blob: 5f39e1e3acbb6855bf8e42690341c06abd792c31 [file] [log] [blame]
Gerd Hoffmannf1ae32a2012-03-07 14:55:18 +01001#include "hw/hw.h"
2#include "hw/usb.h"
3#include "hw/qdev.h"
Markus Armbrusterd49b6832015-03-17 18:29:20 +01004#include "qemu/error-report.h"
Paolo Bonzini9c17d612012-12-17 18:20:04 +01005#include "sysemu/sysemu.h"
Paolo Bonzini83c90892012-12-17 18:19:49 +01006#include "monitor/monitor.h"
Gerd Hoffmann891fb2c2011-09-01 13:56:37 +02007#include "trace.h"
Gerd Hoffmanna5d2f722009-08-31 14:24:00 +02008
9static void usb_bus_dev_print(Monitor *mon, DeviceState *qdev, int indent);
Gerd Hoffmannc7a21962010-12-10 11:37:45 +010010
11static char *usb_get_dev_path(DeviceState *dev);
Gerd Hoffmann70d31cb2011-01-12 10:58:27 +010012static char *usb_get_fw_dev_path(DeviceState *qdev);
Gonglei7d553f22014-09-19 14:48:24 +080013static void usb_qdev_unrealize(DeviceState *qdev, Error **errp);
Gerd Hoffmann806b6022009-08-31 14:23:59 +020014
Paolo Bonzini3cb75a72012-03-28 18:01:36 +020015static Property usb_props[] = {
16 DEFINE_PROP_STRING("port", USBDevice, port_path),
Gerd Hoffmann71938a02013-06-12 13:01:49 +020017 DEFINE_PROP_STRING("serial", USBDevice, serial),
Paolo Bonzini3cb75a72012-03-28 18:01:36 +020018 DEFINE_PROP_BIT("full-path", USBDevice, flags,
19 USB_DEV_FLAG_FULL_PATH, true),
Gerd Hoffmann5319dc72013-11-20 07:32:31 +010020 DEFINE_PROP_BIT("msos-desc", USBDevice, flags,
21 USB_DEV_FLAG_MSOS_DESC_ENABLE, true),
Paolo Bonzini3cb75a72012-03-28 18:01:36 +020022 DEFINE_PROP_END_OF_LIST()
23};
24
Anthony Liguori0d936922012-05-02 09:00:20 +020025static void usb_bus_class_init(ObjectClass *klass, void *data)
26{
27 BusClass *k = BUS_CLASS(klass);
Igor Mammedov5f4d9172014-09-26 09:28:39 +000028 HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(klass);
Anthony Liguori0d936922012-05-02 09:00:20 +020029
30 k->print_dev = usb_bus_dev_print;
31 k->get_dev_path = usb_get_dev_path;
32 k->get_fw_dev_path = usb_get_fw_dev_path;
Igor Mammedov5f4d9172014-09-26 09:28:39 +000033 hc->unplug = qdev_simple_device_unplug_cb;
Anthony Liguori0d936922012-05-02 09:00:20 +020034}
35
36static const TypeInfo usb_bus_info = {
37 .name = TYPE_USB_BUS,
38 .parent = TYPE_BUS,
39 .instance_size = sizeof(USBBus),
40 .class_init = usb_bus_class_init,
Igor Mammedov5f4d9172014-09-26 09:28:39 +000041 .interfaces = (InterfaceInfo[]) {
42 { TYPE_HOTPLUG_HANDLER },
43 { }
44 }
Gerd Hoffmann806b6022009-08-31 14:23:59 +020045};
Paolo Bonzini3cb75a72012-03-28 18:01:36 +020046
Gerd Hoffmann806b6022009-08-31 14:23:59 +020047static int next_usb_bus = 0;
Blue Swirl72cf2d42009-09-12 07:36:22 +000048static QTAILQ_HEAD(, USBBus) busses = QTAILQ_HEAD_INITIALIZER(busses);
Gerd Hoffmann806b6022009-08-31 14:23:59 +020049
Gerd Hoffmann495d5442012-06-08 12:58:46 +020050static int usb_device_post_load(void *opaque, int version_id)
51{
52 USBDevice *dev = opaque;
53
54 if (dev->state == USB_STATE_NOTATTACHED) {
55 dev->attached = 0;
56 } else {
57 dev->attached = 1;
58 }
Michael S. Tsirkin9f8e9892014-04-03 19:52:25 +030059 if (dev->setup_index < 0 ||
60 dev->setup_len < 0 ||
Michael S. Tsirkin719ffe12014-05-13 12:33:16 +030061 dev->setup_index > dev->setup_len ||
62 dev->setup_len > sizeof(dev->data_buf)) {
Gerd Hoffmannc60174e2013-08-28 17:09:30 +020063 return -EINVAL;
64 }
Gerd Hoffmann495d5442012-06-08 12:58:46 +020065 return 0;
66}
67
Gerd Hoffmannc1ecb402010-12-10 14:20:46 +010068const VMStateDescription vmstate_usb_device = {
69 .name = "USBDevice",
70 .version_id = 1,
71 .minimum_version_id = 1,
Gerd Hoffmann495d5442012-06-08 12:58:46 +020072 .post_load = usb_device_post_load,
Juan Quintela6e3d6522014-04-16 13:31:26 +020073 .fields = (VMStateField[]) {
Gerd Hoffmannc1ecb402010-12-10 14:20:46 +010074 VMSTATE_UINT8(addr, USBDevice),
75 VMSTATE_INT32(state, USBDevice),
76 VMSTATE_INT32(remote_wakeup, USBDevice),
77 VMSTATE_INT32(setup_state, USBDevice),
78 VMSTATE_INT32(setup_len, USBDevice),
79 VMSTATE_INT32(setup_index, USBDevice),
80 VMSTATE_UINT8_ARRAY(setup_buf, USBDevice, 8),
