root / hw / usb-bus.c @ c7a2196a
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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 | c7a2196a | Gerd Hoffmann | |
9 | c7a2196a | Gerd Hoffmann | static char *usb_get_dev_path(DeviceState *dev); |
10 | cdedd006 | Gleb Natapov | static char *usbbus_get_fw_dev_path(DeviceState *dev); |
11 | 806b6024 | Gerd Hoffmann | |
12 | 806b6024 | Gerd Hoffmann | static struct BusInfo usb_bus_info = { |
13 | a5d2f727 | Gerd Hoffmann | .name = "USB",
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14 | a5d2f727 | Gerd Hoffmann | .size = sizeof(USBBus),
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15 | a5d2f727 | Gerd Hoffmann | .print_dev = usb_bus_dev_print, |
16 | c7a2196a | Gerd Hoffmann | .get_dev_path = usb_get_dev_path, |
17 | cdedd006 | Gleb Natapov | .get_fw_dev_path = usbbus_get_fw_dev_path, |
18 | 806b6024 | Gerd Hoffmann | }; |
19 | 806b6024 | Gerd Hoffmann | static int next_usb_bus = 0; |
20 | 72cf2d4f | Blue Swirl | static QTAILQ_HEAD(, USBBus) busses = QTAILQ_HEAD_INITIALIZER(busses);
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21 | 806b6024 | Gerd Hoffmann | |
22 | b2317837 | Gerd Hoffmann | void usb_bus_new(USBBus *bus, DeviceState *host)
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23 | 806b6024 | Gerd Hoffmann | { |
24 | b2317837 | Gerd Hoffmann | qbus_create_inplace(&bus->qbus, &usb_bus_info, host, NULL);
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25 | 806b6024 | Gerd Hoffmann | bus->busnr = next_usb_bus++; |
26 | ef816d83 | Gerd Hoffmann | bus->qbus.allow_hotplug = 1; /* Yes, we can */ |
27 | 72cf2d4f | Blue Swirl | QTAILQ_INIT(&bus->free); |
28 | 72cf2d4f | Blue Swirl | QTAILQ_INIT(&bus->used); |
29 | 72cf2d4f | Blue Swirl | QTAILQ_INSERT_TAIL(&busses, bus, next); |
30 | 806b6024 | Gerd Hoffmann | } |
31 | 806b6024 | Gerd Hoffmann | |
32 | 806b6024 | Gerd Hoffmann | USBBus *usb_bus_find(int busnr)
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33 | 806b6024 | Gerd Hoffmann | { |
34 | 806b6024 | Gerd Hoffmann | USBBus *bus; |
35 | 806b6024 | Gerd Hoffmann | |
36 | 806b6024 | Gerd Hoffmann | if (-1 == busnr) |
37 | 72cf2d4f | Blue Swirl | return QTAILQ_FIRST(&busses);
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38 | 72cf2d4f | Blue Swirl | QTAILQ_FOREACH(bus, &busses, next) { |
39 | 806b6024 | Gerd Hoffmann | if (bus->busnr == busnr)
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40 | 806b6024 | Gerd Hoffmann | return bus;
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41 | 806b6024 | Gerd Hoffmann | } |
42 | 806b6024 | Gerd Hoffmann | return NULL; |
43 | 806b6024 | Gerd Hoffmann | } |
44 | 806b6024 | Gerd Hoffmann | |
45 | 806b6024 | Gerd Hoffmann | static int usb_qdev_init(DeviceState *qdev, DeviceInfo *base) |
46 | 806b6024 | Gerd Hoffmann | { |
47 | 806b6024 | Gerd Hoffmann | USBDevice *dev = DO_UPCAST(USBDevice, qdev, qdev); |
48 | 806b6024 | Gerd Hoffmann | USBDeviceInfo *info = DO_UPCAST(USBDeviceInfo, qdev, base); |
49 | 806b6024 | Gerd Hoffmann | int rc;
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50 | 806b6024 | Gerd Hoffmann | |
