/*
- * Copyright (c) 1998-2009 Apple Inc. All rights reserved.
+ * Copyright (c) 1998-2014 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
#include <IOKit/IOWorkLoop.h>
#include <IOKit/IOTimeStamp.h>
#include <IOKit/IOHibernatePrivate.h>
+#include <IOKit/IOInterruptAccountingPrivate.h>
+#include <IOKit/IOKernelReporters.h>
#include <mach/sync_policy.h>
#include <IOKit/assert.h>
#include <sys/errno.h>
#define LOG kprintf
//#define LOG IOLog
#define MATCH_DEBUG 0
+#define OBFUSCATE(x) ((void *)(VM_KERNEL_ADDRPERM(x)))
#include "IOServicePrivate.h"
#include "IOKitKernelInternal.h"
clock_sec_t gIOConsoleLockTime;
static bool gIOConsoleLoggedIn;
+#if HIBERNATION
static uint32_t gIOScreenLockState;
+#endif
static IORegistryEntry * gIOChosenEntry;
static int gIOResourceGenerationCount;
const OSSymbol * gIOPlatformWakeActionKey;
const OSSymbol * gIOPlatformQuiesceActionKey;
const OSSymbol * gIOPlatformActiveActionKey;
+const OSSymbol * gIOPlatformHaltRestartActionKey;
const OSSymbol * gIOPlatformFunctionHandlerSet;
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+struct IOInterruptAccountingReporter {
+ IOSimpleReporter * reporter; /* Reporter responsible for communicating the statistics */
+ IOInterruptAccountingData * statistics; /* The live statistics values, if any */
+};
+
struct ArbitrationLockQueueElement {
queue_chain_t link;
IOThread thread;
static IORecursiveLock *sCpuDelayLock = IORecursiveLockAlloc();
static OSArray *sCpuLatencyHandlers[kCpuNumDelayTypes];
const OSSymbol *sCPULatencyFunctionName[kCpuNumDelayTypes];
+static OSNumber * sCPULatencyHolder[kCpuNumDelayTypes];
+static OSNumber * sCPULatencySet[kCpuNumDelayTypes];
static void
requireMaxCpuDelay(IOService * service, UInt32 ns, UInt32 delayType);
gIOConsoleUsersSeedValue = OSData::withBytesNoCopy(&gIOConsoleUsersSeed, sizeof(gIOConsoleUsersSeed));
- gIOPlatformSleepActionKey = OSSymbol::withCStringNoCopy(kIOPlatformSleepActionKey);
- gIOPlatformWakeActionKey = OSSymbol::withCStringNoCopy(kIOPlatformWakeActionKey);
- gIOPlatformQuiesceActionKey = OSSymbol::withCStringNoCopy(kIOPlatformQuiesceActionKey);
- gIOPlatformActiveActionKey = OSSymbol::withCStringNoCopy(kIOPlatformActiveActionKey);
+ gIOPlatformSleepActionKey = OSSymbol::withCStringNoCopy(kIOPlatformSleepActionKey);
+ gIOPlatformWakeActionKey = OSSymbol::withCStringNoCopy(kIOPlatformWakeActionKey);
+ gIOPlatformQuiesceActionKey = OSSymbol::withCStringNoCopy(kIOPlatformQuiesceActionKey);
+ gIOPlatformActiveActionKey = OSSymbol::withCStringNoCopy(kIOPlatformActiveActionKey);
+ gIOPlatformHaltRestartActionKey = OSSymbol::withCStringNoCopy(kIOPlatformHaltRestartActionKey);
gIOPlatformFunctionHandlerSet = OSSymbol::withCStringNoCopy(kIOPlatformFunctionHandlerSet);
#if defined(__i386__) || defined(__x86_64__)
sCPULatencyFunctionName[kCpuDelayBusStall] = OSSymbol::withCStringNoCopy(kIOPlatformFunctionHandlerMaxBusDelay);
sCPULatencyFunctionName[kCpuDelayInterrupt] = OSSymbol::withCStringNoCopy(kIOPlatformFunctionHandlerMaxInterruptDelay);
+ uint32_t idx;
+ for (idx = 0; idx < kCpuNumDelayTypes; idx++)
+ {
+ sCPULatencySet[idx] = OSNumber::withNumber(-1U, 32);
+ sCPULatencyHolder[idx] = OSNumber::withNumber(0ULL, 64);
+ assert(sCPULatencySet[idx] && sCPULatencyHolder[idx]);
+ }
#endif
gNotificationLock = IORecursiveLockAlloc();
{
}
+bool IOService::init( OSDictionary * dictionary )
+{
+ bool ret = false;
+
+ ret = super::init(dictionary);
+
+ if (!ret)
+ goto done;
+
+ reserved = IONew(ExpansionData, 1);
+
+ if (!reserved) {
+ ret = false;
+ goto done;
+ }
+
+ bzero(reserved, sizeof(*reserved));
+
+ /*
+ * TODO: Improve on this. Previous efforts to more lazily allocate this
+ * lock based on the presence of specifiers ran into issues as some
+ * platforms set up the specifiers after IOService initialization.
+ *
+ * We may be able to get away with a global lock, as this should only be
+ * contended by IOReporting clients and driver start/stop (unless a
+ * driver wants to remove/add handlers in the course of normal operation,
+ * which should be unlikely).
+ */
+ reserved->interruptStatisticsLock = IOLockAlloc();
+
+ if (!reserved->interruptStatisticsLock) {
+ ret = false;
+ goto done;
+ }
+
+done:
+ return ret;
+}
+
+bool IOService::init( IORegistryEntry * from,
+ const IORegistryPlane * inPlane )
+{
+ bool ret = false;
+
+ ret = super::init(from, inPlane);
+
+ if (!ret)
+ goto done;
+
+ reserved = IONew(ExpansionData, 1);
+
+ if (!reserved) {
+ ret = false;
+ goto done;
+ }
+
+ bzero(reserved, sizeof(*reserved));
+
+ /*
+ * TODO: Improve on this. Previous efforts to more lazily allocate this
+ * lock based on the presence of specifiers ran into issues as some
+ * platforms set up the specifiers after IOService initialization.
+ *
+ * We may be able to get away with a global lock, as this should only be
+ * contended by IOReporting clients and driver start/stop (unless a
+ * driver wants to remove/add handlers in the course of normal operation,
+ * which should be unlikely).
