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1 /*
2  * QEMU USB HID devices
3  *
4  * Copyright (c) 2005 Fabrice Bellard
5  * Copyright (c) 2007 OpenMoko, Inc.  ([email protected])
6  *
7  * Permission is hereby granted, free of charge, to any person obtaining a copy
8  * of this software and associated documentation files (the "Software"), to deal
9  * in the Software without restriction, including without limitation the rights
10  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11  * copies of the Software, and to permit persons to whom the Software is
12  * furnished to do so, subject to the following conditions:
13  *
14  * The above copyright notice and this permission notice shall be included in
15  * all copies or substantial portions of the Software.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
23  * THE SOFTWARE.
24  */
25 #include "hw.h"
26 #include "console.h"
27 #include "usb.h"
28 #include "usb-desc.h"
29 #include "qemu-timer.h"
30 #include "hid.h"
31
32 /* HID interface requests */
33 #define GET_REPORT   0xa101
34 #define GET_IDLE     0xa102
35 #define GET_PROTOCOL 0xa103
36 #define SET_REPORT   0x2109
37 #define SET_IDLE     0x210a
38 #define SET_PROTOCOL 0x210b
39
40 /* HID descriptor types */
41 #define USB_DT_HID    0x21
42 #define USB_DT_REPORT 0x22
43 #define USB_DT_PHY    0x23
44
45 typedef struct USBHIDState {
46     USBDevice dev;
47     HIDState hid;
48 } USBHIDState;
49
50 enum {
51     STR_MANUFACTURER = 1,
52     STR_PRODUCT_MOUSE,
53     STR_PRODUCT_TABLET,
54     STR_PRODUCT_KEYBOARD,
55     STR_SERIALNUMBER,
56     STR_CONFIG_MOUSE,
57     STR_CONFIG_TABLET,
58     STR_CONFIG_KEYBOARD,
59 };
60
61 static const USBDescStrings desc_strings = {
62     [STR_MANUFACTURER]     = "QEMU " QEMU_VERSION,
63     [STR_PRODUCT_MOUSE]    = "QEMU USB Mouse",
64     [STR_PRODUCT_TABLET]   = "QEMU USB Tablet",
65     [STR_PRODUCT_KEYBOARD] = "QEMU USB Keyboard",
66     [STR_SERIALNUMBER]     = "42", /* == remote wakeup works */
67     [STR_CONFIG_MOUSE]     = "HID Mouse",
68     [STR_CONFIG_TABLET]    = "HID Tablet",
69     [STR_CONFIG_KEYBOARD]  = "HID Keyboard",
70 };
71
72 static const USBDescIface desc_iface_mouse = {
73     .bInterfaceNumber              = 0,
74     .bNumEndpoints                 = 1,
75     .bInterfaceClass               = USB_CLASS_HID,
76     .bInterfaceSubClass            = 0x01, /* boot */
77     .bInterfaceProtocol            = 0x02,
78     .ndesc                         = 1,
79     .descs = (USBDescOther[]) {
80         {
81             /* HID descriptor */
82             .data = (uint8_t[]) {
83                 0x09,          /*  u8  bLength */
84                 USB_DT_HID,    /*  u8  bDescriptorType */
85                 0x01, 0x00,    /*  u16 HID_class */
86                 0x00,          /*  u8  country_code */
87                 0x01,          /*  u8  num_descriptors */
88                 USB_DT_REPORT, /*  u8  type: Report */
89                 52, 0,         /*  u16 len */
90             },
91         },
92     },
93     .eps = (USBDescEndpoint[]) {
94         {
95             .bEndpointAddress      = USB_DIR_IN | 0x01,
96             .bmAttributes          = USB_ENDPOINT_XFER_INT,
97             .wMaxPacketSize        = 4,
98             .bInterval             = 0x0a,
99         },
100     },
101 };
102
103 static const USBDescIface desc_iface_tablet = {
104     .bInterfaceNumber              = 0,
105     .bNumEndpoints                 = 1,
106     .bInterfaceClass               = USB_CLASS_HID,
107     .bInterfaceProtocol            = 0x02,
108     .ndesc                         = 1,
109     .descs = (USBDescOther[]) {
110         {
111             /* HID descriptor */
112             .data = (uint8_t[]) {
113                 0x09,          /*  u8  bLength */
