sysmon_envsys.c revision 1.69.2.1
1 /* $NetBSD: sysmon_envsys.c,v 1.69.2.1 2007/11/13 16:01:38 bouyer 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 1.69.2.1 2007/11/13 16:01:38 bouyer 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 * There's a global lock 'sme_mtx' to protect access to 'sysmon_envsys_list' 89 * (devices linked list), 'struct sysmon_envsys' (device), 'sme_events_list' 90 * (events linked list), 'sme_event_t' (event) and the global counter 91 * 'sysmon_envsys_next_sensor_index'. 92 * 93 * Another lock 'sme_init_mtx' is used to protect initialization and 94 * finalization of the events framework (the callout(9) and workqueue(9) 95 * that is used to check for conditions and sending events to powerd(8)). 96 * 97 * The global 'sme_cv' condition variable is used to wait for state changes 98 * on the 'sysmon_envsys_list' and 'sme_events_list' linked lists. 99 * 100 */ 101 102 kmutex_t sme_mtx, sme_event_init_mtx; 103 kcondvar_t sme_cv; 104 105 /* 106 * Types of properties that can be set via userland. 107 */ 108 enum { 109 USERPROP_DESC = 0x0001, 110 USERPROP_BATTCAP = 0x0002, 111 USERPROP_CRITMAX = 0x0004, 112 USERPROP_CRITMIN = 0x0008, 113 USERPROP_RFACT = 0x0010 114 }; 115 116 static prop_dictionary_t sme_propd; 117 static uint32_t sysmon_envsys_next_sensor_index = 0; 118 static struct sysmon_envsys *sysmon_envsys_find_40(u_int); 119 120 static void sysmon_envsys_release(struct sysmon_envsys *); 121 static void sysmon_envsys_destroy_plist(prop_array_t); 122 static int sme_register_sensorname(struct sysmon_envsys *, envsys_data_t *); 123 static void sme_remove_userprops(void); 124 125 /* 126 * sysmon_envsys_init: 127 * 128 * + Initialize global mutexes, dictionary and the linked lists. 129 */ 130 void 131 sysmon_envsys_init(void) 132 { 133 LIST_INIT(&sysmon_envsys_list); 134 LIST_INIT(&sme_events_list); 135 mutex_init(&sme_mtx, MUTEX_DRIVER, IPL_NONE); 136 mutex_init(&sme_event_init_mtx, MUTEX_DRIVER, IPL_NONE); 137 cv_init(&sme_cv, "smework"); 138 sme_propd = prop_dictionary_create(); 139 } 140 141 /* 142 * sysmonopen_envsys: 143 * 144 * + Open the system monitor device. 145 */ 146 int 147 sysmonopen_envsys(dev_t dev, int flag, int mode, struct lwp *l) 148 { 149 return 0; 150 } 151 152 /* 153 * sysmonclose_envsys: 154 * 155 * + Close the system monitor device. 156 */ 157 int 158 sysmonclose_envsys(dev_t dev, int flag, int mode, struct lwp *l) 159 { 160 /* Nothing to do */ 161 return 0; 162 } 163 164 /* 165 * sysmonioctl_envsys: 166 * 167 * + Perform a sysmon envsys control request. 168 */ 169 int 170 sysmonioctl_envsys(dev_t dev, u_long cmd, void *data, int flag, struct lwp *l) 171 { 172 struct sysmon_envsys *sme = NULL; 173 int error = 0; 174 u_int oidx; 175 176 switch (cmd) { 177 case ENVSYS_GETDICTIONARY: 178 { 179 struct plistref *plist = (struct plistref *)data; 180 181 /* 182 * Update all sysmon envsys devices dictionaries with 183 * new data if it's different than we have currently 184 * in the dictionary. 185 */ 186 mutex_enter(&sme_mtx); 187 LIST_FOREACH(sme, &sysmon_envsys_list, sme_list) { 188 sme->sme_flags |= SME_FLAG_BUSY; 189 error = sme_update_dictionary(sme); 190 if (error) { 191 DPRINTF(("%s: sme_update_dictionary, " 192 "error=%d\n", __func__, error)); 193 sme->sme_flags &= ~SME_FLAG_BUSY; 194 mutex_exit(&sme_mtx); 195 return error; 196 } 197 sme->sme_flags &= ~SME_FLAG_BUSY; 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 case ENVSYS_SETDICTIONARY: 207 { 208 const struct plistref *plist = (const struct plistref *)data; 209 prop_dictionary_t udict; 210 prop_object_iterator_t iter, iter2; 211 prop_object_t obj, obj2; 212 prop_array_t array_u, array_k; 213 const char *devname = NULL; 214 215 if ((flag & FWRITE) == 0) 216 return EPERM; 217 218 /* 219 * Get dictionary from userland. 220 */ 221 error = prop_dictionary_copyin_ioctl(plist, cmd, &udict); 222 if (error) { 223 DPRINTF(("%s: copyin_ioctl error=%d\n", 224 __func__, error)); 225 break; 226 } 227 228 iter = prop_dictionary_iterator(udict); 229 if (!iter) { 230 prop_object_release(udict); 231 return ENOMEM; 232 } 233 234 /* 235 * Iterate over the userland dictionary and process 236 * the list of devices. 237 */ 238 while ((obj = prop_object_iterator_next(iter))) { 239 array_u = prop_dictionary_get_keysym(udict, obj); 240 if (prop_object_type(array_u) != PROP_TYPE_ARRAY) { 241 prop_object_iterator_release(iter); 242 prop_object_release(udict); 243 return EINVAL; 244 } 245 246 devname = prop_dictionary_keysym_cstring_nocopy(obj); 247 DPRINTF(("%s: processing the '%s' array requests\n", 248 __func__, devname)); 249 250 /* 251 * find the correct sme device. 252 */ 253 sme = sysmon_envsys_find(devname); 254 if (!sme) { 255 DPRINTF(("%s: NULL sme\n", __func__)); 256 prop_object_iterator_release(iter); 257 prop_object_release(udict); 258 return EINVAL; 259 } 260 261 /* 262 * Find the correct array object with the string 263 * supplied by the userland dictionary. 