diff options
| author | davidhuang <davidhuang@6f19259b-4bc3-4df7-8a09-765794883524> | 2006-07-06 06:42:48 +0000 |
|---|---|---|
| committer | davidhuang <davidhuang@6f19259b-4bc3-4df7-8a09-765794883524> | 2006-07-06 06:42:48 +0000 |
| commit | 045f4521f2dffa1f788ea12f2952782f3db627de (patch) | |
| tree | aeefaa4f3520bbdb8ac68c44b892782df7e87b07 /EdkModulePkg/Universal | |
| parent | 1de04b4f83050f9a8f6c3eedce27f841591972f3 (diff) | |
| download | edk2-platforms-045f4521f2dffa1f788ea12f2952782f3db627de.tar.xz | |
1)Add a new module CapsuleRuntime under EdkModulePkg\Universal\Capsule\RuntimeDxe.And add the module into Nt32.fpd
2)Modify the related files to fit for the runtime services UpdateCapsule/QueryCapsuleCapabilities defined in UEFI2.0 spec
3)Modify the related files to fit for the runtime services QueryVariableInfo defined in UEFI2.0 spec
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@790 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'EdkModulePkg/Universal')
16 files changed, 975 insertions, 0 deletions
diff --git a/EdkModulePkg/Universal/Capsule/RuntimeDxe/Capsule.c b/EdkModulePkg/Universal/Capsule/RuntimeDxe/Capsule.c new file mode 100644 index 0000000000..125a4453df --- /dev/null +++ b/EdkModulePkg/Universal/Capsule/RuntimeDxe/Capsule.c @@ -0,0 +1,68 @@ +/*++
+
+Copyright (c) 2006, Intel Corporation
+All rights reserved. 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.
+
+Module Name:
+
+ Capsule.c
+
+Abstract:
+
+ Capsule Runtime Service Initialization
+
+--*/
+
+#include "CapsuleService.h"
+
+
+EFI_STATUS
+EFIAPI
+CapsuleServiceInitialize (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+/*++
+
+Routine Description:
+
+ This code is capsule runtime service initialization.
+
+Arguments:
+
+ ImageHandle The image handle
+ SystemTable The system table.
+
+Returns:
+
+ EFI STATUS
+
+--*/
+{
+ EFI_STATUS Status;
+ EFI_HANDLE NewHandle;
+
+ SystemTable->RuntimeServices->UpdateCapsule = UpdateCapsule;
+ SystemTable->RuntimeServices->QueryCapsuleCapabilities = QueryCapsuleCapabilities;
+
+ //
+ // Now install the Capsule Architectural Protocol on a new handle
+ //
+ NewHandle = NULL;
+
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &NewHandle,
+ &gEfiCapsuleArchProtocolGuid,
+ NULL,
+ NULL
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ return EFI_SUCCESS;
+}
diff --git a/EdkModulePkg/Universal/Capsule/RuntimeDxe/Capsule.dxs b/EdkModulePkg/Universal/Capsule/RuntimeDxe/Capsule.dxs new file mode 100644 index 0000000000..11da2b9cbc --- /dev/null +++ b/EdkModulePkg/Universal/Capsule/RuntimeDxe/Capsule.dxs @@ -0,0 +1,26 @@ +/*++
+
+Copyright (c) 2006, Intel Corporation
+All rights reserved. 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.
+
+Module Name:
+
+ Capsule.dxs
+
+Abstract:
+
+ Dependency expression source file.
+
+--*/
+#include <AutoGen.h>
+#include "DxeDepex.h"
+
+DEPENDENCY_START
+ EFI_VARIABLE_ARCH_PROTOCOL_GUID
+DEPENDENCY_END
\ No newline at end of file diff --git a/EdkModulePkg/Universal/Capsule/RuntimeDxe/CapsuleRuntime.mbd b/EdkModulePkg/Universal/Capsule/RuntimeDxe/CapsuleRuntime.mbd new file mode 100644 index 0000000000..1ae0c53a92 --- /dev/null +++ b/EdkModulePkg/Universal/Capsule/RuntimeDxe/CapsuleRuntime.mbd @@ -0,0 +1,45 @@ +<?xml version="1.0" encoding="UTF-8"?>
+<!--
+Copyright (c) 2006, Intel Corporation
+All rights reserved. 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.
+-->
+<ModuleBuildDescription xmlns="http://www.TianoCore.org/2006/Edk2.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.TianoCore.org/2006/Edk2.0 http://www.TianoCore.org/2006/Edk2.0/SurfaceArea.xsd">
+ <MbdHeader>
+ <BaseName>CapsuleRuntime</BaseName>
+ <Guid>42857F0A-13F2-4B21-8A23-53D3F714B840</Guid>
+ <Version>0</Version>
+ <Description>FIX ME!</Description>
+ <Copyright>Copyright (c) 2004-2006, Intel Corporation</Copyright>
+ <License>
+ All rights reserved. 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.
+ </License>
+ <Created>2006-03-12 17:09</Created>
+ <Modified>2006-03-19 15:19</Modified>
+ </MbdHeader>
+ <Libraries>
+ <Library>BaseLib</Library>
+ <Library>BaseMemoryLib</Library>
+ <Library>UefiDriverEntryPoint</Library>
+ <Library>DxeServicesTableLib</Library>
+ <Library>EdkDxeRuntimeDriverLib</Library>
+ <Library>UefiLib</Library>
+ <Library>BaseDebugLibNull</Library>
+ <Library>BasePrintLib</Library>
+ <Library>DxeMemoryAllocationLib</Library>
+ <Library>UefiBootServicesTableLib</Library>
+ </Libraries>
+ <BuildOptions ToolChain="MSFT">
+ <ImageEntryPoint>_ModuleEntryPoint</ImageEntryPoint>
+ </BuildOptions>
+</ModuleBuildDescription>
diff --git a/EdkModulePkg/Universal/Capsule/RuntimeDxe/CapsuleRuntime.msa b/EdkModulePkg/Universal/Capsule/RuntimeDxe/CapsuleRuntime.msa new file mode 100644 index 0000000000..ea947cc448 --- /dev/null +++ b/EdkModulePkg/Universal/Capsule/RuntimeDxe/CapsuleRuntime.msa @@ -0,0 +1,108 @@ +<?xml version="1.0" encoding="UTF-8"?>
+<!--Copyright (c) 2006, Intel Corporation +All rights reserved. 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.-->
+<ModuleSurfaceArea xmlns="http://www.TianoCore.org/2006/Edk2.0">
+ <MsaHeader>
+ <ModuleName>CapsuleRuntime</ModuleName>
+ <ModuleType>DXE_RUNTIME_DRIVER</ModuleType>
+ <GuidValue>42857F0A-13F2-4B21-8A23-53D3F714B840</GuidValue>
+ <Version>1.0</Version>
+ <Abstract>Component description file for Capsule module.</Abstract>
+ <Description>FIX ME!</Description>
+ <Copyright>Copyright (c) 2004-2006, Intel Corporation</Copyright>
+ <License>All rights reserved. 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.</License>
+ <Specification>FRAMEWORK_BUILD_PACKAGING_SPECIFICATION 0x00000052</Specification>
+ </MsaHeader>
+ <ModuleDefinitions>
+ <SupportedArchitectures>IA32 X64 IPF EBC</SupportedArchitectures>
+ <BinaryModule>false</BinaryModule>
+ <OutputFileBasename>CapsuleRuntime</OutputFileBasename>
+ </ModuleDefinitions>
+ <LibraryClassDefinitions>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>BaseLib</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>UefiLib</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>UefiDriverEntryPoint</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>DxeServicesTableLib</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>DxeRuntimeDriverLib</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>DebugLib</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>PcdLib</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>BaseMemoryLib</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>UefiBootServicesTableLib</Keyword>
+ </LibraryClass>
+ </LibraryClassDefinitions>
+ <SourceFiles>
+ <Filename>Capsule.c</Filename>
+ <Filename>CapsuleService.c</Filename>
+ <Filename>CapsuleService.h</Filename>
+ <Filename>Capsule.dxs</Filename>
+ </SourceFiles>
+ <PackageDependencies>
+ <Package PackageGuid="5e0e9358-46b6-4ae2-8218-4ab8b9bbdcec"/>
+ <Package PackageGuid="B6EC423C-21D2-490D-85C6-DD5864EAA674"/>
+ </PackageDependencies>
+ <Protocols>
+ <Protocol Usage="ALWAYS_CONSUMED">
+ <ProtocolCName>Capsule</ProtocolCName>
+ </Protocol>
+ </Protocols>
+ <Guids>
+ <GuidCNames Usage="ALWAYS_CONSUMED">
+ <GuidCName>CapsuleVendor</GuidCName>
+ </GuidCNames>
+ <GuidCNames Usage="ALWAYS_CONSUMED">
+ <GuidCName>Capsule</GuidCName>
+ </GuidCNames>
+ </Guids>
+ <Externs>
+ <Specification>EFI_SPECIFICATION_VERSION 0x00020000</Specification>
+ <Specification>EDK_RELEASE_VERSION 0x00090000</Specification>
+ <Extern>
+ <ModuleEntryPoint>CapsuleServiceInitialize</ModuleEntryPoint>
+ </Extern>
+ </Externs>
+ <PcdCoded>
+ <PcdEntry PcdItemType="FEATURE_FLAG">
+ <C_Name>PcdSupportUpdateCapsuleRest</C_Name>
+ <TokenSpaceGuidCName>gEfiEdkModulePkgTokenSpaceGuid</TokenSpaceGuidCName>
+ <HelpText>Fix Me!</HelpText>
+ </PcdEntry>
+ <PcdEntry PcdItemType="FIXED_AT_BUILD">
+ <C_Name>MaxSizePopulateCapsule</C_Name>
+ <TokenSpaceGuidCName>gEfiEdkModulePkgTokenSpaceGuid</TokenSpaceGuidCName>
+ <HelpText>Fix Me!</HelpText>
+ </PcdEntry>
+ <PcdEntry PcdItemType="FIXED_AT_BUILD">
+ <C_Name>MaxSizeNonPopulateCapsule</C_Name>
+ <TokenSpaceGuidCName>gEfiEdkModulePkgTokenSpaceGuid</TokenSpaceGuidCName>
+ <HelpText>Fix Me!</HelpText>
+ </PcdEntry>
+ </PcdCoded>
+</ModuleSurfaceArea>
\ No newline at end of file diff --git a/EdkModulePkg/Universal/Capsule/RuntimeDxe/CapsuleService.c b/EdkModulePkg/Universal/Capsule/RuntimeDxe/CapsuleService.c new file mode 100644 index 0000000000..e07cbc8ab0 --- /dev/null +++ b/EdkModulePkg/Universal/Capsule/RuntimeDxe/CapsuleService.c @@ -0,0 +1,238 @@ +/*++
+
+Copyright (c) 2006, Intel Corporation
+All rights reserved. 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.
+
+Module Name:
+
+ CapsuleService.c
+
+Abstract:
+
+ Capsule Runtime Service.
+
+--*/
+
+#include "CapsuleService.h"
+
+
+STATIC EFI_GUID mEfiCapsuleHeaderGuid = EFI_CAPSULE_GUID;
+
+
+EFI_STATUS
+EFIAPI
+UpdateCapsule (
+ IN UEFI_CAPSULE_HEADER **CapsuleHeaderArray,
+ IN UINTN CapsuleCount,
+ IN EFI_PHYSICAL_ADDRESS ScatterGatherList OPTIONAL
+ )
+/*++
+
+Routine Description:
+
+ This code finds whether the capsules need reset to update, if not, update immediately.
