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Commit | Line | Data |
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f1ae32a1 GH |
1 | #include "hw/hw.h" |
2 | #include "hw/usb.h" | |
3 | #include "hw/qdev.h" | |
a5d2f727 GH |
4 | #include "sysemu.h" |
5 | #include "monitor.h" | |
891fb2cd | 6 | #include "trace.h" |
a5d2f727 GH |
7 | |
8 | static void usb_bus_dev_print(Monitor *mon, DeviceState *qdev, int indent); | |
c7a2196a GH |
9 | |
10 | static char *usb_get_dev_path(DeviceState *dev); | |
70d31cb2 | 11 | static char *usb_get_fw_dev_path(DeviceState *qdev); |
f462141f | 12 | static int usb_qdev_exit(DeviceState *qdev); |
806b6024 GH |
13 | |
14 | static struct BusInfo usb_bus_info = { | |
a5d2f727 GH |
15 | .name = "USB", |
16 | .size = sizeof(USBBus), | |
17 | .print_dev = usb_bus_dev_print, | |
c7a2196a | 18 | .get_dev_path = usb_get_dev_path, |
70d31cb2 | 19 | .get_fw_dev_path = usb_get_fw_dev_path, |
5f69076b GH |
20 | .props = (Property[]) { |
21 | DEFINE_PROP_STRING("port", USBDevice, port_path), | |
22 | DEFINE_PROP_END_OF_LIST() | |
23 | }, | |
806b6024 GH |
24 | }; |
25 | static int next_usb_bus = 0; | |
72cf2d4f | 26 | static QTAILQ_HEAD(, USBBus) busses = QTAILQ_HEAD_INITIALIZER(busses); |
806b6024 | 27 | |
c1ecb40a GH |
28 | const VMStateDescription vmstate_usb_device = { |
29 | .name = "USBDevice", | |
30 | .version_id = 1, | |
31 | .minimum_version_id = 1, | |
32 | .fields = (VMStateField []) { | |
33 | VMSTATE_UINT8(addr, USBDevice), | |
34 | VMSTATE_INT32(state, USBDevice), | |
35 | VMSTATE_INT32(remote_wakeup, USBDevice), | |
36 | VMSTATE_INT32(setup_state, USBDevice), | |
37 | VMSTATE_INT32(setup_len, USBDevice), | |
38 | VMSTATE_INT32(setup_index, USBDevice), | |
39 | VMSTATE_UINT8_ARRAY(setup_buf, USBDevice, 8), | |
40 | VMSTATE_END_OF_LIST(), | |
41 | } | |
42 | }; | |
43 | ||
07771f6f | 44 | void usb_bus_new(USBBus *bus, USBBusOps *ops, DeviceState *host) |
806b6024 | 45 | { |
b2317837 | 46 | qbus_create_inplace(&bus->qbus, &usb_bus_info, host, NULL); |
07771f6f | 47 | bus->ops = ops; |
806b6024 | 48 | bus->busnr = next_usb_bus++; |
ef816d83 | 49 | bus->qbus.allow_hotplug = 1; /* Yes, we can */ |
72cf2d4f BS |
50 | QTAILQ_INIT(&bus->free); |
51 | QTAILQ_INIT(&bus->used); | |
52 | QTAILQ_INSERT_TAIL(&busses, bus, next); | |
806b6024 GH |
53 | } |
54 | ||
55 | USBBus *usb_bus_find(int busnr) | |
56 | { | |
57 | USBBus *bus; | |
58 | ||
59 | if (-1 == busnr) | |
72cf2d4f BS |
60 | return QTAILQ_FIRST(&busses); |
61 | QTAILQ_FOREACH(bus, &busses, next) { | |
806b6024 GH |
62 | if (bus->busnr == busnr) |
63 | return bus; | |
64 | } | |
65 | return NULL; | |
66 | } | |
67 | ||
62aed765 AL |
68 | static int usb_device_init(USBDevice *dev) |
69 | { | |
70 | USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev); | |
71 | if (klass->init) { | |
72 | return klass->init(dev); | |
73 | } | |
74 | return 0; | |
75 | } | |
76 | ||