264 */ 265 array_k = prop_dictionary_get(sme_propd, devname); 266 if (prop_object_type(array_k) != PROP_TYPE_ARRAY) { 267 DPRINTF(("%s: array device failed\n", 268 __func__)); 269 sysmon_envsys_release(sme); 270 prop_object_iterator_release(iter); 271 prop_object_release(udict); 272 return EINVAL; 273 } 274 275 iter2 = prop_array_iterator(array_u); 276 if (!iter2) { 277 sysmon_envsys_release(sme); 278 prop_object_iterator_release(iter); 279 prop_object_release(udict); 280 return ENOMEM; 281 } 282 283 /* 284 * Iterate over the array of dictionaries to 285 * process the list of sensors. 286 */ 287 while ((obj2 = prop_object_iterator_next(iter2))) { 288 /* do the real work now */ 289 error = sme_userset_dictionary(sme, 290 obj2, 291 array_k); 292 if (error) { 293 sysmon_envsys_release(sme); 294 prop_object_iterator_release(iter2); 295 prop_object_iterator_release(iter); 296 prop_object_release(udict); 297 return EINVAL; 298 } 299 } 300 301 sysmon_envsys_release(sme); 302 prop_object_iterator_release(iter2); 303 } 304 305 prop_object_iterator_release(iter); 306 prop_object_release(udict); 307 break; 308 } 309 case ENVSYS_REMOVEPROPS: 310 { 311 const struct plistref *plist = (const struct plistref *)data; 312 prop_dictionary_t udict; 313 prop_object_t obj; 314 315 if ((flag & FWRITE) == 0) 316 return EPERM; 317 318 error = prop_dictionary_copyin_ioctl(plist, cmd, &udict); 319 if (error) { 320 DPRINTF(("%s: copyin_ioctl error=%d\n", 321 __func__, error)); 322 break; 323 } 324 325 obj = prop_dictionary_get(udict, "envsys-remove-props"); 326 if (!obj || !prop_bool_true(obj)) { 327 DPRINTF(("%s: invalid 'envsys-remove-props'\n", 328 __func__)); 329 return EINVAL; 330 } 331 332 sme_remove_userprops(); 333 334 prop_object_release(udict); 335 break; 336 } 337 338 /* 339 * Compatibility functions with the old interface, only 340 * implemented ENVSYS_GTREDATA and ENVSYS_GTREINFO; enough 341 * to make old applications work. 342 */ 343 case ENVSYS_GTREDATA: 344 { 345 struct envsys_tre_data *tred = (void *)data; 346 envsys_data_t *edata = NULL; 347 348 tred->validflags = 0; 349 350 sme = sysmon_envsys_find_40(tred->sensor); 351 if (!sme) 352 break; 353 354 mutex_enter(&sme_mtx); 355 oidx = tred->sensor; 356 tred->sensor = SME_SENSOR_IDX(sme, tred->sensor); 357 358 DPRINTFOBJ(("%s: sensor=%d oidx=%d dev=%s nsensors=%d\n", 359 __func__, tred->sensor, oidx, sme->sme_name, 360 sme->sme_nsensors)); 361 362 edata = &sme->sme_sensor_data[tred->sensor]; 363 364 if (tred->sensor < sme->sme_nsensors) { 365 if ((sme->sme_flags & SME_DISABLE_GTREDATA) == 0) { 366 error = (*sme->sme_gtredata)(sme, edata); 367 if (error) { 368 DPRINTF(("%s: sme_gtredata failed\n", 369 __func__)); 370 mutex_exit(&sme_mtx); 371 return error; 372 } 373 } 374 375 /* copy required values to the old interface */ 376 tred->sensor = edata->sensor; 377 tred->cur.data_us = edata->value_cur; 378 tred->cur.data_s = edata->value_cur; 379 tred->max.data_us = edata->value_max; 380 tred->max.data_s = edata->value_max; 381 tred->min.data_us = edata->value_min; 382 tred->min.data_s = edata->value_min; 383 tred->avg.data_us = edata->value_avg; 384 tred->avg.data_s = edata->value_avg; 385 if (edata->units == ENVSYS_BATTERY_CHARGE) 386 tred->units = ENVSYS_INDICATOR; 387 else 388 tred->units = edata->units; 389 390 tred->validflags |= ENVSYS_FVALID; 391 tred->validflags |= ENVSYS_FCURVALID; 392 393 if (edata->flags & ENVSYS_FPERCENT) { 394 tred->validflags |= ENVSYS_FMAXVALID; 395 tred->validflags |= ENVSYS_FFRACVALID; 396 } 397 398 if (edata->state == ENVSYS_SINVALID || 399 edata->flags & ENVSYS_FNOTVALID) { 400 tred->validflags &= ~ENVSYS_FCURVALID; 401 tred->cur.data_us = tred->cur.data_s = 0; 402 } 403 404 DPRINTFOBJ(("%s: sensor=%s tred->cur.data_s=%d\n", 405 __func__, edata->desc, tred->cur.data_s)); 406 DPRINTFOBJ(("%s: tred->validflags=%d tred->units=%d" 407 " tred->sensor=%d\n", __func__, tred->validflags, 408 tred->units, tred->sensor)); 409 } 410 tred->sensor = oidx; 411 mutex_exit(&sme_mtx); 412 413 break; 414 } 415 case ENVSYS_GTREINFO: 416 { 417 struct envsys_basic_info *binfo = (void *)data; 418 envsys_data_t *edata = NULL; 419 420 binfo->validflags = 0; 421 422 sme = sysmon_envsys_find_40(binfo->sensor); 423 if (!sme) 424 break; 425 426 mutex_enter(&sme_mtx); 427 oidx = binfo->sensor; 428 binfo->sensor = SME_SENSOR_IDX(sme, binfo->sensor); 429 430 edata = &sme->sme_sensor_data[binfo->sensor]; 431 432 binfo->validflags |= ENVSYS_FVALID; 433 434 if (binfo->sensor < sme->sme_nsensors) { 435 if (edata->units == ENVSYS_BATTERY_CHARGE) 436 binfo->units = ENVSYS_INDICATOR; 437 else 438 binfo->units = edata->units; 439 440 /* 441 * previously, the