1#ifndef QEMU_USB_H
2#define QEMU_USB_H
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28#include "hw/qdev.h"
29#include "qemu/iov.h"
30#include "qemu/queue.h"
31
32
33#define USB_SBRN 0x60
34#define USB_RELEASE_1 0x10
35#define USB_RELEASE_2 0x20
36#define USB_RELEASE_3 0x30
37
38#define USB_TOKEN_SETUP 0x2d
39#define USB_TOKEN_IN 0x69
40#define USB_TOKEN_OUT 0xe1
41
42#define USB_RET_SUCCESS (0)
43#define USB_RET_NODEV (-1)
44#define USB_RET_NAK (-2)
45#define USB_RET_STALL (-3)
46#define USB_RET_BABBLE (-4)
47#define USB_RET_IOERROR (-5)
48#define USB_RET_ASYNC (-6)
49#define USB_RET_ADD_TO_QUEUE (-7)
50#define USB_RET_REMOVE_FROM_QUEUE (-8)
51
52#define USB_SPEED_LOW 0
53#define USB_SPEED_FULL 1
54#define USB_SPEED_HIGH 2
55#define USB_SPEED_SUPER 3
56
57#define USB_SPEED_MASK_LOW (1 << USB_SPEED_LOW)
58#define USB_SPEED_MASK_FULL (1 << USB_SPEED_FULL)
59#define USB_SPEED_MASK_HIGH (1 << USB_SPEED_HIGH)
60#define USB_SPEED_MASK_SUPER (1 << USB_SPEED_SUPER)
61
62#define USB_STATE_NOTATTACHED 0
63#define USB_STATE_ATTACHED 1
64
65#define USB_STATE_DEFAULT 3
66
67
68#define USB_STATE_SUSPENDED 6
69
70#define USB_CLASS_AUDIO 1
71#define USB_CLASS_COMM 2
72#define USB_CLASS_HID 3
73#define USB_CLASS_PHYSICAL 5
74#define USB_CLASS_STILL_IMAGE 6
75#define USB_CLASS_PRINTER 7
76#define USB_CLASS_MASS_STORAGE 8
77#define USB_CLASS_HUB 9
78#define USB_CLASS_CDC_DATA 0x0a
79#define USB_CLASS_CSCID 0x0b
80#define USB_CLASS_CONTENT_SEC 0x0d
81#define USB_CLASS_APP_SPEC 0xfe
82#define USB_CLASS_VENDOR_SPEC 0xff
83
84#define USB_SUBCLASS_UNDEFINED 0
85#define USB_SUBCLASS_AUDIO_CONTROL 1
86#define USB_SUBCLASS_AUDIO_STREAMING 2
87#define USB_SUBCLASS_AUDIO_MIDISTREAMING 3
88
89#define USB_DIR_OUT 0
90#define USB_DIR_IN 0x80
91
92#define USB_TYPE_MASK (0x03 << 5)
93#define USB_TYPE_STANDARD (0x00 << 5)
94#define USB_TYPE_CLASS (0x01 << 5)
95#define USB_TYPE_VENDOR (0x02 << 5)
96#define USB_TYPE_RESERVED (0x03 << 5)
97
98#define USB_RECIP_MASK 0x1f
99#define USB_RECIP_DEVICE 0x00
100#define USB_RECIP_INTERFACE 0x01
101#define USB_RECIP_ENDPOINT 0x02
102#define USB_RECIP_OTHER 0x03
103
104#define DeviceRequest ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8)
105#define DeviceOutRequest ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8)
106#define VendorDeviceRequest ((USB_DIR_IN|USB_TYPE_VENDOR|USB_RECIP_DEVICE)<<8)
107#define VendorDeviceOutRequest \
108 ((USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_DEVICE)<<8)
109
110#define InterfaceRequest \
111 ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8)
112#define InterfaceOutRequest \
113 ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8)
114#define ClassInterfaceRequest \
115 ((USB_DIR_IN|USB_TYPE_CLASS|USB_RECIP_INTERFACE)<<8)
116#define ClassInterfaceOutRequest \
117 ((USB_DIR_OUT|USB_TYPE_CLASS|USB_RECIP_INTERFACE)<<8)
118#define VendorInterfaceRequest \
119 ((USB_DIR_IN|USB_TYPE_VENDOR|USB_RECIP_INTERFACE)<<8)
120#define VendorInterfaceOutRequest \
121 ((USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE)<<8)
122
123#define EndpointRequest ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8)
124#define EndpointOutRequest \
125 ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8)
126
127#define USB_REQ_GET_STATUS 0x00
128#define USB_REQ_CLEAR_FEATURE 0x01
129#define USB_REQ_SET_FEATURE 0x03
130#define USB_REQ_SET_ADDRESS 0x05
131#define USB_REQ_GET_DESCRIPTOR 0x06
132#define USB_REQ_SET_DESCRIPTOR 0x07
