1#ifndef QEMU_USB_H
2#define QEMU_USB_H
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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
35#define USB_SBRN 0x60
36#define USB_RELEASE_1 0x10
37#define USB_RELEASE_2 0x20
38#define USB_RELEASE_3 0x30
39
40#define USB_TOKEN_SETUP 0x2d
41#define USB_TOKEN_IN 0x69
42#define USB_TOKEN_OUT 0xe1
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
67#define USB_STATE_DEFAULT 3
68
69
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)
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
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
238 int speed;
239
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;
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;
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285 USBDevice *(*find_device)(USBDevice *dev, uint8_t addr);
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290 void (*cancel_packet)(USBDevice *dev, USBPacket *p);
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295 void (*handle_attach)(USBDevice *dev);
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300 void (*handle_reset)(USBDevice *dev);
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309 void (*handle_control)(USBDevice *dev, USBPacket *p, int request, int value,
310 int index, int length, uint8_t *data);
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319 void (*handle_data)(USBDevice *dev, USBPacket *p);
320
321 void (*set_interface)(USBDevice *dev, int interface,
322 int alt_old, int alt_new);
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328 void (*flush_ep_queue)(USBDevice *dev, USBEndpoint *ep);
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334 void (*ep_stopped)(USBDevice *dev, USBEndpoint *ep);
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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);
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356 void (*child_detach)(USBPort *port, USBDevice *child);
357 void (*wakeup)(USBPort *port);
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362 void (*complete)(USBPort *port, USBPacket *p);
363} USBPortOps;
364
365
366struct USBPort {
367 USBDevice *dev;
368 int speedmask;
369 int hubcount;
370 char path[16];
371 USBPortOps *ops;
372 void *opaque;
373 int index;
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
389struct USBPacket {
390
391 int pid;
392 uint64_t id;
393 USBEndpoint *ep;
394 unsigned int stream;
395 QEMUIOVector iov;
396 uint64_t parameter;
397 bool short_not_ok;
398 bool int_req;
399 int status;
400 int actual_length;
401
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
468void hmp_info_usbhost(Monitor *mon, const QDict *qdict);
469
470
471
472#define VM_USB_HUB_SIZE 8
473
474
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
570
571
572#define USB_QUIRK_BUFFER_BULK_IN 0x01
573
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
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