1 /* $NetBSD: sysmon_envsys.c,v 1.98 2010/03/24 12:15:54 pgoyette Exp $ */ 2 3 /*- 4 * Copyright (c) 2007, 2008 Juan Romero Pardines. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 /*- 29 * Copyright (c) 2000 Zembu Labs, Inc. 30 * All rights reserved. 31 * 32 * Author: Jason R. Thorpe <thorpej@zembu.com> 33 * 34 * Redistribution and use in source and binary forms, with or without 35 * modification, are permitted provided that the following conditions 36 * are met: 37 * 1. Redistributions of source code must retain the above copyright 38 * notice, this list of conditions and the following disclaimer. 39 * 2. Redistributions in binary form must reproduce the above copyright 40 * notice, this list of conditions and the following disclaimer in the 41 * documentation and/or other materials provided with the distribution. 42 * 3. All advertising materials mentioning features or use of this software 43 * must display the following acknowledgement: 44 * This product includes software developed by Zembu Labs, Inc. 45 * 4. Neither the name of Zembu Labs nor the names of its employees may 46 * be used to endorse or promote products derived from this software 47 * without specific prior written permission. 48 * 49 * THIS SOFTWARE IS PROVIDED BY ZEMBU LABS, INC. ``AS IS'' AND ANY EXPRESS 50 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WAR- 51 * RANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DIS- 52 * CLAIMED. IN NO EVENT SHALL ZEMBU LABS BE LIABLE FOR ANY DIRECT, INDIRECT, 53 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 54 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 55 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 56 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 57 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 58 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 59 */ 60 61 /* 62 * Environmental sensor framework for sysmon, exported to userland 63 * with proplib(3). 64 */ 65 66 #include <sys/cdefs.h> 67 __KERNEL_RCSID(0, "$NetBSD: sysmon_envsys.c,v 1.98 2010/03/24 12:15:54 pgoyette Exp $"); 68 69 #include <sys/param.h> 70 #include <sys/types.h> 71 #include <sys/conf.h> 72 #include <sys/errno.h> 73 #include <sys/fcntl.h> 74 #include <sys/kernel.h> 75 #include <sys/systm.h> 76 #include <sys/proc.h> 77 #include <sys/mutex.h> 78 #include <sys/kmem.h> 79 80 /* #define ENVSYS_DEBUG */ 81 #include <dev/sysmon/sysmonvar.h> 82 #include <dev/sysmon/sysmon_envsysvar.h> 83 #include <dev/sysmon/sysmon_taskq.h> 84 85 kmutex_t sme_global_mtx; 86 87 static prop_dictionary_t sme_propd; 88 static uint32_t sysmon_envsys_next_sensor_index; 89 static struct sysmon_envsys *sysmon_envsys_find_40(u_int); 90 91 static void sysmon_envsys_destroy_plist(prop_array_t); 92 static void sme_remove_userprops(void); 93 static int sme_add_property_dictionary(struct sysmon_envsys *, prop_array_t, 94 prop_dictionary_t); 95 static sme_event_drv_t * sme_add_sensor_dictionary(struct sysmon_envsys *, 96 prop_array_t, prop_dictionary_t, envsys_data_t *); 97 static void sme_initial_refresh(void *); 98 static uint32_t sme_get_max_value(struct sysmon_envsys *, 99 bool (*)(const envsys_data_t*), bool); 100 101 /* 102 * sysmon_envsys_init: 103 * 104 * + Initialize global mutex, dictionary and the linked list. 105 */ 106 void 107 sysmon_envsys_init(void) 108 { 109 LIST_INIT(&sysmon_envsys_list); 110 mutex_init(&sme_global_mtx, MUTEX_DEFAULT, IPL_NONE); 111 sme_propd = prop_dictionary_create(); 112 } 113 114 /* 115 * sysmonopen_envsys: 116 * 117 * + Open the system monitor device. 118 */ 119 int 120 sysmonopen_envsys(dev_t dev, int flag, int mode, struct lwp *l) 121 { 122 return 0; 123 } 124 125 /* 126 * sysmonclose_envsys: 127 * 128 * + Close the system monitor device. 129 */ 130 int 131 sysmonclose_envsys(dev_t dev, int flag, int mode, struct lwp *l) 132 { 133 return 0; 134 } 135 136 /* 137 * sysmonioctl_envsys: 138 * 139 * + Perform a sysmon envsys control request. 140 */ 141 int 142 sysmonioctl_envsys(dev_t dev, u_long cmd, void *data, int flag, struct lwp *l) 143 { 144 struct sysmon_envsys *sme = NULL; 145 int error = 0; 146 u_int oidx; 147 148 switch (cmd) { 149 /* 150 * To update the global dictionary with latest data from devices. 151 */ 152 case ENVSYS_GETDICTIONARY: 153 { 154 struct plistref *plist = (struct plistref *)data; 155 156 /* 157 * Update dictionaries on all sysmon envsys devices 158 * registered. 159 */ 160 mutex_enter(&sme_global_mtx); 161 LIST_FOREACH(sme, &sysmon_envsys_list, sme_list) { 162 sysmon_envsys_acquire(sme, false); 163 error = sme_update_dictionary(sme); 164 if (error) { 165 DPRINTF(("%s: sme_update_dictionary, " 166 "error=%d\n", __func__, error)); 167 sysmon_envsys_release(sme, false); 168 mutex_exit(&sme_global_mtx); 169 return error; 170 } 171 sysmon_envsys_release(sme, false); 172 } 173 mutex_exit(&sme_global_mtx); 174 /* 175 * Copy global dictionary to userland. 176 */ 177 error = prop_dictionary_copyout_ioctl(plist, cmd, sme_propd); 178 break; 179 } 180 /* 181 * To set properties on multiple devices. 182 */ 183 case ENVSYS_SETDICTIONARY: 184 { 185 const struct plistref *plist = (const struct plistref *)data; 186 prop_dictionary_t udict; 187 prop_object_iterator_t iter, iter2; 188 prop_object_t obj, obj2; 189 prop_array_t array_u, array_k; 190 const char *devname = NULL; 191 192 if ((flag & FWRITE) == 0) 193 return EPERM; 194 195 /* 196 * Get dictionary from userland. 197 */ 198 error = prop_dictionary_copyin_ioctl(plist, cmd, &udict); 199 if (error) { 200 DPRINTF(("%s: copyin_ioctl error=%d\n", 201 __func__, error)); 202 break; 203 } 204 205 iter = prop_dictionary_iterator(udict); 206 if (!iter) { 207 prop_object_release(udict); 208 return ENOMEM; 209 } 210 211 /* 212 * Iterate over the userland dictionary and process 213 * the list of devices. 214 */ 215 while ((obj = prop_object_iterator_next(iter))) { 216 array_u = prop_dictionary_get_keysym(udict, obj); 217 if (prop_object_type(array_u) != PROP_TYPE_ARRAY) { 218 prop_object_iterator_release(iter); 219 prop_object_release(udict); 220 return EINVAL; 221 } 222 223 devname = prop_dictionary_keysym_cstring_nocopy(obj); 224 DPRINTF(("%s: processing the '%s' array requests\n", 225 __func__, devname)); 226 227 /* 228 * find the correct sme device. 229 */ 230 sme = sysmon_envsys_find(devname); 231 if (!sme) { 232 DPRINTF(("%s: NULL sme\n", __func__)); 233 prop_object_iterator_release(iter); 234 prop_object_release(udict); 235 return EINVAL; 236 } 237 238 /* 239 * Find the correct array object with the string 240 * supplied by the userland dictionary. 