73796fe6 | 77 | USBDevice *usb_device_find_device(USBDevice *dev, uint8_t addr) |
62aed765 AL |
78 | { |
79 | USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev); | |
73796fe6 GH |
80 | if (klass->find_device) { |
81 | return klass->find_device(dev, addr); | |
62aed765 | 82 | } |
73796fe6 | 83 | return NULL; |
62aed765 AL |
84 | } |
85 | ||
62aed765 | 86 | static void usb_device_handle_destroy(USBDevice *dev) |
62aed765 AL |
87 | { |
88 | USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev); | |
62aed765 AL |
89 | if (klass->handle_destroy) { |
90 | klass->handle_destroy(dev); | |
62aed765 | 91 | } |
62aed765 AL |
92 | } |
93 | ||
94 | void usb_device_cancel_packet(USBDevice *dev, USBPacket *p) | |
95 | { | |
96 | USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev); | |
97 | if (klass->cancel_packet) { | |
98 | klass->cancel_packet(dev, p); | |
99 | } | |
100 | } | |
101 | ||
102 | void usb_device_handle_attach(USBDevice *dev) | |
103 | { | |
104 | USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev); | |
105 | if (klass->handle_attach) { | |
106 | klass->handle_attach(dev); | |
107 | } | |
108 | } | |
109 | ||
110 | void usb_device_handle_reset(USBDevice *dev) | |
111 | { | |
112 | USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev); | |
113 | if (klass->handle_reset) { | |
114 | klass->handle_reset(dev); | |
115 | } | |
116 | } | |
117 | ||
118 | int usb_device_handle_control(USBDevice *dev, USBPacket *p, int request, | |
119 | int value, int index, int length, uint8_t *data) | |
120 | { | |
121 | USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev); | |
122 | if (klass->handle_control) { | |
123 | return klass->handle_control(dev, p, request, value, index, length, | |
124 | data); | |
125 | } | |
126 | return -ENOSYS; | |
127 | } | |
128 | ||
129 | int usb_device_handle_data(USBDevice *dev, USBPacket *p) | |
130 | { | |
131 | USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev); | |
132 | if (klass->handle_data) { | |
133 | return klass->handle_data(dev, p); | |
134 | } | |
135 | return -ENOSYS; | |
136 | } | |
137 | ||
138 | const char *usb_device_get_product_desc(USBDevice *dev) | |
139 | { | |
140 | USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev); | |
141 | return klass->product_desc; | |
142 | } | |
143 | ||
144 | const USBDesc *usb_device_get_usb_desc(USBDevice *dev) | |
145 | { | |
146 | USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev); | |
147 | return klass->usb_desc; | |
148 | } | |
149 | ||
150 | void usb_device_set_interface(USBDevice *dev, int interface, | |
151 | int alt_old, int alt_new) | |
152 | { | |
153 | USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev); | |
154 | if (klass->set_interface) { | |
155 | klass->set_interface(dev, interface, alt_old, alt_new); | |
156 | } | |
157 | } | |
158 | ||
d307af79 | 159 | static int usb_qdev_init(DeviceState *qdev) |
806b6024 | 160 | { |
62aed765 | 161 | USBDevice *dev = USB_DEVICE(qdev); |
