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usb-desc: USBEndpoint support
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1/*
2 * QEMU USB API
5fafdf24 3 *
bb36d470 4 * Copyright (c) 2005 Fabrice Bellard
5fafdf24 5 *
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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 */
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24
25#include "block.h"
806b6024 26#include "qdev.h"
72cf2d4f 27#include "qemu-queue.h"
c0f4ce77 28
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29/* Constants related to the USB / PCI interaction */
30#define USB_SBRN 0x60 /* Serial Bus Release Number Register */
31#define USB_RELEASE_1 0x10 /* USB 1.0 */
32#define USB_RELEASE_2 0x20 /* USB 2.0 */
33#define USB_RELEASE_3 0x30 /* USB 3.0 */
34
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35#define USB_TOKEN_SETUP 0x2d
36#define USB_TOKEN_IN 0x69 /* device -> host */
37#define USB_TOKEN_OUT 0xe1 /* host -> device */
38
39/* specific usb messages, also sent in the 'pid' parameter */
40#define USB_MSG_ATTACH 0x100
41#define USB_MSG_DETACH 0x101
42#define USB_MSG_RESET 0x102
43
5fafdf24 44#define USB_RET_NODEV (-1)
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45#define USB_RET_NAK (-2)
46#define USB_RET_STALL (-3)
47#define USB_RET_BABBLE (-4)
4d611c9a 48#define USB_RET_ASYNC (-5)
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49
50#define USB_SPEED_LOW 0
51#define USB_SPEED_FULL 1
52#define USB_SPEED_HIGH 2
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53#define USB_SPEED_SUPER 3
54
55#define USB_SPEED_MASK_LOW (1 << USB_SPEED_LOW)
56#define USB_SPEED_MASK_FULL (1 << USB_SPEED_FULL)
57#define USB_SPEED_MASK_HIGH (1 << USB_SPEED_HIGH)
58#define USB_SPEED_MASK_SUPER (1 << USB_SPEED_SUPER)
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59
60#define USB_STATE_NOTATTACHED 0
61#define USB_STATE_ATTACHED 1
62//#define USB_STATE_POWERED 2
63#define USB_STATE_DEFAULT 3
64//#define USB_STATE_ADDRESS 4
65//#define USB_STATE_CONFIGURED 5
66#define USB_STATE_SUSPENDED 6
67
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68#define USB_CLASS_AUDIO 1
69#define USB_CLASS_COMM 2
70#define USB_CLASS_HID 3
71#define USB_CLASS_PHYSICAL 5
72#define USB_CLASS_STILL_IMAGE 6
73#define USB_CLASS_PRINTER 7
74#define USB_CLASS_MASS_STORAGE 8
75#define USB_CLASS_HUB 9
76#define USB_CLASS_CDC_DATA 0x0a
77#define USB_CLASS_CSCID 0x0b
78#define USB_CLASS_CONTENT_SEC 0x0d
79#define USB_CLASS_APP_SPEC 0xfe
80#define USB_CLASS_VENDOR_SPEC 0xff
81
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82#define USB_SUBCLASS_UNDEFINED 0
83#define USB_SUBCLASS_AUDIO_CONTROL 1
84#define USB_SUBCLASS_AUDIO_STREAMING 2
85#define USB_SUBCLASS_AUDIO_MIDISTREAMING 3
86
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87#define USB_DIR_OUT 0
88#define USB_DIR_IN 0x80
89
90#define USB_TYPE_MASK (0x03 << 5)
91#define USB_TYPE_STANDARD (0x00 << 5)
92#define USB_TYPE_CLASS (0x01 << 5)
93#define USB_TYPE_VENDOR (0x02 << 5)
94#define USB_TYPE_RESERVED (0x03 << 5)
95
96#define USB_RECIP_MASK 0x1f
97#define USB_RECIP_DEVICE 0x00
98#define USB_RECIP_INTERFACE 0x01
99#define USB_RECIP_ENDPOINT 0x02
100#define USB_RECIP_OTHER 0x03
101
102#define DeviceRequest ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8)
103#define DeviceOutRequest ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8)
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104#define InterfaceRequest \
105 ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8)
106#define InterfaceOutRequest \
107 ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8)
108#define EndpointRequest ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8)
109#define EndpointOutRequest \
110 ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8)
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111#define ClassInterfaceRequest \
112 ((USB_DIR_IN|USB_TYPE_CLASS|USB_RECIP_INTERFACE)<<8)
113#define ClassInterfaceOutRequest \
114 ((USB_DIR_OUT|USB_TYPE_CLASS|USB_RECIP_INTERFACE)<<8)
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115
116#define USB_REQ_GET_STATUS 0x00
117#define USB_REQ_CLEAR_FEATURE 0x01
