2 * USB redirector usb-guest
4 * Copyright (c) 2011-2012 Red Hat, Inc.
7 * Hans de Goede <hdegoede@redhat.com>
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:
16 * The above copyright notice and this permission notice shall be included in
17 * all copies or substantial portions of the Software.
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
28 #include "qemu-common.h"
29 #include "qemu/timer.h"
30 #include "monitor/monitor.h"
31 #include "sysemu/sysemu.h"
33 #include "char/char.h"
36 #include <sys/ioctl.h>
38 #include <usbredirparser.h>
39 #include <usbredirfilter.h>
43 #define MAX_ENDPOINTS 32
44 #define NO_INTERFACE_INFO 255 /* Valid interface_count always <= 32 */
45 #define EP2I(ep_address) (((ep_address & 0x80) >> 3) | (ep_address & 0x0f))
46 #define I2EP(i) (((i & 0x10) << 3) | (i & 0x0f))
47 #define USBEP2I(usb_ep) (((usb_ep)->pid == USB_TOKEN_IN) ? \
48 ((usb_ep)->nr | 0x10) : ((usb_ep)->nr))
49 #define I2USBEP(d, i) (usb_ep_get(&(d)->dev, \
50 ((i) & 0x10) ? USB_TOKEN_IN : USB_TOKEN_OUT, \
53 typedef struct USBRedirDevice USBRedirDevice
;
55 /* Struct to hold buffered packets (iso or int input packets) */
60 QTAILQ_ENTRY(buf_packet
)next
;
66 uint8_t interface
; /* bInterfaceNumber this ep belongs to */
67 uint16_t max_packet_size
; /* In bytes, not wMaxPacketSize format !! */
69 uint8_t iso_error
; /* For reporting iso errors to the HC */
70 uint8_t interrupt_started
;
71 uint8_t interrupt_error
;
72 uint8_t bufpq_prefilled
;
73 uint8_t bufpq_dropping_packets
;
74 QTAILQ_HEAD(, buf_packet
) bufpq
;
76 int32_t bufpq_target_size
;
79 struct PacketIdQueueEntry
{
81 QTAILQ_ENTRY(PacketIdQueueEntry
)next
;
84 struct PacketIdQueue
{
87 QTAILQ_HEAD(, PacketIdQueueEntry
) head
;
91 struct USBRedirDevice
{
98 /* Data passed from chardev the fd_read cb to the usbredirparser read cb */
99 const uint8_t *read_buf
;
101 /* For async handling of close */
102 QEMUBH
*chardev_close_bh
;
103 /* To delay the usb attach in case of quick chardev close + open */
104 QEMUTimer
*attach_timer
;
105 int64_t next_attach_time
;
106 struct usbredirparser
*parser
;
107 struct endp_data endpoint
[MAX_ENDPOINTS
];
108 struct PacketIdQueue cancelled
;
109 struct PacketIdQueue already_in_flight
;
110 /* Data for device filtering */
111 struct usb_redir_device_connect_header device_info
;
112 struct usb_redir_interface_info_header interface_info
;
113 struct usbredirfilter_rule
*filter_rules
;
114 int filter_rules_count
;
115 int compatible_speedmask
;
118 static void usbredir_hello(void *priv
, struct usb_redir_hello_header
*h
);
119 static void usbredir_device_connect(void *priv
,
120 struct usb_redir_device_connect_header
*device_connect
);
121 static void usbredir_device_disconnect(void *priv
);
122 static void usbredir_interface_info(void *priv
,
123 struct usb_redir_interface_info_header
*interface_info
);
124 static void usbredir_ep_info(void *priv
,
125 struct usb_redir_ep_info_header
*ep_info
);
126 static void usbredir_configuration_status(void *priv
, uint64_t id
,
127 struct usb_redir_configuration_status_header
*configuration_status
);
128 static void usbredir_alt_setting_status(void *priv
, uint64_t id
,
129 struct usb_redir_alt_setting_status_header
*alt_setting_status
);
130 static void usbredir_iso_stream_status(void *priv
, uint64_t id
,
131 struct usb_redir_iso_stream_status_header
*iso_stream_status
);
132 static void usbredir_interrupt_receiving_status(void *priv
, uint64_t id
,
133 struct usb_redir_interrupt_receiving_status_header
134 *interrupt_receiving_status
);
135 static void usbredir_bulk_streams_status(void *priv
, uint64_t id
,
136 struct usb_redir_bulk_streams_status_header
*bulk_streams_status
);
137 static void usbredir_control_packet(void *priv
, uint64_t id
,
138 struct usb_redir_control_packet_header
*control_packet
,
139 uint8_t *data
, int data_len
);
140 static void usbredir_bulk_packet(void *priv
, uint64_t id
,
141 struct usb_redir_bulk_packet_header
*bulk_packet
,
142 uint8_t *data
, int data_len
);
143 static void usbredir_iso_packet(void *priv
, uint64_t id
,
144 struct usb_redir_iso_packet_header
*iso_packet
,
145 uint8_t *data
, int data_len
);
146 static void usbredir_interrupt_packet(void *priv
, uint64_t id
,
147 struct usb_redir_interrupt_packet_header
*interrupt_header
,
148 uint8_t *data
, int data_len
);
150 static void usbredir_handle_status(USBRedirDevice
*dev
, USBPacket
*p
,
153 #define VERSION "qemu usb-redir guest " QEMU_VERSION
161 if (dev->debug >= usbredirparser_error) { \
162 error_report("usb-redir error: " __VA_ARGS__); \
165 #define WARNING(...) \
167 if (dev->debug >= usbredirparser_warning) { \
168 error_report("usb-redir warning: " __VA_ARGS__); \
173 if (dev->debug >= usbredirparser_info) { \
174 error_report("usb-redir: " __VA_ARGS__); \
177 #define DPRINTF(...) \
179 if (dev->debug >= usbredirparser_debug) { \
180 error_report("usb-redir: " __VA_ARGS__); \
183 #define DPRINTF2(...) \
185 if (dev->debug >= usbredirparser_debug_data) { \
186 error_report("usb-redir: " __VA_ARGS__); \
190 static void usbredir_log(void *priv
, int level
, const char *msg
)
192 USBRedirDevice
*dev
= priv
;
194 if (dev
->debug
< level
) {
198 error_report("%s", msg
);
201 static void usbredir_log_data(USBRedirDevice
*dev
, const char *desc
,
202 const uint8_t *data
, int len
)
206 if (dev
->debug
< usbredirparser_debug_data
) {
210 for (i
= 0; i
< len
; i
+= j
) {
213 n
= sprintf(buf
, "%s", desc
);
214 for (j
= 0; j
< 8 && i
+ j
< len
; j
++) {
215 n
+= sprintf(buf
+ n
, " %02X", data
[i
+ j
]);
217 error_report("%s", buf
);
222 * usbredirparser io functions
225 static int usbredir_read(void *priv
, uint8_t *data
, int count
)
227 USBRedirDevice
*dev
= priv
;
229 if (dev
->read_buf_size
< count
) {
230 count
= dev
->read_buf_size
;
233 memcpy(data
, dev
->read_buf
, count
);
235 dev
->read_buf_size
-= count
;
236 if (dev
->read_buf_size
) {
237 dev
->read_buf
+= count
;
239 dev
->read_buf
= NULL
;
245 static int usbredir_write(void *priv
, uint8_t *data
, int count
)
247 USBRedirDevice
*dev
= priv
;
249 if (!dev
->cs
->opened
) {
253 /* Don't send new data to the chardev until our state is fully synced */
254 if (!runstate_check(RUN_STATE_RUNNING
)) {
258 return qemu_chr_fe_write(dev
->cs
, data
, count
);
262 * Cancelled and buffered packets helpers
265 static void packet_id_queue_init(struct PacketIdQueue
*q
,
266 USBRedirDevice
*dev
, const char *name
)
270 QTAILQ_INIT(&q
->head
);
274 static void packet_id_queue_add(struct PacketIdQueue
*q
, uint64_t id
)
276 USBRedirDevice
*dev
= q
->dev
;
277 struct PacketIdQueueEntry
*e
;
279 DPRINTF("adding packet id %"PRIu64
" to %s queue\n", id
, q
->name
);
281 e
= g_malloc0(sizeof(struct PacketIdQueueEntry
));
283 QTAILQ_INSERT_TAIL(&q
->head
, e
, next
);
287 static int packet_id_queue_remove(struct PacketIdQueue
*q
, uint64_t id
)
289 USBRedirDevice
*dev
= q
->dev
;
290 struct PacketIdQueueEntry
*e
;
292 QTAILQ_FOREACH(e
, &q
->head
, next
) {
294 DPRINTF("removing packet id %"PRIu64
" from %s queue\n",
296 QTAILQ_REMOVE(&q
->head
, e
, next
);
305 static void packet_id_queue_empty(struct PacketIdQueue
*q
)
307 USBRedirDevice
*dev
= q
->dev
;
308 struct PacketIdQueueEntry
*e
, *next_e
;
310 DPRINTF("removing %d packet-ids from %s queue\n", q
->size
, q
->name
);
312 QTAILQ_FOREACH_SAFE(e
, &q
->head
, next
, next_e
) {
313 QTAILQ_REMOVE(&q
->head
, e
, next
);
319 static void usbredir_cancel_packet(USBDevice
