| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * Copyright (C) 2017 Marvell |
| * |
| * Antoine Tenart <antoine.tenart@free-electrons.com> |
| */ |
| |
| #ifndef __SAFEXCEL_H__ |
| #define __SAFEXCEL_H__ |
| |
| #include <crypto/aead.h> |
| #include <crypto/algapi.h> |
| #include <crypto/internal/hash.h> |
| #include <crypto/sha.h> |
| #include <crypto/skcipher.h> |
| |
| #define EIP197_HIA_VERSION_LE 0xca35 |
| #define EIP197_HIA_VERSION_BE 0x35ca |
| |
| /* Static configuration */ |
| #define EIP197_DEFAULT_RING_SIZE 400 |
| #define EIP197_MAX_TOKENS 8 |
| #define EIP197_MAX_RINGS 4 |
| #define EIP197_FETCH_COUNT 1 |
| #define EIP197_MAX_BATCH_SZ 64 |
| |
| #define EIP197_GFP_FLAGS(base) ((base).flags & CRYPTO_TFM_REQ_MAY_SLEEP ? \ |
| GFP_KERNEL : GFP_ATOMIC) |
| |
| /* Custom on-stack requests (for invalidation) */ |
| #define EIP197_SKCIPHER_REQ_SIZE sizeof(struct skcipher_request) + \ |
| sizeof(struct safexcel_cipher_req) |
| #define EIP197_AHASH_REQ_SIZE sizeof(struct ahash_request) + \ |
| sizeof(struct safexcel_ahash_req) |
| #define EIP197_AEAD_REQ_SIZE sizeof(struct aead_request) + \ |
| sizeof(struct safexcel_cipher_req) |
| #define EIP197_REQUEST_ON_STACK(name, type, size) \ |
| char __##name##_desc[size] CRYPTO_MINALIGN_ATTR; \ |
| struct type##_request *name = (void *)__##name##_desc |
| |
| /* Register base offsets */ |
| #define EIP197_HIA_AIC(priv) ((priv)->base + (priv)->offsets.hia_aic) |
| #define EIP197_HIA_AIC_G(priv) ((priv)->base + (priv)->offsets.hia_aic_g) |
| #define EIP197_HIA_AIC_R(priv) ((priv)->base + (priv)->offsets.hia_aic_r) |
| #define EIP197_HIA_AIC_xDR(priv) ((priv)->base + (priv)->offsets.hia_aic_xdr) |
| #define EIP197_HIA_DFE(priv) ((priv)->base + (priv)->offsets.hia_dfe) |
| #define EIP197_HIA_DFE_THR(priv) ((priv)->base + (priv)->offsets.hia_dfe_thr) |
| #define EIP197_HIA_DSE(priv) ((priv)->base + (priv)->offsets.hia_dse) |
| #define EIP197_HIA_DSE_THR(priv) ((priv)->base + (priv)->offsets.hia_dse_thr) |
| #define EIP197_HIA_GEN_CFG(priv) ((priv)->base + (priv)->offsets.hia_gen_cfg) |
| #define EIP197_PE(priv) ((priv)->base + (priv)->offsets.pe) |
| |
| /* EIP197 base offsets */ |
| #define EIP197_HIA_AIC_BASE 0x90000 |
| #define EIP197_HIA_AIC_G_BASE 0x90000 |
| #define EIP197_HIA_AIC_R_BASE 0x90800 |
| #define EIP197_HIA_AIC_xDR_BASE 0x80000 |
| #define EIP197_HIA_DFE_BASE 0x8c000 |
| #define EIP197_HIA_DFE_THR_BASE 0x8c040 |
| #define EIP197_HIA_DSE_BASE 0x8d000 |
| #define EIP197_HIA_DSE_THR_BASE 0x8d040 |
| #define EIP197_HIA_GEN_CFG_BASE 0xf0000 |
| #define EIP197_PE_BASE 0xa0000 |
| |
| /* EIP97 base offsets */ |
| #define EIP97_HIA_AIC_BASE 0x0 |
| #define EIP97_HIA_AIC_G_BASE 0x0 |
| #define EIP97_HIA_AIC_R_BASE 0x0 |
| #define EIP97_HIA_AIC_xDR_BASE 0x0 |
| #define EIP97_HIA_DFE_BASE 0xf000 |
| #define EIP97_HIA_DFE_THR_BASE 0xf200 |
| #define EIP97_HIA_DSE_BASE 0xf400 |
| #define EIP97_HIA_DSE_THR_BASE 0xf600 |
| #define EIP97_HIA_GEN_CFG_BASE 0x10000 |
| #define EIP97_PE_BASE 0x10000 |
| |
| /* CDR/RDR register offsets */ |
| #define EIP197_HIA_xDR_OFF(priv, r) (EIP197_HIA_AIC_xDR(priv) + (r) * 0x1000) |
| #define EIP197_HIA_CDR(priv, r) (EIP197_HIA_xDR_OFF(priv, r)) |
