// video.h

typedef struct _VIDEO_PORT_WCMEMORYPROTECTION_INTERFACE {
  IN USHORT                  Size;
  IN USHORT                  Version;
  OUT PVOID                  Context;
  OUT PINTERFACE_REFERENCE   InterfaceReference;
  OUT PINTERFACE_DEREFERENCE InterfaceDereference;
  OUT PROTECT_WC_MEMORY      VideoPortProtectWCMemory;
  OUT RESTORE_WC_MEMORY      VideoPortRestoreWCMemory;
} VIDEO_PORT_WCMEMORYPROTECTION_INTERFACE, *PVIDEO_PORT_WCMEMORYPROTECTION_INTERFACE;
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Windows Driver Kit DDI reference (ns-video-_video_port_wcmemoryprotection_interface)

_VIDEO_PORT_WCMEMORYPROTECTION_INTERFACE structure

Description

The VIDEO_PORT_WCMEMORYPROTECTION_INTERFACE structure describes the Write Combined video memory protection service routines implemented by the video port driver. The protected video memory cannot be accessed by the CPU.

Members

`Size`

Specifies the size in bytes of this structure.

`Version`

Specifies the version of the interface to be returned by the miniport driver. The current interface version is defined in video.h, and has the form VIDEO_PORT_WCMEMORYPROTECTION_INTERFACE_VERSION_N.

`Context`

Pointer to a miniport driver-defined context for the interface.

`InterfaceReference`

Pointer to the video port driver-implemented reference routine for this interface.

`InterfaceDereference`

Pointer to the video port driver-implemented dereference routine for this interface.

`VideoPortProtectWCMemory`

Pointer to the video port driver's VideoPortProtectWCMemory callback routine.

`VideoPortRestoreWCMemory`

Pointer to the video port driver's VideoPortRestoreWCMemory callback routine.

VIDEO_PORT_WCMEMORYPROTECTION_INTERFACE - NtDoc