diff options
Diffstat (limited to 'drivers/crypto/hisilicon/zip/zip_crypto.c')
| -rw-r--r-- | drivers/crypto/hisilicon/zip/zip_crypto.c | 30 |
1 files changed, 17 insertions, 13 deletions
diff --git a/drivers/crypto/hisilicon/zip/zip_crypto.c b/drivers/crypto/hisilicon/zip/zip_crypto.c index 94e2d66b04b6..b97513981a3b 100644 --- a/drivers/crypto/hisilicon/zip/zip_crypto.c +++ b/drivers/crypto/hisilicon/zip/zip_crypto.c @@ -54,7 +54,7 @@ struct hisi_zip_req { struct hisi_zip_req_q { struct hisi_zip_req *q; unsigned long *req_bitmap; - rwlock_t req_lock; + spinlock_t req_lock; u16 size; }; @@ -116,17 +116,17 @@ static struct hisi_zip_req *hisi_zip_create_req(struct hisi_zip_qp_ctx *qp_ctx, struct hisi_zip_req *req_cache; int req_id; - write_lock(&req_q->req_lock); + spin_lock(&req_q->req_lock); req_id = find_first_zero_bit(req_q->req_bitmap, req_q->size); if (req_id >= req_q->size) { - write_unlock(&req_q->req_lock); + spin_unlock(&req_q->req_lock); dev_dbg(&qp_ctx->qp->qm->pdev->dev, "req cache is full!\n"); return ERR_PTR(-EAGAIN); } set_bit(req_id, req_q->req_bitmap); - write_unlock(&req_q->req_lock); + spin_unlock(&req_q->req_lock); req_cache = q + req_id; req_cache->req_id = req_id; @@ -140,9 +140,9 @@ static void hisi_zip_remove_req(struct hisi_zip_qp_ctx *qp_ctx, { struct hisi_zip_req_q *req_q = &qp_ctx->req_q; - write_lock(&req_q->req_lock); + spin_lock(&req_q->req_lock); clear_bit(req->req_id, req_q->req_bitmap); - write_unlock(&req_q->req_lock); + spin_unlock(&req_q->req_lock); } static void hisi_zip_fill_addr(struct hisi_zip_sqe *sqe, struct hisi_zip_req *req) @@ -213,6 +213,7 @@ static int hisi_zip_do_work(struct hisi_zip_qp_ctx *qp_ctx, { struct hisi_acc_sgl_pool *pool = qp_ctx->sgl_pool; struct hisi_zip_dfx *dfx = &qp_ctx->zip_dev->dfx; + struct hisi_zip_req_q *req_q = &qp_ctx->req_q; struct acomp_req *a_req = req->req; struct hisi_qp *qp = qp_ctx->qp; struct device *dev = &qp->qm->pdev->dev; @@ -223,7 +224,8 @@ static int hisi_zip_do_work(struct hisi_zip_qp_ctx *qp_ctx, return -EINVAL; req->hw_src = hisi_acc_sg_buf_map_to_hw_sgl(dev, a_req->src, pool, - req->req_id << 1, &req->dma_src); + req->req_id << 1, &req->dma_src, + DMA_TO_DEVICE); if (IS_ERR(req->hw_src)) { dev_err(dev, "failed to map the src buffer to hw sgl (%ld)!\n", PTR_ERR(req->hw_src)); @@ -232,7 +234,7 @@ static int hisi_zip_do_work(struct hisi_zip_qp_ctx *qp_ctx, req->hw_dst = hisi_acc_sg_buf_map_to_hw_sgl(dev, a_req->dst, pool, (req->req_id << 1) + 1, - &req->dma_dst); + &req->dma_dst, DMA_FROM_DEVICE); if (IS_ERR(req->hw_dst)) { ret = PTR_ERR(req->hw_dst); dev_err(dev, "failed to map the dst buffer to hw slg (%d)!\n", @@ -244,7 +246,9 @@ static int hisi_zip_do_work(struct hisi_zip_qp_ctx *qp_ctx, /* send command to start a task */ atomic64_inc(&dfx->send_cnt); + spin_lock_bh(&req_q->req_lock); ret = hisi_qp_send(qp, &zip_sqe); + spin_unlock_bh(&req_q->req_lock); if (unlikely(ret < 0)) { atomic64_inc(&dfx->send_busy_cnt); ret = -EAGAIN; @@ -255,9 +259,9 @@ static int hisi_zip_do_work(struct hisi_zip_qp_ctx *qp_ctx, return -EINPROGRESS; err_unmap_output: - hisi_acc_sg_buf_unmap(dev, a_req->dst, req->hw_dst); + hisi_acc_sg_buf_unmap(dev, a_req->dst, req->hw_dst, DMA_FROM_DEVICE); err_unmap_input: - hisi_acc_sg_buf_unmap(dev, a_req->src, req->hw_src); + hisi_acc_sg_buf_unmap(dev, a_req->src, req->hw_src, DMA_TO_DEVICE); return ret; } @@ -300,8 +304,8 @@ static void hisi_zip_acomp_cb(struct hisi_qp *qp, void *data) err = -EIO; } - hisi_acc_sg_buf_unmap(dev, acomp_req->src, req->hw_src); - hisi_acc_sg_buf_unmap(dev, acomp_req->dst, req->hw_dst); + hisi_acc_sg_buf_unmap(dev, acomp_req->dst, req->hw_dst, DMA_FROM_DEVICE); + hisi_acc_sg_buf_unmap(dev, acomp_req->src, req->hw_src, DMA_TO_DEVICE); acomp_req->dlen = ops->get_dstlen(sqe); @@ -456,7 +460,7 @@ static int hisi_zip_create_req_q(struct hisi_zip_ctx *ctx) goto err_free_comp_q; } - rwlock_init(&req_q->req_lock); + spin_lock_init(&req_q->req_lock); req_q->q = kcalloc(req_q->size, sizeof(struct hisi_zip_req), GFP_KERNEL); |
