IOReturn BrcmPatchRAM::bulkWrite(const void* data, UInt16 length)
{
IOReturn result;
if (IOMemoryDescriptor* buffer = IOMemoryDescriptor::withAddress((void*)data, length, kIODirectionIn))
{
if ((result = buffer->prepare()) == kIOReturnSuccess)
{
if ((result = mBulkPipe->Write(buffer, 0, 0, buffer->getLength(), (IOUSBCompletion*)NULL)) == kIOReturnSuccess)
{
//DEBUG_LOG("%s: Wrote %d bytes to bulk pipe.\n", getName(), length);
}
else
AlwaysLog("[%04x:%04x]: Failed to write to bulk pipe (\"%s\" 0x%08x).\n", mVendorId, mProductId, stringFromReturn(result), result);
}
else
AlwaysLog("[%04x:%04x]: Failed to prepare bulk write memory buffer (\"%s\" 0x%08x).\n", mVendorId, mProductId, stringFromReturn(result), result);
if ((result = buffer->complete()) != kIOReturnSuccess)
AlwaysLog("[%04x:%04x]: Failed to complete bulk write memory buffer (\"%s\" 0x%08x).\n", mVendorId, mProductId, stringFromReturn(result), result);
buffer->release();
}
else
{
AlwaysLog("[%04x:%04x]: Unable to allocate bulk write buffer.\n", mVendorId, mProductId);
result = kIOReturnNoMemory;
}
return result;
}
bool BrcmPatchRAM::publishResourcePersonality(const char* classname)
{
// matching dictionary for disabled BrcmFirmwareStore
OSDictionary* dict = OSDictionary::withCapacity(3);
if (!dict) return false;
setStringInDict(dict, kIOProviderClassKey, "disabled_IOResources");
setStringInDict(dict, kIOClassKey, classname);
setStringInDict(dict, kIOMatchCategoryKey, classname);
// retrieve currently matching IOKit driver personalities
OSDictionary* personality = NULL;
SInt32 generationCount;
if (OSOrderedSet* set = gIOCatalogue->findDrivers(dict, &generationCount))
{
if (set->getCount())
DebugLog("%d matching driver personalities for %s.\n", set->getCount(), classname);
// should be only one, so we can grab just the first
if (OSCollectionIterator* iterator = OSCollectionIterator::withCollection(set))
{
personality = OSDynamicCast(OSDictionary, iterator->getNextObject());
iterator->release();
}
set->release();
}
// if we don't find it, then something is really wrong...
if (!personality)
{
AlwaysLog("unable to find disabled %s personality.\n", classname);
dict->release();
return false;
}
// make copy of personality *before* removing from IOcatalog
personality = OSDynamicCast(OSDictionary, personality->copyCollection());
if (!personality)
{
AlwaysLog("copyCollection failed.");
return false;
}
// unpublish disabled personality
gIOCatalogue->removeDrivers(dict, false); // no nub matching on removal
dict->release();
// Add new personality into the kernel
if (OSArray* array = OSArray::withCapacity(1))
{
// change from disabled_IOResources to IOResources
setStringInDict(personality, kIOProviderClassKey, "IOResources");
array->setObject(personality);
if (gIOCatalogue->addDrivers(array, true))
AlwaysLog("Published new IOKit personality for %s.\n", classname);
else
AlwaysLog("ERROR in addDrivers for new %s personality.\n", classname);
array->release();
}
personality->release();
return true;
}
bool BatteryTracker::start(IOService* provider)
{
DebugLog("BatteryTracker::start: entering start\n");
if (!IOService::start(provider))
{
AlwaysLog("BatteryTracker: IOService::start failed!\n");
return false;
}
IOWorkLoop* workLoop = getWorkLoop();
if (!workLoop)
{
AlwaysLog("BatteryTracker: getWorkLoop failed\n");
return false;
}
m_pCmdGate = IOCommandGate::commandGate(this);
if (!m_pCmdGate)
{
AlwaysLog("BatteryTracker: IOCommandGate::commmandGate failed\n");
return false;
}
workLoop->addEventSource(m_pCmdGate);
DebugLog("starting BatteryTracker.\n");
m_pBatteryList = OSArray::withCapacity(2);
m_pLock = IORecursiveLockAlloc();
registerService();
return true;
}
