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"
35 #include <sys/ioctl.h>
37 #include <usbredirparser.h>
38 #include <usbredirfilter.h>
42 #define MAX_ENDPOINTS 32
43 #define NO_INTERFACE_INFO 255 /* Valid interface_count always <= 32 */
44 #define EP2I(ep_address) (((ep_address & 0x80) >> 3) | (ep_address & 0x0f))
45 #define I2EP(i) (((i & 0x10) << 3) | (i & 0x0f))
47 typedef struct USBRedirDevice USBRedirDevice
;
49 /* Struct to hold buffered packets (iso or int input packets) */
54 QTAILQ_ENTRY(buf_packet
)next
;
60 uint8_t interface
; /* bInterfaceNumber this ep belongs to */
61 uint16_t max_packet_size
; /* In bytes, not wMaxPacketSize format !! */
63 uint8_t iso_error
; /* For reporting iso errors to the HC */
64 uint8_t interrupt_started
;
65 uint8_t interrupt_error
;
66 uint8_t bufpq_prefilled
;
67 uint8_t bufpq_dropping_packets
;
68 QTAILQ_HEAD(, buf_packet
) bufpq
;
70 int32_t bufpq_target_size
;
73 struct PacketIdQueueEntry
{
75 QTAILQ_ENTRY(PacketIdQueueEntry
)next
;
78 struct PacketIdQueue
{
81 QTAILQ_HEAD(, PacketIdQueueEntry
) head
;
85 struct USBRedirDevice
{
92 /* Data passed from chardev the fd_read cb to the usbredirparser read cb */
93 const uint8_t *read_buf
;
95 /* For async handling of close */
96 QEMUBH
*chardev_close_bh
;
97 /* To delay the usb attach in case of quick chardev close + open */
98 QEMUTimer
*attach_timer
;
99 int64_t next_attach_time
;
100 struct usbredirparser
*parser
;
101 struct endp_data endpoint
[MAX_ENDPOINTS
];
102 struct PacketIdQueue cancelled
;
103 struct PacketIdQueue already_in_flight
;
104 /* Data for device filtering */
105 struct usb_redir_device_connect_header device_info
;
106 struct usb_redir_interface_info_header interface_info
;
107 struct usbredirfilter_rule
*filter_rules
;
108 int filter_rules_count
;
109 int compatible_speedmask
;
112 static void usbredir_hello(void *priv
, struct usb_redir_hello_header
*h
);
113 static void usbredir_device_connect(void *priv
,
114 struct usb_redir_device_connect_header
*device_connect
);
115 static void usbredir_device_disconnect(void *priv
);
116 static void usbredir_interface_info(void *priv
,
117 struct usb_redir_interface_info_header
*interface_info
);
118 static void usbredir_ep_info(void *priv
,
119 struct usb_redir_ep_info_header
*ep_info
);
120 static void usbredir_configuration_status(void *priv
, uint64_t id
,
121 struct usb_redir_configuration_status_header
*configuration_status
);
122 static void usbredir_alt_setting_status(void *priv
, uint64_t id
,
123 struct usb_redir_alt_setting_status_header
*alt_setting_status
);
124 static void usbredir_iso_stream_status(void *priv
, uint64_t id
,
125 struct usb_redir_iso_stream_status_header
*iso_stream_status
);
126 static void usbredir_interrupt_receiving_status(void *priv
, uint64_t id
,
127 struct usb_redir_interrupt_receiving_status_header
128 *interrupt_receiving_status
);
129 static void usbredir_bulk_streams_status(void *priv
, uint64_t id
,
130 struct usb_redir_bulk_streams_status_header
*bulk_streams_status
);
131 static void usbredir_control_packet(void *priv
, uint64_t id
,
132 struct usb_redir_control_packet_header
*control_packet
,
133 uint8_t *data
, int data_len
);
134 static void usbredir_bulk_packet(void *priv
, uint64_t id
,
135 struct usb_redir_bulk_packet_header
*bulk_packet
,
136 uint8_t *data
, int data_len
);
137 static void usbredir_iso_packet(void *priv
, uint64_t id
,
138 struct usb_redir_iso_packet_header
*iso_packet
,
139 uint8_t *data
, int data_len
);
140 static void usbredir_interrupt_packet(void *priv
, uint64_t id
,
141 struct usb_redir_interrupt_packet_header
*interrupt_header
,
142 uint8_t *data
, int data_len
);
144 static void usbredir_handle_status(USBRedirDevice
*dev
, USBPacket
*p
,
147 #define VERSION "qemu usb-redir guest " QEMU_VERSION
155 if (dev->debug >= usbredirparser_error) { \
156 error_report("usb-redir error: " __VA_ARGS__); \
159 #define WARNING(...) \
161 if (dev->debug >= usbredirparser_warning) { \
162 error_report("usb-redir warning: " __VA_ARGS__); \
167 if (dev->debug >= usbredirparser_info) { \
168 error_report("usb-redir: " __VA_ARGS__); \
171 #define DPRINTF(...) \
173 if (dev->debug >= usbredirparser_debug) { \
174 error_report("usb-redir: " __VA_ARGS__); \
177 #define DPRINTF2(...) \
179 if (dev->debug >= usbredirparser_debug_data) { \
180 error_report("usb-redir: " __VA_ARGS__); \
184 static void usbredir_log(void *priv
, int level
, const char *msg
)
186 USBRedirDevice
*dev
= priv
;
188 if (dev
->debug
< level
) {
192 error_report("%s", msg
);
195 static void usbredir_log_data(USBRedirDevice
*dev
, const char *desc
,
196 const uint8_t *data
, int len
)
200 if (dev
->debug
< usbredirparser_debug_data
) {
204 for (i
= 0; i
< len
; i
+= j
) {
207 n
= sprintf(buf
, "%s", desc
);
208 for (j
= 0; j
< 8 && i
+ j
< len
; j
++) {
209 n
+= sprintf(buf
+ n
, " %02X", data
[i
+ j
]);
211 error_report("%s", buf
);
216 * usbredirparser io functions
219 static int usbredir_read(void *priv
, uint8_t *data
, int count
)
221 USBRedirDevice
*dev
= priv
;
223 if (dev
->read_buf_size
< count
) {
224 count
= dev
->read_buf_size
;
227 memcpy(data
, dev
->read_buf
, count
);
229 dev
->read_buf_size
-= count
;
230 if (dev
->read_buf_size
) {
231 dev
->read_buf
+= count
;
233 dev
->read_buf
= NULL
;
239 static int usbredir_write(void *priv
, uint8_t *data
, int count
)
241 USBRedirDevice
*dev
= priv
;
243 if (!dev
->cs
->opened
) {
247 /* Don't send new data to the chardev until our state is fully synced */
248 if (!runstate_check(RUN_STATE_RUNNING
)) {
252 return qemu_chr_fe_write(dev
->cs
, data
, count
);
256 * Cancelled and buffered packets helpers
259 static void packet_id_queue_init(struct PacketIdQueue
*q
,
260 USBRedirDevice
*dev
, const char *name
)
264 QTAILQ_INIT(&q
->head
);
268 static void packet_id_queue_add(struct PacketIdQueue
*q
, uint64_t id
)
270 USBRedirDevice
*dev
= q
->dev
;
271 struct PacketIdQueueEntry
*e
;
273 DPRINTF("adding packet id %"PRIu64
" to %s queue\n", id
, q
->name
);
275 e
= g_malloc0(sizeof(struct PacketIdQueueEntry
));
277 QTAILQ_INSERT_TAIL(&q
->head
, e
, next
);
281 static int packet_id_queue_remove(struct PacketIdQueue
*q
, uint64_t id
)
283 USBRedirDevice
*dev
= q
->dev
;
284 struct PacketIdQueueEntry
*e
;
286 QTAILQ_FOREACH(e
, &q
->head
, next
) {
288 DPRINTF("removing packet id %"PRIu64
" from %s queue\n",
290 QTAILQ_REMOVE(&q
->head
, e
, next
);
299 static void packet_id_queue_empty(struct PacketIdQueue
*q
)
301 USBRedirDevice
*dev
= q
->dev
;
302 struct PacketIdQueueEntry
*e
, *next_e
;
304 DPRINTF("removing %d packet-ids from %s queue\n", q
->size
, q
->name
);
306 QTAILQ_FOREACH_SAFE(e
, &q
->head
, next
, next_e
) {
307 QTAILQ_REMOVE(&q
->head
, e
, next
);
313 static void usbredir_cancel_packet(USBDevice
*udev
, USBPacket
*p
)
315 USBRedirDevice
*dev
= DO_UPCAST(USBRedirDevice
, dev
, udev
);
318 usb_combined_packet_cancel(udev
, p
);
322 packet_id_queue_add(&dev
->cancelled
, p
->id
);
323 usbredirparser_send_cancel_data_packet(dev
->parser
, p
->id
);
324 usbredirparser_do_write(dev
->parser
);
327 static int usbredir_is_cancelled(USBRedirDevice
*dev
, uint64_t id
)
329 if (!dev
->dev
.attached
) {
330 return 1; /* Treat everything as cancelled after a disconnect */
