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_RWTUN, &ugen_debug, 135 0, "Debug level"); 136 #endif 137 138 139 /* prototypes */ 140 141 static int 142 ugen_transfer_setup(struct usb_fifo *f, 143 const struct usb_config *setup, uint8_t n_setup) 144 { 145 struct usb_endpoint *ep = usb_fifo_softc(f); 146 struct usb_device *udev = f->udev; 147 uint8_t iface_index = ep->iface_index; 148 int error; 149 150 mtx_unlock(f->priv_mtx); 151 152 /* 153 * "usbd_transfer_setup()" can sleep so one needs to make a wrapper, 154 * exiting the mutex and checking things 155 */ 156 error = usbd_transfer_setup(udev, &iface_index, f->xfer, 157 setup, n_setup, f, f->priv_mtx); 158 if (error == 0) { 159 160 if (f->xfer[0]->nframes == 1) { 161 error = usb_fifo_alloc_buffer(f, 162 f->xfer[0]->max_data_length, 2); 163 } else { 164 error = usb_fifo_alloc_buffer(f, 165 f->xfer[0]->max_frame_size, 166 2 * f->xfer[0]->nframes); 167 } 168 if (error) { 169 usbd_transfer_unsetup(f->xfer, n_setup); 170 } 171 } 172 mtx_lock(f->priv_mtx); 173 174 return (error); 175 } 176 177 static int 178 ugen_open(struct usb_fifo *f, int fflags) 179 { 180 struct usb_endpoint *ep = usb_fifo_softc(f); 181 struct usb_endpoint_descriptor *ed = ep->edesc; 182 uint8_t type; 183 184 DPRINTFN(6, "flag=0x%x\n", fflags); 185 186 mtx_lock(f->priv_mtx); 187 switch (usbd_get_speed(f->udev)) { 188 case USB_SPEED_LOW: 189 case USB_SPEED_FULL: 190 f->nframes = UGEN_HW_FRAMES; 191 f->bufsize = UGEN_BULK_FS_BUFFER_SIZE; 192 break; 193 default: 194 f->nframes = UGEN_HW_FRAMES * 8; 195 f->bufsize = UGEN_BULK_HS_BUFFER_SIZE; 196 break; 197 } 198 199 type = ed->bmAttributes & UE_XFERTYPE; 200 if (type == UE_INTERRUPT) { 201 f->bufsize = 0; /* use "wMaxPacketSize" */ 202 } 203 f->timeout = USB_NO_TIMEOUT; 204 f->flag_short = 0; 205 f->fifo_zlp = 0; 206 mtx_unlock(f->priv_mtx); 207 208 return (0); 209 } 210 211 static void 212 ugen_close(struct usb_fifo *f, int fflags) 213 { 214 DPRINTFN(6, "flag=0x%x\n", fflags); 215 216 /* cleanup */ 217 218 mtx_lock(f->priv_mtx); 219 usbd_transfer_stop(f->xfer[0]); 220 usbd_transfer_stop(f->xfer[1]); 221 mtx_unlock(f->priv_mtx); 222 223 usbd_transfer_unsetup(f->xfer, 2); 224 usb_fifo_free_buffer(f); 225 226 if (ugen_fs_uninit(f)) { 227 /* ignore any errors - we are closing */ 228 DPRINTFN(6, "no FIFOs\n"); 229 } 230 } 231 232 static int 233 ugen_open_pipe_write(struct usb_fifo *f) 234 { 235 struct usb_config usb_config[2]; 236 struct usb_endpoint *ep = usb_fifo_softc(f); 237 struct usb_endpoint_descriptor *ed = ep->edesc; 238 239 mtx_assert(f->priv_mtx, MA_OWNED); 240 241 if (f->xfer[0] || f->xfer[1]) { 242 /* transfers are already opened */ 243 return (0); 244 } 245 memset(usb_config, 0, sizeof(usb_config)); 246 247 usb_config[1].type = UE_CONTROL; 248 usb_config[1].endpoint = 0; 249 usb_config[1].direction = UE_DIR_ANY; 250 usb_config[1].timeout = 1000; /* 1 second */ 251 usb_config[1].interval = 50;/* 50 milliseconds */ 252 usb_config[1].bufsize = sizeof(struct usb_device_request); 253 usb_config[1].callback = &ugen_write_clear_stall_callback; 254 usb_config[1].usb_mode = USB_MODE_HOST; 255 256 usb_config[0].type = ed->bmAttributes & UE_XFERTYPE; 257 usb_config[0].endpoint = ed->bEndpointAddress & UE_ADDR; 258 usb_config[0].stream_id = 0; /* XXX support more stream ID's */ 259 usb_config[0].direction = UE_DIR_TX; 260 usb_config[0].interval = USB_DEFAULT_INTERVAL; 261 usb_config[0].flags.proxy_buffer = 1; 262 usb_config[0].usb_mode = USB_MODE_DUAL; /* both modes */ 263 264 switch (ed->bmAttributes & UE_XFERTYPE) { 265 case UE_INTERRUPT: 266 case UE_BULK: 267 if (f->flag_short) { 268 usb_config[0].flags.force_short_xfer = 1; 269 } 270 usb_config[0].callback = &ugen_ctrl_write_callback; 271 usb_config[0].timeout = f->timeout; 272 usb_config[0].frames = 1; 273 usb_config[0].bufsize = f->bufsize; 274 if (ugen_transfer_setup(f, usb_config, 2)) { 275 return (EIO); 276 } 277 /* first transfer does not clear stall */ 278 f->flag_stall = 0; 279 break; 280 281 case UE_ISOCHRONOUS: 282 usb_config[0].flags.short_xfer_ok = 1; 283 usb_config[0].bufsize = 0; /* use default */ 284 usb_config[0].frames = f->nframes; 285 usb_config[0].callback = &ugen_isoc_write_callback; 286 usb_config[0].timeout = 0; 287 288 /* clone configuration */ 289 usb_config[1] = usb_config[0]; 290 291 if (ugen_transfer_setup(f, usb_config, 2)) { 292 return (EIO); 293 } 294 break; 295 default: 296 return (EINVAL); 297 } 298 return (0); 299 } 300 301 static int 302 ugen_open_pipe_read(struct usb_fifo *f) 303 { 304 struct usb_config usb_config[2]; 305 struct usb_endpoint *ep = usb_fifo_softc(f); 306 struct usb_endpoint_descriptor *ed = ep->edesc; 307 308 mtx_assert(f->priv_mtx, MA_OWNED); 309 310 if (f->xfer[0] || f->xfer[1]) { 311 /* transfers are already opened */ 312 return (0); 313 } 314 memset(usb_config, 0, sizeof(usb_config)); 315 316 usb_config[1].type = UE_CONTROL; 317 usb_config[1].endpoint = 0; 318 usb_config[1].direction = UE_DIR_ANY; 319 usb_config[1].timeout = 1000; /* 1 second */ 320 usb_config[1].interval = 50;/* 50 milliseconds */ 321 usb_config[1].bufsize = sizeof(struct usb_device_request); 322 usb_config[1].callback = &ugen_read_clear_stall_callback; 323 usb_config[1].usb_mode = USB_MODE_HOST; 324 325 usb_config[0].type = ed->bmAttributes & UE_XFERTYPE; 326 usb_config[0].endpoint = ed->bEndpointAddress & UE_ADDR; 327 usb_config[0].stream_id = 0; /* XXX support more stream ID's */ 328 usb_config[0].direction = UE_DIR_RX; 329 usb_config[0].interval = USB_DEFAULT_INTERVAL; 330 usb_config[0].flags.proxy_buffer = 1; 331 usb_config[0].usb_mode = USB_MODE_DUAL; /* both modes */ 332 333 switch (ed->bmAttributes & UE_XFERTYPE) { 334 case UE_INTERRUPT: 335 case UE_BULK: 336 if (f->flag_short) { 337 usb_config[0].flags.short_xfer_ok = 1; 338 } 339 usb_config[0].timeout = f->timeout; 340 usb_config[0].frames = 1; 341 usb_config[0].callback = &ugen_ctrl_read_callback; 342 usb_config[0].bufsize = f->bufsize; 343 344 if (ugen_transfer_setup(f, usb_config, 2)) { 345 return (EIO); 346 } 347 /* first transfer does not clear stall */ 348 f->flag_stall = 0; 349 break; 350 351 case UE_ISOCHRONOUS: 352 usb_config[0].flags.short_xfer_ok = 1; 353 usb_config[0].bufsize = 0; /* use default */ 354 usb_config[0].frames = f->nframes; 355 usb_config[0].callback = &ugen_isoc_read_callback; 356 usb_config[0].timeout = 0; 357 358 /* clone configuration */ 359 usb_config[1] = usb_config[0]; 360 361 if (ugen_transfer_setup(f, usb_config, 2)) { 362 return (EIO); 363 } 364 break; 365 366 default: 367 return (EINVAL); 368 } 369 return (0); 370 } 371 372 static void 373 ugen_start_read(struct usb_fifo *f) 374 { 375 /* check that pipes are open */ 376 if (ugen_open_pipe_read(f)) { 377 /* signal error */ 378 usb_fifo_put_data_error(f); 