drivers: crypto: hisilicon: implement SEC ciphers

Add the Hisilicon SEC as a drvcrypt cipher provider.
Supported for DES-ECB/CBC 3DES-ECB/CBC AES-ECB/CBC/CTR
SM4-ECB/CBC/CTR.

Signed-off-by: Xiaoxu Zeng <zengxiaoxu@huawei.com>

core/drivers/crypto/hisilicon/crypto.mk

@@ -0,0 +1,6 @@
+ifeq ($(CFG_HISILICON_CRYPTO_DRIVER),y)
+$(call force,CFG_CRYPTO_DRIVER,y)
+CFG_CRYPTO_DRIVER_DEBUG ?= 0
+$(call force,CFG_CRYPTO_DRV_CIPHER,y,Mandated by CFG_HISILICON_CRYPTO_DRIVER)
+$(call force,CFG_CRYPTO_DRV_ACIPHER,y,Mandated by CFG_HISILICON_CRYPTO_DRIVER)
+endif

core/drivers/crypto/hisilicon/include/hisi_cipher.h

@@ -0,0 +1,77 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (c) 2022, HiSilicon Limited
+ */
+#ifndef __HISI_CIPHER_H__
+#define __HISI_CIPHER_H__
+
+#include <drvcrypt.h>
+#include <drvcrypt_cipher.h>
+
+enum C_ALG {
+	C_ALG_DES = 0x0,
+	C_ALG_3DES = 0x1,
+	C_ALG_AES = 0x2,
+	C_ALG_SM4 = 0x3,
+};
+
+enum C_MODE {
+	C_MODE_ECB = 0x0,
+	C_MODE_CBC,
+	C_MODE_CFB,
+	C_MODE_OFB,
+	C_MODE_CTR,
+	C_MODE_CCM,
+	C_MODE_GCM,
+	C_MODE_XTS,
+	C_MODE_CBC_CS = 0x9,
+};
+
+#define DES_KEY_SIZE 8
+#define SEC_3DES_2KEY_SIZE (2 * DES_KEY_SIZE)
+#define SEC_3DES_3KEY_SIZE (3 * DES_KEY_SIZE)
+#define SEC_SM4_XTS_KEY_SIZE 32
+#define SEC_SM4_ECB_KEY_SIZE 16
+#define SEC_MAX_CIPHER_KEY_SIZE 64
+#define MAX_CIPHER_LENGTH 16776704
+#define MIN_CIPHER_LENGTH 16
+
+#define DES_CBC_IV_SIZE 8
+#define AES_SM4_IV_SIZE 16
+#define SEC_MAX_IV_SIZE 16
+#define CTR_MODE_LEN_SHIFT 4
+#define CTR_128BIT_COUNTER 16
+#define AES_SM4_BLOCK_SIZE 16
+#define LEFT_MOST_BIT 7
+
+static inline uint32_t multiple_round(uint32_t x, uint32_t y)
+{
+	uint32_t res = 0;
+
+	if (ADD_OVERFLOW(x, y - 1, &res))
+		res = UINT32_MAX;
+
+	return res / y;
+}
+
+struct sec_cipher_ctx {
+	uint8_t key[SEC_MAX_CIPHER_KEY_SIZE];
+	uint8_t iv[SEC_MAX_IV_SIZE];
+	uint64_t key_dma;
+	uint64_t iv_dma;
+	uint8_t *in;
+	uint64_t in_dma;
+	uint8_t *out;
+	uint64_t out_dma;
+	struct hisi_qp *qp;
+	size_t offs;
+	uint32_t len;
+	uint8_t alg;
+	uint8_t mode;
+	uint8_t iv_len;
+	uint8_t key_len; /* cipher key len */
+	uint8_t c_key_len; /* cipher key type */
+	bool encrypt;
+};
+
+#endif