pdmusb.h@ 32055

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1	/** @file
2	* PDM - Pluggable Device Manager, USB Devices. (VMM)
3	*/
4
5	/*
6	* Copyright (C) 2006-2010 Oracle Corporation
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
26	#ifndef ___VBox_pdmusb_h
27	#define ___VBox_pdmusb_h
28
29	#include <VBox/pdmqueue.h>
30	#include <VBox/pdmcritsect.h>
31	#include <VBox/pdmthread.h>
32	#include <VBox/pdmifs.h>
33	#include <VBox/pdmcommon.h>
34	#include <VBox/tm.h>
35	#include <VBox/ssm.h>
36	#include <VBox/cfgm.h>
37	#include <VBox/dbgf.h>
38	#include <VBox/mm.h>
39	#include <VBox/err.h>
40	#include <VBox/vusb.h>
41	#include <iprt/stdarg.h>
42
43	RT_C_DECLS_BEGIN
44
45	/** @defgroup grp_pdm_usbdev The USB Devices API
46	* @ingroup grp_pdm
47	* @{
48	*/
49
50
51	/**
52	* A string entry for the USB descriptor cache.
53	*/
54	typedef struct PDMUSBDESCCACHESTRING
55	{
56	/** The string index. */
57	uint8_t idx;
58	/** The UTF-8 representation of the string. */
59	const char *psz;
60	} PDMUSBDESCCACHESTRING;
61	/** Pointer to a const string entry. */
62	typedef PDMUSBDESCCACHESTRING const *PCPDMUSBDESCCACHESTRING;
63
64
65	/**
66	* A language entry for the USB descriptor cache.
67	*/
68	typedef struct PDMUSBDESCCACHELANG
69	{
70	/** The language ID for the strings in this block. */
71	uint16_t idLang;
72	/** The number of strings in the array. */
73	uint16_t cStrings;
74	/** Pointer to an array of associated strings.
75	* This must be sorted in ascending order by string index as a binary lookup
76	* will be performed. */
77	PCPDMUSBDESCCACHESTRING paStrings;
78	} PDMUSBDESCCACHELANG;
79	/** Pointer to a const language entry. */
80	typedef PDMUSBDESCCACHELANG const *PCPDMUSBDESCCACHELANG;
81
82
83	/**
84	* USB descriptor cache.
85	*
86	* This structure is owned by the USB device but provided to the PDM/VUSB layer
87	* thru the PDMUSBREG::pfnGetDescriptorCache method. PDM/VUSB will use the
88	* information here to map addresses to endpoints, perform SET_CONFIGURATION
89	* requests, and optionally perform GET_DESCRIPTOR requests (see flag).
90	*
91	* Currently, only device and configuration descriptors are cached.
92	*/
93	typedef struct PDMUSBDESCCACHE
94	{
95	/** USB device descriptor */
96	PCVUSBDESCDEVICE pDevice;
97	/** USB Descriptor arrays (pDev->bNumConfigurations) */
98	PCVUSBDESCCONFIGEX paConfigs;
99	/** Language IDs and their associated strings.
100	* This must be sorted in ascending order by language ID as a binary lookup
101	* will be used. */
102	PCPDMUSBDESCCACHELANG paLanguages;
103	/** The number of entries in the array pointed to by paLanguages. */
104	uint16_t cLanguages;
105	/** Use the cached descriptors for GET_DESCRIPTOR requests. */
106	bool fUseCachedDescriptors;
107	/** Use the cached string descriptors. */
108	bool fUseCachedStringsDescriptors;
109	} PDMUSBDESCCACHE;
110	/** Pointer to an USB descriptor cache. */
111	typedef PDMUSBDESCCACHE *PPDMUSBDESCCACHE;
112	/** Pointer to a const USB descriptor cache. */
113	typedef const PDMUSBDESCCACHE *PCPDMUSBDESCCACHE;
114
115
116
117	/** PDM USB Device Registration Structure,
118	*
119	* This structure is used when registering a device from VBoxUsbRegister() in HC Ring-3.
120	* The PDM will make use of this structure untill the VM is destroyed.
121	*/
122	typedef struct PDMUSBREG
123	{
124	/** Structure version. PDM_DEVREG_VERSION defines the current version. */
125	uint32_t u32Version;
126	/** Device name. */
127	char szName[32];
128	/** The description of the device. The UTF-8 string pointed to shall, like this structure,
129	* remain unchanged from registration till VM destruction. */
130	const char *pszDescription;
131
132	/** Flags, combination of the PDM_USBREG_FLAGS_* \#defines. */
133	RTUINT fFlags;
134	/** Maximum number of instances (per VM). */
135	RTUINT cMaxInstances;
136	/** Size of the instance data. */
137	RTUINT cbInstance;
138
139
140	/**
141	* Construct an USB device instance for a VM.
142	*
143	* @returns VBox status.
144	* @param pUsbIns The USB device instance data.
145	* If the registration structure is needed, it will be
146	* accessible thru pUsbDev->pReg.
147	* @param iInstance Instance number. Use this to figure out which registers
148	* and such to use. The instance number is also found in
149	* pUsbDev->iInstance, but since it's likely to be
150	* freqently used PDM passes it as parameter.
