UsbKbd.cpp@ 26870

Last change on this file since 26870 was 26870, checked in by vboxsync, 15 years ago
USB Keyboard: Build fix.
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1	/** @file
2	* UsbKbd - USB Human Interface Device Emulation (Keyboard).
3	*/
4
5	/*
6	* Copyright (C) 2007-2010 Sun Microsystems, Inc.
7	*
8	* Sun Microsystems, Inc. confidential
9	* All rights reserved
10	*/
11
12	/*******************************************************************************
13	* Header Files *
14	*******************************************************************************/
15	#define LOG_GROUP LOG_GROUP_USB_MSD
16	#include <VBox/pdmusb.h>
17	#include <VBox/log.h>
18	#include <VBox/err.h>
19	#include <iprt/assert.h>
20	#include <iprt/critsect.h>
21	#include <iprt/mem.h>
22	#include <iprt/semaphore.h>
23	#include <iprt/string.h>
24	#include <iprt/uuid.h>
25	#include "../Builtins.h"
26
27
28	/*******************************************************************************
29	* Defined Constants And Macros *
30	*******************************************************************************/
31	/** @name USB HID string IDs
32	* @{ */
33	#define USBHID_STR_ID_MANUFACTURER 1
34	#define USBHID_STR_ID_PRODUCT 2
35	/** @} */
36
37	/** @name USB HID specific descriptor types
38	* @{ */
39	#define DT_IF_HID_REPORT 0x22
40	/** @} */
41
42	/** @name USB HID vendor and product IDs
43	* @{ */
44	#define VBOX_USB_VENDOR 0x80EE
45	#define USBHID_PID_KEYBOARD 0x0010
46	/** @} */
47
48	/** @name USB HID class specific requests
49	* @{ */
50	#define HID_REQ_GET_REPORT 0x01
51	#define HID_REQ_GET_IDLE 0x02
52	#define HID_REQ_SET_REPORT 0x09
53	#define HID_REQ_SET_IDLE 0x0A
54	/** @} */
55
56	/*******************************************************************************
57	* Structures and Typedefs *
58	*******************************************************************************/
59
60	/**
61	* The USB HID request state.
62	*/
63	typedef enum USBHIDREQSTATE
64	{
65	/** Invalid status. */
66	USBHIDREQSTATE_INVALID = 0,
67	/** Ready to receive a new read request. */
68	USBHIDREQSTATE_READY,
69	/** Have (more) data for the host. */
70	USBHIDREQSTATE_DATA_TO_HOST,
71	/** Waiting to supply status information to the host. */
72	USBHIDREQSTATE_STATUS,
73	/** The end of the valid states. */
74	USBHIDREQSTATE_END
75	} USBHIDREQSTATE;
76
77
78	/**
79	* Endpoint status data.
80	*/
81	typedef struct USBHIDEP
82	{
83	bool fHalted;
84	} USBHIDEP;
85	/** Pointer to the endpoint status. */
86	typedef USBHIDEP *PUSBHIDEP;
87
88
89	/**
90	* A URB queue.
91	*/
92	typedef struct USBHIDURBQUEUE
93	{
94	/** The head pointer. */
95	PVUSBURB pHead;
96	/** Where to insert the next entry. */
97	PVUSBURB *ppTail;
98	} USBHIDURBQUEUE;
99	/** Pointer to a URB queue. */
100	typedef USBHIDURBQUEUE *PUSBHIDURBQUEUE;
101	/** Pointer to a const URB queue. */
102	typedef USBHIDURBQUEUE const *PCUSBHIDURBQUEUE;
103
104
105	/**
106	* The USB HID report structure for regular keys.
107	*/
108	typedef struct USBHIDK_REPORT
109	{
110	uint8_t ShiftState; /* Modifier keys bitfield */
111	uint8_t Reserved; /* Currently unused */
112	uint8_t aKeys[6]; /* Normal keys */
113	} USBHIDK_REPORT, *PUSBHIDK_REPORT;
114
115	/* Scancode translator state. */
116	typedef enum {
117	SS_IDLE, /* Starting state. */
118	SS_EXT, /* E0 byte was received. */
119	SS_EXT1 /* E1 byte was received. */
120	} scan_state_t;
121
122	/**
123	* The USB HID instance data.
124	*/
125	typedef struct USBHID
126	{
127	/** Pointer back to the PDM USB Device instance structure. */
128	PPDMUSBINS pUsbIns;
129	/** Critical section protecting the device state. */
130	RTCRITSECT CritSect;
131
132	/** The current configuration.
133	* (0 - default, 1 - the one supported configuration, i.e configured.) */
134	uint8_t bConfigurationValue;
135	/** USB HID Idle value..
136	* (0 - only report state change, !=0 - report in bIdle * 4ms intervals.) */
137	uint8_t bIdle;
138	/** Endpoint 0 is the default control pipe, 1 is the dev->host interrupt one. */
139	USBHIDEP aEps[2];
140	/** The state of the HID (state machine).*/
141	USBHIDREQSTATE enmState;
142
143	/** State of the scancode translation. */
144	scan_state_t XlatState;
145
146	/** HID report reflecting the current keyboard state. */
147	USBHIDK_REPORT Report;
148
149	/** Pending to-host queue.
150	* The URBs waiting here are waiting for data to become available.
151	*/
152	USBHIDURBQUEUE ToHostQueue;
153
154	/** Done queue
155	* The URBs stashed here are waiting to be reaped. */
156	USBHIDURBQUEUE DoneQueue;
157	/** Signalled when adding an URB to the done queue and fHaveDoneQueueWaiter
158	* is set. */
159	RTSEMEVENT hEvtDoneQueue;
160	/** Someone is waiting on the done queue. */
161	bool fHaveDoneQueueWaiter;
162
163	/**
164	* Keyboard port - LUN#0.