332 return packet_id_queue_remove(&dev
->cancelled
, id
);
335 static void usbredir_fill_already_in_flight_from_ep(USBRedirDevice
*dev
,
336 struct USBEndpoint
*ep
)
340 QTAILQ_FOREACH(p
, &ep
->queue
, queue
) {
341 /* Skip combined packets, except for the first */
342 if (p
->combined
&& p
!= p
->combined
->first
) {
345 if (p
->state
== USB_PACKET_ASYNC
) {
346 packet_id_queue_add(&dev
->already_in_flight
, p
->id
);
351 static void usbredir_fill_already_in_flight(USBRedirDevice
*dev
)
354 struct USBDevice
*udev
= &dev
->dev
;
356 usbredir_fill_already_in_flight_from_ep(dev
, &udev
->ep_ctl
);
358 for (ep
= 0; ep
< USB_MAX_ENDPOINTS
; ep
++) {
359 usbredir_fill_already_in_flight_from_ep(dev
, &udev
->ep_in
[ep
]);
360 usbredir_fill_already_in_flight_from_ep(dev
, &udev
->ep_out
[ep
]);
364 static int usbredir_already_in_flight(USBRedirDevice
*dev
, uint64_t id
)
366 return packet_id_queue_remove(&dev
->already_in_flight
, id
);
369 static USBPacket
*usbredir_find_packet_by_id(USBRedirDevice
*dev
,
370 uint8_t ep
, uint64_t id
)
374 if (usbredir_is_cancelled(dev
, id
)) {
378 p
= usb_ep_find_packet_by_id(&dev
->dev
,
379 (ep
& USB_DIR_IN
) ? USB_TOKEN_IN
: USB_TOKEN_OUT
,
382 ERROR("could not find packet with id %"PRIu64
"\n", id
);
387 static void bufp_alloc(USBRedirDevice
*dev
,
388 uint8_t *data
, int len
, int status
, uint8_t ep
)
390 struct buf_packet
*bufp
;
392 if (!dev
->endpoint
[EP2I(ep
)].bufpq_dropping_packets
&&
393 dev
->endpoint
[EP2I(ep
)].bufpq_size
>
394 2 * dev
->endpoint
[EP2I(ep
)].bufpq_target_size
) {
395 DPRINTF("bufpq overflow, dropping packets ep %02X\n", ep
);
396 dev
->endpoint
[EP2I(ep
)].bufpq_dropping_packets
= 1;
398 /* Since we're interupting the stream anyways, drop enough packets to get
399 back to our target buffer size */
400 if (dev
->endpoint
[EP2I(ep
)].bufpq_dropping_packets
) {
401 if (dev
->endpoint
[EP2I(ep
)].bufpq_size
>
402 dev
->endpoint
[EP2I(ep
)].bufpq_target_size
) {
406 dev
->endpoint
[EP2I(ep
)].bufpq_dropping_packets
= 0;
409 bufp
= g_malloc(sizeof(struct buf_packet
));
412 bufp
->status
= status
;
413 QTAILQ_INSERT_TAIL(&dev
->endpoint
[EP2I(ep
)].bufpq
, bufp
, next
);
414 dev
->endpoint
[EP2I(ep
)].bufpq_size
++;
417 static void bufp_free(USBRedirDevice
*dev
, struct buf_packet
*bufp
,
420 QTAILQ_REMOVE(&dev
->endpoint
[EP2I(ep
)].bufpq
, bufp
, next
);
421 dev
->endpoint
[EP2I(ep
)].bufpq_size
--;
426 static void usbredir_free_bufpq(USBRedirDevice
*dev
, uint8_t ep
)
428 struct buf_packet
*buf
, *buf_next
;
430 QTAILQ_FOREACH_SAFE(buf
, &dev
->endpoint
[EP2I(ep
)].bufpq
, next
, buf_next
) {
431 bufp_free(dev
, buf
, ep
);
436 * USBDevice callbacks
439 static void usbredir_handle_reset(USBDevice
*udev
)
441 USBRedirDevice
*dev
= DO_UPCAST(USBRedirDevice
, dev
, udev
);
443 DPRINTF("reset device\n");
444 usbredirparser_send_reset(dev
->parser
);
445 usbredirparser_do_write(dev
->parser
);
448 static void usbredir_handle_iso_data(USBRedirDevice
*dev
, USBPacket
*p
,
452 if (!dev
->endpoint
[EP2I(ep
)].iso_started
&&
453 !dev
->endpoint
[EP2I(ep
)].iso_error
) {
454 struct usb_redir_start_iso_stream_header start_iso
= {
459 if (dev
->dev
.speed
== USB_SPEED_HIGH
) {
460 pkts_per_sec
= 8000 / dev
->endpoint
[EP2I(ep
)].interval
;
462 pkts_per_sec
= 1000 / dev
->endpoint
[EP2I(ep
)].interval
;
464 /* Testing has shown that we need circa 60 ms buffer */
465 dev
->endpoint
[EP2I(ep
)].bufpq_target_size
= (pkts_per_sec
* 60) / 1000;
467 /* Aim for approx 100 interrupts / second on the client to
468 balance latency and interrupt load */
469 start_iso
.pkts_per_urb
= pkts_per_sec
/ 100;
470 if (start_iso
.pkts_per_urb
< 1) {
471 start_iso
.pkts_per_urb
= 1;
472 } else if (start_iso
.pkts_per_urb
> 32) {
473 start_iso
.pkts_per_urb
= 32;
476 start_iso
.no_urbs
= (dev
->endpoint
[EP2I(ep
)].bufpq_target_size
+
477 start_iso
.pkts_per_urb
- 1) /
478 start_iso
.pkts_per_urb
;
479 /* Output endpoints pre-fill only 1/2 of the packets, keeping the rest
480 as overflow buffer. Also see the usbredir protocol documentation */
481 if (!(ep
& USB_DIR_IN
)) {
482 start_iso
.no_urbs
*= 2;
484 if (start_iso
.no_urbs
> 16) {
485 start_iso
.no_urbs
= 16;
488 /* No id, we look at the ep when receiving a status back */
489 usbredirparser_send_start_iso_stream(dev
->parser
, 0, &start_iso
);
490 usbredirparser_do_write(dev
->parser
);
491 DPRINTF("iso stream started pkts/sec %d pkts/urb %d urbs %d ep %02X\n",
492 pkts_per_sec
, start_iso
.pkts_per_urb
, start_iso
.no_urbs
, ep
);
493 dev
->endpoint
[EP2I(ep
)].iso_started
= 1;
494 dev
->endpoint
[EP2I(ep
)].bufpq_prefilled
= 0;
495 dev
->endpoint
[EP2I(ep
)].bufpq_dropping_packets
= 0;
498 if (ep
& USB_DIR_IN
) {
499 struct buf_packet
*isop
;
501 if (dev
->endpoint
[EP2I(ep
)].iso_started
&&
502 !dev
->endpoint
[EP2I(ep
)].bufpq_prefilled
) {
503 if (dev
->endpoint
[EP2I(ep
)].bufpq_size
<
504 dev
->endpoint
[EP2I(ep
)].bufpq_target_size
) {
507 dev
->endpoint
[EP2I(ep
)].bufpq_prefilled
= 1;
510 isop
= QTAILQ_FIRST(&dev
->endpoint
[EP2I(ep
)].bufpq
);
512 DPRINTF("iso-token-in ep %02X, no isop, iso_error: %d\n",
513 ep
, dev
->endpoint
[EP2I(ep
)].iso_error
);
514 /* Re-fill the buffer */
515 dev
->endpoint
[EP2I(ep
)].bufpq_prefilled
= 0;
516 /* Check iso_error for stream errors, otherwise its an underrun */
517 status
= dev
->endpoint
[EP2I(ep
)].iso_error
;
518 dev
->endpoint
[EP2I(ep
)].iso_error
= 0;
519 p
->status
= status
? USB_RET_IOERROR
: USB_RET_SUCCESS
;
522 DPRINTF2("iso-token-in ep %02X status %d len %d queue-size: %d\n", ep
,
523 isop
->status
, isop
->len
, dev
->endpoint
[EP2I(ep
)].bufpq_size
);
525 status
= isop
->status
;
527 if (len
> p
->iov
.size
) {
528 ERROR("received iso data is larger then packet ep %02X (%d > %d)\n",
529 ep
, len
, (int)p
->iov
.size
);
531 status
= usb_redir_babble
;
533 usb_packet_copy(p
, isop
->data
, len
);
534 bufp_free(dev
, isop
, ep
);
535 usbredir_handle_status(dev
, p
, status
);
537 /* If the stream was not started because of a pending error don't
538 send the packet to the usb-host */
539 if (dev
->endpoint
[EP2I(ep
)].iso_started
) {
540 struct usb_redir_iso_packet_header iso_packet
= {
542 .length
= p
->iov
.size
544 uint8_t buf
[p
->iov
.size
];
545 /* No id, we look at the ep when receiving a status back */
546 usb_packet_copy(p
, buf
, p
->iov
.size
);
547 usbredirparser_send_iso_packet(dev
->parser
, 0, &iso_packet
,
549 usbredirparser_do_write(dev
->parser
);
551 status
= dev
->endpoint
[EP2I(ep
)].iso_error
;
552 dev
->endpoint
[EP2I(ep
)].iso_error
= 0;
553 DPRINTF2("iso-token-out ep %02X status %d len %zd\n", ep
, status
,
555 usbredir_handle_status(dev
, p
, status
);
559 static void usbredir_stop_iso_stream(USBRedirDevice
*dev
, uint8_t ep
)
561 struct usb_redir_stop_iso_stream_header stop_iso_stream
= {
564 if (dev
->endpoint
[EP2I(ep
)].iso_started
) {
565 usbredirparser_send_stop_iso_stream(dev
->parser
, 0, &stop_iso_stream
);
566 DPRINTF("iso stream stopped ep %02X\n", ep
);
567 dev
->endpoint
[EP2I(ep
)].iso_started
= 0;
569 dev
->endpoint
[EP2I(ep
)].iso_error
= 0;
570 usbredir_free_bufpq(dev
, ep
);
573 static void usbredir_handle_bulk_data(USBRedirDevice
*dev
, USBPacket
*p
,
576 struct usb_redir_bulk_packet_header bulk_packet
;
577 size_t size
