1 /* $FreeBSD$ */ 2 /*- 3 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 4 * 5 * Copyright (c) 2008-2022 Hans Petter Selasky 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 int 866 ugen_do_request(struct usb_fifo *f, struct usb_ctl_request *ur) 867 { 868 int error; 869 uint16_t len; 870 uint16_t actlen; 871 872 if (usb_check_request(f->udev, &ur->ucr_request)) { 873 return (EPERM); 874 } 875 len = UGETW(ur->ucr_request.wLength); 876 877 /* check if "ucr_data" is valid */ 878 if (len != 0) { 879 if (ur->ucr_data == NULL) { 880 return (EFAULT); 881 } 882 } 883 /* do the USB request */ 884 error = usbd_do_request_flags 885 (f->udev, NULL, &ur->ucr_request, ur->ucr_data, 886 (ur->ucr_flags & USB_SHORT_XFER_OK) | 887 USB_USER_DATA_PTR, &actlen, 888 USB_DEFAULT_TIMEOUT); 889 890 ur->ucr_actlen = actlen; 891 892 if (error) { 893 error = EIO; 894 } 895 return (error); 896 } 897 898 /*------------------------------------------------------------------------ 899 * ugen_re_enumerate 900 *------------------------------------------------------------------------*/ 901 static int 902 ugen_re_enumerate(struct usb_fifo *f) 903 { 904 struct usb_device *udev = f->udev; 905 int error; 906 907 /* 908 * This request can be useful for testing USB drivers: 909 */ 910 error = priv_check(curthread, PRIV_DRIVER); 911 if (error) { 912 return (error); 913 } 914 if (udev->flags.usb_mode != USB_MODE_HOST) { 915 /* not possible in device side mode */ 916 DPRINTFN(6, "device mode\n"); 917 return (ENOTTY); 918 } 919 /* make sure all FIFO's are gone */ 920 /* else there can be a deadlock */ 921 if (ugen_fs_uninit(f)) { 922 /* ignore any errors */ 923 DPRINTFN(6, "no FIFOs\n"); 924 } 925 /* start re-enumeration of device */ 926 usbd_start_re_enumerate(udev); 927 return (0); 928 } 929 930 int 931 ugen_fs_uninit(struct usb_fifo *f) 932 { 933 if (f->fs_xfer == NULL) { 934 return (EINVAL); 935 } 936 usbd_transfer_unsetup(f->fs_xfer, f->fs_ep_max); 937 free(f->fs_xfer, M_USB); 938 f->fs_xfer = NULL; 939 f->fs_ep_max = 0; 940 f->fs_ep_ptr = NULL; 941 f->flag_iscomplete = 0; 942 usb_fifo_free_buffer(f); 943 return (0); 944 } 945 946 static uint8_t 947 ugen_fs_get_complete(struct usb_fifo *f, uint8_t *pindex) 948 { 949 struct usb_mbuf *m; 950 951 USB_IF_DEQUEUE(&f->used_q, m); 952 953 if (m) { 954 *pindex = *((uint8_t *)(m->cur_data_ptr)); 955 956 USB_IF_ENQUEUE(&f->free_q, m); 957 958 return (0); /* success */ 959 } else { 960 *pindex = 0; /* fix compiler warning */ 961 962 f->flag_iscomplete = 0; 963 } 964 return (1); /* failure */ 965 } 966 967 static void 968 ugen_fs_set_complete(struct usb_fifo *f, uint8_t index) 969 { 970 struct usb_mbuf *m; 971 972 USB_IF_DEQUEUE(&f->free_q, m); 973 974 if (m == NULL) { 975 /* can happen during close */ 976 DPRINTF("out of buffers\n"); 977 return; 978 } 979 USB_MBUF_RESET(m); 980 981 *((uint8_t *)(m->cur_data_ptr)) = index; 982 983 USB_IF_ENQUEUE(&f->used_q, m); 984 985 f->flag_iscomplete = 1; 986 987 usb_fifo_wakeup(f); 988 } 989 990 static int 991 ugen_fs_copy_in(struct usb_fifo *f, uint8_t ep_index) 992 { 993 struct usb_device_request *req; 994 struct usb_xfer *xfer; 995 struct usb_fs_endpoint fs_ep; 996 void *uaddr; /* userland pointer */ 997 void *kaddr; 998 usb_frlength_t offset; 999 usb_frlength_t rem; 1000 usb_frcount_t n; 1001 uint32_t length; 1002 int error; 1003 uint8_t isread; 1004 1005 if (ep_index >= f->fs_ep_max) { 1006 return (EINVAL); 1007 } 1008 xfer = f->fs_xfer[ep_index]; 1009 if (xfer == NULL) { 1010 return (EINVAL); 1011 } 1012 mtx_lock(f->priv_mtx); 1013 if (usbd_transfer_pending(xfer)) { 1014 mtx_unlock(f->priv_mtx); 1015 return (EBUSY); /* should not happen */ 1016 } 1017 mtx_unlock(f->priv_mtx); 1018 1019 error = copyin(f->fs_ep_ptr + 1020 ep_index, &fs_ep, sizeof(fs_ep)); 1021 if (error) { 1022 return (error); 1023 } 1024 /* security checks */ 1025 1026 if (fs_ep.nFrames > xfer->max_frame_count) { 1027 xfer->error = USB_ERR_INVAL; 1028 goto complete; 1029 } 1030 if (fs_ep.nFrames == 0) { 1031 xfer->error = USB_ERR_INVAL; 1032 goto complete; 1033 } 1034 error = copyin(fs_ep.ppBuffer, 1035 &uaddr, sizeof(uaddr)); 1036 if (error) { 1037 return (error); 1038 } 1039 /* reset first frame */ 1040 usbd_xfer_set_frame_offset(xfer, 0, 0); 1041 1042 if (xfer->flags_int.control_xfr) { 1043 req = xfer->frbuffers[0].buffer; 