118#define USB_REQ_SET_FEATURE 0x03
119#define USB_REQ_SET_ADDRESS 0x05
120#define USB_REQ_GET_DESCRIPTOR 0x06
121#define USB_REQ_SET_DESCRIPTOR 0x07
122#define USB_REQ_GET_CONFIGURATION 0x08
123#define USB_REQ_SET_CONFIGURATION 0x09
124#define USB_REQ_GET_INTERFACE 0x0A
125#define USB_REQ_SET_INTERFACE 0x0B
126#define USB_REQ_SYNCH_FRAME 0x0C
127
128#define USB_DEVICE_SELF_POWERED 0
129#define USB_DEVICE_REMOTE_WAKEUP 1
130
131#define USB_DT_DEVICE 0x01
132#define USB_DT_CONFIG 0x02
133#define USB_DT_STRING 0x03
134#define USB_DT_INTERFACE 0x04
135#define USB_DT_ENDPOINT 0x05
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136#define USB_DT_DEVICE_QUALIFIER 0x06
137#define USB_DT_OTHER_SPEED_CONFIG 0x07
a7fb71d1 138#define USB_DT_DEBUG 0x0A
c6d3ad0f 139#define USB_DT_INTERFACE_ASSOC 0x0B
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140#define USB_DT_CS_INTERFACE 0x24
141#define USB_DT_CS_ENDPOINT 0x25
bb36d470 142
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143#define USB_ENDPOINT_XFER_CONTROL 0
144#define USB_ENDPOINT_XFER_ISOC 1
145#define USB_ENDPOINT_XFER_BULK 2
146#define USB_ENDPOINT_XFER_INT 3
d8e17efd 147#define USB_ENDPOINT_XFER_INVALID 255
942ac052 148
806b6024 149typedef struct USBBus USBBus;
07771f6f 150typedef struct USBBusOps USBBusOps;
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151typedef struct USBPort USBPort;
152typedef struct USBDevice USBDevice;
806b6024 153typedef struct USBDeviceInfo USBDeviceInfo;
4d611c9a 154typedef struct USBPacket USBPacket;
d8e17efd 155typedef struct USBEndpoint USBEndpoint;
bb36d470 156
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157typedef struct USBDesc USBDesc;
158typedef struct USBDescID USBDescID;
159typedef struct USBDescDevice USBDescDevice;
160typedef struct USBDescConfig USBDescConfig;
6e625fc7 161typedef struct USBDescIfaceAssoc USBDescIfaceAssoc;
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162typedef struct USBDescIface USBDescIface;
163typedef struct USBDescEndpoint USBDescEndpoint;
164typedef struct USBDescOther USBDescOther;
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165typedef struct USBDescString USBDescString;
166
167struct USBDescString {
168 uint8_t index;
169 char *str;
170 QLIST_ENTRY(USBDescString) next;
171};
37fb59d3 172
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173#define USB_MAX_ENDPOINTS 15
174#define USB_MAX_INTERFACES 16
175
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176struct USBEndpoint {
177 uint8_t type;
82f02fe9 178 uint8_t ifnum;
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179};
180
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181/* definition of a USB device */
182struct USBDevice {
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183 DeviceState qdev;
184 USBDeviceInfo *info;
618c169b 185 USBPort *port;
5f69076b 186 char *port_path;
bb36d470 187 void *opaque;
89b9b79f 188
ba3f9bfb 189 /* Actual connected speed */
806b6024 190 int speed;
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191 /* Supported speeds, not in info because it may be variable (hostdevs) */
192 int speedmask;
806b6024 193 uint8_t addr;
0fe6d12e 194 char product_desc[32];
61e094c0 195 int auto_attach;
a5d2f727 196 int attached;
806b6024 197
c1ecb40a 198 int32_t state;
806b6024 199 uint8_t setup_buf[8];
19f33223 200 uint8_t data_buf[4096];
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201 int32_t remote_wakeup;
202 int32_t setup_state;
203 int32_t setup_len;
204 int32_t setup_index;
132a3f55 205
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206 USBEndpoint ep_in[USB_MAX_ENDPOINTS];
207 USBEndpoint ep_out[USB_MAX_ENDPOINTS];
208
132a3f55 209 QLIST_HEAD(, USBDescString) strings;
a980a065 210 const USBDescDevice *device;
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211
212 int configuration;
213 int ninterfaces;
1de14d43 214 int altsetting[USB_MAX_INTERFACES];
a980a065 215 const USBDescConfig *config;
1de14d43 216 const USBDescIface *ifaces[USB_MAX_INTERFACES];
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217};
218
219struct USBDeviceInfo {
220 DeviceInfo qdev;
221 int (*init)(USBDevice *dev);
222
223 /*
224 * Process USB packet.
