usb_generic.c revision 257373
1219351Spjd/* $FreeBSD: stable/9/sys/dev/usb/usb_generic.c 257373 2013-10-30 06:18:54Z hselasky $ */ 2219351Spjd/*- 3219351Spjd * Copyright (c) 2008 Hans Petter Selasky. All rights reserved. 4219351Spjd * 5219351Spjd * Redistribution and use in source and binary forms, with or without 6219351Spjd * modification, are permitted provided that the following conditions 7219351Spjd * are met: 8219351Spjd * 1. Redistributions of source code must retain the above copyright 9219351Spjd * notice, this list of conditions and the following disclaimer. 10219351Spjd * 2. Redistributions in binary form must reproduce the above copyright 11219351Spjd * notice, this list of conditions and the following disclaimer in the 12219351Spjd * documentation and/or other materials provided with the distribution. 13219351Spjd * 14219351Spjd * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15219351Spjd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16219351Spjd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17219351Spjd * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18219351Spjd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19219351Spjd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20219351Spjd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21219351Spjd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22219351Spjd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23219351Spjd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24219351Spjd * SUCH DAMAGE. 25219351Spjd */ 26219351Spjd 27219351Spjd#include <sys/stdint.h> 28219351Spjd#include <sys/stddef.h> 29219351Spjd#include <sys/param.h> 30219351Spjd#include <sys/queue.h> 31219351Spjd#include <sys/types.h> 32219351Spjd#include <sys/systm.h> 33219351Spjd#include <sys/kernel.h> 34219351Spjd#include <sys/bus.h> 35219351Spjd#include <sys/module.h> 36219351Spjd#include <sys/lock.h> 37219351Spjd#include <sys/mutex.h> 38219351Spjd#include <sys/condvar.h> 39219351Spjd#include <sys/sysctl.h> 40219351Spjd#include <sys/sx.h> 41219351Spjd#include <sys/unistd.h> 42219351Spjd#include <sys/callout.h> 43219351Spjd#include <sys/malloc.h> 44219351Spjd#include <sys/priv.h> 45219351Spjd#include <sys/conf.h> 46219351Spjd#include <sys/fcntl.h> 47219351Spjd 48219351Spjd#include <dev/usb/usb.h> 49219351Spjd#include <dev/usb/usb_ioctl.h> 50219351Spjd#include <dev/usb/usbdi.h> 51219351Spjd#include <dev/usb/usbdi_util.h> 52219351Spjd 53219351Spjd#define USB_DEBUG_VAR ugen_debug 54219351Spjd 55219351Spjd#include <dev/usb/usb_core.h> 56219351Spjd#include <dev/usb/usb_dev.h> 57219351Spjd#include <dev/usb/usb_mbuf.h> 58219351Spjd#include <dev/usb/usb_process.h> 59219351Spjd#include <dev/usb/usb_device.h> 60219351Spjd#include <dev/usb/usb_debug.h> 61219351Spjd#include <dev/usb/usb_request.h> 62219351Spjd#include <dev/usb/usb_busdma.h> 63219351Spjd#include <dev/usb/usb_util.h> 64219351Spjd#include <dev/usb/usb_hub.h> 65219351Spjd#include <dev/usb/usb_generic.h> 66219351Spjd#include <dev/usb/usb_transfer.h> 67219351Spjd 68219351Spjd#include <dev/usb/usb_controller.h> 69219351Spjd#include <dev/usb/usb_bus.h> 70219351Spjd 71219351Spjd#if USB_HAVE_UGEN 72219351Spjd 73219351Spjd/* defines */ 74219351Spjd 75219351Spjd#define UGEN_BULK_FS_BUFFER_SIZE (64*32) /* bytes */ 76219351Spjd#define UGEN_BULK_HS_BUFFER_SIZE (1024*32) /* bytes */ 77219351Spjd#define UGEN_HW_FRAMES 50 /* number of milliseconds per transfer */ 78219351Spjd 79219351Spjd/* function prototypes */ 80219351Spjd 81219351Spjdstatic usb_callback_t ugen_read_clear_stall_callback; 82219351Spjdstatic usb_callback_t ugen_write_clear_stall_callback; 83219351Spjdstatic usb_callback_t ugen_ctrl_read_callback; 84219351Spjdstatic usb_callback_t ugen_ctrl_write_callback; 85219351Spjdstatic usb_callback_t ugen_isoc_read_callback; 86219351Spjdstatic usb_callback_t ugen_isoc_write_callback; 87219351Spjdstatic usb_callback_t ugen_ctrl_fs_callback; 88219351Spjd 89219351Spjdstatic usb_fifo_open_t ugen_open; 90219351Spjdstatic usb_fifo_close_t ugen_close; 91219351Spjdstatic usb_fifo_ioctl_t ugen_ioctl; 92219351Spjdstatic usb_fifo_ioctl_t ugen_ioctl_post; 93219351Spjdstatic usb_fifo_cmd_t ugen_start_read; 94219351Spjdstatic usb_fifo_cmd_t ugen_start_write; 95219351Spjdstatic usb_fifo_cmd_t ugen_stop_io; 96219351Spjd 97219351Spjdstatic int ugen_transfer_setup(struct usb_fifo *, 98219351Spjd const struct usb_config *, uint8_t); 99219351Spjdstatic int ugen_open_pipe_write(struct usb_fifo *); 100219351Spjdstatic int ugen_open_pipe_read(struct usb_fifo *); 101219351Spjdstatic int ugen_set_config(struct usb_fifo *, uint8_t); 102219351Spjdstatic int ugen_set_interface(struct usb_fifo *, uint8_t, uint8_t); 103219351Spjdstatic int ugen_get_cdesc(struct usb_fifo *, struct usb_gen_descriptor *); 104219351Spjdstatic int ugen_get_sdesc(struct usb_fifo *, struct usb_gen_descriptor *); 105219351Spjdstatic int ugen_get_iface_driver(struct usb_fifo *f, struct usb_gen_descriptor *ugd); 106219351Spjdstatic int usb_gen_fill_deviceinfo(struct usb_fifo *, 107219351Spjd struct usb_device_info *); 108219351Spjdstatic int ugen_re_enumerate(struct usb_fifo *); 109219351Spjdstatic int ugen_iface_ioctl(struct usb_fifo *, u_long, void *, int); 110219351Spjdstatic uint8_t ugen_fs_get_complete(struct usb_fifo *, uint8_t *); 111219351Spjdstatic int ugen_fs_uninit(struct usb_fifo *f); 112219351Spjd 113219351Spjd/* structures */ 114219351Spjd 115219351Spjdstruct usb_fifo_methods usb_ugen_methods = { 116219351Spjd .f_open = &ugen_open, 117219351Spjd .f_close = &ugen_close, 118219351Spjd .f_ioctl = &ugen_ioctl, 119219351Spjd .f_ioctl_post = &ugen_ioctl_post, 120219351Spjd .f_start_read = &ugen_start_read, 121219351Spjd .f_stop_read = &ugen_stop_io, 122219351Spjd .f_start_write = &ugen_start_write, 123219351Spjd .f_stop_write = &ugen_stop_io, 124219351Spjd}; 125219351Spjd 126219351Spjd#ifdef USB_DEBUG 127219351Spjdstatic int ugen_debug = 0; 128219351Spjd 129219351Spjdstatic SYSCTL_NODE(_hw_usb, OID_AUTO, ugen, CTLFLAG_RW, 0, "USB generic"); 130219351SpjdSYSCTL_INT(_hw_usb_ugen, OID_AUTO, debug, CTLFLAG_RW | CTLFLAG_TUN, &ugen_debug, 131219351Spjd 0, "Debug level"); 132219351SpjdTUNABLE_INT("hw.usb.ugen.debug", &ugen_debug); 133219351Spjd#endif 134219351Spjd 135219351Spjd 136219351Spjd/* prototypes */ 137219351Spjd 138219351Spjdstatic int 139219351Spjdugen_transfer_setup(struct usb_fifo *f, 140219351Spjd const struct usb_config *setup, uint8_t n_setup) 141219351Spjd{ 142219351Spjd struct usb_endpoint *ep = usb_fifo_softc(f); 143219351Spjd struct usb_device *udev = f->udev; 144219351Spjd uint8_t iface_index = ep->iface_index; 145219351Spjd int error; 146219351Spjd 147219351Spjd mtx_unlock(f->priv_mtx); 148219351Spjd 149219351Spjd /* 150219351Spjd * "usbd_transfer_setup()" can sleep so one needs to make a wrapper, 151219351Spjd * exiting the mutex and checking things 152219351Spjd */ 153219351Spjd error = usbd_transfer_setup(udev, &iface_index, f->xfer, 154219351Spjd setup, n_setup, f, f->priv_mtx); 155219351Spjd if (error == 0) { 156219351Spjd 157219351Spjd if (f->xfer[0]->nframes == 1) { 158219351Spjd error = usb_fifo_alloc_buffer(f, 159219351Spjd f->xfer[0]->max_data_length, 2); 160219351Spjd } else { 161219351Spjd error = usb_fifo_alloc_buffer(f, 162219351Spjd f->xfer[0]->max_frame_size, 163219351Spjd 2 * f->xfer[0]->nframes); 164219351Spjd } 165219351Spjd if (error) { 166219351Spjd usbd_transfer_unsetup(f->xfer, n_setup); 167219351Spjd } 168219351Spjd } 169219351Spjd mtx_lock(f->priv_mtx); 170 171 return (error); 172} 173 174static int 