On Wed, Sep 15, 2021 at 22:55:24 +0700, Nhi Pham wrote:
> This supports:
> * Enable/Disable APEI Support
> * Enable/Disable CPPC Support
> * Enable/Disable LPI support
> * Enable/Disable Max Performance Mode
>
> Cc: Thang Nguyen <th...@os.amperecomputing.com>
> Cc: Chuong Tran <chu...@os.amperecomputing.com>
> Cc: Phong Vo <ph...@os.amperecomputing.com>
> Cc: Leif Lindholm <l...@nuviainc.com>
> Cc: Michael D Kinney <michael.d.kin...@intel.com>
> Cc: Ard Biesheuvel <ardb+tianoc...@kernel.org>
> Cc: Nate DeSimone <nathaniel.l.desim...@intel.com>
>
> Signed-off-by: Nhi Pham <n...@os.amperecomputing.com>
Reviewed-by: Leif Lindholm <l...@nuviainc.com>
> ---
> Silicon/Ampere/AmpereAltraPkg/AmpereAltraPkg.dec |
> 3 +
> Platform/Ampere/JadePkg/Jade.dsc |
> 1 +
> Platform/Ampere/JadePkg/Jade.fdf |
> 1 +
> Platform/Ampere/JadePkg/Drivers/AcpiPlatformDxe/AcpiPlatformDxe.inf |
> 1 +
> Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/AcpiConfigDxe.inf |
> 58 ++
> Platform/Ampere/JadePkg/Drivers/AcpiPlatformDxe/AcpiApei.h |
> 7 +-
> Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/AcpiConfigDxe.h |
> 62 ++
> Silicon/Ampere/AmpereAltraPkg/Include/AcpiConfigNVDataStruct.h |
> 28 +
> Silicon/Ampere/AmpereAltraPkg/Include/Guid/AcpiConfigFormSet.h |
> 19 +
> Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/AcpiConfigVfr.vfr |
> 69 ++
> Platform/Ampere/JadePkg/Drivers/AcpiPlatformDxe/AcpiApei.c |
> 25 +-
> Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/AcpiConfigDxe.c |
> 729 ++++++++++++++++++++
> Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/AcpiConfigStrings.uni |
> 27 +
> 13 files changed, 1026 insertions(+), 4 deletions(-)
>
> diff --git a/Silicon/Ampere/AmpereAltraPkg/AmpereAltraPkg.dec
> b/Silicon/Ampere/AmpereAltraPkg/AmpereAltraPkg.dec
> index 6ea247c75e87..196611d67280 100644
> --- a/Silicon/Ampere/AmpereAltraPkg/AmpereAltraPkg.dec
> +++ b/Silicon/Ampere/AmpereAltraPkg/AmpereAltraPkg.dec
> @@ -53,6 +53,9 @@ [Guids]
> # GUID for the CPU HII configuration form
> gCpuConfigFormSetGuid = { 0x43FAA144, 0xA2DF, 0x4050, { 0xA7, 0xFD,
> 0xEE, 0x17, 0xC9, 0xB8, 0x88, 0x8E } }
>
> + # GUID for the ACPI HII configuration form
> + gAcpiConfigFormSetGuid = { 0x0ceb6764, 0xd415, 0x4b01, { 0xa8, 0x43, 0xd1,
> 0x01, 0xbc, 0xb0, 0xd8, 0x29 } }
> +
> ## NVParam MM GUID
> gNVParamMmGuid = { 0xE4AC5024, 0x29BE, 0x4ADC, { 0x93, 0x36,
> 0x87, 0xB5, 0xA0, 0x76, 0x23, 0x2D } }
>
> diff --git a/Platform/Ampere/JadePkg/Jade.dsc
> b/Platform/Ampere/JadePkg/Jade.dsc
> index 8ca3a729728f..daac52e84ea2 100644
> --- a/Platform/Ampere/JadePkg/Jade.dsc
> +++ b/Platform/Ampere/JadePkg/Jade.dsc
> @@ -199,3 +199,4 @@ [Components.common]
> Silicon/Ampere/AmpereAltraPkg/Drivers/PlatformInfoDxe/PlatformInfoDxe.inf
> Silicon/Ampere/AmpereAltraPkg/Drivers/MemInfoDxe/MemInfoDxe.inf
> Silicon/Ampere/AmpereAltraPkg/Drivers/CpuConfigDxe/CpuConfigDxe.inf
> + Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/AcpiConfigDxe.inf
> diff --git a/Platform/Ampere/JadePkg/Jade.fdf
> b/Platform/Ampere/JadePkg/Jade.fdf
> index d9552886fbcf..1564e45c30cd 100644
> --- a/Platform/Ampere/JadePkg/Jade.fdf
> +++ b/Platform/Ampere/JadePkg/Jade.fdf
> @@ -357,5 +357,6 @@ [FV.FvMain]
> INF
> Silicon/Ampere/AmpereAltraPkg/Drivers/PlatformInfoDxe/PlatformInfoDxe.inf
> INF Silicon/Ampere/AmpereAltraPkg/Drivers/MemInfoDxe/MemInfoDxe.inf
> INF Silicon/Ampere/AmpereAltraPkg/Drivers/CpuConfigDxe/CpuConfigDxe.inf
> + INF Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/AcpiConfigDxe.inf
>
> !include Platform/Ampere/AmperePlatformPkg/FvRules.fdf.inc
> diff --git
> a/Platform/Ampere/JadePkg/Drivers/AcpiPlatformDxe/AcpiPlatformDxe.inf
> b/Platform/Ampere/JadePkg/Drivers/AcpiPlatformDxe/AcpiPlatformDxe.inf
> index 2b2a3728a406..a2b3886a0236 100644
> --- a/Platform/Ampere/JadePkg/Drivers/AcpiPlatformDxe/AcpiPlatformDxe.inf
> +++ b/Platform/Ampere/JadePkg/Drivers/AcpiPlatformDxe/AcpiPlatformDxe.inf
> @@ -66,6 +66,7 @@ [Guids]
> gArmMpCoreInfoGuid
> gEfiAcpiTableGuid
> gEfiEventReadyToBootGuid
> + gAcpiConfigFormSetGuid
> gPlatformHobGuid
>
> [Protocols]
> diff --git
> a/Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/AcpiConfigDxe.inf
> b/Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/AcpiConfigDxe.inf
> new file mode 100644
> index 000000000000..075183aa9c58
> --- /dev/null
> +++ b/Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/AcpiConfigDxe.inf
> @@ -0,0 +1,58 @@
