Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 235 insertions, 0 deletions

diff --git a/drivers/crypto/ccree/cc_driver.h b/drivers/crypto/ccree/cc_driver.h
new file mode 100644
index 0000000000..f49579aa14
--- /dev/null
+++ b/drivers/crypto/ccree/cc_driver.h
@@ -0,0 +1,235 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */
+
+/* \file cc_driver.h
+ * ARM CryptoCell Linux Crypto Driver
+ */
+
+#ifndef __CC_DRIVER_H__
+#define __CC_DRIVER_H__
+
+#ifdef COMP_IN_WQ
+#include <linux/workqueue.h>
+#else
+#include <linux/interrupt.h>
+#endif
+#include <linux/dma-mapping.h>
+#include <crypto/algapi.h>
+#include <crypto/internal/skcipher.h>
+#include <crypto/aes.h>
+#include <crypto/sha1.h>
+#include <crypto/sha2.h>
+#include <crypto/aead.h>
+#include <crypto/authenc.h>
+#include <crypto/hash.h>
+#include <crypto/skcipher.h>
+#include <linux/clk.h>
+#include <linux/platform_device.h>
+
+#include "cc_host_regs.h"
+#include "cc_crypto_ctx.h"
+#include "cc_hw_queue_defs.h"
+#include "cc_sram_mgr.h"
+
+extern bool cc_dump_desc;
+extern bool cc_dump_bytes;
+
+#define DRV_MODULE_VERSION "5.0"
+
+enum cc_hw_rev {
+	CC_HW_REV_630 = 630,
+	CC_HW_REV_710 = 710,
+	CC_HW_REV_712 = 712,
+	CC_HW_REV_713 = 713
+};
+
+enum cc_std_body {
+	CC_STD_NIST = 0x1,
+	CC_STD_OSCCA = 0x2,
+	CC_STD_ALL = 0x3
+};
+
+#define CC_PINS_FULL	0x0
+#define CC_PINS_SLIM	0x9F
+
+/* Maximum DMA mask supported by IP */
+#define DMA_BIT_MASK_LEN 48
+
+#define CC_AXI_IRQ_MASK ((1 << CC_AXIM_CFG_BRESPMASK_BIT_SHIFT) | \
+			  (1 << CC_AXIM_CFG_RRESPMASK_BIT_SHIFT) | \
+			  (1 << CC_AXIM_CFG_INFLTMASK_BIT_SHIFT) | \
+			  (1 << CC_AXIM_CFG_COMPMASK_BIT_SHIFT))
+
+#define CC_AXI_ERR_IRQ_MASK BIT(CC_HOST_IRR_AXI_ERR_INT_BIT_SHIFT)
+
+#define CC_COMP_IRQ_MASK BIT(CC_HOST_IRR_AXIM_COMP_INT_BIT_SHIFT)
+
+#define CC_SECURITY_DISABLED_MASK BIT(CC_SECURITY_DISABLED_VALUE_BIT_SHIFT)
+
+#define CC_NVM_IS_IDLE_MASK BIT(CC_NVM_IS_IDLE_VALUE_BIT_SHIFT)
+
+#define AXIM_MON_COMP_VALUE CC_GENMASK(CC_AXIM_MON_COMP_VALUE)
+
+#define CC_CPP_AES_ABORT_MASK ( \
+	BIT(CC_HOST_IMR_REE_OP_ABORTED_AES_0_MASK_BIT_SHIFT) | \
+	BIT(CC_HOST_IMR_REE_OP_ABORTED_AES_1_MASK_BIT_SHIFT) | \
+	BIT(CC_HOST_IMR_REE_OP_ABORTED_AES_2_MASK_BIT_SHIFT) | \
+	BIT(CC_HOST_IMR_REE_OP_ABORTED_AES_3_MASK_BIT_SHIFT) | \
+	BIT(CC_HOST_IMR_REE_OP_ABORTED_AES_4_MASK_BIT_SHIFT) | \
+	BIT(CC_HOST_IMR_REE_OP_ABORTED_AES_5_MASK_BIT_SHIFT) | \
+	BIT(CC_HOST_IMR_REE_OP_ABORTED_AES_6_MASK_BIT_SHIFT) | \
+	BIT(CC_HOST_IMR_REE_OP_ABORTED_AES_7_MASK_BIT_SHIFT))
+
+#define CC_CPP_SM4_ABORT_MASK ( \
+	BIT(CC_HOST_IMR_REE_OP_ABORTED_SM_0_MASK_BIT_SHIFT) | \
+	BIT(CC_HOST_IMR_REE_OP_ABORTED_SM_1_MASK_BIT_SHIFT) | \
+	BIT(CC_HOST_IMR_REE_OP_ABORTED_SM_2_MASK_BIT_SHIFT) | \
+	BIT(CC_HOST_IMR_REE_OP_ABORTED_SM_3_MASK_BIT_SHIFT) | \
+	BIT(CC_HOST_IMR_REE_OP_ABORTED_SM_4_MASK_BIT_SHIFT) | \
+	BIT(CC_HOST_IMR_REE_OP_ABORTED_SM_5_MASK_BIT_SHIFT) | \
+	BIT(CC_HOST_IMR_REE_OP_ABORTED_SM_6_MASK_BIT_SHIFT) | \
+	BIT(CC_HOST_IMR_REE_OP_ABORTED_SM_7_MASK_BIT_SHIFT))
+
+/* Register name mangling macro */
+#define CC_REG(reg_name) CC_ ## reg_name ## _REG_OFFSET
+
+/* TEE FIPS status interrupt */
+#define CC_GPR0_IRQ_MASK BIT(CC_HOST_IRR_GPR0_BIT_SHIFT)
+
+#define CC_CRA_PRIO 400
+
+#define MIN_HW_QUEUE_SIZE 50 /* Minimum size required for proper function */
+
+#define MAX_REQUEST_QUEUE_SIZE 4096
+#define MAX_MLLI_BUFF_SIZE 2080
+
+/* Definitions for HW descriptors DIN/DOUT fields */
+#define NS_BIT 1
+#define AXI_ID 0
+/* AXI_ID is not actually the AXI ID of the transaction but the value of AXI_ID
+ * field in the HW descriptor. The DMA engine +8 that value.
