1 #ifndef QEMU_USB_H 2 #define QEMU_USB_H 3 4 /* 5 * QEMU USB API 6 * 7 * Copyright (c) 2005 Fabrice Bellard 8 * 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 */ 27 28 #include "exec/memory.h" 29 #include "hw/qdev-core.h" 30 #include "qemu/iov.h" 31 #include "qemu/queue.h" 32 #include "qom/object.h" 33 34 /* Constants related to the USB / PCI interaction */ 35 #define USB_SBRN 0x60 /* Serial Bus Release Number Register */ 36 #define USB_RELEASE_1 0x10 /* USB 1.0 */ 37 #define USB_RELEASE_2 0x20 /* USB 2.0 */ 38 #define USB_RELEASE_3 0x30 /* USB 3.0 */ 39 40 #define USB_TOKEN_SETUP 0x2d 41 #define USB_TOKEN_IN 0x69 /* device -> host */ 42 #define USB_TOKEN_OUT 0xe1 /* host -> device */ 43 44 #define USB_RET_SUCCESS (0) 45 #define USB_RET_NODEV (-1) 46 #define USB_RET_NAK (-2) 47 #define USB_RET_STALL (-3) 48 #define USB_RET_BABBLE (-4) 49 #define USB_RET_IOERROR (-5) 50 #define USB_RET_ASYNC (-6) 51 #define USB_RET_ADD_TO_QUEUE (-7) 52 #define USB_RET_REMOVE_FROM_QUEUE (-8) 53 54 #define USB_SPEED_LOW 0 55 #define USB_SPEED_FULL 1 56 #define USB_SPEED_HIGH 2 57 #define USB_SPEED_SUPER 3 58 59 #define USB_SPEED_MASK_LOW (1 << USB_SPEED_LOW) 60 #define USB_SPEED_MASK_FULL (1 << USB_SPEED_FULL) 61 #define USB_SPEED_MASK_HIGH (1 << USB_SPEED_HIGH) 62 #define USB_SPEED_MASK_SUPER (1 << USB_SPEED_SUPER) 63 64 #define USB_STATE_NOTATTACHED 0 65 #define USB_STATE_ATTACHED 1 66 //#define USB_STATE_POWERED 2 67 #define USB_STATE_DEFAULT 3 68 //#define USB_STATE_ADDRESS 4 69 //#define USB_STATE_CONFIGURED 5 70 #define USB_STATE_SUSPENDED 6 71 72 #define USB_CLASS_AUDIO 1 73 #define USB_CLASS_COMM 2 74 #define USB_CLASS_HID 3 75 #define USB_CLASS_PHYSICAL 5 76 #define USB_CLASS_STILL_IMAGE 6 77 #define USB_CLASS_PRINTER 7 78 #define USB_CLASS_MASS_STORAGE 8 79 #define USB_CLASS_HUB 9 80 #define USB_CLASS_CDC_DATA 0x0a 81 #define USB_CLASS_CSCID 0x0b 82 #define USB_CLASS_CONTENT_SEC 0x0d 83 #define USB_CLASS_APP_SPEC 0xfe 84 #define USB_CLASS_VENDOR_SPEC 0xff 85 86 #define USB_SUBCLASS_UNDEFINED 0 87 #define USB_SUBCLASS_AUDIO_CONTROL 1 88 #define USB_SUBCLASS_AUDIO_STREAMING 2 89 #define USB_SUBCLASS_AUDIO_MIDISTREAMING 3 90 91 #define USB_DIR_OUT 0 92 #define USB_DIR_IN 0x80 93 94 #define USB_TYPE_MASK (0x03 << 5) 95 #define USB_TYPE_STANDARD (0x00 << 5) 96 #define USB_TYPE_CLASS (0x01 << 5) 97 #define USB_TYPE_VENDOR (0x02 << 5) 98 #define USB_TYPE_RESERVED (0x03 << 5) 99 100 #define USB_RECIP_MASK 0x1f 101 #define USB_RECIP_DEVICE 0x00 102 #define USB_RECIP_INTERFACE 0x01 103 #define USB_RECIP_ENDPOINT 0x02 104 #define USB_RECIP_OTHER 0x03 105 106 #define DeviceRequest ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8) 107 #define DeviceOutRequest ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8) 108 #define VendorDeviceRequest ((USB_DIR_IN|USB_TYPE_VENDOR|USB_RECIP_DEVICE)<<8) 109 #define VendorDeviceOutRequest \ 110 ((USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_DEVICE)<<8) 111 112 #define InterfaceRequest \ 113 ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8) 114 #define InterfaceOutRequest \ 115 ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8) 116 #define ClassInterfaceRequest \ 117 ((USB_DIR_IN|USB_TYPE_CLASS|USB_RECIP_INTERFACE)<<8) 118 #define ClassInterfaceOutRequest \ 119 ((USB_DIR_OUT|USB_TYPE_CLASS|USB_RECIP_INTERFACE)<<8) 120 #define VendorInterfaceRequest \ 121 ((USB_DIR_IN|USB_TYPE_VENDOR|USB_RECIP_INTERFACE)<<8) 122 #define VendorInterfaceOutRequest \ 123 ((USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE)<<8) 124 125 #define EndpointRequest ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8) 126 #define EndpointOutRequest \ 127 ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8) 128 129 #define USB_REQ_GET_STATUS 0x00 130 #define USB_REQ_CLEAR_FEATURE 0x01 131 #define USB_REQ_SET_FEATURE 0x03 132 #define USB_REQ_SET_ADDRESS 0x05 133 #define USB_REQ_GET_DESCRIPTOR 0x06 134 #define USB_REQ_SET_DESCRIPTOR 0x07 135 #define USB_REQ_GET_CONFIGURATION 0x08 136 #define USB_REQ_SET_CONFIGURATION 0x09 137 #define USB_REQ_GET_INTERFACE 0x0A 138 #define USB_REQ_SET_INTERFACE 0x0B 139 #define USB_REQ_SYNCH_FRAME 0x0C 140 #define USB_REQ_SET_SEL 0x30 141 #define USB_REQ_SET_ISOCH_DELAY 0x31 142 143 #define USB_DEVICE_SELF_POWERED 0 144 #define USB_DEVICE_REMOTE_WAKEUP 1 145 146 #define USB_DT_DEVICE 0x01 147 #define USB_DT_CONFIG 0x02 148 #define USB_DT_STRING 0x03 149 #define USB_DT_INTERFACE 0x04 150 #define USB_DT_ENDPOINT 0x05 151 #define USB_DT_DEVICE_QUALIFIER 0x06 152 #define USB_DT_OTHER_SPEED_CONFIG 0x07 153 #define USB_DT_DEBUG 0x0A 154 #define USB_DT_INTERFACE_ASSOC 0x0B 155 #define USB_DT_BOS 0x0F 156 #define USB_DT_DEVICE_CAPABILITY 0x10 157 #define USB_DT_CS_INTERFACE 0x24 158 #define USB_DT_CS_ENDPOINT 0x25 159 #define USB_DT_ENDPOINT_COMPANION 0x30 160 161 #define USB_DEV_CAP_WIRELESS 0x01 162 #define USB_DEV_CAP_USB2_EXT 0x02 163 #define USB_DEV_CAP_SUPERSPEED 0x03 164 165 #define USB_CFG_ATT_ONE (1 << 7) /* should always be set */ 166 #define USB_CFG_ATT_SELFPOWER (1 << 6) 167 #define USB_CFG_ATT_WAKEUP (1 << 5) 168 #define USB_CFG_ATT_BATTERY (1 << 4) 169 170 #define USB_ENDPOINT_XFER_CONTROL 0 171 #define USB_ENDPOINT_XFER_ISOC 1 172 #define USB_ENDPOINT_XFER_BULK 2 173 #define USB_ENDPOINT_XFER_INT 3 174 #define USB_ENDPOINT_XFER_INVALID 255 175 176 #define USB_INTERFACE_INVALID 255 177 178 typedef struct USBBusOps USBBusOps; 179 typedef struct USBPort USBPort; 180 typedef struct USBDevice USBDevice; 181 typedef struct USBPacket USBPacket; 182 typedef struct USBCombinedPacket USBCombinedPacket; 183 typedef struct USBEndpoint USBEndpoint; 184 185 typedef struct USBDesc USBDesc; 186 typedef struct USBDescID USBDescID; 187 typedef struct USBDescDevice USBDescDevice; 188 typedef struct USBDescConfig USBDescConfig; 189 typedef struct USBDescIfaceAssoc USBDescIfaceAssoc; 190 typedef struct USBDescIface USBDescIface; 191 typedef struct USBDescEndpoint USBDescEndpoint; 192 typedef struct USBDescOther USBDescOther; 193 typedef struct USBDescString USBDescString; 194 typedef struct USBDescMSOS USBDescMSOS; 195 196 struct