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 character devices. Add symbolic links for compatibility.
             */
            g_pVBoxDrvFreeBSDChrDevSys = make_dev(&g_VBoxDrvFreeBSDChrDevSwSys, 0, UID_ROOT, GID_WHEEL, VBOXDRV_PERM, "vboxdrv");
            g_pVBoxDrvFreeBSDChrDevUsr = make_dev(&g_VBoxDrvFreeBSDChrDevSwUsr, 1, UID_ROOT, GID_WHEEL, 0666,         "vboxdrvu");
            return VINF_SUCCESS;
        }

        printf("vboxdrv: supdrvInitDevExt failed, rc=%d\n", rc);
        RTR0Term();
    }
    else
        printf("vboxdrv: RTR0Init failed, rc=%d\n", rc);
    return rc;
}
コード例 #2
0
/**
 * 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;
}
コード例 #3
0
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;
}
コード例 #4
0
ファイル: SUPDrv-win.cpp プロジェクト: greg100795/virtualbox
RT_C_DECLS_END


/**
 * Driver entry point.
 *
 * @returns appropriate status code.
 * @param   pDrvObj     Pointer to driver object.
 * @param   pRegPath    Registry base path.
 */
ULONG _stdcall DriverEntry(PDRIVER_OBJECT pDrvObj, PUNICODE_STRING pRegPath)
{
    NTSTATUS    rc;

    /*
     * Create device.
     * (That means creating a device object and a symbolic link so the DOS
     * subsystems (OS/2, win32, ++) can access the device.)
     */
    UNICODE_STRING  DevName;
    RtlInitUnicodeString(&DevName, DEVICE_NAME_NT);
    PDEVICE_OBJECT  pDevObj;
    rc = IoCreateDevice(pDrvObj, sizeof(SUPDRVDEVEXT), &DevName, FILE_DEVICE_UNKNOWN, 0, FALSE, &pDevObj);
    if (NT_SUCCESS(rc))
    {
        UNICODE_STRING DosName;
        RtlInitUnicodeString(&DosName, DEVICE_NAME_DOS);
        rc = IoCreateSymbolicLink(&DosName, &DevName);
        if (NT_SUCCESS(rc))
        {
            int vrc = RTR0Init(0);
            if (RT_SUCCESS(vrc))
            {
                Log(("VBoxDrv::DriverEntry\n"));

                /*
                 * Initialize the device extension.
                 */
                PSUPDRVDEVEXT pDevExt = (PSUPDRVDEVEXT)pDevObj->DeviceExtension;
                memset(pDevExt, 0, sizeof(*pDevExt));

                vrc = supdrvInitDevExt(pDevExt, sizeof(SUPDRVSESSION));
                if (!vrc)
                {
                    /*
                     * Setup the driver entry points in pDrvObj.
                     */
                    pDrvObj->DriverUnload                                   = VBoxDrvNtUnload;
                    pDrvObj->MajorFunction[IRP_MJ_CREATE]                   = VBoxDrvNtCreate;
                    pDrvObj->MajorFunction[IRP_MJ_CLEANUP]                  = VBoxDrvNtCleanup;
                    pDrvObj->MajorFunction[IRP_MJ_CLOSE]                    = VBoxDrvNtClose;
                    pDrvObj->MajorFunction[IRP_MJ_DEVICE_CONTROL]           = VBoxDrvNtDeviceControl;
                    pDrvObj->MajorFunction[IRP_MJ_INTERNAL_DEVICE_CONTROL]  = VBoxDrvNtInternalDeviceControl;
                    pDrvObj->MajorFunction[IRP_MJ_READ]                     = VBoxDrvNtNotSupportedStub;
                    pDrvObj->MajorFunction[IRP_MJ_WRITE]                    = VBoxDrvNtNotSupportedStub;

                    /* more? */

                    /* Register ourselves for power state changes. */
                    UNICODE_STRING      CallbackName;
                    OBJECT_ATTRIBUTES   Attr;

                    RtlInitUnicodeString(&CallbackName, L"\\Callback\\PowerState");
                    InitializeObjectAttributes(&Attr, &CallbackName, OBJ_CASE_INSENSITIVE, NULL, NULL);

                    rc = ExCreateCallback(&pDevExt->pObjPowerCallback, &Attr, TRUE, TRUE);
                    if (rc == STATUS_SUCCESS)
                        pDevExt->hPowerCallback = ExRegisterCallback(pDevExt->pObjPowerCallback, VBoxPowerDispatchCallback, pDevObj);

                    Log(("VBoxDrv::DriverEntry returning STATUS_SUCCESS\n"));
                    return STATUS_SUCCESS;
                }

