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 "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, Error **errp);
 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