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 } 619 620 /* make sure all FIFO's are gone */ 621 /* else there can be a deadlock */ 622 if (ugen_fs_uninit(f)) { 623 /* ignore any errors */ 624 DPRINTFN(6, "no FIFOs\n"); 625 } 626 627 if (usbd_start_set_config(f->udev, index) != 0) 628 return (EIO); 629 630 return (0); 631 } 632 633 static int 634 ugen_set_interface(struct usb_fifo *f, 635 uint8_t iface_index, uint8_t alt_index) 636 { 637 DPRINTFN(2, "%u, %u\n", iface_index, alt_index); 638 639 if (f->udev->flags.usb_mode != USB_MODE_HOST) { 640 /* not possible in device side mode */ 641 return (ENOTTY); 642 } 643 /* make sure all FIFO's are gone */ 644 /* else there can be a deadlock */ 645 if (ugen_fs_uninit(f)) { 646 /* ignore any errors */ 647 DPRINTFN(6, "no FIFOs\n"); 648 } 649 /* change setting - will free generic FIFOs, if any */ 650 if (usbd_set_alt_interface_index(f->udev, iface_index, alt_index)) { 651 return (EIO); 652 } 653 /* probe and attach */ 654 if (usb_probe_and_attach(f->udev, iface_index)) { 655 return (EIO); 656 } 657 return (0); 658 } 659 660 /*------------------------------------------------------------------------* 661 * ugen_get_cdesc 662 * 663 * This function will retrieve the complete configuration descriptor 664 * at the given index. 665 *------------------------------------------------------------------------*/ 666 static int 667 ugen_get_cdesc(struct usb_fifo *f, struct usb_gen_descriptor *ugd) 668 { 669 struct usb_config_descriptor *cdesc; 670 struct usb_device *udev = f->udev; 671 int error; 672 uint16_t len; 673 uint8_t free_data; 674 675 DPRINTFN(6, "\n"); 676 677 if (ugd->ugd_data == NULL) { 678 /* userland pointer should not be zero */ 679 return (EINVAL); 680 } 681 if ((ugd->ugd_config_index == USB_UNCONFIG_INDEX) || 682 (ugd->ugd_config_index == udev->curr_config_index)) { 683 cdesc = usbd_get_config_descriptor(udev); 684 if (cdesc == NULL) 685 return (ENXIO); 686 free_data = 0; 687 688 } else { 689 #if (USB_HAVE_FIXED_CONFIG == 0) 690 if (usbd_req_get_config_desc_full(udev, 691 NULL, &cdesc, ugd->ugd_config_index)) { 692 return (ENXIO); 693 } 694 free_data = 1; 695 #else 696 /* configuration descriptor data is shared */ 697 return (EINVAL); 698 #endif 699 } 700 701 len = UGETW(cdesc->wTotalLength); 702 if (len > ugd->ugd_maxlen) { 703 len = ugd->ugd_maxlen; 704 } 705 DPRINTFN(6, "len=%u\n", len); 706 707 ugd->ugd_actlen = len; 708 ugd->ugd_offset = 0; 709 710 error = copyout(cdesc, ugd->ugd_data, len); 711 712 if (free_data) 713 usbd_free_config_desc(udev, cdesc); 714 715 return (error); 716 } 717 718 /* 719 * This function is called having the enumeration SX locked which 720 * protects the scratch area used. 721 */ 722 static int 723 ugen_get_sdesc(struct usb_fifo *f, struct usb_gen_descriptor *ugd) 724 { 725 void *ptr; 726 uint16_t size; 727 int error; 728 729 ptr = f->udev->scratch.data; 730 size = sizeof(f->udev->scratch.data); 731 732 if (usbd_req_get_string_desc(f->udev, NULL, ptr, 733 size, ugd->ugd_lang_id, ugd->ugd_string_index)) { 734 error = EINVAL; 735 } else { 736 737 if (size > ((uint8_t *)ptr)[0]) { 738 size = ((uint8_t *)ptr)[0]; 739 } 740 if (size > ugd->ugd_maxlen) { 741 size = ugd->ugd_maxlen; 742 } 743 ugd->ugd_actlen = size; 744 ugd->ugd_offset = 0; 745 746 error = copyout(ptr, ugd->ugd_data, size); 747 } 748 return (error); 749 } 750 751 /*------------------------------------------------------------------------* 752 * ugen_get_iface_driver 753 * 754 * This function generates an USB interface description for userland. 755 * 756 * Returns: 757 * 0: Success 758 * Else: Failure 759 *------------------------------------------------------------------------*/ 760 static int 761 ugen_get_iface_driver(struct usb_fifo *f, struct usb_gen_descriptor *ugd) 762 { 763 struct usb_device *udev = f->udev; 764 struct usb_interface *iface; 765 const char *ptr; 766 const char *desc; 767 unsigned int len; 768 unsigned int maxlen; 769 char buf[128]; 770 int error; 771 772 DPRINTFN(6, "\n"); 773 774 if ((ugd->ugd_data == NULL) || (ugd->ugd_maxlen == 0)) { 775 /* userland pointer should not be zero */ 776 return (EINVAL); 777 } 778 779 iface = usbd_get_iface(udev, ugd->ugd_iface_index); 780 if ((iface == NULL) || (iface->idesc == NULL)) { 781 /* invalid interface index */ 782 return (EINVAL); 783 } 784 785 /* read out device nameunit string, if any */ 786 if ((iface->subdev != NULL) && 787 device_is_attached(iface->subdev) && 788 (ptr = device_get_nameunit(iface->subdev)) && 789 (desc = device_get_desc(iface->subdev))) { 790 791 /* print description */ 792 snprintf(buf, sizeof(buf), "%s: <%s>", ptr, desc); 793 794 /* range checks */ 795 maxlen = ugd->ugd_maxlen - 1; 796 len = strlen(buf); 797 if (len > maxlen) 798 len = maxlen; 799 800 /* update actual length, including terminating zero */ 801 ugd->ugd_actlen = len + 1; 802 803 /* copy out interface description */ 804 error = copyout(buf, ugd->ugd_data, ugd->ugd_actlen); 805 } else { 806 /* zero length string is default */ 807 error = copyout("", ugd->ugd_data, 1); 808 } 809 return (error); 810 } 811 812 /*------------------------------------------------------------------------* 813 * usb_gen_fill_deviceinfo 814 * 815 * This function dumps information about an USB device to the 816 * structure pointed to by the "di" argument. 