void BrcmPatchRAM::printPersonalities()
{
// Matching dictionary for the current device
OSDictionary* dict = OSDictionary::withCapacity(5);
if (!dict) return;
setStringInDict(dict, kIOProviderClassKey, kIOUSBDeviceClassName);
setNumberInDict(dict, kUSBProductID, mProductId);
setNumberInDict(dict, kUSBVendorID, mVendorId);
SInt32 generatonCount;
if (OSOrderedSet* set = gIOCatalogue->findDrivers(dict, &generatonCount))
{
AlwaysLog("[%04x:%04x]: %d matching driver personalities.\n", mVendorId, mProductId, set->getCount());
if (OSCollectionIterator* iterator = OSCollectionIterator::withCollection(set))
{
while (OSDictionary* personality = static_cast<OSDictionary*>(iterator->getNextObject()))
{
OSString* bundleId = OSDynamicCast(OSString, personality->getObject(kBundleIdentifier));
AlwaysLog("[%04x:%04x]: existing IOKit personality \"%s\".\n", mVendorId, mProductId, bundleId->getCStringNoCopy());
}
iterator->release();
}
set->release();
}
dict->release();
}
void BrcmPatchRAM::publishPersonality()
{
// Matching dictionary for the current device
OSDictionary* dict = OSDictionary::withCapacity(5);
if (!dict) return;
setStringInDict(dict, kIOProviderClassKey, kIOUSBDeviceClassName);
setNumberInDict(dict, kUSBProductID, mProductId);
setNumberInDict(dict, kUSBVendorID, mVendorId);
// Retrieve currently matching IOKit driver personalities
OSDictionary* personality = NULL;
SInt32 generationCount;
if (OSOrderedSet* set = gIOCatalogue->findDrivers(dict, &generationCount))
{
if (set->getCount())
DebugLog("[%04x:%04x]: %d matching driver personalities.\n", mVendorId, mProductId, set->getCount());
if (OSCollectionIterator* iterator = OSCollectionIterator::withCollection(set))
{
while ((personality = OSDynamicCast(OSDictionary, iterator->getNextObject())))
{
if (OSString* bundleId = OSDynamicCast(OSString, personality->getObject(kBundleIdentifier)))
if (strncmp(bundleId->getCStringNoCopy(), kAppleBundlePrefix, strlen(kAppleBundlePrefix)) == 0)
{
AlwaysLog("[%04x:%04x]: Found existing IOKit personality \"%s\".\n", mVendorId, mProductId, bundleId->getCStringNoCopy());
break;
}
}
iterator->release();
}
set->release();
}
if (!personality && brcmBundleIdentifier)
{
// OS X does not have a driver personality for this device yet, publish one
DebugLog("brcmBundIdentifier: \"%s\"\n", brcmBundleIdentifier->getCStringNoCopy());
DebugLog("brcmIOClass: \"%s\"\n", brcmIOClass->getCStringNoCopy());
dict->setObject(kBundleIdentifier, brcmBundleIdentifier);
dict->setObject(kIOClassKey, brcmIOClass);
// Add new personality into the kernel
if (OSArray* array = OSArray::withCapacity(1))
{
array->setObject(dict);
if (gIOCatalogue->addDrivers(array, true))
AlwaysLog("[%04x:%04x]: Published new IOKit personality.\n", mVendorId, mProductId);
else
AlwaysLog("[%04x:%04x]: ERROR in addDrivers for new IOKit personality.\n", mVendorId, mProductId);
array->release();
}
}
dict->release();
#ifdef DEBUG
printPersonalities();
#endif
}
void BrcmPatchRAM::uploadFirmware()
{
// signal to timer that firmware already loaded
mDevice.setProperty(kFirmwareLoaded, true);
// don't bother with devices that have no firmware
if (!getProperty(kFirmwareKey))
return;
if (!mDevice.open(this))
{
AlwaysLog("uploadFirmware could not open the device!\n");
return;
}
//REVIEW: this block to avoid merge conflicts (remove once merged)
////if (mDevice.open(this))
{
// Print out additional device information
printDeviceInfo();
// Set device configuration to composite configuration index 0
// Obtain first interface
if (setConfiguration(0) && findInterface(&mInterface) && mInterface.open(this))
{
DebugLog("set configuration and interface opened\n");
mInterface.findPipe(&mInterruptPipe, kUSBInterrupt, kUSBIn);