ACPI sensor names included the 442 * device name. Include that in compatibility code. 443 */ 444 if (strncmp(sme->sme_name, "acpi", 4) == 0) 445 (void)snprintf(binfo->desc, sizeof(binfo->desc), 446 "%s %s", sme->sme_name, edata->desc); 447 else 448 (void)strlcpy(binfo->desc, edata->desc, 449 sizeof(binfo->desc)); 450 } 451 452 DPRINTFOBJ(("%s: binfo->units=%d binfo->validflags=%d\n", 453 __func__, binfo->units, binfo->validflags)); 454 DPRINTFOBJ(("%s: binfo->desc=%s binfo->sensor=%d\n", 455 __func__, binfo->desc, binfo->sensor)); 456 457 binfo->sensor = oidx; 458 mutex_exit(&sme_mtx); 459 460 break; 461 } 462 default: 463 error = ENOTTY; 464 break; 465 } 466 467 return error; 468 } 469 470 /* 471 * sysmon_envsys_register: 472 * 473 * + Register a sysmon envsys device. 474 * + Create array of dictionaries for a device. 475 */ 476 int 477 sysmon_envsys_register(struct sysmon_envsys *sme) 478 { 479 struct sme_evdrv { 480 SLIST_ENTRY(sme_evdrv) evdrv_head; 481 sme_event_drv_t *evdrv; 482 }; 483 SLIST_HEAD(, sme_evdrv) sme_evdrv_list; 484 struct sme_evdrv *sme_evdrv = NULL; 485 struct sysmon_envsys *lsme; 486 prop_dictionary_t dict; 487 prop_array_t array; 488 envsys_data_t *edata = NULL; 489 int i, error = 0; 490 491 KASSERT(sme != NULL); 492 KASSERT(sme->sme_name != NULL); 493 KASSERT(sme->sme_sensor_data != NULL); 494 495 /* 496 * sme_nsensors is mandatory... 497 */ 498 if (!sme->sme_nsensors) 499 return EINVAL; 500 501 /* 502 * sanity check: if SME_DISABLE_GTREDATA is not set, 503 * the sme_gtredata function callback must be non NULL. 504 */ 505 if ((sme->sme_flags & SME_DISABLE_GTREDATA) == 0) { 506 if (!sme->sme_gtredata) 507 return EINVAL; 508 } 509 510 511 /* create the sysmon envsys device array. */ 512 array = prop_array_create(); 513 if (!array) 514 return ENOMEM; 515 516 /* 517 * Initialize the singly linked list for sensor descriptions. 518 */ 519 SLIST_INIT(&sme->sme_names_list); 520 521 /* 522 * Initialize the singly linked list for driver events. 523 */ 524 SLIST_INIT(&sme_evdrv_list); 525 /* 526 * Iterate over all sensors and create a dictionary per sensor, 527 * checking firstly if sensor description is unique. 528 */ 529 for (i = 0; i < sme->sme_nsensors; i++) { 530 edata = &sme->sme_sensor_data[i]; 531 /* 532 * Check if sensor description is unique. 533 */ 534 if (sme_register_sensorname(sme, edata)) 535 continue; 536 537 dict = prop_dictionary_create(); 538 if (!dict) { 539 error = ENOMEM; 540 goto out2; 541 } 542 543 /* 544 * Create all objects in sensor's dictionary. 545 */ 546 sme_evdrv = kmem_zalloc(sizeof(*sme_evdrv), KM_SLEEP); 547 sme_evdrv->evdrv = sme_add_sensor_dictionary(sme, 548 array, dict, edata); 549 if (sme_evdrv->evdrv) 550 SLIST_INSERT_HEAD(&sme_evdrv_list, 551 sme_evdrv, evdrv_head); 552 } 553 554 /* 555 * Check if requested sysmon_envsys device is valid 556 * and does not exist already in the list. 557 */ 558 mutex_enter(&sme_mtx); 559 sme->sme_flags |= SME_FLAG_BUSY; 560 LIST_FOREACH(lsme, &sysmon_envsys_list, sme_list) { 561 if (strcmp(lsme->sme_name, sme->sme_name) == 0) { 562 error = EEXIST; 563 goto out; 564 } 565 } 566 567 /* 568 * If the array does not contain any object (sensor), there's 569 * no need to attach the driver. 570 */ 571 if (prop_array_count(array) == 0) { 572 error = EINVAL; 573 DPRINTF(("%s: empty array for '%s'\n", __func__, 574 sme->sme_name)); 575 goto out; 576 } 577 /* 578 * Add the array into the global dictionary for the driver. 579 * 580 * <dict> 581 * <key>foo0</key> 582 * <array> 583 * ... 584 */ 585 if (!prop_dictionary_set(sme_propd, sme->sme_name, array)) { 586 error = EINVAL; 587 DPRINTF(("%s: prop_dictionary_set for '%s'\n", __func__, 588 sme->sme_name)); 589 goto out; 590 } 591 /* 592 * Add the device into the list. 593 */ 594 LIST_INSERT_HEAD(&sysmon_envsys_list, sme, sme_list); 595 sme->sme_fsensor = sysmon_envsys_next_sensor_index; 596 sysmon_envsys_next_sensor_index += sme->sme_nsensors; 597 out: 598 sme->sme_uniqsensors = 0; 599 sme->sme_flags &= ~SME_FLAG_BUSY; 600 mutex_exit(&sme_mtx); 601 602 if (error == 0) { 603 i = 0; 604 SLIST_FOREACH(sme_evdrv, &sme_evdrv_list, evdrv_head) { 605 if (i == 0) 606 sysmon_task_queue_init(); 607 sysmon_task_queue_sched(0, 608 sme_event_drvadd, sme_evdrv->evdrv); 609 } 610 DPRINTF(("%s: driver '%s' registered (nsens=%d)\n", 611 __func__, sme->sme_name, sme->sme_nsensors)); 612 } 613 614 out2: 615 while (!SLIST_EMPTY(&sme_evdrv_list)) { 616 sme_evdrv = SLIST_FIRST(&sme_evdrv_list); 617 SLIST_REMOVE_HEAD(&sme_evdrv_list, evdrv_head); 618 kmem_free(sme_evdrv, sizeof(*sme_evdrv)); 619 } 620 if (!error) 621 return 0; 622 623 DPRINTF(("%s: failed to register '%s' (%d)\n", __func__, 624 sme->sme_name, error)); 625 if (error != EEXIST) { 626 mutex_enter(&sme_mtx); 627 sme_event_unregister_all(sme->sme_name); 628 mutex_exit(&sme_mtx); 629 } 630 sysmon_envsys_destroy_plist(array); 631 return error; 632 } 633 634 /* 635 * sysmon_envsys_destroy_plist: 636 * 637 * + Remove all objects from the array of dictionaries that is 638 * created in a sysmon envsys device. 