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 usb_gen_fill_deviceinfo(struct usb_fifo *, 113 struct usb_device_info *); 114 static int ugen_re_enumerate(struct usb_fifo *); 115 static int ugen_iface_ioctl(struct usb_fifo *, u_long, void *, int); 116 static uint8_t ugen_fs_get_complete(struct usb_fifo *, uint8_t *); 117 static int ugen_fs_uninit(struct usb_fifo *f); 118 119 /* structures */ 120 121 struct usb_fifo_methods usb_ugen_methods = { 122 .f_open = &ugen_open, 123 .f_close = &ugen_close, 124 .f_ioctl = &ugen_ioctl, 125 .f_ioctl_post = &ugen_ioctl_post, 126 .f_start_read = &ugen_start_read, 127 .f_stop_read = &ugen_stop_io, 128 .f_start_write = &ugen_start_write, 129 .f_stop_write = &ugen_stop_io, 130 }; 131 132 #ifdef USB_DEBUG 133 static int ugen_debug = 0; 134 135 static SYSCTL_NODE(_hw_usb, OID_AUTO, ugen, CTLFLAG_RW, 0, "USB generic"); 136 SYSCTL_INT(_hw_usb_ugen, OID_AUTO, debug, CTLFLAG_RWTUN, &ugen_debug, 137 0, "Debug level"); 138 #endif 139 140 141 /* prototypes */ 142 143 static int 144 ugen_transfer_setup(struct usb_fifo *f, 145 const struct usb_config *setup, uint8_t n_setup) 146 { 147 struct usb_endpoint *ep = usb_fifo_softc(f); 148 struct usb_device *udev = f->udev; 149 uint8_t iface_index = ep->iface_index; 150 int error; 151 152 mtx_unlock(f->priv_mtx); 153 154 /* 155 * "usbd_transfer_setup()" can sleep so one needs to make a wrapper, 156 * exiting the mutex and checking things 157 */ 158 error = usbd_transfer_setup(udev, &iface_index, f->xfer, 159 setup, n_setup, f, f->priv_mtx); 160 if (error == 0) { 161 162 if (f->xfer[0]->nframes == 1) { 163 error = usb_fifo_alloc_buffer(f, 164 f->xfer[0]->max_data_length, 2); 165 } else { 166 error = usb_fifo_alloc_buffer(f, 167 f->xfer[0]->max_frame_size, 168 2 * f->xfer[0]->nframes); 169 } 170 if (error) { 171 usbd_transfer_unsetup(f->xfer, n_setup); 172 } 173 } 174 mtx_lock(f->priv_mtx); 175 176 return (error); 177 } 178 179 static int 180 ugen_open(struct usb_fifo *f, int fflags) 181 { 182 struct usb_endpoint *ep = usb_fifo_softc(f); 183 struct usb_endpoint_descriptor *ed = ep->edesc; 184 uint8_t type; 185 186 DPRINTFN(6, "flag=0x%x\n", fflags); 187 188 mtx_lock(f->priv_mtx); 189 switch (usbd_get_speed(f->udev)) { 190 case USB_SPEED_LOW: 191 case USB_SPEED_FULL: 192 f->nframes = UGEN_HW_FRAMES; 193 f->bufsize = UGEN_BULK_FS_BUFFER_SIZE; 194 break; 195 default: 196 f->nframes = UGEN_HW_FRAMES * 8; 197 f->bufsize = UGEN_BULK_HS_BUFFER_SIZE; 198 break; 199 } 200 201 type = ed->bmAttributes & UE_XFERTYPE; 202 if (type == UE_INTERRUPT) { 203 f->bufsize = 0; /* use "wMaxPacketSize" */ 204 } 205 f->timeout = USB_NO_TIMEOUT; 206 f->flag_short = 0; 207 f->fifo_zlp = 0; 208 mtx_unlock(f->priv_mtx); 209 210 return (0); 211 } 212 213 static void 214 ugen_close(struct usb_fifo *f, int fflags) 215 { 216 DPRINTFN(6, "flag=0x%x\n", fflags); 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 { 737 738 if (size > ((uint8_t *)ptr)[0]) { 739 size = ((uint8_t *)ptr)[0]; 740 } 741 if (size > ugd->ugd_maxlen) { 742 size = ugd->ugd_maxlen; 743 } 744 ugd->ugd_actlen = size; 745 ugd->ugd_offset = 0; 746 747 error = copyout(ptr, ugd->ugd_data, size); 748 } 749 if (do_unlock) 750 usbd_ctrl_unlock(f->udev); 751 752 return (error); 753 } 754 755 /*------------------------------------------------------------------------* 756 * ugen_get_iface_driver 757 * 758 * This function generates an USB interface description for userland. 759 * 760 * Returns: 761 * 0: Success 762 * Else: Failure 763 *------------------------------------------------------------------------*/ 764 static int 765 ugen_get_iface_driver(struct usb_fifo *f, struct usb_gen_descriptor *ugd) 766 { 767 struct usb_device *udev = f->udev; 768 struct usb_interface *iface; 769 const char *ptr; 770 const char *desc; 771 unsigned int len; 772 unsigned int maxlen; 773 char buf[128]; 774 int error; 775 776 DPRINTFN(6, "\n"); 777 778 if ((ugd->ugd_data == NULL) || (ugd->ugd_maxlen == 0)) { 779 /* userland pointer should not be zero */ 780 return (EINVAL); 781 } 782 783 iface = usbd_get_iface(udev, ugd->ugd_iface_index); 784 if ((iface == NULL) || (iface->idesc == NULL)) { 785 /* invalid interface index */ 786 return (EINVAL); 787 } 788 789 /* read out device nameunit string, if any */ 790 if ((iface->subdev != NULL) && 791 device_is_attached(iface->subdev) && 792 (ptr = device_get_nameunit(iface->subdev)) && 793 (desc = device_get_desc(iface->subdev))) { 794 795 /* print description */ 796 snprintf(buf, sizeof(buf), "%s: <%s>", ptr, desc); 797 798 /* range checks */ 799 maxlen = ugd->ugd_maxlen - 1; 800 len = strlen(buf); 801 if (len > maxlen) 802 len = maxlen; 803 804 /* update actual length, including terminating zero */ 805 ugd->ugd_actlen = len + 1; 806 807 /* copy out interface description */ 808 error = copyout(buf, ugd->ugd_data, ugd->ugd_actlen); 809 } else { 810 /* zero length string is default */ 811 error = copyout("", ugd->ugd_data, 1); 812 } 813 return (error); 814 } 815 816 /*------------------------------------------------------------------------* 817 * usb_gen_fill_deviceinfo 818 * 819 * This function dumps information about an USB device to the 820 * structure pointed to by the "di" argument. 