| #define EIP197_HIA_RDR(priv, r) (EIP197_HIA_xDR_OFF(priv, r) + 0x800) |
| #define EIP197_HIA_xDR_RING_BASE_ADDR_LO 0x0000 |
| #define EIP197_HIA_xDR_RING_BASE_ADDR_HI 0x0004 |
| #define EIP197_HIA_xDR_RING_SIZE 0x0018 |
| #define EIP197_HIA_xDR_DESC_SIZE 0x001c |
| #define EIP197_HIA_xDR_CFG 0x0020 |
| #define EIP197_HIA_xDR_DMA_CFG 0x0024 |
| #define EIP197_HIA_xDR_THRESH 0x0028 |
| #define EIP197_HIA_xDR_PREP_COUNT 0x002c |
| #define EIP197_HIA_xDR_PROC_COUNT 0x0030 |
| #define EIP197_HIA_xDR_PREP_PNTR 0x0034 |
| #define EIP197_HIA_xDR_PROC_PNTR 0x0038 |
| #define EIP197_HIA_xDR_STAT 0x003c |
| |
| /* register offsets */ |
| #define EIP197_HIA_DFE_CFG(n) (0x0000 + (128 * (n))) |
| #define EIP197_HIA_DFE_THR_CTRL(n) (0x0000 + (128 * (n))) |
| #define EIP197_HIA_DFE_THR_STAT(n) (0x0004 + (128 * (n))) |
| #define EIP197_HIA_DSE_CFG(n) (0x0000 + (128 * (n))) |
| #define EIP197_HIA_DSE_THR_CTRL(n) (0x0000 + (128 * (n))) |
| #define EIP197_HIA_DSE_THR_STAT(n) (0x0004 + (128 * (n))) |
| #define EIP197_HIA_RA_PE_CTRL(n) (0x0010 + (8 * (n))) |
| #define EIP197_HIA_RA_PE_STAT 0x0014 |
| #define EIP197_HIA_AIC_R_OFF(r) ((r) * 0x1000) |
| #define EIP197_HIA_AIC_R_ENABLE_CTRL(r) (0xe008 - EIP197_HIA_AIC_R_OFF(r)) |
| #define EIP197_HIA_AIC_R_ENABLED_STAT(r) (0xe010 - EIP197_HIA_AIC_R_OFF(r)) |
| #define EIP197_HIA_AIC_R_ACK(r) (0xe010 - EIP197_HIA_AIC_R_OFF(r)) |
| #define EIP197_HIA_AIC_R_ENABLE_CLR(r) (0xe014 - EIP197_HIA_AIC_R_OFF(r)) |
| #define EIP197_HIA_AIC_G_ENABLE_CTRL 0xf808 |
| #define EIP197_HIA_AIC_G_ENABLED_STAT 0xf810 |
| #define EIP197_HIA_AIC_G_ACK 0xf810 |
| #define EIP197_HIA_MST_CTRL 0xfff4 |
| #define EIP197_HIA_OPTIONS 0xfff8 |
| #define EIP197_HIA_VERSION 0xfffc |
| #define EIP197_PE_IN_DBUF_THRES(n) (0x0000 + (0x2000 * (n))) |
| #define EIP197_PE_IN_TBUF_THRES(n) (0x0100 + (0x2000 * (n))) |
| #define EIP197_PE_ICE_SCRATCH_RAM(n) (0x0800 + (0x2000 * (n))) |
| #define EIP197_PE_ICE_PUE_CTRL(n) (0x0c80 + (0x2000 * (n))) |
| #define EIP197_PE_ICE_SCRATCH_CTRL(n) (0x0d04 + (0x2000 * (n))) |
| #define EIP197_PE_ICE_FPP_CTRL(n) (0x0d80 + (0x2000 * (n))) |
| #define EIP197_PE_ICE_RAM_CTRL(n) (0x0ff0 + (0x2000 * (n))) |
| #define EIP197_PE_EIP96_FUNCTION_EN(n) (0x1004 + (0x2000 * (n))) |
| #define EIP197_PE_EIP96_CONTEXT_CTRL(n) (0x1008 + (0x2000 * (n))) |
| #define EIP197_PE_EIP96_CONTEXT_STAT(n) (0x100c + (0x2000 * (n))) |
| #define EIP197_PE_OUT_DBUF_THRES(n) (0x1c00 + (0x2000 * (n))) |
| #define EIP197_PE_OUT_TBUF_THRES(n) (0x1d00 + (0x2000 * (n))) |
| #define EIP197_MST_CTRL 0xfff4 |
| |
| /* EIP197-specific registers, no indirection */ |
| #define EIP197_CLASSIFICATION_RAMS 0xe0000 |
| #define EIP197_TRC_CTRL 0xf0800 |
| #define EIP197_TRC_LASTRES 0xf0804 |
| #define EIP197_TRC_REGINDEX 0xf0808 |
| #define EIP197_TRC_PARAMS 0xf0820 |
| #define EIP197_TRC_FREECHAIN 0xf0824 |
| #define EIP197_TRC_PARAMS2 0xf0828 |
| #define EIP197_TRC_ECCCTRL 0xf0830 |
| #define EIP197_TRC_ECCSTAT 0xf0834 |
| #define EIP197_TRC_ECCADMINSTAT 0xf0838 |
| #define EIP197_TRC_ECCDATASTAT 0xf083c |
| #define EIP197_TRC_ECCDATA 0xf0840 |
| #define EIP197_CS_RAM_CTRL 0xf7ff0 |
| |
| /* EIP197_HIA_xDR_DESC_SIZE */ |
