| 1 | /** @file
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| 2 | Support for the PCI Express 3.1 standard.
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| 3 |
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| 4 | This header file may not define all structures. Please extend as required.
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| 5 |
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| 6 | Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
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| 7 | This program and the accompanying materials
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| 8 | are licensed and made available under the terms and conditions of the BSD License
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| 9 | which accompanies this distribution. The full text of the license may be found at
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| 10 | http://opensource.org/licenses/bsd-license.php
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| 11 |
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| 12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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| 13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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| 14 |
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| 15 | **/
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| 16 |
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| 17 | #ifndef _PCIEXPRESS31_H_
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| 18 | #define _PCIEXPRESS31_H_
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| 19 |
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| 20 | #include <IndustryStandard/PciExpress30.h>
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| 21 |
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| 22 | #pragma pack(1)
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| 23 |
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| 24 | #define PCI_EXPRESS_EXTENDED_CAPABILITY_L1_PM_SUBSTATES_ID 0x001E
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| 25 | #define PCI_EXPRESS_EXTENDED_CAPABILITY_L1_PM_SUBSTATES_VER1 0x1
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| 26 |
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| 27 | typedef union {
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| 28 | struct {
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| 29 | UINT32 PciPmL12 : 1;
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| 30 | UINT32 PciPmL11 : 1;
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| 31 | UINT32 AspmL12 : 1;
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| 32 | UINT32 AspmL11 : 1;
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| 33 | UINT32 L1PmSubstates : 1;
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| 34 | UINT32 Reserved : 3;
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| 35 | UINT32 CommonModeRestoreTime : 8;
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| 36 | UINT32 TPowerOnScale : 2;
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| 37 | UINT32 Reserved2 : 1;
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| 38 | UINT32 TPowerOnValue : 5;
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| 39 | UINT32 Reserved3 : 8;
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| 40 | } Bits;
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| 41 | UINT32 Uint32;
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| 42 | } PCI_EXPRESS_REG_L1_PM_SUBSTATES_CAPABILITY;
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| 43 |
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| 44 | typedef union {
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| 45 | struct {
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| 46 | UINT32 PciPmL12 : 1;
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| 47 | UINT32 PciPmL11 : 1;
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| 48 | UINT32 AspmL12 : 1;
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| 49 | UINT32 AspmL11 : 1;
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| 50 | UINT32 Reserved : 4;
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| 51 | UINT32 CommonModeRestoreTime : 8;
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| 52 | UINT32 LtrL12ThresholdValue : 10;
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| 53 | UINT32 Reserved2 : 3;
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| 54 | UINT32 LtrL12ThresholdScale : 3;
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| 55 | } Bits;
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| 56 | UINT32 Uint32;
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| 57 | } PCI_EXPRESS_REG_L1_PM_SUBSTATES_CONTROL1;
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| 58 |
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| 59 | typedef union {
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| 60 | struct {
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| 61 | UINT32 TPowerOnScale : 2;
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| 62 | UINT32 Reserved : 1;
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| 63 | UINT32 TPowerOnValue : 5;
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| 64 | UINT32 Reserved2 : 24;
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| 65 | } Bits;
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| 66 | UINT32 Uint32;
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| 67 | } PCI_EXPRESS_REG_L1_PM_SUBSTATES_CONTROL2;
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| 68 |
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| 69 | typedef struct {
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| 70 | PCI_EXPRESS_EXTENDED_CAPABILITIES_HEADER Header;
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| 71 | PCI_EXPRESS_REG_L1_PM_SUBSTATES_CAPABILITY Capability;
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| 72 | PCI_EXPRESS_REG_L1_PM_SUBSTATES_CONTROL1 Control1;
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| 73 | PCI_EXPRESS_REG_L1_PM_SUBSTATES_CONTROL2 Control2;
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| 74 | } PCI_EXPRESS_EXTENDED_CAPABILITIES_L1_PM_SUBSTATES;
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| 75 |
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| 76 | #pragma pack()
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| 77 |
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| 78 | #endif
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