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Commit | Line | Data |
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72899afc FB |
1 | /* |
2 | * QEMU USB HUB emulation | |
3 | * | |
4 | * Copyright (c) 2005 Fabrice Bellard | |
5fafdf24 | 5 | * |
72899afc FB |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
22 | * THE SOFTWARE. | |
23 | */ | |
e532b2e0 | 24 | #include "qemu/osdep.h" |
da34e65c | 25 | #include "qapi/error.h" |
87ecb68b | 26 | #include "qemu-common.h" |
529f8f9f | 27 | #include "trace.h" |
f1ae32a1 GH |
28 | #include "hw/usb.h" |
29 | #include "hw/usb/desc.h" | |
c24e4aac | 30 | #include "qemu/error-report.h" |
72899afc | 31 | |
062651c7 | 32 | #define NUM_PORTS 8 |
72899afc FB |
33 | |
34 | typedef struct USBHubPort { | |
35 | USBPort port; | |
36 | uint16_t wPortStatus; | |
37 | uint16_t wPortChange; | |
38 | } USBHubPort; | |
39 | ||
40 | typedef struct USBHubState { | |
41 | USBDevice dev; | |
7567b51f | 42 | USBEndpoint *intr; |
062651c7 | 43 | USBHubPort ports[NUM_PORTS]; |
72899afc FB |
44 | } USBHubState; |
45 | ||
e81b13ad GA |
46 | #define TYPE_USB_HUB "usb-hub" |
47 | #define USB_HUB(obj) OBJECT_CHECK(USBHubState, (obj), TYPE_USB_HUB) | |
48 | ||
72899afc FB |
49 | #define ClearHubFeature (0x2000 | USB_REQ_CLEAR_FEATURE) |
50 | #define ClearPortFeature (0x2300 | USB_REQ_CLEAR_FEATURE) | |
51 | #define GetHubDescriptor (0xa000 | USB_REQ_GET_DESCRIPTOR) | |
52 | #define GetHubStatus (0xa000 | USB_REQ_GET_STATUS) | |
53 | #define GetPortStatus (0xa300 | USB_REQ_GET_STATUS) | |
54 | #define SetHubFeature (0x2000 | USB_REQ_SET_FEATURE) | |
55 | #define SetPortFeature (0x2300 | USB_REQ_SET_FEATURE) | |
56 | ||
57 | #define PORT_STAT_CONNECTION 0x0001 | |
58 | #define PORT_STAT_ENABLE 0x0002 | |
59 | #define PORT_STAT_SUSPEND 0x0004 | |
60 | #define PORT_STAT_OVERCURRENT 0x0008 | |
61 | #define PORT_STAT_RESET 0x0010 | |
62 | #define PORT_STAT_POWER 0x0100 | |
63 | #define PORT_STAT_LOW_SPEED 0x0200 | |
64 | #define PORT_STAT_HIGH_SPEED 0x0400 | |
65 | #define PORT_STAT_TEST 0x0800 | |
66 | #define PORT_STAT_INDICATOR 0x1000 | |
67 | ||
68 | #define PORT_STAT_C_CONNECTION 0x0001 | |
69 | #define PORT_STAT_C_ENABLE 0x0002 | |
70 | #define PORT_STAT_C_SUSPEND 0x0004 | |
71 | #define PORT_STAT_C_OVERCURRENT 0x0008 | |
72 | #define PORT_STAT_C_RESET 0x0010 | |
73 | ||
74 | #define PORT_CONNECTION 0 | |
75 | #define PORT_ENABLE 1 | |
76 | #define PORT_SUSPEND 2 | |
77 | #define PORT_OVERCURRENT 3 | |
78 | #define PORT_RESET 4 | |
79 | #define PORT_POWER 8 | |
80 | #define PORT_LOWSPEED 9 | |
81 | #define PORT_HIGHSPEED 10 | |
82 | #define PORT_C_CONNECTION 16 | |
83 | #define PORT_C_ENABLE 17 | |
84 | #define PORT_C_SUSPEND 18 | |
85 | #define PORT_C_OVERCURRENT 19 | |
86 | #define PORT_C_RESET 20 | |
87 | #define PORT_TEST 21 | |
88 | #define PORT_INDICATOR 22 | |
89 | ||
90 | /* same as Linux kernel root hubs */ | |
91 | ||
062651c7 GH |
92 | enum { |
93 | STR_MANUFACTURER = 1, | |
94 | STR_PRODUCT, | |
95 | STR_SERIALNUMBER, | |
96 | }; | |
97 | ||
98 | static const USBDescStrings desc_strings = { | |