+ */
+ reserved->interruptStatisticsLock = IOLockAlloc();
+
+ if (!reserved->interruptStatisticsLock) {
+ ret = false;
+ goto done;
+ }
+
+done:
+ return ret;
+}
+
void IOService::free( void )
{
+ int i = 0;
requireMaxBusStall(0);
requireMaxInterruptDelay(0);
if( getPropertyTable())
unregisterAllInterest();
PMfree();
+
+ if (reserved) {
+ if (reserved->interruptStatisticsArray) {
+ for (i = 0; i < reserved->interruptStatisticsArrayCount; i++) {
+ if (reserved->interruptStatisticsArray[i].reporter)
+ reserved->interruptStatisticsArray[i].reporter->release();
+ }
+
+ IODelete(reserved->interruptStatisticsArray, IOInterruptAccountingReporter, reserved->interruptStatisticsArrayCount);
+ }
+
+ if (reserved->interruptStatisticsLock)
+ IOLockFree(reserved->interruptStatisticsLock);
+ IODelete(reserved, ExpansionData, 1);
+ }
+
super::free();
}
ok = attachToParent( getRegistryRoot(), gIOServicePlane);
}
+ if (ok && !__provider) (void) getProvider();
+
return( ok );
}
}
// check for last client detach from a terminated service
- if( provider->lockForArbitration( true )) {
- if( adjParent)
- provider->_adjustBusy( -1 );
+ if( provider->lockForArbitration( true ))
+ {
+ if (kIOServiceStartState & __state[1])
+ {
+ provider->scheduleTerminatePhase2();
+ }
+ if( adjParent) provider->_adjustBusy( -1 );
if( (provider->__state[1] & kIOServiceTermPhase3State)
&& (0 == provider->getClient())) {
provider->scheduleFinalize();
else
__state[1] &= ~kIOServiceSynchronousState;
+ if( needConfig) prevBusy = _adjustBusy( 1 );
+
unlockForArbitration();
if( needConfig) {
- prevBusy = _adjustBusy( 1 );
-
if( needWake) {
IOLockLock( gIOServiceBusyLock );
thread_wakeup( (event_t) this/*&__state[1]*/ );
IOService * parent;
SInt32 generation;
- parent = __provider;
generation = getGenerationCount();
if( __providerGeneration == generation)
- return( parent );
+ return( __provider );
parent = (IOService *) getParentEntry( gIOServicePlane);
if( parent == IORegistryEntry::getRegistryRoot())
parent = 0;
self->__provider = parent;
- // save the count before getParentEntry()
+ OSMemoryBarrier();
+ // save the count from before call to getParentEntry()
self->__providerGeneration = generation;
return( parent );
{
gIOPlatform = platform;
gIOResources->attachToParent( gIOServiceRoot, gIOServicePlane );
+
+#if defined(__i386__) || defined(__x86_64__)
+
+ static const char * keys[kCpuNumDelayTypes] = {
+ kIOPlatformMaxBusDelay, kIOPlatformMaxInterruptDelay };
+ const OSObject * objs[2];
+ OSArray * array;
+ uint32_t idx;
+
+ for (idx = 0; idx < kCpuNumDelayTypes; idx++)
+ {
+ objs[0] = sCPULatencySet[idx];
+ objs[1] = sCPULatencyHolder[idx];
+ array = OSArray::withObjects(objs, 2);
+ if (!array) break;
+ platform->setProperty(keys[idx], array);
+ array->release();
+ }
+#endif /* defined(__i386__) || defined(__x86_64__) */
}
void IOService::setPMRootDomain( class IOPMrootDomain * rootDomain)
IOServiceInterestHandler handler, void * target, void * ref )
{
_IOServiceInterestNotifier * notify = 0;
+ IOReturn rc = kIOReturnError;
+
+ notify = new _IOServiceInterestNotifier;
+ if (!notify) return NULL;
+
+ if(notify->init()) {
+ rc = registerInterestForNotifer(notify, typeOfInterest,
+ handler, target, ref);
+ }
+
+ if (rc != kIOReturnSuccess) {
+ notify->release();
+ notify = 0;
+ }
+
+ return( notify );
+}
+
+IOReturn IOService::registerInterestForNotifer( IONotifier *svcNotify, const OSSymbol * typeOfInterest,
+ IOServiceInterestHandler handler, void * target, void * ref )
+{
+ IOReturn rc = kIOReturnSuccess;
+ _IOServiceInterestNotifier *notify = 0;
if( (typeOfInterest != gIOGeneralInterest)
&& (typeOfInterest != gIOBusyInterest)
&& (typeOfInterest != gIOAppPowerStateInterest)
&& (typeOfInterest != gIOConsoleSecurityInterest)
&& (typeOfInterest != gIOPriorityPowerStateInterest))
- return( 0 );
+ return( kIOReturnBadArgument );
+
+ if (!svcNotify || !(notify = OSDynamicCast(_IOServiceInterestNotifier, svcNotify)))
+ return( kIOReturnBadArgument );
lockForArbitration();
if( 0 == (__state[0] & kIOServiceInactiveState)) {
- notify = new _IOServiceInterestNotifier;
- if( notify && !notify->init()) {
- notify->release();
- notify = 0;
- }
-
- if( notify) {
- notify->handler = handler;
- notify->target = target;
- notify->ref = ref;
- notify->state = kIOServiceNotifyEnable;
- queue_init( ¬ify->handlerInvocations );
-
- ////// queue
+ notify->handler = handler;
+ notify->target = target;
+ notify->ref = ref;
+ notify->state = kIOServiceNotifyEnable;
- LOCKWRITENOTIFY();
+ ////// queue
- // Get the head of the notifier linked list
- IOCommand *notifyList = (IOCommand *) getProperty( typeOfInterest );
- if (!notifyList || !OSDynamicCast(IOCommand, notifyList)) {
- notifyList = OSTypeAlloc(IOCommand);
- if (notifyList) {
- notifyList->init();
- setProperty( typeOfInterest, notifyList);
- notifyList->release();
- }
- }
+ LOCKWRITENOTIFY();
- if (notifyList) {
- enqueue(¬ifyList->fCommandChain, ¬ify->chain);
- notify->retain(); // ref'ed while in list
- }
+ // Get the head of the notifier linked list
+ IOCommand *notifyList = (IOCommand *) getProperty( typeOfInterest );
+ if (!notifyList || !OSDynamicCast(IOCommand, notifyList)) {
+ notifyList = OSTypeAlloc(IOCommand);
+ if (notifyList) {
+ notifyList->init();
+ setProperty( typeOfInterest, notifyList);
+ notifyList->release();
+ }
+ }
- UNLOCKNOTIFY();
+ if (notifyList) {
