pdmusb.h@ 26248

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USB: Descriptor member name cleanup. (#2603)
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1	/** @file
2	* PDM - Pluggable Device Manager, USB Devices. (VMM)
3	*/
4
5	/*
6	* Copyright (C) 2006-2010 Sun Microsystems, Inc.
7	*
8	* This file is part of VirtualBox Open Source Edition (OSE), as
9	* available from http://www.alldomusa.eu.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_pdmusb_h
31	#define ___VBox_pdmusb_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/pdmcommon.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 <VBox/vusb.h>
45	#include <iprt/stdarg.h>
46
47	RT_C_DECLS_BEGIN
48
49	/** @defgroup grp_pdm_usbdev The USB Devices API
50	* @ingroup grp_pdm
51	* @{
52	*/
53
54	/**
55	* USB descriptor cache.
56	*
57	* This structure is owned by the USB device but provided to the PDM/VUSB layer
58	* thru the PDMUSBREG::pfnGetDescriptorCache method. PDM/VUSB will use the
59	* information here to map addresses to endpoints, perform SET_CONFIGURATION
60	* requests, and optionally perform GET_DESCRIPTOR requests (see flag).
61	*
62	* Currently, only device and configuration descriptors are cached.
63	*/
64	typedef struct PDMUSBDESCCACHE
65	{
66	/** USB device descriptor */
67	PCVUSBDESCDEVICE pDevice;
68	/** USB Descriptor arrays (pDev->bNumConfigurations) */
69	PCVUSBDESCCONFIGEX paConfigs;
70	/** Use the cached descriptors for GET_DESCRIPTOR requests. */
71	bool fUseCachedDescriptors;
72	} PDMUSBDESCCACHE;
73	/** Pointer to an USB descriptor cache. */
74	typedef PDMUSBDESCCACHE *PPDMUSBDESCCACHE;
75	/** Pointer to a const USB descriptor cache. */
76	typedef const PDMUSBDESCCACHE *PCPDMUSBDESCCACHE;
77
78
79
80	/** PDM USB Device Registration Structure,
81	*
82	* This structure is used when registering a device from VBoxUsbRegister() in HC Ring-3.
83	* The PDM will make use of this structure untill the VM is destroyed.
84	*/
85	typedef struct PDMUSBREG
86	{
87	/** Structure version. PDM_DEVREG_VERSION defines the current version. */
88	uint32_t u32Version;
89	/** Device name. */
90	char szName[32];
91	/** The description of the device. The UTF-8 string pointed to shall, like this structure,
92	* remain unchanged from registration till VM destruction. */
93	const char *pszDescription;
94
95	/** Flags, combination of the PDM_USBREG_FLAGS_* \#defines. */
96	RTUINT fFlags;
97	/** Maximum number of instances (per VM). */
98	RTUINT cMaxInstances;
99	/** Size of the instance data. */
100	RTUINT cbInstance;
101
102
103	/**
104	* Construct an USB device instance for a VM.
105	*
106	* @returns VBox status.
107	* @param pUsbIns The USB device instance data.
108	* If the registration structure is needed, it will be
109	* accessible thru pUsbDev->pReg.
110	* @param iInstance Instance number. Use this to figure out which registers
111	* and such to use. The instance number is also found in
112	* pUsbDev->iInstance, but since it's likely to be
113	* freqently used PDM passes it as parameter.
114	* @param pCfg Configuration node handle for the device. Use this to
115	* obtain the configuration of the device instance. It is
116	* also found in pUsbDev->pCfg, but since it is primary
117	* usage will in this function it is passed as a parameter.
118	* @param pCfgGlobal Handle to the global device configuration. Also found
119	* in pUsbDev->pCfgGlobal.
120	* @remarks This callback is required.
121	*/
122	DECLR3CALLBACKMEMBER(int, pfnConstruct,(PPDMUSBINS pUsbIns, int iInstance, PCFGMNODE pCfg, PCFGMNODE pCfgGlobal));
123
124	/**
125	* Destruct an USB device instance.
126	*
127	* Most VM resources are freed by the VM. This callback is provided so that any non-VM
128	* resources can be freed correctly.
129	*
130	* This method will be called regardless of the pfnConstruc result to avoid
131	* complicated failure paths.
132	*
133	* @param pUsbIns The USB device instance data.
134	* @remarks Optional.
135	*/
136	DECLR3CALLBACKMEMBER(void, pfnDestruct,(PPDMUSBINS pUsbIns));
137
138
139	/**
140	* Init complete notification.
141	*
142	* This can be done to do communication with other devices and other
143	* initialization which requires everything to be in place.
144	*
145	* @returns VBOX status code.
146	* @param pUsbIns The USB device instance data.
147	* @remarks Optional.
148	* @remarks Not called when hotplugged.
149	*/
150	DECLR3CALLBACKMEMBER(int, pfnVMInitComplete,(PPDMUSBINS pUsbIns));
151
152	/**
153	* VM Power On notification.
154	*
155	* @returns VBox status.