133#define USB_REQ_GET_CONFIGURATION 0x08
134#define USB_REQ_SET_CONFIGURATION 0x09
135#define USB_REQ_GET_INTERFACE 0x0A
136#define USB_REQ_SET_INTERFACE 0x0B
137#define USB_REQ_SYNCH_FRAME 0x0C
138
139#define USB_DEVICE_SELF_POWERED 0
140#define USB_DEVICE_REMOTE_WAKEUP 1
141
142#define USB_DT_DEVICE 0x01
143#define USB_DT_CONFIG 0x02
144#define USB_DT_STRING 0x03
145#define USB_DT_INTERFACE 0x04
146#define USB_DT_ENDPOINT 0x05
147#define USB_DT_DEVICE_QUALIFIER 0x06
148#define USB_DT_OTHER_SPEED_CONFIG 0x07
149#define USB_DT_DEBUG 0x0A
150#define USB_DT_INTERFACE_ASSOC 0x0B
151#define USB_DT_BOS 0x0F
152#define USB_DT_DEVICE_CAPABILITY 0x10
153#define USB_DT_CS_INTERFACE 0x24
154#define USB_DT_CS_ENDPOINT 0x25
155#define USB_DT_ENDPOINT_COMPANION 0x30
156
157#define USB_DEV_CAP_WIRELESS 0x01
158#define USB_DEV_CAP_USB2_EXT 0x02
159#define USB_DEV_CAP_SUPERSPEED 0x03
160
161#define USB_CFG_ATT_ONE (1 << 7)
162#define USB_CFG_ATT_SELFPOWER (1 << 6)
163#define USB_CFG_ATT_WAKEUP (1 << 5)
164#define USB_CFG_ATT_BATTERY (1 << 4)
165
166#define USB_ENDPOINT_XFER_CONTROL 0
167#define USB_ENDPOINT_XFER_ISOC 1
168#define USB_ENDPOINT_XFER_BULK 2
169#define USB_ENDPOINT_XFER_INT 3
170#define USB_ENDPOINT_XFER_INVALID 255
171
172#define USB_INTERFACE_INVALID 255
173
174typedef struct USBBus USBBus;
175typedef struct USBBusOps USBBusOps;
176typedef struct USBPort USBPort;
177typedef struct USBDevice USBDevice;
178typedef struct USBPacket USBPacket;
179typedef struct USBCombinedPacket USBCombinedPacket;
180typedef struct USBEndpoint USBEndpoint;
181
182typedef struct USBDesc USBDesc;
183typedef struct USBDescID USBDescID;
184typedef struct USBDescDevice USBDescDevice;
185typedef struct USBDescConfig USBDescConfig;
186typedef struct USBDescIfaceAssoc USBDescIfaceAssoc;
187typedef struct USBDescIface USBDescIface;
188typedef struct USBDescEndpoint USBDescEndpoint;
189typedef struct USBDescOther USBDescOther;
190typedef struct USBDescString USBDescString;
191typedef struct USBDescMSOS USBDescMSOS;
192
193struct USBDescString {
194 uint8_t index;
195 char *str;
196 QLIST_ENTRY(USBDescString) next;
197};
198
199#define USB_MAX_ENDPOINTS 15
200#define USB_MAX_INTERFACES 16
201
202struct USBEndpoint {
203 uint8_t nr;
204 uint8_t pid;
205 uint8_t type;
206 uint8_t ifnum;
207 int max_packet_size;
208 int max_streams;
209 bool pipeline;
210 bool halted;
211 USBDevice *dev;
212 QTAILQ_HEAD(, USBPacket) queue;
213};
214
215enum USBDeviceFlags {
216 USB_DEV_FLAG_FULL_PATH,
217 USB_DEV_FLAG_IS_HOST,
218 USB_DEV_FLAG_MSOS_DESC_ENABLE,
219 USB_DEV_FLAG_MSOS_DESC_IN_USE,
220};
221
222
223struct USBDevice {
224 DeviceState qdev;
225 USBPort *port;
226 char *port_path;
227 char *serial;
228 void *opaque;
229 uint32_t flags;
230
231
232 int speed;
233
234 int speedmask;
235 uint8_t addr;
236 char product_desc[32];
237 int auto_attach;
238 bool attached;
239
240 int32_t state;
241 uint8_t setup_buf[8];
242 uint8_t data_buf[4096];
243 int32_t remote_wakeup;
244 int32_t setup_state;
245 int32_t setup_len;
246 int32_t setup_index;
247
248 USBEndpoint ep_ctl;
249 USBEndpoint ep_in[USB_MAX_ENDPOINTS];
250 USBEndpoint ep_out[USB_MAX_ENDPOINTS];
251
252 QLIST_HEAD(, USBDescString) strings;
253 const USBDesc *usb_desc;
254 const USBDescDevice *device;
255
256 int configuration;
257 int ninterfaces;
258 int altsetting[USB_MAX_INTERFACES];
259 const USBDescConfig *config;
260 const USBDescIface *ifaces[USB_MAX_INTERFACES];
