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 33 /* Constants related to the USB / PCI interaction */ 34 #define USB_SBRN 0x60 /* Serial Bus Release Number Register */ 35 #define USB_RELEASE_1 0x10 /* USB 1.0 */ 36 #define USB_RELEASE_2 0x20 /* USB 2.0 */ 37 #define USB_RELEASE_3 0x30 /* USB 3.0 */ 38 39 #define USB_TOKEN_SETUP 0x2d 40 #define USB_TOKEN_IN 0x69 /* device -> host */ 41 #define USB_TOKEN_OUT 0xe1 /* host -> device */ 42 43 #define USB_RET_SUCCESS (0) 44 #define USB_RET_NODEV (-1) 45 #define USB_RET_NAK (-2) 46 #define USB_RET_STALL (-3) 47 #define USB_RET_BABBLE (-4) 48 #define USB_RET_IOERROR (-5) 49 #define USB_RET_ASYNC (-6) 50 #define USB_RET_ADD_TO_QUEUE (-7) 51 #define USB_RET_REMOVE_FROM_QUEUE (-8) 52 53 #define USB_SPEED_LOW 0 54 #define USB_SPEED_FULL 1 55 #define USB_SPEED_HIGH 2 56 #define USB_SPEED_SUPER 3 57 58 #define USB_SPEED_MASK_LOW (1 << USB_SPEED_LOW) 59 #define USB_SPEED_MASK_FULL (1 << USB_SPEED_FULL) 60 #define USB_SPEED_MASK_HIGH (1 << USB_SPEED_HIGH) 61 #define USB_SPEED_MASK_SUPER (1 << USB_SPEED_SUPER) 62 63 #define USB_STATE_NOTATTACHED 0 64 #define USB_STATE_ATTACHED 1 65 //#define USB_STATE_POWERED 2 66 #define USB_STATE_DEFAULT 3 67 //#define USB_STATE_ADDRESS 4 68 //#define USB_STATE_CONFIGURED 5 69 #define USB_STATE_SUSPENDED 6 70 71 #define USB_CLASS_AUDIO 1 72 #define USB_CLASS_COMM 2 73 #define USB_CLASS_HID 3 74 #define USB_CLASS_PHYSICAL 5 75 #define USB_CLASS_STILL_IMAGE 6 76 #define USB_CLASS_PRINTER 7 77 #define USB_CLASS_MASS_STORAGE 8 78 #define USB_CLASS_HUB 9 79 #define USB_CLASS_CDC_DATA 0x0a 80 #define USB_CLASS_CSCID 0x0b 81 #define USB_CLASS_CONTENT_SEC 0x0d 82 #define USB_CLASS_APP_SPEC 0xfe 83 #define USB_CLASS_VENDOR_SPEC 0xff 84 85 #define USB_SUBCLASS_UNDEFINED 0 86 #define USB_SUBCLASS_AUDIO_CONTROL 1 87 #define USB_SUBCLASS_AUDIO_STREAMING 2 88 #define USB_SUBCLASS_AUDIO_MIDISTREAMING 3 89 90 #define USB_DIR_OUT 0 91 #define USB_DIR_IN 0x80 92 93 #define USB_TYPE_MASK (0x03 << 5) 94 #define USB_TYPE_STANDARD (0x00 << 5) 95 #define USB_TYPE_CLASS (0x01 << 5) 96 #define USB_TYPE_VENDOR (0x02 << 5) 97 #define USB_TYPE_RESERVED (0x03 << 5) 98 99 #define USB_RECIP_MASK 0x1f 100 #define USB_RECIP_DEVICE 0x00 101 #define USB_RECIP_INTERFACE 0x01 102 #define USB_RECIP_ENDPOINT 0x02 103 #define USB_RECIP_OTHER 0x03 104 105 #define DeviceRequest ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8) 106 #define DeviceOutRequest ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8) 107 #define VendorDeviceRequest ((USB_DIR_IN|USB_TYPE_VENDOR|USB_RECIP_DEVICE)<<8) 108 #define VendorDeviceOutRequest \ 109 ((USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_DEVICE)<<8) 110 111 #define InterfaceRequest \ 112 ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8) 113 #define InterfaceOutRequest \ 114 ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8) 115 #define ClassInterfaceRequest \ 116 ((USB_DIR_IN|USB_TYPE_CLASS|USB_RECIP_INTERFACE)<<8) 117 #define ClassInterfaceOutRequest \ 118 ((USB_DIR_OUT|USB_TYPE_CLASS|USB_RECIP_INTERFACE)<<8) 119 #define VendorInterfaceRequest \ 120 ((USB_DIR_IN|USB_TYPE_VENDOR|USB_RECIP_INTERFACE)<<8) 121 #define VendorInterfaceOutRequest \ 122 ((USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE)<<8) 123 124 #define EndpointRequest ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8) 125 #define EndpointOutRequest \ 126 ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8) 127 128 #define USB_REQ_GET_STATUS 0x00 129 #define USB_REQ_CLEAR_FEATURE 0x01 130 #define USB_REQ_SET_FEATURE 0x03 131 #define USB_REQ_SET_ADDRESS 0x05 132 #define USB_REQ_GET_DESCRIPTOR 0x06 133 #define USB_REQ_SET_DESCRIPTOR 0x07 134 #define USB_REQ_GET_CONFIGURATION 0x08 135 #define USB_REQ_SET_CONFIGURATION 0x09 136 #define USB_REQ_GET_INTERFACE 0x0A 137 #define USB_REQ_SET_INTERFACE 0x0B 138 #define USB_REQ_SYNCH_FRAME 0x0C 139 #define USB_REQ_SET_SEL 0x30 140 #define USB_REQ_SET_ISOCH_DELAY 0x31 141 142 #define USB_DEVICE_SELF_POWERED 0 143 #define USB_DEVICE_REMOTE_WAKEUP 1 144 145 #define USB_DT_DEVICE 0x01 146 #define USB_DT_CONFIG 0x02 147 #define USB_DT_STRING 0x03 148 #define USB_DT_INTERFACE 0x04 149 #define USB_DT_ENDPOINT 0x05 150 #define USB_DT_DEVICE_QUALIFIER 0x06 151 #define USB_DT_OTHER_SPEED_CONFIG 0x07 152 #define USB_DT_DEBUG 0x0A 153 #define USB_DT_INTERFACE_ASSOC 0x0B 154 #define USB_DT_BOS 0x0F 155 #define USB_DT_DEVICE_CAPABILITY 0x10 156 #define USB_DT_CS_INTERFACE 0x24 157 #define USB_DT_CS_ENDPOINT 0x25 158 #define USB_DT_ENDPOINT_COMPANION 0x30 159 160 #define USB_DEV_CAP_WIRELESS 0x01 161 #define USB_DEV_CAP_USB2_EXT 0x02 162 #define USB_DEV_CAP_SUPERSPEED 0x03 163 164 #define USB_CFG_ATT_ONE (1 << 7) /* should always be set */ 165 #define USB_CFG_ATT_SELFPOWER (1 << 6) 166 #define USB_CFG_ATT_WAKEUP (1 << 5) 167 #define USB_CFG_ATT_BATTERY (1 << 4) 168 169 #define USB_ENDPOINT_XFER_CONTROL 0 170 #define USB_ENDPOINT_XFER_ISOC 1 171 #define USB_ENDPOINT_XFER_BULK 2 172 #define USB_ENDPOINT_XFER_INT 3 173 #define USB_ENDPOINT_XFER_INVALID 255 174 175 #define USB_INTERFACE_INVALID 255 176 177 typedef struct USBBus USBBus; 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 #define USB_DEVICE(obj) \ 268 OBJECT_CHECK(USBDevice, (obj), TYPE_USB_DEVICE) 269 #define USB_DEVICE_CLASS(klass) \ 270 OBJECT_CLASS_CHECK(USBDeviceClass, (klass), TYPE_USB_DEVICE) 271 #define USB_DEVICE_GET_CLASS(obj) \ 272 OBJECT_GET_CLASS(USBDeviceClass, (obj), TYPE_USB_DEVICE) 273 274 typedef void (*USBDeviceRealize)(USBDevice *dev, Error **errp); 275 typedef void (*USBDeviceUnrealize)(USBDevice *dev); 276 277 typedef struct USBDeviceClass { 278 DeviceClass parent_class; 279 280 USBDeviceRealize realize; 281 USBDeviceUnrealize unrealize; 282 283 /* 284 * Walk (enabled) downstream ports, check for a matching device. 285 * Only hubs implement this. 286 */ 287 USBDevice *(*find_device)(USBDevice *dev, uint8_t addr); 288 289 /* 290 * Called when a packet is canceled. 291 */ 292 void (*cancel_packet)(USBDevice *dev, USBPacket *p); 293 294 /* 295 * Attach the device 296 */ 297 void (*handle_attach)(USBDevice *dev); 298 299 /* 300 * Reset the device 301 */ 302 void (*handle_reset)(USBDevice *dev); 303 304 /* 305 * Process control request. 306 * Called from handle_packet(). 307 * 308 * Status gets stored in p->status, and if p->status == USB_RET_SUCCESS 309 * then the number of bytes transferred is stored in p->actual_length 310 */ 311 void (*handle_control)(USBDevice *dev, USBPacket *p, int request, int value, 312 int index, int length, uint8_t *data); 313 314 /* 315 * Process data transfers (both BULK and ISOC). 316 * Called from handle_packet(). 