LXR qemu/include/hw/usb.h

   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 InterfaceRequest \
 106        ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8)
 107#define InterfaceOutRequest \
 108        ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8)
 109#define EndpointRequest ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8)
 110#define EndpointOutRequest \
 111        ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8)
 112#define ClassInterfaceRequest \
 113        ((USB_DIR_IN|USB_TYPE_CLASS|USB_RECIP_INTERFACE)<<8)
 114#define ClassInterfaceOutRequest \
 115        ((USB_DIR_OUT|USB_TYPE_CLASS|USB_RECIP_INTERFACE)<<8)
 116
 117#define USB_REQ_GET_STATUS              0x00
 118#define USB_REQ_CLEAR_FEATURE           0x01
 119#define USB_REQ_SET_FEATURE             0x03
 120#define USB_REQ_SET_ADDRESS             0x05
 121#define USB_REQ_GET_DESCRIPTOR          0x06
 122#define USB_REQ_SET_DESCRIPTOR          0x07
 123#define USB_REQ_GET_CONFIGURATION       0x08
 124#define USB_REQ_SET_CONFIGURATION       0x09
 125#define USB_REQ_GET_INTERFACE           0x0A
 126#define USB_REQ_SET_INTERFACE           0x0B
 127#define USB_REQ_SYNCH_FRAME             0x0C
 128
 129#define USB_DEVICE_SELF_POWERED         0
 130#define USB_DEVICE_REMOTE_WAKEUP        1
 131
 132#define USB_DT_DEVICE                   0x01
 133#define USB_DT_CONFIG                   0x02
 134#define USB_DT_STRING                   0x03
 135#define USB_DT_INTERFACE                0x04
 136#define USB_DT_ENDPOINT                 0x05
 137#define USB_DT_DEVICE_QUALIFIER         0x06
 138#define USB_DT_OTHER_SPEED_CONFIG       0x07
 139#define USB_DT_DEBUG                    0x0A
 140#define USB_DT_INTERFACE_ASSOC          0x0B
 141#define USB_DT_BOS                      0x0F
 142#define USB_DT_DEVICE_CAPABILITY        0x10
 143#define USB_DT_CS_INTERFACE             0x24
 144#define USB_DT_CS_ENDPOINT              0x25
 145#define USB_DT_ENDPOINT_COMPANION       0x30
 146
 147#define USB_DEV_CAP_WIRELESS            0x01
 148#define USB_DEV_CAP_USB2_EXT            0x02
 149#define USB_DEV_CAP_SUPERSPEED          0x03
 150
 151#define USB_ENDPOINT_XFER_CONTROL       0
 152#define USB_ENDPOINT_XFER_ISOC          1
 153#define USB_ENDPOINT_XFER_BULK          2
 154#define USB_ENDPOINT_XFER_INT           3
 155#define USB_ENDPOINT_XFER_INVALID     255
 156
 157#define USB_INTERFACE_INVALID         255
 158
 159typedef struct USBBus USBBus;
 160typedef struct USBBusOps USBBusOps;
 161typedef struct USBPort USBPort;
 162typedef struct USBDevice USBDevice;
 163typedef struct USBPacket USBPacket;
 164typedef struct USBCombinedPacket USBCombinedPacket;
 165typedef struct USBEndpoint USBEndpoint;
 166
 167typedef struct USBDesc USBDesc;
 168typedef struct USBDescID USBDescID;
 169typedef struct USBDescDevice USBDescDevice;
 170typedef struct USBDescConfig USBDescConfig;
 171typedef struct USBDescIfaceAssoc USBDescIfaceAssoc;
 172typedef struct USBDescIface USBDescIface;
 173typedef struct USBDescEndpoint USBDescEndpoint;
 174typedef struct USBDescOther USBDescOther;
 175typedef struct USBDescString USBDescString;
 176
 177struct USBDescString {
 178    uint8_t index;
 179    char *str;
 180    QLIST_ENTRY(USBDescString) next;
 181};
