pdmdrv.h@ 12065

Last change on this file since 12065 was 8715, checked in by vboxsync, 17 years ago
Fix using several NAT adapters in a single VM.
Property svn:eol-style set to `native` Property svn:keywords set to `Id`
File size: 34.3 KB

Line
1	/** @file
2	* PDM - Pluggable Device Manager, Drivers.
3	*/
4
5	/*
6	* Copyright (C) 2006-2007 Sun Microsystems, Inc.
7	*
8	* This file is part of VirtualBox Open Source Edition (OSE), as
9	* available from http://www.virtualbox.org. This file is free software;
10	* you can redistribute it and/or modify it under the terms of the GNU
11	* General Public License (GPL) as published by the Free Software
12	* Foundation, in version 2 as it comes in the "COPYING" file of the
13	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
14	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
15	*
16	* The contents of this file may alternatively be used under the terms
17	* of the Common Development and Distribution License Version 1.0
18	* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
19	* VirtualBox OSE distribution, in which case the provisions of the
20	* CDDL are applicable instead of those of the GPL.
21	*
22	* You may elect to license modified versions of this file under the
23	* terms and conditions of either the GPL or the CDDL or both.
24	*
25	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
26	* Clara, CA 95054 USA or visit http://www.sun.com if you need
27	* additional information or have any questions.
28	*/
29
30	#ifndef ___VBox_pdmdrv_h
31	#define ___VBox_pdmdrv_h
32
33	#include <VBox/pdmqueue.h>
34	#include <VBox/pdmcritsect.h>
35	#include <VBox/pdmthread.h>
36	#include <VBox/pdmifs.h>
37	#include <VBox/pdmins.h>
38	#include <VBox/tm.h>
39	#include <VBox/ssm.h>
40	#include <VBox/cfgm.h>
41	#include <VBox/dbgf.h>
42	#include <VBox/mm.h>
43	#include <VBox/err.h>
44	#include <iprt/stdarg.h>
45
46	#ifdef VBOX_WITH_PDM_ASYNC_COMPLETION
47	# include <VBox/pdmasynccompletion.h>
48	#endif
49
50	__BEGIN_DECLS
51
52	/** @defgroup grp_pdm_driver Drivers
53	* @ingroup grp_pdm
54	* @{
55	*/
56
57	/**
58	* Construct a driver instance for a VM.
59	*
60	* @returns VBox status.
61	* @param pDrvIns The driver instance data.
62	* If the registration structure is needed, pDrvIns->pDrvReg points to it.
63	* @param pCfgHandle Configuration node handle for the driver. Use this to obtain the configuration
64	* of the driver instance. It's also found in pDrvIns->pCfgHandle as it's expected
65	* to be used frequently in this function.
66	*/
67	typedef DECLCALLBACK(int) FNPDMDRVCONSTRUCT(PPDMDRVINS pDrvIns, PCFGMNODE pCfgHandle);
68	/** Pointer to a FNPDMDRVCONSTRUCT() function. */
69	typedef FNPDMDRVCONSTRUCT *PFNPDMDRVCONSTRUCT;
70
71	/**
72	* Destruct a driver instance.
73	*
74	* Most VM resources are freed by the VM. This callback is provided so that
75	* any non-VM resources can be freed correctly.
76	*
77	* @param pDrvIns The driver instance data.
78	*/
79	typedef DECLCALLBACK(void) FNPDMDRVDESTRUCT(PPDMDRVINS pDrvIns);
80	/** Pointer to a FNPDMDRVDESTRUCT() function. */
81	typedef FNPDMDRVDESTRUCT *PFNPDMDRVDESTRUCT;
82
83	/**
84	* Driver I/O Control interface.
85	*
86	* This is used by external components, such as the COM interface, to
87	* communicate with a driver using a driver specific interface. Generally,
88	* the driver interfaces are used for this task.
89	*
90	* @returns VBox status code.
91	* @param pDrvIns Pointer to the driver instance.
92	* @param uFunction Function to perform.
93	* @param pvIn Pointer to input data.
94	* @param cbIn Size of input data.
95	* @param pvOut Pointer to output data.
96	* @param cbOut Size of output data.
97	* @param pcbOut Where to store the actual size of the output data.
98	*/
99	typedef DECLCALLBACK(int) FNPDMDRVIOCTL(PPDMDRVINS pDrvIns, RTUINT uFunction,
100	void *pvIn, RTUINT cbIn,
101	void *pvOut, RTUINT cbOut, PRTUINT pcbOut);
102	/** Pointer to a FNPDMDRVIOCTL() function. */
103	typedef FNPDMDRVIOCTL *PFNPDMDRVIOCTL;
104
105	/**
106	* Power On notification.
107	*
108	* @param pDrvIns The driver instance data.
109	*/
110	typedef DECLCALLBACK(void) FNPDMDRVPOWERON(PPDMDRVINS pDrvIns);
111	/** Pointer to a FNPDMDRVPOWERON() function. */
112	typedef FNPDMDRVPOWERON *PFNPDMDRVPOWERON;
113
114	/**
115	* Reset notification.
116	*
117	* @returns VBox status.
118	* @param pDrvIns The driver instance data.
119	*/
120	typedef DECLCALLBACK(void) FNPDMDRVRESET(PPDMDRVINS pDrvIns);
121	/** Pointer to a FNPDMDRVRESET() function. */
122	typedef FNPDMDRVRESET *PFNPDMDRVRESET;
123
124	/**
125	* Suspend notification.