| #define EIP197_xDR_DESC_MODE_64BIT BIT(31) |
| |
| /* EIP197_HIA_xDR_DMA_CFG */ |
| #define EIP197_HIA_xDR_WR_RES_BUF BIT(22) |
| #define EIP197_HIA_xDR_WR_CTRL_BUF BIT(23) |
| #define EIP197_HIA_xDR_WR_OWN_BUF BIT(24) |
| #define EIP197_HIA_xDR_CFG_WR_CACHE(n) (((n) & 0x7) << 25) |
| #define EIP197_HIA_xDR_CFG_RD_CACHE(n) (((n) & 0x7) << 29) |
| |
| /* EIP197_HIA_CDR_THRESH */ |
| #define EIP197_HIA_CDR_THRESH_PROC_PKT(n) (n) |
| #define EIP197_HIA_CDR_THRESH_PROC_MODE BIT(22) |
| #define EIP197_HIA_CDR_THRESH_PKT_MODE BIT(23) |
| #define EIP197_HIA_CDR_THRESH_TIMEOUT(n) ((n) << 24) /* x256 clk cycles */ |
| |
| /* EIP197_HIA_RDR_THRESH */ |
| #define EIP197_HIA_RDR_THRESH_PROC_PKT(n) (n) |
| #define EIP197_HIA_RDR_THRESH_PKT_MODE BIT(23) |
| #define EIP197_HIA_RDR_THRESH_TIMEOUT(n) ((n) << 24) /* x256 clk cycles */ |
| |
| /* EIP197_HIA_xDR_PREP_COUNT */ |
| #define EIP197_xDR_PREP_CLR_COUNT BIT(31) |
| |
| /* EIP197_HIA_xDR_PROC_COUNT */ |
| #define EIP197_xDR_PROC_xD_PKT_OFFSET 24 |
| #define EIP197_xDR_PROC_xD_PKT_MASK GENMASK(6, 0) |
| #define EIP197_xDR_PROC_xD_COUNT(n) ((n) << 2) |
| #define EIP197_xDR_PROC_xD_PKT(n) ((n) << 24) |
| #define EIP197_xDR_PROC_CLR_COUNT BIT(31) |
| |
| /* EIP197_HIA_xDR_STAT */ |
| #define EIP197_xDR_DMA_ERR BIT(0) |
| #define EIP197_xDR_PREP_CMD_THRES BIT(1) |
| #define EIP197_xDR_ERR BIT(2) |
| #define EIP197_xDR_THRESH BIT(4) |
| #define EIP197_xDR_TIMEOUT BIT(5) |
| |
| #define EIP197_HIA_RA_PE_CTRL_RESET BIT(31) |
| #define EIP197_HIA_RA_PE_CTRL_EN BIT(30) |
| |
| /* EIP197_HIA_OPTIONS */ |
| #define EIP197_N_PES_OFFSET 4 |
| #define EIP197_N_PES_MASK GENMASK(4, 0) |
| #define EIP97_N_PES_MASK GENMASK(2, 0) |
| |
| /* EIP197_HIA_AIC_R_ENABLE_CTRL */ |
| #define EIP197_CDR_IRQ(n) BIT((n) * 2) |
| #define EIP197_RDR_IRQ(n) BIT((n) * 2 + 1) |
| |
| /* EIP197_HIA_DFE/DSE_CFG */ |
| #define EIP197_HIA_DxE_CFG_MIN_DATA_SIZE(n) ((n) << 0) |
| #define EIP197_HIA_DxE_CFG_DATA_CACHE_CTRL(n) (((n) & 0x7) << 4) |
| #define EIP197_HIA_DxE_CFG_MAX_DATA_SIZE(n) ((n) << 8) |
| #define EIP197_HIA_DSE_CFG_ALWAYS_BUFFERABLE GENMASK(15, 14) |
| #define EIP197_HIA_DxE_CFG_MIN_CTRL_SIZE(n) ((n) << 16) |
| #define EIP197_HIA_DxE_CFG_CTRL_CACHE_CTRL(n) (((n) & 0x7) << 20) |
| #define EIP197_HIA_DxE_CFG_MAX_CTRL_SIZE(n) ((n) << 24) |
| #define EIP197_HIA_DFE_CFG_DIS_DEBUG (BIT(31) | BIT(29)) |
| #define EIP197_HIA_DSE_CFG_EN_SINGLE_WR BIT(29) |
| #define EIP197_HIA_DSE_CFG_DIS_DEBUG BIT(31) |
| |
| /* EIP197_HIA_DFE/DSE_THR_CTRL */ |
| #define EIP197_DxE_THR_CTRL_EN BIT(30) |
| #define EIP197_DxE_THR_CTRL_RESET_PE BIT(31) |
| |
| /* EIP197_HIA_AIC_G_ENABLED_STAT */ |
| #define EIP197_G_IRQ_DFE(n) BIT((n) << 1) |
| #define EIP197_G_IRQ_DSE(n) BIT(((n) << 1) + 1) |
| #define EIP197_G_IRQ_RING BIT(16) |
| #define EIP197_G_IRQ_PE(n) BIT((n) + 20) |
| |
| /* EIP197_HIA_MST_CTRL */ |
| #define RD_CACHE_3BITS 0x5 |
| #define WR_CACHE_3BITS 0x3 |
| #define RD_CACHE_4BITS (RD_CACHE_3BITS << 1 | BIT(0)) |
| #define WR_CACHE_4BITS (WR_CACHE_3BITS << 1 | BIT(0)) |
| #define EIP197_MST_CTRL_RD_CACHE(n) (((n) & 0xf) << 0) |
| #define EIP197_MST_CTRL_WD_CACHE(n) (((n) & 0xf) << 4) |
