diff options
Diffstat (limited to 'drivers/crypto/cavium/nitrox/nitrox_req.h')
| -rw-r--r-- | drivers/crypto/cavium/nitrox/nitrox_req.h | 86 |
1 files changed, 84 insertions, 2 deletions
diff --git a/drivers/crypto/cavium/nitrox/nitrox_req.h b/drivers/crypto/cavium/nitrox/nitrox_req.h index 76c0f0be7233..6bf088bcdd11 100644 --- a/drivers/crypto/cavium/nitrox/nitrox_req.h +++ b/drivers/crypto/cavium/nitrox/nitrox_req.h @@ -10,6 +10,8 @@ #define PENDING_SIG 0xFFFFFFFFFFFFFFFFUL #define PRIO 4001 +typedef void (*sereq_completion_t)(void *req, int err); + /** * struct gphdr - General purpose Header * @param0: first parameter. @@ -147,6 +149,7 @@ struct auth_keys { union fc_ctx_flags { __be64 f; + u64 fu; struct { #if defined(__BIG_ENDIAN_BITFIELD) u64 cipher_type : 4; @@ -203,12 +206,58 @@ struct nitrox_crypto_ctx { struct flexi_crypto_context *fctx; } u; struct crypto_ctx_hdr *chdr; + sereq_completion_t callback; }; struct nitrox_kcrypt_request { struct se_crypto_request creq; u8 *src; u8 *dst; + u8 *iv_out; +}; + +/** + * struct nitrox_aead_rctx - AEAD request context + * @nkreq: Base request context + * @cryptlen: Encryption/Decryption data length + * @assoclen: AAD length + * @srclen: Input buffer length + * @dstlen: Output buffer length + * @iv: IV data + * @ivsize: IV data length + * @flags: AEAD req flags + * @ctx_handle: Device context handle + * @src: Source sglist + * @dst: Destination sglist + * @ctrl_arg: Identifies the request type (ENCRYPT/DECRYPT) + */ +struct nitrox_aead_rctx { + struct nitrox_kcrypt_request nkreq; + unsigned int cryptlen; + unsigned int assoclen; + unsigned int srclen; + unsigned int dstlen; + u8 *iv; + int ivsize; + u32 flags; + u64 ctx_handle; + struct scatterlist *src; + struct scatterlist *dst; + u8 ctrl_arg; +}; + +/** + * struct nitrox_rfc4106_rctx - rfc4106 cipher request context + * @base: AEAD request context + * @src: Source sglist + * @dst: Destination sglist + * @assoc: AAD + */ +struct nitrox_rfc4106_rctx { + struct nitrox_aead_rctx base; + struct scatterlist src[3]; + struct scatterlist dst[3]; + u8 assoc[20]; }; /** @@ -232,6 +281,7 @@ struct nitrox_kcrypt_request { * - packet payload bytes */ union pkt_instr_hdr { + __be64 bev; u64 value; struct { #if defined(__BIG_ENDIAN_BITFIELD) @@ -276,6 +326,7 @@ union pkt_instr_hdr { * @ctxp: Context pointer. CTXP<63,2:0> must be zero in all cases. */ union pkt_hdr { + __be64 bev[2]; u64 value[2]; struct { #if defined(__BIG_ENDIAN_BITFIELD) @@ -322,6 +373,7 @@ union pkt_hdr { * sglist components at [RPTR] on the remote host. */ union slc_store_info { + __be64 bev[2]; u64 value[2]; struct { #if defined(__BIG_ENDIAN_BITFIELD) @@ -356,9 +408,39 @@ struct nps_pkt_instr { }; /** + * struct aqmq_command_s - The 32 byte command for AE processing. + * @opcode: Request opcode + * @param1: Request control parameter 1 + * @param2: Request control parameter 2 + * @dlen: Input length + * @dptr: Input pointer points to buffer in remote host + * @rptr: Result pointer points to buffer in remote host + * @grp: AQM Group (0..7) + * @cptr: Context pointer + */ +struct aqmq_command_s { + __be16 opcode; + __be16 param1; + __be16 param2; + __be16 dlen; + __be64 dptr; + __be64 rptr; + union { + __be64 word3; +#if defined(__BIG_ENDIAN_BITFIELD) + u64 grp : 3; + u64 cptr : 61; +#else + u64 cptr : 61; + u64 grp : 3; +#endif + }; +}; + +/** * struct ctx_hdr - Book keeping data about the crypto context * @pool: Pool used to allocate crypto context - * @dma: Base DMA address of the cypto context + * @dma: Base DMA address of the crypto context * @ctx_dma: Actual usable crypto context for NITROX */ struct ctx_hdr { @@ -512,7 +594,7 @@ static inline struct scatterlist *create_multi_sg(struct scatterlist *to_sg, struct scatterlist *sg = to_sg; unsigned int sglen; - for (; buflen; buflen -= sglen) { + for (; buflen && from_sg; buflen -= sglen) { sglen = from_sg->length; if (sglen > buflen) sglen = buflen; |