51 | 06384698 | Markus Armbruster | pstrcpy(dev->product_desc, sizeof(dev->product_desc), info->product_desc);
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52 | 806b6024 | Gerd Hoffmann | dev->info = info; |
53 | 61e094c0 | Gerd Hoffmann | dev->auto_attach = 1;
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54 | 132a3f55 | Gerd Hoffmann | QLIST_INIT(&dev->strings); |
55 | 806b6024 | Gerd Hoffmann | rc = dev->info->init(dev); |
56 | 61e094c0 | Gerd Hoffmann | if (rc == 0 && dev->auto_attach) |
57 | a5d2f727 | Gerd Hoffmann | usb_device_attach(dev); |
58 | 806b6024 | Gerd Hoffmann | return rc;
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59 | 806b6024 | Gerd Hoffmann | } |
60 | 806b6024 | Gerd Hoffmann | |
61 | a8e662b5 | Gerd Hoffmann | static int usb_qdev_exit(DeviceState *qdev) |
62 | a8e662b5 | Gerd Hoffmann | { |
63 | a8e662b5 | Gerd Hoffmann | USBDevice *dev = DO_UPCAST(USBDevice, qdev, qdev); |
64 | a8e662b5 | Gerd Hoffmann | |
65 | a8e662b5 | Gerd Hoffmann | usb_device_detach(dev); |
66 | a8e662b5 | Gerd Hoffmann | if (dev->info->handle_destroy) {
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67 | a8e662b5 | Gerd Hoffmann | dev->info->handle_destroy(dev); |
68 | a8e662b5 | Gerd Hoffmann | } |
69 | a8e662b5 | Gerd Hoffmann | return 0; |
70 | a8e662b5 | Gerd Hoffmann | } |
71 | a8e662b5 | Gerd Hoffmann | |
72 | 806b6024 | Gerd Hoffmann | void usb_qdev_register(USBDeviceInfo *info)
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73 | 806b6024 | Gerd Hoffmann | { |
74 | 806b6024 | Gerd Hoffmann | info->qdev.bus_info = &usb_bus_info; |
75 | 806b6024 | Gerd Hoffmann | info->qdev.init = usb_qdev_init; |
76 | ef816d83 | Gerd Hoffmann | info->qdev.unplug = qdev_simple_unplug_cb; |
77 | a8e662b5 | Gerd Hoffmann | info->qdev.exit = usb_qdev_exit; |
78 | 806b6024 | Gerd Hoffmann | qdev_register(&info->qdev); |
79 | 806b6024 | Gerd Hoffmann | } |
80 | 806b6024 | Gerd Hoffmann | |
81 | 806b6024 | Gerd Hoffmann | void usb_qdev_register_many(USBDeviceInfo *info)
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82 | 806b6024 | Gerd Hoffmann | { |
83 | 806b6024 | Gerd Hoffmann | while (info->qdev.name) {
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84 | 806b6024 | Gerd Hoffmann | usb_qdev_register(info); |
85 | 806b6024 | Gerd Hoffmann | info++; |
86 | 806b6024 | Gerd Hoffmann | } |
87 | 806b6024 | Gerd Hoffmann | } |
88 | 806b6024 | Gerd Hoffmann | |
89 | a5d2f727 | Gerd Hoffmann | USBDevice *usb_create(USBBus *bus, const char *name) |
90 | 806b6024 | Gerd Hoffmann | { |
91 | 806b6024 | Gerd Hoffmann | DeviceState *dev; |
92 | 806b6024 | Gerd Hoffmann | |
93 | 806b6024 | Gerd Hoffmann | #if 1 |
94 | 806b6024 | Gerd Hoffmann | /* temporary stopgap until all usb is properly qdev-ified */
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95 | 806b6024 | Gerd Hoffmann | if (!bus) {
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96 | 806b6024 | Gerd Hoffmann | bus = usb_bus_find(-1);
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97 | 806b6024 | Gerd Hoffmann | if (!bus)
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98 | 806b6024 | Gerd Hoffmann | return NULL; |
