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 USBBus USBBus; 179 typedef struct USBBusOps USBBusOps; 180 typedef struct USBPort USBPort; 181 typedef struct USBDevice USBDevice; 182 typedef struct USBPacket USBPacket; 183 typedef struct USBCombinedPacket USBCombinedPacket; 184 typedef struct USBEndpoint USBEndpoint; 185 186 typedef struct USBDesc USBDesc; 187 typedef struct USBDescID USBDescID; 188 typedef struct USBDescDevice USBDescDevice; 189 typedef struct USBDescConfig USBDescConfig; 190 typedef struct USBDescIfaceAssoc USBDescIfaceAssoc; 191 typedef struct USBDescIface USBDescIface; 192 typedef struct USBDescEndpoint USBDescEndpoint; 193 typedef struct USBDescOther USBDescOther; 194 typedef struct USBDescString USBDescString; 195 typedef struct USBDescMSOS USBDescMSOS; 196 197 struct USBDescString { 198 uint8_t index; 199 char *str; 200 QLIST_ENTRY(USBDescString) next; 201 }; 202 203 #define USB_MAX_ENDPOINTS 15 204 #define USB_MAX_INTERFACES 16 205 206 struct USBEndpoint { 207 uint8_t nr; 208 uint8_t pid; 209 uint8_t type; 210 uint8_t ifnum; 211 int max_packet_size; 212 int max_streams; 213 bool pipeline; 214 bool halted; 215 USBDevice *dev; 216 QTAILQ_HEAD(, USBPacket) queue; 217 }; 218 219 enum USBDeviceFlags { 220 USB_DEV_FLAG_FULL_PATH, 221 USB_DEV_FLAG_IS_HOST, 222 USB_DEV_FLAG_MSOS_DESC_ENABLE, 223 USB_DEV_FLAG_MSOS_DESC_IN_USE, 224 }; 225 226 /* definition of a USB device */ 227 struct USBDevice { 228 DeviceState qdev; 229 USBPort *port; 230 char *port_path; 231 char *serial; 232 void *opaque; 233 uint32_t flags; 234 235 /* Actual connected speed */ 236 int speed; 237 /* Supported speeds, not in info because it may be variable (hostdevs) */ 238 int speedmask; 239 uint8_t addr; 240 char product_desc[32]; 241 int auto_attach; 242 bool attached; 243 244 int32_t state; 245 uint8_t setup_buf[8]; 246 uint8_t data_buf[4096]; 247 int32_t remote_wakeup; 248 int32_t setup_state; 249 int32_t setup_len; 250 int32_t setup_index; 251 252 USBEndpoint ep_ctl; 253 USBEndpoint ep_in[USB_MAX_ENDPOINTS]; 254 USBEndpoint ep_out[USB_MAX_ENDPOINTS]; 255 256 QLIST_HEAD(, USBDescString) strings; 257 const USBDesc *usb_desc; /* Overrides class usb_desc if not NULL */ 258 const USBDescDevice *device; 259 260 int configuration; 261 int ninterfaces; 262 int altsetting[USB_MAX_INTERFACES]; 263 const USBDescConfig *config; 264 const USBDescIface *ifaces[USB_MAX_INTERFACES]; 265 }; 266 267 #define TYPE_USB_DEVICE "usb-device" 268 typedef struct USBDeviceClass USBDeviceClass; 269 DECLARE_OBJ_CHECKERS(USBDevice, USBDeviceClass, 270 USB_DEVICE, TYPE_USB_DEVICE) 271 272 typedef void (*USBDeviceRealize)(USBDevice *dev, Error **errp); 273 typedef void (*USBDeviceUnrealize)(USBDevice *dev); 274 275 struct USBDeviceClass { 276 DeviceClass parent_class; 277 278 USBDeviceRealize realize; 279 USBDeviceUnrealize unrealize; 280 281 /* 282 * Walk (enabled) downstream ports, check for a matching device. 283 * Only hubs implement this. 284 */ 285 USBDevice *(*find_device)(USBDevice *dev, uint8_t addr); 286 287 /* 288 * Called when a packet is canceled. 289 */ 290 void (*cancel_packet)(USBDevice *dev, USBPacket *p); 291 292 /* 293 * Attach the device 294 */ 295 void (*handle_attach)(USBDevice *dev); 296 297 /* 298 * Reset the device 299 */ 300 void (*handle_reset)(USBDevice *dev); 301 302 /* 303 * Process control request. 