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authorGal Pressman <galpress@amazon.com>2018-12-12 11:09:07 +0200
committerJason Gunthorpe <jgg@mellanox.com>2018-12-19 16:28:03 -0700
commit90e3edd8cca453c6042bb99eff3515cb70cfb2ba (patch)
tree4128d3e78f4a797fea85fccbef0953a577e60c7e /drivers/infiniband/hw
parent2553ba217eea37dc6291635ecddb883fb5c36a8b (diff)
downloadlinux-90e3edd8cca453c6042bb99eff3515cb70cfb2ba.tar.bz2
RDMA/bnxt_re: Make use of create AH sleepable flag
When in a sleepable (non-atomic) context, wait for firmware completion instead of polling for it. Signed-off-by: Gal Pressman <galpress@amazon.com> Acked-by: Selvin Xavier <selvin.xavier@broadcom.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw')
-rw-r--r--drivers/infiniband/hw/bnxt_re/ib_verbs.c5
-rw-r--r--drivers/infiniband/hw/bnxt_re/qplib_sp.c5
-rw-r--r--drivers/infiniband/hw/bnxt_re/qplib_sp.h3
3 files changed, 8 insertions, 5 deletions
diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
index ece45e7aee20..7f934c2d90eb 100644
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
@@ -723,7 +723,8 @@ 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,
+ !(flags & RDMA_CREATE_AH_SLEEPABLE));
if (rc) {
dev_err(rdev_to_dev(rdev), "Failed to allocate HW AH");
goto fail;
@@ -959,7 +960,7 @@ 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, false);
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);