817 * 818 * Returns: 819 * 0: Success 820 * Else: Failure 821 *------------------------------------------------------------------------*/ 822 static int 823 usb_gen_fill_deviceinfo(struct usb_fifo *f, struct usb_device_info *di) 824 { 825 struct usb_device *udev; 826 struct usb_device *hub; 827 828 udev = f->udev; 829 830 bzero(di, sizeof(di[0])); 831 832 di->udi_bus = device_get_unit(udev->bus->bdev); 833 di->udi_addr = udev->address; 834 di->udi_index = udev->device_index; 835 strlcpy(di->udi_serial, usb_get_serial(udev), sizeof(di->udi_serial)); 836 strlcpy(di->udi_vendor, usb_get_manufacturer(udev), sizeof(di->udi_vendor)); 837 strlcpy(di->udi_product, usb_get_product(udev), sizeof(di->udi_product)); 838 usb_printbcd(di->udi_release, sizeof(di->udi_release), 839 UGETW(udev->ddesc.bcdDevice)); 840 di->udi_vendorNo = UGETW(udev->ddesc.idVendor); 841 di->udi_productNo = UGETW(udev->ddesc.idProduct); 842 di->udi_releaseNo = UGETW(udev->ddesc.bcdDevice); 843 di->udi_class = udev->ddesc.bDeviceClass; 844 di->udi_subclass = udev->ddesc.bDeviceSubClass; 845 di->udi_protocol = udev->ddesc.bDeviceProtocol; 846 di->udi_config_no = udev->curr_config_no; 847 di->udi_config_index = udev->curr_config_index; 848 di->udi_power = udev->flags.self_powered ? 0 : udev->power; 849 di->udi_speed = udev->speed; 850 di->udi_mode = udev->flags.usb_mode; 851 di->udi_power_mode = udev->power_mode; 852 di->udi_suspended = udev->flags.peer_suspended; 853 854 hub = udev->parent_hub; 855 if (hub) { 856 di->udi_hubaddr = hub->address; 857 di->udi_hubindex = hub->device_index; 858 di->udi_hubport = udev->port_no; 859 } 860 return (0); 861 } 862 863 /*------------------------------------------------------------------------* 864 * ugen_check_request 865 * 866 * Return values: 867 * 0: Access allowed 868 * Else: No access 869 *------------------------------------------------------------------------*/ 870 static int 871 ugen_check_request(struct usb_device *udev, struct usb_device_request *req) 872 { 873 struct usb_endpoint *ep; 874 int error; 875 876 /* 877 * Avoid requests that would damage the bus integrity: 878 */ 879 if (((req->bmRequestType == UT_WRITE_DEVICE) && 880 (req->bRequest == UR_SET_ADDRESS)) || 881 ((req->bmRequestType == UT_WRITE_DEVICE) && 882 (req->bRequest == UR_SET_CONFIG)) || 883 ((req->bmRequestType == UT_WRITE_INTERFACE) && 884 (req->bRequest == UR_SET_INTERFACE))) { 885 /* 886 * These requests can be useful for testing USB drivers. 887 */ 888 error = priv_check(curthread, PRIV_DRIVER); 889 if (error) { 890 return (error); 891 } 892 } 893 /* 894 * Special case - handle clearing of stall 895 */ 896 if (req->bmRequestType == UT_WRITE_ENDPOINT) { 897 898 ep = usbd_get_ep_by_addr(udev, req->wIndex[0]); 899 if (ep == NULL) { 900 return (EINVAL); 901 } 902 if ((req->bRequest == UR_CLEAR_FEATURE) && 903 (UGETW(req->wValue) == UF_ENDPOINT_HALT)) { 904 usbd_clear_data_toggle(udev, ep); 905 } 906 } 907 /* TODO: add more checks to verify the interface index */ 908 909 return (0); 910 } 911 912 int 913 ugen_do_request(struct usb_fifo *f, struct usb_ctl_request *ur) 914 { 915 int error; 916 uint16_t len; 917 uint16_t actlen; 918 919 if (ugen_check_request(f->udev, &ur->ucr_request)) { 920 return (EPERM); 921 } 922 len = UGETW(ur->ucr_request.wLength); 923 924 /* check if "ucr_data" is valid */ 925 if (len != 0) { 926 if (ur->ucr_data == NULL) { 927 return (EFAULT); 928 } 929 } 930 /* do the USB request */ 931 error = usbd_do_request_flags 932 (f->udev, NULL, &ur->ucr_request, ur->ucr_data, 933 (ur->ucr_flags & USB_SHORT_XFER_OK) | 934 USB_USER_DATA_PTR, &actlen, 935 USB_DEFAULT_TIMEOUT); 936 937 ur->ucr_actlen = actlen; 938 939 if (error) { 940 error = EIO; 941 } 942 return (error); 943 } 944 945 /*------------------------------------------------------------------------ 946 * ugen_re_enumerate 947 *------------------------------------------------------------------------*/ 948 static int 949 ugen_re_enumerate(struct usb_fifo *f) 950 { 951 struct usb_device *udev = f->udev; 952 int error; 953 954 /* 955 * This request can be useful for testing USB drivers: 956 */ 957 error = priv_check(curthread, PRIV_DRIVER); 958 if (error) { 959 return (error); 960 } 961 if (udev->flags.usb_mode != USB_MODE_HOST) { 962 /* not possible in device side mode */ 963 DPRINTFN(6, "device mode\n"); 964 return (ENOTTY); 965 } 966 /* make sure all FIFO's are gone */ 967 /* else there can be a deadlock */ 968 if (ugen_fs_uninit(f)) { 969 /* ignore any errors */ 970 DPRINTFN(6, "no FIFOs\n"); 971 } 972 /* start re-enumeration of device */ 973 usbd_start_re_enumerate(udev); 974 return (0); 975 } 976 977 int 978 ugen_fs_uninit(struct usb_fifo *f) 979 { 980 if (f->fs_xfer == NULL) { 981 return (EINVAL); 982 } 983 usbd_transfer_unsetup(f->fs_xfer, f->fs_ep_max); 984 free(f->fs_xfer, M_USB); 985 f->fs_xfer = NULL; 986 f->fs_ep_max = 0; 987 f->fs_ep_ptr = NULL; 988 f->flag_iscomplete = 0; 989 usb_fifo_free_buffer(f); 990 return (0); 991 } 992 993 static uint8_t 994 ugen_fs_get_complete(struct usb_fifo *f, uint8_t *pindex) 995 { 996 struct usb_mbuf *m; 997 998 