 182
 183#define USB_MAX_ENDPOINTS  15
 184#define USB_MAX_INTERFACES 16
 185
 186struct USBEndpoint {
 187    uint8_t nr;
 188    uint8_t pid;
 189    uint8_t type;
 190    uint8_t ifnum;
 191    int max_packet_size;
 192    bool pipeline;
 193    bool halted;
 194    USBDevice *dev;
 195    QTAILQ_HEAD(, USBPacket) queue;
 196};
 197
 198enum USBDeviceFlags {
 199    USB_DEV_FLAG_FULL_PATH,
 200    USB_DEV_FLAG_IS_HOST,
 201};
 202
 203/* definition of a USB device */
 204struct USBDevice {
 205    DeviceState qdev;
 206    USBPort *port;
 207    char *port_path;
 208    char *serial;
 209    void *opaque;
 210    uint32_t flags;
 211
 212    /* Actual connected speed */
 213    int speed;
 214    /* Supported speeds, not in info because it may be variable (hostdevs) */
 215    int speedmask;
 216    uint8_t addr;
 217    char product_desc[32];
 218    int auto_attach;
 219    int attached;
 220
 221    int32_t state;
 222    uint8_t setup_buf[8];
 223    uint8_t data_buf[4096];
 224    int32_t remote_wakeup;
 225    int32_t setup_state;
 226    int32_t setup_len;
 227    int32_t setup_index;
 228
 229    USBEndpoint ep_ctl;
 230    USBEndpoint ep_in[USB_MAX_ENDPOINTS];
 231    USBEndpoint ep_out[USB_MAX_ENDPOINTS];
 232
 233    QLIST_HEAD(, USBDescString) strings;
 234    const USBDesc *usb_desc; /* Overrides class usb_desc if not NULL */
 235    const USBDescDevice *device;
 236
 237    int configuration;
 238    int ninterfaces;
 239    int altsetting[USB_MAX_INTERFACES];
 240    const USBDescConfig *config;
 241    const USBDescIface  *ifaces[USB_MAX_INTERFACES];
 242};
 243
 244#define TYPE_USB_DEVICE "usb-device"
 245#define USB_DEVICE(obj) \
 246     OBJECT_CHECK(USBDevice, (obj), TYPE_USB_DEVICE)
 247#define USB_DEVICE_CLASS(klass) \
 248     OBJECT_CLASS_CHECK(USBDeviceClass, (klass), TYPE_USB_DEVICE)
 249#define USB_DEVICE_GET_CLASS(obj) \
 250     OBJECT_GET_CLASS(USBDeviceClass, (obj), TYPE_USB_DEVICE)
 251
 252typedef struct USBDeviceClass {
 253    DeviceClass parent_class;
 254
 255    int (*init)(USBDevice *dev);
 256
 257    /*
 258     * Walk (enabled) downstream ports, check for a matching device.
 259     * Only hubs implement this.
 260     */
 261    USBDevice *(*find_device)(USBDevice *dev, uint8_t addr);
 262
 263    /*
 264     * Called when a packet is canceled.
 265     */
 266    void (*cancel_packet)(USBDevice *dev, USBPacket *p);
 267
 268    /*
 269     * Called when device is destroyed.
 270     */
 271    void (*handle_destroy)(USBDevice *dev);
 272
 273    /*
 274     * Attach the device
 275     */
 276    void (*handle_attach)(USBDevice *dev);
 277
 278    /*
 279     * Reset the device
 280     */
 281    void (*handle_reset)(USBDevice *dev);
 282
 283    /*
 284     * Process control request.
 285     * Called from handle_packet().
 286     *
 287     * Status gets stored in p->status, and if p->status == USB_RET_SUCCESS
 288     * then the number of bytes transferred is stored in p->actual_length
 289     */
 290    void (*handle_control)(USBDevice *dev, USBPacket *p, int request, int value,
 291                           int index, int length, uint8_t *data);
 292
 293    /*
 294     * Process data transfers (both BULK and ISOC).
 295     * Called from handle_packet().