156	* @param pUsbIns The USB device instance data.
157	* @remarks Optional.
158	*/
159	DECLR3CALLBACKMEMBER(void, pfnVMPowerOn,(PPDMUSBINS pUsbIns));
160
161	/**
162	* VM Reset notification.
163	*
164	* @returns VBox status.
165	* @param pUsbIns The USB device instance data.
166	* @remarks Optional.
167	*/
168	DECLR3CALLBACKMEMBER(void, pfnVMReset,(PPDMUSBINS pUsbIns));
169
170	/**
171	* VM Suspend notification.
172	*
173	* @returns VBox status.
174	* @param pUsbIns The USB device instance data.
175	* @remarks Optional.
176	*/
177	DECLR3CALLBACKMEMBER(void, pfnVMSuspend,(PPDMUSBINS pUsbIns));
178
179	/**
180	* VM Resume notification.
181	*
182	* @returns VBox status.
183	* @param pUsbIns The USB device instance data.
184	* @remarks Optional.
185	*/
186	DECLR3CALLBACKMEMBER(void, pfnVMResume,(PPDMUSBINS pUsbIns));
187
188	/**
189	* VM Power Off notification.
190	*
191	* @param pUsbIns The USB device instance data.
192	*/
193	DECLR3CALLBACKMEMBER(void, pfnVMPowerOff,(PPDMUSBINS pUsbIns));
194
195	/**
196	* Called after the constructor when attaching a device at run time.
197	*
198	* This can be used to do tasks normally assigned to pfnInitComplete and/or pfnVMPowerOn.
199	*
200	* @returns VBox status.
201	* @param pUsbIns The USB device instance data.
202	* @remarks Optional.
203	*/
204	DECLR3CALLBACKMEMBER(void, pfnHotPlugged,(PPDMUSBINS pUsbIns));
205
206	/**
207	* Called before the destructor when a device is unplugged at run time.
208	*
209	* This can be used to do tasks normally assigned to pfnVMSuspend and/or pfnVMPowerOff.
210	*
211	* @returns VBox status.
212	* @param pUsbIns The USB device instance data.
213	* @remarks Optional.
214	*/
215	DECLR3CALLBACKMEMBER(void, pfnHotUnplugged,(PPDMUSBINS pUsbIns));
216	/**
217	* Driver Attach command.
218	*
219	* This is called to let the USB device attach to a driver for a specified LUN
220	* at runtime. This is not called during VM construction, the device constructor
221	* have to attach to all the available drivers.
222	*
223	* @returns VBox status code.
224	* @param pUsbIns The USB device instance data.
225	* @param iLUN The logical unit which is being detached.
226	* @remarks Optional.
227	*/
228	DECLR3CALLBACKMEMBER(int, pfnDriverAttach,(PPDMUSBINS pUsbIns, unsigned iLUN));
229
230	/**
231	* Driver Detach notification.
232	*
233	* This is called when a driver is detaching itself from a LUN of the device.
234	* The device should adjust it's state to reflect this.
235	*
236	* @param pUsbIns The USB device instance data.
237	* @param iLUN The logical unit which is being detached.
238	* @remarks Optional.
239	*/
240	DECLR3CALLBACKMEMBER(void, pfnDriverDetach,(PPDMUSBINS pUsbIns, unsigned iLUN));
241
242	/**
243	* Query the base interface of a logical unit.
244	*
245	* @returns VBOX status code.
246	* @param pUsbIns The USB device instance data.
247	* @param iLUN The logicial unit to query.
248	* @param ppBase Where to store the pointer to the base interface of the LUN.
249	* @remarks Optional.
250	*/
251	DECLR3CALLBACKMEMBER(int, pfnQueryInterface,(PPDMUSBINS pUsbIns, unsigned iLUN, PPDMIBASE *ppBase));
252
253	/**
254	* Requests the USB device to reset.
255	*
256	* @returns VBox status code.
257	* @param pUsbIns The USB device instance.
258	* @param fResetOnLinux A hint to the usb proxy.
259	* Don't use this unless you're the linux proxy device.
260	* @thread Any thread.
261	* @remarks Optional.
262	*/
263	DECLR3CALLBACKMEMBER(int, pfnUsbReset,(PPDMUSBINS pUsbIns, bool fResetOnLinux));
264
265	/**
266	* Query device and configuration descriptors for the caching and servicing
267	* relevant GET_DESCRIPTOR requests.
268	*
269	* @returns Pointer to the descriptor cache (read-only).
270	* @param pUsbIns The USB device instance.
271	* @remarks Mandatory.
272	*/
273	DECLR3CALLBACKMEMBER(PCPDMUSBDESCCACHE, pfnUsbGetDescriptorCache,(PPDMUSBINS pUsbIns));
274
275	/**
276	* SET_CONFIGURATION request.
277	*
278	* @returns VBox status code.
279	* @param pUsbIns The USB device instance.
280	* @param bConfigurationValue The bConfigurationValue of the new configuration.
281	* @param pvOldCfgDesc Internal - for the device proxy.
