1 /* $FreeBSD$ */ 2 /*- 3 * Copyright (c) 2008 Hans Petter Selasky. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #ifdef USB_GLOBAL_INCLUDE_FILE 28 #include USB_GLOBAL_INCLUDE_FILE 29 #else 30 #include <sys/stdint.h> 31 #include <sys/stddef.h> 32 #include <sys/param.h> 33 #include <sys/queue.h> 34 #include <sys/types.h> 35 #include <sys/systm.h> 36 #include <sys/kernel.h> 37 #include <sys/bus.h> 38 #include <sys/module.h> 39 #include <sys/lock.h> 40 #include <sys/mutex.h> 41 #include <sys/condvar.h> 42 #include <sys/sysctl.h> 43 #include <sys/sx.h> 44 #include <sys/unistd.h> 45 #include <sys/callout.h> 46 #include <sys/malloc.h> 47 #include <sys/priv.h> 48 #include <sys/conf.h> 49 #include <sys/fcntl.h> 50 51 #include <dev/usb/usb.h> 52 #include <dev/usb/usb_ioctl.h> 53 #include <dev/usb/usbdi.h> 54 #include <dev/usb/usbdi_util.h> 55 56 #define USB_DEBUG_VAR ugen_debug 57 58 #include <dev/usb/usb_core.h> 59 #include <dev/usb/usb_dev.h> 60 #include <dev/usb/usb_mbuf.h> 61 #include <dev/usb/usb_process.h> 62 #include <dev/usb/usb_device.h> 63 #include <dev/usb/usb_debug.h> 64 #include <dev/usb/usb_request.h> 65 #include <dev/usb/usb_busdma.h> 66 #include <dev/usb/usb_util.h> 67 #include <dev/usb/usb_hub.h> 68 #include <dev/usb/usb_generic.h> 69 #include <dev/usb/usb_transfer.h> 70 71 #include <dev/usb/usb_controller.h> 72 #include <dev/usb/usb_bus.h> 73 #endif /* USB_GLOBAL_INCLUDE_FILE */ 74 75 #if USB_HAVE_UGEN 76 77 /* defines */ 78 79 #define UGEN_BULK_FS_BUFFER_SIZE (64*32) /* bytes */ 80 #define UGEN_BULK_HS_BUFFER_SIZE (1024*32) /* bytes */ 81 #define UGEN_HW_FRAMES 50 /* number of milliseconds per transfer */ 82 83 /* function prototypes */ 84 85 static usb_callback_t ugen_read_clear_stall_callback; 86 static usb_callback_t ugen_write_clear_stall_callback; 87 static usb_callback_t ugen_ctrl_read_callback; 88 static usb_callback_t ugen_ctrl_write_callback; 89 static usb_callback_t ugen_isoc_read_callback; 90 static usb_callback_t ugen_isoc_write_callback; 91 static usb_callback_t ugen_ctrl_fs_callback; 92 93 static usb_fifo_open_t ugen_open; 94 static usb_fifo_close_t ugen_close; 95 static usb_fifo_ioctl_t ugen_ioctl; 96 static usb_fifo_ioctl_t ugen_ioctl_post; 97 static usb_fifo_cmd_t ugen_start_read; 98 static usb_fifo_cmd_t ugen_start_write; 99 static usb_fifo_cmd_t ugen_stop_io; 100 101 static int ugen_transfer_setup(struct usb_fifo *, 102 const struct usb_config *, uint8_t); 103 static int ugen_open_pipe_write(struct usb_fifo *); 104 static int ugen_open_pipe_read(struct usb_fifo *); 105 static int ugen_set_config(struct usb_fifo *, uint8_t); 106 static int ugen_set_interface(struct usb_fifo *, uint8_t, uint8_t); 107 static int ugen_get_cdesc(struct usb_fifo *, struct usb_gen_descriptor *); 108 static int ugen_get_sdesc(struct usb_fifo *, struct usb_gen_descriptor *); 109 static int ugen_get_iface_driver(struct usb_fifo *f, struct usb_gen_descriptor *ugd); 110 static int usb_gen_fill_deviceinfo(struct usb_fifo *, 111 struct usb_device_info *); 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, 0, "USB generic"); 134 SYSCTL_INT(_hw_usb_ugen, OID_AUTO, debug, CTLFLAG_RW | CTLFLAG_TUN, &ugen_debug, 135 0, "Debug level"); 136 TUNABLE_INT("hw.usb.ugen.debug", &ugen_debug); 137 #endif 138 139 140 /* prototypes */ 141 142 static int 143 ugen_transfer_setup(struct usb_fifo *f, 144 const struct usb_config *setup, uint8_t n_setup) 145 { 146 struct usb_endpoint *ep = usb_fifo_softc(f); 147 struct usb_device *udev = f->udev; 148 uint8_t iface_index = ep->iface_index; 149 int error; 150 151 mtx_unlock(f->priv_mtx); 152 153 /* 154 * "usbd_transfer_setup()" can sleep so one needs to make a wrapper, 155 * exiting the mutex and checking things 156 */ 157 error = usbd_transfer_setup(udev, &iface_index, f->xfer, 158 setup, n_setup, f, f->priv_mtx); 159 if (error == 0) { 160 161 if (f->xfer[0]->nframes == 1) { 162 error = usb_fifo_alloc_buffer(f, 163 f->xfer[0]->max_data_length, 2); 164 } else { 165 error = usb_fifo_alloc_buffer(f, 166 f->xfer[0]->max_frame_size, 167 2 * f->xfer[0]->nframes); 168 } 169 if (error) { 170 usbd_transfer_unsetup(f->xfer, n_setup); 171 } 172 } 173 mtx_lock(f->priv_mtx); 174 175 return (error); 176 } 177 178 static int 179 ugen_open(struct usb_fifo *f, int fflags) 180 { 181 struct usb_endpoint *ep = usb_fifo_softc(f); 182 struct usb_endpoint_descriptor *ed = ep->edesc; 183 uint8_t type; 184 185 DPRINTFN(6, "flag=0x%x\n", fflags); 186 187 mtx_lock(f->priv_mtx); 188 switch (usbd_get_speed(f->udev)) { 189 case USB_SPEED_LOW: 190 case USB_SPEED_FULL: 191 f->nframes = UGEN_HW_FRAMES; 192 f->bufsize = UGEN_BULK_FS_BUFFER_SIZE; 193 break; 194 default: 195 f->nframes = UGEN_HW_FRAMES * 8; 196 f->bufsize = UGEN_BULK_HS_BUFFER_SIZE; 197 break; 198 } 199 200 type = ed->bmAttributes & UE_XFERTYPE; 201 if (type == UE_INTERRUPT) { 202 f->bufsize = 0; /* use "wMaxPacketSize" */ 203 } 204 f->timeout = USB_NO_TIMEOUT; 205 f->flag_short = 0; 206 f->fifo_zlp = 0; 207 mtx_unlock(f->priv_mtx); 208 209 return (0); 210 } 211 212 static void 213 ugen_close(struct usb_fifo *f, int fflags) 214 { 215 DPRINTFN(6, "flag=0x%x\n", fflags); 216 217 /* cleanup */ 218 219 mtx_lock(f->priv_mtx); 220 usbd_transfer_stop(f->xfer[0]); 221 usbd_transfer_stop(f->xfer[1]); 222 mtx_unlock(f->priv_mtx); 223 224 usbd_transfer_unsetup(f->xfer, 2); 225 usb_fifo_free_buffer(f); 226 227 if (ugen_fs_uninit(f)) { 228 /* ignore any errors - we are closing */ 229 DPRINTFN(6, "no FIFOs\n"); 230 } 231 } 232 233 static int 234 ugen_open_pipe_write(struct usb_fifo *f) 235 { 236 struct usb_config usb_config[2]; 237 struct usb_endpoint *ep = usb_fifo_softc(f); 238 struct usb_endpoint_descriptor *ed = ep->edesc; 239 240 mtx_assert(f->priv_mtx, MA_OWNED); 241 242 if (f->xfer[0] || f->xfer[1]) { 243 /* transfers are already opened */ 244 return (0); 245 } 246 memset(usb_config, 0, sizeof(usb_config)); 247 248 usb_config[1].type = UE_CONTROL; 249 usb_config[1].endpoint = 0; 250 usb_config[1].direction = UE_DIR_ANY; 251 usb_config[1].timeout = 1000; /* 1 second */ 252 usb_config[1].interval = 50;/* 50 milliseconds */ 253 usb_config[1].bufsize = sizeof(struct usb_device_request); 254 usb_config[1].callback = &ugen_write_clear_stall_callback; 255 usb_config[1].usb_mode = USB_MODE_HOST; 256 257 usb_config[0].type = ed->bmAttributes & UE_XFERTYPE; 258 usb_config[0].endpoint = ed->bEndpointAddress & UE_ADDR; 259 usb_config[0].stream_id = 0; /* XXX support more stream ID's */ 260 usb_config[0].direction = UE_DIR_TX; 261 usb_config[0].interval = USB_DEFAULT_INTERVAL; 262 usb_config[0].flags.proxy_buffer = 1; 263 usb_config[0].usb_mode = USB_MODE_DUAL; /* both modes */ 264 265 switch (ed->bmAttributes & UE_XFERTYPE) { 266 case UE_INTERRUPT: 267 case UE_BULK: 268 if (f->flag_short) { 269 usb_config[0].flags.force_short_xfer = 1; 270 } 271 usb_config[0].callback = &ugen_ctrl_write_callback; 272 usb_config[0].timeout = f->timeout; 273 usb_config[0].frames = 1; 274 usb_config[0].bufsize = f->bufsize; 275 if (ugen_transfer_setup(f, usb_config, 2)) { 276 return (EIO); 277 } 278 /* first transfer does not clear stall */ 279 f->flag_stall = 0; 280 break; 281 282 case UE_ISOCHRONOUS: 283 usb_config[0].flags.short_xfer_ok = 1; 284 usb_config[0].bufsize = 0; /* use default */ 285 usb_config[0].frames = f->nframes; 286 usb_config[0].callback = &ugen_isoc_write_callback; 287 usb_config[0].timeout = 0; 288 289 /* clone configuration */ 290 usb_config[1] = usb_config[0]; 291 292 if (ugen_transfer_setup(f, usb_config, 2)) { 293 return (EIO); 294 } 295 break; 296 default: 297 return (EINVAL); 298 } 299 return (0); 300 } 301 302 static int 303 ugen_open_pipe_read(struct usb_fifo *f) 304 { 305 struct usb_config usb_config[2]; 306 struct usb_endpoint *ep = usb_fifo_softc(f); 307 struct usb_endpoint_descriptor *ed = ep->edesc; 308 309 mtx_assert(f->priv_mtx, MA_OWNED); 310 311 if (f->xfer[0] || f->xfer[1]) { 312 /* transfers are already opened */ 313 return (0); 314 } 315 memset(usb_config, 0, sizeof(usb_config)); 316 317 usb_config[1].type = UE_CONTROL; 318 usb_config[1].endpoint = 0; 319 usb_config[1].direction = UE_DIR_ANY; 320 usb_config[1].timeout = 1000; /* 1 second */ 321 usb_config[1].interval = 50;/* 50 milliseconds */ 322 usb_config[1].bufsize = sizeof(struct usb_device_request); 323 usb_config[1].callback = &ugen_read_clear_stall_callback; 324 usb_config[1].usb_mode = USB_MODE_HOST; 325 326 usb_config[0].type = ed->bmAttributes & UE_XFERTYPE; 327 usb_config[0].endpoint = ed->bEndpointAddress & UE_ADDR; 328 usb_config[0].stream_id = 0; /* XXX support more stream ID's */ 329 usb_config[0].direction = UE_DIR_RX; 330 usb_config[0].interval = USB_DEFAULT_INTERVAL; 331 usb_config[0].flags.proxy_buffer = 1; 332 usb_config[0].usb_mode = USB_MODE_DUAL; /* both modes */ 333 334 switch (ed->bmAttributes & UE_XFERTYPE) { 335 case UE_INTERRUPT: 336 case UE_BULK: 337 if (f->flag_short) { 338 usb_config[0].flags.short_xfer_ok = 1; 339 } 340 usb_config[0].timeout = f->timeout; 341 usb_config[0].frames = 1; 342 usb_config[0].callback = &ugen_ctrl_read_callback; 343 usb_config[0].bufsize = f->bufsize; 344 345 if (ugen_transfer_setup(f, usb_config, 2)) { 346 return (EIO); 347 } 348 /* first transfer does not clear stall */ 349 f->flag_stall = 0; 350 break; 351 352 case UE_ISOCHRONOUS: 353 usb_config[0].flags.short_xfer_ok = 1; 354 usb_config[0].bufsize = 0; /* use default */ 355 usb_config[0].frames = f->nframes; 356 usb_config[0].callback = &ugen_isoc_read_callback; 357 usb_config[0].timeout = 0; 358 359 /* clone configuration */ 360 usb_config[1] = usb_config[0]; 361 362 if (ugen_transfer_setup(f, usb_config, 2)) { 363 return (EIO); 364 } 365 break; 366 367 default: 368 return (EINVAL); 369 } 370 return (0); 371 } 372 373 static void 374 ugen_start_read(struct usb_fifo *f) 375 { 376 /* check that pipes are open */ 377 if (ugen_open_pipe_read(f)) { 378 /* signal error */ 379 usb_fifo_put_data_error(f); 380 } 381 /* start transfers */ 382 usbd_transfer_start(f->xfer[0]); 383 usbd_transfer_start(f->xfer[1]); 384 } 385 386 static void 387 ugen_start_write(struct usb_fifo *f) 388 { 389 /* check that pipes are open */ 390 if (ugen_open_pipe_write(f)) { 391 /* signal error */ 392 usb_fifo_get_data_error(f); 393 } 394 /* start transfers */ 395 usbd_transfer_start(f->xfer[0]); 396 usbd_transfer_start(f->xfer[1]); 397 } 398 399 static void 400 ugen_stop_io(struct usb_fifo *f) 401 { 402 /* stop transfers */ 403 usbd_transfer_stop(f->xfer[0]); 404 usbd_transfer_stop(f->xfer[1]); 405 } 406 407 static void 408 ugen_ctrl_read_callback(struct usb_xfer *xfer, usb_error_t error) 409 { 410 struct usb_fifo *f = usbd_xfer_softc(xfer); 411 struct usb_mbuf *m; 412 413 DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes); 414 415 switch (USB_GET_STATE(xfer)) { 416 case USB_ST_TRANSFERRED: 417 if (xfer->actlen == 0) { 418 if (f->fifo_zlp != 4) { 419 f->fifo_zlp++; 420 } else { 421 /* 422 * Throttle a little bit we have multiple ZLPs 423 * in a row! 424 */ 425 xfer->interval = 64; /* ms */ 426 } 427 } else { 428 /* clear throttle */ 429 xfer->interval = 0; 430 f->fifo_zlp = 0; 431 } 432 usb_fifo_put_data(f, xfer->frbuffers, 0, 433 xfer->actlen, 1); 434 435 case USB_ST_SETUP: 436 if (f->flag_stall) { 437 usbd_transfer_start(f->xfer[1]); 438 break; 439 } 440 USB_IF_POLL(&f->free_q, m); 441 if (m) { 442 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 443 usbd_transfer_submit(xfer); 444 } 445 break; 446 447 default: /* Error */ 448 if (xfer->error != USB_ERR_CANCELLED) { 449 /* send a zero length packet to userland */ 450 usb_fifo_put_data(f, xfer->frbuffers, 0, 0, 1); 451 f->flag_stall = 1; 452 f->fifo_zlp = 0; 453 usbd_transfer_start(f->xfer[1]); 454 } 455 break; 456 } 457 } 458 459 static void 460 ugen_ctrl_write_callback(struct usb_xfer *xfer, usb_error_t error) 461 { 462 struct usb_fifo *f = usbd_xfer_softc(xfer); 463 usb_frlength_t actlen; 464 465 DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes); 466 467 switch (USB_GET_STATE(xfer)) { 468 case USB_ST_SETUP: 469 case USB_ST_TRANSFERRED: 470 /* 471 * If writing is in stall, just jump to clear stall 472 * callback and solve the situation. 473 */ 474 if (f->flag_stall) { 475 usbd_transfer_start(f->xfer[1]); 476 break; 477 } 478 /* 479 * Write data, setup and perform hardware transfer. 