241 */ 242 array_k = prop_dictionary_get(sme_propd, devname); 243 if (prop_object_type(array_k) != PROP_TYPE_ARRAY) { 244 DPRINTF(("%s: array device failed\n", 245 __func__)); 246 sysmon_envsys_release(sme, false); 247 prop_object_iterator_release(iter); 248 prop_object_release(udict); 249 return EINVAL; 250 } 251 252 iter2 = prop_array_iterator(array_u); 253 if (!iter2) { 254 sysmon_envsys_release(sme, false); 255 prop_object_iterator_release(iter); 256 prop_object_release(udict); 257 return ENOMEM; 258 } 259 260 /* 261 * Iterate over the array of dictionaries to 262 * process the list of sensors and properties. 263 */ 264 while ((obj2 = prop_object_iterator_next(iter2))) { 265 /* 266 * do the real work now. 267 */ 268 error = sme_userset_dictionary(sme, 269 obj2, 270 array_k); 271 if (error) { 272 sysmon_envsys_release(sme, false); 273 prop_object_iterator_release(iter2); 274 prop_object_iterator_release(iter); 275 prop_object_release(udict); 276 return error; 277 } 278 } 279 280 sysmon_envsys_release(sme, false); 281 prop_object_iterator_release(iter2); 282 } 283 284 prop_object_iterator_release(iter); 285 prop_object_release(udict); 286 break; 287 } 288 /* 289 * To remove all properties from all devices registered. 290 */ 291 case ENVSYS_REMOVEPROPS: 292 { 293 const struct plistref *plist = (const struct plistref *)data; 294 prop_dictionary_t udict; 295 prop_object_t obj; 296 297 if ((flag & FWRITE) == 0) 298 return EPERM; 299 300 error = prop_dictionary_copyin_ioctl(plist, cmd, &udict); 301 if (error) { 302 DPRINTF(("%s: copyin_ioctl error=%d\n", 303 __func__, error)); 304 break; 305 } 306 307 obj = prop_dictionary_get(udict, "envsys-remove-props"); 308 if (!obj || !prop_bool_true(obj)) { 309 DPRINTF(("%s: invalid 'envsys-remove-props'\n", 310 __func__)); 311 return EINVAL; 312 } 313 314 prop_object_release(udict); 315 sme_remove_userprops(); 316 317 break; 318 } 319 /* 320 * Compatibility ioctls with the old interface, only implemented 321 * ENVSYS_GTREDATA and ENVSYS_GTREINFO; enough to make old 322 * applications work. 323 */ 324 case ENVSYS_GTREDATA: 325 { 326 struct envsys_tre_data *tred = (void *)data; 327 envsys_data_t *edata = NULL; 328 bool found = false; 329 330 tred->validflags = 0; 331 332 sme = sysmon_envsys_find_40(tred->sensor); 333 if (!sme) 334 break; 335 336 oidx = tred->sensor; 337 tred->sensor = SME_SENSOR_IDX(sme, tred->sensor); 338 339 DPRINTFOBJ(("%s: sensor=%d oidx=%d dev=%s nsensors=%d\n", 340 __func__, tred->sensor, oidx, sme->sme_name, 341 sme->sme_nsensors)); 342 343 TAILQ_FOREACH(edata, &sme->sme_sensors_list, sensors_head) { 344 if (edata->sensor == tred->sensor) { 345 found = true; 346 break; 347 } 348 } 349 350 if (!found) { 351 sysmon_envsys_release(sme, false); 352 error = ENODEV; 353 break; 354 } 355 356 if (tred->sensor < sme->sme_nsensors) { 357 if ((sme->sme_flags & SME_DISABLE_REFRESH) == 0 && 358 (sme->sme_flags & SME_POLL_ONLY) == 0) { 359 mutex_enter(&sme->sme_mtx); 360 (*sme->sme_refresh)(sme, edata); 361 mutex_exit(&sme->sme_mtx); 362 } 363 364 /* 365 * copy required values to the old interface. 366 */ 367 tred->sensor = edata->sensor; 368 tred->cur.data_us = edata->value_cur; 369 tred->cur.data_s = edata->value_cur; 370 tred->max.data_us = edata->value_max; 371 tred->max.data_s = edata->value_max; 372 tred->min.data_us = edata->value_min; 373 tred->min.data_s = edata->value_min; 374 tred->avg.data_us = edata->value_avg; 375 tred->avg.data_s = edata->value_avg; 376 if (edata->units == ENVSYS_BATTERY_CHARGE) 377 tred->units = ENVSYS_INDICATOR; 378 else 379 tred->units = edata->units; 380 381 tred->validflags |= ENVSYS_FVALID; 382 tred->validflags |= ENVSYS_FCURVALID; 383 384 if (edata->flags & ENVSYS_FPERCENT) { 385 tred->validflags |= ENVSYS_FMAXVALID; 386 tred->validflags |= ENVSYS_FFRACVALID; 387 } 388 389 if (edata->state == ENVSYS_SINVALID) { 390 tred->validflags &= ~ENVSYS_FCURVALID; 391 tred->cur.data_us = tred->cur.data_s = 0; 392 } 393 394 DPRINTFOBJ(("%s: sensor=%s tred->cur.data_s=%d\n", 395 __func__, edata->desc, tred->cur.data_s)); 396 DPRINTFOBJ(("%s: tred->validflags=%d tred->units=%d" 397 " tred->sensor=%d\n", __func__, tred->validflags, 398 tred->units, tred->sensor)); 399 } 400 tred->sensor = oidx; 401 sysmon_envsys_release(sme, false); 402 403 break; 404 } 405 case ENVSYS_GTREINFO: 406 { 407 struct envsys_basic_info *binfo = (void *)data; 408 envsys_data_t *edata = NULL; 409 bool found = false; 410 411 binfo->validflags = 0; 412 413 sme = sysmon_envsys_find_40(binfo->sensor); 414 if (!sme) 415 break; 416 417 oidx = binfo->sensor; 418 binfo->sensor = SME_SENSOR_IDX(sme, binfo->sensor); 419 420 TAILQ_FOREACH(edata, &sme->sme_sensors_list, sensors_head) { 421 if (edata->sensor == binfo->sensor) { 422 found = true; 423 break; 424 } 425 } 426 427 if (!found) { 428 sysmon_envsys_release(sme, false); 429 error = ENODEV; 430 break; 431 } 432 433 binfo->validflags |= ENVSYS_FVALID; 434 435 if (binfo->sensor < sme->sme_nsensors) { 436 if (edata->units == ENVSYS_BATTERY_CHARGE) 437 binfo->units = ENVSYS_INDICATOR; 438 else 439 binfo->units = edata->units; 440 441 /* 442 * previously, the ACPI sensor names included the 443 * device name. Include that in compatibility code. 444 */ 445 if (strncmp(sme->sme_name, "acpi", 4) == 0) 446 (void)snprintf(binfo->desc, sizeof(binfo->desc), 447 "%s %s", sme->sme_name, edata->desc); 448 else 449 (void)strlcpy(binfo->desc, edata->desc, 450 sizeof(binfo->desc)); 451 } 452 453 DPRINTFOBJ(("%s: binfo->units=%d binfo->validflags=%d\n", 454 __func__, binfo->units, binfo->validflags)); 455 DPRINTFOBJ(("%s: binfo->desc=%s binfo->sensor=%d\n", 456 __func__, binfo->desc, binfo->sensor)); 457 458 binfo->sensor = oidx; 459 sysmon_envsys_release(sme, false); 460 461 break; 462 } 463 default: 464 error = ENOTTY; 465 break; 466 } 467 468 return error; 469 } 470 471 /* 472 * sysmon_envsys_create: 473 * 474 * + Allocates a new sysmon_envsys object and initializes the 475 * stuff for sensors and events. 476 */ 477 struct sysmon_envsys * 478 sysmon_envsys_create(void) 479 { 480 struct sysmon_envsys *sme; 481 482 sme = kmem_zalloc(sizeof(*sme), KM_SLEEP); 483 TAILQ_INIT(&sme->sme_sensors_list); 484 LIST_INIT(&sme->sme_events_list); 485 mutex_init(&sme->sme_mtx, MUTEX_DEFAULT, IPL_NONE); 486 cv_init(&sme->sme_condvar, "sme_wait"); 487 488 return sme; 489 } 490 491 /* 492 * sysmon_envsys_destroy: 493 * 494 * + Removes all sensors from the tail queue, destroys the callout 495 * and frees the sysmon_envsys object. 