[PATCH 2/9] Vlv2TbltDevicePkg/SystemFirmwareDescriptor: Add Descriptor for capsule update.

[Jiewen Yao <jiewen.yao@intel.com>]

Add SystemFirmwareDescriptor for capsule update.
The PEIM extracts SystemFirmwareDescriptor info from FFS and reports it via PCD.

Cc: David Wei <david.wei@intel.com>
Cc: Feng Tian <feng.tian@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Cc: Chao Zhang <chao.b.zhang@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: David Wei <david.wei@intel.com>
---
 Vlv2TbltDevicePkg/Feature/Capsule/SystemFirmwareDescriptor/SystemFirmwareDescriptor.aslc | 89 ++++++++++++++++++++
 Vlv2TbltDevicePkg/Feature/Capsule/SystemFirmwareDescriptor/SystemFirmwareDescriptor.inf  | 46 ++++++++++
 Vlv2TbltDevicePkg/Feature/Capsule/SystemFirmwareDescriptor/SystemFirmwareDescriptorPei.c | 66 +++++++++++++++
 3 files changed, 201 insertions(+)

diff --git a/Vlv2TbltDevicePkg/Feature/Capsule/SystemFirmwareDescriptor/SystemFirmwareDescriptor.aslc b/Vlv2TbltDevicePkg/Feature/Capsule/SystemFirmwareDescriptor/SystemFirmwareDescriptor.aslc
new file mode 100644
index 0000000..4c9b63e
--- /dev/null
+++ b/Vlv2TbltDevicePkg/Feature/Capsule/SystemFirmwareDescriptor/SystemFirmwareDescriptor.aslc
@@ -0,0 +1,89 @@
+/** @file
+  System Firmware descriptor.
+
+  Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
+  This program and the accompanying materials
+  are licensed and made available under the terms and conditions of the BSD License
+  which accompanies this distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <PiPei.h>
+#include <Protocol/FirmwareManagement.h>
+#include <Guid/EdkiiSystemFmpCapsule.h>
+
+#define PACKAGE_VERSION                     0xFFFFFFFF
+#define PACKAGE_VERSION_STRING              L"Unknown"
+
+#define CURRENT_FIRMWARE_VERSION            0x00000002
+#define CURRENT_FIRMWARE_VERSION_STRING     L"0x00000002"
+#define LOWEST_SUPPORTED_FIRMWARE_VERSION   0x00000001
+
+#define IMAGE_ID                            SIGNATURE_64('V', 'L', 'V', '2', '_', '_', 'F', 'd')
+#define IMAGE_ID_STRING                     L"Vlv2Fd"
+
+// PcdSystemFmpCapsuleImageTypeIdGuid
+#define IMAGE_TYPE_ID_GUID                  { 0x4096267b, 0xda0a, 0x42eb, { 0xb5, 0xeb, 0xfe, 0xf3, 0x1d, 0x20, 0x7c, 0xb4 } }
+
+typedef struct {
+  EDKII_SYSTEM_FIRMWARE_IMAGE_DESCRIPTOR  Descriptor;
+  // real string data
+  CHAR16                                  ImageIdNameStr[16];
+  CHAR16                                  VersionNameStr[16];
+  CHAR16                                  PackageVersionNameStr[16];
+} IMAGE_DESCRIPTOR;
+
+IMAGE_DESCRIPTOR mImageDescriptor =
+{
+  {
+    EDKII_SYSTEM_FIRMWARE_IMAGE_DESCRIPTOR_SIGNATURE,
+    sizeof(EDKII_SYSTEM_FIRMWARE_IMAGE_DESCRIPTOR),
+    sizeof(IMAGE_DESCRIPTOR),
+    PACKAGE_VERSION,                                       // PackageVersion
+    OFFSET_OF (IMAGE_DESCRIPTOR, PackageVersionNameStr),   // PackageVersionName
+    1,                                                     // ImageIndex;
+    {0x0},                                                 // Reserved
+    IMAGE_TYPE_ID_GUID,                                    // ImageTypeId;
+    IMAGE_ID,                                              // ImageId;
+    OFFSET_OF (IMAGE_DESCRIPTOR, ImageIdNameStr),          // ImageIdName;
+    CURRENT_FIRMWARE_VERSION,                              // Version;
+    OFFSET_OF (IMAGE_DESCRIPTOR, VersionNameStr),          // VersionName;
+    {0x0},                                                 // Reserved2
+    FixedPcdGet32(PcdFlashAreaSize),                       // Size;
+    IMAGE_ATTRIBUTE_IMAGE_UPDATABLE |
+      IMAGE_ATTRIBUTE_RESET_REQUIRED |
+      IMAGE_ATTRIBUTE_AUTHENTICATION_REQUIRED |
+      IMAGE_ATTRIBUTE_IN_USE,                              // AttributesSupported;
+    IMAGE_ATTRIBUTE_IMAGE_UPDATABLE |
+      IMAGE_ATTRIBUTE_RESET_REQUIRED |
+      IMAGE_ATTRIBUTE_AUTHENTICATION_REQUIRED |
+      IMAGE_ATTRIBUTE_IN_USE,                              // AttributesSetting;
+    0x0,                                                   // Compatibilities;
+    LOWEST_SUPPORTED_FIRMWARE_VERSION,                     // LowestSupportedImageVersion;
+    0x00000000,                                            // LastAttemptVersion;
+    0,                                                     // LastAttemptStatus;
+    {0x0},                                                 // Reserved3