= (p
->combined
) ? p
->combined
->iov
.size
: p
->iov
.size
;
579 DPRINTF("bulk-out ep %02X len %zd id %"PRIu64
"\n", ep
, size
, p
->id
);
581 if (usbredir_already_in_flight(dev
, p
->id
)) {
582 p
->status
= USB_RET_ASYNC
;
586 bulk_packet
.endpoint
= ep
;
587 bulk_packet
.length
= size
;
588 bulk_packet
.stream_id
= 0;
589 bulk_packet
.length_high
= size
>> 16;
590 assert(bulk_packet
.length_high
== 0 ||
591 usbredirparser_peer_has_cap(dev
->parser
,
592 usb_redir_cap_32bits_bulk_length
));
594 if (ep
& USB_DIR_IN
) {
595 usbredirparser_send_bulk_packet(dev
->parser
, p
->id
,
596 &bulk_packet
, NULL
, 0);
600 iov_to_buf(p
->combined
->iov
.iov
, p
->combined
->iov
.niov
,
603 usb_packet_copy(p
, buf
, size
);
605 usbredir_log_data(dev
, "bulk data out:", buf
, size
);
606 usbredirparser_send_bulk_packet(dev
->parser
, p
->id
,
607 &bulk_packet
, buf
, size
);
609 usbredirparser_do_write(dev
->parser
);
610 p
->status
= USB_RET_ASYNC
;
613 static void usbredir_handle_interrupt_in_data(USBRedirDevice
*dev
,
614 USBPacket
*p
, uint8_t ep
)
616 /* Input interrupt endpoint, buffered packet input */
617 struct buf_packet
*intp
;
620 if (!dev
->endpoint
[EP2I(ep
)].interrupt_started
&&
621 !dev
->endpoint
[EP2I(ep
)].interrupt_error
) {
622 struct usb_redir_start_interrupt_receiving_header start_int
= {
625 /* No id, we look at the ep when receiving a status back */
626 usbredirparser_send_start_interrupt_receiving(dev
->parser
, 0,
628 usbredirparser_do_write(dev
->parser
);
629 DPRINTF("interrupt recv started ep %02X\n", ep
);
630 dev
->endpoint
[EP2I(ep
)].interrupt_started
= 1;
631 /* We don't really want to drop interrupt packets ever, but
632 having some upper limit to how much we buffer is good. */
633 dev
->endpoint
[EP2I(ep
)].bufpq_target_size
= 1000;
634 dev
->endpoint
[EP2I(ep
)].bufpq_dropping_packets
= 0;
637 intp
= QTAILQ_FIRST(&dev
->endpoint
[EP2I(ep
)].bufpq
);
639 DPRINTF2("interrupt-token-in ep %02X, no intp\n", ep
);
640 /* Check interrupt_error for stream errors */
641 status
= dev
->endpoint
[EP2I(ep
)].interrupt_error
;
642 dev
->endpoint
[EP2I(ep
)].interrupt_error
= 0;
644 usbredir_handle_status(dev
, p
, status
);
646 p
->status
= USB_RET_NAK
;
650 DPRINTF("interrupt-token-in ep %02X status %d len %d\n", ep
,
651 intp
->status
, intp
->len
);
653 status
= intp
->status
;
655 if (len
> p
->iov
.size
) {
656 ERROR("received int data is larger then packet ep %02X\n", ep
);
658 status
= usb_redir_babble
;
660 usb_packet_copy(p
, intp
->data
, len
);
661 bufp_free(dev
, intp
, ep
);
662 usbredir_handle_status(dev
, p
, status
);
666 * Handle interrupt out data, the usbredir protocol expects us to do this
667 * async, so that it can report back a completion status. But guests will
668 * expect immediate completion for an interrupt endpoint, and handling this
669 * async causes migration issues. So we report success directly, counting
670 * on the fact that output interrupt packets normally always succeed.
672 static void usbredir_handle_interrupt_out_data(USBRedirDevice
*dev
,
673 USBPacket
*p
, uint8_t ep
)
675 struct usb_redir_interrupt_packet_header interrupt_packet
;
676 uint8_t buf
[p
->iov
.size
];
678 DPRINTF("interrupt-out ep %02X len %zd id %"PRIu64
"\n", ep
,
681 interrupt_packet
.endpoint
= ep
;
682 interrupt_packet
.length
= p
->iov
.size
;
684 usb_packet_copy(p
, buf
, p
->iov
.size
);
685 usbredir_log_data(dev
, "interrupt data out:", buf
, p
->iov
.size
);
686 usbredirparser_send_interrupt_packet(dev
->parser
, p
->id
,
687 &interrupt_packet
, buf
, p
->iov
.size
);
688 usbredirparser_do_write(dev
->parser
);
691 static void usbredir_stop_interrupt_receiving(USBRedirDevice
*dev
,
694 struct usb_redir_stop_interrupt_receiving_header stop_interrupt_recv
= {
697 if (dev
->endpoint
[EP2I(ep
)].interrupt_started
) {
698 usbredirparser_send_stop_interrupt_receiving(dev
->parser
, 0,
699 &stop_interrupt_recv
);
700 DPRINTF("interrupt recv stopped ep %02X\n", ep
);
701 dev
->endpoint
[EP2I(ep
)].interrupt_started
= 0;
703 dev
->endpoint
[EP2I(ep
)].interrupt_error
= 0;
704 usbredir_free_bufpq(dev
, ep
);
707 static void usbredir_handle_data(USBDevice
*udev
, USBPacket
*p
)
709 USBRedirDevice
*dev
= DO_UPCAST(USBRedirDevice
, dev
, udev
);
713 if (p
->pid
== USB_TOKEN_IN
) {
717 switch (dev
->endpoint
[EP2I(ep
)].type
) {
718 case USB_ENDPOINT_XFER_CONTROL
:
719 ERROR("handle_data called for control transfer on ep %02X\n", ep
);
720 p
->status
= USB_RET_NAK
;
722 case USB_ENDPOINT_XFER_ISOC
:
723 usbredir_handle_iso_data(dev
, p
, ep
);
725 case USB_ENDPOINT_XFER_BULK
:
726 if (p
->state
== USB_PACKET_SETUP
&& p
->pid
== USB_TOKEN_IN
&&
728 p
->status
= USB_RET_ADD_TO_QUEUE
;
731 usbredir_handle_bulk_data(dev
, p
, ep
);
733 case USB_ENDPOINT_XFER_INT
:
734 if (ep
& USB_DIR_IN
) {
735 usbredir_handle_interrupt_in_data(dev
, p
, ep
);
737 usbredir_handle_interrupt_out_data(dev
, p
, ep
);
741 ERROR("handle_data ep %02X has unknown type %d\n", ep
,
742 dev
->endpoint
[EP2I(ep
)].type
);
743 p
->status
= USB_RET_NAK
;
747 static void usbredir_flush_ep_queue(USBDevice
*dev
, USBEndpoint
*ep
)
749 if (ep
->pid
== USB_TOKEN_IN
&& ep
->pipeline
) {
750 usb_ep_combine_input_packets(ep
);
754 static void usbredir_set_config(USBRedirDevice
*dev
, USBPacket
*p
,
757 struct usb_redir_set_configuration_header set_config
;
760 DPRINTF("set config %d id %"PRIu64
"\n", config
, p
->id
);
762 for (i
= 0; i
< MAX_ENDPOINTS
; i
++) {
763 switch (dev
->endpoint
[i
].type
) {
764 case USB_ENDPOINT_XFER_ISOC
:
765 usbredir_stop_iso_stream(dev
, I2EP(i
));
767 case USB_ENDPOINT_XFER_INT
:
769 usbredir_stop_interrupt_receiving(dev
, I2EP(i
));
773 usbredir_free_bufpq(dev
, I2EP(i
));
776 set_config
.configuration
= config
;
777 usbredirparser_send_set_configuration(dev
->parser
, p
->id
, &set_config
);
778 usbredirparser_do_write(dev
->parser
);
779 p
->status
= USB_RET_ASYNC
;
782 static void usbredir_get_config(USBRedirDevice
*dev
, USBPacket
*p
)
784 DPRINTF("get config id %"PRIu64
"\n", p
->id
);
786 usbredirparser_send_get_configuration(dev
->parser
, p
->id
);
787 usbredirparser_do_write(dev
->parser
);
788 p
->status
= USB_RET_ASYNC
;
791 static void usbredir_set_interface(USBRedirDevice
*dev
, USBPacket
*p
,
792 int interface
, int alt
)
794 struct usb_redir_set_alt_setting_header set_alt
;
797 DPRINTF("set interface %d alt %d id %"PRIu64
"\n", interface
, alt
, p
->id
);
799 for (i
= 0; i
< MAX_ENDPOINTS
; i
++) {
800 if (dev
->endpoint
[i
].interface
== interface
) {
801 switch (dev
->endpoint
[i
].type
) {
802 case USB_ENDPOINT_XFER_ISOC
:
803 usbredir_stop_iso_stream(dev
, I2EP(i
));
805 case USB_ENDPOINT_XFER_INT
:
807 usbredir_stop_interrupt_receiving(dev
, I2EP(i
));
811 usbredir_free_bufpq(dev
, I2EP(i
));
815 set_alt
.interface
= interface
;
817 usbredirparser_send_set_alt_setting(dev
->parser
, p
->id
, &set_alt
);
818 usbredirparser_do_write(dev
->parser
);
819 p
->status
= USB_RET_ASYNC
;
822 static void usbredir_get_interface(USBRedirDevice
*dev
, USBPacket
*p
,
825 struct usb_redir_get_alt_setting_header get_alt
;
827 DPRINTF("get interface %d id %"PRIu64
"\n", interface
, p
->id
);
829 get_alt
.interface
= interface
;
830 usbredirparser_send_get_alt_setting(dev
->parser
, p
->id
, &get_alt
