diff options
Diffstat (limited to 'src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/IndustryStandard/PciExpress31.h')
-rw-r--r-- | src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/IndustryStandard/PciExpress31.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/IndustryStandard/PciExpress31.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/IndustryStandard/PciExpress31.h new file mode 100644 index 0000000000..2e5e097be9 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/IndustryStandard/PciExpress31.h @@ -0,0 +1,72 @@ +/** @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 |