261};
262
263#define TYPE_USB_DEVICE "usb-device"
264#define USB_DEVICE(obj) \
265 OBJECT_CHECK(USBDevice, (obj), TYPE_USB_DEVICE)
266#define USB_DEVICE_CLASS(klass) \
267 OBJECT_CLASS_CHECK(USBDeviceClass, (klass), TYPE_USB_DEVICE)
268#define USB_DEVICE_GET_CLASS(obj) \
269 OBJECT_GET_CLASS(USBDeviceClass, (obj), TYPE_USB_DEVICE)
270
271typedef void (*USBDeviceRealize)(USBDevice *dev, Error **errp);
272typedef void (*USBDeviceUnrealize)(USBDevice *dev, Error **errp);
273
274typedef struct USBDeviceClass {
275 DeviceClass parent_class;
276
277 USBDeviceRealize realize;
278 USBDeviceUnrealize unrealize;
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284 USBDevice *(*find_device)(USBDevice *dev, uint8_t addr);
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289 void (*cancel_packet)(USBDevice *dev, USBPacket *p);
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294 void (*handle_destroy)(USBDevice *dev);
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299 void (*handle_attach)(USBDevice *dev);
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304 void (*handle_reset)(USBDevice *dev);
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313 void (*handle_control)(USBDevice *dev, USBPacket *p, int request, int value,
314 int index, int length, uint8_t *data);
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323 void (*handle_data)(USBDevice *dev, USBPacket *p);
324
325 void (*set_interface)(USBDevice *dev, int interface,
326 int alt_old, int alt_new);
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332 void (*flush_ep_queue)(USBDevice *dev, USBEndpoint *ep);
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338 void (*ep_stopped)(USBDevice *dev, USBEndpoint *ep);
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344 int (*alloc_streams)(USBDevice *dev, USBEndpoint **eps, int nr_eps,
345 int streams);
346 void (*free_streams)(USBDevice *dev, USBEndpoint **eps, int nr_eps);
347
348 const char *product_desc;
349 const USBDesc *usb_desc;
350 bool attached_settable;
351} USBDeviceClass;
352
353typedef struct USBPortOps {
354 void (*attach)(USBPort *port);
355 void (*detach)(USBPort *port);
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360 void (*child_detach)(USBPort *port, USBDevice *child);
361 void (*wakeup)(USBPort *port);
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366 void (*complete)(USBPort *port, USBPacket *p);
367} USBPortOps;
368
369
370struct USBPort {
371 USBDevice *dev;
372 int speedmask;
373 int hubcount;
374 char path[16];
375 USBPortOps *ops;
376 void *opaque;
377 int index;
378 QTAILQ_ENTRY(USBPort) next;
379};
380
381typedef void USBCallback(USBPacket * packet, void *opaque);
382
383typedef enum USBPacketState {
384 USB_PACKET_UNDEFINED = 0,
385 USB_PACKET_SETUP,
386 USB_PACKET_QUEUED,
387 USB_PACKET_ASYNC,
388 USB_PACKET_COMPLETE,
389 USB_PACKET_CANCELED,
390} USBPacketState;
391
392
393struct USBPacket {
394
395 int pid;
396 uint64_t id;
397 USBEndpoint *ep;
398 unsigned int stream;
399 QEMUIOVector iov;
400 uint64_t parameter;
401 bool short_not_ok;
402 bool int_req;
403 int status;
404 int actual_length;
405
406 USBPacketState state;
407 USBCombinedPacket *combined;
408 QTAILQ_ENTRY(USBPacket) queue;
409 QTAILQ_ENTRY(USBPacket) combined_entry;
410};
411
412struct USBCombinedPacket {
413 USBPacket *first;
414 QTAILQ_HEAD(packets_head, USBPacket) packets;
415 QEMUIOVector iov;
416};
417