);
831 usbredirparser_do_write(dev
->parser
);
832 p
->status
= USB_RET_ASYNC
;
835 static void usbredir_handle_control(USBDevice
*udev
, USBPacket
*p
,
836 int request
, int value
, int index
, int length
, uint8_t *data
)
838 USBRedirDevice
*dev
= DO_UPCAST(USBRedirDevice
, dev
, udev
);
839 struct usb_redir_control_packet_header control_packet
;
841 if (usbredir_already_in_flight(dev
, p
->id
)) {
842 p
->status
= USB_RET_ASYNC
;
846 /* Special cases for certain standard device requests */
848 case DeviceOutRequest
| USB_REQ_SET_ADDRESS
:
849 DPRINTF("set address %d\n", value
);
850 dev
->dev
.addr
= value
;
852 case DeviceOutRequest
| USB_REQ_SET_CONFIGURATION
:
853 usbredir_set_config(dev
, p
, value
& 0xff);
855 case DeviceRequest
| USB_REQ_GET_CONFIGURATION
:
856 usbredir_get_config(dev
, p
);
858 case InterfaceOutRequest
| USB_REQ_SET_INTERFACE
:
859 usbredir_set_interface(dev
, p
, index
, value
);
861 case InterfaceRequest
| USB_REQ_GET_INTERFACE
:
862 usbredir_get_interface(dev
, p
, index
);
866 /* Normal ctrl requests, note request is (bRequestType << 8) | bRequest */
868 "ctrl-out type 0x%x req 0x%x val 0x%x index %d len %d id %"PRIu64
"\n",
869 request
>> 8, request
& 0xff, value
, index
, length
, p
->id
);
871 control_packet
.request
= request
& 0xFF;
872 control_packet
.requesttype
= request
>> 8;
873 control_packet
.endpoint
= control_packet
.requesttype
& USB_DIR_IN
;
874 control_packet
.value
= value
;
875 control_packet
.index
= index
;
876 control_packet
.length
= length
;
878 if (control_packet
.requesttype
& USB_DIR_IN
) {
879 usbredirparser_send_control_packet(dev
->parser
, p
->id
,
880 &control_packet
, NULL
, 0);
882 usbredir_log_data(dev
, "ctrl data out:", data
, length
);
883 usbredirparser_send_control_packet(dev
->parser
, p
->id
,
884 &control_packet
, data
, length
);
886 usbredirparser_do_write(dev
->parser
);
887 p
->status
= USB_RET_ASYNC
;
891 * Close events can be triggered by usbredirparser_do_write which gets called
892 * from within the USBDevice data / control packet callbacks and doing a
893 * usb_detach from within these callbacks is not a good idea.
895 * So we use a bh handler to take care of close events.
897 static void usbredir_chardev_close_bh(void *opaque
)
899 USBRedirDevice
*dev
= opaque
;
901 usbredir_device_disconnect(dev
);
904 DPRINTF("destroying usbredirparser\n");
905 usbredirparser_destroy(dev
->parser
);
910 static void usbredir_create_parser(USBRedirDevice
*dev
)
912 uint32_t caps
[USB_REDIR_CAPS_SIZE
] = { 0, };
915 DPRINTF("creating usbredirparser\n");
917 dev
->parser
= qemu_oom_check(usbredirparser_create());
918 dev
->parser
->priv
= dev
;
919 dev
->parser
->log_func
= usbredir_log
;
920 dev
->parser
->read_func
= usbredir_read
;
921 dev
->parser
->write_func
= usbredir_write
;
922 dev
->parser
->hello_func
= usbredir_hello
;
923 dev
->parser
->device_connect_func
= usbredir_device_connect
;
924 dev
->parser
->device_disconnect_func
= usbredir_device_disconnect
;
925 dev
->parser
->interface_info_func
= usbredir_interface_info
;
926 dev
->parser
->ep_info_func
= usbredir_ep_info
;
927 dev
->parser
->configuration_status_func
= usbredir_configuration_status
;
928 dev
->parser
->alt_setting_status_func
= usbredir_alt_setting_status
;
929 dev
->parser
->iso_stream_status_func
= usbredir_iso_stream_status
;
930 dev
->parser
->interrupt_receiving_status_func
=
931 usbredir_interrupt_receiving_status
;
932 dev
->parser
->bulk_streams_status_func
= usbredir_bulk_streams_status
;
933 dev
->parser
->control_packet_func
= usbredir_control_packet
;
934 dev
->parser
->bulk_packet_func
= usbredir_bulk_packet
;
935 dev
->parser
->iso_packet_func
= usbredir_iso_packet
;
936 dev
->parser
->interrupt_packet_func
= usbredir_interrupt_packet
;
937 dev
->read_buf
= NULL
;
938 dev
->read_buf_size
= 0;
940 usbredirparser_caps_set_cap(caps
, usb_redir_cap_connect_device_version
);
941 usbredirparser_caps_set_cap(caps
, usb_redir_cap_filter
);
942 usbredirparser_caps_set_cap(caps
, usb_redir_cap_ep_info_max_packet_size
);
943 usbredirparser_caps_set_cap(caps
, usb_redir_cap_64bits_ids
);
944 usbredirparser_caps_set_cap(caps
, usb_redir_cap_32bits_bulk_length
);
946 if (runstate_check(RUN_STATE_INMIGRATE
)) {
947 flags
|= usbredirparser_fl_no_hello
;
949 usbredirparser_init(dev
->parser
, VERSION
, caps
, USB_REDIR_CAPS_SIZE
,
951 usbredirparser_do_write(dev
->parser
);
954 static void usbredir_reject_device(USBRedirDevice
*dev
)
956 usbredir_device_disconnect(dev
);
957 if (usbredirparser_peer_has_cap(dev
->parser
, usb_redir_cap_filter
)) {
958 usbredirparser_send_filter_reject(dev
->parser
);
959 usbredirparser_do_write(dev
->parser
);
963 static void usbredir_do_attach(void *opaque
)
965 USBRedirDevice
*dev
= opaque
;
967 /* In order to work properly with XHCI controllers we need these caps */
968 if ((dev
->dev
.port
->speedmask
& USB_SPEED_MASK_SUPER
) && !(
969 usbredirparser_peer_has_cap(dev
->parser
,
970 usb_redir_cap_ep_info_max_packet_size
) &&
971 usbredirparser_peer_has_cap(dev
->parser
,
972 usb_redir_cap_64bits_ids
))) {
973 ERROR("usb-redir-host lacks capabilities needed for use with XHCI\n");
974 usbredir_reject_device(dev
);
978 if (usb_device_attach(&dev
->dev
) != 0) {
979 WARNING("rejecting device due to speed mismatch\n");
980 usbredir_reject_device(dev
);
988 static int usbredir_chardev_can_read(void *opaque
)
990 USBRedirDevice
*dev
= opaque
;
993 WARNING("chardev_can_read called on non open chardev!\n");
997 /* Don't read new data from the chardev until our state is fully synced */
998 if (!runstate_check(RUN_STATE_RUNNING
)) {
1002 /* usbredir_parser_do_read will consume *all* data we give it */
1006 static void usbredir_chardev_read(void *opaque
, const uint8_t *buf
, int size
)
1008 USBRedirDevice
*dev
= opaque
;
1010 /* No recursion allowed! */
1011 assert(dev
->read_buf
== NULL
);
1013 dev
->read_buf
= buf
;
1014 dev
->read_buf_size
= size
;
1016 usbredirparser_do_read(dev
->parser
);
1017 /* Send any acks, etc. which may be queued now */
1018 usbredirparser_do_write(dev
->parser
);
1021 static void usbredir_chardev_event(void *opaque
, int event
)
1023 USBRedirDevice
*dev
= opaque
;
1026 case CHR_EVENT_OPENED
:
1027 DPRINTF("chardev open\n");
1028 /* Make sure any pending closes are handled (no-op if none pending) */
1029 usbredir_chardev_close_bh(dev
);
1030 qemu_bh_cancel(dev
->chardev_close_bh
);
1031 usbredir_create_parser(dev
);
1033 case CHR_EVENT_CLOSED
:
1034 DPRINTF("chardev close\n");
1035 qemu_bh_schedule(dev
->chardev_close_bh
);
1044 static void usbredir_vm_state_change(void *priv
, int running
, RunState state
)
1046 USBRedirDevice
*dev
= priv
;
1048 if (state
== RUN_STATE_RUNNING
&& dev
->parser
!= NULL
) {
1049 usbredirparser_do_write(dev
->parser
); /* Flush any pending writes */
1053 static int usbredir_initfn(USBDevice
*udev
)
1055 USBRedirDevice
*dev
= DO_UPCAST(USBRedirDevice
, dev
, udev
);
1058 if (dev
->cs
== NULL
) {
1059 qerror_report(QERR_MISSING_PARAMETER
, "chardev");
1063 if (dev
->filter_str
) {
1064 i
= usbredirfilter_string_to_rules(dev
->filter_str
, ":", "|",
1066 &dev
->filter_rules_count
);
1068 qerror_report(QERR_INVALID_PARAMETER_VALUE
, "filter",
1069 "a usb device filter string");
1074 dev