*udev
, USBPacket
*p
)
321 USBRedirDevice
*dev
= DO_UPCAST(USBRedirDevice
, dev
, udev
);
324 usb_combined_packet_cancel(udev
, p
);
328 packet_id_queue_add(&dev
->cancelled
, p
->id
);
329 usbredirparser_send_cancel_data_packet(dev
->parser
, p
->id
);
330 usbredirparser_do_write(dev
->parser
);
333 static int usbredir_is_cancelled(USBRedirDevice
*dev
, uint64_t id
)
335 if (!dev
->dev
.attached
) {
336 return 1; /* Treat everything as cancelled after a disconnect */
338 return packet_id_queue_remove(&dev
->cancelled
, id
);
341 static void usbredir_fill_already_in_flight_from_ep(USBRedirDevice
*dev
,
342 struct USBEndpoint
*ep
)
346 QTAILQ_FOREACH(p
, &ep
->queue
, queue
) {
347 /* Skip combined packets, except for the first */
348 if (p
->combined
&& p
!= p
->combined
->first
) {
351 if (p
->state
== USB_PACKET_ASYNC
) {
352 packet_id_queue_add(&dev
->already_in_flight
, p
->id
);
357 static void usbredir_fill_already_in_flight(USBRedirDevice
*dev
)
360 struct USBDevice
*udev
= &dev
->dev
;
362 usbredir_fill_already_in_flight_from_ep(dev
, &udev
->ep_ctl
);
364 for (ep
= 0; ep
< USB_MAX_ENDPOINTS
; ep
++) {
365 usbredir_fill_already_in_flight_from_ep(dev
, &udev
->ep_in
[ep
]);
366 usbredir_fill_already_in_flight_from_ep(dev
, &udev
->ep_out
[ep
]);
370 static int usbredir_already_in_flight(USBRedirDevice
*dev
, uint64_t id
)
372 return packet_id_queue_remove(&dev
->already_in_flight
, id
);
375 static USBPacket
*usbredir_find_packet_by_id(USBRedirDevice
*dev
,
376 uint8_t ep
, uint64_t id
)
380 if (usbredir_is_cancelled(dev
, id
)) {
384 p
= usb_ep_find_packet_by_id(&dev
->dev
,
385 (ep
& USB_DIR_IN
) ? USB_TOKEN_IN
: USB_TOKEN_OUT
,
388 ERROR("could not find packet with id %"PRIu64
"\n", id
);
393 static void bufp_alloc(USBRedirDevice
*dev
,
394 uint8_t *data
, int len
, int status
, uint8_t ep
)
396 struct buf_packet
*bufp
;
398 if (!dev
->endpoint
[EP2I(ep
)].bufpq_dropping_packets
&&
399 dev
->endpoint
[EP2I(ep
)].bufpq_size
>
400 2 * dev
->endpoint
[EP2I(ep
)].bufpq_target_size
) {
401 DPRINTF("bufpq overflow, dropping packets ep %02X\n", ep
);
402 dev
->endpoint
[EP2I(ep
)].bufpq_dropping_packets
= 1;
404 /* Since we're interupting the stream anyways, drop enough packets to get
405 back to our target buffer size */
406 if (dev
->endpoint
[EP2I(ep
)].bufpq_dropping_packets
) {
407 if (dev
->endpoint
[EP2I(ep
)].bufpq_size
>
408 dev
->endpoint
[EP2I(ep
)].bufpq_target_size
) {
412 dev
->endpoint
[EP2I(ep
)].bufpq_dropping_packets
= 0;
415 bufp
= g_malloc(sizeof(struct buf_packet
));
418 bufp
->status
= status
;
419 QTAILQ_INSERT_TAIL(&dev
->endpoint
[EP2I(ep
)].bufpq
, bufp
, next
);
420 dev
->endpoint
[EP2I(ep
)].bufpq_size
++;
423 static void bufp_free(USBRedirDevice
*dev
, struct buf_packet
*bufp
,
426 QTAILQ_REMOVE(&dev
->endpoint
[EP2I(ep
)].bufpq
, bufp
, next
);
427 dev
->endpoint
[EP2I(ep
)].bufpq_size
--;
432 static void usbredir_free_bufpq(USBRedirDevice
*dev
, uint8_t ep
)
434 struct buf_packet
*buf
, *buf_next
;
436 QTAILQ_FOREACH_SAFE(buf
, &dev
->endpoint
[EP2I(ep
)].bufpq
, next
, buf_next
) {
437 bufp_free(dev
, buf
, ep
);
442 * USBDevice callbacks
445 static void usbredir_handle_reset(USBDevice
*udev
)
447 USBRedirDevice
*dev
= DO_UPCAST(USBRedirDevice
, dev
, udev
);
449 DPRINTF("reset device\n");
450 usbredirparser_send_reset(dev
->parser
);
451 usbredirparser_do_write(dev
->parser
);
454 static void usbredir_handle_iso_data(USBRedirDevice
*dev
, USBPacket
*p
,
458 if (!dev
->endpoint
[EP2I(ep
)].iso_started
&&
459 !dev
->endpoint
[EP2I(ep
)].iso_error
) {
460 struct usb_redir_start_iso_stream_header start_iso
= {
465 if (dev
->dev
.speed
== USB_SPEED_HIGH
) {
466 pkts_per_sec
= 8000 / dev
->endpoint
[EP2I(ep
)].interval
;
468 pkts_per_sec
= 1000 / dev
->endpoint
[EP2I(ep
)].interval
;
470 /* Testing has shown that we need circa 60 ms buffer */
471 dev
->endpoint
[EP2I(ep
)].bufpq_target_size
= (pkts_per_sec
* 60) / 1000;
473 /* Aim for approx 100 interrupts / second on the client to
474 balance latency and interrupt load */
475 start_iso
.pkts_per_urb
= pkts_per_sec
/ 100;
476 if (start_iso
.pkts_per_urb
< 1) {
477 start_iso
.pkts_per_urb
= 1;
478 } else if (start_iso
.pkts_per_urb
> 32) {
479 start_iso
.pkts_per_urb
= 32;
482 start_iso
.no_urbs
= (dev
->endpoint
[EP2I(ep
)].bufpq_target_size
+
483 start_iso
.pkts_per_urb
- 1) /
484 start_iso
.pkts_per_urb
;
485 /* Output endpoints pre-fill only 1/2 of the packets, keeping the rest
486 as overflow buffer. Also see the usbredir protocol documentation */
487 if (!(ep
& USB_DIR_IN
)) {
488 start_iso
.no_urbs
*= 2;
490 if (start_iso
.no_urbs
> 16) {
491 start_iso
.no_urbs
= 16;
494 /* No id, we look at the ep when receiving a status back */
495 usbredirparser_send_start_iso_stream(dev
->parser
, 0, &start_iso
);
496 usbredirparser_do_write(dev
->parser
);
497 DPRINTF("iso stream started pkts/sec %d pkts/urb %d urbs %d ep %02X\n",
498 pkts_per_sec
, start_iso
.pkts_per_urb
, start_iso
.no_urbs
, ep
);
499 dev
->endpoint
[EP2I(ep
)].iso_started
= 1;
500 dev
->endpoint
[EP2I(ep
)].bufpq_prefilled
= 0;
501 dev
->endpoint
[EP2I(ep
)].bufpq_dropping_packets
= 0;
504 if (ep
& USB_DIR_IN
) {
505 struct buf_packet
*isop
;
507 if (dev
->endpoint
[EP2I(ep
)].iso_started
&&
508 !dev
->endpoint
[EP2I(ep
)].bufpq_prefilled
) {
509 if (dev
->endpoint
[EP2I(ep
)].bufpq_size
<
510 dev
->endpoint
[EP2I(ep
)].bufpq_target_size
) {
513 dev
->endpoint
[EP2I(ep
)].bufpq_prefilled
= 1;
516 isop
= QTAILQ_FIRST(&dev
->endpoint
[EP2I(ep
)].bufpq
);
518 DPRINTF("iso-token-in ep %02X, no isop, iso_error: %d\n",
519 ep
, dev
->endpoint
[EP2I(ep
)].iso_error
);
520 /* Re-fill the buffer */
521 dev
->endpoint
[EP2I(ep
)].bufpq_prefilled
= 0;
522 /* Check iso_error for stream errors, otherwise its an underrun */
523 status
= dev
->endpoint
[EP2I(ep
)].iso_error
;
524 dev
->endpoint
[EP2I(ep
)].iso_error
= 0;
525 p
->status
= status
? USB_RET_IOERROR
: USB_RET_SUCCESS
;
528 DPRINTF2("iso-token-in ep %02X status %d len %d queue-size: %d\n", ep
,
529 isop
->status
, isop
->len
, dev
->endpoint
[EP2I(ep
)].bufpq_size
);
531 status
= isop
->status
;
533 if (len
> p
->iov
.size
) {
534 ERROR("received iso data is larger then packet ep %02X (%d > %d)\n",
535 ep
, len
, (int)p
->iov
.size
);
537 status
= usb_redir_babble
;
539 usb_packet_copy(p
, isop
->data
, len
);
540 bufp_free(dev
, isop
, ep
);
541 usbredir_handle_status(dev
, p
, status
);
543 /* If the stream was not started because of a pending error don't
544 send the packet to the usb-host */
545 if (dev
->endpoint
[EP2I(ep
)].iso_started
) {
546 struct usb_redir_iso_packet_header iso_packet
= {
548 .length
= p
->iov
.size
550 uint8_t buf
[p
->iov
.size
];
551 /* No id, we look at the ep when receiving a status back */
552 usb_packet_copy(p
, buf
, p
->iov
.size
);
553 usbredirparser_send_iso_packet(dev
->parser
, 0, &iso_packet
,
555 usbredirparser_do_write(dev
->parser
);
557 status
= dev
->endpoint
[EP2I(ep
)].iso_error
;
558 dev
->endpoint
[EP2I(ep
)].iso_error
= 0;
559 DPRINTF2("iso-token-out ep %02X status %d len %zd\n", ep
, status
,
561 usbredir_handle_status(dev
, p
, status
);
565 static void usbredir_stop_iso_stream(USBRedirDevice
*dev
, uint8_t ep
)
567 struct usb_redir_stop_iso_stream_header stop_iso_stream
= {
570 if (dev
->endpoint
[EP2I(ep
)].iso_started
) {
571 usbredirparser_send_stop_iso_stream(dev
->parser
, 0, &stop_iso_stream
);
572 DPRINTF("iso stream stopped ep %02X\n", ep