USB_IF_DEQUEUE(&f->used_q, m); 999 1000 if (m) { 1001 *pindex = *((uint8_t *)(m->cur_data_ptr)); 1002 1003 USB_IF_ENQUEUE(&f->free_q, m); 1004 1005 return (0); /* success */ 1006 } else { 1007 1008 *pindex = 0; /* fix compiler warning */ 1009 1010 f->flag_iscomplete = 0; 1011 } 1012 return (1); /* failure */ 1013 } 1014 1015 static void 1016 ugen_fs_set_complete(struct usb_fifo *f, uint8_t index) 1017 { 1018 struct usb_mbuf *m; 1019 1020 USB_IF_DEQUEUE(&f->free_q, m); 1021 1022 if (m == NULL) { 1023 /* can happen during close */ 1024 DPRINTF("out of buffers\n"); 1025 return; 1026 } 1027 USB_MBUF_RESET(m); 1028 1029 *((uint8_t *)(m->cur_data_ptr)) = index; 1030 1031 USB_IF_ENQUEUE(&f->used_q, m); 1032 1033 f->flag_iscomplete = 1; 1034 1035 usb_fifo_wakeup(f); 1036 } 1037 1038 static int 1039 ugen_fs_copy_in(struct usb_fifo *f, uint8_t ep_index) 1040 { 1041 struct usb_device_request *req; 1042 struct usb_xfer *xfer; 1043 struct usb_fs_endpoint fs_ep; 1044 void *uaddr; /* userland pointer */ 1045 void *kaddr; 1046 usb_frlength_t offset; 1047 usb_frlength_t rem; 1048 usb_frcount_t n; 1049 uint32_t length; 1050 int error; 1051 uint8_t isread; 1052 1053 if (ep_index >= f->fs_ep_max) { 1054 return (EINVAL); 1055 } 1056 xfer = f->fs_xfer[ep_index]; 1057 if (xfer == NULL) { 1058 return (EINVAL); 1059 } 1060 mtx_lock(f->priv_mtx); 1061 if (usbd_transfer_pending(xfer)) { 1062 mtx_unlock(f->priv_mtx); 1063 return (EBUSY); /* should not happen */ 1064 } 1065 mtx_unlock(f->priv_mtx); 1066 1067 error = copyin(f->fs_ep_ptr + 1068 ep_index, &fs_ep, sizeof(fs_ep)); 1069 if (error) { 1070 return (error); 1071 } 1072 /* security checks */ 1073 1074 if (fs_ep.nFrames > xfer->max_frame_count) { 1075 xfer->error = USB_ERR_INVAL; 1076 goto complete; 1077 } 1078 if (fs_ep.nFrames == 0) { 1079 xfer->error = USB_ERR_INVAL; 1080 goto complete; 1081 } 1082 error = copyin(fs_ep.ppBuffer, 1083 &uaddr, sizeof(uaddr)); 1084 if (error) { 1085 return (error); 1086 } 1087 /* reset first frame */ 1088 usbd_xfer_set_frame_offset(xfer, 0, 0); 1089 1090 if (xfer->flags_int.control_xfr) { 1091 1092 req = xfer->frbuffers[0].buffer; 1093 1094 error = copyin(fs_ep.pLength, 1095 &length, sizeof(length)); 1096 if (error) { 1097 return (error); 1098 } 1099 if (length != sizeof(*req)) { 1100 xfer->error = USB_ERR_INVAL; 1101 goto complete; 1102 } 1103 if (length != 0) { 1104 error = copyin(uaddr, req, length); 1105 if (error) { 1106 return (error); 1107 } 1108 } 1109 if (ugen_check_request(f->udev, req)) { 1110 xfer->error = USB_ERR_INVAL; 1111 goto complete; 1112 } 1113 usbd_xfer_set_frame_len(xfer, 0, length); 1114 1115 /* Host mode only ! */ 1116 if ((req->bmRequestType & 1117 (UT_READ | UT_WRITE)) == UT_READ) { 1118 isread = 1; 1119 } else { 1120 isread = 0; 1121 } 1122 n = 1; 1123 offset = sizeof(*req); 1124 1125 } else { 1126 /* Device and Host mode */ 1127 if (USB_GET_DATA_ISREAD(xfer)) { 1128 isread = 1; 1129 } else { 1130 isread = 0; 1131 } 1132 n = 0; 1133 offset = 0; 1134 } 1135 1136 rem = usbd_xfer_max_len(xfer); 1137 xfer->nframes = fs_ep.nFrames; 1138 xfer->timeout = fs_ep.timeout; 1139 if (xfer->timeout > 65535) { 1140 xfer->timeout = 65535; 1141 } 1142 if (fs_ep.flags & USB_FS_FLAG_SINGLE_SHORT_OK) 1143 xfer->flags.short_xfer_ok = 1; 1144 else 1145 xfer->flags.short_xfer_ok = 0; 1146 1147 if (fs_ep.flags & USB_FS_FLAG_MULTI_SHORT_OK) 1148 xfer->flags.short_frames_ok = 1; 1149 else 1150 xfer->flags.short_frames_ok = 0; 1151 1152 if (fs_ep.flags & USB_FS_FLAG_FORCE_SHORT) 1153 xfer->flags.force_short_xfer = 1; 1154 else 1155 xfer->flags.force_short_xfer = 0; 1156 1157 if (fs_ep.flags & USB_FS_FLAG_CLEAR_STALL) 1158 usbd_xfer_set_stall(xfer); 1159 else 1160 xfer->flags.stall_pipe = 0; 1161 1162 for (; n != xfer->nframes; n++) { 1163 1164 error = copyin(fs_ep.pLength + n, 1165 &length, sizeof(length)); 1166 if (error) { 1167 break; 1168 } 1169 usbd_xfer_set_frame_len(xfer, n, length); 1170 1171 if (length > rem) { 1172 xfer->error = USB_ERR_INVAL; 1173 goto complete; 1174 } 1175 rem -= length; 1176 1177 if (!isread) { 1178 1179 /* we need to know the source buffer */ 1180 error = copyin(fs_ep.ppBuffer + n, 1181 &uaddr, sizeof(uaddr)); 1182 if (error) { 1183 break; 1184 } 1185 if (xfer->flags_int.isochronous_xfr) { 1186 /* get kernel buffer address */ 1187 kaddr = xfer->frbuffers[0].buffer; 1188 kaddr = USB_ADD_BYTES(kaddr, offset); 1189 } else { 1190 /* set current frame offset */ 1191 usbd_xfer_set_frame_offset(xfer, offset, n); 1192 1193 /* get kernel buffer address */ 1194 kaddr = xfer->frbuffers[n].buffer; 1195 } 1196 1197 /* move data */ 1198 error = copyin(uaddr, kaddr, length); 1199 if (error) { 1200 break; 1201 } 1202 } 1203 offset += length; 1204 } 1205 return (error); 1206 1207 complete: 1208 mtx_lock(f->priv_mtx); 1209 ugen_fs_set_complete(f, ep_index); 1210 mtx_unlock(f->priv_mtx); 1211 return (0); 1212 } 1213 1214 static int 1215 ugen_fs_copy_out(struct usb_fifo *f, uint8_t ep_index) 1216 { 1217 struct usb_device_request *req; 1218 struct usb_xfer *xfer; 1219 struct usb_fs_endpoint fs_ep; 1220 struct usb_fs_endpoint *fs_ep_uptr; /* userland ptr */ 1221 void *uaddr; /* userland ptr */ 1222 void *kaddr; 1223 usb_frlength_t offset; 1224 usb_frlength_t rem; 