[edk2-devel] [edk2-platforms][PATCH 23/34] AmpereAltraPkg: Add CPU Configuration for SubNUMA
Nhi Pham via groups.io
nhi=os.amperecomputing.com at groups.io
Wed Dec 9 09:25:20 UTC 2020
From: Vu Nguyen <vunguyen at os.amperecomputing.com>
This commit adds support for SubNUMA mode selection.
Signed-off-by: Vu Nguyen <vunguyen at os.amperecomputing.com>
---
Silicon/Ampere/AmpereAltraPkg/Ac01Pkg.dec | 2 +
Platform/Ampere/JadePkg/Jade.dsc | 1 +
Platform/Ampere/JadePkg/Jade.fdf | 1 +
Silicon/Ampere/AmpereAltraPkg/Drivers/CpuConfigDxe/CpuConfigDxe.inf | 58 +++
Silicon/Ampere/AmpereAltraPkg/Drivers/CpuConfigDxe/CpuConfigDxe.h | 75 +++
Silicon/Ampere/AmpereAltraPkg/Drivers/CpuConfigDxe/NVDataStruc.h | 19 +
Silicon/Ampere/AmpereAltraPkg/Include/Guid/CpuConfigHii.h | 19 +
Silicon/Ampere/AmpereAltraPkg/Drivers/CpuConfigDxe/Vfr.vfr | 43 ++
Silicon/Ampere/AmpereAltraPkg/Drivers/CpuConfigDxe/CpuConfigDxe.c | 505 ++++++++++++++++++++
Silicon/Ampere/AmpereAltraPkg/Drivers/CpuConfigDxe/VfrStrings.uni | 17 +
10 files changed, 740 insertions(+)
diff --git a/Silicon/Ampere/AmpereAltraPkg/Ac01Pkg.dec b/Silicon/Ampere/AmpereAltraPkg/Ac01Pkg.dec
index 267d6cc74e0b..9f5c4817e225 100644
--- a/Silicon/Ampere/AmpereAltraPkg/Ac01Pkg.dec
+++ b/Silicon/Ampere/AmpereAltraPkg/Ac01Pkg.dec
@@ -44,6 +44,8 @@ [LibraryClasses]
FlashLib|Silicon/Ampere/AmpereAltraPkg/Include/Library/FlashLib.h
[Guids]
+ # GUID for the CPU HII configuration form
+ gCpuConfigFormSetGuid = { 0x43FAA144, 0xA2DF, 0x4050, { 0xA7, 0xFD, 0xEE, 0x17, 0xC9, 0xB8, 0x88, 0x8E } }
## SPI NOR Proxy MM GUID
gSpiNorMmGuid = { 0xC8D76438, 0x4D3C, 0x4BEA, { 0xBF, 0x86, 0x92, 0x6B, 0x83, 0x07, 0xA2, 0x39 } }
diff --git a/Platform/Ampere/JadePkg/Jade.dsc b/Platform/Ampere/JadePkg/Jade.dsc
index 5fa2cda1adb8..7b293350d40d 100755
--- a/Platform/Ampere/JadePkg/Jade.dsc
+++ b/Platform/Ampere/JadePkg/Jade.dsc
@@ -159,3 +159,4 @@ [Components.common]
#
Silicon/Ampere/AmpereAltraPkg/Drivers/PlatformInfoDxe/PlatformInfoDxe.inf
Silicon/Ampere/AmpereAltraPkg/Drivers/MemInfo/MemInfoDxe.inf
+ Silicon/Ampere/AmpereAltraPkg/Drivers/CpuConfigDxe/CpuConfigDxe.inf
diff --git a/Platform/Ampere/JadePkg/Jade.fdf b/Platform/Ampere/JadePkg/Jade.fdf
index 39da6edb4750..fb87bba69a0a 100755
--- a/Platform/Ampere/JadePkg/Jade.fdf
+++ b/Platform/Ampere/JadePkg/Jade.fdf
@@ -375,5 +375,6 @@ [FV.FvMain]
#
INF Silicon/Ampere/AmpereAltraPkg/Drivers/PlatformInfoDxe/PlatformInfoDxe.inf
INF Silicon/Ampere/AmpereAltraPkg/Drivers/MemInfo/MemInfoDxe.inf
+ INF Silicon/Ampere/AmpereAltraPkg/Drivers/CpuConfigDxe/CpuConfigDxe.inf
!include Platform/Ampere/FvRules.fdf.inc