496 */ 497 void 498 sysmon_envsys_destroy(struct sysmon_envsys *sme) 499 { 500 envsys_data_t *edata; 501 502 KASSERT(sme != NULL); 503 504 while (!TAILQ_EMPTY(&sme->sme_sensors_list)) { 505 edata = TAILQ_FIRST(&sme->sme_sensors_list); 506 TAILQ_REMOVE(&sme->sme_sensors_list, edata, sensors_head); 507 } 508 mutex_destroy(&sme->sme_mtx); 509 cv_destroy(&sme->sme_condvar); 510 kmem_free(sme, sizeof(*sme)); 511 } 512 513 /* 514 * sysmon_envsys_sensor_attach: 515 * 516 * + Attachs a sensor into a sysmon_envsys device checking that units 517 * is set to a valid type and description is unique and not empty. 518 */ 519 int 520 sysmon_envsys_sensor_attach(struct sysmon_envsys *sme, envsys_data_t *edata) 521 { 522 const struct sme_description_table *sdt_units; 523 envsys_data_t *oedata; 524 int i; 525 526 KASSERT(sme != NULL || edata != NULL); 527 528 /* 529 * Find the correct units for this sensor. 530 */ 531 sdt_units = sme_get_description_table(SME_DESC_UNITS); 532 for (i = 0; sdt_units[i].type != -1; i++) 533 if (sdt_units[i].type == edata->units) 534 break; 535 536 if (strcmp(sdt_units[i].desc, "unknown") == 0) 537 return EINVAL; 538 539 /* 540 * Check that description is not empty or duplicate. 541 */ 542 if (strlen(edata->desc) == 0) 543 return EINVAL; 544 545 mutex_enter(&sme->sme_mtx); 546 sysmon_envsys_acquire(sme, true); 547 TAILQ_FOREACH(oedata, &sme->sme_sensors_list, sensors_head) { 548 if (strcmp(oedata->desc, edata->desc) == 0) { 549 sysmon_envsys_release(sme, true); 550 mutex_exit(&sme->sme_mtx); 551 return EEXIST; 552 } 553 } 554 /* 555 * Ok, the sensor has been added into the device queue. 556 */ 557 TAILQ_INSERT_TAIL(&sme->sme_sensors_list, edata, sensors_head); 558 559 /* 560 * Give the sensor a index position. 561 */ 562 edata->sensor = sme->sme_nsensors; 563 sme->sme_nsensors++; 564 sysmon_envsys_release(sme, true); 565 mutex_exit(&sme->sme_mtx); 566 567 DPRINTF(("%s: attached #%d (%s), units=%d (%s)\n", 568 __func__, edata->sensor, edata->desc, 569 sdt_units[i].type, sdt_units[i].desc)); 570 571 return 0; 572 } 573 574 /* 575 * sysmon_envsys_sensor_detach: 576 * 577 * + Detachs a sensor from a sysmon_envsys device and decrements the 578 * sensors count on success. 579 */ 580 int 581 sysmon_envsys_sensor_detach(struct sysmon_envsys *sme, envsys_data_t *edata) 582 { 583 envsys_data_t *oedata; 584 bool found = false; 585 586 KASSERT(sme != NULL || edata != NULL); 587 588 /* 589 * Check the sensor is already on the list. 590 */ 591 mutex_enter(&sme->sme_mtx); 592 sysmon_envsys_acquire(sme, true); 593 TAILQ_FOREACH(oedata, &sme->sme_sensors_list, sensors_head) { 594 if (oedata->sensor == edata->sensor) { 595 found = true; 596 break; 597 } 598 } 599 600 if (!found) { 601 sysmon_envsys_release(sme, true); 602 mutex_exit(&sme->sme_mtx); 603 return EINVAL; 604 } 605 606 /* 607 * remove it and decrement the sensors count. 608 */ 609 TAILQ_REMOVE(&sme->sme_sensors_list, edata, sensors_head); 610 sme->sme_nsensors--; 611 sysmon_envsys_release(sme, true); 612 mutex_exit(&sme->sme_mtx); 613 614 return 0; 615 } 616 617 618 /* 619 * sysmon_envsys_register: 620 * 621 * + Register a sysmon envsys device. 622 * + Create array of dictionaries for a device. 623 */ 624 int 625 sysmon_envsys_register(struct sysmon_envsys *sme) 626 { 627 struct sme_evdrv { 628 SLIST_ENTRY(sme_evdrv) evdrv_head; 629 sme_event_drv_t *evdrv; 630 }; 631 SLIST_HEAD(, sme_evdrv) sme_evdrv_list; 632 struct sme_evdrv *evdv = NULL; 633 struct sysmon_envsys *lsme; 634 prop_array_t array = NULL; 635 prop_dictionary_t dict, dict2; 636 envsys_data_t *edata = NULL; 637 sme_event_drv_t *this_evdrv; 638 int nevent; 639 int error = 0; 640 641 KASSERT(sme != NULL); 642 KASSERT(sme->sme_name != NULL); 643 644 /* 645 * Check if requested sysmon_envsys device is valid 646 * and does not exist already in the list. 647 */ 648 mutex_enter(&sme_global_mtx); 649 LIST_FOREACH(lsme, &sysmon_envsys_list, sme_list) { 650 if (strcmp(lsme->sme_name, sme->sme_name) == 0) { 651 mutex_exit(&sme_global_mtx); 652 return EEXIST; 653 } 654 } 655 mutex_exit(&sme_global_mtx); 656 657 /* 658 * sanity check: if SME_DISABLE_REFRESH is not set, 659 * the sme_refresh function callback must be non NULL. 660 */ 661 if ((sme->sme_flags & SME_DISABLE_REFRESH) == 0) 662 if (!sme->sme_refresh) 663 return EINVAL; 664 665 /* 666 * If the list of sensors is empty, there's no point to continue... 667 */ 668 if (TAILQ_EMPTY(&sme->sme_sensors_list)) { 669 DPRINTF(("%s: sensors list empty for %s\n", __func__, 670 sme->sme_name)); 671 return ENOTSUP; 672 } 673 674 /* 675 * Initialize the singly linked list for driver events. 676 */ 677 SLIST_INIT(&sme_evdrv_list); 678 679 array = prop_array_create(); 680 if (!array) 681 return ENOMEM; 682 683 /* 684 * Iterate over all sensors and create a dictionary per sensor. 685 * We must respect the order in which the sensors were added. 686 */ 687 TAILQ_FOREACH(edata, &sme->sme_sensors_list, sensors_head) { 688 dict = prop_dictionary_create(); 689 if (!dict) { 690 error = ENOMEM; 691 goto out2; 692 } 693 694 /* 695 * Create all objects in sensor's dictionary. 696 */ 697 this_evdrv = sme_add_sensor_dictionary(sme, array, 698 dict, edata); 699 if (this_evdrv) { 700 evdv = kmem_zalloc(sizeof(*evdv), KM_SLEEP); 701 evdv->evdrv = this_evdrv; 702 SLIST_INSERT_HEAD(&sme_evdrv_list, evdv, evdrv_head); 703 } 704 } 705 706 /* 707 * If the array does not contain any object (sensor), there's 708 * no need to attach the driver. 709 */ 710 if (prop_array_count(array) == 0) { 711 error = EINVAL; 712 DPRINTF(("%s: empty array for '%s'\n", __func__, 713 sme->sme_name)); 714 goto out; 715 } 716 717 /* 718 * Add the dictionary for the global properties of this device. 719 */ 720 dict2 = prop_dictionary_create(); 721 if (!dict2) { 722 error = ENOMEM; 723 goto out; 724 } 725 726 error = sme_add_property_dictionary(sme, array, dict2); 727 if (error) { 728 prop_object_release(dict2); 729 goto out; 730 } 731 732 /* 733 * Add the array into the global dictionary for the driver. 734 * 735 * <dict> 736 * <key>foo0</key> 737 * <array> 738 * ... 739 */ 740 mutex_enter(&sme_global_mtx); 741 if (!prop_dictionary_set(sme_propd, sme->sme_name, array)) { 742 error = EINVAL; 743 DPRINTF(("%s: prop_dictionary_set for '%s'\n", __func__, 744 sme->sme_name)); 745 goto out; 746 } 747 748 /* 749 * Add the device into the list. 750 */ 751 LIST_INSERT_HEAD(&sysmon_envsys_list, sme, sme_list); 752 sme->sme_fsensor = sysmon_envsys_next_sensor_index; 753 sysmon_envsys_next_sensor_index += sme->sme_nsensors; 754 mutex_exit(&sme_global_mtx); 755 756 out: 757 /* 758 * No errors? Make an initial data refresh if was requested, 759 * then register the events that were set in the driver. Do 760 * the refresh first in case it is needed to establish the 761 * limits or max_value needed by some events. 