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 138 139 #define USB_DEVICE_SELF_POWERED 0 140 #define USB_DEVICE_REMOTE_WAKEUP 1 141 142 #define USB_DT_DEVICE 0x01 143 #define USB_DT_CONFIG 0x02 144 #define USB_DT_STRING 0x03 145 #define USB_DT_INTERFACE 0x04 146 #define USB_DT_ENDPOINT 0x05 147 #define USB_DT_DEVICE_QUALIFIER 0x06 148 #define USB_DT_OTHER_SPEED_CONFIG 0x07 149 #define USB_DT_DEBUG 0x0A 150 #define USB_DT_INTERFACE_ASSOC 0x0B 151 #define USB_DT_BOS 0x0F 152 #define USB_DT_DEVICE_CAPABILITY 0x10 153 #define USB_DT_CS_INTERFACE 0x24 154 #define USB_DT_CS_ENDPOINT 0x25 155 #define USB_DT_ENDPOINT_COMPANION 0x30 156 157 #define USB_DEV_CAP_WIRELESS 0x01 158 #define USB_DEV_CAP_USB2_EXT 0x02 159 #define USB_DEV_CAP_SUPERSPEED 0x03 160 161 #define USB_CFG_ATT_ONE (1 << 7) /* should always be set */ 162 #define USB_CFG_ATT_SELFPOWER (1 << 6) 163 #define USB_CFG_ATT_WAKEUP (1 << 5) 164 #define USB_CFG_ATT_BATTERY (1 << 4) 165 166 #define USB_ENDPOINT_XFER_CONTROL 0 167 #define USB_ENDPOINT_XFER_ISOC 1 168 #define USB_ENDPOINT_XFER_BULK 2 169 #define USB_ENDPOINT_XFER_INT 3 170 #define USB_ENDPOINT_XFER_INVALID 255 171 172 #define USB_INTERFACE_INVALID 255 173 174 typedef struct USBBus USBBus; 175 typedef struct USBBusOps USBBusOps; 176 typedef struct USBPort USBPort; 177 typedef struct USBDevice USBDevice; 178 typedef struct USBPacket USBPacket; 179 typedef struct USBCombinedPacket USBCombinedPacket; 180 typedef struct USBEndpoint USBEndpoint; 181 182 typedef struct USBDesc USBDesc; 183 typedef struct USBDescID USBDescID; 184 typedef struct USBDescDevice USBDescDevice; 185 typedef struct USBDescConfig USBDescConfig; 186 typedef struct USBDescIfaceAssoc USBDescIfaceAssoc; 187 typedef struct USBDescIface USBDescIface; 188 typedef struct USBDescEndpoint USBDescEndpoint; 189 typedef struct USBDescOther USBDescOther; 190 typedef struct USBDescString USBDescString; 191 typedef struct USBDescMSOS USBDescMSOS; 192 193 struct USBDescString { 194 uint8_t index; 195 char *str; 196 QLIST_ENTRY(USBDescString) next; 197 }; 198 199 #define USB_MAX_ENDPOINTS 15 200 #define USB_MAX_INTERFACES 16 201 202 struct USBEndpoint { 203 uint8_t nr; 204 uint8_t pid; 205 uint8_t type; 206 uint8_t ifnum; 207 int max_packet_size; 208 int max_streams; 209 bool pipeline; 210 bool halted; 211 USBDevice *dev; 212 QTAILQ_HEAD(, USBPacket) queue; 213 }; 214 215 enum USBDeviceFlags { 216 USB_DEV_FLAG_FULL_PATH, 217 USB_DEV_FLAG_IS_HOST, 218 USB_DEV_FLAG_MSOS_DESC_ENABLE, 219 USB_DEV_FLAG_MSOS_DESC_IN_USE, 220 }; 221 222 /* definition of a USB device */ 223 struct USBDevice { 224 DeviceState qdev; 225 USBPort *port; 226 char *port_path; 227 char *serial; 228 void *opaque; 229 uint32_t flags; 230 231 /* Actual connected speed */ 232 int speed; 233 /* Supported speeds, not in info because it may be variable (hostdevs) */ 234 int speedmask; 235 uint8_t addr; 236 char product_desc[32]; 237 int auto_attach; 238 int attached; 239 240 int32_t state; 241 uint8_t setup_buf[8]; 242 uint8_t data_buf[4096]; 243 int32_t remote_wakeup; 244 int32_t