1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 /* 27 * Copyright (c) 2018, Joyent, Inc. 28 */ 29 30 /* 31 * PICL plug-in that creates device tree nodes for all platforms 32 */ 33 34 #include <stdio.h> 35 #include <string.h> 36 #include <ctype.h> 37 #include <limits.h> 38 #include <stdlib.h> 39 #include <assert.h> 40 #include <alloca.h> 41 #include <unistd.h> 42 #include <stropts.h> 43 #include <syslog.h> 44 #include <libdevinfo.h> 45 #include <sys/dkio.h> 46 #include <sys/vtoc.h> 47 #include <sys/time.h> 48 #include <fcntl.h> 49 #include <picl.h> 50 #include <picltree.h> 51 #include <sys/types.h> 52 #include <sys/processor.h> 53 #include <kstat.h> 54 #include <sys/sysinfo.h> 55 #include <dirent.h> 56 #include <libintl.h> 57 #include <pthread.h> 58 #include <libnvpair.h> 59 #include <sys/utsname.h> 60 #include <sys/systeminfo.h> 61 #include <sys/obpdefs.h> 62 #include <sys/openpromio.h> 63 #include "picldevtree.h" 64 65 /* 66 * Plugin registration entry points 67 */ 68 static void picldevtree_register(void); 69 static void picldevtree_init(void); 70 static void picldevtree_fini(void); 71 72 static void picldevtree_evhandler(const char *ename, const void *earg, 73 size_t size, void *cookie); 74 75 #pragma init(picldevtree_register) 76 77 /* 78 * Log message texts 79 */ 80 #define DEVINFO_PLUGIN_INIT_FAILED gettext("SUNW_picldevtree failed!\n") 81 #define PICL_EVENT_DROPPED \ 82 gettext("SUNW_picldevtree '%s' event dropped.\n") 83 84 /* 85 * Macro to get PCI device id (from IEEE 1275 spec) 86 */ 87 #define PCI_DEVICE_ID(x) (((x) >> 11) & 0x1f) 88 /* 89 * Local variables 90 */ 91 static picld_plugin_reg_t my_reg_info = { 92 PICLD_PLUGIN_VERSION_1, 93 PICLD_PLUGIN_CRITICAL, 94 "SUNW_picldevtree", 95 picldevtree_init, 96 picldevtree_fini 97 }; 98 99 /* 100 * Debug enabling environment variable 101 */ 102 #define SUNW_PICLDEVTREE_PLUGIN_DEBUG "SUNW_PICLDEVTREE_PLUGIN_DEBUG" 103 static int picldevtree_debug = 0; 104 105 static conf_entries_t *conf_name_class_map = NULL; 106 static builtin_map_t sun4u_map[] = { 107 /* MAX_NAMEVAL_SIZE */ 108 { "SUNW,bpp", PICL_CLASS_PARALLEL}, 109 { "parallel", PICL_CLASS_PARALLEL}, 110 { "floppy", PICL_CLASS_FLOPPY}, 111 { "memory", PICL_CLASS_MEMORY}, 112 { "ebus", PICL_CLASS_EBUS}, 113 { "i2c", PICL_CLASS_I2C}, 114 { "usb", PICL_CLASS_USB}, 115 { "isa", PICL_CLASS_ISA}, 116 { "dma", PICL_CLASS_DMA}, 117 { "keyboard", PICL_CLASS_KEYBOARD}, 118 { "mouse", PICL_CLASS_MOUSE}, 119 { "fan-control", PICL_CLASS_FAN_CONTROL}, 120 { "sc", PICL_CLASS_SYSTEM_CONTROLLER}, 121 { "dimm", PICL_CLASS_SEEPROM}, 122 { "dimm-fru", PICL_CLASS_SEEPROM}, 123 { "cpu", PICL_CLASS_SEEPROM}, 124 { "cpu-fru", PICL_CLASS_SEEPROM}, 125 { "flashprom", PICL_CLASS_FLASHPROM}, 126 { "temperature", PICL_CLASS_TEMPERATURE_DEVICE}, 127 { "motherboard", PICL_CLASS_SEEPROM}, 128 { "motherboard-fru", PICL_CLASS_SEEPROM}, 129 { "motherboard-fru-prom", PICL_CLASS_SEEPROM}, 130 { "pmu", PICL_CLASS_PMU}, 131 { "sound", PICL_CLASS_SOUND}, 132 { "firewire", PICL_CLASS_FIREWIRE}, 133 { "i2c-at34c02", PICL_CLASS_SEEPROM}, 134 { "hardware-monitor", PICL_CLASS_HARDWARE_MONITOR}, 135 { "", ""} 136 }; 137 static builtin_map_t i86pc_map[] = { 138 /* MAX_NAMEVAL_SIZE */ 139 { "cpus", PICL_CLASS_I86CPUS}, 140 { "cpu", PICL_CLASS_CPU}, 141 { "memory", PICL_CLASS_MEMORY}, 142 { "asy", PICL_CLASS_SERIAL}, 143 { "", ""} 144 }; 145 static pname_type_map_t pname_type_map[] = { 146 { "reg", PICL_PTYPE_BYTEARRAY}, 147 { "device_type", PICL_PTYPE_CHARSTRING}, 148 { "ranges", PICL_PTYPE_BYTEARRAY}, 149 { "status", PICL_PTYPE_CHARSTRING}, 150 { "compatible", PICL_PTYPE_CHARSTRING}, 151 { "interrupts", PICL_PTYPE_BYTEARRAY}, 152 { "model", PICL_PTYPE_CHARSTRING}, 153 { "address", PICL_PTYPE_BYTEARRAY}, 154 { "vendor-id", PICL_PTYPE_UNSIGNED_INT}, 155 { "device-id", PICL_PTYPE_UNSIGNED_INT}, 156 { "revision-id", PICL_PTYPE_UNSIGNED_INT}, 157 { "class-code", PICL_PTYPE_UNSIGNED_INT}, 158 { "min-grant", PICL_PTYPE_UNSIGNED_INT}, 159 { "max-latency", PICL_PTYPE_UNSIGNED_INT}, 160 { "devsel-speed", PICL_PTYPE_UNSIGNED_INT}, 161 { "subsystem-id", PICL_PTYPE_UNSIGNED_INT}, 162 { "subsystem-vendor-id", PICL_PTYPE_UNSIGNED_INT}, 163 { "assigned-addresses", PICL_PTYPE_BYTEARRAY}, 164 { "configuration#", PICL_PTYPE_UNSIGNED_INT}, 165 { "assigned-address", PICL_PTYPE_UNSIGNED_INT}, 166 { "#address-cells", PICL_PTYPE_UNSIGNED_INT}, 167 { "#size-cells", PICL_PTYPE_UNSIGNED_INT}, 168 { "clock-frequency", PICL_PTYPE_UNSIGNED_INT}, 169 { "scsi-initiator-id", PICL_PTYPE_UNSIGNED_INT}, 170 { "differential", PICL_PTYPE_UNSIGNED_INT}, 171 { "idprom", PICL_PTYPE_BYTEARRAY}, 172 { "bus-range", PICL_PTYPE_BYTEARRAY}, 173 { "alternate-reg", PICL_PTYPE_BYTEARRAY}, 174 { "power-consumption", PICL_PTYPE_BYTEARRAY}, 175 { "slot-names", PICL_PTYPE_BYTEARRAY}, 176 { "burst-sizes", PICL_PTYPE_UNSIGNED_INT}, 177 { "up-burst-sizes", PICL_PTYPE_UNSIGNED_INT}, 178 { "slot-address-bits", PICL_PTYPE_UNSIGNED_INT}, 179 { "eisa-slots", PICL_PTYPE_BYTEARRAY}, 180 { "dma", PICL_PTYPE_BYTEARRAY}, 181 { "slot-names-index", PICL_PTYPE_UNSIGNED_INT}, 182 { "pnp-csn", PICL_PTYPE_UNSIGNED_INT}, 183 { "pnp-data", PICL_PTYPE_BYTEARRAY}, 184 { "description", PICL_PTYPE_CHARSTRING}, 185 { "pnp-id", PICL_PTYPE_CHARSTRING}, 186 { "max-frame-size", PICL_PTYPE_UNSIGNED_INT}, 187 { "address-bits", PICL_PTYPE_UNSIGNED_INT}, 188 { "local-mac-address", PICL_PTYPE_BYTEARRAY}, 189 { "mac-address", PICL_PTYPE_BYTEARRAY}, 190 { "character-set", PICL_PTYPE_CHARSTRING}, 191 { "available", PICL_PTYPE_BYTEARRAY}, 192 { "port-wwn", PICL_PTYPE_BYTEARRAY}, 193 { "node-wwn", PICL_PTYPE_BYTEARRAY}, 194 { "width", PICL_PTYPE_UNSIGNED_INT}, 195 { "linebytes", PICL_PTYPE_UNSIGNED_INT}, 196 { "height", PICL_PTYPE_UNSIGNED_INT}, 197 { "banner-name", PICL_PTYPE_CHARSTRING}, 198 { "reset-reason", PICL_PTYPE_CHARSTRING}, 199 { "implementation#", PICL_PTYPE_UNSIGNED_INT}, 200 { "version#", PICL_PTYPE_UNSIGNED_INT}, 201 { "icache-size", PICL_PTYPE_UNSIGNED_INT}, 202 { "icache-line-size", PICL_PTYPE_UNSIGNED_INT}, 203 { "icache-associativity", PICL_PTYPE_UNSIGNED_INT}, 204 { "l1-icache-size", PICL_PTYPE_UNSIGNED_INT}, 205 { "l1-icache-line-size", PICL_PTYPE_UNSIGNED_INT}, 206 { "l1-icache-associativity", PICL_PTYPE_UNSIGNED_INT}, 207 { "#itlb-entries", PICL_PTYPE_UNSIGNED_INT}, 208 { "dcache-size", PICL_PTYPE_UNSIGNED_INT}, 209 { "dcache-line-size", PICL_PTYPE_UNSIGNED_INT}, 210 { "dcache-associativity", PICL_PTYPE_UNSIGNED_INT}, 211 { "l1-dcache-size", PICL_PTYPE_UNSIGNED_INT}, 212 { "l1-dcache-line-size", PICL_PTYPE_UNSIGNED_INT}, 213 { "l1-dcache-associativity", PICL_PTYPE_UNSIGNED_INT}, 214 { "#dtlb-entries", PICL_PTYPE_UNSIGNED_INT}, 215 { "ecache-size", PICL_PTYPE_UNSIGNED_INT}, 216 { "ecache-line-size", PICL_PTYPE_UNSIGNED_INT}, 217 { "ecache-associativity", PICL_PTYPE_UNSIGNED_INT}, 218 { "l2-cache-size", PICL_PTYPE_UNSIGNED_INT}, 219 { "l2-cache-line-size", PICL_PTYPE_UNSIGNED_INT}, 220 { "l2-cache-associativity", PICL_PTYPE_UNSIGNED_INT}, 221 { "l2-cache-sharing", PICL_PTYPE_BYTEARRAY}, 222 { "mask#", PICL_PTYPE_UNSIGNED_INT}, 223 { "manufacturer#", PICL_PTYPE_UNSIGNED_INT}, 224 { "sparc-version", PICL_PTYPE_UNSIGNED_INT}, 225 { "version", PICL_PTYPE_CHARSTRING}, 226 { "cpu-model", PICL_PTYPE_UNSIGNED_INT}, 227 { "memory-layout", PICL_PTYPE_BYTEARRAY}, 228 { "#interrupt-cells", PICL_PTYPE_UNSIGNED_INT}, 229 { "interrupt-map", PICL_PTYPE_BYTEARRAY}, 230 { "interrupt-map-mask", PICL_PTYPE_BYTEARRAY} 231 }; 232 233 #define PNAME_MAP_SIZE sizeof (pname_type_map) / sizeof (pname_type_map_t) 234 235 static builtin_map_t *builtin_map_ptr = NULL; 236 static int builtin_map_size = 0; 237 static char mach_name[SYS_NMLN]; 238 static di_prom_handle_t ph = DI_PROM_HANDLE_NIL; 239 static int snapshot_stale; 240 241 /* 242 * UnitAddress mapping table 243 */ 244 static unitaddr_func_t encode_default_unitaddr; 245 static unitaddr_func_t encode_optional_unitaddr; 246 static unitaddr_func_t encode_scsi_unitaddr; 247 static unitaddr_func_t encode_upa_unitaddr; 248 static unitaddr_func_t encode_gptwo_jbus_unitaddr; 249 static unitaddr_func_t encode_pci_unitaddr; 250 251 static unitaddr_map_t unitaddr_map_table[] = { 252 {PICL_CLASS_JBUS, encode_gptwo_jbus_unitaddr, 0}, 253 {PICL_CLASS_GPTWO, encode_gptwo_jbus_unitaddr, 0}, 254 {PICL_CLASS_PCI, encode_pci_unitaddr, 0}, 255 {PICL_CLASS_PCIEX, encode_pci_unitaddr, 0}, 256 {PICL_CLASS_UPA, encode_upa_unitaddr, 0}, 257 {PICL_CLASS_SCSI, encode_scsi_unitaddr, 0}, 258 {PICL_CLASS_SCSI2, encode_scsi_unitaddr, 0}, 259 {PICL_CLASS_EBUS, encode_default_unitaddr, 2}, 260 {PICL_CLASS_SBUS, encode_default_unitaddr, 2}, 261 {PICL_CLASS_I2C, encode_default_unitaddr, 2}, 262 {PICL_CLASS_USB, encode_default_unitaddr, 1}, 263 {PICL_CLASS_PMU, encode_optional_unitaddr, 2}, 264 {NULL, encode_default_unitaddr, 0} 265 }; 266 267 static int add_unitaddr_prop_to_subtree(picl_nodehdl_t nodeh); 268 static int get_unitaddr(picl_nodehdl_t parh, picl_nodehdl_t nodeh, 269 char *unitaddr, size_t ualen); 270 static void set_pci_pciex_deviceid(picl_nodehdl_t plafh); 271 272 /* 273 * The mc event completion handler. 274 * The arguments are event name buffer and a packed nvlist buffer 275 * with the size specifying the size of unpacked nvlist. These 276 * buffers are deallcoated here. 277 * 278 * Also, if a memory controller node is being removed then destroy the 279 * PICL subtree associated with that memory controller. 280 */ 281 static void 282 mc_completion_handler(char *ename, void *earg, size_t size) 283 { 284 picl_nodehdl_t mch; 285 nvlist_t *unpack_nvl; 286 287 if (strcmp(ename, PICLEVENT_MC_REMOVED) == 0 && 288 nvlist_unpack(earg, size, &unpack_nvl, NULL) == 0) { 289 mch = NULL; 290 (void) nvlist_lookup_uint64(unpack_nvl, 291 PICLEVENTARG_NODEHANDLE, &mch); 292 if (mch != NULL) { 293 if (picldevtree_debug) 294 syslog(LOG_INFO, 295 "picldevtree: destroying_node:%llx\n", 296 mch); 297 (void) ptree_destroy_node(mch); 298 } 299 nvlist_free(unpack_nvl); 300 } 301 302 free(ename); 303 free(earg); 304 } 305 306 /* 307 * Functions to post memory controller change event 308 */ 309 static int 310 post_mc_event(char *ename, picl_nodehdl_t mch) 311 { 312 nvlist_t *nvl; 313 size_t nvl_size; 314 char *pack_buf; 315 char *ev_name; 316 317 ev_name = strdup(ename); 318 if (ev_name == NULL) 319 return (-1); 320 321 if (nvlist_alloc(&nvl, NV_UNIQUE_NAME_TYPE, NULL)) { 322 free(ev_name); 323 return (-1); 324 } 325 326 pack_buf = NULL; 327 if (nvlist_add_uint64(nvl, PICLEVENTARG_NODEHANDLE, mch) || 328 nvlist_pack(nvl, &pack_buf, &nvl_size, NV_ENCODE_NATIVE, NULL)) { 329 free(ev_name); 330 nvlist_free(nvl); 331 return (-1); 332 } 333 334 if (picldevtree_debug) 335 syslog(LOG_INFO, 336 "picldevtree: posting MC event ename:%s nodeh:%llx\n", 337 ev_name, mch); 338 if (ptree_post_event(ev_name, pack_buf, nvl_size, 339 mc_completion_handler) != PICL_SUCCESS) { 340 free(ev_name); 341 nvlist_free(nvl); 342 return (-1); 343 } 344 nvlist_free(nvl); 345 return (0); 346 } 347 348 /* 349 * Lookup a name in the name to class map tables 350 */ 351 static int 352 lookup_name_class_map(char *classbuf, const char *nm) 353 { 354 conf_entries_t *ptr; 355 int i; 356 357 /* 358 * check name to class mapping in conf file 359 */ 360 ptr = conf_name_class_map; 361 362 while (ptr != NULL) { 363 if (strcmp(ptr->name, nm) == 0) { 364 (void) strlcpy(classbuf, ptr->piclclass, 365 PICL_CLASSNAMELEN_MAX); 366 return (0); 367 } 368 ptr = ptr->next; 369 } 370 371 /* 372 * check name to class mapping in builtin table 373 */ 374 if (builtin_map_ptr == NULL) 375 return (-1); 376 377 for (i = 0; i < builtin_map_size; ++i) 378 if (strcmp(builtin_map_ptr[i].name, nm) == 0) { 379 (void) strlcpy(classbuf, builtin_map_ptr[i].piclclass, 380 PICL_CLASSNAMELEN_MAX); 381 return (0); 382 } 383 return (-1); 384 } 385 386 /* 387 * Lookup a prop name in the pname to class map table 388 */ 389 static int 390 lookup_pname_type_map(const char *pname, picl_prop_type_t *type) 391 { 392 int i; 393 394 for (i = 0; i < PNAME_MAP_SIZE; ++i) 395 if (strcmp(pname_type_map[i].pname, pname) == 0) { 396 *type = pname_type_map[i].type; 397 return (0); 398 } 399 400 return (-1); 401 } 402 403 /* 404 * Return the number of strings in the buffer 405 */ 406 static int 407 get_string_count(char *strdat, int length) 408 { 409 int count; 410 char *lastnull; 411 char *nullptr; 412 413 count = 1; 414 for (lastnull = &strdat[length - 1], nullptr = strchr(strdat, '\0'); 415 nullptr != lastnull; nullptr = strchr(nullptr+1, '\0')) 416 count++; 417 418 return (count); 419 } 420 421 /* 422 * Return 1 if the node has a "reg" property 423 */ 424 static int 425 has_reg_prop(di_node_t dn) 426 { 427 int *pdata; 428 int dret; 429 430 dret = di_prop_lookup_ints(DDI_DEV_T_ANY, dn, OBP_REG, &pdata); 431 if (dret > 0) 432 return (1); 433 434 if (!ph) 435 return (0); 436 dret = di_prom_prop_lookup_ints(ph, dn, OBP_REG, &pdata); 437 return (dret < 0 ? 0 : 1); 438 } 439 440 /* 441 * This function copies a PROM node's device_type property value into the 442 * buffer given by outbuf. The buffer size is PICL_CLASSNAMELEN_MAX. 443 * 444 * We reclassify device_type 'fru-prom' to PICL class 'seeprom' 445 * for FRUID support. 