+ enqueue(¬ifyList->fCommandChain, ¬ify->chain);
+ notify->retain(); // ref'ed while in list
}
+
+ UNLOCKNOTIFY();
+ }
+ else {
+ rc = kIOReturnNotReady;
}
unlockForArbitration();
- return( notify );
+ return rc;
}
static void cleanInterestList( OSObject * head )
UNLOCKNOTIFY();
}
+bool _IOServiceInterestNotifier::init()
+{
+ queue_init( &handlerInvocations );
+ return (OSObject::init());
+}
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
bool didInactive;
bool startPhase2 = false;
- TLOG("%s::terminatePhase1(%08llx)\n", getName(), (long long)options);
+ TLOG("%s[0x%qx]::terminatePhase1(%08llx)\n", getName(), getRegistryEntryID(), (long long)options);
uint64_t regID = getRegistryEntryID();
IOServiceTrace(
// -- compat
if( options & kIOServiceRecursing) {
+ lockForArbitration();
+ __state[0] |= kIOServiceInactiveState;
__state[1] |= kIOServiceRecursing;
+ unlockForArbitration();
+
return( true );
}
// --
while( victim ) {
- didInactive = victim->lockForArbitration( true );
+ didInactive = victim->lockForArbitration( true );
if( didInactive) {
- didInactive = (0 == (victim->__state[0] & kIOServiceInactiveState));
+ didInactive = (0 == (victim->__state[0] & kIOServiceInactiveState))
+ || (victim->__state[1] & kIOServiceRecursing);
if( didInactive) {
victim->__state[0] |= kIOServiceInactiveState;
victim->__state[0] &= ~(kIOServiceRegisteredState | kIOServiceMatchedState
| kIOServiceFirstPublishState | kIOServiceFirstMatchState);
+ victim->__state[1] &= ~kIOServiceRecursing;
- if (victim == this)
- victim->__state[1] |= kIOServiceTermPhase1State;
+ if (victim == this)
+ {
+ victim->__state[1] |= kIOServiceTermPhase1State;
+ if (kIOServiceTerminateNeedWillTerminate & options)
+ {
+ victim->__state[1] |= kIOServiceNeedWillTerminate;
+ }
+ }
victim->_adjustBusy( 1 );
} else if (victim != this) do {
- IOLockLock(gIOServiceBusyLock);
- wait = (victim->__state[1] & kIOServiceTermPhase1State);
- if( wait) {
- TLOG("%s::waitPhase1(%s)\n", getName(), victim->getName());
- victim->__state[1] |= kIOServiceTerm1WaiterState;
- victim->unlockForArbitration();
- assert_wait((event_t)&victim->__state[1], THREAD_UNINT);
- }
- IOLockUnlock(gIOServiceBusyLock);
- if( wait) {
- waitResult = thread_block(THREAD_CONTINUE_NULL);
- TLOG("%s::did waitPhase1(%s)\n", getName(), victim->getName());
- victim->lockForArbitration();
- }
- } while( wait && (waitResult != THREAD_TIMED_OUT));
-
+ IOLockLock(gIOServiceBusyLock);
+ wait = (victim->__state[1] & kIOServiceTermPhase1State);
+ if( wait) {
+ TLOG("%s[0x%qx]::waitPhase1(%s[0x%qx])\n",
+ getName(), getRegistryEntryID(), victim->getName(), victim->getRegistryEntryID());
+ victim->__state[1] |= kIOServiceTerm1WaiterState;
victim->unlockForArbitration();
+ assert_wait((event_t)&victim->__state[1], THREAD_UNINT);
+ }
+ IOLockUnlock(gIOServiceBusyLock);
+ if( wait) {
+ waitResult = thread_block(THREAD_CONTINUE_NULL);
+ TLOG("%s[0x%qx]::did waitPhase1(%s[0x%qx])\n",
+ getName(), getRegistryEntryID(), victim->getName(), victim->getRegistryEntryID());
+ victim->lockForArbitration();
+ }
+ } while( wait && (waitResult != THREAD_TIMED_OUT));
+
+ victim->unlockForArbitration();
}
if( victim == this)
startPhase2 = didInactive;
iter = victim->getClientIterator();
if( iter) {
while( (client = (IOService *) iter->getNextObject())) {
- TLOG("%s::requestTerminate(%s, %08llx)\n",
- client->getName(), victim->getName(), (long long)options);
+ TLOG("%s[0x%qx]::requestTerminate(%s[0x%qx], %08llx)\n",
+ client->getName(), client->getRegistryEntryID(),
+ victim->getName(), victim->getRegistryEntryID(), (long long)options);
ok = client->requestTerminate( victim, options );
- TLOG("%s::requestTerminate(%s, ok = %d)\n",
- client->getName(), victim->getName(), ok);
+ TLOG("%s[0x%qx]::requestTerminate(%s[0x%qx], ok = %d)\n",
+ client->getName(), client->getRegistryEntryID(),
+ victim->getName(), victim->getRegistryEntryID(), ok);
uint64_t regID1 = client->getRegistryEntryID();
uint64_t regID2 = victim->getRegistryEntryID();
if( startPhase2)
{
- lockForArbitration();
- __state[1] &= ~kIOServiceTermPhase1State;
- if (kIOServiceTerm1WaiterState & __state[1])
- {
- __state[1] &= ~kIOServiceTerm1WaiterState;
- TLOG("%s::wakePhase1\n", getName());
- IOLockLock( gIOServiceBusyLock );
- thread_wakeup( (event_t) &__state[1]);
- IOLockUnlock( gIOServiceBusyLock );
- }
- unlockForArbitration();
-
- scheduleTerminatePhase2( options );
+ lockForArbitration();
+ __state[1] &= ~kIOServiceTermPhase1State;
+ if (kIOServiceTerm1WaiterState & __state[1])
+ {
+ __state[1] &= ~kIOServiceTerm1WaiterState;
+ TLOG("%s[0x%qx]::wakePhase1\n", getName(), getRegistryEntryID());
+ IOLockLock( gIOServiceBusyLock );
+ thread_wakeup( (event_t) &__state[1]);
+ IOLockUnlock( gIOServiceBusyLock );
+ }
+ unlockForArbitration();
+ scheduleTerminatePhase2( options );
}
+
return( true );
}
+void IOService::setTerminateDefer(IOService * provider, bool defer)
+{
+ lockForArbitration();
+ if (defer) __state[1] |= kIOServiceStartState;
+ else __state[1] &= ~kIOServiceStartState;
+ unlockForArbitration();
+
+ if (provider && !defer)
+ {
+ provider->lockForArbitration();
+ provider->scheduleTerminatePhase2();
+ provider->unlockForArbitration();
+ }
+}
+
+// call with lockForArbitration
void IOService::scheduleTerminatePhase2( IOOptionBits options )
{
AbsoluteTime deadline;
int waitResult = THREAD_AWAKENED;
bool wait, haveDeadline = false;
+ if (!(__state[0] & kIOServiceInactiveState)
+ || (__state[1] & kIOServiceTermPhase1State)) return;
+
options |= kIOServiceRequired;
retain();
waitResult = IOLockSleepDeadline( gJobsLock, &gIOTerminateWork,
deadline, THREAD_UNINT );
if( waitResult == THREAD_TIMED_OUT) {
- IOLog("%s::terminate(kIOServiceSynchronous) timeout\n", getName());
+ IOLog("%s[0x%qx]::terminate(kIOServiceSynchronous) timeout\n", getName(), getRegistryEntryID());
}
}
} while(gIOTerminateWork || (wait && (waitResult != THREAD_TIMED_OUT)));
gIOTerminatePhase2List->setObject( this );
if( 0 == gIOTerminateWork++) {
if( !gIOTerminateThread)
- kernel_thread_start(&terminateThread, (void *) options, &gIOTerminateThread);
+ kernel_thread_start(&terminateThread, (void *)(uintptr_t) options, &gIOTerminateThread);
else
IOLockWakeup(gJobsLock, (event_t) &gIOTerminateWork, /* one-thread */ false );
}
void IOService::scheduleStop( IOService * provider )
{
- TLOG("%s::scheduleStop(%s)\n", getName(), provider->getName());
-
uint64_t regID1 = getRegistryEntryID();
uint64_t regID2 = provider->getRegistryEntryID();
+
+ TLOG("%s[0x%qx]::scheduleStop(%s[0x%qx])\n", getName(), regID1, provider->getName(), regID2);
IOServiceTrace(
IOSERVICE_TERMINATE_SCHEDULE_STOP,
(uintptr_t) regID1,
void IOService::scheduleFinalize( void )
{
- TLOG("%s::scheduleFinalize\n", getName());
-
uint64_t regID1 = getRegistryEntryID();
+
+ TLOG("%s[0x%qx]::scheduleFinalize\n", getName(), regID1);
IOServiceTrace(
IOSERVICE_TERMINATE_SCHEDULE_FINALIZE,
(uintptr_t) regID1,
scheduleStop( provider );
// -- compat
else {
- message( kIOMessageServiceIsRequestingClose, provider, (void *) options );
+ message( kIOMessageServiceIsRequestingClose, provider, (void *)(uintptr_t) options );
if( false == provider->handleIsOpen( this ))
scheduleStop( provider );
}
OSIterator * iter;
IOService * client;
bool ok;
+ uint64_t regID1, regID2 = victim->getRegistryEntryID();
iter = victim->getClientIterator();
if( iter) {
while( (client = (IOService *) iter->getNextObject())) {
- TLOG("%s::willTerminate(%s, %08llx)\n",
- client->getName(), victim->getName(), (long long)options);
- uint64_t regID1 = client->getRegistryEntryID();
- uint64_t regID2 = victim->getRegistryEntryID();
+ regID1 = client->getRegistryEntryID();
+ TLOG("%s[0x%qx]::willTerminate(%s[0x%qx], %08llx)\n",
+ client->getName(), regID1,
+ victim->getName(), regID2, (long long)options);
IOServiceTrace(
IOSERVICE_TERMINATE_WILL,
(uintptr_t) regID1,
OSIterator * iter;
IOService * client;
bool defer = false;
+ uint64_t regID1, regID2 = victim->getRegistryEntryID();
- victim->messageClients( kIOMessageServiceIsTerminated, (void *) options );
+ victim->messageClients( kIOMessageServiceIsTerminated, (void *)(uintptr_t) options );
iter = victim->getClientIterator();
if( iter) {
while( (client = (IOService *) iter->getNextObject())) {
- TLOG("%s::didTerminate(%s, %08llx)\n",
- client->getName(), victim->getName(), (long long)options);
+
+ regID1 = client->getRegistryEntryID();
+ TLOG("%s[0x%qx]::didTerminate(%s[0x%qx], %08llx)\n",
+ client->getName(), regID1,
+ victim->getName(), regID2, (long long)options);
client->didTerminate( victim, options, &defer );
- uint64_t regID1 = client->getRegistryEntryID();
- uint64_t regID2 = victim->getRegistryEntryID();
IOServiceTrace(
(defer ? IOSERVICE_TERMINATE_DID_DEFER
: IOSERVICE_TERMINATE_DID),
(uintptr_t) regID2,
(uintptr_t) (regID2 >> 32));
- TLOG("%s::didTerminate(%s, defer %d)\n",
- client->getName(), victim->getName(), defer);
+ TLOG("%s[0x%qx]::didTerminate(%s[0x%qx], defer %d)\n",
+ client->getName(), regID1,
+ victim->getName(), regID2, defer);
}
iter->release();
}
}
-void IOService::actionFinalize( IOService * victim, IOOptionBits options,
+
+void IOService::actionWillStop( IOService * victim, IOOptionBits options,
+ void *unused1 __unused, void *unused2 __unused,
+ void *unused3 __unused )
+{
+ OSIterator * iter;
+ IOService * provider;
+ bool ok;
+ uint64_t regID1, regID2 = victim->getRegistryEntryID();
+
+ iter = victim->getProviderIterator();
+ if( iter) {
+ while( (provider = (IOService *) iter->getNextObject())) {
+
+ regID1 = provider->getRegistryEntryID();
+ TLOG("%s[0x%qx]::willTerminate(%s[0x%qx], %08llx)\n",
+ victim->getName(), regID2,
+ provider->getName(), regID1, (long long)options);
+ IOServiceTrace(
+ IOSERVICE_TERMINATE_WILL,
+ (uintptr_t) regID2,
+ (uintptr_t) (regID2 >> 32),
+ (uintptr_t) regID1,
+ (uintptr_t) (regID1 >> 32));
+
+ ok = victim->willTerminate( provider, options );
+ }
+ iter->release();
+ }
+}
+
+void IOService::actionDidStop( IOService * victim, IOOptionBits options,
void *unused1 __unused, void *unused2 __unused,
void *unused3 __unused )
{
- TLOG("%s::finalize(%08llx)\n", victim->getName(), (long long)options);
+ OSIterator * iter;
+ IOService * provider;
+ bool defer = false;
+ uint64_t regID1, regID2 = victim->getRegistryEntryID();
+
+ iter = victim->getProviderIterator();
+ if( iter) {
+ while( (provider = (IOService *) iter->getNextObject())) {
+
+ regID1 = provider->getRegistryEntryID();
+ TLOG("%s[0x%qx]::didTerminate(%s[0x%qx], %08llx)\n",
+ victim->getName(), regID2,
+ provider->getName(), regID1, (long long)options);
+ victim->didTerminate( provider, options, &defer );
+ IOServiceTrace(
+ (defer ? IOSERVICE_TERMINATE_DID_DEFER
+ : IOSERVICE_TERMINATE_DID),
+ (uintptr_t) regID2,
+ (uintptr_t) (regID2 >> 32),
+ (uintptr_t) regID1,
+ (uintptr_t) (regID1 >> 32));
+
+ TLOG("%s[0x%qx]::didTerminate(%s[0x%qx], defer %d)\n",
+ victim->getName(), regID2,
+ provider->getName(), regID1, defer);
+ }
+ iter->release();
+ }
+}
+
+
+void IOService::actionFinalize( IOService * victim, IOOptionBits options,
+ void *unused1 __unused, void *unused2 __unused,
+ void *unused3 __unused )
+{
uint64_t regID1 = victim->getRegistryEntryID();
+ TLOG("%s[0x%qx]::finalize(%08llx)\n", victim->getName(), regID1, (long long)options);
IOServiceTrace(
IOSERVICE_TERMINATE_FINALIZE,
(uintptr_t) regID1,
void *unused1 __unused, void *unused2 __unused,
void *unused3 __unused )
{
- TLOG("%s::stop(%s)\n", client->getName(), provider->getName());
-
uint64_t regID1 = provider->getRegistryEntryID();
uint64_t regID2 = client->getRegistryEntryID();
+
+ TLOG("%s[0x%qx]::stop(%s[0x%qx])\n", client->getName(), regID2, provider->getName(), regID1);
IOServiceTrace(
IOSERVICE_TERMINATE_STOP,
(uintptr_t) regID1,
client->stop( provider );
if( provider->isOpen( client ))
provider->close( client );
- TLOG("%s::detach(%s)\n", client->getName(), provider->getName());
+
+ TLOG("%s[0x%qx]::detach(%s[0x%qx])\n", client->getName(), regID2, provider->getName(), regID1);
client->detach( provider );
}
OSArray * doPhase2List;
OSArray * didPhase2List;
OSSet * freeList;
+ OSIterator * iter;
UInt32 workDone;
IOService * victim;
IOService * client;
if( doPhase2) {
doPhase2 = (0 == (victim->__state[1] & kIOServiceTermPhase2State))
&& (0 == (victim->__state[1] & kIOServiceConfigState));
+
+ if (doPhase2 && (iter = victim->getClientIterator())) {
+ while (doPhase2 && (client = (IOService *) iter->getNextObject())) {
+ doPhase2 = (0 == (client->__state[1] & kIOServiceStartState));
+
+ if (!doPhase2) TLOG("%s[0x%qx]::defer phase2(%s[0x%qx])\n",
+ victim->getName(), victim->getRegistryEntryID(),
+ client->getName(), client->getRegistryEntryID());
+ }
+ iter->release();
+ }
if( doPhase2)
victim->__state[1] |= kIOServiceTermPhase2State;
}
victim->unlockForArbitration();
}
if( doPhase2) {
+
+ if (kIOServiceNeedWillTerminate & victim->__state[1]) {
+ _workLoopAction( (IOWorkLoop::Action) &actionWillStop,
+ victim, (void *)(uintptr_t) options, NULL );
+ }
+
if( 0 == victim->getClient()) {
// no clients - will go to finalize
IOLockLock( gJobsLock );
IOLockUnlock( gJobsLock );
} else {
_workLoopAction( (IOWorkLoop::Action) &actionWillTerminate,
- victim, (void *) options, (void *) doPhase2List );
+ victim, (void *)(uintptr_t) options, (void *)(uintptr_t) doPhase2List );
}
didPhase2List->headQ( victim );
}
victim->unlockForArbitration();
}
_workLoopAction( (IOWorkLoop::Action) &actionDidTerminate,
- victim, (void *) options );
+ victim, (void *)(uintptr_t) options );
+ if (kIOServiceNeedWillTerminate & victim->__state[1]) {
+ _workLoopAction( (IOWorkLoop::Action) &actionDidStop,
+ victim, (void *)(uintptr_t) options, NULL );
+ }
didPhase2List->removeObject(0);
}
IOLockLock( gJobsLock );
IOLockUnlock( gJobsLock );
_workLoopAction( (IOWorkLoop::Action) &actionFinalize,
- victim, (void *) options );
+ victim, (void *)(uintptr_t) options );
IOLockLock( gJobsLock );
// hold off free
freeList->setObject( victim );
provider = (IOService *) gIOStopProviderList->getObject(idx);
assert( provider );
+
+ uint64_t regID1 = provider->getRegistryEntryID();
+ uint64_t regID2 = client->getRegistryEntryID();
if( !provider->isChild( client, gIOServicePlane )) {
// may be multiply queued - nop it
- TLOG("%s::nop stop(%s)\n", client->getName(), provider->getName());
-
- uint64_t regID1 = provider->getRegistryEntryID();
- uint64_t regID2 = client->getRegistryEntryID();
+ TLOG("%s[0x%qx]::nop stop(%s[0x%qx])\n", client->getName(), regID2, provider->getName(), regID1);
IOServiceTrace(
IOSERVICE_TERMINATE_STOP_NOP,
(uintptr_t) regID1,
} else {
// a terminated client is not ready for stop if it has clients, skip it
if( (kIOServiceInactiveState & client->__state[0]) && client->getClient()) {
- TLOG("%s::defer stop(%s)\n", client->getName(), provider->getName());
-
- uint64_t regID1 = provider->getRegistryEntryID();
- uint64_t regID2 = client->getRegistryEntryID();
+ TLOG("%s[0x%qx]::defer stop(%s[0x%qx])\n",
+ client->getName(), regID2,
+ client->getClient()->getName(), client->getClient()->getRegistryEntryID());
IOServiceTrace(
IOSERVICE_TERMINATE_STOP_DEFER,
(uintptr_t) regID1,
bool IOService::finalize( IOOptionBits options )
{
- OSIterator * iter;
- IOService * provider;
+ OSIterator * iter;
+ IOService * provider;
+ uint64_t regID1, regID2 = getRegistryEntryID();
iter = getProviderIterator();
assert( iter );
// -- compat
if( 0 == (__state[1] & kIOServiceTermPhase3State)) {
/* we come down here on programmatic terminate */
+
+ regID1 = provider->getRegistryEntryID();
+ TLOG("%s[0x%qx]::stop1(%s[0x%qx])\n", getName(), regID2, provider->getName(), regID1);
+ IOServiceTrace(
+ IOSERVICE_TERMINATE_STOP,
+ (uintptr_t) regID1,
+ (uintptr_t) (regID1 >> 32),
+ (uintptr_t) regID2,
+ (uintptr_t) (regID2 >> 32));
+
stop( provider );
if( provider->isOpen( this ))
provider->close( this );
ServiceOpenMessageContext * context = (ServiceOpenMessageContext *) ctx;
if( object != context->excludeClient)
- context->service->messageClient( context->type, object, (void *) context->options );
+ context->service->messageClient( context->type, object, (void *)(uintptr_t) context->options );
}
bool IOService::open( IOService * forClient,
else if( options & kIOServiceSeize ) {
ok = (kIOReturnSuccess == messageClient( kIOMessageServiceIsRequestingClose,
- __owner, (void *) options ));
+ __owner, (void *)(uintptr_t) options ));
if( ok && (0 == __owner ))
__owner = forClient;
else
if( (client = copyClientWithCategory(category)) ) {
#if IOMATCHDEBUG
- if( debugFlags & kIOLogMatch)
+ if( (debugFlags & kIOLogMatch) && (this != gIOResources))
LOG("%s: match category %s exists\n", getName(),
category->getCStringNoCopy());
#endif
if( !symbol)
continue;
- //IOLog("%s alloc (symbol %p props %p)\n", symbol->getCStringNoCopy(), symbol, props);
+ //IOLog("%s alloc (symbol %p props %p)\n", symbol->getCStringNoCopy(), OBFUSCATE(symbol), OBFUSCATE(props));
// alloc the driver instance
inst = (IOService *) OSMetaClass::allocClassWithName( symbol);
}
if( gIOKitDebug & kIOLogConfig)
- LOG("config(%p): stalling %s\n", IOThreadSelf(), getName());
+ LOG("config(%p): stalling %s\n", OBFUSCATE(IOThreadSelf()), getName());
waitForService( table );
if( gIOKitDebug & kIOLogConfig)
- LOG("config(%p): waking\n", IOThreadSelf() );
+ LOG("config(%p): waking\n", OBFUSCATE(IOThreadSelf()) );
return( true );
}
if( matches) {
lockForArbitration();
- if( 0 == (__state[0] & kIOServiceFirstPublishState))
+ if( 0 == (__state[0] & kIOServiceFirstPublishState)) {
+ getMetaClass()->addInstance(this);
deliverNotification( gIOFirstPublishNotification,
kIOServiceFirstPublishState, 0xffffffff );
+ }
LOCKREADNOTIFY();
__state[1] &= ~kIOServiceNeedConfigState;
__state[1] |= kIOServiceConfigState;
}
UNLOCKNOTIFY();
- if (didRegister) {
- getMetaClass()->addInstance(this);
- }
unlockForArbitration();
if (keepGuessing && matches->getCount() && (kIOReturnSuccess == getResources()))
}
__state[1] &= ~kIOServiceConfigState;
- if( __state[0] & kIOServiceInactiveState)
- scheduleTerminatePhase2();
+ scheduleTerminatePhase2();
_adjustBusy( -1 );
unlockForArbitration();
IOReturn IOService::waitQuiet( uint64_t timeout )
{
- return( waitForState( kIOServiceBusyStateMask, 0, timeout ));
+ IOReturn ret;
+ ret = waitForState( kIOServiceBusyStateMask, 0, timeout );
+ if ((kIOReturnTimeout == ret) && (timeout >= 30000000000) && (kIOWaitQuietPanics & gIOKitDebug))
+ {
+ panic("IOService 0x%llx (%s) busy timeout", getRegistryEntryID(), getName());
+ }
+ return (ret);
}
IOReturn IOService::waitQuiet( mach_timespec_t * timeout )
else
timeoutNS = UINT64_MAX;
- return( waitForState( kIOServiceBusyStateMask, 0, timeoutNS ));
+ return (waitQuiet(timeoutNS));
}
bool IOService::serializeProperties( OSSerialize * s ) const
if( gIOKitDebug & kIOLogConfig)
LOG("config(%p): starting on %s, %d\n",
- IOThreadSelf(), job->nub->getName(), job->type);
+ OBFUSCATE(IOThreadSelf()), job->nub->getName(), job->type);
switch( job->type) {
default:
LOG("config(%p): strange type (%d)\n",
- IOThreadSelf(), job->type );
+ OBFUSCATE(IOThreadSelf()), job->type );
break;
}
} while( alive );
if( gIOKitDebug & kIOLogConfig)
- LOG("config(%p): terminating\n", IOThreadSelf() );
+ LOG("config(%p): terminating\n", OBFUSCATE(IOThreadSelf()) );
self->release();
}
OSSerialize * s2 = OSSerialize::withCapacity(128);
current->serialize(s1);
_current->serialize(s2);
- kprintf("**mismatch** %p %p\n%s\n%s\n%s\n", current, _current, s->text(), s1->text(), s2->text());
+ kprintf("**mismatch** %p %p\n%s\n%s\n%s\n", OBFUSCATE(current),
+ OBFUSCATE(_current), s->text(), s1->text(), s2->text());
s1->release();
s2->release();
}
OSString * str;
OSSet * set;
OSIterator * iter;
- bool ok = false;
+ bool ok = true;
prop = table->getObject( gIOResourceMatchKey );
str = OSDynamicCast( OSString, prop );
#if HIBERNATION
if (gIOChosenEntry)
{
- uint32_t screenLockState;
-
- if (locked == kOSBooleanTrue) screenLockState = kIOScreenLockLocked;
- else if (gIOConsoleLockTime) screenLockState = kIOScreenLockUnlocked;
- else screenLockState = kIOScreenLockNoLock;
-
- if (screenLockState != gIOScreenLockState) gIOChosenEntry->setProperty(kIOScreenLockStateKey, &screenLockState, sizeof(screenLockState));
- gIOScreenLockState = screenLockState;
+ if (locked == kOSBooleanTrue) gIOScreenLockState = kIOScreenLockLocked;
+ else if (gIOConsoleLockTime) gIOScreenLockState = kIOScreenLockUnlocked;
+ else gIOScreenLockState = kIOScreenLockNoLock;
+ gIOChosenEntry->setProperty(kIOScreenLockStateKey, &gIOScreenLockState, sizeof(gIOScreenLockState));
}
#endif /* HIBERNATION */
*/
int IOService::errnoFromReturn( IOReturn rtn )
{
+ if (unix_err(err_get_code(rtn)) == rtn)
+ return err_get_code(rtn);
+
switch(rtn) {
// (obvious match)
case kIOReturnSuccess:
{
ml_set_maxintdelay(ns);
}
+ sCPULatencyHolder[delayType]->setValue(holder ? holder->getRegistryEntryID() : 0);
+ sCPULatencySet [delayType]->setValue(ns);
OSArray * handlers = sCpuLatencyHandlers[delayType];
IOService * target;
return interruptController->unregisterInterrupt(this, source);
}
+IOReturn IOService::addInterruptStatistics(IOInterruptAccountingData * statistics, int source)
+{
+ IOReportLegend * legend = NULL;
+ IOInterruptAccountingData * oldValue = NULL;
+ IOInterruptAccountingReporter * newArray = NULL;
+ int newArraySize = 0;
+ int i = 0;
+
+ if (source < 0) {
+ return kIOReturnBadArgument;
+ }
+
+ /*
+ * We support statistics on a maximum of 256 interrupts per nub; if a nub
+ * has more than 256 interrupt specifiers associated with it, and tries
+ * to register a high interrupt index with interrupt accounting, panic.