+
+Arguments:
+
+ CapsuleHeaderArray A array of pointers to capsule headers passed in
+ CapsuleCount The number of capsule
+ ScatterGatherList Physical address of datablock list points to capsule
+
+Returns:
+
+ EFI STATUS
+ EFI_SUCCESS Valid capsule was passed.If CAPSULE_FLAG_PERSIT_ACROSS_RESET is
+ not set, the capsule has been successfully processed by the firmware.
+ If it set, the ScattlerGatherList is successfully to be set.
+ EFI_INVALID_PARAMETER CapsuleCount is less than 1,CapsuleGuid is not supported.
+ EFI_DEVICE_ERROR Failed to SetVariable or AllocatePool or ProcessFirmwareVolume.
+
+--*/
+{
+ UINTN CapsuleSize;
+ UINTN ArrayNumber;
+ VOID *BufferPtr;
+ EFI_STATUS Status;
+ EFI_HANDLE FvHandle;
+ UEFI_CAPSULE_HEADER *CapsuleHeader;
+
+ if (CapsuleCount < 1) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ BufferPtr = NULL;
+ CapsuleHeader = NULL;
+
+ //
+ //Compare GUIDs with EFI_CAPSULE_GUID, if capsule header contains CAPSULE_FLAGS_PERSIST_ACROSS_RESET
+ //and CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE flags,whatever the GUID is ,the service supports.
+ //
+ for (ArrayNumber = 0; ArrayNumber < CapsuleCount; ArrayNumber++) {
+ CapsuleHeader = CapsuleHeaderArray[ArrayNumber];
+ if ((CapsuleHeader->Flags & CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE) && !(CapsuleHeader->Flags & CAPSULE_FLAGS_PERSIST_ACROSS_RESET)) {
+ return EFI_INVALID_PARAMETER;
+ }
+ if (!CompareGuid (&CapsuleHeader->CapsuleGuid, &mEfiCapsuleHeaderGuid)) {
+ if (!(CapsuleHeader->Flags & CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE)) {
+ return EFI_UNSUPPORTED;
+ }
+ }
+ }
+
+ //
+ //Assume that capsules have the same flags on reseting or not.
+ //
+ CapsuleHeader = CapsuleHeaderArray[0];
+
+ if ((CapsuleHeader->Flags & CAPSULE_FLAGS_PERSIST_ACROSS_RESET) != 0) {
+ //
+ //Check if the platform supports update capsule across a system reset
+ //
+ if (!FeaturePcdGet(PcdSupportUpdateCapsuleRest)) {
+ return EFI_UNSUPPORTED;
+ }
+
+ if (ScatterGatherList == 0) {
+ return EFI_INVALID_PARAMETER;
+ } else {
+ Status = EfiSetVariable (
+ EFI_CAPSULE_VARIABLE_NAME,
+ &gEfiCapsuleVendorGuid,
+ EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_BOOTSERVICE_ACCESS,
+ sizeof (UINTN),
+ (VOID *) &ScatterGatherList
+ );
+ if (Status != EFI_SUCCESS) {
+ return EFI_DEVICE_ERROR;
+ }
+ }
+ return EFI_SUCCESS;
+ }
+
+ //
+ //The rest occurs in the condition of non-reset mode
+ //
+ if (EfiAtRuntime ()) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ //
+ //Here should be in the boot-time
+ //
+ for (ArrayNumber = 0; ArrayNumber < CapsuleCount ; ArrayNumber++) {
+ CapsuleHeader = CapsuleHeaderArray[ArrayNumber];
+ CapsuleSize = CapsuleHeader->CapsuleImageSize - CapsuleHeader->HeaderSize;
+ Status = gBS->AllocatePool (EfiBootServicesData, CapsuleSize, &BufferPtr);
+ if (Status != EFI_SUCCESS) {
+ goto Done;
+ }
+ gBS->CopyMem (BufferPtr, (UINT8*)CapsuleHeader+ CapsuleHeader->HeaderSize, CapsuleSize);
+
+ //
+ //Call DXE service ProcessFirmwareVolume to process immediatelly
+ //
+ Status = gDS->ProcessFirmwareVolume (BufferPtr, CapsuleSize, &FvHandle);
+ if (Status != EFI_SUCCESS) {
+ gBS->FreePool (BufferPtr);
+ return EFI_DEVICE_ERROR;
+ }
+ gDS->Dispatch ();
+ gBS->FreePool (BufferPtr);
+ }
+ return EFI_SUCCESS;
+
+Done:
+ if (BufferPtr != NULL) {
+ gBS->FreePool (BufferPtr);
+ }
+ return EFI_DEVICE_ERROR;
+}
+
+
+
+EFI_STATUS
+EFIAPI
+QueryCapsuleCapabilities (
+ IN UEFI_CAPSULE_HEADER **CapsuleHeaderArray,
+ IN UINTN CapsuleCount,
+ OUT UINT64 *MaxiumCapsuleSize,
+ OUT EFI_RESET_TYPE *ResetType
+ )
+/*++
+
+Routine Description:
+
+ This code is to query about capsule capability.
+
+Arguments:
+
+ CapsuleHeaderArray A array of pointers to capsule headers passed in
+ CapsuleCount The number of capsule
+ MaxiumCapsuleSize Max capsule size is supported
+ ResetType Reset type the capsule indicates, if reset is not needed,return EfiResetCold.
+ If reset is needed, return EfiResetWarm.
+
+Returns:
+
+ EFI STATUS
+ EFI_SUCCESS Valid answer returned
+ EFI_INVALID_PARAMETER MaxiumCapsuleSize is NULL,ResetType is NULL.CapsuleCount is less than 1,CapsuleGuid is not supported.
+ EFI_UNSUPPORTED The capsule type is not supported.
