/**
* Unload the driver.
*
* @param pDrvObj Driver object.
*/
void _stdcall VBoxDrvNtUnload(PDRIVER_OBJECT pDrvObj)
{
PSUPDRVDEVEXT pDevExt = (PSUPDRVDEVEXT)pDrvObj->DeviceObject->DeviceExtension;
Log(("VBoxDrvNtUnload at irql %d\n", KeGetCurrentIrql()));
/* Clean up the power callback registration. */
if (pDevExt->hPowerCallback)
ExUnregisterCallback(pDevExt->hPowerCallback);
if (pDevExt->pObjPowerCallback)
ObDereferenceObject(pDevExt->pObjPowerCallback);
/*
* We ASSUME that it's not possible to unload a driver with open handles.
* Start by deleting the symbolic link
*/
UNICODE_STRING DosName;
RtlInitUnicodeString(&DosName, DEVICE_NAME_DOS);
NTSTATUS rc = IoDeleteSymbolicLink(&DosName);
/*
* Terminate the GIP page and delete the device extension.
*/
supdrvDeleteDevExt(pDevExt);
RTR0Term();
IoDeleteDevice(pDrvObj->DeviceObject);
}
/**
* 32-bit Ring-0 initialization.
*
* @returns 0 on success, non-zero on failure.
* @param pszArgs Pointer to the device arguments.
*/
DECLASM(int) VBoxDrvInit(const char *pszArgs)
{
/*
* Initialize the runtime.
*/
int rc = RTR0Init(0);
if (RT_SUCCESS(rc))
{
Log(("VBoxDrvInit: pszArgs=%s\n", pszArgs));
/*
* Initialize the device extension.
*/
rc = supdrvInitDevExt(&g_DevExt, sizeof(SUPDRVSESSION));
if (RT_SUCCESS(rc))
{
/*
* Initialize the session hash table.
*/
rc = RTSpinlockCreate(&g_Spinlock, RTSPINLOCK_FLAGS_INTERRUPT_SAFE, "VBoxDrvOS2");
if (RT_SUCCESS(rc))
{
/*
* Process the commandline. Later.
*/
bool fVerbose = true;
/*
* Success
*/
if (fVerbose)
{
strcpy(&g_szInitText[0],
"\r\n"
"VirtualBox.org Support Driver for OS/2 version " VBOX_VERSION_STRING "\r\n"
"Copyright (C) 2007 Knut St. Osmundsen\r\n"
"Copyright (C) 2007 Oracle Corporation\r\n");
g_cchInitText = strlen(&g_szInitText[0]);
}
return VINF_SUCCESS;
}
g_cchInitText = RTStrPrintf(&g_szInitText[0], g_cchInitTextMax, "VBoxDrv.sys: RTSpinlockCreate failed, rc=%Rrc\n", rc);
supdrvDeleteDevExt(&g_DevExt);
}
else
g_cchInitText = RTStrPrintf(&g_szInitText[0], g_cchInitTextMax, "VBoxDrv.sys: supdrvInitDevExt failed, rc=%Rrc\n", rc);
RTR0Term();
}
else
g_cchInitText = RTStrPrintf(&g_szInitText[0], g_cchInitTextMax, "VBoxDrv.sys: RTR0Init failed, rc=%Rrc\n", rc);
return rc;
}
/**
* Unload the module.
*/
static void __exit VBoxDrvLinuxUnload(void)
{
int rc;
Log(("VBoxDrvLinuxUnload\n"));
NOREF(rc);
#ifdef VBOX_WITH_SUSPEND_NOTIFICATION
platform_device_unregister(&gPlatformDevice);
platform_driver_unregister(&gPlatformDriver);
#endif
/*
* I Don't think it's possible to unload a driver which processes have
* opened, at least we'll blindly assume that here.
