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Message-Id: <20210301161155.978182357@linuxfoundation.org>
Date: Mon, 1 Mar 2021 17:08:54 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Jack Wang <jinpu.wang@...ud.ionos.com>,
Md Haris Iqbal <haris.iqbal@...ud.ionos.com>,
Jason Gunthorpe <jgg@...dia.com>,
Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.10 286/663] RDMA/rtrs: Extend ibtrs_cq_qp_create
From: Jack Wang <jinpu.wang@...ud.ionos.com>
[ Upstream commit 7490fd1fe836ba3c7eda7a4b1cfd9e44389ffda5 ]
rtrs does not have same limit for both max_send_wr and max_recv_wr,
To allow client and server set different values, export in a separate
parameter for rtrs_cq_qp_create.
Also fix the type accordingly, u32 should be used instead of u16.
Fixes: c0894b3ea69d ("RDMA/rtrs: core: lib functions shared between client and server modules")
Link: https://lore.kernel.org/r/20201217141915.56989-2-jinpu.wang@cloud.ionos.com
Signed-off-by: Jack Wang <jinpu.wang@...ud.ionos.com>
Reviewed-by: Md Haris Iqbal <haris.iqbal@...ud.ionos.com>
Signed-off-by: Jason Gunthorpe <jgg@...dia.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
drivers/infiniband/ulp/rtrs/rtrs-clt.c | 4 ++--
drivers/infiniband/ulp/rtrs/rtrs-pri.h | 5 +++--
drivers/infiniband/ulp/rtrs/rtrs-srv.c | 5 +++--
drivers/infiniband/ulp/rtrs/rtrs.c | 14 ++++++++------
4 files changed, 16 insertions(+), 12 deletions(-)
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt.c b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
index d54a77ebe1184..141cc70b8353f 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-clt.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
@@ -1516,7 +1516,7 @@ static void destroy_con(struct rtrs_clt_con *con)
static int create_con_cq_qp(struct rtrs_clt_con *con)
{
struct rtrs_clt_sess *sess = to_clt_sess(con->c.sess);
- u16 wr_queue_size;
+ u32 wr_queue_size;
int err, cq_vector;
struct rtrs_msg_rkey_rsp *rsp;
@@ -1586,7 +1586,7 @@ static int create_con_cq_qp(struct rtrs_clt_con *con)
cq_vector = con->cpu % sess->s.dev->ib_dev->num_comp_vectors;
err = rtrs_cq_qp_create(&sess->s, &con->c, sess->max_send_sge,
cq_vector, wr_queue_size, wr_queue_size,
- IB_POLL_SOFTIRQ);
+ wr_queue_size, IB_POLL_SOFTIRQ);
/*
* In case of error we do not bother to clean previous allocations,
* since destroy_con_cq_qp() must be called.
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-pri.h b/drivers/infiniband/ulp/rtrs/rtrs-pri.h
index b8e43dc4d95ab..32de7ad4a0764 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-pri.h
+++ b/drivers/infiniband/ulp/rtrs/rtrs-pri.h
@@ -304,8 +304,9 @@ int rtrs_post_rdma_write_imm_empty(struct rtrs_con *con, struct ib_cqe *cqe,
struct ib_send_wr *head);
int rtrs_cq_qp_create(struct rtrs_sess *rtrs_sess, struct rtrs_con *con,
- u32 max_send_sge, int cq_vector, u16 cq_size,
- u16 wr_queue_size, enum ib_poll_context poll_ctx);
+ u32 max_send_sge, int cq_vector, int cq_size,
+ u32 max_send_wr, u32 max_recv_wr,
+ enum ib_poll_context poll_ctx);
void rtrs_cq_qp_destroy(struct rtrs_con *con);
void rtrs_init_hb(struct rtrs_sess *sess, struct ib_cqe *cqe,
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-srv.c b/drivers/infiniband/ulp/rtrs/rtrs-srv.c
index 1cb778aff3c59..ffc6fbb4baa5e 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-srv.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-srv.c
@@ -1601,7 +1601,7 @@ static int create_con(struct rtrs_srv_sess *sess,
struct rtrs_sess *s = &sess->s;
struct rtrs_srv_con *con;
- u16 cq_size, wr_queue_size;
+ u32 cq_size, wr_queue_size;
int err, cq_vector;
con = kzalloc(sizeof(*con), GFP_KERNEL);
@@ -1645,7 +1645,8 @@ static int create_con(struct rtrs_srv_sess *sess,
/* TODO: SOFTIRQ can be faster, but be careful with softirq context */
err = rtrs_cq_qp_create(&sess->s, &con->c, 1, cq_vector, cq_size,
- wr_queue_size, IB_POLL_WORKQUEUE);
+ wr_queue_size, wr_queue_size,
+ IB_POLL_WORKQUEUE);
if (err) {
rtrs_err(s, "rtrs_cq_qp_create(), err: %d\n", err);
goto free_con;
diff --git a/drivers/infiniband/ulp/rtrs/rtrs.c b/drivers/infiniband/ulp/rtrs/rtrs.c
index ff1093d6e4bc9..23e5452e10c46 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs.c
@@ -246,14 +246,14 @@ static int create_cq(struct rtrs_con *con, int cq_vector, u16 cq_size,
}
static int create_qp(struct rtrs_con *con, struct ib_pd *pd,
- u16 wr_queue_size, u32 max_sge)
+ u32 max_send_wr, u32 max_recv_wr, u32 max_sge)
{
struct ib_qp_init_attr init_attr = {NULL};
struct rdma_cm_id *cm_id = con->cm_id;
int ret;
- init_attr.cap.max_send_wr = wr_queue_size;
- init_attr.cap.max_recv_wr = wr_queue_size;
+ init_attr.cap.max_send_wr = max_send_wr;
+ init_attr.cap.max_recv_wr = max_recv_wr;
init_attr.cap.max_recv_sge = 1;
init_attr.event_handler = qp_event_handler;
init_attr.qp_context = con;
@@ -275,8 +275,9 @@ static int create_qp(struct rtrs_con *con, struct ib_pd *pd,
}
int rtrs_cq_qp_create(struct rtrs_sess *sess, struct rtrs_con *con,
- u32 max_send_sge, int cq_vector, u16 cq_size,
- u16 wr_queue_size, enum ib_poll_context poll_ctx)
+ u32 max_send_sge, int cq_vector, int cq_size,
+ u32 max_send_wr, u32 max_recv_wr,
+ enum ib_poll_context poll_ctx)
{
int err;
@@ -284,7 +285,8 @@ int rtrs_cq_qp_create(struct rtrs_sess *sess, struct rtrs_con *con,
if (err)
return err;
- err = create_qp(con, sess->dev->ib_pd, wr_queue_size, max_send_sge);
+ err = create_qp(con, sess->dev->ib_pd, max_send_wr, max_recv_wr,
+ max_send_sge);
if (err) {
ib_free_cq(con->cq);
con->cq = NULL;
--
2.27.0
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