2 * USB redirector usb-guest
4 * Copyright (c) 2011 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"
34 #include <sys/ioctl.h>
36 #include <usbredirparser.h>
37 #include <usbredirfilter.h>
41 #define MAX_ENDPOINTS 32
42 #define EP2I(ep_address) (((ep_address & 0x80) >> 3) | (ep_address & 0x0f))
43 #define I2EP(i) (((i & 0x10) << 3) | (i & 0x0f))
45 typedef struct AsyncURB AsyncURB
;
46 typedef struct USBRedirDevice USBRedirDevice
;
48 /* Struct to hold buffered packets (iso or int input packets) */
53 QTAILQ_ENTRY(buf_packet
)next
;
59 uint8_t interface
; /* bInterfaceNumber this ep belongs to */
61 uint8_t iso_error
; /* For reporting iso errors to the HC */
62 uint8_t interrupt_started
;
63 uint8_t interrupt_error
;
64 uint8_t bufpq_prefilled
;
65 uint8_t bufpq_dropping_packets
;
66 QTAILQ_HEAD(, buf_packet
) bufpq
;
68 int bufpq_target_size
;
71 struct USBRedirDevice
{
77 /* Data passed from chardev the fd_read cb to the usbredirparser read cb */
78 const uint8_t *read_buf
;
80 /* For async handling of open/close */
81 QEMUBH
*open_close_bh
;
82 /* To delay the usb attach in case of quick chardev close + open */
83 QEMUTimer
*attach_timer
;
84 int64_t next_attach_time
;
85 struct usbredirparser
*parser
;
86 struct endp_data endpoint
[MAX_ENDPOINTS
];
88 QTAILQ_HEAD(, AsyncURB
) asyncq
;
89 /* Data for device filtering */
90 struct usb_redir_device_connect_header device_info
;
91 struct usb_redir_interface_info_header interface_info
;
92 struct usbredirfilter_rule
*filter_rules
;
93 int filter_rules_count
;
102 struct usb_redir_control_packet_header control_packet
;
103 struct usb_redir_bulk_packet_header bulk_packet
;
104 struct usb_redir_interrupt_packet_header interrupt_packet
;
106 QTAILQ_ENTRY(AsyncURB
)next
;
109 static void usbredir_hello(void *priv
, struct usb_redir_hello_header
*h
);
110 static void usbredir_device_connect(void *priv
,
111 struct usb_redir_device_connect_header
*device_connect
);
112 static void usbredir_device_disconnect(void *priv
);
113 static void usbredir_interface_info(void *priv
,
114 struct usb_redir_interface_info_header
*interface_info
);
115 static void usbredir_ep_info(void *priv
,
116 struct usb_redir_ep_info_header
*ep_info
);
117 static void usbredir_configuration_status(void *priv
, uint32_t id
,
118 struct usb_redir_configuration_status_header
*configuration_status
);
119 static void usbredir_alt_setting_status(void *priv
, uint32_t id
,
120 struct usb_redir_alt_setting_status_header
*alt_setting_status
);
121 static void usbredir_iso_stream_status(void *priv
, uint32_t id
,
122 struct usb_redir_iso_stream_status_header
*iso_stream_status
);
123 static void usbredir_interrupt_receiving_status(void *priv
, uint32_t id
,
124 struct usb_redir_interrupt_receiving_status_header
125 *interrupt_receiving_status
);
126 static void usbredir_bulk_streams_status(void *priv
, uint32_t id
,
127 struct usb_redir_bulk_streams_status_header
*bulk_streams_status
);
128 static void usbredir_control_packet(void *priv
, uint32_t id
,
129 struct usb_redir_control_packet_header
*control_packet
,
130 uint8_t *data
, int data_len
);
131 static void usbredir_bulk_packet(void *priv
, uint32_t id
,
132 struct usb_redir_bulk_packet_header
*bulk_packet
,
133 uint8_t *data
, int data_len
);
134 static void usbredir_iso_packet(void *priv
, uint32_t id
,
135 struct usb_redir_iso_packet_header
*iso_packet
,
136 uint8_t *data
, int data_len
);
137 static void usbredir_interrupt_packet(void *priv
, uint32_t id
,
138 struct usb_redir_interrupt_packet_header
*interrupt_header
,
139 uint8_t *data
, int data_len
);
141 static int usbredir_handle_status(USBRedirDevice
*dev
,
142 int status
, int actual_len
);
144 #define VERSION "qemu usb-redir guest " QEMU_VERSION
152 if (dev->debug >= usbredirparser_error) { \
153 error_report("usb-redir error: " __VA_ARGS__); \
156 #define WARNING(...) \
158 if (dev->debug >= usbredirparser_warning) { \
159 error_report("usb-redir warning: " __VA_ARGS__); \
164 if (dev->debug >= usbredirparser_info) { \
165 error_report("usb-redir: " __VA_ARGS__); \
168 #define DPRINTF(...) \
170 if (dev->debug >= usbredirparser_debug) { \
171 error_report("usb-redir: " __VA_ARGS__); \
174 #define DPRINTF2(...) \
176 if (dev->debug >= usbredirparser_debug_data) { \
177 error_report("usb-redir: " __VA_ARGS__); \
181 static void usbredir_log(void *priv
, int level
, const char *msg
)
183 USBRedirDevice
*dev
= priv
;
185 if (dev
->debug
< level
) {
189 error_report("%s", msg
);
192 static void usbredir_log_data(USBRedirDevice
*dev
, const char *desc
,
193 const uint8_t *data
, int len
)
197 if (dev
->debug
< usbredirparser_debug_data
) {
201 for (i
= 0; i
< len
; i
+= j
) {
204 n
= sprintf(buf
, "%s", desc
);
205 for (j
= 0; j
< 8 && i
+ j
< len
; j
++) {
206 n
+= sprintf(buf
+ n
, " %02X", data
[i
+ j
]);
208 error_report("%s", buf
);
213 * usbredirparser io functions
216 static int usbredir_read(void *priv
, uint8_t *data
, int count
)
218 USBRedirDevice
*dev
= priv
;
220 if (dev
->read_buf_size
< count
) {
221 count
= dev
->read_buf_size
;
224 memcpy(data
, dev
->read_buf
, count
);
226 dev
->read_buf_size
-= count
;