151	* @param pCfg Configuration node handle for the device. Use this to
152	* obtain the configuration of the device instance. It is
153	* also found in pUsbDev->pCfg, but since it is primary
154	* usage will in this function it is passed as a parameter.
155	* @param pCfgGlobal Handle to the global device configuration. Also found
156	* in pUsbDev->pCfgGlobal.
157	* @remarks This callback is required.
158	*/
159	DECLR3CALLBACKMEMBER(int, pfnConstruct,(PPDMUSBINS pUsbIns, int iInstance, PCFGMNODE pCfg, PCFGMNODE pCfgGlobal));
160
161	/**
162	* Destruct an USB device instance.
163	*
164	* Most VM resources are freed by the VM. This callback is provided so that any non-VM
165	* resources can be freed correctly.
166	*
167	* This method will be called regardless of the pfnConstruc result to avoid
168	* complicated failure paths.
169	*
170	* @param pUsbIns The USB device instance data.
171	* @remarks Optional.
172	*/
173	DECLR3CALLBACKMEMBER(void, pfnDestruct,(PPDMUSBINS pUsbIns));
174
175
176	/**
177	* Init complete notification.
178	*
179	* This can be done to do communication with other devices and other
180	* initialization which requires everything to be in place.
181	*
182	* @returns VBOX status code.
183	* @param pUsbIns The USB device instance data.
184	* @remarks Optional.
185	* @remarks Not called when hotplugged.
186	*/
187	DECLR3CALLBACKMEMBER(int, pfnVMInitComplete,(PPDMUSBINS pUsbIns));
188
189	/**
190	* VM Power On notification.
191	*
192	* @returns VBox status.
193	* @param pUsbIns The USB device instance data.
194	* @remarks Optional.
195	*/
196	DECLR3CALLBACKMEMBER(void, pfnVMPowerOn,(PPDMUSBINS pUsbIns));
197
198	/**
199	* VM Reset notification.
200	*
201	* @returns VBox status.
202	* @param pUsbIns The USB device instance data.
203	* @remarks Optional.
204	*/
205	DECLR3CALLBACKMEMBER(void, pfnVMReset,(PPDMUSBINS pUsbIns));
206
207	/**
208	* VM Suspend notification.
209	*
210	* @returns VBox status.
211	* @param pUsbIns The USB device instance data.
212	* @remarks Optional.
213	*/
214	DECLR3CALLBACKMEMBER(void, pfnVMSuspend,(PPDMUSBINS pUsbIns));
215
216	/**
217	* VM Resume notification.
218	*
219	* @returns VBox status.
220	* @param pUsbIns The USB device instance data.
221	* @remarks Optional.
222	*/
223	DECLR3CALLBACKMEMBER(void, pfnVMResume,(PPDMUSBINS pUsbIns));
224
225	/**
226	* VM Power Off notification.
227	*
228	* This is only called when the VMR3PowerOff call is made on a running VM. This
229	* means that there is no notification if the VM was suspended before being
230	* powered of. There will also be no callback when hot plugging devices.
231	*
232	* @param pUsbIns The USB device instance data.
233	*/
234	DECLR3CALLBACKMEMBER(void, pfnVMPowerOff,(PPDMUSBINS pUsbIns));
235
236	/**
237	* Called after the constructor when attaching a device at run time.
238	*
239	* This can be used to do tasks normally assigned to pfnInitComplete and/or pfnVMPowerOn.
240	*
241	* @returns VBox status.
242	* @param pUsbIns The USB device instance data.
243	* @remarks Optional.
244	*/
245	DECLR3CALLBACKMEMBER(void, pfnHotPlugged,(PPDMUSBINS pUsbIns));
246
247	/**
248	* Called before the destructor when a device is unplugged at run time.
249	*
250	* This can be used to do tasks normally assigned to pfnVMSuspend and/or pfnVMPowerOff.
251	*
252	* @returns VBox status.
253	* @param pUsbIns The USB device instance data.
254	* @remarks Optional.
255	*/
256	DECLR3CALLBACKMEMBER(void, pfnHotUnplugged,(PPDMUSBINS pUsbIns));
257	/**
258	* Driver Attach command.
259	*
260	* This is called to let the USB device attach to a driver for a specified LUN
261	* at runtime. This is not called during VM construction, the device constructor
262	* have to attach to all the available drivers.
263	*
264	* @returns VBox status code.
265	* @param pUsbIns The USB device instance data.
266	* @param iLUN The logical unit which is being detached.
267	* @remarks Optional.
268	*/
269	DECLR3CALLBACKMEMBER(int, pfnDriverAttach,(PPDMUSBINS pUsbIns, unsigned iLUN));
270
271	/**
272	* Driver Detach notification.
273	*
274	* This is called when a driver is detaching itself from a LUN of the device.
275	* The device should adjust it's state to reflect this.
276	*
277	* @param pUsbIns The USB device instance data.
278	* @param iLUN The logical unit which is being detached.
279	* @remarks Optional.
280	*/
281	DECLR3CALLBACKMEMBER(void, pfnDriverDetach,(PPDMUSBINS pUsbIns, unsigned iLUN));
282
283	/**
284	* Query the base interface of a logical unit.
285	*
286	* @returns VBOX status code.
287	* @param pUsbIns The USB device instance data.
288	* @param iLUN The logicial unit to query.
