1#include "qemu/osdep.h"
2#include "hw/hw.h"
3#include "hw/usb.h"
4#include "hw/qdev.h"
5#include "qapi/error.h"
6#include "qemu/error-report.h"
7#include "sysemu/sysemu.h"
8#include "monitor/monitor.h"
9#include "trace.h"
10#include "qemu/cutils.h"
11
12static void usb_bus_dev_print(Monitor *mon, DeviceState *qdev, int indent);
13
14static char *usb_get_dev_path(DeviceState *dev);
15static char *usb_get_fw_dev_path(DeviceState *qdev);
16static void usb_qdev_unrealize(DeviceState *qdev, Error **errp);
17
18static Property usb_props[] = {
19 DEFINE_PROP_STRING("port", USBDevice, port_path),
20 DEFINE_PROP_STRING("serial", USBDevice, serial),
21 DEFINE_PROP_BIT("full-path", USBDevice, flags,
22 USB_DEV_FLAG_FULL_PATH, true),
23 DEFINE_PROP_BIT("msos-desc", USBDevice, flags,
24 USB_DEV_FLAG_MSOS_DESC_ENABLE, true),
25 DEFINE_PROP_END_OF_LIST()
26};
27
28static void usb_bus_class_init(ObjectClass *klass, void *data)
29{
30 BusClass *k = BUS_CLASS(klass);
31 HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(klass);
32
33 k->print_dev = usb_bus_dev_print;
34 k->get_dev_path = usb_get_dev_path;
35 k->get_fw_dev_path = usb_get_fw_dev_path;
36 hc->unplug = qdev_simple_device_unplug_cb;
37}
38
39static const TypeInfo usb_bus_info = {
40 .name = TYPE_USB_BUS,
41 .parent = TYPE_BUS,
42 .instance_size = sizeof(USBBus),
43 .class_init = usb_bus_class_init,
44 .interfaces = (InterfaceInfo[]) {
45 { TYPE_HOTPLUG_HANDLER },
46 { }
47 }
48};
49
50static int next_usb_bus = 0;
51static QTAILQ_HEAD(, USBBus) busses = QTAILQ_HEAD_INITIALIZER(busses);
52
53static int usb_device_post_load(void *opaque, int version_id)
54{
55 USBDevice *dev = opaque;
56
57 if (dev->state == USB_STATE_NOTATTACHED) {
58 dev->attached = false;
59 } else {
60 dev->attached = true;
61 }
62 if (dev->setup_index < 0 ||
63 dev->setup_len < 0 ||
64 dev->setup_index > dev->setup_len ||
65 dev->setup_len > sizeof(dev->data_buf)) {
66 return -EINVAL;
67 }
68 return 0;
69}
70
71const VMStateDescription vmstate_usb_device = {
72 .name = "USBDevice",
73 .version_id = 1,
74 .minimum_version_id = 1,
75 .post_load = usb_device_post_load,
76 .fields = (VMStateField[]) {
77 VMSTATE_UINT8(addr, USBDevice),
78 VMSTATE_INT32(state, USBDevice),
79 VMSTATE_INT32(remote_wakeup, USBDevice),
80 VMSTATE_INT32(setup_state, USBDevice),
81 VMSTATE_INT32(setup_len, USBDevice),
82 VMSTATE_INT32(setup_index, USBDevice),
83 VMSTATE_UINT8_ARRAY(setup_buf, USBDevice, 8),
84 VMSTATE_END_OF_LIST(),
85 }
86};
87
88void usb_bus_new(USBBus *bus, size_t bus_size,
89 USBBusOps *ops, DeviceState *host)
90{
91 qbus_create_inplace(bus, bus_size, TYPE_USB_BUS, host, NULL);
92 qbus_set_bus_hotplug_handler(BUS(bus), &error_abort);
93 bus->ops = ops;
94 bus->busnr = next_usb_bus++;
95 QTAILQ_INIT(&bus->free);
96 QTAILQ_INIT(&bus->used);
97 QTAILQ_INSERT_TAIL(&busses, bus, next);
98}
99
100void usb_bus_release(USBBus *bus)
101{
102 assert(next_usb_bus > 0);
103
104 QTAILQ_REMOVE(&busses, bus, next);
105}
106
107USBBus *usb_bus_find(int busnr)
108{
109 USBBus *bus;
110
111 if (-1 == busnr)
112 return QTAILQ_FIRST(&busses);
113 QTAILQ_FOREACH(bus, &busses, next) {
114 if (bus->busnr == busnr)
115 return bus;
116 }
117 return NULL;
118}
119
120static void usb_device_realize(USBDevice *dev, Error **errp)
121{
122 USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
123
124 if (klass->realize) {
125 klass->realize(dev, errp);
126 }
127}
128
