SUPDrvIOC.h@ 54998

Last change on this file since 54998 was 54874, checked in by vboxsync, 10 years ago
SUPR0QueryVTCaps: Added SUPVTCAPS_VTX_UNRESTRICTED_GUEST return flag. Increased the minor SUPDrv version number.
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 53.0 KB

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1	/* $Revision: 54874 $ */
2	/** @file
3	* VirtualBox Support Driver - IOCtl definitions.
4	*/
5
6	/*
7	* Copyright (C) 2006-2015 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	* 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 ___SUPDrvIOC_h___
28	#define ___SUPDrvIOC_h___
29
30	/*
31	* Basic types.
32	*/
33	#include <iprt/types.h>
34	#include <VBox/sup.h>
35
36	/*
37	* IOCtl numbers.
38	* We're using the Win32 type of numbers here, thus the macros below.
39	* The SUP_IOCTL_FLAG macro is used to separate requests from 32-bit
40	* and 64-bit processes.
41	*/
42	#if defined(RT_ARCH_AMD64) \|\| defined(RT_ARCH_SPARC64)
43	# define SUP_IOCTL_FLAG 128
44	#elif defined(RT_ARCH_X86) \|\| defined(RT_ARCH_SPARC)
45	# define SUP_IOCTL_FLAG 0
46	#else
47	# error "dunno which arch this is!"
48	#endif
49
50	#ifdef RT_OS_WINDOWS
51	# ifndef CTL_CODE
52	# include <Windows.h>
53	# endif
54	/* Automatic buffering, size not encoded. */
55	# define SUP_CTL_CODE_SIZE(Function, Size) CTL_CODE(FILE_DEVICE_UNKNOWN, (Function) \| SUP_IOCTL_FLAG, METHOD_BUFFERED, FILE_WRITE_ACCESS)
56	# define SUP_CTL_CODE_BIG(Function) CTL_CODE(FILE_DEVICE_UNKNOWN, (Function) \| SUP_IOCTL_FLAG, METHOD_BUFFERED, FILE_WRITE_ACCESS)
57	# define SUP_CTL_CODE_FAST(Function) CTL_CODE(FILE_DEVICE_UNKNOWN, (Function) \| SUP_IOCTL_FLAG, METHOD_NEITHER, FILE_WRITE_ACCESS)
58	# define SUP_CTL_CODE_NO_SIZE(uIOCtl) (uIOCtl)
59
60	# define SUP_NT_STATUS_BASE UINT32_C(0xe9860000) /*< STATUS_SEVERITY_ERROR + C-bit + facility 0x986. /
61	# define SUP_NT_STATUS_IS_VBOX(a_rcNt) ( ((uint32_t)(a_rcNt) & 0xffff0000) == SUP_NT_STATUS_BASE )
62	# define SUP_NT_STATUS_TO_VBOX(a_rcNt) ( (int)((uint32_t)(a_rcNt) \| UINT32_C(0xffff0000)) )
63
64	/** NT device name for system access. */
65	# define SUPDRV_NT_DEVICE_NAME_SYS L"\\Device\\VBoxDrv"
66	/** NT device name for user access. */
67	# define SUPDRV_NT_DEVICE_NAME_USR L"\\Device\\VBoxDrvU"
68	# ifdef VBOX_WITH_HARDENING
69	/** NT device name for hardened stub access. */
70	# define SUPDRV_NT_DEVICE_NAME_STUB L"\\Device\\VBoxDrvStub"
71	/** NT device name for getting error information for failed VBoxDrv or
72	* VBoxDrvStub open. */
73	# define SUPDRV_NT_DEVICE_NAME_ERROR_INFO L"\\Device\\VBoxDrvErrorInfo"
74	# endif
75
76
77	#elif defined(RT_OS_SOLARIS)
78	/* No automatic buffering, size limited to 255 bytes. */
79	# include <sys/ioccom.h>
80	# define SUP_CTL_CODE_SIZE(Function, Size) _IOWRN('V', (Function) \| SUP_IOCTL_FLAG, sizeof(SUPREQHDR))
81	# define SUP_CTL_CODE_BIG(Function) _IOWRN('V', (Function) \| SUP_IOCTL_FLAG, sizeof(SUPREQHDR))
82	# define SUP_CTL_CODE_FAST(Function) _IO( 'V', (Function) \| SUP_IOCTL_FLAG)
83	# define SUP_CTL_CODE_NO_SIZE(uIOCtl) (uIOCtl)
84
85	#elif defined(RT_OS_OS2)
86	/* No automatic buffering, size not encoded. */
87	# define SUP_CTL_CATEGORY 0xc0
88	# define SUP_CTL_CODE_SIZE(Function, Size) ((unsigned char)(Function))
89	# define SUP_CTL_CODE_BIG(Function) ((unsigned char)(Function))
90	# define SUP_CTL_CATEGORY_FAST 0xc1
91	# define SUP_CTL_CODE_FAST(Function) ((unsigned char)(Function))
92	# define SUP_CTL_CODE_NO_SIZE(uIOCtl) (uIOCtl)
93
94	#elif defined(RT_OS_LINUX)
95	/* No automatic buffering, size limited to 16KB. */
96	# include <linux/ioctl.h>
97	# define SUP_CTL_CODE_SIZE(Function, Size) _IOC(_IOC_READ \| _IOC_WRITE, 'V', (Function) \| SUP_IOCTL_FLAG, (Size))
98	# define SUP_CTL_CODE_BIG(Function) _IO('V', (Function) \| SUP_IOCTL_FLAG)
99	# define SUP_CTL_CODE_FAST(Function) _IO('V', (Function) \| SUP_IOCTL_FLAG)
100	# define SUP_CTL_CODE_NO_SIZE(uIOCtl) ((uIOCtl) & ~IOCSIZE_MASK)
101
102	#elif defined(RT_OS_L4)
103	/* Implemented in suplib, no worries. */
104	# define SUP_CTL_CODE_SIZE(Function, Size) (Function)
105	# define SUP_CTL_CODE_BIG(Function) (Function)
106	# define SUP_CTL_CODE_FAST(Function) (Function)
107	# define SUP_CTL_CODE_NO_SIZE(uIOCtl) (uIOCtl)
108
109	#else /* BSD Like */
110	/* Automatic buffering, size limited to 4KB on BSD and 8KB on Darwin - commands the limit, 4KB. /
111	# include <sys/ioccom.h>
112	# define SUP_CTL_CODE_SIZE(Function, Size) _IOC(IOC_INOUT, 'V', (Function) \| SUP_IOCTL_FLAG, (Size))
113	# define SUP_CTL_CODE_BIG(Function) _IO('V', (Function) \| SUP_IOCTL_FLAG)
114	# define SUP_CTL_CODE_FAST(Function) _IO('V', (Function) \| SUP_IOCTL_FLAG)
115	# define SUP_CTL_CODE_NO_SIZE(uIOCtl) ( (uIOCtl) & ~_IOC(0,0,0,IOCPARM_MASK) )
116	#endif
117
118	/** Fast path IOCtl: VMMR0_DO_RAW_RUN */
119	#define SUP_IOCTL_FAST_DO_RAW_RUN SUP_CTL_CODE_FAST(64)
120	/** Fast path IOCtl: VMMR0_DO_HM_RUN */
121	#define SUP_IOCTL_FAST_DO_HM_RUN SUP_CTL_CODE_FAST(65)
122	/** Just a NOP call for profiling the latency of a fast ioctl call to VMMR0. */
123	#define SUP_IOCTL_FAST_DO_NOP SUP_CTL_CODE_FAST(66)
124
125	#ifdef RT_OS_DARWIN
126	/** Cookie used to fend off some unwanted clients to the IOService. */
127	# define SUP_DARWIN_IOSERVICE_COOKIE 0x64726962 /* 'bird' */
128	#endif
129
130
131	/*******************************************************************************
132	* Structures and Typedefs *
133	*******************************************************************************/
134	#ifdef RT_ARCH_AMD64
135	# pragma pack(8) /* paranoia. */
136	#else
137	# pragma pack(4) /* paranoia. */
138	#endif
139
140
141	/**
142	* Common In/Out header.