480 */ 481 if (usb_fifo_get_data(f, xfer->frbuffers, 0, 482 xfer->max_data_length, &actlen, 0)) { 483 usbd_xfer_set_frame_len(xfer, 0, actlen); 484 usbd_transfer_submit(xfer); 485 } 486 break; 487 488 default: /* Error */ 489 if (xfer->error != USB_ERR_CANCELLED) { 490 f->flag_stall = 1; 491 usbd_transfer_start(f->xfer[1]); 492 } 493 break; 494 } 495 } 496 497 static void 498 ugen_read_clear_stall_callback(struct usb_xfer *xfer, usb_error_t error) 499 { 500 struct usb_fifo *f = usbd_xfer_softc(xfer); 501 struct usb_xfer *xfer_other = f->xfer[0]; 502 503 if (f->flag_stall == 0) { 504 /* nothing to do */ 505 return; 506 } 507 if (usbd_clear_stall_callback(xfer, xfer_other)) { 508 DPRINTFN(5, "f=%p: stall cleared\n", f); 509 f->flag_stall = 0; 510 usbd_transfer_start(xfer_other); 511 } 512 } 513 514 static void 515 ugen_write_clear_stall_callback(struct usb_xfer *xfer, usb_error_t error) 516 { 517 struct usb_fifo *f = usbd_xfer_softc(xfer); 518 struct usb_xfer *xfer_other = f->xfer[0]; 519 520 if (f->flag_stall == 0) { 521 /* nothing to do */ 522 return; 523 } 524 if (usbd_clear_stall_callback(xfer, xfer_other)) { 525 DPRINTFN(5, "f=%p: stall cleared\n", f); 526 f->flag_stall = 0; 527 usbd_transfer_start(xfer_other); 528 } 529 } 530 531 static void 532 ugen_isoc_read_callback(struct usb_xfer *xfer, usb_error_t error) 533 { 534 struct usb_fifo *f = usbd_xfer_softc(xfer); 535 usb_frlength_t offset; 536 usb_frcount_t n; 537 538 DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes); 539 540 switch (USB_GET_STATE(xfer)) { 541 case USB_ST_TRANSFERRED: 542 543 DPRINTFN(6, "actlen=%d\n", xfer->actlen); 544 545 offset = 0; 546 547 for (n = 0; n != xfer->aframes; n++) { 548 usb_fifo_put_data(f, xfer->frbuffers, offset, 549 xfer->frlengths[n], 1); 550 offset += xfer->max_frame_size; 551 } 552 553 case USB_ST_SETUP: 554 tr_setup: 555 for (n = 0; n != xfer->nframes; n++) { 556 /* setup size for next transfer */ 557 usbd_xfer_set_frame_len(xfer, n, xfer->max_frame_size); 558 } 559 usbd_transfer_submit(xfer); 560 break; 561 562 default: /* Error */ 563 if (xfer->error == USB_ERR_CANCELLED) { 564 break; 565 } 566 goto tr_setup; 567 } 568 } 569 570 static void 571 ugen_isoc_write_callback(struct usb_xfer *xfer, usb_error_t error) 572 { 573 struct usb_fifo *f = usbd_xfer_softc(xfer); 574 usb_frlength_t actlen; 575 usb_frlength_t offset; 576 usb_frcount_t n; 577 578 DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes); 579 580 switch (USB_GET_STATE(xfer)) { 581 case USB_ST_TRANSFERRED: 582 case USB_ST_SETUP: 583 tr_setup: 584 offset = 0; 585 for (n = 0; n != xfer->nframes; n++) { 586 if (usb_fifo_get_data(f, xfer->frbuffers, offset, 587 xfer->max_frame_size, &actlen, 1)) { 588 usbd_xfer_set_frame_len(xfer, n, actlen); 589 offset += actlen; 590 } else { 591 break; 592 } 593 } 594 595 for (; n != xfer->nframes; n++) { 596 /* fill in zero frames */ 597 usbd_xfer_set_frame_len(xfer, n, 0); 598 } 599 usbd_transfer_submit(xfer); 600 break; 601 602 default: /* Error */ 603 if (xfer->error == USB_ERR_CANCELLED) { 604 break; 605 } 606 goto tr_setup; 607 } 608 } 609 610 static int 611 ugen_set_config(struct usb_fifo *f, uint8_t index) 612 { 613 DPRINTFN(2, "index %u\n", index); 614 615 if (f->udev->flags.usb_mode != USB_MODE_HOST) { 616 /* not possible in device side mode */ 617 return (ENOTTY); 618 } 619 if (f->udev->curr_config_index == index) { 620 /* no change needed */ 621 return (0); 622 } 623 /* make sure all FIFO's are gone */ 624 /* else there can be a deadlock */ 625 if (ugen_fs_uninit(f)) { 626 /* ignore any errors */ 627 DPRINTFN(6, "no FIFOs\n"); 628 } 629 /* change setting - will free generic FIFOs, if any */ 630 if (usbd_set_config_index(f->udev, index)) { 631 return (EIO); 632 } 633 /* probe and attach */ 634 if (usb_probe_and_attach(f->udev, USB_IFACE_INDEX_ANY)) { 635 return (EIO); 636 } 637 return (0); 638 } 639 640 static int 641 ugen_set_interface(struct usb_fifo *f, 642 uint8_t iface_index, uint8_t alt_index) 643 { 644 DPRINTFN(2, "%u, %u\n", iface_index, alt_index); 645 646 if (f->udev->flags.usb_mode != USB_MODE_HOST) { 647 /* not possible in device side mode */ 648 return (ENOTTY); 649 } 650 /* make sure all FIFO's are gone */ 651 /* else there can be a deadlock */ 652 if (ugen_fs_uninit(f)) { 653 /* ignore any errors */ 654 DPRINTFN(6, "no FIFOs\n"); 655 } 656 /* change setting - will free generic FIFOs, if any */ 657 if (usbd_set_alt_interface_index(f->udev, iface_index, alt_index)) { 658 return (EIO); 659 } 660 /* probe and attach */ 661 if (usb_probe_and_attach(f->udev, iface_index)) { 662 return (EIO); 663 } 664 return (0); 665 } 666 667 /*------------------------------------------------------------------------* 668 * ugen_get_cdesc 669 * 670 * This function will retrieve the complete configuration descriptor 671 * at the given index. 672 *------------------------------------------------------------------------*/ 673 static int 674 ugen_get_cdesc(struct usb_fifo *f, struct usb_gen_descriptor *ugd) 675 { 676 struct usb_config_descriptor *cdesc; 677 struct usb_device *udev = f->udev; 678 int error; 679 uint16_t len; 680 uint8_t free_data; 681 682 DPRINTFN(6, "\n"); 683 684 if (ugd->ugd_data == NULL) { 685 /* userland pointer should not be zero */ 686 return (EINVAL); 687 } 688 if ((ugd->ugd_config_index == USB_UNCONFIG_INDEX) || 689 (ugd->ugd_config_index == udev->curr_config_index)) { 690 cdesc = usbd_get_config_descriptor(udev); 691 if (cdesc == NULL) { 692 return (ENXIO); 693 } 694 free_data = 0; 695 696 } else { 697 if (usbd_req_get_config_desc_full(udev, 698 NULL, &cdesc, M_USBDEV, 699 ugd->ugd_config_index)) { 700 return (ENXIO); 701 } 702 free_data = 1; 703 } 704 705 len = UGETW(cdesc->wTotalLength); 706 if (len > ugd->ugd_maxlen) { 707 len = ugd->ugd_maxlen; 708 } 709 DPRINTFN(6, "len=%u\n", len); 710 711 ugd->ugd_actlen = len; 712 ugd->ugd_offset = 0; 713 714 error = copyout(cdesc, ugd->ugd_data, len); 715 716 if (free_data) { 717 free(cdesc, M_USBDEV); 718 } 719 return (error); 720 } 721 722 /* 723 * This function is called having the enumeration SX locked which 724 * protects the scratch area used. 725 */ 726 static int 727 ugen_get_sdesc(struct usb_fifo *f, struct usb_gen_descriptor *ugd) 728 { 729 void *ptr; 730 uint16_t size; 731 int error; 732 733 ptr = f->udev->scratch.data; 734 size = sizeof(f->udev->scratch.data); 735 736 if (usbd_req_get_string_desc(f->udev, NULL, ptr, 737 size, ugd->ugd_lang_id, ugd->ugd_string_index)) { 738 error = EINVAL; 739 } else { 740 741 if (size > ((uint8_t *)ptr)[0]) { 742 size = ((uint8_t *)ptr)[0]; 