821 * 822 * Returns: 823 * 0: Success 824 * Else: Failure 825 *------------------------------------------------------------------------*/ 826 static int 827 usb_gen_fill_deviceinfo(struct usb_fifo *f, struct usb_device_info *di) 828 { 829 struct usb_device *udev; 830 struct usb_device *hub; 831 832 udev = f->udev; 833 834 bzero(di, sizeof(di[0])); 835 836 di->udi_bus = device_get_unit(udev->bus->bdev); 837 di->udi_addr = udev->address; 838 di->udi_index = udev->device_index; 839 strlcpy(di->udi_serial, usb_get_serial(udev), sizeof(di->udi_serial)); 840 strlcpy(di->udi_vendor, usb_get_manufacturer(udev), sizeof(di->udi_vendor)); 841 strlcpy(di->udi_product, usb_get_product(udev), sizeof(di->udi_product)); 842 usb_printbcd(di->udi_release, sizeof(di->udi_release), 843 UGETW(udev->ddesc.bcdDevice)); 844 di->udi_vendorNo = UGETW(udev->ddesc.idVendor); 845 di->udi_productNo = UGETW(udev->ddesc.idProduct); 846 di->udi_releaseNo = UGETW(udev->ddesc.bcdDevice); 847 di->udi_class = udev->ddesc.bDeviceClass; 848 di->udi_subclass = udev->ddesc.bDeviceSubClass; 849 di->udi_protocol = udev->ddesc.bDeviceProtocol; 850 di->udi_config_no = udev->curr_config_no; 851 di->udi_config_index = udev->curr_config_index; 852 di->udi_power = udev->flags.self_powered ? 0 : udev->power; 853 di->udi_speed = udev->speed; 854 di->udi_mode = udev->flags.usb_mode; 855 di->udi_power_mode = udev->power_mode; 856 di->udi_suspended = udev->flags.peer_suspended; 857 858 hub = udev->parent_hub; 859 if (hub) { 860 di->udi_hubaddr = hub->address; 861 di->udi_hubindex = hub->device_index; 862 di->udi_hubport = udev->port_no; 863 } 864 return (0); 865 } 866 867 /*------------------------------------------------------------------------* 868 * ugen_check_request 869 * 870 * Return values: 871 * 0: Access allowed 872 * Else: No access 873 *------------------------------------------------------------------------*/ 874 static int 875 ugen_check_request(struct usb_device *udev, struct usb_device_request *req) 876 { 877 struct usb_endpoint *ep; 878 int error; 879 880 /* 881 * Avoid requests that would damage the bus integrity: 882 */ 883 if (((req->bmRequestType == UT_WRITE_DEVICE) && 884 (req->bRequest == UR_SET_ADDRESS)) || 885 ((req->bmRequestType == UT_WRITE_DEVICE) && 886 (req->bRequest == UR_SET_CONFIG)) || 887 ((req->bmRequestType == UT_WRITE_INTERFACE) && 888 (req->bRequest == UR_SET_INTERFACE))) { 889 /* 890 * These requests can be useful for testing USB drivers. 891 */ 892 error = priv_check(curthread, PRIV_DRIVER); 893 if (error) { 894 return (error); 895 } 896 } 897 /* 898 * Special case - handle clearing of stall 899 */ 900 if (req->bmRequestType == UT_WRITE_ENDPOINT) { 901 902 ep = usbd_get_ep_by_addr(udev, req->wIndex[0]); 903 if (ep == NULL) { 904 return (EINVAL); 905 } 906 if ((req->bRequest == UR_CLEAR_FEATURE) && 907 (UGETW(req->wValue) == UF_ENDPOINT_HALT)) { 908 usbd_clear_data_toggle(udev, ep); 909 } 910 } 911 /* TODO: add more checks to verify the interface index */ 912 913 return (0); 914 } 915 916 int 917 ugen_do_request(struct usb_fifo *f, struct usb_ctl_request *ur) 918 { 919 int error; 920 uint16_t len; 921 uint16_t actlen; 922 923 if (ugen_check_request(f->udev, &ur->ucr_request)) { 924 return (EPERM); 925 } 926 len = UGETW(ur->ucr_request.wLength); 927 928 /* check if "ucr_data" is valid */ 929 if (len != 0) { 930 if (ur->ucr_data == NULL) { 931 return (EFAULT); 932 } 933 } 934 /* do the USB request */ 935 error = usbd_do_request_flags 936 (f->udev, NULL, &ur->ucr_request, ur->ucr_data, 937 (ur->ucr_flags & USB_SHORT_XFER_OK) | 938 USB_USER_DATA_PTR, &actlen, 939 USB_DEFAULT_TIMEOUT); 940 941 ur->ucr_actlen = actlen; 942 943 if (error) { 944 error = EIO; 945 } 946 return (error); 947 } 948 949 /*------------------------------------------------------------------------ 950 * ugen_re_enumerate 951 *------------------------------------------------------------------------*/ 952 static int 953 ugen_re_enumerate(struct usb_fifo *f) 954 { 955 struct usb_device *udev = f->udev; 956 int error; 957 958 /* 959 * This request can be useful for testing USB drivers: 960 */ 961 error = priv_check(curthread, PRIV_DRIVER); 962 if (error) { 963 return (error); 964 } 965 if (udev->flags.usb_mode != USB_MODE_HOST) { 966 /* not possible in device side mode */ 967 DPRINTFN(6, "device mode\n"); 968 return (ENOTTY); 969 } 970 /* make sure all FIFO's are gone */ 971 /* else there can be a deadlock */ 972 if (ugen_fs_uninit(f)) { 973 /* ignore any errors */ 974 DPRINTFN(6, "no FIFOs\n"); 975 } 976 /* start re-enumeration of device */ 977 usbd_start_re_enumerate(udev); 978 return (0); 979 } 980 981 int 982 ugen_fs_uninit(struct usb_fifo *f) 983 { 984 if (f->fs_xfer == NULL) { 985 return (EINVAL); 986 } 987 usbd_transfer_unsetup(f->fs_xfer, f->fs_ep_max); 988 free(f->fs_xfer, M_USB); 989 f->fs_xfer = NULL; 990 f->fs_ep_max = 0; 991 f->fs_ep_ptr = NULL; 992 f->flag_iscomplete = 0; 993 usb_fifo_free_buffer(f); 994 return (0); 995 } 996 997 static uint8_t 998 ugen_fs_get_complete(struct usb_fifo *f, uint8_t *pindex) 999 { 1000 struct usb_mbuf *m; 1001 1002 USB_IF_DEQUEUE(&f->used_q, m); 1003 1004 if (m) { 1005 *pindex = *((uint8_t *)(m->cur_data_ptr)); 1006 