227 if (dev
->read_buf_size
) {
228 dev
->read_buf
+= count
;
230 dev
->read_buf
= NULL
;
236 static int usbredir_write(void *priv
, uint8_t *data
, int count
)
238 USBRedirDevice
*dev
= priv
;
240 if (!dev
->cs
->opened
) {
244 return qemu_chr_fe_write(dev
->cs
, data
, count
);
248 * Async and buffered packets helpers
251 static AsyncURB
*async_alloc(USBRedirDevice
*dev
, USBPacket
*p
)
253 AsyncURB
*aurb
= (AsyncURB
*) g_malloc0(sizeof(AsyncURB
));
256 aurb
->packet_id
= dev
->packet_id
;
257 QTAILQ_INSERT_TAIL(&dev
->asyncq
, aurb
, next
);
263 static void async_free(USBRedirDevice
*dev
, AsyncURB
*aurb
)
265 QTAILQ_REMOVE(&dev
->asyncq
, aurb
, next
);
269 static AsyncURB
*async_find(USBRedirDevice
*dev
, uint32_t packet_id
)
273 QTAILQ_FOREACH(aurb
, &dev
->asyncq
, next
) {
274 if (aurb
->packet_id
== packet_id
) {
278 ERROR("could not find async urb for packet_id %u\n", packet_id
);
282 static void usbredir_cancel_packet(USBDevice
*udev
, USBPacket
*p
)
284 USBRedirDevice
*dev
= DO_UPCAST(USBRedirDevice
, dev
, udev
);
287 QTAILQ_FOREACH(aurb
, &dev
->asyncq
, next
) {
288 if (p
!= aurb
->packet
) {
292 DPRINTF("async cancel id %u\n", aurb
->packet_id
);
293 usbredirparser_send_cancel_data_packet(dev
->parser
, aurb
->packet_id
);
294 usbredirparser_do_write(dev
->parser
);
296 /* Mark it as dead */
302 static void bufp_alloc(USBRedirDevice
*dev
,
303 uint8_t *data
, int len
, int status
, uint8_t ep
)
305 struct buf_packet
*bufp
;
307 if (!dev
->endpoint
[EP2I(ep
)].bufpq_dropping_packets
&&
308 dev
->endpoint
[EP2I(ep
)].bufpq_size
>
309 2 * dev
->endpoint
[EP2I(ep
)].bufpq_target_size
) {
310 DPRINTF("bufpq overflow, dropping packets ep %02X\n", ep
);
311 dev
->endpoint
[EP2I(ep
)].bufpq_dropping_packets
= 1;
313 /* Since we're interupting the stream anyways, drop enough packets to get
314 back to our target buffer size */
315 if (dev
->endpoint
[EP2I(ep
)].bufpq_dropping_packets
) {
316 if (dev
->endpoint
[EP2I(ep
)].bufpq_size
>
317 dev
->endpoint
[EP2I(ep
)].bufpq_target_size
) {
321 dev
->endpoint
[EP2I(ep
)].bufpq_dropping_packets
= 0;
324 bufp
= g_malloc(sizeof(struct buf_packet
));
327 bufp
->status
= status
;
328 QTAILQ_INSERT_TAIL(&dev
->endpoint
[EP2I(ep
)].bufpq
, bufp
, next
);
329 dev
->endpoint
[EP2I(ep
)].bufpq_size
++;
332 static void bufp_free(USBRedirDevice
*dev
, struct buf_packet
*bufp
,
335 QTAILQ_REMOVE(&dev
->endpoint
[EP2I(ep
)].bufpq
, bufp
, next
);
336 dev
->endpoint
[EP2I(ep
)].bufpq_size
--;
341 static void usbredir_free_bufpq(USBRedirDevice
*dev
, uint8_t ep
)
343 struct buf_packet
*buf
, *buf_next
;
345 QTAILQ_FOREACH_SAFE(buf
, &dev
->endpoint
[EP2I(ep
)].bufpq
, next
, buf_next
) {
346 bufp_free(dev
, buf
, ep
);
351 * USBDevice callbacks
354 static void usbredir_handle_reset(USBDevice
*udev
)
356 USBRedirDevice
*dev
= DO_UPCAST(USBRedirDevice
, dev
, udev
);
358 DPRINTF("reset device\n");
359 usbredirparser_send_reset(dev
->parser
);
360 usbredirparser_do_write(dev
->parser
);
363 static int usbredir_handle_iso_data(USBRedirDevice
*dev
, USBPacket
*p
,
367 if (!dev
->endpoint
[EP2I(ep
)].iso_started
&&
368 !dev
->endpoint
[EP2I(ep
)].iso_error
) {
369 struct usb_redir_start_iso_stream_header start_iso
= {
374 if (dev
->dev
.speed
== USB_SPEED_HIGH
) {
375 pkts_per_sec
= 8000 / dev
->endpoint
[EP2I(ep
)].interval
;
377 pkts_per_sec
= 1000 / dev
->endpoint
[EP2I(ep
)].interval
;
379 /* Testing has shown that we need circa 60 ms buffer */
380 dev
->endpoint
[EP2I(ep
)].bufpq_target_size
= (pkts_per_sec
* 60) / 1000;
382 /* Aim for approx 100 interrupts / second on the client to
383 balance latency and interrupt load */
384 start_iso
.pkts_per_urb
= pkts_per_sec
/ 100;
385 if (start_iso
.pkts_per_urb
< 1) {
386 start_iso
.pkts_per_urb
= 1;
387 } else if (start_iso
.pkts_per_urb
> 32) {
388 start_iso
.pkts_per_urb
= 32;
391 start_iso
.no_urbs
= (dev
->endpoint
[EP2I(ep
)].bufpq_target_size
+
392 start_iso
.pkts_per_urb
- 1) /
393 start_iso
.pkts_per_urb
;
394 /* Output endpoints pre-fill only 1/2 of the packets, keeping the rest
395 as overflow buffer. Also see the usbredir protocol documentation */
396 if (!(ep
& USB_DIR_IN
)) {
397 start_iso
.no_urbs
*= 2;
399 if (start_iso
.no_urbs
> 16) {
400 start_iso
.no_urbs
= 16;
403 /* No id, we look at the ep when receiving a status back */
404 usbredirparser_send_start_iso_stream(dev
->parser
, 0, &start_iso
);
405 usbredirparser_do_write(dev
->parser
);
406 DPRINTF("iso stream started pkts/sec %d pkts/urb %d urbs %d ep %02X\n",
407 pkts_per_sec
, start_iso
.pkts_per_urb
, start_iso
.no_urbs
, ep
);
408 dev
->endpoint
[EP2I(ep
)].iso_started
= 1;
409 dev
->endpoint
[EP2I(ep
)].bufpq_prefilled
= 0;
410 dev
->endpoint
[EP2I(ep
)].bufpq_dropping_packets
= 0;
413 if (ep
& USB_DIR_IN
) {
414 struct buf_packet
*isop
;
416 if (dev
->endpoint
[EP2I(ep
)].iso_started
&&
417 !dev
->endpoint
[EP2I(ep
)].bufpq_prefilled
) {
418 if (dev
->endpoint
[EP2I(ep
)].bufpq_size
<
419 dev
->endpoint
[EP2I(ep
)].bufpq_target_size
) {
420 return usbredir_handle_status(dev
, 0, 0);
422 dev
->endpoint
[EP2I(ep
)].bufpq_prefilled
= 1;
425 isop
= QTAILQ_FIRST(&dev
->endpoint
[EP2I(ep
)].bufpq
);
427 DPRINTF("iso-token-in ep %02X, no isop, iso_error: %d\n",
428 ep
, dev
->endpoint
[EP2I(ep
)].iso_error
);
429 /* Re-fill the buffer */
430 dev
->endpoint
[EP2I(ep
)].bufpq_prefilled
= 0;
431 /* Check iso_error for stream errors, otherwise its an underrun */
432 status
= dev
->endpoint
[EP2I(ep
)].iso_error
;
433 dev
->endpoint
[EP2I(ep
)].iso_error
= 0;
434 return usbredir_handle_status(dev
, status
, 0);
436 DPRINTF2("iso-token-in ep %02X status %d len %d queue-size: %d\n", ep
,
437 isop
->status
, isop
->len
, dev
->endpoint
[EP2I(ep
)].bufpq_size
);
439 status
= isop
->status
;
440 if (status
!= usb_redir_success
) {
441 bufp_free(dev
, isop
, ep
);
442 return usbredir_handle_status(dev
, status
, 0);
446 if (len
> p
->iov
.size
) {
447 ERROR("received iso data is larger then packet ep %02X (%d > %d)\n",
448 ep
, len
, (int)p
->iov
.size
);
449 bufp_free(dev
, isop
, ep
);
452 usb_packet_copy(p
, isop
->data
, len
);
453 bufp_free(dev
, isop
, ep
);
456 /* If the stream was not started because of a pending error don't
457 send the packet to the usb-host */
458 if (dev
->endpoint
[EP2I(ep
)].iso_started
) {
459 struct usb_redir_iso_packet_header iso_packet
= {
461 .length
= p
->iov
.size
463 uint8_t buf
[p
->iov
.size
];
464 /* No id, we look at the ep when receiving a status back */
465 usb_packet_copy(p
, buf
, p
->iov
.size
);
466 usbredirparser_send_iso_packet(dev
->parser
, 0, &iso_packet
,
468 usbredirparser_do_write(dev
->parser
);
470 status
= dev
->endpoint
[EP2I(ep
)].iso_error
;
471 dev
->endpoint
[EP2I(ep
)].iso_error
= 0;
472 DPRINTF2("iso-token-out ep %02X status %d len %zd\n", ep
, status
,
474 return usbredir_handle_status(dev
, status
, p
->iov
.size
);
478 static void usbredir_stop_iso_stream(USBRedirDevice
*dev
, uint8_t ep
)
480 struct usb_redir_stop_iso_stream_header stop_iso_stream
= {
483 if (dev
->endpoint
[EP2I(ep
)].iso_started
) {
484 usbredirparser_send_stop_iso_stream(dev
->parser
, 0, &stop_iso_stream
);
485 DPRINTF("iso stream stopped ep %02X\n", ep
);
486 dev
->endpoint
[EP2I(ep
)].iso_started
= 0;
488 dev
->endpoint
[EP2I(ep
)].iso_error
= 0;
489 usbredir_free_bufpq(dev
, ep
);
492 static int usbredir_handle_bulk_data(USBRedirDevice
*dev
, USBPacket
*p
,
495 AsyncURB
*aurb
= async_alloc(dev
, p
);
496 struct usb_redir_bulk_packet_header bulk_packet
;
498 DPRINTF("bulk-out ep %02X len %zd id %u\n", ep
,
499 p
->iov
.size
, aurb
->packet_id
);
501 bulk_packet
.endpoint
= ep
;
502 bulk_packet
.length
= p
->iov
.size
;
503 bulk_packet
.stream_id
= 0;
504 aurb
->bulk_packet
= bulk_packet
;
506 if (ep
& USB_DIR_IN
) {
507 usbredirparser_send_bulk_packet(dev
->parser
, aurb
->packet_id
,
508 &bulk_packet
, NULL
, 0);
510 uint8_t buf
[p
->iov
.size
];
511 usb_packet_copy(p
, buf
, p
->iov
.size
);
512 usbredir_log_data(dev
, "bulk data out:", buf
, p
->iov
.size
);
513 usbredirparser_send_bulk_packet(dev
->parser
, aurb
->packet_id
,
514 &bulk_packet
, buf
, p
->iov
.size
);
516 usbredirparser_do_write(dev
->parser
);
517 return USB_RET_ASYNC
;
520 static int usbredir_handle_interrupt_data(USBRedirDevice
*dev
,
521 USBPacket
*p
, uint8_t ep
)
523 if (ep
& USB_DIR_IN
) {
524 /* Input interrupt endpoint, buffered packet input */
525 struct buf_packet
*intp
;
528 if (!dev
->endpoint
[EP2I(ep
)].interrupt_started
&&
529 !dev
->endpoint
[EP2I(ep
)].interrupt_error
) {
530 struct usb_redir_start_interrupt_receiving_header start_int
= {
533 /* No id, we look at the ep when receiving a status back */
534 usbredirparser_send_start_interrupt_receiving(dev
->parser
, 0,
536 usbredirparser_do_write(dev
->parser
);
537 DPRINTF("interrupt recv started ep %02X\n", ep
);
538 dev
->endpoint
[EP2I(ep
)].interrupt_started
= 1;
539 /* We don't really want to drop interrupt packets ever, but
540 having some upper limit to how much we buffer is good. */
541 dev
->endpoint
[EP2I(ep
)].bufpq_target_size
= 1000;
542 dev
->endpoint
[EP2I(ep
)].bufpq_dropping_packets
= 0;
545 intp
= QTAILQ_FIRST(&dev
->endpoint
[EP2I(ep
)].bufpq
);
547 DPRINTF2("interrupt-token-in ep %02X, no intp\n", ep
);
548 /* Check interrupt_error for stream errors */
549 status
= dev
->endpoint
[EP2I(ep
)].interrupt_error
;
550 dev
->endpoint
[EP2I(ep
)].interrupt_error
= 0;
551 return usbredir_handle_status(dev
, status
, 0);
553 DPRINTF("interrupt-token-in ep %02X status %d len %d\n", ep
,
554 intp
->status
, intp
->len
);
556 status
= intp
->status
;
557 if (status
!= usb_redir_success
) {
558 bufp_free(dev
, intp
, ep
);
559 return usbredir_handle_status(dev
, status
, 0);
563 if (len
> p
->iov
.size
) {
564 ERROR("received int data is larger then packet ep %02X\n", ep
);
565 bufp_free(dev
, intp
, ep
);
568 usb_packet_copy(p
, intp
->data
, len
);
569 bufp_free(dev
, intp
, ep
);
572 /* Output interrupt endpoint, normal async operation */
573 AsyncURB
*aurb
= async_alloc(dev
, p
);
574 struct usb_redir_interrupt_packet_header interrupt_packet
;
575 uint8_t buf
[p
->iov
.size
];
577 DPRINTF("interrupt-out ep %02X len %zd id %u\n", ep
, p
->iov
.size
,
580 interrupt_packet
.endpoint
= ep
;
581 interrupt_packet
.length
= p
->iov
.size
;
582 aurb
->interrupt_packet