446 */ 447 static int 448 get_device_type(char *outbuf, di_node_t dn) 449 { 450 char *pdata; 451 char *pdatap; 452 int dret; 453 int i; 454 455 dret = di_prop_lookup_strings(DDI_DEV_T_ANY, dn, OBP_DEVICETYPE, 456 &pdata); 457 if (dret <= 0) { 458 if (!ph) 459 return (-1); 460 461 dret = di_prom_prop_lookup_strings(ph, dn, OBP_DEVICETYPE, 462 &pdata); 463 if (dret <= 0) { 464 return (-1); 465 } 466 } 467 468 if (dret != 1) { 469 /* 470 * multiple strings 471 */ 472 pdatap = pdata; 473 for (i = 0; i < (dret - 1); ++i) { 474 pdatap += strlen(pdatap); 475 *pdatap = '-'; /* replace '\0' with '-' */ 476 pdatap++; 477 } 478 } 479 if (strcasecmp(pdata, "fru-prom") == 0) { 480 /* 481 * Use PICL 'seeprom' class for fru-prom device types 482 */ 483 (void) strlcpy(outbuf, PICL_CLASS_SEEPROM, 484 PICL_CLASSNAMELEN_MAX); 485 } else { 486 (void) strlcpy(outbuf, pdata, PICL_CLASSNAMELEN_MAX); 487 } 488 return (0); 489 } 490 491 /* 492 * Get the minor node name in the class buffer passed 493 */ 494 static int 495 get_minor_class(char *classbuf, di_node_t dn) 496 { 497 di_minor_t mi_node; 498 char *mi_nodetype; 499 char *mi_name; 500 501 /* get minor node type */ 502 mi_node = di_minor_next(dn, DI_MINOR_NIL); 503 if (mi_node == DI_MINOR_NIL) 504 return (-1); 505 506 mi_nodetype = di_minor_nodetype(mi_node); 507 if (mi_nodetype == NULL) { /* no type info, return name */ 508 mi_name = di_minor_name(mi_node); 509 if (mi_name == NULL) 510 return (-1); 511 (void) strlcpy(classbuf, mi_name, PICL_CLASSNAMELEN_MAX); 512 return (0); 513 } 514 515 #define DDI_NODETYPE(x, y) (strncmp(x, y, (sizeof (y) - 1)) == 0) 516 517 /* 518 * convert the string to the picl class for non-peudo nodes 519 */ 520 if (DDI_NODETYPE(mi_nodetype, DDI_PSEUDO)) 521 return (-1); 522 else if (DDI_NODETYPE(mi_nodetype, DDI_NT_BLOCK_WWN)) 523 (void) strcpy(classbuf, PICL_CLASS_BLOCK); 524 else if (DDI_NODETYPE(mi_nodetype, DDI_NT_BLOCK_CHAN)) 525 (void) strcpy(classbuf, PICL_CLASS_BLOCK); 526 else if (DDI_NODETYPE(mi_nodetype, DDI_NT_CD)) 527 (void) strcpy(classbuf, PICL_CLASS_CDROM); 528 else if (DDI_NODETYPE(mi_nodetype, DDI_NT_CD_CHAN)) 529 (void) strcpy(classbuf, PICL_CLASS_CDROM); 530 else if (DDI_NODETYPE(mi_nodetype, DDI_NT_FD)) 531 (void) strcpy(classbuf, PICL_CLASS_FLOPPY); 532 else if (DDI_NODETYPE(mi_nodetype, DDI_NT_BLOCK_FABRIC)) 533 (void) strcpy(classbuf, PICL_CLASS_FABRIC); 534 else if (DDI_NODETYPE(mi_nodetype, DDI_NT_BLOCK_SAS)) 535 (void) strcpy(classbuf, PICL_CLASS_SAS); 536 else if (DDI_NODETYPE(mi_nodetype, DDI_NT_BLOCK)) 537 (void) strcpy(classbuf, PICL_CLASS_BLOCK); 538 else if (DDI_NODETYPE(mi_nodetype, DDI_NT_MOUSE)) 539 (void) strcpy(classbuf, PICL_CLASS_MOUSE); 540 else if (DDI_NODETYPE(mi_nodetype, DDI_NT_KEYBOARD)) 541 (void) strcpy(classbuf, PICL_CLASS_KEYBOARD); 542 else if (DDI_NODETYPE(mi_nodetype, DDI_NT_ATTACHMENT_POINT)) 543 (void) strcpy(classbuf, PICL_CLASS_ATTACHMENT_POINT); 544 else if (DDI_NODETYPE(mi_nodetype, DDI_NT_TAPE)) 545 (void) strcpy(classbuf, PICL_CLASS_TAPE); 546 else if (DDI_NODETYPE(mi_nodetype, DDI_NT_SCSI_ENCLOSURE)) 547 (void) strcpy(classbuf, PICL_CLASS_SCSI); 548 else if (DDI_NODETYPE(mi_nodetype, DDI_NT_ENCLOSURE)) { 549 char *colon; 550 551 if ((colon = strchr(mi_nodetype, ':')) == NULL) 552 return (-1); 553 ++colon; 554 (void) strcpy(classbuf, colon); 555 } else { /* unrecognized type, return name */ 556 mi_name = di_minor_name(mi_node); 557 if (mi_name == NULL) 558 return (-1); 559 (void) strlcpy(classbuf, mi_name, PICL_CLASSNAMELEN_MAX); 560 } 561 return (0); 562 } 563 564 /* 565 * Derive PICL class using the compatible property of the node 566 * We use the map table to map compatible property value to 567 * class. 568 */ 569 static int 570 get_compatible_class(char *outbuf, di_node_t dn) 571 { 572 char *pdata; 573 char *pdatap; 574 int dret; 575 int i; 576 577 dret = di_prop_lookup_strings(DDI_DEV_T_ANY, dn, OBP_COMPATIBLE, 578 &pdata); 579 if (dret <= 0) { 580 if (!ph) 581 return (-1); 582 583 dret = di_prom_prop_lookup_strings(ph, dn, OBP_COMPATIBLE, 584 &pdata); 585 if (dret <= 0) { 586 return (-1); 587 } 588 } 589 590 pdatap = pdata; 591 for (i = 0; i < dret; ++i) { 592 if (lookup_name_class_map(outbuf, pdatap) == 0) 593 return (0); 594 pdatap += strlen(pdatap); 595 pdatap++; 596 } 597 return (-1); 598 } 599 600 /* 601 * For a given device node find the PICL class to use. Returns NULL 602 * for non device node 603 */ 604 static int 605 get_node_class(char *classbuf, di_node_t dn, const char *nodename) 606 { 607 if (get_device_type(classbuf, dn) == 0) { 608 if (di_nodeid(dn) == DI_PROM_NODEID) { 609 /* 610 * discard place holder nodes 611 */ 612 if ((strcmp(classbuf, DEVICE_TYPE_BLOCK) == 0) || 613 (strcmp(classbuf, DEVICE_TYPE_BYTE) == 0) || 614 (strcmp(classbuf, DEVICE_TYPE_SES) == 0) || 615 (strcmp(classbuf, DEVICE_TYPE_FP) == 0) || 616 (strcmp(classbuf, DEVICE_TYPE_DISK) == 0)) 617 return (-1); 618 619 return (0); 620 } 621 return (0); /* return device_type value */ 622 } 623 624 if (get_compatible_class(classbuf, dn) == 0) { 625 return (0); /* derive class using compatible prop */ 626 } 627 628 if (lookup_name_class_map(classbuf, nodename) == 0) 629 return (0); /* derive class using name prop */ 630 631 if (has_reg_prop(dn)) { /* use default obp-device */ 632 (void) strcpy(classbuf, PICL_CLASS_OBP_DEVICE); 633 return (0); 634 } 635 636 return (get_minor_class(classbuf, dn)); 637 } 638 639 /* 640 * Add a table property containing nrows with one column 641 */ 642 static int 643 add_string_list_prop(picl_nodehdl_t nodeh, char *name, char *strlist, 644 unsigned int nrows) 645 { 646 ptree_propinfo_t propinfo; 647 picl_prophdl_t proph; 648 picl_prophdl_t tblh; 649 int err; 650 unsigned int i; 651 unsigned int j; 652 picl_prophdl_t *proprow; 653 int len; 654 655 #define NCOLS_IN_STRING_TABLE 1 656 657 err = ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION, 658 PICL_PTYPE_TABLE, PICL_READ, sizeof (picl_prophdl_t), name, 659 NULL, NULL); 660 if (err != PICL_SUCCESS) 661 return (err); 662 663 err = ptree_create_table(&tblh); 664 if (err != PICL_SUCCESS) 665 return (err); 666 667 err = ptree_create_and_add_prop(nodeh, &propinfo, &tblh, &proph); 668 if (err != PICL_SUCCESS) 669 return (err); 670 671 proprow = alloca(sizeof (picl_prophdl_t) * nrows); 672 if (proprow == NULL) { 673 (void) ptree_destroy_prop(proph); 674 return (PICL_FAILURE); 675 } 676 677 for (j = 0; j < nrows; ++j) { 678 len = strlen(strlist) + 1; 679 err = ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION, 680 PICL_PTYPE_CHARSTRING, PICL_READ, len, name, 681 NULL, NULL); 682 if (err != PICL_SUCCESS) 683 break; 684 err = ptree_create_prop(&propinfo, strlist, &proprow[j]); 685 if (err != PICL_SUCCESS) 686 break; 687 strlist += len; 688 err = ptree_add_row_to_table(tblh, NCOLS_IN_STRING_TABLE, 689 &proprow[j]); 690 if (err != PICL_SUCCESS) 691 break; 692 } 693 694 if (err != PICL_SUCCESS) { 695 for (i = 0; i < j; ++i) 696 (void) ptree_destroy_prop(proprow[i]); 697 (void) ptree_delete_prop(proph); 698 (void) ptree_destroy_prop(proph); 699 return (err); 700 } 701 702 return (PICL_SUCCESS); 703 } 704 705 /* 706 * return 1 if this node has this property with the given value 707 */ 708 static int 709 compare_string_propval(picl_nodehdl_t nodeh, const char *pname, 710 const char *pval) 711 { 712 char *pvalbuf; 713 int err; 714 int len; 715 ptree_propinfo_t pinfo; 716 picl_prophdl_t proph; 717 718 err = ptree_get_prop_by_name(nodeh, pname, &proph); 719 if (err != PICL_SUCCESS) /* prop doesn't exist */ 720 return (0); 721 722 err = ptree_get_propinfo(proph, &pinfo); 723 if (pinfo.piclinfo.type != PICL_PTYPE_CHARSTRING) 724 return (0); /* not string prop */ 725 726 len = strlen(pval) + 1; 727 728 pvalbuf = alloca(len); 729 if (pvalbuf == NULL) 730 return (0); 731 732 err = ptree_get_propval(proph, pvalbuf, len); 733 if ((err == PICL_SUCCESS) && (strcmp(pvalbuf, pval) == 0)) 734 return (1); /* prop match */ 735 736 return (0); 737 } 738 739 /* 740 * This function recursively searches the tree for a node that has 741 * the specified string property name and value 742 */ 743 static int 744 find_node_by_string_prop(picl_nodehdl_t rooth, const char *pname, 745 const char *pval, picl_nodehdl_t *nodeh) 746 { 747 picl_nodehdl_t childh; 748 int err; 749 750 for (err = ptree_get_propval_by_name(rooth, PICL_PROP_CHILD, &childh, 751 sizeof (picl_nodehdl_t)); err != PICL_PROPNOTFOUND; 752 err = ptree_get_propval_by_name(childh, PICL_PROP_PEER, &childh, 753 sizeof (picl_nodehdl_t))) { 754 if (err != PICL_SUCCESS) 755 return (err); 756 757 if (compare_string_propval(childh, pname, pval)) { 758 *nodeh = childh; 759 return (PICL_SUCCESS); 760 } 761 762 if (find_node_by_string_prop(childh, pname, pval, nodeh) == 763 PICL_SUCCESS) 764 return (PICL_SUCCESS); 765 } 766 767 return (PICL_FAILURE); 768 } 769 770 /* 771 * check if this is a string prop 772 * If the length is less than or equal to 4, assume it's not a string list. 773 * If there is any non-ascii or non-print char, it's not a string prop 774 * If \0 is in the first char or any two consecutive \0's exist, 775 * it's a bytearray prop. 776 * Return value: 0 means it's not a string prop, 1 means it's a string prop 777 */ 778 static int 779 is_string_propval(unsigned char *pdata, int len) 780 { 781 int i; 782 int lastindex; 783 int prevnull = -1; 784 785 switch (len) { 786 case 1: 787 if (!isascii(pdata[0]) || !isprint(pdata[0])) 788 return (0); 789 return (1); 790 case 2: 791 case 3: 792 case 4: 793 lastindex = len; 794 if (pdata[len-1] == '\0') 795 lastindex = len - 1; 796 797 for (i = 0; i < lastindex; i++) 798 if (!isascii(pdata[i]) || !isprint(pdata[i])) 799 return (0); 800 801 return (1); 802 803 default: 804 if (len <= 0) 805 return (0); 806 for (i = 0; i < len; i++) { 807 if (!isascii(pdata[i]) || !isprint(pdata[i])) { 808 if (pdata[i] != '\0') 809 return (0); 810 /* 811 * if the null char is in the first char 812 * or two consecutive nulls' exist, 813 * it's a bytearray prop 814 */ 815 if ((i == 0) || ((i - prevnull) == 1)) 816 return (0); 817 818 prevnull = i; 819 } 820 } 821 break; 822 } 823 824 return (1); 825 } 826 827 /* 828 * This function counts the number of strings in the value buffer pdata 829 * and creates a property. 830 * If there is only one string in the buffer, pdata, a charstring property 831 * type is created and added. 832 * If there are more than one string in the buffer, pdata, then a table 833 * of charstrings is added. 834 */ 835 static int 836 process_charstring_data(picl_nodehdl_t nodeh, char *pname, unsigned char *pdata, 837 int retval) 838 { 839 int err; 840 int strcount; 841 char *strdat; 842 ptree_propinfo_t propinfo; 843 844 /* 845 * append the null char at the end of string when there is 846 * no null terminator 847 */ 848 if (pdata[retval - 1] != '\0') { 849 strdat = alloca(retval + 1); 850 (void) memcpy(strdat, pdata, retval); 851 strdat[retval] = '\0'; 852 retval++; 853 } else { 854 strdat = alloca(retval); 855 (void) memcpy(strdat, pdata, retval); 856 } 857 858 /* 859 * If it's a string list, create a table prop 860 */ 861 strcount = get_string_count(strdat, retval); 862 if (strcount > 1) { 863 err = add_string_list_prop(nodeh, pname, 864 strdat, strcount); 865 if (err != PICL_SUCCESS) 866 return (err); 867 } else { 868 err = ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION, 869 PICL_PTYPE_CHARSTRING, PICL_READ, 870 strlen(strdat) + 1, pname, NULL, 871 NULL); 872 if (err != PICL_SUCCESS) 873 return (err); 874 (void) ptree_create_and_add_prop(nodeh, &propinfo, 875 strdat, NULL); 876 } 877 return (PICL_SUCCESS); 878 } 879 880 /* 881 * Add the OBP properties as properties of the PICL node 882 */ 883 static int 884 add_openprom_props(picl_nodehdl_t nodeh, di_node_t di_node) 885 { 886 di_prom_prop_t promp; 887 char *pname; 888 unsigned char *pdata; 889 int retval; 890 ptree_propinfo_t propinfo; 891 int err; 892 picl_prop_type_t type; 893 894 if (!ph) 895 return (PICL_FAILURE); 896 897 for (promp = di_prom_prop_next(ph, di_node, DI_PROM_PROP_NIL); 898 promp != DI_PROM_PROP_NIL; 899 promp = di_prom_prop_next(ph, di_node, promp)) { 900 901 pname = di_prom_prop_name(promp); 902 903 retval = di_prom_prop_data(promp, &pdata); 904 if (retval < 0) { 905 return (PICL_SUCCESS); 906 } 907 if (retval == 0) { 908 err = ptree_init_propinfo(&propinfo, 909 PTREE_PROPINFO_VERSION, PICL_PTYPE_VOID, 910 PICL_READ, (size_t)0, pname, NULL, NULL); 911 if (err != PICL_SUCCESS) { 912 return (err); 913 } 914 (void) ptree_create_and_add_prop(nodeh, &propinfo, NULL, 915 NULL); 916 continue; 917 } 918 919 /* 920 * Get the prop type from pname map table 921 */ 922 if (lookup_pname_type_map(pname, &type) == 0) { 923 if (type == PICL_PTYPE_CHARSTRING) { 924 err = process_charstring_data(nodeh, pname, 925 pdata, retval); 926 if (err != PICL_SUCCESS) { 927 return (err); 928 } 929 continue; 930 } 931 932 err = ptree_init_propinfo(&propinfo, 933 PTREE_PROPINFO_VERSION, type, PICL_READ, 934 retval, pname, NULL, NULL); 935 if (err != PICL_SUCCESS) { 936 return (err); 937 } 938 (void) ptree_create_and_add_prop(nodeh, &propinfo, 939 pdata, NULL); 940 } else if (!is_string_propval(pdata, retval)) { 941 switch (retval) { 942 case sizeof (uint8_t): 943 /*FALLTHROUGH*/ 944 case sizeof (uint16_t): 945 /*FALLTHROUGH*/ 946 case sizeof (uint32_t): 947 type = PICL_PTYPE_UNSIGNED_INT; 948 break; 949 default: 950 type = PICL_PTYPE_BYTEARRAY; 