diff --git a/Silicon/Ampere/AmpereAltraPkg/Drivers/CpuConfigDxe/CpuConfigDxe.inf b/Silicon/Ampere/AmpereAltraPkg/Drivers/CpuConfigDxe/CpuConfigDxe.inf
new file mode 100755
index 000000000000..8393b873da2c
--- /dev/null
+++ b/Silicon/Ampere/AmpereAltraPkg/Drivers/CpuConfigDxe/CpuConfigDxe.inf
@@ -0,0 +1,58 @@
+## @file
+#
+# Copyright (c) 2020, Ampere Computing LLC. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+ INF_VERSION = 0x0001001B
+ BASE_NAME = CpuConfigDxe
+ MODULE_UNI_FILE = CpuConfigDxe.uni
+ FILE_GUID = A20D8E6E-EE6C-43C5-809F-19BB930653AE
+ MODULE_TYPE = DXE_DRIVER
+ VERSION_STRING = 1.0
+ ENTRY_POINT = CpuConfigDxeEntryPoint
+
+[Sources.common]
+ CpuConfigDxe.c
+ CpuConfigDxe.h
+ NVDataStruc.h
+ Vfr.vfr
+ VfrStrings.uni
+
+[Packages]
+ MdePkg/MdePkg.dec
+ MdeModulePkg/MdeModulePkg.dec
+ Silicon/Ampere/AmperePkg.dec
+ Silicon/Ampere/AmpereAltraPkg/Ac01Pkg.dec
+
+[LibraryClasses]
+ IoLib
+ UefiBootServicesTableLib
+ UefiDriverEntryPoint
+ DebugLib
+ ArmLib
+ BaseLib
+ UefiLib
+ PcdLib
+ HobLib
+ PrintLib
+ MemoryAllocationLib
+ UefiRuntimeServicesTableLib
+ HiiLib
+ DevicePathLib
+ NVParamLib
+
+[Protocols]
+ gEfiHiiConfigRoutingProtocolGuid ## CONSUMES
+ gEfiHiiConfigAccessProtocolGuid ## PRODUCES
+ gEfiDevicePathProtocolGuid ## PRODUCES
+
+[Guids]
+ gCpuConfigFormSetGuid
+ gPlatformManagerFormsetGuid
+
+[Depex]
+ TRUE
diff --git a/Silicon/Ampere/AmpereAltraPkg/Drivers/CpuConfigDxe/CpuConfigDxe.h b/Silicon/Ampere/AmpereAltraPkg/Drivers/CpuConfigDxe/CpuConfigDxe.h
new file mode 100644
index 000000000000..a8d000415eeb
--- /dev/null
+++ b/Silicon/Ampere/AmpereAltraPkg/Drivers/CpuConfigDxe/CpuConfigDxe.h
@@ -0,0 +1,75 @@
+/** @file
+
+ Copyright (c) 2020, Ampere Computing LLC. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef _CPU_CONFIG_H_
+#define _CPU_CONFIG_H_
+
+#include <Uefi.h>
+#include <Protocol/HiiConfigRouting.h>
+#include <Protocol/HiiConfigAccess.h>
+#include <Guid/MdeModuleHii.h>
+#include <Guid/PlatformManagerHii.h>
+#include <Guid/CpuConfigHii.h>
+#include <Library/DebugLib.h>
+#include <Library/BaseLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/UefiRuntimeServicesTableLib.h>
+#include <Library/UefiDriverEntryPoint.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/HiiLib.h>
+#include <Library/DevicePathLib.h>
+#include <Library/PrintLib.h>
+#include <Library/UefiLib.h>
+#include <Library/NVParamLib.h>
+#include <NVParamDef.h>
+#include "NVDataStruc.h"
+
+//
+// This is the generated IFR binary data for each formset defined in VFR.
+//
+extern UINT8 VfrBin[];
+
+//
+// This is the generated String package data for all .UNI files.
