BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=1852

This patch will add Capsule On Disk related definition, including
GUID, PPI and PCDs:
The Capsule On Disk Name GUID indicates the capsule is to store
Capsule On Disk file names.
The Pei Capsule On Disk PPI provides service to retrieve capsules
from Capsule On Disk temp relocation file on mass storage devices
and create capsule hob for these capsules.
PcdCapsuleOnDiskSupport is used to enable/disable Capsule On Disk.
PcdCapsuleInRamSupport is used to enabble/disable Capsule In Ram.
PcdCoDRelocationFileName specifies the Capsule On Disk temp
relocation file name.
PcdCodRelocationDevPath specifies platform specific device to store
Capsule On Disk tem relocation file.

Cc: Jian J Wang <jian.j.w...@intel.com>
Cc: Hao A Wu <hao.a...@intel.com>
Cc: Chao B Zhang <chao.b.zh...@intel.com>
Signed-off-by: Wei6 Xu <wei6...@intel.com>
---
 MdeModulePkg/Include/Ppi/CapsuleOnDisk.h | 48 ++++++++++++++++++++++++++++++++
 MdeModulePkg/MdeModulePkg.dec            | 43 ++++++++++++++++++++++++++++
 MdeModulePkg/MdeModulePkg.uni            | 32 +++++++++++++++++++++
 3 files changed, 123 insertions(+)
 create mode 100644 MdeModulePkg/Include/Ppi/CapsuleOnDisk.h

diff --git a/MdeModulePkg/Include/Ppi/CapsuleOnDisk.h 
b/MdeModulePkg/Include/Ppi/CapsuleOnDisk.h
new file mode 100644
index 0000000000..28be6e42be
--- /dev/null
+++ b/MdeModulePkg/Include/Ppi/CapsuleOnDisk.h
@@ -0,0 +1,48 @@
+/** @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 EFI_PEI_CAPSULE_ON_DISK_PPI_GUID \
+  { \
+    0x71a9ea61, 0x5a35, 0x4a5d, {0xac, 0xef, 0x9c, 0xf8, 0x6d, 0x6d, 0x67, 
0xe0 } \
+  }
+
+typedef struct _EFI_PEI_CAPSULE_ON_DISK_PPI EFI_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 *EFI_PEI_LOAD_CAPSULE_ON_DISK)(
+  IN EFI_PEI_SERVICES             **PeiServices,
+  IN EFI_PEI_CAPSULE_ON_DISK_PPI  *This
+  );
+
+///
+///  Finds and loads the recovery files.
+///
+struct _EFI_PEI_CAPSULE_ON_DISK_PPI {
+  EFI_PEI_LOAD_CAPSULE_ON_DISK LoadCapsuleOnDisk;  ///< Loads a DXE binary 
capsule into memory.
+};
+
+extern EFI_GUID gEdkiiPeiCapsuleOnDiskPpiGuid;
+
+#endif
diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec
index 6cba729982..d80b728313 100644
--- a/MdeModulePkg/MdeModulePkg.dec
+++ b/MdeModulePkg/MdeModulePkg.dec
@@ -394,10 +394,13 @@
   gEdkiiS3SmmInitDoneGuid = { 0x8f9d4825, 0x797d, 0x48fc, { 0x84, 0x71, 0x84, 
0x50, 0x25, 0x79, 0x2e, 0xf6 } }
 
   ## Include/Guid/S3StorageDeviceInitList.h
   gS3StorageDeviceInitListGuid = { 0x310e9b8c, 0xcf90, 0x421e, { 0x8e, 0x9b, 
0x9e, 0xef, 0xb6, 0x17, 0xc8, 0xef } }
 
+  ## GUID indicates the capsule is to store Capsule On Disk file names.
+  gEdkiiCapsuleOnDiskNameGuid = { 0x98c80a4f, 0xe16b, 0x4d11, { 0x93, 0x9a, 
0xab, 0xe5, 0x61, 0x26, 0x3, 0x30 } }
+
 [Ppis]
   ## Include/Ppi/AtaController.h
   gPeiAtaControllerPpiGuid       = { 0xa45e60d1, 0xc719, 0x44aa, { 0xb0, 0x7a, 
0xaa, 0x77, 0x7f, 0x85, 0x90, 0x6d }}
 