304 * Called from handle_packet(). 305 * 306 * Status gets stored in p->status, and if p->status == USB_RET_SUCCESS 307 * then the number of bytes transferred is stored in p->actual_length 308 */ 309 void (*handle_control)(USBDevice *dev, USBPacket *p, int request, int value, 310 int index, int length, uint8_t *data); 311 312 /* 313 * Process data transfers (both BULK and ISOC). 314 * Called from handle_packet(). 315 * 316 * Status gets stored in p->status, and if p->status == USB_RET_SUCCESS 317 * then the number of bytes transferred is stored in p->actual_length 318 */ 319 void (*handle_data)(USBDevice *dev, USBPacket *p); 320 321 void (*set_interface)(USBDevice *dev, int interface, 322 int alt_old, int alt_new); 323 324 /* 325 * Called when the hcd is done queuing packets for an endpoint, only 326 * necessary for devices which can return USB_RET_ADD_TO_QUEUE. 327 */ 328 void (*flush_ep_queue)(USBDevice *dev, USBEndpoint *ep); 329 330 /* 331 * Called by the hcd to let the device know the queue for an endpoint 332 * has been unlinked / stopped. Optional may be NULL. 333 */ 334 void (*ep_stopped)(USBDevice *dev, USBEndpoint *ep); 335 336 /* 337 * Called by the hcd to alloc / free streams on a bulk endpoint. 338 * Optional may be NULL. 339 */ 340 int (*alloc_streams)(USBDevice *dev, USBEndpoint **eps, int nr_eps, 341 int streams); 342 void (*free_streams)(USBDevice *dev, USBEndpoint **eps, int nr_eps); 343 344 const char *product_desc; 345 const USBDesc *usb_desc; 346 bool attached_settable; 347 }; 348 349 typedef struct USBPortOps { 350 void (*attach)(USBPort *port); 351 void (*detach)(USBPort *port); 352 /* 353 * This gets called when a device downstream from the device attached to 354 * the port (iow attached through a hub) gets detached. 355 */ 356 void (*child_detach)(USBPort *port, USBDevice *child); 357 void (*wakeup)(USBPort *port); 358 /* 359 * Note that port->dev will be different then the device from which 360 * the packet originated when a hub is involved. 361 */ 362 void (*complete)(USBPort *port, USBPacket *p); 363 } USBPortOps; 364 365 /* USB port on which a device can be connected */ 366 struct USBPort { 367 USBDevice *dev; 368 int speedmask; 369 int hubcount; 370 char path[16]; 371 USBPortOps *ops; 372 void *opaque; 373 int index; /* internal port index, may be used with the opaque */ 374 QTAILQ_ENTRY(USBPort) next; 375 }; 376 377 typedef void USBCallback(USBPacket * packet, void *opaque); 378 379 typedef enum USBPacketState { 380 USB_PACKET_UNDEFINED = 0, 381 USB_PACKET_SETUP, 382 USB_PACKET_QUEUED, 383 USB_PACKET_ASYNC, 384 USB_PACKET_COMPLETE, 385 USB_PACKET_CANCELED, 386 } USBPacketState; 387 388 /* Structure used to hold information about an active USB packet. */ 389 struct USBPacket { 390 /* Data fields for use by the driver. */ 391 int pid; 392 uint64_t id; 393 USBEndpoint *ep; 394 unsigned int stream; 395 QEMUIOVector iov; 396 uint64_t parameter; /* control transfers */ 397 bool short_not_ok; 398 bool int_req; 399 int status; /* USB_RET_* status code */ 400 int actual_length; /* Number of bytes actually transferred */ 401 /* Internal use by the USB layer. */ 402 USBPacketState state; 403 USBCombinedPacket *combined; 