pdmdrv.h@ 18618

Last change on this file since 18618 was 15940, checked in by vboxsync, 16 years ago
added some more PDMDrv helpers
Property svn:eol-style set to `native` Property svn:keywords set to `Id`
File size: 35.2 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 The PDM Drivers API
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	/** SCSI driver. */
271	#define PDM_DRVREG_CLASS_SCSI RT_BIT(15)
272	/** @} */
273
274
275	/**
276	* USB hub registration structure.
277	*/
278	typedef struct PDMUSBHUBREG
279	{
280	/** Structure version number. PDM_USBHUBREG_VERSION defines the current version. */
281	uint32_t u32Version;
282
283	/**
284	* Request the hub to attach of the specified device.
285	*
286	* @returns VBox status code.
287	* @param pDrvIns The hub instance.
288	* @param pUsbIns The device to attach.
289	* @param piPort Where to store the port number the device was attached to.
290	* @thread EMT.
291	*/
292	DECLR3CALLBACKMEMBER(int, pfnAttachDevice,(PPDMDRVINS pDrvIns, PPDMUSBINS pUsbIns, uint32_t *piPort));
293
294	/**
295	* Request the hub to detach of the specified device.
296	*
297	* The device has previously been attached to the hub with the
298	* pfnAttachDevice call. This call is not currently expected to
299	* fail.
300	*
301	* @returns VBox status code.
302	* @param pDrvIns The hub instance.
303	* @param pUsbIns The device to detach.
304	* @param iPort The port number returned by the attach call.
305	* @thread EMT.
306	*/
307	DECLR3CALLBACKMEMBER(int, pfnDetachDevice,(PPDMDRVINS pDrvIns, PPDMUSBINS pUsbIns, uint32_t iPort));
308
309	/** Counterpart to u32Version, same value. */
310	uint32_t u32TheEnd;
311	} PDMUSBHUBREG;
312	/** Pointer to a const USB hub registration structure. */
313	typedef const PDMUSBHUBREG *PCPDMUSBHUBREG;
314
315	/** Current PDMUSBHUBREG version number. */
316	#define PDM_USBHUBREG_VERSION 0xeb010000
317
318
319	/**
320	* USB hub helpers.
321	* This is currently just a place holder.
322	*/
323	typedef struct PDMUSBHUBHLP
324	{
325	/** Structure version. PDM_USBHUBHLP_VERSION defines the current version. */
326	uint32_t u32Version;
327
328	/** Just a safety precaution. */
329	uint32_t u32TheEnd;
330	} PDMUSBHUBHLP;
331	/** Pointer to PCI helpers. */
332	typedef PDMUSBHUBHLP *PPDMUSBHUBHLP;
333	/** Pointer to const PCI helpers. */
334	typedef const PDMUSBHUBHLP *PCPDMUSBHUBHLP;
335	/** Pointer to const PCI helpers pointer. */
336	typedef PCPDMUSBHUBHLP *PPCPDMUSBHUBHLP;
337
338	/** Current PDMUSBHUBHLP version number. */
339	#define PDM_USBHUBHLP_VERSION 0xea010000
340
341
342
343	/**
344	* Poller callback.
345	*
346	* @param pDrvIns The driver instance.
347	*/
348	typedef DECLCALLBACK(void) FNPDMDRVPOLLER(PPDMDRVINS pDrvIns);
349	/** Pointer to a FNPDMDRVPOLLER function. */
350	typedef FNPDMDRVPOLLER *PFNPDMDRVPOLLER;
351
352	#ifdef IN_RING3
353	/**
354	* PDM Driver API.
355	*/
356	typedef struct PDMDRVHLP
357	{
358	/** Structure version. PDM_DRVHLP_VERSION defines the current version. */
359	uint32_t u32Version;
360
361	/**
362	* Attaches a driver (chain) to the driver.
363	*
364	* @returns VBox status code.
365	* @param pDrvIns Driver instance.
366	* @param ppBaseInterface Where to store the pointer to the base interface.
367	*/
368	DECLR3CALLBACKMEMBER(int, pfnAttach,(PPDMDRVINS pDrvIns, PPDMIBASE *ppBaseInterface));
369
370	/**
371	* Detach the driver the drivers below us.