99 | 806b6024 | Gerd Hoffmann | fprintf(stderr, "%s: no bus specified, using \"%s\" for \"%s\"\n",
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100 | 806b6024 | Gerd Hoffmann | __FUNCTION__, bus->qbus.name, name); |
101 | 806b6024 | Gerd Hoffmann | } |
102 | 806b6024 | Gerd Hoffmann | #endif
|
103 | 806b6024 | Gerd Hoffmann | |
104 | 806b6024 | Gerd Hoffmann | dev = qdev_create(&bus->qbus, name); |
105 | 806b6024 | Gerd Hoffmann | return DO_UPCAST(USBDevice, qdev, dev);
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106 | 806b6024 | Gerd Hoffmann | } |
107 | a5d2f727 | Gerd Hoffmann | |
108 | a5d2f727 | Gerd Hoffmann | USBDevice *usb_create_simple(USBBus *bus, const char *name) |
109 | a5d2f727 | Gerd Hoffmann | { |
110 | a5d2f727 | Gerd Hoffmann | USBDevice *dev = usb_create(bus, name); |
111 | d44168ff | Paul Brook | if (!dev) {
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112 | d44168ff | Paul Brook | hw_error("Failed to create USB device '%s'\n", name);
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113 | d44168ff | Paul Brook | } |
114 | e23a1b33 | Markus Armbruster | qdev_init_nofail(&dev->qdev); |
115 | a5d2f727 | Gerd Hoffmann | return dev;
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116 | a5d2f727 | Gerd Hoffmann | } |
117 | a5d2f727 | Gerd Hoffmann | |
118 | a5d2f727 | Gerd Hoffmann | void usb_register_port(USBBus *bus, USBPort *port, void *opaque, int index, |
119 | 843d4e0c | Gerd Hoffmann | USBDevice *pdev, USBPortOps *ops, int speedmask)
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120 | a5d2f727 | Gerd Hoffmann | { |
121 | a5d2f727 | Gerd Hoffmann | port->opaque = opaque; |
122 | a5d2f727 | Gerd Hoffmann | port->index = index; |
123 | ab28ccc0 | Gleb Natapov | port->pdev = pdev; |
124 | 0d86d2be | Gerd Hoffmann | port->opaque = opaque; |
125 | 0d86d2be | Gerd Hoffmann | port->index = index; |
126 | 0d86d2be | Gerd Hoffmann | port->ops = ops; |
127 | 843d4e0c | Gerd Hoffmann | port->speedmask = speedmask; |
128 | 72cf2d4f | Blue Swirl | QTAILQ_INSERT_TAIL(&bus->free, port, next); |
129 | a5d2f727 | Gerd Hoffmann | bus->nfree++; |
130 | a5d2f727 | Gerd Hoffmann | } |
131 | a5d2f727 | Gerd Hoffmann | |
132 | c7a2196a | Gerd Hoffmann | void usb_port_location(USBPort *downstream, USBPort *upstream, int portnr) |
133 | c7a2196a | Gerd Hoffmann | { |
134 | c7a2196a | Gerd Hoffmann | if (upstream) {
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135 | c7a2196a | Gerd Hoffmann | snprintf(downstream->path, sizeof(downstream->path), "%s.%d", |
136 | c7a2196a | Gerd Hoffmann | upstream->path, portnr); |
137 | c7a2196a | Gerd Hoffmann | } else {
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138 | c7a2196a | Gerd Hoffmann | snprintf(downstream->path, sizeof(downstream->path), "%d", portnr); |
139 | c7a2196a | Gerd Hoffmann | } |
140 | c7a2196a | Gerd Hoffmann | } |
141 | c7a2196a | Gerd Hoffmann | |
142 | a8e662b5 | Gerd Hoffmann | void usb_unregister_port(USBBus *bus, USBPort *port)
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143 | a8e662b5 | Gerd Hoffmann | { |
144 | a8e662b5 | Gerd Hoffmann | if (port->dev)
