1 /* 2 * USB redirector usb-guest 3 * 4 * Copyright (c) 2011-2012 Red Hat, Inc. 5 * 6 * Red Hat Authors: 7 * Hans de Goede <hdegoede@redhat.com> 8 * 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: 15 * 16 * The above copyright notice and this permission notice shall be included in 17 * all copies or substantial portions of the Software. 18 * 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 25 * THE SOFTWARE. 26 */ 27 28 #include "qemu-common.h" 29 #include "qemu-timer.h" 30 #include "monitor.h" 31 #include "sysemu.h" 32 33 #include <dirent.h> 34 #include <sys/ioctl.h> 35 #include <signal.h> 36 #include <usbredirparser.h> 37 #include <usbredirfilter.h> 38 39 #include "hw/usb.h" 40 41 #define MAX_ENDPOINTS 32 42 #define NO_INTERFACE_INFO 255 /* Valid interface_count always <= 32 */ 43 #define EP2I(ep_address) (((ep_address & 0x80) >> 3) | (ep_address & 0x0f)) 44 #define I2EP(i) (((i & 0x10) << 3) | (i & 0x0f)) 45 46 typedef struct USBRedirDevice USBRedirDevice; 47 48 /* Struct to hold buffered packets (iso or int input packets) */ 49 struct buf_packet { 50 uint8_t *data; 51 int len; 52 int status; 53 QTAILQ_ENTRY(buf_packet)next; 54 }; 55 56 struct endp_data { 57 uint8_t type; 58 uint8_t interval; 59 uint8_t interface; /* bInterfaceNumber this ep belongs to */ 60 uint16_t max_packet_size; /* In bytes, not wMaxPacketSize format !! */ 61 uint8_t iso_started; 62 uint8_t iso_error; /* For reporting iso errors to the HC */ 63 uint8_t interrupt_started; 64 uint8_t interrupt_error; 65 uint8_t bufpq_prefilled; 66 uint8_t bufpq_dropping_packets; 67 QTAILQ_HEAD(, buf_packet) bufpq; 68 int32_t bufpq_size; 69 int32_t bufpq_target_size; 70 }; 71 72 struct PacketIdQueueEntry { 73 uint64_t id; 74 QTAILQ_ENTRY(PacketIdQueueEntry)next; 75 }; 76 77 struct PacketIdQueue { 78 USBRedirDevice *dev; 79 const char *name; 80 QTAILQ_HEAD(, PacketIdQueueEntry) head; 81 int size; 82 }; 83 84 struct USBRedirDevice { 85 USBDevice dev; 86 /* Properties */ 87 CharDriverState *cs; 88 uint8_t debug; 89 char *filter_str; 90 int32_t bootindex; 91 /* Data passed from chardev the fd_read cb to the usbredirparser read cb */ 92 const uint8_t *read_buf; 93 int read_buf_size; 94 /* For async handling of close */ 95 QEMUBH *chardev_close_bh; 96 /* To delay the usb attach in case of quick chardev close + open */ 97 QEMUTimer *attach_timer; 98 int64_t next_attach_time; 99 struct usbredirparser *parser; 100 struct endp_data endpoint[MAX_ENDPOINTS]; 101 struct PacketIdQueue cancelled; 102 struct PacketIdQueue already_in_flight; 103 /* Data for device filtering */ 104 struct usb_redir_device_connect_header device_info; 105 struct usb_redir_interface_info_header interface_info; 106 struct usbredirfilter_rule *filter_rules; 107 int filter_rules_count; 108 }; 109 110 static void usbredir_hello(void *priv, struct usb_redir_hello_header *h); 111 static void usbredir_device_connect(void *priv, 112 struct usb_redir_device_connect_header *device_connect); 113 static void usbredir_device_disconnect(void *priv); 114 static void usbredir_interface_info(void *priv, 115 struct usb_redir_interface_info_header *interface_info); 116 static void usbredir_ep_info(void *priv, 117 struct usb_redir_ep_info_header *ep_info); 118 static void usbredir_configuration_status(void *priv, uint64_t id, 119 struct usb_redir_configuration_status_header *configuration_status); 120 static void usbredir_alt_setting_status(void *priv, uint64_t id, 121 struct usb_redir_alt_setting_status_header *alt_setting_status); 122 static void usbredir_iso_stream_status(void *priv, uint64_t id, 123 struct usb_redir_iso_stream_status_header *iso_stream_status); 124 static void usbredir_interrupt_receiving_status(void *priv, uint64_t id, 125 struct usb_redir_interrupt_receiving_status_header 126 *interrupt_receiving_status); 127 static void usbredir_bulk_streams_status(void *priv, uint64_t id, 128 struct usb_redir_bulk_streams_status_header *bulk_streams_status); 129 static void usbredir_control_packet(void *priv, uint64_t id, 130 struct usb_redir_control_packet_header *control_packet, 131 uint8_t *data, int data_len); 132 static void usbredir_bulk_packet(void *priv, uint64_t id, 133 struct usb_redir_bulk_packet_header *bulk_packet, 134 uint8_t *data, int data_len); 135 static void usbredir_iso_packet(void *priv, uint64_t id, 136 struct usb_redir_iso_packet_header *iso_packet, 137 uint8_t *data, int data_len); 138 static void usbredir_interrupt_packet(void *priv, uint64_t id, 139 struct usb_redir_interrupt_packet_header *interrupt_header, 140 uint8_t *data, int data_len); 141 142 static int usbredir_handle_status(USBRedirDevice *dev, 143 int status, int actual_len); 144 145 #define VERSION "qemu usb-redir guest " QEMU_VERSION 146 147 /* 148 * Logging stuff 149 */ 150 151 #define ERROR(...) \ 152 do { \ 153 if (dev->debug >= usbredirparser_error) { \ 154 error_report("usb-redir error: " __VA_ARGS__); \ 155 } \ 156 } while (0) 157 #define WARNING(...) \ 158 do { \ 159 if (dev->debug >= usbredirparser_warning) { \ 160 error_report("usb-redir warning: " __VA_ARGS__); \ 161 } \ 162 } while (0) 163 #define INFO(...) \ 164 do { \ 165 if (dev->debug >= usbredirparser_info) { \ 166 error_report("usb-redir: " __VA_ARGS__); \ 167 } \ 168 } while (0) 169 #define DPRINTF(...) \ 170 do { \ 171 if (dev->debug >= usbredirparser_debug) { \ 172 error_report("usb-redir: " __VA_ARGS__); \ 173 } \ 174 } while (0) 175 #define DPRINTF2(...) \ 176 do { \ 177 if (dev->debug >= usbredirparser_debug_data) { \ 178 error_report("usb-redir: " __VA_ARGS__); \ 179 } \ 180 } while (0) 181 182 static void usbredir_log(void *priv, int level, const char *msg) 183 { 184 USBRedirDevice *dev = priv; 185 186 if (dev->debug < level) { 187 return; 188 } 189 190 error_report("%s", msg); 191 } 192 193 static void usbredir_log_data(USBRedirDevice *dev, const char *desc, 194 const uint8_t *data, int len) 195 { 196 int i, j, n; 197 198 if (dev->debug < usbredirparser_debug_data) { 199 return; 200 } 201 202 for (i = 0; i < len; i += j) { 203 char buf[128]; 204 205 n = sprintf(buf, "%s", desc); 206 for (j = 0; j < 8 && i + j < len; j++) { 207 n += sprintf(buf + n, " %02X", data[i + j]); 208 } 209 error_report("%s", buf); 210 } 211 } 212 213 /* 214 * usbredirparser io functions 215 */ 216 217 static int usbredir_read(void *priv, uint8_t *data, int count) 218 { 219 USBRedirDevice *dev = priv; 220 221 if (dev->read_buf_size < count) { 222 count = dev->read_buf_size; 223 } 224 225 memcpy(data, dev->read_buf, count); 226 227 dev->read_buf_size -= count; 228 if (dev->read_buf_size) { 229 dev->read_buf += count; 230 } else { 231 dev->read_buf = NULL; 232 } 233 234 return count; 235 } 236 237 static int usbredir_write(void *priv, uint8_t *data, int count) 238 { 239 USBRedirDevice *dev = priv; 240 241 if (!dev->cs->opened) { 242 return 0; 243 } 244 245 /* Don't send new data to the chardev until our state is fully synced */ 246 if (!runstate_check(RUN_STATE_RUNNING)) { 247 return 0; 248 } 249 250 return qemu_chr_fe_write(dev->cs, data, count); 251 } 252 253 /* 254 * Cancelled and buffered packets helpers 255 */ 256 257 static void packet_id_queue_init(struct PacketIdQueue *q, 258 USBRedirDevice *dev, const char *name) 259 { 260 q->dev = dev; 261 q->name = name; 262 