372	*
373	* @returns VBox status code.
374	* @param pDrvIns Driver instance.
375	*/
376	DECLR3CALLBACKMEMBER(int, pfnDetach,(PPDMDRVINS pDrvIns));
377
378	/**
379	* Detach the driver from the driver above it and destroy this
380	* driver and all drivers below it.
381	*
382	* @returns VBox status code.
383	* @param pDrvIns Driver instance.
384	*/
385	DECLR3CALLBACKMEMBER(int, pfnDetachSelf,(PPDMDRVINS pDrvIns));
386
387	/**
388	* Prepare a media mount.
389	*
390	* The driver must not have anything attached to itself
391	* when calling this function as the purpose is to set up the configuration
392	* of an future attachment.
393	*
394	* @returns VBox status code
395	* @param pDrvIns Driver instance.
396	* @param pszFilename Pointer to filename. If this is NULL it assumed that the caller have
397	* constructed a configuration which can be attached to the bottom driver.
398	* @param pszCoreDriver Core driver name. NULL will cause autodetection. Ignored if pszFilanem is NULL.
399	*/
400	DECLR3CALLBACKMEMBER(int, pfnMountPrepare,(PPDMDRVINS pDrvIns, const char pszFilename, const char pszCoreDriver));
401
402	/**
403	* Assert that the current thread is the emulation thread.
404	*
405	* @returns True if correct.
406	* @returns False if wrong.
407	* @param pDrvIns Driver instance.
408	* @param pszFile Filename of the assertion location.
409	* @param iLine Linenumber of the assertion location.
410	* @param pszFunction Function of the assertion location.
411	*/
412	DECLR3CALLBACKMEMBER(bool, pfnAssertEMT,(PPDMDRVINS pDrvIns, const char pszFile, unsigned iLine, const char pszFunction));
413
414	/**
415	* Assert that the current thread is NOT the emulation thread.
416	*
417	* @returns True if correct.
418	* @returns False if wrong.
419	* @param pDrvIns Driver instance.
420	* @param pszFile Filename of the assertion location.
421	* @param iLine Linenumber of the assertion location.
422	* @param pszFunction Function of the assertion location.
423	*/
424	DECLR3CALLBACKMEMBER(bool, pfnAssertOther,(PPDMDRVINS pDrvIns, const char pszFile, unsigned iLine, const char pszFunction));
425
426	/**
427	* Set the VM error message
428	*
429	* @returns rc.
430	* @param pDrvIns Driver instance.
431	* @param rc VBox status code.
432	* @param RT_SRC_POS_DECL Use RT_SRC_POS.
433	* @param pszFormat Error message format string.
434	* @param ... Error message arguments.
435	*/
436	DECLR3CALLBACKMEMBER(int, pfnVMSetError,(PPDMDRVINS pDrvIns, int rc, RT_SRC_POS_DECL, const char *pszFormat, ...));
437
438	/**
439	* Set the VM error message
440	*
441	* @returns rc.
442	* @param pDrvIns Driver instance.
443	* @param rc VBox status code.
444	* @param RT_SRC_POS_DECL Use RT_SRC_POS.
445	* @param pszFormat Error message format string.
446	* @param va Error message arguments.
447	*/
448	DECLR3CALLBACKMEMBER(int, pfnVMSetErrorV,(PPDMDRVINS pDrvIns, int rc, RT_SRC_POS_DECL, const char *pszFormat, va_list va));
449
450	/**
451	* Set the VM runtime error message
452	*
453	* @returns VBox status code.
454	* @param pDrvIns Driver instance.
455	* @param fFatal Whether it is a fatal error or not.
456	* @param pszErrorID Error ID string.
457	* @param pszFormat Error message format string.
458	* @param ... Error message arguments.
459	*/
460	DECLR3CALLBACKMEMBER(int, pfnVMSetRuntimeError,(PPDMDRVINS pDrvIns, bool fFatal, const char pszErrorID, const char pszFormat, ...));
461
462	/**
463	* Set the VM runtime error message
464	*
465	* @returns VBox status code.
466	* @param pDrvIns Driver instance.
467	* @param fFatal Whether it is a fatal error or not.
468	* @param pszErrorID Error ID string.
469	* @param pszFormat Error message format string.