129USBDevice *usb_device_find_device(USBDevice *dev, uint8_t addr)
130{
131 USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
132 if (klass->find_device) {
133 return klass->find_device(dev, addr);
134 }
135 return NULL;
136}
137
138static void usb_device_handle_destroy(USBDevice *dev)
139{
140 USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
141 if (klass->handle_destroy) {
142 klass->handle_destroy(dev);
143 }
144}
145
146void usb_device_cancel_packet(USBDevice *dev, USBPacket *p)
147{
148 USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
149 if (klass->cancel_packet) {
150 klass->cancel_packet(dev, p);
151 }
152}
153
154void usb_device_handle_attach(USBDevice *dev)
155{
156 USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
157 if (klass->handle_attach) {
158 klass->handle_attach(dev);
159 }
160}
161
162void usb_device_handle_reset(USBDevice *dev)
163{
164 USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
165 if (klass->handle_reset) {
166 klass->handle_reset(dev);
167 }
168}
169
170void usb_device_handle_control(USBDevice *dev, USBPacket *p, int request,
171 int value, int index, int length, uint8_t *data)
172{
173 USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
174 if (klass->handle_control) {
175 klass->handle_control(dev, p, request, value, index, length, data);
176 }
177}
178
179void usb_device_handle_data(USBDevice *dev, USBPacket *p)
180{
181 USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
182 if (klass->handle_data) {
183 klass->handle_data(dev, p);
184 }
185}
186
187const char *usb_device_get_product_desc(USBDevice *dev)
188{
189 USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
190 return klass->product_desc;
191}
192
193const USBDesc *usb_device_get_usb_desc(USBDevice *dev)
194{
195 USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
196 if (dev->usb_desc) {
197 return dev->usb_desc;
198 }
199 return klass->usb_desc;
200}
201
202void usb_device_set_interface(USBDevice *dev, int interface,
203 int alt_old, int alt_new)
204{
205 USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
206 if (klass->set_interface) {
207 klass->set_interface(dev, interface, alt_old, alt_new);
208 }
209}
210
211void usb_device_flush_ep_queue(USBDevice *dev, USBEndpoint *ep)
212{
213 USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
214 if (klass->flush_ep_queue) {
215 klass->flush_ep_queue(dev, ep);
216 }
217}
218
219void usb_device_ep_stopped(USBDevice *dev, USBEndpoint *ep)
220{
221 USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
222 if (klass->ep_stopped) {
223 klass->ep_stopped(dev, ep);
224 }
225}
226
227int usb_device_alloc_streams(USBDevice *dev, USBEndpoint **eps, int nr_eps,
228 int streams)
229{
230 USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
231 if (klass->alloc_streams) {
232 return klass->alloc_streams(dev, eps, nr_eps, streams);
233 }
234 return 0;
235}
236
237void usb_device_free_streams(USBDevice *dev, USBEndpoint **eps, int nr_eps)
238{
239 USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
240 if (klass->free_streams) {
241 klass->free_streams(dev, eps, nr_eps);
242 }
243}
244
245static void usb_qdev_realize(DeviceState *qdev, Error **errp)
246{
247 USBDevice *dev = USB_DEVICE(qdev);
248 Error *local_err = NULL;
249
250 pstrcpy(dev->product_desc, sizeof(dev->product_desc),
251 usb_device_get_product_desc(dev));
252 dev->auto_attach = 1;
253 QLIST_INIT(&dev->strings);
