1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2010 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* 28 * Copyright 2019 Peter Tribble. 29 */ 30 31 /* 32 * This module performs two functions. First, it kicks off the driver loading 33 * of the console devices during boot in dynamic_console_config(). 34 * The loading of the drivers for the console devices triggers the 35 * additional device autoconfiguration to link the drivers into the keyboard 36 * and mouse console streams. 37 * 38 * The second function of this module is to provide the dacf functions 39 * to be called after a driver has attached and before it detaches. For 40 * example, a driver associated with the keyboard will have kb_config called 41 * after the driver attaches and kb_unconfig before it detaches. Similar 42 * configuration actions are performed on behalf of minor nodes representing 43 * mice. The configuration functions for the attach case take a module 44 * name as a parameter. The module is pushed on top of the driver during 45 * the configuration. 46 * 47 * Although the dacf framework is used to configure all keyboards and mice, 48 * its primary function is to allow keyboard and mouse hotplugging. 49 * 50 * This module supports multiple keyboards and mice at the same time. 51 * 52 * From the kernel perspective, there are roughly three different possible 53 * console configurations. Across these three configurations, the following 54 * elements are constant: 55 * wsconsvp = IWSCN_PATH 56 * rwsconsvp = WC_PATH 57 * consms -> msdev 58 * 59 * The "->" syntax indicates that the streams device on the right is 60 * linked under the streams device on the left. 61 * 62 * The following lists how the system is configured for different setups: 63 * 64 * stdin is a local keyboard. use stdin and stdout as the console. 65 * sp->cons_input_type = CONSOLE_LOCAL 66 * rconsvp = IWSCN_PATH 67 * wc -> conskbd -> kbddev 68 * 69 * stdin is not a keyboard and stdin is the same as stdout. 70 * assume we running on a tip line and use stdin/stdout as the console. 71 * sp->cons_input_type = CONSOLE_TIP 72 * rconsvp = (stdindev/stdoutdev) 73 * wc -> conskbd -> kbddev 74 * 75 * stdin is not a keyboard device and it's not the same as stdout. 76 * assume we have a serial keyboard hooked up and use it along with 77 * stdout as the console. 78 * sp->cons_input_type = CONSOLE_SERIAL_KEYBOARD 79 * rconsvp = IWSCN_PATH 80 * wc -> stdindev 81 * conskbd -> kbddev 82 * 83 * CAVEAT: 84 * The above is all true except for one possible Intel configuration. 85 * If stdin is set to a local keyboard but stdout is set to something 86 * other than the local display (a tip port for example) stdout will 87 * still go to the local display. This is an artifact of the console 88 * implementation on intel. 89 */ 90 91 #include <sys/types.h> 92 #include <sys/param.h> 93 #include <sys/cmn_err.h> 94 #include <sys/user.h> 95 #include <sys/vfs.h> 96 #include <sys/vnode.h> 97 #include <sys/pathname.h> 98 #include <sys/systm.h> 99 #include <sys/file.h> 100 #include <sys/stropts.h> 101 #include <sys/stream.h> 102 #include <sys/strsubr.h> 103 104 #include <sys/consdev.h> 105 #include <sys/console.h> 106 #include <sys/wscons.h> 107 #include <sys/kbio.h> 108 #include <sys/debug.h> 109 #include <sys/reboot.h> 110 #include <sys/termios.h> 111 112 #include <sys/ddi.h> 113 #include <sys/sunddi.h> 114 #include <sys/sunldi.h> 115 #include <sys/sunndi.h> 116 #include <sys/ndi_impldefs.h> 117 #include <sys/modctl.h> 118 #include <sys/ddi_impldefs.h> 119 #include <sys/ddi_implfuncs.h> 120 #include <sys/promif.h> 121 #include <sys/fs/snode.h> 122 123 #include <sys/errno.h> 124 #include <sys/devops.h> 125 #include <sys/note.h> 126 127 #include <sys/tem_impl.h> 128 #include <sys/polled_io.h> 129 #include <sys/kmem.h> 130 #include <sys/dacf.h> 131 #include <sys/consconfig_dacf.h> 132 #include <sys/consplat.h> 133 #include <sys/log.h> 134 #include <sys/disp.h> 135 136 /* 137 * External global variables 138 */ 139 extern vnode_t *rconsvp; 140 extern dev_t rwsconsdev; 141 142 /* 143 * External functions 144 */ 145 extern uintptr_t space_fetch(char *key); 146 extern int space_store(char *key, uintptr_t ptr); 147 148 /* 149 * Tasks 150 */ 151 static int kb_config(dacf_infohdl_t, dacf_arghdl_t, int); 152 static int kb_unconfig(dacf_infohdl_t, dacf_arghdl_t, int); 153 static int ms_config(dacf_infohdl_t, dacf_arghdl_t, int); 154 static int ms_unconfig(dacf_infohdl_t, dacf_arghdl_t, int); 155 156 /* 157 * Internal functions 158 */ 159 static int consconfig_setmodes(dev_t dev, struct termios *termiosp); 160 static void consconfig_check_phys_kbd(cons_state_t *); 161 static void consconfig_rem_dev(cons_state_t *, dev_t); 162 static void consconfig_add_dev(cons_state_t *, cons_prop_t *); 163 static cons_prop_t *consconfig_find_dev(cons_state_t *, dev_t); 164 static void consconfig_free_prop(cons_prop_t *prop); 165 static void flush_deferred_console_buf(void); 166 167 168 /* 169 * On supported configurations, the firmware defines the keyboard and mouse 170 * paths. However, during USB development, it is useful to be able to use 171 * the USB keyboard and mouse on machines without full USB firmware support. 172 * These variables may be set in /etc/system according to a machine's 173 * USB configuration. This module will override the firmware's values 174 * with these. 175 * 176 * NOTE: 177 * The master copies of these variables in the misc/consconfig module. 178 * The reason for this is historic. In versions of solaris up to and 179 * including solaris 9 the conscole configuration code was split into a 180 * seperate sparc and intel version. These variables were defined 181 * in misc/consconfig on sparc and dacf/consconfig_dacf on intel. 182 * 183 * Unfortunatly the sparc variables were well documented. 184 * So to aviod breaking either sparc or intel we'll declare the variables 185 * in both modules. This will allow any /etc/system entries that 186 * users may have to continue working. 187 * 188 * The variables in misc/consconfig will take precedence over the variables 189 * found in this file. Since we eventually want to remove the variables 190 * local to this this file, if the user set them we'll emmit an error 191 * message telling them they need to set the variables in misc/consconfig 192 * instead. 193 */ 194 static char *usb_kb_path = NULL; 195 static char *usb_ms_path = NULL; 196 197 /* 198 * Access functions in the misc/consconfig module used to retrieve the 199 * values of it local usb_kb_path and usb_ms_path variables 200 */ 201 extern char *consconfig_get_usb_kb_path(); 202 extern char *consconfig_get_usb_ms_path(); 203 204 /* 205 * Local variables used to store the value of the usb_kb_path and 206 * usb_ms_path variables found in misc/consconfig 207 */ 208 static char *consconfig_usb_kb_path = NULL; 209 static char *consconfig_usb_ms_path = NULL; 210 211 /* 212 * Internal variables 213 */ 214 static dev_t stdoutdev; 215 static cons_state_t *consconfig_sp; 216 217 /* 218 * consconfig_errlevel: debug verbosity; smaller numbers are more 219 * verbose. 220 */ 221 int consconfig_errlevel = DPRINT_L3; 222 223 /* 224 * Baud rate table 225 */ 226 static struct speed { 227 char *name; 228 int code; 229 } speedtab[] = { 230 {"0", B0}, {"50", B50}, {"75", B75}, 231 {"110", B110}, {"134", B134}, {"150", B150}, 232 {"200", B200}, {"300", B300}, {"600", B600}, 233 {"1200", B1200}, {"1800", B1800}, {"2400", B2400}, 234 {"4800", B4800}, {"9600", B9600}, {"19200", B19200}, 235 {"38400", B38400}, {"57600", B57600}, {"76800", B76800}, 236 {"115200", B115200}, {"153600", B153600}, {"230400", B230400}, 237 {"307200", B307200}, {"460800", B460800}, {"921600", B921600}, 238 {"", 0} 239 }; 240 241 static const int MAX_SPEEDS = sizeof (speedtab) / sizeof (speedtab[0]); 242 243 static dacf_op_t kbconfig_op[] = { 244 { DACF_OPID_POSTATTACH, kb_config }, 245 { DACF_OPID_PREDETACH, kb_unconfig }, 246 { DACF_OPID_END, NULL }, 247 }; 248 249 static dacf_op_t msconfig_op[] = { 250 { DACF_OPID_POSTATTACH, ms_config }, 251 { DACF_OPID_PREDETACH, ms_unconfig }, 252 { DACF_OPID_END, NULL }, 253 }; 254 255 static dacf_opset_t opsets[] = { 256 { "kb_config", kbconfig_op }, 257 { "ms_config", msconfig_op }, 258 { NULL, NULL } 259 }; 260 261 struct dacfsw dacfsw = { 262 DACF_MODREV_1, 263 opsets, 264 }; 265 266 static struct modldacf modldacf = { 267 &mod_dacfops, /* Type of module */ 268 "Consconfig DACF", 269 &dacfsw 270 }; 271 272 static struct modlinkage modlinkage = { 273 MODREV_1, (void *)&modldacf, NULL 274 }; 275 276 int 277 _init(void) 278 { 279 return (mod_install(&modlinkage)); 280 } 281 282 int 283 _fini(void) 284 { 285 /* 286 * This modules state is held in the kernel by space.c 287 * allowing this module to be unloaded. 