470	* @param va Error message arguments.
471	*/
472	DECLR3CALLBACKMEMBER(int, pfnVMSetRuntimeErrorV,(PPDMDRVINS pDrvIns, bool fFatal, const char pszErrorID, const char pszFormat, va_list va));
473
474	/**
475	* Create a queue.
476	*
477	* @returns VBox status code.
478	* @param pDrvIns Driver instance.
479	* @param cbItem Size a queue item.
480	* @param cItems Number of items in the queue.
481	* @param cMilliesInterval Number of milliseconds between polling the queue.
482	* If 0 then the emulation thread will be notified whenever an item arrives.
483	* @param pfnCallback The consumer function.
484	* @param ppQueue Where to store the queue handle on success.
485	* @thread The emulation thread.
486	*/
487	DECLR3CALLBACKMEMBER(int, pfnPDMQueueCreate,(PPDMDRVINS pDrvIns, RTUINT cbItem, RTUINT cItems, uint32_t cMilliesInterval, PFNPDMQUEUEDRV pfnCallback, PPDMQUEUE *ppQueue));
488
489	/**
490	* Register a poller function.
491	* TEMPORARY HACK FOR NETWORKING! DON'T USE!
492	*
493	* @returns VBox status code.
494	* @param pDrvIns Driver instance.
495	* @param pfnPoller The callback function.
496	*/
497	DECLR3CALLBACKMEMBER(int, pfnPDMPollerRegister,(PPDMDRVINS pDrvIns, PFNPDMDRVPOLLER pfnPoller));
498
499	/**
500	* Query the virtual timer frequency.
501	*
502	* @returns Frequency in Hz.
503	* @param pDrvIns Driver instance.
504	* @thread Any thread.
505	*/
506	DECLR3CALLBACKMEMBER(uint64_t, pfnTMGetVirtualFreq,(PPDMDRVINS pDrvIns));
507
508	/**
509	* Query the virtual time.
510	*
511	* @returns The current virtual time.
512	* @param pDrvIns Driver instance.
513	* @thread Any thread.
514	*/
515	DECLR3CALLBACKMEMBER(uint64_t, pfnTMGetVirtualTime,(PPDMDRVINS pDrvIns));
516
517	/**
518	* Creates a timer.
519	*
520	* @returns VBox status.
521	* @param pDrvIns Driver instance.
522	* @param enmClock The clock to use on this timer.
523	* @param pfnCallback Callback function.
524	* @param pszDesc Pointer to description string which must stay around
525	* until the timer is fully destroyed (i.e. a bit after TMTimerDestroy()).
526	* @param ppTimer Where to store the timer on success.
527	* @thread EMT
528	*/
529	DECLR3CALLBACKMEMBER(int, pfnTMTimerCreate,(PPDMDRVINS pDrvIns, TMCLOCK enmClock, PFNTMTIMERDRV pfnCallback, const char *pszDesc, PPTMTIMERR3 ppTimer));
530
531	/**
532	* Register a save state data unit.
533	*
534	* @returns VBox status.
535	* @param pDrvIns Driver instance.
536	* @param pszName Data unit name.
537	* @param u32Instance The instance identifier of the data unit.
538	* This must together with the name be unique.
539	* @param u32Version Data layout version number.
540	* @param cbGuess The approximate amount of data in the unit.
541	* Only for progress indicators.
542	* @param pfnSavePrep Prepare save callback, optional.
543	* @param pfnSaveExec Execute save callback, optional.
544	* @param pfnSaveDone Done save callback, optional.
545	* @param pfnLoadPrep Prepare load callback, optional.
546	* @param pfnLoadExec Execute load callback, optional.
547	* @param pfnLoadDone Done load callback, optional.
548	*/
549	DECLR3CALLBACKMEMBER(int, pfnSSMRegister,(PPDMDRVINS pDrvIns, const char *pszName, uint32_t u32Instance, uint32_t u32Version, size_t cbGuess,
550	PFNSSMDRVSAVEPREP pfnSavePrep, PFNSSMDRVSAVEEXEC pfnSaveExec, PFNSSMDRVSAVEDONE pfnSaveDone,
551	PFNSSMDRVLOADPREP pfnLoadPrep, PFNSSMDRVLOADEXEC pfnLoadExec, PFNSSMDRVLOADDONE pfnLoadDone));
552
553	/**
554	* Deregister a save state data unit.