1044 1045 error = copyin(fs_ep.pLength, 1046 &length, sizeof(length)); 1047 if (error) { 1048 return (error); 1049 } 1050 if (length != sizeof(*req)) { 1051 xfer->error = USB_ERR_INVAL; 1052 goto complete; 1053 } 1054 if (length != 0) { 1055 error = copyin(uaddr, req, length); 1056 if (error) { 1057 return (error); 1058 } 1059 } 1060 if (usb_check_request(f->udev, req)) { 1061 xfer->error = USB_ERR_INVAL; 1062 goto complete; 1063 } 1064 usbd_xfer_set_frame_len(xfer, 0, length); 1065 1066 /* Host mode only ! */ 1067 if ((req->bmRequestType & 1068 (UT_READ | UT_WRITE)) == UT_READ) { 1069 isread = 1; 1070 } else { 1071 isread = 0; 1072 } 1073 n = 1; 1074 offset = sizeof(*req); 1075 1076 } else { 1077 /* Device and Host mode */ 1078 if (USB_GET_DATA_ISREAD(xfer)) { 1079 isread = 1; 1080 } else { 1081 isread = 0; 1082 } 1083 n = 0; 1084 offset = 0; 1085 } 1086 1087 rem = usbd_xfer_max_len(xfer); 1088 xfer->nframes = fs_ep.nFrames; 1089 xfer->timeout = fs_ep.timeout; 1090 if (xfer->timeout > 65535) { 1091 xfer->timeout = 65535; 1092 } 1093 if (fs_ep.flags & USB_FS_FLAG_SINGLE_SHORT_OK) 1094 xfer->flags.short_xfer_ok = 1; 1095 else 1096 xfer->flags.short_xfer_ok = 0; 1097 1098 if (fs_ep.flags & USB_FS_FLAG_MULTI_SHORT_OK) 1099 xfer->flags.short_frames_ok = 1; 1100 else 1101 xfer->flags.short_frames_ok = 0; 1102 1103 if (fs_ep.flags & USB_FS_FLAG_FORCE_SHORT) 1104 xfer->flags.force_short_xfer = 1; 1105 else 1106 xfer->flags.force_short_xfer = 0; 1107 1108 if (fs_ep.flags & USB_FS_FLAG_CLEAR_STALL) 1109 usbd_xfer_set_stall(xfer); 1110 else 1111 xfer->flags.stall_pipe = 0; 1112 1113 for (; n != xfer->nframes; n++) { 1114 error = copyin(fs_ep.pLength + n, 1115 &length, sizeof(length)); 1116 if (error) { 1117 break; 1118 } 1119 usbd_xfer_set_frame_len(xfer, n, length); 1120 1121 if (length > rem) { 1122 xfer->error = USB_ERR_INVAL; 1123 goto complete; 1124 } 1125 rem -= length; 1126 1127 if (!isread) { 1128 /* we need to know the source buffer */ 1129 error = copyin(fs_ep.ppBuffer + n, 1130 &uaddr, sizeof(uaddr)); 1131 if (error) { 1132 break; 1133 } 1134 if (xfer->flags_int.isochronous_xfr) { 1135 /* get kernel buffer address */ 1136 kaddr = xfer->frbuffers[0].buffer; 1137 kaddr = USB_ADD_BYTES(kaddr, offset); 1138 } else { 1139 /* set current frame offset */ 1140 usbd_xfer_set_frame_offset(xfer, offset, n); 1141 1142 /* get kernel buffer address */ 1143 kaddr = xfer->frbuffers[n].buffer; 1144 } 1145 1146 /* move data */ 1147 error = copyin(uaddr, kaddr, length); 1148 if (error) { 1149 break; 1150 } 1151 } 1152 offset += length; 1153 } 1154 return (error); 1155 1156 complete: 1157 mtx_lock(f->priv_mtx); 1158 ugen_fs_set_complete(f, ep_index); 1159 mtx_unlock(f->priv_mtx); 1160 return (0); 1161 } 1162 1163 static int 1164 ugen_fs_copy_out_cancelled(struct usb_fs_endpoint *fs_ep_uptr) 1165 { 1166 struct usb_fs_endpoint fs_ep; 1167 int error; 1168 1169 error = copyin(fs_ep_uptr, &fs_ep, sizeof(fs_ep)); 1170 if (error) 1171 return (error); 1172 1173 fs_ep.status = USB_ERR_CANCELLED; 1174 fs_ep.aFrames = 0; 1175 fs_ep.isoc_time_complete = 0; 1176 1177 /* update "aFrames" */ 1178 error = copyout(&fs_ep.aFrames, &fs_ep_uptr->aFrames, 1179 sizeof(fs_ep.aFrames)); 1180 if (error) 1181 goto done; 1182 1183 /* update "isoc_time_complete" */ 1184 error = copyout(&fs_ep.isoc_time_complete, 1185 &fs_ep_uptr->isoc_time_complete, 1186 sizeof(fs_ep.isoc_time_complete)); 1187 if (error) 1188 goto done; 1189 1190 /* update "status" */ 1191 error = copyout(&fs_ep.status, &fs_ep_uptr->status, 1192 sizeof(fs_ep.status)); 1193 done: 1194 return (error); 1195 } 1196 1197 static int 1198 ugen_fs_copy_out(struct usb_fifo *f, uint8_t ep_index) 1199 { 1200 struct usb_device_request *req; 1201 struct usb_xfer *xfer; 1202 struct usb_fs_endpoint fs_ep; 1203 struct usb_fs_endpoint *fs_ep_uptr; /* userland ptr */ 1204 void *uaddr; /* userland ptr */ 1205 void *kaddr; 1206 usb_frlength_t offset; 1207 usb_frlength_t rem; 1208 usb_frcount_t n; 1209 uint32_t length; 1210 uint32_t temp; 1211 int error; 1212 uint8_t isread; 1213 1214 if (ep_index >= f->fs_ep_max) 1215 return (EINVAL); 1216 1217 xfer = f->fs_xfer[ep_index]; 1218 if (xfer == NULL) 1219 return (EINVAL); 1220 1221 mtx_lock(f->priv_mtx); 1222 if (!xfer->flags_int.transferring && 1223 !xfer->flags_int.started) { 