sysmon_envsys.c revision 1.79
1 /* $NetBSD: sysmon_envsys.c,v 1.79 2008/01/02 12:20:26 xtraeme Exp $ */ 2 3 /*- 4 * Copyright (c) 2007 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 (at) 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 1.79 2008/01/02 12:20:26 xtraeme 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 /* 86 * Notes about locking: 87 * 88 * The 'sme_mtx' lock is used to protect access to the sysmon_envsys 89 * objects (devices, sensors, events) and the global counter 90 * 'sysmon_envsys_next_sensor_index'. The 'sme_cv' condition variable 91 * is used to wait for completion paths on these objects. 92 * 93 * The 'sme_events_mtx' lock is used to protect initialization and 94 * finalization of the per device events framework (the callout(9) and 95 * workqueue(9) that is used to check for conditions and sending events 96 * to the powerd(8) daemon (if running)). 97 * 98 * The callouts are protected by the 'sme_callout_mtx'. 99 */ 100 101 kmutex_t sme_mtx, sme_events_mtx, sme_callout_mtx; 102 kcondvar_t sme_cv; 103 104 /* 105 * Types of properties that can be set via userland. 106 */ 107 enum { 108 USERPROP_DESC = 0x0001, 109 USERPROP_BATTCAP = 0x0002, 110 USERPROP_CRITMAX = 0x0004, 111 USERPROP_CRITMIN = 0x0008, 112 USERPROP_RFACT = 0x0010 113 }; 114 115 static prop_dictionary_t sme_propd; 116 static uint32_t sysmon_envsys_next_sensor_index = 0; 117 static struct sysmon_envsys *sysmon_envsys_find_40(u_int); 118 119 static void sysmon_envsys_destroy_plist(prop_array_t); 120 static void sme_remove_userprops(void); 121 static int sme_add_property_dictionary(struct sysmon_envsys *, prop_array_t, 122 prop_dictionary_t); 123 124 /* 125 * sysmon_envsys_init: 126 * 127 * + Initialize global mutexes, dictionary and the linked lists. 128 */ 129 void 130 sysmon_envsys_init(void) 131 { 132 LIST_INIT(&sysmon_envsys_list); 133 mutex_init(&sme_mtx, MUTEX_DEFAULT, IPL_NONE); 134 mutex_init(&sme_events_mtx, MUTEX_DEFAULT, IPL_NONE); 135 mutex_init(&sme_callout_mtx, MUTEX_DEFAULT, IPL_SOFTCLOCK); 136 cv_init(&sme_cv, "smeworker"); 137 sme_propd = prop_dictionary_create(); 138 } 139 140 /* 141 * sysmonopen_envsys: 142 * 143 * + Open the system monitor device. 144 */ 145 int 146 sysmonopen_envsys(dev_t dev, int flag, int mode, struct lwp *l) 147 { 148 return 0; 149 } 150 151 /* 152 * sysmonclose_envsys: 153 * 154 * + Close the system monitor device. 155 */ 156 int 157 sysmonclose_envsys(dev_t dev, int flag, int mode, struct lwp *l) 158 { 159 return 0; 160 } 161 162 /* 163 * sysmonioctl_envsys: 164 * 165 * + Perform a sysmon envsys control request. 166 */ 167 int 168 sysmonioctl_envsys(dev_t dev, u_long cmd, void *data, int flag, struct lwp *l) 169 { 170 struct sysmon_envsys *sme = NULL; 171 int error = 0; 172 u_int oidx; 173 174 switch (cmd) { 175 /* 176 * To update the global dictionary with latest data from devices. 177 */ 178 case ENVSYS_GETDICTIONARY: 179 { 180 struct plistref *plist = (struct plistref *)data; 181 182 /* 183 * Update dictionaries on all sysmon envsys devices 184 * registered. 185 */ 186 mutex_enter(&sme_mtx); 187 LIST_FOREACH(sme, &sysmon_envsys_list, sme_list) { 188 sysmon_envsys_acquire(sme); 189 error = sme_update_dictionary(sme); 190 if (error) { 191 DPRINTF(("%s: sme_update_dictionary, " 192 "error=%d\n", __func__, error)); 193 sysmon_envsys_release(sme); 194 mutex_exit(&sme_mtx); 195 return error; 196 } 197 sysmon_envsys_release(sme); 198 } 199 mutex_exit(&sme_mtx); 200 /* 201 * Copy global dictionary to userland. 202 */ 203 error = prop_dictionary_copyout_ioctl(plist, cmd, sme_propd); 204 break; 205 } 206 /* 207 * To set properties on multiple devices. 208 */ 209 case ENVSYS_SETDICTIONARY: 210 { 211 const struct plistref *plist = (const struct plistref *)data; 212 prop_dictionary_t udict; 213 prop_object_iterator_t iter, iter2; 214 prop_object_t obj, obj2; 215 prop_array_t array_u, array_k; 216 const char *devname = NULL; 217 218 if ((flag & FWRITE) == 0) 219 return EPERM; 220 221 /* 222 * Get dictionary from userland. 223 */ 224 error = prop_dictionary_copyin_ioctl(plist, cmd, &udict); 225 if (error) { 226 DPRINTF(("%s: copyin_ioctl error=%d\n", 227 __func__, error)); 228 break; 229 } 230 231 iter = prop_dictionary_iterator(udict); 232 if (!iter) { 233 prop_object_release(udict); 234 return ENOMEM; 235 } 236 237 /* 238 * Iterate over the userland dictionary and process 239 * the list of devices. 240 */ 241 while ((obj = prop_object_iterator_next(iter))) { 242 array_u = prop_dictionary_get_keysym(udict, obj); 243 if (prop_object_type(array_u) != PROP_TYPE_ARRAY) { 244 prop_object_iterator_release(iter); 245 prop_object_release(udict); 246 return EINVAL; 247 } 248 249 devname = prop_dictionary_keysym_cstring_nocopy(obj); 250 DPRINTF(("%s: processing the '%s' array requests\n", 251 __func__, devname)); 252 253 /* 254 * find the correct sme device. 255 */ 256 mutex_enter(&sme_mtx); 257 sme = sysmon_envsys_find(devname); 258 if (!sme) { 259 mutex_exit(&sme_mtx); 260 DPRINTF(("%s: NULL sme\n", __func__)); 261 prop_object_iterator_release(iter); 262 prop_object_release(udict); 263 return EINVAL; 264 } 265 266 /* 267 * Find the correct array object with the string 268 * supplied by the userland dictionary. 269 */ 270 array_k = prop_dictionary_get(sme_propd, devname); 271 if (prop_object_type(array_k) != PROP_TYPE_ARRAY) { 272 DPRINTF(("%s: array device failed\n", 273 __func__)); 274 sysmon_envsys_release(sme); 275 mutex_exit(&sme_mtx); 276 prop_object_iterator_release(iter); 277 prop_object_release(udict); 278 return EINVAL; 279 } 280 281 iter2 = prop_array_iterator(array_u); 282 if (!iter2) { 283 sysmon_envsys_release(sme); 284 mutex_exit(&sme_mtx); 285 prop_object_iterator_release(iter); 286 prop_object_release(udict); 287 return ENOMEM; 288 } 289 290 /* 291 * Iterate over the array of dictionaries to 292 * process the list of sensors and properties. 