1007 USB_IF_ENQUEUE(&f->free_q, m); 1008 1009 return (0); /* success */ 1010 } else { 1011 1012 *pindex = 0; /* fix compiler warning */ 1013 1014 f->flag_iscomplete = 0; 1015 } 1016 return (1); /* failure */ 1017 } 1018 1019 static void 1020 ugen_fs_set_complete(struct usb_fifo *f, uint8_t index) 1021 { 1022 struct usb_mbuf *m; 1023 1024 USB_IF_DEQUEUE(&f->free_q, m); 1025 1026 if (m == NULL) { 1027 /* can happen during close */ 1028 DPRINTF("out of buffers\n"); 1029 return; 1030 } 1031 USB_MBUF_RESET(m); 1032 1033 *((uint8_t *)(m->cur_data_ptr)) = index; 1034 1035 USB_IF_ENQUEUE(&f->used_q, m); 1036 1037 f->flag_iscomplete = 1; 1038 1039 usb_fifo_wakeup(f); 1040 } 1041 1042 static int 1043 ugen_fs_copy_in(struct usb_fifo *f, uint8_t ep_index) 1044 { 1045 struct usb_device_request *req; 1046 struct usb_xfer *xfer; 1047 struct usb_fs_endpoint fs_ep; 1048 void *uaddr; /* userland pointer */ 1049 void *kaddr; 1050 usb_frlength_t offset; 1051 usb_frlength_t rem; 1052 usb_frcount_t n; 1053 uint32_t length; 1054 int error; 1055 uint8_t isread; 1056 1057 if (ep_index >= f->fs_ep_max) { 1058 return (EINVAL); 1059 } 1060 xfer = f->fs_xfer[ep_index]; 1061 if (xfer == NULL) { 1062 return (EINVAL); 1063 } 1064 mtx_lock(f->priv_mtx); 1065 if (usbd_transfer_pending(xfer)) { 1066 mtx_unlock(f->priv_mtx); 1067 return (EBUSY); /* should not happen */ 1068 } 1069 mtx_unlock(f->priv_mtx); 1070 1071 error = copyin(f->fs_ep_ptr + 1072 ep_index, &fs_ep, sizeof(fs_ep)); 1073 if (error) { 1074 return (error); 1075 } 1076 /* security checks */ 1077 1078 if (fs_ep.nFrames > xfer->max_frame_count) { 1079 xfer->error = USB_ERR_INVAL; 1080 goto complete; 1081 } 1082 if (fs_ep.nFrames == 0) { 1083 xfer->error = USB_ERR_INVAL; 1084 goto complete; 1085 } 1086 error = copyin(fs_ep.ppBuffer, 1087 &uaddr, sizeof(uaddr)); 1088 if (error) { 1089 return (error); 1090 } 1091 /* reset first frame */ 1092 usbd_xfer_set_frame_offset(xfer, 0, 0); 1093 1094 if (xfer->flags_int.control_xfr) { 1095 1096 req = xfer->frbuffers[0].buffer; 1097 1098 error = copyin(fs_ep.pLength, 1099 &length, sizeof(length)); 1100 if (error) { 1101 return (error); 1102 } 1103 if (length != sizeof(*req)) { 1104 xfer->error = USB_ERR_INVAL; 1105 goto complete; 1106 } 1107 if (length != 0) { 1108 error = copyin(uaddr, req, length); 1109 if (error) { 1110 return (error); 1111 } 1112 } 1113 if (ugen_check_request(f->udev, req)) { 1114 xfer->error = USB_ERR_INVAL; 1115 goto complete; 1116 } 1117 usbd_xfer_set_frame_len(xfer, 0, length); 1118 1119 /* Host mode only ! */ 1120 if ((req->bmRequestType & 1121 (UT_READ | UT_WRITE)) == UT_READ) { 1122 isread = 1; 1123 } else { 1124 isread = 0; 1125 } 1126 n = 1; 1127 offset = sizeof(*req); 1128 1129 } else { 1130 /* Device and Host mode */ 1131 if (USB_GET_DATA_ISREAD(xfer)) { 1132 isread = 1; 1133 } else { 1134 isread = 0; 1135 } 1136 n = 0; 1137 offset = 0; 1138 } 1139 1140 rem = usbd_xfer_max_len(xfer); 1141 xfer->nframes = fs_ep.nFrames; 1142 xfer->timeout = fs_ep.timeout; 1143 if (xfer->timeout > 65535) { 1144 xfer->timeout = 65535; 1145 } 1146 if (fs_ep.flags & USB_FS_FLAG_SINGLE_SHORT_OK) 1147 xfer->flags.short_xfer_ok = 1; 1148 else 1149 xfer->flags.short_xfer_ok = 0; 1150 1151 if (fs_ep.flags & USB_FS_FLAG_MULTI_SHORT_OK) 1152 xfer->flags.short_frames_ok = 1; 1153 else 1154 xfer->flags.short_frames_ok = 0; 1155 1156 if (fs_ep.flags & USB_FS_FLAG_FORCE_SHORT) 1157 xfer->flags.force_short_xfer = 1; 1158 else 1159 xfer->flags.force_short_xfer = 0; 1160 1161 if (fs_ep.flags & USB_FS_FLAG_CLEAR_STALL) 1162 usbd_xfer_set_stall(xfer); 1163 else 1164 xfer->flags.stall_pipe = 0; 1165 1166 for (; n != xfer->nframes; n++) { 1167 1168 error = copyin(fs_ep.pLength + n, 1169 &length, sizeof(length)); 1170 if (error) { 1171 break; 1172 } 1173 usbd_xfer_set_frame_len(xfer, n, length); 1174 1175 if (length > rem) { 1176 xfer->error = USB_ERR_INVAL; 1177 goto complete; 1178 } 1179 rem -= length; 1180 1181 if (!isread) { 1182 1183 /* we need to know the source buffer */ 1184 error = copyin(fs_ep.ppBuffer + n, 1185 &uaddr, sizeof(uaddr)); 1186 if (error) { 1187 break; 1188 } 1189 if (xfer->flags_int.isochronous_xfr) { 1190 /* get kernel buffer address */ 1191 kaddr = xfer->frbuffers[0].buffer; 1192 kaddr = USB_ADD_BYTES(kaddr, offset); 1193 } else { 1194 /* set current frame offset */ 1195 usbd_xfer_set_frame_offset(xfer, offset, n); 1196 1197 /* get kernel buffer address */ 1198 kaddr = xfer->frbuffers[n].buffer; 1199 } 1200 1201 /* move data */ 1202 error = copyin(uaddr, kaddr, length); 1203 if (error) { 1204 break; 1205 } 1206 } 1207 offset += length; 1208 } 1209 return (error); 1210 1211 complete: 1212 mtx_lock(f->priv_mtx); 1213 ugen_fs_set_complete(f, ep_index); 1214 mtx_unlock(f->priv_mtx); 1215 return (0); 1216 } 1217 1218 static int 1219 ugen_fs_copy_out(struct usb_fifo *f, uint8_t ep_index) 1220 { 1221 struct usb_device_request *req; 1222 struct usb_xfer *xfer; 1223 struct usb_fs_endpoint fs_ep; 1224 struct usb_fs_endpoint *fs_ep_uptr; /* userland ptr */ 1225 void *uaddr; /* userland ptr */ 1226 void *kaddr; 1227 usb_frlength_t offset; 1228 usb_frlength_t rem; 1229 usb_frcount_t n; 1230 uint32_t length; 1231 uint32_t temp; 1232 int