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62aed765
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1#ifndef QEMU_USB_H
2#define QEMU_USB_H
3
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4/*
5 * QEMU USB API
5fafdf24 6 *
bb36d470 7 * Copyright (c) 2005 Fabrice Bellard
5fafdf24 8 *
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9 * Permission is hereby granted, free of charge, to any person obtaining a copy
10 * of this software and associated documentation files (the "Software"), to deal
11 * in the Software without restriction, including without limitation the rights
12 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
13 * copies of the Software, and to permit persons to whom the Software is
14 * furnished to do so, subject to the following conditions:
15 *
16 * The above copyright notice and this permission notice shall be included in
17 * all copies or substantial portions of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
22 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 * THE SOFTWARE.
26 */
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27
28#include "block.h"
806b6024 29#include "qdev.h"
72cf2d4f 30#include "qemu-queue.h"
c0f4ce77 31
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32/* Constants related to the USB / PCI interaction */
33#define USB_SBRN 0x60 /* Serial Bus Release Number Register */
34#define USB_RELEASE_1 0x10 /* USB 1.0 */
35#define USB_RELEASE_2 0x20 /* USB 2.0 */
36#define USB_RELEASE_3 0x30 /* USB 3.0 */
37
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38#define USB_TOKEN_SETUP 0x2d
39#define USB_TOKEN_IN 0x69 /* device -> host */
40#define USB_TOKEN_OUT 0xe1 /* host -> device */
41
5fafdf24 42#define USB_RET_NODEV (-1)
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43#define USB_RET_NAK (-2)
44#define USB_RET_STALL (-3)
45#define USB_RET_BABBLE (-4)
4d611c9a 46#define USB_RET_ASYNC (-5)
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47
48#define USB_SPEED_LOW 0
49#define USB_SPEED_FULL 1
50#define USB_SPEED_HIGH 2
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51#define USB_SPEED_SUPER 3
52
53#define USB_SPEED_MASK_LOW (1 << USB_SPEED_LOW)
54#define USB_SPEED_MASK_FULL (1 << USB_SPEED_FULL)
55#define USB_SPEED_MASK_HIGH (1 << USB_SPEED_HIGH)
56#define USB_SPEED_MASK_SUPER (1 << USB_SPEED_SUPER)
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57
58#define USB_STATE_NOTATTACHED 0
59#define USB_STATE_ATTACHED 1
60//#define USB_STATE_POWERED 2
61#define USB_STATE_DEFAULT 3
62//#define USB_STATE_ADDRESS 4
63//#define USB_STATE_CONFIGURED 5
64#define USB_STATE_SUSPENDED 6
65
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66#define USB_CLASS_AUDIO 1
67#define USB_CLASS_COMM 2
68#define USB_CLASS_HID 3
69#define USB_CLASS_PHYSICAL 5
70#define USB_CLASS_STILL_IMAGE 6
71#define USB_CLASS_PRINTER 7
72#define USB_CLASS_MASS_STORAGE 8
73#define USB_CLASS_HUB 9
74#define USB_CLASS_CDC_DATA 0x0a
75#define USB_CLASS_CSCID 0x0b
76#define USB_CLASS_CONTENT_SEC 0x0d
77#define USB_CLASS_APP_SPEC 0xfe
78#define USB_CLASS_VENDOR_SPEC 0xff
79
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80#define USB_SUBCLASS_UNDEFINED 0
81#define USB_SUBCLASS_AUDIO_CONTROL 1
82#define USB_SUBCLASS_AUDIO_STREAMING 2
83#define USB_SUBCLASS_AUDIO_MIDISTREAMING 3
84
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85#define USB_DIR_OUT 0
86#define USB_DIR_IN 0x80
87
88#define USB_TYPE_MASK (0x03 << 5)
89#define USB_TYPE_STANDARD (0x00 << 5)
90#define USB_TYPE_CLASS (0x01 << 5)
91#define USB_TYPE_VENDOR (0x02 << 5)
92#define USB_TYPE_RESERVED (0x03 << 5)
93
94#define USB_RECIP_MASK 0x1f
95#define USB_RECIP_DEVICE 0x00
96#define USB_RECIP_INTERFACE 0x01
97#define USB_RECIP_ENDPOINT 0x02
98#define USB_RECIP_OTHER 0x03