= interrupt_packet
;
584 usb_packet_copy(p
, buf
, p
->iov
.size
);
585 usbredir_log_data(dev
, "interrupt data out:", buf
, p
->iov
.size
);
586 usbredirparser_send_interrupt_packet(dev
->parser
, aurb
->packet_id
,
587 &interrupt_packet
, buf
, p
->iov
.size
);
588 usbredirparser_do_write(dev
->parser
);
589 return USB_RET_ASYNC
;
593 static void usbredir_stop_interrupt_receiving(USBRedirDevice
*dev
,
596 struct usb_redir_stop_interrupt_receiving_header stop_interrupt_recv
= {
599 if (dev
->endpoint
[EP2I(ep
)].interrupt_started
) {
600 usbredirparser_send_stop_interrupt_receiving(dev
->parser
, 0,
601 &stop_interrupt_recv
);
602 DPRINTF("interrupt recv stopped ep %02X\n", ep
);
603 dev
->endpoint
[EP2I(ep
)].interrupt_started
= 0;
605 dev
->endpoint
[EP2I(ep
)].interrupt_error
= 0;
606 usbredir_free_bufpq(dev
, ep
);
609 static int usbredir_handle_data(USBDevice
*udev
, USBPacket
*p
)
611 USBRedirDevice
*dev
= DO_UPCAST(USBRedirDevice
, dev
, udev
);
615 if (p
->pid
== USB_TOKEN_IN
) {
619 switch (dev
->endpoint
[EP2I(ep
)].type
) {
620 case USB_ENDPOINT_XFER_CONTROL
:
621 ERROR("handle_data called for control transfer on ep %02X\n", ep
);
623 case USB_ENDPOINT_XFER_ISOC
:
624 return usbredir_handle_iso_data(dev
, p
, ep
);
625 case USB_ENDPOINT_XFER_BULK
:
626 return usbredir_handle_bulk_data(dev
, p
, ep
);
627 case USB_ENDPOINT_XFER_INT
:
628 return usbredir_handle_interrupt_data(dev
, p
, ep
);
630 ERROR("handle_data ep %02X has unknown type %d\n", ep
,
631 dev
->endpoint
[EP2I(ep
)].type
);
636 static int usbredir_set_config(USBRedirDevice
*dev
, USBPacket
*p
,
639 struct usb_redir_set_configuration_header set_config
;
640 AsyncURB
*aurb
= async_alloc(dev
, p
);
643 DPRINTF("set config %d id %u\n", config
, aurb
->packet_id
);
645 for (i
= 0; i
< MAX_ENDPOINTS
; i
++) {
646 switch (dev
->endpoint
[i
].type
) {
647 case USB_ENDPOINT_XFER_ISOC
:
648 usbredir_stop_iso_stream(dev
, I2EP(i
));
650 case USB_ENDPOINT_XFER_INT
:
652 usbredir_stop_interrupt_receiving(dev
, I2EP(i
));
656 usbredir_free_bufpq(dev
, I2EP(i
));
659 set_config
.configuration
= config
;
660 usbredirparser_send_set_configuration(dev
->parser
, aurb
->packet_id
,
662 usbredirparser_do_write(dev
->parser
);
663 return USB_RET_ASYNC
;
666 static int usbredir_get_config(USBRedirDevice
*dev
, USBPacket
*p
)
668 AsyncURB
*aurb
= async_alloc(dev
, p
);
670 DPRINTF("get config id %u\n", aurb
->packet_id
);
673 usbredirparser_send_get_configuration(dev
->parser
, aurb
->packet_id
);
674 usbredirparser_do_write(dev
->parser
);
675 return USB_RET_ASYNC
;
678 static int usbredir_set_interface(USBRedirDevice
*dev
, USBPacket
*p
,
679 int interface
, int alt
)
681 struct usb_redir_set_alt_setting_header set_alt
;
682 AsyncURB
*aurb
= async_alloc(dev
, p
);
685 DPRINTF("set interface %d alt %d id %u\n", interface
, alt
,
688 for (i
= 0; i
< MAX_ENDPOINTS
; i
++) {
689 if (dev
->endpoint
[i
].interface
== interface
) {
690 switch (dev
->endpoint
[i
].type
) {
691 case USB_ENDPOINT_XFER_ISOC
:
692 usbredir_stop_iso_stream(dev
, I2EP(i
));
694 case USB_ENDPOINT_XFER_INT
:
696 usbredir_stop_interrupt_receiving(dev
, I2EP(i
));
700 usbredir_free_bufpq(dev
, I2EP(i
));
704 set_alt
.interface
= interface
;
706 usbredirparser_send_set_alt_setting(dev
->parser
, aurb
->packet_id
,
708 usbredirparser_do_write(dev
->parser
);
709 return USB_RET_ASYNC
;
712 static int usbredir_get_interface(USBRedirDevice
*dev
, USBPacket
*p
,
715 struct usb_redir_get_alt_setting_header get_alt
;
716 AsyncURB
*aurb
= async_alloc(dev
, p
);
718 DPRINTF("get interface %d id %u\n", interface
, aurb
->packet_id
);
720 get_alt
.interface
= interface
;
722 usbredirparser_send_get_alt_setting(dev
->parser
, aurb
->packet_id
,
724 usbredirparser_do_write(dev
->parser
);
725 return USB_RET_ASYNC
;
728 static int usbredir_handle_control(USBDevice
*udev
, USBPacket
*p
,
729 int request
, int value
, int index
, int length
, uint8_t *data
)
731 USBRedirDevice
*dev
= DO_UPCAST(USBRedirDevice
, dev
, udev
);
732 struct usb_redir_control_packet_header control_packet
;
735 /* Special cases for certain standard device requests */
737 case DeviceOutRequest
| USB_REQ_SET_ADDRESS
:
738 DPRINTF("set address %d\n", value
);
739 dev
->dev
.addr
= value
;
741 case DeviceOutRequest
| USB_REQ_SET_CONFIGURATION
:
742 return usbredir_set_config(dev
, p
, value
& 0xff);
743 case DeviceRequest
| USB_REQ_GET_CONFIGURATION
:
744 return usbredir_get_config(dev
, p
);
745 case InterfaceOutRequest
| USB_REQ_SET_INTERFACE
:
746 return usbredir_set_interface(dev
, p
, index
, value
);
747 case InterfaceRequest
| USB_REQ_GET_INTERFACE
:
748 return usbredir_get_interface(dev
, p
, index
);
751 /* "Normal" ctrl requests */
752 aurb
= async_alloc(dev
, p
);
754 /* Note request is (bRequestType << 8) | bRequest */
755 DPRINTF("ctrl-out type 0x%x req 0x%x val 0x%x index %d len %d id %u\n",
756 request
>> 8, request
& 0xff, value
, index
, length
,
759 control_packet
.request
= request
& 0xFF;
760 control_packet
.requesttype
= request
>> 8;
761 control_packet
.endpoint
= control_packet
.requesttype
& USB_DIR_IN
;
762 control_packet
.value
= value
;
763 control_packet