mInterface.findPipe(&mBulkPipe, kUSBBulk, kUSBOut);
if (mInterruptPipe.getValidatedPipe() && mBulkPipe.getValidatedPipe())
{
DebugLog("got pipes\n");
if (performUpgrade())
if (mDeviceState == kUpdateComplete)
AlwaysLog("[%04x:%04x]: Firmware upgrade completed successfully.\n", mVendorId, mProductId);
else
AlwaysLog("[%04x:%04x]: Firmware upgrade not needed.\n", mVendorId, mProductId);
else
AlwaysLog("[%04x:%04x]: Firmware upgrade failed.\n", mVendorId, mProductId);
OSSafeReleaseNULL(mReadBuffer); // mReadBuffer is allocated by performUpgrade but not released
}
mInterface.close(this);
}
// cleanup
if (mInterruptPipe.getValidatedPipe())
{
mInterruptPipe.abort();
mInterruptPipe.setPipe(NULL);
}
if (mBulkPipe.getValidatedPipe())
{
mBulkPipe.abort();
mBulkPipe.setPipe(NULL);
}
mInterface.setInterface(NULL);
mDevice.close(this);
}
}
void BrcmPatchRAM::initBrcmStrings()
{
if (!brcmBundleIdentifier)
{
const char* bundle = NULL;
const char* ioclass = NULL;
const char* providerclass = kIOUSBDeviceClassName;
// OS X - Snow Leopard
// OS X - Lion
if (version_major == 10 || version_major == 11)
{
bundle = "com.apple.driver.BroadcomUSBBluetoothHCIController";
ioclass = "BroadcomUSBBluetoothHCIController";
}
// OS X - Mountain Lion (12.0 until 12.4)
else if (version_major == 12 && version_minor <= 4)
{
bundle = "com.apple.iokit.BroadcomBluetoothHCIControllerUSBTransport";
ioclass = "BroadcomBluetoothHCIControllerUSBTransport";
}
// OS X - Mountain Lion (12.5.0)
// OS X - Mavericks
// OS X - Yosemite
else if (version_major == 12 || version_major == 13 || version_major == 14)
{
bundle = "com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport";
ioclass = "BroadcomBluetoothHostControllerUSBTransport";
}
// OS X - El Capitan
else if (version_major == 15)
{
bundle = "com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport";
ioclass = "BroadcomBluetoothHostControllerUSBTransport";
providerclass = kIOUSBHostDeviceClassName;
}
// OS X - Future releases....
else if (version_major > 15)
{
AlwaysLog("Unknown new Darwin version %d.%d, using possible compatible personality.\n", version_major, version_minor);
bundle = "com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport";
ioclass = "BroadcomBluetoothHostControllerUSBTransport";
providerclass = kIOUSBHostDeviceClassName;
}
else
{
AlwaysLog("Unknown Darwin version %d.%d, no compatible personality known.\n", version_major, version_minor);
}
brcmBundleIdentifier = OSString::withCStringNoCopy(bundle);
brcmIOClass = OSString::withCStringNoCopy(ioclass);
brcmProviderClass = OSString::withCStringNoCopy(providerclass);
}
}
bool BrcmPatchRAM::setConfiguration(int configurationIndex)
{
IOReturn result;
const IOUSBConfigurationDescriptor* configurationDescriptor;
UInt8 currentConfiguration = 0xFF;
// Find the first config/interface
UInt8 numconf = 0;
if ((numconf = mDevice->GetNumConfigurations()) < (configurationIndex + 1))
{
AlwaysLog("[%04x:%04x]: Composite configuration index %d is not available, %d total composite configurations.\n",
mVendorId, mProductId, configurationIndex, numconf);
return false;
}
else
DebugLog("[%04x:%04x]: Available composite configurations: %d.\n", mVendorId, mProductId, numconf);
configurationDescriptor = mDevice->GetFullConfigurationDescriptor(configurationIndex);
// Set the configuration to the requested configuration index
if (!configurationDescriptor)
{
AlwaysLog("[%04x:%04x]: No configuration descriptor for configuration index: %d.\n", mVendorId, mProductId, configurationIndex);
return false;
}
if ((result = mDevice->GetConfiguration(¤tConfiguration)) != kIOReturnSuccess)
{
AlwaysLog("[%04x:%04x]: Unable to retrieve active configuration (\"%s\" 0x%08x).\n", mVendorId, mProductId, stringFromReturn(result), result);