289	* @param ppBase Where to store the pointer to the base interface of the LUN.
290	* @remarks Optional.
291	*/
292	DECLR3CALLBACKMEMBER(int, pfnQueryInterface,(PPDMUSBINS pUsbIns, unsigned iLUN, PPDMIBASE *ppBase));
293
294	/**
295	* Requests the USB device to reset.
296	*
297	* @returns VBox status code.
298	* @param pUsbIns The USB device instance.
299	* @param fResetOnLinux A hint to the usb proxy.
300	* Don't use this unless you're the linux proxy device.
301	* @thread Any thread.
302	* @remarks Optional.
303	*/
304	DECLR3CALLBACKMEMBER(int, pfnUsbReset,(PPDMUSBINS pUsbIns, bool fResetOnLinux));
305
306	/**
307	* Query device and configuration descriptors for the caching and servicing
308	* relevant GET_DESCRIPTOR requests.
309	*
310	* @returns Pointer to the descriptor cache (read-only).
311	* @param pUsbIns The USB device instance.
312	* @remarks Mandatory.
313	*/
314	DECLR3CALLBACKMEMBER(PCPDMUSBDESCCACHE, pfnUsbGetDescriptorCache,(PPDMUSBINS pUsbIns));
315
316	/**
317	* SET_CONFIGURATION request.
318	*
319	* @returns VBox status code.
320	* @param pUsbIns The USB device instance.
321	* @param bConfigurationValue The bConfigurationValue of the new configuration.
322	* @param pvOldCfgDesc Internal - for the device proxy.
323	* @param pvOldIfState Internal - for the device proxy.
324	* @param pvNewCfgDesc Internal - for the device proxy.
325	* @remarks Optional.
326	*/
327	DECLR3CALLBACKMEMBER(int, pfnUsbSetConfiguration,(PPDMUSBINS pUsbIns, uint8_t bConfigurationValue,
328	const void pvOldCfgDesc, const void pvOldIfState, const void *pvNewCfgDesc));
329
330	/**
331	* SET_INTERFACE request.
332	*
333	* @returns VBox status code.
334	* @param pUsbIns The USB device instance.
335	* @param bInterfaceNumber The interface number.
336	* @param bAlternateSetting The alternate setting.
337	* @remarks Optional.
338	*/
339	DECLR3CALLBACKMEMBER(int, pfnUsbSetInterface,(PPDMUSBINS pUsbIns, uint8_t bInterfaceNumber, uint8_t bAlternateSetting));
340
341	/**
342	* Clears the halted state of an endpoint. (Optional)
343	*
344	* This called when VUSB sees a CLEAR_FEATURE(ENDPOINT_HALT) on request
345	* on the zero pipe.
346	*
347	* @returns VBox status code.
348	* @param pUsbIns The USB device instance.
349	* @param uEndpoint The endpoint to clear.
350	* @remarks Optional.
351	*/
352	DECLR3CALLBACKMEMBER(int, pfnUsbClearHaltedEndpoint,(PPDMUSBINS pUsbIns, unsigned uEndpoint));
353
354	/**
355	* Allocates an URB.
356	*
357	* This can be used to make use of shared user/kernel mode buffers.
358	*
359	* @returns VBox status code.
360	* @param pUsbIns The USB device instance.
361	* @param cbData The size of the data buffer.
362	* @param cTds The number of TDs.
363	* @param enmType The type of URB.
364	* @param ppUrb Where to store the allocated URB.
365	* @remarks Optional.
366	* @remarks Not implemented yet.
367	*/
368	DECLR3CALLBACKMEMBER(int, pfnUrbNew,(PPDMUSBINS pUsbIns, size_t cbData, size_t cTds, VUSBXFERTYPE enmType, PVUSBURB *ppUrb));
369
370	/**
371	* Queues an URB for processing.
372	*
373	* @returns VBox status code.
374	* @retval VINF_SUCCESS on success.
375	* @retval VERR_VUSB_DEVICE_NOT_ATTACHED if the device has been disconnected.
376	* @retval VERR_VUSB_FAILED_TO_QUEUE_URB as a general failure kind of thing.
377	* @retval TBD - document new stuff!
378	*
379	* @param pUsbIns The USB device instance.
380	* @param pUrb The URB to process.
381	* @remarks Mandatory.
382	*/
383	DECLR3CALLBACKMEMBER(int, pfnUrbQueue,(PPDMUSBINS pUsbIns, PVUSBURB pUrb));
384
385	/**
386	* Cancels an URB.
387	*
388	* @returns VBox status code.
389	* @param pUsbIns The USB device instance.
390	* @param pUrb The URB to cancel.
391	* @remarks Mandatory.
392	*/
393	DECLR3CALLBACKMEMBER(int, pfnUrbCancel,(PPDMUSBINS pUsbIns, PVUSBURB pUrb));
394
395	/**
396	* Reaps an URB.
397	*
398	* @returns A ripe URB, NULL if none.
399	* @param pUsbIns The USB device instance.
400	* @param cMillies How log to wait for an URB to become ripe.
401	* @remarks Mandatory.