+//
+extern UINT8 CpuConfigDxeStrings[];
+
+#define CPU_CONFIG_PRIVATE_SIGNATURE SIGNATURE_32 ('C', 'P', 'U', '_')
+
+typedef struct {
+ UINTN Signature;
+
+ EFI_HANDLE DriverHandle;
+ EFI_HII_HANDLE HiiHandle;
+ CPU_VARSTORE_DATA Configuration;
+
+ EFI_HII_CONFIG_ROUTING_PROTOCOL *HiiConfigRouting;
+
+ EFI_HII_CONFIG_ACCESS_PROTOCOL ConfigAccess;
+} CPU_CONFIG_PRIVATE_DATA;
+
+#define CPU_CONFIG_PRIVATE_FROM_THIS(a) CR (a, CPU_CONFIG_PRIVATE_DATA, ConfigAccess, CPU_CONFIG_PRIVATE_SIGNATURE)
+
+#define SUBNUMA_MODE_MONOLITHIC 0x0
+#define SUBNUMA_MODE_HEMISPHERE 0x1
+#define SUBNUMA_MODE_QUADRANT 0x2
+
+#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 /* _CPU_CONFIG_H_ */
diff --git a/Silicon/Ampere/AmpereAltraPkg/Drivers/CpuConfigDxe/NVDataStruc.h b/Silicon/Ampere/AmpereAltraPkg/Drivers/CpuConfigDxe/NVDataStruc.h
new file mode 100644
index 000000000000..0a6835d3ed52
--- /dev/null
+++ b/Silicon/Ampere/AmpereAltraPkg/Drivers/CpuConfigDxe/NVDataStruc.h
@@ -0,0 +1,19 @@
+/** @file
+
+ Copyright (c) 2020, Ampere Computing LLC. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef _CPU_NV_DATA_STRUC_H_
+#define _CPU_NV_DATA_STRUC_H_
+
+#pragma pack(1)
+typedef struct {
+ UINT32 CpuSubNumaMode;
+} CPU_VARSTORE_DATA;
+
+#pragma pack()
+
+#endif /* _CPU_NV_DATA_STRUC_H_ */
diff --git a/Silicon/Ampere/AmpereAltraPkg/Include/Guid/CpuConfigHii.h b/Silicon/Ampere/AmpereAltraPkg/Include/Guid/CpuConfigHii.h
new file mode 100644
index 000000000000..bf9e6e02cce3
--- /dev/null
+++ b/Silicon/Ampere/AmpereAltraPkg/Include/Guid/CpuConfigHii.h
@@ -0,0 +1,19 @@
+/** @file
+
+ Copyright (c) 2020, Ampere Computing LLC. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef _CPU_CONFIG_HII_H_
+#define _CPU_CONFIG_HII_H_
+
+#define CPU_CONFIGURATION_FORMSET_GUID \
+ { \
+ 0x43FAA144, 0xA2DF, 0x4050, { 0xA7, 0xFD, 0xEE, 0x17, 0xC9, 0xB8, 0x88, 0x8E } \
+ }
+
+extern EFI_GUID gCpuConfigFormSetGuid;
+
+#endif /* _CPU_CONFIG_HII_H_ */
diff --git a/Silicon/Ampere/AmpereAltraPkg/Drivers/CpuConfigDxe/Vfr.vfr b/Silicon/Ampere/AmpereAltraPkg/Drivers/CpuConfigDxe/Vfr.vfr
new file mode 100644
index 000000000000..55d2022029e1
--- /dev/null
+++ b/Silicon/Ampere/AmpereAltraPkg/Drivers/CpuConfigDxe/Vfr.vfr
@@ -0,0 +1,43 @@
+/** @file
+
+ Copyright (c) 2020, Ampere Computing LLC. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Uefi/UefiMultiPhase.h>
+#include <Guid/PlatformManagerHii.h>
+#include <Guid/CpuConfigHii.h>
+#include "NVDataStruc.h"
+
+#define SUBNUMA_MODE_FORM_ID 1
+
+formset
+ guid = CPU_CONFIGURATION_FORMSET_GUID,
+ title = STRING_TOKEN(STR_CPU_FORM),
+ help = STRING_TOKEN(STR_CPU_FORM_HELP),
+ classguid = gPlatformManagerFormsetGuid,
+
+ varstore CPU_VARSTORE_DATA,
+ name = CpuConfigNVData,
+ guid = CPU_CONFIGURATION_FORMSET_GUID;
+
+ form
+ formid = SUBNUMA_MODE_FORM_ID,
+ title = STRING_TOKEN(STR_CPU_FORM);
+ subtitle text = STRING_TOKEN(STR_CPU_FORM_HELP);
+
+ oneof
+ varid = CpuConfigNVData.CpuSubNumaMode,
+ prompt = STRING_TOKEN(STR_CPU_SUBNUMA_MODE_PROMPT),
+ help = STRING_TOKEN(STR_CPU_SUBNUMA_MODE_HELP),
+ flags = RESET_REQUIRED,
+ option text = STRING_TOKEN(STR_CPU_SUBNUMA_MODE_MONOLITHIC), value = 0x0, flags = DEFAULT;
