[edk2-devel] [PATCH 5/9] MdeModulePkg/Universal/SmbiosDxe: Scan for existing tables
Wu, Hao A
hao.a.wu at intel.com
Wed May 26 06:32:38 UTC 2021
Sorry for missing one comment.
I think we can add below information for GUID information in SmbiosDxe.inf:
gPldSmbios3TableGuid ## CONSUMES ## HOB
gPldSmbiosTableGuid ## SOMETIMES_CONSUMES ## HOB
Best Regards,
Hao Wu
> -----Original Message-----
> From: devel at edk2.groups.io <devel at edk2.groups.io> On Behalf Of Wu, Hao
> A
> Sent: Wednesday, May 26, 2021 2:15 PM
> To: Liu, Zhiguang <zhiguang.liu at intel.com>; Ni, Ray <ray.ni at intel.com>;
> devel at edk2.groups.io
> Cc: Wang, Jian J <jian.j.wang at intel.com>; Bi, Dandan
> <dandan.bi at intel.com>; Zeng, Star <star.zeng at intel.com>; Gao, Zhichao
> <zhichao.gao at intel.com>; Patrick Rudolph
> <patrick.rudolph at 9elements.com>
> Subject: Re: [edk2-devel] [PATCH 5/9]
> MdeModulePkg/Universal/SmbiosDxe: Scan for existing tables
>
> Adding Ray.
>
> Hello Ray, I saw most of your comments in previous patch:
> "[PATCH - resend] MdeModulePkg/Universal/SmbiosDxe: Scan for existing
> tables"
> have been addressed in this patch series.
> Could you help to check if there are additional comments for this patch?
> Thanks.
>
> Some inline comments below:
>
>
> > -----Original Message-----
> > From: Liu, Zhiguang <zhiguang.liu at intel.com>
> > Sent: Monday, May 24, 2021 3:13 PM
> > To: devel at edk2.groups.io
> > Cc: Wang, Jian J <jian.j.wang at intel.com>; Wu, Hao A
> > <hao.a.wu at intel.com>; Bi, Dandan <dandan.bi at intel.com>; Zeng, Star
> > <star.zeng at intel.com>; Gao, Zhichao <zhichao.gao at intel.com>; Patrick
> > Rudolph <patrick.rudolph at 9elements.com>
> > Subject: [PATCH 5/9] MdeModulePkg/Universal/SmbiosDxe: Scan for
> > existing tables
> >
> > V1:
> > The default EfiSmbiosProtocol operates on an empty SMBIOS table.
> > The SMBIOS tables are provided by the bootloader on UefiPayloadPkg.
> > Scan for existing tables in SmbiosDxe and load them if they seem valid.
> >
> > This fixes the settings menu not showing any hardware information,
> > instead only "0 MB RAM" was displayed.
> >
> > Tests showed that the OS can still see the SMBIOS tables.
> >
> > V2:
> > SmbiosDxe will get the SMBIOS from a guid Hob.
> > Aslo will keep the SmbiosHandle if it is available.
> >
> > Cc: Jian J Wang <jian.j.wang at intel.com>
> > Cc: Hao A Wu <hao.a.wu at intel.com>
> > Cc: Dandan Bi <dandan.bi at intel.com>
> > Cc: Star Zeng <star.zeng at intel.com>
> > Cc: Zhichao Gao <zhichao.gao at intel.com>
> > Signed-off-by: Patrick Rudolph <patrick.rudolph at 9elements.com>
> > Signed-off-by: Zhiguang Liu <zhiguang.liu at intel.com>
> > ---
> > MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.c | 299
> >
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> >
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> >
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> >
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> >
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> > +++++++--
> > MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.h | 4 +++-
> > MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.inf | 5 ++++-
> > 3 files changed, 304 insertions(+), 4 deletions(-)
> >
> > diff --git a/MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.c
> > b/MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.c
> > index 3cdb0b1ed7..d2aa15d43f 100644
> > --- a/MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.c
> > +++ b/MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.c
> > @@ -2,7 +2,7 @@
> > This code produces the Smbios protocol. It also responsible for
> > constructing
> >
> > SMBIOS table into system table.