126	*
127	* @returns VBox status.
128	* @param pDrvIns The driver instance data.
129	*/
130	typedef DECLCALLBACK(void) FNPDMDRVSUSPEND(PPDMDRVINS pDrvIns);
131	/** Pointer to a FNPDMDRVSUSPEND() function. */
132	typedef FNPDMDRVSUSPEND *PFNPDMDRVSUSPEND;
133
134	/**
135	* Resume notification.
136	*
137	* @returns VBox status.
138	* @param pDrvIns The driver instance data.
139	*/
140	typedef DECLCALLBACK(void) FNPDMDRVRESUME(PPDMDRVINS pDrvIns);
141	/** Pointer to a FNPDMDRVRESUME() function. */
142	typedef FNPDMDRVRESUME *PFNPDMDRVRESUME;
143
144	/**
145	* Power Off notification.
146	*
147	* @param pDrvIns The driver instance data.
148	*/
149	typedef DECLCALLBACK(void) FNPDMDRVPOWEROFF(PPDMDRVINS pDrvIns);
150	/** Pointer to a FNPDMDRVPOWEROFF() function. */
151	typedef FNPDMDRVPOWEROFF *PFNPDMDRVPOWEROFF;
152
153	/**
154	* Detach notification.
155	*
156	* This is called when a driver below it in the chain is detaching itself
157	* from it. The driver should adjust it's state to reflect this.
158	*
159	* This is like ejecting a cdrom or floppy.
160	*
161	* @param pDrvIns The driver instance.
162	*/
163	typedef DECLCALLBACK(void) FNPDMDRVDETACH(PPDMDRVINS pDrvIns);
164	/** Pointer to a FNPDMDRVDETACH() function. */
165	typedef FNPDMDRVDETACH *PFNPDMDRVDETACH;
166
167
168
169	/** PDM Driver Registration Structure,
170	* This structure is used when registering a driver from
171	* VBoxInitDrivers() (HC Ring-3). PDM will continue use till
172	* the VM is terminated.
173	*/
174	typedef struct PDMDRVREG
175	{
176	/** Structure version. PDM_DRVREG_VERSION defines the current version. */
177	uint32_t u32Version;
178	/** Driver name. */
179	char szDriverName[32];
180	/** The description of the driver. The UTF-8 string pointed to shall, like this structure,
181	* remain unchanged from registration till VM destruction. */
182	const char *pszDescription;
183
184	/** Flags, combination of the PDM_DRVREG_FLAGS_* \#defines. */
185	RTUINT fFlags;
186	/** Driver class(es), combination of the PDM_DRVREG_CLASS_* \#defines. */
187	RTUINT fClass;
188	/** Maximum number of instances (per VM). */
189	RTUINT cMaxInstances;
190	/** Size of the instance data. */
191	RTUINT cbInstance;
192
193	/** Construct instance - required. */
194	PFNPDMDRVCONSTRUCT pfnConstruct;
195	/** Destruct instance - optional. */
196	PFNPDMDRVDESTRUCT pfnDestruct;
197	/** I/O control - optional. */
198	PFNPDMDRVIOCTL pfnIOCtl;
199	/** Power on notification - optional. */
200	PFNPDMDRVPOWERON pfnPowerOn;
201	/** Reset notification - optional. */
202	PFNPDMDRVRESET pfnReset;
203	/** Suspend notification - optional. */
204	PFNPDMDRVSUSPEND pfnSuspend;
205	/** Resume notification - optional. */
206	PFNPDMDRVRESUME pfnResume;
207	/** Detach notification - optional. */
208	PFNPDMDRVDETACH pfnDetach;
209	/** Power off notification - optional. */
210	PFNPDMDRVPOWEROFF pfnPowerOff;
211
212	} PDMDRVREG;
213	/** Pointer to a PDM Driver Structure. */
214	typedef PDMDRVREG *PPDMDRVREG;
215	/** Const pointer to a PDM Driver Structure. */
216	typedef PDMDRVREG const *PCPDMDRVREG;
217
218	/** Current DRVREG version number. */
219	#define PDM_DRVREG_VERSION 0x80010000
220
221	/** PDM Device Flags.
222	* @{ */
223	/** @def PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT
224	* The bit count for the current host. */
225	#if HC_ARCH_BITS == 32
226	# define PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT 0x000000001
227	#elif HC_ARCH_BITS == 64
228	# define PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT 0x000000002
229	#else
230	# error Unsupported HC_ARCH_BITS value.
231	#endif
232	/** The host bit count mask. */
233	#define PDM_DRVREG_FLAGS_HOST_BITS_MASK 0x000000003
234
235	/** @} */
236
237
238	/** PDM Driver Classes.