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225 * Called by the HC (Host Controller).
226 *
806b6024 227 * Returns length of the transaction
89b9b79f 228 * or one of the USB_RET_XXX codes.
806b6024 229 */
4d611c9a 230 int (*handle_packet)(USBDevice *dev, USBPacket *p);
89b9b79f 231
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232 /*
233 * Called when a packet is canceled.
234 */
235 void (*cancel_packet)(USBDevice *dev, USBPacket *p);
236
806b6024 237 /*
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238 * Called when device is destroyed.
239 */
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240 void (*handle_destroy)(USBDevice *dev);
241
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242 /*
243 * Attach the device
244 */
245 void (*handle_attach)(USBDevice *dev);
246
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247 /*
248 * Reset the device
806b6024 249 */
059809e4 250 void (*handle_reset)(USBDevice *dev);
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251
252 /*
253 * Process control request.
254 * Called from handle_packet().
255 *
256 * Returns length or one of the USB_RET_ codes.
257 */
007fd62f 258 int (*handle_control)(USBDevice *dev, USBPacket *p, int request, int value,
bb36d470 259 int index, int length, uint8_t *data);
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260
261 /*
262 * Process data transfers (both BULK and ISOC).
263 * Called from handle_packet().
264 *
265 * Returns length or one of the USB_RET_ codes.
266 */
4d611c9a 267 int (*handle_data)(USBDevice *dev, USBPacket *p);
0958b4cc 268
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269 void (*set_interface)(USBDevice *dev, int interface,
270 int alt_old, int alt_new);
271
06384698 272 const char *product_desc;
37fb59d3 273 const USBDesc *usb_desc;
06384698 274
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275 /* handle legacy -usbdevice command line options */
276 const char *usbdevice_name;
277 USBDevice *(*usbdevice_init)(const char *params);
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278};
279
0d86d2be 280typedef struct USBPortOps {
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281 void (*attach)(USBPort *port);
282 void (*detach)(USBPort *port);
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283 /*
284 * This gets called when a device downstream from the device attached to
285 * the port (iow attached through a hub) gets detached.
286 */
287 void (*child_detach)(USBPort *port, USBDevice *child);
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288 void (*wakeup)(USBPort *port);
289 /*
290 * Note that port->dev will be different then the device from which
291 * the packet originated when a hub is involved, if you want the orginating
292 * device use p->owner
293 */
294 void (*complete)(USBPort *port, USBPacket *p);
0d86d2be 295} USBPortOps;
0d92ed30 296
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297/* USB port on which a device can be connected */
298struct USBPort {
a594cfbf 299 USBDevice *dev;
843d4e0c 300 int speedmask;
c7a2196a 301 char path[16];
0d86d2be 302 USBPortOps *ops;
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303 void *opaque;
304 int index; /* internal port index, may be used with the opaque */
72cf2d4f 305 QTAILQ_ENTRY(USBPort) next;
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306};
307
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308typedef void USBCallback(USBPacket * packet, void *opaque);
309
310/* Structure used to hold information about an active USB packet. */
311struct USBPacket {
312 /* Data fields for use by the driver. */
313 int pid;
314 uint8_t devaddr;
315 uint8_t devep;
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316 QEMUIOVector iov;
317 int result; /* transfer length or USB_RET_* status code */
4d611c9a 318 /* Internal use by the USB layer. */
4ff658fb 319 USBDevice *owner;
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320};
321
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322void usb_packet_init(USBPacket *p);
323void usb_packet_setup(USBPacket *p, int pid, uint8_t addr, uint8_t ep);
324void usb_packet_addbuf(USBPacket *p, void *ptr, size_t len);
325int usb_packet_map(USBPacket *p, QEMUSGList *sgl);
326void usb_packet_unmap(USBPacket *p);
327void usb_packet_copy(USBPacket *p, void *ptr, size_t bytes);
328void usb_packet_skip(USBPacket *p, size_t bytes);
329void usb_packet_cleanup(USBPacket *p);
330
53aa8c0e 331int usb_handle_packet(USBDevice *dev, USBPacket *p);
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332void usb_packet_complete(USBDevice *dev, USBPacket *p);
333void usb_cancel_packet(USBPacket * p);
53aa8c0e 334
