audk/MdePkg/Include/IndustryStandard/PciExpress30.h

52 lines
1.5 KiB
C

/** @file
Support for the PCI Express 3.0 standard.
This header file may not define all structures. Please extend as required.
Copyright (c) 2014 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef _PCIEXPRESS30_H_
#define _PCIEXPRESS30_H_
#include <IndustryStandard/PciExpress21.h>
#pragma pack(1)
#define PCI_EXPRESS_EXTENDED_CAPABILITY_SECONDARY_PCIE_ID 0x0019
#define PCI_EXPRESS_EXTENDED_CAPABILITY_SECONDARY_PCIE_VER1 0x1
typedef union {
struct {
UINT32 PerformEqualization : 1;
UINT32 LinkEqualizationRequestInterruptEnable : 1;
UINT32 Reserved : 30;
} Bits;
UINT32 Uint32;
} PCI_EXPRESS_REG_LINK_CONTROL3;
typedef union {
struct {
UINT16 DownstreamPortTransmitterPreset : 4;
UINT16 DownstreamPortReceiverPresetHint : 3;
UINT16 Reserved : 1;
UINT16 UpstreamPortTransmitterPreset : 4;
UINT16 UpstreamPortReceiverPresetHint : 3;
UINT16 Reserved2 : 1;
} Bits;
UINT16 Uint16;
} PCI_EXPRESS_REG_LANE_EQUALIZATION_CONTROL;
typedef struct {
PCI_EXPRESS_EXTENDED_CAPABILITIES_HEADER Header;
PCI_EXPRESS_REG_LINK_CONTROL3 LinkControl3;
UINT32 LaneErrorStatus;
PCI_EXPRESS_REG_LANE_EQUALIZATION_CONTROL EqualizationControl[2];
} PCI_EXPRESS_EXTENDED_CAPABILITIES_SECONDARY_PCIE;
#pragma pack()
#endif