source: vbox/trunk/src/VBox/Additions/linux/module/vboxmod.c@ 549

/** @file
 *
 * vboxadd -- VirtualBox Guest Additions for Linux
 */

/*
 * Copyright (C) 2006 InnoTek Systemberatung GmbH
 *
 * This file is part of VirtualBox Open Source Edition (OSE), as
 * available from http://www.virtualbox.org. This file is free software;
 * you can redistribute it and/or modify it under the terms of the GNU
 * General Public License as published by the Free Software Foundation,
 * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
 * distribution. VirtualBox OSE is distributed in the hope that it will
 * be useful, but WITHOUT ANY WARRANTY of any kind.
 *
 * If you received this file as part of a commercial VirtualBox
 * distribution, then only the terms of your commercial VirtualBox
 * license agreement apply instead of the previous paragraph.
 */

#if 0
  #ifndef bool /* Linux 2.6.19 C++ nightmare */
  # define bool bool_type
  # define true true_type
  # define false false_type
  # define _Bool int
  # define bool_vboxmod_c
  #endif
  #include <linux/autoconf.h>
  #include <linux/version.h>
  #if LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 0)
  # undef ALIGN
  #endif
  #ifndef KBUILD_STR
  # if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 16)
  #  define KBUILD_STR(s) s
  # else
  #  define KBUILD_STR(s) #s
  # endif
  #endif
  /* Make (at least) RHEL3U5 happy. */
  #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 5, 0)
  // # define EXPORT_SYMTAB
  #endif
  #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 7)
  # if LINUX_VERSION_CODE < KERNEL_VERSION(2, 4, 29) \
      || LINUX_VERSION_CODE >= KERNEL_VERSION(2, 5, 0)
  #  define msecs_to_jiffies(x) (((x) * 1000) / HZ)
  # endif
  #else
  # include <linux/time.h>
  # include <linux/jiffies.h>
  #endif
  #include <linux/module.h>
  #include <linux/kernel.h>
  #include <linux/fs.h>
  #include <linux/mm.h>
  #include <linux/pci.h>
  #include <linux/wait.h>
  #include <linux/delay.h>
  #include <linux/interrupt.h>
  #include <linux/completion.h>
  #include <asm/uaccess.h>
  #ifdef bool_vboxmod_c
  # undef bool
  # undef true
  # undef false
  # undef _Bool
  # undef bool_vboxmod_c
  #endif
#endif

#include "the-linux-kernel.h"

/* #define IRQ_DEBUG */
// What is this for?
// bird: It used to fix a clash between ALIGN in iprt/cdefs.h and system headers.
//       Since I changed that a while back it should be obsoleted by now. Could
//       you please verify that this is actually the case (i.e. no ALIGN references
//       the code or any (of our) headers involved with it) and remove the #undef?
#undef ALIGN

#include "vboxmod.h"
#include "waitcompat.h"

#define VERSION "0.5"

MODULE_DESCRIPTION("VirtualBox Guest Additions for Linux Module");
MODULE_AUTHOR("InnoTek Systemberatung GmbH");
MODULE_LICENSE("GPL");

/* Runtime assert implementation for Linux ring 0 */
RTDECL(void) AssertMsg1(
    const char *pszExpr,
    unsigned uLine,
    const char *pszFile,
    const char *pszFunction
    )
{
    elog ("!!Assertion Failed!!\n"
          "Expression: %s\n"
          "Location  : %s(%d) %s\n",
          pszExpr, pszFile, uLine, pszFunction);
}

/* Runtime assert implementation for Linux ring 0 */
RTDECL(void) AssertMsg2(const char *pszFormat, ...)
{
    va_list ap;
    char    msg[256];

    va_start(ap, pszFormat);
    vsnprintf(msg, sizeof(msg) - 1, pszFormat, ap);
    msg[sizeof(msg) - 1] = '\0';
    ilog ("%s", msg);
    va_end(ap);
}

/* Backdoor logging function, needed by the runtime */
RTDECL(size_t) RTLogBackdoorPrintf (const char *pszFormat, ...)
{
    va_list ap;
    char    msg[256];
    size_t n;

    va_start(ap, pszFormat);
    n = vsnprintf(msg, sizeof(msg) - 1, pszFormat, ap);
    msg[sizeof(msg) - 1] = '\0';
    printk ("%s", msg);
    va_end(ap);
    return n;
}

