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Commit | Line | Data |
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806b6024 GH |
1 | #include "hw.h" |
2 | #include "usb.h" | |
3 | #include "qdev.h" | |
a5d2f727 GH |
4 | #include "sysemu.h" |
5 | #include "monitor.h" | |
6 | ||
7 | static void usb_bus_dev_print(Monitor *mon, DeviceState *qdev, int indent); | |
c7a2196a GH |
8 | |
9 | static char *usb_get_dev_path(DeviceState *dev); | |
70d31cb2 | 10 | static char *usb_get_fw_dev_path(DeviceState *qdev); |
806b6024 GH |
11 | |
12 | static struct BusInfo usb_bus_info = { | |
a5d2f727 GH |
13 | .name = "USB", |
14 | .size = sizeof(USBBus), | |
15 | .print_dev = usb_bus_dev_print, | |
c7a2196a | 16 | .get_dev_path = usb_get_dev_path, |
70d31cb2 | 17 | .get_fw_dev_path = usb_get_fw_dev_path, |
5f69076b GH |
18 | .props = (Property[]) { |
19 | DEFINE_PROP_STRING("port", USBDevice, port_path), | |
20 | DEFINE_PROP_END_OF_LIST() | |
21 | }, | |
806b6024 GH |
22 | }; |
23 | static int next_usb_bus = 0; | |
72cf2d4f | 24 | static QTAILQ_HEAD(, USBBus) busses = QTAILQ_HEAD_INITIALIZER(busses); |
806b6024 | 25 | |
c1ecb40a GH |
26 | const VMStateDescription vmstate_usb_device = { |
27 | .name = "USBDevice", | |
28 | .version_id = 1, | |
29 | .minimum_version_id = 1, | |
30 | .fields = (VMStateField []) { | |
31 | VMSTATE_UINT8(addr, USBDevice), | |
32 | VMSTATE_INT32(state, USBDevice), | |
33 | VMSTATE_INT32(remote_wakeup, USBDevice), | |
34 | VMSTATE_INT32(setup_state, USBDevice), | |
35 | VMSTATE_INT32(setup_len, USBDevice), | |
36 | VMSTATE_INT32(setup_index, USBDevice), | |
37 | VMSTATE_UINT8_ARRAY(setup_buf, USBDevice, 8), | |
38 | VMSTATE_END_OF_LIST(), | |
39 | } | |
40 | }; | |
41 | ||
b2317837 | 42 | void usb_bus_new(USBBus *bus, DeviceState *host) |
806b6024 | 43 | { |
b2317837 | 44 | qbus_create_inplace(&bus->qbus, &usb_bus_info, host, NULL); |
806b6024 | 45 | bus->busnr = next_usb_bus++; |
ef816d83 | 46 | bus->qbus.allow_hotplug = 1; /* Yes, we can */ |
72cf2d4f BS |
47 | QTAILQ_INIT(&bus->free); |
48 | QTAILQ_INIT(&bus->used); | |
49 | QTAILQ_INSERT_TAIL(&busses, bus, next); | |
806b6024 GH |
50 | } |
51 | ||
52 | USBBus *usb_bus_find(int busnr) | |
53 | { | |
54 | USBBus *bus; | |
55 | ||
56 | if (-1 == busnr) | |
72cf2d4f BS |
57 | return QTAILQ_FIRST(&busses); |
58 | QTAILQ_FOREACH(bus, &busses, next) { | |
806b6024 GH |
59 | if (bus->busnr == busnr) |
60 | return bus; | |
61 | } | |
62 | return NULL; | |
63 | } | |
64 | ||
65 | static int usb_qdev_init(DeviceState *qdev, DeviceInfo *base) | |
66 | { | |
67 | USBDevice *dev = DO_UPCAST(USBDevice, qdev, qdev); | |
68 | USBDeviceInfo *info = DO_UPCAST(USBDeviceInfo, qdev, base); | |
69 | int rc; | |
70 | ||
06384698 | 71 | pstrcpy(dev->product_desc, sizeof(dev->product_desc), info->product_desc); |
806b6024 | 72 | dev->info = info; |
61e094c0 | 73 | dev->auto_attach = 1; |
132a3f55 | 74 | QLIST_INIT(&dev->strings); |
806b6024 | 75 | rc = dev->info->init(dev); |
61e094c0 | 76 | if (rc == 0 && dev->auto_attach) |
a5d2f727 | 77 | usb_device_attach(dev); |
806b6024 GH |
78 | return rc; |
79 | } | |
80 | ||
a8e662b5 GH |
81 | static int usb_qdev_exit(DeviceState *qdev) |
82 | { | |
83 | USBDevice *dev = DO_UPCAST(USBDevice, qdev, qdev); | |
84 | ||
85 | usb_device_detach(dev); | |
86 | if (dev->info->handle_destroy) { | |
87 | dev->info->handle_destroy(dev); | |
