@@ -2013,6 +2013,7 @@ ssize_t ib_uverbs_create_srq(struct ib_uverbs_file *file,
attr.event_handler = ib_uverbs_srq_event_handler;
attr.srq_context = file;
+ attr.srq_type = IB_SRQT_BASIC;
attr.attr.max_wr = cmd.max_wr;
attr.attr.max_sge = cmd.max_sge;
attr.attr.srq_limit = cmd.srq_limit;
@@ -250,6 +250,7 @@ struct ib_srq *ib_create_srq(struct ib_pd *pd,
srq->uobject = NULL;
srq->event_handler = srq_init_attr->event_handler;
srq->srq_context = srq_init_attr->srq_context;
+ srq->srq_type = srq_init_attr->srq_type;
atomic_inc(&pd->usecnt);
atomic_set(&srq->usecnt, 0);
}
@@ -977,6 +977,9 @@ struct ib_srq *ehca_create_srq(struct ib_pd *pd,
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.
*/
@@ -107,6 +107,11 @@ struct ib_srq *ipath_create_srq(struct ib_pd *ibpd,
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;
@@ -81,6 +81,9 @@ struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd,
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)
@@ -474,6 +474,9 @@ static struct ib_srq *mthca_create_srq(struct ib_pd *pd,
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);
@@ -107,6 +107,11 @@ struct ib_srq *qib_create_srq(struct ib_pd *ibpd,
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 ||
@@ -1496,6 +1496,7 @@ static void ipoib_cm_create_srq(struct net_device *dev, int max_sge)
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
struct ib_srq_init_attr srq_init_attr = {
+ .srq_type = IB_SRQT_BASIC,
.attr = {
.max_wr = ipoib_recvq_size,
.max_sge = max_sge
@@ -522,6 +522,10 @@ enum ib_cq_notify_flags {
IB_CQ_REPORT_MISSED_EVENTS = 1 << 2,
};
+enum ib_srq_type {
+ IB_SRQT_BASIC
+};
+
enum ib_srq_attr_mask {
IB_SRQ_MAX_WR = 1 << 0,
IB_SRQ_LIMIT = 1 << 1,
@@ -537,6 +541,7 @@ struct ib_srq_init_attr {
void (*event_handler)(struct ib_event *, void *);
void *srq_context;
struct ib_srq_attr attr;
+ enum ib_srq_type srq_type;
};
struct ib_qp_cap {
@@ -887,6 +892,7 @@ struct ib_srq {
struct ib_uobject *uobject;
void (*event_handler)(struct ib_event *, void *);
void *srq_context;
+ enum ib_srq_type srq_type;
atomic_t usecnt;
};
Currently, there is only a single 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> --- change from v1: Added check to mlx4 driver. This will be removed once xrc support is added to the driver. drivers/infiniband/core/uverbs_cmd.c | 1 + drivers/infiniband/core/verbs.c | 1 + drivers/infiniband/hw/ehca/ehca_qp.c | 3 +++ drivers/infiniband/hw/ipath/ipath_srq.c | 5 +++++ drivers/infiniband/hw/mlx4/srq.c | 3 +++ drivers/infiniband/hw/mthca/mthca_provider.c | 3 +++ drivers/infiniband/hw/qib/qib_srq.c | 5 +++++ drivers/infiniband/ulp/ipoib/ipoib_cm.c | 1 + include/rdma/ib_verbs.h | 6 ++++++ 9 files changed, 28 insertions(+), 0 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html