/** device extension structure (we only support one device instance) */
static VBoxDevice *vboxDev = NULL;
/** our file node major id (set dynamically) */
#ifdef CONFIG_VBOXADD_MAJOR
static unsigned int vbox_major = CONFIG_VBOXADD_MAJOR;
#else
static unsigned int vbox_major = 0;
#endif

DECLVBGL (void *) vboxadd_cmc_open (void)
{
    return vboxDev;
}

DECLVBGL (void) vboxadd_cmc_close (void *opaque)
{
    (void) opaque;
}

EXPORT_SYMBOL (vboxadd_cmc_open);
EXPORT_SYMBOL (vboxadd_cmc_close);

/**
 * File open handler
 *
 */
static int vboxadd_open(struct inode *inode, struct file *filp)
{
    /* no checks required */
    return 0;
}

/**
 * File close handler
 *
 */
static int vboxadd_release(struct inode *inode, struct file * filp)
{
    /* no action required */
    return 0;
}

/**
 * Wait for event
 *
 */
static void
vboxadd_wait_for_event_helper (
    VBoxDevice *dev,
    long timeout,
    uint32_t in_mask,
    uint32_t * out_mask
    )
{
    BUG ();
}

static void
vboxadd_wait_for_event (VBoxGuestWaitEventInfo * info)
{
    long timeout;

    timeout = msecs_to_jiffies (info->u32TimeoutIn);
    vboxadd_wait_for_event_helper (vboxDev, timeout,
                                   info->u32EventMaskIn,
                                   &info->u32EventFlagsOut);
}


/**
 * IOCTL handler
 *
 */
static int vboxadd_ioctl(struct inode *inode, struct file *filp,
                         unsigned int cmd, unsigned long arg)
{
    switch (cmd)
    {
        case IOCTL_VBOXGUEST_WAITEVENT:
        {
            VBoxGuestWaitEventInfo info;
            char *ptr = (void *) arg;

            if (copy_from_user (&info, ptr, sizeof (info)))
            {
                printk (KERN_ERR "vboxadd_ioctl: can not get event info\n");
                return -EFAULT;
            }

            vboxadd_wait_for_event (&info);

            ptr += offsetof (VBoxGuestWaitEventInfo, u32EventFlagsOut);
            if (put_user (info.u32EventFlagsOut, ptr))
            {
                printk (KERN_ERR "vboxadd_ioctl: can not put out_mask\n");
                return -EFAULT;
            }
            return 0;
        }

        case IOCTL_VBOXGUEST_VMMREQUEST:
        {
            VMMDevRequestHeader reqHeader;
            VMMDevRequestHeader *reqFull = NULL;
            size_t cbRequestSize;
            size_t cbVanillaRequestSize;
            int rc;

            if (_IOC_SIZE(cmd) != sizeof(VMMDevRequestHeader))
            {
                printk(KERN_ERR "vboxadd_ioctl: invalid VMM request structure size: %d\n",
                       _IOC_SIZE(cmd));
                return -EINVAL;
            }
            if (copy_from_user(&reqHeader, (void*)arg, _IOC_SIZE(cmd)))
            {
                printk(KERN_ERR "vboxadd_ioctl: copy_from_user failed for vmm request!\n");
                return -EFAULT;
            }
            /* get the request size */
            cbVanillaRequestSize = vmmdevGetRequestSize(reqHeader.requestType);
            if (!cbVanillaRequestSize)
            {
                printk(KERN_ERR "vboxadd_ioctl: invalid request type: %d\n",
                       reqHeader.requestType);
                return -EINVAL;
            }

            cbRequestSize = reqHeader.size;
            if (cbRequestSize < cbVanillaRequestSize)
            {
                printk(KERN_ERR
                       "vboxadd_ioctl: invalid request size: %d min: %d type: %d\n",
                       cbRequestSize,
                       cbVanillaRequestSize,
                       reqHeader.requestType);
                return -EINVAL;
            }
            /* request storage for the full request */
            rc = VbglGRAlloc(&reqFull, cbRequestSize, reqHeader.requestType);
            if (VBOX_FAILURE(rc))
            {
                printk(KERN_ERR
                       "vboxadd_ioctl: could not allocate request structure! rc = %d\n", rc);
                return -EFAULT;
            }
            /* now get the full request */
            if (copy_from_user(reqFull, (void*)arg, cbRequestSize))
            {
                printk(KERN_ERR
                       "vboxadd_ioctl: failed to fetch full request from user space!\n");
                VbglGRFree(reqFull);
                return -EFAULT;
            }

