*/
#include <libkern/c++/OSKext.h>
#include <libkern/c++/OSMetaClass.h>
+#include <libkern/OSDebug.h>
#include <IOKit/IOWorkLoop.h>
#include <IOKit/IOCommandGate.h>
#include <IOKit/IOPlatformExpert.h>
kPowerEventSystemShutdown,
kPowerEventUserDisabledSleep,
kPowerEventConfigdRegisteredInterest,
- kPowerEventAggressivenessChanged
+ kPowerEventAggressivenessChanged,
+ kPowerEventAssertionCreate, // 8
+ kPowerEventAssertionRelease, // 9
+ kPowerEventAssertionSetLevel // 10
};
extern "C" {
static void notifySystemShutdown( IOService * root, unsigned long event );
static bool clientMessageFilter( OSObject * object, void * context );
static void handleAggressivesFunction( thread_call_param_t param1, thread_call_param_t param2 );
+static void pmEventTimeStamp(uint64_t *recordTS);
// "IOPMSetSleepSupported" callPlatformFunction name
static const OSSymbol *sleepSupportedPEFunction = NULL;
+static const OSSymbol *sleepMessagePEFunction = NULL;
#define kIOSleepSupportedKey "IOSleepSupported"
#define kIOPMRootDomainRunStateKey "Run State"
#define kIOPMRootDomainWakeTypeMaintenance "Maintenance"
+#define kIOPMRootDomainWakeTypeSleepTimer "SleepTimer"
+#define kIOPMrootDomainWakeTypeLowBattery "LowBattery"
#endif /* ROOT_DOMAIN_RUN_STATES */
void free(void);
};
+/*
+ * PMAssertionsTracker
+ * Tracks kernel and user space PM assertions
+ */
+class PMAssertionsTracker : public OSObject
+{
+ OSDeclareFinalStructors(PMAssertionsTracker)
+public:
+ static PMAssertionsTracker *pmAssertionsTracker( IOPMrootDomain * );
+
+ IOReturn createAssertion(IOPMDriverAssertionType, IOPMDriverAssertionLevel, IOService *, const char *, IOPMDriverAssertionID *);
+ IOReturn releaseAssertion(IOPMDriverAssertionID);
+ IOReturn setAssertionLevel(IOPMDriverAssertionID, IOPMDriverAssertionLevel);
+ IOReturn setUserAssertionLevels(IOPMDriverAssertionType);
+
+ OSArray *copyAssertionsArray(void);
+ IOPMDriverAssertionType getActivatedAssertions(void);
+ IOPMDriverAssertionLevel getAssertionLevel(IOPMDriverAssertionType);
+
+ IOReturn handleCreateAssertion(OSData *);
+ IOReturn handleReleaseAssertion(IOPMDriverAssertionID);
+ IOReturn handleSetAssertionLevel(IOPMDriverAssertionID, IOPMDriverAssertionLevel);
+ IOReturn handleSetUserAssertionLevels(void * arg0);
+ void publishProperties(void);
+
+private:
+ typedef struct {
+ IOPMDriverAssertionID id;
+ IOPMDriverAssertionType assertionBits;
+ uint64_t createdTime;
+ uint64_t modifiedTime;
+ const OSSymbol *ownerString;
+ IOService *ownerService;
+ IOPMDriverAssertionLevel level;
+ } PMAssertStruct;
+
+ uint32_t tabulateProducerCount;
+ uint32_t tabulateConsumerCount;
+
+ PMAssertStruct *detailsForID(IOPMDriverAssertionID, int *);
+ void tabulate(void);
+
+ IOPMrootDomain *owner;
+ OSArray *assertionsArray;
+ IOLock *assertionsArrayLock;
+ IOPMDriverAssertionID issuingUniqueID;
+ IOPMDriverAssertionType assertionsKernel;
+ IOPMDriverAssertionType assertionsUser;
+ IOPMDriverAssertionType assertionsCombined;
+};
+
+OSDefineMetaClassAndFinalStructors(PMAssertionsTracker, OSObject);
/*
* PMTraceWorker
gIOPMStatsApplicationResponseSlow = OSSymbol::withCString(kIOPMStatsResponseSlow);
sleepSupportedPEFunction = OSSymbol::withCString("IOPMSetSleepSupported");
+ sleepMessagePEFunction = OSSymbol::withCString("IOPMSystemSleepMessage");
const OSSymbol *settingsArr[kRootDomainSettingsCount] =
{
pmTracer = PMTraceWorker::tracer(this);
+ pmAssertions = PMAssertionsTracker::pmAssertionsTracker(this);
+
updateRunState(kRStateNormal);
userDisabledAllSleep = false;
allowSleep = true;
pmTracer->traceLoginWindowPhase( n->unsigned8BitValue() );
}
+ if ((b = OSDynamicCast(OSBoolean, dict->getObject(kIOPMDeepSleepEnabledKey))))
+ {
+ setProperty(kIOPMDeepSleepEnabledKey, b);
+ }
+ if ((n = OSDynamicCast(OSNumber, dict->getObject(kIOPMDeepSleepDelayKey))))
+ {
+ setProperty(kIOPMDeepSleepDelayKey, n);
+ }
+
// Relay our allowed PM settings onto our registered PM clients
for(i = 0; i < allowedPMSettings->getCount(); i++) {