143	*/
144	typedef struct SUPREQHDR
145	{
146	/** Cookie. */
147	uint32_t u32Cookie;
148	/** Session cookie. */
149	uint32_t u32SessionCookie;
150	/** The size of the input. */
151	uint32_t cbIn;
152	/** The size of the output. */
153	uint32_t cbOut;
154	/** Flags. See SUPREQHDR_FLAGS_* for details and values. */
155	uint32_t fFlags;
156	/** The VBox status code of the operation, out direction only. */
157	int32_t rc;
158	} SUPREQHDR;
159	/** Pointer to a IOC header. */
160	typedef SUPREQHDR *PSUPREQHDR;
161
162	/** @name SUPREQHDR::fFlags values
163	* @{ */
164	/** Masks out the magic value. */
165	#define SUPREQHDR_FLAGS_MAGIC_MASK UINT32_C(0xff0000ff)
166	/** The generic mask. */
167	#define SUPREQHDR_FLAGS_GEN_MASK UINT32_C(0x0000ff00)
168	/** The request specific mask. */
169	#define SUPREQHDR_FLAGS_REQ_MASK UINT32_C(0x00ff0000)
170
171	/** There is extra input that needs copying on some platforms. */
172	#define SUPREQHDR_FLAGS_EXTRA_IN UINT32_C(0x00000100)
173	/** There is extra output that needs copying on some platforms. */
174	#define SUPREQHDR_FLAGS_EXTRA_OUT UINT32_C(0x00000200)
175
176	/** The magic value. */
177	#define SUPREQHDR_FLAGS_MAGIC UINT32_C(0x42000042)
178	/** The default value. Use this when no special stuff is requested. */
179	#define SUPREQHDR_FLAGS_DEFAULT SUPREQHDR_FLAGS_MAGIC
180	/** @} */
181
182
183	/** @name SUP_IOCTL_COOKIE
184	* @{
185	*/
186	/** Negotiate cookie. */
187	#define SUP_IOCTL_COOKIE SUP_CTL_CODE_SIZE(1, SUP_IOCTL_COOKIE_SIZE)
188	/** The request size. */
189	#define SUP_IOCTL_COOKIE_SIZE sizeof(SUPCOOKIE)
190	/** The SUPREQHDR::cbIn value. */
191	#define SUP_IOCTL_COOKIE_SIZE_IN sizeof(SUPREQHDR) + RT_SIZEOFMEMB(SUPCOOKIE, u.In)
192	/** The SUPREQHDR::cbOut value. */
193	#define SUP_IOCTL_COOKIE_SIZE_OUT sizeof(SUPREQHDR) + RT_SIZEOFMEMB(SUPCOOKIE, u.Out)
194	/** SUPCOOKIE_IN magic word. */
195	#define SUPCOOKIE_MAGIC "The Magic Word!"
196	/** The initial cookie. */
197	#define SUPCOOKIE_INITIAL_COOKIE 0x69726f74 /* 'tori' */
198
199	/** Current interface version.
200	* The upper 16-bit is the major version, the lower the minor version.
201	* When incompatible changes are made, the upper major number has to be changed.
202	*
203	* Update rules:
204	* -# Only update the major number when incompatible changes have been made to
205	* the IOC interface or the ABI provided via the functions returned by
206	* SUPQUERYFUNCS.
207	* -# When adding new features (new IOC number, new flags, new exports, ++)
208	* only update the minor number and change SUPLib.cpp to require the
209	* new IOC version.
210	* -# When incrementing the major number, clear the minor part and reset
211	* any IOC version requirements in SUPLib.cpp.
212	* -# When increment the major number, execute all pending work.
213	*
214	* @todo Pending work on next major version change:
215	* - (nothing)
216	*/
217	#define SUPDRV_IOC_VERSION 0x001f0005
218
219	/** SUP_IOCTL_COOKIE. */
220	typedef struct SUPCOOKIE
221	{
222	/** The header.
223	* u32Cookie must be set to SUPCOOKIE_INITIAL_COOKIE.
224	* u32SessionCookie should be set to some random value. */
225	SUPREQHDR Hdr;
226	union
227	{
228	struct
229	{
230	/** Magic word. */
231	char szMagic[16];
232	/** The requested interface version number. */
233	uint32_t u32ReqVersion;
234	/** The minimum interface version number. */
235	uint32_t u32MinVersion;
236	} In;
237	struct
238	{
239	/** Cookie. */
240	uint32_t u32Cookie;
241	/** Session cookie. */
242	uint32_t u32SessionCookie;
243	/** Interface version for this session. */
244	uint32_t u32SessionVersion;
245	/** The actual interface version in the driver. */
246	uint32_t u32DriverVersion;
247	/** Number of functions available for the SUP_IOCTL_QUERY_FUNCS request. */
248	uint32_t cFunctions;
249	/** Session handle. */
250	R0PTRTYPE(PSUPDRVSESSION) pSession;
251	} Out;
252	} u;
253	} SUPCOOKIE, *PSUPCOOKIE;
254	/** @} */
255
256
257	/** @name SUP_IOCTL_QUERY_FUNCS
258	* Query SUPR0 functions.
259	* @{
260	*/
261	#define SUP_IOCTL_QUERY_FUNCS(cFuncs) SUP_CTL_CODE_BIG(2)
262	#define SUP_IOCTL_QUERY_FUNCS_SIZE(cFuncs) RT_UOFFSETOF(SUPQUERYFUNCS, u.Out.aFunctions[(cFuncs)])
263	#define SUP_IOCTL_QUERY_FUNCS_SIZE_IN sizeof(SUPREQHDR)
264	#define SUP_IOCTL_QUERY_FUNCS_SIZE_OUT(cFuncs) SUP_IOCTL_QUERY_FUNCS_SIZE(cFuncs)
265
266	/** A function. */
267	typedef struct SUPFUNC
268	{
269	/** Name - mangled. */
270	char szName[32];
271	/** Address. */
272	RTR0PTR pfn;
273	} SUPFUNC, *PSUPFUNC;
274
275	typedef struct SUPQUERYFUNCS
276	{
277	/** The header. */
278	SUPREQHDR Hdr;
279	union
280	{
281	struct
282	{
283	/** Number of functions returned. */
284	uint32_t cFunctions;
285	/** Array of functions. */
286	SUPFUNC aFunctions[1];
287	} Out;
288	} u;
289	} SUPQUERYFUNCS, *PSUPQUERYFUNCS;
290	/** @} */
291
292
293	/** @name SUP_IOCTL_LDR_OPEN
294	* Open an image.
295	* @{
296	*/
297	#define SUP_IOCTL_LDR_OPEN SUP_CTL_CODE_SIZE(3, SUP_IOCTL_LDR_OPEN_SIZE)
298	#define SUP_IOCTL_LDR_OPEN_SIZE sizeof(SUPLDROPEN)
299	#define SUP_IOCTL_LDR_OPEN_SIZE_IN sizeof(SUPLDROPEN)
300	#define SUP_IOCTL_LDR_OPEN_SIZE_OUT (sizeof(SUPREQHDR) + RT_SIZEOFMEMB(SUPLDROPEN, u.Out))
301	typedef struct SUPLDROPEN
302	{
303	/** The header. */
304	SUPREQHDR Hdr;
305	union
306	{
307	struct
308	{
309	/** Size of the image we'll be loading (including tables). */
310	uint32_t cbImageWithTabs;
311	/** The size of the image bits. (Less or equal to cbImageWithTabs.) */
312	uint32_t cbImageBits;
313	/** Image name.
314	* This is the NAME of the image, not the file name. It is used
315	* to share code with other processes. (Max len is 32 chars!) */
316	char szName[32];
317	/** Image file name.
318	* This can be used to load the image using a native loader. */
319	char szFilename[260];
320	} In;
321	struct
322	{
323	/** The base address of the image. */
324	RTR0PTR pvImageBase;
325	/** Indicate whether or not the image requires loading. */
326	bool fNeedsLoading;
327	/** Indicates that we're using the native ring-0 loader. */
328	bool fNativeLoader;
329	} Out;
330	} u;
331	} SUPLDROPEN, *PSUPLDROPEN;
332	/** @} */
333
334
335	/** @name SUP_IOCTL_LDR_LOAD
336	* Upload the image bits.
337	* @{
338	*/
339	#define SUP_IOCTL_LDR_LOAD SUP_CTL_CODE_BIG(4)
340	#define SUP_IOCTL_LDR_LOAD_SIZE(cbImage) RT_UOFFSETOF(SUPLDRLOAD, u.In.abImage[cbImage])
341	#define SUP_IOCTL_LDR_LOAD_SIZE_IN(cbImage) RT_UOFFSETOF(SUPLDRLOAD, u.In.abImage[cbImage])
342	#define SUP_IOCTL_LDR_LOAD_SIZE_OUT sizeof(SUPREQHDR)
343
344	/**
345	* Module initialization callback function.
346	* This is called once after the module has been loaded.
347	*
348	* @returns 0 on success.
349	* @returns Appropriate error code on failure.
350	* @param hMod Image handle for use in APIs.
351	*/
352	typedef DECLCALLBACK(int) FNR0MODULEINIT(void *hMod);
353	/** Pointer to a FNR0MODULEINIT(). */
354	typedef R0PTRTYPE(FNR0MODULEINIT *) PFNR0MODULEINIT;
355
356	/**
357	* Module termination callback function.
358	* This is called once right before the module is being unloaded.
359	*
360	* @param hMod Image handle for use in APIs.
361	*/
362	typedef DECLCALLBACK(void) FNR0MODULETERM(void *hMod);
363	/** Pointer to a FNR0MODULETERM(). */
364	typedef R0PTRTYPE(FNR0MODULETERM *) PFNR0MODULETERM;
365
366	/**
367	* Symbol table entry.
368	*/
369	typedef struct SUPLDRSYM
370	{
371	/** Offset into of the string table. */
372	uint32_t offName;
373	/** Offset of the symbol relative to the image load address.