555	*
556	* @returns VBox status.
557	* @param pDrvIns Driver instance.
558	* @param pszName Data unit name.
559	* @param u32Instance The instance identifier of the data unit.
560	* This must together with the name be unique.
561	*/
562	DECLR3CALLBACKMEMBER(int, pfnSSMDeregister,(PPDMDRVINS pDrvIns, const char *pszName, uint32_t u32Instance));
563
564	/**
565	* Registers a statistics sample if statistics are enabled.
566	*
567	* @param pDrvIns Driver instance.
568	* @param pvSample Pointer to the sample.
569	* @param enmType Sample type. This indicates what pvSample is pointing at.
570	* @param pszName Sample name. The name is on this form "/<component>/<sample>".
571	* Further nesting is possible.
572	* @param enmUnit Sample unit.
573	* @param pszDesc Sample description.
574	*/
575	DECLR3CALLBACKMEMBER(void, pfnSTAMRegister,(PPDMDRVINS pDrvIns, void pvSample, STAMTYPE enmType, const char pszName,
576	STAMUNIT enmUnit, const char *pszDesc));
577
578	/**
579	* Same as pfnSTAMRegister except that the name is specified in a
580	* RTStrPrintf like fashion.
581	*
582	* @returns VBox status.
583	* @param pDrvIns Driver instance.
584	* @param pvSample Pointer to the sample.
585	* @param enmType Sample type. This indicates what pvSample is pointing at.
586	* @param enmVisibility Visibility type specifying whether unused statistics should be visible or not.
587	* @param enmUnit Sample unit.
588	* @param pszDesc Sample description.
589	* @param pszName The sample name format string.
590	* @param ... Arguments to the format string.
591	*/
592	DECLR3CALLBACKMEMBER(void, pfnSTAMRegisterF,(PPDMDRVINS pDrvIns, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility,
593	STAMUNIT enmUnit, const char pszDesc, const char pszName, ...));
594
595	/**
596	* Same as pfnSTAMRegister except that the name is specified in a
597	* RTStrPrintfV like fashion.
598	*
599	* @returns VBox status.
600	* @param pDrvIns Driver instance.
601	* @param pvSample Pointer to the sample.
602	* @param enmType Sample type. This indicates what pvSample is pointing at.
603	* @param enmVisibility Visibility type specifying whether unused statistics should be visible or not.
604	* @param enmUnit Sample unit.
605	* @param pszDesc Sample description.
606	* @param pszName The sample name format string.
607	* @param args Arguments to the format string.
608	*/
609	DECLR3CALLBACKMEMBER(void, pfnSTAMRegisterV,(PPDMDRVINS pDrvIns, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility,
610	STAMUNIT enmUnit, const char pszDesc, const char pszName, va_list args));
611
612	/**
613	* Calls the HC R0 VMM entry point, in a safer but slower manner than SUPCallVMMR0.
614	*
615	* When entering using this call the R0 components can call into the host kernel
616	* (i.e. use the SUPR0 and RT APIs).
617	*
618	* See VMMR0Entry() for more details.
619	*
620	* @returns error code specific to uFunction.
621	* @param pDrvIns The driver instance.
622	* @param uOperation Operation to execute.
623	* This is limited to services.
624	* @param pvArg Pointer to argument structure or if cbArg is 0 just an value.
625	* @param cbArg The size of the argument. This is used to copy whatever the argument
626	* points at into a kernel buffer to avoid problems like the user page
627	* being invalidated while we're executing the call.
628	*/
629	DECLR3CALLBACKMEMBER(int, pfnSUPCallVMMR0Ex,(PPDMDRVINS pDrvIns, unsigned uOperation, void *pvArg, unsigned cbArg));
630
631	/**
632	* Registers a USB HUB.
633	*
634	* @returns VBox status code.
635	* @param pDrvIns The driver instance.
636	* @param fVersions Indicates the kinds of USB devices that can be attached to this HUB.
637	* @param cPorts The number of ports.
638	* @param pUsbHubReg The hub callback structure that PDMUsb uses to interact with it.