1225 usb_frcount_t n; 1226 uint32_t length; 1227 uint32_t temp; 1228 int error; 1229 uint8_t isread; 1230 1231 if (ep_index >= f->fs_ep_max) 1232 return (EINVAL); 1233 1234 xfer = f->fs_xfer[ep_index]; 1235 if (xfer == NULL) 1236 return (EINVAL); 1237 1238 mtx_lock(f->priv_mtx); 1239 if (usbd_transfer_pending(xfer)) { 1240 mtx_unlock(f->priv_mtx); 1241 return (EBUSY); /* should not happen */ 1242 } 1243 mtx_unlock(f->priv_mtx); 1244 1245 fs_ep_uptr = f->fs_ep_ptr + ep_index; 1246 error = copyin(fs_ep_uptr, &fs_ep, sizeof(fs_ep)); 1247 if (error) { 1248 return (error); 1249 } 1250 fs_ep.status = xfer->error; 1251 fs_ep.aFrames = xfer->aframes; 1252 fs_ep.isoc_time_complete = xfer->isoc_time_complete; 1253 if (xfer->error) { 1254 goto complete; 1255 } 1256 if (xfer->flags_int.control_xfr) { 1257 req = xfer->frbuffers[0].buffer; 1258 1259 /* Host mode only ! */ 1260 if ((req->bmRequestType & (UT_READ | UT_WRITE)) == UT_READ) { 1261 isread = 1; 1262 } else { 1263 isread = 0; 1264 } 1265 if (xfer->nframes == 0) 1266 n = 0; /* should never happen */ 1267 else 1268 n = 1; 1269 } else { 1270 /* Device and Host mode */ 1271 if (USB_GET_DATA_ISREAD(xfer)) { 1272 isread = 1; 1273 } else { 1274 isread = 0; 1275 } 1276 n = 0; 1277 } 1278 1279 /* Update lengths and copy out data */ 1280 1281 rem = usbd_xfer_max_len(xfer); 1282 offset = 0; 1283 1284 for (; n != xfer->nframes; n++) { 1285 1286 /* get initial length into "temp" */ 1287 error = copyin(fs_ep.pLength + n, 1288 &temp, sizeof(temp)); 1289 if (error) { 1290 return (error); 1291 } 1292 if (temp > rem) { 1293 /* the userland length has been corrupted */ 1294 DPRINTF("corrupt userland length " 1295 "%u > %u\n", temp, rem); 1296 fs_ep.status = USB_ERR_INVAL; 1297 goto complete; 1298 } 1299 rem -= temp; 1300 1301 /* get actual transfer length */ 1302 length = xfer->frlengths[n]; 1303 if (length > temp) { 1304 /* data overflow */ 1305 fs_ep.status = USB_ERR_INVAL; 1306 DPRINTF("data overflow %u > %u\n", 1307 length, temp); 1308 goto complete; 1309 } 1310 if (isread) { 1311 1312 /* we need to know the destination buffer */ 1313 error = copyin(fs_ep.ppBuffer + n, 1314 &uaddr, sizeof(uaddr)); 1315 if (error) { 1316 return (error); 1317 } 1318 if (xfer->flags_int.isochronous_xfr) { 1319 /* only one frame buffer */ 1320 kaddr = USB_ADD_BYTES( 1321 xfer->frbuffers[0].buffer, offset); 1322 } else { 1323 /* multiple frame buffers */ 1324 kaddr = xfer->frbuffers[n].buffer; 1325 } 1326 1327 /* move data */ 1328 error = copyout(kaddr, uaddr, length); 1329 if (error) { 1330 return (error); 1331 } 1332 } 1333 /* 1334 * Update offset according to initial length, which is 1335 * needed by isochronous transfers! 1336 */ 1337 offset += temp; 1338 1339 /* update length */ 1340 error = copyout(&length, 1341 fs_ep.pLength + n, sizeof(length)); 1342 if (error) { 1343 return (error); 1344 } 1345 } 1346 1347 complete: 1348 /* update "aFrames" */ 1349 error = copyout(&fs_ep.aFrames, &fs_ep_uptr->aFrames, 1350 sizeof(fs_ep.aFrames)); 1351 if (error) 1352 goto done; 1353 1354 /* update "isoc_time_complete" */ 1355 error = copyout(&fs_ep.isoc_time_complete, 1356 &fs_ep_uptr->isoc_time_complete, 1357 sizeof(fs_ep.isoc_time_complete)); 1358 if (error) 1359 goto done; 1360 /* update "status" */ 1361 error = copyout(&fs_ep.status, &fs_ep_uptr->status, 1362 sizeof(fs_ep.status)); 1363 done: 1364 return (error); 1365 } 1366 1367 static uint8_t 1368 ugen_fifo_in_use(struct usb_fifo *f, int fflags) 1369 { 1370 struct usb_fifo *f_rx; 1371 struct usb_fifo *f_tx; 1372 1373 f_rx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_RX]; 1374 f_tx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_TX]; 1375 1376 if ((fflags & FREAD) && f_rx && 1377 (f_rx->xfer[0] || f_rx->xfer[1])) { 1378 return (1); /* RX FIFO in use */ 1379 } 1380 if ((fflags & FWRITE) && f_tx && 1381 (f_tx->xfer[0] || f_tx->xfer[1])) { 1382 return (1); /* TX FIFO in use */ 1383 } 1384 return (0); /* not in use */ 1385 } 1386 1387 static int 1388 ugen_ioctl(struct usb_fifo *f, u_long cmd, void *addr, int fflags) 1389 { 1390 struct usb_config usb_config[1]; 1391 struct usb_device_request req; 1392 union { 1393 struct usb_fs_complete *pcomp; 1394 struct usb_fs_start *pstart; 1395 struct usb_fs_stop *pstop; 1396 struct usb_fs_open *popen; 1397 struct usb_fs_open_stream *popen_stream; 1398 struct usb_fs_close *pclose; 1399 struct usb_fs_clear_stall_sync *pstall; 1400 void *addr; 1401 } u; 1402 struct usb_endpoint *ep; 1403 struct usb_endpoint_descriptor *ed; 1404 struct usb_xfer *xfer; 1405 int error = 0; 1406 uint8_t iface_index; 1407 uint8_t isread; 1408 uint8_t ep_index; 1409 uint8_t pre_scale; 1410 1411 u.addr = addr; 1412 1413 DPRINTFN(6, "cmd=0x%08lx\n", cmd); 1414 1415 switch (cmd) { 1416 case USB_FS_COMPLETE: 1417 mtx_lock(f->priv_mtx); 1418 error = ugen_fs_get_complete(f, &ep_index); 1419 mtx_unlock(f->priv_mtx); 1420 1421 if (error) { 1422 error = EBUSY; 1423 break; 1424 } 1425 u.pcomp->ep_index = ep_index; 1426 error = ugen_fs_copy_out(f, u.pcomp->ep_index); 1427 break; 1428 1429 case USB_FS_START: 1430 error = ugen_fs_copy_in(f, u.pstart->ep_index); 1431 if (error) 1432 break; 1433 mtx_lock(f->priv_mtx); 1434 xfer = f->fs_xfer[u.pstart->ep_index]; 1435 usbd_transfer_start(xfer); 1436 mtx_unlock(f->priv_mtx); 1437 break; 1438 1439 case USB_FS_STOP: 1440 if (u.pstop->ep_index >= f->fs_ep_max) { 1441 error = EINVAL; 1442 break; 1443 } 1444 mtx_lock(f->priv_mtx); 1445 xfer = f->fs_xfer[u.pstart->ep_index]; 1446 if (usbd_transfer_pending(xfer)) { 1447 usbd_transfer_stop(xfer); 1448 /* 1449 * Check if the USB transfer was stopped 1450 * before it was even started. Else a cancel 1451 * callback will be pending. 