+
+--*/
+{
+ UINTN ArrayNumber;
+ UEFI_CAPSULE_HEADER *CapsuleHeader;
+
+ if (CapsuleCount < 1) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if ((MaxiumCapsuleSize == NULL) ||(ResetType == NULL)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ CapsuleHeader = NULL;
+
+ //
+ //Compare GUIDs with EFI_CAPSULE_GUID, if capsule header contains CAPSULE_FLAGS_PERSIST_ACROSS_RESET
+ //and CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE flags,whatever the GUID is ,the service supports.
+ //
+ for (ArrayNumber = 0; ArrayNumber < CapsuleCount; ArrayNumber++) {
+ CapsuleHeader = CapsuleHeaderArray[ArrayNumber];
+ if ((CapsuleHeader->Flags & CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE) && !(CapsuleHeader->Flags & CAPSULE_FLAGS_PERSIST_ACROSS_RESET)) {
+ return EFI_INVALID_PARAMETER;
+ }
+ if (!CompareGuid (&CapsuleHeader->CapsuleGuid, &mEfiCapsuleHeaderGuid)) {
+ if (!(CapsuleHeader->Flags & CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE)) {
+ return EFI_UNSUPPORTED;
+ }
+ }
+ }
+
+ //
+ //Assume that capsules have the same flags on reseting or not.
+ //
+ CapsuleHeader = CapsuleHeaderArray[0];
+ if ((CapsuleHeader->Flags & CAPSULE_FLAGS_PERSIST_ACROSS_RESET) != 0) {
+ //
+ //Check if the platform supports update capsule across a system reset
+ //
+ if (!FeaturePcdGet(PcdSupportUpdateCapsuleRest)) {
+ return EFI_UNSUPPORTED;
+ }
+ *ResetType = EfiResetWarm;
+ *MaxiumCapsuleSize = FixedPcdGet32(PcdMaxSizePopulateCapsule);
+ } else {
+ *ResetType = EfiResetCold;
+ *MaxiumCapsuleSize = FixedPcdGet32(PcdMaxSizeNonPopulateCapsule);
+ }
+ return EFI_SUCCESS;
+}
+
diff --git a/EdkModulePkg/Universal/Capsule/RuntimeDxe/CapsuleService.h b/EdkModulePkg/Universal/Capsule/RuntimeDxe/CapsuleService.h new file mode 100644 index 0000000000..c5ff6c79c4 --- /dev/null +++ b/EdkModulePkg/Universal/Capsule/RuntimeDxe/CapsuleService.h @@ -0,0 +1,47 @@ +/*++
+
+Copyright (c) 2006, Intel Corporation
+All rights reserved. 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.
+
+Module Name:
+
+ CapsuleService.h
+
+Abstract:
+
+ Capsule Runtime Service
+
+--*/
+
+#ifndef _CAPSULE_RUNTIME_H_
+#define _CAPSULE_RUNTIME_H_
+
+#include <Common/CapsuleName.h>
+
+
+
+EFI_STATUS
+EFIAPI
+UpdateCapsule(
+ IN UEFI_CAPSULE_HEADER **CapsuleHeaderArray,
+ IN UINTN CapsuleCount,
+ IN EFI_PHYSICAL_ADDRESS ScatterGatherList OPTIONAL
+ );
+
+EFI_STATUS
+EFIAPI
+QueryCapsuleCapabilities(
+ IN UEFI_CAPSULE_HEADER **CapsuleHeaderArray,
+ IN UINTN CapsuleCount,
+ OUT UINT64 *MaxiumCapsuleSize,
+ OUT EFI_RESET_TYPE *ResetType
+ );
+
+#endif
+
diff --git a/EdkModulePkg/Universal/Capsule/RuntimeDxe/build.xml b/EdkModulePkg/Universal/Capsule/RuntimeDxe/build.xml new file mode 100644 index 0000000000..d376719eb3 --- /dev/null +++ b/EdkModulePkg/Universal/Capsule/RuntimeDxe/build.xml @@ -0,0 +1,47 @@ +<?xml version="1.0" encoding="UTF-8"?><!-- Copyright (c) 2006, Intel Corporation
+All rights reserved. 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.-->
+<project basedir="." default="CapsuleRuntime"><!--Apply external ANT tasks-->
+ <taskdef resource="GenBuild.tasks"/>
+ <taskdef resource="net/sf/antcontrib/antlib.xml"/>
+ <property environment="env"/>
+ <property name="WORKSPACE_DIR" value="${env.WORKSPACE}"/>
+ <import file="${WORKSPACE_DIR}/Tools/Conf/BuildMacro.xml"/><!--MODULE_RELATIVE PATH is relative to PACKAGE_DIR-->
+ <property name="MODULE_RELATIVE_PATH" value="Universal/Capsule/RuntimeDxe"/>
+ <property name="MODULE_DIR" value="${PACKAGE_DIR}/${MODULE_RELATIVE_PATH}"/>
+ <property name="COMMON_FILE" value="${WORKSPACE_DIR}/Tools/Conf/Common.xml"/>
+ <target name="CapsuleRuntime">
+ <GenBuild baseName="CapsuleRuntime" mbdFilename="${MODULE_DIR}/CapsuleRuntime.mbd" msaFilename="${MODULE_DIR}/CapsuleRuntime.msa"/>
+ </target>
+ <target depends="CapsuleRuntime_clean" name="clean"/>
+ <target depends="CapsuleRuntime_cleanall" name="cleanall"/>
+ <target name="CapsuleRuntime_clean">
+ <OutputDirSetup baseName="CapsuleRuntime" mbdFilename="${MODULE_DIR}/CapsuleRuntime.mbd" msaFilename="${MODULE_DIR}/CapsuleRuntime.msa"/>
+ <if>
+ <available file="${DEST_DIR_OUTPUT}/CapsuleRuntime_build.xml"/>
+ <then>
+ <ant antfile="${DEST_DIR_OUTPUT}/CapsuleRuntime_build.xml" target="clean"/>
+ </then>
+ </if>
+ <delete dir="${DEST_DIR_OUTPUT}" excludes="*.xml"/>
+ </target>
+ <target name="CapsuleRuntime_cleanall">
