1 /* $FreeBSD$ */ 2 /*- 3 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 4 * 5 * Copyright (c) 2008 Hans Petter Selasky. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #ifdef USB_GLOBAL_INCLUDE_FILE 30 #include USB_GLOBAL_INCLUDE_FILE 31 #else 32 #include <sys/stdint.h> 33 #include <sys/stddef.h> 34 #include <sys/param.h> 35 #include <sys/queue.h> 36 #include <sys/types.h> 37 #include <sys/systm.h> 38 #include <sys/kernel.h> 39 #include <sys/bus.h> 40 #include <sys/module.h> 41 #include <sys/lock.h> 42 #include <sys/mutex.h> 43 #include <sys/condvar.h> 44 #include <sys/sysctl.h> 45 #include <sys/sx.h> 46 #include <sys/unistd.h> 47 #include <sys/callout.h> 48 #include <sys/malloc.h> 49 #include <sys/priv.h> 50 #include <sys/conf.h> 51 #include <sys/fcntl.h> 52 53 #include <dev/usb/usb.h> 54 #include <dev/usb/usb_ioctl.h> 55 #include <dev/usb/usbdi.h> 56 #include <dev/usb/usbdi_util.h> 57 58 #define USB_DEBUG_VAR ugen_debug 59 60 #include <dev/usb/usb_core.h> 61 #include <dev/usb/usb_dev.h> 62 #include <dev/usb/usb_mbuf.h> 63 #include <dev/usb/usb_process.h> 64 #include <dev/usb/usb_device.h> 65 #include <dev/usb/usb_debug.h> 66 #include <dev/usb/usb_request.h> 67 #include <dev/usb/usb_busdma.h> 68 #include <dev/usb/usb_util.h> 69 #include <dev/usb/usb_hub.h> 70 #include <dev/usb/usb_generic.h> 71 #include <dev/usb/usb_transfer.h> 72 73 #include <dev/usb/usb_controller.h> 74 #include <dev/usb/usb_bus.h> 75 #endif /* USB_GLOBAL_INCLUDE_FILE */ 76 77 #if USB_HAVE_UGEN 78 79 /* defines */ 80 81 #define UGEN_BULK_FS_BUFFER_SIZE (64*32) /* bytes */ 82 #define UGEN_BULK_HS_BUFFER_SIZE (1024*32) /* bytes */ 83 #define UGEN_HW_FRAMES 50 /* number of milliseconds per transfer */ 84 85 /* function prototypes */ 86 87 static usb_callback_t ugen_read_clear_stall_callback; 88 static usb_callback_t ugen_write_clear_stall_callback; 89 static usb_callback_t ugen_ctrl_read_callback; 90 static usb_callback_t ugen_ctrl_write_callback; 91 static usb_callback_t ugen_isoc_read_callback; 92 static usb_callback_t ugen_isoc_write_callback; 93 static usb_callback_t ugen_ctrl_fs_callback; 94 95 static usb_fifo_open_t ugen_open; 96 static usb_fifo_close_t ugen_close; 97 static usb_fifo_ioctl_t ugen_ioctl; 98 static usb_fifo_ioctl_t ugen_ioctl_post; 99 static usb_fifo_cmd_t ugen_start_read; 100 static usb_fifo_cmd_t ugen_start_write; 101 static usb_fifo_cmd_t ugen_stop_io; 102 103 static int ugen_transfer_setup(struct usb_fifo *, 104 const struct usb_config *, uint8_t); 105 static int ugen_open_pipe_write(struct usb_fifo *); 106 static int ugen_open_pipe_read(struct usb_fifo *); 107 static int ugen_set_config(struct usb_fifo *, uint8_t); 108 static int ugen_set_interface(struct usb_fifo *, uint8_t, uint8_t); 109 static int ugen_get_cdesc(struct usb_fifo *, struct usb_gen_descriptor *); 110 static int ugen_get_sdesc(struct usb_fifo *, struct usb_gen_descriptor *); 111 static int ugen_get_iface_driver(struct usb_fifo *f, struct usb_gen_descriptor *ugd); 112 static int ugen_re_enumerate(struct usb_fifo *); 113 static int ugen_iface_ioctl(struct usb_fifo *, u_long, void *, int); 114 static uint8_t ugen_fs_get_complete(struct usb_fifo *, uint8_t *); 115 static int ugen_fs_uninit(struct usb_fifo *f); 116 117 /* structures */ 118 119 struct usb_fifo_methods usb_ugen_methods = { 120 .f_open = &ugen_open, 121 .f_close = &ugen_close, 122 .f_ioctl = &ugen_ioctl, 123 .f_ioctl_post = &ugen_ioctl_post, 124 .f_start_read = &ugen_start_read, 125 .f_stop_read = &ugen_stop_io, 126 .f_start_write = &ugen_start_write, 127 .f_stop_write = &ugen_stop_io, 128 }; 129 130 #ifdef USB_DEBUG 131 static int ugen_debug = 0; 132 133 static SYSCTL_NODE(_hw_usb, OID_AUTO, ugen, CTLFLAG_RW | CTLFLAG_MPSAFE, 0, 134 "USB generic"); 135 SYSCTL_INT(_hw_usb_ugen, OID_AUTO, debug, CTLFLAG_RWTUN, &ugen_debug, 136 0, "Debug level"); 137 #endif 138 139 /* prototypes */ 140 141 static int 142 ugen_transfer_setup(struct usb_fifo *f, 143 const struct usb_config *setup, uint8_t n_setup) 144 { 145 struct usb_endpoint *ep = usb_fifo_softc(f); 146 struct usb_device *udev = f->udev; 147 uint8_t iface_index = ep->iface_index; 148 int error; 149 150 mtx_unlock(f->priv_mtx); 151 152 /* 153 * "usbd_transfer_setup()" can sleep so one needs to make a wrapper, 154 * exiting the mutex and checking things 155 */ 156 error = usbd_transfer_setup(udev, &iface_index, f->xfer, 157 setup, n_setup, f, f->priv_mtx); 158 if (error == 0) { 159 if (f->xfer[0]->nframes == 1) { 160 error = usb_fifo_alloc_buffer(f, 161 f->xfer[0]->max_data_length, 2); 162 } else { 163 error = usb_fifo_alloc_buffer(f, 164 f->xfer[0]->max_frame_size, 165 2 * f->xfer[0]->nframes); 166 } 167 if (error) { 168 usbd_transfer_unsetup(f->xfer, n_setup); 169 } 170 } 171 mtx_lock(f->priv_mtx); 172 173 return (error); 174 } 175 176 static int 177 ugen_open(struct usb_fifo *f, int fflags) 178 { 179 struct usb_endpoint *ep = usb_fifo_softc(f); 180 struct usb_endpoint_descriptor *ed = ep->edesc; 181 uint8_t type; 182 183 DPRINTFN(1, "flag=0x%x pid=%d name=%s\n", fflags, 184 curthread->td_proc->p_pid, curthread->td_proc->p_comm); 185 186 mtx_lock(f->priv_mtx); 187 switch (usbd_get_speed(f->udev)) { 188 case USB_SPEED_LOW: 189 case USB_SPEED_FULL: 190 f->nframes = UGEN_HW_FRAMES; 191 f->bufsize = UGEN_BULK_FS_BUFFER_SIZE; 192 break; 193 default: 194 f->nframes = UGEN_HW_FRAMES * 8; 195 f->bufsize = UGEN_BULK_HS_BUFFER_SIZE; 196 break; 197 } 198 199 type = ed->bmAttributes & UE_XFERTYPE; 200 if (type == UE_INTERRUPT) { 201 f->bufsize = 0; /* use "wMaxPacketSize" */ 202 } 203 f->timeout = USB_NO_TIMEOUT; 204 f->flag_short = 0; 205 f->fifo_zlp = 0; 206 mtx_unlock(f->priv_mtx); 207 208 return (0); 209 } 210 211 static void 212 ugen_close(struct usb_fifo *f, int fflags) 213 { 214 215 DPRINTFN(1, "flag=0x%x pid=%d name=%s\n", fflags, 216 curthread->td_proc->p_pid, curthread->td_proc->p_comm); 217 218 /* cleanup */ 219 220 mtx_lock(f->priv_mtx); 221 usbd_transfer_stop(f->xfer[0]); 222 usbd_transfer_stop(f->xfer[1]); 223 mtx_unlock(f->priv_mtx); 224 225 usbd_transfer_unsetup(f->xfer, 2); 226 usb_fifo_free_buffer(f); 227 228 if (ugen_fs_uninit(f)) { 229 /* ignore any errors - we are closing */ 230 DPRINTFN(6, "no FIFOs\n"); 231 } 232 } 233 234 static int 235 ugen_open_pipe_write(struct usb_fifo *f) 236 { 237 struct usb_config usb_config[2]; 238 struct usb_endpoint *ep = usb_fifo_softc(f); 239 struct usb_endpoint_descriptor *ed = ep->edesc; 240 241 USB_MTX_ASSERT(f->priv_mtx, MA_OWNED); 242 243 if (f->xfer[0] || f->xfer[1]) { 244 /* transfers are already opened */ 245 return (0); 246 } 247 memset(usb_config, 0, sizeof(usb_config)); 248 249 usb_config[1].type = UE_CONTROL; 250 usb_config[1].endpoint = 0; 251 usb_config[1].direction = UE_DIR_ANY; 252 usb_config[1].timeout = 1000; /* 1 second */ 253 usb_config[1].interval = 50;/* 50 milliseconds */ 254 usb_config[1].bufsize = sizeof(struct usb_device_request); 255 usb_config[1].callback = &ugen_write_clear_stall_callback; 256 usb_config[1].usb_mode = USB_MODE_HOST; 257 258 usb_config[0].type = ed->bmAttributes & UE_XFERTYPE; 259 usb_config[0].endpoint = ed->bEndpointAddress & UE_ADDR; 260 usb_config[0].stream_id = 0; /* XXX support more stream ID's */ 261 