VBoxGuest-netbsd.c@ 63454

Last change on this file since 63454 was 63454, checked in by vboxsync, 9 years ago
VBoxGuest-netbsd.c: match should return 0 on failure.
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 19.8 KB

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1	/* $Id: VBoxGuest-netbsd.c 63454 2016-08-15 00:46:36Z vboxsync $ */
2	/** @file
3	* VirtualBox Guest Additions Driver for NetBSD.
4	*/
5
6	/*
7	* Copyright (C) 2007-2016 Oracle Corporation
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.215389.xyz. 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-netbsd.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
24	/*********************************************************************************************************************************
25	* Header Files *
26	*********************************************************************************************************************************/
27	#include <sys/param.h>
28	#include <sys/systm.h>
29	#include <sys/select.h>
30	#include <sys/conf.h>
31	#include <sys/kernel.h>
32	#include <sys/kmem.h>
33	#include <sys/module.h>
34	#include <sys/device.h>
35	#include <sys/bus.h>
36	#include <sys/poll.h>
37	#include <sys/proc.h>
38	#include <sys/stat.h>
39	#include <sys/selinfo.h>
40	#include <sys/queue.h>
41	#include <sys/lock.h>
42	#include <sys/types.h>
43	#include <sys/conf.h>
44	#include <sys/malloc.h>
45	#include <sys/uio.h>
46	#include <sys/file.h>
47	#include <sys/filedesc.h>
48	#include <sys/vfs_syscalls.h>
49	#include <dev/pci/pcivar.h>
50	#include <dev/pci/pcireg.h>
51	#include <dev/pci/pcidevs.h>
52
53	#ifdef PVM
54	# undef PVM
55	#endif
56	#include "VBoxGuestInternal.h"
57	#include <VBox/log.h>
58	#include <iprt/assert.h>
59	#include <iprt/initterm.h>
60	#include <iprt/process.h>
61	#include <iprt/mem.h>
62	#include <iprt/asm.h>
63
64
65	/*********************************************************************************************************************************
66	* Defined Constants And Macros *
67	*********************************************************************************************************************************/
68	/** The module name. */
69	#define DEVICE_NAME "vboxguest"
70
71
72	/*********************************************************************************************************************************
73	* Structures and Typedefs *
74	*********************************************************************************************************************************/
75	typedef struct VBoxGuestDeviceState
76	{
77	device_t sc_dev;
78	pci_chipset_tag_t pc;
79	bus_space_tag_t io_tag;
80	bus_space_handle_t io_handle;
81	bus_addr_t uIOPortBase;
82	bus_size_t io_regsize;
83	bus_space_tag_t iVMMDevMemResId;
84	bus_space_handle_t VMMDevMemHandle;
85
86	/** Size of the memory area. */
87	bus_size_t VMMDevMemSize;
88	/** Mapping of the register space */
89	bus_addr_t pMMIOBase;
90
91	/** IRQ resource handle. */
92	pci_intr_handle_t ih;
93	/** Pointer to the IRQ handler. */
94	void *pfnIrqHandler;
95
96	/** Controller features, limits and status. */
97	u_int vboxguest_state;
98	} vboxguest_softc;
99
100
101	struct vboxguest_session
102	{
103	vboxguest_softc *sc;
104	PVBOXGUESTSESSION session;
105	};
106
107	#define VBOXGUEST_STATE_INITOK 1 << 0
108
109	/*********************************************************************************************************************************
110	* Internal Functions *
111	*********************************************************************************************************************************/
112	/*
113	* Character device file handlers.
114	*/
115	static int VBoxGuestNetBSDOpen(dev_t device, int flags, int fmt, struct lwp *process);
116	static int VBoxGuestNetBSDClose(struct file *fp);
117	static int VBoxGuestNetBSDIOCtl(struct file fp, u_long cmd, void addr);
118	static int VBoxGuestNetBSDPoll(struct file *fp, int events);
119	static void VBoxGuestNetBSDAttach(device_t, device_t, void*);
120	static int VBoxGuestNetBSDDetach(device_t pDevice, int flags);
121
122	/*
123	* IRQ related functions.