402	*/
403	DECLR3CALLBACKMEMBER(PVUSBURB, pfnUrbReap,(PPDMUSBINS pUsbIns, RTMSINTERVAL cMillies));
404
405
406	/** Just some init precaution. Must be set to PDM_USBREG_VERSION. */
407	uint32_t u32TheEnd;
408	} PDMUSBREG;
409	/** Pointer to a PDM USB Device Structure. */
410	typedef PDMUSBREG *PPDMUSBREG;
411	/** Const pointer to a PDM USB Device Structure. */
412	typedef PDMUSBREG const *PCPDMUSBREG;
413
414	/** Current USBREG version number. */
415	#define PDM_USBREG_VERSION PDM_VERSION_MAKE(0xeeff, 1, 0)
416
417	/** PDM USB Device Flags.
418	* @{ */
419	/* none yet */
420	/** @} */
421
422
423	#ifdef IN_RING3
424
425	/**
426	* PDM USB Device API.
427	*/
428	typedef struct PDMUSBHLP
429	{
430	/** Structure version. PDM_USBHLP_VERSION defines the current version. */
431	uint32_t u32Version;
432
433	/**
434	* Attaches a driver (chain) to the USB device.
435	*
436	* The first call for a LUN this will serve as a registartion of the LUN. The pBaseInterface and
437	* the pszDesc string will be registered with that LUN and kept around for PDMR3QueryUSBDeviceLun().
438	*
439	* @returns VBox status code.
440	* @param pUsbIns The USB device instance.
441	* @param iLun The logical unit to attach.
442	* @param pBaseInterface Pointer to the base interface for that LUN. (device side / down)
443	* @param ppBaseInterface Where to store the pointer to the base interface. (driver side / up)
444	* @param pszDesc Pointer to a string describing the LUN. This string must remain valid
445	* for the live of the device instance.
446	*/
447	DECLR3CALLBACKMEMBER(int, pfnDriverAttach,(PPDMUSBINS pUsbIns, RTUINT iLun, PPDMIBASE pBaseInterface, PPDMIBASE ppBaseInterface, const char pszDesc));
448
449	/**
450	* Assert that the current thread is the emulation thread.
451	*
452	* @returns True if correct.
453	* @returns False if wrong.
454	* @param pUsbIns The USB device instance.
455	* @param pszFile Filename of the assertion location.
456	* @param iLine Linenumber of the assertion location.
457	* @param pszFunction Function of the assertion location.
458	*/
459	DECLR3CALLBACKMEMBER(bool, pfnAssertEMT,(PPDMUSBINS pUsbIns, const char pszFile, unsigned iLine, const char pszFunction));
460
461	/**
462	* Assert that the current thread is NOT the emulation thread.
463	*
464	* @returns True if correct.
465	* @returns False if wrong.
466	* @param pUsbIns The USB device instance.
467	* @param pszFile Filename of the assertion location.
468	* @param iLine Linenumber of the assertion location.
469	* @param pszFunction Function of the assertion location.
470	*/
471	DECLR3CALLBACKMEMBER(bool, pfnAssertOther,(PPDMUSBINS pUsbIns, const char pszFile, unsigned iLine, const char pszFunction));
472
473	/**
474	* Stops the VM and enters the debugger to look at the guest state.
475	*
476	* Use the PDMUsbDBGFStop() inline function with the RT_SRC_POS macro instead of
477	* invoking this function directly.
478	*
479	* @returns VBox status code which must be passed up to the VMM.
480	* @param pUsbIns The USB device instance.
481	* @param pszFile Filename of the assertion location.
482	* @param iLine The linenumber of the assertion location.
483	* @param pszFunction Function of the assertion location.
484	* @param pszFormat Message. (optional)
485	* @param va Message parameters.
486	*/
487	DECLR3CALLBACKMEMBER(int, pfnDBGFStopV,(PPDMUSBINS pUsbIns, const char pszFile, unsigned iLine, const char pszFunction, const char *pszFormat, va_list va));
488
489	/**
490	* Register a info handler with DBGF,
491	*
492	* @returns VBox status code.
493	* @param pUsbIns The USB device instance.
494	* @param pszName The identifier of the info.
495	* @param pszDesc The description of the info and any arguments the handler may take.
496	* @param pfnHandler The handler function to be called to display the info.
497	*/
498	DECLR3CALLBACKMEMBER(int, pfnDBGFInfoRegister,(PPDMUSBINS pUsbIns, const char pszName, const char pszDesc, PFNDBGFHANDLERUSB pfnHandler));
499
500	/**
501	* Allocate memory which is associated with current VM instance
502	* and automatically freed on it's destruction.
503	*
504	* @returns Pointer to allocated memory. The memory is NOT zero-ed.
505	* @param pUsbIns The USB device instance.
506	* @param cb Number of bytes to allocate.
507	*/
508	DECLR3CALLBACKMEMBER(void *, pfnMMHeapAlloc,(PPDMUSBINS pUsbIns, size_t cb));
509
510	/**
511	* Allocate memory which is associated with current VM instance
512	* and automatically freed on it's destruction. The memory is ZEROed.
513	*
514	* @returns Pointer to allocated memory. The memory is NOT zero-ed.
515	* @param pUsbIns The USB device instance.
516	* @param cb Number of bytes to allocate.
517	*/
518	DECLR3CALLBACKMEMBER(void *, pfnMMHeapAllocZ,(PPDMUSBINS pUsbIns, size_t cb));
519
520	/**
521	* Create a queue.
