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- /** @file
- Copyright (c) 2020 - 2021, Ampere Computing LLC. All rights reserved.<BR>
- SPDX-License-Identifier: BSD-2-Clause-Patent
- **/
- #include "AcpiNfit.h"
- #include "AcpiPlatform.h"
- EFI_ACPI_6_3_NFIT_SYSTEM_PHYSICAL_ADDRESS_RANGE_STRUCTURE NfitSPATemplate = {
- EFI_ACPI_6_3_NFIT_SYSTEM_PHYSICAL_ADDRESS_RANGE_STRUCTURE_TYPE,
- sizeof (EFI_ACPI_6_3_NFIT_SYSTEM_PHYSICAL_ADDRESS_RANGE_STRUCTURE),
- 0, // The uniue index - need to be filled.
- 0, // The flags - need to be filled.
- 0, // Reserved.
- 0, // Proximity domain - need to be filled.
- EFI_ACPI_6_3_NFIT_GUID_BYTE_ADDRESSABLE_PERSISTENT_MEMORY_REGION, // PM range type.
- 0, // Start address - need to be filled.
- 0, // Size - need to be filled.
- EFI_MEMORY_UC | EFI_MEMORY_WC | EFI_MEMORY_WT | EFI_MEMORY_WB |
- EFI_MEMORY_WP | EFI_MEMORY_UCE, // attribute - need to be filled.
- };
- EFI_ACPI_6_3_NFIT_NVDIMM_CONTROL_REGION_STRUCTURE NvdimmControlRegionTemplate = {
- EFI_ACPI_6_3_NFIT_NVDIMM_CONTROL_REGION_STRUCTURE_TYPE,
- sizeof (EFI_ACPI_6_3_NFIT_NVDIMM_CONTROL_REGION_STRUCTURE),
- 0, // The unique index - need to be filled.
- 0, // The vendor id - need to be filled.
- 0, // The device id - need to be filled.
- 0, // The revision - need to be filled.
- 0, // The subsystem nvdimm id - need to be filled.
- 0, // The subsystem nvdimm device id - need to be filled.
- 0, // The subsystem revision - need to be filled.
- 0, // The valid field.
- 0, // The manufacturing location - not valid.
- 0, // The manufacturing date - not valid.
- {0}, // Reserved.
- 0, // The serial number - need to be filled.
- 0, // The region format interface code - dummy value.
- 0, // The number of block control windows.
- 0, // The size of block control windows.
- 0, // The Command Register Offset in Block Control Window.
- 0, // The Size of Command Register in Block Control Windows.
- 0, // The Status Register Offset in Block Control Window.
- 0, // Size of Status Register in Block Control Windows.
- 0, // The NVDIMM Control Region Flag.
- {0}, // Reserved.
- };
- EFI_ACPI_6_3_NFIT_NVDIMM_REGION_MAPPING_STRUCTURE NvdimmRegionMappingTemplate = {
- EFI_ACPI_6_3_NFIT_NVDIMM_REGION_MAPPING_STRUCTURE_TYPE,
- sizeof (EFI_ACPI_6_3_NFIT_NVDIMM_REGION_MAPPING_STRUCTURE),
- {0}, // _ADR of the NVDIMM device - need to be filled.
- 0, // Dimm smbios handle index - need to be filled.
- 0, // The unique region index - need to be filled.
- 0, // The SPA range index - need to be filled.
- 0, // The control region index - need to be filled.
- 0, // The region size - need to be filled.
- 0, // The region offset - need to be filled.
- 0, // The region base - need to be filled.
- 0, // The interleave structure index - need to be filled.
- 0, // The interleave ways - need to be filled.
- 0, // NVDIMM flags - need to be filled.
- 0, // Reserved.