124	*/
125	static void VBoxGuestNetBSDRemoveIRQ(vboxguest_softc *sc);
126	static int VBoxGuestNetBSDAddIRQ(vboxguest_softc pvState, struct pci_attach_args pa);
127	static int VBoxGuestNetBSDISR(void *pvState);
128
129
130	/*********************************************************************************************************************************
131	* Global Variables *
132	*********************************************************************************************************************************/
133	/*
134	* The /dev/vboxguest character device entry points.
135	*/
136	static struct cdevsw g_VBoxGuestNetBSDChrDevSW =
137	{
138	VBoxGuestNetBSDOpen,
139	noclose,
140	noread,
141	nowrite,
142	noioctl,
143	nostop,
144	notty,
145	nopoll,
146	nommap,
147	nokqfilter,
148	};
149
150	static const struct fileops vboxguest_fileops = {
151	.fo_read = fbadop_read,
152	.fo_write = fbadop_write,
153	.fo_ioctl = VBoxGuestNetBSDIOCtl,
154	.fo_fcntl = fnullop_fcntl,
155	.fo_poll = VBoxGuestNetBSDPoll,
156	.fo_stat = fbadop_stat,
157	.fo_close = VBoxGuestNetBSDClose,
158	.fo_kqfilter = fnullop_kqfilter,
159	.fo_restart = fnullop_restart
160	};
161
162	/** Device extention & session data association structure. */
163	static VBOXGUESTDEVEXT g_DevExt;
164	/** Reference counter */
165	static volatile uint32_t cUsers;
166	/** selinfo structure used for polling. */
167	static struct selinfo g_SelInfo;
168
169	CFDRIVER_DECL(vboxguest, DV_DULL, NULL);
170	extern struct cfdriver vboxguest_cd;
171
172	/**
173	* File open handler
174	*
175	*/
176	static int VBoxGuestNetBSDOpen(dev_t device, int flags, int fmt, struct lwp *process)
177	{
178	int rc;
179	vboxguest_softc *vboxguest;
180	struct vboxguest_session *session;
181	file_t *fp;
182	int fd, error;
183
184	LogFlow((DEVICE_NAME ": %s\n", __func__));
185
186	if ((vboxguest = device_lookup_private(&vboxguest_cd, minor(device))) == NULL) {
187	printf("device_lookup_private failed\n");
188	return (ENXIO);
189	}
190	if ((vboxguest->vboxguest_state & VBOXGUEST_STATE_INITOK) == 0) {
191	aprint_error_dev(vboxguest->sc_dev, "device not configured\n");
192	return (ENXIO);
193	}
194
195	session = kmem_alloc(sizeof(*session), KM_SLEEP);
196	if (session == NULL) {
197	return (ENOMEM);
198	}
199
200	session->sc = vboxguest;
201
202	if ((error = fd_allocfile(&fp, &fd)) != 0) {
203	kmem_free(session, sizeof(*session));
204	return error;
205	}
206
207	/*
208	* Create a new session.
209	*/
210	rc = VGDrvCommonCreateUserSession(&g_DevExt, &session->session);
211	if (! RT_SUCCESS(rc))
212	{
213	aprint_error_dev(vboxguest->sc_dev, "VBox session creation failed\n");
214	closef(fp); /* ??? */
215	kmem_free(session, sizeof(*session));
216	return RTErrConvertToErrno(rc);
217	}
218	ASMAtomicIncU32(&cUsers);
219	return fd_clone(fp, fd, flags, &vboxguest_fileops, session);
220
221	}
222
223	/**
224	* File close handler
225	*
226	*/
227	static int VBoxGuestNetBSDClose(struct file *fp)
228	{
229	struct vboxguest_session *session = fp->f_data;
230	vboxguest_softc *vboxguest = session->sc;
231
232	LogFlow((DEVICE_NAME ": %s\n", __func__));
233
234	VGDrvCommonCloseSession(&g_DevExt, session->session);
235	ASMAtomicDecU32(&cUsers);
236
237	kmem_free(session, sizeof(*session));
238
239	return 0;
240	}
241
242	/**
243	* IOCTL handler
244	*
245	*/
246	static int VBoxGuestNetBSDIOCtl(struct file fp, u_long command, void data)
247	{
248	struct vboxguest_session *session = fp->f_data;
249	vboxguest_softc *vboxguest = session->sc;
250
251	int rc = 0;
252
253	LogFlow((DEVICE_NAME ": %s: command=%#lx data=%p\n",
254	__func__, command, data));
255
256	/*
257	* Validate the request wrapper.
258	*/
259	if (IOCPARM_LEN(command) != sizeof(VBGLBIGREQ)) {
260	Log((DEVICE_NAME ": %s: bad request %#lx size=%lu expected=%zu\n",
261	__func__, command, IOCPARM_LEN(command), sizeof(VBGLBIGREQ)));
262	return ENOTTY;
263	}
264
265	PVBGLBIGREQ ReqWrap = (PVBGLBIGREQ)data;
266	if (ReqWrap->u32Magic != VBGLBIGREQ_MAGIC)
267	{
268	Log((DEVICE_NAME ": %s: bad magic %#" PRIx32 "; pArg=%p Cmd=%#lx\n",
269	__func__, ReqWrap->u32Magic, data, command));
270	return EINVAL;
271	}
272	if (RT_UNLIKELY( ReqWrap->cbData == 0
273	\|\| ReqWrap->cbData > _1M*16))
274	{
275	Log((DEVICE_NAME ": %s: bad size %" PRIu32 "; pArg=%p Cmd=%#lx\n",
276	__func__, ReqWrap->cbData, data, command));
277	return EINVAL;
278	}
279
280	/*
281	* Read the request.
282	*/
283	void *pvBuf = RTMemTmpAlloc(ReqWrap->cbData);
284	if (RT_UNLIKELY(!pvBuf))
285	{
286	Log((DEVICE_NAME ": %s: RTMemTmpAlloc failed to alloc %" PRIu32 " bytes.\n",
287	__func__, ReqWrap->cbData));
288	return ENOMEM;
289	}
290
291	rc = copyin((void *)(uintptr_t)ReqWrap->pvDataR3, pvBuf, ReqWrap->cbData);
292	if (RT_UNLIKELY(rc))
293	{
294	RTMemTmpFree(pvBuf);
295	Log((DEVICE_NAME ": %s: copyin failed; pvBuf=%p pArg=%p Cmd=%#lx. rc=%d\n",
296	__func__, pvBuf, data, command, rc));
297	aprint_error_dev(vboxguest->sc_dev, "copyin failed\n");
298	return EFAULT;
299	}
300	if (RT_UNLIKELY( ReqWrap->cbData != 0
301	&& !VALID_PTR(pvBuf)))
302	{
303	RTMemTmpFree(pvBuf);
304	Log((DEVICE_NAME ": %s: invalid pvBuf=%p\n",
305	__func__, pvBuf));
306	return EINVAL;
307	}
308
309	/*
310	* Process the IOCtl.
311	*/
312	size_t cbDataReturned;
313	rc = VGDrvCommonIoCtl(command, &g_DevExt, session->session, pvBuf, ReqWrap->cbData, &cbDataReturned);
314	if (RT_SUCCESS(rc)) {
315	rc = 0;
316	if (RT_UNLIKELY(cbDataReturned > ReqWrap->cbData))
317	{
318	Log((DEVICE_NAME ": %s: too much output data %zu expected %" PRIu32 "\n",
319	__func__, cbDataReturned, ReqWrap->cbData));
320	cbDataReturned = ReqWrap->cbData;
321	}
322	if (cbDataReturned > 0)
323	{
324	rc = copyout(pvBuf, (void *)(uintptr_t)ReqWrap->pvDataR3, cbDataReturned);
325	if (RT_UNLIKELY(rc))
326	{
327	Log((DEVICE_NAME ": %s: copyout failed; pvBuf=%p pArg=%p. rc=%d\n",
328	__func__, pvBuf, data, rc));
329	}
330	}
331	} else {
332	Log((DEVICE_NAME ": %s: VGDrvCommonIoCtl failed. rc=%d\n",
333	__func__, rc));
334	rc = -rc;
335	}
336	RTMemTmpFree(pvBuf);
337	return rc;
338	}
339
340	static int VBoxGuestNetBSDPoll(struct file *fp, int events)
341	{
342	struct vboxguest_session *session = fp->f_data;
343	vboxguest_softc *vboxguest = session->sc;
344
345	int rc = 0;
346	int events_processed;
347
348	uint32_t u32CurSeq;
349
350	LogFlow((DEVICE_NAME ": %s\n", __func__));
351
352	u32CurSeq = ASMAtomicUoReadU32(&g_DevExt.u32MousePosChangedSeq);
353	if (session->session->u32MousePosChangedSeq != u32CurSeq) {
354	events_processed = events & (POLLIN \| POLLRDNORM);
355	session->session->u32MousePosChangedSeq = u32CurSeq;
356	} else {
357	events_processed = 0;
358
359	selrecord(curlwp, &g_SelInfo);
360	}
361
362	return events_processed;
363	}
364
365	static int VBoxGuestNetBSDDetach(device_t self, int flags)
366	{
367	vboxguest_softc *vboxguest;
368	vboxguest = device_private(self);
369
370	LogFlow((DEVICE_NAME ": %s\n", __func__));
371
372	if (cUsers > 0)
373	return EBUSY;
374
375	if ((vboxguest->vboxguest_state & VBOXGUEST_STATE_INITOK) == 0) {
376	return 0;
377	}
378
379	/*
380	* Reverse what we did in VBoxGuestNetBSDAttach.
381	*/
382
383	VBoxGuestNetBSDRemoveIRQ(vboxguest);
384
385	VGDrvCommonDeleteDevExt(&g_DevExt);
386
387	bus_space_unmap(vboxguest->iVMMDevMemResId, vboxguest->VMMDevMemHandle, vboxguest->VMMDevMemSize);
388	bus_space_unmap(vboxguest->io_tag, vboxguest->io_handle, vboxguest->io_regsize);
389
390	RTR0Term();
391
392	return 0;
393	}
394
395	/**
396	* Interrupt service routine.
397	*
398	* @returns Whether the interrupt was from VMMDev.
399	* @param pvState Opaque pointer to the device state.
400	*/
401	static int VBoxGuestNetBSDISR(void *pvState)
402	{
403	LogFlow((DEVICE_NAME ": %s: pvState=%p\n", __func__, pvState));
404
405	bool fOurIRQ = VGDrvCommonISR(&g_DevExt);
406
407	return fOurIRQ ? 0 : 1;
408	}
409
410	void VGDrvNativeISRMousePollEvent(PVBOXGUESTDEVEXT pDevExt)
411	{
412	LogFlow((DEVICE_NAME ": %s\n", __func__));
413
414	/*
415	* Wake up poll waiters.
416	*/
417	selnotify(&g_SelInfo, 0, 0);
418	}
419
420	/**
421	* Sets IRQ for VMMDev.
422	*
423	* @returns NetBSD error code.
424	* @param vboxguest Pointer to the state info structure.
425	* @param pa Pointer to the PCI attach arguments.
426	*/
427	static int VBoxGuestNetBSDAddIRQ(vboxguest_softc vboxguest, struct pci_attach_args pa)
428	{
429	int iResId = 0;
430	int rc = 0;
431	const char *intrstr;
432	#if __NetBSD_Prereq__(6, 99, 39)
433	char intstrbuf[100];
434	#endif
435
436	LogFlow((DEVICE_NAME ": %s\n", __func__));
437
438	if (pci_intr_map(pa, &vboxguest->ih)) {
439	aprint_error_dev(vboxguest->sc_dev, "couldn't map interrupt.\n");
440	return VERR_DEV_IO_ERROR;
441	}
442	intrstr = pci_intr_string(vboxguest->pc, vboxguest->ih
443	#if __NetBSD_Prereq__(6, 99, 39)
444	, intstrbuf, sizeof(intstrbuf)
445	#endif
446	);
447	aprint_normal_dev(vboxguest->sc_dev, "interrupting at %s\n", intrstr);
448	vboxguest->pfnIrqHandler = pci_intr_establish(vboxguest->pc, vboxguest->ih, IPL_BIO, VBoxGuestNetBSDISR, vboxguest);
449	if (vboxguest->pfnIrqHandler == NULL) {
450	aprint_error_dev(vboxguest->sc_dev, "couldn't establish interrupt\n");
451	return VERR_DEV_IO_ERROR;
452	}
453
454	return VINF_SUCCESS;
455	}
456
457	/**
458	* Removes IRQ for VMMDev.
