vusb.h@ 8299

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Line
1	/** @file
2	* VUSB - VirtualBox USB.
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_vusb_h
31	#define ___VBox_vusb_h
32
33	#include <VBox/cdefs.h>
34	#include <VBox/types.h>
35
36	__BEGIN_DECLS
37
38	/** @defgroup grp_vusb VBox USB API
39	* @{
40	*/
41
42	/** @defgroup grp_vusb_std Standard Stuff
43	* @{ */
44
45	/** Frequency of USB bus (from spec). */
46	#define VUSB_BUS_HZ 12000000
47
48
49	/** @name USB Descriptor types (from spec)
50	* @{ */
51	#define VUSB_DT_DEVICE 0x01
52	#define VUSB_DT_CONFIG 0x02
53	#define VUSB_DT_STRING 0x03
54	#define VUSB_DT_INTERFACE 0x04
55	#define VUSB_DT_ENDPOINT 0x05
56	#define VUSB_DT_DEVICE_QUALIFIER 0x06
57	#define VUSB_DT_OTHER_SPEED_CFG 0x07
58	#define VUSB_DT_INTERFACE_POWER 0x08
59	/** @} */
60
61	/** @name USB Descriptor minimum sizes (from spec)
62	* @{ */
63	#define VUSB_DT_DEVICE_MIN_LEN 18
64	#define VUSB_DT_CONFIG_MIN_LEN 9
65	#define VUSB_DT_CONFIG_STRING_MIN_LEN 2
66	#define VUSB_DT_INTERFACE_MIN_LEN 9
67	#define VUSB_DT_ENDPOINT_MIN_LEN 7
68	/** @} */
69
70
71	#pragma pack(1) /* ensure byte packing of the descriptors. */
72
73	/**
74	* USB language id descriptor (from specs).
75	*/
76	typedef struct VUSBDESCLANGID
77	{
78	uint8_t bLength;
79	uint8_t bDescriptorType;
80	} VUSBDESCLANGID;
81	/** Pointer to a USB language id descriptor. */
82	typedef VUSBDESCLANGID *PVUSBDESCLANGID;
83	/** Pointer to a const USB language id descriptor. */
84	typedef const VUSBDESCLANGID *PCVUSBDESCLANGID;
85
86
87	/**
88	* USB string descriptor (from specs).
89	*/
90	typedef struct VUSBDESCSTRING
91	{
92	uint8_t bLength;
93	uint8_t bDescriptorType;
94	} VUSBDESCSTRING;
95	/** Pointer to a USB string descriptor. */
96	typedef VUSBDESCSTRING *PVUSBDESCSTRING;
97	/** Pointer to a const USB string descriptor. */
98	typedef const VUSBDESCSTRING *PCVUSBDESCSTRING;
99
100
101	/**
102	* USB device descriptor (from spec)
103	*/
104	typedef struct VUSBDESCDEVICE
105	{
106	uint8_t bLength;
107	uint8_t bDescriptorType;
108	uint16_t bcdUSB;
109	uint8_t bDeviceClass;
110	uint8_t bDeviceSubClass;
111	uint8_t bDeviceProtocol;
112	uint8_t bMaxPacketSize0;
113	uint16_t idVendor;
114	uint16_t idProduct;
115	uint16_t bcdDevice;
116	uint8_t iManufacturer;
117	uint8_t iProduct;
118	uint8_t iSerialNumber;
119	uint8_t bNumConfigurations;
120	} VUSBDESCDEVICE;
121	/** Pointer to a USB device descriptor. */
122	typedef VUSBDESCDEVICE *PVUSBDESCDEVICE;
123	/** Pointer to a const USB device descriptor. */
124	typedef const VUSBDESCDEVICE *PCVUSBDESCDEVICE;
125
126
127	/**
128	* USB configuration descriptor (from spec).
129	*/
130	typedef struct VUSBDESCCONFIG
131	{
132	uint8_t bLength;
133	uint8_t bDescriptorType;
134	uint16_t wTotalLength; /*< recalculated by VUSB when involved in URB. /
135	uint8_t bNumInterfaces;
136	uint8_t bConfigurationValue;
137	uint8_t iConfiguration;
138	uint8_t bmAttributes;
139	uint8_t MaxPower;
140	} VUSBDESCCONFIG;
141	/** Pointer to a USB configuration descriptor. */
142	typedef VUSBDESCCONFIG *PVUSBDESCCONFIG;
143	/** Pointer to a readonly USB configuration descriptor. */
144	typedef const VUSBDESCCONFIG *PCVUSBDESCCONFIG;
145
146
147	/**
148	* USB interface descriptor (from spec)
149	*/
150	typedef struct VUSBDESCINTERFACE
151	{
152	uint8_t bLength;
153	uint8_t bDescriptorType;
154	uint8_t bInterfaceNumber;
155	uint8_t bAlternateSetting;
156	uint8_t bNumEndpoints;
157	uint8_t bInterfaceClass;
158	uint8_t bInterfaceSubClass;
159	uint8_t bInterfaceProtocol;
160	uint8_t iInterface;
161	} VUSBDESCINTERFACE;
162	/** Pointer to an USB interface descriptor. */
163	typedef VUSBDESCINTERFACE *PVUSBDESCINTERFACE;
164	/** Pointer to a const USB interface descriptor. */
165	typedef const VUSBDESCINTERFACE *PCVUSBDESCINTERFACE;
166
167
168	/**
169	* USB endpoint descriptor (from spec)
170	*/
171	typedef struct VUSBDESCENDPOINT
172	{
173	uint8_t bLength;
174	uint8_t bDescriptorType;
175	uint8_t bEndpointAddress;
176	uint8_t bmAttributes;
177	uint16_t wMaxPacketSize;
178	uint8_t bInterval;
179	} VUSBDESCENDPOINT;
180	/** Pointer to an USB endpoint descriptor. */
181	typedef VUSBDESCENDPOINT *PVUSBDESCENDPOINT;
182	/** Pointer to a const USB endpoint descriptor. */
183	typedef const VUSBDESCENDPOINT *PCVUSBDESCENDPOINT;
184
185	#pragma pack() /* end of the byte packing. */
186
187
188	/**
189	* USB configuration descriptor, the parsed variant used by VUSB.
