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/iov.h" 30 #include "qemu/queue.h" 31 32 /* Constants related to the USB / PCI interaction */ 33 #define USB_SBRN 0x60 /* Serial Bus Release Number Register */ 34 #define USB_RELEASE_1 0x10 /* USB 1.0 */ 35 #define USB_RELEASE_2 0x20 /* USB 2.0 */ 36 #define USB_RELEASE_3 0x30 /* USB 3.0 */ 37 38 #define USB_TOKEN_SETUP 0x2d 39 #define USB_TOKEN_IN 0x69 /* device -> host */ 40 #define USB_TOKEN_OUT 0xe1 /* host -> device */ 41 42 #define USB_RET_SUCCESS (0) 43 #define USB_RET_NODEV (-1) 44 #define USB_RET_NAK (-2) 45 #define USB_RET_STALL (-3) 46 #define USB_RET_BABBLE (-4) 47 #define USB_RET_IOERROR (-5) 48 #define USB_RET_ASYNC (-6) 49 #define USB_RET_ADD_TO_QUEUE (-7) 50 #define USB_RET_REMOVE_FROM_QUEUE (-8) 51 52 #define USB_SPEED_LOW 0 53 #define USB_SPEED_FULL 1 54 #define USB_SPEED_HIGH 2 55 #define USB_SPEED_SUPER 3 56 57 #define USB_SPEED_MASK_LOW (1 << USB_SPEED_LOW) 58 #define USB_SPEED_MASK_FULL (1 << USB_SPEED_FULL) 59 #define USB_SPEED_MASK_HIGH (1 << USB_SPEED_HIGH) 60 #define USB_SPEED_MASK_SUPER (1 << USB_SPEED_SUPER) 61 62 #define USB_STATE_NOTATTACHED 0 63 #define USB_STATE_ATTACHED 1 64 //#define USB_STATE_POWERED 2 65 #define USB_STATE_DEFAULT 3 66 //#define USB_STATE_ADDRESS 4 67 //#define USB_STATE_CONFIGURED 5 68 #define USB_STATE_SUSPENDED 6 69 70 #define USB_CLASS_AUDIO 1 71 #define USB_CLASS_COMM 2 72 #define USB_CLASS_HID 3 73 #define USB_CLASS_PHYSICAL 5 74 #define USB_CLASS_STILL_IMAGE 6 75 #define USB_CLASS_PRINTER 7 76 #define USB_CLASS_MASS_STORAGE 8 77 #define USB_CLASS_HUB 9 78 #define USB_CLASS_CDC_DATA 0x0a 79 #define USB_CLASS_CSCID 0x0b 80 #define USB_CLASS_CONTENT_SEC 0x0d 81 #define USB_CLASS_APP_SPEC 0xfe 82 #define USB_CLASS_VENDOR_SPEC 0xff 83 84 #define USB_SUBCLASS_UNDEFINED 0 85 #define USB_SUBCLASS_AUDIO_CONTROL 1 86 #define USB_SUBCLASS_AUDIO_STREAMING 2 87 #define USB_SUBCLASS_AUDIO_MIDISTREAMING 3 88 89 #define USB_DIR_OUT 0 90 #define USB_DIR_IN 0x80 91 92 #define USB_TYPE_MASK (0x03 << 5) 93 #define USB_TYPE_STANDARD (0x00 << 5) 94 #define USB_TYPE_CLASS (0x01 << 5) 95 #define USB_TYPE_VENDOR (0x02 << 5) 96 #define USB_TYPE_RESERVED (0x03 << 5) 97 98 #define USB_RECIP_MASK 0x1f 99 #define USB_RECIP_DEVICE 0x00 100 #define USB_RECIP_INTERFACE 0x01 101 #define USB_RECIP_ENDPOINT 0x02 102 #define USB_RECIP_OTHER 0x03 103 104 #define DeviceRequest ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8) 105 #define DeviceOutRequest ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8) 106 #define VendorDeviceRequest ((USB_DIR_IN|USB_TYPE_VENDOR|USB_RECIP_DEVICE)<<8) 107 #define VendorDeviceOutRequest \ 108 ((USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_DEVICE)<<8) 109 110 #define InterfaceRequest \ 111 ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8) 112 #define InterfaceOutRequest \ 113 ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8) 114 #define ClassInterfaceRequest \ 115 ((USB_DIR_IN|USB_TYPE_CLASS|USB_RECIP_INTERFACE)<<8) 116 #define ClassInterfaceOutRequest \ 117 ((USB_DIR_OUT|USB_TYPE_CLASS|USB_RECIP_INTERFACE)<<8) 118 #define VendorInterfaceRequest \ 119 ((USB_DIR_IN|USB_TYPE_VENDOR|USB_RECIP_INTERFACE)<<8) 120 #define