+ * Having more than 256 interrupts associated with a single nub is
+ * probably a sign that something fishy is going on.
+ */
+ if (source > IA_INDEX_MAX) {
+ panic("addInterruptStatistics called for an excessively large index (%d)", source);
+ }
+
+ /*
+ * TODO: This is ugly (wrapping a lock around an allocation). I'm only
+ * leaving it as is because the likelihood of contention where we are
+ * actually growing the array is minimal (we would realistically need
+ * to be starting a driver for the first time, with an IOReporting
+ * client already in place). Nonetheless, cleanup that can be done
+ * to adhere to best practices; it'll make the code more complicated,
+ * unfortunately.
+ */
+ IOLockLock(reserved->interruptStatisticsLock);
+
+ /*
+ * Lazily allocate the statistics array.
+ */
+ if (!reserved->interruptStatisticsArray) {
+ reserved->interruptStatisticsArray = IONew(IOInterruptAccountingReporter, 1);
+ assert(reserved->interruptStatisticsArray);
+ reserved->interruptStatisticsArrayCount = 1;
+ bzero(reserved->interruptStatisticsArray, sizeof(*reserved->interruptStatisticsArray));
+ }
+
+ if (source >= reserved->interruptStatisticsArrayCount) {
+ /*
+ * We're still within the range of supported indices, but we are out
+ * of space in the current array. Do a nasty realloc (because
+ * IORealloc isn't a thing) here. We'll double the size with each
+ * reallocation.
+ *
+ * Yes, the "next power of 2" could be more efficient; but this will
+ * be invoked incredibly rarely. Who cares.
+ */
+ newArraySize = (reserved->interruptStatisticsArrayCount << 1);
+
+ while (newArraySize <= source)
+ newArraySize = (newArraySize << 1);
+ newArray = IONew(IOInterruptAccountingReporter, newArraySize);
+
+ assert(newArray);
+
+ /*
+ * TODO: This even zeroes the memory it is about to overwrite.
+ * Shameful; fix it. Not particularly high impact, however.
+ */
+ bzero(newArray, newArraySize * sizeof(*newArray));
+ memcpy(newArray, reserved->interruptStatisticsArray, reserved->interruptStatisticsArrayCount * sizeof(*newArray));
+ IODelete(reserved->interruptStatisticsArray, IOInterruptAccountingReporter, reserved->interruptStatisticsArrayCount);
+ reserved->interruptStatisticsArray = newArray;
+ reserved->interruptStatisticsArrayCount = newArraySize;
+ }
+
+ if (!reserved->interruptStatisticsArray[source].reporter) {
+ /*
+ * We don't have a reporter associated with this index yet, so we
+ * need to create one.
+ */
+ /*
+ * TODO: Some statistics do in fact have common units (time); should this be
+ * split into separate reporters to communicate this?
+ */
+ reserved->interruptStatisticsArray[source].reporter = IOSimpleReporter::with(this, kIOReportCategoryInterrupt, kIOReportUnitNone);
+
+ /*
+ * Each statistic is given an identifier based on the interrupt index (which
+ * should be unique relative to any single nub) and the statistic involved.
+ * We should now have a sane (small and positive) index, so start
+ * constructing the channels for statistics.
+ */
+ for (i = 0; i < IA_NUM_INTERRUPT_ACCOUNTING_STATISTICS; i++) {
+ /*
+ * TODO: Currently, this does not add channels for disabled statistics.
+ * Will this be confusing for clients? If so, we should just add the
+ * channels; we can avoid updating the channels even if they exist.
+ */
+ if (IA_GET_STATISTIC_ENABLED(i))
+ reserved->interruptStatisticsArray[source].reporter->addChannel(IA_GET_CHANNEL_ID(source, i), kInterruptAccountingStatisticNameArray[i]);
+ }
+
+ /*
+ * We now need to add the legend for this reporter to the registry.
+ */
+ legend = IOReportLegend::with(OSDynamicCast(OSArray, getProperty(kIOReportLegendKey)));
+
+ if ((source >= IA_MAX_SUBGROUP_NAME) || (source < 0)) {
+ /*
+ * Either we're using a nonsensical index (should never happen), or the
+ * index is larger than anticipated (may happen, almost certainly won't).
+ * This may move to live generation of the names in the future, but for
+ * now, point both cases to a generic subgroup name (this will confuse
+ * clients, unfortunately).
+ */
+ legend->addReporterLegend(reserved->interruptStatisticsArray[source].reporter, kInterruptAccountingGroupName, kInterruptAccountingGenericSubgroupName);
+ } else {
+ legend->addReporterLegend(reserved->interruptStatisticsArray[source].reporter, kInterruptAccountingGroupName, kInterruptAccountingSubgroupNames[source]);
+ }
+
+ setProperty(kIOReportLegendKey, legend->getLegend());
+ legend->release();
+
+ /*
+ * TODO: Is this a good idea? Probably not; my assumption is it opts
+ * all entities who register interrupts into public disclosure of all
+ * IOReporting channels. Unfortunately, this appears to be as fine
+ * grain as it gets.
+ */
+ setProperty(kIOReportLegendPublicKey, true);
+ }
+
+ /*
+ * Don't stomp existing entries. If we are about to, panic; this
+ * probably means we failed to tear down our old interrupt source
+ * correctly.
+ */
+ oldValue = reserved->interruptStatisticsArray[source].statistics;
+
+ if (oldValue) {
+ panic("addInterruptStatistics call for index %d would have clobbered existing statistics", source);
+ }
+
+ reserved->interruptStatisticsArray[source].statistics = statistics;
+
+ /*
+ * Inherit the reporter values for each statistic. The target may
+ * be torn down as part of the runtime of the service (especially
+ * for sleep/wake), so we inherit in order to avoid having values
+ * reset for no apparent reason. Our statistics are ultimately
+ * tied to the index and the sevice, not to an individual target,
+ * so we should maintain them accordingly.
+ */
+ interruptAccountingDataInheritChannels(reserved->interruptStatisticsArray[source].statistics, reserved->interruptStatisticsArray[source].reporter);
+
+ IOLockUnlock(reserved->interruptStatisticsLock);
+
+ return kIOReturnSuccess;
+}
+
+IOReturn IOService::removeInterruptStatistics(int source)
+{
+ IOInterruptAccountingData * value = NULL;
+
+ if (source < 0) {
+ return kIOReturnBadArgument;
+ }
+
+ IOLockLock(reserved->interruptStatisticsLock);
+
+ /*
+ * We dynamically grow the statistics array, so an excessively
+ * large index value has NEVER been registered. This either
+ * means our cap on the array size is too small (unlikely), or
+ * that we have been passed a corrupt index (this must be passed
+ * the plain index into the interrupt specifier list).