190	*/
191	typedef struct VUSBDESCCONFIGEX
192	{
193	/** The USB descriptor data.
194	* @remark The wTotalLength member is recalculated before the data is passed to the guest. */
195	VUSBDESCCONFIG Core;
196	/** Pointer to additional descriptor bytes following what's covered by VUSBDESCCONFIG. */
197	void *pvMore;
198	/** Pointer to an array of the interfaces referenced in the configuration.
199	* Core.bNumInterfaces in size. */
200	const struct VUSBINTERFACE *iface;
201	} VUSBDESCCONFIGEX;
202	/** Pointer to a parsed USB configuration descriptor. */
203	typedef VUSBDESCCONFIGEX *PVUSBDESCCONFIGEX;
204	/** Pointer to a const parsed USB configuration descriptor. */
205	typedef const VUSBDESCCONFIGEX *PCVUSBDESCCONFIGEX;
206
207
208	/**
209	* For tracking the alternate interface settings of a configuration.
210	*/
211	typedef struct VUSBINTERFACE
212	{
213	/** Pointer to an array of interfaces. */
214	const struct VUSBDESCINTERFACEEX *setting;
215	/** The number of entries in the array. */
216	unsigned int num_settings;
217	} VUSBINTERFACE;
218	/** Pointer to a VUSBINTERFACE. */
219	typedef VUSBINTERFACE *PVUSBINTERFACE;
220	/** Pointer to a const VUSBINTERFACE. */
221	typedef const VUSBINTERFACE *PCVUSBINTERFACE;
222
223
224	/**
225	* USB interface descriptor, the parsed variant used by VUSB.
226	*/
227	typedef struct VUSBDESCINTERFACEEX
228	{
229	/** The USB descriptor data. */
230	VUSBDESCINTERFACE Core;
231	/** Pointer to additional descriptor bytes following what's covered by VUSBDESCINTERFACE. */
232	void *pvMore;
233	/** Pointer to an array of the endpoints referenced by the interface.
234	* Core.bNumEndpoints in size. */
235	const struct VUSBDESCENDPOINTEX *endpoint;
236	} VUSBDESCINTERFACEEX;
237	/** Pointer to an prased USB interface descriptor. */
238	typedef VUSBDESCINTERFACEEX *PVUSBDESCINTERFACEEX;
239	/** Pointer to a const parsed USB interface descriptor. */
240	typedef const VUSBDESCINTERFACEEX *PCVUSBDESCINTERFACEEX;
241
242
243	/**
244	* USB endpoint descriptor, the parsed variant used by VUSB.
245	*/
246	typedef struct VUSBDESCENDPOINTEX
247	{
248	/** The USB descriptor data.