| #define EIP197_MST_CTRL_TX_MAX_CMD(n) (((n) & 0xf) << 20) |
| #define EIP197_MST_CTRL_BYTE_SWAP BIT(24) |
| #define EIP197_MST_CTRL_NO_BYTE_SWAP BIT(25) |
| |
| /* EIP197_PE_IN_DBUF/TBUF_THRES */ |
| #define EIP197_PE_IN_xBUF_THRES_MIN(n) ((n) << 8) |
| #define EIP197_PE_IN_xBUF_THRES_MAX(n) ((n) << 12) |
| |
| /* EIP197_PE_OUT_DBUF_THRES */ |
| #define EIP197_PE_OUT_DBUF_THRES_MIN(n) ((n) << 0) |
| #define EIP197_PE_OUT_DBUF_THRES_MAX(n) ((n) << 4) |
| |
| /* EIP197_PE_ICE_SCRATCH_CTRL */ |
| #define EIP197_PE_ICE_SCRATCH_CTRL_CHANGE_TIMER BIT(2) |
| #define EIP197_PE_ICE_SCRATCH_CTRL_TIMER_EN BIT(3) |
| #define EIP197_PE_ICE_SCRATCH_CTRL_CHANGE_ACCESS BIT(24) |
| #define EIP197_PE_ICE_SCRATCH_CTRL_SCRATCH_ACCESS BIT(25) |
| |
| /* EIP197_PE_ICE_SCRATCH_RAM */ |
| #define EIP197_NUM_OF_SCRATCH_BLOCKS 32 |
| |
| /* EIP197_PE_ICE_PUE/FPP_CTRL */ |
| #define EIP197_PE_ICE_x_CTRL_SW_RESET BIT(0) |
| #define EIP197_PE_ICE_x_CTRL_CLR_ECC_NON_CORR BIT(14) |
| #define EIP197_PE_ICE_x_CTRL_CLR_ECC_CORR BIT(15) |
| |
| /* EIP197_PE_ICE_RAM_CTRL */ |
| #define EIP197_PE_ICE_RAM_CTRL_PUE_PROG_EN BIT(0) |
| #define EIP197_PE_ICE_RAM_CTRL_FPP_PROG_EN BIT(1) |
| |
| /* EIP197_PE_EIP96_FUNCTION_EN */ |
| #define EIP197_FUNCTION_RSVD (BIT(6) | BIT(15) | BIT(20) | BIT(23)) |
| #define EIP197_PROTOCOL_HASH_ONLY BIT(0) |
| #define EIP197_PROTOCOL_ENCRYPT_ONLY BIT(1) |
| #define EIP197_PROTOCOL_HASH_ENCRYPT BIT(2) |
| #define EIP197_PROTOCOL_HASH_DECRYPT BIT(3) |
| #define EIP197_PROTOCOL_ENCRYPT_HASH BIT(4) |
| #define EIP197_PROTOCOL_DECRYPT_HASH BIT(5) |
| #define EIP197_ALG_ARC4 BIT(7) |
| #define EIP197_ALG_AES_ECB BIT(8) |
| #define EIP197_ALG_AES_CBC BIT(9) |
| #define EIP197_ALG_AES_CTR_ICM BIT(10) |
| #define EIP197_ALG_AES_OFB BIT(11) |
| #define EIP197_ALG_AES_CFB BIT(12) |
| #define EIP197_ALG_DES_ECB BIT(13) |
| #define EIP197_ALG_DES_CBC BIT(14) |
| #define EIP197_ALG_DES_OFB BIT(16) |
| #define EIP197_ALG_DES_CFB BIT(17) |
| #define EIP197_ALG_3DES_ECB BIT(18) |
| #define EIP197_ALG_3DES_CBC BIT(19) |
| #define EIP197_ALG_3DES_OFB BIT(21) |
| #define EIP197_ALG_3DES_CFB BIT(22) |
| #define EIP197_ALG_MD5 BIT(24) |
| #define EIP197_ALG_HMAC_MD5 BIT(25) |
| #define EIP197_ALG_SHA1 BIT(26) |
| #define EIP197_ALG_HMAC_SHA1 BIT(27) |
| #define EIP197_ALG_SHA2 BIT(28) |
| #define EIP197_ALG_HMAC_SHA2 BIT(29) |
| #define EIP197_ALG_AES_XCBC_MAC BIT(30) |
| #define EIP197_ALG_GCM_HASH BIT(31) |
| |
| /* EIP197_PE_EIP96_CONTEXT_CTRL */ |
| #define EIP197_CONTEXT_SIZE(n) (n) |
| #define EIP197_ADDRESS_MODE BIT(8) |
| #define EIP197_CONTROL_MODE BIT(9) |
| |
| /* Context Control */ |
| struct safexcel_context_record { |
| u32 control0; |
| u32 control1; |
| |
| __le32 data[40]; |
| } __packed; |
| |
| /* control0 */ |
| #define CONTEXT_CONTROL_TYPE_NULL_OUT 0x0 |
| #define CONTEXT_CONTROL_TYPE_NULL_IN 0x1 |
| #define CONTEXT_CONTROL_TYPE_HASH_OUT 0x2 |
| #define CONTEXT_CONTROL_TYPE_HASH_IN 0x3 |
| #define CONTEXT_CONTROL_TYPE_CRYPTO_OUT 0x4 |
| #define CONTEXT_CONTROL_TYPE_CRYPTO_IN 0x5 |
| #define CONTEXT_CONTROL_TYPE_ENCRYPT_HASH_OUT 0x6 |
| #define CONTEXT_CONTROL_TYPE_DECRYPT_HASH_IN 0x7 |
| #define CONTEXT_CONTROL_TYPE_HASH_ENCRYPT_OUT 0xe |
