RDMA/bnxt_re: Make use of destroy AH sleepable flag

When in a sleepable (non-atomic) context, wait for firmware completion
instead of polling for it.

Signed-off-by: Gal Pressman <[email protected]>
Acked-by: Selvin Xavier <[email protected]>
Signed-off-by: Jason Gunthorpe <[email protected]>

Author: gal-pressman

drivers/infiniband/hw/bnxt_re/ib_verbs.c

@@ -653,7 +653,8 @@ int bnxt_re_destroy_ah(struct ib_ah *ib_ah, u32 flags)
 	struct bnxt_re_dev *rdev = ah->rdev;
 	int rc;
 
-	rc = bnxt_qplib_destroy_ah(&rdev->qplib_res, &ah->qplib_ah);
+	rc = bnxt_qplib_destroy_ah(&rdev->qplib_res, &ah->qplib_ah,
+				   !(flags & RDMA_DESTROY_AH_SLEEPABLE));
 	if (rc) {
 		dev_err(rdev_to_dev(rdev), "Failed to destroy HW AH");
 		return rc;
@@ -820,7 +821,7 @@ int bnxt_re_destroy_qp(struct ib_qp *ib_qp)
 
 	if (ib_qp->qp_type == IB_QPT_GSI && rdev->qp1_sqp) {
 		rc = bnxt_qplib_destroy_ah(&rdev->qplib_res,
-					   &rdev->sqp_ah->qplib_ah);
+					   &rdev->sqp_ah->qplib_ah, false);
 		if (rc) {
 			dev_err(rdev_to_dev(rdev),
 				"Failed to destroy HW AH for shadow QP");

drivers/infiniband/hw/bnxt_re/qplib_sp.c

@@ -531,7 +531,8 @@ int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
 	return 0;
 }
 
-int bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah)
+int bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
+			  bool block)
 {
 	struct bnxt_qplib_rcfw *rcfw = res->rcfw;
 	struct cmdq_destroy_ah req;
@@ -545,7 +546,7 @@ int bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah)
 	req.ah_cid = cpu_to_le32(ah->id);
 
 	rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp,
-					  NULL, 1);
+					  NULL, block);
 	if (rc)
 		return rc;
 	return 0;

drivers/infiniband/hw/bnxt_re/qplib_sp.h

@@ -243,7 +243,8 @@ int bnxt_qplib_set_func_resources(struct bnxt_qplib_res *res,
 				  struct bnxt_qplib_ctx *ctx);
 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_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
+			  bool block);
 int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res,
 			 struct bnxt_qplib_mrw *mrw);
 int bnxt_qplib_dereg_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw,