VBoxGuest-solaris.c@ 35517

Last change on this file since 35517 was 34521, checked in by vboxsync, 14 years ago
VBoxGuest: Report 64-bit OS types (only linux got this right earlier).
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 29.0 KB

Line
1	/* $Id: VBoxGuest-solaris.c 34521 2010-11-30 14:35:40Z vboxsync $ */
2	/** @file
3	* VirtualBox Guest Additions Driver for Solaris.
4	*/
5
6	/*
7	* Copyright (C) 2007 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
19	/*******************************************************************************
20	* Header Files *
21	*******************************************************************************/
22	#include <sys/conf.h>
23	#include <sys/modctl.h>
24	#include <sys/mutex.h>
25	#include <sys/pci.h>
26	#include <sys/stat.h>
27	#include <sys/ddi.h>
28	#include <sys/ddi_intr.h>
29	#include <sys/sunddi.h>
30	#include <sys/open.h>
31	#undef u /* /usr/include/sys/user.h:249:1 is where this is defined to (curproc->p_user). very cool. */
32
33	#include "VBoxGuestInternal.h"
34	#include <VBox/log.h>
35	#include <VBox/version.h>
36	#include <iprt/assert.h>
37	#include <iprt/initterm.h>
38	#include <iprt/process.h>
39	#include <iprt/mem.h>
40	#include <iprt/cdefs.h>
41	#include <iprt/asm.h>
42
43
44	/*******************************************************************************
45	* Defined Constants And Macros *
46	*******************************************************************************/
47	/** The module name. */
48	#define DEVICE_NAME "vboxguest"
49	/** The module description as seen in 'modinfo'. */
50	#define DEVICE_DESC "VirtualBox GstDrv"
51
52
53	/*******************************************************************************
54	* Internal Functions *
55	*******************************************************************************/
56	static int VBoxGuestSolarisOpen(dev_t pDev, int fFlag, int fType, cred_t pCred);
57	static int VBoxGuestSolarisClose(dev_t Dev, int fFlag, int fType, cred_t *pCred);
58	static int VBoxGuestSolarisRead(dev_t Dev, struct uio pUio, cred_t pCred);
59	static int VBoxGuestSolarisWrite(dev_t Dev, struct uio pUio, cred_t pCred);
60	static int VBoxGuestSolarisIOCtl(dev_t Dev, int Cmd, intptr_t pArg, int Mode, cred_t pCred, int pVal);
61	static int VBoxGuestSolarisPoll(dev_t Dev, short fEvents, int fAnyYet, short pReqEvents, struct pollhead *ppPollHead);
62
63	static int VBoxGuestSolarisGetInfo(dev_info_t pDip, ddi_info_cmd_t enmCmd, void pArg, void **ppResult);
64	static int VBoxGuestSolarisAttach(dev_info_t *pDip, ddi_attach_cmd_t enmCmd);
65	static int VBoxGuestSolarisDetach(dev_info_t *pDip, ddi_detach_cmd_t enmCmd);
66
67	static int VBoxGuestSolarisAddIRQ(dev_info_t *pDip);
68	static void VBoxGuestSolarisRemoveIRQ(dev_info_t *pDip);
69	static uint_t VBoxGuestSolarisISR(caddr_t Arg);
70
71
72	/*******************************************************************************
73	* Structures and Typedefs *
74	*******************************************************************************/
75	/**
76	* cb_ops: for drivers that support char/block entry points
77	*/
78	static struct cb_ops g_VBoxGuestSolarisCbOps =
79	{
80	VBoxGuestSolarisOpen,
81	VBoxGuestSolarisClose,
82	nodev, /* b strategy */
83	nodev, /* b dump */
84	nodev, /* b print */
85	VBoxGuestSolarisRead,
86	VBoxGuestSolarisWrite,
87	VBoxGuestSolarisIOCtl,
88	nodev, /* c devmap */
89	nodev, /* c mmap */
90	nodev, /* c segmap */
91	VBoxGuestSolarisPoll,
92	ddi_prop_op, /* property ops */
93	NULL, /* streamtab */
94	D_NEW \| D_MP, /* compat. flag */
95	CB_REV /* revision */
96	};
97
98	/**
99	* dev_ops: for driver device operations
100	*/
101	static struct dev_ops g_VBoxGuestSolarisDevOps =
102	{
103	DEVO_REV, /* driver build revision */
104	0, /* ref count */
105	VBoxGuestSolarisGetInfo,
106	nulldev, /* identify */
107	nulldev, /* probe */
108	VBoxGuestSolarisAttach,
109	VBoxGuestSolarisDetach,
110	nodev, /* reset */
111	&g_VBoxGuestSolarisCbOps,
112	(struct bus_ops *)0,
113	nodev /* power */
114	};
115
116	/**
117	* modldrv: export driver specifics to the kernel
118	*/
119	static struct modldrv g_VBoxGuestSolarisModule =
120	{
121	&mod_driverops, /* extern from kernel */
122	DEVICE_DESC " " VBOX_VERSION_STRING "r" RT_XSTR(VBOX_SVN_REV),
123	&g_VBoxGuestSolarisDevOps
124	};
125
126	/**
127	* modlinkage: export install/remove/info to the kernel
128	*/
129	static struct modlinkage g_VBoxGuestSolarisModLinkage =
130	{
131	MODREV_1, /* loadable module system revision */
132	&g_VBoxGuestSolarisModule,
133	NULL /* terminate array of linkage structures */
134	};
135
136	/**
137	* State info for each open file handle.
