bool AppleLVMGroup::resizeSet(UInt32 newMemberCount)
{
UInt32 oldMemberCount = arMemberCount;
UInt64 * oldBlockCounts = arMemberBlockCounts;
arMemberBlockCounts = IONew(UInt64, newMemberCount);
bzero(arMemberBlockCounts, sizeof(UInt64) * newMemberCount);
if (oldBlockCounts) {
bcopy(oldBlockCounts, arMemberBlockCounts, sizeof(UInt64) * oldMemberCount);
IODelete(oldBlockCounts, sizeof(UInt64), oldMemberCount);
}
UInt64 * oldStartingOffset = arMemberStartingOffset;
arMemberStartingOffset = IONew(UInt64, newMemberCount);
bzero(arMemberStartingOffset, sizeof(UInt64) * newMemberCount);
if (oldStartingOffset) {
bcopy(oldStartingOffset, arMemberStartingOffset, sizeof(UInt64) * oldMemberCount);
IODelete(oldStartingOffset, sizeof(UInt64), oldMemberCount);
}
AppleLVMVolume ** oldMetaDataVolumes = arMetaDataVolumes;
arMetaDataVolumes = IONew(AppleLVMVolume *, newMemberCount);
bzero(arMetaDataVolumes, sizeof(AppleLVMVolume *) * newMemberCount);
if (oldMetaDataVolumes) {
bcopy(oldMetaDataVolumes, arMetaDataVolumes, sizeof(AppleLVMVolume *) * oldMemberCount);
IODelete(oldMetaDataVolumes, sizeof(AppleLVMVolume *), oldMemberCount);
}
if (super::resizeSet(newMemberCount) == false) return false;
if (oldMemberCount && arMemberCount > oldMemberCount) arExpectingLiveAdd += arMemberCount - oldMemberCount;
return true;
}
void AppleLVMGroup::free(void)
{
if (arMemberBlockCounts) IODelete(arMemberBlockCounts, UInt64, arMemberCount);
if (arMemberStartingOffset) IODelete(arMemberStartingOffset, UInt64, arMemberCount);
if (arPrimaryBuffer) arPrimaryBuffer->release();
UInt32 i;
if (arLogicalVolumes) {
for (i = 0; i < arLogicalVolumeCount; i++) {
if (arLogicalVolumes[i]) {
arController->removeLogicalVolume(arLogicalVolumes[i]);
arLogicalVolumes[i]->release();
arLogicalVolumes[i] = NULL;
}
}
IODelete(arLogicalVolumes, AppleLVMVolume *, 1024); // XXXTOC
}
if (arMetaDataVolumes) {
for (i = 0; i < arMemberCount; i++) {
if (arMetaDataVolumes[i]) arMetaDataVolumes[i]->release();
}
IODelete(arMetaDataVolumes, AppleLVMVolume *, arMemberCount);
}
super::free();
}
/*
* free:
*
* Free resources
*/
void IOBufferMemoryDescriptor::free()
{
// Cache all of the relevant information on the stack for use
// after we call super::free()!
IOOptionBits flags = _flags;
IOOptionBits internalFlags = _internalFlags;
IOOptionBits options = _options;
vm_size_t size = _capacity;
void * buffer = _buffer;
IOMemoryMap * map = 0;
IOAddressRange * range = _ranges.v64;
vm_offset_t alignment = _alignment;
if (alignment >= page_size)
size = round_page(size);
if (reserved)
{
map = reserved->map;
IODelete( reserved, ExpansionData, 1 );
if (map)
map->release();
}
/* super::free may unwire - deallocate buffer afterwards */
super::free();
if (options & kIOMemoryPageable)
{
#if IOALLOCDEBUG
debug_iomallocpageable_size -= round_page(size);
#endif
}
else if (buffer)
{
if (kInternalFlagPageSized & internalFlags) size = round_page(size);
if (kInternalFlagPhysical & internalFlags)
{
IOKernelFreePhysical((mach_vm_address_t) buffer, size);
}
else if (kInternalFlagPageAllocated & internalFlags)
{
iopa_free((uintptr_t) buffer, size);
}
else if (alignment > 1)
{
IOFreeAligned(buffer, size);
}
else
{
IOFree(buffer, size);
}
}
if (range && (kIOMemoryAsReference & flags))
IODelete(range, IOAddressRange, 1);
}
void AppleRAIDMirrorSet::free(void)
{
if (arRebuildThreadCall) thread_call_free(arRebuildThreadCall);
arRebuildThreadCall = 0;
if (arSetCompleteThreadCall) thread_call_free(arSetCompleteThreadCall);
arSetCompleteThreadCall = 0;
if (arLastSeek) IODelete(arLastSeek, UInt64, arLastAllocCount);
if (arSkippedIOCount) IODelete(arSkippedIOCount, UInt64, arLastAllocCount);
