libusb10.c revision 250342
1194676Sthompsa/* $FreeBSD: head/lib/libusb/libusb10.c 250342 2013-05-08 00:55:29Z emaste $ */ 2194676Sthompsa/*- 3194676Sthompsa * Copyright (c) 2009 Sylvestre Gallon. All rights reserved. 4195957Salfred * Copyright (c) 2009 Hans Petter Selasky. All rights reserved. 5194676Sthompsa * 6194676Sthompsa * Redistribution and use in source and binary forms, with or without 7194676Sthompsa * modification, are permitted provided that the following conditions 8194676Sthompsa * are met: 9194676Sthompsa * 1. Redistributions of source code must retain the above copyright 10194676Sthompsa * notice, this list of conditions and the following disclaimer. 11194676Sthompsa * 2. Redistributions in binary form must reproduce the above copyright 12194676Sthompsa * notice, this list of conditions and the following disclaimer in the 13194676Sthompsa * documentation and/or other materials provided with the distribution. 14194676Sthompsa * 15194676Sthompsa * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16194676Sthompsa * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17194676Sthompsa * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18194676Sthompsa * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19194676Sthompsa * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20194676Sthompsa * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21194676Sthompsa * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22194676Sthompsa * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23194676Sthompsa * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24194676Sthompsa * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25194676Sthompsa * SUCH DAMAGE. 26194676Sthompsa */ 27194676Sthompsa 28248236Shselasky#ifdef LIBUSB_GLOBAL_INCLUDE_FILE 29248236Shselasky#include LIBUSB_GLOBAL_INCLUDE_FILE 30248236Shselasky#else 31203774Swkoszek#include <assert.h> 32203815Swkoszek#include <errno.h> 33203815Swkoszek#include <poll.h> 34203815Swkoszek#include <pthread.h> 35203815Swkoszek#include <stdio.h> 36194676Sthompsa#include <stdlib.h> 37248236Shselasky#include <string.h> 38194676Sthompsa#include <unistd.h> 39248236Shselasky#include <time.h> 40248236Shselasky#include <sys/fcntl.h> 41248236Shselasky#include <sys/ioctl.h> 42248236Shselasky#include <sys/queue.h> 43248236Shselasky#include <sys/endian.h> 44248236Shselasky#endif 45194676Sthompsa 46208020Sthompsa#define libusb_device_handle libusb20_device 47208020Sthompsa 48194676Sthompsa#include "libusb20.h" 49194676Sthompsa#include "libusb20_desc.h" 50194676Sthompsa#include "libusb20_int.h" 51194676Sthompsa#include "libusb.h" 52194676Sthompsa#include "libusb10.h" 53194676Sthompsa 54194676Sthompsastatic pthread_mutex_t default_context_lock = PTHREAD_MUTEX_INITIALIZER; 55194676Sthompsastruct libusb_context *usbi_default_context = NULL; 56194676Sthompsa 57195957Salfred/* Prototypes */ 58195957Salfred 59195957Salfredstatic struct libusb20_transfer *libusb10_get_transfer(struct libusb20_device *, uint8_t, uint8_t); 60195957Salfredstatic int libusb10_get_buffsize(struct libusb20_device *, libusb_transfer *); 61195957Salfredstatic int libusb10_convert_error(uint8_t status); 62195957Salfredstatic void libusb10_complete_transfer(struct libusb20_transfer *, struct libusb_super_transfer *, int); 63195957Salfredstatic void libusb10_isoc_proxy(struct libusb20_transfer *); 64195957Salfredstatic void libusb10_bulk_intr_proxy(struct libusb20_transfer *); 65195957Salfredstatic void libusb10_ctrl_proxy(struct libusb20_transfer *); 66195957Salfredstatic void libusb10_submit_transfer_sub(struct libusb20_device *, uint8_t); 67195957Salfred 68194676Sthompsa/* Library initialisation / deinitialisation */ 69194676Sthompsa 70194676Sthompsavoid 71195957Salfredlibusb_set_debug(libusb_context *ctx, int level) 72194676Sthompsa{ 73195957Salfred ctx = GET_CONTEXT(ctx); 74194676Sthompsa if (ctx) 75194676Sthompsa ctx->debug = level; 76194676Sthompsa} 77194676Sthompsa 78213853Shselaskystatic void 79213853Shselaskylibusb_set_nonblocking(int f) 80213853Shselasky{ 81213853Shselasky int flags; 82213853Shselasky 83213853Shselasky /* 84213853Shselasky * We ignore any failures in this function, hence the 85213853Shselasky * non-blocking flag is not critical to the operation of 86213853Shselasky * libUSB. We use F_GETFL and F_SETFL to be compatible with 87213853Shselasky * Linux. 88213853Shselasky */ 89213853Shselasky 90213853Shselasky flags = fcntl(f, F_GETFL, NULL); 91213853Shselasky if (flags == -1) 92213853Shselasky return; 93213853Shselasky flags |= O_NONBLOCK; 94213853Shselasky fcntl(f, F_SETFL, flags); 95213853Shselasky} 96213853Shselasky 97194676Sthompsaint 98195957Salfredlibusb_init(libusb_context **context) 99194676Sthompsa{ 100194676Sthompsa struct libusb_context *ctx; 101236944Shselasky pthread_condattr_t attr; 102195957Salfred char *debug; 103194676Sthompsa int ret; 104194676Sthompsa 105194676Sthompsa ctx = malloc(sizeof(*ctx)); 106194676Sthompsa if (!ctx) 107194676Sthompsa return (LIBUSB_ERROR_INVALID_PARAM); 108194676Sthompsa 109194676Sthompsa memset(ctx, 0, sizeof(*ctx)); 110194676Sthompsa 111194676Sthompsa debug = getenv("LIBUSB_DEBUG"); 112194676Sthompsa if (debug != NULL) { 113194676Sthompsa ctx->debug = atoi(debug); 114194676Sthompsa if (ctx->debug != 0) 115194676Sthompsa ctx->debug_fixed = 1; 116194676Sthompsa } 117195957Salfred TAILQ_INIT(&ctx->pollfds); 118195957Salfred TAILQ_INIT(&ctx->tr_done); 119194676Sthompsa 120236944Shselasky if (pthread_mutex_init(&ctx->ctx_lock, NULL) != 0) { 121236944Shselasky free(ctx); 122236944Shselasky return (LIBUSB_ERROR_NO_MEM); 123236944Shselasky } 124236944Shselasky if (pthread_condattr_init(&attr) != 0) { 125236944Shselasky pthread_mutex_destroy(&ctx->ctx_lock); 126236944Shselasky free(ctx); 127236944Shselasky return (LIBUSB_ERROR_NO_MEM); 128236944Shselasky } 129236944Shselasky if (pthread_condattr_setclock(&attr, CLOCK_MONOTONIC) != 0) { 130236944Shselasky pthread_mutex_destroy(&ctx->ctx_lock); 131236944Shselasky pthread_condattr_destroy(&attr); 132236944Shselasky free(ctx); 133236944Shselasky return (LIBUSB_ERROR_OTHER); 134236944Shselasky } 135236944Shselasky if (pthread_cond_init(&ctx->ctx_cond, &attr) != 0) { 136236944Shselasky pthread_mutex_destroy(&ctx->ctx_lock); 137236944Shselasky pthread_condattr_destroy(&attr); 138236944Shselasky free(ctx); 139236944Shselasky return (LIBUSB_ERROR_NO_MEM); 140236944Shselasky } 141236944Shselasky pthread_condattr_destroy(&attr); 142194676Sthompsa 143195957Salfred ctx->ctx_handler = NO_THREAD; 144194676Sthompsa 145194676Sthompsa ret = pipe(ctx->ctrl_pipe); 146194676Sthompsa if (ret < 0) { 147195957Salfred pthread_mutex_destroy(&ctx->ctx_lock); 148195957Salfred pthread_cond_destroy(&ctx->ctx_cond); 149194676Sthompsa free(ctx); 150194676Sthompsa return (LIBUSB_ERROR_OTHER); 151194676Sthompsa } 152195957Salfred /* set non-blocking mode on the control pipe to avoid deadlock */ 153213853Shselasky libusb_set_nonblocking(ctx->ctrl_pipe[0]); 154213853Shselasky libusb_set_nonblocking(ctx->ctrl_pipe[1]); 155194676Sthompsa 156195957Salfred libusb10_add_pollfd(ctx, &ctx->ctx_poll, NULL, ctx->ctrl_pipe[0], POLLIN); 157194676Sthompsa 158194676Sthompsa pthread_mutex_lock(&default_context_lock); 159194676Sthompsa if (usbi_default_context == NULL) { 160194676Sthompsa usbi_default_context = ctx; 161194676Sthompsa } 162194676Sthompsa pthread_mutex_unlock(&default_context_lock); 163194676Sthompsa 164194676Sthompsa if (context) 165194676Sthompsa *context = ctx; 166194676Sthompsa 167195957Salfred DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_init complete"); 168195957Salfred 169194676Sthompsa return (0); 170194676Sthompsa} 171194676Sthompsa 172194676Sthompsavoid 173195957Salfredlibusb_exit(libusb_context *ctx) 174194676Sthompsa{ 175195957Salfred ctx = GET_CONTEXT(ctx); 176194676Sthompsa 177195957Salfred if (ctx == NULL) 178195957Salfred return; 179195957Salfred 180195957Salfred /* XXX cleanup devices */ 181195957Salfred 182195957Salfred libusb10_remove_pollfd(ctx, &ctx->ctx_poll); 183194676Sthompsa close(ctx->ctrl_pipe[0]); 184194676Sthompsa close(ctx->ctrl_pipe[1]); 185195957Salfred pthread_mutex_destroy(&ctx->ctx_lock); 186195957Salfred pthread_cond_destroy(&ctx->ctx_cond); 187194676Sthompsa 188194676Sthompsa pthread_mutex_lock(&default_context_lock); 189194676Sthompsa if (ctx == usbi_default_context) { 190194676Sthompsa usbi_default_context = NULL; 191194676Sthompsa } 192194676Sthompsa pthread_mutex_unlock(&default_context_lock); 193194676Sthompsa 194194676Sthompsa free(ctx); 195194676Sthompsa} 196194676Sthompsa 197194676Sthompsa/* Device handling and initialisation. */ 198194676Sthompsa 199194676Sthompsassize_t 200195957Salfredlibusb_get_device_list(libusb_context *ctx, libusb_device ***list) 201194676Sthompsa{ 202195957Salfred struct libusb20_backend *usb_backend; 203194676Sthompsa struct libusb20_device *pdev; 204194676Sthompsa struct libusb_device *dev; 205194676Sthompsa int i; 206194676Sthompsa 207195957Salfred ctx = GET_CONTEXT(ctx); 208194676Sthompsa 209195957Salfred if (ctx == NULL) 210195957Salfred return (LIBUSB_ERROR_INVALID_PARAM); 211195957Salfred 212195957Salfred if (list == NULL) 213195957Salfred return (LIBUSB_ERROR_INVALID_PARAM); 214195957Salfred 215194676Sthompsa usb_backend = libusb20_be_alloc_default(); 216194676Sthompsa if (usb_backend == NULL) 217195957Salfred return (LIBUSB_ERROR_NO_MEM); 218194676Sthompsa 219195957Salfred /* figure out how many USB devices are present */ 220194676Sthompsa pdev = NULL; 221194676Sthompsa i = 0; 222194676Sthompsa while ((pdev = libusb20_be_device_foreach(usb_backend, pdev))) 223194676Sthompsa i++; 224194676Sthompsa 225195957Salfred /* allocate device pointer list */ 226194676Sthompsa *list = malloc((i + 1) * sizeof(void *)); 227194676Sthompsa if (*list == NULL) { 228194676Sthompsa libusb20_be_free(usb_backend); 229194676Sthompsa return (LIBUSB_ERROR_NO_MEM); 230194676Sthompsa } 231195957Salfred /* create libusb v1.0 compliant devices */ 232194676Sthompsa i = 0; 233194676Sthompsa while ((pdev = libusb20_be_device_foreach(usb_backend, NULL))) { 234194676Sthompsa 235194676Sthompsa dev = malloc(sizeof(*dev)); 236194676Sthompsa if (dev == NULL) { 237195560Sthompsa while (i != 0) { 238195560Sthompsa libusb_unref_device((*list)[i - 1]); 239195560Sthompsa i--; 240195560Sthompsa } 241194676Sthompsa free(*list); 242195957Salfred *list = NULL; 243194676Sthompsa libusb20_be_free(usb_backend); 244194676Sthompsa return (LIBUSB_ERROR_NO_MEM); 245194676Sthompsa } 246199055Sthompsa /* get device into libUSB v1.0 list */ 247199055Sthompsa libusb20_be_dequeue_device(usb_backend, pdev); 248199055Sthompsa 249194676Sthompsa memset(dev, 0, sizeof(*dev)); 250194676Sthompsa 251195957Salfred /* init transfer queues */ 252195957Salfred TAILQ_INIT(&dev->tr_head); 253195957Salfred 254195957Salfred /* set context we belong to */ 255194676Sthompsa dev->ctx = ctx; 256194676Sthompsa 257194676Sthompsa /* link together the two structures */ 258194676Sthompsa dev->os_priv = pdev; 259195957Salfred pdev->privLuData = dev; 260194676Sthompsa 261194676Sthompsa (*list)[i] = libusb_ref_device(dev); 262194676Sthompsa i++; 263194676Sthompsa } 264194676Sthompsa (*list)[i] = NULL; 265194676Sthompsa 266194676Sthompsa libusb20_be_free(usb_backend); 267194676Sthompsa return (i); 268194676Sthompsa} 269194676Sthompsa 270194676Sthompsavoid 271194676Sthompsalibusb_free_device_list(libusb_device **list, int unref_devices) 272194676Sthompsa{ 273194676Sthompsa int i; 274194676Sthompsa 275194676Sthompsa if (list == NULL) 276195957Salfred return; /* be NULL safe */ 277194676Sthompsa 278194676Sthompsa if (unref_devices) { 279194676Sthompsa for (i = 0; list[i] != NULL; i++) 280194676Sthompsa libusb_unref_device(list[i]); 281194676Sthompsa } 282194676Sthompsa free(list); 283194676Sthompsa} 284194676Sthompsa 285194676Sthompsauint8_t 286195957Salfredlibusb_get_bus_number(libusb_device *dev) 287194676Sthompsa{ 288194676Sthompsa if (dev == NULL) 289195957Salfred return (0); /* should not happen */ 290195957Salfred return (libusb20_dev_get_bus_number(dev->os_priv)); 291194676Sthompsa} 292194676Sthompsa 293250342Semasteint 294250342Semastelibusb_get_port_path(libusb_context *ctx, libusb_device *dev, uint8_t *buf, 295250342Semaste uint8_t bufsize) 296250342Semaste{ 297250342Semaste return (libusb20_dev_get_port_path(dev->os_priv, buf, bufsize)); 298250342Semaste} 299250342Semaste 300194676Sthompsauint8_t 301195957Salfredlibusb_get_device_address(libusb_device *dev) 302194676Sthompsa{ 303194676Sthompsa if (dev == NULL) 304195957Salfred return (0); /* should not happen */ 305195957Salfred return (libusb20_dev_get_address(dev->os_priv)); 306194676Sthompsa} 307194676Sthompsa 308224903Shselaskyenum libusb_speed 309224903Shselaskylibusb_get_device_speed(libusb_device *dev) 310224903Shselasky{ 311224903Shselasky if (dev == NULL) 312225035Shselasky return (LIBUSB_SPEED_UNKNOWN); /* should not happen */ 313224903Shselasky 314224903Shselasky switch (libusb20_dev_get_speed(dev->os_priv)) { 315224903Shselasky case LIBUSB20_SPEED_LOW: 316224903Shselasky return (LIBUSB_SPEED_LOW); 317224903Shselasky case LIBUSB20_SPEED_FULL: 318224903Shselasky return (LIBUSB_SPEED_FULL); 319224903Shselasky case LIBUSB20_SPEED_HIGH: 320224903Shselasky return (LIBUSB_SPEED_HIGH); 321224903Shselasky case LIBUSB20_SPEED_SUPER: 322224903Shselasky return (LIBUSB_SPEED_SUPER); 323224903Shselasky default: 324224903Shselasky break; 325224903Shselasky } 326224903Shselasky return (LIBUSB_SPEED_UNKNOWN); 327224903Shselasky} 328224903Shselasky 329194676Sthompsaint 330195957Salfredlibusb_get_max_packet_size(libusb_device *dev, uint8_t endpoint) 331194676Sthompsa{ 332194676Sthompsa struct libusb_config_descriptor *pdconf; 333194676Sthompsa struct libusb_interface *pinf; 334194676Sthompsa struct libusb_interface_descriptor *pdinf; 335194676Sthompsa struct libusb_endpoint_descriptor *pdend; 336195957Salfred int i; 337195957Salfred int j; 338195957Salfred int k; 339195957Salfred int ret; 340194676Sthompsa 341194676Sthompsa if (dev == NULL) 342194676Sthompsa return (LIBUSB_ERROR_NO_DEVICE); 343194676Sthompsa 344195957Salfred ret = libusb_get_active_config_descriptor(dev, &pdconf); 345195957Salfred if (ret < 0) 346195957Salfred return (ret); 347195957Salfred 348194676Sthompsa ret = LIBUSB_ERROR_NOT_FOUND; 349195957Salfred for (i = 0; i < pdconf->bNumInterfaces; i++) { 350194676Sthompsa pinf = &pdconf->interface[i]; 351195957Salfred for (j = 0; j < pinf->num_altsetting; j++) { 352194676Sthompsa pdinf = &pinf->altsetting[j]; 353195957Salfred for (k = 0; k < pdinf->bNumEndpoints; k++) { 354194676Sthompsa pdend = &pdinf->endpoint[k]; 355194676Sthompsa if (pdend->bEndpointAddress == endpoint) { 356194676Sthompsa ret = pdend->wMaxPacketSize; 357194676Sthompsa goto out; 358194676Sthompsa } 359194676Sthompsa } 360194676Sthompsa } 361194676Sthompsa } 362194676Sthompsa 363194676Sthompsaout: 364194676Sthompsa libusb_free_config_descriptor(pdconf); 365194676Sthompsa return (ret); 366194676Sthompsa} 367194676Sthompsa 368234193Shselaskyint 369234193Shselaskylibusb_get_max_iso_packet_size(libusb_device *dev, uint8_t endpoint) 370234193Shselasky{ 371234193Shselasky int multiplier; 372234193Shselasky int ret; 373234193Shselasky 374234193Shselasky ret = libusb_get_max_packet_size(dev, endpoint); 375234193Shselasky 376234193Shselasky switch (libusb20_dev_get_speed(dev->os_priv)) { 377234193Shselasky case LIBUSB20_SPEED_LOW: 378234193Shselasky case LIBUSB20_SPEED_FULL: 379234193Shselasky break; 380234193Shselasky default: 381234193Shselasky if (ret > -1) { 382234193Shselasky multiplier = (1 + ((ret >> 11) & 3)); 383234193Shselasky if (multiplier > 3) 384234193Shselasky multiplier = 3; 