165	*
166	* @implements PDMIBASE
167	* @implements PDMIKEYBOARDPORT
168	*/
169	struct
170	{
171	/** The base interface for the keyboard port. */
172	PDMIBASE IBase;
173	/** The keyboard port base interface. */
174	PDMIKEYBOARDPORT IPort;
175
176	/** The base interface of the attached keyboard driver. */
177	R3PTRTYPE(PPDMIBASE) pDrvBase;
178	/** The keyboard interface of the attached keyboard driver. */
179	R3PTRTYPE(PPDMIKEYBOARDCONNECTOR) pDrv;
180	} Lun0;
181	} USBHID;
182	/** Pointer to the USB HID instance data. */
183	typedef USBHID *PUSBHID;
184
185	/*******************************************************************************
186	* Global Variables *
187	*******************************************************************************/
188	static const PDMUSBDESCCACHESTRING g_aUsbHidStrings_en_US[] =
189	{
190	{ USBHID_STR_ID_MANUFACTURER, "VirtualBox" },
191	{ USBHID_STR_ID_PRODUCT, "USB Keyboard" },
192	};
193
194	static const PDMUSBDESCCACHELANG g_aUsbHidLanguages[] =
195	{
196	{ 0x0409, RT_ELEMENTS(g_aUsbHidStrings_en_US), g_aUsbHidStrings_en_US }
197	};
198
199	static const VUSBDESCENDPOINTEX g_aUsbHidEndpointDescs[] =
200	{
201	{
202	{
203	/* .bLength = */ sizeof(VUSBDESCENDPOINT),
204	/* .bDescriptorType = */ VUSB_DT_ENDPOINT,
205	/* .bEndpointAddress = / 0x81 / ep=1, in */,
206	/* .bmAttributes = / 3 / interrupt */,
207	/* .wMaxPacketSize = */ 8,
208	/* .bInterval = */ 10,
209	},
210	/* .pvMore = */ NULL,
211	/* .pvClass = */ NULL,
212	/* .cbClass = */ 0
213	},
214	};
215
216	/* HID report descriptor. */
217	static const uint8_t g_UsbHidReportDesc[] =
218	{
219	/* Usage Page / 0x05, 0x01, / Generic Desktop */
220	/* Usage / 0x09, 0x06, / Keyboard */
221	/* Collection / 0xA1, 0x01, / Application */
222	/* Usage Page / 0x05, 0x07, / Keyboard */
223	/* Usage Minimum / 0x19, 0xE0, / Left Ctrl Key */
224	/* Usage Maximum / 0x29, 0xE7, / Right GUI Key */
225	/* Logical Minimum / 0x15, 0x00, / 0 */
226	/* Logical Maximum / 0x25, 0x01, / 1 */
227	/* Report Count / 0x95, 0x08, / 8 */
228	/* Report Size / 0x75, 0x01, / 1 */
229	/* Input / 0x81, 0x02, / Data, Value, Absolute, Bit field */
230	/* Report Count / 0x95, 0x01, / 1 */
231	/* Report Size / 0x75, 0x08, / 8 (padding bits) */
232	/* Input / 0x81, 0x01, / Constant, Array, Absolute, Bit field */
233	/* Report Count / 0x95, 0x05, / 5 */
234	/* Report Size / 0x75, 0x01, / 1 */
235	/* Usage Page / 0x05, 0x08, / LEDs */
236	/* Usage Minimum / 0x19, 0x01, / Num Lock */
237	/* Usage Maximum / 0x29, 0x05, / Kana */
238	/* Output / 0x91, 0x02, / Data, Value, Absolute, Non-volatile,Bit field */
239	/* Report Count / 0x95, 0x01, / 1 */
240	/* Report Size / 0x75, 0x03, / 3 */
241	/* Output / 0x91, 0x01, / Constant, Value, Absolute, Non-volatile, Bit field */
242	/* Report Count / 0x95, 0x06, / 6 */
243	/* Report Size / 0x75, 0x08, / 8 */
244	/* Logical Minimum / 0x15, 0x00, / 0 */
245	/* Logical Maximum / 0x26, 0xFF,0x00,/ 255 */
246	/* Usage Page / 0x05, 0x07, / Keyboard */
247	/* Usage Minimum / 0x19, 0x00, / 0 */
248	/* Usage Maximum / 0x29, 0xFF,0x00,/ 255 */
249	/* Input / 0x81, 0x00, / Data, Array, Absolute, Bit field */
250	/* End Collection */ 0xC0,
251	};
252
253	/* Additional HID class interface descriptor. */
254	static const uint8_t g_UsbHidIfHidDesc[] =
255	{
256	/* .bLength = */ 0x09,
257	/* .bDescriptorType = / 0x21, / HID */
258	/* .bcdHID = / 0x10, 0x01, / 1.1 */
259	/* .bCountryCode = / 0x0D, / International (ISO) */
260	/* .bNumDescriptors = */ 1,
261	/* .bDescriptorType = / 0x22, / Report */
262	/* .wDescriptorLength = */ sizeof(g_UsbHidReportDesc), 0x00
263	};
264
265	static const VUSBDESCINTERFACEEX g_UsbHidInterfaceDesc =
266	{
267	{
268	/* .bLength = */ sizeof(VUSBDESCINTERFACE),
269	/* .bDescriptorType = */ VUSB_DT_INTERFACE,
270	/* .bInterfaceNumber = */ 0,
271	/* .bAlternateSetting = */ 0,
272	/* .bNumEndpoints = */ 1,
273	/* .bInterfaceClass = / 3 / HID */,
274	/* .bInterfaceSubClass = / 1 / Boot Interface */,
275	/* .bInterfaceProtocol = / 1 / Keyboard */,
276	/* .iInterface = */ 0
277	},
278	/* .pvMore = */ NULL,
279	/* .pvClass = */ &g_UsbHidIfHidDesc,
280	/* .cbClass = */ sizeof(g_UsbHidIfHidDesc),
281	&g_aUsbHidEndpointDescs[0]
282	};
283
284	static const VUSBINTERFACE g_aUsbHidInterfaces[] =
285	{
286	{ &g_UsbHidInterfaceDesc, /* .cSettings = */ 1 },
287	};
288
289	static const VUSBDESCCONFIGEX g_UsbHidConfigDesc =
290	{
291	{
292	/* .bLength = */ sizeof(VUSBDESCCONFIG),
293	/* .bDescriptorType = */ VUSB_DT_CONFIG,
294	/* .wTotalLength = / 0 / recalculated on read */,
295	/* .bNumInterfaces = */ RT_ELEMENTS(g_aUsbHidInterfaces),
296	/* .bConfigurationValue =*/ 1,
297	/* .iConfiguration = */ 0,
298	/* .bmAttributes = */ RT_BIT(7),
299	/* .MaxPower = / 50 / 100mA */
300	},
301	NULL,
302	&g_aUsbHidInterfaces[0]
303	};
304
305	static const VUSBDESCDEVICE g_UsbHidDeviceDesc =
306	{
307	/* .bLength = */ sizeof(g_UsbHidDeviceDesc),