assert(queue_empty(&arFailedRequestQueue));
super::free();
}
void IORangeAllocator::free()
{
if( elements)
IODelete( elements, IORangeAllocatorElement, capacity );
super::free();
}
void IORecursiveLockFree( IORecursiveLock * _lock )
{
_IORecursiveLock * lock = (_IORecursiveLock *)_lock;
mutex_free( lock->mutex );
IODelete( lock, _IORecursiveLock, 1);
}
void IOAccelerationUserClient::stop( IOService * provider )
{
IOAccelIDRecord * record;
IOLockLock(gLock);
while (!queue_empty( &fTaskList ))
{
queue_remove_first( &fTaskList,
record,
IOAccelIDRecord *,
task_link );
if (--record->retain)
record->task_link.next = 0;
else
{
queue_remove(&gGlobalList,
record,
IOAccelIDRecord *,
glob_link);
gTotalCount--;
IODelete(record, IOAccelIDRecord, 1);
}
}
IOLockUnlock(gLock);
super::stop( provider );
}
void net_habitue_device_SC101::handleAsyncIOTimeout(outstanding *out, void *ctx)
{
outstanding_io *io = (outstanding_io *)ctx;
IOStorageCompletion completion = io->completion;
bool isWrite = (io->buffer->getDirection() == kIODirectionOut);
io->attempt++;
io->timeout_ms = getNextTimeoutMS(io->attempt, isWrite);
if (io->timeout_ms)
{
if (io->attempt > 3)
KINFO("retry IO (%p, %d, %d)", io, io->attempt, io->timeout_ms);
else
KDEBUG("retry IO (%p, %d, %d)", io, io->attempt, io->timeout_ms);
// IOBlockStorageDriver::incrementRetries(isWrite)
doSubmitIO(io);
return;
}
KINFO("abort IO %p", io);
// IOBlockStorageDriver::incrementErrors(isWrite)
completeIO(io);
io->addr->release();
IODelete(io, outstanding_io, 1);
IOStorage::complete(completion, kIOReturnNotResponding, 0);
}
IOReturn
IOPolledFileClose(IOPolledFileIOVars ** pVars,
off_t write_offset, void * addr, size_t write_length,
off_t discard_offset, off_t discard_end)
{
IOPolledFileIOVars * vars;
vars = *pVars;
if (!vars) return(kIOReturnSuccess);
if (vars->fileRef)
{
kern_close_file_for_direct_io(vars->fileRef, write_offset, addr, write_length,
discard_offset, discard_end);
vars->fileRef = NULL;
}
if (vars->fileExtents)
{
vars->fileExtents->release();
vars->fileExtents = 0;
}
if (vars->pollers)
{
vars->pollers->release();
vars->pollers = 0;
}
if (vars->allocated) IODelete(vars, IOPolledFileIOVars, 1);
else bzero(vars, sizeof(IOPolledFileIOVars));
*pVars = NULL;
return (kIOReturnSuccess);
}
void net_habitue_device_SC101::handleResolveTimeout(outstanding *out, void *ctx)
{
KINFO("resolve timed out, no such ID '%s'?", getID()->getCStringNoCopy());
IODelete(out, outstanding, 1);
// TODO(iwade) detach if never successfully resolved.
}
// Free is called twice:
// First when the atomic retainCount transitions from 1 -> 0
// Secondly when the work loop itself is commiting hari kari
// Hence the each leg of the free must be single threaded.
void IOWorkLoop::free()
{
if (workThread) {
IOInterruptState is;
// If we are here then we must be trying to shut down this work loop
// in this case disable all of the event source, mark the loop
// as terminating and wakeup the work thread itself and return
// Note: we hold the gate across the entire operation mainly for the
// benefit of our event sources so we can disable them cleanly.
closeGate();
disableAllEventSources();
is = IOSimpleLockLockDisableInterrupt(workToDoLock);
SETP(&fFlags, kLoopTerminate);
thread_wakeup_one((void *) &workToDo);
IOSimpleLockUnlockEnableInterrupt(workToDoLock, is);
openGate();
}
else /* !workThread */ {
IOEventSource *event, *next;
for (event = eventChain; event; event = next) {
next = event->getNext();
event->setWorkLoop(0);
event->setNext(0);
event->release();
}
eventChain = 0;
// Either we have a partial initialization to clean up
// or the workThread itself is performing hari-kari.
