qemu/include/hw/usb.h
<<
>>
Prefs
   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
 178typedef struct USBBusOps USBBusOps;
 179typedef struct USBPort USBPort;
 180typedef struct USBDevice USBDevice;
 181typedef struct USBPacket USBPacket;
 182typedef struct USBCombinedPacket USBCombinedPacket;
 183typedef struct USBEndpoint USBEndpoint;
 184
 185typedef struct USBDesc USBDesc;
 186typedef struct USBDescID USBDescID;
 187typedef struct USBDescDevice USBDescDevice;
 188typedef struct USBDescConfig USBDescConfig;
 189typedef struct USBDescIfaceAssoc USBDescIfaceAssoc;
 190typedef struct USBDescIface USBDescIface;
 191typedef struct USBDescEndpoint USBDescEndpoint;
 192typedef struct USBDescOther USBDescOther;
 193typedef struct USBDescString USBDescString;
 194typedef struct USBDescMSOS USBDescMSOS;
 195
 196struct 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
 205struct 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
 218enum USBDeviceFlags {
 219    USB_DEV_FLAG_IS_HOST,
 220    USB_DEV_FLAG_MSOS_DESC_ENABLE,
 221    USB_DEV_FLAG_MSOS_DESC_IN_USE,
 222    USB_DEV_FLAG_IS_SCSI_STORAGE,
 223};
 224
 225/* definition of a USB device */
 226struct USBDevice {
 227    DeviceState qdev;
 228    USBPort *port;
 229    char *port_path;
 230    char *serial;
 231    void *opaque;
 232    uint32_t flags;
 233
 234    char *pcap_filename;
 235    FILE *pcap;
 236
 237    /* Actual connected speed */
 238    int speed;
 239    /* Supported speeds, not in info because it may be variable (hostdevs) */
 240    int speedmask;
 241    uint8_t addr;
 242    char product_desc[32];
 243    int auto_attach;
 244    bool attached;
 245
 246    int32_t state;
 247    uint8_t setup_buf[8];
 248    uint8_t data_buf[4096];
 249    int32_t remote_wakeup;
 250    int32_t setup_state;
 251    int32_t setup_len;
 252    int32_t setup_index;
 253
 254    USBEndpoint ep_ctl;
 255    USBEndpoint ep_in[USB_MAX_ENDPOINTS];
 256    USBEndpoint ep_out[USB_MAX_ENDPOINTS];
 257
 258    QLIST_HEAD(, USBDescString) strings;
 259    const USBDesc *usb_desc; /* Overrides class usb_desc if not NULL */
 260    const USBDescDevice *device;
 261
 262    int configuration;
 263    int ninterfaces;
 264    int altsetting[USB_MAX_INTERFACES];
 265    const USBDescConfig *config;
 266    const USBDescIface  *ifaces[USB_MAX_INTERFACES];
 267};
 268
 269#define TYPE_USB_DEVICE "usb-device"
 270OBJECT_DECLARE_TYPE(USBDevice, USBDeviceClass, USB_DEVICE)
 271
 272typedef void (*USBDeviceRealize)(USBDevice *dev, Error **errp);
 273typedef void (*USBDeviceUnrealize)(USBDevice *dev);
 274
 275struct 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
 349typedef 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 */
 366struct 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
 377typedef void USBCallback(USBPacket * packet, void *opaque);
 378
 379typedef 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.  */
 389struct 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
 408struct USBCombinedPacket {
 409    USBPacket *first;
 410    QTAILQ_HEAD(, USBPacket) packets;
 411    QEMUIOVector iov;
 412};
 413
 414void usb_packet_init(USBPacket *p);
 415void usb_packet_set_state(USBPacket *p, USBPacketState state);
 416void usb_packet_check_state(USBPacket *p, USBPacketState expected);
 417void usb_packet_setup(USBPacket *p, int pid,
 418                      USBEndpoint *ep, unsigned int stream,
 419                      uint64_t id, bool short_not_ok, bool int_req);