308	/* .bDescriptorType = */ VUSB_DT_DEVICE,
309	/* .bcdUsb = / 0x110, / 1.1 */
310	/* .bDeviceClass = / 0 / Class specified in the interface desc. */,
311	/* .bDeviceSubClass = / 0 / Subclass specified in the interface desc. */,
312	/* .bDeviceProtocol = / 0 / Protocol specified in the interface desc. */,
313	/* .bMaxPacketSize0 = */ 8,
314	/* .idVendor = */ VBOX_USB_VENDOR,
315	/* .idProduct = */ USBHID_PID_KEYBOARD,
316	/* .bcdDevice = / 0x0100, / 1.0 */
317	/* .iManufacturer = */ USBHID_STR_ID_MANUFACTURER,
318	/* .iProduct = */ USBHID_STR_ID_PRODUCT,
319	/* .iSerialNumber = */ 0,
320	/* .bNumConfigurations = */ 1
321	};
322
323	static const PDMUSBDESCCACHE g_UsbHidDescCache =
324	{
325	/* .pDevice = */ &g_UsbHidDeviceDesc,
326	/* .paConfigs = */ &g_UsbHidConfigDesc,
327	/* .paLanguages = */ g_aUsbHidLanguages,
328	/* .cLanguages = */ RT_ELEMENTS(g_aUsbHidLanguages),
329	/* .fUseCachedDescriptors = */ true,
330	/* .fUseCachedStringsDescriptors = */ true
331	};
332
333
334	/*
335	* Because of historical reasons and poor design, VirtualBox internally uses BIOS
336	* PC/XT style scan codes to represent keyboard events. Each key press and release is
337	* represented as a stream of bytes, typically only one byte but up to four-byte
338	* sequences are possible. In the typical case, the GUI front end generates the stream
339	* of scan codes which we need to translate back to a single up/down event.
340	*
341	* This function could possibly live somewhere else.
342	*/
343
344	/* Lookup table for converting PC/XT scan codes to USB HID usage codes. */
345	static uint8_t aScancode2Hid[] =
346	{
347	0x00, 0x29, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23,
348	0x24, 0x25, 0x26, 0x27, 0x2d, 0x2e, 0x2a, 0x2b,
349	0x14, 0x1a, 0x08, 0x15, 0x17, 0x1c, 0x18, 0x0c,
350	0x12, 0x13, 0x2f, 0x30, 0x28, 0xe0, 0x04, 0x16,
351	0x07, 0x09, 0x0a, 0x0b, 0x0d, 0x0e, 0x0f, 0x33,
352	0x34, 0x35, 0xe1, 0x31, 0x1d, 0x1b, 0x06, 0x19,
353	0x05, 0x11, 0x10, 0x36, 0x37, 0x38, 0xe5, 0x55,
354	0xe2, 0x2c, 0x32, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e,
355	0x3f, 0x40, 0x41, 0x42, 0x43, 0x53, 0x47, 0x5f,
356	0x60, 0x61, 0x56, 0x5c, 0x5d, 0x5e, 0x57, 0x59,
357	0x5a, 0x5b, 0x62, 0x63, 0x00, 0x00, 0x00, 0x44,
358	0x45, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e,
359	0xe8, 0xe9, 0x71, 0x72, 0x73, 0x00, 0x00, 0x00,
360	0x00, 0x00, 0x00, 0x85, 0x00, 0x00, 0x00, 0x00,
361	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
362	0x00, 0x00, 0x00, 0x00, 0x00, 0xe3, 0xe7, 0x65
363	};
364
365	/* Lookup table for extended scancodes (arrow keys etc.). */
366	static uint8_t aExtScan2Hid[] =
367	{
368	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
369	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
370	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
371	0x00, 0x00, 0x00, 0x00, 0x58, 0xe4, 0x00, 0x00,
372	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
373	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
374	0x00, 0x00, 0x00, 0x00, 0x00, 0x54, 0x00, 0x46,
375	0xe6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
376	0x00, 0x00, 0x00, 0x00, 0x00, 0x48, 0x00, 0x4a,
377	0x52, 0x4b, 0x00, 0x50, 0x00, 0x4f, 0x00, 0x4d,
378	0x51, 0x4e, 0x49, 0x4c, 0x00, 0x00, 0x00, 0x00,
379	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
380	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
381	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
382	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
383	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
384	};
385
386	/**
387	* Convert a PC scan code to a USB HID usage byte.
388	*
389	* @param state Current state of the translator (scan_state_t).
390	* @param scanCode Incoming scan code.
391	* @param pUsage Pointer to usage; high bit set for key up events. The
392	* contents are only valid if returned state is SS_IDLE.
393	*
394	* @return scan_state_t New state of the translator.
395	*/
396	static scan_state_t ScancodeToHidUsage(scan_state_t state, uint8_t scanCode, uint32_t *pUsage)
397	{
398	uint32_t keyUp;
399	uint8_t usage;
400
401	Assert(pUsage);
402
403	/* Isolate the scan code and key break flag. */
404	keyUp = (scanCode & 0x80) << 24;
405
406	switch (state) {
407	case SS_IDLE:
408	if (scanCode == 0xE0) {
409	state = SS_EXT;
410	} else if (scanCode == 0xE1) {
411	state = SS_EXT1;
412	} else {
413	usage = aScancode2Hid[scanCode & 0x7F];
414	*pUsage = usage \| keyUp;
415	}
416	break;
417	case SS_EXT:
418	usage = aExtScan2Hid[scanCode & 0x7F];
419	*pUsage = usage \| keyUp;
420	state = SS_IDLE;
421	break;
422	}
423	return state;
424	}
425
426	/*******************************************************************************
427	* Internal Functions *
428	*******************************************************************************/
429
430	/**
431	* Initializes an URB queue.
432	*
433	* @param pQueue The URB queue.