138	*/
139	typedef struct
140	{
141	/** Pointer to the session handle. */
142	PVBOXGUESTSESSION pSession;
143	/** The process reference for posting signals */
144	void *pvProcRef;
145	} vboxguest_state_t;
146
147
148	/*******************************************************************************
149	* Global Variables *
150	*******************************************************************************/
151	/** Device handle (we support only one instance). */
152	static dev_info_t *g_pDip = NULL;
153	/** Opaque pointer to file-descriptor states */
154	static void *g_pVBoxGuestSolarisState = NULL;
155	/** Device extention & session data association structure. */
156	static VBOXGUESTDEVEXT g_DevExt;
157	/** IO port handle. */
158	static ddi_acc_handle_t g_PciIOHandle;
159	/** MMIO handle. */
160	static ddi_acc_handle_t g_PciMMIOHandle;
161	/** IO Port. */
162	static uint16_t g_uIOPortBase;
163	/** Address of the MMIO region.*/
164	static caddr_t g_pMMIOBase;
165	/** Size of the MMIO region. */
166	static off_t g_cbMMIO;
167	/** Pointer to the interrupt handle vector */
168	static ddi_intr_handle_t *g_pIntr;
169	/** Number of actually allocated interrupt handles */
170	static size_t g_cIntrAllocated;
171	/** The pollhead structure */
172	static pollhead_t g_PollHead;
173	/** The IRQ Mutex */
174	static kmutex_t g_IrqMtx;
175
176	/**
177	* Kernel entry points
178	*/
179	int _init(void)
180	{
181	/*
182	* Initialize IPRT R0 driver, which internally calls OS-specific r0 init.
183	*/
184	int rc = RTR0Init(0);
185	if (RT_SUCCESS(rc))
186	{
187	PRTLOGGER pRelLogger;
188	static const char * const s_apszGroups[] = VBOX_LOGGROUP_NAMES;
189	rc = RTLogCreate(&pRelLogger, 0 /* fFlags */, "all",
190	"VBOX_RELEASE_LOG", RT_ELEMENTS(s_apszGroups), s_apszGroups,
191	RTLOGDEST_STDOUT \| RTLOGDEST_DEBUGGER, NULL);
192	if (RT_SUCCESS(rc))
193	RTLogRelSetDefaultInstance(pRelLogger);
194	else
195	cmn_err(CE_NOTE, "failed to initialize driver logging rc=%d!\n", rc);
196
197	/*
198	* Prevent module autounloading.
199	*/
200	modctl_t *pModCtl = mod_getctl(&g_VBoxGuestSolarisModLinkage);
201	if (pModCtl)
202	pModCtl->mod_loadflags \|= MOD_NOAUTOUNLOAD;
203	else
204	LogRel((DEVICE_NAME ":failed to disable autounloading!\n"));
205
206	rc = ddi_soft_state_init(&g_pVBoxGuestSolarisState, sizeof(vboxguest_state_t), 1);
207	if (!rc)
208	{
209	rc = mod_install(&g_VBoxGuestSolarisModLinkage);
210	if (rc)
211	ddi_soft_state_fini(&g_pVBoxGuestSolarisState);
212	}
213	}
214	else
215	{
216	cmn_err(CE_NOTE, "_init: RTR0Init failed. rc=%d\n", rc);
217	return EINVAL;
218	}
219
220	return rc;
221	}
222
223
224	int _fini(void)
225	{
226	LogFlow((DEVICE_NAME ":_fini\n"));
227	int rc = mod_remove(&g_VBoxGuestSolarisModLinkage);
228	if (!rc)
229	ddi_soft_state_fini(&g_pVBoxGuestSolarisState);
230
231	RTLogDestroy(RTLogRelSetDefaultInstance(NULL));
232	RTLogDestroy(RTLogSetDefaultInstance(NULL));
233
234	RTR0Term();
235	return rc;
236	}
237
238
239	int _info(struct modinfo *pModInfo)
240	{
241	LogFlow((DEVICE_NAME ":_info\n"));
242	return mod_info(&g_VBoxGuestSolarisModLinkage, pModInfo);
243	}
244
245
246	/**
247	* Attach entry point, to attach a device to the system or resume it.
