xref: /qemu/include/hw/usb.h (revision ccced963)
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 #include "qapi/error.h"
34 
35 /* Constants related to the USB / PCI interaction */
36 #define USB_SBRN    0x60 /* Serial Bus Release Number Register */
37 #define USB_RELEASE_1  0x10 /* USB 1.0 */
38 #define USB_RELEASE_2  0x20 /* USB 2.0 */
39 #define USB_RELEASE_3  0x30 /* USB 3.0 */
40 
41 #define USB_TOKEN_SETUP 0x2d
42 #define USB_TOKEN_IN    0x69 /* device -> host */
43 #define USB_TOKEN_OUT   0xe1 /* host -> device */
44 
45 #define USB_RET_SUCCESS           (0)
46 #define USB_RET_NODEV             (-1)
47 #define USB_RET_NAK               (-2)
48 #define USB_RET_STALL             (-3)
49 #define USB_RET_BABBLE            (-4)
50 #define USB_RET_IOERROR           (-5)
51 #define USB_RET_ASYNC             (-6)
52 #define USB_RET_ADD_TO_QUEUE      (-7)
53 #define USB_RET_REMOVE_FROM_QUEUE (-8)
54 
55 #define USB_SPEED_LOW   0
56 #define USB_SPEED_FULL  1
57 #define USB_SPEED_HIGH  2
58 #define USB_SPEED_SUPER 3
59 
60 #define USB_SPEED_MASK_LOW   (1 << USB_SPEED_LOW)
61 #define USB_SPEED_MASK_FULL  (1 << USB_SPEED_FULL)
62 #define USB_SPEED_MASK_HIGH  (1 << USB_SPEED_HIGH)
63 #define USB_SPEED_MASK_SUPER (1 << USB_SPEED_SUPER)
64 
65 #define USB_STATE_NOTATTACHED 0
66 #define USB_STATE_ATTACHED    1
67 //#define USB_STATE_POWERED     2
68 #define USB_STATE_DEFAULT     3
69 //#define USB_STATE_ADDRESS     4
70 //#define       USB_STATE_CONFIGURED  5
71 #define USB_STATE_SUSPENDED   6
72 
73 #define USB_CLASS_AUDIO                 1
74 #define USB_CLASS_COMM                  2
75 #define USB_CLASS_HID                   3
76 #define USB_CLASS_PHYSICAL              5
77 #define USB_CLASS_STILL_IMAGE           6
78 #define USB_CLASS_PRINTER               7
79 #define USB_CLASS_MASS_STORAGE          8
80 #define USB_CLASS_HUB                   9
81 #define USB_CLASS_CDC_DATA              0x0a
82 #define USB_CLASS_CSCID                 0x0b
83 #define USB_CLASS_CONTENT_SEC           0x0d
84 #define USB_CLASS_APP_SPEC              0xfe
85 #define USB_CLASS_VENDOR_SPEC           0xff
86 
87 #define USB_SUBCLASS_UNDEFINED          0
88 #define USB_SUBCLASS_AUDIO_CONTROL      1
89 #define USB_SUBCLASS_AUDIO_STREAMING    2
90 #define USB_SUBCLASS_AUDIO_MIDISTREAMING 3
91 
92 #define USB_DIR_OUT                     0
93 #define USB_DIR_IN                      0x80
94 
95 #define USB_TYPE_MASK                   (0x03 << 5)
96 #define USB_TYPE_STANDARD               (0x00 << 5)
97 #define USB_TYPE_CLASS                  (0x01 << 5)
98 #define USB_TYPE_VENDOR                 (0x02 << 5)
99 #define USB_TYPE_RESERVED               (0x03 << 5)
100 
101 #define USB_RECIP_MASK                  0x1f
102 #define USB_RECIP_DEVICE                0x00
103 #define USB_RECIP_INTERFACE             0x01
104 #define USB_RECIP_ENDPOINT              0x02
105 #define USB_RECIP_OTHER                 0x03
106 
107 #define DeviceRequest ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8)
108 #define DeviceOutRequest ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8)
109 #define VendorDeviceRequest ((USB_DIR_IN|USB_TYPE_VENDOR|USB_RECIP_DEVICE)<<8)
110 #define VendorDeviceOutRequest \
111         ((USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_DEVICE)<<8)
112 
113 #define InterfaceRequest                                        \
114         ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8)
115 #define InterfaceOutRequest \
116         ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8)
117 #define ClassInterfaceRequest \
118         ((USB_DIR_IN|USB_TYPE_CLASS|USB_RECIP_INTERFACE)<<8)
119 #define ClassInterfaceOutRequest \