1452 */ 1453 if (!xfer->flags_int.transferring) { 1454 ugen_fs_set_complete(xfer->priv_sc, 1455 USB_P2U(xfer->priv_fifo)); 1456 } 1457 } 1458 mtx_unlock(f->priv_mtx); 1459 break; 1460 1461 case USB_FS_OPEN: 1462 case USB_FS_OPEN_STREAM: 1463 if (u.popen->ep_index >= f->fs_ep_max) { 1464 error = EINVAL; 1465 break; 1466 } 1467 if (f->fs_xfer[u.popen->ep_index] != NULL) { 1468 error = EBUSY; 1469 break; 1470 } 1471 if (u.popen->max_bufsize > USB_FS_MAX_BUFSIZE) { 1472 u.popen->max_bufsize = USB_FS_MAX_BUFSIZE; 1473 } 1474 if (u.popen->max_frames & USB_FS_MAX_FRAMES_PRE_SCALE) { 1475 pre_scale = 1; 1476 u.popen->max_frames &= ~USB_FS_MAX_FRAMES_PRE_SCALE; 1477 } else { 1478 pre_scale = 0; 1479 } 1480 if (u.popen->max_frames > USB_FS_MAX_FRAMES) { 1481 u.popen->max_frames = USB_FS_MAX_FRAMES; 1482 break; 1483 } 1484 if (u.popen->max_frames == 0) { 1485 error = EINVAL; 1486 break; 1487 } 1488 ep = usbd_get_ep_by_addr(f->udev, u.popen->ep_no); 1489 if (ep == NULL) { 1490 error = EINVAL; 1491 break; 1492 } 1493 ed = ep->edesc; 1494 if (ed == NULL) { 1495 error = ENXIO; 1496 break; 1497 } 1498 iface_index = ep->iface_index; 1499 1500 memset(usb_config, 0, sizeof(usb_config)); 1501 1502 usb_config[0].type = ed->bmAttributes & UE_XFERTYPE; 1503 usb_config[0].endpoint = ed->bEndpointAddress & UE_ADDR; 1504 usb_config[0].direction = ed->bEndpointAddress & (UE_DIR_OUT | UE_DIR_IN); 1505 usb_config[0].interval = USB_DEFAULT_INTERVAL; 1506 usb_config[0].flags.proxy_buffer = 1; 1507 if (pre_scale != 0) 1508 usb_config[0].flags.pre_scale_frames = 1; 1509 usb_config[0].callback = &ugen_ctrl_fs_callback; 1510 usb_config[0].timeout = 0; /* no timeout */ 1511 usb_config[0].frames = u.popen->max_frames; 1512 usb_config[0].bufsize = u.popen->max_bufsize; 1513 usb_config[0].usb_mode = USB_MODE_DUAL; /* both modes */ 1514 if (cmd == USB_FS_OPEN_STREAM) 1515 usb_config[0].stream_id = u.popen_stream->stream_id; 1516 1517 if (usb_config[0].type == UE_CONTROL) { 1518 if (f->udev->flags.usb_mode != USB_MODE_HOST) { 1519 error = EINVAL; 1520 break; 1521 } 1522 } else { 1523 1524 isread = ((usb_config[0].endpoint & 1525 (UE_DIR_IN | UE_DIR_OUT)) == UE_DIR_IN); 1526 1527 if (f->udev->flags.usb_mode != USB_MODE_HOST) { 1528 isread = !isread; 1529 } 1530 /* check permissions */ 1531 if (isread) { 1532 if (!(fflags & FREAD)) { 1533 error = EPERM; 1534 break; 1535 } 1536 } else { 1537 if (!(fflags & FWRITE)) { 1538 error = EPERM; 1539 break; 1540 } 1541 } 1542 } 1543 error = usbd_transfer_setup(f->udev, &iface_index, 1544 f->fs_xfer + u.popen->ep_index, usb_config, 1, 1545 f, f->priv_mtx); 1546 if (error == 0) { 1547 /* update maximums */ 1548 u.popen->max_packet_length = 1549 f->fs_xfer[u.popen->ep_index]->max_frame_size; 1550 u.popen->max_bufsize = 1551 f->fs_xfer[u.popen->ep_index]->max_data_length; 1552 /* update number of frames */ 1553 u.popen->max_frames = 1554 f->fs_xfer[u.popen->ep_index]->nframes; 1555 /* store index of endpoint */ 1556 f->fs_xfer[u.popen->ep_index]->priv_fifo = 1557 ((uint8_t *)0) + u.popen->ep_index; 1558 } else { 1559 error = ENOMEM; 1560 } 1561 break; 1562 1563 case USB_FS_CLOSE: 1564 if (u.pclose->ep_index >= f->fs_ep_max) { 1565 error = EINVAL; 1566 break; 1567 } 1568 if (f->fs_xfer[u.pclose->ep_index] == NULL) { 1569 error = EINVAL; 1570 break; 1571 } 1572 usbd_transfer_unsetup(f->fs_xfer + u.pclose->ep_index, 1); 1573 break; 1574 1575 case USB_FS_CLEAR_STALL_SYNC: 1576 if (u.pstall->ep_index >= f->fs_ep_max) { 1577 error = EINVAL; 1578 break; 1579 } 1580 if (f->fs_xfer[u.pstall->ep_index] == NULL) { 1581 error = EINVAL; 1582 break; 1583 } 1584 if (f->udev->flags.usb_mode != USB_MODE_HOST) { 1585 error = EINVAL; 1586 break; 1587 } 1588 mtx_lock(f->priv_mtx); 1589 error = usbd_transfer_pending(f->fs_xfer[u.pstall->ep_index]); 1590 mtx_unlock(f->priv_mtx); 1591 1592 if (error) { 1593 return (EBUSY); 1594 } 1595 ep = f->fs_xfer[u.pstall->ep_index]->endpoint; 1596 1597 /* setup a clear-stall packet */ 1598 req.bmRequestType = UT_WRITE_ENDPOINT; 1599 req.bRequest = UR_CLEAR_FEATURE; 1600 USETW(req.wValue, UF_ENDPOINT_HALT); 1601 req.wIndex[0] = ep->edesc->bEndpointAddress; 1602 req.wIndex[1] = 0; 1603 USETW(req.wLength, 0); 1604 1605 error = usbd_do_request(f->udev, NULL, &req, NULL); 1606 if (error == 0) { 1607 usbd_clear_data_toggle(f->udev, ep); 1608 } else { 1609 error = ENXIO; 1610 } 1611 break; 1612 1613 default: 1614 error = ENOIOCTL; 1615 break; 1616 } 1617 1618 DPRINTFN(6, "error=%d\n", error); 1619 1620 return (error); 1621 } 1622 1623 static int 1624 ugen_set_short_xfer(struct usb_fifo *f, void *addr) 1625 { 1626 uint8_t t; 1627 1628 if (*(int *)addr) 1629 t = 1; 1630 else 1631 t = 0; 1632 1633 if (f->flag_short == t) { 1634 /* same value like before - accept */ 1635 return (0); 1636 } 1637 if (f->xfer[0] || f->xfer[1]) { 1638 /* cannot change this during transfer */ 1639 return (EBUSY); 1640 } 1641 f->flag_short = t; 1642 return (0); 1643 } 1644 1645 static int 1646 ugen_set_timeout(struct usb_fifo *f, void *addr) 1647 { 1648 f->timeout = *(int *)addr; 1649 if (f->timeout > 65535) { 1650 /* limit user input */ 1651 f->timeout = 65535; 1652 } 1653 return (0); 1654 } 1655 1656 static int 1657 ugen_get_frame_size(struct usb_fifo *f, void *addr) 1658 { 1659 if (f->xfer[0]) { 1660 *(int *)addr = f->xfer[0]->max_frame_size; 1661 } else { 1662 return (EINVAL); 1663 } 1664 return (0); 1665 } 1666 1667 static int 1668 ugen_set_buffer_size(struct usb_fifo *f, void *addr) 1669 { 1670 usb_frlength_t t; 1671 1672 if (*(int *)addr < 0) 1673 t = 0; /* use "wMaxPacketSize" */ 1674 else if (*(int *)addr < (256 * 1024)) 1675 t = *(int *)addr; 1676 else 1677 t = 256 * 1024; 1678 1679 if (f->bufsize == t) { 1680 /* same value like before - accept */ 1681 return (0); 1682 } 1683 if (f->xfer[0] || f->xfer[1]) { 1684 /* cannot change this during transfer */ 1685 return (EBUSY); 1686 } 1687 f->bufsize = t; 1688 return (0); 1689 } 1690 1691 static int 1692 ugen_get_buffer_size(struct usb_fifo *f, void *addr) 1693 { 1694 *(int *)addr = f->bufsize; 1695 return (0); 1696 } 1697 1698 static int 1699 ugen_get_iface_desc(struct usb_fifo *f, 1700 struct usb_interface_descriptor *idesc) 1701 { 1702 struct usb_interface *iface; 1703 1704 iface = usbd_get_iface(f->udev, f->iface_index); 1705 if (iface && iface->idesc) { 1706 *idesc = *(iface->idesc); 1707 } else { 1708 return (EIO); 1709 } 1710 return (0); 1711 } 1712 1713 static int 1714 ugen_get_endpoint_desc(struct usb_fifo *f, 1715 struct usb_endpoint_descriptor *ed) 1716 { 1717 struct usb_endpoint *ep; 1718 1719 ep = usb_fifo_softc(f); 1720 1721 if (ep && ep->edesc) { 1722 *ed = *ep->edesc; 1723 } else { 1724 return (EINVAL); 1725 } 1726 return (0); 1727 } 1728 1729 static int 1730 ugen_set_power_mode(struct usb_fifo *f, int mode) 1731 { 1732 struct usb_device *udev = f->udev; 1733 int err; 1734 uint8_t old_mode; 1735 1736 if ((udev == NULL) || 1737 (udev->parent_hub == NULL)) { 1738 return (EINVAL); 1739 } 1740 err = priv_check(curthread, PRIV_DRIVER); 1741 if (err) 1742 return (err); 1743 1744 /* get old power mode */ 1745 old_mode = udev->power_mode; 1746 1747 /* if no change, then just return */ 1748 if (old_mode == mode) 1749 return (0); 1750 1751 switch (mode) { 1752 case USB_POWER_MODE_OFF: 1753 if (udev->flags.usb_mode == USB_MODE_HOST && 1754 udev->re_enumerate_wait == USB_RE_ENUM_DONE) { 1755 udev->re_enumerate_wait = USB_RE_ENUM_PWR_OFF; 1756 } 1757 /* set power mode will wake up the explore thread */ 1758 break; 1759 1760 case USB_POWER_MODE_ON: 1761 case USB_POWER_MODE_SAVE: 1762 break; 1763 1764 case USB_POWER_MODE_RESUME: 1765 #if USB_HAVE_POWERD 1766 /* let USB-powerd handle resume */ 1767 USB_BUS_LOCK(udev->bus); 1768 udev->pwr_save.write_refs++; 1769 udev->pwr_save.last_xfer_time = ticks; 1770 USB_BUS_UNLOCK(udev->bus); 1771 1772 /* set new power mode */ 1773 usbd_set_power_mode(udev, USB_POWER_MODE_SAVE); 1774 1775 /* wait for resume to complete */ 1776 usb_pause_mtx(NULL, hz / 4); 1777 1778 /* clear write reference */ 1779 USB_BUS_LOCK(udev->bus); 1780 udev->pwr_save.write_refs--; 1781 USB_BUS_UNLOCK(udev->bus); 1782 #endif 1783 mode = USB_POWER_MODE_SAVE; 1784 break; 1785 1786 case USB_POWER_MODE_SUSPEND: 1787 #if USB_HAVE_POWERD 1788 /* let USB-powerd handle suspend */ 1789 USB_BUS_LOCK(udev->bus); 1790 udev->pwr_save.last_xfer_time = ticks - (256 * hz); 1791 USB_BUS_UNLOCK(udev->bus); 1792 #endif 1793 mode = USB_POWER_MODE_SAVE; 1794 break; 1795 1796 default: 1797 return (EINVAL); 1798 } 1799 1800 if (err) 1801 return (ENXIO); /* I/O failure */ 1802 1803 /* if we are powered off we need to re-enumerate first */ 1804 if (old_mode == USB_POWER_MODE_OFF) { 1805 if (udev->flags.usb_mode == USB_MODE_HOST && 1806 udev->re_enumerate_wait == USB_RE_ENUM_DONE) { 1807 udev->re_enumerate_wait = USB_RE_ENUM_START; 1808 } 1809 /* set power mode will wake up the explore thread */ 1810 } 1811 1812 /* set new power mode */ 1813 usbd_set_power_mode(udev, mode); 1814 1815 return (0); /* success */ 1816 } 1817 1818 static int 1819 ugen_get_power_mode(struct usb_fifo *f) 1820 { 1821 struct usb_device *udev = f->udev; 1822 1823 if (udev == NULL) 1824 return (USB_POWER_MODE_ON); 1825 1826 return (udev->power_mode); 1827 } 1828 1829 static int 1830 ugen_get_port_path(struct usb_fifo *f, struct usb_device_port_path *dpp) 1831 { 1832 struct usb_device *udev = f->udev; 1833 struct usb_device *next; 1834 unsigned int nlevel = 0; 1835 1836 if (udev == NULL) 1837 goto error; 1838 1839 dpp->udp_bus = device_get_unit(udev->bus->bdev); 1840 dpp->udp_index = udev->device_index; 1841 1842 /* count port levels */ 1843 next = udev; 1844 while (next->parent_hub != NULL) { 1845 nlevel++; 1846 next = next->parent_hub; 1847 } 1848 1849 /* check if too many levels */ 1850 if (nlevel > USB_DEVICE_PORT_PATH_MAX) 1851 goto error; 1852 1853 /* store port index array */ 1854 next = udev; 1855 while (next->parent_hub != NULL) { 1856 nlevel--; 1857 1858 