282	* @param pvOldIfState Internal - for the device proxy.
283	* @param pvNewCfgDesc Internal - for the device proxy.
284	* @remarks Optional.
285	*/
286	DECLR3CALLBACKMEMBER(int, pfnUsbSetConfiguration,(PPDMUSBINS pUsbIns, uint8_t bConfigurationValue,
287	const void pvOldCfgDesc, const void pvOldIfState, const void *pvNewCfgDesc));
288
289	/**
290	* SET_INTERFACE request.
291	*
292	* @returns VBox status code.
293	* @param pUsbIns The USB device instance.
294	* @param bInterfaceNumber The interface number.
295	* @param bAlternateSetting The alternate setting.
296	* @remarks Optional.
297	*/
298	DECLR3CALLBACKMEMBER(int, pfnUsbSetInterface,(PPDMUSBINS pUsbIns, uint8_t bInterfaceNumber, uint8_t bAlternateSetting));
299
300	/**
301	* Clears the halted state of an endpoint. (Optional)
302	*
303	* This called when VUSB sees a CLEAR_FEATURE(ENDPOINT_HALT) on request
304	* on the zero pipe.
305	*
306	* @returns VBox status code.
307	* @param pUsbIns The USB device instance.
308	* @param uEndpoint The endpoint to clear.
309	* @remarks Optional.
310	*/
311	DECLR3CALLBACKMEMBER(int, pfnUsbClearHaltedEndpoint,(PPDMUSBINS pUsbIns, unsigned uEndpoint));
312
313	/**
314	* Allocates an URB.
315	*
316	* This can be used to make use of shared user/kernel mode buffers.
317	*
318	* @returns VBox status code.
319	* @param pUsbIns The USB device instance.
320	* @param cbData The size of the data buffer.
321	* @param cTds The number of TDs.
322	* @param enmType The type of URB.
323	* @param ppUrb Where to store the allocated URB.
324	* @remarks Optional.
325	* @remarks Not implemented yet.
326	*/
327	DECLR3CALLBACKMEMBER(int, pfnUrbNew,(PPDMUSBINS pUsbIns, size_t cbData, size_t cTds, VUSBXFERTYPE enmType, PVUSBURB *ppUrb));
328
329	/**
330	* Queues an URB for processing.
331	*
332	* @returns VBox status code.
333	* @retval VINF_SUCCESS on success.
334	* @retval VERR_VUSB_DEVICE_NOT_ATTACHED if the device has been disconnected.
335	* @retval VERR_VUSB_FAILED_TO_QUEUE_URB as a general failure kind of thing.
336	* @retval TBD - document new stuff!
337	*
338	* @param pUsbIns The USB device instance.
339	* @param pUrb The URB to process.
340	* @remarks Mandatory.
341	*/
342	DECLR3CALLBACKMEMBER(int, pfnUrbQueue,(PPDMUSBINS pUsbIns, PVUSBURB pUrb));
343
344	/**
345	* Cancels an URB.
346	*
347	* @returns VBox status code.
348	* @param pUsbIns The USB device instance.
349	* @param pUrb The URB to cancel.
350	* @remarks Mandatory.
351	*/
352	DECLR3CALLBACKMEMBER(int, pfnUrbCancel,(PPDMUSBINS pUsbIns, PVUSBURB pUrb));
353
354	/**
355	* Reaps an URB.
356	*
357	* @returns A ripe URB, NULL if none.
358	* @param pUsbIns The USB device instance.
359	* @param cMillies How log to wait for an URB to become ripe.
360	* @remarks Mandatory.
361	*/
362	DECLR3CALLBACKMEMBER(PVUSBURB, pfnUrbReap,(PPDMUSBINS pUsbIns, RTMSINTERVAL cMillies));
363
364
365	/** Just some init precaution. Must be set to PDM_USBREG_VERSION. */
366	uint32_t u32TheEnd;
367	} PDMUSBREG;
368	/** Pointer to a PDM USB Device Structure. */
369	typedef PDMUSBREG *PPDMUSBREG;
370	/** Const pointer to a PDM USB Device Structure. */
371	typedef PDMUSBREG const *PCPDMUSBREG;
372
373	/** Current USBREG version number. */
374	#define PDM_USBREG_VERSION PDM_VERSION_MAKE(0xeeff, 1, 0)
375
376	/** PDM USB Device Flags.
377	* @{ */
378	/* none yet */
379	/** @} */
380
381
382	#ifdef IN_RING3
383
384	/**
385	* PDM USB Device API.
386	*/
387	typedef struct PDMUSBHLP
388	{
389	/** Structure version. PDM_USBHLP_VERSION defines the current version. */
390	uint32_t u32Version;
391
392	/**
393	* Attaches a driver (chain) to the USB device.
394	*
395	* The first call for a LUN this will serve as a registartion of the LUN. The pBaseInterface and
396	* the pszDesc string will be registered with that LUN and kept around for PDMR3QueryUSBDeviceLun().
397	*
398	* @returns VBox status code.