VendorInterfaceOutRequest \ 121 ((USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE)<<8) 122 123 #define EndpointRequest ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8) 124 #define EndpointOutRequest \ 125 ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8) 126 127 #define USB_REQ_GET_STATUS 0x00 128 #define USB_REQ_CLEAR_FEATURE 0x01 129 #define USB_REQ_SET_FEATURE 0x03 130 #define USB_REQ_SET_ADDRESS 0x05 131 #define USB_REQ_GET_DESCRIPTOR 0x06 132 #define USB_REQ_SET_DESCRIPTOR 0x07 133 #define USB_REQ_GET_CONFIGURATION 0x08 134 #define USB_REQ_SET_CONFIGURATION 0x09 135 #define USB_REQ_GET_INTERFACE 0x0A 136 #define USB_REQ_SET_INTERFACE 0x0B 137 #define USB_REQ_SYNCH_FRAME 0x0C 138 #define USB_REQ_SET_SEL 0x30 139 #define USB_REQ_SET_ISOCH_DELAY 0x31 140 141 #define USB_DEVICE_SELF_POWERED 0 142 #define USB_DEVICE_REMOTE_WAKEUP 1 143 144 #define USB_DT_DEVICE 0x01 145 #define USB_DT_CONFIG 0x02 146 #define USB_DT_STRING 0x03 147 #define USB_DT_INTERFACE 0x04 148 #define USB_DT_ENDPOINT 0x05 149 #define USB_DT_DEVICE_QUALIFIER 0x06 150 #define USB_DT_OTHER_SPEED_CONFIG 0x07 151 #define USB_DT_DEBUG 0x0A 152 #define USB_DT_INTERFACE_ASSOC 0x0B 153 #define USB_DT_BOS 0x0F 154 #define USB_DT_DEVICE_CAPABILITY 0x10 155 #define USB_DT_CS_INTERFACE 0x24 156 #define USB_DT_CS_ENDPOINT 0x25 157 #define USB_DT_ENDPOINT_COMPANION 0x30 158 159 #define USB_DEV_CAP_WIRELESS 0x01 160 #define USB_DEV_CAP_USB2_EXT 0x02 161 #define USB_DEV_CAP_SUPERSPEED 0x03 162 163 #define USB_CFG_ATT_ONE (1 << 7) /* should always be set */ 164 #define USB_CFG_ATT_SELFPOWER (1 << 6) 165 #define USB_CFG_ATT_WAKEUP (1 << 5) 166 #define USB_CFG_ATT_BATTERY (1 << 4) 167 168 #define USB_ENDPOINT_XFER_CONTROL 0 169 #define USB_ENDPOINT_XFER_ISOC 1 170 #define USB_ENDPOINT_XFER_BULK 2 171 #define USB_ENDPOINT_XFER_INT 3 172 #define USB_ENDPOINT_XFER_INVALID 255 173 174 #define USB_INTERFACE_INVALID 255 175 176 typedef struct USBBus USBBus; 177 typedef struct USBBusOps USBBusOps; 178 typedef struct USBPort USBPort; 179 typedef struct USBDevice USBDevice; 180 typedef struct USBPacket USBPacket; 181 typedef struct USBCombinedPacket USBCombinedPacket; 182 typedef struct USBEndpoint USBEndpoint; 183 184 typedef struct USBDesc USBDesc; 185 typedef struct USBDescID USBDescID; 186 typedef struct USBDescDevice USBDescDevice; 187 typedef struct USBDescConfig USBDescConfig; 188 typedef struct USBDescIfaceAssoc USBDescIfaceAssoc; 189 typedef struct USBDescIface USBDescIface; 190 typedef struct USBDescEndpoint USBDescEndpoint; 191 typedef struct USBDescOther USBDescOther; 192 typedef struct USBDescString USBDescString; 193 typedef struct USBDescMSOS USBDescMSOS; 194 195 struct USBDescString { 196 uint8_t index; 197 char *str; 198 QLIST_ENTRY(USBDescString) next; 199 }; 200 201 #define USB_MAX_ENDPOINTS 15 202 #define USB_MAX_INTERFACES 16 203 204 struct USBEndpoint { 205 uint8_t nr; 206 uint8_t pid; 207 uint8_t type; 208 uint8_t ifnum; 209 int max_packet_size; 210 int max_streams; 211 bool pipeline; 212 bool halted; 213 USBDevice *dev; 214 QTAILQ_HEAD(, USBPacket) queue; 215 }; 216 217 enum USBDeviceFlags { 218 USB_DEV_FLAG_FULL_PATH, 219 USB_DEV_FLAG_IS_HOST, 220 USB_DEV_FLAG_MSOS_DESC_ENABLE, 