293 */ 294 while ((obj2 = prop_object_iterator_next(iter2))) { 295 /* 296 * do the real work now. 297 */ 298 error = sme_userset_dictionary(sme, 299 obj2, 300 array_k); 301 if (error) { 302 sysmon_envsys_release(sme); 303 mutex_exit(&sme_mtx); 304 prop_object_iterator_release(iter2); 305 prop_object_iterator_release(iter); 306 prop_object_release(udict); 307 return error; 308 } 309 } 310 311 sysmon_envsys_release(sme); 312 mutex_exit(&sme_mtx); 313 prop_object_iterator_release(iter2); 314 } 315 316 prop_object_iterator_release(iter); 317 prop_object_release(udict); 318 break; 319 } 320 /* 321 * To remove all properties from all devices registered. 322 */ 323 case ENVSYS_REMOVEPROPS: 324 { 325 const struct plistref *plist = (const struct plistref *)data; 326 prop_dictionary_t udict; 327 prop_object_t obj; 328 329 if ((flag & FWRITE) == 0) 330 return EPERM; 331 332 error = prop_dictionary_copyin_ioctl(plist, cmd, &udict); 333 if (error) { 334 DPRINTF(("%s: copyin_ioctl error=%d\n", 335 __func__, error)); 336 break; 337 } 338 339 obj = prop_dictionary_get(udict, "envsys-remove-props"); 340 if (!obj || !prop_bool_true(obj)) { 341 DPRINTF(("%s: invalid 'envsys-remove-props'\n", 342 __func__)); 343 return EINVAL; 344 } 345 346 prop_object_release(udict); 347 sme_remove_userprops(); 348 349 break; 350 } 351 /* 352 * Compatibility ioctls with the old interface, only implemented 353 * ENVSYS_GTREDATA and ENVSYS_GTREINFO; enough to make old 354 * applications work. 355 */ 356 case ENVSYS_GTREDATA: 357 { 358 struct envsys_tre_data *tred = (void *)data; 359 envsys_data_t *edata = NULL; 360 bool found = false; 361 362 tred->validflags = 0; 363 364 mutex_enter(&sme_mtx); 365 sme = sysmon_envsys_find_40(tred->sensor); 366 if (!sme) { 367 mutex_exit(&sme_mtx); 368 break; 369 } 370 371 oidx = tred->sensor; 372 tred->sensor = SME_SENSOR_IDX(sme, tred->sensor); 373 374 DPRINTFOBJ(("%s: sensor=%d oidx=%d dev=%s nsensors=%d\n", 375 __func__, tred->sensor, oidx, sme->sme_name, 376 sme->sme_nsensors)); 377 378 TAILQ_FOREACH(edata, &sme->sme_sensors_list, sensors_head) { 379 if (edata->sensor == tred->sensor) { 380 found = true; 381 break; 382 } 383 } 384 385 if (!found) { 386 sysmon_envsys_release(sme); 387 mutex_exit(&sme_mtx); 388 error = ENODEV; 389 break; 390 } 391 392 if (tred->sensor < sme->sme_nsensors) { 393 if ((sme->sme_flags & SME_DISABLE_REFRESH) == 0) 394 (*sme->sme_refresh)(sme, edata); 395 396 /* 397 * copy required values to the old interface. 398 */ 399 tred->sensor = edata->sensor; 400 tred->cur.data_us = edata->value_cur; 401 tred->cur.data_s = edata->value_cur; 402 tred->max.data_us = edata->value_max; 403 tred->max.data_s = edata->value_max; 404 tred->min.data_us = edata->value_min; 405 tred->min.data_s = edata->value_min; 406 tred->avg.data_us = edata->value_avg; 407 tred->avg.data_s = edata->value_avg; 408 if (edata->units == ENVSYS_BATTERY_CHARGE) 409 tred->units = ENVSYS_INDICATOR; 410 else 411 tred->units = edata->units; 412 413 tred->validflags |= ENVSYS_FVALID; 414 tred->validflags |= ENVSYS_FCURVALID; 415 416 if (edata->flags & ENVSYS_FPERCENT) { 417 tred->validflags |= ENVSYS_FMAXVALID; 418 tred->validflags |= ENVSYS_FFRACVALID; 419 } 420 421 if (edata->state == ENVSYS_SINVALID) { 422 tred->validflags &= ~ENVSYS_FCURVALID; 423 tred->cur.data_us = tred->cur.data_s = 0; 424 } 425 426 DPRINTFOBJ(("%s: sensor=%s tred->cur.data_s=%d\n", 427 __func__, edata->desc, tred->cur.data_s)); 428 DPRINTFOBJ(("%s: tred->validflags=%d tred->units=%d" 429 " tred->sensor=%d\n", __func__, tred->validflags, 430 tred->units, tred->sensor)); 431 } 432 tred->sensor = oidx; 433 sysmon_envsys_release(sme); 434 mutex_exit(&sme_mtx); 435 436 break; 437 } 438 case ENVSYS_GTREINFO: 439 { 440 struct envsys_basic_info *binfo = (void *)data; 441 envsys_data_t *edata = NULL; 442 bool found = false; 443 444 binfo->validflags = 0; 445 446 mutex_enter(&sme_mtx); 447 sme = sysmon_envsys_find_40(binfo->sensor); 448 if (!sme) { 449 mutex_exit(&sme_mtx); 450 break; 451 } 452 453 oidx = binfo->sensor; 454 binfo->sensor = SME_SENSOR_IDX(sme, binfo->sensor); 455 456 TAILQ_FOREACH(edata, &sme->sme_sensors_list, sensors_head) { 457 if (edata->sensor == binfo->sensor) { 458 found = true; 459 break; 460 } 461 } 462 463 if (!found) { 464 sysmon_envsys_release(sme); 465 mutex_exit(&sme_mtx); 466 error = ENODEV; 467 break; 468 } 469 470 binfo->validflags |= ENVSYS_FVALID; 471 472 if (binfo->sensor < sme->sme_nsensors) { 473 if (edata->units == ENVSYS_BATTERY_CHARGE) 474 binfo->units = ENVSYS_INDICATOR; 475 else 476 binfo->units = edata->units; 477 478 /* 479 * previously, the ACPI sensor names included the 480 * device name. Include that in compatibility code. 481 */ 482 if (strncmp(sme->sme_name, "acpi", 4) == 0) 483 (void)snprintf(binfo->desc, sizeof(binfo->desc), 484 "%s %s", sme->sme_name, edata->desc); 485 else 486 (void)strlcpy(binfo->desc, edata->desc, 487 sizeof(binfo->desc)); 488 } 489 490 DPRINTFOBJ(("%s: binfo->units=%d binfo->validflags=%d\n", 491 __func__, binfo->units, binfo->validflags)); 492 DPRINTFOBJ(("%s: binfo->desc=%s binfo->sensor=%d\n", 493 __func__, binfo->desc, binfo->sensor)); 494 495 binfo->sensor = oidx; 496 sysmon_envsys_release(sme); 497 mutex_exit(&sme_mtx); 498 499 break; 500 } 501 default: 502 error = ENOTTY; 503 break; 504 } 505 506 return error; 507 } 508 509 /* 510 * sysmon_envsys_create: 511 * 512 * + Allocates a new sysmon_envsys object and initializes the 513 * stuff for sensors and events. 