1 files changed, 36 insertions, 0 deletions
diff --git a/include/efi_load_initrd.h b/include/efi_load_initrd.h
new file mode 100644
index 00000000000..9feafb18c86
--- /dev/null
+++ b/include/efi_load_initrd.h
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (c) 2020, Linaro Limited
+ */
+
+#if !defined _EFI_LOAD_INITRD_H_
+#define _EFI_LOAD_INITRD_H_
+
+#include <efi.h>
+#include <efi_api.h>
+
+/*
+ * Vendor GUID used by Linux to identify the handle with the
+ * EFI_LOAD_FILE2_PROTOCOL and load an initial ramdisk.
+ */
+#define EFI_INITRD_MEDIA_GUID \
+	EFI_GUID(0x5568e427, 0x68fc, 0x4f3d, \
+		 0xac, 0x74, 0xca, 0x55, 0x52, 0x31, 0xcc, 0x68)
+extern const efi_guid_t efi_lf2_initrd_guid;
+
+/**
+ * struct efi_lo_dp_prefix - separator device path used in load options
+ *
+ * We use vendor media device nodes in UEFI load options to separate
+ * the binary, initrd, and fdt device-paths. This structure contains
+ * the vendor media device node and an end node.
+ *
+ * @vendor:	vendor media device node
+ * @end:	end node
+ */
+struct efi_lo_dp_prefix {
+	struct efi_device_path_vendor vendor;
+	struct efi_device_path end;
+} __packed;
+
+#endif