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FN_VMB_CHANNEL_UNMAP_GPADL callback function (vmbuskernelmodeclientlibapi.h)

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The VmbChannelUnmapGpadl function unmaps a Guest Physical Address Descriptor List (GPADL) mapped using by the VmbChannelMapGpadl function. The buffer must no longer be in use by the server before this function is called.

Syntax

FN_VMB_CHANNEL_UNMAP_GPADL FnVmbChannelUnmapGpadl;

void FnVmbChannelUnmapGpadl(
  VMBCHANNEL Channel,
  UINT32 GpadlHandle
)
{...}

Parameters

Channel

A handle for a channel.

GpadlHandle

The handle of the GPADL to unmap.

Return value

None

Remarks

Important

This function is called through the VMBus Kernel Mode Client Library (KMCL) interface, provided by the Vmbkmcl.sys bus driver. This is a server-only function accessed from the KMCL_SERVER_ONLY_METHODS structure.

For more information, see the Remarks section of KMCL_SERVER_ONLY_METHODS.

Requirements

Requirement Value
Minimum supported client Windows 10, version 1803
Header vmbuskernelmodeclientlibapi.h

See also

VmbChannelMapGpadl