);
573 dev
->endpoint
[EP2I(ep
)].iso_started
= 0;
575 dev
->endpoint
[EP2I(ep
)].iso_error
= 0;
576 usbredir_free_bufpq(dev
, ep
);
579 static void usbredir_handle_bulk_data(USBRedirDevice
*dev
, USBPacket
*p
,
582 struct usb_redir_bulk_packet_header bulk_packet
;
583 size_t size
= (p
->combined
) ? p
->combined
->iov
.size
: p
->iov
.size
;
585 DPRINTF("bulk-out ep %02X len %zd id %"PRIu64
"\n", ep
, size
, p
->id
);
587 if (usbredir_already_in_flight(dev
, p
->id
)) {
588 p
->status
= USB_RET_ASYNC
;
592 bulk_packet
.endpoint
= ep
;
593 bulk_packet
.length
= size
;
594 bulk_packet
.stream_id
= 0;
595 bulk_packet
.length_high
= size
>> 16;
596 assert(bulk_packet
.length_high
== 0 ||
597 usbredirparser_peer_has_cap(dev
->parser
,
598 usb_redir_cap_32bits_bulk_length
));
600 if (ep
& USB_DIR_IN
) {
601 usbredirparser_send_bulk_packet(dev
->parser
, p
->id
,
602 &bulk_packet
, NULL
, 0);
606 iov_to_buf(p
->combined
->iov
.iov
, p
->combined
->iov
.niov
,
609 usb_packet_copy(p
, buf
, size
);
611 usbredir_log_data(dev
, "bulk data out:", buf
, size
);
612 usbredirparser_send_bulk_packet(dev
->parser
, p
->id
,
613 &bulk_packet
, buf
, size
);
615 usbredirparser_do_write(dev
->parser
);
616 p
->status
= USB_RET_ASYNC
;
619 static void usbredir_handle_interrupt_in_data(USBRedirDevice
*dev
,
620 USBPacket
*p
, uint8_t ep
)
622 /* Input interrupt endpoint, buffered packet input */
623 struct buf_packet
*intp
;
626 if (!dev
->endpoint
[EP2I(ep
)].interrupt_started
&&
627 !dev
->endpoint
[EP2I(ep
)].interrupt_error
) {
628 struct usb_redir_start_interrupt_receiving_header start_int
= {
631 /* No id, we look at the ep when receiving a status back */
632 usbredirparser_send_start_interrupt_receiving(dev
->parser
, 0,
634 usbredirparser_do_write(dev
->parser
);
635 DPRINTF("interrupt recv started ep %02X\n", ep
);
636 dev
->endpoint
[EP2I(ep
)].interrupt_started
= 1;
637 /* We don't really want to drop interrupt packets ever, but
638 having some upper limit to how much we buffer is good. */
639 dev
->endpoint
[EP2I(ep
)].bufpq_target_size
= 1000;
640 dev
->endpoint
[EP2I(ep
)].bufpq_dropping_packets
= 0;
643 intp
= QTAILQ_FIRST(&dev
->endpoint
[EP2I(ep
)].bufpq
);
645 DPRINTF2("interrupt-token-in ep %02X, no intp\n", ep
);
646 /* Check interrupt_error for stream errors */
647 status
= dev
->endpoint
[EP2I(ep
)].interrupt_error
;
648 dev
->endpoint
[EP2I(ep
)].interrupt_error
= 0;
650 usbredir_handle_status(dev
, p
, status
);
652 p
->status
= USB_RET_NAK
;
656 DPRINTF("interrupt-token-in ep %02X status %d len %d\n", ep
,
657 intp
->status
, intp
->len
);
659 status
= intp
->status
;
661 if (len
> p
->iov
.size
) {
662 ERROR("received int data is larger then packet ep %02X\n", ep
);
664 status
= usb_redir_babble
;
666 usb_packet_copy(p
, intp
->data
, len
);
667 bufp_free(dev
, intp
, ep
);
668 usbredir_handle_status(dev
, p
, status
);
672 * Handle interrupt out data, the usbredir protocol expects us to do this
673 * async, so that it can report back a completion status. But guests will
674 * expect immediate completion for an interrupt endpoint, and handling this
675 * async causes migration issues. So we report success directly, counting
676 * on the fact that output interrupt packets normally always succeed.
678 static void usbredir_handle_interrupt_out_data(USBRedirDevice
*dev
,
679 USBPacket
*p
, uint8_t ep
)
681 struct usb_redir_interrupt_packet_header interrupt_packet
;
682 uint8_t buf
[p
->iov
.size
];
684 DPRINTF("interrupt-out ep %02X len %zd id %"PRIu64
"\n", ep
,
687 interrupt_packet
.endpoint
= ep
;
688 interrupt_packet
.length
= p
->iov
.size
;
690 usb_packet_copy(p
, buf
, p
->iov
.size
);
691 usbredir_log_data(dev
, "interrupt data out:", buf
, p
->iov
.size
);
692 usbredirparser_send_interrupt_packet(dev
->parser
, p
->id
,
693 &interrupt_packet
, buf
, p
->iov
.size
);
694 usbredirparser_do_write(dev
->parser
);
697 static void usbredir_stop_interrupt_receiving(USBRedirDevice
*dev
,
700 struct usb_redir_stop_interrupt_receiving_header stop_interrupt_recv
= {
703 if (dev
->endpoint
[EP2I(ep
)].interrupt_started
) {
704 usbredirparser_send_stop_interrupt_receiving(dev
->parser
, 0,
705 &stop_interrupt_recv
);
706 DPRINTF("interrupt recv stopped ep %02X\n", ep
);
707 dev
->endpoint
[EP2I(ep
)].interrupt_started
= 0;
709 dev
->endpoint
[EP2I(ep
)].interrupt_error
= 0;
710 usbredir_free_bufpq(dev
, ep
);
713 static void usbredir_handle_data(USBDevice
*udev
, USBPacket
*p
)
715 USBRedirDevice
*dev
= DO_UPCAST(USBRedirDevice
, dev
, udev
);
719 if (p
->pid
== USB_TOKEN_IN
) {
723 switch (dev
->endpoint
[EP2I(ep
)].type
) {
724 case USB_ENDPOINT_XFER_CONTROL
:
725 ERROR("handle_data called for control transfer on ep %02X\n", ep
);
726 p
->status
= USB_RET_NAK
;
728 case USB_ENDPOINT_XFER_ISOC
:
729 usbredir_handle_iso_data(dev
, p
, ep
);
731 case USB_ENDPOINT_XFER_BULK
:
732 if (p
->state
== USB_PACKET_SETUP
&& p
->pid
== USB_TOKEN_IN
&&
734 p
->status
= USB_RET_ADD_TO_QUEUE
;
737 usbredir_handle_bulk_data(dev
, p
, ep
);
739 case USB_ENDPOINT_XFER_INT
:
740 if (ep
& USB_DIR_IN
) {
741 usbredir_handle_interrupt_in_data(dev
, p
, ep
);
743 usbredir_handle_interrupt_out_data(dev
, p
, ep
);
747 ERROR("handle_data ep %02X has unknown type %d\n", ep
,
748 dev
->endpoint
[EP2I(ep
)].type
);
749 p
->status
= USB_RET_NAK
;
753 static void usbredir_flush_ep_queue(USBDevice
*dev
, USBEndpoint
*ep
)
755 if (ep
->pid
== USB_TOKEN_IN
&& ep
->pipeline
) {
756 usb_ep_combine_input_packets(ep
);
760 static void usbredir_stop_ep(USBRedirDevice
*dev
, int i
)
762 uint8_t ep
= I2EP(i
);
764 switch (dev
->endpoint
[i
].type
) {
765 case USB_ENDPOINT_XFER_ISOC
:
766 usbredir_stop_iso_stream(dev
, ep
);
768 case USB_ENDPOINT_XFER_INT
:
769 if (ep
& USB_DIR_IN
) {
770 usbredir_stop_interrupt_receiving(dev
, ep
);
774 usbredir_free_bufpq(dev
, ep
);
777 static void usbredir_ep_stopped(USBDevice
*udev
, USBEndpoint
*uep
)
779 USBRedirDevice
*dev
= DO_UPCAST(USBRedirDevice
, dev
, udev
);
781 usbredir_stop_ep(dev
, USBEP2I(uep
));
782 usbredirparser_do_write(dev
->parser
);
785 static void usbredir_set_config(USBRedirDevice
*dev
, USBPacket
*p
,
788 struct usb_redir_set_configuration_header set_config
;
791 DPRINTF("set config %d id %"PRIu64
"\n", config
, p
->id
);
793 for (i
= 0; i
< MAX_ENDPOINTS
; i
++) {
794 usbredir_stop_ep(dev
, i
);
797 set_config
.configuration
= config
;
798 usbredirparser_send_set_configuration(dev
->parser
, p
->id
, &set_config
);
799 usbredirparser_do_write(dev
->parser
);
800 p
->status
= USB_RET_ASYNC
;
803 static void usbredir_get_config(USBRedirDevice
*dev
, USBPacket
*p
)
805 DPRINTF("get config id %"PRIu64
"\n", p
->id
);
807 usbredirparser_send_get_configuration(dev
->parser
, p
->id
);
808 usbredirparser_do_write(dev
->parser
);
809 p
->status
= USB_RET_ASYNC
;
812 static void usbredir_set_interface(USBRedirDevice
*dev
, USBPacket
*p
,
813 int interface
, int alt
)
815 struct usb_redir_set_alt_setting_header set_alt
;
818 DPRINTF("set interface %d alt %d id %"PRIu64
"\n", interface
, alt
, p
->id
);
820 for (i
= 0; i
< MAX_ENDPOINTS
; i
++) {
821 if (dev
->endpoint
[i
].interface
== interface
) {
822 usbredir_stop_ep(dev
, i
);
826 set_alt
.interface
= interface
;
828 usbredirparser_send_set_alt_setting(dev
->parser
, p
->id
, &set_alt
);
829 usbredirparser_do_write(dev
->parser
);
830 p
->status
= USB_RET_ASYNC
;
833 static void usbredir_get_interface(USBRedirDevice
