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/** @file
This code supports the implementation of the Smbios protocol
Copyright (c) 2009 - 2021, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef _SMBIOS_DXE_H_
#define _SMBIOS_DXE_H_
#include <PiDxe.h>
#include <Protocol/Smbios.h>
#include <IndustryStandard/SmBios.h>
#include <Guid/EventGroup.h>
#include <Guid/SmBios.h>
#include <Library/DebugLib.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/UefiLib.h>
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
#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 {
UINT32 Signature;
EFI_HANDLE Handle;
//
// Produced protocol
//
EFI_SMBIOS_PROTOCOL Smbios;
//
// Updates to record list must be locked.
//
EFI_LOCK DataLock;
//
// List of EFI_SMBIOS_ENTRY structures.
//
LIST_ENTRY DataListHead;
//
// List of allocated SMBIOS handle.
//
LIST_ENTRY AllocatedHandleListHead;
} SMBIOS_INSTANCE;
#define SMBIOS_INSTANCE_FROM_THIS(this) CR (this, SMBIOS_INSTANCE, Smbios, SMBIOS_INSTANCE_SIGNATURE)
//
// SMBIOS record Header
//
// An SMBIOS internal Record is an EFI_SMBIOS_RECORD_HEADER followed by (RecordSize - HeaderSize) bytes of
// data. The format of the data is defined by the SMBIOS spec.
//
//
#define EFI_SMBIOS_RECORD_HEADER_VERSION 0x0100
typedef struct {
UINT16 Version;
UINT16 HeaderSize;
UINTN RecordSize;
EFI_HANDLE ProducerHandle;
UINTN NumberOfStrings;
} EFI_SMBIOS_RECORD_HEADER;
//
// Private data structure to contain the SMBIOS record. One record per
// structure. SmbiosRecord is a copy of the data passed in and follows RecordHeader .
//
#define EFI_SMBIOS_ENTRY_SIGNATURE SIGNATURE_32 ('S', 'r', 'e', 'c')
typedef struct {
UINT32 Signature;
LIST_ENTRY Link;
EFI_SMBIOS_RECORD_HEADER *RecordHeader;
UINTN RecordSize;
//
// Indicate which table this record is added to.
//
BOOLEAN Smbios32BitTable;
BOOLEAN Smbios64BitTable;
} EFI_SMBIOS_ENTRY;
#define SMBIOS_ENTRY_FROM_LINK(link) CR (link, EFI_SMBIOS_ENTRY, Link, EFI_SMBIOS_ENTRY_SIGNATURE)
//
// Private data to contain the Smbios handle that already allocated.
//
#define SMBIOS_HANDLE_ENTRY_SIGNATURE SIGNATURE_32 ('S', 'h', 'r', 'd')
typedef struct {
UINT32 Signature;
LIST_ENTRY Link;
//
// Filter driver will register what record guid filter should be used.
//
EFI_SMBIOS_HANDLE SmbiosHandle;
} SMBIOS_HANDLE_ENTRY;
#define SMBIOS_HANDLE_ENTRY_FROM_LINK(link) CR (link, SMBIOS_HANDLE_ENTRY, Link, SMBIOS_HANDLE_ENTRY_SIGNATURE)
typedef struct {
EFI_SMBIOS_TABLE_HEADER Header;
UINT8 Tailing[2];
} EFI_SMBIOS_TABLE_END_STRUCTURE;
/**
Create Smbios Table and installs the Smbios Table to the System Table.
@param Smbios32BitTable The flag to update 32-bit table.
@param Smbios64BitTable The flag to update 64-bit table.
**/
VOID
EFIAPI
SmbiosTableConstruction (
BOOLEAN Smbios32BitTable,
BOOLEAN Smbios64BitTable
);
/**
Validates a SMBIOS 3.0 table entry point.
@param TableEntry The SmBios table entry to validate.
@param TableAddress On exit, point to the smbios table addres.
@param TableMaximumSize On exit, point to the maximum size of the table.
@retval TRUE SMBIOS table entry point is valid.
@retval FALSE SMBIOS table entry point is malformed.
**/
STATIC
BOOLEAN
IsValidSmbios30Table (
IN VOID *TableEntry,
OUT VOID **TableAddress,
OUT UINTN *TableMaximumSize
);
/**
Validates a SMBIOS 2.0 table entry point.
@param TableEntry The SmBios table entry to validate.
@param TableAddress On exit, point to the smbios table addres.
@param TableMaximumSize On exit, point to the maximum size of the table.
@retval TRUE SMBIOS table entry point is valid.
@retval FALSE SMBIOS table entry point is malformed.
**/
STATIC
BOOLEAN
IsValidSmbios20Table (
IN VOID *TableEntry,
OUT VOID **TableAddress,
OUT UINTN *TableMaximumSize
);
/**
Validates a SMBIOS table entry point.
@param TableEntry The SmBios table entry to validate.
@param TableAddress On exit, point to the smbios table addres.
@param TableMaximumSize On exit, point to the maximum size of the table.
@retval TRUE SMBIOS table entry point is valid.
@retval FALSE SMBIOS table entry point is malformed.
**/
typedef
BOOLEAN
(* IS_SMBIOS_TABLE_VALID) (
IN VOID *TableEntry,
OUT VOID **TableAddress,
OUT UINTN *TableMaximumSize
);
typedef struct {
EFI_GUID *Guid;
IS_SMBIOS_TABLE_VALID IsValid;
} IS_SMBIOS_TABLE_VALID_ENTRY;
#endif
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