175ugen_open(struct usb_fifo *f, int fflags) 176{ 177 struct usb_endpoint *ep = usb_fifo_softc(f); 178 struct usb_endpoint_descriptor *ed = ep->edesc; 179 uint8_t type; 180 181 DPRINTFN(6, "flag=0x%x\n", fflags); 182 183 mtx_lock(f->priv_mtx); 184 switch (usbd_get_speed(f->udev)) { 185 case USB_SPEED_LOW: 186 case USB_SPEED_FULL: 187 f->nframes = UGEN_HW_FRAMES; 188 f->bufsize = UGEN_BULK_FS_BUFFER_SIZE; 189 break; 190 default: 191 f->nframes = UGEN_HW_FRAMES * 8; 192 f->bufsize = UGEN_BULK_HS_BUFFER_SIZE; 193 break; 194 } 195 196 type = ed->bmAttributes & UE_XFERTYPE; 197 if (type == UE_INTERRUPT) { 198 f->bufsize = 0; /* use "wMaxPacketSize" */ 199 } 200 f->timeout = USB_NO_TIMEOUT; 201 f->flag_short = 0; 202 f->fifo_zlp = 0; 203 mtx_unlock(f->priv_mtx); 204 205 return (0); 206} 207 208static void 209ugen_close(struct usb_fifo *f, int fflags) 210{ 211 DPRINTFN(6, "flag=0x%x\n", fflags); 212 213 /* cleanup */ 214 215 mtx_lock(f->priv_mtx); 216 usbd_transfer_stop(f->xfer[0]); 217 usbd_transfer_stop(f->xfer[1]); 218 mtx_unlock(f->priv_mtx); 219 220 usbd_transfer_unsetup(f->xfer, 2); 221 usb_fifo_free_buffer(f); 222 223 if (ugen_fs_uninit(f)) { 224 /* ignore any errors - we are closing */ 225 DPRINTFN(6, "no FIFOs\n"); 226 } 227} 228 229static int 230ugen_open_pipe_write(struct usb_fifo *f) 231{ 232 struct usb_config usb_config[2]; 233 struct usb_endpoint *ep = usb_fifo_softc(f); 234 struct usb_endpoint_descriptor *ed = ep->edesc; 235 236 mtx_assert(f->priv_mtx, MA_OWNED); 237 238 if (f->xfer[0] || f->xfer[1]) { 239 /* transfers are already opened */ 240 return (0); 241 } 242 memset(usb_config, 0, sizeof(usb_config)); 243 244 usb_config[1].type = UE_CONTROL; 245 usb_config[1].endpoint = 0; 246 usb_config[1].direction = UE_DIR_ANY; 247 usb_config[1].timeout = 1000; /* 1 second */ 248 usb_config[1].interval = 50;/* 50 milliseconds */ 249 usb_config[1].bufsize = sizeof(struct usb_device_request); 250 usb_config[1].callback = &ugen_write_clear_stall_callback; 251 usb_config[1].usb_mode = USB_MODE_HOST; 252 253 usb_config[0].type = ed->bmAttributes & UE_XFERTYPE; 254 usb_config[0].endpoint = ed->bEndpointAddress & UE_ADDR; 255 usb_config[0].direction = UE_DIR_TX; 256 usb_config[0].interval = USB_DEFAULT_INTERVAL; 257 usb_config[0].flags.proxy_buffer = 1; 258 usb_config[0].usb_mode = USB_MODE_DUAL; /* both modes */ 259 260 switch (ed->bmAttributes & UE_XFERTYPE) { 261 case UE_INTERRUPT: 262 case UE_BULK: 263 if (f->flag_short) { 264 usb_config[0].flags.force_short_xfer = 1; 265 } 266 usb_config[0].callback = &ugen_ctrl_write_callback; 267 usb_config[0].timeout = f->timeout; 268 usb_config[0].frames = 1; 269 usb_config[0].bufsize = f->bufsize; 270 if (ugen_transfer_setup(f, usb_config, 2)) { 271 return (EIO); 272 } 273 /* first transfer does not clear stall */ 274 f->flag_stall = 0; 275 break; 276 277 case UE_ISOCHRONOUS: 278 usb_config[0].flags.short_xfer_ok = 1; 279 usb_config[0].bufsize = 0; /* use default */ 280 usb_config[0].frames = f->nframes; 281 usb_config[0].callback = &ugen_isoc_write_callback; 282 usb_config[0].timeout = 0; 283 284 /* clone configuration */ 285 usb_config[1] = usb_config[0]; 286 287 if (ugen_transfer_setup(f, usb_config, 2)) { 288 return (EIO); 289 } 290 break; 291 default: 292 return (EINVAL); 293 } 294 return (0); 295} 296 297static int 298ugen_open_pipe_read(struct usb_fifo *f) 299{ 300 struct usb_config usb_config[2]; 301 struct usb_endpoint *ep = usb_fifo_softc(f); 302 struct usb_endpoint_descriptor *ed = ep->edesc; 303 304 mtx_assert(f->priv_mtx, MA_OWNED); 305 306 if (f->xfer[0] || f->xfer[1]) { 307 /* transfers are already opened */ 308 return (0); 309 } 310 memset(usb_config, 0, sizeof(usb_config)); 311 312 usb_config[1].type = UE_CONTROL; 313 usb_config[1].endpoint = 0; 314 usb_config[1].direction = UE_DIR_ANY; 315 usb_config[1].timeout = 1000; /* 1 second */ 316 usb_config[1].interval = 50;/* 50 milliseconds */ 317 usb_config[1].bufsize = sizeof(struct usb_device_request); 318 usb_config[1].callback = &ugen_read_clear_stall_callback; 319 usb_config[1].usb_mode = USB_MODE_HOST; 320 321 usb_config[0].type = ed->bmAttributes & UE_XFERTYPE; 322 usb_config[0].endpoint = ed->bEndpointAddress & UE_ADDR; 323 usb_config[0].direction = UE_DIR_RX; 324 usb_config[0].interval = USB_DEFAULT_INTERVAL; 325 usb_config[0].flags.proxy_buffer = 1; 326 usb_config[0].usb_mode = USB_MODE_DUAL; /* both modes */ 327 328 switch (ed->bmAttributes & UE_XFERTYPE) { 329 case UE_INTERRUPT: 330 case UE_BULK: 331 if (f->flag_short) { 332 usb_config[0].flags.short_xfer_ok = 1; 333 } 334 usb_config[0].timeout = f->timeout; 335 usb_config[0].frames = 1; 336 usb_config[0].callback = &ugen_ctrl_read_callback; 337 usb_config[0].bufsize = f->bufsize; 338 339 if (ugen_transfer_setup(f, usb_config, 2)) { 340 return (EIO); 341 } 342 /* first transfer does not clear stall */ 343 f->flag_stall = 0; 344 break; 345 346 case UE_ISOCHRONOUS: 347 usb_config[0].flags.short_xfer_ok = 1; 348 usb_config[0].bufsize = 0; /* use default */ 349 usb_config[0].frames = f->nframes; 350 usb_config[0].callback = &ugen_isoc_read_callback; 351 usb_config[0].timeout = 0; 352 353 /* clone configuration */ 354 usb_config[1] = usb_config[0]; 355 356 if (ugen_transfer_setup(f, usb_config, 2)) { 357 return (EIO); 358 } 359 break; 360 361 default: 362 return (EINVAL); 363 } 364 return (0); 365} 366 367static void 368ugen_start_read(struct usb_fifo *f) 369{ 370 /* check that pipes are open */ 371 if (ugen_open_pipe_read(f)) { 372 /* signal error */ 373 usb_fifo_put_data_error(f); 374 } 375 /* start transfers */ 376 usbd_transfer_start(f->xfer[0]); 377 usbd_transfer_start(f->xfer[1]); 378} 379 380static void 381ugen_start_write(struct usb_fifo *f) 382{ 383 /* check that pipes are open */ 384 if (ugen_open_pipe_write(f)) { 385 /* signal error */ 386 usb_fifo_get_data_error(f); 387 } 388 /* start transfers */ 389 usbd_transfer_start(f->xfer[0]); 390 usbd_transfer_start(f->xfer[1]); 391} 392 393static void 394ugen_stop_io(struct usb_fifo *f) 395{ 396 /* stop transfers */ 397 usbd_transfer_stop(f->xfer[0]); 398 usbd_transfer_stop(f->xfer[1]); 399} 400 401static void 402ugen_ctrl_read_callback(struct usb_xfer *xfer, usb_error_t error) 403{ 404 struct usb_fifo *f = usbd_xfer_softc(xfer); 405 struct usb_mbuf *m; 406 407 DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes); 408 409 switch (USB_GET_STATE(xfer)) { 410 case USB_ST_TRANSFERRED: 411 if (xfer->actlen == 0) { 412 if (f->fifo_zlp != 4) { 413 f->fifo_zlp++; 414 } else { 415 /* 416 * Throttle a little bit we have multiple ZLPs 417 * in a row! 418 */ 419 xfer->interval = 64; /* ms */ 420 } 421 } else { 422 /* clear throttle */ 423 xfer->interval = 0; 424 f->fifo_zlp = 0; 425 } 426 usb_fifo_put_data(f, xfer->frbuffers, 0, 427 xfer->actlen, 1); 428 429 case USB_ST_SETUP: 430 if (f->flag_stall) { 431 usbd_transfer_start(f->xfer[1]); 432 break; 433 } 434 USB_IF_POLL(&f->free_q, m); 435 if (m) { 436 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 437 usbd_transfer_submit(xfer); 438 } 439 break; 440 441 default: /* Error */ 442 if (xfer->error != USB_ERR_CANCELLED) { 443 /* send a zero length packet to userland */ 444 usb_fifo_put_data(f, xfer->frbuffers, 0, 0, 1); 445 f->flag_stall = 1; 446 f->fifo_zlp = 0; 447 usbd_transfer_start(f->xfer[1]); 448 } 449 break; 450 } 451} 452 453static void 454ugen_ctrl_write_callback(struct usb_xfer *xfer, usb_error_t error) 455{ 456 struct usb_fifo *f = usbd_xfer_softc(xfer); 457 usb_frlength_t actlen; 458 459 DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes); 460 461 switch (USB_GET_STATE(xfer)) { 462 case USB_ST_SETUP: 463 case USB_ST_TRANSFERRED: 464 /* 465 * If writing is in stall, just jump to clear stall 466 * callback and solve the situation. 