   ## Include/Ppi/UsbHostController.h
@@ -464,10 +467,13 @@
   gEdkiiPeiAtaPassThruPpiGuid               = { 0xa16473fd, 0xd474, 0x4c89, { 
0xae, 0xc7, 0x90, 0xb8, 0x3c, 0x73, 0x86, 0x9  } }
 
   ## Include/Ppi/Debug.h
   gEdkiiDebugPpiGuid                        = { 0x999e699c, 0xb013, 0x475e, { 
0xb1, 0x7b, 0xf3, 0xa8, 0xae, 0x5c, 0x48, 0x75 } }
 
+  ## Include/Ppi/CapsuleOnDisk.h
+  gEdkiiPeiCapsuleOnDiskPpiGuid             =  {0x71a9ea61, 0x5a35, 0x4a5d, 
{0xac, 0xef, 0x9c, 0xf8, 0x6d, 0x6d, 0x67, 0xe0}}
+
 [Protocols]
   ## Load File protocol provides capability to load and unload EFI image into 
memory and execute it.
   #  Include/Protocol/LoadPe32Image.h
   #  This protocol is deprecated. Native EDKII module should NOT use this 
protocol to load/unload image.
   #  If developer need implement such functionality, they should use 
BasePeCoffLib.
@@ -1473,10 +1479,26 @@
 
   ## Indicates the allowable maximum number of Reset Filters, Reset 
Notifications or Reset Handlers in PEI phase.
   # @Prompt Maximum Number of PEI Reset Filters, Reset Notifications or Reset 
Handlers.
   
gEfiMdeModulePkgTokenSpaceGuid.PcdMaximumPeiResetNotifies|0x10|UINT32|0x0000010A
 
+  ## Capsule On Disk is to deliver capsules via files on Mass Storage 
device.<BR><BR>
+  #  This PCD indicates if the Capsule On Disk is supported.<BR>
+  #   TRUE  - Capsule On Disk is supported.<BR>
+  #   FALSE - Capsule On Disk is not supported.<BR>
+  #  If platform does not use this feature, this PCD should be set to 
FALSE.<BR><BR>
+  #  Two sulotions to deliver Capsule On Disk:<BR>
+  #    a) If PcdCapsuleInRamSupport = TRUE, Load Capsule On Disk image out of 
TCB, and reuse
+  #       Capsule In Ram to deliver capsule.<BR>
+  #    b) If PcdCapsuleInRamSupport = FALSE, Relocate Capsule On Disk image to 
RootDir out
+  #       of TCB, and reuse FatPei to load capsules from external storage.<BR>
+  #  Note:<BR>
+  #    If Both Capsule In Ram and Capsule On Disk are provisioned at the same 
time, the Capsule
+  #  On Disk will be bypassed.
+  # @Prompt Enable Capsule On Disk support.
+  
gEfiMdeModulePkgTokenSpaceGuid.PcdCapsuleOnDiskSupport|FALSE|BOOLEAN|0x0000002d
+
 [PcdsPatchableInModule, PcdsDynamic, PcdsDynamicEx]
   ## This PCD defines the Console output row. The default value is 25 
according to UEFI spec.
   #  This PCD could be set to 0 then console output would be at max column and 
max row.
   # @Prompt Console output row.
   gEfiMdeModulePkgTokenSpaceGuid.PcdConOutRow|25|UINT32|0x40000006
@@ -1932,10 +1954,17 @@
   #  The file name must be the 8.3 format.
   #  The PCD data must be in UNICODE format.
   # @Prompt Recover file name in PEI phase
   