434	*/
435	static void usbHidQueueInit(PUSBHIDURBQUEUE pQueue)
436	{
437	pQueue->pHead = NULL;
438	pQueue->ppTail = &pQueue->pHead;
439	}
440
441
442
443	/**
444	* Inserts an URB at the end of the queue.
445	*
446	* @param pQueue The URB queue.
447	* @param pUrb The URB to insert.
448	*/
449	DECLINLINE(void) usbHidQueueAddTail(PUSBHIDURBQUEUE pQueue, PVUSBURB pUrb)
450	{
451	pUrb->Dev.pNext = NULL;
452	*pQueue->ppTail = pUrb;
453	pQueue->ppTail = &pUrb->Dev.pNext;
454	}
455
456
457	/**
458	* Unlinks the head of the queue and returns it.
459	*
460	* @returns The head entry.
461	* @param pQueue The URB queue.
462	*/
463	DECLINLINE(PVUSBURB) usbHidQueueRemoveHead(PUSBHIDURBQUEUE pQueue)
464	{
465	PVUSBURB pUrb = pQueue->pHead;
466	if (pUrb)
467	{
468	PVUSBURB pNext = pUrb->Dev.pNext;
469	pQueue->pHead = pNext;
470	if (!pNext)
471	pQueue->ppTail = &pQueue->pHead;
472	else
473	pUrb->Dev.pNext = NULL;
474	}
475	return pUrb;
476	}
477
478
479	/**
480	* Removes an URB from anywhere in the queue.
481	*
482	* @returns true if found, false if not.
483	* @param pQueue The URB queue.
484	* @param pUrb The URB to remove.
485	*/
486	DECLINLINE(bool) usbHidQueueRemove(PUSBHIDURBQUEUE pQueue, PVUSBURB pUrb)
487	{
488	PVUSBURB pCur = pQueue->pHead;
489	if (pCur == pUrb)
490	pQueue->pHead = pUrb->Dev.pNext;
491	else
492	{
493	while (pCur)
494	{
495	if (pCur->Dev.pNext == pUrb)
496	{
497	pCur->Dev.pNext = pUrb->Dev.pNext;
498	break;
499	}
500	pCur = pCur->Dev.pNext;
501	}
502	if (!pCur)
503	return false;
504	}
505	if (!pUrb->Dev.pNext)
506	pQueue->ppTail = &pQueue->pHead;
507	return true;
508	}
509
510
511	/**
512	* Checks if the queue is empty or not.
513	*
514	* @returns true if it is, false if it isn't.
515	* @param pQueue The URB queue.
516	*/
517	DECLINLINE(bool) usbHidQueueIsEmpty(PCUSBHIDURBQUEUE pQueue)
518	{
519	return pQueue->pHead == NULL;
520	}
521
522
523	/**
524	* Links an URB into the done queue.
525	*
526	* @param pThis The HID instance.
527	* @param pUrb The URB.
528	*/
529	static void usbHidLinkDone(PUSBHID pThis, PVUSBURB pUrb)
530	{
531	usbHidQueueAddTail(&pThis->DoneQueue, pUrb);
532
533	if (pThis->fHaveDoneQueueWaiter)
534	{
535	int rc = RTSemEventSignal(pThis->hEvtDoneQueue);
536	AssertRC(rc);
537	}
538	}
539
540
541
542	/**
543	* Completes the URB with a stalled state, halting the pipe.
544	*/
545	static int usbHidCompleteStall(PUSBHID pThis, PUSBHIDEP pEp, PVUSBURB pUrb, const char *pszWhy)
546	{
547	Log(("usbHidCompleteStall/#%u: pUrb=%p:%s: %s\n", pThis->pUsbIns->iInstance, pUrb, pUrb->pszDesc, pszWhy));
548
549	pUrb->enmStatus = VUSBSTATUS_STALL;
550
551	/** @todo figure out if the stall is global or pipe-specific or both. */
552	if (pEp)
553	pEp->fHalted = true;
554	else
555	{
556	pThis->aEps[1].fHalted = true;
557	pThis->aEps[2].fHalted = true;
558	}
559
560	usbHidLinkDone(pThis, pUrb);
561	return VINF_SUCCESS;
562	}
563
564
565	/**
566	* Completes the URB with a OK state.
567	*/
568	static int usbHidCompleteOk(PUSBHID pThis, PVUSBURB pUrb, size_t cbData)
569	{
570	Log(("usbHidCompleteOk/#%u: pUrb=%p:%s cbData=%#zx\n", pThis->pUsbIns->iInstance, pUrb, pUrb->pszDesc, cbData));
571
572	pUrb->enmStatus = VUSBSTATUS_OK;
573	pUrb->cbData = cbData;
574
575	usbHidLinkDone(pThis, pUrb);
576	return VINF_SUCCESS;
577	}
578
579
580	/**
581	* Reset worker for usbHidUsbReset, usbHidUsbSetConfiguration and
582	* usbHidUrbHandleDefaultPipe.
583	*
584	* @returns VBox status code.
585	* @param pThis The HID instance.
586	* @param pUrb Set when usbHidUrbHandleDefaultPipe is the
587	* caller.
588	* @param fSetConfig Set when usbHidUsbSetConfiguration is the
589	* caller.
590	*/
591	static int usbHidResetWorker(PUSBHID pThis, PVUSBURB pUrb, bool fSetConfig)
592	{
593	/*
594	* Reset the device state.
595	*/
596	pThis->enmState = USBHIDREQSTATE_READY;
597	pThis->bIdle = 0;
598	memset(&pThis->Report, 0, sizeof(pThis->Report));
599
600	for (unsigned i = 0; i < RT_ELEMENTS(pThis->aEps); i++)
601	pThis->aEps[i].fHalted = false;
602
603	if (!pUrb && !fSetConfig) /* (only device reset) */
604	pThis->bConfigurationValue = 0; /* default */
605
606	/*
607	* Ditch all pending URBs.
608	*/
609	PVUSBURB pCurUrb;
610	while ((pCurUrb = usbHidQueueRemoveHead(&pThis->ToHostQueue)) != NULL)
611	{
612	pCurUrb->enmStatus = VUSBSTATUS_CRC;
613	usbHidLinkDone(pThis, pCurUrb);
614	}
615
616	if (pUrb)
617	return usbHidCompleteOk(pThis, pUrb, 0);
618	return VINF_SUCCESS;
619	}
620
621
622	/**
623	* Sends a state report to the host if there is a pending URB.
