crypto: ccree - introduce CryptoCell driver

Introduce basic low level Arm TrustZone CryptoCell HW support.
This first patch doesn't actually register any Crypto API
transformations, these will follow up in the next patch.

This first revision supports the CC 712 REE component.

Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 169 insertions, 0 deletions

diff --git a/drivers/crypto/ccree/cc_crypto_ctx.h b/drivers/crypto/ccree/cc_crypto_ctx.h
new file mode 100644
index 000000000000..5cb4dde0236e
--- /dev/null
+++ b/drivers/crypto/ccree/cc_crypto_ctx.h
@@ -0,0 +1,169 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2012-2018 ARM Limited or its affiliates. */
+
+#ifndef _CC_CRYPTO_CTX_H_
+#define _CC_CRYPTO_CTX_H_
+
+#include <linux/types.h>
+
+/* context size */
+#ifndef CC_CTX_SIZE_LOG2
+#if (CC_DEV_SHA_MAX > 256)
+#define CC_CTX_SIZE_LOG2 8
+#else
+#define CC_CTX_SIZE_LOG2 7
+#endif
+#endif
+#define CC_CTX_SIZE BIT(CC_CTX_SIZE_LOG2)
+#define CC_DRV_CTX_SIZE_WORDS (CC_CTX_SIZE >> 2)
+
+#define CC_DRV_DES_IV_SIZE 8
+#define CC_DRV_DES_BLOCK_SIZE 8
+
+#define CC_DRV_DES_ONE_KEY_SIZE 8
+#define CC_DRV_DES_DOUBLE_KEY_SIZE 16
+#define CC_DRV_DES_TRIPLE_KEY_SIZE 24
+#define CC_DRV_DES_KEY_SIZE_MAX CC_DRV_DES_TRIPLE_KEY_SIZE
+
+#define CC_AES_IV_SIZE 16
+#define CC_AES_IV_SIZE_WORDS (CC_AES_IV_SIZE >> 2)
+
+#define CC_AES_BLOCK_SIZE 16
+#define CC_AES_BLOCK_SIZE_WORDS 4
+
+#define CC_AES_128_BIT_KEY_SIZE 16
+#define CC_AES_128_BIT_KEY_SIZE_WORDS	(CC_AES_128_BIT_KEY_SIZE >> 2)
+#define CC_AES_192_BIT_KEY_SIZE 24
+#define CC_AES_192_BIT_KEY_SIZE_WORDS	(CC_AES_192_BIT_KEY_SIZE >> 2)
+#define CC_AES_256_BIT_KEY_SIZE 32
+#define CC_AES_256_BIT_KEY_SIZE_WORDS	(CC_AES_256_BIT_KEY_SIZE >> 2)
+#define CC_AES_KEY_SIZE_MAX			CC_AES_256_BIT_KEY_SIZE
+#define CC_AES_KEY_SIZE_WORDS_MAX		(CC_AES_KEY_SIZE_MAX >> 2)
+
+#define CC_MD5_DIGEST_SIZE	16
+#define CC_SHA1_DIGEST_SIZE	20
+#define CC_SHA224_DIGEST_SIZE	28
+#define CC_SHA256_DIGEST_SIZE	32
+#define CC_SHA256_DIGEST_SIZE_IN_WORDS 8
+#define CC_SHA384_DIGEST_SIZE	48
+#define CC_SHA512_DIGEST_SIZE	64
+
+#define CC_SHA1_BLOCK_SIZE 64
+#define CC_SHA1_BLOCK_SIZE_IN_WORDS 16
+#define CC_MD5_BLOCK_SIZE 64
+#define CC_MD5_BLOCK_SIZE_IN_WORDS 16
+#define CC_SHA224_BLOCK_SIZE 64
+#define CC_SHA256_BLOCK_SIZE 64
+#define CC_SHA256_BLOCK_SIZE_IN_WORDS 16
+#define CC_SHA1_224_256_BLOCK_SIZE 64
+#define CC_SHA384_BLOCK_SIZE 128
+#define CC_SHA512_BLOCK_SIZE 128
+
+#if (CC_DEV_SHA_MAX > 256)
+#define CC_DIGEST_SIZE_MAX CC_SHA512_DIGEST_SIZE
+#define CC_HASH_BLOCK_SIZE_MAX CC_SHA512_BLOCK_SIZE /*1024b*/