806b6024 GH |
162 | int rc; |
163 | ||
62aed765 AL |
164 | pstrcpy(dev->product_desc, sizeof(dev->product_desc), |
165 | usb_device_get_product_desc(dev)); | |
61e094c0 | 166 | dev->auto_attach = 1; |
132a3f55 | 167 | QLIST_INIT(&dev->strings); |
d8e17efd | 168 | usb_ep_init(dev); |
891fb2cd | 169 | rc = usb_claim_port(dev); |
f462141f | 170 | if (rc != 0) { |
db3a5ed7 | 171 | return rc; |
891fb2cd | 172 | } |
62aed765 | 173 | rc = usb_device_init(dev); |
f462141f | 174 | if (rc != 0) { |
db3a5ed7 SH |
175 | usb_release_port(dev); |
176 | return rc; | |
f462141f GH |
177 | } |
178 | if (dev->auto_attach) { | |
fa19bf83 | 179 | rc = usb_device_attach(dev); |
f462141f | 180 | if (rc != 0) { |
db3a5ed7 SH |
181 | usb_qdev_exit(qdev); |
182 | return rc; | |
f462141f | 183 | } |
891fb2cd | 184 | } |
f462141f | 185 | return 0; |
806b6024 GH |
186 | } |
187 | ||
a8e662b5 GH |
188 | static int usb_qdev_exit(DeviceState *qdev) |
189 | { | |
62aed765 | 190 | USBDevice *dev = USB_DEVICE(qdev); |
a8e662b5 | 191 | |
290a5c60 HG |
192 | if (dev->attached) { |
193 | usb_device_detach(dev); | |
194 | } | |
62aed765 | 195 | usb_device_handle_destroy(dev); |
891fb2cd GH |
196 | if (dev->port) { |
197 | usb_release_port(dev); | |
198 | } | |
a8e662b5 GH |
199 | return 0; |
200 | } | |
201 | ||
62aed765 | 202 | typedef struct LegacyUSBFactory |
806b6024 | 203 | { |
62aed765 AL |
204 | const char *name; |
205 | const char *usbdevice_name; | |
3741715c | 206 | USBDevice *(*usbdevice_init)(USBBus *bus, const char *params); |
62aed765 | 207 | } LegacyUSBFactory; |
806b6024 | 208 | |
62aed765 AL |
209 | static GSList *legacy_usb_factory; |
210 | ||
ba02430f | 211 | void usb_legacy_register(const char *typename, const char *usbdevice_name, |
3741715c JK |
212 | USBDevice *(*usbdevice_init)(USBBus *bus, |
213 | const char *params)) | |
806b6024 | 214 | { |
62aed765 AL |
215 | if (usbdevice_name) { |
216 | LegacyUSBFactory *f = g_malloc0(sizeof(*f)); | |
ba02430f | 217 | f->name = typename; |
62aed765 AL |
218 | f->usbdevice_name = usbdevice_name; |
219 | f->usbdevice_init = usbdevice_init; | |
220 | legacy_usb_factory = g_slist_append(legacy_usb_factory, f); | |
806b6024 GH |
221 | } |
222 | } | |
223 | ||
a5d2f727 | 224 | USBDevice *usb_create(USBBus *bus, const char *name) |
806b6024 GH |
225 | { |
226 | DeviceState *dev; | |
227 | ||
806b6024 | 228 | dev = qdev_create(&bus->qbus, name); |
62aed765 | 229 | return USB_DEVICE(dev); |
806b6024 | 230 | } |
a5d2f727 GH |
231 | |
232 | USBDevice *usb_create_simple(USBBus *bus, const char *name) | |
233 | { | |
234 | USBDevice *dev = usb_create(bus, name); | |
2af2a1b8 GH |
235 | int rc; |
236 | ||
d44168ff | 237 | if (!dev) { |
be62a2eb | 238 | error_report("Failed to create USB device '%s'", name); |
2af2a1b8 GH |
239 | return NULL; |
240 | } | |
241 | rc = qdev_init(&dev->qdev); | |
242 | if (rc < 0) { | |
be62a2eb | 243 | error_report("Failed to initialize USB device '%s'", name); |
