VirtualBox

source: vbox/trunk/src/VBox/Additions/common/VBoxGuest/VBoxGuest-freebsd.c@ 57358

Last change on this file since 57358 was 54608, checked in by vboxsync, 10 years ago

VBoxGuest: cleanups, mainly fixing and shortening function name prefixes.
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 18.7 KB
Line 
1/* $Id: VBoxGuest-freebsd.c 54608 2015-03-03 20:28:01Z vboxsync $ */
2/** @file
3 * VirtualBox Guest Additions Driver for FreeBSD.
4 */
5
6/*
7 * Copyright (C) 2007-2015 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 */
17
18/** @todo r=bird: This must merge with SUPDrv-freebsd.c before long. The two
19 * source files should only differ on prefixes and the extra bits wrt to the
20 * pci device. I.e. it should be diffable so that fixes to one can easily be
21 * applied to the other. */
22
23#include <sys/param.h>
24#include <sys/systm.h>
25#include <sys/conf.h>
26#include <sys/kernel.h>
27#include <sys/module.h>
28#include <sys/bus.h>
29#include <sys/poll.h>
30#include <sys/selinfo.h>
31#include <sys/queue.h>
32#include <sys/lock.h>
33#include <sys/lockmgr.h>
34#include <sys/types.h>
35#include <sys/conf.h>
36#include <sys/malloc.h>
37#include <sys/uio.h>
38#include <sys/file.h>
39#include <sys/rman.h>
40#include <machine/bus.h>
41#include <machine/resource.h>
42#include <dev/pci/pcivar.h>
43#include <dev/pci/pcireg.h>
44
45#ifdef PVM
46# undef PVM
47#endif
48#include "VBoxGuestInternal.h"
49#include <VBox/log.h>
50#include <iprt/assert.h>
51#include <iprt/initterm.h>
52#include <iprt/process.h>
53#include <iprt/mem.h>
54#include <iprt/asm.h>
55
56/** The module name. */
57#define DEVICE_NAME "vboxguest"
58
59struct VBoxGuestDeviceState
60{
61 /** Resource ID of the I/O port */
62 int iIOPortResId;
63 /** Pointer to the I/O port resource. */
64 struct resource *pIOPortRes;
65 /** Start address of the IO Port. */
66 uint16_t uIOPortBase;
67 /** Resource ID of the MMIO area */
68 int iVMMDevMemResId;
69 /** Pointer to the MMIO resource. */
70 struct resource *pVMMDevMemRes;
71 /** Handle of the MMIO resource. */
72 bus_space_handle_t VMMDevMemHandle;
73 /** Size of the memory area. */
74 bus_size_t VMMDevMemSize;
75 /** Mapping of the register space */
76 void *pMMIOBase;
77 /** IRQ number */
78 int iIrqResId;
79 /** IRQ resource handle. */
80 struct resource *pIrqRes;
81 /** Pointer to the IRQ handler. */
82 void *pfnIrqHandler;
83 /** VMMDev version */
84 uint32_t u32Version;
85};
86
87static MALLOC_DEFINE(M_VBOXDEV, "vboxdev_pci", "VirtualBox Guest driver PCI");
88
89/*
90 * Character device file handlers.
91 */
92static d_fdopen_t VBoxGuestFreeBSDOpen;
93static d_close_t VBoxGuestFreeBSDClose;
94static d_ioctl_t VBoxGuestFreeBSDIOCtl;
95static d_write_t VBoxGuestFreeBSDWrite;
96static d_read_t VBoxGuestFreeBSDRead;
97static d_poll_t VBoxGuestFreeBSDPoll;
98
99/*
100 * IRQ related functions.
101 */
102static void VBoxGuestFreeBSDRemoveIRQ(device_t pDevice, void *pvState);
103static int VBoxGuestFreeBSDAddIRQ(device_t pDevice, void *pvState);
104static int VBoxGuestFreeBSDISR(void *pvState);
105
106/*
107 * Available functions for kernel drivers.
108 */
109DECLVBGL(int) VBoxGuestFreeBSDServiceCall(void *pvSession, unsigned uCmd, void *pvData, size_t cbData, size_t *pcbDataReturned);
110DECLVBGL(void *) VBoxGuestFreeBSDServiceOpen(uint32_t *pu32Version);
111DECLVBGL(int) VBoxGuestFreeBSDServiceClose(void *pvSession);
112
113#ifndef D_NEEDMINOR
114# define D_NEEDMINOR 0
115#endif
116
117/*
118 * Device node entry points.
