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path: root/drivers/crypto/chelsio/chcr_crypto.h
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Diffstat (limited to 'drivers/crypto/chelsio/chcr_crypto.h')
-rw-r--r--drivers/crypto/chelsio/chcr_crypto.h200
1 files changed, 126 insertions, 74 deletions
diff --git a/drivers/crypto/chelsio/chcr_crypto.h b/drivers/crypto/chelsio/chcr_crypto.h
index 30af1ee17b87..e1e79e5f01e7 100644
--- a/drivers/crypto/chelsio/chcr_crypto.h
+++ b/drivers/crypto/chelsio/chcr_crypto.h
@@ -41,7 +41,8 @@
#define CCM_B0_SIZE 16
#define CCM_AAD_FIELD_SIZE 2
-#define T6_MAX_AAD_SIZE 511
+// 511 - 16(For IV)
+#define T6_MAX_AAD_SIZE 495
/* Define following if h/w is not dropping the AAD and IV data before
@@ -134,14 +135,16 @@
#define CRYPTO_ALG_SUB_TYPE_HASH_HMAC 0x01000000
#define CRYPTO_ALG_SUB_TYPE_AEAD_RFC4106 0x02000000
#define CRYPTO_ALG_SUB_TYPE_AEAD_GCM 0x03000000
-#define CRYPTO_ALG_SUB_TYPE_AEAD_AUTHENC 0x04000000
+#define CRYPTO_ALG_SUB_TYPE_CBC_SHA 0x04000000
#define CRYPTO_ALG_SUB_TYPE_AEAD_CCM 0x05000000
#define CRYPTO_ALG_SUB_TYPE_AEAD_RFC4309 0x06000000
-#define CRYPTO_ALG_SUB_TYPE_AEAD_NULL 0x07000000
+#define CRYPTO_ALG_SUB_TYPE_CBC_NULL 0x07000000
#define CRYPTO_ALG_SUB_TYPE_CTR 0x08000000
#define CRYPTO_ALG_SUB_TYPE_CTR_RFC3686 0x09000000
#define CRYPTO_ALG_SUB_TYPE_XTS 0x0a000000
#define CRYPTO_ALG_SUB_TYPE_CBC 0x0b000000
+#define CRYPTO_ALG_SUB_TYPE_CTR_SHA 0x0c000000
+#define CRYPTO_ALG_SUB_TYPE_CTR_NULL 0x0d000000
#define CRYPTO_ALG_TYPE_HMAC (CRYPTO_ALG_TYPE_AHASH |\
CRYPTO_ALG_SUB_TYPE_HASH_HMAC)
@@ -149,13 +152,26 @@
#define CHCR_HASH_MAX_BLOCK_SIZE_64 64
#define CHCR_HASH_MAX_BLOCK_SIZE_128 128
-#define CHCR_SG_SIZE 2048
+#define CHCR_SRC_SG_SIZE (0x10000 - sizeof(int))
+#define CHCR_DST_SG_SIZE 2048
-/* Aligned to 128 bit boundary */
+static inline struct chcr_context *a_ctx(struct crypto_aead *tfm)
+{
+ return crypto_aead_ctx(tfm);
+}
+
+static inline struct chcr_context *c_ctx(struct crypto_skcipher *tfm)
+{
+ return crypto_skcipher_ctx(tfm);
+}
+
+static inline struct chcr_context *h_ctx(struct crypto_ahash *tfm)
+{
+ return crypto_tfm_ctx(crypto_ahash_tfm(tfm));
+}
struct ablk_ctx {
struct crypto_skcipher *sw_cipher;
- struct crypto_cipher *aes_generic;
__be32 key_ctx_hdr;
unsigned int enckey_len;
unsigned char ciph_mode;
@@ -165,14 +181,34 @@ struct ablk_ctx {
};
struct chcr_aead_reqctx {
struct sk_buff *skb;
- struct scatterlist *dst;
- struct scatterlist *newdstsg;
- struct scatterlist srcffwd[2];
- struct scatterlist dstffwd[2];
- short int dst_nents;
+ dma_addr_t iv_dma;
+ dma_addr_t b0_dma;
+ unsigned int b0_len;
+ unsigned int op;
+ u16 imm;
u16 verify;
- u8 iv[CHCR_MAX_CRYPTO_IV_LEN];
- unsigned char scratch_pad[MAX_SCRATCH_PAD_SIZE];
+ u16 txqidx;
+ u16 rxqidx;
+ u8 iv[CHCR_MAX_CRYPTO_IV_LEN + MAX_SCRATCH_PAD_SIZE];