399	* @param pUsbIns The USB device instance.
400	* @param iLun The logical unit to attach.
401	* @param pBaseInterface Pointer to the base interface for that LUN. (device side / down)
402	* @param ppBaseInterface Where to store the pointer to the base interface. (driver side / up)
403	* @param pszDesc Pointer to a string describing the LUN. This string must remain valid
404	* for the live of the device instance.
405	*/
406	DECLR3CALLBACKMEMBER(int, pfnDriverAttach,(PPDMUSBINS pUsbIns, RTUINT iLun, PPDMIBASE pBaseInterface, PPDMIBASE ppBaseInterface, const char pszDesc));
407
408	/**
409	* Assert that the current thread is the emulation thread.
410	*
411	* @returns True if correct.
412	* @returns False if wrong.
413	* @param pUsbIns The USB device instance.
414	* @param pszFile Filename of the assertion location.
415	* @param iLine Linenumber of the assertion location.
416	* @param pszFunction Function of the assertion location.
417	*/
418	DECLR3CALLBACKMEMBER(bool, pfnAssertEMT,(PPDMUSBINS pUsbIns, const char pszFile, unsigned iLine, const char pszFunction));
419
420	/**
421	* Assert that the current thread is NOT the emulation thread.
422	*
423	* @returns True if correct.
424	* @returns False if wrong.
425	* @param pUsbIns The USB device instance.
426	* @param pszFile Filename of the assertion location.
427	* @param iLine Linenumber of the assertion location.
428	* @param pszFunction Function of the assertion location.
429	*/
430	DECLR3CALLBACKMEMBER(bool, pfnAssertOther,(PPDMUSBINS pUsbIns, const char pszFile, unsigned iLine, const char pszFunction));
431
432	/**
433	* Stops the VM and enters the debugger to look at the guest state.
434	*
435	* Use the PDMUsbDBGFStop() inline function with the RT_SRC_POS macro instead of
436	* invoking this function directly.
437	*
438	* @returns VBox status code which must be passed up to the VMM.
439	* @param pUsbIns The USB device instance.
440	* @param pszFile Filename of the assertion location.
441	* @param iLine The linenumber of the assertion location.
442	* @param pszFunction Function of the assertion location.
443	* @param pszFormat Message. (optional)
444	* @param va Message parameters.
445	*/
446	DECLR3CALLBACKMEMBER(int, pfnDBGFStopV,(PPDMUSBINS pUsbIns, const char pszFile, unsigned iLine, const char pszFunction, const char *pszFormat, va_list va));
447
448	/**
449	* Register a info handler with DBGF,
450	*
451	* @returns VBox status code.
452	* @param pUsbIns The USB device instance.
453	* @param pszName The identifier of the info.
454	* @param pszDesc The description of the info and any arguments the handler may take.
455	* @param pfnHandler The handler function to be called to display the info.
456	*/
457	DECLR3CALLBACKMEMBER(int, pfnDBGFInfoRegister,(PPDMUSBINS pUsbIns, const char pszName, const char pszDesc, PFNDBGFHANDLERUSB pfnHandler));
458
459	/**
460	* Allocate memory which is associated with current VM instance
461	* and automatically freed on it's destruction.
462	*
463	* @returns Pointer to allocated memory. The memory is NOT zero-ed.
464	* @param pUsbIns The USB device instance.
465	* @param cb Number of bytes to allocate.
466	*/
467	DECLR3CALLBACKMEMBER(void *, pfnMMHeapAlloc,(PPDMUSBINS pUsbIns, size_t cb));
468
469	/**
470	* Allocate memory which is associated with current VM instance
471	* and automatically freed on it's destruction. The memory is ZEROed.
472	*
473	* @returns Pointer to allocated memory. The memory is NOT zero-ed.
474	* @param pUsbIns The USB device instance.
475	* @param cb Number of bytes to allocate.
476	*/
477	DECLR3CALLBACKMEMBER(void *, pfnMMHeapAllocZ,(PPDMUSBINS pUsbIns, size_t cb));
478
479	/**
480	* Create a queue.
481	*
482	* @returns VBox status code.
483	* @param pUsbIns The USB device instance.
484	* @param cbItem Size a queue item.
485	* @param cItems Number of items in the queue.
486	* @param cMilliesInterval Number of milliseconds between polling the queue.
487	* If 0 then the emulation thread will be notified whenever an item arrives.
488	* @param pfnCallback The consumer function.
489	* @param pszName The queue base name. The instance number will be
490	* appended automatically.
491	* @param ppQueue Where to store the queue handle on success.
492	* @thread The emulation thread.
493	*/
494	DECLR3CALLBACKMEMBER(int, pfnPDMQueueCreate,(PPDMUSBINS pUsbIns, RTUINT cbItem, RTUINT cItems, uint32_t cMilliesInterval,
495	PFNPDMQUEUEUSB pfnCallback, const char pszName, PPDMQUEUE ppQueue));
496
497	/**
498	* Register a save state data unit.
499	*
500	* @returns VBox status.