gEfiMdeModulePkgTokenSpaceGuid.PcdRecoveryFileName|L"FVMAIN.FV"|VOID*|0x30001045
 
+  ## This is Capsule Temp Relocation file name in PEI phase.
+  #  The file must be in the root directory.
+  #  The file name must be the 8.3 format.
+  #  The PCD data must be in UNICODE format.
+  # @Prompt Capsule On Disk Temp Relocation file name in PEI phase
+  
gEfiMdeModulePkgTokenSpaceGuid.PcdCoDRelocationFileName|L"TempCod.tmp"|VOID*|0x30001048
+
   ## This PCD hold a list GUIDs for the ImageTypeId to indicate the
   #  FMP capsule is a system FMP.
   # @Prompt A list of system FMP ImageTypeId GUIDs
   
gEfiMdeModulePkgTokenSpaceGuid.PcdSystemFmpCapsuleImageTypeIdGuid|{0x0}|VOID*|0x30001046
 
@@ -1943,10 +1972,24 @@
   #  enabled on AMD processors supporting the Secure Encrypted Virtualization 
(SEV) feature.
   #  This mask should be applied when creating 1:1 virtual to physical mapping 
tables.
   # @Prompt The address mask when memory encryption is enabled.
   
gEfiMdeModulePkgTokenSpaceGuid.PcdPteMemoryEncryptionAddressOrMask|0x0|UINT64|0x30001047
 
+  ## Capsule In Ram is to use memory to deliver the capsules that will be 
processed after system
+  #  reset.<BR><BR>
+  #  This PCD indicates if the Capsule In Ram is supported.<BR>
+  #   TRUE  - Capsule In Ram is supported.<BR>
+  #   FALSE - Capsule In Ram is not supported.
+  # @Prompt Enable Capsule In Ram support.
+  gEfiMdeModulePkgTokenSpaceGuid.PcdCapsuleInRamSupport|TRUE|BOOLEAN|0x0000002e
+
+  ## Full device path of plaform specific device to store Capsule On Disk temp 
relocation file.<BR>
+  #  If this PCD is set, Capsule On Disk temp relocation file will be stored 
in the device specified
+  #  by this PCD, instead of the EFI System Partition that stores capsule 
image file.
+  # @Prompt Capsule On Disk relocation device path.
+  
gEfiMdeModulePkgTokenSpaceGuid.PcdCodRelocationDevPath|{0xFF}|VOID*|0x0000002f
+
 [PcdsPatchableInModule]
   ## Specify memory size with page number for PEI code when
   #  Loading Module at Fixed Address feature is enabled.
   #  The value will be set by the build tool.
   # @Prompt LMFA PEI code page number.
diff --git a/MdeModulePkg/MdeModulePkg.uni b/MdeModulePkg/MdeModulePkg.uni
index ed8ac9eadc..85c6beae0d 100644
--- a/MdeModulePkg/MdeModulePkg.uni
+++ b/MdeModulePkg/MdeModulePkg.uni
@@ -1064,10 +1064,17 @@
 #string STR_gEfiMdeModulePkgTokenSpaceGuid_PcdRecoveryFileName_HELP  #language 
en-US "This is recover file name in PEI phase.\n"
                                                                                
      "The file must be in the root directory.\n"
                                                                                
      "The file name must be the 8.3 format.\n"
                                                                                
      "The PCD data must be in UNICODE format."
 
+#string STR_gEfiMdeModulePkgTokenSpaceGuid_PcdCoDRelocationFileName_PROMPT  
#language en-US "Capsule On Disk Temp Relocation file name in PEI phase"
+
+#string STR_gEfiMdeModulePkgTokenSpaceGuid_PcdCoDRelocationFileName_HELP  
#language en-US "This is Capsule Temp Relocation file name in PEI phase.\n"
+                                                                               
           "The file must be in the root directory.\n"
+                                                                               
           "The file name must be the 8.3 format.\n"
+                                                                               
           "The PCD data must be in UNICODE format."
+
 #string 
STR_gEfiMdeModulePkgTokenSpaceGuid_PcdSystemFmpCapsuleImageTypeIdGuid_PROMPT  
#language en-US "A list of system FMP ImageTypeId GUIDs"
 
 #string 
STR_gEfiMdeModulePkgTokenSpaceGuid_PcdSystemFmpCapsuleImageTypeIdGuid_HELP  
#language en-US "This PCD hold a list GUIDs for the ImageTypeId to indicate 
the\n"
                                                                                
                     "FMP capsule is a system FMP."
 