467 */ 468 if (f->flag_stall) { 469 usbd_transfer_start(f->xfer[1]); 470 break; 471 } 472 /* 473 * Write data, setup and perform hardware transfer. 474 */ 475 if (usb_fifo_get_data(f, xfer->frbuffers, 0, 476 xfer->max_data_length, &actlen, 0)) { 477 usbd_xfer_set_frame_len(xfer, 0, actlen); 478 usbd_transfer_submit(xfer); 479 } 480 break; 481 482 default: /* Error */ 483 if (xfer->error != USB_ERR_CANCELLED) { 484 f->flag_stall = 1; 485 usbd_transfer_start(f->xfer[1]); 486 } 487 break; 488 } 489} 490 491static void 492ugen_read_clear_stall_callback(struct usb_xfer *xfer, usb_error_t error) 493{ 494 struct usb_fifo *f = usbd_xfer_softc(xfer); 495 struct usb_xfer *xfer_other = f->xfer[0]; 496 497 if (f->flag_stall == 0) { 498 /* nothing to do */ 499 return; 500 } 501 if (usbd_clear_stall_callback(xfer, xfer_other)) { 502 DPRINTFN(5, "f=%p: stall cleared\n", f); 503 f->flag_stall = 0; 504 usbd_transfer_start(xfer_other); 505 } 506} 507 508static void 509ugen_write_clear_stall_callback(struct usb_xfer *xfer, usb_error_t error) 510{ 511 struct usb_fifo *f = usbd_xfer_softc(xfer); 512 struct usb_xfer *xfer_other = f->xfer[0]; 513 514 if (f->flag_stall == 0) { 515 /* nothing to do */ 516 return; 517 } 518 if (usbd_clear_stall_callback(xfer, xfer_other)) { 519 DPRINTFN(5, "f=%p: stall cleared\n", f); 520 f->flag_stall = 0; 521 usbd_transfer_start(xfer_other); 522 } 523} 524 525static void 526ugen_isoc_read_callback(struct usb_xfer *xfer, usb_error_t error) 527{ 528 struct usb_fifo *f = usbd_xfer_softc(xfer); 529 usb_frlength_t offset; 530 usb_frcount_t n; 531 532 DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes); 533 534 switch (USB_GET_STATE(xfer)) { 535 case USB_ST_TRANSFERRED: 536 537 DPRINTFN(6, "actlen=%d\n", xfer->actlen); 538 539 offset = 0; 540 541 for (n = 0; n != xfer->aframes; n++) { 542 usb_fifo_put_data(f, xfer->frbuffers, offset, 543 xfer->frlengths[n], 1); 544 offset += xfer->max_frame_size; 545 } 546 547 case USB_ST_SETUP: 548tr_setup: 549 for (n = 0; n != xfer->nframes; n++) { 550 /* setup size for next transfer */ 551 usbd_xfer_set_frame_len(xfer, n, xfer->max_frame_size); 552 } 553 usbd_transfer_submit(xfer); 554 break; 555 556 default: /* Error */ 557 if (xfer->error == USB_ERR_CANCELLED) { 558 break; 559 } 560 goto tr_setup; 561 } 562} 563 564static void 565ugen_isoc_write_callback(struct usb_xfer *xfer, usb_error_t error) 566{ 567 struct usb_fifo *f = usbd_xfer_softc(xfer); 568 usb_frlength_t actlen; 569 usb_frlength_t offset; 570 usb_frcount_t n; 571 572 DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes); 573 574 switch (USB_GET_STATE(xfer)) { 575 case USB_ST_TRANSFERRED: 576 case USB_ST_SETUP: 577tr_setup: 578 offset = 0; 579 for (n = 0; n != xfer->nframes; n++) { 580 if (usb_fifo_get_data(f, xfer->frbuffers, offset, 581 xfer->max_frame_size, &actlen, 1)) { 582 usbd_xfer_set_frame_len(xfer, n, actlen); 583 offset += actlen; 584 } else { 585 break; 586 } 587 } 588 589 for (; n != xfer->nframes; n++) { 590 /* fill in zero frames */ 591 usbd_xfer_set_frame_len(xfer, n, 0); 592 } 593 usbd_transfer_submit(xfer); 594 break; 595 596 default: /* Error */ 597 if (xfer->error == USB_ERR_CANCELLED) { 598 break; 599 } 600 goto tr_setup; 601 } 602} 603 604static int 605ugen_set_config(struct usb_fifo *f, uint8_t index) 606{ 607 DPRINTFN(2, "index %u\n", index); 608 609 if (f->udev->flags.usb_mode != USB_MODE_HOST) { 610 /* not possible in device side mode */ 611 return (ENOTTY); 612 } 613 if (f->udev->curr_config_index == index) { 614 /* no change needed */ 615 return (0); 616 } 617 /* make sure all FIFO's are gone */ 618 /* else there can be a deadlock */ 619 if (ugen_fs_uninit(f)) { 620 /* ignore any errors */ 621 DPRINTFN(6, "no FIFOs\n"); 622 } 623 /* change setting - will free generic FIFOs, if any */ 624 if (usbd_set_config_index(f->udev, index)) { 625 return (EIO); 626 } 627 /* probe and attach */ 628 if (usb_probe_and_attach(f->udev, USB_IFACE_INDEX_ANY)) { 629 return (EIO); 630 } 631 return (0); 632} 633 634static int 635ugen_set_interface(struct usb_fifo *f, 636 uint8_t iface_index, uint8_t alt_index) 637{ 638 DPRINTFN(2, "%u, %u\n", iface_index, alt_index); 639 640 if (f->udev->flags.usb_mode != USB_MODE_HOST) { 641 /* not possible in device side mode */ 642 return (ENOTTY); 643 } 644 /* make sure all FIFO's are gone */ 645 /* else there can be a deadlock */ 646 if (ugen_fs_uninit(f)) { 647 /* ignore any errors */ 648 DPRINTFN(6, "no FIFOs\n"); 649 } 650 /* change setting - will free generic FIFOs, if any */ 651 if (usbd_set_alt_interface_index(f->udev, iface_index, alt_index)) { 652 return (EIO); 653 } 654 /* probe and attach */ 655 if (usb_probe_and_attach(f->udev, iface_index)) { 656 return (EIO); 657 } 658 return (0); 659} 660 661/*------------------------------------------------------------------------* 662 * ugen_get_cdesc 663 * 664 * This function will retrieve the complete configuration descriptor 665 * at the given index. 666 *------------------------------------------------------------------------*/ 667static int 668ugen_get_cdesc(struct usb_fifo *f, struct usb_gen_descriptor *ugd) 669{ 670 struct usb_config_descriptor *cdesc; 671 struct usb_device *udev = f->udev; 672 int error; 673 uint16_t len; 674 uint8_t free_data; 675 676 DPRINTFN(6, "\n"); 677 678 if (ugd->ugd_data == NULL) { 679 /* userland pointer should not be zero */ 680 return (EINVAL); 681 } 682 if ((ugd->ugd_config_index == USB_UNCONFIG_INDEX) || 683 (ugd->ugd_config_index == udev->curr_config_index)) { 684 cdesc = usbd_get_config_descriptor(udev); 685 if (cdesc == NULL) { 686 return (ENXIO); 687 } 688 free_data = 0; 689 690 } else { 691 if (usbd_req_get_config_desc_full(udev, 692 NULL, &cdesc, M_USBDEV, 693 ugd->ugd_config_index)) { 694 return (ENXIO); 695 } 696 free_data = 1; 697 } 698 699 len = UGETW(cdesc->wTotalLength); 700 if (len > ugd->ugd_maxlen) { 701 len = ugd->ugd_maxlen; 702 } 703 DPRINTFN(6, "len=%u\n", len); 704 705 ugd->ugd_actlen = len; 706 ugd->ugd_offset = 0; 707 708 error = copyout(cdesc, ugd->ugd_data, len); 709 710 if (free_data) { 711 free(cdesc, M_USBDEV); 712 } 713 return (error); 714} 715 716/* 717 * This function is called having the enumeration SX locked which 718 * protects the scratch area used. 719 */ 720static int 721ugen_get_sdesc(struct usb_fifo *f, struct usb_gen_descriptor *ugd) 722{ 723 void *ptr; 724 uint16_t size; 725 int error; 726 727 ptr = f->udev->scratch.data; 728 size = sizeof(f->udev->scratch.data); 729 730 if (usbd_req_get_string_desc(f->udev, NULL, ptr, 731 size, ugd->ugd_lang_id, ugd->ugd_string_index)) { 732 error = EINVAL; 733 } else { 734 735 if (size > ((uint8_t *)ptr)[0]) { 736 size = ((uint8_t *)ptr)[0]; 737 } 738 if (size > ugd->ugd_maxlen) { 739 size = ugd->ugd_maxlen; 740 } 741 ugd->ugd_actlen = size; 742 ugd->ugd_offset = 0; 743 744 error = copyout(ptr, ugd->ugd_data, size); 745 } 746 return (error); 747} 748 749/*------------------------------------------------------------------------* 750 * ugen_get_iface_driver 751 * 752 * This function generates an USB interface description for userland. 