+ */
+ if (source >= reserved->interruptStatisticsArrayCount) {
+ panic("removeInterruptStatistics called for index %d, which was never registered", source);
+ }
+
+ assert(reserved->interruptStatisticsArray);
+
+ /*
+ * If there is no existing entry, we are most likely trying to
+ * free an interrupt owner twice, or we have corrupted the
+ * index value.
+ */
+ value = reserved->interruptStatisticsArray[source].statistics;
+
+ if (!value) {
+ panic("removeInterruptStatistics called for empty index %d", source);
+ }
+
+ /*
+ * We update the statistics, so that any delta with the reporter
+ * state is not lost.
+ */
+ interruptAccountingDataUpdateChannels(reserved->interruptStatisticsArray[source].statistics, reserved->interruptStatisticsArray[source].reporter);
+ reserved->interruptStatisticsArray[source].statistics = NULL;
+ IOLockUnlock(reserved->interruptStatisticsLock);
+
+ return kIOReturnSuccess;
+}
+
IOReturn IOService::getInterruptType(int source, int *interruptType)
{
IOInterruptController *interruptController;
return interruptController->causeInterrupt(this, source);
}
+IOReturn IOService::configureReport(IOReportChannelList *channelList,
+ IOReportConfigureAction action,
+ void *result,
+ void *destination)
+{
+ unsigned cnt;
+
+ for (cnt = 0; cnt < channelList->nchannels; cnt++) {
+ if ( channelList->channels[cnt].channel_id == kPMPowerStatesChID ) {
+ if (pwrMgt) configurePowerStatesReport(action, result);
+ else return kIOReturnUnsupported;
+ }
+ else if ( channelList->channels[cnt].channel_id == kPMCurrStateChID ) {
+ if (pwrMgt) configureSimplePowerReport(action, result);
+ else return kIOReturnUnsupported;
+ }
+ }
+
+ IOLockLock(reserved->interruptStatisticsLock);
+
+ /* The array count is signed (because the interrupt indices are signed), hence the cast */
+ for (cnt = 0; cnt < (unsigned) reserved->interruptStatisticsArrayCount; cnt++) {
+ if (reserved->interruptStatisticsArray[cnt].reporter) {
+ /*
+ * If the reporter is currently associated with the statistics
+ * for an event source, we may need to update the reporter.
+ */
+ if (reserved->interruptStatisticsArray[cnt].statistics)
+ interruptAccountingDataUpdateChannels(reserved->interruptStatisticsArray[cnt].statistics, reserved->interruptStatisticsArray[cnt].reporter);
+
+ reserved->interruptStatisticsArray[cnt].reporter->configureReport(channelList, action, result, destination);
+ }
+ }
+
+ IOLockUnlock(reserved->interruptStatisticsLock);
+
+ return kIOReturnSuccess;
+}
+
+IOReturn IOService::updateReport(IOReportChannelList *channelList,
+ IOReportUpdateAction action,
+ void *result,
+ void *destination)
+{
+ unsigned cnt;
+
+ for (cnt = 0; cnt < channelList->nchannels; cnt++) {
+ if ( channelList->channels[cnt].channel_id == kPMPowerStatesChID ) {
+ if (pwrMgt) updatePowerStatesReport(action, result, destination);
+ else return kIOReturnUnsupported;
+ }
+ else if ( channelList->channels[cnt].channel_id == kPMCurrStateChID ) {
+ if (pwrMgt) updateSimplePowerReport(action, result, destination);
+ else return kIOReturnUnsupported;
+ }
+ }
+
+ IOLockLock(reserved->interruptStatisticsLock);
+
+ /* The array count is signed (because the interrupt indices are signed), hence the cast */
+ for (cnt = 0; cnt < (unsigned) reserved->interruptStatisticsArrayCount; cnt++) {
+ if (reserved->interruptStatisticsArray[cnt].reporter) {
+ /*
+ * If the reporter is currently associated with the statistics
+ * for an event source, we need to update the reporter.
+ */
+ if (reserved->interruptStatisticsArray[cnt].statistics)
+ interruptAccountingDataUpdateChannels(reserved->interruptStatisticsArray[cnt].statistics, reserved->interruptStatisticsArray[cnt].reporter);
+
+ reserved->interruptStatisticsArray[cnt].reporter->updateReport(channelList, action, result, destination);
+ }
+ }
+
+ IOLockUnlock(reserved->interruptStatisticsLock);
+
+ return kIOReturnSuccess;
+}
+
+uint64_t IOService::getAuthorizationID( void )
+{
+ return reserved->authorizationID;
+}
+
+IOReturn IOService::setAuthorizationID( uint64_t authorizationID )
+{
+ OSObject * entitlement;
+ IOReturn status;
+
+ entitlement = IOUserClient::copyClientEntitlement( current_task( ), "com.apple.private.iokit.IOServiceSetAuthorizationID" );
+
+ if ( entitlement )
+ {
+ if ( entitlement == kOSBooleanTrue )
+ {
+ reserved->authorizationID = authorizationID;
+
+ status = kIOReturnSuccess;
+ }
+ else
+ {
+ status = kIOReturnNotPrivileged;
+ }
+
+ entitlement->release( );
+ }
+ else
+ {
+ status = kIOReturnNotPrivileged;
+ }
+
+ return status;
+}
+
#if __LP64__
-OSMetaClassDefineReservedUnused(IOService, 0);
-OSMetaClassDefineReservedUnused(IOService, 1);
+OSMetaClassDefineReservedUsed(IOService, 0);
+OSMetaClassDefineReservedUsed(IOService, 1);
OSMetaClassDefineReservedUnused(IOService, 2);
OSMetaClassDefineReservedUnused(IOService, 3);
OSMetaClassDefineReservedUnused(IOService, 4);
OSMetaClassDefineReservedUnused(IOService, 5);
+OSMetaClassDefineReservedUnused(IOService, 6);
+OSMetaClassDefineReservedUnused(IOService, 7);
#else
OSMetaClassDefineReservedUsed(IOService, 0);
OSMetaClassDefineReservedUsed(IOService, 1);
OSMetaClassDefineReservedUsed(IOService, 3);
OSMetaClassDefineReservedUsed(IOService, 4);
OSMetaClassDefineReservedUsed(IOService, 5);
+OSMetaClassDefineReservedUsed(IOService, 6);
+OSMetaClassDefineReservedUsed(IOService, 7);
#endif
-OSMetaClassDefineReservedUnused(IOService, 6);
-OSMetaClassDefineReservedUnused(IOService, 7);
OSMetaClassDefineReservedUnused(IOService, 8);
OSMetaClassDefineReservedUnused(IOService, 9);
OSMetaClassDefineReservedUnused(IOService, 10);
projects / apple / xnu.git / blobdiff