249	* @remark The wMaxPacketSize member is converted to native endian. */
250	VUSBDESCENDPOINT Core;
251	/** Pointer to additional descriptor bytes following what's covered by VUSBDESCENDPOINT. */
252	void *pvMore;
253	} VUSBDESCENDPOINTEX;
254	/** Pointer to a parsed USB endpoint descriptor. */
255	typedef VUSBDESCENDPOINTEX *PVUSBDESCENDPOINTEX;
256	/** Pointer to a const parsed USB endpoint descriptor. */
257	typedef const VUSBDESCENDPOINTEX *PCVUSBDESCENDPOINTEX;
258
259
260	/** @name USB Control message recipient codes (from spec)
261	* @{ */
262	#define VUSB_TO_DEVICE 0x0
263	#define VUSB_TO_INTERFACE 0x1
264	#define VUSB_TO_ENDPOINT 0x2
265	#define VUSB_TO_OTHER 0x3
266	#define VUSB_RECIP_MASK 0x1f
267	/** @} */
268
269	/** @name USB control pipe setup packet structure (from spec)
270	* @{ */
271	#define VUSB_REQ_SHIFT (5)
272	#define VUSB_REQ_STANDARD (0x0 << VUSB_REQ_SHIFT)
273	#define VUSB_REQ_CLASS (0x1 << VUSB_REQ_SHIFT)
274	#define VUSB_REQ_VENDOR (0x2 << VUSB_REQ_SHIFT)
275	#define VUSB_REQ_RESERVED (0x3 << VUSB_REQ_SHIFT)
276	#define VUSB_REQ_MASK (0x3 << VUSB_REQ_SHIFT)
277	/** @} */
278
279	#define VUSB_DIR_TO_HOST 0x80
280
281	/**
282	* USB Setup request (from spec)
283	*/
284	typedef struct vusb_setup
285	{
286	uint8_t bmRequestType;
287	uint8_t bRequest;
288	uint16_t wValue;
289	uint16_t wIndex;
290	uint16_t wLength;
291	} VUSBSETUP;
292	/** Pointer to a setup request. */
293	typedef VUSBSETUP *PVUSBSETUP;
294	/** Pointer to a const setup request. */
295	typedef const VUSBSETUP *PCVUSBSETUP;
296
297	/** @name USB Standard device requests (from spec)
298	* @{ */
299	#define VUSB_REQ_GET_STATUS 0x00
300	#define VUSB_REQ_CLEAR_FEATURE 0x01
301	#define VUSB_REQ_SET_FEATURE 0x03
302	#define VUSB_REQ_SET_ADDRESS 0x05
303	#define VUSB_REQ_GET_DESCRIPTOR 0x06
304	#define VUSB_REQ_SET_DESCRIPTOR 0x07
305	#define VUSB_REQ_GET_CONFIGURATION 0x08
306	#define VUSB_REQ_SET_CONFIGURATION 0x09
307	#define VUSB_REQ_GET_INTERFACE 0x0a
308	#define VUSB_REQ_SET_INTERFACE 0x0b
309	#define VUSB_REQ_SYNCH_FRAME 0x0c
310	#define VUSB_REQ_MAX 0x0d
311	/** @} */
312
313	/** @} / / end of grp_vusb_std */
314
315
316
317	/** @name USB Standard version flags.
318	* @{ */
319	/** Indicates USB 1.1 support. */
320	#define VUSB_STDVER_11 RT_BIT(1)
321	/** Indicates USB 2.0 support. */
322	#define VUSB_STDVER_20 RT_BIT(2)
323	/** @} */
324
325
326	/** Pointer to a VBox USB device interface. */
327	typedef struct VUSBIDEVICE *PVUSBIDEVICE;
328
329	/** Pointer to a VUSB RootHub port interface. */
330	typedef struct VUSBIROOTHUBPORT *PVUSBIROOTHUBPORT;
331
332	/** Pointer to an USB request descriptor. */
333	typedef struct VUSBURB *PVUSBURB;
334
335
336
337	/**
338	* VBox USB port bitmap.
339	*
340	* Bit 0 == Port 0, ... , Bit 127 == Port 127.
341	*/
342	typedef struct VUSBPORTBITMAP
343	{
344	/** 128 bits */
345	char ach[16];
346	} VUSBPORTBITMAP;
347	/** Pointer to a VBox USB port bitmap. */
348	typedef VUSBPORTBITMAP *PVUSBPORTBITMAP;
349
350
351	/**
352	* The VUSB RootHub port interface provided by the HCI.
353	*/
354	typedef struct VUSBIROOTHUBPORT
355	{
356	/**
357	* Get the number of avilable ports in the hub.
358	*
359	* @returns The number of ports available.
360	* @param pInterface Pointer to this structure.
361	* @param pAvailable Bitmap indicating the available ports. Set bit == available port.
362	*/
363	DECLR3CALLBACKMEMBER(unsigned, pfnGetAvailablePorts,(PVUSBIROOTHUBPORT pInterface, PVUSBPORTBITMAP pAvailable));
364
365	/**
366	* Gets the supported USB versions.
367	*
368	* @returns The mask of supported USB versions.
369	* @param pInterface Pointer to this structure.
370	*/
371	DECLR3CALLBACKMEMBER(uint32_t, pfnGetUSBVersions,(PVUSBIROOTHUBPORT pInterface));
372
373	/**
374	* A device is being attached to a port in the roothub.
375	*
376	* @param pInterface Pointer to this structure.
377	* @param pDev Pointer to the device being attached.
378	* @param uPort The port number assigned to the device.
379	*/
380	DECLR3CALLBACKMEMBER(int, pfnAttach,(PVUSBIROOTHUBPORT pInterface, PVUSBIDEVICE pDev, unsigned uPort));
381
382	/**
383	* A device is being detached from a port in the roothub.
384	*
385	* @param pInterface Pointer to this structure.
386	* @param pDev Pointer to the device being detached.
387	* @param uPort The port number assigned to the device.
388	*/
389	DECLR3CALLBACKMEMBER(void, pfnDetach,(PVUSBIROOTHUBPORT pInterface, PVUSBIDEVICE pDev, unsigned uPort));
390
391	/**
392	* Reset the root hub.
393	*
394	* @returns VBox status code.
395	* @param pInterface Pointer to this structure.
396	* @param pResetOnLinux Whether or not to do real reset on linux.