459	*
460	* @param vboxguest Opaque pointer to the state info structure.
461	*/
462	static void VBoxGuestNetBSDRemoveIRQ(vboxguest_softc *vboxguest)
463	{
464	LogFlow((DEVICE_NAME ": %s\n", __func__));
465
466	if (vboxguest->pfnIrqHandler)
467	{
468	pci_intr_disestablish(vboxguest->pc, vboxguest->pfnIrqHandler);
469	}
470	}
471
472	static void VBoxGuestNetBSDAttach(device_t parent, device_t self, void *aux)
473	{
474	int rc = VINF_SUCCESS;
475	int iResId = 0;
476	vboxguest_softc *vboxguest;
477	struct pci_attach_args *pa = aux;
478	bus_space_tag_t iot, memt;
479	bus_space_handle_t ioh, memh;
480	bus_dma_segment_t seg;
481	int ioh_valid, memh_valid;
482
483	cUsers = 0;
484
485	aprint_normal(": VirtualBox Guest\n");
486
487	vboxguest = device_private(self);
488	vboxguest->sc_dev = self;
489
490	/*
491	* Initialize IPRT R0 driver, which internally calls OS-specific r0 init.
492	*/
493	rc = RTR0Init(0);
494	if (RT_FAILURE(rc))
495	{
496	LogFunc(("RTR0Init failed.\n"));
497	aprint_error_dev(vboxguest->sc_dev, "RTR0Init failed\n");
498	return ;
499	}
500
501	vboxguest->pc = pa->pa_pc;
502
503	/*
504	* Allocate I/O port resource.
505	*/
506	ioh_valid = (pci_mapreg_map(pa, PCI_MAPREG_START, PCI_MAPREG_TYPE_IO, 0, &vboxguest->io_tag, &vboxguest->io_handle, &vboxguest->uIOPortBase, &vboxguest->io_regsize) == 0);
507
508	if (ioh_valid)
509	{
510
511	/*
512	* Map the MMIO region.
513	*/
514	memh_valid = (pci_mapreg_map(pa, PCI_MAPREG_START+4, PCI_MAPREG_TYPE_MEM, BUS_SPACE_MAP_LINEAR, &vboxguest->iVMMDevMemResId, &vboxguest->VMMDevMemHandle, &vboxguest->pMMIOBase, &vboxguest->VMMDevMemSize) == 0);
515	if (memh_valid)
516	{
517	/*
518	* Call the common device extension initializer.
519	*/
520	rc = VGDrvCommonInitDevExt(&g_DevExt, vboxguest->uIOPortBase,
521	bus_space_vaddr(vboxguest->iVMMDevMemResId,
522	vboxguest->VMMDevMemHandle),
523	vboxguest->VMMDevMemSize,
524	#if ARCH_BITS == 64
525	VBOXOSTYPE_NetBSD_x64,
526	#else
527	VBOXOSTYPE_NetBSD,
528	#endif
529	VMMDEV_EVENT_MOUSE_POSITION_CHANGED);
530	if (RT_SUCCESS(rc))
531	{
532	/*
533	* Add IRQ of VMMDev.
