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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); | |
806b6024 GH |
8 | |
9 | static struct BusInfo usb_bus_info = { | |
a5d2f727 GH |
10 | .name = "USB", |
11 | .size = sizeof(USBBus), | |
12 | .print_dev = usb_bus_dev_print, | |
806b6024 GH |
13 | }; |
14 | static int next_usb_bus = 0; | |
72cf2d4f | 15 | static QTAILQ_HEAD(, USBBus) busses = QTAILQ_HEAD_INITIALIZER(busses); |
806b6024 | 16 | |
b2317837 | 17 | void usb_bus_new(USBBus *bus, DeviceState *host) |
806b6024 | 18 | { |
b2317837 | 19 | qbus_create_inplace(&bus->qbus, &usb_bus_info, host, NULL); |
806b6024 | 20 | bus->busnr = next_usb_bus++; |
ef816d83 | 21 | bus->qbus.allow_hotplug = 1; /* Yes, we can */ |
72cf2d4f BS |
22 | QTAILQ_INIT(&bus->free); |
23 | QTAILQ_INIT(&bus->used); | |
24 | QTAILQ_INSERT_TAIL(&busses, bus, next); | |
806b6024 GH |
25 | } |
26 | ||
27 | USBBus *usb_bus_find(int busnr) | |
28 | { | |
29 | USBBus *bus; | |
30 | ||
31 | if (-1 == busnr) | |
72cf2d4f BS |
32 | return QTAILQ_FIRST(&busses); |
33 | QTAILQ_FOREACH(bus, &busses, next) { | |
806b6024 GH |
34 | if (bus->busnr == busnr) |
35 | return bus; | |
36 | } | |
37 | return NULL; | |
38 | } | |
39 | ||
40 | static int usb_qdev_init(DeviceState *qdev, DeviceInfo *base) | |
41 | { | |
42 | USBDevice *dev = DO_UPCAST(USBDevice, qdev, qdev); | |
43 | USBDeviceInfo *info = DO_UPCAST(USBDeviceInfo, qdev, base); | |
44 | int rc; | |
45 | ||
06384698 | 46 | pstrcpy(dev->product_desc, sizeof(dev->product_desc), info->product_desc); |
806b6024 | 47 | dev->info = info; |
61e094c0 | 48 | dev->auto_attach = 1; |
806b6024 | 49 | rc = dev->info->init(dev); |
61e094c0 | 50 | if (rc == 0 && dev->auto_attach) |
a5d2f727 | 51 | usb_device_attach(dev); |
806b6024 GH |
52 | return rc; |
53 | } | |
54 | ||
a8e662b5 GH |
55 | static int usb_qdev_exit(DeviceState *qdev) |
56 | { | |
57 | USBDevice *dev = DO_UPCAST(USBDevice, qdev, qdev); | |
58 | ||
59 | usb_device_detach(dev); | |
60 | if (dev->info->handle_destroy) { | |
61 | dev->info->handle_destroy(dev); | |
62 | } | |
63 | return 0; | |
64 | } | |
65 | ||
806b6024 GH |
66 | void usb_qdev_register(USBDeviceInfo *info) |
67 | { | |
68 | info->qdev.bus_info = &usb_bus_info; | |
69 | info->qdev.init = usb_qdev_init; | |
ef816d83 | 70 | info->qdev.unplug = qdev_simple_unplug_cb; |
a8e662b5 | 71 | info->qdev.exit = usb_qdev_exit; |
806b6024 GH |
72 | qdev_register(&info->qdev); |
73 | } | |
74 | ||
75 | void usb_qdev_register_many(USBDeviceInfo *info) | |
76 | { | |
77 | while (info->qdev.name) { | |
78 | usb_qdev_register(info); | |
79 | info++; | |
80 | } | |
81 | } | |
82 | ||
a5d2f727 | 83 | USBDevice *usb_create(USBBus *bus, const char *name) |
806b6024 GH |
84 | { |
85 | DeviceState *dev; | |
86 | ||
87 | #if 1 | |
88 | /* temporary stopgap until all usb is properly qdev-ified */ | |
89 | if (!bus) { | |
90 | bus = usb_bus_find(-1); | |
91 | if (!bus) | |
92 | return NULL; | |
93 | fprintf(stderr, "%s: no bus specified, using \"%s\" for \"%s\"\n", | |
94 | __FUNCTION__, bus->qbus.name, name); | |
95 | } | |
96 | #endif | |
97 | ||
98 | dev = qdev_create(&bus->qbus, name); | |
806b6024 GH |
99 | return DO_UPCAST(USBDevice, qdev, dev); |
100 | } | |
a5d2f727 GH |
101 | |
102 | USBDevice *usb_create_simple(USBBus *bus, const char *name) | |