93bfef4c | 99 | [STR_MANUFACTURER] = "QEMU", |
062651c7 GH |
100 | [STR_PRODUCT] = "QEMU USB Hub", |
101 | [STR_SERIALNUMBER] = "314159", | |
102 | }; | |
103 | ||
104 | static const USBDescIface desc_iface_hub = { | |
105 | .bInterfaceNumber = 0, | |
106 | .bNumEndpoints = 1, | |
107 | .bInterfaceClass = USB_CLASS_HUB, | |
108 | .eps = (USBDescEndpoint[]) { | |
109 | { | |
110 | .bEndpointAddress = USB_DIR_IN | 0x01, | |
111 | .bmAttributes = USB_ENDPOINT_XFER_INT, | |
112 | .wMaxPacketSize = 1 + (NUM_PORTS + 7) / 8, | |
113 | .bInterval = 0xff, | |
114 | }, | |
115 | } | |
116 | }; | |
117 | ||
118 | static const USBDescDevice desc_device_hub = { | |
119 | .bcdUSB = 0x0110, | |
120 | .bDeviceClass = USB_CLASS_HUB, | |
121 | .bMaxPacketSize0 = 8, | |
122 | .bNumConfigurations = 1, | |
123 | .confs = (USBDescConfig[]) { | |
124 | { | |
125 | .bNumInterfaces = 1, | |
126 | .bConfigurationValue = 1, | |
bd93976a PK |
127 | .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_SELFPOWER | |
128 | USB_CFG_ATT_WAKEUP, | |
add75088 | 129 | .nif = 1, |
062651c7 GH |
130 | .ifs = &desc_iface_hub, |
131 | }, | |
132 | }, | |
133 | }; | |
134 | ||
135 | static const USBDesc desc_hub = { | |
136 | .id = { | |
db80358a RT |
137 | .idVendor = 0x0409, |
138 | .idProduct = 0x55aa, | |
062651c7 GH |
139 | .bcdDevice = 0x0101, |
140 | .iManufacturer = STR_MANUFACTURER, | |
141 | .iProduct = STR_PRODUCT, | |
142 | .iSerialNumber = STR_SERIALNUMBER, | |
143 | }, | |
144 | .full = &desc_device_hub, | |
145 | .str = desc_strings, | |
146 | }; | |
147 | ||
72899afc FB |
148 | static const uint8_t qemu_hub_hub_descriptor[] = |
149 | { | |
67f36560 | 150 | 0x00, /* u8 bLength; patched in later */ |
72899afc FB |
151 | 0x29, /* u8 bDescriptorType; Hub-descriptor */ |
152 | 0x00, /* u8 bNbrPorts; (patched later) */ | |
153 | 0x0a, /* u16 wHubCharacteristics; */ | |
154 | 0x00, /* (per-port OC, no power switching) */ | |
155 | 0x01, /* u8 bPwrOn2pwrGood; 2ms */ | |
985d1742 FB |
156 | 0x00 /* u8 bHubContrCurrent; 0 mA */ |
157 | ||
158 | /* DeviceRemovable and PortPwrCtrlMask patched in later */ | |
72899afc FB |
159 | }; |
160 | ||
618c169b | 161 | static void usb_hub_attach(USBPort *port1) |
72899afc FB |
162 | { |
163 | USBHubState *s = port1->opaque; | |
164 | USBHubPort *port = &s->ports[port1->index]; | |
3b46e624 | 165 | |
529f8f9f | 166 | trace_usb_hub_attach(s->dev.addr, port1->index + 1); |
618c169b GH |
167 | port->wPortStatus |= PORT_STAT_CONNECTION; |
168 | port->wPortChange |= PORT_STAT_C_CONNECTION; | |
169 | if (port->port.dev->speed == USB_SPEED_LOW) { | |
170 | port->wPortStatus |= PORT_STAT_LOW_SPEED; | |
72899afc | 171 | } else { |
618c169b GH |
172 | port->wPortStatus &= ~PORT_STAT_LOW_SPEED; |
173 | } | |
8550a02d | 174 | usb_wakeup(s->intr, 0); |
618c169b GH |
175 | } |
176 | ||
177 | static void usb_hub_detach(USBPort *port1) | |
178 | { | |
179 | USBHubState *s = port1->opaque; | |
180 | USBHubPort *port = &s->ports[port1->index]; | |
181 | ||
529f8f9f | 182 | trace_usb_hub_detach(s->dev.addr, port1->index + 1); |
