| /** @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 |