return false;
}
// Device is already configured
if (currentConfiguration != 0)
{
DebugLog("[%04x:%04x]: Device configuration is already set to configuration index %d.\n",
mVendorId, mProductId, configurationIndex);
return true;
}
// Set the configuration to the first configuration
if ((result = mDevice->SetConfiguration(this, configurationDescriptor->bConfigurationValue, true)) != kIOReturnSuccess)
{
AlwaysLog("[%04x:%04x]: Unable to (re-)configure device (\"%s\" 0x%08x).\n", mVendorId, mProductId, stringFromReturn(result), result);
return false;
}
DebugLog("[%04x:%04x]: Set device configuration to configuration index %d successfully.\n",
mVendorId, mProductId, configurationIndex);
return true;
}
IOService* BrcmPatchRAM::probe(IOService *provider, SInt32 *probeScore)
{
extern kmod_info_t kmod_info;
uint64_t start_time, end_time, nano_secs;
DebugLog("probe\n");
AlwaysLog("Version %s starting on OS X Darwin %d.%d.\n", kmod_info.version, version_major, version_minor);
clock_get_uptime(&start_time);
mWorkLock = IOLockAlloc();
if (!mWorkLock)
return NULL;
mCompletionLock = IOLockAlloc();
if (!mCompletionLock)
return NULL;
mDevice = OSDynamicCast(IOUSBDevice, provider);
if (!mDevice)
{
AlwaysLog("Provider is not a USB device.\n");
return NULL;
}
mDevice->retain();
initBrcmStrings();
OSString* displayName = OSDynamicCast(OSString, getProperty(kDisplayName));
if (displayName)
provider->setProperty(kUSBProductString, displayName);
mVendorId = mDevice->GetVendorID();
mProductId = mDevice->GetProductID();
// get firmware here to pre-cache for eventual use on wakeup or now
if (BrcmFirmwareStore* firmwareStore = getFirmwareStore())
firmwareStore->getFirmware(OSDynamicCast(OSString, getProperty(kFirmwareKey)));
uploadFirmware();
publishPersonality();
clock_get_uptime(&end_time);
absolutetime_to_nanoseconds(end_time - start_time, &nano_secs);
uint64_t milli_secs = nano_secs / 1000000;
AlwaysLog("Processing time %llu.%llu seconds.\n", milli_secs / 1000, milli_secs % 1000);
return this;
}
bool FakePCIID::init(OSDictionary *propTable)
{
DebugLog("FakePCIID::init() %p\n", this);
// announce version
IOLog("FakePCIID: Version %s starting on OS X Darwin %d.%d.\n", kmod_info.version, version_major, version_minor);
bool ret = super::init(propTable);
if (!ret)
{
AlwaysLog("super::init returned false\n");
return false;
}
// place version/build info in ioreg properties RM,Build and RM,Version
char buf[128];
snprintf(buf, sizeof(buf), "%s %s", kmod_info.name, kmod_info.version);
setProperty("RM,Version", buf);
#ifdef DEBUG
setProperty("RM,Build", "Debug-" LOGNAME);
#else
setProperty("RM,Build", "Release-" LOGNAME);
#endif
// capture vtable pointer for PCIDeviceStub
PCIDeviceStub *stub = OSTypeAlloc(PCIDeviceStub);
mStubVtable = getVTable(stub);
stub->release();
mDeviceVtable = NULL;
mProvider = NULL;
return true;
}
bool FakePCIID::hookProvider(IOService *provider)
{
if (mDeviceVtable)
return true; // already hooked
IOPCIDevice *device = OSDynamicCast(IOPCIDevice, provider);
if (!device)
{
AlwaysLog("provider is not a IOPCIDevice: %s\n", provider->getMetaClass()->getClassName());
return false;
}
// merge FakeProperties into the provider (only properties that do not exist)
mergeFakeProperties(provider, "FakeProperties", false);
mergeFakeProperties(provider, "FakeProperties-Forced", true);
// hook provider IOPCIDevice vtable on attach/start
mProvider = device;
device->retain();
mDeviceVtable = getVTable(device);
setVTable(device, mStubVtable);
return true;
}
bool USBInterfaceShim::open(IOService *forClient, IOOptionBits options, void *arg)
{
bool result = m_pInterface->open(forClient, options, arg);