if(idle_seconds_string) idle_seconds_string->release();
if(sleepdisabled_string) sleepdisabled_string->release();
if(ondeck_sleepwake_uuid_string) ondeck_sleepwake_uuid_string->release();
+ if(loginwindow_tracepoint_string) loginwindow_tracepoint_string->release();
#if HIBERNATION
if(hibernatemode_string) hibernatemode_string->release();
if(hibernatefile_string) hibernatefile_string->release();
{
// Log specific sleep cause for OS Switch hibernation
- return privateSleepSystem( kIOPMOSSwitchHibernationKey) ;
+ return privateSleepSystem( kIOPMSleepReasonOSSwitchHibernation);
} else {
- return privateSleepSystem( kIOPMSoftwareSleepKey);
+ return privateSleepSystem( kIOPMSleepReasonSoftware);
}
}
/* private */
-IOReturn IOPMrootDomain::privateSleepSystem( const char *sleepReason )
+IOReturn IOPMrootDomain::privateSleepSystem( uint32_t sleepReason )
{
+ static const char * IOPMSleepReasons[kIOPMSleepReasonMax] = {
+ "",
+ kIOPMClamshellSleepKey,
+ kIOPMPowerButtonSleepKey,
+ kIOPMSoftwareSleepKey,
+ kIOPMOSSwitchHibernationKey,
+ kIOPMIdleSleepKey,
+ kIOPMLowPowerSleepKey,
+ kIOPMClamshellSleepKey,
+ kIOPMThermalEmergencySleepKey
+ };
if ( userDisabledAllSleep )
{
LOG("Sleep prevented by user disable\n");
}
// Record sleep cause in IORegistry
- if (sleepReason) {
- setProperty(kRootDomainSleepReasonKey, sleepReason);
+ lastSleepReason = sleepReason;
+ if (sleepReason && (sleepReason < kIOPMSleepReasonMax)) {
+ setProperty(kRootDomainSleepReasonKey, IOPMSleepReasons[sleepReason]);
}
patriarch->sleepSystem();
tracePoint(kIOPMTracePointSystemHibernatePhase);
IOHibernateSystemHasSlept();
+
+ evaluateSystemSleepPolicyFinal();
#else
LOG("System Sleep\n");
#endif
// log system wake
getPlatform()->PMLog(kIOPMrootDomainClass, kPMLogSystemWake, 0, 0);
+ lowBatteryCondition = false;
#ifndef __LP64__
// tell the tree we're waking
#if defined(__i386__) || defined(__x86_64__)
+ sleepTimerMaintenance = false;
#if ROOT_DOMAIN_RUN_STATES
OSString * wakeType = OSDynamicCast(
OSString, getProperty(kIOPMRootDomainWakeTypeKey));
- if (wakeType && wakeType->isEqualTo(kIOPMRootDomainWakeTypeMaintenance))
+ if (wakeType && wakeType->isEqualTo(kIOPMrootDomainWakeTypeLowBattery))
+ {
+ lowBatteryCondition = true;
+ updateRunState(kRStateMaintenance);
+ wranglerTickled = false;
+ }
+ else if (wakeType && !hibernateAborted && wakeType->isEqualTo(kIOPMRootDomainWakeTypeSleepTimer))
+ {
+ sleepTimerMaintenance = true;
+ updateRunState(kRStateMaintenance);
+ wranglerTickled = false;
+ }
+ else if (wakeType && !hibernateAborted && wakeType->isEqualTo(kIOPMRootDomainWakeTypeMaintenance))
{
updateRunState(kRStateMaintenance);
wranglerTickled = false;
(runStateIndex == kRStateMaintenance) &&
!wranglerTickled)
{
- setProperty(kRootDomainSleepReasonKey, kIOPMMaintenanceSleepKey);
+ if (lowBatteryCondition)
+ {
+ lastSleepReason = kIOPMSleepReasonLowPower;
+ setProperty(kRootDomainSleepReasonKey, kIOPMLowPowerSleepKey);
+ }
+ else
+ {
+ lastSleepReason = kIOPMSleepReasonMaintenance;
+ setProperty(kRootDomainSleepReasonKey, kIOPMMaintenanceSleepKey);
+ }
changePowerStateWithOverrideTo(SLEEP_STATE);
}
}
+#if HIBERNATION
+
+//******************************************************************************
+// evaluateSystemSleepPolicy
+//******************************************************************************
+
+struct IOPMSystemSleepPolicyEntry
+{
+ uint32_t factorMask;
+ uint32_t factorBits;
+ uint32_t sleepFlags;
+ uint32_t wakeEvents;
+};
+
+struct IOPMSystemSleepPolicyTable
+{
+ uint8_t signature[4];
+ uint16_t version;
+ uint16_t entryCount;
+ IOPMSystemSleepPolicyEntry entries[];
+};
+
+enum {
+ kIOPMSleepFactorSleepTimerWake = 0x00000001,
+ kIOPMSleepFactorLidOpen = 0x00000002,
+ kIOPMSleepFactorACPower = 0x00000004,
+ kIOPMSleepFactorLowBattery = 0x00000008,
+ kIOPMSleepFactorDeepSleepNoDelay = 0x00000010,
+ kIOPMSleepFactorDeepSleepDemand = 0x00000020,
+ kIOPMSleepFactorDeepSleepDisable = 0x00000040,
+ kIOPMSleepFactorUSBExternalDevice = 0x00000080,
