diff options
Diffstat (limited to '')
30 files changed, 19015 insertions, 0 deletions
diff --git a/drivers/crypto/caam/Kconfig b/drivers/crypto/caam/Kconfig new file mode 100644 index 000000000..1eb852765 --- /dev/null +++ b/drivers/crypto/caam/Kconfig @@ -0,0 +1,154 @@ +config CRYPTO_DEV_FSL_CAAM + tristate "Freescale CAAM-Multicore driver backend" + depends on FSL_SOC || ARCH_MXC || ARCH_LAYERSCAPE + select SOC_BUS + help + Enables the driver module for Freescale's Cryptographic Accelerator + and Assurance Module (CAAM), also known as the SEC version 4 (SEC4). + This module creates job ring devices, and configures h/w + to operate as a DPAA component automatically, depending + on h/w feature availability. + + To compile this driver as a module, choose M here: the module + will be called caam. + +config CRYPTO_DEV_FSL_CAAM_JR + tristate "Freescale CAAM Job Ring driver backend" + depends on CRYPTO_DEV_FSL_CAAM + default y + help + Enables the driver module for Job Rings which are part of + Freescale's Cryptographic Accelerator + and Assurance Module (CAAM). This module adds a job ring operation + interface. + + To compile this driver as a module, choose M here: the module + will be called caam_jr. + +config CRYPTO_DEV_FSL_CAAM_RINGSIZE + int "Job Ring size" + depends on CRYPTO_DEV_FSL_CAAM_JR + range 2 9 + default "9" + help + Select size of Job Rings as a power of 2, within the + range 2-9 (ring size 4-512). + Examples: + 2 => 4 + 3 => 8 + 4 => 16 + 5 => 32 + 6 => 64 + 7 => 128 + 8 => 256 + 9 => 512 + +config CRYPTO_DEV_FSL_CAAM_INTC + bool "Job Ring interrupt coalescing" + depends on CRYPTO_DEV_FSL_CAAM_JR + help + Enable the Job Ring's interrupt coalescing feature. + + Note: the driver already provides adequate + interrupt coalescing in software. + +config CRYPTO_DEV_FSL_CAAM_INTC_COUNT_THLD + int "Job Ring interrupt coalescing count threshold" + depends on CRYPTO_DEV_FSL_CAAM_INTC + range 1 255 + default 255 + help + Select number of descriptor completions to queue before + raising an interrupt, in the range 1-255. Note that a selection + of 1 functionally defeats the coalescing feature, and a selection + equal or greater than the job ring size will force timeouts. + +config CRYPTO_DEV_FSL_CAAM_INTC_TIME_THLD + int "Job Ring interrupt coalescing timer threshold" + depends on CRYPTO_DEV_FSL_CAAM_INTC + range 1 65535 + default 2048 + help + Select number of bus clocks/64 to timeout in the case that one or + more descriptor completions are queued without reaching the count + threshold. Range is 1-65535. + +config CRYPTO_DEV_FSL_CAAM_CRYPTO_API + tristate "Register algorithm implementations with the Crypto API" + depends on CRYPTO_DEV_FSL_CAAM_JR + default y + select CRYPTO_AEAD + select CRYPTO_AUTHENC + select CRYPTO_BLKCIPHER + help + Selecting this will offload crypto for users of the + scatterlist crypto API (such as the linux native IPSec + stack) to the SEC4 via job ring. + + To compile this as a module, choose M here: the module + will be called caamalg. + +config CRYPTO_DEV_FSL_CAAM_CRYPTO_API_QI + tristate "Queue Interface as Crypto API backend" + depends on CRYPTO_DEV_FSL_CAAM_JR && FSL_DPAA && NET + default y + select CRYPTO_AUTHENC + select CRYPTO_BLKCIPHER + help + Selecting this will use CAAM Queue Interface (QI) for sending + & receiving crypto jobs to/from CAAM. This gives better performance + than job ring interface when the number of cores are more than the + number of job rings assigned to the kernel. The number of portals + assigned to the kernel should also be more than the number of + job rings. + + To compile this as a module, choose M here: the module + will be called caamalg_qi. + +config CRYPTO_DEV_FSL_CAAM_AHASH_API + tristate "Register hash algorithm implementations with Crypto API" + depends on CRYPTO_DEV_FSL_CAAM_JR + default y + select CRYPTO_HASH + help + Selecting this will offload ahash for users of the + scatterlist crypto API to the SEC4 via job ring. + + To compile this as a module, choose M here: the module + will be called caamhash. + +config CRYPTO_DEV_FSL_CAAM_PKC_API + tristate "Register public key cryptography implementations with Crypto API" + depends on CRYPTO_DEV_FSL_CAAM_JR + default y + select CRYPTO_RSA + help + Selecting this will allow SEC Public key support for RSA. + Supported cryptographic primitives: encryption, decryption, + signature and verification. + To compile this as a module, choose M here: the module + will be called caam_pkc. + +config CRYPTO_DEV_FSL_CAAM_RNG_API + tristate "Register caam device for hwrng API" + depends on CRYPTO_DEV_FSL_CAAM_JR + default y + select CRYPTO_RNG + select HW_RANDOM + help + Selecting this will register the SEC4 hardware rng to + the hw_random API for suppying the kernel entropy pool. + + To compile this as a module, choose M here: the module + will be called caamrng. + +config CRYPTO_DEV_FSL_CAAM_DEBUG + bool "Enable debug output in CAAM driver" + depends on CRYPTO_DEV_FSL_CAAM + help + Selecting this will enable printing of various debug + information in the CAAM driver. + +config CRYPTO_DEV_FSL_CAAM_CRYPTO_API_DESC + def_tristate (CRYPTO_DEV_FSL_CAAM_CRYPTO_API || \ + CRYPTO_DEV_FSL_CAAM_CRYPTO_API_QI) diff --git a/drivers/crypto/caam/Makefile b/drivers/crypto/caam/Makefile new file mode 100644 index 000000000..cb652ee7d --- /dev/null +++ b/drivers/crypto/caam/Makefile @@ -0,0 +1,24 @@ +# SPDX-License-Identifier: GPL-2.0 +# +# Makefile for the CAAM backend and dependent components +# +ifeq ($(CONFIG_CRYPTO_DEV_FSL_CAAM_DEBUG), y) + ccflags-y := -DDEBUG +endif + +obj-$(CONFIG_CRYPTO_DEV_FSL_CAAM) += caam.o +obj-$(CONFIG_CRYPTO_DEV_FSL_CAAM_JR) += caam_jr.o +obj-$(CONFIG_CRYPTO_DEV_FSL_CAAM_CRYPTO_API) += caamalg.o +obj-$(CONFIG_CRYPTO_DEV_FSL_CAAM_CRYPTO_API_QI) += caamalg_qi.o +obj-$(CONFIG_CRYPTO_DEV_FSL_CAAM_CRYPTO_API_DESC) += caamalg_desc.o +obj-$(CONFIG_CRYPTO_DEV_FSL_CAAM_AHASH_API) += caamhash.o +obj-$(CONFIG_CRYPTO_DEV_FSL_CAAM_RNG_API) += caamrng.o +obj-$(CONFIG_CRYPTO_DEV_FSL_CAAM_PKC_API) += caam_pkc.o + +caam-objs := ctrl.o +caam_jr-objs := jr.o key_gen.o error.o +caam_pkc-y := caampkc.o pkc_desc.o +ifneq ($(CONFIG_CRYPTO_DEV_FSL_CAAM_CRYPTO_API_QI),) + ccflags-y += -DCONFIG_CAAM_QI + caam-objs += qi.o +endif diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c new file mode 100644 index 000000000..1907945f8 --- /dev/null +++ b/drivers/crypto/caam/caamalg.c @@ -0,0 +1,3565 @@ +/* + * caam - Freescale FSL CAAM support for crypto API + * + * Copyright 2008-2011 Freescale Semiconductor, Inc. + * Copyright 2016 NXP + * + * Based on talitos crypto API driver. + * + * relationship of job descriptors to shared descriptors (SteveC Dec 10 2008): + * + * --------------- --------------- + * | JobDesc #1 |-------------------->| ShareDesc | + * | *(packet 1) | | (PDB) | + * --------------- |------------->| (hashKey) | + * . | | (cipherKey) | + * . | |-------->| (operation) | + * --------------- | | --------------- + * | JobDesc #2 |------| | + * | *(packet 2) | | + * --------------- | + * . | + * . | + * --------------- | + * | JobDesc #3 |------------ + * | *(packet 3) | + * --------------- + * + * The SharedDesc never changes for a connection unless rekeyed, but + * each packet will likely be in a different place. So all we need + * to know to process the packet is where the input is, where the + * output goes, and what context we want to process with. Context is + * in the SharedDesc, packet references in the JobDesc. + * + * So, a job desc looks like: + * + * --------------------- + * | Header | + * | ShareDesc Pointer | + * | SEQ_OUT_PTR | + * | (output buffer) | + * | (output length) | + * | SEQ_IN_PTR | + * | (input buffer) | + * | (input length) | + * --------------------- + */ + +#include "compat.h" + +#include "regs.h" +#include "intern.h" +#include "desc_constr.h" +#include "jr.h" +#include "error.h" +#include "sg_sw_sec4.h" +#include "key_gen.h" +#include "caamalg_desc.h" + +/* + * crypto alg + */ +#define CAAM_CRA_PRIORITY 3000 +/* max key is sum of AES_MAX_KEY_SIZE, max split key size */ +#define CAAM_MAX_KEY_SIZE (AES_MAX_KEY_SIZE + \ + CTR_RFC3686_NONCE_SIZE + \ + SHA512_DIGEST_SIZE * 2) + +#define AEAD_DESC_JOB_IO_LEN (DESC_JOB_IO_LEN + CAAM_CMD_SZ * 2) +#define GCM_DESC_JOB_IO_LEN (AEAD_DESC_JOB_IO_LEN + \ + CAAM_CMD_SZ * 4) +#define AUTHENC_DESC_JOB_IO_LEN (AEAD_DESC_JOB_IO_LEN + \ + CAAM_CMD_SZ * 5) + +#define DESC_MAX_USED_BYTES (CAAM_DESC_BYTES_MAX - DESC_JOB_IO_LEN) +#define DESC_MAX_USED_LEN (DESC_MAX_USED_BYTES / CAAM_CMD_SZ) + +#ifdef DEBUG +/* for print_hex_dumps with line references */ +#define debug(format, arg...) printk(format, arg) +#else +#define debug(format, arg...) +#endif + +static struct list_head alg_list; + +struct caam_alg_entry { + int class1_alg_type; + int class2_alg_type; + bool rfc3686; + bool geniv; +}; + +struct caam_aead_alg { + struct aead_alg aead; + struct caam_alg_entry caam; + bool registered; +}; + +/* + * per-session context + */ +struct caam_ctx { + u32 sh_desc_enc[DESC_MAX_USED_LEN]; + u32 sh_desc_dec[DESC_MAX_USED_LEN]; + u32 sh_desc_givenc[DESC_MAX_USED_LEN]; + u8 key[CAAM_MAX_KEY_SIZE]; + dma_addr_t sh_desc_enc_dma; + dma_addr_t sh_desc_dec_dma; + dma_addr_t sh_desc_givenc_dma; + dma_addr_t key_dma; + enum dma_data_direction dir; + struct device *jrdev; + struct alginfo adata; + struct alginfo cdata; + unsigned int authsize; +}; + +static int aead_null_set_sh_desc(struct crypto_aead *aead) +{ + struct caam_ctx *ctx = crypto_aead_ctx(aead); + struct device *jrdev = ctx->jrdev; + struct caam_drv_private *ctrlpriv = dev_get_drvdata(jrdev->parent); + u32 *desc; + int rem_bytes = CAAM_DESC_BYTES_MAX - AEAD_DESC_JOB_IO_LEN - + ctx->adata.keylen_pad; + + /* + * Job Descriptor and Shared Descriptors + * must all fit into the 64-word Descriptor h/w Buffer + */ + if (rem_bytes >= DESC_AEAD_NULL_ENC_LEN) { + ctx->adata.key_inline = true; + ctx->adata.key_virt = ctx->key; + } else { + ctx->adata.key_inline = false; + ctx->adata.key_dma = ctx->key_dma; + } + + /* aead_encrypt shared descriptor */ + desc = ctx->sh_desc_enc; + cnstr_shdsc_aead_null_encap(desc, &ctx->adata, ctx->authsize, + ctrlpriv->era); + dma_sync_single_for_device(jrdev, ctx->sh_desc_enc_dma, + desc_bytes(desc), ctx->dir); + + /* + * Job Descriptor and Shared Descriptors + * must all fit into the 64-word Descriptor h/w Buffer + */ + if (rem_bytes >= DESC_AEAD_NULL_DEC_LEN) { + ctx->adata.key_inline = true; + ctx->adata.key_virt = ctx->key; + } else { + ctx->adata.key_inline = false; + ctx->adata.key_dma = ctx->key_dma; + } + + /* aead_decrypt shared descriptor */ + desc = ctx->sh_desc_dec; + cnstr_shdsc_aead_null_decap(desc, &ctx->adata, ctx->authsize, + ctrlpriv->era); + dma_sync_single_for_device(jrdev, ctx->sh_desc_dec_dma, + desc_bytes(desc), ctx->dir); + + return 0; +} + +static int aead_set_sh_desc(struct crypto_aead *aead) +{ + struct caam_aead_alg *alg = container_of(crypto_aead_alg(aead), + struct caam_aead_alg, aead); + unsigned int ivsize = crypto_aead_ivsize(aead); + struct caam_ctx *ctx = crypto_aead_ctx(aead); + struct device *jrdev = ctx->jrdev; + struct caam_drv_private *ctrlpriv = dev_get_drvdata(jrdev->parent); + u32 ctx1_iv_off = 0; + u32 *desc, *nonce = NULL; + u32 inl_mask; + unsigned int data_len[2]; + const bool ctr_mode = ((ctx->cdata.algtype & OP_ALG_AAI_MASK) == + OP_ALG_AAI_CTR_MOD128); + const bool is_rfc3686 = alg->caam.rfc3686; + + if (!ctx->authsize) + return 0; + + /* NULL encryption / decryption */ + if (!ctx->cdata.keylen) + return aead_null_set_sh_desc(aead); + + /* + * AES-CTR needs to load IV in CONTEXT1 reg + * at an offset of 128bits (16bytes) + * CONTEXT1[255:128] = IV + */ + if (ctr_mode) + ctx1_iv_off = 16; + + /* + * RFC3686 specific: + * CONTEXT1[255:128] = {NONCE, IV, COUNTER} + */ + if (is_rfc3686) { + ctx1_iv_off = 16 + CTR_RFC3686_NONCE_SIZE; + nonce = (u32 *)((void *)ctx->key + ctx->adata.keylen_pad + + ctx->cdata.keylen - CTR_RFC3686_NONCE_SIZE); + } + + data_len[0] = ctx->adata.keylen_pad; + data_len[1] = ctx->cdata.keylen; + + if (alg->caam.geniv) + goto skip_enc; + + /* + * Job Descriptor and Shared Descriptors + * must all fit into the 64-word Descriptor h/w Buffer + */ + if (desc_inline_query(DESC_AEAD_ENC_LEN + + (is_rfc3686 ? DESC_AEAD_CTR_RFC3686_LEN : 0), + AUTHENC_DESC_JOB_IO_LEN, data_len, &inl_mask, + ARRAY_SIZE(data_len)) < 0) + return -EINVAL; + + if (inl_mask & 1) + ctx->adata.key_virt = ctx->key; + else + ctx->adata.key_dma = ctx->key_dma; + + if (inl_mask & 2) + ctx->cdata.key_virt = ctx->key + ctx->adata.keylen_pad; + else + ctx->cdata.key_dma = ctx->key_dma + ctx->adata.keylen_pad; + + ctx->adata.key_inline = !!(inl_mask & 1); + ctx->cdata.key_inline = !!(inl_mask & 2); + + /* aead_encrypt shared descriptor */ + desc = ctx->sh_desc_enc; + cnstr_shdsc_aead_encap(desc, &ctx->cdata, &ctx->adata, ivsize, + ctx->authsize, is_rfc3686, nonce, ctx1_iv_off, + false, ctrlpriv->era); + dma_sync_single_for_device(jrdev, ctx->sh_desc_enc_dma, + desc_bytes(desc), ctx->dir); + +skip_enc: + /* + * Job Descriptor and Shared Descriptors + * must all fit into the 64-word Descriptor h/w Buffer + */ + if (desc_inline_query(DESC_AEAD_DEC_LEN + + (is_rfc3686 ? DESC_AEAD_CTR_RFC3686_LEN : 0), + AUTHENC_DESC_JOB_IO_LEN, data_len, &inl_mask, + ARRAY_SIZE(data_len)) < 0) + return -EINVAL; + + if (inl_mask & 1) + ctx->adata.key_virt = ctx->key; + else + ctx->adata.key_dma = ctx->key_dma; + + if (inl_mask & 2) + ctx->cdata.key_virt = ctx->key + ctx->adata.keylen_pad; + else + ctx->cdata.key_dma = ctx->key_dma + ctx->adata.keylen_pad; + + ctx->adata.key_inline = !!(inl_mask & 1); + ctx->cdata.key_inline = !!(inl_mask & 2); + + /* aead_decrypt shared descriptor */ + desc = ctx->sh_desc_dec; + cnstr_shdsc_aead_decap(desc, &ctx->cdata, &ctx->adata, ivsize, + ctx->authsize, alg->caam.geniv, is_rfc3686, + nonce, ctx1_iv_off, false, ctrlpriv->era); + dma_sync_single_for_device(jrdev, ctx->sh_desc_dec_dma, + desc_bytes(desc), ctx->dir); + + if (!alg->caam.geniv) + goto skip_givenc; + + /* + * Job Descriptor and Shared Descriptors + * must all fit into the 64-word Descriptor h/w Buffer + */ + if (desc_inline_query(DESC_AEAD_GIVENC_LEN + + (is_rfc3686 ? DESC_AEAD_CTR_RFC3686_LEN : 0), + AUTHENC_DESC_JOB_IO_LEN, data_len, &inl_mask, + ARRAY_SIZE(data_len)) < 0) + return -EINVAL; + + if (inl_mask & 1) + ctx->adata.key_virt = ctx->key; + else + ctx->adata.key_dma = ctx->key_dma; + + if (inl_mask & 2) + ctx->cdata.key_virt = ctx->key + ctx->adata.keylen_pad; + else + ctx->cdata.key_dma = ctx->key_dma + ctx->adata.keylen_pad; + + ctx->adata.key_inline = !!(inl_mask & 1); + ctx->cdata.key_inline = !!(inl_mask & 2); + + /* aead_givencrypt shared descriptor */ + desc = ctx->sh_desc_enc; + cnstr_shdsc_aead_givencap(desc, &ctx->cdata, &ctx->adata, ivsize, + ctx->authsize, is_rfc3686, nonce, + ctx1_iv_off, false, ctrlpriv->era); + dma_sync_single_for_device(jrdev, ctx->sh_desc_enc_dma, + desc_bytes(desc), ctx->dir); + +skip_givenc: + return 0; +} + +static int aead_setauthsize(struct crypto_aead *authenc, + unsigned int authsize) +{ + struct caam_ctx *ctx = crypto_aead_ctx(authenc); + + ctx->authsize = authsize; + aead_set_sh_desc(authenc); + + return 0; +} + +static int gcm_set_sh_desc(struct crypto_aead *aead) +{ + struct caam_ctx *ctx = crypto_aead_ctx(aead); + struct device *jrdev = ctx->jrdev; + unsigned int ivsize = crypto_aead_ivsize(aead); + u32 *desc; + int rem_bytes = CAAM_DESC_BYTES_MAX - GCM_DESC_JOB_IO_LEN - + ctx->cdata.keylen; + + if (!ctx->cdata.keylen || !ctx->authsize) + return 0; + + /* + * AES GCM encrypt shared descriptor + * Job Descriptor and Shared Descriptor + * must fit into the 64-word Descriptor h/w Buffer + */ + if (rem_bytes >= DESC_GCM_ENC_LEN) { + ctx->cdata.key_inline = true; + ctx->cdata.key_virt = ctx->key; + } else { + ctx->cdata.key_inline = false; + ctx->cdata.key_dma = ctx->key_dma; + } + + desc = ctx->sh_desc_enc; + cnstr_shdsc_gcm_encap(desc, &ctx->cdata, ivsize, ctx->authsize, false); + dma_sync_single_for_device(jrdev, ctx->sh_desc_enc_dma, + desc_bytes(desc), ctx->dir); + + /* + * Job Descriptor and Shared Descriptors + * must all fit into the 64-word Descriptor h/w Buffer + */ + if (rem_bytes >= DESC_GCM_DEC_LEN) { + ctx->cdata.key_inline = true; + ctx->cdata.key_virt = ctx->key; + } else { + ctx->cdata.key_inline = false; + ctx->cdata.key_dma = ctx->key_dma; + } + + desc = ctx->sh_desc_dec; + cnstr_shdsc_gcm_decap(desc, &ctx->cdata, ivsize, ctx->authsize, false); + dma_sync_single_for_device(jrdev, ctx->sh_desc_dec_dma, + desc_bytes(desc), ctx->dir); + + return 0; +} + +static int gcm_setauthsize(struct crypto_aead *authenc, unsigned int authsize) +{ + struct caam_ctx *ctx = crypto_aead_ctx(authenc); + + ctx->authsize = authsize; + gcm_set_sh_desc(authenc); + + return 0; +} + +static int rfc4106_set_sh_desc(struct crypto_aead *aead) +{ + struct caam_ctx *ctx = crypto_aead_ctx(aead); + struct device *jrdev = ctx->jrdev; + unsigned int ivsize = crypto_aead_ivsize(aead); + u32 *desc; + int rem_bytes = CAAM_DESC_BYTES_MAX - GCM_DESC_JOB_IO_LEN - + ctx->cdata.keylen; + + if (!ctx->cdata.keylen || !ctx->authsize) + return 0; + + /* + * RFC4106 encrypt shared descriptor + * Job Descriptor and Shared Descriptor + * must fit into the 64-word Descriptor h/w Buffer + */ + if (rem_bytes >= DESC_RFC4106_ENC_LEN) { + ctx->cdata.key_inline = true; + ctx->cdata.key_virt = ctx->key; + } else { + ctx->cdata.key_inline = false; + ctx->cdata.key_dma = ctx->key_dma; + } + + desc = ctx->sh_desc_enc; + cnstr_shdsc_rfc4106_encap(desc, &ctx->cdata, ivsize, ctx->authsize, + false); + dma_sync_single_for_device(jrdev, ctx->sh_desc_enc_dma, + desc_bytes(desc), ctx->dir); + + /* + * Job Descriptor and Shared Descriptors + * must all fit into the 64-word Descriptor h/w Buffer + */ + if (rem_bytes >= DESC_RFC4106_DEC_LEN) { + ctx->cdata.key_inline = true; + ctx->cdata.key_virt = ctx->key; + } else { + ctx->cdata.key_inline = false; + ctx->cdata.key_dma = ctx->key_dma; + } + + desc = ctx->sh_desc_dec; + cnstr_shdsc_rfc4106_decap(desc, &ctx->cdata, ivsize, ctx->authsize, + false); + dma_sync_single_for_device(jrdev, ctx->sh_desc_dec_dma, + desc_bytes(desc), ctx->dir); + + return 0; +} + +static int rfc4106_setauthsize(struct crypto_aead *authenc, + unsigned int authsize) +{ + struct caam_ctx *ctx = crypto_aead_ctx(authenc); + + ctx->authsize = authsize; + rfc4106_set_sh_desc(authenc); + + return 0; +} + +static int rfc4543_set_sh_desc(struct crypto_aead *aead) +{ + struct caam_ctx *ctx = crypto_aead_ctx(aead); + struct device *jrdev = ctx->jrdev; + unsigned int ivsize = crypto_aead_ivsize(aead); + u32 *desc; + int rem_bytes = CAAM_DESC_BYTES_MAX - GCM_DESC_JOB_IO_LEN - + ctx->cdata.keylen; + + if (!ctx->cdata.keylen || !ctx->authsize) + return 0; + + /* + * RFC4543 encrypt shared descriptor + * Job Descriptor and Shared Descriptor + * must fit into the 64-word Descriptor h/w Buffer + */ + if (rem_bytes >= DESC_RFC4543_ENC_LEN) { + ctx->cdata.key_inline = true; + ctx->cdata.key_virt = ctx->key; + } else { + ctx->cdata.key_inline = false; + ctx->cdata.key_dma = ctx->key_dma; + } + + desc = ctx->sh_desc_enc; + cnstr_shdsc_rfc4543_encap(desc, &ctx->cdata, ivsize, ctx->authsize, + false); + dma_sync_single_for_device(jrdev, ctx->sh_desc_enc_dma, + desc_bytes(desc), ctx->dir); + + /* + * Job Descriptor and Shared Descriptors + * must all fit into the 64-word Descriptor h/w Buffer + */ + if (rem_bytes >= DESC_RFC4543_DEC_LEN) { + ctx->cdata.key_inline = true; + ctx->cdata.key_virt = ctx->key; + } else { + ctx->cdata.key_inline = false; + ctx->cdata.key_dma = ctx->key_dma; + } + + desc = ctx->sh_desc_dec; + cnstr_shdsc_rfc4543_decap(desc, &ctx->cdata, ivsize, ctx->authsize, + false); + dma_sync_single_for_device(jrdev, ctx->sh_desc_dec_dma, + desc_bytes(desc), ctx->dir); + + return 0; +} + +static int rfc4543_setauthsize(struct crypto_aead *authenc, + unsigned int authsize) +{ + struct caam_ctx *ctx = crypto_aead_ctx(authenc); + + ctx->authsize = authsize; + rfc4543_set_sh_desc(authenc); + + return 0; +} + +static int aead_setkey(struct crypto_aead *aead, + const u8 *key, unsigned int keylen) +{ + struct caam_ctx *ctx = crypto_aead_ctx(aead); + struct device *jrdev = ctx->jrdev; + struct caam_drv_private *ctrlpriv = dev_get_drvdata(jrdev->parent); + struct crypto_authenc_keys keys; + int ret = 0; + + if (crypto_authenc_extractkeys(&keys, key, keylen) != 0) + goto badkey; + +#ifdef DEBUG + printk(KERN_ERR "keylen %d enckeylen %d authkeylen %d\n", + keys.authkeylen + keys.enckeylen, keys.enckeylen, + keys.authkeylen); + print_hex_dump(KERN_ERR, "key in @"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1); +#endif + + /* + * If DKP is supported, use it in the shared descriptor to generate + * the split key. + */ + if (ctrlpriv->era >= 6) { + ctx->adata.keylen = keys.authkeylen; + ctx->adata.keylen_pad = split_key_len(ctx->adata.algtype & + OP_ALG_ALGSEL_MASK); + + if (ctx->adata.keylen_pad + keys.enckeylen > CAAM_MAX_KEY_SIZE) + goto badkey; + + memcpy(ctx->key, keys.authkey, keys.authkeylen); + memcpy(ctx->key + ctx->adata.keylen_pad, keys.enckey, + keys.enckeylen); + dma_sync_single_for_device(jrdev, ctx->key_dma, + ctx->adata.keylen_pad + + keys.enckeylen, ctx->dir); + goto skip_split_key; + } + + ret = gen_split_key(ctx->jrdev, ctx->key, &ctx->adata, keys.authkey, + keys.authkeylen, CAAM_MAX_KEY_SIZE - + keys.enckeylen); + if (ret) { + goto badkey; + } + + /* postpend encryption key to auth split key */ + memcpy(ctx->key + ctx->adata.keylen_pad, keys.enckey, keys.enckeylen); + dma_sync_single_for_device(jrdev, ctx->key_dma, ctx->adata.keylen_pad + + keys.enckeylen, ctx->dir); +#ifdef DEBUG + print_hex_dump(KERN_ERR, "ctx.key@"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, ctx->key, + ctx->adata.keylen_pad + keys.enckeylen, 1); +#endif + +skip_split_key: + ctx->cdata.keylen = keys.enckeylen; + memzero_explicit(&keys, sizeof(keys)); + return aead_set_sh_desc(aead); +badkey: + crypto_aead_set_flags(aead, CRYPTO_TFM_RES_BAD_KEY_LEN); + memzero_explicit(&keys, sizeof(keys)); + return -EINVAL; +} + +static int gcm_setkey(struct crypto_aead *aead, + const u8 *key, unsigned int keylen) +{ + struct caam_ctx *ctx = crypto_aead_ctx(aead); + struct device *jrdev = ctx->jrdev; + +#ifdef DEBUG + print_hex_dump(KERN_ERR, "key in @"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1); +#endif + + memcpy(ctx->key, key, keylen); + dma_sync_single_for_device(jrdev, ctx->key_dma, keylen, ctx->dir); + ctx->cdata.keylen = keylen; + + return gcm_set_sh_desc(aead); +} + +static int rfc4106_setkey(struct crypto_aead *aead, + const u8 *key, unsigned int keylen) +{ + struct caam_ctx *ctx = crypto_aead_ctx(aead); + struct device *jrdev = ctx->jrdev; + + if (keylen < 4) + return -EINVAL; + +#ifdef DEBUG + print_hex_dump(KERN_ERR, "key in @"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1); +#endif + + memcpy(ctx->key, key, keylen); + + /* + * The last four bytes of the key material are used as the salt value + * in the nonce. Update the AES key length. + */ + ctx->cdata.keylen = keylen - 4; + dma_sync_single_for_device(jrdev, ctx->key_dma, ctx->cdata.keylen, + ctx->dir); + return rfc4106_set_sh_desc(aead); +} + +static int rfc4543_setkey(struct crypto_aead *aead, + const u8 *key, unsigned int keylen) +{ + struct caam_ctx *ctx = crypto_aead_ctx(aead); + struct device *jrdev = ctx->jrdev; + + if (keylen < 4) + return -EINVAL; + +#ifdef DEBUG + print_hex_dump(KERN_ERR, "key in @"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1); +#endif + + memcpy(ctx->key, key, keylen); + + /* + * The last four bytes of the key material are used as the salt value + * in the nonce. Update the AES key length. + */ + ctx->cdata.keylen = keylen - 4; + dma_sync_single_for_device(jrdev, ctx->key_dma, ctx->cdata.keylen, + ctx->dir); + return rfc4543_set_sh_desc(aead); +} + +static int ablkcipher_setkey(struct crypto_ablkcipher *ablkcipher, + const u8 *key, unsigned int keylen) +{ + struct caam_ctx *ctx = crypto_ablkcipher_ctx(ablkcipher); + struct crypto_tfm *tfm = crypto_ablkcipher_tfm(ablkcipher); + const char *alg_name = crypto_tfm_alg_name(tfm); + struct device *jrdev = ctx->jrdev; + unsigned int ivsize = crypto_ablkcipher_ivsize(ablkcipher); + u32 *desc; + u32 ctx1_iv_off = 0; + const bool ctr_mode = ((ctx->cdata.algtype & OP_ALG_AAI_MASK) == + OP_ALG_AAI_CTR_MOD128); + const bool is_rfc3686 = (ctr_mode && + (strstr(alg_name, "rfc3686") != NULL)); + +#ifdef DEBUG + print_hex_dump(KERN_ERR, "key in @"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1); +#endif + /* + * AES-CTR needs to load IV in CONTEXT1 reg + * at an offset of 128bits (16bytes) + * CONTEXT1[255:128] = IV + */ + if (ctr_mode) + ctx1_iv_off = 16; + + /* + * RFC3686 specific: + * | CONTEXT1[255:128] = {NONCE, IV, COUNTER} + * | *key = {KEY, NONCE} + */ + if (is_rfc3686) { + ctx1_iv_off = 16 + CTR_RFC3686_NONCE_SIZE; + keylen -= CTR_RFC3686_NONCE_SIZE; + } + + ctx->cdata.keylen = keylen; + ctx->cdata.key_virt = key; + ctx->cdata.key_inline = true; + + /* ablkcipher_encrypt shared descriptor */ + desc = ctx->sh_desc_enc; + cnstr_shdsc_ablkcipher_encap(desc, &ctx->cdata, ivsize, is_rfc3686, + ctx1_iv_off); + dma_sync_single_for_device(jrdev, ctx->sh_desc_enc_dma, + desc_bytes(desc), ctx->dir); + + /* ablkcipher_decrypt shared descriptor */ + desc = ctx->sh_desc_dec; + cnstr_shdsc_ablkcipher_decap(desc, &ctx->cdata, ivsize, is_rfc3686, + ctx1_iv_off); + dma_sync_single_for_device(jrdev, ctx->sh_desc_dec_dma, + desc_bytes(desc), ctx->dir); + + /* ablkcipher_givencrypt shared descriptor */ + desc = ctx->sh_desc_givenc; + cnstr_shdsc_ablkcipher_givencap(desc, &ctx->cdata, ivsize, is_rfc3686, + ctx1_iv_off); + dma_sync_single_for_device(jrdev, ctx->sh_desc_givenc_dma, + desc_bytes(desc), ctx->dir); + + return 0; +} + +static int xts_ablkcipher_setkey(struct crypto_ablkcipher *ablkcipher, + const u8 *key, unsigned int keylen) +{ + struct caam_ctx *ctx = crypto_ablkcipher_ctx(ablkcipher); + struct device *jrdev = ctx->jrdev; + u32 *desc; + + if (keylen != 2 * AES_MIN_KEY_SIZE && keylen != 2 * AES_MAX_KEY_SIZE) { + crypto_ablkcipher_set_flags(ablkcipher, + CRYPTO_TFM_RES_BAD_KEY_LEN); + dev_err(jrdev, "key size mismatch\n"); + return -EINVAL; + } + + ctx->cdata.keylen = keylen; + ctx->cdata.key_virt = key; + ctx->cdata.key_inline = true; + + /* xts_ablkcipher_encrypt shared descriptor */ + desc = ctx->sh_desc_enc; + cnstr_shdsc_xts_ablkcipher_encap(desc, &ctx->cdata); + dma_sync_single_for_device(jrdev, ctx->sh_desc_enc_dma, + desc_bytes(desc), ctx->dir); + + /* xts_ablkcipher_decrypt shared descriptor */ + desc = ctx->sh_desc_dec; + cnstr_shdsc_xts_ablkcipher_decap(desc, &ctx->cdata); + dma_sync_single_for_device(jrdev, ctx->sh_desc_dec_dma, + desc_bytes(desc), ctx->dir); + + return 0; +} + +/* + * aead_edesc - s/w-extended aead descriptor + * @src_nents: number of segments in input s/w scatterlist + * @dst_nents: number of segments in output s/w scatterlist + * @sec4_sg_bytes: length of dma mapped sec4_sg space + * @sec4_sg_dma: bus physical mapped address of h/w link table + * @sec4_sg: pointer to h/w link table + * @hw_desc: the h/w job descriptor followed by any referenced link tables + */ +struct aead_edesc { + int src_nents; + int dst_nents; + int sec4_sg_bytes; + dma_addr_t sec4_sg_dma; + struct sec4_sg_entry *sec4_sg; + u32 hw_desc[]; +}; + +/* + * ablkcipher_edesc - s/w-extended ablkcipher descriptor + * @src_nents: number of segments in input s/w scatterlist + * @dst_nents: number of segments in output s/w scatterlist + * @iv_dma: dma address of iv for checking continuity and link table + * @iv_dir: DMA mapping direction for IV + * @sec4_sg_bytes: length of dma mapped sec4_sg space + * @sec4_sg_dma: bus physical mapped address of h/w link table + * @sec4_sg: pointer to h/w link table + * @hw_desc: the h/w job descriptor followed by any referenced link tables + * and IV + */ +struct ablkcipher_edesc { + int src_nents; + int dst_nents; + dma_addr_t iv_dma; + enum dma_data_direction iv_dir; + int sec4_sg_bytes; + dma_addr_t sec4_sg_dma; + struct sec4_sg_entry *sec4_sg; + u32 hw_desc[0]; +}; + +static void caam_unmap(struct device *dev, struct scatterlist *src, + struct scatterlist *dst, int src_nents, + int dst_nents, + dma_addr_t iv_dma, int ivsize, + enum dma_data_direction iv_dir, dma_addr_t sec4_sg_dma, + int sec4_sg_bytes) +{ + if (dst != src) { + if (src_nents) + dma_unmap_sg(dev, src, src_nents, DMA_TO_DEVICE); + dma_unmap_sg(dev, dst, dst_nents, DMA_FROM_DEVICE); + } else { + dma_unmap_sg(dev, src, src_nents, DMA_BIDIRECTIONAL); + } + + if (iv_dma) + dma_unmap_single(dev, iv_dma, ivsize, iv_dir); + if (sec4_sg_bytes) + dma_unmap_single(dev, sec4_sg_dma, sec4_sg_bytes, + DMA_TO_DEVICE); +} + +static void aead_unmap(struct device *dev, + struct aead_edesc *edesc, + struct aead_request *req) +{ + caam_unmap(dev, req->src, req->dst, + edesc->src_nents, edesc->dst_nents, 0, 0, DMA_NONE, + edesc->sec4_sg_dma, edesc->sec4_sg_bytes); +} + +static void ablkcipher_unmap(struct device *dev, + struct ablkcipher_edesc *edesc, + struct ablkcipher_request *req) +{ + struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req); + int ivsize = crypto_ablkcipher_ivsize(ablkcipher); + + caam_unmap(dev, req->src, req->dst, + edesc->src_nents, edesc->dst_nents, + edesc->iv_dma, ivsize, edesc->iv_dir, + edesc->sec4_sg_dma, edesc->sec4_sg_bytes); +} + +static void aead_encrypt_done(struct device *jrdev, u32 *desc, u32 err, + void *context) +{ + struct aead_request *req = context; + struct aead_edesc *edesc; + +#ifdef DEBUG + dev_err(jrdev, "%s %d: err 0x%x\n", __func__, __LINE__, err); +#endif + + edesc = container_of(desc, struct aead_edesc, hw_desc[0]); + + if (err) + caam_jr_strstatus(jrdev, err); + + aead_unmap(jrdev, edesc, req); + + kfree(edesc); + + aead_request_complete(req, err); +} + +static void aead_decrypt_done(struct device *jrdev, u32 *desc, u32 err, + void *context) +{ + struct aead_request *req = context; + struct aead_edesc *edesc; + +#ifdef DEBUG + dev_err(jrdev, "%s %d: err 0x%x\n", __func__, __LINE__, err); +#endif + + edesc = container_of(desc, struct aead_edesc, hw_desc[0]); + + if (err) + caam_jr_strstatus(jrdev, err); + + aead_unmap(jrdev, edesc, req); + + /* + * verify hw auth check passed else return -EBADMSG + */ + if ((err & JRSTA_CCBERR_ERRID_MASK) == JRSTA_CCBERR_ERRID_ICVCHK) + err = -EBADMSG; + + kfree(edesc); + + aead_request_complete(req, err); +} + +static void ablkcipher_encrypt_done(struct device *jrdev, u32 *desc, u32 err, + void *context) +{ + struct ablkcipher_request *req = context; + struct ablkcipher_edesc *edesc; + struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req); + struct caam_ctx *ctx = crypto_ablkcipher_ctx(ablkcipher); + int ivsize = crypto_ablkcipher_ivsize(ablkcipher); + +#ifdef DEBUG + dev_err(jrdev, "%s %d: err 0x%x\n", __func__, __LINE__, err); +#endif + + edesc = container_of(desc, struct ablkcipher_edesc, hw_desc[0]); + + if (err) + caam_jr_strstatus(jrdev, err); + +#ifdef DEBUG + print_hex_dump(KERN_ERR, "dstiv @"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, req->info, + edesc->src_nents > 1 ? 100 : ivsize, 1); +#endif + caam_dump_sg(KERN_ERR, "dst @" __stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, req->dst, + edesc->dst_nents > 1 ? 100 : req->nbytes, 1); + + ablkcipher_unmap(jrdev, edesc, req); + + /* + * The crypto API expects us to set the IV (req->info) to the last + * ciphertext block when running in CBC mode. + */ + if ((ctx->cdata.algtype & OP_ALG_AAI_MASK) == OP_ALG_AAI_CBC) + scatterwalk_map_and_copy(req->info, req->dst, req->nbytes - + ivsize, ivsize, 0); + + /* In case initial IV was generated, copy it in GIVCIPHER request */ + if (edesc->iv_dir == DMA_FROM_DEVICE) { + u8 *iv; + struct skcipher_givcrypt_request *greq; + + greq = container_of(req, struct skcipher_givcrypt_request, + creq); + iv = (u8 *)edesc->hw_desc + desc_bytes(edesc->hw_desc) + + edesc->sec4_sg_bytes; + memcpy(greq->giv, iv, ivsize); + } + + kfree(edesc); + + ablkcipher_request_complete(req, err); +} + +static void ablkcipher_decrypt_done(struct device *jrdev, u32 *desc, u32 err, + void *context) +{ + struct ablkcipher_request *req = context; + struct ablkcipher_edesc *edesc; +#ifdef DEBUG + struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req); + int ivsize = crypto_ablkcipher_ivsize(ablkcipher); + + dev_err(jrdev, "%s %d: err 0x%x\n", __func__, __LINE__, err); +#endif + + edesc = container_of(desc, struct ablkcipher_edesc, hw_desc[0]); + if (err) + caam_jr_strstatus(jrdev, err); + +#ifdef DEBUG + print_hex_dump(KERN_ERR, "dstiv @"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, req->info, + ivsize, 1); +#endif + caam_dump_sg(KERN_ERR, "dst @" __stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, req->dst, + edesc->dst_nents > 1 ? 100 : req->nbytes, 1); + + ablkcipher_unmap(jrdev, edesc, req); + kfree(edesc); + + ablkcipher_request_complete(req, err); +} + +/* + * Fill in aead job descriptor + */ +static void init_aead_job(struct aead_request *req, + struct aead_edesc *edesc, + bool all_contig, bool encrypt) +{ + struct crypto_aead *aead = crypto_aead_reqtfm(req); + struct caam_ctx *ctx = crypto_aead_ctx(aead); + int authsize = ctx->authsize; + u32 *desc = edesc->hw_desc; + u32 out_options, in_options; + dma_addr_t dst_dma, src_dma; + int len, sec4_sg_index = 0; + dma_addr_t ptr; + u32 *sh_desc; + + sh_desc = encrypt ? ctx->sh_desc_enc : ctx->sh_desc_dec; + ptr = encrypt ? ctx->sh_desc_enc_dma : ctx->sh_desc_dec_dma; + + len = desc_len(sh_desc); + init_job_desc_shared(desc, ptr, len, HDR_SHARE_DEFER | HDR_REVERSE); + + if (all_contig) { + src_dma = edesc->src_nents ? sg_dma_address(req->src) : 0; + in_options = 0; + } else { + src_dma = edesc->sec4_sg_dma; + sec4_sg_index += edesc->src_nents; + in_options = LDST_SGF; + } + + append_seq_in_ptr(desc, src_dma, req->assoclen + req->cryptlen, + in_options); + + dst_dma = src_dma; + out_options = in_options; + + if (unlikely(req->src != req->dst)) { + if (edesc->dst_nents == 1) { + dst_dma = sg_dma_address(req->dst); + out_options = 0; + } else { + dst_dma = edesc->sec4_sg_dma + + sec4_sg_index * + sizeof(struct sec4_sg_entry); + out_options = LDST_SGF; + } + } + + if (encrypt) + append_seq_out_ptr(desc, dst_dma, + req->assoclen + req->cryptlen + authsize, + out_options); + else + append_seq_out_ptr(desc, dst_dma, + req->assoclen + req->cryptlen - authsize, + out_options); +} + +static void init_gcm_job(struct aead_request *req, + struct aead_edesc *edesc, + bool all_contig, bool encrypt) +{ + struct crypto_aead *aead = crypto_aead_reqtfm(req); + struct caam_ctx *ctx = crypto_aead_ctx(aead); + unsigned int ivsize = crypto_aead_ivsize(aead); + u32 *desc = edesc->hw_desc; + bool generic_gcm = (ivsize == GCM_AES_IV_SIZE); + unsigned int last; + + init_aead_job(req, edesc, all_contig, encrypt); + append_math_add_imm_u32(desc, REG3, ZERO, IMM, req->assoclen); + + /* BUG This should not be specific to generic GCM. */ + last = 0; + if (encrypt && generic_gcm && !(req->assoclen + req->cryptlen)) + last = FIFOLD_TYPE_LAST1; + + /* Read GCM IV */ + append_cmd(desc, CMD_FIFO_LOAD | FIFOLD_CLASS_CLASS1 | IMMEDIATE | + FIFOLD_TYPE_IV | FIFOLD_TYPE_FLUSH1 | GCM_AES_IV_SIZE | last); + /* Append Salt */ + if (!generic_gcm) + append_data(desc, ctx->key + ctx->cdata.keylen, 4); + /* Append IV */ + append_data(desc, req->iv, ivsize); + /* End of blank commands */ +} + +static void init_authenc_job(struct aead_request *req, + struct aead_edesc *edesc, + bool all_contig, bool encrypt) +{ + struct crypto_aead *aead = crypto_aead_reqtfm(req); + struct caam_aead_alg *alg = container_of(crypto_aead_alg(aead), + struct caam_aead_alg, aead); + unsigned int ivsize = crypto_aead_ivsize(aead); + struct caam_ctx *ctx = crypto_aead_ctx(aead); + struct caam_drv_private *ctrlpriv = dev_get_drvdata(ctx->jrdev->parent); + const bool ctr_mode = ((ctx->cdata.algtype & OP_ALG_AAI_MASK) == + OP_ALG_AAI_CTR_MOD128); + const bool is_rfc3686 = alg->caam.rfc3686; + u32 *desc = edesc->hw_desc; + u32 ivoffset = 0; + + /* + * AES-CTR needs to load IV in CONTEXT1 reg + * at an offset of 128bits (16bytes) + * CONTEXT1[255:128] = IV + */ + if (ctr_mode) + ivoffset = 16; + + /* + * RFC3686 specific: + * CONTEXT1[255:128] = {NONCE, IV, COUNTER} + */ + if (is_rfc3686) + ivoffset = 16 + CTR_RFC3686_NONCE_SIZE; + + init_aead_job(req, edesc, all_contig, encrypt); + + /* + * {REG3, DPOVRD} = assoclen, depending on whether MATH command supports + * having DPOVRD as destination. + */ + if (ctrlpriv->era < 3) + append_math_add_imm_u32(desc, REG3, ZERO, IMM, req->assoclen); + else + append_math_add_imm_u32(desc, DPOVRD, ZERO, IMM, req->assoclen); + + if (ivsize && ((is_rfc3686 && encrypt) || !alg->caam.geniv)) + append_load_as_imm(desc, req->iv, ivsize, + LDST_CLASS_1_CCB | + LDST_SRCDST_BYTE_CONTEXT | + (ivoffset << LDST_OFFSET_SHIFT)); +} + +/* + * Fill in ablkcipher job descriptor + */ +static void init_ablkcipher_job(u32 *sh_desc, dma_addr_t ptr, + struct ablkcipher_edesc *edesc, + struct ablkcipher_request *req) +{ + struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req); + int ivsize = crypto_ablkcipher_ivsize(ablkcipher); + u32 *desc = edesc->hw_desc; + u32 out_options = 0; + dma_addr_t dst_dma; + int len; + +#ifdef DEBUG + print_hex_dump(KERN_ERR, "presciv@"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, req->info, + ivsize, 1); + pr_err("asked=%d, nbytes%d\n", + (int)edesc->src_nents > 1 ? 100 : req->nbytes, req->nbytes); +#endif + caam_dump_sg(KERN_ERR, "src @" __stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, req->src, + edesc->src_nents > 1 ? 100 : req->nbytes, 1); + + len = desc_len(sh_desc); + init_job_desc_shared(desc, ptr, len, HDR_SHARE_DEFER | HDR_REVERSE); + + append_seq_in_ptr(desc, edesc->sec4_sg_dma, req->nbytes + ivsize, + LDST_SGF); + + if (likely(req->src == req->dst)) { + dst_dma = edesc->sec4_sg_dma + sizeof(struct sec4_sg_entry); + out_options = LDST_SGF; + } else { + if (edesc->dst_nents == 1) { + dst_dma = sg_dma_address(req->dst); + } else { + dst_dma = edesc->sec4_sg_dma + (edesc->src_nents + 1) * + sizeof(struct sec4_sg_entry); + out_options = LDST_SGF; + } + } + append_seq_out_ptr(desc, dst_dma, req->nbytes, out_options); +} + +/* + * Fill in ablkcipher givencrypt job descriptor + */ +static void init_ablkcipher_giv_job(u32 *sh_desc, dma_addr_t ptr, + struct ablkcipher_edesc *edesc, + struct ablkcipher_request *req) +{ + struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req); + int ivsize = crypto_ablkcipher_ivsize(ablkcipher); + u32 *desc = edesc->hw_desc; + u32 in_options; + dma_addr_t dst_dma, src_dma; + int len, sec4_sg_index = 0; + +#ifdef DEBUG + print_hex_dump(KERN_ERR, "presciv@" __stringify(__LINE__) ": ", + DUMP_PREFIX_ADDRESS, 16, 4, req->info, + ivsize, 1); +#endif + caam_dump_sg(KERN_ERR, "src @" __stringify(__LINE__) ": ", + DUMP_PREFIX_ADDRESS, 16, 4, req->src, + edesc->src_nents > 1 ? 100 : req->nbytes, 1); + + len = desc_len(sh_desc); + init_job_desc_shared(desc, ptr, len, HDR_SHARE_DEFER | HDR_REVERSE); + + if (edesc->src_nents == 1) { + src_dma = sg_dma_address(req->src); + in_options = 0; + } else { + src_dma = edesc->sec4_sg_dma; + sec4_sg_index += edesc->src_nents; + in_options = LDST_SGF; + } + append_seq_in_ptr(desc, src_dma, req->nbytes, in_options); + + dst_dma = edesc->sec4_sg_dma + sec4_sg_index * + sizeof(struct sec4_sg_entry); + append_seq_out_ptr(desc, dst_dma, req->nbytes + ivsize, LDST_SGF); +} + +/* + * allocate and map the aead extended descriptor + */ +static struct aead_edesc *aead_edesc_alloc(struct aead_request *req, + int desc_bytes, bool *all_contig_ptr, + bool encrypt) +{ + struct crypto_aead *aead = crypto_aead_reqtfm(req); + struct caam_ctx *ctx = crypto_aead_ctx(aead); + struct device *jrdev = ctx->jrdev; + gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? + GFP_KERNEL : GFP_ATOMIC; + int src_nents, mapped_src_nents, dst_nents = 0, mapped_dst_nents = 0; + struct aead_edesc *edesc; + int sec4_sg_index, sec4_sg_len, sec4_sg_bytes; + unsigned int authsize = ctx->authsize; + + if (unlikely(req->dst != req->src)) { + src_nents = sg_nents_for_len(req->src, req->assoclen + + req->cryptlen); + if (unlikely(src_nents < 0)) { + dev_err(jrdev, "Insufficient bytes (%d) in src S/G\n", + req->assoclen + req->cryptlen); + return ERR_PTR(src_nents); + } + + dst_nents = sg_nents_for_len(req->dst, req->assoclen + + req->cryptlen + + (encrypt ? authsize : + (-authsize))); + if (unlikely(dst_nents < 0)) { + dev_err(jrdev, "Insufficient bytes (%d) in dst S/G\n", + req->assoclen + req->cryptlen + + (encrypt ? authsize : (-authsize))); + return ERR_PTR(dst_nents); + } + } else { + src_nents = sg_nents_for_len(req->src, req->assoclen + + req->cryptlen + + (encrypt ? authsize : 0)); + if (unlikely(src_nents < 0)) { + dev_err(jrdev, "Insufficient bytes (%d) in src S/G\n", + req->assoclen + req->cryptlen + + (encrypt ? authsize : 0)); + return ERR_PTR(src_nents); + } + } + + if (likely(req->src == req->dst)) { + mapped_src_nents = dma_map_sg(jrdev, req->src, src_nents, + DMA_BIDIRECTIONAL); + if (unlikely(!mapped_src_nents)) { + dev_err(jrdev, "unable to map source\n"); + return ERR_PTR(-ENOMEM); + } + } else { + /* Cover also the case of null (zero length) input data */ + if (src_nents) { + mapped_src_nents = dma_map_sg(jrdev, req->src, + src_nents, DMA_TO_DEVICE); + if (unlikely(!mapped_src_nents)) { + dev_err(jrdev, "unable to map source\n"); + return ERR_PTR(-ENOMEM); + } + } else { + mapped_src_nents = 0; + } + + mapped_dst_nents = dma_map_sg(jrdev, req->dst, dst_nents, + DMA_FROM_DEVICE); + if (unlikely(!mapped_dst_nents)) { + dev_err(jrdev, "unable to map destination\n"); + dma_unmap_sg(jrdev, req->src, src_nents, DMA_TO_DEVICE); + return ERR_PTR(-ENOMEM); + } + } + + sec4_sg_len = mapped_src_nents > 1 ? mapped_src_nents : 0; + sec4_sg_len += mapped_dst_nents > 1 ? mapped_dst_nents : 0; + sec4_sg_bytes = sec4_sg_len * sizeof(struct sec4_sg_entry); + + /* allocate space for base edesc and hw desc commands, link tables */ + edesc = kzalloc(sizeof(*edesc) + desc_bytes + sec4_sg_bytes, + GFP_DMA | flags); + if (!edesc) { + caam_unmap(jrdev, req->src, req->dst, src_nents, dst_nents, 0, + 0, DMA_NONE, 0, 0); + return ERR_PTR(-ENOMEM); + } + + edesc->src_nents = src_nents; + edesc->dst_nents = dst_nents; + edesc->sec4_sg = (void *)edesc + sizeof(struct aead_edesc) + + desc_bytes; + *all_contig_ptr = !(mapped_src_nents > 1); + + sec4_sg_index = 0; + if (mapped_src_nents > 1) { + sg_to_sec4_sg_last(req->src, mapped_src_nents, + edesc->sec4_sg + sec4_sg_index, 0); + sec4_sg_index += mapped_src_nents; + } + if (mapped_dst_nents > 1) { + sg_to_sec4_sg_last(req->dst, mapped_dst_nents, + edesc->sec4_sg + sec4_sg_index, 0); + } + + if (!sec4_sg_bytes) + return edesc; + + edesc->sec4_sg_dma = dma_map_single(jrdev, edesc->sec4_sg, + sec4_sg_bytes, DMA_TO_DEVICE); + if (dma_mapping_error(jrdev, edesc->sec4_sg_dma)) { + dev_err(jrdev, "unable to map S/G table\n"); + aead_unmap(jrdev, edesc, req); + kfree(edesc); + return ERR_PTR(-ENOMEM); + } + + edesc->sec4_sg_bytes = sec4_sg_bytes; + + return edesc; +} + +static int gcm_encrypt(struct aead_request *req) +{ + struct aead_edesc *edesc; + struct crypto_aead *aead = crypto_aead_reqtfm(req); + struct caam_ctx *ctx = crypto_aead_ctx(aead); + struct device *jrdev = ctx->jrdev; + bool all_contig; + u32 *desc; + int ret = 0; + + /* allocate extended descriptor */ + edesc = aead_edesc_alloc(req, GCM_DESC_JOB_IO_LEN, &all_contig, true); + if (IS_ERR(edesc)) + return PTR_ERR(edesc); + + /* Create and submit job descriptor */ + init_gcm_job(req, edesc, all_contig, true); +#ifdef DEBUG + print_hex_dump(KERN_ERR, "aead jobdesc@"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, edesc->hw_desc, + desc_bytes(edesc->hw_desc), 1); +#endif + + desc = edesc->hw_desc; + ret = caam_jr_enqueue(jrdev, desc, aead_encrypt_done, req); + if (!ret) { + ret = -EINPROGRESS; + } else { + aead_unmap(jrdev, edesc, req); + kfree(edesc); + } + + return ret; +} + +static int ipsec_gcm_encrypt(struct aead_request *req) +{ + if (req->assoclen < 8) + return -EINVAL; + + return gcm_encrypt(req); +} + +static int aead_encrypt(struct aead_request *req) +{ + struct aead_edesc *edesc; + struct crypto_aead *aead = crypto_aead_reqtfm(req); + struct caam_ctx *ctx = crypto_aead_ctx(aead); + struct device *jrdev = ctx->jrdev; + bool all_contig; + u32 *desc; + int ret = 0; + + /* allocate extended descriptor */ + edesc = aead_edesc_alloc(req, AUTHENC_DESC_JOB_IO_LEN, + &all_contig, true); + if (IS_ERR(edesc)) + return PTR_ERR(edesc); + + /* Create and submit job descriptor */ + init_authenc_job(req, edesc, all_contig, true); +#ifdef DEBUG + print_hex_dump(KERN_ERR, "aead jobdesc@"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, edesc->hw_desc, + desc_bytes(edesc->hw_desc), 1); +#endif + + desc = edesc->hw_desc; + ret = caam_jr_enqueue(jrdev, desc, aead_encrypt_done, req); + if (!ret) { + ret = -EINPROGRESS; + } else { + aead_unmap(jrdev, edesc, req); + kfree(edesc); + } + + return ret; +} + +static int gcm_decrypt(struct aead_request *req) +{ + struct aead_edesc *edesc; + struct crypto_aead *aead = crypto_aead_reqtfm(req); + struct caam_ctx *ctx = crypto_aead_ctx(aead); + struct device *jrdev = ctx->jrdev; + bool all_contig; + u32 *desc; + int ret = 0; + + /* allocate extended descriptor */ + edesc = aead_edesc_alloc(req, GCM_DESC_JOB_IO_LEN, &all_contig, false); + if (IS_ERR(edesc)) + return PTR_ERR(edesc); + + /* Create and submit job descriptor*/ + init_gcm_job(req, edesc, all_contig, false); +#ifdef DEBUG + print_hex_dump(KERN_ERR, "aead jobdesc@"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, edesc->hw_desc, + desc_bytes(edesc->hw_desc), 1); +#endif + + desc = edesc->hw_desc; + ret = caam_jr_enqueue(jrdev, desc, aead_decrypt_done, req); + if (!ret) { + ret = -EINPROGRESS; + } else { + aead_unmap(jrdev, edesc, req); + kfree(edesc); + } + + return ret; +} + +static int ipsec_gcm_decrypt(struct aead_request *req) +{ + if (req->assoclen < 8) + return -EINVAL; + + return gcm_decrypt(req); +} + +static int aead_decrypt(struct aead_request *req) +{ + struct aead_edesc *edesc; + struct crypto_aead *aead = crypto_aead_reqtfm(req); + struct caam_ctx *ctx = crypto_aead_ctx(aead); + struct device *jrdev = ctx->jrdev; + bool all_contig; + u32 *desc; + int ret = 0; + + caam_dump_sg(KERN_ERR, "dec src@" __stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, req->src, + req->assoclen + req->cryptlen, 1); + + /* allocate extended descriptor */ + edesc = aead_edesc_alloc(req, AUTHENC_DESC_JOB_IO_LEN, + &all_contig, false); + if (IS_ERR(edesc)) + return PTR_ERR(edesc); + + /* Create and submit job descriptor*/ + init_authenc_job(req, edesc, all_contig, false); +#ifdef DEBUG + print_hex_dump(KERN_ERR, "aead jobdesc@"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, edesc->hw_desc, + desc_bytes(edesc->hw_desc), 1); +#endif + + desc = edesc->hw_desc; + ret = caam_jr_enqueue(jrdev, desc, aead_decrypt_done, req); + if (!ret) { + ret = -EINPROGRESS; + } else { + aead_unmap(jrdev, edesc, req); + kfree(edesc); + } + + return ret; +} + +/* + * allocate and map the ablkcipher extended descriptor for ablkcipher + */ +static struct ablkcipher_edesc *ablkcipher_edesc_alloc(struct ablkcipher_request + *req, int desc_bytes) +{ + struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req); + struct caam_ctx *ctx = crypto_ablkcipher_ctx(ablkcipher); + struct device *jrdev = ctx->jrdev; + gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? + GFP_KERNEL : GFP_ATOMIC; + int src_nents, mapped_src_nents, dst_nents = 0, mapped_dst_nents = 0; + struct ablkcipher_edesc *edesc; + dma_addr_t iv_dma; + u8 *iv; + int ivsize = crypto_ablkcipher_ivsize(ablkcipher); + int dst_sg_idx, sec4_sg_ents, sec4_sg_bytes; + + src_nents = sg_nents_for_len(req->src, req->nbytes); + if (unlikely(src_nents < 0)) { + dev_err(jrdev, "Insufficient bytes (%d) in src S/G\n", + req->nbytes); + return ERR_PTR(src_nents); + } + + if (req->dst != req->src) { + dst_nents = sg_nents_for_len(req->dst, req->nbytes); + if (unlikely(dst_nents < 0)) { + dev_err(jrdev, "Insufficient bytes (%d) in dst S/G\n", + req->nbytes); + return ERR_PTR(dst_nents); + } + } + + if (likely(req->src == req->dst)) { + mapped_src_nents = dma_map_sg(jrdev, req->src, src_nents, + DMA_BIDIRECTIONAL); + if (unlikely(!mapped_src_nents)) { + dev_err(jrdev, "unable to map source\n"); + return ERR_PTR(-ENOMEM); + } + } else { + mapped_src_nents = dma_map_sg(jrdev, req->src, src_nents, + DMA_TO_DEVICE); + if (unlikely(!mapped_src_nents)) { + dev_err(jrdev, "unable to map source\n"); + return ERR_PTR(-ENOMEM); + } + + mapped_dst_nents = dma_map_sg(jrdev, req->dst, dst_nents, + DMA_FROM_DEVICE); + if (unlikely(!mapped_dst_nents)) { + dev_err(jrdev, "unable to map destination\n"); + dma_unmap_sg(jrdev, req->src, src_nents, DMA_TO_DEVICE); + return ERR_PTR(-ENOMEM); + } + } + + sec4_sg_ents = 1 + mapped_src_nents; + dst_sg_idx = sec4_sg_ents; + sec4_sg_ents += mapped_dst_nents > 1 ? mapped_dst_nents : 0; + sec4_sg_bytes = sec4_sg_ents * sizeof(struct sec4_sg_entry); + + /* + * allocate space for base edesc and hw desc commands, link tables, IV + */ + edesc = kzalloc(sizeof(*edesc) + desc_bytes + sec4_sg_bytes + ivsize, + GFP_DMA | flags); + if (!edesc) { + dev_err(jrdev, "could not allocate extended descriptor\n"); + caam_unmap(jrdev, req->src, req->dst, src_nents, dst_nents, 0, + 0, DMA_NONE, 0, 0); + return ERR_PTR(-ENOMEM); + } + + edesc->src_nents = src_nents; + edesc->dst_nents = dst_nents; + edesc->sec4_sg_bytes = sec4_sg_bytes; + edesc->sec4_sg = (struct sec4_sg_entry *)((u8 *)edesc->hw_desc + + desc_bytes); + edesc->iv_dir = DMA_TO_DEVICE; + + /* Make sure IV is located in a DMAable area */ + iv = (u8 *)edesc->hw_desc + desc_bytes + sec4_sg_bytes; + memcpy(iv, req->info, ivsize); + + iv_dma = dma_map_single(jrdev, iv, ivsize, DMA_TO_DEVICE); + if (dma_mapping_error(jrdev, iv_dma)) { + dev_err(jrdev, "unable to map IV\n"); + caam_unmap(jrdev, req->src, req->dst, src_nents, dst_nents, 0, + 0, DMA_NONE, 0, 0); + kfree(edesc); + return ERR_PTR(-ENOMEM); + } + + dma_to_sec4_sg_one(edesc->sec4_sg, iv_dma, ivsize, 0); + sg_to_sec4_sg_last(req->src, mapped_src_nents, edesc->sec4_sg + 1, 0); + + if (mapped_dst_nents > 1) { + sg_to_sec4_sg_last(req->dst, mapped_dst_nents, + edesc->sec4_sg + dst_sg_idx, 0); + } + + edesc->sec4_sg_dma = dma_map_single(jrdev, edesc->sec4_sg, + sec4_sg_bytes, DMA_TO_DEVICE); + if (dma_mapping_error(jrdev, edesc->sec4_sg_dma)) { + dev_err(jrdev, "unable to map S/G table\n"); + caam_unmap(jrdev, req->src, req->dst, src_nents, dst_nents, + iv_dma, ivsize, DMA_TO_DEVICE, 0, 0); + kfree(edesc); + return ERR_PTR(-ENOMEM); + } + + edesc->iv_dma = iv_dma; + +#ifdef DEBUG + print_hex_dump(KERN_ERR, "ablkcipher sec4_sg@"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, edesc->sec4_sg, + sec4_sg_bytes, 1); +#endif + + return edesc; +} + +static int ablkcipher_encrypt(struct ablkcipher_request *req) +{ + struct ablkcipher_edesc *edesc; + struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req); + struct caam_ctx *ctx = crypto_ablkcipher_ctx(ablkcipher); + struct device *jrdev = ctx->jrdev; + u32 *desc; + int ret = 0; + + /* allocate extended descriptor */ + edesc = ablkcipher_edesc_alloc(req, DESC_JOB_IO_LEN * CAAM_CMD_SZ); + if (IS_ERR(edesc)) + return PTR_ERR(edesc); + + /* Create and submit job descriptor*/ + init_ablkcipher_job(ctx->sh_desc_enc, ctx->sh_desc_enc_dma, edesc, req); +#ifdef DEBUG + print_hex_dump(KERN_ERR, "ablkcipher jobdesc@"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, edesc->hw_desc, + desc_bytes(edesc->hw_desc), 1); +#endif + desc = edesc->hw_desc; + ret = caam_jr_enqueue(jrdev, desc, ablkcipher_encrypt_done, req); + + if (!ret) { + ret = -EINPROGRESS; + } else { + ablkcipher_unmap(jrdev, edesc, req); + kfree(edesc); + } + + return ret; +} + +static int ablkcipher_decrypt(struct ablkcipher_request *req) +{ + struct ablkcipher_edesc *edesc; + struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req); + struct caam_ctx *ctx = crypto_ablkcipher_ctx(ablkcipher); + int ivsize = crypto_ablkcipher_ivsize(ablkcipher); + struct device *jrdev = ctx->jrdev; + u32 *desc; + int ret = 0; + + /* allocate extended descriptor */ + edesc = ablkcipher_edesc_alloc(req, DESC_JOB_IO_LEN * CAAM_CMD_SZ); + if (IS_ERR(edesc)) + return PTR_ERR(edesc); + + /* + * The crypto API expects us to set the IV (req->info) to the last + * ciphertext block when running in CBC mode. + */ + if ((ctx->cdata.algtype & OP_ALG_AAI_MASK) == OP_ALG_AAI_CBC) + scatterwalk_map_and_copy(req->info, req->src, req->nbytes - + ivsize, ivsize, 0); + + /* Create and submit job descriptor*/ + init_ablkcipher_job(ctx->sh_desc_dec, ctx->sh_desc_dec_dma, edesc, req); + desc = edesc->hw_desc; +#ifdef DEBUG + print_hex_dump(KERN_ERR, "ablkcipher jobdesc@"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, edesc->hw_desc, + desc_bytes(edesc->hw_desc), 1); +#endif + + ret = caam_jr_enqueue(jrdev, desc, ablkcipher_decrypt_done, req); + if (!ret) { + ret = -EINPROGRESS; + } else { + ablkcipher_unmap(jrdev, edesc, req); + kfree(edesc); + } + + return ret; +} + +/* + * allocate and map the ablkcipher extended descriptor + * for ablkcipher givencrypt + */ +static struct ablkcipher_edesc *ablkcipher_giv_edesc_alloc( + struct skcipher_givcrypt_request *greq, + int desc_bytes) +{ + struct ablkcipher_request *req = &greq->creq; + struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req); + struct caam_ctx *ctx = crypto_ablkcipher_ctx(ablkcipher); + struct device *jrdev = ctx->jrdev; + gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? + GFP_KERNEL : GFP_ATOMIC; + int src_nents, mapped_src_nents, dst_nents, mapped_dst_nents; + struct ablkcipher_edesc *edesc; + dma_addr_t iv_dma; + u8 *iv; + int ivsize = crypto_ablkcipher_ivsize(ablkcipher); + int dst_sg_idx, sec4_sg_ents, sec4_sg_bytes; + + src_nents = sg_nents_for_len(req->src, req->nbytes); + if (unlikely(src_nents < 0)) { + dev_err(jrdev, "Insufficient bytes (%d) in src S/G\n", + req->nbytes); + return ERR_PTR(src_nents); + } + + if (likely(req->src == req->dst)) { + mapped_src_nents = dma_map_sg(jrdev, req->src, src_nents, + DMA_BIDIRECTIONAL); + if (unlikely(!mapped_src_nents)) { + dev_err(jrdev, "unable to map source\n"); + return ERR_PTR(-ENOMEM); + } + + dst_nents = src_nents; + mapped_dst_nents = src_nents; + } else { + mapped_src_nents = dma_map_sg(jrdev, req->src, src_nents, + DMA_TO_DEVICE); + if (unlikely(!mapped_src_nents)) { + dev_err(jrdev, "unable to map source\n"); + return ERR_PTR(-ENOMEM); + } + + dst_nents = sg_nents_for_len(req->dst, req->nbytes); + if (unlikely(dst_nents < 0)) { + dev_err(jrdev, "Insufficient bytes (%d) in dst S/G\n", + req->nbytes); + return ERR_PTR(dst_nents); + } + + mapped_dst_nents = dma_map_sg(jrdev, req->dst, dst_nents, + DMA_FROM_DEVICE); + if (unlikely(!mapped_dst_nents)) { + dev_err(jrdev, "unable to map destination\n"); + dma_unmap_sg(jrdev, req->src, src_nents, DMA_TO_DEVICE); + return ERR_PTR(-ENOMEM); + } + } + + sec4_sg_ents = mapped_src_nents > 1 ? mapped_src_nents : 0; + dst_sg_idx = sec4_sg_ents; + sec4_sg_ents += 1 + mapped_dst_nents; + + /* + * allocate space for base edesc and hw desc commands, link tables, IV + */ + sec4_sg_bytes = sec4_sg_ents * sizeof(struct sec4_sg_entry); + edesc = kzalloc(sizeof(*edesc) + desc_bytes + sec4_sg_bytes + ivsize, + GFP_DMA | flags); + if (!edesc) { + dev_err(jrdev, "could not allocate extended descriptor\n"); + caam_unmap(jrdev, req->src, req->dst, src_nents, dst_nents, 0, + 0, DMA_NONE, 0, 0); + return ERR_PTR(-ENOMEM); + } + + edesc->src_nents = src_nents; + edesc->dst_nents = dst_nents; + edesc->sec4_sg_bytes = sec4_sg_bytes; + edesc->sec4_sg = (struct sec4_sg_entry *)((u8 *)edesc->hw_desc + + desc_bytes); + edesc->iv_dir = DMA_FROM_DEVICE; + + /* Make sure IV is located in a DMAable area */ + iv = (u8 *)edesc->hw_desc + desc_bytes + sec4_sg_bytes; + iv_dma = dma_map_single(jrdev, iv, ivsize, DMA_FROM_DEVICE); + if (dma_mapping_error(jrdev, iv_dma)) { + dev_err(jrdev, "unable to map IV\n"); + caam_unmap(jrdev, req->src, req->dst, src_nents, dst_nents, 0, + 0, DMA_NONE, 0, 0); + kfree(edesc); + return ERR_PTR(-ENOMEM); + } + + if (mapped_src_nents > 1) + sg_to_sec4_sg_last(req->src, mapped_src_nents, edesc->sec4_sg, + 0); + + dma_to_sec4_sg_one(edesc->sec4_sg + dst_sg_idx, iv_dma, ivsize, 0); + sg_to_sec4_sg_last(req->dst, mapped_dst_nents, edesc->sec4_sg + + dst_sg_idx + 1, 0); + + edesc->sec4_sg_dma = dma_map_single(jrdev, edesc->sec4_sg, + sec4_sg_bytes, DMA_TO_DEVICE); + if (dma_mapping_error(jrdev, edesc->sec4_sg_dma)) { + dev_err(jrdev, "unable to map S/G table\n"); + caam_unmap(jrdev, req->src, req->dst, src_nents, dst_nents, + iv_dma, ivsize, DMA_FROM_DEVICE, 0, 0); + kfree(edesc); + return ERR_PTR(-ENOMEM); + } + edesc->iv_dma = iv_dma; + +#ifdef DEBUG + print_hex_dump(KERN_ERR, + "ablkcipher sec4_sg@" __stringify(__LINE__) ": ", + DUMP_PREFIX_ADDRESS, 16, 4, edesc->sec4_sg, + sec4_sg_bytes, 1); +#endif + + return edesc; +} + +static int ablkcipher_givencrypt(struct skcipher_givcrypt_request *creq) +{ + struct ablkcipher_request *req = &creq->creq; + struct ablkcipher_edesc *edesc; + struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req); + struct caam_ctx *ctx = crypto_ablkcipher_ctx(ablkcipher); + struct device *jrdev = ctx->jrdev; + u32 *desc; + int ret = 0; + + /* allocate extended descriptor */ + edesc = ablkcipher_giv_edesc_alloc(creq, DESC_JOB_IO_LEN * CAAM_CMD_SZ); + if (IS_ERR(edesc)) + return PTR_ERR(edesc); + + /* Create and submit job descriptor*/ + init_ablkcipher_giv_job(ctx->sh_desc_givenc, ctx->sh_desc_givenc_dma, + edesc, req); +#ifdef DEBUG + print_hex_dump(KERN_ERR, + "ablkcipher jobdesc@" __stringify(__LINE__) ": ", + DUMP_PREFIX_ADDRESS, 16, 4, edesc->hw_desc, + desc_bytes(edesc->hw_desc), 1); +#endif + desc = edesc->hw_desc; + ret = caam_jr_enqueue(jrdev, desc, ablkcipher_encrypt_done, req); + + if (!ret) { + ret = -EINPROGRESS; + } else { + ablkcipher_unmap(jrdev, edesc, req); + kfree(edesc); + } + + return ret; +} + +#define template_aead template_u.aead +#define template_ablkcipher template_u.ablkcipher +struct caam_alg_template { + char name[CRYPTO_MAX_ALG_NAME]; + char driver_name[CRYPTO_MAX_ALG_NAME]; + unsigned int blocksize; + u32 type; + union { + struct ablkcipher_alg ablkcipher; + } template_u; + u32 class1_alg_type; + u32 class2_alg_type; +}; + +static struct caam_alg_template driver_algs[] = { + /* ablkcipher descriptor */ + { + .name = "cbc(aes)", + .driver_name = "cbc-aes-caam", + .blocksize = AES_BLOCK_SIZE, + .type = CRYPTO_ALG_TYPE_GIVCIPHER, + .template_ablkcipher = { + .setkey = ablkcipher_setkey, + .encrypt = ablkcipher_encrypt, + .decrypt = ablkcipher_decrypt, + .givencrypt = ablkcipher_givencrypt, + .geniv = "<built-in>", + .min_keysize = AES_MIN_KEY_SIZE, + .max_keysize = AES_MAX_KEY_SIZE, + .ivsize = AES_BLOCK_SIZE, + }, + .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC, + }, + { + .name = "cbc(des3_ede)", + .driver_name = "cbc-3des-caam", + .blocksize = DES3_EDE_BLOCK_SIZE, + .type = CRYPTO_ALG_TYPE_GIVCIPHER, + .template_ablkcipher = { + .setkey = ablkcipher_setkey, + .encrypt = ablkcipher_encrypt, + .decrypt = ablkcipher_decrypt, + .givencrypt = ablkcipher_givencrypt, + .geniv = "<built-in>", + .min_keysize = DES3_EDE_KEY_SIZE, + .max_keysize = DES3_EDE_KEY_SIZE, + .ivsize = DES3_EDE_BLOCK_SIZE, + }, + .class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC, + }, + { + .name = "cbc(des)", + .driver_name = "cbc-des-caam", + .blocksize = DES_BLOCK_SIZE, + .type = CRYPTO_ALG_TYPE_GIVCIPHER, + .template_ablkcipher = { + .setkey = ablkcipher_setkey, + .encrypt = ablkcipher_encrypt, + .decrypt = ablkcipher_decrypt, + .givencrypt = ablkcipher_givencrypt, + .geniv = "<built-in>", + .min_keysize = DES_KEY_SIZE, + .max_keysize = DES_KEY_SIZE, + .ivsize = DES_BLOCK_SIZE, + }, + .class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC, + }, + { + .name = "ctr(aes)", + .driver_name = "ctr-aes-caam", + .blocksize = 1, + .type = CRYPTO_ALG_TYPE_ABLKCIPHER, + .template_ablkcipher = { + .setkey = ablkcipher_setkey, + .encrypt = ablkcipher_encrypt, + .decrypt = ablkcipher_decrypt, + .geniv = "chainiv", + .min_keysize = AES_MIN_KEY_SIZE, + .max_keysize = AES_MAX_KEY_SIZE, + .ivsize = AES_BLOCK_SIZE, + }, + .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CTR_MOD128, + }, + { + .name = "rfc3686(ctr(aes))", + .driver_name = "rfc3686-ctr-aes-caam", + .blocksize = 1, + .type = CRYPTO_ALG_TYPE_GIVCIPHER, + .template_ablkcipher = { + .setkey = ablkcipher_setkey, + .encrypt = ablkcipher_encrypt, + .decrypt = ablkcipher_decrypt, + .givencrypt = ablkcipher_givencrypt, + .geniv = "<built-in>", + .min_keysize = AES_MIN_KEY_SIZE + + CTR_RFC3686_NONCE_SIZE, + .max_keysize = AES_MAX_KEY_SIZE + + CTR_RFC3686_NONCE_SIZE, + .ivsize = CTR_RFC3686_IV_SIZE, + }, + .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CTR_MOD128, + }, + { + .name = "xts(aes)", + .driver_name = "xts-aes-caam", + .blocksize = AES_BLOCK_SIZE, + .type = CRYPTO_ALG_TYPE_ABLKCIPHER, + .template_ablkcipher = { + .setkey = xts_ablkcipher_setkey, + .encrypt = ablkcipher_encrypt, + .decrypt = ablkcipher_decrypt, + .geniv = "eseqiv", + .min_keysize = 2 * AES_MIN_KEY_SIZE, + .max_keysize = 2 * AES_MAX_KEY_SIZE, + .ivsize = AES_BLOCK_SIZE, + }, + .