379 } 380 /* start transfers */ 381 usbd_transfer_start(f->xfer[0]); 382 usbd_transfer_start(f->xfer[1]); 383 } 384 385 static void 386 ugen_start_write(struct usb_fifo *f) 387 { 388 /* check that pipes are open */ 389 if (ugen_open_pipe_write(f)) { 390 /* signal error */ 391 usb_fifo_get_data_error(f); 392 } 393 /* start transfers */ 394 usbd_transfer_start(f->xfer[0]); 395 usbd_transfer_start(f->xfer[1]); 396 } 397 398 static void 399 ugen_stop_io(struct usb_fifo *f) 400 { 401 /* stop transfers */ 402 usbd_transfer_stop(f->xfer[0]); 403 usbd_transfer_stop(f->xfer[1]); 404 } 405 406 static void 407 ugen_ctrl_read_callback(struct usb_xfer *xfer, usb_error_t error) 408 { 409 struct usb_fifo *f = usbd_xfer_softc(xfer); 410 struct usb_mbuf *m; 411 412 DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes); 413 414 switch (USB_GET_STATE(xfer)) { 415 case USB_ST_TRANSFERRED: 416 if (xfer->actlen == 0) { 417 if (f->fifo_zlp != 4) { 418 f->fifo_zlp++; 419 } else { 420 /* 421 * Throttle a little bit we have multiple ZLPs 422 * in a row! 423 */ 424 xfer->interval = 64; /* ms */ 425 } 426 } else { 427 /* clear throttle */ 428 xfer->interval = 0; 429 f->fifo_zlp = 0; 430 } 431 usb_fifo_put_data(f, xfer->frbuffers, 0, 432 xfer->actlen, 1); 433 434 case USB_ST_SETUP: 435 if (f->flag_stall) { 436 usbd_transfer_start(f->xfer[1]); 437 break; 438 } 439 USB_IF_POLL(&f->free_q, m); 440 if (m) { 441 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 442 usbd_transfer_submit(xfer); 443 } 444 break; 445 446 default: /* Error */ 447 if (xfer->error != USB_ERR_CANCELLED) { 448 /* send a zero length packet to userland */ 449 usb_fifo_put_data(f, xfer->frbuffers, 0, 0, 1); 450 f->flag_stall = 1; 451 f->fifo_zlp = 0; 452 usbd_transfer_start(f->xfer[1]); 453 } 454 break; 455 } 456 } 457 458 static void 459 ugen_ctrl_write_callback(struct usb_xfer *xfer, usb_error_t error) 460 { 461 struct usb_fifo *f = usbd_xfer_softc(xfer); 462 usb_frlength_t actlen; 463 464 DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes); 465 466 switch (USB_GET_STATE(xfer)) { 467 case USB_ST_SETUP: 468 case USB_ST_TRANSFERRED: 469 /* 470 * If writing is in stall, just jump to clear stall 471 * callback and solve the situation. 472 */ 473 if (f->flag_stall) { 474 usbd_transfer_start(f->xfer[1]); 475 break; 476 } 477 /* 478 * Write data, setup and perform hardware transfer. 479 */ 480 if (usb_fifo_get_data(f, xfer->frbuffers, 0, 481 xfer->max_data_length, &actlen, 0)) { 482 usbd_xfer_set_frame_len(xfer, 0, actlen); 483 usbd_transfer_submit(xfer); 484 } 485 break; 486 487 default: /* Error */ 488 if (xfer->error != USB_ERR_CANCELLED) { 489 f->flag_stall = 1; 490 usbd_transfer_start(f->xfer[1]); 491 } 492 break; 493 } 494 } 495 496 static void 497 ugen_read_clear_stall_callback(struct usb_xfer *xfer, usb_error_t error) 498 { 499 struct usb_fifo *f = usbd_xfer_softc(xfer); 500 struct usb_xfer *xfer_other = f->xfer[0]; 501 502 if (f->flag_stall == 0) { 503 /* nothing to do */ 504 return; 505 } 506 if (usbd_clear_stall_callback(xfer, xfer_other)) { 507 DPRINTFN(5, "f=%p: stall cleared\n", f); 508 f->flag_stall = 0; 509 usbd_transfer_start(xfer_other); 510 } 511 } 512 513 static void 514 ugen_write_clear_stall_callback(struct usb_xfer *xfer, usb_error_t error) 515 { 516 struct usb_fifo *f = usbd_xfer_softc(xfer); 517 struct usb_xfer *xfer_other = f->xfer[0]; 518 519 if (f->flag_stall == 0) { 520 /* nothing to do */ 521 return; 522 } 523 if (usbd_clear_stall_callback(xfer, xfer_other)) { 524 DPRINTFN(5, "f=%p: stall cleared\n", f); 525 f->flag_stall = 0; 526 usbd_transfer_start(xfer_other); 527 } 528 } 529 530 static void 531 ugen_isoc_read_callback(struct usb_xfer *xfer, usb_error_t error) 532 { 533 struct usb_fifo *f = usbd_xfer_softc(xfer); 534 usb_frlength_t offset; 535 usb_frcount_t n; 536 537 DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes); 538 539 switch (USB_GET_STATE(xfer)) { 540 case USB_ST_TRANSFERRED: 541 542 DPRINTFN(6, "actlen=%d\n", xfer->actlen); 543 544 offset = 0; 545 546 for (n = 0; n != xfer->aframes; n++) { 547 usb_fifo_put_data(f, xfer->frbuffers, offset, 548 xfer->frlengths[n], 1); 549 offset += xfer->max_frame_size; 550 } 551 552 case USB_ST_SETUP: 553 tr_setup: 554 for (n = 0; n != xfer->nframes; n++) { 555 /* setup size for next transfer */ 556 usbd_xfer_set_frame_len(xfer, n, xfer->max_frame_size); 557 } 558 usbd_transfer_submit(xfer); 559 break; 560 561 default: /* Error */ 562 if (xfer->error == USB_ERR_CANCELLED) { 563 break; 564 } 565 goto tr_setup; 566 } 567 } 568 569 static void 570 ugen_isoc_write_callback(struct usb_xfer *xfer, usb_error_t error) 571 { 572 struct usb_fifo *f = usbd_xfer_softc(xfer); 573 usb_frlength_t actlen; 574 usb_frlength_t offset; 575 usb_frcount_t n; 576 577 DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes); 578 579 switch (USB_GET_STATE(xfer)) { 580 case USB_ST_TRANSFERRED: 581 case USB_ST_SETUP: 582 tr_setup: 583 offset = 0; 584 for (n = 0; n != xfer->nframes; n++) { 585 if (usb_fifo_get_data(f, xfer->frbuffers, offset, 586 xfer->max_frame_size, &actlen, 1)) { 587 usbd_xfer_set_frame_len(xfer, n, actlen); 588 offset += actlen; 589 } else { 590 break; 591 } 592 } 593 594 for (; n != xfer->nframes; n++) { 595 /* fill in zero frames */ 596 usbd_xfer_set_frame_len(xfer, n, 0); 597 } 598 usbd_transfer_submit(xfer); 599 break; 600 601 default: /* Error */ 602 if (xfer->error == USB_ERR_CANCELLED) { 603 break; 604 } 605 goto tr_setup; 606 } 607 } 608 609 static int 610 ugen_set_config(struct usb_fifo *f, uint8_t index) 611 { 612 DPRINTFN(2, "index %u\n", index); 613 614 if (f->udev->flags.usb_mode != USB_MODE_HOST) { 615 /* not possible in device side mode */ 616 return (ENOTTY); 617 } 618 619 /* make sure all FIFO's are gone */ 620 /* else there can be a deadlock */ 621 if (ugen_fs_uninit(f)) { 622 /* ignore any errors */ 623 DPRINTFN(6, "no FIFOs\n"); 624 } 625 626 if (usbd_start_set_config(f->udev, index) != 0) 627 return (EIO); 628 629 return (0); 630 } 631 632 static int 633 ugen_set_interface(struct usb_fifo *f, 634 uint8_t iface_index, uint8_t alt_index) 635 { 636 DPRINTFN(2, "%u, %u\n", iface_index, alt_index); 637 638 if (f->udev->flags.usb_mode != USB_MODE_HOST) { 639 /* not possible in device side mode */ 640 return (ENOTTY); 641 } 642 /* make sure all FIFO's are gone */ 643 /* else there can be a deadlock */ 644 if (ugen_fs_uninit(f)) { 645 /* ignore any errors */ 646 DPRINTFN(6, "no FIFOs\n"); 647 } 648 /* change setting - will free generic FIFOs, if any */ 649 if (usbd_set_alt_interface_index(f->udev, iface_index, alt_index)) { 650 return (EIO); 651 } 652 /* probe and attach */ 653 if (usb_probe_and_attach(f->udev, iface_index)) { 654 return (EIO); 655 } 656 return (0); 657 } 658 659 /*------------------------------------------------------------------------* 660 * ugen_get_cdesc 661 * 662 * This function will retrieve the complete configuration descriptor 663 * at the given index. 