8 static void usb_bus_dev_print(Monitor
*mon
, DeviceState
*qdev
, int indent
);
10 static char *usb_get_dev_path(DeviceState
*dev
);
11 static char *usb_get_fw_dev_path(DeviceState
*qdev
);
12 static int usb_qdev_exit(DeviceState
*qdev
);
14 static struct BusInfo usb_bus_info
= {
16 .size
= sizeof(USBBus
),
17 .print_dev
= usb_bus_dev_print
,
18 .get_dev_path
= usb_get_dev_path
,
19 .get_fw_dev_path
= usb_get_fw_dev_path
,
20 .props
= (Property
[]) {
21 DEFINE_PROP_STRING("port", USBDevice
, port_path
),
22 DEFINE_PROP_END_OF_LIST()
25 static int next_usb_bus
= 0;
26 static QTAILQ_HEAD(, USBBus
) busses
= QTAILQ_HEAD_INITIALIZER(busses
);
28 const VMStateDescription vmstate_usb_device
= {
31 .minimum_version_id
= 1,
32 .fields
= (VMStateField
[]) {
33 VMSTATE_UINT8(addr
, USBDevice
),
34 VMSTATE_INT32(state
, USBDevice
),
35 VMSTATE_INT32(remote_wakeup
, USBDevice
),
36 VMSTATE_INT32(setup_state
, USBDevice
),
37 VMSTATE_INT32(setup_len
, USBDevice
),
38 VMSTATE_INT32(setup_index
, USBDevice
),
39 VMSTATE_UINT8_ARRAY(setup_buf
, USBDevice
, 8),
40 VMSTATE_END_OF_LIST(),
44 void usb_bus_new(USBBus
*bus
, USBBusOps
*ops
, DeviceState
*host
)
46 qbus_create_inplace(&bus
->qbus
, &usb_bus_info
, host
, NULL
);
48 bus
->busnr
= next_usb_bus
++;
49 bus
->qbus
.allow_hotplug
= 1; /* Yes, we can */
50 QTAILQ_INIT(&bus
->free
);
51 QTAILQ_INIT(&bus
->used
);
52 QTAILQ_INSERT_TAIL(&busses
, bus
, next
);
55 USBBus
*usb_bus_find(int busnr
)
60 return QTAILQ_FIRST(&busses
);
61 QTAILQ_FOREACH(bus
, &busses
, next
) {
62 if (bus
->busnr
== busnr
)
68 static int usb_qdev_init(DeviceState
*qdev
, DeviceInfo
*base
)
70 USBDevice
*dev
= DO_UPCAST(USBDevice
, qdev
, qdev
);
71 USBDeviceInfo
*info
= DO_UPCAST(USBDeviceInfo
, qdev
, base
);
74 pstrcpy(dev
->product_desc
, sizeof(dev
->product_desc
), info
->product_desc
);
77 QLIST_INIT(&dev
->strings
);
79 rc
= usb_claim_port(dev
);
83 rc
= dev
->info
->init(dev
);
85 usb_release_port(dev
);
88 if (dev
->auto_attach
) {
89 rc
= usb_device_attach(dev
);
98 static int usb_qdev_exit(DeviceState
*qdev
)
100 USBDevice
*dev
= DO_UPCAST(USBDevice
, qdev
, qdev
);
103 usb_device_detach(dev
);
105 if (dev
->info
->handle_destroy
) {
106 dev
->info
->handle_destroy(dev
);
109 usb_release_port(dev
);
114 void usb_qdev_register(USBDeviceInfo
*info
)
116 info
->qdev
.bus_info
= &usb_bus_info
;
117 info
->qdev
.init
= usb_qdev_init
;
118 info
->qdev
.unplug
= qdev_simple_unplug_cb
;
119 info
->qdev
.exit
= usb_qdev_exit
;
120 qdev_register(&info
->qdev
);
123 void usb_qdev_register_many(USBDeviceInfo
*info
)
125 while (info
->qdev
.name
) {
126 usb_qdev_register(info
);
131 USBDevice
*usb_create(USBBus
*bus
, const char *name
)
136 /* temporary stopgap until all usb is properly qdev-ified */
138 bus
= usb_bus_find(-1);
141 error_report("%s: no bus specified, using \"%s\" for \"%s\"",
142 __FUNCTION__
, bus
->qbus
.name
, name
);
146 dev
= qdev_create(&bus
->qbus
, name
);
147 return DO_UPCAST(USBDevice
, qdev
, dev
);
150 USBDevice
*usb_create_simple(USBBus
*bus
, const char *name
)
152 USBDevice
*dev
= usb_create(bus
, name
);
156 error_report("Failed to create USB device '%s'", name
);