522	*
523	* @returns VBox status code.
524	* @param pUsbIns The USB device instance.
525	* @param cbItem Size a queue item.
526	* @param cItems Number of items in the queue.
527	* @param cMilliesInterval Number of milliseconds between polling the queue.
528	* If 0 then the emulation thread will be notified whenever an item arrives.
529	* @param pfnCallback The consumer function.
530	* @param pszName The queue base name. The instance number will be
531	* appended automatically.
532	* @param ppQueue Where to store the queue handle on success.
533	* @thread The emulation thread.
534	*/
535	DECLR3CALLBACKMEMBER(int, pfnPDMQueueCreate,(PPDMUSBINS pUsbIns, RTUINT cbItem, RTUINT cItems, uint32_t cMilliesInterval,
536	PFNPDMQUEUEUSB pfnCallback, const char pszName, PPDMQUEUE ppQueue));
537
538	/**
539	* Register a save state data unit.
540	*
541	* @returns VBox status.
542	* @param pUsbIns The USB device instance.
543	* @param uVersion Data layout version number.
544	* @param cbGuess The approximate amount of data in the unit.
545	* Only for progress indicators.
546	*
547	* @param pfnLivePrep Prepare live save callback, optional.
548	* @param pfnLiveExec Execute live save callback, optional.
549	* @param pfnLiveVote Vote live save callback, optional.
550	*
551	* @param pfnSavePrep Prepare save callback, optional.
552	* @param pfnSaveExec Execute save callback, optional.
553	* @param pfnSaveDone Done save callback, optional.
554	*
555	* @param pfnLoadPrep Prepare load callback, optional.
556	* @param pfnLoadExec Execute load callback, optional.
557	* @param pfnLoadDone Done load callback, optional.
558	*/
559	DECLR3CALLBACKMEMBER(int, pfnSSMRegister,(PPDMUSBINS pUsbIns, uint32_t uVersion, size_t cbGuess,
560	PFNSSMUSBLIVEPREP pfnLivePrep, PFNSSMUSBLIVEEXEC pfnLiveExec, PFNSSMUSBLIVEVOTE pfnLiveVote,
561	PFNSSMUSBSAVEPREP pfnSavePrep, PFNSSMUSBSAVEEXEC pfnSaveExec, PFNSSMUSBSAVEDONE pfnSaveDone,
562	PFNSSMUSBLOADPREP pfnLoadPrep, PFNSSMUSBLOADEXEC pfnLoadExec, PFNSSMUSBLOADDONE pfnLoadDone));
563
564	/**
565	* Register a STAM sample.
566	*
567	* Use the PDMUsbHlpSTAMRegister wrapper.
568	*
569	* @returns VBox status.
570	* @param pUsbIns The USB device instance.
571	* @param pvSample Pointer to the sample.
572	* @param enmType Sample type. This indicates what pvSample is pointing at.
573	* @param enmVisibility Visibility type specifying whether unused statistics should be visible or not.
574	* @param enmUnit Sample unit.
575	* @param pszDesc Sample description.
576	* @param pszName The sample name format string.
577	* @param va Arguments to the format string.
578	*/
579	DECLR3CALLBACKMEMBER(void, pfnSTAMRegisterV,(PPDMUSBINS pUsbIns, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility,
580	STAMUNIT enmUnit, const char pszDesc, const char pszName, va_list va));
581
582	/**
583	* Creates a timer.
584	*
585	* @returns VBox status.
586	* @param pUsbIns The USB device instance.
587	* @param enmClock The clock to use on this timer.
588	* @param pfnCallback Callback function.
589	* @param pvUser User argument for the callback.
590	* @param fFlags Flags, see TMTIMER_FLAGS_*.
591	* @param pszDesc Pointer to description string which must stay around
592	* until the timer is fully destroyed (i.e. a bit after TMTimerDestroy()).
593	* @param ppTimer Where to store the timer on success.
594	*/
595	DECLR3CALLBACKMEMBER(int, pfnTMTimerCreate,(PPDMUSBINS pUsbIns, TMCLOCK enmClock, PFNTMTIMERUSB pfnCallback, void *pvUser,
596	uint32_t fFlags, const char *pszDesc, PPTMTIMERR3 ppTimer));
597
598	/**
599	* Set the VM error message
600	*
601	* @returns rc.
602	* @param pUsbIns The USB device instance.
603	* @param rc VBox status code.
604	* @param RT_SRC_POS_DECL Use RT_SRC_POS.
605	* @param pszFormat Error message format string.
606	* @param va Error message arguments.
607	*/
608	DECLR3CALLBACKMEMBER(int, pfnVMSetErrorV,(PPDMUSBINS pUsbIns, int rc, RT_SRC_POS_DECL, const char *pszFormat, va_list va));
609
610	/**
611	* Set the VM runtime error message
612	*
613	* @returns VBox status code.
614	* @param pUsbIns The USB device instance.
615	* @param fFlags The action flags. See VMSETRTERR_FLAGS_*.
616	* @param pszErrorId Error ID string.
617	* @param pszFormat Error message format string.
618	* @param va Error message arguments.
