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 "hw/qdev.h" 29 #include "qemu/queue.h" 30 31 /* Constants related to the USB / PCI interaction */ 32 #define USB_SBRN 0x60 /* Serial Bus Release Number Register */ 33 #define USB_RELEASE_1 0x10 /* USB 1.0 */ 34 #define USB_RELEASE_2 0x20 /* USB 2.0 */ 35 #define USB_RELEASE_3 0x30 /* USB 3.0 */ 36 37 #define USB_TOKEN_SETUP 0x2d 38 #define USB_TOKEN_IN 0x69 /* device -> host */ 39 #define USB_TOKEN_OUT 0xe1 /* host -> device */ 40 41 #define USB_RET_SUCCESS (0) 42 #define USB_RET_NODEV (-1) 43 #define USB_RET_NAK (-2) 44 #define USB_RET_STALL (-3) 45 #define USB_RET_BABBLE (-4) 46 #define USB_RET_IOERROR (-5) 47 #define USB_RET_ASYNC (-6) 48 #define USB_RET_ADD_TO_QUEUE (-7) 49 #define USB_RET_REMOVE_FROM_QUEUE (-8) 50 51 #define USB_SPEED_LOW 0 52 #define USB_SPEED_FULL 1 53 #define USB_SPEED_HIGH 2 54 #define USB_SPEED_SUPER 3 55 56 #define USB_SPEED_MASK_LOW (1 << USB_SPEED_LOW) 57 #define USB_SPEED_MASK_FULL (1 << USB_SPEED_FULL) 58 #define USB_SPEED_MASK_HIGH (1 << USB_SPEED_HIGH) 59 #define USB_SPEED_MASK_SUPER (1 << USB_SPEED_SUPER) 60 61 #define USB_STATE_NOTATTACHED 0 62 #define USB_STATE_ATTACHED 1 63 //#define USB_STATE_POWERED 2 64 #define USB_STATE_DEFAULT 3 65 //#define USB_STATE_ADDRESS 4 66 //#define USB_STATE_CONFIGURED 5 67 #define USB_STATE_SUSPENDED 6 68 69 #define USB_CLASS_AUDIO 1 70 #define USB_CLASS_COMM 2 71 #define USB_CLASS_HID 3 72 #define USB_CLASS_PHYSICAL 5 73 #define USB_CLASS_STILL_IMAGE 6 74 #define USB_CLASS_PRINTER 7 75 #define USB_CLASS_MASS_STORAGE 8 76 #define USB_CLASS_HUB 9 77 #define USB_CLASS_CDC_DATA 0x0a 78 #define USB_CLASS_CSCID 0x0b 79 #define USB_CLASS_CONTENT_SEC 0x0d 80 #define USB_CLASS_APP_SPEC 0xfe 81 #define USB_CLASS_VENDOR_SPEC 0xff 82 83 #define USB_SUBCLASS_UNDEFINED 0 84 #define USB_SUBCLASS_AUDIO_CONTROL 1 85 #define USB_SUBCLASS_AUDIO_STREAMING 2 86 #define USB_SUBCLASS_AUDIO_MIDISTREAMING 3 87 88 #define USB_DIR_OUT 0 89 #define USB_DIR_IN 0x80 90 91 #define USB_TYPE_MASK (0x03 << 5) 92 #define USB_TYPE_STANDARD (0x00 << 5) 93 #define USB_TYPE_CLASS (0x01 << 5) 94 #define USB_TYPE_VENDOR (0x02 << 5) 95 #define USB_TYPE_RESERVED (0x03 << 5) 96 97 #define USB_RECIP_MASK 0x1f 98 #define USB_RECIP_DEVICE 0x00 99 #define USB_RECIP_INTERFACE 0x01 100 #define USB_RECIP_ENDPOINT 0x02 101 #define USB_RECIP_OTHER 0x03 102 103 #define DeviceRequest ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8) 104 #define DeviceOutRequest ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8) 105 #define VendorDeviceRequest ((USB_DIR_IN|USB_TYPE_VENDOR|USB_RECIP_DEVICE)<<8) 106 #define VendorDeviceOutRequest \ 107 ((USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_DEVICE)<<8) 108 109 #define InterfaceRequest \ 110 ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8) 111 #define InterfaceOutRequest \ 112 ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8) 113 #define ClassInterfaceRequest \ 114 ((USB_DIR_IN|USB_TYPE_CLASS|USB_RECIP_INTERFACE)<<8) 115 #define ClassInterfaceOutRequest \ 116 ((USB_DIR_OUT|USB_TYPE_CLASS|USB_RECIP_INTERFACE)<<8) 117 #define VendorInterfaceRequest \ 118 ((USB_DIR_IN|USB_TYPE_VENDOR|USB_RECIP_INTERFACE)<<8) 119 #define VendorInterfaceOutRequest \ 120 ((USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE)<<8) 121 122 #define EndpointRequest ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8) 123 #define EndpointOutRequest \ 124 ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8) 125 126 #define USB_REQ_GET_STATUS 0x00 127 #define USB_REQ_CLEAR_FEATURE 0x01 128 #define USB_REQ_SET_FEATURE 0x03 129 #define USB_REQ_SET_ADDRESS 0x05 130 #define USB_REQ_GET_DESCRIPTOR 0x06 131 #define USB_REQ_SET_DESCRIPTOR 0x07 132 #define USB_REQ_GET_CONFIGURATION 0x08 133 #define USB_REQ_SET_CONFIGURATION 0x09 134 #define USB_REQ_GET_INTERFACE 0x0A 135 #define USB_REQ_SET_INTERFACE 0x0B 136 #define USB_REQ_SYNCH_FRAME 0x0C 137 138 #define USB_DEVICE_SELF_POWERED 0 139 #define USB_DEVICE_REMOTE_WAKEUP 1 140 141 #define USB_DT_DEVICE 0x01 142 #define USB_DT_CONFIG 0x02 143 #define USB_DT_STRING 0x03 144 #define USB_DT_INTERFACE 0x04 145 #define USB_DT_ENDPOINT 0x05 146 #define USB_DT_DEVICE_QUALIFIER 0x06 147 #define USB_DT_OTHER_SPEED_CONFIG 0x07 148 #define USB_DT_DEBUG 0x0A 149 #define USB_DT_INTERFACE_ASSOC 0x0B 150 #define USB_DT_BOS 0x0F 151 #define USB_DT_DEVICE_CAPABILITY 0x10 152 #define USB_DT_CS_INTERFACE 0x24 153 #define USB_DT_CS_ENDPOINT 0x25 154 #define USB_DT_ENDPOINT_COMPANION 0x30 155 156 #define USB_DEV_CAP_WIRELESS 0x01 157 #define USB_DEV_CAP_USB2_EXT 0x02 158 #define USB_DEV_CAP_SUPERSPEED 0x03 159 160 #define USB_ENDPOINT_XFER_CONTROL 0 161 #define USB_ENDPOINT_XFER_ISOC 1 162 #define USB_ENDPOINT_XFER_BULK 2 163 #define USB_ENDPOINT_XFER_INT 3 164 #define USB_ENDPOINT_XFER_INVALID 255 165 166 #define USB_INTERFACE_INVALID 255 167 168 typedef struct USBBus USBBus; 169 typedef struct USBBusOps USBBusOps; 170 typedef struct USBPort USBPort; 171 typedef struct USBDevice USBDevice; 172 typedef struct USBPacket USBPacket; 173 typedef struct USBCombinedPacket USBCombinedPacket; 174 typedef struct USBEndpoint USBEndpoint; 175 176 typedef struct USBDesc USBDesc; 177 typedef struct USBDescID USBDescID; 178 typedef struct USBDescDevice USBDescDevice; 179 typedef struct USBDescConfig USBDescConfig; 180 typedef struct USBDescIfaceAssoc USBDescIfaceAssoc; 181 typedef struct USBDescIface USBDescIface; 182 typedef struct USBDescEndpoint USBDescEndpoint; 183 typedef struct USBDescOther USBDescOther; 184 typedef struct USBDescString USBDescString; 185 typedef struct USBDescMSOS USBDescMSOS; 186 187 struct USBDescString { 188 uint8_t index; 189 char *str; 190 QLIST_ENTRY(USBDescString) next; 191 }; 192 193 #define USB_MAX_ENDPOINTS 15 194 #define USB_MAX_INTERFACES 16 195 196 struct USBEndpoint { 197 uint8_t nr; 198 uint8_t pid; 199 uint8_t type; 200 uint8_t ifnum; 201 int max_packet_size; 202 int max_streams; 203 bool pipeline; 204 bool halted; 205 USBDevice *dev; 206 QTAILQ_HEAD(, USBPacket) queue; 207 }; 208 209 enum USBDeviceFlags { 210 USB_DEV_FLAG_FULL_PATH, 211 USB_DEV_FLAG_IS_HOST, 212 USB_DEV_FLAG_MSOS_DESC_ENABLE, 213 USB_DEV_FLAG_MSOS_DESC_IN_USE, 214 }; 215 216 /* definition of a USB device */ 217 struct USBDevice { 218 DeviceState qdev; 219 USBPort *port; 220 char *port_path; 221 char *serial; 222 void *opaque; 223 uint32_t flags; 224 225 /* Actual connected speed */ 226 int speed; 227 /* Supported speeds, not in info because it may be variable (hostdevs) */ 228 int speedmask; 229 uint8_t addr; 230 char product_desc[32]; 231 int auto_attach; 232 int attached; 233 234 int32_t state; 235 uint8_t setup_buf[8]; 236 uint8_t data_buf[4096]; 237 int32_t remote_wakeup; 238 int32_t setup_state; 239 int32_t setup_len; 240 int32_t setup_index; 241 242 USBEndpoint ep_ctl; 243 USBEndpoint ep_in[USB_MAX_ENDPOINTS]; 244 USBEndpoint ep_out[USB_MAX_ENDPOINTS]; 245 246 QLIST_HEAD(, USBDescString) strings; 247 const USBDesc *usb_desc; /* Overrides class usb_desc if not NULL */ 248 const USBDescDevice *device; 249 250 int configuration; 251 int ninterfaces; 252 int altsetting[USB_MAX_INTERFACES]; 253 const USBDescConfig *config; 254 const USBDescIface *ifaces[USB_MAX_INTERFACES]; 255 }; 256 257 #define TYPE_USB_DEVICE "usb-device" 258 #define USB_DEVICE(obj) \ 259 OBJECT_CHECK(USBDevice, (obj), TYPE_USB_DEVICE) 260 #define USB_DEVICE_CLASS(klass) \ 261 OBJECT_CLASS_CHECK(USBDeviceClass, (klass), TYPE_USB_DEVICE) 262 #define USB_DEVICE_GET_CLASS(obj) \ 263 OBJECT_GET_CLASS(USBDeviceClass, (obj), TYPE_USB_DEVICE) 264 265 typedef struct USBDeviceClass { 266 DeviceClass parent_class; 267 268 int (*init)(USBDevice *dev); 269 270 /* 271 * Walk (enabled) downstream ports, check for a matching device. 272 * Only hubs implement this. 273 */ 274 USBDevice *(*find_device)(USBDevice *dev, uint8_t addr); 275 276 /* 277 * Called when a packet is canceled. 278 */ 279 void (*cancel_packet)(USBDevice *dev, USBPacket *p); 280 281 /* 282 * Called when device is destroyed. 283 */ 284 void (*handle_destroy)(USBDevice *dev); 285 286 /* 287 * Attach the device 288 */ 289 void (*handle_attach)(USBDevice *dev); 290 291 /* 292 * Reset the device 293 */ 294 void (*handle_reset)(USBDevice *dev); 295 296 /* 297 * Process control request. 298 * Called from handle_packet(). 299 * 300 * Status gets stored in p->status, and if p->status == USB_RET_SUCCESS 301 * then the number of bytes transferred is stored in p->actual_length 302 */ 303 void (*handle_control)(USBDevice *dev, USBPacket *p, int request, int value, 304 int index, int length, uint8_t *data); 305 306 /* 307 * Process data transfers (both BULK and ISOC). 308 * Called from handle_packet(). 309 * 310 * Status gets stored in p->status, and if p->status == USB_RET_SUCCESS 311 * then the number of bytes transferred is stored in p->actual_length 312 */ 313 void (*handle_data)(USBDevice *dev, USBPacket *p); 314 315 void (*set_interface)(USBDevice *dev, int interface, 316 int alt_old, int alt_new); 317 318 /* 319 * Called when the hcd is done queuing packets for an endpoint, only 320 * necessary for devices which can return USB_RET_ADD_TO_QUEUE. 