99
100#define DeviceRequest ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8)
101#define DeviceOutRequest ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8)
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102#define InterfaceRequest \
103 ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8)
104#define InterfaceOutRequest \
105 ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8)
106#define EndpointRequest ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8)
107#define EndpointOutRequest \
108 ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8)
f3571b1a
MR
109#define ClassInterfaceRequest \
110 ((USB_DIR_IN|USB_TYPE_CLASS|USB_RECIP_INTERFACE)<<8)
111#define ClassInterfaceOutRequest \
112 ((USB_DIR_OUT|USB_TYPE_CLASS|USB_RECIP_INTERFACE)<<8)
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113
114#define USB_REQ_GET_STATUS 0x00
115#define USB_REQ_CLEAR_FEATURE 0x01
116#define USB_REQ_SET_FEATURE 0x03
117#define USB_REQ_SET_ADDRESS 0x05
118#define USB_REQ_GET_DESCRIPTOR 0x06
119#define USB_REQ_SET_DESCRIPTOR 0x07
120#define USB_REQ_GET_CONFIGURATION 0x08
121#define USB_REQ_SET_CONFIGURATION 0x09
122#define USB_REQ_GET_INTERFACE 0x0A
123#define USB_REQ_SET_INTERFACE 0x0B
124#define USB_REQ_SYNCH_FRAME 0x0C
125
126#define USB_DEVICE_SELF_POWERED 0
127#define USB_DEVICE_REMOTE_WAKEUP 1
128
129#define USB_DT_DEVICE 0x01
130#define USB_DT_CONFIG 0x02
131#define USB_DT_STRING 0x03
132#define USB_DT_INTERFACE 0x04
133#define USB_DT_ENDPOINT 0x05
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134#define USB_DT_DEVICE_QUALIFIER 0x06
135#define USB_DT_OTHER_SPEED_CONFIG 0x07
a7fb71d1 136#define USB_DT_DEBUG 0x0A
c6d3ad0f 137#define USB_DT_INTERFACE_ASSOC 0x0B
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138#define USB_DT_CS_INTERFACE 0x24
139#define USB_DT_CS_ENDPOINT 0x25
bb36d470 140
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141#define USB_ENDPOINT_XFER_CONTROL 0
142#define USB_ENDPOINT_XFER_ISOC 1
143#define USB_ENDPOINT_XFER_BULK 2
144#define USB_ENDPOINT_XFER_INT 3
d8e17efd 145#define USB_ENDPOINT_XFER_INVALID 255
942ac052 146
806b6024 147typedef struct USBBus USBBus;
07771f6f 148typedef struct USBBusOps USBBusOps;
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149typedef struct USBPort USBPort;
150typedef struct USBDevice USBDevice;
4d611c9a 151typedef struct USBPacket USBPacket;
d8e17efd 152typedef struct USBEndpoint USBEndpoint;
bb36d470 153
37fb59d3
GH
154typedef struct USBDesc USBDesc;
155typedef struct USBDescID USBDescID;
156typedef struct USBDescDevice USBDescDevice;
157typedef struct USBDescConfig USBDescConfig;
6e625fc7 158typedef struct USBDescIfaceAssoc USBDescIfaceAssoc;
37fb59d3
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159typedef struct USBDescIface USBDescIface;
160typedef struct USBDescEndpoint USBDescEndpoint;
161typedef struct USBDescOther USBDescOther;
132a3f55
GH
162typedef struct USBDescString USBDescString;
163
164struct USBDescString {
165 uint8_t index;
166 char *str;
167 QLIST_ENTRY(USBDescString) next;
168};
37fb59d3 169
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170#define USB_MAX_ENDPOINTS 15
171#define USB_MAX_INTERFACES 16
172
d8e17efd 173struct USBEndpoint {
63095ab5
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174 uint8_t nr;
175 uint8_t pid;
d8e17efd 176 uint8_t type;
82f02fe9 177 uint8_t ifnum;
f003397c 178 int max_packet_size;
25d5de7d 179 USBDevice *dev;
db4be873 180 QTAILQ_HEAD(, USBPacket) queue;
d8e17efd
GH
181};
182
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183/* definition of a USB device */
184struct USBDevice {
806b6024 185 DeviceState qdev;
618c169b 186 USBPort *port;
5f69076b 187 char *port_path;
bb36d470 188 void *opaque;
89b9b79f 189