404 QTAILQ_ENTRY(USBPacket) queue; 405 QTAILQ_ENTRY(USBPacket) combined_entry; 406 }; 407 408 struct USBCombinedPacket { 409 USBPacket *first; 410 QTAILQ_HEAD(, USBPacket) packets; 411 QEMUIOVector iov; 412 }; 413 414 void usb_packet_init(USBPacket *p); 415 void usb_packet_set_state(USBPacket *p, USBPacketState state); 416 void usb_packet_check_state(USBPacket *p, USBPacketState expected); 417 void usb_packet_setup(USBPacket *p, int pid, 418 USBEndpoint *ep, unsigned int stream, 419 uint64_t id, bool short_not_ok, bool int_req); 420 void usb_packet_addbuf(USBPacket *p, void *ptr, size_t len); 421 int usb_packet_map(USBPacket *p, QEMUSGList *sgl); 422 void usb_packet_unmap(USBPacket *p, QEMUSGList *sgl); 423 void usb_packet_copy(USBPacket *p, void *ptr, size_t bytes); 424 void usb_packet_skip(USBPacket *p, size_t bytes); 425 size_t usb_packet_size(USBPacket *p); 426 void usb_packet_cleanup(USBPacket *p); 427 428 static inline bool usb_packet_is_inflight(USBPacket *p) 429 { 430 return (p->state == USB_PACKET_QUEUED || 431 p->state == USB_PACKET_ASYNC); 432 } 433 434 USBDevice *usb_find_device(USBPort *port, uint8_t addr); 435 436 void usb_handle_packet(USBDevice *dev, USBPacket *p); 437 void usb_packet_complete(USBDevice *dev, USBPacket *p); 438 void usb_packet_complete_one(USBDevice *dev, USBPacket *p); 439 void usb_cancel_packet(USBPacket * p); 440 441 void usb_ep_init(USBDevice *dev); 442 void usb_ep_reset(USBDevice *dev); 443 void usb_ep_dump(USBDevice *dev); 444 struct USBEndpoint *usb_ep_get(USBDevice *dev, int pid, int ep); 445 uint8_t usb_ep_get_type(USBDevice *dev, int pid, int ep); 446 void usb_ep_set_type(USBDevice *dev, int pid, int ep, uint8_t type); 447 void usb_ep_set_ifnum(USBDevice *dev, int pid, int ep, uint8_t ifnum); 448 void usb_ep_set_max_packet_size(USBDevice *dev, int pid, int ep, 449 uint16_t raw); 450 void usb_ep_set_max_streams(USBDevice *dev, int pid, int ep, uint8_t raw); 451 void usb_ep_set_halted(USBDevice *dev, int pid, int ep, bool halted); 452 USBPacket *usb_ep_find_packet_by_id(USBDevice *dev, int pid, int ep, 453 uint64_t id); 454 455 void usb_ep_combine_input_packets(USBEndpoint *ep); 456 void usb_combined_input_packet_complete(USBDevice *dev, USBPacket *p); 457 void usb_combined_packet_cancel(USBDevice *dev, USBPacket *p); 458 459 void usb_pick_speed(USBPort *port); 460 void usb_attach(USBPort *port); 461 void usb_detach(USBPort *port); 462 void usb_port_reset(USBPort *port); 463 void usb_device_reset(USBDevice *dev); 464 void usb_wakeup(USBEndpoint *ep, unsigned int stream); 465 void usb_generic_async_ctrl_complete(USBDevice *s, USBPacket *p); 466 467 /* usb-linux.c */ 468 void hmp_info_usbhost(Monitor *mon, const QDict *qdict); 469 bool usb_host_dev_is_scsi_storage(USBDevice *usbdev); 470 471 /* usb ports of the VM */ 472 473 #define VM_USB_HUB_SIZE 8 474 475 /* usb-bus.c */ 476 477 #define TYPE_USB_BUS "usb-bus" 478 DECLARE_INSTANCE_CHECKER(USBBus, USB_BUS, 479 TYPE_USB_BUS) 480 481 struct USBBus { 482 BusState qbus; 483 USBBusOps *ops; 484 int busnr; 485 int nfree; 486 int nused; 487 QTAILQ_HEAD(, USBPort) free; 488 QTAILQ_HEAD(, USBPort) used; 489 QTAILQ_ENTRY(USBBus) next; 490 }; 491 492 struct USBBusOps { 493 void (*register_companion)(USBBus *bus, USBPort *ports[], 494 