 420void usb_packet_addbuf(USBPacket *p, void *ptr, size_t len);
 421int usb_packet_map(USBPacket *p, QEMUSGList *sgl);
 422void usb_packet_unmap(USBPacket *p, QEMUSGList *sgl);
 423void usb_packet_copy(USBPacket *p, void *ptr, size_t bytes);
 424void usb_packet_skip(USBPacket *p, size_t bytes);
 425size_t usb_packet_size(USBPacket *p);
 426void usb_packet_cleanup(USBPacket *p);
 427
 428static inline bool usb_packet_is_inflight(USBPacket *p)
 429{
 430    return (p->state == USB_PACKET_QUEUED ||
 431            p->state == USB_PACKET_ASYNC);
 432}
 433
 434USBDevice *usb_find_device(USBPort *port, uint8_t addr);
 435
 436void usb_handle_packet(USBDevice *dev, USBPacket *p);
 437void usb_packet_complete(USBDevice *dev, USBPacket *p);
 438void usb_packet_complete_one(USBDevice *dev, USBPacket *p);
 439void usb_cancel_packet(USBPacket * p);
 440
 441void usb_ep_init(USBDevice *dev);
 442void usb_ep_reset(USBDevice *dev);
 443void usb_ep_dump(USBDevice *dev);
 444struct USBEndpoint *usb_ep_get(USBDevice *dev, int pid, int ep);
 445uint8_t usb_ep_get_type(USBDevice *dev, int pid, int ep);
 446void usb_ep_set_type(USBDevice *dev, int pid, int ep, uint8_t type);
 447void usb_ep_set_ifnum(USBDevice *dev, int pid, int ep, uint8_t ifnum);
 448void usb_ep_set_max_packet_size(USBDevice *dev, int pid, int ep,
 449                                uint16_t raw);
 450void usb_ep_set_max_streams(USBDevice *dev, int pid, int ep, uint8_t raw);
 451void usb_ep_set_halted(USBDevice *dev, int pid, int ep, bool halted);
 452USBPacket *usb_ep_find_packet_by_id(USBDevice *dev, int pid, int ep,
 453                                    uint64_t id);
 454
 455void usb_ep_combine_input_packets(USBEndpoint *ep);
 456void usb_combined_input_packet_complete(USBDevice *dev, USBPacket *p);
 457void usb_combined_packet_cancel(USBDevice *dev, USBPacket *p);
 458
 459void usb_pick_speed(USBPort *port);
 460void usb_attach(USBPort *port);
 461void usb_detach(USBPort *port);
 462void usb_port_reset(USBPort *port);
 463void usb_device_reset(USBDevice *dev);
 464void usb_wakeup(USBEndpoint *ep, unsigned int stream);
 465void usb_generic_async_ctrl_complete(USBDevice *s, USBPacket *p);
 466
 467/* usb-linux.c */
 468void hmp_info_usbhost(Monitor *mon, const QDict *qdict);
 469
 470/* usb ports of the VM */
 471
 472#define VM_USB_HUB_SIZE 8
 473
 474/* usb-bus.c */
 475
 476#define TYPE_USB_BUS "usb-bus"
 477OBJECT_DECLARE_SIMPLE_TYPE(USBBus, USB_BUS)
 478
 479struct USBBus {
 480    BusState qbus;
 481    USBBusOps *ops;
 482    int busnr;
 483    int nfree;
 484    int nused;
 485    QTAILQ_HEAD(, USBPort) free;
 486    QTAILQ_HEAD(, USBPort) used;
 487    QTAILQ_ENTRY(USBBus) next;
 488};
 489
 490struct USBBusOps {
 491    void (*register_companion)(USBBus *bus, USBPort *ports[],
 492                               uint32_t portcount, uint32_t firstport,
 493                               Error **errp);
 494    void (*wakeup_endpoint)(USBBus *bus, USBEndpoint *ep, unsigned int stream);
 495};
 496
 497void usb_bus_new(USBBus *bus, size_t bus_size,
 498                 USBBusOps *ops, DeviceState *host);
 499void usb_bus_release(USBBus *bus);
 500USBBus *usb_bus_find(int busnr);
 501void usb_legacy_register(const char *typename, const char *usbdevice_name,
 502                         USBDevice *(*usbdevice_init)(void));
 503USBDevice *usb_new(const char *name);
 504bool usb_realize_and_unref(USBDevice *dev, USBBus *bus, Error **errp);