288 */ 289 return (mod_remove(&modlinkage)); 290 } 291 292 int 293 _info(struct modinfo *modinfop) 294 { 295 return (mod_info(&modlinkage, modinfop)); 296 } 297 298 /*PRINTFLIKE2*/ 299 static void consconfig_dprintf(int, const char *, ...) 300 __KPRINTFLIKE(2); 301 302 static void 303 consconfig_dprintf(int l, const char *fmt, ...) 304 { 305 va_list ap; 306 307 #ifndef DEBUG 308 if (!l) { 309 return; 310 } 311 #endif /* DEBUG */ 312 if (l < consconfig_errlevel) { 313 return; 314 } 315 316 va_start(ap, fmt); 317 (void) vprintf(fmt, ap); 318 va_end(ap); 319 } 320 321 /* 322 * Return a property value for the specified alias in /aliases. 323 */ 324 char * 325 get_alias(char *alias, char *buf) 326 { 327 pnode_t node; 328 int len; 329 330 /* The /aliases node only exists in OBP >= 2.4. */ 331 if ((node = prom_alias_node()) == OBP_BADNODE) 332 return (NULL); 333 334 if ((len = prom_getproplen(node, (caddr_t)alias)) <= 0) 335 return (NULL); 336 337 (void) prom_getprop(node, (caddr_t)alias, (caddr_t)buf); 338 339 /* 340 * The IEEE 1275 standard specifies that /aliases string property 341 * values should be null-terminated. Unfortunatly the reality 342 * is that most aren't and the OBP can't easily be modified to 343 * add null termination to these strings. So we'll add the 344 * null termination here. If the string already contains a 345 * null termination character then that's ok too because we'll 346 * just be adding a second one. 347 */ 348 buf[len] = '\0'; 349 350 prom_pathname(buf); 351 return (buf); 352 } 353 354 /* 355 * i_consconfig_createvp: 356 * This routine is a convenience routine that is passed a path and returns 357 * a vnode. 358 */ 359 static vnode_t * 360 i_consconfig_createvp(char *path) 361 { 362 int error; 363 vnode_t *vp; 364 char *buf = NULL, *fullpath; 365 366 DPRINTF(DPRINT_L0, "i_consconfig_createvp: %s\n", path); 367 fullpath = kmem_alloc(MAXPATHLEN, KM_SLEEP); 368 369 if (strchr(path, ':') == NULL) { 370 /* convert an OBP path to a /devices path */ 371 buf = kmem_alloc(MAXPATHLEN, KM_SLEEP); 372 if (i_ddi_prompath_to_devfspath(path, buf) != DDI_SUCCESS) { 373 kmem_free(buf, MAXPATHLEN); 374 kmem_free(fullpath, MAXPATHLEN); 375 return (NULL); 376 } 377 (void) snprintf(fullpath, MAXPATHLEN, "/devices%s", buf); 378 kmem_free(buf, MAXPATHLEN); 379 } else { 380 /* convert a devfs path to a /devices path */ 381 (void) snprintf(fullpath, MAXPATHLEN, "/devices%s", path); 382 } 383 384 DPRINTF(DPRINT_L0, "lookupname(%s)\n", fullpath); 385 error = lookupname(fullpath, UIO_SYSSPACE, FOLLOW, NULLVPP, &vp); 386 kmem_free(fullpath, MAXPATHLEN); 387 if (error) 388 return (NULL); 389 390 DPRINTF(DPRINT_L0, "create vnode = 0x%p - dev 0x%lx\n", vp, vp->v_rdev); 391 ASSERT(vn_matchops(vp, spec_getvnodeops())); 392 393 return (vp); 394 } 395 396 /* 397 * consconfig_print_paths: 398 * Function to print out the various paths 399 */ 400 static void 401 consconfig_print_paths(void) 402 { 403 char *path; 404 405 if (usb_kb_path != NULL) 406 cmn_err(CE_WARN, 407 "consconfig_dacf:usb_kb_path has been deprecated, " 408 "use consconfig:usb_kb_path instead"); 409 410 if (usb_ms_path != NULL) 411 cmn_err(CE_WARN, 412 "consconfig_dacf:usb_ms_path has been deprecated, " 413 "use consconfig:usb_ms_path instead"); 414 415 if (consconfig_errlevel > DPRINT_L0) 416 return; 417 418 path = NULL; 419 if (consconfig_usb_kb_path != NULL) 420 path = consconfig_usb_kb_path; 421 else if (usb_kb_path != NULL) 422 path = usb_kb_path; 423 if (path != NULL) 424 DPRINTF(DPRINT_L0, "usb keyboard path = %s\n", path); 425 426 path = plat_kbdpath(); 427 if (path != NULL) 428 DPRINTF(DPRINT_L0, "keyboard path = %s\n", path); 429 430 path = NULL; 431 if (consconfig_usb_ms_path != NULL) 432 path = consconfig_usb_ms_path; 433 else if (usb_ms_path != NULL) 434 path = usb_ms_path; 435 if (path != NULL) 436 DPRINTF(DPRINT_L0, "usb mouse path = %s\n", path); 437 438 path = plat_mousepath(); 439 if (path != NULL) 440 DPRINTF(DPRINT_L0, "mouse path = %s\n", path); 441 442 path = plat_stdinpath(); 443 if (path != NULL) 444 DPRINTF(DPRINT_L0, "stdin path = %s\n", path); 445 446 path = plat_stdoutpath(); 447 if (path != NULL) 448 DPRINTF(DPRINT_L0, "stdout path = %s\n", path); 449 450 path = plat_diagpath(); 451 if (path != NULL) 452 DPRINTF(DPRINT_L0, "diag path = %s\n", path); 453 454 path = plat_fbpath(); 455 if (path != NULL) 456 DPRINTF(DPRINT_L0, "fb path = %s\n", path); 457 } 458 459 /* 460 * consconfig_kbd_abort_enable: 461 * Send the CONSSETABORTENABLE ioctl to the lower layers. This ioctl 462 * will only be sent to the device if it is the console device. 463 * This ioctl tells the device to pay attention to abort sequences. 464 * In the case of kbtrans, this would tell the driver to pay attention 465 * to the two key abort sequences like STOP-A. In the case of the 466 * serial keyboard, it would be an abort sequence like a break. 467 */ 468 static int 469 consconfig_kbd_abort_enable(ldi_handle_t lh) 470 { 471 int err, rval; 472 473 DPRINTF(DPRINT_L0, "consconfig_kbd_abort_enable\n"); 474 475 err = ldi_ioctl(lh, CONSSETABORTENABLE, (uintptr_t)B_TRUE, 476 FKIOCTL, kcred, &rval); 477 return (err); 478 } 479 480 /* 481 * consconfig_kbd_abort_disable: 482 * Send CONSSETABORTENABLE ioctl to lower layers. This ioctl 483 * will only be sent to the device if it is the console device. 484 * This ioctl tells the physical device to ignore abort sequences, 485 * and send the sequences up to virtual keyboard(conskbd) so that 486 * STOP and A (or F1 and A) can be combined. 487 */ 488 static int 489 consconfig_kbd_abort_disable(ldi_handle_t lh) 490 { 491 int err, rval; 492 493 DPRINTF(DPRINT_L0, "consconfig_kbd_abort_disable\n"); 494 495 err = ldi_ioctl(lh, CONSSETABORTENABLE, (uintptr_t)B_FALSE, 496 FKIOCTL, kcred, &rval); 497 return (err); 498 } 499 500 #ifdef _HAVE_TEM_FIRMWARE 501 static int 502 consconfig_tem_supported(cons_state_t *sp) 503 { 504 dev_t dev; 505 dev_info_t *dip; 506 int *int_array; 507 uint_t nint; 508 int rv = 0; 509 510 if (sp->cons_fb_path == NULL) 511 return (0); 512 513 if ((dev = ddi_pathname_to_dev_t(sp->cons_fb_path)) == NODEV) 514 return (0); /* warning printed later by common code */ 515 516 /* 517 * Here we hold the driver and check "tem-support" property. 518 * We're doing this with e_ddi_hold_devi_by_dev and 519 * ddi_prop_lookup_int_array without opening the driver since 520 * some video cards that don't support the kernel terminal 521 * emulator could hang or crash if opened too early during 522 * boot. 523 */ 524 if ((dip = e_ddi_hold_devi_by_dev(dev, 0)) == NULL) { 525 cmn_err(CE_WARN, "consconfig: cannot hold fb dev %s", 526 sp->cons_fb_path); 527 return (0); 528 } 529 530 /* 531 * Check that the tem-support property exists AND that 532 * it is equal to 1. 533 */ 534 if (ddi_prop_lookup_int_array(DDI_DEV_T_ANY, dip, 535 DDI_PROP_DONTPASS, "tem-support", &int_array, &nint) == 536 DDI_SUCCESS) { 537 if (nint > 0) 538 rv = int_array[0] == 1; 539 ddi_prop_free(int_array); 540 } 541 542 ddi_release_devi(dip); 543 544 return (rv); 545 } 546 #endif /* _HAVE_TEM_FIRMWARE */ 547 548 /* 549 * consconfig_get_polledio: 550 * Query the console with the CONSPOLLEDIO ioctl. 551 * The polled I/O routines are used by debuggers to perform I/O while 552 * interrupts and normal kernel services are disabled. 553 */ 554 static cons_polledio_t * 555 consconfig_get_polledio(ldi_handle_t lh) 556 { 557 int err, rval; 558 struct strioctl strioc; 559 cons_polledio_t *polled_io; 560 561 /* 562 * Setup the ioctl to be sent down to the lower driver. 563 */ 564 strioc.ic_cmd = CONSOPENPOLLEDIO; 565 strioc.ic_timout = INFTIM; 566 strioc.ic_len = sizeof (polled_io); 567 strioc.ic_dp = (char *)&polled_io; 568 569 /* 570 * Send the ioctl to the driver. The ioctl will wait for 571 * the response to come back from wc. wc has already issued 572 * the CONSOPENPOLLEDIO to the lower layer driver. 