514 */ 515 struct sysmon_envsys * 516 sysmon_envsys_create(void) 517 { 518 struct sysmon_envsys *sme; 519 520 sme = kmem_zalloc(sizeof(*sme), KM_SLEEP); 521 TAILQ_INIT(&sme->sme_sensors_list); 522 LIST_INIT(&sme->sme_events_list); 523 callout_init(&sme->sme_callout, CALLOUT_MPSAFE); 524 525 return sme; 526 } 527 528 /* 529 * sysmon_envsys_destroy: 530 * 531 * + Removes all sensors from the tail queue and frees the 532 * sysmon_envsys object. 533 */ 534 void 535 sysmon_envsys_destroy(struct sysmon_envsys *sme) 536 { 537 envsys_data_t *edata; 538 539 KASSERT(sme != NULL); 540 541 while (!TAILQ_EMPTY(&sme->sme_sensors_list)) { 542 edata = TAILQ_FIRST(&sme->sme_sensors_list); 543 TAILQ_REMOVE(&sme->sme_sensors_list, edata, sensors_head); 544 } 545 546 kmem_free(sme, sizeof(*sme)); 547 } 548 549 /* 550 * sysmon_envsys_sensor_attach: 551 * 552 * + Attachs a sensor into a sysmon_envsys device checking that units 553 * is set to a valid type and description is unique and not empty. 554 */ 555 int 556 sysmon_envsys_sensor_attach(struct sysmon_envsys *sme, envsys_data_t *edata) 557 { 558 const struct sme_description_table *sdt_units; 559 envsys_data_t *oedata; 560 int i; 561 562 KASSERT(sme != NULL || edata != NULL); 563 564 /* 565 * Find the correct units for this sensor. 566 */ 567 sdt_units = sme_get_description_table(SME_DESC_UNITS); 568 for (i = 0; sdt_units[i].type != -1; i++) 569 if (sdt_units[i].type == edata->units) 570 break; 571 572 if (strcmp(sdt_units[i].desc, "unknown") == 0) 573 return EINVAL; 574 575 /* 576 * Check that description is not empty or duplicate. 577 */ 578 if (strlen(edata->desc) == 0) 579 return EINVAL; 580 581 mutex_enter(&sme_mtx); 582 TAILQ_FOREACH(oedata, &sme->sme_sensors_list, sensors_head) { 583 if (strcmp(oedata->desc, edata->desc) == 0) { 584 mutex_exit(&sme_mtx); 585 return EEXIST; 586 } 587 } 588 /* 589 * Ok, the sensor has been added into the device queue. 590 */ 591 TAILQ_INSERT_TAIL(&sme->sme_sensors_list, edata, sensors_head); 592 593 /* 594 * Give the sensor a index position. 595 */ 596 edata->sensor = sme->sme_nsensors; 597 sme->sme_nsensors++; 598 mutex_exit(&sme_mtx); 599 600 return 0; 601 } 602 603 /* 604 * sysmon_envsys_sensor_detach: 605 * 606 * + Detachs a sensor from a sysmon_envsys device and decrements the 607 * sensors count on success. 608 */ 609 int 610 sysmon_envsys_sensor_detach(struct sysmon_envsys *sme, envsys_data_t *edata) 611 { 612 envsys_data_t *oedata; 613 bool found = false; 614 615 KASSERT(sme != NULL || edata != NULL); 616 617 /* 618 * Check the sensor is already on the list. 619 */ 620 mutex_enter(&sme_mtx); 621 TAILQ_FOREACH(oedata, &sme->sme_sensors_list, sensors_head) { 622 if (oedata->sensor == edata->sensor) { 623 found = true; 624 break; 625 } 626 } 627 628 if (!found) { 629 mutex_exit(&sme_mtx); 630 return EINVAL; 631 } 632 633 /* 634 * remove it and decrement the sensors count. 635 */ 636 TAILQ_REMOVE(&sme->sme_sensors_list, edata, sensors_head); 637 sme->sme_nsensors--; 638 mutex_exit(&sme_mtx); 639 640 return 0; 641 } 642 643 644 /* 645 * sysmon_envsys_register: 646 * 647 * + Register a sysmon envsys device. 648 * + Create array of dictionaries for a device. 649 */ 650 int 651 sysmon_envsys_register(struct sysmon_envsys *sme) 652 { 653 struct sme_evdrv { 654 SLIST_ENTRY(sme_evdrv) evdrv_head; 655 sme_event_drv_t *evdrv; 656 }; 657 SLIST_HEAD(, sme_evdrv) sme_evdrv_list; 658 struct sme_evdrv *sme_evdrv = NULL; 659 struct sysmon_envsys *lsme; 660 prop_dictionary_t dict, dict2; 661 prop_array_t array; 662 envsys_data_t *edata = NULL; 663 int i, error = 0; 664 665 KASSERT(sme != NULL); 666 KASSERT(sme->sme_name != NULL); 667 668 /* 669 * sanity check: if SME_DISABLE_REFRESH is not set, 670 * the sme_refresh function callback must be non NULL. 671 */ 672 if ((sme->sme_flags & SME_DISABLE_REFRESH) == 0) 673 if (!sme->sme_refresh) 674 return EINVAL; 675 676 /* 677 * If the list of sensors is empty, there's no point to continue... 678 */ 679 if (TAILQ_EMPTY(&sme->sme_sensors_list)) { 680 DPRINTF(("%s: sensors list empty for %s\n", __func__, 681 sme->sme_name)); 682 return ENOTSUP; 683 } 684 685 /* 686 * create the device array. 687 */ 688 array = prop_array_create(); 689 if (!array) 690 return ENOMEM; 691 692 /* 693 * Initialize the singly linked list for driver events. 694 */ 695 SLIST_INIT(&sme_evdrv_list); 696 697 /* 698 * Iterate over all sensors and create a dictionary per sensor. 699 * We must respect the order in which the sensors were added. 700 */ 701 TAILQ_FOREACH(edata, &sme->sme_sensors_list, sensors_head) { 702 dict = prop_dictionary_create(); 703 if (!dict) { 704 error = ENOMEM; 705 goto out2; 706 } 707 708 /* 709 * Create all objects in sensor's dictionary. 710 */ 711 sme_evdrv = kmem_zalloc(sizeof(*sme_evdrv), KM_SLEEP); 712 sme_evdrv->evdrv = sme_add_sensor_dictionary(sme, 713 array, dict, edata); 714 if (sme_evdrv->evdrv) 715 SLIST_INSERT_HEAD(&sme_evdrv_list, 716 sme_evdrv, evdrv_head); 717 } 718 719 /* 720 * Check if requested sysmon_envsys device is valid 721 * and does not exist already in the list. 722 */ 723 mutex_enter(&sme_mtx); 724 LIST_FOREACH(lsme, &sysmon_envsys_list, sme_list) { 725 if (strcmp(lsme->sme_name, sme->sme_name) == 0) { 726 error = EEXIST; 727 goto out; 728 } 729 } 730 731 /* 732 * If the array does not contain any object (sensor), there's 733 * no need to attach the driver. 734 */ 735 if (prop_array_count(array) == 0) { 736 error = EINVAL; 737 DPRINTF(("%s: empty array for '%s'\n", __func__, 738 sme->sme_name)); 739 goto out; 740 } 741 742 /* 743 * Add the dictionary for the global properties of this device. 744 */ 745 dict2 = prop_dictionary_create(); 746 if (!dict2) { 747 error = ENOMEM; 748 goto out; 749 } 750 751 error = sme_add_property_dictionary(sme, array, dict2); 752 if (error) { 753 prop_object_release(dict2); 754 goto out; 755 } 756 757 /* 758 * Add the array into the global dictionary for the driver. 759 * 760 * <dict> 761 * <key>foo0</key> 762 * <array> 763 * ... 764 */ 765 if (!prop_dictionary_set(sme_propd, sme->sme_name, array)) { 766 error = EINVAL; 767 DPRINTF(("%s: prop_dictionary_set for '%s'\n", __func__, 768 sme->sme_name)); 769 goto out; 770 } 771 /* 772 * Add the device into the list. 773 */ 774 LIST_INSERT_HEAD(&sysmon_envsys_list, sme, sme_list); 775 sme->sme_fsensor = sysmon_envsys_next_sensor_index; 776 sysmon_envsys_next_sensor_index += sme->sme_nsensors; 777 out: 778 mutex_exit(&sme_mtx); 779 780 /* 781 * No errors? register the events that were set in the driver. 782 */ 783 if (error == 0) { 784 i = 0; 785 SLIST_FOREACH(sme_evdrv, &sme_evdrv_list, evdrv_head) { 786 if (i == 0) 787 sysmon_task_queue_init(); 788 sysmon_task_queue_sched(0, 789 sme_event_drvadd, sme_evdrv->evdrv); 790 } 791 DPRINTF(("%s: driver '%s' registered (nsens=%d)\n", 792 __func__, sme->sme_name, sme->sme_nsensors)); 793 } 794 795 out2: 796 while (!SLIST_EMPTY(&sme_evdrv_list)) { 797 sme_evdrv = SLIST_FIRST(&sme_evdrv_list); 798 SLIST_REMOVE_HEAD(&sme_evdrv_list, evdrv_head); 799 kmem_free(sme_evdrv, sizeof(*sme_evdrv)); 800 } 801 if (!error) 802 return 0; 803 804 /* 805 * Ugh... something wasn't right; unregister all events and sensors 806 * previously assigned and destroy the array with all its objects. 807 */ 808 DPRINTF(("%s: failed to register '%s' (%d)\n", __func__, 809 sme->sme_name, error)); 810 if (error != EEXIST) { 811 mutex_enter(&sme_mtx); 812 sme_event_unregister_all(sme); 813 while (!TAILQ_EMPTY(&sme->sme_sensors_list)) { 814 edata = TAILQ_FIRST(&sme->sme_sensors_list); 815 TAILQ_REMOVE(&sme->sme_sensors_list, edata, 816 sensors_head); 817 } 818 mutex_exit(&sme_mtx); 819 } 820 sysmon_envsys_destroy_plist(array); 821 return error; 822 } 823 824 /* 825 * sysmon_envsys_destroy_plist: 826 * 827 * + Remove all objects from the array of dictionaries that is 828 * created in a sysmon envsys device. 829 */ 830 static void 831 sysmon_envsys_destroy_plist(prop_array_t array) 832 { 833 prop_object_iterator_t iter, iter2; 834 prop_dictionary_t dict; 835 prop_object_t obj; 836 837 KASSERT(array != NULL); 838 839 DPRINTFOBJ(("%s: objects in array=%d\n", __func__, 840 prop_array_count(array))); 841 842 iter = prop_array_iterator(array); 843 if (!iter) 844 return; 845 846 while ((dict = prop_object_iterator_next(iter))) { 847 KASSERT(prop_object_type(dict) == PROP_TYPE_DICTIONARY); 848 iter2 = prop_dictionary_iterator(dict); 849 if (!iter2) 850 goto out; 851 DPRINTFOBJ(("%s: iterating over dictionary\n", __func__)); 852 while ((obj = prop_object_iterator_next(iter2)) != NULL) { 853 DPRINTFOBJ(("%s: obj=%s\n", __func__, 854 prop_dictionary_keysym_cstring_nocopy(obj))); 855 prop_dictionary_remove(dict, 856 prop_dictionary_keysym_cstring_nocopy(obj)); 857 prop_object_iterator_reset(iter2); 858 } 859 prop_object_iterator_release(iter2); 860 DPRINTFOBJ(("%s: objects in dictionary:%d\n", 861 __func__, prop_dictionary_count(dict))); 862 prop_object_release(dict); 863 } 864 865 out: 866 prop_object_iterator_release(iter); 867 prop_object_release(array); 868 } 869 870 /* 871 * sysmon_envsys_unregister: 872 * 873 * + Unregister a sysmon envsys device. 874 */ 875 void 876 sysmon_envsys_unregister(struct sysmon_envsys *sme) 877 { 878 prop_array_t array; 879 880 KASSERT(sme != NULL); 881 882 mutex_enter(&sme_mtx); 883 /* 884 * Wait for device to be available. 885 */ 886 while (sme->sme_flags & SME_FLAG_BUSY) 887 cv_wait(&sme_cv, &sme_mtx); 888 /* 889 * Stop the callout. 890 */ 891 callout_stop(&sme->sme_callout); 892 /* 893 * Decrement global sensors counter (only useful for compatibility). 894 */ 895 sysmon_envsys_next_sensor_index -= sme->sme_nsensors; 896 /* 897 * Unregister all events associated with this device. 898 */ 899 sme_event_unregister_all(sme); 900 LIST_REMOVE(sme, sme_list); 901 mutex_exit(&sme_mtx); 902 /* 903 * Remove the device (and all its objects) from the global dictionary. 904 */ 905 array = prop_dictionary_get(sme_propd, sme->sme_name); 906 if (array && prop_object_type(array) == PROP_TYPE_ARRAY) { 907 prop_dictionary_remove(sme_propd, sme->sme_name); 908 sysmon_envsys_destroy_plist(array); 909 } 910 /* 911 * And finally destroy the sysmon_envsys object. 912 */ 913 sysmon_envsys_destroy(sme); 914 } 915 916 /* 917 * sysmon_envsys_find: 918 * 919 * + Find a sysmon envsys device and mark it as busy if found. 920 */ 921 struct sysmon_envsys * 922 sysmon_envsys_find(const char *name) 923 { 924 struct sysmon_envsys *sme; 925 926 KASSERT(mutex_owned(&sme_mtx)); 927 928 again: 929 LIST_FOREACH(sme, &sysmon_envsys_list, sme_list) { 930 if (strcmp(sme->sme_name, name) == 0) { 931 if (sme->sme_flags & SME_FLAG_BUSY) { 932 cv_wait(&sme_cv, &sme_mtx); 933 goto again; 934 } 935 sme->sme_flags |= SME_FLAG_BUSY; 936 break; 937 } 938 } 939 return sme; 940 } 941 942 /* 943 * sysmon_envsys_acquire: 944 * 945 * + Acquire priviledge to a sysmon envsys device (locked). 946 */ 947 void 948 sysmon_envsys_acquire(struct sysmon_envsys *sme) 949 { 950 KASSERT(mutex_owned(&sme_mtx)); 951 952 while (sme->sme_flags & SME_FLAG_BUSY) 953 cv_wait(&sme_cv, &sme_mtx); 954 955 sme->sme_flags |= SME_FLAG_BUSY; 956 } 957 958 /* 959 * sysmon_envsys_release: 960 * 961 * + Release a sysmon envsys device (locked). 