114                 USB_DT_HID,    /*  u8  bDescriptorType */
115                 0x01, 0x00,    /*  u16 HID_class */
116                 0x00,          /*  u8  country_code */
117                 0x01,          /*  u8  num_descriptors */
118                 USB_DT_REPORT, /*  u8  type: Report */
119                 74, 0,         /*  u16 len */
120             },
121         },
122     },
123     .eps = (USBDescEndpoint[]) {
124         {
125             .bEndpointAddress      = USB_DIR_IN | 0x01,
126             .bmAttributes          = USB_ENDPOINT_XFER_INT,
127             .wMaxPacketSize        = 8,
128             .bInterval             = 0x0a,
129         },
130     },
131 };
132
133 static const USBDescIface desc_iface_keyboard = {
134     .bInterfaceNumber              = 0,
135     .bNumEndpoints                 = 1,
136     .bInterfaceClass               = USB_CLASS_HID,
137     .bInterfaceSubClass            = 0x01, /* boot */
138     .bInterfaceProtocol            = 0x01, /* keyboard */
139     .ndesc                         = 1,
140     .descs = (USBDescOther[]) {
141         {
142             /* HID descriptor */
143             .data = (uint8_t[]) {
144                 0x09,          /*  u8  bLength */
145                 USB_DT_HID,    /*  u8  bDescriptorType */
146                 0x11, 0x01,    /*  u16 HID_class */
147                 0x00,          /*  u8  country_code */
148                 0x01,          /*  u8  num_descriptors */
149                 USB_DT_REPORT, /*  u8  type: Report */
150                 0x3f, 0,       /*  u16 len */
151             },
152         },
153     },
154     .eps = (USBDescEndpoint[]) {
155         {
156             .bEndpointAddress      = USB_DIR_IN | 0x01,
157             .bmAttributes          = USB_ENDPOINT_XFER_INT,
158             .wMaxPacketSize        = 8,
159             .bInterval             = 0x0a,
160         },
161     },
162 };
163
164 static const USBDescDevice desc_device_mouse = {
165     .bcdUSB                        = 0x0100,
166     .bMaxPacketSize0               = 8,
167     .bNumConfigurations            = 1,
168     .confs = (USBDescConfig[]) {
169         {
170             .bNumInterfaces        = 1,
171             .bConfigurationValue   = 1,
172             .iConfiguration        = STR_CONFIG_MOUSE,
173             .bmAttributes          = 0xa0,
174             .bMaxPower             = 50,
175             .nif = 1,
176             .ifs = &desc_iface_mouse,
177         },
178     },
179 };
180
181 static const USBDescDevice desc_device_tablet = {
182     .bcdUSB                        = 0x0100,
183     .bMaxPacketSize0               = 8,
184     .bNumConfigurations            = 1,
185     .confs = (USBDescConfig[]) {
186         {
187             .bNumInterfaces        = 1,
188             .bConfigurationValue   = 1,
189             .iConfiguration        = STR_CONFIG_TABLET,
190             .bmAttributes          = 0xa0,
191             .bMaxPower             = 50,
192             .nif = 1,
193             .ifs = &desc_iface_tablet,
194         },
195     },
196 };
197
198 static const USBDescDevice desc_device_keyboard = {
199     .bcdUSB                        = 0x0100,
200     .bMaxPacketSize0               = 8,
201     .bNumConfigurations            = 1,
202     .confs = (USBDescConfig[]) {
203         {
204             .bNumInterfaces        = 1,
205             .bConfigurationValue   = 1,
206             .iConfiguration        = STR_CONFIG_KEYBOARD,
207             .bmAttributes          = 0xa0,
208             .bMaxPower             = 50,
209             .nif = 1,
210             .ifs = &desc_iface_keyboard,
211         },
212     },
213 };
214
215 static const USBDesc desc_mouse = {
216     .id = {