+ <OutputDirSetup baseName="CapsuleRuntime" mbdFilename="${MODULE_DIR}/CapsuleRuntime.mbd" msaFilename="${MODULE_DIR}/CapsuleRuntime.msa"/>
+ <if>
+ <available file="${DEST_DIR_OUTPUT}/CapsuleRuntime_build.xml"/>
+ <then>
+ <ant antfile="${DEST_DIR_OUTPUT}/CapsuleRuntime_build.xml" target="cleanall"/>
+ </then>
+ </if>
+ <delete dir="${DEST_DIR_OUTPUT}"/>
+ <delete dir="${DEST_DIR_DEBUG}"/>
+ <delete>
+ <fileset dir="${BIN_DIR}" includes="**CapsuleRuntime*"/>
+ </delete>
+ </target>
+</project>
\ No newline at end of file diff --git a/EdkModulePkg/Universal/EmuVariable/RuntimeDxe/EmuVariable.c b/EdkModulePkg/Universal/EmuVariable/RuntimeDxe/EmuVariable.c index beb404f42c..6614bb03e9 100644 --- a/EdkModulePkg/Universal/EmuVariable/RuntimeDxe/EmuVariable.c +++ b/EdkModulePkg/Universal/EmuVariable/RuntimeDxe/EmuVariable.c @@ -656,6 +656,125 @@ Returns: return EFI_SUCCESS;
}
+#if (EFI_SPECIFICATION_VERSION >= 0x00020000)
+EFI_STATUS
+EFIAPI
+QueryVariableInfo (
+ IN UINT32 Attributes,
+ OUT UINT64 *MaximumVariableStorageSize,
+ OUT UINT64 *RemainingVariableStorageSize,
+ OUT UINT64 *MaximumVariableSize,
+ IN VARIABLE_GLOBAL *Global,
+ IN UINT32 Instance
+ )
+/*++
+
+Routine Description:
+
+ This code returns information about the EFI variables.
+
+Arguments:
+
+ Attributes Attributes bitmask to specify the type of variables
+ on which to return information.
+ MaximumVariableStorageSize Pointer to the maximum size of the storage space available
+ for the EFI variables associated with the attributes specified.
+ RemainingVariableStorageSize Pointer to the remaining size of the storage space available
+ for the EFI variables associated with the attributes specified.
+ MaximumVariableSize Pointer to the maximum size of the individual EFI variables
+ associated with the attributes specified.
+ Global Pointer to VARIABLE_GLOBAL structure.
+ Instance Instance of the Firmware Volume.
+
+Returns:
+
+ EFI STATUS
+ EFI_INVALID_PARAMETER - An invalid combination of attribute bits was supplied.
+ EFI_SUCCESS - Query successfully.
+ EFI_UNSUPPORTED - The attribute is not supported on this platform.
+
+--*/
+{
+ VARIABLE_HEADER *Variable;
+ VARIABLE_HEADER *NextVariable;
+ UINT64 VariableSize;
+ VARIABLE_STORE_HEADER *VariableStoreHeader;
+
+ if(MaximumVariableStorageSize == NULL || RemainingVariableStorageSize == NULL || MaximumVariableSize == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if((Attributes & (EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS)) == 0) {
+ //
+ // Make sure the Attributes combination is supported by the platform.
+ //
+ return EFI_UNSUPPORTED;
+ } else if ((Attributes & (EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_BOOTSERVICE_ACCESS)) == EFI_VARIABLE_RUNTIME_ACCESS) {
+ //
+ // Make sure if runtime bit is set, boot service bit is set also.
+ //
+ return EFI_INVALID_PARAMETER;
+ } else if (EfiAtRuntime () && !(Attributes & EFI_VARIABLE_RUNTIME_ACCESS)) {
+ //
+ // Make sure RT Attribute is set if we are in Runtime phase.
+ //
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if((Attributes & EFI_VARIABLE_NON_VOLATILE) == 0) {
+ //
+ // Query is Volatile related.
+ //
+ VariableStoreHeader = (VARIABLE_STORE_HEADER *) ((UINTN) Global->VolatileVariableBase);
+ } else {
+ //
+ // Query is Non-Volatile related.
+ //
+ VariableStoreHeader = (VARIABLE_STORE_HEADER *) ((UINTN) Global->NonVolatileVariableBase);
+ }
+
+ //
+ // Now let's fill *MaximumVariableStorageSize *RemainingVariableStorageSize
+ // with the storage size (excluding the storage header size)
+ //
+ *MaximumVariableStorageSize = VariableStoreHeader->Size - sizeof (VARIABLE_STORE_HEADER);
+ *RemainingVariableStorageSize = VariableStoreHeader->Size - sizeof (VARIABLE_STORE_HEADER);
+
+ //
+ // Let *MaximumVariableSize be MAX_VARIABLE_SIZE
+ //
+ *MaximumVariableSize = MAX_VARIABLE_SIZE;
+
+ //
+ // Point to the starting address of the variables.
+ //
+ Variable = (VARIABLE_HEADER *) (VariableStoreHeader + 1);
+
+ //
+ // Now walk through the related variable store.
+ //
+ while (Variable < GetEndPointer (VariableStoreHeader)) {
+ if (Variable->StartId != VARIABLE_DATA) {
+ break;
+ }
+
+ NextVariable = (VARIABLE_HEADER *) (GetVariableDataPtr (Variable) + Variable->DataSize + GET_PAD_SIZE (Variable->DataSize));
+ VariableSize = (UINT64) (UINTN) NextVariable - (UINT64) (UINTN) Variable;
+
+ if (Variable->State == VAR_ADDED) {
+ *RemainingVariableStorageSize -= VariableSize;
+ }
+
+ //
+ // Go to the next one.