248	*
249	* @param pDip The module structure instance.
250	* @param enmCmd Attach type (ddi_attach_cmd_t)
251	*
252	* @return corresponding solaris error code.
253	*/
254	static int VBoxGuestSolarisAttach(dev_info_t *pDip, ddi_attach_cmd_t enmCmd)
255	{
256	LogFlow((DEVICE_NAME "::Attach\n"));
257	switch (enmCmd)
258	{
259	case DDI_ATTACH:
260	{
261	if (g_pDip)
262	{
263	LogRel((DEVICE_NAME "::Attach: Only one instance supported.\n"));
264	return DDI_FAILURE;
265	}
266
267	int instance = ddi_get_instance(pDip);
268
269	/*
270	* Enable resources for PCI access.
271	*/
272	ddi_acc_handle_t PciHandle;
273	int rc = pci_config_setup(pDip, &PciHandle);
274	if (rc == DDI_SUCCESS)
275	{
276	/*
277	* Map the register address space.
278	*/
279	caddr_t baseAddr;
280	ddi_device_acc_attr_t deviceAttr;
281	deviceAttr.devacc_attr_version = DDI_DEVICE_ATTR_V0;
282	deviceAttr.devacc_attr_endian_flags = DDI_NEVERSWAP_ACC;
283	deviceAttr.devacc_attr_dataorder = DDI_STRICTORDER_ACC;
284	deviceAttr.devacc_attr_access = DDI_DEFAULT_ACC;
285	rc = ddi_regs_map_setup(pDip, 1, &baseAddr, 0, 0, &deviceAttr, &g_PciIOHandle);
286	if (rc == DDI_SUCCESS)
287	{
288	/*
289	* Read size of the MMIO region.
290	*/
291	g_uIOPortBase = (uintptr_t)baseAddr;
292	rc = ddi_dev_regsize(pDip, 2, &g_cbMMIO);
293	if (rc == DDI_SUCCESS)
294	{
295	rc = ddi_regs_map_setup(pDip, 2, &g_pMMIOBase, 0, g_cbMMIO, &deviceAttr,
296	&g_PciMMIOHandle);
297	if (rc == DDI_SUCCESS)
298	{
299	/*
300	* Add IRQ of VMMDev.
301	*/
302	rc = VBoxGuestSolarisAddIRQ(pDip);
303	if (rc == DDI_SUCCESS)
304	{
305	/*
306	* Call the common device extension initializer.
307	*/
308	rc = VBoxGuestInitDevExt(&g_DevExt, g_uIOPortBase, g_pMMIOBase, g_cbMMIO,
309	#if ARCH_BITS == 64
310	VBOXOSTYPE_Solaris_x64,
311	#else
312	VBOXOSTYPE_Solaris,
313	#endif
314	VMMDEV_EVENT_MOUSE_POSITION_CHANGED);
315	if (RT_SUCCESS(rc))
316	{
317	rc = ddi_create_minor_node(pDip, DEVICE_NAME, S_IFCHR, instance, DDI_PSEUDO, 0);
318	if (rc == DDI_SUCCESS)
319	{
320	g_pDip = pDip;
321	pci_config_teardown(&PciHandle);
322	return DDI_SUCCESS;
323	}
324
325	LogRel((DEVICE_NAME "::Attach: ddi_create_minor_node failed.\n"));
326	VBoxGuestDeleteDevExt(&g_DevExt);
327	}
328	else
329	LogRel((DEVICE_NAME "::Attach: VBoxGuestInitDevExt failed.\n"));
330	VBoxGuestSolarisRemoveIRQ(pDip);
331	}
332	else
333	LogRel((DEVICE_NAME "::Attach: VBoxGuestSolarisAddIRQ failed.\n"));
334	ddi_regs_map_free(&g_PciMMIOHandle);
335	}
336	else
337	LogRel((DEVICE_NAME "::Attach: ddi_regs_map_setup for MMIO region failed.\n"));
338	}
339	else
340	LogRel((DEVICE_NAME "::Attach: ddi_dev_regsize for MMIO region failed.\n"));
341	ddi_regs_map_free(&g_PciIOHandle);
342	}
343	else
344	LogRel((DEVICE_NAME "::Attach: ddi_regs_map_setup for IOport failed.\n"));
345	pci_config_teardown(&PciHandle);
346	}
347	else
348	LogRel((DEVICE_NAME "::Attach: pci_config_setup failed rc=%d.\n", rc));
349	return DDI_FAILURE;
350	}
351
352	case DDI_RESUME:
353	{
354	/** @todo implement resume for guest driver. */
355	return DDI_SUCCESS;
356	}
357
358	default:
359	return DDI_FAILURE;
360	}
361	}
362
363
364	/**
365	* Detach entry point, to detach a device to the system or suspend it.