8550a02d | 183 | usb_wakeup(s->intr, 0); |
be35cbbc | 184 | |
4706ab6c HG |
185 | /* Let upstream know the device on this port is gone */ |
186 | s->dev.port->ops->child_detach(s->dev.port, port1->dev); | |
187 | ||
618c169b GH |
188 | port->wPortStatus &= ~PORT_STAT_CONNECTION; |
189 | port->wPortChange |= PORT_STAT_C_CONNECTION; | |
190 | if (port->wPortStatus & PORT_STAT_ENABLE) { | |
191 | port->wPortStatus &= ~PORT_STAT_ENABLE; | |
192 | port->wPortChange |= PORT_STAT_C_ENABLE; | |
72899afc | 193 | } |
8550a02d | 194 | usb_wakeup(s->intr, 0); |
72899afc FB |
195 | } |
196 | ||
4706ab6c HG |
197 | static void usb_hub_child_detach(USBPort *port1, USBDevice *child) |
198 | { | |
199 | USBHubState *s = port1->opaque; | |
200 | ||
201 | /* Pass along upstream */ | |
202 | s->dev.port->ops->child_detach(s->dev.port, child); | |
203 | } | |
204 | ||
d47e59b8 | 205 | static void usb_hub_wakeup(USBPort *port1) |
34239c7b | 206 | { |
d47e59b8 HG |
207 | USBHubState *s = port1->opaque; |
208 | USBHubPort *port = &s->ports[port1->index]; | |
34239c7b GH |
209 | |
210 | if (port->wPortStatus & PORT_STAT_SUSPEND) { | |
66849dcf | 211 | port->wPortStatus &= ~PORT_STAT_SUSPEND; |
34239c7b | 212 | port->wPortChange |= PORT_STAT_C_SUSPEND; |
8550a02d | 213 | usb_wakeup(s->intr, 0); |
34239c7b GH |
214 | } |
215 | } | |
216 | ||
d47e59b8 | 217 | static void usb_hub_complete(USBPort *port, USBPacket *packet) |
13a9a0d3 | 218 | { |
d47e59b8 | 219 | USBHubState *s = port->opaque; |
13a9a0d3 GH |
220 | |
221 | /* | |
222 | * Just pass it along upstream for now. | |
223 | * | |
80cf7cf7 | 224 | * If we ever implement usb 2.0 split transactions this will |
13a9a0d3 | 225 | * become a little more complicated ... |
80cf7cf7 GH |
226 | * |
227 | * Can't use usb_packet_complete() here because packet->owner is | |
228 | * cleared already, go call the ->complete() callback directly | |
229 | * instead. | |
13a9a0d3 | 230 | */ |
80cf7cf7 | 231 | s->dev.port->ops->complete(s->dev.port, packet); |
13a9a0d3 GH |
232 | } |
233 | ||
06c75088 GH |
234 | static USBDevice *usb_hub_find_device(USBDevice *dev, uint8_t addr) |
235 | { | |
e81b13ad | 236 | USBHubState *s = USB_HUB(dev); |
06c75088 GH |
237 | USBHubPort *port; |
238 | USBDevice *downstream; | |
239 | int i; | |
240 | ||
241 | for (i = 0; i < NUM_PORTS; i++) { | |
242 | port = &s->ports[i]; | |
243 | if (!(port->wPortStatus & PORT_STAT_ENABLE)) { | |
244 | continue; | |
245 | } | |
246 | downstream = usb_find_device(&port->port, addr); | |
247 | if (downstream != NULL) { | |
248 | return downstream; | |
249 | } | |
250 | } | |
251 | return NULL; | |
252 | } | |
253 | ||
059809e4 | 254 | static void usb_hub_handle_reset(USBDevice *dev) |
72899afc | 255 | { |
e81b13ad | 256 | USBHubState *s = USB_HUB(dev); |
20d183b6 GH |
257 | USBHubPort *port; |
258 | int i; | |
259 | ||
529f8f9f | 260 | trace_usb_hub_reset(s->dev.addr); |
20d183b6 GH |
261 | for (i = 0; i < NUM_PORTS; i++) { |
262 | port = s->ports + i; | |
263 | port->wPortStatus = PORT_STAT_POWER; | |
264 | port->wPortChange = 0; | |