dpp->udp_port_no[nlevel] = next->port_no; 1859 dpp->udp_port_level = nlevel; 1860 1861 next = next->parent_hub; 1862 } 1863 return (0); /* success */ 1864 1865 error: 1866 return (EINVAL); /* failure */ 1867 } 1868 1869 static int 1870 ugen_get_power_usage(struct usb_fifo *f) 1871 { 1872 struct usb_device *udev = f->udev; 1873 1874 if (udev == NULL) 1875 return (0); 1876 1877 return (udev->power); 1878 } 1879 1880 static int 1881 ugen_do_port_feature(struct usb_fifo *f, uint8_t port_no, 1882 uint8_t set, uint16_t feature) 1883 { 1884 struct usb_device *udev = f->udev; 1885 struct usb_hub *hub; 1886 int err; 1887 1888 err = priv_check(curthread, PRIV_DRIVER); 1889 if (err) { 1890 return (err); 1891 } 1892 if (port_no == 0) { 1893 return (EINVAL); 1894 } 1895 if ((udev == NULL) || 1896 (udev->hub == NULL)) { 1897 return (EINVAL); 1898 } 1899 hub = udev->hub; 1900 1901 if (port_no > hub->nports) { 1902 return (EINVAL); 1903 } 1904 if (set) 1905 err = usbd_req_set_port_feature(udev, 1906 NULL, port_no, feature); 1907 else 1908 err = usbd_req_clear_port_feature(udev, 1909 NULL, port_no, feature); 1910 1911 if (err) 1912 return (ENXIO); /* failure */ 1913 1914 return (0); /* success */ 1915 } 1916 1917 static int 1918 ugen_iface_ioctl(struct usb_fifo *f, u_long cmd, void *addr, int fflags) 1919 { 1920 struct usb_fifo *f_rx; 1921 struct usb_fifo *f_tx; 1922 int error = 0; 1923 1924 f_rx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_RX]; 1925 f_tx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_TX]; 1926 1927 switch (cmd) { 1928 case USB_SET_RX_SHORT_XFER: 1929 if (fflags & FREAD) { 1930 error = ugen_set_short_xfer(f_rx, addr); 1931 } else { 1932 error = EINVAL; 1933 } 1934 break; 1935 1936 case USB_SET_TX_FORCE_SHORT: 1937 if (fflags & FWRITE) { 1938 error = ugen_set_short_xfer(f_tx, addr); 1939 } else { 1940 error = EINVAL; 1941 } 1942 break; 1943 1944 case USB_SET_RX_TIMEOUT: 1945 if (fflags & FREAD) { 1946 error = ugen_set_timeout(f_rx, addr); 1947 } else { 1948 error = EINVAL; 1949 } 1950 break; 1951 1952 case USB_SET_TX_TIMEOUT: 1953 if (fflags & FWRITE) { 1954 error = ugen_set_timeout(f_tx, addr); 1955 } else { 1956 error = EINVAL; 1957 } 1958 break; 1959 1960 case USB_GET_RX_FRAME_SIZE: 1961 if (fflags & FREAD) { 1962 error = ugen_get_frame_size(f_rx, addr); 1963 } else { 1964 error = EINVAL; 1965 } 1966 break; 1967 1968 case USB_GET_TX_FRAME_SIZE: 1969 if (fflags & FWRITE) { 1970 error = ugen_get_frame_size(f_tx, addr); 1971 } else { 1972 error = EINVAL; 1973 } 1974 break; 1975 1976 case USB_SET_RX_BUFFER_SIZE: 1977 if (fflags & FREAD) { 1978 error = ugen_set_buffer_size(f_rx, addr); 1979 } else { 1980 error = EINVAL; 1981 } 1982 break; 1983 1984 case USB_SET_TX_BUFFER_SIZE: 1985 if (fflags & FWRITE) { 1986 error = ugen_set_buffer_size(f_tx, addr); 1987 } else { 1988 error = EINVAL; 1989 } 1990 break; 1991 1992 case USB_GET_RX_BUFFER_SIZE: 1993 if (fflags & FREAD) { 1994 error = ugen_get_buffer_size(f_rx, addr); 1995 } else { 1996 error = EINVAL; 1997 } 1998 break; 1999 2000 case USB_GET_TX_BUFFER_SIZE: 2001 if (fflags & FWRITE) { 2002 error = ugen_get_buffer_size(f_tx, addr); 2003 } else { 2004 error = EINVAL; 2005 } 2006 break; 2007 2008 case USB_GET_RX_INTERFACE_DESC: 2009 if (fflags & FREAD) { 2010 error = ugen_get_iface_desc(f_rx, addr); 2011 } else { 2012 error = EINVAL; 2013 } 2014 break; 2015 2016 case USB_GET_TX_INTERFACE_DESC: 2017 if (fflags & FWRITE) { 2018 error = ugen_get_iface_desc(f_tx, addr); 2019 } else { 2020 error = EINVAL; 2021 } 2022 break; 2023 2024 case USB_GET_RX_ENDPOINT_DESC: 2025 if (fflags & FREAD) { 2026 error = ugen_get_endpoint_desc(f_rx, addr); 2027 } else { 2028 error = EINVAL; 2029 } 2030 break; 2031 2032 case USB_GET_TX_ENDPOINT_DESC: 2033 if (fflags & FWRITE) { 2034 error = ugen_get_endpoint_desc(f_tx, addr); 2035 } else { 2036 error = EINVAL; 2037 } 2038 break; 2039 2040 case USB_SET_RX_STALL_FLAG: 2041 if ((fflags & FREAD) && (*(int *)addr)) { 2042 f_rx->flag_stall = 1; 2043 } 2044 break; 2045 2046 case USB_SET_TX_STALL_FLAG: 2047 if ((fflags & FWRITE) && (*(int *)addr)) { 2048 f_tx->flag_stall = 1; 2049 } 2050 break; 2051 2052 default: 2053 error = ENOIOCTL; 2054 break; 2055 } 2056 return (error); 2057 } 2058 2059 static int 2060 ugen_ioctl_post(struct usb_fifo *f, u_long cmd, void *addr, int fflags) 2061 { 2062 union { 2063 struct usb_interface_descriptor *idesc; 2064 struct usb_alt_interface *ai; 2065 struct usb_device_descriptor *ddesc; 2066 struct usb_config_descriptor *cdesc; 2067 struct usb_device_stats *stat; 2068 struct usb_fs_init *pinit; 2069 struct usb_fs_uninit *puninit; 2070 struct usb_device_port_path *dpp; 2071 uint32_t *ptime; 2072 void *addr; 2073 int *pint; 2074 } u; 2075 struct usb_device_descriptor *dtemp; 2076 struct usb_config_descriptor *ctemp; 2077 struct usb_interface *iface; 2078 int error = 0; 2079 uint8_t n; 2080 2081 u.addr = addr; 2082 2083 DPRINTFN(6, "cmd=0x%08lx\n", cmd); 2084 2085 switch (cmd) { 2086 case USB_DISCOVER: 2087 usb_needs_explore_all(); 2088 break; 2089 2090 case USB_SETDEBUG: 2091 if (!(fflags & FWRITE)) { 2092 error = EPERM; 2093 break; 2094 } 2095 usb_debug = *(int *)addr; 2096 break; 2097 2098 case USB_GET_CONFIG: 2099 *(int *)addr = f->udev->curr_config_index; 2100 break; 2101 2102 case USB_SET_CONFIG: 2103 if (!