> +## @file
> +#
> +# Copyright (c) 2020 - 2021, Ampere Computing LLC. All rights reserved.<BR>
> +#
> +# SPDX-License-Identifier: BSD-2-Clause-Patent
> +#
> +##
> +
> +[Defines]
> + INF_VERSION = 0x0001001B
> + BASE_NAME = AcpiConfigDxe
> + FILE_GUID = F36685AE-2623-4231-ABC0-2C151451E6B7
> + MODULE_TYPE = DXE_DRIVER
> + VERSION_STRING = 1.0
> + ENTRY_POINT = AcpiConfigEntryPoint
> +
> +[Sources.common]
> + AcpiConfigDxe.c
> + AcpiConfigDxe.h
> + AcpiConfigVfr.vfr
> + AcpiConfigStrings.uni
> +
> +[Packages]
> + EmbeddedPkg/EmbeddedPkg.dec
> + MdeModulePkg/MdeModulePkg.dec
> + MdePkg/MdePkg.dec
> + Silicon/Ampere/AmpereAltraPkg/AmpereAltraPkg.dec
> + Silicon/Ampere/AmpereSiliconPkg/AmpereSiliconPkg.dec
> +
> +[LibraryClasses]
> + AcpiLib
> + BaseLib
> + BaseMemoryLib
> + DebugLib
> + DevicePathLib
> + HiiLib
> + HobLib
> + MemoryAllocationLib
> + SystemFirmwareInterfaceLib
> + UefiBootServicesTableLib
> + UefiDriverEntryPoint
> + UefiLib
> +
> +[Guids]
> + gPlatformManagerFormsetGuid
> + gAcpiConfigFormSetGuid
> + gEfiEventReadyToBootGuid
> + gPlatformHobGuid
> +
> +[Protocols]
> + gEfiAcpiSdtProtocolGuid ## COMSUMES
> + gEfiDevicePathProtocolGuid ## CONSUMES
> + gEfiHiiConfigRoutingProtocolGuid ## CONSUMES
> + gEfiHiiConfigAccessProtocolGuid ## PRODUCES
> +
> +[Depex]
> + gEfiVariableArchProtocolGuid AND
> + gEfiVariableWriteArchProtocolGuid
> diff --git a/Platform/Ampere/JadePkg/Drivers/AcpiPlatformDxe/AcpiApei.h
> b/Platform/Ampere/JadePkg/Drivers/AcpiPlatformDxe/AcpiApei.h
> index 2e763422cbc6..035912a1a331 100644
> --- a/Platform/Ampere/JadePkg/Drivers/AcpiPlatformDxe/AcpiApei.h
> +++ b/Platform/Ampere/JadePkg/Drivers/AcpiPlatformDxe/AcpiApei.h
> @@ -9,7 +9,9 @@
> #ifndef ACPI_APEI_H_
> #define ACPI_APEI_H_
>
> +#include <AcpiConfigNVDataStruct.h>
> #include <Base.h>
> +#include <Guid/AcpiConfigFormSet.h>
> #include <IndustryStandard/Acpi63.h>
> #include <Library/AcpiLib.h>
> #include <Library/AmpereCpuLib.h>
> @@ -34,9 +36,10 @@
> #define PLAT_CRASH_ITERATOR_SIZE 0x398
> #define SMPRO_CRASH_SIZE 0x800
> #define PMPRO_CRASH_SIZE 0x800
> +#define RASIP_CRASH_SIZE 0x1000
> #define HEST_NUM_ENTRIES_PER_SOC 3
>
> -#define CURRENT_BERT_VERSION 0x10
> +#define CURRENT_BERT_VERSION 0x11
> #define BERT_FLASH_OFFSET 0x91B30000ULL
> #define BERT_DDR_OFFSET 0x88230000ULL
> #define BERT_DDR_LENGTH 0x50000
> @@ -53,8 +56,10 @@ typedef struct {
> UINT8 BertRev;
> UINT8 S0PmproRegisters[PMPRO_CRASH_SIZE];
> UINT8 S0SmproRegisters[SMPRO_CRASH_SIZE];
> + UINT8 S0RasIpRegisters[RASIP_CRASH_SIZE];
> UINT8 S1PmproRegisters[PMPRO_CRASH_SIZE];
> UINT8 S1SmproRegisters[SMPRO_CRASH_SIZE];
> + UINT8 S1RasIpRegisters[RASIP_CRASH_SIZE];
> UINT8 AtfDump[PLATFORM_CPU_MAX_NUM_CORES *
> PLAT_CRASH_ITERATOR_SIZE];
> } APEI_CRASH_DUMP_DATA;
>
> diff --git
> a/Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/AcpiConfigDxe.h
> b/Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/AcpiConfigDxe.h
> new file mode 100644
> index 000000000000..8a2cc2f5e679
> --- /dev/null
> +++ b/Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/AcpiConfigDxe.h
> @@ -0,0 +1,62 @@
> +/** @file
> +
> + Copyright (c) 2020 - 2021, Ampere Computing LLC. All rights reserved.<BR>
> +
> + SPDX-License-Identifier: BSD-2-Clause-Patent
> +
> +**/
> +
> +#ifndef ACPI_CONFIG_DXE_H_
> +#define ACPI_CONFIG_DXE_H_
> +
> +//
> +// This is the generated IFR binary data for each formset defined in VFR.
> +//
> +extern UINT8 AcpiConfigVfrBin[];
> +
> +//
> +// This is the generated String package data for all .UNI files.
> +//
> +extern UINT8 AcpiConfigDxeStrings[];
> +
> +//
> +// Signature: Ampere Computing ACPI Configuration
> +//
> +#define ACPI_CONFIG_PRIVATE_SIGNATURE SIGNATURE_32 ('A', 'C', 'A', 'C')
> +
> +typedef struct {
> + UINTN Signature;
> +
> + EFI_HANDLE DriverHandle;
> + EFI_HII_HANDLE HiiHandle;
> + ACPI_CONFIG_VARSTORE_DATA Configuration;
> + PLATFORM_INFO_HOB *PlatformHob;
> + EFI_ACPI_SDT_PROTOCOL *AcpiSdtProtocol;
> + EFI_ACPI_HANDLE AcpiTableHandle;
> +
> + //
> + // Consumed protocol
> + //
> + EFI_HII_CONFIG_ROUTING_PROTOCOL *HiiConfigRouting;
> +
> + //
> + // Produced protocol
> + //
> + EFI_HII_CONFIG_ACCESS_PROTOCOL ConfigAccess;
> +} ACPI_CONFIG_PRIVATE_DATA;
> +
> +#define ACPI_CONFIG_PRIVATE_FROM_THIS(a) CR (a, ACPI_CONFIG_PRIVATE_DATA,
> ConfigAccess, ACPI_CONFIG_PRIVATE_SIGNATURE)
> +
> +#pragma pack(1)
> +
> +///
> +/// HII specific Vendor Device Path definition.