762 */ 763 if (error == 0) { 764 nevent = 0; 765 sysmon_task_queue_init(); 766 767 if (sme->sme_flags & SME_INIT_REFRESH) { 768 sysmon_task_queue_sched(0, sme_initial_refresh, sme); 769 DPRINTF(("%s: scheduled initial refresh for '%s'\n", 770 __func__, sme->sme_name)); 771 } 772 SLIST_FOREACH(evdv, &sme_evdrv_list, evdrv_head) { 773 sysmon_task_queue_sched(0, 774 sme_event_drvadd, evdv->evdrv); 775 nevent++; 776 } 777 DPRINTF(("%s: driver '%s' registered (nsens=%d nevent=%d)\n", 778 __func__, sme->sme_name, sme->sme_nsensors, nevent)); 779 } 780 781 out2: 782 while (!SLIST_EMPTY(&sme_evdrv_list)) { 783 evdv = SLIST_FIRST(&sme_evdrv_list); 784 SLIST_REMOVE_HEAD(&sme_evdrv_list, evdrv_head); 785 kmem_free(evdv, sizeof(*evdv)); 786 } 787 if (!error) 788 return 0; 789 790 /* 791 * Ugh... something wasn't right; unregister all events and sensors 792 * previously assigned and destroy the array with all its objects. 793 */ 794 DPRINTF(("%s: failed to register '%s' (%d)\n", __func__, 795 sme->sme_name, error)); 796 797 sme_event_unregister_all(sme); 798 while (!TAILQ_EMPTY(&sme->sme_sensors_list)) { 799 edata = TAILQ_FIRST(&sme->sme_sensors_list); 800 TAILQ_REMOVE(&sme->sme_sensors_list, edata, sensors_head); 801 } 802 sysmon_envsys_destroy_plist(array); 803 return error; 804 } 805 806 /* 807 * sysmon_envsys_destroy_plist: 808 * 809 * + Remove all objects from the array of dictionaries that is 810 * created in a sysmon envsys device. 811 */ 812 static void 813 sysmon_envsys_destroy_plist(prop_array_t array) 814 { 815 prop_object_iterator_t iter, iter2; 816 prop_dictionary_t dict; 817 prop_object_t obj; 818 819 KASSERT(array != NULL); 820 KASSERT(prop_object_type(array) == PROP_TYPE_ARRAY); 821 822 DPRINTFOBJ(("%s: objects in array=%d\n", __func__, 823 prop_array_count(array))); 824 825 iter = prop_array_iterator(array); 826 if (!iter) 827 return; 828 829 while ((dict = prop_object_iterator_next(iter))) { 830 KASSERT(prop_object_type(dict) == PROP_TYPE_DICTIONARY); 831 iter2 = prop_dictionary_iterator(dict); 832 if (!iter2) 833 goto out; 834 DPRINTFOBJ(("%s: iterating over dictionary\n", __func__)); 835 while ((obj = prop_object_iterator_next(iter2)) != NULL) { 836 DPRINTFOBJ(("%s: obj=%s\n", __func__, 837 prop_dictionary_keysym_cstring_nocopy(obj))); 838 prop_dictionary_remove(dict, 839 prop_dictionary_keysym_cstring_nocopy(obj)); 840 prop_object_iterator_reset(iter2); 841 } 842 prop_object_iterator_release(iter2); 843 DPRINTFOBJ(("%s: objects in dictionary:%d\n", 844 __func__, prop_dictionary_count(dict))); 845 prop_object_release(dict); 846 } 847 848 out: 849 prop_object_iterator_release(iter); 850 prop_object_release(array); 851 } 852 853 /* 854 * sysmon_envsys_unregister: 855 * 856 * + Unregister a sysmon envsys device. 857 */ 858 void 859 sysmon_envsys_unregister(struct sysmon_envsys *sme) 860 { 861 prop_array_t array; 862 863 KASSERT(sme != NULL); 864 865 /* 866 * Unregister all events associated with device. 867 */ 868 sme_event_unregister_all(sme); 869 /* 870 * Decrement global sensors counter (only used for compatibility 871 * with previous API) and remove the device from the list. 872 */ 873 mutex_enter(&sme_global_mtx); 874 sysmon_envsys_next_sensor_index -= sme->sme_nsensors; 875 LIST_REMOVE(sme, sme_list); 876 mutex_exit(&sme_global_mtx); 877 878 /* 879 * Remove the device (and all its objects) from the global dictionary. 880 */ 881 array = prop_dictionary_get(sme_propd, sme->sme_name); 882 if (array && prop_object_type(array) == PROP_TYPE_ARRAY) { 883 mutex_enter(&sme_global_mtx); 884 prop_dictionary_remove(sme_propd, sme->sme_name); 885 mutex_exit(&sme_global_mtx); 886 sysmon_envsys_destroy_plist(array); 887 } 888 /* 889 * And finally destroy the sysmon_envsys object. 890 */ 891 sysmon_envsys_destroy(sme); 892 } 893 894 /* 895 * sysmon_envsys_find: 896 * 897 * + Find a sysmon envsys device and mark it as busy 898 * once it's available. 899 */ 900 struct sysmon_envsys * 901 sysmon_envsys_find(const char *name) 902 { 903 struct sysmon_envsys *sme; 904 905 mutex_enter(&sme_global_mtx); 906 LIST_FOREACH(sme, &sysmon_envsys_list, sme_list) { 907 if (strcmp(sme->sme_name, name) == 0) { 908 sysmon_envsys_acquire(sme, false); 909 break; 910 } 911 } 912 mutex_exit(&sme_global_mtx); 913 914 return sme; 915 } 916 917 /* 918 * Compatibility function with the old API. 919 */ 920 struct sysmon_envsys * 921 sysmon_envsys_find_40(u_int idx) 922 { 923 struct sysmon_envsys *sme; 924 925 mutex_enter(&sme_global_mtx); 926 LIST_FOREACH(sme, &sysmon_envsys_list, sme_list) { 927 if (idx >= sme->sme_fsensor && 928 idx < (sme->sme_fsensor + sme->sme_nsensors)) { 929 sysmon_envsys_acquire(sme, false); 930 break; 931 } 932 } 933 mutex_exit(&sme_global_mtx); 934 935 return sme; 936 } 937 938 /* 939 * sysmon_envsys_acquire: 940 * 941 * + Wait until a sysmon envsys device is available and mark 942 * it as busy. 943 */ 944 void 945 sysmon_envsys_acquire(struct sysmon_envsys *sme, bool locked) 946 { 947 KASSERT(sme != NULL); 948 949 if (locked) { 950 while (sme->sme_flags & SME_FLAG_BUSY) 951 cv_wait(&sme->sme_condvar, &sme->sme_mtx); 952 sme->sme_flags |= SME_FLAG_BUSY; 953 } else { 954 mutex_enter(&sme->sme_mtx); 955 while (sme->sme_flags & SME_FLAG_BUSY) 956 cv_wait(&sme->sme_condvar, &sme->sme_mtx); 957 sme->sme_flags |= SME_FLAG_BUSY; 958 mutex_exit(&sme->sme_mtx); 959 } 960 } 961 962 /* 963 * sysmon_envsys_release: 964 * 965 * + Unmark a sysmon envsys device as busy, and notify 966 * waiters. 967 */ 968 void 969 sysmon_envsys_release(struct sysmon_envsys *sme, bool locked) 970 { 971 KASSERT(sme != NULL); 972 973 if (locked) { 974 sme->sme_flags &= ~SME_FLAG_BUSY; 975 cv_broadcast(&sme->sme_condvar); 976 } else { 977 mutex_enter(&sme->sme_mtx); 978 sme->sme_flags &= ~SME_FLAG_BUSY; 979 cv_broadcast(&sme->sme_condvar); 980 mutex_exit(&sme->sme_mtx); 981 } 982 } 983 984 /* 985 * sme_initial_refresh: 986 * 987 * + Do an initial refresh of the sensors in a device just after 988 * interrupts are enabled in the autoconf(9) process. 