diff options
Diffstat (limited to 'drivers/crypto/nx/nx_csbcpb.h')
| -rw-r--r-- | drivers/crypto/nx/nx_csbcpb.h | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/drivers/crypto/nx/nx_csbcpb.h b/drivers/crypto/nx/nx_csbcpb.h new file mode 100644 index 000000000..493f8490f --- /dev/null +++ b/drivers/crypto/nx/nx_csbcpb.h @@ -0,0 +1,206 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#ifndef __NX_CSBCPB_H__ +#define __NX_CSBCPB_H__ + +struct cop_symcpb_aes_ecb { + u8 key[32]; + u8 __rsvd[80]; +} __packed; + +struct cop_symcpb_aes_cbc { + u8 iv[16]; + u8 key[32]; + u8 cv[16]; + u32 spbc; + u8 __rsvd[44]; +} __packed; + +struct cop_symcpb_aes_gca { + u8 in_pat[16]; + u8 key[32]; + u8 out_pat[16]; + u32 spbc; + u8 __rsvd[44]; +} __packed; + +struct cop_symcpb_aes_gcm { + u8 in_pat_or_aad[16]; + u8 iv_or_cnt[16]; + u64 bit_length_aad; + u64 bit_length_data; + u8 in_s0[16]; + u8 key[32]; + u8 __rsvd1[16]; + u8 out_pat_or_mac[16]; + u8 out_s0[16]; + u8 out_cnt[16]; + u32 spbc; + u8 __rsvd2[12]; +} __packed; + +struct cop_symcpb_aes_ctr { + u8 iv[16]; + u8 key[32]; + u8 cv[16]; + u32 spbc; + u8 __rsvd2[44]; +} __packed; + +struct cop_symcpb_aes_cca { + u8 b0[16]; + u8 b1[16]; + u8 key[16]; + u8 out_pat_or_b0[16]; + u32 spbc; + u8 __rsvd[44]; +} __packed; + +struct cop_symcpb_aes_ccm { + u8 in_pat_or_b0[16]; + u8 iv_or_ctr[16]; + u8 in_s0[16]; + u8 key[16]; + u8 __rsvd1[48]; + u8 out_pat_or_mac[16]; + u8 out_s0[16]; + u8 out_ctr[16]; + u32 spbc; + u8 __rsvd2[12]; +} __packed; + +struct cop_symcpb_aes_xcbc { + u8 cv[16]; + u8 key[16]; + u8 __rsvd1[16]; + u8 out_cv_mac[16]; + u32 spbc; + u8 __rsvd2[44]; +} __packed; + +struct cop_symcpb_sha256 { + u64 message_bit_length; + u64 __rsvd1; + u8 input_partial_digest[32]; + u8 message_digest[32]; + u32 spbc; + u8 __rsvd2[44]; +} __packed; + +struct cop_symcpb_sha512 { + u64 message_bit_length_hi; + u64 message_bit_length_lo; + u8 input_partial_digest[64]; + u8 __rsvd1[32]; + u8 message_digest[64]; + u32 spbc; + u8 __rsvd2[76]; +} __packed; + +#define NX_FDM_INTERMEDIATE 0x01 +#define NX_FDM_CONTINUATION 0x02 +#define NX_FDM_ENDE_ENCRYPT 0x80 + +#define NX_CPB_FDM(c) ((c)->cpb.hdr.fdm) +#define NX_CPB_KS_DS(c) ((c)->cpb.hdr.ks_ds) + +#define NX_CPB_KEY_SIZE(c) (NX_CPB_KS_DS(c) >> 4) +#define NX_CPB_SET_KEY_SIZE(c, x) NX_CPB_KS_DS(c) |= ((x) << 4) +#define NX_CPB_SET_DIGEST_SIZE(c, x) NX_CPB_KS_DS(c) |= (x) + +struct cop_symcpb_header { + u8 mode; + u8 fdm; + u8 ks_ds; + u8 pad_byte; + u8 __rsvd[12]; +} __packed; + +struct cop_parameter_block { + struct cop_symcpb_header hdr; + union { + struct cop_symcpb_aes_ecb aes_ecb; + struct cop_symcpb_aes_cbc aes_cbc; + struct cop_symcpb_aes_gca aes_gca; + struct cop_symcpb_aes_gcm aes_gcm; + struct cop_symcpb_aes_cca aes_cca; + struct cop_symcpb_aes_ccm aes_ccm; + struct cop_symcpb_aes_ctr aes_ctr; + struct cop_symcpb_aes_xcbc aes_xcbc; + struct cop_symcpb_sha256 sha256; + struct cop_symcpb_sha512 sha512; + }; +} __packed; + +#define NX_CSB_VALID_BIT 0x80 + +/* co-processor status block */ +struct cop_status_block { + u8 valid; + u8 crb_seq_number; + u8 completion_code; + u8 completion_extension; + u32 processed_byte_count; + u64 address; +} __packed; + +/* Nest accelerator workbook section 4.4 */ +struct nx_csbcpb { + unsigned char __rsvd[112]; + struct cop_status_block csb; + struct cop_parameter_block cpb; +} __packed; + +/* nx_csbcpb related definitions */ +#define NX_MODE_AES_ECB 0 +#define NX_MODE_AES_CBC 1 +#define NX_MODE_AES_GMAC 2 +#define NX_MODE_AES_GCA 3 +#define NX_MODE_AES_GCM 4 +#define NX_MODE_AES_CCA 5 +#define NX_MODE_AES_CCM 6 +#define NX_MODE_AES_CTR 7 +#define NX_MODE_AES_XCBC_MAC 20 +#define NX_MODE_SHA 0 +#define NX_MODE_SHA_HMAC 1 +#define NX_MODE_AES_CBC_HMAC_ETA 8 +#define NX_MODE_AES_CBC_HMAC_ATE 9 +#define NX_MODE_AES_CBC_HMAC_EAA 10 +#define NX_MODE_AES_CTR_HMAC_ETA 12 +#define NX_MODE_AES_CTR_HMAC_ATE 13 +#define NX_MODE_AES_CTR_HMAC_EAA 14 + +#define NX_FDM_CI_FULL 0 +#define NX_FDM_CI_FIRST 1 +#define NX_FDM_CI_LAST 2 +#define NX_FDM_CI_MIDDLE 3 + +#define NX_FDM_PR_NONE 0 +#define NX_FDM_PR_PAD 1 + +#define NX_KS_AES_128 1 +#define NX_KS_AES_192 2 +#define NX_KS_AES_256 3 + +#define NX_DS_SHA256 2 +#define NX_DS_SHA512 3 + +#define NX_FC_AES 0 +#define NX_FC_SHA 2 +#define NX_FC_AES_HMAC 6 + +#define NX_MAX_FC (NX_FC_AES_HMAC + 1) +#define NX_MAX_MODE (NX_MODE_AES_XCBC_MAC + 1) + +#define HCOP_FC_AES NX_FC_AES +#define HCOP_FC_SHA NX_FC_SHA +#define HCOP_FC_AES_HMAC NX_FC_AES_HMAC + +/* indices into the array of algorithm properties */ +#define NX_PROPS_AES_128 0 +#define NX_PROPS_AES_192 1 +#define NX_PROPS_AES_256 2 +#define NX_PROPS_SHA256 1 +#define NX_PROPS_SHA512 2 + +#endif |