if (!result)
AlwaysLog("USBInterfaceShim:open failed\n");
return result;
}
IOReturn BrcmPatchRAM::setPowerState(unsigned long which, IOService *whom)
{
DebugLog("setPowerState: which = 0x%lx\n", which);
if (which == kMyOffPowerState)
{
// consider firmware no longer loaded
mDevice->removeProperty(kFirmwareLoaded);
// in the case the instance is shutting down, don't do anything
if (mFirmwareStore)
{
// unload native bluetooth driver
IOReturn result = gIOCatalogue->terminateDriversForModule(brcmBundleIdentifier, false);
if (result != kIOReturnSuccess)
AlwaysLog("[%04x:%04x]: failure terminating native Broadcom bluetooth (%08x)\n", mVendorId, mProductId, result);
else
DebugLog("[%04x:%04x]: success terminating native Broadcom bluetooth\n", mVendorId, mProductId);
// unpublish native bluetooth personality
removePersonality();
}
}
else if (which == kMyOnPowerState)
{
clock_get_uptime(&wake_time);
// start loading firmware for case probe is never called after wake
if (!mDevice->getProperty(kFirmwareLoaded))
mTimer->setTimeoutMS(400); // longest time seen in normal re-probe was ~200ms
}
return IOPMAckImplied;
}
IOUSBInterface* BrcmPatchRAM::findInterface()
{
// Find the interface for bulk endpoint transfers
IOUSBFindInterfaceRequest request;
request.bAlternateSetting = kIOUSBFindInterfaceDontCare;
request.bInterfaceClass = kIOUSBFindInterfaceDontCare;
request.bInterfaceSubClass = kIOUSBFindInterfaceDontCare;
request.bInterfaceProtocol = kIOUSBFindInterfaceDontCare;
if (IOUSBInterface* interface = mDevice->FindNextInterface(NULL, &request))
{
interface->retain();
DebugLog("[%04x:%04x]: Interface %d (class %02x, subclass %02x, protocol %02x) located.\n",
mVendorId,
mProductId,
interface->GetInterfaceNumber(),
interface->GetInterfaceClass(),
interface->GetInterfaceSubClass(),
interface->GetInterfaceProtocol());
return interface;
}
AlwaysLog("[%04x:%04x]: No interface could be located.\n", mVendorId, mProductId);
return NULL;
}
void BrcmPatchRAM::processWorkQueue(IOInterruptEventSource*, int)
{
IOLockLock(mWorkLock);
// start firmware loading process in a non-workloop thread
if (mWorkPending & kWorkLoadFirmware)
{
DebugLog("_workPending kWorkLoadFirmare\n");
mWorkPending &= ~kWorkLoadFirmware;
retain();
kern_return_t result = kernel_thread_start(&BrcmPatchRAM::uploadFirmwareThread, this, &mWorker);
if (KERN_SUCCESS == result)
DebugLog("Success creating firmware uploader thread\n");
else
{
AlwaysLog("ERROR creating firmware uploader thread.\n");
release();
}
}
// firmware loading thread is finished
if (mWorkPending & kWorkFinished)
{
DebugLog("_workPending kWorkFinished\n");
mWorkPending &= ~kWorkFinished;
thread_deallocate(mWorker);
mWorker = 0;
release(); // matching retain when thread created successfully
}
IOLockUnlock(mWorkLock);
}
void BrcmPatchRAM::uploadFirmware()
{
// get firmware here to pre-cache for eventual use on wakeup or now
BrcmFirmwareStore* firmwareStore = getFirmwareStore();
OSArray* instructions = NULL;
if (!firmwareStore || !firmwareStore->getFirmware(OSDynamicCast(OSString, getProperty(kFirmwareKey))))
return;
if (mDevice->open(this))
{
// Print out additional device information
printDeviceInfo();
// Set device configuration to composite configuration index 0
// Obtain first interface
if (setConfiguration(0) && (mInterface = findInterface()) && mInterface->open(this))
{
mInterruptPipe = findPipe(kUSBInterrupt, kUSBIn);
mBulkPipe = findPipe(kUSBBulk, kUSBOut);
if (mInterruptPipe && mBulkPipe)
{
if (performUpgrade())
AlwaysLog("[%04x:%04x]: Firmware upgrade completed successfully.\n", mVendorId, mProductId);
else
AlwaysLog("[%04x:%04x]: Firmware upgrade failed.\n", mVendorId, mProductId);
