diff --git a/OvmfPkg/Include/Guid/QemuKernelLoaderFsMedia.h b/OvmfPkg/Include/Guid/QemuKernelLoaderFsMedia.h
new file mode 100644
index 0000000000..225c3c4946
--- /dev/null
+++ b/OvmfPkg/Include/Guid/QemuKernelLoaderFsMedia.h
@@ -0,0 +1,18 @@
+/** @file
+  GUID definition for the QEMU LoaderFs media device path, containing the
+  kernel, initrd and command line as file objects
+
+  Copyright (c) 2020, Arm, Ltd. All rights reserved.<BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#ifndef QEMU_KERNEL_LOADER_FS_MEDIA_GUID_H__
+#define QEMU_KERNEL_LOADER_FS_MEDIA_GUID_H__
+
+#define QEMU_KERNEL_LOADER_FS_MEDIA_GUID \
+  {0x1428f772, 0xb64a, 0x441e, {0xb8, 0xc3, 0x9e, 0xbd, 0xd7, 0xf8, 0x93, 0xc7}}
+
+extern EFI_GUID gQemuKernelLoaderFsMediaGuid;
+
+#endif
diff --git a/OvmfPkg/OvmfPkg.dec b/OvmfPkg/OvmfPkg.dec
index 43d16372a2..a21b279d14 100644
--- a/OvmfPkg/OvmfPkg.dec
+++ b/OvmfPkg/OvmfPkg.dec
@@ -87,6 +87,7 @@
   gEfiLegacyBiosGuid                  = {0x2E3044AC, 0x879F, 0x490F, {0x97, 0x60, 0xBB, 0xDF, 0xAF, 0x69, 0x5F, 0x50}}
   gEfiLegacyDevOrderVariableGuid      = {0xa56074db, 0x65fe, 0x45f7, {0xbd, 0x21, 0x2d, 0x2b, 0xdd, 0x8e, 0x96, 0x52}}
   gLinuxEfiInitrdMediaGuid            = {0x5568e427, 0x68fc, 0x4f3d, {0xac, 0x74, 0xca, 0x55, 0x52, 0x31, 0xcc, 0x68}}
+  gQemuKernelLoaderFsMediaGuid        = {0x1428f772, 0xb64a, 0x441e, {0xb8, 0xc3, 0x9e, 0xbd, 0xd7, 0xf8, 0x93, 0xc7}}
 
 [Ppis]
   # PPI whose presence in the PPI database signals that the TPM base address