.index
= index
;
764 control_packet
.length
= length
;
765 aurb
->control_packet
= control_packet
;
767 if (control_packet
.requesttype
& USB_DIR_IN
) {
768 usbredirparser_send_control_packet(dev
->parser
, aurb
->packet_id
,
769 &control_packet
, NULL
, 0);
771 usbredir_log_data(dev
, "ctrl data out:", data
, length
);
772 usbredirparser_send_control_packet(dev
->parser
, aurb
->packet_id
,
773 &control_packet
, data
, length
);
775 usbredirparser_do_write(dev
->parser
);
776 return USB_RET_ASYNC
;
780 * Close events can be triggered by usbredirparser_do_write which gets called
781 * from within the USBDevice data / control packet callbacks and doing a
782 * usb_detach from within these callbacks is not a good idea.
784 * So we use a bh handler to take care of close events. We also handle
785 * open events from this callback to make sure that a close directly followed
786 * by an open gets handled in the right order.
788 static void usbredir_open_close_bh(void *opaque
)
790 USBRedirDevice
*dev
= opaque
;
791 uint32_t caps
[USB_REDIR_CAPS_SIZE
] = { 0, };
793 usbredir_device_disconnect(dev
);
796 usbredirparser_destroy(dev
->parser
);
800 if (dev
->cs
->opened
) {
801 dev
->parser
= qemu_oom_check(usbredirparser_create());
802 dev
->parser
->priv
= dev
;
803 dev
->parser
->log_func
= usbredir_log
;
804 dev
->parser
->read_func
= usbredir_read
;
805 dev
->parser
->write_func
= usbredir_write
;
806 dev
->parser
->hello_func
= usbredir_hello
;
807 dev
->parser
->device_connect_func
= usbredir_device_connect
;
808 dev
->parser
->device_disconnect_func
= usbredir_device_disconnect
;
809 dev
->parser
->interface_info_func
= usbredir_interface_info
;
810 dev
->parser
->ep_info_func
= usbredir_ep_info
;
811 dev
->parser
->configuration_status_func
= usbredir_configuration_status
;
812 dev
->parser
->alt_setting_status_func
= usbredir_alt_setting_status
;
813 dev
->parser
->iso_stream_status_func
= usbredir_iso_stream_status
;
814 dev
->parser
->interrupt_receiving_status_func
=
815 usbredir_interrupt_receiving_status
;
816 dev
->parser
->bulk_streams_status_func
= usbredir_bulk_streams_status
;
817 dev
->parser
->control_packet_func
= usbredir_control_packet
;
818 dev
->parser
->bulk_packet_func
= usbredir_bulk_packet
;
819 dev
->parser
->iso_packet_func
= usbredir_iso_packet
;
820 dev
->parser
->interrupt_packet_func
= usbredir_interrupt_packet
;
821 dev
->read_buf
= NULL
;
822 dev
->read_buf_size
= 0;
824 usbredirparser_caps_set_cap(caps
, usb_redir_cap_connect_device_version
);
825 usbredirparser_caps_set_cap(caps
, usb_redir_cap_filter
);
826 usbredirparser_init(dev
->parser
, VERSION
, caps
, USB_REDIR_CAPS_SIZE
, 0);
827 usbredirparser_do_write(dev
->parser
);
831 static void usbredir_do_attach(void *opaque
)
833 USBRedirDevice
*dev
= opaque
;
835 usb_device_attach(&dev
->dev
);
842 static int usbredir_chardev_can_read(void *opaque
)
844 USBRedirDevice
*dev
= opaque
;
847 /* usbredir_parser_do_read will consume *all* data we give it */
850 /* usbredir_open_close_bh hasn't handled the open event yet */
855 static void usbredir_chardev_read(void *opaque
, const uint8_t *buf
, int size
)
857 USBRedirDevice
*dev
= opaque
;
859 /* No recursion allowed! */
860 assert(dev
->read_buf
== NULL
);
863 dev
->read_buf_size
= size
;
865 usbredirparser_do_read(dev
->parser
);
866 /* Send any acks, etc. which may be queued now */
867 usbredirparser_do_write(dev
->parser
);
870 static void usbredir_chardev_event(void *opaque
, int event
)
872 USBRedirDevice
*dev
= opaque
;
875 case CHR_EVENT_OPENED
:
876 case CHR_EVENT_CLOSED
:
877 qemu_bh_schedule(dev
->open_close_bh
);
886 static int usbredir_initfn(USBDevice
*udev
)
888 USBRedirDevice
*dev
= DO_UPCAST(USBRedirDevice
, dev
, udev
);
891 if (dev
->cs
== NULL
) {
892 qerror_report(QERR_MISSING_PARAMETER
, "chardev");
896 if (dev
->filter_str
) {
897 i
= usbredirfilter_string_to_rules(dev
->filter_str
, ":", "|",
899 &dev
->filter_rules_count
);
901 qerror_report(QERR_INVALID_PARAMETER_VALUE
, "filter",
902 "a usb device filter string");
907 dev
->open_close_bh
= qemu_bh_new(usbredir_open_close_bh
, dev
);
908 dev
->attach_timer
= qemu_new_timer_ms(vm_clock
, usbredir_do_attach
, dev
);
910 QTAILQ_INIT(&dev
->asyncq
);
911 for (i
= 0; i
< MAX_ENDPOINTS
; i
++) {
912 QTAILQ_INIT(&dev
->endpoint
[i
].bufpq
);
915 /* We'll do the attach once we receive the speed from the usb-host */
916 udev
->auto_attach
= 0;
918 /* Let the backend know we are ready */
919 qemu_chr_fe_open(dev
->cs
);
920 qemu_chr_add_handlers(dev
->cs
, usbredir_chardev_can_read
,
921 usbredir_chardev_read
, usbredir_chardev_event
, dev
);
926 static void usbredir_cleanup_device_queues(USBRedirDevice
*dev
)
928 AsyncURB
*aurb
, *next_aurb
;
931 QTAILQ_FOREACH_SAFE(aurb
, &dev
->asyncq
, next
, next_aurb
) {
932 async_free(dev
, aurb
);
934 for (i
= 0; i
< MAX_ENDPOINTS
; i
++) {
935 usbredir_free_bufpq(dev
, I2EP(i
));
939 static void usbredir_handle_destroy(USBDevice
*udev
)
941 USBRedirDevice
*dev
= DO_UPCAST(USBRedirDevice
, dev
, udev
);
943 qemu_chr_fe_close(dev
->cs
);
944 qemu_chr_delete(dev
->cs
);
945 /* Note must be done after qemu_chr_close, as that causes a close event */