 296     *
 297     * Status gets stored in p->status, and if p->status == USB_RET_SUCCESS
 298     * then the number of bytes transferred is stored in p->actual_length
 299     */
 300    void (*handle_data)(USBDevice *dev, USBPacket *p);
 301
 302    void (*set_interface)(USBDevice *dev, int interface,
 303                          int alt_old, int alt_new);
 304
 305    /*
 306     * Called when the hcd is done queuing packets for an endpoint, only
 307     * necessary for devices which can return USB_RET_ADD_TO_QUEUE.
 308     */
 309    void (*flush_ep_queue)(USBDevice *dev, USBEndpoint *ep);
 310
 311    /*
 312     * Called by the hcd to let the device know the queue for an endpoint
 313     * has been unlinked / stopped. Optional may be NULL.
 314     */
 315    void (*ep_stopped)(USBDevice *dev, USBEndpoint *ep);
 316
 317    const char *product_desc;
 318    const USBDesc *usb_desc;
 319} USBDeviceClass;
 320
 321typedef struct USBPortOps {
 322    void (*attach)(USBPort *port);
 323    void (*detach)(USBPort *port);
 324    /*
 325     * This gets called when a device downstream from the device attached to
 326     * the port (iow attached through a hub) gets detached.
 327     */
 328    void (*child_detach)(USBPort *port, USBDevice *child);
 329    void (*wakeup)(USBPort *port);
 330    /*
 331     * Note that port->dev will be different then the device from which
 332     * the packet originated when a hub is involved.
 333     */
 334    void (*complete)(USBPort *port, USBPacket *p);
 335} USBPortOps;
 336
 337/* USB port on which a device can be connected */
 338struct USBPort {
 339    USBDevice *dev;
 340    int speedmask;
 341    int hubcount;
 342    char path[16];
 343    USBPortOps *ops;
 344    void *opaque;
 345    int index; /* internal port index, may be used with the opaque */
 346    QTAILQ_ENTRY(USBPort) next;
 347};
 348
 349typedef void USBCallback(USBPacket * packet, void *opaque);
 350
 351typedef enum USBPacketState {
 352    USB_PACKET_UNDEFINED = 0,
 353    USB_PACKET_SETUP,
 354    USB_PACKET_QUEUED,
 355    USB_PACKET_ASYNC,
 356    USB_PACKET_COMPLETE,
 357    USB_PACKET_CANCELED,
 358} USBPacketState;
 359
 360/* Structure used to hold information about an active USB packet.  */
 361struct USBPacket {
 362    /* Data fields for use by the driver.  */
 363    int pid;
 364    uint64_t id;
 365    USBEndpoint *ep;
 366    unsigned int stream;
 367    QEMUIOVector iov;
 368    uint64_t parameter; /* control transfers */
 369    bool short_not_ok;
 370    bool int_req;
 371    int status; /* USB_RET_* status code */
 372    int actual_length; /* Number of bytes actually transferred */
 373    /* Internal use by the USB layer.  */
 374    USBPacketState state;
 375    USBCombinedPacket *combined;
 376    QTAILQ_ENTRY(USBPacket) queue;
 377    QTAILQ_ENTRY(USBPacket) combined_entry;
 378};
 379
 380struct USBCombinedPacket {
 381    USBPacket *first;
 382    QTAILQ_HEAD(packets_head, USBPacket) packets;
 383    QEMUIOVector iov;
 384};
 385
 386void usb_packet_init(USBPacket *p);
 387void usb_packet_set_state(USBPacket *p, USBPacketState state);
 388void usb_packet_check_state(USBPacket *p, USBPacketState expected);
 389void usb_packet_setup(USBPacket *p, int pid,
 390                      USBEndpoint *ep, unsigned int stream,
 391                      uint64_t id, bool short_not_ok, bool int_req);
 392void usb_packet_addbuf(USBPacket *p, void *ptr, size_t len);
 393int usb_packet_map(USBPacket *p, QEMUSGList *sgl);
 394void usb_packet_unmap(USBPacket *p, QEMUSGList *sgl);
