/**
* Register VBoxGuest char device
*/
static int vgdrvDarwinCharDevInit(void)
{
int rc = RTSpinlockCreate(&g_Spinlock, RTSPINLOCK_FLAGS_INTERRUPT_SAFE, "VBoxGuestDarwin");
if (RT_SUCCESS(rc))
{
/*
* Registering ourselves as a character device.
*/
g_iMajorDeviceNo = cdevsw_add(-1, &g_DevCW);
if (g_iMajorDeviceNo >= 0)
{
g_hDevFsDeviceSys = devfs_make_node(makedev(g_iMajorDeviceNo, 0), DEVFS_CHAR,
UID_ROOT, GID_WHEEL, 0666, DEVICE_NAME_SYS);
if (g_hDevFsDeviceSys != NULL)
{
/*
* Register a sleep/wakeup notification callback.
*/
g_pSleepNotifier = registerPrioritySleepWakeInterest(&vgdrvDarwinSleepHandler, &g_DevExt, NULL);
if (g_pSleepNotifier != NULL)
{
return KMOD_RETURN_SUCCESS;
}
}
}
vgdrvDarwinCharDevRemove();
}
return KMOD_RETURN_FAILURE;
}
bool AppleLM8x::start(IOService *provider)
{
mach_timespec_t WaitTimeOut;
OSData *t;
int *reg;
IOReturn status;
// Proper etiquette
if ( !(super::start(provider)) )
return false;
// Set flag to reflect non-restart state
systemIsRestarting = FALSE;
// Try and get the reg property
if ( !(t = OSDynamicCast(OSData, provider->getProperty("reg"))) )
{
IOLog( "AppleLM8x::start couldn't find 'reg' property in registry.\n");
return false;
}
// We have the reg property, lets make local copy
if ( !(reg = (int*)t->getBytesNoCopy()) )
{
IOLog( "AppleLM8x::start 'reg' property is present but empty.\n");
return false;
}
kLM8xBus = (UInt8)(*reg >> 8); // Determine I2C bus
kLM8xAddr = (UInt8)(*reg >> 1); // Determine true address of device
// Use a 30 second timeout when calling waitForService()
WaitTimeOut.tv_sec = 30;
WaitTimeOut.tv_nsec = 0;
// Create some symbols for later use
sOpenI2Cbus = OSSymbol::withCStringNoCopy(kOpenI2Cbus);
sCloseI2Cbus = OSSymbol::withCStringNoCopy(kCloseI2Cbus);
sSetPollingMode = OSSymbol::withCStringNoCopy(kSetPollingMode);
sSetStandardSubMode = OSSymbol::withCStringNoCopy(kSetStandardSubMode);
sSetCombinedMode = OSSymbol::withCStringNoCopy(kSetCombinedMode);
sWriteI2Cbus = OSSymbol::withCStringNoCopy(kWriteI2Cbus);
sReadI2Cbus = OSSymbol::withCStringNoCopy(kReadI2Cbus);
sGetSensorValueSym = OSSymbol::withCString("getSensorValue");
interface = OSDynamicCast(IOService, provider->getParentEntry(gIOServicePlane));
if(interface == NULL)
{
IOLog("AppleLM8x::start(0x%x) failed to get i2c interface\n", kLM8xAddr<<1);
return(false);
}
DLOG("AppleLM8x::start(0x%x) got i2c interface %s\n", kLM8xAddr<<1, interface->getName());
// Configure the LM87
if( initHW(provider) != kIOReturnSuccess )
{
IOLog("AppleLM8x::start(0x%x) failed to initialize sensor.\n", kLM8xAddr<<1);
return false;
}
// Save registers for PM
if ( saveRegisters() != kIOReturnSuccess )
IOLog("AppleLM8x::powerStateWillChangeTo(0x%x) failed to save registers.\n", kLM8xAddr<<1);
// Initialize Power Management superclass variables from IOService.h
PMinit();
// Register as controlling driver from IOService.h
status = registerPowerDriver( this, (IOPMPowerState *) ourPowerStates, kLM8xNumStates );
if (status != kIOReturnSuccess)
{
IOLog("%s: Failed to registerPowerDriver.\n", getName());
}
// Join the Power Management tree from IOService.h
provider->joinPMtree( this);
// Install power change handler (for restart notification)
registerPrioritySleepWakeInterest(&sysPowerDownHandler, this, 0);
// Register so others can find us with a waitForService()
registerService();
// Parse sensor properties and create nubs
publishChildren(provider);
return true;
}
/**
* Start the kernel module.