265 | if (port->port.dev && port->port.dev->attached) { | |
266 | port->wPortStatus |= PORT_STAT_CONNECTION; | |
267 | port->wPortChange |= PORT_STAT_C_CONNECTION; | |
268 | if (port->port.dev->speed == USB_SPEED_LOW) { | |
269 | port->wPortStatus |= PORT_STAT_LOW_SPEED; | |
270 | } | |
271 | } | |
272 | } | |
72899afc FB |
273 | } |
274 | ||
529f8f9f GH |
275 | static const char *feature_name(int feature) |
276 | { | |
277 | static const char *name[] = { | |
278 | [PORT_CONNECTION] = "connection", | |
279 | [PORT_ENABLE] = "enable", | |
280 | [PORT_SUSPEND] = "suspend", | |
281 | [PORT_OVERCURRENT] = "overcurrent", | |
282 | [PORT_RESET] = "reset", | |
283 | [PORT_POWER] = "power", | |
284 | [PORT_LOWSPEED] = "lowspeed", | |
285 | [PORT_HIGHSPEED] = "highspeed", | |
286 | [PORT_C_CONNECTION] = "change connection", | |
287 | [PORT_C_ENABLE] = "change enable", | |
288 | [PORT_C_SUSPEND] = "change suspend", | |
289 | [PORT_C_OVERCURRENT] = "change overcurrent", | |
290 | [PORT_C_RESET] = "change reset", | |
291 | [PORT_TEST] = "test", | |
292 | [PORT_INDICATOR] = "indicator", | |
293 | }; | |
294 | if (feature < 0 || feature >= ARRAY_SIZE(name)) { | |
295 | return "?"; | |
296 | } | |
297 | return name[feature] ?: "?"; | |
298 | } | |
299 | ||
9a77a0f5 | 300 | static void usb_hub_handle_control(USBDevice *dev, USBPacket *p, |
007fd62f | 301 | int request, int value, int index, int length, uint8_t *data) |
72899afc FB |
302 | { |
303 | USBHubState *s = (USBHubState *)dev; | |
304 | int ret; | |
305 | ||
529f8f9f GH |
306 | trace_usb_hub_control(s->dev.addr, request, value, index, length); |
307 | ||
007fd62f | 308 | ret = usb_desc_handle_control(dev, p, request, value, index, length, data); |
062651c7 | 309 | if (ret >= 0) { |
9a77a0f5 | 310 | return; |
062651c7 GH |
311 | } |
312 | ||
72899afc | 313 | switch(request) { |
985d1742 FB |
314 | case EndpointOutRequest | USB_REQ_CLEAR_FEATURE: |
315 | if (value == 0 && index != 0x81) { /* clear ep halt */ | |
316 | goto fail; | |
317 | } | |
985d1742 | 318 | break; |
72899afc FB |
319 | /* usb specific requests */ |
320 | case GetHubStatus: | |
321 | data[0] = 0; | |
322 | data[1] = 0; | |
323 | data[2] = 0; | |
324 | data[3] = 0; | |
9a77a0f5 | 325 | p->actual_length = 4; |
72899afc FB |
326 | break; |
327 | case GetPortStatus: | |
328 | { | |
329 | unsigned int n = index - 1; | |
330 | USBHubPort *port; | |
062651c7 | 331 | if (n >= NUM_PORTS) { |
72899afc | 332 | goto fail; |
062651c7 | 333 | } |
72899afc | 334 | port = &s->ports[n]; |
529f8f9f GH |
335 | trace_usb_hub_get_port_status(s->dev.addr, index, |
336 | port->wPortStatus, | |
337 | port->wPortChange); | |
72899afc FB |
338 | data[0] = port->wPortStatus; |
339 | data[1] = port->wPortStatus >> 8; | |
340 | data[2] = port->wPortChange; | |
341 | data[3] = port->wPortChange >> 8; | |
9a77a0f5 | 342 | p->actual_length = 4; |
72899afc FB |
343 | } |
344 | break; | |
345 | case SetHubFeature: | |
346 | case ClearHubFeature: | |
9a77a0f5 | 347 | if (value != 0 && value != 1) { |
72899afc FB |
348 | goto fail; |
349 | } | |
72899afc FB |
350 | break; |