743 } 744 if (size > ugd->ugd_maxlen) { 745 size = ugd->ugd_maxlen; 746 } 747 ugd->ugd_actlen = size; 748 ugd->ugd_offset = 0; 749 750 error = copyout(ptr, ugd->ugd_data, size); 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 if (udev->parent_hub == NULL) { 971 /* the root HUB cannot be re-enumerated */ 972 DPRINTFN(6, "cannot reset root HUB\n"); 973 return (EINVAL); 974 } 975 /* make sure all FIFO's are gone */ 976 /* else there can be a deadlock */ 977 if (ugen_fs_uninit(f)) { 978 /* ignore any errors */ 979 DPRINTFN(6, "no FIFOs\n"); 980 } 981 /* start re-enumeration of device */ 982 usbd_start_re_enumerate(udev); 983 return (0); 984 } 985 986 int 987 ugen_fs_uninit(struct usb_fifo *f) 988 { 989 if (f->fs_xfer == NULL) { 990 return (EINVAL); 991 } 992 usbd_transfer_unsetup(f->fs_xfer, f->fs_ep_max); 993 free(f->fs_xfer, M_USB); 994 f->fs_xfer = NULL; 995 f->fs_ep_max = 0; 996 f->fs_ep_ptr = NULL; 997 f->flag_iscomplete = 0; 998 usb_fifo_free_buffer(f); 999 return (0); 1000 } 1001 1002 static uint8_t 1003 ugen_fs_get_complete(struct usb_fifo *f, uint8_t *pindex) 1004 { 1005 struct usb_mbuf *m; 1006 1007 USB_IF_DEQUEUE(&f->used_q, m); 1008 1009 if (m) { 1010 *pindex = *((uint8_t *)(m->cur_data_ptr)); 1011 1012 USB_IF_ENQUEUE(&f->free_q, m); 1013 1014 return (0); /* success */ 1015 } else { 1016 1017 *pindex = 0; /* fix compiler warning */ 1018 1019 f->flag_iscomplete = 0; 1020 } 1021 return (1); /* failure */ 1022 } 1023 1024 static void 1025 ugen_fs_set_complete(struct usb_fifo *f, uint8_t index) 1026 { 1027 struct usb_mbuf *m; 1028 1029 USB_IF_DEQUEUE(&f->free_q, m); 1030 1031 if (m == NULL) { 1032 /* can happen during close */ 1033 DPRINTF("out of buffers\n"); 1034 return; 1035 } 1036 USB_MBUF_RESET(m); 1037 1038 *((uint8_t *)(m->cur_data_ptr)) = index; 1039 1040 USB_IF_ENQUEUE(&f->used_q, m); 1041 1042 f->flag_iscomplete = 1; 1043 1044 usb_fifo_wakeup(f); 1045 } 1046 1047 static int 1048 ugen_fs_copy_in(struct usb_fifo *f, uint8_t ep_index) 1049 { 1050 struct usb_device_request *req; 1051 struct usb_xfer *xfer; 1052 struct usb_fs_endpoint fs_ep; 1053 void *uaddr; /* userland pointer */ 1054 void *kaddr; 1055 usb_frlength_t offset; 1056 usb_frlength_t rem; 1057 usb_frcount_t n; 1058 uint32_t length; 1059 int error; 1060 uint8_t isread; 1061 1062 if (ep_index >= f->fs_ep_max) { 1063 return (EINVAL); 1064 } 1065 xfer = f->fs_xfer[ep_index]; 1066 if (xfer == NULL) { 1067 return (EINVAL); 1068 } 1069 mtx_lock(f->priv_mtx); 1070 if (usbd_transfer_pending(xfer)) { 1071 mtx_unlock(f->priv_mtx); 1072 return (EBUSY); /* should not happen */ 1073 } 1074 mtx_unlock(f->priv_mtx); 1075 1076 error = copyin(f->fs_ep_ptr + 1077 ep_index, &fs_ep, sizeof(fs_ep)); 1078 if (error) { 1079 return (error); 1080 } 1081 /* security checks */ 1082 1083 if (fs_ep.nFrames > xfer->max_frame_count) { 1084 xfer->error = USB_ERR_INVAL; 1085 goto complete; 1086 } 1087 if (fs_ep.nFrames == 0) { 1088 xfer->error = USB_ERR_INVAL; 1089 goto complete; 1090 } 1091 error = copyin(fs_ep.ppBuffer, 1092 &uaddr, sizeof(uaddr)); 1093 if (error) { 1094 return (error); 1095 } 1096 /* reset first frame */ 1097 usbd_xfer_set_frame_offset(xfer, 0, 0); 1098 1099 if (xfer->flags_int.control_xfr) { 1100 1101 req = xfer->frbuffers[0].buffer; 1102 1103 error = copyin(fs_ep.pLength, 1104 &length, sizeof(length)); 1105 if (error) { 1106 return (error); 1107 } 1108 if (length != sizeof(*req)) { 1109 xfer->error = USB_ERR_INVAL; 1110 goto complete; 1111 } 1112 if (length != 0) { 1113 error = copyin(uaddr, req, length); 1114 if (error) { 1115 return (error); 1116 } 1117 } 1118 if (ugen_check_request(f->udev, req)) { 1119 xfer->error = USB_ERR_INVAL; 1120 goto complete; 1121 } 1122 usbd_xfer_set_frame_len(xfer, 0, length); 1123 1124 /* Host mode only ! */ 1125 if ((req->bmRequestType & 1126 (UT_READ | UT_WRITE)) == UT_READ) { 1127 isread = 1; 1128 } else { 1129 isread = 0; 1130 } 1131 n = 1; 1132 offset = sizeof(*req); 1133 1134 } else { 1135 /* Device and Host mode */ 1136 if (USB_GET_DATA_ISREAD(xfer)) { 1137 isread = 1; 1138 } else { 1139 isread = 0; 1140 } 1141 n = 0; 1142 offset = 0; 1143 } 1144 1145 rem = usbd_xfer_max_len(xfer); 1146 xfer->nframes = fs_ep.nFrames; 1147 xfer->timeout = fs_ep.timeout; 1148 if (xfer->timeout > 65535) { 1149 xfer->timeout = 65535; 1150 } 1151 if (fs_ep.flags & USB_FS_FLAG_SINGLE_SHORT_OK) 1152 xfer->flags.short_xfer_ok = 1; 1153 else 1154 xfer->flags.short_xfer_ok = 0; 1155 1156 if (fs_ep.flags & USB_FS_FLAG_MULTI_SHORT_OK) 1157 xfer->flags.short_frames_ok = 1; 1158 else 1159 xfer->flags.short_frames_ok = 0; 1160 1161 if (fs_ep.flags & USB_FS_FLAG_FORCE_SHORT) 1162 xfer->flags.force_short_xfer = 1; 1163 else 1164 xfer->flags.force_short_xfer = 0; 1165 1166 if (fs_ep.flags & USB_FS_FLAG_CLEAR_STALL) 1167 usbd_xfer_set_stall(xfer); 1168 else 1169 xfer->flags.stall_pipe = 0; 1170 1171 for (; n != xfer->nframes; n++) { 1172 1173 error = copyin(fs_ep.pLength + n, 1174 &length, sizeof(length)); 1175 if (error) { 1176 break; 1177 } 1178 usbd_xfer_set_frame_len(xfer, n, length); 1179 1180 if (length > rem) { 1181 xfer->error = USB_ERR_INVAL; 1182 goto complete; 1183 } 1184 rem -= length; 1185 1186 if (!isread) { 1187 1188 /* we need to know the source buffer */ 1189 error = copyin(fs_ep.ppBuffer + n, 1190 &uaddr, sizeof(uaddr)); 1191 if (error) { 1192 break; 1193 } 1194 if (xfer->flags_int.isochronous_xfr) { 1195 /* get kernel buffer address */ 1196 kaddr = xfer->frbuffers[0].buffer; 1197 kaddr = USB_ADD_BYTES(kaddr, offset); 1198 } else { 1199 /* set current frame offset */ 1200 usbd_xfer_set_frame_offset(xfer, offset, n); 1201 1202 /* get kernel buffer address */ 1203 kaddr = xfer->frbuffers[n].buffer; 1204 } 1205 1206 /* move data */ 1207 error = copyin(uaddr, kaddr, length); 1208 if (error) { 1209 break; 1210 } 1211 } 1212 offset += length; 1213 } 1214 return (error); 1215 1216 complete: 1217 mtx_lock(f->priv_mtx); 1218 ugen_fs_set_complete(f, ep_index); 1219 mtx_unlock(f->priv_mtx); 1220 return (0); 1221 } 1222 1223 static int 1224 ugen_fs_copy_out(struct usb_fifo *f, uint8_t ep_index) 1225 { 1226 struct usb_device_request *req; 1227 struct usb_xfer *xfer; 1228 struct usb_fs_endpoint fs_ep; 1229 struct usb_fs_endpoint *fs_ep_uptr; /* userland ptr */ 1230 void *uaddr; /* userland ptr */ 1231 void *kaddr; 1232 usb_frlength_t offset; 1233 usb_frlength_t rem; 1234 usb_frcount_t n; 1235 uint32_t length; 1236 uint32_t temp; 1237 int error; 1238 uint8_t isread; 1239 1240 if (ep_index >= f->fs_ep_max) 1241 return (EINVAL); 1242 1243 xfer = f->fs_xfer[ep_index]; 1244 if (xfer == NULL) 1245 return (EINVAL); 1246 1247 mtx_lock(f->priv_mtx); 1248 if (usbd_transfer_pending(xfer)) { 1249 mtx_unlock(f->priv_mtx); 1250 return (EBUSY); /* should not happen */ 1251 } 1252 mtx_unlock(f->priv_mtx); 1253 1254 fs_ep_uptr = f->fs_ep_ptr + ep_index; 1255 error = copyin(fs_ep_uptr, &fs_ep, sizeof(fs_ep)); 1256 if (error) { 1257 return (error); 1258 } 1259 fs_ep.status = xfer->error; 1260 fs_ep.aFrames = xfer->aframes; 1261 fs_ep.isoc_time_complete = xfer->isoc_time_complete; 1262 if (xfer->error) { 1263 goto complete; 1264 } 1265 if (xfer->flags_int.control_xfr) { 1266 req = xfer->frbuffers[0].buffer; 1267 1268 /* Host mode only ! */ 1269 if ((req->bmRequestType & (UT_READ | UT_WRITE)) == UT_READ) { 1270 isread = 1; 1271 } else { 1272 isread = 0; 1273 } 1274 if (xfer->nframes == 0) 1275 n = 0; /* should never happen */ 1276 else 1277 n = 1; 1278 } else { 1279 /* Device and Host mode */ 1280 if (USB_GET_DATA_ISREAD(xfer)) { 1281 isread = 1; 1282 } else { 1283 isread = 0; 1284 } 1285 n = 0; 1286 } 1287 1288 /* Update lengths and copy out data */ 1289 1290 rem = usbd_xfer_max_len(xfer); 1291 offset = 0; 1292 1293 for (; n != xfer->nframes; n++) { 1294 1295 /* get initial length into "temp" */ 1296 error = copyin(fs_ep.pLength + n, 1297 &temp, sizeof(temp)); 1298 if (error) { 1299 return (error); 1300 } 1301 if (temp > rem) { 1302 /* the userland length has been corrupted */ 1303 DPRINTF("corrupt userland length " 1304 "%u > %u\n", temp, rem); 1305 fs_ep.status = USB_ERR_INVAL; 1306 goto complete; 1307 } 1308 rem -= temp; 1309 1310 /* get actual transfer length */ 1311 length = xfer->frlengths[n]; 1312 if (length > temp) { 1313 /* data overflow */ 1314 fs_ep.status = USB_ERR_INVAL; 1315 DPRINTF("data overflow %u > %u\n", 1316 length, temp); 1317 goto complete; 1318 } 1319 if (isread) { 1320 1321 /* we need to know the destination buffer */ 1322 error = copyin(fs_ep.ppBuffer + n, 1323 &uaddr, sizeof(uaddr)); 1324 if (error) { 1325 return (error); 1326 } 1327 if (xfer->flags_int.isochronous_xfr) { 1328 /* only one frame buffer */ 1329 kaddr = USB_ADD_BYTES( 1330 xfer->frbuffers[0].buffer, offset); 1331 } else { 1332 /* multiple frame buffers */ 1333 kaddr = xfer->frbuffers[n].buffer; 1334 } 1335 1336 /* move data */ 1337 error = copyout(kaddr, uaddr, length); 1338 if (error) { 1339 return (error); 1340 } 1341 } 1342 /* 1343 * Update offset according to initial length, which is 1344 * needed by isochronous transfers! 1345 */ 1346 offset += temp; 1347 1348 /* update length */ 1349 error = copyout(&length, 1350 fs_ep.pLength + n, sizeof(length)); 1351 if (error) { 1352 return (error); 1353 } 1354 } 1355 1356 complete: 1357 /* update "aFrames" */ 1358 error = copyout(&fs_ep.aFrames, &fs_ep_uptr->aFrames, 1359 sizeof(fs_ep.aFrames)); 1360 if (error) 1361 goto done; 1362 1363 /* update "isoc_time_complete" */ 1364 error = copyout(&fs_ep.isoc_time_complete, 1365 &fs_ep_uptr->isoc_time_complete, 1366 sizeof(fs_ep.isoc_time_complete)); 1367 if (error) 1368 goto done; 1369 /* update "status" */ 1370 error = copyout(&fs_ep.status, &fs_ep_uptr->status, 1371 sizeof(fs_ep.status)); 1372 done: 1373 return (error); 1374 } 1375 1376 static uint8_t 1377 ugen_fifo_in_use(struct usb_fifo *f, int fflags) 1378 { 1379 struct usb_fifo *f_rx; 1380 struct usb_fifo *f_tx; 1381 1382 f_rx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_RX]; 1383 f_tx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_TX]; 1384 1385 if ((fflags & FREAD) && f_rx && 1386 (f_rx->xfer[0] || f_rx->xfer[1])) { 1387 return (1); /* RX FIFO in use */ 1388 } 1389 if ((fflags & FWRITE) && f_tx && 1390 (f_tx->xfer[0] || f_tx->xfer[1])) { 1391 return (1); /* TX FIFO in use */ 1392 } 1393 return (0); /* not in use */ 1394 } 1395 1396 static int 1397 ugen_ioctl(struct usb_fifo *f, u_long cmd, void *addr, int fflags) 1398 { 1399 struct usb_config usb_config[1]; 1400 struct usb_device_request req; 1401 union { 1402 struct usb_fs_complete *pcomp; 1403 struct usb_fs_start *pstart; 1404 struct usb_fs_stop *pstop; 1405 struct usb_fs_open *popen; 1406 struct usb_fs_open_stream *popen_stream; 1407 struct usb_fs_close *pclose; 1408 struct usb_fs_clear_stall_sync *pstall; 1409 void *addr; 1410 } u; 1411 struct usb_endpoint *ep; 1412 struct usb_endpoint_descriptor *ed; 1413 struct usb_xfer *xfer; 1414 int error = 0; 1415 uint8_t iface_index; 1416 uint8_t isread; 1417 uint8_t ep_index; 1418 uint8_t pre_scale; 1419 1420 u.addr = addr; 1421 1422 DPRINTFN(6, "cmd=0x%08lx\n", cmd); 1423 1424 switch (cmd) { 1425 case USB_FS_COMPLETE: 1426 mtx_lock(f->priv_mtx); 1427 error = ugen_fs_get_complete(f, &ep_index); 1428 mtx_unlock(f->priv_mtx); 1429 1430 if (error) { 1431 error = EBUSY; 1432 break; 1433 } 1434 u.pcomp->ep_index = ep_index; 1435 error = ugen_fs_copy_out(f, u.pcomp->ep_index); 1436 break; 1437 1438 case USB_FS_START: 1439 error = ugen_fs_copy_in(f, u.pstart->ep_index); 1440 if (error) 1441 break; 1442 mtx_lock(f->priv_mtx); 1443 xfer = f->fs_xfer[u.pstart->ep_index]; 1444 usbd_transfer_start(xfer); 1445 mtx_unlock(f->priv_mtx); 1446 break; 1447 1448 case USB_FS_STOP: 1449 if (u.pstop->ep_index >= f->fs_ep_max) { 1450 error = EINVAL; 1451 break; 1452 } 1453 mtx_lock(f->priv_mtx); 1454 xfer = f->fs_xfer[u.pstart->ep_index]; 1455 if (usbd_transfer_pending(xfer)) { 1456 usbd_transfer_stop(xfer); 1457 /* 1458 * Check if the USB transfer was stopped 1459 * before it was even started. Else a cancel 1460 * callback will be pending. 