397	*/
398	DECLR3CALLBACKMEMBER(int, pfnReset,(PVUSBIROOTHUBPORT pInterface, bool fResetOnLinux));
399
400	/**
401	* Transfer completion callback routine.
402	*
403	* VUSB will call this when a transfer have been completed
404	* in a one or another way.
405	*
406	* @param pInterface Pointer to this structure.
407	* @param pUrb Pointer to the URB in question.
408	*/
409	DECLR3CALLBACKMEMBER(void, pfnXferCompletion,(PVUSBIROOTHUBPORT pInterface, PVUSBURB urb));
410
411	/**
412	* Handle transfer errors.
413	*
414	* VUSB calls this when a transfer attempt failed. This function will respond
415	* indicating wheter to retry or complete the URB with failure.
416	*
417	* @returns Retry indicator.
418	* @param pInterface Pointer to this structure.
419	* @param pUrb Pointer to the URB in question.
420	*/
421	DECLR3CALLBACKMEMBER(bool, pfnXferError,(PVUSBIROOTHUBPORT pInterface, PVUSBURB pUrb));
422
423	/** Alignment dummy. */
424	RTR3PTR Alignment;
425
426	} VUSBIROOTHUBPORT;
427
428
429	/** Pointer to a VUSB RootHub connector interface. */
430	typedef struct VUSBIROOTHUBCONNECTOR *PVUSBIROOTHUBCONNECTOR;
431
432	/**
433	* The VUSB RootHub connector interface provided by the VBox USB RootHub driver.
434	*/
435	typedef struct VUSBIROOTHUBCONNECTOR
436	{
437	/**
438	* Allocates a new URB for a transfer.
439	*
440	* Either submit using pfnSubmitUrb or free using VUSBUrbFree().
441	*
442	* @returns Pointer to a new URB.
443	* @returns NULL on failure - try again later.
444	* This will not fail if the device wasn't found. We'll fail it
445	* at submit time, since that makes the usage of this api simpler.
446	* @param pInterface Pointer to this struct.
447	* @param DstAddress The destination address of the URB.
448	* @param cbData The amount of data space required.
449	* @param cTds The amount of TD space.
450	*/
451	DECLR3CALLBACKMEMBER(PVUSBURB, pfnNewUrb,(PVUSBIROOTHUBCONNECTOR pInterface, uint8_t DstAddress, uint32_t cbData, uint32_t cTds));
452
453	/**
454	* Submits a URB for transfer.
455	* The transfer will do asynchronously if possible.
456	*
457	* @returns VBox status code.
458	* @param pInterface Pointer to this struct.
459	* @param pUrb Pointer to the URB returned by pfnNewUrb.
460	* The URB will be freed in case of failure.
461	* @param pLed Pointer to USB Status LED
462	*/
463	DECLR3CALLBACKMEMBER(int, pfnSubmitUrb,(PVUSBIROOTHUBCONNECTOR pInterface, PVUSBURB pUrb, struct PDMLED *pLed));
464
465	/**
466	* Call to service asynchronous URB completions in a polling fashion.
467	*
468	* Reaped URBs will be finished by calling the completion callback,
469	* thus there is no return code or input or anything from this function
470	* except for potential state changes elsewhere.
471	*
472	* @returns VINF_SUCCESS if no URBs are pending upon return.
473	* @returns VERR_TIMEOUT if one or more URBs are still in flight upon returning.
474	* @returns Other VBox status code.
475	*
476	* @param pInterface Pointer to this struct.
477	* @param cMillies Number of milliseconds to poll for completion.
478	*/
479	DECLR3CALLBACKMEMBER(void, pfnReapAsyncUrbs,(PVUSBIROOTHUBCONNECTOR pInterface, unsigned cMillies));
480
481	/**
482	* Cancels and completes - with CRC failure - all in-flight async URBs.
483	* This is typically done before saving a state.
484	*
485	* @param pInterface Pointer to this struct.
486	*/
487	DECLR3CALLBACKMEMBER(void, pfnCancelAllUrbs,(PVUSBIROOTHUBCONNECTOR pInterface));
488
489	/**
490	* Attach the device to the root hub.
491	* The device must not be attached to any hub for this call to succeed.
492	*
493	* @returns VBox status code.
494	* @param pInterface Pointer to this struct.
495	* @param pDevice Pointer to the device (interface) attach.
496	*/
497	DECLR3CALLBACKMEMBER(int, pfnAttachDevice,(PVUSBIROOTHUBCONNECTOR pInterface, PVUSBIDEVICE pDevice));
498
499	/**
500	* Detach the device from the root hub.
501	* The device must already be attached for this call to succeed.
502	*
503	* @returns VBox status code.
504	* @param pInterface Pointer to this struct.
505	* @param pDevice Pointer to the device (interface) to detach.