usb_config[0].direction = UE_DIR_TX; 262 usb_config[0].interval = USB_DEFAULT_INTERVAL; 263 usb_config[0].flags.proxy_buffer = 1; 264 usb_config[0].usb_mode = USB_MODE_DUAL; /* both modes */ 265 266 switch (ed->bmAttributes & UE_XFERTYPE) { 267 case UE_INTERRUPT: 268 case UE_BULK: 269 if (f->flag_short) { 270 usb_config[0].flags.force_short_xfer = 1; 271 } 272 usb_config[0].callback = &ugen_ctrl_write_callback; 273 usb_config[0].timeout = f->timeout; 274 usb_config[0].frames = 1; 275 usb_config[0].bufsize = f->bufsize; 276 if (ugen_transfer_setup(f, usb_config, 2)) { 277 return (EIO); 278 } 279 /* first transfer does not clear stall */ 280 f->flag_stall = 0; 281 break; 282 283 case UE_ISOCHRONOUS: 284 usb_config[0].flags.short_xfer_ok = 1; 285 usb_config[0].bufsize = 0; /* use default */ 286 usb_config[0].frames = f->nframes; 287 usb_config[0].callback = &ugen_isoc_write_callback; 288 usb_config[0].timeout = 0; 289 290 /* clone configuration */ 291 usb_config[1] = usb_config[0]; 292 293 if (ugen_transfer_setup(f, usb_config, 2)) { 294 return (EIO); 295 } 296 break; 297 default: 298 return (EINVAL); 299 } 300 return (0); 301 } 302 303 static int 304 ugen_open_pipe_read(struct usb_fifo *f) 305 { 306 struct usb_config usb_config[2]; 307 struct usb_endpoint *ep = usb_fifo_softc(f); 308 struct usb_endpoint_descriptor *ed = ep->edesc; 309 310 USB_MTX_ASSERT(f->priv_mtx, MA_OWNED); 311 312 if (f->xfer[0] || f->xfer[1]) { 313 /* transfers are already opened */ 314 return (0); 315 } 316 memset(usb_config, 0, sizeof(usb_config)); 317 318 usb_config[1].type = UE_CONTROL; 319 usb_config[1].endpoint = 0; 320 usb_config[1].direction = UE_DIR_ANY; 321 usb_config[1].timeout = 1000; /* 1 second */ 322 usb_config[1].interval = 50;/* 50 milliseconds */ 323 usb_config[1].bufsize = sizeof(struct usb_device_request); 324 usb_config[1].callback = &ugen_read_clear_stall_callback; 325 usb_config[1].usb_mode = USB_MODE_HOST; 326 327 usb_config[0].type = ed->bmAttributes & UE_XFERTYPE; 328 usb_config[0].endpoint = ed->bEndpointAddress & UE_ADDR; 329 usb_config[0].stream_id = 0; /* XXX support more stream ID's */ 330 usb_config[0].direction = UE_DIR_RX; 331 usb_config[0].interval = USB_DEFAULT_INTERVAL; 332 usb_config[0].flags.proxy_buffer = 1; 333 usb_config[0].usb_mode = USB_MODE_DUAL; /* both modes */ 334 335 switch (ed->bmAttributes & UE_XFERTYPE) { 336 case UE_INTERRUPT: 337 case UE_BULK: 338 if (f->flag_short) { 339 usb_config[0].flags.short_xfer_ok = 1; 340 } 341 usb_config[0].timeout = f->timeout; 342 usb_config[0].frames = 1; 343 usb_config[0].callback = &ugen_ctrl_read_callback; 344 usb_config[0].bufsize = f->bufsize; 345 346 if (ugen_transfer_setup(f, usb_config, 2)) { 347 return (EIO); 348 } 349 /* first transfer does not clear stall */ 350 f->flag_stall = 0; 351 break; 352 353 case UE_ISOCHRONOUS: 354 usb_config[0].flags.short_xfer_ok = 1; 355 usb_config[0].bufsize = 0; /* use default */ 356 usb_config[0].frames = f->nframes; 357 usb_config[0].callback = &ugen_isoc_read_callback; 358 usb_config[0].timeout = 0; 359 360 /* clone configuration */ 361 usb_config[1] = usb_config[0]; 362 363 if (ugen_transfer_setup(f, usb_config, 2)) { 364 return (EIO); 365 } 366 break; 367 368 default: 369 return (EINVAL); 370 } 371 return (0); 372 } 373 374 static void 375 ugen_start_read(struct usb_fifo *f) 376 { 377 /* check that pipes are open */ 378 if (ugen_open_pipe_read(f)) { 379 /* signal error */ 380 usb_fifo_put_data_error(f); 381 } 382 /* start transfers */ 383 usbd_transfer_start(f->xfer[0]); 384 usbd_transfer_start(f->xfer[1]); 385 } 386 387 static void 388 ugen_start_write(struct usb_fifo *f) 389 { 390 /* check that pipes are open */ 391 if (ugen_open_pipe_write(f)) { 392 /* signal error */ 393 usb_fifo_get_data_error(f); 394 } 395 /* start transfers */ 396 usbd_transfer_start(f->xfer[0]); 397 usbd_transfer_start(f->xfer[1]); 398 } 399 400 static void 401 ugen_stop_io(struct usb_fifo *f) 402 { 403 /* stop transfers */ 404 usbd_transfer_stop(f->xfer[0]); 405 usbd_transfer_stop(f->xfer[1]); 406 } 407 408 static void 409 ugen_ctrl_read_callback(struct usb_xfer *xfer, usb_error_t error) 410 { 411 struct usb_fifo *f = usbd_xfer_softc(xfer); 412 struct usb_mbuf *m; 413 414 DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes); 415 416 switch (USB_GET_STATE(xfer)) { 417 case USB_ST_TRANSFERRED: 418 if (xfer->actlen == 0) { 419 if (f->fifo_zlp != 4) { 420 f->fifo_zlp++; 421 } else { 422 /* 423 * Throttle a little bit we have multiple ZLPs 424 * in a row! 425 */ 426 xfer->interval = 64; /* ms */ 427 } 428 } else { 429 /* clear throttle */ 430 xfer->interval = 0; 431 f->fifo_zlp = 0; 432 } 433 usb_fifo_put_data(f, xfer->frbuffers, 0, 434 xfer->actlen, 1); 435 436 case USB_ST_SETUP: 437 if (f->flag_stall) { 438 usbd_transfer_start(f->xfer[1]); 439 break; 440 } 441 USB_IF_POLL(&f->free_q, m); 442 if (m) { 443 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 444 usbd_transfer_submit(xfer); 445 } 446 break; 447 448 default: /* Error */ 449 if (xfer->error != USB_ERR_CANCELLED) { 450 /* send a zero length packet to userland */ 451 usb_fifo_put_data(f, xfer->frbuffers, 0, 0, 1); 452 f->flag_stall = 1; 453 f->fifo_zlp = 0; 454 usbd_transfer_start(f->xfer[1]); 455 } 456 break; 457 } 458 } 459 460 static void 461 ugen_ctrl_write_callback(struct usb_xfer *xfer, usb_error_t error) 462 { 463 struct usb_fifo *f = usbd_xfer_softc(xfer); 464 usb_frlength_t actlen; 465 466 DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes); 467 468 switch (USB_GET_STATE(xfer)) { 469 case USB_ST_SETUP: 470 case USB_ST_TRANSFERRED: 471 /* 472 * If writing is in stall, just jump to clear stall 473 * callback and solve the situation. 474 */ 475 if (f->flag_stall) { 476 usbd_transfer_start(f->xfer[1]); 477 break; 478 } 479 /* 480 * Write data, setup and perform hardware transfer. 481 */ 482 if (usb_fifo_get_data(f, xfer->frbuffers, 0, 483 xfer->max_data_length, &actlen, 0)) { 484 usbd_xfer_set_frame_len(xfer, 0, actlen); 485 usbd_transfer_submit(xfer); 486 } 487 break; 488 489 default: /* Error */ 490 if (xfer->error != USB_ERR_CANCELLED) { 491 f->flag_stall = 1; 492 usbd_transfer_start(f->xfer[1]); 493 } 494 break; 495 } 496 } 497 498 static void 499 ugen_read_clear_stall_callback(struct usb_xfer *xfer, usb_error_t error) 500 { 501 struct usb_fifo *f = usbd_xfer_softc(xfer); 502 struct usb_xfer *xfer_other = f->xfer[0]; 503 504 if (f->flag_stall == 0) { 505 /* nothing to do */ 506 return; 507 } 508 if (usbd_clear_stall_callback(xfer, xfer_other)) { 509 DPRINTFN(5, "f=%p: stall cleared\n", f); 510 f->flag_stall = 0; 511 usbd_transfer_start(xfer_other); 512 } 513 } 514 515 static void 516 ugen_write_clear_stall_callback(struct usb_xfer *xfer, usb_error_t error) 517 { 518 struct usb_fifo *f = usbd_xfer_softc(xfer); 519 struct usb_xfer *xfer_other = f->xfer[0]; 520 521 if (f->flag_stall == 0) { 522 /* nothing to do */ 523 return; 524 } 525 if (usbd_clear_stall_callback(xfer, xfer_other)) { 526 DPRINTFN(5, "f=%p: stall cleared\n", f); 527 f->flag_stall = 0; 528 usbd_transfer_start(xfer_other); 529 } 530 } 531 532 static void 533 ugen_isoc_read_callback(struct usb_xfer *xfer, usb_error_t error) 534 { 535 struct usb_fifo *f = usbd_xfer_softc(xfer); 