- };
- EFI_ACPI_6_3_NVDIMM_FIRMWARE_INTERFACE_TABLE NFITTableHeaderTemplate = {
- __ACPI_HEADER (
- EFI_ACPI_6_3_NVDIMM_FIRMWARE_INTERFACE_TABLE_STRUCTURE_SIGNATURE,
- 0, /* need fill in */
- EFI_ACPI_6_3_NVDIMM_FIRMWARE_INTERFACE_TABLE_REVISION
- ),
- 0x00000000, // Reserved
- };
- NVDIMM_DATA NvdData[PLATFORM_CPU_MAX_SOCKET] = { { 0 } };
- EFI_STATUS
- AcpiNvdInfoInit (
- IN OUT NVDIMM_INFO *NvdInfoPtr,
- IN UINTN NvdId
- )
- {
- PLATFORM_INFO_HOB *PlatformHob;
- VOID *Hob;
- /* Get the Platform HOB */
- Hob = GetFirstGuidHob (&gPlatformInfoHobGuid);
- if (Hob == NULL || NvdInfoPtr == NULL) {
- return EFI_INVALID_PARAMETER;
- }
- PlatformHob = (PLATFORM_INFO_HOB *)GET_GUID_HOB_DATA (Hob);
- NvdInfoPtr->Enabled = TRUE;
- NvdInfoPtr->PhysId = NvdId;
- NvdInfoPtr->NvdSize = PlatformHob->DimmList.Dimm[NvdId].Info.DimmSize * ONE_GB;
- NvdInfoPtr->VendorId =
- *((UINT16 *)&PlatformHob->DimmList.Dimm[NvdId].SpdData.Data[320]);
- NvdInfoPtr->DeviceId =
- *((UINT16 *)&PlatformHob->DimmList.Dimm[NvdId].SpdData.Data[192]);
- NvdInfoPtr->RevisionId =
- (UINT16)PlatformHob->DimmList.Dimm[NvdId].SpdData.Data[349];
- NvdInfoPtr->SubVendorId =
- *((UINT16 *)&PlatformHob->DimmList.Dimm[NvdId].SpdData.Data[194]);
- NvdInfoPtr->SubDeviceId =
- *((UINT16 *)&PlatformHob->DimmList.Dimm[NvdId].SpdData.Data[196]);
- NvdInfoPtr->SubRevisionId =
- (UINT16)PlatformHob->DimmList.Dimm[NvdId].SpdData.Data[198];
- NvdInfoPtr->SerialNumber =
- *((UINT32 *)&PlatformHob->DimmList.Dimm[NvdId].SpdData.Data[325]);
- return EFI_SUCCESS;
- }
- EFI_STATUS
- AcpiNvdDataInit (
- IN UINTN Socket
- )
- {
- PLATFORM_INFO_HOB *PlatformHob;
- NVDIMM_INFO *NvdInfo;
- UINTN Count;
- VOID *Hob;
- UINTN NvdRegionNum, RegionId;
- /* Get the Platform HOB */
- Hob = GetFirstGuidHob (&gPlatformInfoHobGuid);
- if (Hob == NULL) {
- return EFI_INVALID_PARAMETER;
- }
- PlatformHob = (PLATFORM_INFO_HOB *)GET_GUID_HOB_DATA (Hob);
- NvdRegionNum = 0;
- for (Count = 0; Count < PlatformHob->DramInfo.NumRegion; Count++) {
- if (PlatformHob->DramInfo.NvdRegion[Count] != 0
- && (PlatformHob->DramInfo.Socket[Count] == Socket))
- {
- NvdData[Socket].NvdRegionId[NvdRegionNum] = Count;
- NvdRegionNum++;
- }
- }
- if (NvdRegionNum == 0) {
- return EFI_SUCCESS;
- }
- NvdData[Socket].NvdRegionNum = NvdRegionNum;
- NvdData[Socket].NvdMode = PlatformHob->DramInfo.NvdimmMode[Socket];
- if (NvdData[Socket].NvdMode == NvdimmHashed) {
- NvdInfo = &NvdData[Socket].NvdInfo[NVDIMM_SK0];
- NvdInfo->DeviceHandle =
- (Socket == 0) ? AC01_NVDIMM_NVD1_DEVICE_HANDLE :
- AC01_NVDIMM_NVD3_DEVICE_HANDLE;
- NvdInfo->InterleaveWays = AC01_NVDIMM_HASHED_INTERLEAVE_WAYS;
- NvdInfo->RegionOffset = 0;
- AcpiNvdInfoInit (