217         .idVendor          = 0x0627,
218         .idProduct         = 0x0001,
219         .bcdDevice         = 0,
220         .iManufacturer     = STR_MANUFACTURER,
221         .iProduct          = STR_PRODUCT_MOUSE,
222         .iSerialNumber     = STR_SERIALNUMBER,
223     },
224     .full = &desc_device_mouse,
225     .str  = desc_strings,
226 };
227
228 static const USBDesc desc_tablet = {
229     .id = {
230         .idVendor          = 0x0627,
231         .idProduct         = 0x0001,
232         .bcdDevice         = 0,
233         .iManufacturer     = STR_MANUFACTURER,
234         .iProduct          = STR_PRODUCT_TABLET,
235         .iSerialNumber     = STR_SERIALNUMBER,
236     },
237     .full = &desc_device_tablet,
238     .str  = desc_strings,
239 };
240
241 static const USBDesc desc_keyboard = {
242     .id = {
243         .idVendor          = 0x0627,
244         .idProduct         = 0x0001,
245         .bcdDevice         = 0,
246         .iManufacturer     = STR_MANUFACTURER,
247         .iProduct          = STR_PRODUCT_KEYBOARD,
248         .iSerialNumber     = STR_SERIALNUMBER,
249     },
250     .full = &desc_device_keyboard,
251     .str  = desc_strings,
252 };
253
254 static const uint8_t qemu_mouse_hid_report_descriptor[] = {
255     0x05, 0x01,         /* Usage Page (Generic Desktop) */
256     0x09, 0x02,         /* Usage (Mouse) */
257     0xa1, 0x01,         /* Collection (Application) */
258     0x09, 0x01,         /*   Usage (Pointer) */
259     0xa1, 0x00,         /*   Collection (Physical) */
260     0x05, 0x09,         /*     Usage Page (Button) */
261     0x19, 0x01,         /*     Usage Minimum (1) */
262     0x29, 0x03,         /*     Usage Maximum (3) */
263     0x15, 0x00,         /*     Logical Minimum (0) */
264     0x25, 0x01,         /*     Logical Maximum (1) */
265     0x95, 0x03,         /*     Report Count (3) */
266     0x75, 0x01,         /*     Report Size (1) */
267     0x81, 0x02,         /*     Input (Data, Variable, Absolute) */
268     0x95, 0x01,         /*     Report Count (1) */
269     0x75, 0x05,         /*     Report Size (5) */
270     0x81, 0x01,         /*     Input (Constant) */
271     0x05, 0x01,         /*     Usage Page (Generic Desktop) */
272     0x09, 0x30,         /*     Usage (X) */
273     0x09, 0x31,         /*     Usage (Y) */
274     0x09, 0x38,         /*     Usage (Wheel) */
275     0x15, 0x81,         /*     Logical Minimum (-0x7f) */
276     0x25, 0x7f,         /*     Logical Maximum (0x7f) */
277     0x75, 0x08,         /*     Report Size (8) */
278     0x95, 0x03,         /*     Report Count (3) */
279     0x81, 0x06,         /*     Input (Data, Variable, Relative) */
280     0xc0,               /*   End Collection */
281     0xc0,               /* End Collection */
282 };
283
284 static const uint8_t qemu_tablet_hid_report_descriptor[] = {
285     0x05, 0x01,         /* Usage Page (Generic Desktop) */
286     0x09, 0x01,         /* Usage (Pointer) */
287     0xa1, 0x01,         /* Collection (Application) */
288     0x09, 0x01,         /*   Usage (Pointer) */
289     0xa1, 0x00,         /*   Collection (Physical) */
290     0x05, 0x09,         /*     Usage Page (Button) */
291     0x19, 0x01,         /*     Usage Minimum (1) */
292     0x29, 0x03,         /*     Usage Maximum (3) */
293     0x15, 0x00,         /*     Logical Minimum (0) */
294     0x25, 0x01,         /*     Logical Maximum (1) */
295     0x95, 0x03,         /*     Report Count (3) */
296     0x75, 0x01,         /*     Report Size (1) */
297     0x81, 0x02,         /*     Input (Data, Variable, Absolute) */
298     0x95, 0x01,         /*     Report Count (1) */
299     0x75, 0x05,         /*     Report Size (5) */
300     0x81, 0x01,         /*     Input (Constant) */