374	* @remarks When used inside the SUPDrv to calculate real addresses, it
375	* must be cast to int32_t for the sake of native loader support
376	* on Solaris. (The loader puts the and data in different
377	* memory areans, and the text one is generally higher.) */
378	uint32_t offSymbol;
379	} SUPLDRSYM;
380	/** Pointer to a symbol table entry. */
381	typedef SUPLDRSYM *PSUPLDRSYM;
382	/** Pointer to a const symbol table entry. */
383	typedef SUPLDRSYM const *PCSUPLDRSYM;
384
385	/**
386	* SUPLDRLOAD::u::In::EP type.
387	*/
388	typedef enum SUPLDRLOADEP
389	{
390	SUPLDRLOADEP_NOTHING = 0,
391	SUPLDRLOADEP_VMMR0,
392	SUPLDRLOADEP_SERVICE,
393	SUPLDRLOADEP_32BIT_HACK = 0x7fffffff
394	} SUPLDRLOADEP;
395
396	typedef struct SUPLDRLOAD
397	{
398	/** The header. */
399	SUPREQHDR Hdr;
400	union
401	{
402	struct
403	{
404	/** The address of module initialization function. Similar to _DLL_InitTerm(hmod, 0). */
405	RTR0PTR pfnModuleInit;
406	/** The address of module termination function. Similar to _DLL_InitTerm(hmod, 1). */
407	RTR0PTR pfnModuleTerm;
408	/** Special entry points. */
409	union
410	{
411	/** SUPLDRLOADEP_VMMR0. */
412	struct
413	{
414	/** The module handle (i.e. address). */
415	RTR0PTR pvVMMR0;
416	/** Address of VMMR0EntryInt function. */
417	RTR0PTR pvVMMR0EntryInt;
418	/** Address of VMMR0EntryFast function. */
419	RTR0PTR pvVMMR0EntryFast;
420	/** Address of VMMR0EntryEx function. */
421	RTR0PTR pvVMMR0EntryEx;
422	} VMMR0;
423	/** SUPLDRLOADEP_SERVICE. */
424	struct
425	{
426	/** The service request handler.
427	* (PFNR0SERVICEREQHANDLER isn't defined yet.) */
428	RTR0PTR pfnServiceReq;
429	/** Reserved, must be NIL. */
430	RTR0PTR apvReserved[3];
431	} Service;
432	} EP;
433	/** Address. */
434	RTR0PTR pvImageBase;
435	/** Entry point type. */
436	SUPLDRLOADEP eEPType;
437	/** The size of the image bits (starting at offset 0 and
438	* approaching offSymbols). */
439	uint32_t cbImageBits;
440	/** The offset of the symbol table. */
441	uint32_t offSymbols;
442	/** The number of entries in the symbol table. */
443	uint32_t cSymbols;
444	/** The offset of the string table. */
445	uint32_t offStrTab;
446	/** Size of the string table. */
447	uint32_t cbStrTab;
448	/** Size of image data in achImage. */
449	uint32_t cbImageWithTabs;
450	/** The image data. */
451	uint8_t abImage[1];
452	} In;
453	} u;
454	} SUPLDRLOAD, *PSUPLDRLOAD;
455	/** @} */
456
457
458	/** @name SUP_IOCTL_LDR_FREE
459	* Free an image.
460	* @{
461	*/
462	#define SUP_IOCTL_LDR_FREE SUP_CTL_CODE_SIZE(5, SUP_IOCTL_LDR_FREE_SIZE)
463	#define SUP_IOCTL_LDR_FREE_SIZE sizeof(SUPLDRFREE)
464	#define SUP_IOCTL_LDR_FREE_SIZE_IN sizeof(SUPLDRFREE)
465	#define SUP_IOCTL_LDR_FREE_SIZE_OUT sizeof(SUPREQHDR)
466	typedef struct SUPLDRFREE
467	{
468	/** The header. */
469	SUPREQHDR Hdr;
470	union
471	{
472	struct
473	{
474	/** Address. */
475	RTR0PTR pvImageBase;
476	} In;
477	} u;
478	} SUPLDRFREE, *PSUPLDRFREE;
479	/** @} */
480
481
482	/** @name SUP_IOCTL_LDR_LOCK_DOWN
483	* Lock down the image loader interface.
484	* @{
485	*/
486	#define SUP_IOCTL_LDR_LOCK_DOWN SUP_CTL_CODE_SIZE(38, SUP_IOCTL_LDR_LOCK_DOWN_SIZE)
487	#define SUP_IOCTL_LDR_LOCK_DOWN_SIZE sizeof(SUPREQHDR)
488	#define SUP_IOCTL_LDR_LOCK_DOWN_SIZE_IN sizeof(SUPREQHDR)
489	#define SUP_IOCTL_LDR_LOCK_DOWN_SIZE_OUT sizeof(SUPREQHDR)
490	/** @} */
491
492
493	/** @name SUP_IOCTL_LDR_GET_SYMBOL
494	* Get address of a symbol within an image.
495	* @{
496	*/
497	#define SUP_IOCTL_LDR_GET_SYMBOL SUP_CTL_CODE_SIZE(6, SUP_IOCTL_LDR_GET_SYMBOL_SIZE)
498	#define SUP_IOCTL_LDR_GET_SYMBOL_SIZE sizeof(SUPLDRGETSYMBOL)
499	#define SUP_IOCTL_LDR_GET_SYMBOL_SIZE_IN sizeof(SUPLDRGETSYMBOL)
500	#define SUP_IOCTL_LDR_GET_SYMBOL_SIZE_OUT (sizeof(SUPREQHDR) + RT_SIZEOFMEMB(SUPLDRGETSYMBOL, u.Out))
501	typedef struct SUPLDRGETSYMBOL
502	{
503	/** The header. */
504	SUPREQHDR Hdr;
505	union
506	{
507	struct
508	{
509	/** Address. */
510	RTR0PTR pvImageBase;
511	/** The symbol name. */
512	char szSymbol[64];
513	} In;
514	struct
515	{
516	/** The symbol address. */
517	RTR0PTR pvSymbol;
518	} Out;
519	} u;
520	} SUPLDRGETSYMBOL, *PSUPLDRGETSYMBOL;
521	/** @} */
522
523
524	/** @name SUP_IOCTL_CALL_VMMR0
525	* Call the R0 VMM Entry point.
526	* @{
527	*/
528	#define SUP_IOCTL_CALL_VMMR0(cbReq) SUP_CTL_CODE_SIZE(7, SUP_IOCTL_CALL_VMMR0_SIZE(cbReq))
529	#define SUP_IOCTL_CALL_VMMR0_NO_SIZE() SUP_CTL_CODE_SIZE(7, 0)
530	#define SUP_IOCTL_CALL_VMMR0_SIZE(cbReq) RT_UOFFSETOF(SUPCALLVMMR0, abReqPkt[cbReq])
531	#define SUP_IOCTL_CALL_VMMR0_SIZE_IN(cbReq) SUP_IOCTL_CALL_VMMR0_SIZE(cbReq)
532	#define SUP_IOCTL_CALL_VMMR0_SIZE_OUT(cbReq) SUP_IOCTL_CALL_VMMR0_SIZE(cbReq)
533	typedef struct SUPCALLVMMR0
534	{
535	/** The header. */
536	SUPREQHDR Hdr;
537	union
538	{
539	struct
540	{
541	/** The VM handle. */
542	PVMR0 pVMR0;
543	/** VCPU id. */
544	uint32_t idCpu;
545	/** Which operation to execute. */
546	uint32_t uOperation;
547	/** Argument to use when no request packet is supplied. */
548	uint64_t u64Arg;
549	} In;
550	} u;
551	/** The VMMR0Entry request packet. */
552	uint8_t abReqPkt[1];
553	} SUPCALLVMMR0, *PSUPCALLVMMR0;
554	/** @} */
555
556
557	/** @name SUP_IOCTL_CALL_VMMR0_BIG
558	* Version of SUP_IOCTL_CALL_VMMR0 for dealing with large requests.
559	* @{
560	*/
561	#define SUP_IOCTL_CALL_VMMR0_BIG SUP_CTL_CODE_BIG(27)
562	#define SUP_IOCTL_CALL_VMMR0_BIG_SIZE(cbReq) RT_UOFFSETOF(SUPCALLVMMR0, abReqPkt[cbReq])
563	#define SUP_IOCTL_CALL_VMMR0_BIG_SIZE_IN(cbReq) SUP_IOCTL_CALL_VMMR0_SIZE(cbReq)
564	#define SUP_IOCTL_CALL_VMMR0_BIG_SIZE_OUT(cbReq) SUP_IOCTL_CALL_VMMR0_SIZE(cbReq)
565	/** @} */
566
567
568	/** @name SUP_IOCTL_LOW_ALLOC
569	* Allocate memory below 4GB (physically).