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335void usb_ep_init(USBDevice *dev);
336struct USBEndpoint *usb_ep_get(USBDevice *dev, int pid, int ep);
337uint8_t usb_ep_get_type(USBDevice *dev, int pid, int ep);
82f02fe9 338uint8_t usb_ep_get_ifnum(USBDevice *dev, int pid, int ep);
d8e17efd 339void usb_ep_set_type(USBDevice *dev, int pid, int ep, uint8_t type);
82f02fe9 340void usb_ep_set_ifnum(USBDevice *dev, int pid, int ep, uint8_t ifnum);
d8e17efd 341
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342void usb_attach(USBPort *port);
343void usb_detach(USBPort *port);
e0b8e72d 344void usb_reset(USBPort *port);
01eacab6 345void usb_wakeup(USBDevice *dev);
4d611c9a 346int usb_generic_handle_packet(USBDevice *s, USBPacket *p);
50b7963e 347void usb_generic_async_ctrl_complete(USBDevice *s, USBPacket *p);
bb36d470 348int set_usb_string(uint8_t *buf, const char *str);
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349void usb_send_msg(USBDevice *dev, int msg);
350
bb36d470 351/* usb-linux.c */
a594cfbf 352USBDevice *usb_host_device_open(const char *devname);
5d0c5750 353int usb_host_device_close(const char *devname);
376253ec 354void usb_host_info(Monitor *mon);
59ae540c 355
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356/* usb-bt.c */
357USBDevice *usb_bt_init(HCIInfo *hci);
358
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359/* usb ports of the VM */
360
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361#define VM_USB_HUB_SIZE 8
362
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363/* usb-musb.c */
364enum musb_irq_source_e {
365 musb_irq_suspend = 0,
366 musb_irq_resume,
367 musb_irq_rst_babble,
368 musb_irq_sof,
369 musb_irq_connect,
370 musb_irq_disconnect,
371 musb_irq_vbus_request,
372 musb_irq_vbus_error,
373 musb_irq_rx,
374 musb_irq_tx,
375 musb_set_vbus,
376 musb_set_session,
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377 /* Add new interrupts here */
378 musb_irq_max, /* total number of interrupts defined */
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379};
380
bc24a225 381typedef struct MUSBState MUSBState;
406c2075 382MUSBState *musb_init(DeviceState *parent_device, int gpio_base);
5b1cdb4e 383void musb_reset(MUSBState *s);
bc24a225
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384uint32_t musb_core_intr_get(MUSBState *s);
385void musb_core_intr_clear(MUSBState *s, uint32_t mask);
386void musb_set_size(MUSBState *s, int epnum, int size, int is_tx);
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387
388/* usb-bus.c */
389
390struct USBBus {
391 BusState qbus;
07771f6f 392 USBBusOps *ops;
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393 int busnr;
394 int nfree;
395 int nused;
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396 QTAILQ_HEAD(, USBPort) free;
397 QTAILQ_HEAD(, USBPort) used;
398 QTAILQ_ENTRY(USBBus) next;
806b6024
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399};
400
07771f6f 401struct USBBusOps {
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402 int (*register_companion)(USBBus *bus, USBPort *ports[],
403 uint32_t portcount, uint32_t firstport);
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404};
405
406void usb_bus_new(USBBus *bus, USBBusOps *ops, DeviceState *host);
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407USBBus *usb_bus_find(int busnr);
408void usb_qdev_register(USBDeviceInfo *info);
409void usb_qdev_register_many(USBDeviceInfo *info);
a5d2f727 410USBDevice *usb_create(USBBus *bus, const char *name);
806b6024 411USBDevice *usb_create_simple(USBBus *bus, const char *name);
0958b4cc 412USBDevice *usbdevice_create(const char *cmdline);
a5d2f727 413void usb_register_port(USBBus *bus, USBPort *port, void *opaque, int index,
ace1318b 414 USBPortOps *ops, int speedmask);
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415int usb_register_companion(const char *masterbus, USBPort *ports[],
416 uint32_t portcount, uint32_t firstport,
417 void *opaque, USBPortOps *ops, int speedmask);
c7a2196a 418void usb_port_location(USBPort *downstream, USBPort *upstream, int portnr);
a8e662b5 419void usb_unregister_port(USBBus *bus, USBPort *port);
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420int usb_claim_port(USBDevice *dev);
421void usb_release_port(USBDevice *dev);
a5d2f727 422int usb_device_attach(USBDevice *dev);
a8e662b5 423int usb_device_detach(USBDevice *dev);
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GH
424int usb_device_delete_addr(int busnr, int addr);
425
426static inline USBBus *usb_bus_from_device(USBDevice *d)
427{
428 return DO_UPCAST(USBBus, qbus, d->qdev.parent_bus);
429}
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