951 break; 952 } 953 err = ptree_init_propinfo(&propinfo, 954 PTREE_PROPINFO_VERSION, type, PICL_READ, 955 retval, pname, NULL, NULL); 956 if (err != PICL_SUCCESS) { 957 return (err); 958 } 959 (void) ptree_create_and_add_prop(nodeh, &propinfo, 960 pdata, NULL); 961 } else { 962 err = process_charstring_data(nodeh, pname, pdata, 963 retval); 964 if (err != PICL_SUCCESS) { 965 return (err); 966 } 967 } 968 } 969 970 return (PICL_SUCCESS); 971 } 972 973 static void 974 add_boolean_prop(picl_nodehdl_t nodeh, ptree_propinfo_t propinfo, char *di_val) 975 { 976 (void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION, 977 PICL_PTYPE_VOID, PICL_READ, (size_t)0, di_val, NULL, NULL); 978 (void) ptree_create_and_add_prop(nodeh, &propinfo, NULL, NULL); 979 } 980 981 static void 982 add_uints_prop(picl_nodehdl_t nodeh, ptree_propinfo_t propinfo, char *di_val, 983 int *idata, int len) 984 { 985 if (len == 1) 986 (void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION, 987 PICL_PTYPE_UNSIGNED_INT, PICL_READ, sizeof (int), di_val, 988 NULL, NULL); 989 else 990 (void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION, 991 PICL_PTYPE_BYTEARRAY, PICL_READ, len * sizeof (int), di_val, 992 NULL, NULL); 993 994 (void) ptree_create_and_add_prop(nodeh, &propinfo, idata, NULL); 995 } 996 997 static void 998 add_strings_prop(picl_nodehdl_t nodeh, ptree_propinfo_t propinfo, char *di_val, 999 char *sdata, int len) 1000 { 1001 if (len == 1) { 1002 (void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION, 1003 PICL_PTYPE_CHARSTRING, PICL_READ, strlen(sdata) + 1, di_val, 1004 NULL, NULL); 1005 (void) ptree_create_and_add_prop(nodeh, &propinfo, sdata, NULL); 1006 } else { 1007 (void) add_string_list_prop(nodeh, di_val, sdata, len); 1008 } 1009 } 1010 1011 static void 1012 add_bytes_prop(picl_nodehdl_t nodeh, ptree_propinfo_t propinfo, char *di_val, 1013 unsigned char *bdata, int len) 1014 { 1015 (void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION, 1016 PICL_PTYPE_BYTEARRAY, PICL_READ, len, di_val, NULL, NULL); 1017 (void) ptree_create_and_add_prop(nodeh, &propinfo, bdata, NULL); 1018 } 1019 1020 static const char * 1021 path_state_name(di_path_state_t st) 1022 { 1023 switch (st) { 1024 case DI_PATH_STATE_ONLINE: 1025 return ("online"); 1026 case DI_PATH_STATE_STANDBY: 1027 return ("standby"); 1028 case DI_PATH_STATE_OFFLINE: 1029 return ("offline"); 1030 case DI_PATH_STATE_FAULT: 1031 return ("faulted"); 1032 } 1033 return ("unknown"); 1034 } 1035 1036 /* 1037 * This function is the volatile property handler for the multipath node 1038 * "State" property. It must locate the associated devinfo node in order to 1039 * determine the current state. Since the devinfo node can have multiple 1040 * paths the devfs_path is used to locate the correct path. 1041 */ 1042 static int 1043 get_path_state_name(ptree_rarg_t *rarg, void *vbuf) 1044 { 1045 int err; 1046 picl_nodehdl_t parh; 1047 char devfs_path[PATH_MAX]; 1048 di_node_t di_node; 1049 di_node_t di_root; 1050 di_path_t pi = DI_PATH_NIL; 1051 picl_nodehdl_t mpnode; 1052 1053 (void) strlcpy(vbuf, "unknown", MAX_STATE_SIZE); 1054 1055 mpnode = rarg->nodeh; 1056 1057 /* 1058 * The parent node represents the vHCI. 1059 */ 1060 err = ptree_get_propval_by_name(mpnode, PICL_PROP_PARENT, &parh, 1061 sizeof (picl_nodehdl_t)); 1062 if (err != PICL_SUCCESS) { 1063 return (PICL_SUCCESS); 1064 } 1065 1066 /* 1067 * The PICL_PROP_DEVFS_PATH property will be used to locate the 1068 * devinfo node for the vHCI driver. 1069 */ 1070 err = ptree_get_propval_by_name(parh, PICL_PROP_DEVFS_PATH, devfs_path, 1071 sizeof (devfs_path)); 1072 if (err != PICL_SUCCESS) { 1073 return (PICL_SUCCESS); 1074 } 1075 /* 1076 * Find the di_node for the vHCI driver. It will be used to scan 1077 * the path information nodes. 1078 */ 1079 di_root = di_init("/", DINFOCACHE); 1080 if (di_root == DI_NODE_NIL) { 1081 return (PICL_SUCCESS); 1082 } 1083 di_node = di_lookup_node(di_root, devfs_path); 1084 if (di_node == DI_NODE_NIL) { 1085 di_fini(di_root); 1086 return (PICL_SUCCESS); 1087 } 1088 1089 /* 1090 * The devfs_path will be used below to match the 1091 * proper path information node. 1092 */ 1093 err = ptree_get_propval_by_name(mpnode, PICL_PROP_DEVFS_PATH, 1094 devfs_path, sizeof (devfs_path)); 1095 if (err != PICL_SUCCESS) { 1096 di_fini(di_root); 1097 return (PICL_SUCCESS); 1098 } 1099 1100 /* 1101 * Scan the path information nodes looking for the matching devfs 1102 * path. When found obtain the state information. 1103 */ 1104 while ((pi = di_path_next_phci(di_node, pi)) != DI_PATH_NIL) { 1105 char *di_path; 1106 di_node_t phci_node = di_path_phci_node(pi); 1107 1108 if (phci_node == DI_PATH_NIL) 1109 continue; 1110 1111 di_path = di_devfs_path(phci_node); 1112 if (di_path) { 1113 if (strcmp(di_path, devfs_path) != 0) { 1114 di_devfs_path_free(di_path); 1115 continue; 1116 } 1117 (void) strlcpy(vbuf, path_state_name(di_path_state(pi)), 1118 MAX_STATE_SIZE); 1119 di_devfs_path_free(di_path); 1120 break; 1121 } 1122 } 1123 1124 di_fini(di_root); 1125 return (PICL_SUCCESS); 1126 } 1127 1128 static void 1129 add_di_path_prop(picl_nodehdl_t nodeh, di_path_prop_t di_path_prop) 1130 { 1131 int di_ptype; 1132 char *di_val; 1133 ptree_propinfo_t propinfo; 1134 int *idata; 1135 char *sdata; 1136 unsigned char *bdata; 1137 int len; 1138 1139 di_ptype = di_path_prop_type(di_path_prop); 1140 di_val = di_path_prop_name(di_path_prop); 1141 1142 switch (di_ptype) { 1143 case DI_PROP_TYPE_BOOLEAN: 1144 add_boolean_prop(nodeh, propinfo, di_val); 1145 break; 1146 case DI_PROP_TYPE_INT: 1147 case DI_PROP_TYPE_INT64: 1148 len = di_path_prop_ints(di_path_prop, &idata); 1149 if (len < 0) 1150 /* Received error, so ignore prop */ 1151 break; 1152 add_uints_prop(nodeh, propinfo, di_val, idata, len); 1153 break; 1154 case DI_PROP_TYPE_STRING: 1155 len = di_path_prop_strings(di_path_prop, &sdata); 1156 if (len <= 0) 1157 break; 1158 add_strings_prop(nodeh, propinfo, di_val, sdata, len); 1159 break; 1160 case DI_PROP_TYPE_BYTE: 1161 len = di_path_prop_bytes(di_path_prop, &bdata); 1162 if (len < 0) 1163 break; 1164 add_bytes_prop(nodeh, propinfo, di_val, bdata, len); 1165 break; 1166 case DI_PROP_TYPE_UNKNOWN: 1167 /* 1168 * Unknown type, we'll try and guess what it should be. 1169 */ 1170 len = di_path_prop_strings(di_path_prop, &sdata); 1171 if ((len > 0) && (sdata[0] != 0)) { 1172 add_strings_prop(nodeh, propinfo, di_val, sdata, 1173 len); 1174 break; 1175 } 1176 len = di_path_prop_ints(di_path_prop, &idata); 1177 if (len > 0) { 1178 add_uints_prop(nodeh, propinfo, di_val, 1179 idata, len); 1180 break; 1181 } 1182 len = di_path_prop_bytes(di_path_prop, &bdata); 1183 if (len > 0) 1184 add_bytes_prop(nodeh, propinfo, 1185 di_val, bdata, len); 1186 else if (len == 0) 1187 add_boolean_prop(nodeh, propinfo, 1188 di_val); 1189 break; 1190 case DI_PROP_TYPE_UNDEF_IT: 1191 break; 1192 default: 1193 break; 1194 } 1195 } 1196 1197 /* 1198 * Add nodes for path information (PSARC/1999/647, PSARC/2008/437) 1199 */ 1200 static void 1201 construct_mpath_node(picl_nodehdl_t parh, di_node_t di_node) 1202 { 1203 di_path_t pi = DI_PATH_NIL; 1204 1205 while ((pi = di_path_next_phci(di_node, pi)) != DI_PATH_NIL) { 1206 di_node_t phci_node = di_path_phci_node(pi); 1207 di_path_prop_t di_path_prop; 1208 picl_nodehdl_t nodeh; 1209 ptree_propinfo_t propinfo; 1210 int err; 1211 int instance; 1212 char *di_val; 1213 1214 if (phci_node == DI_PATH_NIL) 1215 continue; 1216 1217 err = ptree_create_and_add_node(parh, PICL_CLASS_MULTIPATH, 1218 PICL_CLASS_MULTIPATH, &nodeh); 1219 if (err != PICL_SUCCESS) 1220 continue; 1221 1222 instance = di_instance(phci_node); 1223 (void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION, 1224 PICL_PTYPE_INT, PICL_READ, sizeof (instance), 1225 PICL_PROP_INSTANCE, NULL, NULL); 1226 (void) ptree_create_and_add_prop(nodeh, &propinfo, &instance, 1227 NULL); 1228 1229 di_val = di_devfs_path(phci_node); 1230 if (di_val) { 1231 (void) ptree_init_propinfo(&propinfo, 1232 PTREE_PROPINFO_VERSION, 1233 PICL_PTYPE_CHARSTRING, PICL_READ, 1234 strlen(di_val) + 1, PICL_PROP_DEVFS_PATH, 1235 NULL, NULL); 1236 (void) ptree_create_and_add_prop(nodeh, 1237 &propinfo, di_val, NULL); 1238 di_devfs_path_free(di_val); 1239 } 1240 1241 (void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION, 1242 PICL_PTYPE_CHARSTRING, (PICL_READ|PICL_VOLATILE), 1243 MAX_STATE_SIZE, PICL_PROP_STATE, get_path_state_name, NULL); 1244 (void) ptree_create_and_add_prop(nodeh, &propinfo, NULL, NULL); 1245 1246 for (di_path_prop = di_path_prop_next(pi, DI_PROP_NIL); 1247 di_path_prop != DI_PROP_NIL; 1248 di_path_prop = di_path_prop_next(pi, di_path_prop)) { 1249 add_di_path_prop(nodeh, di_path_prop); 1250 } 1251 } 1252 } 1253 1254 /* 1255 * Add properties provided by libdevinfo 1256 */ 1257 static void 1258 add_devinfo_props(picl_nodehdl_t nodeh, di_node_t di_node) 1259 { 1260 int instance; 1261 char *di_val; 1262 di_prop_t di_prop; 1263 int di_ptype; 1264 ptree_propinfo_t propinfo; 1265 char *sdata; 1266 unsigned char *bdata; 1267 int *idata; 1268 int len; 1269 1270 instance = di_instance(di_node); 1271 (void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION, 1272 PICL_PTYPE_INT, PICL_READ, sizeof (instance), PICL_PROP_INSTANCE, 1273 NULL, NULL); 1274 (void) ptree_create_and_add_prop(nodeh, &propinfo, &instance, NULL); 1275 1276 di_val = di_bus_addr(di_node); 1277 if (di_val) { 1278 (void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION, 1279 PICL_PTYPE_CHARSTRING, PICL_READ, strlen(di_val) + 1, 1280 PICL_PROP_BUS_ADDR, NULL, NULL); 1281 (void) ptree_create_and_add_prop(nodeh, &propinfo, di_val, 1282 NULL); 1283 } 1284 1285 di_val = di_binding_name(di_node); 1286 if (di_val) { 1287 (void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION, 1288 PICL_PTYPE_CHARSTRING, PICL_READ, strlen(di_val) + 1, 1289 PICL_PROP_BINDING_NAME, NULL, NULL); 1290 (void) ptree_create_and_add_prop(nodeh, &propinfo, di_val, 1291 NULL); 1292 } 1293 1294 di_val = di_driver_name(di_node); 1295 if (di_val) { 1296 (void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION, 1297 PICL_PTYPE_CHARSTRING, PICL_READ, strlen(di_val) + 1, 1298 PICL_PROP_DRIVER_NAME, NULL, NULL); 1299 (void) ptree_create_and_add_prop(nodeh, &propinfo, di_val, 1300 NULL); 1301 } 1302 1303 di_val = di_devfs_path(di_node); 1304 if (di_val) { 1305 (void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION, 1306 PICL_PTYPE_CHARSTRING, PICL_READ, strlen(di_val) + 1, 1307 PICL_PROP_DEVFS_PATH, NULL, NULL); 1308 (void) ptree_create_and_add_prop(nodeh, &propinfo, di_val, 1309 NULL); 1310 di_devfs_path_free(di_val); 1311 } 1312 1313 for (di_prop = di_prop_next(di_node, DI_PROP_NIL); 1314 di_prop != DI_PROP_NIL; 1315 di_prop = di_prop_next(di_node, di_prop)) { 1316 1317 di_val = di_prop_name(di_prop); 1318 di_ptype = di_prop_type(di_prop); 1319 1320 switch (di_ptype) { 1321 case DI_PROP_TYPE_BOOLEAN: 1322 add_boolean_prop(nodeh, propinfo, di_val); 1323 break; 1324 case DI_PROP_TYPE_INT: 1325 len = di_prop_ints(di_prop, &idata); 1326 if (len < 0) 1327 /* Received error, so ignore prop */ 1328 break; 1329 add_uints_prop(nodeh, propinfo, di_val, idata, len); 1330 break; 1331 case DI_PROP_TYPE_STRING: 1332 len = di_prop_strings(di_prop, &sdata); 1333 if (len < 0) 1334 break; 1335 add_strings_prop(nodeh, propinfo, di_val, sdata, len); 1336 break; 1337 case DI_PROP_TYPE_BYTE: 1338 len = di_prop_bytes(di_prop, &bdata); 1339 if (len < 0) 1340 break; 1341 add_bytes_prop(nodeh, propinfo, di_val, bdata, len); 1342 break; 1343 case DI_PROP_TYPE_UNKNOWN: 1344 /* 1345 * Unknown type, we'll try and guess what it should be. 1346 */ 1347 len = di_prop_strings(di_prop, &sdata); 1348 if ((len > 0) && (sdata[0] != 0)) { 1349 add_strings_prop(nodeh, propinfo, di_val, sdata, 1350 len); 1351 break; 1352 } 1353 len = di_prop_ints(di_prop, &idata); 1354 if (len > 0) { 1355 add_uints_prop(nodeh, propinfo, di_val, 1356 idata, len); 1357 break; 1358 } 1359 len = di_prop_rawdata(di_prop, &bdata); 1360 if (len > 0) 1361 add_bytes_prop(nodeh, propinfo, 1362 di_val, bdata, len); 1363 else if (len == 0) 1364 add_boolean_prop(nodeh, propinfo, 1365 di_val); 1366 break; 1367 case DI_PROP_TYPE_UNDEF_IT: 1368 break; 1369 default: 1370 break; 1371 } 1372 } 1373 } 1374 1375 /* 1376 * This function creates the /obp node in the PICL tree for OBP nodes 1377 * without a device type class. 