536 usb_frlength_t offset; 537 usb_frcount_t n; 538 539 DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes); 540 541 switch (USB_GET_STATE(xfer)) { 542 case USB_ST_TRANSFERRED: 543 544 DPRINTFN(6, "actlen=%d\n", xfer->actlen); 545 546 offset = 0; 547 548 for (n = 0; n != xfer->aframes; n++) { 549 usb_fifo_put_data(f, xfer->frbuffers, offset, 550 xfer->frlengths[n], 1); 551 offset += xfer->max_frame_size; 552 } 553 554 case USB_ST_SETUP: 555 tr_setup: 556 for (n = 0; n != xfer->nframes; n++) { 557 /* setup size for next transfer */ 558 usbd_xfer_set_frame_len(xfer, n, xfer->max_frame_size); 559 } 560 usbd_transfer_submit(xfer); 561 break; 562 563 default: /* Error */ 564 if (xfer->error == USB_ERR_CANCELLED) { 565 break; 566 } 567 goto tr_setup; 568 } 569 } 570 571 static void 572 ugen_isoc_write_callback(struct usb_xfer *xfer, usb_error_t error) 573 { 574 struct usb_fifo *f = usbd_xfer_softc(xfer); 575 usb_frlength_t actlen; 576 usb_frlength_t offset; 577 usb_frcount_t n; 578 579 DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes); 580 581 switch (USB_GET_STATE(xfer)) { 582 case USB_ST_TRANSFERRED: 583 case USB_ST_SETUP: 584 tr_setup: 585 offset = 0; 586 for (n = 0; n != xfer->nframes; n++) { 587 if (usb_fifo_get_data(f, xfer->frbuffers, offset, 588 xfer->max_frame_size, &actlen, 1)) { 589 usbd_xfer_set_frame_len(xfer, n, actlen); 590 offset += actlen; 591 } else { 592 break; 593 } 594 } 595 596 for (; n != xfer->nframes; n++) { 597 /* fill in zero frames */ 598 usbd_xfer_set_frame_len(xfer, n, 0); 599 } 600 usbd_transfer_submit(xfer); 601 break; 602 603 default: /* Error */ 604 if (xfer->error == USB_ERR_CANCELLED) { 605 break; 606 } 607 goto tr_setup; 608 } 609 } 610 611 static int 612 ugen_set_config(struct usb_fifo *f, uint8_t index) 613 { 614 DPRINTFN(2, "index %u\n", index); 615 616 if (f->udev->flags.usb_mode != USB_MODE_HOST) { 617 /* not possible in device side mode */ 618 return (ENOTTY); 619 } 620 621 /* make sure all FIFO's are gone */ 622 /* else there can be a deadlock */ 623 if (ugen_fs_uninit(f)) { 624 /* ignore any errors */ 625 DPRINTFN(6, "no FIFOs\n"); 626 } 627 628 if (usbd_start_set_config(f->udev, index) != 0) 629 return (EIO); 630 631 return (0); 632 } 633 634 static int 635 ugen_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 *------------------------------------------------------------------------*/ 667 static int 668 ugen_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 free_data = 0; 688 689 } else { 690 #if (USB_HAVE_FIXED_CONFIG == 0) 691 if (usbd_req_get_config_desc_full(udev, 692 NULL, &cdesc, ugd->ugd_config_index)) { 693 return (ENXIO); 694 } 695 free_data = 1; 696 #else 697 /* configuration descriptor data is shared */ 698 return (EINVAL); 699 #endif 700 } 701 702 len = UGETW(cdesc->wTotalLength); 703 if (len > ugd->ugd_maxlen) { 704 len = ugd->ugd_maxlen; 705 } 706 DPRINTFN(6, "len=%u\n", len); 707 708 ugd->ugd_actlen = len; 709 ugd->ugd_offset = 0; 710 711 error = copyout(cdesc, ugd->ugd_data, len); 712 713 if (free_data) 714 usbd_free_config_desc(udev, cdesc); 715 716 return (error); 717 } 718 719 static int 720 ugen_get_sdesc(struct usb_fifo *f, struct usb_gen_descriptor *ugd) 721 { 722 void *ptr; 723 uint16_t size; 724 int error; 725 uint8_t do_unlock; 726 727 /* Protect scratch area */ 728 do_unlock = usbd_ctrl_lock(f->udev); 729 730 ptr = f->udev->scratch.data; 731 size = sizeof(f->udev->scratch.data); 732 733 if (usbd_req_get_string_desc(f->udev, NULL, ptr, 734 size, ugd->ugd_lang_id, ugd->ugd_string_index)) { 735 error = EINVAL; 736 } else { 737 if (size > ((uint8_t *)ptr)[0]) { 738 size = ((uint8_t *)ptr)[0]; 739 } 740 if (size > ugd->ugd_maxlen) { 741 size = ugd->ugd_maxlen; 742 } 743 ugd->ugd_actlen = size; 744 ugd->ugd_offset = 0; 745 746 error = copyout(ptr, ugd->ugd_data, size); 747 } 748 if (do_unlock) 749 usbd_ctrl_unlock(f->udev); 750 751 return (error); 752 } 753 754 /*------------------------------------------------------------------------* 755 * ugen_get_iface_driver 756 * 757 * This function generates an USB interface description for userland. 758 * 759 * Returns: 760 * 0: Success 761 * Else: Failure 762 *------------------------------------------------------------------------*/ 763 static int 764 ugen_get_iface_driver(struct usb_fifo *f, struct usb_gen_descriptor *ugd) 765 { 766 struct usb_device *udev = f->udev; 767 struct usb_interface *iface; 768 const char *ptr; 769 const char *desc; 770 unsigned int len; 771 unsigned int maxlen; 772 char buf[128]; 773 int error; 774 775 DPRINTFN(6, "\n"); 776 777 if ((ugd->ugd_data == NULL) || (ugd->ugd_maxlen == 0)) { 778 /* userland pointer should not be zero */ 779 return (EINVAL); 780 } 781 782 iface = usbd_get_iface(udev, ugd->ugd_iface_index); 783 if ((iface == NULL) || (iface->idesc == NULL)) { 784 /* invalid interface index */ 785 return (EINVAL); 786 } 787 788 /* read out device nameunit string, if any */ 789 if ((iface->subdev != NULL) && 790 device_is_attached(iface->subdev) && 791 (ptr = device_get_nameunit(iface->subdev)) && 792 (desc = device_get_desc(iface->subdev))) { 793 /* print description */ 794 snprintf(buf, sizeof(buf), "%s: <%s>", ptr, desc); 795 796 /* range checks */ 797 maxlen = ugd->ugd_maxlen - 1; 798 len = strlen(buf); 799 if (len > maxlen) 800 len = maxlen; 801 802 /* update actual length, including terminating zero */ 803 ugd->ugd_actlen = len + 1; 804 805 /* copy out interface description */ 806 error = copyout(buf, ugd->ugd_data, ugd->ugd_actlen); 807 } else { 808 /* zero length string is default */ 809 error = copyout("", ugd->ugd_data, 1); 810 } 811 return (error); 812 } 813 814 /*------------------------------------------------------------------------* 815 * ugen_fill_deviceinfo 816 * 817 * This function dumps information about an USB device to the 818 * structure pointed to by the "di" argument. 819 * 820 * Returns: 821 * 0: Success 822 * Else: Failure 823 *------------------------------------------------------------------------*/ 824 int 825 ugen_fill_deviceinfo(struct usb_fifo *f, struct usb_device_info *di) 826 { 827 struct usb_device *udev; 828 struct usb_device *hub; 829 830 udev = f->udev; 831 832 bzero(di, sizeof(di[0])); 833 834 di->udi_bus = device_get_unit(udev->bus->bdev); 835 di->udi_addr = udev->address; 836 di->udi_index = udev->device_index; 837 strlcpy(di->udi_serial, usb_get_serial(udev), sizeof(di->udi_serial)); 838 strlcpy(di->udi_vendor, usb_get_manufacturer(udev), sizeof(di->udi_vendor)); 839 strlcpy(di->udi_product, usb_get_product(udev), sizeof(di->udi_product)); 840 usb_printbcd(di->udi_release, sizeof(di->udi_release), 841 UGETW(udev->ddesc.bcdDevice)); 842 di->udi_vendorNo = UGETW(udev->ddesc.idVendor); 843 di->udi_productNo = UGETW(udev->ddesc.idProduct); 844 di->udi_releaseNo = UGETW(udev->ddesc.bcdDevice); 845 di->udi_class = udev->ddesc.bDeviceClass; 846 di->udi_subclass = udev->ddesc.bDeviceSubClass; 847 di->udi_protocol = udev->ddesc.bDeviceProtocol; 848 di->udi_config_no = udev->curr_config_no; 849 di->udi_config_index = udev->curr_config_index; 850 di->udi_power = udev->flags.self_powered ? 