PCI_EXPRESS_CAPABILITIES_REGISTER union (ntddk.h)

The PCI_EXPRESS_CAPABILITIES_REGISTER structure describes a PCI Express (PCIe) capabilities register of a PCIe capability structure.

Syntax

typedef union _PCI_EXPRESS_CAPABILITIES_REGISTER {
  struct {
    USHORT CapabilityVersion  :4;
    USHORT DeviceType  :4;
    USHORT SlotImplemented  :1;
    USHORT InterruptMessageNumber  :5;
    USHORT Rsvd  :2;
  };
  USHORT AsUSHORT;
} PCI_EXPRESS_CAPABILITIES_REGISTER, *PPCI_EXPRESS_CAPABILITIES_REGISTER;

Members

DUMMYSTRUCTNAME

DUMMYSTRUCTNAME.CapabilityVersion

DUMMYSTRUCTNAME.DeviceType

DUMMYSTRUCTNAME.SlotImplemented

DUMMYSTRUCTNAME.InterruptMessageNumber

DUMMYSTRUCTNAME.Rsvd

AsUSHORT

A USHORT representation of the contents of the PCI_EXPRESS_CAPABILITIES_REGISTER structure.

Remarks

The PCI_EXPRESS_CAPABILITIES_REGISTER structure is available in Windows Server 2008 and later versions of Windows.

A PCI_EXPRESS_CAPABILITIES_REGISTER structure is contained in the PCI_EXPRESS_CAPABILITY structure.

Requirements

   
Header ntddk.h (include Ntddk.h, Miniport.h)

See also

PCI_EXPRESS_CAPABILITY