*/
#ifdef CONFIG_VBOXDRV_AS_MISC
rc = misc_deregister(&gMiscDeviceUsr);
if (rc < 0)
{
Log(("misc_deregister failed with rc=%#x on vboxdrvu\n", rc));
}
rc = misc_deregister(&gMiscDeviceSys);
if (rc < 0)
{
Log(("misc_deregister failed with rc=%#x on vboxdrv\n", rc));
}
#else /* !CONFIG_VBOXDRV_AS_MISC */
# ifdef CONFIG_DEVFS_FS
/*
* Unregister a device entry
*/
devfs_remove(DEVICE_NAME_USR);
devfs_remove(DEVICE_NAME_SYS);
# endif /* devfs */
unregister_chrdev(g_iModuleMajorUsr, DEVICE_NAME_USR);
unregister_chrdev(g_iModuleMajorSys, DEVICE_NAME_SYS);
#endif /* !CONFIG_VBOXDRV_AS_MISC */
/*
* Destroy GIP, delete the device extension and terminate IPRT.
*/
supdrvDeleteDevExt(&g_DevExt);
RTR0TermForced();
}
static int VBoxDrvFreeBSDLoad(void)
{
g_cUsers = 0;
/*
* Initialize the runtime.
*/
int rc = RTR0Init(0);
if (RT_SUCCESS(rc))
{
Log(("VBoxDrvFreeBSDLoad:\n"));
/*
* Initialize the device extension.
*/
rc = supdrvInitDevExt(&g_VBoxDrvFreeBSDDevExt, sizeof(SUPDRVSESSION));
if (RT_SUCCESS(rc))
{
/*
* Configure device cloning.
*/
clone_setup(&g_pVBoxDrvFreeBSDClones);
g_VBoxDrvFreeBSDEHTag = EVENTHANDLER_REGISTER(dev_clone, VBoxDrvFreeBSDClone, 0, 1000);
if (g_VBoxDrvFreeBSDEHTag)
{
Log(("VBoxDrvFreeBSDLoad: returns successfully\n"));
return VINF_SUCCESS;
}
printf("vboxdrv: EVENTHANDLER_REGISTER(dev_clone,,,) failed\n");
clone_cleanup(&g_pVBoxDrvFreeBSDClones);
rc = VERR_ALREADY_LOADED;
supdrvDeleteDevExt(&g_VBoxDrvFreeBSDDevExt);
}
else
printf("vboxdrv: supdrvInitDevExt failed, rc=%d\n", rc);
RTR0Term();
}
else
printf("vboxdrv: RTR0Init failed, rc=%d\n", rc);
return rc;
}
static int VBoxDrvFreeBSDUnload(void)
{
Log(("VBoxDrvFreeBSDUnload:\n"));
if (g_cUsers > 0)
return VERR_RESOURCE_BUSY;
/*
* Reserve what we did in VBoxDrvFreeBSDInit.
*/
destroy_dev(g_pVBoxDrvFreeBSDChrDevUsr);
destroy_dev(g_pVBoxDrvFreeBSDChrDevSys);
supdrvDeleteDevExt(&g_VBoxDrvFreeBSDDevExt);
RTR0TermForced();
memset(&g_VBoxDrvFreeBSDDevExt, 0, sizeof(g_VBoxDrvFreeBSDDevExt));
return VINF_SUCCESS;
}
/**
* Stop the kernel module.
*/
static kern_return_t VBoxDrvDarwinStop(struct kmod_info *pKModInfo, void *pvData)
{
int rc;
LogFlow(("VBoxDrvDarwinStop\n"));
/** @todo I've got a nagging feeling that we'll have to keep track of users and refuse
* unloading if we're busy. Investigate and implement this! */
/*
* Undo the work done during start (in reverse order).