946 qemu_bh_delete(dev
->open_close_bh
);
948 qemu_del_timer(dev
->attach_timer
);
949 qemu_free_timer(dev
->attach_timer
);
951 usbredir_cleanup_device_queues(dev
);
954 usbredirparser_destroy(dev
->parser
);
957 free(dev
->filter_rules
);
960 static int usbredir_check_filter(USBRedirDevice
*dev
)
962 if (dev
->interface_info
.interface_count
== 0) {
963 ERROR("No interface info for device\n");
967 if (dev
->filter_rules
) {
968 if (!usbredirparser_peer_has_cap(dev
->parser
,
969 usb_redir_cap_connect_device_version
)) {
970 ERROR("Device filter specified and peer does not have the "
971 "connect_device_version capability\n");
975 if (usbredirfilter_check(
977 dev
->filter_rules_count
,
978 dev
->device_info
.device_class
,
979 dev
->device_info
.device_subclass
,
980 dev
->device_info
.device_protocol
,
981 dev
->interface_info
.interface_class
,
982 dev
->interface_info
.interface_subclass
,
983 dev
->interface_info
.interface_protocol
,
984 dev
->interface_info
.interface_count
,
985 dev
->device_info
.vendor_id
,
986 dev
->device_info
.product_id
,
987 dev
->device_info
.device_version_bcd
,
996 usbredir_device_disconnect(dev
);
997 if (usbredirparser_peer_has_cap(dev
->parser
, usb_redir_cap_filter
)) {
998 usbredirparser_send_filter_reject(dev
->parser
);
999 usbredirparser_do_write(dev
->parser
);
1005 * usbredirparser packet complete callbacks
1008 static int usbredir_handle_status(USBRedirDevice
*dev
,
1009 int status
, int actual_len
)
1012 case usb_redir_success
:
1014 case usb_redir_stall
:
1015 return USB_RET_STALL
;
1016 case usb_redir_cancelled
:
1017 WARNING("returning cancelled packet to HC?\n");
1018 case usb_redir_inval
:
1019 case usb_redir_ioerror
:
1020 case usb_redir_timeout
:
1026 static void usbredir_hello(void *priv
, struct usb_redir_hello_header
*h
)
1028 USBRedirDevice
*dev
= priv
;
1030 /* Try to send the filter info now that we've the usb-host's caps */
1031 if (usbredirparser_peer_has_cap(dev
->parser
, usb_redir_cap_filter
) &&
1032 dev
->filter_rules
) {
1033 usbredirparser_send_filter_filter(dev
->parser
, dev
->filter_rules
,
1034 dev
->filter_rules_count
);
1035 usbredirparser_do_write(dev
->parser
);
1039 static void usbredir_device_connect(void *priv
,
1040 struct usb_redir_device_connect_header
*device_connect
)
1042 USBRedirDevice
*dev
= priv
;
1045 if (qemu_timer_pending(dev
->attach_timer
) || dev
->dev
.attached
) {
1046 ERROR("Received device connect while already connected\n");
1050 switch (device_connect
->speed
) {
1051 case usb_redir_speed_low
:
1052 speed
= "low speed";
1053 dev
->dev
.speed
= USB_SPEED_LOW
;
1055 case usb_redir_speed_full
:
1056 speed
= "full speed";
1057 dev
->dev
.speed
= USB_SPEED_FULL
;
1059 case usb_redir_speed_high
:
1060 speed
= "high speed";
1061 dev
->dev
.speed
= USB_SPEED_HIGH
;
1063 case usb_redir_speed_super
:
1064 speed
= "super speed";
1065 dev
->dev
.speed
= USB_SPEED_SUPER
;
1068 speed
= "unknown speed";
1069 dev
->dev
.speed
= USB_SPEED_FULL
;
1072 if (usbredirparser_peer_has_cap(dev
->parser
,
1073 usb_redir_cap_connect_device_version
)) {
1074 INFO("attaching %s device %04x:%04x version %d.%d class %02x\n",
1075 speed
, device_connect
->vendor_id
, device_connect
->product_id
,
1076 ((device_connect
->device_version_bcd
& 0xf000) >> 12) * 10 +
1077 ((device_connect
->device_version_bcd
& 0x0f00) >> 8),
1078 ((device_connect
->device_version_bcd
& 0x00f0) >> 4) * 10 +
1079 ((device_connect
->device_version_bcd
& 0x000f) >> 0),
1080 device_connect
->device_class
);
1082 INFO("attaching %s device %04x:%04x class %02x\n", speed
,
1083 device_connect
->vendor_id
, device_connect
->product_id
,
1084 device_connect
->device_class
);
1087 dev
->dev
.speedmask
= (1 << dev
->dev
.speed
);
1088 dev
->device_info
= *device_connect
;
1090 if (usbredir_check_filter(dev
)) {
1091 WARNING("Device %04x:%04x rejected by device filter, not attaching\n",
1092 device_connect
->vendor_id
, device_connect
->product_id
);
1096 qemu_mod_timer(dev
->attach_timer
, dev
->next_attach_time
);
1099 static void usbredir_device_disconnect(void *priv
)
1101 USBRedirDevice
*dev
= priv
;
1104 /* Stop any pending attaches */
1105 qemu_del_timer(dev
->attach_timer
);
1107 if (dev
->dev
.attached
) {
1108 usb_device_detach(&dev
->dev
);
1110 * Delay next usb device attach to give the guest a chance to see
1111 * see the detach / attach in case of quick close / open succession
1113 dev
->next_attach_time
= qemu_get_clock_ms(vm_clock
) + 200;
1116 /* Reset state so that the next dev connected starts with a clean slate */
1117 usbredir_cleanup_device_queues(dev
);
1118 memset(dev
->endpoint
, 0, sizeof(dev
->endpoint
));
1119 for (i
= 0; i
< MAX_ENDPOINTS
; i
++) {
1120 QTAILQ_INIT(&dev
->endpoint
[i
].bufpq
);
1122 dev
->interface_info
.interface_count
= 0;
1125 static void usbredir_interface_info(void *priv
,
1126 struct usb_redir_interface_info_header
*interface_info
)
1128 USBRedirDevice
*dev
= priv
;
1130 dev
->interface_info
= *interface_info
;
1133 * If we receive interface info after the device has already been
1134 * connected (ie on a set_config), re-check the filter.