+    0,                                                     // HardwareInstance;
+  },
+  // real string data
+  {IMAGE_ID_STRING},
+  {CURRENT_FIRMWARE_VERSION_STRING},
+  {PACKAGE_VERSION_STRING},
+};
+
+
+VOID*
+ReferenceAcpiTable (
+  VOID
+  )
+{
+  //
+  // Reference the table being generated to prevent the optimizer from
+  // removing the data structure from the executable
+  //
+  return (VOID*)&mImageDescriptor;
+}
diff --git a/Vlv2TbltDevicePkg/Feature/Capsule/SystemFirmwareDescriptor/SystemFirmwareDescriptor.inf b/Vlv2TbltDevicePkg/Feature/Capsule/SystemFirmwareDescriptor/SystemFirmwareDescriptor.inf
new file mode 100644
index 0000000..2df1098
--- /dev/null
+++ b/Vlv2TbltDevicePkg/Feature/Capsule/SystemFirmwareDescriptor/SystemFirmwareDescriptor.inf
@@ -0,0 +1,46 @@
+## @file
+#  System Firmware descriptor.
+#
+#  Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
+#  This program and the accompanying materials
+#  are licensed and made available under the terms and conditions of the BSD License
+#  which accompanies this distribution.  The full text of the license may be found at
+#  http://opensource.org/licenses/bsd-license.php
+#
+#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#
+##
+
+[Defines]
+  INF_VERSION                    = 0x00010005
+  BASE_NAME                      = SystemFirmwareDescriptor
+  FILE_GUID                      = 90B2B846-CA6D-4D6E-A8D3-C140A8E110AC
+  MODULE_TYPE                    = PEIM
+  VERSION_STRING                 = 1.0
+  ENTRY_POINT                    = SystemFirmwareDescriptorPeimEntry
+
+[Sources]
+  SystemFirmwareDescriptorPei.c
+  SystemFirmwareDescriptor.aslc
+
+[Packages]
+  MdePkg/MdePkg.dec
+  MdeModulePkg/MdeModulePkg.dec
+  SignedCapsulePkg/SignedCapsulePkg.dec
+  Vlv2TbltDevicePkg/PlatformPkg.dec
+
+[LibraryClasses]
+  PcdLib
+  PeiServicesLib
+  DebugLib
+  PeimEntryPoint
+
+[FixedPcd]
+  gPlatformModuleTokenSpaceGuid.PcdFlashAreaSize
+
+[Pcd]
+  gEfiSignedCapsulePkgTokenSpaceGuid.PcdEdkiiSystemFirmwareImageDescriptor
+
+[Depex]
+  TRUE
diff --git a/Vlv2TbltDevicePkg/Feature/Capsule/SystemFirmwareDescriptor/SystemFirmwareDescriptorPei.c b/Vlv2TbltDevicePkg/Feature/Capsule/SystemFirmwareDescriptor/SystemFirmwareDescriptorPei.c
new file mode 100644
index 0000000..f4da0be
--- /dev/null
+++ b/Vlv2TbltDevicePkg/Feature/Capsule/SystemFirmwareDescriptor/SystemFirmwareDescriptorPei.c
@@ -0,0 +1,66 @@
+/** @file
+  System Firmware descriptor producer.
+
+  Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
+  This program and the accompanying materials
+  are licensed and made available under the terms and conditions of the BSD License
+  which accompanies this distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <PiPei.h>
+#include <Library/PcdLib.h>
+#include <Library/PeiServicesLib.h>
+#include <Library/DebugLib.h>
+#include <Protocol/FirmwareManagement.h>
+#include <Guid/EdkiiSystemFmpCapsule.h>
+
+/**
+  Entrypoint for SystemFirmwareDescriptor PEIM.
+
+  @param[in]  FileHandle  Handle of the file being invoked.
+  @param[in]  PeiServices Describes the list of possible PEI Services.
+
+  @retval EFI_SUCCESS            PPI successfully installed.
+**/
+EFI_STATUS
+EFIAPI
+SystemFirmwareDescriptorPeimEntry (
+  IN EFI_PEI_FILE_HANDLE     FileHandle,
+  IN CONST EFI_PEI_SERVICES  **PeiServices
+  )
+{
+  EFI_STATUS                              Status;
+  EDKII_SYSTEM_FIRMWARE_IMAGE_DESCRIPTOR  *Descriptor;
+  UINTN                                   Size;
+  UINTN                                   Index;
+  UINT32                                  AuthenticationStatus;
+
+  //
+  // Search RAW section.
+  //
+  Index = 0;
+  while (TRUE) {
+    Status = PeiServicesFfsFindSectionData3(EFI_SECTION_RAW, Index, FileHandle, (VOID **)&Descriptor, &AuthenticationStatus);
+    if (EFI_ERROR(Status)) {
+      // Should not happen, must something wrong in FDF.
+      ASSERT(FALSE);
+      return EFI_NOT_FOUND;
+    }
+    if (Descriptor->Signature == EDKII_SYSTEM_FIRMWARE_IMAGE_DESCRIPTOR_SIGNATURE) {
+      break;
+    }
+    Index++;
+  }
+
+  DEBUG((EFI_D_INFO, "EDKII_SYSTEM_FIRMWARE_IMAGE_DESCRIPTOR size - 0x%x\n", Descriptor->Length));
+
+  Size = Descriptor->Length;
+  PcdSetPtrS (PcdEdkiiSystemFirmwareImageDescriptor, &Size, Descriptor);
+
+  return EFI_SUCCESS;
+}
-- 
2.7.4.windows.1