1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved. 24 * Copyright 2012 Milan Jurik. All rights reserved. 25 * Copyright 2015 Nexenta Systems, Inc. All rights reserved. 26 * Copyright (c) 2018, Joyent, Inc. 27 */ 28 29 #include <alloca.h> 30 #include <dirent.h> 31 #include <devid.h> 32 #include <fm/libdiskstatus.h> 33 #include <inttypes.h> 34 #include <pthread.h> 35 #include <strings.h> 36 #include <string.h> 37 #include <unistd.h> 38 #include <sys/dkio.h> 39 #include <sys/fm/protocol.h> 40 #include <sys/libdevid.h> 41 #include <sys/scsi/scsi_types.h> 42 #include <sys/byteorder.h> 43 #include <pthread.h> 44 #include <signal.h> 45 #include <fcntl.h> 46 #include <sys/ctfs.h> 47 #include <libcontract.h> 48 #include <poll.h> 49 #include <sys/contract/device.h> 50 #include <libsysevent.h> 51 #include <sys/sysevent/eventdefs.h> 52 #include <scsi/plugins/ses/vendor/sun.h> 53 54 #include "disk.h" 55 #include "ses.h" 56 57 #define SES_VERSION 1 58 59 #define SES_STARTING_SUBCHASSIS 256 /* valid subchassis IDs are uint8_t */ 60 #define NO_SUBCHASSIS ((uint64_t)-1) 61 62 static int ses_snap_freq = 250; /* in milliseconds */ 63 64 #define SES_STATUS_UNAVAIL(s) \ 65 ((s) == SES_ESC_UNSUPPORTED || (s) >= SES_ESC_NOT_INSTALLED) 66 67 #define HR_SECOND 1000000000 68 69 /* 70 * Because multiple SES targets can be part of a single chassis, we construct 71 * our own hierarchy that takes this into account. These SES targets may refer 72 * to the same devices (multiple paths) or to different devices (managing 73 * different portions of the space). We arrange things into a 74 * ses_enum_enclosure_t, which contains a set of ses targets, and a list of all 75 * nodes found so far. 76 */ 77 typedef struct ses_alt_node { 78 topo_list_t san_link; 79 ses_node_t *san_node; 80 } ses_alt_node_t; 81 82 typedef struct ses_enum_node { 83 topo_list_t sen_link; 84 ses_node_t *sen_node; 85 topo_list_t sen_alt_nodes; 86 uint64_t sen_type; 87 uint64_t sen_instance; 88 ses_enum_target_t *sen_target; 89 } ses_enum_node_t; 90 91 typedef struct ses_enum_chassis { 92 topo_list_t sec_link; 93 topo_list_t sec_subchassis; 94 topo_list_t sec_nodes; 95 topo_list_t sec_targets; 96 const char *sec_csn; 97 ses_node_t *sec_enclosure; 98 ses_enum_target_t *sec_target; 99 topo_instance_t sec_instance; 100 topo_instance_t sec_scinstance; 101 topo_instance_t sec_maxinstance; 102 boolean_t sec_hasdev; 103 boolean_t sec_internal; 104 } ses_enum_chassis_t; 105 106 typedef struct ses_enum_data { 107 topo_list_t sed_devs; 108 topo_list_t sed_chassis; 109 ses_enum_chassis_t *sed_current; 110 ses_enum_target_t *sed_target; 111 int sed_errno; 112 char *sed_name; 113 topo_mod_t *sed_mod; 114 topo_instance_t sed_instance; 115 } ses_enum_data_t; 116 117 typedef struct sas_connector_phy_data { 118 uint64_t scpd_index; 119 uint64_t scpd_pm; 120 } sas_connector_phy_data_t; 121 122 typedef struct sas_connector_type { 123 uint64_t sct_type; 124 char *sct_name; 125 } sas_connector_type_t; 126 127 static const sas_connector_type_t sas_connector_type_list[] = { 128 { 0x0, "Information unknown" }, 129 { 0x1, "External SAS 4x receptacle (see SAS-2 and SFF-8470)" }, 130 { 0x2, "Exteranl Mini SAS 4x receptacle (see SAS-2 and SFF-8088)" }, 131 { 0x3, "QSFP+ receptacle (see SAS-2.1 and SFF-8436)" }, 132 { 0x4, "Mini SAS 4x active receptacle (see SAS-2.1 and SFF-8088)" }, 133 { 0x5, "Mini SAS HD 4x receptacle (see SAS-2.1 and SFF-8644)" }, 134 { 0x6, "Mini SAS HD 8x receptacle (see SAS-2.1 and SFF-8644)" }, 135 { 0x7, "Mini SAS HD 16x receptacle (see SAS-2.1 and SFF-8644)" }, 136 { 0xF, "Vendor-specific external connector" }, 137 { 0x10, "Internal wide SAS 4i plug (see SAS-2 and SFF-8484)" }, 138 { 0x11, 139 "Internal wide Mini SAS 4i receptacle (see SAS-2 and SFF-8087)" }, 140 { 0x12, "Mini SAS HD 4i receptacle (see SAS-2.1 and SFF-8643)" }, 141 { 0x20, "Internal SAS Drive receptacle (see SAS-2 and SFF-8482)" }, 142 { 0x21, "Internal SATA host plug (see SAS-2 and SATA-2)" }, 143 { 0x22, "Internal SAS Drive plug (see SAS-2 and SFF-8482)" }, 144 { 0x23, "Internal SATA device plug (see SAS-2 and SATA-2)" }, 145 { 0x24, "Micro SAS receptacle (see SAS-2.14)" }, 146 { 0x25, "Micro SATA device plug (see SAS-2.1 and SATA)" }, 147 { 0x26, "Micro SAS plug (see SAS-2.1 and SFF-8486)" }, 148 { 0x27, "Micro SAS/SATA plug (see SAS-2.1 and SFF-8486)" }, 149 { 0x28, 150 "12 Gb/s SAS Drive backplane receptacle (see SAS-34 and SFF-8680)" }, 151 { 0x29, "12Gb/s SAS Drive Plug (see SAS-3 and SFF-8680)" }, 152 { 0x2A, "Multifunction 12 Gb/s 6x Unshielded receptacle connector " 153 "receptacle (see SAS-3 and SFF-8639)" }, 154 { 0x2B, "Multifunction 12 Gb/s 6x Unshielded receptable connector " 155 "plug (see SAS-3 and SFF-8639)" }, 156 { 0x2F, "Internal SAS virtual connector" }, 157 { 0x3F, "Vendor-specific internal connector" }, 158 { 0x70, "Other Vendor-specific connector" }, 159 { 0x71, "Other Vendor-specific connector" }, 160 { 0x72, "Other Vendor-specific connector" }, 161 { 0x73, "Other Vendor-specific connector" }, 162 { 0x74, "Other Vendor-specific connector" }, 163 { 0x75, "Other Vendor-specific connector" }, 164 { 0x76, "Other Vendor-specific connector" }, 165 { 0x77, "Other Vendor-specific connector" }, 166 { 0x78, "Other Vendor-specific connector" }, 167 { 0x79, "Other Vendor-specific connector" }, 168 { 0x7A, "Other Vendor-specific connector" }, 169 { 0x7B, "Other Vendor-specific connector" }, 170 { 0x7C, "Other Vendor-specific connector" }, 171 { 0x7D, "Other Vendor-specific connector" }, 172 { 0x7E, "Other Vendor-specific connector" }, 173 { 0x7F, "Other Vendor-specific connector" }, 174 { 0x80, "Not Defined" } 175 }; 176 177 #define SAS_CONNECTOR_TYPE_CODE_NOT_DEFINED 0x80 178 #define SAS_CONNECTOR_TYPE_NOT_DEFINED \ 179 "Connector type not defined by SES-2 standard" 180 #define SAS_CONNECTOR_TYPE_RESERVED \ 181 "Connector type reserved by SES-2 standard" 182 183 typedef struct phys_enum_type { 184 uint64_t pet_type; 185 char *pet_nodename; 186 char *pet_defaultlabel; 187 boolean_t pet_dorange; 188 } phys_enum_type_t; 189 190 static const phys_enum_type_t phys_enum_type_list[] = { 191 { SES_ET_ARRAY_DEVICE, BAY, "BAY", B_TRUE }, 192 { SES_ET_COOLING, FAN, "FAN", B_TRUE }, 193 { SES_ET_DEVICE, BAY, "BAY", B_TRUE }, 194 { SES_ET_ESC_ELECTRONICS, CONTROLLER, "CONTROLLER", B_TRUE }, 195 { SES_ET_POWER_SUPPLY, PSU, "PSU", B_TRUE }, 196 { SES_ET_SUNW_FANBOARD, FANBOARD, "FANBOARD", B_TRUE }, 197 { SES_ET_SUNW_FANMODULE, FANMODULE, "FANMODULE", B_TRUE }, 198 { SES_ET_SUNW_POWERBOARD, POWERBOARD, "POWERBOARD", B_TRUE }, 199 { SES_ET_SUNW_POWERMODULE, POWERMODULE, "POWERMODULE", B_TRUE } 200 }; 201 202 #define N_PHYS_ENUM_TYPES (sizeof (phys_enum_type_list) / \ 203 sizeof (phys_enum_type_list[0])) 204 205 /* 206 * Structure for the hierarchical tree for element nodes. 207 */ 208 typedef struct ses_phys_tree { 209 ses_node_t *spt_snode; 210 ses_enum_node_t *spt_senumnode; 211 boolean_t spt_isfru; 212 uint64_t spt_eonlyindex; 213 uint64_t spt_cindex; 214 uint64_t spt_pindex; 215 uint64_t spt_maxinst; 216 struct ses_phys_tree *spt_parent; 217 struct ses_phys_tree *spt_child; 218 struct ses_phys_tree *spt_sibling; 219 tnode_t *spt_tnode; 220 } ses_phys_tree_t; 221 222 typedef enum { 223 SES_NEW_CHASSIS = 0x1, 224 SES_NEW_SUBCHASSIS = 0x2, 225 SES_DUP_CHASSIS = 0x4, 226 SES_DUP_SUBCHASSIS = 0x8 227 } ses_chassis_type_e; 228 229 230 static const topo_pgroup_info_t storage_pgroup = { 231 TOPO_PGROUP_STORAGE, 232 TOPO_STABILITY_PRIVATE, 233 TOPO_STABILITY_PRIVATE, 234 1 235 }; 236 237 static const topo_pgroup_info_t smp_pgroup = { 238 TOPO_PGROUP_SMP, 239 TOPO_STABILITY_PRIVATE, 240 TOPO_STABILITY_PRIVATE, 241 1 242 }; 243 244 static const topo_pgroup_info_t ses_pgroup = { 245 TOPO_PGROUP_SES, 246 TOPO_STABILITY_PRIVATE, 247 TOPO_STABILITY_PRIVATE, 248 1 249 }; 250 251 static int ses_present(topo_mod_t *, tnode_t *, topo_version_t, nvlist_t *, 252 nvlist_t **); 253 static int ses_contains(topo_mod_t *, tnode_t *, topo_version_t, nvlist_t *, 254 nvlist_t **); 255 256 static const topo_method_t ses_component_methods[] = { 257 { TOPO_METH_PRESENT, TOPO_METH_PRESENT_DESC, 258 TOPO_METH_PRESENT_VERSION0, TOPO_STABILITY_INTERNAL, ses_present }, 259 { TOPO_METH_FAC_ENUM, TOPO_METH_FAC_ENUM_DESC, 0, 260 TOPO_STABILITY_INTERNAL, ses_node_enum_facility }, 261 { TOPO_METH_SENSOR_FAILURE, TOPO_METH_SENSOR_FAILURE_DESC, 262 TOPO_METH_SENSOR_FAILURE_VERSION, TOPO_STABILITY_INTERNAL, 263 topo_method_sensor_failure }, 264 { NULL } 265 }; 266 267 static const topo_method_t ses_bay_methods[] = { 268 { TOPO_METH_FAC_ENUM, TOPO_METH_FAC_ENUM_DESC, 0, 269 TOPO_STABILITY_INTERNAL, ses_node_enum_facility }, 270 { NULL } 271 }; 272 273 static const topo_method_t ses_enclosure_methods[] = { 274 { TOPO_METH_CONTAINS, TOPO_METH_CONTAINS_DESC, 275 TOPO_METH_CONTAINS_VERSION, TOPO_STABILITY_INTERNAL, ses_contains }, 276 { TOPO_METH_FAC_ENUM, TOPO_METH_FAC_ENUM_DESC, 0, 277 TOPO_STABILITY_INTERNAL, ses_enc_enum_facility }, 278 { NULL } 279 }; 280 281 /* 282 * Functions for tracking ses devices which we were unable to open. We retry 283 * these at regular intervals using ses_recheck_dir() and if we find that we 284 * can now open any of them then we send a sysevent to indicate that a new topo 285 * snapshot should be taken. 286 */ 287 typedef struct ses_open_fail_list { 288 struct ses_open_fail_list *sof_next; 289 char *sof_path; 290 } ses_open_fail_list_t; 291 292 static ses_open_fail_list_t *ses_sofh; 293 static pthread_mutex_t ses_sofmt; 294 static void ses_ct_print(char *ptr); 295 296 static void 297 ses_recheck_dir() 298 { 299 ses_target_t *target; 300 sysevent_id_t eid; 301 char buf[80]; 302 ses_open_fail_list_t *sof; 303 304 /* 305 * check list of "unable to open" devices 306 */ 307 (void) pthread_mutex_lock(&ses_sofmt); 308 for (sof = ses_sofh; sof != NULL; sof = sof->sof_next) { 309 /* 310 * see if we can open it now 311 */ 312 if ((target = ses_open(LIBSES_VERSION, 313 sof->sof_path)) == NULL) { 314 (void) snprintf(buf, sizeof (buf), 315 "recheck_dir - still can't open %s", sof->sof_path); 316 ses_ct_print(buf); 317 continue; 318 } 319 320 /* 321 * ok - better force a new snapshot 322 */ 323 (void) snprintf(buf, sizeof (buf), 324 "recheck_dir - can now open %s", sof->sof_path); 325 ses_ct_print(buf); 326 (void) sysevent_post_event(EC_PLATFORM, ESC_PLATFORM_SP_RESET, 327 SUNW_VENDOR, "fmd", NULL, &eid); 328 ses_close(target); 329 break; 330 } 331 (void) pthread_mutex_unlock(&ses_sofmt); 332 } 333 334 static void 335 ses_sof_alloc(topo_mod_t *mod, char *path) 336 { 337 ses_open_fail_list_t *sof; 338 339 (void) pthread_mutex_lock(&ses_sofmt); 340 sof = topo_mod_zalloc(mod, sizeof (*sof)); 341 topo_mod_dprintf(mod, "sof_alloc %s", path); 342 sof->sof_path = path; 343 sof->sof_next = ses_sofh; 344 ses_sofh = sof; 345 (void) pthread_mutex_unlock(&ses_sofmt); 346 } 347 348 static void 349 ses_sof_freeall(topo_mod_t *mod) 350 { 351 ses_open_fail_list_t *sof, *next_sof; 352 353 (void) pthread_mutex_lock(&ses_sofmt); 354 for (sof = ses_sofh; sof != NULL; sof = next_sof) { 355 next_sof = sof->sof_next; 356 topo_mod_dprintf(mod, "sof_freeall %s", sof->sof_path); 357 topo_mod_strfree(mod, sof->sof_path); 358 topo_mod_free(mod, sof, sizeof (*sof)); 359 } 360 ses_sofh = NULL; 361 (void) pthread_mutex_unlock(&ses_sofmt); 362 } 363 364 /* 365 * functions for verifying that the ses_enum_target_t held in a device 366 * contract's cookie field is still valid (it may have been freed by 367 * ses_release()). 368 */ 369 typedef struct ses_stp_list { 370 struct ses_stp_list *ssl_next; 371 ses_enum_target_t *ssl_tgt; 372 } ses_stp_list_t; 373 374 static ses_stp_list_t *ses_sslh; 375 static pthread_mutex_t ses_sslmt; 376 377 static void 378 ses_ssl_alloc(topo_mod_t *mod, ses_enum_target_t *stp) 379 { 380 ses_stp_list_t *ssl; 381 382 (void) pthread_mutex_lock(&ses_sslmt); 383 ssl = topo_mod_zalloc(mod, sizeof (*ssl)); 384 topo_mod_dprintf(mod, "ssl_alloc %p", stp); 385 ssl->ssl_tgt = stp; 386 ssl->ssl_next = ses_sslh; 387 ses_sslh = ssl; 388 (void) pthread_mutex_unlock(&ses_sslmt); 389 } 390 391 static void 392 ses_ssl_free(topo_mod_t *mod, ses_enum_target_t *stp) 393 { 394 ses_stp_list_t *ssl, *prev_ssl; 395 396 (void) pthread_mutex_lock(&ses_sslmt); 397 prev_ssl = NULL; 398 for (ssl = ses_sslh; ssl != NULL; ssl = ssl->ssl_next) { 399 if (ssl->ssl_tgt == stp) { 400 topo_mod_dprintf(mod, "ssl_free %p", ssl->ssl_tgt); 401 if (prev_ssl == NULL) 402 ses_sslh = ssl->ssl_next; 403 else 404 prev_ssl->ssl_next = ssl->ssl_next; 405 topo_mod_free(mod, ssl, sizeof (*ssl)); 406 break; 407 } 408 prev_ssl = ssl; 409 } 410 (void) pthread_mutex_unlock(&ses_sslmt); 411 } 412 413 static int 414 ses_ssl_valid(ses_enum_target_t *stp) 415 { 416 ses_stp_list_t *ssl; 417 418 for (ssl = ses_sslh; ssl != NULL; ssl = ssl->ssl_next) 419 if (ssl->ssl_tgt == stp) 420 return (1); 421 return (0); 422 } 423 424 /* 425 * Functions for creating and destroying a background thread 426 * (ses_contract_thread) used for detecting when ses devices have been 427 * retired/unretired. 