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_XTS, + }, +}; + +static struct caam_aead_alg driver_aeads[] = { + { + .aead = { + .base = { + .cra_name = "rfc4106(gcm(aes))", + .cra_driver_name = "rfc4106-gcm-aes-caam", + .cra_blocksize = 1, + }, + .setkey = rfc4106_setkey, + .setauthsize = rfc4106_setauthsize, + .encrypt = ipsec_gcm_encrypt, + .decrypt = ipsec_gcm_decrypt, + .ivsize = GCM_RFC4106_IV_SIZE, + .maxauthsize = AES_BLOCK_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_GCM, + }, + }, + { + .aead = { + .base = { + .cra_name = "rfc4543(gcm(aes))", + .cra_driver_name = "rfc4543-gcm-aes-caam", + .cra_blocksize = 1, + }, + .setkey = rfc4543_setkey, + .setauthsize = rfc4543_setauthsize, + .encrypt = ipsec_gcm_encrypt, + .decrypt = ipsec_gcm_decrypt, + .ivsize = GCM_RFC4543_IV_SIZE, + .maxauthsize = AES_BLOCK_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_GCM, + }, + }, + /* Galois Counter Mode */ + { + .aead = { + .base = { + .cra_name = "gcm(aes)", + .cra_driver_name = "gcm-aes-caam", + .cra_blocksize = 1, + }, + .setkey = gcm_setkey, + .setauthsize = gcm_setauthsize, + .encrypt = gcm_encrypt, + .decrypt = gcm_decrypt, + .ivsize = GCM_AES_IV_SIZE, + .maxauthsize = AES_BLOCK_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_GCM, + }, + }, + /* single-pass ipsec_esp descriptor */ + { + .aead = { + .base = { + .cra_name = "authenc(hmac(md5)," + "ecb(cipher_null))", + .cra_driver_name = "authenc-hmac-md5-" + "ecb-cipher_null-caam", + .cra_blocksize = NULL_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = NULL_IV_SIZE, + .maxauthsize = MD5_DIGEST_SIZE, + }, + .caam = { + .class2_alg_type = OP_ALG_ALGSEL_MD5 | + OP_ALG_AAI_HMAC_PRECOMP, + }, + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha1)," + "ecb(cipher_null))", + .cra_driver_name = "authenc-hmac-sha1-" + "ecb-cipher_null-caam", + .cra_blocksize = NULL_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = NULL_IV_SIZE, + .maxauthsize = SHA1_DIGEST_SIZE, + }, + .caam = { + .class2_alg_type = OP_ALG_ALGSEL_SHA1 | + OP_ALG_AAI_HMAC_PRECOMP, + }, + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha224)," + "ecb(cipher_null))", + .cra_driver_name = "authenc-hmac-sha224-" + "ecb-cipher_null-caam", + .cra_blocksize = NULL_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = NULL_IV_SIZE, + .maxauthsize = SHA224_DIGEST_SIZE, + }, + .caam = { + .class2_alg_type = OP_ALG_ALGSEL_SHA224 | + OP_ALG_AAI_HMAC_PRECOMP, + }, + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha256)," + "ecb(cipher_null))", + .cra_driver_name = "authenc-hmac-sha256-" + "ecb-cipher_null-caam", + .cra_blocksize = NULL_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = NULL_IV_SIZE, + .maxauthsize = SHA256_DIGEST_SIZE, + }, + .caam = { + .class2_alg_type = OP_ALG_ALGSEL_SHA256 | + OP_ALG_AAI_HMAC_PRECOMP, + }, + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha384)," + "ecb(cipher_null))", + .cra_driver_name = "authenc-hmac-sha384-" + "ecb-cipher_null-caam", + .cra_blocksize = NULL_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = NULL_IV_SIZE, + .maxauthsize = SHA384_DIGEST_SIZE, + }, + .caam = { + .class2_alg_type = OP_ALG_ALGSEL_SHA384 | + OP_ALG_AAI_HMAC_PRECOMP, + }, + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha512)," + "ecb(cipher_null))", + .cra_driver_name = "authenc-hmac-sha512-" + "ecb-cipher_null-caam", + .cra_blocksize = NULL_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = NULL_IV_SIZE, + .maxauthsize = SHA512_DIGEST_SIZE, + }, + .caam = { + .class2_alg_type = OP_ALG_ALGSEL_SHA512 | + OP_ALG_AAI_HMAC_PRECOMP, + }, + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(md5),cbc(aes))", + .cra_driver_name = "authenc-hmac-md5-" + "cbc-aes-caam", + .cra_blocksize = AES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = AES_BLOCK_SIZE, + .maxauthsize = MD5_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_MD5 | + OP_ALG_AAI_HMAC_PRECOMP, + }, + }, + { + .aead = { + .base = { + .cra_name = "echainiv(authenc(hmac(md5)," + "cbc(aes)))", + .cra_driver_name = "echainiv-authenc-hmac-md5-" + "cbc-aes-caam", + .cra_blocksize = AES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = AES_BLOCK_SIZE, + .maxauthsize = MD5_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_MD5 | + OP_ALG_AAI_HMAC_PRECOMP, + .geniv = true, + }, + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha1),cbc(aes))", + .cra_driver_name = "authenc-hmac-sha1-" + "cbc-aes-caam", + .cra_blocksize = AES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = AES_BLOCK_SIZE, + .maxauthsize = SHA1_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA1 | + OP_ALG_AAI_HMAC_PRECOMP, + }, + }, + { + .aead = { + .base = { + .cra_name = "echainiv(authenc(hmac(sha1)," + "cbc(aes)))", + .cra_driver_name = "echainiv-authenc-" + "hmac-sha1-cbc-aes-caam", + .cra_blocksize = AES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = AES_BLOCK_SIZE, + .maxauthsize = SHA1_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA1 | + OP_ALG_AAI_HMAC_PRECOMP, + .geniv = true, + }, + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha224),cbc(aes))", + .cra_driver_name = "authenc-hmac-sha224-" + "cbc-aes-caam", + .cra_blocksize = AES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = AES_BLOCK_SIZE, + .maxauthsize = SHA224_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA224 | + OP_ALG_AAI_HMAC_PRECOMP, + }, + }, + { + .aead = { + .base = { + .cra_name = "echainiv(authenc(hmac(sha224)," + "cbc(aes)))", + .cra_driver_name = "echainiv-authenc-" + "hmac-sha224-cbc-aes-caam", + .cra_blocksize = AES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = AES_BLOCK_SIZE, + .maxauthsize = SHA224_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA224 | + OP_ALG_AAI_HMAC_PRECOMP, + .geniv = true, + }, + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha256),cbc(aes))", + .cra_driver_name = "authenc-hmac-sha256-" + "cbc-aes-caam", + .cra_blocksize = AES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = AES_BLOCK_SIZE, + .maxauthsize = SHA256_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA256 | + OP_ALG_AAI_HMAC_PRECOMP, + }, + }, + { + .aead = { + .base = { + .cra_name = "echainiv(authenc(hmac(sha256)," + "cbc(aes)))", + .cra_driver_name = "echainiv-authenc-" + "hmac-sha256-cbc-aes-caam", + .cra_blocksize = AES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = AES_BLOCK_SIZE, + .maxauthsize = SHA256_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA256 | + OP_ALG_AAI_HMAC_PRECOMP, + .geniv = true, + }, + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha384),cbc(aes))", + .cra_driver_name = "authenc-hmac-sha384-" + "cbc-aes-caam", + .cra_blocksize = AES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = AES_BLOCK_SIZE, + .maxauthsize = SHA384_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA384 | + OP_ALG_AAI_HMAC_PRECOMP, + }, + }, + { + .aead = { + .base = { + .cra_name = "echainiv(authenc(hmac(sha384)," + "cbc(aes)))", + .cra_driver_name = "echainiv-authenc-" + "hmac-sha384-cbc-aes-caam", + .cra_blocksize = AES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = AES_BLOCK_SIZE, + .maxauthsize = SHA384_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA384 | + OP_ALG_AAI_HMAC_PRECOMP, + .geniv = true, + }, + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha512),cbc(aes))", + .cra_driver_name = "authenc-hmac-sha512-" + "cbc-aes-caam", + .cra_blocksize = AES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = AES_BLOCK_SIZE, + .maxauthsize = SHA512_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA512 | + OP_ALG_AAI_HMAC_PRECOMP, + }, + }, + { + .aead = { + .base = { + .cra_name = "echainiv(authenc(hmac(sha512)," + "cbc(aes)))", + .cra_driver_name = "echainiv-authenc-" + "hmac-sha512-cbc-aes-caam", + .cra_blocksize = AES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = AES_BLOCK_SIZE, + .maxauthsize = SHA512_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA512 | + OP_ALG_AAI_HMAC_PRECOMP, + .geniv = true, + }, + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(md5),cbc(des3_ede))", + .cra_driver_name = "authenc-hmac-md5-" + "cbc-des3_ede-caam", + .cra_blocksize = DES3_EDE_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES3_EDE_BLOCK_SIZE, + .maxauthsize = MD5_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_MD5 | + OP_ALG_AAI_HMAC_PRECOMP, + } + }, + { + .aead = { + .base = { + .cra_name = "echainiv(authenc(hmac(md5)," + "cbc(des3_ede)))", + .cra_driver_name = "echainiv-authenc-hmac-md5-" + "cbc-des3_ede-caam", + .cra_blocksize = DES3_EDE_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES3_EDE_BLOCK_SIZE, + .maxauthsize = MD5_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_MD5 | + OP_ALG_AAI_HMAC_PRECOMP, + .geniv = true, + } + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha1)," + "cbc(des3_ede))", + .cra_driver_name = "authenc-hmac-sha1-" + "cbc-des3_ede-caam", + .cra_blocksize = DES3_EDE_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES3_EDE_BLOCK_SIZE, + .maxauthsize = SHA1_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA1 | + OP_ALG_AAI_HMAC_PRECOMP, + }, + }, + { + .aead = { + .base = { + .cra_name = "echainiv(authenc(hmac(sha1)," + "cbc(des3_ede)))", + .cra_driver_name = "echainiv-authenc-" + "hmac-sha1-" + "cbc-des3_ede-caam", + .cra_blocksize = DES3_EDE_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES3_EDE_BLOCK_SIZE, + .maxauthsize = SHA1_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA1 | + OP_ALG_AAI_HMAC_PRECOMP, + .geniv = true, + }, + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha224)," + "cbc(des3_ede))", + .cra_driver_name = "authenc-hmac-sha224-" + "cbc-des3_ede-caam", + .cra_blocksize = DES3_EDE_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES3_EDE_BLOCK_SIZE, + .maxauthsize = SHA224_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA224 | + OP_ALG_AAI_HMAC_PRECOMP, + }, + }, + { + .aead = { + .base = { + .cra_name = "echainiv(authenc(hmac(sha224)," + "cbc(des3_ede)))", + .cra_driver_name = "echainiv-authenc-" + "hmac-sha224-" + "cbc-des3_ede-caam", + .cra_blocksize = DES3_EDE_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES3_EDE_BLOCK_SIZE, + .maxauthsize = SHA224_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA224 | + OP_ALG_AAI_HMAC_PRECOMP, + .geniv = true, + }, + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha256)," + "cbc(des3_ede))", + .cra_driver_name = "authenc-hmac-sha256-" + "cbc-des3_ede-caam", + .cra_blocksize = DES3_EDE_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES3_EDE_BLOCK_SIZE, + .maxauthsize = SHA256_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA256 | + OP_ALG_AAI_HMAC_PRECOMP, + }, + }, + { + .aead = { + .base = { + .cra_name = "echainiv(authenc(hmac(sha256)," + "cbc(des3_ede)))", + .cra_driver_name = "echainiv-authenc-" + "hmac-sha256-" + "cbc-des3_ede-caam", + .cra_blocksize = DES3_EDE_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES3_EDE_BLOCK_SIZE, + .maxauthsize = SHA256_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA256 | + OP_ALG_AAI_HMAC_PRECOMP, + .geniv = true, + }, + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha384)," + "cbc(des3_ede))", + .cra_driver_name = "authenc-hmac-sha384-" + "cbc-des3_ede-caam", + .cra_blocksize = DES3_EDE_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES3_EDE_BLOCK_SIZE, + .maxauthsize = SHA384_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA384 | + OP_ALG_AAI_HMAC_PRECOMP, + }, + }, + { + .aead = { + .base = { + .cra_name = "echainiv(authenc(hmac(sha384)," + "cbc(des3_ede)))", + .cra_driver_name = "echainiv-authenc-" + "hmac-sha384-" + "cbc-des3_ede-caam", + .cra_blocksize = DES3_EDE_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES3_EDE_BLOCK_SIZE, + .maxauthsize = SHA384_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA384 | + OP_ALG_AAI_HMAC_PRECOMP, + .geniv = true, + }, + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha512)," + "cbc(des3_ede))", + .cra_driver_name = "authenc-hmac-sha512-" + "cbc-des3_ede-caam", + .cra_blocksize = DES3_EDE_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES3_EDE_BLOCK_SIZE, + .maxauthsize = SHA512_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA512 | + OP_ALG_AAI_HMAC_PRECOMP, + }, + }, + { + .aead = { + .base = { + .cra_name = "echainiv(authenc(hmac(sha512)," + "cbc(des3_ede)))", + .cra_driver_name = "echainiv-authenc-" + "hmac-sha512-" + "cbc-des3_ede-caam", + .cra_blocksize = DES3_EDE_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES3_EDE_BLOCK_SIZE, + .maxauthsize = SHA512_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA512 | + OP_ALG_AAI_HMAC_PRECOMP, + .geniv = true, + }, + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(md5),cbc(des))", + .cra_driver_name = "authenc-hmac-md5-" + "cbc-des-caam", + .cra_blocksize = DES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES_BLOCK_SIZE, + .maxauthsize = MD5_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_MD5 | + OP_ALG_AAI_HMAC_PRECOMP, + }, + }, + { + .aead = { + .base = { + .cra_name = "echainiv(authenc(hmac(md5)," + "cbc(des)))", + .cra_driver_name = "echainiv-authenc-hmac-md5-" + "cbc-des-caam", + .cra_blocksize = DES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES_BLOCK_SIZE, + .maxauthsize = MD5_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_MD5 | + OP_ALG_AAI_HMAC_PRECOMP, + .geniv = true, + }, + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha1),cbc(des))", + .cra_driver_name = "authenc-hmac-sha1-" + "cbc-des-caam", + .cra_blocksize = DES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES_BLOCK_SIZE, + .maxauthsize = SHA1_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA1 | + OP_ALG_AAI_HMAC_PRECOMP, + }, + }, + { + .aead = { + .base = { + .cra_name = "echainiv(authenc(hmac(sha1)," + "cbc(des)))", + .cra_driver_name = "echainiv-authenc-" + "hmac-sha1-cbc-des-caam", + .cra_blocksize = DES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES_BLOCK_SIZE, + .maxauthsize = SHA1_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA1 | + OP_ALG_AAI_HMAC_PRECOMP, + .geniv = true, + }, + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha224),cbc(des))", + .cra_driver_name = "authenc-hmac-sha224-" + "cbc-des-caam", + .cra_blocksize = DES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES_BLOCK_SIZE, + .maxauthsize = SHA224_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA224 | + OP_ALG_AAI_HMAC_PRECOMP, + }, + }, + { + .aead = { + .base = { + .cra_name = "echainiv(authenc(hmac(sha224)," + "cbc(des)))", + .cra_driver_name = "echainiv-authenc-" + "hmac-sha224-cbc-des-caam", + .cra_blocksize = DES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES_BLOCK_SIZE, + .maxauthsize = SHA224_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA224 | + OP_ALG_AAI_HMAC_PRECOMP, + .geniv = true, + }, + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha256),cbc(des))", + .cra_driver_name = "authenc-hmac-sha256-" + "cbc-des-caam", + .cra_blocksize = DES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES_BLOCK_SIZE, + .maxauthsize = SHA256_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA256 | + OP_ALG_AAI_HMAC_PRECOMP, + }, + }, + { + .aead = { + .base = { + .cra_name = "echainiv(authenc(hmac(sha256)," + "cbc(des)))", + .cra_driver_name = "echainiv-authenc-" + "hmac-sha256-cbc-des-caam", + .cra_blocksize = DES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES_BLOCK_SIZE, + .maxauthsize = SHA256_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA256 | + OP_ALG_AAI_HMAC_PRECOMP, + .geniv = true, + }, + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha384),cbc(des))", + .cra_driver_name = "authenc-hmac-sha384-" + "cbc-des-caam", + .cra_blocksize = DES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES_BLOCK_SIZE, + .maxauthsize = SHA384_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA384 | + OP_ALG_AAI_HMAC_PRECOMP, + }, + }, + { + .aead = { + .base = { + .cra_name = "echainiv(authenc(hmac(sha384)," + "cbc(des)))", + .cra_driver_name = "echainiv-authenc-" + "hmac-sha384-cbc-des-caam", + .cra_blocksize = DES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES_BLOCK_SIZE, + .maxauthsize = SHA384_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA384 | + OP_ALG_AAI_HMAC_PRECOMP, + .geniv = true, + }, + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha512),cbc(des))", + .cra_driver_name = "authenc-hmac-sha512-" + "cbc-des-caam", + .cra_blocksize = DES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES_BLOCK_SIZE, + .maxauthsize = SHA512_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA512 | + OP_ALG_AAI_HMAC_PRECOMP, + }, + }, + { + .aead = { + .base = { + .cra_name = "echainiv(authenc(hmac(sha512)," + "cbc(des)))", + .cra_driver_name = "echainiv-authenc-" + "hmac-sha512-cbc-des-caam", + .cra_blocksize = DES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES_BLOCK_SIZE, + .maxauthsize = SHA512_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA512 | + OP_ALG_AAI_HMAC_PRECOMP, + .geniv = true, + }, + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(md5)," + "rfc3686(ctr(aes)))", + .cra_driver_name = "authenc-hmac-md5-" + "rfc3686-ctr-aes-caam", + .cra_blocksize = 1, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = CTR_RFC3686_IV_SIZE, + .maxauthsize = MD5_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | + OP_ALG_AAI_CTR_MOD128, + .class2_alg_type = OP_ALG_ALGSEL_MD5 | + OP_ALG_AAI_HMAC_PRECOMP, + .rfc3686 = true, + }, + }, + { + .aead = { + .base = { + .cra_name = "seqiv(authenc(" + "hmac(md5),rfc3686(ctr(aes))))", + .cra_driver_name = "seqiv-authenc-hmac-md5-" + "rfc3686-ctr-aes-caam", + .cra_blocksize = 1, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = CTR_RFC3686_IV_SIZE, + .maxauthsize = MD5_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | + OP_ALG_AAI_CTR_MOD128, + .class2_alg_type = OP_ALG_ALGSEL_MD5 | + OP_ALG_AAI_HMAC_PRECOMP, + .rfc3686 = true, + .geniv = true, + }, + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha1)," + "rfc3686(ctr(aes)))", + .cra_driver_name = "authenc-hmac-sha1-" + "rfc3686-ctr-aes-caam", + .cra_blocksize = 1, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = CTR_RFC3686_IV_SIZE, + .maxauthsize = SHA1_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | + OP_ALG_AAI_CTR_MOD128, + .class2_alg_type = OP_ALG_ALGSEL_SHA1 | + OP_ALG_AAI_HMAC_PRECOMP, + .rfc3686 = true, + }, + }, + { + .aead = { + .base = { + .cra_name = "seqiv(authenc(" + "hmac(sha1),rfc3686(ctr(aes))))", + .cra_driver_name = "seqiv-authenc-hmac-sha1-" + "rfc3686-ctr-aes-caam", + .cra_blocksize = 1, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = CTR_RFC3686_IV_SIZE, + .maxauthsize = SHA1_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | + OP_ALG_AAI_CTR_MOD128, + .class2_alg_type = OP_ALG_ALGSEL_SHA1 | + OP_ALG_AAI_HMAC_PRECOMP, + .rfc3686 = true, + .geniv = true, + }, + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha224)," + "rfc3686(ctr(aes)))", + .cra_driver_name = "authenc-hmac-sha224-" + "rfc3686-ctr-aes-caam", + .cra_blocksize = 1, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = CTR_RFC3686_IV_SIZE, + .maxauthsize = SHA224_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | + OP_ALG_AAI_CTR_MOD128, + .class2_alg_type = OP_ALG_ALGSEL_SHA224 | + OP_ALG_AAI_HMAC_PRECOMP, + .rfc3686 = true, + }, + }, + { + .aead = { + .base = { + .cra_name = "seqiv(authenc(" + "hmac(sha224),rfc3686(ctr(aes))))", + .cra_driver_name = "seqiv-authenc-hmac-sha224-" + "rfc3686-ctr-aes-caam", + .cra_blocksize = 1, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = CTR_RFC3686_IV_SIZE, + .maxauthsize = SHA224_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | + OP_ALG_AAI_CTR_MOD128, + .class2_alg_type = OP_ALG_ALGSEL_SHA224 | + OP_ALG_AAI_HMAC_PRECOMP, + .rfc3686 = true, + .geniv = true, + }, + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha256)," + "rfc3686(ctr(aes)))", + .cra_driver_name = "authenc-hmac-sha256-" + "rfc3686-ctr-aes-caam", + .cra_blocksize = 1, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = CTR_RFC3686_IV_SIZE, + .maxauthsize = SHA256_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | + OP_ALG_AAI_CTR_MOD128, + .class2_alg_type = OP_ALG_ALGSEL_SHA256 | + OP_ALG_AAI_HMAC_PRECOMP, + .rfc3686 = true, + }, + }, + { + .aead = { + .base = { + .cra_name = "seqiv(authenc(hmac(sha256)," + "rfc3686(ctr(aes))))", + .cra_driver_name = "seqiv-authenc-hmac-sha256-" + "rfc3686-ctr-aes-caam", + .cra_blocksize = 1, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = CTR_RFC3686_IV_SIZE, + .maxauthsize = SHA256_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | + OP_ALG_AAI_CTR_MOD128, + .class2_alg_type = OP_ALG_ALGSEL_SHA256 | + OP_ALG_AAI_HMAC_PRECOMP, + .rfc3686 = true, + .geniv = true, + }, + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha384)," + "rfc3686(ctr(aes)))", + .cra_driver_name = "authenc-hmac-sha384-" + "rfc3686-ctr-aes-caam", + .cra_blocksize = 1, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = CTR_RFC3686_IV_SIZE, + .maxauthsize = SHA384_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | + OP_ALG_AAI_CTR_MOD128, + .class2_alg_type = OP_ALG_ALGSEL_SHA384 | + OP_ALG_AAI_HMAC_PRECOMP, + .rfc3686 = true, + }, + }, + { + .aead = { + .base = { + .cra_name = "seqiv(authenc(hmac(sha384)," + "rfc3686(ctr(aes))))", + .cra_driver_name = "seqiv-authenc-hmac-sha384-" + "rfc3686-ctr-aes-caam", + .cra_blocksize = 1, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = CTR_RFC3686_IV_SIZE, + .maxauthsize = SHA384_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | + OP_ALG_AAI_CTR_MOD128, + .class2_alg_type = OP_ALG_ALGSEL_SHA384 | + OP_ALG_AAI_HMAC_PRECOMP, + .rfc3686 = true, + .geniv = true, + }, + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha512)," + "rfc3686(ctr(aes)))", + .cra_driver_name = "authenc-hmac-sha512-" + "rfc3686-ctr-aes-caam", + .cra_blocksize = 1, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = CTR_RFC3686_IV_SIZE, + .maxauthsize = SHA512_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | + OP_ALG_AAI_CTR_MOD128, + .class2_alg_type = OP_ALG_ALGSEL_SHA512 | + OP_ALG_AAI_HMAC_PRECOMP, + .rfc3686 = true, + }, + }, + { + .aead = { + .base = { + .cra_name = "seqiv(authenc(hmac(sha512)," + "rfc3686(ctr(aes))))", + .cra_driver_name = "seqiv-authenc-hmac-sha512-" + "rfc3686-ctr-aes-caam", + .cra_blocksize = 1, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = CTR_RFC3686_IV_SIZE, + .maxauthsize = SHA512_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | + OP_ALG_AAI_CTR_MOD128, + .class2_alg_type = OP_ALG_ALGSEL_SHA512 | + OP_ALG_AAI_HMAC_PRECOMP, + .rfc3686 = true, + .geniv = true, + }, + }, +}; + +struct caam_crypto_alg { + struct crypto_alg crypto_alg; + struct list_head entry; + struct caam_alg_entry caam; +}; + +static int caam_init_common(struct caam_ctx *ctx, struct caam_alg_entry *caam, + bool uses_dkp) +{ + dma_addr_t dma_addr; + struct caam_drv_private *priv; + + ctx->jrdev = caam_jr_alloc(); + if (IS_ERR(ctx->jrdev)) { + pr_err("Job Ring Device allocation for transform failed\n"); + return PTR_ERR(ctx->jrdev); + } + + priv = dev_get_drvdata(ctx->jrdev->parent); + if (priv->era >= 6 && uses_dkp) + ctx->dir = DMA_BIDIRECTIONAL; + else + ctx->dir = DMA_TO_DEVICE; + + dma_addr = dma_map_single_attrs(ctx->jrdev, ctx->sh_desc_enc, + offsetof(struct caam_ctx, + sh_desc_enc_dma), + ctx->dir, DMA_ATTR_SKIP_CPU_SYNC); + if (dma_mapping_error(ctx->jrdev, dma_addr)) { + dev_err(ctx->jrdev, "unable to map key, shared descriptors\n"); + caam_jr_free(ctx->jrdev); + return -ENOMEM; + } + + ctx->sh_desc_enc_dma = dma_addr; + ctx->sh_desc_dec_dma = dma_addr + offsetof(struct caam_ctx, + sh_desc_dec); + ctx->sh_desc_givenc_dma = dma_addr + offsetof(struct caam_ctx, + sh_desc_givenc); + ctx->key_dma = dma_addr + offsetof(struct caam_ctx, key); + + /* copy descriptor header template value */ + ctx->cdata.algtype = OP_TYPE_CLASS1_ALG | caam->class1_alg_type; + ctx->adata.algtype = OP_TYPE_CLASS2_ALG | caam->class2_alg_type; + + return 0; +} + +static int caam_cra_init(struct crypto_tfm *tfm) +{ + struct crypto_alg *alg = tfm->__crt_alg; + struct caam_crypto_alg *caam_alg = + container_of(alg, struct caam_crypto_alg, crypto_alg); + struct caam_ctx *ctx = crypto_tfm_ctx(tfm); + + return caam_init_common(ctx, &caam_alg->caam, false); +} + +static int caam_aead_init(struct crypto_aead *tfm) +{ + struct aead_alg *alg = crypto_aead_alg(tfm); + struct caam_aead_alg *caam_alg = + container_of(alg, struct caam_aead_alg, aead); + struct caam_ctx *ctx = crypto_aead_ctx(tfm); + + return caam_init_common(ctx, &caam_alg->caam, + alg->setkey == aead_setkey); +} + +static void caam_exit_common(struct caam_ctx *ctx) +{ + dma_unmap_single_attrs(ctx->jrdev, ctx->sh_desc_enc_dma, + offsetof(struct caam_ctx, sh_desc_enc_dma), + ctx->dir, DMA_ATTR_SKIP_CPU_SYNC); + caam_jr_free(ctx->jrdev); +} + +static void caam_cra_exit(struct crypto_tfm *tfm) +{ + caam_exit_common(crypto_tfm_ctx(tfm)); +} + +static void caam_aead_exit(struct crypto_aead *tfm) +{ + caam_exit_common(crypto_aead_ctx(tfm)); +} + +static void __exit caam_algapi_exit(void) +{ + + struct caam_crypto_alg *t_alg, *n; + int i; + + for (i = 0; i < ARRAY_SIZE(driver_aeads); i++) { + struct caam_aead_alg *t_alg = driver_aeads + i; + + if (t_alg->registered) + crypto_unregister_aead(&t_alg->aead); + } + + if (!alg_list.next) + return; + + list_for_each_entry_safe(t_alg, n, &alg_list, entry) { + crypto_unregister_alg(&t_alg->crypto_alg); + list_del(&t_alg->entry); + kfree(t_alg); + } +} + +static struct caam_crypto_alg *caam_alg_alloc(struct caam_alg_template + *template) +{ + struct caam_crypto_alg *t_alg; + struct crypto_alg *alg; + + t_alg = kzalloc(sizeof(*t_alg), GFP_KERNEL); + if (!t_alg) { + pr_err("failed to allocate t_alg\n"); + return ERR_PTR(-ENOMEM); + } + + alg = &t_alg->crypto_alg; + + snprintf(alg->cra_name, CRYPTO_MAX_ALG_NAME, "%s", template->name); + snprintf(alg->cra_driver_name, CRYPTO_MAX_ALG_NAME, "%s", + template->driver_name); + alg->cra_module = THIS_MODULE; + alg->cra_init = caam_cra_init; + alg->cra_exit = caam_cra_exit; + alg->cra_priority = CAAM_CRA_PRIORITY; + alg->cra_blocksize = template->blocksize; + alg->cra_alignmask = 0; + alg->cra_ctxsize = sizeof(struct caam_ctx); + alg->cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_KERN_DRIVER_ONLY | + template->type; + switch (template->type) { + case CRYPTO_ALG_TYPE_GIVCIPHER: + alg->cra_type = &crypto_givcipher_type; + alg->cra_ablkcipher = template->template_ablkcipher; + break; + case CRYPTO_ALG_TYPE_ABLKCIPHER: + alg->cra_type = &crypto_ablkcipher_type; + alg->cra_ablkcipher = template->template_ablkcipher; + break; + } + + t_alg->caam.class1_alg_type = template->class1_alg_type; + t_alg->caam.class2_alg_type = template->class2_alg_type; + + return t_alg; +} + +static void caam_aead_alg_init(struct caam_aead_alg *t_alg) +{ + struct aead_alg *alg = &t_alg->aead; + + alg->base.cra_module = THIS_MODULE; + alg->base.cra_priority = CAAM_CRA_PRIORITY; + alg->base.cra_ctxsize = sizeof(struct caam_ctx); + alg->base.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_KERN_DRIVER_ONLY; + + alg->init = caam_aead_init; + alg->exit = caam_aead_exit; +} + +static int __init caam_algapi_init(void) +{ + struct device_node *dev_node; + struct platform_device *pdev; + struct device *ctrldev; + struct caam_drv_private *priv; + int i = 0, err = 0; + u32 cha_vid, cha_inst, des_inst, aes_inst, md_inst; + unsigned int md_limit = SHA512_DIGEST_SIZE; + bool registered = false; + + dev_node = of_find_compatible_node(NULL, NULL, "fsl,sec-v4.0"); + if (!dev_node) { + dev_node = of_find_compatible_node(NULL, NULL, "fsl,sec4.0"); + if (!dev_node) + return -ENODEV; + } + + pdev = of_find_device_by_node(dev_node); + if (!pdev) { + of_node_put(dev_node); + return -ENODEV; + } + + ctrldev = &pdev->dev; + priv = dev_get_drvdata(ctrldev); + of_node_put(dev_node); + + /* + * If priv is NULL, it's probably because the caam driver wasn't + * properly initialized (e.g. RNG4 init failed). Thus, bail out here. + */ + if (!priv) + return -ENODEV; + + + INIT_LIST_HEAD(&alg_list); + + /* + * Register crypto algorithms the device supports. + * First, detect presence and attributes of DES, AES, and MD blocks. + */ + cha_vid = rd_reg32(&priv->ctrl->perfmon.cha_id_ls); + cha_inst = rd_reg32(&priv->ctrl->perfmon.cha_num_ls); + des_inst = (cha_inst & CHA_ID_LS_DES_MASK) >> CHA_ID_LS_DES_SHIFT; + aes_inst = (cha_inst & CHA_ID_LS_AES_MASK) >> CHA_ID_LS_AES_SHIFT; + md_inst = (cha_inst & CHA_ID_LS_MD_MASK) >> CHA_ID_LS_MD_SHIFT; + + /* If MD is present, limit digest size based on LP256 */ + if (md_inst && ((cha_vid & CHA_ID_LS_MD_MASK) == CHA_ID_LS_MD_LP256)) + md_limit = SHA256_DIGEST_SIZE; + + for (i = 0; i < ARRAY_SIZE(driver_algs); i++) { + struct caam_crypto_alg *t_alg; + struct caam_alg_template *alg = driver_algs + i; + u32 alg_sel = alg->class1_alg_type & OP_ALG_ALGSEL_MASK; + + /* Skip DES algorithms if not supported by device */ + if (!des_inst && + ((alg_sel == OP_ALG_ALGSEL_3DES) || + (alg_sel == OP_ALG_ALGSEL_DES))) + continue; + + /* Skip AES algorithms if not supported by device */ + if (!aes_inst && (alg_sel == OP_ALG_ALGSEL_AES)) + continue; + + /* + * Check support for AES modes not available + * on LP devices. + */ + if ((cha_vid & CHA_ID_LS_AES_MASK) == CHA_ID_LS_AES_LP) + if ((alg->class1_alg_type & OP_ALG_AAI_MASK) == + OP_ALG_AAI_XTS) + continue; + + t_alg = caam_alg_alloc(alg); + if (IS_ERR(t_alg)) { + err = PTR_ERR(t_alg); + pr_warn("%s alg allocation failed\n", alg->driver_name); + continue; + } + + err = crypto_register_alg(&t_alg->crypto_alg); + if (err) { + pr_warn("%s alg registration failed\n", + t_alg->crypto_alg.cra_driver_name); + kfree(t_alg); + continue; + } + + list_add_tail(&t_alg->entry, &alg_list); + registered = true; + } + + for (i = 0; i < ARRAY_SIZE(driver_aeads); i++) { + struct caam_aead_alg *t_alg = driver_aeads + i; + u32 c1_alg_sel = t_alg->caam.class1_alg_type & + OP_ALG_ALGSEL_MASK; + u32 c2_alg_sel = t_alg->caam.class2_alg_type & + OP_ALG_ALGSEL_MASK; + u32 alg_aai = t_alg->caam.class1_alg_type & OP_ALG_AAI_MASK; + + /* Skip DES algorithms if not supported by device */ + if (!des_inst && + ((c1_alg_sel == OP_ALG_ALGSEL_3DES) || + (c1_alg_sel == OP_ALG_ALGSEL_DES))) + continue; + + /* Skip AES algorithms if not supported by device */ + if (!aes_inst && (c1_alg_sel == OP_ALG_ALGSEL_AES)) + continue; + + /* + * Check support for AES algorithms not available + * on LP devices. + */ + if ((cha_vid & CHA_ID_LS_AES_MASK) == CHA_ID_LS_AES_LP) + if (alg_aai == OP_ALG_AAI_GCM) + continue; + + /* + * Skip algorithms requiring message digests + * if MD or MD size is not supported by device. + */ + if (c2_alg_sel && + (!md_inst || (t_alg->aead.maxauthsize > md_limit))) + continue; + + caam_aead_alg_init(t_alg); + + err = crypto_register_aead(&t_alg->aead); + if (err) { + pr_warn("%s alg registration failed\n", + t_alg->aead.base.cra_driver_name); + continue; + } + + t_alg->registered = true; + registered = true; + } + + if (registered) + pr_info("caam algorithms registered in /proc/crypto\n"); + + return err; +} + +module_init(caam_algapi_init); +module_exit(caam_algapi_exit); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("FSL CAAM support for crypto API"); +MODULE_AUTHOR("Freescale Semiconductor - NMG/STC"); diff --git a/drivers/crypto/caam/caamalg_desc.c b/drivers/crypto/caam/caamalg_desc.c new file mode 100644 index 000000000..ceb033930 --- /dev/null +++ b/drivers/crypto/caam/caamalg_desc.c @@ -0,0 +1,1568 @@ +/* + * Shared descriptors for aead, ablkcipher algorithms + * + * Copyright 2016 NXP + */ + +#include "compat.h" +#include "desc_constr.h" +#include "caamalg_desc.h" + +/* + * For aead functions, read payload and write payload, + * both of which are specified in req->src and req->dst + */ +static inline void aead_append_src_dst(u32 *desc, u32 msg_type) +{ + append_seq_fifo_store(desc, 0, FIFOST_TYPE_MESSAGE_DATA | KEY_VLF); + append_seq_fifo_load(desc, 0, FIFOLD_CLASS_BOTH | + KEY_VLF | msg_type | FIFOLD_TYPE_LASTBOTH); +} + +/* Set DK bit in class 1 operation if shared */ +static inline void append_dec_op1(u32 *desc, u32 type) +{ + u32 *jump_cmd, *uncond_jump_cmd; + + /* DK bit is valid only for AES */ + if ((type & OP_ALG_ALGSEL_MASK) != OP_ALG_ALGSEL_AES) { + append_operation(desc, type | OP_ALG_AS_INITFINAL | + OP_ALG_DECRYPT); + return; + } + + jump_cmd = append_jump(desc, JUMP_TEST_ALL | JUMP_COND_SHRD); + append_operation(desc, type | OP_ALG_AS_INITFINAL | + OP_ALG_DECRYPT); + uncond_jump_cmd = append_jump(desc, JUMP_TEST_ALL); + set_jump_tgt_here(desc, jump_cmd); + append_operation(desc, type | OP_ALG_AS_INITFINAL | + OP_ALG_DECRYPT | OP_ALG_AAI_DK); + set_jump_tgt_here(desc, uncond_jump_cmd); +} + +/** + * cnstr_shdsc_aead_null_encap - IPSec ESP encapsulation shared descriptor + * (non-protocol) with no (null) encryption. + * @desc: pointer to buffer used for descriptor construction + * @adata: pointer to authentication transform definitions. + * A split key is required for SEC Era < 6; the size of the split key + * is specified in this case. Valid algorithm values - one of + * OP_ALG_ALGSEL_{MD5, SHA1, SHA224, SHA256, SHA384, SHA512} ANDed + * with OP_ALG_AAI_HMAC_PRECOMP. + * @icvsize: integrity check value (ICV) size (truncated or full) + * @era: SEC Era + */ +void cnstr_shdsc_aead_null_encap(u32 * const desc, struct alginfo *adata, + unsigned int icvsize, int era) +{ + u32 *key_jump_cmd, *read_move_cmd, *write_move_cmd; + + init_sh_desc(desc, HDR_SHARE_SERIAL); + + /* Skip if already shared */ + key_jump_cmd = append_jump(desc, JUMP_JSL | JUMP_TEST_ALL | + JUMP_COND_SHRD); + if (era < 6) { + if (adata->key_inline) + append_key_as_imm(desc, adata->key_virt, + adata->keylen_pad, adata->keylen, + CLASS_2 | KEY_DEST_MDHA_SPLIT | + KEY_ENC); + else + append_key(desc, adata->key_dma, adata->keylen, + CLASS_2 | KEY_DEST_MDHA_SPLIT | KEY_ENC); + } else { + append_proto_dkp(desc, adata); + } + set_jump_tgt_here(desc, key_jump_cmd); + + /* assoclen + cryptlen = seqinlen */ + append_math_sub(desc, REG3, SEQINLEN, REG0, CAAM_CMD_SZ); + + /* Prepare to read and write cryptlen + assoclen bytes */ + append_math_add(desc, VARSEQINLEN, ZERO, REG3, CAAM_CMD_SZ); + append_math_add(desc, VARSEQOUTLEN, ZERO, REG3, CAAM_CMD_SZ); + + /* + * MOVE_LEN opcode is not available in all SEC HW revisions, + * thus need to do some magic, i.e. self-patch the descriptor + * buffer. + */ + read_move_cmd = append_move(desc, MOVE_SRC_DESCBUF | + MOVE_DEST_MATH3 | + (0x6 << MOVE_LEN_SHIFT)); + write_move_cmd = append_move(desc, MOVE_SRC_MATH3 | + MOVE_DEST_DESCBUF | + MOVE_WAITCOMP | + (0x8 << MOVE_LEN_SHIFT)); + + /* Class 2 operation */ + append_operation(desc, adata->algtype | OP_ALG_AS_INITFINAL | + OP_ALG_ENCRYPT); + + /* Read and write cryptlen bytes */ + aead_append_src_dst(desc, FIFOLD_TYPE_MSG | FIFOLD_TYPE_FLUSH1); + + set_move_tgt_here(desc, read_move_cmd); + set_move_tgt_here(desc, write_move_cmd); + append_cmd(desc, CMD_LOAD | DISABLE_AUTO_INFO_FIFO); + append_move(desc, MOVE_SRC_INFIFO_CL | MOVE_DEST_OUTFIFO | + MOVE_AUX_LS); + + /* Write ICV */ + append_seq_store(desc, icvsize, LDST_CLASS_2_CCB | + LDST_SRCDST_BYTE_CONTEXT); + +#ifdef DEBUG + print_hex_dump(KERN_ERR, + "aead null enc shdesc@" __stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, desc, desc_bytes(desc), 1); +#endif +} +EXPORT_SYMBOL(cnstr_shdsc_aead_null_encap); + +/** + * cnstr_shdsc_aead_null_decap - IPSec ESP decapsulation shared descriptor + * (non-protocol) with no (null) decryption. + * @desc: pointer to buffer used for descriptor construction + * @adata: pointer to authentication transform definitions. + * A split key is required for SEC Era < 6; the size of the split key + * is specified in this case. Valid algorithm values - one of + * OP_ALG_ALGSEL_{MD5, SHA1, SHA224, SHA256, SHA384, SHA512} ANDed + * with OP_ALG_AAI_HMAC_PRECOMP. + * @icvsize: integrity check value (ICV) size (truncated or full) + * @era: SEC Era + */ +void cnstr_shdsc_aead_null_decap(u32 * const desc, struct alginfo *adata, + unsigned int icvsize, int era) +{ + u32 *key_jump_cmd, *read_move_cmd, *write_move_cmd, *jump_cmd; + + init_sh_desc(desc, HDR_SHARE_SERIAL); + + /* Skip if already shared */ + key_jump_cmd = append_jump(desc, JUMP_JSL | JUMP_TEST_ALL | + JUMP_COND_SHRD); + if (era < 6) { + if (adata->key_inline) + append_key_as_imm(desc, adata->key_virt, + adata->keylen_pad, adata->keylen, + CLASS_2 | KEY_DEST_MDHA_SPLIT | + KEY_ENC); + else + append_key(desc, adata->key_dma, adata->keylen, + CLASS_2 | KEY_DEST_MDHA_SPLIT | KEY_ENC); + } else { + append_proto_dkp(desc, adata); + } + set_jump_tgt_here(desc, key_jump_cmd); + + /* Class 2 operation */ + append_operation(desc, adata->algtype | OP_ALG_AS_INITFINAL | + OP_ALG_DECRYPT | OP_ALG_ICV_ON); + + /* assoclen + cryptlen = seqoutlen */ + append_math_sub(desc, REG2, SEQOUTLEN, REG0, CAAM_CMD_SZ); + + /* Prepare to read and write cryptlen + assoclen bytes */ + append_math_add(desc, VARSEQINLEN, ZERO, REG2, CAAM_CMD_SZ); + append_math_add(desc, VARSEQOUTLEN, ZERO, REG2, CAAM_CMD_SZ); + + /* + * MOVE_LEN opcode is not available in all SEC HW revisions, + * thus need to do some magic, i.e. self-patch the descriptor + * buffer. + */ + read_move_cmd = append_move(desc, MOVE_SRC_DESCBUF | + MOVE_DEST_MATH2 | + (0x6 << MOVE_LEN_SHIFT)); + write_move_cmd = append_move(desc, MOVE_SRC_MATH2 | + MOVE_DEST_DESCBUF | + MOVE_WAITCOMP | + (0x8 << MOVE_LEN_SHIFT)); + + /* Read and write cryptlen bytes */ + aead_append_src_dst(desc, FIFOLD_TYPE_MSG | FIFOLD_TYPE_FLUSH1); + + /* + * Insert a NOP here, since we need at least 4 instructions between + * code patching the descriptor buffer and the location being patched. + */ + jump_cmd = append_jump(desc, JUMP_TEST_ALL); + set_jump_tgt_here(desc, jump_cmd); + + set_move_tgt_here(desc, read_move_cmd); + set_move_tgt_here(desc, write_move_cmd); + append_cmd(desc, CMD_LOAD | DISABLE_AUTO_INFO_FIFO); + append_move(desc, MOVE_SRC_INFIFO_CL | MOVE_DEST_OUTFIFO | + MOVE_AUX_LS); + append_cmd(desc, CMD_LOAD | ENABLE_AUTO_INFO_FIFO); + + /* Load ICV */ + append_seq_fifo_load(desc, icvsize, FIFOLD_CLASS_CLASS2 | + FIFOLD_TYPE_LAST2 | FIFOLD_TYPE_ICV); + +#ifdef DEBUG + print_hex_dump(KERN_ERR, + "aead null dec shdesc@" __stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, desc, desc_bytes(desc), 1); +#endif +} +EXPORT_SYMBOL(cnstr_shdsc_aead_null_decap); + +static void init_sh_desc_key_aead(u32 * const desc, + struct alginfo * const cdata, + struct alginfo * const adata, + const bool is_rfc3686, u32 *nonce, int era) +{ + u32 *key_jump_cmd; + unsigned int enckeylen = cdata->keylen; + + /* Note: Context registers are saved. */ + init_sh_desc(desc, HDR_SHARE_SERIAL | HDR_SAVECTX); + + /* Skip if already shared */ + key_jump_cmd = append_jump(desc, JUMP_JSL | JUMP_TEST_ALL | + JUMP_COND_SHRD); + + /* + * RFC3686 specific: + * | key = {AUTH_KEY, ENC_KEY, NONCE} + * | enckeylen = encryption key size + nonce size + */ + if (is_rfc3686) + enckeylen -= CTR_RFC3686_NONCE_SIZE; + + if (era < 6) { + if (adata->key_inline) + append_key_as_imm(desc, adata->key_virt, + adata->keylen_pad, adata->keylen, + CLASS_2 | KEY_DEST_MDHA_SPLIT | + KEY_ENC); + else + append_key(desc, adata->key_dma, adata->keylen, + CLASS_2 | KEY_DEST_MDHA_SPLIT | KEY_ENC); + } else { + append_proto_dkp(desc, adata); + } + + if (cdata->key_inline) + append_key_as_imm(desc, cdata->key_virt, enckeylen, + enckeylen, CLASS_1 | KEY_DEST_CLASS_REG); + else + append_key(desc, cdata->key_dma, enckeylen, CLASS_1 | + KEY_DEST_CLASS_REG); + + /* Load Counter into CONTEXT1 reg */ + if (is_rfc3686) { + append_load_as_imm(desc, nonce, CTR_RFC3686_NONCE_SIZE, + LDST_CLASS_IND_CCB | + LDST_SRCDST_BYTE_OUTFIFO | LDST_IMM); + append_move(desc, + MOVE_SRC_OUTFIFO | + MOVE_DEST_CLASS1CTX | + (16 << MOVE_OFFSET_SHIFT) | + (CTR_RFC3686_NONCE_SIZE << MOVE_LEN_SHIFT)); + } + + set_jump_tgt_here(desc, key_jump_cmd); +} + +/** + * cnstr_shdsc_aead_encap - IPSec ESP encapsulation shared descriptor + * (non-protocol). + * @desc: pointer to buffer used for descriptor construction + * @cdata: pointer to block cipher transform definitions + * Valid algorithm values - one of OP_ALG_ALGSEL_{AES, DES, 3DES} ANDed + * with OP_ALG_AAI_CBC or OP_ALG_AAI_CTR_MOD128. + * @adata: pointer to authentication transform definitions. + * A split key is required for SEC Era < 6; the size of the split key + * is specified in this case. Valid algorithm values - one of + * OP_ALG_ALGSEL_{MD5, SHA1, SHA224, SHA256, SHA384, SHA512} ANDed + * with OP_ALG_AAI_HMAC_PRECOMP. + * @ivsize: initialization vector size + * @icvsize: integrity check value (ICV) size (truncated or full) + * @is_rfc3686: true when ctr(aes) is wrapped by rfc3686 template + * @nonce: pointer to rfc3686 nonce + * @ctx1_iv_off: IV offset in CONTEXT1 register + * @is_qi: true when called from caam/qi + * @era: SEC Era + */ +void cnstr_shdsc_aead_encap(u32 * const desc, struct alginfo *cdata, + struct alginfo *adata, unsigned int ivsize, + unsigned int icvsize, const bool is_rfc3686, + u32 *nonce, const u32 ctx1_iv_off, const bool is_qi, + int era) +{ + /* Note: Context registers are saved. */ + init_sh_desc_key_aead(desc, cdata, adata, is_rfc3686, nonce, era); + + /* Class 2 operation */ + append_operation(desc, adata->algtype | OP_ALG_AS_INITFINAL | + OP_ALG_ENCRYPT); + + if (is_qi) { + u32 *wait_load_cmd; + + /* REG3 = assoclen */ + append_seq_load(desc, 4, LDST_CLASS_DECO | + LDST_SRCDST_WORD_DECO_MATH3 | + (4 << LDST_OFFSET_SHIFT)); + + wait_load_cmd = append_jump(desc, JUMP_JSL | JUMP_TEST_ALL | + JUMP_COND_CALM | JUMP_COND_NCP | + JUMP_COND_NOP | JUMP_COND_NIP | + JUMP_COND_NIFP); + set_jump_tgt_here(desc, wait_load_cmd); + + append_seq_load(desc, ivsize, LDST_CLASS_1_CCB | + LDST_SRCDST_BYTE_CONTEXT | + (ctx1_iv_off << LDST_OFFSET_SHIFT)); + } + + /* Read and write assoclen bytes */ + if (is_qi || era < 3) { + append_math_add(desc, VARSEQINLEN, ZERO, REG3, CAAM_CMD_SZ); + append_math_add(desc, VARSEQOUTLEN, ZERO, REG3, CAAM_CMD_SZ); + } else { + append_math_add(desc, VARSEQINLEN, ZERO, DPOVRD, CAAM_CMD_SZ); + append_math_add(desc, VARSEQOUTLEN, ZERO, DPOVRD, CAAM_CMD_SZ); + } + + /* Skip assoc data */ + append_seq_fifo_store(desc, 0, FIFOST_TYPE_SKIP | FIFOLDST_VLF); + + /* read assoc before reading payload */ + append_seq_fifo_load(desc, 0, FIFOLD_CLASS_CLASS2 | FIFOLD_TYPE_MSG | + FIFOLDST_VLF); + + /* Load Counter into CONTEXT1 reg */ + if (is_rfc3686) + append_load_imm_be32(desc, 1, LDST_IMM | LDST_CLASS_1_CCB | + LDST_SRCDST_BYTE_CONTEXT | + ((ctx1_iv_off + CTR_RFC3686_IV_SIZE) << + LDST_OFFSET_SHIFT)); + + /* Class 1 operation */ + append_operation(desc, cdata->algtype | OP_ALG_AS_INITFINAL | + OP_ALG_ENCRYPT); + + /* Read and write cryptlen bytes */ + append_math_add(desc, VARSEQINLEN, SEQINLEN, REG0, CAAM_CMD_SZ); + append_math_add(desc, VARSEQOUTLEN, SEQINLEN, REG0, CAAM_CMD_SZ); + aead_append_src_dst(desc, FIFOLD_TYPE_MSG1OUT2); + + /* Write ICV */ + append_seq_store(desc, icvsize, LDST_CLASS_2_CCB | + LDST_SRCDST_BYTE_CONTEXT); + +#ifdef DEBUG + print_hex_dump(KERN_ERR, "aead enc shdesc@" __stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, desc, desc_bytes(desc), 1); +#endif +} +EXPORT_SYMBOL(cnstr_shdsc_aead_encap); + +/** + * cnstr_shdsc_aead_decap - IPSec ESP decapsulation shared descriptor + * (non-protocol). + * @desc: pointer to buffer used for descriptor construction + * @cdata: pointer to block cipher transform definitions + * Valid algorithm values - one of OP_ALG_ALGSEL_{AES, DES, 3DES} ANDed + * with OP_ALG_AAI_CBC or OP_ALG_AAI_CTR_MOD128. + * @adata: pointer to authentication transform definitions. + * A split key is required for SEC Era < 6; the size of the split key + * is specified in this case. Valid algorithm values - one of + * OP_ALG_ALGSEL_{MD5, SHA1, SHA224, SHA256, SHA384, SHA512} ANDed + * with OP_ALG_AAI_HMAC_PRECOMP. + * @ivsize: initialization vector size + * @icvsize: integrity check value (ICV) size (truncated or full) + * @is_rfc3686: true when ctr(aes) is wrapped by rfc3686 template + * @nonce: pointer to rfc3686 nonce + * @ctx1_iv_off: IV offset in CONTEXT1 register + * @is_qi: true when called from caam/qi + * @era: SEC Era + */ +void cnstr_shdsc_aead_decap(u32 * const desc, struct alginfo *cdata, + struct alginfo *adata, unsigned int ivsize, + unsigned int icvsize, const bool geniv, + const bool is_rfc3686, u32 *nonce, + const u32 ctx1_iv_off, const bool is_qi, int era) +{ + /* Note: Context registers are saved. */ + init_sh_desc_key_aead(desc, cdata, adata, is_rfc3686, nonce, era); + + /* Class 2 operation */ + append_operation(desc, adata->algtype | OP_ALG_AS_INITFINAL | + OP_ALG_DECRYPT | OP_ALG_ICV_ON); + + if (is_qi) { + u32 *wait_load_cmd; + + /* REG3 = assoclen */ + append_seq_load(desc, 4, LDST_CLASS_DECO | + LDST_SRCDST_WORD_DECO_MATH3 | + (4 << LDST_OFFSET_SHIFT)); + + wait_load_cmd = append_jump(desc, JUMP_JSL | JUMP_TEST_ALL | + JUMP_COND_CALM | JUMP_COND_NCP | + JUMP_COND_NOP | JUMP_COND_NIP | + JUMP_COND_NIFP); + set_jump_tgt_here(desc, wait_load_cmd); + + if (!geniv) + append_seq_load(desc, ivsize, LDST_CLASS_1_CCB | + LDST_SRCDST_BYTE_CONTEXT | + (ctx1_iv_off << LDST_OFFSET_SHIFT)); + } + + /* Read and write assoclen bytes */ + if (is_qi || era < 3) { + append_math_add(desc, VARSEQINLEN, ZERO, REG3, CAAM_CMD_SZ); + if (geniv) + append_math_add_imm_u32(desc, VARSEQOUTLEN, REG3, IMM, + ivsize); + else + append_math_add(desc, VARSEQOUTLEN, ZERO, REG3, + CAAM_CMD_SZ); + } else { + append_math_add(desc, VARSEQINLEN, ZERO, DPOVRD, CAAM_CMD_SZ); + if (geniv) + append_math_add_imm_u32(desc, VARSEQOUTLEN, DPOVRD, IMM, + ivsize); + else + append_math_add(desc, VARSEQOUTLEN, ZERO, DPOVRD, + CAAM_CMD_SZ); + } + + /* Skip assoc data */ + append_seq_fifo_store(desc, 0, FIFOST_TYPE_SKIP | FIFOLDST_VLF); + + /* read assoc before reading payload */ + append_seq_fifo_load(desc, 0, FIFOLD_CLASS_CLASS2 | FIFOLD_TYPE_MSG | + KEY_VLF); + + if (geniv) { + append_seq_load(desc, ivsize, LDST_CLASS_1_CCB | + LDST_SRCDST_BYTE_CONTEXT | + (ctx1_iv_off << LDST_OFFSET_SHIFT)); + append_move(desc, MOVE_SRC_CLASS1CTX | MOVE_DEST_CLASS2INFIFO | + (ctx1_iv_off << MOVE_OFFSET_SHIFT) | ivsize); + } + + /* Load Counter into CONTEXT1 reg */ + if (is_rfc3686) + append_load_imm_be32(desc, 1, LDST_IMM | LDST_CLASS_1_CCB | + LDST_SRCDST_BYTE_CONTEXT | + ((ctx1_iv_off + CTR_RFC3686_IV_SIZE) << + LDST_OFFSET_SHIFT)); + + /* Choose operation */ + if (ctx1_iv_off) + append_operation(desc, cdata->algtype | OP_ALG_AS_INITFINAL | + OP_ALG_DECRYPT); + else + append_dec_op1(desc, cdata->algtype); + + /* Read and write cryptlen bytes */ + append_math_add(desc, VARSEQINLEN, SEQOUTLEN, REG0, CAAM_CMD_SZ); + append_math_add(desc, VARSEQOUTLEN, SEQOUTLEN, REG0, CAAM_CMD_SZ); + aead_append_src_dst(desc, FIFOLD_TYPE_MSG); + + /* Load ICV */ + append_seq_fifo_load(desc, icvsize, FIFOLD_CLASS_CLASS2 | + FIFOLD_TYPE_LAST2 | FIFOLD_TYPE_ICV); + +#ifdef DEBUG + print_hex_dump(KERN_ERR, "aead dec shdesc@" __stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, desc, desc_bytes(desc), 1); +#endif +} +EXPORT_SYMBOL(cnstr_shdsc_aead_decap); + +/** + * cnstr_shdsc_aead_givencap - IPSec ESP encapsulation shared descriptor + * (non-protocol) with HW-generated initialization + * vector. + * @desc: pointer to buffer used for descriptor construction + * @cdata: pointer to block cipher transform definitions + * Valid algorithm values - one of OP_ALG_ALGSEL_{AES, DES, 3DES} ANDed + * with OP_ALG_AAI_CBC or OP_ALG_AAI_CTR_MOD128. + * @adata: pointer to authentication transform definitions. + * A split key is required for SEC Era < 6; the size of the split key + * is specified in this case. Valid algorithm values - one of + * OP_ALG_ALGSEL_{MD5, SHA1, SHA224, SHA256, SHA384, SHA512} ANDed + * with OP_ALG_AAI_HMAC_PRECOMP. + * @ivsize: initialization vector size + * @icvsize: integrity check value (ICV) size (truncated or full) + * @is_rfc3686: true when ctr(aes) is wrapped by rfc3686 template + * @nonce: pointer to rfc3686 nonce + * @ctx1_iv_off: IV offset in CONTEXT1 register + * @is_qi: true when called from caam/qi + * @era: SEC Era + */ +void cnstr_shdsc_aead_givencap(u32 * const desc, struct alginfo *cdata, + struct alginfo *adata, unsigned int ivsize, + unsigned int icvsize, const bool is_rfc3686, + u32 *nonce, const u32 ctx1_iv_off, + const bool is_qi, int era) +{ + u32 geniv, moveiv; + u32 *wait_cmd; + + /* Note: Context registers are saved. */ + init_sh_desc_key_aead(desc, cdata, adata, is_rfc3686, nonce, era); + + if (is_qi) { + u32 *wait_load_cmd; + + /* REG3 = assoclen */ + append_seq_load(desc, 4, LDST_CLASS_DECO | + LDST_SRCDST_WORD_DECO_MATH3 | + (4 << LDST_OFFSET_SHIFT)); + + wait_load_cmd = append_jump(desc, JUMP_JSL | JUMP_TEST_ALL | + JUMP_COND_CALM | JUMP_COND_NCP | + JUMP_COND_NOP | JUMP_COND_NIP | + JUMP_COND_NIFP); + set_jump_tgt_here(desc, wait_load_cmd); + } + + if (is_rfc3686) { + if (is_qi) + append_seq_load(desc, ivsize, LDST_CLASS_1_CCB | + LDST_SRCDST_BYTE_CONTEXT | + (ctx1_iv_off << LDST_OFFSET_SHIFT)); + + goto copy_iv; + } + + /* Generate IV */ + geniv = NFIFOENTRY_STYPE_PAD | NFIFOENTRY_DEST_DECO | + NFIFOENTRY_DTYPE_MSG | NFIFOENTRY_LC1 | + NFIFOENTRY_PTYPE_RND | (ivsize << NFIFOENTRY_DLEN_SHIFT); + append_load_imm_u32(desc, geniv, LDST_CLASS_IND_CCB | + LDST_SRCDST_WORD_INFO_FIFO | LDST_IMM); + append_cmd(desc, CMD_LOAD | DISABLE_AUTO_INFO_FIFO); + append_move(desc, MOVE_WAITCOMP | + MOVE_SRC_INFIFO | MOVE_DEST_CLASS1CTX | + (ctx1_iv_off << MOVE_OFFSET_SHIFT) | + (ivsize << MOVE_LEN_SHIFT)); + append_cmd(desc, CMD_LOAD | ENABLE_AUTO_INFO_FIFO); + +copy_iv: + /* Copy IV to class 1 context */ + append_move(desc, MOVE_SRC_CLASS1CTX | MOVE_DEST_OUTFIFO | + (ctx1_iv_off << MOVE_OFFSET_SHIFT) | + (ivsize << MOVE_LEN_SHIFT)); + + /* Return to encryption */ + append_operation(desc, adata->algtype | OP_ALG_AS_INITFINAL | + OP_ALG_ENCRYPT); + + /* Read and write assoclen bytes */ + if (is_qi || era < 3) { + append_math_add(desc, VARSEQINLEN, ZERO, REG3, CAAM_CMD_SZ); + append_math_add(desc, VARSEQOUTLEN, ZERO, REG3, CAAM_CMD_SZ); + } else { + append_math_add(desc, VARSEQINLEN, ZERO, DPOVRD, CAAM_CMD_SZ); + append_math_add(desc, VARSEQOUTLEN, ZERO, DPOVRD, CAAM_CMD_SZ); + } + + /* Skip assoc data */ + append_seq_fifo_store(desc, 0, FIFOST_TYPE_SKIP | FIFOLDST_VLF); + + /* read assoc before reading payload */ + append_seq_fifo_load(desc, 0, FIFOLD_CLASS_CLASS2 | FIFOLD_TYPE_MSG | + KEY_VLF); + + /* Copy iv from outfifo to class 2 fifo */ + moveiv = NFIFOENTRY_STYPE_OFIFO | NFIFOENTRY_DEST_CLASS2 | + NFIFOENTRY_DTYPE_MSG | (ivsize << NFIFOENTRY_DLEN_SHIFT); + append_load_imm_u32(desc, moveiv, LDST_CLASS_IND_CCB | + LDST_SRCDST_WORD_INFO_FIFO | LDST_IMM); + append_load_imm_u32(desc, ivsize, LDST_CLASS_2_CCB | + LDST_SRCDST_WORD_DATASZ_REG | LDST_IMM); + + /* Load Counter into CONTEXT1 reg */ + if (is_rfc3686) + append_load_imm_be32(desc, 1, LDST_IMM | LDST_CLASS_1_CCB | + LDST_SRCDST_BYTE_CONTEXT | + ((ctx1_iv_off + CTR_RFC3686_IV_SIZE) << + LDST_OFFSET_SHIFT)); + + /* Class 1 operation */ + append_operation(desc, cdata->algtype | OP_ALG_AS_INITFINAL | + OP_ALG_ENCRYPT); + + /* Will write ivsize + cryptlen */ + append_math_add(desc, VARSEQOUTLEN, SEQINLEN, REG0, CAAM_CMD_SZ); + + /* Not need to reload iv */ + append_seq_fifo_load(desc, ivsize, + FIFOLD_CLASS_SKIP); + + /* Will read cryptlen */ + append_math_add(desc, VARSEQINLEN, SEQINLEN, REG0, CAAM_CMD_SZ); + + /* + * Wait for IV transfer (ofifo -> class2) to finish before starting + * ciphertext transfer (ofifo -> external memory). + */ + wait_cmd = append_jump(desc, JUMP_JSL | JUMP_TEST_ALL | JUMP_COND_NIFP); + set_jump_tgt_here(desc, wait_cmd); + + append_seq_fifo_load(desc, 0, FIFOLD_CLASS_BOTH | KEY_VLF | + FIFOLD_TYPE_MSG1OUT2 | FIFOLD_TYPE_LASTBOTH); + append_seq_fifo_store(desc, 0, FIFOST_TYPE_MESSAGE_DATA | KEY_VLF); + + /* Write ICV */ + append_seq_store(desc, icvsize, LDST_CLASS_2_CCB | + LDST_SRCDST_BYTE_CONTEXT); + +#ifdef DEBUG + print_hex_dump(KERN_ERR, + "aead givenc shdesc@" __stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, desc, desc_bytes(desc), 1); +#endif +} +EXPORT_SYMBOL(cnstr_shdsc_aead_givencap); + +/** + * cnstr_shdsc_gcm_encap - gcm encapsulation shared descriptor + * @desc: pointer to buffer used for descriptor construction + * @cdata: pointer to block cipher transform definitions + * Valid algorithm values - OP_ALG_ALGSEL_AES ANDed with OP_ALG_AAI_GCM. + * @ivsize: initialization vector size + * @icvsize: integrity check value (ICV) size (truncated or full) + * @is_qi: true when called from caam/qi + */ +void cnstr_shdsc_gcm_encap(u32 * const desc, struct alginfo *cdata, + unsigned int ivsize, unsigned int icvsize, + const bool is_qi) +{ + u32 *key_jump_cmd, *zero_payload_jump_cmd, *zero_assoc_jump_cmd1, + *zero_assoc_jump_cmd2; + + init_sh_desc(desc, HDR_SHARE_SERIAL); + + /* skip key loading if they are loaded due to sharing */ + key_jump_cmd = append_jump(desc, JUMP_JSL | JUMP_TEST_ALL | + JUMP_COND_SHRD); + if (cdata->key_inline) + append_key_as_imm(desc, cdata->key_virt, cdata->keylen, + cdata->keylen, CLASS_1 | KEY_DEST_CLASS_REG); + else + append_key(desc, cdata->key_dma, cdata->keylen, CLASS_1 | + KEY_DEST_CLASS_REG); + set_jump_tgt_here(desc, key_jump_cmd); + + /* class 1 operation */ + append_operation(desc, cdata->algtype | OP_ALG_AS_INITFINAL | + OP_ALG_ENCRYPT); + + if (is_qi) { + u32 *wait_load_cmd; + + /* REG3 = assoclen */ + append_seq_load(desc, 4, LDST_CLASS_DECO | + LDST_SRCDST_WORD_DECO_MATH3 | + (4 << LDST_OFFSET_SHIFT)); + + wait_load_cmd = append_jump(desc, JUMP_JSL | JUMP_TEST_ALL | + JUMP_COND_CALM | JUMP_COND_NCP | + JUMP_COND_NOP | JUMP_COND_NIP | + JUMP_COND_NIFP); + set_jump_tgt_here(desc, wait_load_cmd); + + append_math_sub_imm_u32(desc, VARSEQOUTLEN, SEQINLEN, IMM, + ivsize); + } else { + append_math_sub(desc, VARSEQOUTLEN, SEQINLEN, REG0, + CAAM_CMD_SZ); + } + + /* if assoclen + cryptlen is ZERO, skip to ICV write */ + zero_assoc_jump_cmd2 = append_jump(desc, JUMP_TEST_ALL | + JUMP_COND_MATH_Z); + + if (is_qi) + append_seq_fifo_load(desc, ivsize, FIFOLD_CLASS_CLASS1 | + FIFOLD_TYPE_IV | FIFOLD_TYPE_FLUSH1); + + /* if assoclen is ZERO, skip reading the assoc data */ + append_math_add(desc, VARSEQINLEN, ZERO, REG3, CAAM_CMD_SZ); + zero_assoc_jump_cmd1 = append_jump(desc, JUMP_TEST_ALL | + JUMP_COND_MATH_Z); + + append_math_add(desc, VARSEQOUTLEN, ZERO, REG3, CAAM_CMD_SZ); + + /* skip assoc data */ + append_seq_fifo_store(desc, 0, FIFOST_TYPE_SKIP | FIFOLDST_VLF); + + /* cryptlen = seqinlen - assoclen */ + append_math_sub(desc, VARSEQOUTLEN, SEQINLEN, REG3, CAAM_CMD_SZ); + + /* if cryptlen is ZERO jump to zero-payload commands */ + zero_payload_jump_cmd = append_jump(desc, JUMP_TEST_ALL | + JUMP_COND_MATH_Z); + + /* read assoc data */ + append_seq_fifo_load(desc, 0, FIFOLD_CLASS_CLASS1 | FIFOLDST_VLF | + FIFOLD_TYPE_AAD | FIFOLD_TYPE_FLUSH1); + set_jump_tgt_here(desc, zero_assoc_jump_cmd1); + + append_math_sub(desc, VARSEQINLEN, SEQINLEN, REG0, CAAM_CMD_SZ); + + /* write encrypted data */ + append_seq_fifo_store(desc, 0, FIFOST_TYPE_MESSAGE_DATA | FIFOLDST_VLF); + + /* read payload data */ + append_seq_fifo_load(desc, 0, FIFOLD_CLASS_CLASS1 | FIFOLDST_VLF | + FIFOLD_TYPE_MSG | FIFOLD_TYPE_LAST1); + + /* jump to ICV writing */ + if (is_qi) + append_jump(desc, JUMP_TEST_ALL | 4); + else + append_jump(desc, JUMP_TEST_ALL | 2); + + /* zero-payload commands */ + set_jump_tgt_here(desc, zero_payload_jump_cmd); + + /* read assoc data */ + append_seq_fifo_load(desc, 0, FIFOLD_CLASS_CLASS1 | FIFOLDST_VLF | + FIFOLD_TYPE_AAD | FIFOLD_TYPE_LAST1); + if (is_qi) + /* jump to ICV writing */ + append_jump(desc, JUMP_TEST_ALL | 2); + + /* There is no input data */ + set_jump_tgt_here(desc, zero_assoc_jump_cmd2); + + if (is_qi) + append_seq_fifo_load(desc, ivsize, FIFOLD_CLASS_CLASS1 | + FIFOLD_TYPE_IV | FIFOLD_TYPE_FLUSH1 | + FIFOLD_TYPE_LAST1); + + /* write ICV */ + append_seq_store(desc, icvsize, LDST_CLASS_1_CCB | + LDST_SRCDST_BYTE_CONTEXT); + +#ifdef DEBUG + print_hex_dump(KERN_ERR, "gcm enc shdesc@" __stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, desc, desc_bytes(desc), 1); +#endif +} +EXPORT_SYMBOL(cnstr_shdsc_gcm_encap); + +/** + * cnstr_shdsc_gcm_decap - gcm decapsulation shared descriptor + * @desc: pointer to buffer used for descriptor construction + * @cdata: pointer to block cipher transform definitions + * Valid algorithm values - OP_ALG_ALGSEL_AES ANDed with OP_ALG_AAI_GCM. + * @ivsize: initialization vector size + * @icvsize: integrity check value (ICV) size (truncated or full) + * @is_qi: true when called from caam/qi + */ +void cnstr_shdsc_gcm_decap(u32 * const desc, struct alginfo *cdata, + unsigned int ivsize, unsigned int icvsize, + const bool is_qi) +{ + u32 *key_jump_cmd, *zero_payload_jump_cmd, *zero_assoc_jump_cmd1; + + init_sh_desc(desc, HDR_SHARE_SERIAL); + + /* skip key loading if they are loaded due to sharing */ + key_jump_cmd = append_jump(desc, JUMP_JSL | + JUMP_TEST_ALL | JUMP_COND_SHRD); + if (cdata->key_inline) + append_key_as_imm(desc, cdata->key_virt, cdata->keylen, + cdata->keylen, CLASS_1 | KEY_DEST_CLASS_REG); + else + append_key(desc, cdata->key_dma, cdata->keylen, CLASS_1 | + KEY_DEST_CLASS_REG); + set_jump_tgt_here(desc, key_jump_cmd); + + /* class 1 operation */ + append_operation(desc, cdata->algtype | OP_ALG_AS_INITFINAL | + OP_ALG_DECRYPT | OP_ALG_ICV_ON); + + if (is_qi) { + u32 *wait_load_cmd; + + /* REG3 = assoclen */ + append_seq_load(desc, 4, LDST_CLASS_DECO | + LDST_SRCDST_WORD_DECO_MATH3 | + (4 << LDST_OFFSET_SHIFT)); + + wait_load_cmd = append_jump(desc, JUMP_JSL | JUMP_TEST_ALL | + JUMP_COND_CALM | JUMP_COND_NCP | + JUMP_COND_NOP | JUMP_COND_NIP | + JUMP_COND_NIFP); + set_jump_tgt_here(desc, wait_load_cmd); + + append_seq_fifo_load(desc, ivsize, FIFOLD_CLASS_CLASS1 | + FIFOLD_TYPE_IV | FIFOLD_TYPE_FLUSH1); + } + + /* if assoclen is ZERO, skip reading the assoc data */ + append_math_add(desc, VARSEQINLEN, ZERO, REG3, CAAM_CMD_SZ); + zero_assoc_jump_cmd1 = append_jump(desc, JUMP_TEST_ALL | + JUMP_COND_MATH_Z); + + append_math_add(desc, VARSEQOUTLEN, ZERO, REG3, CAAM_CMD_SZ); + + /* skip assoc data */ + append_seq_fifo_store(desc, 0, FIFOST_TYPE_SKIP | FIFOLDST_VLF); + + /* read assoc data */ + append_seq_fifo_load(desc, 0, FIFOLD_CLASS_CLASS1 | FIFOLDST_VLF | + FIFOLD_TYPE_AAD | FIFOLD_TYPE_FLUSH1); + + set_jump_tgt_here(desc, zero_assoc_jump_cmd1); + + /* cryptlen = seqoutlen - assoclen */ + append_math_sub(desc, VARSEQINLEN, SEQOUTLEN, REG0, CAAM_CMD_SZ); + + /* jump to zero-payload command if cryptlen is zero */ + zero_payload_jump_cmd = append_jump(desc, JUMP_TEST_ALL | + JUMP_COND_MATH_Z); + + append_math_sub(desc, VARSEQOUTLEN, SEQOUTLEN, REG0, CAAM_CMD_SZ); + + /* store encrypted data */ + append_seq_fifo_store(desc, 0, FIFOST_TYPE_MESSAGE_DATA | FIFOLDST_VLF); + + /* read payload data */ + append_seq_fifo_load(desc, 0, FIFOLD_CLASS_CLASS1 | FIFOLDST_VLF | + FIFOLD_TYPE_MSG | FIFOLD_TYPE_FLUSH1); + + /* zero-payload command */ + set_jump_tgt_here(desc, zero_payload_jump_cmd); + + /* read ICV */ + append_seq_fifo_load(desc, icvsize, FIFOLD_CLASS_CLASS1 | + FIFOLD_TYPE_ICV | FIFOLD_TYPE_LAST1); + +#ifdef DEBUG + print_hex_dump(KERN_ERR, "gcm dec shdesc@" __stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, desc, desc_bytes(desc), 1); +#endif +} +EXPORT_SYMBOL(cnstr_shdsc_gcm_decap); + +/** + * cnstr_shdsc_rfc4106_encap - IPSec ESP gcm encapsulation shared descriptor + * (non-protocol). + * @desc: pointer to buffer used for descriptor construction + * @cdata: pointer to block cipher transform definitions + * Valid algorithm values - OP_ALG_ALGSEL_AES ANDed with OP_ALG_AAI_GCM. + * @ivsize: initialization vector size + * @icvsize: integrity check value (ICV) size (truncated or full) + * @is_qi: true when called from caam/qi + */ +void cnstr_shdsc_rfc4106_encap(u32 * const desc, struct alginfo *cdata, + unsigned int ivsize, unsigned int icvsize, + const bool is_qi) +{ + u32 *key_jump_cmd; + + init_sh_desc(desc, HDR_SHARE_SERIAL); + + /* Skip key loading if it is loaded due to sharing */ + key_jump_cmd = append_jump(desc, JUMP_JSL | JUMP_TEST_ALL | + JUMP_COND_SHRD); + if (cdata->key_inline) + append_key_as_imm(desc, cdata->key_virt, cdata->keylen, + cdata->keylen, CLASS_1 | KEY_DEST_CLASS_REG); + else + append_key(desc, cdata->key_dma, cdata->keylen, CLASS_1 | + KEY_DEST_CLASS_REG); + set_jump_tgt_here(desc, key_jump_cmd); + + /* Class 1 operation */ + append_operation(desc, cdata->algtype | OP_ALG_AS_INITFINAL | + OP_ALG_ENCRYPT); + + if (is_qi) { + u32 *wait_load_cmd; + + /* REG3 = assoclen */ + append_seq_load(desc, 4, LDST_CLASS_DECO | + LDST_SRCDST_WORD_DECO_MATH3 | + (4 << LDST_OFFSET_SHIFT)); + + wait_load_cmd = append_jump(desc, JUMP_JSL | JUMP_TEST_ALL | + JUMP_COND_CALM | JUMP_COND_NCP | + JUMP_COND_NOP | JUMP_COND_NIP | + JUMP_COND_NIFP); + set_jump_tgt_here(desc, wait_load_cmd); + + /* Read salt and IV */ + append_fifo_load_as_imm(desc, (void *)(cdata->key_virt + + cdata->keylen), 4, FIFOLD_CLASS_CLASS1 | + FIFOLD_TYPE_IV); + append_seq_fifo_load(desc, ivsize, FIFOLD_CLASS_CLASS1 | + FIFOLD_TYPE_IV | FIFOLD_TYPE_FLUSH1); + } + + append_math_sub_imm_u32(desc, VARSEQINLEN, REG3, IMM, ivsize); + append_math_add(desc, VARSEQOUTLEN, ZERO, REG3, CAAM_CMD_SZ); + + /* Read assoc data */ + append_seq_fifo_load(desc, 0, FIFOLD_CLASS_CLASS1 | FIFOLDST_VLF | + FIFOLD_TYPE_AAD | FIFOLD_TYPE_FLUSH1); + + /* Skip IV */ + append_seq_fifo_load(desc, ivsize, FIFOLD_CLASS_SKIP); + + /* Will read cryptlen bytes */ + append_math_sub(desc, VARSEQINLEN, SEQINLEN, REG0, CAAM_CMD_SZ); + + /* Workaround for erratum A-005473 (simultaneous SEQ FIFO skips) */ + append_seq_fifo_load(desc, 0, FIFOLD_CLASS_CLASS1 | FIFOLD_TYPE_MSG); + + /* Skip assoc data */ + append_seq_fifo_store(desc, 0, FIFOST_TYPE_SKIP | FIFOLDST_VLF); + + /* cryptlen = seqoutlen - assoclen */ + append_math_sub(desc, VARSEQOUTLEN, VARSEQINLEN, REG0, CAAM_CMD_SZ); + + /* Write encrypted data */ + append_seq_fifo_store(desc, 0, FIFOST_TYPE_MESSAGE_DATA | FIFOLDST_VLF); + + /* Read payload data */ + append_seq_fifo_load(desc, 0, FIFOLD_CLASS_CLASS1 | FIFOLDST_VLF | + FIFOLD_TYPE_MSG | FIFOLD_TYPE_LAST1); + + /* Write ICV */ + append_seq_store(desc, icvsize, LDST_CLASS_1_CCB | + LDST_SRCDST_BYTE_CONTEXT); + +#ifdef DEBUG + print_hex_dump(KERN_ERR, + "rfc4106 enc shdesc@" __stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, desc, desc_bytes(desc), 1); +#endif +} +EXPORT_SYMBOL(cnstr_shdsc_rfc4106_encap); + +/** + * cnstr_shdsc_rfc4106_decap - IPSec ESP gcm decapsulation shared descriptor + * (non-protocol). + * @desc: pointer to buffer used for descriptor construction + * @cdata: pointer to block cipher transform definitions + * Valid algorithm values - OP_ALG_ALGSEL_AES ANDed with OP_ALG_AAI_GCM. + * @ivsize: initialization vector size + * @icvsize: integrity check value (ICV) size (truncated or full) + * @is_qi: true when called from caam/qi + */ +void cnstr_shdsc_rfc4106_decap(u32 * const desc, struct alginfo *cdata, + unsigned int ivsize, unsigned int icvsize, + const bool is_qi) +{ + u32 *key_jump_cmd; + + init_sh_desc(desc, HDR_SHARE_SERIAL); + + /* Skip key loading if it is loaded due to sharing */ + key_jump_cmd = append_jump(desc, JUMP_JSL | JUMP_TEST_ALL | + JUMP_COND_SHRD); + if (cdata->key_inline) + append_key_as_imm(desc, cdata->key_virt, cdata->keylen, + cdata->keylen, CLASS_1 | + KEY_DEST_CLASS_REG); + else + append_key(desc, cdata->key_dma, cdata->keylen, CLASS_1 | + KEY_DEST_CLASS_REG); + set_jump_tgt_here(desc, key_jump_cmd); + + /* Class 1 operation */ + append_operation(desc, cdata->algtype | OP_ALG_AS_INITFINAL | + OP_ALG_DECRYPT | OP_ALG_ICV_ON); + + if (is_qi) { + u32 *wait_load_cmd; + + /* REG3 = assoclen */ + append_seq_load(desc, 4, LDST_CLASS_DECO | + LDST_SRCDST_WORD_DECO_MATH3 | + (4 << LDST_OFFSET_SHIFT)); + + wait_load_cmd = append_jump(desc, JUMP_JSL | JUMP_TEST_ALL | + JUMP_COND_CALM | JUMP_COND_NCP | + JUMP_COND_NOP | JUMP_COND_NIP | + JUMP_COND_NIFP); + set_jump_tgt_here(desc, wait_load_cmd); + + /* Read salt and IV */ + append_fifo_load_as_imm(desc, (void *)(cdata->key_virt + + cdata->keylen), 4, FIFOLD_CLASS_CLASS1 | + FIFOLD_TYPE_IV); + append_seq_fifo_load(desc, ivsize, FIFOLD_CLASS_CLASS1 | + FIFOLD_TYPE_IV | FIFOLD_TYPE_FLUSH1); + } + + append_math_sub_imm_u32(desc, VARSEQINLEN, REG3, IMM, ivsize); + append_math_add(desc, VARSEQOUTLEN, ZERO, REG3, CAAM_CMD_SZ); + + /* Read assoc data */ + append_seq_fifo_load(desc, 0, FIFOLD_CLASS_CLASS1 | FIFOLDST_VLF | + FIFOLD_TYPE_AAD | FIFOLD_TYPE_FLUSH1); + + /* Skip IV */ + append_seq_fifo_load(desc, ivsize, FIFOLD_CLASS_SKIP); + + /* Will read cryptlen bytes */ + append_math_sub(desc, VARSEQINLEN, SEQOUTLEN, REG3, CAAM_CMD_SZ); + + /* Workaround for erratum A-005473 (simultaneous SEQ FIFO skips) */ + append_seq_fifo_load(desc, 0, FIFOLD_CLASS_CLASS1 | FIFOLD_TYPE_MSG); + + /* Skip assoc data */ + append_seq_fifo_store(desc, 0, FIFOST_TYPE_SKIP | FIFOLDST_VLF); + + /* Will write cryptlen bytes */ + append_math_sub(desc, VARSEQOUTLEN, SEQOUTLEN, REG0, CAAM_CMD_SZ); + + /* Store payload data */ + append_seq_fifo_store(desc, 0, FIFOST_TYPE_MESSAGE_DATA | FIFOLDST_VLF); + + /* Read encrypted data */ + append_seq_fifo_load(desc, 0, FIFOLD_CLASS_CLASS1 | FIFOLDST_VLF | + FIFOLD_TYPE_MSG | FIFOLD_TYPE_FLUSH1); + + /* Read ICV */ + append_seq_fifo_load(desc, icvsize, FIFOLD_CLASS_CLASS1 | + FIFOLD_TYPE_ICV | FIFOLD_TYPE_LAST1); + +#ifdef DEBUG + print_hex_dump(KERN_ERR, + "rfc4106 dec shdesc@" __stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, desc, desc_bytes(desc), 1); +#endif +} +EXPORT_SYMBOL(cnstr_shdsc_rfc4106_decap); + +/** + * cnstr_shdsc_rfc4543_encap - IPSec ESP gmac encapsulation shared descriptor + * (non-protocol). + * @desc: pointer to buffer used for descriptor construction + * @cdata: pointer to block cipher transform definitions + * Valid algorithm values - OP_ALG_ALGSEL_AES ANDed with OP_ALG_AAI_GCM. + * @ivsize: initialization vector size + * @icvsize: integrity check value (ICV) size (truncated or full) + * @is_qi: true when called from caam/qi + */ +void cnstr_shdsc_rfc4543_encap(u32 * const desc, struct alginfo *cdata, + unsigned int ivsize, unsigned int icvsize, + const bool is_qi) +{ + u32 *key_jump_cmd, *read_move_cmd, *write_move_cmd; + + init_sh_desc(desc, HDR_SHARE_SERIAL); + + /* Skip key loading if it is loaded due to sharing */ + key_jump_cmd = append_jump(desc, JUMP_JSL | JUMP_TEST_ALL | + JUMP_COND_SHRD); + if (cdata->key_inline) + append_key_as_imm(desc, cdata->key_virt, cdata->keylen, + cdata->keylen, CLASS_1 | KEY_DEST_CLASS_REG); + else + append_key(desc, cdata->key_dma, cdata->keylen, CLASS_1 | + KEY_DEST_CLASS_REG); + set_jump_tgt_here(desc, key_jump_cmd); + + /* Class 1 operation */ + append_operation(desc, cdata->algtype | OP_ALG_AS_INITFINAL | + OP_ALG_ENCRYPT); + + if (is_qi) { + /* assoclen is not needed, skip it */ + append_seq_fifo_load(desc, 4, FIFOLD_CLASS_SKIP); + + /* Read salt and IV */ + append_fifo_load_as_imm(desc, (void *)(cdata->key_virt + + cdata->keylen), 4, FIFOLD_CLASS_CLASS1 | + FIFOLD_TYPE_IV); + append_seq_fifo_load(desc, ivsize, FIFOLD_CLASS_CLASS1 | + FIFOLD_TYPE_IV | FIFOLD_TYPE_FLUSH1); + } + + /* assoclen + cryptlen = seqinlen */ + append_math_sub(desc, REG3, SEQINLEN, REG0, CAAM_CMD_SZ); + + /* + * MOVE_LEN opcode is not available in all SEC HW revisions, + * thus need to do some magic, i.e. self-patch the descriptor + * buffer. + */ + read_move_cmd = append_move(desc, MOVE_SRC_DESCBUF | MOVE_DEST_MATH3 | + (0x6 << MOVE_LEN_SHIFT)); + write_move_cmd = append_move(desc, MOVE_SRC_MATH3 | MOVE_DEST_DESCBUF | + (0x8 << MOVE_LEN_SHIFT) | MOVE_WAITCOMP); + + /* Will read assoclen + cryptlen bytes */ + append_math_sub(desc, VARSEQINLEN, SEQINLEN, REG0, CAAM_CMD_SZ); + + /* Will write assoclen + cryptlen bytes */ + append_math_sub(desc, VARSEQOUTLEN, SEQINLEN, REG0, CAAM_CMD_SZ); + + /* Read and write assoclen + cryptlen bytes */ + aead_append_src_dst(desc, FIFOLD_TYPE_AAD); + + set_move_tgt_here(desc, read_move_cmd); + set_move_tgt_here(desc, write_move_cmd); + append_cmd(desc, CMD_LOAD | DISABLE_AUTO_INFO_FIFO); + /* Move payload data to OFIFO */ + append_move(desc, MOVE_SRC_INFIFO_CL | MOVE_DEST_OUTFIFO); + + /* Write ICV */ + append_seq_store(desc, icvsize, LDST_CLASS_1_CCB | + LDST_SRCDST_BYTE_CONTEXT); + +#ifdef DEBUG + print_hex_dump(KERN_ERR, + "rfc4543 enc shdesc@" __stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, desc, desc_bytes(desc), 1); +#endif +} +EXPORT_SYMBOL(cnstr_shdsc_rfc4543_encap); + +/** + * cnstr_shdsc_rfc4543_decap - IPSec ESP gmac decapsulation shared descriptor + * (non-protocol). + * @desc: pointer to buffer used for descriptor construction + * @cdata: pointer to block cipher transform definitions + * Valid algorithm values - OP_ALG_ALGSEL_AES ANDed with OP_ALG_AAI_GCM. + * @ivsize: initialization vector size + * @icvsize: integrity check value (ICV) size (truncated or full) + * @is_qi: true when called from caam/qi + */ +void cnstr_shdsc_rfc4543_decap(u32 * const desc, struct alginfo *cdata, + unsigned int ivsize, unsigned int icvsize, + const bool is_qi) +{ + u32 *key_jump_cmd, *read_move_cmd, *write_move_cmd; + + init_sh_desc(desc, HDR_SHARE_SERIAL); + + /* Skip key loading if it is loaded due to sharing */ + key_jump_cmd = append_jump(desc, JUMP_JSL | JUMP_TEST_ALL | + JUMP_COND_SHRD); + if (cdata->key_inline) + append_key_as_imm(desc, cdata->key_virt, cdata->keylen, + cdata->keylen, CLASS_1 | KEY_DEST_CLASS_REG); + else + append_key(desc, cdata->key_dma, cdata->keylen, CLASS_1 | + KEY_DEST_CLASS_REG); + set_jump_tgt_here(desc, key_jump_cmd); + + /* Class 1 operation */ + append_operation(desc, cdata->algtype | OP_ALG_AS_INITFINAL | + OP_ALG_DECRYPT | OP_ALG_ICV_ON); + + if (is_qi) { + /* assoclen is not needed, skip it */ + append_seq_fifo_load(desc, 4, FIFOLD_CLASS_SKIP); + + /* Read salt and IV */ + append_fifo_load_as_imm(desc, (void *)(cdata->key_virt + + cdata->keylen), 4, FIFOLD_CLASS_CLASS1 | + FIFOLD_TYPE_IV); + append_seq_fifo_load(desc, ivsize, FIFOLD_CLASS_CLASS1 | + FIFOLD_TYPE_IV | FIFOLD_TYPE_FLUSH1); + } + + /* assoclen + cryptlen = seqoutlen */ + append_math_sub(desc, REG3, SEQOUTLEN, REG0, CAAM_CMD_SZ); + + /* + * MOVE_LEN opcode is not available in all SEC HW revisions, + * thus need to do some magic, i.e. self-patch the descriptor + * buffer. + */ + read_move_cmd = append_move(desc, MOVE_SRC_DESCBUF | MOVE_DEST_MATH3 | + (0x6 << MOVE_LEN_SHIFT)); + write_move_cmd = append_move(desc, MOVE_SRC_MATH3 | MOVE_DEST_DESCBUF | + (0x8 << MOVE_LEN_SHIFT) | MOVE_WAITCOMP); + + /* Will read assoclen + cryptlen bytes */ + append_math_sub(desc, VARSEQINLEN, SEQOUTLEN, REG0, CAAM_CMD_SZ); + + /* Will write assoclen + cryptlen bytes */ + append_math_sub(desc, VARSEQOUTLEN, SEQOUTLEN, REG0, CAAM_CMD_SZ); + + /* Store payload data */ + append_seq_fifo_store(desc, 0, FIFOST_TYPE_MESSAGE_DATA | FIFOLDST_VLF); + + /* In-snoop assoclen + cryptlen data */ + append_seq_fifo_load(desc, 0, FIFOLD_CLASS_BOTH | FIFOLDST_VLF | + FIFOLD_TYPE_AAD | FIFOLD_TYPE_LAST2FLUSH1); + + set_move_tgt_here(desc, read_move_cmd); + set_move_tgt_here(desc, write_move_cmd); + append_cmd(desc, CMD_LOAD | DISABLE_AUTO_INFO_FIFO); + /* Move payload data to OFIFO */ + append_move(desc, MOVE_SRC_INFIFO_CL | MOVE_DEST_OUTFIFO); + append_cmd(desc, CMD_LOAD | ENABLE_AUTO_INFO_FIFO); + + /* Read ICV */ + append_seq_fifo_load(desc, icvsize, FIFOLD_CLASS_CLASS1 | + FIFOLD_TYPE_ICV | FIFOLD_TYPE_LAST1); + +#ifdef DEBUG + print_hex_dump(KERN_ERR, + "rfc4543 dec shdesc@" __stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, desc, desc_bytes(desc), 1); +#endif +} +EXPORT_SYMBOL(cnstr_shdsc_rfc4543_decap); + +/* + * For ablkcipher encrypt and decrypt, read from req->src and + * write to req->dst + */ +static inline void ablkcipher_append_src_dst(u32 *desc) +{ + append_math_add(desc, VARSEQOUTLEN, SEQINLEN, REG0, CAAM_CMD_SZ); + append_math_add(desc, VARSEQINLEN, SEQINLEN, REG0, CAAM_CMD_SZ); + append_seq_fifo_load(desc, 0, FIFOLD_CLASS_CLASS1 | + KEY_VLF | FIFOLD_TYPE_MSG | FIFOLD_TYPE_LAST1); + append_seq_fifo_store(desc, 0, FIFOST_TYPE_MESSAGE_DATA | KEY_VLF); +} + +/** + * cnstr_shdsc_ablkcipher_encap - ablkcipher encapsulation shared descriptor + * @desc: pointer to buffer used for descriptor construction + * @cdata: pointer to block cipher transform definitions + * Valid algorithm values - one of OP_ALG_ALGSEL_{AES, DES, 3DES} ANDed + * with OP_ALG_AAI_CBC or OP_ALG_AAI_CTR_MOD128. + * @ivsize: initialization vector size + * @is_rfc3686: true when ctr(aes) is wrapped by rfc3686 template + * @ctx1_iv_off: IV offset in CONTEXT1 register + */ +void cnstr_shdsc_ablkcipher_encap(u32 * const desc, struct alginfo *cdata, + unsigned int ivsize, const bool is_rfc3686, + const u32 ctx1_iv_off) +{ + u32 *key_jump_cmd; + + init_sh_desc(desc, HDR_SHARE_SERIAL | HDR_SAVECTX); + /* Skip if already shared */ + key_jump_cmd = append_jump(desc, JUMP_JSL | JUMP_TEST_ALL | + JUMP_COND_SHRD); + + /* Load class1 key only */ + append_key_as_imm(desc, cdata->key_virt, cdata->keylen, + cdata->keylen, CLASS_1 | KEY_DEST_CLASS_REG); + + /* Load nonce into CONTEXT1 reg */ + if (is_rfc3686) { + const u8 *nonce = cdata->key_virt + cdata->keylen; + + append_load_as_imm(desc, nonce, CTR_RFC3686_NONCE_SIZE, + LDST_CLASS_IND_CCB | + LDST_SRCDST_BYTE_OUTFIFO | LDST_IMM); + append_move(desc, MOVE_WAITCOMP | MOVE_SRC_OUTFIFO | + MOVE_DEST_CLASS1CTX | (16 << MOVE_OFFSET_SHIFT) | + (CTR_RFC3686_NONCE_SIZE << MOVE_LEN_SHIFT)); + } + + set_jump_tgt_here(desc, key_jump_cmd); + + /* Load iv */ + append_seq_load(desc, ivsize, LDST_SRCDST_BYTE_CONTEXT | + LDST_CLASS_1_CCB | (ctx1_iv_off << LDST_OFFSET_SHIFT)); + + /* Load counter into CONTEXT1 reg */ + if (is_rfc3686) + append_load_imm_be32(desc, 1, LDST_IMM | LDST_CLASS_1_CCB | + LDST_SRCDST_BYTE_CONTEXT | + ((ctx1_iv_off + CTR_RFC3686_IV_SIZE) << + LDST_OFFSET_SHIFT)); + + /* Load operation */ + append_operation(desc, cdata->algtype | OP_ALG_AS_INITFINAL | + OP_ALG_ENCRYPT); + + /* Perform operation */ + ablkcipher_append_src_dst(desc); + +#ifdef DEBUG + print_hex_dump(KERN_ERR, + "ablkcipher enc shdesc@" __stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, desc, desc_bytes(desc), 1); +#endif +} +EXPORT_SYMBOL(cnstr_shdsc_ablkcipher_encap); + +/** + * cnstr_shdsc_ablkcipher_decap - ablkcipher decapsulation shared descriptor + * @desc: pointer to buffer used for descriptor construction + * @cdata: pointer to block cipher transform definitions + * Valid algorithm values - one of OP_ALG_ALGSEL_{AES, DES, 3DES} ANDed + * with OP_ALG_AAI_CBC or OP_ALG_AAI_CTR_MOD128. + * @ivsize: initialization vector size + * @is_rfc3686: true when ctr(aes) is wrapped by rfc3686 template + * @ctx1_iv_off: IV offset in CONTEXT1 register + */ +void cnstr_shdsc_ablkcipher_decap(u32 * const desc, struct alginfo *cdata, + unsigned int ivsize, const bool is_rfc3686, + const u32 ctx1_iv_off) +{ + u32 *key_jump_cmd; + + init_sh_desc(desc, HDR_SHARE_SERIAL | HDR_SAVECTX); + /* Skip if