+ //
+ Variable = NextVariable;
+ }
+
+ return EFI_SUCCESS;
+}
+#endif
+
EFI_STATUS
EFIAPI
InitializeVariableStore (
diff --git a/EdkModulePkg/Universal/EmuVariable/RuntimeDxe/InitVariable.c b/EdkModulePkg/Universal/EmuVariable/RuntimeDxe/InitVariable.c index 0ad86642ea..477869cf00 100644 --- a/EdkModulePkg/Universal/EmuVariable/RuntimeDxe/InitVariable.c +++ b/EdkModulePkg/Universal/EmuVariable/RuntimeDxe/InitVariable.c @@ -114,6 +114,36 @@ Returns: );
}
+#if (EFI_SPECIFICATION_VERSION >= 0x00020000)
+EFI_STATUS
+EFIAPI
+RuntimeServiceQueryVariableInfo (
+ IN UINT32 Attributes,
+ OUT UINT64 *MaximumVariableStorageSize,
+ OUT UINT64 *RemainingVariableStorageSize,
+ OUT UINT64 *MaximumVariableSize
+ )
+/*++
+
+Routine Description:
+
+Arguments:
+
+Returns:
+
+--*/
+{
+ return QueryVariableInfo (
+ Attributes,
+ MaximumVariableStorageSize,
+ RemainingVariableStorageSize,
+ MaximumVariableSize,
+ &mVariableModuleGlobal->VariableBase[Physical],
+ mVariableModuleGlobal->FvbInstance
+ );
+}
+#endif
+
VOID
EFIAPI
VariableClassAddressChangeEvent (
@@ -166,6 +196,9 @@ Returns: SystemTable->RuntimeServices->GetVariable = RuntimeServiceGetVariable;
SystemTable->RuntimeServices->GetNextVariableName = RuntimeServiceGetNextVariableName;
SystemTable->RuntimeServices->SetVariable = RuntimeServiceSetVariable;
+#if (EFI_SPECIFICATION_VERSION >= 0x00020000)
+ SystemTable->RuntimeServices->QueryVariableInfo = RuntimeServiceQueryVariableInfo;
+#endif
//
// Now install the Variable Runtime Architectural Protocol on a new handle
diff --git a/EdkModulePkg/Universal/EmuVariable/RuntimeDxe/Ipf/InitVariable.c b/EdkModulePkg/Universal/EmuVariable/RuntimeDxe/Ipf/InitVariable.c index 061e6db73d..ee2a4852a0 100644 --- a/EdkModulePkg/Universal/EmuVariable/RuntimeDxe/Ipf/InitVariable.c +++ b/EdkModulePkg/Universal/EmuVariable/RuntimeDxe/Ipf/InitVariable.c @@ -89,6 +89,19 @@ Returns: );
return ReturnVal;
+#if (EFI_SPECIFICATION_VERSION >= 0x00020000)
+ case EsalQueryVariableInfo:
+ ReturnVal.Status = QueryVariableInfo (
+ (UINT32) Arg2,
+ (UINT64 *) Arg3,
+ (UINT64 *) Arg4,
+ (UINT64 *) Arg5,
+ &Global->VariableBase[VirtualMode],
+ Global->FvbInstance
+ );
+ return ReturnVal;
+#endif
+
default:
ReturnVal.Status = EFI_SAL_INVALID_ARGUMENT;
return ReturnVal;
@@ -160,6 +173,10 @@ Returns: EsalGetNextVariableName,
EsalVariableCommonEntry,
EsalSetVariable,
+#if (EFI_SPECIFICATION_VERSION >= 0x00020000)
+ EsalVariableCommonEntry,
+ EsalQueryVariableInfo,
+#endif
NULL
);
diff --git a/EdkModulePkg/Universal/EmuVariable/RuntimeDxe/Variable.h b/EdkModulePkg/Universal/EmuVariable/RuntimeDxe/Variable.h index d1fd5e271e..55423a25b9 100644 --- a/EdkModulePkg/Universal/EmuVariable/RuntimeDxe/Variable.h +++ b/EdkModulePkg/Universal/EmuVariable/RuntimeDxe/Variable.h @@ -140,4 +140,18 @@ SetVariable ( )
;
+#if (EFI_SPECIFICATION_VERSION >= 0x00020000)
+EFI_STATUS
+EFIAPI
+QueryVariableInfo (
+ IN UINT32 Attributes,
+ OUT UINT64 *MaximumVariableStorageSize,
+ OUT UINT64 *RemainingVariableStorageSize,
+ OUT UINT64 *MaximumVariableSize,
+ IN VARIABLE_GLOBAL *Global,
+ IN UINT32 Instance
+ )
+;
+#endif
+
#endif
diff --git a/EdkModulePkg/Universal/Runtime/RuntimeDxe/Runtime.c b/EdkModulePkg/Universal/Runtime/RuntimeDxe/Runtime.c index 5a21d4961e..d2428ea1b6 100644 --- a/EdkModulePkg/Universal/Runtime/RuntimeDxe/Runtime.c +++ b/EdkModulePkg/Universal/Runtime/RuntimeDxe/Runtime.c @@ -92,6 +92,9 @@ UINTN mVirtualMapMaxIndex; EFI_LOADED_IMAGE_PROTOCOL *mMyLoadedImage;
+#if (EFI_SPECIFICATION_VERSION >= 0x00020000)
+STATIC EFI_GUID mEfiCapsuleHeaderGuid = EFI_CAPSULE_GUID;
+#endif
//
// Worker Functions
//
@@ -356,6 +359,9 @@ RuntimeDriverSetVirtualAddressMap ( UINTN Index1;
EFI_DRIVER_OS_HANDOFF_HEADER *DriverOsHandoffHeader;
EFI_DRIVER_OS_HANDOFF *DriverOsHandoff;
+#if (EFI_SPECIFICATION_VERSION >= 0x00020000)
+ EFI_CAPSULE_TABLE *CapsuleTable;
+#endif
//
// Can only switch to virtual addresses once the memory map is locked down,
@@ -464,6 +470,11 @@ RuntimeDriverSetVirtualAddressMap ( RuntimeDriverConvertInternalPointer ((VOID **) &gRT->GetVariable);
RuntimeDriverConvertInternalPointer ((VOID **) &gRT->SetVariable);