USBDescString { 197 uint8_t index; 198 char *str; 199 QLIST_ENTRY(USBDescString) next; 200 }; 201 202 #define USB_MAX_ENDPOINTS 15 203 #define USB_MAX_INTERFACES 16 204 205 struct USBEndpoint { 206 uint8_t nr; 207 uint8_t pid; 208 uint8_t type; 209 uint8_t ifnum; 210 int max_packet_size; 211 int max_streams; 212 bool pipeline; 213 bool halted; 214 USBDevice *dev; 215 QTAILQ_HEAD(, USBPacket) queue; 216 }; 217 218 enum USBDeviceFlags { 219 USB_DEV_FLAG_FULL_PATH, 220 USB_DEV_FLAG_IS_HOST, 221 USB_DEV_FLAG_MSOS_DESC_ENABLE, 222 USB_DEV_FLAG_MSOS_DESC_IN_USE, 223 }; 224 225 /* definition of a USB device */ 226 struct USBDevice { 227 DeviceState qdev; 228 USBPort *port; 229 char *port_path; 230 char *serial; 231 void *opaque; 232 uint32_t flags; 233 234 /* Actual connected speed */ 235 int speed; 236 /* Supported speeds, not in info because it may be variable (hostdevs) */ 237 int speedmask; 238 uint8_t addr; 239 char product_desc[32]; 240 int auto_attach; 241 bool attached; 242 243 int32_t state; 244 uint8_t setup_buf[8]; 245 uint8_t data_buf[4096]; 246 int32_t remote_wakeup; 247 int32_t setup_state; 248 int32_t setup_len; 249 int32_t setup_index; 250 251 USBEndpoint ep_ctl; 252 USBEndpoint ep_in[USB_MAX_ENDPOINTS]; 253 USBEndpoint ep_out[USB_MAX_ENDPOINTS]; 254 255 QLIST_HEAD(, USBDescString) strings; 256 const USBDesc *usb_desc; /* Overrides class usb_desc if not NULL */ 257 const USBDescDevice *device; 258 259 int configuration; 260 int ninterfaces; 261 int altsetting[USB_MAX_INTERFACES]; 262 const USBDescConfig *config; 263 const USBDescIface *ifaces[USB_MAX_INTERFACES]; 264 }; 265 266 #define TYPE_USB_DEVICE "usb-device" 267 OBJECT_DECLARE_TYPE(USBDevice, USBDeviceClass, USB_DEVICE) 268 269 typedef void (*USBDeviceRealize)(USBDevice *dev, Error **errp); 270 typedef void (*USBDeviceUnrealize)(USBDevice *dev); 271 272 struct USBDeviceClass { 273 DeviceClass parent_class; 274 275 USBDeviceRealize realize; 276 USBDeviceUnrealize unrealize; 277 278 /* 279 * Walk (enabled) downstream ports, check for a matching device. 280 * Only hubs implement this. 281 */ 282 USBDevice *(*find_device)(USBDevice *dev, uint8_t addr); 283 284 /* 285 * Called when a packet is canceled. 286 */ 287 void (*cancel_packet)(USBDevice *dev, USBPacket *p); 288 289 /* 290 * Attach the device 291 */ 292 void (*handle_attach)(USBDevice *dev); 293 294 /* 295 * Reset the device 296 */ 297 void (*handle_reset)(USBDevice *dev); 298 299 /* 300 * Process control request. 301 * Called from handle_packet(). 302 * 303 * Status gets stored in p->status, and if p->status == USB_RET_SUCCESS 304 * then the number of bytes transferred is stored in p->actual_length 305 */ 306 void (*handle_control)(USBDevice *dev, USBPacket *p, int request, int value, 307 int index, int length, uint8_t *data); 308 309 /* 310 * Process data transfers (both BULK and ISOC). 311 * Called from handle_packet(). 