0 : udev->power; 851 di->udi_speed = udev->speed; 852 di->udi_mode = udev->flags.usb_mode; 853 di->udi_power_mode = udev->power_mode; 854 di->udi_suspended = udev->flags.peer_suspended; 855 856 hub = udev->parent_hub; 857 if (hub) { 858 di->udi_hubaddr = hub->address; 859 di->udi_hubindex = hub->device_index; 860 di->udi_hubport = udev->port_no; 861 } 862 return (0); 863 } 864 865 /*------------------------------------------------------------------------* 866 * ugen_check_request 867 * 868 * Return values: 869 * 0: Access allowed 870 * Else: No access 871 *------------------------------------------------------------------------*/ 872 static int 873 ugen_check_request(struct usb_device *udev, struct usb_device_request *req) 874 { 875 struct usb_endpoint *ep; 876 int error; 877 878 /* 879 * Avoid requests that would damage the bus integrity: 880 */ 881 if (((req->bmRequestType == UT_WRITE_DEVICE) && 882 (req->bRequest == UR_SET_ADDRESS)) || 883 ((req->bmRequestType == UT_WRITE_DEVICE) && 884 (req->bRequest == UR_SET_CONFIG)) || 885 ((req->bmRequestType == UT_WRITE_INTERFACE) && 886 (req->bRequest == UR_SET_INTERFACE))) { 887 /* 888 * These requests can be useful for testing USB drivers. 889 */ 890 error = priv_check(curthread, PRIV_DRIVER); 891 if (error) { 892 return (error); 893 } 894 } 895 /* 896 * Special case - handle clearing of stall 897 */ 898 if (req->bmRequestType == UT_WRITE_ENDPOINT) { 899 ep = usbd_get_ep_by_addr(udev, req->wIndex[0]); 900 if (ep == NULL) { 901 return (EINVAL); 902 } 903 if ((req->bRequest == UR_CLEAR_FEATURE) && 904 (UGETW(req->wValue) == UF_ENDPOINT_HALT)) { 905 usbd_clear_data_toggle(udev, ep); 906 } 907 } 908 /* TODO: add more checks to verify the interface index */ 909 910 return (0); 911 } 912 913 int 914 ugen_do_request(struct usb_fifo *f, struct usb_ctl_request *ur) 915 { 916 int error; 917 uint16_t len; 918 uint16_t actlen; 919 920 if (ugen_check_request(f->udev, &ur->ucr_request)) { 921 return (EPERM); 922 } 923 len = UGETW(ur->ucr_request.wLength); 924 925 /* check if "ucr_data" is valid */ 926 if (len != 0) { 927 if (ur->ucr_data == NULL) { 928 return (EFAULT); 929 } 930 } 931 /* do the USB request */ 932 error = usbd_do_request_flags 933 (f->udev, NULL, &ur->ucr_request, ur->ucr_data, 934 (ur->ucr_flags & USB_SHORT_XFER_OK) | 935 USB_USER_DATA_PTR, &actlen, 936 USB_DEFAULT_TIMEOUT); 937 938 ur->ucr_actlen = actlen; 939 940 if (error) { 941 error = EIO; 942 } 943 return (error); 944 } 945 946 /*------------------------------------------------------------------------ 947 * ugen_re_enumerate 948 *------------------------------------------------------------------------*/ 949 static int 950 ugen_re_enumerate(struct usb_fifo *f) 951 { 952 struct usb_device *udev = f->udev; 953 int error; 954 955 /* 956 * This request can be useful for testing USB drivers: 957 */ 958 error = priv_check(curthread, PRIV_DRIVER); 959 if (error) { 960 return (error); 961 } 962 if (udev->flags.usb_mode != USB_MODE_HOST) { 963 /* not possible in device side mode */ 964 DPRINTFN(6, "device mode\n"); 965 return (ENOTTY); 966 } 967 /* make sure all FIFO's are gone */ 968 /* else there can be a deadlock */ 969 if (ugen_fs_uninit(f)) { 970 /* ignore any errors */ 971 DPRINTFN(6, "no FIFOs\n"); 972 } 973 /* start re-enumeration of device */ 974 usbd_start_re_enumerate(udev); 975 return (0); 976 } 977 978 int 979 ugen_fs_uninit(struct usb_fifo *f) 980 { 981 if (f->fs_xfer == NULL) { 982 return (EINVAL); 983 } 984 usbd_transfer_unsetup(f->fs_xfer, f->fs_ep_max); 985 free(f->fs_xfer, M_USB); 986 f->fs_xfer = NULL; 987 f->fs_ep_max = 0; 988 f->fs_ep_ptr = NULL; 989 f->flag_iscomplete = 0; 990 usb_fifo_free_buffer(f); 991 return (0); 992 } 993 994 static uint8_t 995 ugen_fs_get_complete(struct usb_fifo *f, uint8_t *pindex) 996 { 997 struct usb_mbuf *m; 998 999 USB_IF_DEQUEUE(&f->used_q, m); 1000 1001 if (m) { 1002 *pindex = *((uint8_t *)(m->cur_data_ptr)); 1003 1004 USB_IF_ENQUEUE(&f->free_q, m); 1005 1006 return (0); /* success */ 1007 } else { 1008 *pindex = 0; /* fix compiler warning */ 1009 1010 f->flag_iscomplete = 0; 1011 } 1012 return (1); /* failure */ 1013 } 1014 1015 static void 1016 ugen_fs_set_complete(struct usb_fifo *f, uint8_t index) 1017 { 1018 struct usb_mbuf *m; 1019 1020 USB_IF_DEQUEUE(&f->free_q, m); 1021 1022 if (m == NULL) { 1023 /* can happen during close */ 1024 DPRINTF("out of buffers\n"); 1025 return; 1026 } 1027 USB_MBUF_RESET(m); 1028 1029 *((uint8_t *)(m->cur_data_ptr)) = index; 1030 1031 USB_IF_ENQUEUE(&f->used_q, m); 1032 1033 f->flag_iscomplete = 1; 1034 1035 usb_fifo_wakeup(f); 1036 } 1037 1038 static int 1039 ugen_fs_copy_in(struct usb_fifo *f, uint8_t ep_index) 1040 { 1041 struct usb_device_request *req; 1042 struct usb_xfer *xfer; 1043 struct usb_fs_endpoint fs_ep; 1044 void *uaddr; /* userland pointer */ 1045 void *kaddr; 1046 usb_frlength_t offset; 1047 usb_frlength_t rem; 1048 usb_frcount_t n; 1049 uint32_t length; 1050 int error; 1051 uint8_t isread; 1052 1053 if (ep_index >= f->fs_ep_max) { 1054 return (EINVAL); 1055 } 1056 xfer = f->fs_xfer[ep_index]; 1057 if (xfer == NULL) { 1058 return (EINVAL); 1059 } 1060 mtx_lock(f->priv_mtx); 1061 if (usbd_transfer_pending(xfer)) { 1062 mtx_unlock(f->priv_mtx); 1063 return (EBUSY); /* should not happen */ 1064 } 1065 mtx_unlock(f->priv_mtx); 1066 1067 error = copyin(f->fs_ep_ptr + 1068 ep_index, &fs_ep, sizeof(fs_ep)); 1069 if (error) { 1070 return (error); 1071 } 1072 /* security checks */ 1073 1074 if (fs_ep.nFrames > xfer->max_frame_count) { 1075 xfer->error = USB_ERR_INVAL; 1076 goto complete; 1077 } 1078 if (fs_ep.nFrames == 0) { 1079 xfer->error = USB_ERR_INVAL; 1080 goto complete; 1081 } 1082 error = copyin(fs_ep.ppBuffer, 1083 &uaddr, sizeof(uaddr)); 1084 if (error) { 1085 return (error); 1086 } 1087 /* reset first frame */ 1088 usbd_xfer_set_frame_offset(xfer, 0, 0); 1089 1090 if (xfer->flags_int.control_xfr) { 1091 req = xfer->frbuffers[0].buffer; 1092 1093 error = copyin(fs_ep.pLength, 1094 &length, sizeof(length)); 1095 if (error) { 1096 return (error); 1097 } 1098 if (length != sizeof(*req)) { 1099 xfer->error = USB_ERR_INVAL; 1100 goto complete; 1101 } 1102 if (length != 0) { 1103 error = copyin(uaddr, req, length); 1104 if (error) { 1105 return (error); 1106 } 1107 } 1108 if (ugen_check_request(f->udev, req)) { 1109 xfer->error = USB_ERR_INVAL; 1110 goto complete; 1111 } 1112 usbd_xfer_set_frame_len(xfer, 0, length); 1113 1114 /* Host mode only ! */ 1115 if ((req->bmRequestType & 1116 (UT_READ | UT_WRITE)) == UT_READ) { 1117 isread = 1; 1118 } else { 1119 isread = 0; 1120 } 1121 n = 1; 1122 offset = sizeof(*req); 1123 1124 } else { 1125 /* Device and Host mode */ 1126 if (USB_GET_DATA_ISREAD(xfer)) { 1127 isread = 1; 1128 } else { 1129 isread = 0; 1130 } 1131 n = 0; 1132 offset = 0; 1133 } 1134 1135 rem = usbd_xfer_max_len(xfer); 1136 xfer->nframes = fs_ep.nFrames; 1137 xfer->timeout = fs_ep.timeout; 1138 if (xfer->timeout > 65535) { 1139 xfer->timeout = 65535; 1140 } 1141 if (fs_ep.flags & USB_FS_FLAG_SINGLE_SHORT_OK) 1142 xfer->flags.short_xfer_ok = 1; 1143 else 1144 xfer->flags.short_xfer_ok = 0; 1145 1146 if (fs_ep.flags & USB_FS_FLAG_MULTI_SHORT_OK) 1147 xfer->flags.short_frames_ok = 1; 1148 else 1149 xfer->flags.short_frames_ok = 0; 1150 1151 if (fs_ep.flags & USB_FS_FLAG_FORCE_SHORT) 1152 xfer->flags.force_short_xfer = 1; 1153 else 1154 xfer->flags.force_short_xfer = 0; 1155 1156 if (fs_ep.flags & USB_FS_FLAG_CLEAR_STALL) 1157 usbd_xfer_set_stall(xfer); 1158 else 1159 xfer->flags.stall_pipe = 0; 1160 1161 for (; n != xfer->nframes; n++) { 1162 error = copyin(fs_ep.pLength + n, 1163 &length, sizeof(length)); 1164 if (error) { 1165 break; 1166 } 1167 usbd_xfer_set_frame_len(xfer, n, length); 1168 1169 if (length > rem) { 1170 xfer->error = USB_ERR_INVAL; 1171 goto complete; 1172 } 1173 rem -= length; 1174 1175 if (!isread) { 1176 /* we need to know the source buffer */ 1177 error = copyin(fs_ep.ppBuffer + n, 1178 &uaddr, sizeof(uaddr)); 1179 if (error) { 1180 break; 1181 } 1182 if (xfer->flags_int.isochronous_xfr) { 1183 /* get kernel buffer address */ 1184 kaddr = xfer->frbuffers[0].buffer; 1185 kaddr = USB_ADD_BYTES(kaddr, offset); 1186 } else { 1187 /* set current frame offset */ 1188 usbd_xfer_set_frame_offset(xfer, offset, n); 1189 1190 /* get kernel buffer address */ 1191 kaddr = xfer->frbuffers[n].buffer; 1192 } 1193 1194 /* move data */ 1195 error = copyin(uaddr, kaddr, length); 1196 if (error) { 1197 break; 1198 } 1199 } 1200 offset += length; 1201 } 1202 return (error); 1203 1204 complete: 1205 mtx_lock(f->priv_mtx); 1206 ugen_fs_set_complete(f, ep_index); 1207 mtx_unlock(f->priv_mtx); 1208 return (0); 1209 } 1210 1211 static int 1212 ugen_fs_copy_out_cancelled(struct usb_fs_endpoint *fs_ep_uptr) 1213 { 1214 struct usb_fs_endpoint fs_ep; 1215 int error; 1216 1217 error = copyin(fs_ep_uptr, &fs_ep, sizeof(fs_ep)); 1218 if (error) 1219 return (error); 1220 1221 fs_ep.status = USB_ERR_CANCELLED; 1222 fs_ep.aFrames = 0; 1223 fs_ep.isoc_time_complete = 0; 1224 1225 /* update "aFrames" */ 1226 error = copyout(&fs_ep.aFrames, &fs_ep_uptr->aFrames, 1227 sizeof(fs_ep.aFrames)); 1228 if (error) 1229 goto done; 1230 1231 /* update "isoc_time_complete" */ 1232 error = copyout(&fs_ep.isoc_time_complete, 1233 &fs_ep_uptr->isoc_time_complete, 1234 sizeof(fs_ep.isoc_time_complete)); 1235 if (error) 1236 goto done; 1237 1238 /* update "status" */ 1239 error = copyout(&fs_ep.status, &fs_ep_uptr->status, 1240 sizeof(fs_ep.status)); 1241 done: 1242 return (error); 1243 } 1244 1245 static int 1246 ugen_fs_copy_out(struct usb_fifo *f, uint8_t ep_index) 1247 { 1248 struct usb_device_request *req; 1249 struct usb_xfer *xfer; 1250 struct usb_fs_endpoint fs_ep; 1251 struct usb_fs_endpoint *fs_ep_uptr; /* userland ptr */ 1252 void *uaddr; /* userland ptr */ 1253 void *kaddr; 1254 usb_frlength_t offset; 1255 usb_frlength_t rem; 1256 usb_frcount_t n; 1257 uint32_t length; 1258 uint32_t temp; 1259 int error; 1260 uint8_t isread; 1261 1262 if (ep_index >= f->fs_ep_max) 1263 return (EINVAL); 1264 1265 xfer = f->fs_xfer[ep_index]; 1266 if (xfer == NULL) 1267 return (EINVAL); 1268 1269 mtx_lock(f->priv_mtx); 1270 if (!xfer->flags_int.transferring && 1271 !xfer->flags_int.started) { 1272 mtx_unlock(f->priv_mtx); 1273 DPRINTF("Returning fake cancel event\n"); 1274 return (ugen_fs_copy_out_cancelled(f->fs_ep_ptr + ep_index)); 1275 } else if (usbd_transfer_pending(xfer)) { 1276 mtx_unlock(f->priv_mtx); 1277 return (EBUSY); /* should not happen */ 1278 } 1279 mtx_unlock(f->priv_mtx); 1280 1281 fs_ep_uptr = f->fs_ep_ptr + ep_index; 1282 error = copyin(fs_ep_uptr, &fs_ep, sizeof(fs_ep)); 1283 if (error) { 1284 return (error); 1285 } 1286 fs_ep.status = xfer->error; 1287 fs_ep.aFrames = xfer->aframes; 1288 fs_ep.isoc_time_complete = xfer->isoc_time_complete; 1289 if (xfer->error) { 1290 goto complete; 1291 } 1292 if (xfer->flags_int.control_xfr) { 1293 req = xfer->frbuffers[0].buffer; 1294 1295 /* Host mode only ! */ 1296 if ((req->bmRequestType & (UT_READ | UT_WRITE)) == UT_READ) { 1297 isread = 1; 1298 } else { 1299 isread = 0; 1300 } 1301 if (xfer->nframes == 0) 1302 n = 0; /* should never happen */ 1303 else 1304 n = 1; 1305 } else { 1306 /* Device and Host mode */ 1307 if (USB_GET_DATA_ISREAD(xfer)) { 1308 isread = 1; 1309 } else { 1310 isread = 0; 1311 } 1312 n = 0; 1313 } 1314 1315 /* Update lengths and copy out data */ 1316 1317 rem = usbd_xfer_max_len(xfer); 1318 offset = 0; 1319 1320 for (; n != xfer->nframes; n++) { 1321 /* get initial length into "temp" */ 1322 error = copyin(fs_ep.pLength + n, 1323 &temp, sizeof(temp)); 1324 if (error) { 1325 return (error); 1326 } 1327 if (temp > rem) { 1328 /* the userland length has been corrupted */ 1329 DPRINTF("corrupt userland length " 1330 "%u > %u\n", temp, rem); 1331 fs_ep.status = USB_ERR_INVAL; 1332 goto complete; 1333 } 1334 rem -= temp; 1335 1336 /* get actual transfer length */ 1337 length = xfer->frlengths[n]; 1338 if (length > temp) { 1339 /* data overflow */ 1340 fs_ep.status = USB_ERR_INVAL; 1341 DPRINTF("data overflow %u > %u\n", 1342 length, temp); 1343 goto complete; 1344 } 1345 if (isread) { 1346 /* we need to know the destination buffer */ 1347 error = copyin(fs_ep.ppBuffer + n, 1348 &uaddr, sizeof(uaddr)); 1349 if (error) { 1350 return (error); 1351 } 1352 if (xfer->flags_int.isochronous_xfr) { 1353 /* only one frame buffer */ 1354 kaddr = USB_ADD_BYTES( 1355 xfer->frbuffers[0].buffer, offset); 1356 } else { 1357 /* multiple frame buffers */ 1358 kaddr = xfer->frbuffers[n].buffer; 1359 } 1360 1361 /* move data */ 1362 error = copyout(kaddr, uaddr, length); 1363 if (error) { 1364 return (error); 1365 } 1366 } 1367 /* 1368 * Update offset according to initial length, which is 1369 * needed by isochronous transfers! 1370 */ 1371 offset += temp; 1372 1373 /* update length */ 1374 error = copyout(&length, 1375 fs_ep.pLength + n, sizeof(length)); 1376 if (error) { 1377 return (error); 1378 } 1379 } 1380 1381 complete: 1382 /* update "aFrames" */ 1383 error = copyout(&fs_ep.aFrames, &fs_ep_uptr->aFrames, 1384 sizeof(fs_ep.aFrames)); 1385 if (error) 1386 goto done; 1387 1388 /* update "isoc_time_complete" */ 1389 error = copyout(&fs_ep.isoc_time_complete, 1390 &fs_ep_uptr->isoc_time_complete, 1391 sizeof(fs_ep.isoc_time_complete)); 1392 if (error) 1393 goto done; 1394 1395 /* update "status" */ 1396 error = copyout(&fs_ep.status, &fs_ep_uptr->status, 1397 sizeof(fs_ep.status)); 1398 done: 1399 return (error); 1400 } 1401 1402 static uint8_t 1403 ugen_fifo_in_use(struct usb_fifo *f, int fflags) 1404 { 1405 struct usb_fifo *f_rx; 1406 struct usb_fifo *f_tx; 1407 1408 f_rx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_RX]; 1409 f_tx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_TX]; 1410 1411 if ((fflags & FREAD) && f_rx && 1412 (f_rx->xfer[0] || f_rx->xfer[1])) { 1413 return (1); /* RX FIFO in use */ 1414 } 1415 if ((fflags & FWRITE) && f_tx && 1416 (f_tx->xfer[0] || f_tx->xfer[1])) { 1417 return (1); /* TX FIFO in use */ 1418 } 1419 return (0); /* not in use */ 1420 } 1421 1422 static int 1423 ugen_ioctl(struct usb_fifo *f, u_long cmd, void *addr, int fflags) 1424 { 1425 struct usb_config usb_config[1]; 1426 struct usb_device_request req; 1427 union { 1428 struct usb_fs_complete *pcomp; 1429 struct usb_fs_start *pstart; 1430 struct usb_fs_stop *pstop; 1431 struct usb_fs_open *popen; 1432 struct usb_fs_open_stream *popen_stream; 1433 struct usb_fs_close *pclose; 1434 struct usb_fs_clear_stall_sync *pstall; 1435 void *addr; 1436 } u; 1437 struct usb_endpoint *ep; 1438 struct usb_endpoint_descriptor *ed; 1439 struct usb_xfer *xfer; 1440 int error = 0; 1441 uint8_t iface_index; 1442 uint8_t isread; 1443 uint8_t ep_index; 1444 uint8_t pre_scale; 1445 1446 u.addr = addr; 1447 1448 DPRINTFN(6, "cmd=0x%08lx\n", cmd); 1449 1450 switch (cmd) { 1451 case USB_FS_COMPLETE: 1452 mtx_lock(f->priv_mtx); 1453 error = ugen_fs_get_complete(f, &ep_index); 1454 mtx_unlock(f->priv_mtx); 1455 1456 if (error) { 1457 error = EBUSY; 1458 break; 1459 } 1460 u.pcomp->ep_index = ep_index; 1461 error = ugen_fs_copy_out(f, u.pcomp->ep_index); 1462 break; 1463 1464 case USB_FS_START: 1465 error = ugen_fs_copy_in(f, u.pstart->ep_index); 1466 if (error) 1467 break; 1468 mtx_lock(f->priv_mtx); 1469 xfer = f->fs_xfer[u.pstart->ep_index]; 1470 usbd_transfer_start(xfer); 1471 mtx_unlock(f->priv_mtx); 1472 break; 1473 1474 case USB_FS_STOP: 1475 if (u.pstop->ep_index >= f->fs_ep_max) { 1476 error = EINVAL; 1477 break; 1478 } 1479 mtx_lock(f->priv_mtx); 1480 xfer = f->fs_xfer[u.pstart->ep_index]; 1481 if (usbd_transfer_pending(xfer)) { 1482 usbd_transfer_stop(xfer); 1483 1484 /* 1485 * Check if the USB transfer was stopped 1486 * before it was even started and fake a 1487 * cancel event. 1488 */ 1489 if (!xfer->flags_int.transferring && 1490 !xfer->flags_int.started) { 1491 DPRINTF("Issuing fake completion event\n"); 1492 ugen_fs_set_complete(xfer->priv_sc, 1493 USB_P2U(xfer->priv_fifo)); 1494 } 1495 } 1496 mtx_unlock(f->priv_mtx); 1497 break; 1498 1499 case USB_FS_OPEN: 1500 case USB_FS_OPEN_STREAM: 1501 if (u.popen->ep_index >= f->fs_ep_max) { 1502 error = EINVAL; 1503 break; 1504 } 1505 if (f->fs_xfer[u.popen->ep_index] != NULL) { 1506 error = EBUSY; 1507 break; 1508 } 1509 if (u.popen->max_bufsize > USB_FS_MAX_BUFSIZE) { 1510 u.popen->max_bufsize = USB_FS_MAX_BUFSIZE; 1511 } 1512 if (u.popen->max_frames & USB_FS_MAX_FRAMES_PRE_SCALE) { 1513 pre_scale = 1; 1514 u.popen->max_frames &= ~USB_FS_MAX_FRAMES_PRE_SCALE; 1515 } else { 1516 pre_scale = 0; 1517 } 1518 if (u.popen->max_frames > USB_FS_MAX_FRAMES) { 1519 u.popen->max_frames = USB_FS_MAX_FRAMES; 1520 break; 1521 } 1522 if (u.popen->max_frames == 0) { 1523 error = EINVAL; 1524 break; 1525 } 1526 ep = usbd_get_ep_by_addr(f->udev, u.popen->ep_no); 1527 if (ep == NULL) { 1528 error = EINVAL; 1529 break; 1530 } 1531 ed = ep->edesc; 1532 if (ed == NULL) { 1533 error = ENXIO; 1534 break; 1535 } 1536 iface_index = ep->iface_index; 1537 1538 memset(usb_config, 0, sizeof(usb_config)); 1539 1540 usb_config[0].type = ed->bmAttributes & UE_XFERTYPE; 1541 usb_config[0].endpoint = ed->bEndpointAddress & UE_ADDR; 1542 usb_config[0].direction = ed->bEndpointAddress & (UE_DIR_OUT | UE_DIR_IN); 1543 usb_config[0].interval = USB_DEFAULT_INTERVAL; 1544 usb_config[0].flags.proxy_buffer = 1; 1545 if (pre_scale != 0) 1546 usb_config[0].flags.pre_scale_frames = 1; 1547 usb_config[0].callback = &ugen_ctrl_fs_callback; 1548 usb_config[0].timeout = 0; /* no timeout */ 1549 usb_config[0].frames = u.popen->max_frames; 1550 usb_config[0].bufsize = u.popen->max_bufsize; 1551 usb_config[0].usb_mode = USB_MODE_DUAL; /* both modes */ 1552 if (cmd == USB_FS_OPEN_STREAM) 1553 usb_config[0].stream_id = u.popen_stream->stream_id; 1554 1555 if (usb_config[0].type == UE_CONTROL) { 1556 if (f->udev->flags.usb_mode != USB_MODE_HOST) { 1557 error = EINVAL; 1558 break; 1559 } 1560 } else { 1561 isread = ((usb_config[0].endpoint & 1562 (UE_DIR_IN | UE_DIR_OUT)) == UE_DIR_IN); 1563 1564 if (f->udev->flags.usb_mode != USB_MODE_HOST) { 1565 isread = !isread; 1566 } 1567 /* check permissions */ 1568 if (isread) { 1569 if (!(fflags & FREAD)) { 1570 error = EPERM; 1571 break; 1572 } 1573 } else { 1574 if (!(fflags & FWRITE)) { 1575 error = EPERM; 1576 break; 1577 } 1578 } 1579 } 1580 error = usbd_transfer_setup(f->udev, &iface_index, 1581 f->fs_xfer + u.popen->ep_index, usb_config, 1, 1582 f, f->priv_mtx); 1583 if (error == 0) { 1584 /* update maximums */ 1585 u.popen->max_packet_length = 1586 f->fs_xfer[u.popen->ep_index]->max_frame_size; 1587 u.popen->max_bufsize = 1588 f->fs_xfer[u.popen->ep_index]->max_data_length; 1589 /* update number of frames */ 1590 u.popen->max_frames = 1591 f->fs_xfer[u.popen->ep_index]->nframes; 1592 /* store index of endpoint */ 1593 f->fs_xfer[u.popen->ep_index]->priv_fifo = 1594 ((uint8_t *)0) + u.popen->ep_index; 1595 } else { 1596 error = ENOMEM; 1597 } 1598 break; 1599 1600 case USB_FS_CLOSE: 1601 if (u.pclose->ep_index >= f->fs_ep_max) { 1602 error = EINVAL; 1603 break; 1604 } 1605 if (f->fs_xfer[u.pclose->ep_index] == NULL) { 1606 error = EINVAL; 1607 break; 1608 } 1609 usbd_transfer_unsetup(f->fs_xfer + u.pclose->ep_index, 1); 1610 break; 1611 1612 case USB_FS_CLEAR_STALL_SYNC: 1613 if (u.pstall->ep_index >= f->fs_ep_max) { 1614 error = EINVAL; 1615 break; 1616 } 1617 if (f->fs_xfer[u.pstall->ep_index] == NULL) { 1618 error = EINVAL; 1619 break; 1620 } 1621 if (f->udev->flags.usb_mode != USB_MODE_HOST) { 1622 error = EINVAL; 1623 break; 1624 } 1625 mtx_lock(f->priv_mtx); 1626 error = usbd_transfer_pending(f->fs_xfer[u.pstall->ep_index]); 1627 mtx_unlock(f->priv_mtx); 1628 1629 if (error) { 1630 return (EBUSY); 1631 } 1632 ep = f->fs_xfer[u.pstall->ep_index]->endpoint; 1633 1634 /* setup a clear-stall packet */ 1635 req.bmRequestType = UT_WRITE_ENDPOINT; 1636 req.bRequest = UR_CLEAR_FEATURE; 1637 USETW(req.wValue, UF_ENDPOINT_HALT); 1638 req.wIndex[0] = ep->edesc->bEndpointAddress; 1639 req.wIndex[1] = 0; 1640 USETW(req.wLength, 0); 1641 1642 error = usbd_do_request(f->udev, NULL, &req, NULL); 1643 if (error == 0) { 1644 usbd_clear_data_toggle(f->udev, ep); 1645 } else { 1646 error = ENXIO; 1647 } 1648 break; 1649 1650 default: 1651 error = ENOIOCTL; 1652 break; 1653 } 1654 1655 DPRINTFN(6, "error=%d\n", error); 1656 1657 return (error); 1658 } 1659 1660 static int 1661 ugen_set_short_xfer(struct usb_fifo *f, void *addr) 1662 { 1663 uint8_t t; 1664 1665 if (*(int *)addr) 1666 t = 1; 1667 else 1668 t = 0; 1669 1670 if (f->flag_short == t) { 1671 /* same value like before - accept */ 1672 return (0); 1673 } 1674 if (f->xfer[0] || f->xfer[1]) { 1675 /* cannot change this during transfer */ 1676 return (EBUSY); 1677 } 1678 f->flag_short = t; 1679 return (0); 1680 } 1681 1682 static int 1683 ugen_set_timeout(struct usb_fifo *f, void *addr) 1684 { 1685 f->timeout = *(int *)addr; 1686 if (f->timeout > 65535) { 1687 /* limit user input */ 1688 f->timeout = 65535; 1689 } 1690 return (0); 1691 } 1692 1693 static int 1694 ugen_get_frame_size(struct usb_fifo *f, void *addr) 1695 { 1696 if (f->xfer[0]) { 1697 *(int *)addr = f->xfer[0]->max_frame_size; 1698 } else { 1699 return (EINVAL); 1700 } 1701 return (0); 1702 } 1703 1704 static int 1705 ugen_set_buffer_size(struct usb_fifo *f, void *addr) 1706 { 1707 usb_frlength_t t; 1708 1709 if (*(int *)addr < 0) 1710 t = 0; /* use "wMaxPacketSize" */ 1711 else if (*(int *)addr < (256 * 1024)) 1712 t = *(int *)addr; 1713 else 1714 t = 256 * 1024; 1715 1716 if (f->bufsize == t) { 1717 /* same value like before - accept */ 1718 return (0); 1719 } 1720 if (f->xfer[0] || f->xfer[1]) { 1721 /* cannot change this during transfer */ 1722 