254 usb_ep_init(dev);
255
256 usb_claim_port(dev, &local_err);
257 if (local_err) {
258 error_propagate(errp, local_err);
259 return;
260 }
261
262 usb_device_realize(dev, &local_err);
263 if (local_err) {
264 usb_release_port(dev);
265 error_propagate(errp, local_err);
266 return;
267 }
268
269 if (dev->auto_attach) {
270 usb_device_attach(dev, &local_err);
271 if (local_err) {
272 usb_qdev_unrealize(qdev, NULL);
273 error_propagate(errp, local_err);
274 return;
275 }
276 }
277}
278
279static void usb_qdev_unrealize(DeviceState *qdev, Error **errp)
280{
281 USBDevice *dev = USB_DEVICE(qdev);
282 USBDescString *s, *next;
283
284 QLIST_FOREACH_SAFE(s, &dev->strings, next, next) {
285 QLIST_REMOVE(s, next);
286 g_free(s->str);
287 g_free(s);
288 }
289
290 if (dev->attached) {
291 usb_device_detach(dev);
292 }
293 usb_device_handle_destroy(dev);
294 if (dev->port) {
295 usb_release_port(dev);
296 }
297}
298
299typedef struct LegacyUSBFactory
300{
301 const char *name;
302 const char *usbdevice_name;
303 USBDevice *(*usbdevice_init)(USBBus *bus, const char *params);
304} LegacyUSBFactory;
305
306static GSList *legacy_usb_factory;
307
308void usb_legacy_register(const char *typename, const char *usbdevice_name,
309 USBDevice *(*usbdevice_init)(USBBus *bus,
310 const char *params))
311{
312 if (usbdevice_name) {
313 LegacyUSBFactory *f = g_malloc0(sizeof(*f));
314 f->name = typename;
315 f->usbdevice_name = usbdevice_name;
316 f->usbdevice_init = usbdevice_init;
317 legacy_usb_factory = g_slist_append(legacy_usb_factory, f);
318 }
319}
320
321USBDevice *usb_create(USBBus *bus, const char *name)
322{
323 DeviceState *dev;
324
325 dev = qdev_create(&bus->qbus, name);
326 return USB_DEVICE(dev);
327}
328
329static USBDevice *usb_try_create_simple(USBBus *bus, const char *name,
330 Error **errp)
331{
332 Error *err = NULL;
333 USBDevice *dev;
334
335 dev = USB_DEVICE(qdev_try_create(&bus->qbus, name));
336 if (!dev) {
337 error_setg(errp, "Failed to create USB device '%s'", name);
338 return NULL;
339 }
340 object_property_set_bool(OBJECT(dev), true, "realized", &err);
341 if (err) {
342 error_propagate(errp, err);
343 error_prepend(errp, "Failed to initialize USB device '%s': ",
344 name);
345 object_unparent(OBJECT(dev));
346 return NULL;
347 }
348 return dev;
349}
350
351USBDevice *usb_create_simple(USBBus *bus, const char *name)
352{
353 return usb_try_create_simple(bus, name, &error_abort);
354}
355
356static void usb_fill_port(USBPort *port, void *opaque, int index,
357 USBPortOps *ops, int speedmask)
358{
359 port->opaque = opaque;
360 port->index = index;
361 port->ops = ops;
362 port->speedmask = speedmask;
363 usb_port_location(port, NULL, index + 1);
364}
365
366void usb_register_port(USBBus *bus, USBPort *port, void *opaque, int index,
367 USBPortOps *ops, int speedmask)
368{
369 usb_fill_port(port, opaque, index, ops, speedmask);
370 QTAILQ_INSERT_TAIL(&bus->free, port, next);
371 bus->nfree++;
372}
373
374void usb_register_companion(const char *masterbus, USBPort *ports[],
375 uint32_t portcount, uint32_t firstport,
376 void *opaque, USBPortOps *ops, int speedmask,
377 Error **errp)
378{
379 USBBus *bus;
380 int i;
381
382 QTAILQ_FOREACH(bus, &busses, next) {
383 if (strcmp(bus->qbus.name, masterbus) == 0) {
384 break;
385 }
386 }
387
388 if (!bus) {
389 error_setg(errp, "USB bus '%s' not found", masterbus);
390 return;
391 }
392 if (!bus->ops->register_companion) {