639 */ 640 static void 641 sysmon_envsys_destroy_plist(prop_array_t array) 642 { 643 prop_object_iterator_t iter, iter2; 644 prop_dictionary_t dict; 645 prop_object_t obj; 646 647 KASSERT(array != NULL); 648 649 DPRINTFOBJ(("%s: objects in array=%d\n", __func__, 650 prop_array_count(array))); 651 652 iter = prop_array_iterator(array); 653 if (!iter) 654 return; 655 656 while ((dict = prop_object_iterator_next(iter))) { 657 KASSERT(prop_object_type(dict) == PROP_TYPE_DICTIONARY); 658 iter2 = prop_dictionary_iterator(dict); 659 if (!iter2) 660 goto out; 661 DPRINTFOBJ(("%s: iterating over dictionary\n", __func__)); 662 while ((obj = prop_object_iterator_next(iter2)) != NULL) { 663 DPRINTFOBJ(("%s: obj=%s\n", __func__, 664 prop_dictionary_keysym_cstring_nocopy(obj))); 665 prop_dictionary_remove(dict, 666 prop_dictionary_keysym_cstring_nocopy(obj)); 667 prop_object_iterator_reset(iter2); 668 } 669 prop_object_iterator_release(iter2); 670 DPRINTFOBJ(("%s: objects in dictionary:%d\n", 671 __func__, prop_dictionary_count(dict))); 672 prop_object_release(dict); 673 } 674 675 out: 676 prop_object_iterator_release(iter); 677 prop_object_release(array); 678 } 679 680 /* 681 * sysmon_envsys_unregister: 682 * 683 * + Unregister a sysmon envsys device. 684 */ 685 void 686 sysmon_envsys_unregister(struct sysmon_envsys *sme) 687 { 688 struct sme_sensor_names *snames; 689 prop_array_t array; 690 691 KASSERT(sme != NULL); 692 693 mutex_enter(&sme_mtx); 694 while (sme->sme_flags & SME_FLAG_BUSY) { 695 sme->sme_flags |= SME_FLAG_WANTED; 696 cv_wait(&sme_cv, &sme_mtx); 697 } 698 sysmon_envsys_next_sensor_index -= sme->sme_nsensors; 699 /* 700 * Remove all sensor descriptions from the singly linked list. 701 */ 702 while (!SLIST_EMPTY(&sme->sme_names_list)) { 703 snames = SLIST_FIRST(&sme->sme_names_list); 704 SLIST_REMOVE_HEAD(&sme->sme_names_list, sme_names); 705 kmem_free(snames, sizeof(*snames)); 706 } 707 /* 708 * Unregister all events associated with this device. 709 */ 710 sme_event_unregister_all(sme->sme_name); 711 LIST_REMOVE(sme, sme_list); 712 mutex_exit(&sme_mtx); 713 /* 714 * Remove the device (and all its objects) from the global dictionary. 715 */ 716 array = prop_dictionary_get(sme_propd, sme->sme_name); 717 if (array && prop_object_type(array) == PROP_TYPE_ARRAY) { 718 prop_dictionary_remove(sme_propd, sme->sme_name); 719 sysmon_envsys_destroy_plist(array); 720 } 721 } 722 723 /* 724 * sysmon_envsys_find: 725 * 726 * + Find a sysmon envsys device. 727 */ 728 struct sysmon_envsys * 729 sysmon_envsys_find(const char *name) 730 { 731 struct sysmon_envsys *sme; 732 733 mutex_enter(&sme_mtx); 734 again: 735 for (sme = LIST_FIRST(&sysmon_envsys_list); sme; 736 sme = LIST_NEXT(sme, sme_list)) { 737 if (strcmp(sme->sme_name, name) == 0) { 738 if (sme->sme_flags & SME_FLAG_BUSY) { 739 sme->sme_flags |= SME_FLAG_WANTED; 740 cv_wait(&sme_cv, &sme_mtx); 741 goto again; 742 } 743 sme->sme_flags |= SME_FLAG_BUSY; 744 break; 745 } 746 } 747 mutex_exit(&sme_mtx); 748 return sme; 749 } 750 751 /* 752 * sysmon_envsys_release: 753 * 754 * + Release a sysmon envsys device. 755 */ 756 void 757 sysmon_envsys_release(struct sysmon_envsys *sme) 758 { 759 mutex_enter(&sme_mtx); 760 if (sme->sme_flags & SME_FLAG_WANTED) 761 cv_broadcast(&sme_cv); 762 sme->sme_flags &= ~(SME_FLAG_BUSY | SME_FLAG_WANTED); 763 mutex_exit(&sme_mtx); 764 } 765 766 /* compatibility function */ 767 struct sysmon_envsys * 768 sysmon_envsys_find_40(u_int idx) 769 { 770 struct sysmon_envsys *sme; 771 772 mutex_enter(&sme_mtx); 773 for (sme = LIST_FIRST(&sysmon_envsys_list); sme; 774 sme = LIST_NEXT(sme, sme_list)) { 775 if (idx >= sme->sme_fsensor && 776 idx < (sme->sme_fsensor + sme->sme_nsensors)) 777 break; 778 } 779 mutex_exit(&sme_mtx); 780 return sme; 781 } 782 783 /* 784 * sme_sensor_dictionary_get: 785 * 786 * + Returns a dictionary of a device specified by 'index'. 787 */ 788 prop_dictionary_t 789 sme_sensor_dictionary_get(prop_array_t array, const char *index) 790 { 791 prop_object_iterator_t iter; 792 prop_dictionary_t dict; 793 prop_object_t obj; 794 795 KASSERT(array != NULL || index != NULL); 796 797 iter = prop_array_iterator(array); 798 if (!iter) 799 return NULL; 800 801 while ((dict = prop_object_iterator_next(iter))) { 802 obj = prop_dictionary_get(dict, "index"); 803 if (prop_string_equals_cstring(obj, index)) 804 break; 805 } 806 807 prop_object_iterator_release(iter); 808 return dict; 809 } 810 811 /* 812 * sme_remove_userprops: 813 * 814 * + Remove all properties from all devices that were set by 815 * the userland. 