428 */ 429 static struct ses_thread_s { 430 pthread_mutex_t mt; 431 pthread_t tid; 432 int thr_sig; 433 int doexit; 434 int count; 435 } sesthread = { 436 PTHREAD_MUTEX_INITIALIZER, 437 0, 438 SIGTERM, 439 0, 440 0 441 }; 442 443 typedef struct ses_mod_list { 444 struct ses_mod_list *smod_next; 445 topo_mod_t *smod_mod; 446 } ses_mod_list_t; 447 448 static ses_mod_list_t *ses_smod; 449 450 static void 451 ses_ct_print(char *ptr) 452 { 453 (void) pthread_mutex_lock(&sesthread.mt); 454 if (ses_smod != NULL && ses_smod->smod_mod != NULL) 455 topo_mod_dprintf(ses_smod->smod_mod, ptr); 456 (void) pthread_mutex_unlock(&sesthread.mt); 457 } 458 459 /*ARGSUSED*/ 460 static void * 461 ses_contract_thread(void *arg) 462 { 463 int efd, ctlfd, statfd; 464 ct_evthdl_t ev; 465 ctevid_t evid; 466 uint_t event; 467 char path[PATH_MAX]; 468 char buf[80]; 469 ses_enum_target_t *stp; 470 ct_stathdl_t stathdl; 471 ctid_t ctid; 472 struct pollfd fds; 473 int pollret; 474 sigset_t sigset; 475 476 ses_ct_print("start contract event thread"); 477 efd = open64(CTFS_ROOT "/device/pbundle", O_RDONLY); 478 fds.fd = efd; 479 fds.events = POLLIN; 480 fds.revents = 0; 481 sigaddset(&sigset, sesthread.thr_sig); 482 pthread_sigmask(SIG_UNBLOCK, &sigset, NULL); 483 for (;;) { 484 /* check if we've been asked to exit */ 485 (void) pthread_mutex_lock(&sesthread.mt); 486 if (sesthread.doexit) { 487 (void) pthread_mutex_unlock(&sesthread.mt); 488 break; 489 } 490 (void) pthread_mutex_unlock(&sesthread.mt); 491 492 /* poll until an event arrives */ 493 if ((pollret = poll(&fds, 1, 10000)) <= 0) { 494 if (pollret == 0) 495 ses_recheck_dir(); 496 continue; 497 } 498 499 /* read the event */ 500 (void) pthread_mutex_lock(&ses_sslmt); 501 ses_ct_print("read contract event"); 502 if (ct_event_read(efd, &ev) != 0) { 503 (void) pthread_mutex_unlock(&ses_sslmt); 504 continue; 505 } 506 507 /* see if it is an event we are expecting */ 508 ctid = ct_event_get_ctid(ev); 509 (void) snprintf(buf, sizeof (buf), 510 "got contract event ctid=%d", ctid); 511 ses_ct_print(buf); 512 event = ct_event_get_type(ev); 513 if (event != CT_DEV_EV_OFFLINE && event != CT_EV_NEGEND) { 514 (void) snprintf(buf, sizeof (buf), 515 "bad contract event %x", event); 516 ses_ct_print(buf); 517 ct_event_free(ev); 518 (void) pthread_mutex_unlock(&ses_sslmt); 519 continue; 520 } 521 522 /* find target pointer saved in cookie */ 523 evid = ct_event_get_evid(ev); 524 (void) snprintf(path, PATH_MAX, CTFS_ROOT "/device/%ld/status", 525 ctid); 526 statfd = open64(path, O_RDONLY); 527 (void) ct_status_read(statfd, CTD_COMMON, &stathdl); 528 stp = (ses_enum_target_t *)(uintptr_t) 529 ct_status_get_cookie(stathdl); 530 ct_status_free(stathdl); 531 (void) close(statfd); 532 533 /* check if target pointer is still valid */ 534 if (ses_ssl_valid(stp) == 0) { 535 (void) snprintf(buf, sizeof (buf), 536 "contract already abandoned %x", event); 537 ses_ct_print(buf); 538 (void) snprintf(path, PATH_MAX, 539 CTFS_ROOT "/device/%ld/ctl", ctid); 540 ctlfd = open64(path, O_WRONLY); 541 if (event != CT_EV_NEGEND) 542 (void) ct_ctl_ack(ctlfd, evid); 543 else 544 (void) ct_ctl_abandon(ctlfd); 545 (void) close(ctlfd); 546 ct_event_free(ev); 547 (void) pthread_mutex_unlock(&ses_sslmt); 548 continue; 549 } 550 551 /* find control device for ack/abandon */ 552 (void) pthread_mutex_lock(&stp->set_lock); 553 (void) snprintf(path, PATH_MAX, CTFS_ROOT "/device/%ld/ctl", 554 ctid); 555 ctlfd = open64(path, O_WRONLY); 556 if (event != CT_EV_NEGEND) { 557 /* if this is an offline event, do the offline */ 558 ses_ct_print("got contract offline event"); 559 if (stp->set_target) { 560 ses_ct_print("contract thread rele"); 561 ses_snap_rele(stp->set_snap); 562 ses_close(stp->set_target); 563 stp->set_target = NULL; 564 } 565 (void) ct_ctl_ack(ctlfd, evid); 566 } else { 567 /* if this is the negend, then abandon the contract */ 568 ses_ct_print("got contract negend"); 569 if (stp->set_ctid) { 570 (void) snprintf(buf, sizeof (buf), 571 "abandon old contract %d", stp->set_ctid); 572 ses_ct_print(buf); 573 stp->set_ctid = NULL; 574 } 575 (void) ct_ctl_abandon(ctlfd); 576 } 577 (void) close(ctlfd); 578 (void) pthread_mutex_unlock(&stp->set_lock); 579 ct_event_free(ev); 580 (void) pthread_mutex_unlock(&ses_sslmt); 581 } 582 (void) close(efd); 583 return (NULL); 584 } 585 586 int 587 find_thr_sig(void) 588 { 589 int i; 590 sigset_t oset, rset; 591 int sig[] = {SIGTERM, SIGUSR1, SIGUSR2}; 592 int sig_sz = sizeof (sig) / sizeof (int); 593 int rc = SIGTERM; 594 595 /* prefered set of signals that are likely used to terminate threads */ 596 (void) sigemptyset(&oset); 597 (void) pthread_sigmask(SIG_SETMASK, NULL, &oset); 598 for (i = 0; i < sig_sz; i++) { 599 if (sigismember(&oset, sig[i]) == 0) { 600 return (sig[i]); 601 } 602 } 603 604 /* reserved set of signals that are not allowed to terminate thread */ 605 (void) sigemptyset(&rset); 606 (void) sigaddset(&rset, SIGABRT); 607 (void) sigaddset(&rset, SIGKILL); 608 (void) sigaddset(&rset, SIGSTOP); 609 (void) sigaddset(&rset, SIGCANCEL); 610 611 /* Find signal that is not masked and not in the reserved list. */ 612 for (i = 1; i < MAXSIG; i++) { 613 if (sigismember(&rset, i) == 1) { 614 continue; 615 } 616 if (sigismember(&oset, i) == 0) { 617 return (i); 618 } 619 } 620 621 return (rc); 622 } 623 624 /*ARGSUSED*/ 625 static void 626 ses_handler(int sig) 627 { 628 } 629 630 static void 631 ses_thread_init(topo_mod_t *mod) 632 { 633 pthread_attr_t *attr = NULL; 634 struct sigaction act; 635 ses_mod_list_t *smod; 636 637 (void) pthread_mutex_lock(&sesthread.mt); 638 sesthread.count++; 639 smod = topo_mod_zalloc(mod, sizeof (*smod)); 640 smod->smod_mod = mod; 641 smod->smod_next = ses_smod; 642 ses_smod = smod; 643 if (sesthread.tid == 0) { 644 /* find a suitable signal to use for killing the thread below */ 645 sesthread.thr_sig = find_thr_sig(); 646 647 /* if don't have a handler for this signal, create one */ 648 (void) sigaction(sesthread.thr_sig, NULL, &act); 649 if (act.sa_handler == SIG_DFL || act.sa_handler == SIG_IGN) 650 act.sa_handler = ses_handler; 651 (void) sigaction(sesthread.thr_sig, &act, NULL); 652 653 /* create a thread to listen for offline events */ 654 (void) pthread_create(&sesthread.tid, 655 attr, ses_contract_thread, NULL); 656 } 657 (void) pthread_mutex_unlock(&sesthread.mt); 658 } 659 660 static void 661 ses_thread_fini(topo_mod_t *mod) 662 { 663 ses_mod_list_t *smod, *prev_smod; 664 665 (void) pthread_mutex_lock(&sesthread.mt); 666 prev_smod = NULL; 667 for (smod = ses_smod; smod != NULL; smod = smod->smod_next) { 668 if (smod->smod_mod == mod) { 669 if (prev_smod == NULL) 670 ses_smod = smod->smod_next; 671 else 672 prev_smod->smod_next = smod->smod_next; 673 topo_mod_free(mod, smod, sizeof (*smod)); 674 break; 675 } 676 prev_smod = smod; 677 } 678 if (--sesthread.count > 0) { 679 (void) pthread_mutex_unlock(&sesthread.mt); 680 return; 681 } 682 sesthread.doexit = 1; 683 (void) pthread_mutex_unlock(&sesthread.mt); 684 (void) pthread_kill(sesthread.tid, sesthread.thr_sig); 685 (void) pthread_join(sesthread.tid, NULL); 686 sesthread.tid = 0; 687 } 688 689 static void 690 ses_create_contract(topo_mod_t *mod, ses_enum_target_t *stp) 691 { 692 int tfd, len, rval; 693 char link_path[PATH_MAX]; 694 695 stp->set_ctid = NULL; 696 697 /* convert "/dev" path into "/devices" path */ 698 if ((len = readlink(stp->set_devpath, link_path, PATH_MAX)) < 0) { 699 topo_mod_dprintf(mod, "readlink failed"); 700 return; 701 } 702 link_path[len] = '\0'; 703 704 /* set up template to create new contract */ 705 tfd = open64(CTFS_ROOT "/device/template", O_RDWR); 706 (void) ct_tmpl_set_critical(tfd, CT_DEV_EV_OFFLINE); 707 (void) ct_tmpl_set_cookie(tfd, (uint64_t)(uintptr_t)stp); 708 709 /* strip "../../devices" off the front and create the contract */ 710 if ((rval = ct_dev_tmpl_set_minor(tfd, &link_path[13])) != 0) 711 topo_mod_dprintf(mod, "failed to set minor %s rval = %d", 712 &link_path[13], rval); 713 else if ((rval = ct_tmpl_create(tfd, &stp->set_ctid)) != 0) 714 topo_mod_dprintf(mod, "failed to create ctid rval = %d", rval); 715 else 716 topo_mod_dprintf(mod, "created ctid=%d", stp->set_ctid); 717 (void) close(tfd); 718 } 719 720 static void 721 ses_target_free(topo_mod_t *mod, ses_enum_target_t *stp) 722 { 723 if (--stp->set_refcount == 0) { 724 /* check if already closed due to contract offline request */ 725 (void) pthread_mutex_lock(&stp->set_lock); 726 if (stp->set_target) { 727 ses_snap_rele(stp->set_snap); 728 ses_close(stp->set_target); 729 stp->set_target = NULL; 730 } 731 if (stp->set_ctid) { 732 int ctlfd; 733 char path[PATH_MAX]; 734 735 topo_mod_dprintf(mod, "abandon old contract %d", 736 stp->set_ctid); 737 (void) snprintf(path, PATH_MAX, 738 CTFS_ROOT "/device/%ld/ctl", stp->set_ctid); 739 ctlfd = open64(path, O_WRONLY); 740 (void) ct_ctl_abandon(ctlfd); 741 (void) close(ctlfd); 742 stp->set_ctid = NULL; 743 } 744 (void) pthread_mutex_unlock(&stp->set_lock); 745 ses_ssl_free(mod, stp); 746 topo_mod_strfree(mod, stp->set_devpath); 747 topo_mod_free(mod, stp, sizeof (ses_enum_target_t)); 748 } 749 } 750 751 static void 752 ses_data_free(ses_enum_data_t *sdp, ses_enum_chassis_t *pcp) 753 { 754 topo_mod_t *mod = sdp->sed_mod; 755 ses_enum_chassis_t *cp; 756 ses_enum_node_t *np; 757 ses_enum_target_t *tp; 758 ses_alt_node_t *ap; 759 topo_list_t *cpl; 760 761 762 if (pcp != NULL) 763 cpl = &pcp->sec_subchassis; 764 else 765 cpl = &sdp->sed_chassis; 766 767 while ((cp = topo_list_next(cpl)) != NULL) { 768 topo_list_delete(cpl, cp); 769 770 while ((np = topo_list_next(&cp->sec_nodes)) != NULL) { 771 while ((ap = topo_list_next(&np->sen_alt_nodes)) != 772 NULL) { 773 topo_list_delete(&np->sen_alt_nodes, ap); 774 topo_mod_free(mod, ap, sizeof (ses_alt_node_t)); 775 } 776 topo_list_delete(&cp->sec_nodes, np); 777 topo_mod_free(mod, np, sizeof (ses_enum_node_t)); 778 } 779 780 while ((tp = topo_list_next(&cp->sec_targets)) != NULL) { 781 topo_list_delete(&cp->sec_targets, tp); 782 ses_target_free(mod, tp); 783 } 784 785 topo_mod_free(mod, cp, sizeof (ses_enum_chassis_t)); 786 } 787 788 if (pcp == NULL) { 789 dev_list_free(mod, &sdp->sed_devs); 790 topo_mod_free(mod, sdp, sizeof (ses_enum_data_t)); 791 } 792 } 793 794 /* 795 * For enclosure nodes, we have a special contains method. By default, the hc 796 * walker will compare the node name and instance number to determine if an 797 * FMRI matches. For enclosures where the enumeration order is impossible to 798 * predict, we instead use the chassis-id as a unique identifier, and ignore 799 * the instance number. 800 */ 801 static int 802 fmri_contains(topo_mod_t *mod, nvlist_t *nv1, nvlist_t *nv2) 803 { 804 uint8_t v1, v2; 805 nvlist_t **hcp1, **hcp2; 806 int err, i; 807 uint_t nhcp1, nhcp2; 808 nvlist_t *a1, *a2; 809 char *c1, *c2; 810 int mindepth; 811 812 if (nvlist_lookup_uint8(nv1, FM_VERSION, &v1) != 0 || 813 nvlist_lookup_uint8(nv2, FM_VERSION, &v2) != 0 || 814 v1 > FM_HC_SCHEME_VERSION || v2 > FM_HC_SCHEME_VERSION) 815 return (topo_mod_seterrno(mod, EMOD_FMRI_VERSION)); 816 817 err = nvlist_lookup_nvlist_array(nv1, FM_FMRI_HC_LIST, &hcp1, &nhcp1); 818 err |= nvlist_lookup_nvlist_array(nv2, FM_FMRI_HC_LIST, &hcp2, &nhcp2); 819 if (err != 0) 820 return (topo_mod_seterrno(mod, EMOD_FMRI_NVL)); 821 822 /* 823 * If the chassis-id doesn't match, then these FMRIs are not 824 * equivalent. If one of the FMRIs doesn't have a chassis ID, then we 825 * have no choice but to fall back to the instance ID. 826 */ 827 if (nvlist_lookup_nvlist(nv1, FM_FMRI_AUTHORITY, &a1) == 0 && 828 nvlist_lookup_nvlist(nv2, FM_FMRI_AUTHORITY, &a2) == 0 && 829 nvlist_lookup_string(a1, FM_FMRI_AUTH_CHASSIS, &c1) == 0 && 830 nvlist_lookup_string(a2, FM_FMRI_AUTH_CHASSIS, &c2) == 0) { 831 if (strcmp(c1, c2) != 0) 832 return (0); 833 834 mindepth = 1; 835 } else { 836 mindepth = 0; 837 } 838 839 if (nhcp2 < nhcp1) 840 return (0); 841 842 for (i = 0; i < nhcp1; i++) { 843 char *nm1 = NULL; 844 char *nm2 = NULL; 845 char *id1 = NULL; 846 char *id2 = NULL; 847 848 (void) nvlist_lookup_string(hcp1[i], FM_FMRI_HC_NAME, &nm1); 849 (void) nvlist_lookup_string(hcp2[i], FM_FMRI_HC_NAME, &nm2); 850 (void) nvlist_lookup_string(hcp1[i], FM_FMRI_HC_ID, &id1); 851 (void) nvlist_lookup_string(hcp2[i], FM_FMRI_HC_ID, &id2); 852 if (nm1 == NULL || nm2 == NULL || id1 == NULL || id2 == NULL) 853 return (topo_mod_seterrno(mod, EMOD_FMRI_NVL)); 854 855 if (strcmp(nm1, nm2) == 0 && 856 (i < mindepth || strcmp(id1, id2) == 0)) 857 continue; 858 859 return (0); 860 } 861 862 return (1); 863 } 864 865 /*ARGSUSED*/ 866 static int 867 ses_contains(topo_mod_t *mod, tnode_t *tn, topo_version_t version, 868 nvlist_t *in, nvlist_t **out) 869 { 870 int ret; 871 nvlist_t *nv1, *nv2; 872 873 if (version > TOPO_METH_CONTAINS_VERSION) 874 return (topo_mod_seterrno(mod, EMOD_VER_NEW)); 875 876 if (nvlist_lookup_nvlist(in, TOPO_METH_FMRI_ARG_FMRI, &nv1) != 0 || 877 nvlist_lookup_nvlist(in, TOPO_METH_FMRI_ARG_SUBFMRI, &nv2) != 0) 878 return (topo_mod_seterrno(mod, EMOD_METHOD_INVAL)); 879 880 ret = fmri_contains(mod, nv1, nv2); 881 if (ret < 0) 882 return (-1); 883 884 if (topo_mod_nvalloc(mod, out, NV_UNIQUE_NAME) == 0) { 885 if (nvlist_add_uint32(*out, TOPO_METH_CONTAINS_RET, 886 ret) == 0) 887 return (0); 888 else 889 nvlist_free(*out); 890 } 891 892 return (-1); 893 894 } 895 896 /* 897 * Return a current instance of the node. This is somewhat complicated because 898 * we need to take a new snapshot in order to get the new data, but we don't 899 * want to be constantly taking SES snapshots if the consumer is going to do a 900 * series of queries. So we adopt the strategy of assuming that the SES state 901 * is not going to be rapidly changing, and limit our snapshot frequency to 902 * some defined bounds. 903 */ 904 ses_node_t * 905 ses_node_lock(topo_mod_t *mod, tnode_t *tn) 906 { 907 ses_enum_target_t *tp = topo_node_getspecific(tn); 908 hrtime_t now; 909 ses_snap_t *snap; 910 int err; 911 uint64_t nodeid; 912 ses_node_t *np; 913 914 if (tp == NULL) { 915 (void) topo_mod_seterrno(mod, EMOD_METHOD_NOTSUP); 916 return (NULL); 917 } 918 919 (void) pthread_mutex_lock(&tp->set_lock); 920 921 /* 922 * Determine if we need to take a new snapshot. 923 */ 924 now = gethrtime(); 925 926 if (tp->set_target == NULL) { 927 /* 928 * We may have closed the device but not yet abandoned the 929 * contract (ie we've had the offline event but not yet the 930 * negend). If so, just return failure. 