+ kIOPMSleepFactorBluetoothHIDDevice = 0x00000100,
+ kIOPMSleepFactorExternalMediaMounted = 0x00000200,
+ kIOPMSleepFactorDriverAssertBit5 = 0x00000400,
+ kIOPMSleepFactorDriverAssertBit6 = 0x00000800,
+ kIOPMSleepFactorDriverAssertBit7 = 0x00001000
+};
+
+bool IOPMrootDomain::evaluateSystemSleepPolicy( IOPMSystemSleepParameters * p )
+{
+ const IOPMSystemSleepPolicyTable * pt;
+ OSObject * prop = 0;
+ OSData * policyData;
+ uint32_t currentFactors;
+ uint32_t deepSleepDelay = 0;
+ bool success = false;
+
+ if (getProperty(kIOPMDeepSleepEnabledKey) != kOSBooleanTrue)
+ return false;
+
+ getSleepOption(kIOPMDeepSleepDelayKey, &deepSleepDelay);
+
+ prop = getServiceRoot()->copyProperty(kIOPlatformSystemSleepPolicyKey);
+ if (!prop)
+ return false;
+
+ policyData = OSDynamicCast(OSData, prop);
+ if (!policyData ||
+ (policyData->getLength() < sizeof(IOPMSystemSleepPolicyTable)))
+ {
+ goto done;
+ }
+
+ pt = (const IOPMSystemSleepPolicyTable *) policyData->getBytesNoCopy();
+ if ((pt->signature[0] != 'S') ||
+ (pt->signature[1] != 'L') ||
+ (pt->signature[2] != 'P') ||
+ (pt->signature[3] != 'T') ||
+ (pt->version != 1) ||
+ (pt->entryCount == 0))
+ {
+ goto done;
+ }
+
+ if ((policyData->getLength() - sizeof(IOPMSystemSleepPolicyTable)) !=
+ (sizeof(IOPMSystemSleepPolicyEntry) * pt->entryCount))
+ {
+ goto done;
+ }
+
+ currentFactors = 0;
+ if (getPMAssertionLevel(kIOPMDriverAssertionUSBExternalDeviceBit) !=
+ kIOPMDriverAssertionLevelOff)
+ currentFactors |= kIOPMSleepFactorUSBExternalDevice;
+ if (getPMAssertionLevel(kIOPMDriverAssertionBluetoothHIDDevicePairedBit) !=
+ kIOPMDriverAssertionLevelOff)
+ currentFactors |= kIOPMSleepFactorBluetoothHIDDevice;
+ if (getPMAssertionLevel(kIOPMDriverAssertionExternalMediaMountedBit) !=
+ kIOPMDriverAssertionLevelOff)
+ currentFactors |= kIOPMSleepFactorExternalMediaMounted;
+ if (getPMAssertionLevel(kIOPMDriverAssertionReservedBit5) !=
+ kIOPMDriverAssertionLevelOff)
+ currentFactors |= kIOPMSleepFactorDriverAssertBit5;
+ if (getPMAssertionLevel(kIOPMDriverAssertionReservedBit6) !=
+ kIOPMDriverAssertionLevelOff)
+ currentFactors |= kIOPMSleepFactorDriverAssertBit6;
+ if (getPMAssertionLevel(kIOPMDriverAssertionReservedBit7) !=
+ kIOPMDriverAssertionLevelOff)
+ currentFactors |= kIOPMSleepFactorDriverAssertBit7;
+ if (0 == deepSleepDelay)
+ currentFactors |= kIOPMSleepFactorDeepSleepNoDelay;
+ if (!clamshellIsClosed)
+ currentFactors |= kIOPMSleepFactorLidOpen;
+ if (acAdaptorConnected)
+ currentFactors |= kIOPMSleepFactorACPower;
+ if (lowBatteryCondition)
+ currentFactors |= kIOPMSleepFactorLowBattery;
+ if (sleepTimerMaintenance)
+ currentFactors |= kIOPMSleepFactorSleepTimerWake;
+
+ // pmset overrides
+ if ((hibernateMode & kIOHibernateModeOn) == 0)
+ currentFactors |= kIOPMSleepFactorDeepSleepDisable;
+ else if ((hibernateMode & kIOHibernateModeSleep) == 0)
+ currentFactors |= kIOPMSleepFactorDeepSleepDemand;
+
+ DLOG("Sleep policy %u entries, current factors 0x%x\n",
+ pt->entryCount, currentFactors);
+
+ for (uint32_t i = 0; i < pt->entryCount; i++)
+ {
+ const IOPMSystemSleepPolicyEntry * policyEntry = &pt->entries[i];
+
+ DLOG("factor mask 0x%08x, bits 0x%08x, flags 0x%08x, wake 0x%08x\n",
+ policyEntry->factorMask, policyEntry->factorBits,
+ policyEntry->sleepFlags, policyEntry->wakeEvents);
+
+ if ((currentFactors ^ policyEntry->factorBits) & policyEntry->factorMask)
+ continue; // mismatch, try next
+
+ if (p)
+ {
+ p->version = 1;
+ p->sleepFlags = policyEntry->sleepFlags;
+ p->sleepTimer = 0;
+ p->wakeEvents = policyEntry->wakeEvents;
+ if (p->sleepFlags & kIOPMSleepFlagSleepTimerEnable)
+ {
+ p->sleepTimer = deepSleepDelay;
+ }
+ }
+
+ DLOG("matched policy entry %u\n", i);
+ success = true;
+ break;
+ }
+
+done:
+ if (prop)
+ prop->release();
+
+ return success;
+}
+
+void IOPMrootDomain::evaluateSystemSleepPolicyEarly( void )
+{
+ IOPMSystemSleepParameters params;
+
+ // Evaluate sleep policy before driver sleep phase.