816 */ 817 static void 818 sme_remove_userprops(void) 819 { 820 struct sysmon_envsys *sme; 821 prop_array_t array; 822 prop_dictionary_t sdict; 823 envsys_data_t *edata = NULL; 824 char tmp[ENVSYS_DESCLEN]; 825 int i, ptype; 826 827 mutex_enter(&sme_mtx); 828 LIST_FOREACH(sme, &sysmon_envsys_list, sme_list) { 829 sme->sme_flags |= SME_FLAG_BUSY; 830 array = prop_dictionary_get(sme_propd, sme->sme_name); 831 832 for (i = 0; i < sme->sme_nsensors; i++) { 833 edata = &sme->sme_sensor_data[i]; 834 (void)snprintf(tmp, sizeof(tmp), "sensor%d", 835 edata->sensor); 836 sdict = sme_sensor_dictionary_get(array, tmp); 837 838 if (edata->upropset & USERPROP_BATTCAP) { 839 prop_dictionary_remove(sdict, 840 "critical-capacity"); 841 ptype = PENVSYS_EVENT_BATT_USERCAP; 842 sme_event_unregister(edata->desc, ptype); 843 } 844 845 if (edata->upropset & USERPROP_CRITMAX) { 846 prop_dictionary_remove(sdict, 847 "critical-max"); 848 ptype = PENVSYS_EVENT_USER_CRITMAX; 849 sme_event_unregister(edata->desc, ptype); 850 } 851 852 if (edata->upropset & USERPROP_CRITMIN) { 853 prop_dictionary_remove(sdict, 854 "critical-min"); 855 ptype = PENVSYS_EVENT_USER_CRITMIN; 856 sme_event_unregister(edata->desc, ptype); 857 } 858 859 if (edata->upropset & USERPROP_RFACT) { 860 (void)sme_sensor_upint32(sdict, "rfact", 0); 861 edata->rfact = 0; 862 } 863 864 if (edata->upropset & USERPROP_DESC) 865 (void)sme_sensor_upstring(sdict, 866 "description", edata->desc); 867 } 868 869 if (edata->upropset) 870 edata->upropset = 0; 871 872 sme->sme_flags &= ~SME_FLAG_BUSY; 873 } 874 mutex_exit(&sme_mtx); 875 } 876 /* 877 * sme_register_sensorname: 878 * 879 * + Register a sensor description into the list maintained per device. 880 */ 881 static int 882 sme_register_sensorname(struct sysmon_envsys *sme, envsys_data_t *edata) 883 { 884 struct sme_sensor_names *snames, *snames2 = NULL; 885 886 KASSERT(edata != NULL); 887 888 SLIST_FOREACH(snames2, &sme->sme_names_list, sme_names) { 889 /* 890 * Match sensors with empty and duplicate description. 891 */ 892 if (strlen(edata->desc) == 0 || 893 strcmp(snames2->desc, edata->desc) == 0) 894 if (snames2->assigned) { 895 edata->flags |= ENVSYS_FNOTVALID; 896 DPRINTF(("%s: wrong sensor name='%s'\n", 897 sme->sme_name, edata->desc)); 898 return EEXIST; 899 } 900 } 901 902 snames = kmem_zalloc(sizeof(*snames), KM_NOSLEEP); 903 if (!snames) 904 return ENOMEM; 905 906 snames->assigned = true; 907 (void)strlcpy(snames->desc, edata->desc, sizeof(snames->desc)); 908 DPRINTF(("%s: registering sensor name='%s'\n", 909 sme->sme_name, edata->desc)); 910 SLIST_INSERT_HEAD(&sme->sme_names_list, snames, sme_names); 911 sme->sme_uniqsensors++; 912 913 return 0; 914 } 915 916 /* 917 * sme_add_sensor_dictionary: 918 * 919 * + Add the objects into the dictionary. 920 */ 921 sme_event_drv_t * 922 sme_add_sensor_dictionary(struct sysmon_envsys *sme, prop_array_t array, 923 prop_dictionary_t dict, envsys_data_t *edata) 924 { 925 const struct sme_description_table *sdt, *sdt_units; 926 sme_event_drv_t *sme_evdrv_t = NULL; 927 int i, j; 928 char indexstr[ENVSYS_DESCLEN]; 929 930 i = j = 0; 931 932 /* find the correct unit for this sensor. */ 933 sdt_units = sme_get_description_table(SME_DESC_UNITS); 934 for (i = 0; sdt_units[i].type != -1; i++) 935 if (sdt_units[i].type == edata->units) 936 break; 937 938 if (strcmp(sdt_units[i].desc, "unknown") == 0) { 939 DPRINTF(("%s: invalid units type for sensor=%d\n", 940 __func__, edata->sensor)); 941 goto invalidate_sensor; 942 } 943 944 /* 945 * Add the index sensor string. 946 * 947 * ... 948 * <key>index</key> 949 * <string>sensor0</string> 950 * ... 951 */ 952 (void)snprintf(indexstr, sizeof(indexstr), "sensor%d", edata->sensor); 953 if (sme_sensor_upstring(dict, "index", indexstr)) 954 goto invalidate_sensor; 955 956 /* 957 * ... 958 * <key>type</key> 959 * <string>foo</string> 960 * <key>description</key> 961 * <string>blah blah</string> 962 * ... 963 */ 964 if (sme_sensor_upstring(dict, "type", sdt_units[i].desc)) 965 goto invalidate_sensor; 966 967 if (strlen(edata->desc) == 0) { 968 DPRINTF(("%s: invalid description for sensor=%d\n", 969 __func__, edata->sensor)); 970 goto invalidate_sensor; 971 } 972 973 if (sme_sensor_upstring(dict, "description", edata->desc)) 974 goto invalidate_sensor; 975 976 /* 977 * Add sensor's state description. 978 * 979 * ... 980 * <key>state</key> 981 * <string>valid</string> 982 * ... 983 */ 984 sdt = sme_get_description_table(SME_DESC_STATES); 985 for (j = 0; sdt[j].type != -1; j++) 986 if (sdt[j].type == edata->state) 987 break; 988 989 if (strcmp(sdt[j].desc, "unknown") == 0) { 990 DPRINTF(("%s: invalid state for sensor=%d\n", 991 __func__, edata->sensor)); 992 goto invalidate_sensor; 993 } 994 995 DPRINTF(("%s: sensor desc=%s type=%d state=%d\n", 996 __func__, edata->desc, edata->units, edata->state)); 997 998 if (sme_sensor_upstring(dict, "state", sdt[j].desc)) 999 goto invalidate_sensor; 1000 1001 /* 1002 * Add the monitoring boolean object: 1003 * 1004 * ... 