664 *------------------------------------------------------------------------*/ 665 static int 666 ugen_get_cdesc(struct usb_fifo *f, struct usb_gen_descriptor *ugd) 667 { 668 struct usb_config_descriptor *cdesc; 669 struct usb_device *udev = f->udev; 670 int error; 671 uint16_t len; 672 uint8_t free_data; 673 674 DPRINTFN(6, "\n"); 675 676 if (ugd->ugd_data == NULL) { 677 /* userland pointer should not be zero */ 678 return (EINVAL); 679 } 680 if ((ugd->ugd_config_index == USB_UNCONFIG_INDEX) || 681 (ugd->ugd_config_index == udev->curr_config_index)) { 682 cdesc = usbd_get_config_descriptor(udev); 683 if (cdesc == NULL) 684 return (ENXIO); 685 free_data = 0; 686 687 } else { 688 #if (USB_HAVE_FIXED_CONFIG == 0) 689 if (usbd_req_get_config_desc_full(udev, 690 NULL, &cdesc, ugd->ugd_config_index)) { 691 return (ENXIO); 692 } 693 free_data = 1; 694 #else 695 /* configuration descriptor data is shared */ 696 return (EINVAL); 697 #endif 698 } 699 700 len = UGETW(cdesc->wTotalLength); 701 if (len > ugd->ugd_maxlen) { 702 len = ugd->ugd_maxlen; 703 } 704 DPRINTFN(6, "len=%u\n", len); 705 706 ugd->ugd_actlen = len; 707 ugd->ugd_offset = 0; 708 709 error = copyout(cdesc, ugd->ugd_data, len); 710 711 if (free_data) 712 usbd_free_config_desc(udev, cdesc); 713 714 return (error); 715 } 716 717 /* 718 * This function is called having the enumeration SX locked which 719 * protects the scratch area used. 720 */ 721 static int 722 ugen_get_sdesc(struct usb_fifo *f, struct usb_gen_descriptor *ugd) 723 { 724 void *ptr; 725 uint16_t size; 726 int error; 727 728 ptr = f->udev->scratch.data; 729 size = sizeof(f->udev->scratch.data); 730 731 if (usbd_req_get_string_desc(f->udev, NULL, ptr, 732 size, ugd->ugd_lang_id, ugd->ugd_string_index)) { 733 error = EINVAL; 734 } else { 735 736 if (size > ((uint8_t *)ptr)[0]) { 737 size = ((uint8_t *)ptr)[0]; 738 } 739 if (size > ugd->ugd_maxlen) { 740 size = ugd->ugd_maxlen; 741 } 742 ugd->ugd_actlen = size; 743 ugd->ugd_offset = 0; 744 745 error = copyout(ptr, ugd->ugd_data, size); 746 } 747 return (error); 748 } 749 750 /*------------------------------------------------------------------------* 751 * ugen_get_iface_driver 752 * 753 * This function generates an USB interface description for userland. 754 * 755 * Returns: 756 * 0: Success 757 * Else: Failure 758 *------------------------------------------------------------------------*/ 759 static int 760 ugen_get_iface_driver(struct usb_fifo *f, struct usb_gen_descriptor *ugd) 761 { 762 struct usb_device *udev = f->udev; 763 struct usb_interface *iface; 764 const char *ptr; 765 const char *desc; 766 unsigned int len; 767 unsigned int maxlen; 768 char buf[128]; 769 int error; 770 771 DPRINTFN(6, "\n"); 772 773 if ((ugd->ugd_data == NULL) || (ugd->ugd_maxlen == 0)) { 774 /* userland pointer should not be zero */ 775 return (EINVAL); 776 } 777 778 iface = usbd_get_iface(udev, ugd->ugd_iface_index); 779 if ((iface == NULL) || (iface->idesc == NULL)) { 780 /* invalid interface index */ 781 return (EINVAL); 782 } 783 784 /* read out device nameunit string, if any */ 785 if ((iface->subdev != NULL) && 786 device_is_attached(iface->subdev) && 787 (ptr = device_get_nameunit(iface->subdev)) && 788 (desc = device_get_desc(iface->subdev))) { 789 790 /* print description */ 791 snprintf(buf, sizeof(buf), "%s: <%s>", ptr, desc); 792 793 /* range checks */ 794 maxlen = ugd->ugd_maxlen - 1; 795 len = strlen(buf); 796 if (len > maxlen) 797 len = maxlen; 798 799 /* update actual length, including terminating zero */ 800 ugd->ugd_actlen = len + 1; 801 802 /* copy out interface description */ 803 error = copyout(buf, ugd->ugd_data, ugd->ugd_actlen); 804 } else { 805 /* zero length string is default */ 806 error = copyout("", ugd->ugd_data, 1); 807 } 808 return (error); 809 } 810 811 /*------------------------------------------------------------------------* 812 * usb_gen_fill_deviceinfo 813 * 814 * This function dumps information about an USB device to the 815 * structure pointed to by the "di" argument. 816 * 817 * Returns: 818 * 0: Success 819 * Else: Failure 820 *------------------------------------------------------------------------*/ 821 static int 822 usb_gen_fill_deviceinfo(struct usb_fifo *f, struct usb_device_info *di) 823 { 824 struct usb_device *udev; 825 struct usb_device *hub; 826 827 udev = f->udev; 828 829 bzero(di, sizeof(di[0])); 830 831 di->udi_bus = device_get_unit(udev->bus->bdev); 832 di->udi_addr = udev->address; 833 di->udi_index = udev->device_index; 834 strlcpy(di->udi_serial, usb_get_serial(udev), sizeof(di->udi_serial)); 835 strlcpy(di->udi_vendor, usb_get_manufacturer(udev), sizeof(di->udi_vendor)); 836 strlcpy(di->udi_product, usb_get_product(udev), sizeof(di->udi_product)); 837 usb_printbcd(di->udi_release, sizeof(di->udi_release), 838 UGETW(udev->ddesc.bcdDevice)); 839 di->udi_vendorNo = UGETW(udev->ddesc.idVendor); 840 di->udi_productNo = UGETW(udev->ddesc.idProduct); 841 di->udi_releaseNo = UGETW(udev->ddesc.bcdDevice); 842 di->udi_class = udev->ddesc.bDeviceClass; 843 di->udi_subclass = udev->ddesc.bDeviceSubClass; 844 di->udi_protocol = udev->ddesc.bDeviceProtocol; 845 di->udi_config_no = udev->curr_config_no; 846 di->udi_config_index = udev->curr_config_index; 847 di->udi_power = udev->flags.self_powered ? 0 : udev->power; 848 di->udi_speed = udev->speed; 849 di->udi_mode = udev->flags.usb_mode; 850 di->udi_power_mode = udev->power_mode; 851 di->udi_suspended = udev->flags.peer_suspended; 852 853 hub = udev->parent_hub; 854 if (hub) { 855 di->udi_hubaddr = hub->address; 856 di->udi_hubindex = hub->device_index; 857 di->udi_hubport = udev->port_no; 858 } 859 return (0); 860 } 861 862 /*------------------------------------------------------------------------* 863 * ugen_check_request 864 * 865 * Return values: 866 * 0: Access allowed 867 * Else: No access 868 *------------------------------------------------------------------------*/ 869 static int 870 ugen_check_request(struct usb_device *udev, struct usb_device_request *req) 871 { 872 struct usb_endpoint *ep; 873 int error; 874 875 /* 876 * Avoid requests that would damage the bus integrity: 877 */ 878 if (((req->bmRequestType == UT_WRITE_DEVICE) && 879 (req->bRequest == UR_SET_ADDRESS)) || 880 ((req->bmRequestType == UT_WRITE_DEVICE) && 881 (req->bRequest == UR_SET_CONFIG)) || 882 ((req->bmRequestType == UT_WRITE_INTERFACE) && 883 (req->bRequest == UR_SET_INTERFACE))) { 884 /* 885 * These requests can be useful for testing USB drivers. 