+
+ DLOG("%s\n", __FUNCTION__);
+ removeProperty(kIOPMSystemSleepParametersKey);
+
+ hibernateDisabled = false;
+ hibernateMode = 0;
+ getSleepOption(kIOHibernateModeKey, &hibernateMode);
+
+ if (!hibernateNoDefeat &&
+ evaluateSystemSleepPolicy(¶ms) &&
+ ((params.sleepFlags & kIOPMSleepFlagHibernate) == 0))
+ {
+ hibernateDisabled = true;
+ }
+}
+
+void IOPMrootDomain::evaluateSystemSleepPolicyFinal( void )
+{
+ IOPMSystemSleepParameters params;
+ OSData * paramsData;
+
+ // Evaluate sleep policy after drivers but before platform sleep.
+
+ DLOG("%s\n", __FUNCTION__);
+
+ if (evaluateSystemSleepPolicy(¶ms))
+ {
+ if ((hibernateDisabled || hibernateAborted) &&
+ (params.sleepFlags & kIOPMSleepFlagHibernate))
+ {
+ // Should hibernate but unable to or aborted.
+ // Arm timer for a short sleep and retry or wake fully.
+
+ params.sleepFlags &= ~kIOPMSleepFlagHibernate;
+ params.sleepFlags |= kIOPMSleepFlagSleepTimerEnable;
+ params.sleepTimer = 1;
+ hibernateNoDefeat = true;
+ DLOG("wake in %u secs for hibernateDisabled %d, hibernateAborted %d\n",
+ params.sleepTimer, hibernateDisabled, hibernateAborted);
+ }
+ else
+ hibernateNoDefeat = false;
+
+ paramsData = OSData::withBytes(¶ms, sizeof(params));
+ if (paramsData)
+ {
+ setProperty(kIOPMSystemSleepParametersKey, paramsData);
+ paramsData->release();
+ }
+
+ if (params.sleepFlags & kIOPMSleepFlagHibernate)
+ {
+ // Force hibernate
+ gIOHibernateMode &= ~kIOHibernateModeSleep;
+ }
+ }
+}
+
+bool IOPMrootDomain::getHibernateSettings(
+ uint32_t * hibernateMode,
+ uint32_t * hibernateFreeRatio,
+ uint32_t * hibernateFreeTime )
+{
+ bool ok = getSleepOption(kIOHibernateModeKey, hibernateMode);
+ getSleepOption(kIOHibernateFreeRatioKey, hibernateFreeRatio);
+ getSleepOption(kIOHibernateFreeTimeKey, hibernateFreeTime);
+ if (hibernateDisabled)
+ *hibernateMode = 0;
+ DLOG("hibernateMode 0x%x\n", *hibernateMode);
+ return ok;
+}
+
+bool IOPMrootDomain::getSleepOption( const char * key, uint32_t * option )
+{
+ OSObject * optionsProp;
+ OSDictionary * optionsDict;
+ OSObject * obj = 0;
+ OSNumber * num;
+ bool ok = false;
+
+ optionsProp = copyProperty(kRootDomainSleepOptionsKey);
+ optionsDict = OSDynamicCast(OSDictionary, optionsProp);
+
+ if (optionsDict)
+ {
+ obj = optionsDict->getObject(key);
+ if (obj) obj->retain();
+ }
+ if (!obj)
+ {
+ obj = copyProperty(key);
+ }
+ if (obj && (num = OSDynamicCast(OSNumber, obj)))
+ {
+ *option = num->unsigned32BitValue();
+ ok = true;
+ }
+
+ if (obj)
+ obj->release();
+ if (optionsProp)
+ optionsProp->release();
+
+ return true;
+}
+#endif /* HIBERNATION */
+
+
//******************************************************************************
// dispatchPowerEvent
//
//******************************************************************************
void IOPMrootDomain::dispatchPowerEvent(
- uint32_t event, void * arg0, void * arg1 )
+ uint32_t event, void * arg0, uint64_t arg1 )
{
- DLOG("power event %x args %p %p\n", event, arg0, arg1);
+ DLOG("power event %u args %p 0x%llx\n", event, arg0, arg1);
ASSERT_GATED();
switch (event)
case kPowerEventAggressivenessChanged:
aggressivenessChanged();
break;
+
+ case kPowerEventAssertionCreate:
+ if (pmAssertions) {
+ pmAssertions->handleCreateAssertion((OSData *)arg0);
+ }
+ break;
+
+ case kPowerEventAssertionRelease:
+ if (pmAssertions) {
+ pmAssertions->handleReleaseAssertion(arg1);
+ }
+ break;
+
+ case kPowerEventAssertionSetLevel:
+ if (pmAssertions) {
+ pmAssertions->handleSetAssertionLevel(arg1, (IOPMDriverAssertionLevel)(uintptr_t)arg0);
+ }
+ break;
}
}
/*
* Overtemp
*/
- if (msg & kIOPMOverTemp)
+ if (msg & kIOPMOverTemp)
{
LOG("PowerManagement emergency overtemp signal. Going to sleep!");
- privateSleepSystem (kIOPMThermalEmergencySleepKey);
+ privateSleepSystem (kIOPMSleepReasonThermalEmergency);
}
#ifdef __ppc__
*/
if (msg & kIOPMSleepNow)
{
- privateSleepSystem (kIOPMSoftwareSleepKey);
+ privateSleepSystem (kIOPMSleepReasonSoftware);
}
/*
*/
if (msg & kIOPMPowerEmergency)
{
- privateSleepSystem (kIOPMLowPowerSleepKey);
+ lowBatteryCondition = true;
+ privateSleepSystem (kIOPMSleepReasonLowPower);
}
/*
// Update our internal state and tell general interest clients
clamshellIsClosed = false;
clamshellExists = true;
-
+
// Tell PMCPU
informCPUStateChange(kInformLid, 0);
// Tell general interest clients
sendClientClamshellNotification();
- }
+
+ bool aborting = ((lastSleepReason == kIOPMSleepReasonClamshell)
+ || (lastSleepReason == kIOPMSleepReasonIdle)
+ || (lastSleepReason == kIOPMSleepReasonMaintenance));
+ if (aborting) userActivityCount++;
+ DLOG("clamshell tickled %d lastSleepReason %d\n", userActivityCount, lastSleepReason);
+ }
/*
* Clamshell CLOSED
// SLEEP!
