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-rw-r--r--include/rdma/uverbs_ioctl.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/rdma/uverbs_ioctl.h b/include/rdma/uverbs_ioctl.h
index 5df8ed79ba6c..963dd6b70cde 100644
--- a/include/rdma/uverbs_ioctl.h
+++ b/include/rdma/uverbs_ioctl.h
@@ -350,6 +350,7 @@ enum uapi_definition_kind {
enum uapi_definition_scope {
UAPI_SCOPE_OBJECT = 1,
+ UAPI_SCOPE_METHOD = 2,
};
struct uapi_definition {
@@ -422,6 +423,21 @@ struct uapi_definition {
sizeof(void *)), \
}
+/*
+ * Method is only supported if the function pointer named ibdev_fn in struct
+ * ib_device is not NULL.
+ */
+#define UAPI_DEF_METHOD_NEEDS_FN(ibdev_fn) \
+ { \
+ .kind = UAPI_DEF_IS_SUPPORTED_DEV_FN, \
+ .scope = UAPI_SCOPE_METHOD, \
+ .needs_fn_offset = \
+ offsetof(struct ib_device, ibdev_fn) + \
+ BUILD_BUG_ON_ZERO( \
+ sizeof(((struct ib_device *)0)->ibdev_fn) != \
+ sizeof(void *)), \
+ }
+
/* Call a function to determine if the entire object is supported or not */
#define UAPI_DEF_IS_OBJ_SUPPORTED(_func) \
{ \