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) 2017, 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 */ 1211 if (nvlist_lookup_uint64(props, SES_PROP_STATUS_CODE, &status) != 0) 1212 return (0); 1213 1214 if (status != SES_ESC_UNSUPPORTED && 1215 status != SES_ESC_OK && 1216 status != SES_ESC_CRITICAL && 1217 status != SES_ESC_NONCRITICAL && 1218 status != SES_ESC_UNRECOVERABLE && 1219 status != SES_ESC_NO_ACCESS && 1220 status != SES_ESC_UNKNOWN) 1221 return (0); 1222 1223 topo_mod_dprintf(mod, "found attached disk"); 1224 1225 /* 1226 * Create the disk range. 1227 */ 1228 if (topo_node_range_create(mod, pnode, DISK, 0, 0) != 0) { 1229 topo_mod_dprintf(mod, 1230 "topo_node_create_range() failed: %s", 1231 topo_mod_errmsg(mod)); 1232 return (-1); 1233 } 1234 1235 /* 1236 * Look through all SAS addresses and attempt to correlate them to a 1237 * known Solaris device. If we don't find a matching node, then we 1238 * don't enumerate the disk node. 1239 * Note that TOPO_PROP_SAS_ADDR prop includes SAS address from 1240 * alternate elements that represent the same device. 1241 */ 1242 if (topo_prop_get_string_array(pnode, TOPO_PGROUP_SES, 1243 TOPO_PROP_SAS_ADDR, &paths, &nsas, &err) != 0) 1244 return (0); 1245 1246 err = 0; 1247 1248 for (s = 0; s < nsas; s++) { 1249 ret = disk_declare_addr(mod, pnode, &sdp->sed_devs, paths[s], 1250 &child); 1251 if (ret == 0) { 1252 break; 1253 } else if (ret < 0) { 1254 err = -1; 1255 break; 1256 } 1257 } 1258 1259 /* 1260 * We need to take another pass through the properties for this bay by 1261 * iterating over the phys and noting if any of these are SATA. Note, 1262 * this information isn't commonly part of the topo tree at this time, 1263 * hence why we end up going back and iterating over the properties 1264 * ourselves. 1265 */ 1266 if (s == nsas) { 1267 if (ses_create_disk_bridge(sdp, pnode, props, &child) != 0) 1268 (void) disk_declare_non_enumerated(mod, pnode, &child); 1269 } 1270 1271 /* copy sas_addresses (target-ports) from parent (with 'w'added) */ 1272 if (child != NULL) { 1273 int i; 1274 char **tports; 1275 uint64_t wwn; 1276 1277 tports = topo_mod_zalloc(mod, sizeof (char *) * nsas); 1278 if (tports != NULL) { 1279 for (i = 0; i < nsas; i++) { 1280 if (scsi_wwnstr_to_wwn(paths[i], &wwn) != 1281 DDI_SUCCESS) 1282 break; 1283 tports[i] = scsi_wwn_to_wwnstr(wwn, 1, NULL); 1284 if (tports[i] == NULL) 1285 break; 1286 } 1287 /* if they all worked then create the property */ 1288 if (i == nsas) 1289 (void) topo_prop_set_string_array(child, 1290 TOPO_PGROUP_STORAGE, 1291 TOPO_STORAGE_TARGET_PORT_L0IDS, 1292 TOPO_PROP_IMMUTABLE, (const char **)tports, 1293 nsas, &err); 1294 1295 for (i = 0; i < nsas; i++) 1296 if (tports[i] != NULL) 1297 scsi_free_wwnstr(tports[i]); 1298 topo_mod_free(mod, tports, sizeof (char *) * nsas); 1299 } 1300 } 1301 1302 for (s = 0; s < nsas; s++) 1303 topo_mod_free(mod, paths[s], strlen(paths[s]) + 1); 1304 topo_mod_free(mod, paths, nsas * sizeof (char *)); 1305 1306 return (err); 1307 } 1308 1309 static int 1310 ses_add_bay_props(topo_mod_t *mod, tnode_t *tn, ses_enum_node_t *snp) 1311 { 1312 ses_alt_node_t *ap; 1313 ses_node_t *np; 1314 nvlist_t *props; 1315 1316 nvlist_t **phys; 1317 uint_t i, j, n_phys, all_phys = 0; 1318 char **paths; 1319 uint64_t addr; 1320 size_t len; 1321 int terr, err = -1; 1322 1323 for (ap = topo_list_next(&snp->sen_alt_nodes); ap != NULL; 1324 ap = topo_list_next(ap)) { 1325 np = ap->san_node; 1326 props = ses_node_props(np); 1327 1328 if (nvlist_lookup_nvlist_array(props, SES_SAS_PROP_PHYS, 1329 &phys, &n_phys) != 