624	*/
625	static int usbHidSendReport(PUSBHID pThis)
626	{
627	PVUSBURB pUrb = usbHidQueueRemoveHead(&pThis->ToHostQueue);
628	if (pUrb)
629	{
630	PUSBHIDK_REPORT pReport = &pThis->Report;
631	size_t cbCopy;
632
633	cbCopy = sizeof(*pReport);
634	memcpy(&pUrb->abData[0], pReport, cbCopy);
635	// LogRel(("Sent report: %x : %x %x, size %d\n", pReport->ShiftState, pReport->aKeys[0], pReport->aKeys[1], cbCopy));
636	return usbHidCompleteOk(pThis, pUrb, cbCopy);
637	}
638	return VINF_EOF;
639	}
640
641	/**
642	* @interface_method_impl{PDMIBASE,pfnQueryInterface}
643	*/
644	static DECLCALLBACK(void ) usbHidKeyboardQueryInterface(PPDMIBASE pInterface, const char pszIID)
645	{
646	PUSBHID pThis = RT_FROM_MEMBER(pInterface, USBHID, Lun0.IBase);
647	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pThis->Lun0.IBase);
648	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIKEYBOARDPORT, &pThis->Lun0.IPort);
649	return NULL;
650	}
651
652	/**
653	* Keyboard event handler.
654	*
655	* @returns VBox status code.
656	* @param pInterface Pointer to the keyboard port interface (KBDState::Keyboard.IPort).
657	* @param u8KeyCode The keycode.
658	*/
659	static DECLCALLBACK(int) usbHidKeyboardPutEvent(PPDMIKEYBOARDPORT pInterface, uint8_t u8KeyCode)
660	{
661	PUSBHID pThis = RT_FROM_MEMBER(pInterface, USBHID, Lun0.IPort);
662	PUSBHIDK_REPORT pReport = &pThis->Report;
663	uint32_t u32Usage;
664	uint8_t u8HidCode;
665	int fKeyDown;
666	unsigned i;
667
668	// int rc = PDMCritSectEnter(&pThis->CritSect, VERR_SEM_BUSY);
669	// AssertReleaseRC(rc);
670
671	pThis->XlatState = ScancodeToHidUsage(pThis->XlatState, u8KeyCode, &u32Usage);
672
673	if (pThis->XlatState == SS_IDLE)
674	{
675	/* The usage code is valid. */
676	fKeyDown = !(u32Usage & 0x80000000);
677	u8HidCode = u32Usage & 0xFF;
678
679	if (fKeyDown)
680	{
681	for (i = 0; i < RT_ELEMENTS(pReport->aKeys); ++i)
682	{
683	if (pReport->aKeys[i] == u8HidCode)
684	break; /* Skip repeat events. */
685	if (pReport->aKeys[i] == 0)
686	{
687	pReport->aKeys[i] = u8HidCode; /* Report key down. */
688	break;
689	}
690	}
691	if (i == RT_ELEMENTS(pReport->aKeys))
692	{
693	/* We ran out of room. Report error. */
694	// @todo!!
695	}
696	}
697	else
698	{
699	for (i = 0; i < RT_ELEMENTS(pReport->aKeys); ++i)
700	{
701	if (pReport->aKeys[i] == u8HidCode)
702	{
703	pReport->aKeys[i] = 0;
704	break; /* Remove key down. */
705	}
706	}
707	if (i == RT_ELEMENTS(pReport->aKeys))
708	{
709	// AssertMsgFailed(("Key is up but was never down!?"));
710	}
711	}
712
713	/* Send a report if the host is already waiting for it. */
714	usbHidSendReport(pThis);
715	}
716
717	// PDMCritSectLeave(&pThis->CritSect);
718	return VINF_SUCCESS;
719	}
720
721	/**
722	* @copydoc PDMUSBREG::pfnUrbReap
723	*/
724	static DECLCALLBACK(PVUSBURB) usbHidUrbReap(PPDMUSBINS pUsbIns, RTMSINTERVAL cMillies)
725	{
726	PUSBHID pThis = PDMINS_2_DATA(pUsbIns, PUSBHID);
727	LogFlow(("usbHidUrbReap/#%u: cMillies=%u\n", pUsbIns->iInstance, cMillies));
728
729	RTCritSectEnter(&pThis->CritSect);
730
731	PVUSBURB pUrb = usbHidQueueRemoveHead(&pThis->DoneQueue);
732	if (!pUrb && cMillies)
733	{
734	/* Wait */
735	pThis->fHaveDoneQueueWaiter = true;
736	RTCritSectLeave(&pThis->CritSect);
737
738	RTSemEventWait(pThis->hEvtDoneQueue, cMillies);
739
740	RTCritSectEnter(&pThis->CritSect);
741	pThis->fHaveDoneQueueWaiter = false;
742
743	pUrb = usbHidQueueRemoveHead(&pThis->DoneQueue);
744	}
745
746	RTCritSectLeave(&pThis->CritSect);
747
748	if (pUrb)
749	Log(("usbHidUrbReap/#%u: pUrb=%p:%s\n", pUsbIns->iInstance, pUrb, pUrb->pszDesc));
750	return pUrb;
751	}
752
753
754	/**
755	* @copydoc PDMUSBREG::pfnUrbCancel
756	*/
757	static DECLCALLBACK(int) usbHidUrbCancel(PPDMUSBINS pUsbIns, PVUSBURB pUrb)
758	{
759	PUSBHID pThis = PDMINS_2_DATA(pUsbIns, PUSBHID);
760	LogFlow(("usbHidUrbCancel/#%u: pUrb=%p:%s\n", pUsbIns->iInstance, pUrb, pUrb->pszDesc));
761	RTCritSectEnter(&pThis->CritSect);
762
763	/*
764	* Remove the URB from the to-host queue and move it onto the done queue.
765	*/
766	if (usbHidQueueRemove(&pThis->ToHostQueue, pUrb))
767	usbHidLinkDone(pThis, pUrb);
768
769	RTCritSectLeave(&pThis->CritSect);
770	return VINF_SUCCESS;
771	}
772
773
774	/**
775	* Handles request sent to the inbound (device to host) interrupt pipe. This is
776	* rather different from bulk requests because an interrupt read URB may complete
777	* after arbitrarily long time.