962 */ 963 void 964 sysmon_envsys_release(struct sysmon_envsys *sme) 965 { 966 KASSERT(mutex_owned(&sme_mtx)); 967 968 sme->sme_flags &= ~SME_FLAG_BUSY; 969 cv_broadcast(&sme_cv); 970 } 971 972 /* compatibility function */ 973 struct sysmon_envsys * 974 sysmon_envsys_find_40(u_int idx) 975 { 976 struct sysmon_envsys *sme; 977 978 KASSERT(mutex_owned(&sme_mtx)); 979 980 again: 981 LIST_FOREACH(sme, &sysmon_envsys_list, sme_list) { 982 if (idx >= sme->sme_fsensor && 983 idx < (sme->sme_fsensor + sme->sme_nsensors)) { 984 if (sme->sme_flags & SME_FLAG_BUSY) { 985 cv_wait(&sme_cv, &sme_mtx); 986 goto again; 987 } 988 sme->sme_flags |= SME_FLAG_BUSY; 989 break; 990 } 991 } 992 return sme; 993 } 994 995 /* 996 * sme_sensor_dictionary_get: 997 * 998 * + Returns a dictionary of a device specified by its index 999 * position. 1000 */ 1001 prop_dictionary_t 1002 sme_sensor_dictionary_get(prop_array_t array, const char *index) 1003 { 1004 prop_object_iterator_t iter; 1005 prop_dictionary_t dict; 1006 prop_object_t obj; 1007 1008 KASSERT(array != NULL || index != NULL); 1009 1010 iter = prop_array_iterator(array); 1011 if (!iter) 1012 return NULL; 1013 1014 while ((dict = prop_object_iterator_next(iter))) { 1015 obj = prop_dictionary_get(dict, "index"); 1016 if (prop_string_equals_cstring(obj, index)) 1017 break; 1018 } 1019 1020 prop_object_iterator_release(iter); 1021 return dict; 1022 } 1023 1024 /* 1025 * sme_remove_userprops: 1026 * 1027 * + Remove all properties from all devices that were set by 1028 * the ENVSYS_SETDICTIONARY ioctl. 1029 */ 1030 static void 1031 sme_remove_userprops(void) 1032 { 1033 struct sysmon_envsys *sme; 1034 prop_array_t array; 1035 prop_dictionary_t sdict; 1036 envsys_data_t *edata = NULL; 1037 char tmp[ENVSYS_DESCLEN]; 1038 int ptype; 1039 1040 mutex_enter(&sme_mtx); 1041 LIST_FOREACH(sme, &sysmon_envsys_list, sme_list) { 1042 sysmon_envsys_acquire(sme); 1043 array = prop_dictionary_get(sme_propd, sme->sme_name); 1044 1045 TAILQ_FOREACH(edata, &sme->sme_sensors_list, sensors_head) { 1046 (void)snprintf(tmp, sizeof(tmp), "sensor%d", 1047 edata->sensor); 1048 sdict = sme_sensor_dictionary_get(array, tmp); 1049 KASSERT(sdict != NULL); 1050 1051 if (edata->upropset & USERPROP_BATTCAP) { 1052 prop_dictionary_remove(sdict, 1053 "critical-capacity"); 1054 ptype = PENVSYS_EVENT_BATT_USERCAP; 1055 sme_event_unregister(sme, edata->desc, ptype); 1056 } 1057 1058 if (edata->upropset & USERPROP_CRITMAX) { 1059 prop_dictionary_remove(sdict, 1060 "critical-max"); 1061 ptype = PENVSYS_EVENT_USER_CRITMAX; 1062 sme_event_unregister(sme, edata->desc, ptype); 1063 } 1064 1065 if (edata->upropset & USERPROP_CRITMIN) { 1066 prop_dictionary_remove(sdict, 1067 "critical-min"); 1068 ptype = PENVSYS_EVENT_USER_CRITMIN; 1069 sme_event_unregister(sme, edata->desc, ptype); 1070 } 1071 1072 if (edata->upropset & USERPROP_RFACT) { 1073 (void)sme_sensor_upint32(sdict, "rfact", 0); 1074 edata->rfact = 0; 1075 } 1076 1077 if (edata->upropset & USERPROP_DESC) 1078 (void)sme_sensor_upstring(sdict, 1079 "description", edata->desc); 1080 1081 if (edata->upropset) 1082 edata->upropset = 0; 1083 } 1084 1085 /* 1086 * Restore default timeout value. 1087 */ 1088 sme->sme_events_timeout = SME_EVENTS_DEFTIMEOUT; 1089 sysmon_envsys_release(sme); 1090 } 1091 mutex_exit(&sme_mtx); 1092 } 1093 1094 /* 1095 * sme_add_property_dictionary: 1096 * 1097 * + Add global properties into a device. 1098 */ 1099 static int 1100 sme_add_property_dictionary(struct sysmon_envsys *sme, prop_array_t array, 1101 prop_dictionary_t dict) 1102 { 1103 prop_dictionary_t pdict; 1104 int error = 0; 1105 1106 pdict = prop_dictionary_create(); 1107 if (!pdict) 1108 return EINVAL; 1109 1110 /* 1111 * Add the 'refresh-timeout' object into the 'device-properties' 1112 * dictionary. We use by default 30 seconds. 1113 * 1114 * ... 1115 * <dict> 1116 * <key>device-properties</key> 1117 * <dict> 1118 * <key>refresh-timeout</key> 1119 * <integer>120</integer< 1120 * </dict< 1121 * </dict> 1122 * ... 1123 * 1124 */ 1125 if (!sme->sme_events_timeout) 1126 sme->sme_events_timeout = SME_EVENTS_DEFTIMEOUT; 1127 1128 if (!prop_dictionary_set_uint64(pdict, "refresh-timeout", 1129 sme->sme_events_timeout)) { 1130 error = EINVAL; 1131 goto out; 1132 } 1133 1134 if (!prop_dictionary_set(dict, "device-properties", pdict)) { 1135 error = EINVAL; 1136 goto out; 1137 } 1138 1139 /* 1140 * Add the device dictionary into the sysmon envsys array. 1141 */ 1142 if (!prop_array_add(array, dict)) 1143 error = EINVAL; 1144 1145 out: 1146 prop_object_release(pdict); 1147 return error; 1148 } 1149 1150 /* 1151 * sme_add_sensor_dictionary: 1152 * 1153 * + Adds the sensor objects into the dictionary and returns a pointer 1154 * to a sme_event_drv_t object if a monitoring flag was set 1155 * (or NULL otherwise). 1156 */ 1157 sme_event_drv_t * 1158 sme_add_sensor_dictionary(struct sysmon_envsys *sme, prop_array_t array, 1159 prop_dictionary_t dict, envsys_data_t *edata) 1160 { 1161 const struct sme_description_table *sdt, *sdt_units; 1162 sme_event_drv_t *sme_evdrv_t = NULL; 1163 int i, j; 1164 char indexstr[ENVSYS_DESCLEN]; 1165 1166 /* 1167 * Find the correct units for this sensor. 1168 */ 1169 sdt_units = sme_get_description_table(SME_DESC_UNITS); 1170 for (i = 0; sdt_units[i].type != -1; i++) 1171 if (sdt_units[i].type == edata->units) 1172 break; 1173 1174 /* 1175 * Add the index sensor string. 1176 * 1177 * ... 1178 * <key>index</eyr 1179 * <string>sensor0</string> 1180 * ... 1181 */ 1182 (void)snprintf(indexstr, sizeof(indexstr), "sensor%d", edata->sensor); 1183 if (sme_sensor_upstring(dict, "index", indexstr)) 1184 goto bad; 1185 1186 /* 1187 * ... 