753 * 754 * Returns: 755 * 0: Success 756 * Else: Failure 757 *------------------------------------------------------------------------*/ 758static int 759ugen_get_iface_driver(struct usb_fifo *f, struct usb_gen_descriptor *ugd) 760{ 761 struct usb_device *udev = f->udev; 762 struct usb_interface *iface; 763 const char *ptr; 764 const char *desc; 765 unsigned int len; 766 unsigned int maxlen; 767 char buf[128]; 768 int error; 769 770 DPRINTFN(6, "\n"); 771 772 if ((ugd->ugd_data == NULL) || (ugd->ugd_maxlen == 0)) { 773 /* userland pointer should not be zero */ 774 return (EINVAL); 775 } 776 777 iface = usbd_get_iface(udev, ugd->ugd_iface_index); 778 if ((iface == NULL) || (iface->idesc == NULL)) { 779 /* invalid interface index */ 780 return (EINVAL); 781 } 782 783 /* read out device nameunit string, if any */ 784 if ((iface->subdev != NULL) && 785 device_is_attached(iface->subdev) && 786 (ptr = device_get_nameunit(iface->subdev)) && 787 (desc = device_get_desc(iface->subdev))) { 788 789 /* print description */ 790 snprintf(buf, sizeof(buf), "%s: <%s>", ptr, desc); 791 792 /* range checks */ 793 maxlen = ugd->ugd_maxlen - 1; 794 len = strlen(buf); 795 if (len > maxlen) 796 len = maxlen; 797 798 /* update actual length, including terminating zero */ 799 ugd->ugd_actlen = len + 1; 800 801 /* copy out interface description */ 802 error = copyout(buf, ugd->ugd_data, ugd->ugd_actlen); 803 } else { 804 /* zero length string is default */ 805 error = copyout("", ugd->ugd_data, 1); 806 } 807 return (error); 808} 809 810/*------------------------------------------------------------------------* 811 * usb_gen_fill_deviceinfo 812 * 813 * This function dumps information about an USB device to the 814 * structure pointed to by the "di" argument. 815 * 816 * Returns: 817 * 0: Success 818 * Else: Failure 819 *------------------------------------------------------------------------*/ 820static int 821usb_gen_fill_deviceinfo(struct usb_fifo *f, struct usb_device_info *di) 822{ 823 struct usb_device *udev; 824 struct usb_device *hub; 825 826 udev = f->udev; 827 828 bzero(di, sizeof(di[0])); 829 830 di->udi_bus = device_get_unit(udev->bus->bdev); 831 di->udi_addr = udev->address; 832 di->udi_index = udev->device_index; 833 strlcpy(di->udi_serial, usb_get_serial(udev), sizeof(di->udi_serial)); 834 strlcpy(di->udi_vendor, usb_get_manufacturer(udev), sizeof(di->udi_vendor)); 835 strlcpy(di->udi_product, usb_get_product(udev), sizeof(di->udi_product)); 836 usb_printbcd(di->udi_release, sizeof(di->udi_release), 837 UGETW(udev->ddesc.bcdDevice)); 838 di->udi_vendorNo = UGETW(udev->ddesc.idVendor); 839 di->udi_productNo = UGETW(udev->ddesc.idProduct); 840 di->udi_releaseNo = UGETW(udev->ddesc.bcdDevice); 841 di->udi_class = udev->ddesc.bDeviceClass; 842 di->udi_subclass = udev->ddesc.bDeviceSubClass; 843 di->udi_protocol = udev->ddesc.bDeviceProtocol; 844 di->udi_config_no = udev->curr_config_no; 845 di->udi_config_index = udev->curr_config_index; 846 di->udi_power = udev->flags.self_powered ? 0 : udev->power; 847 di->udi_speed = udev->speed; 848 di->udi_mode = udev->flags.usb_mode; 849 di->udi_power_mode = udev->power_mode; 850 di->udi_suspended = udev->flags.peer_suspended; 851 852 hub = udev->parent_hub; 853 if (hub) { 854 di->udi_hubaddr = hub->address; 855 di->udi_hubindex = hub->device_index; 856 di->udi_hubport = udev->port_no; 857 } 858 return (0); 859} 860 861/*------------------------------------------------------------------------* 862 * ugen_check_request 863 * 864 * Return values: 865 * 0: Access allowed 866 * Else: No access 867 *------------------------------------------------------------------------*/ 868static int 869ugen_check_request(struct usb_device *udev, struct usb_device_request *req) 870{ 871 struct usb_endpoint *ep; 872 int error; 873 874 /* 875 * Avoid requests that would damage the bus integrity: 876 */ 877 if (((req->bmRequestType == UT_WRITE_DEVICE) && 878 (req->bRequest == UR_SET_ADDRESS)) || 879 ((req->bmRequestType == UT_WRITE_DEVICE) && 880 (req->bRequest == UR_SET_CONFIG)) || 881 ((req->bmRequestType == UT_WRITE_INTERFACE) && 882 (req->bRequest == UR_SET_INTERFACE))) { 883 /* 884 * These requests can be useful for testing USB drivers. 885 */ 886 error = priv_check(curthread, PRIV_DRIVER); 887 if (error) { 888 return (error); 889 } 890 } 891 /* 892 * Special case - handle clearing of stall 893 */ 894 if (req->bmRequestType == UT_WRITE_ENDPOINT) { 895 896 ep = usbd_get_ep_by_addr(udev, req->wIndex[0]); 897 if (ep == NULL) { 898 return (EINVAL); 899 } 900 if ((req->bRequest == UR_CLEAR_FEATURE) && 901 (UGETW(req->wValue) == UF_ENDPOINT_HALT)) { 902 usbd_clear_data_toggle(udev, ep); 903 } 904 } 905 /* TODO: add more checks to verify the interface index */ 906 907 return (0); 908} 909 910int 911ugen_do_request(struct usb_fifo *f, struct usb_ctl_request *ur) 912{ 913 int error; 914 uint16_t len; 915 uint16_t actlen; 916 917 if (ugen_check_request(f->udev, &ur->ucr_request)) { 918 return (EPERM); 919 } 920 len = UGETW(ur->ucr_request.wLength); 921 922 /* check if "ucr_data" is valid */ 923 if (len != 0) { 924 if (ur->ucr_data == NULL) { 925 return (EFAULT); 926 } 927 } 928 /* do the USB request */ 929 error = usbd_do_request_flags 930 (f->udev, NULL, &ur->ucr_request, ur->ucr_data, 931 (ur->ucr_flags & USB_SHORT_XFER_OK) | 932 USB_USER_DATA_PTR, &actlen, 933 USB_DEFAULT_TIMEOUT); 934 935 ur->ucr_actlen = actlen; 936 937 if (error) { 938 error = EIO; 939 } 940 return (error); 941} 942 943/*------------------------------------------------------------------------ 944 * ugen_re_enumerate 945 *------------------------------------------------------------------------*/ 946static int 947ugen_re_enumerate(struct usb_fifo *f) 948{ 949 struct usb_device *udev = f->udev; 950 int error; 951 952 /* 953 * This request can be useful for testing USB drivers: 954 */ 955 error = priv_check(curthread, PRIV_DRIVER); 956 if (error) { 957 return (error); 958 } 959 if (udev->flags.usb_mode != USB_MODE_HOST) { 960 /* not possible in device side mode */ 961 DPRINTFN(6, "device mode\n"); 962 return (ENOTTY); 963 } 964 if (udev->parent_hub == NULL) { 965 /* the root HUB cannot be re-enumerated */ 966 DPRINTFN(6, "cannot reset root HUB\n"); 967 return (EINVAL); 968 } 969 /* make sure all FIFO's are gone */ 970 /* else there can be a deadlock */ 971 if (ugen_fs_uninit(f)) { 972 /* ignore any errors */ 973 DPRINTFN(6, "no FIFOs\n"); 974 } 975 /* start re-enumeration of device */ 976 usbd_start_re_enumerate(udev); 977 return (0); 978} 979 980int 981ugen_fs_uninit(struct usb_fifo *f) 982{ 983 if (f->fs_xfer == NULL) { 984 return (EINVAL); 985 } 986 usbd_transfer_unsetup(f->fs_xfer, f->fs_ep_max); 987 free(f->fs_xfer, M_USB); 988 f->fs_xfer = NULL; 989 f->fs_ep_max = 0; 990 f->fs_ep_ptr = NULL; 991 f->flag_iscomplete = 0; 992 usb_fifo_free_buffer(f); 993 return (0); 994} 995 996static uint8_t 997ugen_fs_get_complete(struct usb_fifo *f, uint8_t *pindex) 998{ 999 struct usb_mbuf *m; 1000 1001 USB_IF_DEQUEUE(&f->used_q, m); 1002 1003 if (m) { 1004 *pindex = *((uint8_t *)(m->cur_data_ptr)); 1005 1006 USB_IF_ENQUEUE(&f->free_q, m); 1007 1008 return (0); /* success */ 1009 } else { 1010 1011 *pindex = 0; /* fix compiler warning */ 1012 1013 f->flag_iscomplete = 0; 1014 } 1015 return (1); /* failure */ 1016} 1017 1018static void 1019ugen_fs_set_complete(struct usb_fifo *f, uint8_t index) 1020{ 1021 struct usb_mbuf *m; 1022 1023 USB_IF_DEQUEUE(&f->free_q, m); 1024 1025 if (m == NULL) { 1026 /* can happen during close */ 1027 DPRINTF("out of buffers\n"); 1028 return; 1029 } 1030 USB_MBUF_RESET(m); 1031 1032 *((uint8_t *)(m->cur_data_ptr)) = index; 1033 1034 USB_IF_ENQUEUE(&f->used_q, m); 1035 1036 f->flag_iscomplete = 1; 1037 1038 usb_fifo_wakeup(f); 1039} 1040 1041static int 1042ugen_fs_copy_in(struct usb_fifo *f, uint8_t ep_index) 1043{ 1044 struct usb_device_request *req; 1045 struct usb_xfer *xfer; 1046 struct usb_fs_endpoint fs_ep; 1047 void *uaddr; /* userland pointer */ 1048 void *kaddr; 1049 usb_frlength_t offset; 1050 usb_frlength_t rem; 1051 usb_frcount_t n; 1052 uint32_t length; 1053 int error; 1054 uint8_t isread; 1055 1056 if (ep_index >= f->fs_ep_max) { 1057 return (EINVAL); 1058 } 1059 xfer = f->fs_xfer[ep_index]; 1060 if (xfer == NULL) { 1061 return (EINVAL); 1062 } 1063 mtx_lock(f->priv_mtx); 1064 if (usbd_transfer_pending(xfer)) { 1065 mtx_unlock(f->priv_mtx); 1066 return (EBUSY); /* should not happen */ 1067 } 1068 mtx_unlock(f->priv_mtx); 1069 1070 error = copyin(f->fs_ep_ptr + 1071 ep_index, &fs_ep, sizeof(fs_ep)); 1072 if (error) { 1073 return (error); 1074 } 1075 /* security checks */ 1076 1077 if (fs_ep.nFrames > xfer->max_frame_count) { 1078 xfer->error = USB_ERR_INVAL; 1079 goto complete; 1080 } 1081 if (fs_ep.nFrames == 0) { 1082 xfer->error = USB_ERR_INVAL; 1083 goto complete; 1084 } 1085 error = copyin(fs_ep.ppBuffer, 1086 &uaddr, sizeof(uaddr)); 1087 if (error) { 1088 return (error); 1089 } 1090 /* reset first frame */ 1091 usbd_xfer_set_frame_offset(xfer, 0, 0); 1092 1093 if (xfer->flags_int.control_xfr) { 1094 1095 req = xfer->frbuffers[0].buffer; 1096 1097 error = copyin(fs_ep.pLength, 1098 &length, sizeof(length)); 1099 if (error) { 1100 return (error); 1101 } 1102 if (length != sizeof(*req)) { 1103 xfer->error = USB_ERR_INVAL; 1104 goto complete; 1105 } 1106 if (length != 0) { 1107 error = copyin(uaddr, req, length); 1108 if (error) { 1109 return (error); 1110 } 1111 } 1112 if (ugen_check_request(f->udev, req)) { 1113 xfer->error = USB_ERR_INVAL; 1114 goto complete; 1115 } 1116 usbd_xfer_set_frame_len(xfer, 0, length); 1117 1118 /* Host mode only ! */ 1119 if ((req->bmRequestType & 1120 (UT_READ | UT_WRITE)) == UT_READ) { 1121 isread = 1; 1122 } else { 1123 isread = 0; 1124 } 1125 n = 1; 1126 offset = sizeof(*req); 1127 1128 } else { 1129 /* Device and Host mode */ 1130 if (USB_GET_DATA_ISREAD(xfer)) { 1131 isread = 1; 1132 } else { 1133 isread = 0; 1134 } 1135 n = 0; 1136 offset = 0; 1137 } 1138 1139 rem = usbd_xfer_max_len(xfer); 1140 xfer->nframes = fs_ep.nFrames; 1141 xfer->timeout = fs_ep.timeout; 1142 if (xfer->timeout > 65535) { 1143 xfer->timeout = 65535; 1144 } 1145 if (fs_ep.flags & USB_FS_FLAG_SINGLE_SHORT_OK) 1146 xfer->flags.short_xfer_ok = 1; 1147 else 1148 xfer->flags.short_xfer_ok = 0; 1149 1150 if (fs_ep.flags & USB_FS_FLAG_MULTI_SHORT_OK) 1151 xfer->flags.short_frames_ok = 1; 1152 else 1153 xfer->flags.short_frames_ok = 0; 1154 1155 if (fs_ep.flags & USB_FS_FLAG_FORCE_SHORT) 1156 xfer->flags.force_short_xfer = 1; 1157 else 1158 xfer->flags.force_short_xfer = 0; 1159 1160 if (fs_ep.flags & USB_FS_FLAG_CLEAR_STALL) 1161 usbd_xfer_set_stall(xfer); 1162 else 1163 xfer->flags.stall_pipe = 0; 1164 1165 for (; n != xfer->nframes; n++) { 1166 1167 error = copyin(fs_ep.pLength + n, 1168 &length, sizeof(length)); 1169 if (error) { 1170 break; 1171 } 1172 usbd_xfer_set_frame_len(xfer, n, length); 1173 1174 if (length > rem) { 1175 xfer->error = USB_ERR_INVAL; 1176 goto complete; 1177 } 1178 rem -= length; 1179 1180 if (!isread) { 1181 1182 /* we need to know the source buffer */ 1183 error = copyin(fs_ep.ppBuffer + n, 1184 &uaddr, sizeof(uaddr)); 1185 if (error) { 1186 break; 1187 } 1188 if (xfer->flags_int.isochronous_xfr) { 1189 /* get kernel buffer address */ 1190 kaddr = xfer->frbuffers[0].buffer; 1191 kaddr = USB_ADD_BYTES(kaddr, offset); 1192 } else { 1193 /* set current frame offset */ 1194 usbd_xfer_set_frame_offset(xfer, offset, n); 1195 1196 /* get kernel buffer address */ 1197 kaddr = xfer->frbuffers[n].buffer; 1198 } 1199 1200 /* move data */ 1201 error = copyin(uaddr, kaddr, length); 1202 if (error) { 1203 break; 1204 } 1205 } 1206 offset += length; 1207 } 1208 return (error); 1209 1210complete: 1211 mtx_lock(f->priv_mtx); 1212 ugen_fs_set_complete(f, ep_index); 1213 mtx_unlock(f->priv_mtx); 1214 return (0); 1215} 1216 1217static int 1218ugen_fs_copy_out(struct usb_fifo *f, uint8_t ep_index) 1219{ 1220 struct usb_device_request *req; 1221 struct usb_xfer *xfer; 1222 struct usb_fs_endpoint fs_ep; 1223 struct usb_fs_endpoint *fs_ep_uptr; /* userland ptr */ 1224 void *uaddr; /* userland ptr */ 1225 void *kaddr; 1226 usb_frlength_t offset; 1227 usb_frlength_t rem; 1228 usb_frcount_t n; 1229 uint32_t length; 1230 uint32_t temp; 1231 int error; 1232 uint8_t isread; 1233 1234 if (ep_index >= f->fs_ep_max) 1235 return (EINVAL); 1236 1237 xfer = f->fs_xfer[ep_index]; 1238 if (xfer == NULL) 1239 return (EINVAL); 1240 1241 mtx_lock(f->priv_mtx); 1242 if (usbd_transfer_pending(xfer)) { 1243 mtx_unlock(f->priv_mtx); 1244 return (EBUSY); /* should not happen */ 1245 } 1246 mtx_unlock(f->priv_mtx); 1247 1248 fs_ep_uptr = f->fs_ep_ptr + ep_index; 1249 error = copyin(fs_ep_uptr, &fs_ep, sizeof(fs_ep)); 1250 if (error) { 1251 return (error); 1252 } 1253 fs_ep.status = xfer->error; 1254 fs_ep.aFrames = xfer->aframes; 1255 fs_ep.isoc_time_complete = xfer->isoc_time_complete; 1256 if (xfer->error) { 1257 goto complete; 1258 } 1259 if (xfer->flags_int.control_xfr) { 1260 req = xfer->frbuffers[0].buffer; 1261 1262 /* Host mode only ! */ 1263 if ((req->bmRequestType & (UT_READ | UT_WRITE)) == UT_READ) { 1264 isread = 1; 1265 } else { 1266 isread = 0; 1267 } 1268 if (xfer->nframes == 0) 1269 n = 0; /* should never happen */ 1270 else 1271 n = 1; 1272 } else { 1273 /* Device and Host mode */ 1274 if (USB_GET_DATA_ISREAD(xfer)) { 1275 isread = 1; 1276 } else { 1277 isread = 0; 1278 } 1279 n = 0; 1280 } 1281 1282 /* Update lengths and copy out data */ 1283 1284 rem = usbd_xfer_max_len(xfer); 1285 offset = 0; 1286 1287 for (; n != xfer->nframes; n++) { 1288 1289 /* get initial length into "temp" */ 1290 error = copyin(fs_ep.pLength + n, 1291 &temp, sizeof(temp)); 1292 if (error) { 1293 return (error); 1294 } 1295 if (temp > rem) { 1296 /* the userland length has been corrupted */ 1297 DPRINTF("corrupt userland length " 1298 "%u > %u\n", temp, rem); 1299 fs_ep.status = USB_ERR_INVAL; 1300 goto complete; 1301 } 1302 rem -= temp; 1303 1304 /* get actual transfer length */ 1305 length = xfer->frlengths[n]; 1306 if (length > temp) { 1307 /* data overflow */ 1308 fs_ep.status = USB_ERR_INVAL; 1309 DPRINTF("data overflow %u > %u\n", 1310 length, temp); 1311 goto complete; 1312 } 1313 if (isread) { 1314 1315 /* we need to know the destination buffer */ 1316 error = copyin(fs_ep.ppBuffer + n, 1317 &uaddr, sizeof(uaddr)); 1318 if (error) { 1319 return (error); 1320 } 1321 if (xfer->flags_int.isochronous_xfr) { 1322 /* only one frame buffer */ 1323 kaddr = USB_ADD_BYTES( 1324 xfer->frbuffers[0].buffer, offset); 1325 } else { 1326 /* multiple frame buffers */ 1327 kaddr = xfer->frbuffers[n].buffer; 1328 } 1329 1330 /* move data */ 1331 error = copyout(kaddr, uaddr, length); 1332 if (error) { 1333 return (error); 1334 } 1335 } 1336 /* 1337 * Update offset according to initial length, which is 1338 * needed by isochronous transfers! 