->chardev_close_bh
= qemu_bh_new(usbredir_chardev_close_bh
, dev
);
1075 dev
->attach_timer
= qemu_new_timer_ms(vm_clock
, usbredir_do_attach
, dev
);
1077 packet_id_queue_init(&dev
->cancelled
, dev
, "cancelled");
1078 packet_id_queue_init(&dev
->already_in_flight
, dev
, "already-in-flight");
1079 for (i
= 0; i
< MAX_ENDPOINTS
; i
++) {
1080 QTAILQ_INIT(&dev
->endpoint
[i
].bufpq
);
1083 /* We'll do the attach once we receive the speed from the usb-host */
1084 udev
->auto_attach
= 0;
1086 /* Will be cleared during setup when we find conflicts */
1087 dev
->compatible_speedmask
= USB_SPEED_MASK_FULL
| USB_SPEED_MASK_HIGH
;
1089 /* Let the backend know we are ready */
1090 qemu_chr_fe_open(dev
->cs
);
1091 qemu_chr_add_handlers(dev
->cs
, usbredir_chardev_can_read
,
1092 usbredir_chardev_read
, usbredir_chardev_event
, dev
);
1094 qemu_add_vm_change_state_handler(usbredir_vm_state_change
, dev
);
1095 add_boot_device_path(dev
->bootindex
, &udev
->qdev
, NULL
);
1099 static void usbredir_cleanup_device_queues(USBRedirDevice
*dev
)
1103 packet_id_queue_empty(&dev
->cancelled
);
1104 packet_id_queue_empty(&dev
->already_in_flight
);
1105 for (i
= 0; i
< MAX_ENDPOINTS
; i
++) {
1106 usbredir_free_bufpq(dev
, I2EP(i
));
1110 static void usbredir_handle_destroy(USBDevice
*udev
)
1112 USBRedirDevice
*dev
= DO_UPCAST(USBRedirDevice
, dev
, udev
);
1114 qemu_chr_fe_close(dev
->cs
);
1115 qemu_chr_delete(dev
->cs
);
1116 /* Note must be done after qemu_chr_close, as that causes a close event */
1117 qemu_bh_delete(dev
->chardev_close_bh
);
1119 qemu_del_timer(dev
->attach_timer
);
1120 qemu_free_timer(dev
->attach_timer
);
1122 usbredir_cleanup_device_queues(dev
);
1125 usbredirparser_destroy(dev
->parser
);
1128 free(dev
->filter_rules
);
1131 static int usbredir_check_filter(USBRedirDevice
*dev
)
1133 if (dev
->interface_info
.interface_count
== NO_INTERFACE_INFO
) {
1134 ERROR("No interface info for device\n");
1138 if (dev
->filter_rules
) {
1139 if (!usbredirparser_peer_has_cap(dev
->parser
,
1140 usb_redir_cap_connect_device_version
)) {
1141 ERROR("Device filter specified and peer does not have the "
1142 "connect_device_version capability\n");
1146 if (usbredirfilter_check(
1148 dev
->filter_rules_count
,
1149 dev
->device_info
.device_class
,
1150 dev
->device_info
.device_subclass
,
1151 dev
->device_info
.device_protocol
,
1152 dev
->interface_info
.interface_class
,
1153 dev
->interface_info
.interface_subclass
,
1154 dev
->interface_info
.interface_protocol
,
1155 dev
->interface_info
.interface_count
,
1156 dev
->device_info
.vendor_id
,
1157 dev
->device_info
.product_id
,
1158 dev
->device_info
.device_version_bcd
,
1167 usbredir_reject_device(dev
);
1172 * usbredirparser packet complete callbacks
1175 static void usbredir_handle_status(USBRedirDevice
*dev
, USBPacket
*p
,
1179 case usb_redir_success
:
1180 p
->status
= USB_RET_SUCCESS
; /* Clear previous ASYNC status */
1182 case usb_redir_stall
:
1183 p
->status
= USB_RET_STALL
;
1185 case usb_redir_cancelled
:
1187 * When the usbredir-host unredirects a device, it will report a status
1188 * of cancelled for all pending packets, followed by a disconnect msg.
1190 p
->status
= USB_RET_IOERROR
;
1192 case usb_redir_inval
:
1193 WARNING("got invalid param error from usb-host?\n");
1194 p
->status
= USB_RET_IOERROR
;
1196 case usb_redir_babble
:
1197 p
->status
= USB_RET_BABBLE
;
1199 case usb_redir_ioerror
:
1200 case usb_redir_timeout
:
1202 p
->status
= USB_RET_IOERROR
;
1206 static void usbredir_hello(void *priv
, struct usb_redir_hello_header
*h
)
1208 USBRedirDevice
*dev
= priv
;
1210 /* Try to send the filter info now that we've the usb-host's caps */
1211 if (usbredirparser_peer_has_cap(dev
->parser
, usb_redir_cap_filter
) &&
1212 dev
->filter_rules
) {
1213 usbredirparser_send_filter_filter(dev
->parser
, dev
->filter_rules
,
1214 dev
->filter_rules_count
);
1215 usbredirparser_do_write(dev
->parser
);
1219 static void usbredir_device_connect(void *priv
,
1220 struct usb_redir_device_connect_header
*device_connect
)
1222 USBRedirDevice
*dev
= priv
;
1225 if (qemu_timer_pending(dev
->attach_timer
) || dev
->dev
.attached
) {
1226 ERROR("Received device connect while already connected\n");
1230 switch (device_connect
->speed
) {
1231 case usb_redir_speed_low
:
1232 speed
= "low speed";
1233 dev
->dev
.speed
= USB_SPEED_LOW
;
1234 dev
->compatible_speedmask
&= ~USB_SPEED_MASK_FULL
;
1235 dev
->compatible_speedmask
&= ~USB_SPEED_MASK_HIGH
;
1237 case usb_redir_speed_full
:
1238 speed
= "full speed";
1239 dev
->dev
.speed
= USB_SPEED_FULL
;
1240 dev
->compatible_speedmask
&= ~USB_SPEED_MASK_HIGH
;
1242 case usb_redir_speed_high
:
1243 speed
= "high speed";
1244 dev
->dev
.speed
= USB_SPEED_HIGH
;
1246 case usb_redir_speed_super
:
1247 speed
= "super speed";
1248 dev
->dev
.speed
= USB_SPEED_SUPER
;
1251 speed
= "unknown speed";
1252 dev
->dev
.speed
= USB_SPEED_FULL
;
1255 if (usbredirparser_peer_has_cap(dev
->parser
,
1256 usb_redir_cap_connect_device_version
)) {
1257 INFO("attaching %s device %04x:%04x version %d.%d class %02x\n",
1258 speed
, device_connect
->vendor_id
, device_connect
->product_id
,
1259 ((device_connect
->device_version_bcd
& 0xf000) >> 12) * 10 +
1260 ((device_connect
->device_version_bcd
& 0x0f00) >> 8),
1261 ((device_connect
->device_version_bcd
& 0x00f0) >> 4) * 10 +
1262 ((device_connect
->device_version_bcd
& 0x000f) >> 0),
1263 device_connect
->device_class
);
1265 INFO("attaching %s device %04x:%04x class %02x\n", speed
,
1266 device_connect
->vendor_id
, device_connect
->product_id
,
1267 device_connect
->device_class
);
1270 dev
->dev
.speedmask
= (1 << dev
->dev
.speed
) | dev
->compatible_speedmask
;
1271 dev
->device_info
= *device_connect
;
1273 if (usbredir_check_filter(dev
)) {
1274 WARNING("Device %04x:%04x rejected by device filter, not attaching\n",
1275 device_connect
->vendor_id
, device_connect
->product_id
);
1279 qemu_mod_timer(dev
->attach_timer
, dev
->next_attach_time
);
1282 static void usbredir_device_disconnect(void *priv
)
1284 USBRedirDevice
*dev
= priv
;
1287 /* Stop any pending attaches */
1288 qemu_del_timer(dev
->attach_timer
);
1290 if (dev
->dev
.attached
) {
1291 DPRINTF("detaching device\n");
1292 usb_device_detach(&dev
->dev
);
1294 * Delay next usb device attach to give the guest a chance to see
1295 * see the detach / attach in case of quick close / open succession
1297 dev
->next_attach_time
= qemu_get_clock_ms(vm_clock
) + 200;
1300 /* Reset state so that the next dev connected starts with a clean slate */
1301 usbredir_cleanup_device_queues(dev
);
1302 memset(dev
->endpoint
, 0, sizeof(dev
->endpoint
));
1303 for (i
= 0; i
< MAX_ENDPOINTS
; i
++) {
1304 QTAILQ_INIT(&dev
->endpoint
[i
].bufpq
);
1306 usb_ep_init(&dev
->dev
);
1307 dev
->interface_info
.interface_count
= NO_INTERFACE_INFO
;
1310 dev
->compatible_speedmask
= USB_SPEED_MASK_FULL
| USB_SPEED_MASK_HIGH
;
1313 static void usbredir_interface_info(void *priv
,
1314 struct usb_redir_interface_info_header
*interface_info
)
1316 USBRedirDevice
*dev
= priv
;
1318 dev
->interface_info
= *interface_info
;
1321 * If we receive interface info after the device has already been
1322 * connected (ie on a set_config), re-check the filter.