931 */ 932 if (tp->set_ctid != NULL) { 933 (void) topo_mod_seterrno(mod, EMOD_METHOD_NOTSUP); 934 (void) pthread_mutex_unlock(&tp->set_lock); 935 return (NULL); 936 } 937 938 /* 939 * The device has been closed due to a contract offline 940 * request, then we need to reopen it and create a new contract. 941 */ 942 if ((tp->set_target = 943 ses_open(LIBSES_VERSION, tp->set_devpath)) == NULL) { 944 sysevent_id_t eid; 945 946 (void) topo_mod_seterrno(mod, EMOD_METHOD_NOTSUP); 947 (void) pthread_mutex_unlock(&tp->set_lock); 948 topo_mod_dprintf(mod, "recheck_dir - " 949 "can no longer open %s", tp->set_devpath); 950 (void) sysevent_post_event(EC_PLATFORM, 951 ESC_PLATFORM_SP_RESET, SUNW_VENDOR, "fmd", NULL, 952 &eid); 953 return (NULL); 954 } 955 topo_mod_dprintf(mod, "reopen contract"); 956 ses_create_contract(mod, tp); 957 tp->set_snap = ses_snap_hold(tp->set_target); 958 tp->set_snaptime = gethrtime(); 959 } else if (now - tp->set_snaptime > (ses_snap_freq * 1000 * 1000) && 960 (snap = ses_snap_new(tp->set_target)) != NULL) { 961 if (ses_snap_generation(snap) != 962 ses_snap_generation(tp->set_snap)) { 963 /* 964 * If we find ourselves in this situation, we're in 965 * trouble. The generation count has changed, which 966 * indicates that our current topology is out of date. 967 * But we need to consult the new topology in order to 968 * determine presence at this moment in time. We can't 969 * go back and change the topo snapshot in situ, so 970 * we'll just have to fail the call in this unlikely 971 * scenario. 972 */ 973 ses_snap_rele(snap); 974 (void) topo_mod_seterrno(mod, EMOD_METHOD_NOTSUP); 975 (void) pthread_mutex_unlock(&tp->set_lock); 976 return (NULL); 977 } else { 978 ses_snap_rele(tp->set_snap); 979 tp->set_snap = snap; 980 } 981 tp->set_snaptime = gethrtime(); 982 } 983 984 snap = tp->set_snap; 985 986 verify(topo_prop_get_uint64(tn, TOPO_PGROUP_SES, 987 TOPO_PROP_NODE_ID, &nodeid, &err) == 0); 988 verify((np = ses_node_lookup(snap, nodeid)) != NULL); 989 990 return (np); 991 } 992 993 /*ARGSUSED*/ 994 void 995 ses_node_unlock(topo_mod_t *mod, tnode_t *tn) 996 { 997 ses_enum_target_t *tp = topo_node_getspecific(tn); 998 999 verify(tp != NULL); 1000 1001 (void) pthread_mutex_unlock(&tp->set_lock); 1002 } 1003 1004 /* 1005 * Determine if the element is present. 1006 */ 1007 /*ARGSUSED*/ 1008 static int 1009 ses_present(topo_mod_t *mod, tnode_t *tn, topo_version_t version, 1010 nvlist_t *in, nvlist_t **out) 1011 { 1012 boolean_t present; 1013 ses_node_t *np; 1014 nvlist_t *props, *nvl; 1015 uint64_t status; 1016 1017 if ((np = ses_node_lock(mod, tn)) == NULL) 1018 return (-1); 1019 1020 verify((props = ses_node_props(np)) != NULL); 1021 verify(nvlist_lookup_uint64(props, 1022 SES_PROP_STATUS_CODE, &status) == 0); 1023 1024 ses_node_unlock(mod, tn); 1025 1026 present = (status != SES_ESC_NOT_INSTALLED); 1027 1028 if (topo_mod_nvalloc(mod, &nvl, NV_UNIQUE_NAME) != 0) 1029 return (topo_mod_seterrno(mod, EMOD_FMRI_NVL)); 1030 1031 if (nvlist_add_uint32(nvl, TOPO_METH_PRESENT_RET, 1032 present) != 0) { 1033 nvlist_free(nvl); 1034 return (topo_mod_seterrno(mod, EMOD_FMRI_NVL)); 1035 } 1036 1037 *out = nvl; 1038 1039 return (0); 1040 } 1041 1042 /* 1043 * Sets standard properties for a ses node (enclosure, bay, controller 1044 * or expander). 1045 * This includes setting the FRU, as well as setting the 1046 * authority information. When the fru topo node(frutn) is not NULL 1047 * its resouce should be used as FRU. 1048 */ 1049 static int 1050 ses_set_standard_props(topo_mod_t *mod, tnode_t *frutn, tnode_t *tn, 1051 nvlist_t *auth, uint64_t nodeid, const char *path) 1052 { 1053 int err; 1054 char *product, *chassis; 1055 nvlist_t *fmri; 1056 1057 /* 1058 * Set the authority explicitly if specified. 1059 */ 1060 if (auth) { 1061 verify(nvlist_lookup_string(auth, FM_FMRI_AUTH_PRODUCT, 1062 &product) == 0); 1063 verify(nvlist_lookup_string(auth, FM_FMRI_AUTH_CHASSIS, 1064 &chassis) == 0); 1065 if (topo_prop_set_string(tn, FM_FMRI_AUTHORITY, 1066 FM_FMRI_AUTH_PRODUCT, TOPO_PROP_IMMUTABLE, product, 1067 &err) != 0 || 1068 topo_prop_set_string(tn, FM_FMRI_AUTHORITY, 1069 FM_FMRI_AUTH_CHASSIS, TOPO_PROP_IMMUTABLE, chassis, 1070 &err) != 0 || 1071 topo_prop_set_string(tn, FM_FMRI_AUTHORITY, 1072 FM_FMRI_AUTH_SERVER, TOPO_PROP_IMMUTABLE, "", 1073 &err) != 0) { 1074 topo_mod_dprintf(mod, "failed to add authority " 1075 "properties: %s\n", topo_strerror(err)); 1076 return (topo_mod_seterrno(mod, err)); 1077 } 1078 } 1079 1080 /* 1081 * Copy the resource and set that as the FRU. 1082 */ 1083 if (frutn != NULL) { 1084 if (topo_node_resource(frutn, &fmri, &err) != 0) { 1085 topo_mod_dprintf(mod, 1086 "topo_node_resource() failed : %s\n", 1087 topo_strerror(err)); 1088 return (topo_mod_seterrno(mod, err)); 1089 } 1090 } else { 1091 if (topo_node_resource(tn, &fmri, &err) != 0) { 1092 topo_mod_dprintf(mod, 1093 "topo_node_resource() failed : %s\n", 1094 topo_strerror(err)); 1095 return (topo_mod_seterrno(mod, err)); 1096 } 1097 } 1098 1099 if (topo_node_fru_set(tn, fmri, 0, &err) != 0) { 1100 topo_mod_dprintf(mod, 1101 "topo_node_fru_set() failed : %s\n", 1102 topo_strerror(err)); 1103 nvlist_free(fmri); 1104 return (topo_mod_seterrno(mod, err)); 1105 } 1106 1107 nvlist_free(fmri); 1108 1109 /* 1110 * Set the SES-specific properties so that consumers can query 1111 * additional information about the particular SES element. 1112 */ 1113 if (topo_pgroup_create(tn, &ses_pgroup, &err) != 0) { 1114 topo_mod_dprintf(mod, "failed to create propgroup " 1115 "%s: %s\n", TOPO_PGROUP_SES, topo_strerror(err)); 1116 return (-1); 1117 } 1118 1119 if (topo_prop_set_uint64(tn, TOPO_PGROUP_SES, 1120 TOPO_PROP_NODE_ID, TOPO_PROP_IMMUTABLE, 1121 nodeid, &err) != 0) { 1122 topo_mod_dprintf(mod, 1123 "failed to create property %s: %s\n", 1124 TOPO_PROP_NODE_ID, topo_strerror(err)); 1125 return (-1); 1126 } 1127 1128 if (topo_prop_set_string(tn, TOPO_PGROUP_SES, 1129 TOPO_PROP_TARGET_PATH, TOPO_PROP_IMMUTABLE, 1130 path, &err) != 0) { 1131 topo_mod_dprintf(mod, 1132 "failed to create property %s: %s\n", 1133 TOPO_PROP_TARGET_PATH, topo_strerror(err)); 1134 return (-1); 1135 } 1136 1137 return (0); 1138 } 1139 1140 /* 1141 * Iterate over the SES phy information. If any of the ports indicates that it's 1142 * a SATA device and we haven't matched any disk devices yet, that means 1143 * that the HBA was able to create a WWN for the SATA device based on its GUID, 1144 * which is good. However, SES includes the WWN for the device's STP bridge. In 1145 * theory, if the driver includes the WWN based on the SATA guid then it should 1146 * also set the bridge-port property indicating the WWN that should match the 1147 * SATA device. 1148 */ 1149 static int 1150 ses_create_disk_bridge(ses_enum_data_t *sdp, tnode_t *pnode, nvlist_t *props, 1151 tnode_t **child) 1152 { 1153 nvlist_t **phys; 1154 uint_t i, n_phys; 1155 topo_mod_t *mod = sdp->sed_mod; 1156 1157 if (nvlist_lookup_nvlist_array(props, SES_SAS_PROP_PHYS, &phys, 1158 &n_phys) != 0) 1159 return (1); 1160 1161 for (i = 0; i < n_phys; i++) { 1162 uint64_t wwn; 1163 boolean_t sata; 1164 char wwnstr[64]; 1165 1166 if (nvlist_lookup_uint64(phys[i], SES_SAS_PROP_ADDR, 1167 &wwn) != 0 || wwn == 0) { 1168 continue; 1169 } 1170 1171 if (nvlist_lookup_boolean_value(phys[i], 1172 SES_SAS_PROP_SATA_DEVICE, &sata) != 0 || !sata) { 1173 continue; 1174 } 1175 1176 if (scsi_wwn_to_wwnstr(wwn, 0, wwnstr) == NULL) 1177 continue; 1178 1179 if (disk_declare_bridge(mod, pnode, &sdp->sed_devs, 1180 wwnstr, child) == 0) { 1181 return (0); 1182 } 1183 1184 } 1185 1186 return (1); 1187 } 1188 1189 /* 1190 * Callback to add a disk to a given bay. We first check the status-code to 1191 * determine if a disk is present, ignoring those that aren't in an appropriate 1192 * state. We then scan the parent bay node's SAS address array to determine 1193 * possible attached SAS addresses. We create a disk node if the disk is not 1194 * SAS or the SES target does not support the necessary pages for this; if we 1195 * find the SAS address, we create a disk node and also correlate it with 1196 * the corresponding Solaris device node to fill in the rest of the data. 1197 */ 1198 static int 1199 ses_create_disk(ses_enum_data_t *sdp, tnode_t *pnode, nvlist_t *props) 1200 { 1201 topo_mod_t *mod = sdp->sed_mod; 1202 uint64_t status; 1203 uint_t s, nsas; 1204 char **paths; 1205 int err, ret; 1206 tnode_t *child = NULL; 1207 1208 /* 1209 * Skip devices that are not in a present (and possibly damaged) state. 1210 * Also, skip devices that this expander is either not fully wired to, 1211 * or are hidden due to SAS zoning, as indicated by the 1212 * SES_ESC_NO_ACCESS state. 1213 */ 1214 if (nvlist_lookup_uint64(props, SES_PROP_STATUS_CODE, &status) != 0) 1215 return (0); 1216 1217 if (status != SES_ESC_UNSUPPORTED && 1218 status != SES_ESC_OK && 1219 status != SES_ESC_CRITICAL && 1220 status != SES_ESC_NONCRITICAL && 1221 status != SES_ESC_UNRECOVERABLE && 1222 status != SES_ESC_UNKNOWN) 1223 return (0); 1224 1225 topo_mod_dprintf(mod, "found attached disk"); 1226 1227 /* 1228 * Create the disk range. 1229 */ 1230 if (topo_node_range_create(mod, pnode, DISK, 0, 0) != 0) { 1231 topo_mod_dprintf(mod, 1232 "topo_node_create_range() failed: %s", 1233 topo_mod_errmsg(mod)); 1234 return (-1); 1235 } 1236 1237 /* 1238 * Look through all SAS addresses and attempt to correlate them to a 1239 * known Solaris device. If we don't find a matching node, then we 1240 * don't enumerate the disk node. 1241 * Note that TOPO_PROP_SAS_ADDR prop includes SAS address from 1242 * alternate elements that represent the same device. 1243 */ 1244 if (topo_prop_get_string_array(pnode, TOPO_PGROUP_SES, 1245 TOPO_PROP_SAS_ADDR, &paths, &nsas, &err) != 0) 1246 return (0); 1247 1248 err = 0; 1249 1250 for (s = 0; s < nsas; s++) { 1251 ret = disk_declare_addr(mod, pnode, &sdp->sed_devs, paths[s], 1252 &child); 1253 if (ret == 0) { 1254 break; 1255 } else if (ret < 0) { 1256 err = -1; 1257 break; 1258 } 1259 } 1260 1261 /* 1262 * We need to take another pass through the properties for this bay by 1263 * iterating over the phys and noting if any of these are SATA. Note, 1264 * this information isn't commonly part of the topo tree at this time, 1265 * hence why we end up going back and iterating over the properties 1266 * ourselves. 1267 */ 1268 if (s == nsas) { 1269 if (ses_create_disk_bridge(sdp, pnode, props, &child) != 0) 1270 (void) disk_declare_non_enumerated(mod, pnode, &child); 1271 } 1272 1273 /* copy sas_addresses (target-ports) from parent (with 'w'added) */ 1274 if (child != NULL) { 1275 int i; 1276 char **tports; 1277 uint64_t wwn; 1278 1279 tports = topo_mod_zalloc(mod, sizeof (char *) * nsas); 1280 if (tports != NULL) { 1281 for (i = 0; i < nsas; i++) { 1282 if (scsi_wwnstr_to_wwn(paths[i], &wwn) != 1283 DDI_SUCCESS) 1284 break; 1285 tports[i] = scsi_wwn_to_wwnstr(wwn, 1, NULL); 1286 if (tports[i] == NULL) 1287 break; 1288 } 1289 /* if they all worked then create the property */ 1290 if (i == nsas) 1291 (void) topo_prop_set_string_array(child, 1292 TOPO_PGROUP_STORAGE, 1293 TOPO_STORAGE_TARGET_PORT_L0IDS, 1294 TOPO_PROP_IMMUTABLE, (const char **)tports, 1295 nsas, &err); 1296 1297 for (i = 0; i < nsas; i++) 1298 if (tports[i] != NULL) 1299 scsi_free_wwnstr(tports[i]); 1300 topo_mod_free(mod, tports, sizeof (char *) * nsas); 1301 } 1302 } 1303 1304 for (s = 0; s < nsas; s++) 1305 topo_mod_free(mod, paths[s], strlen(paths[s]) + 1); 1306 topo_mod_free(mod, paths, nsas * sizeof (char *)); 1307 1308 return (err); 1309 } 1310 1311 static int 1312 ses_add_bay_props(topo_mod_t *mod, tnode_t *tn, ses_enum_node_t *snp) 1313 { 1314 ses_alt_node_t *ap; 1315 ses_node_t *np; 1316 nvlist_t *props; 1317 1318 nvlist_t **phys; 1319 uint_t i, j, n_phys, all_phys = 0; 1320 char **paths; 1321 uint64_t addr; 1322 size_t len; 1323 int terr, err = -1; 1324 1325 for (ap = topo_list_next(&snp->sen_alt_nodes); ap != NULL; 1326 ap = topo_list_next(ap)) { 1327 np = ap->san_node; 1328 props = ses_node_props(np); 1329 1330 if (nvlist_lookup_nvlist_array(props, SES_SAS_PROP_PHYS, 1331 &phys, &n_phys) != 0) 1332 continue; 1333 1334 all_phys += n_phys; 1335 } 1336 1337 if (all_phys == 0) 1338 return (0); 1339 1340 if ((paths = topo_mod_zalloc(mod, all_phys * sizeof (char *))) == NULL) 1341 return (-1); 1342 1343 for (i = 0, ap = topo_list_next(&snp->sen_alt_nodes); ap != NULL; 1344 ap = topo_list_next(ap)) { 1345 np = ap->san_node; 1346 props = ses_node_props(np); 1347 1348 if (nvlist_lookup_nvlist_array(props, SES_SAS_PROP_PHYS, 1349 &phys, &n_phys) != 0) 1350 continue; 1351 1352 for (j = 0; j < n_phys; j++) { 1353 if (nvlist_lookup_uint64(phys[j], SES_SAS_PROP_ADDR, 1354 &addr) != 0) 1355 continue; 1356 1357 len = snprintf(NULL, 0, "%016llx", addr) + 1; 1358 if ((paths[i] = topo_mod_alloc(mod, len)) == NULL) 1359 goto error; 1360 1361 (void) snprintf(paths[i], len, "%016llx", addr); 1362 1363 ++i; 1364 } 1365 } 1366 1367 err = topo_prop_set_string_array(tn, TOPO_PGROUP_SES, 1368 TOPO_PROP_SAS_ADDR, TOPO_PROP_IMMUTABLE, 1369 (const char **)paths, i, &terr); 1370 if (err != 0) 1371 err = topo_mod_seterrno(mod, terr); 1372 1373 error: 1374 for (i = 0; i < all_phys && paths[i] != NULL; i++) 1375 topo_mod_free(mod, paths[i], strlen(paths[i]) + 1); 1376 topo_mod_free(mod, paths, all_phys * sizeof (char *)); 1377 1378 return (err); 1379 } 1380 1381 /* 1382 * Callback to create a basic node (bay, psu, fan, or controller and expander). 