            /* now issue the request */
            rc = VbglGRPerform(reqFull);
            /* failed? */
            if (VBOX_FAILURE(rc) || VBOX_FAILURE(reqFull->rc))
            {
                printk(KERN_ERR "vboxadd_ioctl: request execution failed!\n");
                VbglGRFree(reqFull);
                return -EFAULT;
            }
            else
            {
                /* success, copy the result data to user space */
                if (copy_to_user((void*)arg, (void*)reqFull, cbRequestSize))
                {
                    printk(KERN_ERR
                           "vboxadd_ioctl: error copying request result to user space!\n");
                    VbglGRFree(reqFull);
                    return -EFAULT;
                }
            }
            VbglGRFree(reqFull);
            break;
        }

        default:
        {
            printk(KERN_ERR "vboxadd_ioctl: unknown command: %x\n", cmd);
            return -EINVAL;
        }
    }
    return 0;
}

#ifdef DEBUG
static ssize_t
vboxadd_read (struct file *file, char *buf, size_t count, loff_t *loff)
{
    if (count != 8 || *loff != 0)
    {
        return -EINVAL;
    }
    *(uint32_t *) buf = vboxDev->pVMMDevMemory->V.V1_04.fHaveEvents;
    *(uint32_t *) (buf + 4) = vboxDev->u32Events;
    *loff += 8;
    return 8;
}
#endif

/** strategy handlers (file operations) */
static struct file_operations vbox_fops =
{
    .owner   = THIS_MODULE,
    .open    = vboxadd_open,
    .release = vboxadd_release,
    .ioctl   = vboxadd_ioctl,
#ifdef DEBUG
    .read    = vboxadd_read,
#endif
    .llseek  = no_llseek
};

#ifndef IRQ_RETVAL
/* interrupt handlers in 2.4 kernels don't return anything */
# define irqreturn_t void
# define IRQ_RETVAL(n)
#endif

/**
 * vboxadd_irq_handler
 *
 * Interrupt handler
 *
 * @returns scsi error code
 * @param irq                   Irq number
 * @param dev_id                Irq handler parameter
 * @param regs                  Regs
 *
 */
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 19)
static irqreturn_t vboxadd_irq_handler(int irq, void *dev_id)
#else
static irqreturn_t vboxadd_irq_handler(int irq, void *dev_id, struct pt_regs *regs)
#endif
{
    int fIRQTaken = 0;
    int rcVBox;

#ifdef IRQ_DEBUG
    printk ("%s: vboxDev->pVMMDevMemory=%p vboxDev->pVMMDevMemory->fHaveEvents=%d\n",
            __func__, vboxDev->pVMMDevMemory, vboxDev->pVMMDevMemory->fHaveEvents);
#endif

    /* check if IRQ was asserted by VBox */
    if (vboxDev->pVMMDevMemory->V.V1_04.fHaveEvents != 0)
    {
#ifdef IRQ_DEBUG
        printk(KERN_INFO "vboxadd: got IRQ with event mask 0x%x\n",
               vboxDev->pVMMDevMemory->u32HostEvents);
#endif

        /* make a copy of the event mask */
        rcVBox = VbglGRPerform (&vboxDev->irqAckRequest->header);
        if (VBOX_SUCCESS(rcVBox) && VBOX_SUCCESS(vboxDev->irqAckRequest->header.rc))
        {
            if (likely (vboxDev->irqAckRequest->events))
            {
                vboxDev->u32Events |= vboxDev->irqAckRequest->events;
                wake_up (&vboxDev->eventq);
            }
        }
        else
        {
            /* impossible... */
            printk(KERN_ERR
                   "vboxadd: failed acknowledging IRQ! rc = %x, header.rc = %d\n",
                   rcVBox, vboxDev->irqAckRequest->header.rc);
            BUG ();
        }

        /* it was ours! */
        fIRQTaken = 1;
    }
#ifdef IRQ_DEBUG
    else
    {
        printk ("vboxadd: stale IRQ mem=%p events=%d devevents=%#x\n",
                vboxDev->pVMMDevMemory,
                vboxDev->pVMMDevMemory->fHaveEvents,
                vboxDev->u32Events);
    }
#endif
    /* it was ours */
    return IRQ_RETVAL(fIRQTaken);
}