120         ((USB_DIR_OUT|USB_TYPE_CLASS|USB_RECIP_INTERFACE)<<8)
121 #define VendorInterfaceRequest \
122         ((USB_DIR_IN|USB_TYPE_VENDOR|USB_RECIP_INTERFACE)<<8)
123 #define VendorInterfaceOutRequest \
124         ((USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE)<<8)
125 
126 #define EndpointRequest ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8)
127 #define EndpointOutRequest \
128         ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8)
129 
130 #define USB_REQ_GET_STATUS              0x00
131 #define USB_REQ_CLEAR_FEATURE           0x01
132 #define USB_REQ_SET_FEATURE             0x03
133 #define USB_REQ_SET_ADDRESS             0x05
134 #define USB_REQ_GET_DESCRIPTOR          0x06
135 #define USB_REQ_SET_DESCRIPTOR          0x07
136 #define USB_REQ_GET_CONFIGURATION       0x08
137 #define USB_REQ_SET_CONFIGURATION       0x09
138 #define USB_REQ_GET_INTERFACE           0x0A
139 #define USB_REQ_SET_INTERFACE           0x0B
140 #define USB_REQ_SYNCH_FRAME             0x0C
141 #define USB_REQ_SET_SEL                 0x30
142 #define USB_REQ_SET_ISOCH_DELAY         0x31
143 
144 #define USB_DEVICE_SELF_POWERED         0
145 #define USB_DEVICE_REMOTE_WAKEUP        1
146 
147 #define USB_DT_DEVICE                   0x01
148 #define USB_DT_CONFIG                   0x02
149 #define USB_DT_STRING                   0x03
150 #define USB_DT_INTERFACE                0x04
151 #define USB_DT_ENDPOINT                 0x05
152 #define USB_DT_DEVICE_QUALIFIER         0x06
153 #define USB_DT_OTHER_SPEED_CONFIG       0x07
154 #define USB_DT_DEBUG                    0x0A
155 #define USB_DT_INTERFACE_ASSOC          0x0B
156 #define USB_DT_BOS                      0x0F
157 #define USB_DT_DEVICE_CAPABILITY        0x10
158 #define USB_DT_CS_INTERFACE             0x24
159 #define USB_DT_CS_ENDPOINT              0x25
160 #define USB_DT_ENDPOINT_COMPANION       0x30
161 
162 #define USB_DEV_CAP_WIRELESS            0x01
163 #define USB_DEV_CAP_USB2_EXT            0x02
164 #define USB_DEV_CAP_SUPERSPEED          0x03
165 
166 #define USB_CFG_ATT_ONE              (1 << 7) /* should always be set */
167 #define USB_CFG_ATT_SELFPOWER        (1 << 6)
168 #define USB_CFG_ATT_WAKEUP           (1 << 5)
169 #define USB_CFG_ATT_BATTERY          (1 << 4)
170 
171 #define USB_ENDPOINT_XFER_CONTROL       0
172 #define USB_ENDPOINT_XFER_ISOC          1
173 #define USB_ENDPOINT_XFER_BULK          2
174 #define USB_ENDPOINT_XFER_INT           3
175 #define USB_ENDPOINT_XFER_INVALID     255
176 
177 #define USB_INTERFACE_INVALID         255
178 
179 typedef struct USBBusOps USBBusOps;
180 typedef struct USBPort USBPort;
181 typedef struct USBDevice USBDevice;
182 typedef struct USBPacket USBPacket;
183 typedef struct USBCombinedPacket USBCombinedPacket;
184 typedef struct USBEndpoint USBEndpoint;
185 
186 typedef struct USBDesc USBDesc;
187 typedef struct USBDescID USBDescID;
188 typedef struct USBDescDevice USBDescDevice;
189 typedef struct USBDescConfig USBDescConfig;
190 typedef struct USBDescIfaceAssoc USBDescIfaceAssoc;
191 typedef struct USBDescIface USBDescIface;
192 typedef struct USBDescEndpoint USBDescEndpoint;
193 typedef struct USBDescOther USBDescOther;
194 typedef struct USBDescString USBDescString;
195 typedef struct USBDescMSOS USBDescMSOS;
196 
197 struct USBDescString {
198     uint8_t index;
199     char *str;
200     QLIST_ENTRY(USBDescString) next;
201 };
202 
203 #define USB_MAX_ENDPOINTS  15
204 #define USB_MAX_INTERFACES 16
205 
206 struct USBEndpoint {
207     uint8_t nr;
208     uint8_t pid;
209     uint8_t type;
210     uint8_t ifnum;
211     int max_packet_size;
212     int max_streams;
