| Ronak Kanabar | 1ae366f | 2023-06-07 01:21:56 +0530 | [diff] [blame^] | 1 | /** @file |
| 2 | Support for the PCI Express 3.0 standard. |
| 3 | |
| 4 | This header file may not define all structures. Please extend as required. |
| 5 | |
| 6 | Copyright (c) 2014 - 2018, Intel Corporation. All rights reserved.<BR> |
| 7 | SPDX-License-Identifier: BSD-2-Clause-Patent |
| 8 | |
| 9 | **/ |
| 10 | |
| 11 | #ifndef _PCIEXPRESS30_H_ |
| 12 | #define _PCIEXPRESS30_H_ |
| 13 | |
| 14 | #include <IndustryStandard/PciExpress21.h> |
| 15 | |
| 16 | #pragma pack(1) |
| 17 | |
| 18 | #define PCI_EXPRESS_EXTENDED_CAPABILITY_SECONDARY_PCIE_ID 0x0019 |
| 19 | #define PCI_EXPRESS_EXTENDED_CAPABILITY_SECONDARY_PCIE_VER1 0x1 |
| 20 | |
| 21 | typedef union { |
| 22 | struct { |
| 23 | UINT32 PerformEqualization : 1; |
| 24 | UINT32 LinkEqualizationRequestInterruptEnable : 1; |
| 25 | UINT32 Reserved : 30; |
| 26 | } Bits; |
| 27 | UINT32 Uint32; |
| 28 | } PCI_EXPRESS_REG_LINK_CONTROL3; |
| 29 | |
| 30 | typedef union { |
| 31 | struct { |
| 32 | UINT16 DownstreamPortTransmitterPreset : 4; |
| 33 | UINT16 DownstreamPortReceiverPresetHint : 3; |
| 34 | UINT16 Reserved : 1; |
| 35 | UINT16 UpstreamPortTransmitterPreset : 4; |
| 36 | UINT16 UpstreamPortReceiverPresetHint : 3; |
| 37 | UINT16 Reserved2 : 1; |
| 38 | } Bits; |
| 39 | UINT16 Uint16; |
| 40 | } PCI_EXPRESS_REG_LANE_EQUALIZATION_CONTROL; |
| 41 | |
| 42 | typedef struct { |
| 43 | PCI_EXPRESS_EXTENDED_CAPABILITIES_HEADER Header; |
| 44 | PCI_EXPRESS_REG_LINK_CONTROL3 LinkControl3; |
| 45 | UINT32 LaneErrorStatus; |
| 46 | PCI_EXPRESS_REG_LANE_EQUALIZATION_CONTROL EqualizationControl[2]; |
| 47 | } PCI_EXPRESS_EXTENDED_CAPABILITIES_SECONDARY_PCIE; |
| 48 | |
| 49 | #pragma pack() |
| 50 | |
| 51 | #endif |