2af2a1b8 | 244 | return NULL; |
d44168ff | 245 | } |
a5d2f727 GH |
246 | return dev; |
247 | } | |
248 | ||
090ac642 HG |
249 | static void usb_fill_port(USBPort *port, void *opaque, int index, |
250 | USBPortOps *ops, int speedmask) | |
a5d2f727 | 251 | { |
0d86d2be GH |
252 | port->opaque = opaque; |
253 | port->index = index; | |
254 | port->ops = ops; | |
843d4e0c | 255 | port->speedmask = speedmask; |
3631e6c8 | 256 | usb_port_location(port, NULL, index + 1); |
090ac642 HG |
257 | } |
258 | ||
259 | void usb_register_port(USBBus *bus, USBPort *port, void *opaque, int index, | |
260 | USBPortOps *ops, int speedmask) | |
261 | { | |
262 | usb_fill_port(port, opaque, index, ops, speedmask); | |
72cf2d4f | 263 | QTAILQ_INSERT_TAIL(&bus->free, port, next); |
a5d2f727 GH |
264 | bus->nfree++; |
265 | } | |
266 | ||
ae60fea9 HG |
267 | int usb_register_companion(const char *masterbus, USBPort *ports[], |
268 | uint32_t portcount, uint32_t firstport, | |
269 | void *opaque, USBPortOps *ops, int speedmask) | |
270 | { | |
271 | USBBus *bus; | |
272 | int i; | |
273 | ||
274 | QTAILQ_FOREACH(bus, &busses, next) { | |
275 | if (strcmp(bus->qbus.name, masterbus) == 0) { | |
276 | break; | |
277 | } | |
278 | } | |
279 | ||
280 | if (!bus || !bus->ops->register_companion) { | |
281 | qerror_report(QERR_INVALID_PARAMETER_VALUE, "masterbus", | |
282 | "an USB masterbus"); | |
283 | if (bus) { | |
284 | error_printf_unless_qmp( | |
285 | "USB bus '%s' does not allow companion controllers\n", | |
286 | masterbus); | |
287 | } | |
288 | return -1; | |
289 | } | |
290 | ||
291 | for (i = 0; i < portcount; i++) { | |
292 | usb_fill_port(ports[i], opaque, i, ops, speedmask); | |
293 | } | |
294 | ||
295 | return bus->ops->register_companion(bus, ports, portcount, firstport); | |
296 | } | |
297 | ||
c7a2196a GH |
298 | void usb_port_location(USBPort *downstream, USBPort *upstream, int portnr) |
299 | { | |
300 | if (upstream) { | |
301 | snprintf(downstream->path, sizeof(downstream->path), "%s.%d", | |
302 | upstream->path, portnr); | |
303 | } else { | |
304 | snprintf(downstream->path, sizeof(downstream->path), "%d", portnr); | |
305 | } | |
306 | } | |
307 | ||
a8e662b5 GH |
308 | void usb_unregister_port(USBBus *bus, USBPort *port) |
309 | { | |
310 | if (port->dev) | |
311 | qdev_free(&port->dev->qdev); | |
312 | QTAILQ_REMOVE(&bus->free, port, next); | |
313 | bus->nfree--; | |
314 | } | |
315 | ||
891fb2cd | 316 | int usb_claim_port(USBDevice *dev) |
a5d2f727 GH |
317 | { |
318 | USBBus *bus = usb_bus_from_device(dev); | |
319 | USBPort *port; | |
320 | ||
891fb2cd GH |
321 | assert(dev->port == NULL); |
322 | ||
5f69076b GH |
323 | if (dev->port_path) { |
324 | QTAILQ_FOREACH(port, &bus->free, next) { | |
325 | if (strcmp(port->path, dev->port_path) == 0) { | |
326 | break; | |
327 | } | |
328 | } | |
329 | if (port == NULL) { | |
