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- /*++
- Copyright (c) 2006 - 2020, Intel Corporation. All rights reserved.<BR>
- SPDX-License-Identifier: BSD-2-Clause-Patent
- Module Name:
- MiscMemoryDeviceFunction.c
- Abstract:
- Memory Device
- Misc. subclass type 17.
- SMBIOS type 17.
- --*/
- #include "CommonHeader.h"
- #include "MiscSubclassDriver.h"
- #include <Protocol/MemInfo.h>
- #define FREQ_800 0x00
- #define FREQ_1066 0x01
- #define FREQ_1333 0x02
- #define FREQ_1600 0x03
- #define MAX_SOCKETS 2
- #define EfiMemoryTypeDdr3 0x18
- enum {
- DDRType_DDR3 = 0,
- DDRType_DDR3L = 1,
- DDRType_DDR3U = 2,
- DDRType_DDR3All = 3,
- DDRType_LPDDR2 = 4,
- DDRType_LPDDR3 = 5,
- DDRType_DDR4 = 6
- };
- /**
- This function makes boot time changes to the contents of the
- MiscBiosVendor (Type 0).
- @param RecordData Pointer to copy of RecordData from the Data Table.
- @retval EFI_SUCCESS All parameters were valid.
- @retval EFI_UNSUPPORTED Unexpected RecordType value.
- @retval EFI_INVALID_PARAMETER Invalid parameter was found.
- **/
- VOID
- GetType16Hndl (
- IN EFI_SMBIOS_PROTOCOL *Smbios,
- OUT EFI_SMBIOS_HANDLE *Handle
- )
- {
- EFI_STATUS Status;
- EFI_SMBIOS_TYPE RecordType;
- EFI_SMBIOS_TABLE_HEADER *Buffer;
- *Handle = 0;
- RecordType = EFI_SMBIOS_TYPE_PHYSICAL_MEMORY_ARRAY;
- Status = Smbios->GetNext (
- Smbios,
- Handle,
- &RecordType,
- &Buffer,
- NULL
- );
- if (!EFI_ERROR(Status)) {
- return;
- }
- *Handle = 0xFFFF;
- }
- MISC_SMBIOS_TABLE_FUNCTION( MiscMemoryDevice )
- {
- CHAR8 *OptionalStrStart;
- UINTN OptionalStrSize;
- UINTN MemDeviceStrLen;
- UINTN MemBankLocatorStrLen;
- UINTN MemManufacturerStrLen;
- UINTN MemSerialNumberStrLen;
- UINTN MemAssetTagStrLen;
- UINTN MemPartNumberStrLen;
- CHAR16 *MemDevice;
- CHAR16 *MemBankLocator;
- CHAR16 *MemManufacturer;
- CHAR16 *MemSerialNumber;
- CHAR16 *MemAssetTag;
- CHAR16 *MemPartNumber;
- EFI_STATUS Status;
- STRING_REF TokenToGet;
- SMBIOS_TABLE_TYPE17 *SmbiosRecord;
- SMBIOS_TABLE_TYPE19 *SmbiosRecord19;
- EFI_SMBIOS_HANDLE SmbiosHandle;
- EFI_MEMORY_ARRAY_LINK_DATA *ForType17InputData;
- UINT16 DdrFreq=0;
- UINT16 Type16Handle=0;
- MEM_INFO_PROTOCOL *MemInfoHob;
- UINT8 MemoryType;
- UINT8 Dimm;
- UINT8 NumSlots;
- UINT64 TotalMemorySize;
- STRING_REF DevLocator[] = {
- STRING_TOKEN(STR_MISC_MEM_DEV_LOCATOR0), STRING_TOKEN(STR_MISC_MEM_DEV_LOCATOR1)
- };
- STRING_REF BankLocator[] = {
- STRING_TOKEN(STR_MISC_MEM_BANK_LOCATOR0), STRING_TOKEN(STR_MISC_MEM_BANK_LOCATOR1)
- };
- //
- // First check for invalid parameters.