239	* @{ */
240	/** Mouse input driver. */
241	#define PDM_DRVREG_CLASS_MOUSE RT_BIT(0)
242	/** Keyboard input driver. */
243	#define PDM_DRVREG_CLASS_KEYBOARD RT_BIT(1)
244	/** Display driver. */
245	#define PDM_DRVREG_CLASS_DISPLAY RT_BIT(2)
246	/** Network transport driver. */
247	#define PDM_DRVREG_CLASS_NETWORK RT_BIT(3)
248	/** Block driver. */
249	#define PDM_DRVREG_CLASS_BLOCK RT_BIT(4)
250	/** Media driver. */
251	#define PDM_DRVREG_CLASS_MEDIA RT_BIT(5)
252	/** Mountable driver. */
253	#define PDM_DRVREG_CLASS_MOUNTABLE RT_BIT(6)
254	/** Audio driver. */
255	#define PDM_DRVREG_CLASS_AUDIO RT_BIT(7)
256	/** VMMDev driver. */
257	#define PDM_DRVREG_CLASS_VMMDEV RT_BIT(8)
258	/** Status driver. */
259	#define PDM_DRVREG_CLASS_STATUS RT_BIT(9)
260	/** ACPI driver. */
261	#define PDM_DRVREG_CLASS_ACPI RT_BIT(10)
262	/** USB related driver. */
263	#define PDM_DRVREG_CLASS_USB RT_BIT(11)
264	/** ISCSI Transport related driver. */
265	#define PDM_DRVREG_CLASS_ISCSITRANSPORT RT_BIT(12)
266	/** Char driver. */
267	#define PDM_DRVREG_CLASS_CHAR RT_BIT(13)
268	/** Stream driver. */
269	#define PDM_DRVREG_CLASS_STREAM RT_BIT(14)
270	/** @} */
271
272
273	/**
274	* USB hub registration structure.
275	*/
276	typedef struct PDMUSBHUBREG
277	{
278	/** Structure version number. PDM_USBHUBREG_VERSION defines the current version. */
279	uint32_t u32Version;
280
281	/**
282	* Request the hub to attach of the specified device.
283	*
284	* @returns VBox status code.
285	* @param pDrvIns The hub instance.
286	* @param pUsbIns The device to attach.
287	* @param piPort Where to store the port number the device was attached to.
288	* @thread EMT.
289	*/
290	DECLR3CALLBACKMEMBER(int, pfnAttachDevice,(PPDMDRVINS pDrvIns, PPDMUSBINS pUsbIns, uint32_t *piPort));
291
292	/**
293	* Request the hub to detach of the specified device.
294	*
295	* The device has previously been attached to the hub with the
296	* pfnAttachDevice call. This call is not currently expected to
297	* fail.
298	*
299	* @returns VBox status code.
300	* @param pDrvIns The hub instance.
301	* @param pUsbIns The device to detach.
302	* @param iPort The port number returned by the attach call.
303	* @thread EMT.
304	*/
305	DECLR3CALLBACKMEMBER(int, pfnDetachDevice,(PPDMDRVINS pDrvIns, PPDMUSBINS pUsbIns, uint32_t iPort));
306
307	/** Counterpart to u32Version, same value. */
308	uint32_t u32TheEnd;
309	} PDMUSBHUBREG;
310	/** Pointer to a const USB hub registration structure. */
311	typedef const PDMUSBHUBREG *PCPDMUSBHUBREG;
312
313	/** Current PDMUSBHUBREG version number. */
314	#define PDM_USBHUBREG_VERSION 0xeb010000
315
316
317	/**
318	* USB hub helpers.
319	* This is currently just a place holder.
320	*/
321	typedef struct PDMUSBHUBHLP
322	{
323	/** Structure version. PDM_USBHUBHLP_VERSION defines the current version. */
324	uint32_t u32Version;
325
326	/** Just a safety precaution. */
327	uint32_t u32TheEnd;
328	} PDMUSBHUBHLP;
329	/** Pointer to PCI helpers. */
330	typedef PDMUSBHUBHLP *PPDMUSBHUBHLP;
331	/** Pointer to const PCI helpers. */
332	typedef const PDMUSBHUBHLP *PCPDMUSBHUBHLP;
333	/** Pointer to const PCI helpers pointer. */
334	typedef PCPDMUSBHUBHLP *PPCPDMUSBHUBHLP;
335
336	/** Current PDMUSBHUBHLP version number. */
337	#define PDM_USBHUBHLP_VERSION 0xea010000
338
339
340
341	/**
342	* Poller callback.
343	*
344	* @param pDrvIns The driver instance.
345	*/
346	typedef DECLCALLBACK(void) FNPDMDRVPOLLER(PPDMDRVINS pDrvIns);
347	/** Pointer to a FNPDMDRVPOLLER function. */
348	typedef FNPDMDRVPOLLER *PFNPDMDRVPOLLER;
349
350	#ifdef IN_RING3
351	/**
352	* PDM Driver API.
353	*/
354	typedef struct PDMDRVHLP
355	{
356	/** Structure version. PDM_DRVHLP_VERSION defines the current version. */
357	uint32_t u32Version;
358
359	/**
360	* Attaches a driver (chain) to the driver.
361	*
362	* @returns VBox status code.
363	* @param pDrvIns Driver instance.
364	* @param ppBaseInterface Where to store the pointer to the base interface.
365	*/
366	DECLR3CALLBACKMEMBER(int, pfnAttach,(PPDMDRVINS pDrvIns, PPDMIBASE *ppBaseInterface));
367
368	/**
369	* Detach the driver the drivers below us.
370	*
371	* @returns VBox status code.
372	* @param pDrvIns Driver instance.
373	*/
374	DECLR3CALLBACKMEMBER(int, pfnDetach,(PPDMDRVINS pDrvIns));
375
376	/**
377	* Detach the driver from the driver above it and destroy this
378	* driver and all drivers below it.
379	*
380	* @returns VBox status code.
381	* @param pDrvIns Driver instance.
382	*/
383	DECLR3CALLBACKMEMBER(int, pfnDetachSelf,(PPDMDRVINS pDrvIns));
384
385	/**
386	* Prepare a media mount.
