VIDEO_PORT_WCMEMORYPROTECTION_INTERFACE structure (video.h)
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.
Syntax
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;
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.
Requirements
| Requirement | Value |
|---|---|
| Header | video.h (include Video.h) |