570	* @{
571	*/
572	#define SUP_IOCTL_LOW_ALLOC SUP_CTL_CODE_BIG(8)
573	#define SUP_IOCTL_LOW_ALLOC_SIZE(cPages) ((uint32_t)RT_UOFFSETOF(SUPLOWALLOC, u.Out.aPages[cPages]))
574	#define SUP_IOCTL_LOW_ALLOC_SIZE_IN (sizeof(SUPREQHDR) + RT_SIZEOFMEMB(SUPLOWALLOC, u.In))
575	#define SUP_IOCTL_LOW_ALLOC_SIZE_OUT(cPages) SUP_IOCTL_LOW_ALLOC_SIZE(cPages)
576	typedef struct SUPLOWALLOC
577	{
578	/** The header. */
579	SUPREQHDR Hdr;
580	union
581	{
582	struct
583	{
584	/** Number of pages to allocate. */
585	uint32_t cPages;
586	} In;
587	struct
588	{
589	/** The ring-3 address of the allocated memory. */
590	RTR3PTR pvR3;
591	/** The ring-0 address of the allocated memory. */
592	RTR0PTR pvR0;
593	/** Array of pages. */
594	RTHCPHYS aPages[1];
595	} Out;
596	} u;
597	} SUPLOWALLOC, *PSUPLOWALLOC;
598	/** @} */
599
600
601	/** @name SUP_IOCTL_LOW_FREE
602	* Free low memory.
603	* @{
604	*/
605	#define SUP_IOCTL_LOW_FREE SUP_CTL_CODE_SIZE(9, SUP_IOCTL_LOW_FREE_SIZE)
606	#define SUP_IOCTL_LOW_FREE_SIZE sizeof(SUPLOWFREE)
607	#define SUP_IOCTL_LOW_FREE_SIZE_IN sizeof(SUPLOWFREE)
608	#define SUP_IOCTL_LOW_FREE_SIZE_OUT sizeof(SUPREQHDR)
609	typedef struct SUPLOWFREE
610	{
611	/** The header. */
612	SUPREQHDR Hdr;
613	union
614	{
615	struct
616	{
617	/** The ring-3 address of the memory to free. */
618	RTR3PTR pvR3;
619	} In;
620	} u;
621	} SUPLOWFREE, *PSUPLOWFREE;
622	/** @} */
623
624
625	/** @name SUP_IOCTL_PAGE_ALLOC_EX
626	* Allocate memory and map it into kernel and/or user space. The memory is of
627	* course locked. The result should be freed using SUP_IOCTL_PAGE_FREE.
628	*
629	* @remarks Allocations without a kernel mapping may fail with
630	* VERR_NOT_SUPPORTED on some platforms.
631	*
632	* @{
633	*/
634	#define SUP_IOCTL_PAGE_ALLOC_EX SUP_CTL_CODE_BIG(10)
635	#define SUP_IOCTL_PAGE_ALLOC_EX_SIZE(cPages) RT_UOFFSETOF(SUPPAGEALLOCEX, u.Out.aPages[cPages])
636	#define SUP_IOCTL_PAGE_ALLOC_EX_SIZE_IN (sizeof(SUPREQHDR) + RT_SIZEOFMEMB(SUPPAGEALLOCEX, u.In))
637	#define SUP_IOCTL_PAGE_ALLOC_EX_SIZE_OUT(cPages) SUP_IOCTL_PAGE_ALLOC_EX_SIZE(cPages)
638	typedef struct SUPPAGEALLOCEX
639	{
640	/** The header. */
641	SUPREQHDR Hdr;
642	union
643	{
644	struct
645	{
646	/** Number of pages to allocate */
647	uint32_t cPages;
648	/** Whether it should have kernel mapping. */
649	bool fKernelMapping;
650	/** Whether it should have a user mapping. */
651	bool fUserMapping;
652	/** Reserved. Must be false. */
653	bool fReserved0;
654	/** Reserved. Must be false. */
655	bool fReserved1;
656	} In;
657	struct
658	{
659	/** Returned ring-3 address. */
660	RTR3PTR pvR3;
661	/** Returned ring-0 address. */
662	RTR0PTR pvR0;
663	/** The physical addresses of the allocated pages. */
664	RTHCPHYS aPages[1];
665	} Out;
666	} u;
667	} SUPPAGEALLOCEX, *PSUPPAGEALLOCEX;
668	/** @} */
669
670
671	/** @name SUP_IOCTL_PAGE_MAP_KERNEL
672	* Maps a portion of memory allocated by SUP_IOCTL_PAGE_ALLOC_EX /
673	* SUPR0PageAllocEx into kernel space for use by a device or similar.
674	*
675	* The mapping will be freed together with the ring-3 mapping when
676	* SUP_IOCTL_PAGE_FREE or SUPR0PageFree is called.
677	*
678	* @remarks Not necessarily supported on all platforms.
679	*
680	* @{
681	*/
682	#define SUP_IOCTL_PAGE_MAP_KERNEL SUP_CTL_CODE_SIZE(11, SUP_IOCTL_PAGE_MAP_KERNEL_SIZE)
683	#define SUP_IOCTL_PAGE_MAP_KERNEL_SIZE sizeof(SUPPAGEMAPKERNEL)
684	#define SUP_IOCTL_PAGE_MAP_KERNEL_SIZE_IN sizeof(SUPPAGEMAPKERNEL)
685	#define SUP_IOCTL_PAGE_MAP_KERNEL_SIZE_OUT sizeof(SUPPAGEMAPKERNEL)
686	typedef struct SUPPAGEMAPKERNEL
687	{
688	/** The header. */
689	SUPREQHDR Hdr;
690	union
691	{
692	struct
693	{
694	/** The pointer of to the previously allocated memory. */
695	RTR3PTR pvR3;
696	/** The offset to start mapping from. */
697	uint32_t offSub;
698	/** Size of the section to map. */
699	uint32_t cbSub;
700	/** Flags reserved for future fun. */
701	uint32_t fFlags;
702	} In;
703	struct
704	{
705	/** The ring-0 address corresponding to pvR3 + offSub. */
706	RTR0PTR pvR0;
707	} Out;
708	} u;
709	} SUPPAGEMAPKERNEL, *PSUPPAGEMAPKERNEL;
710	/** @} */
711
712
713	/** @name SUP_IOCTL_PAGE_PROTECT
714	* Changes the page level protection of the user and/or kernel mappings of
715	* memory previously allocated by SUPR0PageAllocEx.
716	*
717	* @remarks Not necessarily supported on all platforms.
718	*
719	* @{
720	*/
721	#define SUP_IOCTL_PAGE_PROTECT SUP_CTL_CODE_SIZE(12, SUP_IOCTL_PAGE_PROTECT_SIZE)
722	#define SUP_IOCTL_PAGE_PROTECT_SIZE sizeof(SUPPAGEPROTECT)
723	#define SUP_IOCTL_PAGE_PROTECT_SIZE_IN sizeof(SUPPAGEPROTECT)
724	#define SUP_IOCTL_PAGE_PROTECT_SIZE_OUT sizeof(SUPPAGEPROTECT)
725	typedef struct SUPPAGEPROTECT
726	{
727	/** The header. */
728	SUPREQHDR Hdr;
729	union
730	{
731	struct
732	{
733	/** The pointer of to the previously allocated memory.
734	* Pass NIL_RTR3PTR if the ring-0 mapping should remain unaffected. */
735	RTR3PTR pvR3;
736	/** The pointer of to the previously allocated memory.
737	* Pass NIL_RTR0PTR if the ring-0 mapping should remain unaffected. */
738	RTR0PTR pvR0;
739	/** The offset to start changing protection at. */
740	uint32_t offSub;
741	/** Size of the portion that should be changed. */
742	uint32_t cbSub;
743	/** Protection flags, RTMEM_PROT_. /
744	uint32_t fProt;
745	} In;
746	} u;
747	} SUPPAGEPROTECT, *PSUPPAGEPROTECT;
748	/** @} */
749
750
751	/** @name SUP_IOCTL_PAGE_FREE
752	* Free memory allocated with SUP_IOCTL_PAGE_ALLOC_EX.
753	* @{
754	*/
755	#define SUP_IOCTL_PAGE_FREE SUP_CTL_CODE_SIZE(13, SUP_IOCTL_PAGE_FREE_SIZE_IN)
756	#define SUP_IOCTL_PAGE_FREE_SIZE sizeof(SUPPAGEFREE)
757	#define SUP_IOCTL_PAGE_FREE_SIZE_IN sizeof(SUPPAGEFREE)
758	#define SUP_IOCTL_PAGE_FREE_SIZE_OUT sizeof(SUPREQHDR)
759	typedef struct SUPPAGEFREE
760	{
761	/** The header. */
762	SUPREQHDR Hdr;
763	union
764	{
765	struct
766	{
767	/** Address of memory range to free. */
768	RTR3PTR pvR3;
769	} In;
770	} u;
771	} SUPPAGEFREE, *PSUPPAGEFREE;
772	/** @} */
773
774
775
776
777	/** @name SUP_IOCTL_PAGE_LOCK
778	* Pin down physical pages.