321 */ 322 void (*flush_ep_queue)(USBDevice *dev, USBEndpoint *ep); 323 324 /* 325 * Called by the hcd to let the device know the queue for an endpoint 326 * has been unlinked / stopped. Optional may be NULL. 327 */ 328 void (*ep_stopped)(USBDevice *dev, USBEndpoint *ep); 329 330 /* 331 * Called by the hcd to alloc / free streams on a bulk endpoint. 332 * Optional may be NULL. 333 */ 334 int (*alloc_streams)(USBDevice *dev, USBEndpoint **eps, int nr_eps, 335 int streams); 336 void (*free_streams)(USBDevice *dev, USBEndpoint **eps, int nr_eps); 337 338 const char *product_desc; 339 const USBDesc *usb_desc; 340 } USBDeviceClass; 341 342 typedef struct USBPortOps { 343 void (*attach)(USBPort *port); 344 void (*detach)(USBPort *port); 345 /* 346 * This gets called when a device downstream from the device attached to 347 * the port (iow attached through a hub) gets detached. 348 */ 349 void (*child_detach)(USBPort *port, USBDevice *child); 350 void (*wakeup)(USBPort *port); 351 /* 352 * Note that port->dev will be different then the device from which 353 * the packet originated when a hub is involved. 354 */ 355 void (*complete)(USBPort *port, USBPacket *p); 356 } USBPortOps; 357 358 /* USB port on which a device can be connected */ 359 struct USBPort { 360 USBDevice *dev; 361 int speedmask; 362 int hubcount; 363 char path[16]; 364 USBPortOps *ops; 365 void *opaque; 366 int index; /* internal port index, may be used with the opaque */ 367 QTAILQ_ENTRY(USBPort) next; 368 }; 369 370 typedef void USBCallback(USBPacket * packet, void *opaque); 371 372 typedef enum USBPacketState { 373 USB_PACKET_UNDEFINED = 0, 374 USB_PACKET_SETUP, 375 USB_PACKET_QUEUED, 376 USB_PACKET_ASYNC, 377 USB_PACKET_COMPLETE, 378 USB_PACKET_CANCELED, 379 } USBPacketState; 380 381 /* Structure used to hold information about an active USB packet. */ 382 struct USBPacket { 383 /* Data fields for use by the driver. */ 384 int pid; 385 uint64_t id; 386 USBEndpoint *ep; 387 unsigned int stream; 388 QEMUIOVector iov; 389 uint64_t parameter; /* control transfers */ 390 bool short_not_ok; 391 bool int_req; 392 int status; /* USB_RET_* status code */ 393 int actual_length; /* Number of bytes actually transferred */ 394 /* Internal use by the USB layer. */ 395 USBPacketState state; 396 USBCombinedPacket *combined; 397 QTAILQ_ENTRY(USBPacket) queue; 398 QTAILQ_ENTRY(USBPacket) combined_entry; 399 }; 400 401 struct USBCombinedPacket { 402 USBPacket *first; 403 QTAILQ_HEAD(packets_head, USBPacket) packets; 404 QEMUIOVector iov; 405 }; 406 407 void usb_packet_init(USBPacket *p); 408 void usb_packet_set_state(USBPacket *p, USBPacketState state); 409 void usb_packet_check_state(USBPacket *p, USBPacketState expected); 410 void usb_packet_setup(USBPacket *p, int pid, 411 USBEndpoint *ep, unsigned int stream, 412 uint64_t id, bool short_not_ok, bool int_req); 413 void usb_packet_addbuf(USBPacket *p, void *ptr, size_t len); 414 int usb_packet_map(USBPacket *p, QEMUSGList *sgl); 415 void usb_packet_unmap(USBPacket *p, QEMUSGList *sgl); 416 void usb_packet_copy(USBPacket *p, void *ptr, size_t bytes); 417 void usb_packet_skip(USBPacket *p, size_t bytes); 418 size_t usb_packet_size(USBPacket *p); 419 void usb_packet_cleanup(USBPacket *p); 420 421 static inline bool