1461 */ 1462 if (!xfer->flags_int.transferring) { 1463 ugen_fs_set_complete(xfer->priv_sc, 1464 USB_P2U(xfer->priv_fifo)); 1465 } 1466 } 1467 mtx_unlock(f->priv_mtx); 1468 break; 1469 1470 case USB_FS_OPEN: 1471 case USB_FS_OPEN_STREAM: 1472 if (u.popen->ep_index >= f->fs_ep_max) { 1473 error = EINVAL; 1474 break; 1475 } 1476 if (f->fs_xfer[u.popen->ep_index] != NULL) { 1477 error = EBUSY; 1478 break; 1479 } 1480 if (u.popen->max_bufsize > USB_FS_MAX_BUFSIZE) { 1481 u.popen->max_bufsize = USB_FS_MAX_BUFSIZE; 1482 } 1483 if (u.popen->max_frames & USB_FS_MAX_FRAMES_PRE_SCALE) { 1484 pre_scale = 1; 1485 u.popen->max_frames &= ~USB_FS_MAX_FRAMES_PRE_SCALE; 1486 } else { 1487 pre_scale = 0; 1488 } 1489 if (u.popen->max_frames > USB_FS_MAX_FRAMES) { 1490 u.popen->max_frames = USB_FS_MAX_FRAMES; 1491 break; 1492 } 1493 if (u.popen->max_frames == 0) { 1494 error = EINVAL; 1495 break; 1496 } 1497 ep = usbd_get_ep_by_addr(f->udev, u.popen->ep_no); 1498 if (ep == NULL) { 1499 error = EINVAL; 1500 break; 1501 } 1502 ed = ep->edesc; 1503 if (ed == NULL) { 1504 error = ENXIO; 1505 break; 1506 } 1507 iface_index = ep->iface_index; 1508 1509 memset(usb_config, 0, sizeof(usb_config)); 1510 1511 usb_config[0].type = ed->bmAttributes & UE_XFERTYPE; 1512 usb_config[0].endpoint = ed->bEndpointAddress & UE_ADDR; 1513 usb_config[0].direction = ed->bEndpointAddress & (UE_DIR_OUT | UE_DIR_IN); 1514 usb_config[0].interval = USB_DEFAULT_INTERVAL; 1515 usb_config[0].flags.proxy_buffer = 1; 1516 if (pre_scale != 0) 1517 usb_config[0].flags.pre_scale_frames = 1; 1518 usb_config[0].callback = &ugen_ctrl_fs_callback; 1519 usb_config[0].timeout = 0; /* no timeout */ 1520 usb_config[0].frames = u.popen->max_frames; 1521 usb_config[0].bufsize = u.popen->max_bufsize; 1522 usb_config[0].usb_mode = USB_MODE_DUAL; /* both modes */ 1523 if (cmd == USB_FS_OPEN_STREAM) 1524 usb_config[0].stream_id = u.popen_stream->stream_id; 1525 1526 if (usb_config[0].type == UE_CONTROL) { 1527 if (f->udev->flags.usb_mode != USB_MODE_HOST) { 1528 error = EINVAL; 1529 break; 1530 } 1531 } else { 1532 1533 isread = ((usb_config[0].endpoint & 1534 (UE_DIR_IN | UE_DIR_OUT)) == UE_DIR_IN); 1535 1536 if (f->udev->flags.usb_mode != USB_MODE_HOST) { 1537 isread = !isread; 1538 } 1539 /* check permissions */ 1540 if (isread) { 1541 if (!(fflags & FREAD)) { 1542 error = EPERM; 1543 break; 1544 } 1545 } else { 1546 if (!(fflags & FWRITE)) { 1547 error = EPERM; 1548 break; 1549 } 1550 } 1551 } 1552 error = usbd_transfer_setup(f->udev, &iface_index, 1553 f->fs_xfer + u.popen->ep_index, usb_config, 1, 1554 f, f->priv_mtx); 1555 if (error == 0) { 1556 /* update maximums */ 1557 u.popen->max_packet_length = 1558 f->fs_xfer[u.popen->ep_index]->max_frame_size; 1559 u.popen->max_bufsize = 1560 f->fs_xfer[u.popen->ep_index]->max_data_length; 1561 /* update number of frames */ 1562 u.popen->max_frames = 1563 f->fs_xfer[u.popen->ep_index]->nframes; 1564 /* store index of endpoint */ 1565 f->fs_xfer[u.popen->ep_index]->priv_fifo = 1566 ((uint8_t *)0) + u.popen->ep_index; 1567 } else { 1568 error = ENOMEM; 1569 } 1570 break; 1571 1572 case USB_FS_CLOSE: 1573 if (u.pclose->ep_index >= f->fs_ep_max) { 1574 error = EINVAL; 1575 break; 1576 } 1577 if (f->fs_xfer[u.pclose->ep_index] == NULL) { 1578 error = EINVAL; 1579 break; 1580 } 1581 usbd_transfer_unsetup(f->fs_xfer + u.pclose->ep_index, 1); 1582 break; 1583 1584 case USB_FS_CLEAR_STALL_SYNC: 1585 if (u.pstall->ep_index >= f->fs_ep_max) { 1586 error = EINVAL; 1587 break; 1588 } 1589 if (f->fs_xfer[u.pstall->ep_index] == NULL) { 1590 error = EINVAL; 1591 break; 1592 } 1593 if (f->udev->flags.usb_mode != USB_MODE_HOST) { 1594 error = EINVAL; 1595 break; 1596 } 1597 mtx_lock(f->priv_mtx); 1598 error = usbd_transfer_pending(f->fs_xfer[u.pstall->ep_index]); 1599 mtx_unlock(f->priv_mtx); 1600 1601 if (error) { 1602 return (EBUSY); 1603 } 1604 ep = f->fs_xfer[u.pstall->ep_index]->endpoint; 1605 1606 /* setup a clear-stall packet */ 1607 req.bmRequestType = UT_WRITE_ENDPOINT; 1608 req.bRequest = UR_CLEAR_FEATURE; 1609 USETW(req.wValue, UF_ENDPOINT_HALT); 1610 req.wIndex[0] = ep->edesc->bEndpointAddress; 1611 req.wIndex[1] = 0; 1612 USETW(req.wLength, 0); 1613 1614 error = usbd_do_request(f->udev, NULL, &req, NULL); 1615 if (error == 0) { 1616 usbd_clear_data_toggle(f->udev, ep); 1617 } else { 1618 error = ENXIO; 1619 } 1620 break; 1621 1622 default: 1623 error = ENOIOCTL; 1624 break; 1625 } 1626 1627 DPRINTFN(6, "error=%d\n", error); 1628 1629 return (error); 1630 } 1631 1632 static int 1633 ugen_set_short_xfer(struct usb_fifo *f, void *addr) 1634 { 1635 uint8_t t; 1636 1637 if (*(int *)addr) 1638 t = 1; 1639 else 1640 t = 0; 1641 1642 if (f->flag_short == t) { 1643 /* same value like before - accept */ 1644 return (0); 1645 } 1646 if (f->xfer[0] || f->xfer[1]) { 1647 /* cannot change this during transfer */ 1648 return (EBUSY); 1649 } 1650 f->flag_short = t; 1651 return (0); 1652 } 1653 1654 static int 1655 ugen_set_timeout(struct usb_fifo *f, void *addr) 1656 { 1657 f->timeout = *(int *)addr; 1658 if (f->timeout > 65535) { 1659 /* limit user input */ 1660 f->timeout = 65535; 1661 } 1662 return (0); 1663 } 1664 1665 static int 1666 ugen_get_frame_size(struct usb_fifo *f, void *addr) 1667 { 1668 if (f->xfer[0]) { 1669 *(int *)addr = f->xfer[0]->max_frame_size; 1670 } else { 1671 return (EINVAL); 1672 } 1673 return (0); 1674 } 1675 1676 static int 1677 ugen_set_buffer_size(struct usb_fifo *f, void *addr) 1678 { 1679 usb_frlength_t t; 1680 1681 if (*(int *)addr < 0) 1682 t = 0; /* use "wMaxPacketSize" */ 1683 else if (*(int *)addr < (256 * 1024)) 1684 t = *(int *)addr; 1685 else 1686 t = 256 * 1024; 1687 1688 if (f->bufsize == t) { 1689 /* same value like before - accept */ 1690 return (0); 1691 } 1692 if (f->xfer[0] || f->xfer[1]) { 1693 /* cannot change this during transfer */ 1694 return (EBUSY); 1695 } 1696 f->bufsize = t; 1697 return (0); 1698 } 1699 1700 static int 1701 ugen_get_buffer_size(struct usb_fifo *f, void *addr) 1702 { 1703 *(int *)addr = f->bufsize; 1704 return (0); 1705 } 1706 1707 static int 1708 ugen_get_iface_desc(struct usb_fifo *f, 1709 struct usb_interface_descriptor *idesc) 1710 { 1711 struct usb_interface *iface; 1712 1713 iface = usbd_get_iface(f->udev, f->iface_index); 1714 if (iface && iface->idesc) { 1715 *idesc = *(iface->idesc); 1716 } else { 1717 return (EIO); 1718 } 1719 return (0); 1720 } 1721 1722 static int 1723 ugen_get_endpoint_desc(struct usb_fifo *f, 1724 struct usb_endpoint_descriptor *ed) 1725 { 1726 struct usb_endpoint *ep; 1727 1728 ep = usb_fifo_softc(f); 1729 1730 if (ep && ep->edesc) { 1731 *ed = *ep->edesc; 1732 } else { 1733 return (EINVAL); 1734 } 1735 return (0); 1736 } 1737 1738 static int 1739 ugen_set_power_mode(struct usb_fifo *f, int mode) 1740 { 1741 struct usb_device *udev = f->udev; 1742 int err; 1743 uint8_t old_mode; 1744 1745 if ((udev == NULL) || 1746 (udev->parent_hub == NULL)) { 1747 return (EINVAL); 1748 } 1749 err = priv_check(curthread, PRIV_DRIVER); 1750 if (err) 1751 return (err); 1752 1753 /* get old power mode */ 1754 old_mode = udev->power_mode; 1755 1756 /* if no change, then just return */ 1757 if (old_mode == mode) 1758 return (0); 1759 1760 switch (mode) { 1761 case USB_POWER_MODE_OFF: 1762 /* get the device unconfigured */ 1763 err = ugen_set_config(f, USB_UNCONFIG_INDEX); 1764 if (err) { 1765 DPRINTFN(0, "Could not unconfigure " 1766 "device (ignored)\n"); 1767 } 1768 1769 /* clear port enable */ 1770 err = usbd_req_clear_port_feature(udev->parent_hub, 1771 NULL, udev->port_no, UHF_PORT_ENABLE); 1772 break; 1773 1774 case USB_POWER_MODE_ON: 1775 case USB_POWER_MODE_SAVE: 1776 break; 1777 1778 case USB_POWER_MODE_RESUME: 1779 #if USB_HAVE_POWERD 1780 /* let USB-powerd handle resume */ 1781 USB_BUS_LOCK(udev->bus); 1782 udev->pwr_save.write_refs++; 1783 udev->pwr_save.last_xfer_time = ticks; 1784 USB_BUS_UNLOCK(udev->bus); 1785 1786 /* set new power mode */ 1787 usbd_set_power_mode(udev, USB_POWER_MODE_SAVE); 1788 1789 /* wait for resume to complete */ 1790 usb_pause_mtx(NULL, hz / 4); 1791 1792 /* clear write reference */ 1793 USB_BUS_LOCK(udev->bus); 1794 udev->pwr_save.write_refs--; 1795 USB_BUS_UNLOCK(udev->bus); 1796 #endif 1797 mode = USB_POWER_MODE_SAVE; 1798 break; 1799 1800 case USB_POWER_MODE_SUSPEND: 1801 #if USB_HAVE_POWERD 1802 /* let USB-powerd handle suspend */ 1803 USB_BUS_LOCK(udev->bus); 1804 udev->pwr_save.last_xfer_time = ticks - (256 * hz); 1805 USB_BUS_UNLOCK(udev->bus); 1806 #endif 1807 mode = USB_POWER_MODE_SAVE; 1808 break; 1809 1810 default: 1811 return (EINVAL); 1812 } 1813 1814 if (err) 1815 return (ENXIO); /* I/O failure */ 1816 1817 /* if we are powered off we need to re-enumerate first */ 1818 if (old_mode == USB_POWER_MODE_OFF) { 1819 if (udev->flags.usb_mode == USB_MODE_HOST) { 1820 if (udev->re_enumerate_wait == 0) 1821 udev->re_enumerate_wait = 1; 1822 } 1823 /* set power mode will wake up the explore thread */ 1824 } 1825 1826 /* set new power mode */ 1827 usbd_set_power_mode(udev, mode); 1828 1829 return (0); /* success */ 1830 } 1831 1832 static int 1833 ugen_get_power_mode(struct usb_fifo *f) 1834 { 1835 struct usb_device *udev = f->udev; 1836 1837 if (udev == NULL) 1838 return (USB_POWER_MODE_ON); 1839 1840 return (udev->power_mode); 1841 } 1842 1843 static int 1844 ugen_get_power_usage(struct usb_fifo *f) 1845 { 1846 struct usb_device *udev = f->udev; 1847 1848 if (udev == NULL) 1849 return (0); 1850 1851 return (udev->power); 1852 } 1853 1854 static int 1855 ugen_do_port_feature(struct usb_fifo *f, uint8_t port_no, 1856 uint8_t set, uint16_t feature) 1857 { 1858 struct usb_device *udev = f->udev; 1859 struct usb_hub *hub; 1860 int err; 1861 1862 err = priv_check(curthread, PRIV_DRIVER); 1863 if (err) { 1864 return (err); 1865 } 1866 if (port_no == 0) { 1867 return (EINVAL); 1868 } 1869 if ((udev == NULL) || 1870 (udev->hub == NULL)) { 1871 return (EINVAL); 1872 } 1873 hub = udev->hub; 1874 1875 if (port_no > hub->nports) { 1876 return (EINVAL); 1877 } 1878 if (set) 1879 err = usbd_req_set_port_feature(udev, 1880 NULL, port_no, feature); 1881 else 1882 err = usbd_req_clear_port_feature(udev, 1883 NULL, port_no, feature); 1884 1885 if (err) 1886 return (ENXIO); /* failure */ 1887 1888 return (0); /* success */ 1889 } 1890 1891 static int 1892 ugen_iface_ioctl(struct usb_fifo *f, u_long cmd, void *addr, int fflags) 1893 { 1894 struct usb_fifo *f_rx; 1895 struct usb_fifo *f_tx; 1896 int error = 0; 1897 1898 f_rx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_RX]; 1899 f_tx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_TX]; 1900 1901 switch (cmd) { 1902 case USB_SET_RX_SHORT_XFER: 1903 if (fflags & FREAD) { 1904 error = ugen_set_short_xfer(f_rx, addr); 1905 } else { 1906 error = EINVAL; 1907 } 1908 break; 1909 1910 case USB_SET_TX_FORCE_SHORT: 1911 if (fflags & FWRITE) { 1912 error = ugen_set_short_xfer(f_tx, addr); 1913 } else { 1914 error = EINVAL; 1915 } 1916 break; 1917 1918 case USB_SET_RX_TIMEOUT: 1919 if (fflags & FREAD) { 1920 error = ugen_set_timeout(f_rx, addr); 1921 } else { 1922 error = EINVAL; 1923 } 1924 break; 1925 1926 case USB_SET_TX_TIMEOUT: 1927 if (fflags & FWRITE) { 1928 error = ugen_set_timeout(f_tx, addr); 1929 } else { 1930 error = EINVAL; 1931 } 1932 break; 1933 1934 case USB_GET_RX_FRAME_SIZE: 1935 if (fflags & FREAD) { 1936 error = ugen_get_frame_size(f_rx, addr); 1937 } else { 1938 error = EINVAL; 1939 } 1940 break; 1941 1942 case USB_GET_TX_FRAME_SIZE: 1943 if (fflags & FWRITE) { 1944 error = ugen_get_frame_size(f_tx, addr); 1945 } else { 1946 error = EINVAL; 1947 } 1948 break; 1949 1950 case USB_SET_RX_BUFFER_SIZE: 1951 if (fflags & FREAD) { 1952 error = ugen_set_buffer_size(f_rx, addr); 1953 } else { 1954 error = EINVAL; 1955 } 1956 break; 1957 1958 case USB_SET_TX_BUFFER_SIZE: 1959 if (fflags & FWRITE) { 1960 error = ugen_set_buffer_size(f_tx, addr); 1961 } else { 1962 error = EINVAL; 1963 } 1964 break; 1965 1966 case USB_GET_RX_BUFFER_SIZE: 1967 if (fflags & FREAD) { 1968 error = ugen_get_buffer_size(f_rx, addr); 1969 } else { 1970 error = EINVAL; 1971 } 1972 break; 1973 1974 case USB_GET_TX_BUFFER_SIZE: 1975 if (fflags & FWRITE) { 1976 error = ugen_get_buffer_size(f_tx, addr); 1977 } else { 1978 error = EINVAL; 1979 } 1980 break; 1981 1982 case USB_GET_RX_INTERFACE_DESC: 1983 if (fflags & FREAD) { 1984 error = ugen_get_iface_desc(f_rx, addr); 1985 } else { 1986 error = EINVAL; 1987 } 1988 break; 1989 1990 case USB_GET_TX_INTERFACE_DESC: 1991 if (fflags & FWRITE) { 1992 error = ugen_get_iface_desc(f_tx, addr); 1993 } else { 1994 error = EINVAL; 1995 } 1996 break; 1997 1998 case USB_GET_RX_ENDPOINT_DESC: 1999 if (fflags & FREAD) { 2000 error = ugen_get_endpoint_desc(f_rx, addr); 2001 } else { 2002 error = EINVAL; 2003 } 2004 break; 2005 2006 case USB_GET_TX_ENDPOINT_DESC: 2007 if (fflags & FWRITE) { 2008 error = ugen_get_endpoint_desc(f_tx, addr); 2009 } else { 2010 error = EINVAL; 2011 } 2012 break; 2013 2014 case USB_SET_RX_STALL_FLAG: 2015 if ((fflags & FREAD) && (*(int *)addr)) { 2016 f_rx->flag_stall = 1; 2017 } 2018 break; 2019 