/**
 * Helper function to reserve a fixed kernel address space window
 * and tell the VMM that it can safely put its hypervisor there.
 * This function might fail which is not a critical error.
 */
static int vboxadd_reserve_hypervisor(void)
{
    VMMDevReqHypervisorInfo *req = NULL;
    int rcVBox;

    /* allocate request structure */
    rcVBox = VbglGRAlloc(
        (VMMDevRequestHeader**)&req,
        sizeof(VMMDevReqHypervisorInfo),
        VMMDevReq_GetHypervisorInfo
        );
    if (VBOX_FAILURE(rcVBox))
    {
        printk(KERN_ERR "vboxadd: failed to allocate hypervisor info structure! rc = %d\n",
               rcVBox);
        goto bail_out;
    }
    /* query the hypervisor information */
    rcVBox = VbglGRPerform(&req->header);
    if (VBOX_SUCCESS(rcVBox) && VBOX_SUCCESS(req->header.rc))
    {
        /* are we supposed to make a reservation? */
        if (req->hypervisorSize)
        {
            /** @todo repeat this several times until we get an address the host likes */

            void *hypervisorArea;
            /* reserve another 4MB because the start needs to be 4MB aligned */
            uint32_t hypervisorSize = req->hypervisorSize + 0x400000;
            /* perform a fictive IO space mapping */
            hypervisorArea = ioremap(HYPERVISOR_PHYSICAL_START, hypervisorSize);
            if (hypervisorArea)
            {
                /* communicate result to VMM, align at 4MB */
                req->hypervisorStart    = (RTGCPTR)ALIGNP(hypervisorArea, 0x400000);
                req->header.requestType = VMMDevReq_SetHypervisorInfo;
                req->header.rc          = VERR_GENERAL_FAILURE;
                rcVBox = VbglGRPerform(&req->header);
                if (VBOX_SUCCESS(rcVBox) && VBOX_SUCCESS(req->header.rc))
                {
                    /* store mapping for future unmapping */
                    vboxDev->hypervisorStart = hypervisorArea;
                    vboxDev->hypervisorSize  = hypervisorSize;
                }
                else
                {
                    printk(KERN_ERR "vboxadd: failed to set hypervisor region! "
                           "rc = %d, header.rc = %d\n",
                           rcVBox, req->header.rc);
                    goto bail_out;
                }
            }
            else
            {
                printk(KERN_ERR "vboxadd: failed to allocate 0x%x bytes of IO space\n",
                       hypervisorSize);
                goto bail_out;
            }
        }
    }
    else
    {
        printk(KERN_ERR "vboxadd: failed to query hypervisor info! rc = %d, header.rc = %d\n",
               rcVBox, req->header.rc);
        goto bail_out;
    }
    /* successful return */
    VbglGRFree(&req->header);
    return 0;
bail_out:
    /* error return */
    if (req)
        VbglGRFree(&req->header);
    return 1;
}

/**
 * Helper function to free the hypervisor address window
 *
 */
static int vboxadd_free_hypervisor(void)
{
    VMMDevReqHypervisorInfo *req = NULL;
    int rcVBox;

    /* allocate request structure */
    rcVBox = VbglGRAlloc(
        (VMMDevRequestHeader**)&req,
        sizeof(VMMDevReqHypervisorInfo),
        VMMDevReq_SetHypervisorInfo
        );
    if (VBOX_FAILURE(rcVBox))
    {
        printk(KERN_ERR
               "vboxadd: failed to allocate hypervisor info structure! rc = %d\n", rcVBox);
        goto bail_out;
    }
    /* reset the hypervisor information */
    req->hypervisorStart = 0;
    req->hypervisorSize  = 0;
    rcVBox = VbglGRPerform(&req->header);
    if (VBOX_SUCCESS(rcVBox) && VBOX_SUCCESS(req->header.rc))
    {
        /* now we can free the associated IO space mapping */
        iounmap(vboxDev->hypervisorStart);
        vboxDev->hypervisorStart = 0;
    }
    else
    {
        printk(KERN_ERR "vboxadd: failed to reset hypervisor info! rc = %d, header.rc = %d\n",
               rcVBox, req->header.rc);
        goto bail_out;
    }
    return 0;