error; 1233 uint8_t isread; 1234 1235 if (ep_index >= f->fs_ep_max) 1236 return (EINVAL); 1237 1238 xfer = f->fs_xfer[ep_index]; 1239 if (xfer == NULL) 1240 return (EINVAL); 1241 1242 mtx_lock(f->priv_mtx); 1243 if (usbd_transfer_pending(xfer)) { 1244 mtx_unlock(f->priv_mtx); 1245 return (EBUSY); /* should not happen */ 1246 } 1247 mtx_unlock(f->priv_mtx); 1248 1249 fs_ep_uptr = f->fs_ep_ptr + ep_index; 1250 error = copyin(fs_ep_uptr, &fs_ep, sizeof(fs_ep)); 1251 if (error) { 1252 return (error); 1253 } 1254 fs_ep.status = xfer->error; 1255 fs_ep.aFrames = xfer->aframes; 1256 fs_ep.isoc_time_complete = xfer->isoc_time_complete; 1257 if (xfer->error) { 1258 goto complete; 1259 } 1260 if (xfer->flags_int.control_xfr) { 1261 req = xfer->frbuffers[0].buffer; 1262 1263 /* Host mode only ! */ 1264 if ((req->bmRequestType & (UT_READ | UT_WRITE)) == UT_READ) { 1265 isread = 1; 1266 } else { 1267 isread = 0; 1268 } 1269 if (xfer->nframes == 0) 1270 n = 0; /* should never happen */ 1271 else 1272 n = 1; 1273 } else { 1274 /* Device and Host mode */ 1275 if (USB_GET_DATA_ISREAD(xfer)) { 1276 isread = 1; 1277 } else { 1278 isread = 0; 1279 } 1280 n = 0; 1281 } 1282 1283 /* Update lengths and copy out data */ 1284 1285 rem = usbd_xfer_max_len(xfer); 1286 offset = 0; 1287 1288 for (; n != xfer->nframes; n++) { 1289 1290 /* get initial length into "temp" */ 1291 error = copyin(fs_ep.pLength + n, 1292 &temp, sizeof(temp)); 1293 if (error) { 1294 return (error); 1295 } 1296 if (temp > rem) { 1297 /* the userland length has been corrupted */ 1298 DPRINTF("corrupt userland length " 1299 "%u > %u\n", temp, rem); 1300 fs_ep.status = USB_ERR_INVAL; 1301 goto complete; 1302 } 1303 rem -= temp; 1304 1305 /* get actual transfer length */ 1306 length = xfer->frlengths[n]; 1307 if (length > temp) { 1308 /* data overflow */ 1309 fs_ep.status = USB_ERR_INVAL; 1310 DPRINTF("data overflow %u > %u\n", 1311 length, temp); 1312 goto complete; 1313 } 1314 if (isread) { 1315 1316 /* we need to know the destination buffer */ 1317 error = copyin(fs_ep.ppBuffer + n, 1318 &uaddr, sizeof(uaddr)); 1319 if (error) { 1320 return (error); 1321 } 1322 if (xfer->flags_int.isochronous_xfr) { 1323 /* only one frame buffer */ 1324 kaddr = USB_ADD_BYTES( 1325 xfer->frbuffers[0].buffer, offset); 1326 } else { 1327 /* multiple frame buffers */ 1328 kaddr = xfer->frbuffers[n].buffer; 1329 } 1330 1331 /* move data */ 1332 error = copyout(kaddr, uaddr, length); 1333 if (error) { 1334 return (error); 1335 } 1336 } 1337 /* 1338 * Update offset according to initial length, which is 1339 * needed by isochronous transfers! 1340 */ 1341 offset += temp; 1342 1343 /* update length */ 1344 error = copyout(&length, 1345 fs_ep.pLength + n, sizeof(length)); 1346 if (error) { 1347 return (error); 1348 } 1349 } 1350 1351 complete: 1352 /* update "aFrames" */ 1353 error = copyout(&fs_ep.aFrames, &fs_ep_uptr->aFrames, 1354 sizeof(fs_ep.aFrames)); 1355 if (error) 1356 goto done; 1357 1358 /* update "isoc_time_complete" */ 1359 error = copyout(&fs_ep.isoc_time_complete, 1360 &fs_ep_uptr->isoc_time_complete, 1361 sizeof(fs_ep.isoc_time_complete)); 1362 if (error) 1363 goto done; 1364 /* update "status" */ 1365 error = copyout(&fs_ep.status, &fs_ep_uptr->status, 1366 sizeof(fs_ep.status)); 1367 done: 1368 return (error); 1369 } 1370 1371 static uint8_t 1372 ugen_fifo_in_use(struct usb_fifo *f, int fflags) 1373 { 1374 struct usb_fifo *f_rx; 1375 struct usb_fifo *f_tx; 1376 1377 f_rx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_RX]; 1378 f_tx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_TX]; 1379 1380 if ((fflags & FREAD) && f_rx && 1381 (f_rx->xfer[0] || f_rx->xfer[1])) { 1382 return (1); /* RX FIFO in use */ 1383 } 1384 if ((fflags & FWRITE) && f_tx && 1385 (f_tx->xfer[0] || f_tx->xfer[1])) { 1386 return (1); /* TX FIFO in use */ 1387 } 1388 return (0); /* not in use */ 1389 } 1390 1391 static int 1392 ugen_ioctl(struct usb_fifo *f, u_long cmd, void *addr, int fflags) 1393 { 1394 struct usb_config usb_config[1]; 1395 struct usb_device_request req; 1396 union { 1397 struct usb_fs_complete *pcomp; 1398 struct usb_fs_start *pstart; 1399 struct usb_fs_stop *pstop; 1400 struct usb_fs_open *popen; 1401 struct usb_fs_open_stream *popen_stream; 1402 struct usb_fs_close *pclose; 1403 struct usb_fs_clear_stall_sync *pstall; 1404 void *addr; 1405 } u; 1406 struct usb_endpoint *ep; 1407 struct usb_endpoint_descriptor *ed; 1408 struct usb_xfer *xfer; 1409 int error = 0; 1410 uint8_t iface_index; 1411 uint8_t isread; 1412 uint8_t ep_index; 1413 uint8_t pre_scale; 1414 1415 u.addr = addr; 1416 1417 DPRINTFN(6, "cmd=0x%08lx\n", cmd); 1418 1419 switch (cmd) { 1420 case USB_FS_COMPLETE: 1421 mtx_lock(f->priv_mtx); 1422 error = ugen_fs_get_complete(f, &ep_index); 1423 mtx_unlock(f->priv_mtx); 1424 1425 if (error) { 1426 error = EBUSY; 1427 break; 1428 } 1429 u.pcomp->ep_index = ep_index; 1430 error = ugen_fs_copy_out(f, u.pcomp->ep_index); 1431 break; 1432 1433 case USB_FS_START: 1434 error = ugen_fs_copy_in(f, u.pstart->ep_index); 1435 if (error) 1436 break; 1437 mtx_lock(f->priv_mtx); 1438 xfer = f->fs_xfer[u.pstart->ep_index]; 1439 usbd_transfer_start(xfer); 1440 mtx_unlock(f->priv_mtx); 1441 break; 1442 1443 case USB_FS_STOP: 1444 if (u.pstop->ep_index >= f->fs_ep_max) { 1445 error = EINVAL; 1446 break; 1447 } 1448 mtx_lock(f->priv_mtx); 1449 xfer = f->fs_xfer[u.pstart->ep_index]; 1450 if (usbd_transfer_pending(xfer)) { 1451 usbd_transfer_stop(xfer); 1452 /* 1453 * Check if the USB transfer was stopped 1454 * before it was even started. Else a cancel 1455 * callback will be pending. 