1378 */ 1379 static int 1380 construct_picl_openprom(picl_nodehdl_t rooth, picl_nodehdl_t *obph) 1381 { 1382 picl_nodehdl_t tmph; 1383 int err; 1384 1385 err = ptree_create_and_add_node(rooth, PICL_NODE_OBP, 1386 PICL_CLASS_PICL, &tmph); 1387 1388 if (err != PICL_SUCCESS) 1389 return (err); 1390 *obph = tmph; 1391 return (PICL_SUCCESS); 1392 } 1393 1394 /* 1395 * This function creates the /platform node in the PICL tree and 1396 * its properties. It sets the "platform-name" property to the 1397 * platform name 1398 */ 1399 static int 1400 construct_picl_platform(picl_nodehdl_t rooth, di_node_t di_root, 1401 picl_nodehdl_t *piclh) 1402 { 1403 int err; 1404 picl_nodehdl_t plafh; 1405 char *nodename; 1406 char nodeclass[PICL_CLASSNAMELEN_MAX]; 1407 ptree_propinfo_t propinfo; 1408 picl_prophdl_t proph; 1409 1410 nodename = di_node_name(di_root); 1411 if (nodename == NULL) 1412 return (PICL_FAILURE); 1413 1414 err = 0; 1415 if (di_nodeid(di_root) == DI_PROM_NODEID || 1416 di_nodeid(di_root) == DI_SID_NODEID) 1417 err = get_device_type(nodeclass, di_root); 1418 1419 if (err < 0) 1420 (void) strcpy(nodeclass, PICL_CLASS_UPA); /* default */ 1421 1422 err = ptree_create_and_add_node(rooth, PICL_NODE_PLATFORM, 1423 nodeclass, &plafh); 1424 if (err != PICL_SUCCESS) 1425 return (err); 1426 1427 (void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION, 1428 PICL_PTYPE_CHARSTRING, PICL_READ, strlen(nodename) + 1, 1429 PICL_PROP_PLATFORM_NAME, NULL, NULL); 1430 err = ptree_create_and_add_prop(plafh, &propinfo, nodename, &proph); 1431 if (err != PICL_SUCCESS) 1432 return (err); 1433 1434 (void) add_devinfo_props(plafh, di_root); 1435 1436 (void) add_openprom_props(plafh, di_root); 1437 1438 *piclh = plafh; 1439 1440 return (PICL_SUCCESS); 1441 } 1442 1443 /* 1444 * This function creates a node in /obp tree for the libdevinfo handle. 1445 */ 1446 static int 1447 construct_obp_node(picl_nodehdl_t parh, di_node_t dn, picl_nodehdl_t *chdh) 1448 { 1449 int err; 1450 char *nodename; 1451 char nodeclass[PICL_CLASSNAMELEN_MAX]; 1452 picl_nodehdl_t anodeh; 1453 1454 nodename = di_node_name(dn); /* PICL_PROP_NAME */ 1455 if (nodename == NULL) 1456 return (PICL_FAILURE); 1457 1458 if (strcmp(nodename, "pseudo") == 0) 1459 return (PICL_FAILURE); 1460 1461 if ((di_nodeid(dn) == DI_PROM_NODEID) && 1462 (get_device_type(nodeclass, dn) == 0)) 1463 return (PICL_FAILURE); 1464 1465 err = ptree_create_and_add_node(parh, nodename, nodename, &anodeh); 1466 if (err != PICL_SUCCESS) 1467 return (err); 1468 1469 add_devinfo_props(anodeh, dn); 1470 1471 (void) add_openprom_props(anodeh, dn); 1472 1473 *chdh = anodeh; 1474 1475 return (PICL_SUCCESS); 1476 } 1477 1478 /* 1479 * This function creates a PICL node in /platform tree for a device 1480 */ 1481 static int 1482 construct_devtype_node(picl_nodehdl_t parh, char *nodename, 1483 char *nodeclass, di_node_t dn, picl_nodehdl_t *chdh) 1484 { 1485 int err; 1486 picl_nodehdl_t anodeh; 1487 1488 err = ptree_create_and_add_node(parh, nodename, nodeclass, &anodeh); 1489 if (err != PICL_SUCCESS) 1490 return (err); 1491 1492 (void) add_devinfo_props(anodeh, dn); 1493 (void) add_openprom_props(anodeh, dn); 1494 construct_mpath_node(anodeh, dn); 1495 1496 *chdh = anodeh; 1497 return (err); 1498 } 1499 1500 /* 1501 * Create a subtree of "picl" class nodes in /obp for these nodes 1502 */ 1503 static int 1504 construct_openprom_tree(picl_nodehdl_t nodeh, di_node_t dinode) 1505 { 1506 di_node_t cnode; 1507 picl_nodehdl_t chdh; 1508 int err; 1509 1510 err = construct_obp_node(nodeh, dinode, &chdh); 1511 if (err != PICL_SUCCESS) 1512 return (err); 1513 1514 for (cnode = di_child_node(dinode); cnode != DI_NODE_NIL; 1515 cnode = di_sibling_node(cnode)) 1516 (void) construct_openprom_tree(chdh, cnode); 1517 1518 return (PICL_SUCCESS); 1519 1520 } 1521 1522 /* 1523 * Process the libdevinfo device tree and create nodes in /platform or /obp 1524 * PICL tree. 1525 * 1526 * This routine traverses the immediate children of "dinode" device and 1527 * determines the node class for that child. If it finds a valid class 1528 * name, then it builds a PICL node under /platform subtree and calls itself 1529 * recursively to construct the subtree for that child node. Otherwise, if 1530 * the parent_class is NULL, then it constructs a node and subtree under /obp 1531 * subtree. 1532 * 1533 * Note that we skip the children nodes that don't have a valid class name 1534 * and the parent_class is non NULL to prevent creation of any placeholder 1535 * nodes (such as sd,...). 1536 */ 1537 static int 1538 construct_devinfo_tree(picl_nodehdl_t plafh, picl_nodehdl_t obph, 1539 di_node_t dinode, char *parent_class) 1540 { 1541 di_node_t cnode; 1542 picl_nodehdl_t chdh; 1543 char nodeclass[PICL_CLASSNAMELEN_MAX]; 1544 char *nodename; 1545 int err; 1546 1547 err = PICL_SUCCESS; 1548 for (cnode = di_child_node(dinode); cnode != DI_NODE_NIL; 1549 cnode = di_sibling_node(cnode)) { 1550 nodename = di_node_name(cnode); /* PICL_PROP_NAME */ 1551 if (nodename == NULL) 1552 continue; 1553 1554 err = get_node_class(nodeclass, cnode, nodename); 1555 1556 if (err == 0) { 1557 err = construct_devtype_node(plafh, nodename, 1558 nodeclass, cnode, &chdh); 1559 if (err != PICL_SUCCESS) 1560 return (err); 1561 err = construct_devinfo_tree(chdh, obph, cnode, 1562 nodeclass); 1563 } else if (parent_class == NULL) 1564 err = construct_openprom_tree(obph, cnode); 1565 else 1566 continue; 1567 /* 1568 * if parent_class is non NULL, skip the children nodes 1569 * that don't have a valid device class - eliminates 1570 * placeholder nodes (sd,...) from being created. 1571 */ 1572 } 1573 1574 return (err); 1575 1576 } 1577 1578 /* 1579 * This function is called from the event handler called from the daemon 1580 * on PICL events. 1581 * 1582 * This routine traverses the children of the "dinode" device and 1583 * creates a PICL node for each child not found in the PICL tree and 1584 * invokes itself recursively to create a subtree for the newly created 1585 * child node. It also checks if the node being created is a meory 1586 * controller. If so, it posts PICLEVENT_MC_ADDED PICL event to the PICL 1587 * framework. 1588 */ 1589 static int 1590 update_subtree(picl_nodehdl_t nodeh, di_node_t dinode) 1591 { 1592 di_node_t cnode; 1593 picl_nodehdl_t chdh; 1594 picl_nodehdl_t nh; 1595 char *nodename; 1596 char nodeclass[PICL_CLASSNAMELEN_MAX]; 1597 char *path_buf; 1598 char buf[MAX_UNIT_ADDRESS_LEN]; 1599 char unitaddr[MAX_UNIT_ADDRESS_LEN]; 1600 char path_w_ua[MAXPATHLEN]; 1601 char path_wo_ua[MAXPATHLEN]; 1602 char *strp; 1603 int gotit; 1604 int err; 1605 1606 for (cnode = di_child_node(dinode); cnode != DI_NODE_NIL; 1607 cnode = di_sibling_node(cnode)) { 1608 path_buf = di_devfs_path(cnode); 1609 if (path_buf == NULL) 1610 continue; 1611 1612 nodename = di_node_name(cnode); 1613 if (nodename == NULL) { 1614 di_devfs_path_free(path_buf); 1615 continue; 1616 } 1617 1618 err = get_node_class(nodeclass, cnode, nodename); 1619 1620 if (err < 0) { 1621 di_devfs_path_free(path_buf); 1622 continue; 1623 } 1624 1625 /* 1626 * this is quite complicated - both path_buf and any nodes 1627 * already in the picl tree may, or may not, have the 1628 * @<unit_addr> at the end of their names. So we must 1629 * take path_buf and work out what the device path would 1630 * be both with and without the unit_address, then search 1631 * the picl tree for both forms. 1632 */ 1633 if (((strp = strrchr(path_buf, '/')) != NULL) && 1634 strchr(strp, '@') == NULL) { 1635 /* 1636 * This is an unattached node - so the path is not 1637 * unique. Need to find out which node it is. 1638 * Find the unit_address from the OBP or devinfo 1639 * properties. 1640 */ 1641 err = ptree_create_node(nodename, nodeclass, &chdh); 1642 if (err != PICL_SUCCESS) 1643 return (err); 1644 1645 (void) add_devinfo_props(chdh, cnode); 1646 (void) add_openprom_props(chdh, cnode); 1647 1648 err = get_unitaddr(nodeh, chdh, unitaddr, 1649 sizeof (unitaddr)); 1650 if (err != PICL_SUCCESS) 1651 return (err); 1652 (void) ptree_destroy_node(chdh); 1653 (void) snprintf(path_w_ua, sizeof (path_w_ua), "%s@%s", 1654 path_buf, unitaddr); 1655 (void) snprintf(path_wo_ua, sizeof (path_wo_ua), "%s", 1656 path_buf); 1657 } else { 1658 /* 1659 * this is an attached node - so the path is unique 1660 */ 1661 (void) snprintf(path_w_ua, sizeof (path_w_ua), "%s", 1662 path_buf); 1663 (void) snprintf(path_wo_ua, sizeof (path_wo_ua), "%s", 1664 path_buf); 1665 strp = strrchr(path_wo_ua, '@'); 1666 *strp++ = '\0'; 1667 (void) snprintf(unitaddr, sizeof (unitaddr), "%s", 1668 strp); 1669 } 1670 /* 1671 * first look for node with unit address in devfs_path 1672 */ 1673 if (ptree_find_node(nodeh, PICL_PROP_DEVFS_PATH, 1674 PICL_PTYPE_CHARSTRING, path_w_ua, strlen(path_w_ua) + 1, 1675 &nh) == PICL_SUCCESS) { 1676 /* 1677 * node already there - there's nothing we need to do 1678 */ 1679 if (picldevtree_debug > 1) 1680 syslog(LOG_INFO, 1681 "update_subtree: path:%s node exists\n", 1682 path_buf); 1683 di_devfs_path_free(path_buf); 1684 continue; 1685 } 1686 /* 1687 * now look for node without unit address in devfs_path. 1688 * This might be just one out of several 1689 * nodes - need to check all siblings 1690 */ 1691 err = ptree_get_propval_by_name(nodeh, PICL_PROP_CHILD, 1692 &chdh, sizeof (chdh)); 1693 if ((err != PICL_SUCCESS) && (err != PICL_PROPNOTFOUND)) 1694 return (err); 1695 gotit = 0; 1696 while (err == PICL_SUCCESS) { 1697 err = ptree_get_propval_by_name(chdh, 1698 PICL_PROP_DEVFS_PATH, buf, sizeof (buf)); 1699 if (err != PICL_SUCCESS) 1700 return (err); 1701 if (strcmp(buf, path_wo_ua) == 0) { 1702 err = ptree_get_propval_by_name(chdh, 1703 PICL_PROP_UNIT_ADDRESS, buf, sizeof (buf)); 1704 if (err != PICL_SUCCESS) 1705 return (err); 1706 if (strcmp(buf, unitaddr) == 0) { 1707 gotit = 1; 1708 break; 1709 } 1710 } 1711 err = ptree_get_propval_by_name(chdh, 1712 PICL_PROP_PEER, &chdh, sizeof (chdh)); 1713 if (err != PICL_SUCCESS) 1714 break; 1715 } 1716 if (gotit) { 1717 /* 1718 * node already there - there's nothing we need to do 1719 */ 1720 if (picldevtree_debug > 1) 1721 syslog(LOG_INFO, 1722 "update_subtree: path:%s node exists\n", 1723 path_buf); 1724 di_devfs_path_free(path_buf); 1725 continue; 1726 } 1727 1728 #define IS_MC(x) (strcmp(x, PICL_CLASS_MEMORY_CONTROLLER) == 0 ? 1 : 0) 1729 1730 if (construct_devtype_node(nodeh, nodename, nodeclass, cnode, 1731 &chdh) == PICL_SUCCESS) { 1732 if (picldevtree_debug) 1733 syslog(LOG_INFO, 1734 "picldevtree: added node:%s path:%s\n", 1735 nodename, path_buf); 1736 if (IS_MC(nodeclass)) { 1737 if (post_mc_event(PICLEVENT_MC_ADDED, chdh) != 1738 PICL_SUCCESS) 1739 syslog(LOG_WARNING, PICL_EVENT_DROPPED, 1740 PICLEVENT_MC_ADDED); 1741 } 1742 1743 di_devfs_path_free(path_buf); 1744 (void) update_subtree(chdh, cnode); 1745 } 1746 } 1747 1748 return (PICL_SUCCESS); 1749 1750 } 1751 1752 /* 1753 * Check for a stale OBP node. EINVAL is returned from the openprom(7D) driver 1754 * if the nodeid stored in the snapshot is not valid. 1755 */ 1756 static int 1757 check_stale_node(di_node_t node, void *arg) 1758 { 1759 di_prom_prop_t promp; 1760 1761 errno = 0; 1762 promp = di_prom_prop_next(ph, node, DI_PROM_PROP_NIL); 1763 if (promp == DI_PROM_PROP_NIL && errno == EINVAL) { 1764 snapshot_stale = 1; 1765 return (DI_WALK_TERMINATE); 1766 } 1767 return (DI_WALK_CONTINUE); 1768 } 1769 1770 /* 1771 * Walk the snapshot and check the OBP properties of each node. 1772 */ 1773 static int 1774 is_snapshot_stale(di_node_t root) 1775 { 1776 snapshot_stale = 0; 1777 (void) di_walk_node(root, DI_WALK_CLDFIRST, NULL, check_stale_node); 1778 return (snapshot_stale); 1779 } 1780 1781 /* 1782 * This function processes the data from libdevinfo and creates nodes 1783 * in the PICL tree. 1784 */ 1785 static int 1786 libdevinfo_init(picl_nodehdl_t rooth) 1787 { 1788 di_node_t di_root; 1789 picl_nodehdl_t plafh; 1790 picl_nodehdl_t obph; 1791 int err; 1792 1793 /* 1794 * Use DINFOCACHE so that we obtain all attributes for all 1795 * device instances (without necessarily doing a load/attach 1796 * of all drivers). Once the (on-disk) cache file is built, it 1797 * exists over a reboot and can be read into memory at a very 1798 * low cost. 1799 */ 1800 if ((di_root = di_init("/", DINFOCACHE)) == DI_NODE_NIL) 1801 return (PICL_FAILURE); 1802 1803 if ((ph = di_prom_init()) == NULL) 1804 return (PICL_FAILURE); 1805 1806 /* 1807 * Check if the snapshot cache contains stale OBP nodeid references. 1808 * If it does release the snapshot and obtain a live snapshot from the 1809 * kernel. 1810 */ 1811 if (is_snapshot_stale(di_root)) { 1812 syslog(LOG_INFO, "picld detected stale snapshot cache"); 1813 di_fini(di_root); 1814 if ((di_root = di_init("/", DINFOCPYALL | DINFOFORCE)) == 1815 DI_NODE_NIL) { 1816 return (PICL_FAILURE); 1817 } 1818 } 1819 1820 /* 1821 * create platform PICL node using di_root node 1822 */ 1823 err = construct_picl_platform(rooth, di_root, &plafh); 1824 if (err != PICL_SUCCESS) { 1825 di_fini(di_root); 1826 return (PICL_FAILURE); 1827 } 1828 1829 err = construct_picl_openprom(rooth, &obph); 1830 if (err != PICL_SUCCESS) { 1831 di_fini(di_root); 1832 return (PICL_FAILURE); 1833 } 1834 1835 (void) construct_devinfo_tree(plafh, obph, di_root, NULL); 1836 if (ph) { 1837 di_prom_fini(ph); 1838 ph = NULL; 1839 } 1840 di_fini(di_root); 1841 return (err); 1842 } 1843 1844 /* 1845 * This function returns the integer property value 1846 */ 1847 static int 1848 get_int_propval_by_name(picl_nodehdl_t nodeh, char *pname, int *ival) 1849 { 1850 int err; 1851 1852 err = ptree_get_propval_by_name(nodeh, pname, ival, 1853 sizeof (int)); 1854 1855 return (err); 1856 } 1857 1858 /* 1859 * This function returns the port ID (or CPU ID in the case of CMP cores) 1860 * of the specific CPU node handle. If upa_portid exists, return its value. 1861 * Otherwise, return portid/cpuid. 