366	*
367	* @param pDip The module structure instance.
368	* @param enmCmd Attach type (ddi_attach_cmd_t)
369	*
370	* @return corresponding solaris error code.
371	*/
372	static int VBoxGuestSolarisDetach(dev_info_t *pDip, ddi_detach_cmd_t enmCmd)
373	{
374	LogFlow((DEVICE_NAME "::Detach\n"));
375	switch (enmCmd)
376	{
377	case DDI_DETACH:
378	{
379	VBoxGuestSolarisRemoveIRQ(pDip);
380	ddi_regs_map_free(&g_PciIOHandle);
381	ddi_regs_map_free(&g_PciMMIOHandle);
382	ddi_remove_minor_node(pDip, NULL);
383	VBoxGuestDeleteDevExt(&g_DevExt);
384	g_pDip = NULL;
385	return DDI_SUCCESS;
386	}
387
388	case DDI_SUSPEND:
389	{
390	/** @todo implement suspend for guest driver. */
391	return DDI_SUCCESS;
392	}
393
394	default:
395	return DDI_FAILURE;
396	}
397	}
398
399
400	/**
401	* Info entry point, called by solaris kernel for obtaining driver info.
402	*
403	* @param pDip The module structure instance (do not use).
404	* @param enmCmd Information request type.
405	* @param pvArg Type specific argument.
406	* @param ppvResult Where to store the requested info.
407	*
408	* @return corresponding solaris error code.
409	*/
410	static int VBoxGuestSolarisGetInfo(dev_info_t pDip, ddi_info_cmd_t enmCmd, void pvArg, void **ppvResult)
411	{
412	LogFlow((DEVICE_NAME "::GetInfo\n"));
413
414	int rc = DDI_SUCCESS;
415	switch (enmCmd)
416	{
417	case DDI_INFO_DEVT2DEVINFO:
418	ppvResult = (void )g_pDip;
419	break;
420
421	case DDI_INFO_DEVT2INSTANCE:
422	ppvResult = (void )(uintptr_t)ddi_get_instance(g_pDip);
423	break;
424
425	default:
426	rc = DDI_FAILURE;
427	break;
428	}
429
430	NOREF(pvArg);
431	return rc;
432	}
433
434
435	/**
436	* User context entry points
437	*/
438	static int VBoxGuestSolarisOpen(dev_t pDev, int fFlag, int fType, cred_t pCred)
439	{
440	int rc;
441	PVBOXGUESTSESSION pSession = NULL;
442
443	LogFlow((DEVICE_NAME "::Open\n"));
444
445	/*
446	* Verify we are being opened as a character device.
447	*/
448	if (fType != OTYP_CHR)
449	return EINVAL;
450
451	vboxguest_state_t *pState = NULL;
452	unsigned iOpenInstance;
453	for (iOpenInstance = 0; iOpenInstance < 4096; iOpenInstance++)
454	{
455	if ( !ddi_get_soft_state(g_pVBoxGuestSolarisState, iOpenInstance) /* faster */
456	&& ddi_soft_state_zalloc(g_pVBoxGuestSolarisState, iOpenInstance) == DDI_SUCCESS)
457	{
458	pState = ddi_get_soft_state(g_pVBoxGuestSolarisState, iOpenInstance);
459	break;
460	}
461	}
462	if (!pState)
463	{
464	Log((DEVICE_NAME "::Open: too many open instances."));
465	return ENXIO;
466	}
467
468	/*
469	* Create a new session.