1383 */ 1384 static int 1385 ses_create_generic(ses_enum_data_t *sdp, ses_enum_node_t *snp, tnode_t *pnode, 1386 tnode_t *frutn, const char *nodename, const char *labelname, 1387 tnode_t **node) 1388 { 1389 ses_node_t *np = snp->sen_node; 1390 ses_node_t *parent; 1391 uint64_t instance = snp->sen_instance; 1392 topo_mod_t *mod = sdp->sed_mod; 1393 nvlist_t *props, *aprops; 1394 nvlist_t *auth = NULL, *fmri = NULL; 1395 tnode_t *tn = NULL; 1396 char label[128]; 1397 int err; 1398 char *part = NULL, *serial = NULL, *revision = NULL; 1399 char *desc; 1400 boolean_t report; 1401 1402 props = ses_node_props(np); 1403 1404 (void) nvlist_lookup_string(props, LIBSES_PROP_PART, &part); 1405 (void) nvlist_lookup_string(props, LIBSES_PROP_SERIAL, &serial); 1406 1407 topo_mod_dprintf(mod, "adding %s %llu", nodename, instance); 1408 1409 /* 1410 * Create the node. The interesting information is all copied from the 1411 * parent enclosure node, so there is not much to do. 1412 */ 1413 if ((auth = topo_mod_auth(mod, pnode)) == NULL) 1414 goto error; 1415 1416 /* 1417 * We want to report revision information for the controller nodes, but 1418 * we do not get per-element revision information. However, we do have 1419 * revision information for the entire enclosure, and we can use the 1420 * 'reported-via' property to know that this controller corresponds to 1421 * the given revision information. This means we cannot get revision 1422 * information for targets we are not explicitly connected to, but 1423 * there is little we can do about the situation. 1424 */ 1425 if (strcmp(nodename, CONTROLLER) == 0 && 1426 nvlist_lookup_boolean_value(props, SES_PROP_REPORT, &report) == 0 && 1427 report) { 1428 for (parent = ses_node_parent(np); parent != NULL; 1429 parent = ses_node_parent(parent)) { 1430 if (ses_node_type(parent) == SES_NODE_ENCLOSURE) { 1431 (void) nvlist_lookup_string( 1432 ses_node_props(parent), 1433 SES_EN_PROP_REV, &revision); 1434 break; 1435 } 1436 } 1437 } 1438 1439 if ((fmri = topo_mod_hcfmri(mod, pnode, FM_HC_SCHEME_VERSION, 1440 nodename, (topo_instance_t)instance, NULL, auth, part, revision, 1441 serial)) == NULL) { 1442 topo_mod_dprintf(mod, "topo_mod_hcfmri() failed: %s", 1443 topo_mod_errmsg(mod)); 1444 goto error; 1445 } 1446 1447 if ((tn = topo_node_bind(mod, pnode, nodename, 1448 instance, fmri)) == NULL) { 1449 topo_mod_dprintf(mod, "topo_node_bind() failed: %s", 1450 topo_mod_errmsg(mod)); 1451 goto error; 1452 } 1453 1454 /* 1455 * For the node label, we look for the following in order: 1456 * 1457 * <ses-description> 1458 * <ses-class-description> <instance> 1459 * <default-type-label> <instance> 1460 */ 1461 if (nvlist_lookup_string(props, SES_PROP_DESCRIPTION, &desc) != 0 || 1462 desc[0] == '\0') { 1463 parent = ses_node_parent(np); 1464 aprops = ses_node_props(parent); 1465 if (nvlist_lookup_string(aprops, SES_PROP_CLASS_DESCRIPTION, 1466 &desc) != 0 || desc[0] == '\0') 1467 desc = (char *)labelname; 1468 (void) snprintf(label, sizeof (label), "%s %llu", desc, 1469 instance); 1470 desc = label; 1471 } 1472 1473 if (topo_node_label_set(tn, desc, &err) != 0) 1474 goto error; 1475 1476 if (ses_set_standard_props(mod, frutn, tn, NULL, ses_node_id(np), 1477 snp->sen_target->set_devpath) != 0) 1478 goto error; 1479 1480 if (strcmp(nodename, BAY) == 0) { 1481 if (ses_add_bay_props(mod, tn, snp) != 0) 1482 goto error; 1483 1484 if (ses_create_disk(sdp, tn, props) != 0) 1485 goto error; 1486 1487 if (topo_method_register(mod, tn, ses_bay_methods) != 0) { 1488 topo_mod_dprintf(mod, 1489 "topo_method_register() failed: %s", 1490 topo_mod_errmsg(mod)); 1491 goto error; 1492 } 1493 } else if ((strcmp(nodename, FAN) == 0) || 1494 (strcmp(nodename, PSU) == 0) || 1495 (strcmp(nodename, CONTROLLER) == 0)) { 1496 /* 1497 * Only fan, psu, and controller nodes have a 'present' method. 1498 * Bay nodes are always present, and disk nodes are present by 1499 * virtue of being enumerated and SAS expander nodes and 1500 * SAS connector nodes are also always present once 1501 * the parent controller is found. 1502 */ 1503 if (topo_method_register(mod, tn, ses_component_methods) != 0) { 1504 topo_mod_dprintf(mod, 1505 "topo_method_register() failed: %s", 1506 topo_mod_errmsg(mod)); 1507 goto error; 1508 } 1509 1510 } 1511 1512 snp->sen_target->set_refcount++; 1513 topo_node_setspecific(tn, snp->sen_target); 1514 1515 nvlist_free(auth); 1516 nvlist_free(fmri); 1517 if (node != NULL) *node = tn; 1518 return (0); 1519 1520 error: 1521 nvlist_free(auth); 1522 nvlist_free(fmri); 1523 return (-1); 1524 } 1525 1526 /* 1527 * Create SAS expander specific props. 1528 */ 1529 /*ARGSUSED*/ 1530 static int 1531 ses_set_expander_props(ses_enum_data_t *sdp, ses_enum_node_t *snp, 1532 tnode_t *ptnode, tnode_t *tnode, int *phycount, int64_t *connlist) 1533 { 1534 ses_node_t *np = snp->sen_node; 1535 topo_mod_t *mod = sdp->sed_mod; 1536 nvlist_t *auth = NULL, *fmri = NULL; 1537 nvlist_t *props, **phylist; 1538 int err, i; 1539 uint_t pcount; 1540 uint64_t sasaddr, connidx; 1541 char sasaddr_str[17]; 1542 boolean_t found = B_FALSE, ses_found = B_FALSE; 1543 dev_di_node_t *dnode, *sesdnode; 1544 1545 props = ses_node_props(np); 1546 1547 /* 1548 * the uninstalled expander is not enumerated by checking 1549 * the element status code. No present present' method provided. 1550 */ 1551 /* 1552 * Get the Expander SAS address. It should exist. 1553 */ 1554 if (nvlist_lookup_uint64(props, SES_EXP_PROP_SAS_ADDR, 1555 &sasaddr) != 0) { 1556 topo_mod_dprintf(mod, 1557 "Failed to get prop %s.", SES_EXP_PROP_SAS_ADDR); 1558 goto error; 1559 } 1560 1561 (void) sprintf(sasaddr_str, "%llx", sasaddr); 1562 1563 /* search matching dev_di_node. */ 1564 for (dnode = topo_list_next(&sdp->sed_devs); dnode != NULL; 1565 dnode = topo_list_next(dnode)) { 1566 for (i = 0; i < dnode->ddn_ppath_count; i++) { 1567 if ((dnode->ddn_target_port[i] != NULL) && 1568 (strstr(dnode->ddn_target_port[i], 1569 sasaddr_str) != NULL)) { 1570 found = B_TRUE; 1571 break; 1572 } 1573 } 1574 if (found) 1575 break; 1576 } 1577 1578 if (!found) { 1579 topo_mod_dprintf(mod, 1580 "ses_set_expander_props: Failed to find matching " 1581 "devinfo node for Exapnder SAS address %s", 1582 SES_EXP_PROP_SAS_ADDR); 1583 /* continue on to get storage group props. */ 1584 } else { 1585 /* create/set the devfs-path and devid in the smp group */ 1586 if (topo_pgroup_create(tnode, &smp_pgroup, &err) != 0) { 1587 topo_mod_dprintf(mod, "ses_set_expander_props: " 1588 "failed to create smp property group %s\n", 1589 topo_strerror(err)); 1590 goto error; 1591 } else { 1592 if (topo_prop_set_string(tnode, TOPO_PGROUP_SMP, 1593 TOPO_PROP_SMP_TARGET_PORT, TOPO_PROP_IMMUTABLE, 1594 dnode->ddn_target_port[i], &err) != 0) { 1595 topo_mod_dprintf(mod, "ses_set_expander_props: " 1596 "set %S error %s\n", TOPO_PROP_SAS_ADDR, 1597 topo_strerror(err)); 1598 } 1599 if (topo_prop_set_string(tnode, TOPO_PGROUP_SMP, 1600 TOPO_PROP_SMP_DEV_PATH, TOPO_PROP_IMMUTABLE, 1601 dnode->ddn_dpath, &err) != 0) { 1602 topo_mod_dprintf(mod, "ses_set_expander_props: " 1603 "set dev error %s\n", topo_strerror(err)); 1604 } 1605 if (topo_prop_set_string(tnode, TOPO_PGROUP_SMP, 1606 TOPO_PROP_SMP_DEVID, TOPO_PROP_IMMUTABLE, 1607 dnode->ddn_devid, &err) != 0) { 1608 topo_mod_dprintf(mod, "ses_set_expander_props: " 1609 "set devid error %s\n", topo_strerror(err)); 1610 } 1611 if (dnode->ddn_ppath_count != 0 && 1612 topo_prop_set_string_array(tnode, TOPO_PGROUP_SMP, 1613 TOPO_PROP_SMP_PHYS_PATH, TOPO_PROP_IMMUTABLE, 1614 (const char **)dnode->ddn_ppath, 1615 dnode->ddn_ppath_count, &err) != 0) { 1616 topo_mod_dprintf(mod, "ses_set_expander_props: " 1617 "set phys-path error %s\n", 1618 topo_strerror(err)); 1619 } 1620 } 1621 } 1622 1623 /* update the ses property group with SES target info */ 1624 if ((topo_pgroup_create(tnode, &ses_pgroup, &err) != 0) && 1625 (err != ETOPO_PROP_DEFD)) { 1626 /* SES prop group doesn't exist but failed to be created. */ 1627 topo_mod_dprintf(mod, "ses_set_expander_props: " 1628 "ses pgroup create error %s\n", topo_strerror(err)); 1629 goto error; 1630 } else { 1631 /* locate assciated enclosure dev_di_node. */ 1632 for (sesdnode = topo_list_next(&sdp->sed_devs); 1633 sesdnode != NULL; sesdnode = topo_list_next(sesdnode)) { 1634 for (i = 0; i < sesdnode->ddn_ppath_count; i++) { 1635 /* 1636 * check if attached port exists and 1637 * its node type is enclosure and 1638 * attached port is same as sas address of 1639 * the expander and 1640 * bridge port for virtual phy indication 1641 * exist. 1642 */ 1643 if ((sesdnode->ddn_attached_port[i] != NULL) && 1644 (sesdnode->ddn_dtype == DTYPE_ESI) && 1645 (strstr(sesdnode->ddn_attached_port[i], 1646 sasaddr_str) != NULL) && 1647 (sesdnode->ddn_bridge_port[i] != NULL)) { 1648 ses_found = B_TRUE; 1649 break; 1650 } 1651 } 1652 if (ses_found) break; 1653 } 1654 1655 if (ses_found) { 1656 if (topo_prop_set_string(tnode, TOPO_PGROUP_SES, 1657 TOPO_PROP_SES_TARGET_PORT, TOPO_PROP_IMMUTABLE, 1658 sesdnode->ddn_target_port[i], &err) != 0) { 1659 topo_mod_dprintf(mod, "ses_set_expander_props: " 1660 "set ses %S error %s\n", TOPO_PROP_SAS_ADDR, 1661 topo_strerror(err)); 1662 } 1663 if (topo_prop_set_string(tnode, TOPO_PGROUP_SES, 1664 TOPO_PROP_SES_DEV_PATH, TOPO_PROP_IMMUTABLE, 1665 sesdnode->ddn_dpath, &err) != 0) { 1666 topo_mod_dprintf(mod, "ses_set_expander_props: " 1667 "set ses dev error %s\n", 1668 topo_strerror(err)); 1669 } 1670 if (topo_prop_set_string(tnode, TOPO_PGROUP_SES, 1671 TOPO_PROP_SES_DEVID, TOPO_PROP_IMMUTABLE, 1672 sesdnode->ddn_devid, &err) != 0) { 1673 topo_mod_dprintf(mod, "ses_set_expander_props: " 1674 "set ses devid error %s\n", 1675 topo_strerror(err)); 1676 } 1677 if (sesdnode->ddn_ppath_count != 0 && 1678 topo_prop_set_string_array(tnode, TOPO_PGROUP_SES, 1679 TOPO_PROP_SES_PHYS_PATH, TOPO_PROP_IMMUTABLE, 1680 (const char **)sesdnode->ddn_ppath, 1681 sesdnode->ddn_ppath_count, &err) != 0) { 1682 topo_mod_dprintf(mod, "ses_set_expander_props: " 1683 "set ses phys-path error %s\n", 1684 topo_strerror(err)); 1685 } 1686 1687 } 1688 } 1689 1690 /* create the storage group */ 1691 if (topo_pgroup_create(tnode, &storage_pgroup, &err) != 0) { 1692 topo_mod_dprintf(mod, "ses_set_expander_props: " 1693 "create storage error %s\n", topo_strerror(err)); 1694 goto error; 1695 } else { 1696 /* set the SAS address prop out of expander element status. */ 1697 if (topo_prop_set_string(tnode, TOPO_PGROUP_STORAGE, 1698 TOPO_PROP_SAS_ADDR, TOPO_PROP_IMMUTABLE, sasaddr_str, 1699 &err) != 0) { 1700 topo_mod_dprintf(mod, "ses_set_expander_props: " 1701 "set %S error %s\n", TOPO_PROP_SAS_ADDR, 1702 topo_strerror(err)); 1703 } 1704 1705 /* Get the phy information for the expander */ 1706 if (nvlist_lookup_nvlist_array(props, SES_SAS_PROP_PHYS, 1707 &phylist, &pcount) != 0) { 1708 topo_mod_dprintf(mod, 1709 "Failed to get prop %s.", SES_SAS_PROP_PHYS); 1710 } else { 1711 /* 1712 * For each phy, get the connector element index and 1713 * stores into connector element index array. 1714 */ 1715 *phycount = pcount; 1716 for (i = 0; i < pcount; i++) { 1717 if (nvlist_lookup_uint64(phylist[i], 1718 SES_PROP_CE_IDX, &connidx) == 0) { 1719 if (connidx != 0xff) { 1720 connlist[i] = connidx; 1721 } else { 1722 connlist[i] = -1; 1723 } 1724 } else { 1725 /* Fail to get the index. set to -1. */ 1726 connlist[i] = -1; 1727 } 1728 } 1729 1730 /* set the phy count prop of the expander. */ 1731 if (topo_prop_set_uint64(tnode, TOPO_PGROUP_STORAGE, 1732 TOPO_PROP_PHY_COUNT, TOPO_PROP_IMMUTABLE, pcount, 1733 &err) != 0) { 1734 topo_mod_dprintf(mod, "ses_set_expander_props: " 1735 "set %S error %s\n", TOPO_PROP_PHY_COUNT, 1736 topo_strerror(err)); 1737 } 1738 1739 /* 1740 * set the connector element index of 1741 * the expander phys. 1742 */ 1743 } 1744 1745 /* populate other misc storage group properties */ 1746 if (found) { 1747 if (dnode->ddn_mfg && (topo_prop_set_string(tnode, 1748 TOPO_PGROUP_STORAGE, TOPO_STORAGE_MANUFACTURER, 1749 TOPO_PROP_IMMUTABLE, dnode->ddn_mfg, &err) != 0)) { 1750 topo_mod_dprintf(mod, "ses_set_expander_props: " 1751 "set mfg error %s\n", topo_strerror(err)); 1752 } 1753 1754 if (dnode->ddn_model && (topo_prop_set_string(tnode, 1755 TOPO_PGROUP_STORAGE, TOPO_STORAGE_MODEL, 1756 TOPO_PROP_IMMUTABLE, 1757 dnode->ddn_model, &err) != 0)) { 1758 topo_mod_dprintf(mod, "ses_set_expander_props: " 1759 "set model error %s\n", topo_strerror(err)); 1760 } 1761 1762 if (dnode->ddn_serial && (topo_prop_set_string(tnode, 1763 TOPO_PGROUP_STORAGE, TOPO_STORAGE_SERIAL_NUM, 1764 TOPO_PROP_IMMUTABLE, 1765 dnode->ddn_serial, &err) != 0)) { 1766 topo_mod_dprintf(mod, "ses_set_expander_props: " 1767 "set serial error %s\n", 1768 topo_strerror(err)); 1769 } 1770 1771 if (dnode->ddn_firm && (topo_prop_set_string(tnode, 1772 TOPO_PGROUP_STORAGE, 1773 TOPO_STORAGE_FIRMWARE_REV, TOPO_PROP_IMMUTABLE, 1774 dnode->ddn_firm, &err) != 0)) { 1775 topo_mod_dprintf(mod, "ses_set_expander_props: " 1776 "set firm error %s\n", topo_strerror(err)); 1777 } 1778 } 1779 } 1780 1781 return (0); 1782 1783 error: 1784 nvlist_free(auth); 1785 nvlist_free(fmri); 1786 return (-1); 1787 } 1788 1789 /* 1790 * Create SAS expander specific props. 1791 */ 1792 /*ARGSUSED*/ 1793 static int 1794 ses_set_connector_props(ses_enum_data_t *sdp, ses_enum_node_t *snp, 1795 tnode_t *tnode, int64_t phy_mask) 1796 { 1797 ses_node_t *np = snp->sen_node; 1798 topo_mod_t *mod = sdp->sed_mod; 1799 nvlist_t *props; 1800 int err, i; 1801 uint64_t conntype; 1802 char phymask_str[17], *conntype_str; 1803 boolean_t found; 1804 1805 props = ses_node_props(np); 1806 1807 /* 1808 * convert phy mask to string. 1809 */ 1810 (void) snprintf(phymask_str, 17, "%llx", phy_mask); 1811 1812 /* create the storage group */ 1813 if (topo_pgroup_create(tnode, &storage_pgroup, &err) != 0) { 1814 topo_mod_dprintf(mod, "ses_set_expander_props: " 1815 "create storage error %s\n", topo_strerror(err)); 1816 return (-1); 1817 } else { 1818 /* set the SAS address prop of the expander. */ 1819 if (topo_prop_set_string(tnode, TOPO_PGROUP_STORAGE, 1820 TOPO_STORAGE_SAS_PHY_MASK, TOPO_PROP_IMMUTABLE, 1821 phymask_str, &err) != 0) { 1822 topo_mod_dprintf(mod, "ses_set_expander_props: " 1823 "set %S error %s\n", TOPO_STORAGE_SAS_PHY_MASK, 1824 topo_strerror(err)); 1825 } 1826 1827 /* Get the connector type information for the expander */ 1828 if (nvlist_lookup_uint64(props, 1829 SES_SC_PROP_CONNECTOR_TYPE, &conntype) != 0) { 1830 topo_mod_dprintf(mod, "Failed to get prop %s.", 1831 TOPO_STORAGE_SAS_PHY_MASK); 1832 } else { 1833 found = B_FALSE; 1834 for (i = 0; ; i++) { 1835 if (sas_connector_type_list[i].sct_type == 1836 SAS_CONNECTOR_TYPE_CODE_NOT_DEFINED) { 1837 break; 1838 } 1839 if (sas_connector_type_list[i].sct_type == 1840 conntype) { 1841 conntype_str = 1842 sas_connector_type_list[i].sct_name; 1843 found = B_TRUE; 1844 break; 1845 } 1846 } 1847 1848 if (!found) { 1849 if (conntype < 1850 SAS_CONNECTOR_TYPE_CODE_NOT_DEFINED) { 1851 conntype_str = 1852 SAS_CONNECTOR_TYPE_RESERVED; 1853 } else { 1854 conntype_str = 1855 SAS_CONNECTOR_TYPE_NOT_DEFINED; 1856 } 1857 } 1858 1859 /* set the phy count prop of the expander. */ 1860 if (topo_prop_set_string(tnode, TOPO_PGROUP_STORAGE, 1861 TOPO_STORAGE_SAS_CONNECTOR_TYPE, 1862 TOPO_PROP_IMMUTABLE, conntype_str, &err) != 0) { 1863 topo_mod_dprintf(mod, "ses_set_expander_props: " 1864 "set %S error %s\n", TOPO_PROP_PHY_COUNT, 1865 topo_strerror(err)); 1866 } 1867 } 1868 } 1869 1870 return (0); 1871 } 1872 1873 /* 1874 * Instantiate SAS expander nodes for a given ESC Electronics node(controller) 1875 * nodes. 1876 */ 1877 /*ARGSUSED*/ 1878 static int 1879 ses_create_esc_sasspecific(ses_enum_data_t *sdp, ses_enum_node_t *snp, 1880 tnode_t *pnode, ses_enum_chassis_t *cp, 1881 boolean_t dorange) 1882 { 1883 topo_mod_t *mod = sdp->sed_mod; 1884 tnode_t *exptn, *contn; 1885 boolean_t found; 1886 sas_connector_phy_data_t connectors[64] = {NULL}; 1887 uint64_t max; 1888 ses_enum_node_t *ctlsnp, *xsnp, *consnp; 1889 ses_node_t *np = snp->sen_node; 1890 nvlist_t *props, *psprops; 1891 uint64_t index, psindex, conindex, psstatus, i, j, count; 1892 int64_t cidxlist[256] = {NULL}; 1893 int phycount; 1894 1895 props = ses_node_props(np); 1896 1897 if (nvlist_lookup_uint64(props, SES_PROP_ELEMENT_ONLY_INDEX, 1898 &index) != 0) 1899 return (-1); 1900 1901 /* 1902 * For SES constroller node, check to see if there are 1903 * associated SAS expanders. 1904 */ 1905 found = B_FALSE; 1906 max = 0; 1907 for (ctlsnp = topo_list_next(&cp->sec_nodes); ctlsnp != NULL; 1908 ctlsnp = topo_list_next(ctlsnp)) { 1909 if (ctlsnp->sen_type == SES_ET_SAS_EXPANDER) { 1910 found = B_TRUE; 1911 if (ctlsnp->sen_instance > max) 1912 max = ctlsnp->sen_instance; 1913 } 1914 } 1915 1916 /* 1917 * No SAS expander found notthing to process. 1918 */ 1919 if (!found) 1920 return (0); 1921 1922 topo_mod_dprintf(mod, "%s Controller %d: creating " 1923 "%llu %s nodes", cp->sec_csn, index, max + 1, SASEXPANDER); 1924 1925 /* 1926 * The max number represent the number of elements 1927 * deducted from the highest SES_PROP_ELEMENT_CLASS_INDEX 1928 * of SET_ET_SAS_EXPANDER type element. 1929 * 1930 * There may be multiple ESC Electronics element(controllers) 1931 * within JBOD(typicall two for redundancy) and SAS expander 1932 * elements are associated with only one of them. We are 1933 * still creating the range based max number here. 1934 * That will cover the case that all expanders are associated 1935 * with one SES controller. 1936 */ 1937 if (dorange && topo_node_range_create(mod, pnode, 1938 SASEXPANDER, 0, max) != 0) { 1939 topo_mod_dprintf(mod, 1940 "topo_node_create_range() failed: %s", 1941 topo_mod_errmsg(mod)); 1942 return (-1); 1943 } 1944 1945 /* 1946 * Search exapnders with the parent index matching with 1947 * ESC Electronics element index. 1948 * Note the index used here is a global index across 1949 * SES elements. 1950 */ 1951 for (xsnp = topo_list_next(&cp->sec_nodes); xsnp != NULL; 1952 xsnp = topo_list_next(xsnp)) { 1953 if (xsnp->sen_type == SES_ET_SAS_EXPANDER) { 1954 /* 1955 * get the parent ESC controller. 1956 */ 1957 psprops = ses_node_props(xsnp->sen_node); 1958 if (nvlist_lookup_uint64(psprops, 1959 SES_PROP_STATUS_CODE, &psstatus) == 0) { 1960 if (psstatus == SES_ESC_NOT_INSTALLED) { 1961 /* 1962 * Not installed. 1963 * Don't create a ndoe. 1964 */ 1965 continue; 1966 } 1967 } else { 1968 /* 1969 * The element should have status code. 1970 * If not there is no way to find 1971 * out if the expander element exist or 1972 * not. 1973 */ 1974 continue; 1975 } 1976 1977 /* Get the physical parent index to compare. */ 1978 if (nvlist_lookup_uint64(psprops, 1979 LIBSES_PROP_PHYS_PARENT, &psindex) == 0) { 1980 if (index == psindex) { 1981 /* indentation moved forward */ 1982 /* 1983 * Handle basic node information of SAS expander 1984 * element - binding to parent node and 1985 * allocating FMRI... 1986 */ 1987 if (ses_create_generic(sdp, xsnp, pnode, pnode, SASEXPANDER, 1988 "SAS-EXPANDER", &exptn) != 0) 1989 continue; 1990 /* 1991 * Now handle SAS expander unique portion of node creation. 1992 * The max nubmer of the phy count is 256 since SES-2 1993 * defines as 1 byte field. The cidxlist has the same 1994 * number of elements. 1995 * 1996 * We use size 64 array to store the connectors. 1997 * Typically a connectors associated with 4 phys so that 1998 * matches with the max number of connecters associated 1999 * with an expander. 2000 * The phy count goes up to 38 for Sun supported 2001 * JBOD. 2002 */ 2003 (void) memset(cidxlist, 0, sizeof (int64_t) * 64); 2004 if (ses_set_expander_props(sdp, xsnp, pnode, exptn, &phycount, 2005 cidxlist) != 0) { 2006 /* 2007 * error on getting specific prop failed. 2008 * continue on. Note that the node is 2009 * left bound. 2010 */ 2011 continue; 2012 } 2013 2014 /* 2015 * count represetns the number of connectors discovered so far. 2016 */ 2017 count = 0; 2018 (void) memset(connectors, 0, 2019 sizeof (sas_connector_phy_data_t) * 64); 2020 for (i = 0; i < phycount; i++) { 2021 if (cidxlist[i] != -1) { 2022 /* connector index is valid. */ 2023 for (j = 0; j < count; j++) { 2024 if (connectors[j].scpd_index == 2025 cidxlist[i]) { 2026 /* 2027 * Just update phy mask. 2028 * The postion for connector 2029 * index lists(cidxlist index) 2030 * is set. 2031 */ 2032 connectors[j].scpd_pm = 2033 connectors[j].scpd_pm | 2034 (1ULL << i); 2035 break; 2036 } 2037 } 2038 /* 2039 * If j and count matche a new connector 2040 * index is found. 2041 */ 2042 if (j == count) { 2043 /* add a new index and phy mask. */ 2044 connectors[count].scpd_index = 2045 cidxlist[i]; 2046 connectors[count].scpd_pm = 2047 connectors[count].scpd_pm | 2048 (1ULL << i); 2049 count++; 2050 } 2051 } 2052 } 2053 2054 /* 2055 * create range for the connector nodes. 2056 * The class index of the ses connector element 2057 * is set as the instance nubmer for the node. 2058 * Even though one expander may not have all connectors 2059 * are associated with we are creating the range with 2060 * max possible instance number. 2061 */ 2062 found = B_FALSE; 2063 max = 0; 2064 for (consnp = topo_list_next(&cp->sec_nodes); 2065 consnp != NULL; consnp = topo_list_next(consnp)) { 2066 if (consnp->sen_type == SES_ET_SAS_CONNECTOR) { 2067 psprops = ses_node_props(consnp->sen_node); 2068 found = B_TRUE; 2069 if (consnp->sen_instance > max) 2070 max = consnp->sen_instance; 2071 } 2072 } 2073 2074 /* 2075 * No SAS connector found nothing to process. 2076 */ 2077 if (!found) 2078 return (0); 2079 2080 if (dorange && topo_node_range_create(mod, exptn, 2081 RECEPTACLE, 0, max) != 0) { 2082 topo_mod_dprintf(mod, 2083 "topo_node_create_range() failed: %s", 2084 topo_mod_errmsg(mod)); 2085 return (-1); 2086 } 2087 2088 /* search matching connector element using the index. */ 2089 for (i = 0; i < count; i++) { 2090 found = B_FALSE; 2091 for (consnp = topo_list_next(&cp->sec_nodes); 2092 consnp != NULL; consnp = topo_list_next(consnp)) { 2093 if (consnp->sen_type == SES_ET_SAS_CONNECTOR) { 2094 psprops = ses_node_props( 2095 consnp->sen_node); 2096 /* 2097 * Get the physical parent index to 2098 * compare. 2099 * The connector elements are children 2100 * of ESC Electronics element even 2101 * though we enumerate them under 2102 * an expander in libtopo. 2103 */ 2104 if (nvlist_lookup_uint64(psprops, 2105 SES_PROP_ELEMENT_ONLY_INDEX, 2106 &conindex) == 0) { 2107 if (conindex == 2108 connectors[i].scpd_index) { 2109 found = B_TRUE; 2110 break; 2111 } 2112 } 2113 } 2114 } 2115 2116 /* now create a libtopo node. */ 2117 if (found) { 2118 /* Create generic props. */ 2119 if (ses_create_generic(sdp, consnp, exptn, 2120 topo_node_parent(exptn), 2121 RECEPTACLE, "RECEPTACLE", &contn) != 2122 0) { 2123 continue; 2124 } 2125 /* Create connector specific props. */ 2126 if (ses_set_connector_props(sdp, consnp, 2127 contn, connectors[i].scpd_pm) != 0) { 2128 continue; 2129 } 2130 } 2131 } 2132 /* end indentation change */ 2133 } 2134 } 2135 } 2136 } 2137 2138 return (0); 2139 } 2140 2141 /* 2142 * Instantiate any protocol specific portion of a node. 2143 */ 2144 /*ARGSUSED*/ 2145 static int 2146 ses_create_protocol_specific(ses_enum_data_t *sdp, ses_enum_node_t *snp, 2147 tnode_t *pnode, uint64_t type, ses_enum_chassis_t *cp, 2148 boolean_t dorange) 2149 { 2150 2151 if (type == SES_ET_ESC_ELECTRONICS) { 2152 /* create SAS specific children(expanders and connectors. */ 2153 return (ses_create_esc_sasspecific(sdp, snp, pnode, cp, 2154 dorange)); 2155 } 2156 2157 return (0); 2158 } 2159 2160 /* 2161 * Instantiate any children of a given type. 2162 */ 2163 static int 2164 ses_create_children(ses_enum_data_t *sdp, tnode_t *pnode, uint64_t type, 2165 const char *nodename, const char *defaultlabel, ses_enum_chassis_t *cp, 2166 boolean_t dorange) 2167 { 2168 topo_mod_t *mod = sdp->sed_mod; 2169 boolean_t found; 2170 uint64_t max; 2171 ses_enum_node_t *snp; 2172 tnode_t *tn; 2173 2174 /* 2175 * First go through and count how many matching nodes we have. 2176 */ 2177 max = 0; 2178 found = B_FALSE; 2179 for (snp = topo_list_next(&cp->sec_nodes); snp != NULL; 2180 snp = topo_list_next(snp)) { 2181 if (snp->sen_type == type) { 2182 found = B_TRUE; 2183 if (snp->sen_instance > max) 2184 max = snp->sen_instance; 2185 } 2186 } 2187 2188 /* 2189 * No enclosure should export both DEVICE and ARRAY_DEVICE elements. 2190 * Since we map both of these to 'disk', if an enclosure does this, we 2191 * just ignore the array elements. 2192 */ 2193 if (!found || 2194 (type == SES_ET_ARRAY_DEVICE && cp->sec_hasdev)) 2195 return (0); 2196 2197 topo_mod_dprintf(mod, "%s: creating %llu %s nodes", 2198 cp->sec_csn, max + 1, nodename); 2199 2200 if (dorange && topo_node_range_create(mod, pnode, 2201 nodename, 0, max) != 0) { 2202 topo_mod_dprintf(mod, 2203 "topo_node_create_range() failed: %s", 2204 topo_mod_errmsg(mod)); 2205 return (-1); 2206 } 2207 2208 for (snp = topo_list_next(&cp->sec_nodes); snp != NULL; 2209 snp = topo_list_next(snp)) { 2210 if (snp->sen_type == type) { 2211 /* 2212 * With flat layout of ses nodes there is no 2213 * way to find out the direct FRU for a node. 2214 * Passing NULL for fru topo node. Note that 2215 * ses_create_children_from_phys_tree() provides 2216 * the actual direct FRU for a node. 2217 */ 2218 if (ses_create_generic(sdp, snp, pnode, NULL, 2219 nodename, defaultlabel, &tn) != 0) 2220 return (-1); 2221 /* 2222 * For some SES element there may be protocol specific 2223 * information to process. Here we are processing 2224 * the association between enclosure controller and 2225 * SAS expanders. 2226 */ 2227 if (type == SES_ET_ESC_ELECTRONICS) { 2228 /* create SAS expander node */ 2229 if (ses_create_protocol_specific(sdp, snp, 2230 tn, type, cp, dorange) != 0) { 2231 return (-1); 2232 } 2233 } 2234 2235 } 2236 } 2237 2238 return (0); 2239 } 2240 2241 /* 2242 * Instantiate a new subchassis instance in the topology. 2243 */ 2244 static int 2245 ses_create_subchassis(ses_enum_data_t *sdp, tnode_t *pnode, 2246 ses_enum_chassis_t *scp) 2247 { 2248 topo_mod_t *mod = sdp->sed_mod; 2249 tnode_t *tn; 2250 nvlist_t *props; 2251 nvlist_t *auth = NULL, *fmri = NULL; 2252 uint64_t instance = scp->sec_instance; 2253 char *desc; 2254 char label[128]; 2255 char **paths; 2256 int i, err; 2257 ses_enum_target_t *stp; 2258 int ret = -1; 2259 2260 /* 2261 * Copy authority information from parent enclosure node 2262 */ 2263 if ((auth = topo_mod_auth(mod, pnode)) == NULL) 2264 goto error; 2265 2266 /* 2267 * Record the subchassis serial number in the FMRI. 2268 * For now, we assume that logical id is the subchassis serial number. 2269 * If this assumption changes in future, then the following 2270 * piece of code will need to be updated via an RFE. 2271 */ 2272 if ((fmri = topo_mod_hcfmri(mod, pnode, FM_HC_SCHEME_VERSION, 2273 SUBCHASSIS, (topo_instance_t)instance, NULL, auth, NULL, NULL, 2274 NULL)) == NULL) { 2275 topo_mod_dprintf(mod, "topo_mod_hcfmri() failed: %s", 2276 topo_mod_errmsg(mod)); 2277 goto error; 2278 } 2279 2280 if ((tn = topo_node_bind(mod, pnode, SUBCHASSIS, 2281 instance, fmri)) == NULL) { 2282 topo_mod_dprintf(mod, "topo_node_bind() failed: %s", 2283 topo_mod_errmsg(mod)); 2284 goto error; 2285 } 2286 2287 props = ses_node_props(scp->sec_enclosure); 2288 2289 /* 2290 * Look for the subchassis label in the following order: 2291 * <ses-description> 2292 * <ses-class-description> <instance> 2293 * <default-type-label> <instance> 2294 * 2295 * For subchassis, the default label is "SUBCHASSIS" 2296 */ 2297 if (nvlist_lookup_string(props, SES_PROP_DESCRIPTION, &desc) != 0 || 2298 desc[0] == '\0') { 2299 if (nvlist_lookup_string(props, SES_PROP_CLASS_DESCRIPTION, 2300 &desc) == 0 && desc[0] != '\0') 2301 (void) snprintf(label, sizeof (label), "%s %llu", desc, 2302 instance); 2303 else 2304 (void) snprintf(label, sizeof (label), 2305 "SUBCHASSIS %llu", instance); 2306 desc = label; 2307 } 2308 2309 if (topo_node_label_set(tn, desc, &err) != 0) 2310 goto error; 2311 2312 if (ses_set_standard_props(mod, NULL, tn, NULL, 2313 ses_node_id(scp->sec_enclosure), scp->sec_target->set_devpath) != 0) 2314 goto error; 2315 2316 /* 2317 * Set the 'chassis-type' property for this subchassis. This is either 2318 * 'ses-class-description' or 'subchassis'. 