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Message-Id: <20201001072637.16121-1-gi-oh.kim@clous.ionos.com>
Date: Thu, 1 Oct 2020 09:26:37 +0200
From: Gioh Kim <gi-oh.kim@...ud.ionos.com>
To: danil.kipnis@...ud.ionos.com, jinpu.wang@...ud.ionos.com
Cc: linux-kernel@...r.kernel.org, linux-rdma@...r.kernel.org,
Gioh Kim <gi-oh.kim@...ud.ionos.com>
Subject: [PATCH 1/2] RDMA/rtrs: remove unnecessary argument dir of rtrs_iu_free
From: Gioh Kim <gi-oh.kim@...ud.ionos.com>
The direction of DMA operation is already in the rtrs_iu.
Signed-off-by: Gioh Kim <gi-oh.kim@...ud.ionos.com>
---
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 | 10 +++++-----
4 files changed, 18 insertions(+), 23 deletions(-)
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt.c b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
index 776e89231c52..7af5f1559451 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-clt.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
@@ -1236,8 +1236,7 @@ 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;
@@ -1605,8 +1604,7 @@ 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;
}
@@ -2245,7 +2243,7 @@ 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",
@@ -2374,7 +2372,7 @@ 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);
}
@@ -2436,9 +2434,9 @@ 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 0a93c87ef92b..63b128c6eb04 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-pri.h
+++ b/drivers/infiniband/ulp/rtrs/rtrs-pri.h
@@ -288,8 +288,7 @@ 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 a219bd1bdbc2..b8763fe9152f 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-srv.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-srv.c
@@ -575,8 +575,7 @@ 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);
@@ -680,8 +679,7 @@ 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:
@@ -733,7 +731,7 @@ 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",
@@ -859,7 +857,7 @@ 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);
@@ -904,7 +902,7 @@ 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);
@@ -927,7 +925,7 @@ 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 ff1093d6e4bc..5163e662f86f 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs.c
@@ -31,6 +31,8 @@ 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 +43,15 @@ 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 +61,7 @@ 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);
--
2.20.1
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