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145 | a8e662b5 | Gerd Hoffmann | qdev_free(&port->dev->qdev); |
146 | a8e662b5 | Gerd Hoffmann | QTAILQ_REMOVE(&bus->free, port, next); |
147 | a8e662b5 | Gerd Hoffmann | bus->nfree--; |
148 | a8e662b5 | Gerd Hoffmann | } |
149 | a8e662b5 | Gerd Hoffmann | |
150 | a5d2f727 | Gerd Hoffmann | static void do_attach(USBDevice *dev) |
151 | a5d2f727 | Gerd Hoffmann | { |
152 | a5d2f727 | Gerd Hoffmann | USBBus *bus = usb_bus_from_device(dev); |
153 | a5d2f727 | Gerd Hoffmann | USBPort *port; |
154 | a5d2f727 | Gerd Hoffmann | |
155 | a5d2f727 | Gerd Hoffmann | if (dev->attached) {
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156 | a5d2f727 | Gerd Hoffmann | fprintf(stderr, "Warning: tried to attach usb device %s twice\n",
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157 | 0fe6d12e | Markus Armbruster | dev->product_desc); |
158 | a5d2f727 | Gerd Hoffmann | return;
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159 | a5d2f727 | Gerd Hoffmann | } |
160 | a5d2f727 | Gerd Hoffmann | dev->attached++; |
161 | a5d2f727 | Gerd Hoffmann | |
162 | 72cf2d4f | Blue Swirl | port = QTAILQ_FIRST(&bus->free); |
163 | 72cf2d4f | Blue Swirl | QTAILQ_REMOVE(&bus->free, port, next); |
164 | a5d2f727 | Gerd Hoffmann | bus->nfree--; |
165 | a5d2f727 | Gerd Hoffmann | |
166 | a5d2f727 | Gerd Hoffmann | usb_attach(port, dev); |
167 | a5d2f727 | Gerd Hoffmann | |
168 | 72cf2d4f | Blue Swirl | QTAILQ_INSERT_TAIL(&bus->used, port, next); |
169 | a5d2f727 | Gerd Hoffmann | bus->nused++; |
170 | a5d2f727 | Gerd Hoffmann | } |
171 | a5d2f727 | Gerd Hoffmann | |
172 | a5d2f727 | Gerd Hoffmann | int usb_device_attach(USBDevice *dev)
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173 | a5d2f727 | Gerd Hoffmann | { |
174 | a5d2f727 | Gerd Hoffmann | USBBus *bus = usb_bus_from_device(dev); |
175 | a5d2f727 | Gerd Hoffmann | |
176 | a5d2f727 | Gerd Hoffmann | if (bus->nfree == 1) { |
177 | a5d2f727 | Gerd Hoffmann | /* Create a new hub and chain it on. */
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178 | d4c4e6fd | Blue Swirl | usb_create_simple(bus, "usb-hub");
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179 | a5d2f727 | Gerd Hoffmann | } |
180 | a5d2f727 | Gerd Hoffmann | do_attach(dev); |
181 | a5d2f727 | Gerd Hoffmann | return 0; |
182 | a5d2f727 | Gerd Hoffmann | } |
183 | a5d2f727 | Gerd Hoffmann | |
184 | a8e662b5 | Gerd Hoffmann | int usb_device_detach(USBDevice *dev)
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185 | a8e662b5 | Gerd Hoffmann | { |
186 | a8e662b5 | Gerd Hoffmann | USBBus *bus = usb_bus_from_device(dev); |
187 | a8e662b5 | Gerd Hoffmann | USBPort *port; |
188 | a8e662b5 | Gerd Hoffmann | |
189 | a8e662b5 | Gerd Hoffmann | if (!dev->attached) {
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190 | a8e662b5 | Gerd Hoffmann | fprintf(stderr, "Warning: tried to detach unattached usb device %s\n",
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191 | 0fe6d12e | Markus Armbruster | dev->product_desc); |
192 | a8e662b5 | Gerd Hoffmann | return -1; |
193 | a8e662b5 | Gerd Hoffmann | } |