886 */ 887 error = priv_check(curthread, PRIV_DRIVER); 888 if (error) { 889 return (error); 890 } 891 } 892 /* 893 * Special case - handle clearing of stall 894 */ 895 if (req->bmRequestType == UT_WRITE_ENDPOINT) { 896 897 ep = usbd_get_ep_by_addr(udev, req->wIndex[0]); 898 if (ep == NULL) { 899 return (EINVAL); 900 } 901 if ((req->bRequest == UR_CLEAR_FEATURE) && 902 (UGETW(req->wValue) == UF_ENDPOINT_HALT)) { 903 usbd_clear_data_toggle(udev, ep); 904 } 905 } 906 /* TODO: add more checks to verify the interface index */ 907 908 return (0); 909 } 910 911 int 912 ugen_do_request(struct usb_fifo *f, struct usb_ctl_request *ur) 913 { 914 int error; 915 uint16_t len; 916 uint16_t actlen; 917 918 if (ugen_check_request(f->udev, &ur->ucr_request)) { 919 return (EPERM); 920 } 921 len = UGETW(ur->ucr_request.wLength); 922 923 /* check if "ucr_data" is valid */ 924 if (len != 0) { 925 if (ur->ucr_data == NULL) { 926 return (EFAULT); 927 } 928 } 929 /* do the USB request */ 930 error = usbd_do_request_flags 931 (f->udev, NULL, &ur->ucr_request, ur->ucr_data, 932 (ur->ucr_flags & USB_SHORT_XFER_OK) | 933 USB_USER_DATA_PTR, &actlen, 934 USB_DEFAULT_TIMEOUT); 935 936 ur->ucr_actlen = actlen; 937 938 if (error) { 939 error = EIO; 940 } 941 return (error); 942 } 943 944 /*------------------------------------------------------------------------ 945 * ugen_re_enumerate 946 *------------------------------------------------------------------------*/ 947 static int 948 ugen_re_enumerate(struct usb_fifo *f) 949 { 950 struct usb_device *udev = f->udev; 951 int error; 952 953 /* 954 * This request can be useful for testing USB drivers: 955 */ 956 error = priv_check(curthread, PRIV_DRIVER); 957 if (error) { 958 return (error); 959 } 960 if (udev->flags.usb_mode != USB_MODE_HOST) { 961 /* not possible in device side mode */ 962 DPRINTFN(6, "device mode\n"); 963 return (ENOTTY); 964 } 965 /* make sure all FIFO's are gone */ 966 /* else there can be a deadlock */ 967 if (ugen_fs_uninit(f)) { 968 /* ignore any errors */ 969 DPRINTFN(6, "no FIFOs\n"); 970 } 971 /* start re-enumeration of device */ 972 usbd_start_re_enumerate(udev); 973 return (0); 974 } 975 976 int 977 ugen_fs_uninit(struct usb_fifo *f) 978 { 979 if (f->fs_xfer == NULL) { 980 return (EINVAL); 981 } 982 usbd_transfer_unsetup(f->fs_xfer, f->fs_ep_max); 983 free(f->fs_xfer, M_USB); 984 f->fs_xfer = NULL; 985 f->fs_ep_max = 0; 986 f->fs_ep_ptr = NULL; 987 f->flag_iscomplete = 0; 988 usb_fifo_free_buffer(f); 989 return (0); 990 } 991 992 static uint8_t 993 ugen_fs_get_complete(struct usb_fifo *f, uint8_t *pindex) 994 { 995 struct usb_mbuf *m; 996 997 USB_IF_DEQUEUE(&f->used_q, m); 998 999 if (m) { 1000 *pindex = *((uint8_t *)(m->cur_data_ptr)); 1001 1002 USB_IF_ENQUEUE(&f->free_q, m); 1003 1004 return (0); /* success */ 1005 } else { 1006 1007 *pindex = 0; /* fix compiler warning */ 1008 1009 f->flag_iscomplete = 0; 1010 } 1011 return (1); /* failure */ 1012 } 1013 1014 static void 1015 ugen_fs_set_complete(struct usb_fifo *f, uint8_t index) 1016 { 1017 struct usb_mbuf *m; 1018 1019 USB_IF_DEQUEUE(&f->free_q, m); 1020 1021 if (m == NULL) { 1022 /* can happen during close */ 1023 DPRINTF("out of buffers\n"); 1024 return; 1025 } 1026 USB_MBUF_RESET(m); 1027 1028 *((uint8_t *)(m->cur_data_ptr)) = index; 1029 1030 USB_IF_ENQUEUE(&f->used_q, m); 1031 1032 f->flag_iscomplete = 1; 1033 1034 usb_fifo_wakeup(f); 1035 } 1036 1037 static int 1038 ugen_fs_copy_in(struct usb_fifo *f, uint8_t ep_index) 1039 { 1040 struct usb_device_request *req; 1041 struct usb_xfer *xfer; 1042 struct usb_fs_endpoint fs_ep; 1043 void *uaddr; /* userland pointer */ 1044 void *kaddr; 1045 usb_frlength_t offset; 1046 usb_frlength_t rem; 1047 usb_frcount_t n; 1048 uint32_t length; 1049 int error; 1050 uint8_t isread; 1051 1052 if (ep_index >= f->fs_ep_max) { 1053 return (EINVAL); 1054 } 1055 xfer = f->fs_xfer[ep_index]; 1056 if (xfer == NULL) { 1057 return (EINVAL); 1058 } 1059 mtx_lock(f->priv_mtx); 1060 if (usbd_transfer_pending(xfer)) { 1061 mtx_unlock(f->priv_mtx); 1062 return (EBUSY); /* should not happen */ 1063 } 1064 mtx_unlock(f->priv_mtx); 1065 1066 error = copyin(f->fs_ep_ptr + 1067 ep_index, &fs_ep, sizeof(fs_ep)); 1068 if (error) { 1069 return (error); 1070 } 1071 /* security checks */ 1072 1073 if (fs_ep.nFrames > xfer->max_frame_count) { 1074 xfer->error = USB_ERR_INVAL; 1075 goto complete; 1076 } 1077 if (fs_ep.nFrames == 0) { 1078 xfer->error = USB_ERR_INVAL; 1079 goto complete; 1080 } 1081 error = copyin(fs_ep.ppBuffer, 1082 &uaddr, sizeof(uaddr)); 1083 if (error) { 1084 return (error); 1085 } 1086 /* reset first frame */ 1087 usbd_xfer_set_frame_offset(xfer, 0, 0); 1088 1089 if (xfer->flags_int.control_xfr) { 1090 1091 req = xfer->frbuffers[0].buffer; 1092 1093 error = copyin(fs_ep.pLength, 1094 &length, sizeof(length)); 1095 if (error) { 1096 return (error); 1097 } 1098 if (length != sizeof(*req)) { 1099 xfer->error = USB_ERR_INVAL; 1100 goto complete; 1101 } 1102 if (length != 0) { 1103 error = copyin(uaddr, req, length); 1104 if (error) { 1105 return (error); 1106 } 1107 } 1108 if (ugen_check_request(f->udev, req)) { 1109 xfer->error = USB_ERR_INVAL; 1110 goto complete; 1111 } 1112 usbd_xfer_set_frame_len(xfer, 0, length); 1113 1114 /* Host mode only ! */ 1115 if ((req->bmRequestType & 1116 (UT_READ | UT_WRITE)) == UT_READ) { 1117 isread = 1; 1118 } else { 1119 isread = 0; 1120 } 1121 n = 1; 1122 offset = sizeof(*req); 1123 1124 } else { 1125 /* Device and Host mode */ 1126 if (USB_GET_DATA_ISREAD(xfer)) { 1127 isread = 1; 1128 } else { 1129 isread = 0; 1130 } 1131 n = 0; 1132 offset = 0; 1133 } 1134 1135 rem = usbd_xfer_max_len(xfer); 1136 xfer->nframes = fs_ep.nFrames; 1137 xfer->timeout = fs_ep.timeout; 1138 if (xfer->timeout > 65535) { 1139 xfer->timeout = 65535; 1140 } 1141 if (fs_ep.flags & USB_FS_FLAG_SINGLE_SHORT_OK) 1142 xfer->flags.short_xfer_ok = 1; 1143 else 1144 xfer->flags.short_xfer_ok = 0; 1145 1146 if (fs_ep.flags & USB_FS_FLAG_MULTI_SHORT_OK) 1147 xfer->flags.short_frames_ok = 1; 1148 else 1149 xfer->flags.short_frames_ok = 0; 1150 1151 if (fs_ep.flags & USB_FS_FLAG_FORCE_SHORT) 1152 xfer->flags.force_short_xfer = 1; 1153 else 1154 xfer->flags.force_short_xfer = 0; 1155 1156 if (fs_ep.flags & USB_FS_FLAG_CLEAR_STALL) 1157 usbd_xfer_set_stall(xfer); 1158 else 1159 xfer->flags.stall_pipe = 0; 1160 1161 for (; n != xfer->nframes; n++) { 1162 1163 error = copyin(fs_ep.pLength + n, 1164 &length, sizeof(length)); 1165 if (error) { 1166 break; 1167 } 1168 usbd_xfer_set_frame_len(xfer, n, length); 1169 1170 if (length > rem) { 1171 xfer->error = USB_ERR_INVAL; 1172 goto complete; 1173 } 1174 rem -= length; 1175 1176 if (!isread) { 1177 1178 /* we need to know the source buffer */ 1179 error = copyin(fs_ep.ppBuffer + n, 1180 &uaddr, sizeof(uaddr)); 1181 if (error) { 1182 break; 1183 } 1184 if (xfer->flags_int.isochronous_xfr) { 1185 /* get kernel buffer address */ 1186 kaddr = xfer->frbuffers[0].buffer; 1187 kaddr = USB_ADD_BYTES(kaddr, offset); 1188 } else { 1189 /* set current frame offset */ 1190 usbd_xfer_set_frame_offset(xfer, offset, n); 1191 1192 /* get kernel buffer address */ 1193 kaddr = xfer->frbuffers[n].buffer; 1194 } 1195 1196 /* move data */ 1197 error = copyin(uaddr, kaddr, length); 1198 if (error) { 1199 break; 1200 } 1201 } 1202 offset += length; 1203 } 1204 return (error); 1205 1206 complete: 1207 mtx_lock(f->priv_mtx); 1208 ugen_fs_set_complete(f, ep_index); 1209 mtx_unlock(f->priv_mtx); 1210 return (0); 1211 } 1212 1213 static int 1214 ugen_fs_copy_out(struct usb_fifo *f, uint8_t ep_index) 1215 { 1216 struct usb_device_request *req; 1217 struct usb_xfer *xfer; 1218 struct usb_fs_endpoint fs_ep; 1219 struct usb_fs_endpoint *fs_ep_uptr; /* userland ptr */ 1220 void *uaddr; /* userland ptr */ 1221 void *kaddr; 1222 usb_frlength_t offset; 1223 usb_frlength_t rem; 1224 usb_frcount_t n; 1225 uint32_t length; 1226 uint32_t temp; 1227 int error; 1228 uint8_t isread; 1229 1230 if (ep_index >= f->fs_ep_max) 1231 return (EINVAL); 1232 1233 xfer = f->fs_xfer[ep_index]; 1234 if (xfer == NULL) 1235 return (EINVAL); 1236 1237 mtx_lock(f->priv_mtx); 1238 if (usbd_transfer_pending(xfer)) { 1239 mtx_unlock(f->priv_mtx); 1240 return (EBUSY); /* should not happen */ 1241 } 1242 mtx_unlock(f->priv_mtx); 1243 1244 fs_ep_uptr = f->fs_ep_ptr + ep_index; 1245 error = copyin(fs_ep_uptr, &fs_ep, sizeof(fs_ep)); 1246 if (error) { 1247 return (error); 1248 } 1249 fs_ep.status = xfer->error; 1250 fs_ep.aFrames = xfer->aframes; 1251 fs_ep.isoc_time_complete = xfer->isoc_time_complete; 1252 if (xfer->error) { 1253 goto complete; 1254 } 1255 if (xfer->flags_int.control_xfr) { 1256 req = xfer->frbuffers[0].buffer; 1257 1258 /* Host mode only ! */ 1259 if ((req->bmRequestType & (UT_READ | UT_WRITE)) == UT_READ) { 1260 isread = 1; 1261 } else { 1262 isread = 0; 1263 } 1264 if (xfer->nframes == 0) 1265 n = 0; /* should never happen */ 1266 else 1267 n = 1; 1268 } else { 1269 /* Device and Host mode */ 1270 if (USB_GET_DATA_ISREAD(xfer)) { 1271 isread = 1; 1272 } else { 1273 isread = 0; 1274 } 1275 n = 0; 1276 } 1277 1278 /* Update lengths and copy out data */ 1279 1280 rem = usbd_xfer_max_len(xfer); 1281 offset = 0; 1282 1283 for (; n != xfer->nframes; n++) { 1284 1285 /* get initial length into "temp" */ 1286 error = copyin(fs_ep.pLength + n, 1287 &temp, sizeof(temp)); 1288 if (error) { 1289 return (error); 1290 } 1291 if (temp > rem) { 1292 /* the userland length has been corrupted */ 1293 DPRINTF("corrupt userland length " 1294 "%u > %u\n", temp, rem); 1295 fs_ep.status = USB_ERR_INVAL; 1296 goto complete; 1297 } 1298 rem -= temp; 1299 1300 /* get actual transfer length */ 1301 length = xfer->frlengths[n]; 1302 if (length > temp) { 1303 /* data overflow */ 1304 fs_ep.status = USB_ERR_INVAL; 1305 DPRINTF("data overflow %u > %u\n", 1306 length, temp); 1307 goto complete; 1308 } 1309 if (isread) { 1310 1311 /* we need to know the destination buffer */ 1312 error = copyin(fs_ep.ppBuffer + n, 1313 &uaddr, sizeof(uaddr)); 1314 if (error) { 1315 return (error); 1316 } 1317 if (xfer->flags_int.isochronous_xfr) { 1318 /* only one frame buffer */ 1319 kaddr = USB_ADD_BYTES( 1320 xfer->frbuffers[0].buffer, offset); 1321 } else { 1322 /* multiple frame buffers */ 1323 kaddr = xfer->frbuffers[n].buffer; 1324 } 1325 1326 /* move data */ 1327 error = copyout(kaddr, uaddr, length); 1328 if (error) { 1329 return (error); 1330 } 1331 } 1332 /* 1333 * Update offset according to initial length, which is 1334 * needed by isochronous transfers! 1335 */ 1336 offset += temp; 1337 1338 /* update length */ 1339 error = copyout(&length, 1340 fs_ep.pLength + n, sizeof(length)); 1341 if (error) { 1342 return (error); 1343 } 1344 } 1345 1346 complete: 1347 /* update "aFrames" */ 1348 error = copyout(&fs_ep.aFrames, &fs_ep_uptr->aFrames, 1349 sizeof(fs_ep.aFrames)); 1350 if (error) 1351 goto done; 1352 1353 /* update "isoc_time_complete" */ 1354 error = copyout(&fs_ep.isoc_time_complete, 1355 &fs_ep_uptr->isoc_time_complete, 1356 sizeof(fs_ep.isoc_time_complete)); 1357 if (error) 1358 goto done; 1359 /* update "status" */ 1360 error = copyout(&fs_ep.status, &fs_ep_uptr->status, 1361 sizeof(fs_ep.status)); 1362 done: 1363 return (error); 1364 } 1365 1366 static uint8_t 1367 ugen_fifo_in_use(struct usb_fifo *f, int fflags) 1368 { 1369 struct usb_fifo *f_rx; 1370 struct usb_fifo *f_tx; 1371 1372 f_rx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_RX]; 1373 f_tx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_TX]; 1374 1375 if ((fflags & FREAD) && f_rx && 1376 (f_rx->xfer[0] || f_rx->xfer[1])) { 1377 return (1); /* RX FIFO in use */ 1378 } 1379 if ((fflags & FWRITE) && f_tx && 1380 (f_tx->xfer[0] || f_tx->xfer[1])) { 1381 return (1); /* TX FIFO in use */ 1382 } 1383 return (0); /* not in use */ 1384 } 1385 1386 static int 1387 ugen_ioctl(struct usb_fifo *f, u_long cmd, void *addr, int fflags) 1388 { 1389 struct usb_config usb_config[1]; 1390 struct usb_device_request req; 1391 union { 1392 struct usb_fs_complete *pcomp; 1393 struct usb_fs_start *pstart; 1394 struct usb_fs_stop *pstop; 1395 struct usb_fs_open *popen; 1396 struct usb_fs_open_stream *popen_stream; 1397 struct usb_fs_close *pclose; 1398 struct usb_fs_clear_stall_sync *pstall; 1399 void *addr; 1400 } u; 1401 struct usb_endpoint *ep; 1402 struct usb_endpoint_descriptor *ed; 1403 struct usb_xfer *xfer; 1404 int error = 0; 1405 uint8_t iface_index; 1406 uint8_t isread; 1407 uint8_t ep_index; 1408 uint8_t pre_scale; 1409 1410 u.addr = addr; 1411 1412 DPRINTFN(6, "cmd=0x%08lx\n", cmd); 1413 1414 switch (cmd) { 1415 case USB_FS_COMPLETE: 1416 mtx_lock(f->priv_mtx); 1417 error = ugen_fs_get_complete(f, &ep_index); 1418 mtx_unlock(f->priv_mtx); 1419 1420 if (error) { 1421 error = EBUSY; 1422 break; 1423 } 1424 u.pcomp->ep_index = ep_index; 1425 error = ugen_fs_copy_out(f, u.pcomp->ep_index); 1426 break; 1427 1428 case USB_FS_START: 1429 error = ugen_fs_copy_in(f, u.pstart->ep_index); 1430 if (error) 1431 break; 1432 mtx_lock(f->priv_mtx); 1433 xfer = f->fs_xfer[u.pstart->ep_index]; 1434 usbd_transfer_start(xfer); 1435 mtx_unlock(f->priv_mtx); 1436 break; 1437 1438 case USB_FS_STOP: 1439 if (u.pstop->ep_index >= f->fs_ep_max) { 1440 error = EINVAL; 1441 break; 1442 } 1443 mtx_lock(f->priv_mtx); 1444 xfer = f->fs_xfer[u.pstart->ep_index]; 1445 if (usbd_transfer_pending(xfer)) { 1446 usbd_transfer_stop(xfer); 1447 /* 1448 * Check if the USB transfer was stopped 1449 * before it was even started. Else a cancel 1450 * callback will be pending. 