1005 * <key>monitoring-supported</key> 1006 * <true/> 1007 * ... 1008 * 1009 * always false on Battery {capacity,charge}, Drive and Indicator types. 1010 * They cannot be monitored. 1011 * 1012 */ 1013 if ((edata->flags & ENVSYS_FMONNOTSUPP) || 1014 (edata->units == ENVSYS_INDICATOR) || 1015 (edata->units == ENVSYS_DRIVE) || 1016 (edata->units == ENVSYS_BATTERY_CAPACITY) || 1017 (edata->units == ENVSYS_BATTERY_CHARGE)) { 1018 if (sme_sensor_upbool(dict, "monitoring-supported", false)) 1019 goto out; 1020 } else { 1021 if (sme_sensor_upbool(dict, "monitoring-supported", true)) 1022 goto out; 1023 } 1024 1025 /* 1026 * Add the percentage boolean object, true if ENVSYS_FPERCENT 1027 * is set or false otherwise. 1028 * 1029 * ... 1030 * <key>want-percentage</key> 1031 * <true/> 1032 * ... 1033 */ 1034 if (edata->flags & ENVSYS_FPERCENT) 1035 if (sme_sensor_upbool(dict, "want-percentage", true)) 1036 goto out; 1037 1038 /* 1039 * Add the allow-rfact boolean object, true if 1040 * ENVSYS_FCHANGERFACT if set or false otherwise. 1041 * 1042 * ... 1043 * <key>allow-rfact</key> 1044 * <true/> 1045 * ... 1046 */ 1047 if (edata->units == ENVSYS_SVOLTS_DC || 1048 edata->units == ENVSYS_SVOLTS_AC) { 1049 if (edata->flags & ENVSYS_FCHANGERFACT) { 1050 if (sme_sensor_upbool(dict, "allow-rfact", true)) 1051 goto out; 1052 } else { 1053 if (sme_sensor_upbool(dict, "allow-rfact", false)) 1054 goto out; 1055 } 1056 } 1057 1058 1059 /* 1060 * Add the object for battery capacity sensors: 1061 * 1062 * ... 1063 * <key>battery-capacity</key> 1064 * <string>NORMAL</string> 1065 * ... 1066 */ 1067 if (edata->units == ENVSYS_BATTERY_CAPACITY) { 1068 sdt = sme_get_description_table(SME_DESC_BATTERY_CAPACITY); 1069 for (j = 0; sdt[j].type != -1; j++) 1070 if (sdt[j].type == edata->value_cur) 1071 break; 1072 1073 if (sme_sensor_upstring(dict, "battery-capacity", sdt[j].desc)) 1074 goto out; 1075 } 1076 1077 /* 1078 * Add the drive-state object for drive sensors: 1079 * 1080 * ... 1081 * <key>drive-state</key> 1082 * <string>drive is online</string> 1083 * ... 1084 */ 1085 if (edata->units == ENVSYS_DRIVE) { 1086 sdt = sme_get_description_table(SME_DESC_DRIVE_STATES); 1087 for (j = 0; sdt[j].type != -1; j++) 1088 if (sdt[j].type == edata->value_cur) 1089 break; 1090 1091 if (sme_sensor_upstring(dict, "drive-state", sdt[j].desc)) 1092 goto out; 1093 } 1094 1095 /* 1096 * if sensor is enabled, add the following properties... 1097 */ 1098 if (edata->state == ENVSYS_SVALID) { 1099 /* 1100 * ... 1101 * <key>rpms</key> 1102 * <integer>2500</integer> 1103 * <key>rfact</key> 1104 * <integer>10000</integer> 1105 * <key>cur-value</key> 1106 * <integer>1250</integer> 1107 * <key>min-value</key> 1108 * <integer>800</integer> 1109 * <key>max-value</integer> 1110 * <integer>3000</integer> 1111 * <key>avg-value</integer> 1112 * <integer>1400</integer> 1113 * </dict> 1114 */ 1115 if (edata->units == ENVSYS_SFANRPM) 1116 if (sme_sensor_upuint32(dict, "rpms", edata->rpms)) 1117 goto out; 1118 1119 if (edata->units == ENVSYS_SVOLTS_AC || 1120 edata->units == ENVSYS_SVOLTS_DC) 1121 if (sme_sensor_upint32(dict, "rfact", edata->rfact)) 1122 goto out; 1123 1124 if (sme_sensor_upint32(dict, "cur-value", edata->value_cur)) 1125 goto out; 1126 1127 if (edata->flags & ENVSYS_FVALID_MIN) { 1128 if (sme_sensor_upint32(dict, 1129 "min-value", 1130 edata->value_min)) 1131 goto out; 1132 } 1133 1134 if (edata->flags & ENVSYS_FVALID_MAX) { 1135 if (sme_sensor_upint32(dict, 1136 "max-value", 1137 edata->value_max)) 1138 goto out; 1139 } 1140 1141 if (edata->flags & ENVSYS_FVALID_AVG) { 1142 if (sme_sensor_upint32(dict, 1143 "avg-value", 1144 edata->value_avg)) 1145 goto out; 1146 } 1147 } 1148 1149 /* 1150 * ... 1151 * </array> 1152 * 1153 * Add the dictionary into the array. 1154 * 1155 */ 1156 1157 if (!prop_array_set(array, sme->sme_uniqsensors - 1, dict)) { 1158 DPRINTF(("%s: prop_array_add\n", __func__)); 1159 goto invalidate_sensor; 1160 } 1161 1162 /* 1163 * Add a new event if a monitoring flag was set. 1164 */ 1165 if (edata->monitor) { 1166 sme_evdrv_t = kmem_zalloc(sizeof(*sme_evdrv_t), KM_SLEEP); 1167 sme_evdrv_t->sdict = dict; 1168 sme_evdrv_t->edata = edata; 1169 sme_evdrv_t->sme = sme; 1170 sme_evdrv_t->powertype = sdt_units[i].crittype; 1171 } 1172 1173 out: 1174 return sme_evdrv_t; 1175 1176 invalidate_sensor: 1177 edata->flags |= ENVSYS_FNOTVALID; 1178 prop_object_release(dict); 1179 return sme_evdrv_t; 1180 } 1181 1182 /* 1183 * sme_update_dictionary: 1184 * 1185 * + Update per-sensor dictionaries with new values if there were 1186 * changes, otherwise the object in dictionary is untouched. 