1224 mtx_unlock(f->priv_mtx); 1225 DPRINTF("Returning fake cancel event\n"); 1226 return (ugen_fs_copy_out_cancelled(f->fs_ep_ptr + ep_index)); 1227 } else if (usbd_transfer_pending(xfer)) { 1228 mtx_unlock(f->priv_mtx); 1229 return (EBUSY); /* should not happen */ 1230 } 1231 mtx_unlock(f->priv_mtx); 1232 1233 fs_ep_uptr = f->fs_ep_ptr + ep_index; 1234 error = copyin(fs_ep_uptr, &fs_ep, sizeof(fs_ep)); 1235 if (error) { 1236 return (error); 1237 } 1238 fs_ep.status = xfer->error; 1239 fs_ep.aFrames = xfer->aframes; 1240 fs_ep.isoc_time_complete = xfer->isoc_time_complete; 1241 if (xfer->error) { 1242 goto complete; 1243 } 1244 if (xfer->flags_int.control_xfr) { 1245 req = xfer->frbuffers[0].buffer; 1246 1247 /* Host mode only ! */ 1248 if ((req->bmRequestType & (UT_READ | UT_WRITE)) == UT_READ) { 1249 isread = 1; 1250 } else { 1251 isread = 0; 1252 } 1253 if (xfer->nframes == 0) 1254 n = 0; /* should never happen */ 1255 else 1256 n = 1; 1257 } else { 1258 /* Device and Host mode */ 1259 if (USB_GET_DATA_ISREAD(xfer)) { 1260 isread = 1; 1261 } else { 1262 isread = 0; 1263 } 1264 n = 0; 1265 } 1266 1267 /* Update lengths and copy out data */ 1268 1269 rem = usbd_xfer_max_len(xfer); 1270 offset = 0; 1271 1272 for (; n != xfer->nframes; n++) { 1273 /* get initial length into "temp" */ 1274 error = copyin(fs_ep.pLength + n, 1275 &temp, sizeof(temp)); 1276 if (error) { 1277 return (error); 1278 } 1279 if (temp > rem) { 1280 /* the userland length has been corrupted */ 1281 DPRINTF("corrupt userland length " 1282 "%u > %u\n", temp, rem); 1283 fs_ep.status = USB_ERR_INVAL; 1284 goto complete; 1285 } 1286 rem -= temp; 1287 1288 /* get actual transfer length */ 1289 length = xfer->frlengths[n]; 1290 if (length > temp) { 1291 /* data overflow */ 1292 fs_ep.status = USB_ERR_INVAL; 1293 DPRINTF("data overflow %u > %u\n", 1294 length, temp); 1295 goto complete; 1296 } 1297 if (isread) { 1298 /* we need to know the destination buffer */ 1299 error = copyin(fs_ep.ppBuffer + n, 1300 &uaddr, sizeof(uaddr)); 1301 if (error) { 1302 return (error); 1303 } 1304 if (xfer->flags_int.isochronous_xfr) { 1305 /* only one frame buffer */ 1306 kaddr = USB_ADD_BYTES( 1307 xfer->frbuffers[0].buffer, offset); 1308 } else { 1309 /* multiple frame buffers */ 1310 kaddr = xfer->frbuffers[n].buffer; 1311 } 1312 1313 /* move data */ 1314 error = copyout(kaddr, uaddr, length); 1315 if (error) { 1316 return (error); 1317 } 1318 } 1319 /* 1320 * Update offset according to initial length, which is 1321 * needed by isochronous transfers! 1322 */ 1323 offset += temp; 1324 1325 /* update length */ 1326 error = copyout(&length, 1327 fs_ep.pLength + n, sizeof(length)); 1328 if (error) { 1329 return (error); 1330 } 1331 } 1332 1333 complete: 1334 /* update "aFrames" */ 1335 error = copyout(&fs_ep.aFrames, &fs_ep_uptr->aFrames, 1336 sizeof(fs_ep.aFrames)); 1337 if (error) 1338 goto done; 1339 1340 /* update "isoc_time_complete" */ 1341 error = copyout(&fs_ep.isoc_time_complete, 1342 &fs_ep_uptr->isoc_time_complete, 1343 sizeof(fs_ep.isoc_time_complete)); 1344 if (error) 1345 goto done; 1346 1347 /* update "status" */ 1348 error = copyout(&fs_ep.status, &fs_ep_uptr->status, 1349 sizeof(fs_ep.status)); 1350 done: 1351 return (error); 1352 } 1353 1354 static uint8_t 1355 ugen_fifo_in_use(struct usb_fifo *f, int fflags) 1356 { 1357 struct usb_fifo *f_rx; 1358 struct usb_fifo *f_tx; 1359 1360 f_rx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_RX]; 1361 f_tx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_TX]; 1362 1363 if ((fflags & FREAD) && f_rx && 1364 (f_rx->xfer[0] || f_rx->xfer[1])) { 1365 return (1); /* RX FIFO in use */ 1366 } 1367 if ((fflags & FWRITE) && f_tx && 1368 (f_tx->xfer[0] || f_tx->xfer[1])) { 1369 return (1); /* TX FIFO in use */ 1370 } 1371 return (0); /* not in use */ 1372 } 1373 1374 static int 1375 ugen_ioctl(struct usb_fifo *f, u_long cmd, void *addr, int fflags) 1376 { 1377 struct usb_config usb_config[1]; 1378 struct usb_device_request req; 1379 union { 1380 struct usb_fs_complete *pcomp; 1381 struct usb_fs_start *pstart; 1382 struct usb_fs_stop *pstop; 1383 struct usb_fs_open *popen; 1384 struct usb_fs_open_stream *popen_stream; 1385 struct usb_fs_close *pclose; 1386 struct usb_fs_clear_stall_sync *pstall; 1387 void *addr; 1388 } u; 1389 struct