88 | } | |
89 | return 0; | |
90 | } | |
91 | ||
806b6024 GH |
92 | void usb_qdev_register(USBDeviceInfo *info) |
93 | { | |
94 | info->qdev.bus_info = &usb_bus_info; | |
95 | info->qdev.init = usb_qdev_init; | |
ef816d83 | 96 | info->qdev.unplug = qdev_simple_unplug_cb; |
a8e662b5 | 97 | info->qdev.exit = usb_qdev_exit; |
806b6024 GH |
98 | qdev_register(&info->qdev); |
99 | } | |
100 | ||
101 | void usb_qdev_register_many(USBDeviceInfo *info) | |
102 | { | |
103 | while (info->qdev.name) { | |
104 | usb_qdev_register(info); | |
105 | info++; | |
106 | } | |
107 | } | |
108 | ||
a5d2f727 | 109 | USBDevice *usb_create(USBBus *bus, const char *name) |
806b6024 GH |
110 | { |
111 | DeviceState *dev; | |
112 | ||
113 | #if 1 | |
114 | /* temporary stopgap until all usb is properly qdev-ified */ | |
115 | if (!bus) { | |
116 | bus = usb_bus_find(-1); | |
117 | if (!bus) | |
118 | return NULL; | |
119 | fprintf(stderr, "%s: no bus specified, using \"%s\" for \"%s\"\n", | |
120 | __FUNCTION__, bus->qbus.name, name); | |
121 | } | |
122 | #endif | |
123 | ||
124 | dev = qdev_create(&bus->qbus, name); | |
806b6024 GH |
125 | return DO_UPCAST(USBDevice, qdev, dev); |
126 | } | |
a5d2f727 GH |
127 | |
128 | USBDevice *usb_create_simple(USBBus *bus, const char *name) | |
129 | { | |
130 | USBDevice *dev = usb_create(bus, name); | |
d44168ff PB |
131 | if (!dev) { |
132 | hw_error("Failed to create USB device '%s'\n", name); | |
133 | } | |
e23a1b33 | 134 | qdev_init_nofail(&dev->qdev); |
a5d2f727 GH |
135 | return dev; |
136 | } | |
137 | ||
138 | void usb_register_port(USBBus *bus, USBPort *port, void *opaque, int index, | |
ace1318b | 139 | USBPortOps *ops, int speedmask) |
a5d2f727 GH |
140 | { |
141 | port->opaque = opaque; | |
142 | port->index = index; | |
0d86d2be GH |
143 | port->opaque = opaque; |
144 | port->index = index; | |
145 | port->ops = ops; | |
843d4e0c | 146 | port->speedmask = speedmask; |
72cf2d4f | 147 | QTAILQ_INSERT_TAIL(&bus->free, port, next); |
a5d2f727 GH |
148 | bus->nfree++; |
149 | } | |
150 | ||
c7a2196a GH |
151 | void usb_port_location(USBPort *downstream, USBPort *upstream, int portnr) |
152 | { | |
153 | if (upstream) { | |
154 | snprintf(downstream->path, sizeof(downstream->path), "%s.%d", | |
155 | upstream->path, portnr); | |
156 | } else { | |
157 | snprintf(downstream->path, sizeof(downstream->path), "%d", portnr); | |
158 | } | |
159 | } | |
160 | ||
a8e662b5 GH |
161 | void usb_unregister_port(USBBus *bus, USBPort *port) |
162 | { | |
163 | if (port->dev) | |
164 | qdev_free(&port->dev->qdev); | |
165 | QTAILQ_REMOVE(&bus->free, port, next); | |
166 | bus->nfree--; | |
167 | } | |
168 | ||
a5d2f727 GH |
169 | static void do_attach(USBDevice *dev) |
170 | { | |
171 | USBBus *bus = usb_bus_from_device(dev); | |
172 | USBPort *port; | |
173 | ||
174 | if (dev->attached) { | |
175 | fprintf(stderr, "Warning: tried to attach usb device %s twice\n", | |
0fe6d12e | 176 | dev->product_desc); |
a5d2f727 GH |
177 | return; |
178 | } | |
5f69076b GH |
179 | if (dev->port_path) { |
180 | QTAILQ_FOREACH(port, &bus->free, next) { | |
181 | if (strcmp(port->path, dev->port_path) == 0) { | |
182 | break; | |
183 | } | |
184 | } | |
185 | if (port == NULL) { | |
186 | fprintf(stderr, "Warning: usb port %s (bus %s) not found\n", | |
187 | dev->port_path, bus->qbus.name); | |