1339 */ 1340 offset += temp; 1341 1342 /* update length */ 1343 error = copyout(&length, 1344 fs_ep.pLength + n, sizeof(length)); 1345 if (error) { 1346 return (error); 1347 } 1348 } 1349 1350complete: 1351 /* update "aFrames" */ 1352 error = copyout(&fs_ep.aFrames, &fs_ep_uptr->aFrames, 1353 sizeof(fs_ep.aFrames)); 1354 if (error) 1355 goto done; 1356 1357 /* update "isoc_time_complete" */ 1358 error = copyout(&fs_ep.isoc_time_complete, 1359 &fs_ep_uptr->isoc_time_complete, 1360 sizeof(fs_ep.isoc_time_complete)); 1361 if (error) 1362 goto done; 1363 /* update "status" */ 1364 error = copyout(&fs_ep.status, &fs_ep_uptr->status, 1365 sizeof(fs_ep.status)); 1366done: 1367 return (error); 1368} 1369 1370static uint8_t 1371ugen_fifo_in_use(struct usb_fifo *f, int fflags) 1372{ 1373 struct usb_fifo *f_rx; 1374 struct usb_fifo *f_tx; 1375 1376 f_rx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_RX]; 1377 f_tx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_TX]; 1378 1379 if ((fflags & FREAD) && f_rx && 1380 (f_rx->xfer[0] || f_rx->xfer[1])) { 1381 return (1); /* RX FIFO in use */ 1382 } 1383 if ((fflags & FWRITE) && f_tx && 1384 (f_tx->xfer[0] || f_tx->xfer[1])) { 1385 return (1); /* TX FIFO in use */ 1386 } 1387 return (0); /* not in use */ 1388} 1389 1390static int 1391ugen_ioctl(struct usb_fifo *f, u_long cmd, void *addr, int fflags) 1392{ 1393 struct usb_config usb_config[1]; 1394 struct usb_device_request req; 1395 union { 1396 struct usb_fs_complete *pcomp; 1397 struct usb_fs_start *pstart; 1398 struct usb_fs_stop *pstop; 1399 struct usb_fs_open *popen; 1400 struct usb_fs_close *pclose; 1401 struct usb_fs_clear_stall_sync *pstall; 1402 void *addr; 1403 } u; 1404 struct usb_endpoint *ep; 1405 struct usb_endpoint_descriptor *ed; 1406 struct usb_xfer *xfer; 1407 int error = 0; 1408 uint8_t iface_index; 1409 uint8_t isread; 1410 uint8_t ep_index; 1411 uint8_t pre_scale; 1412 1413 u.addr = addr; 1414 1415 DPRINTFN(6, "cmd=0x%08lx\n", cmd); 1416 1417 switch (cmd) { 1418 case USB_FS_COMPLETE: 1419 mtx_lock(f->priv_mtx); 1420 error = ugen_fs_get_complete(f, &ep_index); 1421 mtx_unlock(f->priv_mtx); 1422 1423 if (error) { 1424 error = EBUSY; 1425 break; 1426 } 1427 u.pcomp->ep_index = ep_index; 1428 error = ugen_fs_copy_out(f, u.pcomp->ep_index); 1429 break; 1430 1431 case USB_FS_START: 1432 error = ugen_fs_copy_in(f, u.pstart->ep_index); 1433 if (error) 1434 break; 1435 mtx_lock(f->priv_mtx); 1436 xfer = f->fs_xfer[u.pstart->ep_index]; 1437 usbd_transfer_start(xfer); 1438 mtx_unlock(f->priv_mtx); 1439 break; 1440 1441 case USB_FS_STOP: 1442 if (u.pstop->ep_index >= f->fs_ep_max) { 1443 error = EINVAL; 1444 break; 1445 } 1446 mtx_lock(f->priv_mtx); 1447 xfer = f->fs_xfer[u.pstart->ep_index]; 1448 if (usbd_transfer_pending(xfer)) { 1449 usbd_transfer_stop(xfer); 1450 /* 1451 * Check if the USB transfer was stopped 1452 * before it was even started. Else a cancel 1453 * callback will be pending. 1454 */ 1455 if (!xfer->flags_int.transferring) { 1456 ugen_fs_set_complete(xfer->priv_sc, 1457 USB_P2U(xfer->priv_fifo)); 1458 } 1459 } 1460 mtx_unlock(f->priv_mtx); 1461 break; 1462 1463 case USB_FS_OPEN: 1464 if (u.popen->ep_index >= f->fs_ep_max) { 1465 error = EINVAL; 1466 break; 1467 } 1468 if (f->fs_xfer[u.popen->ep_index] != NULL) { 1469 error = EBUSY; 1470 break; 1471 } 1472 if (u.popen->max_bufsize > USB_FS_MAX_BUFSIZE) { 1473 u.popen->max_bufsize = USB_FS_MAX_BUFSIZE; 1474 } 1475 if (u.popen->max_frames & USB_FS_MAX_FRAMES_PRE_SCALE) { 1476 pre_scale = 1; 1477 u.popen->max_frames &= ~USB_FS_MAX_FRAMES_PRE_SCALE; 1478 } else { 1479 pre_scale = 0; 1480 } 1481 if (u.popen->max_frames > USB_FS_MAX_FRAMES) { 1482 u.popen->max_frames = USB_FS_MAX_FRAMES; 1483 break; 1484 } 1485 if (u.popen->max_frames == 0) { 1486 error = EINVAL; 1487 break; 1488 } 1489 ep = usbd_get_ep_by_addr(f->udev, u.popen->ep_no); 1490 if (ep == NULL) { 1491 error = EINVAL; 1492 break; 1493 } 1494 ed = ep->edesc; 1495 if (ed == NULL) { 1496 error = ENXIO; 1497 break; 1498 } 1499 iface_index = ep->iface_index; 1500 1501 memset(usb_config, 0, sizeof(usb_config)); 1502 1503 usb_config[0].type = ed->bmAttributes & UE_XFERTYPE; 1504 usb_config[0].endpoint = ed->bEndpointAddress & UE_ADDR; 1505 usb_config[0].direction = ed->bEndpointAddress & (UE_DIR_OUT | UE_DIR_IN); 1506 usb_config[0].interval = USB_DEFAULT_INTERVAL; 1507 usb_config[0].flags.proxy_buffer = 1; 1508 if (pre_scale != 0) 1509 usb_config[0].flags.pre_scale_frames = 1; 1510 usb_config[0].callback = &ugen_ctrl_fs_callback; 1511 usb_config[0].timeout = 0; /* no timeout */ 1512 usb_config[0].frames = u.popen->max_frames; 1513 usb_config[0].bufsize = u.popen->max_bufsize; 1514 usb_config[0].usb_mode = USB_MODE_DUAL; /* both modes */ 1515 1516 if (usb_config[0].type == UE_CONTROL) { 1517 if (f->udev->flags.usb_mode != USB_MODE_HOST) { 1518 error = EINVAL; 1519 break; 1520 } 1521 } else { 1522 1523 isread = ((usb_config[0].endpoint & 1524 (UE_DIR_IN | UE_DIR_OUT)) == UE_DIR_IN); 1525 1526 if (f->udev->flags.usb_mode != USB_MODE_HOST) { 1527 isread = !isread; 1528 } 1529 /* check permissions */ 1530 if (isread) { 1531 if (!(fflags & FREAD)) { 1532 error = EPERM; 1533 break; 1534 } 1535 } else { 1536 if (!(fflags & FWRITE)) { 1537 error = EPERM; 1538 break; 1539 } 1540 } 1541 } 1542 error = usbd_transfer_setup(f->udev, &iface_index, 1543 f->fs_xfer + u.popen->ep_index, usb_config, 1, 1544 f, f->priv_mtx); 1545 if (error == 0) { 1546 /* update maximums */ 1547 u.popen->max_packet_length = 1548 f->fs_xfer[u.popen->ep_index]->max_frame_size; 1549 u.popen->max_bufsize = 1550 f->fs_xfer[u.popen->ep_index]->max_data_length; 1551 /* update number of frames */ 1552 u.popen->max_frames = 1553 f->fs_xfer[u.popen->ep_index]->nframes; 1554 /* store index of endpoint */ 1555 f->fs_xfer[u.popen->ep_index]->priv_fifo = 1556 ((uint8_t *)0) + u.popen->ep_index; 1557 } else { 1558 error = ENOMEM; 1559 } 1560 break; 1561 1562 case USB_FS_CLOSE: 1563 if (u.pclose->ep_index >= f->fs_ep_max) { 1564 error = EINVAL; 1565 break; 1566 } 1567 if (f->fs_xfer[u.pclose->ep_index] == NULL) { 1568 error = EINVAL; 1569 break; 1570 } 1571 usbd_transfer_unsetup(f->fs_xfer + u.pclose->ep_index, 1); 1572 break; 1573 1574 case USB_FS_CLEAR_STALL_SYNC: 1575 if (u.pstall->ep_index >= f->fs_ep_max) { 1576 error = EINVAL; 1577 break; 1578 } 1579 if (f->fs_xfer[u.pstall->ep_index] == NULL) { 1580 error = EINVAL; 1581 break; 1582 } 1583 if (f->udev->flags.usb_mode != USB_MODE_HOST) { 1584 error = EINVAL; 1585 break; 1586 } 1587 mtx_lock(f->priv_mtx); 1588 error = usbd_transfer_pending(f->fs_xfer[u.pstall->ep_index]); 1589 mtx_unlock(f->priv_mtx); 1590 1591 if (error) { 1592 return (EBUSY); 1593 } 1594 ep = f->fs_xfer[u.pstall->ep_index]->endpoint; 1595 1596 /* setup a clear-stall packet */ 1597 req.bmRequestType = UT_WRITE_ENDPOINT; 1598 req.bRequest = UR_CLEAR_FEATURE; 1599 USETW(req.wValue, UF_ENDPOINT_HALT); 1600 req.wIndex[0] = ep->edesc->bEndpointAddress; 1601 req.wIndex[1] = 0; 1602 USETW(req.wLength, 0); 1603 1604 error = usbd_do_request(f->udev, NULL, &req, NULL); 1605 if (error == 0) { 1606 usbd_clear_data_toggle(f->udev, ep); 1607 } else { 1608 error = ENXIO; 1609 } 1610 break; 1611 1612 default: 1613 error = ENOIOCTL; 1614 break; 1615 } 1616 1617 DPRINTFN(6, "error=%d\n", error); 1618 1619 return (error); 1620} 1621 1622static int 1623ugen_set_short_xfer(struct usb_fifo *f, void *addr) 1624{ 1625 uint8_t t; 1626 1627 if (*(int *)addr) 1628 t = 1; 1629 else 1630 t = 0; 1631 1632 if (f->flag_short == t) { 1633 /* same value like before - accept */ 1634 return (0); 1635 } 1636 if (f->xfer[0] || f->xfer[1]) { 1637 /* cannot change this during transfer */ 1638 return (EBUSY); 1639 } 1640 f->flag_short = t; 1641 return (0); 1642} 1643 1644static int 1645ugen_set_timeout(struct usb_fifo *f, void *addr) 1646{ 1647 f->timeout = *(int *)addr; 1648 if (f->timeout > 65535) { 1649 /* limit user input */ 1650 f->timeout = 65535; 1651 } 1652 return (0); 1653} 1654 1655static int 1656ugen_get_frame_size(struct