573 */ 574 err = ldi_ioctl(lh, I_STR, (intptr_t)&strioc, FKIOCTL, kcred, &rval); 575 576 if (err != 0) { 577 /* 578 * If the lower driver does not support polled I/O, then 579 * return NULL. This will be the case if the driver does 580 * not handle polled I/O, or OBP is going to handle polled 581 * I/O for the device. 582 */ 583 584 return (NULL); 585 } 586 587 /* 588 * Return the polled I/O structure. 589 */ 590 return (polled_io); 591 } 592 593 /* 594 * consconfig_setup_polledio: 595 * This routine does the setup work for polled I/O. First we get 596 * the polled_io structure from the lower layers 597 * and then we register the polled I/O 598 * callbacks with the debugger that will be using them. 599 */ 600 static void 601 consconfig_setup_polledio(cons_state_t *sp, dev_t dev) 602 { 603 cons_polledio_t *polled_io; 604 ldi_handle_t lh; 605 606 DPRINTF(DPRINT_L0, "consconfig_setup_polledio: start\n"); 607 608 609 if (ldi_open_by_dev(&dev, OTYP_CHR, 610 FREAD|FWRITE|FNOCTTY, kcred, &lh, sp->cons_li) != 0) 611 return; 612 613 614 /* 615 * Get the polled io routines so that we can use this 616 * device with the debuggers. 617 */ 618 polled_io = consconfig_get_polledio(lh); 619 620 /* 621 * If the get polledio failed, then we do not want to throw 622 * the polled I/O switch. 623 */ 624 if (polled_io == NULL) { 625 DPRINTF(DPRINT_L0, 626 "consconfig_setup_polledio: get_polledio failed\n"); 627 (void) ldi_close(lh, FREAD|FWRITE, kcred); 628 return; 629 } 630 631 /* Initialize the polled input */ 632 polled_io_init(); 633 634 /* Register the callbacks */ 635 DPRINTF(DPRINT_L0, 636 "consconfig_setup_polledio: registering callbacks\n"); 637 (void) polled_io_register_callbacks(polled_io, 0); 638 639 (void) ldi_close(lh, FREAD|FWRITE, kcred); 640 641 DPRINTF(DPRINT_L0, "consconfig_setup_polledio: end\n"); 642 } 643 644 static cons_state_t * 645 consconfig_state_init(void) 646 { 647 cons_state_t *sp; 648 int rval; 649 650 /* Initialize console information */ 651 sp = kmem_zalloc(sizeof (cons_state_t), KM_SLEEP); 652 sp->cons_keyboard_problem = B_FALSE; 653 654 mutex_init(&sp->cons_lock, NULL, MUTEX_DRIVER, NULL); 655 656 /* check if consconfig:usb_kb_path is set in /etc/system */ 657 consconfig_usb_kb_path = consconfig_get_usb_kb_path(); 658 659 /* check if consconfig:usb_ms_path is set in /etc/system */ 660 consconfig_usb_ms_path = consconfig_get_usb_ms_path(); 661 662 consconfig_print_paths(); 663 664 /* init external globals */ 665 stdoutdev = NODEV; 666 667 /* 668 * Find keyboard, mouse, stdin, stdout and diag devices, if they 669 * exist on this platform. 670 */ 671 sp->cons_diag_path = plat_diagpath(); 672 673 if (consconfig_usb_kb_path != NULL) { 674 sp->cons_keyboard_path = consconfig_usb_kb_path; 675 } else if (usb_kb_path != NULL) { 676 sp->cons_keyboard_path = usb_kb_path; 677 } else { 678 sp->cons_keyboard_path = plat_kbdpath(); 679 } 680 681 if (consconfig_usb_ms_path != NULL) { 682 sp->cons_mouse_path = consconfig_usb_ms_path; 683 } else if (usb_ms_path != NULL) { 684 sp->cons_mouse_path = usb_ms_path; 685 } else { 686 sp->cons_mouse_path = plat_mousepath(); 687 } 688 689 /* Identify the stdout driver */ 690 sp->cons_stdout_path = plat_stdoutpath(); 691 sp->cons_stdout_is_fb = plat_stdout_is_framebuffer(); 692 693 sp->cons_stdin_is_kbd = plat_stdin_is_keyboard(); 694 695 if (sp->cons_stdin_is_kbd && 696 (usb_kb_path != NULL || consconfig_usb_kb_path != NULL)) { 697 sp->cons_stdin_path = sp->cons_keyboard_path; 698 } else { 699 /* 700 * The standard in device may or may not be the same as 701 * the keyboard. Even if the keyboard is not the 702 * standard input, the keyboard console stream will 703 * still be built if the keyboard alias provided by the 704 * firmware exists and is valid. 705 */ 706 sp->cons_stdin_path = plat_stdinpath(); 707 } 708 709 if (sp->cons_stdout_is_fb) { 710 sp->cons_fb_path = sp->cons_stdout_path; 711 712 #ifdef _HAVE_TEM_FIRMWARE 713 sp->cons_tem_supported = consconfig_tem_supported(sp); 714 715 /* 716 * Systems which offer a virtual console must use that 717 * as a fallback whenever the fb doesn't support tem. 718 * Such systems cannot render characters to the screen 719 * using OBP. 720 */ 721 if (!sp->cons_tem_supported) { 722 char *path; 723 724 if (plat_virtual_console_path(&path) >= 0) { 725 sp->cons_stdin_is_kbd = 0; 726 sp->cons_stdout_is_fb = 0; 727 sp->cons_stdin_path = path; 728 sp->cons_stdout_path = path; 729 sp->cons_fb_path = plat_fbpath(); 730 731 cmn_err(CE_WARN, 732 "%s doesn't support terminal emulation " 733 "mode; switching to virtual console.", 734 sp->cons_fb_path); 735 } 736 } 737 #endif /* _HAVE_TEM_FIRMWARE */ 738 } else { 739 sp->cons_fb_path = plat_fbpath(); 740 #ifdef _HAVE_TEM_FIRMWARE 741 sp->cons_tem_supported = consconfig_tem_supported(sp); 742 #endif /* _HAVE_TEM_FIRMWARE */ 743 } 744 745 sp->cons_li = ldi_ident_from_anon(); 746 747 /* Save the pointer for retrieval by the dacf functions */ 748 rval = space_store("consconfig", (uintptr_t)sp); 749 ASSERT(rval == 0); 750 751 return (sp); 752 } 753 754 static int 755 consconfig_relink_wc(cons_state_t *sp, ldi_handle_t new_lh, int *muxid) 756 { 757 int err, rval; 758 ldi_handle_t wc_lh; 759 dev_t wc_dev; 760 761 ASSERT(muxid != NULL); 762 763 /* 764 * NOTE: we could be in a dacf callback context right now. normally 765 * it's not legal to call any ldi_open_*() function from this context 766 * because we're currently holding device tree locks and if the 767 * ldi_open_*() call could try to acquire other device tree locks 768 * (to attach the device we're trying to open.) if this happens then 769 * we could deadlock. To avoid this situation, during initialization 770 * we made sure to grab a hold on the dip of the device we plan to 771 * open so that it can never be detached. Then we use 772 * ldi_open_by_dev() to actually open the device since it will see 773 * that the device is already attached and held and instead of 774 * acquire any locks it will only increase the reference count 775 * on the device. 776 */ 777 wc_dev = sp->cons_wc_vp->v_rdev; 778 err = ldi_open_by_dev(&wc_dev, OTYP_CHR, FREAD|FWRITE|FNOCTTY, 779 kcred, &wc_lh, sp->cons_li); 780 ASSERT(wc_dev == sp->cons_wc_vp->v_rdev); 781 if (err) { 782 cmn_err(CE_WARN, "consconfig_relink_wc: " 783 "unable to open wc device"); 784 return (err); 785 } 786 787 if (new_lh != NULL) { 788 DPRINTF(DPRINT_L0, "linking stream under wc\n"); 789 790 err = ldi_ioctl(wc_lh, I_PLINK, (uintptr_t)new_lh, 791 FKIOCTL, kcred, muxid); 792 if (err != 0) { 793 cmn_err(CE_WARN, "consconfig_relink_wc: " 794 "wc link failed, error %d", err); 795 } 796 } else { 797 DPRINTF(DPRINT_L0, "unlinking stream from under wc\n"); 798 799 err = ldi_ioctl(wc_lh, I_PUNLINK, *muxid, 800 FKIOCTL, kcred, &rval); 801 if (err != 0) { 802 cmn_err(CE_WARN, "consconfig_relink_wc: " 803 "wc unlink failed, error %d", err); 804 } else { 805 *muxid = -1; 806 } 807 } 808 809 (void) ldi_close(wc_lh, FREAD|FWRITE, kcred); 810 return (err); 811 } 812 813 static void 814 cons_build_upper_layer(cons_state_t *sp) 815 { 816 ldi_handle_t wc_lh; 817 struct strioctl strioc; 818 int rval; 819 dev_t dev; 820 dev_t wc_dev; 821 822 /* 823 * Build the wc->conskbd portion of the keyboard console stream. 824 * Even if no keyboard is attached to the system, the upper 825 * layer of the stream will be built. If the user attaches 826 * a keyboard after the system is booted, the keyboard driver 827 * and module will be linked under conskbd. 828 * 829 * Errors are generally ignored here because conskbd and wc 830 * are pseudo drivers and should be present on the system. 831 */ 832 833 /* open the console keyboard device. will never be closed */ 834 if (ldi_open_by_name(CONSKBD_PATH, FREAD|FWRITE|FNOCTTY, 835 kcred, &sp->conskbd_lh, sp->cons_li) != 0) { 836 panic("consconfig: unable to open conskbd device"); 837 /*NOTREACHED*/ 838 } 839 840 DPRINTF(DPRINT_L0, "conskbd_lh = %p\n", sp->conskbd_lh); 841 842 /* open the console mouse device. will never be closed */ 843 if (ldi_open_by_name(CONSMS_PATH, FREAD|FWRITE|FNOCTTY, 844 kcred, &sp->consms_lh, sp->cons_li) != 0) { 845 panic("consconfig: unable to open consms device"); 846 /*NOTREACHED*/ 847 } 848 849 DPRINTF(DPRINT_L0, "consms_lh = %p\n", sp->consms_lh); 850 851 /* 852 * Get a vnode for the wc device and then grab a hold on the 853 * device dip so it can never detach. We need to do this now 854 * because later we'll have to open the wc device in a context 855 * were it isn't safe to acquire any device tree locks (ie, during 856 * a dacf callback.) 