be62a2eb | 330 | error_report("Error: usb port %s (bus %s) not found (in use?)", |
891fb2cd | 331 | dev->port_path, bus->qbus.name); |
fa19bf83 | 332 | return -1; |
5f69076b GH |
333 | } |
334 | } else { | |
f79f2bfc | 335 | if (bus->nfree == 1 && strcmp(object_get_typename(OBJECT(dev)), "usb-hub") != 0) { |
891fb2cd GH |
336 | /* Create a new hub and chain it on */ |
337 | usb_create_simple(bus, "usb-hub"); | |
338 | } | |
339 | if (bus->nfree == 0) { | |
340 | error_report("Error: tried to attach usb device %s to a bus " | |
be62a2eb | 341 | "with no free ports", dev->product_desc); |
891fb2cd GH |
342 | return -1; |
343 | } | |
5f69076b GH |
344 | port = QTAILQ_FIRST(&bus->free); |
345 | } | |
891fb2cd | 346 | trace_usb_port_claim(bus->busnr, port->path); |
a5d2f727 | 347 | |
72cf2d4f | 348 | QTAILQ_REMOVE(&bus->free, port, next); |
a5d2f727 GH |
349 | bus->nfree--; |
350 | ||
891fb2cd GH |
351 | dev->port = port; |
352 | port->dev = dev; | |
a5d2f727 | 353 | |
72cf2d4f | 354 | QTAILQ_INSERT_TAIL(&bus->used, port, next); |
a5d2f727 | 355 | bus->nused++; |
fa19bf83 | 356 | return 0; |
a5d2f727 GH |
357 | } |
358 | ||
891fb2cd | 359 | void usb_release_port(USBDevice *dev) |
a5d2f727 GH |
360 | { |
361 | USBBus *bus = usb_bus_from_device(dev); | |
891fb2cd | 362 | USBPort *port = dev->port; |
a5d2f727 | 363 | |
891fb2cd GH |
364 | assert(port != NULL); |
365 | trace_usb_port_release(bus->busnr, port->path); | |
366 | ||
367 | QTAILQ_REMOVE(&bus->used, port, next); | |
368 | bus->nused--; | |
369 | ||
370 | dev->port = NULL; | |
371 | port->dev = NULL; | |
372 | ||
373 | QTAILQ_INSERT_TAIL(&bus->free, port, next); | |
374 | bus->nfree++; | |
a5d2f727 GH |
375 | } |
376 | ||
891fb2cd | 377 | int usb_device_attach(USBDevice *dev) |
a8e662b5 GH |
378 | { |
379 | USBBus *bus = usb_bus_from_device(dev); | |
891fb2cd | 380 | USBPort *port = dev->port; |
a8e662b5 | 381 | |
891fb2cd GH |
382 | assert(port != NULL); |
383 | assert(!dev->attached); | |
384 | trace_usb_port_attach(bus->busnr, port->path); | |
385 | ||
386 | if (!(port->speedmask & dev->speedmask)) { | |
387 | error_report("Warning: speed mismatch trying to attach " | |
be62a2eb | 388 | "usb device %s to bus %s", |
891fb2cd | 389 | dev->product_desc, bus->qbus.name); |
a8e662b5 GH |
390 | return -1; |
391 | } | |
a8e662b5 | 392 | |
891fb2cd GH |
393 | dev->attached++; |
394 | usb_attach(port); | |
a8e662b5 | 395 | |
891fb2cd GH |
396 | return 0; |
397 | } | |
398 | ||
399 | int usb_device_detach(USBDevice *dev) | |
400 | { | |
401 | USBBus *bus = usb_bus_from_device(dev); | |
402 | USBPort *port = dev->port; | |
a8e662b5 | 403 | |
891fb2cd GH |
404 | assert(port != NULL); |
405 | assert(dev->attached); | |
406 | trace_usb_port_detach(bus->busnr, port->path); | |
a8e662b5 | 407 | |
891fb2cd GH |
408 | usb_detach(port); |
409 | dev->attached--; | |
a8e662b5 GH |
410 | return 0; |
411 | } | |
412 | ||
a5d2f727 GH |
413 | int usb_device_delete_addr(int busnr, int addr) |