> >
> >
> >
> > -Copyright (c) 2009 - 2018, Intel Corporation. All rights
> > reserved.<BR>
> >
> > +Copyright (c) 2009 - 2021, Intel Corporation. All rights
> > +reserved.<BR>
> >
> > SPDX-License-Identifier: BSD-2-Clause-Patent
> >
> >
> >
> > **/
> >
> > @@ -1408,6 +1408,300 @@ SmbiosTableConstruction (
> > }
> >
> > }
> >
> >
> >
> > +/**
> >
> > + Validates a SMBIOS 2.0 table entry point.
> >
> > +
> >
> > + @param SmbiosTable The SMBIOS_TABLE_ENTRY_POINT to validate.
> >
> > +
> >
> > + @retval TRUE SMBIOS table entry point is valid.
> >
> > + @retval FALSE SMBIOS table entry point is malformed.
> >
> > +
> >
> > +**/
> >
> > +STATIC
> >
> > +BOOLEAN
> >
> > +IsValidSmbios20Table (
> >
> > + IN SMBIOS_TABLE_ENTRY_POINT *SmbiosTable
> >
> > + )
> >
> > +{
> >
> > + UINT8 Checksum;
> >
> > +
> >
> > + if (CompareMem (SmbiosTable->AnchorString, "_SM_", 4) != 0) {
> >
> > + return FALSE;
> >
> > + }
>
>
> Should a check for the 'IntermediateAnchorString' be added here as well?
>
>
> >
> > +
> >
> > + //
> >
> > + // The actual value of the EntryPointLength should be 1Fh.
> >
> > + // However, it was incorrectly stated in version 2.1 of smbios
> specification.
> >
> > + // Therefore, 0x1F and 0x1E are both accepted.
> >
> > + //
> >
> > + if (SmbiosTable->EntryPointLength != 0x1E ||
> > + SmbiosTable->EntryPointLength != sizeof
> (SMBIOS_TABLE_ENTRY_POINT))
> > {
> >
> > + return FALSE;
> >
> > + }
> >
> > +
> >
> > + //
> >
> > + // MajorVersion should be 2.
> >
> > + //
> >
> > + if (SmbiosTable->MajorVersion != 2) {
> >
> > + return FALSE;
>
>
> I might be wrong on this.
> My take with the SMBIOS spec is that a 2.0 table is allowed to has this field
> greater than 2.
> As long as a specific version of the SMBIOS spec still support this format
> (which is still true for version 3.0).
>
> So I think I check like:
> if (EntryPointStructure->MajorVersion < 2) {...} should be used here.
>
>
> >
> > + }
> >
> > +
> >
> > + //
> >
> > + // The whole struct check sum should be zero
> >
> > + //
> >
> > + Checksum = CalculateSum8 (
> >
> > + (UINT8 *) SmbiosTable,
> >
> > + SmbiosTable->EntryPointLength
> >
> > + );
> >
> > + if (Checksum != 0) {
> >
> > + return FALSE;
> >
> > + }
> >
> > +
> >
> > + //
> >
> > + // The Intermediate Entry Point Structure check sum should be zero.
> >
> > + //
> >
> > + Checksum = CalculateSum8 (
> >
> > + (UINT8 *) SmbiosTable + OFFSET_OF
> > + (SMBIOS_TABLE_ENTRY_POINT, IntermediateAnchorString),
> >
> > + SmbiosTable->EntryPointLength - OFFSET_OF
> > + (SMBIOS_TABLE_ENTRY_POINT, IntermediateAnchorString)
> >
> > + );
> >
> > + return (BOOLEAN) (Checksum == 0);
> >
> > +}
> >
> > +
> >
> > +/**
> >
> > + Validates a SMBIOS 3.0 table entry point.
> >
> > +
> >
> > + @param SmbiosTable The SMBIOS_TABLE_3_0_ENTRY_POINT to
> validate.
> >
> > +
> >
> > + @retval TRUE SMBIOS table entry point is valid.
> >
> > + @retval FALSE SMBIOS table entry point is malformed.