*dev
, USBPacket
*p
,
836 struct usb_redir_get_alt_setting_header get_alt
;
838 DPRINTF("get interface %d id %"PRIu64
"\n", interface
, p
->id
);
840 get_alt
.interface
= interface
;
841 usbredirparser_send_get_alt_setting(dev
->parser
, p
->id
, &get_alt
);
842 usbredirparser_do_write(dev
->parser
);
843 p
->status
= USB_RET_ASYNC
;
846 static void usbredir_handle_control(USBDevice
*udev
, USBPacket
*p
,
847 int request
, int value
, int index
, int length
, uint8_t *data
)
849 USBRedirDevice
*dev
= DO_UPCAST(USBRedirDevice
, dev
, udev
);
850 struct usb_redir_control_packet_header control_packet
;
852 if (usbredir_already_in_flight(dev
, p
->id
)) {
853 p
->status
= USB_RET_ASYNC
;
857 /* Special cases for certain standard device requests */
859 case DeviceOutRequest
| USB_REQ_SET_ADDRESS
:
860 DPRINTF("set address %d\n", value
);
861 dev
->dev
.addr
= value
;
863 case DeviceOutRequest
| USB_REQ_SET_CONFIGURATION
:
864 usbredir_set_config(dev
, p
, value
& 0xff);
866 case DeviceRequest
| USB_REQ_GET_CONFIGURATION
:
867 usbredir_get_config(dev
, p
);
869 case InterfaceOutRequest
| USB_REQ_SET_INTERFACE
:
870 usbredir_set_interface(dev
, p
, index
, value
);
872 case InterfaceRequest
| USB_REQ_GET_INTERFACE
:
873 usbredir_get_interface(dev
, p
, index
);
877 /* Normal ctrl requests, note request is (bRequestType << 8) | bRequest */
879 "ctrl-out type 0x%x req 0x%x val 0x%x index %d len %d id %"PRIu64
"\n",
880 request
>> 8, request
& 0xff, value
, index
, length
, p
->id
);
882 control_packet
.request
= request
& 0xFF;
883 control_packet
.requesttype
= request
>> 8;
884 control_packet
.endpoint
= control_packet
.requesttype
& USB_DIR_IN
;
885 control_packet
.value
= value
;
886 control_packet
.index
= index
;
887 control_packet
.length
= length
;
889 if (control_packet
.requesttype
& USB_DIR_IN
) {
890 usbredirparser_send_control_packet(dev
->parser
, p
->id
,
891 &control_packet
, NULL
, 0);
893 usbredir_log_data(dev
, "ctrl data out:", data
, length
);
894 usbredirparser_send_control_packet(dev
->parser
, p
->id
,
895 &control_packet
, data
, length
);
897 usbredirparser_do_write(dev
->parser
);
898 p
->status
= USB_RET_ASYNC
;
902 * Close events can be triggered by usbredirparser_do_write which gets called
903 * from within the USBDevice data / control packet callbacks and doing a
904 * usb_detach from within these callbacks is not a good idea.
906 * So we use a bh handler to take care of close events.
908 static void usbredir_chardev_close_bh(void *opaque
)
910 USBRedirDevice
*dev
= opaque
;
912 usbredir_device_disconnect(dev
);
915 DPRINTF("destroying usbredirparser\n");
916 usbredirparser_destroy(dev
->parser
);
921 static void usbredir_create_parser(USBRedirDevice
*dev
)
923 uint32_t caps
[USB_REDIR_CAPS_SIZE
] = { 0, };
926 DPRINTF("creating usbredirparser\n");
928 dev
->parser
= qemu_oom_check(usbredirparser_create());
929 dev
->parser
->priv
= dev
;
930 dev
->parser
->log_func
= usbredir_log
;
931 dev
->parser
->read_func
= usbredir_read
;
932 dev
->parser
->write_func
= usbredir_write
;
933 dev
->parser
->hello_func
= usbredir_hello
;
934 dev
->parser
->device_connect_func
= usbredir_device_connect
;
935 dev
->parser
->device_disconnect_func
= usbredir_device_disconnect
;
936 dev
->parser
->interface_info_func
= usbredir_interface_info
;
937 dev
->parser
->ep_info_func
= usbredir_ep_info
;
938 dev
->parser
->configuration_status_func
= usbredir_configuration_status
;
939 dev
->parser
->alt_setting_status_func
= usbredir_alt_setting_status
;
940 dev
->parser
->iso_stream_status_func
= usbredir_iso_stream_status
;
941 dev
->parser
->interrupt_receiving_status_func
=
942 usbredir_interrupt_receiving_status
;
943 dev
->parser
->bulk_streams_status_func
= usbredir_bulk_streams_status
;
944 dev
->parser
->control_packet_func
= usbredir_control_packet
;
945 dev
->parser
->bulk_packet_func
= usbredir_bulk_packet
;
946 dev
->parser
->iso_packet_func
= usbredir_iso_packet
;
947 dev
->parser
->interrupt_packet_func
= usbredir_interrupt_packet
;
948 dev
->read_buf
= NULL
;
949 dev
->read_buf_size
= 0;
951 usbredirparser_caps_set_cap(caps
, usb_redir_cap_connect_device_version
);
952 usbredirparser_caps_set_cap(caps
, usb_redir_cap_filter
);
953 usbredirparser_caps_set_cap(caps
, usb_redir_cap_ep_info_max_packet_size
);
954 usbredirparser_caps_set_cap(caps
, usb_redir_cap_64bits_ids
);
955 usbredirparser_caps_set_cap(caps
, usb_redir_cap_32bits_bulk_length
);
957 if (runstate_check(RUN_STATE_INMIGRATE
)) {
958 flags
|= usbredirparser_fl_no_hello
;
960 usbredirparser_init(dev
->parser
, VERSION
, caps
, USB_REDIR_CAPS_SIZE
,
962 usbredirparser_do_write(dev
->parser
);
965 static void usbredir_reject_device(USBRedirDevice
*dev
)
967 usbredir_device_disconnect(dev
);
968 if (usbredirparser_peer_has_cap(dev
->parser
, usb_redir_cap_filter
)) {
969 usbredirparser_send_filter_reject(dev
->parser
);
970 usbredirparser_do_write(dev
->parser
);
974 static void usbredir_do_attach(void *opaque
)
976 USBRedirDevice
*dev
= opaque
;
978 /* In order to work properly with XHCI controllers we need these caps */
979 if ((dev
->dev
.port
->speedmask
& USB_SPEED_MASK_SUPER
) && !(
980 usbredirparser_peer_has_cap(dev
->parser
,
981 usb_redir_cap_ep_info_max_packet_size
) &&
982 usbredirparser_peer_has_cap(dev
->parser
,
983 usb_redir_cap_32bits_bulk_length
) &&
984 usbredirparser_peer_has_cap(dev
->parser
,
985 usb_redir_cap_64bits_ids
))) {
986 ERROR("usb-redir-host lacks capabilities needed for use with XHCI\n");
987 usbredir_reject_device(dev
);
991 if (usb_device_attach(&dev
->dev
) != 0) {
992 WARNING("rejecting device due to speed mismatch\n");
993 usbredir_reject_device(dev
);
1001 static int usbredir_chardev_can_read(void *opaque
)
1003 USBRedirDevice
*dev
= opaque
;
1006 WARNING("chardev_can_read called on non open chardev!\n");
1010 /* Don't read new data from the chardev until our state is fully synced */
1011 if (!runstate_check(RUN_STATE_RUNNING
)) {
1015 /* usbredir_parser_do_read will consume *all* data we give it */
1019 static void usbredir_chardev_read(void *opaque
, const uint8_t *buf
, int size
)
1021 USBRedirDevice
*dev
= opaque
;
1023 /* No recursion allowed! */
1024 assert(dev
->read_buf
== NULL
);
1026 dev
->read_buf
= buf
;
1027 dev
->read_buf_size
= size
;
1029 usbredirparser_do_read(dev
->parser
);
1030 /* Send any acks, etc. which may be queued now */
1031 usbredirparser_do_write(dev
->parser
);
1034 static void usbredir_chardev_event(void *opaque
, int event
)
1036 USBRedirDevice
*dev
= opaque
;
1039 case CHR_EVENT_OPENED
:
1040 DPRINTF("chardev open\n");
1041 /* Make sure any pending closes are handled (no-op if none pending) */
1042 usbredir_chardev_close_bh(dev
);
1043 qemu_bh_cancel(dev
->chardev_close_bh
);
1044 usbredir_create_parser(dev
);
1046 case CHR_EVENT_CLOSED
:
1047 DPRINTF("chardev close\n");
1048 qemu_bh_schedule(dev
->chardev_close_bh
);
1057 static void usbredir_vm_state_change(void *priv
, int running
, RunState state
)
1059 USBRedirDevice
*dev
= priv
;
1061 if (state
== RUN_STATE_RUNNING
&& dev
->parser
!= NULL
) {
1062 usbredirparser_do_write(dev
->parser
); /* Flush any pending writes */
1066 static int usbredir_initfn(USBDevice
*udev
)
1068 USBRedirDevice
*dev
= DO_UPCAST(USBRedirDevice
, dev
, udev
);
1071 if (dev
->cs
== NULL
) {
1072 qerror_report(QERR_MISSING_PARAMETER
, "chardev");
1076 if (dev
->filter_str
) {
1077 i
= usbredirfilter_string_to_rules(dev