- NvdInfo,
- (Socket == 0) ? AC01_NVDIMM_NVD1_DIMM_ID :
- AC01_NVDIMM_NVD3_DIMM_ID
- );
- NvdInfo = &NvdData[Socket].NvdInfo[1];
- NvdInfo->DeviceHandle =
- (Socket == 0) ? AC01_NVDIMM_NVD2_DEVICE_HANDLE :
- AC01_NVDIMM_NVD4_DEVICE_HANDLE;
- NvdInfo->InterleaveWays = AC01_NVDIMM_HASHED_INTERLEAVE_WAYS;
- NvdInfo->RegionOffset = AC01_NVDIMM_HASHED_REGION_OFFSET;
- AcpiNvdInfoInit (
- NvdInfo,
- (Socket == 0) ? AC01_NVDIMM_NVD2_DIMM_ID :
- AC01_NVDIMM_NVD4_DIMM_ID
- );
- /* Update NvdNum */
- NvdData[Socket].NvdNum = 0;
- for (Count = 0; Count < NVDIMM_NUM_PER_SK; Count++) {
- if (NvdData[Socket].NvdInfo[Count].Enabled) {
- NvdData[Socket].NvdNum++;
- }
- }
- return EFI_SUCCESS;
- }
- /* NvdimmNonHashed */
- NvdData[Socket].NvdNum = 0;
- for (Count = 0; Count < NvdData[Socket].NvdRegionNum; Count++) {
- RegionId = NvdData[Socket].NvdRegionId[Count];
- if (PlatformHob->DramInfo.Base[RegionId] ==
- AC01_NVDIMM_SK0_NHASHED_REGION0_BASE ||
- PlatformHob->DramInfo.Base[RegionId] ==
- AC01_NVDIMM_SK1_NHASHED_REGION0_BASE)
- {
- NvdInfo = &NvdData[Socket].NvdInfo[0];
- NvdInfo->DeviceHandle =
- (Socket == 0) ? AC01_NVDIMM_NVD1_DEVICE_HANDLE :
- AC01_NVDIMM_NVD3_DEVICE_HANDLE;
- NvdInfo->InterleaveWays = AC01_NVDIMM_NHASHED_INTERLEAVE_WAYS;
- NvdInfo->RegionOffset = 0;
- AcpiNvdInfoInit (
- NvdInfo,
- (Socket == 0) ? AC01_NVDIMM_NVD1_DIMM_ID :
- AC01_NVDIMM_NVD3_DIMM_ID
- );
- } else if (PlatformHob->DramInfo.Base[RegionId] ==
- AC01_NVDIMM_SK0_NHASHED_REGION1_BASE ||
- PlatformHob->DramInfo.Base[RegionId] ==
- AC01_NVDIMM_SK1_NHASHED_REGION1_BASE)
- {
- NvdInfo = &NvdData[Socket].NvdInfo[1];
- NvdInfo->DeviceHandle =
- (Socket == 0) ? AC01_NVDIMM_NVD2_DEVICE_HANDLE :
- AC01_NVDIMM_NVD4_DEVICE_HANDLE;
- NvdInfo->InterleaveWays = AC01_NVDIMM_NHASHED_INTERLEAVE_WAYS;
- NvdInfo->RegionOffset = 0;
- AcpiNvdInfoInit (
- NvdInfo,
- (Socket == 0) ? AC01_NVDIMM_NVD2_DIMM_ID :
- AC01_NVDIMM_NVD4_DIMM_ID
- );
- }
- }
- /* Update NvdNum */
- NvdData[Socket].NvdNum = 0;
- for (Count = 0; Count < NVDIMM_NUM_PER_SK; Count++) {
- if (NvdData[Socket].NvdInfo[Count].Enabled) {
- NvdData[Socket].NvdNum++;
- }
- }
- return EFI_SUCCESS;
- }
- /*
- * Fill in SPA structure
- */
- VOID
- AcpiNfitFillSPA (
- IN OUT EFI_ACPI_6_3_NFIT_SYSTEM_PHYSICAL_ADDRESS_RANGE_STRUCTURE *NfitSpaPointer,
- IN UINTN NvdRegionIndex,
- IN UINT64 NvdRegionBase,
- IN UINT64 NvdRegionSize
- )
- {
- ASSERT (NfitSpaPointer != NULL);
- NfitSpaPointer->Flags = 0;
- NfitSpaPointer->SPARangeStructureIndex = NvdRegionIndex;
- NfitSpaPointer->SystemPhysicalAddressRangeBase = NvdRegionBase;
- NfitSpaPointer->SystemPhysicalAddressRangeLength = NvdRegionSize;
- }
- VOID
- NfitFillControlRegion (