 bail_out:
    if (req)
        VbglGRFree(&req->header);
    return 1;
}

/**
 * Helper to free resources
 *
 */
static void free_resources(void)
{
    if (vboxDev)
    {
        if (vboxDev->hypervisorStart)
        {
            vboxadd_free_hypervisor();
        }
        if (vboxDev->irqAckRequest)
        {
            VbglGRFree(&vboxDev->irqAckRequest->header);
            VbglTerminate();
        }
        if (vboxDev->pVMMDevMemory)
            iounmap(vboxDev->pVMMDevMemory);
        if (vboxDev->vmmdevmem)
            release_mem_region(vboxDev->vmmdevmem, vboxDev->vmmdevmem_size);
        if (vboxDev->irq)
            free_irq(vboxDev->irq, vboxDev);
        kfree(vboxDev);
        vboxDev = NULL;
    }
}

/**
 * Module initialization
 *
 */
static __init int init(void)
{
    int err;
    int rcVBox;
    struct pci_dev *pcidev = NULL;
    VMMDevReportGuestInfo *infoReq = NULL;

    printk(KERN_INFO "vboxadd: initializing. Version %s\n", VERSION);

    if (vboxadd_cmc_init ())
    {
        printk (KERN_ERR "vboxadd: could not init cmc.\n");
        return -ENODEV;
    }

    /*
     * Detect PCI device
     */
    pcidev = pci_find_device(VMMDEV_VENDORID, VMMDEV_DEVICEID, pcidev);
    if (!pcidev)
    {
        printk(KERN_ERR "vboxadd: VirtualBox PCI device not found.\n");
        return -ENODEV;
    }

    err = pci_enable_device (pcidev);
    if (err)
    {
        printk (KERN_ERR "vboxadd: could not enable device: %d\n", err);
        return -ENODEV;
    }

    /* register a character device */
    err = register_chrdev(vbox_major, "vboxadd", &vbox_fops);
    if (err < 0 || ((vbox_major & err) || (!vbox_major && !err)))
    {
        printk(KERN_ERR "vboxadd: register_chrdev failed: vbox_major: %d, err = %d\n",
               vbox_major, err);
        return -ENODEV;
    }
    /* if no major code was set, take the return value */
    if (!vbox_major)
        vbox_major = err;

    /* allocate and initialize device extension */
    vboxDev = kmalloc(sizeof(*vboxDev), GFP_KERNEL);
    if (!vboxDev)
    {
        printk(KERN_ERR "vboxadd: cannot allocate device!\n");
        err = -ENOMEM;
        goto fail;
    }
    memset(vboxDev, 0, sizeof(*vboxDev));
    snprintf(vboxDev->name, sizeof(vboxDev->name), "vboxadd");

    /* get the IO port region */
    vboxDev->io_port = pci_resource_start(pcidev, 0);

    /* get the memory region */
    vboxDev->vmmdevmem = pci_resource_start(pcidev, 1);
    /* and size */
    vboxDev->vmmdevmem_size = pci_resource_len(pcidev, 1);

    /* all resources found? */
    if (!vboxDev->io_port || !vboxDev->vmmdevmem || !vboxDev->vmmdevmem_size)
    {
        printk(KERN_ERR "vboxadd: did not find expected hardware resources!\n");
        goto fail;
    }

    /* request ownership of adapter memory */
    if (request_mem_region(vboxDev->vmmdevmem, vboxDev->vmmdevmem_size, "vboxadd") == 0)
    {
        printk(KERN_ERR "vboxadd: failed to request adapter memory!\n");
        goto fail;
    }

    /* map adapter memory into kernel address space and check version */
    vboxDev->pVMMDevMemory = (VMMDevMemory *) ioremap(
        vboxDev->vmmdevmem,
        vboxDev->vmmdevmem_size
        );
    if (!vboxDev->pVMMDevMemory)
    {
        printk (KERN_ERR "vboxadd: ioremap failed\n");
        goto fail;
    }

    if (vboxDev->pVMMDevMemory->u32Version != VMMDEV_MEMORY_VERSION)
    {
        printk(KERN_ERR
               "vboxadd: invalid VMM device memory version! (got 0x%x, expected 0x%x)\n",
               vboxDev->pVMMDevMemory->u32Version, VMMDEV_MEMORY_VERSION);
        goto fail;
    }