1188 * <key>type</key> 1189 * <string>foo</string> 1190 * <key>description</key> 1191 * <string>blah blah</string> 1192 * ... 1193 */ 1194 if (sme_sensor_upstring(dict, "type", sdt_units[i].desc)) 1195 goto bad; 1196 1197 if (sme_sensor_upstring(dict, "description", edata->desc)) 1198 goto bad; 1199 1200 /* 1201 * Add sensor's state description. 1202 * 1203 * ... 1204 * <key>state</key> 1205 * <string>valid</string> 1206 * ... 1207 */ 1208 sdt = sme_get_description_table(SME_DESC_STATES); 1209 for (j = 0; sdt[j].type != -1; j++) 1210 if (sdt[j].type == edata->state) 1211 break; 1212 1213 DPRINTF(("%s: sensor desc=%s type=%d state=%d\n", 1214 __func__, edata->desc, edata->units, edata->state)); 1215 1216 if (sme_sensor_upstring(dict, "state", sdt[j].desc)) 1217 goto bad; 1218 1219 /* 1220 * Add the monitoring boolean object: 1221 * 1222 * ... 1223 * <key>monitoring-supported</key> 1224 * <true/> 1225 * ... 1226 * 1227 * always false on Battery {capacity,charge}, Drive and Indicator types. 1228 * They cannot be monitored. 1229 * 1230 */ 1231 if ((edata->flags & ENVSYS_FMONNOTSUPP) || 1232 (edata->units == ENVSYS_INDICATOR) || 1233 (edata->units == ENVSYS_DRIVE) || 1234 (edata->units == ENVSYS_BATTERY_CAPACITY) || 1235 (edata->units == ENVSYS_BATTERY_CHARGE)) { 1236 if (sme_sensor_upbool(dict, "monitoring-supported", false)) 1237 goto out; 1238 } else { 1239 if (sme_sensor_upbool(dict, "monitoring-supported", true)) 1240 goto out; 1241 } 1242 1243 /* 1244 * Add the percentage boolean object, true if ENVSYS_FPERCENT 1245 * is set or false otherwise. 1246 * 1247 * ... 1248 * <key>want-percentage</key> 1249 * <true/> 1250 * ... 1251 */ 1252 if (edata->flags & ENVSYS_FPERCENT) 1253 if (sme_sensor_upbool(dict, "want-percentage", true)) 1254 goto out; 1255 1256 /* 1257 * Add the allow-rfact boolean object, true if 1258 * ENVSYS_FCHANGERFACT if set or false otherwise. 1259 * 1260 * ... 1261 * <key>allow-rfact</key> 1262 * <true/> 1263 * ... 1264 */ 1265 if (edata->units == ENVSYS_SVOLTS_DC || 1266 edata->units == ENVSYS_SVOLTS_AC) { 1267 if (edata->flags & ENVSYS_FCHANGERFACT) { 1268 if (sme_sensor_upbool(dict, "allow-rfact", true)) 1269 goto out; 1270 } else { 1271 if (sme_sensor_upbool(dict, "allow-rfact", false)) 1272 goto out; 1273 } 1274 } 1275 1276 /* 1277 * Add the object for battery capacity sensors: 1278 * 1279 * ... 1280 * <key>battery-capacity</key> 1281 * <string>NORMAL</string> 1282 * ... 1283 */ 1284 if (edata->units == ENVSYS_BATTERY_CAPACITY) { 1285 sdt = sme_get_description_table(SME_DESC_BATTERY_CAPACITY); 1286 for (j = 0; sdt[j].type != -1; j++) 1287 if (sdt[j].type == edata->value_cur) 1288 break; 1289 1290 if (sme_sensor_upstring(dict, "battery-capacity", sdt[j].desc)) 1291 goto out; 1292 } 1293 1294 /* 1295 * Add the drive-state object for drive sensors: 1296 * 1297 * ... 1298 * <key>drive-state</key> 1299 * <string>drive is online</string> 1300 * ... 1301 */ 1302 if (edata->units == ENVSYS_DRIVE) { 1303 sdt = sme_get_description_table(SME_DESC_DRIVE_STATES); 1304 for (j = 0; sdt[j].type != -1; j++) 1305 if (sdt[j].type == edata->value_cur) 1306 break; 1307 1308 if (sme_sensor_upstring(dict, "drive-state", sdt[j].desc)) 1309 goto out; 1310 } 1311 1312 /* 1313 * Add the following objects if sensor is enabled... 1314 */ 1315 if (edata->state == ENVSYS_SVALID) { 1316 /* 1317 * Add the following objects: 1318 * 1319 * ... 1320 * <key>rpms</key> 1321 * <integer>2500</integer> 1322 * <key>rfact</key> 1323 * <integer>10000</integer> 1324 * <key>cur-value</key> 1325 * <integer>1250</integer> 1326 * <key>min-value</key> 1327 * <integer>800</integer> 1328 * <key>max-value</integer> 1329 * <integer>3000</integer> 1330 * <key>avg-value</integer> 1331 * <integer>1400</integer> 1332 * ... 1333 */ 1334 if (edata->units == ENVSYS_SFANRPM) 1335 if (sme_sensor_upuint32(dict, "rpms", edata->rpms)) 1336 goto out; 1337 1338 if (edata->units == ENVSYS_SVOLTS_AC || 1339 edata->units == ENVSYS_SVOLTS_DC) 1340 if (sme_sensor_upint32(dict, "rfact", edata->rfact)) 1341 goto out; 1342 1343 if (sme_sensor_upint32(dict, "cur-value", edata->value_cur)) 1344 goto out; 1345 1346 if (edata->flags & ENVSYS_FVALID_MIN) { 1347 if (sme_sensor_upint32(dict, 1348 "min-value", 1349 edata->value_min)) 1350 goto out; 1351 } 1352 1353 if (edata->flags & ENVSYS_FVALID_MAX) { 1354 if (sme_sensor_upint32(dict, 1355 "max-value", 1356 edata->value_max)) 1357 goto out; 1358 } 1359 1360 if (edata->flags & ENVSYS_FVALID_AVG) { 1361 if (sme_sensor_upint32(dict, 1362 "avg-value", 1363 edata->value_avg)) 1364 goto out; 1365 } 1366 } 1367 1368 /* 1369 * ... 1370 * </dict> 1371 * 1372 * Add the dictionary into the array. 1373 * 1374 */ 1375 if (!prop_array_add(array, dict)) { 1376 DPRINTF(("%s: prop_array_add\n", __func__)); 1377 goto bad; 1378 } 1379 1380 /* 1381 * Register a new event if a monitoring flag was set. 1382 */ 1383 if (edata->monitor) { 1384 sme_evdrv_t = kmem_zalloc(sizeof(*sme_evdrv_t), KM_SLEEP); 1385 sme_evdrv_t->sed_sdict = dict; 1386 sme_evdrv_t->sed_edata = edata; 1387 sme_evdrv_t->sed_sme = sme; 1388 sme_evdrv_t->sed_powertype = sdt_units[i].crittype; 1389 } 1390 1391 out: 1392 return sme_evdrv_t; 1393 1394 bad: 1395 prop_object_release(dict); 1396 return NULL; 1397 } 1398 1399 /* 1400 * sme_update_dictionary: 1401 * 1402 * + Update per-sensor dictionaries with new values if there were 1403 * changes, otherwise the object in dictionary is untouched. 1404 */ 1405 int 1406 sme_update_dictionary(struct sysmon_envsys *sme) 1407 { 1408 const struct sme_description_table *sdt; 1409 envsys_data_t *edata; 1410 prop_object_t array, dict, obj, obj2; 1411 int j, error = 0; 1412 1413 KASSERT(mutex_owned(&sme_mtx)); 1414 1415 /* 1416 * Retrieve the array of dictionaries in device. 