QTAILQ_INIT(&q->head); 263 q->size = 0; 264 } 265 266 static void packet_id_queue_add(struct PacketIdQueue *q, uint64_t id) 267 { 268 USBRedirDevice *dev = q->dev; 269 struct PacketIdQueueEntry *e; 270 271 DPRINTF("adding packet id %"PRIu64" to %s queue\n", id, q->name); 272 273 e = g_malloc0(sizeof(struct PacketIdQueueEntry)); 274 e->id = id; 275 QTAILQ_INSERT_TAIL(&q->head, e, next); 276 q->size++; 277 } 278 279 static int packet_id_queue_remove(struct PacketIdQueue *q, uint64_t id) 280 { 281 USBRedirDevice *dev = q->dev; 282 struct PacketIdQueueEntry *e; 283 284 QTAILQ_FOREACH(e, &q->head, next) { 285 if (e->id == id) { 286 DPRINTF("removing packet id %"PRIu64" from %s queue\n", 287 id, q->name); 288 QTAILQ_REMOVE(&q->head, e, next); 289 q->size--; 290 g_free(e); 291 return 1; 292 } 293 } 294 return 0; 295 } 296 297 static void packet_id_queue_empty(struct PacketIdQueue *q) 298 { 299 USBRedirDevice *dev = q->dev; 300 struct PacketIdQueueEntry *e, *next_e; 301 302 DPRINTF("removing %d packet-ids from %s queue\n", q->size, q->name); 303 304 QTAILQ_FOREACH_SAFE(e, &q->head, next, next_e) { 305 QTAILQ_REMOVE(&q->head, e, next); 306 g_free(e); 307 } 308 q->size = 0; 309 } 310 311 static void usbredir_cancel_packet(USBDevice *udev, USBPacket *p) 312 { 313 USBRedirDevice *dev = DO_UPCAST(USBRedirDevice, dev, udev); 314 315 packet_id_queue_add(&dev->cancelled, p->id); 316 usbredirparser_send_cancel_data_packet(dev->parser, p->id); 317 usbredirparser_do_write(dev->parser); 318 } 319 320 static int usbredir_is_cancelled(USBRedirDevice *dev, uint64_t id) 321 { 322 if (!dev->dev.attached) { 323 return 1; /* Treat everything as cancelled after a disconnect */ 324 } 325 return packet_id_queue_remove(&dev->cancelled, id); 326 } 327 328 static void usbredir_fill_already_in_flight_from_ep(USBRedirDevice *dev, 329 struct USBEndpoint *ep) 330 { 331 static USBPacket *p; 332 333 QTAILQ_FOREACH(p, &ep->queue, queue) { 334 packet_id_queue_add(&dev->already_in_flight, p->id); 335 } 336 } 337 338 static void usbredir_fill_already_in_flight(USBRedirDevice *dev) 339 { 340 int ep; 341 struct USBDevice *udev = &dev->dev; 342 343 usbredir_fill_already_in_flight_from_ep(dev, &udev->ep_ctl); 344 345 for (ep = 0; ep < USB_MAX_ENDPOINTS; ep++) { 346 usbredir_fill_already_in_flight_from_ep(dev, &udev->ep_in[ep]); 347 usbredir_fill_already_in_flight_from_ep(dev, &udev->ep_out[ep]); 348 } 349 } 350 351 static int usbredir_already_in_flight(USBRedirDevice *dev, uint64_t id) 352 { 353 return packet_id_queue_remove(&dev->already_in_flight, id); 354 } 355 356 static USBPacket *usbredir_find_packet_by_id(USBRedirDevice *dev, 357 uint8_t ep, uint64_t id) 358 { 359 USBPacket *p; 360 361 if (usbredir_is_cancelled(dev, id)) { 362 return NULL; 363 } 364 365 p = usb_ep_find_packet_by_id(&dev->dev, 366 (ep & USB_DIR_IN) ? USB_TOKEN_IN : USB_TOKEN_OUT, 367 ep & 0x0f, id); 368 if (p == NULL) { 369 ERROR("could not find packet with id %"PRIu64"\n", id); 370 } 371 return p; 372 } 373 374 static void bufp_alloc(USBRedirDevice *dev, 375 uint8_t *data, int len, int status, uint8_t ep) 376 { 377 struct buf_packet *bufp; 378 379 if (!dev->endpoint[EP2I(ep)].bufpq_dropping_packets && 380 dev->endpoint[EP2I(ep)].bufpq_size > 381 2 * dev->endpoint[EP2I(ep)].bufpq_target_size) { 382 DPRINTF("bufpq overflow, dropping packets ep %02X\n", ep); 383 dev->endpoint[EP2I(ep)].bufpq_dropping_packets = 1; 384 } 385 /* Since we're interupting the stream anyways, drop enough packets to get 386 back to our target buffer size */ 387 if (dev->endpoint[EP2I(ep)].bufpq_dropping_packets) { 388 if (dev->endpoint[EP2I(ep)].bufpq_size > 389 dev->endpoint[EP2I(ep)].bufpq_target_size) { 390 free(data); 391 return; 392 } 393 dev->endpoint[EP2I(ep)].bufpq_dropping_packets = 0; 394 } 395 396 bufp = g_malloc(sizeof(struct buf_packet)); 397 bufp->data = data; 398 bufp->len = len; 399 bufp->status = status; 400 QTAILQ_INSERT_TAIL(&dev->endpoint[EP2I(ep)].bufpq, bufp, next); 401 dev->endpoint[EP2I(ep)].bufpq_size++; 402 } 403 404 static void bufp_free(USBRedirDevice *dev, struct buf_packet *bufp, 405 uint8_t ep) 406 { 407 QTAILQ_REMOVE(&dev->endpoint[EP2I(ep)].bufpq, bufp, next); 408 dev->endpoint[EP2I(ep)].bufpq_size--; 409 free(bufp->data); 410 g_free(bufp); 411 } 412 413 static void usbredir_free_bufpq(USBRedirDevice *dev, uint8_t ep) 414 { 415 struct buf_packet *buf, *buf_next; 416 417 QTAILQ_FOREACH_SAFE(buf, &dev->endpoint[EP2I(ep)].bufpq, next, buf_next) { 418 bufp_free(dev, buf, ep); 419 } 420 } 421 422 /* 423 * USBDevice callbacks 424 */ 425 426 static void usbredir_handle_reset(USBDevice *udev) 427 { 428 USBRedirDevice *dev = DO_UPCAST(USBRedirDevice, dev, udev); 429 430 DPRINTF("reset device\n"); 431 usbredirparser_send_reset(dev->parser); 432 usbredirparser_do_write(dev->parser); 433 } 434 435 static int usbredir_handle_iso_data(USBRedirDevice *dev, USBPacket *p, 436 uint8_t ep) 437 { 438 int status, len; 439 if (!dev->endpoint[EP2I(ep)].iso_started && 440 !dev->endpoint[EP2I(ep)].iso_error) { 441 struct usb_redir_start_iso_stream_header start_iso = { 442 .endpoint = ep, 443 }; 444 int pkts_per_sec; 445 446 if (dev->dev.speed == USB_SPEED_HIGH) { 447 pkts_per_sec = 8000 / dev->endpoint[EP2I(ep)].interval; 448 } else { 449 pkts_per_sec = 1000 / dev->endpoint[EP2I(ep)].interval; 450 } 451 /* Testing has shown that we need circa 60 ms buffer */ 452 dev->endpoint[EP2I(ep)].bufpq_target_size = (pkts_per_sec * 60) / 1000; 453 454 /* Aim for approx 100 interrupts / second on the client to 455 balance latency and interrupt load */ 456 start_iso.pkts_per_urb = pkts_per_sec / 100; 457 if (start_iso.pkts_per_urb < 1) { 458 start_iso.pkts_per_urb = 1; 459 } else if (start_iso.pkts_per_urb > 32) { 460 start_iso.pkts_per_urb = 32; 461 } 462 463 start_iso.no_urbs = (dev->endpoint[EP2I(ep)].bufpq_target_size + 464 start_iso.pkts_per_urb - 1) / 465 start_iso.pkts_per_urb; 466 /* Output endpoints pre-fill only 1/2 of the packets, keeping the rest 467 as overflow buffer. Also see the usbredir protocol documentation */ 468 if (!(ep & USB_DIR_IN)) { 469 start_iso.no_urbs *= 2; 470 } 471 if (start_iso.no_urbs > 16) { 472 start_iso.no_urbs = 16; 473 } 474 475 /* No id, we look at the ep when receiving a status back */ 476 usbredirparser_send_start_iso_stream(dev->parser, 0, &start_iso); 477 usbredirparser_do_write(dev->parser); 478 DPRINTF("iso stream started pkts/sec %d pkts/urb %d urbs %d ep %02X\n", 479 pkts_per_sec, start_iso.pkts_per_urb, start_iso.no_urbs, ep); 480 dev->endpoint[EP2I(ep)].iso_started = 1; 481 dev->endpoint[EP2I(ep)].bufpq_prefilled = 0; 482 dev->endpoint[EP2I(ep)].bufpq_dropping_packets = 0; 483 } 484 485 if (ep & USB_DIR_IN) { 486 struct buf_packet *isop; 487 488 if (dev->endpoint[EP2I(ep)].iso_started && 489 !dev->endpoint[EP2I(ep)].bufpq_prefilled) { 490 if (dev->endpoint[EP2I(ep)].bufpq_size < 491 dev->endpoint[EP2I(ep)].bufpq_target_size) { 492 return usbredir_handle_status(dev, 0, 0); 493 } 494 dev->endpoint[EP2I(ep)].bufpq_prefilled = 1; 495 } 496 497 isop = QTAILQ_FIRST(&dev->endpoint[EP2I(ep)].bufpq); 498 if (isop == NULL) { 499 DPRINTF("iso-token-in ep %02X, no isop, iso_error: %d\n", 500 ep, dev->endpoint[EP2I(ep)].iso_error); 501 /* Re-fill the buffer */ 502 dev->endpoint[EP2I(ep)].bufpq_prefilled = 0; 503 /* Check iso_error for stream errors, otherwise its an underrun */ 504 status = dev->endpoint[EP2I(ep)].iso_error; 505 dev->endpoint[EP2I(ep)].iso_error = 0; 506 return status ? USB_RET_IOERROR : 0; 507 } 508 DPRINTF2("iso-token-in ep %02X status %d len %d queue-size: %d\n", ep, 509 isop->status, isop->len, dev->endpoint[EP2I(ep)].bufpq_size); 510 511 status = isop->status; 512 if (status != usb_redir_success) { 513 bufp_free(dev, isop, ep); 514 return USB_RET_IOERROR; 515 } 516 517 len = isop->len; 518 if (len > p->iov.size) { 519 ERROR("received iso data is larger then packet ep %02X (%d > %d)\n", 520 ep, len, (int)p->iov.size); 521 bufp_free(dev, isop, ep); 522 return USB_RET_BABBLE; 523 } 524 usb_packet_copy(p, isop->data, len); 525 bufp_free(dev, isop, ep); 526 return len; 527 } else { 528 /* If the stream was not started because of a pending error don't 529 send the packet to the usb-host */ 530 if (dev->endpoint[EP2I(ep)].iso_started) { 531 struct usb_redir_iso_packet_header iso_packet = { 532 .endpoint = ep, 533 .length = p->iov.size 534 }; 535 uint8_t buf[p->iov.size]; 536 /* No id, we look at the ep when receiving a status back */ 537 usb_packet_copy(p, buf, p->iov.size); 538 usbredirparser_send_iso_packet(dev->parser, 0, &iso_packet, 539 buf, p->iov.size); 540 usbredirparser_do_write(dev->parser); 541 } 542 status = dev->endpoint[EP2I(ep)].iso_error; 543 dev->endpoint[EP2I(ep)].iso_error = 0; 544 DPRINTF2("iso-token-out ep %02X status %d len %zd\n", ep, status, 545 p->iov.size); 546 return usbredir_handle_status(dev, status, p->iov.size); 547 } 548 } 549 550 static void usbredir_stop_iso_stream(USBRedirDevice *dev, uint8_t ep) 551 { 552 struct usb_redir_stop_iso_stream_header stop_iso_stream = { 553 .endpoint = ep 554 }; 555 if (dev->endpoint[EP2I(ep)].iso_started) { 556 usbredirparser_send_stop_iso_stream(dev->parser, 0, &stop_iso_stream); 557 DPRINTF("iso stream stopped ep %02X\n", ep); 558 dev->endpoint[EP2I(ep)].iso_started = 0; 559 } 560 dev->endpoint[EP2I(ep)].iso_error = 0; 561 usbredir_free_bufpq(dev, ep); 562 } 563 564 static int usbredir_handle_bulk_data(USBRedirDevice *dev, USBPacket *p, 565 uint8_t ep) 566 { 567 struct usb_redir_bulk_packet_header bulk_packet; 568 569 DPRINTF("bulk-out ep %02X len %zd id %"PRIu64"\n", ep, p->iov.size, p->id); 570 571 if (usbredir_already_in_flight(dev, p->id)) { 572 return USB_RET_ASYNC; 573 } 574 575 bulk_packet.endpoint = ep; 576 bulk_packet.length = p->iov.size; 577 bulk_packet.stream_id = 0; 578 579 if (ep & USB_DIR_IN) { 580 usbredirparser_send_bulk_packet(dev->parser, p->id, 581 &bulk_packet, NULL, 0); 582 } else { 583 uint8_t buf[p->iov.size]; 584 usb_packet_copy(p, buf, p->iov.size); 585 usbredir_log_data(dev, "bulk data out:", buf, p->iov.size); 586 usbredirparser_send_bulk_packet(dev->parser, p->id, 587 &bulk_packet, buf, p->iov.size); 588 } 589 usbredirparser_do_write(dev->parser); 590 return USB_RET_ASYNC; 591 } 592 593 static int usbredir_handle_interrupt_data(USBRedirDevice *dev, 594 USBPacket *p, uint8_t ep) 595 { 596 if (ep & USB_DIR_IN) { 597 /* Input interrupt endpoint, buffered packet input */ 598 struct buf_packet *intp; 599 int status, len; 600 601 if (!dev->endpoint[EP2I(ep)].interrupt_started && 602 !dev->endpoint[EP2I(ep)].interrupt_error) { 603 struct usb_redir_start_interrupt_receiving_header start_int = { 604 .endpoint = ep, 605 }; 606 /* No id, we look at the ep when receiving a status back */ 607 usbredirparser_send_start_interrupt_receiving(dev->parser, 0, 608 &start_int); 609 usbredirparser_do_write(dev->parser); 610 DPRINTF("interrupt recv started ep %02X\n", ep); 611 dev->endpoint[EP2I(ep)].interrupt_started = 1; 612 /* We don't really want to drop interrupt packets ever, but 613 having some upper limit to how much we buffer is good. */ 614 dev->endpoint[EP2I(ep)].bufpq_target_size = 1000; 615 dev->endpoint[EP2I(ep)].bufpq_dropping_packets = 0; 616 } 617 618 intp = QTAILQ_FIRST(&dev->endpoint[EP2I(ep)].bufpq); 619 if (intp == NULL) { 620 DPRINTF2("interrupt-token-in ep %02X, no intp\n", ep); 621 /* Check interrupt_error for stream errors */ 622 status = dev->endpoint[EP2I(ep)].interrupt_error; 623 dev->endpoint[EP2I(ep)].interrupt_error = 0; 624 if (status) { 625 return usbredir_handle_status(dev, status, 0); 626 } 627 return USB_RET_NAK; 628 } 629 DPRINTF("interrupt-token-in ep %02X status %d len %d\n", ep, 630 intp->status, intp->len); 631 632 status = intp->status; 633 if (status != usb_redir_success) { 634 bufp_free(dev, intp, ep); 635 return usbredir_handle_status(dev, status, 0); 636 } 637 638 len = intp->len; 639 if (len > p->iov.size) { 640 ERROR("received int data is larger then packet ep %02X\n", ep); 641 bufp_free(dev, intp, ep); 642 return USB_RET_BABBLE; 643 } 644 usb_packet_copy(p, intp->data, len); 645 bufp_free(dev, intp, ep); 646 return len; 647 } else { 648 /* Output interrupt endpoint, normal async operation */ 649 struct usb_redir_interrupt_packet_header interrupt_packet; 650 uint8_t buf[p->iov.size]; 651 652 DPRINTF("interrupt-out ep %02X len %zd id %"PRIu64"\n", ep, 653 p->iov.size, p->id); 654 655 if (usbredir_already_in_flight(dev, p->id)) { 656 return USB_RET_ASYNC; 657 } 658 659 interrupt_packet.endpoint = ep; 660 interrupt_packet.length = p->iov.size; 661 662 usb_packet_copy(p, buf, p->iov.size); 663 usbredir_log_data(dev, "interrupt data out:", buf, p->iov.size); 664 usbredirparser_send_interrupt_packet(dev->parser, p->id, 665 &interrupt_packet, buf, p->iov.size); 666 usbredirparser_do_write(dev->parser); 667 return USB_RET_ASYNC; 668 } 669 } 670 671 static void usbredir_stop_interrupt_receiving(USBRedirDevice *dev, 672 uint8_t ep) 673 { 674 struct usb_redir_stop_interrupt_receiving_header stop_interrupt_recv = { 675 .endpoint = ep 676 }; 677 if (dev->endpoint[EP2I(ep)].interrupt_started) { 678 usbredirparser_send_stop_interrupt_receiving(dev->parser, 0, 679 &stop_interrupt_recv); 680 DPRINTF("interrupt recv stopped ep %02X\n", ep); 681 dev->endpoint[EP2I(ep)].interrupt_started = 0; 682 } 683 dev->endpoint[EP2I(ep)].interrupt_error = 0; 684 usbredir_free_bufpq(dev, ep); 685 } 686 687 static int usbredir_handle_data(USBDevice *udev, USBPacket *p) 688 { 689 USBRedirDevice *dev = DO_UPCAST(USBRedirDevice, dev, udev); 690 uint8_t ep; 691 692 ep = p->ep->nr; 693 if (p->pid == USB_TOKEN_IN) { 694 ep |= USB_DIR_IN; 695 } 696 697 switch (dev->endpoint[EP2I(ep)].type) { 698 case USB_ENDPOINT_XFER_CONTROL: 699 ERROR("handle_data called for control transfer on ep %02X\n", ep); 700 return USB_RET_NAK; 701 case USB_ENDPOINT_XFER_ISOC: 702 return usbredir_handle_iso_data(dev, p, ep); 703 case USB_ENDPOINT_XFER_BULK: 704 return usbredir_handle_bulk_data(dev, p, ep); 705 case USB_ENDPOINT_XFER_INT: 706 return usbredir_handle_interrupt_data(dev, p, ep); 707 default: 708 ERROR("handle_data ep %02X has unknown type %d\n", ep, 709 dev->endpoint[EP2I(ep)].type); 710 return USB_RET_NAK; 711 } 712 } 713 714 static int usbredir_set_config(USBRedirDevice *dev, USBPacket *p, 715 int config) 716 { 717 struct usb_redir_set_configuration_header set_config; 718 int i; 719 720 DPRINTF("set config %d id %"PRIu64"\n", config, p->id); 721 722 for (i = 0; i < MAX_ENDPOINTS; i++) { 723 switch (dev->endpoint[i].type) { 724 case