418void usb_packet_init(USBPacket *p);
419void usb_packet_set_state(USBPacket *p, USBPacketState state);
420void usb_packet_check_state(USBPacket *p, USBPacketState expected);
421void usb_packet_setup(USBPacket *p, int pid,
422 USBEndpoint *ep, unsigned int stream,
423 uint64_t id, bool short_not_ok, bool int_req);
424void usb_packet_addbuf(USBPacket *p, void *ptr, size_t len);
425int usb_packet_map(USBPacket *p, QEMUSGList *sgl);
426void usb_packet_unmap(USBPacket *p, QEMUSGList *sgl);
427void usb_packet_copy(USBPacket *p, void *ptr, size_t bytes);
428void usb_packet_skip(USBPacket *p, size_t bytes);
429size_t usb_packet_size(USBPacket *p);
430void usb_packet_cleanup(USBPacket *p);
431
432static inline bool usb_packet_is_inflight(USBPacket *p)
433{
434 return (p->state == USB_PACKET_QUEUED ||
435 p->state == USB_PACKET_ASYNC);
436}
437
438USBDevice *usb_find_device(USBPort *port, uint8_t addr);
439
440void usb_handle_packet(USBDevice *dev, USBPacket *p);
441void usb_packet_complete(USBDevice *dev, USBPacket *p);
442void usb_packet_complete_one(USBDevice *dev, USBPacket *p);
443void usb_cancel_packet(USBPacket * p);
444
445void usb_ep_init(USBDevice *dev);
446void usb_ep_reset(USBDevice *dev);
447void usb_ep_dump(USBDevice *dev);
448struct USBEndpoint *usb_ep_get(USBDevice *dev, int pid, int ep);
449uint8_t usb_ep_get_type(USBDevice *dev, int pid, int ep);
450void usb_ep_set_type(USBDevice *dev, int pid, int ep, uint8_t type);
451void usb_ep_set_ifnum(USBDevice *dev, int pid, int ep, uint8_t ifnum);
452void usb_ep_set_max_packet_size(USBDevice *dev, int pid, int ep,
453 uint16_t raw);
454void usb_ep_set_max_streams(USBDevice *dev, int pid, int ep, uint8_t raw);
455void usb_ep_set_halted(USBDevice *dev, int pid, int ep, bool halted);
456USBPacket *usb_ep_find_packet_by_id(USBDevice *dev, int pid, int ep,
457 uint64_t id);
458
459void usb_ep_combine_input_packets(USBEndpoint *ep);
460void usb_combined_input_packet_complete(USBDevice *dev, USBPacket *p);
461void usb_combined_packet_cancel(USBDevice *dev, USBPacket *p);
462
463void usb_pick_speed(USBPort *port);
464void usb_attach(USBPort *port);
465void usb_detach(USBPort *port);
466void usb_port_reset(USBPort *port);
467void usb_device_reset(USBDevice *dev);
468void usb_wakeup(USBEndpoint *ep, unsigned int stream);
469void usb_generic_async_ctrl_complete(USBDevice *s, USBPacket *p);
470
471
472USBDevice *usb_host_device_open(USBBus *bus, const char *devname);
473void hmp_info_usbhost(Monitor *mon, const QDict *qdict);
474
475
476
477#define VM_USB_HUB_SIZE 8
478
479
480
481enum musb_irq_source_e {
482 musb_irq_suspend = 0,
483 musb_irq_resume,
484 musb_irq_rst_babble,
485 musb_irq_sof,
486 musb_irq_connect,
487 musb_irq_disconnect,
488 musb_irq_vbus_request,
489 musb_irq_vbus_error,
490 musb_irq_rx,
491 musb_irq_tx,
492 musb_set_vbus,
493 musb_set_session,
494
495 musb_irq_max,
496};
497
498typedef struct MUSBState MUSBState;
499
500extern CPUReadMemoryFunc * const musb_read[];
501extern CPUWriteMemoryFunc * const musb_write[];
502
503MUSBState *musb_init(DeviceState *parent_device, int gpio_base);
504void musb_reset(MUSBState *s);
505uint32_t musb_core_intr_get(MUSBState *s);
506void musb_core_intr_clear(MUSBState *s, uint32_t mask);
507void musb_set_size(MUSBState *s, int epnum, int size, int is_tx);
508
509
510
511#define TYPE_USB_BUS "usb-bus"
512#define USB_BUS(obj) OBJECT_CHECK(USBBus, (obj), TYPE_USB_BUS)
513