393 error_setg(errp, "Can't use USB bus '%s' as masterbus,"
394 " it doesn't support companion controllers",
395 masterbus);
396 return;
397 }
398
399 for (i = 0; i < portcount; i++) {
400 usb_fill_port(ports[i], opaque, i, ops, speedmask);
401 }
402
403 bus->ops->register_companion(bus, ports, portcount, firstport, errp);
404}
405
406void usb_port_location(USBPort *downstream, USBPort *upstream, int portnr)
407{
408 if (upstream) {
409 snprintf(downstream->path, sizeof(downstream->path), "%s.%d",
410 upstream->path, portnr);
411 downstream->hubcount = upstream->hubcount + 1;
412 } else {
413 snprintf(downstream->path, sizeof(downstream->path), "%d", portnr);
414 downstream->hubcount = 0;
415 }
416}
417
418void usb_unregister_port(USBBus *bus, USBPort *port)
419{
420 if (port->dev) {
421 object_unparent(OBJECT(port->dev));
422 }
423 QTAILQ_REMOVE(&bus->free, port, next);
424 bus->nfree--;
425}
426
427void usb_claim_port(USBDevice *dev, Error **errp)
428{
429 USBBus *bus = usb_bus_from_device(dev);
430 USBPort *port;
431
432 assert(dev->port == NULL);
433
434 if (dev->port_path) {
435 QTAILQ_FOREACH(port, &bus->free, next) {
436 if (strcmp(port->path, dev->port_path) == 0) {
437 break;
438 }
439 }
440 if (port == NULL) {
441 error_setg(errp, "usb port %s (bus %s) not found (in use?)",
442 dev->port_path, bus->qbus.name);
443 return;
444 }
445 } else {
446 if (bus->nfree == 1 && strcmp(object_get_typename(OBJECT(dev)), "usb-hub") != 0) {
447
448 usb_try_create_simple(bus, "usb-hub", NULL);
449 }
450 if (bus->nfree == 0) {
451 error_setg(errp, "tried to attach usb device %s to a bus "
452 "with no free ports", dev->product_desc);
453 return;
454 }
455 port = QTAILQ_FIRST(&bus->free);
456 }
457 trace_usb_port_claim(bus->busnr, port->path);
458
459 QTAILQ_REMOVE(&bus->free, port, next);
460 bus->nfree--;
461
462 dev->port = port;
463 port->dev = dev;
464
465 QTAILQ_INSERT_TAIL(&bus->used, port, next);
466 bus->nused++;
467}
468
469void usb_release_port(USBDevice *dev)
470{
471 USBBus *bus = usb_bus_from_device(dev);
472 USBPort *port = dev->port;
473
474 assert(port != NULL);
475 trace_usb_port_release(bus->busnr, port->path);
476
477 QTAILQ_REMOVE(&bus->used, port, next);
478 bus->nused--;
479
480 dev->port = NULL;
481 port->dev = NULL;
482
483 QTAILQ_INSERT_TAIL(&bus->free, port, next);
484 bus->nfree++;
485}
486
487static void usb_mask_to_str(char *dest, size_t size,
488 unsigned int speedmask)
489{
490 static const struct {
491 unsigned int mask;
492 const char *name;
493 } speeds[] = {
494 { .mask = USB_SPEED_MASK_FULL, .name = "full" },
495 { .mask = USB_SPEED_MASK_HIGH, .name = "high" },
496 { .mask = USB_SPEED_MASK_SUPER, .name = "super" },
497 };
498 int i, pos = 0;
499
500 for (i = 0; i < ARRAY_SIZE(speeds); i++) {
501 if (speeds[i].mask & speedmask) {
502 pos += snprintf(dest + pos, size - pos, "%s%s",
503 pos ? "+" : "",
504 speeds[i].name);
505 }
506 }
507}
508
509void usb_check_attach(USBDevice *dev, Error **errp)
510{
511 USBBus *bus = usb_bus_from_device(dev);
512 USBPort *port = dev->port;
513 char devspeed[32], portspeed[32];
514
515 assert(port != NULL);
516 assert(!dev->attached);
517 usb_mask_to_str(devspeed, sizeof(devspeed), dev->speedmask);
518 usb_mask_to_str(portspeed, sizeof(portspeed), port->speedmask);
519 trace_usb_port_attach(bus->busnr, port->path,
520 devspeed, portspeed);
521
522 if (!(port->speedmask & dev->speedmask)) {
