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MdePkg/PciExpress40.h: DVSEC definition missing 

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.
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
**/
@ -78,6 +79,33 @@ typedef struct {
} 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()
#endif