+#else /* Only up to SHA256 */
+#define CC_DIGEST_SIZE_MAX CC_SHA256_DIGEST_SIZE
+#define CC_HASH_BLOCK_SIZE_MAX CC_SHA256_BLOCK_SIZE /*512b*/
+#endif
+
+#define CC_HMAC_BLOCK_SIZE_MAX CC_HASH_BLOCK_SIZE_MAX
+
+#define CC_DRV_ALG_MAX_BLOCK_SIZE CC_HASH_BLOCK_SIZE_MAX
+
+enum drv_engine_type {
+	DRV_ENGINE_NULL = 0,
+	DRV_ENGINE_AES = 1,
+	DRV_ENGINE_DES = 2,
+	DRV_ENGINE_HASH = 3,
+	DRV_ENGINE_RC4 = 4,
+	DRV_ENGINE_DOUT = 5,
+	DRV_ENGINE_RESERVE32B = S32_MAX,
+};
+
+enum drv_crypto_alg {
+	DRV_CRYPTO_ALG_NULL = -1,
+	DRV_CRYPTO_ALG_AES  = 0,
+	DRV_CRYPTO_ALG_DES  = 1,
+	DRV_CRYPTO_ALG_HASH = 2,
+	DRV_CRYPTO_ALG_C2   = 3,
+	DRV_CRYPTO_ALG_HMAC = 4,
+	DRV_CRYPTO_ALG_AEAD = 5,
+	DRV_CRYPTO_ALG_BYPASS = 6,
+	DRV_CRYPTO_ALG_NUM = 7,
+	DRV_CRYPTO_ALG_RESERVE32B = S32_MAX
+};
+
+enum drv_crypto_direction {
+	DRV_CRYPTO_DIRECTION_NULL = -1,
+	DRV_CRYPTO_DIRECTION_ENCRYPT = 0,
+	DRV_CRYPTO_DIRECTION_DECRYPT = 1,
+	DRV_CRYPTO_DIRECTION_DECRYPT_ENCRYPT = 3,
+	DRV_CRYPTO_DIRECTION_RESERVE32B = S32_MAX
+};
+
+enum drv_cipher_mode {
+	DRV_CIPHER_NULL_MODE = -1,
+	DRV_CIPHER_ECB = 0,
+	DRV_CIPHER_CBC = 1,
+	DRV_CIPHER_CTR = 2,
+	DRV_CIPHER_CBC_MAC = 3,
+	DRV_CIPHER_XTS = 4,
+	DRV_CIPHER_XCBC_MAC = 5,
+	DRV_CIPHER_OFB = 6,
+	DRV_CIPHER_CMAC = 7,
+	DRV_CIPHER_CCM = 8,
+	DRV_CIPHER_CBC_CTS = 11,
+	DRV_CIPHER_GCTR = 12,
+	DRV_CIPHER_ESSIV = 13,
+	DRV_CIPHER_BITLOCKER = 14,
+	DRV_CIPHER_RESERVE32B = S32_MAX
+};
+
+enum drv_hash_mode {
+	DRV_HASH_NULL = -1,
+	DRV_HASH_SHA1 = 0,
+	DRV_HASH_SHA256 = 1,
+	DRV_HASH_SHA224 = 2,
+	DRV_HASH_SHA512 = 3,
+	DRV_HASH_SHA384 = 4,
+	DRV_HASH_MD5 = 5,
+	DRV_HASH_CBC_MAC = 6,
+	DRV_HASH_XCBC_MAC = 7,
+	DRV_HASH_CMAC = 8,
+	DRV_HASH_MODE_NUM = 9,
+	DRV_HASH_RESERVE32B = S32_MAX
+};
+
+enum drv_hash_hw_mode {
+	DRV_HASH_HW_MD5 = 0,
+	DRV_HASH_HW_SHA1 = 1,
+	DRV_HASH_HW_SHA256 = 2,
+	DRV_HASH_HW_SHA224 = 10,
+	DRV_HASH_HW_SHA512 = 4,
+	DRV_HASH_HW_SHA384 = 12,
+	DRV_HASH_HW_GHASH = 6,
+	DRV_HASH_HW_RESERVE32B = S32_MAX
+};
+
+/* drv_crypto_key_type[1:0] is mapped to cipher_do[1:0] */
+/* drv_crypto_key_type[2] is mapped to cipher_config2 */
+enum drv_crypto_key_type {
+	DRV_NULL_KEY = -1,
+	DRV_USER_KEY = 0,		/* 0x000 */
+	DRV_ROOT_KEY = 1,		/* 0x001 */
+	DRV_PROVISIONING_KEY = 2,	/* 0x010 */
+	DRV_SESSION_KEY = 3,		/* 0x011 */
+	DRV_APPLET_KEY = 4,		/* NA */
+	DRV_PLATFORM_KEY = 5,		/* 0x101 */
+	DRV_CUSTOMER_KEY = 6,		/* 0x110 */
+	DRV_END_OF_KEYS = S32_MAX,
+};
+
+enum drv_crypto_padding_type {
+	DRV_PADDING_NONE = 0,
+	DRV_PADDING_PKCS7 = 1,
+	DRV_PADDING_RESERVE32B = S32_MAX
+};
+
+#endif /* _CC_CRYPTO_CTX_H_ */