- privateSleepSystem (kIOPMClamshellSleepKey);
+ privateSleepSystem (kIOPMSleepReasonClamshell);
}
/*
// Check that power button sleep is enabled
if( pbs ) {
if( kOSBooleanTrue != getProperty(pbs))
- privateSleepSystem (kIOPMPowerButtonSleepKey);
+ privateSleepSystem (kIOPMSleepReasonPowerButton);
}
}
}
if (!ignoreChangeDown)
{
+ userActivityAtSleep = userActivityCount;
+ hibernateAborted = false;
+ DLOG("tellChangeDown::userActivityAtSleep %d\n", userActivityAtSleep);
+
// Direct callout into OSKext so it can disable kext unloads
// during sleep/wake to prevent deadlocks.
OSKextSystemSleepOrWake( kIOMessageSystemWillSleep );
// otherwise nothing.
}
+ // Notify platform that sleep has begun
+ getPlatform()->callPlatformFunction(
+ sleepMessagePEFunction, false,
+ (void *)(uintptr_t) kIOMessageSystemWillSleep,
+ NULL, NULL, NULL);
+
// Update canSleep and kIOSleepSupportedKey property so drivers
// can tell if platform is going to sleep versus doze.
// during sleep/wake to prevent deadlocks.
OSKextSystemSleepOrWake( kIOMessageSystemHasPoweredOn );
+ // Notify platform that sleep was cancelled or resumed.
+ getPlatform()->callPlatformFunction(
+ sleepMessagePEFunction, false,
+ (void *)(uintptr_t) kIOMessageSystemHasPoweredOn,
+ NULL, NULL, NULL);
+
if (getPowerState() == ON_STATE)
{
// this is a quick wake from aborted sleep
return super::changePowerStateToPriv(ordinal);
}
+//******************************************************************************
+// activity detect
+//
+//******************************************************************************
+
+bool IOPMrootDomain::activitySinceSleep(void)
+{
+ return (userActivityCount != userActivityAtSleep);
+}
+
+bool IOPMrootDomain::abortHibernation(void)
+{
+ bool ret = activitySinceSleep();
+
+ if (ret && !hibernateAborted)
+ {
+ DLOG("activitySinceSleep ABORT [%d, %d]\n", userActivityCount, userActivityAtSleep);
+ hibernateAborted = true;
+ }
+ return (ret);
+}
+
+extern "C" int
+hibernate_should_abort(void)
+{
+ if (gRootDomain)
+ return (gRootDomain->abortHibernation());
+ else
+ return (0);
+}
//******************************************************************************
// updateRunState
// service to raise power state. Called from driver thread.
//******************************************************************************
-void IOPMrootDomain::handleActivityTickleForService( IOService * service )
+void IOPMrootDomain::handleActivityTickleForService( IOService * service,
+ unsigned long type,
+ unsigned long currentPowerState,
+ uint32_t activityTickleCount )
{
+ if ((service == wrangler)
+)
+ {
+ bool aborting = ((lastSleepReason == kIOPMSleepReasonIdle)
+ || (lastSleepReason == kIOPMSleepReasonMaintenance));
+ if (aborting) userActivityCount++;
+ DLOG("display wrangler tickled1 %d lastSleepReason %d\n", userActivityCount, lastSleepReason);
+ }
+
// Tickle directed to IODisplayWrangler while graphics is disabled.
// Bring graphics online.
- if ((service == wrangler) &&
+ if ((!currentPowerState) &&
+ (service == wrangler) &&
(runStateIndex > kRStateNormal) &&
- (false == wranglerTickled))
+ (false == wranglerTickled) &&
+ (false == lowBatteryCondition))
{
DLOG("display wrangler tickled\n");
+ if (kIOLogPMRootDomain & gIOKitDebug)
+ OSReportWithBacktrace("Display Tickle");
wranglerTickled = true;
synchronizePowerTree();
}
}
-
//******************************************************************************
// handlePowerChangeStartForService
//
if (runStateIndex != kRStateNormal)
{
+ sleepTimerMaintenance = false;
+ hibernateNoDefeat = false;
nextRunStateIndex = kRStateNormal;
setProperty(
kIOPMRootDomainRunStateKey,
// down.
// We call sync_internal defined in xnu/bsd/vfs/vfs_syscalls.c,
// via callout
-
- // We will ack within 20 seconds
- params->returnValue = 20 * 1000 * 1000;
#if HIBERNATION
- if (gIOHibernateState)
- params->returnValue += gIOHibernateFreeTime * 1000; //add in time we could spend freeing pages
+ rootDomain->evaluateSystemSleepPolicyEarly();
+ if (rootDomain->hibernateMode && !rootDomain->hibernateDisabled)
+ {
+ // We will ack within 240 seconds
+ params->returnValue = 240 * 1000 * 1000;
+ }
+ else
#endif
-
+ // We will ack within 20 seconds
+ params->returnValue = 20 * 1000 * 1000;
+ DLOG("sysPowerDownHandler timeout %d s\n", (int) (params->returnValue / 1000 / 1000));
if ( ! OSCompareAndSwap( 0, 1, &gSleepOrShutdownPending ) )
{
// Purposely delay the ack and hope that shutdown occurs quickly.