989 * 990 */ 991 static void 992 sme_initial_refresh(void *arg) 993 { 994 struct sysmon_envsys *sme = arg; 995 envsys_data_t *edata; 996 997 mutex_enter(&sme->sme_mtx); 998 sysmon_envsys_acquire(sme, true); 999 TAILQ_FOREACH(edata, &sme->sme_sensors_list, sensors_head) 1000 if ((sme->sme_flags & SME_DISABLE_REFRESH) == 0) 1001 (*sme->sme_refresh)(sme, edata); 1002 sysmon_envsys_release(sme, true); 1003 mutex_exit(&sme->sme_mtx); 1004 } 1005 1006 /* 1007 * sme_sensor_dictionary_get: 1008 * 1009 * + Returns a dictionary of a device specified by its index 1010 * position. 1011 */ 1012 prop_dictionary_t 1013 sme_sensor_dictionary_get(prop_array_t array, const char *index) 1014 { 1015 prop_object_iterator_t iter; 1016 prop_dictionary_t dict; 1017 prop_object_t obj; 1018 1019 KASSERT(array != NULL || index != NULL); 1020 1021 iter = prop_array_iterator(array); 1022 if (!iter) 1023 return NULL; 1024 1025 while ((dict = prop_object_iterator_next(iter))) { 1026 obj = prop_dictionary_get(dict, "index"); 1027 if (prop_string_equals_cstring(obj, index)) 1028 break; 1029 } 1030 1031 prop_object_iterator_release(iter); 1032 return dict; 1033 } 1034 1035 /* 1036 * sme_remove_userprops: 1037 * 1038 * + Remove all properties from all devices that were set by 1039 * the ENVSYS_SETDICTIONARY ioctl. 1040 */ 1041 static void 1042 sme_remove_userprops(void) 1043 { 1044 struct sysmon_envsys *sme; 1045 prop_array_t array; 1046 prop_dictionary_t sdict; 1047 envsys_data_t *edata = NULL; 1048 char tmp[ENVSYS_DESCLEN]; 1049 int ptype; 1050 1051 mutex_enter(&sme_global_mtx); 1052 LIST_FOREACH(sme, &sysmon_envsys_list, sme_list) { 1053 sysmon_envsys_acquire(sme, false); 1054 array = prop_dictionary_get(sme_propd, sme->sme_name); 1055 1056 TAILQ_FOREACH(edata, &sme->sme_sensors_list, sensors_head) { 1057 (void)snprintf(tmp, sizeof(tmp), "sensor%d", 1058 edata->sensor); 1059 sdict = sme_sensor_dictionary_get(array, tmp); 1060 KASSERT(sdict != NULL); 1061 1062 ptype = 0; 1063 if (edata->upropset & PROP_BATTCAP) { 1064 prop_dictionary_remove(sdict, 1065 "critical-capacity"); 1066 ptype = PENVSYS_EVENT_CAPACITY; 1067 } 1068 1069 if (edata->upropset & PROP_BATTWARN) { 1070 prop_dictionary_remove(sdict, 1071 "warning-capacity"); 1072 ptype = PENVSYS_EVENT_CAPACITY; 1073 } 1074 1075 if (edata->upropset & PROP_BATTHIGH) { 1076 prop_dictionary_remove(sdict, 1077 "high-capacity"); 1078 ptype = PENVSYS_EVENT_CAPACITY; 1079 } 1080 1081 if (edata->upropset & PROP_BATTMAX) { 1082 prop_dictionary_remove(sdict, 1083 "maximum-capacity"); 1084 ptype = PENVSYS_EVENT_CAPACITY; 1085 } 1086 if (ptype != 0) 1087 sme_event_unregister(sme, edata->desc, ptype); 1088 1089 ptype = 0; 1090 if (edata->upropset & PROP_WARNMAX) { 1091 prop_dictionary_remove(sdict, "warning-max"); 1092 ptype = PENVSYS_EVENT_LIMITS; 1093 } 1094 1095 if (edata->upropset & PROP_WARNMIN) { 1096 prop_dictionary_remove(sdict, "warning-min"); 1097 ptype = PENVSYS_EVENT_LIMITS; 1098 } 1099 1100 if (edata->upropset & PROP_CRITMAX) { 1101 prop_dictionary_remove(sdict, "critical-max"); 1102 ptype = PENVSYS_EVENT_LIMITS; 1103 } 1104 1105 if (edata->upropset & PROP_CRITMIN) { 1106 prop_dictionary_remove(sdict, "critical-min"); 1107 ptype = PENVSYS_EVENT_LIMITS; 1108 } 1109 if (ptype != 0) 1110 sme_event_unregister(sme, edata->desc, ptype); 1111 1112 if (edata->upropset & PROP_RFACT) { 1113 (void)sme_sensor_upint32(sdict, "rfact", 0); 1114 edata->rfact = 0; 1115 } 1116 1117 if (edata->upropset & PROP_DESC) 1118 (void)sme_sensor_upstring(sdict, 1119 "description", edata->desc); 1120 1121 if (edata->upropset) 1122 edata->upropset = 0; 1123 } 1124 1125 /* 1126 * Restore default timeout value. 1127 */ 1128 sme->sme_events_timeout = SME_EVENTS_DEFTIMEOUT; 1129 sysmon_envsys_release(sme, false); 1130 } 1131 mutex_exit(&sme_global_mtx); 1132 } 1133 1134 /* 1135 * sme_add_property_dictionary: 1136 * 1137 * + Add global properties into a device. 1138 */ 1139 static int 1140 sme_add_property_dictionary(struct sysmon_envsys *sme, prop_array_t array, 1141 prop_dictionary_t dict) 1142 { 1143 prop_dictionary_t pdict; 1144 int error = 0; 1145 1146 pdict = prop_dictionary_create(); 1147 if (!pdict) 1148 return EINVAL; 1149 1150 /* 1151 * Add the 'refresh-timeout' object into the 'device-properties' 1152 * dictionary. We use by default 30 seconds. 1153 * 1154 * ... 1155 * <dict> 1156 * <key>device-properties</key> 1157 * <dict> 1158 * <key>refresh-timeout</key> 1159 * <integer>120</integer< 1160 * </dict< 1161 * </dict> 1162 * ... 1163 * 1164 */ 1165 if (!sme->sme_events_timeout) 1166 sme->sme_events_timeout = SME_EVENTS_DEFTIMEOUT; 1167 1168 if (!prop_dictionary_set_uint64(pdict, "refresh-timeout", 1169 sme->sme_events_timeout)) { 1170 error = EINVAL; 1171 goto out; 1172 } 1173 1174 if (!prop_dictionary_set(dict, "device-properties", pdict)) { 1175 error = EINVAL; 1176 goto out; 1177 } 1178 1179 /* 1180 * Add the device dictionary into the sysmon envsys array. 1181 */ 1182 if (!prop_array_add(array, dict)) 1183 error = EINVAL; 1184 1185 out: 1186 prop_object_release(pdict); 1187 return error; 1188 } 1189 1190 /* 1191 * sme_add_sensor_dictionary: 1192 * 1193 * + Adds the sensor objects into the dictionary and returns a pointer 1194 * to a sme_event_drv_t object if a monitoring flag was set 1195 * (or NULL otherwise). 1196 */ 1197 static sme_event_drv_t * 1198 sme_add_sensor_dictionary(struct sysmon_envsys *sme, prop_array_t array, 1199 prop_dictionary_t dict, envsys_data_t *edata) 1200 { 1201 const struct sme_description_table *sdt, *sdt_units; 1202 sme_event_drv_t *sme_evdrv_t = NULL; 1203 int i, j; 1204 char indexstr[ENVSYS_DESCLEN]; 1205 1206 /* 1207 * Find the correct units for this sensor. 1208 */ 1209 sdt_units = sme_get_description_table(SME_DESC_UNITS); 1210 for (i = 0; sdt_units[i].type != -1; i++) 1211 if (sdt_units[i].type == edata->units) 1212 break; 1213 1214 /* 1215 * Add the index sensor string. 1216 * 1217 * ... 1218 * <key>index</eyr 1219 * <string>sensor0</string> 1220 * ... 1221 */ 1222 (void)snprintf(indexstr, sizeof(indexstr), "sensor%d", edata->sensor); 1223 if (sme_sensor_upstring(dict, "index", indexstr)) 1224 goto bad; 1225 1226 /* 1227 * ... 1228 * <key>type</key> 1229 * <string>foo</string> 1230 * <key>description</key> 1231 * <string>blah blah</string> 1232 * ... 1233 */ 1234 if (sme_sensor_upstring(dict, "type", sdt_units[i].desc)) 1235 goto bad; 1236 1237 if (sme_sensor_upstring(dict, "description", edata->desc)) 1238 goto bad; 1239 1240 /* 1241 * Add sensor's state description. 1242 * 1243 * ... 1244 * <key>state</key> 1245 * <string>valid</string> 1246 * ... 