USB_ENDPOINT_XFER_ISOC: 725 usbredir_stop_iso_stream(dev, I2EP(i)); 726 break; 727 case USB_ENDPOINT_XFER_INT: 728 if (i & 0x10) { 729 usbredir_stop_interrupt_receiving(dev, I2EP(i)); 730 } 731 break; 732 } 733 usbredir_free_bufpq(dev, I2EP(i)); 734 } 735 736 set_config.configuration = config; 737 usbredirparser_send_set_configuration(dev->parser, p->id, &set_config); 738 usbredirparser_do_write(dev->parser); 739 return USB_RET_ASYNC; 740 } 741 742 static int usbredir_get_config(USBRedirDevice *dev, USBPacket *p) 743 { 744 DPRINTF("get config id %"PRIu64"\n", p->id); 745 746 usbredirparser_send_get_configuration(dev->parser, p->id); 747 usbredirparser_do_write(dev->parser); 748 return USB_RET_ASYNC; 749 } 750 751 static int usbredir_set_interface(USBRedirDevice *dev, USBPacket *p, 752 int interface, int alt) 753 { 754 struct usb_redir_set_alt_setting_header set_alt; 755 int i; 756 757 DPRINTF("set interface %d alt %d id %"PRIu64"\n", interface, alt, p->id); 758 759 for (i = 0; i < MAX_ENDPOINTS; i++) { 760 if (dev->endpoint[i].interface == interface) { 761 switch (dev->endpoint[i].type) { 762 case USB_ENDPOINT_XFER_ISOC: 763 usbredir_stop_iso_stream(dev, I2EP(i)); 764 break; 765 case USB_ENDPOINT_XFER_INT: 766 if (i & 0x10) { 767 usbredir_stop_interrupt_receiving(dev, I2EP(i)); 768 } 769 break; 770 } 771 usbredir_free_bufpq(dev, I2EP(i)); 772 } 773 } 774 775 set_alt.interface = interface; 776 set_alt.alt = alt; 777 usbredirparser_send_set_alt_setting(dev->parser, p->id, &set_alt); 778 usbredirparser_do_write(dev->parser); 779 return USB_RET_ASYNC; 780 } 781 782 static int usbredir_get_interface(USBRedirDevice *dev, USBPacket *p, 783 int interface) 784 { 785 struct usb_redir_get_alt_setting_header get_alt; 786 787 DPRINTF("get interface %d id %"PRIu64"\n", interface, p->id); 788 789 get_alt.interface = interface; 790 usbredirparser_send_get_alt_setting(dev->parser, p->id, &get_alt); 791 usbredirparser_do_write(dev->parser); 792 return USB_RET_ASYNC; 793 } 794 795 static int usbredir_handle_control(USBDevice *udev, USBPacket *p, 796 int request, int value, int index, int length, uint8_t *data) 797 { 798 USBRedirDevice *dev = DO_UPCAST(USBRedirDevice, dev, udev); 799 struct usb_redir_control_packet_header control_packet; 800 801 if (usbredir_already_in_flight(dev, p->id)) { 802 return USB_RET_ASYNC; 803 } 804 805 /* Special cases for certain standard device requests */ 806 switch (request) { 807 case DeviceOutRequest | USB_REQ_SET_ADDRESS: 808 DPRINTF("set address %d\n", value); 809 dev->dev.addr = value; 810 return 0; 811 case DeviceOutRequest | USB_REQ_SET_CONFIGURATION: 812 return usbredir_set_config(dev, p, value & 0xff); 813 case DeviceRequest | USB_REQ_GET_CONFIGURATION: 814 return usbredir_get_config(dev, p); 815 case InterfaceOutRequest | USB_REQ_SET_INTERFACE: 816 return usbredir_set_interface(dev, p, index, value); 817 case InterfaceRequest | USB_REQ_GET_INTERFACE: 818 return usbredir_get_interface(dev, p, index); 819 } 820 821 /* Normal ctrl requests, note request is (bRequestType << 8) | bRequest */ 822 DPRINTF( 823 "ctrl-out type 0x%x req 0x%x val 0x%x index %d len %d id %"PRIu64"\n", 824 request >> 8, request & 0xff, value, index, length, p->id); 825 826 control_packet.request = request & 0xFF; 827 control_packet.requesttype = request >> 8; 828 control_packet.endpoint = control_packet.requesttype & USB_DIR_IN; 829 control_packet.value = value; 830 control_packet.index = index; 831 control_packet.length = length; 832 833 if (control_packet.requesttype & USB_DIR_IN) { 834 usbredirparser_send_control_packet(dev->parser, p->id, 835 &control_packet, NULL, 0); 836 } else { 837 usbredir_log_data(dev, "ctrl data out:", data, length); 838 usbredirparser_send_control_packet(dev->parser, p->id, 839 &control_packet, data, length); 840 } 841 usbredirparser_do_write(dev->parser); 842 return USB_RET_ASYNC; 843 } 844 845 /* 846 * Close events can be triggered by usbredirparser_do_write which gets called 847 * from within the USBDevice data / control packet callbacks and doing a 848 * usb_detach from within these callbacks is not a good idea. 849 * 850 * So we use a bh handler to take care of close events. 851 */ 852 static void usbredir_chardev_close_bh(void *opaque) 853 { 854 USBRedirDevice *dev = opaque; 855 856 usbredir_device_disconnect(dev); 857 858 if (dev->parser) { 859 DPRINTF("destroying usbredirparser\n"); 860 usbredirparser_destroy(dev->parser); 861 dev->parser = NULL; 862 } 863 } 864 865 static void usbredir_chardev_open(USBRedirDevice *dev) 866 { 867 uint32_t caps[USB_REDIR_CAPS_SIZE] = { 0, }; 868 int flags = 0; 869 870 /* Make sure any pending closes are handled (no-op if none pending) */ 871 usbredir_chardev_close_bh(dev); 872 qemu_bh_cancel(dev->chardev_close_bh); 873 874 DPRINTF("creating usbredirparser\n"); 875 876 dev->parser = qemu_oom_check(usbredirparser_create()); 877 dev->parser->priv = dev; 878 dev->parser->log_func = usbredir_log; 879 dev->parser->read_func = usbredir_read; 880 dev->parser->write_func = usbredir_write; 881 dev->parser->hello_func = usbredir_hello; 882 dev->parser->device_connect_func = usbredir_device_connect; 883 dev->parser->device_disconnect_func = usbredir_device_disconnect; 884 dev->parser->interface_info_func = usbredir_interface_info; 885 dev->parser->ep_info_func = usbredir_ep_info; 886 dev->parser->configuration_status_func = usbredir_configuration_status; 887 dev->parser->alt_setting_status_func = usbredir_alt_setting_status; 888 dev->parser->iso_stream_status_func = usbredir_iso_stream_status; 889 dev->parser->interrupt_receiving_status_func = 890 usbredir_interrupt_receiving_status; 891 dev->parser->bulk_streams_status_func = usbredir_bulk_streams_status; 892 dev->parser->control_packet_func = usbredir_control_packet; 893 dev->parser->bulk_packet_func = usbredir_bulk_packet; 894 dev->parser->iso_packet_func = usbredir_iso_packet; 895 dev->parser->interrupt_packet_func = usbredir_interrupt_packet; 896 dev->read_buf = NULL; 897 dev->read_buf_size = 0; 898 899 usbredirparser_caps_set_cap(caps, usb_redir_cap_connect_device_version); 900 usbredirparser_caps_set_cap(caps, usb_redir_cap_filter); 901 usbredirparser_caps_set_cap(caps, usb_redir_cap_ep_info_max_packet_size); 902 usbredirparser_caps_set_cap(caps, usb_redir_cap_64bits_ids); 903 904 if (runstate_check(RUN_STATE_INMIGRATE)) { 905 flags |= usbredirparser_fl_no_hello; 906 } 907 usbredirparser_init(dev->parser, VERSION, caps, USB_REDIR_CAPS_SIZE, 908 flags); 909 usbredirparser_do_write(dev->parser); 910 } 911 912 static void usbredir_reject_device(USBRedirDevice *dev) 913 { 914 usbredir_device_disconnect(dev); 915 if (usbredirparser_peer_has_cap(dev->parser, usb_redir_cap_filter)) { 916 usbredirparser_send_filter_reject(dev->parser); 917 usbredirparser_do_write(dev->parser); 918 } 919 } 920 921 static void usbredir_do_attach(void *opaque) 922 { 923 USBRedirDevice *dev = opaque; 924 925 /* In order to work properly with XHCI controllers we need these caps */ 926 if ((dev->dev.port->speedmask & USB_SPEED_MASK_SUPER) && !( 927 usbredirparser_peer_has_cap(dev->parser, 928 usb_redir_cap_ep_info_max_packet_size) && 929 usbredirparser_peer_has_cap(dev->parser, 930 usb_redir_cap_64bits_ids))) { 931 ERROR("usb-redir-host lacks capabilities needed for use with XHCI\n"); 932 usbredir_reject_device(dev); 933 return; 934 } 935 936 if (usb_device_attach(&dev->dev) != 0) { 937 usbredir_reject_device(dev); 938 } 939 } 940 941 /* 942 * chardev callbacks 943 */ 944 945 static int usbredir_chardev_can_read(void *opaque) 946 { 947 USBRedirDevice *dev = opaque; 948 949 if (!dev->parser) { 950 WARNING("chardev_can_read called on non open chardev!\n"); 951 return 0; 952 } 953 954 /* Don't read new data from the chardev until our state is fully synced */ 955 if (!runstate_check(RUN_STATE_RUNNING)) { 956 return 0; 957 } 958 959 /* usbredir_parser_do_read will consume *all* data we give it */ 960 return 1024 * 1024; 961 } 962 963 static void usbredir_chardev_read(void *opaque, const uint8_t *buf, int size) 964 { 965 USBRedirDevice *dev = opaque; 966 967 /* No recursion allowed! */ 968 assert(dev->read_buf == NULL); 969 970 dev->read_buf = buf; 971 dev->read_buf_size = size; 972 973 usbredirparser_do_read(dev->parser); 974 /* Send any acks, etc. which may be queued now */ 975 usbredirparser_do_write(dev->parser); 976 } 977 978 static void usbredir_chardev_event(void *opaque, int event) 979 { 980 USBRedirDevice *dev = opaque; 981 982 switch (event) { 983 case CHR_EVENT_OPENED: 984 DPRINTF("chardev open\n"); 985 usbredir_chardev_open(dev); 986 break; 987 case CHR_EVENT_CLOSED: 988 DPRINTF("chardev close\n"); 989 qemu_bh_schedule(dev->chardev_close_bh); 990 break; 991 } 992 } 993 994 /* 995 * init + destroy 996 */ 997 998 static void usbredir_vm_state_change(void *priv, int running, RunState state) 999 { 1000 USBRedirDevice *dev = priv; 1001 1002 if (state == RUN_STATE_RUNNING && dev->parser != NULL) { 1003 usbredirparser_do_write(dev->parser); /* Flush any pending writes */ 1004 } 1005 } 1006 1007 static int usbredir_initfn(USBDevice *udev) 1008 { 1009 USBRedirDevice *dev = DO_UPCAST(USBRedirDevice, dev, udev); 1010 int i; 1011 1012 if (dev->cs == NULL) { 1013 qerror_report(QERR_MISSING_PARAMETER, "chardev"); 1014 return -1; 1015 } 1016 1017 if (dev->filter_str) { 1018 i = usbredirfilter_string_to_rules(dev->filter_str, ":", "|", 1019 &dev->filter_rules, 1020 &dev->filter_rules_count); 1021 if (i) { 1022 qerror_report(QERR_INVALID_PARAMETER_VALUE, "filter", 1023 "a usb device filter string"); 1024 return -1; 1025 } 1026 } 1027 1028 dev->chardev_close_bh = qemu_bh_new(usbredir_chardev_close_bh, dev); 1029 dev->attach_timer = qemu_new_timer_ms(vm_clock, usbredir_do_attach, dev); 1030 1031 packet_id_queue_init(&dev->cancelled, dev, "cancelled"); 1032 packet_id_queue_init(&dev->already_in_flight, dev, "already-in-flight"); 1033 for (i = 0; i < MAX_ENDPOINTS; i++) { 1034 QTAILQ_INIT(&dev->endpoint[i].bufpq); 1035 } 1036 1037 /* We'll do the attach once we receive the speed from the usb-host */ 1038 udev->auto_attach = 0; 1039 1040 /* Let the backend know we are ready */ 1041 qemu_chr_fe_open(dev->cs); 1042 qemu_chr_add_handlers(dev->cs, usbredir_chardev_can_read, 1043 usbredir_chardev_read, usbredir_chardev_event, dev); 1044 1045 qemu_add_vm_change_state_handler(usbredir_vm_state_change, dev); 1046 add_boot_device_path(dev->bootindex, &udev->qdev, NULL); 1047 return 0; 1048 } 1049 1050 static void usbredir_cleanup_device_queues(USBRedirDevice *dev) 1051 { 1052 int i; 1053 1054 packet_id_queue_empty(&dev->cancelled); 1055 packet_id_queue_empty(&dev->already_in_flight); 1056 for (i = 0; i < MAX_ENDPOINTS; i++) { 1057 usbredir_free_bufpq(dev, I2EP(i)); 1058 } 1059 } 1060 1061 static void usbredir_handle_destroy(USBDevice *udev) 1062 { 1063 USBRedirDevice *dev = DO_UPCAST(USBRedirDevice, dev, udev); 1064 1065 qemu_chr_fe_close(dev->cs); 1066 qemu_chr_delete(dev->cs); 1067 /* Note must be done after qemu_chr_close, as that causes a close event */ 1068 qemu_bh_delete(dev->chardev_close_bh); 1069 1070 qemu_del_timer(dev->attach_timer); 1071 qemu_free_timer(dev->attach_timer); 1072 1073 usbredir_cleanup_device_queues(dev); 1074 1075 if (dev->parser) { 1076 usbredirparser_destroy(dev->parser); 1077 } 1078 1079 free(dev->filter_rules); 1080 } 1081 1082 static int usbredir_check_filter(USBRedirDevice *dev) 1083 { 1084 if (dev->interface_info.interface_count == NO_INTERFACE_INFO) { 1085 ERROR("No interface info for device\n"); 1086 goto error; 1087 } 1088 1089 if (dev->filter_rules) { 1090 if (!usbredirparser_peer_has_cap(dev->parser, 1091 usb_redir_cap_connect_device_version)) { 1092 ERROR("Device filter specified and peer does not have the " 1093 "connect_device_version capability\n"); 1094 goto error; 1095 } 1096 1097 if (usbredirfilter_check( 1098 dev->filter_rules, 1099 dev->filter_rules_count, 1100 dev->device_info.device_class, 1101 dev->device_info.device_subclass, 1102 dev->device_info.device_protocol, 1103 dev->interface_info.interface_class, 1104 dev->interface_info.interface_subclass, 1105 dev->interface_info.interface_protocol, 1106 dev->interface_info.interface_count, 1107 dev->device_info.vendor_id, 1108 dev->device_info.product_id, 1109 dev->device_info.device_version_bcd, 1110 0) != 0) { 1111 goto error; 1112 } 1113 } 1114 1115 return 0; 1116 1117 error: 1118 usbredir_reject_device(dev); 1119 return -1; 1120 } 1121 1122 /* 1123 * usbredirparser packet complete callbacks 1124 */ 1125 1126 static int usbredir_handle_status(USBRedirDevice *dev, 1127 int status, int actual_len) 1128 { 1129 switch (status) { 1130 case usb_redir_success: 1131 return actual_len; 1132 case usb_redir_stall: 1133 return USB_RET_STALL; 1134 case usb_redir_cancelled: 1135 /* 1136 * When the usbredir-host unredirects a device, it will report a status 1137 * of cancelled for all pending packets, followed by a disconnect msg. 1138 */ 1139 return USB_RET_IOERROR; 1140 case usb_redir_inval: 1141 WARNING("got invalid param error from usb-host?\n"); 1142 return USB_RET_IOERROR; 1143 case usb_redir_babble: 1144 return USB_RET_BABBLE; 1145 case usb_redir_ioerror: 1146 case usb_redir_timeout: 1147 default: 1148 return USB_RET_IOERROR; 1149 } 1150 } 1151 1152 static void usbredir_hello(void *priv, struct usb_redir_hello_header *h) 1153 { 1154 USBRedirDevice *dev = priv; 1155 1156 /* Try to send the filter info now that we've the usb-host's caps */ 1157 if (usbredirparser_peer_has_cap(dev->parser, usb_redir_cap_filter) && 1158 dev->filter_rules) { 1159 usbredirparser_send_filter_filter(dev->parser, dev->filter_rules, 1160 dev->filter_rules_count); 1161 usbredirparser_do_write(dev->parser); 1162 } 1163 } 1164 1165 static void usbredir_device_connect(void *priv, 1166 struct usb_redir_device_connect_header *device_connect) 1167 { 1168 USBRedirDevice *dev = priv; 1169 const char *speed; 1170 1171 if (qemu_timer_pending(dev->attach_timer) || dev->dev.attached) { 1172 ERROR("Received device connect while already connected\n"); 1173 return; 1174 } 1175 1176 switch (device_connect->speed) { 1177 case usb_redir_speed_low: 1178 speed = "low speed"; 1179 dev->dev.speed = USB_SPEED_LOW; 1180 break; 1181 case usb_redir_speed_full: 1182 speed = "full speed"; 1183 dev->dev.speed = USB_SPEED_FULL; 1184 break; 1185 case usb_redir_speed_high: 1186 speed = "high speed"; 1187 dev->dev.speed = USB_SPEED_HIGH; 1188 break; 1189 case usb_redir_speed_super: 1190 speed = "super speed"; 1191 dev->dev.speed = USB_SPEED_SUPER; 1192 break; 1193 default: 1194 speed = "unknown speed"; 1195 dev->dev.speed = USB_SPEED_FULL; 1196 } 1197 1198 if (usbredirparser_peer_has_cap(dev->parser, 1199 usb_redir_cap_connect_device_version)) { 1200 INFO("attaching %s device %04x:%04x version %d.