 395void usb_packet_copy(USBPacket *p, void *ptr, size_t bytes);
 396void usb_packet_skip(USBPacket *p, size_t bytes);
 397size_t usb_packet_size(USBPacket *p);
 398void usb_packet_cleanup(USBPacket *p);
 399
 400static inline bool usb_packet_is_inflight(USBPacket *p)
 401{
 402    return (p->state == USB_PACKET_QUEUED ||
 403            p->state == USB_PACKET_ASYNC);
 404}
 405
 406USBDevice *usb_find_device(USBPort *port, uint8_t addr);
 407
 408void usb_handle_packet(USBDevice *dev, USBPacket *p);
 409void usb_packet_complete(USBDevice *dev, USBPacket *p);
 410void usb_packet_complete_one(USBDevice *dev, USBPacket *p);
 411void usb_cancel_packet(USBPacket * p);
 412
 413void usb_ep_init(USBDevice *dev);
 414void usb_ep_reset(USBDevice *dev);
 415void usb_ep_dump(USBDevice *dev);
 416struct USBEndpoint *usb_ep_get(USBDevice *dev, int pid, int ep);
 417uint8_t usb_ep_get_type(USBDevice *dev, int pid, int ep);
 418uint8_t usb_ep_get_ifnum(USBDevice *dev, int pid, int ep);
 419void usb_ep_set_type(USBDevice *dev, int pid, int ep, uint8_t type);
 420void usb_ep_set_ifnum(USBDevice *dev, int pid, int ep, uint8_t ifnum);
 421void usb_ep_set_max_packet_size(USBDevice *dev, int pid, int ep,
 422                                uint16_t raw);
 423int usb_ep_get_max_packet_size(USBDevice *dev, int pid, int ep);
 424void usb_ep_set_pipeline(USBDevice *dev, int pid, int ep, bool enabled);
 425void usb_ep_set_halted(USBDevice *dev, int pid, int ep, bool halted);
 426USBPacket *usb_ep_find_packet_by_id(USBDevice *dev, int pid, int ep,
 427                                    uint64_t id);
 428
 429void usb_ep_combine_input_packets(USBEndpoint *ep);
 430void usb_combined_input_packet_complete(USBDevice *dev, USBPacket *p);
 431void usb_combined_packet_cancel(USBDevice *dev, USBPacket *p);
 432
 433void usb_attach(USBPort *port);
 434void usb_detach(USBPort *port);
 435void usb_port_reset(USBPort *port);
 436void usb_device_reset(USBDevice *dev);
 437void usb_wakeup(USBEndpoint *ep, unsigned int stream);
 438void usb_generic_async_ctrl_complete(USBDevice *s, USBPacket *p);
 439int set_usb_string(uint8_t *buf, const char *str);
 440
 441/* usb-linux.c */
 442USBDevice *usb_host_device_open(USBBus *bus, const char *devname);
 443void usb_host_info(Monitor *mon, const QDict *qdict);
 444
 445/* usb-bt.c */
 446USBDevice *usb_bt_init(USBBus *bus, HCIInfo *hci);
 447
 448/* usb ports of the VM */
 449
 450#define VM_USB_HUB_SIZE 8
 451
 452/* usb-musb.c */
 453enum musb_irq_source_e {
 454    musb_irq_suspend = 0,
 455    musb_irq_resume,
 456    musb_irq_rst_babble,
 457    musb_irq_sof,
 458    musb_irq_connect,
 459    musb_irq_disconnect,
 460    musb_irq_vbus_request,
 461    musb_irq_vbus_error,
 462    musb_irq_rx,
 463    musb_irq_tx,
 464    musb_set_vbus,
 465    musb_set_session,
 466    /* Add new interrupts here */
 467    musb_irq_max, /* total number of interrupts defined */
 468};
 469
 470typedef struct MUSBState MUSBState;
 471MUSBState *musb_init(DeviceState *parent_device, int gpio_base);
 472void musb_reset(MUSBState *s);
 473uint32_t musb_core_intr_get(MUSBState *s);
 474void musb_core_intr_clear(MUSBState *s, uint32_t mask);
 475void musb_set_size(MUSBState *s, int epnum, int size, int is_tx);
 476
 477/* usb-bus.c */
 478
 479#define TYPE_USB_BUS "usb-bus"
 480#define USB_BUS(obj) OBJECT_CHECK(USBBus, (obj), TYPE_USB_BUS)
 481
 482struct USBBus {
 483    BusState qbus;
 484    USBBusOps *ops;
 485    int busnr;
 486    int nfree;
 487    int nused;