setup_state; 245 int32_t setup_len; 246 int32_t setup_index; 247 248 USBEndpoint ep_ctl; 249 USBEndpoint ep_in[USB_MAX_ENDPOINTS]; 250 USBEndpoint ep_out[USB_MAX_ENDPOINTS]; 251 252 QLIST_HEAD(, USBDescString) strings; 253 const USBDesc *usb_desc; /* Overrides class usb_desc if not NULL */ 254 const USBDescDevice *device; 255 256 int configuration; 257 int ninterfaces; 258 int altsetting[USB_MAX_INTERFACES]; 259 const USBDescConfig *config; 260 const USBDescIface *ifaces[USB_MAX_INTERFACES]; 261 }; 262 263 #define TYPE_USB_DEVICE "usb-device" 264 #define USB_DEVICE(obj) \ 265 OBJECT_CHECK(USBDevice, (obj), TYPE_USB_DEVICE) 266 #define USB_DEVICE_CLASS(klass) \ 267 OBJECT_CLASS_CHECK(USBDeviceClass, (klass), TYPE_USB_DEVICE) 268 #define USB_DEVICE_GET_CLASS(obj) \ 269 OBJECT_GET_CLASS(USBDeviceClass, (obj), TYPE_USB_DEVICE) 270 271 typedef void (*USBDeviceRealize)(USBDevice *dev, Error **errp); 272 typedef void (*USBDeviceUnrealize)(USBDevice *dev, Error **errp); 273 274 typedef struct USBDeviceClass { 275 DeviceClass parent_class; 276 277 USBDeviceRealize realize; 278 USBDeviceUnrealize unrealize; 279 280 /* 281 * Walk (enabled) downstream ports, check for a matching device. 282 * Only hubs implement this. 283 */ 284 USBDevice *(*find_device)(USBDevice *dev, uint8_t addr); 285 286 /* 287 * Called when a packet is canceled. 288 */ 289 void (*cancel_packet)(USBDevice *dev, USBPacket *p); 290 291 /* 292 * Called when device is destroyed. 293 */ 294 void (*handle_destroy)(USBDevice *dev); 295 296 /* 297 * Attach the device 298 */ 299 void (*handle_attach)(USBDevice *dev); 300 301 /* 302 * Reset the device 303 */ 304 void (*handle_reset)(USBDevice *dev); 305 306 /* 307 * Process control request. 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_control)(USBDevice *dev, USBPacket *p, int request, int value, 314 int index, int length, uint8_t *data); 315 316 /* 317 * Process data transfers (both BULK and ISOC). 318 * Called from handle_packet(). 319 * 320 * Status gets stored in p->status, and if p->status == USB_RET_SUCCESS 321 * then the number of bytes transferred is stored in p->actual_length 322 */ 323 void (*handle_data)(USBDevice *dev, USBPacket *p); 324 325 void (*set_interface)(USBDevice *dev, int interface, 326 int alt_old, int alt_new); 327 328 /* 329 * Called when the hcd is done queuing packets for an endpoint, only 330 * necessary for devices which can return USB_RET_ADD_TO_QUEUE. 331 */ 332 void (*flush_ep_queue)(USBDevice *dev, USBEndpoint *ep); 333 334 /* 335 * Called by the hcd to let the device know the queue for an endpoint 336 * has been unlinked / stopped. Optional may be NULL. 337 */ 338 void (*ep_stopped)(USBDevice *dev, USBEndpoint *ep); 339 340 /* 341 * Called by the hcd to alloc / free streams on a bulk endpoint. 342 * Optional may be NULL. 343 */ 344 int (*alloc_streams)(USBDevice *dev, USBEndpoint **eps, int nr_eps, 345 int streams); 346 void (*free_streams)(USBDevice *dev, USBEndpoint **eps, int nr_eps); 347 348 const char *product_desc; 349 const USBDesc *usb_desc; 350 } USBDeviceClass; 351 352 typedef struct USBPortOps { 353 void (*attach)(USBPort *port); 354 void (*detach)(USBPort *port); 355 /* 356 * This gets called when a device downstream from the device attached to 357 * the port (iow attached through a hub) gets detached. 