1417 */ 1418 array = prop_dictionary_get(sme_propd, sme->sme_name); 1419 if (prop_object_type(array) != PROP_TYPE_ARRAY) { 1420 DPRINTF(("%s: not an array (%s)\n", __func__, sme->sme_name)); 1421 return EINVAL; 1422 } 1423 1424 /* 1425 * Get the last dictionary on the array, this contains the 1426 * 'device-properties' sub-dictionary. 1427 */ 1428 obj = prop_array_get(array, prop_array_count(array) - 1); 1429 if (!obj || prop_object_type(obj) != PROP_TYPE_DICTIONARY) { 1430 DPRINTF(("%s: not a device-properties dictionary\n", __func__)); 1431 return EINVAL; 1432 } 1433 1434 obj2 = prop_dictionary_get(obj, "device-properties"); 1435 if (!obj2) 1436 return EINVAL; 1437 1438 /* 1439 * Update the 'refresh-timeout' property. 1440 */ 1441 if (!prop_dictionary_set_uint64(obj2, "refresh-timeout", 1442 sme->sme_events_timeout)) 1443 return EINVAL; 1444 1445 /* 1446 * - iterate over all sensors. 1447 * - fetch new data. 1448 * - check if data in dictionary is different than new data. 1449 * - update dictionary if there were changes. 1450 */ 1451 DPRINTF(("%s: updating '%s' with nsensors=%d\n", __func__, 1452 sme->sme_name, sme->sme_nsensors)); 1453 1454 TAILQ_FOREACH(edata, &sme->sme_sensors_list, sensors_head) { 1455 /* 1456 * refresh sensor data via sme_refresh only if the 1457 * flag is not set. 1458 */ 1459 if ((sme->sme_flags & SME_DISABLE_REFRESH) == 0) 1460 (*sme->sme_refresh)(sme, edata); 1461 1462 /* 1463 * retrieve sensor's dictionary. 1464 */ 1465 dict = prop_array_get(array, edata->sensor); 1466 if (prop_object_type(dict) != PROP_TYPE_DICTIONARY) { 1467 DPRINTF(("%s: not a dictionary (%d:%s)\n", 1468 __func__, edata->sensor, sme->sme_name)); 1469 return EINVAL; 1470 } 1471 1472 /* 1473 * update sensor's state. 1474 */ 1475 sdt = sme_get_description_table(SME_DESC_STATES); 1476 for (j = 0; sdt[j].type != -1; j++) 1477 if (sdt[j].type == edata->state) 1478 break; 1479 1480 DPRINTFOBJ(("%s: state=%s type=%d flags=%d " 1481 "units=%d sensor=%d\n", __func__, sdt[j].desc, 1482 sdt[j].type, edata->flags, edata->units, edata->sensor)); 1483 1484 error = sme_sensor_upstring(dict, "state", sdt[j].desc); 1485 if (error) 1486 break; 1487 1488 /* 1489 * update sensor's type. 1490 */ 1491 sdt = sme_get_description_table(SME_DESC_UNITS); 1492 for (j = 0; sdt[j].type != -1; j++) 1493 if (sdt[j].type == edata->units) 1494 break; 1495 1496 error = sme_sensor_upstring(dict, "type", sdt[j].desc); 1497 if (error) 1498 break; 1499 1500 /* 1501 * update sensor's current value. 1502 */ 1503 error = sme_sensor_upint32(dict, 1504 "cur-value", 1505 edata->value_cur); 1506 if (error) 1507 break; 1508 1509 /* 1510 * Battery charge, Integer and Indicator types do not 1511 * need the following objects, so skip them. 1512 */ 1513 if (edata->units == ENVSYS_INTEGER || 1514 edata->units == ENVSYS_INDICATOR || 1515 edata->units == ENVSYS_BATTERY_CHARGE) 1516 continue; 1517 1518 /* 1519 * update sensor flags. 1520 */ 1521 if (edata->flags & ENVSYS_FPERCENT) { 1522 error = sme_sensor_upbool(dict, 1523 "want-percentage", 1524 true); 1525 if (error) 1526 break; 1527 } 1528 1529 /* 1530 * update sensor's {avg,max,min}-value. 1531 */ 1532 if (edata->flags & ENVSYS_FVALID_MAX) { 1533 error = sme_sensor_upint32(dict, 1534 "max-value", 1535 edata->value_max); 1536 if (error) 1537 break; 1538 } 1539 1540 if (edata->flags & ENVSYS_FVALID_MIN) { 1541 error = sme_sensor_upint32(dict, 1542 "min-value", 1543 edata->value_min); 1544 if (error) 1545 break; 1546 } 1547 1548 if (edata->flags & ENVSYS_FVALID_AVG) { 1549 error = sme_sensor_upint32(dict, 1550 "avg-value", 1551 edata->value_avg); 1552 if (error) 1553 break; 1554 } 1555 1556 /* 1557 * update 'rpms' only for ENVSYS_SFANRPM sensors. 1558 */ 1559 if (edata->units == ENVSYS_SFANRPM) { 1560 error = sme_sensor_upuint32(dict, 1561 "rpms", 1562 edata->rpms); 1563 if (error) 1564 break; 1565 } 1566 1567 /* 1568 * update 'rfact' only for ENVSYS_SVOLTS_[AD]C sensors. 1569 */ 1570 if (edata->units == ENVSYS_SVOLTS_AC || 1571 edata->units == ENVSYS_SVOLTS_DC) { 1572 error = sme_sensor_upint32(dict, 1573 "rfact", 1574 edata->rfact); 1575 if (error) 1576 break; 1577 } 1578 1579 /* 1580 * update 'drive-state' only for ENVSYS_DRIVE sensors. 1581 */ 1582 if (edata->units == ENVSYS_DRIVE) { 1583 sdt = sme_get_description_table(SME_DESC_DRIVE_STATES); 1584 for (j = 0; sdt[j].type != -1; j++) 1585 if (sdt[j].type == edata->value_cur) 1586 break; 1587 1588 error = sme_sensor_upstring(dict, 1589 "drive-state", 1590 sdt[j].desc); 1591 if (error) 1592 break; 1593 } 1594 1595 /* 1596 * update 'battery-capacity' only for ENVSYS_BATTERY_CAPACITY 1597 * sensors. 1598 */ 1599 if (edata->units == ENVSYS_BATTERY_CAPACITY) { 1600 sdt = 1601 sme_get_description_table(SME_DESC_BATTERY_CAPACITY); 1602 for (j = 0; sdt[j].type != -1; j++) 1603 if (sdt[j].type == edata->value_cur) 1604 break; 1605 1606 error = sme_sensor_upstring(dict, 1607 "battery-capacity", 1608 sdt[j].desc); 1609 if (error) 1610 break; 1611 } 1612 } 1613 1614 return error; 1615 } 1616 1617 /* 1618 * sme_userset_dictionary: 1619 * 1620 * + Parse the userland dictionary and run the appropiate tasks 1621 * that were specified. 1622 */ 1623 int 1624 sme_userset_dictionary(struct sysmon_envsys *sme, prop_dictionary_t udict, 1625 prop_array_t array) 1626 { 1627 const struct sme_description_table *sdt; 1628 envsys_data_t *edata; 1629 prop_dictionary_t dict, tdict = NULL; 1630 prop_object_t obj, obj1, obj2, tobj = NULL; 1631 uint64_t refresh_timo = 0; 1632 int32_t critval; 1633 int i, error = 0; 1634 const char *blah; 1635 bool targetfound = false; 1636 1637 KASSERT(mutex_owned(&sme_mtx)); 1638 1639 /* 1640 * The user wanted to change the refresh timeout value for this 1641 * device. 