221 USB_DEV_FLAG_MSOS_DESC_IN_USE, 222 }; 223 224 /* definition of a USB device */ 225 struct USBDevice { 226 DeviceState qdev; 227 USBPort *port; 228 char *port_path; 229 char *serial; 230 void *opaque; 231 uint32_t flags; 232 233 /* Actual connected speed */ 234 int speed; 235 /* Supported speeds, not in info because it may be variable (hostdevs) */ 236 int speedmask; 237 uint8_t addr; 238 char product_desc[32]; 239 int auto_attach; 240 bool attached; 241 242 int32_t state; 243 uint8_t setup_buf[8]; 244 uint8_t data_buf[4096]; 245 int32_t remote_wakeup; 246 int32_t setup_state; 247 int32_t setup_len; 248 int32_t setup_index; 249 250 USBEndpoint ep_ctl; 251 USBEndpoint ep_in[USB_MAX_ENDPOINTS]; 252 USBEndpoint ep_out[USB_MAX_ENDPOINTS]; 253 254 QLIST_HEAD(, USBDescString) strings; 255 const USBDesc *usb_desc; /* Overrides class usb_desc if not NULL */ 256 const USBDescDevice *device; 257 258 int configuration; 259 int ninterfaces; 260 int altsetting[USB_MAX_INTERFACES]; 261 const USBDescConfig *config; 262 const USBDescIface *ifaces[USB_MAX_INTERFACES]; 263 }; 264 265 #define TYPE_USB_DEVICE "usb-device" 266 #define USB_DEVICE(obj) \ 267 OBJECT_CHECK(USBDevice, (obj), TYPE_USB_DEVICE) 268 #define USB_DEVICE_CLASS(klass) \ 269 OBJECT_CLASS_CHECK(USBDeviceClass, (klass), TYPE_USB_DEVICE) 270 #define USB_DEVICE_GET_CLASS(obj) \ 271 OBJECT_GET_CLASS(USBDeviceClass, (obj), TYPE_USB_DEVICE) 272 273 typedef void (*USBDeviceRealize)(USBDevice *dev, Error **errp); 274 typedef void (*USBDeviceUnrealize)(USBDevice *dev, Error **errp); 275 276 typedef struct USBDeviceClass { 277 DeviceClass parent_class; 278 279 USBDeviceRealize realize; 280 USBDeviceUnrealize unrealize; 281 282 /* 283 * Walk (enabled) downstream ports, check for a matching device. 284 * Only hubs implement this. 285 */ 286 USBDevice *(*find_device)(USBDevice *dev, uint8_t addr); 287 288 /* 289 * Called when a packet is canceled. 290 */ 291 void (*cancel_packet)(USBDevice *dev, USBPacket *p); 292 293 /* 294 * Attach the device 295 */ 296 void (*handle_attach)(USBDevice *dev); 297 298 /* 299 * Reset the device 300 */ 301 void (*handle_reset)(USBDevice *dev); 302 303 /* 304 * Process control request. 305 * Called from handle_packet(). 306 * 307 * Status gets stored in p->status, and if p->status == USB_RET_SUCCESS 308 * then the number of bytes transferred is stored in p->actual_length 309 */ 310 void (*handle_control)(USBDevice *dev, USBPacket *p, int request, int value, 311 int index, int length, uint8_t *data); 312 313 /* 314 * Process data transfers (both BULK and ISOC). 315 * Called from handle_packet(). 316 * 317 * Status gets stored in p->status, and if p->status == USB_RET_SUCCESS 318 * then the number of bytes transferred is stored in p->actual_length 319 */ 320 void (*handle_data)(USBDevice *dev, USBPacket *p); 321 322 void (*set_interface)(USBDevice *dev, int interface, 323 int alt_old, int alt_new); 324 325 /* 326 * Called when the hcd is done queuing packets for an endpoint, only 327 * necessary for devices which can return USB_RET_ADD_TO_QUEUE. 