audk/MdePkg/Include/IndustryStandard/Pci23.h

63 lines
1.8 KiB
C

/** @file
Support for PCI 2.3 standard.
Copyright (c) 2006 - 2008, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef _PCI23_H_
#define _PCI23_H_
#include <IndustryStandard/Pci22.h>
///
/// Definitions of PCI class bytes and manipulation macros.
///
#define PCI_IF_EHCI 0x20
///
/// defined in PCI Express Spec.
///
#define PCI_EXP_MAX_CONFIG_OFFSET 0x1000
///
/// PCI Capability List IDs and records
///
#define EFI_PCI_CAPABILITY_ID_PCIX 0x07
#pragma pack(1)
///
/// PCI-X Capabilities List,
/// Section 7.2, PCI-X Addendum to the PCI Local Bus Specification, Revision 1.0b
///
typedef struct {
EFI_PCI_CAPABILITY_HDR Hdr;
UINT16 CommandReg;
UINT32 StatusReg;
} EFI_PCI_CAPABILITY_PCIX;
///
/// PCI-X Bridge Capabilities List,
/// Section 8.6.2, PCI-X Addendum to the PCI Local Bus Specification, Revision 1.0b
///
typedef struct {
EFI_PCI_CAPABILITY_HDR Hdr;
UINT16 SecStatusReg;
UINT32 StatusReg;
UINT32 SplitTransCtrlRegUp;
UINT32 SplitTransCtrlRegDn;
} EFI_PCI_CAPABILITY_PCIX_BRDG;
#pragma pack()
#define PCI_CODE_TYPE_EFI_IMAGE 0x03
#endif