(fflags & FWRITE)) { 2104 error = EPERM; 2105 break; 2106 } 2107 error = ugen_set_config(f, *(int *)addr); 2108 break; 2109 2110 case USB_GET_ALTINTERFACE: 2111 iface = usbd_get_iface(f->udev, 2112 u.ai->uai_interface_index); 2113 if (iface && iface->idesc) { 2114 u.ai->uai_alt_index = iface->alt_index; 2115 } else { 2116 error = EINVAL; 2117 } 2118 break; 2119 2120 case USB_SET_ALTINTERFACE: 2121 if (!(fflags & FWRITE)) { 2122 error = EPERM; 2123 break; 2124 } 2125 error = ugen_set_interface(f, 2126 u.ai->uai_interface_index, u.ai->uai_alt_index); 2127 break; 2128 2129 case USB_GET_DEVICE_DESC: 2130 dtemp = usbd_get_device_descriptor(f->udev); 2131 if (!dtemp) { 2132 error = EIO; 2133 break; 2134 } 2135 *u.ddesc = *dtemp; 2136 break; 2137 2138 case USB_GET_CONFIG_DESC: 2139 ctemp = usbd_get_config_descriptor(f->udev); 2140 if (!ctemp) { 2141 error = EIO; 2142 break; 2143 } 2144 *u.cdesc = *ctemp; 2145 break; 2146 2147 case USB_GET_FULL_DESC: 2148 error = ugen_get_cdesc(f, addr); 2149 break; 2150 2151 case USB_GET_STRING_DESC: 2152 error = ugen_get_sdesc(f, addr); 2153 break; 2154 2155 case USB_GET_IFACE_DRIVER: 2156 error = ugen_get_iface_driver(f, addr); 2157 break; 2158 2159 case USB_REQUEST: 2160 case USB_DO_REQUEST: 2161 if (!(fflags & FWRITE)) { 2162 error = EPERM; 2163 break; 2164 } 2165 error = ugen_do_request(f, addr); 2166 break; 2167 2168 case USB_DEVICEINFO: 2169 case USB_GET_DEVICEINFO: 2170 error = usb_gen_fill_deviceinfo(f, addr); 2171 break; 2172 2173 case USB_DEVICESTATS: 2174 for (n = 0; n != 4; n++) { 2175 2176 u.stat->uds_requests_fail[n] = 2177 f->udev->bus->stats_err.uds_requests[n]; 2178 2179 u.stat->uds_requests_ok[n] = 2180 f->udev->bus->stats_ok.uds_requests[n]; 2181 } 2182 break; 2183 2184 case USB_DEVICEENUMERATE: 2185 error = ugen_re_enumerate(f); 2186 break; 2187 2188 case USB_GET_PLUGTIME: 2189 *u.ptime = f->udev->plugtime; 2190 break; 2191 2192 case USB_CLAIM_INTERFACE: 2193 case USB_RELEASE_INTERFACE: 2194 /* TODO */ 2195 break; 2196 2197 case USB_IFACE_DRIVER_ACTIVE: 2198 2199 n = *u.pint & 0xFF; 2200 2201 iface = usbd_get_iface(f->udev, n); 2202 2203 if (iface && iface->subdev) 2204 error = 0; 2205 else 2206 error = ENXIO; 2207 break; 2208 2209 case USB_IFACE_DRIVER_DETACH: 2210 2211 error = priv_check(curthread, PRIV_DRIVER); 2212 2213 if (error) 2214 break; 2215 2216 n = *u.pint & 0xFF; 2217 2218 if (n == USB_IFACE_INDEX_ANY) { 2219 error = EINVAL; 2220 break; 2221 } 2222 2223 /* 2224 * Detach the currently attached driver. 2225 */ 2226 usb_detach_device(f->udev, n, 0); 2227 2228 /* 2229 * Set parent to self, this should keep attach away 2230 * until the next set configuration event. 2231 */ 2232 usbd_set_parent_iface(f->udev, n, n); 2233 break; 2234 2235 case USB_SET_POWER_MODE: 2236 error = ugen_set_power_mode(f, *u.pint); 2237 break; 2238 2239 case USB_GET_POWER_MODE: 2240 *u.pint = ugen_get_power_mode(f); 2241 break; 2242 2243 case USB_GET_DEV_PORT_PATH: 2244 error = ugen_get_port_path(f, u.dpp); 2245 break; 2246 2247 case USB_GET_POWER_USAGE: 2248 *u.pint = ugen_get_power_usage(f); 2249 break; 2250 2251 case USB_SET_PORT_ENABLE: 2252 error = ugen_do_port_feature(f, 2253 *u.pint, 1, UHF_PORT_ENABLE); 2254 break; 2255 2256 case USB_SET_PORT_DISABLE: 2257 error = ugen_do_port_feature(f, 2258 *u.pint, 0, UHF_PORT_ENABLE); 2259 break; 2260 2261 case USB_FS_INIT: 2262 /* verify input parameters */ 2263 if (u.pinit->pEndpoints == NULL) { 2264 error = EINVAL; 2265 break; 2266 } 2267 if (u.pinit->ep_index_max > 127) { 2268 error = EINVAL; 2269 break; 2270 } 2271 if (u.pinit->ep_index_max == 0) { 2272 error = EINVAL; 2273 break; 2274 } 2275 if (f->fs_xfer != NULL) { 2276 error = EBUSY; 2277 break; 2278 } 2279 if (f->dev_ep_index != 0) { 2280 error = EINVAL; 2281 break; 2282 } 2283 if (ugen_fifo_in_use(f, fflags)) { 2284 error = EBUSY; 2285 break; 2286 } 2287 error = usb_fifo_alloc_buffer(f, 1, u.pinit->ep_index_max); 2288 if (error) { 2289 break; 2290 } 2291 f->fs_xfer = malloc(sizeof(f->fs_xfer[0]) * 2292 u.pinit->ep_index_max, M_USB, M_WAITOK | M_ZERO); 2293 if (f->fs_xfer == NULL) { 2294 usb_fifo_free_buffer(f); 2295 error = ENOMEM; 2296 break; 2297 } 2298 f->fs_ep_max = u.pinit->ep_index_max; 2299 f->fs_ep_ptr = u.pinit->pEndpoints; 2300 break; 2301 2302 case USB_FS_UNINIT: 2303 if (u.puninit->dummy != 0) { 2304 error = EINVAL; 2305 break; 2306 } 2307 error = ugen_fs_uninit(f); 2308 break; 2309 2310 default: 2311 mtx_lock(f->priv_mtx); 2312 error = ugen_iface_ioctl(f, cmd, addr, fflags); 2313 mtx_unlock(f->priv_mtx); 2314 break; 2315 } 2316 DPRINTFN(6, "error=%d\n", error); 2317 return (error); 2318 } 2319 2320 static void 2321 ugen_ctrl_fs_callback(struct usb_xfer *xfer, usb_error_t error) 2322 { 2323 ; /* workaround for a bug in "indent" */ 2324 2325 DPRINTF("st=%u alen=%u aframes=%u\n", 2326 USB_GET_STATE(xfer), xfer->actlen, xfer->aframes); 2327 2328 switch (USB_GET_STATE(xfer)) { 2329 case USB_ST_SETUP: 2330 usbd_transfer_submit(xfer); 2331 break; 2332 default: 2333 ugen_fs_set_complete(xfer->priv_sc, USB_P2U(xfer->priv_fifo)); 2334 break; 2335 } 2336 } 2337 #endif /* USB_HAVE_UGEN */ 2338