already shared */ + key_jump_cmd = append_jump(desc, JUMP_JSL | JUMP_TEST_ALL | + JUMP_COND_SHRD); + + /* Load class1 key only */ + append_key_as_imm(desc, cdata->key_virt, cdata->keylen, + cdata->keylen, CLASS_1 | KEY_DEST_CLASS_REG); + + /* Load nonce into CONTEXT1 reg */ + if (is_rfc3686) { + const u8 *nonce = cdata->key_virt + cdata->keylen; + + append_load_as_imm(desc, nonce, CTR_RFC3686_NONCE_SIZE, + LDST_CLASS_IND_CCB | + LDST_SRCDST_BYTE_OUTFIFO | LDST_IMM); + append_move(desc, MOVE_WAITCOMP | MOVE_SRC_OUTFIFO | + MOVE_DEST_CLASS1CTX | (16 << MOVE_OFFSET_SHIFT) | + (CTR_RFC3686_NONCE_SIZE << MOVE_LEN_SHIFT)); + } + + set_jump_tgt_here(desc, key_jump_cmd); + + /* load IV */ + append_seq_load(desc, ivsize, LDST_SRCDST_BYTE_CONTEXT | + LDST_CLASS_1_CCB | (ctx1_iv_off << LDST_OFFSET_SHIFT)); + + /* Load counter into CONTEXT1 reg */ + if (is_rfc3686) + append_load_imm_be32(desc, 1, LDST_IMM | LDST_CLASS_1_CCB | + LDST_SRCDST_BYTE_CONTEXT | + ((ctx1_iv_off + CTR_RFC3686_IV_SIZE) << + LDST_OFFSET_SHIFT)); + + /* Choose operation */ + if (ctx1_iv_off) + append_operation(desc, cdata->algtype | OP_ALG_AS_INITFINAL | + OP_ALG_DECRYPT); + else + append_dec_op1(desc, cdata->algtype); + + /* Perform operation */ + ablkcipher_append_src_dst(desc); + +#ifdef DEBUG + print_hex_dump(KERN_ERR, + "ablkcipher dec shdesc@" __stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, desc, desc_bytes(desc), 1); +#endif +} +EXPORT_SYMBOL(cnstr_shdsc_ablkcipher_decap); + +/** + * cnstr_shdsc_ablkcipher_givencap - ablkcipher encapsulation shared descriptor + * with HW-generated initialization vector. + * @desc: pointer to buffer used for descriptor construction + * @cdata: pointer to block cipher transform definitions + * Valid algorithm values - one of OP_ALG_ALGSEL_{AES, DES, 3DES} ANDed + * with OP_ALG_AAI_CBC. + * @ivsize: initialization vector size + * @is_rfc3686: true when ctr(aes) is wrapped by rfc3686 template + * @ctx1_iv_off: IV offset in CONTEXT1 register + */ +void cnstr_shdsc_ablkcipher_givencap(u32 * const desc, struct alginfo *cdata, + unsigned int ivsize, const bool is_rfc3686, + const u32 ctx1_iv_off) +{ + u32 *key_jump_cmd, geniv; + + init_sh_desc(desc, HDR_SHARE_SERIAL | HDR_SAVECTX); + /* Skip if already shared */ + key_jump_cmd = append_jump(desc, JUMP_JSL | JUMP_TEST_ALL | + JUMP_COND_SHRD); + + /* Load class1 key only */ + append_key_as_imm(desc, cdata->key_virt, cdata->keylen, + cdata->keylen, CLASS_1 | KEY_DEST_CLASS_REG); + + /* Load Nonce into CONTEXT1 reg */ + if (is_rfc3686) { + const u8 *nonce = cdata->key_virt + cdata->keylen; + + append_load_as_imm(desc, nonce, CTR_RFC3686_NONCE_SIZE, + LDST_CLASS_IND_CCB | + LDST_SRCDST_BYTE_OUTFIFO | LDST_IMM); + append_move(desc, MOVE_WAITCOMP | MOVE_SRC_OUTFIFO | + MOVE_DEST_CLASS1CTX | (16 << MOVE_OFFSET_SHIFT) | + (CTR_RFC3686_NONCE_SIZE << MOVE_LEN_SHIFT)); + } + set_jump_tgt_here(desc, key_jump_cmd); + + /* Generate IV */ + geniv = NFIFOENTRY_STYPE_PAD | NFIFOENTRY_DEST_DECO | + NFIFOENTRY_DTYPE_MSG | NFIFOENTRY_LC1 | NFIFOENTRY_PTYPE_RND | + (ivsize << NFIFOENTRY_DLEN_SHIFT); + append_load_imm_u32(desc, geniv, LDST_CLASS_IND_CCB | + LDST_SRCDST_WORD_INFO_FIFO | LDST_IMM); + append_cmd(desc, CMD_LOAD | DISABLE_AUTO_INFO_FIFO); + append_move(desc, MOVE_WAITCOMP | MOVE_SRC_INFIFO | + MOVE_DEST_CLASS1CTX | (ivsize << MOVE_LEN_SHIFT) | + (ctx1_iv_off << MOVE_OFFSET_SHIFT)); + append_cmd(desc, CMD_LOAD | ENABLE_AUTO_INFO_FIFO); + + /* Copy generated IV to memory */ + append_seq_store(desc, ivsize, LDST_SRCDST_BYTE_CONTEXT | + LDST_CLASS_1_CCB | (ctx1_iv_off << LDST_OFFSET_SHIFT)); + + /* Load Counter into CONTEXT1 reg */ + if (is_rfc3686) + append_load_imm_be32(desc, 1, LDST_IMM | LDST_CLASS_1_CCB | + LDST_SRCDST_BYTE_CONTEXT | + ((ctx1_iv_off + CTR_RFC3686_IV_SIZE) << + LDST_OFFSET_SHIFT)); + + if (ctx1_iv_off) + append_jump(desc, JUMP_JSL | JUMP_TEST_ALL | JUMP_COND_NCP | + (1 << JUMP_OFFSET_SHIFT)); + + /* Load operation */ + append_operation(desc, cdata->algtype | OP_ALG_AS_INITFINAL | + OP_ALG_ENCRYPT); + + /* Perform operation */ + ablkcipher_append_src_dst(desc); + +#ifdef DEBUG + print_hex_dump(KERN_ERR, + "ablkcipher givenc shdesc@" __stringify(__LINE__) ": ", + DUMP_PREFIX_ADDRESS, 16, 4, desc, desc_bytes(desc), 1); +#endif +} +EXPORT_SYMBOL(cnstr_shdsc_ablkcipher_givencap); + +/** + * cnstr_shdsc_xts_ablkcipher_encap - xts ablkcipher encapsulation shared + * descriptor + * @desc: pointer to buffer used for descriptor construction + * @cdata: pointer to block cipher transform definitions + * Valid algorithm values - OP_ALG_ALGSEL_AES ANDed with OP_ALG_AAI_XTS. + */ +void cnstr_shdsc_xts_ablkcipher_encap(u32 * const desc, struct alginfo *cdata) +{ + /* + * Set sector size to a big value, practically disabling + * sector size segmentation in xts implementation. We cannot + * take full advantage of this HW feature with existing + * crypto API / dm-crypt SW architecture. + */ + __be64 sector_size = cpu_to_be64(BIT(15)); + u32 *key_jump_cmd; + + init_sh_desc(desc, HDR_SHARE_SERIAL | HDR_SAVECTX); + /* Skip if already shared */ + key_jump_cmd = append_jump(desc, JUMP_JSL | JUMP_TEST_ALL | + JUMP_COND_SHRD); + + /* Load class1 keys only */ + append_key_as_imm(desc, cdata->key_virt, cdata->keylen, + cdata->keylen, CLASS_1 | KEY_DEST_CLASS_REG); + + /* Load sector size with index 40 bytes (0x28) */ + append_load_as_imm(desc, (void *)§or_size, 8, LDST_CLASS_1_CCB | + LDST_SRCDST_BYTE_CONTEXT | + (0x28 << LDST_OFFSET_SHIFT)); + + set_jump_tgt_here(desc, key_jump_cmd); + + /* + * create sequence for loading the sector index + * Upper 8B of IV - will be used as sector index + * Lower 8B of IV - will be discarded + */ + append_seq_load(desc, 8, LDST_SRCDST_BYTE_CONTEXT | LDST_CLASS_1_CCB | + (0x20 << LDST_OFFSET_SHIFT)); + append_seq_fifo_load(desc, 8, FIFOLD_CLASS_SKIP); + + /* Load operation */ + append_operation(desc, cdata->algtype | OP_ALG_AS_INITFINAL | + OP_ALG_ENCRYPT); + + /* Perform operation */ + ablkcipher_append_src_dst(desc); + +#ifdef DEBUG + print_hex_dump(KERN_ERR, + "xts ablkcipher enc shdesc@" __stringify(__LINE__) ": ", + DUMP_PREFIX_ADDRESS, 16, 4, desc, desc_bytes(desc), 1); +#endif +} +EXPORT_SYMBOL(cnstr_shdsc_xts_ablkcipher_encap); + +/** + * cnstr_shdsc_xts_ablkcipher_decap - xts ablkcipher decapsulation shared + * descriptor + * @desc: pointer to buffer used for descriptor construction + * @cdata: pointer to block cipher transform definitions + * Valid algorithm values - OP_ALG_ALGSEL_AES ANDed with OP_ALG_AAI_XTS. + */ +void cnstr_shdsc_xts_ablkcipher_decap(u32 * const desc, struct alginfo *cdata) +{ + /* + * Set sector size to a big value, practically disabling + * sector size segmentation in xts implementation. We cannot + * take full advantage of this HW feature with existing + * crypto API / dm-crypt SW architecture. + */ + __be64 sector_size = cpu_to_be64(BIT(15)); + u32 *key_jump_cmd; + + init_sh_desc(desc, HDR_SHARE_SERIAL | HDR_SAVECTX); + /* Skip if already shared */ + key_jump_cmd = append_jump(desc, JUMP_JSL | JUMP_TEST_ALL | + JUMP_COND_SHRD); + + /* Load class1 key only */ + append_key_as_imm(desc, cdata->key_virt, cdata->keylen, + cdata->keylen, CLASS_1 | KEY_DEST_CLASS_REG); + + /* Load sector size with index 40 bytes (0x28) */ + append_load_as_imm(desc, (void *)§or_size, 8, LDST_CLASS_1_CCB | + LDST_SRCDST_BYTE_CONTEXT | + (0x28 << LDST_OFFSET_SHIFT)); + + set_jump_tgt_here(desc, key_jump_cmd); + + /* + * create sequence for loading the sector index + * Upper 8B of IV - will be used as sector index + * Lower 8B of IV - will be discarded + */ + append_seq_load(desc, 8, LDST_SRCDST_BYTE_CONTEXT | LDST_CLASS_1_CCB | + (0x20 << LDST_OFFSET_SHIFT)); + append_seq_fifo_load(desc, 8, FIFOLD_CLASS_SKIP); + + /* Load operation */ + append_dec_op1(desc, cdata->algtype); + + /* Perform operation */ + ablkcipher_append_src_dst(desc); + +#ifdef DEBUG + print_hex_dump(KERN_ERR, + "xts ablkcipher dec shdesc@" __stringify(__LINE__) ": ", + DUMP_PREFIX_ADDRESS, 16, 4, desc, desc_bytes(desc), 1); +#endif +} +EXPORT_SYMBOL(cnstr_shdsc_xts_ablkcipher_decap); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("FSL CAAM descriptor support"); +MODULE_AUTHOR("Freescale Semiconductor - NMG/STC"); diff --git a/drivers/crypto/caam/caamalg_desc.h b/drivers/crypto/caam/caamalg_desc.h new file mode 100644 index 000000000..05516b0a4 --- /dev/null +++ b/drivers/crypto/caam/caamalg_desc.h @@ -0,0 +1,115 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Shared descriptors for aead, ablkcipher algorithms + * + * Copyright 2016 NXP + */ + +#ifndef _CAAMALG_DESC_H_ +#define _CAAMALG_DESC_H_ + +/* length of descriptors text */ +#define DESC_AEAD_BASE (4 * CAAM_CMD_SZ) +#define DESC_AEAD_ENC_LEN (DESC_AEAD_BASE + 11 * CAAM_CMD_SZ) +#define DESC_AEAD_DEC_LEN (DESC_AEAD_BASE + 15 * CAAM_CMD_SZ) +#define DESC_AEAD_GIVENC_LEN (DESC_AEAD_ENC_LEN + 8 * CAAM_CMD_SZ) +#define DESC_QI_AEAD_ENC_LEN (DESC_AEAD_ENC_LEN + 3 * CAAM_CMD_SZ) +#define DESC_QI_AEAD_DEC_LEN (DESC_AEAD_DEC_LEN + 3 * CAAM_CMD_SZ) +#define DESC_QI_AEAD_GIVENC_LEN (DESC_AEAD_GIVENC_LEN + 3 * CAAM_CMD_SZ) + +/* Note: Nonce is counted in cdata.keylen */ +#define DESC_AEAD_CTR_RFC3686_LEN (4 * CAAM_CMD_SZ) + +#define DESC_AEAD_NULL_BASE (3 * CAAM_CMD_SZ) +#define DESC_AEAD_NULL_ENC_LEN (DESC_AEAD_NULL_BASE + 11 * CAAM_CMD_SZ) +#define DESC_AEAD_NULL_DEC_LEN (DESC_AEAD_NULL_BASE + 13 * CAAM_CMD_SZ) + +#define DESC_GCM_BASE (3 * CAAM_CMD_SZ) +#define DESC_GCM_ENC_LEN (DESC_GCM_BASE + 16 * CAAM_CMD_SZ) +#define DESC_GCM_DEC_LEN (DESC_GCM_BASE + 12 * CAAM_CMD_SZ) +#define DESC_QI_GCM_ENC_LEN (DESC_GCM_ENC_LEN + 6 * CAAM_CMD_SZ) +#define DESC_QI_GCM_DEC_LEN (DESC_GCM_DEC_LEN + 3 * CAAM_CMD_SZ) + +#define DESC_RFC4106_BASE (3 * CAAM_CMD_SZ) +#define DESC_RFC4106_ENC_LEN (DESC_RFC4106_BASE + 13 * CAAM_CMD_SZ) +#define DESC_RFC4106_DEC_LEN (DESC_RFC4106_BASE + 13 * CAAM_CMD_SZ) +#define DESC_QI_RFC4106_ENC_LEN (DESC_RFC4106_ENC_LEN + 5 * CAAM_CMD_SZ) +#define DESC_QI_RFC4106_DEC_LEN (DESC_RFC4106_DEC_LEN + 5 * CAAM_CMD_SZ) + +#define DESC_RFC4543_BASE (3 * CAAM_CMD_SZ) +#define DESC_RFC4543_ENC_LEN (DESC_RFC4543_BASE + 11 * CAAM_CMD_SZ) +#define DESC_RFC4543_DEC_LEN (DESC_RFC4543_BASE + 12 * CAAM_CMD_SZ) +#define DESC_QI_RFC4543_ENC_LEN (DESC_RFC4543_ENC_LEN + 4 * CAAM_CMD_SZ) +#define DESC_QI_RFC4543_DEC_LEN (DESC_RFC4543_DEC_LEN + 4 * CAAM_CMD_SZ) + +#define DESC_ABLKCIPHER_BASE (3 * CAAM_CMD_SZ) +#define DESC_ABLKCIPHER_ENC_LEN (DESC_ABLKCIPHER_BASE + \ + 20 * CAAM_CMD_SZ) +#define DESC_ABLKCIPHER_DEC_LEN (DESC_ABLKCIPHER_BASE + \ + 15 * CAAM_CMD_SZ) + +void cnstr_shdsc_aead_null_encap(u32 * const desc, struct alginfo *adata, + unsigned int icvsize, int era); + +void cnstr_shdsc_aead_null_decap(u32 * const desc, struct alginfo *adata, + unsigned int icvsize, int era); + +void cnstr_shdsc_aead_encap(u32 * const desc, struct alginfo *cdata, + struct alginfo *adata, unsigned int ivsize, + unsigned int icvsize, const bool is_rfc3686, + u32 *nonce, const u32 ctx1_iv_off, + const bool is_qi, int era); + +void cnstr_shdsc_aead_decap(u32 * const desc, struct alginfo *cdata, + struct alginfo *adata, unsigned int ivsize, + unsigned int icvsize, const bool geniv, + const bool is_rfc3686, u32 *nonce, + const u32 ctx1_iv_off, const bool is_qi, int era); + +void cnstr_shdsc_aead_givencap(u32 * const desc, struct alginfo *cdata, + struct alginfo *adata, unsigned int ivsize, + unsigned int icvsize, const bool is_rfc3686, + u32 *nonce, const u32 ctx1_iv_off, + const bool is_qi, int era); + +void cnstr_shdsc_gcm_encap(u32 * const desc, struct alginfo *cdata, + unsigned int ivsize, unsigned int icvsize, + const bool is_qi); + +void cnstr_shdsc_gcm_decap(u32 * const desc, struct alginfo *cdata, + unsigned int ivsize, unsigned int icvsize, + const bool is_qi); + +void cnstr_shdsc_rfc4106_encap(u32 * const desc, struct alginfo *cdata, + unsigned int ivsize, unsigned int icvsize, + const bool is_qi); + +void cnstr_shdsc_rfc4106_decap(u32 * const desc, struct alginfo *cdata, + unsigned int ivsize, unsigned int icvsize, + const bool is_qi); + +void cnstr_shdsc_rfc4543_encap(u32 * const desc, struct alginfo *cdata, + unsigned int ivsize, unsigned int icvsize, + const bool is_qi); + +void cnstr_shdsc_rfc4543_decap(u32 * const desc, struct alginfo *cdata, + unsigned int ivsize, unsigned int icvsize, + const bool is_qi); + +void cnstr_shdsc_ablkcipher_encap(u32 * const desc, struct alginfo *cdata, + unsigned int ivsize, const bool is_rfc3686, + const u32 ctx1_iv_off); + +void cnstr_shdsc_ablkcipher_decap(u32 * const desc, struct alginfo *cdata, + unsigned int ivsize, const bool is_rfc3686, + const u32 ctx1_iv_off); + +void cnstr_shdsc_ablkcipher_givencap(u32 * const desc, struct alginfo *cdata, + unsigned int ivsize, const bool is_rfc3686, + const u32 ctx1_iv_off); + +void cnstr_shdsc_xts_ablkcipher_encap(u32 * const desc, struct alginfo *cdata); + +void cnstr_shdsc_xts_ablkcipher_decap(u32 * const desc, struct alginfo *cdata); + +#endif /* _CAAMALG_DESC_H_ */ diff --git a/drivers/crypto/caam/caamalg_qi.c b/drivers/crypto/caam/caamalg_qi.c new file mode 100644 index 000000000..d7aa7d7ff --- /dev/null +++ b/drivers/crypto/caam/caamalg_qi.c @@ -0,0 +1,2846 @@ +/* + * Freescale FSL CAAM support for crypto API over QI backend. + * Based on caamalg.c + * + * Copyright 2013-2016 Freescale Semiconductor, Inc. + * Copyright 2016-2017 NXP + */ + +#include "compat.h" +#include "ctrl.h" +#include "regs.h" +#include "intern.h" +#include "desc_constr.h" +#include "error.h" +#include "sg_sw_qm.h" +#include "key_gen.h" +#include "qi.h" +#include "jr.h" +#include "caamalg_desc.h" + +/* + * crypto alg + */ +#define CAAM_CRA_PRIORITY 2000 +/* max key is sum of AES_MAX_KEY_SIZE, max split key size */ +#define CAAM_MAX_KEY_SIZE (AES_MAX_KEY_SIZE + \ + SHA512_DIGEST_SIZE * 2) + +#define DESC_MAX_USED_BYTES (DESC_QI_AEAD_GIVENC_LEN + \ + CAAM_MAX_KEY_SIZE) +#define DESC_MAX_USED_LEN (DESC_MAX_USED_BYTES / CAAM_CMD_SZ) + +struct caam_alg_entry { + int class1_alg_type; + int class2_alg_type; + bool rfc3686; + bool geniv; +}; + +struct caam_aead_alg { + struct aead_alg aead; + struct caam_alg_entry caam; + bool registered; +}; + +/* + * per-session context + */ +struct caam_ctx { + struct device *jrdev; + u32 sh_desc_enc[DESC_MAX_USED_LEN]; + u32 sh_desc_dec[DESC_MAX_USED_LEN]; + u32 sh_desc_givenc[DESC_MAX_USED_LEN]; + u8 key[CAAM_MAX_KEY_SIZE]; + dma_addr_t key_dma; + enum dma_data_direction dir; + struct alginfo adata; + struct alginfo cdata; + unsigned int authsize; + struct device *qidev; + spinlock_t lock; /* Protects multiple init of driver context */ + struct caam_drv_ctx *drv_ctx[NUM_OP]; +}; + +static int aead_set_sh_desc(struct crypto_aead *aead) +{ + struct caam_aead_alg *alg = container_of(crypto_aead_alg(aead), + typeof(*alg), aead); + struct caam_ctx *ctx = crypto_aead_ctx(aead); + unsigned int ivsize = crypto_aead_ivsize(aead); + u32 ctx1_iv_off = 0; + u32 *nonce = NULL; + unsigned int data_len[2]; + u32 inl_mask; + const bool ctr_mode = ((ctx->cdata.algtype & OP_ALG_AAI_MASK) == + OP_ALG_AAI_CTR_MOD128); + const bool is_rfc3686 = alg->caam.rfc3686; + struct caam_drv_private *ctrlpriv = dev_get_drvdata(ctx->jrdev->parent); + + if (!ctx->cdata.keylen || !ctx->authsize) + return 0; + + /* + * AES-CTR needs to load IV in CONTEXT1 reg + * at an offset of 128bits (16bytes) + * CONTEXT1[255:128] = IV + */ + if (ctr_mode) + ctx1_iv_off = 16; + + /* + * RFC3686 specific: + * CONTEXT1[255:128] = {NONCE, IV, COUNTER} + */ + if (is_rfc3686) { + ctx1_iv_off = 16 + CTR_RFC3686_NONCE_SIZE; + nonce = (u32 *)((void *)ctx->key + ctx->adata.keylen_pad + + ctx->cdata.keylen - CTR_RFC3686_NONCE_SIZE); + } + + data_len[0] = ctx->adata.keylen_pad; + data_len[1] = ctx->cdata.keylen; + + if (alg->caam.geniv) + goto skip_enc; + + /* aead_encrypt shared descriptor */ + if (desc_inline_query(DESC_QI_AEAD_ENC_LEN + + (is_rfc3686 ? DESC_AEAD_CTR_RFC3686_LEN : 0), + DESC_JOB_IO_LEN, data_len, &inl_mask, + ARRAY_SIZE(data_len)) < 0) + return -EINVAL; + + if (inl_mask & 1) + ctx->adata.key_virt = ctx->key; + else + ctx->adata.key_dma = ctx->key_dma; + + if (inl_mask & 2) + ctx->cdata.key_virt = ctx->key + ctx->adata.keylen_pad; + else + ctx->cdata.key_dma = ctx->key_dma + ctx->adata.keylen_pad; + + ctx->adata.key_inline = !!(inl_mask & 1); + ctx->cdata.key_inline = !!(inl_mask & 2); + + cnstr_shdsc_aead_encap(ctx->sh_desc_enc, &ctx->cdata, &ctx->adata, + ivsize, ctx->authsize, is_rfc3686, nonce, + ctx1_iv_off, true, ctrlpriv->era); + +skip_enc: + /* aead_decrypt shared descriptor */ + if (desc_inline_query(DESC_QI_AEAD_DEC_LEN + + (is_rfc3686 ? DESC_AEAD_CTR_RFC3686_LEN : 0), + DESC_JOB_IO_LEN, data_len, &inl_mask, + ARRAY_SIZE(data_len)) < 0) + return -EINVAL; + + if (inl_mask & 1) + ctx->adata.key_virt = ctx->key; + else + ctx->adata.key_dma = ctx->key_dma; + + if (inl_mask & 2) + ctx->cdata.key_virt = ctx->key + ctx->adata.keylen_pad; + else + ctx->cdata.key_dma = ctx->key_dma + ctx->adata.keylen_pad; + + ctx->adata.key_inline = !!(inl_mask & 1); + ctx->cdata.key_inline = !!(inl_mask & 2); + + cnstr_shdsc_aead_decap(ctx->sh_desc_dec, &ctx->cdata, &ctx->adata, + ivsize, ctx->authsize, alg->caam.geniv, + is_rfc3686, nonce, ctx1_iv_off, true, + ctrlpriv->era); + + if (!alg->caam.geniv) + goto skip_givenc; + + /* aead_givencrypt shared descriptor */ + if (desc_inline_query(DESC_QI_AEAD_GIVENC_LEN + + (is_rfc3686 ? DESC_AEAD_CTR_RFC3686_LEN : 0), + DESC_JOB_IO_LEN, data_len, &inl_mask, + ARRAY_SIZE(data_len)) < 0) + return -EINVAL; + + if (inl_mask & 1) + ctx->adata.key_virt = ctx->key; + else + ctx->adata.key_dma = ctx->key_dma; + + if (inl_mask & 2) + ctx->cdata.key_virt = ctx->key + ctx->adata.keylen_pad; + else + ctx->cdata.key_dma = ctx->key_dma + ctx->adata.keylen_pad; + + ctx->adata.key_inline = !!(inl_mask & 1); + ctx->cdata.key_inline = !!(inl_mask & 2); + + cnstr_shdsc_aead_givencap(ctx->sh_desc_enc, &ctx->cdata, &ctx->adata, + ivsize, ctx->authsize, is_rfc3686, nonce, + ctx1_iv_off, true, ctrlpriv->era); + +skip_givenc: + return 0; +} + +static int aead_setauthsize(struct crypto_aead *authenc, unsigned int authsize) +{ + struct caam_ctx *ctx = crypto_aead_ctx(authenc); + + ctx->authsize = authsize; + aead_set_sh_desc(authenc); + + return 0; +} + +static int aead_setkey(struct crypto_aead *aead, const u8 *key, + unsigned int keylen) +{ + struct caam_ctx *ctx = crypto_aead_ctx(aead); + struct device *jrdev = ctx->jrdev; + struct caam_drv_private *ctrlpriv = dev_get_drvdata(jrdev->parent); + struct crypto_authenc_keys keys; + int ret = 0; + + if (crypto_authenc_extractkeys(&keys, key, keylen) != 0) + goto badkey; + +#ifdef DEBUG + dev_err(jrdev, "keylen %d enckeylen %d authkeylen %d\n", + keys.authkeylen + keys.enckeylen, keys.enckeylen, + keys.authkeylen); + print_hex_dump(KERN_ERR, "key in @" __stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1); +#endif + + /* + * If DKP is supported, use it in the shared descriptor to generate + * the split key. + */ + if (ctrlpriv->era >= 6) { + ctx->adata.keylen = keys.authkeylen; + ctx->adata.keylen_pad = split_key_len(ctx->adata.algtype & + OP_ALG_ALGSEL_MASK); + + if (ctx->adata.keylen_pad + keys.enckeylen > CAAM_MAX_KEY_SIZE) + goto badkey; + + memcpy(ctx->key, keys.authkey, keys.authkeylen); + memcpy(ctx->key + ctx->adata.keylen_pad, keys.enckey, + keys.enckeylen); + dma_sync_single_for_device(jrdev, ctx->key_dma, + ctx->adata.keylen_pad + + keys.enckeylen, ctx->dir); + goto skip_split_key; + } + + ret = gen_split_key(jrdev, ctx->key, &ctx->adata, keys.authkey, + keys.authkeylen, CAAM_MAX_KEY_SIZE - + keys.enckeylen); + if (ret) + goto badkey; + + /* postpend encryption key to auth split key */ + memcpy(ctx->key + ctx->adata.keylen_pad, keys.enckey, keys.enckeylen); + dma_sync_single_for_device(jrdev, ctx->key_dma, ctx->adata.keylen_pad + + keys.enckeylen, ctx->dir); +#ifdef DEBUG + print_hex_dump(KERN_ERR, "ctx.key@" __stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, ctx->key, + ctx->adata.keylen_pad + keys.enckeylen, 1); +#endif + +skip_split_key: + ctx->cdata.keylen = keys.enckeylen; + + ret = aead_set_sh_desc(aead); + if (ret) + goto badkey; + + /* Now update the driver contexts with the new shared descriptor */ + if (ctx->drv_ctx[ENCRYPT]) { + ret = caam_drv_ctx_update(ctx->drv_ctx[ENCRYPT], + ctx->sh_desc_enc); + if (ret) { + dev_err(jrdev, "driver enc context update failed\n"); + goto badkey; + } + } + + if (ctx->drv_ctx[DECRYPT]) { + ret = caam_drv_ctx_update(ctx->drv_ctx[DECRYPT], + ctx->sh_desc_dec); + if (ret) { + dev_err(jrdev, "driver dec context update failed\n"); + goto badkey; + } + } + + memzero_explicit(&keys, sizeof(keys)); + return ret; +badkey: + crypto_aead_set_flags(aead, CRYPTO_TFM_RES_BAD_KEY_LEN); + memzero_explicit(&keys, sizeof(keys)); + return -EINVAL; +} + +static int gcm_set_sh_desc(struct crypto_aead *aead) +{ + struct caam_ctx *ctx = crypto_aead_ctx(aead); + unsigned int ivsize = crypto_aead_ivsize(aead); + int rem_bytes = CAAM_DESC_BYTES_MAX - DESC_JOB_IO_LEN - + ctx->cdata.keylen; + + if (!ctx->cdata.keylen || !ctx->authsize) + return 0; + + /* + * Job Descriptor and Shared Descriptor + * must fit into the 64-word Descriptor h/w Buffer + */ + if (rem_bytes >= DESC_QI_GCM_ENC_LEN) { + ctx->cdata.key_inline = true; + ctx->cdata.key_virt = ctx->key; + } else { + ctx->cdata.key_inline = false; + ctx->cdata.key_dma = ctx->key_dma; + } + + cnstr_shdsc_gcm_encap(ctx->sh_desc_enc, &ctx->cdata, ivsize, + ctx->authsize, true); + + /* + * Job Descriptor and Shared Descriptor + * must fit into the 64-word Descriptor h/w Buffer + */ + if (rem_bytes >= DESC_QI_GCM_DEC_LEN) { + ctx->cdata.key_inline = true; + ctx->cdata.key_virt = ctx->key; + } else { + ctx->cdata.key_inline = false; + ctx->cdata.key_dma = ctx->key_dma; + } + + cnstr_shdsc_gcm_decap(ctx->sh_desc_dec, &ctx->cdata, ivsize, + ctx->authsize, true); + + return 0; +} + +static int gcm_setauthsize(struct crypto_aead *authenc, unsigned int authsize) +{ + struct caam_ctx *ctx = crypto_aead_ctx(authenc); + + ctx->authsize = authsize; + gcm_set_sh_desc(authenc); + + return 0; +} + +static int gcm_setkey(struct crypto_aead *aead, + const u8 *key, unsigned int keylen) +{ + struct caam_ctx *ctx = crypto_aead_ctx(aead); + struct device *jrdev = ctx->jrdev; + int ret; + +#ifdef DEBUG + print_hex_dump(KERN_ERR, "key in @" __stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1); +#endif + + memcpy(ctx->key, key, keylen); + dma_sync_single_for_device(jrdev, ctx->key_dma, keylen, ctx->dir); + ctx->cdata.keylen = keylen; + + ret = gcm_set_sh_desc(aead); + if (ret) + return ret; + + /* Now update the driver contexts with the new shared descriptor */ + if (ctx->drv_ctx[ENCRYPT]) { + ret = caam_drv_ctx_update(ctx->drv_ctx[ENCRYPT], + ctx->sh_desc_enc); + if (ret) { + dev_err(jrdev, "driver enc context update failed\n"); + return ret; + } + } + + if (ctx->drv_ctx[DECRYPT]) { + ret = caam_drv_ctx_update(ctx->drv_ctx[DECRYPT], + ctx->sh_desc_dec); + if (ret) { + dev_err(jrdev, "driver dec context update failed\n"); + return ret; + } + } + + return 0; +} + +static int rfc4106_set_sh_desc(struct crypto_aead *aead) +{ + struct caam_ctx *ctx = crypto_aead_ctx(aead); + unsigned int ivsize = crypto_aead_ivsize(aead); + int rem_bytes = CAAM_DESC_BYTES_MAX - DESC_JOB_IO_LEN - + ctx->cdata.keylen; + + if (!ctx->cdata.keylen || !ctx->authsize) + return 0; + + ctx->cdata.key_virt = ctx->key; + + /* + * Job Descriptor and Shared Descriptor + * must fit into the 64-word Descriptor h/w Buffer + */ + if (rem_bytes >= DESC_QI_RFC4106_ENC_LEN) { + ctx->cdata.key_inline = true; + } else { + ctx->cdata.key_inline = false; + ctx->cdata.key_dma = ctx->key_dma; + } + + cnstr_shdsc_rfc4106_encap(ctx->sh_desc_enc, &ctx->cdata, ivsize, + ctx->authsize, true); + + /* + * Job Descriptor and Shared Descriptor + * must fit into the 64-word Descriptor h/w Buffer + */ + if (rem_bytes >= DESC_QI_RFC4106_DEC_LEN) { + ctx->cdata.key_inline = true; + } else { + ctx->cdata.key_inline = false; + ctx->cdata.key_dma = ctx->key_dma; + } + + cnstr_shdsc_rfc4106_decap(ctx->sh_desc_dec, &ctx->cdata, ivsize, + ctx->authsize, true); + + return 0; +} + +static int rfc4106_setauthsize(struct crypto_aead *authenc, + unsigned int authsize) +{ + struct caam_ctx *ctx = crypto_aead_ctx(authenc); + + ctx->authsize = authsize; + rfc4106_set_sh_desc(authenc); + + return 0; +} + +static int rfc4106_setkey(struct crypto_aead *aead, + const u8 *key, unsigned int keylen) +{ + struct caam_ctx *ctx = crypto_aead_ctx(aead); + struct device *jrdev = ctx->jrdev; + int ret; + + if (keylen < 4) + return -EINVAL; + +#ifdef DEBUG + print_hex_dump(KERN_ERR, "key in @" __stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1); +#endif + + memcpy(ctx->key, key, keylen); + /* + * The last four bytes of the key material are used as the salt value + * in the nonce. Update the AES key length. + */ + ctx->cdata.keylen = keylen - 4; + dma_sync_single_for_device(jrdev, ctx->key_dma, ctx->cdata.keylen, + ctx->dir); + + ret = rfc4106_set_sh_desc(aead); + if (ret) + return ret; + + /* Now update the driver contexts with the new shared descriptor */ + if (ctx->drv_ctx[ENCRYPT]) { + ret = caam_drv_ctx_update(ctx->drv_ctx[ENCRYPT], + ctx->sh_desc_enc); + if (ret) { + dev_err(jrdev, "driver enc context update failed\n"); + return ret; + } + } + + if (ctx->drv_ctx[DECRYPT]) { + ret = caam_drv_ctx_update(ctx->drv_ctx[DECRYPT], + ctx->sh_desc_dec); + if (ret) { + dev_err(jrdev, "driver dec context update failed\n"); + return ret; + } + } + + return 0; +} + +static int rfc4543_set_sh_desc(struct crypto_aead *aead) +{ + struct caam_ctx *ctx = crypto_aead_ctx(aead); + unsigned int ivsize = crypto_aead_ivsize(aead); + int rem_bytes = CAAM_DESC_BYTES_MAX - DESC_JOB_IO_LEN - + ctx->cdata.keylen; + + if (!ctx->cdata.keylen || !ctx->authsize) + return 0; + + ctx->cdata.key_virt = ctx->key; + + /* + * Job Descriptor and Shared Descriptor + * must fit into the 64-word Descriptor h/w Buffer + */ + if (rem_bytes >= DESC_QI_RFC4543_ENC_LEN) { + ctx->cdata.key_inline = true; + } else { + ctx->cdata.key_inline = false; + ctx->cdata.key_dma = ctx->key_dma; + } + + cnstr_shdsc_rfc4543_encap(ctx->sh_desc_enc, &ctx->cdata, ivsize, + ctx->authsize, true); + + /* + * Job Descriptor and Shared Descriptor + * must fit into the 64-word Descriptor h/w Buffer + */ + if (rem_bytes >= DESC_QI_RFC4543_DEC_LEN) { + ctx->cdata.key_inline = true; + } else { + ctx->cdata.key_inline = false; + ctx->cdata.key_dma = ctx->key_dma; + } + + cnstr_shdsc_rfc4543_decap(ctx->sh_desc_dec, &ctx->cdata, ivsize, + ctx->authsize, true); + + return 0; +} + +static int rfc4543_setauthsize(struct crypto_aead *authenc, + unsigned int authsize) +{ + struct caam_ctx *ctx = crypto_aead_ctx(authenc); + + ctx->authsize = authsize; + rfc4543_set_sh_desc(authenc); + + return 0; +} + +static int rfc4543_setkey(struct crypto_aead *aead, + const u8 *key, unsigned int keylen) +{ + struct caam_ctx *ctx = crypto_aead_ctx(aead); + struct device *jrdev = ctx->jrdev; + int ret; + + if (keylen < 4) + return -EINVAL; + +#ifdef DEBUG + print_hex_dump(KERN_ERR, "key in @" __stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1); +#endif + + memcpy(ctx->key, key, keylen); + /* + * The last four bytes of the key material are used as the salt value + * in the nonce. Update the AES key length. + */ + ctx->cdata.keylen = keylen - 4; + dma_sync_single_for_device(jrdev, ctx->key_dma, ctx->cdata.keylen, + ctx->dir); + + ret = rfc4543_set_sh_desc(aead); + if (ret) + return ret; + + /* Now update the driver contexts with the new shared descriptor */ + if (ctx->drv_ctx[ENCRYPT]) { + ret = caam_drv_ctx_update(ctx->drv_ctx[ENCRYPT], + ctx->sh_desc_enc); + if (ret) { + dev_err(jrdev, "driver enc context update failed\n"); + return ret; + } + } + + if (ctx->drv_ctx[DECRYPT]) { + ret = caam_drv_ctx_update(ctx->drv_ctx[DECRYPT], + ctx->sh_desc_dec); + if (ret) { + dev_err(jrdev, "driver dec context update failed\n"); + return ret; + } + } + + return 0; +} + +static int ablkcipher_setkey(struct crypto_ablkcipher *ablkcipher, + const u8 *key, unsigned int keylen) +{ + struct caam_ctx *ctx = crypto_ablkcipher_ctx(ablkcipher); + struct crypto_tfm *tfm = crypto_ablkcipher_tfm(ablkcipher); + const char *alg_name = crypto_tfm_alg_name(tfm); + struct device *jrdev = ctx->jrdev; + unsigned int ivsize = crypto_ablkcipher_ivsize(ablkcipher); + u32 ctx1_iv_off = 0; + const bool ctr_mode = ((ctx->cdata.algtype & OP_ALG_AAI_MASK) == + OP_ALG_AAI_CTR_MOD128); + const bool is_rfc3686 = (ctr_mode && strstr(alg_name, "rfc3686")); + int ret = 0; + +#ifdef DEBUG + print_hex_dump(KERN_ERR, "key in @" __stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1); +#endif + /* + * AES-CTR needs to load IV in CONTEXT1 reg + * at an offset of 128bits (16bytes) + * CONTEXT1[255:128] = IV + */ + if (ctr_mode) + ctx1_iv_off = 16; + + /* + * RFC3686 specific: + * | CONTEXT1[255:128] = {NONCE, IV, COUNTER} + * | *key = {KEY, NONCE} + */ + if (is_rfc3686) { + ctx1_iv_off = 16 + CTR_RFC3686_NONCE_SIZE; + keylen -= CTR_RFC3686_NONCE_SIZE; + } + + ctx->cdata.keylen = keylen; + ctx->cdata.key_virt = key; + ctx->cdata.key_inline = true; + + /* ablkcipher encrypt, decrypt, givencrypt shared descriptors */ + cnstr_shdsc_ablkcipher_encap(ctx->sh_desc_enc, &ctx->cdata, ivsize, + is_rfc3686, ctx1_iv_off); + cnstr_shdsc_ablkcipher_decap(ctx->sh_desc_dec, &ctx->cdata, ivsize, + is_rfc3686, ctx1_iv_off); + cnstr_shdsc_ablkcipher_givencap(ctx->sh_desc_givenc, &ctx->cdata, + ivsize, is_rfc3686, ctx1_iv_off); + + /* Now update the driver contexts with the new shared descriptor */ + if (ctx->drv_ctx[ENCRYPT]) { + ret = caam_drv_ctx_update(ctx->drv_ctx[ENCRYPT], + ctx->sh_desc_enc); + if (ret) { + dev_err(jrdev, "driver enc context update failed\n"); + goto badkey; + } + } + + if (ctx->drv_ctx[DECRYPT]) { + ret = caam_drv_ctx_update(ctx->drv_ctx[DECRYPT], + ctx->sh_desc_dec); + if (ret) { + dev_err(jrdev, "driver dec context update failed\n"); + goto badkey; + } + } + + if (ctx->drv_ctx[GIVENCRYPT]) { + ret = caam_drv_ctx_update(ctx->drv_ctx[GIVENCRYPT], + ctx->sh_desc_givenc); + if (ret) { + dev_err(jrdev, "driver givenc context update failed\n"); + goto badkey; + } + } + + return ret; +badkey: + crypto_ablkcipher_set_flags(ablkcipher, CRYPTO_TFM_RES_BAD_KEY_LEN); + return -EINVAL; +} + +static int xts_ablkcipher_setkey(struct crypto_ablkcipher *ablkcipher, + const u8 *key, unsigned int keylen) +{ + struct caam_ctx *ctx = crypto_ablkcipher_ctx(ablkcipher); + struct device *jrdev = ctx->jrdev; + int ret = 0; + + if (keylen != 2 * AES_MIN_KEY_SIZE && keylen != 2 * AES_MAX_KEY_SIZE) { + dev_err(jrdev, "key size mismatch\n"); + goto badkey; + } + + ctx->cdata.keylen = keylen; + ctx->cdata.key_virt = key; + ctx->cdata.key_inline = true; + + /* xts ablkcipher encrypt, decrypt shared descriptors */ + cnstr_shdsc_xts_ablkcipher_encap(ctx->sh_desc_enc, &ctx->cdata); + cnstr_shdsc_xts_ablkcipher_decap(ctx->sh_desc_dec, &ctx->cdata); + + /* Now update the driver contexts with the new shared descriptor */ + if (ctx->drv_ctx[ENCRYPT]) { + ret = caam_drv_ctx_update(ctx->drv_ctx[ENCRYPT], + ctx->sh_desc_enc); + if (ret) { + dev_err(jrdev, "driver enc context update failed\n"); + goto badkey; + } + } + + if (ctx->drv_ctx[DECRYPT]) { + ret = caam_drv_ctx_update(ctx->drv_ctx[DECRYPT], + ctx->sh_desc_dec); + if (ret) { + dev_err(jrdev, "driver dec context update failed\n"); + goto badkey; + } + } + + return ret; +badkey: + crypto_ablkcipher_set_flags(ablkcipher, CRYPTO_TFM_RES_BAD_KEY_LEN); + return -EINVAL; +} + +/* + * aead_edesc - s/w-extended aead descriptor + * @src_nents: number of segments in input scatterlist + * @dst_nents: number of segments in output scatterlist + * @iv_dma: dma address of iv for checking continuity and link table + * @qm_sg_bytes: length of dma mapped h/w link table + * @qm_sg_dma: bus physical mapped address of h/w link table + * @assoclen: associated data length, in CAAM endianness + * @assoclen_dma: bus physical mapped address of req->assoclen + * @drv_req: driver-specific request structure + * @sgt: the h/w link table, followed by IV + */ +struct aead_edesc { + int src_nents; + int dst_nents; + dma_addr_t iv_dma; + int qm_sg_bytes; + dma_addr_t qm_sg_dma; + unsigned int assoclen; + dma_addr_t assoclen_dma; + struct caam_drv_req drv_req; + struct qm_sg_entry sgt[0]; +}; + +/* + * ablkcipher_edesc - s/w-extended ablkcipher descriptor + * @src_nents: number of segments in input scatterlist + * @dst_nents: number of segments in output scatterlist + * @iv_dma: dma address of iv for checking continuity and link table + * @qm_sg_bytes: length of dma mapped h/w link table + * @qm_sg_dma: bus physical mapped address of h/w link table + * @drv_req: driver-specific request structure + * @sgt: the h/w link table, followed by IV + */ +struct ablkcipher_edesc { + int src_nents; + int dst_nents; + dma_addr_t iv_dma; + int qm_sg_bytes; + dma_addr_t qm_sg_dma; + struct caam_drv_req drv_req; + struct qm_sg_entry sgt[0]; +}; + +static struct caam_drv_ctx *get_drv_ctx(struct caam_ctx *ctx, + enum optype type) +{ + /* + * This function is called on the fast path with values of 'type' + * known at compile time. Invalid arguments are not expected and + * thus no checks are made. + */ + struct caam_drv_ctx *drv_ctx = ctx->drv_ctx[type]; + u32 *desc; + + if (unlikely(!drv_ctx)) { + spin_lock(&ctx->lock); + + /* Read again to check if some other core init drv_ctx */ + drv_ctx = ctx->drv_ctx[type]; + if (!drv_ctx) { + int cpu; + + if (type == ENCRYPT) + desc = ctx->sh_desc_enc; + else if (type == DECRYPT) + desc = ctx->sh_desc_dec; + else /* (type == GIVENCRYPT) */ + desc = ctx->sh_desc_givenc; + + cpu = smp_processor_id(); + drv_ctx = caam_drv_ctx_init(ctx->qidev, &cpu, desc); + if (likely(!IS_ERR_OR_NULL(drv_ctx))) + drv_ctx->op_type = type; + + ctx->drv_ctx[type] = drv_ctx; + } + + spin_unlock(&ctx->lock); + } + + return drv_ctx; +} + +static void caam_unmap(struct device *dev, struct scatterlist *src, + struct scatterlist *dst, int src_nents, + int dst_nents, dma_addr_t iv_dma, int ivsize, + enum optype op_type, dma_addr_t qm_sg_dma, + int qm_sg_bytes) +{ + if (dst != src) { + if (src_nents) + dma_unmap_sg(dev, src, src_nents, DMA_TO_DEVICE); + dma_unmap_sg(dev, dst, dst_nents, DMA_FROM_DEVICE); + } else { + dma_unmap_sg(dev, src, src_nents, DMA_BIDIRECTIONAL); + } + + if (iv_dma) + dma_unmap_single(dev, iv_dma, ivsize, + op_type == GIVENCRYPT ? DMA_FROM_DEVICE : + DMA_TO_DEVICE); + if (qm_sg_bytes) + dma_unmap_single(dev, qm_sg_dma, qm_sg_bytes, DMA_TO_DEVICE); +} + +static void aead_unmap(struct device *dev, + struct aead_edesc *edesc, + struct aead_request *req) +{ + struct crypto_aead *aead = crypto_aead_reqtfm(req); + int ivsize = crypto_aead_ivsize(aead); + + caam_unmap(dev, req->src, req->dst, edesc->src_nents, edesc->dst_nents, + edesc->iv_dma, ivsize, edesc->drv_req.drv_ctx->op_type, + edesc->qm_sg_dma, edesc->qm_sg_bytes); + dma_unmap_single(dev, edesc->assoclen_dma, 4, DMA_TO_DEVICE); +} + +static void ablkcipher_unmap(struct device *dev, + struct ablkcipher_edesc *edesc, + struct ablkcipher_request *req) +{ + struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req); + int ivsize = crypto_ablkcipher_ivsize(ablkcipher); + + caam_unmap(dev, req->src, req->dst, edesc->src_nents, edesc->dst_nents, + edesc->iv_dma, ivsize, edesc->drv_req.drv_ctx->op_type, + edesc->qm_sg_dma, edesc->qm_sg_bytes); +} + +static void aead_done(struct caam_drv_req *drv_req, u32 status) +{ + struct device *qidev; + struct aead_edesc *edesc; + struct aead_request *aead_req = drv_req->app_ctx; + struct crypto_aead *aead = crypto_aead_reqtfm(aead_req); + struct caam_ctx *caam_ctx = crypto_aead_ctx(aead); + int ecode = 0; + + qidev = caam_ctx->qidev; + + if (unlikely(status)) { + u32 ssrc = status & JRSTA_SSRC_MASK; + u8 err_id = status & JRSTA_CCBERR_ERRID_MASK; + + caam_jr_strstatus(qidev, status); + /* + * verify hw auth check passed else return -EBADMSG + */ + if (ssrc == JRSTA_SSRC_CCB_ERROR && + err_id == JRSTA_CCBERR_ERRID_ICVCHK) + ecode = -EBADMSG; + else + ecode = -EIO; + } + + edesc = container_of(drv_req, typeof(*edesc), drv_req); + aead_unmap(qidev, edesc, aead_req); + + aead_request_complete(aead_req, ecode); + qi_cache_free(edesc); +} + +/* + * allocate and map the aead extended descriptor + */ +static struct aead_edesc *aead_edesc_alloc(struct aead_request *req, + bool encrypt) +{ + struct crypto_aead *aead = crypto_aead_reqtfm(req); + struct caam_ctx *ctx = crypto_aead_ctx(aead); + struct caam_aead_alg *alg = container_of(crypto_aead_alg(aead), + typeof(*alg), aead); + struct device *qidev = ctx->qidev; + gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? + GFP_KERNEL : GFP_ATOMIC; + int src_nents, mapped_src_nents, dst_nents = 0, mapped_dst_nents = 0; + struct aead_edesc *edesc; + dma_addr_t qm_sg_dma, iv_dma = 0; + int ivsize = 0; + unsigned int authsize = ctx->authsize; + int qm_sg_index = 0, qm_sg_ents = 0, qm_sg_bytes; + int in_len, out_len; + struct qm_sg_entry *sg_table, *fd_sgt; + struct caam_drv_ctx *drv_ctx; + enum optype op_type = encrypt ? ENCRYPT : DECRYPT; + + drv_ctx = get_drv_ctx(ctx, op_type); + if (unlikely(IS_ERR_OR_NULL(drv_ctx))) + return (struct aead_edesc *)drv_ctx; + + /* allocate space for base edesc and hw desc commands, link tables */ + edesc = qi_cache_alloc(GFP_DMA | flags); + if (unlikely(!edesc)) { + dev_err(qidev, "could not allocate extended descriptor\n"); + return ERR_PTR(-ENOMEM); + } + + if (likely(req->src == req->dst)) { + src_nents = sg_nents_for_len(req->src, req->assoclen + + req->cryptlen + + (encrypt ? authsize : 0)); + if (unlikely(src_nents < 0)) { + dev_err(qidev, "Insufficient bytes (%d) in src S/G\n", + req->assoclen + req->cryptlen + + (encrypt ? authsize : 0)); + qi_cache_free(edesc); + return ERR_PTR(src_nents); + } + + mapped_src_nents = dma_map_sg(qidev, req->src, src_nents, + DMA_BIDIRECTIONAL); + if (unlikely(!mapped_src_nents)) { + dev_err(qidev, "unable to map source\n"); + qi_cache_free(edesc); + return ERR_PTR(-ENOMEM); + } + } else { + src_nents = sg_nents_for_len(req->src, req->assoclen + + req->cryptlen); + if (unlikely(src_nents < 0)) { + dev_err(qidev, "Insufficient bytes (%d) in src S/G\n", + req->assoclen + req->cryptlen); + qi_cache_free(edesc); + return ERR_PTR(src_nents); + } + + dst_nents = sg_nents_for_len(req->dst, req->assoclen + + req->cryptlen + + (encrypt ? authsize : + (-authsize))); + if (unlikely(dst_nents < 0)) { + dev_err(qidev, "Insufficient bytes (%d) in dst S/G\n", + req->assoclen + req->cryptlen + + (encrypt ? authsize : (-authsize))); + qi_cache_free(edesc); + return ERR_PTR(dst_nents); + } + + if (src_nents) { + mapped_src_nents = dma_map_sg(qidev, req->src, + src_nents, DMA_TO_DEVICE); + if (unlikely(!mapped_src_nents)) { + dev_err(qidev, "unable to map source\n"); + qi_cache_free(edesc); + return ERR_PTR(-ENOMEM); + } + } else { + mapped_src_nents = 0; + } + + mapped_dst_nents = dma_map_sg(qidev, req->dst, dst_nents, + DMA_FROM_DEVICE); + if (unlikely(!mapped_dst_nents)) { + dev_err(qidev, "unable to map destination\n"); + dma_unmap_sg(qidev, req->src, src_nents, DMA_TO_DEVICE); + qi_cache_free(edesc); + return ERR_PTR(-ENOMEM); + } + } + + if ((alg->caam.rfc3686 && encrypt) || !alg->caam.geniv) + ivsize = crypto_aead_ivsize(aead); + + /* + * Create S/G table: req->assoclen, [IV,] req->src [, req->dst]. + * Input is not contiguous. + */ + qm_sg_ents = 1 + !!ivsize + mapped_src_nents + + (mapped_dst_nents > 1 ? mapped_dst_nents : 0); + sg_table = &edesc->sgt[0]; + qm_sg_bytes = qm_sg_ents * sizeof(*sg_table); + if (unlikely(offsetof(struct aead_edesc, sgt) + qm_sg_bytes + ivsize > + CAAM_QI_MEMCACHE_SIZE)) { + dev_err(qidev, "No space for %d S/G entries and/or %dB IV\n", + qm_sg_ents, ivsize); + caam_unmap(qidev, req->src, req->dst, src_nents, dst_nents, 0, + 0, 0, 0, 0); + qi_cache_free(edesc); + return ERR_PTR(-ENOMEM); + } + + if (ivsize) { + u8 *iv = (u8 *)(sg_table + qm_sg_ents); + + /* Make sure IV is located in a DMAable area */ + memcpy(iv, req->iv, ivsize); + + iv_dma = dma_map_single(qidev, iv, ivsize, DMA_TO_DEVICE); + if (dma_mapping_error(qidev, iv_dma)) { + dev_err(qidev, "unable to map IV\n"); + caam_unmap(qidev, req->src, req->dst, src_nents, + dst_nents, 0, 0, 0, 0, 0); + qi_cache_free(edesc); + return ERR_PTR(-ENOMEM); + } + } + + edesc->src_nents = src_nents; + edesc->dst_nents = dst_nents; + edesc->iv_dma = iv_dma; + edesc->drv_req.app_ctx = req; + edesc->drv_req.cbk = aead_done; + edesc->drv_req.drv_ctx = drv_ctx; + + edesc->assoclen = cpu_to_caam32(req->assoclen); + edesc->assoclen_dma = dma_map_single(qidev, &edesc->assoclen, 4, + DMA_TO_DEVICE); + if (dma_mapping_error(qidev, edesc->assoclen_dma)) { + dev_err(qidev, "unable to map assoclen\n"); + caam_unmap(qidev, req->src, req->dst, src_nents, dst_nents, + iv_dma, ivsize, op_type, 0, 0); + qi_cache_free(edesc); + return ERR_PTR(-ENOMEM); + } + + dma_to_qm_sg_one(sg_table, edesc->assoclen_dma, 4, 0); + qm_sg_index++; + if (ivsize) { + dma_to_qm_sg_one(sg_table + qm_sg_index, iv_dma, ivsize, 0); + qm_sg_index++; + } + sg_to_qm_sg_last(req->src, mapped_src_nents, sg_table + qm_sg_index, 0); + qm_sg_index += mapped_src_nents; + + if (mapped_dst_nents > 1) + sg_to_qm_sg_last(req->dst, mapped_dst_nents, sg_table + + qm_sg_index, 0); + + qm_sg_dma = dma_map_single(qidev, sg_table, qm_sg_bytes, DMA_TO_DEVICE); + if (dma_mapping_error(qidev, qm_sg_dma)) { + dev_err(qidev, "unable to map S/G table\n"); + dma_unmap_single(qidev, edesc->assoclen_dma, 4, DMA_TO_DEVICE); + caam_unmap(qidev, req->src, req->dst, src_nents, dst_nents, + iv_dma, ivsize, op_type, 0, 0); + qi_cache_free(edesc); + return ERR_PTR(-ENOMEM); + } + + edesc->qm_sg_dma = qm_sg_dma; + edesc->qm_sg_bytes = qm_sg_bytes; + + out_len = req->assoclen + req->cryptlen + + (encrypt ? ctx->authsize : (-ctx->authsize)); + in_len = 4 + ivsize + req->assoclen + req->cryptlen; + + fd_sgt = &edesc->drv_req.fd_sgt[0]; + dma_to_qm_sg_one_last_ext(&fd_sgt[1], qm_sg_dma, in_len, 0); + + if (req->dst == req->src) { + if (mapped_src_nents == 1) + dma_to_qm_sg_one(&fd_sgt[0], sg_dma_address(req->src), + out_len, 0); + else + dma_to_qm_sg_one_ext(&fd_sgt[0], qm_sg_dma + + (1 + !!ivsize) * sizeof(*sg_table), + out_len, 0); + } else if (mapped_dst_nents == 1) { + dma_to_qm_sg_one(&fd_sgt[0], sg_dma_address(req->dst), out_len, + 0); + } else { + dma_to_qm_sg_one_ext(&fd_sgt[0], qm_sg_dma + sizeof(*sg_table) * + qm_sg_index, out_len, 0); + } + + return edesc; +} + +static inline int aead_crypt(struct aead_request *req, bool encrypt) +{ + struct aead_edesc *edesc; + struct crypto_aead *aead = crypto_aead_reqtfm(req); + struct caam_ctx *ctx = crypto_aead_ctx(aead); + int ret; + + if (unlikely(caam_congested)) + return -EAGAIN; + + /* allocate extended descriptor */ + edesc = aead_edesc_alloc(req, encrypt); + if (IS_ERR_OR_NULL(edesc)) + return PTR_ERR(edesc); + + /* Create and submit job descriptor */ + ret = caam_qi_enqueue(ctx->qidev, &edesc->drv_req); + if (!ret) { + ret = -EINPROGRESS; + } else { + aead_unmap(ctx->qidev, edesc, req); + qi_cache_free(edesc); + } + + return ret; +} + +static int aead_encrypt(struct aead_request *req) +{ + return aead_crypt(req, true); +} + +static int aead_decrypt(struct aead_request *req) +{ + return aead_crypt(req, false); +} + +static int ipsec_gcm_encrypt(struct aead_request *req) +{ + if (req->assoclen < 8) + return -EINVAL; + + return aead_crypt(req, true); +} + +static int ipsec_gcm_decrypt(struct aead_request *req) +{ + if (req->assoclen < 8) + return -EINVAL; + + return aead_crypt(req, false); +} + +static void ablkcipher_done(struct caam_drv_req *drv_req, u32 status) +{ + struct ablkcipher_edesc *edesc; + struct ablkcipher_request *req = drv_req->app_ctx; + struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req); + struct caam_ctx *caam_ctx = crypto_ablkcipher_ctx(ablkcipher); + struct device *qidev = caam_ctx->qidev; + int ivsize = crypto_ablkcipher_ivsize(ablkcipher); + +#ifdef DEBUG + dev_err(qidev, "%s %d: status 0x%x\n", __func__, __LINE__, status); +#endif + + edesc = container_of(drv_req, typeof(*edesc), drv_req); + + if (status) + caam_jr_strstatus(qidev, status); + +#ifdef DEBUG + print_hex_dump(KERN_ERR, "dstiv @" __stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, req->info, + edesc->src_nents > 1 ? 100 : ivsize, 1); + caam_dump_sg(KERN_ERR, "dst @" __stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, req->dst, + edesc->dst_nents > 1 ? 100 : req->nbytes, 1); +#endif + + ablkcipher_unmap(qidev, edesc, req); + + /* In case initial IV was generated, copy it in GIVCIPHER request */ + if (edesc->drv_req.drv_ctx->op_type == GIVENCRYPT) { + u8 *iv; + struct skcipher_givcrypt_request *greq; + + greq = container_of(req, struct skcipher_givcrypt_request, + creq); + iv = (u8 *)edesc->sgt + edesc->qm_sg_bytes; + memcpy(greq->giv, iv, ivsize); + } + + /* + * The crypto API expects us to set the IV (req->info) to the last + * ciphertext block. This is used e.g. by the CTS mode. + */ + if (edesc->drv_req.drv_ctx->op_type != DECRYPT) + scatterwalk_map_and_copy(req->info, req->dst, req->nbytes - + ivsize, ivsize, 0); + + qi_cache_free(edesc); + ablkcipher_request_complete(req, status); +} + +static struct ablkcipher_edesc *ablkcipher_edesc_alloc(struct ablkcipher_request + *req, bool encrypt) +{ + struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req); + struct caam_ctx *ctx = crypto_ablkcipher_ctx(ablkcipher); + struct device *qidev = ctx->qidev; + gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? + GFP_KERNEL : GFP_ATOMIC; + int src_nents, mapped_src_nents, dst_nents = 0, mapped_dst_nents = 0; + struct ablkcipher_edesc *edesc; + dma_addr_t iv_dma; + u8 *iv; + int ivsize = crypto_ablkcipher_ivsize(ablkcipher); + int dst_sg_idx, qm_sg_ents, qm_sg_bytes; + struct qm_sg_entry *sg_table, *fd_sgt; + struct caam_drv_ctx *drv_ctx; + enum optype op_type = encrypt ? ENCRYPT : DECRYPT; + + drv_ctx = get_drv_ctx(ctx, op_type); + if (unlikely(IS_ERR_OR_NULL(drv_ctx))) + return (struct ablkcipher_edesc *)drv_ctx; + + src_nents = sg_nents_for_len(req->src, req->nbytes); + if (unlikely(src_nents < 0)) { + dev_err(qidev, "Insufficient bytes (%d) in src S/G\n", + req->nbytes); + return ERR_PTR(src_nents); + } + + if (unlikely(req->src != req->dst)) { + dst_nents = sg_nents_for_len(req->dst, req->nbytes); + if (unlikely(dst_nents < 0)) { + dev_err(qidev, "Insufficient bytes (%d) in dst S/G\n", + req->nbytes); + return ERR_PTR(dst_nents); + } + + mapped_src_nents = dma_map_sg(qidev, req->src, src_nents, + DMA_TO_DEVICE); + if (unlikely(!mapped_src_nents)) { + dev_err(qidev, "unable to map source\n"); + return ERR_PTR(-ENOMEM); + } + + mapped_dst_nents = dma_map_sg(qidev, req->dst, dst_nents, + DMA_FROM_DEVICE); + if (unlikely(!mapped_dst_nents)) { + dev_err(qidev, "unable to map destination\n"); + dma_unmap_sg(qidev, req->src, src_nents, DMA_TO_DEVICE); + return ERR_PTR(-ENOMEM); + } + } else { + mapped_src_nents = dma_map_sg(qidev, req->src, src_nents, + DMA_BIDIRECTIONAL); + if (unlikely(!mapped_src_nents)) { + dev_err(qidev, "unable to map source\n"); + return ERR_PTR(-ENOMEM); + } + } + + qm_sg_ents = 1 + mapped_src_nents; + dst_sg_idx = qm_sg_ents; + + qm_sg_ents += mapped_dst_nents > 1 ? mapped_dst_nents : 0; + qm_sg_bytes = qm_sg_ents * sizeof(struct qm_sg_entry); + if (unlikely(offsetof(struct ablkcipher_edesc, sgt) + qm_sg_bytes + + ivsize > CAAM_QI_MEMCACHE_SIZE)) { + dev_err(qidev, "No space for %d S/G entries and/or %dB IV\n", + qm_sg_ents, ivsize); + caam_unmap(qidev, req->src, req->dst, src_nents, dst_nents, 0, + 0, 0, 0, 0); + return ERR_PTR(-ENOMEM); + } + + /* allocate space for base edesc, link tables and IV */ + edesc = qi_cache_alloc(GFP_DMA | flags); + if (unlikely(!edesc)) { + dev_err(qidev, "could not allocate extended descriptor\n"); + caam_unmap(qidev, req->src, req->dst, src_nents, dst_nents, 0, + 0, 0, 0, 0); + return ERR_PTR(-ENOMEM); + } + + /* Make sure IV is located in a DMAable area */ + sg_table = &edesc->sgt[0]; + iv = (u8 *)(sg_table + qm_sg_ents); + memcpy(iv, req->info, ivsize); + + iv_dma = dma_map_single(qidev, iv, ivsize, DMA_TO_DEVICE); + if (dma_mapping_error(qidev, iv_dma)) { + dev_err(qidev, "unable to map IV\n"); + caam_unmap(qidev, req->src, req->dst, src_nents, dst_nents, 0, + 0, 0, 0, 0); + qi_cache_free(edesc); + return ERR_PTR(-ENOMEM); + } + + edesc->src_nents = src_nents; + edesc->dst_nents = dst_nents; + edesc->iv_dma = iv_dma; + edesc->qm_sg_bytes = qm_sg_bytes; + edesc->drv_req.app_ctx = req; + edesc->drv_req.cbk = ablkcipher_done; + edesc->drv_req.drv_ctx = drv_ctx; + + dma_to_qm_sg_one(sg_table, iv_dma, ivsize, 0); + sg_to_qm_sg_last(req->src, mapped_src_nents, sg_table + 1, 0); + + if (mapped_dst_nents > 1) + sg_to_qm_sg_last(req->dst, mapped_dst_nents, sg_table + + dst_sg_idx, 0); + + edesc->qm_sg_dma = dma_map_single(qidev, sg_table, edesc->qm_sg_bytes, + DMA_TO_DEVICE); + if (dma_mapping_error(qidev, edesc->qm_sg_dma)) { + dev_err(qidev, "unable to map S/G table\n"); + caam_unmap(qidev, req->src, req->dst, src_nents, dst_nents, + iv_dma, ivsize, op_type, 0, 0); + qi_cache_free(edesc); + return ERR_PTR(-ENOMEM); + } + + fd_sgt = &edesc->drv_req.fd_sgt[0]; + + dma_to_qm_sg_one_last_ext(&fd_sgt[1], edesc->qm_sg_dma, + ivsize + req->nbytes, 0); + + if (req->src == req->dst) { + dma_to_qm_sg_one_ext(&fd_sgt[0], edesc->qm_sg_dma + + sizeof(*sg_table), req->nbytes, 0); + } else if (mapped_dst_nents > 1) { + dma_to_qm_sg_one_ext(&fd_sgt[0], edesc->qm_sg_dma + dst_sg_idx * + sizeof(*sg_table), req->nbytes, 0); + } else { + dma_to_qm_sg_one(&fd_sgt[0], sg_dma_address(req->dst), + req->nbytes, 0); + } + + return edesc; +} + +static struct ablkcipher_edesc *ablkcipher_giv_edesc_alloc( + struct skcipher_givcrypt_request *creq) +{ + struct ablkcipher_request *req = &creq->creq; + struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req); + struct caam_ctx *ctx = crypto_ablkcipher_ctx(ablkcipher); + struct device *qidev = ctx->qidev; + gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? + GFP_KERNEL : GFP_ATOMIC; + int src_nents, mapped_src_nents, dst_nents, mapped_dst_nents; + struct ablkcipher_edesc *edesc; + dma_addr_t iv_dma; + u8 *iv; + int ivsize = crypto_ablkcipher_ivsize(ablkcipher); + struct qm_sg_entry *sg_table, *fd_sgt; + int dst_sg_idx, qm_sg_ents, qm_sg_bytes; + struct caam_drv_ctx *drv_ctx; + + drv_ctx = get_drv_ctx(ctx, GIVENCRYPT); + if (unlikely(IS_ERR_OR_NULL(drv_ctx))) + return (struct ablkcipher_edesc *)drv_ctx; + + src_nents = sg_nents_for_len(req->src, req->nbytes); + if (unlikely(src_nents < 0)) { + dev_err(qidev, "Insufficient bytes (%d) in src S/G\n", + req->nbytes); + return ERR_PTR(src_nents); + } + + if (unlikely(req->src != req->dst)) { + dst_nents = sg_nents_for_len(req->dst, req->nbytes); + if (unlikely(dst_nents < 0)) { + dev_err(qidev, "Insufficient bytes (%d) in dst S/G\n", + req->nbytes); + return ERR_PTR(dst_nents); + } + + mapped_src_nents = dma_map_sg(qidev, req->src, src_nents, + DMA_TO_DEVICE); + if (unlikely(!mapped_src_nents)) { + dev_err(qidev, "unable to map source\n"); + return ERR_PTR(-ENOMEM); + } + + mapped_dst_nents = dma_map_sg(qidev, req->dst, dst_nents, + DMA_FROM_DEVICE); + if (unlikely(!mapped_dst_nents)) { + dev_err(qidev, "unable to map destination\n"); + dma_unmap_sg(qidev, req->src, src_nents, DMA_TO_DEVICE); + return ERR_PTR(-ENOMEM); + } + } else { + mapped_src_nents = dma_map_sg(qidev, req->src, src_nents, + DMA_BIDIRECTIONAL); + if (unlikely(!mapped_src_nents)) { + dev_err(qidev, "unable to map source\n"); + return ERR_PTR(-ENOMEM); + } + + dst_nents = src_nents; + mapped_dst_nents = src_nents; + } + + qm_sg_ents = mapped_src_nents > 1 ? mapped_src_nents : 0; + dst_sg_idx = qm_sg_ents; + + qm_sg_ents += 1 + mapped_dst_nents; + qm_sg_bytes = qm_sg_ents * sizeof(struct qm_sg_entry); + if (unlikely(offsetof(struct ablkcipher_edesc, sgt) + qm_sg_bytes + + ivsize > CAAM_QI_MEMCACHE_SIZE)) { + dev_err(qidev, "No space for %d S/G entries and/or %dB IV\n", + qm_sg_ents, ivsize); + caam_unmap(qidev, req->src, req->dst, src_nents, dst_nents, 0, + 0, 0, 0, 0); + return ERR_PTR(-ENOMEM); + } + + /* allocate space for base edesc, link tables and IV */ + edesc = qi_cache_alloc(GFP_DMA | flags); + if (!edesc) { + dev_err(qidev, "could not allocate extended descriptor\n"); + caam_unmap(qidev, req->src, req->dst, src_nents, dst_nents, 0, + 0, 0, 0, 0); + return ERR_PTR(-ENOMEM); + } + + /* Make sure IV is located in a DMAable area */ + sg_table = &edesc->sgt[0]; + iv = (u8 *)(sg_table + qm_sg_ents); + iv_dma = dma_map_single(qidev, iv, ivsize, DMA_FROM_DEVICE); + if (dma_mapping_error(qidev, iv_dma)) { + dev_err(qidev, "unable to map IV\n"); + caam_unmap(qidev, req->src, req->dst, src_nents, dst_nents, 0, + 0, 0, 0, 0); + qi_cache_free(edesc); + return ERR_PTR(-ENOMEM); + } + + edesc->src_nents = src_nents; + edesc->dst_nents = dst_nents; + edesc->iv_dma = iv_dma; + edesc->qm_sg_bytes = qm_sg_bytes; + edesc->drv_req.app_ctx = req; + edesc->drv_req.cbk = ablkcipher_done; + edesc->drv_req.drv_ctx = drv_ctx; + + if (mapped_src_nents > 1) + sg_to_qm_sg_last(req->src, mapped_src_nents, sg_table, 0); + + dma_to_qm_sg_one(sg_table + dst_sg_idx, iv_dma, ivsize, 0); + sg_to_qm_sg_last(req->dst, mapped_dst_nents, sg_table + dst_sg_idx + 1, + 0); + + edesc->qm_sg_dma = dma_map_single(qidev, sg_table, edesc->qm_sg_bytes, + DMA_TO_DEVICE); + if (dma_mapping_error(qidev, edesc->qm_sg_dma)) { + dev_err(qidev, "unable to map S/G table\n"); + caam_unmap(qidev, req->src, req->dst, src_nents, dst_nents, + iv_dma, ivsize, GIVENCRYPT, 0, 0); + qi_cache_free(edesc); + return ERR_PTR(-ENOMEM); + } + + fd_sgt = &edesc->drv_req.fd_sgt[0]; + + if (mapped_src_nents > 1) + dma_to_qm_sg_one_ext(&fd_sgt[1], edesc->qm_sg_dma, req->nbytes, + 0); + else + dma_to_qm_sg_one(&fd_sgt[1], sg_dma_address(req->src), + req->nbytes, 0); + + dma_to_qm_sg_one_ext(&fd_sgt[0], edesc->qm_sg_dma + dst_sg_idx * + sizeof(*sg_table), ivsize + req->nbytes, 0); + + return edesc; +} + +static inline int ablkcipher_crypt(struct ablkcipher_request *req, bool encrypt) +{ + struct ablkcipher_edesc *edesc; + struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req); + struct caam_ctx *ctx = crypto_ablkcipher_ctx(ablkcipher); + int ivsize = crypto_ablkcipher_ivsize(ablkcipher); + int ret; + + if (unlikely(caam_congested)) + return -EAGAIN; + + /* allocate extended descriptor */ + edesc = ablkcipher_edesc_alloc(req, encrypt); + if (IS_ERR(edesc)) + return PTR_ERR(edesc); + + /* + * The crypto API expects us to set the IV (req->info) to the last + * ciphertext block. + */ + if (!encrypt) + scatterwalk_map_and_copy(req->info, req->src, req->nbytes - + ivsize, ivsize, 0); + + ret = caam_qi_enqueue(ctx->qidev, &edesc->drv_req); + if (!ret) { + ret = -EINPROGRESS; + } else { + ablkcipher_unmap(ctx->qidev, edesc, req); + qi_cache_free(edesc); + } + + return ret; +} + +static int ablkcipher_encrypt(struct ablkcipher_request *req) +{ + return ablkcipher_crypt(req, true); +} + +static int ablkcipher_decrypt(struct ablkcipher_request *req) +{ + return ablkcipher_crypt(req, false); +} + +static int ablkcipher_givencrypt(struct skcipher_givcrypt_request *creq) +{ + struct ablkcipher_request *req = &creq->creq; + struct ablkcipher_edesc *edesc; + struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req); + struct caam_ctx *ctx = crypto_ablkcipher_ctx(ablkcipher); + int ret; + + if (unlikely(caam_congested)) + return -EAGAIN; + + /* allocate extended descriptor */ + edesc = ablkcipher_giv_edesc_alloc(creq); + if (IS_ERR(edesc)) + return PTR_ERR(edesc); + + ret = caam_qi_enqueue(ctx->qidev, &edesc->drv_req); + if (!ret) { + ret = -EINPROGRESS; + } else { + ablkcipher_unmap(ctx->qidev, edesc, req); + qi_cache_free(edesc); + } + + return ret; +} + +#define template_ablkcipher template_u.ablkcipher +struct caam_alg_template { + char name[CRYPTO_MAX_ALG_NAME]; + char driver_name[CRYPTO_MAX_ALG_NAME]; + unsigned int blocksize; + u32 type; + union { + struct ablkcipher_alg ablkcipher; + } template_u; + u32 class1_alg_type; + u32 class2_alg_type; +}; + +static struct caam_alg_template driver_algs[] = { + /* ablkcipher descriptor */ + { + .name = "cbc(aes)", + .driver_name = "cbc-aes-caam-qi", + .blocksize = AES_BLOCK_SIZE, + .type = CRYPTO_ALG_TYPE_GIVCIPHER, + .template_ablkcipher = { + .setkey = ablkcipher_setkey, + .encrypt = ablkcipher_encrypt, + .decrypt = ablkcipher_decrypt, + .givencrypt = ablkcipher_givencrypt, + .geniv = "<built-in>", + .min_keysize = AES_MIN_KEY_SIZE, + .max_keysize = AES_MAX_KEY_SIZE, + .ivsize = AES_BLOCK_SIZE, + }, + .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC, + }, + { + .name = "cbc(des3_ede)", + .driver_name = "cbc-3des-caam-qi", + .blocksize = DES3_EDE_BLOCK_SIZE, + .type = CRYPTO_ALG_TYPE_GIVCIPHER, + .template_ablkcipher = { + .setkey = ablkcipher_setkey, + .encrypt = ablkcipher_encrypt, + .decrypt = ablkcipher_decrypt, + .givencrypt = ablkcipher_givencrypt, + .geniv = "<built-in>", + .min_keysize = DES3_EDE_KEY_SIZE, + .max_keysize = DES3_EDE_KEY_SIZE, + .ivsize = DES3_EDE_BLOCK_SIZE, + }, + .class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC, + }, + { + .name = "cbc(des)", + .driver_name = "cbc-des-caam-qi", + .blocksize = DES_BLOCK_SIZE, + .type = CRYPTO_ALG_TYPE_GIVCIPHER, + .template_ablkcipher = { + .setkey = ablkcipher_setkey, + .encrypt = ablkcipher_encrypt, + .decrypt = ablkcipher_decrypt, + .givencrypt = ablkcipher_givencrypt, + .geniv = "<built-in>", + .min_keysize = DES_KEY_SIZE, + .max_keysize = DES_KEY_SIZE, + .ivsize = DES_BLOCK_SIZE, + }, + .class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC, + }, + { + .name = "ctr(aes)", + .driver_name = "ctr-aes-caam-qi", + .blocksize = 1, + .type = CRYPTO_ALG_TYPE_ABLKCIPHER, + .template_ablkcipher = { + .setkey = ablkcipher_setkey, + .encrypt = ablkcipher_encrypt, + .decrypt = ablkcipher_decrypt, + .geniv = "chainiv", + .min_keysize = AES_MIN_KEY_SIZE, + .max_keysize = AES_MAX_KEY_SIZE, + .ivsize = AES_BLOCK_SIZE, + }, + .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CTR_MOD128, + }, + { + .name = "rfc3686(ctr(aes))", + .driver_name = "rfc3686-ctr-aes-caam-qi", + .blocksize = 1, + .type = CRYPTO_ALG_TYPE_GIVCIPHER, + .template_ablkcipher = { + .setkey = ablkcipher_setkey, + .encrypt = ablkcipher_encrypt, + .decrypt = ablkcipher_decrypt, + .givencrypt = ablkcipher_givencrypt, + .geniv = "<built-in>", + .min_keysize = AES_MIN_KEY_SIZE + + CTR_RFC3686_NONCE_SIZE, + .max_keysize = AES_MAX_KEY_SIZE + + CTR_RFC3686_NONCE_SIZE, + .ivsize = CTR_RFC3686_IV_SIZE, + }, + .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CTR_MOD128, + }, + { + .name = "xts(aes)", + .driver_name = "xts-aes-caam-qi", + .blocksize = AES_BLOCK_SIZE, + .type = CRYPTO_ALG_TYPE_ABLKCIPHER, + .template_ablkcipher = { + .setkey = xts_ablkcipher_setkey, + .encrypt = ablkcipher_encrypt, + .decrypt = ablkcipher_decrypt, + .geniv = "eseqiv", + .min_keysize = 2 * AES_MIN_KEY_SIZE, + .max_keysize = 2 * AES_MAX_KEY_SIZE, + .ivsize = AES_BLOCK_SIZE, + }, + .