1862 */ 1863 static int 1864 get_cpu_portid(picl_nodehdl_t modh, int *id) 1865 { 1866 int err; 1867 1868 if (strcmp(mach_name, "sun4u") == 0 || 1869 strcmp(mach_name, "sun4v") == 0) { 1870 err = get_int_propval_by_name(modh, OBP_PROP_UPA_PORTID, id); 1871 if (err == PICL_SUCCESS) 1872 return (err); 1873 err = get_int_propval_by_name(modh, OBP_PROP_PORTID, id); 1874 if (err == PICL_SUCCESS) 1875 return (err); 1876 return (get_int_propval_by_name(modh, OBP_PROP_CPUID, id)); 1877 } 1878 if (strcmp(mach_name, "i86pc") == 0) 1879 return (get_int_propval_by_name(modh, OBP_REG, id)); 1880 1881 return (PICL_FAILURE); 1882 } 1883 1884 /* 1885 * This function is the volatile read access function of CPU state 1886 * property 1887 */ 1888 static int 1889 get_pi_state(ptree_rarg_t *rarg, void *vbuf) 1890 { 1891 int id; 1892 int err; 1893 1894 err = get_int_propval_by_name(rarg->nodeh, PICL_PROP_ID, &id); 1895 if (err != PICL_SUCCESS) 1896 return (err); 1897 1898 switch (p_online(id, P_STATUS)) { 1899 case P_ONLINE: 1900 (void) strlcpy(vbuf, PS_ONLINE, MAX_STATE_SIZE); 1901 break; 1902 case P_OFFLINE: 1903 (void) strlcpy(vbuf, PS_OFFLINE, MAX_STATE_SIZE); 1904 break; 1905 case P_NOINTR: 1906 (void) strlcpy(vbuf, PS_NOINTR, MAX_STATE_SIZE); 1907 break; 1908 case P_SPARE: 1909 (void) strlcpy(vbuf, PS_SPARE, MAX_STATE_SIZE); 1910 break; 1911 case P_FAULTED: 1912 (void) strlcpy(vbuf, PS_FAULTED, MAX_STATE_SIZE); 1913 break; 1914 case P_POWEROFF: 1915 (void) strlcpy(vbuf, PS_POWEROFF, MAX_STATE_SIZE); 1916 break; 1917 default: 1918 (void) strlcpy(vbuf, "unknown", MAX_STATE_SIZE); 1919 break; 1920 } 1921 return (PICL_SUCCESS); 1922 } 1923 1924 /* 1925 * This function is the volatile read access function of CPU processor_type 1926 * property 1927 */ 1928 static int 1929 get_processor_type(ptree_rarg_t *rarg, void *vbuf) 1930 { 1931 processor_info_t cpu_info; 1932 int id; 1933 int err; 1934 1935 err = get_int_propval_by_name(rarg->nodeh, PICL_PROP_ID, &id); 1936 if (err != PICL_SUCCESS) 1937 return (err); 1938 1939 if (processor_info(id, &cpu_info) >= 0) { 1940 (void) strlcpy(vbuf, cpu_info.pi_processor_type, PI_TYPELEN); 1941 } 1942 return (PICL_SUCCESS); 1943 } 1944 1945 /* 1946 * This function is the volatile read access function of CPU fputypes 1947 * property 1948 */ 1949 static int 1950 get_fputypes(ptree_rarg_t *rarg, void *vbuf) 1951 { 1952 processor_info_t cpu_info; 1953 int id; 1954 int err; 1955 1956 err = get_int_propval_by_name(rarg->nodeh, PICL_PROP_ID, &id); 1957 if (err != PICL_SUCCESS) 1958 return (err); 1959 1960 if (processor_info(id, &cpu_info) >= 0) { 1961 (void) strlcpy(vbuf, cpu_info.pi_fputypes, PI_FPUTYPE); 1962 } 1963 return (PICL_SUCCESS); 1964 } 1965 1966 /* 1967 * This function is the volatile read access function of CPU StateBegin 1968 * property. To minimize overhead, use kstat_chain_update() to refresh 1969 * the kstat header info as opposed to invoking kstat_open() every time. 1970 */ 1971 static int 1972 get_pi_state_begin(ptree_rarg_t *rarg, void *vbuf) 1973 { 1974 int err; 1975 int cpu_id; 1976 static kstat_ctl_t *kc = NULL; 1977 static pthread_mutex_t kc_mutex = PTHREAD_MUTEX_INITIALIZER; 1978 kstat_t *kp; 1979 kstat_named_t *kn; 1980 1981 err = get_int_propval_by_name(rarg->nodeh, PICL_PROP_ID, &cpu_id); 1982 if (err != PICL_SUCCESS) 1983 return (err); 1984 1985 (void) pthread_mutex_lock(&kc_mutex); 1986 if (kc == NULL) 1987 kc = kstat_open(); 1988 else if (kstat_chain_update(kc) == -1) { 1989 (void) kstat_close(kc); 1990 kc = kstat_open(); 1991 } 1992 1993 if (kc == NULL) { 1994 (void) pthread_mutex_unlock(&kc_mutex); 1995 return (PICL_FAILURE); 1996 } 1997 1998 /* Get the state_begin from kstat */ 1999 if ((kp = kstat_lookup(kc, KSTAT_CPU_INFO, cpu_id, NULL)) == NULL || 2000 kp->ks_type != KSTAT_TYPE_NAMED || kstat_read(kc, kp, 0) < 0) { 2001 (void) pthread_mutex_unlock(&kc_mutex); 2002 return (PICL_FAILURE); 2003 } 2004 2005 kn = kstat_data_lookup(kp, KSTAT_STATE_BEGIN); 2006 if (kn) { 2007 *(uint64_t *)vbuf = (uint64_t)kn->value.l; 2008 err = PICL_SUCCESS; 2009 } else 2010 err = PICL_FAILURE; 2011 2012 (void) pthread_mutex_unlock(&kc_mutex); 2013 return (err); 2014 } 2015 2016 /* 2017 * This function adds CPU information to the CPU nodes 2018 */ 2019 /* ARGSUSED */ 2020 static int 2021 add_processor_info(picl_nodehdl_t cpuh, void *args) 2022 { 2023 int err; 2024 int cpu_id; 2025 ptree_propinfo_t propinfo; 2026 ptree_propinfo_t pinfo; 2027 2028 err = get_cpu_portid(cpuh, &cpu_id); 2029 if (err != PICL_SUCCESS) 2030 return (PICL_WALK_CONTINUE); 2031 2032 /* 2033 * Check to make sure that the CPU is still present, i.e. that it 2034 * has not been DR'ed out of the system. 2035 */ 2036 if (p_online(cpu_id, P_STATUS) == -1) { 2037 if (picldevtree_debug) 2038 syslog(LOG_INFO, 2039 "picldevtree: cpu %d (%llx) does not exist - " 2040 "deleting node\n", cpu_id, cpuh); 2041 2042 if (ptree_delete_node(cpuh) == PICL_SUCCESS) 2043 (void) ptree_destroy_node(cpuh); 2044 2045 return (PICL_WALK_CONTINUE); 2046 } 2047 2048 (void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION, 2049 PICL_PTYPE_INT, PICL_READ, sizeof (int), PICL_PROP_ID, NULL, NULL); 2050 err = ptree_create_and_add_prop(cpuh, &propinfo, &cpu_id, NULL); 2051 if (err != PICL_SUCCESS) 2052 return (PICL_WALK_CONTINUE); 2053 2054 (void) ptree_init_propinfo(&pinfo, PTREE_PROPINFO_VERSION, 2055 PICL_PTYPE_CHARSTRING, (PICL_READ|PICL_VOLATILE), MAX_STATE_SIZE, 2056 PICL_PROP_STATE, get_pi_state, NULL); 2057 (void) ptree_create_and_add_prop(cpuh, &pinfo, NULL, NULL); 2058 2059 (void) ptree_init_propinfo(&pinfo, PTREE_PROPINFO_VERSION, 2060 PICL_PTYPE_CHARSTRING, (PICL_READ|PICL_VOLATILE), PI_TYPELEN, 2061 PICL_PROP_PROCESSOR_TYPE, get_processor_type, NULL); 2062 (void) ptree_create_and_add_prop(cpuh, &pinfo, NULL, NULL); 2063 2064 (void) ptree_init_propinfo(&pinfo, PTREE_PROPINFO_VERSION, 2065 PICL_PTYPE_CHARSTRING, (PICL_READ|PICL_VOLATILE), PI_FPUTYPE, 2066 PICL_PROP_FPUTYPE, get_fputypes, NULL); 2067 (void) ptree_create_and_add_prop(cpuh, &pinfo, NULL, NULL); 2068 2069 (void) ptree_init_propinfo(&pinfo, PTREE_PROPINFO_VERSION, 2070 PICL_PTYPE_TIMESTAMP, PICL_READ|PICL_VOLATILE, sizeof (uint64_t), 2071 PICL_PROP_STATE_BEGIN, get_pi_state_begin, NULL); 2072 (void) ptree_create_and_add_prop(cpuh, &pinfo, NULL, NULL); 2073 2074 return (PICL_WALK_CONTINUE); 2075 } 2076 2077 /* 2078 * This function sets up the "ID" property in every CPU nodes 2079 * and adds processor info 2080 */ 2081 static int 2082 setup_cpus(picl_nodehdl_t plafh) 2083 { 2084 int err; 2085 2086 err = ptree_walk_tree_by_class(plafh, PICL_CLASS_CPU, NULL, 2087 add_processor_info); 2088 2089 return (err); 2090 } 2091 2092 /* 2093 * This function format's the manufacture's information for FFB display 2094 * devices 2095 */ 2096 static void 2097 fmt_manf_id(manuf_t manufid, int bufsz, char *outbuf) 2098 { 2099 /* 2100 * Format the manufacturer's info. Note a small inconsistency we 2101 * have to work around - Brooktree has it's part number in decimal, 2102 * while Mitsubishi has it's part number in hex. 2103 */ 2104 switch (manufid.fld.manf) { 2105 case MANF_BROOKTREE: 2106 (void) snprintf(outbuf, bufsz, "%s %d, version %d", 2107 "Brooktree", manufid.fld.partno, manufid.fld.version); 2108 break; 2109 2110 case MANF_MITSUBISHI: 2111 (void) snprintf(outbuf, bufsz, "%s %x, version %d", 2112 "Mitsubishi", manufid.fld.partno, manufid.fld.version); 2113 break; 2114 2115 default: 2116 (void) snprintf(outbuf, bufsz, 2117 "JED code %d, Part num 0x%x, version %d", 2118 manufid.fld.manf, manufid.fld.partno, manufid.fld.version); 2119 } 2120 } 2121 2122 /* 2123 * If it's an ffb device, open ffb devices and return PICL_SUCCESS 2124 */ 2125 static int 2126 open_ffb_device(picl_nodehdl_t ffbh, int *fd) 2127 { 2128 DIR *dirp; 2129 char devfs_path[PATH_MAX]; 2130 char dev_path[PATH_MAX]; 2131 char *devp; 2132 struct dirent *direntp; 2133 int err; 2134 int tmpfd; 2135 2136 /* Get the devfs_path of the ffb devices */ 2137 err = ptree_get_propval_by_name(ffbh, PICL_PROP_DEVFS_PATH, devfs_path, 2138 sizeof (devfs_path)); 2139 if (err != PICL_SUCCESS) 2140 return (err); 2141 2142 /* Get the device node name */ 2143 devp = strrchr(devfs_path, '/'); 2144 if (devp == NULL) 2145 return (PICL_FAILURE); 2146 *devp = '\0'; 2147 ++devp; 2148 2149 /* 2150 * Check if device node name has the ffb string 2151 * If not, assume it's not a ffb device. 2152 */ 2153 if (strstr(devp, FFB_NAME) == NULL) 2154 return (PICL_FAILURE); 2155 2156 /* 2157 * Get the parent path of the ffb device node. 2158 */ 2159 (void) snprintf(dev_path, sizeof (dev_path), "%s/%s", "/devices", 2160 devfs_path); 2161 2162 /* 2163 * Since we don't know ffb's minor nodename, 2164 * we need to search all the devices under its 2165 * parent dir by comparing the node name 2166 */ 2167 if ((dirp = opendir(dev_path)) == NULL) 2168 return (PICL_FAILURE); 2169 2170 while ((direntp = readdir(dirp)) != NULL) { 2171 if (strstr(direntp->d_name, devp) != NULL) { 2172 (void) strcat(dev_path, "/"); 2173 (void) strcat(dev_path, direntp->d_name); 2174 tmpfd = open(dev_path, O_RDWR); 2175 if (tmpfd < 0) 2176 continue; 2177 *fd = tmpfd; 2178 (void) closedir(dirp); 2179 return (PICL_SUCCESS); 2180 } 2181 } 2182 2183 (void) closedir(dirp); 2184 return (PICL_FAILURE); 2185 } 2186 2187 /* 2188 * This function recursively searches the tree for ffb display devices 2189 * and add ffb config information 2190 */ 2191 static int 2192 add_ffb_config_info(picl_nodehdl_t rooth) 2193 { 2194 picl_nodehdl_t nodeh; 2195 int err; 2196 char piclclass[PICL_CLASSNAMELEN_MAX]; 2197 char manfidbuf[FFB_MANUF_BUFSIZE]; 2198 int fd; 2199 int board_rev; 2200 ffb_sys_info_t fsi; 2201 ptree_propinfo_t pinfo; 2202 2203 for (err = ptree_get_propval_by_name(rooth, PICL_PROP_CHILD, &nodeh, 2204 sizeof (picl_nodehdl_t)); err != PICL_PROPNOTFOUND; 2205 err = ptree_get_propval_by_name(nodeh, PICL_PROP_PEER, 2206 &nodeh, sizeof (picl_nodehdl_t))) { 2207 2208 if (err != PICL_SUCCESS) 2209 return (err); 2210 2211 err = ptree_get_propval_by_name(nodeh, PICL_PROP_CLASSNAME, 2212 piclclass, PICL_CLASSNAMELEN_MAX); 2213 2214 if ((err == PICL_SUCCESS) && 2215 (strcmp(piclclass, PICL_CLASS_DISPLAY) == 0)) { 2216 2217 err = open_ffb_device(nodeh, &fd); 2218 if ((err == PICL_SUCCESS) && 2219 (ioctl(fd, FFB_SYS_INFO, &fsi) >= 0)) { 2220 (void) ptree_init_propinfo(&pinfo, 2221 PTREE_PROPINFO_VERSION, 2222 PICL_PTYPE_UNSIGNED_INT, PICL_READ, 2223 sizeof (int), PICL_PROP_FFB_BOARD_REV, 2224 NULL, NULL); 2225 board_rev = fsi.ffb_strap_bits.fld.board_rev; 2226 (void) ptree_create_and_add_prop(nodeh, &pinfo, 2227 &board_rev, NULL); 2228 2229 fmt_manf_id(fsi.dac_version, 2230 sizeof (manfidbuf), manfidbuf); 2231 (void) ptree_init_propinfo(&pinfo, 2232 PTREE_PROPINFO_VERSION, 2233 PICL_PTYPE_CHARSTRING, PICL_READ, 2234 strlen(manfidbuf) + 1, 2235 PICL_PROP_FFB_DAC_VER, NULL, NULL); 2236 (void) ptree_create_and_add_prop(nodeh, &pinfo, 2237 manfidbuf, NULL); 2238 2239 fmt_manf_id(fsi.fbram_version, 2240 sizeof (manfidbuf), manfidbuf); 2241 (void) ptree_init_propinfo(&pinfo, 2242 PTREE_PROPINFO_VERSION, 2243 PICL_PTYPE_CHARSTRING, PICL_READ, 2244 strlen(manfidbuf) + 1, 2245 PICL_PROP_FFB_FBRAM_VER, NULL, 2246 NULL); 2247 (void) ptree_create_and_add_prop(nodeh, &pinfo, 2248 manfidbuf, NULL); 2249 (void) close(fd); 2250 } 2251 } else if (add_ffb_config_info(nodeh) != PICL_SUCCESS) 2252 return (PICL_FAILURE); 2253 } 2254 return (PICL_SUCCESS); 2255 } 2256 2257 static conf_entries_t * 2258 free_conf_entries(conf_entries_t *list) 2259 { 2260 conf_entries_t *el; 2261 conf_entries_t *del; 2262 2263 if (list == NULL) 2264 return (NULL); 2265 el = list; 2266 while (el != NULL) { 2267 del = el; 2268 el = el->next; 2269 free(del->name); 2270 free(del->piclclass); 2271 free(del); 2272 } 2273 return (el); 2274 } 2275 2276 /* 2277 * Reading config order: platform, common 2278 */ 2279 static conf_entries_t * 2280 read_conf_file(char *fname, conf_entries_t *list) 2281 { 2282 FILE *fp; 2283 char lbuf[CONFFILE_LINELEN_MAX]; 2284 char *nametok; 2285 char *classtok; 2286 conf_entries_t *el; 2287 conf_entries_t *ptr; 2288 2289 if (fname == NULL) 2290 return (list); 2291 2292 fp = fopen(fname, "r"); 2293 2294 if (fp == NULL) 2295 return (list); 2296 2297 while (fgets(lbuf, CONFFILE_LINELEN_MAX, fp) != NULL) { 2298 if ((lbuf[0] == CONFFILE_COMMENT_CHAR) || (lbuf[0] == '\n')) 2299 continue; 2300 2301 nametok = strtok(lbuf, " \t\n"); 2302 if (nametok == NULL) 2303 continue; 2304 2305 classtok = strtok(NULL, " \t\n"); 2306 if (classtok == NULL) 2307 continue; 2308 2309 el = malloc(sizeof (conf_entries_t)); 2310 if (el == NULL) 2311 break; 2312 el->name = strdup(nametok); 2313 el->piclclass = strdup(classtok); 2314 if ((el->name == NULL) || (el->piclclass == NULL)) { 2315 free(el); 2316 return (list); 2317 } 2318 el->next = NULL; 2319 2320 /* 2321 * Add it to the end of list 2322 */ 2323 if (list == NULL) 2324 list = el; 2325 else { 2326 ptr = list; 2327 while (ptr->next != NULL) 2328 ptr = ptr->next; 2329 ptr->next = el; 2330 } 2331 2332 } 2333 (void) fclose(fp); 2334 return (list); 2335 } 2336 2337 /* 2338 * Process the devtree conf file and set up the conf_name_class_map list 2339 */ 2340 static void 2341 process_devtree_conf_file(void) 2342 { 2343 char nmbuf[SYS_NMLN]; 2344 char pname[PATH_MAX]; 2345 2346 conf_name_class_map = NULL; 2347 2348 if (sysinfo(SI_PLATFORM, nmbuf, sizeof (nmbuf)) != -1) { 2349 (void) snprintf(pname, PATH_MAX, PICLD_PLAT_PLUGIN_DIRF, nmbuf); 2350 (void) strlcat(pname, DEVTREE_CONFFILE_NAME, PATH_MAX); 