/** @file
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Smbios type 3.
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Copyright (c) 2018 - 2019, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include "SmbiosBasic.h"
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/**
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This function makes boot time changes to the contents of the
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ChassisManufacturer (Type 3).
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@retval EFI_SUCCESS All parameters were valid.
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@retval EFI_UNSUPPORTED Unexpected RecordType value.
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@retval EFI_INVALID_PARAMETER Invalid parameter was found.
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**/
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EFI_STATUS
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EFIAPI
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ChassisManufacturerFunction(
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IN EFI_SMBIOS_PROTOCOL *Smbios
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)
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{
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UINTN ManuStrLen;
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UINTN VerStrLen;
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UINTN AssertTagStrLen;
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UINTN SerialNumStrLen;
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UINTN SKUNumberStrLen;
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EFI_STATUS Status;
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CHAR8 *ManufacturerStr;
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CHAR8 *VersionStr;
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CHAR8 *SerialNumberStr;
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CHAR8 *AssertTagStr;
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CHAR8 *SKUNumberStr;
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SMBIOS_TABLE_STRING *SKUNumberPtr;
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EFI_SMBIOS_HANDLE SmbiosHandle;
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SMBIOS_TABLE_TYPE3 *SmbiosRecord;
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SMBIOS_TABLE_TYPE3 *PcdSmbiosRecord;
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UINTN SourceSize;
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UINTN TotalSize;
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UINTN StringOffset;
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PcdSmbiosRecord = PcdGetPtr (PcdSmbiosType3SystemEnclosureChassis);
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//
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// Get ChassisManufacturer String.
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//
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ManufacturerStr = PcdGetPtr (PcdSmbiosType3StringManufacturer);
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ManuStrLen = AsciiStrLen (ManufacturerStr);
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ASSERT (ManuStrLen <= SMBIOS_STRING_MAX_LENGTH);
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//
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// Get ChassisVersion String.
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//
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VersionStr = PcdGetPtr (PcdSmbiosType3StringVersion);
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VerStrLen = AsciiStrLen (VersionStr);
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ASSERT (VerStrLen <= SMBIOS_STRING_MAX_LENGTH);
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//
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// Get ChassisSerialNumber String.
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//
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SerialNumberStr = PcdGetPtr (PcdSmbiosType3StringSerialNumber);
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SerialNumStrLen = AsciiStrLen (SerialNumberStr);
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ASSERT (SerialNumStrLen <= SMBIOS_STRING_MAX_LENGTH);
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//
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// Get ChassisAssetTag String.
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//
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AssertTagStr = PcdGetPtr (PcdSmbiosType3StringAssetTag);
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AssertTagStrLen = AsciiStrLen (AssertTagStr);
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ASSERT (AssertTagStrLen <= SMBIOS_STRING_MAX_LENGTH);
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//
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// Get ChassisSKUNumber String.
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//
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SKUNumberStr = PcdGetPtr (PcdSmbiosType3StringSKUNumber);
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SKUNumberStrLen = AsciiStrLen (SKUNumberStr);
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ASSERT (SKUNumberStrLen <= SMBIOS_STRING_MAX_LENGTH);
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//
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// Two zeros following the last string.
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//
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SourceSize = PcdGetSize(PcdSmbiosType3SystemEnclosureChassis);
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TotalSize = SourceSize + sizeof(SMBIOS_TABLE_STRING) + ManuStrLen + 1 + VerStrLen + 1 + SerialNumStrLen + 1 + AssertTagStrLen + 1 + SKUNumberStrLen + 1 + 1;
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SmbiosRecord = AllocateZeroPool(TotalSize);
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if (SmbiosRecord == NULL) {
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ASSERT_EFI_ERROR (EFI_OUT_OF_RESOURCES);
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return EFI_OUT_OF_RESOURCES;
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}
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CopyMem (SmbiosRecord, PcdSmbiosRecord, SourceSize);
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SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_SYSTEM_ENCLOSURE;
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SmbiosRecord->Hdr.Length = OFFSET_OF (SMBIOS_TABLE_TYPE3, ContainedElements) + sizeof(SMBIOS_TABLE_STRING);
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if (PcdSmbiosRecord->ContainedElementCount >= 1) {
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SmbiosRecord->Hdr.Length += PcdSmbiosRecord->ContainedElementCount * PcdSmbiosRecord->ContainedElementRecordLength;
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}
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SmbiosRecord->Hdr.Handle = 0;
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if ((PcdSmbiosRecord->ContainedElementCount == 0) || (SourceSize < (UINTN)SmbiosRecord + SmbiosRecord->Hdr.Length)) {
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SKUNumberPtr = (SMBIOS_TABLE_STRING *)((UINTN)SmbiosRecord + SmbiosRecord->Hdr.Length - sizeof(SMBIOS_TABLE_STRING));
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*SKUNumberPtr = 5;
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}
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StringOffset = SmbiosRecord->Hdr.Length;
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CopyMem ((UINT8 *)SmbiosRecord + StringOffset, ManufacturerStr, ManuStrLen);
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StringOffset += ManuStrLen + 1;
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CopyMem ((UINT8 *)SmbiosRecord + StringOffset, VersionStr, VerStrLen);
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StringOffset += VerStrLen + 1;
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CopyMem ((UINT8 *)SmbiosRecord + StringOffset, SerialNumberStr, SerialNumStrLen);
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StringOffset += SerialNumStrLen + 1;
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CopyMem ((UINT8 *)SmbiosRecord + StringOffset, AssertTagStr, AssertTagStrLen);
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StringOffset += AssertTagStrLen + 1;
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CopyMem ((UINT8 *)SmbiosRecord + StringOffset, SKUNumberStr, SKUNumberStrLen);
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//
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// Now we have got the full smbios record, call smbios protocol to add this record.
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//
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Status = AddSmbiosRecord (Smbios, &SmbiosHandle, (EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord);
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FreePool(SmbiosRecord);
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return Status;
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}
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