diff options
Diffstat (limited to 'drivers/crypto/inside-secure/safexcel.h')
| -rw-r--r-- | drivers/crypto/inside-secure/safexcel.h | 201 |
1 files changed, 124 insertions, 77 deletions
diff --git a/drivers/crypto/inside-secure/safexcel.h b/drivers/crypto/inside-secure/safexcel.h index 8b3ee9b59f53..65624a81f0fd 100644 --- a/drivers/crypto/inside-secure/safexcel.h +++ b/drivers/crypto/inside-secure/safexcel.h @@ -1,11 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2017 Marvell * * Antoine Tenart <antoine.tenart@free-electrons.com> - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. */ #ifndef __SAFEXCEL_H__ @@ -95,13 +92,13 @@ #define EIP197_HIA_xDR_STAT 0x003c /* register offsets */ -#define EIP197_HIA_DFE_CFG 0x0000 -#define EIP197_HIA_DFE_THR_CTRL 0x0000 -#define EIP197_HIA_DFE_THR_STAT 0x0004 -#define EIP197_HIA_DSE_CFG 0x0000 -#define EIP197_HIA_DSE_THR_CTRL 0x0000 -#define EIP197_HIA_DSE_THR_STAT 0x0004 -#define EIP197_HIA_RA_PE_CTRL 0x0010 +#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)) @@ -114,18 +111,18 @@ #define EIP197_HIA_MST_CTRL 0xfff4 #define EIP197_HIA_OPTIONS 0xfff8 #define EIP197_HIA_VERSION 0xfffc -#define EIP197_PE_IN_DBUF_THRES 0x0000 -#define EIP197_PE_IN_TBUF_THRES 0x0100 -#define EIP197_PE_ICE_SCRATCH_RAM 0x0800 -#define EIP197_PE_ICE_PUE_CTRL 0x0c80 -#define EIP197_PE_ICE_SCRATCH_CTRL 0x0d04 -#define EIP197_PE_ICE_FPP_CTRL 0x0d80 -#define EIP197_PE_ICE_RAM_CTRL 0x0ff0 -#define EIP197_PE_EIP96_FUNCTION_EN 0x1004 -#define EIP197_PE_EIP96_CONTEXT_CTRL 0x1008 -#define EIP197_PE_EIP96_CONTEXT_STAT 0x100c -#define EIP197_PE_OUT_DBUF_THRES 0x1c00 -#define EIP197_PE_OUT_TBUF_THRES 0x1d00 +#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 */ @@ -184,6 +181,11 @@ #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) @@ -217,6 +219,7 @@ #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) @@ -287,7 +290,7 @@ struct safexcel_context_record { u32 control0; u32 control1; - __le32 data[24]; + __le32 data[40]; } __packed; /* control0 */ @@ -305,14 +308,19 @@ struct safexcel_context_record { #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) @@ -327,6 +335,11 @@ struct safexcel_context_record { #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) @@ -349,13 +362,19 @@ struct safexcel_context_record { #define EIP197_TRC_PARAMS2_RC_SZ_SMALL(n) ((n) << 18) /* Cache helpers */ -#define EIP197_CS_RC_MAX 52 +#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 EIP197_CS_TRC_REC_WC 59 -#define EIP197_CS_TRC_LG_REC_WC 73 +#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 { @@ -450,6 +469,7 @@ struct safexcel_control_data_desc { #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 @@ -480,7 +500,7 @@ enum eip197_fw { FW_NB }; -struct safexcel_ring { +struct safexcel_desc_ring { void *base; void *base_end; dma_addr_t base_dma; @@ -489,8 +509,7 @@ struct safexcel_ring { void *write; void *read; - /* number of elements used in the ring */ - unsigned nr; + /* descriptor element offset */ unsigned offset; }; @@ -500,12 +519,8 @@ enum safexcel_alg_type { SAFEXCEL_ALG_TYPE_AHASH, }; -struct safexcel_request { - struct list_head list; - struct crypto_async_request *req; -}; - struct safexcel_config { + u32 pes; u32 rings; u32 cd_size; @@ -521,9 +536,40 @@ struct safexcel_work_data { 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 { - EIP97, - EIP197, + EIP97IES = BIT(0), + EIP197B = BIT(1), + EIP197D = BIT(2), }; struct safexcel_register_offsets { @@ -539,6 +585,10 @@ struct safexcel_register_offsets { u32 pe; }; +enum safexcel_flags { + EIP197_TRC_CACHE = BIT(0), +}; + struct safexcel_crypto_priv { void __iomem *base; struct device *dev; @@ -548,46 +598,19 @@ struct safexcel_crypto_priv { 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 { - spinlock_t lock; - spinlock_t egress_lock; - - struct list_head list; - struct workqueue_struct *workqueue; - struct safexcel_work_data work_data; - - /* command/result rings */ - struct safexcel_ring cdr; - struct safexcel_ring rdr; - - /* 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; - } ring[EIP197_MAX_RINGS]; + struct safexcel_ring *ring; }; struct safexcel_context { int (*send)(struct crypto_async_request *req, int ring, - struct safexcel_request *request, int *commands, - int *results); + int *commands, int *results); int (*handle_result)(struct safexcel_crypto_priv *priv, int ring, struct crypto_async_request *req, bool *complete, int *ret); @@ -600,13 +623,13 @@ struct safexcel_context { }; struct safexcel_ahash_export_state { - u64 len; - u64 processed; + u64 len[2]; + u64 processed[2]; u32 digest; - u32 state[SHA256_DIGEST_SIZE / sizeof(u32)]; - u8 cache[SHA256_BLOCK_SIZE]; + u32 state[SHA512_DIGEST_SIZE / sizeof(u32)]; + u8 cache[SHA512_BLOCK_SIZE]; }; /* @@ -617,6 +640,7 @@ struct safexcel_ahash_export_state { 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; @@ -635,16 +659,16 @@ int safexcel_rdesc_check_errors(struct safexcel_crypto_priv *priv, 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, - struct safexcel_request *request); + dma_addr_t ctxr_dma, int ring); int safexcel_init_ring_descriptors(struct safexcel_crypto_priv *priv, - struct safexcel_ring *cdr, - struct safexcel_ring *rdr); + 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_ring *ring); + 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_ring *ring); + struct safexcel_desc_ring *ring); struct safexcel_command_desc *safexcel_add_cdesc(struct safexcel_crypto_priv *priv, int ring_id, bool first, bool last, @@ -655,21 +679,44 @@ struct safexcel_result_desc *safexcel_add_rdesc(struct safexcel_crypto_priv *pri 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 |