/*++
Copyright (c) Microsoft. All rights reserved.
Module Name:
PowerPolicyStateMachine.cpp
Abstract:
This module implements the Power Policy state machine for the driver
framework. This code was split out from FxPkgPnp.cpp.
Author:
Environment:
Both kernel and user mode
Revision History:
--*/
#include "pnppriv.hpp"
#if FX_IS_KERNEL_MODE
#include <usbdrivr.h>
#endif
#include "FxUsbIdleInfo.hpp"
extern "C" {
#if defined(EVENT_TRACING)
#include "PowerPolicyStateMachine.tmh"
#endif
}
//
// The Power Policy State Machine
//
// This state machine responds to the following events:
//
// PowerUp
// PowerDown
// PowerPolicyStart
// PowerPolicyStop
// IRP_MN_SET_POWER -- System State S0
// IRP_MN_SET_POWER -- System State Sx
// PowerTimeoutExpired
// IoPresent
// IRP_MN_WAIT_WAKE Complete
// IRP_MN_WAIT_WAKE Failed
//
#if FX_SUPER_DBG
#define ASSERT_PWR_POL_STATE(_This, _State) \
ASSERT((_This)->m_Device->GetDevicePowerPolicyState() == (_State))
#else
#define ASSERT_PWR_POL_STATE(_This, _State) (0)
#endif
#if FX_STATE_MACHINE_VERIFY
#define VALIDATE_PWR_POL_STATE(_CurrentState, _NewState) \
ValidatePwrPolStateEntryFunctionReturnValue((_CurrentState), (_NewState))
#else
#define VALIDATE_PWR_POL_STATE(_CurrentState, _NewState) (0)
#endif //FX_STATE_MACHINE_VERIFY
//
// Define to control whether Directed power transitions (DFx) should be
// supported for devices that are not idle-capable. By default, directed
// transitions are not supported for such devices. They can be enabled for
// testing purposes though.
//
// #define WDF_ALLOW_DFX_FOR_NON_IDLE_CAPABLE_DEVICES
// @@SMVERIFY_SPLIT_BEGIN
const POWER_POLICY_EVENT_TARGET_STATE FxPkgPnp::m_PowerPolObjectCreatedOtherStates[] =
{
{ PwrPolRemove, WdfDevStatePwrPolRemoved DEBUGGED_EVENT },
{ PwrPolNull, WdfDevStatePwrPolNull },
};
const POWER_POLICY_EVENT_TARGET_STATE FxPkgPnp::m_PowerPolStartingOtherStates[] =
{
{ PwrPolPowerUpFailed, WdfDevStatePwrPolStartingFailed DEBUGGED_EVENT },
{ PwrPolNull, WdfDevStatePwrPolNull },
};
const POWER_POLICY_EVENT_TARGET_STATE FxPkgPnp::m_PowerPolStartedIdleCapableOtherStates[] =
{
{ PwrPolSx, WdfDevStatePwrPolStartedIdleCapableCancelTimerForSleep DEBUGGED_EVENT },
{ PwrPolStop, WdfDevStatePwrPolStoppingCancelTimer DEBUGGED_EVENT },
{ PwrPolSurpriseRemove,WdfDevStatePwrPolStoppingCancelTimer DEBUGGED_EVENT },
{ PwrPolS0IdlePolicyChanged, WdfDevStatePwrPolStartedCancelTimer DEBUGGED_EVENT },
{ PwrPolDeviceDirectedPowerDown, WdfDevStatePwrPolStartedIdleCapableCancelTimerForSleep DEBUGGED_EVENT },
{ PwrPolNull, WdfDevStatePwrPolNull },