uint32_t portcount, uint32_t firstport, 495 Error **errp); 496 void (*wakeup_endpoint)(USBBus *bus, USBEndpoint *ep, unsigned int stream); 497 }; 498 499 void usb_bus_new(USBBus *bus, size_t bus_size, 500 USBBusOps *ops, DeviceState *host); 501 void usb_bus_release(USBBus *bus); 502 USBBus *usb_bus_find(int busnr); 503 void usb_legacy_register(const char *typename, const char *usbdevice_name, 504 USBDevice *(*usbdevice_init)(const char *params)); 505 USBDevice *usb_new(const char *name); 506 bool usb_realize_and_unref(USBDevice *dev, USBBus *bus, Error **errp); 507 USBDevice *usb_create_simple(USBBus *bus, const char *name); 508 USBDevice *usbdevice_create(const char *cmdline); 509 void usb_register_port(USBBus *bus, USBPort *port, void *opaque, int index, 510 USBPortOps *ops, int speedmask); 511 void usb_register_companion(const char *masterbus, USBPort *ports[], 512 uint32_t portcount, uint32_t firstport, 513 void *opaque, USBPortOps *ops, int speedmask, 514 Error **errp); 515 void usb_port_location(USBPort *downstream, USBPort *upstream, int portnr); 516 void usb_unregister_port(USBBus *bus, USBPort *port); 517 void usb_claim_port(USBDevice *dev, Error **errp); 518 void usb_release_port(USBDevice *dev); 519 void usb_device_attach(USBDevice *dev, Error **errp); 520 int usb_device_detach(USBDevice *dev); 521 void usb_check_attach(USBDevice *dev, Error **errp); 522 523 static inline USBBus *usb_bus_from_device(USBDevice *d) 524 { 525 return DO_UPCAST(USBBus, qbus, d->qdev.parent_bus); 526 } 527 528 extern const VMStateDescription vmstate_usb_device; 529 530 #define VMSTATE_USB_DEVICE(_field, _state) { \ 531 .name = (stringify(_field)), \ 532 .size = sizeof(USBDevice), \ 533 .vmsd = &vmstate_usb_device, \ 534 .flags = VMS_STRUCT, \ 535 .offset = vmstate_offset_value(_state, _field, USBDevice), \ 536 } 537 538 USBDevice *usb_device_find_device(USBDevice *dev, uint8_t addr); 539 540 void usb_device_cancel_packet(USBDevice *dev, USBPacket *p); 541 542 void usb_device_handle_attach(USBDevice *dev); 543 544 void usb_device_handle_reset(USBDevice *dev); 545 546 void usb_device_handle_control(USBDevice *dev, USBPacket *p, int request, 547 int val, int index, int length, uint8_t *data); 548 549 void usb_device_handle_data(USBDevice *dev, USBPacket *p); 550 551 void usb_device_set_interface(USBDevice *dev, int interface, 552 int alt_old, int alt_new); 553 554 void usb_device_flush_ep_queue(USBDevice *dev, USBEndpoint *ep); 555 556 void usb_device_ep_stopped(USBDevice *dev, USBEndpoint *ep); 557 558 int usb_device_alloc_streams(USBDevice *dev, USBEndpoint **eps, int nr_eps, 559 int streams); 560 void usb_device_free_streams(USBDevice *dev, USBEndpoint **eps, int nr_eps); 561 562 const char *usb_device_get_product_desc(USBDevice *dev); 563 564 const USBDesc *usb_device_get_usb_desc(USBDevice *dev); 565 566 /* quirks.c */ 567 568 /* In bulk endpoints are streaming data sources (iow behave like isoc eps) */ 569 #define USB_QUIRK_BUFFER_BULK_IN 0x01 570 /* Bulk pkts in FTDI format, need special handling when combining packets */ 571 #define USB_QUIRK_IS_FTDI 0x02 572 573 int usb_get_quirks(uint16_t vendor_id, uint16_t product_id, 574 uint8_t interface_class, uint8_t interface_subclass, 575 uint8_t interface_protocol); 576 577 #endif 578