- IN OUT EFI_ACPI_6_3_NFIT_NVDIMM_CONTROL_REGION_STRUCTURE *NfitControlRegionPointer,
- IN NVDIMM_INFO *NvdInfo,
- IN UINTN NvdControlRegionIndex
- )
- {
- ASSERT (
- NfitControlRegionPointer != NULL
- && NvdInfo != NULL
- );
- NfitControlRegionPointer->NVDIMMControlRegionStructureIndex =
- NvdControlRegionIndex;
- NfitControlRegionPointer->VendorID = NvdInfo->VendorId;
- NfitControlRegionPointer->DeviceID = NvdInfo->DeviceId;
- NfitControlRegionPointer->RevisionID = NvdInfo->RevisionId;
- NfitControlRegionPointer->SubsystemVendorID = NvdInfo->SubVendorId;
- NfitControlRegionPointer->SubsystemDeviceID = NvdInfo->SubDeviceId;
- NfitControlRegionPointer->SubsystemRevisionID = NvdInfo->SubRevisionId;
- NfitControlRegionPointer->SerialNumber = NvdInfo->SerialNumber;
- }
- VOID
- NfitFillRegionMapping (
- IN OUT EFI_ACPI_6_3_NFIT_NVDIMM_REGION_MAPPING_STRUCTURE *NfitRegionMappingPointer,
- IN EFI_ACPI_6_3_NFIT_NVDIMM_CONTROL_REGION_STRUCTURE *NfitControlRegionPointer,
- IN EFI_ACPI_6_3_NFIT_SYSTEM_PHYSICAL_ADDRESS_RANGE_STRUCTURE *NfitSpaPointer,
- IN NVDIMM_INFO *NvdInfo,
- IN UINTN NvdRegionID
- )
- {
- ASSERT (
- NfitRegionMappingPointer != NULL
- && NfitRegionMappingPointer != NULL
- && NfitRegionMappingPointer != NULL
- && NfitRegionMappingPointer != NULL
- && NvdInfo != NULL
- );
- NfitRegionMappingPointer->NVDIMMRegionID = NvdRegionID;
- NfitRegionMappingPointer->NVDIMMPhysicalID = NvdInfo->PhysId;
- NfitRegionMappingPointer->InterleaveWays = NvdInfo->InterleaveWays;
- NfitRegionMappingPointer->RegionOffset = NvdInfo->RegionOffset;
- NfitRegionMappingPointer->NVDIMMRegionSize = NvdInfo->NvdSize;
- NfitRegionMappingPointer->NFITDeviceHandle.DIMMNumber =
- NvdInfo->DeviceHandle & 0x0F;
- NfitRegionMappingPointer->NFITDeviceHandle.MemoryChannelNumber =
- (NvdInfo->DeviceHandle >> 4) & 0x0F;
- NfitRegionMappingPointer->NFITDeviceHandle.MemoryControllerID =
- (NvdInfo->DeviceHandle >> 8) & 0x0F;
- NfitRegionMappingPointer->NFITDeviceHandle.SocketID =
- (NvdInfo->DeviceHandle >> 12) & 0x0F;
- NfitRegionMappingPointer->SPARangeStructureIndex =
- NfitSpaPointer->SPARangeStructureIndex;
- NfitRegionMappingPointer->NVDIMMPhysicalAddressRegionBase =
- NfitSpaPointer->SystemPhysicalAddressRangeBase;
- NfitRegionMappingPointer->NVDIMMControlRegionStructureIndex =
- NfitControlRegionPointer->NVDIMMControlRegionStructureIndex;
- }
- EFI_STATUS
- AcpiNfitFillTableBySK (
- IN EFI_ACPI_6_3_NFIT_SYSTEM_PHYSICAL_ADDRESS_RANGE_STRUCTURE *NfitSpaPointerStart,
- IN OUT EFI_ACPI_6_3_NFIT_SYSTEM_PHYSICAL_ADDRESS_RANGE_STRUCTURE **NfitSpaPointerNext,
- IN UINTN Socket
- )
- {
- EFI_ACPI_6_3_NFIT_SYSTEM_PHYSICAL_ADDRESS_RANGE_STRUCTURE *NfitSpaPointer;
