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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>
This commit is contained in:
Gal Pressman 2018-12-12 11:09:07 +02:00 committed by Jason Gunthorpe
parent 2553ba217e
commit 90e3edd8cc
3 changed files with 8 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/infiniband/hw/bnxt_re/ib_verbs.c
View File

@ -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");

5
drivers/infiniband/hw/bnxt_re/qplib_sp.c
View File

@ -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;

3
drivers/infiniband/hw/bnxt_re/qplib_sp.h
View File

@ -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);