};
const POWER_POLICY_EVENT_TARGET_STATE FxPkgPnp::m_PowerPolIdleCapableDeviceIdleOtherStates[] =
{
{ PwrPolSx, WdfDevStatePwrPolDeviceIdleSleeping DEBUGGED_EVENT },
{ PwrPolStop, WdfDevStatePwrPolDeviceIdleStopping DEBUGGED_EVENT },
{ PwrPolSurpriseRemove,WdfDevStatePwrPolDeviceIdleStopping DEBUGGED_EVENT },
{ PwrPolS0IdlePolicyChanged, WdfDevStatePwrPolDeviceIdleReturnToActive DEBUGGED_EVENT },
{ PwrPolIoPresent, WdfDevStatePwrPolDeviceIdleReturnToActive DEBUGGED_EVENT },
{ PwrPolDeviceDirectedPowerDown, WdfDevStatePwrPolIdleCapableDirectedDownTriggerDPNR DEBUGGED_EVENT },
{ PwrPolNull, WdfDevStatePwrPolNull },
};
const POWER_POLICY_EVENT_TARGET_STATE FxPkgPnp::m_PowerPolTimerExpiredNoWakeOtherStates[] =
{
{ PwrPolPowerDown, WdfDevStatePwrPolTimerExpiredNoWakePowerDownNotProcessed TRAP_ON_EVENT },
{ PwrPolNull, WdfDevStatePwrPolNull },
};
const POWER_POLICY_EVENT_TARGET_STATE FxPkgPnp::m_PowerPolTimerExpiredNoWakeCompletePowerDownOtherStates[] =
{
{ PwrPolPowerDownFailed, WdfDevStatePwrPolDevicePowerRequestFailed DEBUGGED_EVENT },
{ PwrPolNull, WdfDevStatePwrPolNull },
};
const POWER_POLICY_EVENT_TARGET_STATE FxPkgPnp::m_PowerPolWaitingUnarmedOtherStates[] =
{
{ PwrPolSx, WdfDevStatePwrPolSystemSleepFromDeviceWaitingUnarmed DEBUGGED_EVENT },
{ PwrPolStop, WdfDevStatePwrPolStoppingResetDevice DEBUGGED_EVENT },
{ PwrPolSurpriseRemove, WdfDevStatePwrPolStoppingCancelTimer DEBUGGED_EVENT },
{ PwrPolS0IdlePolicyChanged, WdfDevStatePwrPolS0NoWakePowerUp DEBUGGED_EVENT },
{ PwrPolDevicePowerRequired, WdfDevStatePwrPolS0NoWakePowerUp DEBUGGED_EVENT },
{ PwrPolNull, WdfDevStatePwrPolNull },
};
const POWER_POLICY_EVENT_TARGET_STATE FxPkgPnp::m_PowerPolS0NoWakePowerUpOtherStates[] =
{
{ PwrPolPowerUpFailed, WdfDevStatePwrPolDevicePowerRequestFailed DEBUGGED_EVENT },
{ PwrPolPowerUpNotSeen, WdfDevStatePwrPolDeviceD0PowerRequestFailed TRAP_ON_EVENT },
{ PwrPolNull, WdfDevStatePwrPolNull },
};
const POWER_POLICY_EVENT_TARGET_STATE FxPkgPnp::m_PowerPolS0NoWakeCompletePowerUpOtherStates[] =
{
{ PwrPolPowerUpFailed, WdfDevStatePwrPolDevicePowerRequestFailed DEBUGGED_EVENT },
{ PwrPolNull, WdfDevStatePwrPolNull },
};
const POWER_POLICY_EVENT_TARGET_STATE FxPkgPnp::m_PowerPolSystemSleepNeedWakeOtherStates[] =
{
{ PwrPolPowerUpFailed, WdfDevStatePwrPolSystemSleepPowerRequestFailed DEBUGGED_EVENT },
{ PwrPolPowerUpNotSeen, WdfDevStatePwrPolPowerUpForSystemSleepNotSeen TRAP_ON_EVENT },
{ PwrPolNull, WdfDevStatePwrPolNull },
};
const POWER_POLICY_EVENT_TARGET_STATE FxPkgPnp::m_PowerPolSystemSleepNeedWakeCompletePowerUpOtherStates[] =