317 * 318 * Status gets stored in p->status, and if p->status == USB_RET_SUCCESS 319 * then the number of bytes transferred is stored in p->actual_length 320 */ 321 void (*handle_data)(USBDevice *dev, USBPacket *p); 322 323 void (*set_interface)(USBDevice *dev, int interface, 324 int alt_old, int alt_new); 325 326 /* 327 * Called when the hcd is done queuing packets for an endpoint, only 328 * necessary for devices which can return USB_RET_ADD_TO_QUEUE. 329 */ 330 void (*flush_ep_queue)(USBDevice *dev, USBEndpoint *ep); 331 332 /* 333 * Called by the hcd to let the device know the queue for an endpoint 334 * has been unlinked / stopped. Optional may be NULL. 335 */ 336 void (*ep_stopped)(USBDevice *dev, USBEndpoint *ep); 337 338 /* 339 * Called by the hcd to alloc / free streams on a bulk endpoint. 340 * Optional may be NULL. 341 */ 342 int (*alloc_streams)(USBDevice *dev, USBEndpoint **eps, int nr_eps, 343 int streams); 344 void (*free_streams)(USBDevice *dev, USBEndpoint **eps, int nr_eps); 345 346 const char *product_desc; 347 const USBDesc *usb_desc; 348 bool attached_settable; 349 } USBDeviceClass; 350 351 typedef struct USBPortOps { 352 void (*attach)(USBPort *port); 353 void (*detach)(USBPort *port); 354 /* 355 * This gets called when a device downstream from the device attached to 356 * the port (iow attached through a hub) gets detached. 357 */ 358 void (*child_detach)(USBPort *port, USBDevice *child); 359 void (*wakeup)(USBPort *port); 360 /* 361 * Note that port->dev will be different then the device from which 362 * the packet originated when a hub is involved. 363 */ 364 void (*complete)(USBPort *port, USBPacket *p); 365 } USBPortOps; 366 367 /* USB port on which a device can be connected */ 368 struct USBPort { 369 USBDevice *dev; 370 int speedmask; 371 int hubcount; 372 char path[16]; 373 USBPortOps *ops; 374 void *opaque; 375 int index; /* internal port index, may be used with the opaque */ 376 QTAILQ_ENTRY(USBPort) next; 377 }; 378 379 typedef void USBCallback(USBPacket * packet, void *opaque); 380 381 typedef enum USBPacketState { 382 USB_PACKET_UNDEFINED = 0, 383 USB_PACKET_SETUP, 384 USB_PACKET_QUEUED, 385 USB_PACKET_ASYNC, 386 USB_PACKET_COMPLETE, 387 USB_PACKET_CANCELED, 388 } USBPacketState; 389 390 /* Structure used to hold information about an active USB packet. */ 391 struct USBPacket { 392 /* Data fields for use by the driver. */ 393 int pid; 394 uint64_t id; 395 USBEndpoint *ep; 396 unsigned int stream; 397 QEMUIOVector iov; 398 uint64_t parameter; /* control transfers */ 399 bool short_not_ok; 400 bool int_req; 401 int status; /* USB_RET_* status code */ 402 int actual_length; /* Number of bytes actually transferred */ 403 /* Internal use by the USB layer. */ 404 USBPacketState state; 405 USBCombinedPacket *combined; 406 QTAILQ_ENTRY(USBPacket) queue; 407 QTAILQ_ENTRY(USBPacket) combined_entry; 408 }; 409 410 struct USBCombinedPacket { 411 USBPacket *first; 412 QTAILQ_HEAD(, USBPacket) packets; 413 QEMUIOVector iov; 414 }; 415 416 void usb_packet_init(USBPacket *p); 417 void usb_packet_set_state(USBPacket *p, USBPacketState state); 418 void usb_packet_check_state(USBPacket *p, USBPacketState expected); 419 void usb_packet_setup(USBPacket *p, int pid, 420 USBEndpoint *ep, unsigned int stream, 421 uint64_t id, bool short_not_ok, bool int_req); 422 void usb_packet_addbuf(USBPacket *p, void *ptr, size_t len); 423 int usb_packet_map(USBPacket *p, QEMUSGList *sgl); 424 void usb_packet_unmap(USBPacket *p, QEMUSGList *sgl); 425 void usb_packet_copy(USBPacket *p, void *ptr, size_t bytes); 426 void usb_packet_skip(USBPacket *p, size_t bytes); 427 size_t usb_packet_size(USBPacket *p); 428 void usb_packet_cleanup(USBPacket *p); 429 430 static inline bool usb_packet_is_inflight(USBPacket *p) 431 { 432 return (p->state == USB_PACKET_QUEUED || 433 p->state == USB_PACKET_ASYNC); 434 } 435 436 USBDevice *usb_find_device(USBPort *port, uint8_t addr); 437 438 void usb_handle_packet(USBDevice *dev, USBPacket *p); 439 void usb_packet_complete(USBDevice *dev, USBPacket *p); 440 void usb_packet_complete_one(USBDevice *dev, USBPacket *p); 441 void usb_cancel_packet(USBPacket * p); 442 443 void usb_ep_init(USBDevice *dev); 444 void usb_ep_reset(USBDevice *dev); 445 void usb_ep_dump(USBDevice *dev); 446 struct USBEndpoint *usb_ep_get(USBDevice *dev, int pid, int ep); 447 uint8_t usb_ep_get_type(USBDevice *dev, int pid, int ep); 448 void usb_ep_set_type(USBDevice *dev, int pid, int ep, uint8_t type); 449 void usb_ep_set_ifnum(USBDevice *dev, int pid, int ep, uint8_t ifnum); 450 void usb_ep_set_max_packet_size(USBDevice *dev, int pid, int ep, 451 uint16_t raw); 452 void usb_ep_set_max_streams(USBDevice *dev, int pid, int ep, uint8_t raw); 453 void usb_ep_set_halted(USBDevice *dev, int pid, int ep, bool halted); 454 USBPacket *usb_ep_find_packet_by_id(USBDevice *dev, int pid, int ep, 455 uint64_t id); 456 457 void usb_ep_combine_input_packets(USBEndpoint *ep); 458 void usb_combined_input_packet_complete(USBDevice *dev, USBPacket *p); 459 void usb_combined_packet_cancel(USBDevice *dev, USBPacket *p); 460 461 void usb_pick_speed(USBPort *port); 462 void usb_attach(USBPort *port); 463 void usb_detach(USBPort *port); 464 void usb_port_reset(USBPort *port); 465 void usb_device_reset(USBDevice *dev); 466 void usb_wakeup(USBEndpoint *ep, unsigned int stream); 467 void usb_generic_async_ctrl_complete(USBDevice *s, USBPacket *p); 468 469 /* usb-linux.c */ 470 void hmp_info_usbhost(Monitor *mon, const QDict *qdict); 471 bool usb_host_dev_is_scsi_storage(USBDevice *usbdev); 472 473 /* usb ports of the VM */ 474 475 #define VM_USB_HUB_SIZE 8 476 477 /* hw/usb/hdc-musb.c */ 478 479 enum musb_irq_source_e { 480 musb_irq_suspend = 0, 481 musb_irq_resume, 482 musb_irq_rst_babble, 483 musb_irq_sof, 484 musb_irq_connect, 485 musb_irq_disconnect, 486 musb_irq_vbus_request, 487 musb_irq_vbus_error, 488 musb_irq_rx, 489 musb_irq_tx, 490 musb_set_vbus, 491 musb_set_session, 492 /* Add new interrupts here */ 493 musb_irq_max, /* total number of interrupts defined */ 494 }; 495 496 typedef struct MUSBState MUSBState; 497 498 extern CPUReadMemoryFunc * const musb_read[]; 499 extern CPUWriteMemoryFunc * const musb_write[]; 500 501 MUSBState *musb_init(DeviceState *parent_device, int gpio_base); 502 void musb_reset(MUSBState *s); 503 uint32_t musb_core_intr_get(MUSBState *s); 504 void musb_core_intr_clear(MUSBState *s, uint32_t mask); 505 void musb_set_size(MUSBState *s, int epnum, int size, int is_tx); 506 507 /* usb-bus.c */ 508 509 #define TYPE_USB_BUS "usb-bus" 510 #define USB_BUS(obj) OBJECT_CHECK(USBBus, (obj), TYPE_USB_BUS) 511 512 struct USBBus { 513 BusState qbus; 514 USBBusOps *ops; 515 int busnr; 516 int nfree; 517 int nused; 518 QTAILQ_HEAD(, USBPort) free; 519 QTAILQ_HEAD(, USBPort) used; 520 