+ option text = STRING_TOKEN(STR_CPU_SUBNUMA_MODE_HEMISPHERE), value = 0x1, flags = 0;
+ option text = STRING_TOKEN(STR_CPU_SUBNUMA_MODE_QUADRANT), value = 0x2, flags = 0;
+ endoneof;
+
+ endform;
+
+endformset;
diff --git a/Silicon/Ampere/AmpereAltraPkg/Drivers/CpuConfigDxe/CpuConfigDxe.c b/Silicon/Ampere/AmpereAltraPkg/Drivers/CpuConfigDxe/CpuConfigDxe.c
new file mode 100644
index 000000000000..6f53dc3731ff
--- /dev/null
+++ b/Silicon/Ampere/AmpereAltraPkg/Drivers/CpuConfigDxe/CpuConfigDxe.c
@@ -0,0 +1,505 @@
+/** @file
+
+ Copyright (c) 2020, Ampere Computing LLC. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "CpuConfigDxe.h"
+
+//
+// Default settings definitions
+//
+#define NV_SI_SUBNUMA_MODE_DEFAULT 0x00 /* Monolithic mode */
+#define WA_ERRATUM_1542419_DEFAULT 0x00 /* Disable I-Cache coherency */
+#define NEAR_ATOMIC_DISABLE_DEFAULT 0x00 /* Enable Near Atomic */
+#define CPU_SLC_REPLACE_POLICY 0x00 /* eLRU */
+
+CHAR16 CpuVarstoreDataName[] = L"CpuConfigNVData";
+
+EFI_HANDLE mDriverHandle = NULL;
+CPU_CONFIG_PRIVATE_DATA *mPrivateData = NULL;
+
+HII_VENDOR_DEVICE_PATH mCpuConfigHiiVendorDevicePath = {
+ {
+ {
+ HARDWARE_DEVICE_PATH,
+ HW_VENDOR_DP,
+ {
+ (UINT8) (sizeof (VENDOR_DEVICE_PATH)),
+ (UINT8) ((sizeof (VENDOR_DEVICE_PATH)) >> 8)
+ }
+ },
+ CPU_CONFIGURATION_FORMSET_GUID
+ },
+ {
+ END_DEVICE_PATH_TYPE,
+ END_ENTIRE_DEVICE_PATH_SUBTYPE,
+ {
+ (UINT8) (END_DEVICE_PATH_LENGTH),
+ (UINT8) ((END_DEVICE_PATH_LENGTH) >> 8)
+ }
+ }
+};
+
+STATIC
+EFI_STATUS
+CpuNvParamGet (
+ OUT CPU_VARSTORE_DATA *Configuration
+)
+{
+ EFI_STATUS Status;
+ UINT32 Value;
+
+ ASSERT (Configuration != NULL);
+
+ Status = NVParamGet (
+ NV_SI_SUBNUMA_MODE,
+ NV_PERM_ATF | NV_PERM_BIOS | NV_PERM_MANU | NV_PERM_BMC,
+ &Value
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "%a %d Fail to write NVParam \n", __FUNCTION__, __LINE__));
+ Configuration->CpuSubNumaMode = SUBNUMA_MODE_MONOLITHIC;
+ } else {
+ Configuration->CpuSubNumaMode = Value;
+ }
+
+ return EFI_SUCCESS;
+}
+
+STATIC
+EFI_STATUS
+CpuNvParamSet (
+ IN CPU_VARSTORE_DATA *Configuration
+)
+{
+ EFI_STATUS Status;
+ UINT32 Value;
+
+ ASSERT (Configuration != NULL);
+
+ Status = NVParamGet (
+ NV_SI_SUBNUMA_MODE,
+ NV_PERM_ATF | NV_PERM_BIOS | NV_PERM_MANU | NV_PERM_BMC,
+ &Value
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ if (EFI_ERROR (Status) || Value != Configuration->CpuSubNumaMode) {
+ Status = NVParamSet (
+ NV_SI_SUBNUMA_MODE,
+ NV_PERM_ATF | NV_PERM_BIOS | NV_PERM_MANU | NV_PERM_BMC,
+ NV_PERM_BIOS | NV_PERM_MANU,
+ Configuration->CpuSubNumaMode
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "%a %d Fail to access NVParam \n", __FUNCTION__, __LINE__));
+ ASSERT_EFI_ERROR (Status);
+ return Status;
+ }
+ }
+
+ return EFI_SUCCESS;
+}
+
+STATIC
+EFI_STATUS
+SetupDefaultSettings (VOID)
+{
+ EFI_STATUS Status;
+ UINT32 Value;
+
+ //
+ // Subnuma Mode
+ //
+ Status = NVParamGet (
+ NV_SI_SUBNUMA_MODE,
+ NV_PERM_ATF | NV_PERM_BIOS | NV_PERM_MANU | NV_PERM_BMC,
+ &Value
+ );
+ if (EFI_ERROR (Status)) {
+ Status = NVParamSet (
+ NV_SI_SUBNUMA_MODE,
