root / hw / usb-bus.c @ 47f5ba72
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1 | 806b6024 | Gerd Hoffmann | #include "hw.h" |
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2 | 806b6024 | Gerd Hoffmann | #include "usb.h" |
3 | 806b6024 | Gerd Hoffmann | #include "qdev.h" |
4 | a5d2f727 | Gerd Hoffmann | #include "sysemu.h" |
5 | a5d2f727 | Gerd Hoffmann | #include "monitor.h" |
6 | a5d2f727 | Gerd Hoffmann | |
7 | a5d2f727 | Gerd Hoffmann | static void usb_bus_dev_print(Monitor *mon, DeviceState *qdev, int indent); |
8 | 806b6024 | Gerd Hoffmann | |
9 | 806b6024 | Gerd Hoffmann | static struct BusInfo usb_bus_info = { |
10 | a5d2f727 | Gerd Hoffmann | .name = "USB",
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11 | a5d2f727 | Gerd Hoffmann | .size = sizeof(USBBus),
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12 | a5d2f727 | Gerd Hoffmann | .print_dev = usb_bus_dev_print, |
13 | 806b6024 | Gerd Hoffmann | }; |
14 | 806b6024 | Gerd Hoffmann | static int next_usb_bus = 0; |
15 | 72cf2d4f | Blue Swirl | static QTAILQ_HEAD(, USBBus) busses = QTAILQ_HEAD_INITIALIZER(busses);
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16 | 806b6024 | Gerd Hoffmann | |
17 | b2317837 | Gerd Hoffmann | void usb_bus_new(USBBus *bus, DeviceState *host)
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18 | 806b6024 | Gerd Hoffmann | { |
19 | b2317837 | Gerd Hoffmann | qbus_create_inplace(&bus->qbus, &usb_bus_info, host, NULL);
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20 | 806b6024 | Gerd Hoffmann | bus->busnr = next_usb_bus++; |
21 | ef816d83 | Gerd Hoffmann | bus->qbus.allow_hotplug = 1; /* Yes, we can */ |
22 | 72cf2d4f | Blue Swirl | QTAILQ_INIT(&bus->free); |
23 | 72cf2d4f | Blue Swirl | QTAILQ_INIT(&bus->used); |
24 | 72cf2d4f | Blue Swirl | QTAILQ_INSERT_TAIL(&busses, bus, next); |
25 | 806b6024 | Gerd Hoffmann | } |
26 | 806b6024 | Gerd Hoffmann | |
27 | 806b6024 | Gerd Hoffmann | USBBus *usb_bus_find(int busnr)
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28 | 806b6024 | Gerd Hoffmann | { |
29 | 806b6024 | Gerd Hoffmann | USBBus *bus; |
30 | 806b6024 | Gerd Hoffmann | |
31 | 806b6024 | Gerd Hoffmann | if (-1 == busnr) |
32 | 72cf2d4f | Blue Swirl | return QTAILQ_FIRST(&busses);
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33 | 72cf2d4f | Blue Swirl | QTAILQ_FOREACH(bus, &busses, next) { |
34 | 806b6024 | Gerd Hoffmann | if (bus->busnr == busnr)
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35 | 806b6024 | Gerd Hoffmann | return bus;
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36 | 806b6024 | Gerd Hoffmann | } |
37 | 806b6024 | Gerd Hoffmann | return NULL; |
38 | 806b6024 | Gerd Hoffmann | } |
39 | 806b6024 | Gerd Hoffmann | |
40 | 806b6024 | Gerd Hoffmann | static int usb_qdev_init(DeviceState *qdev, DeviceInfo *base) |
41 | 806b6024 | Gerd Hoffmann | { |
42 | 806b6024 | Gerd Hoffmann | USBDevice *dev = DO_UPCAST(USBDevice, qdev, qdev); |
43 | 806b6024 | Gerd Hoffmann | USBDeviceInfo *info = DO_UPCAST(USBDeviceInfo, qdev, base); |
44 | 806b6024 | Gerd Hoffmann | int rc;
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45 | 806b6024 | Gerd Hoffmann | |
46 | 06384698 | Markus Armbruster | pstrcpy(dev->product_desc, sizeof(dev->product_desc), info->product_desc);
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47 | 806b6024 | Gerd Hoffmann | dev->info = info; |
48 | 61e094c0 | Gerd Hoffmann | dev->auto_attach = 1;