194 | a8e662b5 | Gerd Hoffmann | dev->attached--; |
195 | a8e662b5 | Gerd Hoffmann | |
196 | a8e662b5 | Gerd Hoffmann | QTAILQ_FOREACH(port, &bus->used, next) { |
197 | a8e662b5 | Gerd Hoffmann | if (port->dev == dev)
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198 | a8e662b5 | Gerd Hoffmann | break;
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199 | a8e662b5 | Gerd Hoffmann | } |
200 | a8e662b5 | Gerd Hoffmann | assert(port != NULL);
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201 | a8e662b5 | Gerd Hoffmann | |
202 | a8e662b5 | Gerd Hoffmann | QTAILQ_REMOVE(&bus->used, port, next); |
203 | a8e662b5 | Gerd Hoffmann | bus->nused--; |
204 | a8e662b5 | Gerd Hoffmann | |
205 | a8e662b5 | Gerd Hoffmann | usb_attach(port, NULL);
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206 | a8e662b5 | Gerd Hoffmann | |
207 | a8e662b5 | Gerd Hoffmann | QTAILQ_INSERT_TAIL(&bus->free, port, next); |
208 | a8e662b5 | Gerd Hoffmann | bus->nfree++; |
209 | a8e662b5 | Gerd Hoffmann | return 0; |
210 | a8e662b5 | Gerd Hoffmann | } |
211 | a8e662b5 | Gerd Hoffmann | |
212 | a5d2f727 | Gerd Hoffmann | int usb_device_delete_addr(int busnr, int addr) |
213 | a5d2f727 | Gerd Hoffmann | { |
214 | a5d2f727 | Gerd Hoffmann | USBBus *bus; |
215 | a5d2f727 | Gerd Hoffmann | USBPort *port; |
216 | a5d2f727 | Gerd Hoffmann | USBDevice *dev; |
217 | a5d2f727 | Gerd Hoffmann | |
218 | a5d2f727 | Gerd Hoffmann | bus = usb_bus_find(busnr); |
219 | a5d2f727 | Gerd Hoffmann | if (!bus)
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220 | a5d2f727 | Gerd Hoffmann | return -1; |
221 | a5d2f727 | Gerd Hoffmann | |
222 | 72cf2d4f | Blue Swirl | QTAILQ_FOREACH(port, &bus->used, next) { |
223 | a5d2f727 | Gerd Hoffmann | if (port->dev->addr == addr)
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224 | a5d2f727 | Gerd Hoffmann | break;
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225 | a5d2f727 | Gerd Hoffmann | } |
226 | a5d2f727 | Gerd Hoffmann | if (!port)
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227 | a5d2f727 | Gerd Hoffmann | return -1; |
228 | a5d2f727 | Gerd Hoffmann | dev = port->dev; |
229 | a5d2f727 | Gerd Hoffmann | |
230 | a8e662b5 | Gerd Hoffmann | qdev_free(&dev->qdev); |
231 | a5d2f727 | Gerd Hoffmann | return 0; |
232 | a5d2f727 | Gerd Hoffmann | } |
233 | a5d2f727 | Gerd Hoffmann | |
234 | a5d2f727 | Gerd Hoffmann | static const char *usb_speed(unsigned int speed) |
235 | a5d2f727 | Gerd Hoffmann | { |
236 | a5d2f727 | Gerd Hoffmann | static const char *txt[] = { |
237 | a5d2f727 | Gerd Hoffmann | [ USB_SPEED_LOW ] = "1.5",
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238 | a5d2f727 | Gerd Hoffmann | [ USB_SPEED_FULL ] = "12",
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239 | a5d2f727 | Gerd Hoffmann | [ USB_SPEED_HIGH ] = "480",
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240 | a5d2f727 | Gerd Hoffmann | }; |
241 | a5d2f727 | Gerd Hoffmann | if (speed >= ARRAY_SIZE(txt))
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242 | a5d2f727 | Gerd Hoffmann | return "?"; |
243 | a5d2f727 | Gerd Hoffmann | return txt[speed];
