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PCI_EXPRESS_DESIGNATED_VENDOR_SPECIFIC_HEADER_1 union (ntddk.h)

  • Article

Represents the Designated Vendor-Specific Extended Capability defined by PCI-SIG.

For information about this structure, see; PCI-SIG ENGINEERING CHANGE NOTICE titled Designated Vendor-Specific Extended Capability, section Designated Vendor-Specific Header 1.

Syntax

typedef union _PCI_EXPRESS_DESIGNATED_VENDOR_SPECIFIC_HEADER_1 {
  struct {
    ULONG DvsecVendorId : 16;
    ULONG DvsecVersion : 4;
    ULONG DvsecLength : 12;
  } DUMMYSTRUCTNAME;
  ULONG  AsULONG;
} PCI_EXPRESS_DESIGNATED_VENDOR_SPECIFIC_HEADER_1, *PPCI_EXPRESS_DESIGNATED_VENDOR_SPECIFIC_HEADER_1;

Members

DUMMYSTRUCTNAME

DUMMYSTRUCTNAME.DvsecVendorId

DUMMYSTRUCTNAME.DvsecVersion

DUMMYSTRUCTNAME.DvsecLength

AsULONG

Requirements

Requirement Value
Minimum supported client Windows 10, version 1803
Header ntddk.h