> +///
> +typedef struct {
> + VENDOR_DEVICE_PATH VendorDevicePath;
> + EFI_DEVICE_PATH_PROTOCOL End;
> +} HII_VENDOR_DEVICE_PATH;
> +
> +#pragma pack()
> +
> +#endif
> diff --git a/Silicon/Ampere/AmpereAltraPkg/Include/AcpiConfigNVDataStruct.h
> b/Silicon/Ampere/AmpereAltraPkg/Include/AcpiConfigNVDataStruct.h
> new file mode 100644
> index 000000000000..a56bfa9aa694
> --- /dev/null
> +++ b/Silicon/Ampere/AmpereAltraPkg/Include/AcpiConfigNVDataStruct.h
> @@ -0,0 +1,28 @@
> +/** @file
> +
> + Copyright (c) 2020 - 2021, Ampere Computing LLC. All rights reserved.<BR>
> +
> + SPDX-License-Identifier: BSD-2-Clause-Patent
> +
> +**/
> +
> +#ifndef ACPI_CONFIG_NV_DATA_STRUC_H_
> +#define ACPI_CONFIG_NV_DATA_STRUC_H_
> +
> +#pragma pack(1)
> +
> +//
> +// ACPI Configuration NV data structure definition
> +//
> +typedef struct {
> + UINT32 EnableApeiSupport;
> + UINT32 AcpiCppcEnable;
> + UINT32 AcpiLpiEnable;
> + UINT32 AcpiTurboSupport;
> + UINT32 AcpiTurboMode;
> + UINT32 Reserved[4];
> +} ACPI_CONFIG_VARSTORE_DATA;
> +
> +#pragma pack()
> +
> +#endif /* ACPI_CONFIG_NV_DATA_STRUC_H_ */
> diff --git a/Silicon/Ampere/AmpereAltraPkg/Include/Guid/AcpiConfigFormSet.h
> b/Silicon/Ampere/AmpereAltraPkg/Include/Guid/AcpiConfigFormSet.h
> new file mode 100644
> index 000000000000..1779a4543769
> --- /dev/null
> +++ b/Silicon/Ampere/AmpereAltraPkg/Include/Guid/AcpiConfigFormSet.h
> @@ -0,0 +1,19 @@
> +/** @file
> +
> + Copyright (c) 2020 - 2021, Ampere Computing LLC. All rights reserved.<BR>
> +
> + SPDX-License-Identifier: BSD-2-Clause-Patent
> +
> +**/
> +
> +#ifndef ACPI_CONFIG_FORMSET_GUID_H_
> +#define ACPI_CONFIG_FORMSET_GUID_H_
> +
> +#define ACPI_CONFIGURATION_FORMSET_GUID \
> + { \
> + 0x0ceb6764, 0xd415, 0x4b01, { 0xa8, 0x43, 0xd1, 0x01, 0xbc, 0xb0, 0xd8,
> 0x29 } \
> + }
> +
> +extern EFI_GUID gAcpiConfigFormSetGuid;
> +
> +#endif /* ACPI_CONFIG_FORMSET_GUID_H_ */
> diff --git
> a/Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/AcpiConfigVfr.vfr
> b/Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/AcpiConfigVfr.vfr
> new file mode 100644
> index 000000000000..18b44f90ddd9
> --- /dev/null
> +++ b/Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/AcpiConfigVfr.vfr
> @@ -0,0 +1,69 @@
> +/** @file
> +
> + Copyright (c) 2020 - 2021, Ampere Computing LLC. All rights reserved.<BR>
> +
> + SPDX-License-Identifier: BSD-2-Clause-Patent
> +
> +**/
> +
> +
> +#include <Guid/AcpiConfigFormSet.h>
> +#include <AcpiConfigNVDataStruct.h>
> +
> +#define ACPI_CONFIG_FORM_ID 1
> +
> +formset
> + guid = ACPI_CONFIGURATION_FORMSET_GUID,
> + title = STRING_TOKEN(STR_ACPI_FORM),
> + help = STRING_TOKEN(STR_ACPI_FORM_HELP),
> + classguid = gPlatformManagerFormsetGuid,
> +
> + varstore ACPI_CONFIG_VARSTORE_DATA,
> + name = AcpiConfigNVData,
> + guid = ACPI_CONFIGURATION_FORMSET_GUID;
> +
> + form
> + formid = ACPI_CONFIG_FORM_ID,
> + title = STRING_TOKEN(STR_ACPI_FORM);
> + subtitle text = STRING_TOKEN(STR_ACPI_FORM_HELP);
> +
> + oneof
> + varid = AcpiConfigNVData.EnableApeiSupport,
> + prompt = STRING_TOKEN(STR_ACPI_APEI_SUPPORT_PROMPT),
> + help = STRING_TOKEN(STR_ACPI_APEI_SUPPORT_HELP),
> + option text = STRING_TOKEN(STR_ACPI_COMMON_DISABLE), value = 0, flags
> = 0;
> + option text = STRING_TOKEN(STR_ACPI_COMMON_ENABLE), value = 1, flags =
> DEFAULT;
> + endoneof;
> +
> + oneof
> + varid = AcpiConfigNVData.AcpiCppcEnable,
> + prompt = STRING_TOKEN(STR_ACPI_CPPC_PROMPT),
> + help = STRING_TOKEN(STR_ACPI_CPPC_HELP),
> + option text = STRING_TOKEN(STR_ACPI_COMMON_DISABLE), value = 0, flags
> = 0;
> + option text = STRING_TOKEN(STR_ACPI_COMMON_ENABLE), value = 1, flags =
> DEFAULT;
> + endoneof;
> +
> + oneof
> + varid = AcpiConfigNVData.AcpiLpiEnable,
> + prompt = STRING_TOKEN(STR_ACPI_LPI_PROMPT),
> + help = STRING_TOKEN(STR_ACPI_LPI_HELP),
> + option text = STRING_TOKEN(STR_ACPI_COMMON_DISABLE), value = 0, flags
> = 0;
> + option text = STRING_TOKEN(STR_ACPI_COMMON_ENABLE), value = 1, flags =
> DEFAULT;
> + endoneof;
> +
> + grayoutif ideqval AcpiConfigNVData.AcpiTurboSupport == 0;
> + oneof
> + varid = AcpiConfigNVData.AcpiTurboMode,
> + prompt = STRING_TOKEN(STR_ACPI_TURBO_PROMPT),
> + help = STRING_TOKEN(STR_ACPI_TURBO_HELP),
> + option text = STRING_TOKEN(STR_ACPI_COMMON_ENABLE), value = 1, flags
> = DEFAULT;