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244 | a5d2f727 | Gerd Hoffmann | } |
245 | a5d2f727 | Gerd Hoffmann | |
246 | a5d2f727 | Gerd Hoffmann | static void usb_bus_dev_print(Monitor *mon, DeviceState *qdev, int indent) |
247 | a5d2f727 | Gerd Hoffmann | { |
248 | a5d2f727 | Gerd Hoffmann | USBDevice *dev = DO_UPCAST(USBDevice, qdev, qdev); |
249 | a5d2f727 | Gerd Hoffmann | USBBus *bus = usb_bus_from_device(dev); |
250 | a5d2f727 | Gerd Hoffmann | |
251 | c7a2196a | Gerd Hoffmann | monitor_printf(mon, "%*saddr %d.%d, port %s, speed %s, name %s%s\n",
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252 | 66a6593a | Gerd Hoffmann | indent, "", bus->busnr, dev->addr,
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253 | c7a2196a | Gerd Hoffmann | dev->port ? dev->port->path : "-",
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254 | 0fe6d12e | Markus Armbruster | usb_speed(dev->speed), dev->product_desc, |
255 | 66a6593a | Gerd Hoffmann | dev->attached ? ", attached" : ""); |
256 | a5d2f727 | Gerd Hoffmann | } |
257 | a5d2f727 | Gerd Hoffmann | |
258 | c7a2196a | Gerd Hoffmann | static char *usb_get_dev_path(DeviceState *qdev) |
259 | c7a2196a | Gerd Hoffmann | { |
260 | c7a2196a | Gerd Hoffmann | USBDevice *dev = DO_UPCAST(USBDevice, qdev, qdev); |
261 | c7a2196a | Gerd Hoffmann | return qemu_strdup(dev->port->path);
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262 | c7a2196a | Gerd Hoffmann | } |
263 | c7a2196a | Gerd Hoffmann | |
264 | a5d2f727 | Gerd Hoffmann | void usb_info(Monitor *mon)
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265 | a5d2f727 | Gerd Hoffmann | { |
266 | a5d2f727 | Gerd Hoffmann | USBBus *bus; |
267 | a5d2f727 | Gerd Hoffmann | USBDevice *dev; |
268 | a5d2f727 | Gerd Hoffmann | USBPort *port; |
269 | a5d2f727 | Gerd Hoffmann | |
270 | 72cf2d4f | Blue Swirl | if (QTAILQ_EMPTY(&busses)) {
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271 | a5d2f727 | Gerd Hoffmann | monitor_printf(mon, "USB support not enabled\n");
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272 | a5d2f727 | Gerd Hoffmann | return;
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273 | a5d2f727 | Gerd Hoffmann | } |
274 | a5d2f727 | Gerd Hoffmann | |
275 | 72cf2d4f | Blue Swirl | QTAILQ_FOREACH(bus, &busses, next) { |
276 | 72cf2d4f | Blue Swirl | QTAILQ_FOREACH(port, &bus->used, next) { |
277 | a5d2f727 | Gerd Hoffmann | dev = port->dev; |
278 | a5d2f727 | Gerd Hoffmann | if (!dev)
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279 | a5d2f727 | Gerd Hoffmann | continue;
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280 | c7a2196a | Gerd Hoffmann | monitor_printf(mon, " Device %d.%d, Port %s, Speed %s Mb/s, Product %s\n",
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281 | c7a2196a | Gerd Hoffmann | bus->busnr, dev->addr, port->path, usb_speed(dev->speed), |
282 | 0fe6d12e | Markus Armbruster | dev->product_desc); |
283 | a5d2f727 | Gerd Hoffmann | } |
284 | a5d2f727 | Gerd Hoffmann | } |
285 | a5d2f727 | Gerd Hoffmann | } |
286 | a5d2f727 | Gerd Hoffmann | |
287 | 0958b4cc | Gerd Hoffmann | /* handle legacy -usbdevice cmd line option */