->filter_str
, ":", "|",
1079 &dev
->filter_rules_count
);
1081 qerror_report(QERR_INVALID_PARAMETER_VALUE
, "filter",
1082 "a usb device filter string");
1087 dev
->chardev_close_bh
= qemu_bh_new(usbredir_chardev_close_bh
, dev
);
1088 dev
->attach_timer
= qemu_new_timer_ms(vm_clock
, usbredir_do_attach
, dev
);
1090 packet_id_queue_init(&dev
->cancelled
, dev
, "cancelled");
1091 packet_id_queue_init(&dev
->already_in_flight
, dev
, "already-in-flight");
1092 for (i
= 0; i
< MAX_ENDPOINTS
; i
++) {
1093 QTAILQ_INIT(&dev
->endpoint
[i
].bufpq
);
1096 /* We'll do the attach once we receive the speed from the usb-host */
1097 udev
->auto_attach
= 0;
1099 /* Will be cleared during setup when we find conflicts */
1100 dev
->compatible_speedmask
= USB_SPEED_MASK_FULL
| USB_SPEED_MASK_HIGH
;
1102 /* Let the backend know we are ready */
1103 qemu_chr_fe_open(dev
->cs
);
1104 qemu_chr_add_handlers(dev
->cs
, usbredir_chardev_can_read
,
1105 usbredir_chardev_read
, usbredir_chardev_event
, dev
);
1107 qemu_add_vm_change_state_handler(usbredir_vm_state_change
, dev
);
1108 add_boot_device_path(dev
->bootindex
, &udev
->qdev
, NULL
);
1112 static void usbredir_cleanup_device_queues(USBRedirDevice
*dev
)
1116 packet_id_queue_empty(&dev
->cancelled
);
1117 packet_id_queue_empty(&dev
->already_in_flight
);
1118 for (i
= 0; i
< MAX_ENDPOINTS
; i
++) {
1119 usbredir_free_bufpq(dev
, I2EP(i
));
1123 static void usbredir_handle_destroy(USBDevice
*udev
)
1125 USBRedirDevice
*dev
= DO_UPCAST(USBRedirDevice
, dev
, udev
);
1127 qemu_chr_fe_close(dev
->cs
);
1128 qemu_chr_delete(dev
->cs
);
1129 /* Note must be done after qemu_chr_close, as that causes a close event */
1130 qemu_bh_delete(dev
->chardev_close_bh
);
1132 qemu_del_timer(dev
->attach_timer
);
1133 qemu_free_timer(dev
->attach_timer
);
1135 usbredir_cleanup_device_queues(dev
);
1138 usbredirparser_destroy(dev
->parser
);
1141 free(dev
->filter_rules
);
1144 static int usbredir_check_filter(USBRedirDevice
*dev
)
1146 if (dev
->interface_info
.interface_count
== NO_INTERFACE_INFO
) {
1147 ERROR("No interface info for device\n");
1151 if (dev
->filter_rules
) {
1152 if (!usbredirparser_peer_has_cap(dev
->parser
,
1153 usb_redir_cap_connect_device_version
)) {
1154 ERROR("Device filter specified and peer does not have the "
1155 "connect_device_version capability\n");
1159 if (usbredirfilter_check(
1161 dev
->filter_rules_count
,
1162 dev
->device_info
.device_class
,
1163 dev
->device_info
.device_subclass
,
1164 dev
->device_info
.device_protocol
,
1165 dev
->interface_info
.interface_class
,
1166 dev
->interface_info
.interface_subclass
,
1167 dev
->interface_info
.interface_protocol
,
1168 dev
->interface_info
.interface_count
,
1169 dev
->device_info
.vendor_id
,
1170 dev
->device_info
.product_id
,
1171 dev
->device_info
.device_version_bcd
,
1180 usbredir_reject_device(dev
);
1185 * usbredirparser packet complete callbacks
1188 static void usbredir_handle_status(USBRedirDevice
*dev
, USBPacket
*p
,
1192 case usb_redir_success
:
1193 p
->status
= USB_RET_SUCCESS
; /* Clear previous ASYNC status */
1195 case usb_redir_stall
:
1196 p
->status
= USB_RET_STALL
;
1198 case usb_redir_cancelled
:
1200 * When the usbredir-host unredirects a device, it will report a status
1201 * of cancelled for all pending packets, followed by a disconnect msg.
1203 p
->status
= USB_RET_IOERROR
;
1205 case usb_redir_inval
:
1206 WARNING("got invalid param error from usb-host?\n");
1207 p
->status
= USB_RET_IOERROR
;
1209 case usb_redir_babble
:
1210 p
->status
= USB_RET_BABBLE
;
1212 case usb_redir_ioerror
:
1213 case usb_redir_timeout
:
1215 p
->status
= USB_RET_IOERROR
;
1219 static void usbredir_hello(void *priv
, struct usb_redir_hello_header
*h
)
1221 USBRedirDevice
*dev
= priv
;
1223 /* Try to send the filter info now that we've the usb-host's caps */
1224 if (usbredirparser_peer_has_cap(dev
->parser
, usb_redir_cap_filter
) &&
1225 dev
->filter_rules
) {
1226 usbredirparser_send_filter_filter(dev
->parser
, dev
->filter_rules
,
1227 dev
->filter_rules_count
);
1228 usbredirparser_do_write(dev
->parser
);
1232 static void usbredir_device_connect(void *priv
,
1233 struct usb_redir_device_connect_header
*device_connect
)
1235 USBRedirDevice
*dev
= priv
;
1238 if (qemu_timer_pending(dev
->attach_timer
) || dev
->dev
.attached
) {
1239 ERROR("Received device connect while already connected\n");
1243 switch (device_connect
->speed
) {
1244 case usb_redir_speed_low
:
1245 speed
= "low speed";
1246 dev
->dev
.speed
= USB_SPEED_LOW
;
1247 dev
->compatible_speedmask
&= ~USB_SPEED_MASK_FULL
;
1248 dev
->compatible_speedmask
&= ~USB_SPEED_MASK_HIGH
;
1250 case usb_redir_speed_full
:
1251 speed
= "full speed";
1252 dev
->dev
.speed
= USB_SPEED_FULL
;
1253 dev
->compatible_speedmask
&= ~USB_SPEED_MASK_HIGH
;
1255 case usb_redir_speed_high
:
1256 speed
= "high speed";
1257 dev
->dev
.speed
= USB_SPEED_HIGH
;
1259 case usb_redir_speed_super
:
1260 speed
= "super speed";
1261 dev
->dev
.speed
= USB_SPEED_SUPER
;
1264 speed
= "unknown speed";
1265 dev
->dev
.speed
= USB_SPEED_FULL
;
1268 if (usbredirparser_peer_has_cap(dev
->parser
,
1269 usb_redir_cap_connect_device_version
)) {
1270 INFO("attaching %s device %04x:%04x version %d.%d class %02x\n",
1271 speed
, device_connect
->vendor_id
, device_connect
->product_id
,
1272 ((device_connect
->device_version_bcd
& 0xf000) >> 12) * 10 +
1273 ((device_connect
->device_version_bcd
& 0x0f00) >> 8),
1274 ((device_connect
->device_version_bcd
& 0x00f0) >> 4) * 10 +
1275 ((device_connect
->device_version_bcd
& 0x000f) >> 0),
1276 device_connect
->device_class
);
1278 INFO("attaching %s device %04x:%04x class %02x\n", speed
,
1279 device_connect
->vendor_id
, device_connect
->product_id
,
1280 device_connect
->device_class
);
1283 dev
->dev
.speedmask
= (1 << dev
->dev
.speed
) | dev
->compatible_speedmask
;
1284 dev
->device_info
= *device_connect
;
1286 if (usbredir_check_filter(dev
)) {
1287 WARNING("Device %04x:%04x rejected by device filter, not attaching\n",
1288 device_connect
->vendor_id
, device_connect
->product_id
);
1292 qemu_mod_timer(dev
->attach_timer
, dev
->next_attach_time
);
1295 static void usbredir_device_disconnect(void *priv
)
1297 USBRedirDevice
*dev
= priv
;
1300 /* Stop any pending attaches */
1301 qemu_del_timer(dev
->attach_timer
);
1303 if (dev
->dev
.attached
) {
1304 DPRINTF("detaching device\n");
1305 usb_device_detach(&dev
->dev
);
1307 * Delay next usb device attach to give the guest a chance to see
1308 * see the detach / attach in case of quick close / open succession
1310 dev
->next_attach_time
= qemu_get_clock_ms(vm_clock
) + 200;
1313 /* Reset state so that the next dev connected starts with a clean slate */
1314 usbredir_cleanup_device_queues(dev
);
1315 memset(dev
->endpoint
, 0, sizeof(dev
->endpoint
));
1316 for (i
= 0; i
< MAX_ENDPOINTS
; i
++) {
1317 QTAILQ_INIT(&dev
->endpoint
[i
].bufpq
);
1319 usb_ep_init(&dev
->dev
);
1320 dev
->interface_info
.interface_count
= NO_INTERFACE_INFO
;
1323 dev
->compatible_speedmask
= USB_SPEED_MASK_FULL
| USB_SPEED_MASK_HIGH
;
1326 static void usbredir_interface_info(void *priv
,
1327 struct usb_redir_interface_info_header
*interface_info
)
1329 USBRedirDevice
*dev
= priv
;
1331 dev
->interface_info
= *interface_info
;
1334 * If we receive interface info after the device has already been
1335 * connected (ie on a set_config), re-check the filter.