2351 conf_name_class_map = read_conf_file(pname, 2352 conf_name_class_map); 2353 } 2354 2355 if (sysinfo(SI_MACHINE, nmbuf, sizeof (nmbuf)) != -1) { 2356 (void) snprintf(pname, PATH_MAX, PICLD_PLAT_PLUGIN_DIRF, nmbuf); 2357 (void) strlcat(pname, DEVTREE_CONFFILE_NAME, PATH_MAX); 2358 conf_name_class_map = read_conf_file(pname, 2359 conf_name_class_map); 2360 } 2361 2362 (void) snprintf(pname, PATH_MAX, "%s/%s", PICLD_COMMON_PLUGIN_DIR, 2363 DEVTREE_CONFFILE_NAME); 2364 conf_name_class_map = read_conf_file(pname, conf_name_class_map); 2365 } 2366 2367 static asr_conf_entries_t *conf_name_asr_map = NULL; 2368 2369 static void 2370 free_asr_conf_entries(asr_conf_entries_t *list) { 2371 asr_conf_entries_t *el; 2372 asr_conf_entries_t *del; 2373 2374 el = list; 2375 while (el != NULL) { 2376 del = el; 2377 el = el->next; 2378 if (del->name) 2379 free(del->name); 2380 if (del->address) 2381 free(del->address); 2382 if (del->status) 2383 free(del->status); 2384 if (del->piclclass) 2385 free(del->piclclass); 2386 if (del->props) 2387 free(del->props); 2388 free(del); 2389 } 2390 } 2391 2392 /* 2393 * Reading config order: platform, common 2394 */ 2395 static asr_conf_entries_t * 2396 read_asr_conf_file(char *fname, asr_conf_entries_t *list) 2397 { 2398 FILE *fp; 2399 char lbuf[CONFFILE_LINELEN_MAX]; 2400 char *nametok; 2401 char *classtok; 2402 char *statustok; 2403 char *addresstok; 2404 char *propstok; 2405 asr_conf_entries_t *el; 2406 asr_conf_entries_t *ptr; 2407 2408 if (fname == NULL) 2409 return (list); 2410 2411 fp = fopen(fname, "r"); 2412 if (fp == NULL) 2413 return (list); 2414 2415 while (fgets(lbuf, CONFFILE_LINELEN_MAX, fp) != NULL) { 2416 if ((lbuf[0] == CONFFILE_COMMENT_CHAR) || (lbuf[0] == '\n')) 2417 continue; 2418 2419 nametok = strtok(lbuf, " \t\n"); 2420 if (nametok == NULL) 2421 continue; 2422 2423 classtok = strtok(NULL, " \t\n"); 2424 if (classtok == NULL) 2425 continue; 2426 2427 statustok = strtok(NULL, " \t\n"); 2428 if (statustok == NULL) 2429 continue; 2430 2431 addresstok = strtok(NULL, " \t\n"); 2432 if (addresstok == NULL) 2433 continue; 2434 2435 /* 2436 * props are optional 2437 */ 2438 propstok = strtok(NULL, " \t\n"); 2439 2440 el = malloc(sizeof (asr_conf_entries_t)); 2441 if (el == NULL) 2442 break; 2443 el->name = strdup(nametok); 2444 el->piclclass = strdup(classtok); 2445 el->status = strdup(statustok); 2446 el->address = strdup(addresstok); 2447 if (propstok != NULL) 2448 el->props = strdup(propstok); 2449 else 2450 el->props = NULL; 2451 if ((el->name == NULL) || (el->piclclass == NULL) || 2452 (el->address == NULL) || (el->status == NULL)) { 2453 if (el->name) 2454 free(el->name); 2455 if (el->address) 2456 free(el->address); 2457 if (el->status) 2458 free(el->status); 2459 if (el->piclclass) 2460 free(el->piclclass); 2461 if (el->props) 2462 free(el->props); 2463 free(el); 2464 break; 2465 } 2466 el->next = NULL; 2467 2468 /* 2469 * Add it to the end of list 2470 */ 2471 if (list == NULL) 2472 list = el; 2473 else { 2474 ptr = list; 2475 while (ptr->next != NULL) 2476 ptr = ptr->next; 2477 ptr->next = el; 2478 } 2479 2480 } 2481 (void) fclose(fp); 2482 return (list); 2483 } 2484 2485 /* 2486 * Process the asr conf file 2487 */ 2488 static void 2489 process_asrtree_conf_file(void) 2490 { 2491 char nmbuf[SYS_NMLN]; 2492 char pname[PATH_MAX]; 2493 2494 if (sysinfo(SI_PLATFORM, nmbuf, sizeof (nmbuf)) != -1) { 2495 (void) snprintf(pname, PATH_MAX, PICLD_PLAT_PLUGIN_DIRF, nmbuf); 2496 (void) strlcat(pname, ASRTREE_CONFFILE_NAME, PATH_MAX); 2497 conf_name_asr_map = read_asr_conf_file(pname, 2498 conf_name_asr_map); 2499 } 2500 2501 if (sysinfo(SI_MACHINE, nmbuf, sizeof (nmbuf)) != -1) { 2502 (void) snprintf(pname, PATH_MAX, PICLD_PLAT_PLUGIN_DIRF, nmbuf); 2503 (void) strlcat(pname, ASRTREE_CONFFILE_NAME, PATH_MAX); 2504 conf_name_asr_map = read_asr_conf_file(pname, 2505 conf_name_asr_map); 2506 } 2507 2508 (void) snprintf(pname, PATH_MAX, "%s/%s", PICLD_COMMON_PLUGIN_DIR, 2509 ASRTREE_CONFFILE_NAME); 2510 conf_name_asr_map = read_asr_conf_file(pname, conf_name_asr_map); 2511 } 2512 2513 /* 2514 * This function reads the export file list from ASR 2515 */ 2516 static int 2517 get_asr_export_list(char **exportlist, int *exportlistlen) 2518 { 2519 struct openpromio oppbuf; 2520 struct openpromio *opp = &oppbuf; 2521 int d; 2522 int listsize; 2523 2524 d = open("/dev/openprom", O_RDWR); 2525 if (d < 0) 2526 return (0); 2527 2528 if (ioctl(d, OPROMEXPORTLEN, opp) == -1) { 2529 (void) close(d); 2530 return (0); 2531 } 2532 listsize = opp->oprom_size; 2533 opp = (struct openpromio *)malloc(sizeof (struct openpromio) + 2534 listsize); 2535 if (opp == NULL) { 2536 (void) close(d); 2537 return (0); 2538 } 2539 (void) memset(opp, '\0', sizeof (struct openpromio) + listsize); 2540 opp->oprom_size = listsize; 2541 if (ioctl(d, OPROMEXPORT, opp) == -1) { 2542 free(opp); 2543 (void) close(d); 2544 return (0); 2545 } 2546 *exportlist = malloc(listsize); 2547 if (*exportlist == NULL) { 2548 free(opp); 2549 (void) close(d); 2550 return (0); 2551 } 2552 (void) memcpy(*exportlist, opp->oprom_array, opp->oprom_size); 2553 *exportlistlen = opp->oprom_size; 2554 free(opp); 2555 (void) close(d); 2556 return (1); 2557 } 2558 2559 /* 2560 * Parses properties string, fills in triplet structure with first 2561 * type, name, val triplet and returns pointer to next property. 2562 * Returns NULL if no valid triplet found 2563 * CAUTION: drops \0 characters over separator characters: if you 2564 * want to parse the string twice, you'll have to take a copy. 2565 */ 2566 static char * 2567 parse_props_string(char *props, asr_prop_triplet_t *triplet) 2568 { 2569 char *prop_name; 2570 char *prop_val; 2571 char *prop_next; 2572 2573 prop_name = strchr(props, '?'); 2574 if (prop_name == NULL) 2575 return (NULL); 2576 *prop_name++ = '\0'; 2577 prop_val = strchr(prop_name, '='); 2578 if (prop_val == NULL) 2579 return (NULL); 2580 *prop_val++ = '\0'; 2581 triplet->proptype = props; 2582 triplet->propname = prop_name; 2583 triplet->propval = prop_val; 2584 prop_next = strchr(prop_val, ':'); 2585 if (prop_next == NULL) 2586 return (prop_val - 1); 2587 *prop_next++ = '\0'; 2588 return (prop_next); 2589 } 2590 2591 static int 2592 add_status_prop(picl_nodehdl_t chdh, char *status) 2593 { 2594 ptree_propinfo_t propinfo; 2595 picl_prophdl_t proph; 2596 int err; 2597 2598 err = ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION, 2599 PICL_PTYPE_CHARSTRING, PICL_READ, strlen(status) + 1, 2600 PICL_PROP_STATUS, NULL, NULL); 2601 if (err != PICL_SUCCESS) 2602 return (err); 2603 err = ptree_create_and_add_prop(chdh, &propinfo, status, &proph); 2604 return (err); 2605 } 2606 2607 static void 2608 create_asr_node(char *parent, char *child, char *unitaddr, char *class, 2609 char *status, char *props) 2610 { 2611 char ptreepath[PATH_MAX]; 2612 char nodename[PICL_PROPNAMELEN_MAX]; 2613 char ua[MAX_UNIT_ADDRESS_LEN]; 2614 char *props_copy = NULL; 2615 char *next; 2616 char *prop_string; 2617 boolean_t found = B_FALSE; 2618 picl_nodehdl_t nodeh; 2619 picl_nodehdl_t chdh; 2620 asr_prop_triplet_t triple; 2621 ptree_propinfo_t propinfo; 2622 picl_prophdl_t proph; 2623 int val; 2624 int err; 2625 2626 (void) strlcpy(ptreepath, PLATFORM_PATH, PATH_MAX); 2627 (void) strlcat(ptreepath, parent, PATH_MAX); 2628 2629 if (ptree_get_node_by_path(ptreepath, &nodeh) != PICL_SUCCESS) 2630 return; 2631 /* 2632 * see if the required child node already exists 2633 */ 2634 for (err = ptree_get_propval_by_name(nodeh, PICL_PROP_CHILD, &chdh, 2635 sizeof (picl_nodehdl_t)); err != PICL_PROPNOTFOUND; 2636 err = ptree_get_propval_by_name(chdh, PICL_PROP_PEER, &chdh, 2637 sizeof (picl_nodehdl_t))) { 2638 if (err != PICL_SUCCESS) 2639 break; 2640 err = ptree_get_propval_by_name(chdh, PICL_PROP_NAME, 2641 (void *)nodename, PICL_PROPNAMELEN_MAX); 2642 if (err != PICL_SUCCESS) 2643 break; 2644 if (strcmp(nodename, child) != 0) 2645 continue; 2646 /* 2647 * found a candidate child node 2648 */ 2649 if (unitaddr) { 2650 /* 2651 * does it match the required unit address? 2652 */ 2653 err = ptree_get_propval_by_name(chdh, 2654 PICL_PROP_UNIT_ADDRESS, ua, sizeof (ua)); 2655 if (err == PICL_PROPNOTFOUND) 2656 continue; 2657 if (err != PICL_SUCCESS) 2658 break; 2659 if (strcmp(unitaddr, ua) != 0) 2660 continue; 2661 } 2662 if (props == NULL) { 2663 next = ""; 2664 } else if (props_copy == NULL) { 2665 props_copy = strdup(props); 2666 if (props_copy == NULL) 2667 return; 2668 next = props_copy; 2669 } 2670 while ((next = parse_props_string(next, &triple)) != NULL) { 2671 err = ptree_get_prop_by_name(chdh, triple.propname, 2672 &proph); 2673 if (err != PICL_SUCCESS) 2674 break; 2675 err = ptree_get_propinfo(proph, &propinfo); 2676 if (err != PICL_SUCCESS) 2677 break; 2678 err = PICL_FAILURE; 2679 switch (propinfo.piclinfo.type) { 2680 case PICL_PTYPE_INT: 2681 case PICL_PTYPE_UNSIGNED_INT: 2682 if (strcmp(triple.proptype, "I") != 0) 2683 break; 2684 err = ptree_get_propval(proph, (void *)&val, 2685 sizeof (val)); 2686 if (err != PICL_SUCCESS) 2687 break; 2688 if (val != atoi(triple.propval)) 2689 err = PICL_FAILURE; 2690 break; 2691 case PICL_PTYPE_CHARSTRING: 2692 if (strcmp(triple.proptype, "S") != 0) 2693 break; 2694 prop_string = malloc(propinfo.piclinfo.size); 2695 if (prop_string == NULL) 2696 break; 2697 err = ptree_get_propval(proph, 2698 (void *)prop_string, 2699 propinfo.piclinfo.size); 2700 if (err != PICL_SUCCESS) { 2701 free(prop_string); 2702 break; 2703 } 2704 if (strcmp(prop_string, triple.propval) != 0) 2705 err = PICL_FAILURE; 2706 free(prop_string); 2707 break; 2708 default: 2709 break; 2710 } 2711 if (err != PICL_SUCCESS) { 2712 break; 2713 } 2714 } 2715 if (next == NULL) { 2716 found = B_TRUE; 2717 break; 2718 } 2719 } 2720 if (props_copy) 2721 free(props_copy); 2722 if (found) { 2723 /* 2724 * does the pre-existing node have a status property? 2725 */ 2726 err = ptree_get_propval_by_name(chdh, PICL_PROP_STATUS, 2727 ua, sizeof (ua)); 2728 if (err == PICL_PROPNOTFOUND) 2729 (void) add_status_prop(chdh, status); 2730 if (err != PICL_SUCCESS) 2731 return; 2732 if ((strcmp(ua, ASR_DISABLED) == 0) || 2733 (strcmp(ua, ASR_FAILED) == 0) || 2734 ((strcmp(status, ASR_DISABLED) != 0) && 2735 (strcmp(status, ASR_FAILED) != 0))) { 2736 return; 2737 } 2738 /* 2739 * more urgent status now, so replace existing value 2740 */ 2741 err = ptree_get_prop_by_name(chdh, PICL_PROP_STATUS, &proph); 2742 if (err != PICL_SUCCESS) 2743 return; 2744 (void) ptree_delete_prop(proph); 2745 (void) ptree_destroy_prop(proph); 2746 err = add_status_prop(chdh, status); 2747 if (err != PICL_SUCCESS) 2748 return; 2749 return; 2750 } 2751 2752 /* 2753 * typical case, node needs adding together with a set of properties 2754 */ 2755 if (ptree_create_and_add_node(nodeh, child, class, &chdh) == 2756 PICL_SUCCESS) { 2757 (void) add_status_prop(chdh, status); 2758 if (unitaddr) { 2759 (void) ptree_init_propinfo(&propinfo, 2760 PTREE_PROPINFO_VERSION, PICL_PTYPE_CHARSTRING, 2761 PICL_READ, strlen(unitaddr) + 1, 2762 PICL_PROP_UNIT_ADDRESS, NULL, NULL); 2763 (void) ptree_create_and_add_prop(chdh, &propinfo, 2764 unitaddr, &proph); 2765 (void) strlcpy(ptreepath, parent, PATH_MAX); 2766 (void) strlcat(ptreepath, "/", PATH_MAX); 2767 (void) strlcat(ptreepath, child, PATH_MAX); 2768 (void) strlcat(ptreepath, "@", PATH_MAX); 2769 (void) strlcat(ptreepath, unitaddr, PATH_MAX); 2770 (void) ptree_init_propinfo(&propinfo, 2771 PTREE_PROPINFO_VERSION, PICL_PTYPE_CHARSTRING, 2772 PICL_READ, strlen(ptreepath) + 1, 2773 PICL_PROP_DEVFS_PATH, NULL, NULL); 2774 (void) ptree_create_and_add_prop(chdh, &propinfo, 2775 ptreepath, &proph); 2776 } 2777 next = props; 2778 while ((next = parse_props_string(next, &triple)) != NULL) { 2779 /* 2780 * only handle int and string properties for 2781 * simplicity 2782 */ 2783 if (strcmp(triple.proptype, "I") == 0) { 2784 (void) ptree_init_propinfo(&propinfo, 2785 PTREE_PROPINFO_VERSION, 2786 PICL_PTYPE_INT, PICL_READ, 2787 sizeof (int), triple.propname, NULL, NULL); 2788 val = atoi(triple.propval); 2789 (void) ptree_create_and_add_prop(chdh, 2790 &propinfo, &val, &proph); 2791 } else { 2792 (void) ptree_init_propinfo(&propinfo, 2793 PTREE_PROPINFO_VERSION, 2794 PICL_PTYPE_CHARSTRING, PICL_READ, 2795 strlen(triple.propval) + 1, 2796 triple.propname, NULL, NULL); 2797 (void) ptree_create_and_add_prop(chdh, 2798 &propinfo, triple.propval, &proph); 2799 } 2800 } 2801 } 2802 } 2803 2804 static void 2805 add_asr_nodes() 2806 { 2807 char *asrexport; 2808 int asrexportlen; 2809 asr_conf_entries_t *c = NULL; 2810 int i; 2811 char *key; 2812 char *child; 2813 char *unitaddr; 2814 uint16_t count; 2815 int disabled; 2816 2817 if (get_asr_export_list(&asrexport, &asrexportlen) == 0) 2818 return; 2819 process_asrtree_conf_file(); 2820 if (conf_name_asr_map == NULL) 2821 return; 2822 i = 0; 2823 while (i < asrexportlen) { 2824 key = &asrexport[i]; 2825 i += strlen(key) + 1; 2826 if (i >= asrexportlen) 2827 break; 2828 2829 /* 2830 * next byte tells us whether failed by diags or manually 2831 * disabled 2832 */ 2833 disabled = asrexport[i]; 2834 i++; 2835 if (i >= asrexportlen) 2836 break; 2837 2838 /* 2839 * only type 1 supported 2840 */ 2841 if (asrexport[i] != 1) 2842 break; 2843 i++; 2844 if (i >= asrexportlen) 2845 break; 2846 2847 /* 2848 * next two bytes give size of reason string 2849 */ 2850 count = (asrexport[i] << 8) | asrexport[i + 1]; 2851 i += count + 2; 2852 if (i > asrexportlen) 2853 break; 2854 2855 /* 2856 * now look for key in conf file info 2857 */ 2858 c = conf_name_asr_map; 2859 while (c != NULL) { 2860 if (strcmp(key, c->name) == 0) { 2861 child = strrchr(c->address, '/'); 2862 *child++ = '\0'; 2863 unitaddr = strchr(child, '@'); 2864 if (unitaddr) 2865 *unitaddr++ = '\0'; 2866 if (strcmp(c->status, ASR_DISABLED) == 0) { 2867 create_asr_node(c->address, child, 2868 unitaddr, c->piclclass, disabled ? 