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RDMA/bnxt_re: Update create_qp to use QP buffer umem attrs

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Use ib_umem_get_attr_or_va() helper to pin QP buffer umems.
Pass attribute ids SQ_BUF_UMEM and RQ_BUF_UMEM for respective
buffers.

Link: https://patch.msgid.link/r/20260602145618.21643-1-sriharsha.basavapatna@broadcom.com
Signed-off-by: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
Reviewed-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Sriharsha Basavapatna 2026-06-02 20:26:18 +05:30 committed by Jason Gunthorpe
parent 0ee8ac903e
commit 6219a17c37
1 changed files with 13 additions and 9 deletions
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22
drivers/infiniband/hw/bnxt_re/ib_verbs.c
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@ -1198,7 +1198,8 @@ static int bnxt_re_init_user_qp(struct bnxt_re_dev *rdev, struct bnxt_re_pd *pd,
struct bnxt_re_qp *qp, struct bnxt_re_ucontext *cntx,
struct bnxt_re_qp_req *ureq,
bool fixed_que_attr,
struct bnxt_re_dbr_obj *dbr_obj)
struct bnxt_re_dbr_obj *dbr_obj,
struct uverbs_attr_bundle *attrs)
{
struct bnxt_qplib_qp *qplib_qp;
struct ib_umem *umem;
@ -1213,8 +1214,9 @@ static int bnxt_re_init_user_qp(struct bnxt_re_dev *rdev, struct bnxt_re_pd *pd,
bytes += bnxt_re_get_psn_bytes(rdev, cntx, qplib_qp, ureq, fixed_que_attr);
bytes = PAGE_ALIGN(bytes);
umem = ib_umem_get_va(&rdev->ibdev, ureq->qpsva, bytes,
IB_ACCESS_LOCAL_WRITE);
umem = ib_umem_get_attr_or_va(&rdev->ibdev, attrs,
UVERBS_ATTR_CREATE_QP_SQ_BUF_UMEM,
ureq->qpsva, bytes, IB_ACCESS_LOCAL_WRITE);
if (IS_ERR(umem))
return PTR_ERR(umem);
@ -1228,8 +1230,9 @@ static int bnxt_re_init_user_qp(struct bnxt_re_dev *rdev, struct bnxt_re_pd *pd,
bytes = (qplib_qp->rq.max_wqe * qplib_qp->rq.wqe_size);
bytes = PAGE_ALIGN(bytes);
umem = ib_umem_get_va(&rdev->ibdev, ureq->qprva, bytes,
IB_ACCESS_LOCAL_WRITE);
umem = ib_umem_get_attr_or_va(&rdev->ibdev, attrs,
UVERBS_ATTR_CREATE_QP_RQ_BUF_UMEM,
ureq->qprva, bytes, IB_ACCESS_LOCAL_WRITE);
if (IS_ERR(umem)) {
rc = PTR_ERR(umem);
goto fail;
@ -1721,7 +1724,8 @@ static int bnxt_re_init_qp_attr(struct bnxt_re_qp *qp, struct bnxt_re_pd *pd,
struct bnxt_re_ucontext *uctx,
struct bnxt_re_qp_req *ureq,
struct bnxt_re_dbr_obj *dbr_obj,
bool fixed_que_attr)
bool fixed_que_attr,
struct uverbs_attr_bundle *attrs)
{
struct bnxt_qplib_dev_attr *dev_attr;
struct bnxt_qplib_qp *qplqp;
@ -1795,7 +1799,7 @@ static int bnxt_re_init_qp_attr(struct bnxt_re_qp *qp, struct bnxt_re_pd *pd,
if (uctx) { /* This will update DPI and qp_handle */
rc = bnxt_re_init_user_qp(rdev, pd, qp, uctx, ureq, fixed_que_attr,
dbr_obj);
dbr_obj, attrs);
if (rc)
return rc;
}
@ -1931,9 +1935,9 @@ static int bnxt_re_add_unique_gid(struct bnxt_re_dev *rdev)
int bnxt_re_create_qp(struct ib_qp *ib_qp, struct ib_qp_init_attr *qp_init_attr,
struct ib_udata *udata)
{
struct uverbs_attr_bundle *attrs = NULL;
struct bnxt_re_dbr_obj *dbr_obj = NULL;
struct bnxt_qplib_dev_attr *dev_attr;
struct uverbs_attr_bundle *attrs;
struct bnxt_re_ucontext *uctx;
bool fixed_que_attr = false;
struct bnxt_re_qp_req ureq;
@ -1979,7 +1983,7 @@ int bnxt_re_create_qp(struct ib_qp *ib_qp, struct ib_qp_init_attr *qp_init_attr,
qp->rdev = rdev;
rc = bnxt_re_init_qp_attr(qp, pd, qp_init_attr, uctx, &ureq,
dbr_obj, fixed_que_attr);
dbr_obj, fixed_que_attr, attrs);
if (rc)
goto fail;