414 | { | |
415 | USBBus *bus; | |
416 | USBPort *port; | |
417 | USBDevice *dev; | |
418 | ||
419 | bus = usb_bus_find(busnr); | |
420 | if (!bus) | |
421 | return -1; | |
422 | ||
72cf2d4f | 423 | QTAILQ_FOREACH(port, &bus->used, next) { |
a5d2f727 GH |
424 | if (port->dev->addr == addr) |
425 | break; | |
426 | } | |
427 | if (!port) | |
428 | return -1; | |
a5d2f727 | 429 | dev = port->dev; |
a5d2f727 | 430 | |
a8e662b5 | 431 | qdev_free(&dev->qdev); |
a5d2f727 GH |
432 | return 0; |
433 | } | |
434 | ||
435 | static const char *usb_speed(unsigned int speed) | |
436 | { | |
437 | static const char *txt[] = { | |
438 | [ USB_SPEED_LOW ] = "1.5", | |
439 | [ USB_SPEED_FULL ] = "12", | |
440 | [ USB_SPEED_HIGH ] = "480", | |
290d26d2 | 441 | [ USB_SPEED_SUPER ] = "5000", |
a5d2f727 GH |
442 | }; |
443 | if (speed >= ARRAY_SIZE(txt)) | |
444 | return "?"; | |
445 | return txt[speed]; | |
446 | } | |
447 | ||
448 | static void usb_bus_dev_print(Monitor *mon, DeviceState *qdev, int indent) | |
449 | { | |
62aed765 | 450 | USBDevice *dev = USB_DEVICE(qdev); |
a5d2f727 GH |
451 | USBBus *bus = usb_bus_from_device(dev); |
452 | ||
c7a2196a | 453 | monitor_printf(mon, "%*saddr %d.%d, port %s, speed %s, name %s%s\n", |
66a6593a | 454 | indent, "", bus->busnr, dev->addr, |
c7a2196a | 455 | dev->port ? dev->port->path : "-", |
0fe6d12e | 456 | usb_speed(dev->speed), dev->product_desc, |
66a6593a | 457 | dev->attached ? ", attached" : ""); |
a5d2f727 GH |
458 | } |
459 | ||
c7a2196a GH |
460 | static char *usb_get_dev_path(DeviceState *qdev) |
461 | { | |
62aed765 | 462 | USBDevice *dev = USB_DEVICE(qdev); |
7267c094 | 463 | return g_strdup(dev->port->path); |
c7a2196a GH |
464 | } |
465 | ||
70d31cb2 GH |
466 | static char *usb_get_fw_dev_path(DeviceState *qdev) |
467 | { | |
62aed765 | 468 | USBDevice *dev = USB_DEVICE(qdev); |
70d31cb2 | 469 | char *fw_path, *in; |
ea87e95f | 470 | ssize_t pos = 0, fw_len; |
70d31cb2 GH |
471 | long nr; |
472 | ||
ea87e95f | 473 | fw_len = 32 + strlen(dev->port->path) * 6; |
7267c094 | 474 | fw_path = g_malloc(fw_len); |
70d31cb2 | 475 | in = dev->port->path; |
ea87e95f | 476 | while (fw_len - pos > 0) { |
70d31cb2 GH |
477 | nr = strtol(in, &in, 10); |
478 | if (in[0] == '.') { | |
479 | /* some hub between root port and device */ | |
ea87e95f | 480 | pos += snprintf(fw_path + pos, fw_len - pos, "hub@%ld/", nr); |
70d31cb2 GH |
481 | in++; |
482 | } else { | |
483 | /* the device itself */ | |
ea87e95f BS |
484 | pos += snprintf(fw_path + pos, fw_len - pos, "%s@%ld", |
485 | qdev_fw_name(qdev), nr); | |
70d31cb2 GH |
486 | break; |
487 | } | |
488 | } | |
489 | return fw_path; | |
490 | } | |
491 | ||
a5d2f727 GH |
492 | void usb_info(Monitor *mon) |
493 | { | |
494 | USBBus *bus; | |
495 | USBDevice *dev; | |
496 | USBPort *port; | |
497 | ||
72cf2d4f | 498 | if (QTAILQ_EMPTY(&busses)) { |
a5d2f727 GH |
499 | monitor_printf(mon, "USB support not enabled\n"); |