470	*/
471	rc = VBoxGuestCreateUserSession(&g_DevExt, &pSession);
472	if (RT_SUCCESS(rc))
473	{
474	pState->pvProcRef = proc_ref();
475	pState->pSession = pSession;
476	pDev = makedevice(getmajor(pDev), iOpenInstance);
477	Log((DEVICE_NAME "::Open: pSession=%p pState=%p pid=%d\n", pSession, pState, (int)RTProcSelf()));
478	return 0;
479	}
480
481	/* Failed, clean up. */
482	ddi_soft_state_free(g_pVBoxGuestSolarisState, iOpenInstance);
483
484	LogRel((DEVICE_NAME "::Open: VBoxGuestCreateUserSession failed. rc=%d\n", rc));
485	return EFAULT;
486	}
487
488
489	static int VBoxGuestSolarisClose(dev_t Dev, int flag, int fType, cred_t *pCred)
490	{
491	LogFlow((DEVICE_NAME "::Close pid=%d\n", (int)RTProcSelf()));
492
493	PVBOXGUESTSESSION pSession = NULL;
494	vboxguest_state_t *pState = ddi_get_soft_state(g_pVBoxGuestSolarisState, getminor(Dev));
495	if (!pState)
496	{
497	Log((DEVICE_NAME "::Close: failed to get pState.\n"));
498	return EFAULT;
499	}
500
501	proc_unref(pState->pvProcRef);
502	pSession = pState->pSession;
503	pState->pSession = NULL;
504	Log((DEVICE_NAME "::Close: pSession=%p pState=%p\n", pSession, pState));
505	ddi_soft_state_free(g_pVBoxGuestSolarisState, getminor(Dev));
506	if (!pSession)
507	{
508	Log((DEVICE_NAME "::Close: failed to get pSession.\n"));
509	return EFAULT;
510	}
511
512	/*
513	* Close the session.
514	*/
515	VBoxGuestCloseSession(&g_DevExt, pSession);
516	return 0;
517	}
518
519
520	static int VBoxGuestSolarisRead(dev_t Dev, struct uio pUio, cred_t pCred)
521	{
522	LogFlow((DEVICE_NAME "::Read\n"));
523
524	vboxguest_state_t *pState = ddi_get_soft_state(g_pVBoxGuestSolarisState, getminor(Dev));
525	if (!pState)
526	{
527	Log((DEVICE_NAME "::Close: failed to get pState.\n"));
528	return EFAULT;
529	}
530
531	PVBOXGUESTSESSION pSession = pState->pSession;
532	uint32_t u32CurSeq = ASMAtomicUoReadU32(&g_DevExt.u32MousePosChangedSeq);
533	if (pSession->u32MousePosChangedSeq != u32CurSeq)
534	pSession->u32MousePosChangedSeq = u32CurSeq;
535
536	return 0;
537	}
538
539
540	static int VBoxGuestSolarisWrite(dev_t Dev, struct uio pUio, cred_t pCred)
541	{
542	LogFlow((DEVICE_NAME "::Write\n"));
543	return 0;
544	}
545
546
547	/** @def IOCPARM_LEN
548	* Gets the length from the ioctl number.
549	* This is normally defined by sys/ioccom.h on BSD systems...
550	*/
551	#ifndef IOCPARM_LEN
552	# define IOCPARM_LEN(Code) (((Code) >> 16) & IOCPARM_MASK)
553	#endif
554
555
556	/**
557	* Driver ioctl, an alternate entry point for this character driver.
558	*
559	* @param Dev Device number
560	* @param Cmd Operation identifier
561	* @param pArg Arguments from user to driver
562	* @param Mode Information bitfield (read/write, address space etc.)
563	* @param pCred User credentials
564	* @param pVal Return value for calling process.
565	*
566	* @return corresponding solaris error code.
567	*/
568	static int VBoxGuestSolarisIOCtl(dev_t Dev, int Cmd, intptr_t pArg, int Mode, cred_t pCred, int pVal)
569	{
570	LogFlow((DEVICE_NAME ":VBoxGuestSolarisIOCtl\n"));
571
572	/*
573	* Get the session from the soft state item.