2319 */ 2320 if (nvlist_lookup_string(props, SES_PROP_CLASS_DESCRIPTION, &desc) != 0) 2321 desc = "subchassis"; 2322 2323 if (topo_prop_set_string(tn, TOPO_PGROUP_SES, 2324 TOPO_PROP_CHASSIS_TYPE, TOPO_PROP_IMMUTABLE, desc, &err) != 0) { 2325 topo_mod_dprintf(mod, "failed to create property %s: %s\n", 2326 TOPO_PROP_CHASSIS_TYPE, topo_strerror(err)); 2327 goto error; 2328 } 2329 2330 /* 2331 * For enclosures, we want to include all possible targets (for upgrade 2332 * purposes). 2333 */ 2334 for (i = 0, stp = topo_list_next(&scp->sec_targets); stp != NULL; 2335 stp = topo_list_next(stp), i++) 2336 ; 2337 2338 verify(i != 0); 2339 paths = alloca(i * sizeof (char *)); 2340 2341 for (i = 0, stp = topo_list_next(&scp->sec_targets); stp != NULL; 2342 stp = topo_list_next(stp), i++) 2343 paths[i] = stp->set_devpath; 2344 2345 if (topo_prop_set_string_array(tn, TOPO_PGROUP_SES, 2346 TOPO_PROP_PATHS, TOPO_PROP_IMMUTABLE, (const char **)paths, 2347 i, &err) != 0) { 2348 topo_mod_dprintf(mod, "failed to create property %s: %s\n", 2349 TOPO_PROP_PATHS, topo_strerror(err)); 2350 goto error; 2351 } 2352 2353 if (topo_method_register(mod, tn, ses_enclosure_methods) != 0) { 2354 topo_mod_dprintf(mod, "topo_method_register() failed: %s", 2355 topo_mod_errmsg(mod)); 2356 goto error; 2357 } 2358 2359 /* 2360 * Create the nodes for controllers and bays. 2361 */ 2362 if (ses_create_children(sdp, tn, SES_ET_ESC_ELECTRONICS, 2363 CONTROLLER, "CONTROLLER", scp, B_TRUE) != 0 || 2364 ses_create_children(sdp, tn, SES_ET_DEVICE, 2365 BAY, "BAY", scp, B_TRUE) != 0 || 2366 ses_create_children(sdp, tn, SES_ET_ARRAY_DEVICE, 2367 BAY, "BAY", scp, B_TRUE) != 0) 2368 goto error; 2369 2370 ret = 0; 2371 2372 error: 2373 nvlist_free(auth); 2374 nvlist_free(fmri); 2375 return (ret); 2376 } 2377 2378 /* 2379 * Function we use to insert a node. 2380 */ 2381 static int 2382 ses_phys_tree_insert(topo_mod_t *mod, ses_phys_tree_t **sproot, 2383 ses_phys_tree_t *child) 2384 { 2385 uint64_t ppindex, eindex, pindex; 2386 ses_phys_tree_t *node_ptr; 2387 int ret = 0; 2388 2389 assert(sproot != NULL); 2390 assert(child != NULL); 2391 2392 if (*sproot == NULL) { 2393 *sproot = child; 2394 return (0); 2395 } 2396 2397 pindex = child->spt_pindex; 2398 ppindex = (*sproot)->spt_pindex; 2399 eindex = (*sproot)->spt_eonlyindex; 2400 2401 /* 2402 * If the element only index of the root is same as the physical 2403 * parent index of a node to be added, add the node as a child of 2404 * the current root. 2405 */ 2406 if (eindex == pindex) { 2407 (void) ses_phys_tree_insert(mod, &(*sproot)->spt_child, child); 2408 child->spt_parent = *sproot; 2409 } else if (ppindex == pindex) { 2410 /* 2411 * if the physical parent of the current root and the child 2412 * is same, then this should be a sibling node. 2413 * Siblings can be different element types and arrange 2414 * them by group. 2415 */ 2416 if ((*sproot)->spt_senumnode->sen_type == 2417 child->spt_senumnode->sen_type) { 2418 child->spt_sibling = *sproot; 2419 *sproot = child; 2420 } else { 2421 /* add a node in front of matching element type. */ 2422 node_ptr = *sproot; 2423 while (node_ptr->spt_sibling != NULL) { 2424 if (node_ptr->spt_sibling-> 2425 spt_senumnode->sen_type == 2426 child->spt_senumnode->sen_type) { 2427 child->spt_sibling = 2428 node_ptr->spt_sibling; 2429 node_ptr->spt_sibling = child; 2430 break; 2431 } 2432 node_ptr = node_ptr->spt_sibling; 2433 } 2434 /* no matching. Add the child at the end. */ 2435 if (node_ptr->spt_sibling == NULL) { 2436 node_ptr->spt_sibling = child; 2437 } 2438 } 2439 child->spt_parent = (*sproot)->spt_parent; 2440 } else { 2441 /* 2442 * The root and the node is not directly related. 2443 * Try to insert to the child sub-tree first and then try to 2444 * insert to the sibling sub-trees. If fails for both 2445 * the caller will retry insertion later. 2446 */ 2447 if ((*sproot)->spt_child) { 2448 ret = ses_phys_tree_insert(mod, &(*sproot)->spt_child, 2449 child); 2450 } 2451 if ((*sproot)->spt_child == NULL || ret != 0) { 2452 if ((*sproot)->spt_sibling) { 2453 ret = ses_phys_tree_insert(mod, 2454 &(*sproot)->spt_sibling, child); 2455 } else { 2456 ret = 1; 2457 } 2458 } 2459 return (ret); 2460 } 2461 return (0); 2462 } 2463 2464 /* 2465 * Construct tree view of ses elements through parent phyiscal element index. 2466 * The root of tree is already constructed using the enclosure element. 2467 */ 2468 static int 2469 ses_construct_phys_tree(ses_enum_data_t *sdp, ses_enum_chassis_t *cp, 2470 ses_phys_tree_t *sproot) 2471 { 2472 ses_enum_node_t *snp; 2473 ses_phys_tree_t *child; 2474 ses_phys_tree_t *u_watch = NULL; 2475 ses_phys_tree_t *u_head = NULL; 2476 ses_phys_tree_t *u_tail = NULL; 2477 int u_inserted = 0, u_left = 0; 2478 nvlist_t *props; 2479 topo_mod_t *mod = sdp->sed_mod; 2480 2481 for (snp = topo_list_next(&cp->sec_nodes); snp != NULL; 2482 snp = topo_list_next(snp)) { 2483 if ((child = topo_mod_zalloc(mod, 2484 sizeof (ses_phys_tree_t))) == NULL) { 2485 topo_mod_dprintf(mod, 2486 "failed to allocate root."); 2487 return (-1); 2488 } 2489 child->spt_snode = snp->sen_node; 2490 props = ses_node_props(snp->sen_node); 2491 if (nvlist_lookup_uint64(props, 2492 LIBSES_PROP_PHYS_PARENT, &child->spt_pindex) != 0) { 2493 /* 2494 * the prop should exist. continue to see if 2495 * we can build a partial tree with other elements. 2496 */ 2497 topo_mod_dprintf(mod, 2498 "ses_construct_phys_tree(): Failed to find prop %s " 2499 "on ses element type %d and instance %d " 2500 "(CSN %s).", LIBSES_PROP_PHYS_PARENT, 2501 snp->sen_type, snp->sen_instance, cp->sec_csn); 2502 topo_mod_free(mod, child, sizeof (ses_phys_tree_t)); 2503 continue; 2504 } else { 2505 if (nvlist_lookup_boolean_value(props, 2506 LIBSES_PROP_FRU, &child->spt_isfru) != 0) { 2507 topo_mod_dprintf(mod, 2508 "ses_construct_phys_tree(): Failed to " 2509 "find prop %s on ses element type %d " 2510 "and instance %d (CSN %s).", 2511 LIBSES_PROP_FRU, 2512 snp->sen_type, snp->sen_instance, 2513 cp->sec_csn); 2514 /* 2515 * Ignore if the prop doesn't exist. 2516 * Note that the enclosure itself should be 2517 * a FRU so if no FRU found the enclosure FRU 2518 * can be a direct FRU. 2519 */ 2520 } 2521 verify(nvlist_lookup_uint64(props, 2522 SES_PROP_ELEMENT_ONLY_INDEX, 2523 &child->spt_eonlyindex) == 0); 2524 verify(nvlist_lookup_uint64(props, 2525 SES_PROP_ELEMENT_CLASS_INDEX, 2526 &child->spt_cindex) == 0); 2527 } 2528 child->spt_senumnode = snp; 2529 if (ses_phys_tree_insert(mod, &sproot, child) != 0) { 2530 /* collect unresolved element to process later. */ 2531 if (u_head == NULL) { 2532 u_head = child; 2533 u_tail = child; 2534 } else { 2535 child->spt_sibling = u_head; 2536 u_head = child; 2537 } 2538 } 2539 } 2540 2541 /* 2542 * The parent of a child node may not be inserted yet. 2543 * Trying to insert the child until no child is left or 2544 * no child is not added further. For the latter 2545 * the hierarchical relationship between elements 2546 * should be checked through SUNW,FRUID page. 2547 * u_watch is a watch dog to check the prgress of unresolved 2548 * node. 2549 */ 2550 u_watch = u_tail; 2551 while (u_head) { 2552 child = u_head; 2553 u_head = u_head->spt_sibling; 2554 if (u_head == NULL) 2555 u_tail = NULL; 2556 child->spt_sibling = NULL; 2557 if (ses_phys_tree_insert(mod, &sproot, child) != 0) { 2558 u_tail->spt_sibling = child; 2559 u_tail = child; 2560 if (child == u_watch) { 2561 /* 2562 * We just scanned one round for the 2563 * unresolved list. Check to see whether we 2564 * have nodes inserted, if none, we should 2565 * break in case of an indefinite loop. 2566 */ 2567 if (u_inserted == 0) { 2568 /* 2569 * Indicate there is unhandled node. 2570 * Chain free the whole unsolved 2571 * list here. 2572 */ 2573 u_left++; 2574 break; 2575 } else { 2576 u_inserted = 0; 2577 u_watch = u_tail; 2578 } 2579 } 2580 } else { 2581 /* 2582 * We just inserted one rpnode, increment the 2583 * unsolved_inserted counter. We will utilize this 2584 * counter to detect an indefinite insertion loop. 2585 */ 2586 u_inserted++; 2587 if (child == u_watch) { 2588 /* 2589 * watch dog node itself is inserted. 2590 * Set it to the tail and refresh the watching. 2591 */ 2592 u_watch = u_tail; 2593 u_inserted = 0; 2594 u_left = 0; 2595 } 2596 } 2597 } 2598 2599 /* check if there is left out unresolved nodes. */ 2600 if (u_left) { 2601 topo_mod_dprintf(mod, "ses_construct_phys_tree(): " 2602 "Failed to construct physical view of the following " 2603 "ses elements of Chassis CSN %s.", cp->sec_csn); 2604 while (u_head) { 2605 u_tail = u_head->spt_sibling; 2606 topo_mod_dprintf(mod, 2607 "\telement type (%d) and instance (%d)", 2608 u_head->spt_senumnode->sen_type, 2609 u_head->spt_senumnode->sen_instance); 2610 topo_mod_free(mod, u_head, sizeof (ses_phys_tree_t)); 2611 u_head = u_tail; 2612 } 2613 return (-1); 2614 } 2615 2616 return (0); 2617 } 2618 2619 /* 2620 * Free the whole phys tree. 2621 */ 2622 static void ses_phys_tree_free(topo_mod_t *mod, ses_phys_tree_t *sproot) 2623 { 2624 if (sproot == NULL) 2625 return; 2626 2627 /* Free child tree. */ 2628 if (sproot->spt_child) { 2629 ses_phys_tree_free(mod, sproot->spt_child); 2630 } 2631 2632 /* Free sibling trees. */ 2633 if (sproot->spt_sibling) { 2634 ses_phys_tree_free(mod, sproot->spt_sibling); 2635 } 2636 2637 /* Free root node itself. */ 2638 topo_mod_free(mod, sproot, sizeof (ses_phys_tree_t)); 2639 } 2640 2641 /* 2642 * Parses phys_enum_type table to get the index of the given type. 2643 */ 2644 static boolean_t 2645 is_type_enumerated(ses_phys_tree_t *node, int *index) 2646 { 2647 int i; 2648 2649 for (i = 0; i < N_PHYS_ENUM_TYPES; i++) { 2650 if (node->spt_senumnode->sen_type == 2651 phys_enum_type_list[i].pet_type) { 2652 *index = i; 2653 return (B_TRUE); 2654 } 2655 } 2656 return (B_FALSE); 2657 } 2658 2659 /* 2660 * Recusrive routine for top-down enumeration of the tree. 2661 */ 2662 static int 2663 ses_enumerate_node(ses_enum_data_t *sdp, tnode_t *pnode, ses_enum_chassis_t *cp, 2664 ses_phys_tree_t *parent, int mrange[]) 2665 { 2666 topo_mod_t *mod = sdp->sed_mod; 2667 ses_phys_tree_t *child = NULL; 2668 int i, ret = 0, ret_ch; 2669 uint64_t prevtype = SES_ET_UNSPECIFIED; 2670 ses_phys_tree_t *dirfru = NULL; 2671 tnode_t *tn = NULL, *frutn = NULL; 2672 2673 if (parent == NULL) { 2674 return (0); 2675 } 2676 2677 for (child = parent->spt_child; child != NULL; 2678 child = child->spt_sibling) { 2679 if (is_type_enumerated(child, &i)) { 2680 if (prevtype != phys_enum_type_list[i].pet_type) { 2681 /* check if range needs to be created. */ 2682 if (phys_enum_type_list[i].pet_dorange && 2683 topo_node_range_create(mod, pnode, 2684 phys_enum_type_list[i].pet_nodename, 0, 2685 mrange[i]) != 0) { 2686 topo_mod_dprintf(mod, 2687 "topo_node_create_range() failed: " 2688 "%s", topo_mod_errmsg(mod)); 2689 return (-1); 2690 } 2691 prevtype = phys_enum_type_list[i].pet_type; 2692 } 2693 2694 if (!(child->spt_isfru)) { 2695 for (dirfru = parent; dirfru != NULL; 2696 dirfru = dirfru->spt_parent) { 2697 if (dirfru->spt_isfru) { 2698 break; 2699 } 2700 } 2701 /* found direct FRU node. */ 2702 if (dirfru) { 2703 frutn = dirfru->spt_tnode; 2704 } else { 2705 frutn = NULL; 2706 } 2707 } else { 2708 frutn = NULL; 2709 } 2710 2711 if (ses_create_generic(sdp, child->spt_senumnode, 2712 pnode, frutn, phys_enum_type_list[i].pet_nodename, 2713 phys_enum_type_list[i].pet_defaultlabel, &tn) != 0) 2714 return (-1); 2715 2716 child->spt_tnode = tn; 2717 /* 2718 * For some SES element there may be protocol specific 2719 * information to process. Here we are processing 2720 * the association between enclosure controller and 2721 * SAS expanders. 2722 */ 2723 if (phys_enum_type_list[i].pet_type == 2724 SES_ET_ESC_ELECTRONICS) { 2725 /* create SAS expander node */ 2726 if (ses_create_protocol_specific(sdp, 2727 child->spt_senumnode, tn, 2728 phys_enum_type_list[i].pet_type, 2729 cp, phys_enum_type_list[i].pet_dorange) != 2730 0) { 2731 return (-1); 2732 } 2733 } 2734 } else { 2735 continue; 2736 } 2737 ret_ch = ses_enumerate_node(sdp, tn, cp, child, mrange); 2738 if (ret_ch) 2739 ret = ret_ch; /* there was an error and set the ret. */ 2740 } 2741 2742 return (ret); 2743 } 2744 2745 /* 2746 * Instantiate types of nodes that are specified in the hierarchy 2747 * element type list. 2748 */ 2749 static int 2750 ses_create_children_from_phys_tree(ses_enum_data_t *sdp, tnode_t *pnode, 2751 ses_enum_chassis_t *cp, ses_phys_tree_t *phys_tree) 2752 { 2753 topo_mod_t *mod = sdp->sed_mod; 2754 int mrange[N_PHYS_ENUM_TYPES] = { 0 }; 2755 ses_enum_node_t *snp; 2756 int i, ret; 2757 2758 /* 2759 * First get max range for each type of element to be enumerated. 2760 */ 2761 for (i = 0; i < N_PHYS_ENUM_TYPES; i++) { 2762 if (phys_enum_type_list[i].pet_dorange) { 2763 for (snp = topo_list_next(&cp->sec_nodes); snp != NULL; 2764 snp = topo_list_next(snp)) { 2765 if (snp->sen_type == 2766 phys_enum_type_list[i].pet_type) { 2767 if (snp->sen_instance > mrange[i]) 2768 mrange[i] = 2769 snp->sen_instance; 2770 } 2771 } 2772 } 2773 } 2774 2775 topo_mod_dprintf(mod, "%s: creating nodes from FRU hierarchy tree.", 2776 cp->sec_csn); 2777 2778 if ((ret = ses_enumerate_node(sdp, pnode, cp, phys_tree, mrange)) != 2779 0) { 2780 topo_mod_dprintf(mod, 2781 "ses_create_children_from_phys_tree() failed: "); 2782 return (ret); 2783 } 2784 2785 return (0); 2786 } 2787 2788 /* 2789 * Instantiate a new chassis instance in the topology. 