OSSafeReleaseNULL(mReadBuffer); // mReadBuffer is allocated by performUpgrade but not released
}
mInterface->close(this);
}
// cleanup
if (mInterruptPipe)
{
mInterruptPipe->Abort();
mInterruptPipe->release(); // retained in findPipe
mInterruptPipe = NULL;
}
if (mBulkPipe)
{
mBulkPipe->Abort();
mBulkPipe->release(); // retained in findPipe
mBulkPipe = NULL;
}
OSSafeReleaseNULL(mInterface);// retained in findInterface
mDevice->close(this);
}
}
IOReturn BrcmPatchRAM::hciCommand(void * command, UInt16 length)
{
IOReturn result;
if ((result = mInterface.hciCommand(command, length)) != kIOReturnSuccess)
AlwaysLog("[%04x:%04x]: device request failed (\"%s\" 0x%08x).\n", mVendorId, mProductId, stringFromReturn(result), result);
return result;
}
void BrcmPatchRAM::readCompletion(void* target, void* parameter, IOReturn status, uint32_t bytesTransferred)
#endif
{
BrcmPatchRAM *me = (BrcmPatchRAM*)target;
IOLockLock(me->mCompletionLock);
IOReturn result = me->mReadBuffer->complete();
if (result != kIOReturnSuccess)
DebugLog("[%04x:%04x]: ReadCompletion failed to complete read buffer (\"%s\" 0x%08x).\n", me->mVendorId, me->mProductId, me->stringFromReturn(result), result);
switch (status)
{
case kIOReturnSuccess:
#ifndef TARGET_ELCAPITAN
me->hciParseResponse(me->mReadBuffer->getBytesNoCopy(), me->mReadBuffer->getLength() - bufferSizeRemaining, NULL, NULL);
#else
me->hciParseResponse(me->mReadBuffer->getBytesNoCopy(), bytesTransferred, NULL, NULL);
#endif
break;
case kIOReturnAborted:
AlwaysLog("[%04x:%04x]: readCompletion - Return aborted (0x%08x)\n", me->mVendorId, me->mProductId, status);
me->mDeviceState = kUpdateAborted;
break;
case kIOReturnNoDevice:
AlwaysLog("[%04x:%04x]: readCompletion - No such device (0x%08x)\n", me->mVendorId, me->mProductId, status);
me->mDeviceState = kUpdateAborted;
break;
case kIOUSBTransactionTimeout:
AlwaysLog("[%04x:%04x]: readCompletion - Transaction timeout (0x%08x)\n", me->mVendorId, me->mProductId, status);
break;
case kIOReturnNotResponding:
AlwaysLog("[%04x:%04x]: Not responding - Delaying next read.\n", me->mVendorId, me->mProductId);
me->mInterruptPipe.clearStall();
break;
default:
AlwaysLog("[%04x:%04x]: readCompletion - Unknown error (0x%08x)\n", me->mVendorId, me->mProductId, status);
me->mDeviceState = kUpdateAborted;
break;
}
IOLockUnlock(me->mCompletionLock);
// wake waiting task in performUpgrade (in IOLockSleep)...
IOLockWakeup(me->mCompletionLock, me, true);
}
bool BrcmPatchRAM::continuousRead()
{
if (!mReadBuffer)
{
mReadBuffer = IOBufferMemoryDescriptor::inTaskWithOptions(kernel_task, 0, 0x200);
if (!mReadBuffer)
{
AlwaysLog("[%04x:%04x]: continuousRead - failed to allocate read buffer.\n", mVendorId, mProductId);
return false;
}
#ifndef TARGET_ELCAPITAN
mInterruptCompletion.target = this;
#else
mInterruptCompletion.owner = this;
#endif
mInterruptCompletion.action = readCompletion;
mInterruptCompletion.parameter = NULL;
}
IOReturn result = mReadBuffer->prepare();
if (result != kIOReturnSuccess)
{
AlwaysLog("[%04x:%04x]: continuousRead - failed to prepare buffer (0x%08x)\n", mVendorId, mProductId, result);
return false;
}
if ((result = mInterruptPipe.read(mReadBuffer, 0, 0, mReadBuffer->getLength(), &mInterruptCompletion)) != kIOReturnSuccess)
{
AlwaysLog("[%04x:%04x]: continuousRead - Failed to queue read (0x%08x)\n", mVendorId, mProductId, result);
if (result == kIOUSBPipeStalled)
{
mInterruptPipe.clearStall();
result = mInterruptPipe.read(mReadBuffer, 0, 0, mReadBuffer->getLength(), &mInterruptCompletion);
if (result != kIOReturnSuccess)
{
AlwaysLog("[%04x:%04x]: continuousRead - Failed, read dead (0x%08x)\n", mVendorId, mProductId, result);
return false;
}
}
}
return true;
}