> + option text = STRING_TOKEN(STR_ACPI_COMMON_DISABLE), value = 0,
> flags = 0;
> + suppressif ideqval AcpiConfigNVData.AcpiTurboSupport > 0;
> + option text = STRING_TOKEN(STR_ACPI_UNSUPPORTED), value = 2, flags =
> 0;
> + endif;
> + endoneof;
> + endif;
> +
> + endform;
> +
> +endformset;
> diff --git a/Platform/Ampere/JadePkg/Drivers/AcpiPlatformDxe/AcpiApei.c
> b/Platform/Ampere/JadePkg/Drivers/AcpiPlatformDxe/AcpiApei.c
> index a216edac60ce..8a46e038c1a7 100644
> --- a/Platform/Ampere/JadePkg/Drivers/AcpiPlatformDxe/AcpiApei.c
> +++ b/Platform/Ampere/JadePkg/Drivers/AcpiPlatformDxe/AcpiApei.c
> @@ -149,7 +149,7 @@ WrapBertErrorData (
> CrashSize = PLAT_CRASH_ITERATOR_SIZE *
> GetNumberOfSupportedSockets () *
> GetMaximumNumberOfCores ();
> - CrashSize += 2 * (SMPRO_CRASH_SIZE + PMPRO_CRASH_SIZE);
> + CrashSize += 2 * (SMPRO_CRASH_SIZE + PMPRO_CRASH_SIZE + RASIP_CRASH_SIZE);
> CrashSize += sizeof (WrappedError->Bed.Vendor) + sizeof
> (WrappedError->Bed.BertRev);
>
> WrappedError->Ges.BlockStatus.ErrorDataEntryCount = 1;
> @@ -437,8 +437,27 @@ AcpiApeiUpdate (
> VOID
> )
> {
> - if (!IsSlaveSocketActive ()) {
> - AcpiApeiHestUpdateTable1P ();
> + EFI_STATUS Status;
> + ACPI_CONFIG_VARSTORE_DATA AcpiConfigData;
> + UINTN BufferSize;
> +
> + BufferSize = sizeof (ACPI_CONFIG_VARSTORE_DATA);
> + Status = gRT->GetVariable (
> + L"AcpiConfigNVData",
> + &gAcpiConfigFormSetGuid,
> + NULL,
> + &BufferSize,
> + &AcpiConfigData
> + );
> + if (!EFI_ERROR (Status) && (AcpiConfigData.EnableApeiSupport == 0)) {
> + AcpiApeiUninstallTable (EFI_ACPI_6_3_BOOT_ERROR_RECORD_TABLE_SIGNATURE);
> + AcpiApeiUninstallTable
> (EFI_ACPI_6_3_HARDWARE_ERROR_SOURCE_TABLE_SIGNATURE);
> + AcpiApeiUninstallTable
> (EFI_ACPI_6_3_SOFTWARE_DELEGATED_EXCEPTIONS_INTERFACE_TABLE_SIGNATURE);
> + AcpiApeiUninstallTable (EFI_ACPI_6_3_ERROR_INJECTION_TABLE_SIGNATURE);
> + } else {
> + if (!IsSlaveSocketActive ()) {
> + AcpiApeiHestUpdateTable1P ();
> + }
> }
>
> if (!IsSdeiEnabled ()) {
> diff --git
> a/Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/AcpiConfigDxe.c
> b/Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/AcpiConfigDxe.c
> new file mode 100644
> index 000000000000..d085389d2865
> --- /dev/null
> +++ b/Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/AcpiConfigDxe.c
> @@ -0,0 +1,729 @@
> +/** @file
> +
> + Copyright (c) 2020 - 2021, Ampere Computing LLC. All rights reserved.<BR>
> +
> + SPDX-License-Identifier: BSD-2-Clause-Patent
> +
> +**/
> +
> +#include <Uefi.h>
> +
> +#include <AcpiConfigNVDataStruct.h>
> +#include <Guid/AcpiConfigFormSet.h>
> +#include <Guid/MdeModuleHii.h>
> +#include <Guid/PlatformInfoHobGuid.h>
> +#include <Library/AcpiLib.h>
> +#include <Library/BaseLib.h>
> +#include <Library/BaseMemoryLib.h>
> +#include <Library/DebugLib.h>
> +#include <Library/DevicePathLib.h>
> +#include <Library/HiiLib.h>
> +#include <Library/HobLib.h>
> +#include <Library/MemoryAllocationLib.h>
> +#include <Library/SystemFirmwareInterfaceLib.h>
> +#include <Library/PrintLib.h>
> +#include <Library/UefiBootServicesTableLib.h>
> +#include <Library/UefiDriverEntryPoint.h>
> +#include <Library/UefiLib.h>
> +#include <Library/UefiRuntimeServicesTableLib.h>
> +#include <PlatformInfoHob.h>
> +#include <Protocol/AcpiSystemDescriptionTable.h>
> +#include <Protocol/HiiConfigAccess.h>
> +#include <Protocol/HiiConfigRouting.h>
> +
> +#include "AcpiConfigDxe.h"
> +
> +#define ACPI_VARSTORE_ATTRIBUTES EFI_VARIABLE_BOOTSERVICE_ACCESS | \
> + EFI_VARIABLE_RUNTIME_ACCESS | \
> + EFI_VARIABLE_NON_VOLATILE
> +
> +CHAR16 AcpiVarstoreDataName[] = L"AcpiConfigNVData";
> +
> +EFI_HANDLE mDriverHandle = NULL;
> +ACPI_CONFIG_PRIVATE_DATA *mPrivateData = NULL;
> +
> +HII_VENDOR_DEVICE_PATH mAcpiConfigHiiVendorDevicePath = {
> + {
> + {
> + HARDWARE_DEVICE_PATH,
> + HW_VENDOR_DP,
> + {
> + (UINT8)(sizeof (VENDOR_DEVICE_PATH)),
> + (UINT8)((sizeof (VENDOR_DEVICE_PATH)) >> 8)
> + }
> + },
> + ACPI_CONFIGURATION_FORMSET_GUID
> + },
> + {
> + END_DEVICE_PATH_TYPE,
> + END_ENTIRE_DEVICE_PATH_SUBTYPE,
> + {
> + (UINT8)(END_DEVICE_PATH_LENGTH),
> + (UINT8)((END_DEVICE_PATH_LENGTH) >> 8)
> + }
> + }
> +};
> +
> +/**
> + This function allows a caller to extract the current configuration for one
> + or more named elements from the target driver.