213     bool pipeline;
214     bool halted;
215     USBDevice *dev;
216     QTAILQ_HEAD(, USBPacket) queue;
217 };
218 
219 enum USBDeviceFlags {
220     USB_DEV_FLAG_IS_HOST,
221     USB_DEV_FLAG_MSOS_DESC_ENABLE,
222     USB_DEV_FLAG_MSOS_DESC_IN_USE,
223     USB_DEV_FLAG_IS_SCSI_STORAGE,
224 };
225 
226 /* definition of a USB device */
227 struct USBDevice {
228     DeviceState qdev;
229     USBPort *port;
230     char *port_path;
231     char *serial;
232     void *opaque;
233     uint32_t flags;
234 
235     char *pcap_filename;
236     FILE *pcap;
237 
238     /* Actual connected speed */
239     int speed;
240     /* Supported speeds, not in info because it may be variable (hostdevs) */
241     int speedmask;
242     uint8_t addr;
243     char product_desc[32];
244     int auto_attach;
245     bool attached;
246 
247     int32_t state;
248     uint8_t setup_buf[8];
249     uint8_t data_buf[4096];
250     int32_t remote_wakeup;
251     int32_t setup_state;
252     int32_t setup_len;
253     int32_t setup_index;
254 
255     USBEndpoint ep_ctl;
256     USBEndpoint ep_in[USB_MAX_ENDPOINTS];
257     USBEndpoint ep_out[USB_MAX_ENDPOINTS];
258 
259     QLIST_HEAD(, USBDescString) strings;
260     const USBDesc *usb_desc; /* Overrides class usb_desc if not NULL */
261     const USBDescDevice *device;
262 
263     int configuration;
264     int ninterfaces;
265     int altsetting[USB_MAX_INTERFACES];
266     const USBDescConfig *config;
267     const USBDescIface  *ifaces[USB_MAX_INTERFACES];
268 };
269 
270 #define TYPE_USB_DEVICE "usb-device"
271 OBJECT_DECLARE_TYPE(USBDevice, USBDeviceClass, USB_DEVICE)
272 
273 typedef void (*USBDeviceRealize)(USBDevice *dev, Error **errp);
274 typedef void (*USBDeviceUnrealize)(USBDevice *dev);
275 
276 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 };
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(, 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 
usb_packet_is_inflight(USBPacket * p)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 
471 /* usb ports of the VM */
472 
473 #define VM_USB_HUB_SIZE 8
474 
475 /* usb-bus.c */
476 
477 #define TYPE_USB_BUS "usb-bus"
478 OBJECT_DECLARE_SIMPLE_TYPE(USBBus, USB_BUS)
479 
480 struct USBBus {
481     BusState qbus;
482     USBBusOps *ops;
483     int busnr;
484     int nfree;
485     int nused;
486     QTAILQ_HEAD(, USBPort) free;
487     QTAILQ_HEAD(, USBPort) used;
488     QTAILQ_ENTRY(USBBus) next;
489 };
490 
491 struct USBBusOps {
492     void (*register_companion)(USBBus *bus, USBPort *ports[],
493                                uint32_t portcount, uint32_t firstport,
494                                Error **errp);
495     void (*wakeup_endpoint)(USBBus *bus, USBEndpoint *ep, unsigned int stream);
496 };
497 
498 void usb_bus_new(USBBus *bus, size_t bus_size,
499                  USBBusOps *ops, DeviceState *host);
500 void usb_bus_release(USBBus *bus);
501 void usb_legacy_register(const char *typename, const char *usbdevice_name,
502                          USBDevice *(*usbdevice_init)(void));
503 USBDevice *usbdevice_create(const char *cmdline);
504 void usb_register_port(USBBus *bus, USBPort *port, void *opaque, int index,
505                        USBPortOps *ops, int speedmask);
506 void usb_register_companion(const char *masterbus, USBPort *ports[],
507                             uint32_t portcount, uint32_t firstport,
508                             void *opaque, USBPortOps *ops, int speedmask,
509                             Error **errp);
510 void usb_port_location(USBPort *downstream, USBPort *upstream, int portnr);
511 void usb_unregister_port(USBBus *bus, USBPort *port);