> >
> > +
> >
> > +**/
> >
> > +STATIC
> >
> > +BOOLEAN
> >
> > +IsValidSmbios30Table (
> >
> > + IN SMBIOS_TABLE_3_0_ENTRY_POINT *SmbiosTable
> >
> > + )
> >
> > +{
> >
> > + UINT8 Checksum;
> >
> > +
> >
> > + if (CompareMem (SmbiosTable->AnchorString, "_SM3_", 5) != 0) {
> >
> > + return FALSE;
> >
> > + }
> >
> > + if (SmbiosTable->EntryPointLength < sizeof
> > + (SMBIOS_TABLE_3_0_ENTRY_POINT)) {
> >
> > + return FALSE;
> >
> > + }
> >
> > + if (SmbiosTable->MajorVersion < 3) {
> >
> > + return FALSE;
> >
> > + }
> >
> > +
> >
> > + //
> >
> > + // The whole struct check sum should be zero
> >
> > + //
> >
> > + Checksum = CalculateSum8 (
> >
> > + (UINT8 *) SmbiosTable,
> >
> > + SmbiosTable->EntryPointLength
> >
> > + );
> >
> > + if (Checksum != 0) {
> >
> > + return FALSE;
> >
> > + }
> >
> > + return TRUE;
> >
> > +}
> >
> > +
> >
> > +/**
> >
> > + Parse an existing SMBIOS table and insert it using SmbiosAdd.
> >
> > +
> >
> > + @param ImageHandle The EFI_HANDLE to this driver.
> >
> > + @param Smbios The SMBIOS table to parse.
> >
> > + @param Length The length of the SMBIOS table.
> >
> > +
> >
> > + @retval EFI_SUCCESS SMBIOS table was parsed and installed.
> >
> > + @retval EFI_OUT_OF_RESOURCES Record was not added due to lack of
> > system resources.
> >
> > + @retval EFI_INVALID_PARAMETER Smbios is not a correct smbios table
> >
> > +
> >
> > +**/
> >
> > +STATIC
> >
> > +EFI_STATUS
> >
> > +ParseAndAddExistingSmbiosTable (
> >
> > + IN EFI_HANDLE ImageHandle,
> >
> > + IN SMBIOS_STRUCTURE_POINTER Smbios,
> >
> > + IN UINTN Length
> >
> > + )
> >
> > +{
> >
> > + EFI_STATUS Status;
> >
> > + CHAR8 *String;
> >
> > + EFI_SMBIOS_HANDLE SmbiosHandle;
> >
> > + SMBIOS_STRUCTURE_POINTER SmbiosEnd;
> >
> > +
> >
> > + SmbiosEnd.Raw = Smbios.Raw + Length;
> >
> > +
> >
> > + if (Smbios.Raw >= SmbiosEnd.Raw || Smbios.Raw == NULL) {
> >
> > + return EFI_INVALID_PARAMETER;
> >
> > + }
> >
> > +
> >
> > + do {
> >
> > + //
> >
> > + // Make sure not to access memory beyond SmbiosEnd
> >
> > + //
> >
> > + if (Smbios.Raw + sizeof (SMBIOS_STRUCTURE) > SmbiosEnd.Raw ||
> >
> > + Smbios.Raw + sizeof (SMBIOS_STRUCTURE) < Smbios.Raw) {
> >
> > + return EFI_INVALID_PARAMETER;
> >
> > + }
> >
> > + //
> >
> > + // Check for end marker
> >
> > + //
> >
> > + if (Smbios.Hdr->Type == SMBIOS_TYPE_END_OF_TABLE) {
> >
> > + break;
> >
> > + }
> >
> > + //
> >
> > + // Make sure not to access memory beyond SmbiosEnd
> >
> > + // Each structure shall be terminated by a double-null (0000h).
