/* * Driver for Tegra Security Engine * * Copyright (c) 2011, NVIDIA Corporation. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #ifndef _CRYPTO_TEGRA_SE_H #define _CRYPTO_TEGRA_SE_H #include #include #define PFX "tegra-se: " #define TEGRA_SE_CRA_PRIORITY 300 #define TEGRA_SE_COMPOSITE_PRIORITY 400 #define TEGRA_SE_CRYPTO_QUEUE_LENGTH 50 #define SE_MAX_SRC_SG_COUNT 50 #define SE_MAX_DST_SG_COUNT 50 #define TEGRA_SE_KEYSLOT_COUNT 16 /* SE register definitions */ #define SE_CONFIG_REG_OFFSET 0x014 #define SE_CONFIG_ENC_ALG_SHIFT 12 #define SE_CONFIG_DEC_ALG_SHIFT 8 #define ALG_AES_ENC 1 #define ALG_RNG 2 #define ALG_SHA 3 #define ALG_NOP 0 #define ALG_AES_DEC 1 #define SE_CONFIG_ENC_ALG(x) (x << SE_CONFIG_ENC_ALG_SHIFT) #define SE_CONFIG_DEC_ALG(x) (x << SE_CONFIG_DEC_ALG_SHIFT) #define SE_CONFIG_DST_SHIFT 2 #define DST_MEMORY 0 #define DST_HASHREG 1 #define DST_KEYTAB 2 #define DST_SRK 3 #define SE_CONFIG_DST(x) (x << SE_CONFIG_DST_SHIFT) #define SE_CONFIG_ENC_MODE_SHIFT 24 #define SE_CONFIG_DEC_MODE_SHIFT 16 #define MODE_KEY128 0 #define MODE_KEY192 1 #define MODE_KEY256 2 #define MODE_SHA1 0 #define MODE_SHA224 4 #define MODE_SHA256 5 #define MODE_SHA384 6 #define MODE_SHA512 7 #define SE_CONFIG_ENC_MODE(x) (x << SE_CONFIG_ENC_MODE_SHIFT) #define SE_CONFIG_DEC_MODE(x) (x << SE_CONFIG_DEC_MODE_SHIFT) #define SE_KEYTABLE_REG_OFFSET 0x31c #define SE_KEYTABLE_SLOT_SHIFT 4 #define SE_KEYTABLE_SLOT(x) (x << SE_KEYTABLE_SLOT_SHIFT) #define SE_KEYTABLE_QUAD_SHIFT 2 #define QUAD_KEYS_128 0 #define QUAD_KEYS_192 1 #define QUAD_KEYS_256 1 #define QUAD_ORG_IV 2 #define QUAD_UPDTD_IV 3 #define SE_KEYTABLE_QUAD(x) (x << SE_KEYTABLE_QUAD_SHIFT) #define SE_KEYTABLE_OP_TYPE_SHIFT 9 #define OP_READ 0 #define OP_WRITE 1 #define SE_KEYTABLE_OP_TYPE(x) (x << SE_KEYTABLE_OP_TYPE_SHIFT) #define SE_KEYTABLE_TABLE_SEL_SHIFT 8 #define TABLE_KEYIV 0 #define TABLE_SCHEDULE 1 #define SE_KEYTABLE_TABLE_SEL(x) (x << SE_KEYTABLE_TABLE_SEL_SHIFT) #define SE_KEYTABLE_PKT_SHIFT 0 #define SE_KEYTABLE_PKT(x) (x << SE_KEYTABLE_PKT_SHIFT) #define SE_CRYPTO_REG_OFFSET 0x304 #define SE_CRYPTO_HASH_SHIFT 0 #define HASH_DISABLE 0 #define HASH_ENABLE 1 #define SE_CRYPTO_HASH(x) (x << SE_CRYPTO_HASH_SHIFT) #define