1324 if (qemu_timer_pending(dev
->attach_timer
) || dev
->dev
.attached
) {
1325 if (usbredir_check_filter(dev
)) {
1326 ERROR("Device no longer matches filter after interface info "
1327 "change, disconnecting!\n");
1332 static void usbredir_mark_speed_incompatible(USBRedirDevice
*dev
, int speed
)
1334 dev
->compatible_speedmask
&= ~(1 << speed
);
1335 dev
->dev
.speedmask
= (1 << dev
->dev
.speed
) | dev
->compatible_speedmask
;
1338 static void usbredir_set_pipeline(USBRedirDevice
*dev
, struct USBEndpoint
*uep
)
1340 if (uep
->type
!= USB_ENDPOINT_XFER_BULK
) {
1343 if (uep
->pid
== USB_TOKEN_OUT
) {
1344 uep
->pipeline
= true;
1346 if (uep
->pid
== USB_TOKEN_IN
&& uep
->max_packet_size
!= 0 &&
1347 usbredirparser_peer_has_cap(dev
->parser
,
1348 usb_redir_cap_32bits_bulk_length
)) {
1349 uep
->pipeline
= true;
1353 static void usbredir_setup_usb_eps(USBRedirDevice
*dev
)
1355 struct USBEndpoint
*usb_ep
;
1358 for (i
= 0; i
< MAX_ENDPOINTS
; i
++) {
1359 pid
= (i
& 0x10) ? USB_TOKEN_IN
: USB_TOKEN_OUT
;
1360 usb_ep
= usb_ep_get(&dev
->dev
, pid
, i
& 0x0f);
1361 usb_ep
->type
= dev
->endpoint
[i
].type
;
1362 usb_ep
->ifnum
= dev
->endpoint
[i
].interface
;
1363 usb_ep
->max_packet_size
= dev
->endpoint
[i
].max_packet_size
;
1364 usbredir_set_pipeline(dev
, usb_ep
);
1368 static void usbredir_ep_info(void *priv
,
1369 struct usb_redir_ep_info_header
*ep_info
)
1371 USBRedirDevice
*dev
= priv
;
1374 for (i
= 0; i
< MAX_ENDPOINTS
; i
++) {
1375 dev
->endpoint
[i
].type
= ep_info
->type
[i
];
1376 dev
->endpoint
[i
].interval
= ep_info
->interval
[i
];
1377 dev
->endpoint
[i
].interface
= ep_info
->interface
[i
];
1378 if (usbredirparser_peer_has_cap(dev
->parser
,
1379 usb_redir_cap_ep_info_max_packet_size
)) {
1380 dev
->endpoint
[i
].max_packet_size
= ep_info
->max_packet_size
[i
];
1382 switch (dev
->endpoint
[i
].type
) {
1383 case usb_redir_type_invalid
:
1385 case usb_redir_type_iso
:
1386 usbredir_mark_speed_incompatible(dev
, USB_SPEED_FULL
);
1387 usbredir_mark_speed_incompatible(dev
, USB_SPEED_HIGH
);
1389 case usb_redir_type_interrupt
:
1390 if (!usbredirparser_peer_has_cap(dev
->parser
,
1391 usb_redir_cap_ep_info_max_packet_size
) ||
1392 ep_info
->max_packet_size
[i
] > 64) {
1393 usbredir_mark_speed_incompatible(dev
, USB_SPEED_FULL
);
1395 if (!usbredirparser_peer_has_cap(dev
->parser
,
1396 usb_redir_cap_ep_info_max_packet_size
) ||
1397 ep_info
->max_packet_size
[i
] > 1024) {
1398 usbredir_mark_speed_incompatible(dev
, USB_SPEED_HIGH
);
1400 if (dev
->endpoint
[i
].interval
== 0) {
1401 ERROR("Received 0 interval for isoc or irq endpoint\n");
1402 usbredir_reject_device(dev
);
1406 case usb_redir_type_control
:
1407 case usb_redir_type_bulk
:
1408 DPRINTF("ep: %02X type: %d interface: %d\n", I2EP(i
),
1409 dev
->endpoint
[i
].type
, dev
->endpoint
[i
].interface
);
1412 ERROR("Received invalid endpoint type\n");
1413 usbredir_reject_device(dev
);
1417 /* The new ep info may have caused a speed incompatibility, recheck */
1418 if (dev
->dev
.attached
&&
1419 !(dev
->dev
.port
->speedmask
& dev
->dev
.speedmask
)) {
1420 ERROR("Device no longer matches speed after endpoint info change, "
1421 "disconnecting!\n");
1422 usbredir_reject_device(dev
);
1425 usbredir_setup_usb_eps(dev
);
1428 static void usbredir_configuration_status(void *priv
, uint64_t id
,
1429 struct usb_redir_configuration_status_header
*config_status
)
1431 USBRedirDevice
*dev
= priv
;
1434 DPRINTF("set config status %d config %d id %"PRIu64
"\n",
1435 config_status
->status
, config_status
->configuration
, id
);
1437 p
= usbredir_find_packet_by_id(dev
, 0, id
);
1439 if (dev
->dev
.setup_buf
[0] & USB_DIR_IN
) {
1440 dev
->dev
.data_buf
[0] = config_status
->configuration
;
1441 p
->actual_length
= 1;
1443 usbredir_handle_status(dev
, p
, config_status
->status
);
1444 usb_generic_async_ctrl_complete(&dev
->dev
, p
);
1448 static void usbredir_alt_setting_status(void *priv
, uint64_t id
,
1449 struct usb_redir_alt_setting_status_header
*alt_setting_status
)
1451 USBRedirDevice
*dev
= priv
;
1454 DPRINTF("alt status %d intf %d alt %d id: %"PRIu64
"\n",
1455 alt_setting_status
->status
, alt_setting_status
->interface
,
1456 alt_setting_status
->alt
, id
);
1458 p
= usbredir_find_packet_by_id(dev
, 0, id
);
1460 if (dev
->dev
.setup_buf
[0] & USB_DIR_IN
) {
1461 dev
->dev
.data_buf
[0] = alt_setting_status
->alt
;
1462 p
->actual_length
= 1;
1464 usbredir_handle_status(dev
, p
, alt_setting_status
->status
);
1465 usb_generic_async_ctrl_complete(&dev
->dev
, p
);
1469 static void usbredir_iso_stream_status(void *priv
, uint64_t id
,
1470 struct usb_redir_iso_stream_status_header
*iso_stream_status
)
1472 USBRedirDevice
*dev
= priv
;
1473 uint8_t ep
= iso_stream_status
->endpoint
;
1475 DPRINTF("iso status %d ep %02X id %"PRIu64
"\n", iso_stream_status
->status
,
1478 if (!dev
->dev
.attached
|| !dev
->endpoint
[EP2I(ep
)].iso_started
) {
1482 dev
->endpoint
[EP2I(ep
)].iso_error
= iso_stream_status
->status
;
1483 if (iso_stream_status
->status
== usb_redir_stall
) {
1484 DPRINTF("iso stream stopped by peer ep %02X\n", ep
);
1485 dev
->endpoint
[EP2I(ep
)].iso_started
= 0;
1489 static void usbredir_interrupt_receiving_status(void *priv
, uint64_t id
,
1490 struct usb_redir_interrupt_receiving_status_header
1491 *interrupt_receiving_status
)
1493 USBRedirDevice
*dev
= priv
;
1494 uint8_t ep
= interrupt_receiving_status
->endpoint
;
1496 DPRINTF("interrupt recv status %d ep %02X id %"PRIu64
"\n",
1497 interrupt_receiving_status
->status
, ep
, id
);
1499 if (!dev
->dev
.attached
|| !dev
->endpoint
[EP2I(ep
)].interrupt_started
) {
1503 dev
->endpoint
[EP2I(ep
)].interrupt_error
=
1504 interrupt_receiving_status
->status
;
1505 if (interrupt_receiving_status
->status
== usb_redir_stall
) {
1506 DPRINTF("interrupt receiving stopped by peer ep %02X\n", ep
);
1507 dev
->endpoint
[EP2I(ep
)].interrupt_started
= 0;
1511 static void usbredir_bulk_streams_status(void *priv
, uint64_t id