574	*/
575	vboxguest_state_t *pState = ddi_get_soft_state(g_pVBoxGuestSolarisState, getminor(Dev));
576	if (!pState)
577	{
578	LogRel((DEVICE_NAME "::IOCtl: no state data for %d\n", getminor(Dev)));
579	return EINVAL;
580	}
581
582	PVBOXGUESTSESSION pSession = pState->pSession;
583	if (!pSession)
584	{
585	LogRel((DEVICE_NAME "::IOCtl: no session data for %d\n", getminor(Dev)));
586	return EINVAL;
587	}
588
589	/*
590	* Read and validate the request wrapper.
591	*/
592	VBGLBIGREQ ReqWrap;
593	if (IOCPARM_LEN(Cmd) != sizeof(ReqWrap))
594	{
595	LogRel((DEVICE_NAME "::IOCtl: bad request %#x size=%d expected=%d\n", Cmd, IOCPARM_LEN(Cmd), sizeof(ReqWrap)));
596	return ENOTTY;
597	}
598
599	int rc = ddi_copyin((void *)pArg, &ReqWrap, sizeof(ReqWrap), Mode);
600	if (RT_UNLIKELY(rc))
601	{
602	LogRel((DEVICE_NAME "::IOCtl: ddi_copyin failed to read header pArg=%p Cmd=%d. rc=%#x.\n", pArg, Cmd, rc));
603	return EINVAL;
604	}
605
606	if (ReqWrap.u32Magic != VBGLBIGREQ_MAGIC)
607	{
608	LogRel((DEVICE_NAME "::IOCtl: bad magic %#x; pArg=%p Cmd=%#x.\n", ReqWrap.u32Magic, pArg, Cmd));
609	return EINVAL;
610	}
611	if (RT_UNLIKELY(ReqWrap.cbData > _1M*16))
612	{
613	LogRel((DEVICE_NAME "::IOCtl: bad size %#x; pArg=%p Cmd=%#x.\n", ReqWrap.cbData, pArg, Cmd));
614	return EINVAL;
615	}
616
617	/*
618	* Read the request payload if any; requests like VBOXGUEST_IOCTL_CANCEL_ALL_WAITEVENTS have no data payload.
619	*/
620	void *pvBuf = NULL;
621	if (RT_LIKELY(ReqWrap.cbData > 0))
622	{
623	pvBuf = RTMemTmpAlloc(ReqWrap.cbData);
624	if (RT_UNLIKELY(!pvBuf))
625	{
626	LogRel((DEVICE_NAME "::IOCtl: RTMemTmpAlloc failed to alloc %d bytes.\n", ReqWrap.cbData));
627	return ENOMEM;
628	}
629
630	rc = ddi_copyin((void *)(uintptr_t)ReqWrap.pvDataR3, pvBuf, ReqWrap.cbData, Mode);
631	if (RT_UNLIKELY(rc))
632	{
633	RTMemTmpFree(pvBuf);
634	LogRel((DEVICE_NAME "::IOCtl: ddi_copyin failed; pvBuf=%p pArg=%p Cmd=%d. rc=%d\n", pvBuf, pArg, Cmd, rc));
635	return EFAULT;
636	}
637	if (RT_UNLIKELY(!VALID_PTR(pvBuf)))
638	{
639	RTMemTmpFree(pvBuf);
640	LogRel((DEVICE_NAME "::IOCtl: pvBuf invalid pointer %p\n", pvBuf));
641	return EINVAL;
642	}
643	}
644	Log((DEVICE_NAME "::IOCtl: pSession=%p pid=%d.\n", pSession, (int)RTProcSelf()));
645
646	/*
647	* Process the IOCtl.
648	*/
649	size_t cbDataReturned = 0;
650	rc = VBoxGuestCommonIOCtl(Cmd, &g_DevExt, pSession, pvBuf, ReqWrap.cbData, &cbDataReturned);
651	if (RT_SUCCESS(rc))
652	{
653	rc = 0;
654	if (RT_UNLIKELY(cbDataReturned > ReqWrap.cbData))
655	{
656	LogRel((DEVICE_NAME "::IOCtl: too much output data %d expected %d\n", cbDataReturned, ReqWrap.cbData));
657	cbDataReturned = ReqWrap.cbData;
658	}
659	if (cbDataReturned > 0)
660	{
661	rc = ddi_copyout(pvBuf, (void *)(uintptr_t)ReqWrap.pvDataR3, cbDataReturned, Mode);
662	if (RT_UNLIKELY(rc))
663	{
664	LogRel((DEVICE_NAME "::IOCtl: ddi_copyout failed; pvBuf=%p pArg=%p cbDataReturned=%u Cmd=%d. rc=%d\n",
665	pvBuf, pArg, cbDataReturned, Cmd, rc));
666	rc = EFAULT;
667	}
668	}
669	}
670	else
671	{
672	/*
673	* We Log() instead of LogRel() here because VBOXGUEST_IOCTL_WAITEVENT can return VERR_TIMEOUT,
674	* VBOXGUEST_IOCTL_CANCEL_ALL_EVENTS can return VERR_INTERRUPTED and possibly more in the future;
675	* which are not really failures that require logging.