usb_packet_is_inflight(USBPacket *p) 422 { 423 return (p->state == USB_PACKET_QUEUED || 424 p->state == USB_PACKET_ASYNC); 425 } 426 427 USBDevice *usb_find_device(USBPort *port, uint8_t addr); 428 429 void usb_handle_packet(USBDevice *dev, USBPacket *p); 430 void usb_packet_complete(USBDevice *dev, USBPacket *p); 431 void usb_packet_complete_one(USBDevice *dev, USBPacket *p); 432 void usb_cancel_packet(USBPacket * p); 433 434 void usb_ep_init(USBDevice *dev); 435 void usb_ep_reset(USBDevice *dev); 436 void usb_ep_dump(USBDevice *dev); 437 struct USBEndpoint *usb_ep_get(USBDevice *dev, int pid, int ep); 438 uint8_t usb_ep_get_type(USBDevice *dev, int pid, int ep); 439 uint8_t usb_ep_get_ifnum(USBDevice *dev, int pid, int ep); 440 void usb_ep_set_type(USBDevice *dev, int pid, int ep, uint8_t type); 441 void usb_ep_set_ifnum(USBDevice *dev, int pid, int ep, uint8_t ifnum); 442 void usb_ep_set_max_packet_size(USBDevice *dev, int pid, int ep, 443 uint16_t raw); 444 int usb_ep_get_max_packet_size(USBDevice *dev, int pid, int ep); 445 void usb_ep_set_max_streams(USBDevice *dev, int pid, int ep, uint8_t raw); 446 int usb_ep_get_max_streams(USBDevice *dev, int pid, int ep); 447 void usb_ep_set_pipeline(USBDevice *dev, int pid, int ep, bool enabled); 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_attach(USBPort *port); 457 void usb_detach(USBPort *port); 458 void usb_port_reset(USBPort *port); 459 void usb_device_reset(USBDevice *dev); 460 void usb_wakeup(USBEndpoint *ep, unsigned int stream); 461 void usb_generic_async_ctrl_complete(USBDevice *s, USBPacket *p); 462 int set_usb_string(uint8_t *buf, const char *str); 463 464 /* usb-linux.c */ 465 USBDevice *usb_host_device_open(USBBus *bus, const char *devname); 466 void usb_host_info(Monitor *mon, const QDict *qdict); 467 468 /* usb ports of the VM */ 469 470 #define VM_USB_HUB_SIZE 8 471 472 /* usb-musb.c */ 473 enum musb_irq_source_e { 474 musb_irq_suspend = 0, 475 musb_irq_resume, 476 musb_irq_rst_babble, 477 musb_irq_sof, 478 musb_irq_connect, 479 musb_irq_disconnect, 480 musb_irq_vbus_request, 481 musb_irq_vbus_error, 482 musb_irq_rx, 483 musb_irq_tx, 484 musb_set_vbus, 485 musb_set_session, 486 /* Add new interrupts here */ 487 musb_irq_max, /* total number of interrupts defined */ 488 }; 489 490 typedef struct MUSBState MUSBState; 491 MUSBState *musb_init(DeviceState *parent_device, int gpio_base); 492 void musb_reset(MUSBState *s); 493 uint32_t musb_core_intr_get(MUSBState *s); 494 void musb_core_intr_clear(MUSBState *s, uint32_t mask); 495 void musb_set_size(MUSBState *s, int epnum, int size, int is_tx); 496 497 /* usb-bus.c */ 498 499 #define TYPE_USB_BUS "usb-bus" 500 #define USB_BUS(obj) OBJECT_CHECK(USBBus, (obj), TYPE_USB_BUS) 501 502 struct USBBus { 503 BusState qbus; 504 USBBusOps *ops; 505 int busnr; 506 int nfree; 507 int nused; 508 QTAILQ_HEAD(, USBPort) free; 509 QTAILQ_HEAD(, USBPort) used; 510 QTAILQ_ENTRY(USBBus) next; 511 }; 512 513 struct USBBusOps { 514 int (*register_companion)(USBBus *bus, USBPort *ports[], 515 uint32_t portcount, uint32_t firstport); 516 void (*wakeup_endpoint)(USBBus *bus, USBEndpoint *ep, unsigned int stream); 517 }; 518 519 void usb_bus_new(USBBus *bus, size_t bus_size, 520 USBBusOps *ops, DeviceState *host); 521 USBBus *usb_bus_find(int busnr); 522 void usb_legacy_register(const char *typename, const char *usbdevice_name, 523 USBDevice *(*usbdevice_init)(USBBus *bus, 524 const char *params)); 525 USBDevice *usb_create(USBBus *bus, const char *name); 526 USBDevice *usb_create_simple(USBBus *bus, const char *name); 527 USBDevice *usbdevice_create(const char *cmdline); 528 void usb_register_port(USBBus *bus, USBPort *port, void *opaque, int index, 529 USBPortOps *ops, int speedmask); 530 int usb_register_companion(const char *masterbus, USBPort *ports[], 531 uint32_t portcount, uint32_t firstport, 532 void *opaque, USBPortOps *ops, int speedmask); 533 void usb_port_location(USBPort *downstream, USBPort *upstream, int portnr); 534 void usb_unregister_port(USBBus *bus, USBPort *port); 535 int usb_claim_port(USBDevice *dev); 536 void usb_release_port(USBDevice *dev); 537 int usb_device_attach(USBDevice *dev); 538 int usb_device_detach(USBDevice *dev); 539 int usb_device_delete_addr(int busnr, int addr); 540 541 static inline USBBus *usb_bus_from_device(USBDevice *d) 542 { 543 return DO_UPCAST(USBBus, qbus, d->qdev.parent_bus); 544 } 545 546 extern const VMStateDescription vmstate_usb_device; 547 548 #define VMSTATE_USB_DEVICE(_field, _state) { \ 549 .name = (stringify(_field)), \ 550 .size = sizeof(USBDevice), \ 551 .vmsd = &vmstate_usb_device, \ 552 .flags = VMS_STRUCT, \ 553 .offset = vmstate_offset_value(_state, _field, USBDevice), \ 554 } 555 556 USBDevice *usb_device_find_device(USBDevice *dev, uint8_t addr); 557 558 void usb_device_cancel_packet(USBDevice *dev, USBPacket *p); 559 560 void usb_device_handle_attach(USBDevice *dev); 561 562 void usb_device_handle_reset(USBDevice *dev); 563 564 void usb_device_handle_control(USBDevice *dev, USBPacket *p, int request, 565 int val, int index, int length, uint8_t *data); 566 567 void usb_device_handle_data(USBDevice *dev, USBPacket *p); 568 569 void usb_device_set_interface(USBDevice *dev, int interface, 570 int alt_old, int alt_new); 571 572 void usb_device_flush_ep_queue(USBDevice *dev, USBEndpoint *ep); 573 574 void usb_device_ep_stopped(USBDevice *dev, USBEndpoint *ep); 575 576 int usb_device_alloc_streams(USBDevice *dev, USBEndpoint **eps, int nr_eps, 577 int streams); 578 void usb_device_free_streams(USBDevice *dev, USBEndpoint **eps, int nr_eps); 579 580 const char *usb_device_get_product_desc(USBDevice *dev); 581 582 const USBDesc *usb_device_get_usb_desc(USBDevice *dev); 583 584 int ehci_create_ich9_with_companions(PCIBus *bus, int slot); 585 586 /* quirks.c */ 587 588 /* In bulk endpoints are streaming data sources (iow behave like isoc eps) */ 589 #define USB_QUIRK_BUFFER_BULK_IN 0x01 590 /* Bulk pkts in FTDI format, need special handling when combining packets */ 591 #define USB_QUIRK_IS_FTDI 0x02 592 593 int usb_get_quirks(uint16_t vendor_id, uint16_t product_id, 594 uint8_t interface_class, uint8_t interface_subclass, 595 uint8_t interface_protocol); 596 597 #endif 598