387	*
388	* The driver must not have anything attached to itself
389	* when calling this function as the purpose is to set up the configuration
390	* of an future attachment.
391	*
392	* @returns VBox status code
393	* @param pDrvIns Driver instance.
394	* @param pszFilename Pointer to filename. If this is NULL it assumed that the caller have
395	* constructed a configuration which can be attached to the bottom driver.
396	* @param pszCoreDriver Core driver name. NULL will cause autodetection. Ignored if pszFilanem is NULL.
397	*/
398	DECLR3CALLBACKMEMBER(int, pfnMountPrepare,(PPDMDRVINS pDrvIns, const char pszFilename, const char pszCoreDriver));
399
400	/**
401	* Assert that the current thread is the emulation thread.
402	*
403	* @returns True if correct.
404	* @returns False if wrong.
405	* @param pDrvIns Driver instance.
406	* @param pszFile Filename of the assertion location.
407	* @param iLine Linenumber of the assertion location.
408	* @param pszFunction Function of the assertion location.
409	*/
410	DECLR3CALLBACKMEMBER(bool, pfnAssertEMT,(PPDMDRVINS pDrvIns, const char pszFile, unsigned iLine, const char pszFunction));
411
412	/**
413	* Assert that the current thread is NOT the emulation thread.
414	*
415	* @returns True if correct.
416	* @returns False if wrong.
417	* @param pDrvIns Driver instance.
418	* @param pszFile Filename of the assertion location.
419	* @param iLine Linenumber of the assertion location.
420	* @param pszFunction Function of the assertion location.
421	*/
422	DECLR3CALLBACKMEMBER(bool, pfnAssertOther,(PPDMDRVINS pDrvIns, const char pszFile, unsigned iLine, const char pszFunction));
423
424	/**
425	* Set the VM error message
426	*
427	* @returns rc.
428	* @param pDrvIns Driver instance.
429	* @param rc VBox status code.
430	* @param RT_SRC_POS_DECL Use RT_SRC_POS.
431	* @param pszFormat Error message format string.
432	* @param ... Error message arguments.
433	*/
434	DECLR3CALLBACKMEMBER(int, pfnVMSetError,(PPDMDRVINS pDrvIns, int rc, RT_SRC_POS_DECL, const char *pszFormat, ...));
435
436	/**
437	* Set the VM error message
438	*
439	* @returns rc.
440	* @param pDrvIns Driver instance.
441	* @param rc VBox status code.
442	* @param RT_SRC_POS_DECL Use RT_SRC_POS.
443	* @param pszFormat Error message format string.
444	* @param va Error message arguments.
445	*/
446	DECLR3CALLBACKMEMBER(int, pfnVMSetErrorV,(PPDMDRVINS pDrvIns, int rc, RT_SRC_POS_DECL, const char *pszFormat, va_list va));
447
448	/**
449	* Set the VM runtime error message
450	*
451	* @returns VBox status code.
452	* @param pDrvIns Driver instance.
453	* @param fFatal Whether it is a fatal error or not.
454	* @param pszErrorID Error ID string.
455	* @param pszFormat Error message format string.
456	* @param ... Error message arguments.
457	*/
458	DECLR3CALLBACKMEMBER(int, pfnVMSetRuntimeError,(PPDMDRVINS pDrvIns, bool fFatal, const char pszErrorID, const char pszFormat, ...));
459
460	/**
461	* Set the VM runtime error message
462	*
463	* @returns VBox status code.
464	* @param pDrvIns Driver instance.
465	* @param fFatal Whether it is a fatal error or not.
466	* @param pszErrorID Error ID string.
467	* @param pszFormat Error message format string.
468	* @param va Error message arguments.
469	*/
470	DECLR3CALLBACKMEMBER(int, pfnVMSetRuntimeErrorV,(PPDMDRVINS pDrvIns, bool fFatal, const char pszErrorID, const char pszFormat, va_list va));
471
472	/**
473	* Create a queue.
474	*
475	* @returns VBox status code.
476	* @param pDrvIns Driver instance.
477	* @param cbItem Size a queue item.
478	* @param cItems Number of items in the queue.
479	* @param cMilliesInterval Number of milliseconds between polling the queue.
480	* If 0 then the emulation thread will be notified whenever an item arrives.
481	* @param pfnCallback The consumer function.
482	* @param ppQueue Where to store the queue handle on success.
483	* @thread The emulation thread.
484	*/
485	DECLR3CALLBACKMEMBER(int, pfnPDMQueueCreate,(PPDMDRVINS pDrvIns, RTUINT cbItem, RTUINT cItems, uint32_t cMilliesInterval, PFNPDMQUEUEDRV pfnCallback, PPDMQUEUE *ppQueue));
486
487	/**
488	* Register a poller function.
489	* TEMPORARY HACK FOR NETWORKING! DON'T USE!
490	*
491	* @returns VBox status code.
492	* @param pDrvIns Driver instance.
493	* @param pfnPoller The callback function.
494	*/
495	DECLR3CALLBACKMEMBER(int, pfnPDMPollerRegister,(PPDMDRVINS pDrvIns, PFNPDMDRVPOLLER pfnPoller));
496
497	/**
498	* Query the virtual timer frequency.
499	*
500	* @returns Frequency in Hz.
501	* @param pDrvIns Driver instance.
502	* @thread Any thread.
