diff mbox series

[rdma-next,3/4] RDMA/bnxt_re: Make use of create AH sleepable flag

Message ID 1544518768-16361-4-git-send-email-galpress@amazon.com (mailing list archive)
State Superseded
Delegated to: Jason Gunthorpe
Headers show
Series Mark create/destroy address handle calls as atomic/sleepable | expand

Commit Message

Gal Pressman Dec. 11, 2018, 8:59 a.m. UTC 
When in a sleepable (non-atomic) context, wait for firmware completion
instead of polling for it.

Cc: Selvin Xavier <selvin.xavier@broadcom.com>
Cc: Devesh Sharma <devesh.sharma@broadcom.com>
Cc: Somnath Kotur <somnath.kotur@broadcom.com>
Cc: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
Signed-off-by: Gal Pressman <galpress@amazon.com>
---
 drivers/infiniband/hw/bnxt_re/ib_verbs.c | 4 ++--
 drivers/infiniband/hw/bnxt_re/qplib_sp.c | 5 +++--
 drivers/infiniband/hw/bnxt_re/qplib_sp.h | 3 ++-
 3 files changed, 7 insertions(+), 5 deletions(-)
diff mbox series

Patch

diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
index a741a7291d88..b06dd0099260 100644
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
@@ -723,7 +723,7 @@  struct ib_ah *bnxt_re_create_ah(struct ib_pd *ib_pd,
 	}
 
 	memcpy(ah->qplib_ah.dmac, ah_attr->roce.dmac, ETH_ALEN);
-	rc = bnxt_qplib_create_ah(&rdev->qplib_res, &ah->qplib_ah);
+	rc = bnxt_qplib_create_ah(&rdev->qplib_res, &ah->qplib_ah, !sleepable);
 	if (rc) {
 		dev_err(rdev_to_dev(rdev), "Failed to allocate HW AH");
 		goto fail;
@@ -959,7 +959,7 @@  static struct bnxt_re_ah *bnxt_re_create_shadow_qp_ah
 	/* Have DMAC same as SMAC */
 	ether_addr_copy(ah->qplib_ah.dmac, rdev->netdev->dev_addr);
 
-	rc = bnxt_qplib_create_ah(&rdev->qplib_res, &ah->qplib_ah);
+	rc = bnxt_qplib_create_ah(&rdev->qplib_res, &ah->qplib_ah, true);
 	if (rc) {
 		dev_err(rdev_to_dev(rdev),
 			"Failed to allocate HW AH for Shadow QP");
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.c b/drivers/infiniband/hw/bnxt_re/qplib_sp.c
index 5216b5f844cc..8f4b19ea409c 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_sp.c
+++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.c
@@ -488,7 +488,8 @@  int bnxt_qplib_add_pkey(struct bnxt_qplib_res *res,
 }
 
 /* AH */
-int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah)
+int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
+			 bool block)
 {
 	struct bnxt_qplib_rcfw *rcfw = res->rcfw;
 	struct cmdq_create_ah req;
@@ -522,7 +523,7 @@  int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah)
 	req.dest_mac[2] = cpu_to_le16(temp16[2]);
 
 	rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp,
-					  NULL, 1);
+					  NULL, block);
 	if (rc)
 		return rc;
 
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.h b/drivers/infiniband/hw/bnxt_re/qplib_sp.h
index 8079d7f5a008..53145aa1e7ff 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_sp.h
+++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.h
@@ -241,7 +241,8 @@  int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw,
 int bnxt_qplib_set_func_resources(struct bnxt_qplib_res *res,
 				  struct bnxt_qplib_rcfw *rcfw,
 				  struct bnxt_qplib_ctx *ctx);
-int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah);
+int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
+			 bool block);
 int bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah);
 int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res,
 			 struct bnxt_qplib_mrw *mrw);