1247 */ 1248 sdt = sme_get_description_table(SME_DESC_STATES); 1249 for (j = 0; sdt[j].type != -1; j++) 1250 if (sdt[j].type == edata->state) 1251 break; 1252 1253 DPRINTF(("%s: sensor desc=%s type=%d state=%d\n", 1254 __func__, edata->desc, edata->units, edata->state)); 1255 1256 if (sme_sensor_upstring(dict, "state", sdt[j].desc)) 1257 goto bad; 1258 1259 /* 1260 * Add the monitoring boolean object: 1261 * 1262 * ... 1263 * <key>monitoring-supported</key> 1264 * <true/> 1265 * ... 1266 * 1267 * always false on Battery {capacity,charge}, Drive and Indicator types. 1268 * They cannot be monitored. 1269 * 1270 */ 1271 if ((edata->flags & ENVSYS_FMONNOTSUPP) || 1272 (edata->units == ENVSYS_INDICATOR) || 1273 (edata->units == ENVSYS_DRIVE) || 1274 (edata->units == ENVSYS_BATTERY_CAPACITY) || 1275 (edata->units == ENVSYS_BATTERY_CHARGE)) { 1276 if (sme_sensor_upbool(dict, "monitoring-supported", false)) 1277 goto out; 1278 } else { 1279 if (sme_sensor_upbool(dict, "monitoring-supported", true)) 1280 goto out; 1281 } 1282 1283 /* 1284 * Add the percentage boolean object, true if ENVSYS_FPERCENT 1285 * is set or false otherwise. 1286 * 1287 * ... 1288 * <key>want-percentage</key> 1289 * <true/> 1290 * ... 1291 */ 1292 if (edata->flags & ENVSYS_FPERCENT) 1293 if (sme_sensor_upbool(dict, "want-percentage", true)) 1294 goto out; 1295 1296 /* 1297 * Add the allow-rfact boolean object, true if 1298 * ENVSYS_FCHANGERFACT if set or false otherwise. 1299 * 1300 * ... 1301 * <key>allow-rfact</key> 1302 * <true/> 1303 * ... 1304 */ 1305 if (edata->units == ENVSYS_SVOLTS_DC || 1306 edata->units == ENVSYS_SVOLTS_AC) { 1307 if (edata->flags & ENVSYS_FCHANGERFACT) { 1308 if (sme_sensor_upbool(dict, "allow-rfact", true)) 1309 goto out; 1310 } else { 1311 if (sme_sensor_upbool(dict, "allow-rfact", false)) 1312 goto out; 1313 } 1314 } 1315 1316 /* 1317 * Add the object for battery capacity sensors: 1318 * 1319 * ... 1320 * <key>battery-capacity</key> 1321 * <string>NORMAL</string> 1322 * ... 1323 */ 1324 if (edata->units == ENVSYS_BATTERY_CAPACITY) { 1325 sdt = sme_get_description_table(SME_DESC_BATTERY_CAPACITY); 1326 for (j = 0; sdt[j].type != -1; j++) 1327 if (sdt[j].type == edata->value_cur) 1328 break; 1329 1330 if (sme_sensor_upstring(dict, "battery-capacity", sdt[j].desc)) 1331 goto out; 1332 } 1333 1334 /* 1335 * Add the drive-state object for drive sensors: 1336 * 1337 * ... 1338 * <key>drive-state</key> 1339 * <string>drive is online</string> 1340 * ... 1341 */ 1342 if (edata->units == ENVSYS_DRIVE) { 1343 sdt = sme_get_description_table(SME_DESC_DRIVE_STATES); 1344 for (j = 0; sdt[j].type != -1; j++) 1345 if (sdt[j].type == edata->value_cur) 1346 break; 1347 1348 if (sme_sensor_upstring(dict, "drive-state", sdt[j].desc)) 1349 goto out; 1350 } 1351 1352 /* 1353 * Add the following objects if sensor is enabled... 1354 */ 1355 if (edata->state == ENVSYS_SVALID) { 1356 /* 1357 * Add the following objects: 1358 * 1359 * ... 1360 * <key>rpms</key> 1361 * <integer>2500</integer> 1362 * <key>rfact</key> 1363 * <integer>10000</integer> 1364 * <key>cur-value</key> 1365 * <integer>1250</integer> 1366 * <key>min-value</key> 1367 * <integer>800</integer> 1368 * <key>max-value</integer> 1369 * <integer>3000</integer> 1370 * <key>avg-value</integer> 1371 * <integer>1400</integer> 1372 * ... 1373 */ 1374 if (edata->units == ENVSYS_SFANRPM) 1375 if (sme_sensor_upuint32(dict, "rpms", edata->rpms)) 1376 goto out; 1377 1378 if (edata->units == ENVSYS_SVOLTS_AC || 1379 edata->units == ENVSYS_SVOLTS_DC) 1380 if (sme_sensor_upint32(dict, "rfact", edata->rfact)) 1381 goto out; 1382 1383 if (sme_sensor_upint32(dict, "cur-value", edata->value_cur)) 1384 goto out; 1385 1386 if (edata->flags & ENVSYS_FVALID_MIN) { 1387 if (sme_sensor_upint32(dict, 1388 "min-value", 1389 edata->value_min)) 1390 goto out; 1391 } 1392 1393 if (edata->flags & ENVSYS_FVALID_MAX) { 1394 if (sme_sensor_upint32(dict, 1395 "max-value", 1396 edata->value_max)) 1397 goto out; 1398 } 1399 1400 if (edata->flags & ENVSYS_FVALID_AVG) { 1401 if (sme_sensor_upint32(dict, 1402 "avg-value", 1403 edata->value_avg)) 1404 goto out; 1405 } 1406 } 1407 1408 /* 1409 * ... 1410 * </dict> 1411 * 1412 * Add the dictionary into the array. 1413 * 1414 */ 1415 if (!prop_array_add(array, dict)) { 1416 DPRINTF(("%s: prop_array_add\n", __func__)); 1417 goto bad; 1418 } 1419 1420 /* 1421 * Register new event(s) if any monitoring flag was set. 1422 */ 1423 if (edata->flags & ENVSYS_FMONANY) { 1424 sme_evdrv_t = kmem_zalloc(sizeof(*sme_evdrv_t), KM_SLEEP); 1425 sme_evdrv_t->sed_sdict = dict; 1426 sme_evdrv_t->sed_edata = edata; 1427 sme_evdrv_t->sed_sme = sme; 1428 sme_evdrv_t->sed_powertype = sdt_units[i].crittype; 1429 } 1430 1431 out: 1432 return sme_evdrv_t; 1433 1434 bad: 1435 prop_object_release(dict); 1436 return NULL; 1437 } 1438 1439 /* 1440 * Find the maximum of all currently reported values. 1441 * The provided callback decides wether a sensor is part of the 1442 * maximum calculation (by returning true) or ignored (callback 1443 * returns false). Example usage: callback selects temperature 1444 * sensors in a given thermal zone, the function calculates the 1445 * maximum currently reported temperature in this zone. 1446 * If the parameter "refresh" is true, new values will be aquired 1447 * from the hardware, if not, the last reported value will be used. 1448 */ 1449 uint32_t 1450 sysmon_envsys_get_max_value(bool (*predicate)(const envsys_data_t*), 1451 bool refresh) 1452 { 1453 struct sysmon_envsys *sme; 1454 uint32_t maxv, v; 1455 1456 maxv = 0; 1457 mutex_enter(&sme_global_mtx); 1458 LIST_FOREACH(sme, &sysmon_envsys_list, sme_list) { 1459 sysmon_envsys_acquire(sme, false); 1460 v = sme_get_max_value(sme, predicate, refresh); 1461 sysmon_envsys_release(sme, false); 1462 if (v > maxv) 1463 maxv = v; 1464 } 1465 mutex_exit(&sme_global_mtx); 1466 return maxv; 1467 } 1468 1469 static uint32_t 1470 sme_get_max_value(struct sysmon_envsys *sme, 1471 bool (*predicate)(const envsys_data_t*), 1472 bool refresh) 1473 { 1474 envsys_data_t *edata; 1475 uint32_t maxv, v; 1476 1477 /* 1478 * Iterate over all sensors that match the predicate 1479 */ 1480 maxv = 0; 1481 TAILQ_FOREACH(edata, &sme->sme_sensors_list, sensors_head) { 1482 if (!(*predicate)(edata)) 1483 continue; 1484 1485 /* 1486 * refresh sensor data via sme_refresh only if the 1487 * flag is not set. 1488 */ 1489 if (refresh && (sme->sme_flags & SME_DISABLE_REFRESH) == 0) { 1490 mutex_enter(&sme->sme_mtx); 1491 (*sme->sme_refresh)(sme, edata); 1492 mutex_exit(&sme->sme_mtx); 1493 } 1494 1495 v = edata->value_cur; 1496 if (v > maxv) 1497 maxv = v; 1498 1499 } 1500 1501 return maxv; 1502 } 1503 1504 /* 1505 * sme_update_dictionary: 1506 * 1507 * + Update per-sensor dictionaries with new values if there were 1508 * changes, otherwise the object in dictionary is untouched. 