779	* @{
780	*/
781	#define SUP_IOCTL_PAGE_LOCK SUP_CTL_CODE_BIG(14)
782	#define SUP_IOCTL_PAGE_LOCK_SIZE(cPages) (RT_MAX((size_t)SUP_IOCTL_PAGE_LOCK_SIZE_IN, (size_t)SUP_IOCTL_PAGE_LOCK_SIZE_OUT(cPages)))
783	#define SUP_IOCTL_PAGE_LOCK_SIZE_IN (sizeof(SUPREQHDR) + RT_SIZEOFMEMB(SUPPAGELOCK, u.In))
784	#define SUP_IOCTL_PAGE_LOCK_SIZE_OUT(cPages) RT_UOFFSETOF(SUPPAGELOCK, u.Out.aPages[cPages])
785	typedef struct SUPPAGELOCK
786	{
787	/** The header. */
788	SUPREQHDR Hdr;
789	union
790	{
791	struct
792	{
793	/** Start of page range. Must be PAGE aligned. */
794	RTR3PTR pvR3;
795	/** The range size given as a page count. */
796	uint32_t cPages;
797	} In;
798
799	struct
800	{
801	/** Array of pages. */
802	RTHCPHYS aPages[1];
803	} Out;
804	} u;
805	} SUPPAGELOCK, *PSUPPAGELOCK;
806	/** @} */
807
808
809	/** @name SUP_IOCTL_PAGE_UNLOCK
810	* Unpin physical pages.
811	* @{ */
812	#define SUP_IOCTL_PAGE_UNLOCK SUP_CTL_CODE_SIZE(15, SUP_IOCTL_PAGE_UNLOCK_SIZE)
813	#define SUP_IOCTL_PAGE_UNLOCK_SIZE sizeof(SUPPAGEUNLOCK)
814	#define SUP_IOCTL_PAGE_UNLOCK_SIZE_IN sizeof(SUPPAGEUNLOCK)
815	#define SUP_IOCTL_PAGE_UNLOCK_SIZE_OUT sizeof(SUPREQHDR)
816	typedef struct SUPPAGEUNLOCK
817	{
818	/** The header. */
819	SUPREQHDR Hdr;
820	union
821	{
822	struct
823	{
824	/** Start of page range of a range previously pinned. */
825	RTR3PTR pvR3;
826	} In;
827	} u;
828	} SUPPAGEUNLOCK, *PSUPPAGEUNLOCK;
829	/** @} */
830
831
832	/** @name SUP_IOCTL_CONT_ALLOC
833	* Allocate continuous memory.
834	* @{
835	*/
836	#define SUP_IOCTL_CONT_ALLOC SUP_CTL_CODE_SIZE(16, SUP_IOCTL_CONT_ALLOC_SIZE)
837	#define SUP_IOCTL_CONT_ALLOC_SIZE sizeof(SUPCONTALLOC)
838	#define SUP_IOCTL_CONT_ALLOC_SIZE_IN (sizeof(SUPREQHDR) + RT_SIZEOFMEMB(SUPCONTALLOC, u.In))
839	#define SUP_IOCTL_CONT_ALLOC_SIZE_OUT sizeof(SUPCONTALLOC)
840	typedef struct SUPCONTALLOC
841	{
842	/** The header. */
843	SUPREQHDR Hdr;
844	union
845	{
846	struct
847	{
848	/** The allocation size given as a page count. */
849	uint32_t cPages;
850	} In;
851
852	struct
853	{
854	/** The address of the ring-0 mapping of the allocated memory. */
855	RTR0PTR pvR0;
856	/** The address of the ring-3 mapping of the allocated memory. */
857	RTR3PTR pvR3;
858	/** The physical address of the allocation. */
859	RTHCPHYS HCPhys;
860	} Out;
861	} u;
862	} SUPCONTALLOC, *PSUPCONTALLOC;
863	/** @} */
864
865
866	/** @name SUP_IOCTL_CONT_FREE Input.
867	* @{
868	*/
869	/** Free continuous memory. */
870	#define SUP_IOCTL_CONT_FREE SUP_CTL_CODE_SIZE(17, SUP_IOCTL_CONT_FREE_SIZE)
871	#define SUP_IOCTL_CONT_FREE_SIZE sizeof(SUPCONTFREE)
872	#define SUP_IOCTL_CONT_FREE_SIZE_IN sizeof(SUPCONTFREE)
873	#define SUP_IOCTL_CONT_FREE_SIZE_OUT sizeof(SUPREQHDR)
874	typedef struct SUPCONTFREE
875	{
876	/** The header. */
877	SUPREQHDR Hdr;
878	union
879	{
880	struct
881	{
882	/** The ring-3 address of the memory to free. */
883	RTR3PTR pvR3;
884	} In;
885	} u;
886	} SUPCONTFREE, *PSUPCONTFREE;
887	/** @} */
888
889
890	/** @name SUP_IOCTL_GET_PAGING_MODE
891	* Get the host paging mode.
892	* @{
893	*/
894	#define SUP_IOCTL_GET_PAGING_MODE SUP_CTL_CODE_SIZE(18, SUP_IOCTL_GET_PAGING_MODE_SIZE)
895	#define SUP_IOCTL_GET_PAGING_MODE_SIZE sizeof(SUPGETPAGINGMODE)
896	#define SUP_IOCTL_GET_PAGING_MODE_SIZE_IN sizeof(SUPREQHDR)
897	#define SUP_IOCTL_GET_PAGING_MODE_SIZE_OUT sizeof(SUPGETPAGINGMODE)
898	typedef struct SUPGETPAGINGMODE
899	{
900	/** The header. */
901	SUPREQHDR Hdr;
902	union
903	{
904	struct
905	{
906	/** The paging mode. */
907	SUPPAGINGMODE enmMode;
908	} Out;
909	} u;
910	} SUPGETPAGINGMODE, *PSUPGETPAGINGMODE;
911	/** @} */
912
913
914	/** @name SUP_IOCTL_SET_VM_FOR_FAST
915	* Set the VM handle for doing fast call ioctl calls.
916	* @{
917	*/
918	#define SUP_IOCTL_SET_VM_FOR_FAST SUP_CTL_CODE_SIZE(19, SUP_IOCTL_SET_VM_FOR_FAST_SIZE)
919	#define SUP_IOCTL_SET_VM_FOR_FAST_SIZE sizeof(SUPSETVMFORFAST)
920	#define SUP_IOCTL_SET_VM_FOR_FAST_SIZE_IN sizeof(SUPSETVMFORFAST)
921	#define SUP_IOCTL_SET_VM_FOR_FAST_SIZE_OUT sizeof(SUPREQHDR)
922	typedef struct SUPSETVMFORFAST
923	{
924	/** The header. */
925	SUPREQHDR Hdr;
926	union
927	{
928	struct
929	{
930	/** The ring-0 VM handle (pointer). */
931	PVMR0 pVMR0;
932	} In;
933	} u;
934	} SUPSETVMFORFAST, *PSUPSETVMFORFAST;
935	/** @} */
936
937
938	/** @name SUP_IOCTL_GIP_MAP
939	* Map the GIP into user space.
940	* @{
941	*/
942	#define SUP_IOCTL_GIP_MAP SUP_CTL_CODE_SIZE(20, SUP_IOCTL_GIP_MAP_SIZE)
943	#define SUP_IOCTL_GIP_MAP_SIZE sizeof(SUPGIPMAP)
944	#define SUP_IOCTL_GIP_MAP_SIZE_IN sizeof(SUPREQHDR)
945	#define SUP_IOCTL_GIP_MAP_SIZE_OUT sizeof(SUPGIPMAP)
946	typedef struct SUPGIPMAP
947	{
948	/** The header. */
949	SUPREQHDR Hdr;
950	union
951	{
952	struct
953	{
954	/** The physical address of the GIP. */
955	RTHCPHYS HCPhysGip;
956	/** Pointer to the read-only usermode GIP mapping for this session. */
957	R3PTRTYPE(PSUPGLOBALINFOPAGE) pGipR3;
958	/** Pointer to the supervisor mode GIP mapping. */
959	R0PTRTYPE(PSUPGLOBALINFOPAGE) pGipR0;
960	} Out;
961	} u;
962	} SUPGIPMAP, *PSUPGIPMAP;
963	/** @} */
964
965
966	/** @name SUP_IOCTL_GIP_UNMAP
967	* Unmap the GIP.
968	* @{
969	*/
970	#define SUP_IOCTL_GIP_UNMAP SUP_CTL_CODE_SIZE(21, SUP_IOCTL_GIP_UNMAP_SIZE)
971	#define SUP_IOCTL_GIP_UNMAP_SIZE sizeof(SUPGIPUNMAP)
972	#define SUP_IOCTL_GIP_UNMAP_SIZE_IN sizeof(SUPGIPUNMAP)
973	#define SUP_IOCTL_GIP_UNMAP_SIZE_OUT sizeof(SUPGIPUNMAP)
974	typedef struct SUPGIPUNMAP
975	{
976	/** The header. */
977	SUPREQHDR Hdr;
978	} SUPGIPUNMAP, *PSUPGIPUNMAP;
979	/** @} */
980
981
982	/** @name SUP_IOCTL_CALL_SERVICE
983	* Call the a ring-0 service.
