SUPDrvInternal.h@ 40611

Last change on this file since 40611 was 40611, checked in by vboxsync, 13 years ago
Init the dtrace bits...
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1	/* $Revision: 40611 $ */
2	/** @file
3	* VirtualBox Support Driver - Internal header.
4	*/
5
6	/*
7	* Copyright (C) 2006-2007 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	* The contents of this file may alternatively be used under the terms
18	* of the Common Development and Distribution License Version 1.0
19	* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
20	* VirtualBox OSE distribution, in which case the provisions of the
21	* CDDL are applicable instead of those of the GPL.
22	*
23	* You may elect to license modified versions of this file under the
24	* terms and conditions of either the GPL or the CDDL or both.
25	*/
26
27	#ifndef ___SUPDrvInternal_h
28	#define ___SUPDrvInternal_h
29
30
31	/*******************************************************************************
32	* Header Files *
33	*******************************************************************************/
34	#include <VBox/cdefs.h>
35	#include <VBox/types.h>
36	#include <VBox/sup.h>
37
38	#include <iprt/assert.h>
39	#include <iprt/list.h>
40	#include <iprt/memobj.h>
41	#include <iprt/time.h>
42	#include <iprt/timer.h>
43	#include <iprt/string.h>
44	#include <iprt/err.h>
45
46	#ifdef SUPDRV_AGNOSTIC
47	/* do nothing */
48
49	#elif defined(RT_OS_WINDOWS)
50	RT_C_DECLS_BEGIN
51	# if (_MSC_VER >= 1400) && !defined(VBOX_WITH_PATCHED_DDK)
52	# define _InterlockedExchange _InterlockedExchange_StupidDDKVsCompilerCrap
53	# define _InterlockedExchangeAdd _InterlockedExchangeAdd_StupidDDKVsCompilerCrap
54	# define _InterlockedCompareExchange _InterlockedCompareExchange_StupidDDKVsCompilerCrap
55	# define _InterlockedAddLargeStatistic _InterlockedAddLargeStatistic_StupidDDKVsCompilerCrap
56	# define _interlockedbittestandset _interlockedbittestandset_StupidDDKVsCompilerCrap
57	# define _interlockedbittestandreset _interlockedbittestandreset_StupidDDKVsCompilerCrap
58	# define _interlockedbittestandset64 _interlockedbittestandset64_StupidDDKVsCompilerCrap
59	# define _interlockedbittestandreset64 _interlockedbittestandreset64_StupidDDKVsCompilerCrap
60	# pragma warning(disable : 4163)
61	# include <ntddk.h>
62	# pragma warning(default : 4163)
63	# undef _InterlockedExchange
64	# undef _InterlockedExchangeAdd
65	# undef _InterlockedCompareExchange
66	# undef _InterlockedAddLargeStatistic
67	# undef _interlockedbittestandset
68	# undef _interlockedbittestandreset
69	# undef _interlockedbittestandset64
70	# undef _interlockedbittestandreset64
71	# else
72	# include <ntddk.h>
73	# endif
74	# include <memory.h>
75	# define memcmp(a,b,c) mymemcmp(a,b,c)
76	int VBOXCALL mymemcmp(const void , const void , size_t);
77	RT_C_DECLS_END
78
79	#elif defined(RT_OS_LINUX)
80	# include <linux/version.h>
81	# if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,33)
82	# include <generated/autoconf.h>
83	# else
84	# ifndef AUTOCONF_INCLUDED
85	# include <linux/autoconf.h>
86	# endif
87	# endif
88	# if defined(CONFIG_MODVERSIONS) && !defined(MODVERSIONS)
89	# define MODVERSIONS
90	# if LINUX_VERSION_CODE < KERNEL_VERSION(2, 5, 71)
91	# include <linux/modversions.h>
92	# endif
93	# endif
94	# if LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 0)
95	# undef ALIGN
96	# endif
97	# ifndef KBUILD_STR
98	# if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 16)
99	# define KBUILD_STR(s) s
100	# else
101	# define KBUILD_STR(s) #s
102	# endif
103	# endif
104	# include <linux/string.h>
105	# include <linux/spinlock.h>
106	# include <linux/slab.h>
107	# if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)
108	# include <linux/semaphore.h>
109	# else /* older kernels */
110	# include <asm/semaphore.h>
111	# endif /* older kernels */
112	# include <linux/timer.h>
113
114	#elif defined(RT_OS_DARWIN)
115	# include <libkern/libkern.h>
116	# include <iprt/string.h>
117
118	#elif defined(RT_OS_OS2)
119
120	#elif defined(RT_OS_FREEBSD)
121	# define memset libkern_memset /** @todo these are just hacks to get it compiling, check out later. */
122	# define memcmp libkern_memcmp
123	# define strchr libkern_strchr
124	# define strrchr libkern_strrchr
125	# define ffsl libkern_ffsl
126	# define fls libkern_fls
127	# define flsl libkern_flsl
128	# include <sys/libkern.h>
129	# undef memset
130	# undef memcmp
131	# undef strchr
132	# undef strrchr
133	# undef ffs
134	# undef ffsl
135	# undef fls
136	# undef flsl
137	# include <iprt/string.h>
138
139	#elif defined(RT_OS_SOLARIS)
140	# include <sys/cmn_err.h>
141	# include <iprt/string.h>
142
143	#else
144	# error "unsupported OS."