1509 */ 1510 int 1511 sme_update_dictionary(struct sysmon_envsys *sme) 1512 { 1513 const struct sme_description_table *sdt; 1514 envsys_data_t *edata; 1515 prop_object_t array, dict, obj, obj2; 1516 int j, error = 0; 1517 1518 /* 1519 * Retrieve the array of dictionaries in device. 1520 */ 1521 array = prop_dictionary_get(sme_propd, sme->sme_name); 1522 if (prop_object_type(array) != PROP_TYPE_ARRAY) { 1523 DPRINTF(("%s: not an array (%s)\n", __func__, sme->sme_name)); 1524 return EINVAL; 1525 } 1526 1527 /* 1528 * Get the last dictionary on the array, this contains the 1529 * 'device-properties' sub-dictionary. 1530 */ 1531 obj = prop_array_get(array, prop_array_count(array) - 1); 1532 if (!obj || prop_object_type(obj) != PROP_TYPE_DICTIONARY) { 1533 DPRINTF(("%s: not a device-properties dictionary\n", __func__)); 1534 return EINVAL; 1535 } 1536 1537 obj2 = prop_dictionary_get(obj, "device-properties"); 1538 if (!obj2) 1539 return EINVAL; 1540 1541 /* 1542 * Update the 'refresh-timeout' property. 1543 */ 1544 if (!prop_dictionary_set_uint64(obj2, "refresh-timeout", 1545 sme->sme_events_timeout)) 1546 return EINVAL; 1547 1548 /* 1549 * - iterate over all sensors. 1550 * - fetch new data. 1551 * - check if data in dictionary is different than new data. 1552 * - update dictionary if there were changes. 1553 */ 1554 DPRINTF(("%s: updating '%s' with nsensors=%d\n", __func__, 1555 sme->sme_name, sme->sme_nsensors)); 1556 1557 /* 1558 * Don't bother with locking when traversing the queue, 1559 * the device is already marked as busy; if a sensor 1560 * is going to be removed or added it will have to wait. 1561 */ 1562 TAILQ_FOREACH(edata, &sme->sme_sensors_list, sensors_head) { 1563 /* 1564 * refresh sensor data via sme_refresh only if the 1565 * flag is not set. 1566 */ 1567 if ((sme->sme_flags & SME_DISABLE_REFRESH) == 0) { 1568 mutex_enter(&sme->sme_mtx); 1569 (*sme->sme_refresh)(sme, edata); 1570 mutex_exit(&sme->sme_mtx); 1571 } 1572 1573 /* 1574 * retrieve sensor's dictionary. 1575 */ 1576 dict = prop_array_get(array, edata->sensor); 1577 if (prop_object_type(dict) != PROP_TYPE_DICTIONARY) { 1578 DPRINTF(("%s: not a dictionary (%d:%s)\n", 1579 __func__, edata->sensor, sme->sme_name)); 1580 return EINVAL; 1581 } 1582 1583 /* 1584 * update sensor's state. 1585 */ 1586 sdt = sme_get_description_table(SME_DESC_STATES); 1587 for (j = 0; sdt[j].type != -1; j++) 1588 if (sdt[j].type == edata->state) 1589 break; 1590 1591 DPRINTFOBJ(("%s: sensor #%d type=%d (%s) flags=%d\n", 1592 __func__, edata->sensor, sdt[j].type, sdt[j].desc, 1593 edata->flags)); 1594 1595 error = sme_sensor_upstring(dict, "state", sdt[j].desc); 1596 if (error) 1597 break; 1598 1599 /* 1600 * update sensor's type. 1601 */ 1602 sdt = sme_get_description_table(SME_DESC_UNITS); 1603 for (j = 0; sdt[j].type != -1; j++) 1604 if (sdt[j].type == edata->units) 1605 break; 1606 1607 DPRINTFOBJ(("%s: sensor #%d units=%d (%s)\n", 1608 __func__, edata->sensor, sdt[j].type, sdt[j].desc)); 1609 1610 error = sme_sensor_upstring(dict, "type", sdt[j].desc); 1611 if (error) 1612 break; 1613 1614 /* 1615 * update sensor's current value. 1616 */ 1617 error = sme_sensor_upint32(dict, 1618 "cur-value", 1619 edata->value_cur); 1620 if (error) 1621 break; 1622 1623 /* 1624 * Battery charge, Integer and Indicator types do not 1625 * need the following objects, so skip them. 1626 */ 1627 if (edata->units == ENVSYS_INTEGER || 1628 edata->units == ENVSYS_INDICATOR || 1629 edata->units == ENVSYS_BATTERY_CHARGE) 1630 continue; 1631 1632 /* 1633 * update sensor flags. 1634 */ 1635 if (edata->flags & ENVSYS_FPERCENT) { 1636 error = sme_sensor_upbool(dict, 1637 "want-percentage", 1638 true); 1639 if (error) 1640 break; 1641 } 1642 1643 /* 1644 * update sensor's {avg,max,min}-value. 1645 */ 1646 if (edata->flags & ENVSYS_FVALID_MAX) { 1647 error = sme_sensor_upint32(dict, 1648 "max-value", 1649 edata->value_max); 1650 if (error) 1651 break; 1652 } 1653 1654 if (edata->flags & ENVSYS_FVALID_MIN) { 1655 error = sme_sensor_upint32(dict, 1656 "min-value", 1657 edata->value_min); 1658 if (error) 1659 break; 1660 } 1661 1662 if (edata->flags & ENVSYS_FVALID_AVG) { 1663 error = sme_sensor_upint32(dict, 1664 "avg-value", 1665 edata->value_avg); 1666 if (error) 1667 break; 1668 } 1669 1670 /* 1671 * update 'rpms' only for ENVSYS_SFANRPM sensors. 1672 */ 1673 if (edata->units == ENVSYS_SFANRPM) { 1674 error = sme_sensor_upuint32(dict, 1675 "rpms", 1676 edata->rpms); 1677 if (error) 1678 break; 1679 } 1680 1681 /* 1682 * update 'rfact' only for ENVSYS_SVOLTS_[AD]C sensors. 1683 */ 1684 if (edata->units == ENVSYS_SVOLTS_AC || 1685 edata->units == ENVSYS_SVOLTS_DC) { 1686 error = sme_sensor_upint32(dict, 1687 "rfact", 1688 edata->rfact); 1689 if (error) 1690 break; 1691 } 1692 1693 /* 1694 * update 'drive-state' only for ENVSYS_DRIVE sensors. 1695 */ 1696 if (edata->units == ENVSYS_DRIVE) { 1697 sdt = sme_get_description_table(SME_DESC_DRIVE_STATES); 1698 for (j = 0; sdt[j].type != -1; j++) 1699 if (sdt[j].type == edata->value_cur) 1700 break; 1701 1702 error = sme_sensor_upstring(dict, 1703 "drive-state", 1704 sdt[j].desc); 1705 if (error) 1706 break; 1707 } 1708 1709 /* 1710 * update 'battery-capacity' only for ENVSYS_BATTERY_CAPACITY 1711 * sensors. 1712 */ 1713 if (edata->units == ENVSYS_BATTERY_CAPACITY) { 1714 sdt = 1715 sme_get_description_table(SME_DESC_BATTERY_CAPACITY); 1716 for (j = 0; sdt[j].type != -1; j++) 1717 if (sdt[j].type == edata->value_cur) 1718 break; 1719 1720 error = sme_sensor_upstring(dict, 1721 "battery-capacity", 1722 sdt[j].desc); 1723 if (error) 1724 break; 1725 } 1726 } 1727 1728 return error; 1729 } 1730 1731 /* 1732 * sme_userset_dictionary: 1733 * 1734 * + Parse the userland dictionary and run the appropiate tasks 1735 * that were specified. 1736 */ 1737 int 1738 sme_userset_dictionary(struct sysmon_envsys *sme, prop_dictionary_t udict, 1739 prop_array_t array) 1740 { 1741 const struct sme_description_table *sdt; 1742 envsys_data_t *edata; 1743 prop_dictionary_t dict, tdict = NULL; 1744 prop_object_t obj, obj1, obj2, tobj = NULL; 1745 uint32_t props; 1746 uint64_t refresh_timo = 0; 1747 sysmon_envsys_lim_t lims; 1748 int i, error = 0; 1749 const char *blah; 1750 bool targetfound = false; 1751 1752 /* 1753 * The user wanted to change the refresh timeout value for this 1754 * device. 