@@ -1129,10 +1136,35 @@
 
 #string 
STR_gEfiMdeModulePkgTokenSpaceGuid_PcdPteMemoryEncryptionAddressOrMask_HELP  
#language en-US "This PCD holds the address mask for page table entries when 
memory encryption is\n"
                                                                                
                      "enabled on AMD processors supporting the Secure 
Encrypted Virtualization (SEV) feature.\n"
                                                                                
                      "This mask should be applied when creating 1:1 virtual to 
physical mapping tables."
 
+#string STR_gEfiMdeModulePkgTokenSpaceGuid_PcdCapsuleOnDiskSupport_PROMPT  
#language en-US "Enable Capsule On Disk support"
+
+#string STR_gEfiMdeModulePkgTokenSpaceGuid_PcdCapsuleOnDiskSupport_HELP  
#language en-US   "Capsule On Disk is to deliver capsules via files on Mass 
Storage device.<BR><BR>"
+                                                                               
            "This PCD indicates if the Capsule On Disk is supported.<BR>"
+                                                                               
            " TRUE  - Capsule On Disk is supported.<BR>"
+                                                                               
            " FALSE - Capsule On Disk is not supported.<BR>"
+                                                                               
            "If platform does not use this feature, this PCD should be set to 
FALSE.<BR><BR>"
+                                                                               
            "Two sulotions to deliver Capsule On Disk:<BR>"
+                                                                               
            " a) If PcdCapsuleInRamSupport = TRUE, Load Capsule On Disk image 
out of TCB, and reuse Capsule In Ram to deliver capsule.<BR>"
+                                                                               
            " b) If PcdCapsuleInRamSupport = FALSE, Relocate Capsule On Disk 
image to RootDir out of TCB, and reuse FatPei to load capsules from external 
storage.<BR>"
+                                                                               
            "Note:<BR>"
+                                                                               
            "If Both Capsule In Ram and Capsule On Disk are provisioned at the 
same time, the Capsule On Disk will be bypassed."
+
+#string STR_gEfiMdeModulePkgTokenSpaceGuid_PcdCapsuleInRamSupport_PROMPT  
#language en-US "Enable Capsule In Ram support"
+
+#string STR_gEfiMdeModulePkgTokenSpaceGuid_PcdCapsuleInRamSupport_HELP  
#language en-US   "Capsule In Ram is to use memory to deliver the capsules that 
will be processed after system reset.<BR><BR>"
+                                                                               
           "This PCD indicates if the Capsule In Ram is supported.<BR>"
+                                                                               
           " TRUE  - Capsule In Ram is supported.<BR>"
+                                                                               
           " FALSE - Capsule In Ram is not supported."
+
+#string STR_gEfiMdeModulePkgTokenSpaceGuid_PcdCodRelocationDevPath_PROMPT  
#language en-US "Capsule On Disk relacation device path."
+
+#string STR_gEfiMdeModulePkgTokenSpaceGuid_PcdCodRelocationDevPath_HELP  
#language en-US   "Full device path of plaform specific device to store Capsule 
On Disk temp relocation file.<BR>"
+                                                                               
            "If this PCD is set, Capsule On Disk temp relocation file will be 
stored in the device specified by this PCD, instead of the EFI System Partition 
that stores capsule image file."
+
 #string 
STR_gEfiMdeModulePkgTokenSpaceGuid_PcdNullPointerDetectionPropertyMask_PROMPT  
#language en-US "Enable NULL pointer detection"
 
 #string 
STR_gEfiMdeModulePkgTokenSpaceGuid_PcdNullPointerDetectionPropertyMask_HELP    
#language en-US "Mask to control the NULL address detection in code for 
different phases.\n"
                                                                                
                        " If enabled, accessing NULL address in UEFI or SMM 
code can be caught.\n\n"
                                                                                
                        "   BIT0    - Enable NULL pointer detection for UEFI.\n"
-- 
2.16.2.windows.1


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