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_XTS, + }, +}; + +static struct caam_aead_alg driver_aeads[] = { + { + .aead = { + .base = { + .cra_name = "rfc4106(gcm(aes))", + .cra_driver_name = "rfc4106-gcm-aes-caam-qi", + .cra_blocksize = 1, + }, + .setkey = rfc4106_setkey, + .setauthsize = rfc4106_setauthsize, + .encrypt = ipsec_gcm_encrypt, + .decrypt = ipsec_gcm_decrypt, + .ivsize = 8, + .maxauthsize = AES_BLOCK_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_GCM, + }, + }, + { + .aead = { + .base = { + .cra_name = "rfc4543(gcm(aes))", + .cra_driver_name = "rfc4543-gcm-aes-caam-qi", + .cra_blocksize = 1, + }, + .setkey = rfc4543_setkey, + .setauthsize = rfc4543_setauthsize, + .encrypt = ipsec_gcm_encrypt, + .decrypt = ipsec_gcm_decrypt, + .ivsize = 8, + .maxauthsize = AES_BLOCK_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_GCM, + }, + }, + /* Galois Counter Mode */ + { + .aead = { + .base = { + .cra_name = "gcm(aes)", + .cra_driver_name = "gcm-aes-caam-qi", + .cra_blocksize = 1, + }, + .setkey = gcm_setkey, + .setauthsize = gcm_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = 12, + .maxauthsize = AES_BLOCK_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_GCM, + } + }, + /* single-pass ipsec_esp descriptor */ + { + .aead = { + .base = { + .cra_name = "authenc(hmac(md5),cbc(aes))", + .cra_driver_name = "authenc-hmac-md5-" + "cbc-aes-caam-qi", + .cra_blocksize = AES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = AES_BLOCK_SIZE, + .maxauthsize = MD5_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_MD5 | + OP_ALG_AAI_HMAC_PRECOMP, + } + }, + { + .aead = { + .base = { + .cra_name = "echainiv(authenc(hmac(md5)," + "cbc(aes)))", + .cra_driver_name = "echainiv-authenc-hmac-md5-" + "cbc-aes-caam-qi", + .cra_blocksize = AES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = AES_BLOCK_SIZE, + .maxauthsize = MD5_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_MD5 | + OP_ALG_AAI_HMAC_PRECOMP, + .geniv = true, + } + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha1),cbc(aes))", + .cra_driver_name = "authenc-hmac-sha1-" + "cbc-aes-caam-qi", + .cra_blocksize = AES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = AES_BLOCK_SIZE, + .maxauthsize = SHA1_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA1 | + OP_ALG_AAI_HMAC_PRECOMP, + } + }, + { + .aead = { + .base = { + .cra_name = "echainiv(authenc(hmac(sha1)," + "cbc(aes)))", + .cra_driver_name = "echainiv-authenc-" + "hmac-sha1-cbc-aes-caam-qi", + .cra_blocksize = AES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = AES_BLOCK_SIZE, + .maxauthsize = SHA1_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA1 | + OP_ALG_AAI_HMAC_PRECOMP, + .geniv = true, + }, + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha224),cbc(aes))", + .cra_driver_name = "authenc-hmac-sha224-" + "cbc-aes-caam-qi", + .cra_blocksize = AES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = AES_BLOCK_SIZE, + .maxauthsize = SHA224_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA224 | + OP_ALG_AAI_HMAC_PRECOMP, + } + }, + { + .aead = { + .base = { + .cra_name = "echainiv(authenc(hmac(sha224)," + "cbc(aes)))", + .cra_driver_name = "echainiv-authenc-" + "hmac-sha224-cbc-aes-caam-qi", + .cra_blocksize = AES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = AES_BLOCK_SIZE, + .maxauthsize = SHA224_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA224 | + OP_ALG_AAI_HMAC_PRECOMP, + .geniv = true, + } + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha256),cbc(aes))", + .cra_driver_name = "authenc-hmac-sha256-" + "cbc-aes-caam-qi", + .cra_blocksize = AES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = AES_BLOCK_SIZE, + .maxauthsize = SHA256_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA256 | + OP_ALG_AAI_HMAC_PRECOMP, + } + }, + { + .aead = { + .base = { + .cra_name = "echainiv(authenc(hmac(sha256)," + "cbc(aes)))", + .cra_driver_name = "echainiv-authenc-" + "hmac-sha256-cbc-aes-" + "caam-qi", + .cra_blocksize = AES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = AES_BLOCK_SIZE, + .maxauthsize = SHA256_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA256 | + OP_ALG_AAI_HMAC_PRECOMP, + .geniv = true, + } + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha384),cbc(aes))", + .cra_driver_name = "authenc-hmac-sha384-" + "cbc-aes-caam-qi", + .cra_blocksize = AES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = AES_BLOCK_SIZE, + .maxauthsize = SHA384_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA384 | + OP_ALG_AAI_HMAC_PRECOMP, + } + }, + { + .aead = { + .base = { + .cra_name = "echainiv(authenc(hmac(sha384)," + "cbc(aes)))", + .cra_driver_name = "echainiv-authenc-" + "hmac-sha384-cbc-aes-" + "caam-qi", + .cra_blocksize = AES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = AES_BLOCK_SIZE, + .maxauthsize = SHA384_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA384 | + OP_ALG_AAI_HMAC_PRECOMP, + .geniv = true, + } + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha512),cbc(aes))", + .cra_driver_name = "authenc-hmac-sha512-" + "cbc-aes-caam-qi", + .cra_blocksize = AES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = AES_BLOCK_SIZE, + .maxauthsize = SHA512_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA512 | + OP_ALG_AAI_HMAC_PRECOMP, + } + }, + { + .aead = { + .base = { + .cra_name = "echainiv(authenc(hmac(sha512)," + "cbc(aes)))", + .cra_driver_name = "echainiv-authenc-" + "hmac-sha512-cbc-aes-" + "caam-qi", + .cra_blocksize = AES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = AES_BLOCK_SIZE, + .maxauthsize = SHA512_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA512 | + OP_ALG_AAI_HMAC_PRECOMP, + .geniv = true, + } + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(md5),cbc(des3_ede))", + .cra_driver_name = "authenc-hmac-md5-" + "cbc-des3_ede-caam-qi", + .cra_blocksize = DES3_EDE_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES3_EDE_BLOCK_SIZE, + .maxauthsize = MD5_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_MD5 | + OP_ALG_AAI_HMAC_PRECOMP, + } + }, + { + .aead = { + .base = { + .cra_name = "echainiv(authenc(hmac(md5)," + "cbc(des3_ede)))", + .cra_driver_name = "echainiv-authenc-hmac-md5-" + "cbc-des3_ede-caam-qi", + .cra_blocksize = DES3_EDE_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES3_EDE_BLOCK_SIZE, + .maxauthsize = MD5_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_MD5 | + OP_ALG_AAI_HMAC_PRECOMP, + .geniv = true, + } + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha1)," + "cbc(des3_ede))", + .cra_driver_name = "authenc-hmac-sha1-" + "cbc-des3_ede-caam-qi", + .cra_blocksize = DES3_EDE_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES3_EDE_BLOCK_SIZE, + .maxauthsize = SHA1_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA1 | + OP_ALG_AAI_HMAC_PRECOMP, + }, + }, + { + .aead = { + .base = { + .cra_name = "echainiv(authenc(hmac(sha1)," + "cbc(des3_ede)))", + .cra_driver_name = "echainiv-authenc-" + "hmac-sha1-" + "cbc-des3_ede-caam-qi", + .cra_blocksize = DES3_EDE_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES3_EDE_BLOCK_SIZE, + .maxauthsize = SHA1_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA1 | + OP_ALG_AAI_HMAC_PRECOMP, + .geniv = true, + } + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha224)," + "cbc(des3_ede))", + .cra_driver_name = "authenc-hmac-sha224-" + "cbc-des3_ede-caam-qi", + .cra_blocksize = DES3_EDE_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES3_EDE_BLOCK_SIZE, + .maxauthsize = SHA224_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA224 | + OP_ALG_AAI_HMAC_PRECOMP, + }, + }, + { + .aead = { + .base = { + .cra_name = "echainiv(authenc(hmac(sha224)," + "cbc(des3_ede)))", + .cra_driver_name = "echainiv-authenc-" + "hmac-sha224-" + "cbc-des3_ede-caam-qi", + .cra_blocksize = DES3_EDE_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES3_EDE_BLOCK_SIZE, + .maxauthsize = SHA224_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA224 | + OP_ALG_AAI_HMAC_PRECOMP, + .geniv = true, + } + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha256)," + "cbc(des3_ede))", + .cra_driver_name = "authenc-hmac-sha256-" + "cbc-des3_ede-caam-qi", + .cra_blocksize = DES3_EDE_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES3_EDE_BLOCK_SIZE, + .maxauthsize = SHA256_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA256 | + OP_ALG_AAI_HMAC_PRECOMP, + }, + }, + { + .aead = { + .base = { + .cra_name = "echainiv(authenc(hmac(sha256)," + "cbc(des3_ede)))", + .cra_driver_name = "echainiv-authenc-" + "hmac-sha256-" + "cbc-des3_ede-caam-qi", + .cra_blocksize = DES3_EDE_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES3_EDE_BLOCK_SIZE, + .maxauthsize = SHA256_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA256 | + OP_ALG_AAI_HMAC_PRECOMP, + .geniv = true, + } + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha384)," + "cbc(des3_ede))", + .cra_driver_name = "authenc-hmac-sha384-" + "cbc-des3_ede-caam-qi", + .cra_blocksize = DES3_EDE_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES3_EDE_BLOCK_SIZE, + .maxauthsize = SHA384_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA384 | + OP_ALG_AAI_HMAC_PRECOMP, + }, + }, + { + .aead = { + .base = { + .cra_name = "echainiv(authenc(hmac(sha384)," + "cbc(des3_ede)))", + .cra_driver_name = "echainiv-authenc-" + "hmac-sha384-" + "cbc-des3_ede-caam-qi", + .cra_blocksize = DES3_EDE_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES3_EDE_BLOCK_SIZE, + .maxauthsize = SHA384_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA384 | + OP_ALG_AAI_HMAC_PRECOMP, + .geniv = true, + } + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha512)," + "cbc(des3_ede))", + .cra_driver_name = "authenc-hmac-sha512-" + "cbc-des3_ede-caam-qi", + .cra_blocksize = DES3_EDE_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES3_EDE_BLOCK_SIZE, + .maxauthsize = SHA512_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA512 | + OP_ALG_AAI_HMAC_PRECOMP, + }, + }, + { + .aead = { + .base = { + .cra_name = "echainiv(authenc(hmac(sha512)," + "cbc(des3_ede)))", + .cra_driver_name = "echainiv-authenc-" + "hmac-sha512-" + "cbc-des3_ede-caam-qi", + .cra_blocksize = DES3_EDE_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES3_EDE_BLOCK_SIZE, + .maxauthsize = SHA512_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA512 | + OP_ALG_AAI_HMAC_PRECOMP, + .geniv = true, + } + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(md5),cbc(des))", + .cra_driver_name = "authenc-hmac-md5-" + "cbc-des-caam-qi", + .cra_blocksize = DES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES_BLOCK_SIZE, + .maxauthsize = MD5_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_MD5 | + OP_ALG_AAI_HMAC_PRECOMP, + }, + }, + { + .aead = { + .base = { + .cra_name = "echainiv(authenc(hmac(md5)," + "cbc(des)))", + .cra_driver_name = "echainiv-authenc-hmac-md5-" + "cbc-des-caam-qi", + .cra_blocksize = DES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES_BLOCK_SIZE, + .maxauthsize = MD5_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_MD5 | + OP_ALG_AAI_HMAC_PRECOMP, + .geniv = true, + } + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha1),cbc(des))", + .cra_driver_name = "authenc-hmac-sha1-" + "cbc-des-caam-qi", + .cra_blocksize = DES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES_BLOCK_SIZE, + .maxauthsize = SHA1_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA1 | + OP_ALG_AAI_HMAC_PRECOMP, + }, + }, + { + .aead = { + .base = { + .cra_name = "echainiv(authenc(hmac(sha1)," + "cbc(des)))", + .cra_driver_name = "echainiv-authenc-" + "hmac-sha1-cbc-des-caam-qi", + .cra_blocksize = DES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES_BLOCK_SIZE, + .maxauthsize = SHA1_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA1 | + OP_ALG_AAI_HMAC_PRECOMP, + .geniv = true, + } + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha224),cbc(des))", + .cra_driver_name = "authenc-hmac-sha224-" + "cbc-des-caam-qi", + .cra_blocksize = DES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES_BLOCK_SIZE, + .maxauthsize = SHA224_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA224 | + OP_ALG_AAI_HMAC_PRECOMP, + }, + }, + { + .aead = { + .base = { + .cra_name = "echainiv(authenc(hmac(sha224)," + "cbc(des)))", + .cra_driver_name = "echainiv-authenc-" + "hmac-sha224-cbc-des-" + "caam-qi", + .cra_blocksize = DES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES_BLOCK_SIZE, + .maxauthsize = SHA224_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA224 | + OP_ALG_AAI_HMAC_PRECOMP, + .geniv = true, + } + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha256),cbc(des))", + .cra_driver_name = "authenc-hmac-sha256-" + "cbc-des-caam-qi", + .cra_blocksize = DES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES_BLOCK_SIZE, + .maxauthsize = SHA256_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA256 | + OP_ALG_AAI_HMAC_PRECOMP, + }, + }, + { + .aead = { + .base = { + .cra_name = "echainiv(authenc(hmac(sha256)," + "cbc(des)))", + .cra_driver_name = "echainiv-authenc-" + "hmac-sha256-cbc-des-" + "caam-qi", + .cra_blocksize = DES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES_BLOCK_SIZE, + .maxauthsize = SHA256_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA256 | + OP_ALG_AAI_HMAC_PRECOMP, + .geniv = true, + }, + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha384),cbc(des))", + .cra_driver_name = "authenc-hmac-sha384-" + "cbc-des-caam-qi", + .cra_blocksize = DES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES_BLOCK_SIZE, + .maxauthsize = SHA384_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA384 | + OP_ALG_AAI_HMAC_PRECOMP, + }, + }, + { + .aead = { + .base = { + .cra_name = "echainiv(authenc(hmac(sha384)," + "cbc(des)))", + .cra_driver_name = "echainiv-authenc-" + "hmac-sha384-cbc-des-" + "caam-qi", + .cra_blocksize = DES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES_BLOCK_SIZE, + .maxauthsize = SHA384_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA384 | + OP_ALG_AAI_HMAC_PRECOMP, + .geniv = true, + } + }, + { + .aead = { + .base = { + .cra_name = "authenc(hmac(sha512),cbc(des))", + .cra_driver_name = "authenc-hmac-sha512-" + "cbc-des-caam-qi", + .cra_blocksize = DES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES_BLOCK_SIZE, + .maxauthsize = SHA512_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA512 | + OP_ALG_AAI_HMAC_PRECOMP, + } + }, + { + .aead = { + .base = { + .cra_name = "echainiv(authenc(hmac(sha512)," + "cbc(des)))", + .cra_driver_name = "echainiv-authenc-" + "hmac-sha512-cbc-des-" + "caam-qi", + .cra_blocksize = DES_BLOCK_SIZE, + }, + .setkey = aead_setkey, + .setauthsize = aead_setauthsize, + .encrypt = aead_encrypt, + .decrypt = aead_decrypt, + .ivsize = DES_BLOCK_SIZE, + .maxauthsize = SHA512_DIGEST_SIZE, + }, + .caam = { + .class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC, + .class2_alg_type = OP_ALG_ALGSEL_SHA512 | + OP_ALG_AAI_HMAC_PRECOMP, + .geniv = true, + } + }, +}; + +struct caam_crypto_alg { + struct list_head entry; + struct crypto_alg crypto_alg; + struct caam_alg_entry caam; +}; + +static int caam_init_common(struct caam_ctx *ctx, struct caam_alg_entry *caam, + bool uses_dkp) +{ + struct caam_drv_private *priv; + + /* + * distribute tfms across job rings to ensure in-order + * crypto request processing per tfm + */ + ctx->jrdev = caam_jr_alloc(); + if (IS_ERR(ctx->jrdev)) { + pr_err("Job Ring Device allocation for transform failed\n"); + return PTR_ERR(ctx->jrdev); + } + + priv = dev_get_drvdata(ctx->jrdev->parent); + if (priv->era >= 6 && uses_dkp) + ctx->dir = DMA_BIDIRECTIONAL; + else + ctx->dir = DMA_TO_DEVICE; + + ctx->key_dma = dma_map_single(ctx->jrdev, ctx->key, sizeof(ctx->key), + ctx->dir); + if (dma_mapping_error(ctx->jrdev, ctx->key_dma)) { + dev_err(ctx->jrdev, "unable to map key\n"); + caam_jr_free(ctx->jrdev); + return -ENOMEM; + } + + /* copy descriptor header template value */ + ctx->cdata.algtype = OP_TYPE_CLASS1_ALG | caam->class1_alg_type; + ctx->adata.algtype = OP_TYPE_CLASS2_ALG | caam->class2_alg_type; + + ctx->qidev = priv->qidev; + + spin_lock_init(&ctx->lock); + ctx->drv_ctx[ENCRYPT] = NULL; + ctx->drv_ctx[DECRYPT] = NULL; + ctx->drv_ctx[GIVENCRYPT] = NULL; + + return 0; +} + +static int caam_cra_init(struct crypto_tfm *tfm) +{ + struct crypto_alg *alg = tfm->__crt_alg; + struct caam_crypto_alg *caam_alg = container_of(alg, typeof(*caam_alg), + crypto_alg); + struct caam_ctx *ctx = crypto_tfm_ctx(tfm); + + return caam_init_common(ctx, &caam_alg->caam, false); +} + +static int caam_aead_init(struct crypto_aead *tfm) +{ + struct aead_alg *alg = crypto_aead_alg(tfm); + struct caam_aead_alg *caam_alg = container_of(alg, typeof(*caam_alg), + aead); + struct caam_ctx *ctx = crypto_aead_ctx(tfm); + + return caam_init_common(ctx, &caam_alg->caam, + alg->setkey == aead_setkey); +} + +static void caam_exit_common(struct caam_ctx *ctx) +{ + caam_drv_ctx_rel(ctx->drv_ctx[ENCRYPT]); + caam_drv_ctx_rel(ctx->drv_ctx[DECRYPT]); + caam_drv_ctx_rel(ctx->drv_ctx[GIVENCRYPT]); + + dma_unmap_single(ctx->jrdev, ctx->key_dma, sizeof(ctx->key), ctx->dir); + + caam_jr_free(ctx->jrdev); +} + +static void caam_cra_exit(struct crypto_tfm *tfm) +{ + caam_exit_common(crypto_tfm_ctx(tfm)); +} + +static void caam_aead_exit(struct crypto_aead *tfm) +{ + caam_exit_common(crypto_aead_ctx(tfm)); +} + +static struct list_head alg_list; +static void __exit caam_qi_algapi_exit(void) +{ + struct caam_crypto_alg *t_alg, *n; + int i; + + for (i = 0; i < ARRAY_SIZE(driver_aeads); i++) { + struct caam_aead_alg *t_alg = driver_aeads + i; + + if (t_alg->registered) + crypto_unregister_aead(&t_alg->aead); + } + + if (!alg_list.next) + return; + + list_for_each_entry_safe(t_alg, n, &alg_list, entry) { + crypto_unregister_alg(&t_alg->crypto_alg); + list_del(&t_alg->entry); + kfree(t_alg); + } +} + +static struct caam_crypto_alg *caam_alg_alloc(struct caam_alg_template + *template) +{ + struct caam_crypto_alg *t_alg; + struct crypto_alg *alg; + + t_alg = kzalloc(sizeof(*t_alg), GFP_KERNEL); + if (!t_alg) + return ERR_PTR(-ENOMEM); + + alg = &t_alg->crypto_alg; + + snprintf(alg->cra_name, CRYPTO_MAX_ALG_NAME, "%s", template->name); + snprintf(alg->cra_driver_name, CRYPTO_MAX_ALG_NAME, "%s", + template->driver_name); + alg->cra_module = THIS_MODULE; + alg->cra_init = caam_cra_init; + alg->cra_exit = caam_cra_exit; + alg->cra_priority = CAAM_CRA_PRIORITY; + alg->cra_blocksize = template->blocksize; + alg->cra_alignmask = 0; + alg->cra_ctxsize = sizeof(struct caam_ctx); + alg->cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_KERN_DRIVER_ONLY | + template->type; + switch (template->type) { + case CRYPTO_ALG_TYPE_GIVCIPHER: + alg->cra_type = &crypto_givcipher_type; + alg->cra_ablkcipher = template->template_ablkcipher; + break; + case CRYPTO_ALG_TYPE_ABLKCIPHER: + alg->cra_type = &crypto_ablkcipher_type; + alg->cra_ablkcipher = template->template_ablkcipher; + break; + } + + t_alg->caam.class1_alg_type = template->class1_alg_type; + t_alg->caam.class2_alg_type = template->class2_alg_type; + + return t_alg; +} + +static void caam_aead_alg_init(struct caam_aead_alg *t_alg) +{ + struct aead_alg *alg = &t_alg->aead; + + alg->base.cra_module = THIS_MODULE; + alg->base.cra_priority = CAAM_CRA_PRIORITY; + alg->base.cra_ctxsize = sizeof(struct caam_ctx); + alg->base.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_KERN_DRIVER_ONLY; + + alg->init = caam_aead_init; + alg->exit = caam_aead_exit; +} + +static int __init caam_qi_algapi_init(void) +{ + struct device_node *dev_node; + struct platform_device *pdev; + struct device *ctrldev; + struct caam_drv_private *priv; + int i = 0, err = 0; + u32 cha_vid, cha_inst, des_inst, aes_inst, md_inst; + unsigned int md_limit = SHA512_DIGEST_SIZE; + bool registered = false; + + dev_node = of_find_compatible_node(NULL, NULL, "fsl,sec-v4.0"); + if (!dev_node) { + dev_node = of_find_compatible_node(NULL, NULL, "fsl,sec4.0"); + if (!dev_node) + return -ENODEV; + } + + pdev = of_find_device_by_node(dev_node); + of_node_put(dev_node); + if (!pdev) + return -ENODEV; + + ctrldev = &pdev->dev; + priv = dev_get_drvdata(ctrldev); + + /* + * If priv is NULL, it's probably because the caam driver wasn't + * properly initialized (e.g. RNG4 init failed). Thus, bail out here. + */ + if (!priv || !priv->qi_present) + return -ENODEV; + + if (caam_dpaa2) { + dev_info(ctrldev, "caam/qi frontend driver not suitable for DPAA 2.x, aborting...\n"); + return -ENODEV; + } + + INIT_LIST_HEAD(&alg_list); + + /* + * Register crypto algorithms the device supports. + * First, detect presence and attributes of DES, AES, and MD blocks. + */ + cha_vid = rd_reg32(&priv->ctrl->perfmon.cha_id_ls); + cha_inst = rd_reg32(&priv->ctrl->perfmon.cha_num_ls); + des_inst = (cha_inst & CHA_ID_LS_DES_MASK) >> CHA_ID_LS_DES_SHIFT; + aes_inst = (cha_inst & CHA_ID_LS_AES_MASK) >> CHA_ID_LS_AES_SHIFT; + md_inst = (cha_inst & CHA_ID_LS_MD_MASK) >> CHA_ID_LS_MD_SHIFT; + + /* If MD is present, limit digest size based on LP256 */ + if (md_inst && ((cha_vid & CHA_ID_LS_MD_MASK) == CHA_ID_LS_MD_LP256)) + md_limit = SHA256_DIGEST_SIZE; + + for (i = 0; i < ARRAY_SIZE(driver_algs); i++) { + struct caam_crypto_alg *t_alg; + struct caam_alg_template *alg = driver_algs + i; + u32 alg_sel = alg->class1_alg_type & OP_ALG_ALGSEL_MASK; + + /* Skip DES algorithms if not supported by device */ + if (!des_inst && + ((alg_sel == OP_ALG_ALGSEL_3DES) || + (alg_sel == OP_ALG_ALGSEL_DES))) + continue; + + /* Skip AES algorithms if not supported by device */ + if (!aes_inst && (alg_sel == OP_ALG_ALGSEL_AES)) + continue; + + t_alg = caam_alg_alloc(alg); + if (IS_ERR(t_alg)) { + err = PTR_ERR(t_alg); + dev_warn(priv->qidev, "%s alg allocation failed\n", + alg->driver_name); + continue; + } + + err = crypto_register_alg(&t_alg->crypto_alg); + if (err) { + dev_warn(priv->qidev, "%s alg registration failed\n", + t_alg->crypto_alg.cra_driver_name); + kfree(t_alg); + continue; + } + + list_add_tail(&t_alg->entry, &alg_list); + registered = true; + } + + for (i = 0; i < ARRAY_SIZE(driver_aeads); i++) { + struct caam_aead_alg *t_alg = driver_aeads + i; + u32 c1_alg_sel = t_alg->caam.class1_alg_type & + OP_ALG_ALGSEL_MASK; + u32 c2_alg_sel = t_alg->caam.class2_alg_type & + OP_ALG_ALGSEL_MASK; + u32 alg_aai = t_alg->caam.class1_alg_type & OP_ALG_AAI_MASK; + + /* Skip DES algorithms if not supported by device */ + if (!des_inst && + ((c1_alg_sel == OP_ALG_ALGSEL_3DES) || + (c1_alg_sel == OP_ALG_ALGSEL_DES))) + continue; + + /* Skip AES algorithms if not supported by device */ + if (!aes_inst && (c1_alg_sel == OP_ALG_ALGSEL_AES)) + continue; + + /* + * Check support for AES algorithms not available + * on LP devices. + */ + if (((cha_vid & CHA_ID_LS_AES_MASK) == CHA_ID_LS_AES_LP) && + (alg_aai == OP_ALG_AAI_GCM)) + continue; + + /* + * Skip algorithms requiring message digests + * if MD or MD size is not supported by device. + */ + if (c2_alg_sel && + (!md_inst || (t_alg->aead.maxauthsize > md_limit))) + continue; + + caam_aead_alg_init(t_alg); + + err = crypto_register_aead(&t_alg->aead); + if (err) { + pr_warn("%s alg registration failed\n", + t_alg->aead.base.cra_driver_name); + continue; + } + + t_alg->registered = true; + registered = true; + } + + if (registered) + dev_info(priv->qidev, "algorithms registered in /proc/crypto\n"); + + return err; +} + +module_init(caam_qi_algapi_init); +module_exit(caam_qi_algapi_exit); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Support for crypto API using CAAM-QI backend"); +MODULE_AUTHOR("Freescale Semiconductor"); diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c new file mode 100644 index 000000000..f5fd00065 --- /dev/null +++ b/drivers/crypto/caam/caamhash.c @@ -0,0 +1,1924 @@ +/* + * caam - Freescale FSL CAAM support for ahash functions of crypto API + * + * Copyright 2011 Freescale Semiconductor, Inc. + * + * Based on caamalg.c crypto API driver. + * + * relationship of digest job descriptor or first job descriptor after init to + * shared descriptors: + * + * --------------- --------------- + * | JobDesc #1 |-------------------->| ShareDesc | + * | *(packet 1) | | (hashKey) | + * --------------- | (operation) | + * --------------- + * + * relationship of subsequent job descriptors to shared descriptors: + * + * --------------- --------------- + * | JobDesc #2 |-------------------->| ShareDesc | + * | *(packet 2) | |------------->| (hashKey) | + * --------------- | |-------->| (operation) | + * . | | | (load ctx2) | + * . | | --------------- + * --------------- | | + * | JobDesc #3 |------| | + * | *(packet 3) | | + * --------------- | + * . | + * . | + * --------------- | + * | JobDesc #4 |------------ + * | *(packet 4) | + * --------------- + * + * The SharedDesc never changes for a connection unless rekeyed, but + * each packet will likely be in a different place. So all we need + * to know to process the packet is where the input is, where the + * output goes, and what context we want to process with. Context is + * in the SharedDesc, packet references in the JobDesc. + * + * So, a job desc looks like: + * + * --------------------- + * | Header | + * | ShareDesc Pointer | + * | SEQ_OUT_PTR | + * | (output buffer) | + * | (output length) | + * | SEQ_IN_PTR | + * | (input buffer) | + * | (input length) | + * --------------------- + */ + +#include "compat.h" + +#include "regs.h" +#include "intern.h" +#include "desc_constr.h" +#include "jr.h" +#include "error.h" +#include "sg_sw_sec4.h" +#include "key_gen.h" + +#define CAAM_CRA_PRIORITY 3000 + +/* max hash key is max split key size */ +#define CAAM_MAX_HASH_KEY_SIZE (SHA512_DIGEST_SIZE * 2) + +#define CAAM_MAX_HASH_BLOCK_SIZE SHA512_BLOCK_SIZE +#define CAAM_MAX_HASH_DIGEST_SIZE SHA512_DIGEST_SIZE + +/* length of descriptors text */ +#define DESC_AHASH_BASE (3 * CAAM_CMD_SZ) +#define DESC_AHASH_UPDATE_LEN (6 * CAAM_CMD_SZ) +#define DESC_AHASH_UPDATE_FIRST_LEN (DESC_AHASH_BASE + 4 * CAAM_CMD_SZ) +#define DESC_AHASH_FINAL_LEN (DESC_AHASH_BASE + 5 * CAAM_CMD_SZ) +#define DESC_AHASH_FINUP_LEN (DESC_AHASH_BASE + 5 * CAAM_CMD_SZ) +#define DESC_AHASH_DIGEST_LEN (DESC_AHASH_BASE + 4 * CAAM_CMD_SZ) + +#define DESC_HASH_MAX_USED_BYTES (DESC_AHASH_FINAL_LEN + \ + CAAM_MAX_HASH_KEY_SIZE) +#define DESC_HASH_MAX_USED_LEN (DESC_HASH_MAX_USED_BYTES / CAAM_CMD_SZ) + +/* caam context sizes for hashes: running digest + 8 */ +#define HASH_MSG_LEN 8 +#define MAX_CTX_LEN (HASH_MSG_LEN + SHA512_DIGEST_SIZE) + +#ifdef DEBUG +/* for print_hex_dumps with line references */ +#define debug(format, arg...) printk(format, arg) +#else +#define debug(format, arg...) +#endif + + +static struct list_head hash_list; + +/* ahash per-session context */ +struct caam_hash_ctx { + u32 sh_desc_update[DESC_HASH_MAX_USED_LEN] ____cacheline_aligned; + u32 sh_desc_update_first[DESC_HASH_MAX_USED_LEN] ____cacheline_aligned; + u32 sh_desc_fin[DESC_HASH_MAX_USED_LEN] ____cacheline_aligned; + u32 sh_desc_digest[DESC_HASH_MAX_USED_LEN] ____cacheline_aligned; + dma_addr_t sh_desc_update_dma ____cacheline_aligned; + dma_addr_t sh_desc_update_first_dma; + dma_addr_t sh_desc_fin_dma; + dma_addr_t sh_desc_digest_dma; + enum dma_data_direction dir; + struct device *jrdev; + u8 key[CAAM_MAX_HASH_KEY_SIZE]; + int ctx_len; + struct alginfo adata; +}; + +/* ahash state */ +struct caam_hash_state { + dma_addr_t buf_dma; + dma_addr_t ctx_dma; + int ctx_dma_len; + u8 buf_0[CAAM_MAX_HASH_BLOCK_SIZE] ____cacheline_aligned; + int buflen_0; + u8 buf_1[CAAM_MAX_HASH_BLOCK_SIZE] ____cacheline_aligned; + int buflen_1; + u8 caam_ctx[MAX_CTX_LEN] ____cacheline_aligned; + int (*update)(struct ahash_request *req); + int (*final)(struct ahash_request *req); + int (*finup)(struct ahash_request *req); + int current_buf; +}; + +struct caam_export_state { + u8 buf[CAAM_MAX_HASH_BLOCK_SIZE]; + u8 caam_ctx[MAX_CTX_LEN]; + int buflen; + int (*update)(struct ahash_request *req); + int (*final)(struct ahash_request *req); + int (*finup)(struct ahash_request *req); +}; + +static inline void switch_buf(struct caam_hash_state *state) +{ + state->current_buf ^= 1; +} + +static inline u8 *current_buf(struct caam_hash_state *state) +{ + return state->current_buf ? state->buf_1 : state->buf_0; +} + +static inline u8 *alt_buf(struct caam_hash_state *state) +{ + return state->current_buf ? state->buf_0 : state->buf_1; +} + +static inline int *current_buflen(struct caam_hash_state *state) +{ + return state->current_buf ? &state->buflen_1 : &state->buflen_0; +} + +static inline int *alt_buflen(struct caam_hash_state *state) +{ + return state->current_buf ? &state->buflen_0 : &state->buflen_1; +} + +/* Common job descriptor seq in/out ptr routines */ + +/* Map state->caam_ctx, and append seq_out_ptr command that points to it */ +static inline int map_seq_out_ptr_ctx(u32 *desc, struct device *jrdev, + struct caam_hash_state *state, + int ctx_len) +{ + state->ctx_dma_len = ctx_len; + state->ctx_dma = dma_map_single(jrdev, state->caam_ctx, + ctx_len, DMA_FROM_DEVICE); + if (dma_mapping_error(jrdev, state->ctx_dma)) { + dev_err(jrdev, "unable to map ctx\n"); + state->ctx_dma = 0; + return -ENOMEM; + } + + append_seq_out_ptr(desc, state->ctx_dma, ctx_len, 0); + + return 0; +} + +/* Map current buffer in state (if length > 0) and put it in link table */ +static inline int buf_map_to_sec4_sg(struct device *jrdev, + struct sec4_sg_entry *sec4_sg, + struct caam_hash_state *state) +{ + int buflen = *current_buflen(state); + + if (!buflen) + return 0; + + state->buf_dma = dma_map_single(jrdev, current_buf(state), buflen, + DMA_TO_DEVICE); + if (dma_mapping_error(jrdev, state->buf_dma)) { + dev_err(jrdev, "unable to map buf\n"); + state->buf_dma = 0; + return -ENOMEM; + } + + dma_to_sec4_sg_one(sec4_sg, state->buf_dma, buflen, 0); + + return 0; +} + +/* Map state->caam_ctx, and add it to link table */ +static inline int ctx_map_to_sec4_sg(struct device *jrdev, + struct caam_hash_state *state, int ctx_len, + struct sec4_sg_entry *sec4_sg, u32 flag) +{ + state->ctx_dma_len = ctx_len; + state->ctx_dma = dma_map_single(jrdev, state->caam_ctx, ctx_len, flag); + if (dma_mapping_error(jrdev, state->ctx_dma)) { + dev_err(jrdev, "unable to map ctx\n"); + state->ctx_dma = 0; + return -ENOMEM; + } + + dma_to_sec4_sg_one(sec4_sg, state->ctx_dma, ctx_len, 0); + + return 0; +} + +/* + * For ahash update, final and finup (import_ctx = true) + * import context, read and write to seqout + * For ahash firsts and digest (import_ctx = false) + * read and write to seqout + */ +static inline void ahash_gen_sh_desc(u32 *desc, u32 state, int digestsize, + struct caam_hash_ctx *ctx, bool import_ctx, + int era) +{ + u32 op = ctx->adata.algtype; + u32 *skip_key_load; + + init_sh_desc(desc, HDR_SHARE_SERIAL); + + /* Append key if it has been set; ahash update excluded */ + if ((state != OP_ALG_AS_UPDATE) && (ctx->adata.keylen)) { + /* Skip key loading if already shared */ + skip_key_load = append_jump(desc, JUMP_JSL | JUMP_TEST_ALL | + JUMP_COND_SHRD); + + if (era < 6) + append_key_as_imm(desc, ctx->key, ctx->adata.keylen_pad, + ctx->adata.keylen, CLASS_2 | + KEY_DEST_MDHA_SPLIT | KEY_ENC); + else + append_proto_dkp(desc, &ctx->adata); + + set_jump_tgt_here(desc, skip_key_load); + + op |= OP_ALG_AAI_HMAC_PRECOMP; + } + + /* If needed, import context from software */ + if (import_ctx) + append_seq_load(desc, ctx->ctx_len, LDST_CLASS_2_CCB | + LDST_SRCDST_BYTE_CONTEXT); + + /* Class 2 operation */ + append_operation(desc, op | state | OP_ALG_ENCRYPT); + + /* + * Load from buf and/or src and write to req->result or state->context + * Calculate remaining bytes to read + */ + append_math_add(desc, VARSEQINLEN, SEQINLEN, REG0, CAAM_CMD_SZ); + /* Read remaining bytes */ + append_seq_fifo_load(desc, 0, FIFOLD_CLASS_CLASS2 | FIFOLD_TYPE_LAST2 | + FIFOLD_TYPE_MSG | KEY_VLF); + /* Store class2 context bytes */ + append_seq_store(desc, digestsize, LDST_CLASS_2_CCB | + LDST_SRCDST_BYTE_CONTEXT); +} + +static int ahash_set_sh_desc(struct crypto_ahash *ahash) +{ + struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash); + int digestsize = crypto_ahash_digestsize(ahash); + struct device *jrdev = ctx->jrdev; + struct caam_drv_private *ctrlpriv = dev_get_drvdata(jrdev->parent); + u32 *desc; + + ctx->adata.key_virt = ctx->key; + + /* ahash_update shared descriptor */ + desc = ctx->sh_desc_update; + ahash_gen_sh_desc(desc, OP_ALG_AS_UPDATE, ctx->ctx_len, ctx, true, + ctrlpriv->era); + dma_sync_single_for_device(jrdev, ctx->sh_desc_update_dma, + desc_bytes(desc), ctx->dir); +#ifdef DEBUG + print_hex_dump(KERN_ERR, + "ahash update shdesc@"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, desc, desc_bytes(desc), 1); +#endif + + /* ahash_update_first shared descriptor */ + desc = ctx->sh_desc_update_first; + ahash_gen_sh_desc(desc, OP_ALG_AS_INIT, ctx->ctx_len, ctx, false, + ctrlpriv->era); + dma_sync_single_for_device(jrdev, ctx->sh_desc_update_first_dma, + desc_bytes(desc), ctx->dir); +#ifdef DEBUG + print_hex_dump(KERN_ERR, + "ahash update first shdesc@"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, desc, desc_bytes(desc), 1); +#endif + + /* ahash_final shared descriptor */ + desc = ctx->sh_desc_fin; + ahash_gen_sh_desc(desc, OP_ALG_AS_FINALIZE, digestsize, ctx, true, + ctrlpriv->era); + dma_sync_single_for_device(jrdev, ctx->sh_desc_fin_dma, + desc_bytes(desc), ctx->dir); +#ifdef DEBUG + print_hex_dump(KERN_ERR, "ahash final shdesc@"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, desc, + desc_bytes(desc), 1); +#endif + + /* ahash_digest shared descriptor */ + desc = ctx->sh_desc_digest; + ahash_gen_sh_desc(desc, OP_ALG_AS_INITFINAL, digestsize, ctx, false, + ctrlpriv->era); + dma_sync_single_for_device(jrdev, ctx->sh_desc_digest_dma, + desc_bytes(desc), ctx->dir); +#ifdef DEBUG + print_hex_dump(KERN_ERR, + "ahash digest shdesc@"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, desc, + desc_bytes(desc), 1); +#endif + + return 0; +} + +/* Digest hash size if it is too large */ +static int hash_digest_key(struct caam_hash_ctx *ctx, const u8 *key_in, + u32 *keylen, u8 *key_out, u32 digestsize) +{ + struct device *jrdev = ctx->jrdev; + u32 *desc; + struct split_key_result result; + dma_addr_t src_dma, dst_dma; + int ret; + + desc = kmalloc(CAAM_CMD_SZ * 8 + CAAM_PTR_SZ * 2, GFP_KERNEL | GFP_DMA); + if (!desc) { + dev_err(jrdev, "unable to allocate key input memory\n"); + return -ENOMEM; + } + + init_job_desc(desc, 0); + + src_dma = dma_map_single(jrdev, (void *)key_in, *keylen, + DMA_TO_DEVICE); + if (dma_mapping_error(jrdev, src_dma)) { + dev_err(jrdev, "unable to map key input memory\n"); + kfree(desc); + return -ENOMEM; + } + dst_dma = dma_map_single(jrdev, (void *)key_out, digestsize, + DMA_FROM_DEVICE); + if (dma_mapping_error(jrdev, dst_dma)) { + dev_err(jrdev, "unable to map key output memory\n"); + dma_unmap_single(jrdev, src_dma, *keylen, DMA_TO_DEVICE); + kfree(desc); + return -ENOMEM; + } + + /* Job descriptor to perform unkeyed hash on key_in */ + append_operation(desc, ctx->adata.algtype | OP_ALG_ENCRYPT | + OP_ALG_AS_INITFINAL); + append_seq_in_ptr(desc, src_dma, *keylen, 0); + append_seq_fifo_load(desc, *keylen, FIFOLD_CLASS_CLASS2 | + FIFOLD_TYPE_LAST2 | FIFOLD_TYPE_MSG); + append_seq_out_ptr(desc, dst_dma, digestsize, 0); + append_seq_store(desc, digestsize, LDST_CLASS_2_CCB | + LDST_SRCDST_BYTE_CONTEXT); + +#ifdef DEBUG + print_hex_dump(KERN_ERR, "key_in@"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, key_in, *keylen, 1); + print_hex_dump(KERN_ERR, "jobdesc@"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, desc, desc_bytes(desc), 1); +#endif + + result.err = 0; + init_completion(&result.completion); + + ret = caam_jr_enqueue(jrdev, desc, split_key_done, &result); + if (!ret) { + /* in progress */ + wait_for_completion(&result.completion); + ret = result.err; +#ifdef DEBUG + print_hex_dump(KERN_ERR, + "digested key@"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, key_in, + digestsize, 1); +#endif + } + dma_unmap_single(jrdev, src_dma, *keylen, DMA_TO_DEVICE); + dma_unmap_single(jrdev, dst_dma, digestsize, DMA_FROM_DEVICE); + + *keylen = digestsize; + + kfree(desc); + + return ret; +} + +static int ahash_setkey(struct crypto_ahash *ahash, + const u8 *key, unsigned int keylen) +{ + struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash); + int blocksize = crypto_tfm_alg_blocksize(&ahash->base); + int digestsize = crypto_ahash_digestsize(ahash); + struct caam_drv_private *ctrlpriv = dev_get_drvdata(ctx->jrdev->parent); + int ret; + u8 *hashed_key = NULL; + +#ifdef DEBUG + printk(KERN_ERR "keylen %d\n", keylen); +#endif + + if (keylen > blocksize) { + hashed_key = kmalloc_array(digestsize, + sizeof(*hashed_key), + GFP_KERNEL | GFP_DMA); + if (!hashed_key) + return -ENOMEM; + ret = hash_digest_key(ctx, key, &keylen, hashed_key, + digestsize); + if (ret) + goto bad_free_key; + key = hashed_key; + } + + /* + * If DKP is supported, use it in the shared descriptor to generate + * the split key. + */ + if (ctrlpriv->era >= 6) { + ctx->adata.key_inline = true; + ctx->adata.keylen = keylen; + ctx->adata.keylen_pad = split_key_len(ctx->adata.algtype & + OP_ALG_ALGSEL_MASK); + + if (ctx->adata.keylen_pad > CAAM_MAX_HASH_KEY_SIZE) + goto bad_free_key; + + memcpy(ctx->key, key, keylen); + } else { + ret = gen_split_key(ctx->jrdev, ctx->key, &ctx->adata, key, + keylen, CAAM_MAX_HASH_KEY_SIZE); + if (ret) + goto bad_free_key; + } + + kfree(hashed_key); + return ahash_set_sh_desc(ahash); + bad_free_key: + kfree(hashed_key); + crypto_ahash_set_flags(ahash, CRYPTO_TFM_RES_BAD_KEY_LEN); + return -EINVAL; +} + +/* + * ahash_edesc - s/w-extended ahash descriptor + * @sec4_sg_dma: physical mapped address of h/w link table + * @src_nents: number of segments in input scatterlist + * @sec4_sg_bytes: length of dma mapped sec4_sg space + * @hw_desc: the h/w job descriptor followed by any referenced link tables + * @sec4_sg: h/w link table + */ +struct ahash_edesc { + dma_addr_t sec4_sg_dma; + int src_nents; + int sec4_sg_bytes; + u32 hw_desc[DESC_JOB_IO_LEN / sizeof(u32)] ____cacheline_aligned; + struct sec4_sg_entry sec4_sg[0]; +}; + +static inline void ahash_unmap(struct device *dev, + struct ahash_edesc *edesc, + struct ahash_request *req, int dst_len) +{ + struct caam_hash_state *state = ahash_request_ctx(req); + + if (edesc->src_nents) + dma_unmap_sg(dev, req->src, edesc->src_nents, DMA_TO_DEVICE); + + if (edesc->sec4_sg_bytes) + dma_unmap_single(dev, edesc->sec4_sg_dma, + edesc->sec4_sg_bytes, DMA_TO_DEVICE); + + if (state->buf_dma) { + dma_unmap_single(dev, state->buf_dma, *current_buflen(state), + DMA_TO_DEVICE); + state->buf_dma = 0; + } +} + +static inline void ahash_unmap_ctx(struct device *dev, + struct ahash_edesc *edesc, + struct ahash_request *req, int dst_len, u32 flag) +{ + struct caam_hash_state *state = ahash_request_ctx(req); + + if (state->ctx_dma) { + dma_unmap_single(dev, state->ctx_dma, state->ctx_dma_len, flag); + state->ctx_dma = 0; + } + ahash_unmap(dev, edesc, req, dst_len); +} + +static void ahash_done(struct device *jrdev, u32 *desc, u32 err, + void *context) +{ + struct ahash_request *req = context; + struct ahash_edesc *edesc; + struct crypto_ahash *ahash = crypto_ahash_reqtfm(req); + int digestsize = crypto_ahash_digestsize(ahash); + struct caam_hash_state *state = ahash_request_ctx(req); +#ifdef DEBUG + struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash); + + dev_err(jrdev, "%s %d: err 0x%x\n", __func__, __LINE__, err); +#endif + + edesc = container_of(desc, struct ahash_edesc, hw_desc[0]); + if (err) + caam_jr_strstatus(jrdev, err); + + ahash_unmap_ctx(jrdev, edesc, req, digestsize, DMA_FROM_DEVICE); + memcpy(req->result, state->caam_ctx, digestsize); + kfree(edesc); + +#ifdef DEBUG + print_hex_dump(KERN_ERR, "ctx@"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, state->caam_ctx, + ctx->ctx_len, 1); +#endif + + req->base.complete(&req->base, err); +} + +static void ahash_done_bi(struct device *jrdev, u32 *desc, u32 err, + void *context) +{ + struct ahash_request *req = context; + struct ahash_edesc *edesc; + struct crypto_ahash *ahash = crypto_ahash_reqtfm(req); + struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash); + struct caam_hash_state *state = ahash_request_ctx(req); +#ifdef DEBUG + int digestsize = crypto_ahash_digestsize(ahash); + + dev_err(jrdev, "%s %d: err 0x%x\n", __func__, __LINE__, err); +#endif + + edesc = container_of(desc, struct ahash_edesc, hw_desc[0]); + if (err) + caam_jr_strstatus(jrdev, err); + + ahash_unmap_ctx(jrdev, edesc, req, ctx->ctx_len, DMA_BIDIRECTIONAL); + switch_buf(state); + kfree(edesc); + +#ifdef DEBUG + print_hex_dump(KERN_ERR, "ctx@"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, state->caam_ctx, + ctx->ctx_len, 1); + if (req->result) + print_hex_dump(KERN_ERR, "result@"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, req->result, + digestsize, 1); +#endif + + req->base.complete(&req->base, err); +} + +static void ahash_done_ctx_src(struct device *jrdev, u32 *desc, u32 err, + void *context) +{ + struct ahash_request *req = context; + struct ahash_edesc *edesc; + struct crypto_ahash *ahash = crypto_ahash_reqtfm(req); + int digestsize = crypto_ahash_digestsize(ahash); + struct caam_hash_state *state = ahash_request_ctx(req); +#ifdef DEBUG + struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash); + + dev_err(jrdev, "%s %d: err 0x%x\n", __func__, __LINE__, err); +#endif + + edesc = container_of(desc, struct ahash_edesc, hw_desc[0]); + if (err) + caam_jr_strstatus(jrdev, err); + + ahash_unmap_ctx(jrdev, edesc, req, digestsize, DMA_BIDIRECTIONAL); + memcpy(req->result, state->caam_ctx, digestsize); + kfree(edesc); + +#ifdef DEBUG + print_hex_dump(KERN_ERR, "ctx@"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, state->caam_ctx, + ctx->ctx_len, 1); +#endif + + req->base.complete(&req->base, err); +} + +static void ahash_done_ctx_dst(struct device *jrdev, u32 *desc, u32 err, + void *context) +{ + struct ahash_request *req = context; + struct ahash_edesc *edesc; + struct crypto_ahash *ahash = crypto_ahash_reqtfm(req); + struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash); + struct caam_hash_state *state = ahash_request_ctx(req); +#ifdef DEBUG + int digestsize = crypto_ahash_digestsize(ahash); + + dev_err(jrdev, "%s %d: err 0x%x\n", __func__, __LINE__, err); +#endif + + edesc = container_of(desc, struct ahash_edesc, hw_desc[0]); + if (err) + caam_jr_strstatus(jrdev, err); + + ahash_unmap_ctx(jrdev, edesc, req, ctx->ctx_len, DMA_FROM_DEVICE); + switch_buf(state); + kfree(edesc); + +#ifdef DEBUG + print_hex_dump(KERN_ERR, "ctx@"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, state->caam_ctx, + ctx->ctx_len, 1); + if (req->result) + print_hex_dump(KERN_ERR, "result@"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, req->result, + digestsize, 1); +#endif + + req->base.complete(&req->base, err); +} + +/* + * Allocate an enhanced descriptor, which contains the hardware descriptor + * and space for hardware scatter table containing sg_num entries. + */ +static struct ahash_edesc *ahash_edesc_alloc(struct caam_hash_ctx *ctx, + int sg_num, u32 *sh_desc, + dma_addr_t sh_desc_dma, + gfp_t flags) +{ + struct ahash_edesc *edesc; + unsigned int sg_size = sg_num * sizeof(struct sec4_sg_entry); + + edesc = kzalloc(sizeof(*edesc) + sg_size, GFP_DMA | flags); + if (!edesc) { + dev_err(ctx->jrdev, "could not allocate extended descriptor\n"); + return NULL; + } + + init_job_desc_shared(edesc->hw_desc, sh_desc_dma, desc_len(sh_desc), + HDR_SHARE_DEFER | HDR_REVERSE); + + return edesc; +} + +static int ahash_edesc_add_src(struct caam_hash_ctx *ctx, + struct ahash_edesc *edesc, + struct ahash_request *req, int nents, + unsigned int first_sg, + unsigned int first_bytes, size_t to_hash) +{ + dma_addr_t src_dma; + u32 options; + + if (nents > 1 || first_sg) { + struct sec4_sg_entry *sg = edesc->sec4_sg; + unsigned int sgsize = sizeof(*sg) * (first_sg + nents); + + sg_to_sec4_sg_last(req->src, nents, sg + first_sg, 0); + + src_dma = dma_map_single(ctx->jrdev, sg, sgsize, DMA_TO_DEVICE); + if (dma_mapping_error(ctx->jrdev, src_dma)) { + dev_err(ctx->jrdev, "unable to map S/G table\n"); + return -ENOMEM; + } + + edesc->sec4_sg_bytes = sgsize; + edesc->sec4_sg_dma = src_dma; + options = LDST_SGF; + } else { + src_dma = sg_dma_address(req->src); + options = 0; + } + + append_seq_in_ptr(edesc->hw_desc, src_dma, first_bytes + to_hash, + options); + + return 0; +} + +/* submit update job descriptor */ +static int ahash_update_ctx(struct ahash_request *req) +{ + struct crypto_ahash *ahash = crypto_ahash_reqtfm(req); + struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash); + struct caam_hash_state *state = ahash_request_ctx(req); + struct device *jrdev = ctx->jrdev; + gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? + GFP_KERNEL : GFP_ATOMIC; + u8 *buf = current_buf(state); + int *buflen = current_buflen(state); + u8 *next_buf = alt_buf(state); + int *next_buflen = alt_buflen(state), last_buflen; + int in_len = *buflen + req->nbytes, to_hash; + u32 *desc; + int src_nents, mapped_nents, sec4_sg_bytes, sec4_sg_src_index; + struct ahash_edesc *edesc; + int ret = 0; + + last_buflen = *next_buflen; + *next_buflen = in_len & (crypto_tfm_alg_blocksize(&ahash->base) - 1); + to_hash = in_len - *next_buflen; + + if (to_hash) { + src_nents = sg_nents_for_len(req->src, + req->nbytes - (*next_buflen)); + if (src_nents < 0) { + dev_err(jrdev, "Invalid number of src SG.\n"); + return src_nents; + } + + if (src_nents) { + mapped_nents = dma_map_sg(jrdev, req->src, src_nents, + DMA_TO_DEVICE); + if (!mapped_nents) { + dev_err(jrdev, "unable to DMA map source\n"); + return -ENOMEM; + } + } else { + mapped_nents = 0; + } + + sec4_sg_src_index = 1 + (*buflen ? 1 : 0); + sec4_sg_bytes = (sec4_sg_src_index + mapped_nents) * + sizeof(struct sec4_sg_entry); + + /* + * allocate space for base edesc and hw desc commands, + * link tables + */ + edesc = ahash_edesc_alloc(ctx, sec4_sg_src_index + mapped_nents, + ctx->sh_desc_update, + ctx->sh_desc_update_dma, flags); + if (!edesc) { + dma_unmap_sg(jrdev, req->src, src_nents, DMA_TO_DEVICE); + return -ENOMEM; + } + + edesc->src_nents = src_nents; + edesc->sec4_sg_bytes = sec4_sg_bytes; + + ret = ctx_map_to_sec4_sg(jrdev, state, ctx->ctx_len, + edesc->sec4_sg, DMA_BIDIRECTIONAL); + if (ret) + goto unmap_ctx; + + ret = buf_map_to_sec4_sg(jrdev, edesc->sec4_sg + 1, state); + if (ret) + goto unmap_ctx; + + if (mapped_nents) { + sg_to_sec4_sg_last(req->src, mapped_nents, + edesc->sec4_sg + sec4_sg_src_index, + 0); + if (*next_buflen) + scatterwalk_map_and_copy(next_buf, req->src, + to_hash - *buflen, + *next_buflen, 0); + } else { + sg_to_sec4_set_last(edesc->sec4_sg + sec4_sg_src_index - + 1); + } + + desc = edesc->hw_desc; + + edesc->sec4_sg_dma = dma_map_single(jrdev, edesc->sec4_sg, + sec4_sg_bytes, + DMA_TO_DEVICE); + if (dma_mapping_error(jrdev, edesc->sec4_sg_dma)) { + dev_err(jrdev, "unable to map S/G table\n"); + ret = -ENOMEM; + goto unmap_ctx; + } + + append_seq_in_ptr(desc, edesc->sec4_sg_dma, ctx->ctx_len + + to_hash, LDST_SGF); + + append_seq_out_ptr(desc, state->ctx_dma, ctx->ctx_len, 0); + +#ifdef DEBUG + print_hex_dump(KERN_ERR, "jobdesc@"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, desc, + desc_bytes(desc), 1); +#endif + + ret = caam_jr_enqueue(jrdev, desc, ahash_done_bi, req); + if (ret) + goto unmap_ctx; + + ret = -EINPROGRESS; + } else if (*next_buflen) { + scatterwalk_map_and_copy(buf + *buflen, req->src, 0, + req->nbytes, 0); + *buflen = *next_buflen; + *next_buflen = last_buflen; + } +#ifdef DEBUG + print_hex_dump(KERN_ERR, "buf@"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, buf, *buflen, 1); + print_hex_dump(KERN_ERR, "next buf@"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, next_buf, + *next_buflen, 1); +#endif + + return ret; + unmap_ctx: + ahash_unmap_ctx(jrdev, edesc, req, ctx->ctx_len, DMA_BIDIRECTIONAL); + kfree(edesc); + return ret; +} + +static int ahash_final_ctx(struct ahash_request *req) +{ + struct crypto_ahash *ahash = crypto_ahash_reqtfm(req); + struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash); + struct caam_hash_state *state = ahash_request_ctx(req); + struct device *jrdev = ctx->jrdev; + gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? + GFP_KERNEL : GFP_ATOMIC; + int buflen = *current_buflen(state); + u32 *desc; + int sec4_sg_bytes, sec4_sg_src_index; + int digestsize = crypto_ahash_digestsize(ahash); + struct ahash_edesc *edesc; + int ret; + + sec4_sg_src_index = 1 + (buflen ? 1 : 0); + sec4_sg_bytes = sec4_sg_src_index * sizeof(struct sec4_sg_entry); + + /* allocate space for base edesc and hw desc commands, link tables */ + edesc = ahash_edesc_alloc(ctx, sec4_sg_src_index, + ctx->sh_desc_fin, ctx->sh_desc_fin_dma, + flags); + if (!edesc) + return -ENOMEM; + + desc = edesc->hw_desc; + + edesc->sec4_sg_bytes = sec4_sg_bytes; + + ret = ctx_map_to_sec4_sg(jrdev, state, ctx->ctx_len, + edesc->sec4_sg, DMA_BIDIRECTIONAL); + if (ret) + goto unmap_ctx; + + ret = buf_map_to_sec4_sg(jrdev, edesc->sec4_sg + 1, state); + if (ret) + goto unmap_ctx; + + sg_to_sec4_set_last(edesc->sec4_sg + sec4_sg_src_index - 1); + + edesc->sec4_sg_dma = dma_map_single(jrdev, edesc->sec4_sg, + sec4_sg_bytes, DMA_TO_DEVICE); + if (dma_mapping_error(jrdev, edesc->sec4_sg_dma)) { + dev_err(jrdev, "unable to map S/G table\n"); + ret = -ENOMEM; + goto unmap_ctx; + } + + append_seq_in_ptr(desc, edesc->sec4_sg_dma, ctx->ctx_len + buflen, + LDST_SGF); + append_seq_out_ptr(desc, state->ctx_dma, digestsize, 0); + +#ifdef DEBUG + print_hex_dump(KERN_ERR, "jobdesc@"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, desc, desc_bytes(desc), 1); +#endif + + ret = caam_jr_enqueue(jrdev, desc, ahash_done_ctx_src, req); + if (ret) + goto unmap_ctx; + + return -EINPROGRESS; + unmap_ctx: + ahash_unmap_ctx(jrdev, edesc, req, digestsize, DMA_BIDIRECTIONAL); + kfree(edesc); + return ret; +} + +static int ahash_finup_ctx(struct ahash_request *req) +{ + struct crypto_ahash *ahash = crypto_ahash_reqtfm(req); + struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash); + struct caam_hash_state *state = ahash_request_ctx(req); + struct device *jrdev = ctx->jrdev; + gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? + GFP_KERNEL : GFP_ATOMIC; + int buflen = *current_buflen(state); + u32 *desc; + int sec4_sg_src_index; + int src_nents, mapped_nents; + int digestsize = crypto_ahash_digestsize(ahash); + struct ahash_edesc *edesc; + int ret; + + src_nents = sg_nents_for_len(req->src, req->nbytes); + if (src_nents < 0) { + dev_err(jrdev, "Invalid number of src SG.\n"); + return src_nents; + } + + if (src_nents) { + mapped_nents = dma_map_sg(jrdev, req->src, src_nents, + DMA_TO_DEVICE); + if (!mapped_nents) { + dev_err(jrdev, "unable to DMA map source\n"); + return -ENOMEM; + } + } else { + mapped_nents = 0; + } + + sec4_sg_src_index = 1 + (buflen ? 1 : 0); + + /* allocate space for base edesc and hw desc commands, link tables */ + edesc = ahash_edesc_alloc(ctx, sec4_sg_src_index + mapped_nents, + ctx->sh_desc_fin, ctx->sh_desc_fin_dma, + flags); + if (!edesc) { + dma_unmap_sg(jrdev, req->src, src_nents, DMA_TO_DEVICE); + return -ENOMEM; + } + + desc = edesc->hw_desc; + + edesc->src_nents = src_nents; + + ret = ctx_map_to_sec4_sg(jrdev, state, ctx->ctx_len, + edesc->sec4_sg, DMA_BIDIRECTIONAL); + if (ret) + goto unmap_ctx; + + ret = buf_map_to_sec4_sg(jrdev, edesc->sec4_sg + 1, state); + if (ret) + goto unmap_ctx; + + ret = ahash_edesc_add_src(ctx, edesc, req, mapped_nents, + sec4_sg_src_index, ctx->ctx_len + buflen, + req->nbytes); + if (ret) + goto unmap_ctx; + + append_seq_out_ptr(desc, state->ctx_dma, digestsize, 0); + +#ifdef DEBUG + print_hex_dump(KERN_ERR, "jobdesc@"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, desc, desc_bytes(desc), 1); +#endif + + ret = caam_jr_enqueue(jrdev, desc, ahash_done_ctx_src, req); + if (ret) + goto unmap_ctx; + + return -EINPROGRESS; + unmap_ctx: + ahash_unmap_ctx(jrdev, edesc, req, digestsize, DMA_BIDIRECTIONAL); + kfree(edesc); + return ret; +} + +static int ahash_digest(struct ahash_request *req) +{ + struct crypto_ahash *ahash = crypto_ahash_reqtfm(req); + struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash); + struct caam_hash_state *state = ahash_request_ctx(req); + struct device *jrdev = ctx->jrdev; + gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? + GFP_KERNEL : GFP_ATOMIC; + u32 *desc; + int digestsize = crypto_ahash_digestsize(ahash); + int src_nents, mapped_nents; + struct ahash_edesc *edesc; + int ret; + + state->buf_dma = 0; + + src_nents = sg_nents_for_len(req->src, req->nbytes); + if (src_nents < 0) { + dev_err(jrdev, "Invalid number of src SG.\n"); + return src_nents; + } + + if (src_nents) { + mapped_nents = dma_map_sg(jrdev, req->src, src_nents, + DMA_TO_DEVICE); + if (!mapped_nents) { + dev_err(jrdev, "unable to map source for DMA\n"); + return -ENOMEM; + } + } else { + mapped_nents = 0; + } + + /* allocate space for base edesc and hw desc commands, link tables */ + edesc = ahash_edesc_alloc(ctx, mapped_nents > 1 ? mapped_nents : 0, + ctx->sh_desc_digest, ctx->sh_desc_digest_dma, + flags); + if (!edesc) { + dma_unmap_sg(jrdev, req->src, src_nents, DMA_TO_DEVICE); + return -ENOMEM; + } + + edesc->src_nents = src_nents; + + ret = ahash_edesc_add_src(ctx, edesc, req, mapped_nents, 0, 0, + req->nbytes); + if (ret) { + ahash_unmap(jrdev, edesc, req, digestsize); + kfree(edesc); + return ret; + } + + desc = edesc->hw_desc; + + ret = map_seq_out_ptr_ctx(desc, jrdev, state, digestsize); + if (ret) { + ahash_unmap(jrdev, edesc, req, digestsize); + kfree(edesc); + return -ENOMEM; + } + +#ifdef DEBUG + print_hex_dump(KERN_ERR, "jobdesc@"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, desc, desc_bytes(desc), 1); +#endif + + ret = caam_jr_enqueue(jrdev, desc, ahash_done, req); + if (!ret) { + ret = -EINPROGRESS; + } else { + ahash_unmap_ctx(jrdev, edesc, req, digestsize, DMA_FROM_DEVICE); + kfree(edesc); + } + + return ret; +} + +/* submit ahash final if it the first job descriptor */ +static int ahash_final_no_ctx(struct ahash_request *req) +{ + struct crypto_ahash *ahash = crypto_ahash_reqtfm(req); + struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash); + struct caam_hash_state *state = ahash_request_ctx(req); + struct device *jrdev = ctx->jrdev; + gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? + GFP_KERNEL : GFP_ATOMIC; + u8 *buf = current_buf(state); + int buflen = *current_buflen(state); + u32 *desc; + int digestsize = crypto_ahash_digestsize(ahash); + struct ahash_edesc *edesc; + int ret; + + /* allocate space for base edesc and hw desc commands, link tables */ + edesc = ahash_edesc_alloc(ctx, 0, ctx->sh_desc_digest, + ctx->sh_desc_digest_dma, flags); + if (!edesc) + return -ENOMEM; + + desc = edesc->hw_desc; + + if (buflen) { + state->buf_dma = dma_map_single(jrdev, buf, buflen, + DMA_TO_DEVICE); + if (dma_mapping_error(jrdev, state->buf_dma)) { + dev_err(jrdev, "unable to map src\n"); + goto unmap; + } + + append_seq_in_ptr(desc, state->buf_dma, buflen, 0); + } + + ret = map_seq_out_ptr_ctx(desc, jrdev, state, digestsize); + if (ret) + goto unmap; + +#ifdef DEBUG + print_hex_dump(KERN_ERR, "jobdesc@"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, desc, desc_bytes(desc), 1); +#endif + + ret = caam_jr_enqueue(jrdev, desc, ahash_done, req); + if (!ret) { + ret = -EINPROGRESS; + } else { + ahash_unmap_ctx(jrdev, edesc, req, digestsize, DMA_FROM_DEVICE); + kfree(edesc); + } + + return ret; + unmap: + ahash_unmap(jrdev, edesc, req, digestsize); + kfree(edesc); + return -ENOMEM; + +} + +/* submit ahash update if it the first job descriptor after update */ +static int ahash_update_no_ctx(struct ahash_request *req) +{ + struct crypto_ahash *ahash = crypto_ahash_reqtfm(req); + struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash); + struct caam_hash_state *state = ahash_request_ctx(req); + struct device *jrdev = ctx->jrdev; + gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? + GFP_KERNEL : GFP_ATOMIC; + u8 *buf = current_buf(state); + int *buflen = current_buflen(state); + u8 *next_buf = alt_buf(state); + int *next_buflen = alt_buflen(state); + int in_len = *buflen + req->nbytes, to_hash; + int sec4_sg_bytes, src_nents, mapped_nents; + struct ahash_edesc *edesc; + u32 *desc; + int ret = 0; + + *next_buflen = in_len & (crypto_tfm_alg_blocksize(&ahash->base) - 1); + to_hash = in_len - *next_buflen; + + if (to_hash) { + src_nents = sg_nents_for_len(req->src, + req->nbytes - *next_buflen); + if (src_nents < 0) { + dev_err(jrdev, "Invalid number of src SG.\n"); + return src_nents; + } + + if (src_nents) { + mapped_nents = dma_map_sg(jrdev, req->src, src_nents, + DMA_TO_DEVICE); + if (!mapped_nents) { + dev_err(jrdev, "unable to DMA map source\n"); + return -ENOMEM; + } + } else { + mapped_nents = 0; + } + + sec4_sg_bytes = (1 + mapped_nents) * + sizeof(struct sec4_sg_entry); + + /* + * allocate space for base edesc and hw desc commands, + * link tables + */ + edesc = ahash_edesc_alloc(ctx, 1 + mapped_nents, + ctx->sh_desc_update_first, + ctx->sh_desc_update_first_dma, + flags); + if (!edesc) { + dma_unmap_sg(jrdev, req->src, src_nents, DMA_TO_DEVICE); + return -ENOMEM; + } + + edesc->src_nents = src_nents; + edesc->sec4_sg_bytes = sec4_sg_bytes; + + ret = buf_map_to_sec4_sg(jrdev, edesc->sec4_sg, state); + if (ret) + goto unmap_ctx; + + sg_to_sec4_sg_last(req->src, mapped_nents, + edesc->sec4_sg + 1, 0); + + if (*next_buflen) { + scatterwalk_map_and_copy(next_buf, req->src, + to_hash - *buflen, + *next_buflen, 0); + } + + desc = edesc->hw_desc; + + edesc->sec4_sg_dma = dma_map_single(jrdev, edesc->sec4_sg, + sec4_sg_bytes, + DMA_TO_DEVICE); + if (dma_mapping_error(jrdev, edesc->sec4_sg_dma)) { + dev_err(jrdev, "unable to map S/G table\n"); + ret = -ENOMEM; + goto unmap_ctx; + } + + append_seq_in_ptr(desc, edesc->sec4_sg_dma, to_hash, LDST_SGF); + + ret = map_seq_out_ptr_ctx(desc, jrdev, state, ctx->ctx_len); + if (ret) + goto unmap_ctx; + +#ifdef DEBUG + print_hex_dump(KERN_ERR, "jobdesc@"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, desc, + desc_bytes(desc), 1); +#endif + + ret = caam_jr_enqueue(jrdev, desc, ahash_done_ctx_dst, req); + if (ret) + goto unmap_ctx; + + ret = -EINPROGRESS; + state->update = ahash_update_ctx; + state->finup = ahash_finup_ctx; + state->final = ahash_final_ctx; + } else if (*next_buflen) { + scatterwalk_map_and_copy(buf + *buflen, req->src, 0, + req->nbytes, 0); + *buflen = *next_buflen; + *next_buflen = 0; + } +#ifdef DEBUG + print_hex_dump(KERN_ERR, "buf@"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, buf, *buflen, 1); + print_hex_dump(KERN_ERR, "next buf@"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, next_buf, + *next_buflen, 1); +#endif + + return ret; + unmap_ctx: + ahash_unmap_ctx(jrdev, edesc, req, ctx->ctx_len, DMA_TO_DEVICE); + kfree(edesc); + return ret; +} + +/* submit ahash finup if it the first job descriptor after update */ +static int ahash_finup_no_ctx(struct ahash_request *req) +{ + struct crypto_ahash *ahash = crypto_ahash_reqtfm(req); + struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash); + struct caam_hash_state *state = ahash_request_ctx(req); + struct device *jrdev = ctx->jrdev; + gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? + GFP_KERNEL : GFP_ATOMIC; + int buflen = *current_buflen(state); + u32 *desc; + int sec4_sg_bytes, sec4_sg_src_index, src_nents, mapped_nents; + int digestsize = crypto_ahash_digestsize(ahash); + struct ahash_edesc *edesc; + int ret; + + src_nents = sg_nents_for_len(req->src, req->nbytes); + if (src_nents < 0) { + dev_err(jrdev, "Invalid number of src SG.\n"); + return src_nents; + } + + if (src_nents) { + mapped_nents = dma_map_sg(jrdev, req->src, src_nents, + DMA_TO_DEVICE); + if (!mapped_nents) { + dev_err(jrdev, "unable to DMA map source\n"); + return -ENOMEM; + } + } else { + mapped_nents = 0; + } + + sec4_sg_src_index = 2; + sec4_sg_bytes = (sec4_sg_src_index + mapped_nents) * + sizeof(struct sec4_sg_entry); + + /* allocate space for base edesc and hw desc commands, link tables */ + edesc = ahash_edesc_alloc(ctx, sec4_sg_src_index + mapped_nents, + ctx->sh_desc_digest, ctx->sh_desc_digest_dma, + flags); + if (!edesc) { + dma_unmap_sg(jrdev, req->src, src_nents, DMA_TO_DEVICE); + return -ENOMEM; + } + + desc = edesc->hw_desc; + + edesc->src_nents = src_nents; + edesc->sec4_sg_bytes = sec4_sg_bytes; + + ret = buf_map_to_sec4_sg(jrdev, edesc->sec4_sg, state); + if (ret) + goto unmap; + + ret = ahash_edesc_add_src(ctx, edesc, req, mapped_nents, 1, buflen, + req->nbytes); + if (ret) { + dev_err(jrdev, "unable to map S/G table\n"); + goto unmap; + } + + ret = map_seq_out_ptr_ctx(desc, jrdev, state, digestsize); + if (ret) + goto unmap; + +#ifdef DEBUG + print_hex_dump(KERN_ERR, "jobdesc@"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, desc, desc_bytes(desc), 1); +#endif + + ret = caam_jr_enqueue(jrdev, desc, ahash_done, req); + if (!ret) { + ret = -EINPROGRESS; + } else { + ahash_unmap_ctx(jrdev, edesc, req, digestsize, DMA_FROM_DEVICE); + kfree(edesc); + } + + return ret; + unmap: + ahash_unmap(jrdev, edesc, req, digestsize); + kfree(edesc); + return -ENOMEM; + +} + +/* submit first update job descriptor after init */ +static int ahash_update_first(struct ahash_request *req) +{ + struct crypto_ahash *ahash = crypto_ahash_reqtfm(req); + struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash); + struct caam_hash_state *state = ahash_request_ctx(req); + struct device *jrdev = ctx->jrdev; + gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? + GFP_KERNEL : GFP_ATOMIC; + u8 *next_buf = alt_buf(state); + int *next_buflen = alt_buflen(state); + int to_hash; + u32 *desc; + int src_nents, mapped_nents; + struct ahash_edesc *edesc; + int ret = 0; + + *next_buflen = req->nbytes & (crypto_tfm_alg_blocksize(&ahash->base) - + 1); + to_hash = req->nbytes - *next_buflen; + + if (to_hash) { + src_nents = sg_nents_for_len(req->src, + req->nbytes - *next_buflen); + if (src_nents < 0) { + dev_err(jrdev, "Invalid number of src SG.\n"); + return src_nents; + } + + if (src_nents) { + mapped_nents = dma_map_sg(jrdev, req->src, src_nents, + DMA_TO_DEVICE); + if (!mapped_nents) { + dev_err(jrdev, "unable to map source for DMA\n"); + return -ENOMEM; + } + } else { + mapped_nents = 0; + } + + /* + * allocate space for base edesc and hw desc commands, + * link tables + */ + edesc = ahash_edesc_alloc(ctx, mapped_nents > 1 ? + mapped_nents : 0, + ctx->sh_desc_update_first, + ctx->sh_desc_update_first_dma, + flags); + if (!edesc) { + dma_unmap_sg(jrdev, req->src, src_nents, DMA_TO_DEVICE); + return -ENOMEM; + } + + edesc->src_nents = src_nents; + + ret = ahash_edesc_add_src(ctx, edesc, req, mapped_nents, 0, 0, + to_hash); + if (ret) + goto unmap_ctx; + + if (*next_buflen) + scatterwalk_map_and_copy(next_buf, req->src, to_hash, + *next_buflen, 0); + + desc = edesc->hw_desc; + + ret = map_seq_out_ptr_ctx(desc, jrdev, state, ctx->ctx_len); + if (ret) + goto unmap_ctx; + +#ifdef DEBUG + print_hex_dump(KERN_ERR, "jobdesc@"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, desc, + desc_bytes(desc), 1); +#endif + + ret = caam_jr_enqueue(jrdev, desc, ahash_done_ctx_dst, req); + if (ret) + goto unmap_ctx; + + ret = -EINPROGRESS; + state->update = ahash_update_ctx; + state->finup = ahash_finup_ctx; + state->final = ahash_final_ctx; + } else if (*next_buflen) { + state->update = ahash_update_no_ctx; + state->finup = ahash_finup_no_ctx; + state->final = ahash_final_no_ctx; + scatterwalk_map_and_copy(next_buf, req->src, 0, + req->nbytes, 0); + switch_buf(state); + } +#ifdef DEBUG + print_hex_dump(KERN_ERR, "next buf@"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, next_buf, + *next_buflen, 1); +#endif + + return ret; + unmap_ctx: + ahash_unmap_ctx(jrdev, edesc, req, ctx->ctx_len, DMA_TO_DEVICE); + kfree(edesc); + return ret; +} + +static int ahash_finup_first(struct ahash_request *req) +{ + return ahash_digest(req); +} + +static int ahash_init(struct ahash_request *req) +{ + struct caam_hash_state *state = ahash_request_ctx(req); + + state->update = ahash_update_first; + state->finup = ahash_finup_first; + state->final = ahash_final_no_ctx; + + state->ctx_dma = 0; + state->ctx_dma_len = 0; + state->current_buf = 0; + state->buf_dma = 0; + state->buflen_0 = 0; + state->buflen_1 = 0; + + return 0; +} + +static int ahash_update(struct ahash_request *req) +{ + struct caam_hash_state *state = ahash_request_ctx(req); + + return state->update(req); +} + +static int ahash_finup(struct ahash_request *req) +{ + struct caam_hash_state *state = ahash_request_ctx(req); + + return state->finup(req); +} + +static int ahash_final(struct ahash_request *req) +{ + struct caam_hash_state *state = ahash_request_ctx(req); + + return state->final(req); +} + +static int ahash_export(struct ahash_request *req, void *out) +{ + struct caam_hash_state *state = ahash_request_ctx(req); + struct caam_export_state *export = out; + int len; + u8 *buf; + + if (state->current_buf) { + buf = state->buf_1; + len = state->buflen_1; + } else { + buf = state->buf_0; + len = state->buflen_0; + } + + memcpy(export->buf, buf, len); + memcpy(export->caam_ctx, state->caam_ctx, sizeof(export->caam_ctx)); + export->buflen = len; + export->update = state->update; + export->final = state->final; + export->finup = state->finup; + + return 0; +} + +static int ahash_import(struct ahash_request *req, const void *in) +{ + struct caam_hash_state *state = ahash_request_ctx(req); + const struct caam_export_state *export = in; + + memset(state, 0, sizeof(*state)); + memcpy(state->buf_0, export->buf, export->buflen); + memcpy(state->caam_ctx, export->caam_ctx, sizeof(state->caam_ctx)); + state->buflen_0 = export->buflen; + state->update = export->update; + state->final = export->final; + state->finup = export->finup; + + return 0; +} + +struct caam_hash_template { + char name[CRYPTO_MAX_ALG_NAME]; + char driver_name[CRYPTO_MAX_ALG_NAME]; + char hmac_name[CRYPTO_MAX_ALG_NAME]; + char hmac_driver_name[CRYPTO_MAX_ALG_NAME]; + unsigned int blocksize; + struct ahash_alg template_ahash; + u32 alg_type; +}; + +/* ahash descriptors */ +static struct caam_hash_template driver_hash[] = { + { + .name = "sha1", + .driver_name = "sha1-caam", + .hmac_name = "hmac(sha1)", + .hmac_driver_name = "hmac-sha1-caam", + .blocksize = SHA1_BLOCK_SIZE, + .template_ahash = { + .init = ahash_init, + .update = ahash_update, + .final = ahash_final, + .finup = ahash_finup, + .digest = ahash_digest, + .export = ahash_export, + .import = ahash_import, + .setkey = ahash_setkey, + .halg = { + .digestsize = SHA1_DIGEST_SIZE, + .statesize = sizeof(struct caam_export_state), + }, + }, + .alg_type = OP_ALG_ALGSEL_SHA1, + }, { + .name = "sha224", + .driver_name = "sha224-caam", + .hmac_name = "hmac(sha224)", + .hmac_driver_name = "hmac-sha224-caam", + .blocksize = SHA224_BLOCK_SIZE, + .template_ahash = { + .init = ahash_init, + .update = ahash_update, + .final = ahash_final, + .finup = ahash_finup, + .digest = ahash_digest, + .export = ahash_export, + .import = ahash_import, + .setkey = ahash_setkey, + .halg = { + .digestsize = SHA224_DIGEST_SIZE, + .statesize = sizeof(struct caam_export_state), + }, + }, + .alg_type = OP_ALG_ALGSEL_SHA224, + }, { + .name = "sha256", + .driver_name = "sha256-caam", + .hmac_name = "hmac(sha256)", + .hmac_driver_name = "hmac-sha256-caam", + .blocksize = SHA256_BLOCK_SIZE, + .template_ahash = { + .init = ahash_init, + .update = ahash_update, + .final = ahash_final, + .finup = ahash_finup, + .digest = ahash_digest, + .export = ahash_export, + .import = ahash_import, + .setkey = ahash_setkey, + .halg = { + .digestsize = SHA256_DIGEST_SIZE, + .statesize = sizeof(struct caam_export_state), + }, + }, + .alg_type = OP_ALG_ALGSEL_SHA256, + }, { + .name = "sha384", + .driver_name = "sha384-caam", + .hmac_name = "hmac(sha384)", + .hmac_driver_name = "hmac-sha384-caam", + .blocksize = SHA384_BLOCK_SIZE, + .template_ahash = { + .init = ahash_init, + .update = ahash_update, + .final = ahash_final, + .finup = ahash_finup, + .digest = ahash_digest, + .export = ahash_export, + .import = ahash_import, + .setkey = ahash_setkey, + .halg = { + .digestsize = SHA384_DIGEST_SIZE, + .statesize = sizeof(struct caam_export_state), + }, + }, + .alg_type = OP_ALG_ALGSEL_SHA384, + }, { + .name = "sha512", + .driver_name = "sha512-caam", + .hmac_name = "hmac(sha512)", + .hmac_driver_name = "hmac-sha512-caam", + .blocksize = SHA512_BLOCK_SIZE, + .template_ahash = { + .init = ahash_init, + .update = ahash_update, + .final = ahash_final, + .finup = ahash_finup, + .digest = ahash_digest, + .export = ahash_export, + .import = ahash_import, + .setkey = ahash_setkey, + .halg = { + .digestsize = SHA512_DIGEST_SIZE, + .statesize = sizeof(struct caam_export_state), + }, + }, + .alg_type = OP_ALG_ALGSEL_SHA512, + }, { + .name = "md5", + .driver_name = "md5-caam", + .hmac_name = "hmac(md5)", + .hmac_driver_name = "hmac-md5-caam", + .blocksize = MD5_BLOCK_WORDS * 4, + .template_ahash = { + .init = ahash_init, + .update = ahash_update, + .final = ahash_final, + .finup = ahash_finup, + .digest = ahash_digest, + .export = ahash_export, + .import = ahash_import, + .setkey = ahash_setkey, + .halg = { + .digestsize = MD5_DIGEST_SIZE, + .statesize = sizeof(struct caam_export_state), + }, + }, + .alg_type = OP_ALG_ALGSEL_MD5, + }, +}; + +struct caam_hash_alg { + struct list_head entry; + int alg_type; + struct ahash_alg ahash_alg; +}; + +static int caam_hash_cra_init(struct crypto_tfm *tfm) +{ + struct crypto_ahash *ahash = __crypto_ahash_cast(tfm); + struct crypto_alg *base = tfm->__crt_alg; + struct hash_alg_common *halg = + container_of(base, struct hash_alg_common, base); + struct ahash_alg *alg = + container_of(halg, struct ahash_alg, halg); + struct caam_hash_alg *caam_hash = + container_of(alg, struct caam_hash_alg, ahash_alg); + struct caam_hash_ctx *ctx = crypto_tfm_ctx(tfm); + /* Sizes for MDHA running digests: MD5, SHA1, 224, 256, 384, 512 */ + static const u8 runninglen[] = { HASH_MSG_LEN + MD5_DIGEST_SIZE, + HASH_MSG_LEN + SHA1_DIGEST_SIZE, + HASH_MSG_LEN + 32, + HASH_MSG_LEN + SHA256_DIGEST_SIZE, + HASH_MSG_LEN + 64, + HASH_MSG_LEN + SHA512_DIGEST_SIZE }; + dma_addr_t dma_addr; + struct caam_drv_private *priv; + + /* + * Get a Job ring from Job Ring driver to ensure in-order + * crypto request processing per tfm + */ + ctx->jrdev = caam_jr_alloc(); + if (IS_ERR(ctx->jrdev)) { + pr_err("Job Ring Device allocation for transform failed\n"); + return PTR_ERR(ctx->jrdev); + } + + priv = dev_get_drvdata(ctx->jrdev->parent); + ctx->dir = priv->era >= 6 ? DMA_BIDIRECTIONAL : DMA_TO_DEVICE; + + dma_addr = dma_map_single_attrs(ctx->jrdev, ctx->sh_desc_update, + offsetof(struct caam_hash_ctx, + sh_desc_update_dma), + ctx->dir, DMA_ATTR_SKIP_CPU_SYNC); + if (dma_mapping_error(ctx->jrdev, dma_addr)) { + dev_err(ctx->jrdev, "unable to map shared descriptors\n"); + caam_jr_free(ctx->jrdev); + return -ENOMEM; + } + + ctx->sh_desc_update_dma = dma_addr; + ctx->sh_desc_update_first_dma = dma_addr + + offsetof(struct caam_hash_ctx, + sh_desc_update_first); + ctx->sh_desc_fin_dma = dma_addr + offsetof(struct caam_hash_ctx, + sh_desc_fin); + ctx->sh_desc_digest_dma = dma_addr + offsetof(struct caam_hash_ctx, + sh_desc_digest); + + /* copy descriptor header template value */ + ctx->adata.algtype = OP_TYPE_CLASS2_ALG | caam_hash->alg_type; + + ctx->ctx_len = runninglen[(ctx->adata.algtype & + OP_ALG_ALGSEL_SUBMASK) >> + OP_ALG_ALGSEL_SHIFT]; + + crypto_ahash_set_reqsize(__crypto_ahash_cast(tfm), + sizeof(struct caam_hash_state)); + return ahash_set_sh_desc(ahash); +} + +static void caam_hash_cra_exit(struct crypto_tfm *tfm) +{ + struct caam_hash_ctx *ctx = crypto_tfm_ctx(tfm); + + dma_unmap_single_attrs(ctx->jrdev, ctx->sh_desc_update_dma, + offsetof(struct caam_hash_ctx, + sh_desc_update_dma), + ctx->dir, DMA_ATTR_SKIP_CPU_SYNC); + caam_jr_free(ctx->jrdev); +} + +static void __exit caam_algapi_hash_exit(void) +{ + struct caam_hash_alg *t_alg, *n; + + if (!hash_list.next) + return; + + list_for_each_entry_safe(t_alg, n, &hash_list, entry) { + crypto_unregister_ahash(&t_alg->ahash_alg); + list_del(&t_alg->entry); + kfree(t_alg); + } +} + +static struct caam_hash_alg * +caam_hash_alloc(struct caam_hash_template *template, + bool keyed) +{ + struct caam_hash_alg *t_alg; + struct ahash_alg *halg; + struct crypto_alg *alg; + + t_alg = kzalloc(sizeof(*t_alg), GFP_KERNEL); + if (!t_alg) { + pr_err("failed to allocate t_alg\n"); + return ERR_PTR(-ENOMEM); + } + + t_alg->ahash_alg = template->template_ahash; + halg = &t_alg->ahash_alg; + alg = &halg->halg.base; + + if (keyed) { + snprintf(alg->cra_name, CRYPTO_MAX_ALG_NAME, "%s", + template->hmac_name); + snprintf(alg->cra_driver_name, CRYPTO_MAX_ALG_NAME, "%s", + template->hmac_driver_name); + } else { + snprintf(alg->cra_name, CRYPTO_MAX_ALG_NAME, "%s", + template->name); + snprintf(alg->cra_driver_name, CRYPTO_MAX_ALG_NAME, "%s", + template->driver_name); + t_alg->ahash_alg.setkey = NULL; + } + alg->cra_module = THIS_MODULE; + alg->cra_init = caam_hash_cra_init; + alg->cra_exit = caam_hash_cra_exit; + alg->cra_ctxsize = sizeof(struct caam_hash_ctx); + alg->cra_priority = CAAM_CRA_PRIORITY; + alg->cra_blocksize = template->blocksize; + alg->cra_alignmask = 0; + alg->cra_flags = CRYPTO_ALG_ASYNC; + + t_alg->alg_type = template->alg_type; + + return t_alg; +} + +static int __init caam_algapi_hash_init(void) +{ + struct device_node *dev_node; + struct platform_device *pdev; + struct device *ctrldev; + int i = 0, err = 0; + struct caam_drv_private *priv; + unsigned int md_limit = SHA512_DIGEST_SIZE; + u32 cha_inst, cha_vid; + + dev_node = of_find_compatible_node(NULL, NULL, "fsl,sec-v4.0"); + if (!dev_node) { + dev_node = of_find_compatible_node(NULL, NULL, "fsl,sec4.0"); + if (!dev_node) + return -ENODEV; + } + + pdev = of_find_device_by_node(dev_node); + if (!pdev) { + of_node_put(dev_node); + return -ENODEV; + } + + ctrldev = &pdev->dev; + priv = dev_get_drvdata(ctrldev); + of_node_put(dev_node); + + /* + * If priv is NULL, it's probably because the caam driver wasn't + * properly initialized (e.g. RNG4 init failed). Thus, bail out here. + */ + if (!priv) + return -ENODEV; + + /* + * Register crypto algorithms the device supports. First, identify + * presence and attributes of MD block. + */ + cha_vid = rd_reg32(&priv->ctrl->perfmon.cha_id_ls); + cha_inst = rd_reg32(&priv->ctrl->perfmon.cha_num_ls); + + /* + * Skip registration of any hashing algorithms if MD block + * is not present. + */ + if (!