351 | case SetPortFeature: | |
352 | { | |
353 | unsigned int n = index - 1; | |
354 | USBHubPort *port; | |
355 | USBDevice *dev; | |
529f8f9f GH |
356 | |
357 | trace_usb_hub_set_port_feature(s->dev.addr, index, | |
358 | feature_name(value)); | |
359 | ||
062651c7 | 360 | if (n >= NUM_PORTS) { |
72899afc | 361 | goto fail; |
062651c7 | 362 | } |
72899afc FB |
363 | port = &s->ports[n]; |
364 | dev = port->port.dev; | |
365 | switch(value) { | |
366 | case PORT_SUSPEND: | |
367 | port->wPortStatus |= PORT_STAT_SUSPEND; | |
368 | break; | |
369 | case PORT_RESET: | |
3393bc10 | 370 | if (dev && dev->attached) { |
d28f4e2d | 371 | usb_device_reset(dev); |
72899afc FB |
372 | port->wPortChange |= PORT_STAT_C_RESET; |
373 | /* set enable bit */ | |
72899afc | 374 | port->wPortStatus |= PORT_STAT_ENABLE; |
8550a02d | 375 | usb_wakeup(s->intr, 0); |
72899afc FB |
376 | } |
377 | break; | |
378 | case PORT_POWER: | |
379 | break; | |
380 | default: | |
381 | goto fail; | |
382 | } | |
72899afc FB |
383 | } |
384 | break; | |
385 | case ClearPortFeature: | |
386 | { | |
387 | unsigned int n = index - 1; | |
388 | USBHubPort *port; | |
d4c4e6fd | 389 | |
529f8f9f GH |
390 | trace_usb_hub_clear_port_feature(s->dev.addr, index, |
391 | feature_name(value)); | |
392 | ||
062651c7 | 393 | if (n >= NUM_PORTS) { |
72899afc | 394 | goto fail; |
062651c7 | 395 | } |
72899afc | 396 | port = &s->ports[n]; |
72899afc FB |
397 | switch(value) { |
398 | case PORT_ENABLE: | |
399 | port->wPortStatus &= ~PORT_STAT_ENABLE; | |
400 | break; | |
401 | case PORT_C_ENABLE: | |
402 | port->wPortChange &= ~PORT_STAT_C_ENABLE; | |
403 | break; | |
404 | case PORT_SUSPEND: | |
6361bbc7 LP |
405 | if (port->wPortStatus & PORT_STAT_SUSPEND) { |
406 | port->wPortStatus &= ~PORT_STAT_SUSPEND; | |
407 | ||
408 | /* | |
409 | * USB Spec rev2.0 11.24.2.7.2.3 C_PORT_SUSPEND | |
410 | * "This bit is set on the following transitions: | |
411 | * - On transition from the Resuming state to the | |
412 | * SendEOP [sic] state" | |
413 | * | |
414 | * Note that this includes both remote wake-up and | |
415 | * explicit ClearPortFeature(PORT_SUSPEND). | |
416 | */ | |
417 | port->wPortChange |= PORT_STAT_C_SUSPEND; | |
418 | } | |
72899afc FB |
419 | break; |
420 | case PORT_C_SUSPEND: | |
421 | port->wPortChange &= ~PORT_STAT_C_SUSPEND; | |
422 | break; | |
423 | case PORT_C_CONNECTION: | |
424 | port->wPortChange &= ~PORT_STAT_C_CONNECTION; | |
425 | break; | |
426 | case PORT_C_OVERCURRENT: | |
427 | port->wPortChange &= ~PORT_STAT_C_OVERCURRENT; | |
428 | break; | |
429 | case PORT_C_RESET: | |
430 | port->wPortChange &= ~PORT_STAT_C_RESET; | |
431 | break; | |
432 | default: | |
433 | goto fail; | |
434 | } | |
72899afc FB |
435 | } |
436 | break; | |
437 | case GetHubDescriptor: | |
985d1742 FB |
438 | { |
439 | unsigned int n, limit, var_hub_size = 0; | |
5fafdf24 | 440 | memcpy(data, qemu_hub_hub_descriptor, |
985d1742 | 441 | sizeof(qemu_hub_hub_descriptor)); |
062651c7 | 442 | data[2] = NUM_PORTS; |
985d1742 FB |
443 | |
444 | /* fill DeviceRemovable bits */ | |