145	#endif
146
147	#include "SUPDrvIOC.h"
148	#include "SUPDrvIDC.h"
149
150
151
152	/*******************************************************************************
153	* Defined Constants And Macros *
154	*******************************************************************************/
155	/*
156	* Hardcoded cookies.
157	*/
158	#define BIRD 0x64726962 /* 'bird' */
159	#define BIRD_INV 0x62697264 /* 'drib' */
160
161
162	#ifdef RT_OS_WINDOWS
163	/** Use a normal mutex for the loader so we remain at the same IRQL after
164	* taking it.
165	* @todo fix the mutex implementation on linux and make this the default. */
166	# define SUPDRV_USE_MUTEX_FOR_LDR
167
168	/** Use a normal mutex for the GIP so we remain at the same IRQL after
169	* taking it.
170	* @todo fix the mutex implementation on linux and make this the default. */
171	# define SUPDRV_USE_MUTEX_FOR_GIP
172	#endif
173
174
175	/**
176	* OS debug print macro.
177	*/
178	#define OSDBGPRINT(a) SUPR0Printf a
179
180
181	/** @name Context values for the per-session handle tables.
182	* The context value is used to distinguish between the different kinds of
183	* handles, making the handle table API do all the work.
184	* @{ */
185	/** Handle context value for single release event handles. */
186	#define SUPDRV_HANDLE_CTX_EVENT ((void *)(uintptr_t)(SUPDRVOBJTYPE_SEM_EVENT))
187	/** Handle context value for multiple release event handles. */
188	#define SUPDRV_HANDLE_CTX_EVENT_MULTI ((void *)(uintptr_t)(SUPDRVOBJTYPE_SEM_EVENT_MULTI))
189	/** @} */
190
191
192	/**
193	* Validates a session pointer.
194	*
195	* @returns true/false accordingly.
196	* @param pSession The session.
197	*/
198	#define SUP_IS_SESSION_VALID(pSession) \
199	( VALID_PTR(pSession) \
200	&& pSession->u32Cookie == BIRD_INV)
201
202
203	/*******************************************************************************
204	* Structures and Typedefs *
205	*******************************************************************************/
206	/** Pointer to the device extension. */
207	typedef struct SUPDRVDEVEXT *PSUPDRVDEVEXT;
208
209
210	/**
211	* Memory reference types.
212	*/
213	typedef enum
214	{
215	/** Unused entry */
216	MEMREF_TYPE_UNUSED = 0,
217	/** Locked memory (r3 mapping only). */
218	MEMREF_TYPE_LOCKED,
219	/** Continuous memory block (r3 and r0 mapping). */
220	MEMREF_TYPE_CONT,
221	/** Low memory block (r3 and r0 mapping). */
222	MEMREF_TYPE_LOW,
223	/** Memory block (r3 and r0 mapping). */
224	MEMREF_TYPE_MEM,
225	/** Locked memory (r3 mapping only) allocated by the support driver. */
226	MEMREF_TYPE_PAGE,
227	/** Blow the type up to 32-bit and mark the end. */
228	MEMREF_TYPE_32BIT_HACK = 0x7fffffff
229	} SUPDRVMEMREFTYPE, *PSUPDRVMEMREFTYPE;
230
231
232	/**
233	* Structure used for tracking memory a session
234	* references in one way or another.