328 */ 329 void (*flush_ep_queue)(USBDevice *dev, USBEndpoint *ep); 330 331 /* 332 * Called by the hcd to let the device know the queue for an endpoint 333 * has been unlinked / stopped. Optional may be NULL. 334 */ 335 void (*ep_stopped)(USBDevice *dev, USBEndpoint *ep); 336 337 /* 338 * Called by the hcd to alloc / free streams on a bulk endpoint. 339 * Optional may be NULL. 340 */ 341 int (*alloc_streams)(USBDevice *dev, USBEndpoint **eps, int nr_eps, 342 int streams); 343 void (*free_streams)(USBDevice *dev, USBEndpoint **eps, int nr_eps); 344 345 const char *product_desc; 346 const USBDesc *usb_desc; 347 bool attached_settable; 348 } USBDeviceClass; 349 350 typedef struct USBPortOps { 351 void (*attach)(USBPort *port); 352 void (*detach)(USBPort *port); 353 /* 354 * This gets called when a device downstream from the device attached to 355 * the port (iow attached through a hub) gets detached. 356 */ 357 void (*child_detach)(USBPort *port, USBDevice *child); 358 void (*wakeup)(USBPort *port); 359 /* 360 * Note that port->dev will be different then the device from which 361 * the packet originated when a hub is involved. 362 */ 363 void (*complete)(USBPort *port, USBPacket *p); 364 } USBPortOps; 365 366 /* USB port on which a device can be connected */ 367 struct USBPort { 368 USBDevice *dev; 369 int speedmask; 370 int hubcount; 371 char path[16]; 372 USBPortOps *ops; 373 void *opaque; 374 int index; /* internal port index, may be used with the opaque */ 375 QTAILQ_ENTRY(USBPort) next; 376 }; 377 378 typedef void USBCallback(USBPacket * packet, void *opaque); 379 380 typedef enum USBPacketState { 381 USB_PACKET_UNDEFINED = 0, 382 USB_PACKET_SETUP, 383 USB_PACKET_QUEUED, 384 USB_PACKET_ASYNC, 385 USB_PACKET_COMPLETE, 386 USB_PACKET_CANCELED, 387 } USBPacketState; 388 389 /* Structure used to hold information about an active USB packet. */ 390 struct USBPacket { 391 /* Data fields for use by the driver. */ 392 int pid; 393 uint64_t id; 394 USBEndpoint *ep; 395 unsigned int stream; 396 QEMUIOVector iov; 397 uint64_t parameter; /* control transfers */ 398 bool short_not_ok; 399 bool int_req; 400 int status; /* USB_RET_* status code */ 401 int actual_length; /* Number of bytes actually transferred */ 402 /* Internal use by the USB layer. */ 403 USBPacketState state; 404 USBCombinedPacket *combined; 405 QTAILQ_ENTRY(USBPacket) queue; 406 QTAILQ_ENTRY(USBPacket) combined_entry; 407 }; 408 409 struct USBCombinedPacket { 410 USBPacket *first; 411 QTAILQ_HEAD(packets_head, USBPacket) packets; 412 QEMUIOVector iov; 413 }; 414 415 void usb_packet_init(USBPacket *p); 416 void usb_packet_set_state(USBPacket *p, USBPacketState state); 417 void usb_packet_check_state(USBPacket *p, USBPacketState expected); 418 void usb_packet_setup(USBPacket *p, int pid, 419 USBEndpoint *ep, unsigned int stream, 420 uint64_t id, bool short_not_ok, bool int_req); 421 void usb_packet_addbuf(USBPacket *p, void *ptr, size_t len); 422 int usb_packet_map(USBPacket *p, QEMUSGList *sgl); 423 void usb_packet_unmap(USBPacket *p, QEMUSGList *sgl); 424 void usb_packet_copy(USBPacket *p, void *ptr, size_t bytes); 425 void usb_packet_skip(USBPacket *p, size_t bytes); 426 size_t usb_packet_size(USBPacket *p); 427 void usb_packet_cleanup(USBPacket *p); 428 429 static inline bool usb_packet_is_inflight(USBPacket *p) 430 { 431 return (p->state == USB_PACKET_QUEUED || 432 p->state == USB_PACKET_ASYNC); 433 } 434 435 USBDevice *usb_find_device(USBPort *port, uint8_t addr); 436 437 void usb_handle_packet(USBDevice *dev, USBPacket *p); 438 void usb_packet_complete(USBDevice *dev, USBPacket *p); 439 void usb_packet_complete_one(USBDevice *dev, USBPacket *p); 440 void usb_cancel_packet(USBPacket * p); 441 442 void usb_ep_init(USBDevice *dev); 443 void usb_ep_reset(USBDevice *dev); 444 void usb_ep_dump(USBDevice *dev); 445 struct USBEndpoint *usb_ep_get(USBDevice *dev, int pid, int ep); 446 uint8_t usb_ep_get_type(USBDevice *dev, int pid, int ep); 447 void usb_ep_set_type(USBDevice *dev, int pid, int ep, uint8_t type); 448 void usb_ep_set_ifnum(USBDevice *dev, int pid, int ep, uint8_t ifnum); 449 void usb_ep_set_max_packet_size(USBDevice *dev, int pid, int ep, 450 uint16_t raw); 451 void usb_ep_set_max_streams(USBDevice *dev, int pid, int ep, uint8_t raw); 452 void usb_ep_set_halted(USBDevice *dev, int pid, int ep, bool halted); 453 USBPacket *usb_ep_find_packet_by_id(USBDevice *dev, int pid, int ep, 454 uint64_t id); 455 456 void usb_ep_combine_input_packets(USBEndpoint *ep); 457 void usb_combined_input_packet_complete(USBDevice *dev, USBPacket *p); 458 void usb_combined_packet_cancel(USBDevice *dev, USBPacket *p); 459 460 void usb_pick_speed(USBPort *port); 461 void usb_attach(USBPort *port); 462 void usb_detach(USBPort *port); 463 void usb_port_reset(USBPort *port); 464 void usb_device_reset(USBDevice *dev); 465 void usb_wakeup(USBEndpoint *ep, unsigned int stream); 466 void usb_generic_async_ctrl_complete(USBDevice *s, USBPacket *p); 467 468 /* usb-linux.c */ 469 void hmp_info_usbhost(Monitor *mon, const QDict *qdict); 470 bool usb_host_dev_is_scsi_storage(USBDevice *usbdev); 471 472 /* usb ports of the VM */ 473 474 #define VM_USB_HUB_SIZE 8 475 476 /* hw/usb/hdc-musb.c */ 477 478 enum musb_irq_source_e { 479 musb_irq_suspend = 0, 480 musb_irq_resume, 481 musb_irq_rst_babble, 482 musb_irq_sof, 483 musb_irq_connect, 484 musb_irq_disconnect, 485 musb_irq_vbus_request, 486 musb_irq_vbus_error, 487 musb_irq_rx, 488 musb_irq_tx, 489 musb_set_vbus, 490 musb_set_session, 491 /* Add new interrupts here */ 492 musb_irq_max, /* total number of interrupts defined */ 493 }; 494 495 typedef struct MUSBState MUSBState; 496 497 extern CPUReadMemoryFunc * const musb_read[]; 498 extern CPUWriteMemoryFunc * const musb_write[]; 499 500 MUSBState *musb_init(DeviceState *parent_device, int gpio_base); 501 void musb_reset(MUSBState *s); 502 uint32_t musb_core_intr_get(MUSBState *s); 503 void musb_core_intr_clear(MUSBState *s, uint32_t mask); 504 void musb_set_size(MUSBState *s, int epnum, int size, int is_tx); 505 506 /* usb-bus.c */ 507 508 #define TYPE_USB_BUS "usb-bus" 509 #define USB_BUS(obj) OBJECT_CHECK(USBBus, (obj), TYPE_USB_BUS) 510 511 struct USBBus { 512 BusState qbus; 513 USBBusOps *ops; 514 int busnr; 515 int nfree; 516 int nused; 517 QTAILQ_HEAD(, USBPort) free; 518 QTAILQ_HEAD(, USBPort) used; 519 QTAILQ_ENTRY(USBBus) next; 520 }; 521 522 struct USBBusOps { 523 void (*register_companion)(USBBus *bus, USBPort *ports[], 524 uint32_t portcount, uint32_t firstport, 525 Error **errp); 526 void (*wakeup_endpoint)(USBBus *bus, USBEndpoint *ep, unsigned int stream); 527 }; 528 529 void usb_bus_new(USBBus *bus, size_t bus_size, 530 USBBusOps *ops, DeviceState *host); 531 void usb_bus_release(USBBus *bus); 532 USBBus *usb_bus_find(int busnr); 533 void usb_legacy_register(const char *typename, const char *usbdevice_name, 534 USBDevice *(*usbdevice_init)(USBBus *bus, 535 const char *params)); 536 USBDevice *usb_create(USBBus *bus, const char *name); 537 USBDevice *usb_create_simple(USBBus *bus, const char *name); 538 USBDevice *usbdevice_create(const char *cmdline); 539 void usb_register_port(USBBus *bus, USBPort *port, void *opaque, int index, 540 USBPortOps *ops, int speedmask); 541 void usb_register_companion(const char *masterbus, USBPort *ports[], 542 uint32_t portcount, uint32_t firstport, 543 void *opaque, USBPortOps *ops, int speedmask, 544 Error **errp); 545 void usb_port_location(USBPort *downstream, USBPort *upstream, int portnr); 546 void usb_unregister_port(USBBus *bus, USBPort *port); 547 void usb_claim_port(USBDevice *dev, Error **errp); 548 void usb_release_port(USBDevice *dev); 549 void usb_device_attach(USBDevice *dev, Error **errp); 550 int usb_device_detach(USBDevice *dev); 551 void usb_check_attach(USBDevice *dev, Error **errp); 552 553 static inline USBBus *usb_bus_from_device(USBDevice *d) 554 { 555 return DO_UPCAST(USBBus, qbus, d->qdev.parent_bus); 556 } 557 558 extern const VMStateDescription vmstate_usb_device; 559 560 #define VMSTATE_USB_DEVICE(_field, _state) { \ 561 .name = (stringify(_field)), \ 562 .size = sizeof(USBDevice), \ 563 .vmsd = &vmstate_usb_device, \ 564 .flags = VMS_STRUCT, \ 565 .offset = vmstate_offset_value(_state, _field, USBDevice), \ 566 } 567 568 USBDevice *usb_device_find_device(USBDevice *dev, uint8_t addr); 569 570 void usb_device_cancel_packet(USBDevice *dev, USBPacket *p); 571 572 void usb_device_handle_attach(USBDevice *dev); 573 574 void usb_device_handle_reset(USBDevice *dev); 575 576 void usb_device_handle_control(USBDevice *dev, USBPacket *p, int request, 577 int val, int index, int length, uint8_t *data); 578 579 void usb_device_handle_data(USBDevice *dev, USBPacket *p); 580 581 void usb_device_set_interface(USBDevice *dev, int interface, 582 int alt_old, int alt_new); 583 584 void usb_device_flush_ep_queue(USBDevice *dev, USBEndpoint *ep); 585 586 void usb_device_ep_stopped(USBDevice *dev, USBEndpoint *ep); 587 588 int usb_device_alloc_streams(USBDevice *dev, USBEndpoint **eps, int nr_eps, 589 int streams); 590 void usb_device_free_streams(USBDevice *dev, USBEndpoint **eps, int nr_eps); 591 592 const char *usb_device_get_product_desc(USBDevice *dev); 593 594 const USBDesc *usb_device_get_usb_desc(USBDevice *dev); 595 596 int ehci_create_ich9_with_companions(PCIBus *bus, int slot); 597 598 /* quirks.c */ 599 600 /* In bulk endpoints are streaming data sources (iow behave like isoc eps) */ 601 #define USB_QUIRK_BUFFER_BULK_IN 0x01 602 /* Bulk pkts in FTDI format, need special handling when combining packets */ 603 #define USB_QUIRK_IS_FTDI 0x02 604 605 int usb_get_quirks(uint16_t vendor_id, uint16_t product_id, 606 uint8_t interface_class, uint8_t interface_subclass, 607 uint8_t interface_protocol); 608 609 #endif 610