2869 ASR_DISABLED : ASR_FAILED, 2870 c->props); 2871 } else { 2872 create_asr_node(c->address, child, 2873 unitaddr, c->piclclass, c->status, 2874 c->props); 2875 } 2876 } 2877 c = c->next; 2878 } 2879 } 2880 2881 free_asr_conf_entries(conf_name_asr_map); 2882 free(asrexport); 2883 } 2884 2885 /* 2886 * This function adds information to the /platform node 2887 */ 2888 static int 2889 add_platform_info(picl_nodehdl_t plafh) 2890 { 2891 struct utsname uts_info; 2892 int err; 2893 ptree_propinfo_t propinfo; 2894 picl_prophdl_t proph; 2895 2896 if (uname(&uts_info) < 0) 2897 return (PICL_FAILURE); 2898 2899 (void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION, 2900 PICL_PTYPE_CHARSTRING, PICL_READ, strlen(uts_info.sysname) + 1, 2901 PICL_PROP_SYSNAME, NULL, NULL); 2902 err = ptree_create_and_add_prop(plafh, &propinfo, uts_info.sysname, 2903 &proph); 2904 if (err != PICL_SUCCESS) 2905 return (err); 2906 2907 (void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION, 2908 PICL_PTYPE_CHARSTRING, PICL_READ, strlen(uts_info.nodename) + 1, 2909 PICL_PROP_NODENAME, NULL, NULL); 2910 err = ptree_create_and_add_prop(plafh, &propinfo, uts_info.nodename, 2911 &proph); 2912 if (err != PICL_SUCCESS) 2913 return (err); 2914 2915 (void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION, 2916 PICL_PTYPE_CHARSTRING, PICL_READ, strlen(uts_info.release) + 1, 2917 PICL_PROP_RELEASE, NULL, NULL); 2918 err = ptree_create_and_add_prop(plafh, &propinfo, uts_info.release, 2919 &proph); 2920 if (err != PICL_SUCCESS) 2921 return (err); 2922 2923 (void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION, 2924 PICL_PTYPE_CHARSTRING, PICL_READ, strlen(uts_info.version) + 1, 2925 PICL_PROP_VERSION, NULL, NULL); 2926 err = ptree_create_and_add_prop(plafh, &propinfo, uts_info.version, 2927 &proph); 2928 if (err != PICL_SUCCESS) 2929 return (err); 2930 2931 (void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION, 2932 PICL_PTYPE_CHARSTRING, PICL_READ, strlen(uts_info.machine) + 1, 2933 PICL_PROP_MACHINE, NULL, NULL); 2934 err = ptree_create_and_add_prop(plafh, &propinfo, uts_info.machine, 2935 &proph); 2936 return (err); 2937 } 2938 2939 /* 2940 * Get first 32-bit value from the reg property 2941 */ 2942 static int 2943 get_first_reg_word(picl_nodehdl_t nodeh, uint32_t *regval) 2944 { 2945 int err; 2946 uint32_t *regbuf; 2947 picl_prophdl_t regh; 2948 ptree_propinfo_t pinfo; 2949 2950 err = ptree_get_prop_by_name(nodeh, OBP_REG, ®h); 2951 if (err != PICL_SUCCESS) /* no reg property */ 2952 return (err); 2953 err = ptree_get_propinfo(regh, &pinfo); 2954 if (err != PICL_SUCCESS) 2955 return (err); 2956 if (pinfo.piclinfo.size < sizeof (uint32_t)) /* too small */ 2957 return (PICL_FAILURE); 2958 regbuf = alloca(pinfo.piclinfo.size); 2959 if (regbuf == NULL) 2960 return (PICL_FAILURE); 2961 err = ptree_get_propval(regh, regbuf, pinfo.piclinfo.size); 2962 if (err != PICL_SUCCESS) 2963 return (err); 2964 *regval = *regbuf; /* get first 32-bit value */ 2965 return (PICL_SUCCESS); 2966 } 2967 2968 /* 2969 * Get device ID from the reg property 2970 */ 2971 static int 2972 get_device_id(picl_nodehdl_t nodeh, uint32_t *dev_id) 2973 { 2974 int err; 2975 uint32_t regval; 2976 2977 err = get_first_reg_word(nodeh, ®val); 2978 if (err != PICL_SUCCESS) 2979 return (err); 2980 2981 *dev_id = PCI_DEVICE_ID(regval); 2982 return (PICL_SUCCESS); 2983 } 2984 2985 /* 2986 * add Slot property for children of SBUS node 2987 */ 2988 /* ARGSUSED */ 2989 static int 2990 add_sbus_slots(picl_nodehdl_t pcih, void *args) 2991 { 2992 picl_nodehdl_t nodeh; 2993 uint32_t slot; 2994 int err; 2995 ptree_propinfo_t pinfo; 2996 2997 for (err = ptree_get_propval_by_name(pcih, PICL_PROP_CHILD, &nodeh, 2998 sizeof (picl_nodehdl_t)); err != PICL_PROPNOTFOUND; 2999 err = ptree_get_propval_by_name(nodeh, PICL_PROP_PEER, &nodeh, 3000 sizeof (picl_nodehdl_t))) { 3001 if (err != PICL_SUCCESS) 3002 return (err); 3003 3004 if (get_first_reg_word(nodeh, &slot) != 0) 3005 continue; 3006 (void) ptree_init_propinfo(&pinfo, PTREE_PROPINFO_VERSION, 3007 PICL_PTYPE_UNSIGNED_INT, PICL_READ, sizeof (uint32_t), 3008 PICL_PROP_SLOT, NULL, NULL); 3009 (void) ptree_create_and_add_prop(nodeh, &pinfo, &slot, NULL); 3010 } 3011 3012 return (PICL_WALK_CONTINUE); 3013 } 3014 3015 /* 3016 * This function creates a Slot property for SBUS child nodes 3017 * which can be correlated with the slot they are plugged into 3018 * on the motherboard. 3019 */ 3020 static int 3021 set_sbus_slot(picl_nodehdl_t plafh) 3022 { 3023 int err; 3024 3025 err = ptree_walk_tree_by_class(plafh, PICL_CLASS_SBUS, NULL, 3026 add_sbus_slots); 3027 3028 return (err); 3029 } 3030 3031 /* 3032 * add DeviceID property for children of PCI/PCIEX node 3033 */ 3034 /* ARGSUSED */ 3035 static int 3036 add_pci_deviceids(picl_nodehdl_t pcih, void *args) 3037 { 3038 picl_nodehdl_t nodeh; 3039 uint32_t dev_id; 3040 int err; 3041 ptree_propinfo_t pinfo; 3042 3043 for (err = ptree_get_propval_by_name(pcih, PICL_PROP_CHILD, &nodeh, 3044 sizeof (picl_nodehdl_t)); err != PICL_PROPNOTFOUND; 3045 err = ptree_get_propval_by_name(nodeh, PICL_PROP_PEER, &nodeh, 3046 sizeof (picl_nodehdl_t))) { 3047 if (err != PICL_SUCCESS) 3048 return (err); 3049 3050 if (get_device_id(nodeh, &dev_id) != 0) 3051 continue; 3052 (void) ptree_init_propinfo(&pinfo, PTREE_PROPINFO_VERSION, 3053 PICL_PTYPE_UNSIGNED_INT, PICL_READ, sizeof (uint32_t), 3054 PICL_PROP_DEVICE_ID, NULL, NULL); 3055 (void) ptree_create_and_add_prop(nodeh, &pinfo, &dev_id, NULL); 3056 } 3057 3058 return (PICL_WALK_CONTINUE); 3059 } 3060 3061 /* 3062 * This function creates a DeviceID property for PCI/PCIEX child nodes 3063 * which can be correlated with the slot they are plugged into 3064 * on the motherboard. 3065 */ 3066 static void 3067 set_pci_pciex_deviceid(picl_nodehdl_t plafh) 3068 { 3069 (void) ptree_walk_tree_by_class(plafh, PICL_CLASS_PCI, NULL, 3070 add_pci_deviceids); 3071 3072 (void) ptree_walk_tree_by_class(plafh, PICL_CLASS_PCIEX, NULL, 3073 add_pci_deviceids); 3074 } 3075 3076 /* 3077 * Default UnitAddress encode function 3078 */ 3079 static int 3080 encode_default_unitaddr(char *buf, int sz, uint32_t *regprop, uint_t addrcells) 3081 { 3082 int i, len; 3083 3084 /* 3085 * Encode UnitAddress as %a,%b,%c,...,%n 3086 */ 3087 if (addrcells < 1) 3088 return (-1); 3089 3090 len = snprintf(buf, sz, "%x", *regprop); 3091 for (i = 1; i < addrcells && len < sz; i++) 3092 len += snprintf(&buf[len], sz-len, ",%x", regprop[i]); 3093 3094 return ((len >= sz) ? -1 : 0); 3095 } 3096 3097 /* 3098 * UnitAddress encode function where the last component is not printed 3099 * unless non-zero. 3100 */ 3101 static int 3102 encode_optional_unitaddr(char *buf, int sz, uint32_t *regprop, uint_t addrcells) 3103 { 3104 int retval; 3105 3106 /* 3107 * Encode UnitAddress as %a,%b,%c,...,%n where the last component 3108 * is printed only if non-zero. 3109 */ 3110 if (addrcells > 1 && regprop[addrcells-1] == 0) 3111 retval = encode_default_unitaddr(buf, sz, regprop, addrcells-1); 3112 else 3113 retval = encode_default_unitaddr(buf, sz, regprop, addrcells); 3114 3115 return (retval); 3116 } 3117 3118 3119 /* 3120 * UnitAddress encode function for SCSI class of devices 3121 */ 3122 static int 3123 encode_scsi_unitaddr(char *buf, int sz, uint32_t *regprop, uint_t addrcells) 3124 { 3125 int len, retval; 3126 3127 /* 3128 * #address-cells Format 3129 * 2 second component printed only if non-zero 3130 * 3131 * 4 regprop: phys_hi phys_lo lun_hi lun_lo 3132 * UnitAddr: w<phys_hi><phys_lo>,<lun_lo> 3133 */ 3134 3135 if (addrcells == 2) { 3136 retval = encode_optional_unitaddr(buf, sz, regprop, addrcells); 3137 } else if (addrcells == 4) { 3138 len = snprintf(buf, sz, "w%08x%08x,%x", regprop[0], regprop[1], 3139 regprop[3]); 3140 retval = (len >= sz) ? -1 : 0; 3141 } else 3142 retval = -1; 3143 3144 return (retval); 3145 } 3146 3147 /* 3148 * UnitAddress encode function for UPA devices 3149 */ 3150 static int 3151 encode_upa_unitaddr(char *buf, int sz, uint32_t *regprop, uint_t addrcells) 3152 { 3153 int len; 3154 3155 if (addrcells != 2) 3156 return (-1); 3157 3158 len = snprintf(buf, sz, "%x,%x", (regprop[0]/2)&0x1f, regprop[1]); 3159 return ((len >= sz) ? -1 : 0); 3160 } 3161 3162 /* 3163 * UnitAddress encode function for GPTWO, JBUS devices 3164 */ 3165 static int 3166 encode_gptwo_jbus_unitaddr(char *buf, int sz, uint32_t *regprop, 3167 uint_t addrcells) 3168 { 3169 uint32_t hi, lo; 3170 int len, id, off; 3171 3172 if (addrcells != 2) 3173 return (-1); 3174 3175 hi = regprop[0]; 3176 lo = regprop[1]; 3177 3178 if (hi & 0x400) { 3179 id = ((hi & 0x1) << 9) | (lo >> 23); /* agent id */ 3180 off = lo & 0x7fffff; /* config offset */ 3181 len = snprintf(buf, sz, "%x,%x", id, off); 3182 } else { 3183 len = snprintf(buf, sz, "m%x,%x", hi, lo); 3184 } 3185 return ((len >= sz) ? -1 : 0); 3186 } 3187 3188 /* 3189 * UnitAddress encode function for PCI devices 3190 */ 3191 static int 3192 encode_pci_unitaddr(char *buf, int sz, uint32_t *regprop, uint_t addrcells) 3193 { 3194 typedef struct { 3195 uint32_t n:1, /* relocatable */ 3196 p:1, /* prefetchable */ 3197 t:1, /* address region aliases */ 3198 zero:3, /* must be zero */ 3199 ss:2, /* address space type */ 3200 bus:8, /* bus number */ 3201 dev:5, /* device number */ 3202 fn:3, /* function number */ 3203 reg:8; /* register number */ 3204 uint32_t phys_hi; /* high physical address */ 3205 uint32_t phys_lo; /* low physical address */ 3206 } pci_addrcell_t; 3207 3208 pci_addrcell_t *p; 3209 int len; 3210 3211 if (addrcells != 3) 3212 return (-1); 3213 3214 p = (pci_addrcell_t *)regprop; 3215 switch (p->ss) { 3216 case 0: /* Config */ 3217 if (p->fn) 3218 len = snprintf(buf, sz, "%x,%x", p->dev, p->fn); 3219 else 3220 len = snprintf(buf, sz, "%x", p->dev); 3221 break; 3222 case 1: /* IO */ 3223 len = snprintf(buf, sz, "i%x,%x,%x,%x", p->dev, p->fn, p->reg, 3224 p->phys_lo); 3225 break; 3226 case 2: /* Mem32 */ 3227 len = snprintf(buf, sz, "m%x,%x,%x,%x", p->dev, p->fn, p->reg, 3228 p->phys_lo); 3229 break; 3230 case 3: /* Mem64 */ 3231 len = snprintf(buf, sz, "x%x,%x,%x,%x%08x", p->dev, p->fn, 3232 p->reg, p->phys_hi, p->phys_lo); 3233 break; 3234 } 3235 return ((len >= sz) ? -1 : 0); 3236 } 3237 3238 /* 3239 * Get #address-cells property value 3240 */ 3241 static uint_t 3242 get_addrcells_prop(picl_nodehdl_t nodeh) 3243 { 3244 int len, err; 3245 uint32_t addrcells; 3246 ptree_propinfo_t pinfo; 3247 picl_prophdl_t proph; 3248 3249 /* 3250 * Get #address-cells property. If not present, use default value. 3251 */ 3252 err = ptree_get_prop_by_name(nodeh, OBP_PROP_ADDRESS_CELLS, &proph); 3253 if (err == PICL_SUCCESS) 3254 err = ptree_get_propinfo(proph, &pinfo); 3255 3256 len = pinfo.piclinfo.size; 3257 if (err == PICL_SUCCESS && len >= sizeof (uint8_t) && 3258 len <= sizeof (addrcells)) { 3259 err = ptree_get_propval(proph, &addrcells, len); 3260 if (err == PICL_SUCCESS) { 3261 if (len == sizeof (uint8_t)) 3262 addrcells = *(uint8_t *)&addrcells; 3263 else if (len == sizeof (uint16_t)) 3264 addrcells = *(uint16_t *)&addrcells; 3265 } else 3266 addrcells = DEFAULT_ADDRESS_CELLS; 3267 } else 3268 addrcells = DEFAULT_ADDRESS_CELLS; 3269 3270 return (addrcells); 3271 } 3272 3273 /* 3274 * Get UnitAddress mapping entry for a node 3275 */ 3276 static unitaddr_map_t * 3277 get_unitaddr_mapping(picl_nodehdl_t nodeh) 3278 { 3279 int err; 3280 unitaddr_map_t *uamap; 3281 char clname[PICL_CLASSNAMELEN_MAX]; 3282 3283 /* 3284 * Get my classname and locate a function to translate "reg" prop 3285 * into "UnitAddress" prop for my children. 