> +
> + @param This Points to the
> EFI_HII_CONFIG_ACCESS_PROTOCOL.
> + @param Request A null-terminated Unicode string in
> + <ConfigRequest> format.
> + @param Progress On return, points to a character in the
> Request
> + string. Points to the string's null
> terminator if
> + request was successful. Points to the most
> recent
> + '&' before the first failing name/value
> pair (or
> + the beginning of the string if the failure
> is in
> + the first name/value pair) if the request
> was not
> + successful.
> + @param Results A null-terminated Unicode string in
> + <ConfigAltResp> format which has all values
> filled
> + in for the names in the Request string.
> String to
> + be allocated by the called function.
> +
> + @retval EFI_SUCCESS The Results is filled with the requested
> values.
> + @retval EFI_OUT_OF_RESOURCES Not enough memory to store the results.
> + @retval EFI_INVALID_PARAMETER Request is illegal syntax, or unknown name.
> + @retval EFI_NOT_FOUND Routing data doesn't match any storage in
> this
> + driver.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +ExtractConfig (
> + IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
> + IN CONST EFI_STRING Request,
> + OUT EFI_STRING *Progress,
> + OUT EFI_STRING *Results
> + )
> +{
> + EFI_STATUS Status;
> + UINTN BufferSize;
> + ACPI_CONFIG_PRIVATE_DATA *PrivateData;
> + EFI_HII_CONFIG_ROUTING_PROTOCOL *HiiConfigRouting;
> + EFI_STRING ConfigRequest;
> + EFI_STRING ConfigRequestHdr;
> + UINTN Size;
> + BOOLEAN AllocatedRequest;
> +
> + if (Progress == NULL || Results == NULL) {
> + return EFI_INVALID_PARAMETER;
> + }
> + //
> + // Initialize the local variables.
> + //
> + ConfigRequestHdr = NULL;
> + ConfigRequest = NULL;
> + Size = 0;
> + *Progress = Request;
> + AllocatedRequest = FALSE;
> +
> + if ((Request != NULL) && !HiiIsConfigHdrMatch (Request,
> &gAcpiConfigFormSetGuid, AcpiVarstoreDataName)) {
> + return EFI_NOT_FOUND;
> + }
> +
> + PrivateData = ACPI_CONFIG_PRIVATE_FROM_THIS (This);
> + HiiConfigRouting = PrivateData->HiiConfigRouting;
> +
> + //
> + // Get Buffer Storage data from EFI variable.
> + // Try to get the current setting from variable.
> + //
> + BufferSize = sizeof (ACPI_CONFIG_VARSTORE_DATA);
> + Status = gRT->GetVariable (
> + AcpiVarstoreDataName,
> + &gAcpiConfigFormSetGuid,
> + NULL,
> + &BufferSize,
> + &PrivateData->Configuration
> + );
> + if (EFI_ERROR (Status)) {
> + return EFI_NOT_FOUND;
> + }
> +
> + //
> + // Convert buffer data to <ConfigResp> by helper function BlockToConfig()
> + //
> + BufferSize = sizeof (ACPI_CONFIG_VARSTORE_DATA);
> + ConfigRequest = Request;
> + if ((Request == NULL) || (StrStr (Request, L"OFFSET") == NULL)) {
> + //
> + // Request has no request element, construct full request string.
> + // Allocate and fill a buffer large enough to hold the <ConfigHdr>
> template
> + // followed by "&OFFSET=0&WIDTH=WWWWWWWWWWWWWWWW" followed by a
> Null-terminator
> + //
> + ConfigRequestHdr = HiiConstructConfigHdr (
> + &gAcpiConfigFormSetGuid,
> + AcpiVarstoreDataName,
> + PrivateData->DriverHandle
> + );
> + Size = (StrLen (ConfigRequestHdr) + 32 + 1) * sizeof (CHAR16);
> + ConfigRequest = AllocateZeroPool (Size);
> + ASSERT (ConfigRequest != NULL);
> + if (ConfigRequest == NULL) {
> + return EFI_OUT_OF_RESOURCES;
> + }
> + AllocatedRequest = TRUE;
> + UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX",
> ConfigRequestHdr, (UINT64)BufferSize);
> + FreePool (ConfigRequestHdr);
> + }
> +
> + //
> + // Convert buffer data to <ConfigResp> by helper function BlockToConfig()
> + //
> + Status = HiiConfigRouting->BlockToConfig (
> + HiiConfigRouting,
> + ConfigRequest,
> + (UINT8 *)&PrivateData->Configuration,
> + BufferSize,
> + Results,
> + Progress
> + );
> +
> + //
> + // Free the allocated config request string.
> + //
> + if (AllocatedRequest) {
> + FreePool (ConfigRequest);
> + ConfigRequest = NULL;
> + }
> +
> + //
> + // Set Progress string to the original request string.
> + //
> + if (Request == NULL) {
> + *Progress = NULL;
> + } else if (StrStr (Request, L"OFFSET") == NULL) {
> + *Progress = Request + StrLen (Request);
> + }
> +
> + return Status;
> +}
> +
> +/**
> + This function processes the results of changes in configuration.
> +
> + @param This Points to the
> EFI_HII_CONFIG_ACCESS_PROTOCOL.
> + @param Configuration A null-terminated Unicode string in
> <ConfigResp>
> + format.
> + @param Progress A pointer to a string filled in with the
> offset of
> + the most recent '&' before the first failing
> + name/value pair (or the beginning of the
> string if
> + the failure is in the first name/value
> pair) or
> + the terminating NULL if all was successful.
> +
> + @retval EFI_SUCCESS The Results is processed successfully.
> + @retval EFI_INVALID_PARAMETER Configuration is NULL.
> + @retval EFI_NOT_FOUND Routing data doesn't match any storage in
> this
> + driver.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +RouteConfig (
> + IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
> + IN CONST EFI_STRING Configuration,
> + OUT EFI_STRING *Progress
> + )
> +{
> + EFI_STATUS Status;
> + UINTN BufferSize;
> + ACPI_CONFIG_PRIVATE_DATA *PrivateData;
> + EFI_HII_CONFIG_ROUTING_PROTOCOL *HiiConfigRouting;
> +
> + if (Configuration == NULL || Progress == NULL) {
> + return EFI_INVALID_PARAMETER;
> + }
> +
> + PrivateData = ACPI_CONFIG_PRIVATE_FROM_THIS (This);
> + HiiConfigRouting = PrivateData->HiiConfigRouting;
> + *Progress = Configuration;
> +
> + //
> + // Check routing data in <ConfigHdr>.