358 */ 359 void (*child_detach)(USBPort *port, USBDevice *child); 360 void (*wakeup)(USBPort *port); 361 /* 362 * Note that port->dev will be different then the device from which 363 * the packet originated when a hub is involved. 364 */ 365 void (*complete)(USBPort *port, USBPacket *p); 366 } USBPortOps; 367 368 /* USB port on which a device can be connected */ 369 struct USBPort { 370 USBDevice *dev; 371 int speedmask; 372 int hubcount; 373 char path[16]; 374 USBPortOps *ops; 375 void *opaque; 376 int index; /* internal port index, may be used with the opaque */ 377 QTAILQ_ENTRY(USBPort) next; 378 }; 379 380 typedef void USBCallback(USBPacket * packet, void *opaque); 381 382 typedef enum USBPacketState { 383 USB_PACKET_UNDEFINED = 0, 384 USB_PACKET_SETUP, 385 USB_PACKET_QUEUED, 386 USB_PACKET_ASYNC, 387 USB_PACKET_COMPLETE, 388 USB_PACKET_CANCELED, 389 } USBPacketState; 390 391 /* Structure used to hold information about an active USB packet. */ 392 struct USBPacket { 393 /* Data fields for use by the driver. */ 394 int pid; 395 uint64_t id; 396 USBEndpoint *ep; 397 unsigned int stream; 398 QEMUIOVector iov; 399 uint64_t parameter; /* control transfers */ 400 bool short_not_ok; 401 bool int_req; 402 int status; /* USB_RET_* status code */ 403 int actual_length; /* Number of bytes actually transferred */ 404 /* Internal use by the USB layer. */ 405 USBPacketState state; 406 USBCombinedPacket *combined; 407 QTAILQ_ENTRY(USBPacket) queue; 408 QTAILQ_ENTRY(USBPacket) combined_entry; 409 }; 410 411 struct USBCombinedPacket { 412 USBPacket *first; 413 QTAILQ_HEAD(packets_head, USBPacket) packets; 414 QEMUIOVector iov; 415 }; 416 417 void usb_packet_init(USBPacket *p); 418 void usb_packet_set_state(USBPacket *p, USBPacketState state); 419 void usb_packet_check_state(USBPacket *p, USBPacketState expected); 420 void usb_packet_setup(USBPacket *p, int pid, 421 USBEndpoint *ep, unsigned int stream, 422 uint64_t id, bool short_not_ok, bool int_req); 423 void usb_packet_addbuf(USBPacket *p, void *ptr, size_t len); 424 int usb_packet_map(USBPacket *p, QEMUSGList *sgl); 425 void usb_packet_unmap(USBPacket *p, QEMUSGList *sgl); 426 void usb_packet_copy(USBPacket *p, void *ptr, size_t bytes); 427 void usb_packet_skip(USBPacket *p, size_t bytes); 428 size_t usb_packet_size(USBPacket *p); 429 void usb_packet_cleanup(USBPacket *p); 430 431 static inline bool usb_packet_is_inflight(USBPacket *p) 432 { 433 return (p->state == USB_PACKET_QUEUED || 434 p->state == USB_PACKET_ASYNC); 435 } 436 437 USBDevice *usb_find_device(USBPort *port, uint8_t addr); 438 439 void usb_handle_packet(USBDevice *dev, USBPacket *p); 440 void usb_packet_complete(USBDevice *dev, USBPacket *p); 441 void usb_packet_complete_one(USBDevice *dev, USBPacket *p); 442 void usb_cancel_packet(USBPacket * p); 443 444 void