*/
static kern_return_t VBoxDrvDarwinStart(struct kmod_info *pKModInfo, void *pvData)
{
int rc;
#ifdef DEBUG
printf("VBoxDrvDarwinStart\n");
#endif
/*
* Initialize IPRT.
*/
rc = RTR0Init(0);
if (RT_SUCCESS(rc))
{
/*
* Initialize the device extension.
*/
rc = supdrvInitDevExt(&g_DevExt, sizeof(SUPDRVSESSION));
if (RT_SUCCESS(rc))
{
/*
* Initialize the session hash table.
*/
memset(g_apSessionHashTab, 0, sizeof(g_apSessionHashTab)); /* paranoia */
rc = RTSpinlockCreate(&g_Spinlock, RTSPINLOCK_FLAGS_INTERRUPT_SAFE, "VBoxDrvDarwin");
if (RT_SUCCESS(rc))
{
/*
* Registering ourselves as a character device.
*/
g_iMajorDeviceNo = cdevsw_add(-1, &g_DevCW);
if (g_iMajorDeviceNo >= 0)
{
#ifdef VBOX_WITH_HARDENING
g_hDevFsDeviceSys = devfs_make_node(makedev(g_iMajorDeviceNo, 0), DEVFS_CHAR,
UID_ROOT, GID_WHEEL, 0600, DEVICE_NAME_SYS);
#else
g_hDevFsDeviceSys = devfs_make_node(makedev(g_iMajorDeviceNo, 0), DEVFS_CHAR,
UID_ROOT, GID_WHEEL, 0666, DEVICE_NAME_SYS);
#endif
if (g_hDevFsDeviceSys)
{
g_hDevFsDeviceUsr = devfs_make_node(makedev(g_iMajorDeviceNo, 1), DEVFS_CHAR,
UID_ROOT, GID_WHEEL, 0666, DEVICE_NAME_USR);
if (g_hDevFsDeviceUsr)
{
LogRel(("VBoxDrv: version " VBOX_VERSION_STRING " r%d; IOCtl version %#x; IDC version %#x; dev major=%d\n",
VBOX_SVN_REV, SUPDRV_IOC_VERSION, SUPDRV_IDC_VERSION, g_iMajorDeviceNo));
/* Register a sleep/wakeup notification callback */
g_pSleepNotifier = registerPrioritySleepWakeInterest(&VBoxDrvDarwinSleepHandler, &g_DevExt, NULL);
if (g_pSleepNotifier == NULL)
LogRel(("VBoxDrv: register for sleep/wakeup events failed\n"));
/* Find kernel symbols that are kind of optional. */
vboxdrvDarwinResolveSymbols();
return KMOD_RETURN_SUCCESS;
}
LogRel(("VBoxDrv: devfs_make_node(makedev(%d,1),,,,%s) failed\n", g_iMajorDeviceNo, DEVICE_NAME_USR));
devfs_remove(g_hDevFsDeviceSys);
g_hDevFsDeviceSys = NULL;
}
else
LogRel(("VBoxDrv: devfs_make_node(makedev(%d,0),,,,%s) failed\n", g_iMajorDeviceNo, DEVICE_NAME_SYS));
cdevsw_remove(g_iMajorDeviceNo, &g_DevCW);
g_iMajorDeviceNo = -1;
}
else
LogRel(("VBoxDrv: cdevsw_add failed (%d)\n", g_iMajorDeviceNo));
RTSpinlockDestroy(g_Spinlock);
g_Spinlock = NIL_RTSPINLOCK;
}
else
LogRel(("VBoxDrv: RTSpinlockCreate failed (rc=%d)\n", rc));
supdrvDeleteDevExt(&g_DevExt);
}
else
printf("VBoxDrv: failed to initialize device extension (rc=%d)\n", rc);
RTR0TermForced();
}
else
printf("VBoxDrv: failed to initialize IPRT (rc=%d)\n", rc);
memset(&g_DevExt, 0, sizeof(g_DevExt));
return KMOD_RETURN_FAILURE;
}