501	* @param pUsbIns The USB device instance.
502	* @param uVersion Data layout version number.
503	* @param cbGuess The approximate amount of data in the unit.
504	* Only for progress indicators.
505	*
506	* @param pfnLivePrep Prepare live save callback, optional.
507	* @param pfnLiveExec Execute live save callback, optional.
508	* @param pfnLiveVote Vote live save callback, optional.
509	*
510	* @param pfnSavePrep Prepare save callback, optional.
511	* @param pfnSaveExec Execute save callback, optional.
512	* @param pfnSaveDone Done save callback, optional.
513	*
514	* @param pfnLoadPrep Prepare load callback, optional.
515	* @param pfnLoadExec Execute load callback, optional.
516	* @param pfnLoadDone Done load callback, optional.
517	*/
518	DECLR3CALLBACKMEMBER(int, pfnSSMRegister,(PPDMUSBINS pUsbIns, uint32_t uVersion, size_t cbGuess,
519	PFNSSMUSBLIVEPREP pfnLivePrep, PFNSSMUSBLIVEEXEC pfnLiveExec, PFNSSMUSBLIVEVOTE pfnLiveVote,
520	PFNSSMUSBSAVEPREP pfnSavePrep, PFNSSMUSBSAVEEXEC pfnSaveExec, PFNSSMUSBSAVEDONE pfnSaveDone,
521	PFNSSMUSBLOADPREP pfnLoadPrep, PFNSSMUSBLOADEXEC pfnLoadExec, PFNSSMUSBLOADDONE pfnLoadDone));
522
523	/**
524	* Register a STAM sample.
525	*
526	* Use the PDMUsbHlpSTAMRegister wrapper.
527	*
528	* @returns VBox status.
529	* @param pUsbIns The USB device instance.
530	* @param pvSample Pointer to the sample.
531	* @param enmType Sample type. This indicates what pvSample is pointing at.
532	* @param enmVisibility Visibility type specifying whether unused statistics should be visible or not.
533	* @param enmUnit Sample unit.
534	* @param pszDesc Sample description.
535	* @param pszName The sample name format string.
536	* @param va Arguments to the format string.
537	*/
538	DECLR3CALLBACKMEMBER(void, pfnSTAMRegisterV,(PPDMUSBINS pUsbIns, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility,
539	STAMUNIT enmUnit, const char pszDesc, const char pszName, va_list va));
540
541	/**
542	* Creates a timer.
543	*
544	* @returns VBox status.
545	* @param pUsbIns The USB device instance.
546	* @param enmClock The clock to use on this timer.
547	* @param pfnCallback Callback function.
548	* @param pvUser User argument for the callback.
549	* @param fFlags Flags, see TMTIMER_FLAGS_*.
550	* @param pszDesc Pointer to description string which must stay around
551	* until the timer is fully destroyed (i.e. a bit after TMTimerDestroy()).
552	* @param ppTimer Where to store the timer on success.
553	*/
554	DECLR3CALLBACKMEMBER(int, pfnTMTimerCreate,(PPDMUSBINS pUsbIns, TMCLOCK enmClock, PFNTMTIMERUSB pfnCallback, void *pvUser,
555	uint32_t fFlags, const char *pszDesc, PPTMTIMERR3 ppTimer));
556
557	/**
558	* Set the VM error message
559	*
560	* @returns rc.
561	* @param pUsbIns The USB device instance.
562	* @param rc VBox status code.
563	* @param RT_SRC_POS_DECL Use RT_SRC_POS.
564	* @param pszFormat Error message format string.
565	* @param va Error message arguments.
566	*/
567	DECLR3CALLBACKMEMBER(int, pfnVMSetErrorV,(PPDMUSBINS pUsbIns, int rc, RT_SRC_POS_DECL, const char *pszFormat, va_list va));
568
569	/**
570	* Set the VM runtime error message
571	*
572	* @returns VBox status code.
573	* @param pUsbIns The USB device instance.
574	* @param fFlags The action flags. See VMSETRTERR_FLAGS_*.
575	* @param pszErrorId Error ID string.
576	* @param pszFormat Error message format string.
577	* @param va Error message arguments.
578	*/
579	DECLR3CALLBACKMEMBER(int, pfnVMSetRuntimeErrorV,(PPDMUSBINS pUsbIns, uint32_t fFlags, const char pszErrorId, const char pszFormat, va_list va));
580
581	/**
582	* Gets the VM state.
583	*
584	* @returns VM state.
585	* @param pUsbIns The USB device instance.
586	* @thread Any thread (just keep in mind that it's volatile info).
587	*/
588	DECLR3CALLBACKMEMBER(VMSTATE, pfnVMState, (PPDMUSBINS pUsbIns));
589
590	/**
591	* Set up asynchronous handling of a suspend, reset or power off notification.
592	*
593	* This shall only be called when getting the notification. It must be called
594	* for each one.
595	*
596	* @returns VBox status code.
597	* @param pUSBIns The USB device instance.
598	* @param pfnAsyncNotify The callback.