2790 */ 2791 static int 2792 ses_create_chassis(ses_enum_data_t *sdp, tnode_t *pnode, ses_enum_chassis_t *cp) 2793 { 2794 topo_mod_t *mod = sdp->sed_mod; 2795 nvlist_t *props; 2796 char *raw_manufacturer, *raw_model, *raw_revision; 2797 char *manufacturer = NULL, *model = NULL, *product = NULL; 2798 char *revision = NULL; 2799 char *serial; 2800 char **paths; 2801 size_t prodlen; 2802 tnode_t *tn; 2803 nvlist_t *fmri = NULL, *auth = NULL; 2804 int ret = -1; 2805 ses_enum_node_t *snp; 2806 ses_enum_target_t *stp; 2807 ses_enum_chassis_t *scp; 2808 int i, err; 2809 uint64_t sc_count = 0, pindex; 2810 ses_phys_tree_t *sproot = NULL; 2811 hrtime_t start; 2812 hrtime_t end; 2813 double duration; 2814 2815 /* 2816 * Ignore any internal enclosures. 2817 */ 2818 if (cp->sec_internal) 2819 return (0); 2820 2821 /* 2822 * Check to see if there are any devices presennt in the chassis. If 2823 * not, ignore the chassis alltogether. This is most useful for 2824 * ignoring internal HBAs that present a SES target but don't actually 2825 * manage any of the devices. 2826 */ 2827 for (snp = topo_list_next(&cp->sec_nodes); snp != NULL; 2828 snp = topo_list_next(snp)) { 2829 if (snp->sen_type == SES_ET_DEVICE || 2830 snp->sen_type == SES_ET_ARRAY_DEVICE) 2831 break; 2832 } 2833 2834 if (snp == NULL) 2835 return (0); 2836 2837 props = ses_node_props(cp->sec_enclosure); 2838 2839 /* 2840 * We use the following property mappings: 2841 * 2842 * manufacturer vendor-id 2843 * model product-id 2844 * serial-number libses-chassis-serial 2845 */ 2846 verify(nvlist_lookup_string(props, SES_EN_PROP_VID, 2847 &raw_manufacturer) == 0); 2848 verify(nvlist_lookup_string(props, SES_EN_PROP_PID, &raw_model) == 0); 2849 verify(nvlist_lookup_string(props, SES_EN_PROP_REV, 2850 &raw_revision) == 0); 2851 verify(nvlist_lookup_string(props, LIBSES_EN_PROP_CSN, &serial) == 0); 2852 2853 /* 2854 * To construct the authority information, we 'clean' each string by 2855 * removing any offensive characters and trimmming whitespace. For the 2856 * 'product-id', we use a concatenation of 'manufacturer-model'. We 2857 * also take the numerical serial number and convert it to a string. 2858 */ 2859 if ((manufacturer = topo_mod_clean_str(mod, raw_manufacturer)) == 2860 NULL || (model = topo_mod_clean_str(mod, raw_model)) == NULL || 2861 (revision = topo_mod_clean_str(mod, raw_revision)) == NULL) { 2862 goto error; 2863 } 2864 2865 prodlen = strlen(manufacturer) + strlen(model) + 2; 2866 if ((product = topo_mod_alloc(mod, prodlen)) == NULL) 2867 goto error; 2868 2869 (void) snprintf(product, prodlen, "%s-%s", manufacturer, model); 2870 2871 /* 2872 * Construct the topo node and bind it to our parent. 2873 */ 2874 if (topo_mod_nvalloc(mod, &auth, NV_UNIQUE_NAME) != 0) 2875 goto error; 2876 2877 if (nvlist_add_string(auth, FM_FMRI_AUTH_PRODUCT, product) != 0 || 2878 nvlist_add_string(auth, FM_FMRI_AUTH_CHASSIS, serial) != 0) { 2879 (void) topo_mod_seterrno(mod, EMOD_NVL_INVAL); 2880 goto error; 2881 } 2882 2883 /* 2884 * We pass NULL for the parent FMRI because there is no resource 2885 * associated with it. For the toplevel enclosure, we leave the 2886 * serial/part/revision portions empty, which are reserved for 2887 * individual components within the chassis. 2888 */ 2889 if ((fmri = topo_mod_hcfmri(mod, NULL, FM_HC_SCHEME_VERSION, 2890 SES_ENCLOSURE, cp->sec_instance, NULL, auth, 2891 model, revision, serial)) == NULL) { 2892 topo_mod_dprintf(mod, "topo_mod_hcfmri() failed: %s", 2893 topo_mod_errmsg(mod)); 2894 goto error; 2895 } 2896 2897 if ((tn = topo_node_bind(mod, pnode, SES_ENCLOSURE, 2898 cp->sec_instance, fmri)) == NULL) { 2899 topo_mod_dprintf(mod, "topo_node_bind() failed: %s", 2900 topo_mod_errmsg(mod)); 2901 goto error; 2902 } 2903 2904 if (topo_method_register(mod, tn, ses_enclosure_methods) != 0) { 2905 topo_mod_dprintf(mod, 2906 "topo_method_register() failed: %s", 2907 topo_mod_errmsg(mod)); 2908 goto error; 2909 } 2910 2911 if (ses_set_standard_props(mod, NULL, tn, auth, 2912 ses_node_id(cp->sec_enclosure), cp->sec_target->set_devpath) != 0) 2913 goto error; 2914 2915 /* 2916 * For enclosures, we want to include all possible targets (for upgrade 2917 * purposes). 2918 */ 2919 for (i = 0, stp = topo_list_next(&cp->sec_targets); stp != NULL; 2920 stp = topo_list_next(stp), i++) 2921 ; 2922 2923 verify(i != 0); 2924 paths = alloca(i * sizeof (char *)); 2925 2926 for (i = 0, stp = topo_list_next(&cp->sec_targets); stp != NULL; 2927 stp = topo_list_next(stp), i++) 2928 paths[i] = stp->set_devpath; 2929 2930 2931 if (topo_prop_set_string_array(tn, TOPO_PGROUP_SES, 2932 TOPO_PROP_PATHS, TOPO_PROP_IMMUTABLE, (const char **)paths, 2933 i, &err) != 0) { 2934 topo_mod_dprintf(mod, 2935 "failed to create property %s: %s\n", 2936 TOPO_PROP_PATHS, topo_strerror(err)); 2937 goto error; 2938 } 2939 2940 if (nvlist_lookup_uint64(props, 2941 LIBSES_PROP_PHYS_PARENT, &pindex) == 0) { 2942 start = gethrtime(); /* to mearusre performance */ 2943 /* 2944 * The enclosure is supported through SUNW,FRUID. 2945 * Need to enumerate the nodes through hierarchical order. 2946 */ 2947 if ((sproot = topo_mod_zalloc(mod, 2948 sizeof (ses_phys_tree_t))) == NULL) { 2949 topo_mod_dprintf(mod, 2950 "failed to allocate root: %s\n", 2951 topo_strerror(err)); 2952 goto error; 2953 } 2954 sproot->spt_pindex = pindex; 2955 if (nvlist_lookup_boolean_value(props, 2956 LIBSES_PROP_FRU, &sproot->spt_isfru) != 0) { 2957 topo_mod_dprintf(mod, 2958 "ses_create_chassis(): Failed to find prop %s " 2959 "on enclosure element (CSN %s).", 2960 LIBSES_PROP_FRU, cp->sec_csn); 2961 /* an enclosure should be a FRU. continue to process. */ 2962 sproot->spt_isfru = B_TRUE; 2963 } 2964 if (nvlist_lookup_uint64(props, 2965 SES_PROP_ELEMENT_ONLY_INDEX, 2966 &sproot->spt_eonlyindex) != 0) { 2967 topo_mod_dprintf(mod, 2968 "ses_create_chassis(): Failed to find prop %s " 2969 "on enclosure element (CSN %s).", 2970 LIBSES_PROP_PHYS_PARENT, cp->sec_csn); 2971 topo_mod_free(mod, sproot, sizeof (ses_phys_tree_t)); 2972 goto error; 2973 } 2974 if (sproot->spt_pindex != sproot->spt_eonlyindex) { 2975 topo_mod_dprintf(mod, "ses_create_chassis(): " 2976 "Enclosure element(CSN %s) should have " 2977 "itself as the parent to be the root node " 2978 "of FRU hierarchical tree.)", cp->sec_csn); 2979 topo_mod_free(mod, sproot, sizeof (ses_phys_tree_t)); 2980 goto error; 2981 } else { 2982 sproot->spt_snode = cp->sec_enclosure; 2983 sproot->spt_tnode = tn; 2984 /* construct a tree. */ 2985 if (ses_construct_phys_tree(sdp, cp, sproot) != 0) { 2986 topo_mod_dprintf(mod, "ses_create_chassis(): " 2987 "Failed to construct FRU hierarchical " 2988 "tree on enclosure (CSN %s.)", 2989 cp->sec_csn); 2990 } 2991 2992 /* enumerate elements from the tree. */ 2993 if (ses_create_children_from_phys_tree(sdp, tn, cp, 2994 sproot) != 0) { 2995 topo_mod_dprintf(mod, "ses_create_chassis(): " 2996 "Failed to create children topo nodes out " 2997 "of FRU hierarchical tree on enclosure " 2998 "(CSN %s).", cp->sec_csn); 2999 } 3000 /* destroy the phys tree. */ 3001 ses_phys_tree_free(mod, sproot); 3002 } 3003 3004 end = gethrtime(); 3005 duration = end - start; 3006 duration /= HR_SECOND; 3007 topo_mod_dprintf(mod, 3008 "FRU boundary tree based enumeration: %.6f seconds", 3009 duration); 3010 } else { 3011 /* 3012 * Create the nodes for power supplies, fans, controllers and 3013 * devices. Note that SAS exopander nodes and connector nodes 3014 * are handled through protocol specific processing of 3015 * controllers. 3016 */ 3017 if (ses_create_children(sdp, tn, SES_ET_POWER_SUPPLY, 3018 PSU, "PSU", cp, B_TRUE) != 0 || 3019 ses_create_children(sdp, tn, SES_ET_COOLING, 3020 FAN, "FAN", cp, B_TRUE) != 0 || 3021 ses_create_children(sdp, tn, SES_ET_ESC_ELECTRONICS, 3022 CONTROLLER, "CONTROLLER", cp, B_TRUE) != 0 || 3023 ses_create_children(sdp, tn, SES_ET_DEVICE, 3024 BAY, "BAY", cp, B_TRUE) != 0 || 3025 ses_create_children(sdp, tn, SES_ET_ARRAY_DEVICE, 3026 BAY, "BAY", cp, B_TRUE) != 0) 3027 goto error; 3028 } 3029 3030 if (cp->sec_maxinstance >= 0 && 3031 (topo_node_range_create(mod, tn, SUBCHASSIS, 0, 3032 cp->sec_maxinstance) != 0)) { 3033 topo_mod_dprintf(mod, "topo_node_create_range() failed: %s", 3034 topo_mod_errmsg(mod)); 3035 goto error; 3036 } 3037 3038 for (scp = topo_list_next(&cp->sec_subchassis); scp != NULL; 3039 scp = topo_list_next(scp)) { 3040 3041 if (ses_create_subchassis(sdp, tn, scp) != 0) 3042 goto error; 3043 3044 topo_mod_dprintf(mod, "created Subchassis node with " 3045 "instance %u\nand target (%s) under Chassis with CSN %s", 3046 scp->sec_instance, scp->sec_target->set_devpath, 3047 cp->sec_csn); 3048 3049 sc_count++; 3050 } 3051 3052 topo_mod_dprintf(mod, "%s: created %llu %s nodes", 3053 cp->sec_csn, sc_count, SUBCHASSIS); 3054 3055 cp->sec_target->set_refcount++; 3056 topo_node_setspecific(tn, cp->sec_target); 3057 3058 ret = 0; 3059 error: 3060 topo_mod_strfree(mod, manufacturer); 3061 topo_mod_strfree(mod, model); 3062 topo_mod_strfree(mod, revision); 3063 topo_mod_strfree(mod, product); 3064 3065 nvlist_free(fmri); 3066 nvlist_free(auth); 3067 return (ret); 3068 } 3069 3070 /* 3071 * Create a bay node explicitly enumerated via XML. 3072 */ 3073 static int 3074 ses_create_bays(ses_enum_data_t *sdp, tnode_t *pnode) 3075 { 3076 topo_mod_t *mod = sdp->sed_mod; 3077 ses_enum_chassis_t *cp; 3078 3079 /* 3080 * Iterate over chassis looking for an internal enclosure. This 3081 * property is set via a vendor-specific plugin, and there should only 3082 * ever be a single internal chassis in a system. 3083 */ 3084 for (cp = topo_list_next(&sdp->sed_chassis); cp != NULL; 3085 cp = topo_list_next(cp)) { 3086 if (cp->sec_internal) 3087 break; 3088 } 3089 3090 if (cp == NULL) { 3091 topo_mod_dprintf(mod, "failed to find internal chassis\n"); 3092 return (-1); 3093 } 3094 3095 if (ses_create_children(sdp, pnode, SES_ET_DEVICE, 3096 BAY, "BAY", cp, B_FALSE) != 0 || 3097 ses_create_children(sdp, pnode, SES_ET_ARRAY_DEVICE, 3098 BAY, "BAY", cp, B_FALSE) != 0) 3099 return (-1); 3100 3101 return (0); 3102 } 3103 3104 /* 3105 * Initialize chassis or subchassis. 3106 */ 3107 static int 3108 ses_init_chassis(topo_mod_t *mod, ses_enum_data_t *sdp, ses_enum_chassis_t *pcp, 3109 ses_enum_chassis_t *cp, ses_node_t *np, nvlist_t *props, 3110 uint64_t subchassis, ses_chassis_type_e flags) 3111 { 3112 boolean_t internal, ident; 3113 3114 assert((flags & (SES_NEW_CHASSIS | SES_NEW_SUBCHASSIS | 3115 SES_DUP_CHASSIS | SES_DUP_SUBCHASSIS)) != 0); 3116 3117 assert(cp != NULL); 3118 assert(np != NULL); 3119 assert(props != NULL); 3120 3121 if (flags & (SES_NEW_SUBCHASSIS | SES_DUP_SUBCHASSIS)) 3122 assert(pcp != NULL); 3123 3124 topo_mod_dprintf(mod, "ses_init_chassis: %s: index %llu, flags (%d)", 3125 sdp->sed_name, subchassis, flags); 3126 3127 if (flags & (SES_NEW_CHASSIS | SES_NEW_SUBCHASSIS)) { 3128 3129 topo_mod_dprintf(mod, "new chassis/subchassis"); 3130 if (nvlist_lookup_boolean_value(props, 3131 LIBSES_EN_PROP_INTERNAL, &internal) == 0) 3132 cp->sec_internal = internal; 3133 3134 cp->sec_enclosure = np; 3135 cp->sec_target = sdp->sed_target; 3136 3137 if (flags & SES_NEW_CHASSIS) { 3138 if (!cp->sec_internal) 3139 cp->sec_instance = sdp->sed_instance++; 3140 topo_list_append(&sdp->sed_chassis, cp); 3141 } else { 3142 if (subchassis != NO_SUBCHASSIS) 3143 cp->sec_instance = subchassis; 3144 else 3145 cp->sec_instance = pcp->sec_scinstance++; 3146 3147 if (cp->sec_instance > pcp->sec_maxinstance) 3148 pcp->sec_maxinstance = cp->sec_instance; 3149 3150 topo_list_append(&pcp->sec_subchassis, cp); 3151 } 3152 3153 } else { 3154 topo_mod_dprintf(mod, "dup chassis/subchassis"); 3155 if (nvlist_lookup_boolean_value(props, 3156 SES_PROP_IDENT, &ident) == 0) { 3157 topo_mod_dprintf(mod, "overriding enclosure node"); 3158 3159 cp->sec_enclosure = np; 3160 cp->sec_target = sdp->sed_target; 3161 } 3162 } 3163 3164 topo_list_append(&cp->sec_targets, sdp->sed_target); 3165 sdp->sed_current = cp; 3166 3167 return (0); 3168 } 3169 3170 /* 3171 * Gather nodes from the current SES target into our chassis list, merging the 3172 * results if necessary. 3173 */ 3174 static ses_walk_action_t 3175 ses_enum_gather(ses_node_t *np, void *data) 3176 { 3177 nvlist_t *props = ses_node_props(np); 3178 ses_enum_data_t *sdp = data; 3179 topo_mod_t *mod = sdp->sed_mod; 3180 ses_enum_chassis_t *cp, *scp; 3181 ses_enum_node_t *snp; 3182 ses_alt_node_t *sap; 3183 char *csn; 3184 uint64_t instance, type; 3185 uint64_t prevstatus, status; 3186 boolean_t report; 3187 uint64_t subchassis = NO_SUBCHASSIS; 3188 3189 if (ses_node_type(np) == SES_NODE_ENCLOSURE) { 3190 /* 3191 * If we have already identified the chassis for this target, 3192 * then this is a secondary enclosure and we should ignore it, 3193 * along with the rest of the tree (since this is depth-first). 3194 */ 3195 if (sdp->sed_current != NULL) 3196 return (SES_WALK_ACTION_TERMINATE); 3197 3198 /* 3199 * Go through the list of chassis we have seen so far and see 3200 * if this serial number matches one of the known values. 3201 * If so, check whether this enclosure is a subchassis. 