- EFI_ACPI_6_3_NFIT_NVDIMM_CONTROL_REGION_STRUCTURE *NfitControlRegionPointer;
- EFI_ACPI_6_3_NFIT_NVDIMM_REGION_MAPPING_STRUCTURE *NfitRegionMappingPointer;
- PLATFORM_INFO_HOB *PlatformHob;
- VOID *Hob;
- UINT64 NvdRegionBase,
- NvdRegionSize;
- UINTN NvdCount, MaxNvdCount, RegionCount;
- UINTN RegionId, NvdRegionIndex, NvdIndex;
- /* Get the Platform HOB */
- Hob = GetFirstGuidHob (&gPlatformInfoHobGuid);
- if (Hob == NULL
- || NfitSpaPointerStart == NULL
- || NfitSpaPointerNext == NULL)
- {
- return EFI_INVALID_PARAMETER;
- }
- PlatformHob = (PLATFORM_INFO_HOB *)GET_GUID_HOB_DATA (Hob);
- NvdRegionIndex = (Socket == 0) ? 0 : NvdData[NVDIMM_SK0].NvdRegionNum;
- NvdIndex = (Socket == 0) ? 0 : NvdData[NVDIMM_SK0].NvdNum;
- if (NvdData[Socket].NvdMode == NvdimmHashed) {
- /* Table Type 0: SPA Range Structure */
- NfitSpaPointer = NfitSpaPointerStart;
- CopyMem (
- (VOID *)NfitSpaPointer,
- (VOID *)&NfitSPATemplate,
- sizeof (NfitSPATemplate)
- );
- RegionId = NvdData[Socket].NvdRegionId[0];
- NvdRegionBase = PlatformHob->DramInfo.Base[RegionId];
- NvdRegionSize = PlatformHob->DramInfo.Size[RegionId];
- NvdRegionIndex++;
- AcpiNfitFillSPA (
- NfitSpaPointer,
- NvdRegionIndex,
- NvdRegionBase,
- NvdRegionSize
- );
- NfitControlRegionPointer =
- (EFI_ACPI_6_3_NFIT_NVDIMM_CONTROL_REGION_STRUCTURE *)
- (NfitSpaPointer + 1);
- for (NvdCount = 0; NvdCount < NVDIMM_NUM_PER_SK; NvdCount++) {
- if (!NvdData[Socket].NvdInfo[NvdCount].Enabled) {
- continue;
- }
- NvdIndex++;
- /* Table Type 4: NVDIMM Control Region Structure Mark */
- CopyMem (
- (VOID *)NfitControlRegionPointer,
- (VOID *)&NvdimmControlRegionTemplate,
- sizeof (NvdimmControlRegionTemplate)
- );
- NfitFillControlRegion (
- NfitControlRegionPointer,
- &NvdData[Socket].NvdInfo[NvdCount],
- NvdIndex
- );
- NfitRegionMappingPointer =
- (EFI_ACPI_6_3_NFIT_NVDIMM_REGION_MAPPING_STRUCTURE *)
- (NfitControlRegionPointer + 1);
- /* Table Type 1: NVDIMM Region Mapping Structure */
- CopyMem (
- (VOID *)NfitRegionMappingPointer,
- (VOID *)&NvdimmRegionMappingTemplate,
- sizeof (NvdimmRegionMappingTemplate)
- );
- NfitFillRegionMapping (
- NfitRegionMappingPointer,
- NfitControlRegionPointer,
- NfitSpaPointer,
- &NvdData[Socket].NvdInfo[NvdCount],
- NvdIndex - 1
- );
- NfitControlRegionPointer =
- (EFI_ACPI_6_3_NFIT_NVDIMM_CONTROL_REGION_STRUCTURE *)
- (NfitRegionMappingPointer + 1);
- }
- NfitSpaPointer =
- (EFI_ACPI_6_3_NFIT_SYSTEM_PHYSICAL_ADDRESS_RANGE_STRUCTURE *)
- NfitControlRegionPointer;
- } else { /* NvdimmNonHashed */
- NfitSpaPointer = NfitSpaPointerStart;
- for (RegionCount = 0; RegionCount < NvdData[Socket].NvdRegionNum;
- RegionCount++)
- {