| #define CONTEXT_CONTROL_TYPE_HASH_DECRYPT_IN 0xf |
| #define CONTEXT_CONTROL_RESTART_HASH BIT(4) |
| #define CONTEXT_CONTROL_NO_FINISH_HASH BIT(5) |
| #define CONTEXT_CONTROL_SIZE(n) ((n) << 8) |
| #define CONTEXT_CONTROL_KEY_EN BIT(16) |
| #define CONTEXT_CONTROL_CRYPTO_ALG_DES (0x0 << 17) |
| #define CONTEXT_CONTROL_CRYPTO_ALG_3DES (0x2 << 17) |
| #define CONTEXT_CONTROL_CRYPTO_ALG_AES128 (0x5 << 17) |
| #define CONTEXT_CONTROL_CRYPTO_ALG_AES192 (0x6 << 17) |
| #define CONTEXT_CONTROL_CRYPTO_ALG_AES256 (0x7 << 17) |
| #define CONTEXT_CONTROL_DIGEST_PRECOMPUTED (0x1 << 21) |
| #define CONTEXT_CONTROL_DIGEST_HMAC (0x3 << 21) |
| #define CONTEXT_CONTROL_CRYPTO_ALG_MD5 (0x0 << 23) |
| #define CONTEXT_CONTROL_CRYPTO_ALG_SHA1 (0x2 << 23) |
| #define CONTEXT_CONTROL_CRYPTO_ALG_SHA224 (0x4 << 23) |
| #define CONTEXT_CONTROL_CRYPTO_ALG_SHA256 (0x3 << 23) |
| #define CONTEXT_CONTROL_CRYPTO_ALG_SHA384 (0x6 << 23) |
| #define CONTEXT_CONTROL_CRYPTO_ALG_SHA512 (0x5 << 23) |
| #define CONTEXT_CONTROL_INV_FR (0x5 << 24) |
| #define CONTEXT_CONTROL_INV_TR (0x6 << 24) |
| |
| /* control1 */ |
| #define CONTEXT_CONTROL_CRYPTO_MODE_ECB (0 << 0) |
| #define CONTEXT_CONTROL_CRYPTO_MODE_CBC (1 << 0) |
| #define CONTEXT_CONTROL_IV0 BIT(5) |
| #define CONTEXT_CONTROL_IV1 BIT(6) |
| #define CONTEXT_CONTROL_IV2 BIT(7) |
| #define CONTEXT_CONTROL_IV3 BIT(8) |
| #define CONTEXT_CONTROL_DIGEST_CNT BIT(9) |
| #define CONTEXT_CONTROL_COUNTER_MODE BIT(10) |
| #define CONTEXT_CONTROL_HASH_STORE BIT(19) |
| |
| /* The hash counter given to the engine in the context has a granularity of |
| * 64 bits. |
| */ |
| #define EIP197_COUNTER_BLOCK_SIZE 64 |
| |
| /* EIP197_CS_RAM_CTRL */ |
| #define EIP197_TRC_ENABLE_0 BIT(4) |
| #define EIP197_TRC_ENABLE_1 BIT(5) |
| #define EIP197_TRC_ENABLE_2 BIT(6) |
| #define EIP197_TRC_ENABLE_MASK GENMASK(6, 4) |
| |
| /* EIP197_TRC_PARAMS */ |
| #define EIP197_TRC_PARAMS_SW_RESET BIT(0) |
| #define EIP197_TRC_PARAMS_DATA_ACCESS BIT(2) |
| #define EIP197_TRC_PARAMS_HTABLE_SZ(x) ((x) << 4) |
| #define EIP197_TRC_PARAMS_BLK_TIMER_SPEED(x) ((x) << 10) |
| #define EIP197_TRC_PARAMS_RC_SZ_LARGE(n) ((n) << 18) |
| |
| /* EIP197_TRC_FREECHAIN */ |
| #define EIP197_TRC_FREECHAIN_HEAD_PTR(p) (p) |
| #define EIP197_TRC_FREECHAIN_TAIL_PTR(p) ((p) << 16) |
| |
| /* EIP197_TRC_PARAMS2 */ |
| #define EIP197_TRC_PARAMS2_HTABLE_PTR(p) (p) |
| #define EIP197_TRC_PARAMS2_RC_SZ_SMALL(n) ((n) << 18) |
| |
| /* Cache helpers */ |
| #define EIP197B_CS_RC_MAX 52 |
| #define EIP197D_CS_RC_MAX 96 |
| #define EIP197_CS_RC_SIZE (4 * sizeof(u32)) |
| #define EIP197_CS_RC_NEXT(x) (x) |
| #define EIP197_CS_RC_PREV(x) ((x) << 10) |
| #define EIP197_RC_NULL 0x3ff |
| #define EIP197B_CS_TRC_REC_WC 59 |
| #define EIP197D_CS_TRC_REC_WC 64 |
| #define EIP197B_CS_TRC_LG_REC_WC 73 |
| #define EIP197D_CS_TRC_LG_REC_WC 80 |
| #define EIP197B_CS_HT_WC 64 |
| #define EIP197D_CS_HT_WC 256 |
| |
| |
| /* Result data */ |
| struct result_data_desc { |
| u32 packet_length:17; |
| u32 error_code:15; |
| |
| u8 bypass_length:4; |
| u8 e15:1; |
| u16 rsvd0; |
| u8 hash_bytes:1; |
| u8 hash_length:6; |
| u8 generic_bytes:1; |
| u8 checksum:1; |
| u8 next_header:1; |