2020 case USB_SET_TX_STALL_FLAG: 2021 if ((fflags & FWRITE) && (*(int *)addr)) { 2022 f_tx->flag_stall = 1; 2023 } 2024 break; 2025 2026 default: 2027 error = ENOIOCTL; 2028 break; 2029 } 2030 return (error); 2031 } 2032 2033 static int 2034 ugen_ioctl_post(struct usb_fifo *f, u_long cmd, void *addr, int fflags) 2035 { 2036 union { 2037 struct usb_interface_descriptor *idesc; 2038 struct usb_alt_interface *ai; 2039 struct usb_device_descriptor *ddesc; 2040 struct usb_config_descriptor *cdesc; 2041 struct usb_device_stats *stat; 2042 struct usb_fs_init *pinit; 2043 struct usb_fs_uninit *puninit; 2044 uint32_t *ptime; 2045 void *addr; 2046 int *pint; 2047 } u; 2048 struct usb_device_descriptor *dtemp; 2049 struct usb_config_descriptor *ctemp; 2050 struct usb_interface *iface; 2051 int error = 0; 2052 uint8_t n; 2053 2054 u.addr = addr; 2055 2056 DPRINTFN(6, "cmd=0x%08lx\n", cmd); 2057 2058 switch (cmd) { 2059 case USB_DISCOVER: 2060 usb_needs_explore_all(); 2061 break; 2062 2063 case USB_SETDEBUG: 2064 if (!(fflags & FWRITE)) { 2065 error = EPERM; 2066 break; 2067 } 2068 usb_debug = *(int *)addr; 2069 break; 2070 2071 case USB_GET_CONFIG: 2072 *(int *)addr = f->udev->curr_config_index; 2073 break; 2074 2075 case USB_SET_CONFIG: 2076 if (!(fflags & FWRITE)) { 2077 error = EPERM; 2078 break; 2079 } 2080 error = ugen_set_config(f, *(int *)addr); 2081 break; 2082 2083 case USB_GET_ALTINTERFACE: 2084 iface = usbd_get_iface(f->udev, 2085 u.ai->uai_interface_index); 2086 if (iface && iface->idesc) { 2087 u.ai->uai_alt_index = iface->alt_index; 2088 } else { 2089 error = EINVAL; 2090 } 2091 break; 2092 2093 case USB_SET_ALTINTERFACE: 2094 if (!(fflags & FWRITE)) { 2095 error = EPERM; 2096 break; 2097 } 2098 error = ugen_set_interface(f, 2099 u.ai->uai_interface_index, u.ai->uai_alt_index); 2100 break; 2101 2102 case USB_GET_DEVICE_DESC: 2103 dtemp = usbd_get_device_descriptor(f->udev); 2104 if (!dtemp) { 2105 error = EIO; 2106 break; 2107 } 2108 *u.ddesc = *dtemp; 2109 break; 2110 2111 case USB_GET_CONFIG_DESC: 2112 ctemp = usbd_get_config_descriptor(f->udev); 2113 if (!ctemp) { 2114 error = EIO; 2115 break; 2116 } 2117 *u.cdesc = *ctemp; 2118 break; 2119 2120 case USB_GET_FULL_DESC: 2121 error = ugen_get_cdesc(f, addr); 2122 break; 2123 2124 case USB_GET_STRING_DESC: 2125 error = ugen_get_sdesc(f, addr); 2126 break; 2127 2128 case USB_GET_IFACE_DRIVER: 2129 error = ugen_get_iface_driver(f, addr); 2130 break; 2131 2132 case USB_REQUEST: 2133 case USB_DO_REQUEST: 2134 if (!(fflags & FWRITE)) { 2135 error = EPERM; 2136 break; 2137 } 2138 error = ugen_do_request(f, addr); 2139 break; 2140 2141 case USB_DEVICEINFO: 2142 case USB_GET_DEVICEINFO: 2143 error = usb_gen_fill_deviceinfo(f, addr); 2144 break; 2145 2146 case USB_DEVICESTATS: 2147 for (n = 0; n != 4; n++) { 2148 2149 u.stat->uds_requests_fail[n] = 2150 f->udev->bus->stats_err.uds_requests[n]; 2151 2152 u.stat->uds_requests_ok[n] = 2153 f->udev->bus->stats_ok.uds_requests[n]; 2154 } 2155 break; 2156 2157 case USB_DEVICEENUMERATE: 2158 error = ugen_re_enumerate(f); 2159 break; 2160 2161 case USB_GET_PLUGTIME: 2162 *u.ptime = f->udev->plugtime; 2163 break; 2164 2165 case USB_CLAIM_INTERFACE: 2166 case USB_RELEASE_INTERFACE: 2167 /* TODO */ 2168 break; 2169 2170 case USB_IFACE_DRIVER_ACTIVE: 2171 2172 n = *u.pint & 0xFF; 2173 2174 iface = usbd_get_iface(f->udev, n); 2175 2176 if (iface && iface->subdev) 2177 error = 0; 2178 else 2179 error = ENXIO; 2180 break; 2181 2182 case USB_IFACE_DRIVER_DETACH: 2183 2184 error = priv_check(curthread, PRIV_DRIVER); 2185 2186 if (error) 2187 break; 2188 2189 n = *u.pint & 0xFF; 2190 2191 if (n == USB_IFACE_INDEX_ANY) { 2192 error = EINVAL; 2193 break; 2194 } 2195 2196 /* 2197 * Detach the currently attached driver. 2198 */ 2199 usb_detach_device(f->udev, n, 0); 2200 2201 /* 2202 * Set parent to self, this should keep attach away 2203 * until the next set configuration event. 2204 */ 2205 usbd_set_parent_iface(f->udev, n, n); 2206 break; 2207 2208 case USB_SET_POWER_MODE: 2209 error = ugen_set_power_mode(f, *u.pint); 2210 break; 2211 2212 case USB_GET_POWER_MODE: 2213 *u.pint = ugen_get_power_mode(f); 2214 break; 2215 2216 case USB_GET_POWER_USAGE: 2217 *u.pint = ugen_get_power_usage(f); 2218 break; 2219 2220 case USB_SET_PORT_ENABLE: 2221 error = ugen_do_port_feature(f, 2222 *u.pint, 1, UHF_PORT_ENABLE); 2223 break; 2224 2225 case USB_SET_PORT_DISABLE: 2226 error = ugen_do_port_feature(f, 2227 *u.pint, 0, UHF_PORT_ENABLE); 2228 break; 2229 2230 case USB_FS_INIT: 2231 /* verify input parameters */ 2232 if (u.pinit->pEndpoints == NULL) { 2233 error = EINVAL; 2234 break; 2235 } 2236 if (u.pinit->ep_index_max > 127) { 2237 error = EINVAL; 2238 break; 2239 } 2240 if (u.pinit->ep_index_max == 0) { 2241 error = EINVAL; 2242 break; 2243 } 2244 if (f->fs_xfer != NULL) { 2245 error = EBUSY; 2246 break; 2247 } 2248 if (f->dev_ep_index != 0) { 2249 error = EINVAL; 2250 break; 2251 } 2252 if (ugen_fifo_in_use(f, fflags)) { 2253 error = EBUSY; 2254 break; 2255 } 2256 error = usb_fifo_alloc_buffer(f, 1, u.pinit->ep_index_max); 2257 if (error) { 2258 break; 2259 } 2260 f->fs_xfer = malloc(sizeof(f->fs_xfer[0]) * 2261 u.pinit->ep_index_max, M_USB, M_WAITOK | M_ZERO); 2262 if (f->fs_xfer == NULL) { 2263 usb_fifo_free_buffer(f); 2264 error = ENOMEM; 2265 break; 2266 } 2267 f->fs_ep_max = u.pinit->ep_index_max; 2268 f->fs_ep_ptr = u.pinit->pEndpoints; 2269 break; 2270 2271 case USB_FS_UNINIT: 2272 if (u.puninit->dummy != 0) { 2273 error = EINVAL; 2274 break; 2275 } 2276 error = ugen_fs_uninit(f); 2277 break; 2278 2279 default: 2280 mtx_lock(f->priv_mtx); 2281 error = ugen_iface_ioctl(f, cmd, addr, fflags); 2282 mtx_unlock(f->priv_mtx); 2283 break; 2284 } 2285 DPRINTFN(6, "error=%d\n", error); 2286 return (error); 2287 } 2288 2289 static void 2290 ugen_ctrl_fs_callback(struct usb_xfer *xfer, usb_error_t error) 2291 { 2292 ; /* workaround for a bug in "indent" */ 2293 2294 DPRINTF("st=%u alen=%u aframes=%u\n", 2295 USB_GET_STATE(xfer), xfer->actlen, xfer->aframes); 2296 2297 switch (USB_GET_STATE(xfer)) { 2298 case USB_ST_SETUP: 2299 usbd_transfer_submit(xfer); 2300 break; 2301 default: 2302 ugen_fs_set_complete(xfer->priv_sc, USB_P2U(xfer->priv_fifo)); 2303 break; 2304 } 2305 } 2306 #endif /* USB_HAVE_UGEN */ 2307