ba3f9bfb 190 /* Actual connected speed */
806b6024 191 int speed;
ba3f9bfb
HG
192 /* Supported speeds, not in info because it may be variable (hostdevs) */
193 int speedmask;
806b6024 194 uint8_t addr;
0fe6d12e 195 char product_desc[32];
61e094c0 196 int auto_attach;
a5d2f727 197 int attached;
806b6024 198
c1ecb40a 199 int32_t state;
806b6024 200 uint8_t setup_buf[8];
19f33223 201 uint8_t data_buf[4096];
c1ecb40a
GH
202 int32_t remote_wakeup;
203 int32_t setup_state;
204 int32_t setup_len;
205 int32_t setup_index;
132a3f55 206
25d5de7d 207 USBEndpoint ep_ctl;
d8e17efd
GH
208 USBEndpoint ep_in[USB_MAX_ENDPOINTS];
209 USBEndpoint ep_out[USB_MAX_ENDPOINTS];
210
132a3f55 211 QLIST_HEAD(, USBDescString) strings;
a980a065 212 const USBDescDevice *device;
65360511
GH
213
214 int configuration;
215 int ninterfaces;
1de14d43 216 int altsetting[USB_MAX_INTERFACES];
a980a065 217 const USBDescConfig *config;
1de14d43 218 const USBDescIface *ifaces[USB_MAX_INTERFACES];
806b6024
GH
219};
220
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221#define TYPE_USB_DEVICE "usb-device"
222#define USB_DEVICE(obj) \
223 OBJECT_CHECK(USBDevice, (obj), TYPE_USB_DEVICE)
224#define USB_DEVICE_CLASS(klass) \
225 OBJECT_CLASS_CHECK(USBDeviceClass, (klass), TYPE_USB_DEVICE)
226#define USB_DEVICE_GET_CLASS(obj) \
227 OBJECT_GET_CLASS(USBDeviceClass, (obj), TYPE_USB_DEVICE)
228
229typedef struct USBDeviceClass {
230 DeviceClass parent_class;
231
806b6024
GH
232 int (*init)(USBDevice *dev);
233
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234 /*
235 * Walk (enabled) downstream ports, check for a matching device.
236 * Only hubs implement this.
237 */
238 USBDevice *(*find_device)(USBDevice *dev, uint8_t addr);
239
eb5e680a
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240 /*
241 * Called when a packet is canceled.
242 */
243 void (*cancel_packet)(USBDevice *dev, USBPacket *p);
244
806b6024 245 /*
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246 * Called when device is destroyed.
247 */
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248 void (*handle_destroy)(USBDevice *dev);
249
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250 /*
251 * Attach the device
252 */
253 void (*handle_attach)(USBDevice *dev);
254
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255 /*
256 * Reset the device
806b6024 257 */
059809e4 258 void (*handle_reset)(USBDevice *dev);
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259
260 /*
261 * Process control request.
262 * Called from handle_packet().
263 *
264 * Returns length or one of the USB_RET_ codes.
265 */
007fd62f 266 int (*handle_control)(USBDevice *dev, USBPacket *p, int request, int value,
bb36d470 267 int index, int length, uint8_t *data);
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268
269 /*
270 * Process data transfers (both BULK and ISOC).
271 * Called from handle_packet().
272 *
273 * Returns length or one of the USB_RET_ codes.
274 */
4d611c9a 275 int (*handle_data)(USBDevice *dev, USBPacket *p);
0958b4cc 276
1de14d43
GH
277 void (*set_interface)(USBDevice *dev, int interface,
278 int alt_old, int alt_new);
279
06384698 280 const char *product_desc;
37fb59d3 281 const USBDesc *usb_desc;
62aed765 282} USBDeviceClass;
bb36d470 283
0d86d2be 284typedef struct USBPortOps {
618c169b
GH
285 void (*attach)(USBPort *port);
286 void (*detach)(USBPort *port);
4706ab6c
HG
287 /*
288 * This gets called when a device downstream from the device attached to
289 * the port (iow attached through a hub) gets detached.
290 */
291 void (*child_detach)(USBPort *port, USBDevice *child);
d47e59b8
HG
292 void (*wakeup)(USBPort *port);
293 /*
294 * Note that port->dev will be different then the device from which
f53c398a 295 * the packet originated when a hub is involved.