857 */ 858 sp->cons_wc_vp = i_consconfig_createvp(WC_PATH); 859 if (sp->cons_wc_vp == NULL) 860 panic("consconfig: unable to find wc device"); 861 862 if (e_ddi_hold_devi_by_dev(sp->cons_wc_vp->v_rdev, 0) == NULL) 863 panic("consconfig: unable to hold wc device"); 864 865 /* 866 * Build the wc->conskbd portion of the keyboard console stream. 867 * Even if no keyboard is attached to the system, the upper 868 * layer of the stream will be built. If the user attaches 869 * a keyboard after the system is booted, the keyboard driver 870 * and module will be linked under conskbd. 871 * 872 * The act of linking conskbd under wc will cause wc to 873 * query the lower layers about their polled I/O routines 874 * using CONSOPENPOLLEDIO. This will fail on this link because 875 * there is not a physical keyboard linked under conskbd. 876 * 877 * Since conskbd and wc are pseudo drivers, errors are 878 * generally ignored when linking and unlinking them. 879 */ 880 (void) consconfig_relink_wc(sp, sp->conskbd_lh, &sp->conskbd_muxid); 881 882 /* 883 * Get a vnode for the redirection device. (It has the 884 * connection to the workstation console device wired into it, 885 * so that it's not necessary to establish the connection 886 * here. If the redirection device is ever generalized to 887 * handle multiple client devices, it won't be able to 888 * establish the connection itself, and we'll have to do it 889 * here.) 890 */ 891 wsconsvp = i_consconfig_createvp(IWSCN_PATH); 892 if (wsconsvp == NULL) { 893 panic("consconfig: unable to find iwscn device"); 894 /*NOTREACHED*/ 895 } 896 897 if (cons_tem_disable) 898 return; 899 900 if (sp->cons_fb_path == NULL) { 901 #if defined(__x86) 902 if (sp->cons_stdout_is_fb) 903 cmn_err(CE_WARN, "consconfig: no screen found"); 904 #endif 905 return; 906 } 907 908 /* make sure the frame buffer device exists */ 909 dev = ddi_pathname_to_dev_t(sp->cons_fb_path); 910 if (dev == NODEV) { 911 cmn_err(CE_WARN, "consconfig: " 912 "cannot find driver for screen device %s", 913 sp->cons_fb_path); 914 return; 915 } 916 917 #ifdef _HAVE_TEM_FIRMWARE 918 /* 919 * If the underlying fb device doesn't support terminal emulation, 920 * we don't want to open the wc device (below) because it depends 921 * on features which aren't available (polled mode io). 922 */ 923 if (!sp->cons_tem_supported) 924 return; 925 #endif /* _HAVE_TEM_FIRMWARE */ 926 927 /* tell wc to open the frame buffer device */ 928 wc_dev = sp->cons_wc_vp->v_rdev; 929 if (ldi_open_by_dev(&wc_dev, OTYP_CHR, FREAD|FWRITE|FNOCTTY, kcred, 930 &wc_lh, sp->cons_li)) { 931 cmn_err(CE_PANIC, "cons_build_upper_layer: " 932 "unable to open wc device"); 933 } 934 ASSERT(wc_dev == sp->cons_wc_vp->v_rdev); 935 936 strioc.ic_cmd = WC_OPEN_FB; 937 strioc.ic_timout = INFTIM; 938 strioc.ic_len = strlen(sp->cons_fb_path) + 1; 939 strioc.ic_dp = sp->cons_fb_path; 940 941 if (ldi_ioctl(wc_lh, I_STR, (intptr_t)&strioc, 942 FKIOCTL, kcred, &rval) == 0) 943 consmode = CONS_KFB; 944 else 945 cmn_err(CE_WARN, 946 "consconfig: terminal emulator failed to initialize"); 947 (void) ldi_close(wc_lh, FREAD|FWRITE, kcred); 948 } 949 950 static void 951 consconfig_load_drivers(cons_state_t *sp) 952 { 953 /* 954 * Calling ddi_pathname_to_dev_t may cause the USB Host Controller 955 * drivers to be loaded. Here we make sure that EHCI is loaded 956 * earlier than {U, O}HCI. The order here is important. As 957 * we have observed many systems on which hangs occur if the 958 * {U,O}HCI companion controllers take over control from the BIOS 959 * before EHCI does. These hangs are also caused by BIOSes leaving 960 * interrupt-on-port-change enabled in the ehci controller, so that 961 * when uhci/ohci reset themselves, it induces a port change on 962 * the ehci companion controller. Since there's no interrupt handler 963 * installed at the time, the moment that interrupt is unmasked, an 964 * interrupt storm will occur. All this is averted when ehci is 965 * loaded first. And now you know..... the REST of the story. 966 * 967 * Regardless of platform, ehci needs to initialize first to avoid 968 * unnecessary connects and disconnects on the companion controller 969 * when ehci sets up the routing. 970 * 971 * The same is generally true of xhci. Many platforms have routing 972 * between the xhci controller and the ehci controller. To avoid those 973 * same disconnects, we load xhci before ehci. 974 */ 975 (void) ddi_hold_installed_driver(ddi_name_to_major("xhci")); 976 (void) ddi_hold_installed_driver(ddi_name_to_major("ehci")); 977 (void) ddi_hold_installed_driver(ddi_name_to_major("uhci")); 978 (void) ddi_hold_installed_driver(ddi_name_to_major("ohci")); 979 980 /* 981 * The attaching of the drivers will cause the creation of the 982 * keyboard and mouse minor nodes, which will in turn trigger the 983 * dacf framework to call the keyboard and mouse configuration 984 * tasks. See PSARC/1998/212 for more details about the dacf 985 * framework. 986 * 987 * on sparc, when the console is ttya, zs0 is stdin/stdout, and zs1 988 * is kb/mouse. zs0 must be attached before zs1. The zs driver 989 * is written this way and the hardware may depend on this, too. 990 * It would be better to enforce this by attaching zs in sibling 991 * order with a driver property, such as ddi-attachall. 992 */ 993 if (sp->cons_stdin_path != NULL) 994 stdindev = ddi_pathname_to_dev_t(sp->cons_stdin_path); 995 if (stdindev == NODEV) { 996 DPRINTF(DPRINT_L0, 997 "!fail to attach stdin: %s\n", sp->cons_stdin_path); 998 } 999 if (sp->cons_stdout_path != NULL) 1000 stdoutdev = ddi_pathname_to_dev_t(sp->cons_stdout_path); 1001 if (sp->cons_keyboard_path != NULL) 1002 kbddev = ddi_pathname_to_dev_t(sp->cons_keyboard_path); 1003 if (sp->cons_mouse_path != NULL) 1004 mousedev = ddi_pathname_to_dev_t(sp->cons_mouse_path); 1005 if (sp->cons_diag_path != NULL) 1006 diagdev = ddi_pathname_to_dev_t(sp->cons_diag_path); 1007 1008 /* 1009 * On x86, make sure the fb driver is loaded even if we don't use it 1010 * for the console. This will ensure that we create a /dev/fb link 1011 * which is required to start Xorg. 1012 */ 1013 #if defined(__x86) 1014 if (sp->cons_fb_path != NULL) 1015 fbdev = ddi_pathname_to_dev_t(sp->cons_fb_path); 1016 #endif 1017 1018 DPRINTF(DPRINT_L0, "stdindev %lx, stdoutdev %lx, kbddev %lx, " 1019 "mousedev %lx diagdev %lx\n", stdindev, stdoutdev, kbddev, 1020 mousedev, diagdev); 1021 } 1022 1023 #if !defined(__x86) 1024 void 1025 consconfig_virtual_console_vp(cons_state_t *sp) 1026 { 1027 char *virtual_cons_path; 1028 1029 if (plat_virtual_console_path(&virtual_cons_path) < 0) 1030 return; 1031 1032 DPRINTF(DPRINT_L0, "consconfig_virtual_console_vp: " 1033 "virtual console device path %s\n", virtual_cons_path); 1034 1035 ASSERT(sp->cons_stdout_path != NULL); 1036 if (strcmp(virtual_cons_path, sp->cons_stdout_path) == 0) { 1037 /* virtual console already in use */ 1038 return; 1039 } 1040 1041 vsconsvp = i_consconfig_createvp(virtual_cons_path); 1042 if (vsconsvp == NULL) { 1043 cmn_err(CE_WARN, "consconfig_virtual_console_vp: " 1044 "unable to find serial virtual console device %s", 1045 virtual_cons_path); 1046 return; 1047 } 1048 1049 (void) e_ddi_hold_devi_by_dev(vsconsvp->v_rdev, 0); 1050 } 1051 #endif 1052 1053 static void 1054 consconfig_init_framebuffer(cons_state_t *sp) 1055 { 1056 if (!sp->cons_stdout_is_fb) 1057 return; 1058 1059 DPRINTF(DPRINT_L0, "stdout is framebuffer\n"); 1060 ASSERT(strcmp(sp->cons_fb_path, sp->cons_stdout_path) == 0); 1061 1062 /* 1063 * Console output is a framebuffer. 