usb_endpoint *ep; 1390 struct usb_endpoint_descriptor *ed; 1391 struct usb_xfer *xfer; 1392 int error = 0; 1393 uint8_t iface_index; 1394 uint8_t isread; 1395 uint8_t ep_index; 1396 uint8_t pre_scale; 1397 1398 u.addr = addr; 1399 1400 DPRINTFN(6, "cmd=0x%08lx\n", cmd); 1401 1402 switch (cmd) { 1403 case USB_FS_COMPLETE: 1404 mtx_lock(f->priv_mtx); 1405 error = ugen_fs_get_complete(f, &ep_index); 1406 mtx_unlock(f->priv_mtx); 1407 1408 if (error) { 1409 error = EBUSY; 1410 break; 1411 } 1412 u.pcomp->ep_index = ep_index; 1413 error = ugen_fs_copy_out(f, u.pcomp->ep_index); 1414 break; 1415 1416 case USB_FS_START: 1417 error = ugen_fs_copy_in(f, u.pstart->ep_index); 1418 if (error) 1419 break; 1420 mtx_lock(f->priv_mtx); 1421 xfer = f->fs_xfer[u.pstart->ep_index]; 1422 usbd_transfer_start(xfer); 1423 mtx_unlock(f->priv_mtx); 1424 break; 1425 1426 case USB_FS_STOP: 1427 if (u.pstop->ep_index >= f->fs_ep_max) { 1428 error = EINVAL; 1429 break; 1430 } 1431 mtx_lock(f->priv_mtx); 1432 xfer = f->fs_xfer[u.pstart->ep_index]; 1433 if (usbd_transfer_pending(xfer)) { 1434 usbd_transfer_stop(xfer); 1435 1436 /* 1437 * Check if the USB transfer was stopped 1438 * before it was even started and fake a 1439 * cancel event. 1440 */ 1441 if (!xfer->flags_int.transferring && 1442 !xfer->flags_int.started) { 1443 DPRINTF("Issuing fake completion event\n"); 1444 ugen_fs_set_complete(xfer->priv_sc, 1445 USB_P2U(xfer->priv_fifo)); 1446 } 1447 } 1448 mtx_unlock(f->priv_mtx); 1449 break; 1450 1451 case USB_FS_OPEN: 1452 case USB_FS_OPEN_STREAM: 1453 if (u.popen->ep_index >= f->fs_ep_max) { 1454 error = EINVAL; 1455 break; 1456 } 1457 if (f->fs_xfer[u.popen->ep_index] != NULL) { 1458 error = EBUSY; 1459 break; 1460 } 1461 if (u.popen->max_bufsize > USB_FS_MAX_BUFSIZE) { 1462 u.popen->max_bufsize = USB_FS_MAX_BUFSIZE; 1463 } 1464 if (u.popen->max_frames & USB_FS_MAX_FRAMES_PRE_SCALE) { 1465 pre_scale = 1; 1466 u.popen->max_frames &= ~USB_FS_MAX_FRAMES_PRE_SCALE; 1467 } else { 1468 pre_scale = 0; 1469 } 1470 if (u.popen->max_frames > USB_FS_MAX_FRAMES) { 1471 u.popen->max_frames = USB_FS_MAX_FRAMES; 1472 break; 1473 } 1474 if (u.popen->max_frames == 0) { 1475 error = EINVAL; 1476 break; 1477 } 1478 ep = usbd_get_ep_by_addr(f->udev, u.popen->ep_no); 1479 if (ep == NULL) { 1480 error = EINVAL; 1481 break; 1482 } 1483 ed = ep->edesc; 1484 if (ed == NULL) { 1485 error = ENXIO; 1486 break; 1487 } 1488 iface_index = ep->iface_index; 1489 1490 memset(usb_config, 0, sizeof(usb_config)); 1491 1492 usb_config[0].type = ed->bmAttributes & UE_XFERTYPE; 1493 usb_config[0].endpoint = ed->bEndpointAddress & UE_ADDR; 1494 usb_config[0].direction = ed->bEndpointAddress & (UE_DIR_OUT | UE_DIR_IN); 1495 usb_config[0].interval = USB_DEFAULT_INTERVAL; 1496 usb_config[0].flags.proxy_buffer = 1; 1497 if (pre_scale != 0) 1498 usb_config[0].flags.pre_scale_frames = 1; 1499 usb_config[0].callback = &ugen_ctrl_fs_callback; 1500 usb_config[0].timeout = 0; /* no timeout */ 1501 usb_config[0].frames = u.popen->max_frames; 1502 usb_config[0].bufsize = u.popen->max_bufsize; 1503 usb_config[0].usb_mode = USB_MODE_DUAL; /* both modes */ 1504 if (cmd == USB_FS_OPEN_STREAM) 1505 usb_config[0].stream_id = u.popen_stream->stream_id; 1506 1507 if (usb_config[0].type == UE_CONTROL) { 1508 if (f->udev->flags.usb_mode != USB_MODE_HOST) { 1509 error = EINVAL; 1510 break; 1511 } 1512 } else { 1513 isread = ((usb_config[0].endpoint & 1514 (UE_DIR_IN | UE_DIR_OUT)) == UE_DIR_IN); 1515 1516 if (f->udev->flags.usb_mode != USB_MODE_HOST) { 1517 isread = !isread; 1518 } 1519 /* check permissions */ 1520 if (isread) { 1521 if (!(fflags & FREAD)) { 1522 error = EPERM; 1523 break; 1524 } 1525 } else { 1526 if (!