81 VMSTATE_END_OF_LIST(),
82 }
83};
84
Andreas Färberc889b3a2013-08-23 20:32:04 +020085void usb_bus_new(USBBus *bus, size_t bus_size,
86 USBBusOps *ops, DeviceState *host)
Gerd Hoffmann806b6022009-08-31 14:23:59 +020087{
Andreas Färberfb17dfe2013-08-24 00:02:27 +020088 qbus_create_inplace(bus, bus_size, TYPE_USB_BUS, host, NULL);
Igor Mammedov5f4d9172014-09-26 09:28:39 +000089 qbus_set_bus_hotplug_handler(BUS(bus), &error_abort);
Gerd Hoffmann07771f62011-05-23 17:37:12 +020090 bus->ops = ops;
Gerd Hoffmann806b6022009-08-31 14:23:59 +020091 bus->busnr = next_usb_bus++;
Blue Swirl72cf2d42009-09-12 07:36:22 +000092 QTAILQ_INIT(&bus->free);
93 QTAILQ_INIT(&bus->used);
94 QTAILQ_INSERT_TAIL(&busses, bus, next);
Gerd Hoffmann806b6022009-08-31 14:23:59 +020095}
96
Gongleie5a9bec2014-06-04 16:31:46 +080097void usb_bus_release(USBBus *bus)
98{
99 assert(next_usb_bus > 0);
100
101 QTAILQ_REMOVE(&busses, bus, next);
102}
103
Gerd Hoffmann806b6022009-08-31 14:23:59 +0200104USBBus *usb_bus_find(int busnr)
105{
106 USBBus *bus;
107
108 if (-1 == busnr)
Blue Swirl72cf2d42009-09-12 07:36:22 +0000109 return QTAILQ_FIRST(&busses);
110 QTAILQ_FOREACH(bus, &busses, next) {
Gerd Hoffmann806b6022009-08-31 14:23:59 +0200111 if (bus->busnr == busnr)
112 return bus;
113 }
114 return NULL;
115}
116
Gonglei7d553f22014-09-19 14:48:24 +0800117static void usb_device_realize(USBDevice *dev, Error **errp)
Anthony Liguori62aed762011-12-15 14:53:10 -0600118{
119 USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
Gonglei7d553f22014-09-19 14:48:24 +0800120
121 if (klass->realize) {
122 klass->realize(dev, errp);
Anthony Liguori62aed762011-12-15 14:53:10 -0600123 }
Anthony Liguori62aed762011-12-15 14:53:10 -0600124}
125
Gerd Hoffmann73796fe2012-01-10 16:59:28 +0100126USBDevice *usb_device_find_device(USBDevice *dev, uint8_t addr)
127{
128 USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
129 if (klass->find_device) {
130 return klass->find_device(dev, addr);
131 }
132 return NULL;
133}
134
Anthony Liguori62aed762011-12-15 14:53:10 -0600135static void usb_device_handle_destroy(USBDevice *dev)
136{
137 USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
138 if (klass->handle_destroy) {
139 klass->handle_destroy(dev);
140 }
141}
142
Anthony Liguori62aed762011-12-15 14:53:10 -0600143void usb_device_cancel_packet(USBDevice *dev, USBPacket *p)
144{
145 USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
146 if (klass->cancel_packet) {
147 klass->cancel_packet(dev, p);
148 }
149}
150
151void usb_device_handle_attach(USBDevice *dev)
152{
153 USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
154 if (klass->handle_attach) {
155 klass->handle_attach(dev);
156 }
157}
158
159void usb_device_handle_reset(USBDevice *dev)
160{
161 USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
162 if (klass->handle_reset) {
163 klass->handle_reset(dev);
164 }
165}
166
Hans de Goede9a77a0f2012-11-01 17:15:01 +0100167void usb_device_handle_control(USBDevice *dev, USBPacket *p, int request,
168 int value, int index, int length, uint8_t *data)
Anthony Liguori62aed762011-12-15 14:53:10 -0600169{
170 USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
171 if (klass->handle_control) {
Hans de Goede9a77a0f2012-11-01 17:15:01 +0100172 klass->handle_control(dev, p, request, value, index, length, data);
Anthony Liguori62aed762011-12-15 14:53:10 -0600173 }
Anthony Liguori62aed762011-12-15 14:53:10 -0600174}
175
Hans de Goede9a77a0f2012-11-01 17:15:01 +0100176void usb_device_handle_data(USBDevice *dev, USBPacket *p)
Anthony Liguori62aed762011-12-15 14:53:10 -0600177{
178 USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
179 if (klass->handle_data) {
Hans de Goede9a77a0f2012-11-01 17:15:01 +0100180 klass->handle_data(dev, p);
Anthony Liguori62aed762011-12-15 14:53:10 -0600181 }
Anthony Liguori62aed762011-12-15 14:53:10 -0600182}
183
184const char *usb_device_get_product_desc(USBDevice *dev)
185{
186 USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
