/**
* Stop the kernel module.
*/
static kern_return_t vgdrvDarwinStop(struct kmod_info *pKModInfo, void *pvData)
{
RTR0TermForced();
printf("VBoxGuest: driver unloaded\n");
return KMOD_RETURN_SUCCESS;
}
/**
* Stop the kernel module.
*/
static kern_return_t VbgdDarwinStop(struct kmod_info *pKModInfo, void *pvData)
{
RTR0TermForced();
#ifdef DEBUG
printf("VbgdDarwinStop - done\n");
#endif
return KMOD_RETURN_SUCCESS;
}
/**
* 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 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;
}
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;
}
/**
* Initialize module.
*
* @returns appropriate status code.
*/
static int __init VBoxDrvLinuxInit(void)
{
int rc;
/*
* Check for synchronous/asynchronous TSC mode.
*/
printk(KERN_DEBUG "vboxdrv: Found %u processor cores\n", (unsigned)RTMpGetOnlineCount());
#ifdef CONFIG_VBOXDRV_AS_MISC
rc = misc_register(&gMiscDeviceSys);
if (rc)
{
printk(KERN_ERR "vboxdrv: Can't register system misc device! rc=%d\n", rc);
return rc;
}
rc = misc_register(&gMiscDeviceUsr);
if (rc)
{
printk(KERN_ERR "vboxdrv: Can't register user misc device! rc=%d\n", rc);
misc_deregister(&gMiscDeviceSys);
return rc;
}
#else /* !CONFIG_VBOXDRV_AS_MISC */
/*
* Register character devices and save the returned major numbers.
*/
/* /dev/vboxdrv */
g_iModuleMajorSys = DEVICE_MAJOR_SYS;
rc = register_chrdev((dev_t)g_iModuleMajorSys, DEVICE_NAME_SYS, &gFileOpsVBoxDrvSys);
if (rc < 0)
{
Log(("register_chrdev() failed with rc=%#x for vboxdrv!\n", rc));
return rc;
}
if (DEVICE_MAJOR_SYS != 0)
g_iModuleMajorSys = DEVICE_MAJOR_SYS;
else
g_iModuleMajorSys = rc;
/* /dev/vboxdrvu */
/** @todo Use a minor number of this bugger (not sure if this code is used
* though, so not bothering right now.) */
g_iModuleMajorUsr = DEVICE_MAJOR_USR;
rc = register_chrdev((dev_t)g_iModuleMajorUsr, DEVICE_NAME_USR, &gFileOpsVBoxDrvUsr);
if (rc < 0)
{
Log(("register_chrdev() failed with rc=%#x for vboxdrv!\n", rc));
return rc;
}
if (DEVICE_MAJOR_USR != 0)
g_iModuleMajorUsr = DEVICE_MAJOR_USR;
else
g_iModuleMajorUsr = rc;
rc = 0;
# ifdef CONFIG_DEVFS_FS
/*
* Register a device entry
*/
if ( devfs_mk_cdev(MKDEV(DEVICE_MAJOR_SYS, 0), S_IFCHR | VBOX_DEV_FMASK, DEVICE_NAME_SYS) != 0
|| devfs_mk_cdev(MKDEV(DEVICE_MAJOR_USR, 0), S_IFCHR | VBOX_DEV_FMASK, DEVICE_NAME_USR) != 0)
{
Log(("devfs_register failed!\n"));
rc = -EINVAL;
}
# endif
#endif /* !CONFIG_VBOXDRV_AS_MISC */
if (!rc)
{
/*
* Initialize the runtime.
* On AMD64 we'll have to donate the high rwx memory block to the exec allocator.
*/
rc = RTR0Init(0);
if (RT_SUCCESS(rc))
{
#if (defined(RT_ARCH_AMD64) && LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 23)) || defined(VBOX_WITH_TEXT_MODMEM_HACK)
# ifdef VBOX_WITH_TEXT_MODMEM_HACK
set_memory_x(&g_abExecMemory[0], sizeof(g_abExecMemory) / PAGE_SIZE);
set_memory_rw(&g_abExecMemory[0], sizeof(g_abExecMemory) / PAGE_SIZE);
# endif
rc = RTR0MemExecDonate(&g_abExecMemory[0], sizeof(g_abExecMemory));
printk(KERN_DEBUG "VBoxDrv: dbg - g_abExecMemory=%p\n", (void *)&g_abExecMemory[0]);
#endif
Log(("VBoxDrv::ModuleInit\n"));
/*
* Initialize the device extension.
*/
if (RT_SUCCESS(rc))
rc = supdrvInitDevExt(&g_DevExt, sizeof(SUPDRVSESSION));
if (RT_SUCCESS(rc))
{
#ifdef VBOX_WITH_SUSPEND_NOTIFICATION
rc = platform_driver_register(&gPlatformDriver);
if (rc == 0)
{
rc = platform_device_register(&gPlatformDevice);
if (rc == 0)
#endif
{
printk(KERN_INFO "vboxdrv: TSC mode is %s, tentative frequency %llu Hz\n",
SUPGetGIPModeName(g_DevExt.pGip), g_DevExt.pGip->u64CpuHz);
LogFlow(("VBoxDrv::ModuleInit returning %#x\n", rc));
printk(KERN_DEBUG "vboxdrv: Successfully loaded version "
VBOX_VERSION_STRING " (interface " RT_XSTR(SUPDRV_IOC_VERSION) ")\n");
return rc;
}
#ifdef VBOX_WITH_SUSPEND_NOTIFICATION
else
platform_driver_unregister(&gPlatformDriver);
}
#endif
}
rc = -EINVAL;
RTR0TermForced();
}
else
rc = -EINVAL;
/*
* Failed, cleanup and return the error code.