((cha_inst & CHA_ID_LS_MD_MASK) >> CHA_ID_LS_MD_SHIFT)) + return -ENODEV; + + /* Limit digest size based on LP256 */ + if ((cha_vid & CHA_ID_LS_MD_MASK) == CHA_ID_LS_MD_LP256) + md_limit = SHA256_DIGEST_SIZE; + + INIT_LIST_HEAD(&hash_list); + + /* register crypto algorithms the device supports */ + for (i = 0; i < ARRAY_SIZE(driver_hash); i++) { + struct caam_hash_alg *t_alg; + struct caam_hash_template *alg = driver_hash + i; + + /* If MD size is not supported by device, skip registration */ + if (alg->template_ahash.halg.digestsize > md_limit) + continue; + + /* register hmac version */ + t_alg = caam_hash_alloc(alg, true); + if (IS_ERR(t_alg)) { + err = PTR_ERR(t_alg); + pr_warn("%s alg allocation failed\n", alg->driver_name); + continue; + } + + err = crypto_register_ahash(&t_alg->ahash_alg); + if (err) { + pr_warn("%s alg registration failed: %d\n", + t_alg->ahash_alg.halg.base.cra_driver_name, + err); + kfree(t_alg); + } else + list_add_tail(&t_alg->entry, &hash_list); + + /* register unkeyed version */ + t_alg = caam_hash_alloc(alg, false); + if (IS_ERR(t_alg)) { + err = PTR_ERR(t_alg); + pr_warn("%s alg allocation failed\n", alg->driver_name); + continue; + } + + err = crypto_register_ahash(&t_alg->ahash_alg); + if (err) { + pr_warn("%s alg registration failed: %d\n", + t_alg->ahash_alg.halg.base.cra_driver_name, + err); + kfree(t_alg); + } else + list_add_tail(&t_alg->entry, &hash_list); + } + + return err; +} + +module_init(caam_algapi_hash_init); +module_exit(caam_algapi_hash_exit); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("FSL CAAM support for ahash functions of crypto API"); +MODULE_AUTHOR("Freescale Semiconductor - NMG"); diff --git a/drivers/crypto/caam/caampkc.c b/drivers/crypto/caam/caampkc.c new file mode 100644 index 000000000..f26d62e55 --- /dev/null +++ b/drivers/crypto/caam/caampkc.c @@ -0,0 +1,1074 @@ +/* + * caam - Freescale FSL CAAM support for Public Key Cryptography + * + * Copyright 2016 Freescale Semiconductor, Inc. + * + * There is no Shared Descriptor for PKC so that the Job Descriptor must carry + * all the desired key parameters, input and output pointers. + */ +#include "compat.h" +#include "regs.h" +#include "intern.h" +#include "jr.h" +#include "error.h" +#include "desc_constr.h" +#include "sg_sw_sec4.h" +#include "caampkc.h" + +#define DESC_RSA_PUB_LEN (2 * CAAM_CMD_SZ + sizeof(struct rsa_pub_pdb)) +#define DESC_RSA_PRIV_F1_LEN (2 * CAAM_CMD_SZ + \ + sizeof(struct rsa_priv_f1_pdb)) +#define DESC_RSA_PRIV_F2_LEN (2 * CAAM_CMD_SZ + \ + sizeof(struct rsa_priv_f2_pdb)) +#define DESC_RSA_PRIV_F3_LEN (2 * CAAM_CMD_SZ + \ + sizeof(struct rsa_priv_f3_pdb)) + +static void rsa_io_unmap(struct device *dev, struct rsa_edesc *edesc, + struct akcipher_request *req) +{ + dma_unmap_sg(dev, req->dst, edesc->dst_nents, DMA_FROM_DEVICE); + dma_unmap_sg(dev, req->src, edesc->src_nents, DMA_TO_DEVICE); + + if (edesc->sec4_sg_bytes) + dma_unmap_single(dev, edesc->sec4_sg_dma, edesc->sec4_sg_bytes, + DMA_TO_DEVICE); +} + +static void rsa_pub_unmap(struct device *dev, struct rsa_edesc *edesc, + struct akcipher_request *req) +{ + struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req); + struct caam_rsa_ctx *ctx = akcipher_tfm_ctx(tfm); + struct caam_rsa_key *key = &ctx->key; + struct rsa_pub_pdb *pdb = &edesc->pdb.pub; + + dma_unmap_single(dev, pdb->n_dma, key->n_sz, DMA_TO_DEVICE); + dma_unmap_single(dev, pdb->e_dma, key->e_sz, DMA_TO_DEVICE); +} + +static void rsa_priv_f1_unmap(struct device *dev, struct rsa_edesc *edesc, + struct akcipher_request *req) +{ + struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req); + struct caam_rsa_ctx *ctx = akcipher_tfm_ctx(tfm); + struct caam_rsa_key *key = &ctx->key; + struct rsa_priv_f1_pdb *pdb = &edesc->pdb.priv_f1; + + dma_unmap_single(dev, pdb->n_dma, key->n_sz, DMA_TO_DEVICE); + dma_unmap_single(dev, pdb->d_dma, key->d_sz, DMA_TO_DEVICE); +} + +static void rsa_priv_f2_unmap(struct device *dev, struct rsa_edesc *edesc, + struct akcipher_request *req) +{ + struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req); + struct caam_rsa_ctx *ctx = akcipher_tfm_ctx(tfm); + struct caam_rsa_key *key = &ctx->key; + struct rsa_priv_f2_pdb *pdb = &edesc->pdb.priv_f2; + size_t p_sz = key->p_sz; + size_t q_sz = key->q_sz; + + dma_unmap_single(dev, pdb->d_dma, key->d_sz, DMA_TO_DEVICE); + dma_unmap_single(dev, pdb->p_dma, p_sz, DMA_TO_DEVICE); + dma_unmap_single(dev, pdb->q_dma, q_sz, DMA_TO_DEVICE); + dma_unmap_single(dev, pdb->tmp1_dma, p_sz, DMA_BIDIRECTIONAL); + dma_unmap_single(dev, pdb->tmp2_dma, q_sz, DMA_BIDIRECTIONAL); +} + +static void rsa_priv_f3_unmap(struct device *dev, struct rsa_edesc *edesc, + struct akcipher_request *req) +{ + struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req); + struct caam_rsa_ctx *ctx = akcipher_tfm_ctx(tfm); + struct caam_rsa_key *key = &ctx->key; + struct rsa_priv_f3_pdb *pdb = &edesc->pdb.priv_f3; + size_t p_sz = key->p_sz; + size_t q_sz = key->q_sz; + + dma_unmap_single(dev, pdb->p_dma, p_sz, DMA_TO_DEVICE); + dma_unmap_single(dev, pdb->q_dma, q_sz, DMA_TO_DEVICE); + dma_unmap_single(dev, pdb->dp_dma, p_sz, DMA_TO_DEVICE); + dma_unmap_single(dev, pdb->dq_dma, q_sz, DMA_TO_DEVICE); + dma_unmap_single(dev, pdb->c_dma, p_sz, DMA_TO_DEVICE); + dma_unmap_single(dev, pdb->tmp1_dma, p_sz, DMA_BIDIRECTIONAL); + dma_unmap_single(dev, pdb->tmp2_dma, q_sz, DMA_BIDIRECTIONAL); +} + +/* RSA Job Completion handler */ +static void rsa_pub_done(struct device *dev, u32 *desc, u32 err, void *context) +{ + struct akcipher_request *req = context; + struct rsa_edesc *edesc; + + if (err) + caam_jr_strstatus(dev, err); + + edesc = container_of(desc, struct rsa_edesc, hw_desc[0]); + + rsa_pub_unmap(dev, edesc, req); + rsa_io_unmap(dev, edesc, req); + kfree(edesc); + + akcipher_request_complete(req, err); +} + +static void rsa_priv_f1_done(struct device *dev, u32 *desc, u32 err, + void *context) +{ + struct akcipher_request *req = context; + struct rsa_edesc *edesc; + + if (err) + caam_jr_strstatus(dev, err); + + edesc = container_of(desc, struct rsa_edesc, hw_desc[0]); + + rsa_priv_f1_unmap(dev, edesc, req); + rsa_io_unmap(dev, edesc, req); + kfree(edesc); + + akcipher_request_complete(req, err); +} + +static void rsa_priv_f2_done(struct device *dev, u32 *desc, u32 err, + void *context) +{ + struct akcipher_request *req = context; + struct rsa_edesc *edesc; + + if (err) + caam_jr_strstatus(dev, err); + + edesc = container_of(desc, struct rsa_edesc, hw_desc[0]); + + rsa_priv_f2_unmap(dev, edesc, req); + rsa_io_unmap(dev, edesc, req); + kfree(edesc); + + akcipher_request_complete(req, err); +} + +static void rsa_priv_f3_done(struct device *dev, u32 *desc, u32 err, + void *context) +{ + struct akcipher_request *req = context; + struct rsa_edesc *edesc; + + if (err) + caam_jr_strstatus(dev, err); + + edesc = container_of(desc, struct rsa_edesc, hw_desc[0]); + + rsa_priv_f3_unmap(dev, edesc, req); + rsa_io_unmap(dev, edesc, req); + kfree(edesc); + + akcipher_request_complete(req, err); +} + +static int caam_rsa_count_leading_zeros(struct scatterlist *sgl, + unsigned int nbytes, + unsigned int flags) +{ + struct sg_mapping_iter miter; + int lzeros, ents; + unsigned int len; + unsigned int tbytes = nbytes; + const u8 *buff; + + ents = sg_nents_for_len(sgl, nbytes); + if (ents < 0) + return ents; + + sg_miter_start(&miter, sgl, ents, SG_MITER_FROM_SG | flags); + + lzeros = 0; + len = 0; + while (nbytes > 0) { + while (len && !*buff) { + lzeros++; + len--; + buff++; + } + + if (len && *buff) + break; + + sg_miter_next(&miter); + buff = miter.addr; + len = miter.length; + + nbytes -= lzeros; + lzeros = 0; + } + + miter.consumed = lzeros; + sg_miter_stop(&miter); + nbytes -= lzeros; + + return tbytes - nbytes; +} + +static struct rsa_edesc *rsa_edesc_alloc(struct akcipher_request *req, + size_t desclen) +{ + struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req); + struct caam_rsa_ctx *ctx = akcipher_tfm_ctx(tfm); + struct device *dev = ctx->dev; + struct caam_rsa_req_ctx *req_ctx = akcipher_request_ctx(req); + struct rsa_edesc *edesc; + gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? + GFP_KERNEL : GFP_ATOMIC; + int sg_flags = (flags == GFP_ATOMIC) ? SG_MITER_ATOMIC : 0; + int sgc; + int sec4_sg_index, sec4_sg_len = 0, sec4_sg_bytes; + int src_nents, dst_nents; + int lzeros; + + lzeros = caam_rsa_count_leading_zeros(req->src, req->src_len, sg_flags); + if (lzeros < 0) + return ERR_PTR(lzeros); + + req->src_len -= lzeros; + req->src = scatterwalk_ffwd(req_ctx->src, req->src, lzeros); + + src_nents = sg_nents_for_len(req->src, req->src_len); + dst_nents = sg_nents_for_len(req->dst, req->dst_len); + + if (src_nents > 1) + sec4_sg_len = src_nents; + if (dst_nents > 1) + sec4_sg_len += dst_nents; + + sec4_sg_bytes = sec4_sg_len * sizeof(struct sec4_sg_entry); + + /* allocate space for base edesc, hw desc commands and link tables */ + edesc = kzalloc(sizeof(*edesc) + desclen + sec4_sg_bytes, + GFP_DMA | flags); + if (!edesc) + return ERR_PTR(-ENOMEM); + + sgc = dma_map_sg(dev, req->src, src_nents, DMA_TO_DEVICE); + if (unlikely(!sgc)) { + dev_err(dev, "unable to map source\n"); + goto src_fail; + } + + sgc = dma_map_sg(dev, req->dst, dst_nents, DMA_FROM_DEVICE); + if (unlikely(!sgc)) { + dev_err(dev, "unable to map destination\n"); + goto dst_fail; + } + + edesc->sec4_sg = (void *)edesc + sizeof(*edesc) + desclen; + + sec4_sg_index = 0; + if (src_nents > 1) { + sg_to_sec4_sg_last(req->src, src_nents, edesc->sec4_sg, 0); + sec4_sg_index += src_nents; + } + if (dst_nents > 1) + sg_to_sec4_sg_last(req->dst, dst_nents, + edesc->sec4_sg + sec4_sg_index, 0); + + /* Save nents for later use in Job Descriptor */ + edesc->src_nents = src_nents; + edesc->dst_nents = dst_nents; + + if (!sec4_sg_bytes) + return edesc; + + edesc->sec4_sg_dma = dma_map_single(dev, edesc->sec4_sg, + sec4_sg_bytes, DMA_TO_DEVICE); + if (dma_mapping_error(dev, edesc->sec4_sg_dma)) { + dev_err(dev, "unable to map S/G table\n"); + goto sec4_sg_fail; + } + + edesc->sec4_sg_bytes = sec4_sg_bytes; + + return edesc; + +sec4_sg_fail: + dma_unmap_sg(dev, req->dst, dst_nents, DMA_FROM_DEVICE); +dst_fail: + dma_unmap_sg(dev, req->src, src_nents, DMA_TO_DEVICE); +src_fail: + kfree(edesc); + return ERR_PTR(-ENOMEM); +} + +static int set_rsa_pub_pdb(struct akcipher_request *req, + struct rsa_edesc *edesc) +{ + struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req); + struct caam_rsa_ctx *ctx = akcipher_tfm_ctx(tfm); + struct caam_rsa_key *key = &ctx->key; + struct device *dev = ctx->dev; + struct rsa_pub_pdb *pdb = &edesc->pdb.pub; + int sec4_sg_index = 0; + + pdb->n_dma = dma_map_single(dev, key->n, key->n_sz, DMA_TO_DEVICE); + if (dma_mapping_error(dev, pdb->n_dma)) { + dev_err(dev, "Unable to map RSA modulus memory\n"); + return -ENOMEM; + } + + pdb->e_dma = dma_map_single(dev, key->e, key->e_sz, DMA_TO_DEVICE); + if (dma_mapping_error(dev, pdb->e_dma)) { + dev_err(dev, "Unable to map RSA public exponent memory\n"); + dma_unmap_single(dev, pdb->n_dma, key->n_sz, DMA_TO_DEVICE); + return -ENOMEM; + } + + if (edesc->src_nents > 1) { + pdb->sgf |= RSA_PDB_SGF_F; + pdb->f_dma = edesc->sec4_sg_dma; + sec4_sg_index += edesc->src_nents; + } else { + pdb->f_dma = sg_dma_address(req->src); + } + + if (edesc->dst_nents > 1) { + pdb->sgf |= RSA_PDB_SGF_G; + pdb->g_dma = edesc->sec4_sg_dma + + sec4_sg_index * sizeof(struct sec4_sg_entry); + } else { + pdb->g_dma = sg_dma_address(req->dst); + } + + pdb->sgf |= (key->e_sz << RSA_PDB_E_SHIFT) | key->n_sz; + pdb->f_len = req->src_len; + + return 0; +} + +static int set_rsa_priv_f1_pdb(struct akcipher_request *req, + struct rsa_edesc *edesc) +{ + struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req); + struct caam_rsa_ctx *ctx = akcipher_tfm_ctx(tfm); + struct caam_rsa_key *key = &ctx->key; + struct device *dev = ctx->dev; + struct rsa_priv_f1_pdb *pdb = &edesc->pdb.priv_f1; + int sec4_sg_index = 0; + + pdb->n_dma = dma_map_single(dev, key->n, key->n_sz, DMA_TO_DEVICE); + if (dma_mapping_error(dev, pdb->n_dma)) { + dev_err(dev, "Unable to map modulus memory\n"); + return -ENOMEM; + } + + pdb->d_dma = dma_map_single(dev, key->d, key->d_sz, DMA_TO_DEVICE); + if (dma_mapping_error(dev, pdb->d_dma)) { + dev_err(dev, "Unable to map RSA private exponent memory\n"); + dma_unmap_single(dev, pdb->n_dma, key->n_sz, DMA_TO_DEVICE); + return -ENOMEM; + } + + if (edesc->src_nents > 1) { + pdb->sgf |= RSA_PRIV_PDB_SGF_G; + pdb->g_dma = edesc->sec4_sg_dma; + sec4_sg_index += edesc->src_nents; + } else { + pdb->g_dma = sg_dma_address(req->src); + } + + if (edesc->dst_nents > 1) { + pdb->sgf |= RSA_PRIV_PDB_SGF_F; + pdb->f_dma = edesc->sec4_sg_dma + + sec4_sg_index * sizeof(struct sec4_sg_entry); + } else { + pdb->f_dma = sg_dma_address(req->dst); + } + + pdb->sgf |= (key->d_sz << RSA_PDB_D_SHIFT) | key->n_sz; + + return 0; +} + +static int set_rsa_priv_f2_pdb(struct akcipher_request *req, + struct rsa_edesc *edesc) +{ + struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req); + struct caam_rsa_ctx *ctx = akcipher_tfm_ctx(tfm); + struct caam_rsa_key *key = &ctx->key; + struct device *dev = ctx->dev; + struct rsa_priv_f2_pdb *pdb = &edesc->pdb.priv_f2; + int sec4_sg_index = 0; + size_t p_sz = key->p_sz; + size_t q_sz = key->q_sz; + + pdb->d_dma = dma_map_single(dev, key->d, key->d_sz, DMA_TO_DEVICE); + if (dma_mapping_error(dev, pdb->d_dma)) { + dev_err(dev, "Unable to map RSA private exponent memory\n"); + return -ENOMEM; + } + + pdb->p_dma = dma_map_single(dev, key->p, p_sz, DMA_TO_DEVICE); + if (dma_mapping_error(dev, pdb->p_dma)) { + dev_err(dev, "Unable to map RSA prime factor p memory\n"); + goto unmap_d; + } + + pdb->q_dma = dma_map_single(dev, key->q, q_sz, DMA_TO_DEVICE); + if (dma_mapping_error(dev, pdb->q_dma)) { + dev_err(dev, "Unable to map RSA prime factor q memory\n"); + goto unmap_p; + } + + pdb->tmp1_dma = dma_map_single(dev, key->tmp1, p_sz, DMA_BIDIRECTIONAL); + if (dma_mapping_error(dev, pdb->tmp1_dma)) { + dev_err(dev, "Unable to map RSA tmp1 memory\n"); + goto unmap_q; + } + + pdb->tmp2_dma = dma_map_single(dev, key->tmp2, q_sz, DMA_BIDIRECTIONAL); + if (dma_mapping_error(dev, pdb->tmp2_dma)) { + dev_err(dev, "Unable to map RSA tmp2 memory\n"); + goto unmap_tmp1; + } + + if (edesc->src_nents > 1) { + pdb->sgf |= RSA_PRIV_PDB_SGF_G; + pdb->g_dma = edesc->sec4_sg_dma; + sec4_sg_index += edesc->src_nents; + } else { + pdb->g_dma = sg_dma_address(req->src); + } + + if (edesc->dst_nents > 1) { + pdb->sgf |= RSA_PRIV_PDB_SGF_F; + pdb->f_dma = edesc->sec4_sg_dma + + sec4_sg_index * sizeof(struct sec4_sg_entry); + } else { + pdb->f_dma = sg_dma_address(req->dst); + } + + pdb->sgf |= (key->d_sz << RSA_PDB_D_SHIFT) | key->n_sz; + pdb->p_q_len = (q_sz << RSA_PDB_Q_SHIFT) | p_sz; + + return 0; + +unmap_tmp1: + dma_unmap_single(dev, pdb->tmp1_dma, p_sz, DMA_BIDIRECTIONAL); +unmap_q: + dma_unmap_single(dev, pdb->q_dma, q_sz, DMA_TO_DEVICE); +unmap_p: + dma_unmap_single(dev, pdb->p_dma, p_sz, DMA_TO_DEVICE); +unmap_d: + dma_unmap_single(dev, pdb->d_dma, key->d_sz, DMA_TO_DEVICE); + + return -ENOMEM; +} + +static int set_rsa_priv_f3_pdb(struct akcipher_request *req, + struct rsa_edesc *edesc) +{ + struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req); + struct caam_rsa_ctx *ctx = akcipher_tfm_ctx(tfm); + struct caam_rsa_key *key = &ctx->key; + struct device *dev = ctx->dev; + struct rsa_priv_f3_pdb *pdb = &edesc->pdb.priv_f3; + int sec4_sg_index = 0; + size_t p_sz = key->p_sz; + size_t q_sz = key->q_sz; + + pdb->p_dma = dma_map_single(dev, key->p, p_sz, DMA_TO_DEVICE); + if (dma_mapping_error(dev, pdb->p_dma)) { + dev_err(dev, "Unable to map RSA prime factor p memory\n"); + return -ENOMEM; + } + + pdb->q_dma = dma_map_single(dev, key->q, q_sz, DMA_TO_DEVICE); + if (dma_mapping_error(dev, pdb->q_dma)) { + dev_err(dev, "Unable to map RSA prime factor q memory\n"); + goto unmap_p; + } + + pdb->dp_dma = dma_map_single(dev, key->dp, p_sz, DMA_TO_DEVICE); + if (dma_mapping_error(dev, pdb->dp_dma)) { + dev_err(dev, "Unable to map RSA exponent dp memory\n"); + goto unmap_q; + } + + pdb->dq_dma = dma_map_single(dev, key->dq, q_sz, DMA_TO_DEVICE); + if (dma_mapping_error(dev, pdb->dq_dma)) { + dev_err(dev, "Unable to map RSA exponent dq memory\n"); + goto unmap_dp; + } + + pdb->c_dma = dma_map_single(dev, key->qinv, p_sz, DMA_TO_DEVICE); + if (dma_mapping_error(dev, pdb->c_dma)) { + dev_err(dev, "Unable to map RSA CRT coefficient qinv memory\n"); + goto unmap_dq; + } + + pdb->tmp1_dma = dma_map_single(dev, key->tmp1, p_sz, DMA_BIDIRECTIONAL); + if (dma_mapping_error(dev, pdb->tmp1_dma)) { + dev_err(dev, "Unable to map RSA tmp1 memory\n"); + goto unmap_qinv; + } + + pdb->tmp2_dma = dma_map_single(dev, key->tmp2, q_sz, DMA_BIDIRECTIONAL); + if (dma_mapping_error(dev, pdb->tmp2_dma)) { + dev_err(dev, "Unable to map RSA tmp2 memory\n"); + goto unmap_tmp1; + } + + if (edesc->src_nents > 1) { + pdb->sgf |= RSA_PRIV_PDB_SGF_G; + pdb->g_dma = edesc->sec4_sg_dma; + sec4_sg_index += edesc->src_nents; + } else { + pdb->g_dma = sg_dma_address(req->src); + } + + if (edesc->dst_nents > 1) { + pdb->sgf |= RSA_PRIV_PDB_SGF_F; + pdb->f_dma = edesc->sec4_sg_dma + + sec4_sg_index * sizeof(struct sec4_sg_entry); + } else { + pdb->f_dma = sg_dma_address(req->dst); + } + + pdb->sgf |= key->n_sz; + pdb->p_q_len = (q_sz << RSA_PDB_Q_SHIFT) | p_sz; + + return 0; + +unmap_tmp1: + dma_unmap_single(dev, pdb->tmp1_dma, p_sz, DMA_BIDIRECTIONAL); +unmap_qinv: + dma_unmap_single(dev, pdb->c_dma, p_sz, DMA_TO_DEVICE); +unmap_dq: + dma_unmap_single(dev, pdb->dq_dma, q_sz, DMA_TO_DEVICE); +unmap_dp: + dma_unmap_single(dev, pdb->dp_dma, p_sz, DMA_TO_DEVICE); +unmap_q: + dma_unmap_single(dev, pdb->q_dma, q_sz, DMA_TO_DEVICE); +unmap_p: + dma_unmap_single(dev, pdb->p_dma, p_sz, DMA_TO_DEVICE); + + return -ENOMEM; +} + +static int caam_rsa_enc(struct akcipher_request *req) +{ + struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req); + struct caam_rsa_ctx *ctx = akcipher_tfm_ctx(tfm); + struct caam_rsa_key *key = &ctx->key; + struct device *jrdev = ctx->dev; + struct rsa_edesc *edesc; + int ret; + + if (unlikely(!key->n || !key->e)) + return -EINVAL; + + if (req->dst_len < key->n_sz) { + req->dst_len = key->n_sz; + dev_err(jrdev, "Output buffer length less than parameter n\n"); + return -EOVERFLOW; + } + + /* Allocate extended descriptor */ + edesc = rsa_edesc_alloc(req, DESC_RSA_PUB_LEN); + if (IS_ERR(edesc)) + return PTR_ERR(edesc); + + /* Set RSA Encrypt Protocol Data Block */ + ret = set_rsa_pub_pdb(req, edesc); + if (ret) + goto init_fail; + + /* Initialize Job Descriptor */ + init_rsa_pub_desc(edesc->hw_desc, &edesc->pdb.pub); + + ret = caam_jr_enqueue(jrdev, edesc->hw_desc, rsa_pub_done, req); + if (!ret) + return -EINPROGRESS; + + rsa_pub_unmap(jrdev, edesc, req); + +init_fail: + rsa_io_unmap(jrdev, edesc, req); + kfree(edesc); + return ret; +} + +static int caam_rsa_dec_priv_f1(struct akcipher_request *req) +{ + struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req); + struct caam_rsa_ctx *ctx = akcipher_tfm_ctx(tfm); + struct device *jrdev = ctx->dev; + struct rsa_edesc *edesc; + int ret; + + /* Allocate extended descriptor */ + edesc = rsa_edesc_alloc(req, DESC_RSA_PRIV_F1_LEN); + if (IS_ERR(edesc)) + return PTR_ERR(edesc); + + /* Set RSA Decrypt Protocol Data Block - Private Key Form #1 */ + ret = set_rsa_priv_f1_pdb(req, edesc); + if (ret) + goto init_fail; + + /* Initialize Job Descriptor */ + init_rsa_priv_f1_desc(edesc->hw_desc, &edesc->pdb.priv_f1); + + ret = caam_jr_enqueue(jrdev, edesc->hw_desc, rsa_priv_f1_done, req); + if (!ret) + return -EINPROGRESS; + + rsa_priv_f1_unmap(jrdev, edesc, req); + +init_fail: + rsa_io_unmap(jrdev, edesc, req); + kfree(edesc); + return ret; +} + +static int caam_rsa_dec_priv_f2(struct akcipher_request *req) +{ + struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req); + struct caam_rsa_ctx *ctx = akcipher_tfm_ctx(tfm); + struct device *jrdev = ctx->dev; + struct rsa_edesc *edesc; + int ret; + + /* Allocate extended descriptor */ + edesc = rsa_edesc_alloc(req, DESC_RSA_PRIV_F2_LEN); + if (IS_ERR(edesc)) + return PTR_ERR(edesc); + + /* Set RSA Decrypt Protocol Data Block - Private Key Form #2 */ + ret = set_rsa_priv_f2_pdb(req, edesc); + if (ret) + goto init_fail; + + /* Initialize Job Descriptor */ + init_rsa_priv_f2_desc(edesc->hw_desc, &edesc->pdb.priv_f2); + + ret = caam_jr_enqueue(jrdev, edesc->hw_desc, rsa_priv_f2_done, req); + if (!ret) + return -EINPROGRESS; + + rsa_priv_f2_unmap(jrdev, edesc, req); + +init_fail: + rsa_io_unmap(jrdev, edesc, req); + kfree(edesc); + return ret; +} + +static int caam_rsa_dec_priv_f3(struct akcipher_request *req) +{ + struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req); + struct caam_rsa_ctx *ctx = akcipher_tfm_ctx(tfm); + struct device *jrdev = ctx->dev; + struct rsa_edesc *edesc; + int ret; + + /* Allocate extended descriptor */ + edesc = rsa_edesc_alloc(req, DESC_RSA_PRIV_F3_LEN); + if (IS_ERR(edesc)) + return PTR_ERR(edesc); + + /* Set RSA Decrypt Protocol Data Block - Private Key Form #3 */ + ret = set_rsa_priv_f3_pdb(req, edesc); + if (ret) + goto init_fail; + + /* Initialize Job Descriptor */ + init_rsa_priv_f3_desc(edesc->hw_desc, &edesc->pdb.priv_f3); + + ret = caam_jr_enqueue(jrdev, edesc->hw_desc, rsa_priv_f3_done, req); + if (!ret) + return -EINPROGRESS; + + rsa_priv_f3_unmap(jrdev, edesc, req); + +init_fail: + rsa_io_unmap(jrdev, edesc, req); + kfree(edesc); + return ret; +} + +static int caam_rsa_dec(struct akcipher_request *req) +{ + struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req); + struct caam_rsa_ctx *ctx = akcipher_tfm_ctx(tfm); + struct caam_rsa_key *key = &ctx->key; + int ret; + + if (unlikely(!key->n || !key->d)) + return -EINVAL; + + if (req->dst_len < key->n_sz) { + req->dst_len = key->n_sz; + dev_err(ctx->dev, "Output buffer length less than parameter n\n"); + return -EOVERFLOW; + } + + if (key->priv_form == FORM3) + ret = caam_rsa_dec_priv_f3(req); + else if (key->priv_form == FORM2) + ret = caam_rsa_dec_priv_f2(req); + else + ret = caam_rsa_dec_priv_f1(req); + + return ret; +} + +static void caam_rsa_free_key(struct caam_rsa_key *key) +{ + kzfree(key->d); + kzfree(key->p); + kzfree(key->q); + kzfree(key->dp); + kzfree(key->dq); + kzfree(key->qinv); + kzfree(key->tmp1); + kzfree(key->tmp2); + kfree(key->e); + kfree(key->n); + memset(key, 0, sizeof(*key)); +} + +static void caam_rsa_drop_leading_zeros(const u8 **ptr, size_t *nbytes) +{ + while (!**ptr && *nbytes) { + (*ptr)++; + (*nbytes)--; + } +} + +/** + * caam_read_rsa_crt - Used for reading dP, dQ, qInv CRT members. + * dP, dQ and qInv could decode to less than corresponding p, q length, as the + * BER-encoding requires that the minimum number of bytes be used to encode the + * integer. dP, dQ, qInv decoded values have to be zero-padded to appropriate + * length. + * + * @ptr : pointer to {dP, dQ, qInv} CRT member + * @nbytes: length in bytes of {dP, dQ, qInv} CRT member + * @dstlen: length in bytes of corresponding p or q prime factor + */ +static u8 *caam_read_rsa_crt(const u8 *ptr, size_t nbytes, size_t dstlen) +{ + u8 *dst; + + caam_rsa_drop_leading_zeros(&ptr, &nbytes); + if (!nbytes) + return NULL; + + dst = kzalloc(dstlen, GFP_DMA | GFP_KERNEL); + if (!dst) + return NULL; + + memcpy(dst + (dstlen - nbytes), ptr, nbytes); + + return dst; +} + +/** + * caam_read_raw_data - Read a raw byte stream as a positive integer. + * The function skips buffer's leading zeros, copies the remained data + * to a buffer allocated in the GFP_DMA | GFP_KERNEL zone and returns + * the address of the new buffer. + * + * @buf : The data to read + * @nbytes: The amount of data to read + */ +static inline u8 *caam_read_raw_data(const u8 *buf, size_t *nbytes) +{ + + caam_rsa_drop_leading_zeros(&buf, nbytes); + if (!*nbytes) + return NULL; + + return kmemdup(buf, *nbytes, GFP_DMA | GFP_KERNEL); +} + +static int caam_rsa_check_key_length(unsigned int len) +{ + if (len > 4096) + return -EINVAL; + return 0; +} + +static int caam_rsa_set_pub_key(struct crypto_akcipher *tfm, const void *key, + unsigned int keylen) +{ + struct caam_rsa_ctx *ctx = akcipher_tfm_ctx(tfm); + struct rsa_key raw_key = {NULL}; + struct caam_rsa_key *rsa_key = &ctx->key; + int ret; + + /* Free the old RSA key if any */ + caam_rsa_free_key(rsa_key); + + ret = rsa_parse_pub_key(&raw_key, key, keylen); + if (ret) + return ret; + + /* Copy key in DMA zone */ + rsa_key->e = kzalloc(raw_key.e_sz, GFP_DMA | GFP_KERNEL); + if (!rsa_key->e) + goto err; + + /* + * Skip leading zeros and copy the positive integer to a buffer + * allocated in the GFP_DMA | GFP_KERNEL zone. The decryption descriptor + * expects a positive integer for the RSA modulus and uses its length as + * decryption output length. + */ + rsa_key->n = caam_read_raw_data(raw_key.n, &raw_key.n_sz); + if (!rsa_key->n) + goto err; + + if (caam_rsa_check_key_length(raw_key.n_sz << 3)) { + caam_rsa_free_key(rsa_key); + return -EINVAL; + } + + rsa_key->e_sz = raw_key.e_sz; + rsa_key->n_sz = raw_key.n_sz; + + memcpy(rsa_key->e, raw_key.e, raw_key.e_sz); + + return 0; +err: + caam_rsa_free_key(rsa_key); + return -ENOMEM; +} + +static void caam_rsa_set_priv_key_form(struct caam_rsa_ctx *ctx, + struct rsa_key *raw_key) +{ + struct caam_rsa_key *rsa_key = &ctx->key; + size_t p_sz = raw_key->p_sz; + size_t q_sz = raw_key->q_sz; + + rsa_key->p = caam_read_raw_data(raw_key->p, &p_sz); + if (!rsa_key->p) + return; + rsa_key->p_sz = p_sz; + + rsa_key->q = caam_read_raw_data(raw_key->q, &q_sz); + if (!rsa_key->q) + goto free_p; + rsa_key->q_sz = q_sz; + + rsa_key->tmp1 = kzalloc(raw_key->p_sz, GFP_DMA | GFP_KERNEL); + if (!rsa_key->tmp1) + goto free_q; + + rsa_key->tmp2 = kzalloc(raw_key->q_sz, GFP_DMA | GFP_KERNEL); + if (!rsa_key->tmp2) + goto free_tmp1; + + rsa_key->priv_form = FORM2; + + rsa_key->dp = caam_read_rsa_crt(raw_key->dp, raw_key->dp_sz, p_sz); + if (!rsa_key->dp) + goto free_tmp2; + + rsa_key->dq = caam_read_rsa_crt(raw_key->dq, raw_key->dq_sz, q_sz); + if (!rsa_key->dq) + goto free_dp; + + rsa_key->qinv = caam_read_rsa_crt(raw_key->qinv, raw_key->qinv_sz, + q_sz); + if (!rsa_key->qinv) + goto free_dq; + + rsa_key->priv_form = FORM3; + + return; + +free_dq: + kzfree(rsa_key->dq); +free_dp: + kzfree(rsa_key->dp); +free_tmp2: + kzfree(rsa_key->tmp2); +free_tmp1: + kzfree(rsa_key->tmp1); +free_q: + kzfree(rsa_key->q); +free_p: + kzfree(rsa_key->p); +} + +static int caam_rsa_set_priv_key(struct crypto_akcipher *tfm, const void *key, + unsigned int keylen) +{ + struct caam_rsa_ctx *ctx = akcipher_tfm_ctx(tfm); + struct rsa_key raw_key = {NULL}; + struct caam_rsa_key *rsa_key = &ctx->key; + int ret; + + /* Free the old RSA key if any */ + caam_rsa_free_key(rsa_key); + + ret = rsa_parse_priv_key(&raw_key, key, keylen); + if (ret) + return ret; + + /* Copy key in DMA zone */ + rsa_key->d = kzalloc(raw_key.d_sz, GFP_DMA | GFP_KERNEL); + if (!rsa_key->d) + goto err; + + rsa_key->e = kzalloc(raw_key.e_sz, GFP_DMA | GFP_KERNEL); + if (!rsa_key->e) + goto err; + + /* + * Skip leading zeros and copy the positive integer to a buffer + * allocated in the GFP_DMA | GFP_KERNEL zone. The decryption descriptor + * expects a positive integer for the RSA modulus and uses its length as + * decryption output length. + */ + rsa_key->n = caam_read_raw_data(raw_key.n, &raw_key.n_sz); + if (!rsa_key->n) + goto err; + + if (caam_rsa_check_key_length(raw_key.n_sz << 3)) { + caam_rsa_free_key(rsa_key); + return -EINVAL; + } + + rsa_key->d_sz = raw_key.d_sz; + rsa_key->e_sz = raw_key.e_sz; + rsa_key->n_sz = raw_key.n_sz; + + memcpy(rsa_key->d, raw_key.d, raw_key.d_sz); + memcpy(rsa_key->e, raw_key.e, raw_key.e_sz); + + caam_rsa_set_priv_key_form(ctx, &raw_key); + + return 0; + +err: + caam_rsa_free_key(rsa_key); + return -ENOMEM; +} + +static unsigned int caam_rsa_max_size(struct crypto_akcipher *tfm) +{ + struct caam_rsa_ctx *ctx = akcipher_tfm_ctx(tfm); + + return ctx->key.n_sz; +} + +/* Per session pkc's driver context creation function */ +static int caam_rsa_init_tfm(struct crypto_akcipher *tfm) +{ + struct caam_rsa_ctx *ctx = akcipher_tfm_ctx(tfm); + + ctx->dev = caam_jr_alloc(); + + if (IS_ERR(ctx->dev)) { + pr_err("Job Ring Device allocation for transform failed\n"); + return PTR_ERR(ctx->dev); + } + + return 0; +} + +/* Per session pkc's driver context cleanup function */ +static void caam_rsa_exit_tfm(struct crypto_akcipher *tfm) +{ + struct caam_rsa_ctx *ctx = akcipher_tfm_ctx(tfm); + struct caam_rsa_key *key = &ctx->key; + + caam_rsa_free_key(key); + caam_jr_free(ctx->dev); +} + +static struct akcipher_alg caam_rsa = { + .encrypt = caam_rsa_enc, + .decrypt = caam_rsa_dec, + .sign = caam_rsa_dec, + .verify = caam_rsa_enc, + .set_pub_key = caam_rsa_set_pub_key, + .set_priv_key = caam_rsa_set_priv_key, + .max_size = caam_rsa_max_size, + .init = caam_rsa_init_tfm, + .exit = caam_rsa_exit_tfm, + .reqsize = sizeof(struct caam_rsa_req_ctx), + .base = { + .cra_name = "rsa", + .cra_driver_name = "rsa-caam", + .cra_priority = 3000, + .cra_module = THIS_MODULE, + .cra_ctxsize = sizeof(struct caam_rsa_ctx), + }, +}; + +/* Public Key Cryptography module initialization handler */ +static int __init caam_pkc_init(void) +{ + struct device_node *dev_node; + struct platform_device *pdev; + struct device *ctrldev; + struct caam_drv_private *priv; + u32 cha_inst, pk_inst; + int err; + + dev_node = of_find_compatible_node(NULL, NULL, "fsl,sec-v4.0"); + if (!dev_node) { + dev_node = of_find_compatible_node(NULL, NULL, "fsl,sec4.0"); + if (!dev_node) + return -ENODEV; + } + + pdev = of_find_device_by_node(dev_node); + if (!pdev) { + of_node_put(dev_node); + return -ENODEV; + } + + ctrldev = &pdev->dev; + priv = dev_get_drvdata(ctrldev); + of_node_put(dev_node); + + /* + * If priv is NULL, it's probably because the caam driver wasn't + * properly initialized (e.g. RNG4 init failed). Thus, bail out here. + */ + if (!priv) + return -ENODEV; + + /* Determine public key hardware accelerator presence. */ + cha_inst = rd_reg32(&priv->ctrl->perfmon.cha_num_ls); + pk_inst = (cha_inst & CHA_ID_LS_PK_MASK) >> CHA_ID_LS_PK_SHIFT; + + /* Do not register algorithms if PKHA is not present. */ + if (!pk_inst) + return -ENODEV; + + err = crypto_register_akcipher(&caam_rsa); + if (err) + dev_warn(ctrldev, "%s alg registration failed\n", + caam_rsa.base.cra_driver_name); + else + dev_info(ctrldev, "caam pkc algorithms registered in /proc/crypto\n"); + + return err; +} + +static void __exit caam_pkc_exit(void) +{ + crypto_unregister_akcipher(&caam_rsa); +} + +module_init(caam_pkc_init); +module_exit(caam_pkc_exit); + +MODULE_LICENSE("Dual BSD/GPL"); +MODULE_DESCRIPTION("FSL CAAM support for PKC functions of crypto API"); +MODULE_AUTHOR("Freescale Semiconductor"); diff --git a/drivers/crypto/caam/caampkc.h b/drivers/crypto/caam/caampkc.h new file mode 100644 index 000000000..82645bcf8 --- /dev/null +++ b/drivers/crypto/caam/caampkc.h @@ -0,0 +1,137 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * caam - Freescale FSL CAAM support for Public Key Cryptography descriptors + * + * Copyright 2016 Freescale Semiconductor, Inc. + * + * There is no Shared Descriptor for PKC so that the Job Descriptor must carry + * all the desired key parameters, input and output pointers. + */ + +#ifndef _PKC_DESC_H_ +#define _PKC_DESC_H_ +#include "compat.h" +#include "pdb.h" + +/** + * caam_priv_key_form - CAAM RSA private key representation + * CAAM RSA private key may have either of three forms. + * + * 1. The first representation consists of the pair (n, d), where the + * components have the following meanings: + * n the RSA modulus + * d the RSA private exponent + * + * 2. The second representation consists of the triplet (p, q, d), where the + * components have the following meanings: + * p the first prime factor of the RSA modulus n + * q the second prime factor of the RSA modulus n + * d the RSA private exponent + * + * 3. The third representation consists of the quintuple (p, q, dP, dQ, qInv), + * where the components have the following meanings: + * p the first prime factor of the RSA modulus n + * q the second prime factor of the RSA modulus n + * dP the first factors's CRT exponent + * dQ the second factors's CRT exponent + * qInv the (first) CRT coefficient + * + * The benefit of using the third or the second key form is lower computational + * cost for the decryption and signature operations. + */ +enum caam_priv_key_form { + FORM1, + FORM2, + FORM3 +}; + +/** + * caam_rsa_key - CAAM RSA key structure. Keys are allocated in DMA zone. + * @n : RSA modulus raw byte stream + * @e : RSA public exponent raw byte stream + * @d : RSA private exponent raw byte stream + * @p : RSA prime factor p of RSA modulus n + * @q : RSA prime factor q of RSA modulus n + * @dp : RSA CRT exponent of p + * @dp : RSA CRT exponent of q + * @qinv : RSA CRT coefficient + * @tmp1 : CAAM uses this temporary buffer as internal state buffer. + * It is assumed to be as long as p. + * @tmp2 : CAAM uses this temporary buffer as internal state buffer. + * It is assumed to be as long as q. + * @n_sz : length in bytes of RSA modulus n + * @e_sz : length in bytes of RSA public exponent + * @d_sz : length in bytes of RSA private exponent + * @p_sz : length in bytes of RSA prime factor p of RSA modulus n + * @q_sz : length in bytes of RSA prime factor q of RSA modulus n + * @priv_form : CAAM RSA private key representation + */ +struct caam_rsa_key { + u8 *n; + u8 *e; + u8 *d; + u8 *p; + u8 *q; + u8 *dp; + u8 *dq; + u8 *qinv; + u8 *tmp1; + u8 *tmp2; + size_t n_sz; + size_t e_sz; + size_t d_sz; + size_t p_sz; + size_t q_sz; + enum caam_priv_key_form priv_form; +}; + +/** + * caam_rsa_ctx - per session context. + * @key : RSA key in DMA zone + * @dev : device structure + */ +struct caam_rsa_ctx { + struct caam_rsa_key key; + struct device *dev; +}; + +/** + * caam_rsa_req_ctx - per request context. + * @src: input scatterlist (stripped of leading zeros) + */ +struct caam_rsa_req_ctx { + struct scatterlist src[2]; +}; + +/** + * rsa_edesc - s/w-extended rsa descriptor + * @src_nents : number of segments in input scatterlist + * @dst_nents : number of segments in output scatterlist + * @sec4_sg_bytes : length of h/w link table + * @sec4_sg_dma : dma address of h/w link table + * @sec4_sg : pointer to h/w link table + * @pdb : specific RSA Protocol Data Block (PDB) + * @hw_desc : descriptor followed by link tables if any + */ +struct rsa_edesc { + int src_nents; + int dst_nents; + int sec4_sg_bytes; + dma_addr_t sec4_sg_dma; + struct sec4_sg_entry *sec4_sg; + union { + struct rsa_pub_pdb pub; + struct rsa_priv_f1_pdb priv_f1; + struct rsa_priv_f2_pdb priv_f2; + struct rsa_priv_f3_pdb priv_f3; + } pdb; + u32 hw_desc[]; +}; + +/* Descriptor construction primitives. */ +void init_rsa_pub_desc(u32 *desc, struct rsa_pub_pdb *pdb); +void init_rsa_priv_f1_desc(u32 *desc, struct rsa_priv_f1_pdb *pdb); +void init_rsa_priv_f2_desc(u32 *desc, struct rsa_priv_f2_pdb *pdb); +void init_rsa_priv_f3_desc(u32 *desc, struct rsa_priv_f3_pdb *pdb); + +#endif diff --git a/drivers/crypto/caam/caamrng.c b/drivers/crypto/caam/caamrng.c new file mode 100644 index 000000000..ff6718a11 --- /dev/null +++ b/drivers/crypto/caam/caamrng.c @@ -0,0 +1,373 @@ +/* + * caam - Freescale FSL CAAM support for hw_random + * + * Copyright 2011 Freescale Semiconductor, Inc. + * + * Based on caamalg.c crypto API driver. + * + * relationship between job descriptors to shared descriptors: + * + * --------------- -------------- + * | JobDesc #0 |-------------------->| ShareDesc | + * | *(buffer 0) | |------------->| (generate) | + * --------------- | | (move) | + * | | (store) | + * --------------- | -------------- + * | JobDesc #1 |------| + * | *(buffer 1) | + * --------------- + * + * A job desc looks like this: + * + * --------------------- + * | Header | + * | ShareDesc Pointer | + * | SEQ_OUT_PTR | + * | (output buffer) | + * --------------------- + * + * The SharedDesc never changes, and each job descriptor points to one of two + * buffers for each device, from which the data will be copied into the + * requested destination + */ + +#include <linux/hw_random.h> +#include <linux/completion.h> +#include <linux/atomic.h> + +#include "compat.h" + +#include "regs.h" +#include "intern.h" +#include "desc_constr.h" +#include "jr.h" +#include "error.h" + +/* + * Maximum buffer size: maximum number of random, cache-aligned bytes that + * will be generated and moved to seq out ptr (extlen not allowed) + */ +#define RN_BUF_SIZE (0xffff / L1_CACHE_BYTES * \ + L1_CACHE_BYTES) + +/* length of descriptors */ +#define DESC_JOB_O_LEN (CAAM_CMD_SZ * 2 + CAAM_PTR_SZ * 2) +#define DESC_RNG_LEN (3 * CAAM_CMD_SZ) + +/* Buffer, its dma address and lock */ +struct buf_data { + u8 buf[RN_BUF_SIZE] ____cacheline_aligned; + dma_addr_t addr; + struct completion filled; + u32 hw_desc[DESC_JOB_O_LEN]; +#define BUF_NOT_EMPTY 0 +#define BUF_EMPTY 1 +#define BUF_PENDING 2 /* Empty, but with job pending --don't submit another */ + atomic_t empty; +}; + +/* rng per-device context */ +struct caam_rng_ctx { + struct device *jrdev; + dma_addr_t sh_desc_dma; + u32 sh_desc[DESC_RNG_LEN]; + unsigned int cur_buf_idx; + int current_buf; + struct buf_data bufs[2]; +}; + +static struct caam_rng_ctx *rng_ctx; + +static inline void rng_unmap_buf(struct device *jrdev, struct buf_data *bd) +{ + if (bd->addr) + dma_unmap_single(jrdev, bd->addr, RN_BUF_SIZE, + DMA_FROM_DEVICE); +} + +static inline void rng_unmap_ctx(struct caam_rng_ctx *ctx) +{ + struct device *jrdev = ctx->jrdev; + + if (ctx->sh_desc_dma) + dma_unmap_single(jrdev, ctx->sh_desc_dma, + desc_bytes(ctx->sh_desc), DMA_TO_DEVICE); + rng_unmap_buf(jrdev, &ctx->bufs[0]); + rng_unmap_buf(jrdev, &ctx->bufs[1]); +} + +static void rng_done(struct device *jrdev, u32 *desc, u32 err, void *context) +{ + struct buf_data *bd; + + bd = container_of(desc, struct buf_data, hw_desc[0]); + + if (err) + caam_jr_strstatus(jrdev, err); + + atomic_set(&bd->empty, BUF_NOT_EMPTY); + complete(&bd->filled); + + /* Buffer refilled, invalidate cache */ + dma_sync_single_for_cpu(jrdev, bd->addr, RN_BUF_SIZE, DMA_FROM_DEVICE); + +#ifdef DEBUG + print_hex_dump(KERN_ERR, "rng refreshed buf@: ", + DUMP_PREFIX_ADDRESS, 16, 4, bd->buf, RN_BUF_SIZE, 1); +#endif +} + +static inline int submit_job(struct caam_rng_ctx *ctx, int to_current) +{ + struct buf_data *bd = &ctx->bufs[!(to_current ^ ctx->current_buf)]; + struct device *jrdev = ctx->jrdev; + u32 *desc = bd->hw_desc; + int err; + + dev_dbg(jrdev, "submitting job %d\n", !(to_current ^ ctx->current_buf)); + init_completion(&bd->filled); + err = caam_jr_enqueue(jrdev, desc, rng_done, ctx); + if (err) + complete(&bd->filled); /* don't wait on failed job*/ + else + atomic_inc(&bd->empty); /* note if pending */ + + return err; +} + +static int caam_read(struct hwrng *rng, void *data, size_t max, bool wait) +{ + struct caam_rng_ctx *ctx = rng_ctx; + struct buf_data *bd = &ctx->bufs[ctx->current_buf]; + int next_buf_idx, copied_idx; + int err; + + if (atomic_read(&bd->empty)) { + /* try to submit job if there wasn't one */ + if (atomic_read(&bd->empty) == BUF_EMPTY) { + err = submit_job(ctx, 1); + /* if can't submit job, can't even wait */ + if (err) + return 0; + } + /* no immediate data, so exit if not waiting */ + if (!wait) + return 0; + + /* waiting for pending job */ + if (atomic_read(&bd->empty)) + wait_for_completion(&bd->filled); + } + + next_buf_idx = ctx->cur_buf_idx + max; + dev_dbg(ctx->jrdev, "%s: start reading at buffer %d, idx %d\n", + __func__, ctx->current_buf, ctx->cur_buf_idx); + + /* if enough data in current buffer */ + if (next_buf_idx < RN_BUF_SIZE) { + memcpy(data, bd->buf + ctx->cur_buf_idx, max); + ctx->cur_buf_idx = next_buf_idx; + return max; + } + + /* else, copy what's left... */ + copied_idx = RN_BUF_SIZE - ctx->cur_buf_idx; + memcpy(data, bd->buf + ctx->cur_buf_idx, copied_idx); + ctx->cur_buf_idx = 0; + atomic_set(&bd->empty, BUF_EMPTY); + + /* ...refill... */ + submit_job(ctx, 1); + + /* and use next buffer */ + ctx->current_buf = !ctx->current_buf; + dev_dbg(ctx->jrdev, "switched to buffer %d\n", ctx->current_buf); + + /* since there already is some data read, don't wait */ + return copied_idx + caam_read(rng, data + copied_idx, + max - copied_idx, false); +} + +static inline int rng_create_sh_desc(struct caam_rng_ctx *ctx) +{ + struct device *jrdev = ctx->jrdev; + u32 *desc = ctx->sh_desc; + + init_sh_desc(desc, HDR_SHARE_SERIAL); + + /* Generate random bytes */ + append_operation(desc, OP_ALG_ALGSEL_RNG | OP_TYPE_CLASS1_ALG); + + /* Store bytes */ + append_seq_fifo_store(desc, RN_BUF_SIZE, FIFOST_TYPE_RNGSTORE); + + ctx->sh_desc_dma = dma_map_single(jrdev, desc, desc_bytes(desc), + DMA_TO_DEVICE); + if (dma_mapping_error(jrdev, ctx->sh_desc_dma)) { + dev_err(jrdev, "unable to map shared descriptor\n"); + return -ENOMEM; + } +#ifdef DEBUG + print_hex_dump(KERN_ERR, "rng shdesc@: ", DUMP_PREFIX_ADDRESS, 16, 4, + desc, desc_bytes(desc), 1); +#endif + return 0; +} + +static inline int rng_create_job_desc(struct caam_rng_ctx *ctx, int buf_id) +{ + struct device *jrdev = ctx->jrdev; + struct buf_data *bd = &ctx->bufs[buf_id]; + u32 *desc = bd->hw_desc; + int sh_len = desc_len(ctx->sh_desc); + + init_job_desc_shared(desc, ctx->sh_desc_dma, sh_len, HDR_SHARE_DEFER | + HDR_REVERSE); + + bd->addr = dma_map_single(jrdev, bd->buf, RN_BUF_SIZE, DMA_FROM_DEVICE); + if (dma_mapping_error(jrdev, bd->addr)) { + dev_err(jrdev, "unable to map dst\n"); + return -ENOMEM; + } + + append_seq_out_ptr_intlen(desc, bd->addr, RN_BUF_SIZE, 0); +#ifdef DEBUG + print_hex_dump(KERN_ERR, "rng job desc@: ", DUMP_PREFIX_ADDRESS, 16, 4, + desc, desc_bytes(desc), 1); +#endif + return 0; +} + +static void caam_cleanup(struct hwrng *rng) +{ + int i; + struct buf_data *bd; + + for (i = 0; i < 2; i++) { + bd = &rng_ctx->bufs[i]; + if (atomic_read(&bd->empty) == BUF_PENDING) + wait_for_completion(&bd->filled); + } + + rng_unmap_ctx(rng_ctx); +} + +static int caam_init_buf(struct caam_rng_ctx *ctx, int buf_id) +{ + struct buf_data *bd = &ctx->bufs[buf_id]; + int err; + + err = rng_create_job_desc(ctx, buf_id); + if (err) + return err; + + atomic_set(&bd->empty, BUF_EMPTY); + submit_job(ctx, buf_id == ctx->current_buf); + wait_for_completion(&bd->filled); + + return 0; +} + +static int caam_init_rng(struct caam_rng_ctx *ctx, struct device *jrdev) +{ + int err; + + ctx->jrdev = jrdev; + + err = rng_create_sh_desc(ctx); + if (err) + return err; + + ctx->current_buf = 0; + ctx->cur_buf_idx = 0; + + err = caam_init_buf(ctx, 0); + if (err) + return err; + + return caam_init_buf(ctx, 1); +} + +static struct hwrng caam_rng = { + .name = "rng-caam", + .cleanup = caam_cleanup, + .read = caam_read, +}; + +static void __exit caam_rng_exit(void) +{ + caam_jr_free(rng_ctx->jrdev); + hwrng_unregister(&caam_rng); + kfree(rng_ctx); +} + +static int __init caam_rng_init(void) +{ + struct device *dev; + struct device_node *dev_node; + struct platform_device *pdev; + struct device *ctrldev; + struct caam_drv_private *priv; + int err; + + dev_node = of_find_compatible_node(NULL, NULL, "fsl,sec-v4.0"); + if (!dev_node) { + dev_node = of_find_compatible_node(NULL, NULL, "fsl,sec4.0"); + if (!dev_node) + return -ENODEV; + } + + pdev = of_find_device_by_node(dev_node); + if (!pdev) { + of_node_put(dev_node); + return -ENODEV; + } + + ctrldev = &pdev->dev; + priv = dev_get_drvdata(ctrldev); + of_node_put(dev_node); + + /* + * If priv is NULL, it's probably because the caam driver wasn't + * properly initialized (e.g. RNG4 init failed). Thus, bail out here. + */ + if (!priv) + return -ENODEV; + + /* Check for an instantiated RNG before registration */ + if (!(rd_reg32(&priv->ctrl->perfmon.cha_num_ls) & CHA_ID_LS_RNG_MASK)) + return -ENODEV; + + dev = caam_jr_alloc(); + if (IS_ERR(dev)) { + pr_err("Job Ring Device allocation for transform failed\n"); + return PTR_ERR(dev); + } + rng_ctx = kmalloc(sizeof(*rng_ctx), GFP_DMA | GFP_KERNEL); + if (!rng_ctx) { + err = -ENOMEM; + goto free_caam_alloc; + } + err = caam_init_rng(rng_ctx, dev); + if (err) + goto free_rng_ctx; + + dev_info(dev, "registering rng-caam\n"); + + err = hwrng_register(&caam_rng); + if (!err) + return err; + +free_rng_ctx: + kfree(rng_ctx); +free_caam_alloc: + caam_jr_free(dev); + return err; +} + +module_init(caam_rng_init); +module_exit(caam_rng_exit); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("FSL CAAM support for hw_random API"); +MODULE_AUTHOR("Freescale Semiconductor - NMG"); diff --git a/drivers/crypto/caam/compat.h b/drivers/crypto/caam/compat.h new file mode 100644 index 000000000..1c71e0cd5 --- /dev/null +++ b/drivers/crypto/caam/compat.h @@ -0,0 +1,47 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright 2008-2011 Freescale Semiconductor, Inc. + */ + +#ifndef CAAM_COMPAT_H +#define CAAM_COMPAT_H + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/mod_devicetable.h> +#include <linux/device.h> +#include <linux/interrupt.h> +#include <linux/crypto.h> +#include <linux/hash.h> +#include <linux/hw_random.h> +#include <linux/of_platform.h> +#include <linux/dma-mapping.h> +#include <linux/io.h> +#include <linux/spinlock.h> +#include <linux/rtnetlink.h> +#include <linux/in.h> +#include <linux/slab.h> +#include <linux/types.h> +#include <linux/debugfs.h> +#include <linux/circ_buf.h> +#include <linux/clk.h> +#include <net/xfrm.h> + +#include <crypto/algapi.h> +#include <crypto/null.h> +#include <crypto/aes.h> +#include <crypto/ctr.h> +#include <crypto/des.h> +#include <crypto/gcm.h> +#include <crypto/sha.h> +#include <crypto/md5.h> +#include <crypto/internal/aead.h> +#include <crypto/authenc.h> +#include <crypto/akcipher.h> +#include <crypto/scatterwalk.h> +#include <crypto/internal/skcipher.h> +#include <crypto/internal/hash.h> +#include <crypto/internal/rsa.h> +#include <crypto/internal/akcipher.h> + +#endif /* !defined(CAAM_COMPAT_H) */ diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c new file mode 100644 index 000000000..538c01f42 --- /dev/null +++ b/drivers/crypto/caam/ctrl.c @@ -0,0 +1,907 @@ +/* * CAAM control-plane driver backend + * Controller-level driver, kernel property detection, initialization + * + * Copyright 2008-2012 Freescale Semiconductor, Inc. + */ + +#include <linux/device.h> +#include <linux/of_address.h> +#include <linux/of_irq.h> +#include <linux/sys_soc.h> + +#include "compat.h" +#include "regs.h" +#include "intern.h" +#include "jr.h" +#include "desc_constr.h" +#include "ctrl.h" + +bool caam_little_end; +EXPORT_SYMBOL(caam_little_end); +bool caam_dpaa2; +EXPORT_SYMBOL(caam_dpaa2); +bool caam_imx; +EXPORT_SYMBOL(caam_imx); + +#ifdef CONFIG_CAAM_QI +#include "qi.h" +#endif + +/* + * i.MX targets tend to have clock control subsystems that can + * enable/disable clocking to our device. + */ +static inline struct clk *caam_drv_identify_clk(struct device *dev, + char *clk_name) +{ + return caam_imx ? devm_clk_get(dev, clk_name) : NULL; +} + +/* + * Descriptor to instantiate RNG State Handle 0 in normal mode and + * load the JDKEK, TDKEK and TDSK registers + */ +static void build_instantiation_desc(u32 *desc, int handle, int do_sk) +{ + u32 *jump_cmd, op_flags; + + init_job_desc(desc, 0); + + op_flags = OP_TYPE_CLASS1_ALG | OP_ALG_ALGSEL_RNG | + (handle << OP_ALG_AAI_SHIFT) | OP_ALG_AS_INIT; + + /* INIT RNG in non-test mode */ + append_operation(desc, op_flags); + + if (!handle && do_sk) { + /* + * For SH0, Secure Keys must be generated as well + */ + + /* wait for done */ + jump_cmd = append_jump(desc, JUMP_CLASS_CLASS1); + set_jump_tgt_here(desc, jump_cmd); + + /* + * load 1 to clear written reg: + * resets the done interrrupt and returns the RNG to idle. + */ + append_load_imm_u32(desc, 1, LDST_SRCDST_WORD_CLRW); + + /* Initialize State Handle */ + append_operation(desc, OP_TYPE_CLASS1_ALG | OP_ALG_ALGSEL_RNG | + OP_ALG_AAI_RNG4_SK); + } + + append_jump(desc, JUMP_CLASS_CLASS1 | JUMP_TYPE_HALT); +} + +/* Descriptor for deinstantiation of State Handle 0 of the RNG block. */ +static void build_deinstantiation_desc(u32 *desc, int handle) +{ + init_job_desc(desc, 0); + + /* Uninstantiate State Handle 0 */ + append_operation(desc, OP_TYPE_CLASS1_ALG | OP_ALG_ALGSEL_RNG | + (handle << OP_ALG_AAI_SHIFT) | OP_ALG_AS_INITFINAL); + + append_jump(desc, JUMP_CLASS_CLASS1 | JUMP_TYPE_HALT); +} + +/* + * run_descriptor_deco0 - runs a descriptor on DECO0, under direct control of + * the software (no JR/QI used). + * @ctrldev - pointer to device + * @status - descriptor status, after being run + * + * Return: - 0 if no error occurred + * - -ENODEV if the DECO couldn't be acquired + * - -EAGAIN if an error occurred while executing the descriptor + */ +static inline int run_descriptor_deco0(struct device *ctrldev, u32 *desc, + u32 *status) +{ + struct caam_drv_private *ctrlpriv = dev_get_drvdata(ctrldev); + struct caam_ctrl __iomem *ctrl = ctrlpriv->ctrl; + struct caam_deco __iomem *deco = ctrlpriv->deco; + unsigned int timeout = 100000; + u32 deco_dbg_reg, flags; + int i; + + + if (ctrlpriv->virt_en == 1) { + clrsetbits_32(&ctrl->deco_rsr, 0, DECORSR_JR0); + + while (!(rd_reg32(&ctrl->deco_rsr) & DECORSR_VALID) && + --timeout) + cpu_relax(); + + timeout = 100000; + } + + clrsetbits_32(&ctrl->deco_rq, 0, DECORR_RQD0ENABLE); + + while (!(rd_reg32(&ctrl->deco_rq) & DECORR_DEN0) && + --timeout) + cpu_relax(); + + if (!timeout) { + dev_err(ctrldev, "failed to acquire DECO 0\n"); + clrsetbits_32(&ctrl->deco_rq, DECORR_RQD0ENABLE, 0); + return -ENODEV; + } + + for (i = 0; i < desc_len(desc); i++) + wr_reg32(&deco->descbuf[i], caam32_to_cpu(*(desc + i))); + + flags = DECO_JQCR_WHL; + /* + * If the descriptor length is longer than 4 words, then the + * FOUR bit in JRCTRL register must be set. + */ + if (desc_len(desc) >= 4) + flags |= DECO_JQCR_FOUR; + + /* Instruct the DECO to execute it */ + clrsetbits_32(&deco->jr_ctl_hi, 0, flags); + + timeout = 10000000; + do { + deco_dbg_reg = rd_reg32(&deco->desc_dbg); + /* + * If an error occured in the descriptor, then + * the DECO status field will be set to 0x0D + */ + if ((deco_dbg_reg & DESC_DBG_DECO_STAT_MASK) == + DESC_DBG_DECO_STAT_HOST_ERR) + break; + cpu_relax(); + } while ((deco_dbg_reg & DESC_DBG_DECO_STAT_VALID) && --timeout); + + *status = rd_reg32(&deco->op_status_hi) & + DECO_OP_STATUS_HI_ERR_MASK; + + if (ctrlpriv->virt_en == 1) + clrsetbits_32(&ctrl->deco_rsr, DECORSR_JR0, 0); + + /* Mark the DECO as free */ + clrsetbits_32(&ctrl->deco_rq, DECORR_RQD0ENABLE, 0); + + if (!timeout) + return -EAGAIN; + + return 0; +} + +/* + * instantiate_rng - builds and executes a descriptor on DECO0, + * which initializes the RNG block. + * @ctrldev - pointer to device + * @state_handle_mask - bitmask containing the instantiation status + * for the RNG4 state handles which exist in + * the RNG4 block: 1 if it's been instantiated + * by an external entry, 0 otherwise. + * @gen_sk - generate data to be loaded into the JDKEK, TDKEK and TDSK; + * Caution: this can be done only once; if the keys need to be + * regenerated, a POR is required + * + * Return: - 0 if no error occurred + * - -ENOMEM if there isn't enough memory to allocate the descriptor + * - -ENODEV if DECO0 couldn't be acquired + * - -EAGAIN if an error occurred when executing the descriptor + * f.i. there was a RNG hardware error due to not "good enough" + * entropy being aquired. + */ +static int instantiate_rng(struct device *ctrldev, int state_handle_mask, + int gen_sk) +{ + struct caam_drv_private *ctrlpriv = dev_get_drvdata(ctrldev); + struct caam_ctrl __iomem *ctrl; + u32 *desc, status = 0, rdsta_val; + int ret = 0, sh_idx; + + ctrl = (struct caam_ctrl __iomem *)ctrlpriv->ctrl; + desc = kmalloc(CAAM_CMD_SZ * 7, GFP_KERNEL); + if (!desc) + return -ENOMEM; + + for (sh_idx = 0; sh_idx < RNG4_MAX_HANDLES; sh_idx++) { + /* + * If the corresponding bit is set, this state handle + * was initialized by somebody else, so it's left alone. + */ + if ((1 << sh_idx) & state_handle_mask) + continue; + + /* Create the descriptor for instantiating RNG State Handle */ + build_instantiation_desc(desc, sh_idx, gen_sk); + + /* Try to run it through DECO0 */ + ret = run_descriptor_deco0(ctrldev, desc, &status); + + /* + * If ret is not 0, or descriptor status is not 0, then + * something went wrong. No need to try the next state + * handle (if available), bail out here. + * Also, if for some reason, the State Handle didn't get + * instantiated although the descriptor has finished + * without any error (HW optimizations for later + * CAAM eras), then try again. + */ + if (ret) + break; + + rdsta_val = rd_reg32(&ctrl->r4tst[0].rdsta) & RDSTA_IFMASK; + if ((status && status != JRSTA_SSRC_JUMP_HALT_CC) || + !(rdsta_val & (1 << sh_idx))) { + ret = -EAGAIN; + break; + } + + dev_info(ctrldev, "Instantiated RNG4 SH%d\n", sh_idx); + /* Clear the contents before recreating the descriptor */ + memset(desc, 0x00, CAAM_CMD_SZ * 7); + } + + kfree(desc); + + return ret; +} + +/* + * deinstantiate_rng - builds and executes a descriptor on DECO0, + * which deinitializes the RNG block. + * @ctrldev - pointer to device + * @state_handle_mask - bitmask containing the instantiation status + * for the RNG4 state handles which exist in + * the RNG4 block: 1 if it's been instantiated + * + * Return: - 0 if no error occurred + * - -ENOMEM if there isn't enough memory to allocate the descriptor + * - -ENODEV if DECO0 couldn't be acquired + * - -EAGAIN if an error occurred when executing the descriptor + */ +static int deinstantiate_rng(struct device *ctrldev, int state_handle_mask) +{ + u32 *desc, status; + int sh_idx, ret = 0; + + desc = kmalloc(CAAM_CMD_SZ * 3, GFP_KERNEL); + if (!desc) + return -ENOMEM; + + for (sh_idx = 0; sh_idx < RNG4_MAX_HANDLES; sh_idx++) { + /* + * If the corresponding bit is set, then it means the state + * handle was initialized by us, and thus it needs to be + * deinitialized as well + */ + if ((1 << sh_idx) & state_handle_mask) { + /* + * Create the descriptor for deinstantating this state + * handle + */ + build_deinstantiation_desc(desc, sh_idx); + + /* Try to run it through DECO0 */ + ret = run_descriptor_deco0(ctrldev, desc, &status); + + if (ret || + (status && status != JRSTA_SSRC_JUMP_HALT_CC)) { + dev_err(ctrldev, + "Failed to deinstantiate RNG4 SH%d\n", + sh_idx); + break; + } + dev_info(ctrldev, "Deinstantiated RNG4 SH%d\n", sh_idx); + } + } + + kfree(desc); + + return ret; +} + +static int caam_remove(struct platform_device *pdev) +{ + struct device *ctrldev; + struct caam_drv_private *ctrlpriv; + struct caam_ctrl __iomem *ctrl; + + ctrldev = &pdev->dev; + ctrlpriv = dev_get_drvdata(ctrldev); + ctrl = (struct caam_ctrl __iomem *)ctrlpriv->ctrl; + + /* Remove platform devices under the crypto node */ + of_platform_depopulate(ctrldev); + +#ifdef CONFIG_CAAM_QI + if (ctrlpriv->qidev) + caam_qi_shutdown(ctrlpriv->qidev); +#endif + + /* + * De-initialize RNG state handles initialized by this driver. + * In case of SoCs with Management Complex, RNG is managed by MC f/w. + */ + if (!ctrlpriv->mc_en && ctrlpriv->rng4_sh_init) + deinstantiate_rng(ctrldev, ctrlpriv->rng4_sh_init); + + /* Shut down debug views */ +#ifdef CONFIG_DEBUG_FS + debugfs_remove_recursive(ctrlpriv->dfs_root); +#endif + + /* Unmap controller region */ + iounmap(ctrl); + + /* shut clocks off before finalizing shutdown */ + clk_disable_unprepare(ctrlpriv->caam_ipg); + if (ctrlpriv->caam_mem) + clk_disable_unprepare(ctrlpriv->caam_mem); + clk_disable_unprepare(ctrlpriv->caam_aclk); + if (ctrlpriv->caam_emi_slow) + clk_disable_unprepare(ctrlpriv->caam_emi_slow); + return 0; +} + +/* + * kick_trng - sets the various parameters for enabling the initialization + * of the RNG4 block in CAAM + * @pdev - pointer to the platform device + * @ent_delay - Defines the length (in system clocks) of each entropy sample. + */ +static void kick_trng(struct platform_device *pdev, int ent_delay) +{ + struct device *ctrldev = &pdev->dev; + struct caam_drv_private *ctrlpriv = dev_get_drvdata(ctrldev); + struct caam_ctrl __iomem *ctrl; + struct rng4tst __iomem *r4tst; + u32 val; + + ctrl = (struct caam_ctrl __iomem *)ctrlpriv->ctrl; + r4tst = &ctrl->r4tst[0]; + + /* put RNG4 into program mode */ + clrsetbits_32(&r4tst->rtmctl, 0, RTMCTL_PRGM); + + /* + * Performance-wise, it does not make sense to + * set the delay to a value that is lower + * than the last one that worked (i.e. the state handles + * were instantiated properly. Thus, instead of wasting + * time trying to set the values controlling the sample + * frequency, the function simply returns. + */ + val = (rd_reg32(&r4tst->rtsdctl) & RTSDCTL_ENT_DLY_MASK) + >> RTSDCTL_ENT_DLY_SHIFT; + if (ent_delay <= val) + goto start_rng; + + val = rd_reg32(&r4tst->rtsdctl); + val = (val & ~RTSDCTL_ENT_DLY_MASK) | + (ent_delay << RTSDCTL_ENT_DLY_SHIFT); + wr_reg32(&r4tst->rtsdctl, val); + /* min. freq. count, equal to 1/4 of the entropy sample length */ + wr_reg32(&r4tst->rtfrqmin, ent_delay >> 2); + /* disable maximum frequency count */ + wr_reg32(&r4tst->rtfrqmax, RTFRQMAX_DISABLE); + /* read the control register */ + val = rd_reg32(&r4tst->rtmctl); +start_rng: + /* + * select raw sampling in both entropy shifter + * and statistical checker; ; put RNG4 into run mode + */ + clrsetbits_32(&r4tst->rtmctl, RTMCTL_PRGM, RTMCTL_SAMP_MODE_RAW_ES_SC); +} + +static int caam_get_era_from_hw(struct caam_ctrl __iomem *ctrl) +{ + static const struct { + u16 ip_id; + u8 maj_rev; + u8 era; + } id[] = { + {0x0A10, 1, 1}, + {0x0A10, 2, 2}, + {0x0A12, 1, 3}, + {0x0A14, 1, 3}, + {0x0A14, 2, 4}, + {0x0A16, 1, 4}, + {0x0A10, 3, 4}, + {0x0A11, 1, 4}, + {0x0A18, 1, 4}, + {0x0A11, 2, 5}, + {0x0A12, 2, 5}, + {0x0A13, 1, 5}, + {0x0A1C, 1, 5} + }; + u32 ccbvid, id_ms; + u8 maj_rev, era; + u16 ip_id; + int i; + + ccbvid = rd_reg32(&ctrl->perfmon.ccb_id); + era = (ccbvid & CCBVID_ERA_MASK) >> CCBVID_ERA_SHIFT; + if (era) /* This is '0' prior to CAAM ERA-6 */ + return era; + + id_ms = rd_reg32(&ctrl->perfmon.caam_id_ms); + ip_id = (id_ms & SECVID_MS_IPID_MASK) >> SECVID_MS_IPID_SHIFT; + maj_rev = (id_ms & SECVID_MS_MAJ_REV_MASK) >> SECVID_MS_MAJ_REV_SHIFT; + + for (i = 0; i < ARRAY_SIZE(id); i++) + if (id[i].ip_id == ip_id && id[i].maj_rev == maj_rev) + return id[i].era; + + return -ENOTSUPP; +} + +/** + * caam_get_era() - Return the ERA of the SEC on SoC, based + * on "sec-era" optional property in the DTS. This property is updated + * by u-boot. + * In case this property is not passed an attempt to retrieve the CAAM + * era via register reads will be made. + **/ +static int caam_get_era(struct caam_ctrl __iomem *ctrl) +{ + struct device_node *caam_node; + int ret; + u32 prop; + + caam_node = of_find_compatible_node(NULL, NULL, "fsl,sec-v4.0"); + ret = of_property_read_u32(caam_node, "fsl,sec-era", &prop); + of_node_put(caam_node); + + if (!ret) + return prop; + else + return caam_get_era_from_hw(ctrl); +} + +static const struct of_device_id caam_match[] = { + { + .compatible = "fsl,sec-v4.0", + }, + { + .compatible = "fsl,sec4.0", + }, + {}, +}; +MODULE_DEVICE_TABLE(of, caam_match); + +/* Probe routine for CAAM top (controller) level */ +static int caam_probe(struct platform_device *pdev) +{ + int ret, ring, gen_sk, ent_delay = RTSDCTL_ENT_DLY_MIN; + u64 caam_id; + static const struct soc_device_attribute imx_soc[] = { + {.family = "Freescale i.MX"}, + {}, + }; + struct device *dev; + struct device_node *nprop, *np; + struct caam_ctrl __iomem *ctrl; + struct caam_drv_private *ctrlpriv; + struct clk *clk; +#ifdef CONFIG_DEBUG_FS + struct caam_perfmon *perfmon; +#endif + u32 scfgr, comp_params; + u32 cha_vid_ls; + int pg_size; + int BLOCK_OFFSET = 0; + + ctrlpriv = devm_kzalloc(&pdev->dev, sizeof(*ctrlpriv), GFP_KERNEL); + if (!ctrlpriv) + return -ENOMEM; + + dev = &pdev->dev; + dev_set_drvdata(dev, ctrlpriv); + nprop = pdev->dev.of_node; + + caam_imx = (bool)soc_device_match(imx_soc); + + /* Enable clocking */ + clk = caam_drv_identify_clk(&pdev->dev, "ipg"); + if (IS_ERR(clk)) { + ret = PTR_ERR(clk); + dev_err(&pdev->dev, + "can't identify CAAM ipg clk: %d\n", ret); + return ret; + } + ctrlpriv->caam_ipg = clk; + + if (!of_machine_is_compatible("fsl,imx7d") && + !of_machine_is_compatible("fsl,imx7s")) { + clk = caam_drv_identify_clk(&pdev->dev, "mem"); + if (IS_ERR(clk)) { + ret = PTR_ERR(clk); + dev_err(&pdev->dev, + "can't identify CAAM mem clk: %d\n", ret); + return ret; + } + ctrlpriv->caam_mem = clk; + } + + clk = caam_drv_identify_clk(&pdev->dev, "aclk"); + if (IS_ERR(clk)) { + ret = PTR_ERR(clk); + dev_err(&pdev->dev, + "can't identify CAAM aclk clk: %d\n", ret); + return ret; + } + ctrlpriv->caam_aclk = clk; + + if (!of_machine_is_compatible("fsl,imx6ul") && + !of_machine_is_compatible("fsl,imx7d") && + !of_machine_is_compatible("fsl,imx7s")) { + clk = caam_drv_identify_clk(&pdev->dev, "emi_slow"); + if (IS_ERR(clk)) { + ret = PTR_ERR(clk); + dev_err(&pdev->dev, + "can't identify CAAM emi_slow clk: %d\n", ret); + return ret; + } + ctrlpriv->caam_emi_slow = clk; + } + + ret = clk_prepare_enable(ctrlpriv->caam_ipg); + if (ret < 0) { + dev_err(&pdev->dev, "can't enable CAAM ipg clock: %d\n", ret); + return ret; + } + + if (ctrlpriv->caam_mem) { + ret = clk_prepare_enable(ctrlpriv->caam_mem); + if (ret < 0) { + dev_err(&pdev->dev, "can't enable CAAM secure mem clock: %d\n", + ret); + goto disable_caam_ipg; + } + } + + ret = clk_prepare_enable(ctrlpriv->caam_aclk); + if (ret < 0) { + dev_err(&pdev->dev, "can't enable CAAM aclk clock: %d\n", ret); + goto disable_caam_mem; + } + + if (ctrlpriv->caam_emi_slow) { + ret = clk_prepare_enable(ctrlpriv->caam_emi_slow); + if (ret < 0) { + dev_err(&pdev->dev, "can't enable CAAM emi slow clock: %d\n", + ret); + goto disable_caam_aclk; + } + } + + /* Get configuration properties from device tree */ + /* First, get register page */ + ctrl = of_iomap(nprop, 0); + if (ctrl == NULL) { + dev_err(dev, "caam: of_iomap() failed\n"); + ret = -ENOMEM; + goto disable_caam_emi_slow; + } + + caam_little_end = !(bool)(rd_reg32(&ctrl->perfmon.status) & + (CSTA_PLEND | CSTA_ALT_PLEND)); + + /* Finding the page size for using the CTPR_MS register */ + comp_params = rd_reg32(&ctrl->perfmon.comp_parms_ms); + pg_size = (comp_params & CTPR_MS_PG_SZ_MASK) >> CTPR_MS_PG_SZ_SHIFT; + + /* Allocating the BLOCK_OFFSET based on the supported page size on + * the platform + */ + if (pg_size == 0) + BLOCK_OFFSET = PG_SIZE_4K; + else + BLOCK_OFFSET = PG_SIZE_64K; + + ctrlpriv->ctrl = (struct caam_ctrl __iomem __force *)ctrl; + ctrlpriv->assure = (struct caam_assurance __iomem __force *) + ((__force uint8_t *)ctrl + + BLOCK_OFFSET * ASSURE_BLOCK_NUMBER + ); + ctrlpriv->deco = (struct caam_deco __iomem __force *) + ((__force uint8_t *)ctrl + + BLOCK_OFFSET * DECO_BLOCK_NUMBER + ); + + /* Get the IRQ of the controller (for security violations only) */ + ctrlpriv->secvio_irq = irq_of_parse_and_map(nprop, 0); + + /* + * Enable DECO watchdogs and, if this is a PHYS_ADDR_T_64BIT kernel, + * long pointers in master configuration register. + * In case of SoCs with Management Complex, MC f/w performs + * the configuration. + */ + caam_dpaa2 = !!(comp_params & CTPR_MS_DPAA2); + np = of_find_compatible_node(NULL, NULL, "fsl,qoriq-mc"); + ctrlpriv->mc_en = !!np; + of_node_put(np); + + if (!ctrlpriv->mc_en) + clrsetbits_32(&ctrl->mcr, MCFGR_AWCACHE_MASK | MCFGR_LONG_PTR, + MCFGR_AWCACHE_CACH | MCFGR_AWCACHE_BUFF | + MCFGR_WDENABLE | MCFGR_LARGE_BURST | + (sizeof(dma_addr_t) == sizeof(u64) ? + MCFGR_LONG_PTR : 0)); + + /* + * Read the Compile Time paramters and SCFGR to determine + * if Virtualization is enabled for this platform + */ + scfgr = rd_reg32(&ctrl->scfgr); + + ctrlpriv->virt_en = 0; + if (comp_params & CTPR_MS_VIRT_EN_INCL) { + /* VIRT_EN_INCL = 1 & VIRT_EN_POR = 1 or + * VIRT_EN_INCL = 1 & VIRT_EN_POR = 0 & SCFGR_VIRT_EN = 1 + */ + if ((comp_params & CTPR_MS_VIRT_EN_POR) || + (!(comp_params & CTPR_MS_VIRT_EN_POR) && + (scfgr & SCFGR_VIRT_EN))) + ctrlpriv->virt_en = 1; + } else { + /* VIRT_EN_INCL = 0 && VIRT_EN_POR_VALUE = 1 */ + if (comp_params & CTPR_MS_VIRT_EN_POR) + ctrlpriv->virt_en = 1; + } + + if (ctrlpriv->virt_en == 1) + clrsetbits_32(&ctrl->jrstart, 0, JRSTART_JR0_START | + JRSTART_JR1_START | JRSTART_JR2_START | + JRSTART_JR3_START); + + if (sizeof(dma_addr_t) == sizeof(u64)) { + if (caam_dpaa2) + ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(49)); + else if (of_device_is_compatible(nprop, "fsl,sec-v5.0")) + ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(40)); + else + ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(36)); + } else { + ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32)); + } + if (ret) { + dev_err(dev, "dma_set_mask_and_coherent failed (%d)\n", ret); + goto iounmap_ctrl; + } + + ctrlpriv->era = caam_get_era(ctrl); + + ret = of_platform_populate(nprop, caam_match, NULL, dev); + if (ret) { + dev_err(dev, "JR platform devices creation error\n"); + goto iounmap_ctrl; + } + +#ifdef CONFIG_DEBUG_FS + /* + * FIXME: needs better naming distinction, as some amalgamation of + * "caam" and nprop->full_name. The OF name isn't distinctive, + * but does separate instances + */ + perfmon = (struct caam_perfmon __force *)&ctrl->perfmon; + + ctrlpriv->dfs_root = debugfs_create_dir(dev_name(dev), NULL); + ctrlpriv->ctl = debugfs_create_dir("ctl", ctrlpriv->dfs_root); +#endif + + ring = 0; + for_each_available_child_of_node(nprop, np) + if (of_device_is_compatible(np, "fsl,sec-v4.0-job-ring") || + of_device_is_compatible(np, "fsl,sec4.0-job-ring")) { + ctrlpriv->jr[ring] = (struct caam_job_ring __iomem __force *) + ((__force uint8_t *)ctrl + + (ring + JR_BLOCK_NUMBER) * + BLOCK_OFFSET + ); + ctrlpriv->total_jobrs++; + ring++; + } + + /* Check to see if (DPAA 1.x) QI present. If so, enable */ + ctrlpriv->qi_present = !!(comp_params & CTPR_MS_QI_MASK); + if (ctrlpriv->qi_present && !caam_dpaa2) { + ctrlpriv->qi = (struct caam_queue_if __iomem __force *) + ((__force uint8_t *)ctrl + + BLOCK_OFFSET * QI_BLOCK_NUMBER + ); + /* This is all that's required to physically enable QI */ + wr_reg32(&ctrlpriv->qi->qi_control_lo, QICTL_DQEN); + + /* If QMAN driver is present, init CAAM-QI backend */ +#ifdef CONFIG_CAAM_QI + ret = caam_qi_init(pdev); + if (ret) + dev_err(dev, "caam qi i/f init failed: %d\n", ret); +#endif + } + + /* If no QI and no rings specified, quit and go home */ + if ((!ctrlpriv->qi_present) && (!ctrlpriv->total_jobrs)) { + dev_err(dev, "no queues configured, terminating\n"); + ret = -ENOMEM; + goto caam_remove; + } + + cha_vid_ls = rd_reg32(&ctrl->perfmon.cha_id_ls); + + /* + * If SEC has RNG version >= 4 and RNG state handle has not been + * already instantiated, do RNG instantiation + * In case of SoCs with Management Complex, RNG is managed by MC f/w. + */ + if (!ctrlpriv->mc_en && + (cha_vid_ls & CHA_ID_LS_RNG_MASK) >> CHA_ID_LS_RNG_SHIFT >= 4) { + ctrlpriv->rng4_sh_init = + rd_reg32(&ctrl->r4tst[0].rdsta); + /* + * If the secure keys (TDKEK, JDKEK, TDSK), were already + * generated, signal this to the function that is instantiating + * the state handles. An error would occur if RNG4 attempts + * to regenerate these keys before the next POR. + */ + gen_sk = ctrlpriv->rng4_sh_init & RDSTA_SKVN ? 0 : 1; + ctrlpriv->rng4_sh_init &= RDSTA_IFMASK; + do { + int inst_handles = + rd_reg32(&ctrl->r4tst[0].rdsta) & + RDSTA_IFMASK; + /* + * If either SH were instantiated by somebody else + * (e.g. u-boot) then it is assumed that the entropy + * parameters are properly set and thus the function + * setting these (kick_trng(...)) is skipped. + * Also, if a handle was instantiated, do not change + * the TRNG parameters. + */ + if (!