187 return klass->product_desc;
188}
189
190const USBDesc *usb_device_get_usb_desc(USBDevice *dev)
191{
192 USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
Hans de Goede386ab482012-11-17 12:47:16 +0100193 if (dev->usb_desc) {
194 return dev->usb_desc;
195 }
Anthony Liguori62aed762011-12-15 14:53:10 -0600196 return klass->usb_desc;
197}
198
199void usb_device_set_interface(USBDevice *dev, int interface,
200 int alt_old, int alt_new)
201{
202 USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
203 if (klass->set_interface) {
204 klass->set_interface(dev, interface, alt_old, alt_new);
205 }
206}
207
Hans de Goede36dfe322012-10-24 18:14:07 +0200208void usb_device_flush_ep_queue(USBDevice *dev, USBEndpoint *ep)
209{
210 USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
211 if (klass->flush_ep_queue) {
212 klass->flush_ep_queue(dev, ep);
213 }
214}
215
Hans de Goedef79738b2012-12-14 14:35:40 +0100216void usb_device_ep_stopped(USBDevice *dev, USBEndpoint *ep)
217{
218 USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
219 if (klass->ep_stopped) {
220 klass->ep_stopped(dev, ep);
221 }
222}
223
Hans de Goede3b444ea2013-11-19 14:36:57 +0100224int usb_device_alloc_streams(USBDevice *dev, USBEndpoint **eps, int nr_eps,
225 int streams)
226{
227 USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
228 if (klass->alloc_streams) {
229 return klass->alloc_streams(dev, eps, nr_eps, streams);
230 }
231 return 0;
232}
233
234void usb_device_free_streams(USBDevice *dev, USBEndpoint **eps, int nr_eps)
235{
236 USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
237 if (klass->free_streams) {
238 klass->free_streams(dev, eps, nr_eps);
239 }
240}
241
Gonglei7d553f22014-09-19 14:48:24 +0800242static void usb_qdev_realize(DeviceState *qdev, Error **errp)
Gerd Hoffmann806b6022009-08-31 14:23:59 +0200243{
Anthony Liguori62aed762011-12-15 14:53:10 -0600244 USBDevice *dev = USB_DEVICE(qdev);
Gonglei7d553f22014-09-19 14:48:24 +0800245 Error *local_err = NULL;
Gerd Hoffmann806b6022009-08-31 14:23:59 +0200246
Anthony Liguori62aed762011-12-15 14:53:10 -0600247 pstrcpy(dev->product_desc, sizeof(dev->product_desc),
248 usb_device_get_product_desc(dev));
Gerd Hoffmann61e094c2009-10-26 15:56:48 +0100249 dev->auto_attach = 1;
Gerd Hoffmann132a3f52010-11-26 12:25:32 +0100250 QLIST_INIT(&dev->strings);
Gerd Hoffmannd8e17ef2011-08-29 12:49:46 +0200251 usb_ep_init(dev);
Gonglei7d553f22014-09-19 14:48:24 +0800252
253 usb_claim_port(dev, &local_err);
254 if (local_err) {
255 error_propagate(errp, local_err);
256 return;
Gerd Hoffmann891fb2c2011-09-01 13:56:37 +0200257 }
Gonglei7d553f22014-09-19 14:48:24 +0800258
259 usb_device_realize(dev, &local_err);
260 if (local_err) {
Stefan Hajnoczidb3a5ed2011-12-15 10:05:18 +0000261 usb_release_port(dev);
Gonglei7d553f22014-09-19 14:48:24 +0800262 error_propagate(errp, local_err);
263 return;
Gerd Hoffmannf4621412011-11-22 12:48:14 +0100264 }
Gonglei7d553f22014-09-19 14:48:24 +0800265
Gerd Hoffmannf4621412011-11-22 12:48:14 +0100266 if (dev->auto_attach) {
Gonglei7d553f22014-09-19 14:48:24 +0800267 usb_device_attach(dev, &local_err);
268 if (local_err) {
269 usb_qdev_unrealize(qdev, NULL);
270 error_propagate(errp, local_err);
271 return;
Gerd Hoffmannf4621412011-11-22 12:48:14 +0100272 }
Gerd Hoffmann891fb2c2011-09-01 13:56:37 +0200273 }
Gerd Hoffmann806b6022009-08-31 14:23:59 +0200274}
275
Gonglei7d553f22014-09-19 14:48:24 +0800276static void usb_qdev_unrealize(DeviceState *qdev, Error **errp)
Gerd Hoffmanna8e662b2009-09-25 21:42:39 +0200277{
Anthony Liguori62aed762011-12-15 14:53:10 -0600278 USBDevice *dev = USB_DEVICE(qdev);
Gerd Hoffmanna8e662b2009-09-25 21:42:39 +0200279
Hans de Goede290a5c62011-05-31 11:35:29 +0200280 if (dev->attached) {
281 usb_device_detach(dev);
282 }
Anthony Liguori62aed762011-12-15 14:53:10 -0600283 usb_device_handle_destroy(dev);
Gerd Hoffmann891fb2c2011-09-01 13:56:37 +0200284 if (dev->port) {
285 usb_release_port(dev);
286 }
Gerd Hoffmanna8e662b2009-09-25 21:42:39 +0200287}
