SUPDrv-freebsd.c revision 45565249f149f7562fc6ee85be7ca3a3706e32e6
45565249f149f7562fc6ee85be7ca3a3706e32e6vboxsync * VBoxDrv - The VirtualBox Support Driver - FreeBSD specifics.
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * Copyright (c) 2007 knut st. osmundsen <bird-src-spam@anduin.net>
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * Permission is hereby granted, free of charge, to any person
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * obtaining a copy of this software and associated documentation
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * files (the "Software"), to deal in the Software without
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * restriction, including without limitation the rights to use,
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * copy, modify, merge, publish, distribute, sublicense, and/or sell
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * copies of the Software, and to permit persons to whom the
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * Software is furnished to do so, subject to the following
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * conditions:
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * The above copyright notice and this permission notice shall be
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * included in all copies or substantial portions of the Software.
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * OTHER DEALINGS IN THE SOFTWARE.
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync/*******************************************************************************
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync* Header Files *
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync*******************************************************************************/
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync/* Deal with conflicts first. */
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync/*******************************************************************************
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync* Internal Functions *
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync*******************************************************************************/
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsyncstatic int VBoxDrvFreeBSDModuleEvent(struct module *pMod, int enmEventType, void *pvArg);
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsyncstatic int VBoxDrvFreeBSDLoad(void);
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsyncstatic int VBoxDrvFreeBSDUnload(void);
84eeabfd29e718854e00e795879dab6ce61469e5vboxsyncstatic void VBoxDrvFreeBSDClone(void *pvArg, struct ucred *pCred, char *pachName, int cchName, struct cdev **ppDev);
84eeabfd29e718854e00e795879dab6ce61469e5vboxsyncstatic int VBoxDrvFreeBSDIOCtlSlow(PSUPDRVSESSION pSession, u_long ulCmd, caddr_t pvData, struct thread *pTd);
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync/*******************************************************************************
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync* Global Variables *
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync*******************************************************************************/
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * Module info structure used by the kernel.
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync/** Declare the module as a pseudo device. */
84eeabfd29e718854e00e795879dab6ce61469e5vboxsyncDECLARE_MODULE(vboxdrv, g_VBoxDrvFreeBSDModule, SI_SUB_PSEUDO, SI_ORDER_ANY);
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * The /dev/vboxdrv character device entry points.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync/** List of cloned device. Managed by the kernel. */
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync/** The dev_clone event handler tag. */
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync/** The device extention. */
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * Module event handler.
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * @param pMod The module structure.
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * @param enmEventType The event type (modeventtype_t).
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * @param pvArg Module argument. NULL.
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * @return 0 on success, errno.h status code on failure.
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsyncstatic int VBoxDrvFreeBSDModuleEvent(struct module *pMod, int enmEventType, void *pvArg)
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsyncstatic int VBoxDrvFreeBSDLoad(void)
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * Initialize the runtime.