+ u8 *scratch_pad;
+};
+
+struct ulptx_walk {
+ struct ulptx_sgl *sgl;
+ unsigned int nents;
+ unsigned int pair_idx;
+ unsigned int last_sg_len;
+ struct scatterlist *last_sg;
+ struct ulptx_sge_pair *pair;
+
+};
+
+struct dsgl_walk {
+ unsigned int nents;
+ unsigned int last_sg_len;
+ struct scatterlist *last_sg;
+ struct cpl_rx_phys_dsgl *dsgl;
+ struct phys_sge_pairs *to;
};
struct chcr_gcm_ctx {
@@ -186,114 +222,130 @@ struct chcr_authenc_ctx {
};
struct __aead_ctx {
- struct chcr_gcm_ctx gcm[0];
- struct chcr_authenc_ctx authenc[0];
+ union {
+ DECLARE_FLEX_ARRAY(struct chcr_gcm_ctx, gcm);
+ DECLARE_FLEX_ARRAY(struct chcr_authenc_ctx, authenc);
+ };
};
-
-
struct chcr_aead_ctx {
__be32 key_ctx_hdr;
unsigned int enckey_len;
- struct crypto_skcipher *null;
struct crypto_aead *sw_cipher;
u8 salt[MAX_SALT];
u8 key[CHCR_AES_MAX_KEY_LEN];
+ u8 nonce[4];
u16 hmac_ctrl;
u16 mayverify;
- struct __aead_ctx ctx[0];
+ struct __aead_ctx ctx[];
};
-
-
struct hmac_ctx {
- struct crypto_shash *base_hash;
u8 ipad[CHCR_HASH_MAX_BLOCK_SIZE_128];
u8 opad[CHCR_HASH_MAX_BLOCK_SIZE_128];
};
struct __crypto_ctx {
- struct hmac_ctx hmacctx[0];
- struct ablk_ctx ablkctx[0];
- struct chcr_aead_ctx aeadctx[0];
+ union {
+ struct hmac_ctx hmacctx;
+ struct ablk_ctx ablkctx;
+ struct chcr_aead_ctx aeadctx;
+ };
};
struct chcr_context {
struct chcr_dev *dev;
- unsigned char tx_qidx;
- unsigned char rx_qidx;
- struct __crypto_ctx crypto_ctx[0];
+ unsigned char rxq_perchan;
+ unsigned char txq_perchan;
+ unsigned int ntxq;
+ unsigned int nrxq;
+ struct completion cbc_aes_aio_done;
+ struct __crypto_ctx crypto_ctx[];
};
-struct chcr_ahash_req_ctx {
+struct chcr_hctx_per_wr {
+ struct scatterlist *srcsg;
+ struct sk_buff *skb;
+ dma_addr_t dma_addr;
+ u32 dma_len;
+ unsigned int src_ofst;
+ unsigned int processed;
u32 result;
- u8 bfr1[CHCR_HASH_MAX_BLOCK_SIZE_128];
- u8 bfr2[CHCR_HASH_MAX_BLOCK_SIZE_128];
+ u8 is_sg_map;
+ u8 imm;
+ /*Final callback called. Driver cannot rely on nbytes to decide
+ * final call
+ */
+ u8 isfinal;
+};
+
+struct chcr_ahash_req_ctx {
+ struct chcr_hctx_per_wr hctx_wr;
u8 *reqbfr;
u8 *skbfr;
+ /* SKB which is being sent to the hardware for processing */
+ u64 data_len; /* Data len till time */
+ u16 txqidx;
+ u16 rxqidx;
u8 reqlen;
- /* DMA the partial hash in it */
u8 partial_hash[CHCR_HASH_MAX_DIGEST_SIZE];
- u64 data_len; /* Data len till time */
- /* SKB which is being sent to the hardware for processing */
- struct sk_buff *skb;
+ u8 bfr1[CHCR_HASH_MAX_BLOCK_SIZE_128];
+ u8 bfr2[CHCR_HASH_MAX_BLOCK_SIZE_128];
};
-struct chcr_blkcipher_req_ctx {
+struct chcr_skcipher_req_ctx {
struct sk_buff *skb;
- struct scatterlist srcffwd[2];
- struct scatterlist dstffwd[2];
struct scatterlist *dstsg;
- struct scatterlist *dst;
- struct scatterlist *newdstsg;
unsigned int processed;