void BrcmPatchRAM::uploadFirmware()
{
// signal to timer that firmware already loaded
mDevice->setProperty(kFirmwareLoaded, true);
if (mDevice->open(this))
{
// Print out additional device information
printDeviceInfo();
// Set device configuration to composite configuration index 0
// Obtain first interface
if (setConfiguration(0) && (mInterface = findInterface()) && mInterface->open(this))
{
mInterruptPipe = findPipe(kUSBInterrupt, kUSBIn);
mBulkPipe = findPipe(kUSBBulk, kUSBOut);
if (mInterruptPipe && mBulkPipe)
{
if (performUpgrade())
AlwaysLog("[%04x:%04x]: Firmware upgrade completed successfully.\n", mVendorId, mProductId);
else
AlwaysLog("[%04x:%04x]: Firmware upgrade failed.\n", mVendorId, mProductId);
OSSafeReleaseNULL(mReadBuffer); // mReadBuffer is allocated by performUpgrade but not released
}
mInterface->close(this);
}
// cleanup
if (mInterruptPipe)
{
mInterruptPipe->Abort();
mInterruptPipe->release(); // retained in findPipe
mInterruptPipe = NULL;
}
if (mBulkPipe)
{
mBulkPipe->Abort();
mBulkPipe->release(); // retained in findPipe
mBulkPipe = NULL;
}
OSSafeReleaseNULL(mInterface);// retained in findInterface
mDevice->close(this);
}
}
BrcmFirmwareStore* BrcmPatchRAM::getFirmwareStore()
{
if (!mFirmwareStore)
mFirmwareStore = OSDynamicCast(BrcmFirmwareStore, waitForMatchingService(serviceMatching(kBrcmFirmwareStoreService), 2000UL*1000UL*1000UL));
if (!mFirmwareStore)
AlwaysLog("[%04x:%04x]: BrcmFirmwareStore does not appear to be available.\n", mVendorId, mProductId);
return mFirmwareStore;
}
bool NullEthernet::configureInterface(IONetworkInterface *interface)
{
char modelName[kNameLenght];
////IONetworkData *data;
bool result;
DebugLog("configureInterface() ===>\n");
result = super::configureInterface(interface);
if (!result)
goto done;
#if 0
/* Get the generic network statistics structure. */
data = interface->getParameter(kIONetworkStatsKey);
if (data) {
netStats = (IONetworkStats *)data->getBuffer();
if (!netStats) {
AlwaysLog("NullEthernet: Error getting IONetworkStats\n.");
result = false;
goto done;
}
}
/* Get the Ethernet statistics structure. */
data = interface->getParameter(kIOEthernetStatsKey);
if (data) {
etherStats = (IOEthernetStats *)data->getBuffer();
if (!etherStats) {
AlwaysLog("NullEthernet: Error getting IOEthernetStats\n.");
result = false;
goto done;
}
}
#endif
unitNumber = interface->getUnitNumber();
snprintf(modelName, kNameLenght, "NullEthernet ACPI NULE0000 Gigabit Ethernet");
setProperty("model", modelName);
DebugLog("configureInterface() <===\n");
done:
return result;
}
bool NullEthernet::start(IOService *provider)
{
DebugLog("start() ===>\n");
if (!super::start(provider))
{
AlwaysLog("NullEthernet: IOEthernetController::start failed.\n");
return false;
}
// retain provider...
m_pProvider = OSDynamicCast(IOService, provider);
if (!m_pProvider)
{
AlwaysLog("NullEthernet: No provider.\n");
return false;
}
m_pProvider->retain();
// initialize MAC address: priority is from DSDT, then provider, last is default
if (!initMACfromACPI() && !initMACfromProvider())
{
AlwaysLog("Using default MAC address: %02x:%02x:%02x:%02x:%02x:%02x\n", m_rgMacAddr[0], m_rgMacAddr[1], m_rgMacAddr[2], m_rgMacAddr[3], m_rgMacAddr[4], m_rgMacAddr[5]);
}
if (!attachInterface(reinterpret_cast<IONetworkInterface**>(&m_netif)))
{
AlwaysLog("NullEthernet: attachInterface() failed.\n");
goto error1;
}
AlwaysLog("NullEthernet: NullEthernet v1.0.0 starting.\n");
done:
DebugLog("start() <===\n");
return true;
error1:
OSSafeReleaseNULL(m_pProvider);
return false;
}
bool NullEthernet::initMACfromProvider()
{
bool result = false;
OSData* pData = OSDynamicCast(OSData, m_pProvider->getProperty("RM,MAC-address"));