301     0x05, 0x01,         /*     Usage Page (Generic Desktop) */
302     0x09, 0x30,         /*     Usage (X) */
303     0x09, 0x31,         /*     Usage (Y) */
304     0x15, 0x00,         /*     Logical Minimum (0) */
305     0x26, 0xff, 0x7f,   /*     Logical Maximum (0x7fff) */
306     0x35, 0x00,         /*     Physical Minimum (0) */
307     0x46, 0xff, 0x7f,   /*     Physical Maximum (0x7fff) */
308     0x75, 0x10,         /*     Report Size (16) */
309     0x95, 0x02,         /*     Report Count (2) */
310     0x81, 0x02,         /*     Input (Data, Variable, Absolute) */
311     0x05, 0x01,         /*     Usage Page (Generic Desktop) */
312     0x09, 0x38,         /*     Usage (Wheel) */
313     0x15, 0x81,         /*     Logical Minimum (-0x7f) */
314     0x25, 0x7f,         /*     Logical Maximum (0x7f) */
315     0x35, 0x00,         /*     Physical Minimum (same as logical) */
316     0x45, 0x00,         /*     Physical Maximum (same as logical) */
317     0x75, 0x08,         /*     Report Size (8) */
318     0x95, 0x01,         /*     Report Count (1) */
319     0x81, 0x06,         /*     Input (Data, Variable, Relative) */
320     0xc0,               /*   End Collection */
321     0xc0,               /* End Collection */
322 };
323
324 static const uint8_t qemu_keyboard_hid_report_descriptor[] = {
325     0x05, 0x01,         /* Usage Page (Generic Desktop) */
326     0x09, 0x06,         /* Usage (Keyboard) */
327     0xa1, 0x01,         /* Collection (Application) */
328     0x75, 0x01,         /*   Report Size (1) */
329     0x95, 0x08,         /*   Report Count (8) */
330     0x05, 0x07,         /*   Usage Page (Key Codes) */
331     0x19, 0xe0,         /*   Usage Minimum (224) */
332     0x29, 0xe7,         /*   Usage Maximum (231) */
333     0x15, 0x00,         /*   Logical Minimum (0) */
334     0x25, 0x01,         /*   Logical Maximum (1) */
335     0x81, 0x02,         /*   Input (Data, Variable, Absolute) */
336     0x95, 0x01,         /*   Report Count (1) */
337     0x75, 0x08,         /*   Report Size (8) */
338     0x81, 0x01,         /*   Input (Constant) */
339     0x95, 0x05,         /*   Report Count (5) */
340     0x75, 0x01,         /*   Report Size (1) */
341     0x05, 0x08,         /*   Usage Page (LEDs) */
342     0x19, 0x01,         /*   Usage Minimum (1) */
343     0x29, 0x05,         /*   Usage Maximum (5) */
344     0x91, 0x02,         /*   Output (Data, Variable, Absolute) */
345     0x95, 0x01,         /*   Report Count (1) */
346     0x75, 0x03,         /*   Report Size (3) */
347     0x91, 0x01,         /*   Output (Constant) */
348     0x95, 0x06,         /*   Report Count (6) */
349     0x75, 0x08,         /*   Report Size (8) */
350     0x15, 0x00,         /*   Logical Minimum (0) */
351     0x25, 0xff,         /*   Logical Maximum (255) */
352     0x05, 0x07,         /*   Usage Page (Key Codes) */
353     0x19, 0x00,         /*   Usage Minimum (0) */
354     0x29, 0xff,         /*   Usage Maximum (255) */
355     0x81, 0x00,         /*   Input (Data, Array) */
356     0xc0,               /* End Collection */
357 };
358
359 static void usb_hid_changed(HIDState *hs)
360 {
361     USBHIDState *us = container_of(hs, USBHIDState, hid);
362
363     usb_wakeup(&us->dev);
364 }
365
366 static void usb_hid_handle_reset(USBDevice *dev)
367 {
368     USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev);
369
370     hid_reset(&us->hid);
371 }
372
373 static int usb_hid_handle_control(USBDevice *dev, USBPacket *p,
374                int request, int value, int index, int length, uint8_t *data)
375 {
376     USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev);
377     HIDState *hs = &us->hid;
378     int ret;
379
380     ret = usb_desc_handle_control(dev, p, request, value, index, length, data);