639	* @param ppUsbHubHlp The helper callback structure that the hub uses to talk to PDMUsb.
640	*
641	* @thread EMT.
642	*/
643	DECLR3CALLBACKMEMBER(int, pfnUSBRegisterHub,(PPDMDRVINS pDrvIns, uint32_t fVersions, uint32_t cPorts, PCPDMUSBHUBREG pUsbHubReg, PPCPDMUSBHUBHLP ppUsbHubHlp));
644
645	/**
646	* Creates a PDM thread.
647	*
648	* This differs from the RTThreadCreate() API in that PDM takes care of suspending,
649	* resuming, and destroying the thread as the VM state changes.
650	*
651	* @returns VBox status code.
652	* @param pDrvIns The driver instance.
653	* @param ppThread Where to store the thread 'handle'.
654	* @param pvUser The user argument to the thread function.
655	* @param pfnThread The thread function.
656	* @param pfnWakeup The wakup callback. This is called on the EMT thread when
657	* a state change is pending.
658	* @param cbStack See RTThreadCreate.
659	* @param enmType See RTThreadCreate.
660	* @param pszName See RTThreadCreate.
661	*/
662	DECLR3CALLBACKMEMBER(int, pfnPDMThreadCreate,(PPDMDRVINS pDrvIns, PPPDMTHREAD ppThread, void *pvUser, PFNPDMTHREADDRV pfnThread,
663	PFNPDMTHREADWAKEUPDRV pfnWakeup, size_t cbStack, RTTHREADTYPE enmType, const char *pszName));
664
665	/**
666	* Gets the VM state.
667	*
668	* @returns VM state.
669	* @param pDrvIns The driver instance.
670	* @thread Any thread (just keep in mind that it's volatile info).
671	*/
672	DECLR3CALLBACKMEMBER(VMSTATE, pfnVMState, (PPDMDRVINS pDrvIns));
673
674	#ifdef VBOX_WITH_PDM_ASYNC_COMPLETION
675	/**
676	* Creates a async completion template for a driver instance.
677	*
678	* The template is used when creating new completion tasks.
679	*
680	* @returns VBox status code.
681	* @param pDrvIns The driver instance.
682	* @param ppTemplate Where to store the template pointer on success.
683	* @param pfnCompleted The completion callback routine.
684	* @param pszDesc Description.
685	*/
686	DECLR3CALLBACKMEMBER(int, pfnPDMAsyncCompletionTemplateCreate,(PPDMDRVINS pDrvIns, PPPDMASYNCCOMPLETIONTEMPLATE ppTemplate,
687	PFNPDMASYNCCOMPLETEDRV pfnCompleted, const char *pszDesc));
688	#endif
689
690	/** Just a safety precaution. */
691	uint32_t u32TheEnd;
692	} PDMDRVHLP;
693	/** Pointer PDM Driver API. */
694	typedef PDMDRVHLP *PPDMDRVHLP;
695	/** Pointer const PDM Driver API. */
696	typedef const PDMDRVHLP *PCPDMDRVHLP;
697
698	/** Current DRVHLP version number. */
699	#define PDM_DRVHLP_VERSION 0x90020001
700
701
702
703	/**
704	* PDM Driver Instance.
705	*/
706	typedef struct PDMDRVINS
707	{
708	/** Structure version. PDM_DRVINS_VERSION defines the current version. */
709	uint32_t u32Version;
710
711	/** Internal data. */
712	union
713	{
714	#ifdef PDMDRVINSINT_DECLARED
715	PDMDRVINSINT s;
716	#endif
717	uint8_t padding[HC_ARCH_BITS == 32 ? 32 : 64];
718	} Internal;
719
720	/** Pointer the PDM Driver API. */
721	R3PTRTYPE(PCPDMDRVHLP) pDrvHlp;
722	/** Pointer to driver registration structure. */
723	R3PTRTYPE(PCPDMDRVREG) pDrvReg;
724	/** Configuration handle. */
725	R3PTRTYPE(PCFGMNODE) pCfgHandle;
726	/** Driver instance number. */
727	RTUINT iInstance;
728	/** Pointer to the base interface of the device/driver instance above. */
729	R3PTRTYPE(PPDMIBASE) pUpBase;
730	/** Pointer to the base interface of the driver instance below. */
731	R3PTRTYPE(PPDMIBASE) pDownBase;
732	/** The base interface of the driver.