*
* Set last sleep cause accordingly.
*/
+ lastSleepReason = kIOPMSleepReasonIdle;
setProperty(kRootDomainSleepReasonKey, kIOPMIdleSleepKey);
sleepASAP = false;
return;
}
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+IOPMDriverAssertionID IOPMrootDomain::createPMAssertion(
+ IOPMDriverAssertionType whichAssertionBits,
+ IOPMDriverAssertionLevel assertionLevel,
+ IOService *ownerService,
+ const char *ownerDescription)
+{
+ IOReturn ret;
+ IOPMDriverAssertionID newAssertion;
+
+ if (!pmAssertions)
+ return 0;
+
+ ret = pmAssertions->createAssertion(whichAssertionBits, assertionLevel, ownerService, ownerDescription, &newAssertion);
+
+ if (kIOReturnSuccess == ret)
+ return newAssertion;
+ else
+ return 0;
+}
+
+IOReturn IOPMrootDomain::releasePMAssertion(IOPMDriverAssertionID releaseAssertion)
+{
+ if (!pmAssertions)
+ return kIOReturnInternalError;
+
+ return pmAssertions->releaseAssertion(releaseAssertion);
+}
+
+IOReturn IOPMrootDomain::setPMAssertionLevel(
+ IOPMDriverAssertionID assertionID,
+ IOPMDriverAssertionLevel assertionLevel)
+{
+ return pmAssertions->setAssertionLevel(assertionID, assertionLevel);
+}
+
+IOPMDriverAssertionLevel IOPMrootDomain::getPMAssertionLevel(IOPMDriverAssertionType whichAssertion)
+{
+ IOPMDriverAssertionType sysLevels;
+
+ if (!pmAssertions || whichAssertion == 0)
+ return kIOPMDriverAssertionLevelOff;
+
+ sysLevels = pmAssertions->getActivatedAssertions();
+
+ // Check that every bit set in argument 'whichAssertion' is asserted
+ // in the aggregate bits.
+ if ((sysLevels & whichAssertion) == whichAssertion)
+ return kIOPMDriverAssertionLevelOn;
+ else
+ return kIOPMDriverAssertionLevelOff;
+}
+
+IOReturn IOPMrootDomain::setPMAssertionUserLevels(IOPMDriverAssertionType inLevels)
+{
+ if (!pmAssertions)
+ return kIOReturnNotFound;
+
+ return pmAssertions->setUserAssertionLevels(inLevels);
+}
+
+bool IOPMrootDomain::serializeProperties( OSSerialize * s ) const
+{
+ if (pmAssertions)
+ {
+ pmAssertions->publishProperties();
+ }
+ return( IOService::serializeProperties(s) );
+}
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
super::taggedRelease(tag, releaseAtCount);
}
+// MARK: -
+// MARK: PMAssertionsTracker
+
+//*********************************************************************************
+//*********************************************************************************
+//*********************************************************************************
+// class PMAssertionsTracker Implementation
+
+#define kAssertUniqueIDStart 500
+
+PMAssertionsTracker *PMAssertionsTracker::pmAssertionsTracker( IOPMrootDomain *rootDomain )
+{
+ PMAssertionsTracker *myself;
+
+ myself = new PMAssertionsTracker;
+
+ if (myself) {
+ myself->init();
+ myself->owner = rootDomain;
+ myself->issuingUniqueID = kAssertUniqueIDStart;
+ myself->assertionsArray = OSArray::withCapacity(5);
+ myself->assertionsKernel = 0;
+ myself->assertionsUser = 0;
+ myself->assertionsCombined = 0;
+ myself->assertionsArrayLock = IOLockAlloc();
+ myself->tabulateProducerCount = myself->tabulateConsumerCount = 0;
+
+ if (!myself->assertionsArray || !myself->assertionsArrayLock)
+ myself = NULL;
+ }
+
+ return myself;
+}
+
+/* tabulate
+ * - Update assertionsKernel to reflect the state of all
+ * assertions in the kernel.
+ * - Update assertionsCombined to reflect both kernel & user space.