288
Anthony Liguori62aed762011-12-15 14:53:10 -0600289typedef struct LegacyUSBFactory
Gerd Hoffmann806b6022009-08-31 14:23:59 +0200290{
Anthony Liguori62aed762011-12-15 14:53:10 -0600291 const char *name;
292 const char *usbdevice_name;
Jan Kiszka37417152012-02-27 15:18:47 +0100293 USBDevice *(*usbdevice_init)(USBBus *bus, const char *params);
Anthony Liguori62aed762011-12-15 14:53:10 -0600294} LegacyUSBFactory;
Gerd Hoffmann806b6022009-08-31 14:23:59 +0200295
Anthony Liguori62aed762011-12-15 14:53:10 -0600296static GSList *legacy_usb_factory;
297
Anthony Liguoriba024302011-12-08 14:56:53 -0600298void usb_legacy_register(const char *typename, const char *usbdevice_name,
Jan Kiszka37417152012-02-27 15:18:47 +0100299 USBDevice *(*usbdevice_init)(USBBus *bus,
300 const char *params))
Anthony Liguoriba024302011-12-08 14:56:53 -0600301{
302 if (usbdevice_name) {
303 LegacyUSBFactory *f = g_malloc0(sizeof(*f));
304 f->name = typename;
305 f->usbdevice_name = usbdevice_name;
306 f->usbdevice_init = usbdevice_init;
307 legacy_usb_factory = g_slist_append(legacy_usb_factory, f);
308 }
309}
310
Gerd Hoffmanna5d2f722009-08-31 14:24:00 +0200311USBDevice *usb_create(USBBus *bus, const char *name)
Gerd Hoffmann806b6022009-08-31 14:23:59 +0200312{
313 DeviceState *dev;
314
Gerd Hoffmann806b6022009-08-31 14:23:59 +0200315 dev = qdev_create(&bus->qbus, name);
Anthony Liguori62aed762011-12-15 14:53:10 -0600316 return USB_DEVICE(dev);
Gerd Hoffmann806b6022009-08-31 14:23:59 +0200317}
Gerd Hoffmanna5d2f722009-08-31 14:24:00 +0200318
Markus Armbrusterbd8b92d2015-02-04 13:28:11 +0100319static USBDevice *usb_try_create_simple(USBBus *bus, const char *name,
320 Error **errp)
321{
322 Error *err = NULL;
323 USBDevice *dev;
324
325 dev = USB_DEVICE(qdev_try_create(&bus->qbus, name));
326 if (!dev) {
327 error_setg(errp, "Failed to create USB device '%s'", name);
328 return NULL;
329 }
330 object_property_set_bool(OBJECT(dev), true, "realized", &err);
331 if (err) {
332 error_setg(errp, "Failed to initialize USB device '%s': %s",
333 name, error_get_pretty(err));
334 error_free(err);
335 object_unparent(OBJECT(dev));
336 return NULL;
337 }
338 return dev;
339}
340
Gerd Hoffmanna5d2f722009-08-31 14:24:00 +0200341USBDevice *usb_create_simple(USBBus *bus, const char *name)
342{
Markus Armbruster599655c2015-02-04 13:28:12 +0100343 return usb_try_create_simple(bus, name, &error_abort);
Gerd Hoffmanna5d2f722009-08-31 14:24:00 +0200344}
345
Hans de Goede090ac642011-06-30 11:57:57 +0200346static void usb_fill_port(USBPort *port, void *opaque, int index,
347 USBPortOps *ops, int speedmask)
Gerd Hoffmanna5d2f722009-08-31 14:24:00 +0200348{
349 port->opaque = opaque;
350 port->index = index;
Gerd Hoffmann0d86d2b2010-12-01 11:08:44 +0100351 port->ops = ops;
Gerd Hoffmann843d4e02010-12-03 17:30:13 +0100352 port->speedmask = speedmask;
Hans de Goede3631e6c2011-06-30 12:05:19 +0200353 usb_port_location(port, NULL, index + 1);
Hans de Goede090ac642011-06-30 11:57:57 +0200354}
355
356void usb_register_port(USBBus *bus, USBPort *port, void *opaque, int index,
357 USBPortOps *ops, int speedmask)
358{
359 usb_fill_port(port, opaque, index, ops, speedmask);
Blue Swirl72cf2d42009-09-12 07:36:22 +0000360 QTAILQ_INSERT_TAIL(&bus->free, port, next);
Gerd Hoffmanna5d2f722009-08-31 14:24:00 +0200361 bus->nfree++;
362}
363
Markus Armbrusterf4bbaaf2015-02-17 14:28:02 +0100364void usb_register_companion(const char *masterbus, USBPort *ports[],
365 uint32_t portcount, uint32_t firstport,
366 void *opaque, USBPortOps *ops, int speedmask,
367 Error **errp)
Hans de Goedeae60fea2011-06-24 11:29:56 +0200368{
369 USBBus *bus;
370 int i;
371
372 QTAILQ_FOREACH(bus, &busses, next) {
373 if (strcmp(bus->qbus.name, masterbus) == 0) {
374 break;
375 }
376 }
377
Markus Armbruster2e269f32015-02-17 14:28:03 +0100378 if (!bus) {
379 error_setg(errp, "USB bus '%s' not found", masterbus);
380 return;
381 }
382 if (!bus->ops->register_companion) {
383 error_setg(errp, "Can't use USB bus '%s' as masterbus,"
