1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/infiniband/core/uverbs_std_types_async_fd.c b/drivers/infiniband/core/uverbs_std_types_async_fd.c
new file mode 100644
index 000000000000..31ff96898b06
--- /dev/null
+++ b/drivers/infiniband/core/uverbs_std_types_async_fd.c
@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+/*
+ * Copyright (c) 2019, Mellanox Technologies inc.  All rights reserved.
+ */
+
+#include <rdma/uverbs_std_types.h>
+#include <rdma/uverbs_ioctl.h>
+#include "rdma_core.h"
+#include "uverbs.h"
+
+static int uverbs_async_event_destroy_uobj(struct ib_uobject *uobj,
+					   enum rdma_remove_reason why)
+{
+	struct ib_uverbs_async_event_file *event_file =
+		container_of(uobj, struct ib_uverbs_async_event_file, uobj);
+
+	ib_unregister_event_handler(&event_file->event_handler);
+	ib_uverbs_free_event_queue(&event_file->ev_queue);
+	return 0;
+}
+
+DECLARE_UVERBS_NAMED_OBJECT(
+	UVERBS_OBJECT_ASYNC_EVENT,
+	UVERBS_TYPE_ALLOC_FD(sizeof(struct ib_uverbs_async_event_file),
+			     uverbs_async_event_destroy_uobj,
+			     &uverbs_async_event_fops,
+			     "[infinibandevent]",
+			     O_RDONLY));
+
+const struct uapi_definition uverbs_def_obj_async_fd[] = {
+	UAPI_DEF_CHAIN_OBJ_TREE_NAMED(UVERBS_OBJECT_ASYNC_EVENT),
+	{}
+};