1456 */ 1457 if (!xfer->flags_int.transferring) { 1458 ugen_fs_set_complete(xfer->priv_sc, 1459 USB_P2U(xfer->priv_fifo)); 1460 } 1461 } 1462 mtx_unlock(f->priv_mtx); 1463 break; 1464 1465 case USB_FS_OPEN: 1466 case USB_FS_OPEN_STREAM: 1467 if (u.popen->ep_index >= f->fs_ep_max) { 1468 error = EINVAL; 1469 break; 1470 } 1471 if (f->fs_xfer[u.popen->ep_index] != NULL) { 1472 error = EBUSY; 1473 break; 1474 } 1475 if (u.popen->max_bufsize > USB_FS_MAX_BUFSIZE) { 1476 u.popen->max_bufsize = USB_FS_MAX_BUFSIZE; 1477 } 1478 if (u.popen->max_frames & USB_FS_MAX_FRAMES_PRE_SCALE) { 1479 pre_scale = 1; 1480 u.popen->max_frames &= ~USB_FS_MAX_FRAMES_PRE_SCALE; 1481 } else { 1482 pre_scale = 0; 1483 } 1484 if (u.popen->max_frames > USB_FS_MAX_FRAMES) { 1485 u.popen->max_frames = USB_FS_MAX_FRAMES; 1486 break; 1487 } 1488 if (u.popen->max_frames == 0) { 1489 error = EINVAL; 1490 break; 1491 } 1492 ep = usbd_get_ep_by_addr(f->udev, u.popen->ep_no); 1493 if (ep == NULL) { 1494 error = EINVAL; 1495 break; 1496 } 1497 ed = ep->edesc; 1498 if (ed == NULL) { 1499 error = ENXIO; 1500 break; 1501 } 1502 iface_index = ep->iface_index; 1503 1504 memset(usb_config, 0, sizeof(usb_config)); 1505 1506 usb_config[0].type = ed->bmAttributes & UE_XFERTYPE; 1507 usb_config[0].endpoint = ed->bEndpointAddress & UE_ADDR; 1508 usb_config[0].direction = ed->bEndpointAddress & (UE_DIR_OUT | UE_DIR_IN); 1509 usb_config[0].interval = USB_DEFAULT_INTERVAL; 1510 usb_config[0].flags.proxy_buffer = 1; 1511 if (pre_scale != 0) 1512 usb_config[0].flags.pre_scale_frames = 1; 1513 usb_config[0].callback = &ugen_ctrl_fs_callback; 1514 usb_config[0].timeout = 0; /* no timeout */ 1515 usb_config[0].frames = u.popen->max_frames; 1516 usb_config[0].bufsize = u.popen->max_bufsize; 1517 usb_config[0].usb_mode = USB_MODE_DUAL; /* both modes */ 1518 if (cmd == USB_FS_OPEN_STREAM) 1519 usb_config[0].stream_id = u.popen_stream->stream_id; 1520 1521 if (usb_config[0].type == UE_CONTROL) { 1522 if (f->udev->flags.usb_mode != USB_MODE_HOST) { 1523 error = EINVAL; 1524 break; 1525 } 1526 } else { 1527 1528 isread = ((usb_config[0].endpoint & 1529 (UE_DIR_IN | UE_DIR_OUT)) == UE_DIR_IN); 1530 1531 if (f->udev->flags.usb_mode != USB_MODE_HOST) { 1532 isread = !isread; 1533 } 1534 /* check permissions */ 1535 if (isread) { 1536 if (!(fflags & FREAD)) { 1537 error = EPERM; 1538 break; 1539 } 1540 } else { 1541 if (!(fflags & FWRITE)) { 1542 error = EPERM; 1543 break; 1544 } 1545 } 1546 } 1547 error = usbd_transfer_setup(f->udev, &iface_index, 1548 f->fs_xfer + u.popen->ep_index, usb_config, 1, 1549 f, f->priv_mtx); 1550 if (error == 0) { 1551 /* update maximums */ 1552 u.popen->max_packet_length = 1553 f->fs_xfer[u.popen->ep_index]->max_frame_size; 1554 u.popen->max_bufsize = 1555 f->fs_xfer[u.popen->ep_index]->max_data_length; 1556 /* update number of frames */ 1557 u.popen->max_frames = 1558 f->fs_xfer[u.popen->ep_index]->nframes; 1559 /* store index of endpoint */ 1560 f->fs_xfer[u.popen->ep_index]->priv_fifo = 1561 ((uint8_t *)0) + u.popen->ep_index; 1562 } else { 1563 error = ENOMEM; 1564 } 1565 break; 1566 1567 case USB_FS_CLOSE: 1568 if (u.pclose->ep_index >= f->fs_ep_max) { 1569 error = EINVAL; 1570 break; 1571 } 1572 if (f->fs_xfer[u.pclose->ep_index] == NULL) { 1573 error = EINVAL; 1574 break; 1575 } 1576 usbd_transfer_unsetup(f->fs_xfer + u.pclose->ep_index, 1); 1577 break; 1578 1579 case USB_FS_CLEAR_STALL_SYNC: 1580 if (u.pstall->ep_index >= f->fs_ep_max) { 1581 error = EINVAL; 1582 break; 1583 } 1584 if (f->fs_xfer[u.pstall->ep_index] == NULL) { 1585 error = EINVAL; 1586 break; 1587 } 1588 if (f->udev->flags.usb_mode != USB_MODE_HOST) { 1589 error = EINVAL; 1590 break; 1591 } 1592 mtx_lock(f->priv_mtx); 1593 error = usbd_transfer_pending(f->fs_xfer[u.pstall->ep_index]); 1594 mtx_unlock(f->priv_mtx); 1595 1596 if (error) { 1597 return (EBUSY); 1598 } 1599 ep = f->fs_xfer[u.pstall->ep_index]->endpoint; 1600 1601 /* setup a clear-stall packet */ 1602 req.bmRequestType = UT_WRITE_ENDPOINT; 1603 req.bRequest = UR_CLEAR_FEATURE; 1604 USETW(req.wValue, UF_ENDPOINT_HALT); 1605 req.wIndex[0] = ep->edesc->bEndpointAddress; 1606 req.wIndex[1] = 0; 1607 USETW(req.wLength, 0); 1608 1609 error = usbd_do_request(f->udev, NULL, &req, NULL); 1610 if (error == 0) { 1611 usbd_clear_data_toggle(f->udev, ep); 1612 } else { 1613 error = ENXIO; 1614 } 1615 break; 1616 1617 default: 1618 error = ENOIOCTL; 1619 break; 1620 } 1621 1622 DPRINTFN(6, "error=%d\n", error); 1623 1624 return (error); 1625 } 1626 1627 static int 1628 ugen_set_short_xfer(struct usb_fifo *f, void *addr) 1629 { 1630 uint8_t t; 1631 1632 if (*(int *)addr) 1633 t = 1; 1634 else 1635 t = 0; 1636 1637 if (f->flag_short == t) { 1638 /* same value like before - accept */ 1639 return (0); 1640 } 1641 if (f->xfer[0] || f->xfer[1]) { 1642 /* cannot change this during transfer */ 1643 return (EBUSY); 1644 } 1645 f->flag_short = t; 1646 return (0); 1647 } 1648 1649 static int 1650 ugen_set_timeout(struct usb_fifo *f, void *addr) 1651 { 1652 f->timeout = *(int *)addr; 1653 if (f->timeout > 65535) { 1654 /* limit user input */ 1655 f->timeout = 65535; 1656 } 1657 return (0); 1658 } 1659 1660 static int 1661 ugen_get_frame_size(struct usb_fifo *f, void *addr) 1662 { 1663 if (f->xfer[0]) { 1664 *(int *)addr = f->xfer[0]->max_frame_size; 1665 } else { 1666 return (EINVAL); 1667 } 1668 return (0); 1669 } 1670 1671 static int 1672 ugen_set_buffer_size(struct usb_fifo *f, void *addr) 1673 { 1674 usb_frlength_t t; 1675 1676 if (*(int *)addr < 0) 1677 t = 0; /* use "wMaxPacketSize" */ 1678 else if (*(int *)addr < (256 * 1024)) 1679 t = *(int *)addr; 1680 else 1681 t = 256 * 1024; 1682 1683 if (f->bufsize == t) { 1684 /* same value like before - accept */ 1685 return (0); 1686 } 1687 if (f->xfer[0] || f->xfer[1]) { 1688 /* cannot change this during transfer */ 1689 return (EBUSY); 1690 } 1691 f->bufsize = t; 1692 return (0); 1693 } 1694 1695 static int 1696 ugen_get_buffer_size(struct usb_fifo *f, void *addr) 1697 { 1698 *(int *)addr = f->bufsize; 1699 return (0); 1700 } 1701 1702 static int 1703 ugen_get_iface_desc(struct usb_fifo *f, 1704 struct usb_interface_descriptor *idesc) 1705 { 1706 struct usb_interface *iface; 1707 1708 iface = usbd_get_iface(f->udev, f->iface_index); 1709 if (iface && iface->idesc) { 1710 *idesc = *(iface->idesc); 1711 } else { 1712 return (EIO); 1713 } 1714 return (0); 1715 } 1716 1717 static int 1718 ugen_get_endpoint_desc(struct usb_fifo *f, 1719 struct usb_endpoint_descriptor *ed) 1720 { 1721 struct usb_endpoint *ep; 1722 1723 ep = usb_fifo_softc(f); 1724 1725 if (ep && ep->edesc) { 1726 *ed = *ep->edesc; 1727 } else { 1728 return (EINVAL); 1729 } 1730 return (0); 1731 } 1732 1733 static int 1734 ugen_set_power_mode(struct usb_fifo *f, int mode) 1735 { 1736 struct usb_device *udev = f->udev; 1737 int err; 1738 uint8_t old_mode; 1739 1740 if ((udev == NULL) || 1741 (udev->parent_hub == NULL)) { 1742 return (EINVAL); 1743 } 1744 err = priv_check(curthread, PRIV_DRIVER); 1745 if (err) 1746 return (err); 1747 1748 /* get old power mode */ 1749 old_mode = udev->power_mode; 1750 1751 /* if no change, then just return */ 1752 if (old_mode == mode) 1753 return (0); 1754 1755 switch (mode) { 1756 case USB_POWER_MODE_OFF: 1757 if (udev->flags.usb_mode == USB_MODE_HOST && 1758 udev->re_enumerate_wait == USB_RE_ENUM_DONE) { 1759 udev->re_enumerate_wait = USB_RE_ENUM_PWR_OFF; 1760 } 1761 /* set power mode will wake up the explore thread */ 1762 break; 1763 1764 case USB_POWER_MODE_ON: 1765 case USB_POWER_MODE_SAVE: 1766 break; 1767 1768 case USB_POWER_MODE_RESUME: 1769 #if USB_HAVE_POWERD 1770 /* let USB-powerd handle resume */ 1771 USB_BUS_LOCK(udev->bus); 1772 udev->pwr_save.write_refs++; 1773 udev->pwr_save.last_xfer_time = ticks; 1774 USB_BUS_UNLOCK(udev->bus); 1775 1776 /* set new power mode */ 1777 usbd_set_power_mode(udev, USB_POWER_MODE_SAVE); 1778 1779 /* wait for resume to complete */ 1780 usb_pause_mtx(NULL, hz / 4); 1781 1782 /* clear write reference */ 1783 USB_BUS_LOCK(udev->bus); 1784 udev->pwr_save.write_refs--; 1785 USB_BUS_UNLOCK(udev->bus); 1786 #endif 1787 mode = USB_POWER_MODE_SAVE; 1788 break; 1789 1790 case USB_POWER_MODE_SUSPEND: 1791 #if USB_HAVE_POWERD 1792 /* let USB-powerd handle suspend */ 1793 USB_BUS_LOCK(udev->bus); 1794 udev->pwr_save.last_xfer_time = ticks - (256 * hz); 1795 USB_BUS_UNLOCK(udev->bus); 1796 #endif 1797 mode = USB_POWER_MODE_SAVE; 1798 break; 1799 1800 default: 1801 return (EINVAL); 1802 } 1803 1804 if (err) 1805 return (ENXIO); /* I/O failure */ 1806 1807 /* if we are powered off we need to re-enumerate first */ 1808 if (old_mode == USB_POWER_MODE_OFF) { 1809 if (udev->flags.usb_mode == USB_MODE_HOST && 1810 udev->re_enumerate_wait == USB_RE_ENUM_DONE) { 1811 udev->re_enumerate_wait = USB_RE_ENUM_START; 1812 } 1813 /* set power mode will wake up the explore thread */ 1814 } 1815 1816 /* set new power mode */ 1817 usbd_set_power_mode(udev, mode); 1818 1819 return (0); /* success */ 1820 } 1821 1822 static int 1823 ugen_get_power_mode(struct usb_fifo *f) 1824 { 1825 struct usb_device *udev = f->udev; 1826 1827 if (udev == NULL) 1828 return (USB_POWER_MODE_ON); 1829 1830 return (udev->power_mode); 1831 } 1832 1833 static int 1834 ugen_get_port_path(struct usb_fifo *f, struct usb_device_port_path *dpp) 1835 { 1836 struct usb_device *udev = f->udev; 1837 struct usb_device *next; 1838 unsigned int nlevel = 0; 1839 1840 if (udev == NULL) 1841 goto error; 1842 1843 dpp->udp_bus = device_get_unit(udev->bus->bdev); 1844 dpp->udp_index = udev->device_index; 1845 1846 /* count port levels */ 1847 next = udev; 1848 while (next->parent_hub != NULL) { 1849 nlevel++; 1850 next = next->parent_hub; 1851 } 1852 1853 /* check if too many levels */ 1854 if (nlevel > USB_DEVICE_PORT_PATH_MAX) 1855 goto error; 1856 1857 /* store total level of ports */ 1858 dpp->udp_port_level = nlevel; 1859 1860 /* store port index array */ 1861 next = udev; 1862 while (next->parent_hub != NULL) { 