+ NV_PERM_ATF | NV_PERM_BIOS | NV_PERM_MANU | NV_PERM_BMC,
+ NV_PERM_BIOS | NV_PERM_MANU,
+ NV_SI_SUBNUMA_MODE_DEFAULT
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ }
+
+ //
+ // ARM ERRATA 1542419 workaround
+ //
+ Status = NVParamSet (
+ NV_SI_ERRATUM_1542419_WA,
+ NV_PERM_ATF | NV_PERM_BIOS | NV_PERM_MANU | NV_PERM_BMC,
+ NV_PERM_BIOS | NV_PERM_MANU,
+ WA_ERRATUM_1542419_DEFAULT
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Near atomic
+ //
+ Status = NVParamSet (
+ NV_SI_NEAR_ATOMIC_DISABLE,
+ NV_PERM_ATF | NV_PERM_BIOS | NV_PERM_MANU | NV_PERM_BMC,
+ NV_PERM_BIOS | NV_PERM_MANU,
+ NEAR_ATOMIC_DISABLE_DEFAULT
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // SLC Replacement Policy
+ //
+ Status = NVParamSet (
+ NV_SI_HNF_AUX_CTL_32_63,
+ NV_PERM_ATF | NV_PERM_BIOS | NV_PERM_MANU | NV_PERM_BMC,
+ NV_PERM_BIOS | NV_PERM_MANU,
+ CPU_SLC_REPLACE_POLICY
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ 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
+CpuConfigExtractConfig (
+ 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;
+ CPU_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, &gCpuConfigFormSetGuid, CpuVarstoreDataName)) {
+ return EFI_NOT_FOUND;
+ }
+
+ PrivateData = CPU_CONFIG_PRIVATE_FROM_THIS (This);
+ HiiConfigRouting = PrivateData->HiiConfigRouting;
+
+ //
+ // Get current setting from NVParam.
+ //
+ Status = CpuNvParamGet (&PrivateData->Configuration);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // Convert buffer data to <ConfigResp> by helper function BlockToConfig()
+ //
+ BufferSize = sizeof (CPU_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 (&gCpuConfigFormSetGuid, CpuVarstoreDataName, 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
+CpuConfigRouteConfig (
+ IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
+ IN CONST EFI_STRING Configuration,
+ OUT EFI_STRING *Progress
+ )
+{
+ EFI_STATUS Status;
+ UINTN BufferSize;
+ CPU_CONFIG_PRIVATE_DATA *PrivateData;
+ EFI_HII_CONFIG_ROUTING_PROTOCOL *HiiConfigRouting;
+
+ if (Configuration == NULL || Progress == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ PrivateData = CPU_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, &gCpuConfigFormSetGuid, CpuVarstoreDataName)) {
+ return EFI_NOT_FOUND;
+ }
+
+ //
+ // Get configuration data from NVParam
+ //
+ Status = CpuNvParamGet (&PrivateData->Configuration);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Convert <ConfigResp> to buffer data by helper function ConfigToBlock()
+ //
+ BufferSize = sizeof (CPU_VARSTORE_DATA);
+ Status = HiiConfigRouting->ConfigToBlock (
+ HiiConfigRouting,
+ Configuration,
+ (UINT8 *) &PrivateData->Configuration,
+ &BufferSize,
+ Progress
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Store configuration data back to NVParam
+ //
+ Status = CpuNvParamSet (&PrivateData->Configuration);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ 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
+CpuConfigCallback (
+ 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;
+}
+
+EFI_STATUS
+CpuConfigDxeEntryPoint (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+ EFI_HII_HANDLE HiiHandle;