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49 | 806b6024 | Gerd Hoffmann | rc = dev->info->init(dev); |
50 | 61e094c0 | Gerd Hoffmann | if (rc == 0 && dev->auto_attach) |
51 | a5d2f727 | Gerd Hoffmann | usb_device_attach(dev); |
52 | 806b6024 | Gerd Hoffmann | return rc;
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53 | 806b6024 | Gerd Hoffmann | } |
54 | 806b6024 | Gerd Hoffmann | |
55 | a8e662b5 | Gerd Hoffmann | static int usb_qdev_exit(DeviceState *qdev) |
56 | a8e662b5 | Gerd Hoffmann | { |
57 | a8e662b5 | Gerd Hoffmann | USBDevice *dev = DO_UPCAST(USBDevice, qdev, qdev); |
58 | a8e662b5 | Gerd Hoffmann | |
59 | a8e662b5 | Gerd Hoffmann | usb_device_detach(dev); |
60 | a8e662b5 | Gerd Hoffmann | if (dev->info->handle_destroy) {
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61 | a8e662b5 | Gerd Hoffmann | dev->info->handle_destroy(dev); |
62 | a8e662b5 | Gerd Hoffmann | } |
63 | a8e662b5 | Gerd Hoffmann | return 0; |
64 | a8e662b5 | Gerd Hoffmann | } |
65 | a8e662b5 | Gerd Hoffmann | |
66 | 806b6024 | Gerd Hoffmann | void usb_qdev_register(USBDeviceInfo *info)
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67 | 806b6024 | Gerd Hoffmann | { |
68 | 806b6024 | Gerd Hoffmann | info->qdev.bus_info = &usb_bus_info; |
69 | 806b6024 | Gerd Hoffmann | info->qdev.init = usb_qdev_init; |
70 | ef816d83 | Gerd Hoffmann | info->qdev.unplug = qdev_simple_unplug_cb; |
71 | a8e662b5 | Gerd Hoffmann | info->qdev.exit = usb_qdev_exit; |
72 | 806b6024 | Gerd Hoffmann | qdev_register(&info->qdev); |
73 | 806b6024 | Gerd Hoffmann | } |
74 | 806b6024 | Gerd Hoffmann | |
75 | 806b6024 | Gerd Hoffmann | void usb_qdev_register_many(USBDeviceInfo *info)
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76 | 806b6024 | Gerd Hoffmann | { |
77 | 806b6024 | Gerd Hoffmann | while (info->qdev.name) {
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78 | 806b6024 | Gerd Hoffmann | usb_qdev_register(info); |
79 | 806b6024 | Gerd Hoffmann | info++; |
80 | 806b6024 | Gerd Hoffmann | } |
81 | 806b6024 | Gerd Hoffmann | } |
82 | 806b6024 | Gerd Hoffmann | |
83 | a5d2f727 | Gerd Hoffmann | USBDevice *usb_create(USBBus *bus, const char *name) |
84 | 806b6024 | Gerd Hoffmann | { |
85 | 806b6024 | Gerd Hoffmann | DeviceState *dev; |
86 | 806b6024 | Gerd Hoffmann | |
87 | 806b6024 | Gerd Hoffmann | #if 1 |
88 | 806b6024 | Gerd Hoffmann | /* temporary stopgap until all usb is properly qdev-ified */
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89 | 806b6024 | Gerd Hoffmann | if (!bus) {
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90 | 806b6024 | Gerd Hoffmann | bus = usb_bus_find(-1);
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91 | 806b6024 | Gerd Hoffmann | if (!bus)
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92 | 806b6024 | Gerd Hoffmann | return NULL; |
93 | 806b6024 | Gerd Hoffmann | fprintf(stderr, "%s: no bus specified, using \"%s\" for \"%s\"\n",
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94 | 806b6024 | Gerd Hoffmann | __FUNCTION__, bus->qbus.name, name); |
95 | 806b6024 | Gerd Hoffmann | } |
96 | 806b6024 | Gerd Hoffmann | #endif
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97 | 806b6024 | Gerd Hoffmann | |
98 | 806b6024 | Gerd Hoffmann | dev = qdev_create(&bus->qbus, name); |
99 | 806b6024 | Gerd Hoffmann | return DO_UPCAST(USBDevice, qdev, dev);
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100 | 806b6024 | Gerd Hoffmann | } |