599	* @thread EMT(0)
600	*/
601	DECLR3CALLBACKMEMBER(int, pfnSetAsyncNotification, (PPDMUSBINS pUSbIns, PFNPDMUSBASYNCNOTIFY pfnAsyncNotify));
602
603	/**
604	* Notify EMT(0) that the device has completed the asynchronous notification
605	* handling.
606	*
607	* This can be called at any time, spurious calls will simply be ignored.
608	*
609	* @param pUSBIns The USB device instance.
610	* @thread Any
611	*/
612	DECLR3CALLBACKMEMBER(void, pfnAsyncNotificationCompleted, (PPDMUSBINS pUsbIns));
613
614	/** Just a safety precaution. */
615	uint32_t u32TheEnd;
616	} PDMUSBHLP;
617	/** Pointer PDM USB Device API. */
618	typedef PDMUSBHLP *PPDMUSBHLP;
619	/** Pointer const PDM USB Device API. */
620	typedef const PDMUSBHLP *PCPDMUSBHLP;
621
622	/** Current USBHLP version number. */
623	#define PDM_USBHLP_VERSION PDM_VERSION_MAKE(0xeefe, 1, 0)
624
625	#endif /* IN_RING3 */
626
627	/**
628	* PDM USB Device Instance.
629	*/
630	typedef struct PDMUSBINS
631	{
632	/** Structure version. PDM_USBINS_VERSION defines the current version. */
633	uint32_t u32Version;
634	/** USB device instance number. */
635	RTUINT iInstance;
636	/** The base interface of the device.
637	* The device constructor initializes this if it has any device level
638	* interfaces to export. To obtain this interface call PDMR3QueryUSBDevice(). */
639	PDMIBASE IBase;
640	#if HC_ARCH_BITS == 32
641	uint32_t u32Alignment; /*< Alignment padding. /
642	#endif
643
644	/** Internal data. */
645	union
646	{
647	#ifdef PDMUSBINSINT_DECLARED
648	PDMUSBINSINT s;
649	#endif
650	uint8_t padding[HC_ARCH_BITS == 32 ? 96 : 128];
651	} Internal;
652
653	/** Pointer the PDM USB Device API. */
654	R3PTRTYPE(PCPDMUSBHLP) pHlpR3;
655	/** Pointer to the USB device registration structure. */
656	R3PTRTYPE(PCPDMUSBREG) pReg;
657	/** Configuration handle. */
658	R3PTRTYPE(PCFGMNODE) pCfg;
659	/** The (device) global configuration handle. */
660	R3PTRTYPE(PCFGMNODE) pCfgGlobal;
661	/** Pointer to device instance data. */
662	R3PTRTYPE(void *) pvInstanceDataR3;
663	/** Pointer to the VUSB Device structure.
664	* Internal to VUSB, don't touch.
665	* @todo Moved this to PDMUSBINSINT. */
666	R3PTRTYPE(void *) pvVUsbDev2;
667	/** Device name for using when logging.
668	* The constructor sets this and the destructor frees it. */
669	R3PTRTYPE(char *) pszName;
670	/** Padding to make achInstanceData aligned at 32 byte boundrary. */
671	uint32_t au32Padding[HC_ARCH_BITS == 32 ? 5 : 2];
672	/** Device instance data. The size of this area is defined
673	* in the PDMUSBREG::cbInstanceData field. */
674	char achInstanceData[8];
675	} PDMUSBINS;
676
677	/** Current USBINS version number. */
678	#define PDM_USBINS_VERSION PDM_VERSION_MAKE(0xeefd, 1, 0)
679
680	/**
681	* Checks the structure versions of the USB device instance and USB device
682	* helpers, returning if they are incompatible.
683	*
684	* This is for use in the constructor.
685	*
686	* @param pUsbIns The USB device instance pointer.
687	*/
688	#define PDMUSB_CHECK_VERSIONS_RETURN(pUsbIns) \
689	do \
690	{ \
691	PPDMUSBINS pUsbInsTypeCheck = (pUsbIns); NOREF(pUsbInsTypeCheck); \
692	AssertLogRelMsgReturn(PDM_VERSION_ARE_COMPATIBLE((pUsbIns)->u32Version, PDM_USBINS_VERSION), \
693	("DevIns=%#x mine=%#x\n", (pUsbIns)->u32Version, PDM_USBINS_VERSION), \
694	VERR_VERSION_MISMATCH); \
695	AssertLogRelMsgReturn(PDM_VERSION_ARE_COMPATIBLE((pUsbIns)->pHlpR3->u32Version, PDM_USBHLP_VERSION), \
696	("DevHlp=%#x mine=%#x\n", (pUsbIns)->pHlpR3->u32Version, PDM_USBHLP_VERSION), \
697	VERR_VERSION_MISMATCH); \
698	} while (0)
699
700	/**
701	* Quietly checks the structure versions of the USB device instance and
702	* USB device helpers, returning if they are incompatible.
703	*
704	* This is for use in the destructor.