235	*/
236	typedef struct SUPDRVMEMREF
237	{
238	/** The memory object handle. */
239	RTR0MEMOBJ MemObj;
240	/** The ring-3 mapping memory object handle. */
241	RTR0MEMOBJ MapObjR3;
242	/** Type of memory. */
243	SUPDRVMEMREFTYPE eType;
244	} SUPDRVMEMREF, *PSUPDRVMEMREF;
245
246
247	/**
248	* Bundle of locked memory ranges.
249	*/
250	typedef struct SUPDRVBUNDLE
251	{
252	/** Pointer to the next bundle. */
253	struct SUPDRVBUNDLE * volatile pNext;
254	/** Referenced memory. */
255	SUPDRVMEMREF aMem[64];
256	/** Number of entries used. */
257	uint32_t volatile cUsed;
258	} SUPDRVBUNDLE, *PSUPDRVBUNDLE;
259
260
261	/**
262	* Loaded image.
263	*/
264	typedef struct SUPDRVLDRIMAGE
265	{
266	/** Next in chain. */
267	struct SUPDRVLDRIMAGE * volatile pNext;
268	/** Pointer to the image. */
269	void *pvImage;
270	/** Pointer to the allocated image buffer.
271	* pvImage is 32-byte aligned or it may governed by the native loader (this
272	* member is NULL then). */
273	void *pvImageAlloc;
274	/** Size of the image including the tables. This is mainly for verification
275	* of the load request. */
276	uint32_t cbImageWithTabs;
277	/** Size of the image. */
278	uint32_t cbImageBits;
279	/** The number of entries in the symbol table. */
280	uint32_t cSymbols;
281	/** Pointer to the symbol table. */
282	PSUPLDRSYM paSymbols;
283	/** The offset of the string table. */
284	char *pachStrTab;
285	/** Size of the string table. */
286	uint32_t cbStrTab;
287	/** Pointer to the optional module initialization callback. */
288	PFNR0MODULEINIT pfnModuleInit;
289	/** Pointer to the optional module termination callback. */
290	PFNR0MODULETERM pfnModuleTerm;
291	/** Service request handler. This is NULL for non-service modules. */
292	PFNSUPR0SERVICEREQHANDLER pfnServiceReqHandler;
293	/** The ldr image state. (IOCtl code of last operation.) */
294	uint32_t uState;
295	/** Usage count. */
296	uint32_t volatile cUsage;
297	#ifdef RT_OS_WINDOWS
298	/** The section object for the loaded image (fNative=true). */
299	void *pvNtSectionObj;
300	/** Lock object. */
301	RTR0MEMOBJ hMemLock;
302	#endif
303	#if defined(RT_OS_SOLARIS) && defined(VBOX_WITH_NATIVE_SOLARIS_LOADING)
304	/** The Solaris module ID. */
305	int idSolMod;
306	/** Pointer to the module control structure. */
307	struct modctl *pSolModCtl;
308	#endif
309	/** Whether it's loaded by the native loader or not. */
310	bool fNative;
311	/** Image name. */
312	char szName[32];
313	} SUPDRVLDRIMAGE, *PSUPDRVLDRIMAGE;
314
315
316	/** Image usage record. */
317	typedef struct SUPDRVLDRUSAGE
318	{
319	/** Next in chain. */
320	struct SUPDRVLDRUSAGE * volatile pNext;
321	/** The image. */
322	PSUPDRVLDRIMAGE pImage;
323	/** Load count. */
324	uint32_t volatile cUsage;
325	} SUPDRVLDRUSAGE, *PSUPDRVLDRUSAGE;
326
327
328	/**
329	* Component factory registration record.
330	*/
331	typedef struct SUPDRVFACTORYREG
332	{
333	/** Pointer to the next registration. */
334	struct SUPDRVFACTORYREG *pNext;
335	/** Pointer to the registered factory. */
336	PCSUPDRVFACTORY pFactory;
337	/** The session owning the factory.
338	* Used for deregistration and session cleanup. */
339	PSUPDRVSESSION pSession;
340	/** Length of the name. */
341	size_t cchName;
342	} SUPDRVFACTORYREG;
343	/** Pointer to a component factory registration record. */
344	typedef SUPDRVFACTORYREG *PSUPDRVFACTORYREG;
345	/** Pointer to a const component factory registration record. */
346	typedef SUPDRVFACTORYREG const *PCSUPDRVFACTORYREG;
347
348
349	/**
350	* Registered object.
351	* This takes care of reference counting and tracking data for access checks.