503	*/
504	DECLR3CALLBACKMEMBER(uint64_t, pfnTMGetVirtualFreq,(PPDMDRVINS pDrvIns));
505
506	/**
507	* Query the virtual time.
508	*
509	* @returns The current virtual time.
510	* @param pDrvIns Driver instance.
511	* @thread Any thread.
512	*/
513	DECLR3CALLBACKMEMBER(uint64_t, pfnTMGetVirtualTime,(PPDMDRVINS pDrvIns));
514
515	/**
516	* Creates a timer.
517	*
518	* @returns VBox status.
519	* @param pDrvIns Driver instance.
520	* @param enmClock The clock to use on this timer.
521	* @param pfnCallback Callback function.
522	* @param pszDesc Pointer to description string which must stay around
523	* until the timer is fully destroyed (i.e. a bit after TMTimerDestroy()).
524	* @param ppTimer Where to store the timer on success.
525	*/
526	DECLR3CALLBACKMEMBER(int, pfnTMTimerCreate,(PPDMDRVINS pDrvIns, TMCLOCK enmClock, PFNTMTIMERDRV pfnCallback, const char *pszDesc, PPTMTIMERR3 ppTimer));
527
528	/**
529	* Register a save state data unit.
530	*
531	* @returns VBox status.
532	* @param pDrvIns Driver instance.
533	* @param pszName Data unit name.
534	* @param u32Instance The instance identifier of the data unit.
535	* This must together with the name be unique.
536	* @param u32Version Data layout version number.
537	* @param cbGuess The approximate amount of data in the unit.
538	* Only for progress indicators.
539	* @param pfnSavePrep Prepare save callback, optional.
540	* @param pfnSaveExec Execute save callback, optional.
541	* @param pfnSaveDone Done save callback, optional.
542	* @param pfnLoadPrep Prepare load callback, optional.
543	* @param pfnLoadExec Execute load callback, optional.
544	* @param pfnLoadDone Done load callback, optional.
545	*/
546	DECLR3CALLBACKMEMBER(int, pfnSSMRegister,(PPDMDRVINS pDrvIns, const char *pszName, uint32_t u32Instance, uint32_t u32Version, size_t cbGuess,
547	PFNSSMDRVSAVEPREP pfnSavePrep, PFNSSMDRVSAVEEXEC pfnSaveExec, PFNSSMDRVSAVEDONE pfnSaveDone,
548	PFNSSMDRVLOADPREP pfnLoadPrep, PFNSSMDRVLOADEXEC pfnLoadExec, PFNSSMDRVLOADDONE pfnLoadDone));
549
550	/**
551	* Deregister a save state data unit.
552	*
553	* @returns VBox status.
554	* @param pDrvIns Driver instance.
555	* @param pszName Data unit name.
556	* @param u32Instance The instance identifier of the data unit.
557	* This must together with the name be unique.
558	*/
559	DECLR3CALLBACKMEMBER(int, pfnSSMDeregister,(PPDMDRVINS pDrvIns, const char *pszName, uint32_t u32Instance));
560
561	/**
562	* Registers a statistics sample if statistics are enabled.
563	*
564	* @param pDrvIns Driver instance.
565	* @param pvSample Pointer to the sample.
566	* @param enmType Sample type. This indicates what pvSample is pointing at.
567	* @param pszName Sample name. The name is on this form "/<component>/<sample>".
568	* Further nesting is possible.
569	* @param enmUnit Sample unit.
570	* @param pszDesc Sample description.
571	*/
572	DECLR3CALLBACKMEMBER(void, pfnSTAMRegister,(PPDMDRVINS pDrvIns, void pvSample, STAMTYPE enmType, const char pszName,
573	STAMUNIT enmUnit, const char *pszDesc));
574
575	/**
576	* Same as pfnSTAMRegister except that the name is specified in a
577	* RTStrPrintf like fashion.
578	*
579	* @returns VBox status.
580	* @param pDrvIns Driver instance.
581	* @param pvSample Pointer to the sample.
582	* @param enmType Sample type. This indicates what pvSample is pointing at.
583	* @param enmVisibility Visibility type specifying whether unused statistics should be visible or not.
584	* @param enmUnit Sample unit.
585	* @param pszDesc Sample description.
586	* @param pszName The sample name format string.
587	* @param ... Arguments to the format string.
588	*/
589	DECLR3CALLBACKMEMBER(void, pfnSTAMRegisterF,(PPDMDRVINS pDrvIns, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility,
590	STAMUNIT enmUnit, const char pszDesc, const char pszName, ...));
591
592	/**
593	* Same as pfnSTAMRegister except that the name is specified in a
594	* RTStrPrintfV like fashion.
595	*
596	* @returns VBox status.
597	* @param pDrvIns Driver instance.
598	* @param pvSample Pointer to the sample.
599	* @param enmType Sample type. This indicates what pvSample is pointing at.
600	* @param enmVisibility Visibility type specifying whether unused statistics should be visible or not.
601	* @param enmUnit Sample unit.
602	* @param pszDesc Sample description.
603	* @param pszName The sample name format string.
604	* @param args Arguments to the format string.
605	*/
606	DECLR3CALLBACKMEMBER(void, pfnSTAMRegisterV,(PPDMDRVINS pDrvIns, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility,
607	STAMUNIT enmUnit, const char pszDesc, const char pszName, va_list args));
608
609	/**
610	* Calls the HC R0 VMM entry point, in a safer but slower manner than SUPCallVMMR0.
