PCI_EXPRESS_ROOT_CAPABILITIES_REGISTER union (ntddk.h)
The PCI_EXPRESS_ROOT_CAPABILITIES_REGISTER structure describes a PCI Express (PCIe) root capabilities register of a PCIe capability structure.
Syntax
typedef union _PCI_EXPRESS_ROOT_CAPABILITIES_REGISTER {
struct {
USHORT CRSSoftwareVisibility :1;
USHORT Rsvd :15;
};
USHORT AsUSHORT;
} PCI_EXPRESS_ROOT_CAPABILITIES_REGISTER, *PPCI_EXPRESS_ROOT_CAPABILITIES_REGISTER;
Members
DUMMYSTRUCTNAME
DUMMYSTRUCTNAME.CRSSoftwareVisibility
A single bit that indicates that the root port is capable of returning configuration request retry status (CRS) completion status to software.
DUMMYSTRUCTNAME.Rsvd
Reserved.
AsUSHORT
A USHORT representation of the contents of the PCI_EXPRESS_ROOT_CAPABILITIES_REGISTER structure.
Remarks
The PCI_EXPRESS_ROOT_CAPABILITIES_REGISTER structure is available in Windows Server 2008 and later versions of Windows.
A PCI_EXPRESS_ROOT_CAPABILITIES_REGISTER structure is contained in the PCI_EXPRESS_CAPABILITY structure.
Requirements
Requirement | Value |
---|---|
Header | ntddk.h (include Ntddk.h, Miniport.h) |