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, which can be obtained from request. Signed-off-by: Iuliana Prodan <iuliana.prodan@xxxxxxx> --- drivers/crypto/caam/caamhash.c | 62 +++++++++++++++--------------------------- 1 file changed, 22 insertions(+), 40 deletions(-) diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c index 3d6e978..5f9f16c 100644 --- a/drivers/crypto/caam/caamhash.c +++ b/drivers/crypto/caam/caamhash.c @@ -685,11 +685,14 @@ static void ahash_done_ctx_dst(struct device *jrdev, u32 *desc, u32 err, * Allocate an enhanced descriptor, which contains the hardware descriptor * and space for hardware scatter table containing sg_num entries. */ -static struct ahash_edesc *ahash_edesc_alloc(struct caam_hash_ctx *ctx, +static struct ahash_edesc *ahash_edesc_alloc(struct ahash_request *req, int sg_num, u32 *sh_desc, - dma_addr_t sh_desc_dma, - gfp_t flags) + dma_addr_t sh_desc_dma) { + struct crypto_ahash *ahash = crypto_ahash_reqtfm(req); + struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash); + gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? + GFP_KERNEL : GFP_ATOMIC; struct ahash_edesc *edesc; unsigned int sg_size = sg_num * sizeof(struct sec4_sg_entry); @@ -748,8 +751,6 @@ static int ahash_update_ctx(struct ahash_request *req) struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash); struct caam_hash_state *state = ahash_request_ctx(req); struct device *jrdev = ctx->jrdev; - gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? - GFP_KERNEL : GFP_ATOMIC; u8 *buf = current_buf(state); int *buflen = current_buflen(state); u8 *next_buf = alt_buf(state); @@ -805,8 +806,8 @@ static int ahash_update_ctx(struct ahash_request *req) * allocate space for base edesc and hw desc commands, * link tables */ - edesc = ahash_edesc_alloc(ctx, pad_nents, ctx->sh_desc_update, - ctx->sh_desc_update_dma, flags); + edesc = ahash_edesc_alloc(req, pad_nents, ctx->sh_desc_update, + ctx->sh_desc_update_dma); if (!edesc) { dma_unmap_sg(jrdev, req->src, src_nents, DMA_TO_DEVICE); return -ENOMEM; @@ -887,8 +888,6 @@ static int ahash_final_ctx(struct ahash_request *req) struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash); struct caam_hash_state *state = ahash_request_ctx(req); struct device *jrdev = ctx->jrdev; - gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? - GFP_KERNEL : GFP_ATOMIC; int buflen = *current_buflen(state); u32 *desc; int sec4_sg_bytes; @@ -900,8 +899,8 @@ static int ahash_final_ctx(struct ahash_request *req) sizeof(struct sec4_sg_entry); /* allocate space for base edesc and hw desc commands, link tables */ - edesc = ahash_edesc_alloc(ctx, 4, ctx->sh_desc_fin, - ctx->sh_desc_fin_dma, flags); + edesc = ahash_edesc_alloc(req, 4, ctx->sh_desc_fin, + ctx->sh_desc_fin_dma); if (!edesc) return -ENOMEM; @@ -953,8 +952,6 @@ static int ahash_finup_ctx(struct ahash_request *req) struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash); struct caam_hash_state *state = ahash_request_ctx(req); struct device *jrdev = ctx->jrdev; - gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? - GFP_KERNEL : GFP_ATOMIC; int buflen = *current_buflen(state); u32 *desc; int sec4_sg_src_index; @@ -983,9 +980,8 @@ static int ahash_finup_ctx(struct ahash_request *req) sec4_sg_src_index = 1 + (buflen ? 1 : 0); /* allocate space for base edesc and hw desc commands, link tables */ - edesc = ahash_edesc_alloc(ctx, sec4_sg_src_index + mapped_nents, - ctx->sh_desc_fin, ctx->sh_desc_fin_dma, - flags); + edesc = ahash_edesc_alloc(req, sec4_sg_src_index + mapped_nents, + ctx->sh_desc_fin, ctx->sh_desc_fin_dma); if (!edesc) { dma_unmap_sg(jrdev, req->src, src_nents, DMA_TO_DEVICE); return -ENOMEM; @@ -1033,8 +1029,6 @@ static int ahash_digest(struct ahash_request *req) struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash); struct caam_hash_state *state = ahash_request_ctx(req); struct device *jrdev = ctx->jrdev; - gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? - GFP_KERNEL : GFP_ATOMIC; u32 *desc; int digestsize = crypto_ahash_digestsize(ahash); int src_nents, mapped_nents; @@ -1061,9 +1055,8 @@ static int ahash_digest(struct ahash_request *req) } /* allocate space for base edesc and hw desc commands, link tables */ - edesc = ahash_edesc_alloc(ctx, mapped_nents > 1 ? mapped_nents : 0, - ctx->sh_desc_digest, ctx->sh_desc_digest_dma, - flags); + edesc = ahash_edesc_alloc(req, mapped_nents > 1 ? mapped_nents : 0, + ctx->sh_desc_digest, ctx->sh_desc_digest_dma); if (!edesc) { dma_unmap_sg(jrdev, req->src, src_nents, DMA_TO_DEVICE); return -ENOMEM; @@ -1110,8 +1103,6 @@ static int ahash_final_no_ctx(struct ahash_request *req) struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash); struct caam_hash_state *state = ahash_request_ctx(req); struct device *jrdev = ctx->jrdev; - gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? - GFP_KERNEL : GFP_ATOMIC; u8 *buf = current_buf(state); int buflen = *current_buflen(state); u32 *desc; @@ -1120,8 +1111,8 @@ static int ahash_final_no_ctx(struct ahash_request *req) int ret; /* allocate space for base edesc and hw desc commands, link tables */ - edesc = ahash_edesc_alloc(ctx, 0, ctx->sh_desc_digest, - ctx->sh_desc_digest_dma, flags); + edesc = ahash_edesc_alloc(req, 0, ctx->sh_desc_digest, + ctx->sh_desc_digest_dma); if (!edesc) return -ENOMEM; @@ -1169,8 +1160,6 @@ static int ahash_update_no_ctx(struct ahash_request *req) struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash); struct caam_hash_state *state = ahash_request_ctx(req); struct device *jrdev = ctx->jrdev; - gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? - GFP_KERNEL : GFP_ATOMIC; u8 *buf = current_buf(state); int *buflen = current_buflen(state); int blocksize = crypto_ahash_blocksize(ahash); @@ -1224,10 +1213,9 @@ static int ahash_update_no_ctx(struct ahash_request *req) * allocate space for base edesc and hw desc commands, * link tables */ - edesc = ahash_edesc_alloc(ctx, pad_nents, + edesc = ahash_edesc_alloc(req, pad_nents, ctx->sh_desc_update_first, - ctx->sh_desc_update_first_dma, - flags); + ctx->sh_desc_update_first_dma); if (!edesc) { dma_unmap_sg(jrdev, req->src, src_nents, DMA_TO_DEVICE); return -ENOMEM; @@ -1304,8 +1292,6 @@ static int ahash_finup_no_ctx(struct ahash_request *req) struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash); struct caam_hash_state *state = ahash_request_ctx(req); struct device *jrdev = ctx->jrdev; - gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? - GFP_KERNEL : GFP_ATOMIC; int buflen = *current_buflen(state); u32 *desc; int sec4_sg_bytes, sec4_sg_src_index, src_nents, mapped_nents; @@ -1335,9 +1321,8 @@ static int ahash_finup_no_ctx(struct ahash_request *req) sizeof(struct sec4_sg_entry); /* allocate space for base edesc and hw desc commands, link tables */ - edesc = ahash_edesc_alloc(ctx, sec4_sg_src_index + mapped_nents, - ctx->sh_desc_digest, ctx->sh_desc_digest_dma, - flags); + edesc = ahash_edesc_alloc(req, sec4_sg_src_index + mapped_nents, + ctx->sh_desc_digest, ctx->sh_desc_digest_dma); if (!edesc) { dma_unmap_sg(jrdev, req->src, src_nents, DMA_TO_DEVICE); return -ENOMEM; @@ -1390,8 +1375,6 @@ static int ahash_update_first(struct ahash_request *req) struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash); struct caam_hash_state *state = ahash_request_ctx(req); struct device *jrdev = ctx->jrdev; - gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? - GFP_KERNEL : GFP_ATOMIC; u8 *next_buf = alt_buf(state); int *next_buflen = alt_buflen(state); int to_hash; @@ -1438,11 +1421,10 @@ static int ahash_update_first(struct ahash_request *req) * allocate space for base edesc and hw desc commands, * link tables */ - edesc = ahash_edesc_alloc(ctx, mapped_nents > 1 ? + edesc = ahash_edesc_alloc(req, mapped_nents > 1 ? mapped_nents : 0, ctx->sh_desc_update_first, - ctx->sh_desc_update_first_dma, - flags); + ctx->sh_desc_update_first_dma); if (!edesc) { dma_unmap_sg(jrdev, req->src, src_nents, DMA_TO_DEVICE); return -ENOMEM; -- 2.1.0