103 | { | |
104 | USBDevice *dev = usb_create(bus, name); | |
d44168ff PB |
105 | if (!dev) { |
106 | hw_error("Failed to create USB device '%s'\n", name); | |
107 | } | |
e23a1b33 | 108 | qdev_init_nofail(&dev->qdev); |
a5d2f727 GH |
109 | return dev; |
110 | } | |
111 | ||
112 | void usb_register_port(USBBus *bus, USBPort *port, void *opaque, int index, | |
ab28ccc0 | 113 | USBDevice *pdev, usb_attachfn attach) |
a5d2f727 GH |
114 | { |
115 | port->opaque = opaque; | |
116 | port->index = index; | |
117 | port->attach = attach; | |
ab28ccc0 | 118 | port->pdev = pdev; |
72cf2d4f | 119 | QTAILQ_INSERT_TAIL(&bus->free, port, next); |
a5d2f727 GH |
120 | bus->nfree++; |
121 | } | |
122 | ||
a8e662b5 GH |
123 | void usb_unregister_port(USBBus *bus, USBPort *port) |
124 | { | |
125 | if (port->dev) | |
126 | qdev_free(&port->dev->qdev); | |
127 | QTAILQ_REMOVE(&bus->free, port, next); | |
128 | bus->nfree--; | |
129 | } | |
130 | ||
a5d2f727 GH |
131 | static void do_attach(USBDevice *dev) |
132 | { | |
133 | USBBus *bus = usb_bus_from_device(dev); | |
134 | USBPort *port; | |
135 | ||
136 | if (dev->attached) { | |
137 | fprintf(stderr, "Warning: tried to attach usb device %s twice\n", | |
0fe6d12e | 138 | dev->product_desc); |
a5d2f727 GH |
139 | return; |
140 | } | |
141 | dev->attached++; | |
142 | ||
72cf2d4f BS |
143 | port = QTAILQ_FIRST(&bus->free); |
144 | QTAILQ_REMOVE(&bus->free, port, next); | |
a5d2f727 GH |
145 | bus->nfree--; |
146 | ||
147 | usb_attach(port, dev); | |
148 | ||
72cf2d4f | 149 | QTAILQ_INSERT_TAIL(&bus->used, port, next); |
a5d2f727 GH |
150 | bus->nused++; |
151 | } | |
152 | ||
153 | int usb_device_attach(USBDevice *dev) | |
154 | { | |
155 | USBBus *bus = usb_bus_from_device(dev); | |
a5d2f727 GH |
156 | |
157 | if (bus->nfree == 1) { | |
158 | /* Create a new hub and chain it on. */ | |
d4c4e6fd | 159 | usb_create_simple(bus, "usb-hub"); |
a5d2f727 GH |
160 | } |
161 | do_attach(dev); | |
162 | return 0; | |
163 | } | |
164 | ||
a8e662b5 GH |
165 | int usb_device_detach(USBDevice *dev) |
166 | { | |
167 | USBBus *bus = usb_bus_from_device(dev); | |
168 | USBPort *port; | |
169 | ||
170 | if (!dev->attached) { | |
171 | fprintf(stderr, "Warning: tried to detach unattached usb device %s\n", | |
0fe6d12e | 172 | dev->product_desc); |
a8e662b5 GH |
173 | return -1; |
174 | } | |
175 | dev->attached--; | |
176 | ||
177 | QTAILQ_FOREACH(port, &bus->used, next) { | |
178 | if (port->dev == dev) | |
179 | break; | |
180 | } | |
181 | assert(port != NULL); | |
182 | ||
183 | QTAILQ_REMOVE(&bus->used, port, next); | |
184 | bus->nused--; | |
185 | ||
186 | usb_attach(port, NULL); | |
187 | ||
188 | QTAILQ_INSERT_TAIL(&bus->free, port, next); | |
189 | bus->nfree++; | |
190 | return 0; | |
191 | } | |
192 | ||
a5d2f727 GH |
193 | int usb_device_delete_addr(int busnr, int addr) |
194 | { | |
195 | USBBus *bus; | |
196 | USBPort *port; | |
197 | USBDevice *dev; | |
198 | ||
199 | bus = usb_bus_find(busnr); | |
200 | if (!bus) | |
201 | return -1; | |
202 | ||
72cf2d4f | 203 | QTAILQ_FOREACH(port, &bus->used, next) { |
a5d2f727 GH |
204 | if (port->dev->addr == addr) |
205 | break; | |
206 | } | |
207 | if (!port) | |
208 | return -1; | |
a5d2f727 | 209 | dev = port->dev; |
a5d2f727 | 210 | |