1064 * Find the framebuffer driver if we can, and make 1065 * ourselves a shadow vnode to track it with. 1066 */ 1067 fbdev = stdoutdev; 1068 if (fbdev == NODEV) { 1069 DPRINTF(DPRINT_L3, 1070 "Can't find driver for console framebuffer\n"); 1071 } else { 1072 /* stdoutdev is valid, of fbvp should exist */ 1073 fbvp = i_consconfig_createvp(sp->cons_stdout_path); 1074 if (fbvp == NULL) { 1075 panic("consconfig_init_framebuffer: " 1076 "unable to find frame buffer device"); 1077 /*NOTREACHED*/ 1078 } 1079 ASSERT(fbvp->v_rdev == fbdev); 1080 1081 /* console device is never released */ 1082 fbdip = e_ddi_hold_devi_by_dev(fbdev, 0); 1083 } 1084 pm_cfb_setup(sp->cons_stdout_path); 1085 } 1086 1087 /* 1088 * consconfig_prepare_dev: 1089 * Flush the stream, push "pushmod" onto the stream. 1090 * for keyboard, issue the KIOCTRANSABLE ioctl, and 1091 * possible enable abort. 1092 */ 1093 static void 1094 consconfig_prepare_dev( 1095 ldi_handle_t new_lh, 1096 const char *pushmod, 1097 int kbdtranslatable, 1098 int input_type, 1099 int dev_type) 1100 { 1101 int err, rval; 1102 1103 /* send a flush down the stream to the keyboard driver */ 1104 (void) ldi_ioctl(new_lh, I_FLUSH, (intptr_t)FLUSHRW, 1105 FKIOCTL, kcred, &rval); 1106 1107 if (pushmod) { 1108 err = ldi_ioctl(new_lh, I_PUSH, (intptr_t)pushmod, 1109 FKIOCTL, kcred, &rval); 1110 if (err) { 1111 cmn_err(CE_WARN, "consconfig_prepare_dev: " 1112 "can't push streams module \"%s\", error %d", 1113 pushmod, err); 1114 } 1115 } 1116 1117 if (dev_type == CONS_MS) 1118 return; 1119 1120 ASSERT(dev_type == CONS_KBD); 1121 1122 err = ldi_ioctl(new_lh, KIOCTRANSABLE, 1123 (intptr_t)&kbdtranslatable, FKIOCTL, kcred, &rval); 1124 if (err) { 1125 cmn_err(CE_WARN, "consconfig_prepare_dev: " 1126 "KIOCTRANSABLE failed, error: %d", err); 1127 } 1128 1129 /* 1130 * During boot, dynamic_console_config() will call the 1131 * function to enable abort on the console. If the 1132 * keyboard is hotplugged after boot, check to see if 1133 * the keyboard is the console input. If it is 1134 * enable abort on it. 1135 */ 1136 if (input_type == CONSOLE_LOCAL) 1137 (void) consconfig_kbd_abort_enable(new_lh); 1138 } 1139 1140 /* 1141 * consconfig_relink_conskbd: 1142 * If new_lh is not NULL it should represent a driver with a 1143 * keyboard module pushed on top of it. The driver is then linked 1144 * underneath conskbd. the resulting stream will be 1145 * wc->conskbd->"new_lh driver". 1146 * 1147 * If new_lh is NULL, then an unlink operation is done on conskbd 1148 * that attempts to unlink the stream specified by *muxid. 1149 * the resulting stream will be wc->conskbd. 1150 */ 1151 static int 1152 consconfig_relink_conskbd(cons_state_t *sp, ldi_handle_t new_lh, int *muxid) 1153 { 1154 int err, rval; 1155 int conskbd_relink = 0; 1156 1157 ASSERT(muxid != NULL); 1158 1159 DPRINTF(DPRINT_L0, "consconfig_relink_conskbd: " 1160 "conskbd_lh = %p, new_lh = %p, muxid = %x\n", 1161 sp->conskbd_lh, new_lh, *muxid); 1162 1163 /* 1164 * If conskbd is linked under wc then temporarily unlink it 1165 * from under wc so that the new_lh stream may be linked under 1166 * conskbd. This has to be done because streams are built bottom 1167 * up and linking a stream under conskbd isn't allowed when 1168 * conskbd is linked under wc. 1169 */ 1170 if (sp->conskbd_muxid != -1) { 1171 DPRINTF(DPRINT_L0, "unlinking conskbd from under wc\n"); 1172 conskbd_relink = 1; 1173 err = consconfig_relink_wc(sp, NULL, &sp->conskbd_muxid); 1174 if (err) { 1175 cmn_err(CE_WARN, "consconfig_relink_conskbd: " 1176 "wc unlink failed, error %d", err); 1177 return (err); 1178 } 1179 } 1180 1181 if (new_lh != NULL) { 1182 DPRINTF(DPRINT_L0, "linking keyboard under conskbd\n"); 1183 1184 /* Link the stream represented by new_lh under conskbd */ 1185 err = ldi_ioctl(sp->conskbd_lh, I_PLINK, (uintptr_t)new_lh, 1186 FKIOCTL, kcred, muxid); 1187 if (err != 0) { 1188 cmn_err(CE_WARN, "consconfig_relink_conskbd: " 1189 "conskbd link failed, error %d", err); 1190 goto relink_failed; 1191 } 1192 } else { 1193 DPRINTF(DPRINT_L0, "unlinking keyboard from under conskbd\n"); 1194 1195 /* 1196 * This will cause the keyboard driver to be closed, 1197 * all modules to be popped, and the keyboard vnode released. 1198 */ 1199 err = ldi_ioctl(sp->conskbd_lh, I_PUNLINK, *muxid, 1200 FKIOCTL, kcred, &rval); 1201 if (err != 0) { 1202 cmn_err(CE_WARN, "consconfig_relink_conskbd: " 1203 "conskbd unlink failed, error %d", err); 1204 goto relink_failed; 1205 } else { 1206 *muxid = -1; 1207 } 1208 1209 consconfig_check_phys_kbd(sp); 1210 } 1211 1212 if (!conskbd_relink) 1213 return (err); 1214 1215 /* 1216 * Link consbkd back under wc. 1217 * 1218 * The act of linking conskbd back under wc will cause wc 1219 * to query the lower lower layers about their polled I/O 1220 * routines. This time the request will succeed because there 1221 * is a physical keyboard linked under conskbd. 1222 */ 1223 DPRINTF(DPRINT_L0, "re-linking conskbd under wc\n"); 1224 err = consconfig_relink_wc(sp, sp->conskbd_lh, &sp->conskbd_muxid); 1225 if (err) { 1226 cmn_err(CE_WARN, "consconfig_relink_conskbd: " 1227 "wc link failed, error %d", err); 1228 } 1229 return (err); 1230 1231 relink_failed: 1232 if (!conskbd_relink) 1233 return (err); 1234 1235 /* something went wrong, try to reconnect conskbd back under wc */ 1236 DPRINTF(DPRINT_L0, "re-linking conskbd under wc\n"); 1237 (void) consconfig_relink_wc(sp, sp->conskbd_lh, &sp->conskbd_muxid); 1238 return (err); 1239 } 1240 1241 /* 1242 * consconfig_relink_consms: 1243 * If new_lh is not NULL it should represent a driver with a 1244 * mouse module pushed on top of it. The driver is then linked 1245 * underneath consms. the resulting stream will be 1246 * consms->"new_lh driver". 1247 * 1248 * If new_lh is NULL, then an unlink operation is done on consms 1249 * that attempts to unlink the stream specified by *muxid. 1250 */ 1251 static int 1252 consconfig_relink_consms(cons_state_t *sp, ldi_handle_t new_lh, int *muxid) 1253 { 1254 int err, rval; 1255 1256 DPRINTF(DPRINT_L0, "consconfig_relink_consms: " 1257 "consms_lh = %p, new_lh = %p, muxid = %x\n", 1258 (void *)sp->consms_lh, (void *)new_lh, *muxid); 1259 1260 if (new_lh != NULL) { 1261 DPRINTF(DPRINT_L0, "linking mouse under consms\n"); 1262 1263 /* Link ms/usbms stream underneath consms multiplexor. */ 1264 err = ldi_ioctl(sp->consms_lh, I_PLINK, (uintptr_t)new_lh, 1265 FKIOCTL, kcred, muxid); 1266 if (err != 0) { 1267 cmn_err(CE_WARN, "consconfig_relink_consms: " 1268 "mouse link failed, error %d", err); 1269 } 1270 } else { 1271 DPRINTF(DPRINT_L0, "unlinking mouse from under consms\n"); 1272 1273 /* Tear down the mouse stream */ 1274 err = ldi_ioctl(sp->consms_lh, I_PUNLINK, *muxid, 1275 FKIOCTL, kcred, &rval); 1276 if (err != 0) { 1277 cmn_err(CE_WARN, "consconfig_relink_consms: " 1278 "mouse unlink failed, error %d", err); 1279 } else { 1280 *muxid = -1; 1281 } 1282 } 1283 return (err); 1284 } 1285 1286 static int 1287 cons_get_input_type(cons_state_t *sp) 1288 { 1289 int type; 1290 1291 /* 1292 * Now that we know what all the devices are, we can figure out 1293 * what kind of console we have. 1294 */ 1295 if (sp->cons_stdin_is_kbd) { 1296 /* Stdin is from the system keyboard */ 1297 type = CONSOLE_LOCAL; 1298 } else if ((stdindev != NODEV) && (stdindev == stdoutdev)) { 1299 /* 1300 * A reliable indicator that we are doing a remote console 1301 * is that stdin and stdout are the same. 1302 * This is probably a tip line. 1303 */ 1304 type = CONSOLE_TIP; 1305 } else { 1306 type = CONSOLE_SERIAL_KEYBOARD; 1307 } 1308 1309 return (type); 1310 } 1311 1312 static void 1313 consconfig_init_input(cons_state_t *sp) 1314 { 1315 ldi_handle_t new_lh; 1316 dev_t cons_final_dev; 1317 int err; 1318 1319 cons_final_dev = NODEV; 1320 1321 switch (sp->cons_input_type) { 1322 case CONSOLE_LOCAL: 1323 DPRINTF(DPRINT_L0, "stdin is keyboard\n"); 1324 1325 /* 1326 * The machine is allowed to boot without a keyboard. 1327 * If a user attaches a keyboard later, the keyboard 1328 * will be hooked into the console stream with the dacf 1329 * functions. 1330 * 1331 * The only drivers that look at kbbdev are the 1332 * serial drivers, which looks at kbdev to see if 1333 * they should allow abort on a break. In the absence 1334 * of keyboard, the serial drivers won't be attached 1335 * for any keyboard instance. 