// Either way clean up all of our resources and return.
if (controlG) {
controlG->release();
controlG = 0;
}
if (workToDoLock) {
IOSimpleLockFree(workToDoLock);
workToDoLock = 0;
}
if (gateLock) {
IORecursiveLockFree(gateLock);
gateLock = 0;
}
if (reserved) {
IODelete(reserved, ExpansionData, 1);
reserved = 0;
}
super::free();
}
}
void IOEventSource::free( void )
{
IOStatisticsUnregisterCounter();
if (reserved)
IODelete(reserved, ExpansionData, 1);
super::free();
}
bool AppleRAIDMirrorSet::resizeSet(UInt32 newMemberCount)
{
UInt32 oldMemberCount = arMemberCount;
// if downsizing, just hold on to the extra space
if (arLastAllocCount < newMemberCount) {
if (arLastSeek) IODelete(arLastSeek, UInt64, arLastAllocCount);
arLastSeek = IONew(UInt64, newMemberCount);
if (!arLastSeek) return false;
if (arSkippedIOCount) IODelete(arSkippedIOCount, UInt64, arLastAllocCount);
arSkippedIOCount = IONew(UInt64, newMemberCount);
if (!arSkippedIOCount) return false;
}
bzero(arLastSeek, sizeof(UInt64) * newMemberCount);
bzero(arSkippedIOCount, sizeof(UInt64) * newMemberCount);
if (super::resizeSet(newMemberCount) == false) return false;
if (oldMemberCount && arMemberCount > oldMemberCount) arExpectingLiveAdd += arMemberCount - oldMemberCount;
return true;
}
void IOHIDInterface::free()
{
OSSafeReleaseNULL(_transportString);
OSSafeReleaseNULL(_elementArray);
OSSafeReleaseNULL(_manufacturerString);
OSSafeReleaseNULL(_productString);
OSSafeReleaseNULL(_serialNumberString);
if ( _reserved )
{
IODelete( _reserved, ExpansionData, 1 );
}
super::free();
}
void deblockCompletion(void *target, void *parameter, IOReturn status, UInt64 actualByteCount)
{
deblock_state *state = (deblock_state *)parameter;
deblock_master_state *master = state->master;
state->buffer->release();
IODelete(state, deblock_state, 1);
master->pending--;
master->actualByteCount += actualByteCount;
if (status != kIOReturnSuccess)
master->status = status;
if (!master->pending)
{
if (master->status != kIOReturnSuccess)
KINFO("deblock FAILED");
IOStorage::complete(master->completion, master->status, master->actualByteCount);
master->addr->release();
IODelete(master, deblock_master_state, 1);
}
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
void IOHIKeyboardMapper::free()
{
if (!_parsedMapping.mapping || !_parsedMapping.mappingLen)
return;
if (_reserved) {
IODelete(_reserved, ExpansionData, 1);
}
if (_mappingShouldBeFreed)
IOFree((void *)_parsedMapping.mapping, _parsedMapping.mappingLen);
super::free();
}
void IOEthernetInterface::free()
{
if ( _requiredFilters )
{
_requiredFilters->release();
_requiredFilters = 0;
}
if ( _activeFilters )
{
_activeFilters->release();
_activeFilters = 0;
}
if ( _supportedFilters )
{
_supportedFilters->release();
_supportedFilters = 0;
}
if ( _inputEventThreadCall )
{
thread_call_free( _inputEventThreadCall );
_inputEventThreadCall = 0;
}
if ( _reserved )
{
if (kIOPMUndefinedDriverAssertionID != _wompEnabledAssertionID)
{
getPMRootDomain()->releasePMAssertion(_wompEnabledAssertionID);
_wompEnabledAssertionID = kIOPMUndefinedDriverAssertionID;
}
if (_disabledWakeFilters)
{
_disabledWakeFilters->release();
_disabledWakeFilters = 0;
}
IODelete( _reserved, ExpansionData, 1 );
_reserved = 0;
}
super::free();
}
IORecursiveLock * IORecursiveLockAlloc( void )
{
_IORecursiveLock * lock;
lock = IONew( _IORecursiveLock, 1);
if( !lock)
return( 0 );
lock->mutex = mutex_alloc(ETAP_IO_AHA);
if( lock->mutex) {
lock->thread = 0;
lock->count = 0;
} else {
IODelete( lock, _IORecursiveLock, 1);
lock = 0;
}
return( (IORecursiveLock *) lock );
}
void net_habitue_device_SC101::handleResolvePacket(sockaddr_in *addr, mbuf_t m, size_t len, outstanding *out, void *ctx)
{
clock_get_uptime(&_lastReply);
if (mbuf_len(m) < out->len &&
mbuf_pullup(&m, out->len) != 0)
{
KINFO("pullup failed");
return;
}
KDEBUG("resolve succeeded!");
psan_resolve_response_t *res = (psan_resolve_response_t *)mbuf_data(m);
sockaddr_in part;