3202 */ 3203 if (nvlist_lookup_string(props, LIBSES_EN_PROP_CSN, 3204 &csn) != 0) 3205 return (SES_WALK_ACTION_TERMINATE); 3206 3207 (void) nvlist_lookup_uint64(props, LIBSES_EN_PROP_SUBCHASSIS_ID, 3208 &subchassis); 3209 3210 topo_mod_dprintf(mod, "ses_enum_gather: Enclosure Node (%s) " 3211 "CSN (%s), subchassis (%llu)", sdp->sed_name, csn, 3212 subchassis); 3213 3214 /* 3215 * We need to determine whether this enclosure node 3216 * represents a chassis or a subchassis. Since we may 3217 * receive the enclosure nodes in a non-deterministic 3218 * manner, we need to account for all possible combinations: 3219 * 1. Chassis for the current CSN has not yet been 3220 * allocated 3221 * 1.1 This is a new chassis: 3222 * allocate and instantiate the chassis 3223 * 1.2 This is a new subchassis: 3224 * allocate a placeholder chassis 3225 * allocate and instantiate the subchassis 3226 * link the subchassis to the chassis 3227 * 2. Chassis for the current CSN has been allocated 3228 * 2.1 This is a duplicate chassis enclosure 3229 * check whether to override old chassis 3230 * append to chassis' target list 3231 * 2.2 Only placeholder chassis exists 3232 * fill in the chassis fields 3233 * 2.3 This is a new subchassis 3234 * allocate and instantiate the subchassis 3235 * link the subchassis to the chassis 3236 * 2.4 This is a duplicate subchassis enclosure 3237 * check whether to override old chassis 3238 * append to chassis' target list 3239 */ 3240 3241 for (cp = topo_list_next(&sdp->sed_chassis); cp != NULL; 3242 cp = topo_list_next(cp)) 3243 if (strcmp(cp->sec_csn, csn) == 0) 3244 break; 3245 3246 if (cp == NULL) { 3247 /* 1. Haven't seen a chassis with this CSN before */ 3248 3249 if ((cp = topo_mod_zalloc(mod, 3250 sizeof (ses_enum_chassis_t))) == NULL) 3251 goto error; 3252 3253 cp->sec_scinstance = SES_STARTING_SUBCHASSIS; 3254 cp->sec_maxinstance = -1; 3255 cp->sec_csn = csn; 3256 3257 if (subchassis == NO_SUBCHASSIS) { 3258 /* 1.1 This is a new chassis */ 3259 3260 topo_mod_dprintf(mod, "%s: Initialize new " 3261 "chassis with CSN %s", sdp->sed_name, csn); 3262 3263 if (ses_init_chassis(mod, sdp, NULL, cp, 3264 np, props, NO_SUBCHASSIS, 3265 SES_NEW_CHASSIS) < 0) 3266 goto error; 3267 } else { 3268 /* 1.2 This is a new subchassis */ 3269 3270 topo_mod_dprintf(mod, "%s: Initialize new " 3271 "subchassis with CSN %s and index %llu", 3272 sdp->sed_name, csn, subchassis); 3273 3274 if ((scp = topo_mod_zalloc(mod, 3275 sizeof (ses_enum_chassis_t))) == NULL) 3276 goto error; 3277 3278 scp->sec_csn = csn; 3279 3280 if (ses_init_chassis(mod, sdp, cp, scp, np, 3281 props, subchassis, SES_NEW_SUBCHASSIS) < 0) 3282 goto error; 3283 } 3284 } else { 3285 /* 3286 * We have a chassis or subchassis with this CSN. If 3287 * it's a chassis, we must check to see whether it is 3288 * a placeholder previously created because we found a 3289 * subchassis with this CSN. We will know that because 3290 * the sec_target value will not be set; it is set only 3291 * in ses_init_chassis(). In that case, initialise it 3292 * as a new chassis; otherwise, it's a duplicate and we 3293 * need to append only. 3294 */ 3295 if (subchassis == NO_SUBCHASSIS) { 3296 if (cp->sec_target != NULL) { 3297 /* 2.1 This is a duplicate chassis */ 3298 3299 topo_mod_dprintf(mod, "%s: Append " 3300 "duplicate chassis with CSN (%s)", 3301 sdp->sed_name, csn); 3302 3303 if (ses_init_chassis(mod, sdp, NULL, cp, 3304 np, props, NO_SUBCHASSIS, 3305 SES_DUP_CHASSIS) < 0) 3306 goto error; 3307 } else { 3308 /* Placeholder chassis - init it up */ 3309 topo_mod_dprintf(mod, "%s: Initialize" 3310 "placeholder chassis with CSN %s", 3311 sdp->sed_name, csn); 3312 3313 if (ses_init_chassis(mod, sdp, NULL, 3314 cp, np, props, NO_SUBCHASSIS, 3315 SES_NEW_CHASSIS) < 0) 3316 goto error; 3317 3318 } 3319 } else { 3320 /* This is a subchassis */ 3321 3322 for (scp = topo_list_next(&cp->sec_subchassis); 3323 scp != NULL; scp = topo_list_next(scp)) 3324 if (scp->sec_instance == subchassis) 3325 break; 3326 3327 if (scp == NULL) { 3328 /* 2.3 This is a new subchassis */ 3329 3330 topo_mod_dprintf(mod, "%s: Initialize " 3331 "new subchassis with CSN (%s) " 3332 "and LID (%s)", 3333 sdp->sed_name, csn); 3334 3335 if ((scp = topo_mod_zalloc(mod, 3336 sizeof (ses_enum_chassis_t))) 3337 == NULL) 3338 goto error; 3339 3340 scp->sec_csn = csn; 3341 3342 if (ses_init_chassis(mod, sdp, cp, scp, 3343 np, props, subchassis, 3344 SES_NEW_SUBCHASSIS) < 0) 3345 goto error; 3346 } else { 3347 /* 2.4 This is a duplicate subchassis */ 3348 3349 topo_mod_dprintf(mod, "%s: Append " 3350 "duplicate subchassis with " 3351 "CSN (%s)", sdp->sed_name, csn); 3352 3353 if (ses_init_chassis(mod, sdp, cp, scp, 3354 np, props, subchassis, 3355 SES_DUP_SUBCHASSIS) < 0) 3356 goto error; 3357 } 3358 } 3359 } 3360 } else if (ses_node_type(np) == SES_NODE_ELEMENT) { 3361 /* 3362 * If we haven't yet seen an enclosure node and identified the 3363 * current chassis, something is very wrong; bail out. 3364 */ 3365 if (sdp->sed_current == NULL) 3366 return (SES_WALK_ACTION_TERMINATE); 3367 3368 /* 3369 * If this isn't one of the element types we care about, then 3370 * ignore it. 3371 */ 3372 verify(nvlist_lookup_uint64(props, SES_PROP_ELEMENT_TYPE, 3373 &type) == 0); 3374 if (type != SES_ET_DEVICE && 3375 type != SES_ET_ARRAY_DEVICE && 3376 type != SES_ET_SUNW_FANBOARD && 3377 type != SES_ET_SUNW_FANMODULE && 3378 type != SES_ET_COOLING && 3379 type != SES_ET_SUNW_POWERBOARD && 3380 type != SES_ET_SUNW_POWERMODULE && 3381 type != SES_ET_POWER_SUPPLY && 3382 type != SES_ET_ESC_ELECTRONICS && 3383 type != SES_ET_SAS_EXPANDER && 3384 type != SES_ET_SAS_CONNECTOR) 3385 return (SES_WALK_ACTION_CONTINUE); 3386 3387 /* 3388 * Get the current instance number and see if we already know 3389 * about this element. If so, it means we have multiple paths 3390 * to the same elements, and we should ignore the current path. 3391 */ 3392 verify(nvlist_lookup_uint64(props, SES_PROP_ELEMENT_CLASS_INDEX, 3393 &instance) == 0); 3394 if (type == SES_ET_DEVICE || type == SES_ET_ARRAY_DEVICE) 3395 (void) nvlist_lookup_uint64(props, SES_PROP_BAY_NUMBER, 3396 &instance); 3397 3398 cp = sdp->sed_current; 3399 3400 for (snp = topo_list_next(&cp->sec_nodes); snp != NULL; 3401 snp = topo_list_next(snp)) { 3402 if (snp->sen_type == type && 3403 snp->sen_instance == instance) 3404 break; 3405 } 3406 3407 /* 3408 * We prefer the new element under the following circumstances: 3409 * 3410 * - The currently known element's status is unknown or not 3411 * available, but the new element has a known status. This 3412 * occurs if a given element is only available through a 3413 * particular target. 3414 * 3415 * - This is an ESC_ELECTRONICS element, and the 'reported-via' 3416 * property is set. This allows us to get reliable firmware 3417 * revision information from the enclosure node. 3418 */ 3419 if (snp != NULL) { 3420 if (nvlist_lookup_uint64( 3421 ses_node_props(snp->sen_node), 3422 SES_PROP_STATUS_CODE, &prevstatus) != 0) 3423 prevstatus = SES_ESC_UNSUPPORTED; 3424 if (nvlist_lookup_uint64( 3425 props, SES_PROP_STATUS_CODE, &status) != 0) 3426 status = SES_ESC_UNSUPPORTED; 3427 if (nvlist_lookup_boolean_value( 3428 props, SES_PROP_REPORT, &report) != 0) 3429 report = B_FALSE; 3430 3431 if ((SES_STATUS_UNAVAIL(prevstatus) && 3432 !SES_STATUS_UNAVAIL(status)) || 3433 (type == SES_ET_ESC_ELECTRONICS && 3434 report)) { 3435 snp->sen_node = np; 3436 snp->sen_target = sdp->sed_target; 3437 } 3438 3439 if ((sap = topo_mod_zalloc(mod, 3440 sizeof (ses_alt_node_t))) == NULL) 3441 goto error; 3442 3443 sap->san_node = np; 3444 topo_list_append(&snp->sen_alt_nodes, sap); 3445 3446 return (SES_WALK_ACTION_CONTINUE); 3447 } 3448 3449 if ((snp = topo_mod_zalloc(mod, 3450 sizeof (ses_enum_node_t))) == NULL) 3451 goto error; 3452 3453 if ((sap = topo_mod_zalloc(mod, 3454 sizeof (ses_alt_node_t))) == NULL) { 3455 topo_mod_free(mod, snp, sizeof (ses_enum_node_t)); 3456 goto error; 3457 } 3458 3459 topo_mod_dprintf(mod, "%s: adding node (%llu, %llu)", 3460 sdp->sed_name, type, instance); 3461 snp->sen_node = np; 3462 snp->sen_type = type; 3463 snp->sen_instance = instance; 3464 snp->sen_target = sdp->sed_target; 3465 sap->san_node = np; 3466 topo_list_append(&snp->sen_alt_nodes, sap); 3467 topo_list_append(&cp->sec_nodes, snp); 3468 3469 if (type == SES_ET_DEVICE) 3470 cp->sec_hasdev = B_TRUE; 3471 } 3472 3473 return (SES_WALK_ACTION_CONTINUE); 3474 3475 error: 3476 sdp->sed_errno = -1; 3477 return (SES_WALK_ACTION_TERMINATE); 3478 } 3479 3480 static int 3481 ses_process_dir(const char *dirpath, ses_enum_data_t *sdp) 3482 { 3483 topo_mod_t *mod = sdp->sed_mod; 3484 DIR *dir; 3485 struct dirent *dp; 3486 char path[PATH_MAX]; 3487 ses_enum_target_t *stp; 3488 int err = -1; 3489 3490 /* 3491 * Open the SES target directory and iterate over any available 3492 * targets. 3493 */ 3494 if ((dir = opendir(dirpath)) == NULL) { 3495 /* 3496 * If the SES target directory does not exist, then return as if 3497 * there are no active targets. 3498 */ 3499 topo_mod_dprintf(mod, "failed to open ses " 3500 "directory '%s'", dirpath); 3501 return (0); 3502 } 3503 3504 while ((dp = readdir(dir)) != NULL) { 3505 if (strcmp(dp->d_name, ".") == 0 || 3506 strcmp(dp->d_name, "..") == 0) 3507 continue; 3508 3509 /* 3510 * Create a new target instance and take a snapshot. 3511 */ 3512 if ((stp = topo_mod_zalloc(mod, 3513 sizeof (ses_enum_target_t))) == NULL) 3514 goto error; 3515 3516 (void) pthread_mutex_init(&stp->set_lock, NULL); 3517 3518 (void) snprintf(path, sizeof (path), "%s/%s", dirpath, 3519 dp->d_name); 3520 3521 /* 3522 * We keep track of the SES device path and export it on a 3523 * per-node basis to allow higher level software to get to the 3524 * corresponding SES state. 3525 */ 3526 if ((stp->set_devpath = topo_mod_strdup(mod, path)) == NULL) { 3527 topo_mod_free(mod, stp, sizeof (ses_enum_target_t)); 3528 goto error; 3529 } 3530 3531 if ((stp->set_target = 3532 ses_open(LIBSES_VERSION, path)) == NULL) { 3533 topo_mod_dprintf(mod, "failed to open ses target " 3534 "'%s': %s", dp->d_name, ses_errmsg()); 3535 ses_sof_alloc(mod, stp->set_devpath); 3536 topo_mod_free(mod, stp, sizeof (ses_enum_target_t)); 3537 continue; 3538 } 3539 topo_mod_dprintf(mod, "open contract"); 3540 ses_ssl_alloc(mod, stp); 3541 ses_create_contract(mod, stp); 3542 3543 stp->set_refcount = 1; 3544 sdp->sed_target = stp; 3545 stp->set_snap = ses_snap_hold(stp->set_target); 3546 stp->set_snaptime = gethrtime(); 3547 3548 /* 3549 * Enumerate over all SES elements and merge them into the 3550 * correct ses_enum_chassis_t. 3551 */ 3552 sdp->sed_current = NULL; 3553 sdp->sed_errno = 0; 3554 sdp->sed_name = dp->d_name; 3555 (void) ses_walk(stp->set_snap, ses_enum_gather, sdp); 3556 3557 if (sdp->sed_errno != 0) 3558 goto error; 3559 } 3560 3561 err = 0; 3562 error: 3563 (void) closedir(dir); 3564 return (err); 3565 } 3566 3567 static void 3568 ses_release(topo_mod_t *mod, tnode_t *tn) 3569 { 3570 ses_enum_target_t *stp; 3571 3572 if ((stp = topo_node_getspecific(tn)) != NULL) { 3573 topo_node_setspecific(tn, NULL); 3574 ses_target_free(mod, stp); 3575 } 3576 } 3577 3578 /*ARGSUSED*/ 3579 static int 3580 ses_enum(topo_mod_t *mod, tnode_t *rnode, const char *name, 3581 topo_instance_t min, topo_instance_t max, void *arg, void *notused) 3582 { 3583 ses_enum_chassis_t *cp; 3584 ses_enum_data_t *data; 3585 3586 /* 3587 * Check to make sure we're being invoked sensibly, and that we're not 3588 * being invoked as part of a post-processing step. 3589 */ 3590 if (strcmp(name, SES_ENCLOSURE) != 0 && strcmp(name, BAY) != 0) 3591 return (0); 3592 3593 /* 3594 * If this is the first time we've called our enumeration method, then 3595 * gather information about any available enclosures. 3596 */ 3597 if ((data = topo_mod_getspecific(mod)) == NULL) { 3598 ses_sof_freeall(mod); 3599 if ((data = topo_mod_zalloc(mod, sizeof (ses_enum_data_t))) == 3600 NULL) 3601 return (-1); 3602 3603 data->sed_mod = mod; 3604 topo_mod_setspecific(mod, data); 3605 3606 if (dev_list_gather(mod, &data->sed_devs) != 0) 3607 goto error; 3608 3609 /* 3610 * We search both the ses(7D) and sgen(7D) locations, so we are 3611 * independent of any particular driver class bindings. 3612 */ 3613 if (ses_process_dir("/dev/es", data) != 0 || 3614 ses_process_dir("/dev/scsi/ses", data) != 0) 3615 goto error; 3616 } 3617 3618 if (strcmp(name, SES_ENCLOSURE) == 0) { 3619 /* 3620 * This is a request to enumerate external enclosures. Go 3621 * through all the targets and create chassis nodes where 3622 * necessary. 3623 */ 3624 for (cp = topo_list_next(&data->sed_chassis); cp != NULL; 3625 cp = topo_list_next(cp)) { 3626 if (ses_create_chassis(data, rnode, cp) != 0) 3627 goto error; 3628 } 3629 } else { 3630 /* 3631 * This is a request to enumerate a specific bay underneath the 3632 * root chassis (for internal disks). 3633 */ 3634 if (ses_create_bays(data, rnode) != 0) 3635 goto error; 3636 } 3637 3638 /* 3639 * This is a bit of a kludge. In order to allow internal disks to be 3640 * enumerated and share snapshot-specific information with the external 3641 * enclosure enumeration, we rely on the fact that we will be invoked 3642 * for the 'ses-enclosure' node last. 3643 */ 3644 if (strcmp(name, SES_ENCLOSURE) == 0) { 3645 for (cp = topo_list_next(&data->sed_chassis); cp != NULL; 3646 cp = topo_list_next(cp)) 3647 ses_data_free(data, cp); 3648 ses_data_free(data, NULL); 3649 topo_mod_setspecific(mod, NULL); 3650 } 3651 return (0); 3652 3653 error: 3654 for (cp = topo_list_next(&data->sed_chassis); cp != NULL; 3655 cp = topo_list_next(cp)) 3656 ses_data_free(data, cp); 3657 ses_data_free(data, NULL); 3658 topo_mod_setspecific(mod, NULL); 3659 return (-1); 3660 } 3661 3662 static const topo_modops_t ses_ops = 3663 { ses_enum, ses_release }; 3664 3665 static topo_modinfo_t ses_info = 3666 { SES_ENCLOSURE, FM_FMRI_SCHEME_HC, SES_VERSION, &ses_ops }; 3667 3668 /*ARGSUSED*/ 3669 int 3670 _topo_init(topo_mod_t *mod, topo_version_t version) 3671 { 3672 int rval; 3673 3674 if (getenv("TOPOSESDEBUG") != NULL) 3675 topo_mod_setdebug(mod); 3676 3677 topo_mod_dprintf(mod, "initializing %s enumerator\n", 3678 SES_ENCLOSURE); 3679 3680 if ((rval = topo_mod_register(mod, &ses_info, TOPO_VERSION)) == 0) 3681 ses_thread_init(mod); 3682 3683 return (rval); 3684 } 3685 3686 void 3687 _topo_fini(topo_mod_t *mod) 3688 { 3689 ses_thread_fini(mod); 3690 ses_sof_freeall(mod); 3691 topo_mod_unregister(mod); 3692 } 3693