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/** @file
Support for the PCI Express 3.1 standard.
This header file may not define all structures. Please extend as required.
Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
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 _PCIEXPRESS31_H_
#define _PCIEXPRESS31_H_
#include <IndustryStandard/PciExpress30.h>
#pragma pack(1)
#define PCI_EXPRESS_EXTENDED_CAPABILITY_L1_PM_SUBSTATES_ID 0x001E
#define PCI_EXPRESS_EXTENDED_CAPABILITY_L1_PM_SUBSTATES_VER1 0x1
typedef union {
struct {
UINT32 PciPmL12 : 1;
UINT32 PciPmL11 : 1;
UINT32 AspmL12 : 1;
UINT32 AspmL11 : 1;
UINT32 L1PmSubstates : 1;
UINT32 Reserved : 3;
UINT32 CommonModeRestoreTime : 8;
UINT32 TPowerOnScale : 2;
UINT32 Reserved2 : 1;
UINT32 TPowerOnValue : 5;
UINT32 Reserved3 : 8;
} Bits;
UINT32 Uint32;
} PCI_EXPRESS_REG_L1_PM_SUBSTATES_CAPABILITY;
typedef union {
struct {
UINT32 PciPmL12 : 1;
UINT32 PciPmL11 : 1;
UINT32 AspmL12 : 1;
UINT32 AspmL11 : 1;
UINT32 Reserved : 4;
UINT32 CommonModeRestoreTime : 8;
UINT32 LtrL12ThresholdValue : 10;
UINT32 Reserved2 : 3;
UINT32 LtrL12ThresholdScale : 3;
} Bits;
UINT32 Uint32;
} PCI_EXPRESS_REG_L1_PM_SUBSTATES_CONTROL1;
typedef union {
struct {
UINT32 TPowerOnScale : 2;
UINT32 Reserved : 1;
UINT32 TPowerOnValue : 5;
UINT32 Reserved2 : 24;
} Bits;
UINT32 Uint32;
} PCI_EXPRESS_REG_L1_PM_SUBSTATES_CONTROL2;
typedef struct {
PCI_EXPRESS_EXTENDED_CAPABILITIES_HEADER Header;
PCI_EXPRESS_REG_L1_PM_SUBSTATES_CAPABILITY Capability;
PCI_EXPRESS_REG_L1_PM_SUBSTATES_CONTROL1 Control1;
PCI_EXPRESS_REG_L1_PM_SUBSTATES_CONTROL2 Control2;
} PCI_EXPRESS_EXTENDED_CAPABILITIES_L1_PM_SUBSTATES;
#pragma pack()
#endif
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