 488    QTAILQ_HEAD(, USBPort) free;
 489    QTAILQ_HEAD(, USBPort) used;
 490    QTAILQ_ENTRY(USBBus) next;
 491};
 492
 493struct USBBusOps {
 494    int (*register_companion)(USBBus *bus, USBPort *ports[],
 495                              uint32_t portcount, uint32_t firstport);
 496    void (*wakeup_endpoint)(USBBus *bus, USBEndpoint *ep, unsigned int stream);
 497};
 498
 499void usb_bus_new(USBBus *bus, USBBusOps *ops, DeviceState *host);
 500USBBus *usb_bus_find(int busnr);
 501void usb_legacy_register(const char *typename, const char *usbdevice_name,
 502                         USBDevice *(*usbdevice_init)(USBBus *bus,
 503                                                      const char *params));
 504USBDevice *usb_create(USBBus *bus, const char *name);
 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);
 509int usb_register_companion(const char *masterbus, USBPort *ports[],
 510                           uint32_t portcount, uint32_t firstport,
 511                           void *opaque, USBPortOps *ops, int speedmask);
 512void usb_port_location(USBPort *downstream, USBPort *upstream, int portnr);
 513void usb_unregister_port(USBBus *bus, USBPort *port);
 514int usb_claim_port(USBDevice *dev);
 515void usb_release_port(USBDevice *dev);
 516int usb_device_attach(USBDevice *dev);
 517int usb_device_detach(USBDevice *dev);
 518int usb_device_delete_addr(int busnr, int addr);
 519
 520static inline USBBus *usb_bus_from_device(USBDevice *d)
 521{
 522    return DO_UPCAST(USBBus, qbus, d->qdev.parent_bus);
 523}
 524
 525extern const VMStateDescription vmstate_usb_device;
 526
 527#define VMSTATE_USB_DEVICE(_field, _state) {                         \
 528    .name       = (stringify(_field)),                               \
 529    .size       = sizeof(USBDevice),                                 \
 530    .vmsd       = &vmstate_usb_device,                               \
 531    .flags      = VMS_STRUCT,                                        \
 532    .offset     = vmstate_offset_value(_state, _field, USBDevice),   \
 533}
 534
 535USBDevice *usb_device_find_device(USBDevice *dev, uint8_t addr);
 536
 537void usb_device_cancel_packet(USBDevice *dev, USBPacket *p);
 538
 539void usb_device_handle_attach(USBDevice *dev);
 540
 541void usb_device_handle_reset(USBDevice *dev);
 542
 543void usb_device_handle_control(USBDevice *dev, USBPacket *p, int request,
 544                               int val, int index, int length, uint8_t *data);
 545
 546void usb_device_handle_data(USBDevice *dev, USBPacket *p);
 547
 548void usb_device_set_interface(USBDevice *dev, int interface,
 549                              int alt_old, int alt_new);
 550
 551void usb_device_flush_ep_queue(USBDevice *dev, USBEndpoint *ep);
 552
 553void usb_device_ep_stopped(USBDevice *dev, USBEndpoint *ep);
 554
 555const char *usb_device_get_product_desc(USBDevice *dev);
 556
 557const USBDesc *usb_device_get_usb_desc(USBDevice *dev);
 558
 559int ehci_create_ich9_with_companions(PCIBus *bus, int slot);
 560
 561/* quirks.c */
 562
 563/* In bulk endpoints are streaming data sources (iow behave like isoc eps) */
 564#define USB_QUIRK_BUFFER_BULK_IN        0x01
 565/* Bulk pkts in FTDI format, need special handling when combining packets */
 566#define USB_QUIRK_IS_FTDI               0x02
 567
 568int usb_get_quirks(uint16_t vendor_id, uint16_t product_id,
 569                   uint8_t interface_class, uint8_t interface_subclass,
 570                   uint8_t interface_protocol);
 571
 572#endif
 573