506	*/
507	DECLR3CALLBACKMEMBER(int, pfnDetachDevice,(PVUSBIROOTHUBCONNECTOR pInterface, PVUSBIDEVICE pDevice));
508
509	} VUSBIROOTHUBCONNECTOR;
510
511
512	#ifdef IN_RING3
513	/** @copydoc VUSBIROOTHUBCONNECTOR::pfnNewUrb */
514	DECLINLINE(PVUSBURB) VUSBIRhNewUrb(PVUSBIROOTHUBCONNECTOR pInterface, uint32_t DstAddress, uint32_t cbData, uint32_t cTds)
515	{
516	return pInterface->pfnNewUrb(pInterface, DstAddress, cbData, cTds);
517	}
518
519	/** @copydoc VUSBIROOTHUBCONNECTOR::pfnSubmitUrb */
520	DECLINLINE(int) VUSBIRhSubmitUrb(PVUSBIROOTHUBCONNECTOR pInterface, PVUSBURB pUrb, struct PDMLED *pLed)
521	{
522	return pInterface->pfnSubmitUrb(pInterface, pUrb, pLed);
523	}
524
525	/** @copydoc VUSBIROOTHUBCONNECTOR::pfnReapAsyncUrbs */
526	DECLINLINE(void) VUSBIRhReapAsyncUrbs(PVUSBIROOTHUBCONNECTOR pInterface, unsigned cMillies)
527	{
528	pInterface->pfnReapAsyncUrbs(pInterface, cMillies);
529	}
530
531	/** @copydoc VUSBIROOTHUBCONNECTOR::pfnCancelAllUrbs */
532	DECLINLINE(void) VUSBIRhCancelAllUrbs(PVUSBIROOTHUBCONNECTOR pInterface)
533	{
534	pInterface->pfnCancelAllUrbs(pInterface);
535	}
536
537	/** @copydoc VUSBIROOTHUBCONNECTOR::pfnAttachDevice */
538	DECLINLINE(int) VUSBIRhAttachDevice(PVUSBIROOTHUBCONNECTOR pInterface, PVUSBIDEVICE pDevice)
539	{
540	return pInterface->pfnAttachDevice(pInterface, pDevice);
541	}
542
543	/** @copydoc VUSBIROOTHUBCONNECTOR::pfnDetachDevice */
544	DECLINLINE(int) VUSBIRhDetachDevice(PVUSBIROOTHUBCONNECTOR pInterface, PVUSBIDEVICE pDevice)
545	{
546	return pInterface->pfnDetachDevice(pInterface, pDevice);
547	}
548	#endif /* IN_RING3 */
549
550
551
552	/** Pointer to a Root Hub Configuration Interface. */
553	typedef struct VUSBIRHCONFIG *PVUSBIRHCONFIG;
554
555	/**
556	* Root Hub Configuration Interface (intended for MAIN).
557	*/
558	typedef struct VUSBIRHCONFIG
559	{
560	/**
561	* Creates a USB proxy device and attaches it to the root hub.
562	*
563	* @returns VBox status code.
564	* @param pInterface Pointer to the root hub configuration interface structure.
565	* @param pUuid Pointer to the UUID for the new device.
566	* @param fRemote Whether the device must use the VRDP backend.
567	* @param pszAddress OS specific device address.
568	* @param pvBackend An opaque pointer for the backend. Only used by
569	* the VRDP backend so far.
570	*/
571	DECLR3CALLBACKMEMBER(int, pfnCreateProxyDevice,(PVUSBIRHCONFIG pInterface, PCRTUUID pUuid, bool fRemote, const char pszAddress, void pvBackend));
572
573	/**
574	* Removes a USB proxy device from the root hub and destroys it.
575	*
576	* @returns VBox status code.
577	* @param pInterface Pointer to the root hub configuration interface structure.
578	* @param pUuid Pointer to the UUID for the device.
579	*/
580	DECLR3CALLBACKMEMBER(int, pfnDestroyProxyDevice,(PVUSBIRHCONFIG pInterface, PCRTUUID pUuid));
581
582	} VUSBIRHCONFIG;
583
584	#ifdef IN_RING3
585	/** @copydoc VUSBIRHCONFIG::pfnCreateProxyDevice */
586	DECLINLINE(int) VUSBIRhCreateProxyDevice(PVUSBIRHCONFIG pInterface, PCRTUUID pUuid, bool fRemote, const char pszAddress, void pvBackend)
587	{
588	return pInterface->pfnCreateProxyDevice(pInterface, pUuid, fRemote, pszAddress, pvBackend);
589	}
590
591	/** @copydoc VUSBIRHCONFIG::pfnDestroyProxyDevice */
592	DECLINLINE(int) VUSBIRhDestroyProxyDevice(PVUSBIRHCONFIG pInterface, PCRTUUID pUuid)
593	{
594	return pInterface->pfnDestroyProxyDevice(pInterface, pUuid);
595	}
596	#endif /* IN_RING3 */
597
598
599
600	/**
601	* VUSB device reset completion callback function.
602	* This is called by the reset thread when the reset has been completed.
603	*
604	* @param pDev Pointer to the virtual USB device core.
605	* @param rc The VBox status code of the reset operation.
606	* @param pvUser User specific argument.
607	*
608	* @thread The reset thread or EMT.
609	*/
610	typedef DECLCALLBACK(void) FNVUSBRESETDONE(PVUSBIDEVICE pDevice, int rc, void *pvUser);
611	/** Pointer to a device reset completion callback function (FNUSBRESETDONE). */
612	typedef FNVUSBRESETDONE *PFNVUSBRESETDONE;
613
614	/**
615	* The state of a VUSB Device.
