/** @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> | |
SPDX-License-Identifier: BSD-2-Clause-Patent | |
**/ | |
#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 |