1336 */ 1337 if (kbddev == NODEV) { 1338 /* 1339 * If there is a problem with the keyboard 1340 * during the driver loading, then the polled 1341 * input won't get setup properly if polled 1342 * input is needed. This means that if the 1343 * keyboard is hotplugged, the keyboard would 1344 * work normally, but going down to the 1345 * debugger would not work if polled input is 1346 * required. This field is set here. The next 1347 * time a keyboard is plugged in, the field is 1348 * checked in order to give the next keyboard a 1349 * chance at being registered for console 1350 * input. 1351 * 1352 * Although this code will rarely be needed, 1353 * USB keyboards can be flaky, so this code 1354 * will be useful on the occasion that the 1355 * keyboard doesn't enumerate when the drivers 1356 * are loaded. 1357 */ 1358 DPRINTF(DPRINT_L2, "Error with console keyboard\n"); 1359 sp->cons_keyboard_problem = B_TRUE; 1360 } 1361 stdindev = kbddev; 1362 cons_final_dev = sp->cons_wc_vp->v_rdev; 1363 break; 1364 1365 case CONSOLE_TIP: 1366 DPRINTF(DPRINT_L0, "console input is tty (%s)\n", 1367 sp->cons_stdin_path); 1368 1369 /* 1370 * Console device drivers must be able to output 1371 * after being closed. 1372 */ 1373 rconsvp = i_consconfig_createvp(sp->cons_stdin_path); 1374 if (rconsvp == NULL) { 1375 panic("consconfig_init_input: " 1376 "unable to find stdin device (%s)", 1377 sp->cons_stdin_path); 1378 /*NOTREACHED*/ 1379 } 1380 rconsdev = rconsvp->v_rdev; 1381 1382 ASSERT(rconsdev == stdindev); 1383 1384 cons_final_dev = rconsdev; 1385 break; 1386 1387 case CONSOLE_SERIAL_KEYBOARD: 1388 DPRINTF(DPRINT_L0, "stdin is serial keyboard\n"); 1389 1390 /* 1391 * Non-keyboard input device, but not rconsdev. 1392 * This is known as the "serial keyboard" case - the 1393 * most likely use is someone has a keyboard attached 1394 * to a serial port (tip) and still has output on a 1395 * framebuffer. 1396 * 1397 * In this case, the serial driver must be linked 1398 * directly beneath wc. Since conskbd was linked 1399 * underneath wc above, first we unlink conskbd. 1400 */ 1401 (void) consconfig_relink_wc(sp, NULL, &sp->conskbd_muxid); 1402 sp->conskbd_muxid = -1; 1403 1404 /* 1405 * Open the serial keyboard, configure it, 1406 * and link it underneath wc. 1407 */ 1408 err = ldi_open_by_name(sp->cons_stdin_path, 1409 FREAD|FWRITE|FNOCTTY, kcred, &new_lh, sp->cons_li); 1410 if (err == 0) { 1411 struct termios termios; 1412 int rval; 1413 int stdin_muxid; 1414 1415 consconfig_prepare_dev(new_lh, 1416 "kb", TR_CANNOT, sp->cons_input_type, CONS_KBD); 1417 1418 /* Re-set baud rate */ 1419 (void) ldi_ioctl(new_lh, TCGETS, (intptr_t)&termios, 1420 FKIOCTL, kcred, &rval); 1421 1422 /* Set baud rate */ 1423 if (consconfig_setmodes(stdindev, &termios) == 0) { 1424 err = ldi_ioctl(new_lh, 1425 TCSETSF, (intptr_t)&termios, 1426 FKIOCTL, kcred, &rval); 1427 if (err) { 1428 cmn_err(CE_WARN, 1429 "consconfig_init_input: " 1430 "TCSETSF failed, error %d", err); 1431 } 1432 } 1433 1434 /* 1435 * Now link the serial keyboard direcly under wc 1436 * we don't save the returned muxid because we 1437 * don't support changing/hotplugging the console 1438 * keyboard when it is a serial keyboard. 1439 */ 1440 (void) consconfig_relink_wc(sp, new_lh, &stdin_muxid); 1441 1442 (void) ldi_close(new_lh, FREAD|FWRITE, kcred); 1443 } 1444 1445 cons_final_dev = sp->cons_wc_vp->v_rdev; 1446 break; 1447 1448 default: 1449 panic("consconfig_init_input: " 1450 "unsupported console input/output combination"); 1451 /*NOTREACHED*/ 1452 } 1453 1454 /* 1455 * Use the redirection device/workstation console pair as the "real" 1456 * console if the latter hasn't already been set. 1457 * The workstation console driver needs to see rwsconsvp, but 1458 * all other access should be through the redirecting driver. 1459 */ 1460 if (rconsvp == NULL) { 1461 consconfig_dprintf(DPRINT_L0, "setup redirection driver\n"); 1462 rconsvp = wsconsvp; 1463 rconsdev = wsconsvp->v_rdev; 1464 } 1465 1466 ASSERT(cons_final_dev != NODEV); 1467 1468 err = ldi_open_by_dev(&cons_final_dev, OTYP_CHR, FREAD|FWRITE|FNOCTTY, 1469 kcred, &new_lh, sp->cons_li); 1470 if (err) { 1471 panic("consconfig_init_input: " 1472 "unable to open console device"); 1473 /*NOTREACHED*/ 1474 } 1475 1476 /* Enable abort on the console */ 1477 (void) consconfig_kbd_abort_enable(new_lh); 1478 1479 /* Now we must close it to make console logins happy */ 1480 (void) ldi_close(new_lh, FREAD|FWRITE, kcred); 1481 1482 /* Set up polled input if it is supported by the console device */ 1483 if (plat_use_polled_debug()) { 1484 /* 1485 * In the debug case, register the keyboard polled entry 1486 * points, but don't throw the switch in the debugger. This 1487 * allows the polled entry points to be checked by hand 1488 */ 1489 consconfig_setup_polledio(sp, sp->cons_wc_vp->v_rdev); 1490 } else { 1491 if (diagdev != NODEV) 1492 consconfig_setup_polledio(sp, diagdev); 1493 else 1494 consconfig_setup_polledio(sp, cons_final_dev); 1495 } 1496 1497 kadb_uses_kernel(); 1498 } 1499 1500 /* 1501 * This function kicks off the console configuration. 1502 * Configure keyboard and mouse. Main entry here. 1503 */ 1504 void 1505 dynamic_console_config(void) 1506 { 1507 /* initialize space.c globals */ 1508 stdindev = NODEV; 1509 mousedev = NODEV; 1510 kbddev = NODEV; 1511 fbdev = NODEV; 1512 diagdev = NODEV; 1513 fbvp = NULL; 1514 fbdip = NULL; 1515 wsconsvp = NULL; 1516 rwsconsvp = NULL; 1517 rwsconsdev = NODEV; 1518 rconsvp = NULL; 1519 rconsdev = NODEV; 1520 1521 /* Initialize cons_state_t structure and console device paths */ 1522 consconfig_sp = consconfig_state_init(); 1523 ASSERT(consconfig_sp); 1524 1525 /* Build upper layer of console stream */ 1526 cons_build_upper_layer(consconfig_sp); 1527 1528 /* 1529 * Load keyboard/mouse drivers. The dacf routines will 1530 * plumb the devices into the console stream 1531 * 1532 * At the conclusion of the ddi_pathname_to_dev_t calls, the keyboard 1533 * and mouse drivers are linked into their respective console 1534 * streams if the pathnames are valid. 1535 */ 1536 consconfig_load_drivers(consconfig_sp); 1537 consconfig_sp->cons_input_type = cons_get_input_type(consconfig_sp); 1538 1539 rwsconsvp = consconfig_sp->cons_wc_vp; 1540 rwsconsdev = consconfig_sp->cons_wc_vp->v_rdev; 1541 1542 1543 /* initialize framebuffer, console input, and redirection device */ 1544 consconfig_init_framebuffer(consconfig_sp); 1545 consconfig_init_input(consconfig_sp); 1546 1547 #if !defined(__x86) 1548 /* initialize virtual console vp for logging if needed */ 1549 consconfig_virtual_console_vp(consconfig_sp); 1550 #endif 1551 1552 DPRINTF(DPRINT_L0, 1553 "mousedev %lx, kbddev %lx, fbdev %lx, rconsdev %lx\n", 1554 mousedev, kbddev, fbdev, rconsdev); 1555 1556 flush_deferred_console_buf(); 1557 consconfig_sp->cons_initialized = B_TRUE; 1558 } 1559 1560 1561 /* 1562 * Start of DACF interfaces 1563 */ 1564 1565 /* 1566 * Do the real job for keyboard/mouse auto-configuration. 1567 */ 1568 static int 1569 do_config(cons_state_t *sp, cons_prop_t *prop) 1570 { 1571 ldi_handle_t lh; 1572 dev_t dev; 1573 int error; 1574 1575 ASSERT((prop->cp_type == CONS_KBD) || (prop->cp_type == CONS_MS)); 1576 1577 dev = prop->cp_dev; 1578 error = ldi_open_by_dev(&dev, OTYP_CHR, 1579 FREAD|FWRITE|FNOCTTY, kcred, &lh, sp->cons_li); 1580 if (error) { 1581 return (DACF_FAILURE); 1582 } 1583 ASSERT(dev == prop->cp_dev); /* clone not supported */ 1584 1585 /* 1586 * Prepare the new keyboard/mouse driver 1587 * to be linked under conskbd/consms. 1588 */ 1589 consconfig_prepare_dev(lh, prop->cp_pushmod, TR_CAN, 1590 sp->cons_input_type, prop->cp_type); 1591 1592 if (prop->cp_type == CONS_KBD) { 1593 /* 1594 * Tell the physical keyboard driver to send 1595 * the abort sequences up to the virtual keyboard 1596 * driver so that STOP and A (or F1 and A) 1597 * can be applied to different keyboards. 