RuntimeDriverConvertInternalPointer ((VOID **) &gRT->GetNextVariableName);
+#if (EFI_SPECIFICATION_VERSION >= 0x00020000)
+ RuntimeDriverConvertInternalPointer ((VOID **) &gRT->QueryVariableInfo);
+ RuntimeDriverConvertInternalPointer ((VOID **) &gRT->UpdateCapsule);
+ RuntimeDriverConvertInternalPointer ((VOID **) &gRT->QueryCapsuleCapabilities);
+#endif
RuntimeDriverCalculateEfiHdrCrc (&gRT->Hdr);
//
@@ -486,6 +497,15 @@ RuntimeDriverSetVirtualAddressMap ( RuntimeDriverConvertPointer (EFI_OPTIONAL_POINTER, (VOID **) &(gST->ConfigurationTable[Index].VendorTable));
}
+#if (EFI_SPECIFICATION_VERSION >= 0x00020000)
+ if (CompareGuid (&mEfiCapsuleHeaderGuid, &(gST->ConfigurationTable[Index].VendorGuid))) {
+ CapsuleTable = gST->ConfigurationTable[Index].VendorTable;
+ for (Index1 = 0; Index1 < CapsuleTable->CapsuleArrayNumber; Index1++) {
+ RuntimeDriverConvertPointer (EFI_OPTIONAL_POINTER, (VOID **) &CapsuleTable->CapsulePtr[Index1]);
+ }
+ RuntimeDriverConvertPointer (EFI_OPTIONAL_POINTER, (VOID **) &(gST->ConfigurationTable[Index].VendorTable));
+ }
+#endif
}
//
// Convert the runtime fields of the EFI System Table and recompute the CRC-32
diff --git a/EdkModulePkg/Universal/Variable/RuntimeDxe/InitVariable.c b/EdkModulePkg/Universal/Variable/RuntimeDxe/InitVariable.c index 0ad86642ea..477869cf00 100644 --- a/EdkModulePkg/Universal/Variable/RuntimeDxe/InitVariable.c +++ b/EdkModulePkg/Universal/Variable/RuntimeDxe/InitVariable.c @@ -114,6 +114,36 @@ Returns: );
}
+#if (EFI_SPECIFICATION_VERSION >= 0x00020000)
+EFI_STATUS
+EFIAPI
+RuntimeServiceQueryVariableInfo (
+ IN UINT32 Attributes,
+ OUT UINT64 *MaximumVariableStorageSize,
+ OUT UINT64 *RemainingVariableStorageSize,
+ OUT UINT64 *MaximumVariableSize
+ )
+/*++
+
+Routine Description:
+
+Arguments:
+
+Returns:
+
+--*/
+{
+ return QueryVariableInfo (
+ Attributes,
+ MaximumVariableStorageSize,
+ RemainingVariableStorageSize,
+ MaximumVariableSize,
+ &mVariableModuleGlobal->VariableBase[Physical],
+ mVariableModuleGlobal->FvbInstance
+ );
+}
+#endif
+
VOID
EFIAPI
VariableClassAddressChangeEvent (
@@ -166,6 +196,9 @@ Returns: SystemTable->RuntimeServices->GetVariable = RuntimeServiceGetVariable;
SystemTable->RuntimeServices->GetNextVariableName = RuntimeServiceGetNextVariableName;
SystemTable->RuntimeServices->SetVariable = RuntimeServiceSetVariable;
+#if (EFI_SPECIFICATION_VERSION >= 0x00020000)
+ SystemTable->RuntimeServices->QueryVariableInfo = RuntimeServiceQueryVariableInfo;
+#endif
//
// Now install the Variable Runtime Architectural Protocol on a new handle
diff --git a/EdkModulePkg/Universal/Variable/RuntimeDxe/Ipf/InitVariable.c b/EdkModulePkg/Universal/Variable/RuntimeDxe/Ipf/InitVariable.c index 061e6db73d..ee2a4852a0 100644 --- a/EdkModulePkg/Universal/Variable/RuntimeDxe/Ipf/InitVariable.c +++ b/EdkModulePkg/Universal/Variable/RuntimeDxe/Ipf/InitVariable.c @@ -89,6 +89,19 @@ Returns: );
return ReturnVal;
+#if (EFI_SPECIFICATION_VERSION >= 0x00020000)
+ case EsalQueryVariableInfo:
+ ReturnVal.Status = QueryVariableInfo (
+ (UINT32) Arg2,
+ (UINT64 *) Arg3,
+ (UINT64 *) Arg4,
+ (UINT64 *) Arg5,
+ &Global->VariableBase[VirtualMode],
+ Global->FvbInstance
+ );
+ return ReturnVal;
+#endif
+
default:
ReturnVal.Status = EFI_SAL_INVALID_ARGUMENT;
return ReturnVal;
@@ -160,6 +173,10 @@ Returns: EsalGetNextVariableName,
EsalVariableCommonEntry,
EsalSetVariable,
+#if (EFI_SPECIFICATION_VERSION >= 0x00020000)
+ EsalVariableCommonEntry,
+ EsalQueryVariableInfo,
+#endif
NULL
);
diff --git a/EdkModulePkg/Universal/Variable/RuntimeDxe/Variable.c b/EdkModulePkg/Universal/Variable/RuntimeDxe/Variable.c index 0d91520d97..cfd3183f09 100644 --- a/EdkModulePkg/Universal/Variable/RuntimeDxe/Variable.c +++ b/EdkModulePkg/Universal/Variable/RuntimeDxe/Variable.c @@ -1090,6 +1090,135 @@ Returns: return EFI_SUCCESS;
}
+#if (EFI_SPECIFICATION_VERSION >= 0x00020000)
+EFI_STATUS
+EFIAPI
+QueryVariableInfo (
+ IN UINT32 Attributes,
+ OUT UINT64 *MaximumVariableStorageSize,
+ OUT UINT64 *RemainingVariableStorageSize,
+ OUT UINT64 *MaximumVariableSize,
+ IN VARIABLE_GLOBAL *Global,
+ IN UINT32 Instance
+ )
+/*++
+
+Routine Description:
+
+ This code returns information about the EFI variables.