> >
> > + //
> >
> > + if (Smbios.Raw + Smbios.Hdr->Length + 2 * sizeof (UINT8) >
> > + SmbiosEnd.Raw ||
> >
> > + Smbios.Raw + Smbios.Hdr->Length + 2 * sizeof (UINT8) <
> > + Smbios.Raw) {
> >
> > + return EFI_INVALID_PARAMETER;
> >
> > + }
> >
> > + //
> >
> > + // Install the table
> >
> > + //
> >
> > + SmbiosHandle = Smbios.Hdr->Handle;
> >
> > + Status = SmbiosAdd (
> >
> > + &mPrivateData.Smbios,
> >
> > + ImageHandle,
> >
> > + &SmbiosHandle,
> >
> > + Smbios.Hdr
> >
> > + );
> >
> > +
> >
> > + ASSERT_EFI_ERROR (Status);
> >
> > + if (EFI_ERROR (Status)) {
> >
> > + return Status;
> >
> > + }
> >
> > + //
> >
> > + // Go to the next SMBIOS structure. Each SMBIOS structure may
> > + include 2
> > parts:
> >
> > + // 1. Formatted section; 2. Unformatted string section. So, 2
> > + steps are needed
> >
> > + // to skip one SMBIOS structure.
> >
> > + //
> >
> > +
> >
> > + //
> >
> > + // Step 1: Skip over formatted section.
> >
> > + //
> >
> > + String = (CHAR8 *) (Smbios.Raw + Smbios.Hdr->Length);
> >
> > +
> >
> > + //
> >
> > + // Step 2: Skip over unformatted string section.
> >
> > + //
> >
> > + do {
> >
> > + //
> >
> > + // Each string is terminated with a NULL(00h) BYTE and the sets
> > + of strings
> >
> > + // is terminated with an additional NULL(00h) BYTE.
> >
> > + //
> >
> > + for ( ; *String != 0; String++) {
> >
> > + if ((UINTN) String >= (UINTN) SmbiosEnd.Raw - sizeof (UINT8))
> > + {
> >
> > + return EFI_INVALID_PARAMETER;
> >
> > + }
> >
> > + }
> >
> > +
> >
> > + if (*(UINT8 *) ++String == 0) {
> >
> > + //
> >
> > + // Pointer to the next SMBIOS structure.
> >
> > + //
> >
> > + Smbios.Raw = (UINT8 *) ++String;
> >
> > + break;
> >
> > + }
> >
> > + } while (TRUE);
> >
> > + } while (Smbios.Raw < SmbiosEnd.Raw);
> >
> > +
> >
> > + return EFI_SUCCESS;
> >
> > +}
> >
> > +
> >
> > +
> >
> > +/**
> >
> > + Retrieve SMBIOS from Hob.
> >
> > + @param ImageHandle Module's image handle
> >
> > +
> >
> > + @retval EFI_SUCCESS Smbios from Hob is installed.
> >
> > + @return EFI_NOT_FOUND Not found Smbios from Hob.
> >
> > + @retval Other No Smbios from Hob is installed.
> >
> > +
> >
> > +**/
> >
> > +EFI_STATUS
> >
> > +EFIAPI
>
>
> I think RetrieveSmbiosFromHob() is an internal function.
> Please help to remove the 'EFIAPI' keyword here.
>
>
> >
> > +RetrieveSmbiosFromHob (
> >
> > + IN EFI_HANDLE ImageHandle
> >
> > + )
> >
> > +{
> >
> > + EFI_STATUS Status;
> >
> > + SMBIOS_TABLE_ENTRY_POINT *SmbiosTable;
> >
> > + SMBIOS_TABLE_3_0_ENTRY_POINT *Smbios30Table;
> >
> > + SMBIOS_STRUCTURE_POINTER Smbios;
> >
> > + EFI_HOB_GUID_TYPE *GuidHob;
> >
> > + PLD_SMBIOS_TABLE *SmBiosTableAdress;
> >
> > + PLD_GENERIC_HEADER *GenericHeader;
> >
> > +
> >
> > + Status = EFI_NOT_FOUND;
> >
> > + //
> >
> > + // Scan for existing SMBIOS tables from gPldSmbios3TableGuid Guid
> > + Hob
> >
> > + //
> >
> > + GuidHob = GetFirstGuidHob (&gPldSmbios3TableGuid);
> >
> > + if (GuidHob != NULL) {
> >
> > + GenericHeader = (PLD_GENERIC_HEADER *) GET_GUID_HOB_DATA
> > (GuidHob);
> >