101 | a5d2f727 | Gerd Hoffmann | |
102 | a5d2f727 | Gerd Hoffmann | USBDevice *usb_create_simple(USBBus *bus, const char *name) |
103 | a5d2f727 | Gerd Hoffmann | { |
104 | a5d2f727 | Gerd Hoffmann | USBDevice *dev = usb_create(bus, name); |
105 | e23a1b33 | Markus Armbruster | qdev_init_nofail(&dev->qdev); |
106 | a5d2f727 | Gerd Hoffmann | return dev;
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107 | a5d2f727 | Gerd Hoffmann | } |
108 | a5d2f727 | Gerd Hoffmann | |
109 | a5d2f727 | Gerd Hoffmann | void usb_register_port(USBBus *bus, USBPort *port, void *opaque, int index, |
110 | a5d2f727 | Gerd Hoffmann | usb_attachfn attach) |
111 | a5d2f727 | Gerd Hoffmann | { |
112 | a5d2f727 | Gerd Hoffmann | port->opaque = opaque; |
113 | a5d2f727 | Gerd Hoffmann | port->index = index; |
114 | a5d2f727 | Gerd Hoffmann | port->attach = attach; |
115 | 72cf2d4f | Blue Swirl | QTAILQ_INSERT_TAIL(&bus->free, port, next); |
116 | a5d2f727 | Gerd Hoffmann | bus->nfree++; |
117 | a5d2f727 | Gerd Hoffmann | } |
118 | a5d2f727 | Gerd Hoffmann | |
119 | a8e662b5 | Gerd Hoffmann | void usb_unregister_port(USBBus *bus, USBPort *port)
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120 | a8e662b5 | Gerd Hoffmann | { |
121 | a8e662b5 | Gerd Hoffmann | if (port->dev)
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122 | a8e662b5 | Gerd Hoffmann | qdev_free(&port->dev->qdev); |
123 | a8e662b5 | Gerd Hoffmann | QTAILQ_REMOVE(&bus->free, port, next); |
124 | a8e662b5 | Gerd Hoffmann | bus->nfree--; |
125 | a8e662b5 | Gerd Hoffmann | } |
126 | a8e662b5 | Gerd Hoffmann | |
127 | a5d2f727 | Gerd Hoffmann | static void do_attach(USBDevice *dev) |
128 | a5d2f727 | Gerd Hoffmann | { |
129 | a5d2f727 | Gerd Hoffmann | USBBus *bus = usb_bus_from_device(dev); |
130 | a5d2f727 | Gerd Hoffmann | USBPort *port; |
131 | a5d2f727 | Gerd Hoffmann | |
132 | a5d2f727 | Gerd Hoffmann | if (dev->attached) {
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133 | a5d2f727 | Gerd Hoffmann | fprintf(stderr, "Warning: tried to attach usb device %s twice\n",
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134 | 0fe6d12e | Markus Armbruster | dev->product_desc); |
135 | a5d2f727 | Gerd Hoffmann | return;
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136 | a5d2f727 | Gerd Hoffmann | } |
137 | a5d2f727 | Gerd Hoffmann | dev->attached++; |
138 | a5d2f727 | Gerd Hoffmann | |
139 | 72cf2d4f | Blue Swirl | port = QTAILQ_FIRST(&bus->free); |
140 | 72cf2d4f | Blue Swirl | QTAILQ_REMOVE(&bus->free, port, next); |
141 | a5d2f727 | Gerd Hoffmann | bus->nfree--; |
142 | a5d2f727 | Gerd Hoffmann | |
143 | a5d2f727 | Gerd Hoffmann | usb_attach(port, dev); |
144 | a5d2f727 | Gerd Hoffmann | |
145 | 72cf2d4f | Blue Swirl | QTAILQ_INSERT_TAIL(&bus->used, port, next); |
146 | a5d2f727 | Gerd Hoffmann | bus->nused++; |
147 | a5d2f727 | Gerd Hoffmann | } |
148 | a5d2f727 | Gerd Hoffmann | |
149 | a5d2f727 | Gerd Hoffmann | int usb_device_attach(USBDevice *dev)
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150 | a5d2f727 | Gerd Hoffmann | { |
151 | a5d2f727 | Gerd Hoffmann | USBBus *bus = usb_bus_from_device(dev); |
152 | a5d2f727 | Gerd Hoffmann | USBDevice *hub; |
153 | a5d2f727 | Gerd Hoffmann | |
154 | a5d2f727 | Gerd Hoffmann | if (bus->nfree == 1) { |
155 | a5d2f727 | Gerd Hoffmann | /* Create a new hub and chain it on. */
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156 | 556cd098 | Markus Armbruster | hub = usb_create_simple(bus, "usb-hub");