usb_fifo *f, void *addr) 1657{ 1658 if (f->xfer[0]) { 1659 *(int *)addr = f->xfer[0]->max_frame_size; 1660 } else { 1661 return (EINVAL); 1662 } 1663 return (0); 1664} 1665 1666static int 1667ugen_set_buffer_size(struct usb_fifo *f, void *addr) 1668{ 1669 usb_frlength_t t; 1670 1671 if (*(int *)addr < 0) 1672 t = 0; /* use "wMaxPacketSize" */ 1673 else if (*(int *)addr < (256 * 1024)) 1674 t = *(int *)addr; 1675 else 1676 t = 256 * 1024; 1677 1678 if (f->bufsize == t) { 1679 /* same value like before - accept */ 1680 return (0); 1681 } 1682 if (f->xfer[0] || f->xfer[1]) { 1683 /* cannot change this during transfer */ 1684 return (EBUSY); 1685 } 1686 f->bufsize = t; 1687 return (0); 1688} 1689 1690static int 1691ugen_get_buffer_size(struct usb_fifo *f, void *addr) 1692{ 1693 *(int *)addr = f->bufsize; 1694 return (0); 1695} 1696 1697static int 1698ugen_get_iface_desc(struct usb_fifo *f, 1699 struct usb_interface_descriptor *idesc) 1700{ 1701 struct usb_interface *iface; 1702 1703 iface = usbd_get_iface(f->udev, f->iface_index); 1704 if (iface && iface->idesc) { 1705 *idesc = *(iface->idesc); 1706 } else { 1707 return (EIO); 1708 } 1709 return (0); 1710} 1711 1712static int 1713ugen_get_endpoint_desc(struct usb_fifo *f, 1714 struct usb_endpoint_descriptor *ed) 1715{ 1716 struct usb_endpoint *ep; 1717 1718 ep = usb_fifo_softc(f); 1719 1720 if (ep && ep->edesc) { 1721 *ed = *ep->edesc; 1722 } else { 1723 return (EINVAL); 1724 } 1725 return (0); 1726} 1727 1728static int 1729ugen_set_power_mode(struct usb_fifo *f, int mode) 1730{ 1731 struct usb_device *udev = f->udev; 1732 int err; 1733 uint8_t old_mode; 1734 1735 if ((udev == NULL) || 1736 (udev->parent_hub == NULL)) { 1737 return (EINVAL); 1738 } 1739 err = priv_check(curthread, PRIV_DRIVER); 1740 if (err) 1741 return (err); 1742 1743 /* get old power mode */ 1744 old_mode = udev->power_mode; 1745 1746 /* if no change, then just return */ 1747 if (old_mode == mode) 1748 return (0); 1749 1750 switch (mode) { 1751 case USB_POWER_MODE_OFF: 1752 if (udev->flags.usb_mode == USB_MODE_HOST && 1753 udev->re_enumerate_wait == USB_RE_ENUM_DONE) { 1754 udev->re_enumerate_wait = USB_RE_ENUM_PWR_OFF; 1755 } 1756 /* set power mode will wake up the explore thread */ 1757 break; 1758 1759 case USB_POWER_MODE_ON: 1760 case USB_POWER_MODE_SAVE: 1761 break; 1762 1763 case USB_POWER_MODE_RESUME: 1764#if USB_HAVE_POWERD 1765 /* let USB-powerd handle resume */ 1766 USB_BUS_LOCK(udev->bus); 1767 udev->pwr_save.write_refs++; 1768 udev->pwr_save.last_xfer_time = ticks; 1769 USB_BUS_UNLOCK(udev->bus); 1770 1771 /* set new power mode */ 1772 usbd_set_power_mode(udev, USB_POWER_MODE_SAVE); 1773 1774 /* wait for resume to complete */ 1775 usb_pause_mtx(NULL, hz / 4); 1776 1777 /* clear write reference */ 1778 USB_BUS_LOCK(udev->bus); 1779 udev->pwr_save.write_refs--; 1780 USB_BUS_UNLOCK(udev->bus); 1781#endif 1782 mode = USB_POWER_MODE_SAVE; 1783 break; 1784 1785 case USB_POWER_MODE_SUSPEND: 1786#if USB_HAVE_POWERD 1787 /* let USB-powerd handle suspend */ 1788 USB_BUS_LOCK(udev->bus); 1789 udev->pwr_save.last_xfer_time = ticks - (256 * hz); 1790 USB_BUS_UNLOCK(udev->bus); 1791#endif 1792 mode = USB_POWER_MODE_SAVE; 1793 break; 1794 1795 default: 1796 return (EINVAL); 1797 } 1798 1799 if (err) 1800 return (ENXIO); /* I/O failure */ 1801 1802 /* if we are powered off we need to re-enumerate first */ 1803 if (old_mode == USB_POWER_MODE_OFF) { 1804 if (udev->flags.usb_mode == USB_MODE_HOST && 1805 udev->re_enumerate_wait == USB_RE_ENUM_DONE) { 1806 udev->re_enumerate_wait = USB_RE_ENUM_START; 1807 } 1808 /* set power mode will wake up the explore thread */ 1809 } 1810 1811 /* set new power mode */ 1812 usbd_set_power_mode(udev, mode); 1813 1814 return (0); /* success */ 1815} 1816 1817static int 1818ugen_get_power_mode(struct usb_fifo *f) 1819{ 1820 struct usb_device *udev = f->udev; 1821 1822 if (udev == NULL) 1823 return (USB_POWER_MODE_ON); 1824 1825 return (udev->power_mode); 1826} 1827 1828static int 1829ugen_get_port_path(struct usb_fifo *f, struct usb_device_port_path *dpp) 1830{ 1831 struct usb_device *udev = f->udev; 1832 struct usb_device *next; 1833 unsigned int nlevel = 0; 1834 1835 if (udev == NULL) 1836 goto error; 1837 1838 dpp->udp_bus = device_get_unit(udev->bus->bdev); 1839 dpp->udp_index = udev->device_index; 1840 1841 /* count port levels */ 1842 next = udev; 1843 while (next->parent_hub != NULL) { 1844 nlevel++; 1845 next = next->parent_hub; 1846 } 1847 1848 /* check if too many levels */ 1849 if (nlevel > USB_DEVICE_PORT_PATH_MAX) 1850 goto error; 1851 1852 /* store port index array */ 1853 next = udev; 1854 while (next->parent_hub != NULL) { 1855 nlevel--; 1856 1857 dpp->udp_port_no[nlevel] = next->port_no; 1858 dpp->udp_port_level = nlevel; 1859 1860 next = next->parent_hub; 1861 } 1862 return (0); /* success */ 1863 1864error: 1865 return (EINVAL); /* failure */ 1866} 1867 1868static int 1869ugen_get_power_usage(struct usb_fifo *f) 1870{ 1871 struct usb_device *udev = f->udev; 1872 1873 if (udev == NULL) 1874 return (0); 1875 1876 return (udev->power); 1877} 1878 1879static int 1880ugen_do_port_feature(struct usb_fifo *f, uint8_t port_no, 1881 uint8_t set, uint16_t feature) 1882{ 1883 struct usb_device *udev = f->udev; 1884 struct usb_hub *hub; 1885 int err; 1886 1887 err = priv_check(curthread, PRIV_DRIVER); 1888 if (err) { 1889 return (err); 1890 } 1891 if (port_no == 0) { 1892 return (EINVAL); 1893 } 1894 if ((udev == NULL) || 1895 (udev->hub == NULL)) { 1896 return (EINVAL); 1897 } 1898 hub = udev->hub; 1899 1900 if (port_no > hub->nports) { 1901 return (EINVAL); 1902 } 1903 if (set) 1904 err = usbd_req_set_port_feature(udev, 1905 NULL, port_no, feature); 1906 else 1907 err = usbd_req_clear_port_feature(udev, 1908 NULL, port_no, feature); 1909 1910 if (err) 1911 return (ENXIO); /* failure */ 1912 1913 return (0); /* success */ 1914} 1915 1916static int 1917ugen_iface_ioctl(struct usb_fifo *f, u_long cmd, void *addr, int fflags) 1918{ 1919 struct usb_fifo *f_rx; 1920 struct usb_fifo *f_tx; 1921 int error = 0; 1922 1923 f_rx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_RX]; 1924 f_tx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_TX]; 1925 1926 switch (cmd) { 1927 case USB_SET_RX_SHORT_XFER: 1928 if (fflags & FREAD) { 1929 error = ugen_set_short_xfer(f_rx, addr); 1930 } else { 1931 error = EINVAL; 1932 } 1933 break; 1934 1935 case USB_SET_TX_FORCE_SHORT: 1936 if (fflags & FWRITE) { 1937 error = ugen_set_short_xfer(f_tx, addr); 1938 } else { 1939 error = EINVAL; 1940 } 1941 break; 1942 1943 case USB_SET_RX_TIMEOUT: 1944 if (fflags & FREAD) { 1945 error = ugen_set_timeout(f_rx, addr); 1946 } else { 1947 error = EINVAL; 1948 } 1949 break; 1950 1951 case USB_SET_TX_TIMEOUT: 1952 if (fflags & FWRITE) { 1953 error = ugen_set_timeout(f_tx, addr); 1954 } else { 1955 error = EINVAL; 1956 } 1957 break; 1958 1959 case USB_GET_RX_FRAME_SIZE: 1960 if (fflags & FREAD) { 1961 error = ugen_get_frame_size(f_rx, addr); 1962 } else { 1963 error = EINVAL; 1964 } 1965 break; 1966 1967 case USB_GET_TX_FRAME_SIZE: 1968 if (fflags & FWRITE) { 1969 error = ugen_get_frame_size(f_tx, addr); 1970 } else { 1971 error = EINVAL; 1972 } 1973 break; 1974 1975 case USB_SET_RX_BUFFER_SIZE: 1976 if (fflags & FREAD) { 1977 error = ugen_set_buffer_size(f_rx, addr); 1978 } else { 1979 error = EINVAL; 1980 } 1981 break; 1982 1983 case USB_SET_TX_BUFFER_SIZE: 1984 if (fflags & FWRITE) { 1985 error = ugen_set_buffer_size(f_tx, addr); 1986 } else { 1987 error = EINVAL; 1988 } 1989 break; 1990 1991 