SE_CRYPTO_XOR_POS_SHIFT 1 #define XOR_BYPASS 0 #define XOR_TOP 2 #define XOR_BOTTOM 3 #define SE_CRYPTO_XOR_POS(x) (x << SE_CRYPTO_XOR_POS_SHIFT) #define SE_CRYPTO_INPUT_SEL_SHIFT 3 #define INPUT_AHB 0 #define INPUT_LFSR 1 #define INPUT_AESOUT 2 #define INPUT_LNR_CTR 3 #define SE_CRYPTO_INPUT_SEL(x) (x << SE_CRYPTO_INPUT_SEL_SHIFT) #define SE_CRYPTO_VCTRAM_SEL_SHIFT 5 #define VCTRAM_AHB 0 #define VCTRAM_AESOUT 2 #define VCTRAM_PREVAHB 3 #define SE_CRYPTO_VCTRAM_SEL(x) (x << SE_CRYPTO_VCTRAM_SEL_SHIFT) #define SE_CRYPTO_IV_SEL_SHIFT 7 #define IV_ORIGINAL 0 #define IV_UPDATED 1 #define SE_CRYPTO_IV_SEL(x) (x << SE_CRYPTO_IV_SEL_SHIFT) #define SE_CRYPTO_CORE_SEL_SHIFT 8 #define CORE_DECRYPT 0 #define CORE_ENCRYPT 1 #define SE_CRYPTO_CORE_SEL(x) (x << SE_CRYPTO_CORE_SEL_SHIFT) #define SE_CRYPTO_CTR_VAL_SHIFT 11 #define SE_CRYPTO_CTR_VAL(x) (x << SE_CRYPTO_CTR_VAL_SHIFT) #define SE_CRYPTO_KEY_INDEX_SHIFT 24 #define SE_CRYPTO_KEY_INDEX(x) (x << SE_CRYPTO_KEY_INDEX_SHIFT) #define SE_CRYPTO_CTR_CNTN_SHIFT 11 #define SE_CRYPTO_CTR_CNTN(x) (x << SE_CRYPTO_CTR_CNTN_SHIFT) #define SE_CRYPTO_CTR_REG_COUNT 4 #define SE_CRYPTO_CTR_REG_OFFSET 0x308 #define SE_OPERATION_REG_OFFSET 0x008 #define SE_OPERATION_SHIFT 0 #define OP_ABORT 0 #define OP_SRART 1 #define OP_RESTART 2 #define OP_CTX_SAVE 3 #define SE_OPERATION(x) (x << SE_OPERATION_SHIFT) #define SE_CONTEXT_SAVE_CONFIG_REG_OFFSET 0x070 #define SE_CONTEXT_SAVE_WORD_QUAD_SHIFT 0 #define KEYS_0_3 0 #define KEYS_4_7 1 #define ORIG_IV 2 #define UPD_IV 3 #define SE_CONTEXT_SAVE_WORD_QUAD(x) (x << SE_CONTEXT_SAVE_WORD_QUAD_SHIFT) #define SE_CONTEXT_SAVE_KEY_INDEX_SHIFT 8 #define SE_CONTEXT_SAVE_KEY_INDEX(x) (x << SE_CONTEXT_SAVE_KEY_INDEX_SHIFT) #define SE_CONTEXT_SAVE_SRC_SHIFT 30 #define STICKY_BITS 0 #define KEYTABLE 1 #define MEM 2 #define SRK 3 #define SE_CONTEXT_SAVE_SRC(x) (x << SE_CONTEXT_SAVE_SRC_SHIFT) #define SE_INT_ENABLE_REG_OFFSET 0x00c #define SE_INT_STATUS_REG_OFFSET 0x010 #define INT_DISABLE 0 #define INT_ENABLE 1 #define INT_UNSET 0 #define INT_SET 1 #define SE_INT_OP_DONE_SHIFT 4 #define SE_INT_OP_DONE(x) (x << SE_INT_OP_DONE_SHIFT) #define SE_INT_ERROR_SHIFT 16 #define SE_INT_ERROR(x) (x << SE_INT_ERROR_SHIFT) #define