384 " it doesn't support companion controllers",
385 masterbus);
Markus Armbrusterf4bbaaf2015-02-17 14:28:02 +0100386 return;
Hans de Goedeae60fea2011-06-24 11:29:56 +0200387 }
388
389 for (i = 0; i < portcount; i++) {
390 usb_fill_port(ports[i], opaque, i, ops, speedmask);
391 }
392
Markus Armbrusterf4bbaaf2015-02-17 14:28:02 +0100393 bus->ops->register_companion(bus, ports, portcount, firstport, errp);
Hans de Goedeae60fea2011-06-24 11:29:56 +0200394}
395
Gerd Hoffmannc7a21962010-12-10 11:37:45 +0100396void usb_port_location(USBPort *downstream, USBPort *upstream, int portnr)
397{
398 if (upstream) {
399 snprintf(downstream->path, sizeof(downstream->path), "%s.%d",
400 upstream->path, portnr);
Gerd Hoffmannc24e4aa2013-03-20 11:40:02 +0100401 downstream->hubcount = upstream->hubcount + 1;
Gerd Hoffmannc7a21962010-12-10 11:37:45 +0100402 } else {
403 snprintf(downstream->path, sizeof(downstream->path), "%d", portnr);
Gerd Hoffmannc24e4aa2013-03-20 11:40:02 +0100404 downstream->hubcount = 0;
Gerd Hoffmannc7a21962010-12-10 11:37:45 +0100405 }
406}
407
Gerd Hoffmanna8e662b2009-09-25 21:42:39 +0200408void usb_unregister_port(USBBus *bus, USBPort *port)
409{
Stefan Hajnoczi02a5c4c2013-09-11 14:54:09 +0200410 if (port->dev) {
411 object_unparent(OBJECT(port->dev));
412 }
Gerd Hoffmanna8e662b2009-09-25 21:42:39 +0200413 QTAILQ_REMOVE(&bus->free, port, next);
414 bus->nfree--;
415}
416
Gonglei7d553f22014-09-19 14:48:24 +0800417void usb_claim_port(USBDevice *dev, Error **errp)
Gerd Hoffmanna5d2f722009-08-31 14:24:00 +0200418{
419 USBBus *bus = usb_bus_from_device(dev);
420 USBPort *port;
421
Gerd Hoffmann891fb2c2011-09-01 13:56:37 +0200422 assert(dev->port == NULL);
423
Gerd Hoffmann5f690762010-12-10 11:43:35 +0100424 if (dev->port_path) {
425 QTAILQ_FOREACH(port, &bus->free, next) {
426 if (strcmp(port->path, dev->port_path) == 0) {
427 break;
428 }
429 }
430 if (port == NULL) {
Markus Armbruster06f22eb2015-02-04 13:28:10 +0100431 error_setg(errp, "usb port %s (bus %s) not found (in use?)",
Gonglei7d553f22014-09-19 14:48:24 +0800432 dev->port_path, bus->qbus.name);
433 return;
Gerd Hoffmann5f690762010-12-10 11:43:35 +0100434 }
435 } else {
Anthony Liguorif79f2bf2011-12-04 11:17:51 -0600436 if (bus->nfree == 1 && strcmp(object_get_typename(OBJECT(dev)), "usb-hub") != 0) {
Gerd Hoffmann891fb2c2011-09-01 13:56:37 +0200437 /* Create a new hub and chain it on */
Markus Armbrusterbd8b92d2015-02-04 13:28:11 +0100438 usb_try_create_simple(bus, "usb-hub", NULL);
Gerd Hoffmann891fb2c2011-09-01 13:56:37 +0200439 }
440 if (bus->nfree == 0) {
Markus Armbruster06f22eb2015-02-04 13:28:10 +0100441 error_setg(errp, "tried to attach usb device %s to a bus "
Gonglei7d553f22014-09-19 14:48:24 +0800442 "with no free ports", dev->product_desc);
443 return;
Gerd Hoffmann891fb2c2011-09-01 13:56:37 +0200444 }
Gerd Hoffmann5f690762010-12-10 11:43:35 +0100445 port = QTAILQ_FIRST(&bus->free);
446 }
Gerd Hoffmann891fb2c2011-09-01 13:56:37 +0200447 trace_usb_port_claim(bus->busnr, port->path);
Gerd Hoffmanna5d2f722009-08-31 14:24:00 +0200448
Blue Swirl72cf2d42009-09-12 07:36:22 +0000449 QTAILQ_REMOVE(&bus->free, port, next);
Gerd Hoffmanna5d2f722009-08-31 14:24:00 +0200450 bus->nfree--;
451
Gerd Hoffmann891fb2c2011-09-01 13:56:37 +0200452 dev->port = port;
453 port->dev = dev;
Gerd Hoffmanna5d2f722009-08-31 14:24:00 +0200454
Blue Swirl72cf2d42009-09-12 07:36:22 +0000455 QTAILQ_INSERT_TAIL(&bus->used, port, next);
Gerd Hoffmanna5d2f722009-08-31 14:24:00 +0200456 bus->nused++;
457}
458
Gerd Hoffmann891fb2c2011-09-01 13:56:37 +0200459void usb_release_port(USBDevice *dev)
460{
461 USBBus *bus = usb_bus_from_device(dev);
462 USBPort *port = dev->port;
463
464 assert(port != NULL);
465 trace_usb_port_release(bus->busnr, port->path);
466
467 QTAILQ_REMOVE(&bus->used, port, next);
468 bus->nused--;
469
470 dev->port = NULL;
471 port->dev = NULL;
472
473 QTAILQ_INSERT_TAIL(&bus->free, port, next);
474 bus->nfree++;
475}
476