{
{ PwrPolPowerUpFailed, WdfDevStatePwrPolSystemSleepPowerRequestFailed DEBUGGED_EVENT },
{ PwrPolNull, WdfDevStatePwrPolNull },
};
const POWER_POLICY_EVENT_TARGET_STATE FxPkgPnp::m_PowerPolSystemAsleepWakeArmedOtherStates[] =
{
{ PwrPolWakeSuccess, WdfDevStatePwrPolSystemWakeDeviceWakeTriggered DEBUGGED_EVENT },
{ PwrPolWakeInterruptFired, WdfDevStatePwrPolSystemWakeDeviceWakeInterruptFired DEBUGGED_EVENT },
{ PwrPolNull, WdfDevStatePwrPolNull },
};
const POWER_POLICY_EVENT_TARGET_STATE FxPkgPnp::m_PowerPolSystemAsleepWakeArmedNPOtherStates[] =
{
{ PwrPolWakeSuccess, WdfDevStatePwrPolSystemWakeDeviceWakeTriggeredNP DEBUGGED_EVENT },
{ PwrPolWakeInterruptFired, WdfDevStatePwrPolSystemWakeDeviceWakeInterruptFiredNP TRAP_ON_EVENT },
{ PwrPolNull, WdfDevStatePwrPolNull },
};
const POWER_POLICY_EVENT_TARGET_STATE FxPkgPnp::m_PowerPolSystemWakeDeviceToD0OtherStates[] =
{
{ PwrPolPowerUpFailed, WdfDevStatePwrPolSystemWakeDevicePowerRequestFailed DEBUGGED_EVENT },
{ PwrPolPowerUpNotSeen, WdfDevStatePwrPolSystemWakeDeviceD0PowerRequestFailed TRAP_ON_EVENT },
{ PwrPolNull, WdfDevStatePwrPolNull },
};
const POWER_POLICY_EVENT_TARGET_STATE FxPkgPnp::m_PowerPolSystemWakeDeviceToD0CompletePowerUpOtherStates[] =
{
{ PwrPolPowerUpFailed, WdfDevStatePwrPolDevicePowerRequestFailed DEBUGGED_EVENT },
{ PwrPolNull, WdfDevStatePwrPolNull },
};
const POWER_POLICY_EVENT_TARGET_STATE FxPkgPnp::m_PowerPolStartedWakeCapableOtherStates[] =
{
{ PwrPolSx, WdfDevStatePwrPolStartedWakeCapableCancelTimerForSleep DEBUGGED_EVENT },
{ PwrPolStop, WdfDevStatePwrPolStoppingCancelTimer DEBUGGED_EVENT },
{ PwrPolSurpriseRemove, WdfDevStatePwrPolStoppingCancelTimer DEBUGGED_EVENT },
{ PwrPolS0IdlePolicyChanged, WdfDevStatePwrPolStartedCancelTimer DEBUGGED_EVENT },
{ PwrPolDeviceDirectedPowerDown, WdfDevStatePwrPolStartedWakeCapableCancelTimerForSleep DEBUGGED_EVENT },
{ PwrPolNull, WdfDevStatePwrPolNull },
};
const POWER_POLICY_EVENT_TARGET_STATE FxPkgPnp::m_PowerPolWakeCapableDeviceIdleOtherStates[] =
{
{ PwrPolSx, WdfDevStatePwrPolDeviceIdleSleeping DEBUGGED_EVENT },
{ PwrPolStop, WdfDevStatePwrPolDeviceIdleStopping TRAP_ON_EVENT },
{ PwrPolSurpriseRemove,WdfDevStatePwrPolDeviceIdleStopping DEBUGGED_EVENT },
{ PwrPolS0IdlePolicyChanged, WdfDevStatePwrPolDeviceIdleReturnToActive TRAP_ON_EVENT },
{ PwrPolIoPresent, WdfDevStatePwrPolDeviceIdleReturnToActive DEBUGGED_EVENT },
{ PwrPolDeviceDirectedPowerDown, WdfDevStatePwrPolWakeCapableDirectedDownTriggerDPNR DEBUGGED_EVENT },
{ PwrPolNull, WdfDevStatePwrPolNull },