0) 1330 continue; 1331 1332 all_phys += n_phys; 1333 } 1334 1335 if (all_phys == 0) 1336 return (0); 1337 1338 if ((paths = topo_mod_zalloc(mod, all_phys * sizeof (char *))) == NULL) 1339 return (-1); 1340 1341 for (i = 0, ap = topo_list_next(&snp->sen_alt_nodes); ap != NULL; 1342 ap = topo_list_next(ap)) { 1343 np = ap->san_node; 1344 props = ses_node_props(np); 1345 1346 if (nvlist_lookup_nvlist_array(props, SES_SAS_PROP_PHYS, 1347 &phys, &n_phys) != 0) 1348 continue; 1349 1350 for (j = 0; j < n_phys; j++) { 1351 if (nvlist_lookup_uint64(phys[j], SES_SAS_PROP_ADDR, 1352 &addr) != 0) 1353 continue; 1354 1355 len = snprintf(NULL, 0, "%016llx", addr) + 1; 1356 if ((paths[i] = topo_mod_alloc(mod, len)) == NULL) 1357 goto error; 1358 1359 (void) snprintf(paths[i], len, "%016llx", addr); 1360 1361 ++i; 1362 } 1363 } 1364 1365 err = topo_prop_set_string_array(tn, TOPO_PGROUP_SES, 1366 TOPO_PROP_SAS_ADDR, TOPO_PROP_IMMUTABLE, 1367 (const char **)paths, i, &terr); 1368 if (err != 0) 1369 err = topo_mod_seterrno(mod, terr); 1370 1371 error: 1372 for (i = 0; i < all_phys && paths[i] != NULL; i++) 1373 topo_mod_free(mod, paths[i], strlen(paths[i]) + 1); 1374 topo_mod_free(mod, paths, all_phys * sizeof (char *)); 1375 1376 return (err); 1377 } 1378 1379 /* 1380 * Callback to create a basic node (bay, psu, fan, or controller and expander). 1381 */ 1382 static int 1383 ses_create_generic(ses_enum_data_t *sdp, ses_enum_node_t *snp, tnode_t *pnode, 1384 tnode_t *frutn, const char *nodename, const char *labelname, 1385 tnode_t **node) 1386 { 1387 ses_node_t *np = snp->sen_node; 1388 ses_node_t *parent; 1389 uint64_t instance = snp->sen_instance; 1390 topo_mod_t *mod = sdp->sed_mod; 1391 nvlist_t *props, *aprops; 1392 nvlist_t *auth = NULL, *fmri = NULL; 1393 tnode_t *tn = NULL; 1394 char label[128]; 1395 int err; 1396 char *part = NULL, *serial = NULL, *revision = NULL; 1397 char *desc; 1398 boolean_t report; 1399 1400 props = ses_node_props(np); 1401 1402 (void) nvlist_lookup_string(props, LIBSES_PROP_PART, &part); 1403 (void) nvlist_lookup_string(props, LIBSES_PROP_SERIAL, &serial); 1404 1405 topo_mod_dprintf(mod, "adding %s %llu", nodename, instance); 1406 1407 /* 1408 * Create the node. The interesting information is all copied from the 1409 * parent enclosure node, so there is not much to do. 1410 */ 1411 if ((auth = topo_mod_auth(mod, pnode)) == NULL) 1412 goto error; 1413 1414 /* 1415 * We want to report revision information for the controller nodes, but 1416 * we do not get per-element revision information. However, we do have 1417 * revision information for the entire enclosure, and we can use the 1418 * 'reported-via' property to know that this controller corresponds to 1419 * the given revision information. This means we cannot get revision 1420 * information for targets we are not explicitly connected to, but 1421 * there is little we can do about the situation. 1422 */ 1423 if (strcmp(nodename, CONTROLLER) == 0 && 1424 nvlist_lookup_boolean_value(props, SES_PROP_REPORT, &report) == 0 && 1425 report) { 1426 for (parent = ses_node_parent(np); parent != NULL; 1427 parent = ses_node_parent(parent)) { 1428 if (ses_node_type(parent) == SES_NODE_ENCLOSURE) { 1429 (void) nvlist_lookup_string( 1430 ses_node_props(parent), 1431 SES_EN_PROP_REV, &revision); 1432 break; 1433 } 1434 } 1435 } 1436 1437 if ((fmri = topo_mod_hcfmri(mod, pnode, FM_HC_SCHEME_VERSION, 1438 nodename, (topo_instance_t)instance, NULL, auth, part, revision, 1439 serial)) == NULL) { 1440 topo_mod_dprintf(mod, "topo_mod_hcfmri() failed: %s", 1441 topo_mod_errmsg(mod)); 