d47e59b8
HG
296 */
297 void (*complete)(USBPort *port, USBPacket *p);
0d86d2be 298} USBPortOps;
0d92ed30 299
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300/* USB port on which a device can be connected */
301struct USBPort {
a594cfbf 302 USBDevice *dev;
843d4e0c 303 int speedmask;
c7a2196a 304 char path[16];
0d86d2be 305 USBPortOps *ops;
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306 void *opaque;
307 int index; /* internal port index, may be used with the opaque */
72cf2d4f 308 QTAILQ_ENTRY(USBPort) next;
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309};
310
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311typedef void USBCallback(USBPacket * packet, void *opaque);
312
f53c398a
GH
313typedef enum USBPacketState {
314 USB_PACKET_UNDEFINED = 0,
315 USB_PACKET_SETUP,
db4be873 316 USB_PACKET_QUEUED,
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317 USB_PACKET_ASYNC,
318 USB_PACKET_COMPLETE,
319 USB_PACKET_CANCELED,
320} USBPacketState;
321
db4be873 322/* Structure used to hold information about an active USB packet. */
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PB
323struct USBPacket {
324 /* Data fields for use by the driver. */
325 int pid;
f53c398a 326 USBEndpoint *ep;
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GH
327 QEMUIOVector iov;
328 int result; /* transfer length or USB_RET_* status code */
4d611c9a 329 /* Internal use by the USB layer. */
f53c398a 330 USBPacketState state;
db4be873 331 QTAILQ_ENTRY(USBPacket) queue;
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PB
332};
333
4f4321c1 334void usb_packet_init(USBPacket *p);
db4be873 335void usb_packet_set_state(USBPacket *p, USBPacketState state);
079d0b7f 336void usb_packet_setup(USBPacket *p, int pid, USBEndpoint *ep);
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GH
337void usb_packet_addbuf(USBPacket *p, void *ptr, size_t len);
338int usb_packet_map(USBPacket *p, QEMUSGList *sgl);
339void usb_packet_unmap(USBPacket *p);
340void usb_packet_copy(USBPacket *p, void *ptr, size_t bytes);
341void usb_packet_skip(USBPacket *p, size_t bytes);
342void usb_packet_cleanup(USBPacket *p);
343
f53c398a
GH
344static inline bool usb_packet_is_inflight(USBPacket *p)
345{
db4be873
GH
346 return (p->state == USB_PACKET_QUEUED ||
347 p->state == USB_PACKET_ASYNC);
f53c398a
GH
348}
349
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350USBDevice *usb_find_device(USBPort *port, uint8_t addr);
351
53aa8c0e 352int usb_handle_packet(USBDevice *dev, USBPacket *p);
4ff658fb
GH
353void usb_packet_complete(USBDevice *dev, USBPacket *p);
354void usb_cancel_packet(USBPacket * p);
53aa8c0e 355
d8e17efd 356void usb_ep_init(USBDevice *dev);
5b6780d0 357void usb_ep_dump(USBDevice *dev);
d8e17efd
GH
358struct USBEndpoint *usb_ep_get(USBDevice *dev, int pid, int ep);
359uint8_t usb_ep_get_type(USBDevice *dev, int pid, int ep);
82f02fe9 360uint8_t usb_ep_get_ifnum(USBDevice *dev, int pid, int ep);
d8e17efd 361void usb_ep_set_type(USBDevice *dev, int pid, int ep, uint8_t type);
82f02fe9 362void usb_ep_set_ifnum(USBDevice *dev, int pid, int ep, uint8_t ifnum);
f003397c
GH
363void usb_ep_set_max_packet_size(USBDevice *dev, int pid, int ep,
364 uint16_t raw);
365int usb_ep_get_max_packet_size(USBDevice *dev, int pid, int ep);
d8e17efd 366
891fb2cd
GH
367void usb_attach(USBPort *port);
368void usb_detach(USBPort *port);
d28f4e2d
GH
369void usb_port_reset(USBPort *port);
370void usb_device_reset(USBDevice *dev);
7567b51f 371void usb_wakeup(USBEndpoint *ep);
50b7963e 372void usb_generic_async_ctrl_complete(USBDevice *s, USBPacket *p);
bb36d470 373int set_usb_string(uint8_t *buf, const char *str);
4d611c9a 374
bb36d470 375/* usb-linux.c */
3741715c 376USBDevice *usb_host_device_open(USBBus *bus, const char *devname);
5d0c5750 377int usb_host_device_close(const char *devname);
376253ec 378void usb_host_info(Monitor *mon);
59ae540c 379