> + // Note: if only one Storage is used, then this checking could be skipped.
> + //
> + if (!HiiIsConfigHdrMatch (Configuration, &gAcpiConfigFormSetGuid,
> AcpiVarstoreDataName)) {
> + return EFI_NOT_FOUND;
> + }
> +
> + //
> + // Get Buffer Storage data from EFI variable
> + //
> + BufferSize = sizeof (ACPI_CONFIG_VARSTORE_DATA);
> + Status = gRT->GetVariable (
> + AcpiVarstoreDataName,
> + &gAcpiConfigFormSetGuid,
> + NULL,
> + &BufferSize,
> + &PrivateData->Configuration
> + );
> + if (EFI_ERROR (Status)) {
> + return Status;
> + }
> +
> + //
> + // Convert <ConfigResp> to buffer data by helper function ConfigToBlock()
> + //
> + BufferSize = sizeof (ACPI_CONFIG_VARSTORE_DATA);
> + Status = HiiConfigRouting->ConfigToBlock (
> + HiiConfigRouting,
> + Configuration,
> + (UINT8 *)&PrivateData->Configuration,
> + &BufferSize,
> + Progress
> + );
> + if (EFI_ERROR (Status)) {
> + return Status;
> + }
> +
> + //
> + // Store Buffer Storage back to EFI variable
> + //
> + Status = gRT->SetVariable (
> + AcpiVarstoreDataName,
> + &gAcpiConfigFormSetGuid,
> + ACPI_VARSTORE_ATTRIBUTES,
> + sizeof (ACPI_CONFIG_VARSTORE_DATA),
> + &PrivateData->Configuration
> + );
> +
> + return Status;
> +}
> +
> +/**
> + This function processes the results of changes in configuration.
> +
> + @param This Points to the
> EFI_HII_CONFIG_ACCESS_PROTOCOL.
> + @param Action Specifies the type of action taken by the
> browser.
> + @param QuestionId A unique value which is sent to the original
> + exporting driver so that it can identify
> the type
> + of data to expect.
> + @param Type The type of value for the question.
> + @param Value A pointer to the data being sent to the
> original
> + exporting driver.
> + @param ActionRequest On return, points to the action requested
> by the
> + callback function.
> +
> + @retval EFI_SUCCESS The callback successfully handled the
> action.
> + @retval EFI_INVALID_PARAMETER The setup browser call this function with
> invalid parameters.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +DriverCallback (
> + IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
> + IN EFI_BROWSER_ACTION Action,
> + IN EFI_QUESTION_ID QuestionId,
> + IN UINT8 Type,
> + IN EFI_IFR_TYPE_VALUE *Value,
> + OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest
> + )
> +{
> + if (Action != EFI_BROWSER_ACTION_CHANGING) {
> + //
> + // Do nothing for other UEFI Action. Only do call back when data is
> changed.
> + //
> + return EFI_UNSUPPORTED;
> + }
> + if (((Value == NULL)
> + && (Action != EFI_BROWSER_ACTION_FORM_OPEN)
> + && (Action != EFI_BROWSER_ACTION_FORM_CLOSE))
> + || (ActionRequest == NULL))
> + {
> + return EFI_INVALID_PARAMETER;
> + }
> +
> + return EFI_SUCCESS;
> +}
> +
> +STATIC
> +EFI_STATUS
> +AcpiNVDataUpdate (
> + IN ACPI_CONFIG_PRIVATE_DATA *PrivateData
> + )
> +{
> + EFI_STATUS Status;
> + PLATFORM_INFO_HOB *PlatformHob;
> + UINT32 TurboSupport;
> +
> + ASSERT (PrivateData != NULL);
> +
> + PlatformHob = PrivateData->PlatformHob;
> + TurboSupport = PlatformHob->TurboCapability[0] +
> PlatformHob->TurboCapability[1];
> +
> + if (TurboSupport == 0) {
> + PrivateData->Configuration.AcpiTurboMode = 2; // Unsupported mode
> + PrivateData->Configuration.AcpiTurboSupport = 0;
> + } else {
> + PrivateData->Configuration.AcpiTurboSupport = 1;
> + }
> +
> + Status = gRT->SetVariable (
> + AcpiVarstoreDataName,
> + &gAcpiConfigFormSetGuid,
> + ACPI_VARSTORE_ATTRIBUTES,
> + sizeof (ACPI_CONFIG_VARSTORE_DATA),
> + &PrivateData->Configuration
> + );
> + if (EFI_ERROR (Status)) {
> + DEBUG ((DEBUG_ERROR, "%a %d gRT->SetVariable() failed \n", __FUNCTION__,
> __LINE__));
> + return Status;
> + }
> +
> + return EFI_SUCCESS;
> +}
> +
> +STATIC
> +EFI_STATUS
> +UpdateTurboModeConfig (
> + IN ACPI_CONFIG_PRIVATE_DATA *PrivateData
> + )
> +{
> + EFI_STATUS Status;
> + PLATFORM_INFO_HOB *PlatformHob;
> + BOOLEAN EnableTurbo;
> +
> + ASSERT (PrivateData != NULL);
> +
> + if (PrivateData->Configuration.AcpiTurboSupport != 0) {
> + PlatformHob = PrivateData->PlatformHob;
> + EnableTurbo = (PrivateData->Configuration.AcpiTurboMode != 0) ? TRUE :
> FALSE;