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157 | a5d2f727 | Gerd Hoffmann | } |
158 | a5d2f727 | Gerd Hoffmann | do_attach(dev); |
159 | a5d2f727 | Gerd Hoffmann | return 0; |
160 | a5d2f727 | Gerd Hoffmann | } |
161 | a5d2f727 | Gerd Hoffmann | |
162 | a8e662b5 | Gerd Hoffmann | int usb_device_detach(USBDevice *dev)
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163 | a8e662b5 | Gerd Hoffmann | { |
164 | a8e662b5 | Gerd Hoffmann | USBBus *bus = usb_bus_from_device(dev); |
165 | a8e662b5 | Gerd Hoffmann | USBPort *port; |
166 | a8e662b5 | Gerd Hoffmann | |
167 | a8e662b5 | Gerd Hoffmann | if (!dev->attached) {
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168 | a8e662b5 | Gerd Hoffmann | fprintf(stderr, "Warning: tried to detach unattached usb device %s\n",
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169 | 0fe6d12e | Markus Armbruster | dev->product_desc); |
170 | a8e662b5 | Gerd Hoffmann | return -1; |
171 | a8e662b5 | Gerd Hoffmann | } |
172 | a8e662b5 | Gerd Hoffmann | dev->attached--; |
173 | a8e662b5 | Gerd Hoffmann | |
174 | a8e662b5 | Gerd Hoffmann | QTAILQ_FOREACH(port, &bus->used, next) { |
175 | a8e662b5 | Gerd Hoffmann | if (port->dev == dev)
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176 | a8e662b5 | Gerd Hoffmann | break;
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177 | a8e662b5 | Gerd Hoffmann | } |
178 | a8e662b5 | Gerd Hoffmann | assert(port != NULL);
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179 | a8e662b5 | Gerd Hoffmann | |
180 | a8e662b5 | Gerd Hoffmann | QTAILQ_REMOVE(&bus->used, port, next); |
181 | a8e662b5 | Gerd Hoffmann | bus->nused--; |
182 | a8e662b5 | Gerd Hoffmann | |
183 | a8e662b5 | Gerd Hoffmann | usb_attach(port, NULL);
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184 | a8e662b5 | Gerd Hoffmann | |
185 | a8e662b5 | Gerd Hoffmann | QTAILQ_INSERT_TAIL(&bus->free, port, next); |
186 | a8e662b5 | Gerd Hoffmann | bus->nfree++; |
187 | a8e662b5 | Gerd Hoffmann | return 0; |
188 | a8e662b5 | Gerd Hoffmann | } |
189 | a8e662b5 | Gerd Hoffmann | |
190 | a5d2f727 | Gerd Hoffmann | int usb_device_delete_addr(int busnr, int addr) |
191 | a5d2f727 | Gerd Hoffmann | { |
192 | a5d2f727 | Gerd Hoffmann | USBBus *bus; |
193 | a5d2f727 | Gerd Hoffmann | USBPort *port; |
194 | a5d2f727 | Gerd Hoffmann | USBDevice *dev; |
195 | a5d2f727 | Gerd Hoffmann | |
196 | a5d2f727 | Gerd Hoffmann | bus = usb_bus_find(busnr); |
197 | a5d2f727 | Gerd Hoffmann | if (!bus)
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198 | a5d2f727 | Gerd Hoffmann | return -1; |
199 | a5d2f727 | Gerd Hoffmann | |
200 | 72cf2d4f | Blue Swirl | QTAILQ_FOREACH(port, &bus->used, next) { |
201 | a5d2f727 | Gerd Hoffmann | if (port->dev->addr == addr)
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202 | a5d2f727 | Gerd Hoffmann | break;
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203 | a5d2f727 | Gerd Hoffmann | } |
204 | a5d2f727 | Gerd Hoffmann | if (!port)
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205 | a5d2f727 | Gerd Hoffmann | return -1; |
206 | a5d2f727 | Gerd Hoffmann | dev = port->dev; |
207 | a5d2f727 | Gerd Hoffmann | |
208 | a8e662b5 | Gerd Hoffmann | qdev_free(&dev->qdev); |
209 | a5d2f727 | Gerd Hoffmann | return 0; |
210 | a5d2f727 | Gerd Hoffmann | } |
211 | a5d2f727 | Gerd Hoffmann | |
212 | a5d2f727 | Gerd Hoffmann | static const char *usb_speed(unsigned int speed) |