188 | return; | |
189 | } | |
190 | } else { | |
191 | port = QTAILQ_FIRST(&bus->free); | |
192 | } | |
a5d2f727 | 193 | |
5f69076b | 194 | dev->attached++; |
72cf2d4f | 195 | QTAILQ_REMOVE(&bus->free, port, next); |
a5d2f727 GH |
196 | bus->nfree--; |
197 | ||
198 | usb_attach(port, dev); | |
199 | ||
72cf2d4f | 200 | QTAILQ_INSERT_TAIL(&bus->used, port, next); |
a5d2f727 GH |
201 | bus->nused++; |
202 | } | |
203 | ||
204 | int usb_device_attach(USBDevice *dev) | |
205 | { | |
206 | USBBus *bus = usb_bus_from_device(dev); | |
a5d2f727 | 207 | |
5f69076b GH |
208 | if (bus->nfree == 1 && dev->port_path == NULL) { |
209 | /* Create a new hub and chain it on | |
210 | (unless a physical port location is specified). */ | |
d4c4e6fd | 211 | usb_create_simple(bus, "usb-hub"); |
a5d2f727 GH |
212 | } |
213 | do_attach(dev); | |
214 | return 0; | |
215 | } | |
216 | ||
a8e662b5 GH |
217 | int usb_device_detach(USBDevice *dev) |
218 | { | |
219 | USBBus *bus = usb_bus_from_device(dev); | |
220 | USBPort *port; | |
221 | ||
222 | if (!dev->attached) { | |
223 | fprintf(stderr, "Warning: tried to detach unattached usb device %s\n", | |
0fe6d12e | 224 | dev->product_desc); |
a8e662b5 GH |
225 | return -1; |
226 | } | |
227 | dev->attached--; | |
228 | ||
229 | QTAILQ_FOREACH(port, &bus->used, next) { | |
230 | if (port->dev == dev) | |
231 | break; | |
232 | } | |
233 | assert(port != NULL); | |
234 | ||
235 | QTAILQ_REMOVE(&bus->used, port, next); | |
236 | bus->nused--; | |
237 | ||
238 | usb_attach(port, NULL); | |
239 | ||
240 | QTAILQ_INSERT_TAIL(&bus->free, port, next); | |
241 | bus->nfree++; | |
242 | return 0; | |
243 | } | |
244 | ||
a5d2f727 GH |
245 | int usb_device_delete_addr(int busnr, int addr) |
246 | { | |
247 | USBBus *bus; | |
248 | USBPort *port; | |
249 | USBDevice *dev; | |
250 | ||
251 | bus = usb_bus_find(busnr); | |
252 | if (!bus) | |
253 | return -1; | |
254 | ||
72cf2d4f | 255 | QTAILQ_FOREACH(port, &bus->used, next) { |
a5d2f727 GH |
256 | if (port->dev->addr == addr) |
257 | break; | |
258 | } | |
259 | if (!port) | |
260 | return -1; | |
a5d2f727 | 261 | dev = port->dev; |
a5d2f727 | 262 | |
a8e662b5 | 263 | qdev_free(&dev->qdev); |
a5d2f727 GH |
264 | return 0; |
265 | } | |
266 | ||
267 | static const char *usb_speed(unsigned int speed) | |
268 | { | |
269 | static const char *txt[] = { | |
270 | [ USB_SPEED_LOW ] = "1.5", | |
271 | [ USB_SPEED_FULL ] = "12", | |
272 | [ USB_SPEED_HIGH ] = "480", | |
273 | }; | |
274 | if (speed >= ARRAY_SIZE(txt)) | |
275 | return "?"; | |
276 | return txt[speed]; | |
277 | } | |
278 | ||
279 | static void usb_bus_dev_print(Monitor *mon, DeviceState *qdev, int indent) | |
280 | { | |
281 | USBDevice *dev = DO_UPCAST(USBDevice, qdev, qdev); | |
282 | USBBus *bus = usb_bus_from_device(dev); | |
283 | ||
c7a2196a | 284 | monitor_printf(mon, "%*saddr %d.%d, port %s, speed %s, name %s%s\n", |
66a6593a | 285 | indent, "", bus->busnr, dev->addr, |
c7a2196a | 286 | dev->port ? dev->port->path : "-", |
0fe6d12e | 287 | usb_speed(dev->speed), dev->product_desc, |
66a6593a | 288 | dev->attached ? ", attached" : ""); |
a5d2f727 GH |
289 | } |
290 | ||
c7a2196a GH |
291 | static char *usb_get_dev_path(DeviceState *qdev) |
292 | { | |
293 | USBDevice *dev = DO_UPCAST(USBDevice, qdev, qdev); | |
294 | return qemu_strdup(dev->port->path); | |
295 | } | |
296 | ||