676	*/
677	Log((DEVICE_NAME "::IOCtl: VBoxGuestCommonIOCtl failed. Cmd=%#x rc=%d\n", Cmd, rc));
678	rc = RTErrConvertToErrno(rc);
679	}
680	*pVal = rc;
681	if (pvBuf)
682	RTMemTmpFree(pvBuf);
683	return rc;
684	}
685
686
687	static int VBoxGuestSolarisPoll(dev_t Dev, short fEvents, int fAnyYet, short pReqEvents, struct pollhead *ppPollHead)
688	{
689	LogFlow((DEVICE_NAME "::Poll: fEvents=%d fAnyYet=%d\n", fEvents, fAnyYet));
690
691	vboxguest_state_t *pState = ddi_get_soft_state(g_pVBoxGuestSolarisState, getminor(Dev));
692	if (RT_LIKELY(pState))
693	{
694	PVBOXGUESTSESSION pSession = (PVBOXGUESTSESSION)pState->pSession;
695	uint32_t u32CurSeq = ASMAtomicUoReadU32(&g_DevExt.u32MousePosChangedSeq);
696	if (pSession->u32MousePosChangedSeq != u32CurSeq)
697	{
698	*pReqEvents \|= (POLLIN \| POLLRDNORM);
699	pSession->u32MousePosChangedSeq = u32CurSeq;
700	}
701	else
702	{
703	*pReqEvents = 0;
704	if (!fAnyYet)
705	*ppPollHead = &g_PollHead;
706	}
707
708	return 0;
709	}
710	else
711	{
712	Log((DEVICE_NAME "::Poll: no state data for %d\n", getminor(Dev)));
713	return EINVAL;
714	}
715	}
716
717
718	/**
719	* Sets IRQ for VMMDev.
720	*
721	* @returns Solaris error code.
722	* @param pDip Pointer to the device info structure.
723	*/
724	static int VBoxGuestSolarisAddIRQ(dev_info_t *pDip)
725	{
726	LogFlow((DEVICE_NAME "::AddIRQ: pDip=%p\n", pDip));
727
728	int IntrType = 0;
729	int rc = ddi_intr_get_supported_types(pDip, &IntrType);
730	if (rc == DDI_SUCCESS)
731	{
732	/* We won't need to bother about MSIs. */
733	if (IntrType & DDI_INTR_TYPE_FIXED)
734	{
735	int IntrCount = 0;
736	rc = ddi_intr_get_nintrs(pDip, IntrType, &IntrCount);
737	if ( rc == DDI_SUCCESS
738	&& IntrCount > 0)
739	{
740	int IntrAvail = 0;
741	rc = ddi_intr_get_navail(pDip, IntrType, &IntrAvail);
742	if ( rc == DDI_SUCCESS
743	&& IntrAvail > 0)
744	{
745	/* Allocated kernel memory for the interrupt handles. The allocation size is stored internally. */
746	g_pIntr = RTMemAlloc(IntrCount * sizeof(ddi_intr_handle_t));
747	if (g_pIntr)
748	{
749	int IntrAllocated;
750	rc = ddi_intr_alloc(pDip, g_pIntr, IntrType, 0, IntrCount, &IntrAllocated, DDI_INTR_ALLOC_NORMAL);
751	if ( rc == DDI_SUCCESS
752	&& IntrAllocated > 0)
753	{
754	g_cIntrAllocated = IntrAllocated;
755	uint_t uIntrPriority;
756	rc = ddi_intr_get_pri(g_pIntr[0], &uIntrPriority);
757	if (rc == DDI_SUCCESS)
758	{
759	/* Initialize the mutex. */
760	mutex_init(&g_IrqMtx, NULL, MUTEX_DRIVER, DDI_INTR_PRI(uIntrPriority));
761
762	/* Assign interrupt handler functions and enable interrupts. */
763	for (int i = 0; i < IntrAllocated; i++)
764	{
765	rc = ddi_intr_add_handler(g_pIntr[i], (ddi_intr_handler_t *)VBoxGuestSolarisISR,
766	NULL /* No Private Data */, NULL);
767	if (rc == DDI_SUCCESS)
768	rc = ddi_intr_enable(g_pIntr[i]);
769	if (rc != DDI_SUCCESS)
770	{