611	*
612	* When entering using this call the R0 components can call into the host kernel
613	* (i.e. use the SUPR0 and RT APIs).
614	*
615	* See VMMR0Entry() for more details.
616	*
617	* @returns error code specific to uFunction.
618	* @param pDrvIns The driver instance.
619	* @param uOperation Operation to execute.
620	* This is limited to services.
621	* @param pvArg Pointer to argument structure or if cbArg is 0 just an value.
622	* @param cbArg The size of the argument. This is used to copy whatever the argument
623	* points at into a kernel buffer to avoid problems like the user page
624	* being invalidated while we're executing the call.
625	*/
626	DECLR3CALLBACKMEMBER(int, pfnSUPCallVMMR0Ex,(PPDMDRVINS pDrvIns, unsigned uOperation, void *pvArg, unsigned cbArg));
627
628	/**
629	* Registers a USB HUB.
630	*
631	* @returns VBox status code.
632	* @param pDrvIns The driver instance.
633	* @param fVersions Indicates the kinds of USB devices that can be attached to this HUB.
634	* @param cPorts The number of ports.
635	* @param pUsbHubReg The hub callback structure that PDMUsb uses to interact with it.
636	* @param ppUsbHubHlp The helper callback structure that the hub uses to talk to PDMUsb.
637	*
638	* @thread EMT.
639	*/
640	DECLR3CALLBACKMEMBER(int, pfnUSBRegisterHub,(PPDMDRVINS pDrvIns, uint32_t fVersions, uint32_t cPorts, PCPDMUSBHUBREG pUsbHubReg, PPCPDMUSBHUBHLP ppUsbHubHlp));
641
642	/**
643	* Creates a PDM thread.
644	*
645	* This differs from the RTThreadCreate() API in that PDM takes care of suspending,
646	* resuming, and destroying the thread as the VM state changes.
647	*
648	* @returns VBox status code.
649	* @param pDrvIns The driver instance.
650	* @param ppThread Where to store the thread 'handle'.
651	* @param pvUser The user argument to the thread function.
652	* @param pfnThread The thread function.
653	* @param pfnWakeup The wakup callback. This is called on the EMT thread when
654	* a state change is pending.
655	* @param cbStack See RTThreadCreate.
656	* @param enmType See RTThreadCreate.
657	* @param pszName See RTThreadCreate.
658	*/
659	DECLR3CALLBACKMEMBER(int, pfnPDMThreadCreate,(PPDMDRVINS pDrvIns, PPPDMTHREAD ppThread, void *pvUser, PFNPDMTHREADDRV pfnThread,
660	PFNPDMTHREADWAKEUPDRV pfnWakeup, size_t cbStack, RTTHREADTYPE enmType, const char *pszName));
661
662	/**
663	* Gets the VM state.
664	*
665	* @returns VM state.
666	* @param pDrvIns The driver instance.
667	* @thread Any thread (just keep in mind that it's volatile info).
668	*/
669	DECLR3CALLBACKMEMBER(VMSTATE, pfnVMState, (PPDMDRVINS pDrvIns));
670
671	#ifdef VBOX_WITH_PDM_ASYNC_COMPLETION
672	/**
673	* Creates a async completion template for a driver instance.
674	*
675	* The template is used when creating new completion tasks.
676	*
677	* @returns VBox status code.
678	* @param pDrvIns The driver instance.
679	* @param ppTemplate Where to store the template pointer on success.
680	* @param pfnCompleted The completion callback routine.
681	* @param pszDesc Description.
682	*/
683	DECLR3CALLBACKMEMBER(int, pfnPDMAsyncCompletionTemplateCreate,(PPDMDRVINS pDrvIns, PPPDMASYNCCOMPLETIONTEMPLATE ppTemplate,
684	PFNPDMASYNCCOMPLETEDRV pfnCompleted, const char *pszDesc));
685	#endif
686
687	/** Just a safety precaution. */
688	uint32_t u32TheEnd;
689	} PDMDRVHLP;
690	/** Pointer PDM Driver API. */
691	typedef PDMDRVHLP *PPDMDRVHLP;
692	/** Pointer const PDM Driver API. */
693	typedef const PDMDRVHLP *PCPDMDRVHLP;
694
695	/** Current DRVHLP version number. */
696	#define PDM_DRVHLP_VERSION 0x90020001
697
698
699
700	/**
701	* PDM Driver Instance.
702	*/
703	typedef struct PDMDRVINS
704	{
705	/** Structure version. PDM_DRVINS_VERSION defines the current version. */
706	uint32_t u32Version;
707
708	/** Internal data. */
709	union
710	{
711	#ifdef PDMDRVINSINT_DECLARED
712	PDMDRVINSINT s;
713	#endif
714	uint8_t padding[HC_ARCH_BITS == 32 ? 32 : 64];
715	} Internal;
716
717	/** Pointer the PDM Driver API. */
718	R3PTRTYPE(PCPDMDRVHLP) pDrvHlp;
719	/** Pointer to driver registration structure. */
720	R3PTRTYPE(PCPDMDRVREG) pDrvReg;
721	/** Configuration handle. */
722	R3PTRTYPE(PCFGMNODE) pCfgHandle;
723	/** Driver instance number. */
724	RTUINT iInstance;
725	/** Pointer to the base interface of the device/driver instance above. */
726	R3PTRTYPE(PPDMIBASE) pUpBase;
727	/** Pointer to the base interface of the driver instance below. */
728	R3PTRTYPE(PPDMIBASE) pDownBase;
729	/** The base interface of the driver.