Gerd Hoffmann3b7e7592013-04-18 11:57:21 +0200477static void usb_mask_to_str(char *dest, size_t size,
478 unsigned int speedmask)
479{
480 static const struct {
481 unsigned int mask;
482 const char *name;
483 } speeds[] = {
484 { .mask = USB_SPEED_MASK_FULL, .name = "full" },
485 { .mask = USB_SPEED_MASK_HIGH, .name = "high" },
486 { .mask = USB_SPEED_MASK_SUPER, .name = "super" },
487 };
488 int i, pos = 0;
489
490 for (i = 0; i < ARRAY_SIZE(speeds); i++) {
491 if (speeds[i].mask & speedmask) {
492 pos += snprintf(dest + pos, size - pos, "%s%s",
493 pos ? "+" : "",
494 speeds[i].name);
495 }
496 }
497}
498
Gonglei594a5362014-09-19 15:25:20 +0800499void usb_check_attach(USBDevice *dev, Error **errp)
Gerd Hoffmanna5d2f722009-08-31 14:24:00 +0200500{
501 USBBus *bus = usb_bus_from_device(dev);
Gerd Hoffmann891fb2c2011-09-01 13:56:37 +0200502 USBPort *port = dev->port;
Gerd Hoffmann3b7e7592013-04-18 11:57:21 +0200503 char devspeed[32], portspeed[32];
Gerd Hoffmanna5d2f722009-08-31 14:24:00 +0200504
Gerd Hoffmann891fb2c2011-09-01 13:56:37 +0200505 assert(port != NULL);
506 assert(!dev->attached);
Gerd Hoffmann3b7e7592013-04-18 11:57:21 +0200507 usb_mask_to_str(devspeed, sizeof(devspeed), dev->speedmask);
508 usb_mask_to_str(portspeed, sizeof(portspeed), port->speedmask);
509 trace_usb_port_attach(bus->busnr, port->path,
510 devspeed, portspeed);
Gerd Hoffmann891fb2c2011-09-01 13:56:37 +0200511
512 if (!(port->speedmask & dev->speedmask)) {
Gonglei7d553f22014-09-19 14:48:24 +0800513 error_setg(errp, "Warning: speed mismatch trying to attach"
514 " usb device \"%s\" (%s speed)"
515 " to bus \"%s\", port \"%s\" (%s speed)",
516 dev->product_desc, devspeed,
517 bus->qbus.name, port->path, portspeed);
518 return;
Gerd Hoffmanna5d2f722009-08-31 14:24:00 +0200519 }
Gonglei594a5362014-09-19 15:25:20 +0800520}
521
522void usb_device_attach(USBDevice *dev, Error **errp)
523{
524 USBPort *port = dev->port;
525 Error *local_err = NULL;
526
527 usb_check_attach(dev, &local_err);
528 if (local_err) {
529 error_propagate(errp, local_err);
530 return;
531 }
Gerd Hoffmann891fb2c2011-09-01 13:56:37 +0200532
533 dev->attached++;
534 usb_attach(port);
Gerd Hoffmanna5d2f722009-08-31 14:24:00 +0200535}
536
Gerd Hoffmanna8e662b2009-09-25 21:42:39 +0200537int usb_device_detach(USBDevice *dev)
538{
539 USBBus *bus = usb_bus_from_device(dev);
Gerd Hoffmann891fb2c2011-09-01 13:56:37 +0200540 USBPort *port = dev->port;
Gerd Hoffmanna8e662b2009-09-25 21:42:39 +0200541
Gerd Hoffmanna8e662b2009-09-25 21:42:39 +0200542 assert(port != NULL);
Gerd Hoffmann891fb2c2011-09-01 13:56:37 +0200543 assert(dev->attached);
544 trace_usb_port_detach(bus->busnr, port->path);
Gerd Hoffmanna8e662b2009-09-25 21:42:39 +0200545
Gerd Hoffmann891fb2c2011-09-01 13:56:37 +0200546 usb_detach(port);
547 dev->attached--;
Gerd Hoffmanna8e662b2009-09-25 21:42:39 +0200548 return 0;
549}
550
Gerd Hoffmanna5d2f722009-08-31 14:24:00 +0200551int usb_device_delete_addr(int busnr, int addr)
552{
553 USBBus *bus;
554 USBPort *port;
555 USBDevice *dev;
556
557 bus = usb_bus_find(busnr);
558 if (!bus)
559 return -1;
560
Blue Swirl72cf2d42009-09-12 07:36:22 +0000561 QTAILQ_FOREACH(port, &bus->used, next) {
Gerd Hoffmanna5d2f722009-08-31 14:24:00 +0200562 if (port->dev->addr == addr)
563 break;
564 }
565 if (!port)
566 return -1;
Gerd Hoffmanna5d2f722009-08-31 14:24:00 +0200567 dev = port->dev;
Gerd Hoffmanna5d2f722009-08-31 14:24:00 +0200568
Stefan Hajnoczi02a5c4c2013-09-11 14:54:09 +0200569 object_unparent(OBJECT(dev));
Gerd Hoffmanna5d2f722009-08-31 14:24:00 +0200570 return 0;
571}
572
573static const char *usb_speed(unsigned int speed)
574{
575 static const char *txt[] = {
576 [ USB_SPEED_LOW ] = "1.5",
577 [ USB_SPEED_FULL ] = "12",
578 [ USB_SPEED_HIGH ] = "480",
Hans de Goede290d26d2011-05-31 11:35:27 +0200579 [ USB_SPEED_SUPER ] = "5000",
Gerd Hoffmanna5d2f722009-08-31 14:24:00 +0200580 };
581 if (speed >= ARRAY_SIZE(txt))
582 return "?";
583 return txt[speed];
584}
585
586static void usb_bus_dev_print(Monitor *mon, DeviceState *qdev, int indent)