778	*/
779	static int usbHidHandleIntrDevToHost(PUSBHID pThis, PUSBHIDEP pEp, PVUSBURB pUrb)
780	{
781	/*
782	* Stall the request if the pipe is halted.
783	*/
784	if (RT_UNLIKELY(pEp->fHalted))
785	return usbHidCompleteStall(pThis, NULL, pUrb, "Halted pipe");
786
787	/*
788	* Deal with the URB according to the state.
789	*/
790	switch (pThis->enmState)
791	{
792	/*
793	* We've data left to transfer to the host.
794	*/
795	case USBHIDREQSTATE_DATA_TO_HOST:
796	{
797	AssertFailed();
798	Log(("usbHidHandleIntrDevToHost: Entering STATUS\n"));
799	return usbHidCompleteOk(pThis, pUrb, 0);
800	}
801
802	/*
803	* Status transfer.
804	*/
805	case USBHIDREQSTATE_STATUS:
806	{
807	AssertFailed();
808	Log(("usbHidHandleIntrDevToHost: Entering READY\n"));
809	pThis->enmState = USBHIDREQSTATE_READY;
810	return usbHidCompleteOk(pThis, pUrb, 0);
811	}
812
813	case USBHIDREQSTATE_READY:
814	usbHidQueueAddTail(&pThis->ToHostQueue, pUrb);
815	/* If device was not set idle, sent the current report right away. */
816	if (pThis->bIdle != 0)
817	usbHidSendReport(pThis);
818	LogFlow(("usbHidHandleIntrDevToHost: Sent report via %p:%s\n", pUrb, pUrb->pszDesc));
819	return VINF_SUCCESS;
820
821	/*
822	* Bad states, stall.
823	*/
824	default:
825	Log(("usbHidHandleIntrDevToHost: enmState=%d cbData=%#x\n", pThis->enmState, pUrb->cbData));
826	return usbHidCompleteStall(pThis, NULL, pUrb, "Really bad state (D2H)!");
827	}
828	}
829
830
831	/**
832	* Handles request sent to the default control pipe.
833	*/
834	static int usbHidHandleDefaultPipe(PUSBHID pThis, PUSBHIDEP pEp, PVUSBURB pUrb)
835	{
836	PVUSBSETUP pSetup = (PVUSBSETUP)&pUrb->abData[0];
837	AssertReturn(pUrb->cbData >= sizeof(*pSetup), VERR_VUSB_FAILED_TO_QUEUE_URB);
838
839	if ((pSetup->bmRequestType & VUSB_REQ_MASK) == VUSB_REQ_STANDARD)
840	{
841	switch (pSetup->bRequest)
842	{
843	case VUSB_REQ_GET_DESCRIPTOR:
844	{
845	switch (pSetup->bmRequestType)
846	{
847	case VUSB_TO_DEVICE \| VUSB_REQ_STANDARD \| VUSB_DIR_TO_HOST:
848	{
849	switch (pSetup->wValue >> 8)
850	{
851	case VUSB_DT_STRING:
852	Log(("usbHid: GET_DESCRIPTOR DT_STRING wValue=%#x wIndex=%#x\n", pSetup->wValue, pSetup->wIndex));
853	break;
854	default:
855	Log(("usbHid: GET_DESCRIPTOR, huh? wValue=%#x wIndex=%#x\n", pSetup->wValue, pSetup->wIndex));
856	break;
857	}
858	break;
859	}
860
861	case VUSB_TO_INTERFACE \| VUSB_REQ_STANDARD \| VUSB_DIR_TO_HOST:
862	{
863	switch (pSetup->wValue >> 8)
864	{
865	case DT_IF_HID_REPORT:
866	uint32_t cbCopy;
867
868	/* Returned data is written after the setup message. */
869	cbCopy = pUrb->cbData - sizeof(*pSetup);
870	cbCopy = RT_MIN(cbCopy, sizeof(g_UsbHidReportDesc));
871	Log(("usbHid: GET_DESCRIPTOR DT_IF_HID_REPORT wValue=%#x wIndex=%#x cbCopy=%#x\n", pSetup->wValue, pSetup->wIndex, cbCopy));
872	memcpy(&pUrb->abData[sizeof(*pSetup)], &g_UsbHidReportDesc, cbCopy);
873	return usbHidCompleteOk(pThis, pUrb, cbCopy + sizeof(*pSetup));
874	default:
875	Log(("usbHid: GET_DESCRIPTOR, huh? wValue=%#x wIndex=%#x\n", pSetup->wValue, pSetup->wIndex));
876	break;
877	}
878	break;
879	}
880
881	default:
882	Log(("usbHid: Bad GET_DESCRIPTOR req: bmRequestType=%#x\n", pSetup->bmRequestType));
883	return usbHidCompleteStall(pThis, pEp, pUrb, "Bad GET_DESCRIPTOR");
884	}
885	break;
886	}
887
888	case VUSB_REQ_CLEAR_FEATURE:
889	break;
890	}
891
892	/** @todo implement this. */
893	Log(("usbHid: Implement standard request: bmRequestType=%#x bRequest=%#x wValue=%#x wIndex=%#x wLength=%#x\n",
894	pSetup->bmRequestType, pSetup->bRequest, pSetup->wValue, pSetup->wIndex, pSetup->wLength));
895
896	usbHidCompleteStall(pThis, pEp, pUrb, "TODO: standard request stuff");
897	}
898	else if ((pSetup->bmRequestType & VUSB_REQ_MASK) == VUSB_REQ_CLASS)
899	{
900	switch (pSetup->bRequest)
901	{
902	case HID_REQ_SET_IDLE:
903	{
904	switch (pSetup->bmRequestType)
905	{