730	* The driver constructor initializes this. */
731	PDMIBASE IBase;
732	/* padding to make achInstanceData aligned at 16 byte boundrary. */
733	uint32_t au32Padding[HC_ARCH_BITS == 32 ? 3 : 1];
734	/** Pointer to driver instance data. */
735	R3PTRTYPE(void *) pvInstanceData;
736	/** Driver instance data. The size of this area is defined
737	* in the PDMDRVREG::cbInstanceData field. */
738	char achInstanceData[4];
739	} PDMDRVINS;
740
741	/** Current DRVREG version number. */
742	#define PDM_DRVINS_VERSION 0xa0010000
743
744	/** Converts a pointer to the PDMDRVINS::IBase to a pointer to PDMDRVINS. */
745	#define PDMIBASE_2_PDMDRV(pInterface) ( (PPDMDRVINS)((char *)(pInterface) - RT_OFFSETOF(PDMDRVINS, IBase)) )
746
747	/**
748	* @copydoc PDMDRVHLP::pfnVMSetError
749	*/
750	DECLINLINE(int) PDMDrvHlpVMSetError(PPDMDRVINS pDrvIns, const int rc, RT_SRC_POS_DECL, const char *pszFormat, ...)
751	{
752	va_list va;
753	va_start(va, pszFormat);
754	pDrvIns->pDrvHlp->pfnVMSetErrorV(pDrvIns, rc, RT_SRC_POS_ARGS, pszFormat, va);
755	va_end(va);
756	return rc;
757	}
758
759	/** @def PDMDRV_SET_ERROR
760	* Set the VM error. See PDMDrvHlpVMSetError() for printf like message formatting.
761	*/
762	#define PDMDRV_SET_ERROR(pDrvIns, rc, pszError) \
763	PDMDrvHlpVMSetError(pDrvIns, rc, RT_SRC_POS, "%s", pszError)
764
765	/**
766	* @copydoc PDMDRVHLP::pfnVMSetRuntimeError
767	*/
768	DECLINLINE(int) PDMDrvHlpVMSetRuntimeError(PPDMDRVINS pDrvIns, bool fFatal, const char pszErrorID, const char pszFormat, ...)
769	{
770	va_list va;
771	int rc;
772	va_start(va, pszFormat);
773	rc = pDrvIns->pDrvHlp->pfnVMSetRuntimeErrorV(pDrvIns, fFatal, pszErrorID, pszFormat, va);
774	va_end(va);
775	return rc;
776	}
777
778	/** @def PDMDRV_SET_RUNTIME_ERROR
779	* Set the VM runtime error. See PDMDrvHlpVMSetRuntimeError() for printf like message formatting.
780	*/
781	#define PDMDRV_SET_RUNTIME_ERROR(pDrvIns, fFatal, pszErrorID, pszError) \
782	PDMDrvHlpVMSetRuntimeError(pDrvIns, fFatal, pszErrorID, "%s", pszError)
783
784	#endif /* IN_RING3 */
785
786
787	/** @def PDMDRV_ASSERT_EMT
788	* Assert that the current thread is the emulation thread.
789	*/
790	#ifdef VBOX_STRICT
791	# define PDMDRV_ASSERT_EMT(pDrvIns) pDrvIns->pDrvHlp->pfnAssertEMT(pDrvIns, __FILE__, __LINE__, __FUNCTION__)
792	#else
793	# define PDMDRV_ASSERT_EMT(pDrvIns) do { } while (0)
794	#endif
795
796	/** @def PDMDRV_ASSERT_OTHER
797	* Assert that the current thread is NOT the emulation thread.
798	*/
799	#ifdef VBOX_STRICT
800	# define PDMDRV_ASSERT_OTHER(pDrvIns) pDrvIns->pDrvHlp->pfnAssertOther(pDrvIns, __FILE__, __LINE__, __FUNCTION__)
801	#else
802	# define PDMDRV_ASSERT_OTHER(pDrvIns) do { } while (0)
803	#endif
804
805
806	#ifdef IN_RING3
807	/**
808	* @copydoc PDMDRVHLP::pfnSSMRegister
809	*/
810	DECLINLINE(int) PDMDrvHlpSSMRegister(PPDMDRVINS pDrvIns, const char *pszName, uint32_t u32Instance, uint32_t u32Version, size_t cbGuess,
811	PFNSSMDRVSAVEPREP pfnSavePrep, PFNSSMDRVSAVEEXEC pfnSaveExec, PFNSSMDRVSAVEDONE pfnSaveDone,
812	PFNSSMDRVLOADPREP pfnLoadPrep, PFNSSMDRVLOADEXEC pfnLoadExec, PFNSSMDRVLOADDONE pfnLoadDone)
813	{
814	return pDrvIns->pDrvHlp->pfnSSMRegister(pDrvIns, pszName, u32Instance, u32Version, cbGuess,
815	pfnSavePrep, pfnSaveExec, pfnSaveDone,
816	pfnLoadPrep, pfnLoadExec, pfnLoadDone);
817	}
818
819
820	/**
821	* @copydoc PDMDRVHLP::pfnSTAMRegister
822	*/
823	DECLINLINE(void) PDMDrvHlpSTAMRegister(PPDMDRVINS pDrvIns, void pvSample, STAMTYPE enmType, const char pszName, STAMUNIT enmUnit, const char *pszDesc)
824	{
825	pDrvIns->pDrvHlp->pfnSTAMRegister(pDrvIns, pvSample, enmType, pszName, enmUnit, pszDesc);
826	}
827
828	/**
829	* @copydoc PDMDRVHLP::pfnSTAMRegisterF
830	*/
831	DECLINLINE(void) PDMDrvHlpSTAMRegisterF(PPDMDRVINS pDrvIns, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility, STAMUNIT enmUnit,
832	const char pszDesc, const char pszName, ...)