514struct USBBus {
515 BusState qbus;
516 USBBusOps *ops;
517 int busnr;
518 int nfree;
519 int nused;
520 QTAILQ_HEAD(, USBPort) free;
521 QTAILQ_HEAD(, USBPort) used;
522 QTAILQ_ENTRY(USBBus) next;
523};
524
525struct USBBusOps {
526 void (*register_companion)(USBBus *bus, USBPort *ports[],
527 uint32_t portcount, uint32_t firstport,
528 Error **errp);
529 void (*wakeup_endpoint)(USBBus *bus, USBEndpoint *ep, unsigned int stream);
530};
531
532void usb_bus_new(USBBus *bus, size_t bus_size,
533 USBBusOps *ops, DeviceState *host);
534void usb_bus_release(USBBus *bus);
535USBBus *usb_bus_find(int busnr);
536void usb_legacy_register(const char *typename, const char *usbdevice_name,
537 USBDevice *(*usbdevice_init)(USBBus *bus,
538 const char *params));
539USBDevice *usb_create(USBBus *bus, const char *name);
540USBDevice *usb_create_simple(USBBus *bus, const char *name);
541USBDevice *usbdevice_create(const char *cmdline);
542void usb_register_port(USBBus *bus, USBPort *port, void *opaque, int index,
543 USBPortOps *ops, int speedmask);
544void usb_register_companion(const char *masterbus, USBPort *ports[],
545 uint32_t portcount, uint32_t firstport,
546 void *opaque, USBPortOps *ops, int speedmask,
547 Error **errp);
548void usb_port_location(USBPort *downstream, USBPort *upstream, int portnr);
549void usb_unregister_port(USBBus *bus, USBPort *port);
550void usb_claim_port(USBDevice *dev, Error **errp);
551void usb_release_port(USBDevice *dev);
552void usb_device_attach(USBDevice *dev, Error **errp);
553int usb_device_detach(USBDevice *dev);
554int usb_device_delete_addr(int busnr, int addr);
555void usb_check_attach(USBDevice *dev, Error **errp);
556
557static inline USBBus *usb_bus_from_device(USBDevice *d)
558{
559 return DO_UPCAST(USBBus, qbus, d->qdev.parent_bus);
560}
561
562extern const VMStateDescription vmstate_usb_device;
563
564#define VMSTATE_USB_DEVICE(_field, _state) { \
565 .name = (stringify(_field)), \
566 .size = sizeof(USBDevice), \
567 .vmsd = &vmstate_usb_device, \
568 .flags = VMS_STRUCT, \
569 .offset = vmstate_offset_value(_state, _field, USBDevice), \
570}
571
572USBDevice *usb_device_find_device(USBDevice *dev, uint8_t addr);
573
574void usb_device_cancel_packet(USBDevice *dev, USBPacket *p);
575
576void usb_device_handle_attach(USBDevice *dev);
577
578void usb_device_handle_reset(USBDevice *dev);
579
580void usb_device_handle_control(USBDevice *dev, USBPacket *p, int request,
581 int val, int index, int length, uint8_t *data);
582
583void usb_device_handle_data(USBDevice *dev, USBPacket *p);
584
585void usb_device_set_interface(USBDevice *dev, int interface,
586 int alt_old, int alt_new);
587
588void usb_device_flush_ep_queue(USBDevice *dev, USBEndpoint *ep);
589
590void usb_device_ep_stopped(USBDevice *dev, USBEndpoint *ep);
591
592int usb_device_alloc_streams(USBDevice *dev, USBEndpoint **eps, int nr_eps,
593 int streams);
594void usb_device_free_streams(USBDevice *dev, USBEndpoint **eps, int nr_eps);
595
596const char *usb_device_get_product_desc(USBDevice *dev);
597
598const USBDesc *usb_device_get_usb_desc(USBDevice *dev);
599
600int ehci_create_ich9_with_companions(PCIBus *bus, int slot);
601
602
603
604
605#define USB_QUIRK_BUFFER_BULK_IN 0x01
606
607#define USB_QUIRK_IS_FTDI 0x02
608
609int usb_get_quirks(uint16_t vendor_id, uint16_t product_id,
610 uint8_t interface_class, uint8_t interface_subclass,
611 uint8_t interface_protocol);
612
613#endif
614