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288 | 0958b4cc | Gerd Hoffmann | USBDevice *usbdevice_create(const char *cmdline) |
289 | 0958b4cc | Gerd Hoffmann | { |
290 | 0958b4cc | Gerd Hoffmann | USBBus *bus = usb_bus_find(-1 /* any */); |
291 | 0958b4cc | Gerd Hoffmann | DeviceInfo *info; |
292 | 0958b4cc | Gerd Hoffmann | USBDeviceInfo *usb; |
293 | 702f3e0f | Jan Kiszka | char driver[32]; |
294 | 702f3e0f | Jan Kiszka | const char *params; |
295 | 0958b4cc | Gerd Hoffmann | int len;
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296 | 0958b4cc | Gerd Hoffmann | |
297 | 0958b4cc | Gerd Hoffmann | params = strchr(cmdline,':');
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298 | 0958b4cc | Gerd Hoffmann | if (params) {
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299 | 0958b4cc | Gerd Hoffmann | params++; |
300 | 0958b4cc | Gerd Hoffmann | len = params - cmdline; |
301 | 0958b4cc | Gerd Hoffmann | if (len > sizeof(driver)) |
302 | 0958b4cc | Gerd Hoffmann | len = sizeof(driver);
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303 | 0958b4cc | Gerd Hoffmann | pstrcpy(driver, len, cmdline); |
304 | 0958b4cc | Gerd Hoffmann | } else {
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305 | 702f3e0f | Jan Kiszka | params = "";
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306 | 0958b4cc | Gerd Hoffmann | pstrcpy(driver, sizeof(driver), cmdline);
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307 | 0958b4cc | Gerd Hoffmann | } |
308 | 0958b4cc | Gerd Hoffmann | |
309 | 0958b4cc | Gerd Hoffmann | for (info = device_info_list; info != NULL; info = info->next) { |
310 | 0958b4cc | Gerd Hoffmann | if (info->bus_info != &usb_bus_info)
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311 | 0958b4cc | Gerd Hoffmann | continue;
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312 | 0958b4cc | Gerd Hoffmann | usb = DO_UPCAST(USBDeviceInfo, qdev, info); |
313 | 0958b4cc | Gerd Hoffmann | if (usb->usbdevice_name == NULL) |
314 | 0958b4cc | Gerd Hoffmann | continue;
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315 | 0958b4cc | Gerd Hoffmann | if (strcmp(usb->usbdevice_name, driver) != 0) |
316 | 0958b4cc | Gerd Hoffmann | continue;
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317 | 0958b4cc | Gerd Hoffmann | break;
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318 | 0958b4cc | Gerd Hoffmann | } |
319 | 0958b4cc | Gerd Hoffmann | if (info == NULL) { |
320 | 0958b4cc | Gerd Hoffmann | #if 0
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321 | 0958b4cc | Gerd Hoffmann | /* no error because some drivers are not converted (yet) */
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322 | 1ecda02b | Markus Armbruster | error_report("usbdevice %s not found", driver);
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323 | 0958b4cc | Gerd Hoffmann | #endif
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324 | 0958b4cc | Gerd Hoffmann | return NULL; |
325 | 0958b4cc | Gerd Hoffmann | } |
326 | 0958b4cc | Gerd Hoffmann | |
327 | 0958b4cc | Gerd Hoffmann | if (!usb->usbdevice_init) {