159 rc
= qdev_init(&dev
->qdev
);
161 error_report("Failed to initialize USB device '%s'", name
);
167 static void usb_fill_port(USBPort
*port
, void *opaque
, int index
,
168 USBPortOps
*ops
, int speedmask
)
170 port
->opaque
= opaque
;
173 port
->speedmask
= speedmask
;
174 usb_port_location(port
, NULL
, index
+ 1);
177 void usb_register_port(USBBus
*bus
, USBPort
*port
, void *opaque
, int index
,
178 USBPortOps
*ops
, int speedmask
)
180 usb_fill_port(port
, opaque
, index
, ops
, speedmask
);
181 QTAILQ_INSERT_TAIL(&bus
->free
, port
, next
);
185 int usb_register_companion(const char *masterbus
, USBPort
*ports
[],
186 uint32_t portcount
, uint32_t firstport
,
187 void *opaque
, USBPortOps
*ops
, int speedmask
)
192 QTAILQ_FOREACH(bus
, &busses
, next
) {
193 if (strcmp(bus
->qbus
.name
, masterbus
) == 0) {
198 if (!bus
|| !bus
->ops
->register_companion
) {
199 qerror_report(QERR_INVALID_PARAMETER_VALUE
, "masterbus",
202 error_printf_unless_qmp(
203 "USB bus '%s' does not allow companion controllers\n",
209 for (i
= 0; i
< portcount
; i
++) {
210 usb_fill_port(ports
[i
], opaque
, i
, ops
, speedmask
);
213 return bus
->ops
->register_companion(bus
, ports
, portcount
, firstport
);
216 void usb_port_location(USBPort
*downstream
, USBPort
*upstream
, int portnr
)
219 snprintf(downstream
->path
, sizeof(downstream
->path
), "%s.%d",
220 upstream
->path
, portnr
);
222 snprintf(downstream
->path
, sizeof(downstream
->path
), "%d", portnr
);
226 void usb_unregister_port(USBBus
*bus
, USBPort
*port
)
229 qdev_free(&port
->dev
->qdev
);
230 QTAILQ_REMOVE(&bus
->free
, port
, next
);
234 int usb_claim_port(USBDevice
*dev
)
236 USBBus
*bus
= usb_bus_from_device(dev
);
239 assert(dev
->port
== NULL
);
241 if (dev
->port_path
) {
242 QTAILQ_FOREACH(port
, &bus
->free
, next
) {
243 if (strcmp(port
->path
, dev
->port_path
) == 0) {
248 error_report("Error: usb port %s (bus %s) not found (in use?)",
249 dev
->port_path
, bus
->qbus
.name
);
253 if (bus
->nfree
== 1 && strcmp(object_get_typename(OBJECT(dev
)), "usb-hub") != 0) {
254 /* Create a new hub and chain it on */
255 usb_create_simple(bus
, "usb-hub");
257 if (bus
->nfree
== 0) {
258 error_report("Error: tried to attach usb device %s to a bus "
259 "with no free ports", dev
->product_desc
);
262 port
= QTAILQ_FIRST(&bus
->free
);
264 trace_usb_port_claim(bus
->busnr
, port
->path
);
266 QTAILQ_REMOVE(&bus
->free
, port
, next
);
272 QTAILQ_INSERT_TAIL(&bus
->used
, port
, next
);
277 void usb_release_port(USBDevice
*dev
)
279 USBBus
*bus
= usb_bus_from_device(dev
);
280 USBPort
*port
= dev
->port
;
282 assert(port
!= NULL
);
283 trace_usb_port_release(bus
->busnr
, port
->path
);
285 QTAILQ_REMOVE(&bus
->used
, port
, next
);
291 QTAILQ_INSERT_TAIL(&bus
->free
, port
, next
);
295 int usb_device_attach(USBDevice
*dev
)
297 USBBus
*bus
= usb_bus_from_device(dev
);
298 USBPort
*port
= dev
->port
;
300 assert(port
!= NULL
);
301 assert(!dev
->attached
);
302 trace_usb_port_attach(bus
->busnr
, port
->path
);
304 if (!(port
->speedmask
& dev
->speedmask
)) {
305 error_report("Warning: speed mismatch trying to attach "
306 "usb device %s to bus %s",