1187 */ 1188 int 1189 sme_update_dictionary(struct sysmon_envsys *sme) 1190 { 1191 const struct sme_description_table *sdt; 1192 envsys_data_t *edata; 1193 prop_object_t array, dict; 1194 int i, j, error, invalid; 1195 1196 KASSERT(mutex_owned(&sme_mtx)); 1197 1198 error = invalid = 0; 1199 array = dict = NULL; 1200 1201 /* retrieve the array of dictionaries in device. */ 1202 array = prop_dictionary_get(sme_propd, sme->sme_name); 1203 if (prop_object_type(array) != PROP_TYPE_ARRAY) { 1204 DPRINTF(("%s: not an array (%s)\n", __func__, sme->sme_name)); 1205 return EINVAL; 1206 } 1207 1208 /* 1209 * - iterate over all sensors. 1210 * - fetch new data. 1211 * - check if data in dictionary is different than new data. 1212 * - update dictionary if there were changes. 1213 */ 1214 DPRINTF(("%s: updating '%s' with nsensors=%d\n", __func__, 1215 sme->sme_name, sme->sme_nsensors)); 1216 1217 for (i = 0; i < sme->sme_nsensors; i++) { 1218 edata = &sme->sme_sensor_data[i]; 1219 /* skip invalid sensors */ 1220 if (edata->flags & ENVSYS_FNOTVALID) { 1221 DPRINTF(("%s: invalid sensor=%s idx=%d\n", 1222 __func__, edata->desc, edata->sensor)); 1223 invalid++; 1224 continue; 1225 } 1226 1227 /* 1228 * refresh sensor data via sme_gtredata only if the 1229 * flag is not set. 1230 */ 1231 if ((sme->sme_flags & SME_DISABLE_GTREDATA) == 0) { 1232 error = (*sme->sme_gtredata)(sme, edata); 1233 if (error) { 1234 DPRINTF(("%s: gtredata[%d] failed\n", 1235 __func__, i)); 1236 return error; 1237 } 1238 } 1239 1240 /* retrieve sensor's dictionary. */ 1241 dict = prop_array_get(array, i - invalid); 1242 if (prop_object_type(dict) != PROP_TYPE_DICTIONARY) { 1243 DPRINTF(("%s: not a dictionary (%d:%s)\n", 1244 __func__, edata->sensor, sme->sme_name)); 1245 return EINVAL; 1246 } 1247 1248 /* update sensor's state */ 1249 sdt = sme_get_description_table(SME_DESC_STATES); 1250 for (j = 0; sdt[j].type != -1; j++) 1251 if (sdt[j].type == edata->state) 1252 break; 1253 1254 DPRINTFOBJ(("%s: state=%s type=%d flags=%d " 1255 "units=%d sensor=%d\n", __func__, sdt[j].desc, 1256 sdt[j].type, edata->flags, edata->units, edata->sensor)); 1257 1258 /* update sensor state */ 1259 error = sme_sensor_upstring(dict, "state", sdt[j].desc); 1260 if (error) 1261 break; 1262 1263 /* update sensor type */ 1264 sdt = sme_get_description_table(SME_DESC_UNITS); 1265 for (j = 0; sdt[j].type != -1; j++) 1266 if (sdt[j].type == edata->units) 1267 break; 1268 1269 error = sme_sensor_upstring(dict, "type", sdt[j].desc); 1270 if (error) 1271 break; 1272 1273 /* update sensor current value */ 1274 error = sme_sensor_upint32(dict, 1275 "cur-value", 1276 edata->value_cur); 1277 if (error) 1278 break; 1279 1280 /* 1281 * Battery charge, Integer and Indicator types do not 1282 * need the following objects, so skip them. 1283 */ 1284 if (edata->units == ENVSYS_INTEGER || 1285 edata->units == ENVSYS_INDICATOR || 1286 edata->units == ENVSYS_BATTERY_CHARGE) 1287 continue; 1288 1289 /* update sensor flags */ 1290 if (edata->flags & ENVSYS_FPERCENT) { 1291 error = sme_sensor_upbool(dict, 1292 "want-percentage", 1293 true); 1294 if (error) 1295 break; 1296 } 1297 1298 if (edata->flags & ENVSYS_FVALID_MAX) { 1299 error = sme_sensor_upint32(dict, 1300 "max-value", 1301 edata->value_max); 1302 if (error) 1303 break; 1304 } 1305 1306 if (edata->flags & ENVSYS_FVALID_MIN) { 1307 error = sme_sensor_upint32(dict, 1308 "min-value", 1309 edata->value_min); 1310 if (error) 1311 break; 1312 } 1313 1314 if (edata->flags & ENVSYS_FVALID_AVG) { 1315 error = sme_sensor_upint32(dict, 1316 "avg-value", 1317 edata->value_avg); 1318 if (error) 1319 break; 1320 } 1321 1322 /* update 'rpms' only in ENVSYS_SFANRPM. */ 1323 if (edata->units == ENVSYS_SFANRPM) { 1324 error = sme_sensor_upuint32(dict, 1325 "rpms", 1326 edata->rpms); 1327 if (error) 1328 break; 1329 } 1330 1331 /* update 'rfact' only in ENVSYS_SVOLTS_[AD]C. */ 1332 if (edata->units == ENVSYS_SVOLTS_AC || 1333 edata->units == ENVSYS_SVOLTS_DC) { 1334 error = sme_sensor_upint32(dict, 1335 "rfact", 1336 edata->rfact); 1337 if (error) 1338 break; 1339 } 1340 1341 /* update 'drive-state' only in ENVSYS_DRIVE. */ 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 error = sme_sensor_upstring(dict, 1349 "drive-state", 1350 sdt[j].desc); 1351 if (error) 1352 break; 1353 } 1354 1355 /* update 'battery-capacity' only in ENVSYS_BATTERY_CAPACITY. */ 1356 if (edata->units == ENVSYS_BATTERY_CAPACITY) { 1357 sdt = 1358 sme_get_description_table(SME_DESC_BATTERY_CAPACITY); 1359 for (j = 0; sdt[j].type != -1; j++) 1360 if (sdt[j].type == edata->value_cur) 1361 break; 1362 1363 error = sme_sensor_upstring(dict, 1364 "battery-capacity", 1365 sdt[j].desc); 1366 if (error) 1367 break; 1368 } 1369 } 1370 1371 return error; 1372 } 1373 1374 /* 1375 * sme_userset_dictionary: 1376 * 1377 * + Parse the userland sensor's dictionary and run the appropiate 1378 * tasks that was requested. 