616	*
617	* @remark The order of these states is vital.
618	*/
619	typedef enum VUSBDEVICESTATE
620	{
621	VUSB_DEVICE_STATE_INVALID = 0,
622	VUSB_DEVICE_STATE_DETACHED,
623	VUSB_DEVICE_STATE_ATTACHED,
624	VUSB_DEVICE_STATE_POWERED,
625	VUSB_DEVICE_STATE_DEFAULT,
626	VUSB_DEVICE_STATE_ADDRESS,
627	VUSB_DEVICE_STATE_CONFIGURED,
628	VUSB_DEVICE_STATE_SUSPENDED,
629	/** The device is being reset. Don't mess with it.
630	* Next states: VUSB_DEVICE_STATE_DEFAULT, VUSB_DEVICE_STATE_DESTROYED
631	*/
632	VUSB_DEVICE_STATE_RESET,
633	/** The device has been destroy. */
634	VUSB_DEVICE_STATE_DESTROYED,
635	/** The usual 32-bit hack. */
636	VUSB_DEVICE_STATE_32BIT_HACK = 0x7fffffff
637	} VUSBDEVICESTATE;
638
639
640	/**
641	* USB Device Interface.
642	*/
643	typedef struct VUSBIDEVICE
644	{
645	/**
646	* Resets the device.
647	*
648	* Since a device reset shall take at least 10ms from the guest point of view,
649	* it must be performed asynchronously. We create a thread which performs this
650	* operation and ensures it will take at least 10ms.
651	*
652	* At times - like init - a synchronous reset is required, this can be done
653	* by passing NULL for pfnDone.
654	*
655	* -- internal stuff, move it --
656	* While the device is being reset it is in the VUSB_DEVICE_STATE_RESET state.
657	* On completion it will be in the VUSB_DEVICE_STATE_DEFAULT state if successful,
658	* or in the VUSB_DEVICE_STATE_DETACHED state if the rest failed.
659	* -- internal stuff, move it --
660	*
661	* @returns VBox status code.
662	* @param pInterface Pointer to this structure.
663	* @param fResetOnLinux Set if we can permit a real reset and a potential logical
664	* device reconnect on linux hosts.
665	* @param pfnDone Pointer to the completion routine. If NULL a synchronous
666	* reset is preformed not respecting the 10ms.
667	* @param pvUser User argument to the completion routine.
668	* @param pVM Pointer to the VM handle if callback in EMT is required. (optional)
669	*/
670	DECLR3CALLBACKMEMBER(int, pfnReset,(PVUSBIDEVICE pInterface, bool fResetOnLinux,
671	PFNVUSBRESETDONE pfnDone, void *pvUser, PVM pVM));
672
673	/**
674	* Powers on the device.
675	*
676	* @returns VBox status code.
677	* @param pInterface Pointer to the device interface structure.
678	*/
679	DECLR3CALLBACKMEMBER(int, pfnPowerOn,(PVUSBIDEVICE pInterface));
680
681	/**
682	* Powers off the device.
683	*
684	* @returns VBox status code.
685	* @param pInterface Pointer to the device interface structure.
686	*/
687	DECLR3CALLBACKMEMBER(int, pfnPowerOff,(PVUSBIDEVICE pInterface));
688
689	/**
690	* Get the state of the device.
691	*
692	* @returns Device state.
693	* @param pInterface Pointer to the device interface structure.
694	*/
695	DECLR3CALLBACKMEMBER(VUSBDEVICESTATE, pfnGetState,(PVUSBIDEVICE pInterface));
696
697	} VUSBIDEVICE;
698
699
700	#ifdef IN_RING3
701	/**
702	* Resets the device.
703	*
704	* Since a device reset shall take at least 10ms from the guest point of view,
705	* it must be performed asynchronously. We create a thread which performs this
706	* operation and ensures it will take at least 10ms.
707	*
708	* At times - like init - a synchronous reset is required, this can be done
709	* by passing NULL for pfnDone.
710	*
711	* -- internal stuff, move it --
712	* While the device is being reset it is in the VUSB_DEVICE_STATE_RESET state.
713	* On completion it will be in the VUSB_DEVICE_STATE_DEFAULT state if successful,
714	* or in the VUSB_DEVICE_STATE_DETACHED state if the rest failed.
715	* -- internal stuff, move it --
716	*
717	* @returns VBox status code.
718	* @param pInterface Pointer to the device interface structure.
719	* @param fResetOnLinux Set if we can permit a real reset and a potential logical
720	* device reconnect on linux hosts.
721	* @param pfnDone Pointer to the completion routine. If NULL a synchronous
722	* reset is preformed not respecting the 10ms.
723	* @param pvUser User argument to the completion routine.
724	* @param pVM Pointer to the VM handle if callback in EMT is required. (optional)
725	*/
726	DECLINLINE(int) VUSBIDevReset(PVUSBIDEVICE pInterface, bool fResetOnLinux, PFNVUSBRESETDONE pfnDone, void *pvUser, PVM pVM)
727	{
728	return pInterface->pfnReset(pInterface, fResetOnLinux, pfnDone, pvUser, pVM);
729	}
730
731	/**
732	* Powers on the device.