213 | a5d2f727 | Gerd Hoffmann | { |
214 | a5d2f727 | Gerd Hoffmann | static const char *txt[] = { |
215 | a5d2f727 | Gerd Hoffmann | [ USB_SPEED_LOW ] = "1.5",
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216 | a5d2f727 | Gerd Hoffmann | [ USB_SPEED_FULL ] = "12",
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217 | a5d2f727 | Gerd Hoffmann | [ USB_SPEED_HIGH ] = "480",
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218 | a5d2f727 | Gerd Hoffmann | }; |
219 | a5d2f727 | Gerd Hoffmann | if (speed >= ARRAY_SIZE(txt))
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220 | a5d2f727 | Gerd Hoffmann | return "?"; |
221 | a5d2f727 | Gerd Hoffmann | return txt[speed];
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222 | a5d2f727 | Gerd Hoffmann | } |
223 | a5d2f727 | Gerd Hoffmann | |
224 | a5d2f727 | Gerd Hoffmann | static void usb_bus_dev_print(Monitor *mon, DeviceState *qdev, int indent) |
225 | a5d2f727 | Gerd Hoffmann | { |
226 | a5d2f727 | Gerd Hoffmann | USBDevice *dev = DO_UPCAST(USBDevice, qdev, qdev); |
227 | a5d2f727 | Gerd Hoffmann | USBBus *bus = usb_bus_from_device(dev); |
228 | a5d2f727 | Gerd Hoffmann | |
229 | 66a6593a | Gerd Hoffmann | monitor_printf(mon, "%*saddr %d.%d, speed %s, name %s%s\n",
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230 | 66a6593a | Gerd Hoffmann | indent, "", bus->busnr, dev->addr,
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231 | 0fe6d12e | Markus Armbruster | usb_speed(dev->speed), dev->product_desc, |
232 | 66a6593a | Gerd Hoffmann | dev->attached ? ", attached" : ""); |
233 | a5d2f727 | Gerd Hoffmann | } |
234 | a5d2f727 | Gerd Hoffmann | |
235 | a5d2f727 | Gerd Hoffmann | void usb_info(Monitor *mon)
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236 | a5d2f727 | Gerd Hoffmann | { |
237 | a5d2f727 | Gerd Hoffmann | USBBus *bus; |
238 | a5d2f727 | Gerd Hoffmann | USBDevice *dev; |
239 | a5d2f727 | Gerd Hoffmann | USBPort *port; |
240 | a5d2f727 | Gerd Hoffmann | |
241 | 72cf2d4f | Blue Swirl | if (QTAILQ_EMPTY(&busses)) {
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242 | a5d2f727 | Gerd Hoffmann | monitor_printf(mon, "USB support not enabled\n");
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243 | a5d2f727 | Gerd Hoffmann | return;
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244 | a5d2f727 | Gerd Hoffmann | } |
245 | a5d2f727 | Gerd Hoffmann | |
246 | 72cf2d4f | Blue Swirl | QTAILQ_FOREACH(bus, &busses, next) { |
247 | 72cf2d4f | Blue Swirl | QTAILQ_FOREACH(port, &bus->used, next) { |
248 | a5d2f727 | Gerd Hoffmann | dev = port->dev; |
249 | a5d2f727 | Gerd Hoffmann | if (!dev)
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250 | a5d2f727 | Gerd Hoffmann | continue;
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251 | a5d2f727 | Gerd Hoffmann | monitor_printf(mon, " Device %d.%d, Speed %s Mb/s, Product %s\n",
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252 | 0fe6d12e | Markus Armbruster | bus->busnr, dev->addr, usb_speed(dev->speed), |
253 | 0fe6d12e | Markus Armbruster | dev->product_desc); |
254 | a5d2f727 | Gerd Hoffmann | } |
255 | a5d2f727 | Gerd Hoffmann | } |
256 | a5d2f727 | Gerd Hoffmann | } |
257 | a5d2f727 | Gerd Hoffmann | |
258 | 0958b4cc | Gerd Hoffmann | /* handle legacy -usbdevice cmd line option */
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259 | 0958b4cc | Gerd Hoffmann | USBDevice *usbdevice_create(const char *cmdline) |