984	*
985	* @todo Might have to convert this to a big request, just like
986	* SUP_IOCTL_CALL_VMMR0
987	* @{
988	*/
989	#define SUP_IOCTL_CALL_SERVICE(cbReq) SUP_CTL_CODE_SIZE(22, SUP_IOCTL_CALL_SERVICE_SIZE(cbReq))
990	#define SUP_IOCTL_CALL_SERVICE_NO_SIZE() SUP_CTL_CODE_SIZE(22, 0)
991	#define SUP_IOCTL_CALL_SERVICE_SIZE(cbReq) RT_UOFFSETOF(SUPCALLSERVICE, abReqPkt[cbReq])
992	#define SUP_IOCTL_CALL_SERVICE_SIZE_IN(cbReq) SUP_IOCTL_CALL_SERVICE_SIZE(cbReq)
993	#define SUP_IOCTL_CALL_SERVICE_SIZE_OUT(cbReq) SUP_IOCTL_CALL_SERVICE_SIZE(cbReq)
994	typedef struct SUPCALLSERVICE
995	{
996	/** The header. */
997	SUPREQHDR Hdr;
998	union
999	{
1000	struct
1001	{
1002	/** The service name. */
1003	char szName[28];
1004	/** Which operation to execute. */
1005	uint32_t uOperation;
1006	/** Argument to use when no request packet is supplied. */
1007	uint64_t u64Arg;
1008	} In;
1009	} u;
1010	/** The request packet passed to SUP. */
1011	uint8_t abReqPkt[1];
1012	} SUPCALLSERVICE, *PSUPCALLSERVICE;
1013	/** @} */
1014
1015
1016	/** @name SUP_IOCTL_LOGGER_SETTINGS
1017	* Changes the ring-0 release or debug logger settings.
1018	* @{
1019	*/
1020	#define SUP_IOCTL_LOGGER_SETTINGS(cbStrTab) SUP_CTL_CODE_SIZE(23, SUP_IOCTL_LOGGER_SETTINGS_SIZE(cbStrTab))
1021	#define SUP_IOCTL_LOGGER_SETTINGS_NO_SIZE() SUP_CTL_CODE_SIZE(23, 0)
1022	#define SUP_IOCTL_LOGGER_SETTINGS_SIZE(cbStrTab) RT_UOFFSETOF(SUPLOGGERSETTINGS, u.In.szStrings[cbStrTab])
1023	#define SUP_IOCTL_LOGGER_SETTINGS_SIZE_IN(cbStrTab) RT_UOFFSETOF(SUPLOGGERSETTINGS, u.In.szStrings[cbStrTab])
1024	#define SUP_IOCTL_LOGGER_SETTINGS_SIZE_OUT sizeof(SUPREQHDR)
1025	typedef struct SUPLOGGERSETTINGS
1026	{
1027	/** The header. */
1028	SUPREQHDR Hdr;
1029	union
1030	{
1031	struct
1032	{
1033	/** Which logger. */
1034	uint32_t fWhich;
1035	/** What to do with it. */
1036	uint32_t fWhat;
1037	/** Offset of the flags setting string. */
1038	uint32_t offFlags;
1039	/** Offset of the groups setting string. */
1040	uint32_t offGroups;
1041	/** Offset of the destination setting string. */
1042	uint32_t offDestination;
1043	/** The string table. */
1044	char szStrings[1];
1045	} In;
1046	} u;
1047	} SUPLOGGERSETTINGS, *PSUPLOGGERSETTINGS;
1048
1049	/** Debug logger. */
1050	#define SUPLOGGERSETTINGS_WHICH_DEBUG 0
1051	/** Release logger. */
1052	#define SUPLOGGERSETTINGS_WHICH_RELEASE 1
1053
1054	/** Change the settings. */
1055	#define SUPLOGGERSETTINGS_WHAT_SETTINGS 0
1056	/** Create the logger instance. */
1057	#define SUPLOGGERSETTINGS_WHAT_CREATE 1
1058	/** Destroy the logger instance. */
1059	#define SUPLOGGERSETTINGS_WHAT_DESTROY 2
1060
1061	/** @} */
1062
1063
1064	/** @name Semaphore Types
1065	* @{ */
1066	#define SUP_SEM_TYPE_EVENT 0
1067	#define SUP_SEM_TYPE_EVENT_MULTI 1
1068	/** @} */
1069
1070
1071	/** @name SUP_IOCTL_SEM_OP2
1072	* Semaphore operations.
1073	* @remarks This replaces the old SUP_IOCTL_SEM_OP interface.
1074	* @{
1075	*/
1076	#define SUP_IOCTL_SEM_OP2 SUP_CTL_CODE_SIZE(24, SUP_IOCTL_SEM_OP2_SIZE)
1077	#define SUP_IOCTL_SEM_OP2_SIZE sizeof(SUPSEMOP2)
1078	#define SUP_IOCTL_SEM_OP2_SIZE_IN sizeof(SUPSEMOP2)
1079	#define SUP_IOCTL_SEM_OP2_SIZE_OUT sizeof(SUPREQHDR)
1080	typedef struct SUPSEMOP2
1081	{
1082	/** The header. */
1083	SUPREQHDR Hdr;
1084	union
1085	{
1086	struct
1087	{
1088	/** The semaphore type. */
1089	uint32_t uType;
1090	/** The semaphore handle. */
1091	uint32_t hSem;
1092	/** The operation. */
1093	uint32_t uOp;
1094	/** Reserved, must be zero. */
1095	uint32_t uReserved;
1096	/** The number of milliseconds to wait if it's a wait operation. */
1097	union
1098	{
1099	/** Absolute timeout (RTTime[System]NanoTS).
1100	* Used by SUPSEMOP2_WAIT_NS_ABS. */
1101	uint64_t uAbsNsTimeout;
1102	/** Relative nanosecond timeout.
1103	* Used by SUPSEMOP2_WAIT_NS_REL. */
1104	uint64_t cRelNsTimeout;
1105	/** Relative millisecond timeout.
1106	* Used by SUPSEMOP2_WAIT_MS_REL. */
1107	uint32_t cRelMsTimeout;
1108	/** Generic 64-bit accessor.
1109	* ASSUMES little endian! */
1110	uint64_t u64;
1111	} uArg;
1112	} In;
1113	} u;
1114	} SUPSEMOP2, *PSUPSEMOP2;
1115
1116	/** Wait for a number of milliseconds. */
1117	#define SUPSEMOP2_WAIT_MS_REL 0
1118	/** Wait until the specified deadline is reached. */
1119	#define SUPSEMOP2_WAIT_NS_ABS 1
1120	/** Wait for a number of nanoseconds. */
1121	#define SUPSEMOP2_WAIT_NS_REL 2
1122	/** Signal the semaphore. */
1123	#define SUPSEMOP2_SIGNAL 3
1124	/** Reset the semaphore (only applicable to SUP_SEM_TYPE_EVENT_MULTI). */
1125	#define SUPSEMOP2_RESET 4
1126	/** Close the semaphore handle. */
1127	#define SUPSEMOP2_CLOSE 5
1128	/** @} */
1129
1130
1131	/** @name SUP_IOCTL_SEM_OP3
1132	* Semaphore operations.
1133	* @{
1134	*/
1135	#define SUP_IOCTL_SEM_OP3 SUP_CTL_CODE_SIZE(25, SUP_IOCTL_SEM_OP3_SIZE)
1136	#define SUP_IOCTL_SEM_OP3_SIZE sizeof(SUPSEMOP3)
1137	#define SUP_IOCTL_SEM_OP3_SIZE_IN sizeof(SUPSEMOP3)
1138	#define SUP_IOCTL_SEM_OP3_SIZE_OUT sizeof(SUPSEMOP3)
1139	typedef struct SUPSEMOP3
1140	{
1141	/** The header. */
1142	SUPREQHDR Hdr;
1143	union
1144	{
1145	struct
1146	{
1147	/** The semaphore type. */
1148	uint32_t uType;
1149	/** The semaphore handle. */
1150	uint32_t hSem;
1151	/** The operation. */
1152	uint32_t uOp;
1153	/** Reserved, must be zero. */
1154	uint32_t u32Reserved;
1155	/** Reserved for future use. */
1156	uint64_t u64Reserved;
1157	} In;
1158	union
1159	{
1160	/** The handle of the created semaphore.
1161	* Used by SUPSEMOP3_CREATE. */
1162	uint32_t hSem;
1163	/** The semaphore resolution in nano seconds.
1164	* Used by SUPSEMOP3_GET_RESOLUTION. */
1165	uint32_t cNsResolution;
1166	/** The 32-bit view. */
1167	uint32_t u32;
1168	/** Reserved some space for later expansion. */
1169	uint64_t u64Reserved;
1170	} Out;
1171	} u;
1172	} SUPSEMOP3, *PSUPSEMOP3;
1173
1174	/** Get the wait resolution. */
1175	#define SUPSEMOP3_CREATE 0
1176	/** Get the wait resolution. */
1177	#define SUPSEMOP3_GET_RESOLUTION 1
1178	/** @} */
1179
1180
1181	/** @name SUP_IOCTL_VT_CAPS
1182	* Get the VT-x/AMD-V capabilities.