619	*/
620	DECLR3CALLBACKMEMBER(int, pfnVMSetRuntimeErrorV,(PPDMUSBINS pUsbIns, uint32_t fFlags, const char pszErrorId, const char pszFormat, va_list va));
621
622	/**
623	* Gets the VM state.
624	*
625	* @returns VM state.
626	* @param pUsbIns The USB device instance.
627	* @thread Any thread (just keep in mind that it's volatile info).
628	*/
629	DECLR3CALLBACKMEMBER(VMSTATE, pfnVMState, (PPDMUSBINS pUsbIns));
630
631	/**
632	* Set up asynchronous handling of a suspend, reset or power off notification.
633	*
634	* This shall only be called when getting the notification. It must be called
635	* for each one.
636	*
637	* @returns VBox status code.
638	* @param pUSBIns The USB device instance.
639	* @param pfnAsyncNotify The callback.
640	* @thread EMT(0)
641	*/
642	DECLR3CALLBACKMEMBER(int, pfnSetAsyncNotification, (PPDMUSBINS pUSbIns, PFNPDMUSBASYNCNOTIFY pfnAsyncNotify));
643
644	/**
645	* Notify EMT(0) that the device has completed the asynchronous notification
646	* handling.
647	*
648	* This can be called at any time, spurious calls will simply be ignored.
649	*
650	* @param pUSBIns The USB device instance.
651	* @thread Any
652	*/
653	DECLR3CALLBACKMEMBER(void, pfnAsyncNotificationCompleted, (PPDMUSBINS pUsbIns));
654
655	/** Just a safety precaution. */
656	uint32_t u32TheEnd;
657	} PDMUSBHLP;
658	/** Pointer PDM USB Device API. */
659	typedef PDMUSBHLP *PPDMUSBHLP;
660	/** Pointer const PDM USB Device API. */
661	typedef const PDMUSBHLP *PCPDMUSBHLP;
662
663	/** Current USBHLP version number. */
664	#define PDM_USBHLP_VERSION PDM_VERSION_MAKE(0xeefe, 1, 0)
665
666	#endif /* IN_RING3 */
667
668	/**
669	* PDM USB Device Instance.
670	*/
671	typedef struct PDMUSBINS
672	{
673	/** Structure version. PDM_USBINS_VERSION defines the current version. */
674	uint32_t u32Version;
675	/** USB device instance number. */
676	RTUINT iInstance;
677	/** The base interface of the device.
678	* The device constructor initializes this if it has any device level
679	* interfaces to export. To obtain this interface call PDMR3QueryUSBDevice(). */
680	PDMIBASE IBase;
681	#if HC_ARCH_BITS == 32
682	uint32_t u32Alignment; /*< Alignment padding. /
683	#endif
684
685	/** Internal data. */
686	union
687	{
688	#ifdef PDMUSBINSINT_DECLARED
689	PDMUSBINSINT s;
690	#endif
691	uint8_t padding[HC_ARCH_BITS == 32 ? 96 : 128];
692	} Internal;
693
694	/** Pointer the PDM USB Device API. */
695	R3PTRTYPE(PCPDMUSBHLP) pHlpR3;
696	/** Pointer to the USB device registration structure. */
697	R3PTRTYPE(PCPDMUSBREG) pReg;
698	/** Configuration handle. */
699	R3PTRTYPE(PCFGMNODE) pCfg;
700	/** The (device) global configuration handle. */
701	R3PTRTYPE(PCFGMNODE) pCfgGlobal;
702	/** Pointer to device instance data. */
703	R3PTRTYPE(void *) pvInstanceDataR3;
704	/** Pointer to the VUSB Device structure.
705	* Internal to VUSB, don't touch.
706	* @todo Moved this to PDMUSBINSINT. */
707	R3PTRTYPE(void *) pvVUsbDev2;
708	/** Device name for using when logging.
709	* The constructor sets this and the destructor frees it. */
710	R3PTRTYPE(char *) pszName;
711	/** Padding to make achInstanceData aligned at 32 byte boundrary. */
712	uint32_t au32Padding[HC_ARCH_BITS == 32 ? 5 : 2];
713	/** Device instance data. The size of this area is defined
714	* in the PDMUSBREG::cbInstanceData field. */
715	char achInstanceData[8];
716	} PDMUSBINS;
717
718	/** Current USBINS version number. */
719	#define PDM_USBINS_VERSION PDM_VERSION_MAKE(0xeefd, 1, 0)
720
721	/**
722	* Checks the structure versions of the USB device instance and USB device
723	* helpers, returning if they are incompatible.
724	*
725	* This is for use in the constructor.
726	*
727	* @param pUsbIns The USB device instance pointer.
728	*/
729	#define PDMUSB_CHECK_VERSIONS_RETURN(pUsbIns) \
730	do \
731	{ \
732	PPDMUSBINS pUsbInsTypeCheck = (pUsbIns); NOREF(pUsbInsTypeCheck); \
733	AssertLogRelMsgReturn(PDM_VERSION_ARE_COMPATIBLE((pUsbIns)->u32Version, PDM_USBINS_VERSION), \
734	("DevIns=%#x mine=%#x\n", (pUsbIns)->u32Version, PDM_USBINS_VERSION), \
735	VERR_VERSION_MISMATCH); \
736	AssertLogRelMsgReturn(PDM_VERSION_ARE_COMPATIBLE((pUsbIns)->pHlpR3->u32Version, PDM_USBHLP_VERSION), \
737	("DevHlp=%#x mine=%#x\n", (pUsbIns)->pHlpR3->u32Version, PDM_USBHLP_VERSION), \
738	VERR_VERSION_MISMATCH); \
739	} while (0)
740
741	/**
742	* Quietly checks the structure versions of the USB device instance and
743	* USB device helpers, returning if they are incompatible.