1337 if (qemu_timer_pending(dev
->attach_timer
) || dev
->dev
.attached
) {
1338 if (usbredir_check_filter(dev
)) {
1339 ERROR("Device no longer matches filter after interface info "
1340 "change, disconnecting!\n");
1345 static void usbredir_mark_speed_incompatible(USBRedirDevice
*dev
, int speed
)
1347 dev
->compatible_speedmask
&= ~(1 << speed
);
1348 dev
->dev
.speedmask
= (1 << dev
->dev
.speed
) | dev
->compatible_speedmask
;
1351 static void usbredir_set_pipeline(USBRedirDevice
*dev
, struct USBEndpoint
*uep
)
1353 if (uep
->type
!= USB_ENDPOINT_XFER_BULK
) {
1356 if (uep
->pid
== USB_TOKEN_OUT
) {
1357 uep
->pipeline
= true;
1359 if (uep
->pid
== USB_TOKEN_IN
&& uep
->max_packet_size
!= 0 &&
1360 usbredirparser_peer_has_cap(dev
->parser
,
1361 usb_redir_cap_32bits_bulk_length
)) {
1362 uep
->pipeline
= true;
1366 static void usbredir_setup_usb_eps(USBRedirDevice
*dev
)
1368 struct USBEndpoint
*usb_ep
;
1371 for (i
= 0; i
< MAX_ENDPOINTS
; i
++) {
1372 usb_ep
= I2USBEP(dev
, i
);
1373 usb_ep
->type
= dev
->endpoint
[i
].type
;
1374 usb_ep
->ifnum
= dev
->endpoint
[i
].interface
;
1375 usb_ep
->max_packet_size
= dev
->endpoint
[i
].max_packet_size
;
1376 usbredir_set_pipeline(dev
, usb_ep
);
1380 static void usbredir_ep_info(void *priv
,
1381 struct usb_redir_ep_info_header
*ep_info
)
1383 USBRedirDevice
*dev
= priv
;
1386 for (i
= 0; i
< MAX_ENDPOINTS
; i
++) {
1387 dev
->endpoint
[i
].type
= ep_info
->type
[i
];
1388 dev
->endpoint
[i
].interval
= ep_info
->interval
[i
];
1389 dev
->endpoint
[i
].interface
= ep_info
->interface
[i
];
1390 if (usbredirparser_peer_has_cap(dev
->parser
,
1391 usb_redir_cap_ep_info_max_packet_size
)) {
1392 dev
->endpoint
[i
].max_packet_size
= ep_info
->max_packet_size
[i
];
1394 switch (dev
->endpoint
[i
].type
) {
1395 case usb_redir_type_invalid
:
1397 case usb_redir_type_iso
:
1398 usbredir_mark_speed_incompatible(dev
, USB_SPEED_FULL
);
1399 usbredir_mark_speed_incompatible(dev
, USB_SPEED_HIGH
);
1401 case usb_redir_type_interrupt
:
1402 if (!usbredirparser_peer_has_cap(dev
->parser
,
1403 usb_redir_cap_ep_info_max_packet_size
) ||
1404 ep_info
->max_packet_size
[i
] > 64) {
1405 usbredir_mark_speed_incompatible(dev
, USB_SPEED_FULL
);
1407 if (!usbredirparser_peer_has_cap(dev
->parser
,
1408 usb_redir_cap_ep_info_max_packet_size
) ||
1409 ep_info
->max_packet_size
[i
] > 1024) {
1410 usbredir_mark_speed_incompatible(dev
, USB_SPEED_HIGH
);
1412 if (dev
->endpoint
[i
].interval
== 0) {
1413 ERROR("Received 0 interval for isoc or irq endpoint\n");
1414 usbredir_reject_device(dev
);
1418 case usb_redir_type_control
:
1419 case usb_redir_type_bulk
:
1420 DPRINTF("ep: %02X type: %d interface: %d\n", I2EP(i
),
1421 dev
->endpoint
[i
].type
, dev
->endpoint
[i
].interface
);
1424 ERROR("Received invalid endpoint type\n");
1425 usbredir_reject_device(dev
);
1429 /* The new ep info may have caused a speed incompatibility, recheck */
1430 if (dev
->dev
.attached
&&
1431 !(dev
->dev
.port
->speedmask
& dev
->dev
.speedmask
)) {
1432 ERROR("Device no longer matches speed after endpoint info change, "
1433 "disconnecting!\n");
1434 usbredir_reject_device(dev
);
1437 usbredir_setup_usb_eps(dev
);
1440 static void usbredir_configuration_status(void *priv
, uint64_t id
,
1441 struct usb_redir_configuration_status_header
*config_status
)
1443 USBRedirDevice
*dev
= priv
;
1446 DPRINTF("set config status %d config %d id %"PRIu64
"\n",
1447 config_status
->status
, config_status
->configuration
, id
);
1449 p
= usbredir_find_packet_by_id(dev
, 0, id
);
1451 if (dev
->dev
.setup_buf
[0] & USB_DIR_IN
) {
1452 dev
->dev
.data_buf
[0] = config_status
->configuration
;
1453 p
->actual_length
= 1;
1455 usbredir_handle_status(dev
, p
, config_status
->status
);
1456 usb_generic_async_ctrl_complete(&dev
->dev
, p
);
1460 static void usbredir_alt_setting_status(void *priv
, uint64_t id
,
1461 struct usb_redir_alt_setting_status_header
*alt_setting_status
)
1463 USBRedirDevice
*dev
= priv
;
1466 DPRINTF("alt status %d intf %d alt %d id: %"PRIu64
"\n",
1467 alt_setting_status
->status
, alt_setting_status
->interface
,
1468 alt_setting_status
->alt
, id
);
1470 p
= usbredir_find_packet_by_id(dev
, 0, id
);
1472 if (dev
->dev
.setup_buf
[0] & USB_DIR_IN
) {
1473 dev
->dev
.data_buf
[0] = alt_setting_status
->alt
;
1474 p
->actual_length
= 1;
1476 usbredir_handle_status(dev
, p
, alt_setting_status
->status
);
1477 usb_generic_async_ctrl_complete(&dev
->dev
, p
);
1481 static void usbredir_iso_stream_status(void *priv
, uint64_t id
,
1482 struct usb_redir_iso_stream_status_header
*iso_stream_status
)
1484 USBRedirDevice
*dev
= priv
;
1485 uint8_t ep
= iso_stream_status
->endpoint
;
1487 DPRINTF("iso status %d ep %02X id %"PRIu64
"\n", iso_stream_status
->status
,
1490 if (!dev
->dev
.attached
|| !dev
->endpoint
[EP2I(ep
)].iso_started
) {
1494 dev
->endpoint
[EP2I(ep
)].iso_error
= iso_stream_status
->status
;
1495 if (iso_stream_status
->status
== usb_redir_stall
) {
1496 DPRINTF("iso stream stopped by peer ep %02X\n", ep
);
1497 dev
->endpoint
[EP2I(ep
)].iso_started
= 0;
1501 static void usbredir_interrupt_receiving_status(void *priv
, uint64_t id
,
1502 struct usb_redir_interrupt_receiving_status_header
1503 *interrupt_receiving_status
)
1505 USBRedirDevice
*dev
= priv
;
1506 uint8_t ep
= interrupt_receiving_status
->endpoint
;
1508 DPRINTF("interrupt recv status %d ep %02X id %"PRIu64
"\n",
1509 interrupt_receiving_status
->status
, ep
, id
);
1511 if (!dev
->dev
.attached
|| !dev
->endpoint
[EP2I(ep
)].interrupt_started
) {
1515 dev
->endpoint
[EP2I(ep
)].interrupt_error
=
1516 interrupt_receiving_status
->status
;
1517 if (interrupt_receiving_status
->status
== usb_redir_stall
) {
1518 DPRINTF("interrupt receiving stopped by peer ep %02X\n", ep
);
1519 dev
->endpoint
[EP2I(ep
)].interrupt_started
= 0;
1523 static void usbredir_bulk_streams_status(void *priv
, uint64_t id
,
1524 struct usb_redir_bulk_streams_status_header
*bulk_streams_status
)
1528 static void usbredir_control_packet(void *priv