                Log(("supdrvInitDevExit failed with vrc=%d!\n", vrc));
                rc = VBoxDrvNtErr2NtStatus(vrc);

                IoDeleteSymbolicLink(&DosName);
                RTR0Term();
            }
            else
            {
                Log(("RTR0Init failed with vrc=%d!\n", vrc));
                rc = VBoxDrvNtErr2NtStatus(vrc);
            }
        }
        else
            Log(("IoCreateSymbolicLink failed with rc=%#x!\n", rc));

        IoDeleteDevice(pDevObj);
    }
    else
        Log(("IoCreateDevice failed with rc=%#x!\n", rc));

    if (NT_SUCCESS(rc))
        rc = STATUS_INVALID_PARAMETER;
    Log(("VBoxDrv::DriverEntry returning %#x\n", rc));
    return rc;
}
コード例 #5
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;
}
コード例 #6
0
/**
 * 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;
}
コード例 #7
0
/**
 * 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;
}
コード例 #8
0
/**
 * Driver entry point.
 *
 * @returns appropriate status code.
 * @param   pDrvObj     Pointer to driver object.
 * @param   pRegPath    Registry base path.
 */
ULONG _stdcall DriverEntry(PDRIVER_OBJECT pDrvObj, PUNICODE_STRING pRegPath)
{
    /*
     * Create device.
     * (That means creating a device object and a symbolic link so the DOS
     * subsystems (OS/2, win32, ++) can access the device.)
     */
    NTSTATUS rcNt = vboxdrvNtCreateDevices(pDrvObj);
    if (NT_SUCCESS(rcNt))
    {
        int vrc = RTR0Init(0);
        if (RT_SUCCESS(vrc))
        {
            Log(("VBoxDrv::DriverEntry\n"));

            /*
             * Initialize the device extension.
             */
            PSUPDRVDEVEXT pDevExt = (PSUPDRVDEVEXT)g_pDevObjSys->DeviceExtension;
            memset(pDevExt, 0, sizeof(*pDevExt));

            vrc = supdrvInitDevExt(pDevExt, sizeof(SUPDRVSESSION));
            if (!vrc)
            {
                /*
                 * Setup the driver entry points in pDrvObj.
                 */
                pDrvObj->DriverUnload                                   = VBoxDrvNtUnload;
                pDrvObj->MajorFunction[IRP_MJ_CREATE]                   = VBoxDrvNtCreate;
                pDrvObj->MajorFunction[IRP_MJ_CLEANUP]                  = VBoxDrvNtCleanup;
                pDrvObj->MajorFunction[IRP_MJ_CLOSE]                    = VBoxDrvNtClose;
                pDrvObj->MajorFunction[IRP_MJ_DEVICE_CONTROL]           = VBoxDrvNtDeviceControl;
                pDrvObj->MajorFunction[IRP_MJ_INTERNAL_DEVICE_CONTROL]  = VBoxDrvNtInternalDeviceControl;
                pDrvObj->MajorFunction[IRP_MJ_READ]                     = VBoxDrvNtNotSupportedStub;
                pDrvObj->MajorFunction[IRP_MJ_WRITE]                    = VBoxDrvNtNotSupportedStub;

                /* more? */

                /* Register ourselves for power state changes. */
                UNICODE_STRING      CallbackName;
                OBJECT_ATTRIBUTES   Attr;

                RtlInitUnicodeString(&CallbackName, L"\\Callback\\PowerState");
                InitializeObjectAttributes(&Attr, &CallbackName, OBJ_CASE_INSENSITIVE, NULL, NULL);

                rcNt = ExCreateCallback(&pDevExt->pObjPowerCallback, &Attr, TRUE, TRUE);
                if (rcNt == STATUS_SUCCESS)
                    pDevExt->hPowerCallback = ExRegisterCallback(pDevExt->pObjPowerCallback, VBoxPowerDispatchCallback,
                                                                 g_pDevObjSys);

                Log(("VBoxDrv::DriverEntry returning STATUS_SUCCESS\n"));
                return STATUS_SUCCESS;
            }

            Log(("supdrvInitDevExit failed with vrc=%d!\n", vrc));
            rcNt = VBoxDrvNtErr2NtStatus(vrc);

            RTR0Term();
        }
        else
        {
            Log(("RTR0Init failed with vrc=%d!\n", vrc));
            rcNt = VBoxDrvNtErr2NtStatus(vrc);
        }

        vboxdrvNtDestroyDevices();
    }
    if (NT_SUCCESS(rcNt))
        rcNt = STATUS_INVALID_PARAMETER;
    return rcNt;
}
コード例 #9
0
/**
 * 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;
}
コード例 #10
0
/**
 * 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;
}