usb_ep_init(USBDevice *dev); 445 void usb_ep_reset(USBDevice *dev); 446 void usb_ep_dump(USBDevice *dev); 447 struct USBEndpoint *usb_ep_get(USBDevice *dev, int pid, int ep); 448 uint8_t usb_ep_get_type(USBDevice *dev, int pid, int ep); 449 void usb_ep_set_type(USBDevice *dev, int pid, int ep, uint8_t type); 450 void usb_ep_set_ifnum(USBDevice *dev, int pid, int ep, uint8_t ifnum); 451 void usb_ep_set_max_packet_size(USBDevice *dev, int pid, int ep, 452 uint16_t raw); 453 void usb_ep_set_max_streams(USBDevice *dev, int pid, int ep, uint8_t raw); 454 void usb_ep_set_halted(USBDevice *dev, int pid, int ep, bool halted); 455 USBPacket *usb_ep_find_packet_by_id(USBDevice *dev, int pid, int ep, 456 uint64_t id); 457 458 void usb_ep_combine_input_packets(USBEndpoint *ep); 459 void usb_combined_input_packet_complete(USBDevice *dev, USBPacket *p); 460 void usb_combined_packet_cancel(USBDevice *dev, USBPacket *p); 461 462 void usb_pick_speed(USBPort *port); 463 void usb_attach(USBPort *port); 464 void usb_detach(USBPort *port); 465 void usb_port_reset(USBPort *port); 466 void usb_device_reset(USBDevice *dev); 467 void usb_wakeup(USBEndpoint *ep, unsigned int stream); 468 void usb_generic_async_ctrl_complete(USBDevice *s, USBPacket *p); 469 470 /* usb-linux.c */ 471 USBDevice *usb_host_device_open(USBBus *bus, const char *devname); 472 void hmp_info_usbhost(Monitor *mon, const QDict *qdict); 473 474 /* usb ports of the VM */ 475 476 #define VM_USB_HUB_SIZE 8 477 478 /* hw/usb/hdc-musb.c */ 479 480 enum musb_irq_source_e { 481 musb_irq_suspend = 0, 482 musb_irq_resume, 483 musb_irq_rst_babble, 484 musb_irq_sof, 485 musb_irq_connect, 486 musb_irq_disconnect, 487 musb_irq_vbus_request, 488 musb_irq_vbus_error, 489 musb_irq_rx, 490 musb_irq_tx, 491 musb_set_vbus, 492 musb_set_session, 493 /* Add new interrupts here */ 494 musb_irq_max, /* total number of interrupts defined */ 495 }; 496 497 typedef struct MUSBState MUSBState; 498 499 extern CPUReadMemoryFunc * const musb_read[]; 500 extern CPUWriteMemoryFunc * const musb_write[]; 501 502 MUSBState *musb_init(DeviceState *parent_device, int gpio_base); 503 void musb_reset(MUSBState *s); 504 uint32_t musb_core_intr_get(MUSBState *s); 505 void musb_core_intr_clear(MUSBState *s, uint32_t mask); 506 void musb_set_size(MUSBState *s, int epnum, int size, int is_tx); 507 508 /* usb-bus.c */ 509 510 #define TYPE_USB_BUS "usb-bus" 511 #define USB_BUS(obj) OBJECT_CHECK(USBBus, (obj), TYPE_USB_BUS) 512 513 struct USBBus { 514 BusState qbus; 515 USBBusOps *ops; 516 int busnr; 517 int nfree; 518 int nused; 519 QTAILQ_HEAD(, USBPort) free; 520 QTAILQ_HEAD(, USBPort) used; 521 QTAILQ_ENTRY(USBBus) next; 522 }; 523 524 struct USBBusOps { 525 void (*register_companion)(USBBus *bus, USBPort *ports[], 526 uint32_t portcount, uint32_t firstport, 527 Error **errp); 528 void (*wakeup_endpoint)(USBBus *bus, USBEndpoint *ep, unsigned int stream); 529 }; 530 531 void usb_bus_new(USBBus *bus, size_t bus_size, 532 USBBusOps *ops, DeviceState *host); 533 void usb_bus_release(USBBus *bus); 534 USBBus *usb_bus_find(int busnr); 535 void usb_legacy_register(const char *typename, const char *usbdevice_name, 536 USBDevice *(*usbdevice_init)(USBBus *bus, 537 const char *params)); 538 USBDevice *usb_create(USBBus *bus, const char *name); 539 USBDevice *usb_create_simple(USBBus *bus, const char *name); 540 USBDevice *usbdevice_create(const char *cmdline); 541 void usb_register_port(USBBus *bus, USBPort *port, void *opaque, int index, 542 USBPortOps *ops, int speedmask); 543 void usb_register_companion(const char *masterbus, USBPort *ports[], 544 uint32_t portcount, uint32_t firstport, 545 void *opaque, USBPortOps *ops, int speedmask, 546 Error **errp); 547 void usb_port_location(USBPort *downstream, USBPort *upstream, int portnr); 548 void usb_unregister_port(USBBus *bus, USBPort *port); 549 void usb_claim_port(USBDevice *dev, Error **errp); 550 void usb_release_port(USBDevice *dev); 551 void usb_device_attach(USBDevice *dev, Error **errp); 552 int usb_device_detach(USBDevice *dev); 553 int usb_device_delete_addr(int busnr, int addr); 554 void usb_check_attach(USBDevice *dev, Error **errp); 555 556 static inline USBBus *usb_bus_from_device(USBDevice *d) 557 { 558 return DO_UPCAST(USBBus, qbus, d->qdev.parent_bus); 559 } 560 561 extern const VMStateDescription vmstate_usb_device; 562 563 #define VMSTATE_USB_DEVICE(_field, _state) { \ 564 .name = (stringify(_field)), \ 565 .size = sizeof(USBDevice), \ 566 .vmsd = &vmstate_usb_device, \ 567 .flags = VMS_STRUCT, \ 568 .offset = vmstate_offset_value(_state, _field, USBDevice), \ 569 } 570 571 USBDevice *usb_device_find_device(USBDevice *dev, uint8_t addr); 572 573 void usb_device_cancel_packet(USBDevice *dev, USBPacket *p); 574 575 void usb_device_handle_attach(USBDevice *dev); 576 577 void usb_device_handle_reset(USBDevice *dev); 578 579 void usb_device_handle_control(USBDevice *dev, USBPacket *p, int request, 580 int val, int index, int length, uint8_t *data); 581 582 void usb_device_handle_data(USBDevice *dev, USBPacket *p); 583 584 void usb_device_set_interface(USBDevice *dev, int interface, 585 int alt_old, int alt_new); 586 587 void usb_device_flush_ep_queue(USBDevice *dev, USBEndpoint *ep); 588 589 void usb_device_ep_stopped(USBDevice *dev, USBEndpoint *ep); 590 591 int usb_device_alloc_streams(USBDevice *dev, USBEndpoint **eps, int nr_eps, 592 int streams); 593 void usb_device_free_streams(USBDevice *dev, USBEndpoint **eps, int nr_eps); 594 595 const char *usb_device_get_product_desc(USBDevice *dev); 596 597 const USBDesc *usb_device_get_usb_desc(USBDevice *dev); 598 599 int ehci_create_ich9_with_companions(PCIBus *bus, int slot); 600 601 /* quirks.c */ 602 603 /* In bulk endpoints are streaming data sources (iow behave like isoc eps) */ 604 #define USB_QUIRK_BUFFER_BULK_IN 0x01 605 /* Bulk pkts in FTDI format, need special handling when combining packets */ 606 #define USB_QUIRK_IS_FTDI 0x02 607 608 int usb_get_quirks(uint16_t vendor_id, uint16_t product_id, 609 uint8_t interface_class, uint8_t interface_subclass, 610 uint8_t interface_protocol); 611 612 #endif 613