352	*/
353	typedef struct SUPDRVOBJ
354	{
355	/** Magic value (SUPDRVOBJ_MAGIC). */
356	uint32_t u32Magic;
357	/** The object type. */
358	SUPDRVOBJTYPE enmType;
359	/** Pointer to the next in the global list. */
360	struct SUPDRVOBJ * volatile pNext;
361	/** Pointer to the object destructor.
362	* This may be set to NULL if the image containing the destructor get unloaded. */
363	PFNSUPDRVDESTRUCTOR pfnDestructor;
364	/** User argument 1. */
365	void *pvUser1;
366	/** User argument 2. */
367	void *pvUser2;
368	/** The total sum of all per-session usage. */
369	uint32_t volatile cUsage;
370	/** The creator user id. */
371	RTUID CreatorUid;
372	/** The creator group id. */
373	RTGID CreatorGid;
374	/** The creator process id. */
375	RTPROCESS CreatorProcess;
376	} SUPDRVOBJ, *PSUPDRVOBJ;
377
378	/** Magic number for SUPDRVOBJ::u32Magic. (Dame Agatha Mary Clarissa Christie). */
379	#define SUPDRVOBJ_MAGIC 0x18900915
380	/** Dead number magic for SUPDRVOBJ::u32Magic. */
381	#define SUPDRVOBJ_MAGIC_DEAD 0x19760112
382
383	/**
384	* The per-session object usage record.
385	*/
386	typedef struct SUPDRVUSAGE
387	{
388	/** Pointer to the next in the list. */
389	struct SUPDRVUSAGE * volatile pNext;
390	/** Pointer to the object we're recording usage for. */
391	PSUPDRVOBJ pObj;
392	/** The usage count. */
393	uint32_t volatile cUsage;
394	} SUPDRVUSAGE, *PSUPDRVUSAGE;
395
396
397	/**
398	* Per session data.
399	* This is mainly for memory tracking.
400	*/
401	typedef struct SUPDRVSESSION
402	{
403	/** Pointer to the device extension. */
404	PSUPDRVDEVEXT pDevExt;
405	/** Session Cookie. */
406	uint32_t u32Cookie;
407
408	/** The VM associated with the session. */
409	PVM pVM;
410	/** Handle table for IPRT semaphore wrapper APIs.
411	* Programmable from R0 and R3. */
412	RTHANDLETABLE hHandleTable;
413	/** Load usage records. (protected by SUPDRVDEVEXT::mtxLdr) */
414	PSUPDRVLDRUSAGE volatile pLdrUsage;
415
416	/** Spinlock protecting the bundles and the GIP members. */
417	RTSPINLOCK Spinlock;
418	/** The ring-3 mapping of the GIP (readonly). */
419	RTR0MEMOBJ GipMapObjR3;
420	/** Set if the session is using the GIP. */
421	uint32_t fGipReferenced;
422	/** Bundle of locked memory objects. */
423	SUPDRVBUNDLE Bundle;
424	/** List of generic usage records. (protected by SUPDRVDEVEXT::SpinLock) */
425	PSUPDRVUSAGE volatile pUsage;
426
427	/** The user id of the session. (Set by the OS part.) */
428	RTUID Uid;
429	/** The group id of the session. (Set by the OS part.) */
430	RTGID Gid;
431	/** The process (id) of the session. */
432	RTPROCESS Process;
433	/** Which process this session is associated with.
434	* This is NIL_RTR0PROCESS for kernel sessions and valid for user ones. */
435	RTR0PROCESS R0Process;
436	#ifndef SUPDRV_AGNOSTIC
437	# if defined(RT_OS_DARWIN)
438	/** Pointer to the associated org_virtualbox_SupDrvClient object. */
439	void *pvSupDrvClient;
440	/** Whether this session has been opened or not. */
441	bool fOpened;
442	# endif
443	# if defined(RT_OS_OS2)
444	/** The system file number of this session. */
445	uint16_t sfn;
446	uint16_t Alignment; /*< Alignment /
447	# endif
448	# if defined(RT_OS_DARWIN) \|\| defined(RT_OS_OS2) \|\| defined(RT_OS_SOLARIS)
449	/** Pointer to the next session with the same hash. */
450	PSUPDRVSESSION pNextHash;
451	# endif
452	#endif /* !SUPDRV_AGNOSTIC */
453	} SUPDRVSESSION;
454
455
456	/**
457	* Device extension.