, uint64_t id
,
1529 struct usb_redir_control_packet_header
*control_packet
,
1530 uint8_t *data
, int data_len
)
1532 USBRedirDevice
*dev
= priv
;
1534 int len
= control_packet
->length
;
1536 DPRINTF("ctrl-in status %d len %d id %"PRIu64
"\n", control_packet
->status
,
1539 /* Fix up USB-3 ep0 maxpacket size to allow superspeed connected devices
1540 * to work redirected to a not superspeed capable hcd */
1541 if (dev
->dev
.speed
== USB_SPEED_SUPER
&&
1542 !((dev
->dev
.port
->speedmask
& USB_SPEED_MASK_SUPER
)) &&
1543 control_packet
->requesttype
== 0x80 &&
1544 control_packet
->request
== 6 &&
1545 control_packet
->value
== 0x100 && control_packet
->index
== 0 &&
1546 data_len
>= 18 && data
[7] == 9) {
1550 p
= usbredir_find_packet_by_id(dev
, 0, id
);
1552 usbredir_handle_status(dev
, p
, control_packet
->status
);
1554 usbredir_log_data(dev
, "ctrl data in:", data
, data_len
);
1555 if (data_len
> sizeof(dev
->dev
.data_buf
)) {
1556 ERROR("ctrl buffer too small (%d > %zu)\n",
1557 data_len
, sizeof(dev
->dev
.data_buf
));
1558 p
->status
= USB_RET_STALL
;
1559 data_len
= len
= sizeof(dev
->dev
.data_buf
);
1561 memcpy(dev
->dev
.data_buf
, data
, data_len
);
1563 p
->actual_length
= len
;
1564 usb_generic_async_ctrl_complete(&dev
->dev
, p
);
1569 static void usbredir_bulk_packet(void *priv
, uint64_t id
,
1570 struct usb_redir_bulk_packet_header
*bulk_packet
,
1571 uint8_t *data
, int data_len
)
1573 USBRedirDevice
*dev
= priv
;
1574 uint8_t ep
= bulk_packet
->endpoint
;
1575 int len
= (bulk_packet
->length_high
<< 16) | bulk_packet
->length
;
1578 DPRINTF("bulk-in status %d ep %02X len %d id %"PRIu64
"\n",
1579 bulk_packet
->status
, ep
, len
, id
);
1581 p
= usbredir_find_packet_by_id(dev
, ep
, id
);
1583 size_t size
= (p
->combined
) ? p
->combined
->iov
.size
: p
->iov
.size
;
1584 usbredir_handle_status(dev
, p
, bulk_packet
->status
);
1586 usbredir_log_data(dev
, "bulk data in:", data
, data_len
);
1587 if (data_len
> size
) {
1588 ERROR("bulk got more data then requested (%d > %zd)\n",
1589 data_len
, p
->iov
.size
);
1590 p
->status
= USB_RET_BABBLE
;
1591 data_len
= len
= size
;
1594 iov_from_buf(p
->combined
->iov
.iov
, p
->combined
->iov
.niov
,
1597 usb_packet_copy(p
, data
, data_len
);
1600 p
->actual_length
= len
;
1601 if (p
->pid
== USB_TOKEN_IN
&& p
->ep
->pipeline
) {
1602 usb_combined_input_packet_complete(&dev
->dev
, p
);
1604 usb_packet_complete(&dev
->dev
, p
);
1610 static void usbredir_iso_packet(void *priv
, uint64_t id
,
1611 struct usb_redir_iso_packet_header
*iso_packet
,
1612 uint8_t *data
, int data_len
)
1614 USBRedirDevice
*dev
= priv
;
1615 uint8_t ep
= iso_packet
->endpoint
;
1617 DPRINTF2("iso-in status %d ep %02X len %d id %"PRIu64
"\n",
1618 iso_packet
->status
, ep
, data_len
, id
);
1620 if (dev
->endpoint
[EP2I(ep
)].type
!= USB_ENDPOINT_XFER_ISOC
) {
1621 ERROR("received iso packet for non iso endpoint %02X\n", ep
);
1626 if (dev
->endpoint
[EP2I(ep
)].iso_started
== 0) {
1627 DPRINTF("received iso packet for non started stream ep %02X\n", ep
);
1632 /* bufp_alloc also adds the packet to the ep queue */
1633 bufp_alloc(dev
, data
, data_len
, iso_packet
->status
, ep
);
1636 static void usbredir_interrupt_packet(void *priv
, uint64_t id
,
1637 struct usb_redir_interrupt_packet_header
*interrupt_packet
,
1638 uint8_t *data
, int data_len
)
1640 USBRedirDevice
*dev
= priv
;
1641 uint8_t ep
= interrupt_packet
->endpoint
;
1643 DPRINTF("interrupt-in status %d ep %02X len %d id %"PRIu64
"\n",
1644 interrupt_packet
->status
, ep
, data_len
, id
);
1646 if (dev
->endpoint
[EP2I(ep
)].type
!= USB_ENDPOINT_XFER_INT
) {
1647 ERROR("received int packet for non interrupt endpoint %02X\n", ep
);
1652 if (ep
& USB_DIR_IN
) {
1653 if (dev
->endpoint
[EP2I(ep
)].interrupt_started
== 0) {
1654 DPRINTF("received int packet while not started ep %02X\n", ep
);
1659 if (QTAILQ_EMPTY(&dev
->endpoint
[EP2I(ep
)].bufpq
)) {
1660 usb_wakeup(usb_ep_get(&dev
->dev
, USB_TOKEN_IN
, ep
& 0x0f));
1663 /* bufp_alloc also adds the packet to the ep queue */
1664 bufp_alloc(dev
, data
, data_len
, interrupt_packet
->status
, ep
);
1667 * We report output interrupt packets as completed directly upon
1668 * submission, so all we can do here if one failed is warn.
1670 if (interrupt_packet
->status
) {
1671 WARNING("interrupt output failed status %d ep %02X id %"PRIu64
"\n",
1672 interrupt_packet
->status
, ep
, id
);
1681 static void usbredir_pre_save(void *priv
)
1683 USBRedirDevice
*dev
= priv
;
1685 usbredir_fill_already_in_flight(dev
);
1688 static int usbredir_post_load(void *priv
, int version_id
)
1690 USBRedirDevice
*dev
= priv
;
1692 switch (dev
->device_info
.speed
) {
1693 case usb_redir_speed_low
:
1694 dev
->dev
.speed
= USB_SPEED_LOW
;
1696 case usb_redir_speed_full
:
1697 dev
->dev
.speed
= USB_SPEED_FULL
;
1699 case usb_redir_speed_high
:
1700 dev
->dev
.speed
= USB_SPEED_HIGH
;
1702 case usb_redir_speed_super
:
1703 dev
->dev
.speed
= USB_SPEED_SUPER
;
1706 dev
->dev
.speed
= USB_SPEED_FULL
;
1708 dev
->dev
.speedmask
= (1 << dev
->dev
.speed
);
1710 usbredir_setup_usb_eps(dev
);
1715 /* For usbredirparser migration */
1716 static void usbredir_put_parser(QEMUFile
*f
, void *priv
, size_t unused
)
1718 USBRedirDevice
*dev
= priv
;
1722 if (dev
->parser
== NULL
) {
1723 qemu_put_be32(f
, 0);
1727 usbredirparser_serialize(dev
->parser
, &data
, &len
);
1728 qemu_oom_check(data
);
1730 qemu_put_be32(f
, len
);
1731 qemu_put_buffer(f
, data
, len
);
1736 static int usbredir_get_parser(QEMUFile
*f
, void *priv
, size_t unused
)
1738 USBRedirDevice
*dev
= priv
;
1742 len
= qemu_get_be32(f
);
1748 * If our chardev is not open already at this point the usbredir connection
1749 * has been broken (non seamless migration, or restore from disk).
1751 * In this case create a temporary parser to receive the migration data,
1752 * and schedule the close_bh to report the device as disconnected to the
1753 * guest and to destroy the parser again.
