poxinterfacekm.cpp File Reference

#include "pnppriv.hpp"
#include <initguid.h>
#include <wdmguid.h>

Include dependency graph for poxinterfacekm.cpp:

Go to the source code of this file.

Functions
	_Function_class_ (PO_FX_POWER_CONTROL_CALLBACK) _IRQL_requires_max_(DISPATCH_LEVEL) NTSTATUS FxPoxInterface

Function Documentation

_Function_class_()

_Function_class_

(

PO_FX_POWER_CONTROL_CALLBACK

)

Definition at line 208 of file poxinterfacekm.cpp.

{
    NTSTATUS status;
    PPOX_SETTINGS poxSettings = NULL;
    FxPoxInterface * pThis = NULL;
 
    pThis = (FxPoxInterface*) Context;
 
    DoTraceLevelMessage(
        pThis->m_PkgPnp->GetDriverGlobals(),
        TRACE_LEVEL_VERBOSE,
        TRACINGPNP,
        "WDFDEVICE 0x%p !devobj 0x%p PO_FX_POWER_CONTROL_CALLBACK invoked.",
        pThis->m_PkgPnp->GetDevice()->GetHandle(),
        pThis->m_PkgPnp->GetDevice()->GetDeviceObject()
        );
 
    //
    // If the client driver has specified power framework settings, retrieve
    // them.
    //
    poxSettings = pThis->GetPowerFrameworkSettings();
 
    //
    // The client driver must have specified a power control callback
    //
    ASSERT((NULL != poxSettings) &&
           (NULL != poxSettings->PowerControlCallback));
 
    //
    // Invoke the client driver's power control callback
    //
    status = poxSettings->PowerControlCallback(poxSettings->PoFxDeviceContext,
                                               PowerControlCode,
                                               InBuffer,
                                               InBufferSize,
                                               OutBuffer,
                                               OutBufferSize,
                                               BytesReturned);
 
    DoTraceLevelMessage(
        pThis->m_PkgPnp->GetDriverGlobals(),
        TRACE_LEVEL_VERBOSE,
        TRACINGPNP,
        "WDFDEVICE 0x%p !devobj 0x%p Client driver's "
        "PO_FX_POWER_CONTROL_CALLBACK returned %!STATUS!.",
        pThis->m_PkgPnp->GetDevice()->GetHandle(),
        pThis->m_PkgPnp->GetDevice()->GetDeviceObject(),
        status
        );
 
    return status;
}