458	*/
459	typedef struct SUPDRVDEVEXT
460	{
461	/** Spinlock to serialize the initialization, usage counting and objects. */
462	RTSPINLOCK Spinlock;
463
464	/** List of registered objects. Protected by the spinlock. */
465	PSUPDRVOBJ volatile pObjs;
466	/** List of free object usage records. */
467	PSUPDRVUSAGE volatile pUsageFree;
468
469	/** Global cookie. */
470	uint32_t u32Cookie;
471	/** The actual size of SUPDRVSESSION. (SUPDRV_AGNOSTIC) */
472	uint32_t cbSession;
473
474	/** Loader mutex.
475	* This protects pvVMMR0, pvVMMR0Entry, pImages and SUPDRVSESSION::pLdrUsage. */
476	#ifdef SUPDRV_USE_MUTEX_FOR_LDR
477	RTSEMMUTEX mtxLdr;
478	#else
479	RTSEMFASTMUTEX mtxLdr;
480	#endif
481
482	/** VMM Module 'handle'.
483	* 0 if the code VMM isn't loaded and Idt are nops. */
484	void * volatile pvVMMR0;
485	/** VMMR0EntryInt() pointer. */
486	DECLR0CALLBACKMEMBER(int, pfnVMMR0EntryInt, (PVM pVM, unsigned uOperation, void *pvArg));
487	/** VMMR0EntryFast() pointer. */
488	DECLR0CALLBACKMEMBER(void, pfnVMMR0EntryFast, (PVM pVM, VMCPUID idCpu, unsigned uOperation));
489	/** VMMR0EntryEx() pointer. */
490	DECLR0CALLBACKMEMBER(int, pfnVMMR0EntryEx, (PVM pVM, VMCPUID idCpu, unsigned uOperation, PSUPVMMR0REQHDR pReq, uint64_t u64Arg, PSUPDRVSESSION pSession));
491
492	/** Linked list of loaded code. */
493	PSUPDRVLDRIMAGE volatile pLdrImages;
494
495	/** GIP mutex.
496	* Any changes to any of the GIP members requires ownership of this mutex,
497	* except on driver init and termination. */
498	#ifdef SUPDRV_USE_MUTEX_FOR_GIP
499	RTSEMMUTEX mtxGip;
500	#else
501	RTSEMFASTMUTEX mtxGip;
502	#endif
503	/** Pointer to the Global Info Page (GIP). */
504	PSUPGLOBALINFOPAGE pGip;
505	/** The physical address of the GIP. */
506	RTHCPHYS HCPhysGip;
507	/** Number of processes using the GIP.
508	* (The updates are suspend while cGipUsers is 0.)*/
509	uint32_t volatile cGipUsers;
510	/** The ring-0 memory object handle for the GIP page. */
511	RTR0MEMOBJ GipMemObj;
512	/** The GIP timer handle. */
513	PRTTIMER pGipTimer;
514	/** If non-zero we've successfully called RTTimerRequestSystemGranularity(). */
515	uint32_t u32SystemTimerGranularityGrant;
516	/** The CPU id of the GIP master.
517	* This CPU is responsible for the updating the common GIP data. */
518	RTCPUID volatile idGipMaster;
519
520	/** Component factory mutex.
521	* This protects pComponentFactoryHead and component factory querying. */
522	RTSEMFASTMUTEX mtxComponentFactory;
523	/** The head of the list of registered component factories. */
524	PSUPDRVFACTORYREG pComponentFactoryHead;
525
526	#ifdef VBOX_WITH_DTRACE_R0DRV
527	/** Lock protecting DtProviderList. */
528	RTSEMFASTMUTEX mtxDTrace;
529	/** List of DTrace providers (SUPDRVDTPROVIDER). */
530	RTLISTANCHOR DtProviderList;
531	#endif
532
533	/*
534	* Note! The non-agnostic bits must be a the very end of the structure!
535	*/
536	#ifndef SUPDRV_AGNOSTIC
537	# ifdef RT_OS_WINDOWS
538	/** Callback object returned by ExCreateCallback. */
539	PCALLBACK_OBJECT pObjPowerCallback;
540	/** Callback handle returned by ExRegisterCallback. */
541	PVOID hPowerCallback;
542	# endif
543	#endif
544	} SUPDRVDEVEXT;
545
546
547	RT_C_DECLS_BEGIN
548
549	/*******************************************************************************
550	* OS Specific Functions *
551	*******************************************************************************/
552	void VBOXCALL supdrvOSObjInitCreator(PSUPDRVOBJ pObj, PSUPDRVSESSION pSession);
553	bool VBOXCALL supdrvOSObjCanAccess(PSUPDRVOBJ pObj, PSUPDRVSESSION pSession, const char pszObjName, int prc);
554	bool VBOXCALL supdrvOSGetForcedAsyncTscMode(PSUPDRVDEVEXT pDevExt);
555	int VBOXCALL supdrvOSEnableVTx(bool fEnabled);
556
557	/**
558	* Try open the image using the native loader.