+
+Arguments:
+
+ Attributes Attributes bitmask to specify the type of variables
+ on which to return information.
+ MaximumVariableStorageSize Pointer to the maximum size of the storage space available
+ for the EFI variables associated with the attributes specified.
+ RemainingVariableStorageSize Pointer to the remaining size of the storage space available
+ for the EFI variables associated with the attributes specified.
+ MaximumVariableSize Pointer to the maximum size of the individual EFI variables
+ associated with the attributes specified.
+ Global Pointer to VARIABLE_GLOBAL structure.
+ Instance Instance of the Firmware Volume.
+
+Returns:
+
+ EFI STATUS
+ EFI_INVALID_PARAMETER - An invalid combination of attribute bits was supplied.
+ EFI_SUCCESS - Query successfully.
+ EFI_UNSUPPORTED - The attribute is not supported on this platform.
+
+--*/
+{
+ VARIABLE_HEADER *Variable;
+ VARIABLE_HEADER *NextVariable;
+ UINT64 VariableSize;
+ VARIABLE_STORE_HEADER *VariableStoreHeader;
+
+ if(MaximumVariableStorageSize == NULL || RemainingVariableStorageSize == NULL || MaximumVariableSize == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if((Attributes & (EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS)) == 0) {
+ //
+ // Make sure the Attributes combination is supported by the platform.
+ //
+ return EFI_UNSUPPORTED;
+ } else if ((Attributes & (EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_BOOTSERVICE_ACCESS)) == EFI_VARIABLE_RUNTIME_ACCESS) {
+ //
+ // Make sure if runtime bit is set, boot service bit is set also.
+ //
+ return EFI_INVALID_PARAMETER;
+ } else if (EfiAtRuntime () && !(Attributes & EFI_VARIABLE_RUNTIME_ACCESS)) {
+ //
+ // Make sure RT Attribute is set if we are in Runtime phase.
+ //
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if((Attributes & EFI_VARIABLE_NON_VOLATILE) == 0) {
+ //
+ // Query is Volatile related.
+ //
+ VariableStoreHeader = (VARIABLE_STORE_HEADER *) ((UINTN) Global->VolatileVariableBase);
+ } else {
+ //
+ // Query is Non-Volatile related.
+ //
+ VariableStoreHeader = (VARIABLE_STORE_HEADER *) ((UINTN) Global->NonVolatileVariableBase);
+ }
+
+ //
+ // Now let's fill *MaximumVariableStorageSize *RemainingVariableStorageSize
+ // with the storage size (excluding the storage header size).
+ //
+ *MaximumVariableStorageSize = VariableStoreHeader->Size - sizeof (VARIABLE_STORE_HEADER);
+ *RemainingVariableStorageSize = VariableStoreHeader->Size - sizeof (VARIABLE_STORE_HEADER);
+
+ //
+ // Let *MaximumVariableSize be MAX_VARIABLE_SIZE.
+ //
+ *MaximumVariableSize = MAX_VARIABLE_SIZE;
+
+ //
+ // Point to the starting address of the variables.
+ //
+ Variable = (VARIABLE_HEADER *) (VariableStoreHeader + 1);
+
+ //
+ // Now walk through the related variable store.
+ //
+ while (IsValidVariableHeader (Variable) && (Variable < GetEndPointer (VariableStoreHeader))) {
+ NextVariable = GetNextVariablePtr (Variable);
+ VariableSize = (UINT64) (UINTN) NextVariable - (UINT64) (UINTN) Variable;
+
+ if (EfiAtRuntime ()) {
+ //
+ // we don't take the state of the variables in mind
+ // when calculating RemainingVariableStorageSize,
+ // since the space occupied by variables not marked with
+ // VAR_ADDED is not allowed to be reclaimed in Runtime.
+ //
+ *RemainingVariableStorageSize -= VariableSize;
+ } else {
+ //
+ // Only care about Variables with State VAR_ADDED,because
+ // the space not marked as VAR_ADDED is reclaimable now.
+ //
+ if (Variable->State == VAR_ADDED) {
+ *RemainingVariableStorageSize -= VariableSize;
+ }
+ }
+
+ //
+ // Go to the next one
+ //
+ Variable = NextVariable;
+ }
+
+ return EFI_SUCCESS;
+}
+#endif
+
EFI_STATUS
EFIAPI
VariableCommonInitialize (
diff --git a/EdkModulePkg/Universal/Variable/RuntimeDxe/Variable.h b/EdkModulePkg/Universal/Variable/RuntimeDxe/Variable.h index d1fd5e271e..55423a25b9 100644 --- a/EdkModulePkg/Universal/Variable/RuntimeDxe/Variable.h +++ b/EdkModulePkg/Universal/Variable/RuntimeDxe/Variable.h @@ -140,4 +140,18 @@ SetVariable ( )
;
+#if (EFI_SPECIFICATION_VERSION >= 0x00020000)
+EFI_STATUS
+EFIAPI
+QueryVariableInfo (
+ IN UINT32 Attributes,
+ OUT UINT64 *MaximumVariableStorageSize,
+ OUT UINT64 *RemainingVariableStorageSize,
+ OUT UINT64 *MaximumVariableSize,
+ IN VARIABLE_GLOBAL *Global,
+ IN UINT32 Instance
+ )
+;
+#endif
+
#endif
|