587{
Anthony Liguori62aed762011-12-15 14:53:10 -0600588 USBDevice *dev = USB_DEVICE(qdev);
Gerd Hoffmanna5d2f722009-08-31 14:24:00 +0200589 USBBus *bus = usb_bus_from_device(dev);
590
Gerd Hoffmannc7a21962010-12-10 11:37:45 +0100591 monitor_printf(mon, "%*saddr %d.%d, port %s, speed %s, name %s%s\n",
Gerd Hoffmann66a65932009-10-26 15:56:51 +0100592 indent, "", bus->busnr, dev->addr,
Gerd Hoffmannc7a21962010-12-10 11:37:45 +0100593 dev->port ? dev->port->path : "-",
Markus Armbruster0fe6d122009-12-09 17:07:51 +0100594 usb_speed(dev->speed), dev->product_desc,
Gerd Hoffmann66a65932009-10-26 15:56:51 +0100595 dev->attached ? ", attached" : "");
Gerd Hoffmanna5d2f722009-08-31 14:24:00 +0200596}
597
Gerd Hoffmannc7a21962010-12-10 11:37:45 +0100598static char *usb_get_dev_path(DeviceState *qdev)
599{
Anthony Liguori62aed762011-12-15 14:53:10 -0600600 USBDevice *dev = USB_DEVICE(qdev);
Gerd Hoffmanneeb0cf92011-08-22 09:09:51 +0200601 DeviceState *hcd = qdev->parent_bus->parent;
602 char *id = NULL;
603
Anthony Liguori09e5ab62012-02-03 12:28:43 -0600604 if (dev->flags & (1 << USB_DEV_FLAG_FULL_PATH)) {
605 id = qdev_get_dev_path(hcd);
Gerd Hoffmanneeb0cf92011-08-22 09:09:51 +0200606 }
607 if (id) {
608 char *ret = g_strdup_printf("%s/%s", id, dev->port->path);
609 g_free(id);
610 return ret;
611 } else {
612 return g_strdup(dev->port->path);
613 }
Gerd Hoffmannc7a21962010-12-10 11:37:45 +0100614}
615
Gerd Hoffmann70d31cb2011-01-12 10:58:27 +0100616static char *usb_get_fw_dev_path(DeviceState *qdev)
617{
Anthony Liguori62aed762011-12-15 14:53:10 -0600618 USBDevice *dev = USB_DEVICE(qdev);
Gerd Hoffmann70d31cb2011-01-12 10:58:27 +0100619 char *fw_path, *in;
Blue Swirlea87e952011-01-23 08:48:41 +0000620 ssize_t pos = 0, fw_len;
Gerd Hoffmann70d31cb2011-01-12 10:58:27 +0100621 long nr;
622
Blue Swirlea87e952011-01-23 08:48:41 +0000623 fw_len = 32 + strlen(dev->port->path) * 6;
Anthony Liguori7267c092011-08-20 22:09:37 -0500624 fw_path = g_malloc(fw_len);
Gerd Hoffmann70d31cb2011-01-12 10:58:27 +0100625 in = dev->port->path;
Blue Swirlea87e952011-01-23 08:48:41 +0000626 while (fw_len - pos > 0) {
Gerd Hoffmann70d31cb2011-01-12 10:58:27 +0100627 nr = strtol(in, &in, 10);
628 if (in[0] == '.') {
629 /* some hub between root port and device */
Markus Armbruster830cd542014-08-15 13:32:36 +0200630 pos += snprintf(fw_path + pos, fw_len - pos, "hub@%lx/", nr);
Gerd Hoffmann70d31cb2011-01-12 10:58:27 +0100631 in++;
632 } else {
633 /* the device itself */
Markus Armbruster830cd542014-08-15 13:32:36 +0200634 pos += snprintf(fw_path + pos, fw_len - pos, "%s@%lx",
Blue Swirlea87e952011-01-23 08:48:41 +0000635 qdev_fw_name(qdev), nr);
Gerd Hoffmann70d31cb2011-01-12 10:58:27 +0100636 break;
637 }
638 }
639 return fw_path;
640}
641
Markus Armbruster1ce6be22015-02-06 14:18:24 +0100642void hmp_info_usb(Monitor *mon, const QDict *qdict)
Gerd Hoffmanna5d2f722009-08-31 14:24:00 +0200643{
644 USBBus *bus;
645 USBDevice *dev;
646 USBPort *port;
647
Blue Swirl72cf2d42009-09-12 07:36:22 +0000648 if (QTAILQ_EMPTY(&busses)) {
Gerd Hoffmanna5d2f722009-08-31 14:24:00 +0200649 monitor_printf(mon, "USB support not enabled\n");
650 return;
651 }
652
Blue Swirl72cf2d42009-09-12 07:36:22 +0000653 QTAILQ_FOREACH(bus, &busses, next) {
654 QTAILQ_FOREACH(port, &bus->used, next) {
Gerd Hoffmanna5d2f722009-08-31 14:24:00 +0200655 dev = port->dev;
656 if (!dev)
657 continue;
Gerd Hoffmannc7a21962010-12-10 11:37:45 +0100658 monitor_printf(mon, " Device %d.%d, Port %s, Speed %s Mb/s, Product %s\n",
659 bus->busnr, dev->addr, port->path, usb_speed(dev->speed),
Markus Armbruster0fe6d122009-12-09 17:07:51 +0100660 dev->product_desc);
Gerd Hoffmanna5d2f722009-08-31 14:24:00 +0200661 }
662 }
663}
664
Gerd Hoffmann0958b4c2009-10-26 15:56:45 +0100665/* handle legacy -usbdevice cmd line option */
666USBDevice *usbdevice_create(const char *cmdline)
667{
668 USBBus *bus = usb_bus_find(-1 /* any */);
Anthony Liguori62aed762011-12-15 14:53:10 -0600669 LegacyUSBFactory *f = NULL;