312 * 313 * Status gets stored in p->status, and if p->status == USB_RET_SUCCESS 314 * then the number of bytes transferred is stored in p->actual_length 315 */ 316 void (*handle_data)(USBDevice *dev, USBPacket *p); 317 318 void (*set_interface)(USBDevice *dev, int interface, 319 int alt_old, int alt_new); 320 321 /* 322 * Called when the hcd is done queuing packets for an endpoint, only 323 * necessary for devices which can return USB_RET_ADD_TO_QUEUE. 324 */ 325 void (*flush_ep_queue)(USBDevice *dev, USBEndpoint *ep); 326 327 /* 328 * Called by the hcd to let the device know the queue for an endpoint 329 * has been unlinked / stopped. Optional may be NULL. 330 */ 331 void (*ep_stopped)(USBDevice *dev, USBEndpoint *ep); 332 333 /* 334 * Called by the hcd to alloc / free streams on a bulk endpoint. 335 * Optional may be NULL. 336 */ 337 int (*alloc_streams)(USBDevice *dev, USBEndpoint **eps, int nr_eps, 338 int streams); 339 void (*free_streams)(USBDevice *dev, USBEndpoint **eps, int nr_eps); 340 341 const char *product_desc; 342 const USBDesc *usb_desc; 343 bool attached_settable; 344 }; 345 346 typedef struct USBPortOps { 347 void (*attach)(USBPort *port); 348 void (*detach)(USBPort *port); 349 /* 350 * This gets called when a device downstream from the device attached to 351 * the port (iow attached through a hub) gets detached. 352 */ 353 void (*child_detach)(USBPort *port, USBDevice *child); 354 void (*wakeup)(USBPort *port); 355 /* 356 * Note that port->dev will be different then the device from which 357 * the packet originated when a hub is involved. 358 */ 359 void (*complete)(USBPort *port, USBPacket *p); 360 } USBPortOps; 361 362 /* USB port on which a device can be connected */ 363 struct USBPort { 364 USBDevice *dev; 365 int speedmask; 366 int hubcount; 367 char path[16]; 368 USBPortOps *ops; 369 void *opaque; 370 int index; /* internal port index, may be used with the opaque */ 371 QTAILQ_ENTRY(USBPort) next; 372 }; 373 374 typedef void USBCallback(USBPacket * packet, void *opaque); 375 376 typedef enum USBPacketState { 377 USB_PACKET_UNDEFINED = 0, 378 USB_PACKET_SETUP, 379 USB_PACKET_QUEUED, 380 USB_PACKET_ASYNC, 381 USB_PACKET_COMPLETE, 382 USB_PACKET_CANCELED, 383 } USBPacketState; 384 385 /* Structure used to hold information about an active USB packet. */ 386 struct USBPacket { 387 /* Data fields for use by the driver. */ 388 int pid; 389 uint64_t id; 390 USBEndpoint *ep; 391 unsigned int stream; 392 QEMUIOVector iov; 393 uint64_t parameter; /* control transfers */ 394 bool short_not_ok; 395 bool int_req; 396 int status; /* USB_RET_* status code */ 397 int actual_length; /* Number of bytes actually transferred */ 398 /* Internal use by the USB layer. */ 399 USBPacketState state; 400 USBCombinedPacket *combined; 401 QTAILQ_ENTRY(USBPacket) queue; 402 QTAILQ_ENTRY(USBPacket) combined_entry; 403 }; 404 405 struct USBCombinedPacket { 406 USBPacket *first; 407 QTAILQ_HEAD(, USBPacket) packets; 408 QEMUIOVector iov; 409 }; 410 411 void usb_packet_init(USBPacket *p); 412 void usb_packet_set_state(USBPacket *p, USBPacketState state); 413 void usb_packet_check_state(USBPacket *p, USBPacketState expected); 414 void usb_packet_setup(USBPacket *p, int