062651c7 | 445 | limit = ((NUM_PORTS + 1 + 7) / 8) + 7; |
985d1742 FB |
446 | for (n = 7; n < limit; n++) { |
447 | data[n] = 0x00; | |
448 | var_hub_size++; | |
449 | } | |
450 | ||
451 | /* fill PortPwrCtrlMask bits */ | |
062651c7 | 452 | limit = limit + ((NUM_PORTS + 7) / 8); |
985d1742 FB |
453 | for (;n < limit; n++) { |
454 | data[n] = 0xff; | |
455 | var_hub_size++; | |
456 | } | |
457 | ||
9a77a0f5 HG |
458 | p->actual_length = sizeof(qemu_hub_hub_descriptor) + var_hub_size; |
459 | data[0] = p->actual_length; | |
985d1742 FB |
460 | break; |
461 | } | |
72899afc FB |
462 | default: |
463 | fail: | |
9a77a0f5 | 464 | p->status = USB_RET_STALL; |
72899afc FB |
465 | break; |
466 | } | |
72899afc FB |
467 | } |
468 | ||
9a77a0f5 | 469 | static void usb_hub_handle_data(USBDevice *dev, USBPacket *p) |
72899afc FB |
470 | { |
471 | USBHubState *s = (USBHubState *)dev; | |
72899afc | 472 | |
4d611c9a | 473 | switch(p->pid) { |
72899afc | 474 | case USB_TOKEN_IN: |
079d0b7f | 475 | if (p->ep->nr == 1) { |
72899afc FB |
476 | USBHubPort *port; |
477 | unsigned int status; | |
4f4321c1 | 478 | uint8_t buf[4]; |
72899afc | 479 | int i, n; |
062651c7 | 480 | n = (NUM_PORTS + 1 + 7) / 8; |
4f4321c1 | 481 | if (p->iov.size == 1) { /* FreeBSD workaround */ |
985d1742 | 482 | n = 1; |
4f4321c1 | 483 | } else if (n > p->iov.size) { |
9a77a0f5 HG |
484 | p->status = USB_RET_BABBLE; |
485 | return; | |
985d1742 | 486 | } |
72899afc | 487 | status = 0; |
062651c7 | 488 | for(i = 0; i < NUM_PORTS; i++) { |
72899afc | 489 | port = &s->ports[i]; |
bdebd6ee | 490 | if (port->wPortChange) |
72899afc FB |
491 | status |= (1 << (i + 1)); |
492 | } | |
493 | if (status != 0) { | |
b8cbc137 | 494 | trace_usb_hub_status_report(s->dev.addr, status); |
72899afc | 495 | for(i = 0; i < n; i++) { |
4f4321c1 | 496 | buf[i] = status >> (8 * i); |
72899afc | 497 | } |
4f4321c1 | 498 | usb_packet_copy(p, buf, n); |
72899afc | 499 | } else { |
9a77a0f5 | 500 | p->status = USB_RET_NAK; /* usb11 11.13.1 */ |
72899afc FB |
501 | } |
502 | } else { | |
503 | goto fail; | |
504 | } | |
505 | break; | |
506 | case USB_TOKEN_OUT: | |
507 | default: | |
508 | fail: | |
9a77a0f5 | 509 | p->status = USB_RET_STALL; |
72899afc FB |
510 | break; |
511 | } | |
72899afc FB |
512 | } |
513 | ||
c4fe9700 | 514 | static void usb_hub_unrealize(USBDevice *dev, Error **errp) |
059809e4 FB |
515 | { |
516 | USBHubState *s = (USBHubState *)dev; | |
a8e662b5 | 517 | int i; |
059809e4 | 518 | |
062651c7 | 519 | for (i = 0; i < NUM_PORTS; i++) { |
a8e662b5 GH |
520 | usb_unregister_port(usb_bus_from_device(dev), |
521 | &s->ports[i].port); | |
522 | } | |
059809e4 FB |
523 | } |
524 | ||
0d86d2be GH |
525 | static USBPortOps usb_hub_port_ops = { |
526 | .attach = usb_hub_attach, | |
618c169b | 527 | .detach = usb_hub_detach, |
4706ab6c | 528 | .child_detach = usb_hub_child_detach, |
34239c7b | 529 | .wakeup = usb_hub_wakeup, |
13a9a0d3 | 530 | .complete = usb_hub_complete, |
0d86d2be GH |
531 | }; |
532 | ||
f3f8c459 | 533 | static void usb_hub_realize(USBDevice *dev, Error **errp) |