559	*
560	* @returns IPRT status code.
561	* @retval VERR_NOT_SUPPORTED if native loading isn't supported.
562	*
563	* @param pDevExt The device globals.
564	* @param pImage The image handle. pvImage should be set on
565	* success, pvImageAlloc can also be set if
566	* appropriate.
567	* @param pszFilename The file name - UTF-8, may containing UNIX
568	* slashes on non-UNIX systems.
569	*/
570	int VBOXCALL supdrvOSLdrOpen(PSUPDRVDEVEXT pDevExt, PSUPDRVLDRIMAGE pImage, const char *pszFilename);
571
572	/**
573	* Validates an entry point address.
574	*
575	* Called before supdrvOSLdrLoad.
576	*
577	* @returns IPRT status code.
578	* @param pDevExt The device globals.
579	* @param pImage The image data (still in the open state).
580	* @param pv The address within the image.
581	* @param pbImageBits The image bits as loaded by ring-3.
582	*/
583	int VBOXCALL supdrvOSLdrValidatePointer(PSUPDRVDEVEXT pDevExt, PSUPDRVLDRIMAGE pImage,
584	void pv, const uint8_t pbImageBits);
585
586	/**
587	* Load the image.
588	*
589	* @returns IPRT status code.
590	* @param pDevExt The device globals.
591	* @param pImage The image data (up to date). Adjust entrypoints
592	* and exports if necessary.
593	* @param pbImageBits The image bits as loaded by ring-3.
594	* @param pReq Pointer to the request packet so that the VMMR0
595	* entry points can be adjusted.
596	*/
597	int VBOXCALL supdrvOSLdrLoad(PSUPDRVDEVEXT pDevExt, PSUPDRVLDRIMAGE pImage, const uint8_t *pbImageBits, PSUPLDRLOAD pReq);
598
599
600	/**
601	* Unload the image.
602	*
603	* @param pDevExt The device globals.
604	* @param pImage The image data (mostly still valid).
605	*/
606	void VBOXCALL supdrvOSLdrUnload(PSUPDRVDEVEXT pDevExt, PSUPDRVLDRIMAGE pImage);
607
608
609	/*******************************************************************************
610	* Shared Functions *
611	*******************************************************************************/
612	/* SUPDrv.c */
613	int VBOXCALL supdrvIOCtl(uintptr_t uIOCtl, PSUPDRVDEVEXT pDevExt, PSUPDRVSESSION pSession, PSUPREQHDR pReqHdr);
614	int VBOXCALL supdrvIOCtlFast(uintptr_t uIOCtl, VMCPUID idCpu, PSUPDRVDEVEXT pDevExt, PSUPDRVSESSION pSession);
615	int VBOXCALL supdrvIDC(uintptr_t uIOCtl, PSUPDRVDEVEXT pDevExt, PSUPDRVSESSION pSession, PSUPDRVIDCREQHDR pReqHdr);
616	int VBOXCALL supdrvInitDevExt(PSUPDRVDEVEXT pDevExt, size_t cbSession);
617	void VBOXCALL supdrvDeleteDevExt(PSUPDRVDEVEXT pDevExt);
618	int VBOXCALL supdrvCreateSession(PSUPDRVDEVEXT pDevExt, bool fUser, PSUPDRVSESSION *ppSession);
619	void VBOXCALL supdrvCloseSession(PSUPDRVDEVEXT pDevExt, PSUPDRVSESSION pSession);
620	void VBOXCALL supdrvCleanupSession(PSUPDRVDEVEXT pDevExt, PSUPDRVSESSION pSession);
621
622	#ifdef VBOX_WITH_DTRACE_R0DRV
623	int VBOXCALL supdrvDTraceTerm(PSUPDRVDEVEXT pDevExt);
624	int VBOXCALL supdrvDTraceInit(PSUPDRVDEVEXT pDevExt);
625	#endif
626
627
628
629	RT_C_DECLS_END
630
631	#endif
632

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source: vbox/trunk/src/VBox/HostDrivers/Support/SUPDrvInternal.h@ 40611

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