385234193Shselasky ret = (ret & 0x7FF) * multiplier; 386234193Shselasky } 387234193Shselasky break; 388234193Shselasky } 389234193Shselasky return (ret); 390234193Shselasky} 391234193Shselasky 392194676Sthompsalibusb_device * 393195957Salfredlibusb_ref_device(libusb_device *dev) 394194676Sthompsa{ 395194676Sthompsa if (dev == NULL) 396195957Salfred return (NULL); /* be NULL safe */ 397194676Sthompsa 398195957Salfred CTX_LOCK(dev->ctx); 399194676Sthompsa dev->refcnt++; 400195957Salfred CTX_UNLOCK(dev->ctx); 401194676Sthompsa 402194676Sthompsa return (dev); 403194676Sthompsa} 404194676Sthompsa 405194676Sthompsavoid 406195957Salfredlibusb_unref_device(libusb_device *dev) 407194676Sthompsa{ 408194676Sthompsa if (dev == NULL) 409195957Salfred return; /* be NULL safe */ 410194676Sthompsa 411195957Salfred CTX_LOCK(dev->ctx); 412194676Sthompsa dev->refcnt--; 413195957Salfred CTX_UNLOCK(dev->ctx); 414194676Sthompsa 415194676Sthompsa if (dev->refcnt == 0) { 416194676Sthompsa libusb20_dev_free(dev->os_priv); 417194676Sthompsa free(dev); 418194676Sthompsa } 419194676Sthompsa} 420194676Sthompsa 421194676Sthompsaint 422195957Salfredlibusb_open(libusb_device *dev, libusb_device_handle **devh) 423194676Sthompsa{ 424194676Sthompsa libusb_context *ctx = dev->ctx; 425194676Sthompsa struct libusb20_device *pdev = dev->os_priv; 426195957Salfred uint8_t dummy; 427194676Sthompsa int err; 428194676Sthompsa 429194676Sthompsa if (devh == NULL) 430194676Sthompsa return (LIBUSB_ERROR_INVALID_PARAM); 431194676Sthompsa 432195957Salfred /* set default device handle value */ 433195957Salfred *devh = NULL; 434194676Sthompsa 435195957Salfred dev = libusb_ref_device(dev); 436195957Salfred if (dev == NULL) 437195957Salfred return (LIBUSB_ERROR_INVALID_PARAM); 438195957Salfred 439194676Sthompsa err = libusb20_dev_open(pdev, 16 * 4 /* number of endpoints */ ); 440194676Sthompsa if (err) { 441195957Salfred libusb_unref_device(dev); 442194676Sthompsa return (LIBUSB_ERROR_NO_MEM); 443194676Sthompsa } 444195957Salfred libusb10_add_pollfd(ctx, &dev->dev_poll, pdev, libusb20_dev_get_fd(pdev), POLLIN | 445194676Sthompsa POLLOUT | POLLRDNORM | POLLWRNORM); 446194676Sthompsa 447195957Salfred /* make sure our event loop detects the new device */ 448195957Salfred dummy = 0; 449194676Sthompsa err = write(ctx->ctrl_pipe[1], &dummy, sizeof(dummy)); 450213853Shselasky if (err < (int)sizeof(dummy)) { 451195957Salfred /* ignore error, if any */ 452195957Salfred DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_open write failed!"); 453194676Sthompsa } 454195957Salfred *devh = pdev; 455194676Sthompsa 456194676Sthompsa return (0); 457194676Sthompsa} 458194676Sthompsa 459194676Sthompsalibusb_device_handle * 460195957Salfredlibusb_open_device_with_vid_pid(libusb_context *ctx, uint16_t vendor_id, 461194676Sthompsa uint16_t product_id) 462194676Sthompsa{ 463194676Sthompsa struct libusb_device **devs; 464194676Sthompsa struct libusb20_device *pdev; 465194676Sthompsa struct LIBUSB20_DEVICE_DESC_DECODED *pdesc; 466195957Salfred int i; 467195957Salfred int j; 468194676Sthompsa 469195957Salfred ctx = GET_CONTEXT(ctx); 470195957Salfred if (ctx == NULL) 471195957Salfred return (NULL); /* be NULL safe */ 472195957Salfred 473195560Sthompsa DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_open_device_width_vid_pid enter"); 474194676Sthompsa 475194676Sthompsa if ((i = libusb_get_device_list(ctx, &devs)) < 0) 476194676Sthompsa return (NULL); 477194676Sthompsa 478228236Shselasky pdev = NULL; 479194676Sthompsa for (j = 0; j < i; j++) { 480228236Shselasky struct libusb20_device *tdev; 481228236Shselasky 482228236Shselasky tdev = devs[j]->os_priv; 483228236Shselasky pdesc = libusb20_dev_get_device_desc(tdev); 484195957Salfred /* 485195957Salfred * NOTE: The USB library will automatically swap the 486195957Salfred * fields in the device descriptor to be of host 487195957Salfred * endian type! 488195957Salfred */ 489194676Sthompsa if (pdesc->idVendor == vendor_id && 490195560Sthompsa pdesc->idProduct == product_id) { 491228235Shselasky libusb_open(devs[j], &pdev); 492195957Salfred break; 493195560Sthompsa } 494194676Sthompsa } 495194676Sthompsa 496194676Sthompsa libusb_free_device_list(devs, 1); 497195560Sthompsa DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_open_device_width_vid_pid leave"); 498195957Salfred return (pdev); 499194676Sthompsa} 500194676Sthompsa 501194676Sthompsavoid 502195957Salfredlibusb_close(struct libusb20_device *pdev) 503194676Sthompsa{ 504194676Sthompsa libusb_context *ctx; 505195957Salfred struct libusb_device *dev; 506195957Salfred uint8_t dummy; 507194676Sthompsa int err; 508194676Sthompsa 509195957Salfred if (pdev == NULL) 510195957Salfred return; /* be NULL safe */ 511194676Sthompsa 512195957Salfred dev = libusb_get_device(pdev); 513195957Salfred ctx = dev->ctx; 514194676Sthompsa 515195957Salfred libusb10_remove_pollfd(ctx, &dev->dev_poll); 516194676Sthompsa 517195957Salfred libusb20_dev_close(pdev); 518199055Sthompsa 519199055Sthompsa /* unref will free the "pdev" when the refcount reaches zero */ 520195957Salfred libusb_unref_device(dev); 521194676Sthompsa 522195957Salfred /* make sure our event loop detects the closed device */ 523195957Salfred dummy = 0; 524194676Sthompsa err = write(ctx->ctrl_pipe[1], &dummy, sizeof(dummy)); 525213853Shselasky if (err < (int)sizeof(dummy)) { 526195957Salfred /* ignore error, if any */ 527195957Salfred DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_close write failed!"); 528194676Sthompsa } 529194676Sthompsa} 530194676Sthompsa 531194676Sthompsalibusb_device * 532195957Salfredlibusb_get_device(struct libusb20_device *pdev) 533194676Sthompsa{ 534195957Salfred if (pdev == NULL) 535194676Sthompsa return (NULL); 536195957Salfred return ((libusb_device *)pdev->privLuData); 537194676Sthompsa} 538194676Sthompsa 539194676Sthompsaint 540195957Salfredlibusb_get_configuration(struct libusb20_device *pdev, int *config) 541194676Sthompsa{ 542195957Salfred struct libusb20_config *pconf; 543194676Sthompsa 544195957Salfred if (pdev == NULL || config == NULL) 545194676Sthompsa return (LIBUSB_ERROR_INVALID_PARAM); 546194676Sthompsa 547195957Salfred pconf = libusb20_dev_alloc_config(pdev, libusb20_dev_get_config_index(pdev)); 548195957Salfred if (pconf == NULL) 549195957Salfred return (LIBUSB_ERROR_NO_MEM); 550194676Sthompsa 551195957Salfred *config = pconf->desc.bConfigurationValue; 552195957Salfred 553195957Salfred free(pconf); 554195957Salfred 555194676Sthompsa return (0); 556194676Sthompsa} 557194676Sthompsa 558194676Sthompsaint 559195957Salfredlibusb_set_configuration(struct libusb20_device *pdev, int configuration) 560194676Sthompsa{ 561195957Salfred struct libusb20_config *pconf; 562195957Salfred struct libusb_device *dev; 563195957Salfred int err; 564195957Salfred uint8_t i; 565194676Sthompsa 566195957Salfred dev = libusb_get_device(pdev); 567195957Salfred if (dev == NULL) 568194676Sthompsa return (LIBUSB_ERROR_INVALID_PARAM); 569194676Sthompsa 570195957Salfred if (configuration < 1) { 571195957Salfred /* unconfigure */ 572195957Salfred i = 255; 573195957Salfred } else { 574195957Salfred for (i = 0; i != 255; i++) { 575195957Salfred uint8_t found; 576194676Sthompsa 577195957Salfred pconf = libusb20_dev_alloc_config(pdev, i); 578195957Salfred if (pconf == NULL) 579195957Salfred return (LIBUSB_ERROR_INVALID_PARAM); 580195957Salfred found = (pconf->desc.bConfigurationValue 581195957Salfred == configuration); 582195957Salfred free(pconf); 583195957Salfred 584195957Salfred if (found) 585195957Salfred goto set_config; 586195957Salfred } 587195957Salfred return (LIBUSB_ERROR_INVALID_PARAM); 588195957Salfred } 589195957Salfred 590195957Salfredset_config: 591195957Salfred 592195957Salfred libusb10_cancel_all_transfer(dev); 593195957Salfred 594195957Salfred libusb10_remove_pollfd(dev->ctx, &dev->dev_poll); 595195957Salfred 596195957Salfred err = libusb20_dev_set_config_index(pdev, i); 597195957Salfred 598195957Salfred libusb10_add_pollfd(dev->ctx, &dev->dev_poll, pdev, libusb20_dev_get_fd(pdev), POLLIN | 599195957Salfred POLLOUT | POLLRDNORM | POLLWRNORM); 600195957Salfred 601195957Salfred return (err ? LIBUSB_ERROR_INVALID_PARAM : 0); 602194676Sthompsa} 603194676Sthompsa 604194676Sthompsaint 605195957Salfredlibusb_claim_interface(struct libusb20_device *pdev, int interface_number) 606194676Sthompsa{ 607195957Salfred libusb_device *dev; 608195957Salfred int err = 0; 609194676Sthompsa 610195957Salfred dev = libusb_get_device(pdev); 611194676Sthompsa if (dev == NULL) 612194676Sthompsa return (LIBUSB_ERROR_INVALID_PARAM); 613194676Sthompsa 614195957Salfred if (interface_number < 0 || interface_number > 31) 615194676Sthompsa return (LIBUSB_ERROR_INVALID_PARAM); 616194676Sthompsa 617195957Salfred CTX_LOCK(dev->ctx); 618194676Sthompsa if (dev->claimed_interfaces & (1 << interface_number)) 619195957Salfred err = LIBUSB_ERROR_BUSY; 620194676Sthompsa 621195957Salfred if (!err) 622194676Sthompsa dev->claimed_interfaces |= (1 << interface_number); 623195957Salfred CTX_UNLOCK(dev->ctx); 624195957Salfred return (err); 625194676Sthompsa} 626194676Sthompsa 627194676Sthompsaint 628195957Salfredlibusb_release_interface(struct libusb20_device *pdev, int interface_number) 629194676Sthompsa{ 630195957Salfred libusb_device *dev; 631195957Salfred int err = 0; 632194676Sthompsa 633195957Salfred dev = libusb_get_device(pdev); 634194676Sthompsa if (dev == NULL) 635194676Sthompsa return (LIBUSB_ERROR_INVALID_PARAM); 636194676Sthompsa 637195957Salfred if (interface_number < 0 || interface_number > 31) 638194676Sthompsa return (LIBUSB_ERROR_INVALID_PARAM); 639194676Sthompsa 640195957Salfred CTX_LOCK(dev->ctx); 641194676Sthompsa if (!(dev->claimed_interfaces & (1 << interface_number))) 642195957Salfred err = LIBUSB_ERROR_NOT_FOUND; 643194676Sthompsa 644195957Salfred if (!err) 645194676Sthompsa dev->claimed_interfaces &= ~(1 << interface_number); 646195957Salfred CTX_UNLOCK(dev->ctx); 647195957Salfred return (err); 648194676Sthompsa} 649194676Sthompsa 650194676Sthompsaint 651195957Salfredlibusb_set_interface_alt_setting(struct libusb20_device *pdev, 652194676Sthompsa int interface_number, int alternate_setting) 653194676Sthompsa{ 654195957Salfred libusb_device *dev; 655195957Salfred int err = 0; 656194676Sthompsa 657195957Salfred dev = libusb_get_device(pdev); 658194676Sthompsa if (dev == NULL) 659194676Sthompsa return (LIBUSB_ERROR_INVALID_PARAM); 660194676Sthompsa 661195957Salfred if (interface_number < 0 || interface_number > 31) 662194676Sthompsa return (LIBUSB_ERROR_INVALID_PARAM); 663194676Sthompsa 664195957Salfred CTX_LOCK(dev->ctx); 665195957Salfred if (!(dev->claimed_interfaces & (1 << interface_number))) 666195957Salfred err = LIBUSB_ERROR_NOT_FOUND; 667195957Salfred CTX_UNLOCK(dev->ctx); 668194676Sthompsa 669195957Salfred if (err) 670195957Salfred return (err); 671195957Salfred 672195957Salfred libusb10_cancel_all_transfer(dev); 673195957Salfred 674195957Salfred libusb10_remove_pollfd(dev->ctx, &dev->dev_poll); 675195957Salfred 676195957Salfred err = libusb20_dev_set_alt_index(pdev, 677195957Salfred interface_number, alternate_setting); 678195957Salfred 679195957Salfred libusb10_add_pollfd(dev->ctx, &dev->dev_poll, 680195957Salfred pdev, libusb20_dev_get_fd(pdev), 681195957Salfred POLLIN | POLLOUT | POLLRDNORM | POLLWRNORM); 682195957Salfred 683195957Salfred return (err ? LIBUSB_ERROR_OTHER : 0); 684194676Sthompsa} 685194676Sthompsa 686195957Salfredstatic struct libusb20_transfer * 687195957Salfredlibusb10_get_transfer(struct libusb20_device *pdev, 688234491Shselasky uint8_t endpoint, uint8_t xfer_index) 689195957Salfred{ 690234491Shselasky xfer_index &= 1; /* double buffering */ 691195957Salfred 692234491Shselasky xfer_index |= (endpoint & LIBUSB20_ENDPOINT_ADDRESS_MASK) * 4; 693195957Salfred 694195957Salfred if (endpoint & LIBUSB20_ENDPOINT_DIR_MASK) { 695195957Salfred /* this is an IN endpoint */ 696234491Shselasky xfer_index |= 2; 697195957Salfred } 698234491Shselasky return (libusb20_tr_get_pointer(pdev, xfer_index)); 699195957Salfred} 700195957Salfred 701194676Sthompsaint 702195957Salfredlibusb_clear_halt(struct libusb20_device *pdev, uint8_t endpoint) 703194676Sthompsa{ 704194676Sthompsa struct libusb20_transfer *xfer; 705195957Salfred struct libusb_device *dev; 706195957Salfred int err; 707194676Sthompsa 708195957Salfred xfer = libusb10_get_transfer(pdev, endpoint, 0); 709195560Sthompsa if (xfer == NULL) 710195957Salfred return (LIBUSB_ERROR_INVALID_PARAM); 711194676Sthompsa 712195957Salfred dev = libusb_get_device(pdev); 713213853Shselasky if (dev == NULL) 714213853Shselasky return (LIBUSB_ERROR_INVALID_PARAM); 715195957Salfred 716195957Salfred CTX_LOCK(dev->ctx); 717223642Shselasky err = libusb20_tr_open(xfer, 0, 1, endpoint); 718195957Salfred CTX_UNLOCK(dev->ctx); 719195957Salfred 720195957Salfred if (err != 0 && err != LIBUSB20_ERROR_BUSY) 721194676Sthompsa return (LIBUSB_ERROR_OTHER); 722194676Sthompsa 723194676Sthompsa libusb20_tr_clear_stall_sync(xfer); 724195957Salfred 725195957Salfred /* check if we opened the transfer */ 726195957Salfred if (err == 0) { 727195957Salfred CTX_LOCK(dev->ctx); 728194676Sthompsa libusb20_tr_close(xfer); 729195957Salfred CTX_UNLOCK(dev->ctx); 730195957Salfred } 731195957Salfred return (0); /* success */ 732194676Sthompsa} 733194676Sthompsa 734194676Sthompsaint 735195957Salfredlibusb_reset_device(struct libusb20_device *pdev) 736194676Sthompsa{ 737195957Salfred libusb_device *dev; 738195957Salfred int err; 739194676Sthompsa 740195957Salfred dev = libusb_get_device(pdev); 741194676Sthompsa if (dev == NULL) 742213853Shselasky return (LIBUSB_ERROR_INVALID_PARAM); 743194676Sthompsa 744195957Salfred libusb10_cancel_all_transfer(dev); 745195957Salfred 746195957Salfred libusb10_remove_pollfd(dev->ctx, &dev->dev_poll); 747195957Salfred 748195957Salfred err = libusb20_dev_reset(pdev); 749195957Salfred 750195957Salfred libusb10_add_pollfd(dev->ctx, &dev->dev_poll, 751195957Salfred pdev, libusb20_dev_get_fd(pdev), 752195957Salfred POLLIN | POLLOUT | POLLRDNORM | POLLWRNORM); 753195957Salfred 754195957Salfred return (err ? LIBUSB_ERROR_OTHER : 0); 755194676Sthompsa} 756194676Sthompsa 757194676Sthompsaint 758213848Shselaskylibusb_check_connected(struct libusb20_device *pdev) 759213848Shselasky{ 760213848Shselasky libusb_device *dev; 761213848Shselasky int err; 762213848Shselasky 763213848Shselasky dev = libusb_get_device(pdev); 764213848Shselasky if (dev == NULL) 765213848Shselasky return (LIBUSB_ERROR_INVALID_PARAM); 766213848Shselasky 767213848Shselasky err = libusb20_dev_check_connected(pdev); 768213848Shselasky 769213848Shselasky return (err ? LIBUSB_ERROR_NO_DEVICE : 0); 770213848Shselasky} 771213848Shselasky 772213848Shselaskyint 773195957Salfredlibusb_kernel_driver_active(struct libusb20_device *pdev, int interface) 774194676Sthompsa{ 775195957Salfred if (pdev == NULL) 776194676Sthompsa return (LIBUSB_ERROR_INVALID_PARAM); 777194676Sthompsa 778226220Shselasky if (libusb20_dev_kernel_driver_active(pdev, interface)) 779226220Shselasky return (0); /* no kernel driver is active */ 780226220Shselasky else 781226220Shselasky return (1); /* kernel driver is active */ 782194676Sthompsa} 783194676Sthompsa 784194676Sthompsaint 785213853Shselaskylibusb_get_driver_np(struct libusb20_device *pdev, int interface, 786213853Shselasky char *name, int namelen) 787213853Shselasky{ 788213853Shselasky return (libusb_get_driver(pdev, interface, name, namelen)); 789213853Shselasky} 790213853Shselasky 791213853Shselaskyint 792213853Shselaskylibusb_get_driver(struct libusb20_device *pdev, int interface, 793213853Shselasky char *name, int namelen) 794213853Shselasky{ 795213853Shselasky char *ptr; 796213853Shselasky int err; 797213853Shselasky 798213853Shselasky if (pdev == NULL) 799213853Shselasky return (LIBUSB_ERROR_INVALID_PARAM); 800213853Shselasky if (namelen < 1) 801213853Shselasky return (LIBUSB_ERROR_INVALID_PARAM); 802224085Shselasky if (namelen > 255) 803224085Shselasky namelen = 255; 804213853Shselasky 805213853Shselasky err = libusb20_dev_get_iface_desc( 806213853Shselasky pdev, interface, name, namelen); 807213853Shselasky 808213853Shselasky if (err != 0) 809213853Shselasky return (LIBUSB_ERROR_OTHER); 810213853Shselasky 811213853Shselasky /* we only want the driver name */ 812213853Shselasky ptr = strstr(name, ":"); 813213853Shselasky if (ptr != NULL) 814213853Shselasky *ptr = 0; 815213853Shselasky 816213853Shselasky return (0); 817213853Shselasky} 818213853Shselasky 819213853Shselaskyint 820213853Shselaskylibusb_detach_kernel_driver_np(struct libusb20_device *pdev, int interface) 821213853Shselasky{ 822213853Shselasky return (libusb_detach_kernel_driver(pdev, interface)); 823213853Shselasky} 824213853Shselasky 825213853Shselaskyint 826195957Salfredlibusb_detach_kernel_driver(struct libusb20_device *pdev, int interface) 827194676Sthompsa{ 828195957Salfred int err; 829194676Sthompsa 830195957Salfred if (pdev == NULL) 831194676Sthompsa return (LIBUSB_ERROR_INVALID_PARAM); 832194676Sthompsa 833195957Salfred err = libusb20_dev_detach_kernel_driver( 834195957Salfred pdev, interface); 835194676Sthompsa 836213853Shselasky return (err ? LIBUSB_ERROR_OTHER : 0); 837194676Sthompsa} 838194676Sthompsa 839194676Sthompsaint 840195957Salfredlibusb_attach_kernel_driver(struct libusb20_device *pdev, int interface) 841194676Sthompsa{ 842195957Salfred if (pdev == NULL) 843194676Sthompsa return (LIBUSB_ERROR_INVALID_PARAM); 844195957Salfred /* stub - currently not supported by libusb20 */ 845194676Sthompsa return (0); 846194676Sthompsa} 847194676Sthompsa 848194676Sthompsa/* Asynchronous device I/O */ 849194676Sthompsa 850194676Sthompsastruct libusb_transfer * 851194676Sthompsalibusb_alloc_transfer(int iso_packets) 852194676Sthompsa{ 853195957Salfred struct libusb_transfer *uxfer; 854195957Salfred struct libusb_super_transfer *sxfer; 855194676Sthompsa int len; 856194676Sthompsa 857194676Sthompsa len = sizeof(struct libusb_transfer) + 858195957Salfred sizeof(struct libusb_super_transfer) + 859194676Sthompsa (iso_packets * sizeof(libusb_iso_packet_descriptor)); 860194676Sthompsa 861195957Salfred sxfer = malloc(len); 862195957Salfred if (sxfer == NULL) 863194676Sthompsa return (NULL); 864194676Sthompsa 865195957Salfred memset(sxfer, 0, len); 866194676Sthompsa 867195957Salfred uxfer = (struct libusb_transfer *)( 868195957Salfred ((uint8_t *)sxfer) + sizeof(*sxfer)); 869194676Sthompsa 870195957Salfred /* set default value */ 871195957Salfred uxfer->num_iso_packets = iso_packets; 872195957Salfred 873195957Salfred return (uxfer); 874194676Sthompsa} 875194676Sthompsa 876194676Sthompsavoid 877195957Salfredlibusb_free_transfer(struct libusb_transfer *uxfer) 878194676Sthompsa{ 879195957Salfred struct libusb_super_transfer *sxfer; 880194676Sthompsa 881195957Salfred if (uxfer == NULL) 882195957Salfred return; /* be NULL safe */ 883194676Sthompsa 884215253Shselasky /* check if we should free the transfer buffer */ 885215253Shselasky if (uxfer->flags & LIBUSB_TRANSFER_FREE_BUFFER) 886215253Shselasky free(uxfer->buffer); 887215253Shselasky 888195957Salfred sxfer = (struct libusb_super_transfer *)( 889195957Salfred (uint8_t *)uxfer - sizeof(*sxfer)); 890194676Sthompsa 891195957Salfred free(sxfer); 892194676Sthompsa} 893194676Sthompsa 894219100Shselaskystatic uint32_t 895195957Salfredlibusb10_get_maxframe(struct libusb20_device *pdev, libusb_transfer *xfer) 896195560Sthompsa{ 897219100Shselasky uint32_t ret; 898195560Sthompsa 899195560Sthompsa switch (xfer->type) { 900195560Sthompsa case LIBUSB_TRANSFER_TYPE_ISOCHRONOUS: 901219100Shselasky ret = 60 | LIBUSB20_MAX_FRAME_PRE_SCALE; /* 60ms */ 902195957Salfred break; 903195560Sthompsa case LIBUSB_TRANSFER_TYPE_CONTROL: 904195560Sthompsa ret = 2; 905195957Salfred break; 906195560Sthompsa default: 907195560Sthompsa ret = 1; 908195957Salfred break; 909195560Sthompsa } 910195957Salfred return (ret); 911195560Sthompsa} 912195560Sthompsa 913195560Sthompsastatic int 914195957Salfredlibusb10_get_buffsize(struct libusb20_device *pdev, libusb_transfer *xfer) 915195560Sthompsa{ 916195560Sthompsa int ret; 917195560Sthompsa int usb_speed; 918195560Sthompsa 919195560Sthompsa usb_speed = libusb20_dev_get_speed(pdev); 920195560Sthompsa 921195560Sthompsa switch (xfer->type) { 922195560Sthompsa case LIBUSB_TRANSFER_TYPE_ISOCHRONOUS: 923195957Salfred ret = 0; /* kernel will auto-select */ 924195957Salfred break; 925195560Sthompsa case LIBUSB_TRANSFER_TYPE_CONTROL: 926195957Salfred ret = 1024; 927195957Salfred break; 928195957Salfred default: 929195560Sthompsa switch (usb_speed) { 930195957Salfred case LIBUSB20_SPEED_LOW: 931195957Salfred ret = 256; 932195957Salfred break; 933195957Salfred case LIBUSB20_SPEED_FULL: 934195957Salfred ret = 4096; 935195957Salfred break; 936195957Salfred default: 937195957Salfred ret = 16384; 938195957Salfred break; 939195560Sthompsa } 940195957Salfred break; 941195560Sthompsa } 942195957Salfred return (ret); 943195560Sthompsa} 944195560Sthompsa 945195957Salfredstatic int 946195957Salfredlibusb10_convert_error(uint8_t status) 947195957Salfred{ 948195957Salfred ; /* indent fix */ 949195957Salfred 950195957Salfred switch (status) { 951195957Salfred case LIBUSB20_TRANSFER_START: 952195957Salfred case LIBUSB20_TRANSFER_COMPLETED: 953195957Salfred return (LIBUSB_TRANSFER_COMPLETED); 954195957Salfred case LIBUSB20_TRANSFER_OVERFLOW: 955195957Salfred return (LIBUSB_TRANSFER_OVERFLOW); 956195957Salfred case LIBUSB20_TRANSFER_NO_DEVICE: 957195957Salfred return (LIBUSB_TRANSFER_NO_DEVICE); 958195957Salfred case LIBUSB20_TRANSFER_STALL: 959195957Salfred return (LIBUSB_TRANSFER_STALL); 960195957Salfred case LIBUSB20_TRANSFER_CANCELLED: 961195957Salfred return (LIBUSB_TRANSFER_CANCELLED); 962195957Salfred case LIBUSB20_TRANSFER_TIMED_OUT: 963195957Salfred return (LIBUSB_TRANSFER_TIMED_OUT); 964195957Salfred default: 965195957Salfred return (LIBUSB_TRANSFER_ERROR); 966195957Salfred } 967195957Salfred} 968195957Salfred 969195957Salfred/* This function must be called locked */ 970195957Salfred 971194676Sthompsastatic void 972195957Salfredlibusb10_complete_transfer(struct libusb20_transfer *pxfer, 973195957Salfred struct libusb_super_transfer *sxfer, int status) 974194676Sthompsa{ 975195957Salfred struct libusb_transfer *uxfer; 976195957Salfred struct libusb_device *dev; 977195957Salfred 978195957Salfred uxfer = (struct libusb_transfer *)( 979195957Salfred ((uint8_t *)sxfer) + sizeof(*sxfer)); 980195957Salfred 981195957Salfred if (pxfer != NULL) 982195957Salfred libusb20_tr_set_priv_sc1(pxfer, NULL); 983195957Salfred 984199575Sthompsa /* set transfer status */ 985195957Salfred uxfer->status = status; 986195957Salfred 987199575Sthompsa /* update super transfer state */ 988199575Sthompsa sxfer->state = LIBUSB_SUPER_XFER_ST_NONE; 989199575Sthompsa 990195957Salfred dev = libusb_get_device(uxfer->dev_handle); 991195957Salfred 992195957Salfred TAILQ_INSERT_TAIL(&dev->ctx->tr_done, sxfer, entry); 993195957Salfred} 994195957Salfred 995195957Salfred/* This function must be called locked */ 996195957Salfred 997195957Salfredstatic void 998195957Salfredlibusb10_isoc_proxy(struct libusb20_transfer *pxfer) 999195957Salfred{ 1000195957Salfred struct libusb_super_transfer *sxfer; 1001195957Salfred struct libusb_transfer *uxfer; 1002195957Salfred uint32_t actlen; 1003195957Salfred uint16_t iso_packets; 1004195957Salfred uint16_t i; 1005194676Sthompsa uint8_t status; 1006195957Salfred uint8_t flags; 1007194676Sthompsa 1008195957Salfred status = libusb20_tr_get_status(pxfer); 1009195957Salfred sxfer = libusb20_tr_get_priv_sc1(pxfer); 