+ unsigned int last_req_len;
+ unsigned int partial_req;
+ struct scatterlist *srcsg;
+ unsigned int src_ofst;
+ unsigned int dst_ofst;
unsigned int op;
- short int dst_nents;
+ u16 imm;
u8 iv[CHCR_MAX_CRYPTO_IV_LEN];
+ u8 init_iv[CHCR_MAX_CRYPTO_IV_LEN];
+ u16 txqidx;
+ u16 rxqidx;
+ struct skcipher_request fallback_req; // keep at the end
};
struct chcr_alg_template {
u32 type;
u32 is_registered;
union {
- struct crypto_alg crypto;
+ struct skcipher_alg skcipher;
struct ahash_alg hash;
struct aead_alg aead;
} alg;
};
-struct chcr_req_ctx {
- union {
- struct ahash_request *ahash_req;
- struct aead_request *aead_req;
- struct ablkcipher_request *ablk_req;
- } req;
- union {
- struct chcr_ahash_req_ctx *ahash_ctx;
- struct chcr_aead_reqctx *reqctx;
- struct chcr_blkcipher_req_ctx *ablk_ctx;
- } ctx;
-};
-
-struct sge_opaque_hdr {
- void *dev;
- dma_addr_t addr[MAX_SKB_FRAGS + 1];
-};
-
typedef struct sk_buff *(*create_wr_t)(struct aead_request *req,
unsigned short qid,
- int size,
- unsigned short op_type);
-
-static int chcr_aead_op(struct aead_request *req_base,
- unsigned short op_type,
- int size,
- create_wr_t create_wr_fn);
-static inline int get_aead_subtype(struct crypto_aead *aead);
-static int is_newsg(struct scatterlist *sgl, unsigned int *newents);
-static struct scatterlist *alloc_new_sg(struct scatterlist *sgl,
- unsigned int nents);
-static inline void free_new_sg(struct scatterlist *sgl);
-static int chcr_handle_cipher_resp(struct ablkcipher_request *req,
- unsigned char *input, int err);
+ int size);
+
+void chcr_verify_tag(struct aead_request *req, u8 *input, int *err);
+int chcr_aead_dma_map(struct device *dev, struct aead_request *req,
+ unsigned short op_type);
+void chcr_aead_dma_unmap(struct device *dev, struct aead_request *req,
+ unsigned short op_type);
+void chcr_add_aead_dst_ent(struct aead_request *req,
+ struct cpl_rx_phys_dsgl *phys_cpl,
+ unsigned short qid);
+void chcr_add_aead_src_ent(struct aead_request *req, struct ulptx_sgl *ulptx);
+void chcr_add_cipher_src_ent(struct skcipher_request *req,
+ void *ulptx,
+ struct cipher_wr_param *wrparam);
+int chcr_cipher_dma_map(struct device *dev, struct skcipher_request *req);
+void chcr_cipher_dma_unmap(struct device *dev, struct skcipher_request *req);
+void chcr_add_cipher_dst_ent(struct skcipher_request *req,
+ struct cpl_rx_phys_dsgl *phys_cpl,
+ struct cipher_wr_param *wrparam,
+ unsigned short qid);
+void chcr_add_hash_src_ent(struct ahash_request *req, struct ulptx_sgl *ulptx,
+ struct hash_wr_param *param);
+int chcr_hash_dma_map(struct device *dev, struct ahash_request *req);
+void chcr_hash_dma_unmap(struct device *dev, struct ahash_request *req);
+void chcr_aead_common_exit(struct aead_request *req);
#endif /* __CHCR_CRYPTO_H__ */
generated by cgit (git 2.34.1) at 2025-12-26 23:06:32 +0000