- //
- if (RecordData == NULL) {
- return EFI_INVALID_PARAMETER;
- }
- ForType17InputData = (EFI_MEMORY_ARRAY_LINK_DATA *)RecordData;
- //
- // Get Memory size parameters for each rank from the chipset registers
- //
- Status = gBS->LocateProtocol (
- &gMemInfoProtocolGuid,
- NULL,
- (void **)&MemInfoHob
- );
- ASSERT_EFI_ERROR (Status);
- NumSlots = (UINT8)(MAX_SOCKETS);
- //
- // Memory Freq
- //
- switch (MemInfoHob->MemInfoData.ddrFreq){
- case FREQ_800:
- DdrFreq = 800;
- break;
- case FREQ_1066:
- DdrFreq = 1066;
- break;
- case FREQ_1333:
- DdrFreq = 1333;
- break;
- case FREQ_1600:
- DdrFreq = 1600;
- break;
- default:
- DdrFreq = 0;
- break;
- }
- //
- // Memory Type
- //
- switch (MemInfoHob->MemInfoData.ddrType) {
- case DDRType_LPDDR2:
- MemoryType = EfiMemoryTypeDdr2;
- break;
- case DDRType_DDR3:
- case DDRType_DDR3L:
- case DDRType_DDR3U:
- case DDRType_LPDDR3:
- MemoryType = EfiMemoryTypeDdr3;
- break;
- default:
- MemoryType = EfiMemoryTypeUnknown;
- break;
- }
- GetType16Hndl( Smbios, &Type16Handle);
- TotalMemorySize = 0;
- for (Dimm = 0; Dimm < NumSlots; Dimm++) {
- //
- // Memory Device Locator
- //
- TokenToGet = DevLocator[Dimm];
- MemDevice = SmbiosMiscGetString (TokenToGet);
- MemDeviceStrLen = StrLen(MemDevice);
- if (MemDeviceStrLen > SMBIOS_STRING_MAX_LENGTH) {
- return EFI_UNSUPPORTED;
- }
- TokenToGet = DevLocator[Dimm];
- MemDevice = SmbiosMiscGetString (TokenToGet);
- MemDeviceStrLen = StrLen(MemDevice);
- if (MemDeviceStrLen > SMBIOS_STRING_MAX_LENGTH) {
- return EFI_UNSUPPORTED;
- }
- //
- // Memory Bank Locator
- //
- TokenToGet = BankLocator[Dimm];
- MemBankLocator = SmbiosMiscGetString (TokenToGet);
- MemBankLocatorStrLen = StrLen(MemBankLocator);
- if (MemBankLocatorStrLen > SMBIOS_STRING_MAX_LENGTH) {
- return EFI_UNSUPPORTED;
- }
- //
- // Memory Manufacturer
- //
- TokenToGet = STRING_TOKEN (STR_MISC_MEM_MANUFACTURER);
- MemManufacturer = SmbiosMiscGetString (TokenToGet);
- MemManufacturerStrLen = StrLen(MemManufacturer);
- if (MemManufacturerStrLen > SMBIOS_STRING_MAX_LENGTH) {
- return EFI_UNSUPPORTED;
- }
- //
- // Memory Serial Number
- //
- TokenToGet = STRING_TOKEN (STR_MISC_MEM_SERIAL_NO);
- MemSerialNumber = SmbiosMiscGetString (TokenToGet);
- MemSerialNumberStrLen = StrLen(MemSerialNumber);
- if (MemSerialNumberStrLen > SMBIOS_STRING_MAX_LENGTH) {
- return EFI_UNSUPPORTED;
- }
- //
- // Memory Asset Tag Number
- //
- TokenToGet = STRING_TOKEN (STR_MISC_MEM_ASSET_TAG);
- MemAssetTag = SmbiosMiscGetString (TokenToGet);
- MemAssetTagStrLen = StrLen(MemAssetTag);
- if (MemAssetTagStrLen > SMBIOS_STRING_MAX_LENGTH) {
- return EFI_UNSUPPORTED;
- }
- //
- // Memory Part Number
- //
- TokenToGet = STRING_TOKEN (STR_MISC_MEM_PART_NUMBER);
- MemPartNumber = SmbiosMiscGetString (TokenToGet);
- MemPartNumberStrLen = StrLen(MemPartNumber);
- if (MemPartNumberStrLen > SMBIOS_STRING_MAX_LENGTH) {
- return EFI_UNSUPPORTED;
- }
- //
- // Two zeros following the last string.
- //
- OptionalStrSize = MemDeviceStrLen + 1 + MemBankLocatorStrLen + 1 + MemManufacturerStrLen + 1 + MemSerialNumberStrLen + 1 + MemAssetTagStrLen+1 + MemPartNumberStrLen + 1 + 1;
- SmbiosRecord = AllocatePool(sizeof (SMBIOS_TABLE_TYPE17) + OptionalStrSize);
- ZeroMem(SmbiosRecord, sizeof (SMBIOS_TABLE_TYPE17) + OptionalStrSize);
- SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_MEMORY_DEVICE;
- SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE17);
- //
- // Make handle chosen by smbios protocol.add automatically.
- //
- SmbiosRecord->Hdr.Handle = 0;
- //
- // Memory Array Handle will be the 3rd optional string following the formatted structure.