if (pData && pData->getLength() == kIOEthernetAddressSize)
{
bcopy(pData->getBytesNoCopy(), m_rgMacAddr, kIOEthernetAddressSize);
AlwaysLog("Using MAC address from provider: %02x:%02x:%02x:%02x:%02x:%02x\n", m_rgMacAddr[0], m_rgMacAddr[1], m_rgMacAddr[2], m_rgMacAddr[3], m_rgMacAddr[4], m_rgMacAddr[5]);
result = true;
}
return result;
}
IOReturn BrcmPatchRAM::onTimerEvent()
{
DebugLog("onTimerEvent\n");
if (!mDevice->getProperty(kFirmwareLoaded))
{
AlwaysLog("BLURP!! no firmware loaded and timer expiried (no re-probe)\n");
scheduleWork(kWorkLoadFirmware);
}
return kIOReturnSuccess;
}
bool BrcmPatchRAM::resetDevice()
{
IOReturn result;
if ((result = mDevice->ResetDevice()) != kIOReturnSuccess)
{
AlwaysLog("[%04x:%04x]: Failed to reset the device (\"%s\" 0x%08x).\n", mVendorId, mProductId, stringFromReturn(result), result);
return false;
}
else
DebugLog("[%04x:%04x]: Device reset.\n", mVendorId, mProductId);
return true;
}
void BrcmPatchRAM::stop(IOService* provider)
{
uint64_t stop_time, nano_secs;
clock_get_uptime(&stop_time);
absolutetime_to_nanoseconds(stop_time - wake_time, &nano_secs);
uint64_t milli_secs = nano_secs / 1000000;
AlwaysLog("Time since wake %llu.%llu seconds.\n", milli_secs / 1000, milli_secs % 1000);
DebugLog("stop\n");
OSSafeReleaseNULL(mFirmwareStore);
IOWorkLoop* workLoop = getWorkLoop();
if (workLoop)
{
if (mTimer)
{
mTimer->cancelTimeout();
workLoop->removeEventSource(mTimer);
mTimer->release();
mTimer = NULL;
}
if (mWorkSource)
{
workLoop->removeEventSource(mWorkSource);
mWorkSource->release();
mWorkSource = NULL;
mWorkPending = 0;
}
}
PMstop();
if (mCompletionLock)
{
IOLockFree(mCompletionLock);
mCompletionLock = NULL;
}
if (mWorkLock)
{
IOLockFree(mWorkLock);
mWorkLock = NULL;
}
OSSafeReleaseNULL(mDevice);
super::stop(provider);
}
bool FakePCIID::start(IOService *provider)
{
DebugLog("FakePCIID::start() %p\n", this);
if (!super::start(provider))
{
AlwaysLog("super::start returned false\n");
return false;
}
if (!hookProvider(provider))
return false;
return true;
}
int BrcmPatchRAM::getDeviceStatus()
{
IOReturn result;
USBStatus status;
if ((result = mDevice->GetDeviceStatus(&status)) != kIOReturnSuccess)
{
AlwaysLog("[%04x:%04x]: Unable to get device status (\"%s\" 0x%08x).\n", mVendorId, mProductId, stringFromReturn(result), result);
return 0;
}
else
DebugLog("[%04x:%04x]: Device status 0x%08x.\n", mVendorId, mProductId, (int)status);
return (int)status;
}
BrcmFirmwareStore* BrcmPatchRAM::getFirmwareStore()
{
if (!mFirmwareStore)
{
// check to see if it already loaded
mFirmwareStore = OSDynamicCast(BrcmFirmwareStore, waitForMatchingService(serviceMatching(kBrcmFirmwareStoreService), 0));
if (!mFirmwareStore)
{
// not loaded, so publish personality...
publishResourcePersonality(kBrcmFirmwareStoreService);
// and wait...
mFirmwareStore = OSDynamicCast(BrcmFirmwareStore, waitForMatchingService(serviceMatching(kBrcmFirmwareStoreService), 2000UL*1000UL*1000UL));
}
#ifdef NON_RESIDENT
// also need BrcmPatchRAMResidency
IOService* residency = OSDynamicCast(BrcmPatchRAMResidency, waitForMatchingService(serviceMatching(kBrcmPatchRAMResidency), 0));
if (!residency)
{
// not loaded, so publish personality...
publishResourcePersonality(kBrcmPatchRAMResidency);
// and wait...
residency = OSDynamicCast(BrcmPatchRAMResidency, waitForMatchingService(serviceMatching(kBrcmPatchRAMResidency), 2000UL*1000UL*1000UL));
if (residency)
residency->release();
else
AlwaysLog("[%04x:%04x]: BrcmPatchRAMResidency does not appear to be available.\n", mVendorId, mProductId);
}
#endif
}
if (!mFirmwareStore)
AlwaysLog("[%04x:%04x]: BrcmFirmwareStore does not appear to be available.\n", mVendorId, mProductId);
return mFirmwareStore;
}