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crypto: caam - refactor ahash_edesc_alloc
Changed parameters for ahash_edesc_alloc function: - remove flags since they can be computed in ahash_edesc_alloc, the only place they are needed; - use ahash_request instead of caam_hash_ctx, to be able to compute gfp flags. Signed-off-by: Iuliana Prodan <iuliana.prodan@nxp.com> Reviewed-by: Horia Geanta <horia.geanta@nxp.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Iuliana Prodan
Herbert Xu
parent
c3f7394eb9
commit
2ba1e79831
@ -661,11 +661,14 @@ static void ahash_done_ctx_dst(struct device *jrdev, u32 *desc, u32 err,
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* Allocate an enhanced descriptor, which contains the hardware descriptor
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* and space for hardware scatter table containing sg_num entries.
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*/
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static struct ahash_edesc *ahash_edesc_alloc(struct caam_hash_ctx *ctx,
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static struct ahash_edesc *ahash_edesc_alloc(struct ahash_request *req,
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int sg_num, u32 *sh_desc,
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dma_addr_t sh_desc_dma,
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gfp_t flags)
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dma_addr_t sh_desc_dma)
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{
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struct crypto_ahash *ahash = crypto_ahash_reqtfm(req);
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struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash);
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gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
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GFP_KERNEL : GFP_ATOMIC;
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struct ahash_edesc *edesc;
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unsigned int sg_size = sg_num * sizeof(struct sec4_sg_entry);
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@ -724,8 +727,6 @@ static int ahash_update_ctx(struct ahash_request *req)
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struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash);
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struct caam_hash_state *state = ahash_request_ctx(req);
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struct device *jrdev = ctx->jrdev;
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gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
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GFP_KERNEL : GFP_ATOMIC;
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u8 *buf = state->buf;
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int *buflen = &state->buflen;
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int *next_buflen = &state->next_buflen;
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@ -779,8 +780,8 @@ static int ahash_update_ctx(struct ahash_request *req)
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* allocate space for base edesc and hw desc commands,
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* link tables
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*/
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edesc = ahash_edesc_alloc(ctx, pad_nents, ctx->sh_desc_update,
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ctx->sh_desc_update_dma, flags);
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edesc = ahash_edesc_alloc(req, pad_nents, ctx->sh_desc_update,
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ctx->sh_desc_update_dma);
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if (!edesc) {
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dma_unmap_sg(jrdev, req->src, src_nents, DMA_TO_DEVICE);
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return -ENOMEM;
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@ -854,8 +855,6 @@ static int ahash_final_ctx(struct ahash_request *req)
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struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash);
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struct caam_hash_state *state = ahash_request_ctx(req);
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struct device *jrdev = ctx->jrdev;
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gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
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GFP_KERNEL : GFP_ATOMIC;
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int buflen = state->buflen;
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u32 *desc;
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int sec4_sg_bytes;
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@ -867,8 +866,8 @@ static int ahash_final_ctx(struct ahash_request *req)
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sizeof(struct sec4_sg_entry);
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/* allocate space for base edesc and hw desc commands, link tables */
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edesc = ahash_edesc_alloc(ctx, 4, ctx->sh_desc_fin,
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ctx->sh_desc_fin_dma, flags);
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edesc = ahash_edesc_alloc(req, 4, ctx->sh_desc_fin,
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ctx->sh_desc_fin_dma);
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if (!edesc)
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return -ENOMEM;
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@ -920,8 +919,6 @@ static int ahash_finup_ctx(struct ahash_request *req)
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struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash);
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struct caam_hash_state *state = ahash_request_ctx(req);
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struct device *jrdev = ctx->jrdev;
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gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
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GFP_KERNEL : GFP_ATOMIC;
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int buflen = state->buflen;
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u32 *desc;
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int sec4_sg_src_index;
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@ -950,9 +947,8 @@ static int ahash_finup_ctx(struct ahash_request *req)
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sec4_sg_src_index = 1 + (buflen ? 1 : 0);
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/* allocate space for base edesc and hw desc commands, link tables */
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edesc = ahash_edesc_alloc(ctx, sec4_sg_src_index + mapped_nents,
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ctx->sh_desc_fin, ctx->sh_desc_fin_dma,
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flags);
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edesc = ahash_edesc_alloc(req, sec4_sg_src_index + mapped_nents,
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ctx->sh_desc_fin, ctx->sh_desc_fin_dma);
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if (!edesc) {
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dma_unmap_sg(jrdev, req->src, src_nents, DMA_TO_DEVICE);
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return -ENOMEM;
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@ -1000,8 +996,6 @@ static int ahash_digest(struct ahash_request *req)
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struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash);
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struct caam_hash_state *state = ahash_request_ctx(req);
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struct device *jrdev = ctx->jrdev;
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gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
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GFP_KERNEL : GFP_ATOMIC;
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u32 *desc;
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int digestsize = crypto_ahash_digestsize(ahash);
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int src_nents, mapped_nents;
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@ -1028,9 +1022,8 @@ static int ahash_digest(struct ahash_request *req)
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}