*/
if (g_pSleepNotifier)
{
g_pSleepNotifier->remove();
g_pSleepNotifier = NULL;
}
devfs_remove(g_hDevFsDeviceUsr);
g_hDevFsDeviceUsr = NULL;
devfs_remove(g_hDevFsDeviceSys);
g_hDevFsDeviceSys = NULL;
rc = cdevsw_remove(g_iMajorDeviceNo, &g_DevCW);
Assert(rc == g_iMajorDeviceNo);
g_iMajorDeviceNo = -1;
supdrvDeleteDevExt(&g_DevExt);
rc = RTSpinlockDestroy(g_Spinlock);
AssertRC(rc);
g_Spinlock = NIL_RTSPINLOCK;
RTR0TermForced();
memset(&g_DevExt, 0, sizeof(g_DevExt));
#ifdef DEBUG
printf("VBoxDrvDarwinStop - done\n");
#endif
return KMOD_RETURN_SUCCESS;
}
/**
* Unload the driver.
*
* @param pDrvObj Driver object.
*/
void _stdcall VBoxDrvNtUnload(PDRIVER_OBJECT pDrvObj)
{
PSUPDRVDEVEXT pDevExt = (PSUPDRVDEVEXT)g_pDevObjSys->DeviceExtension;
Log(("VBoxDrvNtUnload at irql %d\n", KeGetCurrentIrql()));
/* Clean up the power callback registration. */
if (pDevExt->hPowerCallback)
ExUnregisterCallback(pDevExt->hPowerCallback);
if (pDevExt->pObjPowerCallback)
ObDereferenceObject(pDevExt->pObjPowerCallback);
/*
* We ASSUME that it's not possible to unload a driver with open handles.
*/
supdrvDeleteDevExt(pDevExt);
RTR0Term();
vboxdrvNtDestroyDevices();
NOREF(pDrvObj);
}
static int VBoxDrvFreeBSDUnload(void)
{
Log(("VBoxDrvFreeBSDUnload:\n"));
if (g_cUsers > 0)
return EBUSY;
/*
* Reserve what we did in VBoxDrvFreeBSDInit.
*/
EVENTHANDLER_DEREGISTER(dev_clone, g_VBoxDrvFreeBSDEHTag);
clone_cleanup(&g_pVBoxDrvFreeBSDClones);
supdrvDeleteDevExt(&g_VBoxDrvFreeBSDDevExt);
RTR0Term();
memset(&g_VBoxDrvFreeBSDDevExt, 0, sizeof(g_VBoxDrvFreeBSDDevExt));
Log(("VBoxDrvFreeBSDUnload: returns\n"));
return VINF_SUCCESS;
}
int _fini(void)
{
LogFlowFunc(("vboxdrv:_fini\n"));
/*
* Undo the work we did at start (in the reverse order).
*/
int rc = mod_remove(&g_VBoxDrvSolarisModLinkage);
if (rc != 0)
return rc;
supdrvDeleteDevExt(&g_DevExt);
rc = RTSpinlockDestroy(g_Spinlock);
AssertRC(rc);
g_Spinlock = NIL_RTSPINLOCK;
RTR0TermForced();
memset(&g_DevExt, 0, sizeof(g_DevExt));
ddi_soft_state_fini(&g_pVBoxDrvSolarisState);
return 0;
}
/**
* Kernel entry points
*/
int _init(void)
{
#if 0 /* No IPRT logging before RTR0Init() is done! */
LogFlowFunc(("vboxdrv:_init\n"));
#endif
/*
* Prevent module autounloading.
*/
modctl_t *pModCtl = mod_getctl(&g_VBoxDrvSolarisModLinkage);
if (pModCtl)
pModCtl->mod_loadflags |= MOD_NOAUTOUNLOAD;
else
cmn_err(CE_NOTE, "vboxdrv: failed to disable autounloading!\n");
/*
* Initialize IPRT R0 driver, which internally calls OS-specific r0 init.
*/
int rc = RTR0Init(0);
if (RT_SUCCESS(rc))
{
/*
* Initialize the device extension
*/
rc = supdrvInitDevExt(&g_DevExt, sizeof(SUPDRVSESSION));
if (RT_SUCCESS(rc))
{
cmn_err(CE_CONT, "!tsc::mode %s @ tentative %lu Hz\n", SUPGetGIPModeName(g_DevExt.pGip), g_DevExt.pGip->u64CpuHz);
/*
* Initialize the session hash table.
