+static inline u32 check_cq_create_flags(u32 flags)
+{
+ /*
+ * It returns non-zero value for unsupported CQ
+ * create flags, otherwise it returns zero.
+ */
+ return (flags & ~(IB_CQ_FLAGS_IGNORE_OVERRUN |
+ IB_CQ_FLAGS_TIMESTAMP_COMPLETION));
+}
+
+static inline int verify_assign_uidx(u8 cqe_version, u32 cmd_uidx,
+ u32 *user_index)
+{
+ if (cqe_version) {
+ if ((cmd_uidx == MLX5_IB_DEFAULT_UIDX) ||
+ (cmd_uidx & ~MLX5_USER_ASSIGNED_UIDX_MASK))
+ return -EINVAL;
+ *user_index = cmd_uidx;
+ } else {
+ *user_index = MLX5_IB_DEFAULT_UIDX;
+ }
+
+ return 0;
+}