case USB_GET_RX_BUFFER_SIZE: 1992 if (fflags & FREAD) { 1993 error = ugen_get_buffer_size(f_rx, addr); 1994 } else { 1995 error = EINVAL; 1996 } 1997 break; 1998 1999 case USB_GET_TX_BUFFER_SIZE: 2000 if (fflags & FWRITE) { 2001 error = ugen_get_buffer_size(f_tx, addr); 2002 } else { 2003 error = EINVAL; 2004 } 2005 break; 2006 2007 case USB_GET_RX_INTERFACE_DESC: 2008 if (fflags & FREAD) { 2009 error = ugen_get_iface_desc(f_rx, addr); 2010 } else { 2011 error = EINVAL; 2012 } 2013 break; 2014 2015 case USB_GET_TX_INTERFACE_DESC: 2016 if (fflags & FWRITE) { 2017 error = ugen_get_iface_desc(f_tx, addr); 2018 } else { 2019 error = EINVAL; 2020 } 2021 break; 2022 2023 case USB_GET_RX_ENDPOINT_DESC: 2024 if (fflags & FREAD) { 2025 error = ugen_get_endpoint_desc(f_rx, addr); 2026 } else { 2027 error = EINVAL; 2028 } 2029 break; 2030 2031 case USB_GET_TX_ENDPOINT_DESC: 2032 if (fflags & FWRITE) { 2033 error = ugen_get_endpoint_desc(f_tx, addr); 2034 } else { 2035 error = EINVAL; 2036 } 2037 break; 2038 2039 case USB_SET_RX_STALL_FLAG: 2040 if ((fflags & FREAD) && (*(int *)addr)) { 2041 f_rx->flag_stall = 1; 2042 } 2043 break; 2044 2045 case USB_SET_TX_STALL_FLAG: 2046 if ((fflags & FWRITE) && (*(int *)addr)) { 2047 f_tx->flag_stall = 1; 2048 } 2049 break; 2050 2051 default: 2052 error = ENOIOCTL; 2053 break; 2054 } 2055 return (error); 2056} 2057 2058static int 2059ugen_ioctl_post(struct usb_fifo *f, u_long cmd, void *addr, int fflags) 2060{ 2061 union { 2062 struct usb_interface_descriptor *idesc; 2063 struct usb_alt_interface *ai; 2064 struct usb_device_descriptor *ddesc; 2065 struct usb_config_descriptor *cdesc; 2066 struct usb_device_stats *stat; 2067 struct usb_fs_init *pinit; 2068 struct usb_fs_uninit *puninit; 2069 struct usb_device_port_path *dpp; 2070 uint32_t *ptime; 2071 void *addr; 2072 int *pint; 2073 } u; 2074 struct usb_device_descriptor *dtemp; 2075 struct usb_config_descriptor *ctemp; 2076 struct usb_interface *iface; 2077 int error = 0; 2078 uint8_t n; 2079 2080 u.addr = addr; 2081 2082 DPRINTFN(6, "cmd=0x%08lx\n", cmd); 2083 2084 switch (cmd) { 2085 case USB_DISCOVER: 2086 usb_needs_explore_all(); 2087 break; 2088 2089 case USB_SETDEBUG: 2090 if (!(fflags & FWRITE)) { 2091 error = EPERM; 2092 break; 2093 } 2094 usb_debug = *(int *)addr; 2095 break; 2096 2097 case USB_GET_CONFIG: 2098 *(int *)addr = f->udev->curr_config_index; 2099 break; 2100 2101 case USB_SET_CONFIG: 2102 if (!(fflags & FWRITE)) { 2103 error = EPERM; 2104 break; 2105 } 2106 error = ugen_set_config(f, *(int *)addr); 2107 break; 2108 2109 case USB_GET_ALTINTERFACE: 2110 iface = usbd_get_iface(f->udev, 2111 u.ai->uai_interface_index); 2112 if (iface && iface->idesc) { 2113 u.ai->uai_alt_index = iface->alt_index; 2114 } else { 2115 error = EINVAL; 2116 } 2117 break; 2118 2119 case USB_SET_ALTINTERFACE: 2120 if (!(fflags & FWRITE)) { 2121 error = EPERM; 2122 break; 2123 } 2124 error = ugen_set_interface(f, 2125 u.ai->uai_interface_index, u.ai->uai_alt_index); 2126 break; 2127 2128 case USB_GET_DEVICE_DESC: 2129 dtemp = usbd_get_device_descriptor(f->udev); 2130 if (!dtemp) { 2131 error = EIO; 2132 break; 2133 } 2134 *u.ddesc = *dtemp; 2135 break; 2136 2137 case USB_GET_CONFIG_DESC: 2138 ctemp = usbd_get_config_descriptor(f->udev); 2139 if (!ctemp) { 2140 error = EIO; 2141 break; 2142 } 2143 *u.cdesc = *ctemp; 2144 break; 2145 2146 case USB_GET_FULL_DESC: 2147 error = ugen_get_cdesc(f, addr); 2148 break; 2149 2150 case USB_GET_STRING_DESC: 2151 error = ugen_get_sdesc(f, addr); 2152 break; 2153 2154 case USB_GET_IFACE_DRIVER: 2155 error = ugen_get_iface_driver(f, addr); 2156 break; 2157 2158 case USB_REQUEST: 2159 case USB_DO_REQUEST: 2160 if (!(fflags & FWRITE)) { 2161 error = EPERM; 2162 break; 2163 } 2164 error = ugen_do_request(f, addr); 2165 break; 2166 2167 case USB_DEVICEINFO: 2168 case USB_GET_DEVICEINFO: 2169 error = usb_gen_fill_deviceinfo(f, addr); 2170 break; 2171 2172 case USB_DEVICESTATS: 2173 for (n = 0; n != 4; n++) { 2174 2175 u.stat->uds_requests_fail[n] = 2176 f->udev->bus->stats_err.uds_requests[n]; 2177 2178 u.stat->uds_requests_ok[n] = 2179 f->udev->bus->stats_ok.uds_requests[n]; 2180 } 2181 break; 2182 2183 case USB_DEVICEENUMERATE: 2184 error = ugen_re_enumerate(f); 2185 break; 2186 2187 case USB_GET_PLUGTIME: 2188 *u.ptime = f->udev->plugtime; 2189 break; 2190 2191 case USB_CLAIM_INTERFACE: 2192 case USB_RELEASE_INTERFACE: 2193 /* TODO */ 2194 break; 2195 2196 case USB_IFACE_DRIVER_ACTIVE: 2197 2198 n = *u.pint & 0xFF; 2199 2200 iface = usbd_get_iface(f->udev, n); 2201 2202 if (iface && iface->subdev) 2203 error = 0; 2204 else 2205 error = ENXIO; 2206 break; 2207 2208 case USB_IFACE_DRIVER_DETACH: 2209 2210 error = priv_check(curthread, PRIV_DRIVER); 2211 2212 if (error) 2213 break; 2214 2215 n = *u.pint & 0xFF; 2216 2217 if (n == USB_IFACE_INDEX_ANY) { 2218 error = EINVAL; 2219 break; 2220 } 2221 2222 /* 2223 * Detach the currently attached driver. 2224 */ 2225 usb_detach_device(f->udev, n, 0); 2226 2227 /* 2228 * Set parent to self, this should keep attach away 2229 * until the next set configuration event. 2230 */ 2231 usbd_set_parent_iface(f->udev, n, n); 2232 break; 2233 2234 case USB_SET_POWER_MODE: 2235 error = ugen_set_power_mode(f, *u.pint); 2236 break; 2237 2238 case USB_GET_POWER_MODE: 2239 *u.pint = ugen_get_power_mode(f); 2240 break; 2241 2242 case USB_GET_DEV_PORT_PATH: 2243 error = ugen_get_port_path(f, u.dpp); 2244 break; 2245 2246 case USB_GET_POWER_USAGE: 2247 *u.pint = ugen_get_power_usage(f); 2248 break; 2249 2250 case USB_SET_PORT_ENABLE: 2251 error = ugen_do_port_feature(f, 2252 *u.pint, 1, UHF_PORT_ENABLE); 2253 break; 2254 2255 case USB_SET_PORT_DISABLE: 2256 error = ugen_do_port_feature(f, 2257 *u.pint, 0, UHF_PORT_ENABLE); 2258 break; 2259 2260 case USB_FS_INIT: 2261 /* verify input parameters */ 2262 if (u.pinit->pEndpoints == NULL) { 2263 error = EINVAL; 2264 break; 2265 } 2266 if (u.pinit->ep_index_max > 127) { 2267 error = EINVAL; 2268 break; 2269 } 2270 if (u.pinit->ep_index_max == 0) { 2271 error = EINVAL; 2272 break; 2273 } 2274 if (f->fs_xfer != NULL) { 2275 error = EBUSY; 2276 break; 2277 } 2278 if (f->dev_ep_index != 0) { 2279 error = EINVAL; 2280 break; 2281 } 2282 if (ugen_fifo_in_use(f, fflags)) { 2283 error = EBUSY; 2284 break; 2285 } 2286 error = usb_fifo_alloc_buffer(f, 1, u.pinit->ep_index_max); 2287 if (error) { 2288 break; 2289 } 2290 f->fs_xfer = malloc(sizeof(f->fs_xfer[0]) * 2291 u.pinit->ep_index_max, M_USB, M_WAITOK | M_ZERO); 2292 if (f->fs_xfer == NULL) { 2293 usb_fifo_free_buffer(f); 2294 error = ENOMEM; 2295 break; 2296 } 2297 f->fs_ep_max = u.pinit->ep_index_max; 2298 f->fs_ep_ptr = u.pinit->pEndpoints; 2299 break; 2300 2301 case USB_FS_UNINIT: 2302 if (u.puninit->dummy != 0) { 2303 error = EINVAL; 2304 break; 2305 } 2306 error = ugen_fs_uninit(f); 2307 break; 2308 2309 default: 2310 mtx_lock(f->priv_mtx); 2311 error = ugen_iface_ioctl(f, cmd, addr, fflags); 2312 mtx_unlock(f->priv_mtx); 2313 break; 2314 } 2315 DPRINTFN(6, "error=%d\n", error); 2316 return (error); 2317} 2318 2319static void 2320ugen_ctrl_fs_callback(struct usb_xfer *xfer, usb_error_t error) 2321{ 2322 ; /* workaround for a bug in "indent" */ 2323 2324 DPRINTF("st=%u alen=%u aframes=%u\n", 2325 USB_GET_STATE(xfer), xfer->actlen, xfer->aframes); 2326 2327 switch (USB_GET_STATE(xfer)) { 2328 case USB_ST_SETUP: 2329 usbd_transfer_submit(xfer); 2330 break; 2331 default: 2332 ugen_fs_set_complete(xfer->priv_sc, USB_P2U(xfer->priv_fifo)); 2333 break; 2334 } 2335} 2336#endif /* USB_HAVE_UGEN */ 2337