733	* The driver constructor initializes this. */
734	PDMIBASE IBase;
735	/* padding to make achInstanceData aligned at 16 byte boundrary. */
736	uint32_t au32Padding[HC_ARCH_BITS == 32 ? 3 : 1];
737	/** Pointer to driver instance data. */
738	R3PTRTYPE(void *) pvInstanceData;
739	/** Driver instance data. The size of this area is defined
740	* in the PDMDRVREG::cbInstanceData field. */
741	char achInstanceData[4];
742	} PDMDRVINS;
743
744	/** Current DRVREG version number. */
745	#define PDM_DRVINS_VERSION 0xa0010000
746
747	/** Converts a pointer to the PDMDRVINS::IBase to a pointer to PDMDRVINS. */
748	#define PDMIBASE_2_PDMDRV(pInterface) ( (PPDMDRVINS)((char *)(pInterface) - RT_OFFSETOF(PDMDRVINS, IBase)) )
749
750	/**
751	* @copydoc PDMDRVHLP::pfnVMSetError
752	*/
753	DECLINLINE(int) PDMDrvHlpVMSetError(PPDMDRVINS pDrvIns, const int rc, RT_SRC_POS_DECL, const char *pszFormat, ...)
754	{
755	va_list va;
756	va_start(va, pszFormat);
757	pDrvIns->pDrvHlp->pfnVMSetErrorV(pDrvIns, rc, RT_SRC_POS_ARGS, pszFormat, va);
758	va_end(va);
759	return rc;
760	}
761
762	/** @def PDMDRV_SET_ERROR
763	* Set the VM error. See PDMDrvHlpVMSetError() for printf like message formatting.
764	*/
765	#define PDMDRV_SET_ERROR(pDrvIns, rc, pszError) \
766	PDMDrvHlpVMSetError(pDrvIns, rc, RT_SRC_POS, "%s", pszError)
767
768	/**
769	* @copydoc PDMDRVHLP::pfnVMSetRuntimeError
770	*/
771	DECLINLINE(int) PDMDrvHlpVMSetRuntimeError(PPDMDRVINS pDrvIns, bool fFatal, const char pszErrorID, const char pszFormat, ...)
772	{
773	va_list va;
774	int rc;
775	va_start(va, pszFormat);
776	rc = pDrvIns->pDrvHlp->pfnVMSetRuntimeErrorV(pDrvIns, fFatal, pszErrorID, pszFormat, va);
777	va_end(va);
778	return rc;
779	}
780
781	/** @def PDMDRV_SET_RUNTIME_ERROR
782	* Set the VM runtime error. See PDMDrvHlpVMSetRuntimeError() for printf like message formatting.
783	*/
784	#define PDMDRV_SET_RUNTIME_ERROR(pDrvIns, fFatal, pszErrorID, pszError) \
785	PDMDrvHlpVMSetRuntimeError(pDrvIns, fFatal, pszErrorID, "%s", pszError)
786
787	#endif /* IN_RING3 */
788
789
790	/** @def PDMDRV_ASSERT_EMT
791	* Assert that the current thread is the emulation thread.
792	*/
793	#ifdef VBOX_STRICT
794	# define PDMDRV_ASSERT_EMT(pDrvIns) pDrvIns->pDrvHlp->pfnAssertEMT(pDrvIns, __FILE__, __LINE__, __FUNCTION__)
795	#else
796	# define PDMDRV_ASSERT_EMT(pDrvIns) do { } while (0)
797	#endif
798
799	/** @def PDMDRV_ASSERT_OTHER
800	* Assert that the current thread is NOT the emulation thread.