bzero(&part, sizeof(part));
part.sin_len = sizeof(part);
part.sin_family = AF_INET;
part.sin_port = htons(PSAN_PORT);
part.sin_addr = res->ip4;
OSData *partData = OSData::withBytes(&part, sizeof(part));
if (partData)
{
setProperty(gSC101DevicePartitionAddressKey, partData);
partData->release();
}
OSData *rootData = OSData::withBytes(addr, sizeof(*addr));
if (rootData)
{
setProperty(gSC101DeviceRootAddressKey, rootData);
rootData->release();
}
IODelete(out, outstanding, 1);
mbuf_freem(m);
if (!getProperty(gSC101DeviceSizeKey))
disk();
}
void RadeonController::free( void ) {
ScrnInfoPtr pScrn = xf86Screens[0];
if (pScrn) {
IODelete(pScrn, ScrnInfoRec, 1);
xf86Screens[0] = NULL;
}
#ifdef DEBUG
DumpMsg.client--;
if (DumpMsg.client == 0) {
DumpMsg.mMsgBufferEnabled = false;
if (DumpMsg.mMsgBuffer) {
IOFree(DumpMsg.mMsgBuffer, DumpMsg.mMsgBufferSize);
DumpMsg.mMsgBuffer = NULL;
}
if (DumpMsg.mMessageLock) {
IOLockLock(DumpMsg.mMessageLock);
IOLockFree(DumpMsg.mMessageLock);
DumpMsg.mMessageLock = NULL;
}
getRegistryRoot()->removeProperty("RadeonDumpReady");
}
#endif
int i;
for (i = 0;i < 2;i++) {
if (options.EDID_Block[i]) {
IOFree(options.EDID_Block[i], options.EDID_Length[i]);
options.EDID_Block[i] = NULL;
}
}
if (memoryMap.BIOSCopy) {
IOFree(memoryMap.BIOSCopy, memoryMap.BIOSLength);
memoryMap.BIOSCopy = NULL;
}
if (IOMap) IOMap->release();
if (FBMap) FBMap->release();
super::free();
}
/*
* free:
*
* Free resources
*/
void IOBufferMemoryDescriptor::free()
{
// Cache all of the relevant information on the stack for use
// after we call super::free()!
IOOptionBits options = _options;
vm_size_t size = _capacity;
void * buffer = _buffer;
vm_map_t map = 0;
vm_offset_t alignment = _alignment;
if (reserved)
{
map = reserved->map;
IODelete( reserved, ExpansionData, 1 );
}
/* super::free may unwire - deallocate buffer afterwards */
super::free();
if (buffer)
{
if (options & kIOMemoryPageable)
{
if (map)
vm_deallocate(map, (vm_address_t) buffer, round_page_32(size));
else
IOFreePageable(buffer, size);
}
else
{
if (options & kIOMemoryPhysicallyContiguous)
IOFreeContiguous(buffer, size);
else if (alignment > 1)
IOFreeAligned(buffer, size);
else
IOFree(buffer, size);
}
}
if (map)
vm_map_deallocate(map);
}
void net_habitue_device_SC101::handleAsyncIOPacket(sockaddr_in *addr, mbuf_t m, size_t len, outstanding *out, void *ctx)
{
clock_get_uptime(&_lastReply);
outstanding_io *io = (outstanding_io *)ctx;
bool isWrite = (io->buffer->getDirection() == kIODirectionOut);
UInt32 ioLen = (io->nblks * SECTOR_SIZE);
IOStorageCompletion completion = io->completion;
IOReturn status = kIOReturnError;
IOByteCount wrote = ioLen;
if (isWrite)
{
//KDEBUG("%p write %d %d", io, io->block, io->nblks);
status = kIOReturnSuccess;
}
else
{
//KDEBUG("%p read %d %d", io, io->block, io->nblks);
if (mbuf_buffer(io->buffer, 0, m, sizeof(psan_get_response_t), ioLen))
status = kIOReturnSuccess;
else
KINFO("mbuf_buffer failed");
}
if (status != kIOReturnSuccess)
KINFO("%p FAILED", io);
completeIO(io);
io->addr->release();
IODelete(io, outstanding_io, 1);
mbuf_freem(m);
IOStorage::complete(completion, status, wrote);
}
// allocate element at index
bool IORangeAllocator::allocElement( UInt32 index )
{
UInt32 newCapacity;
IORangeAllocatorElement * newElements;
if( ((numElements == capacity) && capacityIncrement)
|| (!elements)) {
newCapacity = capacity + capacityIncrement;
newElements = IONew( IORangeAllocatorElement, newCapacity );
if( !newElements)
return( false );
if( elements) {
bcopy( elements,
newElements,
index * sizeof( IORangeAllocatorElement));
bcopy( elements + index,
newElements + index + 1,
(numElements - index) * sizeof( IORangeAllocatorElement));
IODelete( elements, IORangeAllocatorElement, capacity );
}
elements = newElements;
capacity = newCapacity;
} else {
bcopy( elements + index,
elements + index + 1,
(numElements - index) * sizeof( IORangeAllocatorElement));
}
numElements++;
return( true );
}