307 dev
->product_desc
, bus
->qbus
.name
);
317 int usb_device_detach(USBDevice
*dev
)
319 USBBus
*bus
= usb_bus_from_device(dev
);
320 USBPort
*port
= dev
->port
;
322 assert(port
!= NULL
);
323 assert(dev
->attached
);
324 trace_usb_port_detach(bus
->busnr
, port
->path
);
331 int usb_device_delete_addr(int busnr
, int addr
)
337 bus
= usb_bus_find(busnr
);
341 QTAILQ_FOREACH(port
, &bus
->used
, next
) {
342 if (port
->dev
->addr
== addr
)
349 qdev_free(&dev
->qdev
);
353 static const char *usb_speed(unsigned int speed
)
355 static const char *txt
[] = {
356 [ USB_SPEED_LOW
] = "1.5",
357 [ USB_SPEED_FULL
] = "12",
358 [ USB_SPEED_HIGH
] = "480",
359 [ USB_SPEED_SUPER
] = "5000",
361 if (speed
>= ARRAY_SIZE(txt
))
366 static void usb_bus_dev_print(Monitor
*mon
, DeviceState
*qdev
, int indent
)
368 USBDevice
*dev
= DO_UPCAST(USBDevice
, qdev
, qdev
);
369 USBBus
*bus
= usb_bus_from_device(dev
);
371 monitor_printf(mon
, "%*saddr %d.%d, port %s, speed %s, name %s%s\n",
372 indent
, "", bus
->busnr
, dev
->addr
,
373 dev
->port
? dev
->port
->path
: "-",
374 usb_speed(dev
->speed
), dev
->product_desc
,
375 dev
->attached
? ", attached" : "");
378 static char *usb_get_dev_path(DeviceState
*qdev
)
380 USBDevice
*dev
= DO_UPCAST(USBDevice
, qdev
, qdev
);
381 return g_strdup(dev
->port
->path
);
384 static char *usb_get_fw_dev_path(DeviceState
*qdev
)
386 USBDevice
*dev
= DO_UPCAST(USBDevice
, qdev
, qdev
);
388 ssize_t pos
= 0, fw_len
;
391 fw_len
= 32 + strlen(dev
->port
->path
) * 6;
392 fw_path
= g_malloc(fw_len
);
393 in
= dev
->port
->path
;
394 while (fw_len
- pos
> 0) {
395 nr
= strtol(in
, &in
, 10);
397 /* some hub between root port and device */
398 pos
+= snprintf(fw_path
+ pos
, fw_len
- pos
, "hub@%ld/", nr
);
401 /* the device itself */
402 pos
+= snprintf(fw_path
+ pos
, fw_len
- pos
, "%s@%ld",
403 qdev_fw_name(qdev
), nr
);
410 void usb_info(Monitor
*mon
)
416 if (QTAILQ_EMPTY(&busses
)) {
417 monitor_printf(mon
, "USB support not enabled\n");
421 QTAILQ_FOREACH(bus
, &busses
, next
) {
422 QTAILQ_FOREACH(port
, &bus
->used
, next
) {
426 monitor_printf(mon
, " Device %d.%d, Port %s, Speed %s Mb/s, Product %s\n",
427 bus
->busnr
, dev
->addr
, port
->path
, usb_speed(dev
->speed
),
433 /* handle legacy -usbdevice cmd line option */
434 USBDevice
*usbdevice_create(const char *cmdline
)
436 USBBus
*bus
= usb_bus_find(-1 /* any */);
443 params
= strchr(cmdline
,':');
446 len
= params
- cmdline
;
447 if (len
> sizeof(driver
))
448 len
= sizeof(driver
);
449 pstrcpy(driver
, len
, cmdline
);
452 pstrcpy(driver
, sizeof(driver
), cmdline
);
455 for (info
= device_info_list
; info
!= NULL
; info
= info
->next
) {
456 if (info
->bus_info
!= &usb_bus_info
)
458 usb
= DO_UPCAST(USBDeviceInfo
, qdev
, info
);
459 if (usb
->usbdevice_name
== NULL
)
461 if (strcmp(usb
->usbdevice_name
, driver
) != 0)
467 /* no error because some drivers are not converted (yet) */
468 error_report("usbdevice %s not found", driver
);
473 if (!usb
->usbdevice_init
) {
475 error_report("usbdevice %s accepts no params", driver
);
478 return usb_create_simple(bus
, usb
->qdev
.name
);
480 return usb
->usbdevice_init(params
);