381     if (ret >= 0) {
382         return ret;
383     }
384
385     ret = 0;
386     switch (request) {
387     case DeviceRequest | USB_REQ_GET_INTERFACE:
388         data[0] = 0;
389         ret = 1;
390         break;
391     case DeviceOutRequest | USB_REQ_SET_INTERFACE:
392         ret = 0;
393         break;
394         /* hid specific requests */
395     case InterfaceRequest | USB_REQ_GET_DESCRIPTOR:
396         switch (value >> 8) {
397         case 0x22:
398             if (hs->kind == HID_MOUSE) {
399                 memcpy(data, qemu_mouse_hid_report_descriptor,
400                        sizeof(qemu_mouse_hid_report_descriptor));
401                 ret = sizeof(qemu_mouse_hid_report_descriptor);
402             } else if (hs->kind == HID_TABLET) {
403                 memcpy(data, qemu_tablet_hid_report_descriptor,
404                        sizeof(qemu_tablet_hid_report_descriptor));
405                 ret = sizeof(qemu_tablet_hid_report_descriptor);
406             } else if (hs->kind == HID_KEYBOARD) {
407                 memcpy(data, qemu_keyboard_hid_report_descriptor,
408                        sizeof(qemu_keyboard_hid_report_descriptor));
409                 ret = sizeof(qemu_keyboard_hid_report_descriptor);
410             }
411             break;
412         default:
413             goto fail;
414         }
415         break;
416     case GET_REPORT:
417         if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) {
418             ret = hid_pointer_poll(hs, data, length);
419         } else if (hs->kind == HID_KEYBOARD) {
420             ret = hid_keyboard_poll(hs, data, length);
421         }
422         break;
423     case SET_REPORT:
424         if (hs->kind == HID_KEYBOARD) {
425             ret = hid_keyboard_write(hs, data, length);
426         } else {
427             goto fail;
428         }
429         break;
430     case GET_PROTOCOL:
431         if (hs->kind != HID_KEYBOARD && hs->kind != HID_MOUSE) {
432             goto fail;
433         }
434         ret = 1;
435         data[0] = hs->protocol;
436         break;
437     case SET_PROTOCOL:
438         if (hs->kind != HID_KEYBOARD && hs->kind != HID_MOUSE) {
439             goto fail;
440         }
441         ret = 0;
442         hs->protocol = value;
443         break;
444     case GET_IDLE:
445         ret = 1;
446         data[0] = hs->idle;
447         break;
448     case SET_IDLE:
449         hs->idle = (uint8_t) (value >> 8);
450         hid_set_next_idle(hs, qemu_get_clock_ns(vm_clock));
451         if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) {
452             hid_pointer_activate(hs);
453         }
454         ret = 0;
455         break;
456     default:
457     fail:
458         ret = USB_RET_STALL;
459         break;
460     }
461     return ret;
462 }
463
464 static int usb_hid_handle_data(USBDevice *dev, USBPacket *p)
465 {
466     USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev);
467     HIDState *hs = &us->hid;
468     uint8_t buf[p->iov.size];
469     int ret = 0;
470
471     switch (p->pid) {
472     case USB_TOKEN_IN:
473         if (p->devep == 1) {
474             int64_t curtime = qemu_get_clock_ns(vm_clock);
475             if (!hid_has_events(hs) &&
476                 (!hs->idle || hs->next_idle_clock - curtime > 0)) {
477                 return USB_RET_NAK;
478             }
479             hid_set_next_idle(hs, curtime);
480             if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) {
481                 ret = hid_pointer_poll(hs, buf, p->iov.size);
482             } else if (hs->kind == HID_KEYBOARD) {
483                 ret = hid_keyboard_poll(hs, buf, p->iov.size);
484             }
485             usb_packet_copy(p, buf, ret);