119 */
120static struct cdevsw g_VBoxGuestFreeBSDChrDevSW =
121{
122 .d_version = D_VERSION,
123 .d_flags = D_TRACKCLOSE | D_NEEDMINOR,
124 .d_fdopen = VBoxGuestFreeBSDOpen,
125 .d_close = VBoxGuestFreeBSDClose,
126 .d_ioctl = VBoxGuestFreeBSDIOCtl,
127 .d_read = VBoxGuestFreeBSDRead,
128 .d_write = VBoxGuestFreeBSDWrite,
129 .d_poll = VBoxGuestFreeBSDPoll,
130 .d_name = DEVICE_NAME
131};
132
133/** Device extention & session data association structure. */
134static VBOXGUESTDEVEXT g_DevExt;
135/** List of cloned device. Managed by the kernel. */
136static struct clonedevs *g_pVBoxGuestFreeBSDClones;
137/** The dev_clone event handler tag. */
138static eventhandler_tag g_VBoxGuestFreeBSDEHTag;
139/** Reference counter */
140static volatile uint32_t cUsers;
141/** selinfo structure used for polling. */
142static struct selinfo g_SelInfo;
143
144/**
145 * DEVFS event handler.
146 */
147static void VBoxGuestFreeBSDClone(void *pvArg, struct ucred *pCred, char *pszName, int cchName, struct cdev **ppDev)
148{
149 int iUnit;
150 int rc;
151
152 Log(("VBoxGuestFreeBSDClone: pszName=%s ppDev=%p\n", pszName, ppDev));
153
154 /*
155 * One device node per user, si_drv1 points to the session.
156 * /dev/vboxguest<N> where N = {0...255}.
157 */
158 if (!ppDev)
159 return;
160 if (strcmp(pszName, "vboxguest") == 0)
161 iUnit = -1;
162 else if (dev_stdclone(pszName, NULL, "vboxguest", &iUnit) != 1)
163 return;
164 if (iUnit >= 256)
165 {
166 Log(("VBoxGuestFreeBSDClone: iUnit=%d >= 256 - rejected\n", iUnit));
167 return;
168 }
169
170 Log(("VBoxGuestFreeBSDClone: pszName=%s iUnit=%d\n", pszName, iUnit));
171
172 rc = clone_create(&g_pVBoxGuestFreeBSDClones, &g_VBoxGuestFreeBSDChrDevSW, &iUnit, ppDev, 0);
173 Log(("VBoxGuestFreeBSDClone: clone_create -> %d; iUnit=%d\n", rc, iUnit));
174 if (rc)
175 {
176 *ppDev = make_dev(&g_VBoxGuestFreeBSDChrDevSW,
177 iUnit,
178 UID_ROOT,
179 GID_WHEEL,
180 0664,
181 "vboxguest%d", iUnit);
182 if (*ppDev)
183 {
184 dev_ref(*ppDev);
185 (*ppDev)->si_flags |= SI_CHEAPCLONE;
186 Log(("VBoxGuestFreeBSDClone: Created *ppDev=%p iUnit=%d si_drv1=%p si_drv2=%p\n",
187 *ppDev, iUnit, (*ppDev)->si_drv1, (*ppDev)->si_drv2));
188 (*ppDev)->si_drv1 = (*ppDev)->si_drv2 = NULL;
189 }
190 else
191 Log(("VBoxGuestFreeBSDClone: make_dev iUnit=%d failed\n", iUnit));
192 }
193 else
194 Log(("VBoxGuestFreeBSDClone: Existing *ppDev=%p iUnit=%d si_drv1=%p si_drv2=%p\n",
195 *ppDev, iUnit, (*ppDev)->si_drv1, (*ppDev)->si_drv2));
196}
197
198/**
199 * File open handler
200 *
201 */
202#if __FreeBSD_version >= 700000
203static int VBoxGuestFreeBSDOpen(struct cdev *pDev, int fOpen, struct thread *pTd, struct file *pFd)
204#else
205static int VBoxGuestFreeBSDOpen(struct cdev *pDev, int fOpen, struct thread *pTd)
206#endif
207{
208 int rc;
209 PVBOXGUESTSESSION pSession;
210
211 LogFlow((DEVICE_NAME ":VBoxGuestFreeBSDOpen\n"));
212
213 /*
214 * Try grab it (we don't grab the giant, remember).