733	*
734	* @returns VBox status code.
735	* @param pInterface Pointer to the device interface structure.
736	*/
737	DECLINLINE(int) VUSBIDevPowerOn(PVUSBIDEVICE pInterface)
738	{
739	return pInterface->pfnPowerOn(pInterface);
740	}
741
742	/**
743	* Powers off the device.
744	*
745	* @returns VBox status code.
746	* @param pInterface Pointer to the device interface structure.
747	*/
748	DECLINLINE(int) VUSBIDevPowerOff(PVUSBIDEVICE pInterface)
749	{
750	return pInterface->pfnPowerOff(pInterface);
751	}
752
753	/**
754	* Get the state of the device.
755	*
756	* @returns Device state.
757	* @param pInterface Pointer to the device interface structure.
758	*/
759	DECLINLINE(VUSBDEVICESTATE) VUSBIDevGetState(PVUSBIDEVICE pInterface)
760	{
761	return pInterface->pfnGetState(pInterface);
762	}
763	#endif /* IN_RING3 */
764
765
766	/** @name URB
767	* @{ */
768
769	/**
770	* VUSB Transfer status codes.
771	*/
772	typedef enum VUSBSTATUS
773	{
774	/** Transer was ok. */
775	VUSBSTATUS_OK = 0,
776	/** Transfer stalled, endpoint halted. */
777	VUSBSTATUS_STALL,
778	/** Device not responding. */
779	VUSBSTATUS_DNR,
780	/** CRC error. */
781	VUSBSTATUS_CRC,
782	/** Data overrun error. */
783	VUSBSTATUS_DATA_UNDERRUN,
784	/** Data overrun error. */
785	VUSBSTATUS_DATA_OVERRUN,
786	/** The isochronous buffer hasn't been touched. */
787	VUSBSTATUS_NOT_ACCESSED,
788	/** Invalid status. */
789	VUSBSTATUS_INVALID = 0x7f
790	} VUSBSTATUS;
791
792
793	/**
794	* VUSB Transfer types.
795	*/
796	typedef enum VUSBXFERTYPE
797	{
798	/** Control message. Used to represent a single control transfer. */
799	VUSBXFERTYPE_CTRL = 0,
800	/* Isochronous transfer. */
801	VUSBXFERTYPE_ISOC,
802	/** Bulk transfer. */
803	VUSBXFERTYPE_BULK,
804	/** Interrupt transfer. */
805	VUSBXFERTYPE_INTR,
806	/** Complete control message. Used to represent an entire control message. */
807	VUSBXFERTYPE_MSG,
808	/** Invalid transfer type. */
809	VUSBXFERTYPE_INVALID = 0x7f
810	} VUSBXFERTYPE;
811
812
813	/**
814	* VUSB transfer direction.
815	*/
816	typedef enum VUSBDIRECTION
817	{
818	/** Setup */
819	VUSBDIRECTION_SETUP = 0,
820	#define VUSB_DIRECTION_SETUP VUSBDIRECTION_SETUP
821	/** In - Device to host. */
822	VUSBDIRECTION_IN = 1,
823	#define VUSB_DIRECTION_IN VUSBDIRECTION_IN
824	/** Out - Host to device. */
825	VUSBDIRECTION_OUT = 2,
826	#define VUSB_DIRECTION_OUT VUSBDIRECTION_OUT
827	/** Invalid direction */
828	VUSBDIRECTION_INVALID = 0x7f
829	} VUSBDIRECTION;
830
831	/**
832	* The URB states
833	*/
834	typedef enum VUSBURBSTATE
835	{
836	/** The usual invalid state. */
837	VUSBURBSTATE_INVALID = 0,
838	/** The URB is free, i.e. not in use.
839	* Next state: ALLOCATED */
840	VUSBURBSTATE_FREE,
841	/** The URB is allocated, i.e. being prepared for submission.
842	* Next state: FREE, IN_FLIGHT */
843	VUSBURBSTATE_ALLOCATED,
844	/** The URB is in flight.
845	* Next state: REAPED, CANCELLED */
846	VUSBURBSTATE_IN_FLIGHT,
847	/** The URB has been reaped and is being completed.
848	* Next state: FREE */
849	VUSBURBSTATE_REAPED,
850	/** The URB has been cancelled and is awaiting reaping and immediate freeing.
851	* Next state: FREE */
852	VUSBURBSTATE_CANCELLED,
853	/** The end of the valid states (exclusive). */
854	VUSBURBSTATE_END,
855	/** The usual 32-bit blow up. */
856	VUSBURBSTATE_32BIT_HACK = 0x7fffffff
857	} VUSBURBSTATE;
858
859
860	/**
861	* Information about a isochronous packet.
862	*/
863	typedef struct VUSBURBISOCPKT
864	{
865	/** The size of the packet.
866	* IN: The packet size. I.e. the number of bytes to the next packet or end of buffer.
867	* OUT: The actual size transfered. */
868	uint16_t cb;
869	/** The offset of the packet. (Relative to VUSBURB::abData[0].)