> > + if ((sizeof (PLD_GENERIC_HEADER) <= GET_GUID_HOB_DATA_SIZE
> > + (GuidHob)) && (GenericHeader->Length <= GET_GUID_HOB_DATA_SIZE
> > + (GuidHob))) {
> >
> > + if (GenericHeader->Revision == PLD_SMBIOS_TABLE_REVISION) {
> >
> > + //
> >
> > + // PLD_SMBIOS_TABLE structure is used when Revision equals to
> > + PLD_SMBIOS_TABLE_REVISION
> >
> > + //
> >
> > + SmBiosTableAdress = (PLD_SMBIOS_TABLE *) GET_GUID_HOB_DATA
> > + (GuidHob);
> >
> > + if (GenericHeader->Length >= PLD_SIZEOF_THROUGH_FIELD
> > + (PLD_SMBIOS_TABLE, SmBiosEntryPoint)) {
> >
> > + Smbios30Table = (SMBIOS_TABLE_3_0_ENTRY_POINT *) (UINTN)
> > + SmBiosTableAdress->SmBiosEntryPoint;
> >
> > + if (IsValidSmbios30Table (Smbios30Table)) {
> >
> > + Smbios.Raw = (UINT8 *) (UINTN)
> > + Smbios30Table->TableAddress;
> >
> > + Status = ParseAndAddExistingSmbiosTable (ImageHandle,
> > + Smbios, Smbios30Table->TableMaximumSize);
> >
> > + if (EFI_ERROR (Status)) {
> >
> > + DEBUG ((DEBUG_ERROR, "RetrieveSmbiosFromHob: Failed to
> > + parse preinstalled tables from gPldSmbios3TableGuid Guid Hob\n"));
> >
> > + Status = EFI_UNSUPPORTED;
> >
> > + } else {
> >
> > + return EFI_SUCCESS;
> >
> > + }
> >
> > + }
> >
> > + }
> >
> > + } else {
> >
> > + Status = EFI_UNSUPPORTED;
> >
> > + }
> >
> > + }
> >
> > + }
> >
> > +
> >
> > + //
> >
> > + // Scan for existing SMBIOS tables from gPldSmbiosTableGuid Guid
> > + Hob,
> >
> > + // if gPldSmbios3TableGuid Hob doesn't exist or parsing
> > + gPldSmbios3TableGuid failed
> >
> > + //
> >
> > + GuidHob = GetFirstGuidHob (&gPldSmbiosTableGuid);
> >
> > +
> >
> > + if (GuidHob != NULL) {
> >
> > + GenericHeader = (PLD_GENERIC_HEADER *) GET_GUID_HOB_DATA
> > (GuidHob);
> >
> > + if ((sizeof (PLD_GENERIC_HEADER) <= GET_GUID_HOB_DATA_SIZE
> > + (GuidHob)) && (GenericHeader->Length <= GET_GUID_HOB_DATA_SIZE
> > + (GuidHob))) {
> >
> > + if (GenericHeader->Revision == PLD_SMBIOS_TABLE_REVISION) {
> >
> > + //
> >
> > + // PLD_SMBIOS_TABLE structure is used when Revision equals to
> > + PLD_SMBIOS_TABLE_REVISION
> >
> > + //
> >
> > + SmBiosTableAdress = (PLD_SMBIOS_TABLE *) GET_GUID_HOB_DATA
> > + (GuidHob);
> >
> > + if (GenericHeader->Length >= PLD_SIZEOF_THROUGH_FIELD
> > + (PLD_SMBIOS_TABLE, SmBiosEntryPoint)) {
> >
> > + SmbiosTable = (SMBIOS_TABLE_ENTRY_POINT *) (UINTN)
> > + SmBiosTableAdress->SmBiosEntryPoint;
> >
> > + if (IsValidSmbios20Table (SmbiosTable)) {
> >
> > + Smbios.Raw = (UINT8 *) (UINTN) SmbiosTable->TableAddress;
> >
> > + Status = ParseAndAddExistingSmbiosTable (ImageHandle,
> > + Smbios, SmbiosTable->TableLength);
> >
> > + if (EFI_ERROR (Status)) {
> >
> > + DEBUG ((DEBUG_ERROR, "RetrieveSmbiosFromHob: Failed to
> > + parse preinstalled tables from gPldSmbiosTableGuid Guid Hob\n"));
> >
> > + Status = EFI_UNSUPPORTED;
> >
> > + }
> >
> > + return EFI_SUCCESS;
> >
> > + }
> >
> > + }
> >
> > + } else {
> >
> > + Status = EFI_UNSUPPORTED;
> >
> > + }
> >
> > + }
> >
> > + }
>
>
> Is it possible to abstract the codes that:
> a) Search & parse of gPldSmbios3TableGuid
> b) Search & parse of gPldSmbiosTableGuid into a function?