1598 */ 1599 (void) consconfig_kbd_abort_disable(lh); 1600 1601 /* Link the stream underneath conskbd */ 1602 error = consconfig_relink_conskbd(sp, lh, &prop->cp_muxid); 1603 } else { 1604 /* Link the stream underneath consms */ 1605 error = consconfig_relink_consms(sp, lh, &prop->cp_muxid); 1606 } 1607 1608 /* 1609 * At this point, the stream is: 1610 * for keyboard: wc->conskbd->["pushmod"->"kbd_vp driver"] 1611 * for mouse: consms->["module_name"->]"mouse_avp driver" 1612 */ 1613 1614 /* Close the driver stream, it will stay linked under conskbd */ 1615 (void) ldi_close(lh, FREAD|FWRITE, kcred); 1616 1617 if (error) { 1618 return (DACF_FAILURE); 1619 } 1620 1621 return (DACF_SUCCESS); 1622 } 1623 1624 static int 1625 do_unconfig(cons_state_t *sp, cons_prop_t *prop) 1626 { 1627 ASSERT((prop->cp_type == CONS_KBD) || (prop->cp_type == CONS_MS)); 1628 1629 if (prop->cp_type == CONS_KBD) 1630 return (consconfig_relink_conskbd(sp, NULL, &prop->cp_muxid)); 1631 else 1632 return (consconfig_relink_consms(sp, NULL, &prop->cp_muxid)); 1633 } 1634 1635 static int 1636 kb_ms_config(dacf_infohdl_t minor_hdl, dacf_arghdl_t arg_hdl, int type) 1637 { 1638 major_t major; 1639 minor_t minor; 1640 dev_t dev; 1641 dev_info_t *dip; 1642 cons_state_t *sp; 1643 cons_prop_t *prop; 1644 const char *pushmod; 1645 1646 /* 1647 * Retrieve the state information 1648 * Some platforms may use the old-style "consconfig" to configure 1649 * console stream modules but may also support devices that happen 1650 * to match a rule in /etc/dacf.conf. This will cause a problem 1651 * since the console state structure will not be initialized. 1652 * In that case, these entry points should silently fail and 1653 * permit console to be plumbed later in boot. 1654 */ 1655 if ((sp = (cons_state_t *)space_fetch("consconfig")) == NULL) 1656 return (DACF_FAILURE); 1657 1658 dip = dacf_devinfo_node(minor_hdl); 1659 major = ddi_driver_major(dip); 1660 ASSERT(major != DDI_MAJOR_T_NONE); 1661 minor = dacf_minor_number(minor_hdl); 1662 dev = makedevice(major, minor); 1663 ASSERT(dev != NODEV); 1664 1665 DPRINTF(DPRINT_L0, "driver name = \"%s\", dev = 0x%lx, major = 0x%x\n", 1666 (char *)dacf_driver_name(minor_hdl), dev, major); 1667 1668 /* Access to the global variables is synchronized */ 1669 mutex_enter(&sp->cons_lock); 1670 1671 /* 1672 * Check if the keyboard/mouse has already configured. 1673 */ 1674 if (consconfig_find_dev(sp, dev) != NULL) { 1675 mutex_exit(&sp->cons_lock); 1676 return (DACF_SUCCESS); 1677 } 1678 1679 prop = kmem_zalloc(sizeof (cons_prop_t), KM_SLEEP); 1680 1681 /* Config the new keyboard/mouse device */ 1682 prop->cp_dev = dev; 1683 1684 pushmod = dacf_get_arg(arg_hdl, "pushmod"); 1685 prop->cp_pushmod = i_ddi_strdup((char *)pushmod, KM_SLEEP); 1686 1687 prop->cp_type = type; 1688 if (do_config(sp, prop) != DACF_SUCCESS) { 1689 /* 1690 * The keyboard/mouse node failed to open. 1691 * Set the major and minor numbers to 0 so 1692 * kb_unconfig/ms_unconfig won't unconfigure 1693 * this node if it is detached. 1694 */ 1695 mutex_exit(&sp->cons_lock); 1696 consconfig_free_prop(prop); 1697 return (DACF_FAILURE); 1698 } 1699 1700 consconfig_add_dev(sp, prop); 1701 1702 /* 1703 * See if there was a problem with the console keyboard during boot. 1704 * If so, try to register polled input for this keyboard. 1705 */ 1706 if ((type == CONS_KBD) && (sp->cons_keyboard_problem)) { 1707 consconfig_setup_polledio(sp, sp->cons_wc_vp->v_rdev); 1708 sp->cons_keyboard_problem = B_FALSE; 1709 } 1710 1711 /* Prevent autodetach due to memory pressure */ 1712 (void) ddi_prop_update_int(DDI_DEV_T_NONE, dip, DDI_NO_AUTODETACH, 1); 1713 1714 mutex_exit(&sp->cons_lock); 1715 1716 return (DACF_SUCCESS); 1717 } 1718 1719 static int 1720 kb_ms_unconfig(dacf_infohdl_t minor_hdl, dacf_arghdl_t arg_hdl) 1721 { 1722 _NOTE(ARGUNUSED(arg_hdl)) 1723 1724 major_t major; 1725 minor_t minor; 1726 dev_t dev; 1727 dev_info_t *dip; 1728 cons_state_t *sp; 1729 cons_prop_t *prop; 1730 1731 /* 1732 * Retrieve the state information 1733 * So if there isn't a state available, then this entry point just 1734 * returns. See note in kb_config(). 1735 */ 1736 if ((sp = (cons_state_t *)space_fetch("consconfig")) == NULL) 1737 return (DACF_SUCCESS); 1738 1739 dip = dacf_devinfo_node(minor_hdl); 1740 major = ddi_driver_major(dip); 1741 ASSERT(major != DDI_MAJOR_T_NONE); 1742 minor = dacf_minor_number(minor_hdl); 1743 dev = makedevice(major, minor); 1744 ASSERT(dev != NODEV); 1745 1746 /* 1747 * Check if the keyboard/mouse that is being detached 1748 * is the console keyboard/mouse or not. 1749 */ 1750 mutex_enter(&sp->cons_lock); 1751 if ((prop = consconfig_find_dev(sp, dev)) == NULL) { 1752 mutex_exit(&sp->cons_lock); 1753 return (DACF_SUCCESS); 1754 } 1755 1756 /* 1757 * This dev may be opened physically and then hotplugged out. 1758 */ 1759 if (prop->cp_muxid != -1) { 1760 (void) do_unconfig(sp, prop); 1761 consconfig_rem_dev(sp, dev); 1762 } 1763 1764 mutex_exit(&sp->cons_lock); 1765 1766 return (DACF_SUCCESS); 1767 } 1768 1769 /* 1770 * This is the post-attach / pre-detach action function for the keyboard 1771 * and mouse. This function is associated with a node type in /etc/dacf.conf. 1772 */ 1773 static int 1774 kb_config(dacf_infohdl_t minor_hdl, dacf_arghdl_t arg_hdl, int flags) 1775 { 1776 _NOTE(ARGUNUSED(flags)) 1777 1778 return (kb_ms_config(minor_hdl, arg_hdl, CONS_KBD)); 1779 } 1780 1781 static int 1782 ms_config(dacf_infohdl_t minor_hdl, dacf_arghdl_t arg_hdl, int flags) 1783 { 1784 _NOTE(ARGUNUSED(flags)) 1785 1786 return (kb_ms_config(minor_hdl, arg_hdl, CONS_MS)); 1787 } 1788 1789 static int 1790 kb_unconfig(dacf_infohdl_t minor_hdl, dacf_arghdl_t arg_hdl, int flags) 1791 { 1792 _NOTE(ARGUNUSED(flags)) 1793 1794 return (kb_ms_unconfig(minor_hdl, arg_hdl)); 1795 } 1796 1797 static int 1798 ms_unconfig(dacf_infohdl_t minor_hdl, dacf_arghdl_t arg_hdl, int flags) 1799 { 1800 _NOTE(ARGUNUSED(flags)) 1801 1802 return (kb_ms_unconfig(minor_hdl, arg_hdl)); 1803 } 1804 1805 /* 1806 * consconfig_link and consconfig_unlink are provided to support 1807 * direct access to physical keyboard/mouse underlying conskbd/ 1808 * consms. 1809 * When the keyboard/mouse is opened physically via its device 1810 * file, it will be unlinked from the virtual one, and when it 1811 * is closed physically, it will be linked back under the virtual 1812 * one. 1813 */ 1814 void 1815 consconfig_link(major_t major, minor_t minor) 1816 { 1817 char buf[MAXPATHLEN]; 1818 dev_t dev; 1819 cons_state_t *sp; 1820 cons_prop_t *prop; 1821 1822 if ((sp = (cons_state_t *)space_fetch("consconfig")) == NULL) 1823 return; 1824 1825 dev = makedevice(major, minor); 1826 ASSERT(dev != NODEV); 1827 1828 mutex_enter(&sp->cons_lock); 1829 if ((prop = consconfig_find_dev(sp, dev)) == NULL) { 1830 mutex_exit(&sp->cons_lock); 1831 return; 1832 } 1833 1834 if (do_config(sp, prop) != DACF_SUCCESS) { 1835 (void) ddi_dev_pathname(dev, 0, buf); 1836 if (prop->cp_type == CONS_KBD) 1837 cmn_err(CE_WARN, "Failed to relink the keyboard " 1838 "(%s) underneath virtual keyboard", buf); 1839 else 1840 cmn_err(CE_WARN, "Failed to relink the mouse " 1841 "(%s) underneath virtual mouse", buf); 1842 consconfig_rem_dev(sp, dev); 1843 } 1844 1845 mutex_exit(&sp->cons_lock); 1846 } 1847 1848 1849 int 1850 consconfig_unlink(major_t major, minor_t minor) 1851 { 1852 dev_t dev; 1853 cons_state_t *sp; 1854 cons_prop_t *prop; 1855 int error; 1856 1857 if ((sp = (cons_state_t *)space_fetch("consconfig")) == NULL) 1858 return (DACF_SUCCESS); 1859 1860 dev = makedevice(major, minor); 1861 ASSERT(dev != NODEV); 1862 1863 mutex_enter(&sp->cons_lock); 1864 if ((prop = consconfig_find_dev(sp, dev)) == NULL) { 1865 mutex_exit(&sp->cons_lock); 1866 return (DACF_FAILURE); 1867 } 1868 1869 error = do_unconfig(sp, prop); 1870 1871 /* 1872 * Keep this dev on the list, for this dev is still online. 1873 */ 1874 mutex_exit(&sp->cons_lock); 1875 1876 return (error); 1877 } 1878 1879 /* 1880 * Routine to set baud rate, bits-per-char, parity and stop bits 1881 * on the console line when necessary. 