906	case VUSB_TO_INTERFACE \| VUSB_REQ_CLASS \| VUSB_DIR_TO_DEVICE:
907	{
908	Log(("usbHid: SET_IDLE wValue=%#x wIndex=%#x\n", pSetup->wValue, pSetup->wIndex));
909	pThis->bIdle = pSetup->wValue >> 8;
910	/* Consider 24ms to mean zero for keyboards (see IOUSBHIDDriver) */
911	if (pThis->bIdle == 6) pThis->bIdle = 0;
912	return usbHidCompleteOk(pThis, pUrb, 0);
913	}
914	break;
915	}
916	break;
917	}
918	case HID_REQ_GET_IDLE:
919	{
920	switch (pSetup->bmRequestType)
921	{
922	case VUSB_TO_INTERFACE \| VUSB_REQ_CLASS \| VUSB_DIR_TO_HOST:
923	{
924	Log(("usbHid: GET_IDLE wValue=%#x wIndex=%#x, returning %#x\n", pSetup->wValue, pSetup->wIndex, pThis->bIdle));
925	pUrb->abData[sizeof(*pSetup)] = pThis->bIdle;
926	return usbHidCompleteOk(pThis, pUrb, 1);
927	}
928	break;
929	}
930	break;
931	}
932	}
933	Log(("usbHid: Unimplemented class request: bmRequestType=%#x bRequest=%#x wValue=%#x wIndex=%#x wLength=%#x\n",
934	pSetup->bmRequestType, pSetup->bRequest, pSetup->wValue, pSetup->wIndex, pSetup->wLength));
935
936	usbHidCompleteStall(pThis, pEp, pUrb, "TODO: class request stuff");
937	}
938	else
939	{
940	Log(("usbHid: Unknown control msg: bmRequestType=%#x bRequest=%#x wValue=%#x wIndex=%#x wLength=%#x\n",
941	pSetup->bmRequestType, pSetup->bRequest, pSetup->wValue, pSetup->wIndex, pSetup->wLength));
942	return usbHidCompleteStall(pThis, pEp, pUrb, "Unknown control msg");
943	}
944
945	return VINF_SUCCESS;
946	}
947
948
949	/**
950	* @copydoc PDMUSBREG::pfnQueue
951	*/
952	static DECLCALLBACK(int) usbHidQueue(PPDMUSBINS pUsbIns, PVUSBURB pUrb)
953	{
954	PUSBHID pThis = PDMINS_2_DATA(pUsbIns, PUSBHID);
955	LogFlow(("usbHidQueue/#%u: pUrb=%p:%s EndPt=%#x\n", pUsbIns->iInstance, pUrb, pUrb->pszDesc, pUrb->EndPt));
956	RTCritSectEnter(&pThis->CritSect);
957
958	/*
959	* Parse on a per end-point basis.
960	*/
961	int rc;
962	switch (pUrb->EndPt)
963	{
964	case 0:
965	rc = usbHidHandleDefaultPipe(pThis, &pThis->aEps[0], pUrb);
966	break;
967
968	case 0x81:
969	AssertFailed();
970	case 0x01:
971	rc = usbHidHandleIntrDevToHost(pThis, &pThis->aEps[1], pUrb);
972	break;
973
974	default:
975	AssertMsgFailed(("EndPt=%d\n", pUrb->EndPt));
976	rc = VERR_VUSB_FAILED_TO_QUEUE_URB;
977	break;
978	}
979
980	RTCritSectLeave(&pThis->CritSect);
981	return rc;
982	}
983
984
985	/**
986	* @copydoc PDMUSBREG::pfnUsbClearHaltedEndpoint
987	*/
988	static DECLCALLBACK(int) usbHidUsbClearHaltedEndpoint(PPDMUSBINS pUsbIns, unsigned uEndpoint)
989	{
990	PUSBHID pThis = PDMINS_2_DATA(pUsbIns, PUSBHID);
991	LogFlow(("usbHidUsbClearHaltedEndpoint/#%u: uEndpoint=%#x\n", pUsbIns->iInstance, uEndpoint));
992
993	if ((uEndpoint & ~0x80) < RT_ELEMENTS(pThis->aEps))
994	{
995	RTCritSectEnter(&pThis->CritSect);
996	pThis->aEps[(uEndpoint & ~0x80)].fHalted = false;
997	RTCritSectLeave(&pThis->CritSect);
998	}
999
1000	return VINF_SUCCESS;
1001	}
1002
1003
1004	/**
1005	* @copydoc PDMUSBREG::pfnUsbSetInterface
1006	*/
1007	static DECLCALLBACK(int) usbHidUsbSetInterface(PPDMUSBINS pUsbIns, uint8_t bInterfaceNumber, uint8_t bAlternateSetting)
1008	{
1009	LogFlow(("usbHidUsbSetInterface/#%u: bInterfaceNumber=%u bAlternateSetting=%u\n", pUsbIns->iInstance, bInterfaceNumber, bAlternateSetting));
1010	Assert(bAlternateSetting == 0);
1011	return VINF_SUCCESS;
1012	}
1013
1014
1015	/**
1016	* @copydoc PDMUSBREG::pfnUsbSetConfiguration
1017	*/
1018	static DECLCALLBACK(int) usbHidUsbSetConfiguration(PPDMUSBINS pUsbIns, uint8_t bConfigurationValue,
1019	const void pvOldCfgDesc, const void pvOldIfState, const void *pvNewCfgDesc)
1020	{
1021	PUSBHID pThis = PDMINS_2_DATA(pUsbIns, PUSBHID);
1022	LogFlow(("usbHidUsbSetConfiguration/#%u: bConfigurationValue=%u\n", pUsbIns->iInstance, bConfigurationValue));
1023	Assert(bConfigurationValue == 1);
1024	RTCritSectEnter(&pThis->CritSect);
1025
1026	/*
1027	* If the same config is applied more than once, it's a kind of reset.
