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79 lines
2.1 KiB
79 lines
2.1 KiB
4 years ago
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/** @file
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Support for the PCI Express 3.1 standard.
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This header file may not define all structures. Please extend as required.
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Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef _PCIEXPRESS31_H_
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#define _PCIEXPRESS31_H_
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#include <IndustryStandard/PciExpress30.h>
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#pragma pack(1)
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#define PCI_EXPRESS_EXTENDED_CAPABILITY_L1_PM_SUBSTATES_ID 0x001E
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#define PCI_EXPRESS_EXTENDED_CAPABILITY_L1_PM_SUBSTATES_VER1 0x1
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typedef union {
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struct {
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UINT32 PciPmL12 : 1;
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UINT32 PciPmL11 : 1;
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UINT32 AspmL12 : 1;
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UINT32 AspmL11 : 1;
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UINT32 L1PmSubstates : 1;
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UINT32 Reserved : 3;
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UINT32 CommonModeRestoreTime : 8;
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UINT32 TPowerOnScale : 2;
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UINT32 Reserved2 : 1;
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UINT32 TPowerOnValue : 5;
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UINT32 Reserved3 : 8;
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} Bits;
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UINT32 Uint32;
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} PCI_EXPRESS_REG_L1_PM_SUBSTATES_CAPABILITY;
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typedef union {
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struct {
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UINT32 PciPmL12 : 1;
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UINT32 PciPmL11 : 1;
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UINT32 AspmL12 : 1;
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UINT32 AspmL11 : 1;
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UINT32 Reserved : 4;
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UINT32 CommonModeRestoreTime : 8;
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UINT32 LtrL12ThresholdValue : 10;
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UINT32 Reserved2 : 3;
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UINT32 LtrL12ThresholdScale : 3;
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} Bits;
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UINT32 Uint32;
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} PCI_EXPRESS_REG_L1_PM_SUBSTATES_CONTROL1;
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typedef union {
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struct {
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UINT32 TPowerOnScale : 2;
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UINT32 Reserved : 1;
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UINT32 TPowerOnValue : 5;
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UINT32 Reserved2 : 24;
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} Bits;
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UINT32 Uint32;
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} PCI_EXPRESS_REG_L1_PM_SUBSTATES_CONTROL2;
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typedef struct {
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PCI_EXPRESS_EXTENDED_CAPABILITIES_HEADER Header;
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PCI_EXPRESS_REG_L1_PM_SUBSTATES_CAPABILITY Capability;
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PCI_EXPRESS_REG_L1_PM_SUBSTATES_CONTROL1 Control1;
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PCI_EXPRESS_REG_L1_PM_SUBSTATES_CONTROL2 Control2;
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} PCI_EXPRESS_EXTENDED_CAPABILITIES_L1_PM_SUBSTATES;
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#pragma pack()
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#endif
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