1010195957Salfred actlen = libusb20_tr_get_actual_length(pxfer); 1011195957Salfred iso_packets = libusb20_tr_get_max_frames(pxfer); 1012194676Sthompsa 1013195957Salfred if (sxfer == NULL) 1014195957Salfred return; /* cancelled - nothing to do */ 1015195957Salfred 1016195957Salfred uxfer = (struct libusb_transfer *)( 1017195957Salfred ((uint8_t *)sxfer) + sizeof(*sxfer)); 1018195957Salfred 1019195957Salfred if (iso_packets > uxfer->num_iso_packets) 1020195957Salfred iso_packets = uxfer->num_iso_packets; 1021195957Salfred 1022195957Salfred if (iso_packets == 0) 1023195957Salfred return; /* nothing to do */ 1024195957Salfred 1025195957Salfred /* make sure that the number of ISOCHRONOUS packets is valid */ 1026195957Salfred uxfer->num_iso_packets = iso_packets; 1027195957Salfred 1028195957Salfred flags = uxfer->flags; 1029195957Salfred 1030194676Sthompsa switch (status) { 1031194676Sthompsa case LIBUSB20_TRANSFER_COMPLETED: 1032195560Sthompsa 1033195957Salfred /* update actual length */ 1034195957Salfred uxfer->actual_length = actlen; 1035195957Salfred for (i = 0; i != iso_packets; i++) { 1036195957Salfred uxfer->iso_packet_desc[i].actual_length = 1037195957Salfred libusb20_tr_get_length(pxfer, i); 1038195957Salfred } 1039195957Salfred libusb10_complete_transfer(pxfer, sxfer, LIBUSB_TRANSFER_COMPLETED); 1040195957Salfred break; 1041195560Sthompsa 1042194676Sthompsa case LIBUSB20_TRANSFER_START: 1043195957Salfred 1044195957Salfred /* setup length(s) */ 1045195957Salfred actlen = 0; 1046195957Salfred for (i = 0; i != iso_packets; i++) { 1047195957Salfred libusb20_tr_setup_isoc(pxfer, 1048195957Salfred &uxfer->buffer[actlen], 1049195957Salfred uxfer->iso_packet_desc[i].length, i); 1050195957Salfred actlen += uxfer->iso_packet_desc[i].length; 1051194676Sthompsa } 1052195957Salfred 1053195957Salfred /* no remainder */ 1054195957Salfred sxfer->rem_len = 0; 1055195957Salfred 1056195957Salfred libusb20_tr_set_total_frames(pxfer, iso_packets); 1057195957Salfred libusb20_tr_submit(pxfer); 1058195957Salfred 1059195957Salfred /* fork another USB transfer, if any */ 1060195957Salfred libusb10_submit_transfer_sub(libusb20_tr_get_priv_sc0(pxfer), uxfer->endpoint); 1061195957Salfred break; 1062195957Salfred 1063194676Sthompsa default: 1064195957Salfred libusb10_complete_transfer(pxfer, sxfer, libusb10_convert_error(status)); 1065195957Salfred break; 1066194676Sthompsa } 1067195957Salfred} 1068194676Sthompsa 1069195957Salfred/* This function must be called locked */ 1070195957Salfred 1071195957Salfredstatic void 1072195957Salfredlibusb10_bulk_intr_proxy(struct libusb20_transfer *pxfer) 1073195957Salfred{ 1074195957Salfred struct libusb_super_transfer *sxfer; 1075195957Salfred struct libusb_transfer *uxfer; 1076195957Salfred uint32_t max_bulk; 1077195957Salfred uint32_t actlen; 1078195957Salfred uint8_t status; 1079195957Salfred uint8_t flags; 1080195957Salfred 1081195957Salfred status = libusb20_tr_get_status(pxfer); 1082195957Salfred sxfer = libusb20_tr_get_priv_sc1(pxfer); 1083195957Salfred max_bulk = libusb20_tr_get_max_total_length(pxfer); 1084195957Salfred actlen = libusb20_tr_get_actual_length(pxfer); 1085195957Salfred 1086195957Salfred if (sxfer == NULL) 1087195957Salfred return; /* cancelled - nothing to do */ 1088195957Salfred 1089195957Salfred uxfer = (struct libusb_transfer *)( 1090195957Salfred ((uint8_t *)sxfer) + sizeof(*sxfer)); 1091195957Salfred 1092195957Salfred flags = uxfer->flags; 1093195957Salfred 1094194676Sthompsa switch (status) { 1095194676Sthompsa case LIBUSB20_TRANSFER_COMPLETED: 1096195957Salfred 1097195957Salfred uxfer->actual_length += actlen; 1098195957Salfred 1099195957Salfred /* check for short packet */ 1100195957Salfred if (sxfer->last_len != actlen) { 1101195957Salfred if (flags & LIBUSB_TRANSFER_SHORT_NOT_OK) { 1102195957Salfred libusb10_complete_transfer(pxfer, sxfer, LIBUSB_TRANSFER_ERROR); 1103195957Salfred } else { 1104195957Salfred libusb10_complete_transfer(pxfer, sxfer, LIBUSB_TRANSFER_COMPLETED); 1105195957Salfred } 1106195957Salfred break; 1107195957Salfred } 1108195957Salfred /* check for end of data */ 1109195957Salfred if (sxfer->rem_len == 0) { 1110195957Salfred libusb10_complete_transfer(pxfer, sxfer, LIBUSB_TRANSFER_COMPLETED); 1111195957Salfred break; 1112195957Salfred } 1113195957Salfred /* FALLTHROUGH */ 1114195957Salfred 1115195957Salfred case LIBUSB20_TRANSFER_START: 1116195957Salfred if (max_bulk > sxfer->rem_len) { 1117195957Salfred max_bulk = sxfer->rem_len; 1118195957Salfred } 1119195957Salfred /* setup new BULK or INTERRUPT transaction */ 1120195957Salfred libusb20_tr_setup_bulk(pxfer, 1121195957Salfred sxfer->curr_data, max_bulk, uxfer->timeout); 1122195957Salfred 1123195957Salfred /* update counters */ 1124195957Salfred sxfer->last_len = max_bulk; 1125195957Salfred sxfer->curr_data += max_bulk; 1126195957Salfred sxfer->rem_len -= max_bulk; 1127195957Salfred 1128195957Salfred libusb20_tr_submit(pxfer); 1129195957Salfred 1130195957Salfred /* check if we can fork another USB transfer */ 1131195957Salfred if (sxfer->rem_len == 0) 1132195957Salfred libusb10_submit_transfer_sub(libusb20_tr_get_priv_sc0(pxfer), uxfer->endpoint); 1133195957Salfred break; 1134195957Salfred 1135195957Salfred default: 1136195957Salfred libusb10_complete_transfer(pxfer, sxfer, libusb10_convert_error(status)); 1137195957Salfred break; 1138194676Sthompsa } 1139194676Sthompsa} 1140194676Sthompsa 1141195957Salfred/* This function must be called locked */ 1142195957Salfred 1143195957Salfredstatic void 1144195957Salfredlibusb10_ctrl_proxy(struct libusb20_transfer *pxfer) 1145194676Sthompsa{ 1146195957Salfred struct libusb_super_transfer *sxfer; 1147195957Salfred struct libusb_transfer *uxfer; 1148195957Salfred uint32_t max_bulk; 1149195957Salfred uint32_t actlen; 1150195957Salfred uint8_t status; 1151195957Salfred uint8_t flags; 1152194676Sthompsa 1153195957Salfred status = libusb20_tr_get_status(pxfer); 1154195957Salfred sxfer = libusb20_tr_get_priv_sc1(pxfer); 1155195957Salfred max_bulk = libusb20_tr_get_max_total_length(pxfer); 1156195957Salfred actlen = libusb20_tr_get_actual_length(pxfer); 1157194676Sthompsa 1158195957Salfred if (sxfer == NULL) 1159195957Salfred return; /* cancelled - nothing to do */ 1160194676Sthompsa 1161195957Salfred uxfer = (struct libusb_transfer *)( 1162195957Salfred ((uint8_t *)sxfer) + sizeof(*sxfer)); 1163194676Sthompsa 1164195957Salfred flags = uxfer->flags; 1165194676Sthompsa 1166195957Salfred switch (status) { 1167195957Salfred case LIBUSB20_TRANSFER_COMPLETED: 1168194676Sthompsa 1169195957Salfred uxfer->actual_length += actlen; 1170195957Salfred 1171195957Salfred /* subtract length of SETUP packet, if any */ 1172195957Salfred actlen -= libusb20_tr_get_length(pxfer, 0); 1173195957Salfred 1174195957Salfred /* check for short packet */ 1175195957Salfred if (sxfer->last_len != actlen) { 1176195957Salfred if (flags & LIBUSB_TRANSFER_SHORT_NOT_OK) { 1177195957Salfred libusb10_complete_transfer(pxfer, sxfer, LIBUSB_TRANSFER_ERROR); 1178195957Salfred } else { 1179195957Salfred libusb10_complete_transfer(pxfer, sxfer, LIBUSB_TRANSFER_COMPLETED); 1180195957Salfred } 1181195957Salfred break; 1182194676Sthompsa } 1183195957Salfred /* check for end of data */ 1184195957Salfred if (sxfer->rem_len == 0) { 1185195957Salfred libusb10_complete_transfer(pxfer, sxfer, LIBUSB_TRANSFER_COMPLETED); 1186195957Salfred break; 1187195957Salfred } 1188195957Salfred /* FALLTHROUGH */ 1189194676Sthompsa 1190195957Salfred case LIBUSB20_TRANSFER_START: 1191195957Salfred if (max_bulk > sxfer->rem_len) { 1192195957Salfred max_bulk = sxfer->rem_len; 1193195957Salfred } 1194195957Salfred /* setup new CONTROL transaction */ 1195195957Salfred if (status == LIBUSB20_TRANSFER_COMPLETED) { 1196195957Salfred /* next fragment - don't send SETUP packet */ 1197195957Salfred libusb20_tr_set_length(pxfer, 0, 0); 1198195957Salfred } else { 1199195957Salfred /* first fragment - send SETUP packet */ 1200195957Salfred libusb20_tr_set_length(pxfer, 8, 0); 1201195957Salfred libusb20_tr_set_buffer(pxfer, uxfer->buffer, 0); 1202195957Salfred } 1203195957Salfred 1204195957Salfred if (max_bulk != 0) { 1205195957Salfred libusb20_tr_set_length(pxfer, max_bulk, 1); 1206195957Salfred libusb20_tr_set_buffer(pxfer, sxfer->curr_data, 1); 1207195957Salfred libusb20_tr_set_total_frames(pxfer, 2); 1208195957Salfred } else { 1209195957Salfred libusb20_tr_set_total_frames(pxfer, 1); 1210195957Salfred } 1211195957Salfred 1212195957Salfred /* update counters */ 1213195957Salfred sxfer->last_len = max_bulk; 1214195957Salfred sxfer->curr_data += max_bulk; 1215195957Salfred sxfer->rem_len -= max_bulk; 1216195957Salfred 1217195957Salfred libusb20_tr_submit(pxfer); 1218195957Salfred 1219195957Salfred /* check if we can fork another USB transfer */ 1220195957Salfred if (sxfer->rem_len == 0) 1221195957Salfred libusb10_submit_transfer_sub(libusb20_tr_get_priv_sc0(pxfer), uxfer->endpoint); 1222195957Salfred break; 1223195957Salfred 1224195957Salfred default: 1225195957Salfred libusb10_complete_transfer(pxfer, sxfer, libusb10_convert_error(status)); 1226195957Salfred break; 1227194676Sthompsa } 1228195957Salfred} 1229195957Salfred 1230195957Salfred/* The following function must be called locked */ 1231195957Salfred 1232195957Salfredstatic void 1233195957Salfredlibusb10_submit_transfer_sub(struct libusb20_device *pdev, uint8_t endpoint) 1234195957Salfred{ 1235195957Salfred struct libusb20_transfer *pxfer0; 1236195957Salfred struct libusb20_transfer *pxfer1; 1237195957Salfred struct libusb_super_transfer *sxfer; 1238195957Salfred struct libusb_transfer *uxfer; 1239195957Salfred struct libusb_device *dev; 1240195957Salfred int err; 1241195957Salfred int buffsize; 1242195957Salfred int maxframe; 1243195957Salfred int temp; 1244195957Salfred uint8_t dummy; 1245195957Salfred 1246195957Salfred dev = libusb_get_device(pdev); 1247195957Salfred 1248195957Salfred pxfer0 = libusb10_get_transfer(pdev, endpoint, 0); 1249195957Salfred pxfer1 = libusb10_get_transfer(pdev, endpoint, 1); 1250195957Salfred 1251195957Salfred if (pxfer0 == NULL || pxfer1 == NULL) 1252195957Salfred return; /* shouldn't happen */ 1253195957Salfred 1254195957Salfred temp = 0; 1255195957Salfred if (libusb20_tr_pending(pxfer0)) 1256195957Salfred temp |= 1; 1257195957Salfred if (libusb20_tr_pending(pxfer1)) 1258195957Salfred temp |= 2; 1259195957Salfred 1260195957Salfred switch (temp) { 1261195957Salfred case 3: 1262195957Salfred /* wait till one of the transfers complete */ 1263195957Salfred return; 1264195957Salfred case 2: 1265195957Salfred sxfer = libusb20_tr_get_priv_sc1(pxfer1); 1266199575Sthompsa if (sxfer == NULL) 1267199575Sthompsa return; /* cancelling */ 1268195957Salfred if (sxfer->rem_len) 1269195957Salfred return; /* cannot queue another one */ 1270195957Salfred /* swap transfers */ 1271195957Salfred pxfer1 = pxfer0; 1272195957Salfred break; 1273195957Salfred case 1: 1274195957Salfred sxfer = libusb20_tr_get_priv_sc1(pxfer0); 1275199575Sthompsa if (sxfer == NULL) 1276199575Sthompsa return; /* cancelling */ 1277195957Salfred if (sxfer->rem_len) 1278195957Salfred return; /* cannot queue another one */ 1279195957Salfred /* swap transfers */ 1280195957Salfred pxfer0 = pxfer1; 1281195957Salfred break; 1282195957Salfred default: 1283195957Salfred break; 1284194676Sthompsa } 1285195957Salfred 1286195957Salfred /* find next transfer on same endpoint */ 1287195957Salfred TAILQ_FOREACH(sxfer, &dev->tr_head, entry) { 1288195957Salfred 1289195957Salfred uxfer = (struct libusb_transfer *)( 1290195957Salfred ((uint8_t *)sxfer) + sizeof(*sxfer)); 1291195957Salfred 1292195957Salfred if (uxfer->endpoint == endpoint) { 1293195957Salfred TAILQ_REMOVE(&dev->tr_head, sxfer, entry); 1294195957Salfred sxfer->entry.tqe_prev = NULL; 1295195957Salfred goto found; 1296194676Sthompsa } 1297195957Salfred } 1298195957Salfred return; /* success */ 1299194676Sthompsa 1300195957Salfredfound: 1301194676Sthompsa 1302195957Salfred libusb20_tr_set_priv_sc0(pxfer0, pdev); 1303195957Salfred libusb20_tr_set_priv_sc1(pxfer0, sxfer); 1304194676Sthompsa 1305195957Salfred /* reset super transfer state */ 1306195957Salfred sxfer->rem_len = uxfer->length; 1307195957Salfred sxfer->curr_data = uxfer->buffer; 1308195957Salfred uxfer->actual_length = 0; 1309194676Sthompsa 1310195957Salfred switch (uxfer->type) { 1311195957Salfred case LIBUSB_TRANSFER_TYPE_ISOCHRONOUS: 1312195957Salfred libusb20_tr_set_callback(pxfer0, libusb10_isoc_proxy); 1313195957Salfred break; 1314195957Salfred case LIBUSB_TRANSFER_TYPE_BULK: 1315195957Salfred case LIBUSB_TRANSFER_TYPE_INTERRUPT: 1316195957Salfred libusb20_tr_set_callback(pxfer0, libusb10_bulk_intr_proxy); 1317195957Salfred break; 1318195957Salfred case LIBUSB_TRANSFER_TYPE_CONTROL: 1319195957Salfred libusb20_tr_set_callback(pxfer0, libusb10_ctrl_proxy); 1320195957Salfred if (sxfer->rem_len < 8) 1321195957Salfred goto failure; 1322194676Sthompsa 1323195957Salfred /* remove SETUP packet from data */ 1324195957Salfred sxfer->rem_len -= 8; 1325195957Salfred sxfer->curr_data += 8; 1326195957Salfred break; 1327195957Salfred default: 1328195957Salfred goto failure; 1329195560Sthompsa } 1330195957Salfred 1331195957Salfred buffsize = libusb10_get_buffsize(pdev, uxfer); 1332195957Salfred maxframe = libusb10_get_maxframe(pdev, uxfer); 1333195957Salfred 1334195957Salfred /* make sure the transfer is opened */ 1335195957Salfred err = libusb20_tr_open(pxfer0, buffsize, maxframe, endpoint); 1336195957Salfred if (err && (err != LIBUSB20_ERROR_BUSY)) { 1337195957Salfred goto failure; 1338194676Sthompsa } 1339195957Salfred libusb20_tr_start(pxfer0); 1340195957Salfred return; 1341194676Sthompsa 1342195957Salfredfailure: 1343195957Salfred libusb10_complete_transfer(pxfer0, sxfer, LIBUSB_TRANSFER_ERROR); 1344194676Sthompsa 1345195957Salfred /* make sure our event loop spins the done handler */ 1346195957Salfred dummy = 0; 1347248236Shselasky err = write(dev->ctx->ctrl_pipe[1], &dummy, sizeof(dummy)); 1348195957Salfred} 1349194676Sthompsa 1350195957Salfred/* The following function must be called unlocked */ 1351194676Sthompsa 1352195957Salfredint 1353195957Salfredlibusb_submit_transfer(struct libusb_transfer *uxfer) 1354195957Salfred{ 1355195957Salfred struct libusb20_transfer *pxfer0; 1356195957Salfred struct libusb20_transfer *pxfer1; 1357195957Salfred struct libusb_super_transfer *sxfer; 1358195957Salfred struct libusb_device *dev; 1359234684Shselasky uint8_t endpoint; 1360195957Salfred int err; 1361195957Salfred 1362195957Salfred if (uxfer == NULL) 1363195957Salfred return (LIBUSB_ERROR_INVALID_PARAM); 1364195957Salfred 1365195957Salfred if (uxfer->dev_handle == NULL) 1366195957Salfred return (LIBUSB_ERROR_INVALID_PARAM); 1367195957Salfred 1368195957Salfred endpoint = uxfer->endpoint; 1369195957Salfred 1370195957Salfred dev = libusb_get_device(uxfer->dev_handle); 1371195957Salfred 1372195957Salfred DPRINTF(dev->ctx, LIBUSB_DEBUG_FUNCTION, "libusb_submit_transfer enter"); 1373195957Salfred 1374195957Salfred sxfer = (struct libusb_super_transfer *)( 1375195957Salfred (uint8_t *)uxfer - sizeof(*sxfer)); 1376195957Salfred 1377195957Salfred CTX_LOCK(dev->ctx); 1378195957Salfred 1379195957Salfred pxfer0 = libusb10_get_transfer(uxfer->dev_handle, endpoint, 0); 1380195957Salfred pxfer1 = libusb10_get_transfer(uxfer->dev_handle, endpoint, 1); 1381195957Salfred 1382195957Salfred if (pxfer0 == NULL || pxfer1 == NULL) { 1383195957Salfred err = LIBUSB_ERROR_OTHER; 1384195957Salfred } else if ((sxfer->entry.tqe_prev != NULL) || 1385199575Sthompsa (libusb20_tr_get_priv_sc1(pxfer0) == sxfer) || 1386195957Salfred (libusb20_tr_get_priv_sc1(pxfer1) == sxfer)) { 1387195957Salfred err = LIBUSB_ERROR_BUSY; 1388195957Salfred } else { 1389199575Sthompsa 1390199575Sthompsa /* set pending state */ 1391199575Sthompsa sxfer->state = LIBUSB_SUPER_XFER_ST_PEND; 1392199575Sthompsa 1393199575Sthompsa /* insert transfer into transfer head list */ 1394195957Salfred TAILQ_INSERT_TAIL(&dev->tr_head, sxfer, entry); 1395195957Salfred 1396199575Sthompsa /* start work transfers */ 1397195957Salfred libusb10_submit_transfer_sub( 1398195957Salfred uxfer->dev_handle, endpoint); 1399195957Salfred 1400195957Salfred err = 0; /* success */ 1401195957Salfred } 1402195957Salfred 1403195957Salfred CTX_UNLOCK(dev->ctx); 1404195957Salfred 1405195957Salfred DPRINTF(dev->ctx, LIBUSB_DEBUG_FUNCTION, "libusb_submit_transfer leave %d", err); 1406195957Salfred 1407195957Salfred return (err); 1408194676Sthompsa} 1409194676Sthompsa 1410195957Salfred/* Asynchronous transfer cancel */ 1411195957Salfred 1412194676Sthompsaint 1413195957Salfredlibusb_cancel_transfer(struct libusb_transfer *uxfer) 1414194676Sthompsa{ 1415195957Salfred struct libusb20_transfer *pxfer0; 1416195957Salfred struct libusb20_transfer *pxfer1; 1417195957Salfred struct libusb_super_transfer *sxfer; 1418195957Salfred struct libusb_device *dev; 1419234684Shselasky uint8_t endpoint; 1420199575Sthompsa int retval; 1421194676Sthompsa 1422195957Salfred if (uxfer == NULL) 1423195957Salfred return (LIBUSB_ERROR_INVALID_PARAM); 1424194676Sthompsa 1425199575Sthompsa /* check if not initialised */ 1426195957Salfred if (uxfer->dev_handle == NULL) 1427199575Sthompsa return (LIBUSB_ERROR_NOT_FOUND); 1428194676Sthompsa 1429195957Salfred endpoint = uxfer->endpoint; 1430194676Sthompsa 1431195957Salfred dev = libusb_get_device(uxfer->dev_handle); 1432195957Salfred 1433195957Salfred DPRINTF(dev->ctx, LIBUSB_DEBUG_FUNCTION, "libusb_cancel_transfer enter"); 1434195957Salfred 1435195957Salfred sxfer = (struct libusb_super_transfer *)( 1436195957Salfred (uint8_t *)uxfer - sizeof(*sxfer)); 1437195957Salfred 1438199575Sthompsa retval = 0; 1439199575Sthompsa 1440195957Salfred CTX_LOCK(dev->ctx); 1441195957Salfred 1442195957Salfred pxfer0 = libusb10_get_transfer(uxfer->dev_handle, endpoint, 0); 1443195957Salfred pxfer1 = libusb10_get_transfer(uxfer->dev_handle, endpoint, 1); 1444195957Salfred 1445199575Sthompsa if (sxfer->state != LIBUSB_SUPER_XFER_ST_PEND) { 1446199575Sthompsa /* only update the transfer status */ 1447199575Sthompsa uxfer->status = LIBUSB_TRANSFER_CANCELLED; 1448199575Sthompsa retval = LIBUSB_ERROR_NOT_FOUND; 1449199575Sthompsa } else if (sxfer->entry.tqe_prev != NULL) { 1450195957Salfred /* we are lucky - transfer is on a queue */ 1451195957Salfred TAILQ_REMOVE(&dev->tr_head, sxfer, entry); 1452195957Salfred sxfer->entry.tqe_prev = NULL; 1453199575Sthompsa libusb10_complete_transfer(NULL, 1454199575Sthompsa sxfer, LIBUSB_TRANSFER_CANCELLED); 1455195957Salfred } else if (pxfer0 == NULL || pxfer1 == NULL) { 1456195957Salfred /* not started */ 1457199575Sthompsa retval = LIBUSB_ERROR_NOT_FOUND; 1458195957Salfred } else if (libusb20_tr_get_priv_sc1(pxfer0) == sxfer) { 1459199575Sthompsa libusb10_complete_transfer(pxfer0, 1460199575Sthompsa sxfer, LIBUSB_TRANSFER_CANCELLED); 1461195957Salfred libusb20_tr_stop(pxfer0); 1462195957Salfred /* make sure the queue doesn't stall */ 1463195957Salfred libusb10_submit_transfer_sub( 1464195957Salfred uxfer->dev_handle, endpoint); 1465195957Salfred } else if (libusb20_tr_get_priv_sc1(pxfer1) == sxfer) { 1466199575Sthompsa libusb10_complete_transfer(pxfer1, 1467199575Sthompsa sxfer, LIBUSB_TRANSFER_CANCELLED); 1468195957Salfred libusb20_tr_stop(pxfer1); 1469195957Salfred /* make sure the queue doesn't stall */ 1470195957Salfred libusb10_submit_transfer_sub( 1471195957Salfred uxfer->dev_handle, endpoint); 1472195957Salfred } else { 1473195957Salfred /* not started */ 1474199575Sthompsa retval = LIBUSB_ERROR_NOT_FOUND; 1475195957Salfred } 1476195957Salfred 1477195957Salfred CTX_UNLOCK(dev->ctx); 1478195957Salfred 1479195957Salfred DPRINTF(dev->ctx, LIBUSB_DEBUG_FUNCTION, "libusb_cancel_transfer leave"); 1480195957Salfred 1481199575Sthompsa return (retval); 1482194676Sthompsa} 1483194676Sthompsa 1484195957SalfredUNEXPORTED void 1485195957Salfredlibusb10_cancel_all_transfer(libusb_device *dev) 1486195957Salfred{ 1487195957Salfred /* TODO */ 1488195957Salfred} 1489199055Sthompsa 1490199055Sthompsauint16_t 1491199055Sthompsalibusb_cpu_to_le16(uint16_t x) 1492199055Sthompsa{ 1493199055Sthompsa return (htole16(x)); 1494199055Sthompsa} 1495199055Sthompsa 1496199055Sthompsauint16_t 1497199055Sthompsalibusb_le16_to_cpu(uint16_t x) 1498199055Sthompsa{ 1499199055Sthompsa return (le16toh(x)); 1500199055Sthompsa} 1501199055Sthompsa 1502213853Shselaskyconst char * 1503213853Shselaskylibusb_strerror(int code) 1504213853Shselasky{ 1505225659Shselasky switch (code) { 1506225659Shselasky case LIBUSB_SUCCESS: 1507225659Shselasky return ("Success"); 1508225659Shselasky case LIBUSB_ERROR_IO: 1509225659Shselasky return ("I/O error"); 1510225659Shselasky case LIBUSB_ERROR_INVALID_PARAM: 1511225659Shselasky return ("Invalid parameter"); 1512225659Shselasky case LIBUSB_ERROR_ACCESS: 1513225659Shselasky return ("Permissions error"); 1514225659Shselasky case LIBUSB_ERROR_NO_DEVICE: 1515225659Shselasky return ("No device"); 1516225659Shselasky case LIBUSB_ERROR_NOT_FOUND: 1517225659Shselasky return ("Not found"); 1518225659Shselasky case LIBUSB_ERROR_BUSY: 1519225659Shselasky return ("Device busy"); 1520225659Shselasky case LIBUSB_ERROR_TIMEOUT: 1521225659Shselasky return ("Timeout"); 1522225659Shselasky case LIBUSB_ERROR_OVERFLOW: 1523225659Shselasky return ("Overflow"); 1524225659Shselasky case LIBUSB_ERROR_PIPE: 1525225659Shselasky return ("Pipe error"); 1526225659Shselasky case LIBUSB_ERROR_INTERRUPTED: 1527225659Shselasky return ("Interrupted"); 1528225659Shselasky case LIBUSB_ERROR_NO_MEM: 1529225659Shselasky return ("Out of memory"); 1530225659Shselasky case LIBUSB_ERROR_NOT_SUPPORTED: 1531225659Shselasky return ("Not supported"); 1532225659Shselasky case LIBUSB_ERROR_OTHER: 1533225659Shselasky return ("Other error"); 1534225659Shselasky default: 1535225659Shselasky return ("Unknown error"); 1536225659Shselasky } 1537213853Shselasky} 1538225659Shselasky 1539225659Shselaskyconst char * 1540225659Shselaskylibusb_error_name(int code) 1541225659Shselasky{ 1542225659Shselasky switch (code) { 1543225659Shselasky case LIBUSB_SUCCESS: 1544225659Shselasky return ("LIBUSB_SUCCESS"); 1545225659Shselasky case LIBUSB_ERROR_IO: 1546225659Shselasky return ("LIBUSB_ERROR_IO"); 1547225659Shselasky case LIBUSB_ERROR_INVALID_PARAM: 1548225659Shselasky return ("LIBUSB_ERROR_INVALID_PARAM"); 1549225659Shselasky case LIBUSB_ERROR_ACCESS: 1550225659Shselasky return ("LIBUSB_ERROR_ACCESS"); 1551225659Shselasky case LIBUSB_ERROR_NO_DEVICE: 1552225659Shselasky return ("LIBUSB_ERROR_NO_DEVICE"); 1553225659Shselasky case LIBUSB_ERROR_NOT_FOUND: 1554225659Shselasky return ("LIBUSB_ERROR_NOT_FOUND"); 1555225659Shselasky case LIBUSB_ERROR_BUSY: 1556225659Shselasky return ("LIBUSB_ERROR_BUSY"); 1557225659Shselasky case LIBUSB_ERROR_TIMEOUT: 1558225659Shselasky return ("LIBUSB_ERROR_TIMEOUT"); 1559225659Shselasky case LIBUSB_ERROR_OVERFLOW: 1560225659Shselasky return ("LIBUSB_ERROR_OVERFLOW"); 1561225659Shselasky case LIBUSB_ERROR_PIPE: 1562225659Shselasky return ("LIBUSB_ERROR_PIPE"); 1563225659Shselasky case LIBUSB_ERROR_INTERRUPTED: 1564225659Shselasky return ("LIBUSB_ERROR_INTERRUPTED"); 1565225659Shselasky case LIBUSB_ERROR_NO_MEM: 1566225659Shselasky return ("LIBUSB_ERROR_NO_MEM"); 1567225659Shselasky case LIBUSB_ERROR_NOT_SUPPORTED: 1568225659Shselasky return ("LIBUSB_ERROR_NOT_SUPPORTED"); 1569225659Shselasky case LIBUSB_ERROR_OTHER: 1570225659Shselasky return ("LIBUSB_ERROR_OTHER"); 1571225659Shselasky default: 1572225659Shselasky return ("LIBUSB_ERROR_UNKNOWN"); 1573225659Shselasky } 1574225659Shselasky} 1575