744	*
745	* This is for use in the destructor.
746	*
747	* @param pUsbIns The USB device instance pointer.
748	*/
749	#define PDMUSB_CHECK_VERSIONS_RETURN_QUIET(pUsbIns) \
750	do \
751	{ \
752	PPDMUSBINS pUsbInsTypeCheck = (pUsbIns); NOREF(pUsbInsTypeCheck); \
753	if (RT_UNLIKELY( !PDM_VERSION_ARE_COMPATIBLE((pUsbIns)->u32Version, PDM_USBINS_VERSION) \
754	\|\| !PDM_VERSION_ARE_COMPATIBLE((pUsbIns)->pHlpR3->u32Version, PDM_USBHLPR3_VERSION) )) \
755	return VERR_VERSION_MISMATCH; \
756	} while (0)
757
758
759	/** Converts a pointer to the PDMUSBINS::IBase to a pointer to PDMUSBINS. */
760	#define PDMIBASE_2_PDMUSB(pInterface) ( (PPDMUSBINS)((char *)(pInterface) - RT_OFFSETOF(PDMUSBINS, IBase)) )
761
762
763	/** @def PDMUSB_ASSERT_EMT
764	* Assert that the current thread is the emulation thread.
765	*/
766	#ifdef VBOX_STRICT
767	# define PDMUSB_ASSERT_EMT(pUsbIns) pUsbIns->pHlpR3->pfnAssertEMT(pUsbIns, __FILE__, __LINE__, __FUNCTION__)
768	#else
769	# define PDMUSB_ASSERT_EMT(pUsbIns) do { } while (0)
770	#endif
771
772	/** @def PDMUSB_ASSERT_OTHER
773	* Assert that the current thread is NOT the emulation thread.
774	*/
775	#ifdef VBOX_STRICT
776	# define PDMUSB_ASSERT_OTHER(pUsbIns) pUsbIns->pHlpR3->pfnAssertOther(pUsbIns, __FILE__, __LINE__, __FUNCTION__)
777	#else
778	# define PDMUSB_ASSERT_OTHER(pUsbIns) do { } while (0)
779	#endif
780
781	/** @def PDMUSB_SET_ERROR
782	* Set the VM error. See PDMUsbHlpVMSetError() for printf like message
783	* formatting.
784	*/
785	#define PDMUSB_SET_ERROR(pUsbIns, rc, pszError) \
786	PDMUsbHlpVMSetError(pUsbIns, rc, RT_SRC_POS, "%s", pszError)
787
788	/** @def PDMUSB_SET_RUNTIME_ERROR
789	* Set the VM runtime error. See PDMUsbHlpVMSetRuntimeError() for printf like
790	* message formatting.
791	*/
792	#define PDMUSB_SET_RUNTIME_ERROR(pUsbIns, fFlags, pszErrorId, pszError) \
793	PDMUsbHlpVMSetRuntimeError(pUsbIns, fFlags, pszErrorId, "%s", pszError)
794
795
796	#ifdef IN_RING3
797
798	/**
799	* @copydoc PDMUSBHLP::pfnDriverAttach
800	*/
801	DECLINLINE(int) PDMUsbHlpDriverAttach(PPDMUSBINS pUsbIns, RTUINT iLun, PPDMIBASE pBaseInterface, PPDMIBASE ppBaseInterface, const char pszDesc)
802	{
803	return pUsbIns->pHlpR3->pfnDriverAttach(pUsbIns, iLun, pBaseInterface, ppBaseInterface, pszDesc);
804	}
805
806	/**
807	* VBOX_STRICT wrapper for pHlpR3->pfnDBGFStopV.
808	*
809	* @returns VBox status code which must be passed up to the VMM.
810	* @param pUsbIns Device instance.
811	* @param RT_SRC_POS_DECL Use RT_SRC_POS.
812	* @param pszFormat Message. (optional)
813	* @param ... Message parameters.