|
328 | 98f22dc1 | TeLeMan | if (*params) {
|
329 | 1ecda02b | Markus Armbruster | error_report("usbdevice %s accepts no params", driver);
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330 | 0958b4cc | Gerd Hoffmann | return NULL; |
331 | 0958b4cc | Gerd Hoffmann | } |
332 | 0958b4cc | Gerd Hoffmann | return usb_create_simple(bus, usb->qdev.name);
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333 | 0958b4cc | Gerd Hoffmann | } |
334 | 0958b4cc | Gerd Hoffmann | return usb->usbdevice_init(params);
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335 | 0958b4cc | Gerd Hoffmann | } |
336 | cdedd006 | Gleb Natapov | |
337 | cdedd006 | Gleb Natapov | static int usbbus_get_fw_dev_path_helper(USBDevice *d, USBBus *bus, char *p, |
338 | cdedd006 | Gleb Natapov | int len)
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339 | cdedd006 | Gleb Natapov | { |
340 | cdedd006 | Gleb Natapov | int l = 0; |
341 | cdedd006 | Gleb Natapov | USBPort *port; |
342 | cdedd006 | Gleb Natapov | |
343 | cdedd006 | Gleb Natapov | QTAILQ_FOREACH(port, &bus->used, next) { |
344 | cdedd006 | Gleb Natapov | if (port->dev == d) {
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345 | cdedd006 | Gleb Natapov | if (port->pdev) {
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346 | cdedd006 | Gleb Natapov | l = usbbus_get_fw_dev_path_helper(port->pdev, bus, p, len); |
347 | cdedd006 | Gleb Natapov | } |
348 | cdedd006 | Gleb Natapov | l += snprintf(p + l, len - l, "%s@%x/", qdev_fw_name(&d->qdev),
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349 | cdedd006 | Gleb Natapov | port->index); |
350 | cdedd006 | Gleb Natapov | break;
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351 | cdedd006 | Gleb Natapov | } |
352 | cdedd006 | Gleb Natapov | } |
353 | cdedd006 | Gleb Natapov | |
354 | cdedd006 | Gleb Natapov | return l;
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355 | cdedd006 | Gleb Natapov | } |
356 | cdedd006 | Gleb Natapov | |
357 | cdedd006 | Gleb Natapov | static char *usbbus_get_fw_dev_path(DeviceState *dev) |
358 | cdedd006 | Gleb Natapov | { |
359 | cdedd006 | Gleb Natapov | USBDevice *d = (USBDevice*)dev; |
360 | cdedd006 | Gleb Natapov | USBBus *bus = usb_bus_from_device(d); |
361 | cdedd006 | Gleb Natapov | char path[100]; |
362 | cdedd006 | Gleb Natapov | int l;
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363 | cdedd006 | Gleb Natapov | |
364 | cdedd006 | Gleb Natapov | assert(d->attached != 0);
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365 | cdedd006 | Gleb Natapov | |
366 | cdedd006 | Gleb Natapov | l = usbbus_get_fw_dev_path_helper(d, bus, path, sizeof(path));
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367 | cdedd006 | Gleb Natapov | |
368 | cdedd006 | Gleb Natapov | if (l == 0) { |
369 | cdedd006 | Gleb Natapov | abort(); |
370 | cdedd006 | Gleb Natapov | } |
371 | cdedd006 | Gleb Natapov | |
372 | cdedd006 | Gleb Natapov | path[l-1] = '\0'; |
373 | cdedd006 | Gleb Natapov | |
374 | cdedd006 | Gleb Natapov | return strdup(path);
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375 | cdedd006 | Gleb Natapov | } |