pid, 415 USBEndpoint *ep, unsigned int stream, 416 uint64_t id, bool short_not_ok, bool int_req); 417 void usb_packet_addbuf(USBPacket *p, void *ptr, size_t len); 418 int usb_packet_map(USBPacket *p, QEMUSGList *sgl); 419 void usb_packet_unmap(USBPacket *p, QEMUSGList *sgl); 420 void usb_packet_copy(USBPacket *p, void *ptr, size_t bytes); 421 void usb_packet_skip(USBPacket *p, size_t bytes); 422 size_t usb_packet_size(USBPacket *p); 423 void usb_packet_cleanup(USBPacket *p); 424 425 static inline bool usb_packet_is_inflight(USBPacket *p) 426 { 427 return (p->state == USB_PACKET_QUEUED || 428 p->state == USB_PACKET_ASYNC); 429 } 430 431 USBDevice *usb_find_device(USBPort *port, uint8_t addr); 432 433 void usb_handle_packet(USBDevice *dev, USBPacket *p); 434 void usb_packet_complete(USBDevice *dev, USBPacket *p); 435 void usb_packet_complete_one(USBDevice *dev, USBPacket *p); 436 void usb_cancel_packet(USBPacket * p); 437 438 void usb_ep_init(USBDevice *dev); 439 void usb_ep_reset(USBDevice *dev); 440 void usb_ep_dump(USBDevice *dev); 441 struct USBEndpoint *usb_ep_get(USBDevice *dev, int pid, int ep); 442 uint8_t usb_ep_get_type(USBDevice *dev, int pid, int ep); 443 void usb_ep_set_type(USBDevice *dev, int pid, int ep, uint8_t type); 444 void usb_ep_set_ifnum(USBDevice *dev, int pid, int ep, uint8_t ifnum); 445 void usb_ep_set_max_packet_size(USBDevice *dev, int pid, int ep, 446 uint16_t raw); 447 void usb_ep_set_max_streams(USBDevice *dev, int pid, int ep, uint8_t raw); 448 void usb_ep_set_halted(USBDevice *dev, int pid, int ep, bool halted); 449 USBPacket *usb_ep_find_packet_by_id(USBDevice *dev, int pid, int ep, 450 uint64_t id); 451 452 void usb_ep_combine_input_packets(USBEndpoint *ep); 453 void usb_combined_input_packet_complete(USBDevice *dev, USBPacket *p); 454 void usb_combined_packet_cancel(USBDevice *dev, USBPacket *p); 455 456 void usb_pick_speed(USBPort *port); 457 void usb_attach(USBPort *port); 458 void usb_detach(USBPort *port); 459 void usb_port_reset(USBPort *port); 460 void usb_device_reset(USBDevice *dev); 461 void usb_wakeup(USBEndpoint *ep, unsigned int stream); 462 void usb_generic_async_ctrl_complete(USBDevice *s, USBPacket *p); 463 464 /* usb-linux.c */ 465 void hmp_info_usbhost(Monitor *mon, const QDict *qdict); 466 bool usb_host_dev_is_scsi_storage(USBDevice *usbdev); 467 468 /* usb ports of the VM */ 469 470 #define VM_USB_HUB_SIZE 8 471 472 /* usb-bus.c */ 473 474 #define TYPE_USB_BUS "usb-bus" 475 OBJECT_DECLARE_SIMPLE_TYPE(USBBus, USB_BUS) 476 477 struct USBBus { 478 BusState qbus; 479 USBBusOps *ops; 480 int busnr; 481 int nfree; 482 int nused; 483 QTAILQ_HEAD(, USBPort) free; 484 QTAILQ_HEAD(, USBPort) used; 485 QTAILQ_ENTRY(USBBus) next; 486 }; 487 488 struct USBBusOps { 489 void (*register_companion)(USBBus *bus, USBPort *ports[], 490 uint32_t portcount, uint32_t firstport, 491 Error **errp); 492 void (*wakeup_endpoint)(USBBus *bus, USBEndpoint *ep, unsigned int stream); 493 }; 494 495 void usb_bus_new(USBBus *bus, size_t bus_size, 496 USBBusOps *ops, DeviceState *host); 497 void usb_bus_release(USBBus *bus); 498 USBBus *usb_bus_find(int busnr); 499 void usb_legacy_register(const char *typename, const char *usbdevice_name, 500 USBDevice *(*usbdevice_init)(const char *params)); 501 USBDevice *usb_new(const char *name); 502 bool usb_realize_and_unref(USBDevice *dev, USBBus *bus, Error **errp); 503 USBDevice *usb_create_simple(USBBus *bus, const char *name); 504 USBDevice *usbdevice_create(const char *cmdline); 505 void usb_register_port(USBBus *bus, USBPort *port, void *opaque, int index, 506 USBPortOps *ops, int speedmask); 507 void usb_register_companion(const char *masterbus, USBPort *ports[], 508 uint32_t portcount, uint32_t firstport, 509 void *opaque, USBPortOps *ops, int speedmask, 510 Error **errp); 511 void usb_port_location(USBPort *downstream, USBPort *upstream, int portnr); 512 void usb_unregister_port(USBBus *bus, USBPort *port); 513 void usb_claim_port(USBDevice *dev, Error **errp); 514 void usb_release_port(USBDevice *dev); 515 void usb_device_attach(USBDevice *dev, Error **errp); 516 int usb_device_detach(USBDevice *dev); 517 void usb_check_attach(USBDevice *dev, Error **errp); 518 519 static inline USBBus *usb_bus_from_device(USBDevice *d) 520 { 521 return DO_UPCAST(USBBus, qbus, d->qdev.parent_bus); 522 } 523 524 extern const VMStateDescription vmstate_usb_device; 525 526 #define VMSTATE_USB_DEVICE(_field, _state) { \ 527 .name = (stringify(_field)), \ 528 .size = sizeof(USBDevice), \ 529 .vmsd = &vmstate_usb_device, \ 530 .flags = VMS_STRUCT, \ 531 .offset = vmstate_offset_value(_state, _field, USBDevice), \ 532 } 533 534 USBDevice *usb_device_find_device(USBDevice *dev, uint8_t addr); 535 536 void usb_device_cancel_packet(USBDevice *dev, USBPacket *p); 537 538 void usb_device_handle_attach(USBDevice *dev); 539 540 void usb_device_handle_reset(USBDevice *dev); 541 542 void usb_device_handle_control(USBDevice *dev, USBPacket *p, int request, 543 int val, int index, int length, uint8_t *data); 544 545 void usb_device_handle_data(USBDevice *dev, USBPacket *p); 546 547 void usb_device_set_interface(USBDevice *dev, int interface, 548 int alt_old, int alt_new); 549 550 void usb_device_flush_ep_queue(USBDevice *dev, USBEndpoint *ep); 551 552 void usb_device_ep_stopped(USBDevice *dev, USBEndpoint *ep); 553 554 int usb_device_alloc_streams(USBDevice *dev, USBEndpoint **eps, int nr_eps, 555 int streams); 556 void usb_device_free_streams(USBDevice *dev, USBEndpoint **eps, int nr_eps); 557 558 const char *usb_device_get_product_desc(USBDevice *dev); 559 560 const USBDesc *usb_device_get_usb_desc(USBDevice *dev); 561 562 /* quirks.c */ 563 564 /* In bulk endpoints are streaming data sources (iow behave like isoc eps) */ 565 #define USB_QUIRK_BUFFER_BULK_IN 0x01 566 /* Bulk pkts in FTDI format, need special handling when combining packets */ 567 #define USB_QUIRK_IS_FTDI 0x02 568 569 int usb_get_quirks(uint16_t vendor_id, uint16_t product_id, 570 uint8_t interface_class, uint8_t interface_subclass, 571 uint8_t interface_protocol); 572 573 #endif 574