+ */
+void PMAssertionsTracker::tabulate(void)
+{
+ int i;
+ int count;
+ PMAssertStruct *_a = NULL;
+ OSData *_d = NULL;
+
+ IOPMDriverAssertionType oldKernel = assertionsKernel;
+ IOPMDriverAssertionType oldCombined = assertionsCombined;
+
+ ASSERT_GATED();
+
+ assertionsKernel = 0;
+ assertionsCombined = 0;
+
+ if (!assertionsArray)
+ return;
+
+ if ((count = assertionsArray->getCount()))
+ {
+ for (i=0; i<count; i++)
+ {
+ _d = OSDynamicCast(OSData, assertionsArray->getObject(i));
+ if (_d)
+ {
+ _a = (PMAssertStruct *)_d->getBytesNoCopy();
+ if (_a && (kIOPMDriverAssertionLevelOn == _a->level))
+ assertionsKernel |= _a->assertionBits;
+ }
+ }
+ }
+
+ tabulateProducerCount++;
+ assertionsCombined = assertionsKernel | assertionsUser;
+
+ if ((assertionsKernel != oldKernel) ||
+ (assertionsCombined != oldCombined))
+ {
+ owner->messageClients(kIOPMMessageDriverAssertionsChanged);
+ }
+}
+
+void PMAssertionsTracker::publishProperties( void )
+{
+ OSArray *assertionsSummary = NULL;
+
+ if (tabulateConsumerCount != tabulateProducerCount)
+ {
+ IOLockLock(assertionsArrayLock);
+
+ tabulateConsumerCount = tabulateProducerCount;
+
+ /* Publish the IOPMrootDomain property "DriverPMAssertionsDetailed"
+ */
+ assertionsSummary = copyAssertionsArray();
+ if (assertionsSummary)
+ {
+ owner->setProperty(kIOPMAssertionsDriverDetailedKey, assertionsSummary);
+ assertionsSummary->release();
+ }
+ else
+ {
+ owner->removeProperty(kIOPMAssertionsDriverDetailedKey);
+ }
+
+ /* Publish the IOPMrootDomain property "DriverPMAssertions"
+ */
+ owner->setProperty(kIOPMAssertionsDriverKey, assertionsKernel, 64);
+
+ IOLockUnlock(assertionsArrayLock);
+ }
+}
+
+PMAssertionsTracker::PMAssertStruct *PMAssertionsTracker::detailsForID(IOPMDriverAssertionID _id, int *index)
+{
+ PMAssertStruct *_a = NULL;
+ OSData *_d = NULL;
+ int found = -1;
+ int count = 0;
+ int i = 0;
+
+ if (assertionsArray
+ && (count = assertionsArray->getCount()))
+ {
+ for (i=0; i<count; i++)
+ {
+ _d = OSDynamicCast(OSData, assertionsArray->getObject(i));
+ if (_d)
+ {
+ _a = (PMAssertStruct *)_d->getBytesNoCopy();
+ if (_a && (_id == _a->id)) {
+ found = i;
+ break;
+ }
+ }
+ }
+ }
+
+ if (-1 == found) {
+ return NULL;
+ } else {
+ if (index)
+ *index = found;
+ return _a;
+ }
+}
+
+/* PMAssertionsTracker::handleCreateAssertion
+ * Perform assertion work on the PM workloop. Do not call directly.
+ */
+IOReturn PMAssertionsTracker::handleCreateAssertion(OSData *newAssertion)
+{
+ ASSERT_GATED();
+
+ if (newAssertion)
+ {
+ IOLockLock(assertionsArrayLock);
+ assertionsArray->setObject(newAssertion);
+ IOLockUnlock(assertionsArrayLock);
+ newAssertion->release();
+
+ tabulate();
+ }
+ return kIOReturnSuccess;
+}
+
+/* PMAssertionsTracker::createAssertion
+ * createAssertion allocates memory for a new PM assertion, and affects system behavior, if
+ * appropiate.
+ */
+IOReturn PMAssertionsTracker::createAssertion(
+ IOPMDriverAssertionType which,
+ IOPMDriverAssertionLevel level,
+ IOService *serviceID,
+ const char *whoItIs,
+ IOPMDriverAssertionID *outID)
+{
+ OSData *dataStore = NULL;
+ PMAssertStruct track;
+
+ // Warning: trillions and trillions of created assertions may overflow the unique ID.
+#ifdef __ppc__
+ track.id = issuingUniqueID++; // FIXME: need OSIncrementAtomic64() for ppc
+#else
+ track.id = OSIncrementAtomic64((SInt64*) &issuingUniqueID);
+#endif
+ track.level = level;
+ track.assertionBits = which;
+ track.ownerString = whoItIs ? OSSymbol::withCString(whoItIs) : 0;
+ track.ownerService = serviceID;
+ track.modifiedTime = 0;
+ pmEventTimeStamp(&track.createdTime);
+
+ dataStore = OSData::withBytes(&track, sizeof(PMAssertStruct));
+ if (!dataStore)
+ {
+ if (track.ownerString)
+ track.ownerString->release();
+ return kIOReturnNoMemory;
+ }
+
+ *outID = track.id;
+
+ if (owner && owner->pmPowerStateQueue) {
+ owner->pmPowerStateQueue->submitPowerEvent(kPowerEventAssertionCreate, (void *)dataStore);
+ }
+
+ return kIOReturnSuccess;
+}
+/* PMAssertionsTracker::handleReleaseAssertion
+ * Runs in PM workloop. Do not call directly.
+ */
+IOReturn PMAssertionsTracker::handleReleaseAssertion(
+ IOPMDriverAssertionID _id)
+{
+ ASSERT_GATED();
+
+ int index;
+ PMAssertStruct *assertStruct = detailsForID(_id, &index);
+
+ if (!assertStruct)
+ return kIOReturnNotFound;
+
+ IOLockLock(assertionsArrayLock);
+ if (assertStruct->ownerString)
+ assertStruct->ownerString->release();
+
+ assertionsArray->removeObject(index);
+ IOLockUnlock(assertionsArrayLock);
+
+ tabulate();
+ return kIOReturnSuccess;
+}
+
+/* PMAssertionsTracker::releaseAssertion
+ * Releases an assertion and affects system behavior if appropiate.
+ * Actual work happens on PM workloop.
+ */
+IOReturn PMAssertionsTracker::releaseAssertion(
+ IOPMDriverAssertionID _id)
+{
+ if (owner && owner->pmPowerStateQueue) {
+ owner->pmPowerStateQueue->submitPowerEvent(kPowerEventAssertionRelease, 0, _id);
+ }
+ return kIOReturnSuccess;
+}
+
+/* PMAssertionsTracker::handleSetAssertionLevel
+ * Runs in PM workloop. Do not call directly.
