From: Gioh Kim gi-oh.kim@cloud.ionos.com
[ Upstream commit 8bd372ace32ec88fe3ad1421929ae1604f2a2c2c ]
The direction of DMA operation is already in the rtrs_iu
Link: https://lore.kernel.org/r/20201023074353.21946-8-jinpu.wang@cloud.ionos.com Signed-off-by: Gioh Kim gi-oh.kim@cloud.ionos.com Signed-off-by: Jack Wang jinpu.wang@cloud.ionos.com Signed-off-by: Jason Gunthorpe jgg@nvidia.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/infiniband/ulp/rtrs/rtrs-clt.c | 14 ++++++-------- drivers/infiniband/ulp/rtrs/rtrs-pri.h | 3 +-- drivers/infiniband/ulp/rtrs/rtrs-srv.c | 14 ++++++-------- drivers/infiniband/ulp/rtrs/rtrs.c | 9 ++++----- 4 files changed, 17 insertions(+), 23 deletions(-)
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt.c b/drivers/infiniband/ulp/rtrs/rtrs-clt.c index 5c2107ce7f6e..6eb95e3c4c8a 100644 --- a/drivers/infiniband/ulp/rtrs/rtrs-clt.c +++ b/drivers/infiniband/ulp/rtrs/rtrs-clt.c @@ -1237,8 +1237,7 @@ static void free_sess_reqs(struct rtrs_clt_sess *sess) if (req->mr) ib_dereg_mr(req->mr); kfree(req->sge); - rtrs_iu_free(req->iu, DMA_TO_DEVICE, - sess->s.dev->ib_dev, 1); + rtrs_iu_free(req->iu, sess->s.dev->ib_dev, 1); } kfree(sess->reqs); sess->reqs = NULL; @@ -1611,8 +1610,7 @@ static void destroy_con_cq_qp(struct rtrs_clt_con *con)
rtrs_cq_qp_destroy(&con->c); if (con->rsp_ius) { - rtrs_iu_free(con->rsp_ius, DMA_FROM_DEVICE, - sess->s.dev->ib_dev, con->queue_size); + rtrs_iu_free(con->rsp_ius, sess->s.dev->ib_dev, con->queue_size); con->rsp_ius = NULL; con->queue_size = 0; } @@ -2252,7 +2250,7 @@ static void rtrs_clt_info_req_done(struct ib_cq *cq, struct ib_wc *wc) struct rtrs_iu *iu;
iu = container_of(wc->wr_cqe, struct rtrs_iu, cqe); - rtrs_iu_free(iu, DMA_TO_DEVICE, sess->s.dev->ib_dev, 1); + rtrs_iu_free(iu, sess->s.dev->ib_dev, 1);
if (unlikely(wc->status != IB_WC_SUCCESS)) { rtrs_err(sess->clt, "Sess info request send failed: %s\n", @@ -2381,7 +2379,7 @@ static void rtrs_clt_info_rsp_done(struct ib_cq *cq, struct ib_wc *wc)
out: rtrs_clt_update_wc_stats(con); - rtrs_iu_free(iu, DMA_FROM_DEVICE, sess->s.dev->ib_dev, 1); + rtrs_iu_free(iu, sess->s.dev->ib_dev, 1); rtrs_clt_change_state(sess, state); }
@@ -2443,9 +2441,9 @@ static int rtrs_send_sess_info(struct rtrs_clt_sess *sess)
out: if (tx_iu) - rtrs_iu_free(tx_iu, DMA_TO_DEVICE, sess->s.dev->ib_dev, 1); + rtrs_iu_free(tx_iu, sess->s.dev->ib_dev, 1); if (rx_iu) - rtrs_iu_free(rx_iu, DMA_FROM_DEVICE, sess->s.dev->ib_dev, 1); + rtrs_iu_free(rx_iu, sess->s.dev->ib_dev, 1); if (unlikely(err)) /* If we've never taken async path because of malloc problems */ rtrs_clt_change_state(sess, RTRS_CLT_CONNECTING_ERR); diff --git a/drivers/infiniband/ulp/rtrs/rtrs-pri.h b/drivers/infiniband/ulp/rtrs/rtrs-pri.h index 2e1d2f7e372a..8caad0a2322b 100644 --- a/drivers/infiniband/ulp/rtrs/rtrs-pri.h +++ b/drivers/infiniband/ulp/rtrs/rtrs-pri.h @@ -289,8 +289,7 @@ struct rtrs_msg_rdma_hdr { struct rtrs_iu *rtrs_iu_alloc(u32 queue_size, size_t size, gfp_t t, struct ib_device *dev, enum dma_data_direction, void (*done)(struct ib_cq *cq, struct ib_wc *wc)); -void rtrs_iu_free(struct rtrs_iu *iu, enum dma_data_direction dir, - struct ib_device *dev, u32 queue_size); +void rtrs_iu_free(struct rtrs_iu *iu, struct ib_device *dev, u32 queue_size); int rtrs_iu_post_recv(struct rtrs_con *con, struct rtrs_iu *iu); int rtrs_iu_post_send(struct rtrs_con *con, struct rtrs_iu *iu, size_t size, struct ib_send_wr *head); diff --git a/drivers/infiniband/ulp/rtrs/rtrs-srv.c b/drivers/infiniband/ulp/rtrs/rtrs-srv.c index b690a3b8f94d..0fd2a7f8f9f2 100644 --- a/drivers/infiniband/ulp/rtrs/rtrs-srv.c +++ b/drivers/infiniband/ulp/rtrs/rtrs-srv.c @@ -584,8 +584,7 @@ static void unmap_cont_bufs(struct rtrs_srv_sess *sess) struct rtrs_srv_mr *srv_mr;