a8e662b5 | 211 | qdev_free(&dev->qdev); |
a5d2f727 GH |
212 | return 0; |
213 | } | |
214 | ||
215 | static const char *usb_speed(unsigned int speed) | |
216 | { | |
217 | static const char *txt[] = { | |
218 | [ USB_SPEED_LOW ] = "1.5", | |
219 | [ USB_SPEED_FULL ] = "12", | |
220 | [ USB_SPEED_HIGH ] = "480", | |
221 | }; | |
222 | if (speed >= ARRAY_SIZE(txt)) | |
223 | return "?"; | |
224 | return txt[speed]; | |
225 | } | |
226 | ||
227 | static void usb_bus_dev_print(Monitor *mon, DeviceState *qdev, int indent) | |
228 | { | |
229 | USBDevice *dev = DO_UPCAST(USBDevice, qdev, qdev); | |
230 | USBBus *bus = usb_bus_from_device(dev); | |
231 | ||
66a6593a GH |
232 | monitor_printf(mon, "%*saddr %d.%d, speed %s, name %s%s\n", |
233 | indent, "", bus->busnr, dev->addr, | |
0fe6d12e | 234 | usb_speed(dev->speed), dev->product_desc, |
66a6593a | 235 | dev->attached ? ", attached" : ""); |
a5d2f727 GH |
236 | } |
237 | ||
238 | void usb_info(Monitor *mon) | |
239 | { | |
240 | USBBus *bus; | |
241 | USBDevice *dev; | |
242 | USBPort *port; | |
243 | ||
72cf2d4f | 244 | if (QTAILQ_EMPTY(&busses)) { |
a5d2f727 GH |
245 | monitor_printf(mon, "USB support not enabled\n"); |
246 | return; | |
247 | } | |
248 | ||
72cf2d4f BS |
249 | QTAILQ_FOREACH(bus, &busses, next) { |
250 | QTAILQ_FOREACH(port, &bus->used, next) { | |
a5d2f727 GH |
251 | dev = port->dev; |
252 | if (!dev) | |
253 | continue; | |
254 | monitor_printf(mon, " Device %d.%d, Speed %s Mb/s, Product %s\n", | |
0fe6d12e MA |
255 | bus->busnr, dev->addr, usb_speed(dev->speed), |
256 | dev->product_desc); | |
a5d2f727 GH |
257 | } |
258 | } | |
259 | } | |
260 | ||
0958b4cc GH |
261 | /* handle legacy -usbdevice cmd line option */ |
262 | USBDevice *usbdevice_create(const char *cmdline) | |
263 | { | |
264 | USBBus *bus = usb_bus_find(-1 /* any */); | |
265 | DeviceInfo *info; | |
266 | USBDeviceInfo *usb; | |
702f3e0f JK |
267 | char driver[32]; |
268 | const char *params; | |
0958b4cc GH |
269 | int len; |
270 | ||
271 | params = strchr(cmdline,':'); | |
272 | if (params) { | |
273 | params++; | |
274 | len = params - cmdline; | |
275 | if (len > sizeof(driver)) | |
276 | len = sizeof(driver); | |
277 | pstrcpy(driver, len, cmdline); | |
278 | } else { | |
702f3e0f | 279 | params = ""; |
0958b4cc GH |
280 | pstrcpy(driver, sizeof(driver), cmdline); |
281 | } | |
282 | ||
283 | for (info = device_info_list; info != NULL; info = info->next) { | |
284 | if (info->bus_info != &usb_bus_info) | |
285 | continue; | |
286 | usb = DO_UPCAST(USBDeviceInfo, qdev, info); | |
287 | if (usb->usbdevice_name == NULL) | |
288 | continue; | |
289 | if (strcmp(usb->usbdevice_name, driver) != 0) | |
290 | continue; | |
291 | break; | |
292 | } | |
293 | if (info == NULL) { | |
294 | #if 0 | |
295 | /* no error because some drivers are not converted (yet) */ | |
1ecda02b | 296 | error_report("usbdevice %s not found", driver); |
0958b4cc GH |
297 | #endif |
298 | return NULL; | |
299 | } | |
300 | ||
301 | if (!usb->usbdevice_init) { | |
98f22dc1 | 302 | if (*params) { |
1ecda02b | 303 | error_report("usbdevice %s accepts no params", driver); |
0958b4cc GH |
304 | return NULL; |
305 | } | |
306 | return usb_create_simple(bus, usb->qdev.name); | |
307 | } | |
308 | return usb->usbdevice_init(params); | |
309 | } |