1451 */ 1452 if (!xfer->flags_int.transferring) { 1453 ugen_fs_set_complete(xfer->priv_sc, 1454 USB_P2U(xfer->priv_fifo)); 1455 } 1456 } 1457 mtx_unlock(f->priv_mtx); 1458 break; 1459 1460 case USB_FS_OPEN: 1461 case USB_FS_OPEN_STREAM: 1462 if (u.popen->ep_index >= f->fs_ep_max) { 1463 error = EINVAL; 1464 break; 1465 } 1466 if (f->fs_xfer[u.popen->ep_index] != NULL) { 1467 error = EBUSY; 1468 break; 1469 } 1470 if (u.popen->max_bufsize > USB_FS_MAX_BUFSIZE) { 1471 u.popen->max_bufsize = USB_FS_MAX_BUFSIZE; 1472 } 1473 if (u.popen->max_frames & USB_FS_MAX_FRAMES_PRE_SCALE) { 1474 pre_scale = 1; 1475 u.popen->max_frames &= ~USB_FS_MAX_FRAMES_PRE_SCALE; 1476 } else { 1477 pre_scale = 0; 1478 } 1479 if (u.popen->max_frames > USB_FS_MAX_FRAMES) { 1480 u.popen->max_frames = USB_FS_MAX_FRAMES; 1481 break; 1482 } 1483 if (u.popen->max_frames == 0) { 1484 error = EINVAL; 1485 break; 1486 } 1487 ep = usbd_get_ep_by_addr(f->udev, u.popen->ep_no); 1488 if (ep == NULL) { 1489 error = EINVAL; 1490 break; 1491 } 1492 ed = ep->edesc; 1493 if (ed == NULL) { 1494 error = ENXIO; 1495 break; 1496 } 1497 iface_index = ep->iface_index; 1498 1499 memset(usb_config, 0, sizeof(usb_config)); 1500 1501 usb_config[0].type = ed->bmAttributes & UE_XFERTYPE; 1502 usb_config[0].endpoint = ed->bEndpointAddress & UE_ADDR; 1503 usb_config[0].direction = ed->bEndpointAddress & (UE_DIR_OUT | UE_DIR_IN); 1504 usb_config[0].interval = USB_DEFAULT_INTERVAL; 1505 usb_config[0].flags.proxy_buffer = 1; 1506 if (pre_scale != 0) 1507 usb_config[0].flags.pre_scale_frames = 1; 1508 usb_config[0].callback = &ugen_ctrl_fs_callback; 1509 usb_config[0].timeout = 0; /* no timeout */ 1510 usb_config[0].frames = u.popen->max_frames; 1511 usb_config[0].bufsize = u.popen->max_bufsize; 1512 usb_config[0].usb_mode = USB_MODE_DUAL; /* both modes */ 1513 if (cmd == USB_FS_OPEN_STREAM) 1514 usb_config[0].stream_id = u.popen_stream->stream_id; 1515 1516 if (usb_config[0].type == UE_CONTROL) { 1517 if (f->udev->flags.usb_mode != USB_MODE_HOST) { 1518 error = EINVAL; 1519 break; 1520 } 1521 } else { 1522 1523 isread = ((usb_config[0].endpoint & 1524 (UE_DIR_IN | UE_DIR_OUT)) == UE_DIR_IN); 1525 1526 if (f->udev->flags.usb_mode != USB_MODE_HOST) { 1527 isread = !isread; 1528 } 1529 /* check permissions */ 1530 if (isread) { 1531 if (!(fflags & FREAD)) { 1532 error = EPERM; 1533 break; 1534 } 1535 } else { 1536 if (!(fflags & FWRITE)) { 1537 error = EPERM; 1538 break; 1539 } 1540 } 1541 } 1542 error = usbd_transfer_setup(f->udev, &iface_index, 1543 f->fs_xfer + u.popen->ep_index, usb_config, 1, 1544 f, f->priv_mtx); 1545 if (error == 0) { 1546 /* update maximums */ 1547 u.popen->max_packet_length = 1548 f->fs_xfer[u.popen->ep_index]->max_frame_size; 1549 u.popen->max_bufsize = 1550 f->fs_xfer[u.popen->ep_index]->max_data_length; 1551 /* update number of frames */ 1552 u.popen->max_frames = 1553 f->fs_xfer[u.popen->ep_index]->nframes; 1554 /* store index of endpoint */ 1555 f->fs_xfer[u.popen->ep_index]->priv_fifo = 1556 ((uint8_t *)0) + u.popen->ep_index; 1557 } else { 1558 error = ENOMEM; 1559 } 1560 break; 1561 1562 case USB_FS_CLOSE: 1563 if (u.pclose->ep_index >= f->fs_ep_max) { 1564 error = EINVAL; 1565 break; 1566 } 1567 if (f->fs_xfer[u.pclose->ep_index] == NULL) { 1568 error = EINVAL; 1569 break; 1570 } 1571 usbd_transfer_unsetup(f->fs_xfer + u.pclose->ep_index, 1); 1572 break; 1573 1574 case USB_FS_CLEAR_STALL_SYNC: 1575 if (u.pstall->ep_index >= f->fs_ep_max) { 1576 error = EINVAL; 1577 break; 1578 } 1579 if (f->fs_xfer[u.pstall->ep_index] == NULL) { 1580 error = EINVAL; 1581 break; 1582 } 1583 if (f->udev->flags.usb_mode != USB_MODE_HOST) { 1584 error = EINVAL; 1585 break; 1586 } 1587 mtx_lock(f->priv_mtx); 1588 error = usbd_transfer_pending(f->fs_xfer[u.pstall->ep_index]); 1589 mtx_unlock(f->priv_mtx); 1590 1591 if (error) { 1592 return (EBUSY); 1593 } 1594 ep = f->fs_xfer[u.pstall->ep_index]->endpoint; 1595 1596 /* setup a clear-stall packet */ 1597 req.bmRequestType = UT_WRITE_ENDPOINT; 1598 req.bRequest = UR_CLEAR_FEATURE; 1599 USETW(req.wValue, UF_ENDPOINT_HALT); 1600 req.wIndex[0] = ep->edesc->bEndpointAddress; 1601 req.wIndex[1] = 0; 1602 USETW(req.wLength, 0); 1603 1604 error = usbd_do_request(f->udev, NULL, &req, NULL); 1605 if (error == 0) { 1606 usbd_clear_data_toggle(f->udev, ep); 1607 } else { 1608 error = ENXIO; 1609 } 1610 break; 1611 1612 default: 1613 error = ENOIOCTL; 1614 break; 1615 } 1616 1617 DPRINTFN(6, "error=%d\n", error); 1618 1619 return (error); 1620 } 1621 1622 static int 1623 ugen_set_short_xfer(struct usb_fifo *f, void *addr) 1624 { 1625 uint8_t t; 1626 1627 if (*(int *)addr) 1628 t = 1; 1629 else 1630 t = 0; 1631 1632 if (f->flag_short == t) { 1633 /* same value like before - accept */ 1634 return (0); 1635 } 1636 if (f->xfer[0] || f->xfer[1]) { 1637 /* cannot change this during transfer */ 1638 return (EBUSY); 1639 } 1640 f->flag_short = t; 1641 return (0); 1642 } 1643 1644 static int 1645 ugen_set_timeout(struct usb_fifo *f, void *addr) 1646 { 1647 f->timeout = *(int *)addr; 1648 if (f->timeout > 65535) { 1649 /* limit user input */ 1650 f->timeout = 65535; 1651 } 1652 return (0); 1653 } 1654 1655 static int 1656 ugen_get_frame_size(struct usb_fifo *f, void *addr) 1657 { 1658 if (f->xfer[0]) { 1659 *(int *)addr = f->xfer[0]->max_frame_size; 1660 } else { 1661 return (EINVAL); 1662 } 1663 return (0); 1664 } 1665 1666 static int 1667 ugen_set_buffer_size(struct usb_fifo *f, void *addr) 1668 { 1669 usb_frlength_t t; 1670 1671 if (*(int *)addr < 0) 1672 t = 0; /* use "wMaxPacketSize" */ 1673 else if (*(int *)addr < (256 * 1024)) 1674 t = *(int *)addr; 1675 else 1676 t = 256 * 1024; 1677 1678 if (f->bufsize == t) { 1679 /* same value like before - accept */ 1680 return (0); 1681 } 1682 if (f->xfer[0] || f->xfer[1]) { 1683 /* cannot change this during transfer */ 1684 return (EBUSY); 1685 } 1686 f->bufsize = t; 1687 return (0); 1688 } 1689 1690 static int 1691 ugen_get_buffer_size(struct usb_fifo *f, void *addr) 1692 { 1693 *(int *)addr = f->bufsize; 1694 return (0); 1695 } 1696 1697 static int 1698 ugen_get_iface_desc(struct usb_fifo *f, 1699 struct usb_interface_descriptor *idesc) 1700 { 1701 struct usb_interface *iface; 1702 1703 iface = usbd_get_iface(f->udev, f->iface_index); 1704 if (iface && iface->idesc) { 1705 *idesc = *(iface->idesc); 1706 } else { 1707 return (EIO); 1708 } 1709 return (0); 1710 } 1711 1712 static int 1713 ugen_get_endpoint_desc(struct usb_fifo *f, 1714 struct usb_endpoint_descriptor *ed) 1715 { 1716 struct usb_endpoint *ep; 1717 1718 ep = usb_fifo_softc(f); 1719 1720 if (ep && ep->edesc) { 1721 *ed = *ep->edesc; 1722 } else { 1723 return (EINVAL); 1724 } 1725 return (0); 1726 } 1727 1728 static int 1729 ugen_set_power_mode(struct usb_fifo *f, int mode) 1730 { 1731 struct usb_device *udev = f->udev; 1732 int err; 1733 uint8_t