,
1512 struct usb_redir_bulk_streams_status_header
*bulk_streams_status
)
1516 static void usbredir_control_packet(void *priv
, uint64_t id
,
1517 struct usb_redir_control_packet_header
*control_packet
,
1518 uint8_t *data
, int data_len
)
1520 USBRedirDevice
*dev
= priv
;
1522 int len
= control_packet
->length
;
1524 DPRINTF("ctrl-in status %d len %d id %"PRIu64
"\n", control_packet
->status
,
1527 /* Fix up USB-3 ep0 maxpacket size to allow superspeed connected devices
1528 * to work redirected to a not superspeed capable hcd */
1529 if (dev
->dev
.speed
== USB_SPEED_SUPER
&&
1530 !((dev
->dev
.port
->speedmask
& USB_SPEED_MASK_SUPER
)) &&
1531 control_packet
->requesttype
== 0x80 &&
1532 control_packet
->request
== 6 &&
1533 control_packet
->value
== 0x100 && control_packet
->index
== 0 &&
1534 data_len
>= 18 && data
[7] == 9) {
1538 p
= usbredir_find_packet_by_id(dev
, 0, id
);
1540 usbredir_handle_status(dev
, p
, control_packet
->status
);
1542 usbredir_log_data(dev
, "ctrl data in:", data
, data_len
);
1543 if (data_len
> sizeof(dev
->dev
.data_buf
)) {
1544 ERROR("ctrl buffer too small (%d > %zu)\n",
1545 data_len
, sizeof(dev
->dev
.data_buf
));
1546 p
->status
= USB_RET_STALL
;
1547 data_len
= len
= sizeof(dev
->dev
.data_buf
);
1549 memcpy(dev
->dev
.data_buf
, data
, data_len
);
1551 p
->actual_length
= len
;
1552 usb_generic_async_ctrl_complete(&dev
->dev
, p
);
1557 static void usbredir_bulk_packet(void *priv
, uint64_t id
,
1558 struct usb_redir_bulk_packet_header
*bulk_packet
,
1559 uint8_t *data
, int data_len
)
1561 USBRedirDevice
*dev
= priv
;
1562 uint8_t ep
= bulk_packet
->endpoint
;
1563 int len
= (bulk_packet
->length_high
<< 16) | bulk_packet
->length
;
1566 DPRINTF("bulk-in status %d ep %02X len %d id %"PRIu64
"\n",
1567 bulk_packet
->status
, ep
, len
, id
);
1569 p
= usbredir_find_packet_by_id(dev
, ep
, id
);
1571 size_t size
= (p
->combined
) ? p
->combined
->iov
.size
: p
->iov
.size
;
1572 usbredir_handle_status(dev
, p
, bulk_packet
->status
);
1574 usbredir_log_data(dev
, "bulk data in:", data
, data_len
);
1575 if (data_len
> size
) {
1576 ERROR("bulk got more data then requested (%d > %zd)\n",
1577 data_len
, p
->iov
.size
);
1578 p
->status
= USB_RET_BABBLE
;
1579 data_len
= len
= size
;
1582 iov_from_buf(p
->combined
->iov
.iov
, p
->combined
->iov
.niov
,
1585 usb_packet_copy(p
, data
, data_len
);
1588 p
->actual_length
= len
;
1589 if (p
->pid
== USB_TOKEN_IN
&& p
->ep
->pipeline
) {
1590 usb_combined_input_packet_complete(&dev
->dev
, p
);
1592 usb_packet_complete(&dev
->dev
, p
);
1598 static void usbredir_iso_packet(void *priv
, uint64_t id
,
1599 struct usb_redir_iso_packet_header
*iso_packet
,
1600 uint8_t *data
, int data_len
)
1602 USBRedirDevice
*dev
= priv
;
1603 uint8_t ep
= iso_packet
->endpoint
;
1605 DPRINTF2("iso-in status %d ep %02X len %d id %"PRIu64
"\n",
1606 iso_packet
->status
, ep
, data_len
, id
);
1608 if (dev
->endpoint
[EP2I(ep
)].type
!= USB_ENDPOINT_XFER_ISOC
) {
1609 ERROR("received iso packet for non iso endpoint %02X\n", ep
);
1614 if (dev
->endpoint
[EP2I(ep
)].iso_started
== 0) {
1615 DPRINTF("received iso packet for non started stream ep %02X\n", ep
);
1620 /* bufp_alloc also adds the packet to the ep queue */
1621 bufp_alloc(dev
, data
, data_len
, iso_packet
->status
, ep
);
1624 static void usbredir_interrupt_packet(void *priv
, uint64_t id
,
1625 struct usb_redir_interrupt_packet_header
*interrupt_packet
,
1626 uint8_t *data
, int data_len
)
1628 USBRedirDevice
*dev
= priv
;
1629 uint8_t ep
= interrupt_packet
->endpoint
;
1631 DPRINTF("interrupt-in status %d ep %02X len %d id %"PRIu64
"\n",
1632 interrupt_packet
->status
, ep
, data_len
, id
);
1634 if (dev
->endpoint
[EP2I(ep
)].type
!= USB_ENDPOINT_XFER_INT
) {
1635 ERROR("received int packet for non interrupt endpoint %02X\n", ep
);
1640 if (ep
& USB_DIR_IN
) {
1641 if (dev
->endpoint
[EP2I(ep
)].interrupt_started
== 0) {
1642 DPRINTF("received int packet while not started ep %02X\n", ep
);
1647 /* bufp_alloc also adds the packet to the ep queue */
1648 bufp_alloc(dev
, data
, data_len
, interrupt_packet
->status
, ep
);
1651 * We report output interrupt packets as completed directly upon
1652 * submission, so all we can do here if one failed is warn.
1654 if (interrupt_packet
->status
) {
1655 WARNING("interrupt output failed status %d ep %02X id %"PRIu64
"\n",
1656 interrupt_packet
->status
, ep
, id
);
1665 static void usbredir_pre_save(void *priv
)
1667 USBRedirDevice
*dev
= priv
;
1669 usbredir_fill_already_in_flight(dev
);
1672 static int usbredir_post_load(void *priv
, int version_id
)
1674 USBRedirDevice
*dev
= priv
;
1676 switch (dev
->device_info
.speed
) {
1677 case usb_redir_speed_low
:
1678 dev
->dev
.speed
= USB_SPEED_LOW
;
1680 case usb_redir_speed_full
:
1681 dev
->dev
.speed
= USB_SPEED_FULL
;
1683 case usb_redir_speed_high
:
1684 dev
->dev
.speed
= USB_SPEED_HIGH
;
1686 case usb_redir_speed_super
:
1687 dev
->dev
.speed
= USB_SPEED_SUPER
;
1690 dev
->dev
.speed
= USB_SPEED_FULL
;
1692 dev
->dev
.speedmask
= (1 << dev
->dev
.speed
);
1694 usbredir_setup_usb_eps(dev
);
1699 /* For usbredirparser migration */
1700 static void usbredir_put_parser(QEMUFile
*f
, void *priv
, size_t unused
)
1702 USBRedirDevice
*dev
= priv
;
1706 if (dev
->parser
== NULL
) {
1707 qemu_put_be32(f
, 0);
1711 usbredirparser_serialize(dev
->parser
, &data
, &len
);
1712 qemu_oom_check(data
);
1714 qemu_put_be32(f
, len
);
1715 qemu_put_buffer(f
, data
, len
);
1720 static int usbredir_get_parser(QEMUFile
*f
, void *priv
, size_t unused
)
1722 USBRedirDevice
*dev
= priv
;
1726 len
= qemu_get_be32(f
);
1732 * If our chardev is not open already at this point the usbredir connection
1733 * has been broken (non seamless migration, or restore from disk).
1735 * In this case create a temporary parser to receive the migration data,
1736 * and schedule the close_bh to report the device as disconnected to the
1737 * guest and to destroy the parser again.