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * Initialize the device extension.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * Configure device cloning.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync g_VBoxDrvFreeBSDEHTag = EVENTHANDLER_REGISTER(dev_clone, VBoxDrvFreeBSDClone, 0, 1000);
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync dprintf(("VBoxDrvFreeBSDLoad: returns successfully\n"));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync printf("vboxdrv: EVENTHANDLER_REGISTER(dev_clone,,,) failed\n");
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync printf("vboxdrv: supdrvInitDevExt failed, rc=%d\n", rc);
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsyncstatic int VBoxDrvFreeBSDUnload(void)
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync /** @todo verify that FreeBSD does reference counting. */
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * Reserve what we did in VBoxDrvFreeBSDInit.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync memset(&g_VBoxDrvFreeBSDDevExt, 0, sizeof(g_VBoxDrvFreeBSDDevExt));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * DEVFS event handler.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsyncstatic void VBoxDrvFreeBSDClone(void *pvArg, struct ucred *pCred, char *pszName, int cchName, struct cdev **ppDev)
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync dprintf(("VBoxDrvFreeBSDClone: pszName=%s ppDev=%p\n", pszName, ppDev));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * One device node per user, si_drv1 points to the session.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * /dev/vboxdrv<N> where N = {0...255}.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync if (dev_stdclone(pszName, NULL, "vboxdrv", &iUnit) != 1)
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync dprintf(("VBoxDrvFreeBSDClone: iUnit=%d >= 256 - rejected\n", iUnit));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync dprintf(("VBoxDrvFreeBSDClone: pszName=%s iUnit=%d\n", pszName, iUnit));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync rc = clone_create(&g_pVBoxDrvFreeBSDClones, &g_VBoxDrvFreeBSDChrDevSW, &iUnit, ppDev, 0);
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync dprintf(("VBoxDrvFreeBSDClone: clone_create -> %d; iUnit=%d\n", rc, iUnit));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync dprintf(("VBoxDrvFreeBSDClone: Created *ppDev=%p iUnit=%d si_drv1=%p si_drv2=%p\n",
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync *ppDev, iUnit, (*ppDev)->si_drv1, (*ppDev)->si_drv2));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync OSDBGPRINT(("VBoxDrvFreeBSDClone: make_dev iUnit=%d failed\n", iUnit));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync dprintf(("VBoxDrvFreeBSDClone: Existing *ppDev=%p iUnit=%d si_drv1=%p si_drv2=%p\n",
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync *ppDev, iUnit, (*ppDev)->si_drv1, (*ppDev)->si_drv2));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @returns 0 on success, errno on failure.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * EBUSY if the device is used by someone else.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @param pDev The device node.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @param fOpen The open flags.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @param pTd The thread.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @param pFd The file descriptor. FreeBSD 7.0 and later.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @param iFd The file descriptor index(?). Pre FreeBSD 7.0.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync#if FreeBSD >= 700 /* figure when and how to check properly */
84eeabfd29e718854e00e795879dab6ce61469e5vboxsyncstatic int VBoxDrvFreeBSDOpen(struct cdev *pDev, int fOpen, struct thread *pTd, struct file *pFd)
84eeabfd29e718854e00e795879dab6ce61469e5vboxsyncstatic int VBoxDrvFreeBSDOpen(struct cdev *pDev, int fOpen, struct thread *pTd, int iFd)
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync dprintf(("VBoxDrvFreeBSDOpen: fOpen=%#x iUnit=%d\n", fOpen, minor2unit(minor(pDev))));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * Let's be a bit picky about the flags...
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync dprintf(("VBoxDrvFreeBSDOpen: fOpen=%#x expected %#x\n", fOpen, O_RDWR));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * Try grab it (we don't grab the giant, remember).
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync if (!ASMAtomicCmpXchgPtr(&pDev->si_drv1, (void *)0x42, NULL))
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * Create a new session.
3a5d16e1911830b585d10278ea2cdbb408e261e6vboxsync rc = supdrvCreateSession(&g_VBoxDrvFreeBSDDevExt, true /* fUser */, &pSession);
3a5d16e1911830b585d10278ea2cdbb408e261e6vboxsync /** @todo get (e)uid and (e)gid.
3a5d16e1911830b585d10278ea2cdbb408e261e6vboxsync pSession->Uid = stuff;
3a5d16e1911830b585d10278ea2cdbb408e261e6vboxsync pSession->Gid = stuff; */
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync if (ASMAtomicCmpXchgPtr(&pDev->si_drv1, pSession, (void *)0x42))
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync OSDBGPRINT(("VBoxDrvFreeBSDOpen: si_drv1=%p, expected 0x42!\n", pDev->si_drv1));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync supdrvCloseSession(&g_VBoxDrvFreeBSDDevExt, pSession);
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * Close a file device previously opened by VBoxDrvFreeBSDOpen
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @returns 0 on success.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @param pDev The device.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @param fFile The file descriptor flags.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @param DevType The device type (CHR.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @param pTd The calling thread.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsyncstatic int VBoxDrvFreeBSDClose(struct cdev *pDev, int fFile, int DevType, struct thread *pTd)
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync PSUPDRVSESSION pSession = (PSUPDRVSESSION)pDev->si_drv1;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync dprintf(("VBoxDrvFreeBSDClose: fFile=%#x iUnit=%d pSession=%p\n", fFile, minor2unit(minor(pDev)), pSession));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * Close the session if it's still hanging on to the device...
