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MdePkg/PciExpress40.h: DVSEC definition missing

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BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2598

All registers definition of DVSEC are defined as per the PCI Express Base
Specification 4.0 chapter 7.9.6.

Signed-off-by: Ashraf Javeed <ashraf.javeed@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Cc: Zhiguang Liu <zhiguang.liu@intel.com>
Reviewed-by: Zhiguang Liu <zhiguang.liu@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
This commit is contained in:
Javeed, Ashraf 2020-03-17 16:04:13 +08:00 committed by mergify[bot]
parent 01ce872739
commit 1b6b4a83e1
1 changed files with 28 additions and 0 deletions
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28
MdePkg/Include/IndustryStandard/PciExpress40.h
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@ -4,6 +4,7 @@ Support for the PCI Express 4.0 standard.
This header file may not define all structures. Please extend as required. This header file may not define all structures. Please extend as required.
Copyright (c) 2018, American Megatrends, Inc. All rights reserved.<BR> Copyright (c) 2018, American Megatrends, Inc. All rights reserved.<BR>
Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent SPDX-License-Identifier: BSD-2-Clause-Patent
**/ **/
@ -78,6 +79,33 @@ typedef struct {
} PCI_EXPRESS_EXTENDED_CAPABILITIES_PHYSICAL_LAYER_16_0; } PCI_EXPRESS_EXTENDED_CAPABILITIES_PHYSICAL_LAYER_16_0;
///@} ///@}
/// The Designated Vendor Specific Capability definitions
/// Based on section 7.9.6 of PCI Express Base Specification 4.0.
///@{
typedef union {
struct {
UINT32 DvsecVendorId : 16; //bit 0..15
UINT32 DvsecRevision : 4; //bit 16..19
UINT32 DvsecLength : 12; //bit 20..31
}Bits;
UINT32 Uint32;
}PCI_EXPRESS_DESIGNATED_VENDOR_SPECIFIC_HEADER_1;
typedef union {
struct {
UINT16 DvsecId : 16; //bit 0..15
}Bits;
UINT16 Uint16;
}PCI_EXPRESS_DESIGNATED_VENDOR_SPECIFIC_HEADER_2;
typedef struct {
PCI_EXPRESS_EXTENDED_CAPABILITIES_HEADER Header;
PCI_EXPRESS_DESIGNATED_VENDOR_SPECIFIC_HEADER_1 DesignatedVendorSpecificHeader1;
PCI_EXPRESS_DESIGNATED_VENDOR_SPECIFIC_HEADER_2 DesignatedVendorSpecificHeader2;
UINT8 DesignatedVendorSpecific[1];
}PCI_EXPRESS_EXTENDED_CAPABILITIES_DESIGNATED_VENDOR_SPECIFIC;
///@}
#pragma pack() #pragma pack()
#endif #endif