*/
#if defined(CONFIG_DEVFS_FS) && !defined(CONFIG_VBOXDRV_AS_MISC)
devfs_remove(DEVICE_NAME_SYS);
devfs_remove(DEVICE_NAME_USR);
#endif
}
#ifdef CONFIG_VBOXDRV_AS_MISC
misc_deregister(&gMiscDeviceSys);
misc_deregister(&gMiscDeviceUsr);
Log(("VBoxDrv::ModuleInit returning %#x (minor:%d & %d)\n", rc, gMiscDeviceSys.minor, gMiscDeviceUsr.minor));
#else
unregister_chrdev(g_iModuleMajorUsr, DEVICE_NAME_USR);
unregister_chrdev(g_iModuleMajorSys, DEVICE_NAME_SYS);
Log(("VBoxDrv::ModuleInit returning %#x (major:%d & %d)\n", rc, g_iModuleMajorSys, g_iModuleMajorUsr));
#endif
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;
}
/**
* Initialize module.
*
* @returns appropriate status code.
*/
static int __init VBoxDrvLinuxInit(void)
{
int rc;
/*
* Check for synchronous/asynchronous TSC mode.
*/
printk(KERN_DEBUG DEVICE_NAME ": Found %u processor cores.\n", (unsigned)RTMpGetOnlineCount());
#ifdef CONFIG_VBOXDRV_AS_MISC
rc = misc_register(&gMiscDevice);
if (rc)
{
printk(KERN_ERR DEVICE_NAME ": Can't register misc device! rc=%d\n", rc);
return rc;
}
#else /* !CONFIG_VBOXDRV_AS_MISC */
/*
* Register character device.
*/
g_iModuleMajor = DEVICE_MAJOR;
rc = register_chrdev((dev_t)g_iModuleMajor, DEVICE_NAME, &gFileOpsVBoxDrv);
if (rc < 0)
{
Log(("register_chrdev() failed with rc=%#x!\n", rc));
return rc;
}
/*
* Save returned module major number
*/
if (DEVICE_MAJOR != 0)
g_iModuleMajor = DEVICE_MAJOR;
else
g_iModuleMajor = rc;
rc = 0;
# ifdef CONFIG_DEVFS_FS
/*
* Register a device entry
*/
if (devfs_mk_cdev(MKDEV(DEVICE_MAJOR, 0), S_IFCHR | VBOX_DEV_FMASK, DEVICE_NAME) != 0)
{
Log(("devfs_register failed!\n"));
rc = -EINVAL;
}
# endif
#endif /* !CONFIG_VBOXDRV_AS_MISC */
if (!rc)
{
/*
* Initialize the runtime.
* On AMD64 we'll have to donate the high rwx memory block to the exec allocator.
*/
rc = RTR0Init(0);
if (RT_SUCCESS(rc))
{
#if defined(RT_ARCH_AMD64) && LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 23)
rc = RTR0MemExecDonate(&g_abExecMemory[0], sizeof(g_abExecMemory));
printk(KERN_DEBUG "VBoxDrv: dbg - g_abExecMemory=%p\n", (void *)&g_abExecMemory[0]);
#endif
Log(("VBoxDrv::ModuleInit\n"));
/*
* Initialize the device extension.
*/
if (RT_SUCCESS(rc))
rc = supdrvInitDevExt(&g_DevExt, sizeof(SUPDRVSESSION));
if (RT_SUCCESS(rc))
{
#ifdef VBOX_WITH_SUSPEND_NOTIFICATION
rc = platform_driver_register(&gPlatformDriver);
if (rc == 0)
{
rc = platform_device_register(&gPlatformDevice);
if (rc == 0)
#endif
{
printk(KERN_INFO DEVICE_NAME ": TSC mode is %s, kernel timer mode is 'normal'.\n",
g_DevExt.pGip->u32Mode == SUPGIPMODE_SYNC_TSC ? "'synchronous'" : "'asynchronous'");
LogFlow(("VBoxDrv::ModuleInit returning %#x\n", rc));
printk(KERN_DEBUG DEVICE_NAME ": Successfully loaded version "
VBOX_VERSION_STRING " (interface " RT_XSTR(SUPDRV_IOC_VERSION) ").\n");
return rc;
}
#ifdef VBOX_WITH_SUSPEND_NOTIFICATION
else
platform_driver_unregister(&gPlatformDriver);
}
#endif
}
rc = -EINVAL;
RTR0TermForced();
}
else
rc = -EINVAL;
/*
* Failed, cleanup and return the error code.
*/
#if defined(CONFIG_DEVFS_FS) && !defined(CONFIG_VBOXDRV_AS_MISC)
devfs_remove(DEVICE_NAME);
#endif
}
#ifdef CONFIG_VBOXDRV_AS_MISC
misc_deregister(&gMiscDevice);
Log(("VBoxDrv::ModuleInit returning %#x (minor:%d)\n", rc, gMiscDevice.minor));
#else
unregister_chrdev(g_iModuleMajor, DEVICE_NAME);
Log(("VBoxDrv::ModuleInit returning %#x (major:%d)\n", rc, g_iModuleMajor));
#endif
return rc;
}