(fflags & FWRITE)) { 1527 error = EPERM; 1528 break; 1529 } 1530 } 1531 } 1532 error = usbd_transfer_setup(f->udev, &iface_index, 1533 f->fs_xfer + u.popen->ep_index, usb_config, 1, 1534 f, f->priv_mtx); 1535 if (error == 0) { 1536 /* update maximums */ 1537 u.popen->max_packet_length = 1538 f->fs_xfer[u.popen->ep_index]->max_frame_size; 1539 u.popen->max_bufsize = 1540 f->fs_xfer[u.popen->ep_index]->max_data_length; 1541 /* update number of frames */ 1542 u.popen->max_frames = 1543 f->fs_xfer[u.popen->ep_index]->nframes; 1544 /* store index of endpoint */ 1545 f->fs_xfer[u.popen->ep_index]->priv_fifo = 1546 ((uint8_t *)0) + u.popen->ep_index; 1547 } else { 1548 error = ENOMEM; 1549 } 1550 break; 1551 1552 case USB_FS_CLOSE: 1553 if (u.pclose->ep_index >= f->fs_ep_max) { 1554 error = EINVAL; 1555 break; 1556 } 1557 if (f->fs_xfer[u.pclose->ep_index] == NULL) { 1558 error = EINVAL; 1559 break; 1560 } 1561 usbd_transfer_unsetup(f->fs_xfer + u.pclose->ep_index, 1); 1562 break; 1563 1564 case USB_FS_CLEAR_STALL_SYNC: 1565 if (u.pstall->ep_index >= f->fs_ep_max) { 1566 error = EINVAL; 1567 break; 1568 } 1569 if (f->fs_xfer[u.pstall->ep_index] == NULL) { 1570 error = EINVAL; 1571 break; 1572 } 1573 if (f->udev->flags.usb_mode != USB_MODE_HOST) { 1574 error = EINVAL; 1575 break; 1576 } 1577 mtx_lock(f->priv_mtx); 1578 error = usbd_transfer_pending(f->fs_xfer[u.pstall->ep_index]); 1579 mtx_unlock(f->priv_mtx); 1580 1581 if (error) { 1582 return (EBUSY); 1583 } 1584 ep = f->fs_xfer[u.pstall->ep_index]->endpoint; 1585 1586 /* setup a clear-stall packet */ 1587 req.bmRequestType = UT_WRITE_ENDPOINT; 1588 req.bRequest = UR_CLEAR_FEATURE; 1589 USETW(req.wValue, UF_ENDPOINT_HALT); 1590 req.wIndex[0] = ep->edesc->bEndpointAddress; 1591 req.wIndex[1] = 0; 1592 USETW(req.wLength, 0); 1593 1594 error = usbd_do_request(f->udev, NULL, &req, NULL); 1595 if (error == 0) { 1596 usbd_clear_data_toggle(f->udev, ep); 1597 } else { 1598 error = ENXIO; 1599 } 1600 break; 1601 1602 default: 1603 error = ENOIOCTL; 1604 break; 1605 } 1606 1607 DPRINTFN(6, "error=%d\n", error); 1608 1609 return (error); 1610 } 1611 1612 static int 1613 ugen_set_short_xfer(struct usb_fifo *f, void *addr) 1614 { 1615 uint8_t t; 1616 1617 if (*(int *)addr) 1618 t = 1; 1619 else 1620 t = 0; 1621 1622 if (f->flag_short == t) { 1623 /* same value like before - accept */ 1624 return (0); 1625 } 1626 if (f->xfer[0] || f->xfer[1]) { 1627 /* cannot change this during transfer */ 1628 return (EBUSY); 1629 } 1630 f->flag_short = t; 1631 return (0); 1632 } 1633 1634 static int 1635 ugen_set_timeout(struct usb_fifo *f, void *addr) 1636 { 1637 f->timeout = *(int *)addr; 1638 if (f->timeout > 65535) { 1639 /* limit user input */ 1640 f->timeout = 65535; 1641 } 1642 return (0); 1643 } 1644 1645 static int 1646 ugen_get_frame_size(struct usb_fifo *f, void *addr) 1647 { 1648 if (f->xfer[0]) { 1649 *(int *)addr = f->xfer[0]->max_frame_size; 1650 } else { 1651 return (EINVAL); 1652 } 1653 return (0); 1654 } 1655 1656 static int 1657 ugen_set_buffer_size(struct usb_fifo *f, void *addr) 1658 { 1659 usb_frlength_t t; 1660 1661 if (*(int *)addr < 0) 1662 t = 0; /* use "wMaxPacketSize" */ 1663 else if (*(int *)addr < (256 * 1024)) 1664 t = *(int *)addr; 1665 else 1666 t = 256 * 1024; 1667 1668 if (f->bufsize == t) { 1669 /* same value like before - accept */ 1670 return (0); 1671 } 1672 if (f->xfer[0] || f->xfer[1]) { 1673 /* cannot change this during transfer */ 1674 return (EBUSY); 1675 } 1676 f->bufsize = t; 1677 return (0); 1678 } 1679 1680 static int 1681 ugen_get_buffer_size(struct usb_fifo *f, void *addr) 1682 { 1683 *(int *)addr = f->bufsize; 1684 return (0); 1685 } 1686 1687 static int 1688 ugen_get_iface_desc(struct usb_fifo *f, 1689 struct usb_interface_descriptor *idesc) 1690 { 1691 struct usb_interface *iface; 1692 1693 iface = usbd_get_iface(f->udev, f->iface_index); 1694 if (iface && iface->idesc) { 1695 *idesc = *(iface->idesc); 1696 } else { 1697 return (EIO); 1698 } 1699 return (0); 1700 } 1701 1702 static int 1703 ugen_get_endpoint_desc(struct usb_fifo *f, 1704 struct usb_endpoint_descriptor *ed) 1705 { 1706 struct usb_endpoint *ep; 1707 1708 ep = usb_fifo_softc(f); 1709 1710 if (ep && ep->edesc) { 1711 *ed = *ep->edesc; 1712 } else { 1713 return (EINVAL); 1714 } 1715 return (0); 1716 } 1717 1718 static int 1719 ugen_set_power_mode(struct usb_fifo *f, int mode) 1720 { 1721 struct usb_device *udev = f->udev; 1722 int err; 1723 uint8_t old_mode; 1724 1725 if ((udev == NULL) || 1726 (udev->parent_hub == NULL)) { 1727 return (EINVAL); 1728 } 1729 err = priv_check(curthread, PRIV_DRIVER); 1730 if (err) 1731 return (err); 1732 1733 /* get old power mode */ 1734 old_mode = udev->power_mode; 1735 1736 /* if no change, then just return */ 1737 if (old_mode == mode) 1738 return (0); 1739 1740 switch (mode) { 1741 case USB_POWER_MODE_OFF: 1742 if (udev->flags.usb_mode == USB_MODE_HOST && 1743 udev->re_enumerate_wait == USB_RE_ENUM_DONE) { 1744 udev->re_enumerate_wait = USB_RE_ENUM_PWR_OFF; 1745 } 1746 /* set power mode will wake up the explore thread */ 1747 break; 1748 1749 case USB_POWER_MODE_ON: 1750 case USB_POWER_MODE_SAVE: 1751 break; 1752 1753 case USB_POWER_MODE_RESUME: 1754 #if USB_HAVE_POWERD 1755 /* let USB-powerd handle resume */ 1756 USB_BUS_LOCK(udev->bus); 1757 udev->pwr_save.write_refs++; 1758 udev->pwr_save.last_xfer_time = ticks; 1759 USB_BUS_UNLOCK(udev->bus); 1760 1761 /* set new power mode */ 1762 usbd_set_power_mode(udev, USB_POWER_MODE_SAVE); 1763 1764 /* wait for resume to complete */ 1765 usb_pause_mtx(NULL, hz / 4); 1766 1767 /* clear write reference */ 1768 USB_BUS_LOCK(udev->bus); 1769 udev->pwr_save.write_refs--; 1770 USB_BUS_UNLOCK(udev->bus); 1771 #endif 1772 mode = USB_POWER_MODE_SAVE; 1773 break; 1774 1775 case USB_POWER_MODE_SUSPEND: 1776 #if USB_HAVE_POWERD 1777 /* let USB-powerd handle suspend */ 1778 USB_BUS_LOCK(udev->bus); 1779 udev->pwr_save.last_xfer_time = ticks - (256 * hz); 1780 USB_BUS_UNLOCK(udev->bus); 1781 #endif 1782 mode = USB_POWER_MODE_SAVE; 1783 break; 1784 1785 default: 1786 return (EINVAL); 1787 } 1788 1789 if (err) 1790 return (ENXIO); /* I/O failure */ 1791 1792 /* if we are powered off we need to re-enumerate first */ 1793 if (old_mode == USB_POWER_MODE_OFF) { 1794 if (udev->flags.usb_mode == USB_MODE_HOST && 1795 udev->re_enumerate_wait == USB_RE_ENUM_DONE) { 1796 udev->re_enumerate_wait = USB_RE_ENUM_START; 1797 } 1798 /* set power mode will wake up the explore thread */ 1799 } 1800 1801 /* set new power mode */ 1802 usbd_set_power_mode(udev, mode); 1803 1804 return (0); /* success */ 1805 } 1806 1807 static int 1808 ugen_get_power_mode(struct usb_fifo *f) 1809 { 1810 struct usb_device *udev = f->udev; 1811 1812 if (udev == NULL) 1813 return (USB_POWER_MODE_ON); 1814 1815 return (udev->power_mode); 1816 } 1817 1818 static int 1819 ugen_get_port_path(struct usb_fifo *f, struct usb_device_port_path *dpp) 1820 { 1821 struct usb_device *udev = f->udev; 1822 struct usb_device *next; 1823 unsigned int nlevel = 0; 1824 1825 if (udev == NULL) 1826 goto error; 1827 1828 dpp->udp_bus = device_get_unit(udev->bus->bdev); 1829 dpp->udp_index = udev->device_index; 1830 1831 /* count port levels */ 1832 next = udev; 1833 while (next->parent_hub != NULL) { 1834 nlevel++; 1835 next = next->parent_hub; 1836 } 1837 1838 /* check if too many levels */ 1839 if (nlevel > USB_DEVICE_PORT_PATH_MAX) 1840 goto error; 1841 1842 /* store total level of ports */ 1843 dpp->udp_port_level = nlevel; 1844 1845 /* store port index array */ 1846 next = udev; 1847 while (next->parent_hub != NULL) { 1848 dpp->udp_port_no[--nlevel] = next->port_no; 1849 next = next->parent_hub; 1850 } 1851 return (0); /* success */ 1852 1853 error: 1854 return (EINVAL); /* failure */ 1855 } 1856 1857 static int 1858 ugen_get_power_usage(struct usb_fifo *f) 1859 { 1860 struct usb_device *udev = f->udev; 1861 1862 if (udev == NULL) 1863 return (0); 1864 1865 return (udev->power); 1866 } 1867 1868 static int 1869 ugen_do_port_feature(struct usb_fifo *f, uint8_t port_no, 1870 uint8_t set, uint16_t feature) 1871 { 1872 struct usb_device *udev = f->udev; 1873 struct usb_hub *hub; 1874 int err; 1875 1876 err = priv_check(curthread, PRIV_DRIVER); 1877 if (err) { 1878 return (err); 1879 } 1880 if (port_no == 0) { 1881 return (EINVAL); 1882 } 1883 if ((udev == NULL) || 1884 (udev->hub == NULL)) { 1885 return (EINVAL); 1886 } 1887 hub = udev->hub; 1888 1889 if (port_no > hub->nports) { 1890 return (EINVAL); 1891 } 1892 if (set) 1893 err = usbd_req_set_port_feature(udev, 1894 NULL, port_no, feature); 1895 else 1896 err = usbd_req_clear_port_feature(udev, 1897 NULL, port_no, feature); 1898 1899 if (err) 1900 return (ENXIO); /* failure */ 1901 1902 return (0); /* success */ 1903 } 1904 1905 static int 1906 ugen_iface_ioctl(struct usb_fifo *f, u_long cmd, void *addr, int fflags) 1907 { 1908 struct usb_fifo *f_rx; 1909 struct usb_fifo *f_tx; 1910 int error = 0; 1911 1912 f_rx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_RX]; 1913 f_tx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_TX]; 1914 1915 switch (cmd) { 1916 case USB_SET_RX_SHORT_XFER: 1917 if (fflags & FREAD) { 1918 error = ugen_set_short_xfer(f_rx, addr); 1919 } else { 1920 error = EINVAL; 1921 } 1922 break; 1923 1924 case USB_SET_TX_FORCE_SHORT: 1925 if (fflags & FWRITE) { 1926 error = ugen_set_short_xfer(f_tx, addr); 1927 } else { 1928 error = EINVAL; 1929 } 1930 break; 1931 1932 case USB_SET_RX_TIMEOUT: 1933 if (fflags & FREAD) { 1934 error = ugen_set_timeout(f_rx, addr); 1935 } else { 1936 error = EINVAL; 1937 } 1938 break; 1939 1940 case USB_SET_TX_TIMEOUT: 1941 if (fflags & FWRITE) { 1942 error = ugen_set_timeout(f_tx, addr); 1943 } else { 1944 error = EINVAL; 1945 } 1946 break; 1947 1948 case USB_GET_RX_FRAME_SIZE: 1949 if (fflags & FREAD) { 1950 error = ugen_get_frame_size(f_rx, addr); 1951 } else { 1952 error = EINVAL; 1953 } 1954 break; 1955 1956 case USB_GET_TX_FRAME_SIZE: 1957 if (fflags & FWRITE) { 1958 error = ugen_get_frame_size(f_tx, addr); 1959 } else { 1960 error = EINVAL; 1961 } 1962 break; 1963 1964 case USB_SET_RX_BUFFER_SIZE: 1965 if (fflags & FREAD) { 1966 error = ugen_set_buffer_size(f_rx, addr); 1967 } else { 1968 error = EINVAL; 1969 } 1970 break; 1971 1972 case USB_SET_TX_BUFFER_SIZE: 1973 if (fflags & FWRITE) { 1974 error = ugen_set_buffer_size(f_tx, addr); 1975 } else { 1976 error = EINVAL; 1977 } 1978 break; 1979 1980 case USB_GET_RX_BUFFER_SIZE: 1981 if (fflags & FREAD) { 1982 error = ugen_get_buffer_size(f_rx, addr); 1983 } else { 1984 error = EINVAL; 1985 } 1986 break; 1987 1988 case USB_GET_TX_BUFFER_SIZE: 1989 if (fflags & FWRITE) { 1990 error = ugen_get_buffer_size(f_tx, addr); 1991 } else { 1992 error = EINVAL; 1993 } 1994 break; 1995 1996 case USB_GET_RX_INTERFACE_DESC: 1997 if (fflags & FREAD) { 1998 error = ugen_get_iface_desc(f_rx, addr); 1999 } else { 2000 error = EINVAL; 2001 } 2002 break; 2003 2004 case USB_GET_TX_INTERFACE_DESC: 2005 if (fflags & FWRITE) { 2006 error = ugen_get_iface_desc(f_tx, addr); 2007 } else { 2008 error = EINVAL; 2009 } 2010 break; 2011 2012 case USB_GET_RX_ENDPOINT_DESC: 2013 if (fflags & FREAD) { 2014 error = ugen_get_endpoint_desc(f_rx, addr); 2015 } else { 2016 error = EINVAL; 2017 } 2018 break; 2019 2020 case USB_GET_TX_ENDPOINT_DESC: 2021 if (fflags & FWRITE) { 2022 error = ugen_get_endpoint_desc(f_tx, addr); 2023 } else { 2024 error = EINVAL; 2025 } 2026 break; 2027 2028 case USB_SET_RX_STALL_FLAG: 2029 if ((fflags & FREAD) && (*(int *)addr)) { 2030 f_rx->flag_stall = 1; 2031 } 2032 break; 2033 2034 case USB_SET_TX_STALL_FLAG: 2035 if ((fflags & FWRITE) && (*(int *)addr)) { 2036 f_tx->flag_stall = 1; 2037 } 2038 break; 2039 2040 default: 2041 error = ENOIOCTL; 2042 break; 2043 } 2044 return (error); 2045 } 2046 2047 static int 2048 ugen_ioctl_post(struct usb_fifo *f, u_long cmd, void *addr, int fflags) 2049 { 2050 union { 2051 struct usb_interface_descriptor *idesc; 2052 struct usb_alt_interface *ai; 2053 struct usb_device_descriptor *ddesc; 2054 struct usb_config_descriptor *cdesc; 2055 struct usb_device_stats *stat; 2056 struct usb_fs_init *pinit; 2057 struct usb_fs_uninit *puninit; 2058 struct usb_device_port_path *dpp; 2059 uint32_t *ptime; 2060 void *addr; 2061 int *pint; 2062 } u; 2063 struct usb_device_descriptor *dtemp; 2064 struct usb_config_descriptor *ctemp; 2065 struct usb_interface *iface; 2066 int error = 0; 2067 uint8_t n; 2068 2069 u.addr = addr; 2070 2071 DPRINTFN(6, "cmd=0x%08lx\n", cmd); 2072 2073 switch (cmd) { 2074 case USB_DISCOVER: 2075 usb_needs_explore_all(); 2076 break; 2077 2078 case USB_SETDEBUG: 2079 if (!(fflags & FWRITE)) { 2080 error = EPERM; 2081 break; 2082 } 2083 usb_debug = *(int *)addr; 2084 break; 2085 2086 case USB_GET_CONFIG: 2087 *(int *)addr = f->udev->curr_config_index; 2088 break; 2089 2090 case USB_SET_CONFIG: 2091 if (!(fflags & FWRITE)) { 2092 error = EPERM; 2093 break; 2094 } 2095 error = ugen_set_config(f, *(int *)addr); 2096 break; 2097 2098 case USB_GET_ALTINTERFACE: 2099 iface = usbd_get_iface(f->udev, 2100 u.ai->uai_interface_index); 2101 if (iface && iface->idesc) { 2102 u.ai->uai_alt_index = iface->alt_index; 2103 } else { 2104 error = EINVAL; 2105 } 2106 break; 2107 2108 case USB_SET_ALTINTERFACE: 2109 if (!