870	* OUT: This can be changed by the USB device if it does some kind of buffer squeezing. */
871	uint16_t off;
872	/** The status of the transfer.
873	* IN: VUSBSTATUS_INVALID
874	* OUT: VUSBSTATUS_INVALID if nothing was done, otherwise the correct status. */
875	VUSBSTATUS enmStatus;
876	} VUSBURBISOCPKT;
877	/** Pointer to a isochronous packet. */
878	typedef VUSBURBISOCPKT *PVUSBURBISOCPTK;
879	/** Pointer to a const isochronous packet. */
880	typedef const VUSBURBISOCPKT *PCVUSBURBISOCPKT;
881
882	/**
883	* Asynchronous USB request descriptor
884	*/
885	typedef struct VUSBURB
886	{
887	/** URB magic value. */
888	uint32_t u32Magic;
889	/** The USR state. */
890	VUSBURBSTATE enmState;
891	/** URB description, can be null. intended for logging. */
892	char *pszDesc;
893
894	/** The VUSB data. */
895	struct VUSBURBVUSB
896	{
897	/** URB chain pointer. */
898	PVUSBURB pNext;
899	/** URB chain pointer. */
900	PVUSBURB *ppPrev;
901	/** Pointer to the original for control messages. */
902	PVUSBURB pCtrlUrb;
903	/** Pointer to the VUSB device.
904	* This may be NULL if the destination address is invalid. */
905	struct VUSBDEV *pDev;
906	/** Sepcific to the pfnFree function. */
907	void *pvFreeCtx;
908	/**
909	* Callback which will free the URB once it's reaped and completed.
910	* @param pUrb The URB.
911	*/
912	DECLCALLBACKMEMBER(void, pfnFree)(PVUSBURB pUrb);
913	/** Submit timestamp. (logging only) */
914	uint64_t u64SubmitTS;
915	/** The allocated data length. */
916	uint32_t cbDataAllocated;
917	/** The allocated TD length. */
918	uint32_t cTdsAllocated;
919	} VUsb;
920
921	/** The host controller data. */
922	struct VUSBURBHCI
923	{
924	/** The endpoint descriptor address. */
925	RTGCPHYS32 EdAddr;
926	/** Number of Tds in the array. */
927	uint32_t cTds;
928	/** Pointer to an array of TD info items.*/
929	struct VUSBURBHCITD
930	{
931	/** Type of TD (private) */
932	uint32_t TdType;
933	/** The address of the */
934	RTGCPHYS32 TdAddr;
935	/** A copy of the TD. */
936	uint32_t TdCopy[16];
937	} *paTds;
938	/** URB chain pointer. */
939	PVUSBURB pNext;
940	/** When this URB was created.
941	* (Used for isochronous frames and for logging.) */
942	uint32_t u32FrameNo;
943	/** Flag indicating that the TDs have been unlinked. */
944	bool fUnlinked;
945	} Hci;
946
947	/** The device data. */
948	struct VUSBURBDEV
949	{
950	/** Pointer to the proxy URB. */
951	void *pvProxyUrb;
952	} Dev;
953
954	/** The USB device instance this belongs to.
955	* This is NULL if the device address is invalid, in which case this belongs to the hub. */
956	PPDMUSBINS pUsbIns;
957	/** The device address.
958	* This is set at allocation time. */
959	uint8_t DstAddress;
960
961	/** The endpoint.
962	* IN: Must be set before submitting the URB.
963	* @remark This does not have the high bit (direction) set! */
964	uint8_t EndPt;
965	/** The transfer type.
966	* IN: Must be set before submitting the URB. */
967	VUSBXFERTYPE enmType;
968	/** The transfer direction.
969	* IN: Must be set before submitting the URB. */
970	VUSBDIRECTION enmDir;
971	/** Indicates whether it is OK to receive/send less data than requested.
972	* IN: Must be initialized before submitting the URB. */
973	bool fShortNotOk;
974	/** The transfer status.
975	* OUT: This is set when reaping the URB. */
976	VUSBSTATUS enmStatus;
977
978	/** The number of isochronous packets describe in aIsocPkts.
979	* This is ignored when enmType isn't VUSBXFERTYPE_ISOC. */
980	uint32_t cIsocPkts;
981	/** The iso packets within abData.
982	* This is ignored when enmType isn't VUSBXFERTYPE_ISOC. */
983	VUSBURBISOCPKT aIsocPkts[8];
984
985	/** The message length.
986	* IN: The amount of data to send / receive - set at allocation time.
987	* OUT: The amount of data sent / received. */
988	uint32_t cbData;
989	/** The message data.
990	* IN: On host to device transfers, the data to send.
991	* OUT: On device to host transfers, the data to received. */
992	uint8_t abData[8*_1K];
993	} VUSBURB;
994
995	/** The magic value of a valid VUSBURB. (Murakami Haruki) */
996	#define VUSBURB_MAGIC 0x19490112
997
998	/** @} */
999
1000
1001	/** @} */
1002
1003	__END_DECLS
1004
1005	#endif

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source: vbox/trunk/include/VBox/vusb.h@ 8299

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