1863 dpp->udp_port_no[--nlevel] = next->port_no; 1864 next = next->parent_hub; 1865 } 1866 return (0); /* success */ 1867 1868 error: 1869 return (EINVAL); /* failure */ 1870 } 1871 1872 static int 1873 ugen_get_power_usage(struct usb_fifo *f) 1874 { 1875 struct usb_device *udev = f->udev; 1876 1877 if (udev == NULL) 1878 return (0); 1879 1880 return (udev->power); 1881 } 1882 1883 static int 1884 ugen_do_port_feature(struct usb_fifo *f, uint8_t port_no, 1885 uint8_t set, uint16_t feature) 1886 { 1887 struct usb_device *udev = f->udev; 1888 struct usb_hub *hub; 1889 int err; 1890 1891 err = priv_check(curthread, PRIV_DRIVER); 1892 if (err) { 1893 return (err); 1894 } 1895 if (port_no == 0) { 1896 return (EINVAL); 1897 } 1898 if ((udev == NULL) || 1899 (udev->hub == NULL)) { 1900 return (EINVAL); 1901 } 1902 hub = udev->hub; 1903 1904 if (port_no > hub->nports) { 1905 return (EINVAL); 1906 } 1907 if (set) 1908 err = usbd_req_set_port_feature(udev, 1909 NULL, port_no, feature); 1910 else 1911 err = usbd_req_clear_port_feature(udev, 1912 NULL, port_no, feature); 1913 1914 if (err) 1915 return (ENXIO); /* failure */ 1916 1917 return (0); /* success */ 1918 } 1919 1920 static int 1921 ugen_iface_ioctl(struct usb_fifo *f, u_long cmd, void *addr, int fflags) 1922 { 1923 struct usb_fifo *f_rx; 1924 struct usb_fifo *f_tx; 1925 int error = 0; 1926 1927 f_rx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_RX]; 1928 f_tx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_TX]; 1929 1930 switch (cmd) { 1931 case USB_SET_RX_SHORT_XFER: 1932 if (fflags & FREAD) { 1933 error = ugen_set_short_xfer(f_rx, addr); 1934 } else { 1935 error = EINVAL; 1936 } 1937 break; 1938 1939 case USB_SET_TX_FORCE_SHORT: 1940 if (fflags & FWRITE) { 1941 error = ugen_set_short_xfer(f_tx, addr); 1942 } else { 1943 error = EINVAL; 1944 } 1945 break; 1946 1947 case USB_SET_RX_TIMEOUT: 1948 if (fflags & FREAD) { 1949 error = ugen_set_timeout(f_rx, addr); 1950 } else { 1951 error = EINVAL; 1952 } 1953 break; 1954 1955 case USB_SET_TX_TIMEOUT: 1956 if (fflags & FWRITE) { 1957 error = ugen_set_timeout(f_tx, addr); 1958 } else { 1959 error = EINVAL; 1960 } 1961 break; 1962 1963 case USB_GET_RX_FRAME_SIZE: 1964 if (fflags & FREAD) { 1965 error = ugen_get_frame_size(f_rx, addr); 1966 } else { 1967 error = EINVAL; 1968 } 1969 break; 1970 1971 case USB_GET_TX_FRAME_SIZE: 1972 if (fflags & FWRITE) { 1973 error = ugen_get_frame_size(f_tx, addr); 1974 } else { 1975 error = EINVAL; 1976 } 1977 break; 1978 1979 case USB_SET_RX_BUFFER_SIZE: 1980 if (fflags & FREAD) { 1981 error = ugen_set_buffer_size(f_rx, addr); 1982 } else { 1983 error = EINVAL; 1984 } 1985 break; 1986 1987 case USB_SET_TX_BUFFER_SIZE: 1988 if (fflags & FWRITE) { 1989 error = ugen_set_buffer_size(f_tx, addr); 1990 } else { 1991 error = EINVAL; 1992 } 1993 break; 1994 1995 case USB_GET_RX_BUFFER_SIZE: 1996 if (fflags & FREAD) { 1997 error = ugen_get_buffer_size(f_rx, addr); 1998 } else { 1999 error = EINVAL; 2000 } 2001 break; 2002 2003 case USB_GET_TX_BUFFER_SIZE: 2004 if (fflags & FWRITE) { 2005 error = ugen_get_buffer_size(f_tx, addr); 2006 } else { 2007 error = EINVAL; 2008 } 2009 break; 2010 2011 case USB_GET_RX_INTERFACE_DESC: 2012 if (fflags & FREAD) { 2013 error = ugen_get_iface_desc(f_rx, addr); 2014 } else { 2015 error = EINVAL; 2016 } 2017 break; 2018 2019 case USB_GET_TX_INTERFACE_DESC: 2020 if (fflags & FWRITE) { 2021 error = ugen_get_iface_desc(f_tx, addr); 2022 } else { 2023 error = EINVAL; 2024 } 2025 break; 2026 2027 case USB_GET_RX_ENDPOINT_DESC: 2028 if (fflags & FREAD) { 2029 error = ugen_get_endpoint_desc(f_rx, addr); 2030 } else { 2031 error = EINVAL; 2032 } 2033 break; 2034 2035 case USB_GET_TX_ENDPOINT_DESC: 2036 if (fflags & FWRITE) { 2037 error = ugen_get_endpoint_desc(f_tx, addr); 2038 } else { 2039 error = EINVAL; 2040 } 2041 break; 2042 2043 case USB_SET_RX_STALL_FLAG: 2044 if ((fflags & FREAD) && (*(int *)addr)) { 2045 f_rx->flag_stall = 1; 2046 } 2047 break; 2048 2049 case USB_SET_TX_STALL_FLAG: 2050 if ((fflags & FWRITE) && (*(int *)addr)) { 2051 f_tx->flag_stall = 1; 2052 } 2053 break; 2054 2055 default: 2056 error = ENOIOCTL; 2057 break; 2058 } 2059 return (error); 2060 } 2061 2062 static int 2063 ugen_ioctl_post(struct usb_fifo *f, u_long cmd, void *addr, int fflags) 2064 { 2065 union { 2066 struct usb_interface_descriptor *idesc; 2067 struct usb_alt_interface *ai; 2068 struct usb_device_descriptor *ddesc; 2069 struct usb_config_descriptor *cdesc; 2070 struct usb_device_stats *stat; 2071 struct usb_fs_init *pinit; 2072 struct usb_fs_uninit *puninit; 2073 struct usb_device_port_path *dpp; 2074 uint32_t *ptime; 2075 void *addr; 2076 int *pint; 2077 } u; 2078 struct usb_device_descriptor *dtemp; 2079 struct usb_config_descriptor *ctemp; 2080 struct usb_interface *iface; 2081 int error = 0; 2082 uint8_t n; 2083 2084 u.addr = addr; 2085 2086 DPRINTFN(6, "cmd=0x%08lx\n", cmd); 2087 2088 switch (cmd) { 2089 case USB_DISCOVER: 2090 usb_needs_explore_all(); 2091 break; 2092 2093 case USB_SETDEBUG: 2094 if (!(fflags & FWRITE)) { 2095 error = EPERM; 2096 break; 2097 } 2098 usb_debug = *(int *)addr; 2099 break; 2100 2101 case USB_GET_CONFIG: 2102 *(int *)addr = f->udev->curr_config_index; 2103 break; 2104 2105 case USB_SET_CONFIG: 2106 if (!