(fflags & FWRITE)) { 2110 error = EPERM; 2111 break; 2112 } 2113 error = ugen_set_interface(f, 2114 u.ai->uai_interface_index, u.ai->uai_alt_index); 2115 break; 2116 2117 case USB_GET_DEVICE_DESC: 2118 dtemp = usbd_get_device_descriptor(f->udev); 2119 if (!dtemp) { 2120 error = EIO; 2121 break; 2122 } 2123 *u.ddesc = *dtemp; 2124 break; 2125 2126 case USB_GET_CONFIG_DESC: 2127 ctemp = usbd_get_config_descriptor(f->udev); 2128 if (!ctemp) { 2129 error = EIO; 2130 break; 2131 } 2132 *u.cdesc = *ctemp; 2133 break; 2134 2135 case USB_GET_FULL_DESC: 2136 error = ugen_get_cdesc(f, addr); 2137 break; 2138 2139 case USB_GET_STRING_DESC: 2140 error = ugen_get_sdesc(f, addr); 2141 break; 2142 2143 case USB_GET_IFACE_DRIVER: 2144 error = ugen_get_iface_driver(f, addr); 2145 break; 2146 2147 case USB_REQUEST: 2148 case USB_DO_REQUEST: 2149 if (!(fflags & FWRITE)) { 2150 error = EPERM; 2151 break; 2152 } 2153 error = ugen_do_request(f, addr); 2154 break; 2155 2156 case USB_DEVICEINFO: 2157 case USB_GET_DEVICEINFO: 2158 error = ugen_fill_deviceinfo(f, addr); 2159 break; 2160 2161 case USB_DEVICESTATS: 2162 for (n = 0; n != 4; n++) { 2163 u.stat->uds_requests_fail[n] = 2164 f->udev->stats_err.uds_requests[n]; 2165 u.stat->uds_requests_ok[n] = 2166 f->udev->stats_ok.uds_requests[n]; 2167 } 2168 break; 2169 2170 case USB_DEVICEENUMERATE: 2171 error = ugen_re_enumerate(f); 2172 break; 2173 2174 case USB_GET_PLUGTIME: 2175 *u.ptime = f->udev->plugtime; 2176 break; 2177 2178 case USB_CLAIM_INTERFACE: 2179 case USB_RELEASE_INTERFACE: 2180 /* TODO */ 2181 break; 2182 2183 case USB_IFACE_DRIVER_ACTIVE: 2184 2185 n = *u.pint & 0xFF; 2186 2187 iface = usbd_get_iface(f->udev, n); 2188 2189 if (iface && iface->subdev) 2190 error = 0; 2191 else 2192 error = ENXIO; 2193 break; 2194 2195 case USB_IFACE_DRIVER_DETACH: 2196 2197 error = priv_check(curthread, PRIV_DRIVER); 2198 2199 if (error) 2200 break; 2201 2202 n = *u.pint & 0xFF; 2203 2204 if (n == USB_IFACE_INDEX_ANY) { 2205 error = EINVAL; 2206 break; 2207 } 2208 2209 /* 2210 * Detach the currently attached driver. 2211 */ 2212 usb_detach_device(f->udev, n, 0); 2213 2214 /* 2215 * Set parent to self, this should keep attach away 2216 * until the next set configuration event. 2217 */ 2218 usbd_set_parent_iface(f->udev, n, n); 2219 break; 2220 2221 case USB_SET_POWER_MODE: 2222 error = ugen_set_power_mode(f, *u.pint); 2223 break; 2224 2225 case USB_GET_POWER_MODE: 2226 *u.pint = ugen_get_power_mode(f); 2227 break; 2228 2229 case USB_GET_DEV_PORT_PATH: 2230 error = ugen_get_port_path(f, u.dpp); 2231 break; 2232 2233 case USB_GET_POWER_USAGE: 2234 *u.pint = ugen_get_power_usage(f); 2235 break; 2236 2237 case USB_SET_PORT_ENABLE: 2238 error = ugen_do_port_feature(f, 2239 *u.pint, 1, UHF_PORT_ENABLE); 2240 break; 2241 2242 case USB_SET_PORT_DISABLE: 2243 error = ugen_do_port_feature(f, 2244 *u.pint, 0, UHF_PORT_ENABLE); 2245 break; 2246 2247 case USB_FS_INIT: 2248 /* verify input parameters */ 2249 if (u.pinit->pEndpoints == NULL) { 2250 error = EINVAL; 2251 break; 2252 } 2253 if (u.pinit->ep_index_max > 127) { 2254 error = EINVAL; 2255 break; 2256 } 2257 if (u.pinit->ep_index_max == 0) { 2258 error = EINVAL; 2259 break; 2260 } 2261 if (f->fs_xfer != NULL) { 2262 error = EBUSY; 2263 break; 2264 } 2265 if (f->dev_ep_index != 0) { 2266 error = EINVAL; 2267 break; 2268 } 2269 if (ugen_fifo_in_use(f, fflags)) { 2270 error = EBUSY; 2271 break; 2272 } 2273 error = usb_fifo_alloc_buffer(f, 1, u.pinit->ep_index_max); 2274 if (error) { 2275 break; 2276 } 2277 f->fs_xfer = malloc(sizeof(f->fs_xfer[0]) * 2278 u.pinit->ep_index_max, M_USB, M_WAITOK | M_ZERO); 2279 f->fs_ep_max = u.pinit->ep_index_max; 2280 f->fs_ep_ptr = u.pinit->pEndpoints; 2281 break; 2282 2283 case USB_FS_UNINIT: 2284 if (u.puninit->dummy != 0) { 2285 error = EINVAL; 2286 break; 2287 } 2288 error = ugen_fs_uninit(f); 2289 break; 2290 2291 default: 2292 mtx_lock(f->priv_mtx); 2293 error = ugen_iface_ioctl(f, cmd, addr, fflags); 2294 mtx_unlock(f->priv_mtx); 2295 break; 2296 } 2297 DPRINTFN(6, "error=%d\n", error); 2298 return (error); 2299 } 2300 2301 static void 2302 ugen_ctrl_fs_callback(struct usb_xfer *xfer, usb_error_t error) 2303 { 2304 ; /* workaround for a bug in "indent" */ 2305 2306 DPRINTF("st=%u alen=%u aframes=%u\n", 2307 USB_GET_STATE(xfer), xfer->actlen, xfer->aframes); 2308 2309 switch (USB_GET_STATE(xfer)) { 2310 case USB_ST_SETUP: 2311 usbd_transfer_submit(xfer); 2312 break; 2313 default: 2314 ugen_fs_set_complete(xfer->priv_sc, USB_P2U(xfer->priv_fifo)); 2315 break; 2316 } 2317 } 2318 #endif /* USB_HAVE_UGEN */ 2319