- //
- SmbiosRecord->MemoryArrayHandle = Type16Handle;
- //
- // Memory Size
- //
- if ((MemInfoHob->MemInfoData.dimmSize[Dimm])!=0){
- SmbiosRecord->TotalWidth = 32;
- SmbiosRecord->DataWidth = 32;
- SmbiosRecord->Size = MemInfoHob->MemInfoData.dimmSize[Dimm];
- SmbiosRecord->Speed = DdrFreq;
- SmbiosRecord->ConfiguredMemoryClockSpeed = DdrFreq;
- SmbiosRecord->FormFactor = EfiMemoryFormFactorDimm;
- }
- SmbiosRecord->DeviceSet =(UINT8) ForType17InputData->MemoryDeviceSet;
- SmbiosRecord->DeviceLocator= 1;
- SmbiosRecord->BankLocator = 2;
- SmbiosRecord->Manufacturer = 3;
- SmbiosRecord->SerialNumber= 4;
- SmbiosRecord->AssetTag= 5;
- SmbiosRecord->PartNumber= 6;
- SmbiosRecord->Attributes = (UINT8) ForType17InputData->MemoryState;
- SmbiosRecord->MemoryType = MemoryType;
- OptionalStrStart = (CHAR8 *)(SmbiosRecord + 1);
- UnicodeStrToAsciiStrS (MemDevice, OptionalStrStart, OptionalStrSize);
- OptionalStrStart += (MemDeviceStrLen + 1);
- OptionalStrSize -= (MemDeviceStrLen + 1);
- UnicodeStrToAsciiStrS (MemBankLocator, OptionalStrStart, OptionalStrSize);
- OptionalStrStart += (MemBankLocatorStrLen + 1);
- OptionalStrSize -= (MemBankLocatorStrLen + 1);
- UnicodeStrToAsciiStrS (MemManufacturer, OptionalStrStart, OptionalStrSize);
- OptionalStrStart += (MemManufacturerStrLen + 1);
- OptionalStrSize -= (MemManufacturerStrLen + 1);
- UnicodeStrToAsciiStrS (MemSerialNumber, OptionalStrStart, OptionalStrSize);
- OptionalStrStart += (MemSerialNumberStrLen + 1);
- OptionalStrSize -= (MemSerialNumberStrLen + 1);
- UnicodeStrToAsciiStrS (MemAssetTag, OptionalStrStart, OptionalStrSize);
- OptionalStrStart += (MemAssetTagStrLen + 1);
- OptionalStrSize -= (MemAssetTagStrLen + 1);
- UnicodeStrToAsciiStrS (MemPartNumber, OptionalStrStart, OptionalStrSize);
- //
- // Now we have got the full smbios record, call smbios protocol to add this record.
- //
- SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;
- Status = Smbios-> Add(
- Smbios,
- NULL,
- &SmbiosHandle,
- (EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord
- );
- if ((SmbiosRecord->Size & BIT15) != 0) {
- //
- // Size is in KB
- //
- TotalMemorySize = TotalMemorySize + LShiftU64 (SmbiosRecord->Size, 10);
- } else {
- //
- // Size is in MB
- //
- TotalMemorySize = TotalMemorySize + LShiftU64 (SmbiosRecord->Size, 20);
- }
- FreePool(SmbiosRecord);
- }
- //
- // Allocate and zero SMBIOS TYPE 19 Record
- //
- SmbiosRecord19 = AllocateZeroPool (sizeof (SMBIOS_TABLE_TYPE19));
- ASSERT (SmbiosRecord19 != NULL);
- //
- // Fill in SMBIOS type 19 information
- //
- SmbiosRecord19->Hdr.Type = SMBIOS_TYPE_MEMORY_ARRAY_MAPPED_ADDRESS;
- SmbiosRecord19->Hdr.Length = (UINT8) sizeof (SMBIOS_TABLE_TYPE19);
- SmbiosRecord19->Hdr.Handle = 0;
- SmbiosRecord19->MemoryArrayHandle = Type16Handle;
- SmbiosRecord19->PartitionWidth = NumSlots;
- if (TotalMemorySize <= SIZE_4TB) {
- SmbiosRecord19->StartingAddress = 0x0;
- //
- // Convert bytes to KB
- //
- SmbiosRecord19->EndingAddress = (UINT32)RShiftU64 (TotalMemorySize, 10) - 1;
- SmbiosRecord19->ExtendedStartingAddress = 0;
- SmbiosRecord19->ExtendedEndingAddress = 0;
- } else {
- SmbiosRecord19->StartingAddress = 0xffffffff;
- SmbiosRecord19->EndingAddress = 0xffffffff;
- SmbiosRecord19->ExtendedStartingAddress = 0;
- SmbiosRecord19->ExtendedEndingAddress = TotalMemorySize - 1;
- }
- //
- // Add SMBIOS type 19 record to SMBIOS table.
- //
- SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;
- Smbios->Add(
- Smbios,
- NULL,
- &SmbiosHandle,
- (EFI_SMBIOS_TABLE_HEADER *)SmbiosRecord19
- );
- return Status;
- }
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