1183	*
1184	* @todo Intended for main, which means we need to relax the privilege requires
1185	* when accessing certain vboxdrv functions.
1186	*
1187	* @{
1188	*/
1189	#define SUP_IOCTL_VT_CAPS SUP_CTL_CODE_SIZE(26, SUP_IOCTL_VT_CAPS_SIZE)
1190	#define SUP_IOCTL_VT_CAPS_SIZE sizeof(SUPVTCAPS)
1191	#define SUP_IOCTL_VT_CAPS_SIZE_IN sizeof(SUPREQHDR)
1192	#define SUP_IOCTL_VT_CAPS_SIZE_OUT sizeof(SUPVTCAPS)
1193	typedef struct SUPVTCAPS
1194	{
1195	/** The header. */
1196	SUPREQHDR Hdr;
1197	union
1198	{
1199	struct
1200	{
1201	/** The VT capability dword. */
1202	uint32_t Caps;
1203	} Out;
1204	} u;
1205	} SUPVTCAPS, *PSUPVTCAPS;
1206	/** @} */
1207
1208
1209	/** @name SUP_IOCTL_TRACER_OPEN
1210	* Open the tracer.
1211	*
1212	* Should be matched by an SUP_IOCTL_TRACER_CLOSE call.
1213	*
1214	* @{
1215	*/
1216	#define SUP_IOCTL_TRACER_OPEN SUP_CTL_CODE_SIZE(28, SUP_IOCTL_TRACER_OPEN_SIZE)
1217	#define SUP_IOCTL_TRACER_OPEN_SIZE sizeof(SUPTRACEROPEN)
1218	#define SUP_IOCTL_TRACER_OPEN_SIZE_IN sizeof(SUPTRACEROPEN)
1219	#define SUP_IOCTL_TRACER_OPEN_SIZE_OUT sizeof(SUPREQHDR)
1220	typedef struct SUPTRACEROPEN
1221	{
1222	/** The header. */
1223	SUPREQHDR Hdr;
1224	union
1225	{
1226	struct
1227	{
1228	/** Tracer cookie. Used to make sure we only open a matching tracer. */
1229	uint32_t uCookie;
1230	/** Tracer specific argument. */
1231	RTHCUINTPTR uArg;
1232	} In;
1233	} u;
1234	} SUPTRACEROPEN, *PSUPTRACEROPEN;
1235	/** @} */
1236
1237
1238	/** @name SUP_IOCTL_TRACER_CLOSE
1239	* Close the tracer.
1240	*
1241	* Must match a SUP_IOCTL_TRACER_OPEN call.
1242	*
1243	* @{
1244	*/
1245	#define SUP_IOCTL_TRACER_CLOSE SUP_CTL_CODE_SIZE(29, SUP_IOCTL_TRACER_CLOSE_SIZE)
1246	#define SUP_IOCTL_TRACER_CLOSE_SIZE sizeof(SUPREQHDR)
1247	#define SUP_IOCTL_TRACER_CLOSE_SIZE_IN sizeof(SUPREQHDR)
1248	#define SUP_IOCTL_TRACER_CLOSE_SIZE_OUT sizeof(SUPREQHDR)
1249	/** @} */
1250
1251
1252	/** @name SUP_IOCTL_TRACER_IOCTL
1253	* Speak UNIX ioctl() with the tracer.
1254	*
1255	* The session must have opened the tracer prior to issuing this request.
1256	*
1257	* @{
1258	*/
1259	#define SUP_IOCTL_TRACER_IOCTL SUP_CTL_CODE_SIZE(30, SUP_IOCTL_TRACER_IOCTL_SIZE)
1260	#define SUP_IOCTL_TRACER_IOCTL_SIZE sizeof(SUPTRACERIOCTL)
1261	#define SUP_IOCTL_TRACER_IOCTL_SIZE_IN sizeof(SUPTRACERIOCTL)
1262	#define SUP_IOCTL_TRACER_IOCTL_SIZE_OUT (RT_UOFFSETOF(SUPTRACERIOCTL, u.Out.iRetVal) + sizeof(int32_t))
1263	typedef struct SUPTRACERIOCTL
1264	{
1265	/** The header. */
1266	SUPREQHDR Hdr;
1267	union
1268	{
1269	struct
1270	{
1271	/** The command. */
1272	RTHCUINTPTR uCmd;
1273	/** Argument to the command. */
1274	RTHCUINTPTR uArg;
1275	} In;
1276
1277	struct
1278	{
1279	/** The return value. */
1280	int32_t iRetVal;
1281	} Out;
1282	} u;
1283	} SUPTRACERIOCTL, *PSUPTRACERIOCTL;
1284	/** @} */
1285
1286
1287	/** @name SUP_IOCTL_TRACER_UMOD_REG
1288	* Registers tracepoints in a user mode module.
1289	*
1290	* @{
1291	*/
1292	#define SUP_IOCTL_TRACER_UMOD_REG SUP_CTL_CODE_SIZE(31, SUP_IOCTL_TRACER_UMOD_REG_SIZE)
1293	#define SUP_IOCTL_TRACER_UMOD_REG_SIZE sizeof(SUPTRACERUMODREG)
1294	#define SUP_IOCTL_TRACER_UMOD_REG_SIZE_IN sizeof(SUPTRACERUMODREG)
1295	#define SUP_IOCTL_TRACER_UMOD_REG_SIZE_OUT sizeof(SUPREQHDR)
1296	typedef struct SUPTRACERUMODREG
1297	{
1298	/** The header. */
1299	SUPREQHDR Hdr;
1300	union
1301	{
1302	struct
1303	{
1304	/** The address at which the VTG header actually resides.
1305	* This will differ from R3PtrVtgHdr for raw-mode context
1306	* modules. */
1307	RTUINTPTR uVtgHdrAddr;
1308	/** The ring-3 pointer of the VTG header. */
1309	RTR3PTR R3PtrVtgHdr;
1310	/** The ring-3 pointer of the probe location string table. */
1311	RTR3PTR R3PtrStrTab;
1312	/** The size of the string table. */
1313	uint32_t cbStrTab;
1314	/** Future flags, MBZ. */
1315	uint32_t fFlags;
1316	/** The module name. */
1317	char szName[64];
1318	} In;
1319	} u;
1320	} SUPTRACERUMODREG, *PSUPTRACERUMODREG;
1321	/** @} */
1322
1323
1324	/** @name SUP_IOCTL_TRACER_UMOD_DEREG
1325	* Deregisters tracepoints in a user mode module.
1326	*
1327	* @{
1328	*/
1329	#define SUP_IOCTL_TRACER_UMOD_DEREG SUP_CTL_CODE_SIZE(32, SUP_IOCTL_TRACER_UMOD_DEREG_SIZE)
1330	#define SUP_IOCTL_TRACER_UMOD_DEREG_SIZE sizeof(SUPTRACERUMODDEREG)
1331	#define SUP_IOCTL_TRACER_UMOD_DEREG_SIZE_IN sizeof(SUPTRACERUMODDEREG)
1332	#define SUP_IOCTL_TRACER_UMOD_DEREG_SIZE_OUT sizeof(SUPREQHDR)
1333	typedef struct SUPTRACERUMODDEREG
1334	{
1335	/** The header. */
1336	SUPREQHDR Hdr;
1337	union
1338	{
1339	struct
1340	{
1341	/** Pointer to the VTG header. */
1342	RTR3PTR pVtgHdr;
1343	} In;
1344	} u;
1345	} SUPTRACERUMODDEREG, *PSUPTRACERUMODDEREG;
1346	/** @} */
1347
1348
1349	/** @name SUP_IOCTL_TRACER_UMOD_FIRE_PROBE
1350	* Fire a probe in a user tracepoint module.
1351	*
1352	* @{
1353	*/
1354	#define SUP_IOCTL_TRACER_UMOD_FIRE_PROBE SUP_CTL_CODE_SIZE(33, SUP_IOCTL_TRACER_UMOD_FIRE_PROBE_SIZE)
1355	#define SUP_IOCTL_TRACER_UMOD_FIRE_PROBE_SIZE sizeof(SUPTRACERUMODFIREPROBE)
1356	#define SUP_IOCTL_TRACER_UMOD_FIRE_PROBE_SIZE_IN sizeof(SUPTRACERUMODFIREPROBE)
1357	#define SUP_IOCTL_TRACER_UMOD_FIRE_PROBE_SIZE_OUT sizeof(SUPREQHDR)
1358	typedef struct SUPTRACERUMODFIREPROBE
1359	{
1360	/** The header. */
1361	SUPREQHDR Hdr;
1362	union
1363	{
1364	SUPDRVTRACERUSRCTX In;
1365	} u;
1366	} SUPTRACERUMODFIREPROBE, *PSUPTRACERUMODFIREPROBE;
1367	/** @} */
1368
1369
1370	/** @name SUP_IOCTL_MSR_PROBER
1371	* MSR probing interface, not available in normal builds.