+ */
+
+struct cc_cpp_req {
+	bool is_cpp;
+	enum cc_cpp_alg alg;
+	u8 slot;
+};
+
+#define CC_MAX_IVGEN_DMA_ADDRESSES	3
+struct cc_crypto_req {
+	void (*user_cb)(struct device *dev, void *req, int err);
+	void *user_arg;
+	struct completion seq_compl; /* request completion */
+	struct cc_cpp_req cpp;
+};
+
+/**
+ * struct cc_drvdata - driver private data context
+ * @cc_base:	virt address of the CC registers
+ * @irq:	bitmap indicating source of last interrupt
+ */
+struct cc_drvdata {
+	void __iomem *cc_base;
+	int irq;
+	struct completion hw_queue_avail; /* wait for HW queue availability */
+	struct platform_device *plat_dev;
+	u32 mlli_sram_addr;
+	struct dma_pool *mlli_buffs_pool;
+	struct list_head alg_list;
+	void *hash_handle;
+	void *aead_handle;
+	void *request_mgr_handle;
+	void *fips_handle;
+	u32 sram_free_offset;	/* offset to non-allocated area in SRAM */
+	struct dentry *dir;	/* for debugfs */
+	struct clk *clk;
+	bool coherent;
+	char *hw_rev_name;
+	enum cc_hw_rev hw_rev;
+	u32 axim_mon_offset;
+	u32 sig_offset;
+	u32 ver_offset;
+	int std_bodies;
+	bool sec_disabled;
+	u32 comp_mask;
+	u32 cache_params;
+	u32 ace_const;
+};
+
+struct cc_crypto_alg {
+	struct list_head entry;
+	int cipher_mode;
+	int flow_mode; /* Note: currently, refers to the cipher mode only. */
+	int auth_mode;
+	struct cc_drvdata *drvdata;
+	struct skcipher_alg skcipher_alg;
+	struct aead_alg aead_alg;
+};
+
+struct cc_alg_template {
+	char name[CRYPTO_MAX_ALG_NAME];
+	char driver_name[CRYPTO_MAX_ALG_NAME];
+	unsigned int blocksize;
+	union {
+		struct skcipher_alg skcipher;
+		struct aead_alg aead;
+	} template_u;
+	int cipher_mode;
+	int flow_mode; /* Note: currently, refers to the cipher mode only. */
+	int auth_mode;
+	u32 min_hw_rev;
+	enum cc_std_body std_body;
+	bool sec_func;
+	unsigned int data_unit;
+	struct cc_drvdata *drvdata;
+};
+
+struct async_gen_req_ctx {
+	dma_addr_t iv_dma_addr;
+	u8 *iv;
+	enum drv_crypto_direction op_type;
+};
+
+static inline struct device *drvdata_to_dev(struct cc_drvdata *drvdata)
+{
+	return &drvdata->plat_dev->dev;
+}
+
+void __dump_byte_array(const char *name, const u8 *buf, size_t len);
+static inline void dump_byte_array(const char *name, const u8 *the_array,
+				   size_t size)
+{
+	if (cc_dump_bytes)
+		__dump_byte_array(name, the_array, size);
+}
+
+bool cc_wait_for_reset_completion(struct cc_drvdata *drvdata);
+int init_cc_regs(struct cc_drvdata *drvdata);
+void fini_cc_regs(struct cc_drvdata *drvdata);
+unsigned int cc_get_default_hash_len(struct cc_drvdata *drvdata);
+
+static inline void cc_iowrite(struct cc_drvdata *drvdata, u32 reg, u32 val)
+{
+	iowrite32(val, (drvdata->cc_base + reg));
+}
+
+static inline u32 cc_ioread(struct cc_drvdata *drvdata, u32 reg)
+{
+	return ioread32(drvdata->cc_base + reg);
+}
+
+static inline gfp_t cc_gfp_flags(struct crypto_async_request *req)
+{
+	return (req->flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
+			GFP_KERNEL : GFP_ATOMIC;
+}
+
+static inline void set_queue_last_ind(struct cc_drvdata *drvdata,
+				      struct cc_hw_desc *pdesc)
+{
+	if (drvdata->hw_rev >= CC_HW_REV_712)
+		set_queue_last_ind_bit(pdesc);
+}
+
+#endif /*__CC_DRIVER_H__*/