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path: root/drivers/infiniband/ulp/rtrs/rtrs.c
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Diffstat (limited to 'drivers/infiniband/ulp/rtrs/rtrs.c')
-rw-r--r--drivers/infiniband/ulp/rtrs/rtrs.c31
1 files changed, 24 insertions, 7 deletions
diff --git a/drivers/infiniband/ulp/rtrs/rtrs.c b/drivers/infiniband/ulp/rtrs/rtrs.c
index ca542e477d38..37952c8e768c 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs.c
@@ -222,13 +222,23 @@ static void qp_event_handler(struct ib_event *ev, void *ctx)
}
}
+static bool is_pollqueue(struct rtrs_con *con)
+{
+ return con->cid >= con->sess->irq_con_num;
+}
+
static int create_cq(struct rtrs_con *con, int cq_vector, int nr_cqe,
enum ib_poll_context poll_ctx)
{
struct rdma_cm_id *cm_id = con->cm_id;
struct ib_cq *cq;
- cq = ib_cq_pool_get(cm_id->device, nr_cqe, cq_vector, poll_ctx);
+ if (is_pollqueue(con))
+ cq = ib_alloc_cq(cm_id->device, con, nr_cqe, cq_vector,
+ poll_ctx);
+ else
+ cq = ib_cq_pool_get(cm_id->device, nr_cqe, cq_vector, poll_ctx);
+
if (IS_ERR(cq)) {
rtrs_err(con->sess, "Creating completion queue failed, errno: %ld\n",
PTR_ERR(cq));
@@ -269,6 +279,17 @@ static int create_qp(struct rtrs_con *con, struct ib_pd *pd,
return ret;
}
+static void destroy_cq(struct rtrs_con *con)
+{
+ if (con->cq) {
+ if (is_pollqueue(con))
+ ib_free_cq(con->cq);
+ else
+ ib_cq_pool_put(con->cq, con->nr_cqe);
+ }
+ con->cq = NULL;
+}
+
int rtrs_cq_qp_create(struct rtrs_sess *sess, struct rtrs_con *con,
u32 max_send_sge, int cq_vector, int nr_cqe,
u32 max_send_wr, u32 max_recv_wr,
@@ -283,8 +304,7 @@ int rtrs_cq_qp_create(struct rtrs_sess *sess, struct rtrs_con *con,
err = create_qp(con, sess->dev->ib_pd, max_send_wr, max_recv_wr,
max_send_sge);
if (err) {
- ib_cq_pool_put(con->cq, con->nr_cqe);
- con->cq = NULL;
+ destroy_cq(con);
return err;
}
con->sess = sess;
@@ -299,10 +319,7 @@ void rtrs_cq_qp_destroy(struct rtrs_con *con)
rdma_destroy_qp(con->cm_id);
con->qp = NULL;
}
- if (con->cq) {
- ib_cq_pool_put(con->cq, con->nr_cqe);
- con->cq = NULL;
- }
+ destroy_cq(con);
}
EXPORT_SYMBOL_GPL(rtrs_cq_qp_destroy);