diff options
| -rw-r--r-- | drivers/crypto/marvell/cesa.c | 4 | ||||
| -rw-r--r-- | drivers/crypto/marvell/cesa.h | 5 | ||||
| -rw-r--r-- | drivers/crypto/marvell/cipher.c | 8 | ||||
| -rw-r--r-- | drivers/crypto/marvell/tdma.c | 33 |
4 files changed, 26 insertions, 24 deletions
diff --git a/drivers/crypto/marvell/cesa.c b/drivers/crypto/marvell/cesa.c index 37dadb2..6e7a5c7 100644 --- a/drivers/crypto/marvell/cesa.c +++ b/drivers/crypto/marvell/cesa.c @@ -375,10 +375,6 @@ static int mv_cesa_dev_dma_init(struct mv_cesa_dev *cesa) if (!dma->padding_pool) return -ENOMEM; - dma->iv_pool = dmam_pool_create("cesa_iv", dev, 16, 1, 0); - if (!dma->iv_pool) - return -ENOMEM; - cesa->dma = dma; return 0; diff --git a/drivers/crypto/marvell/cesa.h b/drivers/crypto/marvell/cesa.h index e423d33..a768da7 100644 --- a/drivers/crypto/marvell/cesa.h +++ b/drivers/crypto/marvell/cesa.h @@ -277,7 +277,7 @@ struct mv_cesa_op_ctx { #define CESA_TDMA_DUMMY 0 #define CESA_TDMA_DATA 1 #define CESA_TDMA_OP 2 -#define CESA_TDMA_IV 3 +#define CESA_TDMA_RESULT 3 /** * struct mv_cesa_tdma_desc - TDMA descriptor @@ -393,7 +393,6 @@ struct mv_cesa_dev_dma { struct dma_pool *op_pool; struct dma_pool *cache_pool; struct dma_pool *padding_pool; - struct dma_pool *iv_pool; }; /** @@ -839,7 +838,7 @@ mv_cesa_tdma_desc_iter_init(struct mv_cesa_tdma_chain *chain) memset(chain, 0, sizeof(*chain)); } -int mv_cesa_dma_add_iv_op(struct mv_cesa_tdma_chain *chain, dma_addr_t src, +int mv_cesa_dma_add_result_op(struct mv_cesa_tdma_chain *chain, dma_addr_t src, u32 size, u32 flags, gfp_t gfp_flags); struct mv_cesa_op_ctx *mv_cesa_dma_add_op(struct mv_cesa_tdma_chain *chain, diff --git a/drivers/crypto/marvell/cipher.c b/drivers/crypto/marvell/cipher.c index d19dc96..098871a 100644 --- a/drivers/crypto/marvell/cipher.c +++ b/drivers/crypto/marvell/cipher.c @@ -212,7 +212,8 @@ mv_cesa_ablkcipher_complete(struct crypto_async_request *req) struct mv_cesa_req *basereq; basereq = &creq->base; - memcpy(ablkreq->info, basereq->chain.last->data, ivsize); + memcpy(ablkreq->info, basereq->chain.last->op->ctx.blkcipher.iv, + ivsize); } else { memcpy_fromio(ablkreq->info, engine->sram + CESA_SA_CRYPT_IV_SRAM_OFFSET, @@ -373,8 +374,9 @@ static int mv_cesa_ablkcipher_dma_req_init(struct ablkcipher_request *req, /* Add output data for IV */ ivsize = crypto_ablkcipher_ivsize(crypto_ablkcipher_reqtfm(req)); - ret = mv_cesa_dma_add_iv_op(&basereq->chain, CESA_SA_CRYPT_IV_SRAM_OFFSET, - ivsize, CESA_TDMA_SRC_IN_SRAM, flags); + ret = mv_cesa_dma_add_result_op(&basereq->chain, CESA_SA_CFG_SRAM_OFFSET, + CESA_SA_DATA_SRAM_OFFSET, + CESA_TDMA_SRC_IN_SRAM, flags); if (ret) goto err_free_tdma; diff --git a/drivers/crypto/marvell/tdma.c b/drivers/crypto/marvell/tdma.c index 9fd7a5f..4416b88 100644 --- a/drivers/crypto/marvell/tdma.c +++ b/drivers/crypto/marvell/tdma.c @@ -69,9 +69,6 @@ void mv_cesa_dma_cleanup(struct mv_cesa_req *dreq) if (type == CESA_TDMA_OP) dma_pool_free(cesa_dev->dma->op_pool, tdma->op, le32_to_cpu(tdma->src)); - else if (type == CESA_TDMA_IV) - dma_pool_free(cesa_dev->dma->iv_pool, tdma->data, - le32_to_cpu(tdma->dst)); tdma = tdma->next; dma_pool_free(cesa_dev->dma->tdma_desc_pool, old_tdma, @@ -209,29 +206,37 @@ mv_cesa_dma_add_desc(struct mv_cesa_tdma_chain *chain, gfp_t flags) return new_tdma; } -int mv_cesa_dma_add_iv_op(struct mv_cesa_tdma_chain *chain, dma_addr_t src, +int mv_cesa_dma_add_result_op(struct mv_cesa_tdma_chain *chain, dma_addr_t src, u32 size, u32 flags, gfp_t gfp_flags) { - - struct mv_cesa_tdma_desc *tdma; - u8 *iv; - dma_addr_t dma_handle; + struct mv_cesa_tdma_desc *tdma, *op_desc; tdma = mv_cesa_dma_add_desc(chain, gfp_flags); if (IS_ERR(tdma)) return PTR_ERR(tdma); - iv = dma_pool_alloc(cesa_dev->dma->iv_pool, gfp_flags, &dma_handle); - if (!iv) - return -ENOMEM; + /* We re-use an existing op_desc object to retrieve the context + * and result instead of allocating a new one. + * There is at least one object of this type in a CESA crypto + * req, just pick the first one in the chain. + */ + for (op_desc = chain->first; op_desc; op_desc = op_desc->next) { + u32 type = op_desc->flags & CESA_TDMA_TYPE_MSK; + + if (type == CESA_TDMA_OP) + break; + } + + if (!op_desc) + return -EIO; tdma->byte_cnt = cpu_to_le32(size | BIT(31)); tdma->src = src; - tdma->dst = cpu_to_le32(dma_handle); - tdma->data = iv; + tdma->dst = op_desc->src; + tdma->op = op_desc->op; flags &= (CESA_TDMA_DST_IN_SRAM | CESA_TDMA_SRC_IN_SRAM); - tdma->flags = flags | CESA_TDMA_IV; + tdma->flags = flags | CESA_TDMA_RESULT; return 0; } |