771	/* Changing local IntrAllocated to hold so-far allocated handles for freeing. */
772	IntrAllocated = i;
773	break;
774	}
775	}
776	if (rc == DDI_SUCCESS)
777	return rc;
778
779	/* Remove any assigned handlers */
780	LogRel((DEVICE_NAME ":failed to assign IRQs allocated=%d\n", IntrAllocated));
781	for (int x = 0; x < IntrAllocated; x++)
782	ddi_intr_remove_handler(g_pIntr[x]);
783	}
784	else
785	LogRel((DEVICE_NAME "::AddIRQ: failed to get priority of interrupt. rc=%d\n", rc));
786
787	/* Remove allocated IRQs, too bad we can free only one handle at a time. */
788	for (int k = 0; k < g_cIntrAllocated; k++)
789	ddi_intr_free(g_pIntr[k]);
790	}
791	else
792	LogRel((DEVICE_NAME "::AddIRQ: failed to allocated IRQs. count=%d\n", IntrCount));
793	RTMemFree(g_pIntr);
794	}
795	else
796	LogRel((DEVICE_NAME "::AddIRQ: failed to allocated IRQs. count=%d\n", IntrCount));
797	}
798	else
799	LogRel((DEVICE_NAME "::AddIRQ: failed to get or insufficient available IRQs. rc=%d IntrAvail=%d\n", rc, IntrAvail));
800	}
801	else
802	LogRel((DEVICE_NAME "::AddIRQ: failed to get or insufficient number of IRQs. rc=%d IntrCount=%d\n", rc, IntrCount));
803	}
804	else
805	LogRel((DEVICE_NAME "::AddIRQ: invalid irq type. IntrType=%#x\n", IntrType));
806	}
807	else
808	LogRel((DEVICE_NAME "::AddIRQ: failed to get supported interrupt types\n"));
809	return rc;
810	}
811
812
813	/**
814	* Removes IRQ for VMMDev.
815	*
816	* @param pDip Pointer to the device info structure.
817	*/
818	static void VBoxGuestSolarisRemoveIRQ(dev_info_t *pDip)
819	{
820	LogFlow((DEVICE_NAME "::RemoveIRQ:\n"));
821
822	for (int i = 0; i < g_cIntrAllocated; i++)
823	{
824	int rc = ddi_intr_disable(g_pIntr[i]);
825	if (rc == DDI_SUCCESS)
826	{
827	rc = ddi_intr_remove_handler(g_pIntr[i]);
828	if (rc == DDI_SUCCESS)
829	ddi_intr_free(g_pIntr[i]);
830	}
831	}
832	RTMemFree(g_pIntr);
833	mutex_destroy(&g_IrqMtx);
834	}
835
836
837	/**
838	* Interrupt Service Routine for VMMDev.
839	*
840	* @param Arg Private data (unused, will be NULL).
841	* @returns DDI_INTR_CLAIMED if it's our interrupt, DDI_INTR_UNCLAIMED if it isn't.
842	*/
843	static uint_t VBoxGuestSolarisISR(caddr_t Arg)
844	{
845	LogFlow((DEVICE_NAME "::ISR:\n"));
846
847	mutex_enter(&g_IrqMtx);
848	bool fOurIRQ = VBoxGuestCommonISR(&g_DevExt);
849	mutex_exit(&g_IrqMtx);
850
851	return fOurIRQ ? DDI_INTR_CLAIMED : DDI_INTR_UNCLAIMED;
852	}
853
854
855	void VBoxGuestNativeISRMousePollEvent(PVBOXGUESTDEVEXT pDevExt)
856	{
857	LogFlow((DEVICE_NAME "::NativeISRMousePollEvent:\n"));
858
859	/*
860	* Wake up poll waiters.
861	*/
862	pollwakeup(&g_PollHead, POLLIN \| POLLRDNORM);
863	}
864
865
866	/* Common code that depend on g_DevExt. */
867	#include "VBoxGuestIDC-unix.c.h"
868

Note: See TracBrowser for help on using the repository browser.

source: vbox/trunk/src/VBox/Additions/common/VBoxGuest/VBoxGuest-solaris.c@ 35517

Download in other formats: