IB/ehca: add Shared Receive Queue support
Support SRQs on eHCA2. Since an SRQ is a QP for eHCA2, a lot of code
(structures, create, destroy, post_recv) can be shared between QP and SRQ.
Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
diff --git a/drivers/infiniband/hw/ehca/ehca_uverbs.c b/drivers/infiniband/hw/ehca/ehca_uverbs.c
index 73db920..d8fe37d 100644
--- a/drivers/infiniband/hw/ehca/ehca_uverbs.c
+++ b/drivers/infiniband/hw/ehca/ehca_uverbs.c
@@ -257,6 +257,7 @@
struct ehca_cq *cq;
struct ehca_qp *qp;
struct ehca_pd *pd;
+ struct ib_uobject *uobject;
switch (q_type) {
case 1: /* CQ */
@@ -304,7 +305,8 @@
return -ENOMEM;
}
- if (!qp->ib_qp.uobject || qp->ib_qp.uobject->context != context)
+ uobject = IS_SRQ(qp) ? qp->ib_srq.uobject : qp->ib_qp.uobject;
+ if (!uobject || uobject->context != context)
return -EINVAL;
ret = ehca_mmap_qp(vma, qp, rsrc_type);