[PATCH V5 5/6] MdeModulePkg: Add FMP Capsule Image Header extension

["Oleksiy Yakovlev" <oleksiyy@ami.com>]

Add bitmask to structure which gives a binary-inspectable mechanism to
determine if a capsule contains an authentication section or depex section.
(UEFI 2.8 errata a, mantis 2026)

Signed-off-by: Oleksiy Yakovlev <oleksiyy@ami.com>
---
 MdeModulePkg/Application/CapsuleApp/CapsuleDump.c    |  1 +
 .../Library/DxeCapsuleLibFmp/DxeCapsuleLib.c         | 20 ++++++++++++++++----
 2 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/MdeModulePkg/Application/CapsuleApp/CapsuleDump.c b/MdeModulePkg/Application/CapsuleApp/CapsuleDump.c
index 7e3e072..e3ab199 100644
--- a/MdeModulePkg/Application/CapsuleApp/CapsuleDump.c
+++ b/MdeModulePkg/Application/CapsuleApp/CapsuleDump.c
@@ -98,6 +98,7 @@ DumpFmpCapsule (
     Print(L"  UpdateVendorCodeSize   - 0x%x\n", FmpImageHeader->UpdateVendorCodeSize);
     if (FmpImageHeader->Version >= EFI_FIRMWARE_MANAGEMENT_CAPSULE_IMAGE_HEADER_INIT_VERSION) {
       Print(L"  UpdateHardwareInstance - 0x%lx\n", FmpImageHeader->UpdateHardwareInstance);
+      Print(L"  ImageCapsuleSupport - 0x%lx\n", FmpImageHeader->ImageCapsuleSupport);
     }
   }
 }
diff --git a/MdeModulePkg/Library/DxeCapsuleLibFmp/DxeCapsuleLib.c b/MdeModulePkg/Library/DxeCapsuleLibFmp/DxeCapsuleLib.c
index 5dda561..f9819a7 100644
--- a/MdeModulePkg/Library/DxeCapsuleLibFmp/DxeCapsuleLib.c
+++ b/MdeModulePkg/Library/DxeCapsuleLibFmp/DxeCapsuleLib.c
@@ -285,8 +285,10 @@ ValidateFmpCapsule (
       DEBUG((DEBUG_ERROR, "ImageHeader->Version(0x%x) Unknown\n", ImageHeader->Version));
       return EFI_INVALID_PARAMETER;
     }
-    if (ImageHeader->Version < EFI_FIRMWARE_MANAGEMENT_CAPSULE_IMAGE_HEADER_INIT_VERSION) {
+    if (ImageHeader->Version == 1) {
       FmpImageHeaderSize = OFFSET_OF(EFI_FIRMWARE_MANAGEMENT_CAPSULE_IMAGE_HEADER, UpdateHardwareInstance);
+    } else {
+      FmpImageHeaderSize = OFFSET_OF(EFI_FIRMWARE_MANAGEMENT_CAPSULE_IMAGE_HEADER, ImageCapsuleSupport);
     }
     if (FmpImageSize < FmpImageHeaderSize) {
       DEBUG((DEBUG_ERROR, "FmpImageSize(0x%lx) < FmpImageHeaderSize(0x%x)\n", FmpImageSize, FmpImageHeaderSize));
@@ -521,6 +523,7 @@ DumpFmpCapsule (
     DEBUG((DEBUG_VERBOSE, "    UpdateVendorCodeSize   - 0x%x\n", ImageHeader->UpdateVendorCodeSize));
     if (ImageHeader->Version >= EFI_FIRMWARE_MANAGEMENT_CAPSULE_IMAGE_HEADER_INIT_VERSION) {
       DEBUG((DEBUG_VERBOSE, "    UpdateHardwareInstance - 0x%lx\n", ImageHeader->UpdateHardwareInstance));
+      DEBUG((DEBUG_VERBOSE, "    ImageCapsuleSupport - 0x%lx\n", ImageHeader->ImageCapsuleSupport));
     }
   }
 }
@@ -928,9 +931,14 @@ SetFmpImageData (
   } else {
     //
     // If the EFI_FIRMWARE_MANAGEMENT_CAPSULE_IMAGE_HEADER is version 1,
-    // Header should exclude UpdateHardwareInstance field
+    // Header should exclude UpdateHardwareInstance field, and
+    // ImageCapsuleSupport field if version is 2.
     //
-    Image = (UINT8 *)ImageHeader + OFFSET_OF(EFI_FIRMWARE_MANAGEMENT_CAPSULE_IMAGE_HEADER, UpdateHardwareInstance);
+    if (ImageHeader->Version == 1) {
+      Image = (UINT8 *)ImageHeader + OFFSET_OF(EFI_FIRMWARE_MANAGEMENT_CAPSULE_IMAGE_HEADER, UpdateHardwareInstance);
+    } else {
+      Image = (UINT8 *)ImageHeader + OFFSET_OF(EFI_FIRMWARE_MANAGEMENT_CAPSULE_IMAGE_HEADER, ImageCapsuleSupport);
+    }
   }
 
   if (ImageHeader->UpdateVendorCodeSize == 0) {
@@ -945,6 +953,7 @@ SetFmpImageData (
   DEBUG((DEBUG_INFO, "ImageIndex - 0x%x ", ImageHeader->UpdateImageIndex));
   if (ImageHeader->Version >= EFI_FIRMWARE_MANAGEMENT_CAPSULE_IMAGE_HEADER_INIT_VERSION) {
     DEBUG((DEBUG_INFO, "(UpdateHardwareInstance - 0x%x)", ImageHeader->UpdateHardwareInstance));
+    DEBUG((DEBUG_INFO, "(ImageCapsuleSupport - 0x%x)", ImageHeader->ImageCapsuleSupport));
   }
   DEBUG((DEBUG_INFO, "\n"));
 
@@ -1239,7 +1248,10 @@ ProcessFmpCapsuleImage (
     ImageHeader  = (EFI_FIRMWARE_MANAGEMENT_CAPSULE_IMAGE_HEADER *)((UINT8 *)FmpCapsuleHeader + ItemOffsetList[Index]);
 
     UpdateHardwareInstance = 0;
-    if (ImageHeader->Version >= EFI_FIRMWARE_MANAGEMENT_CAPSULE_IMAGE_HEADER_INIT_VERSION) {
+    ///
+    /// UpdateHardwareInstance field was added in Version 2
+    ///
+    if (ImageHeader->Version >= 2) {
       UpdateHardwareInstance = ImageHeader->UpdateHardwareInstance;
     }
 
-- 
2.9.0.windows.1


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