705	*
706	* @param pUsbIns The USB device instance pointer.
707	*/
708	#define PDMUSB_CHECK_VERSIONS_RETURN_QUIET(pUsbIns) \
709	do \
710	{ \
711	PPDMUSBINS pUsbInsTypeCheck = (pUsbIns); NOREF(pUsbInsTypeCheck); \
712	if (RT_UNLIKELY( !PDM_VERSION_ARE_COMPATIBLE((pUsbIns)->u32Version, PDM_USBINS_VERSION) \
713	\|\| !PDM_VERSION_ARE_COMPATIBLE((pUsbIns)->pHlpR3->u32Version, PDM_USBHLPR3_VERSION) )) \
714	return VERR_VERSION_MISMATCH; \
715	} while (0)
716
717
718	/** Converts a pointer to the PDMUSBINS::IBase to a pointer to PDMUSBINS. */
719	#define PDMIBASE_2_PDMUSB(pInterface) ( (PPDMUSBINS)((char *)(pInterface) - RT_OFFSETOF(PDMUSBINS, IBase)) )
720
721
722	/** @def PDMUSB_ASSERT_EMT
723	* Assert that the current thread is the emulation thread.
724	*/
725	#ifdef VBOX_STRICT
726	# define PDMUSB_ASSERT_EMT(pUsbIns) pUsbIns->pHlpR3->pfnAssertEMT(pUsbIns, __FILE__, __LINE__, __FUNCTION__)
727	#else
728	# define PDMUSB_ASSERT_EMT(pUsbIns) do { } while (0)
729	#endif
730
731	/** @def PDMUSB_ASSERT_OTHER
732	* Assert that the current thread is NOT the emulation thread.
733	*/
734	#ifdef VBOX_STRICT
735	# define PDMUSB_ASSERT_OTHER(pUsbIns) pUsbIns->pHlpR3->pfnAssertOther(pUsbIns, __FILE__, __LINE__, __FUNCTION__)
736	#else
737	# define PDMUSB_ASSERT_OTHER(pUsbIns) do { } while (0)
738	#endif
739
740	/** @def PDMUSB_SET_ERROR
741	* Set the VM error. See PDMUsbHlpVMSetError() for printf like message
742	* formatting.
743	*/
744	#define PDMUSB_SET_ERROR(pUsbIns, rc, pszError) \
745	PDMUsbHlpVMSetError(pUsbIns, rc, RT_SRC_POS, "%s", pszError)
746
747	/** @def PDMUSB_SET_RUNTIME_ERROR
748	* Set the VM runtime error. See PDMUsbHlpVMSetRuntimeError() for printf like
749	* message formatting.
750	*/
751	#define PDMUSB_SET_RUNTIME_ERROR(pUsbIns, fFlags, pszErrorId, pszError) \
752	PDMUsbHlpVMSetRuntimeError(pUsbIns, fFlags, pszErrorId, "%s", pszError)
753
754
755	#ifdef IN_RING3
756
757	/**
758	* @copydoc PDMUSBHLP::pfnDriverAttach
759	*/
760	DECLINLINE(int) PDMUsbHlpDriverAttach(PPDMUSBINS pUsbIns, RTUINT iLun, PPDMIBASE pBaseInterface, PPDMIBASE ppBaseInterface, const char pszDesc)
761	{
762	return pUsbIns->pHlpR3->pfnDriverAttach(pUsbIns, iLun, pBaseInterface, ppBaseInterface, pszDesc);
763	}
764
765	/**
766	* VBOX_STRICT wrapper for pHlpR3->pfnDBGFStopV.
767	*
768	* @returns VBox status code which must be passed up to the VMM.
769	* @param pUsbIns Device instance.
770	* @param RT_SRC_POS_DECL Use RT_SRC_POS.
771	* @param pszFormat Message. (optional)
772	* @param ... Message parameters.
773	*/
774	DECLINLINE(int) PDMUsbDBGFStop(PPDMUSBINS pUsbIns, RT_SRC_POS_DECL, const char *pszFormat, ...)
775	{
776	#ifdef VBOX_STRICT
777	int rc;
778	va_list va;
779	va_start(va, pszFormat);
780	rc = pUsbIns->pHlpR3->pfnDBGFStopV(pUsbIns, RT_SRC_POS_ARGS, pszFormat, va);
781	va_end(va);
782	return rc;
783	#else
784	NOREF(pUsbIns);
785	NOREF(pszFile);
786	NOREF(iLine);
787	NOREF(pszFunction);
788	NOREF(pszFormat);
789	return VINF_SUCCESS;
790	#endif
791	}
792
793	/**
794	* @copydoc PDMUSBHLP::pfnVMState
795	*/
796	DECLINLINE(VMSTATE) PDMUsbHlpVMState(PPDMUSBINS pUsbIns)
797	{
798	return pUsbIns->pHlpR3->pfnVMState(pUsbIns);
799	}
800
801	/**
802	* @copydoc PDMUSBHLP::pfnSetAsyncNotification
803	*/
804	DECLINLINE(int) PDMUsbHlpSetAsyncNotification(PPDMUSBINS pUsbIns, PFNPDMUSBASYNCNOTIFY pfnAsyncNotify)
805	{
806	return pUsbIns->pHlpR3->pfnSetAsyncNotification(pUsbIns, pfnAsyncNotify);
807	}
808
809	/**
810	* @copydoc PDMUSBHLP::pfnAsyncNotificationCompleted
811	*/
812	DECLINLINE(void) PDMUsbHlpAsyncNotificationCompleted(PPDMUSBINS pUsbIns)
813	{
814	pUsbIns->pHlpR3->pfnAsyncNotificationCompleted(pUsbIns);
815	}
816
817	/**
818	* Set the VM error message
819	*
820	* @returns rc.