- /* Table Type 0: SPA Range Structure */
- CopyMem (
- (VOID *)NfitSpaPointer,
- (VOID *)&NfitSPATemplate,
- sizeof (NfitSPATemplate)
- );
- RegionId = NvdData[Socket].NvdRegionId[RegionCount];
- NvdRegionBase = PlatformHob->DramInfo.Base[RegionId];
- NvdRegionSize = PlatformHob->DramInfo.Size[RegionId];
- NvdRegionIndex++;
- AcpiNfitFillSPA (
- NfitSpaPointer,
- NvdRegionIndex,
- NvdRegionBase,
- NvdRegionSize
- );
- NfitControlRegionPointer =
- (EFI_ACPI_6_3_NFIT_NVDIMM_CONTROL_REGION_STRUCTURE *)
- (NfitSpaPointer + 1);
- NvdCount = ((NvdRegionBase == AC01_NVDIMM_SK0_NHASHED_REGION0_BASE) ||
- (NvdRegionBase == AC01_NVDIMM_SK1_NHASHED_REGION0_BASE)) ?
- 0 : AC01_NVDIMM_MAX_DIMM_PER_MCU;
- MaxNvdCount = NvdCount + AC01_NVDIMM_MAX_DIMM_PER_MCU;
- for (; NvdCount < MaxNvdCount; NvdCount++) {
- if (!NvdData[Socket].NvdInfo[NvdCount].Enabled) {
- continue;
- }
- NvdIndex++;
- /* Table Type 4: NVDIMM Control Region Structure Mark */
- CopyMem (
- (VOID *)NfitControlRegionPointer,
- (VOID *)&NvdimmControlRegionTemplate,
- sizeof (NvdimmControlRegionTemplate)
- );
- NfitFillControlRegion (
- NfitControlRegionPointer,
- &NvdData[Socket].NvdInfo[NvdCount],
- NvdIndex
- );
- NfitRegionMappingPointer =
- (EFI_ACPI_6_3_NFIT_NVDIMM_REGION_MAPPING_STRUCTURE *)
- (NfitControlRegionPointer + 1);
- /* Table Type 1: NVDIMM Region Mapping Structure */
- CopyMem (
- (VOID *)NfitRegionMappingPointer,
- (VOID *)&NvdimmRegionMappingTemplate,
- sizeof (NvdimmRegionMappingTemplate)
- );
- NfitFillRegionMapping (
- NfitRegionMappingPointer,
- NfitControlRegionPointer,
- NfitSpaPointer,
- &NvdData[Socket].NvdInfo[NvdCount],
- NvdIndex - 1
- );
- NfitControlRegionPointer =
- (EFI_ACPI_6_3_NFIT_NVDIMM_CONTROL_REGION_STRUCTURE *)
- (NfitRegionMappingPointer + 1);
- }
- NfitSpaPointer =
- (EFI_ACPI_6_3_NFIT_SYSTEM_PHYSICAL_ADDRESS_RANGE_STRUCTURE *)
- NfitControlRegionPointer;
- }
- }
- /* Update NfitSpaPointerNext */
- *NfitSpaPointerNext = NfitSpaPointer;
- return EFI_SUCCESS;
- }
- EFI_STATUS
- AcpiNfitFillTable (
- IN EFI_ACPI_6_3_NVDIMM_FIRMWARE_INTERFACE_TABLE *NfitTablePointer
- )
- {
- EFI_ACPI_6_3_NFIT_SYSTEM_PHYSICAL_ADDRESS_RANGE_STRUCTURE *NfitSpaPointerNext;
- if (NfitTablePointer == NULL) {
- return EFI_INVALID_PARAMETER;
- }
- NfitSpaPointerNext = (EFI_ACPI_6_3_NFIT_SYSTEM_PHYSICAL_ADDRESS_RANGE_STRUCTURE *)
- (NfitTablePointer + 1);
- if (NvdData[NVDIMM_SK0].NvdRegionNum != 0) {
- AcpiNfitFillTableBySK (NfitSpaPointerNext, &NfitSpaPointerNext, NVDIMM_SK0);
- }
- if (NvdData[NVDIMM_SK1].NvdRegionNum != 0) {
- AcpiNfitFillTableBySK (NfitSpaPointerNext, &NfitSpaPointerNext, NVDIMM_SK1);
- }
- return EFI_SUCCESS;
- }
- /*
- * Install NFIT table.