260 | 0958b4cc | Gerd Hoffmann | { |
261 | 0958b4cc | Gerd Hoffmann | USBBus *bus = usb_bus_find(-1 /* any */); |
262 | 0958b4cc | Gerd Hoffmann | DeviceInfo *info; |
263 | 0958b4cc | Gerd Hoffmann | USBDeviceInfo *usb; |
264 | 0958b4cc | Gerd Hoffmann | char driver[32], *params; |
265 | 0958b4cc | Gerd Hoffmann | int len;
|
266 | 0958b4cc | Gerd Hoffmann | |
267 | 0958b4cc | Gerd Hoffmann | params = strchr(cmdline,':');
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268 | 0958b4cc | Gerd Hoffmann | if (params) {
|
269 | 0958b4cc | Gerd Hoffmann | params++; |
270 | 0958b4cc | Gerd Hoffmann | len = params - cmdline; |
271 | 0958b4cc | Gerd Hoffmann | if (len > sizeof(driver)) |
272 | 0958b4cc | Gerd Hoffmann | len = sizeof(driver);
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273 | 0958b4cc | Gerd Hoffmann | pstrcpy(driver, len, cmdline); |
274 | 0958b4cc | Gerd Hoffmann | } else {
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275 | 0958b4cc | Gerd Hoffmann | pstrcpy(driver, sizeof(driver), cmdline);
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276 | 0958b4cc | Gerd Hoffmann | } |
277 | 0958b4cc | Gerd Hoffmann | |
278 | 0958b4cc | Gerd Hoffmann | for (info = device_info_list; info != NULL; info = info->next) { |
279 | 0958b4cc | Gerd Hoffmann | if (info->bus_info != &usb_bus_info)
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280 | 0958b4cc | Gerd Hoffmann | continue;
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281 | 0958b4cc | Gerd Hoffmann | usb = DO_UPCAST(USBDeviceInfo, qdev, info); |
282 | 0958b4cc | Gerd Hoffmann | if (usb->usbdevice_name == NULL) |
283 | 0958b4cc | Gerd Hoffmann | continue;
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284 | 0958b4cc | Gerd Hoffmann | if (strcmp(usb->usbdevice_name, driver) != 0) |
285 | 0958b4cc | Gerd Hoffmann | continue;
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286 | 0958b4cc | Gerd Hoffmann | break;
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287 | 0958b4cc | Gerd Hoffmann | } |
288 | 0958b4cc | Gerd Hoffmann | if (info == NULL) { |
289 | 0958b4cc | Gerd Hoffmann | #if 0
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290 | 0958b4cc | Gerd Hoffmann | /* no error because some drivers are not converted (yet) */
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291 | 0958b4cc | Gerd Hoffmann | qemu_error("usbdevice %s not found\n", driver);
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292 | 0958b4cc | Gerd Hoffmann | #endif
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293 | 0958b4cc | Gerd Hoffmann | return NULL; |
294 | 0958b4cc | Gerd Hoffmann | } |
295 | 0958b4cc | Gerd Hoffmann | |
296 | 0958b4cc | Gerd Hoffmann | if (!usb->usbdevice_init) {
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297 | 0958b4cc | Gerd Hoffmann | if (params) {
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298 | 0958b4cc | Gerd Hoffmann | qemu_error("usbdevice %s accepts no params\n", driver);
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299 | 0958b4cc | Gerd Hoffmann | return NULL; |
300 | 0958b4cc | Gerd Hoffmann | } |
301 | 0958b4cc | Gerd Hoffmann | return usb_create_simple(bus, usb->qdev.name);
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302 | 0958b4cc | Gerd Hoffmann | } |
303 | 0958b4cc | Gerd Hoffmann | return usb->usbdevice_init(params);
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304 | 0958b4cc | Gerd Hoffmann | } |