801	*/
802	#ifdef VBOX_STRICT
803	# define PDMDRV_ASSERT_OTHER(pDrvIns) pDrvIns->pDrvHlp->pfnAssertOther(pDrvIns, __FILE__, __LINE__, __FUNCTION__)
804	#else
805	# define PDMDRV_ASSERT_OTHER(pDrvIns) do { } while (0)
806	#endif
807
808
809	#ifdef IN_RING3
810
811	/**
812	* @copydoc PDMDRVHLP::pfnPDMQueueCreate
813	*/
814	DECLINLINE(int) PDMDrvHlpPDMQueueCreate(PPDMDRVINS pDrvIns, RTUINT cbItem, RTUINT cItems, uint32_t cMilliesInterval,
815	PFNPDMQUEUEDRV pfnCallback, PPDMQUEUE *ppQueue)
816	{
817	return pDrvIns->pDrvHlp->pfnPDMQueueCreate(pDrvIns, cbItem, cItems, cMilliesInterval, pfnCallback, ppQueue);
818	}
819
820	/**
821	* @copydoc PDMDRVHLP::pfnGetVirtualFreq
822	*/
823	DECLINLINE(uint64_t) PDMDrvHlpTMGetVirtualFreq(PPDMDRVINS pDrvIns)
824	{
825	return pDrvIns->pDrvHlp->pfnTMGetVirtualFreq(pDrvIns);
826	}
827
828	/**
829	* @copydoc PDMDRVHLP::pfnTMGetVirtualTime
830	*/
831	DECLINLINE(uint64_t) PDMDrvHlpTMGetVirtualTime(PPDMDRVINS pDrvIns)
832	{
833	return pDrvIns->pDrvHlp->pfnTMGetVirtualTime(pDrvIns);
834	}
835
836	/**
837	* @copydoc PDMDRVHLP::pfnTMTimerCreate
838	*/
839	DECLINLINE(int) PDMDrvHlpTMTimerCreate(PPDMDRVINS pDrvIns, TMCLOCK enmClock, PFNTMTIMERDRV pfnCallback, const char *pszDesc, PPTMTIMERR3 ppTimer)
840	{
841	return pDrvIns->pDrvHlp->pfnTMTimerCreate(pDrvIns, enmClock, pfnCallback, pszDesc, ppTimer);
842	}
843
844	/**
845	* @copydoc PDMDRVHLP::pfnSSMRegister
846	*/
847	DECLINLINE(int) PDMDrvHlpSSMRegister(PPDMDRVINS pDrvIns, const char *pszName, uint32_t u32Instance, uint32_t u32Version, size_t cbGuess,
848	PFNSSMDRVSAVEPREP pfnSavePrep, PFNSSMDRVSAVEEXEC pfnSaveExec, PFNSSMDRVSAVEDONE pfnSaveDone,
849	PFNSSMDRVLOADPREP pfnLoadPrep, PFNSSMDRVLOADEXEC pfnLoadExec, PFNSSMDRVLOADDONE pfnLoadDone)
850	{
851	return pDrvIns->pDrvHlp->pfnSSMRegister(pDrvIns, pszName, u32Instance, u32Version, cbGuess,
852	pfnSavePrep, pfnSaveExec, pfnSaveDone,
853	pfnLoadPrep, pfnLoadExec, pfnLoadDone);
854	}
855
856	/**
857	* @copydoc PDMDRVHLP::pfnSTAMRegister
858	*/
859	DECLINLINE(void) PDMDrvHlpSTAMRegister(PPDMDRVINS pDrvIns, void pvSample, STAMTYPE enmType, const char pszName, STAMUNIT enmUnit, const char *pszDesc)
860	{
861	pDrvIns->pDrvHlp->pfnSTAMRegister(pDrvIns, pvSample, enmType, pszName, enmUnit, pszDesc);
862	}
863
864	/**
865	* @copydoc PDMDRVHLP::pfnSTAMRegisterF
866	*/
867	DECLINLINE(void) PDMDrvHlpSTAMRegisterF(PPDMDRVINS pDrvIns, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility, STAMUNIT enmUnit,
868	const char pszDesc, const char pszName, ...)