1372	*
1373	* @{
1374	*/
1375	#define SUP_IOCTL_MSR_PROBER SUP_CTL_CODE_SIZE(34, SUP_IOCTL_MSR_PROBER_SIZE)
1376	#define SUP_IOCTL_MSR_PROBER_SIZE sizeof(SUPMSRPROBER)
1377	#define SUP_IOCTL_MSR_PROBER_SIZE_IN sizeof(SUPMSRPROBER)
1378	#define SUP_IOCTL_MSR_PROBER_SIZE_OUT sizeof(SUPMSRPROBER)
1379
1380	typedef enum SUPMSRPROBEROP
1381	{
1382	SUPMSRPROBEROP_INVALID = 0, /*< The customary invalid zero value. /
1383	SUPMSRPROBEROP_READ, /*< Read an MSR. /
1384	SUPMSRPROBEROP_WRITE, /*< Write a value to an MSR (use with care!). /
1385	SUPMSRPROBEROP_MODIFY, /*< Read-modify-restore-flushall. /
1386	SUPMSRPROBEROP_MODIFY_FASTER, /*< Read-modify-restore, skip the flushing. /
1387	SUPMSRPROBEROP_END, /*< End of valid values. /
1388	SUPMSRPROBEROP_32BIT_HACK = 0x7fffffff /*< The customary 32-bit type hack. /
1389	} SUPMSRPROBEROP;
1390
1391	typedef struct SUPMSRPROBER
1392	{
1393	/** The header. */
1394	SUPREQHDR Hdr;
1395
1396	/** Input/output union. */
1397	union
1398	{
1399	/** Inputs. */
1400	struct
1401	{
1402	/** The operation. */
1403	SUPMSRPROBEROP enmOp;
1404	/** The MSR to test. */
1405	uint32_t uMsr;
1406	/** The CPU to perform the operation on.
1407	* Use UINT32_MAX to indicate that any CPU will do. */
1408	uint32_t idCpu;
1409	/** Alignment padding. */
1410	uint32_t u32Padding;
1411	/** Operation specific arguments. */
1412	union
1413	{
1414	/* SUPMSRPROBEROP_READ takes no extra arguments. */
1415
1416	/** For SUPMSRPROBEROP_WRITE. */
1417	struct
1418	{
1419	/** The value to write. */
1420	uint64_t uToWrite;
1421	} Write;
1422
1423	/** For SUPMSRPROBEROP_MODIFY and SUPMSRPROBEROP_MODIFY_FASTER. */
1424	struct
1425	{
1426	/** The value to AND the current MSR value with to construct the value to
1427	* write. This applied first. */
1428	uint64_t fAndMask;
1429	/** The value to OR the result of the above mentioned AND operation with
1430	* attempting to modify the MSR. */
1431	uint64_t fOrMask;
1432	} Modify;
1433
1434	/** Reserve space for the future.. */
1435	uint64_t auPadding[3];
1436	} uArgs;
1437	} In;
1438
1439	/** Outputs. */
1440	struct
1441	{
1442	/** Operation specific results. */
1443	union
1444	{
1445	/** For SUPMSRPROBEROP_READ. */
1446	struct
1447	{
1448	/** The value we've read. */
1449	uint64_t uValue;
1450	/** Set if we GPed while reading it. */
1451	bool fGp;
1452	} Read;
1453
1454	/** For SUPMSRPROBEROP_WRITE. */
1455	struct
1456	{
1457	/** Set if we GPed while writing it. */
1458	bool fGp;
1459	} Write;
1460
1461	/** For SUPMSRPROBEROP_MODIFY and SUPMSRPROBEROP_MODIFY_FASTER. */
1462	SUPMSRPROBERMODIFYRESULT Modify;
1463
1464	/** Size padding/aligning. */
1465	uint64_t auPadding[5];
1466	} uResults;
1467	} Out;
1468	} u;
1469	} SUPMSRPROBER, *PSUPMSRPROBER;
1470	AssertCompileMemberAlignment(SUPMSRPROBER, u, 8);
1471	AssertCompileMemberAlignment(SUPMSRPROBER, u.In.uArgs, 8);
1472	AssertCompileMembersSameSizeAndOffset(SUPMSRPROBER, u.In, SUPMSRPROBER, u.Out);
1473	/** @} */
1474
1475	/** @name SUP_IOCTL_RESUME_SUSPENDED_KBDS
1476	* Resume suspended keyboard devices if any found in the system.
1477	*
1478	* @{
1479	*/
1480	#define SUP_IOCTL_RESUME_SUSPENDED_KBDS SUP_CTL_CODE_SIZE(35, SUP_IOCTL_RESUME_SUSPENDED_KBDS_SIZE)
1481	#define SUP_IOCTL_RESUME_SUSPENDED_KBDS_SIZE sizeof(SUPREQHDR)
1482	#define SUP_IOCTL_RESUME_SUSPENDED_KBDS_SIZE_IN sizeof(SUPREQHDR)
1483	#define SUP_IOCTL_RESUME_SUSPENDED_KBDS_SIZE_OUT sizeof(SUPREQHDR)
1484	/** @} */
1485
1486
1487	/** @name SUP_IOCTL_TSC_DELTA_MEASURE
1488	* Measure the TSC-delta between the specified CPU and the master TSC.
1489	*
1490	* To call this I/O control, the client must first have mapped the GIP.
1491	*
1492	* @{
1493	*/
1494	#define SUP_IOCTL_TSC_DELTA_MEASURE SUP_CTL_CODE_SIZE(36, SUP_IOCTL_TSC_DELTA_MEASURE_SIZE)
1495	#define SUP_IOCTL_TSC_DELTA_MEASURE_SIZE sizeof(SUPTSCDELTAMEASURE)
1496	#define SUP_IOCTL_TSC_DELTA_MEASURE_SIZE_IN sizeof(SUPTSCDELTAMEASURE)
1497	#define SUP_IOCTL_TSC_DELTA_MEASURE_SIZE_OUT sizeof(SUPREQHDR)
1498	typedef struct SUPTSCDELTAMEASURE
1499	{
1500	/** The header. */
1501	SUPREQHDR Hdr;
1502
1503	/** Input/output union. */
1504	union
1505	{
1506	struct
1507	{
1508	/** Which CPU to take the TSC-delta measurement for. */
1509	RTCPUID idCpu;
1510	/** Number of times to retry on failure (specify 0 for default). */
1511	uint8_t cRetries;
1512	/** Number of milliseconds to wait before each retry. */
1513	uint8_t cMsWaitRetry;
1514	/** Whether to force taking a measurement if one exists already. */
1515	bool fForce;
1516	/** Whether to do the measurement asynchronously (if possible). */
1517	bool fAsync;
1518	} In;
1519	} u;
1520	} SUPTSCDELTAMEASURE, *PSUPTSCDELTAMEASURE;
1521	AssertCompileMemberAlignment(SUPTSCDELTAMEASURE, u, 8);
1522	AssertCompileSize(SUPTSCDELTAMEASURE, 6*4 + 4+1+1+1+1);
1523	/** @} */
1524
1525	/** @name SUP_IOCTL_TSC_READ
1526	* Reads the TSC and apply TSC-delta if applicable, determining the delta if
1527	* necessary (i64TSCDelta = INT64_MAX).
1528	*
1529	* This latter function is the primary use case of this I/O control. To call
1530	* this I/O control, the client must first have mapped the GIP.
1531	*
1532	* @{
1533	*/
1534	#define SUP_IOCTL_TSC_READ SUP_CTL_CODE_SIZE(37, SUP_IOCTL_TSC_READ_SIZE)
1535	#define SUP_IOCTL_TSC_READ_SIZE sizeof(SUPTSCREAD)
1536	#define SUP_IOCTL_TSC_READ_SIZE_IN sizeof(SUPTSCREAD)
1537	#define SUP_IOCTL_TSC_READ_SIZE_OUT sizeof(SUPREQHDR)
1538	typedef struct SUPTSCREAD
1539	{
1540	/** The header. */
1541	SUPREQHDR Hdr;
1542
1543	/** Input/output union. */
1544	union
1545	{
1546	struct
1547	{
1548	/** The TSC after applying the relevant delta. */
1549	uint64_t u64AdjustedTsc;
1550	/** The APIC Id of the CPU where the TSC was read. */
1551	uint16_t idApic;
1552	/** Explicit alignment padding. */
1553	uint16_t auPadding[3];
1554	} Out;
1555	} u;
1556	} SUPTSCREAD, *PSUPTSCREAD;
1557	AssertCompileMemberAlignment(SUPTSCREAD, u, 8);
1558	AssertCompileSize(SUPTSCREAD, 64 + 28);
1559	/** @} */
1560
1561	#pragma pack() /* paranoia */
1562
1563	#endif
1564

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source: vbox/trunk/src/VBox/HostDrivers/Support/SUPDrvIOC.h@ 54998

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