(fflags & FWRITE)) { 2107 error = EPERM; 2108 break; 2109 } 2110 error = ugen_set_config(f, *(int *)addr); 2111 break; 2112 2113 case USB_GET_ALTINTERFACE: 2114 iface = usbd_get_iface(f->udev, 2115 u.ai->uai_interface_index); 2116 if (iface && iface->idesc) { 2117 u.ai->uai_alt_index = iface->alt_index; 2118 } else { 2119 error = EINVAL; 2120 } 2121 break; 2122 2123 case USB_SET_ALTINTERFACE: 2124 if (!(fflags & FWRITE)) { 2125 error = EPERM; 2126 break; 2127 } 2128 error = ugen_set_interface(f, 2129 u.ai->uai_interface_index, u.ai->uai_alt_index); 2130 break; 2131 2132 case USB_GET_DEVICE_DESC: 2133 dtemp = usbd_get_device_descriptor(f->udev); 2134 if (!dtemp) { 2135 error = EIO; 2136 break; 2137 } 2138 *u.ddesc = *dtemp; 2139 break; 2140 2141 case USB_GET_CONFIG_DESC: 2142 ctemp = usbd_get_config_descriptor(f->udev); 2143 if (!ctemp) { 2144 error = EIO; 2145 break; 2146 } 2147 *u.cdesc = *ctemp; 2148 break; 2149 2150 case USB_GET_FULL_DESC: 2151 error = ugen_get_cdesc(f, addr); 2152 break; 2153 2154 case USB_GET_STRING_DESC: 2155 error = ugen_get_sdesc(f, addr); 2156 break; 2157 2158 case USB_GET_IFACE_DRIVER: 2159 error = ugen_get_iface_driver(f, addr); 2160 break; 2161 2162 case USB_REQUEST: 2163 case USB_DO_REQUEST: 2164 if (!(fflags & FWRITE)) { 2165 error = EPERM; 2166 break; 2167 } 2168 error = ugen_do_request(f, addr); 2169 break; 2170 2171 case USB_DEVICEINFO: 2172 case USB_GET_DEVICEINFO: 2173 error = usb_gen_fill_deviceinfo(f, addr); 2174 break; 2175 2176 case USB_DEVICESTATS: 2177 for (n = 0; n != 4; n++) { 2178 2179 u.stat->uds_requests_fail[n] = 2180 f->udev->bus->stats_err.uds_requests[n]; 2181 2182 u.stat->uds_requests_ok[n] = 2183 f->udev->bus->stats_ok.uds_requests[n]; 2184 } 2185 break; 2186 2187 case USB_DEVICEENUMERATE: 2188 error = ugen_re_enumerate(f); 2189 break; 2190 2191 case USB_GET_PLUGTIME: 2192 *u.ptime = f->udev->plugtime; 2193 break; 2194 2195 case USB_CLAIM_INTERFACE: 2196 case USB_RELEASE_INTERFACE: 2197 /* TODO */ 2198 break; 2199 2200 case USB_IFACE_DRIVER_ACTIVE: 2201 2202 n = *u.pint & 0xFF; 2203 2204 iface = usbd_get_iface(f->udev, n); 2205 2206 if (iface && iface->subdev) 2207 error = 0; 2208 else 2209 error = ENXIO; 2210 break; 2211 2212 case USB_IFACE_DRIVER_DETACH: 2213 2214 error = priv_check(curthread, PRIV_DRIVER); 2215 2216 if (error) 2217 break; 2218 2219 n = *u.pint & 0xFF; 2220 2221 if (n == USB_IFACE_INDEX_ANY) { 2222 error = EINVAL; 2223 break; 2224 } 2225 2226 /* 2227 * Detach the currently attached driver. 2228 */ 2229 usb_detach_device(f->udev, n, 0); 2230 2231 /* 2232 * Set parent to self, this should keep attach away 2233 * until the next set configuration event. 2234 */ 2235 usbd_set_parent_iface(f->udev, n, n); 2236 break; 2237 2238 case USB_SET_POWER_MODE: 2239 error = ugen_set_power_mode(f, *u.pint); 2240 break; 2241 2242 case USB_GET_POWER_MODE: 2243 *u.pint = ugen_get_power_mode(f); 2244 break; 2245 2246 case USB_GET_DEV_PORT_PATH: 2247 error = ugen_get_port_path(f, u.dpp); 2248 break; 2249 2250 case USB_GET_POWER_USAGE: 2251 *u.pint = ugen_get_power_usage(f); 2252 break; 2253 2254 case USB_SET_PORT_ENABLE: 2255 error = ugen_do_port_feature(f, 2256 *u.pint, 1, UHF_PORT_ENABLE); 2257 break; 2258 2259 case USB_SET_PORT_DISABLE: 2260 error = ugen_do_port_feature(f, 2261 *u.pint, 0, UHF_PORT_ENABLE); 2262 break; 2263 2264 case USB_FS_INIT: 2265 /* verify input parameters */ 2266 if (u.pinit->pEndpoints == NULL) { 2267 error = EINVAL; 2268 break; 2269 } 2270 if (u.pinit->ep_index_max > 127) { 2271 error = EINVAL; 2272 break; 2273 } 2274 if (u.pinit->ep_index_max == 0) { 2275 error = EINVAL; 2276 break; 2277 } 2278 if (f->fs_xfer != NULL) { 2279 error = EBUSY; 2280 break; 2281 } 2282 if (f->dev_ep_index != 0) { 2283 error = EINVAL; 2284 break; 2285 } 2286 if (ugen_fifo_in_use(f, fflags)) { 2287 error = EBUSY; 2288 break; 2289 } 2290 error = usb_fifo_alloc_buffer(f, 1, u.pinit->ep_index_max); 2291 if (error) { 2292 break; 2293 } 2294 f->fs_xfer = malloc(sizeof(f->fs_xfer[0]) * 2295 u.pinit->ep_index_max, M_USB, M_WAITOK | M_ZERO); 2296 if (f->fs_xfer == NULL) { 2297 usb_fifo_free_buffer(f); 2298 error = ENOMEM; 2299 break; 2300 } 2301 f->fs_ep_max = u.pinit->ep_index_max; 2302 f->fs_ep_ptr = u.pinit->pEndpoints; 2303 break; 2304 2305 case USB_FS_UNINIT: 2306 if (u.puninit->dummy != 0) { 2307 error = EINVAL; 2308 break; 2309 } 2310 error = ugen_fs_uninit(f); 2311 break; 2312 2313 default: 2314 mtx_lock(f->priv_mtx); 2315 error = ugen_iface_ioctl(f, cmd, addr, fflags); 2316 mtx_unlock(f->priv_mtx); 2317 break; 2318 } 2319 DPRINTFN(6, "error=%d\n", error); 2320 return (error); 2321 } 2322 2323 static void 2324 ugen_ctrl_fs_callback(struct usb_xfer *xfer, usb_error_t error) 2325 { 2326 ; /* workaround for a bug in "indent" */ 2327 2328 DPRINTF("st=%u alen=%u aframes=%u\n", 2329 USB_GET_STATE(xfer), xfer->actlen, xfer->aframes); 2330 2331 switch (USB_GET_STATE(xfer)) { 2332 case USB_ST_SETUP: 2333 usbd_transfer_submit(xfer); 2334 break; 2335 default: 2336 ugen_fs_set_complete(xfer->priv_sc, USB_P2U(xfer->priv_fifo)); 2337 break; 2338 } 2339 } 2340 #endif /* USB_HAVE_UGEN */ 2341