70d31cb2 GH |
297 | static char *usb_get_fw_dev_path(DeviceState *qdev) |
298 | { | |
299 | USBDevice *dev = DO_UPCAST(USBDevice, qdev, qdev); | |
300 | char *fw_path, *in; | |
ea87e95f | 301 | ssize_t pos = 0, fw_len; |
70d31cb2 GH |
302 | long nr; |
303 | ||
ea87e95f BS |
304 | fw_len = 32 + strlen(dev->port->path) * 6; |
305 | fw_path = qemu_malloc(fw_len); | |
70d31cb2 | 306 | in = dev->port->path; |
ea87e95f | 307 | while (fw_len - pos > 0) { |
70d31cb2 GH |
308 | nr = strtol(in, &in, 10); |
309 | if (in[0] == '.') { | |
310 | /* some hub between root port and device */ | |
ea87e95f | 311 | pos += snprintf(fw_path + pos, fw_len - pos, "hub@%ld/", nr); |
70d31cb2 GH |
312 | in++; |
313 | } else { | |
314 | /* the device itself */ | |
ea87e95f BS |
315 | pos += snprintf(fw_path + pos, fw_len - pos, "%s@%ld", |
316 | qdev_fw_name(qdev), nr); | |
70d31cb2 GH |
317 | break; |
318 | } | |
319 | } | |
320 | return fw_path; | |
321 | } | |
322 | ||
a5d2f727 GH |
323 | void usb_info(Monitor *mon) |
324 | { | |
325 | USBBus *bus; | |
326 | USBDevice *dev; | |
327 | USBPort *port; | |
328 | ||
72cf2d4f | 329 | if (QTAILQ_EMPTY(&busses)) { |
a5d2f727 GH |
330 | monitor_printf(mon, "USB support not enabled\n"); |
331 | return; | |
332 | } | |
333 | ||
72cf2d4f BS |
334 | QTAILQ_FOREACH(bus, &busses, next) { |
335 | QTAILQ_FOREACH(port, &bus->used, next) { | |
a5d2f727 GH |
336 | dev = port->dev; |
337 | if (!dev) | |
338 | continue; | |
c7a2196a GH |
339 | monitor_printf(mon, " Device %d.%d, Port %s, Speed %s Mb/s, Product %s\n", |
340 | bus->busnr, dev->addr, port->path, usb_speed(dev->speed), | |
0fe6d12e | 341 | dev->product_desc); |
a5d2f727 GH |
342 | } |
343 | } | |
344 | } | |
345 | ||
0958b4cc GH |
346 | /* handle legacy -usbdevice cmd line option */ |
347 | USBDevice *usbdevice_create(const char *cmdline) | |
348 | { | |
349 | USBBus *bus = usb_bus_find(-1 /* any */); | |
350 | DeviceInfo *info; | |
351 | USBDeviceInfo *usb; | |
702f3e0f JK |
352 | char driver[32]; |
353 | const char *params; | |
0958b4cc GH |
354 | int len; |
355 | ||
356 | params = strchr(cmdline,':'); | |
357 | if (params) { | |
358 | params++; | |
359 | len = params - cmdline; | |
360 | if (len > sizeof(driver)) | |
361 | len = sizeof(driver); | |
362 | pstrcpy(driver, len, cmdline); | |
363 | } else { | |
702f3e0f | 364 | params = ""; |
0958b4cc GH |
365 | pstrcpy(driver, sizeof(driver), cmdline); |
366 | } | |
367 | ||
368 | for (info = device_info_list; info != NULL; info = info->next) { | |
369 | if (info->bus_info != &usb_bus_info) | |
370 | continue; | |
371 | usb = DO_UPCAST(USBDeviceInfo, qdev, info); | |
372 | if (usb->usbdevice_name == NULL) | |
373 | continue; | |
374 | if (strcmp(usb->usbdevice_name, driver) != 0) | |
375 | continue; | |
376 | break; | |
377 | } | |
378 | if (info == NULL) { | |
379 | #if 0 | |
380 | /* no error because some drivers are not converted (yet) */ | |
1ecda02b | 381 | error_report("usbdevice %s not found", driver); |
0958b4cc GH |
382 | #endif |
383 | return NULL; | |
384 | } | |
385 | ||
386 | if (!usb->usbdevice_init) { | |
98f22dc1 | 387 | if (*params) { |
1ecda02b | 388 | error_report("usbdevice %s accepts no params", driver); |
0958b4cc GH |
389 | return NULL; |
390 | } | |
391 | return usb_create_simple(bus, usb->qdev.name); | |
392 | } | |
393 | return usb->usbdevice_init(params); | |
394 | } |