SE_CRYPTO_KEYTABLE_DST_REG_OFFSET 0X330 #define SE_CRYPTO_KEYTABLE_DST_WORD_QUAD_SHIFT 0 #define SE_CRYPTO_KEYTABLE_DST_WORD_QUAD(x) \ (x << SE_CRYPTO_KEYTABLE_DST_WORD_QUAD_SHIFT) #define SE_KEY_INDEX_SHIFT 8 #define SE_CRYPTO_KEYTABLE_DST_KEY_INDEX(x) (x << SE_KEY_INDEX_SHIFT) #define SE_IN_LL_ADDR_REG_OFFSET 0x018 #define SE_OUT_LL_ADDR_REG_OFFSET 0x024 #define SE_KEYTABLE_DATA0_REG_OFFSET 0x320 #define SE_KEYTABLE_REG_MAX_DATA 16 #define SE_BLOCK_COUNT_REG_OFFSET 0x318 #define SE_SPARE_0_REG_OFFSET 0x80c #define SE_SHA_CONFIG_REG_OFFSET 0x200 #define SHA_DISABLE 0 #define SHA_ENABLE 1 #define SE_SHA_MSG_LENGTH_REG_OFFSET 0x204 #define SE_SHA_MSG_LEFT_REG_OFFSET 0x214 #define SE_HASH_RESULT_REG_COUNT 16 #define SE_HASH_RESULT_REG_OFFSET 0x030 #define TEGRA_SE_KEY_256_SIZE 32 #define TEGRA_SE_KEY_192_SIZE 24 #define TEGRA_SE_KEY_128_SIZE 16 #define TEGRA_SE_AES_BLOCK_SIZE 16 #define TEGRA_SE_AES_MIN_KEY_SIZE 16 #define TEGRA_SE_AES_MAX_KEY_SIZE 32 #define TEGRA_SE_AES_IV_SIZE 16 #define TEGRA_SE_RNG_IV_SIZE 16 #define TEGRA_SE_RNG_DT_SIZE 16 #define TEGRA_SE_RNG_KEY_SIZE 16 #define TEGRA_SE_RNG_SEED_SIZE (TEGRA_SE_RNG_IV_SIZE + \ TEGRA_SE_RNG_KEY_SIZE + \ TEGRA_SE_RNG_DT_SIZE) #define TEGRA_SE_AES_CMAC_DIGEST_SIZE 16 #define SE_KEY_TABLE_ACCESS_REG_OFFSET 0x284 #define SE_KEY_READ_DISABLE_SHIFT 0 #define SE_CONTEXT_BUFER_SIZE 1072 #define SE_CONTEXT_SAVE_RANDOM_DATA_OFFSET 0 #define SE_CONTEXT_SAVE_RANDOM_DATA_SIZE 16 #define SE_CONTEXT_SAVE_STICKY_BITS_OFFSET \ (SE_CONTEXT_SAVE_RANDOM_DATA_OFFSET + SE_CONTEXT_SAVE_RANDOM_DATA_SIZE) #define SE_CONTEXT_SAVE_STICKY_BITS_SIZE 16 #define SE_CONTEXT_SAVE_KEYS_OFFSET (SE_CONTEXT_SAVE_STICKY_BITS_OFFSET + \ SE_CONTEXT_SAVE_STICKY_BITS_SIZE) #define SE_CONTEXT_SAVE_KEY_LENGTH 512 #define SE_CONTEXT_ORIGINAL_IV_OFFSET (SE_CONTEXT_SAVE_KEYS_OFFSET + \ SE_CONTEXT_SAVE_KEY_LENGTH) #define SE_CONTEXT_ORIGINAL_IV_LENGTH 256 #define SE_CONTEXT_UPDATED_IV_OFFSET (SE_CONTEXT_ORIGINAL_IV_OFFSET + \ SE_CONTEXT_ORIGINAL_IV_LENGTH) #define SE_CONTEXT_UPDATED_IV_LENGTH 256 #define SE_CONTEXT_KNOWN_PATTERN_OFFSET (SE_CONTEXT_UPDATED_IV_OFFSET + \ SE_CONTEXT_UPDATED_IV_LENGTH) #define SE_CONTEXT_KNOWN_PATTERN_SIZE 16 #endif /* _CRYPTO_TEGRA_SE_H */