(ctrlpriv->rng4_sh_init || inst_handles)) { + dev_info(dev, + "Entropy delay = %u\n", + ent_delay); + kick_trng(pdev, ent_delay); + ent_delay += 400; + } + /* + * if instantiate_rng(...) fails, the loop will rerun + * and the kick_trng(...) function will modfiy the + * upper and lower limits of the entropy sampling + * interval, leading to a sucessful initialization of + * the RNG. + */ + ret = instantiate_rng(dev, inst_handles, + gen_sk); + if (ret == -EAGAIN) + /* + * if here, the loop will rerun, + * so don't hog the CPU + */ + cpu_relax(); + } while ((ret == -EAGAIN) && (ent_delay < RTSDCTL_ENT_DLY_MAX)); + if (ret) { + dev_err(dev, "failed to instantiate RNG"); + goto caam_remove; + } + /* + * Set handles init'ed by this module as the complement of the + * already initialized ones + */ + ctrlpriv->rng4_sh_init = ~ctrlpriv->rng4_sh_init & RDSTA_IFMASK; + + /* Enable RDB bit so that RNG works faster */ + clrsetbits_32(&ctrl->scfgr, 0, SCFGR_RDBENABLE); + } + + /* NOTE: RTIC detection ought to go here, around Si time */ + + caam_id = (u64)rd_reg32(&ctrl->perfmon.caam_id_ms) << 32 | + (u64)rd_reg32(&ctrl->perfmon.caam_id_ls); + + /* Report "alive" for developer to see */ + dev_info(dev, "device ID = 0x%016llx (Era %d)\n", caam_id, + ctrlpriv->era); + dev_info(dev, "job rings = %d, qi = %d\n", + ctrlpriv->total_jobrs, ctrlpriv->qi_present); + +#ifdef CONFIG_DEBUG_FS + debugfs_create_file("rq_dequeued", S_IRUSR | S_IRGRP | S_IROTH, + ctrlpriv->ctl, &perfmon->req_dequeued, + &caam_fops_u64_ro); + debugfs_create_file("ob_rq_encrypted", S_IRUSR | S_IRGRP | S_IROTH, + ctrlpriv->ctl, &perfmon->ob_enc_req, + &caam_fops_u64_ro); + debugfs_create_file("ib_rq_decrypted", S_IRUSR | S_IRGRP | S_IROTH, + ctrlpriv->ctl, &perfmon->ib_dec_req, + &caam_fops_u64_ro); + debugfs_create_file("ob_bytes_encrypted", S_IRUSR | S_IRGRP | S_IROTH, + ctrlpriv->ctl, &perfmon->ob_enc_bytes, + &caam_fops_u64_ro); + debugfs_create_file("ob_bytes_protected", S_IRUSR | S_IRGRP | S_IROTH, + ctrlpriv->ctl, &perfmon->ob_prot_bytes, + &caam_fops_u64_ro); + debugfs_create_file("ib_bytes_decrypted", S_IRUSR | S_IRGRP | S_IROTH, + ctrlpriv->ctl, &perfmon->ib_dec_bytes, + &caam_fops_u64_ro); + debugfs_create_file("ib_bytes_validated", S_IRUSR | S_IRGRP | S_IROTH, + ctrlpriv->ctl, &perfmon->ib_valid_bytes, + &caam_fops_u64_ro); + + /* Controller level - global status values */ + debugfs_create_file("fault_addr", S_IRUSR | S_IRGRP | S_IROTH, + ctrlpriv->ctl, &perfmon->faultaddr, + &caam_fops_u32_ro); + debugfs_create_file("fault_detail", S_IRUSR | S_IRGRP | S_IROTH, + ctrlpriv->ctl, &perfmon->faultdetail, + &caam_fops_u32_ro); + debugfs_create_file("fault_status", S_IRUSR | S_IRGRP | S_IROTH, + ctrlpriv->ctl, &perfmon->status, + &caam_fops_u32_ro); + + /* Internal covering keys (useful in non-secure mode only) */ + ctrlpriv->ctl_kek_wrap.data = (__force void *)&ctrlpriv->ctrl->kek[0]; + ctrlpriv->ctl_kek_wrap.size = KEK_KEY_SIZE * sizeof(u32); + ctrlpriv->ctl_kek = debugfs_create_blob("kek", + S_IRUSR | + S_IRGRP | S_IROTH, + ctrlpriv->ctl, + &ctrlpriv->ctl_kek_wrap); + + ctrlpriv->ctl_tkek_wrap.data = (__force void *)&ctrlpriv->ctrl->tkek[0]; + ctrlpriv->ctl_tkek_wrap.size = KEK_KEY_SIZE * sizeof(u32); + ctrlpriv->ctl_tkek = debugfs_create_blob("tkek", + S_IRUSR | + S_IRGRP | S_IROTH, + ctrlpriv->ctl, + &ctrlpriv->ctl_tkek_wrap); + + ctrlpriv->ctl_tdsk_wrap.data = (__force void *)&ctrlpriv->ctrl->tdsk[0]; + ctrlpriv->ctl_tdsk_wrap.size = KEK_KEY_SIZE * sizeof(u32); + ctrlpriv->ctl_tdsk = debugfs_create_blob("tdsk", + S_IRUSR | + S_IRGRP | S_IROTH, + ctrlpriv->ctl, + &ctrlpriv->ctl_tdsk_wrap); +#endif + return 0; + +caam_remove: + caam_remove(pdev); + return ret; + +iounmap_ctrl: + iounmap(ctrl); +disable_caam_emi_slow: + if (ctrlpriv->caam_emi_slow) + clk_disable_unprepare(ctrlpriv->caam_emi_slow); +disable_caam_aclk: + clk_disable_unprepare(ctrlpriv->caam_aclk); +disable_caam_mem: + if (ctrlpriv->caam_mem) + clk_disable_unprepare(ctrlpriv->caam_mem); +disable_caam_ipg: + clk_disable_unprepare(ctrlpriv->caam_ipg); + return ret; +} + +static struct platform_driver caam_driver = { + .driver = { + .name = "caam", + .of_match_table = caam_match, + }, + .probe = caam_probe, + .remove = caam_remove, +}; + +module_platform_driver(caam_driver); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("FSL CAAM request backend"); +MODULE_AUTHOR("Freescale Semiconductor - NMG/STC"); diff --git a/drivers/crypto/caam/ctrl.h b/drivers/crypto/caam/ctrl.h new file mode 100644 index 000000000..f3ecd6792 --- /dev/null +++ b/drivers/crypto/caam/ctrl.h @@ -0,0 +1,14 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * CAAM control-plane driver backend public-level include definitions + * + * Copyright 2012 Freescale Semiconductor, Inc. + */ + +#ifndef CTRL_H +#define CTRL_H + +/* Prototypes for backend-level services exposed to APIs */ +extern bool caam_dpaa2; + +#endif /* CTRL_H */ diff --git a/drivers/crypto/caam/desc.h b/drivers/crypto/caam/desc.h new file mode 100644 index 000000000..f76ff160a --- /dev/null +++ b/drivers/crypto/caam/desc.h @@ -0,0 +1,1656 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * CAAM descriptor composition header + * Definitions to support CAAM descriptor instruction generation + * + * Copyright 2008-2011 Freescale Semiconductor, Inc. + */ + +#ifndef DESC_H +#define DESC_H + +/* + * 16-byte hardware scatter/gather table + * An 8-byte table exists in the hardware spec, but has never been + * implemented to date. The 8/16 option is selected at RTL-compile-time. + * and this selection is visible in the Compile Time Parameters Register + */ + +#define SEC4_SG_LEN_EXT 0x80000000 /* Entry points to table */ +#define SEC4_SG_LEN_FIN 0x40000000 /* Last ent in table */ +#define SEC4_SG_BPID_MASK 0x000000ff +#define SEC4_SG_BPID_SHIFT 16 +#define SEC4_SG_LEN_MASK 0x3fffffff /* Excludes EXT and FINAL */ +#define SEC4_SG_OFFSET_MASK 0x00001fff + +/* Max size of any CAAM descriptor in 32-bit words, inclusive of header */ +#define MAX_CAAM_DESCSIZE 64 + +/* Block size of any entity covered/uncovered with a KEK/TKEK */ +#define KEK_BLOCKSIZE 16 + +/* + * Supported descriptor command types as they show up + * inside a descriptor command word. + */ +#define CMD_SHIFT 27 +#define CMD_MASK 0xf8000000 + +#define CMD_KEY (0x00 << CMD_SHIFT) +#define CMD_SEQ_KEY (0x01 << CMD_SHIFT) +#define CMD_LOAD (0x02 << CMD_SHIFT) +#define CMD_SEQ_LOAD (0x03 << CMD_SHIFT) +#define CMD_FIFO_LOAD (0x04 << CMD_SHIFT) +#define CMD_SEQ_FIFO_LOAD (0x05 << CMD_SHIFT) +#define CMD_STORE (0x0a << CMD_SHIFT) +#define CMD_SEQ_STORE (0x0b << CMD_SHIFT) +#define CMD_FIFO_STORE (0x0c << CMD_SHIFT) +#define CMD_SEQ_FIFO_STORE (0x0d << CMD_SHIFT) +#define CMD_MOVE_LEN (0x0e << CMD_SHIFT) +#define CMD_MOVE (0x0f << CMD_SHIFT) +#define CMD_OPERATION (0x10 << CMD_SHIFT) +#define CMD_SIGNATURE (0x12 << CMD_SHIFT) +#define CMD_JUMP (0x14 << CMD_SHIFT) +#define CMD_MATH (0x15 << CMD_SHIFT) +#define CMD_DESC_HDR (0x16 << CMD_SHIFT) +#define CMD_SHARED_DESC_HDR (0x17 << CMD_SHIFT) +#define CMD_SEQ_IN_PTR (0x1e << CMD_SHIFT) +#define CMD_SEQ_OUT_PTR (0x1f << CMD_SHIFT) + +/* General-purpose class selector for all commands */ +#define CLASS_SHIFT 25 +#define CLASS_MASK (0x03 << CLASS_SHIFT) + +#define CLASS_NONE (0x00 << CLASS_SHIFT) +#define CLASS_1 (0x01 << CLASS_SHIFT) +#define CLASS_2 (0x02 << CLASS_SHIFT) +#define CLASS_BOTH (0x03 << CLASS_SHIFT) + +/* + * Descriptor header command constructs + * Covers shared, job, and trusted descriptor headers + */ + +/* + * Do Not Run - marks a descriptor inexecutable if there was + * a preceding error somewhere + */ +#define HDR_DNR 0x01000000 + +/* + * ONE - should always be set. Combination of ONE (always + * set) and ZRO (always clear) forms an endianness sanity check + */ +#define HDR_ONE 0x00800000 +#define HDR_ZRO 0x00008000 + +/* Start Index or SharedDesc Length */ +#define HDR_START_IDX_SHIFT 16 +#define HDR_START_IDX_MASK (0x3f << HDR_START_IDX_SHIFT) + +/* If shared descriptor header, 6-bit length */ +#define HDR_DESCLEN_SHR_MASK 0x3f + +/* If non-shared header, 7-bit length */ +#define HDR_DESCLEN_MASK 0x7f + +/* This is a TrustedDesc (if not SharedDesc) */ +#define HDR_TRUSTED 0x00004000 + +/* Make into TrustedDesc (if not SharedDesc) */ +#define HDR_MAKE_TRUSTED 0x00002000 + +/* Save context if self-shared (if SharedDesc) */ +#define HDR_SAVECTX 0x00001000 + +/* Next item points to SharedDesc */ +#define HDR_SHARED 0x00001000 + +/* + * Reverse Execution Order - execute JobDesc first, then + * execute SharedDesc (normally SharedDesc goes first). + */ +#define HDR_REVERSE 0x00000800 + +/* Propogate DNR property to SharedDesc */ +#define HDR_PROP_DNR 0x00000800 + +/* JobDesc/SharedDesc share property */ +#define HDR_SD_SHARE_SHIFT 8 +#define HDR_SD_SHARE_MASK (0x03 << HDR_SD_SHARE_SHIFT) +#define HDR_JD_SHARE_SHIFT 8 +#define HDR_JD_SHARE_MASK (0x07 << HDR_JD_SHARE_SHIFT) + +#define HDR_SHARE_NEVER (0x00 << HDR_SD_SHARE_SHIFT) +#define HDR_SHARE_WAIT (0x01 << HDR_SD_SHARE_SHIFT) +#define HDR_SHARE_SERIAL (0x02 << HDR_SD_SHARE_SHIFT) +#define HDR_SHARE_ALWAYS (0x03 << HDR_SD_SHARE_SHIFT) +#define HDR_SHARE_DEFER (0x04 << HDR_SD_SHARE_SHIFT) + +/* JobDesc/SharedDesc descriptor length */ +#define HDR_JD_LENGTH_MASK 0x7f +#define HDR_SD_LENGTH_MASK 0x3f + +/* + * KEY/SEQ_KEY Command Constructs + */ + +/* Key Destination Class: 01 = Class 1, 02 - Class 2 */ +#define KEY_DEST_CLASS_SHIFT 25 /* use CLASS_1 or CLASS_2 */ +#define KEY_DEST_CLASS_MASK (0x03 << KEY_DEST_CLASS_SHIFT) + +/* Scatter-Gather Table/Variable Length Field */ +#define KEY_SGF 0x01000000 +#define KEY_VLF 0x01000000 + +/* Immediate - Key follows command in the descriptor */ +#define KEY_IMM 0x00800000 + +/* + * Encrypted - Key is encrypted either with the KEK, or + * with the TDKEK if TK is set + */ +#define KEY_ENC 0x00400000 + +/* + * No Write Back - Do not allow key to be FIFO STOREd + */ +#define KEY_NWB 0x00200000 + +/* + * Enhanced Encryption of Key + */ +#define KEY_EKT 0x00100000 + +/* + * Encrypted with Trusted Key + */ +#define KEY_TK 0x00008000 + +/* + * KDEST - Key Destination: 0 - class key register, + * 1 - PKHA 'e', 2 - AFHA Sbox, 3 - MDHA split-key + */ +#define KEY_DEST_SHIFT 16 +#define KEY_DEST_MASK (0x03 << KEY_DEST_SHIFT) + +#define KEY_DEST_CLASS_REG (0x00 << KEY_DEST_SHIFT) +#define KEY_DEST_PKHA_E (0x01 << KEY_DEST_SHIFT) +#define KEY_DEST_AFHA_SBOX (0x02 << KEY_DEST_SHIFT) +#define KEY_DEST_MDHA_SPLIT (0x03 << KEY_DEST_SHIFT) + +/* Length in bytes */ +#define KEY_LENGTH_MASK 0x000003ff + +/* + * LOAD/SEQ_LOAD/STORE/SEQ_STORE Command Constructs + */ + +/* + * Load/Store Destination: 0 = class independent CCB, + * 1 = class 1 CCB, 2 = class 2 CCB, 3 = DECO + */ +#define LDST_CLASS_SHIFT 25 +#define LDST_CLASS_MASK (0x03 << LDST_CLASS_SHIFT) +#define LDST_CLASS_IND_CCB (0x00 << LDST_CLASS_SHIFT) +#define LDST_CLASS_1_CCB (0x01 << LDST_CLASS_SHIFT) +#define LDST_CLASS_2_CCB (0x02 << LDST_CLASS_SHIFT) +#define LDST_CLASS_DECO (0x03 << LDST_CLASS_SHIFT) + +/* Scatter-Gather Table/Variable Length Field */ +#define LDST_SGF 0x01000000 +#define LDST_VLF LDST_SGF + +/* Immediate - Key follows this command in descriptor */ +#define LDST_IMM_MASK 1 +#define LDST_IMM_SHIFT 23 +#define LDST_IMM (LDST_IMM_MASK << LDST_IMM_SHIFT) + +/* SRC/DST - Destination for LOAD, Source for STORE */ +#define LDST_SRCDST_SHIFT 16 +#define LDST_SRCDST_MASK (0x7f << LDST_SRCDST_SHIFT) + +#define LDST_SRCDST_BYTE_CONTEXT (0x20 << LDST_SRCDST_SHIFT) +#define LDST_SRCDST_BYTE_KEY (0x40 << LDST_SRCDST_SHIFT) +#define LDST_SRCDST_BYTE_INFIFO (0x7c << LDST_SRCDST_SHIFT) +#define LDST_SRCDST_BYTE_OUTFIFO (0x7e << LDST_SRCDST_SHIFT) + +#define LDST_SRCDST_WORD_MODE_REG (0x00 << LDST_SRCDST_SHIFT) +#define LDST_SRCDST_WORD_KEYSZ_REG (0x01 << LDST_SRCDST_SHIFT) +#define LDST_SRCDST_WORD_DATASZ_REG (0x02 << LDST_SRCDST_SHIFT) +#define LDST_SRCDST_WORD_ICVSZ_REG (0x03 << LDST_SRCDST_SHIFT) +#define LDST_SRCDST_WORD_CHACTRL (0x06 << LDST_SRCDST_SHIFT) +#define LDST_SRCDST_WORD_DECOCTRL (0x06 << LDST_SRCDST_SHIFT) +#define LDST_SRCDST_WORD_IRQCTRL (0x07 << LDST_SRCDST_SHIFT) +#define LDST_SRCDST_WORD_DECO_PCLOVRD (0x07 << LDST_SRCDST_SHIFT) +#define LDST_SRCDST_WORD_CLRW (0x08 << LDST_SRCDST_SHIFT) +#define LDST_SRCDST_WORD_DECO_MATH0 (0x08 << LDST_SRCDST_SHIFT) +#define LDST_SRCDST_WORD_STAT (0x09 << LDST_SRCDST_SHIFT) +#define LDST_SRCDST_WORD_DECO_MATH1 (0x09 << LDST_SRCDST_SHIFT) +#define LDST_SRCDST_WORD_DECO_MATH2 (0x0a << LDST_SRCDST_SHIFT) +#define LDST_SRCDST_WORD_DECO_AAD_SZ (0x0b << LDST_SRCDST_SHIFT) +#define LDST_SRCDST_WORD_DECO_MATH3 (0x0b << LDST_SRCDST_SHIFT) +#define LDST_SRCDST_WORD_CLASS1_IV_SZ (0x0c << LDST_SRCDST_SHIFT) +#define LDST_SRCDST_WORD_ALTDS_CLASS1 (0x0f << LDST_SRCDST_SHIFT) +#define LDST_SRCDST_WORD_PKHA_A_SZ (0x10 << LDST_SRCDST_SHIFT) +#define LDST_SRCDST_WORD_PKHA_B_SZ (0x11 << LDST_SRCDST_SHIFT) +#define LDST_SRCDST_WORD_PKHA_N_SZ (0x12 << LDST_SRCDST_SHIFT) +#define LDST_SRCDST_WORD_PKHA_E_SZ (0x13 << LDST_SRCDST_SHIFT) +#define LDST_SRCDST_WORD_CLASS_CTX (0x20 << LDST_SRCDST_SHIFT) +#define LDST_SRCDST_WORD_DESCBUF (0x40 << LDST_SRCDST_SHIFT) +#define LDST_SRCDST_WORD_DESCBUF_JOB (0x41 << LDST_SRCDST_SHIFT) +#define LDST_SRCDST_WORD_DESCBUF_SHARED (0x42 << LDST_SRCDST_SHIFT) +#define LDST_SRCDST_WORD_DESCBUF_JOB_WE (0x45 << LDST_SRCDST_SHIFT) +#define LDST_SRCDST_WORD_DESCBUF_SHARED_WE (0x46 << LDST_SRCDST_SHIFT) +#define LDST_SRCDST_WORD_INFO_FIFO (0x7a << LDST_SRCDST_SHIFT) + +/* Offset in source/destination */ +#define LDST_OFFSET_SHIFT 8 +#define LDST_OFFSET_MASK (0xff << LDST_OFFSET_SHIFT) + +/* LDOFF definitions used when DST = LDST_SRCDST_WORD_DECOCTRL */ +/* These could also be shifted by LDST_OFFSET_SHIFT - this reads better */ +#define LDOFF_CHG_SHARE_SHIFT 0 +#define LDOFF_CHG_SHARE_MASK (0x3 << LDOFF_CHG_SHARE_SHIFT) +#define LDOFF_CHG_SHARE_NEVER (0x1 << LDOFF_CHG_SHARE_SHIFT) +#define LDOFF_CHG_SHARE_OK_PROP (0x2 << LDOFF_CHG_SHARE_SHIFT) +#define LDOFF_CHG_SHARE_OK_NO_PROP (0x3 << LDOFF_CHG_SHARE_SHIFT) + +#define LDOFF_ENABLE_AUTO_NFIFO (1 << 2) +#define LDOFF_DISABLE_AUTO_NFIFO (1 << 3) + +#define LDOFF_CHG_NONSEQLIODN_SHIFT 4 +#define LDOFF_CHG_NONSEQLIODN_MASK (0x3 << LDOFF_CHG_NONSEQLIODN_SHIFT) +#define LDOFF_CHG_NONSEQLIODN_SEQ (0x1 << LDOFF_CHG_NONSEQLIODN_SHIFT) +#define LDOFF_CHG_NONSEQLIODN_NON_SEQ (0x2 << LDOFF_CHG_NONSEQLIODN_SHIFT) +#define LDOFF_CHG_NONSEQLIODN_TRUSTED (0x3 << LDOFF_CHG_NONSEQLIODN_SHIFT) + +#define LDOFF_CHG_SEQLIODN_SHIFT 6 +#define LDOFF_CHG_SEQLIODN_MASK (0x3 << LDOFF_CHG_SEQLIODN_SHIFT) +#define LDOFF_CHG_SEQLIODN_SEQ (0x1 << LDOFF_CHG_SEQLIODN_SHIFT) +#define LDOFF_CHG_SEQLIODN_NON_SEQ (0x2 << LDOFF_CHG_SEQLIODN_SHIFT) +#define LDOFF_CHG_SEQLIODN_TRUSTED (0x3 << LDOFF_CHG_SEQLIODN_SHIFT) + +/* Data length in bytes */ +#define LDST_LEN_SHIFT 0 +#define LDST_LEN_MASK (0xff << LDST_LEN_SHIFT) + +/* Special Length definitions when dst=deco-ctrl */ +#define LDLEN_ENABLE_OSL_COUNT (1 << 7) +#define LDLEN_RST_CHA_OFIFO_PTR (1 << 6) +#define LDLEN_RST_OFIFO (1 << 5) +#define LDLEN_SET_OFIFO_OFF_VALID (1 << 4) +#define LDLEN_SET_OFIFO_OFF_RSVD (1 << 3) +#define LDLEN_SET_OFIFO_OFFSET_SHIFT 0 +#define LDLEN_SET_OFIFO_OFFSET_MASK (3 << LDLEN_SET_OFIFO_OFFSET_SHIFT) + +/* + * FIFO_LOAD/FIFO_STORE/SEQ_FIFO_LOAD/SEQ_FIFO_STORE + * Command Constructs + */ + +/* + * Load Destination: 0 = skip (SEQ_FIFO_LOAD only), + * 1 = Load for Class1, 2 = Load for Class2, 3 = Load both + * Store Source: 0 = normal, 1 = Class1key, 2 = Class2key + */ +#define FIFOLD_CLASS_SHIFT 25 +#define FIFOLD_CLASS_MASK (0x03 << FIFOLD_CLASS_SHIFT) +#define FIFOLD_CLASS_SKIP (0x00 << FIFOLD_CLASS_SHIFT) +#define FIFOLD_CLASS_CLASS1 (0x01 << FIFOLD_CLASS_SHIFT) +#define FIFOLD_CLASS_CLASS2 (0x02 << FIFOLD_CLASS_SHIFT) +#define FIFOLD_CLASS_BOTH (0x03 << FIFOLD_CLASS_SHIFT) + +#define FIFOST_CLASS_SHIFT 25 +#define FIFOST_CLASS_MASK (0x03 << FIFOST_CLASS_SHIFT) +#define FIFOST_CLASS_NORMAL (0x00 << FIFOST_CLASS_SHIFT) +#define FIFOST_CLASS_CLASS1KEY (0x01 << FIFOST_CLASS_SHIFT) +#define FIFOST_CLASS_CLASS2KEY (0x02 << FIFOST_CLASS_SHIFT) + +/* + * Scatter-Gather Table/Variable Length Field + * If set for FIFO_LOAD, refers to a SG table. Within + * SEQ_FIFO_LOAD, is variable input sequence + */ +#define FIFOLDST_SGF_SHIFT 24 +#define FIFOLDST_SGF_MASK (1 << FIFOLDST_SGF_SHIFT) +#define FIFOLDST_VLF_MASK (1 << FIFOLDST_SGF_SHIFT) +#define FIFOLDST_SGF (1 << FIFOLDST_SGF_SHIFT) +#define FIFOLDST_VLF (1 << FIFOLDST_SGF_SHIFT) + +/* Immediate - Data follows command in descriptor */ +#define FIFOLD_IMM_SHIFT 23 +#define FIFOLD_IMM_MASK (1 << FIFOLD_IMM_SHIFT) +#define FIFOLD_IMM (1 << FIFOLD_IMM_SHIFT) + +/* Continue - Not the last FIFO store to come */ +#define FIFOST_CONT_SHIFT 23 +#define FIFOST_CONT_MASK (1 << FIFOST_CONT_SHIFT) + +/* + * Extended Length - use 32-bit extended length that + * follows the pointer field. Illegal with IMM set + */ +#define FIFOLDST_EXT_SHIFT 22 +#define FIFOLDST_EXT_MASK (1 << FIFOLDST_EXT_SHIFT) +#define FIFOLDST_EXT (1 << FIFOLDST_EXT_SHIFT) + +/* Input data type.*/ +#define FIFOLD_TYPE_SHIFT 16 +#define FIFOLD_CONT_TYPE_SHIFT 19 /* shift past last-flush bits */ +#define FIFOLD_TYPE_MASK (0x3f << FIFOLD_TYPE_SHIFT) + +/* PK types */ +#define FIFOLD_TYPE_PK (0x00 << FIFOLD_TYPE_SHIFT) +#define FIFOLD_TYPE_PK_MASK (0x30 << FIFOLD_TYPE_SHIFT) +#define FIFOLD_TYPE_PK_TYPEMASK (0x0f << FIFOLD_TYPE_SHIFT) +#define FIFOLD_TYPE_PK_A0 (0x00 << FIFOLD_TYPE_SHIFT) +#define FIFOLD_TYPE_PK_A1 (0x01 << FIFOLD_TYPE_SHIFT) +#define FIFOLD_TYPE_PK_A2 (0x02 << FIFOLD_TYPE_SHIFT) +#define FIFOLD_TYPE_PK_A3 (0x03 << FIFOLD_TYPE_SHIFT) +#define FIFOLD_TYPE_PK_B0 (0x04 << FIFOLD_TYPE_SHIFT) +#define FIFOLD_TYPE_PK_B1 (0x05 << FIFOLD_TYPE_SHIFT) +#define FIFOLD_TYPE_PK_B2 (0x06 << FIFOLD_TYPE_SHIFT) +#define FIFOLD_TYPE_PK_B3 (0x07 << FIFOLD_TYPE_SHIFT) +#define FIFOLD_TYPE_PK_N (0x08 << FIFOLD_TYPE_SHIFT) +#define FIFOLD_TYPE_PK_A (0x0c << FIFOLD_TYPE_SHIFT) +#define FIFOLD_TYPE_PK_B (0x0d << FIFOLD_TYPE_SHIFT) + +/* Other types. Need to OR in last/flush bits as desired */ +#define FIFOLD_TYPE_MSG_MASK (0x38 << FIFOLD_TYPE_SHIFT) +#define FIFOLD_TYPE_MSG (0x10 << FIFOLD_TYPE_SHIFT) +#define FIFOLD_TYPE_MSG1OUT2 (0x18 << FIFOLD_TYPE_SHIFT) +#define FIFOLD_TYPE_IV (0x20 << FIFOLD_TYPE_SHIFT) +#define FIFOLD_TYPE_BITDATA (0x28 << FIFOLD_TYPE_SHIFT) +#define FIFOLD_TYPE_AAD (0x30 << FIFOLD_TYPE_SHIFT) +#define FIFOLD_TYPE_ICV (0x38 << FIFOLD_TYPE_SHIFT) + +/* Last/Flush bits for use with "other" types above */ +#define FIFOLD_TYPE_ACT_MASK (0x07 << FIFOLD_TYPE_SHIFT) +#define FIFOLD_TYPE_NOACTION (0x00 << FIFOLD_TYPE_SHIFT) +#define FIFOLD_TYPE_FLUSH1 (0x01 << FIFOLD_TYPE_SHIFT) +#define FIFOLD_TYPE_LAST1 (0x02 << FIFOLD_TYPE_SHIFT) +#define FIFOLD_TYPE_LAST2FLUSH (0x03 << FIFOLD_TYPE_SHIFT) +#define FIFOLD_TYPE_LAST2 (0x04 << FIFOLD_TYPE_SHIFT) +#define FIFOLD_TYPE_LAST2FLUSH1 (0x05 << FIFOLD_TYPE_SHIFT) +#define FIFOLD_TYPE_LASTBOTH (0x06 << FIFOLD_TYPE_SHIFT) +#define FIFOLD_TYPE_LASTBOTHFL (0x07 << FIFOLD_TYPE_SHIFT) +#define FIFOLD_TYPE_NOINFOFIFO (0x0F << FIFOLD_TYPE_SHIFT) + +#define FIFOLDST_LEN_MASK 0xffff +#define FIFOLDST_EXT_LEN_MASK 0xffffffff + +/* Output data types */ +#define FIFOST_TYPE_SHIFT 16 +#define FIFOST_TYPE_MASK (0x3f << FIFOST_TYPE_SHIFT) + +#define FIFOST_TYPE_PKHA_A0 (0x00 << FIFOST_TYPE_SHIFT) +#define FIFOST_TYPE_PKHA_A1 (0x01 << FIFOST_TYPE_SHIFT) +#define FIFOST_TYPE_PKHA_A2 (0x02 << FIFOST_TYPE_SHIFT) +#define FIFOST_TYPE_PKHA_A3 (0x03 << FIFOST_TYPE_SHIFT) +#define FIFOST_TYPE_PKHA_B0 (0x04 << FIFOST_TYPE_SHIFT) +#define FIFOST_TYPE_PKHA_B1 (0x05 << FIFOST_TYPE_SHIFT) +#define FIFOST_TYPE_PKHA_B2 (0x06 << FIFOST_TYPE_SHIFT) +#define FIFOST_TYPE_PKHA_B3 (0x07 << FIFOST_TYPE_SHIFT) +#define FIFOST_TYPE_PKHA_N (0x08 << FIFOST_TYPE_SHIFT) +#define FIFOST_TYPE_PKHA_A (0x0c << FIFOST_TYPE_SHIFT) +#define FIFOST_TYPE_PKHA_B (0x0d << FIFOST_TYPE_SHIFT) +#define FIFOST_TYPE_AF_SBOX_JKEK (0x20 << FIFOST_TYPE_SHIFT) +#define FIFOST_TYPE_AF_SBOX_TKEK (0x21 << FIFOST_TYPE_SHIFT) +#define FIFOST_TYPE_PKHA_E_JKEK (0x22 << FIFOST_TYPE_SHIFT) +#define FIFOST_TYPE_PKHA_E_TKEK (0x23 << FIFOST_TYPE_SHIFT) +#define FIFOST_TYPE_KEY_KEK (0x24 << FIFOST_TYPE_SHIFT) +#define FIFOST_TYPE_KEY_TKEK (0x25 << FIFOST_TYPE_SHIFT) +#define FIFOST_TYPE_SPLIT_KEK (0x26 << FIFOST_TYPE_SHIFT) +#define FIFOST_TYPE_SPLIT_TKEK (0x27 << FIFOST_TYPE_SHIFT) +#define FIFOST_TYPE_OUTFIFO_KEK (0x28 << FIFOST_TYPE_SHIFT) +#define FIFOST_TYPE_OUTFIFO_TKEK (0x29 << FIFOST_TYPE_SHIFT) +#define FIFOST_TYPE_MESSAGE_DATA (0x30 << FIFOST_TYPE_SHIFT) +#define FIFOST_TYPE_RNGSTORE (0x34 << FIFOST_TYPE_SHIFT) +#define FIFOST_TYPE_RNGFIFO (0x35 << FIFOST_TYPE_SHIFT) +#define FIFOST_TYPE_SKIP (0x3f << FIFOST_TYPE_SHIFT) + +/* + * OPERATION Command Constructs + */ + +/* Operation type selectors - OP TYPE */ +#define OP_TYPE_SHIFT 24 +#define OP_TYPE_MASK (0x07 << OP_TYPE_SHIFT) + +#define OP_TYPE_UNI_PROTOCOL (0x00 << OP_TYPE_SHIFT) +#define OP_TYPE_PK (0x01 << OP_TYPE_SHIFT) +#define OP_TYPE_CLASS1_ALG (0x02 << OP_TYPE_SHIFT) +#define OP_TYPE_CLASS2_ALG (0x04 << OP_TYPE_SHIFT) +#define OP_TYPE_DECAP_PROTOCOL (0x06 << OP_TYPE_SHIFT) +#define OP_TYPE_ENCAP_PROTOCOL (0x07 << OP_TYPE_SHIFT) + +/* ProtocolID selectors - PROTID */ +#define OP_PCLID_SHIFT 16 +#define OP_PCLID_MASK (0xff << 16) + +/* Assuming OP_TYPE = OP_TYPE_UNI_PROTOCOL */ +#define OP_PCLID_IKEV1_PRF (0x01 << OP_PCLID_SHIFT) +#define OP_PCLID_IKEV2_PRF (0x02 << OP_PCLID_SHIFT) +#define OP_PCLID_SSL30_PRF (0x08 << OP_PCLID_SHIFT) +#define OP_PCLID_TLS10_PRF (0x09 << OP_PCLID_SHIFT) +#define OP_PCLID_TLS11_PRF (0x0a << OP_PCLID_SHIFT) +#define OP_PCLID_DTLS10_PRF (0x0c << OP_PCLID_SHIFT) +#define OP_PCLID_PRF (0x06 << OP_PCLID_SHIFT) +#define OP_PCLID_BLOB (0x0d << OP_PCLID_SHIFT) +#define OP_PCLID_SECRETKEY (0x11 << OP_PCLID_SHIFT) +#define OP_PCLID_PUBLICKEYPAIR (0x14 << OP_PCLID_SHIFT) +#define OP_PCLID_DSASIGN (0x15 << OP_PCLID_SHIFT) +#define OP_PCLID_DSAVERIFY (0x16 << OP_PCLID_SHIFT) +#define OP_PCLID_RSAENC_PUBKEY (0x18 << OP_PCLID_SHIFT) +#define OP_PCLID_RSADEC_PRVKEY (0x19 << OP_PCLID_SHIFT) +#define OP_PCLID_DKP_MD5 (0x20 << OP_PCLID_SHIFT) +#define OP_PCLID_DKP_SHA1 (0x21 << OP_PCLID_SHIFT) +#define OP_PCLID_DKP_SHA224 (0x22 << OP_PCLID_SHIFT) +#define OP_PCLID_DKP_SHA256 (0x23 << OP_PCLID_SHIFT) +#define OP_PCLID_DKP_SHA384 (0x24 << OP_PCLID_SHIFT) +#define OP_PCLID_DKP_SHA512 (0x25 << OP_PCLID_SHIFT) +#define OP_PCLID_DKP_RIF_MD5 (0x60 << OP_PCLID_SHIFT) +#define OP_PCLID_DKP_RIF_SHA1 (0x61 << OP_PCLID_SHIFT) +#define OP_PCLID_DKP_RIF_SHA224 (0x62 << OP_PCLID_SHIFT) +#define OP_PCLID_DKP_RIF_SHA256 (0x63 << OP_PCLID_SHIFT) +#define OP_PCLID_DKP_RIF_SHA384 (0x64 << OP_PCLID_SHIFT) +#define OP_PCLID_DKP_RIF_SHA512 (0x65 << OP_PCLID_SHIFT) + +/* Assuming OP_TYPE = OP_TYPE_DECAP_PROTOCOL/ENCAP_PROTOCOL */ +#define OP_PCLID_IPSEC (0x01 << OP_PCLID_SHIFT) +#define OP_PCLID_SRTP (0x02 << OP_PCLID_SHIFT) +#define OP_PCLID_MACSEC (0x03 << OP_PCLID_SHIFT) +#define OP_PCLID_WIFI (0x04 << OP_PCLID_SHIFT) +#define OP_PCLID_WIMAX (0x05 << OP_PCLID_SHIFT) +#define OP_PCLID_SSL30 (0x08 << OP_PCLID_SHIFT) +#define OP_PCLID_TLS10 (0x09 << OP_PCLID_SHIFT) +#define OP_PCLID_TLS11 (0x0a << OP_PCLID_SHIFT) +#define OP_PCLID_TLS12 (0x0b << OP_PCLID_SHIFT) +#define OP_PCLID_DTLS (0x0c << OP_PCLID_SHIFT) + +/* + * ProtocolInfo selectors + */ +#define OP_PCLINFO_MASK 0xffff + +/* for OP_PCLID_IPSEC */ +#define OP_PCL_IPSEC_CIPHER_MASK 0xff00 +#define OP_PCL_IPSEC_AUTH_MASK 0x00ff + +#define OP_PCL_IPSEC_DES_IV64 0x0100 +#define OP_PCL_IPSEC_DES 0x0200 +#define OP_PCL_IPSEC_3DES 0x0300 +#define OP_PCL_IPSEC_AES_CBC 0x0c00 +#define OP_PCL_IPSEC_AES_CTR 0x0d00 +#define OP_PCL_IPSEC_AES_XTS 0x1600 +#define OP_PCL_IPSEC_AES_CCM8 0x0e00 +#define OP_PCL_IPSEC_AES_CCM12 0x0f00 +#define OP_PCL_IPSEC_AES_CCM16 0x1000 +#define OP_PCL_IPSEC_AES_GCM8 0x1200 +#define OP_PCL_IPSEC_AES_GCM12 0x1300 +#define OP_PCL_IPSEC_AES_GCM16 0x1400 + +#define OP_PCL_IPSEC_HMAC_NULL 0x0000 +#define OP_PCL_IPSEC_HMAC_MD5_96 0x0001 +#define OP_PCL_IPSEC_HMAC_SHA1_96 0x0002 +#define OP_PCL_IPSEC_AES_XCBC_MAC_96 0x0005 +#define OP_PCL_IPSEC_HMAC_MD5_128 0x0006 +#define OP_PCL_IPSEC_HMAC_SHA1_160 0x0007 +#define OP_PCL_IPSEC_HMAC_SHA2_256_128 0x000c +#define OP_PCL_IPSEC_HMAC_SHA2_384_192 0x000d +#define OP_PCL_IPSEC_HMAC_SHA2_512_256 0x000e + +/* For SRTP - OP_PCLID_SRTP */ +#define OP_PCL_SRTP_CIPHER_MASK 0xff00 +#define OP_PCL_SRTP_AUTH_MASK 0x00ff + +#define OP_PCL_SRTP_AES_CTR 0x0d00 + +#define OP_PCL_SRTP_HMAC_SHA1_160 0x0007 + +/* For SSL 3.0 - OP_PCLID_SSL30 */ +#define OP_PCL_SSL30_AES_128_CBC_SHA 0x002f +#define OP_PCL_SSL30_AES_128_CBC_SHA_2 0x0030 +#define OP_PCL_SSL30_AES_128_CBC_SHA_3 0x0031 +#define OP_PCL_SSL30_AES_128_CBC_SHA_4 0x0032 +#define OP_PCL_SSL30_AES_128_CBC_SHA_5 0x0033 +#define OP_PCL_SSL30_AES_128_CBC_SHA_6 0x0034 +#define OP_PCL_SSL30_AES_128_CBC_SHA_7 0x008c +#define OP_PCL_SSL30_AES_128_CBC_SHA_8 0x0090 +#define OP_PCL_SSL30_AES_128_CBC_SHA_9 0x0094 +#define OP_PCL_SSL30_AES_128_CBC_SHA_10 0xc004 +#define OP_PCL_SSL30_AES_128_CBC_SHA_11 0xc009 +#define OP_PCL_SSL30_AES_128_CBC_SHA_12 0xc00e +#define OP_PCL_SSL30_AES_128_CBC_SHA_13 0xc013 +#define OP_PCL_SSL30_AES_128_CBC_SHA_14 0xc018 +#define OP_PCL_SSL30_AES_128_CBC_SHA_15 0xc01d +#define OP_PCL_SSL30_AES_128_CBC_SHA_16 0xc01e +#define OP_PCL_SSL30_AES_128_CBC_SHA_17 0xc01f + +#define OP_PCL_SSL30_AES_256_CBC_SHA 0x0035 +#define OP_PCL_SSL30_AES_256_CBC_SHA_2 0x0036 +#define OP_PCL_SSL30_AES_256_CBC_SHA_3 0x0037 +#define OP_PCL_SSL30_AES_256_CBC_SHA_4 0x0038 +#define OP_PCL_SSL30_AES_256_CBC_SHA_5 0x0039 +#define OP_PCL_SSL30_AES_256_CBC_SHA_6 0x003a +#define OP_PCL_SSL30_AES_256_CBC_SHA_7 0x008d +#define OP_PCL_SSL30_AES_256_CBC_SHA_8 0x0091 +#define OP_PCL_SSL30_AES_256_CBC_SHA_9 0x0095 +#define OP_PCL_SSL30_AES_256_CBC_SHA_10 0xc005 +#define OP_PCL_SSL30_AES_256_CBC_SHA_11 0xc00a +#define OP_PCL_SSL30_AES_256_CBC_SHA_12 0xc00f +#define OP_PCL_SSL30_AES_256_CBC_SHA_13 0xc014 +#define OP_PCL_SSL30_AES_256_CBC_SHA_14 0xc019 +#define OP_PCL_SSL30_AES_256_CBC_SHA_15 0xc020 +#define OP_PCL_SSL30_AES_256_CBC_SHA_16 0xc021 +#define OP_PCL_SSL30_AES_256_CBC_SHA_17 0xc022 + +#define OP_PCL_SSL30_3DES_EDE_CBC_MD5 0x0023 + +#define OP_PCL_SSL30_3DES_EDE_CBC_SHA 0x001f +#define OP_PCL_SSL30_3DES_EDE_CBC_SHA_2 0x008b +#define OP_PCL_SSL30_3DES_EDE_CBC_SHA_3 0x008f +#define OP_PCL_SSL30_3DES_EDE_CBC_SHA_4 0x0093 +#define OP_PCL_SSL30_3DES_EDE_CBC_SHA_5 0x000a +#define OP_PCL_SSL30_3DES_EDE_CBC_SHA_6 0x000d +#define OP_PCL_SSL30_3DES_EDE_CBC_SHA_7 0x0010 +#define OP_PCL_SSL30_3DES_EDE_CBC_SHA_8 0x0013 +#define OP_PCL_SSL30_3DES_EDE_CBC_SHA_9 0x0016 +#define OP_PCL_SSL30_3DES_EDE_CBC_SHA_10 0x001b +#define OP_PCL_SSL30_3DES_EDE_CBC_SHA_11 0xc003 +#define OP_PCL_SSL30_3DES_EDE_CBC_SHA_12 0xc008 +#define OP_PCL_SSL30_3DES_EDE_CBC_SHA_13 0xc00d +#define OP_PCL_SSL30_3DES_EDE_CBC_SHA_14 0xc012 +#define OP_PCL_SSL30_3DES_EDE_CBC_SHA_15 0xc017 +#define OP_PCL_SSL30_3DES_EDE_CBC_SHA_16 0xc01a +#define OP_PCL_SSL30_3DES_EDE_CBC_SHA_17 0xc01b +#define OP_PCL_SSL30_3DES_EDE_CBC_SHA_18 0xc01c + +#define OP_PCL_SSL30_DES40_CBC_MD5 0x0029 + +#define OP_PCL_SSL30_DES_CBC_MD5 0x0022 + +#define OP_PCL_SSL30_DES40_CBC_SHA 0x0008 +#define OP_PCL_SSL30_DES40_CBC_SHA_2 0x000b +#define OP_PCL_SSL30_DES40_CBC_SHA_3 0x000e +#define OP_PCL_SSL30_DES40_CBC_SHA_4 0x0011 +#define OP_PCL_SSL30_DES40_CBC_SHA_5 0x0014 +#define OP_PCL_SSL30_DES40_CBC_SHA_6 0x0019 +#define OP_PCL_SSL30_DES40_CBC_SHA_7 0x0026 + +#define OP_PCL_SSL30_DES_CBC_SHA 0x001e +#define OP_PCL_SSL30_DES_CBC_SHA_2 0x0009 +#define OP_PCL_SSL30_DES_CBC_SHA_3 0x000c +#define OP_PCL_SSL30_DES_CBC_SHA_4 0x000f +#define OP_PCL_SSL30_DES_CBC_SHA_5 0x0012 +#define OP_PCL_SSL30_DES_CBC_SHA_6 0x0015 +#define OP_PCL_SSL30_DES_CBC_SHA_7 0x001a + +#define OP_PCL_SSL30_RC4_128_MD5 0x0024 +#define OP_PCL_SSL30_RC4_128_MD5_2 0x0004 +#define OP_PCL_SSL30_RC4_128_MD5_3 0x0018 + +#define OP_PCL_SSL30_RC4_40_MD5 0x002b +#define OP_PCL_SSL30_RC4_40_MD5_2 0x0003 +#define OP_PCL_SSL30_RC4_40_MD5_3 0x0017 + +#define OP_PCL_SSL30_RC4_128_SHA 0x0020 +#define OP_PCL_SSL30_RC4_128_SHA_2 0x008a +#define OP_PCL_SSL30_RC4_128_SHA_3 0x008e +#define OP_PCL_SSL30_RC4_128_SHA_4 0x0092 +#define OP_PCL_SSL30_RC4_128_SHA_5 0x0005 +#define OP_PCL_SSL30_RC4_128_SHA_6 0xc002 +#define OP_PCL_SSL30_RC4_128_SHA_7 0xc007 +#define OP_PCL_SSL30_RC4_128_SHA_8 0xc00c +#define OP_PCL_SSL30_RC4_128_SHA_9 0xc011 +#define OP_PCL_SSL30_RC4_128_SHA_10 0xc016 + +#define OP_PCL_SSL30_RC4_40_SHA 0x0028 + + +/* For TLS 1.0 - OP_PCLID_TLS10 */ +#define OP_PCL_TLS10_AES_128_CBC_SHA 0x002f +#define OP_PCL_TLS10_AES_128_CBC_SHA_2 0x0030 +#define OP_PCL_TLS10_AES_128_CBC_SHA_3 0x0031 +#define OP_PCL_TLS10_AES_128_CBC_SHA_4 0x0032 +#define OP_PCL_TLS10_AES_128_CBC_SHA_5 0x0033 +#define OP_PCL_TLS10_AES_128_CBC_SHA_6 0x0034 +#define OP_PCL_TLS10_AES_128_CBC_SHA_7 0x008c +#define OP_PCL_TLS10_AES_128_CBC_SHA_8 0x0090 +#define OP_PCL_TLS10_AES_128_CBC_SHA_9 0x0094 +#define OP_PCL_TLS10_AES_128_CBC_SHA_10 0xc004 +#define OP_PCL_TLS10_AES_128_CBC_SHA_11 0xc009 +#define OP_PCL_TLS10_AES_128_CBC_SHA_12 0xc00e +#define OP_PCL_TLS10_AES_128_CBC_SHA_13 0xc013 +#define OP_PCL_TLS10_AES_128_CBC_SHA_14 0xc018 +#define OP_PCL_TLS10_AES_128_CBC_SHA_15 0xc01d +#define OP_PCL_TLS10_AES_128_CBC_SHA_16 0xc01e +#define OP_PCL_TLS10_AES_128_CBC_SHA_17 0xc01f + +#define OP_PCL_TLS10_AES_256_CBC_SHA 0x0035 +#define OP_PCL_TLS10_AES_256_CBC_SHA_2 0x0036 +#define OP_PCL_TLS10_AES_256_CBC_SHA_3 0x0037 +#define OP_PCL_TLS10_AES_256_CBC_SHA_4 0x0038 +#define OP_PCL_TLS10_AES_256_CBC_SHA_5 0x0039 +#define OP_PCL_TLS10_AES_256_CBC_SHA_6 0x003a +#define OP_PCL_TLS10_AES_256_CBC_SHA_7 0x008d +#define OP_PCL_TLS10_AES_256_CBC_SHA_8 0x0091 +#define OP_PCL_TLS10_AES_256_CBC_SHA_9 0x0095 +#define OP_PCL_TLS10_AES_256_CBC_SHA_10 0xc005 +#define OP_PCL_TLS10_AES_256_CBC_SHA_11 0xc00a +#define OP_PCL_TLS10_AES_256_CBC_SHA_12 0xc00f +#define OP_PCL_TLS10_AES_256_CBC_SHA_13 0xc014 +#define OP_PCL_TLS10_AES_256_CBC_SHA_14 0xc019 +#define OP_PCL_TLS10_AES_256_CBC_SHA_15 0xc020 +#define OP_PCL_TLS10_AES_256_CBC_SHA_16 0xc021 +#define OP_PCL_TLS10_AES_256_CBC_SHA_17 0xc022 + +/* #define OP_PCL_TLS10_3DES_EDE_CBC_MD5 0x0023 */ + +#define OP_PCL_TLS10_3DES_EDE_CBC_SHA 0x001f +#define OP_PCL_TLS10_3DES_EDE_CBC_SHA_2 0x008b +#define OP_PCL_TLS10_3DES_EDE_CBC_SHA_3 0x008f +#define OP_PCL_TLS10_3DES_EDE_CBC_SHA_4 0x0093 +#define OP_PCL_TLS10_3DES_EDE_CBC_SHA_5 0x000a +#define OP_PCL_TLS10_3DES_EDE_CBC_SHA_6 0x000d +#define OP_PCL_TLS10_3DES_EDE_CBC_SHA_7 0x0010 +#define OP_PCL_TLS10_3DES_EDE_CBC_SHA_8 0x0013 +#define OP_PCL_TLS10_3DES_EDE_CBC_SHA_9 0x0016 +#define OP_PCL_TLS10_3DES_EDE_CBC_SHA_10 0x001b +#define OP_PCL_TLS10_3DES_EDE_CBC_SHA_11 0xc003 +#define OP_PCL_TLS10_3DES_EDE_CBC_SHA_12 0xc008 +#define OP_PCL_TLS10_3DES_EDE_CBC_SHA_13 0xc00d +#define OP_PCL_TLS10_3DES_EDE_CBC_SHA_14 0xc012 +#define OP_PCL_TLS10_3DES_EDE_CBC_SHA_15 0xc017 +#define OP_PCL_TLS10_3DES_EDE_CBC_SHA_16 0xc01a +#define OP_PCL_TLS10_3DES_EDE_CBC_SHA_17 0xc01b +#define OP_PCL_TLS10_3DES_EDE_CBC_SHA_18 0xc01c + +#define OP_PCL_TLS10_DES40_CBC_MD5 0x0029 + +#define OP_PCL_TLS10_DES_CBC_MD5 0x0022 + +#define OP_PCL_TLS10_DES40_CBC_SHA 0x0008 +#define OP_PCL_TLS10_DES40_CBC_SHA_2 0x000b +#define OP_PCL_TLS10_DES40_CBC_SHA_3 0x000e +#define OP_PCL_TLS10_DES40_CBC_SHA_4 0x0011 +#define OP_PCL_TLS10_DES40_CBC_SHA_5 0x0014 +#define OP_PCL_TLS10_DES40_CBC_SHA_6 0x0019 +#define OP_PCL_TLS10_DES40_CBC_SHA_7 0x0026 + + +#define OP_PCL_TLS10_DES_CBC_SHA 0x001e +#define OP_PCL_TLS10_DES_CBC_SHA_2 0x0009 +#define OP_PCL_TLS10_DES_CBC_SHA_3 0x000c +#define OP_PCL_TLS10_DES_CBC_SHA_4 0x000f +#define OP_PCL_TLS10_DES_CBC_SHA_5 0x0012 +#define OP_PCL_TLS10_DES_CBC_SHA_6 0x0015 +#define OP_PCL_TLS10_DES_CBC_SHA_7 0x001a + +#define OP_PCL_TLS10_RC4_128_MD5 0x0024 +#define OP_PCL_TLS10_RC4_128_MD5_2 0x0004 +#define OP_PCL_TLS10_RC4_128_MD5_3 0x0018 + +#define OP_PCL_TLS10_RC4_40_MD5 0x002b +#define OP_PCL_TLS10_RC4_40_MD5_2 0x0003 +#define OP_PCL_TLS10_RC4_40_MD5_3 0x0017 + +#define OP_PCL_TLS10_RC4_128_SHA 0x0020 +#define OP_PCL_TLS10_RC4_128_SHA_2 0x008a +#define OP_PCL_TLS10_RC4_128_SHA_3 0x008e +#define OP_PCL_TLS10_RC4_128_SHA_4 0x0092 +#define OP_PCL_TLS10_RC4_128_SHA_5 0x0005 +#define OP_PCL_TLS10_RC4_128_SHA_6 0xc002 +#define OP_PCL_TLS10_RC4_128_SHA_7 0xc007 +#define OP_PCL_TLS10_RC4_128_SHA_8 0xc00c +#define OP_PCL_TLS10_RC4_128_SHA_9 0xc011 +#define OP_PCL_TLS10_RC4_128_SHA_10 0xc016 + +#define OP_PCL_TLS10_RC4_40_SHA 0x0028 + +#define OP_PCL_TLS10_3DES_EDE_CBC_MD5 0xff23 +#define OP_PCL_TLS10_3DES_EDE_CBC_SHA160 0xff30 +#define OP_PCL_TLS10_3DES_EDE_CBC_SHA224 0xff34 +#define OP_PCL_TLS10_3DES_EDE_CBC_SHA256 0xff36 +#define OP_PCL_TLS10_3DES_EDE_CBC_SHA384 0xff33 +#define OP_PCL_TLS10_3DES_EDE_CBC_SHA512 0xff35 +#define OP_PCL_TLS10_AES_128_CBC_SHA160 0xff80 +#define OP_PCL_TLS10_AES_128_CBC_SHA224 0xff84 +#define OP_PCL_TLS10_AES_128_CBC_SHA256 0xff86 +#define OP_PCL_TLS10_AES_128_CBC_SHA384 0xff83 +#define OP_PCL_TLS10_AES_128_CBC_SHA512 0xff85 +#define OP_PCL_TLS10_AES_192_CBC_SHA160 0xff20 +#define OP_PCL_TLS10_AES_192_CBC_SHA224 0xff24 +#define OP_PCL_TLS10_AES_192_CBC_SHA256 0xff26 +#define OP_PCL_TLS10_AES_192_CBC_SHA384 0xff23 +#define OP_PCL_TLS10_AES_192_CBC_SHA512 0xff25 +#define OP_PCL_TLS10_AES_256_CBC_SHA160 0xff60 +#define OP_PCL_TLS10_AES_256_CBC_SHA224 0xff64 +#define OP_PCL_TLS10_AES_256_CBC_SHA256 0xff66 +#define OP_PCL_TLS10_AES_256_CBC_SHA384 0xff63 +#define OP_PCL_TLS10_AES_256_CBC_SHA512 0xff65 + + + +/* For TLS 1.1 - OP_PCLID_TLS11 */ +#define OP_PCL_TLS11_AES_128_CBC_SHA 0x002f +#define OP_PCL_TLS11_AES_128_CBC_SHA_2 0x0030 +#define OP_PCL_TLS11_AES_128_CBC_SHA_3 0x0031 +#define OP_PCL_TLS11_AES_128_CBC_SHA_4 0x0032 +#define OP_PCL_TLS11_AES_128_CBC_SHA_5 0x0033 +#define OP_PCL_TLS11_AES_128_CBC_SHA_6 0x0034 +#define OP_PCL_TLS11_AES_128_CBC_SHA_7 0x008c +#define OP_PCL_TLS11_AES_128_CBC_SHA_8 0x0090 +#define OP_PCL_TLS11_AES_128_CBC_SHA_9 0x0094 +#define OP_PCL_TLS11_AES_128_CBC_SHA_10 0xc004 +#define OP_PCL_TLS11_AES_128_CBC_SHA_11 0xc009 +#define OP_PCL_TLS11_AES_128_CBC_SHA_12 0xc00e +#define OP_PCL_TLS11_AES_128_CBC_SHA_13 0xc013 +#define OP_PCL_TLS11_AES_128_CBC_SHA_14 0xc018 +#define OP_PCL_TLS11_AES_128_CBC_SHA_15 0xc01d +#define OP_PCL_TLS11_AES_128_CBC_SHA_16 0xc01e +#define OP_PCL_TLS11_AES_128_CBC_SHA_17 0xc01f + +#define OP_PCL_TLS11_AES_256_CBC_SHA 0x0035 +#define OP_PCL_TLS11_AES_256_CBC_SHA_2 0x0036 +#define OP_PCL_TLS11_AES_256_CBC_SHA_3 0x0037 +#define OP_PCL_TLS11_AES_256_CBC_SHA_4 0x0038 +#define OP_PCL_TLS11_AES_256_CBC_SHA_5 0x0039 +#define OP_PCL_TLS11_AES_256_CBC_SHA_6 0x003a +#define OP_PCL_TLS11_AES_256_CBC_SHA_7 0x008d +#define OP_PCL_TLS11_AES_256_CBC_SHA_8 0x0091 +#define OP_PCL_TLS11_AES_256_CBC_SHA_9 0x0095 +#define OP_PCL_TLS11_AES_256_CBC_SHA_10 0xc005 +#define OP_PCL_TLS11_AES_256_CBC_SHA_11 0xc00a +#define OP_PCL_TLS11_AES_256_CBC_SHA_12 0xc00f +#define OP_PCL_TLS11_AES_256_CBC_SHA_13 0xc014 +#define OP_PCL_TLS11_AES_256_CBC_SHA_14 0xc019 +#define OP_PCL_TLS11_AES_256_CBC_SHA_15 0xc020 +#define OP_PCL_TLS11_AES_256_CBC_SHA_16 0xc021 +#define OP_PCL_TLS11_AES_256_CBC_SHA_17 0xc022 + +/* #define OP_PCL_TLS11_3DES_EDE_CBC_MD5 0x0023 */ + +#define OP_PCL_TLS11_3DES_EDE_CBC_SHA 0x001f +#define OP_PCL_TLS11_3DES_EDE_CBC_SHA_2 0x008b +#define OP_PCL_TLS11_3DES_EDE_CBC_SHA_3 0x008f +#define OP_PCL_TLS11_3DES_EDE_CBC_SHA_4 0x0093 +#define OP_PCL_TLS11_3DES_EDE_CBC_SHA_5 0x000a +#define OP_PCL_TLS11_3DES_EDE_CBC_SHA_6 0x000d +#define OP_PCL_TLS11_3DES_EDE_CBC_SHA_7 0x0010 +#define OP_PCL_TLS11_3DES_EDE_CBC_SHA_8 0x0013 +#define OP_PCL_TLS11_3DES_EDE_CBC_SHA_9 0x0016 +#define OP_PCL_TLS11_3DES_EDE_CBC_SHA_10 0x001b +#define OP_PCL_TLS11_3DES_EDE_CBC_SHA_11 0xc003 +#define OP_PCL_TLS11_3DES_EDE_CBC_SHA_12 0xc008 +#define OP_PCL_TLS11_3DES_EDE_CBC_SHA_13 0xc00d +#define OP_PCL_TLS11_3DES_EDE_CBC_SHA_14 0xc012 +#define OP_PCL_TLS11_3DES_EDE_CBC_SHA_15 0xc017 +#define OP_PCL_TLS11_3DES_EDE_CBC_SHA_16 0xc01a +#define OP_PCL_TLS11_3DES_EDE_CBC_SHA_17 0xc01b +#define OP_PCL_TLS11_3DES_EDE_CBC_SHA_18 0xc01c + +#define OP_PCL_TLS11_DES40_CBC_MD5 0x0029 + +#define OP_PCL_TLS11_DES_CBC_MD5 0x0022 + +#define OP_PCL_TLS11_DES40_CBC_SHA 0x0008 +#define OP_PCL_TLS11_DES40_CBC_SHA_2 0x000b +#define OP_PCL_TLS11_DES40_CBC_SHA_3 0x000e +#define OP_PCL_TLS11_DES40_CBC_SHA_4 0x0011 +#define OP_PCL_TLS11_DES40_CBC_SHA_5 0x0014 +#define OP_PCL_TLS11_DES40_CBC_SHA_6 0x0019 +#define OP_PCL_TLS11_DES40_CBC_SHA_7 0x0026 + +#define OP_PCL_TLS11_DES_CBC_SHA 0x001e +#define OP_PCL_TLS11_DES_CBC_SHA_2 0x0009 +#define OP_PCL_TLS11_DES_CBC_SHA_3 0x000c +#define OP_PCL_TLS11_DES_CBC_SHA_4 0x000f +#define OP_PCL_TLS11_DES_CBC_SHA_5 0x0012 +#define OP_PCL_TLS11_DES_CBC_SHA_6 0x0015 +#define OP_PCL_TLS11_DES_CBC_SHA_7 0x001a + +#define OP_PCL_TLS11_RC4_128_MD5 0x0024 +#define OP_PCL_TLS11_RC4_128_MD5_2 0x0004 +#define OP_PCL_TLS11_RC4_128_MD5_3 0x0018 + +#define OP_PCL_TLS11_RC4_40_MD5 0x002b +#define OP_PCL_TLS11_RC4_40_MD5_2 0x0003 +#define OP_PCL_TLS11_RC4_40_MD5_3 0x0017 + +#define OP_PCL_TLS11_RC4_128_SHA 0x0020 +#define OP_PCL_TLS11_RC4_128_SHA_2 0x008a +#define OP_PCL_TLS11_RC4_128_SHA_3 0x008e +#define OP_PCL_TLS11_RC4_128_SHA_4 0x0092 +#define OP_PCL_TLS11_RC4_128_SHA_5 0x0005 +#define OP_PCL_TLS11_RC4_128_SHA_6 0xc002 +#define OP_PCL_TLS11_RC4_128_SHA_7 0xc007 +#define OP_PCL_TLS11_RC4_128_SHA_8 0xc00c +#define OP_PCL_TLS11_RC4_128_SHA_9 0xc011 +#define OP_PCL_TLS11_RC4_128_SHA_10 0xc016 + +#define OP_PCL_TLS11_RC4_40_SHA 0x0028 + +#define OP_PCL_TLS11_3DES_EDE_CBC_MD5 0xff23 +#define OP_PCL_TLS11_3DES_EDE_CBC_SHA160 0xff30 +#define OP_PCL_TLS11_3DES_EDE_CBC_SHA224 0xff34 +#define OP_PCL_TLS11_3DES_EDE_CBC_SHA256 0xff36 +#define OP_PCL_TLS11_3DES_EDE_CBC_SHA384 0xff33 +#define OP_PCL_TLS11_3DES_EDE_CBC_SHA512 0xff35 +#define OP_PCL_TLS11_AES_128_CBC_SHA160 0xff80 +#define OP_PCL_TLS11_AES_128_CBC_SHA224 0xff84 +#define OP_PCL_TLS11_AES_128_CBC_SHA256 0xff86 +#define OP_PCL_TLS11_AES_128_CBC_SHA384 0xff83 +#define OP_PCL_TLS11_AES_128_CBC_SHA512 0xff85 +#define OP_PCL_TLS11_AES_192_CBC_SHA160 0xff20 +#define OP_PCL_TLS11_AES_192_CBC_SHA224 0xff24 +#define OP_PCL_TLS11_AES_192_CBC_SHA256 0xff26 +#define OP_PCL_TLS11_AES_192_CBC_SHA384 0xff23 +#define OP_PCL_TLS11_AES_192_CBC_SHA512 0xff25 +#define OP_PCL_TLS11_AES_256_CBC_SHA160 0xff60 +#define OP_PCL_TLS11_AES_256_CBC_SHA224 0xff64 +#define OP_PCL_TLS11_AES_256_CBC_SHA256 0xff66 +#define OP_PCL_TLS11_AES_256_CBC_SHA384 0xff63 +#define OP_PCL_TLS11_AES_256_CBC_SHA512 0xff65 + + +/* For TLS 1.2 - OP_PCLID_TLS12 */ +#define OP_PCL_TLS12_AES_128_CBC_SHA 0x002f +#define OP_PCL_TLS12_AES_128_CBC_SHA_2 0x0030 +#define OP_PCL_TLS12_AES_128_CBC_SHA_3 0x0031 +#define OP_PCL_TLS12_AES_128_CBC_SHA_4 0x0032 +#define OP_PCL_TLS12_AES_128_CBC_SHA_5 0x0033 +#define OP_PCL_TLS12_AES_128_CBC_SHA_6 0x0034 +#define OP_PCL_TLS12_AES_128_CBC_SHA_7 0x008c +#define OP_PCL_TLS12_AES_128_CBC_SHA_8 0x0090 +#define OP_PCL_TLS12_AES_128_CBC_SHA_9 0x0094 +#define OP_PCL_TLS12_AES_128_CBC_SHA_10 0xc004 +#define OP_PCL_TLS12_AES_128_CBC_SHA_11 0xc009 +#define OP_PCL_TLS12_AES_128_CBC_SHA_12 0xc00e +#define OP_PCL_TLS12_AES_128_CBC_SHA_13 0xc013 +#define OP_PCL_TLS12_AES_128_CBC_SHA_14 0xc018 +#define OP_PCL_TLS12_AES_128_CBC_SHA_15 0xc01d +#define OP_PCL_TLS12_AES_128_CBC_SHA_16 0xc01e +#define OP_PCL_TLS12_AES_128_CBC_SHA_17 0xc01f + +#define OP_PCL_TLS12_AES_256_CBC_SHA 0x0035 +#define OP_PCL_TLS12_AES_256_CBC_SHA_2 0x0036 +#define OP_PCL_TLS12_AES_256_CBC_SHA_3 0x0037 +#define OP_PCL_TLS12_AES_256_CBC_SHA_4 0x0038 +#define OP_PCL_TLS12_AES_256_CBC_SHA_5 0x0039 +#define OP_PCL_TLS12_AES_256_CBC_SHA_6 0x003a +#define OP_PCL_TLS12_AES_256_CBC_SHA_7 0x008d +#define OP_PCL_TLS12_AES_256_CBC_SHA_8 0x0091 +#define OP_PCL_TLS12_AES_256_CBC_SHA_9 0x0095 +#define OP_PCL_TLS12_AES_256_CBC_SHA_10 0xc005 +#define OP_PCL_TLS12_AES_256_CBC_SHA_11 0xc00a +#define OP_PCL_TLS12_AES_256_CBC_SHA_12 0xc00f +#define OP_PCL_TLS12_AES_256_CBC_SHA_13 0xc014 +#define OP_PCL_TLS12_AES_256_CBC_SHA_14 0xc019 +#define OP_PCL_TLS12_AES_256_CBC_SHA_15 0xc020 +#define OP_PCL_TLS12_AES_256_CBC_SHA_16 0xc021 +#define OP_PCL_TLS12_AES_256_CBC_SHA_17 0xc022 + +/* #define OP_PCL_TLS12_3DES_EDE_CBC_MD5 0x0023 */ + +#define OP_PCL_TLS12_3DES_EDE_CBC_SHA 0x001f +#define OP_PCL_TLS12_3DES_EDE_CBC_SHA_2 0x008b +#define OP_PCL_TLS12_3DES_EDE_CBC_SHA_3 0x008f +#define OP_PCL_TLS12_3DES_EDE_CBC_SHA_4 0x0093 +#define OP_PCL_TLS12_3DES_EDE_CBC_SHA_5 0x000a +#define OP_PCL_TLS12_3DES_EDE_CBC_SHA_6 0x000d +#define OP_PCL_TLS12_3DES_EDE_CBC_SHA_7 0x0010 +#define OP_PCL_TLS12_3DES_EDE_CBC_SHA_8 0x0013 +#define OP_PCL_TLS12_3DES_EDE_CBC_SHA_9 0x0016 +#define OP_PCL_TLS12_3DES_EDE_CBC_SHA_10 0x001b +#define OP_PCL_TLS12_3DES_EDE_CBC_SHA_11 0xc003 +#define OP_PCL_TLS12_3DES_EDE_CBC_SHA_12 0xc008 +#define OP_PCL_TLS12_3DES_EDE_CBC_SHA_13 0xc00d +#define OP_PCL_TLS12_3DES_EDE_CBC_SHA_14 0xc012 +#define OP_PCL_TLS12_3DES_EDE_CBC_SHA_15 0xc017 +#define OP_PCL_TLS12_3DES_EDE_CBC_SHA_16 0xc01a +#define OP_PCL_TLS12_3DES_EDE_CBC_SHA_17 0xc01b +#define OP_PCL_TLS12_3DES_EDE_CBC_SHA_18 0xc01c + +#define OP_PCL_TLS12_DES40_CBC_MD5 0x0029 + +#define OP_PCL_TLS12_DES_CBC_MD5 0x0022 + +#define OP_PCL_TLS12_DES40_CBC_SHA 0x0008 +#define OP_PCL_TLS12_DES40_CBC_SHA_2 0x000b +#define OP_PCL_TLS12_DES40_CBC_SHA_3 0x000e +#define OP_PCL_TLS12_DES40_CBC_SHA_4 0x0011 +#define OP_PCL_TLS12_DES40_CBC_SHA_5 0x0014 +#define OP_PCL_TLS12_DES40_CBC_SHA_6 0x0019 +#define OP_PCL_TLS12_DES40_CBC_SHA_7 0x0026 + +#define OP_PCL_TLS12_DES_CBC_SHA 0x001e +#define OP_PCL_TLS12_DES_CBC_SHA_2 0x0009 +#define OP_PCL_TLS12_DES_CBC_SHA_3 0x000c +#define OP_PCL_TLS12_DES_CBC_SHA_4 0x000f +#define OP_PCL_TLS12_DES_CBC_SHA_5 0x0012 +#define OP_PCL_TLS12_DES_CBC_SHA_6 0x0015 +#define OP_PCL_TLS12_DES_CBC_SHA_7 0x001a + +#define OP_PCL_TLS12_RC4_128_MD5 0x0024 +#define OP_PCL_TLS12_RC4_128_MD5_2 0x0004 +#define OP_PCL_TLS12_RC4_128_MD5_3 0x0018 + +#define OP_PCL_TLS12_RC4_40_MD5 0x002b +#define OP_PCL_TLS12_RC4_40_MD5_2 0x0003 +#define OP_PCL_TLS12_RC4_40_MD5_3 0x0017 + +#define OP_PCL_TLS12_RC4_128_SHA 0x0020 +#define OP_PCL_TLS12_RC4_128_SHA_2 0x008a +#define OP_PCL_TLS12_RC4_128_SHA_3 0x008e +#define OP_PCL_TLS12_RC4_128_SHA_4 0x0092 +#define OP_PCL_TLS12_RC4_128_SHA_5 0x0005 +#define OP_PCL_TLS12_RC4_128_SHA_6 0xc002 +#define OP_PCL_TLS12_RC4_128_SHA_7 0xc007 +#define OP_PCL_TLS12_RC4_128_SHA_8 0xc00c +#define OP_PCL_TLS12_RC4_128_SHA_9 0xc011 +#define OP_PCL_TLS12_RC4_128_SHA_10 0xc016 + +#define OP_PCL_TLS12_RC4_40_SHA 0x0028 + +/* #define OP_PCL_TLS12_AES_128_CBC_SHA256 0x003c */ +#define OP_PCL_TLS12_AES_128_CBC_SHA256_2 0x003e +#define OP_PCL_TLS12_AES_128_CBC_SHA256_3 0x003f +#define OP_PCL_TLS12_AES_128_CBC_SHA256_4 0x0040 +#define OP_PCL_TLS12_AES_128_CBC_SHA256_5 0x0067 +#define OP_PCL_TLS12_AES_128_CBC_SHA256_6 0x006c + +/* #define OP_PCL_TLS12_AES_256_CBC_SHA256 0x003d */ +#define OP_PCL_TLS12_AES_256_CBC_SHA256_2 0x0068 +#define OP_PCL_TLS12_AES_256_CBC_SHA256_3 0x0069 +#define OP_PCL_TLS12_AES_256_CBC_SHA256_4 0x006a +#define OP_PCL_TLS12_AES_256_CBC_SHA256_5 0x006b +#define OP_PCL_TLS12_AES_256_CBC_SHA256_6 0x006d + +/* AEAD_AES_xxx_CCM/GCM remain to be defined... */ + +#define OP_PCL_TLS12_3DES_EDE_CBC_MD5 0xff23 +#define OP_PCL_TLS12_3DES_EDE_CBC_SHA160 0xff30 +#define OP_PCL_TLS12_3DES_EDE_CBC_SHA224 0xff34 +#define OP_PCL_TLS12_3DES_EDE_CBC_SHA256 0xff36 +#define OP_PCL_TLS12_3DES_EDE_CBC_SHA384 0xff33 +#define OP_PCL_TLS12_3DES_EDE_CBC_SHA512 0xff35 +#define OP_PCL_TLS12_AES_128_CBC_SHA160 0xff80 +#define OP_PCL_TLS12_AES_128_CBC_SHA224 0xff84 +#define OP_PCL_TLS12_AES_128_CBC_SHA256 0xff86 +#define OP_PCL_TLS12_AES_128_CBC_SHA384 0xff83 +#define OP_PCL_TLS12_AES_128_CBC_SHA512 0xff85 +#define OP_PCL_TLS12_AES_192_CBC_SHA160 0xff20 +#define OP_PCL_TLS12_AES_192_CBC_SHA224 0xff24 +#define OP_PCL_TLS12_AES_192_CBC_SHA256 0xff26 +#define OP_PCL_TLS12_AES_192_CBC_SHA384 0xff23 +#define OP_PCL_TLS12_AES_192_CBC_SHA512 0xff25 +#define OP_PCL_TLS12_AES_256_CBC_SHA160 0xff60 +#define OP_PCL_TLS12_AES_256_CBC_SHA224 0xff64 +#define OP_PCL_TLS12_AES_256_CBC_SHA256 0xff66 +#define OP_PCL_TLS12_AES_256_CBC_SHA384 0xff63 +#define OP_PCL_TLS12_AES_256_CBC_SHA512 0xff65 + +/* For DTLS - OP_PCLID_DTLS */ + +#define OP_PCL_DTLS_AES_128_CBC_SHA 0x002f +#define OP_PCL_DTLS_AES_128_CBC_SHA_2 0x0030 +#define OP_PCL_DTLS_AES_128_CBC_SHA_3 0x0031 +#define OP_PCL_DTLS_AES_128_CBC_SHA_4 0x0032 +#define OP_PCL_DTLS_AES_128_CBC_SHA_5 0x0033 +#define OP_PCL_DTLS_AES_128_CBC_SHA_6 0x0034 +#define OP_PCL_DTLS_AES_128_CBC_SHA_7 0x008c +#define OP_PCL_DTLS_AES_128_CBC_SHA_8 0x0090 +#define OP_PCL_DTLS_AES_128_CBC_SHA_9 0x0094 +#define OP_PCL_DTLS_AES_128_CBC_SHA_10 0xc004 +#define OP_PCL_DTLS_AES_128_CBC_SHA_11 0xc009 +#define OP_PCL_DTLS_AES_128_CBC_SHA_12 0xc00e +#define OP_PCL_DTLS_AES_128_CBC_SHA_13 0xc013 +#define OP_PCL_DTLS_AES_128_CBC_SHA_14 0xc018 +#define OP_PCL_DTLS_AES_128_CBC_SHA_15 0xc01d +#define OP_PCL_DTLS_AES_128_CBC_SHA_16 0xc01e +#define OP_PCL_DTLS_AES_128_CBC_SHA_17 0xc01f + +#define OP_PCL_DTLS_AES_256_CBC_SHA 0x0035 +#define OP_PCL_DTLS_AES_256_CBC_SHA_2 0x0036 +#define OP_PCL_DTLS_AES_256_CBC_SHA_3 0x0037 +#define OP_PCL_DTLS_AES_256_CBC_SHA_4 0x0038 +#define OP_PCL_DTLS_AES_256_CBC_SHA_5 0x0039 +#define OP_PCL_DTLS_AES_256_CBC_SHA_6 0x003a +#define OP_PCL_DTLS_AES_256_CBC_SHA_7 0x008d +#define OP_PCL_DTLS_AES_256_CBC_SHA_8 0x0091 +#define OP_PCL_DTLS_AES_256_CBC_SHA_9 0x0095 +#define OP_PCL_DTLS_AES_256_CBC_SHA_10 0xc005 +#define OP_PCL_DTLS_AES_256_CBC_SHA_11 0xc00a +#define OP_PCL_DTLS_AES_256_CBC_SHA_12 0xc00f +#define OP_PCL_DTLS_AES_256_CBC_SHA_13 0xc014 +#define OP_PCL_DTLS_AES_256_CBC_SHA_14 0xc019 +#define OP_PCL_DTLS_AES_256_CBC_SHA_15 0xc020 +#define OP_PCL_DTLS_AES_256_CBC_SHA_16 0xc021 +#define OP_PCL_DTLS_AES_256_CBC_SHA_17 0xc022 + +/* #define OP_PCL_DTLS_3DES_EDE_CBC_MD5 0x0023 */ + +#define OP_PCL_DTLS_3DES_EDE_CBC_SHA 0x001f +#define OP_PCL_DTLS_3DES_EDE_CBC_SHA_2 0x008b +#define OP_PCL_DTLS_3DES_EDE_CBC_SHA_3 0x008f +#define OP_PCL_DTLS_3DES_EDE_CBC_SHA_4 0x0093 +#define OP_PCL_DTLS_3DES_EDE_CBC_SHA_5 0x000a +#define OP_PCL_DTLS_3DES_EDE_CBC_SHA_6 0x000d +#define OP_PCL_DTLS_3DES_EDE_CBC_SHA_7 0x0010 +#define OP_PCL_DTLS_3DES_EDE_CBC_SHA_8 0x0013 +#define OP_PCL_DTLS_3DES_EDE_CBC_SHA_9 0x0016 +#define OP_PCL_DTLS_3DES_EDE_CBC_SHA_10 0x001b +#define OP_PCL_DTLS_3DES_EDE_CBC_SHA_11 0xc003 +#define OP_PCL_DTLS_3DES_EDE_CBC_SHA_12 0xc008 +#define OP_PCL_DTLS_3DES_EDE_CBC_SHA_13 0xc00d +#define OP_PCL_DTLS_3DES_EDE_CBC_SHA_14 0xc012 +#define OP_PCL_DTLS_3DES_EDE_CBC_SHA_15 0xc017 +#define OP_PCL_DTLS_3DES_EDE_CBC_SHA_16 0xc01a +#define OP_PCL_DTLS_3DES_EDE_CBC_SHA_17 0xc01b +#define OP_PCL_DTLS_3DES_EDE_CBC_SHA_18 0xc01c + +#define OP_PCL_DTLS_DES40_CBC_MD5 0x0029 + +#define OP_PCL_DTLS_DES_CBC_MD5 0x0022 + +#define OP_PCL_DTLS_DES40_CBC_SHA 0x0008 +#define OP_PCL_DTLS_DES40_CBC_SHA_2 0x000b +#define OP_PCL_DTLS_DES40_CBC_SHA_3 0x000e +#define OP_PCL_DTLS_DES40_CBC_SHA_4 0x0011 +#define OP_PCL_DTLS_DES40_CBC_SHA_5 0x0014 +#define OP_PCL_DTLS_DES40_CBC_SHA_6 0x0019 +#define OP_PCL_DTLS_DES40_CBC_SHA_7 0x0026 + + +#define OP_PCL_DTLS_DES_CBC_SHA 0x001e +#define OP_PCL_DTLS_DES_CBC_SHA_2 0x0009 +#define OP_PCL_DTLS_DES_CBC_SHA_3 0x000c +#define OP_PCL_DTLS_DES_CBC_SHA_4 0x000f +#define OP_PCL_DTLS_DES_CBC_SHA_5 0x0012 +#define OP_PCL_DTLS_DES_CBC_SHA_6 0x0015 +#define OP_PCL_DTLS_DES_CBC_SHA_7 0x001a + + +#define OP_PCL_DTLS_3DES_EDE_CBC_MD5 0xff23 +#define OP_PCL_DTLS_3DES_EDE_CBC_SHA160 0xff30 +#define OP_PCL_DTLS_3DES_EDE_CBC_SHA224 0xff34 +#define OP_PCL_DTLS_3DES_EDE_CBC_SHA256 0xff36 +#define OP_PCL_DTLS_3DES_EDE_CBC_SHA384 0xff33 +#define OP_PCL_DTLS_3DES_EDE_CBC_SHA512 0xff35 +#define OP_PCL_DTLS_AES_128_CBC_SHA160 0xff80 +#define OP_PCL_DTLS_AES_128_CBC_SHA224 0xff84 +#define OP_PCL_DTLS_AES_128_CBC_SHA256 0xff86 +#define OP_PCL_DTLS_AES_128_CBC_SHA384 0xff83 +#define OP_PCL_DTLS_AES_128_CBC_SHA512 0xff85 +#define OP_PCL_DTLS_AES_192_CBC_SHA160 0xff20 +#define OP_PCL_DTLS_AES_192_CBC_SHA224 0xff24 +#define OP_PCL_DTLS_AES_192_CBC_SHA256 0xff26 +#define OP_PCL_DTLS_AES_192_CBC_SHA384 0xff23 +#define OP_PCL_DTLS_AES_192_CBC_SHA512 0xff25 +#define OP_PCL_DTLS_AES_256_CBC_SHA160 0xff60 +#define OP_PCL_DTLS_AES_256_CBC_SHA224 0xff64 +#define OP_PCL_DTLS_AES_256_CBC_SHA256 0xff66 +#define OP_PCL_DTLS_AES_256_CBC_SHA384 0xff63 +#define OP_PCL_DTLS_AES_256_CBC_SHA512 0xff65 + +/* 802.16 WiMAX protinfos */ +#define OP_PCL_WIMAX_OFDM 0x0201 +#define OP_PCL_WIMAX_OFDMA 0x0231 + +/* 802.11 WiFi protinfos */ +#define OP_PCL_WIFI 0xac04 + +/* MacSec protinfos */ +#define OP_PCL_MACSEC 0x0001 + +/* Derived Key Protocol (DKP) Protinfo */ +#define OP_PCL_DKP_SRC_SHIFT 14 +#define OP_PCL_DKP_SRC_MASK (3 << OP_PCL_DKP_SRC_SHIFT) +#define OP_PCL_DKP_SRC_IMM (0 << OP_PCL_DKP_SRC_SHIFT) +#define OP_PCL_DKP_SRC_SEQ (1 << OP_PCL_DKP_SRC_SHIFT) +#define OP_PCL_DKP_SRC_PTR (2 << OP_PCL_DKP_SRC_SHIFT) +#define OP_PCL_DKP_SRC_SGF (3 << OP_PCL_DKP_SRC_SHIFT) +#define OP_PCL_DKP_DST_SHIFT 12 +#define OP_PCL_DKP_DST_MASK (3 << OP_PCL_DKP_DST_SHIFT) +#define OP_PCL_DKP_DST_IMM (0 << OP_PCL_DKP_DST_SHIFT) +#define OP_PCL_DKP_DST_SEQ (1 << OP_PCL_DKP_DST_SHIFT) +#define OP_PCL_DKP_DST_PTR (2 << OP_PCL_DKP_DST_SHIFT) +#define OP_PCL_DKP_DST_SGF (3 << OP_PCL_DKP_DST_SHIFT) +#define OP_PCL_DKP_KEY_SHIFT 0 +#define OP_PCL_DKP_KEY_MASK (0xfff << OP_PCL_DKP_KEY_SHIFT) + +/* PKI unidirectional protocol protinfo bits */ +#define OP_PCL_PKPROT_TEST 0x0008 +#define OP_PCL_PKPROT_DECRYPT 0x0004 +#define OP_PCL_PKPROT_ECC 0x0002 +#define OP_PCL_PKPROT_F2M 0x0001 + +/* For non-protocol/alg-only op commands */ +#define OP_ALG_TYPE_SHIFT 24 +#define OP_ALG_TYPE_MASK (0x7 << OP_ALG_TYPE_SHIFT) +#define OP_ALG_TYPE_CLASS1 (2 << OP_ALG_TYPE_SHIFT) +#define OP_ALG_TYPE_CLASS2 (4 << OP_ALG_TYPE_SHIFT) + +#define OP_ALG_ALGSEL_SHIFT 16 +#define OP_ALG_ALGSEL_MASK (0xff << OP_ALG_ALGSEL_SHIFT) +#define OP_ALG_ALGSEL_SUBMASK (0x0f << OP_ALG_ALGSEL_SHIFT) +#define OP_ALG_ALGSEL_AES (0x10 << OP_ALG_ALGSEL_SHIFT) +#define OP_ALG_ALGSEL_DES (0x20 << OP_ALG_ALGSEL_SHIFT) +#define OP_ALG_ALGSEL_3DES (0x21 << OP_ALG_ALGSEL_SHIFT) +#define OP_ALG_ALGSEL_ARC4 (0x30 << OP_ALG_ALGSEL_SHIFT) +#define OP_ALG_ALGSEL_MD5 (0x40 << OP_ALG_ALGSEL_SHIFT) +#define OP_ALG_ALGSEL_SHA1 (0x41 << OP_ALG_ALGSEL_SHIFT) +#define OP_ALG_ALGSEL_SHA224 (0x42 << OP_ALG_ALGSEL_SHIFT) +#define OP_ALG_ALGSEL_SHA256 (0x43 << OP_ALG_ALGSEL_SHIFT) +#define OP_ALG_ALGSEL_SHA384 (0x44 << OP_ALG_ALGSEL_SHIFT) +#define OP_ALG_ALGSEL_SHA512 (0x45 << OP_ALG_ALGSEL_SHIFT) +#define OP_ALG_ALGSEL_RNG (0x50 << OP_ALG_ALGSEL_SHIFT) +#define OP_ALG_ALGSEL_SNOW (0x60 << OP_ALG_ALGSEL_SHIFT) +#define OP_ALG_ALGSEL_SNOW_F8 (0x60 << OP_ALG_ALGSEL_SHIFT) +#define OP_ALG_ALGSEL_KASUMI (0x70 << OP_ALG_ALGSEL_SHIFT) +#define OP_ALG_ALGSEL_CRC (0x90 << OP_ALG_ALGSEL_SHIFT) +#define OP_ALG_ALGSEL_SNOW_F9 (0xA0 << OP_ALG_ALGSEL_SHIFT) + +#define OP_ALG_AAI_SHIFT 4 +#define OP_ALG_AAI_MASK (0x1ff << OP_ALG_AAI_SHIFT) + +/* blockcipher AAI set */ +#define OP_ALG_AAI_CTR_MOD128 (0x00 << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_CTR_MOD8 (0x01 << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_CTR_MOD16 (0x02 << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_CTR_MOD24 (0x03 << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_CTR_MOD32 (0x04 << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_CTR_MOD40 (0x05 << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_CTR_MOD48 (0x06 << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_CTR_MOD56 (0x07 << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_CTR_MOD64 (0x08 << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_CTR_MOD72 (0x09 << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_CTR_MOD80 (0x0a << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_CTR_MOD88 (0x0b << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_CTR_MOD96 (0x0c << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_CTR_MOD104 (0x0d << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_CTR_MOD112 (0x0e << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_CTR_MOD120 (0x0f << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_CBC (0x10 << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_ECB (0x20 << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_CFB (0x30 << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_OFB (0x40 << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_XTS (0x50 << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_CMAC (0x60 << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_XCBC_MAC (0x70 << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_CCM (0x80 << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_GCM (0x90 << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_CBC_XCBCMAC (0xa0 << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_CTR_XCBCMAC (0xb0 << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_CHECKODD (0x80 << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_DK (0x100 << OP_ALG_AAI_SHIFT) + +/* randomizer AAI set */ +#define OP_ALG_AAI_RNG (0x00 << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_RNG_NZB (0x10 << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_RNG_OBP (0x20 << OP_ALG_AAI_SHIFT) + +/* RNG4 AAI set */ +#define OP_ALG_AAI_RNG4_SH_0 (0x00 << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_RNG4_SH_1 (0x01 << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_RNG4_PS (0x40 << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_RNG4_AI (0x80 << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_RNG4_SK (0x100 << OP_ALG_AAI_SHIFT) + +/* hmac/smac AAI set */ +#define OP_ALG_AAI_HASH (0x00 << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_HMAC (0x01 << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_SMAC (0x02 << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_HMAC_PRECOMP (0x04 << OP_ALG_AAI_SHIFT) + +/* CRC AAI set*/ +#define OP_ALG_AAI_802 (0x01 << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_3385 (0x02 << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_CUST_POLY (0x04 << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_DIS (0x10 << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_DOS (0x20 << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_DOC (0x40 << OP_ALG_AAI_SHIFT) + +/* Kasumi/SNOW AAI set */ +#define OP_ALG_AAI_F8 (0xc0 << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_F9 (0xc8 << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_GSM (0x10 << OP_ALG_AAI_SHIFT) +#define OP_ALG_AAI_EDGE (0x20 << OP_ALG_AAI_SHIFT) + +#define OP_ALG_AS_SHIFT 2 +#define OP_ALG_AS_MASK (0x3 << OP_ALG_AS_SHIFT) +#define OP_ALG_AS_UPDATE (0 << OP_ALG_AS_SHIFT) +#define OP_ALG_AS_INIT (1 << OP_ALG_AS_SHIFT) +#define OP_ALG_AS_FINALIZE (2 << OP_ALG_AS_SHIFT) +#define OP_ALG_AS_INITFINAL (3 << OP_ALG_AS_SHIFT) + +#define OP_ALG_ICV_SHIFT 1 +#define OP_ALG_ICV_MASK (1 << OP_ALG_ICV_SHIFT) +#define OP_ALG_ICV_OFF (0 << OP_ALG_ICV_SHIFT) +#define OP_ALG_ICV_ON (1 << OP_ALG_ICV_SHIFT) + +#define OP_ALG_DIR_SHIFT 0 +#define OP_ALG_DIR_MASK 1 +#define OP_ALG_DECRYPT 0 +#define OP_ALG_ENCRYPT 1 + +/* PKHA algorithm type set */ +#define OP_ALG_PK 0x00800000 +#define OP_ALG_PK_FUN_MASK 0x3f /* clrmem, modmath, or cpymem */ + +/* PKHA mode clear memory functions */ +#define OP_ALG_PKMODE_A_RAM 0x80000 +#define OP_ALG_PKMODE_B_RAM 0x40000 +#define OP_ALG_PKMODE_E_RAM 0x20000 +#define OP_ALG_PKMODE_N_RAM 0x10000 +#define OP_ALG_PKMODE_CLEARMEM 0x00001 + +/* PKHA mode modular-arithmetic functions */ +#define OP_ALG_PKMODE_MOD_IN_MONTY 0x80000 +#define OP_ALG_PKMODE_MOD_OUT_MONTY 0x40000 +#define OP_ALG_PKMODE_MOD_F2M 0x20000 +#define OP_ALG_PKMODE_MOD_R2_IN 0x10000 +#define OP_ALG_PKMODE_PRJECTV 0x00800 +#define OP_ALG_PKMODE_TIME_EQ 0x400 +#define OP_ALG_PKMODE_OUT_B 0x000 +#define OP_ALG_PKMODE_OUT_A 0x100 +#define OP_ALG_PKMODE_MOD_ADD 0x002 +#define OP_ALG_PKMODE_MOD_SUB_AB 0x003 +#define OP_ALG_PKMODE_MOD_SUB_BA 0x004 +#define OP_ALG_PKMODE_MOD_MULT 0x005 +#define OP_ALG_PKMODE_MOD_EXPO 0x006 +#define OP_ALG_PKMODE_MOD_REDUCT 0x007 +#define OP_ALG_PKMODE_MOD_INV 0x008 +#define OP_ALG_PKMODE_MOD_ECC_ADD 0x009 +#define OP_ALG_PKMODE_MOD_ECC_DBL 0x00a +#define OP_ALG_PKMODE_MOD_ECC_MULT 0x00b +#define OP_ALG_PKMODE_MOD_MONT_CNST 0x00c +#define OP_ALG_PKMODE_MOD_CRT_CNST 0x00d +#define OP_ALG_PKMODE_MOD_GCD 0x00e +#define OP_ALG_PKMODE_MOD_PRIMALITY 0x00f + +/* PKHA mode copy-memory functions */ +#define OP_ALG_PKMODE_SRC_REG_SHIFT 17 +#define OP_ALG_PKMODE_SRC_REG_MASK (7 << OP_ALG_PKMODE_SRC_REG_SHIFT) +#define OP_ALG_PKMODE_DST_REG_SHIFT 10 +#define OP_ALG_PKMODE_DST_REG_MASK (7 << OP_ALG_PKMODE_DST_REG_SHIFT) +#define OP_ALG_PKMODE_SRC_SEG_SHIFT 8 +#define OP_ALG_PKMODE_SRC_SEG_MASK (3 << OP_ALG_PKMODE_SRC_SEG_SHIFT) +#define OP_ALG_PKMODE_DST_SEG_SHIFT 6 +#define OP_ALG_PKMODE_DST_SEG_MASK (3 << OP_ALG_PKMODE_DST_SEG_SHIFT) + +#define OP_ALG_PKMODE_SRC_REG_A (0 << OP_ALG_PKMODE_SRC_REG_SHIFT) +#define OP_ALG_PKMODE_SRC_REG_B (1 << OP_ALG_PKMODE_SRC_REG_SHIFT) +#define OP_ALG_PKMODE_SRC_REG_N (3 << OP_ALG_PKMODE_SRC_REG_SHIFT) +#define OP_ALG_PKMODE_DST_REG_A (0 << OP_ALG_PKMODE_DST_REG_SHIFT) +#define OP_ALG_PKMODE_DST_REG_B (1 << OP_ALG_PKMODE_DST_REG_SHIFT) +#define OP_ALG_PKMODE_DST_REG_E (2 << OP_ALG_PKMODE_DST_REG_SHIFT) +#define OP_ALG_PKMODE_DST_REG_N (3 << OP_ALG_PKMODE_DST_REG_SHIFT) +#define OP_ALG_PKMODE_SRC_SEG_0 (0 << OP_ALG_PKMODE_SRC_SEG_SHIFT) +#define OP_ALG_PKMODE_SRC_SEG_1 (1 << OP_ALG_PKMODE_SRC_SEG_SHIFT) +#define OP_ALG_PKMODE_SRC_SEG_2 (2 << OP_ALG_PKMODE_SRC_SEG_SHIFT) +#define OP_ALG_PKMODE_SRC_SEG_3 (3 << OP_ALG_PKMODE_SRC_SEG_SHIFT) +#define OP_ALG_PKMODE_DST_SEG_0 (0 << OP_ALG_PKMODE_DST_SEG_SHIFT) +#define OP_ALG_PKMODE_DST_SEG_1 (1 << OP_ALG_PKMODE_DST_SEG_SHIFT) +#define OP_ALG_PKMODE_DST_SEG_2 (2 << OP_ALG_PKMODE_DST_SEG_SHIFT) +#define OP_ALG_PKMODE_DST_SEG_3 (3 << OP_ALG_PKMODE_DST_SEG_SHIFT) +#define OP_ALG_PKMODE_CPYMEM_N_SZ 0x80 +#define OP_ALG_PKMODE_CPYMEM_SRC_SZ 0x81 + +/* + * SEQ_IN_PTR Command Constructs + */ + +/* Release Buffers */ +#define SQIN_RBS 0x04000000 + +/* Sequence pointer is really a descriptor */ +#define SQIN_INL 0x02000000 + +/* Sequence pointer is a scatter-gather table */ +#define SQIN_SGF 0x01000000 + +/* Appends to a previous pointer */ +#define SQIN_PRE 0x00800000 + +/* Use extended length following pointer */ +#define SQIN_EXT 0x00400000 + +/* Restore sequence with pointer/length */ +#define SQIN_RTO 0x00200000 + +/* Replace job descriptor */ +#define SQIN_RJD 0x00100000 + +#define SQIN_LEN_SHIFT 0 +#define SQIN_LEN_MASK (0xffff << SQIN_LEN_SHIFT) + +/* + * SEQ_OUT_PTR Command Constructs + */ + +/* Sequence pointer is a scatter-gather table */ +#define SQOUT_SGF 0x01000000 + +/* Appends to a previous pointer */ +#define SQOUT_PRE SQIN_PRE + +/* Restore sequence with pointer/length */ +#define SQOUT_RTO SQIN_RTO + +/* Use extended length following pointer */ +#define SQOUT_EXT 0x00400000 + +#define SQOUT_LEN_SHIFT 0 +#define SQOUT_LEN_MASK (0xffff << SQOUT_LEN_SHIFT) + + +/* + * SIGNATURE Command Constructs + */ + +/* TYPE field is all that's relevant */ +#define SIGN_TYPE_SHIFT 16 +#define SIGN_TYPE_MASK (0x0f << SIGN_TYPE_SHIFT) + +#define SIGN_TYPE_FINAL (0x00 << SIGN_TYPE_SHIFT) +#define SIGN_TYPE_FINAL_RESTORE (0x01 << SIGN_TYPE_SHIFT) +#define SIGN_TYPE_FINAL_NONZERO (0x02 << SIGN_TYPE_SHIFT) +#define SIGN_TYPE_IMM_2 (0x0a << SIGN_TYPE_SHIFT) +#define SIGN_TYPE_IMM_3 (0x0b << SIGN_TYPE_SHIFT) +#define SIGN_TYPE_IMM_4 (0x0c << SIGN_TYPE_SHIFT) + +/* + * MOVE Command Constructs + */ + +#define MOVE_AUX_SHIFT 25 +#define MOVE_AUX_MASK (3 << MOVE_AUX_SHIFT) +#define MOVE_AUX_MS (2 << MOVE_AUX_SHIFT) +#define MOVE_AUX_LS (1 << MOVE_AUX_SHIFT) + +#define MOVE_WAITCOMP_SHIFT 24 +#define MOVE_WAITCOMP_MASK (1 << MOVE_WAITCOMP_SHIFT) +#define MOVE_WAITCOMP (1 << MOVE_WAITCOMP_SHIFT) + +#define MOVE_SRC_SHIFT 20 +#define MOVE_SRC_MASK (0x0f << MOVE_SRC_SHIFT) +#define MOVE_SRC_CLASS1CTX (0x00 << MOVE_SRC_SHIFT) +#define MOVE_SRC_CLASS2CTX (0x01 << MOVE_SRC_SHIFT) +#define MOVE_SRC_OUTFIFO (0x02 << MOVE_SRC_SHIFT) +#define MOVE_SRC_DESCBUF (0x03 << MOVE_SRC_SHIFT) +#define MOVE_SRC_MATH0 (0x04 << MOVE_SRC_SHIFT) +#define MOVE_SRC_MATH1 (0x05 << MOVE_SRC_SHIFT) +#define MOVE_SRC_MATH2 (0x06 << MOVE_SRC_SHIFT) +#define MOVE_SRC_MATH3 (0x07 << MOVE_SRC_SHIFT) +#define MOVE_SRC_INFIFO (0x08 << MOVE_SRC_SHIFT) +#define MOVE_SRC_INFIFO_CL (0x09 << MOVE_SRC_SHIFT) + +#define MOVE_DEST_SHIFT 16 +#define MOVE_DEST_MASK (0x0f << MOVE_DEST_SHIFT) +#define MOVE_DEST_CLASS1CTX (0x00 << MOVE_DEST_SHIFT) +#define MOVE_DEST_CLASS2CTX (0x01 << MOVE_DEST_SHIFT) +#define MOVE_DEST_OUTFIFO (0x02 << MOVE_DEST_SHIFT) +#define MOVE_DEST_DESCBUF (0x03 << MOVE_DEST_SHIFT) +#define MOVE_DEST_MATH0 (0x04 << MOVE_DEST_SHIFT) +#define MOVE_DEST_MATH1 (0x05 << MOVE_DEST_SHIFT) +#define MOVE_DEST_MATH2 (0x06 << MOVE_DEST_SHIFT) +#define MOVE_DEST_MATH3 (0x07 << MOVE_DEST_SHIFT) +#define MOVE_DEST_CLASS1INFIFO (0x08 << MOVE_DEST_SHIFT) +#define MOVE_DEST_CLASS2INFIFO (0x09 << MOVE_DEST_SHIFT) +#define MOVE_DEST_INFIFO_NOINFO (0x0a << MOVE_DEST_SHIFT) +#define MOVE_DEST_PK_A (0x0c << MOVE_DEST_SHIFT) +#define MOVE_DEST_CLASS1KEY (0x0d << MOVE_DEST_SHIFT) +#define MOVE_DEST_CLASS2KEY (0x0e << MOVE_DEST_SHIFT) + +#define MOVE_OFFSET_SHIFT 8 +#define MOVE_OFFSET_MASK (0xff << MOVE_OFFSET_SHIFT) + +#define MOVE_LEN_SHIFT 0 +#define MOVE_LEN_MASK (0xff << MOVE_LEN_SHIFT) + +#define MOVELEN_MRSEL_SHIFT 0 +#define MOVELEN_MRSEL_MASK (0x3 << MOVE_LEN_SHIFT) + +/* + * MATH Command Constructs + */ + +#define MATH_IFB_SHIFT 26 +#define MATH_IFB_MASK (1 << MATH_IFB_SHIFT) +#define MATH_IFB (1 << MATH_IFB_SHIFT) + +#define MATH_NFU_SHIFT 25 +#define MATH_NFU_MASK (1 << MATH_NFU_SHIFT) +#define MATH_NFU (1 << MATH_NFU_SHIFT) + +#define MATH_STL_SHIFT 24 +#define MATH_STL_MASK (1 << MATH_STL_SHIFT) +#define MATH_STL (1 << MATH_STL_SHIFT) + +/* Function selectors */ +#define MATH_FUN_SHIFT 20 +#define MATH_FUN_MASK (0x0f << MATH_FUN_SHIFT) +#define MATH_FUN_ADD (0x00 << MATH_FUN_SHIFT) +#define MATH_FUN_ADDC (0x01 << MATH_FUN_SHIFT) +#define MATH_FUN_SUB (0x02 << MATH_FUN_SHIFT) +#define MATH_FUN_SUBB (0x03 << MATH_FUN_SHIFT) +#define MATH_FUN_OR (0x04 << MATH_FUN_SHIFT) +#define MATH_FUN_AND (0x05 << MATH_FUN_SHIFT) +#define MATH_FUN_XOR (0x06 << MATH_FUN_SHIFT) +#define MATH_FUN_LSHIFT (0x07 << MATH_FUN_SHIFT) +#define MATH_FUN_RSHIFT (0x08 << MATH_FUN_SHIFT) +#define MATH_FUN_SHLD (0x09 << MATH_FUN_SHIFT) +#define MATH_FUN_ZBYT (0x0a << MATH_FUN_SHIFT) + +/* Source 0 selectors */ +#define MATH_SRC0_SHIFT 16 +#define MATH_SRC0_MASK (0x0f << MATH_SRC0_SHIFT) +#define MATH_SRC0_REG0 (0x00 << MATH_SRC0_SHIFT) +#define MATH_SRC0_REG1 (0x01 << MATH_SRC0_SHIFT) +#define MATH_SRC0_REG2 (0x02 << MATH_SRC0_SHIFT) +#define MATH_SRC0_REG3 (0x03 << MATH_SRC0_SHIFT) +#define MATH_SRC0_IMM (0x04 << MATH_SRC0_SHIFT) +#define MATH_SRC0_DPOVRD (0x07 << MATH_SRC0_SHIFT) +#define MATH_SRC0_SEQINLEN (0x08 << MATH_SRC0_SHIFT) +#define MATH_SRC0_SEQOUTLEN (0x09 << MATH_SRC0_SHIFT) +#define MATH_SRC0_VARSEQINLEN (0x0a << MATH_SRC0_SHIFT) +#define MATH_SRC0_VARSEQOUTLEN (0x0b << MATH_SRC0_SHIFT) +#define MATH_SRC0_ZERO (0x0c << MATH_SRC0_SHIFT) + +/* Source 1 selectors */ +#define MATH_SRC1_SHIFT 12 +#define MATH_SRC1_MASK (0x0f << MATH_SRC1_SHIFT) +#define MATH_SRC1_REG0 (0x00 << MATH_SRC1_SHIFT) +#define MATH_SRC1_REG1 (0x01 << MATH_SRC1_SHIFT) +#define MATH_SRC1_REG2 (0x02 << MATH_SRC1_SHIFT) +#define MATH_SRC1_REG3 (0x03 << MATH_SRC1_SHIFT) +#define MATH_SRC1_IMM (0x04 << MATH_SRC1_SHIFT) +#define MATH_SRC1_DPOVRD (0x07 << MATH_SRC1_SHIFT) +#define MATH_SRC1_INFIFO (0x0a << MATH_SRC1_SHIFT) +#define MATH_SRC1_OUTFIFO (0x0b << MATH_SRC1_SHIFT) +#define MATH_SRC1_ONE (0x0c << MATH_SRC1_SHIFT) + +/* Destination selectors */ +#define MATH_DEST_SHIFT 8 +#define MATH_DEST_MASK (0x0f << MATH_DEST_SHIFT) +#define MATH_DEST_REG0 (0x00 << MATH_DEST_SHIFT) +#define MATH_DEST_REG1 (0x01 << MATH_DEST_SHIFT) +#define MATH_DEST_REG2 (0x02 << MATH_DEST_SHIFT) +#define MATH_DEST_REG3 (0x03 << MATH_DEST_SHIFT) +#define MATH_DEST_DPOVRD (0x07 << MATH_DEST_SHIFT) +#define MATH_DEST_SEQINLEN (0x08 << MATH_DEST_SHIFT) +#define MATH_DEST_SEQOUTLEN (0x09 << MATH_DEST_SHIFT) +#define MATH_DEST_VARSEQINLEN (0x0a << MATH_DEST_SHIFT) +#define MATH_DEST_VARSEQOUTLEN (0x0b << MATH_DEST_SHIFT) +#define MATH_DEST_NONE (0x0f << MATH_DEST_SHIFT) + +/* Length selectors */ +#define MATH_LEN_SHIFT 0 +#define MATH_LEN_MASK (0x0f << MATH_LEN_SHIFT) +#define MATH_LEN_1BYTE 0x01 +#define MATH_LEN_2BYTE 0x02 +#define MATH_LEN_4BYTE 0x04 +#define MATH_LEN_8BYTE 0x08 + +/* + * JUMP Command Constructs + */ + +#define JUMP_CLASS_SHIFT 25 +#define JUMP_CLASS_MASK (3 << JUMP_CLASS_SHIFT) +#define JUMP_CLASS_NONE 0 +#define JUMP_CLASS_CLASS1 (1 << JUMP_CLASS_SHIFT) +#define JUMP_CLASS_CLASS2 (2 << JUMP_CLASS_SHIFT) +#define JUMP_CLASS_BOTH (3 << JUMP_CLASS_SHIFT) + +#define JUMP_JSL_SHIFT 24 +#define JUMP_JSL_MASK (1 << JUMP_JSL_SHIFT) +#define JUMP_JSL (1 << JUMP_JSL_SHIFT) + +#define JUMP_TYPE_SHIFT 22 +#define JUMP_TYPE_LOCAL (0x00 << JUMP_TYPE_SHIFT) +#define JUMP_TYPE_NONLOCAL (0x01 << JUMP_TYPE_SHIFT) +#define JUMP_TYPE_HALT (0x02 << JUMP_TYPE_SHIFT) +#define JUMP_TYPE_HALT_USER (0x03 << JUMP_TYPE_SHIFT) + +#define JUMP_TEST_SHIFT 16 +#define JUMP_TEST_MASK (0x03 << JUMP_TEST_SHIFT) +#define JUMP_TEST_ALL (0x00 << JUMP_TEST_SHIFT) +#define JUMP_TEST_INVALL (0x01 << JUMP_TEST_SHIFT) +#define JUMP_TEST_ANY (0x02 << JUMP_TEST_SHIFT) +#define JUMP_TEST_INVANY (0x03 << JUMP_TEST_SHIFT) + +/* Condition codes. JSL bit is factored in */ +#define JUMP_COND_SHIFT 8 +#define JUMP_COND_MASK (0x100ff << JUMP_COND_SHIFT) +#define JUMP_COND_PK_0 (0x80 << JUMP_COND_SHIFT) +#define JUMP_COND_PK_GCD_1 (0x40 << JUMP_COND_SHIFT) +#define JUMP_COND_PK_PRIME (0x20 << JUMP_COND_SHIFT) +#define JUMP_COND_MATH_N (0x08 << JUMP_COND_SHIFT) +#define JUMP_COND_MATH_Z (0x04 << JUMP_COND_SHIFT) +#define JUMP_COND_MATH_C (0x02 << JUMP_COND_SHIFT) +#define JUMP_COND_MATH_NV (0x01 << JUMP_COND_SHIFT) + +#define JUMP_COND_JRP ((0x80 << JUMP_COND_SHIFT) | JUMP_JSL) +#define JUMP_COND_SHRD ((0x40 << JUMP_COND_SHIFT) | JUMP_JSL) +#define JUMP_COND_SELF ((0x20 << JUMP_COND_SHIFT) | JUMP_JSL) +#define JUMP_COND_CALM ((0x10 << JUMP_COND_SHIFT) | JUMP_JSL) +#define JUMP_COND_NIP ((0x08 << JUMP_COND_SHIFT) | JUMP_JSL) +#define JUMP_COND_NIFP ((0x04 << JUMP_COND_SHIFT) | JUMP_JSL) +#define JUMP_COND_NOP ((0x02 << JUMP_COND_SHIFT) | JUMP_JSL) +#define JUMP_COND_NCP ((0x01 << JUMP_COND_SHIFT) | JUMP_JSL) + +#define JUMP_OFFSET_SHIFT 0 +#define JUMP_OFFSET_MASK (0xff << JUMP_OFFSET_SHIFT) + +/* + * NFIFO ENTRY + * Data Constructs + * + */ +#define NFIFOENTRY_DEST_SHIFT 30 +#define NFIFOENTRY_DEST_MASK (3 << NFIFOENTRY_DEST_SHIFT) +#define NFIFOENTRY_DEST_DECO (0 << NFIFOENTRY_DEST_SHIFT) +#define NFIFOENTRY_DEST_CLASS1 (1 << NFIFOENTRY_DEST_SHIFT) +#define NFIFOENTRY_DEST_CLASS2 (2 << NFIFOENTRY_DEST_SHIFT) +#define NFIFOENTRY_DEST_BOTH (3 << NFIFOENTRY_DEST_SHIFT) + +#define NFIFOENTRY_LC2_SHIFT 29 +#define NFIFOENTRY_LC2_MASK (1 << NFIFOENTRY_LC2_SHIFT) +#define NFIFOENTRY_LC2 (1 << NFIFOENTRY_LC2_SHIFT) + +#define NFIFOENTRY_LC1_SHIFT 28 +#define NFIFOENTRY_LC1_MASK (1 << NFIFOENTRY_LC1_SHIFT) +#define NFIFOENTRY_LC1 (1 << NFIFOENTRY_LC1_SHIFT) + +#define NFIFOENTRY_FC2_SHIFT 27 +#define NFIFOENTRY_FC2_MASK (1 << NFIFOENTRY_FC2_SHIFT) +#define NFIFOENTRY_FC2 (1 << NFIFOENTRY_FC2_SHIFT) + +#define NFIFOENTRY_FC1_SHIFT 26 +#define NFIFOENTRY_FC1_MASK (1 << NFIFOENTRY_FC1_SHIFT) +#define NFIFOENTRY_FC1 (1 << NFIFOENTRY_FC1_SHIFT) + +#define NFIFOENTRY_STYPE_SHIFT 24 +#define NFIFOENTRY_STYPE_MASK (3 << NFIFOENTRY_STYPE_SHIFT) +#define NFIFOENTRY_STYPE_DFIFO (0 << NFIFOENTRY_STYPE_SHIFT) +#define NFIFOENTRY_STYPE_OFIFO (1 << NFIFOENTRY_STYPE_SHIFT) +#define NFIFOENTRY_STYPE_PAD (2 << NFIFOENTRY_STYPE_SHIFT) +#define NFIFOENTRY_STYPE_SNOOP (3 << NFIFOENTRY_STYPE_SHIFT) + +#define NFIFOENTRY_DTYPE_SHIFT 20 +#define NFIFOENTRY_DTYPE_MASK (0xF << NFIFOENTRY_DTYPE_SHIFT) + +#define NFIFOENTRY_DTYPE_SBOX (0x0 << NFIFOENTRY_DTYPE_SHIFT) +#define NFIFOENTRY_DTYPE_AAD (0x1 << NFIFOENTRY_DTYPE_SHIFT) +#define NFIFOENTRY_DTYPE_IV (0x2 << NFIFOENTRY_DTYPE_SHIFT) +#define NFIFOENTRY_DTYPE_SAD (0x3 << NFIFOENTRY_DTYPE_SHIFT) +#define NFIFOENTRY_DTYPE_ICV (0xA << NFIFOENTRY_DTYPE_SHIFT) +#define NFIFOENTRY_DTYPE_SKIP (0xE << NFIFOENTRY_DTYPE_SHIFT) +#define NFIFOENTRY_DTYPE_MSG (0xF << NFIFOENTRY_DTYPE_SHIFT) + +#define NFIFOENTRY_DTYPE_PK_A0 (0x0 << NFIFOENTRY_DTYPE_SHIFT) +#define NFIFOENTRY_DTYPE_PK_A1 (0x1 << NFIFOENTRY_DTYPE_SHIFT) +#define NFIFOENTRY_DTYPE_PK_A2 (0x2 << NFIFOENTRY_DTYPE_SHIFT) +#define NFIFOENTRY_DTYPE_PK_A3 (0x3 << NFIFOENTRY_DTYPE_SHIFT) +#define NFIFOENTRY_DTYPE_PK_B0 (0x4 << NFIFOENTRY_DTYPE_SHIFT) +#define NFIFOENTRY_DTYPE_PK_B1 (0x5 << NFIFOENTRY_DTYPE_SHIFT) +#define NFIFOENTRY_DTYPE_PK_B2 (0x6 << NFIFOENTRY_DTYPE_SHIFT) +#define NFIFOENTRY_DTYPE_PK_B3 (0x7 << NFIFOENTRY_DTYPE_SHIFT) +#define NFIFOENTRY_DTYPE_PK_N (0x8 << NFIFOENTRY_DTYPE_SHIFT) +#define NFIFOENTRY_DTYPE_PK_E (0x9 << NFIFOENTRY_DTYPE_SHIFT) +#define NFIFOENTRY_DTYPE_PK_A (0xC << NFIFOENTRY_DTYPE_SHIFT) +#define NFIFOENTRY_DTYPE_PK_B (0xD << NFIFOENTRY_DTYPE_SHIFT) + + +#define NFIFOENTRY_BND_SHIFT 19 +#define NFIFOENTRY_BND_MASK (1 << NFIFOENTRY_BND_SHIFT) +#define NFIFOENTRY_BND (1 << NFIFOENTRY_BND_SHIFT) + +#define NFIFOENTRY_PTYPE_SHIFT 16 +#define NFIFOENTRY_PTYPE_MASK (0x7 << NFIFOENTRY_PTYPE_SHIFT) + +#define NFIFOENTRY_PTYPE_ZEROS (0x0 << NFIFOENTRY_PTYPE_SHIFT) +#define NFIFOENTRY_PTYPE_RND_NOZEROS (0x1 << NFIFOENTRY_PTYPE_SHIFT) +#define NFIFOENTRY_PTYPE_INCREMENT (0x2 << NFIFOENTRY_PTYPE_SHIFT) +#define NFIFOENTRY_PTYPE_RND (0x3 << NFIFOENTRY_PTYPE_SHIFT) +#define NFIFOENTRY_PTYPE_ZEROS_NZ (0x4 << NFIFOENTRY_PTYPE_SHIFT) +#define NFIFOENTRY_PTYPE_RND_NZ_LZ (0x5 << NFIFOENTRY_PTYPE_SHIFT) +#define NFIFOENTRY_PTYPE_N (0x6 << NFIFOENTRY_PTYPE_SHIFT) +#define NFIFOENTRY_PTYPE_RND_NZ_N (0x7 << NFIFOENTRY_PTYPE_SHIFT) + +#define NFIFOENTRY_OC_SHIFT 15 +#define NFIFOENTRY_OC_MASK (1 << NFIFOENTRY_OC_SHIFT) +#define NFIFOENTRY_OC (1 << NFIFOENTRY_OC_SHIFT) + +#define NFIFOENTRY_AST_SHIFT 14 +#define NFIFOENTRY_AST_MASK (1 << NFIFOENTRY_OC_SHIFT) +#define NFIFOENTRY_AST (1 << NFIFOENTRY_OC_SHIFT) + +#define NFIFOENTRY_BM_SHIFT 11 +#define NFIFOENTRY_BM_MASK (1 << NFIFOENTRY_BM_SHIFT) +#define NFIFOENTRY_BM (1 << NFIFOENTRY_BM_SHIFT) + +#define NFIFOENTRY_PS_SHIFT 10 +#define NFIFOENTRY_PS_MASK (1 << NFIFOENTRY_PS_SHIFT) +#define NFIFOENTRY_PS (1 << NFIFOENTRY_PS_SHIFT) + +#define NFIFOENTRY_DLEN_SHIFT 0 +#define NFIFOENTRY_DLEN_MASK (0xFFF << NFIFOENTRY_DLEN_SHIFT) + +#define NFIFOENTRY_PLEN_SHIFT 0 +#define NFIFOENTRY_PLEN_MASK (0xFF << NFIFOENTRY_PLEN_SHIFT) + +/* Append Load Immediate Command */ +#define FD_CMD_APPEND_LOAD_IMMEDIATE 0x80000000 + +/* Set SEQ LIODN equal to the Non-SEQ LIODN for the job */ +#define FD_CMD_SET_SEQ_LIODN_EQUAL_NONSEQ_LIODN 0x40000000 + +/* Frame Descriptor Command for Replacement Job Descriptor */ +#define FD_CMD_REPLACE_JOB_DESC 0x20000000 + +#endif /* DESC_H */ diff --git a/drivers/crypto/caam/desc_constr.h b/drivers/crypto/caam/desc_constr.h new file mode 100644 index 000000000..d4256fa4a --- /dev/null +++ b/drivers/crypto/caam/desc_constr.h @@ -0,0 +1,540 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * caam descriptor construction helper functions + * + * Copyright 2008-2012 Freescale Semiconductor, Inc. + */ + +#ifndef DESC_CONSTR_H +#define DESC_CONSTR_H + +#include "desc.h" +#include "regs.h" + +#define IMMEDIATE (1 << 23) +#define CAAM_CMD_SZ sizeof(u32) +#define CAAM_PTR_SZ sizeof(dma_addr_t) +#define CAAM_DESC_BYTES_MAX (CAAM_CMD_SZ * MAX_CAAM_DESCSIZE) +#define DESC_JOB_IO_LEN (CAAM_CMD_SZ * 5 + CAAM_PTR_SZ * 3) + +#ifdef DEBUG +#define PRINT_POS do { printk(KERN_DEBUG "%02d: %s\n", desc_len(desc),\ + &__func__[sizeof("append")]); } while (0) +#else +#define PRINT_POS +#endif + +#define SET_OK_NO_PROP_ERRORS (IMMEDIATE | LDST_CLASS_DECO | \ + LDST_SRCDST_WORD_DECOCTRL | \ + (LDOFF_CHG_SHARE_OK_NO_PROP << \ + LDST_OFFSET_SHIFT)) +#define DISABLE_AUTO_INFO_FIFO (IMMEDIATE | LDST_CLASS_DECO | \ + LDST_SRCDST_WORD_DECOCTRL | \ + (LDOFF_DISABLE_AUTO_NFIFO << LDST_OFFSET_SHIFT)) +#define ENABLE_AUTO_INFO_FIFO (IMMEDIATE | LDST_CLASS_DECO | \ + LDST_SRCDST_WORD_DECOCTRL | \ + (LDOFF_ENABLE_AUTO_NFIFO << LDST_OFFSET_SHIFT)) + +extern bool caam_little_end; + +static inline int desc_len(u32 * const desc) +{ + return caam32_to_cpu(*desc) & HDR_DESCLEN_MASK; +} + +static inline int desc_bytes(void * const desc) +{ + return desc_len(desc) * CAAM_CMD_SZ; +} + +static inline u32 *desc_end(u32 * const desc) +{ + return desc + desc_len(desc); +} + +static inline void *sh_desc_pdb(u32 * const desc) +{ + return desc + 1; +} + +static inline void init_desc(u32 * const desc, u32 options) +{ + *desc = cpu_to_caam32((options | HDR_ONE) + 1); +} + +static inline void init_sh_desc(u32 * const desc, u32 options) +{ + PRINT_POS; + init_desc(desc, CMD_SHARED_DESC_HDR | options); +} + +static inline void init_sh_desc_pdb(u32 * const desc, u32 options, + size_t pdb_bytes) +{ + u32 pdb_len = (pdb_bytes + CAAM_CMD_SZ - 1) / CAAM_CMD_SZ; + + init_sh_desc(desc, (((pdb_len + 1) << HDR_START_IDX_SHIFT) + pdb_len) | + options); +} + +static inline void init_job_desc(u32 * const desc, u32 options) +{ + init_desc(desc, CMD_DESC_HDR | options); +} + +static inline void init_job_desc_pdb(u32 * const desc, u32 options, + size_t pdb_bytes) +{ + u32 pdb_len = (pdb_bytes + CAAM_CMD_SZ - 1) / CAAM_CMD_SZ; + + init_job_desc(desc, (((pdb_len + 1) << HDR_START_IDX_SHIFT)) | options); +} + +static inline void append_ptr(u32 * const desc, dma_addr_t ptr) +{ + dma_addr_t *offset = (dma_addr_t *)desc_end(desc); + + *offset = cpu_to_caam_dma(ptr); + + (*desc) = cpu_to_caam32(caam32_to_cpu(*desc) + + CAAM_PTR_SZ / CAAM_CMD_SZ); +} + +static inline void init_job_desc_shared(u32 * const desc, dma_addr_t ptr, + int len, u32 options) +{ + PRINT_POS; + init_job_desc(desc, HDR_SHARED | options | + (len << HDR_START_IDX_SHIFT)); + append_ptr(desc, ptr); +} + +static inline void append_data(u32 * const desc, const void *data, int len) +{ + u32 *offset = desc_end(desc); + + if (len) /* avoid sparse warning: memcpy with byte count of 0 */ + memcpy(offset, data, len); + + (*desc) = cpu_to_caam32(caam32_to_cpu(*desc) + + (len + CAAM_CMD_SZ - 1) / CAAM_CMD_SZ); +} + +static inline void append_cmd(u32 * const desc, u32 command) +{ + u32 *cmd = desc_end(desc); + + *cmd = cpu_to_caam32(command); + + (*desc) = cpu_to_caam32(caam32_to_cpu(*desc) + 1); +} + +#define append_u32 append_cmd + +static inline void append_u64(u32 * const desc, u64 data) +{ + u32 *offset = desc_end(desc); + + /* Only 32-bit alignment is guaranteed in descriptor buffer */ + if (caam_little_end) { + *offset = cpu_to_caam32(lower_32_bits(data)); + *(++offset) = cpu_to_caam32(upper_32_bits(data)); + } else { + *offset = cpu_to_caam32(upper_32_bits(data)); + *(++offset) = cpu_to_caam32(lower_32_bits(data)); + } + + (*desc) = cpu_to_caam32(caam32_to_cpu(*desc) + 2); +} + +/* Write command without affecting header, and return pointer to next word */ +static inline u32 *write_cmd(u32 * const desc, u32 command) +{ + *desc = cpu_to_caam32(command); + + return desc + 1; +} + +static inline void append_cmd_ptr(u32 * const desc, dma_addr_t ptr, int len, + u32 command) +{ + append_cmd(desc, command | len); + append_ptr(desc, ptr); +} + +/* Write length after pointer, rather than inside command */ +static inline void append_cmd_ptr_extlen(u32 * const desc, dma_addr_t ptr, + unsigned int len, u32 command) +{ + append_cmd(desc, command); + if (!