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync supdrvCloseSession(&g_VBoxDrvFreeBSDDevExt, pSession);
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync if (!ASMAtomicCmpXchgPtr(&pDev->si_drv1, NULL, pSession))
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync OSDBGPRINT(("VBoxDrvFreeBSDClose: si_drv1=%p expected %p!\n", pDev->si_drv1, pSession));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync OSDBGPRINT(("VBoxDrvFreeBSDClose: si_drv1=%p!\n", pSession));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * I/O control request.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @returns depends...
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @param pDev The device.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @param ulCmd The command.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @param pvData Pointer to the data.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @param fFile The file descriptor flags.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @param pTd The calling thread.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsyncstatic int VBoxDrvFreeBSDIOCtl(struct cdev *pDev, u_long ulCmd, caddr_t pvData, int fFile, struct thread *pTd)
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * Validate the input.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync PSUPDRVSESSION pSession = (PSUPDRVSESSION)pDev->si_drv1;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * Deal with the fast ioctl path first.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync return supdrvIOCtlFast(ulCmd, &g_VBoxDrvFreeBSDDevExt, pSession);
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync return VBoxDrvFreeBSDIOCtlSlow(pSession, ulCmd, pvData, pTd);
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * Deal with the 'slow' I/O control requests.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @returns 0 on success, appropriate errno on failure.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @param pSession The session.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @param ulCmd The command.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @param pvData The request data.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @param pTd The calling thread.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsyncstatic int VBoxDrvFreeBSDIOCtlSlow(PSUPDRVSESSION pSession, u_long ulCmd, caddr_t pvData, struct thread *pTd)
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * Buffered request?
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync OSDBGPRINT(("VBoxDrvFreeBSDIOCtlSlow: cbReq=%#x < %#x; ulCmd=%#lx\n", cbReq, (int)sizeof(*pHdr), ulCmd));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync if (RT_UNLIKELY((pHdr->fFlags & SUPREQHDR_FLAGS_MAGIC_MASK) != SUPREQHDR_FLAGS_MAGIC))
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync OSDBGPRINT(("VBoxDrvFreeBSDIOCtlSlow: bad magic fFlags=%#x; ulCmd=%#lx\n", pHdr->fFlags, ulCmd));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync if (RT_UNLIKELY( RT_MAX(pHdr->cbIn, pHdr->cbOut) != cbReq
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync OSDBGPRINT(("VBoxDrvFreeBSDIOCtlSlow: max(%#x,%#x) != %#x; ulCmd=%#lx\n", pHdr->cbIn, pHdr->cbOut, cbReq, ulCmd));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * Big unbuffered request?
