RDMA/core: Add SRQ type field
Currently, there is only a single ("basic") type of SRQ, but with XRC
support we will add a second. Prepare for this by defining an SRQ type
and setting all current users to IB_SRQT_BASIC.
Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c
index 32fb342..964f855 100644
--- a/drivers/infiniband/hw/ehca/ehca_qp.c
+++ b/drivers/infiniband/hw/ehca/ehca_qp.c
@@ -977,6 +977,9 @@
struct hcp_modify_qp_control_block *mqpcb;
u64 hret, update_mask;
+ if (srq_init_attr->srq_type != IB_SRQT_BASIC)
+ return ERR_PTR(-ENOSYS);
+
/* For common attributes, internal_create_qp() takes its info
* out of qp_init_attr, so copy all common attrs there.
*/
diff --git a/drivers/infiniband/hw/ipath/ipath_srq.c b/drivers/infiniband/hw/ipath/ipath_srq.c
index 386e2c7..2627198 100644
--- a/drivers/infiniband/hw/ipath/ipath_srq.c
+++ b/drivers/infiniband/hw/ipath/ipath_srq.c
@@ -107,6 +107,11 @@
u32 sz;
struct ib_srq *ret;
+ if (srq_init_attr->srq_type != IB_SRQT_BASIC) {
+ ret = ERR_PTR(-ENOSYS);
+ goto done;
+ }
+
if (srq_init_attr->attr.max_wr == 0) {
ret = ERR_PTR(-EINVAL);
goto done;
diff --git a/drivers/infiniband/hw/mlx4/srq.c b/drivers/infiniband/hw/mlx4/srq.c
index 818b7ec..4f7f760 100644
--- a/drivers/infiniband/hw/mlx4/srq.c
+++ b/drivers/infiniband/hw/mlx4/srq.c
@@ -81,6 +81,9 @@
int err;
int i;
+ if (init_attr->srq_type != IB_SRQT_BASIC)
+ return ERR_PTR(-ENOSYS);
+
/* Sanity check SRQ size before proceeding */
if (init_attr->attr.max_wr >= dev->dev->caps.max_srq_wqes ||
init_attr->attr.max_sge > dev->dev->caps.max_srq_sge)
diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c
index 365fe0e..cb9a0b9 100644
--- a/drivers/infiniband/hw/mthca/mthca_provider.c
+++ b/drivers/infiniband/hw/mthca/mthca_provider.c
@@ -438,6 +438,9 @@
struct mthca_srq *srq;
int err;
+ if (init_attr->srq_type != IB_SRQT_BASIC)
+ return ERR_PTR(-ENOSYS);
+
srq = kmalloc(sizeof *srq, GFP_KERNEL);
if (!srq)
return ERR_PTR(-ENOMEM);
diff --git a/drivers/infiniband/hw/qib/qib_srq.c b/drivers/infiniband/hw/qib/qib_srq.c
index c3ec8ef..d623593 100644
--- a/drivers/infiniband/hw/qib/qib_srq.c
+++ b/drivers/infiniband/hw/qib/qib_srq.c
@@ -107,6 +107,11 @@
u32 sz;
struct ib_srq *ret;
+ if (srq_init_attr->srq_type != IB_SRQT_BASIC) {
+ ret = ERR_PTR(-ENOSYS);
+ goto done;
+ }
+
if (srq_init_attr->attr.max_sge == 0 ||
srq_init_attr->attr.max_sge > ib_qib_max_srq_sges ||
srq_init_attr->attr.max_wr == 0 ||