+ */
+IOReturn PMAssertionsTracker::handleSetAssertionLevel(
+ IOPMDriverAssertionID _id,
+ IOPMDriverAssertionLevel _level)
+{
+ PMAssertStruct *assertStruct = detailsForID(_id, NULL);
+
+ ASSERT_GATED();
+
+ if (!assertStruct) {
+ return kIOReturnNotFound;
+ }
+
+ IOLockLock(assertionsArrayLock);
+ pmEventTimeStamp(&assertStruct->modifiedTime);
+ assertStruct->level = _level;
+ IOLockUnlock(assertionsArrayLock);
+
+ tabulate();
+ return kIOReturnSuccess;
+}
+
+/* PMAssertionsTracker::setAssertionLevel
+ */
+IOReturn PMAssertionsTracker::setAssertionLevel(
+ IOPMDriverAssertionID _id,
+ IOPMDriverAssertionLevel _level)
+{
+ if (owner && owner->pmPowerStateQueue) {
+ owner->pmPowerStateQueue->submitPowerEvent(kPowerEventAssertionSetLevel,
+ (void *)_level, _id);
+ }
+
+ return kIOReturnSuccess;
+}
+
+IOReturn PMAssertionsTracker::handleSetUserAssertionLevels(void * arg0)
+{
+ IOPMDriverAssertionType new_user_levels = *(IOPMDriverAssertionType *) arg0;
+
+ ASSERT_GATED();
+
+ if (new_user_levels != assertionsUser)
+ {
+ assertionsUser = new_user_levels;
+ DLOG("assertionsUser 0x%llx\n", assertionsUser);
+ }
+
+ tabulate();
+ return kIOReturnSuccess;
+}
+
+IOReturn PMAssertionsTracker::setUserAssertionLevels(
+ IOPMDriverAssertionType new_user_levels)
+{
+ if (gIOPMWorkLoop) {
+ gIOPMWorkLoop->runAction(
+ OSMemberFunctionCast(
+ IOWorkLoop::Action,
+ this,
+ &PMAssertionsTracker::handleSetUserAssertionLevels),
+ this,
+ (void *) &new_user_levels, 0, 0, 0);
+ }
+
+ return kIOReturnSuccess;
+}
+
+
+OSArray *PMAssertionsTracker::copyAssertionsArray(void)
+{
+ int count;
+ int i;
+ OSArray *outArray = NULL;
+
+ if (!assertionsArray ||
+ (0 == (count = assertionsArray->getCount())) ||
+ (NULL == (outArray = OSArray::withCapacity(count))))
+ {
+ goto exit;
+ }
+
+ for (i=0; i<count; i++)
+ {
+ PMAssertStruct *_a = NULL;
+ OSData *_d = NULL;
+ OSDictionary *details = NULL;
+
+ _d = OSDynamicCast(OSData, assertionsArray->getObject(i));
+ if (_d && (_a = (PMAssertStruct *)_d->getBytesNoCopy()))
+ {
+ OSNumber *_n = NULL;
+
+ details = OSDictionary::withCapacity(7);
+ if (!details)
+ continue;
+
+ outArray->setObject(details);
+ details->release();
+
+ _n = OSNumber::withNumber(_a->id, 64);
+ if (_n) {
+ details->setObject(kIOPMDriverAssertionIDKey, _n);
+ _n->release();
+ }
+ _n = OSNumber::withNumber(_a->createdTime, 64);
+ if (_n) {
+ details->setObject(kIOPMDriverAssertionCreatedTimeKey, _n);
+ _n->release();
+ }
+ _n = OSNumber::withNumber(_a->modifiedTime, 64);
+ if (_n) {
+ details->setObject(kIOPMDriverAssertionModifiedTimeKey, _n);
+ _n->release();
+ }
+ _n = OSNumber::withNumber((uintptr_t)_a->ownerService, 64);
+ if (_n) {
+ details->setObject(kIOPMDriverAssertionOwnerServiceKey, _n);
+ _n->release();
+ }
+ _n = OSNumber::withNumber(_a->level, 64);
+ if (_n) {
+ details->setObject(kIOPMDriverAssertionLevelKey, _n);
+ _n->release();
+ }
+ _n = OSNumber::withNumber(_a->assertionBits, 64);
+ if (_n) {
+ details->setObject(kIOPMDriverAssertionAssertedKey, _n);
+ _n->release();
+ }
+
+ if (_a->ownerString) {
+ details->setObject(kIOPMDriverAssertionOwnerStringKey, _a->ownerString);
+ }
+ }
+ }
+
+exit:
+ return outArray;
+}
+
+IOPMDriverAssertionType PMAssertionsTracker::getActivatedAssertions(void)
+{
+ return assertionsCombined;
+}
+
+IOPMDriverAssertionLevel PMAssertionsTracker::getAssertionLevel(
+ IOPMDriverAssertionType type)
+{
+ if (type && ((type & assertionsKernel) == assertionsKernel))
+ {
+ return kIOPMDriverAssertionLevelOn;
+ } else {
+ return kIOPMDriverAssertionLevelOff;
+ }
+}
+
+//*********************************************************************************
+//*********************************************************************************
+//*********************************************************************************
+
+static void pmEventTimeStamp(uint64_t *recordTS)
+{
+ clock_sec_t tsec;
+ clock_usec_t tusec;
+
+ if (!recordTS)
+ return;
+
+ // We assume tsec fits into 32 bits; 32 bits holds enough
+ // seconds for 136 years since the epoch in 1970.
+ clock_get_calendar_microtime(&tsec, &tusec);
+
+
+ // Pack the sec & microsec calendar time into a uint64_t, for fun.
+ *recordTS = 0;
+ *recordTS |= (uint32_t)tusec;
+ *recordTS |= ((uint64_t)tsec << 32);
+
+ return;
+}
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
projects / apple / xnu.git / blobdiff