> +
> + if (PlatformHob->TurboCapability[0] != 0) {
> + Status = MailboxMsgTurboConfig (0, EnableTurbo);
> + if (EFI_ERROR (Status)) {
> + return Status;
> + }
> + }
> +
> + if (PlatformHob->TurboCapability[1] != 0) {
> + Status = MailboxMsgTurboConfig (1, EnableTurbo);
> + if (EFI_ERROR (Status)) {
> + return Status;
> + }
> + }
> + } else {
> + DEBUG ((DEBUG_INFO, "%a: Turbo mode is unsupported! \n", __FUNCTION__));
> + }
> +
> + return EFI_SUCCESS;
> +}
> +
> +STATIC
> +EFI_STATUS
> +UpdateCPPCConfig (
> + IN ACPI_CONFIG_PRIVATE_DATA *PrivateData
> + )
> +{
> + EFI_STATUS Status;
> + CHAR8 Buffer[64];
> +
> + ASSERT (PrivateData != NULL);
> +
> + AsciiSPrint (Buffer, sizeof (Buffer), "\\_SB.CPCE");
> + Status = AcpiAmlObjectUpdateInteger (
> + PrivateData->AcpiSdtProtocol,
> + PrivateData->AcpiTableHandle,
> + Buffer,
> + PrivateData->Configuration.AcpiCppcEnable
> + );
> + ASSERT_EFI_ERROR (Status);
> +
> + return Status;
> +}
> +
> +STATIC
> +EFI_STATUS
> +UpdateLPIConfig (
> + IN ACPI_CONFIG_PRIVATE_DATA *PrivateData
> + )
> +{
> + EFI_STATUS Status;
> + CHAR8 Buffer[64];
> +
> + ASSERT (PrivateData != NULL);
> +
> + AsciiSPrint (Buffer, sizeof (Buffer), "\\_SB.LPIE");
> + Status = AcpiAmlObjectUpdateInteger (
> + PrivateData->AcpiSdtProtocol,
> + PrivateData->AcpiTableHandle,
> + Buffer,
> + PrivateData->Configuration.AcpiLpiEnable
> + );
> + ASSERT_EFI_ERROR (Status);
> +
> + return Status;
> +}
> +
> +STATIC
> +VOID
> +UpdateAcpiOnReadyToBoot (
> + IN EFI_EVENT Event,
> + IN VOID *Context
> + )
> +{
> + EFI_STATUS Status;
> + EFI_ACPI_SDT_PROTOCOL *AcpiSdtProtocol;
> + EFI_ACPI_DESCRIPTION_HEADER *Table;
> + EFI_ACPI_HANDLE TableHandle;
> + UINTN TableKey;
> + UINTN TableIndex;
> +
> + ASSERT (mPrivateData != NULL);
> +
> + //
> + // Find the AcpiTable protocol
> + //
> + Status = gBS->LocateProtocol (
> + &gEfiAcpiSdtProtocolGuid,
> + NULL,
> + (VOID **)&AcpiSdtProtocol
> + );
> + if (EFI_ERROR (Status)) {
> + DEBUG ((DEBUG_ERROR, "Unable to locate ACPI table protocol\n"));
> + return;
> + }
> +
> + mPrivateData->AcpiSdtProtocol = AcpiSdtProtocol;
> +
> + TableIndex = 0;
> + Status = AcpiLocateTableBySignature (
> + AcpiSdtProtocol,
> + EFI_ACPI_6_3_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE,
> + &TableIndex,
> + &Table,
> + &TableKey
> + );
> + ASSERT_EFI_ERROR (Status);
> + if (EFI_ERROR (Status)) {
> + return;
> + }
> +
> + Status = AcpiSdtProtocol->OpenSdt (TableKey, &TableHandle);
> + ASSERT_EFI_ERROR (Status);
> + if (EFI_ERROR (Status)) {
> + return;
> + }
> +
> + mPrivateData->AcpiTableHandle = TableHandle;
> +
> + Status = UpdateCPPCConfig (mPrivateData);
> + if (EFI_ERROR (Status)) {
> + return;
> + }
> +
> + Status = UpdateLPIConfig (mPrivateData);
> + if (EFI_ERROR (Status)) {
> + return;
> + }
> +
> + Status = UpdateTurboModeConfig (mPrivateData);
> + if (EFI_ERROR (Status)) {
> + return;
> + }
> +
> + //
> + // Close DSDT Table
> + //
> + AcpiSdtProtocol->Close (TableHandle);
> + AcpiUpdateChecksum ((UINT8 *)Table, Table->Length);
> +}
> +
> +STATIC
> +EFI_STATUS
> +AcpiConfigUnload (
> + VOID
> + )
> +{
> + ASSERT (mPrivateData != NULL);
> +
> + if (mDriverHandle != NULL) {
> + gBS->UninstallMultipleProtocolInterfaces (
> + mDriverHandle,
> + &gEfiDevicePathProtocolGuid,
> + &mAcpiConfigHiiVendorDevicePath,
> + &gEfiHiiConfigAccessProtocolGuid,
> + &mPrivateData->ConfigAccess,
> + NULL
> + );
> + mDriverHandle = NULL;
> + }
> +
> + if (mPrivateData->HiiHandle != NULL) {
> + HiiRemovePackages (mPrivateData->HiiHandle);
> + }
> +
> + FreePool (mPrivateData);
> + mPrivateData = NULL;
> +
> + return EFI_SUCCESS;
> +}
> +
> +EFI_STATUS
> +EFIAPI
> +AcpiConfigEntryPoint (
> + IN EFI_HANDLE ImageHandle,
> + IN EFI_SYSTEM_TABLE *SystemTable
> + )
> +{
> + EFI_STATUS Status;
> + EFI_HII_HANDLE HiiHandle;
> + EFI_HII_CONFIG_ROUTING_PROTOCOL *HiiConfigRouting;
> + UINTN BufferSize;
> + ACPI_CONFIG_VARSTORE_DATA *Configuration;
> + BOOLEAN ActionFlag;
> + EFI_STRING ConfigRequestHdr;
> + EFI_EVENT ReadyToBootEvent;
> + PLATFORM_INFO_HOB *PlatformHob;
> + VOID *Hob;
> +
> + //
> + // Initialize the local variables.