| u8 length:1; |
| |
| u16 application_id; |
| u16 rsvd1; |
| |
| u32 rsvd2; |
| } __packed; |
| |
| |
| /* Basic Result Descriptor format */ |
| struct safexcel_result_desc { |
| u32 particle_size:17; |
| u8 rsvd0:3; |
| u8 descriptor_overflow:1; |
| u8 buffer_overflow:1; |
| u8 last_seg:1; |
| u8 first_seg:1; |
| u16 result_size:8; |
| |
| u32 rsvd1; |
| |
| u32 data_lo; |
| u32 data_hi; |
| |
| struct result_data_desc result_data; |
| } __packed; |
| |
| struct safexcel_token { |
| u32 packet_length:17; |
| u8 stat:2; |
| u16 instructions:9; |
| u8 opcode:4; |
| } __packed; |
| |
| #define EIP197_TOKEN_HASH_RESULT_VERIFY BIT(16) |
| |
| #define EIP197_TOKEN_STAT_LAST_HASH BIT(0) |
| #define EIP197_TOKEN_STAT_LAST_PACKET BIT(1) |
| #define EIP197_TOKEN_OPCODE_DIRECTION 0x0 |
| #define EIP197_TOKEN_OPCODE_INSERT 0x2 |
| #define EIP197_TOKEN_OPCODE_NOOP EIP197_TOKEN_OPCODE_INSERT |
| #define EIP197_TOKEN_OPCODE_RETRIEVE 0x4 |
| #define EIP197_TOKEN_OPCODE_VERIFY 0xd |
| #define EIP197_TOKEN_OPCODE_BYPASS GENMASK(3, 0) |
| |
| static inline void eip197_noop_token(struct safexcel_token *token) |
| { |
| token->opcode = EIP197_TOKEN_OPCODE_NOOP; |
| token->packet_length = BIT(2); |
| } |
| |
| /* Instructions */ |
| #define EIP197_TOKEN_INS_INSERT_HASH_DIGEST 0x1c |
| #define EIP197_TOKEN_INS_TYPE_OUTPUT BIT(5) |
| #define EIP197_TOKEN_INS_TYPE_HASH BIT(6) |
| #define EIP197_TOKEN_INS_TYPE_CRYTO BIT(7) |
| #define EIP197_TOKEN_INS_LAST BIT(8) |
| |
| /* Processing Engine Control Data */ |
| struct safexcel_control_data_desc { |
| u32 packet_length:17; |
| u16 options:13; |
| u8 type:2; |
| |
| u16 application_id; |
| u16 rsvd; |
| |
| u8 refresh:2; |
| u32 context_lo:30; |
| u32 context_hi; |
| |
| u32 control0; |
| u32 control1; |
| |
| u32 token[EIP197_MAX_TOKENS]; |
| } __packed; |
| |
| #define EIP197_OPTION_MAGIC_VALUE BIT(0) |
| #define EIP197_OPTION_64BIT_CTX BIT(1) |
| #define EIP197_OPTION_CTX_CTRL_IN_CMD BIT(8) |
| #define EIP197_OPTION_2_TOKEN_IV_CMD GENMASK(11, 10) |
| #define EIP197_OPTION_4_TOKEN_IV_CMD GENMASK(11, 9) |
| |
| #define EIP197_TYPE_EXTENDED 0x3 |
| |
| /* Basic Command Descriptor format */ |
| struct safexcel_command_desc { |
| u32 particle_size:17; |
| u8 rsvd0:5; |
| u8 last_seg:1; |
| u8 first_seg:1; |
| u16 additional_cdata_size:8; |
| |
| u32 rsvd1; |
| |
| u32 data_lo; |
| u32 data_hi; |
| |
| struct safexcel_control_data_desc control_data; |
| } __packed; |
| |
| /* |
| * Internal structures & functions |
| */ |
| |
| enum eip197_fw { |
| FW_IFPP = 0, |
| FW_IPUE, |
| FW_NB |
| }; |
| |
| struct safexcel_desc_ring { |
| void *base; |
| void *base_end; |
| dma_addr_t base_dma; |
| |
| /* write and read pointers */ |
| void *write; |
| void *read; |
| |
| /* descriptor element offset */ |
| unsigned offset; |
| }; |
| |
| enum safexcel_alg_type { |
| SAFEXCEL_ALG_TYPE_SKCIPHER, |
| SAFEXCEL_ALG_TYPE_AEAD, |
| SAFEXCEL_ALG_TYPE_AHASH, |
| }; |
| |
| struct safexcel_config { |
| u32 pes; |
| u32 rings; |
| |
| u32 cd_size; |
| u32 cd_offset; |
| |
| u32 rd_size; |
| u32 rd_offset; |
| }; |
| |
| struct safexcel_work_data { |
| struct work_struct work; |
| struct safexcel_crypto_priv *priv; |