1028	*/
1029	if (pThis->bConfigurationValue == bConfigurationValue)
1030	usbHidResetWorker(pThis, NULL, true /fSetConfig/); /** @todo figure out the exact difference */
1031	pThis->bConfigurationValue = bConfigurationValue;
1032
1033	RTCritSectLeave(&pThis->CritSect);
1034	return VINF_SUCCESS;
1035	}
1036
1037
1038	/**
1039	* @copydoc PDMUSBREG::pfnUsbGetDescriptorCache
1040	*/
1041	static DECLCALLBACK(PCPDMUSBDESCCACHE) usbHidUsbGetDescriptorCache(PPDMUSBINS pUsbIns)
1042	{
1043	PUSBHID pThis = PDMINS_2_DATA(pUsbIns, PUSBHID);
1044	LogFlow(("usbHidUsbGetDescriptorCache/#%u:\n", pUsbIns->iInstance));
1045	return &g_UsbHidDescCache;
1046	}
1047
1048
1049	/**
1050	* @copydoc PDMUSBREG::pfnUsbReset
1051	*/
1052	static DECLCALLBACK(int) usbHidUsbReset(PPDMUSBINS pUsbIns, bool fResetOnLinux)
1053	{
1054	PUSBHID pThis = PDMINS_2_DATA(pUsbIns, PUSBHID);
1055	LogFlow(("usbHidUsbReset/#%u:\n", pUsbIns->iInstance));
1056	RTCritSectEnter(&pThis->CritSect);
1057
1058	int rc = usbHidResetWorker(pThis, NULL, false /fSetConfig/);
1059
1060	RTCritSectLeave(&pThis->CritSect);
1061	return rc;
1062	}
1063
1064
1065	/**
1066	* @copydoc PDMUSBREG::pfnDestruct
1067	*/
1068	static void usbHidDestruct(PPDMUSBINS pUsbIns)
1069	{
1070	PUSBHID pThis = PDMINS_2_DATA(pUsbIns, PUSBHID);
1071	LogFlow(("usbHidDestruct/#%u:\n", pUsbIns->iInstance));
1072
1073	if (RTCritSectIsInitialized(&pThis->CritSect))
1074	{
1075	RTCritSectEnter(&pThis->CritSect);
1076	RTCritSectLeave(&pThis->CritSect);
1077	RTCritSectDelete(&pThis->CritSect);
1078	}
1079
1080	if (pThis->hEvtDoneQueue != NIL_RTSEMEVENT)
1081	{
1082	RTSemEventDestroy(pThis->hEvtDoneQueue);
1083	pThis->hEvtDoneQueue = NIL_RTSEMEVENT;
1084	}
1085	}
1086
1087
1088	/**
1089	* @copydoc PDMUSBREG::pfnConstruct
1090	*/
1091	static DECLCALLBACK(int) usbHidConstruct(PPDMUSBINS pUsbIns, int iInstance, PCFGMNODE pCfg, PCFGMNODE pCfgGlobal)
1092	{
1093	PUSBHID pThis = PDMINS_2_DATA(pUsbIns, PUSBHID);
1094	Log(("usbHidConstruct/#%u:\n", iInstance));
1095
1096	/*
1097	* Perform the basic structure initialization first so the destructor
1098	* will not misbehave.
1099	*/
1100	pThis->pUsbIns = pUsbIns;
1101	pThis->hEvtDoneQueue = NIL_RTSEMEVENT;
1102	pThis->XlatState = SS_IDLE;
1103	usbHidQueueInit(&pThis->ToHostQueue);
1104	usbHidQueueInit(&pThis->DoneQueue);
1105
1106	int rc = RTCritSectInit(&pThis->CritSect);
1107	AssertRCReturn(rc, rc);
1108
1109	rc = RTSemEventCreate(&pThis->hEvtDoneQueue);
1110	AssertRCReturn(rc, rc);
1111
1112	/*
1113	* Validate and read the configuration.
1114	*/
1115	rc = CFGMR3ValidateConfig(pCfg, "/", "", "", "UsbHid", iInstance);
1116	if (RT_FAILURE(rc))
1117	return rc;
1118
1119	pThis->Lun0.IBase.pfnQueryInterface = usbHidKeyboardQueryInterface;
1120	pThis->Lun0.IPort.pfnPutEvent = usbHidKeyboardPutEvent;
1121
1122	/*
1123	* Attach the keyboard driver.
1124	*/
1125	rc = pUsbIns->pHlpR3->pfnDriverAttach(pUsbIns, 0 /iLun/, &pThis->Lun0.IBase, &pThis->Lun0.pDrvBase, "Keyboard Port");
1126	if (RT_FAILURE(rc))
1127	return PDMUsbHlpVMSetError(pUsbIns, rc, RT_SRC_POS, N_("HID failed to attach keyboard driver"));
1128
1129	return VINF_SUCCESS;
1130	}
1131
1132
1133	/**
1134	* The USB Human Interface Device (HID) Keyboard registration record.
1135	*/
1136	const PDMUSBREG g_UsbHidKbd =
1137	{
1138	/* u32Version */
1139	PDM_USBREG_VERSION,
1140	/* szName */
1141	"HidKeyboard",
1142	/* pszDescription */
1143	"USB HID Keyboard.",
1144	/* fFlags */
1145	0,
1146	/* cMaxInstances */
1147	~0,
1148	/* cbInstance */
1149	sizeof(USBHID),
1150	/* pfnConstruct */
1151	usbHidConstruct,
1152	/* pfnDestruct */
1153	usbHidDestruct,
1154	/* pfnVMInitComplete */
1155	NULL,
1156	/* pfnVMPowerOn */
1157	NULL,
1158	/* pfnVMReset */
1159	NULL,
1160	/* pfnVMSuspend */
1161	NULL,
1162	/* pfnVMResume */
1163	NULL,
1164	/* pfnVMPowerOff */
1165	NULL,
1166	/* pfnHotPlugged */
1167	NULL,
1168	/* pfnHotUnplugged */
1169	NULL,
1170	/* pfnDriverAttach */
1171	NULL,
1172	/* pfnDriverDetach */
1173	NULL,
1174	/* pfnQueryInterface */
1175	NULL,
1176	/* pfnUsbReset */
1177	usbHidUsbReset,
1178	/* pfnUsbGetCachedDescriptors */
1179	usbHidUsbGetDescriptorCache,
1180	/* pfnUsbSetConfiguration */
1181	usbHidUsbSetConfiguration,
1182	/* pfnUsbSetInterface */
1183	usbHidUsbSetInterface,
1184	/* pfnUsbClearHaltedEndpoint */
1185	usbHidUsbClearHaltedEndpoint,
1186	/* pfnUrbNew */
1187	NULL/usbHidUrbNew/,
1188	/* pfnQueue */
1189	usbHidQueue,
1190	/* pfnUrbCancel */
1191	usbHidUrbCancel,
1192	/* pfnUrbReap */
1193	usbHidUrbReap,
1194	/* u32TheEnd */
1195	PDM_USBREG_VERSION
1196	};

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source: vbox/trunk/src/VBox/Devices/Input/UsbKbd.cpp@ 26870

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