srv_mr = &sess->mrs[i]; - rtrs_iu_free(srv_mr->iu, DMA_TO_DEVICE, - sess->s.dev->ib_dev, 1); + rtrs_iu_free(srv_mr->iu, sess->s.dev->ib_dev, 1); ib_dereg_mr(srv_mr->mr); ib_dma_unmap_sg(sess->s.dev->ib_dev, srv_mr->sgt.sgl, srv_mr->sgt.nents, DMA_BIDIRECTIONAL); @@ -689,8 +688,7 @@ static int map_cont_bufs(struct rtrs_srv_sess *sess) sgt = &srv_mr->sgt; mr = srv_mr->mr; free_iu: - rtrs_iu_free(srv_mr->iu, DMA_TO_DEVICE, - sess->s.dev->ib_dev, 1); + rtrs_iu_free(srv_mr->iu, sess->s.dev->ib_dev, 1); dereg_mr: ib_dereg_mr(mr); unmap_sg: @@ -742,7 +740,7 @@ static void rtrs_srv_info_rsp_done(struct ib_cq *cq, struct ib_wc *wc) struct rtrs_iu *iu;
iu = container_of(wc->wr_cqe, struct rtrs_iu, cqe); - rtrs_iu_free(iu, DMA_TO_DEVICE, sess->s.dev->ib_dev, 1); + rtrs_iu_free(iu, sess->s.dev->ib_dev, 1);
if (unlikely(wc->status != IB_WC_SUCCESS)) { rtrs_err(s, "Sess info response send failed: %s\n", @@ -868,7 +866,7 @@ static int process_info_req(struct rtrs_srv_con *con, if (unlikely(err)) { rtrs_err(s, "rtrs_iu_post_send(), err: %d\n", err); iu_free: - rtrs_iu_free(tx_iu, DMA_TO_DEVICE, sess->s.dev->ib_dev, 1); + rtrs_iu_free(tx_iu, sess->s.dev->ib_dev, 1); } rwr_free: kfree(rwr); @@ -913,7 +911,7 @@ static void rtrs_srv_info_req_done(struct ib_cq *cq, struct ib_wc *wc) goto close;
out: - rtrs_iu_free(iu, DMA_FROM_DEVICE, sess->s.dev->ib_dev, 1); + rtrs_iu_free(iu, sess->s.dev->ib_dev, 1); return; close: close_sess(sess); @@ -936,7 +934,7 @@ static int post_recv_info_req(struct rtrs_srv_con *con) err = rtrs_iu_post_recv(&con->c, rx_iu); if (unlikely(err)) { rtrs_err(s, "rtrs_iu_post_recv(), err: %d\n", err); - rtrs_iu_free(rx_iu, DMA_FROM_DEVICE, sess->s.dev->ib_dev, 1); + rtrs_iu_free(rx_iu, sess->s.dev->ib_dev, 1); return err; }
diff --git a/drivers/infiniband/ulp/rtrs/rtrs.c b/drivers/infiniband/ulp/rtrs/rtrs.c index a3e1a027f808..8321e8a52045 100644 --- a/drivers/infiniband/ulp/rtrs/rtrs.c +++ b/drivers/infiniband/ulp/rtrs/rtrs.c @@ -31,6 +31,7 @@ struct rtrs_iu *rtrs_iu_alloc(u32 queue_size, size_t size, gfp_t gfp_mask, return NULL; for (i = 0; i < queue_size; i++) { iu = &ius[i]; + iu->direction = dir; iu->buf = kzalloc(size, gfp_mask); if (!iu->buf) goto err; @@ -41,17 +42,15 @@ struct rtrs_iu *rtrs_iu_alloc(u32 queue_size, size_t size, gfp_t gfp_mask,
iu->cqe.done = done; iu->size = size; - iu->direction = dir; } return ius; err: - rtrs_iu_free(ius, dir, dma_dev, i); + rtrs_iu_free(ius, dma_dev, i); return NULL; } EXPORT_SYMBOL_GPL(rtrs_iu_alloc);
-void rtrs_iu_free(struct rtrs_iu *ius, enum dma_data_direction dir, - struct ib_device *ibdev, u32 queue_size) +void rtrs_iu_free(struct rtrs_iu *ius, struct ib_device *ibdev, u32 queue_size) { struct rtrs_iu *iu; int i; @@ -61,7 +60,7 @@ void rtrs_iu_free(struct rtrs_iu *ius, enum dma_data_direction dir,
for (i = 0; i < queue_size; i++) { iu = &ius[i]; - ib_dma_unmap_single(ibdev, iu->dma_addr, iu->size, dir); + ib_dma_unmap_single(ibdev, iu->dma_addr, iu->size, iu->direction); kfree(iu->buf); } kfree(ius);