- */
- EFI_STATUS
- AcpiInstallNfitTable (
- VOID
- )
- {
- EFI_ACPI_6_3_NVDIMM_FIRMWARE_INTERFACE_TABLE *NfitTablePointer;
- EFI_ACPI_TABLE_PROTOCOL *AcpiTableProtocol;
- UINTN NfitTableKey = 0;
- EFI_STATUS Status;
- UINTN Size;
- UINTN NvdRegionNum;
- Status = gBS->LocateProtocol (
- &gEfiAcpiTableProtocolGuid,
- NULL,
- (VOID **)&AcpiTableProtocol
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
- Status = AcpiNvdDataInit (NVDIMM_SK0);
- if (EFI_ERROR (Status)) {
- return Status;
- }
- Status = AcpiNvdDataInit (NVDIMM_SK1);
- if (EFI_ERROR (Status)) {
- return Status;
- }
- NvdRegionNum = NvdData[NVDIMM_SK0].NvdRegionNum +
- NvdData[NVDIMM_SK1].NvdRegionNum;
- if (NvdRegionNum == 0) {
- return EFI_INVALID_PARAMETER; /* No NVDIMM Region */
- }
- Size = sizeof (EFI_ACPI_6_3_NVDIMM_FIRMWARE_INTERFACE_TABLE);
- if (NvdData[NVDIMM_SK0].NvdRegionNum != 0) {
- Size +=
- (sizeof (EFI_ACPI_6_3_NFIT_SYSTEM_PHYSICAL_ADDRESS_RANGE_STRUCTURE) *
- NvdData[NVDIMM_SK0].NvdRegionNum) +
- (sizeof (EFI_ACPI_6_3_NFIT_NVDIMM_CONTROL_REGION_STRUCTURE) *
- NvdData[NVDIMM_SK0].NvdNum) +
- (sizeof (EFI_ACPI_6_3_NFIT_NVDIMM_REGION_MAPPING_STRUCTURE) *
- NvdData[NVDIMM_SK0].NvdNum);
- }
- if (NvdData[NVDIMM_SK1].NvdRegionNum != 0) {
- Size +=
- (sizeof (EFI_ACPI_6_3_NFIT_SYSTEM_PHYSICAL_ADDRESS_RANGE_STRUCTURE) *
- NvdData[NVDIMM_SK1].NvdRegionNum) +
- (sizeof (EFI_ACPI_6_3_NFIT_NVDIMM_CONTROL_REGION_STRUCTURE) *
- NvdData[NVDIMM_SK1].NvdNum) +
- (sizeof (EFI_ACPI_6_3_NFIT_NVDIMM_REGION_MAPPING_STRUCTURE) *
- NvdData[NVDIMM_SK1].NvdNum);
- }
- NfitTablePointer =
- (EFI_ACPI_6_3_NVDIMM_FIRMWARE_INTERFACE_TABLE *)AllocateZeroPool (Size);
- if (NfitTablePointer == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
- CopyMem (
- (VOID *)NfitTablePointer,
- (VOID *)&NFITTableHeaderTemplate,
- sizeof (NFITTableHeaderTemplate)
- );
- NfitTablePointer->Header.Length = Size;
- Status = AcpiNfitFillTable (NfitTablePointer);
- if (EFI_ERROR (Status)) {
- FreePool ((VOID *)NfitTablePointer);
- return Status;
- }
- AcpiUpdateChecksum ((UINT8 *)NfitTablePointer, NfitTablePointer->Header.Length);
- Status = AcpiTableProtocol->InstallAcpiTable (
- AcpiTableProtocol,
- (VOID *)NfitTablePointer,
- NfitTablePointer->Header.Length,
- &NfitTableKey
- );
- if (EFI_ERROR (Status)) {
- FreePool ((VOID *)NfitTablePointer);
- }
- return Status;
- }
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