return (EBUSY); 1723 } 1724 f->bufsize = t; 1725 return (0); 1726 } 1727 1728 static int 1729 ugen_get_buffer_size(struct usb_fifo *f, void *addr) 1730 { 1731 *(int *)addr = f->bufsize; 1732 return (0); 1733 } 1734 1735 static int 1736 ugen_get_iface_desc(struct usb_fifo *f, 1737 struct usb_interface_descriptor *idesc) 1738 { 1739 struct usb_interface *iface; 1740 1741 iface = usbd_get_iface(f->udev, f->iface_index); 1742 if (iface && iface->idesc) { 1743 *idesc = *(iface->idesc); 1744 } else { 1745 return (EIO); 1746 } 1747 return (0); 1748 } 1749 1750 static int 1751 ugen_get_endpoint_desc(struct usb_fifo *f, 1752 struct usb_endpoint_descriptor *ed) 1753 { 1754 struct usb_endpoint *ep; 1755 1756 ep = usb_fifo_softc(f); 1757 1758 if (ep && ep->edesc) { 1759 *ed = *ep->edesc; 1760 } else { 1761 return (EINVAL); 1762 } 1763 return (0); 1764 } 1765 1766 static int 1767 ugen_set_power_mode(struct usb_fifo *f, int mode) 1768 { 1769 struct usb_device *udev = f->udev; 1770 int err; 1771 uint8_t old_mode; 1772 1773 if ((udev == NULL) || 1774 (udev->parent_hub == NULL)) { 1775 return (EINVAL); 1776 } 1777 err = priv_check(curthread, PRIV_DRIVER); 1778 if (err) 1779 return (err); 1780 1781 /* get old power mode */ 1782 old_mode = udev->power_mode; 1783 1784 /* if no change, then just return */ 1785 if (old_mode == mode) 1786 return (0); 1787 1788 switch (mode) { 1789 case USB_POWER_MODE_OFF: 1790 if (udev->flags.usb_mode == USB_MODE_HOST && 1791 udev->re_enumerate_wait == USB_RE_ENUM_DONE) { 1792 udev->re_enumerate_wait = USB_RE_ENUM_PWR_OFF; 1793 } 1794 /* set power mode will wake up the explore thread */ 1795 break; 1796 1797 case USB_POWER_MODE_ON: 1798 case USB_POWER_MODE_SAVE: 1799 break; 1800 1801 case USB_POWER_MODE_RESUME: 1802 #if USB_HAVE_POWERD 1803 /* let USB-powerd handle resume */ 1804 USB_BUS_LOCK(udev->bus); 1805 udev->pwr_save.write_refs++; 1806 udev->pwr_save.last_xfer_time = ticks; 1807 USB_BUS_UNLOCK(udev->bus); 1808 1809 /* set new power mode */ 1810 usbd_set_power_mode(udev, USB_POWER_MODE_SAVE); 1811 1812 /* wait for resume to complete */ 1813 usb_pause_mtx(NULL, hz / 4); 1814 1815 /* clear write reference */ 1816 USB_BUS_LOCK(udev->bus); 1817 udev->pwr_save.write_refs--; 1818 USB_BUS_UNLOCK(udev->bus); 1819 #endif 1820 mode = USB_POWER_MODE_SAVE; 1821 break; 1822 1823 case USB_POWER_MODE_SUSPEND: 1824 #if USB_HAVE_POWERD 1825 /* let USB-powerd handle suspend */ 1826 USB_BUS_LOCK(udev->bus); 1827 udev->pwr_save.last_xfer_time = ticks - (256 * hz); 1828 USB_BUS_UNLOCK(udev->bus); 1829 #endif 1830 mode = USB_POWER_MODE_SAVE; 1831 break; 1832 1833 default: 1834 return (EINVAL); 1835 } 1836 1837 if (err) 1838 return (ENXIO); /* I/O failure */ 1839 1840 /* if we are powered off we need to re-enumerate first */ 1841 if (old_mode == USB_POWER_MODE_OFF) { 1842 if (udev->flags.usb_mode == USB_MODE_HOST && 1843 udev->re_enumerate_wait == USB_RE_ENUM_DONE) { 1844 udev->re_enumerate_wait = USB_RE_ENUM_START; 1845 } 1846 /* set power mode will wake up the explore thread */ 1847 } 1848 1849 /* set new power mode */ 1850 usbd_set_power_mode(udev, mode); 1851 1852 return (0); /* success */ 1853 } 1854 1855 static int 1856 ugen_get_power_mode(struct usb_fifo *f) 1857 { 1858 struct usb_device *udev = f->udev; 1859 1860 if (udev == NULL) 1861 return (USB_POWER_MODE_ON); 1862 1863 return (udev->power_mode); 1864 } 1865 1866 static int 1867 ugen_get_port_path(struct usb_fifo *f, struct usb_device_port_path *dpp) 1868 { 1869 struct usb_device *udev = f->udev; 1870 struct usb_device *next; 1871 unsigned int nlevel = 0; 1872 1873 if (udev == NULL) 1874 goto error; 1875 1876 dpp->udp_bus = device_get_unit(udev->bus->bdev); 1877 dpp->udp_index = udev->device_index; 1878 1879 /* count port levels */ 1880 next = udev; 1881 while (next->parent_hub != NULL) { 1882 nlevel++; 1883 next = next->parent_hub; 1884 } 1885 1886 /* check if too many levels */ 1887 if (nlevel > USB_DEVICE_PORT_PATH_MAX) 1888 goto error; 1889 1890 /* store total level of ports */ 1891 dpp->udp_port_level = nlevel; 1892 1893 /* store port index array */ 1894 next = udev; 1895 while (next->parent_hub != NULL) { 1896 dpp->udp_port_no[--nlevel] = next->port_no; 1897 next = next->parent_hub; 1898 } 1899 return (0); /* success */ 1900 1901 error: 1902 return (EINVAL); /* failure */ 1903 } 1904 1905 static int 1906 ugen_get_power_usage(struct usb_fifo *f) 1907 { 1908 struct usb_device *udev = f->udev; 1909 1910 if (udev == NULL) 1911 return (0); 1912 1913 return (udev->power); 1914 } 1915 1916 static int 1917 ugen_do_port_feature(struct usb_fifo *f, uint8_t port_no, 1918 uint8_t set, uint16_t feature) 1919 { 1920 struct usb_device *udev = f->udev; 1921 struct usb_hub *hub; 1922 int err; 1923 1924 err = priv_check(curthread, PRIV_DRIVER); 1925 if (err) { 1926 return (err); 1927 } 1928 if (port_no == 0) { 1929 return (EINVAL); 1930 } 1931 if ((udev == NULL) || 1932 (udev->hub == NULL)) { 1933 return (EINVAL); 1934 } 1935 hub = udev->hub; 1936 1937 if (port_no > hub->nports) { 1938 return (EINVAL); 1939 } 1940 if (set) 1941 err = usbd_req_set_port_feature(udev, 1942 NULL, port_no, feature); 1943 else 1944 err = usbd_req_clear_port_feature(udev, 1945 NULL, port_no, feature); 1946 1947 if (err) 1948 return (ENXIO); /* failure */ 1949 1950 return (0); /* success */ 1951 } 1952 1953 static int 1954 ugen_iface_ioctl(struct usb_fifo *f, u_long cmd, void *addr, int fflags) 1955 { 1956 struct usb_fifo *f_rx; 1957 struct usb_fifo *f_tx; 1958 int error = 0; 1959 1960 f_rx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_RX]; 1961 f_tx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_TX]; 1962 1963 switch (cmd) { 1964 case USB_SET_RX_SHORT_XFER: 1965 if (fflags & FREAD) { 1966 error = ugen_set_short_xfer(f_rx, addr); 1967 } else { 1968 error = EINVAL; 1969 } 1970 break; 1971 1972 case USB_SET_TX_FORCE_SHORT: 1973 if (fflags & FWRITE) { 1974 error = ugen_set_short_xfer(f_tx, addr); 1975 } else { 1976 error = EINVAL; 1977 } 1978 break; 1979 1980 case USB_SET_RX_TIMEOUT: 1981 if (fflags & FREAD) { 1982 error = ugen_set_timeout(f_rx, addr); 1983 } else { 1984 error = EINVAL; 1985 } 1986 break; 1987 1988 case USB_SET_TX_TIMEOUT: 1989 if (fflags & FWRITE) { 1990 error = ugen_set_timeout(f_tx, addr); 1991 } else { 1992 error = EINVAL; 1993 } 1994 break; 1995 1996 case USB_GET_RX_FRAME_SIZE: 1997 if (fflags & FREAD) { 1998 error = ugen_get_frame_size(f_rx, addr); 1999 } else { 2000 error = EINVAL; 2001 } 2002 break; 2003 2004 case USB_GET_TX_FRAME_SIZE: 2005 if (fflags & FWRITE) { 2006 error = ugen_get_frame_size(f_tx, addr); 2007 } else { 2008 error = EINVAL; 2009 } 2010 break; 2011 2012 case USB_SET_RX_BUFFER_SIZE: 2013 if (fflags & FREAD) { 2014 error = ugen_set_buffer_size(f_rx, addr); 2015 } else { 2016 error = EINVAL; 2017 } 2018 break; 2019 2020 case USB_SET_TX_BUFFER_SIZE: 2021 if (fflags & FWRITE) { 2022 error = ugen_set_buffer_size(f_tx, addr); 2023 } else { 2024 error = EINVAL; 2025 } 2026 break; 2027 2028 case USB_GET_RX_BUFFER_SIZE: 2029 if (fflags & FREAD) { 2030 error = ugen_get_buffer_size(f_rx, addr); 2031 } else { 2032 error = EINVAL; 2033 } 2034 break; 2035 2036 case USB_GET_TX_BUFFER_SIZE: 2037 if (fflags & FWRITE) { 2038 