1882 */ 1883 static int 1884 consconfig_setmodes(dev_t dev, struct termios *termiosp) 1885 { 1886 char buf[MAXPATHLEN]; 1887 int len = MAXPATHLEN; 1888 char name[16]; 1889 int ppos, i; 1890 char *path; 1891 dev_t tdev; 1892 1893 /* 1894 * First, search for a devalias which matches this dev_t. 1895 * Try all of ttya through ttyz until no such alias 1896 */ 1897 (void) strcpy(name, "ttya"); 1898 for (i = 0; i < ('z'-'a'); i++) { 1899 name[3] = 'a' + i; /* increment device name */ 1900 path = get_alias(name, buf); 1901 if (path == NULL) 1902 return (1); 1903 1904 tdev = ddi_pathname_to_dev_t(path); 1905 if (tdev == dev) 1906 break; /* Exit loop if found */ 1907 } 1908 1909 if (i >= ('z'-'a')) 1910 return (1); /* If we didn't find it, return */ 1911 1912 /* 1913 * Now that we know which "tty" this corresponds to, retrieve 1914 * the "ttya-mode" options property, which tells us how to configure 1915 * the line. 1916 */ 1917 (void) strcpy(name, "ttya-mode"); /* name of option we want */ 1918 name[3] = 'a' + i; /* Adjust to correct line */ 1919 1920 if (ddi_getlongprop_buf(DDI_DEV_T_ANY, ddi_root_node(), 0, name, 1921 buf, &len) != DDI_PROP_SUCCESS) 1922 return (1); /* if no such option, just return */ 1923 1924 /* 1925 * The IEEE 1275 standard specifies that /aliases string property 1926 * values should be null-terminated. Unfortunately the reality 1927 * is that most aren't and the OBP can't easily be modified to 1928 * add null termination to these strings. So we'll add the 1929 * null termination here. If the string already contains a 1930 * null termination character then that's ok too because we'll 1931 * just be adding a second one. 1932 */ 1933 buf[len] = '\0'; 1934 1935 /* Clear out options we will be setting */ 1936 termiosp->c_cflag &= 1937 ~(CSIZE | CBAUD | CBAUDEXT | PARODD | PARENB | CSTOPB); 1938 1939 /* Clear options which potentially conflict with new settings */ 1940 termiosp->c_cflag &= ~(CIBAUD | CIBAUDEXT); 1941 1942 /* 1943 * Now, parse the string. Wish I could use sscanf(). 1944 * Format 9600,8,n,1,- 1945 * baud rate, bits-per-char, parity, stop-bits, ignored 1946 */ 1947 for (ppos = 0; ppos < (MAXPATHLEN-8); ppos++) { /* Find first comma */ 1948 if ((buf[ppos] == 0) || (buf[ppos] == ',')) 1949 break; 1950 } 1951 1952 if (buf[ppos] != ',') { 1953 cmn_err(CE_WARN, "consconfig_setmodes: " 1954 "invalid mode string %s", buf); 1955 return (1); 1956 } 1957 1958 for (i = 0; i < MAX_SPEEDS; i++) { 1959 if (strncmp(buf, speedtab[i].name, ppos) == 0) 1960 break; 1961 } 1962 1963 if (i >= MAX_SPEEDS) { 1964 cmn_err(CE_WARN, 1965 "consconfig_setmodes: unrecognized speed in %s", buf); 1966 return (1); 1967 } 1968 1969 /* Found the baud rate, set it */ 1970 termiosp->c_cflag |= speedtab[i].code & CBAUD; 1971 if (speedtab[i].code > 16) /* cfsetospeed! */ 1972 termiosp->c_cflag |= CBAUDEXT; 1973 1974 /* Set bits per character */ 1975 switch (buf[ppos+1]) { 1976 case '8': 1977 termiosp->c_cflag |= CS8; 1978 break; 1979 case '7': 1980 termiosp->c_cflag |= CS7; 1981 break; 1982 default: 1983 cmn_err(CE_WARN, 1984 "consconfig_setmodes: illegal bits-per-char %s", buf); 1985 return (1); 1986 } 1987 1988 /* Set parity */ 1989 switch (buf[ppos+3]) { 1990 case 'o': 1991 termiosp->c_cflag |= PARENB | PARODD; 1992 break; 1993 case 'e': 1994 termiosp->c_cflag |= PARENB; /* enabled, not odd */ 1995 break; 1996 case 'n': 1997 break; /* not enabled. */ 1998 default: 1999 cmn_err(CE_WARN, "consconfig_setmodes: illegal parity %s", buf); 2000 return (1); 2001 } 2002 2003 /* Set stop bits */ 2004 switch (buf[ppos+5]) { 2005 case '1': 2006 break; /* No extra stop bit */ 2007 case '2': 2008 termiosp->c_cflag |= CSTOPB; /* 1 extra stop bit */ 2009 break; 2010 default: 2011 cmn_err(CE_WARN, "consconfig_setmodes: " 2012 "illegal stop bits %s", buf); 2013 return (1); 2014 } 2015 2016 return (0); 2017 } 2018 2019 /* 2020 * Check to see if underlying keyboard devices are still online, 2021 * if any one is offline now, unlink it. 2022 */ 2023 static void 2024 consconfig_check_phys_kbd(cons_state_t *sp) 2025 { 2026 ldi_handle_t kb_lh; 2027 cons_prop_t *prop; 2028 int error; 2029 int rval; 2030 2031 for (prop = sp->cons_km_prop; prop; prop = prop->cp_next) { 2032 if ((prop->cp_type != CONS_KBD) || (prop->cp_muxid == -1)) 2033 continue; 2034 2035 error = ldi_open_by_dev(&prop->cp_dev, OTYP_CHR, 2036 FREAD|FWRITE|FNOCTTY, kcred, &kb_lh, sp->cons_li); 2037 2038 if (error) { 2039 (void) ldi_ioctl(sp->conskbd_lh, I_PUNLINK, 2040 prop->cp_muxid, FKIOCTL, kcred, &rval); 2041 prop->cp_dev = NODEV; 2042 } else { 2043 (void) ldi_close(kb_lh, FREAD|FWRITE, kcred); 2044 } 2045 } 2046 2047 /* 2048 * Remove all disconnected keyboards, 2049 * whose dev is turned into NODEV above. 2050 */ 2051 consconfig_rem_dev(sp, NODEV); 2052 } 2053 2054 /* 2055 * Remove devices according to dev, which may be NODEV 2056 */ 2057 static void 2058 consconfig_rem_dev(cons_state_t *sp, dev_t dev) 2059 { 2060 cons_prop_t *prop; 2061 cons_prop_t *prev_prop; 2062 cons_prop_t *tmp_prop; 2063 cons_prop_t *head_prop; 2064 2065 head_prop = NULL; 2066 prev_prop = NULL; 2067 for (prop = sp->cons_km_prop; prop != NULL; ) { 2068 if (prop->cp_dev == dev) { 2069 tmp_prop = prop->cp_next; 2070 consconfig_free_prop(prop); 2071 prop = tmp_prop; 2072 if (prev_prop) 2073 prev_prop->cp_next = prop; 2074 } else { 2075 if (head_prop == NULL) 2076 head_prop = prop; 2077 prev_prop = prop; 2078 prop = prop->cp_next; 2079 } 2080 } 2081 sp->cons_km_prop = head_prop; 2082 } 2083 2084 /* 2085 * Add a dev according to prop 2086 */ 2087 static void 2088 consconfig_add_dev(cons_state_t *sp, cons_prop_t *prop) 2089 { 2090 prop->cp_next = sp->cons_km_prop; 2091 sp->cons_km_prop = prop; 2092 } 2093 2094 /* 2095 * Find a device from our list according to dev 2096 */ 2097 static cons_prop_t * 2098 consconfig_find_dev(cons_state_t *sp, dev_t dev) 2099 { 2100 cons_prop_t *prop; 2101 2102 for (prop = sp->cons_km_prop; prop; prop = prop->cp_next) { 2103 if (prop->cp_dev == dev) 2104 break; 2105 } 2106 2107 return (prop); 2108 } 2109 2110 /* 2111 * Free a cons prop associated with a keyboard or mouse 2112 */ 2113 static void 2114 consconfig_free_prop(cons_prop_t *prop) 2115 { 2116 if (prop->cp_pushmod) 2117 kmem_free(prop->cp_pushmod, strlen(prop->cp_pushmod) + 1); 2118 kmem_free(prop, sizeof (cons_prop_t)); 2119 } 2120 2121 /* 2122 * The early boot code can't print to a usb serial device or the 2123 * graphical boot screen. 2124 * 2125 * The early boot messages are saved in a buffer at the address indicated 2126 * by "deferred-console-buf" This function flushes the message to the 2127 * current console now that it is set up. 2128 */ 2129 static void 2130 flush_deferred_console_buf(void) 2131 { 2132 int rval; 2133 vnode_t *vp; 2134 uint_t defcons_buf; 2135 char *kc, *bc, *defcons_kern_buf; 2136 2137 /* defcons_buf is in low memory, so an int works here */ 2138 defcons_buf = ddi_prop_get_int(DDI_DEV_T_ANY, ddi_root_node(), 2139 DDI_PROP_DONTPASS, "deferred-console-buf", 0); 2140 2141 if (defcons_buf == 0) 2142 return; 2143 2144 /* 2145 * After consconfig() and before userland opens /dev/sysmsg, 2146 * console I/O is goes to polled I/O entry points. 2147 * 2148 * If usb-serial doesn't implement polled I/O, we need 2149 * to open /dev/console now to get kernel console I/O to work. 2150 * We also push ttcompat and ldterm explicitly to get the 2151 * correct output format (autopush isn't set up yet). We 2152 * ignore push errors because they are non-fatal. 2153 * Note that opening /dev/console causes rconsvp to be 2154 * opened as well. 2155 */ 2156 if (cons_polledio == NULL) { 2157 if (vn_open("/dev/console", UIO_SYSSPACE, FWRITE | FNOCTTY, 2158 0, &vp, 0, 0) != 0) 2159 return; 2160 2161 if (rconsvp) { 2162 (void) strioctl(rconsvp, __I_PUSH_NOCTTY, 2163 (intptr_t)"ldterm", FKIOCTL, K_TO_K, kcred, &rval); 2164 (void) strioctl(rconsvp, __I_PUSH_NOCTTY, 2165 (intptr_t)"ttcompat", FKIOCTL, K_TO_K, 2166 kcred, &rval); 2167 } 2168 } 2169 2170 /* 2171 * Copy message to a kernel buffer. Various kernel routines 2172 * expect buffer to be above kernelbase 2173 */ 2174 kc = defcons_kern_buf = kmem_zalloc(MMU_PAGESIZE, KM_SLEEP); 2175 bc = (char *)(uintptr_t)defcons_buf; 2176 while (*kc++ = *bc++) 2177 ; 2178 console_printf("%s", defcons_kern_buf); 2179 2180 kmem_free(defcons_kern_buf, MMU_PAGESIZE); 2181 } 2182 2183 boolean_t 2184 consconfig_console_is_tipline(void) 2185 { 2186 cons_state_t *sp; 2187 2188 if ((sp = (cons_state_t *)space_fetch("consconfig")) == NULL) 2189 return (B_FALSE); 2190 2191 if (sp->cons_input_type == CONSOLE_TIP) 2192 return (B_TRUE); 2193 2194 return (B_FALSE); 2195 } 2196 2197 boolean_t 2198 consconfig_dacf_initialized(void) 2199 { 2200 cons_state_t *sp; 2201 2202 if ((sp = (cons_state_t *)space_fetch("consconfig")) == NULL) 2203 return (B_FALSE); 2204 2205 return (sp->cons_initialized); 2206 } 2207