+ EFI_HII_CONFIG_ROUTING_PROTOCOL *HiiConfigRouting;
+
+ //
+ // Initialize driver private data
+ //
+ mPrivateData = AllocateZeroPool (sizeof (CPU_CONFIG_PRIVATE_DATA));
+ if (mPrivateData == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ mPrivateData->Signature = CPU_CONFIG_PRIVATE_SIGNATURE;
+
+ mPrivateData->ConfigAccess.ExtractConfig = CpuConfigExtractConfig;
+ mPrivateData->ConfigAccess.RouteConfig = CpuConfigRouteConfig;
+ mPrivateData->ConfigAccess.Callback = CpuConfigCallback;
+
+ //
+ // Locate ConfigRouting protocol
+ //
+ Status = gBS->LocateProtocol (&gEfiHiiConfigRoutingProtocolGuid, NULL, (VOID **) &HiiConfigRouting);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ mPrivateData->HiiConfigRouting = HiiConfigRouting;
+
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &mDriverHandle,
+ &gEfiDevicePathProtocolGuid,
+ &mCpuConfigHiiVendorDevicePath,
+ &gEfiHiiConfigAccessProtocolGuid,
+ &mPrivateData->ConfigAccess,
+ NULL
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ mPrivateData->DriverHandle = mDriverHandle;
+
+ //
+ // Publish our HII data
+ //
+ HiiHandle = HiiAddPackages (
+ &gCpuConfigFormSetGuid,
+ mDriverHandle,
+ CpuConfigDxeStrings,
+ VfrBin,
+ NULL
+ );
+ if (HiiHandle == NULL) {
+ gBS->UninstallMultipleProtocolInterfaces (
+ mDriverHandle,
+ &gEfiDevicePathProtocolGuid,
+ &mCpuConfigHiiVendorDevicePath,
+ &gEfiHiiConfigAccessProtocolGuid,
+ &mPrivateData->ConfigAccess,
+ NULL
+ );
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ mPrivateData->HiiHandle = HiiHandle;
+
+ //
+ // With the fresh system, the NVParam value is invalid (0xFFFFFFFF).
+ // It causes reading from the NVParam is failed.
+ // So, the NVParam should be setting with default values if any params is invalid.
+ //
+ Status = SetupDefaultSettings ();
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ return EFI_SUCCESS;
+}
diff --git a/Silicon/Ampere/AmpereAltraPkg/Drivers/CpuConfigDxe/VfrStrings.uni b/Silicon/Ampere/AmpereAltraPkg/Drivers/CpuConfigDxe/VfrStrings.uni
new file mode 100644
index 000000000000..ba92884d1b01
--- /dev/null
+++ b/Silicon/Ampere/AmpereAltraPkg/Drivers/CpuConfigDxe/VfrStrings.uni
@@ -0,0 +1,17 @@
+//
+// Copyright (c) 2020, Ampere Computing LLC. All rights reserved.<BR>
+//
+// SPDX-License-Identifier: BSD-2-Clause-Patent
+//
+
+#langdef en-US "English"
+
+#string STR_CPU_FORM #language en-US "CPU Configuration"
+#string STR_CPU_FORM_HELP #language en-US "CPU Configuration"
+#string STR_CPU_FORM_SEPERATE_LINE #language en-US ""
+
+#string STR_CPU_SUBNUMA_MODE_PROMPT #language en-US "ANC mode"
+#string STR_CPU_SUBNUMA_MODE_HELP #language en-US "Provides 3 modes: Monolithic, Hemisphere, Quadrant. System with Monolithic mode has single NUMA partition per socket. System with Hemisphere has 2 NUMA partitions per socket. System with Quandrant has 4 NUMA partitions per socket"
+#string STR_CPU_SUBNUMA_MODE_MONOLITHIC #language en-US "Monolithic"
+#string STR_CPU_SUBNUMA_MODE_HEMISPHERE #language en-US "Hemisphere"
+#string STR_CPU_SUBNUMA_MODE_QUADRANT #language en-US "Quadrant"
--
2.17.1
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