215 */
216 if (!ASMAtomicCmpXchgPtr(&pDev->si_drv1, (void *)0x42, NULL))
217 return EBUSY;
218
219 /*
220 * Create a new session.
221 */
222 rc = VbgdCommonCreateUserSession(&g_DevExt, &pSession);
223 if (RT_SUCCESS(rc))
224 {
225 if (ASMAtomicCmpXchgPtr(&pDev->si_drv1, pSession, (void *)0x42))
226 {
227 Log((DEVICE_NAME ":VBoxGuestFreeBSDOpen success: g_DevExt=%p pSession=%p rc=%d pid=%d\n", &g_DevExt, pSession, rc, (int)RTProcSelf()));
228 ASMAtomicIncU32(&cUsers);
229 return 0;
230 }
231
232 VbgdCommonCloseSession(&g_DevExt, pSession);
233 }
234
235 LogRel((DEVICE_NAME ":VBoxGuestFreeBSDOpen: failed. rc=%d\n", rc));
236 return RTErrConvertToErrno(rc);
237}
238
239/**
240 * File close handler
241 *
242 */
243static int VBoxGuestFreeBSDClose(struct cdev *pDev, int fFile, int DevType, struct thread *pTd)
244{
245 PVBOXGUESTSESSION pSession = (PVBOXGUESTSESSION)pDev->si_drv1;
246 Log(("VBoxGuestFreeBSDClose: fFile=%#x pSession=%p\n", fFile, pSession));
247
248 /*
249 * Close the session if it's still hanging on to the device...
250 */
251 if (VALID_PTR(pSession))
252 {
253 VbgdCommonCloseSession(&g_DevExt, pSession);
254 if (!ASMAtomicCmpXchgPtr(&pDev->si_drv1, NULL, pSession))
255 Log(("VBoxGuestFreeBSDClose: si_drv1=%p expected %p!\n", pDev->si_drv1, pSession));
256 ASMAtomicDecU32(&cUsers);
257 /* Don't use destroy_dev here because it may sleep resulting in a hanging user process. */
258 destroy_dev_sched(pDev);
259 }
260 else
261 Log(("VBoxGuestFreeBSDClose: si_drv1=%p!\n", pSession));
262 return 0;
263}
264
265/**
266 * IOCTL handler
267 *
268 */
269static int VBoxGuestFreeBSDIOCtl(struct cdev *pDev, u_long ulCmd, caddr_t pvData, int fFile, struct thread *pTd)
270{
271 LogFlow((DEVICE_NAME ":VBoxGuestFreeBSDIOCtl\n"));
272
273 int rc = 0;
274
275 /*
276 * Validate the input.
277 */
278 PVBOXGUESTSESSION pSession = (PVBOXGUESTSESSION)pDev->si_drv1;
279 if (RT_UNLIKELY(!VALID_PTR(pSession)))
280 return EINVAL;
281
282 /*
283 * Validate the request wrapper.
284 */
285 if (IOCPARM_LEN(ulCmd) != sizeof(VBGLBIGREQ))
286 {
287 Log((DEVICE_NAME ": VBoxGuestFreeBSDIOCtl: bad request %lu size=%lu expected=%d\n", ulCmd, IOCPARM_LEN(ulCmd), sizeof(VBGLBIGREQ)));
288 return ENOTTY;
289 }
290
291 PVBGLBIGREQ ReqWrap = (PVBGLBIGREQ)pvData;
292 if (ReqWrap->u32Magic != VBGLBIGREQ_MAGIC)
293 {
294 Log((DEVICE_NAME ": VBoxGuestFreeBSDIOCtl: bad magic %#x; pArg=%p Cmd=%lu.\n", ReqWrap->u32Magic, pvData, ulCmd));
295 return EINVAL;
296 }
297 if (RT_UNLIKELY( ReqWrap->cbData == 0
298 || ReqWrap->cbData > _1M*16))
299 {
300 printf(DEVICE_NAME ": VBoxGuestFreeBSDIOCtl: bad size %#x; pArg=%p Cmd=%lu.\n", ReqWrap->cbData, pvData, ulCmd);
301 return EINVAL;
302 }
303
304 /*
305 * Read the request.