1136 if (qemu_timer_pending(dev
->attach_timer
) || dev
->dev
.attached
) {
1137 if (usbredir_check_filter(dev
)) {
1138 ERROR("Device no longer matches filter after interface info "
1139 "change, disconnecting!\n");
1144 static void usbredir_ep_info(void *priv
,
1145 struct usb_redir_ep_info_header
*ep_info
)
1147 USBRedirDevice
*dev
= priv
;
1150 for (i
= 0; i
< MAX_ENDPOINTS
; i
++) {
1151 dev
->endpoint
[i
].type
= ep_info
->type
[i
];
1152 dev
->endpoint
[i
].interval
= ep_info
->interval
[i
];
1153 dev
->endpoint
[i
].interface
= ep_info
->interface
[i
];
1154 switch (dev
->endpoint
[i
].type
) {
1155 case usb_redir_type_invalid
:
1157 case usb_redir_type_iso
:
1158 case usb_redir_type_interrupt
:
1159 if (dev
->endpoint
[i
].interval
== 0) {
1160 ERROR("Received 0 interval for isoc or irq endpoint\n");
1161 usbredir_device_disconnect(dev
);
1164 case usb_redir_type_control
:
1165 case usb_redir_type_bulk
:
1166 DPRINTF("ep: %02X type: %d interface: %d\n", I2EP(i
),
1167 dev
->endpoint
[i
].type
, dev
->endpoint
[i
].interface
);
1170 ERROR("Received invalid endpoint type\n");
1171 usbredir_device_disconnect(dev
);
1176 static void usbredir_configuration_status(void *priv
, uint32_t id
,
1177 struct usb_redir_configuration_status_header
*config_status
)
1179 USBRedirDevice
*dev
= priv
;
1183 DPRINTF("set config status %d config %d id %u\n", config_status
->status
,
1184 config_status
->configuration
, id
);
1186 aurb
= async_find(dev
, id
);
1192 dev
->dev
.data_buf
[0] = config_status
->configuration
;
1195 aurb
->packet
->result
=
1196 usbredir_handle_status(dev
, config_status
->status
, len
);
1197 usb_generic_async_ctrl_complete(&dev
->dev
, aurb
->packet
);
1199 async_free(dev
, aurb
);
1202 static void usbredir_alt_setting_status(void *priv
, uint32_t id
,
1203 struct usb_redir_alt_setting_status_header
*alt_setting_status
)
1205 USBRedirDevice
*dev
= priv
;
1209 DPRINTF("alt status %d intf %d alt %d id: %u\n",
1210 alt_setting_status
->status
,
1211 alt_setting_status
->interface
,
1212 alt_setting_status
->alt
, id
);
1214 aurb
= async_find(dev
, id
);
1220 dev
->dev
.data_buf
[0] = alt_setting_status
->alt
;
1223 aurb
->packet
->result
=
1224 usbredir_handle_status(dev
, alt_setting_status
->status
, len
);
1225 usb_generic_async_ctrl_complete(&dev
->dev
, aurb
->packet
);
1227 async_free(dev
, aurb
);
1230 static void usbredir_iso_stream_status(void *priv
, uint32_t id
,
1231 struct usb_redir_iso_stream_status_header
*iso_stream_status
)
1233 USBRedirDevice
*dev
= priv
;
1234 uint8_t ep
= iso_stream_status
->endpoint
;
1236 DPRINTF("iso status %d ep %02X id %u\n", iso_stream_status
->status
,
1239 if (!dev
->dev
.attached
|| !dev
->endpoint
[EP2I(ep
)].iso_started
) {
1243 dev
->endpoint
[EP2I(ep
)].iso_error
= iso_stream_status
->status
;
1244 if (iso_stream_status
->status
== usb_redir_stall
) {
1245 DPRINTF("iso stream stopped by peer ep %02X\n", ep
);
1246 dev
->endpoint
[EP2I(ep
)].iso_started
= 0;
1250 static void usbredir_interrupt_receiving_status(void *priv
, uint32_t id
,
1251 struct usb_redir_interrupt_receiving_status_header
1252 *interrupt_receiving_status
)
1254 USBRedirDevice
*dev
= priv
;
1255 uint8_t ep
= interrupt_receiving_status
->endpoint
;
1257 DPRINTF("interrupt recv status %d ep %02X id %u\n",
1258 interrupt_receiving_status
->status
, ep
, id
);
1260 if (!dev
->dev
.attached
|| !dev
->endpoint
[EP2I(ep
)].interrupt_started
) {
1264 dev
->endpoint
[EP2I(ep
)].interrupt_error
=
1265 interrupt_receiving_status
->status
;
1266 if (interrupt_receiving_status
->status
== usb_redir_stall
) {
1267 DPRINTF("interrupt receiving stopped by peer ep %02X\n", ep
);
1268 dev
->endpoint
[EP2I(ep
)].interrupt_started
= 0;
1272 static void usbredir_bulk_streams_status(void *priv
, uint32_t id
,
1273 struct usb_redir_bulk_streams_status_header
*bulk_streams_status
)
1277 static void usbredir_control_packet(void *priv
, uint32_t id
,
1278 struct usb_redir_control_packet_header
*control_packet
,
1279 uint8_t *data
, int data_len
)
1281 USBRedirDevice
*dev
= priv
;
1282 int len
= control_packet
->length
;
1285 DPRINTF("ctrl-in status %d len %d id %u\n", control_packet
->status
,
1288 aurb
= async_find(dev
, id
);
1294 aurb
->control_packet
.status
= control_packet
->status
;
1295 aurb
->control_packet
.length
= control_packet
->length
;
1296 if (memcmp(&aurb
->control_packet
, control_packet
,
1297 sizeof(*control_packet
))) {
1298 ERROR("return control packet mismatch, please report this!\n");
1303 len
= usbredir_handle_status(dev
, control_packet
->status
, len
);