500 | return; | |
501 | } | |
502 | ||
72cf2d4f BS |
503 | QTAILQ_FOREACH(bus, &busses, next) { |
504 | QTAILQ_FOREACH(port, &bus->used, next) { | |
a5d2f727 GH |
505 | dev = port->dev; |
506 | if (!dev) | |
507 | continue; | |
c7a2196a GH |
508 | monitor_printf(mon, " Device %d.%d, Port %s, Speed %s Mb/s, Product %s\n", |
509 | bus->busnr, dev->addr, port->path, usb_speed(dev->speed), | |
0fe6d12e | 510 | dev->product_desc); |
a5d2f727 GH |
511 | } |
512 | } | |
513 | } | |
514 | ||
0958b4cc GH |
515 | /* handle legacy -usbdevice cmd line option */ |
516 | USBDevice *usbdevice_create(const char *cmdline) | |
517 | { | |
518 | USBBus *bus = usb_bus_find(-1 /* any */); | |
62aed765 AL |
519 | LegacyUSBFactory *f = NULL; |
520 | GSList *i; | |
702f3e0f JK |
521 | char driver[32]; |
522 | const char *params; | |
0958b4cc GH |
523 | int len; |
524 | ||
525 | params = strchr(cmdline,':'); | |
526 | if (params) { | |
527 | params++; | |
528 | len = params - cmdline; | |
529 | if (len > sizeof(driver)) | |
530 | len = sizeof(driver); | |
531 | pstrcpy(driver, len, cmdline); | |
532 | } else { | |
702f3e0f | 533 | params = ""; |
0958b4cc GH |
534 | pstrcpy(driver, sizeof(driver), cmdline); |
535 | } | |
536 | ||
62aed765 AL |
537 | for (i = legacy_usb_factory; i; i = i->next) { |
538 | f = i->data; | |
539 | if (strcmp(f->usbdevice_name, driver) == 0) { | |
540 | break; | |
541 | } | |
0958b4cc | 542 | } |
62aed765 | 543 | if (i == NULL) { |
0958b4cc GH |
544 | #if 0 |
545 | /* no error because some drivers are not converted (yet) */ | |
1ecda02b | 546 | error_report("usbdevice %s not found", driver); |
0958b4cc GH |
547 | #endif |
548 | return NULL; | |
549 | } | |
550 | ||
62aed765 | 551 | if (!f->usbdevice_init) { |
98f22dc1 | 552 | if (*params) { |
1ecda02b | 553 | error_report("usbdevice %s accepts no params", driver); |
0958b4cc GH |
554 | return NULL; |
555 | } | |
62aed765 | 556 | return usb_create_simple(bus, f->name); |
0958b4cc | 557 | } |
3741715c | 558 | return f->usbdevice_init(bus, params); |
0958b4cc | 559 | } |
62aed765 | 560 | |
39bffca2 AL |
561 | static void usb_device_class_init(ObjectClass *klass, void *data) |
562 | { | |
563 | DeviceClass *k = DEVICE_CLASS(klass); | |
564 | k->bus_info = &usb_bus_info; | |
565 | k->init = usb_qdev_init; | |
566 | k->unplug = qdev_simple_unplug_cb; | |
567 | k->exit = usb_qdev_exit; | |
568 | } | |
569 | ||
62aed765 AL |
570 | static TypeInfo usb_device_type_info = { |
571 | .name = TYPE_USB_DEVICE, | |
572 | .parent = TYPE_DEVICE, | |
573 | .instance_size = sizeof(USBDevice), | |
574 | .abstract = true, | |
575 | .class_size = sizeof(USBDeviceClass), | |
39bffca2 | 576 | .class_init = usb_device_class_init, |
62aed765 AL |
577 | }; |
578 | ||
83f7d43a | 579 | static void usb_register_types(void) |
62aed765 AL |
580 | { |
581 | type_register_static(&usb_device_type_info); | |
582 | } | |
583 | ||
83f7d43a | 584 | type_init(usb_register_types) |