72899afc | 534 | { |
e81b13ad | 535 | USBHubState *s = USB_HUB(dev); |
72899afc FB |
536 | USBHubPort *port; |
537 | int i; | |
538 | ||
c24e4aac | 539 | if (dev->port->hubcount == 5) { |
f3f8c459 GA |
540 | error_setg(errp, "usb hub chain too deep"); |
541 | return; | |
c24e4aac GH |
542 | } |
543 | ||
9d55d1ad | 544 | usb_desc_create_serial(dev); |
a980a065 | 545 | usb_desc_init(dev); |
7567b51f | 546 | s->intr = usb_ep_get(dev, USB_TOKEN_IN, 1); |
062651c7 | 547 | for (i = 0; i < NUM_PORTS; i++) { |
72899afc | 548 | port = &s->ports[i]; |
a5d2f727 | 549 | usb_register_port(usb_bus_from_device(dev), |
ace1318b | 550 | &port->port, s, i, &usb_hub_port_ops, |
843d4e0c | 551 | USB_SPEED_MASK_LOW | USB_SPEED_MASK_FULL); |
891fb2cd | 552 | usb_port_location(&port->port, dev->port, i+1); |
72899afc | 553 | } |
20d183b6 | 554 | usb_hub_handle_reset(dev); |
806b6024 GH |
555 | } |
556 | ||
d1550090 GH |
557 | static const VMStateDescription vmstate_usb_hub_port = { |
558 | .name = "usb-hub-port", | |
559 | .version_id = 1, | |
560 | .minimum_version_id = 1, | |
6e3d652a | 561 | .fields = (VMStateField[]) { |
d1550090 GH |
562 | VMSTATE_UINT16(wPortStatus, USBHubPort), |
563 | VMSTATE_UINT16(wPortChange, USBHubPort), | |
564 | VMSTATE_END_OF_LIST() | |
565 | } | |
566 | }; | |
567 | ||
568 | static const VMStateDescription vmstate_usb_hub = { | |
569 | .name = "usb-hub", | |
570 | .version_id = 1, | |
571 | .minimum_version_id = 1, | |
6e3d652a | 572 | .fields = (VMStateField[]) { |
d1550090 GH |
573 | VMSTATE_USB_DEVICE(dev, USBHubState), |
574 | VMSTATE_STRUCT_ARRAY(ports, USBHubState, NUM_PORTS, 0, | |
575 | vmstate_usb_hub_port, USBHubPort), | |
576 | VMSTATE_END_OF_LIST() | |
577 | } | |
578 | }; | |
579 | ||
39bffca2 | 580 | static void usb_hub_class_initfn(ObjectClass *klass, void *data) |
62aed765 | 581 | { |
39bffca2 | 582 | DeviceClass *dc = DEVICE_CLASS(klass); |
62aed765 AL |
583 | USBDeviceClass *uc = USB_DEVICE_CLASS(klass); |
584 | ||
f3f8c459 | 585 | uc->realize = usb_hub_realize; |
62aed765 AL |
586 | uc->product_desc = "QEMU USB Hub"; |
587 | uc->usb_desc = &desc_hub; | |
06c75088 | 588 | uc->find_device = usb_hub_find_device; |
62aed765 AL |
589 | uc->handle_reset = usb_hub_handle_reset; |
590 | uc->handle_control = usb_hub_handle_control; | |
591 | uc->handle_data = usb_hub_handle_data; | |
c4fe9700 | 592 | uc->unrealize = usb_hub_unrealize; |
125ee0ed | 593 | set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories); |
39bffca2 AL |
594 | dc->fw_name = "hub"; |
595 | dc->vmsd = &vmstate_usb_hub; | |
62aed765 AL |
596 | } |
597 | ||
8c43a6f0 | 598 | static const TypeInfo hub_info = { |
e81b13ad | 599 | .name = TYPE_USB_HUB, |
39bffca2 AL |
600 | .parent = TYPE_USB_DEVICE, |
601 | .instance_size = sizeof(USBHubState), | |
602 | .class_init = usb_hub_class_initfn, | |
806b6024 GH |
603 | }; |
604 | ||
83f7d43a | 605 | static void usb_hub_register_types(void) |
806b6024 | 606 | { |
39bffca2 | 607 | type_register_static(&hub_info); |
72899afc | 608 | } |
83f7d43a AF |
609 | |
610 | type_init(usb_hub_register_types) |