| int ring; |
| }; |
| |
| struct safexcel_ring { |
| spinlock_t lock; |
| |
| struct workqueue_struct *workqueue; |
| struct safexcel_work_data work_data; |
| |
| /* command/result rings */ |
| struct safexcel_desc_ring cdr; |
| struct safexcel_desc_ring rdr; |
| |
| /* result ring crypto API request */ |
| struct crypto_async_request **rdr_req; |
| |
| /* queue */ |
| struct crypto_queue queue; |
| spinlock_t queue_lock; |
| |
| /* Number of requests in the engine. */ |
| int requests; |
| |
| /* The ring is currently handling at least one request */ |
| bool busy; |
| |
| /* Store for current requests when bailing out of the dequeueing |
| * function when no enough resources are available. |
| */ |
| struct crypto_async_request *req; |
| struct crypto_async_request *backlog; |
| }; |
| |
| enum safexcel_eip_version { |
| EIP97IES = BIT(0), |
| EIP197B = BIT(1), |
| EIP197D = BIT(2), |
| }; |
| |
| struct safexcel_register_offsets { |
| u32 hia_aic; |
| u32 hia_aic_g; |
| u32 hia_aic_r; |
| u32 hia_aic_xdr; |
| u32 hia_dfe; |
| u32 hia_dfe_thr; |
| u32 hia_dse; |
| u32 hia_dse_thr; |
| u32 hia_gen_cfg; |
| u32 pe; |
| }; |
| |
| enum safexcel_flags { |
| EIP197_TRC_CACHE = BIT(0), |
| }; |
| |
| struct safexcel_crypto_priv { |
| void __iomem *base; |
| struct device *dev; |
| struct clk *clk; |
| struct clk *reg_clk; |
| struct safexcel_config config; |
| |
| enum safexcel_eip_version version; |
| struct safexcel_register_offsets offsets; |
| u32 flags; |
| |
| /* context DMA pool */ |
| struct dma_pool *context_pool; |
| |
| atomic_t ring_used; |
| |
| struct safexcel_ring *ring; |
| }; |
| |
| struct safexcel_context { |
| int (*send)(struct crypto_async_request *req, int ring, |
| int *commands, int *results); |
| int (*handle_result)(struct safexcel_crypto_priv *priv, int ring, |
| struct crypto_async_request *req, bool *complete, |
| int *ret); |
| struct safexcel_context_record *ctxr; |
| dma_addr_t ctxr_dma; |
| |
| int ring; |
| bool needs_inv; |
| bool exit_inv; |
| }; |
| |
| struct safexcel_ahash_export_state { |
| u64 len[2]; |
| u64 processed[2]; |
| |
| u32 digest; |
| |
| u32 state[SHA512_DIGEST_SIZE / sizeof(u32)]; |
| u8 cache[SHA512_BLOCK_SIZE]; |
| }; |
| |
| /* |
| * Template structure to describe the algorithms in order to register them. |
| * It also has the purpose to contain our private structure and is actually |
| * the only way I know in this framework to avoid having global pointers... |
| */ |
| struct safexcel_alg_template { |
| struct safexcel_crypto_priv *priv; |
| enum safexcel_alg_type type; |
| u32 engines; |
| union { |
| struct skcipher_alg skcipher; |
| struct aead_alg aead; |
| struct ahash_alg ahash; |
| } alg; |
| }; |
| |
| struct safexcel_inv_result { |
| struct completion completion; |
| int error; |
| }; |
| |
| void safexcel_dequeue(struct safexcel_crypto_priv *priv, int ring); |
| int safexcel_rdesc_check_errors(struct safexcel_crypto_priv *priv, |
| struct safexcel_result_desc *rdesc); |
| void safexcel_complete(struct safexcel_crypto_priv *priv, int ring); |
| int safexcel_invalidate_cache(struct crypto_async_request *async, |
| struct safexcel_crypto_priv *priv, |