Markus Armbruster3bc36a42015-02-04 13:28:09 +0100670 Error *err = NULL;
Anthony Liguori62aed762011-12-15 14:53:10 -0600671 GSList *i;
Jan Kiszka702f3e02010-03-07 12:17:08 +0100672 char driver[32];
673 const char *params;
Gerd Hoffmann0958b4c2009-10-26 15:56:45 +0100674 int len;
Markus Armbruster3bc36a42015-02-04 13:28:09 +0100675 USBDevice *dev;
Gerd Hoffmann0958b4c2009-10-26 15:56:45 +0100676
677 params = strchr(cmdline,':');
678 if (params) {
679 params++;
680 len = params - cmdline;
681 if (len > sizeof(driver))
682 len = sizeof(driver);
683 pstrcpy(driver, len, cmdline);
684 } else {
Jan Kiszka702f3e02010-03-07 12:17:08 +0100685 params = "";
Gerd Hoffmann0958b4c2009-10-26 15:56:45 +0100686 pstrcpy(driver, sizeof(driver), cmdline);
687 }
688
Anthony Liguori62aed762011-12-15 14:53:10 -0600689 for (i = legacy_usb_factory; i; i = i->next) {
690 f = i->data;
691 if (strcmp(f->usbdevice_name, driver) == 0) {
692 break;
693 }
Gerd Hoffmann0958b4c2009-10-26 15:56:45 +0100694 }
Anthony Liguori62aed762011-12-15 14:53:10 -0600695 if (i == NULL) {
Gerd Hoffmann0958b4c2009-10-26 15:56:45 +0100696#if 0
697 /* no error because some drivers are not converted (yet) */
Markus Armbruster1ecda022010-02-18 17:25:24 +0100698 error_report("usbdevice %s not found", driver);
Gerd Hoffmann0958b4c2009-10-26 15:56:45 +0100699#endif
700 return NULL;
701 }
702
Stefan Hajnoczic128d6a2012-11-25 16:49:15 +0100703 if (!bus) {
704 error_report("Error: no usb bus to attach usbdevice %s, "
705 "please try -machine usb=on and check that "
706 "the machine model supports USB", driver);
707 return NULL;
708 }
709
Markus Armbruster3bc36a42015-02-04 13:28:09 +0100710 if (f->usbdevice_init) {
711 dev = f->usbdevice_init(bus, params);
712 } else {
TeLeMan98f22dc2010-03-30 09:33:24 +0800713 if (*params) {
Markus Armbruster1ecda022010-02-18 17:25:24 +0100714 error_report("usbdevice %s accepts no params", driver);
Gerd Hoffmann0958b4c2009-10-26 15:56:45 +0100715 return NULL;
716 }
Markus Armbruster3bc36a42015-02-04 13:28:09 +0100717 dev = usb_create(bus, f->name);
Gerd Hoffmann0958b4c2009-10-26 15:56:45 +0100718 }
Markus Armbruster3bc36a42015-02-04 13:28:09 +0100719 if (!dev) {
720 error_report("Failed to create USB device '%s'", f->name);
721 return NULL;
722 }
723 object_property_set_bool(OBJECT(dev), true, "realized", &err);
724 if (err) {
725 error_report("Failed to initialize USB device '%s': %s",
726 f->name, error_get_pretty(err));
727 error_free(err);
728 object_unparent(OBJECT(dev));
729 return NULL;
730 }
731 return dev;
Gerd Hoffmann0958b4c2009-10-26 15:56:45 +0100732}
Anthony Liguori62aed762011-12-15 14:53:10 -0600733
Anthony Liguori39bffca2011-12-07 21:34:16 -0600734static void usb_device_class_init(ObjectClass *klass, void *data)
735{
736 DeviceClass *k = DEVICE_CLASS(klass);
Anthony Liguori0d936922012-05-02 09:00:20 +0200737 k->bus_type = TYPE_USB_BUS;
Gonglei7d553f22014-09-19 14:48:24 +0800738 k->realize = usb_qdev_realize;
739 k->unrealize = usb_qdev_unrealize;
Paolo Bonzinibce54472012-03-28 18:12:47 +0200740 k->props = usb_props;
Anthony Liguori39bffca2011-12-07 21:34:16 -0600741}
742
Andreas Färber8c43a6f2013-01-10 16:19:07 +0100743static const TypeInfo usb_device_type_info = {
Anthony Liguori62aed762011-12-15 14:53:10 -0600744 .name = TYPE_USB_DEVICE,
745 .parent = TYPE_DEVICE,
746 .instance_size = sizeof(USBDevice),
747 .abstract = true,
748 .class_size = sizeof(USBDeviceClass),
Anthony Liguori39bffca2011-12-07 21:34:16 -0600749 .class_init = usb_device_class_init,
Anthony Liguori62aed762011-12-15 14:53:10 -0600750};
751
Andreas Färber83f7d432012-02-09 15:20:55 +0100752static void usb_register_types(void)
Anthony Liguori62aed762011-12-15 14:53:10 -0600753{
Anthony Liguori0d936922012-05-02 09:00:20 +0200754 type_register_static(&usb_bus_info);
Anthony Liguori62aed762011-12-15 14:53:10 -0600755 type_register_static(&usb_device_type_info);
756}
757
Andreas Färber83f7d432012-02-09 15:20:55 +0100758type_init(usb_register_types)