814	*/
815	DECLINLINE(int) PDMUsbDBGFStop(PPDMUSBINS pUsbIns, RT_SRC_POS_DECL, const char *pszFormat, ...)
816	{
817	#ifdef VBOX_STRICT
818	int rc;
819	va_list va;
820	va_start(va, pszFormat);
821	rc = pUsbIns->pHlpR3->pfnDBGFStopV(pUsbIns, RT_SRC_POS_ARGS, pszFormat, va);
822	va_end(va);
823	return rc;
824	#else
825	NOREF(pUsbIns);
826	NOREF(pszFile);
827	NOREF(iLine);
828	NOREF(pszFunction);
829	NOREF(pszFormat);
830	return VINF_SUCCESS;
831	#endif
832	}
833
834	/**
835	* @copydoc PDMUSBHLP::pfnVMState
836	*/
837	DECLINLINE(VMSTATE) PDMUsbHlpVMState(PPDMUSBINS pUsbIns)
838	{
839	return pUsbIns->pHlpR3->pfnVMState(pUsbIns);
840	}
841
842	/**
843	* @copydoc PDMUSBHLP::pfnSetAsyncNotification
844	*/
845	DECLINLINE(int) PDMUsbHlpSetAsyncNotification(PPDMUSBINS pUsbIns, PFNPDMUSBASYNCNOTIFY pfnAsyncNotify)
846	{
847	return pUsbIns->pHlpR3->pfnSetAsyncNotification(pUsbIns, pfnAsyncNotify);
848	}
849
850	/**
851	* @copydoc PDMUSBHLP::pfnAsyncNotificationCompleted
852	*/
853	DECLINLINE(void) PDMUsbHlpAsyncNotificationCompleted(PPDMUSBINS pUsbIns)
854	{
855	pUsbIns->pHlpR3->pfnAsyncNotificationCompleted(pUsbIns);
856	}
857
858	/**
859	* Set the VM error message
860	*
861	* @returns rc.
862	* @param pUsbIns The USB device instance.
863	* @param rc VBox status code.
864	* @param RT_SRC_POS_DECL Use RT_SRC_POS.
865	* @param pszFormat Error message format string.
866	* @param ... Error message arguments.
867	*/
868	DECLINLINE(int) PDMUsbHlpVMSetError(PPDMUSBINS pUsbIns, int rc, RT_SRC_POS_DECL, const char *pszFormat, ...)
869	{
870	va_list va;
871	va_start(va, pszFormat);
872	rc = pUsbIns->pHlpR3->pfnVMSetErrorV(pUsbIns, rc, RT_SRC_POS_ARGS, pszFormat, va);
873	va_end(va);
874	return rc;
875	}
876
877	/**
878	* @copydoc PDMUSBHLP::pfnMMHeapAlloc
879	*/
880	DECLINLINE(void *) PDMUsbHlpMMHeapAlloc(PPDMUSBINS pUsbIns, size_t cb)
881	{
882	return pUsbIns->pHlpR3->pfnMMHeapAlloc(pUsbIns, cb);
883	}
884
885	/**
886	* @copydoc PDMUSBHLP::pfnMMHeapAllocZ
887	*/
888	DECLINLINE(void *) PDMUsbHlpMMHeapAllocZ(PPDMUSBINS pUsbIns, size_t cb)
889	{
890	return pUsbIns->pHlpR3->pfnMMHeapAllocZ(pUsbIns, cb);
891	}
892
893	/**
894	* Frees memory allocated by PDMUsbHlpMMHeapAlloc or PDMUsbHlpMMHeapAllocZ.
895	*
896	* @param pUsbIns The USB device instance.
897	* @param pv The memory to free. NULL is fine.
898	*/
899	DECLINLINE(void) PDMUsbHlpMMHeapFree(PPDMUSBINS pUsbIns, void *pv)
900	{
901	NOREF(pUsbIns);
902	MMR3HeapFree(pv);
903	}
904
905	#endif /* IN_RING3 */
906
907
908
909	/** Pointer to callbacks provided to the VBoxUsbRegister() call. */
910	typedef const struct PDMUSBREGCB *PCPDMUSBREGCB;
911
912	/**
913	* Callbacks for VBoxUSBDeviceRegister().
914	*/
915	typedef struct PDMUSBREGCB
916	{
917	/** Interface version.
918	* This is set to PDM_USBREG_CB_VERSION. */
919	uint32_t u32Version;
920
921	/**
922	* Registers a device with the current VM instance.
923	*
924	* @returns VBox status code.
925	* @param pCallbacks Pointer to the callback table.
926	* @param pReg Pointer to the USB device registration record.
927	* This data must be permanent and readonly.
928	*/
929	DECLR3CALLBACKMEMBER(int, pfnRegister,(PCPDMUSBREGCB pCallbacks, PCPDMUSBREG pReg));
930	} PDMUSBREGCB;
931
932	/** Current version of the PDMUSBREGCB structure. */
933	#define PDM_USBREG_CB_VERSION PDM_VERSION_MAKE(0xeefc, 1, 0)
934
935
936	/**
937	* The VBoxUsbRegister callback function.
938	*
939	* PDM will invoke this function after loading a USB device module and letting
940	* the module decide which devices to register and how to handle conflicts.
941	*
942	* @returns VBox status code.
943	* @param pCallbacks Pointer to the callback table.
944	* @param u32Version VBox version number.
945	*/
946	typedef DECLCALLBACK(int) FNPDMVBOXUSBREGISTER(PCPDMUSBREGCB pCallbacks, uint32_t u32Version);
947
948	VMMR3DECL(int) PDMR3USBCreateProxyDevice(PVM pVM, PCRTUUID pUuid, bool fRemote, const char pszAddress, void pvBackend,
949	uint32_t iUsbVersion, uint32_t fMaskedIfs);
950	VMMR3DECL(int) PDMR3USBDetachDevice(PVM pVM, PCRTUUID pUuid);
951	VMMR3DECL(bool) PDMR3USBHasHub(PVM pVM);
952
953
954	/** @} */
955
956	RT_C_DECLS_END
957
958	#endif

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source: vbox/trunk/include/VBox/pdmusb.h@ 32055

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