*/
memset(g_apSessionHashTab, 0, sizeof(g_apSessionHashTab));
rc = RTSpinlockCreate(&g_Spinlock, RTSPINLOCK_FLAGS_INTERRUPT_SAFE, "VBoxDrvSol");
if (RT_SUCCESS(rc))
{
rc = ddi_soft_state_init(&g_pVBoxDrvSolarisState, sizeof(vbox_devstate_t), 8);
if (!rc)
{
rc = mod_install(&g_VBoxDrvSolarisModLinkage);
if (!rc)
return rc; /* success */
ddi_soft_state_fini(&g_pVBoxDrvSolarisState);
LogRel(("vboxdrv: mod_install failed! rc=%d\n", rc));
}
else
LogRel(("vboxdrv: failed to initialize soft state.\n"));
RTSpinlockDestroy(g_Spinlock);
g_Spinlock = NIL_RTSPINLOCK;
}
else
{
LogRel(("VBoxDrvSolarisAttach: RTSpinlockCreate failed\n"));
rc = RTErrConvertToErrno(rc);
}
supdrvDeleteDevExt(&g_DevExt);
}
else
{
LogRel(("VBoxDrvSolarisAttach: supdrvInitDevExt failed\n"));
rc = EINVAL;
}
RTR0TermForced();
}
else
{
LogRel(("VBoxDrvSolarisAttach: failed to init R0Drv\n"));
rc = RTErrConvertToErrno(rc);
}
memset(&g_DevExt, 0, sizeof(g_DevExt));
return rc;
}
/**
* 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;
}
/**
* Kernel entry points
*/
int _init(void)
{
LogFlowFunc((DEVICE_NAME ":_init\n"));
/*
* Prevent module autounloading.
*/
modctl_t *pModCtl = mod_getctl(&g_VBoxDrvSolarisModLinkage);
if (pModCtl)
pModCtl->mod_loadflags |= MOD_NOAUTOUNLOAD;
else
LogRel((DEVICE_NAME ":failed to disable autounloading!\n"));
/*
* Initialize IPRT R0 driver, which internally calls OS-specific r0 init.
*/
int 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));
rc = RTSpinlockCreate(&g_Spinlock, RTSPINLOCK_FLAGS_INTERRUPT_SAFE, "VBoxDrvSol");
if (RT_SUCCESS(rc))
{
rc = ddi_soft_state_init(&g_pVBoxDrvSolarisState, sizeof(vbox_devstate_t), 8);
if (!rc)
{
rc = mod_install(&g_VBoxDrvSolarisModLinkage);
if (!rc)
return rc; /* success */
ddi_soft_state_fini(&g_pVBoxDrvSolarisState);
LogRel((DEVICE_NAME ":mod_install failed! rc=%d\n", rc));
}
else
LogRel((DEVICE_NAME ":failed to initialize soft state.\n"));
RTSpinlockDestroy(g_Spinlock);
g_Spinlock = NIL_RTSPINLOCK;
}
else
{
LogRel((DEVICE_NAME ":VBoxDrvSolarisAttach: RTSpinlockCreate failed\n"));
rc = RTErrConvertToErrno(rc);
}
supdrvDeleteDevExt(&g_DevExt);
}
else
{
LogRel((DEVICE_NAME ":VBoxDrvSolarisAttach: supdrvInitDevExt failed\n"));
rc = RTErrConvertToErrno(rc);
}
RTR0TermForced();
}
else
{
LogRel((DEVICE_NAME ":VBoxDrvSolarisAttach: failed to init R0Drv\n"));
rc = RTErrConvertToErrno(rc);
}
memset(&g_DevExt, 0, sizeof(g_DevExt));
return rc;
}