error = ugen_get_buffer_size(f_tx, addr); 2039 } else { 2040 error = EINVAL; 2041 } 2042 break; 2043 2044 case USB_GET_RX_INTERFACE_DESC: 2045 if (fflags & FREAD) { 2046 error = ugen_get_iface_desc(f_rx, addr); 2047 } else { 2048 error = EINVAL; 2049 } 2050 break; 2051 2052 case USB_GET_TX_INTERFACE_DESC: 2053 if (fflags & FWRITE) { 2054 error = ugen_get_iface_desc(f_tx, addr); 2055 } else { 2056 error = EINVAL; 2057 } 2058 break; 2059 2060 case USB_GET_RX_ENDPOINT_DESC: 2061 if (fflags & FREAD) { 2062 error = ugen_get_endpoint_desc(f_rx, addr); 2063 } else { 2064 error = EINVAL; 2065 } 2066 break; 2067 2068 case USB_GET_TX_ENDPOINT_DESC: 2069 if (fflags & FWRITE) { 2070 error = ugen_get_endpoint_desc(f_tx, addr); 2071 } else { 2072 error = EINVAL; 2073 } 2074 break; 2075 2076 case USB_SET_RX_STALL_FLAG: 2077 if ((fflags & FREAD) && (*(int *)addr)) { 2078 f_rx->flag_stall = 1; 2079 } 2080 break; 2081 2082 case USB_SET_TX_STALL_FLAG: 2083 if ((fflags & FWRITE) && (*(int *)addr)) { 2084 f_tx->flag_stall = 1; 2085 } 2086 break; 2087 2088 default: 2089 error = ENOIOCTL; 2090 break; 2091 } 2092 return (error); 2093 } 2094 2095 static int 2096 ugen_ioctl_post(struct usb_fifo *f, u_long cmd, void *addr, int fflags) 2097 { 2098 union { 2099 struct usb_interface_descriptor *idesc; 2100 struct usb_alt_interface *ai; 2101 struct usb_device_descriptor *ddesc; 2102 struct usb_config_descriptor *cdesc; 2103 struct usb_device_stats *stat; 2104 struct usb_fs_init *pinit; 2105 struct usb_fs_uninit *puninit; 2106 struct usb_device_port_path *dpp; 2107 uint32_t *ptime; 2108 void *addr; 2109 int *pint; 2110 } u; 2111 struct usb_device_descriptor *dtemp; 2112 struct usb_config_descriptor *ctemp; 2113 struct usb_interface *iface; 2114 int error = 0; 2115 uint8_t n; 2116 2117 u.addr = addr; 2118 2119 DPRINTFN(6, "cmd=0x%08lx\n", cmd); 2120 2121 switch (cmd) { 2122 case USB_DISCOVER: 2123 usb_needs_explore_all(); 2124 break; 2125 2126 case USB_SETDEBUG: 2127 if (!(fflags & FWRITE)) { 2128 error = EPERM; 2129 break; 2130 } 2131 usb_debug = *(int *)addr; 2132 break; 2133 2134 case USB_GET_CONFIG: 2135 *(int *)addr = f->udev->curr_config_index; 2136 break; 2137 2138 case USB_SET_CONFIG: 2139 if (!(fflags & FWRITE)) { 2140 error = EPERM; 2141 break; 2142 } 2143 error = ugen_set_config(f, *(int *)addr); 2144 break; 2145 2146 case USB_GET_ALTINTERFACE: 2147 iface = usbd_get_iface(f->udev, 2148 u.ai->uai_interface_index); 2149 if (iface && iface->idesc) { 2150 u.ai->uai_alt_index = iface->alt_index; 2151 } else { 2152 error = EINVAL; 2153 } 2154 break; 2155 2156 case USB_SET_ALTINTERFACE: 2157 if (!(fflags & FWRITE)) { 2158 error = EPERM; 2159 break; 2160 } 2161 error = ugen_set_interface(f, 2162 u.ai->uai_interface_index, u.ai->uai_alt_index); 2163 break; 2164 2165 case USB_GET_DEVICE_DESC: 2166 dtemp = usbd_get_device_descriptor(f->udev); 2167 if (!dtemp) { 2168 error = EIO; 2169 break; 2170 } 2171 *u.ddesc = *dtemp; 2172 break; 2173 2174 case USB_GET_CONFIG_DESC: 2175 ctemp = usbd_get_config_descriptor(f->udev); 2176 if (!ctemp) { 2177 error = EIO; 2178 break; 2179 } 2180 *u.cdesc = *ctemp; 2181 break; 2182 2183 case USB_GET_FULL_DESC: 2184 error = ugen_get_cdesc(f, addr); 2185 break; 2186 2187 case USB_GET_STRING_DESC: 2188 error = ugen_get_sdesc(f, addr); 2189 break; 2190 2191 case USB_GET_IFACE_DRIVER: 2192 error = ugen_get_iface_driver(f, addr); 2193 break; 2194 2195 case USB_REQUEST: 2196 case USB_DO_REQUEST: 2197 if (!(fflags & FWRITE)) { 2198 error = EPERM; 2199 break; 2200 } 2201 error = ugen_do_request(f, addr); 2202 break; 2203 2204 case USB_DEVICEINFO: 2205 case USB_GET_DEVICEINFO: 2206 error = ugen_fill_deviceinfo(f, addr); 2207 break; 2208 2209 case USB_DEVICESTATS: 2210 for (n = 0; n != 4; n++) { 2211 u.stat->uds_requests_fail[n] = 2212 f->udev->stats_err.uds_requests[n]; 2213 u.stat->uds_requests_ok[n] = 2214 f->udev->stats_ok.uds_requests[n]; 2215 } 2216 break; 2217 2218 case USB_DEVICEENUMERATE: 2219 error = ugen_re_enumerate(f); 2220 break; 2221 2222 case USB_GET_PLUGTIME: 2223 *u.ptime = f->udev->plugtime; 2224 break; 2225 2226 case USB_CLAIM_INTERFACE: 2227 case USB_RELEASE_INTERFACE: 2228 /* TODO */ 2229 break; 2230 2231 case USB_IFACE_DRIVER_ACTIVE: 2232 2233 n = *u.pint & 0xFF; 2234 2235 iface = usbd_get_iface(f->udev, n); 2236 2237 if (iface && iface->subdev) 2238 error = 0; 2239 else 2240 error = ENXIO; 2241 break; 2242 2243 case USB_IFACE_DRIVER_DETACH: 2244 2245 error = priv_check(curthread, PRIV_DRIVER); 2246 2247 if (error) 2248 break; 2249 2250 n = *u.pint & 0xFF; 2251 2252 if (n == USB_IFACE_INDEX_ANY) { 2253 error = EINVAL; 2254 break; 2255 } 2256 2257 /* 2258 * Detach the currently attached driver. 2259 */ 2260 usb_detach_device(f->udev, n, 0); 2261 2262 /* 2263 * Set parent to self, this should keep attach away 2264 * until the next set configuration event. 2265 */ 2266 usbd_set_parent_iface(f->udev, n, n); 2267 break; 2268 2269 case USB_SET_POWER_MODE: 2270 error = ugen_set_power_mode(f, *u.pint); 2271 break; 2272 2273 case USB_GET_POWER_MODE: 2274 *u.pint = ugen_get_power_mode(f); 2275 break; 2276 2277 case USB_GET_DEV_PORT_PATH: 2278 error = ugen_get_port_path(f, u.dpp); 2279 break; 2280 2281 case USB_GET_POWER_USAGE: 2282 *u.pint = ugen_get_power_usage(f); 2283 break; 2284 2285 case USB_SET_PORT_ENABLE: 2286 error = ugen_do_port_feature(f, 2287 *u.pint, 1, UHF_PORT_ENABLE); 2288 break; 2289 2290 case USB_SET_PORT_DISABLE: 2291 error = ugen_do_port_feature(f, 2292 *u.pint, 0, UHF_PORT_ENABLE); 2293 break; 2294 2295 case USB_FS_INIT: 2296 /* verify input parameters */ 2297 if (u.pinit->pEndpoints == NULL) { 2298 error = EINVAL; 2299 break; 2300 } 2301 if (u.pinit->ep_index_max > 127) { 2302 error = EINVAL; 2303 break; 2304 } 2305 if (u.pinit->ep_index_max == 0) { 2306 error = EINVAL; 2307 break; 2308 } 2309 if (f->fs_xfer != NULL) { 2310 error = EBUSY; 2311 break; 2312 } 2313 if (f->dev_ep_index != 0) { 2314 error = EINVAL; 2315 break; 2316 } 2317 if (ugen_fifo_in_use(f, fflags)) { 2318 error = EBUSY; 2319 break; 2320 } 2321 error = usb_fifo_alloc_buffer(f, 1, u.pinit->ep_index_max); 2322 if (error) { 2323 break; 2324 } 2325 f->fs_xfer = malloc(sizeof(f->fs_xfer[0]) * 2326 u.pinit->ep_index_max, M_USB, M_WAITOK | M_ZERO); 2327 f->fs_ep_max = u.pinit->ep_index_max; 2328 f->fs_ep_ptr = u.pinit->pEndpoints; 2329 break; 2330 2331 case USB_FS_UNINIT: 2332 if (u.puninit->dummy != 0) { 2333 error = EINVAL; 2334 break; 2335 } 2336 error = ugen_fs_uninit(f); 2337 break; 2338 2339 default: 2340 mtx_lock(f->priv_mtx); 2341 error = ugen_iface_ioctl(f, cmd, addr, fflags); 2342 mtx_unlock(f->priv_mtx); 2343 break; 2344 } 2345 DPRINTFN(6, "error=%d\n", error); 2346 return (error); 2347 } 2348 2349 static void 2350 ugen_ctrl_fs_callback(struct usb_xfer *xfer, usb_error_t error) 2351 { 2352 ; /* workaround for a bug in "indent" */ 2353 2354 DPRINTF("st=%u alen=%u aframes=%u\n", 2355 USB_GET_STATE(xfer), xfer->actlen, xfer->aframes); 2356 2357 switch (USB_GET_STATE(xfer)) { 2358 case USB_ST_SETUP: 2359 usbd_transfer_submit(xfer); 2360 break; 2361 default: 2362 ugen_fs_set_complete(xfer->priv_sc, USB_P2U(xfer->priv_fifo)); 2363 break; 2364 } 2365 } 2366 #endif /* USB_HAVE_UGEN */ 2367