Windows驱动开发框架WDF源码，来自微软Github
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Windows驱动开发框架WDF源码，来自微软Github （1193个子文件） 
probeandlock.c 1KB powerpolicystatemachine.cpp 322KB vfwdfdynamics.cpp 225KB fxpkgpnp.cpp 203KB fxioqueue.cpp 188KB powerstatemachine.cpp 151KB vfwdfdynamics.cpp 135KB pnpstatemachine.cpp 131KB fxrequestapi.cpp 101KB fxchildlist.cpp 99KB fxdeviceapi.cpp 86KB fxrequest.cpp 86KB fxiotarget.cpp 76KB fxdeviceinitapi.cpp 73KB fxusbdevice.cpp 67KB fxdevice.cpp 64KB fxpkggeneral.cpp 60KB fxiotargetapi.cpp 58KB fxdeviceum.cpp 58KB fxusbpipe.cpp 55KB globals.cpp 54KB fxwmiirphandler.cpp 52KB interruptobject.cpp 52KB fxpkgio.cpp 50KB fxpkgpdo.cpp 47KB pnpcallbacks.cpp 46KB poweridlestatemachine.cpp 46KB fxdeviceapium.cpp 44KB fxregistryapi.cpp 43KB fxdmatransactionapi.cpp 41KB fxusbdeviceapi.cpp 40KB fxpkgfdo.cpp 37KB fxioqueueapi.cpp 37KB fxdmatransactionpacket.cpp 37KB fxobject.cpp 36KB fxdmaenabler.cpp 36KB fxusbdevicekm.cpp 33KB fxpkgpnpkm.cpp 33KB fxobjectstatemachine.cpp 33KB fxirpum.cpp 33KB fxbugcheckcallback.cpp 33KB fxcxdeviceinitapi.cpp 32KB fxusbinterface.cpp 31KB fxinterruptapi.cpp 31KB fxdmatransactionbase.cpp 31KB fxresourceapi.cpp 30KB fxdevicekm.cpp 29KB fxusbdeviceum.cpp 29KB fxverifierlock.cpp 27KB fxchildlistapi.cpp 26KB vfeventhooks.cpp 25KB fxrequestkm.cpp 24KB poxinterface.cpp 24KB fxlibrarycommon.cpp 24KB fxusbpipeapi.cpp 23KB fxdeviceapikm.cpp 23KB interruptobjectum.cpp 23KB fxirpqueue.cpp 23KB fxiotargetremote.cpp 23KB fxrequestbase.cpp 22KB version.cpp 21KB fxdriverum.cpp 21KB fxresourcecollectionum.cpp 21KB fxtimer.cpp 20KB fxtelemetrykm.cpp 20KB fxlibrarycommon.cpp 20KB fxdriver.cpp 20KB handleapi.cpp 20KB wdfpool.cpp 20KB fxwmiinstance.cpp 20KB fxdriverapi.cpp 20KB usbutil.cpp 19KB verifier.cpp 19KB fxiotargetremoteum.cpp 19KB fxresourcecollection.cpp 18KB tracingifrreplay.cpp 18KB tracingum.cpp 18KB devicepwrreqstatemachine.cpp 17KB poxinterfacekm.cpp 16KB notpowerpolicyownerstatemachine.cpp 16KB fxdmaenablerapi.cpp 16KB cxpnppowercallbacks.cpp 16KB selfmanagediostatemachine.cpp 15KB fxfileobject.cpp 15KB fxpkgfdokm.cpp 15KB fxdmatransactionscattergather.cpp 15KB fxiotargetkm.cpp 15KB fxioqueuekm.cpp 15KB tracing.cpp 14KB interruptobjectkm.cpp 14KB fxwmiprovider.cpp 14KB wakeinterruptstatemachine.cpp 13KB fxworkitem.cpp 13KB fxdeviceinterfaceapi.cpp 13KB fxtelemetryum.cpp 13KB fxsystemthread.cpp 13KB fdopower.cpp 13KB fxtransactionedlist.cpp 13KB fxdevicepdoapi.cpp 12KB fxusbinterfaceapi.cpp 12KB共 1193 条
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