306 */
307 void *pvBuf = RTMemTmpAlloc(ReqWrap->cbData);
308 if (RT_UNLIKELY(!pvBuf))
309 {
310 Log((DEVICE_NAME ":VBoxGuestFreeBSDIOCtl: RTMemTmpAlloc failed to alloc %d bytes.\n", ReqWrap->cbData));
311 return ENOMEM;
312 }
313
314 rc = copyin((void *)(uintptr_t)ReqWrap->pvDataR3, pvBuf, ReqWrap->cbData);
315 if (RT_UNLIKELY(rc))
316 {
317 RTMemTmpFree(pvBuf);
318 Log((DEVICE_NAME ":VBoxGuestFreeBSDIOCtl: copyin failed; pvBuf=%p pArg=%p Cmd=%lu. rc=%d\n", pvBuf, pvData, ulCmd, rc));
319 return EFAULT;
320 }
321 if (RT_UNLIKELY( ReqWrap->cbData != 0
322 && !VALID_PTR(pvBuf)))
323 {
324 RTMemTmpFree(pvBuf);
325 Log((DEVICE_NAME ":VBoxGuestFreeBSDIOCtl: pvBuf invalid pointer %p\n", pvBuf));
326 return EINVAL;
327 }
328 Log((DEVICE_NAME ":VBoxGuestFreeBSDIOCtl: pSession=%p pid=%d.\n", pSession, (int)RTProcSelf()));
329
330 /*
331 * Process the IOCtl.
332 */
333 size_t cbDataReturned;
334 rc = VbgdCommonIoCtl(ulCmd, &g_DevExt, pSession, pvBuf, ReqWrap->cbData, &cbDataReturned);
335 if (RT_SUCCESS(rc))
336 {
337 rc = 0;
338 if (RT_UNLIKELY(cbDataReturned > ReqWrap->cbData))
339 {
340 Log((DEVICE_NAME ":VBoxGuestFreeBSDIOCtl: too much output data %d expected %d\n", cbDataReturned, ReqWrap->cbData));
341 cbDataReturned = ReqWrap->cbData;
342 }
343 if (cbDataReturned > 0)
344 {
345 rc = copyout(pvBuf, (void *)(uintptr_t)ReqWrap->pvDataR3, cbDataReturned);
346 if (RT_UNLIKELY(rc))
347 {
348 Log((DEVICE_NAME ":VBoxGuestFreeBSDIOCtl: copyout failed; pvBuf=%p pArg=%p Cmd=%lu. rc=%d\n", pvBuf, pvData, ulCmd, rc));
349 rc = EFAULT;
350 }
351 }
352 }
353 else
354 {
355 Log((DEVICE_NAME ":VBoxGuestFreeBSDIOCtl: VbgdCommonIoCtl failed. rc=%d\n", rc));
356 rc = EFAULT;
357 }
358 RTMemTmpFree(pvBuf);
359 return rc;
360}
361
362static int VBoxGuestFreeBSDPoll (struct cdev *pDev, int fEvents, struct thread *td)
363{
364 int fEventsProcessed;
365
366 LogFlow((DEVICE_NAME "::Poll: fEvents=%d\n", fEvents));
367
368 PVBOXGUESTSESSION pSession = (PVBOXGUESTSESSION)pDev->si_drv1;
369 if (RT_UNLIKELY(!VALID_PTR(pSession))) {
370 Log((DEVICE_NAME "::Poll: no state data for %s\n", devtoname(pDev)));
371 return (fEvents & (POLLHUP|POLLIN|POLLRDNORM|POLLOUT|POLLWRNORM));
372 }
373
374 uint32_t u32CurSeq = ASMAtomicUoReadU32(&g_DevExt.u32MousePosChangedSeq);
375 if (pSession->u32MousePosChangedSeq != u32CurSeq)
376 {
377 fEventsProcessed = fEvents & (POLLIN | POLLRDNORM);
378 pSession->u32MousePosChangedSeq = u32CurSeq;
379 }
380 else
381 {
382 fEventsProcessed = 0;
383
384 selrecord(td, &g_SelInfo);
385 }
386
387 return fEventsProcessed;
388}
389
390static int VBoxGuestFreeBSDWrite (struct cdev *pDev, struct uio *pUio, int fIo)
391{
392 return 0;
393}
394
395static int VBoxGuestFreeBSDRead (struct cdev *pDev, struct uio *pUio, int fIo)
396{
397 return 0;
398}
399
400static int VBoxGuestFreeBSDDetach(device_t pDevice)
401{
402 struct VBoxGuestDeviceState *pState = device_get_softc(pDevice);
403
404 if (cUsers > 0)
405 return EBUSY;
406
407 /*
408 * Reverse what we did in VBoxGuestFreeBSDAttach.