486         } else {
487             goto fail;
488         }
489         break;
490     case USB_TOKEN_OUT:
491     default:
492     fail:
493         ret = USB_RET_STALL;
494         break;
495     }
496     return ret;
497 }
498
499 static void usb_hid_handle_destroy(USBDevice *dev)
500 {
501     USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev);
502
503     hid_free(&us->hid);
504 }
505
506 static int usb_hid_initfn(USBDevice *dev, int kind)
507 {
508     USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev);
509
510     usb_desc_init(dev);
511     hid_init(&us->hid, kind, usb_hid_changed);
512     return 0;
513 }
514
515 static int usb_tablet_initfn(USBDevice *dev)
516 {
517     return usb_hid_initfn(dev, HID_TABLET);
518 }
519
520 static int usb_mouse_initfn(USBDevice *dev)
521 {
522     return usb_hid_initfn(dev, HID_MOUSE);
523 }
524
525 static int usb_keyboard_initfn(USBDevice *dev)
526 {
527     return usb_hid_initfn(dev, HID_KEYBOARD);
528 }
529
530 static const VMStateDescription vmstate_usb_ptr = {
531     .name = "usb-ptr",
532     .version_id = 1,
533     .minimum_version_id = 1,
534     .fields = (VMStateField []) {
535         VMSTATE_USB_DEVICE(dev, USBHIDState),
536         VMSTATE_HID_POINTER_DEVICE(hid, USBHIDState),
537         VMSTATE_END_OF_LIST()
538     }
539 };
540
541 static const VMStateDescription vmstate_usb_kbd = {
542     .name = "usb-kbd",
543     .version_id = 1,
544     .minimum_version_id = 1,
545     .fields = (VMStateField []) {
546         VMSTATE_USB_DEVICE(dev, USBHIDState),
547         VMSTATE_HID_KEYBOARD_DEVICE(hid, USBHIDState),
548         VMSTATE_END_OF_LIST()
549     }
550 };
551
552 static struct USBDeviceInfo hid_info[] = {
553     {
554         .product_desc   = "QEMU USB Tablet",
555         .qdev.name      = "usb-tablet",
556         .usbdevice_name = "tablet",
557         .qdev.size      = sizeof(USBHIDState),
558         .qdev.vmsd      = &vmstate_usb_ptr,
559         .usb_desc       = &desc_tablet,
560         .init           = usb_tablet_initfn,
561         .handle_packet  = usb_generic_handle_packet,
562         .handle_reset   = usb_hid_handle_reset,
563         .handle_control = usb_hid_handle_control,
564         .handle_data    = usb_hid_handle_data,
565         .handle_destroy = usb_hid_handle_destroy,
566     },{
567         .product_desc   = "QEMU USB Mouse",
568         .qdev.name      = "usb-mouse",
569         .usbdevice_name = "mouse",
570         .qdev.size      = sizeof(USBHIDState),
571         .qdev.vmsd      = &vmstate_usb_ptr,
572         .usb_desc       = &desc_mouse,
573         .init           = usb_mouse_initfn,
574         .handle_packet  = usb_generic_handle_packet,
575         .handle_reset   = usb_hid_handle_reset,
576         .handle_control = usb_hid_handle_control,
577         .handle_data    = usb_hid_handle_data,
578         .handle_destroy = usb_hid_handle_destroy,
579     },{
580         .product_desc   = "QEMU USB Keyboard",
581         .qdev.name      = "usb-kbd",
582         .usbdevice_name = "keyboard",
583         .qdev.size      = sizeof(USBHIDState),
584         .qdev.vmsd      = &vmstate_usb_kbd,
585         .usb_desc       = &desc_keyboard,
586         .init           = usb_keyboard_initfn,
587         .handle_packet  = usb_generic_handle_packet,
588         .handle_reset   = usb_hid_handle_reset,
589         .handle_control = usb_hid_handle_control,
590         .handle_data    = usb_hid_handle_data,
591         .handle_destroy = usb_hid_handle_destroy,
592     },{
593         /* end of list */
594     }
595 };
596
597 static void usb_hid_register_devices(void)
598 {
599     usb_qdev_register_many(hid_info);
600 }
601 device_init(usb_hid_register_devices)
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