IB/core: Extend ib_uverbs_create_cq

ib_uverbs_ex_create_cq follows the extension verbs
mechanism. New features (for example, CQ creation flags
field which is added in a downstream patch) could used
via user-space libraries without breaking the ABI.

Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

1 files changed, 17 insertions, 0 deletions

diff --git a/include/uapi/rdma/ib_user_verbs.h b/include/uapi/rdma/ib_user_verbs.h
index b513e662d8e4..19f0256e511e 100644
--- a/include/uapi/rdma/ib_user_verbs.h
+++ b/include/uapi/rdma/ib_user_verbs.h
@@ -91,6 +91,7 @@ enum {
 
 enum {
         IB_USER_VERBS_EX_CMD_QUERY_DEVICE = IB_USER_VERBS_CMD_QUERY_DEVICE,
+        IB_USER_VERBS_EX_CMD_CREATE_CQ = IB_USER_VERBS_CMD_CREATE_CQ,
         IB_USER_VERBS_EX_CMD_CREATE_FLOW = IB_USER_VERBS_CMD_THRESHOLD,
         IB_USER_VERBS_EX_CMD_DESTROY_FLOW,
 };
@@ -353,11 +354,27 @@ struct ib_uverbs_create_cq {
         __u64 driver_data[0];
 };
 
+struct ib_uverbs_ex_create_cq {
+        __u64 user_handle;
+        __u32 cqe;
+        __u32 comp_vector;
+        __s32 comp_channel;
+        __u32 comp_mask;
+        __u32 flags;
+        __u32 reserved;
+};
+
 struct ib_uverbs_create_cq_resp {
         __u32 cq_handle;
         __u32 cqe;
 };
 
+struct ib_uverbs_ex_create_cq_resp {
+        struct ib_uverbs_create_cq_resp base;
+        __u32 comp_mask;
+        __u32 response_length;
+};
+
 struct ib_uverbs_resize_cq {
         __u64 response;
         __u32 cq_handle;