409 */
410 if (g_VBoxGuestFreeBSDEHTag != NULL)
411 EVENTHANDLER_DEREGISTER(dev_clone, g_VBoxGuestFreeBSDEHTag);
412
413 clone_cleanup(&g_pVBoxGuestFreeBSDClones);
414
415 VBoxGuestFreeBSDRemoveIRQ(pDevice, pState);
416
417 if (pState->pVMMDevMemRes)
418 bus_release_resource(pDevice, SYS_RES_MEMORY, pState->iVMMDevMemResId, pState->pVMMDevMemRes);
419 if (pState->pIOPortRes)
420 bus_release_resource(pDevice, SYS_RES_IOPORT, pState->iIOPortResId, pState->pIOPortRes);
421
422 VbgdCommonDeleteDevExt(&g_DevExt);
423
424 RTR0Term();
425
426 return 0;
427}
428
429/**
430 * Interrupt service routine.
431 *
432 * @returns Whether the interrupt was from VMMDev.
433 * @param pvState Opaque pointer to the device state.
434 */
435static int VBoxGuestFreeBSDISR(void *pvState)
436{
437 LogFlow((DEVICE_NAME ":VBoxGuestFreeBSDISR pvState=%p\n", pvState));
438
439 bool fOurIRQ = VbgdCommonISR(&g_DevExt);
440
441 return fOurIRQ ? 0 : 1;
442}
443
444void VbgdNativeISRMousePollEvent(PVBOXGUESTDEVEXT pDevExt)
445{
446 LogFlow((DEVICE_NAME "::NativeISRMousePollEvent:\n"));
447
448 /*
449 * Wake up poll waiters.
450 */
451 selwakeup(&g_SelInfo);
452}
453
454/**
455 * Sets IRQ for VMMDev.
456 *
457 * @returns FreeBSD error code.
458 * @param pDevice Pointer to the device info structure.
459 * @param pvState Pointer to the state info structure.
460 */
461static int VBoxGuestFreeBSDAddIRQ(device_t pDevice, void *pvState)
462{
463 int iResId = 0;
464 int rc = 0;
465 struct VBoxGuestDeviceState *pState = (struct VBoxGuestDeviceState *)pvState;
466
467 pState->pIrqRes = bus_alloc_resource_any(pDevice, SYS_RES_IRQ, &iResId, RF_SHAREABLE | RF_ACTIVE);
468
469#if __FreeBSD_version >= 700000
470 rc = bus_setup_intr(pDevice, pState->pIrqRes, INTR_TYPE_BIO | INTR_MPSAFE, NULL, (driver_intr_t *)VBoxGuestFreeBSDISR, pState,
471 &pState->pfnIrqHandler);
472#else
473 rc = bus_setup_intr(pDevice, pState->pIrqRes, INTR_TYPE_BIO, (driver_intr_t *)VBoxGuestFreeBSDISR, pState, &pState->pfnIrqHandler);
474#endif
475
476 if (rc)
477 {
478 pState->pfnIrqHandler = NULL;
479 return VERR_DEV_IO_ERROR;
480 }
481
482 pState->iIrqResId = iResId;
483
484 return VINF_SUCCESS;
485}
486
487/**
488 * Removes IRQ for VMMDev.
489 *
490 * @param pDevice Pointer to the device info structure.
491 * @param pvState Opaque pointer to the state info structure.
492 */
493static void VBoxGuestFreeBSDRemoveIRQ(device_t pDevice, void *pvState)
494{
495 struct VBoxGuestDeviceState *pState = (struct VBoxGuestDeviceState *)pvState;
496
497 if (pState->pIrqRes)
498 {
499 bus_teardown_intr(pDevice, pState->pIrqRes, pState->pfnIrqHandler);
500 bus_release_resource(pDevice, SYS_RES_IRQ, 0, pState->pIrqRes);
501 }
502}
503
504static int VBoxGuestFreeBSDAttach(device_t pDevice)
505{
506 int rc = VINF_SUCCESS;
507 int iResId = 0;
508 struct VBoxGuestDeviceState *pState = NULL;
509
510 cUsers = 0;
511
512 /*
513 * Initialize IPRT R0 driver, which internally calls OS-specific r0 init.
514 */
515 rc = RTR0Init(0);
516 if (RT_FAILURE(rc))
517 {
518 LogFunc(("RTR0Init failed.\n"));
519 return ENXIO;
520 }
521
522 pState = device_get_softc(pDevice);
523
524 /*
525 * Allocate I/O port resource.