1739 if (dev
->parser
== NULL
) {
1740 WARNING("usb-redir connection broken during migration\n");
1741 usbredir_create_parser(dev
);
1742 qemu_bh_schedule(dev
->chardev_close_bh
);
1745 data
= g_malloc(len
);
1746 qemu_get_buffer(f
, data
, len
);
1748 ret
= usbredirparser_unserialize(dev
->parser
, data
, len
);
1755 static const VMStateInfo usbredir_parser_vmstate_info
= {
1756 .name
= "usb-redir-parser",
1757 .put
= usbredir_put_parser
,
1758 .get
= usbredir_get_parser
,
1762 /* For buffered packets (iso/irq) queue migration */
1763 static void usbredir_put_bufpq(QEMUFile
*f
, void *priv
, size_t unused
)
1765 struct endp_data
*endp
= priv
;
1766 struct buf_packet
*bufp
;
1767 int remain
= endp
->bufpq_size
;
1769 qemu_put_be32(f
, endp
->bufpq_size
);
1770 QTAILQ_FOREACH(bufp
, &endp
->bufpq
, next
) {
1771 qemu_put_be32(f
, bufp
->len
);
1772 qemu_put_be32(f
, bufp
->status
);
1773 qemu_put_buffer(f
, bufp
->data
, bufp
->len
);
1776 assert(remain
== 0);
1779 static int usbredir_get_bufpq(QEMUFile
*f
, void *priv
, size_t unused
)
1781 struct endp_data
*endp
= priv
;
1782 struct buf_packet
*bufp
;
1785 endp
->bufpq_size
= qemu_get_be32(f
);
1786 for (i
= 0; i
< endp
->bufpq_size
; i
++) {
1787 bufp
= g_malloc(sizeof(struct buf_packet
));
1788 bufp
->len
= qemu_get_be32(f
);
1789 bufp
->status
= qemu_get_be32(f
);
1790 bufp
->data
= qemu_oom_check(malloc(bufp
->len
)); /* regular malloc! */
1791 qemu_get_buffer(f
, bufp
->data
, bufp
->len
);
1792 QTAILQ_INSERT_TAIL(&endp
->bufpq
, bufp
, next
);
1797 static const VMStateInfo usbredir_ep_bufpq_vmstate_info
= {
1798 .name
= "usb-redir-bufpq",
1799 .put
= usbredir_put_bufpq
,
1800 .get
= usbredir_get_bufpq
,
1804 /* For endp_data migration */
1805 static const VMStateDescription usbredir_ep_vmstate
= {
1806 .name
= "usb-redir-ep",
1808 .minimum_version_id
= 1,
1809 .fields
= (VMStateField
[]) {
1810 VMSTATE_UINT8(type
, struct endp_data
),
1811 VMSTATE_UINT8(interval
, struct endp_data
),
1812 VMSTATE_UINT8(interface
, struct endp_data
),
1813 VMSTATE_UINT16(max_packet_size
, struct endp_data
),
1814 VMSTATE_UINT8(iso_started
, struct endp_data
),
1815 VMSTATE_UINT8(iso_error
, struct endp_data
),
1816 VMSTATE_UINT8(interrupt_started
, struct endp_data
),
1817 VMSTATE_UINT8(interrupt_error
, struct endp_data
),
1818 VMSTATE_UINT8(bufpq_prefilled
, struct endp_data
),
1819 VMSTATE_UINT8(bufpq_dropping_packets
, struct endp_data
),
1823 .field_exists
= NULL
,
1825 .info
= &usbredir_ep_bufpq_vmstate_info
,
1826 .flags
= VMS_SINGLE
,
1829 VMSTATE_INT32(bufpq_target_size
, struct endp_data
),
1830 VMSTATE_END_OF_LIST()
1835 /* For PacketIdQueue migration */
1836 static void usbredir_put_packet_id_q(QEMUFile
*f
, void *priv
, size_t unused
)
1838 struct PacketIdQueue
*q
= priv
;
1839 USBRedirDevice
*dev
= q
->dev
;
1840 struct PacketIdQueueEntry
*e
;
1841 int remain
= q
->size
;
1843 DPRINTF("put_packet_id_q %s size %d\n", q
->name
, q
->size
);
1844 qemu_put_be32(f
, q
->size
);
1845 QTAILQ_FOREACH(e
, &q
->head
, next
) {
1846 qemu_put_be64(f
, e
->id
);
1849 assert(remain
== 0);
1852 static int usbredir_get_packet_id_q(QEMUFile
*f
, void *priv
, size_t unused
)
1854 struct PacketIdQueue
*q
= priv
;
1855 USBRedirDevice
*dev
= q
->dev
;
1859 size
= qemu_get_be32(f
);
1860 DPRINTF("get_packet_id_q %s size %d\n", q
->name
, size
);
1861 for (i
= 0; i
< size
; i
++) {
1862 id
= qemu_get_be64(f
);
1863 packet_id_queue_add(q
, id
);
1865 assert(q
->size
== size
);
1869 static const VMStateInfo usbredir_ep_packet_id_q_vmstate_info
= {
1870 .name
= "usb-redir-packet-id-q",
1871 .put
= usbredir_put_packet_id_q
,
1872 .get
= usbredir_get_packet_id_q
,
1875 static const VMStateDescription usbredir_ep_packet_id_queue_vmstate
= {
1876 .name
= "usb-redir-packet-id-queue",
1878 .minimum_version_id
= 1,
1879 .fields
= (VMStateField
[]) {
1883 .field_exists
= NULL
,
1885 .info
= &usbredir_ep_packet_id_q_vmstate_info
,
1886 .flags
= VMS_SINGLE
,
1889 VMSTATE_END_OF_LIST()
1894 /* For usb_redir_device_connect_header migration */
1895 static const VMStateDescription usbredir_device_info_vmstate
= {
1896 .name
= "usb-redir-device-info",
1898 .minimum_version_id
= 1,
1899 .fields
= (VMStateField
[]) {
1900 VMSTATE_UINT8(speed
, struct usb_redir_device_connect_header
),
1901 VMSTATE_UINT8(device_class
, struct usb_redir_device_connect_header
),
1902 VMSTATE_UINT8(device_subclass
, struct usb_redir_device_connect_header
),
1903 VMSTATE_UINT8(device_protocol
, struct usb_redir_device_connect_header
),
1904 VMSTATE_UINT16(vendor_id
, struct usb_redir_device_connect_header
),
1905 VMSTATE_UINT16(product_id
, struct usb_redir_device_connect_header
),
1906 VMSTATE_UINT16(device_version_bcd
,
1907 struct usb_redir_device_connect_header
),
1908 VMSTATE_END_OF_LIST()
1913 /* For usb_redir_interface_info_header migration */
1914 static const VMStateDescription usbredir_interface_info_vmstate
= {
1915 .name
= "usb-redir-interface-info",
1917 .minimum_version_id
= 1,
1918 .fields
= (VMStateField
[]) {
1919 VMSTATE_UINT32(interface_count
,
1920 struct usb_redir_interface_info_header
),
1921 VMSTATE_UINT8_ARRAY(interface
,
1922 struct usb_redir_interface_info_header
, 32),
1923 VMSTATE_UINT8_ARRAY(interface_class
,
1924 struct usb_redir_interface_info_header
, 32),
1925 VMSTATE_UINT8_ARRAY(interface_subclass
,
1926 struct usb_redir_interface_info_header
, 32),
1927 VMSTATE_UINT8_ARRAY(interface_protocol
,
1928 struct usb_redir_interface_info_header
, 32),
1929 VMSTATE_END_OF_LIST()
1934 /* And finally the USBRedirDevice vmstate itself */
1935 static const VMStateDescription usbredir_vmstate
= {
1936 .name
= "usb-redir",
1938 .minimum_version_id
= 1,
1939 .pre_save
= usbredir_pre_save
,
1940 .post_load
= usbredir_post_load
,
1941 .fields
= (VMStateField
[]) {
1942 VMSTATE_USB_DEVICE(dev
, USBRedirDevice
),
1943 VMSTATE_TIMER(attach_timer
, USBRedirDevice
),
1947 .field_exists
= NULL
,
1949 .info
= &usbredir_parser_vmstate_info
,
1950 .flags
= VMS_SINGLE
,
1953 VMSTATE_STRUCT_ARRAY(endpoint
, USBRedirDevice
, MAX_ENDPOINTS
, 1,
1954 usbredir_ep_vmstate
, struct endp_data
),
1955 VMSTATE_STRUCT(cancelled
, USBRedirDevice
, 1,
1956 usbredir_ep_packet_id_queue_vmstate
,
1957 struct PacketIdQueue
),
1958 VMSTATE_STRUCT(already_in_flight
, USBRedirDevice
, 1,
1959 usbredir_ep_packet_id_queue_vmstate
,
1960 struct PacketIdQueue
),
1961 VMSTATE_STRUCT(device_info
, USBRedirDevice
, 1,
1962 usbredir_device_info_vmstate
,
1963 struct usb_redir_device_connect_header
),
1964 VMSTATE_STRUCT(interface_info
, USBRedirDevice
, 1,
1965 usbredir_interface_info_vmstate
,
1966 struct usb_redir_interface_info_header
),
1967 VMSTATE_END_OF_LIST()
1971 static Property usbredir_properties
[] = {
1972 DEFINE_PROP_CHR("chardev", USBRedirDevice
, cs
),
1973 DEFINE_PROP_UINT8("debug", USBRedirDevice
, debug
, usbredirparser_warning
),
1974 DEFINE_PROP_STRING("filter", USBRedirDevice
, filter_str
),
1975 DEFINE_PROP_INT32("bootindex", USBRedirDevice
, bootindex
, -1),
1976 DEFINE_PROP_END_OF_LIST(),
1979 static void usbredir_class_initfn(ObjectClass
*klass
, void *data
)
1981 USBDeviceClass
*uc
= USB_DEVICE_CLASS(klass
);
1982 DeviceClass
*dc
= DEVICE_CLASS(klass
);
1984 uc
->init
= usbredir_initfn
;
1985 uc
->product_desc
= "USB Redirection Device";
1986 uc
->handle_destroy
= usbredir_handle_destroy
;
1987 uc
->cancel_packet
= usbredir_cancel_packet
;
1988 uc
->handle_reset
= usbredir_handle_reset
;
1989 uc
->handle_data
= usbredir_handle_data
;
1990 uc
->handle_control
= usbredir_handle_control
;
1991 uc
->flush_ep_queue
= usbredir_flush_ep_queue
;
1992 dc
->vmsd
= &usbredir_vmstate
;
1993 dc
->props
= usbredir_properties
;
1996 static TypeInfo usbredir_dev_info
= {
1997 .name
= "usb-redir",
1998 .parent
= TYPE_USB_DEVICE
,
1999 .instance_size
= sizeof(USBRedirDevice
),
2000 .class_init
= usbredir_class_initfn
,
2003 static void usbredir_register_types(void)
2005 type_register_static(&usbredir_dev_info
);
2008 type_init(usbredir_register_types
)