%d class %02x\n", 1201 speed, device_connect->vendor_id, device_connect->product_id, 1202 ((device_connect->device_version_bcd & 0xf000) >> 12) * 10 + 1203 ((device_connect->device_version_bcd & 0x0f00) >> 8), 1204 ((device_connect->device_version_bcd & 0x00f0) >> 4) * 10 + 1205 ((device_connect->device_version_bcd & 0x000f) >> 0), 1206 device_connect->device_class); 1207 } else { 1208 INFO("attaching %s device %04x:%04x class %02x\n", speed, 1209 device_connect->vendor_id, device_connect->product_id, 1210 device_connect->device_class); 1211 } 1212 1213 dev->dev.speedmask = (1 << dev->dev.speed); 1214 dev->device_info = *device_connect; 1215 1216 if (usbredir_check_filter(dev)) { 1217 WARNING("Device %04x:%04x rejected by device filter, not attaching\n", 1218 device_connect->vendor_id, device_connect->product_id); 1219 return; 1220 } 1221 1222 qemu_mod_timer(dev->attach_timer, dev->next_attach_time); 1223 } 1224 1225 static void usbredir_device_disconnect(void *priv) 1226 { 1227 USBRedirDevice *dev = priv; 1228 int i; 1229 1230 /* Stop any pending attaches */ 1231 qemu_del_timer(dev->attach_timer); 1232 1233 if (dev->dev.attached) { 1234 DPRINTF("detaching device\n"); 1235 usb_device_detach(&dev->dev); 1236 /* 1237 * Delay next usb device attach to give the guest a chance to see 1238 * see the detach / attach in case of quick close / open succession 1239 */ 1240 dev->next_attach_time = qemu_get_clock_ms(vm_clock) + 200; 1241 } 1242 1243 /* Reset state so that the next dev connected starts with a clean slate */ 1244 usbredir_cleanup_device_queues(dev); 1245 memset(dev->endpoint, 0, sizeof(dev->endpoint)); 1246 for (i = 0; i < MAX_ENDPOINTS; i++) { 1247 QTAILQ_INIT(&dev->endpoint[i].bufpq); 1248 } 1249 usb_ep_init(&dev->dev); 1250 dev->interface_info.interface_count = NO_INTERFACE_INFO; 1251 dev->dev.addr = 0; 1252 dev->dev.speed = 0; 1253 } 1254 1255 static void usbredir_interface_info(void *priv, 1256 struct usb_redir_interface_info_header *interface_info) 1257 { 1258 USBRedirDevice *dev = priv; 1259 1260 dev->interface_info = *interface_info; 1261 1262 /* 1263 * If we receive interface info after the device has already been 1264 * connected (ie on a set_config), re-check the filter. 1265 */ 1266 if (qemu_timer_pending(dev->attach_timer) || dev->dev.attached) { 1267 if (usbredir_check_filter(dev)) { 1268 ERROR("Device no longer matches filter after interface info " 1269 "change, disconnecting!\n"); 1270 } 1271 } 1272 } 1273 1274 static void usbredir_ep_info(void *priv, 1275 struct usb_redir_ep_info_header *ep_info) 1276 { 1277 USBRedirDevice *dev = priv; 1278 struct USBEndpoint *usb_ep; 1279 int i; 1280 1281 for (i = 0; i < MAX_ENDPOINTS; i++) { 1282 dev->endpoint[i].type = ep_info->type[i]; 1283 dev->endpoint[i].interval = ep_info->interval[i]; 1284 dev->endpoint[i].interface = ep_info->interface[i]; 1285 switch (dev->endpoint[i].type) { 1286 case usb_redir_type_invalid: 1287 break; 1288 case usb_redir_type_iso: 1289 case usb_redir_type_interrupt: 1290 if (dev->endpoint[i].interval == 0) { 1291 ERROR("Received 0 interval for isoc or irq endpoint\n"); 1292 usbredir_device_disconnect(dev); 1293 } 1294 /* Fall through */ 1295 case usb_redir_type_control: 1296 case usb_redir_type_bulk: 1297 DPRINTF("ep: %02X type: %d interface: %d\n", I2EP(i), 1298 dev->endpoint[i].type, dev->endpoint[i].interface); 1299 break; 1300 default: 1301 ERROR("Received invalid endpoint type\n"); 1302 usbredir_device_disconnect(dev); 1303 return; 1304 } 1305 usb_ep = usb_ep_get(&dev->dev, 1306 (i & 0x10) ? USB_TOKEN_IN : USB_TOKEN_OUT, 1307 i & 0x0f); 1308 usb_ep->type = dev->endpoint[i].type; 1309 usb_ep->ifnum = dev->endpoint[i].interface; 1310 if (usbredirparser_peer_has_cap(dev->parser, 1311 usb_redir_cap_ep_info_max_packet_size)) { 1312 dev->endpoint[i].max_packet_size = 1313 usb_ep->max_packet_size = ep_info->max_packet_size[i]; 1314 } 1315 if (ep_info->type[i] == usb_redir_type_bulk) { 1316 usb_ep->pipeline = true; 1317 } 1318 } 1319 } 1320 1321 static void usbredir_configuration_status(void *priv, uint64_t id, 1322 struct usb_redir_configuration_status_header *config_status) 1323 { 1324 USBRedirDevice *dev = priv; 1325 USBPacket *p; 1326 int len = 0; 1327 1328 DPRINTF("set config status %d config %d id %"PRIu64"\n", 1329 config_status->status, config_status->configuration, id); 1330 1331 p = usbredir_find_packet_by_id(dev, 0, id); 1332 if (p) { 1333 if (dev->dev.setup_buf[0] & USB_DIR_IN) { 1334 dev->dev.data_buf[0] = config_status->configuration; 1335 len = 1; 1336 } 1337 p->result = usbredir_handle_status(dev, config_status->status, len); 1338 usb_generic_async_ctrl_complete(&dev->dev, p); 1339 } 1340 } 1341 1342 static void usbredir_alt_setting_status(void *priv, uint64_t id, 1343 struct usb_redir_alt_setting_status_header *alt_setting_status) 1344 { 1345 USBRedirDevice *dev = priv; 1346 USBPacket *p; 1347 int len = 0; 1348 1349 DPRINTF("alt status %d intf %d alt %d id: %"PRIu64"\n", 1350 alt_setting_status->status, alt_setting_status->interface, 1351 alt_setting_status->alt, id); 1352 1353 p = usbredir_find_packet_by_id(dev, 0, id); 1354 if (p) { 1355 if (dev->dev.setup_buf[0] & USB_DIR_IN) { 1356 dev->dev.data_buf[0] = alt_setting_status->alt; 1357 len = 1; 1358 } 1359 p->result = 1360 usbredir_handle_status(dev, alt_setting_status->status, len); 1361 usb_generic_async_ctrl_complete(&dev->dev, p); 1362 } 1363 } 1364 1365 static void usbredir_iso_stream_status(void *priv, uint64_t id, 1366 struct usb_redir_iso_stream_status_header *iso_stream_status) 1367 { 1368 USBRedirDevice *dev = priv; 1369 uint8_t ep = iso_stream_status->endpoint; 1370 1371 DPRINTF("iso status %d ep %02X id %"PRIu64"\n", iso_stream_status->status, 1372 ep, id); 1373 1374 if (!dev->dev.attached || !dev->endpoint[EP2I(ep)].iso_started) { 1375 return; 1376 } 1377 1378 dev->endpoint[EP2I(ep)].iso_error = iso_stream_status->status; 1379 if (iso_stream_status->status == usb_redir_stall) { 1380 DPRINTF("iso stream stopped by peer ep %02X\n", ep); 1381 dev->endpoint[EP2I(ep)].iso_started = 0; 1382 } 1383 } 1384 1385 static void usbredir_interrupt_receiving_status(void *priv, uint64_t id, 1386 struct usb_redir_interrupt_receiving_status_header 1387 *interrupt_receiving_status) 1388 { 1389 USBRedirDevice *dev = priv; 1390 uint8_t ep = interrupt_receiving_status->endpoint; 1391 1392 DPRINTF("interrupt recv status %d ep %02X id %"PRIu64"\n", 1393 interrupt_receiving_status->status, ep, id); 1394 1395 if (!dev->dev.attached || !dev->endpoint[EP2I(ep)].interrupt_started) { 1396 return; 1397 } 1398 1399 dev->endpoint[EP2I(ep)].interrupt_error = 1400 interrupt_receiving_status->status; 1401 if (interrupt_receiving_status->status == usb_redir_stall) { 1402 DPRINTF("interrupt receiving stopped by peer ep %02X\n", ep); 1403 dev->endpoint[EP2I(ep)].interrupt_started = 0; 1404 } 1405 } 1406 1407 static void usbredir_bulk_streams_status(void *priv, uint64_t id, 1408 struct usb_redir_bulk_streams_status_header *bulk_streams_status) 1409 { 1410 } 1411 1412 static void usbredir_control_packet(void *priv, uint64_t id, 1413 struct usb_redir_control_packet_header *control_packet, 1414 uint8_t *data, int data_len) 1415 { 1416 USBRedirDevice *dev = priv; 1417 USBPacket *p; 1418 int len = control_packet->length; 1419 1420 DPRINTF("ctrl-in status %d len %d id %"PRIu64"\n", control_packet->status, 1421 len, id); 1422 1423 p = usbredir_find_packet_by_id(dev, 0, id); 1424 if (p) { 1425 len = usbredir_handle_status(dev, control_packet->status, len); 1426 if (len > 0) { 1427 usbredir_log_data(dev, "ctrl data in:", data, data_len); 1428 if (data_len <= sizeof(dev->dev.data_buf)) { 1429 memcpy(dev->dev.data_buf, data, data_len); 1430 } else { 1431 ERROR("ctrl buffer too small (%d > %zu)\n", 1432 data_len, sizeof(dev->dev.data_buf)); 1433 len = USB_RET_STALL; 1434 } 1435 } 1436 p->result = len; 1437 usb_generic_async_ctrl_complete(&dev->dev, p); 1438 } 1439 free(data); 1440 } 1441 1442 static void usbredir_bulk_packet(void *priv, uint64_t id, 1443 struct usb_redir_bulk_packet_header *bulk_packet, 1444 uint8_t *data, int data_len) 1445 { 1446 USBRedirDevice *dev = priv; 1447 uint8_t ep = bulk_packet->endpoint; 1448 int len = bulk_packet->length; 1449 USBPacket *p; 1450 1451 DPRINTF("bulk-in status %d ep %02X len %d id %"PRIu64"\n", 1452 bulk_packet->status, ep, len, id); 1453 1454 p = usbredir_find_packet_by_id(dev, ep, id); 1455 if (p) { 1456 len = usbredir_handle_status(dev, bulk_packet->status, len); 1457 if (len > 0) { 1458 usbredir_log_data(dev, "bulk data in:", data, data_len); 1459 if (data_len <= p->iov.size) { 1460 usb_packet_copy(p, data, data_len); 1461 } else { 1462 ERROR("bulk got more data then requested (%d > %zd)\n", 1463 data_len, p->iov.size); 1464 len = USB_RET_BABBLE; 1465 } 1466 } 1467 p->result = len; 1468 usb_packet_complete(&dev->dev, p); 1469 } 1470 free(data); 1471 } 1472 1473 static void usbredir_iso_packet(void *priv, uint64_t id, 1474 struct usb_redir_iso_packet_header *iso_packet, 1475 uint8_t *data, int data_len) 1476 { 1477 USBRedirDevice *dev = priv; 1478 uint8_t ep = iso_packet->endpoint; 1479 1480 DPRINTF2("iso-in status %d ep %02X len %d id %"PRIu64"\n", 1481 iso_packet->status, ep, data_len, id); 1482 1483 if (dev->endpoint[EP2I(ep)].type != USB_ENDPOINT_XFER_ISOC) { 1484 ERROR("received iso packet for non iso endpoint %02X\n", ep); 1485 free(data); 1486 return; 1487 } 1488 1489 if (dev->endpoint[EP2I(ep)].iso_started == 0) { 1490 DPRINTF("received iso packet for non started stream ep %02X\n", ep); 1491 free(data); 1492 return; 1493 } 1494 1495 /* bufp_alloc also adds the packet to the ep queue */ 1496 bufp_alloc(dev, data, data_len, iso_packet->status, ep); 1497 } 1498 1499 static void usbredir_interrupt_packet(void *priv, uint64_t id, 1500 struct usb_redir_interrupt_packet_header *interrupt_packet, 1501 uint8_t *data, int data_len) 1502 { 1503 USBRedirDevice *dev = priv; 1504 uint8_t ep = interrupt_packet->endpoint; 1505 1506 DPRINTF("interrupt-in status %d ep %02X len %d id %"PRIu64"\n", 1507 interrupt_packet->status, ep, data_len, id); 1508 1509 if (dev->endpoint[EP2I(ep)].type != USB_ENDPOINT_XFER_INT) { 1510 ERROR("received int packet for non interrupt endpoint %02X\n", ep); 1511 free(data); 1512 return; 1513 } 1514 1515 if (ep & USB_DIR_IN) { 1516 if (dev->endpoint[EP2I(ep)].interrupt_started == 0) { 1517 DPRINTF("received int packet while not started ep %02X\n", ep); 1518 free(data); 1519 return; 1520 } 1521 1522 /* bufp_alloc also adds the packet to the ep queue */ 1523 bufp_alloc(dev, data, data_len, interrupt_packet->status, ep); 1524 } else { 1525 int len = interrupt_packet->length; 1526 1527 USBPacket *p = usbredir_find_packet_by_id(dev, ep, id); 1528 if (p) { 1529 p->result = usbredir_handle_status(dev, 1530 interrupt_packet->status, len); 1531 usb_packet_complete(&dev->dev, p); 1532 } 1533 } 1534 } 1535 1536 /* 1537 * Migration code 1538 */ 1539 1540 static void usbredir_pre_save(void *priv) 1541 { 1542 USBRedirDevice *dev = priv; 1543 1544 usbredir_fill_already_in_flight(dev); 1545 } 1546 1547 static int usbredir_post_load(void *priv, int version_id) 1548 { 1549 USBRedirDevice *dev = priv; 1550 struct USBEndpoint *usb_ep; 1551 int i; 1552 1553 switch (dev->device_info.speed) { 1554 case usb_redir_speed_low: 1555 dev->dev.speed = USB_SPEED_LOW; 1556 break; 1557 case usb_redir_speed_full: 1558 dev->dev.speed = USB_SPEED_FULL; 1559 break; 1560 case usb_redir_speed_high: 1561 dev->dev.speed = USB_SPEED_HIGH; 1562 break; 1563 case usb_redir_speed_super: 1564 dev->dev.speed = USB_SPEED_SUPER; 1565 break; 1566 default: 1567 dev->dev.speed = USB_SPEED_FULL; 1568 } 1569 dev->dev.speedmask = (1 << dev->dev.speed); 1570 1571 for (i = 0; i < MAX_ENDPOINTS; i++) { 1572 usb_ep = usb_ep_get(&dev->dev, 1573 (i & 0x10) ? USB_TOKEN_IN : USB_TOKEN_OUT, 1574 i & 0x0f); 1575 usb_ep->type = dev->endpoint[i].type; 1576 usb_ep->ifnum = dev->endpoint[i].interface; 1577 usb_ep->max_packet_size = dev->endpoint[i].max_packet_size; 1578 if (dev->endpoint[i].type == usb_redir_type_bulk) { 1579 usb_ep->pipeline = true; 1580 } 1581 } 1582 return 0; 1583 } 1584 1585 /* For usbredirparser migration */ 1586 static void usbredir_put_parser(QEMUFile *f, void *priv, size_t unused) 1587 { 1588 USBRedirDevice *dev = priv; 1589 uint8_t *data; 1590 int len; 1591 1592 if (dev->parser == NULL) { 1593 qemu_put_be32(f, 0); 1594 return; 1595 } 1596 1597 usbredirparser_serialize(dev->parser, &data, &len); 1598 qemu_oom_check(data); 1599 1600 qemu_put_be32(f, len); 1601 qemu_put_buffer(f, data, len); 1602 1603 free(data); 1604 } 1605 1606 static int usbredir_get_parser(QEMUFile *f, void *priv, size_t unused) 1607 { 1608 USBRedirDevice *dev = priv; 1609 uint8_t *data; 1610 int len, ret; 1611 1612 len = qemu_get_be32(f); 1613 if (len == 0) { 1614 return 0; 1615 } 1616 1617 /* 1618 * Our chardev should be open already at this point, otherwise 1619 * the usbredir channel will be broken (ie spice without seamless) 1620 */ 1621 if (dev->parser == NULL) { 1622 ERROR("get_parser called with closed chardev, failing migration\n"); 1623 return -1; 1624 } 1625 1626 data = g_malloc(len); 1627 qemu_get_buffer(f, data, len); 1628 1629 ret = usbredirparser_unserialize(dev->parser, data, len); 1630 1631 g_free(data); 1632 1633 return ret; 1634 } 1635 1636 static const VMStateInfo usbredir_parser_vmstate_info = { 1637 .name = "usb-redir-parser", 1638 .put = usbredir_put_parser, 1639 .get = usbredir_get_parser, 1640 }; 1641 1642 1643 /* For buffered packets (iso/irq) queue migration */ 1644 static void usbredir_put_bufpq(QEMUFile *f, void *priv, size_t unused) 1645 { 1646 struct endp_data *endp = priv; 1647 struct buf_packet *bufp; 1648 int remain = endp->bufpq_size; 1649 1650 qemu_put_be32(f, endp->bufpq_size); 1651 QTAILQ_FOREACH(bufp, &endp->bufpq, next) { 1652 qemu_put_be32(f, bufp->len); 1653 qemu_put_be32(f, bufp->status); 1654 qemu_put_buffer(f, bufp->data, bufp->len); 1655 remain--; 1656 } 1657 assert(remain == 0); 1658 } 1659 1660 static int usbredir_get_bufpq(QEMUFile *f, void *priv, size_t unused) 1661 { 1662 struct endp_data *endp = priv; 1663 struct buf_packet *bufp; 1664 int i; 1665 1666 endp->bufpq_size = qemu_get_be32(f); 1667 for (i = 0; i < endp->bufpq_size; i++) { 1668 bufp = g_malloc(sizeof(struct