1379 */ 1380 int 1381 sme_userset_dictionary(struct sysmon_envsys *sme, prop_dictionary_t udict, 1382 prop_array_t array) 1383 { 1384 const struct sme_description_table *sdt; 1385 envsys_data_t *edata, *nedata; 1386 prop_dictionary_t dict; 1387 prop_object_t obj, obj1, obj2; 1388 int32_t critval; 1389 int i, invalid, error; 1390 const char *blah, *sname; 1391 bool targetfound = false; 1392 1393 error = invalid = 0; 1394 blah = sname = NULL; 1395 1396 /* get sensor's index from userland dictionary. */ 1397 obj = prop_dictionary_get(udict, "index"); 1398 if (prop_object_type(obj) != PROP_TYPE_STRING) { 1399 DPRINTF(("%s: sensor-name failed\n", __func__)); 1400 return EINVAL; 1401 } 1402 1403 /* iterate over the sensors to find the right one */ 1404 for (i = 0; i < sme->sme_nsensors; i++) { 1405 edata = &sme->sme_sensor_data[i]; 1406 /* 1407 * skip invalid sensors. 1408 */ 1409 if (edata->flags & ENVSYS_FNOTVALID) { 1410 invalid++; 1411 continue; 1412 } 1413 1414 dict = prop_array_get(array, i - invalid); 1415 obj1 = prop_dictionary_get(dict, "index"); 1416 1417 /* is it our sensor? */ 1418 if (!prop_string_equals(obj1, obj)) 1419 continue; 1420 1421 /* 1422 * Check if a new description operation was 1423 * requested by the user and set new description. 1424 */ 1425 if ((obj2 = prop_dictionary_get(udict, "description"))) { 1426 targetfound = true; 1427 blah = prop_string_cstring_nocopy(obj2); 1428 1429 for (i = 0; i < sme->sme_nsensors; i++) { 1430 if (i == edata->sensor) 1431 continue; 1432 1433 nedata = &sme->sme_sensor_data[i]; 1434 if (strcmp(blah, nedata->desc) == 0) { 1435 error = EEXIST; 1436 break; 1437 } 1438 } 1439 1440 if (error) 1441 break; 1442 1443 error = sme_sensor_upstring(dict, 1444 "description", 1445 blah); 1446 if (error) 1447 break; 1448 1449 edata->upropset |= USERPROP_DESC; 1450 } 1451 1452 /* 1453 * did the user want to change the rfact? 1454 */ 1455 obj2 = prop_dictionary_get(udict, "rfact"); 1456 if (obj2) { 1457 targetfound = true; 1458 if (edata->flags & ENVSYS_FCHANGERFACT) { 1459 edata->rfact = prop_number_integer_value(obj2); 1460 edata->upropset |= USERPROP_RFACT; 1461 } else { 1462 error = ENOTSUP; 1463 break; 1464 } 1465 } 1466 1467 sdt = sme_get_description_table(SME_DESC_UNITS); 1468 for (i = 0; sdt[i].type != -1; i++) 1469 if (sdt[i].type == edata->units) 1470 break; 1471 1472 1473 /* 1474 * did the user want to set a critical capacity event? 1475 * 1476 * NOTE: if sme_event_register returns EEXIST that means 1477 * the object is already there, but this is not a real 1478 * error, because the object might be updated. 1479 */ 1480 obj2 = prop_dictionary_get(udict, "critical-capacity"); 1481 if (obj2) { 1482 targetfound = true; 1483 if ((edata->flags & ENVSYS_FMONNOTSUPP) || 1484 (edata->flags & ENVSYS_FPERCENT) == 0) { 1485 error = ENOTSUP; 1486 break; 1487 } 1488 1489 critval = prop_number_integer_value(obj2); 1490 error = sme_event_register(dict, 1491 edata, 1492 sme->sme_name, 1493 "critical-capacity", 1494 critval, 1495 PENVSYS_EVENT_BATT_USERCAP, 1496 sdt[i].crittype); 1497 if (error == EEXIST) 1498 error = 0; 1499 if (!error) 1500 edata->upropset |= USERPROP_BATTCAP; 1501 } 1502 1503 /* 1504 * did the user want to set a critical max event? 1505 */ 1506 obj2 = prop_dictionary_get(udict, "critical-max"); 1507 if (obj2) { 1508 targetfound = true; 1509 if (edata->units == ENVSYS_INDICATOR || 1510 edata->flags & ENVSYS_FMONNOTSUPP) { 1511 error = ENOTSUP; 1512 break; 1513 } 1514 1515 critval = prop_number_integer_value(obj2); 1516 error = sme_event_register(dict, 1517 edata, 1518 sme->sme_name, 1519 "critical-max", 1520 critval, 1521 PENVSYS_EVENT_USER_CRITMAX, 1522 sdt[i].crittype); 1523 if (error == EEXIST) 1524 error = 0; 1525 if (!error) 1526 edata->upropset |= USERPROP_CRITMAX; 1527 } 1528 1529 /* 1530 * did the user want to set a critical min event? 1531 */ 1532 obj2 = prop_dictionary_get(udict, "critical-min"); 1533 if (obj2) { 1534 targetfound = true; 1535 if (edata->units == ENVSYS_INDICATOR || 1536 edata->flags & ENVSYS_FMONNOTSUPP) { 1537 error = ENOTSUP; 1538 break; 1539 } 1540 1541 critval = prop_number_integer_value(obj2); 1542 error = sme_event_register(dict, 1543 edata, 1544 sme->sme_name, 1545 "critical-min", 1546 critval, 1547 PENVSYS_EVENT_USER_CRITMIN, 1548 sdt[i].crittype); 1549 if (error == EEXIST) 1550 error = 0; 1551 if (!error) 1552 edata->upropset |= USERPROP_CRITMIN; 1553 } 1554 1555 /* 1556 * All objects in dictionary were processed. 1557 */ 1558 break; 1559 } 1560 1561 /* invalid target? return the error */ 1562 if (!targetfound) 1563 error = EINVAL; 1564 1565 return error; 1566 } 1567
Indexes created Thu Sep 25 16:09:42 GMT 2025