512 void usb_claim_port(USBDevice *dev, Error **errp);
513 void usb_release_port(USBDevice *dev);
514 void usb_device_attach(USBDevice *dev, Error **errp);
515 int usb_device_detach(USBDevice *dev);
516 void usb_check_attach(USBDevice *dev, Error **errp);
517 
usb_bus_from_device(USBDevice * d)518 static inline USBBus *usb_bus_from_device(USBDevice *d)
519 {
520     return DO_UPCAST(USBBus, qbus, d->qdev.parent_bus);
521 }
522 
523 extern const VMStateDescription vmstate_usb_device;
524 
525 #define VMSTATE_USB_DEVICE(_field, _state) {                         \
526     .name       = (stringify(_field)),                               \
527     .size       = sizeof(USBDevice),                                 \
528     .vmsd       = &vmstate_usb_device,                               \
529     .flags      = VMS_STRUCT,                                        \
530     .offset     = vmstate_offset_value(_state, _field, USBDevice),   \
531 }
532 
533 USBDevice *usb_device_find_device(USBDevice *dev, uint8_t addr);
534 
535 void usb_device_cancel_packet(USBDevice *dev, USBPacket *p);
536 
537 void usb_device_handle_attach(USBDevice *dev);
538 
539 void usb_device_handle_reset(USBDevice *dev);
540 
541 void usb_device_handle_control(USBDevice *dev, USBPacket *p, int request,
542                                int val, int index, int length, uint8_t *data);
543 
544 void usb_device_handle_data(USBDevice *dev, USBPacket *p);
545 
546 void usb_device_set_interface(USBDevice *dev, int interface,
547                               int alt_old, int alt_new);
548 
549 void usb_device_flush_ep_queue(USBDevice *dev, USBEndpoint *ep);
550 
551 void usb_device_ep_stopped(USBDevice *dev, USBEndpoint *ep);
552 
553 int usb_device_alloc_streams(USBDevice *dev, USBEndpoint **eps, int nr_eps,
554                              int streams);
555 void usb_device_free_streams(USBDevice *dev, USBEndpoint **eps, int nr_eps);
556 
557 const char *usb_device_get_product_desc(USBDevice *dev);
558 
559 const USBDesc *usb_device_get_usb_desc(USBDevice *dev);
560 
usb_device_is_scsi_storage(USBDevice * dev)561 static inline bool usb_device_is_scsi_storage(USBDevice *dev)
562 {
563     return dev->flags & (1 << USB_DEV_FLAG_IS_SCSI_STORAGE);
564 }
565 
566 /* quirks.c */
567 
568 /* In bulk endpoints are streaming data sources (iow behave like isoc eps) */
569 #define USB_QUIRK_BUFFER_BULK_IN        0x01
570 /* Bulk pkts in FTDI format, need special handling when combining packets */
571 #define USB_QUIRK_IS_FTDI               0x02
572 
573 int usb_get_quirks(uint16_t vendor_id, uint16_t product_id,
574                    uint8_t interface_class, uint8_t interface_subclass,
575                    uint8_t interface_protocol);
576 
577 /* pcap.c */
578 void usb_pcap_init(FILE *fp);
579 void usb_pcap_ctrl(USBPacket *p, bool setup);
580 void usb_pcap_data(USBPacket *p, bool setup);
581 
usb_new(const char * name)582 static inline USBDevice *usb_new(const char *name)
583 {
584     return USB_DEVICE(qdev_new(name));
585 }
586 
usb_try_new(const char * name)587 static inline USBDevice *usb_try_new(const char *name)
588 {
589     return USB_DEVICE(qdev_try_new(name));
590 }
591 
usb_realize_and_unref(USBDevice * dev,USBBus * bus,Error ** errp)592 static inline bool usb_realize_and_unref(USBDevice *dev, USBBus *bus, Error **errp)
593 {
594     return qdev_realize_and_unref(&dev->qdev, &bus->qbus, errp);
595 }
596 
usb_create_simple(USBBus * bus,const char * name)597 static inline USBDevice *usb_create_simple(USBBus *bus, const char *name)
598 {
599     USBDevice *dev = usb_new(name);
600 
601     usb_realize_and_unref(dev, bus, &error_abort);
602     return dev;
603 }
604 
605 #endif
606