(command & (SQIN_RTO | SQIN_PRE))) + append_ptr(desc, ptr); + append_cmd(desc, len); +} + +static inline void append_cmd_data(u32 * const desc, const void *data, int len, + u32 command) +{ + append_cmd(desc, command | IMMEDIATE | len); + append_data(desc, data, len); +} + +#define APPEND_CMD_RET(cmd, op) \ +static inline u32 *append_##cmd(u32 * const desc, u32 options) \ +{ \ + u32 *cmd = desc_end(desc); \ + PRINT_POS; \ + append_cmd(desc, CMD_##op | options); \ + return cmd; \ +} +APPEND_CMD_RET(jump, JUMP) +APPEND_CMD_RET(move, MOVE) + +static inline void set_jump_tgt_here(u32 * const desc, u32 *jump_cmd) +{ + *jump_cmd = cpu_to_caam32(caam32_to_cpu(*jump_cmd) | + (desc_len(desc) - (jump_cmd - desc))); +} + +static inline void set_move_tgt_here(u32 * const desc, u32 *move_cmd) +{ + u32 val = caam32_to_cpu(*move_cmd); + + val &= ~MOVE_OFFSET_MASK; + val |= (desc_len(desc) << (MOVE_OFFSET_SHIFT + 2)) & MOVE_OFFSET_MASK; + *move_cmd = cpu_to_caam32(val); +} + +#define APPEND_CMD(cmd, op) \ +static inline void append_##cmd(u32 * const desc, u32 options) \ +{ \ + PRINT_POS; \ + append_cmd(desc, CMD_##op | options); \ +} +APPEND_CMD(operation, OPERATION) + +#define APPEND_CMD_LEN(cmd, op) \ +static inline void append_##cmd(u32 * const desc, unsigned int len, \ + u32 options) \ +{ \ + PRINT_POS; \ + append_cmd(desc, CMD_##op | len | options); \ +} + +APPEND_CMD_LEN(seq_load, SEQ_LOAD) +APPEND_CMD_LEN(seq_store, SEQ_STORE) +APPEND_CMD_LEN(seq_fifo_load, SEQ_FIFO_LOAD) +APPEND_CMD_LEN(seq_fifo_store, SEQ_FIFO_STORE) + +#define APPEND_CMD_PTR(cmd, op) \ +static inline void append_##cmd(u32 * const desc, dma_addr_t ptr, \ + unsigned int len, u32 options) \ +{ \ + PRINT_POS; \ + append_cmd_ptr(desc, ptr, len, CMD_##op | options); \ +} +APPEND_CMD_PTR(key, KEY) +APPEND_CMD_PTR(load, LOAD) +APPEND_CMD_PTR(fifo_load, FIFO_LOAD) +APPEND_CMD_PTR(fifo_store, FIFO_STORE) + +static inline void append_store(u32 * const desc, dma_addr_t ptr, + unsigned int len, u32 options) +{ + u32 cmd_src; + + cmd_src = options & LDST_SRCDST_MASK; + + append_cmd(desc, CMD_STORE | options | len); + + /* The following options do not require pointer */ + if (!(cmd_src == LDST_SRCDST_WORD_DESCBUF_SHARED || + cmd_src == LDST_SRCDST_WORD_DESCBUF_JOB || + cmd_src == LDST_SRCDST_WORD_DESCBUF_JOB_WE || + cmd_src == LDST_SRCDST_WORD_DESCBUF_SHARED_WE)) + append_ptr(desc, ptr); +} + +#define APPEND_SEQ_PTR_INTLEN(cmd, op) \ +static inline void append_seq_##cmd##_ptr_intlen(u32 * const desc, \ + dma_addr_t ptr, \ + unsigned int len, \ + u32 options) \ +{ \ + PRINT_POS; \ + if (options & (SQIN_RTO | SQIN_PRE)) \ + append_cmd(desc, CMD_SEQ_##op##_PTR | len | options); \ + else \ + append_cmd_ptr(desc, ptr, len, CMD_SEQ_##op##_PTR | options); \ +} +APPEND_SEQ_PTR_INTLEN(in, IN) +APPEND_SEQ_PTR_INTLEN(out, OUT) + +#define APPEND_CMD_PTR_TO_IMM(cmd, op) \ +static inline void append_##cmd##_as_imm(u32 * const desc, const void *data, \ + unsigned int len, u32 options) \ +{ \ + PRINT_POS; \ + append_cmd_data(desc, data, len, CMD_##op | options); \ +} +APPEND_CMD_PTR_TO_IMM(load, LOAD); +APPEND_CMD_PTR_TO_IMM(fifo_load, FIFO_LOAD); + +#define APPEND_CMD_PTR_EXTLEN(cmd, op) \ +static inline void append_##cmd##_extlen(u32 * const desc, dma_addr_t ptr, \ + unsigned int len, u32 options) \ +{ \ + PRINT_POS; \ + append_cmd_ptr_extlen(desc, ptr, len, CMD_##op | SQIN_EXT | options); \ +} +APPEND_CMD_PTR_EXTLEN(seq_in_ptr, SEQ_IN_PTR) +APPEND_CMD_PTR_EXTLEN(seq_out_ptr, SEQ_OUT_PTR) + +/* + * Determine whether to store length internally or externally depending on + * the size of its type + */ +#define APPEND_CMD_PTR_LEN(cmd, op, type) \ +static inline void append_##cmd(u32 * const desc, dma_addr_t ptr, \ + type len, u32 options) \ +{ \ + PRINT_POS; \ + if (sizeof(type) > sizeof(u16)) \ + append_##cmd##_extlen(desc, ptr, len, options); \ + else \ + append_##cmd##_intlen(desc, ptr, len, options); \ +} +APPEND_CMD_PTR_LEN(seq_in_ptr, SEQ_IN_PTR, u32) +APPEND_CMD_PTR_LEN(seq_out_ptr, SEQ_OUT_PTR, u32) + +/* + * 2nd variant for commands whose specified immediate length differs + * from length of immediate data provided, e.g., split keys + */ +#define APPEND_CMD_PTR_TO_IMM2(cmd, op) \ +static inline void append_##cmd##_as_imm(u32 * const desc, const void *data, \ + unsigned int data_len, \ + unsigned int len, u32 options) \ +{ \ + PRINT_POS; \ + append_cmd(desc, CMD_##op | IMMEDIATE | len | options); \ + append_data(desc, data, data_len); \ +} +APPEND_CMD_PTR_TO_IMM2(key, KEY); + +#define APPEND_CMD_RAW_IMM(cmd, op, type) \ +static inline void append_##cmd##_imm_##type(u32 * const desc, type immediate, \ + u32 options) \ +{ \ + PRINT_POS; \ + append_cmd(desc, CMD_##op | IMMEDIATE | options | sizeof(type)); \ + append_cmd(desc, immediate); \ +} +APPEND_CMD_RAW_IMM(load, LOAD, u32); + +/* + * ee - endianness + * size - size of immediate type in bytes + */ +#define APPEND_CMD_RAW_IMM2(cmd, op, ee, size) \ +static inline void append_##cmd##_imm_##ee##size(u32 *desc, \ + u##size immediate, \ + u32 options) \ +{ \ + __##ee##size data = cpu_to_##ee##size(immediate); \ + PRINT_POS; \ + append_cmd(desc, CMD_##op | IMMEDIATE | options | sizeof(data)); \ + append_data(desc, &data, sizeof(data)); \ +} + +APPEND_CMD_RAW_IMM2(load, LOAD, be, 32); + +/* + * Append math command. Only the last part of destination and source need to + * be specified + */ +#define APPEND_MATH(op, desc, dest, src_0, src_1, len) \ +append_cmd(desc, CMD_MATH | MATH_FUN_##op | MATH_DEST_##dest | \ + MATH_SRC0_##src_0 | MATH_SRC1_##src_1 | (u32)len); + +#define append_math_add(desc, dest, src0, src1, len) \ + APPEND_MATH(ADD, desc, dest, src0, src1, len) +#define append_math_sub(desc, dest, src0, src1, len) \ + APPEND_MATH(SUB, desc, dest, src0, src1, len) +#define append_math_add_c(desc, dest, src0, src1, len) \ + APPEND_MATH(ADDC, desc, dest, src0, src1, len) +#define append_math_sub_b(desc, dest, src0, src1, len) \ + APPEND_MATH(SUBB, desc, dest, src0, src1, len) +#define append_math_and(desc, dest, src0, src1, len) \ + APPEND_MATH(AND, desc, dest, src0, src1, len) +#define append_math_or(desc, dest, src0, src1, len) \ + APPEND_MATH(OR, desc, dest, src0, src1, len) +#define append_math_xor(desc, dest, src0, src1, len) \ + APPEND_MATH(XOR, desc, dest, src0, src1, len) +#define append_math_lshift(desc, dest, src0, src1, len) \ + APPEND_MATH(LSHIFT, desc, dest, src0, src1, len) +#define append_math_rshift(desc, dest, src0, src1, len) \ + APPEND_MATH(RSHIFT, desc, dest, src0, src1, len) +#define append_math_ldshift(desc, dest, src0, src1, len) \ + APPEND_MATH(SHLD, desc, dest, src0, src1, len) + +/* Exactly one source is IMM. Data is passed in as u32 value */ +#define APPEND_MATH_IMM_u32(op, desc, dest, src_0, src_1, data) \ +do { \ + APPEND_MATH(op, desc, dest, src_0, src_1, CAAM_CMD_SZ); \ + append_cmd(desc, data); \ +} while (0) + +#define append_math_add_imm_u32(desc, dest, src0, src1, data) \ + APPEND_MATH_IMM_u32(ADD, desc, dest, src0, src1, data) +#define append_math_sub_imm_u32(desc, dest, src0, src1, data) \ + APPEND_MATH_IMM_u32(SUB, desc, dest, src0, src1, data) +#define append_math_add_c_imm_u32(desc, dest, src0, src1, data) \ + APPEND_MATH_IMM_u32(ADDC, desc, dest, src0, src1, data) +#define append_math_sub_b_imm_u32(desc, dest, src0, src1, data) \ + APPEND_MATH_IMM_u32(SUBB, desc, dest, src0, src1, data) +#define append_math_and_imm_u32(desc, dest, src0, src1, data) \ + APPEND_MATH_IMM_u32(AND, desc, dest, src0, src1, data) +#define append_math_or_imm_u32(desc, dest, src0, src1, data) \ + APPEND_MATH_IMM_u32(OR, desc, dest, src0, src1, data) +#define append_math_xor_imm_u32(desc, dest, src0, src1, data) \ + APPEND_MATH_IMM_u32(XOR, desc, dest, src0, src1, data) +#define append_math_lshift_imm_u32(desc, dest, src0, src1, data) \ + APPEND_MATH_IMM_u32(LSHIFT, desc, dest, src0, src1, data) +#define append_math_rshift_imm_u32(desc, dest, src0, src1, data) \ + APPEND_MATH_IMM_u32(RSHIFT, desc, dest, src0, src1, data) + +/* Exactly one source is IMM. Data is passed in as u64 value */ +#define APPEND_MATH_IMM_u64(op, desc, dest, src_0, src_1, data) \ +do { \ + u32 upper = (data >> 16) >> 16; \ + APPEND_MATH(op, desc, dest, src_0, src_1, CAAM_CMD_SZ * 2 | \ + (upper ? 0 : MATH_IFB)); \ + if (upper) \ + append_u64(desc, data); \ + else \ + append_u32(desc, lower_32_bits(data)); \ +} while (0) + +#define append_math_add_imm_u64(desc, dest, src0, src1, data) \ + APPEND_MATH_IMM_u64(ADD, desc, dest, src0, src1, data) +#define append_math_sub_imm_u64(desc, dest, src0, src1, data) \ + APPEND_MATH_IMM_u64(SUB, desc, dest, src0, src1, data) +#define append_math_add_c_imm_u64(desc, dest, src0, src1, data) \ + APPEND_MATH_IMM_u64(ADDC, desc, dest, src0, src1, data) +#define append_math_sub_b_imm_u64(desc, dest, src0, src1, data) \ + APPEND_MATH_IMM_u64(SUBB, desc, dest, src0, src1, data) +#define append_math_and_imm_u64(desc, dest, src0, src1, data) \ + APPEND_MATH_IMM_u64(AND, desc, dest, src0, src1, data) +#define append_math_or_imm_u64(desc, dest, src0, src1, data) \ + APPEND_MATH_IMM_u64(OR, desc, dest, src0, src1, data) +#define append_math_xor_imm_u64(desc, dest, src0, src1, data) \ + APPEND_MATH_IMM_u64(XOR, desc, dest, src0, src1, data) +#define append_math_lshift_imm_u64(desc, dest, src0, src1, data) \ + APPEND_MATH_IMM_u64(LSHIFT, desc, dest, src0, src1, data) +#define append_math_rshift_imm_u64(desc, dest, src0, src1, data) \ + APPEND_MATH_IMM_u64(RSHIFT, desc, dest, src0, src1, data) + +/** + * struct alginfo - Container for algorithm details + * @algtype: algorithm selector; for valid values, see documentation of the + * functions where it is used. + * @keylen: length of the provided algorithm key, in bytes + * @keylen_pad: padded length of the provided algorithm key, in bytes + * @key: address where algorithm key resides; virtual address if key_inline + * is true, dma (bus) address if key_inline is false. + * @key_inline: true - key can be inlined in the descriptor; false - key is + * referenced by the descriptor + */ +struct alginfo { + u32 algtype; + unsigned int keylen; + unsigned int keylen_pad; + union { + dma_addr_t key_dma; + const void *key_virt; + }; + bool key_inline; +}; + +/** + * desc_inline_query() - Provide indications on which data items can be inlined + * and which shall be referenced in a shared descriptor. + * @sd_base_len: Shared descriptor base length - bytes consumed by the commands, + * excluding the data items to be inlined (or corresponding + * pointer if an item is not inlined). Each cnstr_* function that + * generates descriptors should have a define mentioning + * corresponding length. + * @jd_len: Maximum length of the job descriptor(s) that will be used + * together with the shared descriptor. + * @data_len: Array of lengths of the data items trying to be inlined + * @inl_mask: 32bit mask with bit x = 1 if data item x can be inlined, 0 + * otherwise. + * @count: Number of data items (size of @data_len array); must be <= 32 + * + * Return: 0 if data can be inlined / referenced, negative value if not. If 0, + * check @inl_mask for details. + */ +static inline int desc_inline_query(unsigned int sd_base_len, + unsigned int jd_len, unsigned int *data_len, + u32 *inl_mask, unsigned int count) +{ + int rem_bytes = (int)(CAAM_DESC_BYTES_MAX - sd_base_len - jd_len); + unsigned int i; + + *inl_mask = 0; + for (i = 0; (i < count) && (rem_bytes > 0); i++) { + if (rem_bytes - (int)(data_len[i] + + (count - i - 1) * CAAM_PTR_SZ) >= 0) { + rem_bytes -= data_len[i]; + *inl_mask |= (1 << i); + } else { + rem_bytes -= CAAM_PTR_SZ; + } + } + + return (rem_bytes >= 0) ? 0 : -1; +} + +/** + * append_proto_dkp - Derived Key Protocol (DKP): key -> split key + * @desc: pointer to buffer used for descriptor construction + * @adata: pointer to authentication transform definitions. + * keylen should be the length of initial key, while keylen_pad + * the length of the derived (split) key. + * Valid algorithm values - one of OP_ALG_ALGSEL_{MD5, SHA1, SHA224, + * SHA256, SHA384, SHA512}. + */ +static inline void append_proto_dkp(u32 * const desc, struct alginfo *adata) +{ + u32 protid; + + /* + * Quick & dirty translation from OP_ALG_ALGSEL_{MD5, SHA*} + * to OP_PCLID_DKP_{MD5, SHA*} + */ + protid = (adata->algtype & OP_ALG_ALGSEL_SUBMASK) | + (0x20 << OP_ALG_ALGSEL_SHIFT); + + if (adata->key_inline) { + int words; + + append_operation(desc, OP_TYPE_UNI_PROTOCOL | protid | + OP_PCL_DKP_SRC_IMM | OP_PCL_DKP_DST_IMM | + adata->keylen); + append_data(desc, adata->key_virt, adata->keylen); + + /* Reserve space in descriptor buffer for the derived key */ + words = (ALIGN(adata->keylen_pad, CAAM_CMD_SZ) - + ALIGN(adata->keylen, CAAM_CMD_SZ)) / CAAM_CMD_SZ; + if (words) + (*desc) = cpu_to_caam32(caam32_to_cpu(*desc) + words); + } else { + append_operation(desc, OP_TYPE_UNI_PROTOCOL | protid | + OP_PCL_DKP_SRC_PTR | OP_PCL_DKP_DST_PTR | + adata->keylen); + append_ptr(desc, adata->key_dma); + } +} + +#endif /* DESC_CONSTR_H */ diff --git a/drivers/crypto/caam/error.c b/drivers/crypto/caam/error.c new file mode 100644 index 000000000..832ba2afd --- /dev/null +++ b/drivers/crypto/caam/error.c @@ -0,0 +1,291 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * CAAM Error Reporting + * + * Copyright 2009-2011 Freescale Semiconductor, Inc. + */ + +#include "compat.h" +#include "regs.h" +#include "desc.h" +#include "error.h" + +#ifdef DEBUG +#include <linux/highmem.h> + +void caam_dump_sg(const char *level, const char *prefix_str, int prefix_type, + int rowsize, int groupsize, struct scatterlist *sg, + size_t tlen, bool ascii) +{ + struct scatterlist *it; + void *it_page; + size_t len; + void *buf; + + for (it = sg; it && tlen > 0 ; it = sg_next(it)) { + /* + * make sure the scatterlist's page + * has a valid virtual memory mapping + */ + it_page = kmap_atomic(sg_page(it)); + if (unlikely(!it_page)) { + pr_err("caam_dump_sg: kmap failed\n"); + return; + } + + buf = it_page + it->offset; + len = min_t(size_t, tlen, it->length); + print_hex_dump(level, prefix_str, prefix_type, rowsize, + groupsize, buf, len, ascii); + tlen -= len; + + kunmap_atomic(it_page); + } +} +#else +void caam_dump_sg(const char *level, const char *prefix_str, int prefix_type, + int rowsize, int groupsize, struct scatterlist *sg, + size_t tlen, bool ascii) +{} +#endif /* DEBUG */ +EXPORT_SYMBOL(caam_dump_sg); + +static const struct { + u8 value; + const char *error_text; +} desc_error_list[] = { + { 0x00, "No error." }, + { 0x01, "SGT Length Error. The descriptor is trying to read more data than is contained in the SGT table." }, + { 0x02, "SGT Null Entry Error." }, + { 0x03, "Job Ring Control Error. There is a bad value in the Job Ring Control register." }, + { 0x04, "Invalid Descriptor Command. The Descriptor Command field is invalid." }, + { 0x05, "Reserved." }, + { 0x06, "Invalid KEY Command" }, + { 0x07, "Invalid LOAD Command" }, + { 0x08, "Invalid STORE Command" }, + { 0x09, "Invalid OPERATION Command" }, + { 0x0A, "Invalid FIFO LOAD Command" }, + { 0x0B, "Invalid FIFO STORE Command" }, + { 0x0C, "Invalid MOVE/MOVE_LEN Command" }, + { 0x0D, "Invalid JUMP Command. A nonlocal JUMP Command is invalid because the target is not a Job Header Command, or the jump is from a Trusted Descriptor to a Job Descriptor, or because the target Descriptor contains a Shared Descriptor." }, + { 0x0E, "Invalid MATH Command" }, + { 0x0F, "Invalid SIGNATURE Command" }, + { 0x10, "Invalid Sequence Command. A SEQ IN PTR OR SEQ OUT PTR Command is invalid or a SEQ KEY, SEQ LOAD, SEQ FIFO LOAD, or SEQ FIFO STORE decremented the input or output sequence length below 0. This error may result if a built-in PROTOCOL Command has encountered a malformed PDU." }, + { 0x11, "Skip data type invalid. The type must be 0xE or 0xF."}, + { 0x12, "Shared Descriptor Header Error" }, + { 0x13, "Header Error. Invalid length or parity, or certain other problems." }, + { 0x14, "Burster Error. Burster has gotten to an illegal state" }, + { 0x15, "Context Register Length Error. The descriptor is trying to read or write past the end of the Context Register. A SEQ LOAD or SEQ STORE with the VLF bit set was executed with too large a length in the variable length register (VSOL for SEQ STORE or VSIL for SEQ LOAD)." }, + { 0x16, "DMA Error" }, + { 0x17, "Reserved." }, + { 0x1A, "Job failed due to JR reset" }, + { 0x1B, "Job failed due to Fail Mode" }, + { 0x1C, "DECO Watchdog timer timeout error" }, + { 0x1D, "DECO tried to copy a key from another DECO but the other DECO's Key Registers were locked" }, + { 0x1E, "DECO attempted to copy data from a DECO that had an unmasked Descriptor error" }, + { 0x1F, "LIODN error. DECO was trying to share from itself or from another DECO but the two Non-SEQ LIODN values didn't match or the 'shared from' DECO's Descriptor required that the SEQ LIODNs be the same and they aren't." }, + { 0x20, "DECO has completed a reset initiated via the DRR register" }, + { 0x21, "Nonce error. When using EKT (CCM) key encryption option in the FIFO STORE Command, the Nonce counter reached its maximum value and this encryption mode can no longer be used." }, + { 0x22, "Meta data is too large (> 511 bytes) for TLS decap (input frame; block ciphers) and IPsec decap (output frame, when doing the next header byte update) and DCRC (output frame)." }, + { 0x23, "Read Input Frame error" }, + { 0x24, "JDKEK, TDKEK or TDSK not loaded error" }, + { 0x80, "DNR (do not run) error" }, + { 0x81, "undefined protocol command" }, + { 0x82, "invalid setting in PDB" }, + { 0x83, "Anti-replay LATE error" }, + { 0x84, "Anti-replay REPLAY error" }, + { 0x85, "Sequence number overflow" }, + { 0x86, "Sigver invalid signature" }, + { 0x87, "DSA Sign Illegal test descriptor" }, + { 0x88, "Protocol Format Error - A protocol has seen an error in the format of data received. When running RSA, this means that formatting with random padding was used, and did not follow the form: 0x00, 0x02, 8-to-N bytes of non-zero pad, 0x00, F data." }, + { 0x89, "Protocol Size Error - A protocol has seen an error in size. When running RSA, pdb size N < (size of F) when no formatting is used; or pdb size N < (F + 11) when formatting is used." }, + { 0xC1, "Blob Command error: Undefined mode" }, + { 0xC2, "Blob Command error: Secure Memory Blob mode error" }, + { 0xC4, "Blob Command error: Black Blob key or input size error" }, + { 0xC5, "Blob Command error: Invalid key destination" }, + { 0xC8, "Blob Command error: Trusted/Secure mode error" }, + { 0xF0, "IPsec TTL or hop limit field either came in as 0, or was decremented to 0" }, + { 0xF1, "3GPP HFN matches or exceeds the Threshold" }, +}; + +static const char * const cha_id_list[] = { + "", + "AES", + "DES", + "ARC4", + "MDHA", + "RNG", + "SNOW f8", + "Kasumi f8/9", + "PKHA", + "CRCA", + "SNOW f9", + "ZUCE", + "ZUCA", +}; + +static const char * const err_id_list[] = { + "No error.", + "Mode error.", + "Data size error.", + "Key size error.", + "PKHA A memory size error.", + "PKHA B memory size error.", + "Data arrived out of sequence error.", + "PKHA divide-by-zero error.", + "PKHA modulus even error.", + "DES key parity error.", + "ICV check failed.", + "Hardware error.", + "Unsupported CCM AAD size.", + "Class 1 CHA is not reset", + "Invalid CHA combination was selected", + "Invalid CHA selected.", +}; + +static const char * const rng_err_id_list[] = { + "", + "", + "", + "Instantiate", + "Not instantiated", + "Test instantiate", + "Prediction resistance", + "Prediction resistance and test request", + "Uninstantiate", + "Secure key generation", +}; + +static void report_ccb_status(struct device *jrdev, const u32 status, + const char *error) +{ + u8 cha_id = (status & JRSTA_CCBERR_CHAID_MASK) >> + JRSTA_CCBERR_CHAID_SHIFT; + u8 err_id = status & JRSTA_CCBERR_ERRID_MASK; + u8 idx = (status & JRSTA_DECOERR_INDEX_MASK) >> + JRSTA_DECOERR_INDEX_SHIFT; + char *idx_str; + const char *cha_str = "unidentified cha_id value 0x"; + char cha_err_code[3] = { 0 }; + const char *err_str = "unidentified err_id value 0x"; + char err_err_code[3] = { 0 }; + + if (status & JRSTA_DECOERR_JUMP) + idx_str = "jump tgt desc idx"; + else + idx_str = "desc idx"; + + if (cha_id < ARRAY_SIZE(cha_id_list)) + cha_str = cha_id_list[cha_id]; + else + snprintf(cha_err_code, sizeof(cha_err_code), "%02x", cha_id); + + if ((cha_id << JRSTA_CCBERR_CHAID_SHIFT) == JRSTA_CCBERR_CHAID_RNG && + err_id < ARRAY_SIZE(rng_err_id_list) && + strlen(rng_err_id_list[err_id])) { + /* RNG-only error */ + err_str = rng_err_id_list[err_id]; + } else { + err_str = err_id_list[err_id]; + } + + /* + * CCB ICV check failures are part of normal operation life; + * we leave the upper layers to do what they want with them. + */ + if (err_id != JRSTA_CCBERR_ERRID_ICVCHK) + dev_err(jrdev, "%08x: %s: %s %d: %s%s: %s%s\n", + status, error, idx_str, idx, + cha_str, cha_err_code, + err_str, err_err_code); +} + +static void report_jump_status(struct device *jrdev, const u32 status, + const char *error) +{ + dev_err(jrdev, "%08x: %s: %s() not implemented\n", + status, error, __func__); +} + +static void report_deco_status(struct device *jrdev, const u32 status, + const char *error) +{ + u8 err_id = status & JRSTA_DECOERR_ERROR_MASK; + u8 idx = (status & JRSTA_DECOERR_INDEX_MASK) >> + JRSTA_DECOERR_INDEX_SHIFT; + char *idx_str; + const char *err_str = "unidentified error value 0x"; + char err_err_code[3] = { 0 }; + int i; + + if (status & JRSTA_DECOERR_JUMP) + idx_str = "jump tgt desc idx"; + else + idx_str = "desc idx"; + + for (i = 0; i < ARRAY_SIZE(desc_error_list); i++) + if (desc_error_list[i].value == err_id) + break; + + if (i != ARRAY_SIZE(desc_error_list) && desc_error_list[i].error_text) + err_str = desc_error_list[i].error_text; + else + snprintf(err_err_code, sizeof(err_err_code), "%02x", err_id); + + dev_err(jrdev, "%08x: %s: %s %d: %s%s\n", + status, error, idx_str, idx, err_str, err_err_code); +} + +static void report_jr_status(struct device *jrdev, const u32 status, + const char *error) +{ + dev_err(jrdev, "%08x: %s: %s() not implemented\n", + status, error, __func__); +} + +static void report_cond_code_status(struct device *jrdev, const u32 status, + const char *error) +{ + dev_err(jrdev, "%08x: %s: %s() not implemented\n", + status, error, __func__); +} + +void caam_jr_strstatus(struct device *jrdev, u32 status) +{ + static const struct stat_src { + void (*report_ssed)(struct device *jrdev, const u32 status, + const char *error); + const char *error; + } status_src[16] = { + { NULL, "No error" }, + { NULL, NULL }, + { report_ccb_status, "CCB" }, + { report_jump_status, "Jump" }, + { report_deco_status, "DECO" }, + { NULL, "Queue Manager Interface" }, + { report_jr_status, "Job Ring" }, + { report_cond_code_status, "Condition Code" }, + { NULL, NULL }, + { NULL, NULL }, + { NULL, NULL }, + { NULL, NULL }, + { NULL, NULL }, + { NULL, NULL }, + { NULL, NULL }, + { NULL, NULL }, + }; + u32 ssrc = status >> JRSTA_SSRC_SHIFT; + const char *error = status_src[ssrc].error; + + /* + * If there is an error handling function, call it to report the error. + * Otherwise print the error source name. + */ + if (status_src[ssrc].report_ssed) + status_src[ssrc].report_ssed(jrdev, status, error); + else if (error) + dev_err(jrdev, "%d: %s\n", ssrc, error); + else + dev_err(jrdev, "%d: unknown error source\n", ssrc); +} +EXPORT_SYMBOL(caam_jr_strstatus); diff --git a/drivers/crypto/caam/error.h b/drivers/crypto/caam/error.h new file mode 100644 index 000000000..5aa332bac --- /dev/null +++ b/drivers/crypto/caam/error.h @@ -0,0 +1,16 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * CAAM Error Reporting code header + * + * Copyright 2009-2011 Freescale Semiconductor, Inc. + */ + +#ifndef CAAM_ERROR_H +#define CAAM_ERROR_H +#define CAAM_ERROR_STR_MAX 302 +void caam_jr_strstatus(struct device *jrdev, u32 status); + +void caam_dump_sg(const char *level, const char *prefix_str, int prefix_type, + int rowsize, int groupsize, struct scatterlist *sg, + size_t tlen, bool ascii); +#endif /* CAAM_ERROR_H */ diff --git a/drivers/crypto/caam/intern.h b/drivers/crypto/caam/intern.h new file mode 100644 index 000000000..babc78abd --- /dev/null +++ b/drivers/crypto/caam/intern.h @@ -0,0 +1,133 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * CAAM/SEC 4.x driver backend + * Private/internal definitions between modules + * + * Copyright 2008-2011 Freescale Semiconductor, Inc. + * + */ + +#ifndef INTERN_H +#define INTERN_H + +/* Currently comes from Kconfig param as a ^2 (driver-required) */ +#define JOBR_DEPTH (1 << CONFIG_CRYPTO_DEV_FSL_CAAM_RINGSIZE) + +/* Kconfig params for interrupt coalescing if selected (else zero) */ +#ifdef CONFIG_CRYPTO_DEV_FSL_CAAM_INTC +#define JOBR_INTC JRCFG_ICEN +#define JOBR_INTC_TIME_THLD CONFIG_CRYPTO_DEV_FSL_CAAM_INTC_TIME_THLD +#define JOBR_INTC_COUNT_THLD CONFIG_CRYPTO_DEV_FSL_CAAM_INTC_COUNT_THLD +#else +#define JOBR_INTC 0 +#define JOBR_INTC_TIME_THLD 0 +#define JOBR_INTC_COUNT_THLD 0 +#endif + +/* + * Storage for tracking each in-process entry moving across a ring + * Each entry on an output ring needs one of these + */ +struct caam_jrentry_info { + void (*callbk)(struct device *dev, u32 *desc, u32 status, void *arg); + void *cbkarg; /* Argument per ring entry */ + u32 *desc_addr_virt; /* Stored virt addr for postprocessing */ + dma_addr_t desc_addr_dma; /* Stored bus addr for done matching */ + u32 desc_size; /* Stored size for postprocessing, header derived */ +}; + +/* Private sub-storage for a single JobR */ +struct caam_drv_private_jr { + struct list_head list_node; /* Job Ring device list */ + struct device *dev; + int ridx; + struct caam_job_ring __iomem *rregs; /* JobR's register space */ + struct tasklet_struct irqtask; + int irq; /* One per queue */ + + /* Number of scatterlist crypt transforms active on the JobR */ + atomic_t tfm_count ____cacheline_aligned; + + /* Job ring info */ + int ringsize; /* Size of rings (assume input = output) */ + struct caam_jrentry_info *entinfo; /* Alloc'ed 1 per ring entry */ + spinlock_t inplock ____cacheline_aligned; /* Input ring index lock */ + int inp_ring_write_index; /* Input index "tail" */ + int head; /* entinfo (s/w ring) head index */ + dma_addr_t *inpring; /* Base of input ring, alloc DMA-safe */ + spinlock_t outlock ____cacheline_aligned; /* Output ring index lock */ + int out_ring_read_index; /* Output index "tail" */ + int tail; /* entinfo (s/w ring) tail index */ + struct jr_outentry *outring; /* Base of output ring, DMA-safe */ +}; + +/* + * Driver-private storage for a single CAAM block instance + */ +struct caam_drv_private { +#ifdef CONFIG_CAAM_QI + struct device *qidev; +#endif + + /* Physical-presence section */ + struct caam_ctrl __iomem *ctrl; /* controller region */ + struct caam_deco __iomem *deco; /* DECO/CCB views */ + struct caam_assurance __iomem *assure; + struct caam_queue_if __iomem *qi; /* QI control region */ + struct caam_job_ring __iomem *jr[4]; /* JobR's register space */ + + /* + * Detected geometry block. Filled in from device tree if powerpc, + * or from register-based version detection code + */ + u8 total_jobrs; /* Total Job Rings in device */ + u8 qi_present; /* Nonzero if QI present in device */ + u8 mc_en; /* Nonzero if MC f/w is active */ + int secvio_irq; /* Security violation interrupt number */ + int virt_en; /* Virtualization enabled in CAAM */ + int era; /* CAAM Era (internal HW revision) */ + +#define RNG4_MAX_HANDLES 2 + /* RNG4 block */ + u32 rng4_sh_init; /* This bitmap shows which of the State + Handles of the RNG4 block are initialized + by this driver */ + + struct clk *caam_ipg; + struct clk *caam_mem; + struct clk *caam_aclk; + struct clk *caam_emi_slow; + + /* + * debugfs entries for developer view into driver/device + * variables at runtime. + */ +#ifdef CONFIG_DEBUG_FS + struct dentry *dfs_root; + struct dentry *ctl; /* controller dir */ + struct debugfs_blob_wrapper ctl_kek_wrap, ctl_tkek_wrap, ctl_tdsk_wrap; + struct dentry *ctl_kek, *ctl_tkek, *ctl_tdsk; +#endif +}; + +void caam_jr_algapi_init(struct device *dev); +void caam_jr_algapi_remove(struct device *dev); + +#ifdef CONFIG_DEBUG_FS +static int caam_debugfs_u64_get(void *data, u64 *val) +{ + *val = caam64_to_cpu(*(u64 *)data); + return 0; +} + +static int caam_debugfs_u32_get(void *data, u64 *val) +{ + *val = caam32_to_cpu(*(u32 *)data); + return 0; +} + +DEFINE_SIMPLE_ATTRIBUTE(caam_fops_u32_ro, caam_debugfs_u32_get, NULL, "%llu\n"); +DEFINE_SIMPLE_ATTRIBUTE(caam_fops_u64_ro, caam_debugfs_u64_get, NULL, "%llu\n"); +#endif + +#endif /* INTERN_H */ diff --git a/drivers/crypto/caam/jr.c b/drivers/crypto/caam/jr.c new file mode 100644 index 000000000..acdd72016 --- /dev/null +++ b/drivers/crypto/caam/jr.c @@ -0,0 +1,582 @@ +/* + * CAAM/SEC 4.x transport/backend driver + * JobR backend functionality + * + * Copyright 2008-2012 Freescale Semiconductor, Inc. + */ + +#include <linux/of_irq.h> +#include <linux/of_address.h> + +#include "compat.h" +#include "ctrl.h" +#include "regs.h" +#include "jr.h" +#include "desc.h" +#include "intern.h" + +struct jr_driver_data { + /* List of Physical JobR's with the Driver */ + struct list_head jr_list; + spinlock_t jr_alloc_lock; /* jr_list lock */ +} ____cacheline_aligned; + +static struct jr_driver_data driver_data; + +static int caam_reset_hw_jr(struct device *dev) +{ + struct caam_drv_private_jr *jrp = dev_get_drvdata(dev); + unsigned int timeout = 100000; + + /* + * mask interrupts since we are going to poll + * for reset completion status + */ + clrsetbits_32(&jrp->rregs->rconfig_lo, 0, JRCFG_IMSK); + + /* initiate flush (required prior to reset) */ + wr_reg32(&jrp->rregs->jrcommand, JRCR_RESET); + while (((rd_reg32(&jrp->rregs->jrintstatus) & JRINT_ERR_HALT_MASK) == + JRINT_ERR_HALT_INPROGRESS) && --timeout) + cpu_relax(); + + if ((rd_reg32(&jrp->rregs->jrintstatus) & JRINT_ERR_HALT_MASK) != + JRINT_ERR_HALT_COMPLETE || timeout == 0) { + dev_err(dev, "failed to flush job ring %d\n", jrp->ridx); + return -EIO; + } + + /* initiate reset */ + timeout = 100000; + wr_reg32(&jrp->rregs->jrcommand, JRCR_RESET); + while ((rd_reg32(&jrp->rregs->jrcommand) & JRCR_RESET) && --timeout) + cpu_relax(); + + if (timeout == 0) { + dev_err(dev, "failed to reset job ring %d\n", jrp->ridx); + return -EIO; + } + + /* unmask interrupts */ + clrsetbits_32(&jrp->rregs->rconfig_lo, JRCFG_IMSK, 0); + + return 0; +} + +/* + * Shutdown JobR independent of platform property code + */ +static int caam_jr_shutdown(struct device *dev) +{ + struct caam_drv_private_jr *jrp = dev_get_drvdata(dev); + dma_addr_t inpbusaddr, outbusaddr; + int ret; + + ret = caam_reset_hw_jr(dev); + + tasklet_kill(&jrp->irqtask); + + /* Release interrupt */ + free_irq(jrp->irq, dev); + + /* Free rings */ + inpbusaddr = rd_reg64(&jrp->rregs->inpring_base); + outbusaddr = rd_reg64(&jrp->rregs->outring_base); + dma_free_coherent(dev, sizeof(dma_addr_t) * JOBR_DEPTH, + jrp->inpring, inpbusaddr); + dma_free_coherent(dev, sizeof(struct jr_outentry) * JOBR_DEPTH, + jrp->outring, outbusaddr); + kfree(jrp->entinfo); + + return ret; +} + +static int caam_jr_remove(struct platform_device *pdev) +{ + int ret; + struct device *jrdev; + struct caam_drv_private_jr *jrpriv; + + jrdev = &pdev->dev; + jrpriv = dev_get_drvdata(jrdev); + + /* + * Return EBUSY if job ring already allocated. + */ + if (atomic_read(&jrpriv->tfm_count)) { + dev_err(jrdev, "Device is busy\n"); + return -EBUSY; + } + + /* Remove the node from Physical JobR list maintained by driver */ + spin_lock(&driver_data.jr_alloc_lock); + list_del(&jrpriv->list_node); + spin_unlock(&driver_data.jr_alloc_lock); + + /* Release ring */ + ret = caam_jr_shutdown(jrdev); + if (ret) + dev_err(jrdev, "Failed to shut down job ring\n"); + irq_dispose_mapping(jrpriv->irq); + + return ret; +} + +/* Main per-ring interrupt handler */ +static irqreturn_t caam_jr_interrupt(int irq, void *st_dev) +{ + struct device *dev = st_dev; + struct caam_drv_private_jr *jrp = dev_get_drvdata(dev); + u32 irqstate; + + /* + * Check the output ring for ready responses, kick + * tasklet if jobs done. + */ + irqstate = rd_reg32(&jrp->rregs->jrintstatus); + if (!irqstate) + return IRQ_NONE; + + /* + * If JobR error, we got more development work to do + * Flag a bug now, but we really need to shut down and + * restart the queue (and fix code). + */ + if (irqstate & JRINT_JR_ERROR) { + dev_err(dev, "job ring error: irqstate: %08x\n", irqstate); + BUG(); + } + + /* mask valid interrupts */ + clrsetbits_32(&jrp->rregs->rconfig_lo, 0, JRCFG_IMSK); + + /* Have valid interrupt at this point, just ACK and trigger */ + wr_reg32(&jrp->rregs->jrintstatus, irqstate); + + preempt_disable(); + tasklet_schedule(&jrp->irqtask); + preempt_enable(); + + return IRQ_HANDLED; +} + +/* Deferred service handler, run as interrupt-fired tasklet */ +static void caam_jr_dequeue(unsigned long devarg) +{ + int hw_idx, sw_idx, i, head, tail; + struct device *dev = (struct device *)devarg; + struct caam_drv_private_jr *jrp = dev_get_drvdata(dev); + void (*usercall)(struct device *dev, u32 *desc, u32 status, void *arg); + u32 *userdesc, userstatus; + void *userarg; + + while (rd_reg32(&jrp->rregs->outring_used)) { + + head = READ_ONCE(jrp->head); + + spin_lock(&jrp->outlock); + + sw_idx = tail = jrp->tail; + hw_idx = jrp->out_ring_read_index; + + for (i = 0; CIRC_CNT(head, tail + i, JOBR_DEPTH) >= 1; i++) { + sw_idx = (tail + i) & (JOBR_DEPTH - 1); + + if (jrp->outring[hw_idx].desc == + caam_dma_to_cpu(jrp->entinfo[sw_idx].desc_addr_dma)) + break; /* found */ + } + /* we should never fail to find a matching descriptor */ + BUG_ON(CIRC_CNT(head, tail + i, JOBR_DEPTH) <= 0); + + /* Unmap just-run descriptor so we can post-process */ + dma_unmap_single(dev, + caam_dma_to_cpu(jrp->outring[hw_idx].desc), + jrp->entinfo[sw_idx].desc_size, + DMA_TO_DEVICE); + + /* mark completed, avoid matching on a recycled desc addr */ + jrp->entinfo[sw_idx].desc_addr_dma = 0; + + /* Stash callback params for use outside of lock */ + usercall = jrp->entinfo[sw_idx].callbk; + userarg = jrp->entinfo[sw_idx].cbkarg; + userdesc = jrp->entinfo[sw_idx].desc_addr_virt; + userstatus = caam32_to_cpu(jrp->outring[hw_idx].jrstatus); + + /* + * Make sure all information from the job has been obtained + * before telling CAAM that the job has been removed from the + * output ring. + */ + mb(); + + /* set done */ + wr_reg32(&jrp->rregs->outring_rmvd, 1); + + jrp->out_ring_read_index = (jrp->out_ring_read_index + 1) & + (JOBR_DEPTH - 1); + + /* + * if this job completed out-of-order, do not increment + * the tail. Otherwise, increment tail by 1 plus the + * number of subsequent jobs already completed out-of-order + */ + if (sw_idx == tail) { + do { + tail = (tail + 1) & (JOBR_DEPTH - 1); + } while (CIRC_CNT(head, tail, JOBR_DEPTH) >= 1 && + jrp->entinfo[tail].desc_addr_dma == 0); + + jrp->tail = tail; + } + + spin_unlock(&jrp->outlock); + + /* Finally, execute user's callback */ + usercall(dev, userdesc, userstatus, userarg); + } + + /* reenable / unmask IRQs */ + clrsetbits_32(&jrp->rregs->rconfig_lo, JRCFG_IMSK, 0); +} + +/** + * caam_jr_alloc() - Alloc a job ring for someone to use as needed. + * + * returns : pointer to the newly allocated physical + * JobR dev can be written to if successful. + **/ +struct device *caam_jr_alloc(void) +{ + struct caam_drv_private_jr *jrpriv, *min_jrpriv = NULL; + struct device *dev = ERR_PTR(-ENODEV); + int min_tfm_cnt = INT_MAX; + int tfm_cnt; + + spin_lock(&driver_data.jr_alloc_lock); + + if (list_empty(&driver_data.jr_list)) { + spin_unlock(&driver_data.jr_alloc_lock); + return ERR_PTR(-ENODEV); + } + + list_for_each_entry(jrpriv, &driver_data.jr_list, list_node) { + tfm_cnt = atomic_read(&jrpriv->tfm_count); + if (tfm_cnt < min_tfm_cnt) { + min_tfm_cnt = tfm_cnt; + min_jrpriv = jrpriv; + } + if (!min_tfm_cnt) + break; + } + + if (min_jrpriv) { + atomic_inc(&min_jrpriv->tfm_count); + dev = min_jrpriv->dev; + } + spin_unlock(&driver_data.jr_alloc_lock); + + return dev; +} +EXPORT_SYMBOL(caam_jr_alloc); + +/** + * caam_jr_free() - Free the Job Ring + * @rdev - points to the dev that identifies the Job ring to + * be released. + **/ +void caam_jr_free(struct device *rdev) +{ + struct caam_drv_private_jr *jrpriv = dev_get_drvdata(rdev); + + atomic_dec(&jrpriv->tfm_count); +} +EXPORT_SYMBOL(caam_jr_free); + +/** + * caam_jr_enqueue() - Enqueue a job descriptor head. Returns 0 if OK, + * -EBUSY if the queue is full, -EIO if it cannot map the caller's + * descriptor. + * @dev: device of the job ring to be used. This device should have + * been assigned prior by caam_jr_register(). + * @desc: points to a job descriptor that execute our request. All + * descriptors (and all referenced data) must be in a DMAable + * region, and all data references must be physical addresses + * accessible to CAAM (i.e. within a PAMU window granted + * to it). + * @cbk: pointer to a callback function to be invoked upon completion + * of this request. This has the form: + * callback(struct device *dev, u32 *desc, u32 stat, void *arg) + * where: + * @dev: contains the job ring device that processed this + * response. + * @desc: descriptor that initiated the request, same as + * "desc" being argued to caam_jr_enqueue(). + * @status: untranslated status received from CAAM. See the + * reference manual for a detailed description of + * error meaning, or see the JRSTA definitions in the + * register header file + * @areq: optional pointer to an argument passed with the + * original request + * @areq: optional pointer to a user argument for use at callback + * time. + **/ +int caam_jr_enqueue(struct device *dev, u32 *desc, + void (*cbk)(struct device *dev, u32 *desc, + u32 status, void *areq), + void *areq) +{ + struct caam_drv_private_jr *jrp = dev_get_drvdata(dev); + struct caam_jrentry_info *head_entry; + int head, tail, desc_size; + dma_addr_t desc_dma; + + desc_size = (caam32_to_cpu(*desc) & HDR_JD_LENGTH_MASK) * sizeof(u32); + desc_dma = dma_map_single(dev, desc, desc_size, DMA_TO_DEVICE); + if (dma_mapping_error(dev, desc_dma)) { + dev_err(dev, "caam_jr_enqueue(): can't map jobdesc\n"); + return -EIO; + } + + spin_lock_bh(&jrp->inplock); + + head = jrp->head; + tail = READ_ONCE(jrp->tail); + + if (!rd_reg32(&jrp->rregs->inpring_avail) || + CIRC_SPACE(head, tail, JOBR_DEPTH) <= 0) { + spin_unlock_bh(&jrp->inplock); + dma_unmap_single(dev, desc_dma, desc_size, DMA_TO_DEVICE); + return -EBUSY; + } + + head_entry = &jrp->entinfo[head]; + head_entry->desc_addr_virt = desc; + head_entry->desc_size = desc_size; + head_entry->callbk = (void *)cbk; + head_entry->cbkarg = areq; + head_entry->desc_addr_dma = desc_dma; + + jrp->inpring[jrp->inp_ring_write_index] = cpu_to_caam_dma(desc_dma); + + /* + * Guarantee that the descriptor's DMA address has been written to + * the next slot in the ring before the write index is updated, since + * other cores may update this index independently. + */ + smp_wmb(); + + jrp->inp_ring_write_index = (jrp->inp_ring_write_index + 1) & + (JOBR_DEPTH - 1); + jrp->head = (head + 1) & (JOBR_DEPTH - 1); + + /* + * Ensure that all job information has been written before + * notifying CAAM that a new job was added to the input ring. + */ + wmb(); + + wr_reg32(&jrp->rregs->inpring_jobadd, 1); + + spin_unlock_bh(&jrp->inplock); + + return 0; +} +EXPORT_SYMBOL(caam_jr_enqueue); + +/* + * Init JobR independent of platform property detection + */ +static int caam_jr_init(struct device *dev) +{ + struct caam_drv_private_jr *jrp; + dma_addr_t inpbusaddr, outbusaddr; + int i, error; + + jrp = dev_get_drvdata(dev); + + tasklet_init(&jrp->irqtask, caam_jr_dequeue, (unsigned long)dev); + + /* Connect job ring interrupt handler. */ + error = request_irq(jrp->irq, caam_jr_interrupt, IRQF_SHARED, + dev_name(dev), dev); + if (error) { + dev_err(dev, "can't connect JobR %d interrupt (%d)\n", + jrp->ridx, jrp->irq); + goto out_kill_deq; + } + + error = caam_reset_hw_jr(dev); + if (error) + goto out_free_irq; + + error = -ENOMEM; + jrp->inpring = dma_alloc_coherent(dev, sizeof(*jrp->inpring) * + JOBR_DEPTH, &inpbusaddr, GFP_KERNEL); + if (!jrp->inpring) + goto out_free_irq; + + jrp->outring = dma_alloc_coherent(dev, sizeof(*jrp->outring) * + JOBR_DEPTH, &outbusaddr, GFP_KERNEL); + if (!jrp->outring) + goto out_free_inpring; + + jrp->entinfo = kcalloc(JOBR_DEPTH, sizeof(*jrp->entinfo), GFP_KERNEL); + if (!jrp->entinfo) + goto out_free_outring; + + for (i = 0; i < JOBR_DEPTH; i++) + jrp->entinfo[i].desc_addr_dma = !0; + + /* Setup rings */ + jrp->inp_ring_write_index = 0; + jrp->out_ring_read_index = 0; + jrp->head = 0; + jrp->tail = 0; + + wr_reg64(&jrp->rregs->inpring_base, inpbusaddr); + wr_reg64(&jrp->rregs->outring_base, outbusaddr); + wr_reg32(&jrp->rregs->inpring_size, JOBR_DEPTH); + wr_reg32(&jrp->rregs->outring_size, JOBR_DEPTH); + + jrp->ringsize = JOBR_DEPTH; + + spin_lock_init(&jrp->inplock); + spin_lock_init(&jrp->outlock); + + /* Select interrupt coalescing parameters */ + clrsetbits_32(&jrp->rregs->rconfig_lo, 0, JOBR_INTC | + (JOBR_INTC_COUNT_THLD << JRCFG_ICDCT_SHIFT) | + (JOBR_INTC_TIME_THLD << JRCFG_ICTT_SHIFT)); + + return 0; + +out_free_outring: + dma_free_coherent(dev, sizeof(struct jr_outentry) * JOBR_DEPTH, + jrp->outring, outbusaddr); +out_free_inpring: + dma_free_coherent(dev, sizeof(dma_addr_t) * JOBR_DEPTH, + jrp->inpring, inpbusaddr); + dev_err(dev, "can't allocate job rings for %d\n", jrp->ridx); +out_free_irq: + free_irq(jrp->irq, dev); +out_kill_deq: + tasklet_kill(&jrp->irqtask); + return error; +} + + +/* + * Probe routine for each detected JobR subsystem. + */ +static int caam_jr_probe(struct platform_device *pdev) +{ + struct device *jrdev; + struct device_node *nprop; + struct caam_job_ring __iomem *ctrl; + struct caam_drv_private_jr *jrpriv; + static int total_jobrs; + int error; + + jrdev = &pdev->dev; + jrpriv = devm_kmalloc(jrdev, sizeof(*jrpriv), GFP_KERNEL); + if (!jrpriv) + return -ENOMEM; + + dev_set_drvdata(jrdev, jrpriv); + + /* save ring identity relative to detection */ + jrpriv->ridx = total_jobrs++; + + nprop = pdev->dev.of_node; + /* Get configuration properties from device tree */ + /* First, get register page */ + ctrl = of_iomap(nprop, 0); + if (!ctrl) { + dev_err(jrdev, "of_iomap() failed\n"); + return -ENOMEM; + } + + jrpriv->rregs = (struct caam_job_ring __iomem __force *)ctrl; + + if (sizeof(dma_addr_t) == sizeof(u64)) { + if (caam_dpaa2) + error = dma_set_mask_and_coherent(jrdev, + DMA_BIT_MASK(49)); + else if (of_device_is_compatible(nprop, + "fsl,sec-v5.0-job-ring")) + error = dma_set_mask_and_coherent(jrdev, + DMA_BIT_MASK(40)); + else + error = dma_set_mask_and_coherent(jrdev, + DMA_BIT_MASK(36)); + } else { + error = dma_set_mask_and_coherent(jrdev, DMA_BIT_MASK(32)); + } + if (error) { + dev_err(jrdev, "dma_set_mask_and_coherent failed (%d)\n", + error); + iounmap(ctrl); + return error; + } + + /* Identify the interrupt */ + jrpriv->irq = irq_of_parse_and_map(nprop, 0); + + /* Now do the platform independent part */ + error = caam_jr_init(jrdev); /* now turn on hardware */ + if (error) { + irq_dispose_mapping(jrpriv->irq); + iounmap(ctrl); + return error; + } + + jrpriv->dev = jrdev; + spin_lock(&driver_data.jr_alloc_lock); + list_add_tail(&jrpriv->list_node, &driver_data.jr_list); + spin_unlock(&driver_data.jr_alloc_lock); + + atomic_set(&jrpriv->tfm_count, 0); + + return 0; +} + +static const struct of_device_id caam_jr_match[] = { + { + .compatible = "fsl,sec-v4.0-job-ring", + }, + { + .compatible = "fsl,sec4.0-job-ring", + }, + {}, +}; +MODULE_DEVICE_TABLE(of, caam_jr_match); + +static struct platform_driver caam_jr_driver = { + .driver = { + .name = "caam_jr", + .of_match_table = caam_jr_match, + }, + .probe = caam_jr_probe, + .remove = caam_jr_remove, +}; + +static int __init jr_driver_init(void) +{ + spin_lock_init(&driver_data.jr_alloc_lock); + INIT_LIST_HEAD(&driver_data.jr_list); + return platform_driver_register(&caam_jr_driver); +} + +static void __exit jr_driver_exit(void) +{ + platform_driver_unregister(&caam_jr_driver); +} + +module_init(jr_driver_init); +module_exit(jr_driver_exit); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("FSL CAAM JR request backend"); +MODULE_AUTHOR("Freescale Semiconductor - NMG/STC"); diff --git a/drivers/crypto/caam/jr.h b/drivers/crypto/caam/jr.h new file mode 100644 index 000000000..eab611530 --- /dev/null +++ b/drivers/crypto/caam/jr.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * CAAM public-level include definitions for the JobR backend + * + * Copyright 2008-2011 Freescale Semiconductor, Inc. + */ + +#ifndef JR_H +#define JR_H + +/* Prototypes for backend-level services exposed to APIs */ +struct device *caam_jr_alloc(void); +void caam_jr_free(struct device *rdev); +int caam_jr_enqueue(struct device *dev, u32 *desc, + void (*cbk)(struct device *dev, u32 *desc, u32 status, + void *areq), + void *areq); + +#endif /* JR_H */ diff --git a/drivers/crypto/caam/key_gen.c b/drivers/crypto/caam/key_gen.c new file mode 100644 index 000000000..312b5f042 --- /dev/null +++ b/drivers/crypto/caam/key_gen.c @@ -0,0 +1,140 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * CAAM/SEC 4.x functions for handling key-generation jobs + * + * Copyright 2008-2011 Freescale Semiconductor, Inc. + * + */ +#include "compat.h" +#include "jr.h" +#include "error.h" +#include "desc_constr.h" +#include "key_gen.h" + +void split_key_done(struct device *dev, u32 *desc, u32 err, + void *context) +{ + struct split_key_result *res = context; + +#ifdef DEBUG + dev_err(dev, "%s %d: err 0x%x\n", __func__, __LINE__, err); +#endif + + if (err) + caam_jr_strstatus(dev, err); + + res->err = err; + + complete(&res->completion); +} +EXPORT_SYMBOL(split_key_done); +/* +get a split ipad/opad key + +Split key generation----------------------------------------------- + +[00] 0xb0810008 jobdesc: stidx=1 share=never len=8 +[01] 0x04000014 key: class2->keyreg len=20 + @0xffe01000 +[03] 0x84410014 operation: cls2-op sha1 hmac init dec +[04] 0x24940000 fifold: class2 msgdata-last2 len=0 imm +[05] 0xa4000001 jump: class2 local all ->1 [06] +[06] 0x64260028 fifostr: class2 mdsplit-jdk len=40 + @0xffe04000 +*/ +int gen_split_key(struct device *jrdev, u8 *key_out, + struct alginfo * const adata, const u8 *key_in, u32 keylen, + int max_keylen) +{ + u32 *desc; + struct split_key_result result; + dma_addr_t dma_addr_in, dma_addr_out; + int ret = -ENOMEM; + + adata->keylen = split_key_len(adata->algtype & OP_ALG_ALGSEL_MASK); + adata->keylen_pad = split_key_pad_len(adata->algtype & + OP_ALG_ALGSEL_MASK); + +#ifdef DEBUG + dev_err(jrdev, "split keylen %d split keylen padded %d\n", + adata->keylen, adata->keylen_pad); + print_hex_dump(KERN_ERR, "ctx.key@" __stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, key_in, keylen, 1); +#endif + + if (adata->keylen_pad > max_keylen) + return -EINVAL; + + desc = kmalloc(CAAM_CMD_SZ * 6 + CAAM_PTR_SZ * 2, GFP_KERNEL | GFP_DMA); + if (!desc) { + dev_err(jrdev, "unable to allocate key input memory\n"); + return ret; + } + + dma_addr_in = dma_map_single(jrdev, (void *)key_in, keylen, + DMA_TO_DEVICE); + if (dma_mapping_error(jrdev, dma_addr_in)) { + dev_err(jrdev, "unable to map key input memory\n"); + goto out_free; + } + + dma_addr_out = dma_map_single(jrdev, key_out, adata->keylen_pad, + DMA_FROM_DEVICE); + if (dma_mapping_error(jrdev, dma_addr_out)) { + dev_err(jrdev, "unable to map key output memory\n"); + goto out_unmap_in; + } + + init_job_desc(desc, 0); + append_key(desc, dma_addr_in, keylen, CLASS_2 | KEY_DEST_CLASS_REG); + + /* Sets MDHA up into an HMAC-INIT */ + append_operation(desc, (adata->algtype & OP_ALG_ALGSEL_MASK) | + OP_ALG_AAI_HMAC | OP_TYPE_CLASS2_ALG | OP_ALG_DECRYPT | + OP_ALG_AS_INIT); + + /* + * do a FIFO_LOAD of zero, this will trigger the internal key expansion + * into both pads inside MDHA + */ + append_fifo_load_as_imm(desc, NULL, 0, LDST_CLASS_2_CCB | + FIFOLD_TYPE_MSG | FIFOLD_TYPE_LAST2); + + /* + * FIFO_STORE with the explicit split-key content store + * (0x26 output type) + */ + append_fifo_store(desc, dma_addr_out, adata->keylen, + LDST_CLASS_2_CCB | FIFOST_TYPE_SPLIT_KEK); + +#ifdef DEBUG + print_hex_dump(KERN_ERR, "ctx.key@"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, key_in, keylen, 1); + print_hex_dump(KERN_ERR, "jobdesc@"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, desc, desc_bytes(desc), 1); +#endif + + result.err = 0; + init_completion(&result.completion); + + ret = caam_jr_enqueue(jrdev, desc, split_key_done, &result); + if (!ret) { + /* in progress */ + wait_for_completion(&result.completion); + ret = result.err; +#ifdef DEBUG + print_hex_dump(KERN_ERR, "ctx.key@"__stringify(__LINE__)": ", + DUMP_PREFIX_ADDRESS, 16, 4, key_out, + adata->keylen_pad, 1); +#endif + } + + dma_unmap_single(jrdev, dma_addr_out, adata->keylen_pad, + DMA_FROM_DEVICE); +out_unmap_in: + dma_unmap_single(jrdev, dma_addr_in, keylen, DMA_TO_DEVICE); +out_free: + kfree(desc); + return ret; +} +EXPORT_SYMBOL(gen_split_key); diff --git a/drivers/crypto/caam/key_gen.h b/drivers/crypto/caam/key_gen.h new file mode 100644 index 000000000..818f78f6f --- /dev/null +++ b/drivers/crypto/caam/key_gen.h @@ -0,0 +1,48 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * CAAM/SEC 4.x definitions for handling key-generation jobs + * + * Copyright 2008-2011 Freescale Semiconductor, Inc. + * + */ + +/** + * split_key_len - Compute MDHA split key length for a given algorithm + * @hash: Hashing algorithm selection, one of OP_ALG_ALGSEL_* - MD5, SHA1, + * SHA224, SHA384, SHA512. + * + * Return: MDHA split key length + */ +static inline u32 split_key_len(u32 hash) +{ + /* Sizes for MDHA pads (*not* keys): MD5, SHA1, 224, 256, 384, 512 */ + static const u8 mdpadlen[] = { 16, 20, 32, 32, 64, 64 }; + u32 idx; + + idx = (hash & OP_ALG_ALGSEL_SUBMASK) >> OP_ALG_ALGSEL_SHIFT; + + return (u32)(mdpadlen[idx] * 2); +} + +/** + * split_key_pad_len - Compute MDHA split key pad length for a given algorithm + * @hash: Hashing algorithm selection, one of OP_ALG_ALGSEL_* - MD5, SHA1, + * SHA224, SHA384, SHA512. + * + * Return: MDHA split key pad length + */ +static inline u32 split_key_pad_len(u32 hash) +{ + return ALIGN(split_key_len(hash), 16); +} + +struct split_key_result { + struct completion completion; + int err; +}; + +void split_key_done(struct device *dev, u32 *desc, u32 err, void *context); + +int gen_split_key(struct device *jrdev, u8 *key_out, + struct alginfo * const adata, const u8 *key_in, u32 keylen, + int max_keylen); diff --git a/drivers/crypto/caam/pdb.h b/drivers/crypto/caam/pdb.h new file mode 100644 index 000000000..810f0bef0 --- /dev/null +++ b/drivers/crypto/caam/pdb.h @@ -0,0 +1,591 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * CAAM Protocol Data Block (PDB) definition header file + * + * Copyright 2008-2016 Freescale Semiconductor, Inc. + * + */ + +#ifndef CAAM_PDB_H +#define CAAM_PDB_H +#include "compat.h" + +/* + * PDB- IPSec ESP Header Modification Options + */ +#define PDBHMO_ESP_DECAP_SHIFT 28 +#define PDBHMO_ESP_ENCAP_SHIFT 28 +/* + * Encap and Decap - Decrement TTL (Hop Limit) - Based on the value of the + * Options Byte IP version (IPvsn) field: + * if IPv4, decrement the inner IP header TTL field (byte 8); + * if IPv6 decrement the inner IP header Hop Limit field (byte 7). +*/ +#define PDBHMO_ESP_DECAP_DEC_TTL (0x02 << PDBHMO_ESP_DECAP_SHIFT) +#define PDBHMO_ESP_ENCAP_DEC_TTL (0x02 << PDBHMO_ESP_ENCAP_SHIFT) +/* + * Decap - DiffServ Copy - Copy the IPv4 TOS or IPv6 Traffic Class byte + * from the outer IP header to the inner IP header. + */ +#define PDBHMO_ESP_DIFFSERV (0x01 << PDBHMO_ESP_DECAP_SHIFT) +/* + * Encap- Copy DF bit -if an IPv4 tunnel mode outer IP header is coming from + * the PDB, copy the DF bit from the inner IP header to the outer IP header. + */ +#define PDBHMO_ESP_DFBIT (0x04 << PDBHMO_ESP_ENCAP_SHIFT) + +#define PDBNH_ESP_ENCAP_SHIFT 16 +#define PDBNH_ESP_ENCAP_MASK (0xff << PDBNH_ESP_ENCAP_SHIFT) + +#define PDBHDRLEN_ESP_DECAP_SHIFT 16 +#define PDBHDRLEN_MASK (0x0fff << PDBHDRLEN_ESP_DECAP_SHIFT) + +#define PDB_NH_OFFSET_SHIFT 8 +#define PDB_NH_OFFSET_MASK (0xff << PDB_NH_OFFSET_SHIFT) + +/* + * PDB - IPSec ESP Encap/Decap Options + */ +#define PDBOPTS_ESP_ARSNONE 0x00 /* no antireplay window */ +#define PDBOPTS_ESP_ARS32 0x40 /* 32-entry antireplay window */ +#define PDBOPTS_ESP_ARS128 0x80 /* 128-entry antireplay window */ +#define PDBOPTS_ESP_ARS64 0xc0 /* 64-entry antireplay window */ +#define PDBOPTS_ESP_ARS_MASK 0xc0 /* antireplay window mask */ +#define PDBOPTS_ESP_IVSRC 0x20 /* IV comes from internal random gen */ +#define PDBOPTS_ESP_ESN 0x10 /* extended sequence included */ +#define PDBOPTS_ESP_OUTFMT 0x08 /* output only decapsulation (decap) */ +#define PDBOPTS_ESP_IPHDRSRC 0x08 /* IP header comes from PDB (encap) */ +#define PDBOPTS_ESP_INCIPHDR 0x04 /* Prepend IP header to output frame */ +#define PDBOPTS_ESP_IPVSN 0x02 /* process IPv6 header */ +#define PDBOPTS_ESP_AOFL 0x04 /* adjust out frame len (decap, SEC>=5.3)*/ +#define PDBOPTS_ESP_TUNNEL 0x01 /* tunnel mode next-header byte */ +#define PDBOPTS_ESP_IPV6 0x02 /* ip header version is V6 */ +#define PDBOPTS_ESP_DIFFSERV 0x40 /* copy TOS/TC from inner iphdr */ +#define PDBOPTS_ESP_UPDATE_CSUM 0x80 /* encap-update ip header checksum */ +#define PDBOPTS_ESP_VERIFY_CSUM 0x20 /* decap-validate ip header checksum */ + +/* + * General IPSec encap/decap PDB definitions + */ + +/** + * ipsec_encap_cbc - PDB part for IPsec CBC encapsulation + * @iv: 16-byte array initialization vector + */ +struct ipsec_encap_cbc { + u8 iv[16]; +}; + +/** + * ipsec_encap_ctr - PDB part for IPsec CTR encapsulation + * @ctr_nonce: 4-byte array nonce + * @ctr_initial: initial count constant + * @iv: initialization vector + */ +struct ipsec_encap_ctr { + u8 ctr_nonce[4]; + u32 ctr_initial; + u64 iv; +}; + +/** + * ipsec_encap_ccm - PDB part for IPsec CCM encapsulation + * @salt: 3-byte array salt (lower 24 bits) + * @ccm_opt: CCM algorithm options - MSB-LSB description: + * b0_flags (8b) - CCM B0; use 0x5B for 8-byte ICV, 0x6B for 12-byte ICV, + * 0x7B for 16-byte ICV (cf. RFC4309, RFC3610) + * ctr_flags (8b) - counter flags; constant equal to 0x3 + * ctr_initial (16b) - initial count constant + * @iv: initialization vector + */ +struct ipsec_encap_ccm { + u8 salt[4]; + u32 ccm_opt; + u64 iv; +}; + +/** + * ipsec_encap_gcm - PDB part for IPsec GCM encapsulation + * @salt: 3-byte array salt (lower 24 bits) + * @rsvd: reserved, do not use + * @iv: initialization vector + */ +struct ipsec_encap_gcm { + u8 salt[4]; + u32 rsvd1; + u64 iv; +}; + +/** + * ipsec_encap_pdb - PDB for IPsec encapsulation + * @options: MSB-LSB description + * hmo (header manipulation options) - 4b + * reserved - 4b + * next header - 8b + * next header offset - 8b + * option flags (depend on selected algorithm) - 8b + * @seq_num_ext_hi: (optional) IPsec Extended Sequence Number (ESN) + * @seq_num: IPsec sequence number + * @spi: IPsec SPI (Security Parameters Index) + * @ip_hdr_len: optional IP Header length (in bytes) + * reserved - 16b + * Opt. IP Hdr Len - 16b + * @ip_hdr: optional IP Header content + */ +struct ipsec_encap_pdb { + u32 options; + u32 seq_num_ext_hi; + u32 seq_num; + union { + struct ipsec_encap_cbc cbc; + struct ipsec_encap_ctr ctr; + struct ipsec_encap_ccm ccm; + struct ipsec_encap_gcm gcm; + }; + u32 spi; + u32 ip_hdr_len; + u32 ip_hdr[0]; +}; + +/** + * ipsec_decap_cbc - PDB part for IPsec CBC decapsulation + * @rsvd: reserved, do not use + */ +struct ipsec_decap_cbc { + u32 rsvd[2]; +}; + +/** + * ipsec_decap_ctr - PDB part for IPsec CTR decapsulation + * @ctr_nonce: 4-byte array nonce + * @ctr_initial: initial count constant + */ +struct ipsec_decap_ctr { + u8 ctr_nonce[4]; + u32 ctr_initial; +}; + +/** + * ipsec_decap_ccm - PDB part for IPsec CCM decapsulation + * @salt: 3-byte salt (lower 24 bits) + * @ccm_opt: CCM algorithm options - MSB-LSB description: + * b0_flags (8b) - CCM B0; use 0x5B for 8-byte ICV, 0x6B for 12-byte ICV, + * 0x7B for 16-byte ICV (cf. RFC4309, RFC3610) + * ctr_flags (8b) - counter flags; constant equal to 0x3 + * ctr_initial (16b) - initial count constant + */ +struct ipsec_decap_ccm { + u8 salt[4]; + u32 ccm_opt; +}; + +/** + * ipsec_decap_gcm - PDB part for IPsec GCN decapsulation + * @salt: 4-byte salt + * @rsvd: reserved, do not use + */ +struct ipsec_decap_gcm { + u8 salt[4]; + u32 resvd; +}; + +/** + * ipsec_decap_pdb - PDB for IPsec decapsulation + * @options: MSB-LSB description + * hmo (header manipulation options) - 4b + * IP header length - 12b + * next header offset - 8b + * option flags (depend on selected algorithm) - 8b + * @seq_num_ext_hi: (optional) IPsec Extended Sequence Number (ESN) + * @seq_num: IPsec sequence number + * @anti_replay: Anti-replay window; size depends on ARS (option flags) + */ +struct ipsec_decap_pdb { + u32 options; + union { + struct ipsec_decap_cbc cbc; + struct ipsec_decap_ctr ctr; + struct ipsec_decap_ccm ccm; + struct ipsec_decap_gcm gcm; + }; + u32 seq_num_ext_hi; + u32 seq_num; + __be32 anti_replay[4]; +}; + +/* + * IPSec ESP Datapath Protocol Override Register (DPOVRD) + */ +struct ipsec_deco_dpovrd { +#define IPSEC_ENCAP_DECO_DPOVRD_USE 0x80 + u8 ovrd_ecn; + u8 ip_hdr_len; + u8 nh_offset; + u8 next_header; /* reserved if decap */ +}; + +/* + * IEEE 802.11i WiFi Protocol Data Block + */ +#define WIFI_PDBOPTS_FCS 0x01 +#define WIFI_PDBOPTS_AR 0x40 + +struct wifi_encap_pdb { + u16 mac_hdr_len; + u8 rsvd; + u8 options; + u8 iv_flags; + u8 pri; + u16 pn1; + u32 pn2; + u16 frm_ctrl_mask; + u16 seq_ctrl_mask; + u8 rsvd1[2]; + u8 cnst; + u8 key_id; + u8 ctr_flags; + u8 rsvd2; + u16 ctr_init; +}; + +struct wifi_decap_pdb { + u16 mac_hdr_len; + u8 rsvd; + u8 options; + u8 iv_flags; + u8 pri; + u16 pn1; + u32 pn2; + u16 frm_ctrl_mask; + u16 seq_ctrl_mask; + u8 rsvd1[4]; + u8 ctr_flags; + u8 rsvd2; + u16 ctr_init; +}; + +/* + * IEEE 802.16 WiMAX Protocol Data Block + */ +#define WIMAX_PDBOPTS_FCS 0x01 +#define WIMAX_PDBOPTS_AR 0x40 /* decap only */ + +struct wimax_encap_pdb { + u8 rsvd[3]; + u8 options; + u32 nonce; + u8 b0_flags; + u8 ctr_flags; + u16 ctr_init; + /* begin DECO writeback region */ + u32 pn; + /* end DECO writeback region */ +}; + +struct wimax_decap_pdb { + u8 rsvd[3]; + u8 options; + u32 nonce; + u8 iv_flags; + u8 ctr_flags; + u16 ctr_init; + /* begin DECO writeback region */ + u32 pn; + u8 rsvd1[2]; + u16 antireplay_len; + u64 antireplay_scorecard; + /* end DECO writeback region */ +}; + +/* + * IEEE 801.AE MacSEC Protocol Data Block + */ +#define MACSEC_PDBOPTS_FCS 0x01 +#define MACSEC_PDBOPTS_AR 0x40 /* used in decap only */ + +struct macsec_encap_pdb { + u16 aad_len; + u8 rsvd; + u8 options; + u64 sci; + u16 ethertype; + u8 tci_an; + u8 rsvd1; + /* begin DECO writeback region */ + u32 pn; + /* end DECO writeback region */ +}; + +struct macsec_decap_pdb { + u16 aad_len; + u8 rsvd; + u8 options; + u64 sci; + u8 rsvd1[3]; + /* begin DECO writeback region */ + u8 antireplay_len; + u32 pn; + u64 antireplay_scorecard; + /* end DECO writeback region */ +}; + +/* + * SSL/TLS/DTLS Protocol Data Blocks + */ + +#define TLS_PDBOPTS_ARS32 0x40 +#define TLS_PDBOPTS_ARS64 0xc0 +#define TLS_PDBOPTS_OUTFMT 0x08 +#define TLS_PDBOPTS_IV_WRTBK 0x02 /* 1.1/1.2/DTLS only */ +#define TLS_PDBOPTS_EXP_RND_IV 0x01 /* 1.1/1.2/DTLS only */ + +struct tls_block_encap_pdb { + u8 type; + u8 version[2]; + u8 options; + u64 seq_num; + u32 iv[4]; +}; + +struct tls_stream_encap_pdb { + u8 type; + u8 version[2]; + u8 options; + u64 seq_num; + u8 i; + u8 j; + u8 rsvd1[2]; +}; + +struct dtls_block_encap_pdb { + u8 type; + u8 version[2]; + u8 options; + u16 epoch; + u16 seq_num[3]; + u32 iv[4]; +}; + +struct tls_block_decap_pdb { + u8 rsvd[3]; + u8 options; + u64 seq_num; + u32 iv[4]; +}; + +struct tls_stream_decap_pdb { + u8 rsvd[3]; + u8 options; + u64 seq_num; + u8 i; + u8 j; + u8 rsvd1[2]; +}; + +struct dtls_block_decap_pdb { + u8 rsvd[3]; + u8 options; + u16 epoch; + u16 seq_num[3]; + u32 iv[4]; + u64 antireplay_scorecard; +}; + +/* + * SRTP Protocol Data Blocks + */ +#define SRTP_PDBOPTS_MKI 0x08 +#define SRTP_PDBOPTS_AR 0x40 + +struct srtp_encap_pdb { + u8 x_len; + u8 mki_len; + u8 n_tag; + u8 options; + u32 cnst0; + u8 rsvd[2]; + u16 cnst1; + u16 salt[7]; + u16 cnst2; + u32 rsvd1; + u32 roc; + u32 opt_mki; +}; + +struct srtp_decap_pdb { + u8 x_len; + u8 mki_len; + u8 n_tag; + u8 options; + u32 cnst0; + u8 rsvd[2]; + u16 cnst1; + u16 salt[7]; + u16 cnst2; + u16 rsvd1; + u16 seq_num; + u32 roc; + u64 antireplay_scorecard; +}; + +/* + * DSA/ECDSA Protocol Data Blocks + * Two of these exist: DSA-SIGN, and DSA-VERIFY. They are similar + * except for the treatment of "w" for verify, "s" for sign, + * and the placement of "a,b". + */ +#define DSA_PDB_SGF_SHIFT 24 +#define DSA_PDB_SGF_MASK (0xff << DSA_PDB_SGF_SHIFT) +#define DSA_PDB_SGF_Q (0x80 << DSA_PDB_SGF_SHIFT) +#define DSA_PDB_SGF_R (0x40 << DSA_PDB_SGF_SHIFT) +#define DSA_PDB_SGF_G (0x20 << DSA_PDB_SGF_SHIFT) +#define DSA_PDB_SGF_W (0x10 << DSA_PDB_SGF_SHIFT) +#define DSA_PDB_SGF_S (0x10 << DSA_PDB_SGF_SHIFT) +#define DSA_PDB_SGF_F (0x08 << DSA_PDB_SGF_SHIFT) +#define DSA_PDB_SGF_C (0x04 << DSA_PDB_SGF_SHIFT) +#define DSA_PDB_SGF_D (0x02 << DSA_PDB_SGF_SHIFT) +#define DSA_PDB_SGF_AB_SIGN (0x02 << DSA_PDB_SGF_SHIFT) +#define DSA_PDB_SGF_AB_VERIFY (0x01 << DSA_PDB_SGF_SHIFT) + +#define DSA_PDB_L_SHIFT 7 +#define DSA_PDB_L_MASK (0x3ff << DSA_PDB_L_SHIFT) + +#define DSA_PDB_N_MASK 0x7f + +struct dsa_sign_pdb { + u32 sgf_ln; /* Use DSA_PDB_ defintions per above */ + u8 *q; + u8 *r; + u8 *g; /* or Gx,y */ + u8 *s; + u8 *f; + u8 *c; + u8 *d; + u8 *ab; /* ECC only */ + u8 *u; +}; + +struct dsa_verify_pdb { + u32 sgf_ln; + u8 *q; + u8 *r; + u8 *g; /* or Gx,y */ + u8 *w; /* or Wx,y */ + u8 *f; + u8 *c; + u8 *d; + u8 *tmp; /* temporary data block */ + u8 *ab; /* only used if ECC processing */ +}; + +/* RSA Protocol Data Block */ +#define RSA_PDB_SGF_SHIFT 28 +#define RSA_PDB_E_SHIFT 12 +#define RSA_PDB_E_MASK (0xFFF << RSA_PDB_E_SHIFT) +#define RSA_PDB_D_SHIFT 12 +#define RSA_PDB_D_MASK (0xFFF << RSA_PDB_D_SHIFT) +#define RSA_PDB_Q_SHIFT 12 +#define RSA_PDB_Q_MASK (0xFFF << RSA_PDB_Q_SHIFT) + +#define RSA_PDB_SGF_F (0x8 << RSA_PDB_SGF_SHIFT) +#define RSA_PDB_SGF_G (0x4 << RSA_PDB_SGF_SHIFT) +#define RSA_PRIV_PDB_SGF_F (0x4 << RSA_PDB_SGF_SHIFT) +#define RSA_PRIV_PDB_SGF_G (0x8 << RSA_PDB_SGF_SHIFT) + +#define RSA_PRIV_KEY_FRM_1 0 +#define RSA_PRIV_KEY_FRM_2 1 +#define RSA_PRIV_KEY_FRM_3 2 + +/** + * RSA Encrypt Protocol Data Block + * @sgf: scatter-gather field + * @f_dma: dma address of input data + * @g_dma: dma address of encrypted output data + * @n_dma: dma address of RSA modulus + * @e_dma: dma address of RSA public exponent + * @f_len: length in octets of the input data + */ +struct rsa_pub_pdb { + u32 sgf; + dma_addr_t f_dma; + dma_addr_t g_dma; + dma_addr_t n_dma; + dma_addr_t e_dma; + u32 f_len; +} __packed; + +/** + * RSA Decrypt PDB - Private Key Form #1 + * @sgf: scatter-gather field + * @g_dma: dma address of encrypted input data + * @f_dma: dma address of output data + * @n_dma: dma address of RSA modulus + * @d_dma: dma address of RSA private exponent + */ +struct rsa_priv_f1_pdb { + u32 sgf; + dma_addr_t g_dma; + dma_addr_t f_dma; + dma_addr_t n_dma; + dma_addr_t d_dma; +} __packed; + +/** + * RSA Decrypt PDB - Private Key Form #2 + * @sgf : scatter-gather field + * @g_dma : dma address of encrypted input data + * @f_dma : dma address of output data + * @d_dma : dma address of RSA private exponent + * @p_dma : dma address of RSA prime factor p of RSA modulus n + * @q_dma : dma address of RSA prime factor q of RSA modulus n + * @tmp1_dma: dma address of temporary buffer. CAAM uses this temporary buffer + * as internal state buffer. It is assumed to be as long as p. + * @tmp2_dma: dma address of temporary buffer. CAAM uses this temporary buffer + * as internal state buffer. It is assumed to be as long as q. + * @p_q_len : length in bytes of first two prime factors of the RSA modulus n + */ +struct rsa_priv_f2_pdb { + u32 sgf; + dma_addr_t g_dma; + dma_addr_t f_dma; + dma_addr_t d_dma; + dma_addr_t