3286 */ 3287 err = ptree_get_propval_by_name(nodeh, PICL_PROP_CLASSNAME, clname, 3288 sizeof (clname)); 3289 if (err != PICL_SUCCESS) 3290 (void) strcpy(clname, ""); /* NULL class name */ 3291 3292 for (uamap = &unitaddr_map_table[0]; uamap->class != NULL; uamap++) 3293 if (strcmp(clname, uamap->class) == 0) 3294 break; 3295 3296 return (uamap); 3297 } 3298 3299 /* 3300 * Add UnitAddress property to the specified node 3301 */ 3302 static int 3303 add_unitaddr_prop(picl_nodehdl_t nodeh, unitaddr_map_t *uamap, uint_t addrcells) 3304 { 3305 int regproplen, err; 3306 uint32_t *regbuf; 3307 picl_prophdl_t regh; 3308 ptree_propinfo_t pinfo; 3309 char unitaddr[MAX_UNIT_ADDRESS_LEN]; 3310 3311 err = ptree_get_prop_by_name(nodeh, OBP_REG, ®h); 3312 if (err != PICL_SUCCESS) 3313 return (err); 3314 3315 err = ptree_get_propinfo(regh, &pinfo); 3316 if (err != PICL_SUCCESS) 3317 return (PICL_FAILURE); 3318 3319 if (pinfo.piclinfo.size < (addrcells * sizeof (uint32_t))) 3320 return (PICL_FAILURE); 3321 3322 regproplen = pinfo.piclinfo.size; 3323 regbuf = alloca(regproplen); 3324 if (regbuf == NULL) 3325 return (PICL_FAILURE); 3326 3327 err = ptree_get_propval(regh, regbuf, regproplen); 3328 if (err != PICL_SUCCESS || uamap->func == NULL || 3329 (uamap->addrcellcnt && uamap->addrcellcnt != addrcells) || 3330 (uamap->func)(unitaddr, sizeof (unitaddr), regbuf, 3331 addrcells) != 0) { 3332 return (PICL_FAILURE); 3333 } 3334 3335 err = ptree_init_propinfo(&pinfo, PTREE_PROPINFO_VERSION, 3336 PICL_PTYPE_CHARSTRING, PICL_READ, strlen(unitaddr)+1, 3337 PICL_PROP_UNIT_ADDRESS, NULL, NULL); 3338 if (err == PICL_SUCCESS) 3339 err = ptree_create_and_add_prop(nodeh, &pinfo, unitaddr, NULL); 3340 3341 return (err); 3342 } 3343 3344 /* 3345 * work out UnitAddress property of the specified node 3346 */ 3347 static int 3348 get_unitaddr(picl_nodehdl_t parh, picl_nodehdl_t nodeh, char *unitaddr, 3349 size_t ualen) 3350 { 3351 int regproplen, err; 3352 uint32_t *regbuf; 3353 picl_prophdl_t regh; 3354 ptree_propinfo_t pinfo; 3355 unitaddr_map_t *uamap; 3356 uint32_t addrcells; 3357 3358 addrcells = get_addrcells_prop(parh); 3359 uamap = get_unitaddr_mapping(parh); 3360 3361 err = ptree_get_prop_by_name(nodeh, OBP_REG, ®h); 3362 if (err != PICL_SUCCESS) 3363 return (err); 3364 3365 err = ptree_get_propinfo(regh, &pinfo); 3366 if (err != PICL_SUCCESS) 3367 return (err); 3368 3369 if (pinfo.piclinfo.size < (addrcells * sizeof (uint32_t))) 3370 return (PICL_FAILURE); 3371 3372 regproplen = pinfo.piclinfo.size; 3373 regbuf = alloca(regproplen); 3374 if (regbuf == NULL) 3375 return (PICL_FAILURE); 3376 3377 err = ptree_get_propval(regh, regbuf, regproplen); 3378 if (err != PICL_SUCCESS || uamap->func == NULL || 3379 (uamap->addrcellcnt && uamap->addrcellcnt != addrcells) || 3380 (uamap->func)(unitaddr, ualen, regbuf, addrcells) != 0) { 3381 return (PICL_FAILURE); 3382 } 3383 return (PICL_SUCCESS); 3384 } 3385 3386 /* 3387 * Add UnitAddress property to all children of the specified node 3388 */ 3389 static int 3390 add_unitaddr_prop_to_subtree(picl_nodehdl_t nodeh) 3391 { 3392 int err; 3393 picl_nodehdl_t chdh; 3394 unitaddr_map_t *uamap; 3395 uint32_t addrcells; 3396 3397 /* 3398 * Get #address-cells and unit address mapping entry for my 3399 * node's class 3400 */ 3401 addrcells = get_addrcells_prop(nodeh); 3402 uamap = get_unitaddr_mapping(nodeh); 3403 3404 /* 3405 * Add UnitAddress property to my children and their subtree 3406 */ 3407 err = ptree_get_propval_by_name(nodeh, PICL_PROP_CHILD, &chdh, 3408 sizeof (picl_nodehdl_t)); 3409 3410 while (err == PICL_SUCCESS) { 3411 (void) add_unitaddr_prop(chdh, uamap, addrcells); 3412 (void) add_unitaddr_prop_to_subtree(chdh); 3413 3414 err = ptree_get_propval_by_name(chdh, PICL_PROP_PEER, &chdh, 3415 sizeof (picl_nodehdl_t)); 3416 } 3417 3418 return (PICL_SUCCESS); 3419 } 3420 3421 static int 3422 update_memory_size_prop(picl_nodehdl_t plafh) 3423 { 3424 picl_nodehdl_t memh; 3425 picl_prophdl_t proph; 3426 ptree_propinfo_t pinfo; 3427 int err, nspecs, snum, pval; 3428 char *regbuf; 3429 memspecs_t *mspecs; 3430 uint64_t memsize; 3431 3432 /* 3433 * check if the #size-cells of the platform node is 2 3434 */ 3435 err = ptree_get_propval_by_name(plafh, OBP_PROP_SIZE_CELLS, &pval, 3436 sizeof (pval)); 3437 3438 if (err == PICL_PROPNOTFOUND) 3439 pval = SUPPORTED_NUM_CELL_SIZE; 3440 else if (err != PICL_SUCCESS) 3441 return (err); 3442 3443 /* 3444 * don't know how to handle other vals 3445 */ 3446 if (pval != SUPPORTED_NUM_CELL_SIZE) 3447 return (PICL_FAILURE); 3448 3449 err = ptree_get_node_by_path(MEMORY_PATH, &memh); 3450 if (err != PICL_SUCCESS) 3451 return (err); 3452 3453 /* 3454 * Get the REG property to calculate the size of memory 3455 */ 3456 err = ptree_get_prop_by_name(memh, OBP_REG, &proph); 3457 if (err != PICL_SUCCESS) 3458 return (err); 3459 3460 err = ptree_get_propinfo(proph, &pinfo); 3461 if (err != PICL_SUCCESS) 3462 return (err); 3463 3464 regbuf = alloca(pinfo.piclinfo.size); 3465 if (regbuf == NULL) 3466 return (PICL_FAILURE); 3467 3468 err = ptree_get_propval(proph, regbuf, pinfo.piclinfo.size); 3469 if (err != PICL_SUCCESS) 3470 return (err); 3471 3472 mspecs = (memspecs_t *)regbuf; 3473 nspecs = pinfo.piclinfo.size / sizeof (memspecs_t); 3474 3475 memsize = 0; 3476 for (snum = 0; snum < nspecs; ++snum) 3477 memsize += mspecs[snum].size; 3478 3479 err = ptree_get_prop_by_name(memh, PICL_PROP_SIZE, &proph); 3480 if (err == PICL_SUCCESS) { 3481 err = ptree_update_propval(proph, &memsize, sizeof (memsize)); 3482 return (err); 3483 } 3484 3485 /* 3486 * Add the size property 3487 */ 3488 (void) ptree_init_propinfo(&pinfo, PTREE_PROPINFO_VERSION, 3489 PICL_PTYPE_UNSIGNED_INT, PICL_READ, sizeof (memsize), 3490 PICL_PROP_SIZE, NULL, NULL); 3491 err = ptree_create_and_add_prop(memh, &pinfo, &memsize, NULL); 3492 return (err); 3493 } 3494 3495 /* 3496 * This function is executed as part of .init when the plugin is 3497 * dlopen()ed 3498 */ 3499 static void 3500 picldevtree_register(void) 3501 { 3502 if (getenv(SUNW_PICLDEVTREE_PLUGIN_DEBUG)) 3503 picldevtree_debug = 1; 3504 (void) picld_plugin_register(&my_reg_info); 3505 } 3506 3507 /* 3508 * This function is the init entry point of the plugin. 3509 * It initializes the /platform tree based on libdevinfo 3510 */ 3511 static void 3512 picldevtree_init(void) 3513 { 3514 picl_nodehdl_t rhdl; 3515 int err; 3516 struct utsname utsname; 3517 picl_nodehdl_t plafh; 3518 3519 if (uname(&utsname) < 0) 3520 return; 3521 3522 (void) strcpy(mach_name, utsname.machine); 3523 3524 if (strcmp(mach_name, "sun4u") == 0) { 3525 builtin_map_ptr = sun4u_map; 3526 builtin_map_size = sizeof (sun4u_map) / sizeof (builtin_map_t); 3527 } else if (strcmp(mach_name, "sun4v") == 0) { 3528 builtin_map_ptr = sun4u_map; 3529 builtin_map_size = sizeof (sun4u_map) / sizeof (builtin_map_t); 3530 } else if (strcmp(mach_name, "i86pc") == 0) { 3531 builtin_map_ptr = i86pc_map; 3532 builtin_map_size = sizeof (i86pc_map) / sizeof (builtin_map_t); 3533 } else { 3534 builtin_map_ptr = NULL; 3535 builtin_map_size = 0; 3536 } 3537 3538 err = ptree_get_root(&rhdl); 3539 if (err != PICL_SUCCESS) { 3540 syslog(LOG_ERR, DEVINFO_PLUGIN_INIT_FAILED); 3541 return; 3542 } 3543 3544 process_devtree_conf_file(); 3545 3546 if (libdevinfo_init(rhdl) != PICL_SUCCESS) { 3547 syslog(LOG_ERR, DEVINFO_PLUGIN_INIT_FAILED); 3548 return; 3549 } 3550 3551 err = ptree_get_node_by_path(PLATFORM_PATH, &plafh); 3552 if (err != PICL_SUCCESS) 3553 return; 3554 3555 (void) add_unitaddr_prop_to_subtree(plafh); 3556 3557 add_asr_nodes(); 3558 3559 (void) update_memory_size_prop(plafh); 3560 3561 (void) setup_cpus(plafh); 3562 3563 (void) add_ffb_config_info(plafh); 3564 3565 (void) add_platform_info(plafh); 3566 3567 set_pci_pciex_deviceid(plafh); 3568 3569 (void) set_sbus_slot(plafh); 3570 3571 (void) ptree_register_handler(PICLEVENT_SYSEVENT_DEVICE_ADDED, 3572 picldevtree_evhandler, NULL); 3573 (void) ptree_register_handler(PICLEVENT_SYSEVENT_DEVICE_REMOVED, 3574 picldevtree_evhandler, NULL); 3575 (void) ptree_register_handler(PICLEVENT_CPU_STATE_CHANGE, 3576 picldevtree_evhandler, NULL); 3577 (void) ptree_register_handler(PICLEVENT_DR_AP_STATE_CHANGE, 3578 picldevtree_evhandler, NULL); 3579 } 3580 3581 /* 3582 * This function is the fini entry point of the plugin 3583 */ 3584 static void 3585 picldevtree_fini(void) 3586 { 3587 /* First unregister the event handlers */ 3588 (void) ptree_unregister_handler(PICLEVENT_SYSEVENT_DEVICE_ADDED, 3589 picldevtree_evhandler, NULL); 3590 (void) ptree_unregister_handler(PICLEVENT_SYSEVENT_DEVICE_REMOVED, 3591 picldevtree_evhandler, NULL); 3592 (void) ptree_unregister_handler(PICLEVENT_CPU_STATE_CHANGE, 3593 picldevtree_evhandler, NULL); 3594 (void) ptree_unregister_handler(PICLEVENT_DR_AP_STATE_CHANGE, 3595 picldevtree_evhandler, NULL); 3596 3597 conf_name_class_map = free_conf_entries(conf_name_class_map); 3598 } 3599 3600 /* 3601 * This function is the event handler of this plug-in. 3602 * 3603 * It processes the following events: 3604 * 3605 * PICLEVENT_SYSEVENT_DEVICE_ADDED 3606 * PICLEVENT_SYSEVENT_DEVICE_REMOVED 3607 * PICLEVENT_CPU_STATE_CHANGE 3608 * PICLEVENT_DR_AP_STATE_CHANGE 3609 */ 3610 /* ARGSUSED */ 3611 static void 3612 picldevtree_evhandler(const char *ename, const void *earg, size_t size, 3613 void *cookie) 3614 { 3615 char *devfs_path; 3616 char ptreepath[PATH_MAX]; 3617 char dipath[PATH_MAX]; 3618 picl_nodehdl_t plafh; 3619 picl_nodehdl_t nodeh; 3620 nvlist_t *nvlp; 3621 3622 if ((earg == NULL) || 3623 (ptree_get_node_by_path(PLATFORM_PATH, &plafh) != PICL_SUCCESS)) 3624 return; 3625 3626 if (strcmp(ename, PICLEVENT_DR_AP_STATE_CHANGE) == 0) { 3627 (void) setup_cpus(plafh); 3628 if (picldevtree_debug > 1) 3629 syslog(LOG_INFO, "picldevtree: event handler done\n"); 3630 return; 3631 } 3632 3633 nvlp = NULL; 3634 if (nvlist_unpack((char *)earg, size, &nvlp, NULL) || 3635 nvlist_lookup_string(nvlp, PICLEVENTARG_DEVFS_PATH, &devfs_path) || 3636 strlen(devfs_path) > (PATH_MAX - sizeof (PLATFORM_PATH))) { 3637 syslog(LOG_INFO, PICL_EVENT_DROPPED, ename); 3638 nvlist_free(nvlp); 3639 return; 3640 } 3641 3642 (void) strlcpy(ptreepath, PLATFORM_PATH, PATH_MAX); 3643 (void) strlcat(ptreepath, devfs_path, PATH_MAX); 3644 (void) strlcpy(dipath, devfs_path, PATH_MAX); 3645 nvlist_free(nvlp); 3646 3647 if (picldevtree_debug) 3648 syslog(LOG_INFO, "picldevtree: event handler invoked ename:%s " 3649 "ptreepath:%s\n", ename, ptreepath); 3650 3651 if (strcmp(ename, PICLEVENT_CPU_STATE_CHANGE) == 0) { 3652 goto done; 3653 } 3654 if (strcmp(ename, PICLEVENT_SYSEVENT_DEVICE_ADDED) == 0) { 3655 di_node_t devnode; 3656 char *strp; 3657 picl_nodehdl_t parh; 3658 char nodeclass[PICL_CLASSNAMELEN_MAX]; 3659 char *nodename; 3660 int err; 3661 3662 /* If the node already exist, then nothing else to do here */ 3663 if (ptree_get_node_by_path(ptreepath, &nodeh) == PICL_SUCCESS) 3664 return; 3665 3666 /* Skip if unable to find parent PICL node handle */ 3667 parh = plafh; 3668 if (((strp = strrchr(ptreepath, '/')) != NULL) && 3669 (strp != strchr(ptreepath, '/'))) { 3670 *strp = '\0'; 3671 if (ptree_get_node_by_path(ptreepath, &parh) != 3672 PICL_SUCCESS) 3673 return; 3674 } 3675 3676 /* 3677 * If parent is the root node 3678 */ 3679 if (parh == plafh) { 3680 ph = di_prom_init(); 3681 devnode = di_init(dipath, DINFOCPYALL); 3682 if (devnode == DI_NODE_NIL) { 3683 if (ph != NULL) { 3684 di_prom_fini(ph); 3685 ph = NULL; 3686 } 3687 return; 3688 } 3689 nodename = di_node_name(devnode); 3690 if (nodename == NULL) { 3691 di_fini(devnode); 3692 if (ph != NULL) { 3693 di_prom_fini(ph); 3694 ph = NULL; 3695 } 3696 return; 3697 } 3698 3699 err = get_node_class(nodeclass, devnode, nodename); 3700 if (err < 0) { 3701 di_fini(devnode); 3702 if (ph != NULL) { 3703 di_prom_fini(ph); 3704 ph = NULL; 3705 } 3706 return; 3707 } 3708 err = construct_devtype_node(plafh, nodename, 3709 nodeclass, devnode, &nodeh); 3710 if (err != PICL_SUCCESS) { 3711 di_fini(devnode); 3712 if (ph != NULL) { 3713 di_prom_fini(ph); 3714 ph = NULL; 3715 } 3716 return; 3717 } 3718 (void) update_subtree(nodeh, devnode); 3719 (void) add_unitaddr_prop_to_subtree(nodeh); 3720 if (ph != NULL) { 3721 di_prom_fini(ph); 3722 ph = NULL; 3723 } 3724 di_fini(devnode); 3725 goto done; 3726 } 3727 3728 /* kludge ... try without bus-addr first */ 3729 if ((strp = strrchr(dipath, '@')) != NULL) { 3730 char *p; 3731 3732 p = strrchr(dipath, '/'); 3733 if (p != NULL && strp > p) { 3734 *strp = '\0'; 3735 devnode = di_init(dipath, DINFOCPYALL); 3736 if (devnode != DI_NODE_NIL) 3737 di_fini(devnode); 3738 *strp = '@'; 3739 } 3740 } 3741 /* Get parent devnode */ 3742 if ((strp = strrchr(dipath, '/')) != NULL) 3743 *++strp = '\0'; 3744 devnode = di_init(dipath, DINFOCPYALL); 3745 if (devnode == DI_NODE_NIL) 3746 return; 3747 ph = di_prom_init(); 3748 (void) update_subtree(parh, devnode); 3749 (void) add_unitaddr_prop_to_subtree(parh); 3750 if (ph) { 3751 di_prom_fini(ph); 3752 ph = NULL; 3753 } 3754 di_fini(devnode); 3755 } else if (strcmp(ename, PICLEVENT_SYSEVENT_DEVICE_REMOVED) == 0) { 3756 char delclass[PICL_CLASSNAMELEN_MAX]; 3757 char *strp; 3758 3759 /* 3760 * if final element of path doesn't have a unit address 3761 * then it is not uniquely identifiable - cannot remove 3762 */ 3763 if (((strp = strrchr(ptreepath, '/')) != NULL) && 3764 strchr(strp, '@') == NULL) 3765 return; 3766 3767 /* skip if can't find the node */ 3768 if (ptree_get_node_by_path(ptreepath, &nodeh) != PICL_SUCCESS) 3769 return; 3770 3771 if (ptree_delete_node(nodeh) != PICL_SUCCESS) 3772 return; 3773 3774 if (picldevtree_debug) 3775 syslog(LOG_INFO, 3776 "picldevtree: deleted node nodeh:%llx\n", nodeh); 3777 if ((ptree_get_propval_by_name(nodeh, 3778 PICL_PROP_CLASSNAME, delclass, PICL_CLASSNAMELEN_MAX) == 3779 PICL_SUCCESS) && IS_MC(delclass)) { 3780 if (post_mc_event(PICLEVENT_MC_REMOVED, nodeh) != 3781 PICL_SUCCESS) 3782 syslog(LOG_WARNING, PICL_EVENT_DROPPED, 3783 PICLEVENT_MC_REMOVED); 3784 } else 3785 (void) ptree_destroy_node(nodeh); 3786 } 3787 done: 3788 (void) setup_cpus(plafh); 3789 (void) add_ffb_config_info(plafh); 3790 set_pci_pciex_deviceid(plafh); 3791 (void) set_sbus_slot(plafh); 3792 if (picldevtree_debug > 1) 3793 syslog(LOG_INFO, "picldevtree: event handler done\n"); 3794 } 3795