523 error_setg(errp, "Warning: speed mismatch trying to attach"
524 " usb device \"%s\" (%s speed)"
525 " to bus \"%s\", port \"%s\" (%s speed)",
526 dev->product_desc, devspeed,
527 bus->qbus.name, port->path, portspeed);
528 return;
529 }
530}
531
532void usb_device_attach(USBDevice *dev, Error **errp)
533{
534 USBPort *port = dev->port;
535 Error *local_err = NULL;
536
537 usb_check_attach(dev, &local_err);
538 if (local_err) {
539 error_propagate(errp, local_err);
540 return;
541 }
542
543 dev->attached = true;
544 usb_attach(port);
545}
546
547int usb_device_detach(USBDevice *dev)
548{
549 USBBus *bus = usb_bus_from_device(dev);
550 USBPort *port = dev->port;
551
552 assert(port != NULL);
553 assert(dev->attached);
554 trace_usb_port_detach(bus->busnr, port->path);
555
556 usb_detach(port);
557 dev->attached = false;
558 return 0;
559}
560
561int usb_device_delete_addr(int busnr, int addr)
562{
563 USBBus *bus;
564 USBPort *port;
565 USBDevice *dev;
566
567 bus = usb_bus_find(busnr);
568 if (!bus)
569 return -1;
570
571 QTAILQ_FOREACH(port, &bus->used, next) {
572 if (port->dev->addr == addr)
573 break;
574 }
575 if (!port)
576 return -1;
577 dev = port->dev;
578
579 object_unparent(OBJECT(dev));
580 return 0;
581}
582
583static const char *usb_speed(unsigned int speed)
584{
585 static const char *txt[] = {
586 [ USB_SPEED_LOW ] = "1.5",
587 [ USB_SPEED_FULL ] = "12",
588 [ USB_SPEED_HIGH ] = "480",
589 [ USB_SPEED_SUPER ] = "5000",
590 };
591 if (speed >= ARRAY_SIZE(txt))
592 return "?";
593 return txt[speed];
594}
595
596static void usb_bus_dev_print(Monitor *mon, DeviceState *qdev, int indent)
597{
598 USBDevice *dev = USB_DEVICE(qdev);
599 USBBus *bus = usb_bus_from_device(dev);
600
601 monitor_printf(mon, "%*saddr %d.%d, port %s, speed %s, name %s%s\n",
602 indent, "", bus->busnr, dev->addr,
603 dev->port ? dev->port->path : "-",
604 usb_speed(dev->speed), dev->product_desc,
605 dev->attached ? ", attached" : "");
606}
607
608static char *usb_get_dev_path(DeviceState *qdev)
609{
610 USBDevice *dev = USB_DEVICE(qdev);
611 DeviceState *hcd = qdev->parent_bus->parent;
612 char *id = NULL;
613
614 if (dev->flags & (1 << USB_DEV_FLAG_FULL_PATH)) {
615 id = qdev_get_dev_path(hcd);
616 }
617 if (id) {
618 char *ret = g_strdup_printf("%s/%s", id, dev->port->path);
619 g_free(id);
620 return ret;
621 } else {
622 return g_strdup(dev->port->path);
623 }
624}
625
626static char *usb_get_fw_dev_path(DeviceState *qdev)
627{
628 USBDevice *dev = USB_DEVICE(qdev);
629 char *fw_path, *in;
630 ssize_t pos = 0, fw_len;
631 long nr;
632
633 fw_len = 32 + strlen(dev->port->path) * 6;
634 fw_path = g_malloc(fw_len);
635 in = dev->port->path;
636 while (fw_len - pos > 0) {
637 nr = strtol(in, &in, 10);
638 if (in[0] == '.') {
639
640 pos += snprintf(fw_path + pos, fw_len - pos, "hub@%lx/", nr);
641 in++;
642 } else {
643
644 pos += snprintf(fw_path + pos, fw_len - pos, "%s@%lx",
645 qdev_fw_name(qdev), nr);
646 break;
647 }
648 }
649 return fw_path;
650}
651
652void hmp_info_usb(Monitor *mon, const QDict *qdict)
653{
654 USBBus *bus;
655 USBDevice *dev;
656 USBPort *port;
657
658 if (QTAILQ_EMPTY(&busses)) {
659 monitor_printf(mon, "USB support not enabled\n");
660 return;
661 }
662
663 QTAILQ_FOREACH(bus, &busses, next) {
664 QTAILQ_FOREACH(port, &bus->used, next) {
665 dev = port->dev;
666 if (!dev)
667 continue;
668 monitor_printf(mon, " Device %d.%d, Port %s, Speed %s Mb/s, "