> + //
> + ConfigRequestHdr = NULL;
> +
> + //
> + // Initialize driver private data
> + //
> + mPrivateData = AllocateZeroPool (sizeof (ACPI_CONFIG_PRIVATE_DATA));
> + if (mPrivateData == NULL) {
> + return EFI_OUT_OF_RESOURCES;
> + }
> +
> + mPrivateData->Signature = ACPI_CONFIG_PRIVATE_SIGNATURE;
> +
> + mPrivateData->ConfigAccess.ExtractConfig = ExtractConfig;
> + mPrivateData->ConfigAccess.RouteConfig = RouteConfig;
> + mPrivateData->ConfigAccess.Callback = DriverCallback;
> +
> + //
> + // Get the Platform HOB
> + //
> + Hob = GetFirstGuidHob (&gPlatformHobGuid);
> + ASSERT (Hob != NULL);
> + if (Hob == NULL) {
> + AcpiConfigUnload ();
> + return EFI_DEVICE_ERROR;
> + }
> + PlatformHob = (PLATFORM_INFO_HOB *)GET_GUID_HOB_DATA (Hob);
> +
> + mPrivateData->PlatformHob = PlatformHob;
> +
> + //
> + // Locate ConfigRouting protocol
> + //
> + Status = gBS->LocateProtocol (&gEfiHiiConfigRoutingProtocolGuid, NULL,
> (VOID **)&HiiConfigRouting);
> + if (EFI_ERROR (Status)) {
> + return Status;
> + }
> + mPrivateData->HiiConfigRouting = HiiConfigRouting;
> +
> + Status = gBS->InstallMultipleProtocolInterfaces (
> + &mDriverHandle,
> + &gEfiDevicePathProtocolGuid,
> + &mAcpiConfigHiiVendorDevicePath,
> + &gEfiHiiConfigAccessProtocolGuid,
> + &mPrivateData->ConfigAccess,
> + NULL
> + );
> + ASSERT_EFI_ERROR (Status);
> +
> + mPrivateData->DriverHandle = mDriverHandle;
> +
> + //
> + // Publish our HII data
> + //
> + HiiHandle = HiiAddPackages (
> + &gAcpiConfigFormSetGuid,
> + mDriverHandle,
> + AcpiConfigDxeStrings,
> + AcpiConfigVfrBin,
> + NULL
> + );
> + if (HiiHandle == NULL) {
> + gBS->UninstallMultipleProtocolInterfaces (
> + mDriverHandle,
> + &gEfiDevicePathProtocolGuid,
> + &mAcpiConfigHiiVendorDevicePath,
> + &gEfiHiiConfigAccessProtocolGuid,
> + &mPrivateData->ConfigAccess,
> + NULL
> + );
> + return EFI_OUT_OF_RESOURCES;
> + }
> +
> + mPrivateData->HiiHandle = HiiHandle;
> +
> + //
> + // Initialize configuration data
> + //
> + Configuration = &mPrivateData->Configuration;
> + ZeroMem (Configuration, sizeof (ACPI_CONFIG_VARSTORE_DATA));
> +
> + //
> + // Try to read NV config EFI variable first
> + //
> + ConfigRequestHdr = HiiConstructConfigHdr (&gAcpiConfigFormSetGuid,
> AcpiVarstoreDataName, mDriverHandle);
> + ASSERT (ConfigRequestHdr != NULL);
> +
> + BufferSize = sizeof (ACPI_CONFIG_VARSTORE_DATA);
> + Status = gRT->GetVariable (AcpiVarstoreDataName, &gAcpiConfigFormSetGuid,
> NULL, &BufferSize, Configuration);
> + if (EFI_ERROR (Status)) {
> + //
> + // Store zero data Buffer Storage to EFI variable
> + //
> + Status = gRT->SetVariable (
> + AcpiVarstoreDataName,
> + &gAcpiConfigFormSetGuid,
> + ACPI_VARSTORE_ATTRIBUTES,
> + sizeof (ACPI_CONFIG_VARSTORE_DATA),
> + Configuration
> + );
> + if (EFI_ERROR (Status)) {
> + AcpiConfigUnload ();
> + return Status;
> + }
> + //
> + // EFI variable for NV config doesn't exit, we should build this variable
> + // based on default values stored in IFR
> + //
> + ActionFlag = HiiSetToDefaults (ConfigRequestHdr,
> EFI_HII_DEFAULT_CLASS_STANDARD);
> + if (!ActionFlag) {
> + AcpiConfigUnload ();
> + return EFI_INVALID_PARAMETER;
> + }
> + } else {
> + //
> + // EFI variable does exist and Validate Current Setting
> + //
> + ActionFlag = HiiValidateSettings (ConfigRequestHdr);
> + if (!ActionFlag) {
> + AcpiConfigUnload ();
> + return EFI_INVALID_PARAMETER;
> + }
> + }
> + FreePool (ConfigRequestHdr);
> +
> + Status = gBS->CreateEventEx (
> + EVT_NOTIFY_SIGNAL,
> + TPL_NOTIFY,
> + UpdateAcpiOnReadyToBoot,
> + NULL,
> + &gEfiEventReadyToBootGuid,
> + &ReadyToBootEvent
> + );
> + if (EFI_ERROR (Status)) {
> + DEBUG ((DEBUG_ERROR, "Fail to create ready to boot event %r!\n",
> Status));
> + return Status;
> + }
> +
> + Status = AcpiNVDataUpdate (mPrivateData);
> + if (EFI_ERROR (Status)) {
> + return Status;
> + }
> +
> + return EFI_SUCCESS;
> +}
> diff --git
> a/Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/AcpiConfigStrings.uni
> b/Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/AcpiConfigStrings.uni
> new file mode 100644
> index 000000000000..21a6188518fd
> --- /dev/null
> +++
> b/Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/AcpiConfigStrings.uni
> @@ -0,0 +1,27 @@
> +//
> +// Copyright (c) 2020 - 2021, Ampere Computing LLC. All rights reserved.<BR>
> +//
> +// SPDX-License-Identifier: BSD-2-Clause-Patent
> +//
> +
> +#langdef en-US "English"
> +
> +#string STR_ACPI_FORM #language en-US "ACPI
> Configuration"
> +#string STR_ACPI_FORM_HELP #language en-US "ACPI
> Configuration"
> +
> +#string STR_ACPI_FORM_SEPERATE_LINE #language en-US ""
> +#string STR_ACPI_COMMON_ENABLE #language en-US
> "Enabled"
> +#string STR_ACPI_COMMON_DISABLE #language en-US
> "Disabled"
> +#string STR_ACPI_UNSUPPORTED #language en-US
> "Unsupported"
> +
> +#string STR_ACPI_APEI_SUPPORT_PROMPT #language en-US "APEI
> Support"
> +#string STR_ACPI_APEI_SUPPORT_HELP #language en-US
> "Enable/Disable ACPI Platform Error Interface support"
> +
> +#string STR_ACPI_CPPC_PROMPT #language en-US "CPPC
> Support"
> +#string STR_ACPI_CPPC_HELP #language en-US
> "Enables or Disables System ability to CPPC (Collaborative Processor
> Performance Control)"
> +
> +#string STR_ACPI_LPI_PROMPT #language en-US "LPI
> Support"
> +#string STR_ACPI_LPI_HELP #language en-US
> "Enables or Disables System ability to LPI (Lower Power Idle)"
> +
> +#string STR_ACPI_TURBO_PROMPT #language en-US "Max
> Performance"
> +#string STR_ACPI_TURBO_HELP #language en-US
> "Enables or Disables System ability to Max Performance"
> --
> 2.17.1
>
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