821	* @param pUsbIns The USB device instance.
822	* @param rc VBox status code.
823	* @param RT_SRC_POS_DECL Use RT_SRC_POS.
824	* @param pszFormat Error message format string.
825	* @param ... Error message arguments.
826	*/
827	DECLINLINE(int) PDMUsbHlpVMSetError(PPDMUSBINS pUsbIns, int rc, RT_SRC_POS_DECL, const char *pszFormat, ...)
828	{
829	va_list va;
830	va_start(va, pszFormat);
831	rc = pUsbIns->pHlpR3->pfnVMSetErrorV(pUsbIns, rc, RT_SRC_POS_ARGS, pszFormat, va);
832	va_end(va);
833	return rc;
834	}
835
836	/**
837	* @copydoc PDMUSBHLP::pfnMMHeapAlloc
838	*/
839	DECLINLINE(void *) PDMUsbHlpMMHeapAlloc(PPDMUSBINS pUsbIns, size_t cb)
840	{
841	return pUsbIns->pHlpR3->pfnMMHeapAlloc(pUsbIns, cb);
842	}
843
844	/**
845	* @copydoc PDMUSBHLP::pfnMMHeapAllocZ
846	*/
847	DECLINLINE(void *) PDMUsbHlpMMHeapAllocZ(PPDMUSBINS pUsbIns, size_t cb)
848	{
849	return pUsbIns->pHlpR3->pfnMMHeapAllocZ(pUsbIns, cb);
850	}
851
852	/**
853	* Frees memory allocated by PDMUsbHlpMMHeapAlloc or PDMUsbHlpMMHeapAllocZ.
854	*
855	* @param pUsbIns The USB device instance.
856	* @param pv The memory to free. NULL is fine.
857	*/
858	DECLINLINE(void) PDMUsbHlpMMHeapFree(PPDMUSBINS pUsbIns, void *pv)
859	{
860	NOREF(pUsbIns);
861	MMR3HeapFree(pv);
862	}
863
864	#endif /* IN_RING3 */
865
866
867
868	/** Pointer to callbacks provided to the VBoxUsbRegister() call. */
869	typedef const struct PDMUSBREGCB *PCPDMUSBREGCB;
870
871	/**
872	* Callbacks for VBoxUSBDeviceRegister().
873	*/
874	typedef struct PDMUSBREGCB
875	{
876	/** Interface version.
877	* This is set to PDM_USBREG_CB_VERSION. */
878	uint32_t u32Version;
879
880	/**
881	* Registers a device with the current VM instance.
882	*
883	* @returns VBox status code.
884	* @param pCallbacks Pointer to the callback table.
885	* @param pReg Pointer to the USB device registration record.
886	* This data must be permanent and readonly.
887	*/
888	DECLR3CALLBACKMEMBER(int, pfnRegister,(PCPDMUSBREGCB pCallbacks, PCPDMUSBREG pReg));
889	} PDMUSBREGCB;
890
891	/** Current version of the PDMUSBREGCB structure. */
892	#define PDM_USBREG_CB_VERSION PDM_VERSION_MAKE(0xeefc, 1, 0)
893
894
895	/**
896	* The VBoxUsbRegister callback function.
897	*
898	* PDM will invoke this function after loading a USB device module and letting
899	* the module decide which devices to register and how to handle conflicts.
900	*
901	* @returns VBox status code.
902	* @param pCallbacks Pointer to the callback table.
903	* @param u32Version VBox version number.
904	*/
905	typedef DECLCALLBACK(int) FNPDMVBOXUSBREGISTER(PCPDMUSBREGCB pCallbacks, uint32_t u32Version);
906
907	VMMR3DECL(int) PDMR3USBCreateProxyDevice(PVM pVM, PCRTUUID pUuid, bool fRemote, const char pszAddress, void pvBackend,
908	uint32_t iUsbVersion, uint32_t fMaskedIfs);
909	VMMR3DECL(int) PDMR3USBDetachDevice(PVM pVM, PCRTUUID pUuid);
910	VMMR3DECL(bool) PDMR3USBHasHub(PVM pVM);
911
912
913	/** @} */
914
915	RT_C_DECLS_END
916
917	#endif

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source: vbox/trunk/include/VBox/pdmusb.h@ 26248

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