526 */
527 iResId = PCIR_BAR(0);
528 pState->pIOPortRes = bus_alloc_resource_any(pDevice, SYS_RES_IOPORT, &iResId, RF_ACTIVE);
529 pState->uIOPortBase = rman_get_start(pState->pIOPortRes);
530 pState->iIOPortResId = iResId;
531 if (pState->uIOPortBase)
532 {
533 /*
534 * Map the MMIO region.
535 */
536 iResId = PCIR_BAR(1);
537 pState->pVMMDevMemRes = bus_alloc_resource_any(pDevice, SYS_RES_MEMORY, &iResId, RF_ACTIVE);
538 pState->VMMDevMemHandle = rman_get_bushandle(pState->pVMMDevMemRes);
539 pState->VMMDevMemSize = rman_get_size(pState->pVMMDevMemRes);
540
541 pState->pMMIOBase = rman_get_virtual(pState->pVMMDevMemRes);
542 pState->iVMMDevMemResId = iResId;
543 if (pState->pMMIOBase)
544 {
545 /*
546 * Call the common device extension initializer.
547 */
548 rc = VbgdCommonInitDevExt(&g_DevExt, pState->uIOPortBase,
549 pState->pMMIOBase, pState->VMMDevMemSize,
550#if ARCH_BITS == 64
551 VBOXOSTYPE_FreeBSD_x64,
552#else
553 VBOXOSTYPE_FreeBSD,
554#endif
555 VMMDEV_EVENT_MOUSE_POSITION_CHANGED);
556 if (RT_SUCCESS(rc))
557 {
558 /*
559 * Add IRQ of VMMDev.
560 */
561 rc = VBoxGuestFreeBSDAddIRQ(pDevice, pState);
562 if (RT_SUCCESS(rc))
563 {
564 /*
565 * Configure device cloning.
566 */
567 clone_setup(&g_pVBoxGuestFreeBSDClones);
568 g_VBoxGuestFreeBSDEHTag = EVENTHANDLER_REGISTER(dev_clone, VBoxGuestFreeBSDClone, 0, 1000);
569 if (g_VBoxGuestFreeBSDEHTag)
570 {
571 printf(DEVICE_NAME ": loaded successfully\n");
572 return 0;
573 }
574
575 printf(DEVICE_NAME ": EVENTHANDLER_REGISTER(dev_clone,,,) failed\n");
576 clone_cleanup(&g_pVBoxGuestFreeBSDClones);
577 VBoxGuestFreeBSDRemoveIRQ(pDevice, pState);
578 }
579 else
580 printf((DEVICE_NAME ":VbgdCommonInitDevExt failed.\n"));
581 VbgdCommonDeleteDevExt(&g_DevExt);
582 }
583 else
584 printf((DEVICE_NAME ":VBoxGuestFreeBSDAddIRQ failed.\n"));
585 }
586 else
587 printf((DEVICE_NAME ":MMIO region setup failed.\n"));
588 }
589 else
590 printf((DEVICE_NAME ":IOport setup failed.\n"));
591
592 RTR0Term();
593 return ENXIO;
594}
595
596static int VBoxGuestFreeBSDProbe(device_t pDevice)
597{
598 if ((pci_get_vendor(pDevice) == VMMDEV_VENDORID) && (pci_get_device(pDevice) == VMMDEV_DEVICEID))
599 return 0;
600
601 return ENXIO;
602}
603
604static device_method_t VBoxGuestFreeBSDMethods[] =
605{
606 /* Device interface. */
607 DEVMETHOD(device_probe, VBoxGuestFreeBSDProbe),
608 DEVMETHOD(device_attach, VBoxGuestFreeBSDAttach),
609 DEVMETHOD(device_detach, VBoxGuestFreeBSDDetach),
610 {0,0}
611};
612
613static driver_t VBoxGuestFreeBSDDriver =
614{
615 DEVICE_NAME,
616 VBoxGuestFreeBSDMethods,
617 sizeof(struct VBoxGuestDeviceState),
618};
619
620static devclass_t VBoxGuestFreeBSDClass;
621
622DRIVER_MODULE(vboxguest, pci, VBoxGuestFreeBSDDriver, VBoxGuestFreeBSDClass, 0, 0);
623MODULE_VERSION(vboxguest, 1);
624
625/* Common code that depend on g_DevExt. */
626#include "VBoxGuestIDC-unix.c.h"
627
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