    /* initialize VBGL subsystem */
    rcVBox = VbglInit(vboxDev->io_port, vboxDev->pVMMDevMemory);
    if (VBOX_FAILURE(rcVBox))
    {
        printk(KERN_ERR "vboxadd: could not initialize VBGL subsystem! rc = %d\n", rcVBox);
        goto fail;
    }

    /* report guest information to host, this must be done as the very first request */
    rcVBox = VbglGRAlloc(
        (VMMDevRequestHeader**)&infoReq,
        sizeof(VMMDevReportGuestInfo),
        VMMDevReq_ReportGuestInfo
        );
    if (VBOX_FAILURE(rcVBox))
    {
        printk(KERN_ERR "vboxadd: could not allocate request structure! rc = %d\n", rcVBox);
        goto fail;
    }

    /* report guest version to host, the VMMDev requires that to be done first */
    infoReq->guestInfo.additionsVersion = VMMDEV_VERSION;
#if LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 0)
    infoReq->guestInfo.osType = OSTypeLinux26;
#else
    infoReq->guestInfo.osType = OSTypeLinux24;
#endif
    rcVBox = VbglGRPerform(&infoReq->header);
    if (VBOX_FAILURE(rcVBox) || VBOX_FAILURE(infoReq->header.rc))
    {
        printk(KERN_ERR
               "vboxadd: error reporting guest info to host! rc = %d, header.rc = %d\n",
               rcVBox, infoReq->header.rc);
        VbglGRFree(&infoReq->header);
        goto fail;
    }
    VbglGRFree(&infoReq->header);

    /* perform hypervisor address space reservation */
    if (vboxadd_reserve_hypervisor())
    {
        /* we just ignore the error, no address window reservation, non fatal */
    }

    /* allocate a VMM request structure for use in the ISR */
    rcVBox = VbglGRAlloc(
        (VMMDevRequestHeader**)&vboxDev->irqAckRequest,
        sizeof(VMMDevEvents),
        VMMDevReq_AcknowledgeEvents
        );
    if (VBOX_FAILURE(rcVBox))
    {
        printk(KERN_ERR "vboxadd: could not allocate request structure! rc = %d\n", rcVBox);
        goto fail;
    }

    /* get ISR */
    err = request_irq(pcidev->irq, vboxadd_irq_handler, SA_SHIRQ, "vboxadd", vboxDev);
    if (err)
    {
        printk(KERN_ERR "vboxadd: Could not request IRQ %d, err: %d\n", pcidev->irq, err);
        goto fail;
    }
    vboxDev->irq = pcidev->irq;

    init_waitqueue_head (&vboxDev->eventq);

    /* some useful information for the user */
    printk(KERN_INFO
           "vboxadd: major code: %d, "
           "using irq %d, "
           "io port 0x%x, memory at 0x%x (size %d bytes), "
           "hypervisor window at 0x%p (size 0x%x bytes)\n",
           vbox_major, vboxDev->irq, vboxDev->io_port,
           vboxDev->vmmdevmem, vboxDev->vmmdevmem_size,
           vboxDev->hypervisorStart, vboxDev->hypervisorSize);

    /* successful return */
    return 0;
fail:
    free_resources();
    unregister_chrdev(vbox_major, "vboxadd");
    return err;
}

/**
 * Module termination
 *
 */
static __exit void fini(void)
{
    printk(KERN_DEBUG "vboxadd: unloading...\n");

    unregister_chrdev(vbox_major, "vboxadd");
    free_resources();
    vboxadd_cmc_fini ();
    printk(KERN_DEBUG "vboxadd: unloaded\n");
}

module_init(init);
module_exit(fini);

/* PCI hotplug structure */
static const struct pci_device_id __devinitdata vmmdev_pci_id[] =
{
    {
        .vendor = VMMDEV_VENDORID,
        .device = VMMDEV_DEVICEID
    },
    {
        /* empty entry */
    }
};
MODULE_DEVICE_TABLE(pci, vmmdev_pci_id);

int __gxx_personality_v0 = 0xdeadbeef;

/*
 * Local Variables:
 * c-mode: bsd
 * indent-tabs-mode: nil
 * c-plusplus: evil
 * End:
 */