>
> I found that most of the logic is identical.
>
> Best Regards,
> Hao Wu
>
>
> >
> > + return Status;
> >
> > +}
> >
> > +
> >
> > /**
> >
> >
> >
> > Driver to produce Smbios protocol and pre-allocate 1 page for the
> > final SMBIOS table.
> >
> > @@ -1451,5 +1745,6 @@ SmbiosDriverEntryPoint (
> > &mPrivateData.Smbios
> >
> > );
> >
> >
> >
> > - return Status;
> >
> > + RetrieveSmbiosFromHob (ImageHandle);
> >
> > + return EFI_SUCCESS;
> >
> > }
> >
> > diff --git a/MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.h
> > b/MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.h
> > index f97c85ae40..a260cf695e 100644
> > --- a/MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.h
> > +++ b/MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.h
> > @@ -1,7 +1,7 @@
> > /** @file
> >
> > This code supports the implementation of the Smbios protocol
> >
> >
> >
> > -Copyright (c) 2009 - 2018, Intel Corporation. All rights
> > reserved.<BR>
> >
> > +Copyright (c) 2009 - 2021, Intel Corporation. All rights
> > +reserved.<BR>
> >
> > SPDX-License-Identifier: BSD-2-Clause-Patent
> >
> >
> >
> > **/
> >
> > @@ -24,6 +24,8 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
> > #include <Library/MemoryAllocationLib.h>
> >
> > #include <Library/UefiBootServicesTableLib.h>
> >
> > #include <Library/PcdLib.h>
> >
> > +#include <Library/HobLib.h>
> >
> > +#include <UniversalPayload/SmbiosTable.h>
> >
> >
> >
> > #define SMBIOS_INSTANCE_SIGNATURE SIGNATURE_32 ('S', 'B', 'i', 's')
> >
> > typedef struct {
> >
> > diff --git a/MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.inf
> > b/MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.inf
> > index f6c036e1dc..3286575098 100644
> > --- a/MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.inf
> > +++ b/MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.inf
> > @@ -1,7 +1,7 @@
> > ## @file
> >
> > # This driver initializes and installs the SMBIOS protocol,
> > constructs SMBIOS table into system configuration table.
> >
> > #
> >
> > -# Copyright (c) 2009 - 2018, Intel Corporation. All rights
> > reserved.<BR>
> >
> > +# Copyright (c) 2009 - 2021, Intel Corporation. All rights
> > +reserved.<BR>
> >
> > #
> >
> > # SPDX-License-Identifier: BSD-2-Clause-Patent
> >
> > #
> >
> > @@ -41,6 +41,7 @@
> > UefiDriverEntryPoint
> >
> > DebugLib
> >
> > PcdLib
> >
> > + HobLib
> >
> >
> >
> > [Protocols]
> >
> > gEfiSmbiosProtocolGuid ## PRODUCES
> >
> > @@ -48,6 +49,8 @@
> > [Guids]
> >
> > gEfiSmbiosTableGuid ## SOMETIMES_PRODUCES ##
> > SystemTable
> >
> > gEfiSmbios3TableGuid ## SOMETIMES_PRODUCES ##
> > SystemTable
> >
> > + gPldSmbios3TableGuid
> >
> > + gPldSmbiosTableGuid
> >
> >
> >
> > [Pcd]
> >
> > gEfiMdeModulePkgTokenSpaceGuid.PcdSmbiosVersion ## CONSUMES
> >
> > --
> > 2.30.0.windows.2
>
>
>
>
>
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