QTAILQ_ENTRY(USBBus) next; 521 }; 522 523 struct USBBusOps { 524 void (*register_companion)(USBBus *bus, USBPort *ports[], 525 uint32_t portcount, uint32_t firstport, 526 Error **errp); 527 void (*wakeup_endpoint)(USBBus *bus, USBEndpoint *ep, unsigned int stream); 528 }; 529 530 void usb_bus_new(USBBus *bus, size_t bus_size, 531 USBBusOps *ops, DeviceState *host); 532 void usb_bus_release(USBBus *bus); 533 USBBus *usb_bus_find(int busnr); 534 void usb_legacy_register(const char *typename, const char *usbdevice_name, 535 USBDevice *(*usbdevice_init)(USBBus *bus, 536 const char *params)); 537 USBDevice *usb_create(USBBus *bus, const char *name); 538 USBDevice *usb_create_simple(USBBus *bus, const char *name); 539 USBDevice *usbdevice_create(const char *cmdline); 540 void usb_register_port(USBBus *bus, USBPort *port, void *opaque, int index, 541 USBPortOps *ops, int speedmask); 542 void usb_register_companion(const char *masterbus, USBPort *ports[], 543 uint32_t portcount, uint32_t firstport, 544 void *opaque, USBPortOps *ops, int speedmask, 545 Error **errp); 546 void usb_port_location(USBPort *downstream, USBPort *upstream, int portnr); 547 void usb_unregister_port(USBBus *bus, USBPort *port); 548 void usb_claim_port(USBDevice *dev, Error **errp); 549 void usb_release_port(USBDevice *dev); 550 void usb_device_attach(USBDevice *dev, Error **errp); 551 int usb_device_detach(USBDevice *dev); 552 void usb_check_attach(USBDevice *dev, Error **errp); 553 554 static inline USBBus *usb_bus_from_device(USBDevice *d) 555 { 556 return DO_UPCAST(USBBus, qbus, d->qdev.parent_bus); 557 } 558 559 extern const VMStateDescription vmstate_usb_device; 560 561 #define VMSTATE_USB_DEVICE(_field, _state) { \ 562 .name = (stringify(_field)), \ 563 .size = sizeof(USBDevice), \ 564 .vmsd = &vmstate_usb_device, \ 565 .flags = VMS_STRUCT, \ 566 .offset = vmstate_offset_value(_state, _field, USBDevice), \ 567 } 568 569 USBDevice *usb_device_find_device(USBDevice *dev, uint8_t addr); 570 571 void usb_device_cancel_packet(USBDevice *dev, USBPacket *p); 572 573 void usb_device_handle_attach(USBDevice *dev); 574 575 void usb_device_handle_reset(USBDevice *dev); 576 577 void usb_device_handle_control(USBDevice *dev, USBPacket *p, int request, 578 int val, int index, int length, uint8_t *data); 579 580 void usb_device_handle_data(USBDevice *dev, USBPacket *p); 581 582 void usb_device_set_interface(USBDevice *dev, int interface, 583 int alt_old, int alt_new); 584 585 void usb_device_flush_ep_queue(USBDevice *dev, USBEndpoint *ep); 586 587 void usb_device_ep_stopped(USBDevice *dev, USBEndpoint *ep); 588 589 int usb_device_alloc_streams(USBDevice *dev, USBEndpoint **eps, int nr_eps, 590 int streams); 591 void usb_device_free_streams(USBDevice *dev, USBEndpoint **eps, int nr_eps); 592 593 const char *usb_device_get_product_desc(USBDevice *dev); 594 595 const USBDesc *usb_device_get_usb_desc(USBDevice *dev); 596 597 /* quirks.c */ 598 599 /* In bulk endpoints are streaming data sources (iow behave like isoc eps) */ 600 #define USB_QUIRK_BUFFER_BULK_IN 0x01 601 /* Bulk pkts in FTDI format, need special handling when combining packets */ 602 #define USB_QUIRK_IS_FTDI 0x02 603 604 int usb_get_quirks(uint16_t vendor_id, uint16_t product_id, 605 uint8_t interface_class, uint8_t interface_subclass, 606 uint8_t interface_protocol); 607 608 #endif 609