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync else if ((IOC_DIRMASK & ulCmd) == IOC_VOID && !cbReq)
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * Read the header, validate it and figure out how much that needs to be buffered.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync OSDBGPRINT(("VBoxDrvFreeBSDIOCtlSlow: copyin(%p,Hdr,) -> %#x; ulCmd=%#lx\n", pvUser, rc, ulCmd));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync if (RT_UNLIKELY((Hdr.fFlags & SUPREQHDR_FLAGS_MAGIC_MASK) != SUPREQHDR_FLAGS_MAGIC))
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync OSDBGPRINT(("VBoxDrvFreeBSDIOCtlSlow: bad magic fFlags=%#x; ulCmd=%#lx\n", Hdr.fFlags, ulCmd));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync OSDBGPRINT(("VBoxDrvFreeBSDIOCtlSlow: max(%#x,%#x); ulCmd=%#lx\n", Hdr.cbIn, Hdr.cbOut, ulCmd));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * Allocate buffer and copy in the data.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync OSDBGPRINT(("VBoxDrvFreeBSDIOCtlSlow: failed to allocate buffer of %d bytes; ulCmd=%#lx\n", cbReq, ulCmd));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync OSDBGPRINT(("VBoxDrvFreeBSDIOCtlSlow: copyin(%p,%p,%#x) -> %#x; ulCmd=%#lx\n",
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync dprintf(("VBoxDrvFreeBSDIOCtlSlow: huh? cbReq=%#x ulCmd=%#lx\n", cbReq, ulCmd));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * Process the IOCtl.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync int rc = supdrvIOCtl(ulCmd, &g_VBoxDrvFreeBSDDevExt, pSession, pHdr);
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * If unbuffered, copy back the result before returning.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync OSDBGPRINT(("VBoxDrvFreeBSDIOCtlSlow: too much output! %#x > %#x; uCmd=%#lx!\n", cbOut, cbReq, ulCmd));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync OSDBGPRINT(("VBoxDrvFreeBSDIOCtlSlow: copyout(%p,%p,%#x) -> %d; uCmd=%#lx!\n", pHdr, pvUser, cbOut, rc, ulCmd));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync /* cleanup */
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync dprintf(("VBoxDrvFreeBSDIOCtlSlow: returns %d / %d ulCmd=%lx\n", 0, pHdr->rc, ulCmd));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * The request failed, just clean up.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync dprintf(("VBoxDrvFreeBSDIOCtlSlow: ulCmd=%lx pData=%p failed, rc=%d\n", ulCmd, pvData, rc));
3393c62e395aa8388303d99f765a219efc289158vboxsync * The SUPDRV IDC entry point.
3393c62e395aa8388303d99f765a219efc289158vboxsync * @returns VBox status code, see supdrvIDC.
3393c62e395aa8388303d99f765a219efc289158vboxsync * @param iReq The request code.
3393c62e395aa8388303d99f765a219efc289158vboxsync * @param pReq The request.
3393c62e395aa8388303d99f765a219efc289158vboxsyncint VBOXCALL SUPDrvFreeBSDIDC(uint32_t uReq, PSUPDRVIDCREQHDR pReq)
3393c62e395aa8388303d99f765a219efc289158vboxsync * Some quick validations.
3393c62e395aa8388303d99f765a219efc289158vboxsync if (RT_UNLIKELY(pSession->pDevExt != &g_VBoxDrvFreeBSDModule))
3393c62e395aa8388303d99f765a219efc289158vboxsync else if (RT_UNLIKELY(uReq != SUPDRV_IDC_REQ_CONNECT))
3393c62e395aa8388303d99f765a219efc289158vboxsync * Do the job.
3393c62e395aa8388303d99f765a219efc289158vboxsync return supdrvIDC(uReq, &g_VBoxDrvFreeBSDModule, pSession, pReq);
0a769a6be37f526faeabe88f77422ee6291afa37vboxsyncvoid VBOXCALL supdrvOSObjInitCreator(PSUPDRVOBJ pObj, PSUPDRVSESSION pSession)
0a769a6be37f526faeabe88f77422ee6291afa37vboxsyncbool VBOXCALL supdrvOSObjCanAccess(PSUPDRVOBJ pObj, PSUPDRVSESSION pSession, const char *pszObjName, int *prc)
0a769a6be37f526faeabe88f77422ee6291afa37vboxsync return false;
71b548af8b5b8adb865702432045250bc56ad7e5vboxsyncbool VBOXCALL supdrvOSGetForcedAsyncTscMode(PSUPDRVDEVEXT pDevExt)
71b548af8b5b8adb865702432045250bc56ad7e5vboxsync return false;
0a769a6be37f526faeabe88f77422ee6291afa37vboxsyncSUPR0DECL(int) SUPR0Printf(const char *pszFormat, ...)
0a769a6be37f526faeabe88f77422ee6291afa37vboxsync cch = RTStrPrintfV(szMsg, sizeof(szMsg), pszFormat, va);