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/* allocate space for base edesc and hw desc commands, link tables */
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edesc = ahash_edesc_alloc(ctx, mapped_nents > 1 ? mapped_nents : 0,
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ctx->sh_desc_digest, ctx->sh_desc_digest_dma,
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flags);
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edesc = ahash_edesc_alloc(req, mapped_nents > 1 ? mapped_nents : 0,
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ctx->sh_desc_digest, ctx->sh_desc_digest_dma);
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if (!edesc) {
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dma_unmap_sg(jrdev, req->src, src_nents, DMA_TO_DEVICE);
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return -ENOMEM;
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@ -1077,8 +1070,6 @@ static int ahash_final_no_ctx(struct ahash_request *req)
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struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash);
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struct caam_hash_state *state = ahash_request_ctx(req);
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struct device *jrdev = ctx->jrdev;
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gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
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GFP_KERNEL : GFP_ATOMIC;
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u8 *buf = state->buf;
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int buflen = state->buflen;
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u32 *desc;
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@ -1087,8 +1078,8 @@ static int ahash_final_no_ctx(struct ahash_request *req)
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int ret;
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/* allocate space for base edesc and hw desc commands, link tables */
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edesc = ahash_edesc_alloc(ctx, 0, ctx->sh_desc_digest,
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ctx->sh_desc_digest_dma, flags);
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edesc = ahash_edesc_alloc(req, 0, ctx->sh_desc_digest,
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ctx->sh_desc_digest_dma);
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if (!edesc)
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return -ENOMEM;
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@ -1136,8 +1127,6 @@ static int ahash_update_no_ctx(struct ahash_request *req)
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struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash);
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struct caam_hash_state *state = ahash_request_ctx(req);
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struct device *jrdev = ctx->jrdev;
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gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
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GFP_KERNEL : GFP_ATOMIC;
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u8 *buf = state->buf;
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int *buflen = &state->buflen;
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int *next_buflen = &state->next_buflen;
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@ -1190,10 +1179,9 @@ static int ahash_update_no_ctx(struct ahash_request *req)
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* allocate space for base edesc and hw desc commands,
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* link tables
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*/
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edesc = ahash_edesc_alloc(ctx, pad_nents,
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edesc = ahash_edesc_alloc(req, pad_nents,
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ctx->sh_desc_update_first,
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ctx->sh_desc_update_first_dma,
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flags);
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ctx->sh_desc_update_first_dma);
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if (!edesc) {
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dma_unmap_sg(jrdev, req->src, src_nents, DMA_TO_DEVICE);
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return -ENOMEM;
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@ -1261,8 +1249,6 @@ static int ahash_finup_no_ctx(struct ahash_request *req)
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struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash);
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struct caam_hash_state *state = ahash_request_ctx(req);
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struct device *jrdev = ctx->jrdev;
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gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
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GFP_KERNEL : GFP_ATOMIC;
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int buflen = state->buflen;
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u32 *desc;
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int sec4_sg_bytes, sec4_sg_src_index, src_nents, mapped_nents;
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@ -1292,9 +1278,8 @@ static int ahash_finup_no_ctx(struct ahash_request *req)
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sizeof(struct sec4_sg_entry);
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/* allocate space for base edesc and hw desc commands, link tables */
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edesc = ahash_edesc_alloc(ctx, sec4_sg_src_index + mapped_nents,
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ctx->sh_desc_digest, ctx->sh_desc_digest_dma,
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flags);
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edesc = ahash_edesc_alloc(req, sec4_sg_src_index + mapped_nents,
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ctx->sh_desc_digest, ctx->sh_desc_digest_dma);
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if (!edesc) {
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dma_unmap_sg(jrdev, req->src, src_nents, DMA_TO_DEVICE);
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return -ENOMEM;
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@ -1347,8 +1332,6 @@ static int ahash_update_first(struct ahash_request *req)
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struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash);
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struct caam_hash_state *state = ahash_request_ctx(req);
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struct device *jrdev = ctx->jrdev;
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gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
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GFP_KERNEL : GFP_ATOMIC;
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u8 *buf = state->buf;
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int *buflen = &state->buflen;
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int *next_buflen = &state->next_buflen;
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@ -1396,11 +1379,10 @@ static int ahash_update_first(struct ahash_request *req)
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* allocate space for base edesc and hw desc commands,
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* link tables
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*/
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edesc = ahash_edesc_alloc(ctx, mapped_nents > 1 ?
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edesc = ahash_edesc_alloc(req, mapped_nents > 1 ?
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mapped_nents : 0,
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ctx->sh_desc_update_first,
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ctx->sh_desc_update_first_dma,
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flags);
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ctx->sh_desc_update_first_dma);
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if (!edesc) {
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dma_unmap_sg(jrdev, req->src, src_nents, DMA_TO_DEVICE);
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return -ENOMEM;
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