| dma_addr_t ctxr_dma, int ring); |
| int safexcel_init_ring_descriptors(struct safexcel_crypto_priv *priv, |
| struct safexcel_desc_ring *cdr, |
| struct safexcel_desc_ring *rdr); |
| int safexcel_select_ring(struct safexcel_crypto_priv *priv); |
| void *safexcel_ring_next_rptr(struct safexcel_crypto_priv *priv, |
| struct safexcel_desc_ring *ring); |
| void *safexcel_ring_first_rptr(struct safexcel_crypto_priv *priv, int ring); |
| void safexcel_ring_rollback_wptr(struct safexcel_crypto_priv *priv, |
| struct safexcel_desc_ring *ring); |
| struct safexcel_command_desc *safexcel_add_cdesc(struct safexcel_crypto_priv *priv, |
| int ring_id, |
| bool first, bool last, |
| dma_addr_t data, u32 len, |
| u32 full_data_len, |
| dma_addr_t context); |
| struct safexcel_result_desc *safexcel_add_rdesc(struct safexcel_crypto_priv *priv, |
| int ring_id, |
| bool first, bool last, |
| dma_addr_t data, u32 len); |
| int safexcel_ring_first_rdr_index(struct safexcel_crypto_priv *priv, |
| int ring); |
| int safexcel_ring_rdr_rdesc_index(struct safexcel_crypto_priv *priv, |
| int ring, |
| struct safexcel_result_desc *rdesc); |
| void safexcel_rdr_req_set(struct safexcel_crypto_priv *priv, |
| int ring, |
| struct safexcel_result_desc *rdesc, |
| struct crypto_async_request *req); |
| inline struct crypto_async_request * |
| safexcel_rdr_req_get(struct safexcel_crypto_priv *priv, int ring); |
| void safexcel_inv_complete(struct crypto_async_request *req, int error); |
| int safexcel_hmac_setkey(const char *alg, const u8 *key, unsigned int keylen, |
| void *istate, void *ostate); |
| |
| /* available algorithms */ |
| extern struct safexcel_alg_template safexcel_alg_ecb_des; |
| extern struct safexcel_alg_template safexcel_alg_cbc_des; |
| extern struct safexcel_alg_template safexcel_alg_ecb_des3_ede; |
| extern struct safexcel_alg_template safexcel_alg_cbc_des3_ede; |
| extern struct safexcel_alg_template safexcel_alg_ecb_aes; |
| extern struct safexcel_alg_template safexcel_alg_cbc_aes; |
| extern struct safexcel_alg_template safexcel_alg_md5; |
| extern struct safexcel_alg_template safexcel_alg_sha1; |
| extern struct safexcel_alg_template safexcel_alg_sha224; |
| extern struct safexcel_alg_template safexcel_alg_sha256; |
| extern struct safexcel_alg_template safexcel_alg_sha384; |
| extern struct safexcel_alg_template safexcel_alg_sha512; |
| extern struct safexcel_alg_template safexcel_alg_hmac_md5; |
| extern struct safexcel_alg_template safexcel_alg_hmac_sha1; |
| extern struct safexcel_alg_template safexcel_alg_hmac_sha224; |
| extern struct safexcel_alg_template safexcel_alg_hmac_sha256; |
| extern struct safexcel_alg_template safexcel_alg_hmac_sha384; |
| extern struct safexcel_alg_template safexcel_alg_hmac_sha512; |
| extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha1_cbc_aes; |
| extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha224_cbc_aes; |
| extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha256_cbc_aes; |
| extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha384_cbc_aes; |
| extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha512_cbc_aes; |
| |
| #endif |
