// dispmprt.h

DXGKDDI_OPM_GET_SRM_LIST_VERSION DxgkddiOpmGetSrmListVersion;

NTSTATUS DxgkddiOpmGetSrmListVersion(
  PVOID MiniportDeviceContext,
  PULONG SrmListVersionSize,
  PVOID SrmListVersionBuffer
)
{...}
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Windows Driver Kit DDI reference (nc-dispmprt-dxgkddi_opm_get_srm_list_version)

DXGKDDI_OPM_GET_SRM_LIST_VERSION callback function

Description

The DxgkDdiOPMGetSrmListVersion function retrieves the version number of the output protection manager (OPM) system renewability message (SRM) list currently being used.

Parameters

`MiniportDeviceContext`

Handle to a context block associated with a display adapter. Previously, the display miniport driver's DxgkDdiAddDevice function provided this handle to the DirectX graphics kernel subsystem.

`SrmListVersionSize`

The size, in bytes, of the buffer that SrmListVersionBuffer points to.

`SrmListVersionBuffer`

Pointer to a buffer containing the SRM list version.

Return value

DxgkDdiOPMGetSrmListVersion returns STATUS_SUCCESS if it succeeds. Otherwise, it returns one of the error codes that are defined in Ntstatus.h.

DXGKDDI_OPM_GET_SRM_LIST_VERSION - NtDoc