1305 usbredir_log_data(dev
, "ctrl data in:", data
, data_len
);
1306 if (data_len
<= sizeof(dev
->dev
.data_buf
)) {
1307 memcpy(dev
->dev
.data_buf
, data
, data_len
);
1309 ERROR("ctrl buffer too small (%d > %zu)\n",
1310 data_len
, sizeof(dev
->dev
.data_buf
));
1311 len
= USB_RET_STALL
;
1314 aurb
->packet
->result
= len
;
1315 usb_generic_async_ctrl_complete(&dev
->dev
, aurb
->packet
);
1317 async_free(dev
, aurb
);
1321 static void usbredir_bulk_packet(void *priv
, uint32_t id
,
1322 struct usb_redir_bulk_packet_header
*bulk_packet
,
1323 uint8_t *data
, int data_len
)
1325 USBRedirDevice
*dev
= priv
;
1326 uint8_t ep
= bulk_packet
->endpoint
;
1327 int len
= bulk_packet
->length
;
1330 DPRINTF("bulk-in status %d ep %02X len %d id %u\n", bulk_packet
->status
,
1333 aurb
= async_find(dev
, id
);
1339 if (aurb
->bulk_packet
.endpoint
!= bulk_packet
->endpoint
||
1340 aurb
->bulk_packet
.stream_id
!= bulk_packet
->stream_id
) {
1341 ERROR("return bulk packet mismatch, please report this!\n");
1346 len
= usbredir_handle_status(dev
, bulk_packet
->status
, len
);
1348 usbredir_log_data(dev
, "bulk data in:", data
, data_len
);
1349 if (data_len
<= aurb
->packet
->iov
.size
) {
1350 usb_packet_copy(aurb
->packet
, data
, data_len
);
1352 ERROR("bulk buffer too small (%d > %zd)\n", data_len
,
1353 aurb
->packet
->iov
.size
);
1354 len
= USB_RET_STALL
;
1357 aurb
->packet
->result
= len
;
1358 usb_packet_complete(&dev
->dev
, aurb
->packet
);
1360 async_free(dev
, aurb
);
1364 static void usbredir_iso_packet(void *priv
, uint32_t id
,
1365 struct usb_redir_iso_packet_header
*iso_packet
,
1366 uint8_t *data
, int data_len
)
1368 USBRedirDevice
*dev
= priv
;
1369 uint8_t ep
= iso_packet
->endpoint
;
1371 DPRINTF2("iso-in status %d ep %02X len %d id %u\n", iso_packet
->status
, ep
,
1374 if (dev
->endpoint
[EP2I(ep
)].type
!= USB_ENDPOINT_XFER_ISOC
) {
1375 ERROR("received iso packet for non iso endpoint %02X\n", ep
);
1380 if (dev
->endpoint
[EP2I(ep
)].iso_started
== 0) {
1381 DPRINTF("received iso packet for non started stream ep %02X\n", ep
);
1386 /* bufp_alloc also adds the packet to the ep queue */
1387 bufp_alloc(dev
, data
, data_len
, iso_packet
->status
, ep
);
1390 static void usbredir_interrupt_packet(void *priv
, uint32_t id
,
1391 struct usb_redir_interrupt_packet_header
*interrupt_packet
,
1392 uint8_t *data
, int data_len
)
1394 USBRedirDevice
*dev
= priv
;
1395 uint8_t ep
= interrupt_packet
->endpoint
;
1397 DPRINTF("interrupt-in status %d ep %02X len %d id %u\n",
1398 interrupt_packet
->status
, ep
, data_len
, id
);
1400 if (dev
->endpoint
[EP2I(ep
)].type
!= USB_ENDPOINT_XFER_INT
) {
1401 ERROR("received int packet for non interrupt endpoint %02X\n", ep
);
1406 if (ep
& USB_DIR_IN
) {
1407 if (dev
->endpoint
[EP2I(ep
)].interrupt_started
== 0) {
1408 DPRINTF("received int packet while not started ep %02X\n", ep
);
1413 /* bufp_alloc also adds the packet to the ep queue */
1414 bufp_alloc(dev
, data
, data_len
, interrupt_packet
->status
, ep
);
1416 int len
= interrupt_packet
->length
;
1418 AsyncURB
*aurb
= async_find(dev
, id
);
1423 if (aurb
->interrupt_packet
.endpoint
!= interrupt_packet
->endpoint
) {
1424 ERROR("return int packet mismatch, please report this!\n");
1429 aurb
->packet
->result
= usbredir_handle_status(dev
,
1430 interrupt_packet
->status
, len
);
1431 usb_packet_complete(&dev
->dev
, aurb
->packet
);
1433 async_free(dev
, aurb
);
1437 static Property usbredir_properties
[] = {
1438 DEFINE_PROP_CHR("chardev", USBRedirDevice
, cs
),
1439 DEFINE_PROP_UINT8("debug", USBRedirDevice
, debug
, 0),
1440 DEFINE_PROP_STRING("filter", USBRedirDevice
, filter_str
),
1441 DEFINE_PROP_END_OF_LIST(),
1444 static void usbredir_class_initfn(ObjectClass
*klass
, void *data
)
1446 USBDeviceClass
*uc
= USB_DEVICE_CLASS(klass
);
1447 DeviceClass
*dc
= DEVICE_CLASS(klass
);
1449 uc
->init
= usbredir_initfn
;
1450 uc
->product_desc
= "USB Redirection Device";
1451 uc
->handle_destroy
= usbredir_handle_destroy
;
1452 uc
->cancel_packet
= usbredir_cancel_packet
;
1453 uc
->handle_reset
= usbredir_handle_reset
;
1454 uc
->handle_data
= usbredir_handle_data
;
1455 uc
->handle_control
= usbredir_handle_control
;
1456 dc
->props
= usbredir_properties
;
1459 static TypeInfo usbredir_dev_info
= {
1460 .name
= "usb-redir",
1461 .parent
= TYPE_USB_DEVICE
,
1462 .instance_size
= sizeof(USBRedirDevice
),
1463 .class_init
= usbredir_class_initfn
,
1466 static void usbredir_register_types(void)
1468 type_register_static(&usbredir_dev_info
);
1471 type_init(usbredir_register_types
)