p_dma; + dma_addr_t q_dma; + dma_addr_t tmp1_dma; + dma_addr_t tmp2_dma; + u32 p_q_len; +} __packed; + +/** + * RSA Decrypt PDB - Private Key Form #3 + * This is the RSA Chinese Reminder Theorem (CRT) form for two prime factors of + * the RSA modulus. + * @sgf : scatter-gather field + * @g_dma : dma address of encrypted input data + * @f_dma : dma address of output data + * @c_dma : dma address of RSA CRT coefficient + * @p_dma : dma address of RSA prime factor p of RSA modulus n + * @q_dma : dma address of RSA prime factor q of RSA modulus n + * @dp_dma : dma address of RSA CRT exponent of RSA prime factor p + * @dp_dma : dma address of RSA CRT exponent of RSA prime factor q + * @tmp1_dma: dma address of temporary buffer. CAAM uses this temporary buffer + * as internal state buffer. It is assumed to be as long as p. + * @tmp2_dma: dma address of temporary buffer. CAAM uses this temporary buffer + * as internal state buffer. It is assumed to be as long as q. + * @p_q_len : length in bytes of first two prime factors of the RSA modulus n + */ +struct rsa_priv_f3_pdb { + u32 sgf; + dma_addr_t g_dma; + dma_addr_t f_dma; + dma_addr_t c_dma; + dma_addr_t p_dma; + dma_addr_t q_dma; + dma_addr_t dp_dma; + dma_addr_t dq_dma; + dma_addr_t tmp1_dma; + dma_addr_t tmp2_dma; + u32 p_q_len; +} __packed; + +#endif diff --git a/drivers/crypto/caam/pkc_desc.c b/drivers/crypto/caam/pkc_desc.c new file mode 100644 index 000000000..2a8d87ea9 --- /dev/null +++ b/drivers/crypto/caam/pkc_desc.c @@ -0,0 +1,73 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * caam - Freescale FSL CAAM support for Public Key Cryptography descriptors + * + * Copyright 2016 Freescale Semiconductor, Inc. + * + * There is no Shared Descriptor for PKC so that the Job Descriptor must carry + * all the desired key parameters, input and output pointers. + */ +#include "caampkc.h" +#include "desc_constr.h" + +/* Descriptor for RSA Public operation */ +void init_rsa_pub_desc(u32 *desc, struct rsa_pub_pdb *pdb) +{ + init_job_desc_pdb(desc, 0, sizeof(*pdb)); + append_cmd(desc, pdb->sgf); + append_ptr(desc, pdb->f_dma); + append_ptr(desc, pdb->g_dma); + append_ptr(desc, pdb->n_dma); + append_ptr(desc, pdb->e_dma); + append_cmd(desc, pdb->f_len); + append_operation(desc, OP_TYPE_UNI_PROTOCOL | OP_PCLID_RSAENC_PUBKEY); +} + +/* Descriptor for RSA Private operation - Private Key Form #1 */ +void init_rsa_priv_f1_desc(u32 *desc, struct rsa_priv_f1_pdb *pdb) +{ + init_job_desc_pdb(desc, 0, sizeof(*pdb)); + append_cmd(desc, pdb->sgf); + append_ptr(desc, pdb->g_dma); + append_ptr(desc, pdb->f_dma); + append_ptr(desc, pdb->n_dma); + append_ptr(desc, pdb->d_dma); + append_operation(desc, OP_TYPE_UNI_PROTOCOL | OP_PCLID_RSADEC_PRVKEY | + RSA_PRIV_KEY_FRM_1); +} + +/* Descriptor for RSA Private operation - Private Key Form #2 */ +void init_rsa_priv_f2_desc(u32 *desc, struct rsa_priv_f2_pdb *pdb) +{ + init_job_desc_pdb(desc, 0, sizeof(*pdb)); + append_cmd(desc, pdb->sgf); + append_ptr(desc, pdb->g_dma); + append_ptr(desc, pdb->f_dma); + append_ptr(desc, pdb->d_dma); + append_ptr(desc, pdb->p_dma); + append_ptr(desc, pdb->q_dma); + append_ptr(desc, pdb->tmp1_dma); + append_ptr(desc, pdb->tmp2_dma); + append_cmd(desc, pdb->p_q_len); + append_operation(desc, OP_TYPE_UNI_PROTOCOL | OP_PCLID_RSADEC_PRVKEY | + RSA_PRIV_KEY_FRM_2); +} + +/* Descriptor for RSA Private operation - Private Key Form #3 */ +void init_rsa_priv_f3_desc(u32 *desc, struct rsa_priv_f3_pdb *pdb) +{ + init_job_desc_pdb(desc, 0, sizeof(*pdb)); + append_cmd(desc, pdb->sgf); + append_ptr(desc, pdb->g_dma); + append_ptr(desc, pdb->f_dma); + append_ptr(desc, pdb->c_dma); + append_ptr(desc, pdb->p_dma); + append_ptr(desc, pdb->q_dma); + append_ptr(desc, pdb->dp_dma); + append_ptr(desc, pdb->dq_dma); + append_ptr(desc, pdb->tmp1_dma); + append_ptr(desc, pdb->tmp2_dma); + append_cmd(desc, pdb->p_q_len); + append_operation(desc, OP_TYPE_UNI_PROTOCOL | OP_PCLID_RSADEC_PRVKEY | + RSA_PRIV_KEY_FRM_3); +} diff --git a/drivers/crypto/caam/qi.c b/drivers/crypto/caam/qi.c new file mode 100644 index 000000000..67f7f8c42 --- /dev/null +++ b/drivers/crypto/caam/qi.c @@ -0,0 +1,806 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * CAAM/SEC 4.x QI transport/backend driver + * Queue Interface backend functionality + * + * Copyright 2013-2016 Freescale Semiconductor, Inc. + * Copyright 2016-2017 NXP + */ + +#include <linux/cpumask.h> +#include <linux/kthread.h> +#include <soc/fsl/qman.h> + +#include "regs.h" +#include "qi.h" +#include "desc.h" +#include "intern.h" +#include "desc_constr.h" + +#define PREHDR_RSLS_SHIFT 31 + +/* + * Use a reasonable backlog of frames (per CPU) as congestion threshold, + * so that resources used by the in-flight buffers do not become a memory hog. + */ +#define MAX_RSP_FQ_BACKLOG_PER_CPU 256 + +#define CAAM_QI_ENQUEUE_RETRIES 10000 + +#define CAAM_NAPI_WEIGHT 63 + +/* + * caam_napi - struct holding CAAM NAPI-related params + * @irqtask: IRQ task for QI backend + * @p: QMan portal + */ +struct caam_napi { + struct napi_struct irqtask; + struct qman_portal *p; +}; + +/* + * caam_qi_pcpu_priv - percpu private data structure to main list of pending + * responses expected on each cpu. + * @caam_napi: CAAM NAPI params + * @net_dev: netdev used by NAPI + * @rsp_fq: response FQ from CAAM + */ +struct caam_qi_pcpu_priv { + struct caam_napi caam_napi; + struct net_device net_dev; + struct qman_fq *rsp_fq; +} ____cacheline_aligned; + +static DEFINE_PER_CPU(struct caam_qi_pcpu_priv, pcpu_qipriv); +static DEFINE_PER_CPU(int, last_cpu); + +/* + * caam_qi_priv - CAAM QI backend private params + * @cgr: QMan congestion group + * @qi_pdev: platform device for QI backend + */ +struct caam_qi_priv { + struct qman_cgr cgr; + struct platform_device *qi_pdev; +}; + +static struct caam_qi_priv qipriv ____cacheline_aligned; + +/* + * This is written by only one core - the one that initialized the CGR - and + * read by multiple cores (all the others). + */ +bool caam_congested __read_mostly; +EXPORT_SYMBOL(caam_congested); + +#ifdef CONFIG_DEBUG_FS +/* + * This is a counter for the number of times the congestion group (where all + * the request and response queueus are) reached congestion. Incremented + * each time the congestion callback is called with congested == true. + */ +static u64 times_congested; +#endif + +/* + * CPU from where the module initialised. This is required because QMan driver + * requires CGRs to be removed from same CPU from where they were originally + * allocated. + */ +static int mod_init_cpu; + +/* + * This is a a cache of buffers, from which the users of CAAM QI driver + * can allocate short (CAAM_QI_MEMCACHE_SIZE) buffers. It's faster than + * doing malloc on the hotpath. + * NOTE: A more elegant solution would be to have some headroom in the frames + * being processed. This could be added by the dpaa-ethernet driver. + * This would pose a problem for userspace application processing which + * cannot know of this limitation. So for now, this will work. + * NOTE: The memcache is SMP-safe. No need to handle spinlocks in-here + */ +static struct kmem_cache *qi_cache; + +int caam_qi_enqueue(struct device *qidev, struct caam_drv_req *req) +{ + struct qm_fd fd; + dma_addr_t addr; + int ret; + int num_retries = 0; + + qm_fd_clear_fd(&fd); + qm_fd_set_compound(&fd, qm_sg_entry_get_len(&req->fd_sgt[1])); + + addr = dma_map_single(qidev, req->fd_sgt, sizeof(req->fd_sgt), + DMA_BIDIRECTIONAL); + if (dma_mapping_error(qidev, addr)) { + dev_err(qidev, "DMA mapping error for QI enqueue request\n"); + return -EIO; + } + qm_fd_addr_set64(&fd, addr); + + do { + ret = qman_enqueue(req->drv_ctx->req_fq, &fd); + if (likely(!ret)) + return 0; + + if (ret != -EBUSY) + break; + num_retries++; + } while (num_retries < CAAM_QI_ENQUEUE_RETRIES); + + dev_err(qidev, "qman_enqueue failed: %d\n", ret); + + return ret; +} +EXPORT_SYMBOL(caam_qi_enqueue); + +static void caam_fq_ern_cb(struct qman_portal *qm, struct qman_fq *fq, + const union qm_mr_entry *msg) +{ + const struct qm_fd *fd; + struct caam_drv_req *drv_req; + struct device *qidev = &(raw_cpu_ptr(&pcpu_qipriv)->net_dev.dev); + + fd = &msg->ern.fd; + + if (qm_fd_get_format(fd) != qm_fd_compound) { + dev_err(qidev, "Non-compound FD from CAAM\n"); + return; + } + + drv_req = (struct caam_drv_req *)phys_to_virt(qm_fd_addr_get64(fd)); + if (!drv_req) { + dev_err(qidev, + "Can't find original request for CAAM response\n"); + return; + } + + dma_unmap_single(drv_req->drv_ctx->qidev, qm_fd_addr(fd), + sizeof(drv_req->fd_sgt), DMA_BIDIRECTIONAL); + + drv_req->cbk(drv_req, -EIO); +} + +static struct qman_fq *create_caam_req_fq(struct device *qidev, + struct qman_fq *rsp_fq, + dma_addr_t hwdesc, + int fq_sched_flag) +{ + int ret; + struct qman_fq *req_fq; + struct qm_mcc_initfq opts; + + req_fq = kzalloc(sizeof(*req_fq), GFP_ATOMIC); + if (!req_fq) + return ERR_PTR(-ENOMEM); + + req_fq->cb.ern = caam_fq_ern_cb; + req_fq->cb.fqs = NULL; + + ret = qman_create_fq(0, QMAN_FQ_FLAG_DYNAMIC_FQID | + QMAN_FQ_FLAG_TO_DCPORTAL, req_fq); + if (ret) { + dev_err(qidev, "Failed to create session req FQ\n"); + goto create_req_fq_fail; + } + + memset(&opts, 0, sizeof(opts)); + opts.we_mask = cpu_to_be16(QM_INITFQ_WE_FQCTRL | QM_INITFQ_WE_DESTWQ | + QM_INITFQ_WE_CONTEXTB | + QM_INITFQ_WE_CONTEXTA | QM_INITFQ_WE_CGID); + opts.fqd.fq_ctrl = cpu_to_be16(QM_FQCTRL_CPCSTASH | QM_FQCTRL_CGE); + qm_fqd_set_destwq(&opts.fqd, qm_channel_caam, 2); + opts.fqd.context_b = cpu_to_be32(qman_fq_fqid(rsp_fq)); + qm_fqd_context_a_set64(&opts.fqd, hwdesc); + opts.fqd.cgid = qipriv.cgr.cgrid; + + ret = qman_init_fq(req_fq, fq_sched_flag, &opts); + if (ret) { + dev_err(qidev, "Failed to init session req FQ\n"); + goto init_req_fq_fail; + } + + dev_dbg(qidev, "Allocated request FQ %u for CPU %u\n", req_fq->fqid, + smp_processor_id()); + return req_fq; + +init_req_fq_fail: + qman_destroy_fq(req_fq); +create_req_fq_fail: + kfree(req_fq); + return ERR_PTR(ret); +} + +static int empty_retired_fq(struct device *qidev, struct qman_fq *fq) +{ + int ret; + + ret = qman_volatile_dequeue(fq, QMAN_VOLATILE_FLAG_WAIT_INT | + QMAN_VOLATILE_FLAG_FINISH, + QM_VDQCR_PRECEDENCE_VDQCR | + QM_VDQCR_NUMFRAMES_TILLEMPTY); + if (ret) { + dev_err(qidev, "Volatile dequeue fail for FQ: %u\n", fq->fqid); + return ret; + } + + do { + struct qman_portal *p; + + p = qman_get_affine_portal(smp_processor_id()); + qman_p_poll_dqrr(p, 16); + } while (fq->flags & QMAN_FQ_STATE_NE); + + return 0; +} + +static int kill_fq(struct device *qidev, struct qman_fq *fq) +{ + u32 flags; + int ret; + + ret = qman_retire_fq(fq, &flags); + if (ret < 0) { + dev_err(qidev, "qman_retire_fq failed: %d\n", ret); + return ret; + } + + if (!ret) + goto empty_fq; + + /* Async FQ retirement condition */ + if (ret == 1) { + /* Retry till FQ gets in retired state */ + do { + msleep(20); + } while (fq->state != qman_fq_state_retired); + + WARN_ON(fq->flags & QMAN_FQ_STATE_BLOCKOOS); + WARN_ON(fq->flags & QMAN_FQ_STATE_ORL); + } + +empty_fq: + if (fq->flags & QMAN_FQ_STATE_NE) { + ret = empty_retired_fq(qidev, fq); + if (ret) { + dev_err(qidev, "empty_retired_fq fail for FQ: %u\n", + fq->fqid); + return ret; + } + } + + ret = qman_oos_fq(fq); + if (ret) + dev_err(qidev, "OOS of FQID: %u failed\n", fq->fqid); + + qman_destroy_fq(fq); + kfree(fq); + + return ret; +} + +static int empty_caam_fq(struct qman_fq *fq) +{ + int ret; + struct qm_mcr_queryfq_np np; + + /* Wait till the older CAAM FQ get empty */ + do { + ret = qman_query_fq_np(fq, &np); + if (ret) + return ret; + + if (!qm_mcr_np_get(&np, frm_cnt)) + break; + + msleep(20); + } while (1); + + /* + * Give extra time for pending jobs from this FQ in holding tanks + * to get processed + */ + msleep(20); + return 0; +} + +int caam_drv_ctx_update(struct caam_drv_ctx *drv_ctx, u32 *sh_desc) +{ + int ret; + u32 num_words; + struct qman_fq *new_fq, *old_fq; + struct device *qidev = drv_ctx->qidev; + + num_words = desc_len(sh_desc); + if (num_words > MAX_SDLEN) { + dev_err(qidev, "Invalid descriptor len: %d words\n", num_words); + return -EINVAL; + } + + /* Note down older req FQ */ + old_fq = drv_ctx->req_fq; + + /* Create a new req FQ in parked state */ + new_fq = create_caam_req_fq(drv_ctx->qidev, drv_ctx->rsp_fq, + drv_ctx->context_a, 0); + if (unlikely(IS_ERR_OR_NULL(new_fq))) { + dev_err(qidev, "FQ allocation for shdesc update failed\n"); + return PTR_ERR(new_fq); + } + + /* Hook up new FQ to context so that new requests keep queuing */ + drv_ctx->req_fq = new_fq; + + /* Empty and remove the older FQ */ + ret = empty_caam_fq(old_fq); + if (ret) { + dev_err(qidev, "Old CAAM FQ empty failed: %d\n", ret); + + /* We can revert to older FQ */ + drv_ctx->req_fq = old_fq; + + if (kill_fq(qidev, new_fq)) + dev_warn(qidev, "New CAAM FQ kill failed\n"); + + return ret; + } + + /* + * Re-initialise pre-header. Set RSLS and SDLEN. + * Update the shared descriptor for driver context. + */ + drv_ctx->prehdr[0] = cpu_to_caam32((1 << PREHDR_RSLS_SHIFT) | + num_words); + memcpy(drv_ctx->sh_desc, sh_desc, desc_bytes(sh_desc)); + dma_sync_single_for_device(qidev, drv_ctx->context_a, + sizeof(drv_ctx->sh_desc) + + sizeof(drv_ctx->prehdr), + DMA_BIDIRECTIONAL); + + /* Put the new FQ in scheduled state */ + ret = qman_schedule_fq(new_fq); + if (ret) { + dev_err(qidev, "Fail to sched new CAAM FQ, ecode = %d\n", ret); + + /* + * We can kill new FQ and revert to old FQ. + * Since the desc is already modified, it is success case + */ + + drv_ctx->req_fq = old_fq; + + if (kill_fq(qidev, new_fq)) + dev_warn(qidev, "New CAAM FQ kill failed\n"); + } else if (kill_fq(qidev, old_fq)) { + dev_warn(qidev, "Old CAAM FQ kill failed\n"); + } + + return 0; +} +EXPORT_SYMBOL(caam_drv_ctx_update); + +struct caam_drv_ctx *caam_drv_ctx_init(struct device *qidev, + int *cpu, + u32 *sh_desc) +{ + size_t size; + u32 num_words; + dma_addr_t hwdesc; + struct caam_drv_ctx *drv_ctx; + const cpumask_t *cpus = qman_affine_cpus(); + + num_words = desc_len(sh_desc); + if (num_words > MAX_SDLEN) { + dev_err(qidev, "Invalid descriptor len: %d words\n", + num_words); + return ERR_PTR(-EINVAL); + } + + drv_ctx = kzalloc(sizeof(*drv_ctx), GFP_ATOMIC); + if (!drv_ctx) + return ERR_PTR(-ENOMEM); + + /* + * Initialise pre-header - set RSLS and SDLEN - and shared descriptor + * and dma-map them. + */ + drv_ctx->prehdr[0] = cpu_to_caam32((1 << PREHDR_RSLS_SHIFT) | + num_words); + memcpy(drv_ctx->sh_desc, sh_desc, desc_bytes(sh_desc)); + size = sizeof(drv_ctx->prehdr) + sizeof(drv_ctx->sh_desc); + hwdesc = dma_map_single(qidev, drv_ctx->prehdr, size, + DMA_BIDIRECTIONAL); + if (dma_mapping_error(qidev, hwdesc)) { + dev_err(qidev, "DMA map error for preheader + shdesc\n"); + kfree(drv_ctx); + return ERR_PTR(-ENOMEM); + } + drv_ctx->context_a = hwdesc; + + /* If given CPU does not own the portal, choose another one that does */ + if (!cpumask_test_cpu(*cpu, cpus)) { + int *pcpu = &get_cpu_var(last_cpu); + + *pcpu = cpumask_next(*pcpu, cpus); + if (*pcpu >= nr_cpu_ids) + *pcpu = cpumask_first(cpus); + *cpu = *pcpu; + + put_cpu_var(last_cpu); + } + drv_ctx->cpu = *cpu; + + /* Find response FQ hooked with this CPU */ + drv_ctx->rsp_fq = per_cpu(pcpu_qipriv.rsp_fq, drv_ctx->cpu); + + /* Attach request FQ */ + drv_ctx->req_fq = create_caam_req_fq(qidev, drv_ctx->rsp_fq, hwdesc, + QMAN_INITFQ_FLAG_SCHED); + if (unlikely(IS_ERR_OR_NULL(drv_ctx->req_fq))) { + dev_err(qidev, "create_caam_req_fq failed\n"); + dma_unmap_single(qidev, hwdesc, size, DMA_BIDIRECTIONAL); + kfree(drv_ctx); + return ERR_PTR(-ENOMEM); + } + + drv_ctx->qidev = qidev; + return drv_ctx; +} +EXPORT_SYMBOL(caam_drv_ctx_init); + +void *qi_cache_alloc(gfp_t flags) +{ + return kmem_cache_alloc(qi_cache, flags); +} +EXPORT_SYMBOL(qi_cache_alloc); + +void qi_cache_free(void *obj) +{ + kmem_cache_free(qi_cache, obj); +} +EXPORT_SYMBOL(qi_cache_free); + +static int caam_qi_poll(struct napi_struct *napi, int budget) +{ + struct caam_napi *np = container_of(napi, struct caam_napi, irqtask); + + int cleaned = qman_p_poll_dqrr(np->p, budget); + + if (cleaned < budget) { + napi_complete(napi); + qman_p_irqsource_add(np->p, QM_PIRQ_DQRI); + } + + return cleaned; +} + +void caam_drv_ctx_rel(struct caam_drv_ctx *drv_ctx) +{ + if (IS_ERR_OR_NULL(drv_ctx)) + return; + + /* Remove request FQ */ + if (kill_fq(drv_ctx->qidev, drv_ctx->req_fq)) + dev_err(drv_ctx->qidev, "Crypto session req FQ kill failed\n"); + + dma_unmap_single(drv_ctx->qidev, drv_ctx->context_a, + sizeof(drv_ctx->sh_desc) + sizeof(drv_ctx->prehdr), + DMA_BIDIRECTIONAL); + kfree(drv_ctx); +} +EXPORT_SYMBOL(caam_drv_ctx_rel); + +int caam_qi_shutdown(struct device *qidev) +{ + int i, ret; + struct caam_qi_priv *priv = dev_get_drvdata(qidev); + const cpumask_t *cpus = qman_affine_cpus(); + struct cpumask old_cpumask = current->cpus_allowed; + + for_each_cpu(i, cpus) { + struct napi_struct *irqtask; + + irqtask = &per_cpu_ptr(&pcpu_qipriv.caam_napi, i)->irqtask; + napi_disable(irqtask); + netif_napi_del(irqtask); + + if (kill_fq(qidev, per_cpu(pcpu_qipriv.rsp_fq, i))) + dev_err(qidev, "Rsp FQ kill failed, cpu: %d\n", i); + } + + /* + * QMan driver requires CGRs to be deleted from same CPU from where they + * were instantiated. Hence we get the module removal execute from the + * same CPU from where it was originally inserted. + */ + set_cpus_allowed_ptr(current, get_cpu_mask(mod_init_cpu)); + + ret = qman_delete_cgr(&priv->cgr); + if (ret) + dev_err(qidev, "Deletion of CGR failed: %d\n", ret); + else + qman_release_cgrid(priv->cgr.cgrid); + + kmem_cache_destroy(qi_cache); + + /* Now that we're done with the CGRs, restore the cpus allowed mask */ + set_cpus_allowed_ptr(current, &old_cpumask); + + platform_device_unregister(priv->qi_pdev); + return ret; +} + +static void cgr_cb(struct qman_portal *qm, struct qman_cgr *cgr, int congested) +{ + caam_congested = congested; + + if (congested) { +#ifdef CONFIG_DEBUG_FS + times_congested++; +#endif + pr_debug_ratelimited("CAAM entered congestion\n"); + + } else { + pr_debug_ratelimited("CAAM exited congestion\n"); + } +} + +static int caam_qi_napi_schedule(struct qman_portal *p, struct caam_napi *np) +{ + /* + * In case of threaded ISR, for RT kernels in_irq() does not return + * appropriate value, so use in_serving_softirq to distinguish between + * softirq and irq contexts. + */ + if (unlikely(in_irq() || !in_serving_softirq())) { + /* Disable QMan IRQ source and invoke NAPI */ + qman_p_irqsource_remove(p, QM_PIRQ_DQRI); + np->p = p; + napi_schedule(&np->irqtask); + return 1; + } + return 0; +} + +static enum qman_cb_dqrr_result caam_rsp_fq_dqrr_cb(struct qman_portal *p, + struct qman_fq *rsp_fq, + const struct qm_dqrr_entry *dqrr) +{ + struct caam_napi *caam_napi = raw_cpu_ptr(&pcpu_qipriv.caam_napi); + struct caam_drv_req *drv_req; + const struct qm_fd *fd; + struct device *qidev = &(raw_cpu_ptr(&pcpu_qipriv)->net_dev.dev); + u32 status; + + if (caam_qi_napi_schedule(p, caam_napi)) + return qman_cb_dqrr_stop; + + fd = &dqrr->fd; + status = be32_to_cpu(fd->status); + if (unlikely(status)) { + u32 ssrc = status & JRSTA_SSRC_MASK; + u8 err_id = status & JRSTA_CCBERR_ERRID_MASK; + + if (ssrc != JRSTA_SSRC_CCB_ERROR || + err_id != JRSTA_CCBERR_ERRID_ICVCHK) + dev_err(qidev, "Error: %#x in CAAM response FD\n", + status); + } + + if (unlikely(qm_fd_get_format(fd) != qm_fd_compound)) { + dev_err(qidev, "Non-compound FD from CAAM\n"); + return qman_cb_dqrr_consume; + } + + drv_req = (struct caam_drv_req *)phys_to_virt(qm_fd_addr_get64(fd)); + if (unlikely(!drv_req)) { + dev_err(qidev, + "Can't find original request for caam response\n"); + return qman_cb_dqrr_consume; + } + + dma_unmap_single(drv_req->drv_ctx->qidev, qm_fd_addr(fd), + sizeof(drv_req->fd_sgt), DMA_BIDIRECTIONAL); + + drv_req->cbk(drv_req, status); + return qman_cb_dqrr_consume; +} + +static int alloc_rsp_fq_cpu(struct device *qidev, unsigned int cpu) +{ + struct qm_mcc_initfq opts; + struct qman_fq *fq; + int ret; + + fq = kzalloc(sizeof(*fq), GFP_KERNEL | GFP_DMA); + if (!fq) + return -ENOMEM; + + fq->cb.dqrr = caam_rsp_fq_dqrr_cb; + + ret = qman_create_fq(0, QMAN_FQ_FLAG_NO_ENQUEUE | + QMAN_FQ_FLAG_DYNAMIC_FQID, fq); + if (ret) { + dev_err(qidev, "Rsp FQ create failed\n"); + kfree(fq); + return -ENODEV; + } + + memset(&opts, 0, sizeof(opts)); + opts.we_mask = cpu_to_be16(QM_INITFQ_WE_FQCTRL | QM_INITFQ_WE_DESTWQ | + QM_INITFQ_WE_CONTEXTB | + QM_INITFQ_WE_CONTEXTA | QM_INITFQ_WE_CGID); + opts.fqd.fq_ctrl = cpu_to_be16(QM_FQCTRL_CTXASTASHING | + QM_FQCTRL_CPCSTASH | QM_FQCTRL_CGE); + qm_fqd_set_destwq(&opts.fqd, qman_affine_channel(cpu), 3); + opts.fqd.cgid = qipriv.cgr.cgrid; + opts.fqd.context_a.stashing.exclusive = QM_STASHING_EXCL_CTX | + QM_STASHING_EXCL_DATA; + qm_fqd_set_stashing(&opts.fqd, 0, 1, 1); + + ret = qman_init_fq(fq, QMAN_INITFQ_FLAG_SCHED, &opts); + if (ret) { + dev_err(qidev, "Rsp FQ init failed\n"); + kfree(fq); + return -ENODEV; + } + + per_cpu(pcpu_qipriv.rsp_fq, cpu) = fq; + + dev_dbg(qidev, "Allocated response FQ %u for CPU %u", fq->fqid, cpu); + return 0; +} + +static int init_cgr(struct device *qidev) +{ + int ret; + struct qm_mcc_initcgr opts; + const u64 val = (u64)cpumask_weight(qman_affine_cpus()) * + MAX_RSP_FQ_BACKLOG_PER_CPU; + + ret = qman_alloc_cgrid(&qipriv.cgr.cgrid); + if (ret) { + dev_err(qidev, "CGR alloc failed for rsp FQs: %d\n", ret); + return ret; + } + + qipriv.cgr.cb = cgr_cb; + memset(&opts, 0, sizeof(opts)); + opts.we_mask = cpu_to_be16(QM_CGR_WE_CSCN_EN | QM_CGR_WE_CS_THRES | + QM_CGR_WE_MODE); + opts.cgr.cscn_en = QM_CGR_EN; + opts.cgr.mode = QMAN_CGR_MODE_FRAME; + qm_cgr_cs_thres_set64(&opts.cgr.cs_thres, val, 1); + + ret = qman_create_cgr(&qipriv.cgr, QMAN_CGR_FLAG_USE_INIT, &opts); + if (ret) { + dev_err(qidev, "Error %d creating CAAM CGRID: %u\n", ret, + qipriv.cgr.cgrid); + return ret; + } + + dev_dbg(qidev, "Congestion threshold set to %llu\n", val); + return 0; +} + +static int alloc_rsp_fqs(struct device *qidev) +{ + int ret, i; + const cpumask_t *cpus = qman_affine_cpus(); + + /*Now create response FQs*/ + for_each_cpu(i, cpus) { + ret = alloc_rsp_fq_cpu(qidev, i); + if (ret) { + dev_err(qidev, "CAAM rsp FQ alloc failed, cpu: %u", i); + return ret; + } + } + + return 0; +} + +static void free_rsp_fqs(void) +{ + int i; + const cpumask_t *cpus = qman_affine_cpus(); + + for_each_cpu(i, cpus) + kfree(per_cpu(pcpu_qipriv.rsp_fq, i)); +} + +int caam_qi_init(struct platform_device *caam_pdev) +{ + int err, i; + struct platform_device *qi_pdev; + struct device *ctrldev = &caam_pdev->dev, *qidev; + struct caam_drv_private *ctrlpriv; + const cpumask_t *cpus = qman_affine_cpus(); + struct cpumask old_cpumask = current->cpus_allowed; + static struct platform_device_info qi_pdev_info = { + .name = "caam_qi", + .id = PLATFORM_DEVID_NONE + }; + + /* + * QMAN requires CGRs to be removed from same CPU+portal from where it + * was originally allocated. Hence we need to note down the + * initialisation CPU and use the same CPU for module exit. + * We select the first CPU to from the list of portal owning CPUs. + * Then we pin module init to this CPU. + */ + mod_init_cpu = cpumask_first(cpus); + set_cpus_allowed_ptr(current, get_cpu_mask(mod_init_cpu)); + + qi_pdev_info.parent = ctrldev; + qi_pdev_info.dma_mask = dma_get_mask(ctrldev); + qi_pdev = platform_device_register_full(&qi_pdev_info); + if (IS_ERR(qi_pdev)) + return PTR_ERR(qi_pdev); + set_dma_ops(&qi_pdev->dev, get_dma_ops(ctrldev)); + + ctrlpriv = dev_get_drvdata(ctrldev); + qidev = &qi_pdev->dev; + + qipriv.qi_pdev = qi_pdev; + dev_set_drvdata(qidev, &qipriv); + + /* Initialize the congestion detection */ + err = init_cgr(qidev); + if (err) { + dev_err(qidev, "CGR initialization failed: %d\n", err); + platform_device_unregister(qi_pdev); + return err; + } + + /* Initialise response FQs */ + err = alloc_rsp_fqs(qidev); + if (err) { + dev_err(qidev, "Can't allocate CAAM response FQs: %d\n", err); + free_rsp_fqs(); + platform_device_unregister(qi_pdev); + return err; + } + + /* + * Enable the NAPI contexts on each of the core which has an affine + * portal. + */ + for_each_cpu(i, cpus) { + struct caam_qi_pcpu_priv *priv = per_cpu_ptr(&pcpu_qipriv, i); + struct caam_napi *caam_napi = &priv->caam_napi; + struct napi_struct *irqtask = &caam_napi->irqtask; + struct net_device *net_dev = &priv->net_dev; + + net_dev->dev = *qidev; + INIT_LIST_HEAD(&net_dev->napi_list); + + netif_napi_add(net_dev, irqtask, caam_qi_poll, + CAAM_NAPI_WEIGHT); + + napi_enable(irqtask); + } + + /* Hook up QI device to parent controlling caam device */ + ctrlpriv->qidev = qidev; + + qi_cache = kmem_cache_create("caamqicache", CAAM_QI_MEMCACHE_SIZE, 0, + SLAB_CACHE_DMA, NULL); + if (!qi_cache) { + dev_err(qidev, "Can't allocate CAAM cache\n"); + free_rsp_fqs(); + platform_device_unregister(qi_pdev); + return -ENOMEM; + } + + /* Done with the CGRs; restore the cpus allowed mask */ + set_cpus_allowed_ptr(current, &old_cpumask); +#ifdef CONFIG_DEBUG_FS + debugfs_create_file("qi_congested", 0444, ctrlpriv->ctl, + ×_congested, &caam_fops_u64_ro); +#endif + dev_info(qidev, "Linux CAAM Queue I/F driver initialised\n"); + return 0; +} diff --git a/drivers/crypto/caam/qi.h b/drivers/crypto/caam/qi.h new file mode 100644 index 000000000..357b69f57 --- /dev/null +++ b/drivers/crypto/caam/qi.h @@ -0,0 +1,205 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Public definitions for the CAAM/QI (Queue Interface) backend. + * + * Copyright 2013-2016 Freescale Semiconductor, Inc. + * Copyright 2016-2017 NXP + */ + +#ifndef __QI_H__ +#define __QI_H__ + +#include <soc/fsl/qman.h> +#include "compat.h" +#include "desc.h" +#include "desc_constr.h" + +/* + * CAAM hardware constructs a job descriptor which points to a shared descriptor + * (as pointed by context_a of to-CAAM FQ). + * When the job descriptor is executed by DECO, the whole job descriptor + * together with shared descriptor gets loaded in DECO buffer, which is + * 64 words (each 32-bit) long. + * + * The job descriptor constructed by CAAM hardware has the following layout: + * + * HEADER (1 word) + * Shdesc ptr (1 or 2 words) + * SEQ_OUT_PTR (1 word) + * Out ptr (1 or 2 words) + * Out length (1 word) + * SEQ_IN_PTR (1 word) + * In ptr (1 or 2 words) + * In length (1 word) + * + * The shdesc ptr is used to fetch shared descriptor contents into DECO buffer. + * + * Apart from shdesc contents, the total number of words that get loaded in DECO + * buffer are '8' or '11'. The remaining words in DECO buffer can be used for + * storing shared descriptor. + */ +#define MAX_SDLEN ((CAAM_DESC_BYTES_MAX - DESC_JOB_IO_LEN) / CAAM_CMD_SZ) + +/* Length of a single buffer in the QI driver memory cache */ +#define CAAM_QI_MEMCACHE_SIZE 768 + +extern bool caam_congested __read_mostly; + +/* + * This is the request structure the driver application should fill while + * submitting a job to driver. + */ +struct caam_drv_req; + +/* + * caam_qi_cbk - application's callback function invoked by the driver when the + * request has been successfully processed. + * @drv_req: original request that was submitted + * @status: completion status of request (0 - success, non-zero - error code) + */ +typedef void (*caam_qi_cbk)(struct caam_drv_req *drv_req, u32 status); + +enum optype { + ENCRYPT, + DECRYPT, + GIVENCRYPT, + NUM_OP +}; + +/** + * caam_drv_ctx - CAAM/QI backend driver context + * + * The jobs are processed by the driver against a driver context. + * With every cryptographic context, a driver context is attached. + * The driver context contains data for private use by driver. + * For the applications, this is an opaque structure. + * + * @prehdr: preheader placed before shrd desc + * @sh_desc: shared descriptor + * @context_a: shared descriptor dma address + * @req_fq: to-CAAM request frame queue + * @rsp_fq: from-CAAM response frame queue + * @cpu: cpu on which to receive CAAM response + * @op_type: operation type + * @qidev: device pointer for CAAM/QI backend + */ +struct caam_drv_ctx { + u32 prehdr[2]; + u32 sh_desc[MAX_SDLEN]; + dma_addr_t context_a; + struct qman_fq *req_fq; + struct qman_fq *rsp_fq; + int cpu; + enum optype op_type; + struct device *qidev; +} ____cacheline_aligned; + +/** + * caam_drv_req - The request structure the driver application should fill while + * submitting a job to driver. + * @fd_sgt: QMan S/G pointing to output (fd_sgt[0]) and input (fd_sgt[1]) + * buffers. + * @cbk: callback function to invoke when job is completed + * @app_ctx: arbitrary context attached with request by the application + * + * The fields mentioned below should not be used by application. + * These are for private use by driver. + * + * @hdr__: linked list header to maintain list of outstanding requests to CAAM + * @hwaddr: DMA address for the S/G table. + */ +struct caam_drv_req { + struct qm_sg_entry fd_sgt[2]; + struct caam_drv_ctx *drv_ctx; + caam_qi_cbk cbk; + void *app_ctx; +} ____cacheline_aligned; + +/** + * caam_drv_ctx_init - Initialise a CAAM/QI driver context + * + * A CAAM/QI driver context must be attached with each cryptographic context. + * This function allocates memory for CAAM/QI context and returns a handle to + * the application. This handle must be submitted along with each enqueue + * request to the driver by the application. + * + * @cpu: CPU where the application prefers to the driver to receive CAAM + * responses. The request completion callback would be issued from this + * CPU. + * @sh_desc: shared descriptor pointer to be attached with CAAM/QI driver + * context. + * + * Returns a driver context on success or negative error code on failure. + */ +struct caam_drv_ctx *caam_drv_ctx_init(struct device *qidev, int *cpu, + u32 *sh_desc); + +/** + * caam_qi_enqueue - Submit a request to QI backend driver. + * + * The request structure must be properly filled as described above. + * + * @qidev: device pointer for QI backend + * @req: CAAM QI request structure + * + * Returns 0 on success or negative error code on failure. + */ +int caam_qi_enqueue(struct device *qidev, struct caam_drv_req *req); + +/** + * caam_drv_ctx_busy - Check if there are too many jobs pending with CAAM + * or too many CAAM responses are pending to be processed. + * @drv_ctx: driver context for which job is to be submitted + * + * Returns caam congestion status 'true/false' + */ +bool caam_drv_ctx_busy(struct caam_drv_ctx *drv_ctx); + +/** + * caam_drv_ctx_update - Update QI driver context + * + * Invoked when shared descriptor is required to be change in driver context. + * + * @drv_ctx: driver context to be updated + * @sh_desc: new shared descriptor pointer to be updated in QI driver context + * + * Returns 0 on success or negative error code on failure. + */ +int caam_drv_ctx_update(struct caam_drv_ctx *drv_ctx, u32 *sh_desc); + +/** + * caam_drv_ctx_rel - Release a QI driver context + * @drv_ctx: context to be released + */ +void caam_drv_ctx_rel(struct caam_drv_ctx *drv_ctx); + +int caam_qi_init(struct platform_device *pdev); +int caam_qi_shutdown(struct device *dev); + +/** + * qi_cache_alloc - Allocate buffers from CAAM-QI cache + * + * Invoked when a user of the CAAM-QI (i.e. caamalg-qi) needs data which has + * to be allocated on the hotpath. Instead of using malloc, one can use the + * services of the CAAM QI memory cache (backed by kmem_cache). The buffers + * will have a size of 256B, which is sufficient for hosting 16 SG entries. + * + * @flags: flags that would be used for the equivalent malloc(..) call + * + * Returns a pointer to a retrieved buffer on success or NULL on failure. + */ +void *qi_cache_alloc(gfp_t flags); + +/** + * qi_cache_free - Frees buffers allocated from CAAM-QI cache + * + * Invoked when a user of the CAAM-QI (i.e. caamalg-qi) no longer needs + * the buffer previously allocated by a qi_cache_alloc call. + * No checking is being done, the call is a passthrough call to + * kmem_cache_free(...) + * + * @obj: object previously allocated using qi_cache_alloc() + */ +void qi_cache_free(void *obj); + +#endif /* __QI_H__ */ diff --git a/drivers/crypto/caam/regs.h b/drivers/crypto/caam/regs.h new file mode 100644 index 000000000..ce3f9ad71 --- /dev/null +++ b/drivers/crypto/caam/regs.h @@ -0,0 +1,895 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * CAAM hardware register-level view + * + * Copyright 2008-2011 Freescale Semiconductor, Inc. + */ + +#ifndef REGS_H +#define REGS_H + +#include <linux/types.h> +#include <linux/bitops.h> +#include <linux/io.h> + +/* + * Architecture-specific register access methods + * + * CAAM's bus-addressable registers are 64 bits internally. + * They have been wired to be safely accessible on 32-bit + * architectures, however. Registers were organized such + * that (a) they can be contained in 32 bits, (b) if not, then they + * can be treated as two 32-bit entities, or finally (c) if they + * must be treated as a single 64-bit value, then this can safely + * be done with two 32-bit cycles. + * + * For 32-bit operations on 64-bit values, CAAM follows the same + * 64-bit register access conventions as it's predecessors, in that + * writes are "triggered" by a write to the register at the numerically + * higher address, thus, a full 64-bit write cycle requires a write + * to the lower address, followed by a write to the higher address, + * which will latch/execute the write cycle. + * + * For example, let's assume a SW reset of CAAM through the master + * configuration register. + * - SWRST is in bit 31 of MCFG. + * - MCFG begins at base+0x0000. + * - Bits 63-32 are a 32-bit word at base+0x0000 (numerically-lower) + * - Bits 31-0 are a 32-bit word at base+0x0004 (numerically-higher) + * + * (and on Power, the convention is 0-31, 32-63, I know...) + * + * Assuming a 64-bit write to this MCFG to perform a software reset + * would then require a write of 0 to base+0x0000, followed by a + * write of 0x80000000 to base+0x0004, which would "execute" the + * reset. + * + * Of course, since MCFG 63-32 is all zero, we could cheat and simply + * write 0x8000000 to base+0x0004, and the reset would work fine. + * However, since CAAM does contain some write-and-read-intended + * 64-bit registers, this code defines 64-bit access methods for + * the sake of internal consistency and simplicity, and so that a + * clean transition to 64-bit is possible when it becomes necessary. + * + * There are limitations to this that the developer must recognize. + * 32-bit architectures cannot enforce an atomic-64 operation, + * Therefore: + * + * - On writes, since the HW is assumed to latch the cycle on the + * write of the higher-numeric-address word, then ordered + * writes work OK. + * + * - For reads, where a register contains a relevant value of more + * that 32 bits, the hardware employs logic to latch the other + * "half" of the data until read, ensuring an accurate value. + * This is of particular relevance when dealing with CAAM's + * performance counters. + * + */ + +extern bool caam_little_end; +extern bool caam_imx; + +#define caam_to_cpu(len) \ +static inline u##len caam##len ## _to_cpu(u##len val) \ +{ \ + if (caam_little_end) \ + return le##len ## _to_cpu((__force __le##len)val); \ + else \ + return be##len ## _to_cpu((__force __be##len)val); \ +} + +#define cpu_to_caam(len) \ +static inline u##len cpu_to_caam##len(u##len val) \ +{ \ + if (caam_little_end) \ + return (__force u##len)cpu_to_le##len(val); \ + else \ + return (__force u##len)cpu_to_be##len(val); \ +} + +caam_to_cpu(16) +caam_to_cpu(32) +caam_to_cpu(64) +cpu_to_caam(16) +cpu_to_caam(32) +cpu_to_caam(64) + +static inline void wr_reg32(void __iomem *reg, u32 data) +{ + if (caam_little_end) + iowrite32(data, reg); + else + iowrite32be(data, reg); +} + +static inline u32 rd_reg32(void __iomem *reg) +{ + if (caam_little_end) + return ioread32(reg); + + return ioread32be(reg); +} + +static inline void clrsetbits_32(void __iomem *reg, u32 clear, u32 set) +{ + if (caam_little_end) + iowrite32((ioread32(reg) & ~clear) | set, reg); + else + iowrite32be((ioread32be(reg) & ~clear) | set, reg); +} + +/* + * The only users of these wr/rd_reg64 functions is the Job Ring (JR). + * The DMA address registers in the JR are handled differently depending on + * platform: + * + * 1. All BE CAAM platforms and i.MX platforms (LE CAAM): + * + * base + 0x0000 : most-significant 32 bits + * base + 0x0004 : least-significant 32 bits + * + * The 32-bit version of this core therefore has to write to base + 0x0004 + * to set the 32-bit wide DMA address. + * + * 2. All other LE CAAM platforms (LS1021A etc.) + * base + 0x0000 : least-significant 32 bits + * base + 0x0004 : most-significant 32 bits + */ +#ifdef CONFIG_64BIT +static inline void wr_reg64(void __iomem *reg, u64 data) +{ + if (caam_little_end) + iowrite64(data, reg); + else + iowrite64be(data, reg); +} + +static inline u64 rd_reg64(void __iomem *reg) +{ + if (caam_little_end) + return ioread64(reg); + else + return ioread64be(reg); +} + +#else /* CONFIG_64BIT */ +static inline void wr_reg64(void __iomem *reg, u64 data) +{ + if (!caam_imx && caam_little_end) { + wr_reg32((u32 __iomem *)(reg) + 1, data >> 32); + wr_reg32((u32 __iomem *)(reg), data); + } else { + wr_reg32((u32 __iomem *)(reg), data >> 32); + wr_reg32((u32 __iomem *)(reg) + 1, data); + } +} + +static inline u64 rd_reg64(void __iomem *reg) +{ + if (!caam_imx && caam_little_end) + return ((u64)rd_reg32((u32 __iomem *)(reg) + 1) << 32 | + (u64)rd_reg32((u32 __iomem *)(reg))); + + return ((u64)rd_reg32((u32 __iomem *)(reg)) << 32 | + (u64)rd_reg32((u32 __iomem *)(reg) + 1)); +} +#endif /* CONFIG_64BIT */ + +static inline u64 cpu_to_caam_dma64(dma_addr_t value) +{ + if (caam_imx) + return (((u64)cpu_to_caam32(lower_32_bits(value)) << 32) | + (u64)cpu_to_caam32(upper_32_bits(value))); + + return cpu_to_caam64(value); +} + +static inline u64 caam_dma64_to_cpu(u64 value) +{ + if (caam_imx) + return (((u64)caam32_to_cpu(lower_32_bits(value)) << 32) | + (u64)caam32_to_cpu(upper_32_bits(value))); + + return caam64_to_cpu(value); +} + +#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT +#define cpu_to_caam_dma(value) cpu_to_caam_dma64(value) +#define caam_dma_to_cpu(value) caam_dma64_to_cpu(value) +#else +#define cpu_to_caam_dma(value) cpu_to_caam32(value) +#define caam_dma_to_cpu(value) caam32_to_cpu(value) +#endif /* CONFIG_ARCH_DMA_ADDR_T_64BIT */ + +/* + * jr_outentry + * Represents each entry in a JobR output ring + */ +struct jr_outentry { + dma_addr_t desc;/* Pointer to completed descriptor */ + u32 jrstatus; /* Status for completed descriptor */ +} __packed; + +/* + * caam_perfmon - Performance Monitor/Secure Memory Status/ + * CAAM Global Status/Component Version IDs + * + * Spans f00-fff wherever instantiated + */ + +/* Number of DECOs */ +#define CHA_NUM_MS_DECONUM_SHIFT 24 +#define CHA_NUM_MS_DECONUM_MASK (0xfull << CHA_NUM_MS_DECONUM_SHIFT) + +/* + * CHA version IDs / instantiation bitfields + * Defined for use with the cha_id fields in perfmon, but the same shift/mask + * selectors can be used to pull out the number of instantiated blocks within + * cha_num fields in perfmon because the locations are the same. + */ +#define CHA_ID_LS_AES_SHIFT 0 +#define CHA_ID_LS_AES_MASK (0xfull << CHA_ID_LS_AES_SHIFT) +#define CHA_ID_LS_AES_LP (0x3ull << CHA_ID_LS_AES_SHIFT) +#define CHA_ID_LS_AES_HP (0x4ull << CHA_ID_LS_AES_SHIFT) + +#define CHA_ID_LS_DES_SHIFT 4 +#define CHA_ID_LS_DES_MASK (0xfull << CHA_ID_LS_DES_SHIFT) + +#define CHA_ID_LS_ARC4_SHIFT 8 +#define CHA_ID_LS_ARC4_MASK (0xfull << CHA_ID_LS_ARC4_SHIFT) + +#define CHA_ID_LS_MD_SHIFT 12 +#define CHA_ID_LS_MD_MASK (0xfull << CHA_ID_LS_MD_SHIFT) +#define CHA_ID_LS_MD_LP256 (0x0ull << CHA_ID_LS_MD_SHIFT) +#define CHA_ID_LS_MD_LP512 (0x1ull << CHA_ID_LS_MD_SHIFT) +#define CHA_ID_LS_MD_HP (0x2ull << CHA_ID_LS_MD_SHIFT) + +#define CHA_ID_LS_RNG_SHIFT 16 +#define CHA_ID_LS_RNG_MASK (0xfull << CHA_ID_LS_RNG_SHIFT) + +#define CHA_ID_LS_SNW8_SHIFT 20 +#define CHA_ID_LS_SNW8_MASK (0xfull << CHA_ID_LS_SNW8_SHIFT) + +#define CHA_ID_LS_KAS_SHIFT 24 +#define CHA_ID_LS_KAS_MASK (0xfull << CHA_ID_LS_KAS_SHIFT) + +#define CHA_ID_LS_PK_SHIFT 28 +#define CHA_ID_LS_PK_MASK (0xfull << CHA_ID_LS_PK_SHIFT) + +#define CHA_ID_MS_CRC_SHIFT 0 +#define CHA_ID_MS_CRC_MASK (0xfull << CHA_ID_MS_CRC_SHIFT) + +#define CHA_ID_MS_SNW9_SHIFT 4 +#define CHA_ID_MS_SNW9_MASK (0xfull << CHA_ID_MS_SNW9_SHIFT) + +#define CHA_ID_MS_DECO_SHIFT 24 +#define CHA_ID_MS_DECO_MASK (0xfull << CHA_ID_MS_DECO_SHIFT) + +#define CHA_ID_MS_JR_SHIFT 28 +#define CHA_ID_MS_JR_MASK (0xfull << CHA_ID_MS_JR_SHIFT) + +struct sec_vid { + u16 ip_id; + u8 maj_rev; + u8 min_rev; +}; + +struct caam_perfmon { + /* Performance Monitor Registers f00-f9f */ + u64 req_dequeued; /* PC_REQ_DEQ - Dequeued Requests */ + u64 ob_enc_req; /* PC_OB_ENC_REQ - Outbound Encrypt Requests */ + u64 ib_dec_req; /* PC_IB_DEC_REQ - Inbound Decrypt Requests */ + u64 ob_enc_bytes; /* PC_OB_ENCRYPT - Outbound Bytes Encrypted */ + u64 ob_prot_bytes; /* PC_OB_PROTECT - Outbound Bytes Protected */ + u64 ib_dec_bytes; /* PC_IB_DECRYPT - Inbound Bytes Decrypted */ + u64 ib_valid_bytes; /* PC_IB_VALIDATED Inbound Bytes Validated */ + u64 rsvd[13]; + + /* CAAM Hardware Instantiation Parameters fa0-fbf */ + u32 cha_rev_ms; /* CRNR - CHA Rev No. Most significant half*/ + u32 cha_rev_ls; /* CRNR - CHA Rev No. Least significant half*/ +#define CTPR_MS_QI_SHIFT 25 +#define CTPR_MS_QI_MASK (0x1ull << CTPR_MS_QI_SHIFT) +#define CTPR_MS_DPAA2 BIT(13) +#define CTPR_MS_VIRT_EN_INCL 0x00000001 +#define CTPR_MS_VIRT_EN_POR 0x00000002 +#define CTPR_MS_PG_SZ_MASK 0x10 +#define CTPR_MS_PG_SZ_SHIFT 4 + u32 comp_parms_ms; /* CTPR - Compile Parameters Register */ + u32 comp_parms_ls; /* CTPR - Compile Parameters Register */ + u64 rsvd1[2]; + + /* CAAM Global Status fc0-fdf */ + u64 faultaddr; /* FAR - Fault Address */ + u32 faultliodn; /* FALR - Fault Address LIODN */ + u32 faultdetail; /* FADR - Fault Addr Detail */ + u32 rsvd2; +#define CSTA_PLEND BIT(10) +#define CSTA_ALT_PLEND BIT(18) + u32 status; /* CSTA - CAAM Status */ + u64 rsvd3; + + /* Component Instantiation Parameters fe0-fff */ + u32 rtic_id; /* RVID - RTIC Version ID */ +#define CCBVID_ERA_MASK 0xff000000 +#define CCBVID_ERA_SHIFT 24 + u32 ccb_id; /* CCBVID - CCB Version ID */ + u32 cha_id_ms; /* CHAVID - CHA Version ID Most Significant*/ + u32 cha_id_ls; /* CHAVID - CHA Version ID Least Significant*/ + u32 cha_num_ms; /* CHANUM - CHA Number Most Significant */ + u32 cha_num_ls; /* CHANUM - CHA Number Least Significant*/ +#define SECVID_MS_IPID_MASK 0xffff0000 +#define SECVID_MS_IPID_SHIFT 16 +#define SECVID_MS_MAJ_REV_MASK 0x0000ff00 +#define SECVID_MS_MAJ_REV_SHIFT 8 + u32 caam_id_ms; /* CAAMVID - CAAM Version ID MS */ + u32 caam_id_ls; /* CAAMVID - CAAM Version ID LS */ +}; + +/* LIODN programming for DMA configuration */ +#define MSTRID_LOCK_LIODN 0x80000000 +#define MSTRID_LOCK_MAKETRUSTED 0x00010000 /* only for JR masterid */ + +#define MSTRID_LIODN_MASK 0x0fff +struct masterid { + u32 liodn_ms; /* lock and make-trusted control bits */ + u32 liodn_ls; /* LIODN for non-sequence and seq access */ +}; + +/* Partition ID for DMA configuration */ +struct partid { + u32 rsvd1; + u32 pidr; /* partition ID, DECO */ +}; + +/* RNGB test mode (replicated twice in some configurations) */ +/* Padded out to 0x100 */ +struct rngtst { + u32 mode; /* RTSTMODEx - Test mode */ + u32 rsvd1[3]; + u32 reset; /* RTSTRESETx - Test reset control */ + u32 rsvd2[3]; + u32 status; /* RTSTSSTATUSx - Test status */ + u32 rsvd3; + u32 errstat; /* RTSTERRSTATx - Test error status */ + u32 rsvd4; + u32 errctl; /* RTSTERRCTLx - Test error control */ + u32 rsvd5; + u32 entropy; /* RTSTENTROPYx - Test entropy */ + u32 rsvd6[15]; + u32 verifctl; /* RTSTVERIFCTLx - Test verification control */ + u32 rsvd7; + u32 verifstat; /* RTSTVERIFSTATx - Test verification status */ + u32 rsvd8; + u32 verifdata; /* RTSTVERIFDx - Test verification data */ + u32 rsvd9; + u32 xkey; /* RTSTXKEYx - Test XKEY */ + u32 rsvd10; + u32 oscctctl; /* RTSTOSCCTCTLx - Test osc. counter control */ + u32 rsvd11; + u32 oscct; /* RTSTOSCCTx - Test oscillator counter */ + u32 rsvd12; + u32 oscctstat; /* RTSTODCCTSTATx - Test osc counter status */ + u32 rsvd13[2]; + u32 ofifo[4]; /* RTSTOFIFOx - Test output FIFO */ + u32 rsvd14[15]; +}; + +/* RNG4 TRNG test registers */ +struct rng4tst { +#define RTMCTL_PRGM 0x00010000 /* 1 -> program mode, 0 -> run mode */ +#define RTMCTL_SAMP_MODE_VON_NEUMANN_ES_SC 0 /* use von Neumann data in + both entropy shifter and + statistical checker */ +#define RTMCTL_SAMP_MODE_RAW_ES_SC 1 /* use raw data in both + entropy shifter and + statistical checker */ +#define RTMCTL_SAMP_MODE_VON_NEUMANN_ES_RAW_SC 2 /* use von Neumann data in + entropy shifter, raw data + in statistical checker */ +#define RTMCTL_SAMP_MODE_INVALID 3 /* invalid combination */ + u32 rtmctl; /* misc. control register */ + u32 rtscmisc; /* statistical check misc. register */ + u32 rtpkrrng; /* poker range register */ + union { + u32 rtpkrmax; /* PRGM=1: poker max. limit register */ + u32 rtpkrsq; /* PRGM=0: poker square calc. result register */ + }; +#define RTSDCTL_ENT_DLY_SHIFT 16 +#define RTSDCTL_ENT_DLY_MASK (0xffff << RTSDCTL_ENT_DLY_SHIFT) +#define RTSDCTL_ENT_DLY_MIN 3200 +#define RTSDCTL_ENT_DLY_MAX 12800 + u32 rtsdctl; /* seed control register */ + union { + u32 rtsblim; /* PRGM=1: sparse bit limit register */ + u32 rttotsam; /* PRGM=0: total samples register */ + }; + u32 rtfrqmin; /* frequency count min. limit register */ +#define RTFRQMAX_DISABLE (1 << 20) + union { + u32 rtfrqmax; /* PRGM=1: freq. count max. limit register */ + u32 rtfrqcnt; /* PRGM=0: freq. count register */ + }; + u32 rsvd1[40]; +#define RDSTA_SKVT 0x80000000 +#define RDSTA_SKVN 0x40000000 +#define RDSTA_IF0 0x00000001 +#define RDSTA_IF1 0x00000002 +#define RDSTA_IFMASK (RDSTA_IF1 | RDSTA_IF0) + u32 rdsta; + u32 rsvd2[15]; +}; + +/* + * caam_ctrl - basic core configuration + * starts base + 0x0000 padded out to 0x1000 + */ + +#define KEK_KEY_SIZE 8 +#define TKEK_KEY_SIZE 8 +#define TDSK_KEY_SIZE 8 + +#define DECO_RESET 1 /* Use with DECO reset/availability regs */ +#define DECO_RESET_0 (DECO_RESET << 0) +#define DECO_RESET_1 (DECO_RESET << 1) +#define DECO_RESET_2 (DECO_RESET << 2) +#define DECO_RESET_3 (DECO_RESET << 3) +#define DECO_RESET_4 (DECO_RESET << 4) + +struct caam_ctrl { + /* Basic Configuration Section 000-01f */ + /* Read/Writable */ + u32 rsvd1; + u32 mcr; /* MCFG Master Config Register */ + u32 rsvd2; + u32 scfgr; /* SCFGR, Security Config Register */ + + /* Bus Access Configuration Section 010-11f */ + /* Read/Writable */ + struct masterid jr_mid[4]; /* JRxLIODNR - JobR LIODN setup */ + u32 rsvd3[11]; + u32 jrstart; /* JRSTART - Job Ring Start Register */ + struct masterid rtic_mid[4]; /* RTICxLIODNR - RTIC LIODN setup */ + u32 rsvd4[5]; + u32 deco_rsr; /* DECORSR - Deco Request Source */ + u32 rsvd11; + u32 deco_rq; /* DECORR - DECO Request */ + struct partid deco_mid[5]; /* DECOxLIODNR - 1 per DECO */ + u32 rsvd5[22]; + + /* DECO Availability/Reset Section 120-3ff */ + u32 deco_avail; /* DAR - DECO availability */ + u32 deco_reset; /* DRR - DECO reset */ + u32 rsvd6[182]; + + /* Key Encryption/Decryption Configuration 400-5ff */ + /* Read/Writable only while in Non-secure mode */ + u32 kek[KEK_KEY_SIZE]; /* JDKEKR - Key Encryption Key */ + u32 tkek[TKEK_KEY_SIZE]; /* TDKEKR - Trusted Desc KEK */ + u32 tdsk[TDSK_KEY_SIZE]; /* TDSKR - Trusted Desc Signing Key */ + u32 rsvd7[32]; + u64 sknonce; /* SKNR - Secure Key Nonce */ + u32 rsvd8[70]; + + /* RNG Test/Verification/Debug Access 600-7ff */ + /* (Useful in Test/Debug modes only...) */ + union { + struct rngtst rtst[2]; + struct rng4tst r4tst[2]; + }; + + u32 rsvd9[448]; + + /* Performance Monitor f00-fff */ + struct caam_perfmon perfmon; +}; + +/* + * Controller master config register defs + */ +#define MCFGR_SWRESET 0x80000000 /* software reset */ +#define MCFGR_WDENABLE 0x40000000 /* DECO watchdog enable */ +#define MCFGR_WDFAIL 0x20000000 /* DECO watchdog force-fail */ +#define MCFGR_DMA_RESET 0x10000000 +#define MCFGR_LONG_PTR 0x00010000 /* Use >32-bit desc addressing */ +#define SCFGR_RDBENABLE 0x00000400 +#define SCFGR_VIRT_EN 0x00008000 +#define DECORR_RQD0ENABLE 0x00000001 /* Enable DECO0 for direct access */ +#define DECORSR_JR0 0x00000001 /* JR to supply TZ, SDID, ICID */ +#define DECORSR_VALID 0x80000000 +#define DECORR_DEN0 0x00010000 /* DECO0 available for access*/ + +/* AXI read cache control */ +#define MCFGR_ARCACHE_SHIFT 12 +#define MCFGR_ARCACHE_MASK (0xf << MCFGR_ARCACHE_SHIFT) +#define MCFGR_ARCACHE_BUFF (0x1 << MCFGR_ARCACHE_SHIFT) +#define MCFGR_ARCACHE_CACH (0x2 << MCFGR_ARCACHE_SHIFT) +#define MCFGR_ARCACHE_RALL (0x4 << MCFGR_ARCACHE_SHIFT) + +/* AXI write cache control */ +#define MCFGR_AWCACHE_SHIFT 8 +#define MCFGR_AWCACHE_MASK (0xf << MCFGR_AWCACHE_SHIFT) +#define MCFGR_AWCACHE_BUFF (0x1 << MCFGR_AWCACHE_SHIFT) +#define MCFGR_AWCACHE_CACH (0x2 << MCFGR_AWCACHE_SHIFT) +#define MCFGR_AWCACHE_WALL (0x8 << MCFGR_AWCACHE_SHIFT) + +/* AXI pipeline depth */ +#define MCFGR_AXIPIPE_SHIFT 4 +#define MCFGR_AXIPIPE_MASK (0xf << MCFGR_AXIPIPE_SHIFT) + +#define MCFGR_AXIPRI 0x00000008 /* Assert AXI priority sideband */ +#define MCFGR_LARGE_BURST 0x00000004 /* 128/256-byte burst size */ +#define MCFGR_BURST_64 0x00000001 /* 64-byte burst size */ + +/* JRSTART register offsets */ +#define JRSTART_JR0_START 0x00000001 /* Start Job ring 0 */ +#define JRSTART_JR1_START 0x00000002 /* Start Job ring 1 */ +#define JRSTART_JR2_START 0x00000004 /* Start Job ring 2 */ +#define JRSTART_JR3_START 0x00000008 /* Start Job ring 3 */ + +/* + * caam_job_ring - direct job ring setup + * 1-4 possible per instantiation, base + 1000/2000/3000/4000 + * Padded out to 0x1000 + */ +struct caam_job_ring { + /* Input ring */ + u64 inpring_base; /* IRBAx - Input desc ring baseaddr */ + u32 rsvd1; + u32 inpring_size; /* IRSx - Input ring size */ + u32 rsvd2; + u32 inpring_avail; /* IRSAx - Input ring room remaining */ + u32 rsvd3; + u32 inpring_jobadd; /* IRJAx - Input ring jobs added */ + + /* Output Ring */ + u64 outring_base; /* ORBAx - Output status ring base addr */ + u32 rsvd4; + u32 outring_size; /* ORSx - Output ring size */ + u32 rsvd5; + u32 outring_rmvd; /* ORJRx - Output ring jobs removed */ + u32 rsvd6; + u32 outring_used; /* ORSFx - Output ring slots full */ + + /* Status/Configuration */ + u32 rsvd7; + u32 jroutstatus; /* JRSTAx - JobR output status */ + u32 rsvd8; + u32 jrintstatus; /* JRINTx - JobR interrupt status */ + u32 rconfig_hi; /* JRxCFG - Ring configuration */ + u32 rconfig_lo; + + /* Indices. CAAM maintains as "heads" of each queue */ + u32 rsvd9; + u32 inp_rdidx; /* IRRIx - Input ring read index */ + u32 rsvd10; + u32 out_wtidx; /* ORWIx - Output ring write index */ + + /* Command/control */ + u32 rsvd11; + u32 jrcommand; /* JRCRx - JobR command */ + + u32 rsvd12[932]; + + /* Performance Monitor f00-fff */ + struct caam_perfmon perfmon; +}; + +#define JR_RINGSIZE_MASK 0x03ff +/* + * jrstatus - Job Ring Output Status + * All values in lo word + * Also note, same values written out as status through QI + * in the command/status field of a frame descriptor + */ +#define JRSTA_SSRC_SHIFT 28 +#define JRSTA_SSRC_MASK 0xf0000000 + +#define JRSTA_SSRC_NONE 0x00000000 +#define JRSTA_SSRC_CCB_ERROR 0x20000000 +#define JRSTA_SSRC_JUMP_HALT_USER 0x30000000 +#define JRSTA_SSRC_DECO 0x40000000 +#define JRSTA_SSRC_JRERROR 0x60000000 +#define JRSTA_SSRC_JUMP_HALT_CC 0x70000000 + +#define JRSTA_DECOERR_JUMP 0x08000000 +#define JRSTA_DECOERR_INDEX_SHIFT 8 +#define JRSTA_DECOERR_INDEX_MASK 0xff00 +#define JRSTA_DECOERR_ERROR_MASK 0x00ff + +#define JRSTA_DECOERR_NONE 0x00 +#define JRSTA_DECOERR_LINKLEN 0x01 +#define JRSTA_DECOERR_LINKPTR 0x02 +#define JRSTA_DECOERR_JRCTRL 0x03 +#define JRSTA_DECOERR_DESCCMD 0x04 +#define JRSTA_DECOERR_ORDER 0x05 +#define JRSTA_DECOERR_KEYCMD 0x06 +#define JRSTA_DECOERR_LOADCMD 0x07 +#define JRSTA_DECOERR_STORECMD 0x08 +#define JRSTA_DECOERR_OPCMD 0x09 +#define JRSTA_DECOERR_FIFOLDCMD 0x0a +#define JRSTA_DECOERR_FIFOSTCMD 0x0b +#define JRSTA_DECOERR_MOVECMD 0x0c +#define JRSTA_DECOERR_JUMPCMD 0x0d +#define JRSTA_DECOERR_MATHCMD 0x0e +#define JRSTA_DECOERR_SHASHCMD 0x0f +#define JRSTA_DECOERR_SEQCMD 0x10 +#define JRSTA_DECOERR_DECOINTERNAL 0x11 +#define JRSTA_DECOERR_SHDESCHDR 0x12 +#define JRSTA_DECOERR_HDRLEN 0x13 +#define JRSTA_DECOERR_BURSTER 0x14 +#define JRSTA_DECOERR_DESCSIGNATURE 0x15 +#define JRSTA_DECOERR_DMA 0x16 +#define JRSTA_DECOERR_BURSTFIFO 0x17 +#define JRSTA_DECOERR_JRRESET 0x1a +#define JRSTA_DECOERR_JOBFAIL 0x1b +#define JRSTA_DECOERR_DNRERR 0x80 +#define JRSTA_DECOERR_UNDEFPCL 0x81 +#define JRSTA_DECOERR_PDBERR 0x82 +#define JRSTA_DECOERR_ANRPLY_LATE 0x83 +#define JRSTA_DECOERR_ANRPLY_REPLAY 0x84 +#define JRSTA_DECOERR_SEQOVF 0x85 +#define JRSTA_DECOERR_INVSIGN 0x86 +#define JRSTA_DECOERR_DSASIGN 0x87 + +#define JRSTA_CCBERR_JUMP 0x08000000 +#define JRSTA_CCBERR_INDEX_MASK 0xff00 +#define JRSTA_CCBERR_INDEX_SHIFT 8 +#define JRSTA_CCBERR_CHAID_MASK 0x00f0 +#define JRSTA_CCBERR_CHAID_SHIFT 4 +#define JRSTA_CCBERR_ERRID_MASK 0x000f + +#define JRSTA_CCBERR_CHAID_AES (0x01 << JRSTA_CCBERR_CHAID_SHIFT) +#define JRSTA_CCBERR_CHAID_DES (0x02 << JRSTA_CCBERR_CHAID_SHIFT) +#define JRSTA_CCBERR_CHAID_ARC4 (0x03 << JRSTA_CCBERR_CHAID_SHIFT) +#define JRSTA_CCBERR_CHAID_MD (0x04 << JRSTA_CCBERR_CHAID_SHIFT) +#define JRSTA_CCBERR_CHAID_RNG (0x05 << JRSTA_CCBERR_CHAID_SHIFT) +#define JRSTA_CCBERR_CHAID_SNOW (0x06 << JRSTA_CCBERR_CHAID_SHIFT) +#define JRSTA_CCBERR_CHAID_KASUMI (0x07 << JRSTA_CCBERR_CHAID_SHIFT) +#define JRSTA_CCBERR_CHAID_PK (0x08 << JRSTA_CCBERR_CHAID_SHIFT) +#define JRSTA_CCBERR_CHAID_CRC (0x09 << JRSTA_CCBERR_CHAID_SHIFT) + +#define JRSTA_CCBERR_ERRID_NONE 0x00 +#define JRSTA_CCBERR_ERRID_MODE 0x01 +#define JRSTA_CCBERR_ERRID_DATASIZ 0x02 +#define JRSTA_CCBERR_ERRID_KEYSIZ 0x03 +#define JRSTA_CCBERR_ERRID_PKAMEMSZ 0x04 +#define JRSTA_CCBERR_ERRID_PKBMEMSZ 0x05 +#define JRSTA_CCBERR_ERRID_SEQUENCE 0x06 +#define JRSTA_CCBERR_ERRID_PKDIVZRO 0x07 +#define JRSTA_CCBERR_ERRID_PKMODEVN 0x08 +#define JRSTA_CCBERR_ERRID_KEYPARIT 0x09 +#define JRSTA_CCBERR_ERRID_ICVCHK 0x0a +#define JRSTA_CCBERR_ERRID_HARDWARE 0x0b +#define JRSTA_CCBERR_ERRID_CCMAAD 0x0c +#define JRSTA_CCBERR_ERRID_INVCHA 0x0f + +#define JRINT_ERR_INDEX_MASK 0x3fff0000 +#define JRINT_ERR_INDEX_SHIFT 16 +#define JRINT_ERR_TYPE_MASK 0xf00 +#define JRINT_ERR_TYPE_SHIFT 8 +#define JRINT_ERR_HALT_MASK 0xc +#define JRINT_ERR_HALT_SHIFT 2 +#define JRINT_ERR_HALT_INPROGRESS 0x4 +#define JRINT_ERR_HALT_COMPLETE 0x8 +#define JRINT_JR_ERROR 0x02 +#define JRINT_JR_INT 0x01 + +#define JRINT_ERR_TYPE_WRITE 1 +#define JRINT_ERR_TYPE_BAD_INPADDR 3 +#define JRINT_ERR_TYPE_BAD_OUTADDR 4 +#define JRINT_ERR_TYPE_INV_INPWRT 5 +#define JRINT_ERR_TYPE_INV_OUTWRT 6 +#define JRINT_ERR_TYPE_RESET 7 +#define JRINT_ERR_TYPE_REMOVE_OFL 8 +#define JRINT_ERR_TYPE_ADD_OFL 9 + +#define JRCFG_SOE 0x04 +#define JRCFG_ICEN 0x02 +#define JRCFG_IMSK 0x01 +#define JRCFG_ICDCT_SHIFT 8 +#define JRCFG_ICTT_SHIFT 16 + +#define JRCR_RESET 0x01 + +/* + * caam_assurance - Assurance Controller View + * base + 0x6000 padded out to 0x1000 + */ + +struct rtic_element { + u64 address; + u32 rsvd; + u32 length; +}; + +struct rtic_block { + struct rtic_element element[2]; +}; + +struct rtic_memhash { + u32 memhash_be[32]; + u32 memhash_le[32]; +}; + +struct caam_assurance { + /* Status/Command/Watchdog */ + u32 rsvd1; + u32 status; /* RSTA - Status */ + u32 rsvd2; + u32 cmd; /* RCMD - Command */ + u32 rsvd3; + u32 ctrl; /* RCTL - Control */ + u32 rsvd4; + u32 throttle; /* RTHR - Throttle */ + u32 rsvd5[2]; + u64 watchdog; /* RWDOG - Watchdog Timer */ + u32 rsvd6; + u32 rend; /* REND - Endian corrections */ + u32 rsvd7[50]; + + /* Block access/configuration @ 100/110/120/130 */ + struct rtic_block memblk[4]; /* Memory Blocks A-D */ + u32 rsvd8[32]; + + /* Block hashes @ 200/300/400/500 */ + struct rtic_memhash hash[4]; /* Block hash values A-D */ + u32 rsvd_3[640]; +}; + +/* + * caam_queue_if - QI configuration and control + * starts base + 0x7000, padded out to 0x1000 long + */ + +struct caam_queue_if { + u32 qi_control_hi; /* QICTL - QI Control */ + u32 qi_control_lo; + u32 rsvd1; + u32 qi_status; /* QISTA - QI Status */ + u32 qi_deq_cfg_hi; /* QIDQC - QI Dequeue Configuration */ + u32 qi_deq_cfg_lo; + u32 qi_enq_cfg_hi; /* QISEQC - QI Enqueue Command */ + u32 qi_enq_cfg_lo; + u32 rsvd2[1016]; +}; + +/* QI control bits - low word */ +#define QICTL_DQEN 0x01 /* Enable frame pop */ +#define QICTL_STOP 0x02 /* Stop dequeue/enqueue */ +#define QICTL_SOE 0x04 /* Stop on error */ + +/* QI control bits - high word */ +#define QICTL_MBSI 0x01 +#define QICTL_MHWSI 0x02 +#define QICTL_MWSI 0x04 +#define QICTL_MDWSI 0x08 +#define QICTL_CBSI 0x10 /* CtrlDataByteSwapInput */ +#define QICTL_CHWSI 0x20 /* CtrlDataHalfSwapInput */ +#define QICTL_CWSI 0x40 /* CtrlDataWordSwapInput */ +#define QICTL_CDWSI 0x80 /* CtrlDataDWordSwapInput */ +#define QICTL_MBSO 0x0100 +#define QICTL_MHWSO 0x0200 +#define QICTL_MWSO 0x0400 +#define QICTL_MDWSO 0x0800 +#define QICTL_CBSO 0x1000 /* CtrlDataByteSwapOutput */ +#define QICTL_CHWSO 0x2000 /* CtrlDataHalfSwapOutput */ +#define QICTL_CWSO 0x4000 /* CtrlDataWordSwapOutput */ +#define QICTL_CDWSO 0x8000 /* CtrlDataDWordSwapOutput */ +#define QICTL_DMBS 0x010000 +#define QICTL_EPO 0x020000 + +/* QI status bits */ +#define QISTA_PHRDERR 0x01 /* PreHeader Read Error */ +#define QISTA_CFRDERR 0x02 /* Compound Frame Read Error */ +#define QISTA_OFWRERR 0x04 /* Output Frame Read Error */ +#define QISTA_BPDERR 0x08 /* Buffer Pool Depleted */ +#define QISTA_BTSERR 0x10 /* Buffer Undersize */ +#define QISTA_CFWRERR 0x20 /* Compound Frame Write Err */ +#define QISTA_STOPD 0x80000000 /* QI Stopped (see QICTL) */ + +/* deco_sg_table - DECO view of scatter/gather table */ +struct deco_sg_table { + u64 addr; /* Segment Address */ + u32 elen; /* E, F bits + 30-bit length */ + u32 bpid_offset; /* Buffer Pool ID + 16-bit length */ +}; + +/* + * caam_deco - descriptor controller - CHA cluster block + * + * Only accessible when direct DECO access is turned on + * (done in DECORR, via MID programmed in DECOxMID + * + * 5 typical, base + 0x8000/9000/a000/b000 + * Padded out to 0x1000 long + */ +struct caam_deco { + u32 rsvd1; + u32 cls1_mode; /* CxC1MR - Class 1 Mode */ + u32 rsvd2; + u32 cls1_keysize; /* CxC1KSR - Class 1 Key Size */ + u32 cls1_datasize_hi; /* CxC1DSR - Class 1 Data Size */ + u32 cls1_datasize_lo; + u32 rsvd3; + u32 cls1_icvsize; /* CxC1ICVSR - Class 1 ICV size */ + u32 rsvd4[5]; + u32 cha_ctrl; /* CCTLR - CHA control */ + u32 rsvd5; + u32 irq_crtl; /* CxCIRQ - CCB interrupt done/error/clear */ + u32 rsvd6; + u32 clr_written; /* CxCWR - Clear-Written */ + u32 ccb_status_hi; /* CxCSTA - CCB Status/Error */ + u32 ccb_status_lo; + u32 rsvd7[3]; + u32 aad_size; /* CxAADSZR - Current AAD Size */ + u32 rsvd8; + u32 cls1_iv_size; /* CxC1IVSZR - Current Class 1 IV Size */ + u32 rsvd9[7]; + u32 pkha_a_size; /* PKASZRx - Size of PKHA A */ + u32 rsvd10; + u32 pkha_b_size; /* PKBSZRx - Size of PKHA B */ + u32 rsvd11; + u32 pkha_n_size; /* PKNSZRx - Size of PKHA N */ + u32 rsvd12; + u32 pkha_e_size; /* PKESZRx - Size of PKHA E */ + u32 rsvd13[24]; + u32 cls1_ctx[16]; /* CxC1CTXR - Class 1 Context @100 */ + u32 rsvd14[48]; + u32 cls1_key[8]; /* CxC1KEYR - Class 1 Key @200 */ + u32 rsvd15[121]; + u32 cls2_mode; /* CxC2MR - Class 2 Mode */ + u32 rsvd16; + u32 cls2_keysize; /* CxX2KSR - Class 2 Key Size */ + u32 cls2_datasize_hi; /* CxC2DSR - Class 2 Data Size */ + u32 cls2_datasize_lo; + u32 rsvd17; + u32 cls2_icvsize; /* CxC2ICVSZR - Class 2 ICV Size */ + u32 rsvd18[56]; + u32 cls2_ctx[18]; /* CxC2CTXR - Class 2 Context @500 */ + u32 rsvd19[46]; + u32 cls2_key[32]; /* CxC2KEYR - Class2 Key @600 */ + u32 rsvd20[84]; + u32 inp_infofifo_hi; /* CxIFIFO - Input Info FIFO @7d0 */ + u32 inp_infofifo_lo; + u32 rsvd21[2]; + u64 inp_datafifo; /* CxDFIFO - Input Data FIFO */ + u32 rsvd22[2]; + u64 out_datafifo; /* CxOFIFO - Output Data FIFO */ + u32 rsvd23[2]; + u32 jr_ctl_hi; /* CxJRR - JobR Control Register @800 */ + u32 jr_ctl_lo; + u64 jr_descaddr; /* CxDADR - JobR Descriptor Address */ +#define DECO_OP_STATUS_HI_ERR_MASK 0xF00000FF + u32 op_status_hi; /* DxOPSTA - DECO Operation Status */ + u32 op_status_lo; + u32 rsvd24[2]; + u32 liodn; /* DxLSR - DECO LIODN Status - non-seq */ + u32 td_liodn; /* DxLSR - DECO LIODN Status - trustdesc */ + u32 rsvd26[6]; + u64 math[4]; /* DxMTH - Math register */ + u32 rsvd27[8]; + struct deco_sg_table gthr_tbl[4]; /* DxGTR - Gather Tables */ + u32 rsvd28[16]; + struct deco_sg_table sctr_tbl[4]; /* DxSTR - Scatter Tables */ + u32 rsvd29[48]; + u32 descbuf[64]; /* DxDESB - Descriptor buffer */ + u32 rscvd30[193]; +#define DESC_DBG_DECO_STAT_HOST_ERR 0x00D00000 +#define DESC_DBG_DECO_STAT_VALID 0x80000000 +#define DESC_DBG_DECO_STAT_MASK 0x00F00000 + u32 desc_dbg; /* DxDDR - DECO Debug Register */ + u32 rsvd31[126]; +}; + +#define DECO_JQCR_WHL 0x20000000 +#define DECO_JQCR_FOUR 0x10000000 + +#define JR_BLOCK_NUMBER 1 +#define ASSURE_BLOCK_NUMBER 6 +#define QI_BLOCK_NUMBER 7 +#define DECO_BLOCK_NUMBER 8 +#define PG_SIZE_4K 0x1000 +#define PG_SIZE_64K 0x10000 +#endif /* REGS_H */ diff --git a/drivers/crypto/caam/sg_sw_qm.h b/drivers/crypto/caam/sg_sw_qm.h new file mode 100644 index 000000000..d000b4df7 --- /dev/null +++ b/drivers/crypto/caam/sg_sw_qm.h @@ -0,0 +1,108 @@ +/* + * Copyright 2013-2016 Freescale Semiconductor, Inc. + * Copyright 2016-2017 NXP + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Freescale Semiconductor nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * + * ALTERNATIVELY, this software may be distributed under the terms of the + * GNU General Public License ("GPL") as published by the Free Software + * Foundation, either version 2 of that License or (at your option) any + * later version. + * + * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef __SG_SW_QM_H +#define __SG_SW_QM_H + +#include <soc/fsl/qman.h> +#include "regs.h" + +static inline void __dma_to_qm_sg(struct qm_sg_entry *qm_sg_ptr, dma_addr_t dma, + u16 offset) +{ + qm_sg_entry_set64(qm_sg_ptr, dma); + qm_sg_ptr->__reserved2 = 0; + qm_sg_ptr->bpid = 0; + qm_sg_ptr->offset = cpu_to_be16(offset & QM_SG_OFF_MASK); +} + +static inline void dma_to_qm_sg_one(struct qm_sg_entry *qm_sg_ptr, + dma_addr_t dma, u32 len, u16 offset) +{ + __dma_to_qm_sg(qm_sg_ptr, dma, offset); + qm_sg_entry_set_len(qm_sg_ptr, len); +} + +static inline void dma_to_qm_sg_one_last(struct qm_sg_entry *qm_sg_ptr, + dma_addr_t dma, u32 len, u16 offset) +{ + __dma_to_qm_sg(qm_sg_ptr, dma, offset); + qm_sg_entry_set_f(qm_sg_ptr, len); +} + +static inline void dma_to_qm_sg_one_ext(struct qm_sg_entry *qm_sg_ptr, + dma_addr_t dma, u32 len, u16 offset) +{ + __dma_to_qm_sg(qm_sg_ptr, dma, offset); + qm_sg_ptr->cfg = cpu_to_be32(QM_SG_EXT | (len & QM_SG_LEN_MASK)); +} + +static inline void dma_to_qm_sg_one_last_ext(struct qm_sg_entry *qm_sg_ptr, + dma_addr_t dma, u32 len, + u16 offset) +{ + __dma_to_qm_sg(qm_sg_ptr, dma, offset); + qm_sg_ptr->cfg = cpu_to_be32(QM_SG_EXT | QM_SG_FIN | + (len & QM_SG_LEN_MASK)); +} + +/* + * convert scatterlist to h/w link table format + * but does not have final bit; instead, returns last entry + */ +static inline struct qm_sg_entry * +sg_to_qm_sg(struct scatterlist *sg, int sg_count, + struct qm_sg_entry *qm_sg_ptr, u16 offset) +{ + while (sg_count && sg) { + dma_to_qm_sg_one(qm_sg_ptr, sg_dma_address(sg), + sg_dma_len(sg), offset); + qm_sg_ptr++; + sg = sg_next(sg); + sg_count--; + } + return qm_sg_ptr - 1; +} + +/* + * convert scatterlist to h/w link table format + * scatterlist must have been previously dma mapped + */ +static inline void sg_to_qm_sg_last(struct scatterlist *sg, int sg_count, + struct qm_sg_entry *qm_sg_ptr, u16 offset) +{ + qm_sg_ptr = sg_to_qm_sg(sg, sg_count, qm_sg_ptr, offset); + qm_sg_entry_set_f(qm_sg_ptr, qm_sg_entry_get_len(qm_sg_ptr)); +} + +#endif /* __SG_SW_QM_H */ diff --git a/drivers/crypto/caam/sg_sw_qm2.h b/drivers/crypto/caam/sg_sw_qm2.h new file mode 100644 index 000000000..b5b4c1217 --- /dev/null +++ b/drivers/crypto/caam/sg_sw_qm2.h @@ -0,0 +1,81 @@ +/* + * Copyright 2015-2016 Freescale Semiconductor, Inc. + * Copyright 2017 NXP + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the names of the above-listed copyright holders nor the + * names of any contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * + * ALTERNATIVELY, this software may be distributed under the terms of the + * GNU General Public License ("GPL") as published by the Free Software + * Foundation, either version 2 of that License or (at your option) any + * later version. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _SG_SW_QM2_H_ +#define _SG_SW_QM2_H_ + +#include <soc/fsl/dpaa2-fd.h> + +static inline void dma_to_qm_sg_one(struct dpaa2_sg_entry *qm_sg_ptr, + dma_addr_t dma, u32 len, u16 offset) +{ + dpaa2_sg_set_addr(qm_sg_ptr, dma); + dpaa2_sg_set_format(qm_sg_ptr, dpaa2_sg_single); + dpaa2_sg_set_final(qm_sg_ptr, false); + dpaa2_sg_set_len(qm_sg_ptr, len); + dpaa2_sg_set_bpid(qm_sg_ptr, 0); + dpaa2_sg_set_offset(qm_sg_ptr, offset); +} + +/* + * convert scatterlist to h/w link table format + * but does not have final bit; instead, returns last entry + */ +static inline struct dpaa2_sg_entry * +sg_to_qm_sg(struct scatterlist *sg, int sg_count, + struct dpaa2_sg_entry *qm_sg_ptr, u16 offset) +{ + while (sg_count && sg) { + dma_to_qm_sg_one(qm_sg_ptr, sg_dma_address(sg), + sg_dma_len(sg), offset); + qm_sg_ptr++; + sg = sg_next(sg); + sg_count--; + } + return qm_sg_ptr - 1; +} + +/* + * convert scatterlist to h/w link table format + * scatterlist must have been previously dma mapped + */ +static inline void sg_to_qm_sg_last(struct scatterlist *sg, int sg_count, + struct dpaa2_sg_entry *qm_sg_ptr, + u16 offset) +{ + qm_sg_ptr = sg_to_qm_sg(sg, sg_count, qm_sg_ptr, offset); + dpaa2_sg_set_final(qm_sg_ptr, true); +} + +#endif /* _SG_SW_QM2_H_ */ diff --git a/drivers/crypto/caam/sg_sw_sec4.h b/drivers/crypto/caam/sg_sw_sec4.h new file mode 100644 index 000000000..dbfa9fce3 --- /dev/null +++ b/drivers/crypto/caam/sg_sw_sec4.h @@ -0,0 +1,83 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * CAAM/SEC 4.x functions for using scatterlists in caam driver + * + * Copyright 2008-2011 Freescale Semiconductor, Inc. + * + */ + +#ifndef _SG_SW_SEC4_H_ +#define _SG_SW_SEC4_H_ + +#include "ctrl.h" +#include "regs.h" +#include "sg_sw_qm2.h" +#include <soc/fsl/dpaa2-fd.h> + +struct sec4_sg_entry { + u64 ptr; + u32 len; + u32 bpid_offset; +}; + +/* + * convert single dma address to h/w link table format + */ +static inline void dma_to_sec4_sg_one(struct sec4_sg_entry *sec4_sg_ptr, + dma_addr_t dma, u32 len, u16 offset) +{ + if (caam_dpaa2) { + dma_to_qm_sg_one((struct dpaa2_sg_entry *)sec4_sg_ptr, dma, len, + offset); + } else { + sec4_sg_ptr->ptr = cpu_to_caam_dma64(dma); + sec4_sg_ptr->len = cpu_to_caam32(len); + sec4_sg_ptr->bpid_offset = cpu_to_caam32(offset & + SEC4_SG_OFFSET_MASK); + } +#ifdef DEBUG + print_hex_dump(KERN_ERR, "sec4_sg_ptr@: ", + DUMP_PREFIX_ADDRESS, 16, 4, sec4_sg_ptr, + sizeof(struct sec4_sg_entry), 1); +#endif +} + +/* + * convert scatterlist to h/w link table format + * but does not have final bit; instead, returns last entry + */ +static inline struct sec4_sg_entry * +sg_to_sec4_sg(struct scatterlist *sg, int sg_count, + struct sec4_sg_entry *sec4_sg_ptr, u16 offset) +{ + while (sg_count) { + dma_to_sec4_sg_one(sec4_sg_ptr, sg_dma_address(sg), + sg_dma_len(sg), offset); + sec4_sg_ptr++; + sg = sg_next(sg); + sg_count--; + } + return sec4_sg_ptr - 1; +} + +static inline void sg_to_sec4_set_last(struct sec4_sg_entry *sec4_sg_ptr) +{ + if (caam_dpaa2) + dpaa2_sg_set_final((struct dpaa2_sg_entry *)sec4_sg_ptr, true); + else + sec4_sg_ptr->len |= cpu_to_caam32(SEC4_SG_LEN_FIN); +} + +/* + * convert scatterlist to h/w link table format + * scatterlist must have been previously dma mapped + */ +static inline void sg_to_sec4_sg_last(struct scatterlist *sg, int sg_count, + struct sec4_sg_entry *sec4_sg_ptr, + u16 offset) +{ + sec4_sg_ptr = sg_to_sec4_sg(sg, sg_count, sec4_sg_ptr, offset); + sg_to_sec4_set_last(sec4_sg_ptr); +} + +#endif /* _SG_SW_SEC4_H_ */ |