669 "Product %s%s%s\n",
670 bus->busnr, dev->addr, port->path,
671 usb_speed(dev->speed), dev->product_desc,
672 dev->qdev.id ? ", ID: " : "",
673 dev->qdev.id ?: "");
674 }
675 }
676}
677
678
679USBDevice *usbdevice_create(const char *cmdline)
680{
681 USBBus *bus = usb_bus_find(-1 );
682 LegacyUSBFactory *f = NULL;
683 Error *err = NULL;
684 GSList *i;
685 char driver[32];
686 const char *params;
687 int len;
688 USBDevice *dev;
689
690 params = strchr(cmdline,':');
691 if (params) {
692 params++;
693 len = params - cmdline;
694 if (len > sizeof(driver))
695 len = sizeof(driver);
696 pstrcpy(driver, len, cmdline);
697 } else {
698 params = "";
699 pstrcpy(driver, sizeof(driver), cmdline);
700 }
701
702 for (i = legacy_usb_factory; i; i = i->next) {
703 f = i->data;
704 if (strcmp(f->usbdevice_name, driver) == 0) {
705 break;
706 }
707 }
708 if (i == NULL) {
709#if 0
710
711 error_report("usbdevice %s not found", driver);
712#endif
713 return NULL;
714 }
715
716 if (!bus) {
717 error_report("Error: no usb bus to attach usbdevice %s, "
718 "please try -machine usb=on and check that "
719 "the machine model supports USB", driver);
720 return NULL;
721 }
722
723 if (f->usbdevice_init) {
724 dev = f->usbdevice_init(bus, params);
725 } else {
726 if (*params) {
727 error_report("usbdevice %s accepts no params", driver);
728 return NULL;
729 }
730 dev = usb_create(bus, f->name);
731 }
732 if (!dev) {
733 error_report("Failed to create USB device '%s'", f->name);
734 return NULL;
735 }
736 object_property_set_bool(OBJECT(dev), true, "realized", &err);
737 if (err) {
738 error_reportf_err(err, "Failed to initialize USB device '%s': ",
739 f->name);
740 object_unparent(OBJECT(dev));
741 return NULL;
742 }
743 return dev;
744}
745
746static bool usb_get_attached(Object *obj, Error **errp)
747{
748 USBDevice *dev = USB_DEVICE(obj);
749
750 return dev->attached;
751}
752
753static void usb_set_attached(Object *obj, bool value, Error **errp)
754{
755 USBDevice *dev = USB_DEVICE(obj);
756 Error *err = NULL;
757
758 if (dev->attached == value) {
759 return;
760 }
761
762 if (value) {
763 usb_device_attach(dev, &err);
764 if (err) {
765 error_propagate(errp, err);
766 }
767 } else {
768 usb_device_detach(dev);
769 }
770}
771
772static void usb_device_instance_init(Object *obj)
773{
774 USBDevice *dev = USB_DEVICE(obj);
775 USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
776
777 if (klass->attached_settable) {
778 object_property_add_bool(obj, "attached",
779 usb_get_attached, usb_set_attached,
780 NULL);
781 } else {
782 object_property_add_bool(obj, "attached",
783 usb_get_attached, NULL,
784 NULL);
785 }
786}
787
788static void usb_device_class_init(ObjectClass *klass, void *data)
789{
790 DeviceClass *k = DEVICE_CLASS(klass);
791 k->bus_type = TYPE_USB_BUS;
792 k->realize = usb_qdev_realize;
793 k->unrealize = usb_qdev_unrealize;
794 k->props = usb_props;
795}
796
797static const TypeInfo usb_device_type_info = {
798 .name = TYPE_USB_DEVICE,
799 .parent = TYPE_DEVICE,
800 .instance_size = sizeof(USBDevice),
801 .instance_init = usb_device_instance_init,
802 .abstract = true,
803 .class_size = sizeof(USBDeviceClass),
804 .class_init = usb_device_class_init,
805};
806
807static void usb_register_types(void)
808{
809 type_register_static(&usb_bus_info);
810 type_register_static(&usb_device_type_info);
811}
812
813type_init(usb_register_types)
814