e6a6d5ab 380/* usb-bt.c */
3741715c 381USBDevice *usb_bt_init(USBBus *bus, HCIInfo *hci);
e6a6d5ab 382
87ecb68b
PB
383/* usb ports of the VM */
384
87ecb68b
PB
385#define VM_USB_HUB_SIZE 8
386
942ac052
AZ
387/* usb-musb.c */
388enum musb_irq_source_e {
389 musb_irq_suspend = 0,
390 musb_irq_resume,
391 musb_irq_rst_babble,
392 musb_irq_sof,
393 musb_irq_connect,
394 musb_irq_disconnect,
395 musb_irq_vbus_request,
396 musb_irq_vbus_error,
397 musb_irq_rx,
398 musb_irq_tx,
399 musb_set_vbus,
400 musb_set_session,
9147b752
PM
401 /* Add new interrupts here */
402 musb_irq_max, /* total number of interrupts defined */
942ac052
AZ
403};
404
bc24a225 405typedef struct MUSBState MUSBState;
406c2075 406MUSBState *musb_init(DeviceState *parent_device, int gpio_base);
5b1cdb4e 407void musb_reset(MUSBState *s);
bc24a225
PB
408uint32_t musb_core_intr_get(MUSBState *s);
409void musb_core_intr_clear(MUSBState *s, uint32_t mask);
410void musb_set_size(MUSBState *s, int epnum, int size, int is_tx);
806b6024
GH
411
412/* usb-bus.c */
413
414struct USBBus {
415 BusState qbus;
07771f6f 416 USBBusOps *ops;
806b6024
GH
417 int busnr;
418 int nfree;
419 int nused;
72cf2d4f
BS
420 QTAILQ_HEAD(, USBPort) free;
421 QTAILQ_HEAD(, USBPort) used;
422 QTAILQ_ENTRY(USBBus) next;
806b6024
GH
423};
424
07771f6f 425struct USBBusOps {
ae60fea9
HG
426 int (*register_companion)(USBBus *bus, USBPort *ports[],
427 uint32_t portcount, uint32_t firstport);
37f32f0f 428 void (*wakeup_endpoint)(USBBus *bus, USBEndpoint *ep);
07771f6f
GH
429};
430
431void usb_bus_new(USBBus *bus, USBBusOps *ops, DeviceState *host);
806b6024 432USBBus *usb_bus_find(int busnr);
ba02430f 433void usb_legacy_register(const char *typename, const char *usbdevice_name,
3741715c
JK
434 USBDevice *(*usbdevice_init)(USBBus *bus,
435 const char *params));
a5d2f727 436USBDevice *usb_create(USBBus *bus, const char *name);
806b6024 437USBDevice *usb_create_simple(USBBus *bus, const char *name);
0958b4cc 438USBDevice *usbdevice_create(const char *cmdline);
a5d2f727 439void usb_register_port(USBBus *bus, USBPort *port, void *opaque, int index,
ace1318b 440 USBPortOps *ops, int speedmask);
ae60fea9
HG
441int usb_register_companion(const char *masterbus, USBPort *ports[],
442 uint32_t portcount, uint32_t firstport,
443 void *opaque, USBPortOps *ops, int speedmask);
c7a2196a 444void usb_port_location(USBPort *downstream, USBPort *upstream, int portnr);
a8e662b5 445void usb_unregister_port(USBBus *bus, USBPort *port);
891fb2cd
GH
446int usb_claim_port(USBDevice *dev);
447void usb_release_port(USBDevice *dev);
a5d2f727 448int usb_device_attach(USBDevice *dev);
a8e662b5 449int usb_device_detach(USBDevice *dev);
a5d2f727
GH
450int usb_device_delete_addr(int busnr, int addr);
451
452static inline USBBus *usb_bus_from_device(USBDevice *d)
453{
454 return DO_UPCAST(USBBus, qbus, d->qdev.parent_bus);
455}
701a8f76
PB
456
457extern const VMStateDescription vmstate_usb_device;
458
459#define VMSTATE_USB_DEVICE(_field, _state) { \
460 .name = (stringify(_field)), \
461 .size = sizeof(USBDevice), \
462 .vmsd = &vmstate_usb_device, \
463 .flags = VMS_STRUCT, \
464 .offset = vmstate_offset_value(_state, _field, USBDevice), \
465}
466
73796fe6
GH
467USBDevice *usb_device_find_device(USBDevice *dev, uint8_t addr);
468
62aed765
AL
469void usb_device_cancel_packet(USBDevice *dev, USBPacket *p);
470
471void usb_device_handle_attach(USBDevice *dev);
472
473void usb_device_handle_reset(USBDevice *dev);
474
475int usb_device_handle_control(USBDevice *dev, USBPacket *p, int request, int value,
476 int index, int length, uint8_t *data);
477
478int usb_device_handle_data(USBDevice *dev, USBPacket *p);
479
480void usb_device_set_interface(USBDevice *dev, int interface,
481 int alt_old, int alt_new);
482
483const char *usb_device_get_product_desc(USBDevice *dev);
484
485const USBDesc *usb_device_get_usb_desc(USBDevice *dev);
486
487#endif
701a8f76 488