1755 * 1756 * Get the 'device-properties' object from the userland dictionary. 1757 */ 1758 obj = prop_dictionary_get(udict, "device-properties"); 1759 if (obj && prop_object_type(obj) == PROP_TYPE_DICTIONARY) { 1760 /* 1761 * Get the 'refresh-timeout' property for this device. 1762 */ 1763 obj1 = prop_dictionary_get(obj, "refresh-timeout"); 1764 if (obj1 && prop_object_type(obj1) == PROP_TYPE_NUMBER) { 1765 targetfound = true; 1766 refresh_timo = 1767 prop_number_unsigned_integer_value(obj1); 1768 if (refresh_timo < 1) 1769 error = EINVAL; 1770 else { 1771 mutex_enter(&sme->sme_mtx); 1772 sme->sme_events_timeout = refresh_timo; 1773 mutex_exit(&sme->sme_mtx); 1774 } 1775 } 1776 return error; 1777 1778 } else if (!obj) { 1779 /* 1780 * Get sensor's index from userland dictionary. 1781 */ 1782 obj = prop_dictionary_get(udict, "index"); 1783 if (!obj) 1784 return EINVAL; 1785 if (prop_object_type(obj) != PROP_TYPE_STRING) { 1786 DPRINTF(("%s: 'index' not a string\n", __func__)); 1787 return EINVAL; 1788 } 1789 } else 1790 return EINVAL; 1791 1792 /* 1793 * Don't bother with locking when traversing the queue, 1794 * the device is already marked as busy; if a sensor 1795 * is going to be removed or added it will have to wait. 1796 */ 1797 TAILQ_FOREACH(edata, &sme->sme_sensors_list, sensors_head) { 1798 /* 1799 * Get a dictionary and check if it's our sensor by checking 1800 * at its index position. 1801 */ 1802 dict = prop_array_get(array, edata->sensor); 1803 obj1 = prop_dictionary_get(dict, "index"); 1804 1805 /* 1806 * is it our sensor? 1807 */ 1808 if (!prop_string_equals(obj1, obj)) 1809 continue; 1810 1811 props = 0; 1812 1813 /* 1814 * Check if a new description operation was 1815 * requested by the user and set new description. 1816 */ 1817 obj2 = prop_dictionary_get(udict, "description"); 1818 if (obj2 && prop_object_type(obj2) == PROP_TYPE_STRING) { 1819 targetfound = true; 1820 blah = prop_string_cstring_nocopy(obj2); 1821 1822 /* 1823 * Check for duplicate description. 1824 */ 1825 for (i = 0; i < sme->sme_nsensors; i++) { 1826 if (i == edata->sensor) 1827 continue; 1828 tdict = prop_array_get(array, i); 1829 tobj = 1830 prop_dictionary_get(tdict, "description"); 1831 if (prop_string_equals(obj2, tobj)) { 1832 error = EEXIST; 1833 goto out; 1834 } 1835 } 1836 1837 /* 1838 * Update the object in dictionary. 1839 */ 1840 mutex_enter(&sme->sme_mtx); 1841 error = sme_sensor_upstring(dict, 1842 "description", 1843 blah); 1844 if (error) { 1845 mutex_exit(&sme->sme_mtx); 1846 goto out; 1847 } 1848 1849 DPRINTF(("%s: sensor%d changed desc to: %s\n", 1850 __func__, edata->sensor, blah)); 1851 edata->upropset |= PROP_DESC; 1852 mutex_exit(&sme->sme_mtx); 1853 } 1854 1855 /* 1856 * did the user want to change the rfact? 1857 */ 1858 obj2 = prop_dictionary_get(udict, "rfact"); 1859 if (obj2 && prop_object_type(obj2) == PROP_TYPE_NUMBER) { 1860 targetfound = true; 1861 if (edata->flags & ENVSYS_FCHANGERFACT) { 1862 mutex_enter(&sme->sme_mtx); 1863 edata->rfact = prop_number_integer_value(obj2); 1864 edata->upropset |= PROP_RFACT; 1865 mutex_exit(&sme->sme_mtx); 1866 DPRINTF(("%s: sensor%d changed rfact to %d\n", 1867 __func__, edata->sensor, edata->rfact)); 1868 } else { 1869 error = ENOTSUP; 1870 goto out; 1871 } 1872 } 1873 1874 sdt = sme_get_description_table(SME_DESC_UNITS); 1875 for (i = 0; sdt[i].type != -1; i++) 1876 if (sdt[i].type == edata->units) 1877 break; 1878 1879 /* 1880 * did the user want to set a critical capacity event? 1881 */ 1882 obj2 = prop_dictionary_get(udict, "critical-capacity"); 1883 if (obj2 && prop_object_type(obj2) == PROP_TYPE_NUMBER) { 1884 targetfound = true; 1885 lims.sel_critmin = prop_number_integer_value(obj2); 1886 props |= PROP_BATTCAP; 1887 } 1888 1889 /* 1890 * did the user want to set a warning capacity event? 1891 */ 1892 obj2 = prop_dictionary_get(udict, "warning-capacity"); 1893 if (obj2 && prop_object_type(obj2) == PROP_TYPE_NUMBER) { 1894 targetfound = true; 1895 lims.sel_warnmin = prop_number_integer_value(obj2); 1896 props |= PROP_BATTWARN; 1897 } 1898 1899 /* 1900 * did the user want to set a high capacity event? 1901 */ 1902 obj2 = prop_dictionary_get(udict, "high-capacity"); 1903 if (obj2 && prop_object_type(obj2) == PROP_TYPE_NUMBER) { 1904 targetfound = true; 1905 lims.sel_warnmin = prop_number_integer_value(obj2); 1906 props |= PROP_BATTHIGH; 1907 } 1908 1909 /* 1910 * did the user want to set a maximum capacity event? 1911 */ 1912 obj2 = prop_dictionary_get(udict, "maximum-capacity"); 1913 if (obj2 && prop_object_type(obj2) == PROP_TYPE_NUMBER) { 1914 targetfound = true; 1915 lims.sel_warnmin = prop_number_integer_value(obj2); 1916 props |= PROP_BATTMAX; 1917 } 1918 1919 /* 1920 * did the user want to set a critical max event? 1921 */ 1922 obj2 = prop_dictionary_get(udict, "critical-max"); 1923 if (obj2 && prop_object_type(obj2) == PROP_TYPE_NUMBER) { 1924 targetfound = true; 1925 lims.sel_critmax = prop_number_integer_value(obj2); 1926 props |= PROP_CRITMAX; 1927 } 1928 1929 /* 1930 * did the user want to set a warning max event? 1931 */ 1932 obj2 = prop_dictionary_get(udict, "warning-max"); 1933 if (obj2 && prop_object_type(obj2) == PROP_TYPE_NUMBER) { 1934 targetfound = true; 1935 lims.sel_warnmax = prop_number_integer_value(obj2); 1936 props |= PROP_WARNMAX; 1937 } 1938 1939 /* 1940 * did the user want to set a critical min event? 1941 */ 1942 obj2 = prop_dictionary_get(udict, "critical-min"); 1943 if (obj2 && prop_object_type(obj2) == PROP_TYPE_NUMBER) { 1944 targetfound = true; 1945 lims.sel_critmin = prop_number_integer_value(obj2); 1946 props |= PROP_CRITMIN; 1947 } 1948 1949 /* 1950 * did the user want to set a warning min event? 1951 */ 1952 obj2 = prop_dictionary_get(udict, "warning-min"); 1953 if (obj2 && prop_object_type(obj2) == PROP_TYPE_NUMBER) { 1954 targetfound = true; 1955 lims.sel_warnmin = prop_number_integer_value(obj2); 1956 props |= PROP_WARNMIN; 1957 } 1958 1959 if (props) { 1960 if (edata->flags & ENVSYS_FMONNOTSUPP) { 1961 error = ENOTSUP; 1962 goto out; 1963 } 1964 error = sme_event_register(dict, edata, sme, &lims, 1965 props, 1966 (edata->flags & ENVSYS_FPERCENT)? 1967 PENVSYS_EVENT_CAPACITY: 1968 PENVSYS_EVENT_LIMITS, 1969 sdt[i].crittype); 1970 if (error == EEXIST) 1971 error = 0; 1972 if (error) 1973 goto out; 1974 } 1975 1976 /* 1977 * All objects in dictionary were processed. 1978 */ 1979 break; 1980 } 1981 1982 out: 1983 /* 1984 * invalid target? return the error. 1985 */ 1986 if (!targetfound) 1987 error = EINVAL; 1988 1989 return error; 1990 } 1991