869	{
870	va_list va;
871	va_start(va, pszName);
872	pDrvIns->pDrvHlp->pfnSTAMRegisterV(pDrvIns, pvSample, enmType, enmVisibility, enmUnit, pszDesc, pszName, va);
873	va_end(va);
874	}
875
876	/**
877	* @copydoc PDMDRVHLP::pfnUSBRegisterHub
878	*/
879	DECLINLINE(int) PDMDrvHlpUSBRegisterHub(PPDMDRVINS pDrvIns, uint32_t fVersions, uint32_t cPorts, PCPDMUSBHUBREG pUsbHubReg, PPCPDMUSBHUBHLP ppUsbHubHlp)
880	{
881	return pDrvIns->pDrvHlp->pfnUSBRegisterHub(pDrvIns, fVersions, cPorts, pUsbHubReg, ppUsbHubHlp);
882	}
883
884	/**
885	* @copydoc PDMDRVHLP::pfnPDMThreadCreate
886	*/
887	DECLINLINE(int) PDMDrvHlpPDMThreadCreate(PPDMDRVINS pDrvIns, PPPDMTHREAD ppThread, void *pvUser, PFNPDMTHREADDRV pfnThread,
888	PFNPDMTHREADWAKEUPDRV pfnWakeup, size_t cbStack, RTTHREADTYPE enmType, const char *pszName)
889	{
890	return pDrvIns->pDrvHlp->pfnPDMThreadCreate(pDrvIns, ppThread, pvUser, pfnThread, pfnWakeup, cbStack, enmType, pszName);
891	}
892
893	/**
894	* @copydoc PDMDRVHLP::pfnVMState
895	*/
896	DECLINLINE(VMSTATE) PDMDrvHlpVMState(PPDMDRVINS pDrvIns)
897	{
898	return pDrvIns->pDrvHlp->pfnVMState(pDrvIns);
899	}
900
901	#ifdef VBOX_WITH_PDM_ASYNC_COMPLETION
902	/**
903	* @copydoc PDMDRVHLP::pfnPDMAsyncCompletionTemplateCreate
904	*/
905	DECLINLINE(int) PDMDrvHlpPDMAsyncCompletionTemplateCreate(PPDMDRVINS pDrvIns, PPPDMASYNCCOMPLETIONTEMPLATE ppTemplate,
906	PFNPDMASYNCCOMPLETEDRV pfnCompleted, const char *pszDesc)
907	{
908	return pDrvIns->pDrvHlp->pfnPDMAsyncCompletionTemplateCreate(pDrvIns, ppTemplate, pfnCompleted, pszDesc);
909	}
910	#endif
911
912	#endif /* IN_RING3 */
913
914
915
916	/** Pointer to callbacks provided to the VBoxDriverRegister() call. */
917	typedef struct PDMDRVREGCB *PPDMDRVREGCB;
918	/** Pointer to const callbacks provided to the VBoxDriverRegister() call. */
919	typedef const struct PDMDRVREGCB *PCPDMDRVREGCB;
920
921	/**
922	* Callbacks for VBoxDriverRegister().
923	*/
924	typedef struct PDMDRVREGCB
925	{
926	/** Interface version.
927	* This is set to PDM_DRVREG_CB_VERSION. */
928	uint32_t u32Version;
929
930	/**
931	* Registers a driver with the current VM instance.
932	*
933	* @returns VBox status code.
934	* @param pCallbacks Pointer to the callback table.
935	* @param pDrvReg Pointer to the driver registration record.
936	* This data must be permanent and readonly.
937	*/
938	DECLR3CALLBACKMEMBER(int, pfnRegister,(PCPDMDRVREGCB pCallbacks, PCPDMDRVREG pDrvReg));
939	} PDMDRVREGCB;
940
941	/** Current version of the PDMDRVREGCB structure. */
942	#define PDM_DRVREG_CB_VERSION 0xb0010000
943
944
945	/**
946	* The VBoxDriverRegister callback function.
947	*
948	* PDM will invoke this function after loading a driver module and letting
949	* the module decide which drivers to register and how to handle conflicts.
950	*
951	* @returns VBox status code.
952	* @param pCallbacks Pointer to the callback table.
953	* @param u32Version VBox version number.
954	*/
955	typedef DECLCALLBACK(int) FNPDMVBOXDRIVERSREGISTER(PCPDMDRVREGCB pCallbacks, uint32_t u32Version);
956
957	VMMR3DECL(int) PDMR3RegisterDrivers(PVM pVM, FNPDMVBOXDRIVERSREGISTER pfnCallback);
958
959	/** @} */
960
961	__END_DECLS
962
963	#endif

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source: vbox/trunk/include/VBox/pdmdrv.h@ 18618

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