534	*/
535	rc = VBoxGuestNetBSDAddIRQ(vboxguest, pa);
536	if (RT_SUCCESS(rc))
537	{
538	vboxguest->vboxguest_state \|= VBOXGUEST_STATE_INITOK;
539	return ;
540	}
541	VGDrvCommonDeleteDevExt(&g_DevExt);
542	} else {
543	aprint_error_dev(vboxguest->sc_dev, "init failed\n");
544	}
545	bus_space_unmap(vboxguest->iVMMDevMemResId, vboxguest->VMMDevMemHandle, vboxguest->VMMDevMemSize);
546	} else {
547	aprint_error_dev(vboxguest->sc_dev, "MMIO mapping failed\n");
548	}
549	bus_space_unmap(vboxguest->io_tag, vboxguest->io_handle, vboxguest->io_regsize);
550	} else {
551	aprint_error_dev(vboxguest->sc_dev, "IO mapping failed\n");
552	}
553
554	RTR0Term();
555	return ;
556	}
557
558	static int
559	VBoxGuestNetBSDMatch(device_t parent, cfdata_t match, void *aux)
560	{
561	const struct pci_attach_args *pa = aux;
562
563	if ( PCI_VENDOR(pa->pa_id) == VMMDEV_VENDORID
564	&& PCI_PRODUCT(pa->pa_id) == VMMDEV_DEVICEID)
565	{
566	return 1;
567	}
568
569	return 0;
570	}
571
572	/* Common code that depend on g_DevExt. */
573	#include "VBoxGuestIDC-unix.c.h"
574
575	CFATTACH_DECL_NEW(vboxguest, sizeof(vboxguest_softc),
576	VBoxGuestNetBSDMatch, VBoxGuestNetBSDAttach, VBoxGuestNetBSDDetach, NULL);
577
578	MODULE(MODULE_CLASS_DRIVER, vboxguest, "pci");
579
580	static int loc[2] = {-1, -1};
581
582	static const struct cfparent pspec = {
583	"pci", "pci", DVUNIT_ANY
584	};
585
586	static struct cfdata vboxguest_cfdata[] = {
587	{
588	.cf_name = "vboxguest",
589	.cf_atname = "vboxguest",
590	.cf_unit = 0, /* Only unit 0 is ever used */
591	.cf_fstate = FSTATE_STAR,
592	.cf_loc = loc,
593	.cf_flags = 0,
594	.cf_pspec = &pspec,
595	},
596	{ NULL, NULL, 0, 0, NULL, 0, NULL }
597	};
598
599	static int
600	vboxguest_modcmd(modcmd_t cmd, void *opaque)
601	{
602	devmajor_t bmajor, cmajor;
603	int error;
604	register_t retval;
605
606	LogFlow((DEVICE_NAME ": %s\n", __func__));
607
608	bmajor = cmajor = NODEVMAJOR;
609	switch (cmd) {
610	case MODULE_CMD_INIT:
611	error = config_cfdriver_attach(&vboxguest_cd);
612	if (error) {
613	printf("config_cfdriver_attach failed: %d", error);
614	break;
615	}
616	error = config_cfattach_attach(vboxguest_cd.cd_name, &vboxguest_ca);
617	if (error) {
618	config_cfdriver_detach(&vboxguest_cd);
619	printf("%s: unable to register cfattach\n", vboxguest_cd.cd_name);
620	break;
621	}
622
623	error = config_cfdata_attach(vboxguest_cfdata, 1);
624	if (error) {
625	printf("%s: unable to attach cfdata\n", vboxguest_cd.cd_name);
626	config_cfattach_detach(vboxguest_cd.cd_name, &vboxguest_ca);
627	config_cfdriver_detach(&vboxguest_cd);
628	break;
629	}
630
631	error = devsw_attach("vboxguest", NULL, &bmajor, &g_VBoxGuestNetBSDChrDevSW, &cmajor);
632
633	if (error == EEXIST)
634	error = 0; /* maybe built-in ... improve eventually */
635	if (error)
636	break;
637
638	error = do_sys_mknod(curlwp, "/dev/vboxguest", 0666\|S_IFCHR, makedev(cmajor, 0), &retval, UIO_SYSSPACE);
639	if (error == EEXIST)
640	error = 0;
641	break;
642	case MODULE_CMD_FINI:
643	error = config_cfdata_detach(vboxguest_cfdata);
644	if (error)
645	break;
646	error = config_cfattach_detach(vboxguest_cd.cd_name, &vboxguest_ca);
647	if (error)
648	break;
649	config_cfdriver_detach(&vboxguest_cd);
650	error = devsw_detach(NULL, &g_VBoxGuestNetBSDChrDevSW);
651	break;
652	default:
653	return ENOTTY;
654	}
655	return error;
656	}

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source: vbox/trunk/src/VBox/Additions/common/VBoxGuest/VBoxGuest-netbsd.c@ 63454

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