old_mode; 1734 1735 if ((udev == NULL) || 1736 (udev->parent_hub == NULL)) { 1737 return (EINVAL); 1738 } 1739 err = priv_check(curthread, PRIV_DRIVER); 1740 if (err) 1741 return (err); 1742 1743 /* get old power mode */ 1744 old_mode = udev->power_mode; 1745 1746 /* if no change, then just return */ 1747 if (old_mode == mode) 1748 return (0); 1749 1750 switch (mode) { 1751 case USB_POWER_MODE_OFF: 1752 if (udev->flags.usb_mode == USB_MODE_HOST && 1753 udev->re_enumerate_wait == USB_RE_ENUM_DONE) { 1754 udev->re_enumerate_wait = USB_RE_ENUM_PWR_OFF; 1755 } 1756 /* set power mode will wake up the explore thread */ 1757 break; 1758 1759 case USB_POWER_MODE_ON: 1760 case USB_POWER_MODE_SAVE: 1761 break; 1762 1763 case USB_POWER_MODE_RESUME: 1764 #if USB_HAVE_POWERD 1765 /* let USB-powerd handle resume */ 1766 USB_BUS_LOCK(udev->bus); 1767 udev->pwr_save.write_refs++; 1768 udev->pwr_save.last_xfer_time = ticks; 1769 USB_BUS_UNLOCK(udev->bus); 1770 1771 /* set new power mode */ 1772 usbd_set_power_mode(udev, USB_POWER_MODE_SAVE); 1773 1774 /* wait for resume to complete */ 1775 usb_pause_mtx(NULL, hz / 4); 1776 1777 /* clear write reference */ 1778 USB_BUS_LOCK(udev->bus); 1779 udev->pwr_save.write_refs--; 1780 USB_BUS_UNLOCK(udev->bus); 1781 #endif 1782 mode = USB_POWER_MODE_SAVE; 1783 break; 1784 1785 case USB_POWER_MODE_SUSPEND: 1786 #if USB_HAVE_POWERD 1787 /* let USB-powerd handle suspend */ 1788 USB_BUS_LOCK(udev->bus); 1789 udev->pwr_save.last_xfer_time = ticks - (256 * hz); 1790 USB_BUS_UNLOCK(udev->bus); 1791 #endif 1792 mode = USB_POWER_MODE_SAVE; 1793 break; 1794 1795 default: 1796 return (EINVAL); 1797 } 1798 1799 if (err) 1800 return (ENXIO); /* I/O failure */ 1801 1802 /* if we are powered off we need to re-enumerate first */ 1803 if (old_mode == USB_POWER_MODE_OFF) { 1804 if (udev->flags.usb_mode == USB_MODE_HOST && 1805 udev->re_enumerate_wait == USB_RE_ENUM_DONE) { 1806 udev->re_enumerate_wait = USB_RE_ENUM_START; 1807 } 1808 /* set power mode will wake up the explore thread */ 1809 } 1810 1811 /* set new power mode */ 1812 usbd_set_power_mode(udev, mode); 1813 1814 return (0); /* success */ 1815 } 1816 1817 static int 1818 ugen_get_power_mode(struct usb_fifo *f) 1819 { 1820 struct usb_device *udev = f->udev; 1821 1822 if (udev == NULL) 1823 return (USB_POWER_MODE_ON); 1824 1825 return (udev->power_mode); 1826 } 1827 1828 static int 1829 ugen_get_port_path(struct usb_fifo *f, struct usb_device_port_path *dpp) 1830 { 1831 struct usb_device *udev = f->udev; 1832 struct usb_device *next; 1833 unsigned int nlevel = 0; 1834 1835 if (udev == NULL) 1836 goto error; 1837 1838 dpp->udp_bus = device_get_unit(udev->bus->bdev); 1839 dpp->udp_index = udev->device_index; 1840 1841 /* count port levels */ 1842 next = udev; 1843 while (next->parent_hub != NULL) { 1844 nlevel++; 1845 next = next->parent_hub; 1846 } 1847 1848 /* check if too many levels */ 1849 if (nlevel > USB_DEVICE_PORT_PATH_MAX) 1850 goto error; 1851 1852 /* store total level of ports */ 1853 dpp->udp_port_level = nlevel; 1854 1855 /* store port index array */ 1856 next = udev; 1857 while (next->parent_hub != NULL) { 1858 dpp->udp_port_no[--nlevel] = next->port_no; 1859 next = next->parent_hub; 1860 } 1861 return (0); /* success */ 1862 1863 error: 1864 return (EINVAL); /* failure */ 1865 } 1866 1867 static int 1868 ugen_get_power_usage(struct usb_fifo *f) 1869 { 1870 struct usb_device *udev = f->udev; 1871 1872 if (udev == NULL) 1873 return (0); 1874 1875 return (udev->power); 1876 } 1877 1878 static int 1879 ugen_do_port_feature(struct usb_fifo *f, uint8_t port_no, 1880 uint8_t set, uint16_t feature) 1881 { 1882 struct usb_device *udev = f->udev; 1883 struct usb_hub *hub; 1884 int err; 1885 1886 err = priv_check(curthread, PRIV_DRIVER); 1887 if (err) { 1888 return (err); 1889 } 1890 if (port_no == 0) { 1891 return (EINVAL); 1892 } 1893 if ((udev == NULL) || 1894 (udev->hub == NULL)) { 1895 return (EINVAL); 1896 } 1897 hub = udev->hub; 1898 1899 if (port_no > hub->nports) { 1900 return (EINVAL); 1901 } 1902 if (set) 1903 err = usbd_req_set_port_feature(udev, 1904 NULL, port_no, feature); 1905 else 1906 err = usbd_req_clear_port_feature(udev, 1907 NULL, port_no, feature); 1908 1909 if (err) 1910 return (ENXIO); /* failure */ 1911 1912 return (0); /* success */ 1913 } 1914 1915 static int 1916 ugen_iface_ioctl(struct usb_fifo *f, u_long cmd, void *addr, int fflags) 1917 { 1918 struct usb_fifo *f_rx; 1919 struct usb_fifo *f_tx; 1920 int error = 0; 1921 1922 f_rx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_RX]; 1923 f_tx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_TX]; 1924 1925 switch (cmd) { 1926 case USB_SET_RX_SHORT_XFER: 1927 if (fflags & FREAD) { 1928 error = ugen_set_short_xfer(f_rx, addr); 1929 } else { 1930 error = EINVAL; 1931 } 1932 break; 1933 1934 case USB_SET_TX_FORCE_SHORT: 1935 if (fflags & FWRITE) { 1936 error = ugen_set_short_xfer(f_tx, addr); 1937 } else { 1938 error = EINVAL; 1939 } 1940 break; 1941 1942 case USB_SET_RX_TIMEOUT: 1943 if (fflags & FREAD) { 1944 error = ugen_set_timeout(f_rx, addr); 1945 } else { 1946 error = EINVAL; 1947 } 1948 break; 1949 1950 case USB_SET_TX_TIMEOUT: 1951 if (fflags & FWRITE) { 1952 error = ugen_set_timeout(f_tx, addr); 1953 } else { 1954 error = EINVAL; 1955 } 1956 break; 1957 1958 case USB_GET_RX_FRAME_SIZE: 1959 if (fflags & FREAD) { 1960 error = ugen_get_frame_size(f_rx, addr); 1961 } else { 1962 error = EINVAL; 1963 } 1964 break; 1965 1966 case USB_GET_TX_FRAME_SIZE: 1967 if (fflags & FWRITE) { 1968 error = ugen_get_frame_size(f_tx, addr); 1969 } else { 1970 error = EINVAL; 1971 } 1972 break; 1973 1974 case USB_SET_RX_BUFFER_SIZE: 1975 if (fflags & FREAD) { 1976 error = ugen_set_buffer_size(f_rx, addr); 1977 } else { 1978 error = EINVAL; 1979 } 1980 break; 1981 1982 case USB_SET_TX_BUFFER_SIZE: 1983 if (fflags & FWRITE) { 1984 error = ugen_set_buffer_size(f_tx, addr); 1985 } else { 1986 error = EINVAL; 1987 } 1988 break; 1989 1990 case USB_GET_RX_BUFFER_SIZE: 1991 if (fflags & FREAD) { 1992 error = ugen_get_buffer_size(f_rx, addr); 1993 } else { 1994 error = EINVAL; 1995 } 1996 break; 1997 1998 case USB_GET_TX_BUFFER_SIZE: 1999 if (fflags & FWRITE) { 2000 error = ugen_get_buffer_size(f_tx, addr); 2001 } else { 2002 error = EINVAL; 2003 } 2004 break; 2005 2006 case USB_GET_RX_INTERFACE_DESC: 2007 if (fflags & FREAD) { 2008 error = ugen_get_iface_desc(f_rx, addr); 2009 } else { 2010 error = EINVAL; 2011 } 2012 break; 2013 2014 case USB_GET_TX_INTERFACE_DESC: 2015 if (fflags & FWRITE) { 2016 error = ugen_get_iface_desc(f_tx, addr); 2017 } else { 2018 error = EINVAL; 2019 } 2020 break; 2021 2022 case USB_GET_RX_ENDPOINT_DESC: 2023 if (fflags & FREAD) { 2024 error = ugen_get_endpoint_desc(f_rx, addr); 2025 } else { 2026 error = EINVAL; 2027 } 2028 break; 2029 2030 case USB_GET_TX_ENDPOINT_DESC: 2031 if (fflags & FWRITE) { 2032 error = ugen_get_endpoint_desc(f_tx, addr); 2033 } else { 2034 error = EINVAL; 2035 } 2036 break; 2037 2038 case USB_SET_RX_STALL_FLAG: 2039 if ((fflags & FREAD) && (*(int *)addr)) { 2040 f_rx->flag_stall = 1; 2041 } 2042 break; 2043 2044 case USB_SET_TX_STALL_FLAG: 2045 if ((fflags & FWRITE) && (*(int *)addr)) { 2046 f_tx->flag_stall = 1; 2047 } 2048 break; 2049 2050 default: 2051 error = ENOIOCTL; 2052 break; 2053 } 2054 return (error); 2055 } 2056 2057 static int 2058 ugen_ioctl_post(struct usb_fifo *f, u_long cmd, void *addr, int fflags) 2059 { 2060 union { 2061 struct usb_interface_descriptor *idesc; 2062 struct usb_alt_interface *ai; 2063 struct usb_device_descriptor *ddesc; 2064 struct usb_config_descriptor *cdesc; 2065 struct usb_device_stats *stat; 2066 struct usb_fs_init *pinit; 2067 struct usb_fs_uninit *puninit; 2068 struct usb_device_port_path *dpp; 2069 uint32_t *ptime; 2070 void *addr; 2071 int *pint; 2072 } u; 2073 struct usb_device_descriptor *dtemp; 2074 struct usb_config_descriptor *ctemp; 2075 struct usb_interface *iface; 2076 int error = 0; 2077 uint8_t n; 2078 2079 u.addr = addr; 2080 2081 DPRINTFN(6, "cmd=0x%08lx\n", cmd); 2082 2083 switch (cmd) { 2084 case USB_DISCOVER: 2085 usb_needs_explore_all(); 2086 break; 2087 2088 case USB_SETDEBUG: 2089 if (!(fflags & FWRITE)) { 2090 error = EPERM; 2091 break; 2092 } 2093 usb_debug = *(int *)addr; 2094 break; 2095 2096 case USB_GET_CONFIG: 2097 *(int *)addr = f->udev->curr_config_index; 2098 break; 2099 2100 case USB_SET_CONFIG: 2101 if (!(fflags & FWRITE)) { 2102 error = EPERM; 2103 break; 2104 } 2105 error = ugen_set_config(f, *(int *)addr); 2106 break; 2107 2108 case USB_GET_ALTINTERFACE: 2109 iface = usbd_get_iface(f->udev, 2110 u.ai->uai_interface_index); 2111 if (iface && iface->idesc) { 2112 u.ai->uai_alt_index = iface->alt_index; 2113 } else { 2114 error = EINVAL; 2115 } 2116 break; 2117 2118 case USB_SET_ALTINTERFACE: 2119 if (!(fflags & FWRITE)) { 2120 error = EPERM; 2121 break; 2122 } 2123 error = ugen_set_interface(f, 2124 u.ai->uai_interface_index, u.ai->uai_alt_index); 2125 break; 2126 2127 case USB_GET_DEVICE_DESC: 2128 dtemp = usbd_get_device_descriptor(f->udev); 2129 if (!dtemp) { 2130 error = EIO; 2131 break; 2132 } 2133 *u.ddesc = *dtemp; 2134 break; 2135 2136 case USB_GET_CONFIG_DESC: 2137 ctemp = usbd_get_config_descriptor(f->udev); 2138 if (!ctemp) { 2139 error = EIO; 2140 break; 2141 } 2142 *u.cdesc = *ctemp; 2143 break; 2144 2145 case USB_GET_FULL_DESC: 2146 error = ugen_get_cdesc(f, addr); 2147 break; 2148 2149 case USB_GET_STRING_DESC: 2150 error = ugen_get_sdesc(f, addr); 2151 break; 2152 2153 case USB_GET_IFACE_DRIVER: 2154 error = ugen_get_iface_driver(f, addr); 2155 break; 2156 2157 case USB_REQUEST: 2158 case USB_DO_REQUEST: 2159 if (!(fflags & FWRITE)) { 2160 error = EPERM; 2161 break; 2162 } 2163 error = ugen_do_request(f, addr); 2164 break; 2165 2166 case USB_DEVICEINFO: 2167 case USB_GET_DEVICEINFO: 2168 error = usb_gen_fill_deviceinfo(f, addr); 2169 break; 2170 2171 case USB_DEVICESTATS: 2172 for (n = 0; n != 4; n++) { 2173 2174 u.stat->uds_requests_fail[n] = 2175 f->udev->bus->stats_err.uds_requests[n]; 2176 2177 u.stat->uds_requests_ok[n] = 2178 f->udev->bus->stats_ok.uds_requests[n]; 2179 } 2180 break; 2181 2182 case USB_DEVICEENUMERATE: 2183 error = ugen_re_enumerate(f); 2184 break; 2185 2186 case USB_GET_PLUGTIME: 2187 *u.ptime = f->udev->plugtime; 2188 break; 2189 2190 case USB_CLAIM_INTERFACE: 2191 case USB_RELEASE_INTERFACE: 2192 /* TODO */ 2193 break; 2194 2195 case USB_IFACE_DRIVER_ACTIVE: 2196 2197 n = *u.pint & 0xFF; 2198 2199 iface = usbd_get_iface(f->udev, n); 2200 2201 if (iface && iface->subdev) 2202 error = 0; 2203 else 2204 error = ENXIO; 2205 break; 2206 2207 case USB_IFACE_DRIVER_DETACH: 2208 2209 error = priv_check(curthread, PRIV_DRIVER); 2210 2211 if (error) 2212 break; 2213 2214 n = *u.pint & 0xFF; 2215 2216 if (n == USB_IFACE_INDEX_ANY) { 2217 error = EINVAL; 2218 break; 2219 } 2220 2221 /* 2222 * Detach the currently attached driver. 2223 */ 2224 usb_detach_device(f->udev, n, 0); 2225 2226 /* 2227 * Set parent to self, this should keep attach away 2228 * until the next set configuration event. 2229 */ 2230 usbd_set_parent_iface(f->udev, n, n); 2231 break; 2232 2233 case USB_SET_POWER_MODE: 2234 error = ugen_set_power_mode(f, *u.pint); 2235 break; 2236 2237 case USB_GET_POWER_MODE: 2238 *u.pint = ugen_get_power_mode(f); 2239 break; 2240 2241 case USB_GET_DEV_PORT_PATH: 2242 error = ugen_get_port_path(f, u.dpp); 2243 break; 2244 2245 case USB_GET_POWER_USAGE: 2246 *u.pint = ugen_get_power_usage(f); 2247 break; 2248 2249 case USB_SET_PORT_ENABLE: 2250 error = ugen_do_port_feature(f, 2251 *u.pint, 1, UHF_PORT_ENABLE); 2252 break; 2253 2254 case USB_SET_PORT_DISABLE: 2255 error = ugen_do_port_feature(f, 2256 *u.pint, 0, UHF_PORT_ENABLE); 2257 break; 2258 2259 case USB_FS_INIT: 2260 /* verify input parameters */ 2261 if (u.pinit->pEndpoints == NULL) { 2262 error = EINVAL; 2263 break; 2264 } 2265 if (u.pinit->ep_index_max > 127) { 2266 error = EINVAL; 2267 break; 2268 } 2269 if (u.pinit->ep_index_max == 0) { 2270 error = EINVAL; 2271 break; 2272 } 2273 if (f->fs_xfer != NULL) { 2274 error = EBUSY; 2275 break; 2276 } 2277 if (f->dev_ep_index != 0) { 2278 error = EINVAL; 2279 break; 2280 } 2281 if (ugen_fifo_in_use(f, fflags)) { 2282 error = EBUSY; 2283 break; 2284 } 2285 error = usb_fifo_alloc_buffer(f, 1, u.pinit->ep_index_max); 2286 if (error) { 2287 break; 2288 } 2289 f->fs_xfer = malloc(sizeof(f->fs_xfer[0]) * 2290 u.pinit->ep_index_max, M_USB, M_WAITOK | M_ZERO); 2291 if (f->fs_xfer == NULL) { 2292 usb_fifo_free_buffer(f); 2293 error = ENOMEM; 2294 break; 2295 } 2296 f->fs_ep_max = u.pinit->ep_index_max; 2297 f->fs_ep_ptr = u.pinit->pEndpoints; 2298 break; 2299 2300 case USB_FS_UNINIT: 2301 if (u.puninit->dummy != 0) { 2302 error = EINVAL; 2303 break; 2304 } 2305 error = ugen_fs_uninit(f); 2306 break; 2307 2308 default: 2309 mtx_lock(f->priv_mtx); 2310 error = ugen_iface_ioctl(f, cmd, addr, fflags); 2311 mtx_unlock(f->priv_mtx); 2312 break; 2313 } 2314 DPRINTFN(6, "error=%d\n", error); 2315 return (error); 2316 } 2317 2318 static void 2319 ugen_ctrl_fs_callback(struct usb_xfer *xfer, usb_error_t error) 2320 { 2321 ; /* workaround for a bug in "indent" */ 2322 2323 DPRINTF("st=%u alen=%u aframes=%u\n", 2324 USB_GET_STATE(xfer), xfer->actlen, xfer->aframes); 2325 2326 switch (USB_GET_STATE(xfer)) { 2327 case USB_ST_SETUP: 2328 usbd_transfer_submit(xfer); 2329 break; 2330 default: 2331 ugen_fs_set_complete(xfer->priv_sc, USB_P2U(xfer->priv_fifo)); 2332 break; 2333 } 2334 } 2335 #endif /* USB_HAVE_UGEN */ 2336