1 files changed, 55 insertions, 0 deletions
diff --git a/MdeModulePkg/Include/Ppi/CapsuleOnDisk.h b/MdeModulePkg/Include/Ppi/CapsuleOnDisk.h
new file mode 100644
index 0000000000..8ff2ba4b17
--- /dev/null
+++ b/MdeModulePkg/Include/Ppi/CapsuleOnDisk.h
@@ -0,0 +1,55 @@
+/** @file
+  This file declares Capsule On Disk PPI.  This PPI is used to find and load the
+  capsule on files that are relocated into a temp file under rootdir.
+
+  Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef __PEI_CAPSULE_ON_DISK_PPI_H__
+#define __PEI_CAPSULE_ON_DISK_PPI_H__
+
+#define EDKII_PEI_CAPSULE_ON_DISK_PPI_GUID \
+  { \
+    0x71a9ea61, 0x5a35, 0x4a5d, {0xac, 0xef, 0x9c, 0xf8, 0x6d, 0x6d, 0x67, 0xe0 } \
+  }
+
+typedef struct _EDKII_PEI_CAPSULE_ON_DISK_PPI EDKII_PEI_CAPSULE_ON_DISK_PPI;
+
+/**
+  Loads a DXE capsule from some media into memory and updates the HOB table
+  with the DXE firmware volume information.
+
+  @param  PeiServices   General-purpose services that are available to every PEIM.
+  @param  This          Indicates the EFI_PEI_RECOVERY_MODULE_PPI instance.
+
+  @retval EFI_SUCCESS        The capsule was loaded correctly.
+  @retval EFI_DEVICE_ERROR   A device error occurred.
+  @retval EFI_NOT_FOUND      A recovery DXE capsule cannot be found.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EDKII_PEI_LOAD_CAPSULE_ON_DISK)(
+  IN EFI_PEI_SERVICES               **PeiServices,
+  IN EDKII_PEI_CAPSULE_ON_DISK_PPI  *This
+  );
+
+///
+///  Finds and loads the recovery files.
+///
+struct _EDKII_PEI_CAPSULE_ON_DISK_PPI {
+  EDKII_PEI_LOAD_CAPSULE_ON_DISK LoadCapsuleOnDisk;  ///< Loads a DXE binary capsule into memory.
+};
+
+extern EFI_GUID gEdkiiPeiCapsuleOnDiskPpiGuid;
+
+#define EDKII_PEI_BOOT_IN_CAPSULE_ON_DISK_MODE_PPI \
+  { \
+    0xb08a11e4, 0xe2b7, 0x4b75, { 0xb5, 0x15, 0xaf, 0x61, 0x6, 0x68, 0xbf, 0xd1 } \
+  }
+
+extern EFI_GUID gEdkiiPeiBootInCapsuleOnDiskModePpiGuid;
+
+#endif