buf_packet)); 1669 bufp->len = qemu_get_be32(f); 1670 bufp->status = qemu_get_be32(f); 1671 bufp->data = qemu_oom_check(malloc(bufp->len)); /* regular malloc! */ 1672 qemu_get_buffer(f, bufp->data, bufp->len); 1673 QTAILQ_INSERT_TAIL(&endp->bufpq, bufp, next); 1674 } 1675 return 0; 1676 } 1677 1678 static const VMStateInfo usbredir_ep_bufpq_vmstate_info = { 1679 .name = "usb-redir-bufpq", 1680 .put = usbredir_put_bufpq, 1681 .get = usbredir_get_bufpq, 1682 }; 1683 1684 1685 /* For endp_data migration */ 1686 static const VMStateDescription usbredir_ep_vmstate = { 1687 .name = "usb-redir-ep", 1688 .version_id = 1, 1689 .minimum_version_id = 1, 1690 .fields = (VMStateField[]) { 1691 VMSTATE_UINT8(type, struct endp_data), 1692 VMSTATE_UINT8(interval, struct endp_data), 1693 VMSTATE_UINT8(interface, struct endp_data), 1694 VMSTATE_UINT16(max_packet_size, struct endp_data), 1695 VMSTATE_UINT8(iso_started, struct endp_data), 1696 VMSTATE_UINT8(iso_error, struct endp_data), 1697 VMSTATE_UINT8(interrupt_started, struct endp_data), 1698 VMSTATE_UINT8(interrupt_error, struct endp_data), 1699 VMSTATE_UINT8(bufpq_prefilled, struct endp_data), 1700 VMSTATE_UINT8(bufpq_dropping_packets, struct endp_data), 1701 { 1702 .name = "bufpq", 1703 .version_id = 0, 1704 .field_exists = NULL, 1705 .size = 0, 1706 .info = &usbredir_ep_bufpq_vmstate_info, 1707 .flags = VMS_SINGLE, 1708 .offset = 0, 1709 }, 1710 VMSTATE_INT32(bufpq_target_size, struct endp_data), 1711 VMSTATE_END_OF_LIST() 1712 } 1713 }; 1714 1715 1716 /* For PacketIdQueue migration */ 1717 static void usbredir_put_packet_id_q(QEMUFile *f, void *priv, size_t unused) 1718 { 1719 struct PacketIdQueue *q = priv; 1720 USBRedirDevice *dev = q->dev; 1721 struct PacketIdQueueEntry *e; 1722 int remain = q->size; 1723 1724 DPRINTF("put_packet_id_q %s size %d\n", q->name, q->size); 1725 qemu_put_be32(f, q->size); 1726 QTAILQ_FOREACH(e, &q->head, next) { 1727 qemu_put_be64(f, e->id); 1728 remain--; 1729 } 1730 assert(remain == 0); 1731 } 1732 1733 static int usbredir_get_packet_id_q(QEMUFile *f, void *priv, size_t unused) 1734 { 1735 struct PacketIdQueue *q = priv; 1736 USBRedirDevice *dev = q->dev; 1737 int i, size; 1738 uint64_t id; 1739 1740 size = qemu_get_be32(f); 1741 DPRINTF("get_packet_id_q %s size %d\n", q->name, size); 1742 for (i = 0; i < size; i++) { 1743 id = qemu_get_be64(f); 1744 packet_id_queue_add(q, id); 1745 } 1746 assert(q->size == size); 1747 return 0; 1748 } 1749 1750 static const VMStateInfo usbredir_ep_packet_id_q_vmstate_info = { 1751 .name = "usb-redir-packet-id-q", 1752 .put = usbredir_put_packet_id_q, 1753 .get = usbredir_get_packet_id_q, 1754 }; 1755 1756 static const VMStateDescription usbredir_ep_packet_id_queue_vmstate = { 1757 .name = "usb-redir-packet-id-queue", 1758 .version_id = 1, 1759 .minimum_version_id = 1, 1760 .fields = (VMStateField[]) { 1761 { 1762 .name = "queue", 1763 .version_id = 0, 1764 .field_exists = NULL, 1765 .size = 0, 1766 .info = &usbredir_ep_packet_id_q_vmstate_info, 1767 .flags = VMS_SINGLE, 1768 .offset = 0, 1769 }, 1770 VMSTATE_END_OF_LIST() 1771 } 1772 }; 1773 1774 1775 /* For usb_redir_device_connect_header migration */ 1776 static const VMStateDescription usbredir_device_info_vmstate = { 1777 .name = "usb-redir-device-info", 1778 .version_id = 1, 1779 .minimum_version_id = 1, 1780 .fields = (VMStateField[]) { 1781 VMSTATE_UINT8(speed, struct usb_redir_device_connect_header), 1782 VMSTATE_UINT8(device_class, struct usb_redir_device_connect_header), 1783 VMSTATE_UINT8(device_subclass, struct usb_redir_device_connect_header), 1784 VMSTATE_UINT8(device_protocol, struct usb_redir_device_connect_header), 1785 VMSTATE_UINT16(vendor_id, struct usb_redir_device_connect_header), 1786 VMSTATE_UINT16(product_id, struct usb_redir_device_connect_header), 1787 VMSTATE_UINT16(device_version_bcd, 1788 struct usb_redir_device_connect_header), 1789 VMSTATE_END_OF_LIST() 1790 } 1791 }; 1792 1793 1794 /* For usb_redir_interface_info_header migration */ 1795 static const VMStateDescription usbredir_interface_info_vmstate = { 1796 .name = "usb-redir-interface-info", 1797 .version_id = 1, 1798 .minimum_version_id = 1, 1799 .fields = (VMStateField[]) { 1800 VMSTATE_UINT32(interface_count, 1801 struct usb_redir_interface_info_header), 1802 VMSTATE_UINT8_ARRAY(interface, 1803 struct usb_redir_interface_info_header, 32), 1804 VMSTATE_UINT8_ARRAY(interface_class, 1805 struct usb_redir_interface_info_header, 32), 1806 VMSTATE_UINT8_ARRAY(interface_subclass, 1807 struct usb_redir_interface_info_header, 32), 1808 VMSTATE_UINT8_ARRAY(interface_protocol, 1809 struct usb_redir_interface_info_header, 32), 1810 VMSTATE_END_OF_LIST() 1811 } 1812 }; 1813 1814 1815 /* And finally the USBRedirDevice vmstate itself */ 1816 static const VMStateDescription usbredir_vmstate = { 1817 .name = "usb-redir", 1818 .version_id = 1, 1819 .minimum_version_id = 1, 1820 .pre_save = usbredir_pre_save, 1821 .post_load = usbredir_post_load, 1822 .fields = (VMStateField[]) { 1823 VMSTATE_USB_DEVICE(dev, USBRedirDevice), 1824 VMSTATE_TIMER(attach_timer, USBRedirDevice), 1825 { 1826 .name = "parser", 1827 .version_id = 0, 1828 .field_exists = NULL, 1829 .size = 0, 1830 .info = &usbredir_parser_vmstate_info, 1831 .flags = VMS_SINGLE, 1832 .offset = 0, 1833 }, 1834 VMSTATE_STRUCT_ARRAY(endpoint, USBRedirDevice, MAX_ENDPOINTS, 1, 1835 usbredir_ep_vmstate, struct endp_data), 1836 VMSTATE_STRUCT(cancelled, USBRedirDevice, 1, 1837 usbredir_ep_packet_id_queue_vmstate, 1838 struct PacketIdQueue), 1839 VMSTATE_STRUCT(already_in_flight, USBRedirDevice, 1, 1840 usbredir_ep_packet_id_queue_vmstate, 1841 struct PacketIdQueue), 1842 VMSTATE_STRUCT(device_info, USBRedirDevice, 1, 1843 usbredir_device_info_vmstate, 1844 struct usb_redir_device_connect_header), 1845 VMSTATE_STRUCT(interface_info, USBRedirDevice, 1, 1846 usbredir_interface_info_vmstate, 1847 struct usb_redir_interface_info_header), 1848 VMSTATE_END_OF_LIST() 1849 } 1850 }; 1851 1852 static Property usbredir_properties[] = { 1853 DEFINE_PROP_CHR("chardev", USBRedirDevice, cs), 1854 DEFINE_PROP_UINT8("debug", USBRedirDevice, debug, 0), 1855 DEFINE_PROP_STRING("filter", USBRedirDevice, filter_str), 1856 DEFINE_PROP_INT32("bootindex", USBRedirDevice, bootindex, -1), 1857 DEFINE_PROP_END_OF_LIST(), 1858 }; 1859 1860 static void usbredir_class_initfn(ObjectClass *klass, void *data) 1861 { 1862 USBDeviceClass *uc = USB_DEVICE_CLASS(klass); 1863 DeviceClass *dc = DEVICE_CLASS(klass); 1864 1865 uc->init = usbredir_initfn; 1866 uc->product_desc = "USB Redirection Device"; 1867 uc->handle_destroy = usbredir_handle_destroy; 1868 uc->cancel_packet = usbredir_cancel_packet; 1869 uc->handle_reset = usbredir_handle_reset; 1870 uc->handle_data = usbredir_handle_data; 1871 uc->handle_control = usbredir_handle_control; 1872 dc->vmsd = &usbredir_vmstate; 1873 dc->props = usbredir_properties; 1874 } 1875 1876 static TypeInfo usbredir_dev_info = { 1877 .name = "usb-redir", 1878 .parent = TYPE_USB_DEVICE, 1879 .instance_size = sizeof(USBRedirDevice), 1880 .class_init = usbredir_class_initfn, 1881 }; 1882 1883 static void usbredir_register_types(void) 1884 { 1885 type_register_static(&usbredir_dev_info); 1886 } 1887 1888 type_init(usbredir_register_types) 1889