 505USBDevice *usb_create_simple(USBBus *bus, const char *name);
 506USBDevice *usbdevice_create(const char *cmdline);
 507void usb_register_port(USBBus *bus, USBPort *port, void *opaque, int index,
 508                       USBPortOps *ops, int speedmask);
 509void usb_register_companion(const char *masterbus, USBPort *ports[],
 510                            uint32_t portcount, uint32_t firstport,
 511                            void *opaque, USBPortOps *ops, int speedmask,
 512                            Error **errp);
 513void usb_port_location(USBPort *downstream, USBPort *upstream, int portnr);
 514void usb_unregister_port(USBBus *bus, USBPort *port);
 515void usb_claim_port(USBDevice *dev, Error **errp);
 516void usb_release_port(USBDevice *dev);
 517void usb_device_attach(USBDevice *dev, Error **errp);
 518int usb_device_detach(USBDevice *dev);
 519void usb_check_attach(USBDevice *dev, Error **errp);
 520
 521static inline USBBus *usb_bus_from_device(USBDevice *d)
 522{
 523    return DO_UPCAST(USBBus, qbus, d->qdev.parent_bus);
 524}
 525
 526extern const VMStateDescription vmstate_usb_device;
 527
 528#define VMSTATE_USB_DEVICE(_field, _state) {                         \
 529    .name       = (stringify(_field)),                               \
 530    .size       = sizeof(USBDevice),                                 \
 531    .vmsd       = &vmstate_usb_device,                               \
 532    .flags      = VMS_STRUCT,                                        \
 533    .offset     = vmstate_offset_value(_state, _field, USBDevice),   \
 534}
 535
 536USBDevice *usb_device_find_device(USBDevice *dev, uint8_t addr);
 537
 538void usb_device_cancel_packet(USBDevice *dev, USBPacket *p);
 539
 540void usb_device_handle_attach(USBDevice *dev);
 541
 542void usb_device_handle_reset(USBDevice *dev);
 543
 544void usb_device_handle_control(USBDevice *dev, USBPacket *p, int request,
 545                               int val, int index, int length, uint8_t *data);
 546
 547void usb_device_handle_data(USBDevice *dev, USBPacket *p);
 548
 549void usb_device_set_interface(USBDevice *dev, int interface,
 550                              int alt_old, int alt_new);
 551
 552void usb_device_flush_ep_queue(USBDevice *dev, USBEndpoint *ep);
 553
 554void usb_device_ep_stopped(USBDevice *dev, USBEndpoint *ep);
 555
 556int usb_device_alloc_streams(USBDevice *dev, USBEndpoint **eps, int nr_eps,
 557                             int streams);
 558void usb_device_free_streams(USBDevice *dev, USBEndpoint **eps, int nr_eps);
 559
 560const char *usb_device_get_product_desc(USBDevice *dev);
 561
 562const USBDesc *usb_device_get_usb_desc(USBDevice *dev);
 563
 564static inline bool usb_device_is_scsi_storage(USBDevice *dev)
 565{
 566    return dev->flags & (1 << USB_DEV_FLAG_IS_SCSI_STORAGE);
 567}
 568
 569/* quirks.c */
 570
 571/* In bulk endpoints are streaming data sources (iow behave like isoc eps) */
 572#define USB_QUIRK_BUFFER_BULK_IN        0x01
 573/* Bulk pkts in FTDI format, need special handling when combining packets */
 574#define USB_QUIRK_IS_FTDI               0x02
 575
 576int usb_get_quirks(uint16_t vendor_id, uint16_t product_id,
 577                   uint8_t interface_class, uint8_t interface_subclass,
 578                   uint8_t interface_protocol);
 579
 580/* pcap.c */
 581void usb_pcap_init(FILE *fp);
 582void usb_pcap_ctrl(USBPacket *p, bool setup);
 583void usb_pcap_data(USBPacket *p, bool setup);
 584
 585#endif
 586