diff options
Diffstat (limited to 'drivers/crypto/marvell/hash.c')
-rw-r--r-- | drivers/crypto/marvell/hash.c | 74 |
1 files changed, 36 insertions, 38 deletions
diff --git a/drivers/crypto/marvell/hash.c b/drivers/crypto/marvell/hash.c index 5ae2061ebb05..e7991cb35582 100644 --- a/drivers/crypto/marvell/hash.c +++ b/drivers/crypto/marvell/hash.c @@ -472,6 +472,29 @@ static int mv_cesa_ahash_cache_req(struct ahash_request *req, bool *cached) } static struct mv_cesa_op_ctx * +mv_cesa_dma_add_frag(struct mv_cesa_tdma_chain *chain, + struct mv_cesa_op_ctx *tmpl, unsigned int frag_len, + gfp_t flags) +{ + struct mv_cesa_op_ctx *op; + int ret; + + op = mv_cesa_dma_add_op(chain, tmpl, false, flags); + if (IS_ERR(op)) + return op; + + /* Set the operation block fragment length. */ + mv_cesa_set_mac_op_frag_len(op, frag_len); + + /* Append dummy desc to launch operation */ + ret = mv_cesa_dma_add_dummy_launch(chain, flags); + if (ret) + return ERR_PTR(ret); + + return op; +} + +static struct mv_cesa_op_ctx * mv_cesa_ahash_dma_add_cache(struct mv_cesa_tdma_chain *chain, struct mv_cesa_ahash_dma_iter *dma_iter, struct mv_cesa_ahash_req *creq, @@ -493,18 +516,9 @@ mv_cesa_ahash_dma_add_cache(struct mv_cesa_tdma_chain *chain, if (ret) return ERR_PTR(ret); - if (!dma_iter->base.op_len) { - op = mv_cesa_dma_add_op(chain, &creq->op_tmpl, false, flags); - if (IS_ERR(op)) - return op; - - mv_cesa_set_mac_op_frag_len(op, creq->cache_ptr); - - /* Add dummy desc to launch crypto operation */ - ret = mv_cesa_dma_add_dummy_launch(chain, flags); - if (ret) - return ERR_PTR(ret); - } + if (!dma_iter->base.op_len) + op = mv_cesa_dma_add_frag(chain, &creq->op_tmpl, + creq->cache_ptr, flags); return op; } @@ -518,28 +532,22 @@ mv_cesa_ahash_dma_add_data(struct mv_cesa_tdma_chain *chain, struct mv_cesa_op_ctx *op; int ret; - op = mv_cesa_dma_add_op(chain, &creq->op_tmpl, false, flags); + /* Add input transfers */ + ret = mv_cesa_dma_add_op_transfers(chain, &dma_iter->base, + &dma_iter->src, flags); + if (ret) + return ERR_PTR(ret); + + op = mv_cesa_dma_add_frag(chain, &creq->op_tmpl, dma_iter->base.op_len, + flags); if (IS_ERR(op)) return op; - mv_cesa_set_mac_op_frag_len(op, dma_iter->base.op_len); - if (mv_cesa_mac_op_is_first_frag(&creq->op_tmpl)) mv_cesa_update_op_cfg(&creq->op_tmpl, CESA_SA_DESC_CFG_MID_FRAG, CESA_SA_DESC_CFG_FRAG_MSK); - /* Add input transfers */ - ret = mv_cesa_dma_add_op_transfers(chain, &dma_iter->base, - &dma_iter->src, flags); - if (ret) - return ERR_PTR(ret); - - /* Add dummy desc to launch crypto operation */ - ret = mv_cesa_dma_add_dummy_launch(chain, flags); - if (ret) - return ERR_PTR(ret); - return op; } @@ -603,12 +611,6 @@ mv_cesa_ahash_dma_last_req(struct mv_cesa_tdma_chain *chain, CESA_SA_DESC_CFG_MID_FRAG, CESA_SA_DESC_CFG_FRAG_MSK); - op = mv_cesa_dma_add_op(chain, &creq->op_tmpl, false, flags); - if (IS_ERR(op)) - return op; - - mv_cesa_set_mac_op_frag_len(op, trailerlen - padoff); - ret = mv_cesa_dma_add_data_transfer(chain, CESA_SA_DATA_SRAM_OFFSET, ahashdreq->padding_dma + @@ -619,12 +621,8 @@ mv_cesa_ahash_dma_last_req(struct mv_cesa_tdma_chain *chain, if (ret) return ERR_PTR(ret); - /* Add dummy desc to launch crypto operation */ - ret = mv_cesa_dma_add_dummy_launch(chain, flags); - if (ret) - return ERR_PTR(ret); - - return op; + return mv_cesa_dma_add_frag(chain, &creq->op_tmpl, trailerlen - padoff, + flags); } static int mv_cesa_ahash_dma_req_init(struct ahash_request *req) |