audk/MdePkg/Include/IndustryStandard/PciExpress21.h

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/** @file
Support for the latest PCI standard.
Copyright (c) 2006 - 2009, 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 _PCIEXPRESS21_H_
#define _PCIEXPRESS21_H_
#define EFI_PCIE_CAPABILITY_BASE_OFFSET 0x100
#define EFI_PCIE_CAPABILITY_ID_SRIOV_CONTROL_ARI_HIERARCHY 0x10
#define EFI_PCIE_CAPABILITY_DEVICE_CAPABILITIES_2_OFFSET 0x24
#define EFI_PCIE_CAPABILITY_DEVICE_CAPABILITIES_2_ARI_FORWARDING 0x20
#define EFI_PCIE_CAPABILITY_DEVICE_CONTROL_2_OFFSET 0x28
#define EFI_PCIE_CAPABILITY_DEVICE_CONTROL_2_ARI_FORWARDING 0x20
//
// for SR-IOV
//
#define EFI_PCIE_CAPABILITY_ID_ARI 0x0E
#define EFI_PCIE_CAPABILITY_ID_ATS 0x0F
#define EFI_PCIE_CAPABILITY_ID_SRIOV 0x10
#define EFI_PCIE_CAPABILITY_ID_MRIOV 0x11
typedef struct {
UINT32 CapabilityHeader;
UINT32 Capability;
UINT16 Control;
UINT16 Status;
UINT16 InitialVFs;
UINT16 TotalVFs;
UINT16 NumVFs;
UINT8 FunctionDependencyLink;
UINT8 Reserved0;
UINT16 FirstVFOffset;
UINT16 VFStride;
UINT16 Reserved1;
UINT16 VFDeviceID;
UINT32 SupportedPageSize;
UINT32 SystemPageSize;
UINT32 VFBar[6];
UINT32 VFMigrationStateArrayOffset;
} SR_IOV_CAPABILITY_REGISTER;
#define EFI_PCIE_CAPABILITY_ID_SRIOV_CAPABILITIES 0x04
#define EFI_PCIE_CAPABILITY_ID_SRIOV_CONTROL 0x08
#define EFI_PCIE_CAPABILITY_ID_SRIOV_STATUS 0x0A
#define EFI_PCIE_CAPABILITY_ID_SRIOV_INITIALVFS 0x0C
#define EFI_PCIE_CAPABILITY_ID_SRIOV_TOTALVFS 0x0E
#define EFI_PCIE_CAPABILITY_ID_SRIOV_NUMVFS 0x10
#define EFI_PCIE_CAPABILITY_ID_SRIOV_FUNCTION_DEPENDENCY_LINK 0x12
#define EFI_PCIE_CAPABILITY_ID_SRIOV_FIRSTVF 0x14
#define EFI_PCIE_CAPABILITY_ID_SRIOV_VFSTRIDE 0x16
#define EFI_PCIE_CAPABILITY_ID_SRIOV_VFDEVICEID 0x1A
#define EFI_PCIE_CAPABILITY_ID_SRIOV_SUPPORTED_PAGE_SIZE 0x1C
#define EFI_PCIE_CAPABILITY_ID_SRIOV_SYSTEM_PAGE_SIZE 0x20
#define EFI_PCIE_CAPABILITY_ID_SRIOV_BAR0 0x24
#define EFI_PCIE_CAPABILITY_ID_SRIOV_BAR1 0x28
#define EFI_PCIE_CAPABILITY_ID_SRIOV_BAR2 0x2C
#define EFI_PCIE_CAPABILITY_ID_SRIOV_BAR3 0x30
#define EFI_PCIE_CAPABILITY_ID_SRIOV_BAR4 0x34
#define EFI_PCIE_CAPABILITY_ID_SRIOV_BAR5 0x38
#define EFI_PCIE_CAPABILITY_ID_SRIOV_VF_MIGRATION_STATE 0x3C
#endif