833	{
834	va_list va;
835	va_start(va, pszName);
836	pDrvIns->pDrvHlp->pfnSTAMRegisterV(pDrvIns, pvSample, enmType, enmVisibility, enmUnit, pszDesc, pszName, va);
837	va_end(va);
838	}
839
840	/**
841	* @copydoc PDMDRVHLP::pfnUSBRegisterHub
842	*/
843	DECLINLINE(int) PDMDrvHlpUSBRegisterHub(PPDMDRVINS pDrvIns, uint32_t fVersions, uint32_t cPorts, PCPDMUSBHUBREG pUsbHubReg, PPCPDMUSBHUBHLP ppUsbHubHlp)
844	{
845	return pDrvIns->pDrvHlp->pfnUSBRegisterHub(pDrvIns, fVersions, cPorts, pUsbHubReg, ppUsbHubHlp);
846	}
847
848	/**
849	* @copydoc PDMDRVHLP::pfnPDMThreadCreate
850	*/
851	DECLINLINE(int) PDMDrvHlpPDMThreadCreate(PPDMDRVINS pDrvIns, PPPDMTHREAD ppThread, void *pvUser, PFNPDMTHREADDRV pfnThread,
852	PFNPDMTHREADWAKEUPDRV pfnWakeup, size_t cbStack, RTTHREADTYPE enmType, const char *pszName)
853	{
854	return pDrvIns->pDrvHlp->pfnPDMThreadCreate(pDrvIns, ppThread, pvUser, pfnThread, pfnWakeup, cbStack, enmType, pszName);
855	}
856
857	/**
858	* @copydoc PDMDRVHLP::pfnVMState
859	*/
860	DECLINLINE(VMSTATE) PDMDrvHlpVMState(PPDMDRVINS pDrvIns)
861	{
862	return pDrvIns->pDrvHlp->pfnVMState(pDrvIns);
863	}
864
865	#ifdef VBOX_WITH_PDM_ASYNC_COMPLETION
866	/**
867	* @copydoc PDMDRVHLP::pfnPDMAsyncCompletionTemplateCreate
868	*/
869	DECLINLINE(int) PDMDrvHlpPDMAsyncCompletionTemplateCreate(PPDMDRVINS pDrvIns, PPPDMASYNCCOMPLETIONTEMPLATE ppTemplate,
870	PFNPDMASYNCCOMPLETEDRV pfnCompleted, const char *pszDesc)
871	{
872	return pDrvIns->pDrvHlp->pfnPDMAsyncCompletionTemplateCreate(pDrvIns, ppTemplate, pfnCompleted, pszDesc);
873	}
874	#endif
875
876	#endif /* IN_RING3 */
877
878
879
880	/** Pointer to callbacks provided to the VBoxDriverRegister() call. */
881	typedef struct PDMDRVREGCB *PPDMDRVREGCB;
882	/** Pointer to const callbacks provided to the VBoxDriverRegister() call. */
883	typedef const struct PDMDRVREGCB *PCPDMDRVREGCB;
884
885	/**
886	* Callbacks for VBoxDriverRegister().
887	*/
888	typedef struct PDMDRVREGCB
889	{
890	/** Interface version.
891	* This is set to PDM_DRVREG_CB_VERSION. */
892	uint32_t u32Version;
893
894	/**
895	* Registers a driver with the current VM instance.
896	*
897	* @returns VBox status code.
898	* @param pCallbacks Pointer to the callback table.
899	* @param pDrvReg Pointer to the driver registration record.
900	* This data must be permanent and readonly.
901	*/
902	DECLR3CALLBACKMEMBER(int, pfnRegister,(PCPDMDRVREGCB pCallbacks, PCPDMDRVREG pDrvReg));
903	} PDMDRVREGCB;
904
905	/** Current version of the PDMDRVREGCB structure. */
906	#define PDM_DRVREG_CB_VERSION 0xb0010000
907
908
909	/**
910	* The VBoxDriverRegister callback function.
911	*
912	* PDM will invoke this function after loading a driver module and letting
913	* the module decide which drivers to register and how to handle conflicts.
914	*
915	* @returns VBox status code.
916	* @param pCallbacks Pointer to the callback table.
917	* @param u32Version VBox version number.
918	*/
919	typedef DECLCALLBACK(int) FNPDMVBOXDRIVERSREGISTER(PCPDMDRVREGCB pCallbacks, uint32_t u32Version);
920
921	/**
922	* Register external drivers
923	*
924	* @returns VBox status code.
925	* @param pVM The VM to operate on.
926	* @param pfnCallback Driver registration callback
927	*/
928	PDMR3DECL(int) PDMR3RegisterDrivers(PVM pVM, FNPDMVBOXDRIVERSREGISTER pfnCallback);
929
930	/** @} */
931
932	__END_DECLS
933
934	#endif

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source: vbox/trunk/include/VBox/pdmdrv.h@ 12065

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