1642 * 1643 * Get the 'device-properties' object from the userland dictionary. 1644 */ 1645 obj = prop_dictionary_get(udict, "device-properties"); 1646 if (obj && prop_object_type(obj) == PROP_TYPE_DICTIONARY) { 1647 /* 1648 * Get the 'refresh-timeout' property for this device. 1649 */ 1650 obj1 = prop_dictionary_get(obj, "refresh-timeout"); 1651 if (obj1 && prop_object_type(obj1) == PROP_TYPE_NUMBER) { 1652 targetfound = true; 1653 refresh_timo = 1654 prop_number_unsigned_integer_value(obj1); 1655 if (refresh_timo < 1) 1656 error = EINVAL; 1657 else 1658 sme->sme_events_timeout = refresh_timo; 1659 } 1660 goto out; 1661 1662 } else if (!obj) { 1663 /* 1664 * Get sensor's index from userland dictionary. 1665 */ 1666 obj = prop_dictionary_get(udict, "index"); 1667 if (!obj) 1668 goto out; 1669 if (prop_object_type(obj) != PROP_TYPE_STRING) { 1670 DPRINTF(("%s: 'index' not a string\n", __func__)); 1671 return EINVAL; 1672 } 1673 } else 1674 return EINVAL; 1675 1676 /* 1677 * iterate over the sensors to find the right one. 1678 */ 1679 TAILQ_FOREACH(edata, &sme->sme_sensors_list, sensors_head) { 1680 /* 1681 * Get a dictionary and check if it's our sensor by checking 1682 * at its index position. 1683 */ 1684 dict = prop_array_get(array, edata->sensor); 1685 obj1 = prop_dictionary_get(dict, "index"); 1686 1687 /* 1688 * is it our sensor? 1689 */ 1690 if (!prop_string_equals(obj1, obj)) 1691 continue; 1692 1693 /* 1694 * Check if a new description operation was 1695 * requested by the user and set new description. 1696 */ 1697 obj2 = prop_dictionary_get(udict, "description"); 1698 if (obj2 && prop_object_type(obj2) == PROP_TYPE_STRING) { 1699 targetfound = true; 1700 blah = prop_string_cstring_nocopy(obj2); 1701 1702 /* 1703 * Check for duplicate description. 1704 */ 1705 for (i = 0; i < sme->sme_nsensors; i++) { 1706 if (i == edata->sensor) 1707 continue; 1708 tdict = prop_array_get(array, i); 1709 tobj = 1710 prop_dictionary_get(tdict, "description"); 1711 if (prop_string_equals(obj2, tobj)) 1712 return EEXIST; 1713 } 1714 1715 /* 1716 * Update the object in dictionary. 1717 */ 1718 error = sme_sensor_upstring(dict, 1719 "description", 1720 blah); 1721 if (error) 1722 return error; 1723 1724 DPRINTF(("%s: sensor%d changed desc to: %s\n", 1725 __func__, edata->sensor, blah)); 1726 edata->upropset |= USERPROP_DESC; 1727 } 1728 1729 /* 1730 * did the user want to change the rfact? 1731 */ 1732 obj2 = prop_dictionary_get(udict, "rfact"); 1733 if (obj2 && prop_object_type(obj2) == PROP_TYPE_NUMBER) { 1734 targetfound = true; 1735 if (edata->flags & ENVSYS_FCHANGERFACT) { 1736 edata->rfact = prop_number_integer_value(obj2); 1737 edata->upropset |= USERPROP_RFACT; 1738 DPRINTF(("%s: sensor%d changed rfact to %d\n", 1739 __func__, edata->sensor, edata->rfact)); 1740 } else 1741 return ENOTSUP; 1742 } 1743 1744 sdt = sme_get_description_table(SME_DESC_UNITS); 1745 for (i = 0; sdt[i].type != -1; i++) 1746 if (sdt[i].type == edata->units) 1747 break; 1748 1749 /* 1750 * did the user want to set a critical capacity event? 1751 * 1752 * NOTE: if sme_event_register returns EEXIST that means 1753 * the object is already there, but this is not a real 1754 * error, because the object might be updated. 1755 */ 1756 obj2 = prop_dictionary_get(udict, "critical-capacity"); 1757 if (obj2 && prop_object_type(obj2) == PROP_TYPE_NUMBER) { 1758 targetfound = true; 1759 if ((edata->flags & ENVSYS_FMONNOTSUPP) || 1760 (edata->flags & ENVSYS_FPERCENT) == 0) 1761 return ENOTSUP; 1762 1763 critval = prop_number_integer_value(obj2); 1764 error = sme_event_register(dict, 1765 edata, 1766 sme, 1767 "critical-capacity", 1768 critval, 1769 PENVSYS_EVENT_BATT_USERCAP, 1770 sdt[i].crittype); 1771 if (error == EEXIST) 1772 error = 0; 1773 if (error) 1774 goto out; 1775 else if (!error) 1776 edata->upropset |= USERPROP_BATTCAP; 1777 } 1778 1779 /* 1780 * did the user want to set a critical max event? 1781 */ 1782 obj2 = prop_dictionary_get(udict, "critical-max"); 1783 if (obj2 && prop_object_type(obj2) == PROP_TYPE_NUMBER) { 1784 targetfound = true; 1785 if (edata->units == ENVSYS_INDICATOR || 1786 edata->flags & ENVSYS_FMONNOTSUPP) 1787 return ENOTSUP; 1788 1789 critval = prop_number_integer_value(obj2); 1790 error = sme_event_register(dict, 1791 edata, 1792 sme, 1793 "critical-max", 1794 critval, 1795 PENVSYS_EVENT_USER_CRITMAX, 1796 sdt[i].crittype); 1797 if (error == EEXIST) 1798 error = 0; 1799 if (error) 1800 goto out; 1801 else if (!error) 1802 edata->upropset |= USERPROP_CRITMAX; 1803 } 1804 1805 /* 1806 * did the user want to set a critical min event? 1807 */ 1808 obj2 = prop_dictionary_get(udict, "critical-min"); 1809 if (obj2 && prop_object_type(obj2) == PROP_TYPE_NUMBER) { 1810 targetfound = true; 1811 if (edata->units == ENVSYS_INDICATOR || 1812 edata->flags & ENVSYS_FMONNOTSUPP) 1813 return ENOTSUP; 1814 1815 critval = prop_number_integer_value(obj2); 1816 error = sme_event_register(dict, 1817 edata, 1818 sme, 1819 "critical-min", 1820 critval, 1821 PENVSYS_EVENT_USER_CRITMIN, 1822 sdt[i].crittype); 1823 if (error == EEXIST) 1824 error = 0; 1825 if (error) 1826 goto out; 1827 else if (!error) 1828 edata->upropset |= USERPROP_CRITMIN; 1829 } 1830 1831 /* 1832 * All objects in dictionary were processed. 1833 */ 1834 break; 1835 } 1836 1837 out: 1838 /* 1839 * invalid target? return the error. 1840 */ 1841 if (!targetfound) 1842 error = EINVAL; 1843 1844 return error; 1845 } 1846
Indexes created Sun Sep 21 20:09:37 GMT 2025