1755 if (dev
->parser
== NULL
) {
1756 WARNING("usb-redir connection broken during migration\n");
1757 usbredir_create_parser(dev
);
1758 qemu_bh_schedule(dev
->chardev_close_bh
);
1761 data
= g_malloc(len
);
1762 qemu_get_buffer(f
, data
, len
);
1764 ret
= usbredirparser_unserialize(dev
->parser
, data
, len
);
1771 static const VMStateInfo usbredir_parser_vmstate_info
= {
1772 .name
= "usb-redir-parser",
1773 .put
= usbredir_put_parser
,
1774 .get
= usbredir_get_parser
,
1778 /* For buffered packets (iso/irq) queue migration */
1779 static void usbredir_put_bufpq(QEMUFile
*f
, void *priv
, size_t unused
)
1781 struct endp_data
*endp
= priv
;
1782 struct buf_packet
*bufp
;
1783 int remain
= endp
->bufpq_size
;
1785 qemu_put_be32(f
, endp
->bufpq_size
);
1786 QTAILQ_FOREACH(bufp
, &endp
->bufpq
, next
) {
1787 qemu_put_be32(f
, bufp
->len
);
1788 qemu_put_be32(f
, bufp
->status
);
1789 qemu_put_buffer(f
, bufp
->data
, bufp
->len
);
1792 assert(remain
== 0);
1795 static int usbredir_get_bufpq(QEMUFile
*f
, void *priv
, size_t unused
)
1797 struct endp_data
*endp
= priv
;
1798 struct buf_packet
*bufp
;
1801 endp
->bufpq_size
= qemu_get_be32(f
);
1802 for (i
= 0; i
< endp
->bufpq_size
; i
++) {
1803 bufp
= g_malloc(sizeof(struct buf_packet
));
1804 bufp
->len
= qemu_get_be32(f
);
1805 bufp
->status
= qemu_get_be32(f
);
1806 bufp
->data
= qemu_oom_check(malloc(bufp
->len
)); /* regular malloc! */
1807 qemu_get_buffer(f
, bufp
->data
, bufp
->len
);
1808 QTAILQ_INSERT_TAIL(&endp
->bufpq
, bufp
, next
);
1813 static const VMStateInfo usbredir_ep_bufpq_vmstate_info
= {
1814 .name
= "usb-redir-bufpq",
1815 .put
= usbredir_put_bufpq
,
1816 .get
= usbredir_get_bufpq
,
1820 /* For endp_data migration */
1821 static const VMStateDescription usbredir_ep_vmstate
= {
1822 .name
= "usb-redir-ep",
1824 .minimum_version_id
= 1,
1825 .fields
= (VMStateField
[]) {
1826 VMSTATE_UINT8(type
, struct endp_data
),
1827 VMSTATE_UINT8(interval
, struct endp_data
),
1828 VMSTATE_UINT8(interface
, struct endp_data
),
1829 VMSTATE_UINT16(max_packet_size
, struct endp_data
),
1830 VMSTATE_UINT8(iso_started
, struct endp_data
),
1831 VMSTATE_UINT8(iso_error
, struct endp_data
),
1832 VMSTATE_UINT8(interrupt_started
, struct endp_data
),
1833 VMSTATE_UINT8(interrupt_error
, struct endp_data
),
1834 VMSTATE_UINT8(bufpq_prefilled
, struct endp_data
),
1835 VMSTATE_UINT8(bufpq_dropping_packets
, struct endp_data
),
1839 .field_exists
= NULL
,
1841 .info
= &usbredir_ep_bufpq_vmstate_info
,
1842 .flags
= VMS_SINGLE
,
1845 VMSTATE_INT32(bufpq_target_size
, struct endp_data
),
1846 VMSTATE_END_OF_LIST()
1851 /* For PacketIdQueue migration */
1852 static void usbredir_put_packet_id_q(QEMUFile
*f
, void *priv
, size_t unused
)
1854 struct PacketIdQueue
*q
= priv
;
1855 USBRedirDevice
*dev
= q
->dev
;
1856 struct PacketIdQueueEntry
*e
;
1857 int remain
= q
->size
;
1859 DPRINTF("put_packet_id_q %s size %d\n", q
->name
, q
->size
);
1860 qemu_put_be32(f
, q
->size
);
1861 QTAILQ_FOREACH(e
, &q
->head
, next
) {
1862 qemu_put_be64(f
, e
->id
);
1865 assert(remain
== 0);
1868 static int usbredir_get_packet_id_q(QEMUFile
*f
, void *priv
, size_t unused
)
1870 struct PacketIdQueue
*q
= priv
;
1871 USBRedirDevice
*dev
= q
->dev
;
1875 size
= qemu_get_be32(f
);
1876 DPRINTF("get_packet_id_q %s size %d\n", q
->name
, size
);
1877 for (i
= 0; i
< size
; i
++) {
1878 id
= qemu_get_be64(f
);
1879 packet_id_queue_add(q
, id
);
1881 assert(q
->size
== size
);
1885 static const VMStateInfo usbredir_ep_packet_id_q_vmstate_info
= {
1886 .name
= "usb-redir-packet-id-q",
1887 .put
= usbredir_put_packet_id_q
,
1888 .get
= usbredir_get_packet_id_q
,
1891 static const VMStateDescription usbredir_ep_packet_id_queue_vmstate
= {
1892 .name
= "usb-redir-packet-id-queue",
1894 .minimum_version_id
= 1,
1895 .fields
= (VMStateField
[]) {
1899 .field_exists
= NULL
,
1901 .info
= &usbredir_ep_packet_id_q_vmstate_info
,
1902 .flags
= VMS_SINGLE
,
1905 VMSTATE_END_OF_LIST()
1910 /* For usb_redir_device_connect_header migration */
1911 static const VMStateDescription usbredir_device_info_vmstate
= {
1912 .name
= "usb-redir-device-info",
1914 .minimum_version_id
= 1,
1915 .fields
= (VMStateField
[]) {
1916 VMSTATE_UINT8(speed
, struct usb_redir_device_connect_header
),
1917 VMSTATE_UINT8(device_class
, struct usb_redir_device_connect_header
),
1918 VMSTATE_UINT8(device_subclass
, struct usb_redir_device_connect_header
),
1919 VMSTATE_UINT8(device_protocol
, struct usb_redir_device_connect_header
),
1920 VMSTATE_UINT16(vendor_id
, struct usb_redir_device_connect_header
),
1921 VMSTATE_UINT16(product_id
, struct usb_redir_device_connect_header
),
1922 VMSTATE_UINT16(device_version_bcd
,
1923 struct usb_redir_device_connect_header
),
1924 VMSTATE_END_OF_LIST()
1929 /* For usb_redir_interface_info_header migration */
1930 static const VMStateDescription usbredir_interface_info_vmstate
= {
1931 .name
= "usb-redir-interface-info",
1933 .minimum_version_id
= 1,
1934 .fields
= (VMStateField
[]) {
1935 VMSTATE_UINT32(interface_count
,
1936 struct usb_redir_interface_info_header
),
1937 VMSTATE_UINT8_ARRAY(interface
,
1938 struct usb_redir_interface_info_header
, 32),
1939 VMSTATE_UINT8_ARRAY(interface_class
,
1940 struct usb_redir_interface_info_header
, 32),
1941 VMSTATE_UINT8_ARRAY(interface_subclass
,
1942 struct usb_redir_interface_info_header
, 32),
1943 VMSTATE_UINT8_ARRAY(interface_protocol
,
1944 struct usb_redir_interface_info_header
, 32),
1945 VMSTATE_END_OF_LIST()
1950 /* And finally the USBRedirDevice vmstate itself */
1951 static const VMStateDescription usbredir_vmstate
= {
1952 .name
= "usb-redir",
1954 .minimum_version_id
= 1,
1955 .pre_save
= usbredir_pre_save
,
1956 .post_load
= usbredir_post_load
,
1957 .fields
= (VMStateField
[]) {
1958 VMSTATE_USB_DEVICE(dev
, USBRedirDevice
),
1959 VMSTATE_TIMER(attach_timer
, USBRedirDevice
),
1963 .field_exists
= NULL
,
1965 .info
= &usbredir_parser_vmstate_info
,
1966 .flags
= VMS_SINGLE
,
1969 VMSTATE_STRUCT_ARRAY(endpoint
, USBRedirDevice
, MAX_ENDPOINTS
, 1,
1970 usbredir_ep_vmstate
, struct endp_data
),
1971 VMSTATE_STRUCT(cancelled
, USBRedirDevice
, 1,
1972 usbredir_ep_packet_id_queue_vmstate
,
1973 struct PacketIdQueue
),
1974 VMSTATE_STRUCT(already_in_flight
, USBRedirDevice
, 1,
1975 usbredir_ep_packet_id_queue_vmstate
,
1976 struct PacketIdQueue
),
1977 VMSTATE_STRUCT(device_info
, USBRedirDevice
, 1,
1978 usbredir_device_info_vmstate
,
1979 struct usb_redir_device_connect_header
),
1980 VMSTATE_STRUCT(interface_info
, USBRedirDevice
, 1,
1981 usbredir_interface_info_vmstate
,
1982 struct usb_redir_interface_info_header
),
1983 VMSTATE_END_OF_LIST()
1987 static Property usbredir_properties
[] = {
1988 DEFINE_PROP_CHR("chardev", USBRedirDevice
, cs
),
1989 DEFINE_PROP_UINT8("debug", USBRedirDevice
, debug
, usbredirparser_warning
),
1990 DEFINE_PROP_STRING("filter", USBRedirDevice
, filter_str
),
1991 DEFINE_PROP_INT32("bootindex", USBRedirDevice
, bootindex
, -1),
1992 DEFINE_PROP_END_OF_LIST(),
1995 static void usbredir_class_initfn(ObjectClass
*klass
, void *data
)
1997 USBDeviceClass
*uc
= USB_DEVICE_CLASS(klass
);
1998 DeviceClass
*dc
= DEVICE_CLASS(klass
);
2000 uc
->init
= usbredir_initfn
;
2001 uc
->product_desc
= "USB Redirection Device";
2002 uc
->handle_destroy
= usbredir_handle_destroy
;
2003 uc
->cancel_packet
= usbredir_cancel_packet
;
2004 uc
->handle_reset
= usbredir_handle_reset
;
2005 uc
->handle_data
= usbredir_handle_data
;
2006 uc
->handle_control
= usbredir_handle_control
;
2007 uc
->flush_ep_queue
= usbredir_flush_ep_queue
;
2008 uc
->ep_stopped
= usbredir_ep_stopped
;
2009 dc
->vmsd
= &usbredir_vmstate
;
2010 dc
->props
= usbredir_properties
;
2013 static TypeInfo usbredir_dev_info
= {
2014 .name
= "usb-redir",
2015 .parent
= TYPE_USB_DEVICE
,
2016 .instance_size
= sizeof(USBRedirDevice
),
2017 .class_init
= usbredir_class_initfn
,
2020 static void usbredir_register_types(void)
2022 type_register_static(&usbredir_dev_info
);
2025 type_init(usbredir_register_types
)