1442 goto error; 1443 } 1444 1445 if ((tn = topo_node_bind(mod, pnode, nodename, 1446 instance, fmri)) == NULL) { 1447 topo_mod_dprintf(mod, "topo_node_bind() failed: %s", 1448 topo_mod_errmsg(mod)); 1449 goto error; 1450 } 1451 1452 /* 1453 * For the node label, we look for the following in order: 1454 * 1455 * <ses-description> 1456 * <ses-class-description> <instance> 1457 * <default-type-label> <instance> 1458 */ 1459 if (nvlist_lookup_string(props, SES_PROP_DESCRIPTION, &desc) != 0 || 1460 desc[0] == '\0') { 1461 parent = ses_node_parent(np); 1462 aprops = ses_node_props(parent); 1463 if (nvlist_lookup_string(aprops, SES_PROP_CLASS_DESCRIPTION, 1464 &desc) != 0 || desc[0] == '\0') 1465 desc = (char *)labelname; 1466 (void) snprintf(label, sizeof (label), "%s %llu", desc, 1467 instance); 1468 desc = label; 1469 } 1470 1471 if (topo_node_label_set(tn, desc, &err) != 0) 1472 goto error; 1473 1474 if (ses_set_standard_props(mod, frutn, tn, NULL, ses_node_id(np), 1475 snp->sen_target->set_devpath) != 0) 1476 goto error; 1477 1478 if (strcmp(nodename, BAY) == 0) { 1479 if (ses_add_bay_props(mod, tn, snp) != 0) 1480 goto error; 1481 1482 if (ses_create_disk(sdp, tn, props) != 0) 1483 goto error; 1484 1485 if (topo_method_register(mod, tn, ses_bay_methods) != 0) { 1486 topo_mod_dprintf(mod, 1487 "topo_method_register() failed: %s", 1488 topo_mod_errmsg(mod)); 1489 goto error; 1490 } 1491 } else if ((strcmp(nodename, FAN) == 0) || 1492 (strcmp(nodename, PSU) == 0) || 1493 (strcmp(nodename, CONTROLLER) == 0)) { 1494 /* 1495 * Only fan, psu, and controller nodes have a 'present' method. 1496 * Bay nodes are always present, and disk nodes are present by 1497 * virtue of being enumerated and SAS expander nodes and 1498 * SAS connector nodes are also always present once 1499 * the parent controller is found. 1500 */ 1501 if (topo_method_register(mod, tn, ses_component_methods) != 0) { 1502 topo_mod_dprintf(mod, 1503 "topo_method_register() failed: %s", 1504 topo_mod_errmsg(mod)); 1505 goto error; 1506 } 1507 1508 } 1509 1510 snp->sen_target->set_refcount++; 1511 topo_node_setspecific(tn, snp->sen_target); 1512 1513 nvlist_free(auth); 1514 nvlist_free(fmri); 1515 if (node != NULL) *node = tn; 1516 return (0); 1517 1518 error: 1519 nvlist_free(auth); 1520 nvlist_free(fmri); 1521 return (-1); 1522 } 1523 1524 /* 1525 * Create SAS expander specific props. 1526 */ 1527 /*ARGSUSED*/ 1528 static int 1529 ses_set_expander_props(ses_enum_data_t *sdp, ses_enum_node_t *snp, 1530 tnode_t *ptnode, tnode_t *tnode, int *phycount, int64_t *connlist) 1531 { 1532 ses_node_t *np = snp->sen_node; 1533 topo_mod_t *mod = sdp->sed_mod; 1534 nvlist_t *auth = NULL, *fmri = NULL; 1535 nvlist_t *props, **phylist; 1536 int err, i; 1537 uint_t pcount; 1538 uint64_t sasaddr, connidx; 1539 char sasaddr_str[17]; 1540 boolean_t found = B_FALSE, ses_found = B_FALSE; 1541 dev_di_node_t *dnode, *sesdnode; 1542 1543 props = ses_node_props(np); 1544 1545 /* 1546 * the uninstalled expander is not enumerated by checking 1547 * the element status code. No present present' method provided. 1548 */ 1549 /* 1550 * Get the Expander SAS address. It should exist. 1551 */ 1552 if (nvlist_lookup_uint64(props, SES_EXP_PROP_SAS_ADDR, 1553 &sasaddr) != 0) { 1554 topo_mod_dprintf(mod, 1555 "Failed to get prop %s.", SES_EXP_PROP_SAS_ADDR); 1556 goto error; 1557 } 1558 1559 (void) sprintf(sasaddr_str, "%llx", sasaddr); 1560 1561 /* search matching dev_di_node. */ 1562 for (dnode = topo_list_next(&sdp->sed_devs); dnode != NULL; 1563 dnode = topo_list_next(dnode)) { 1564 for (i = 0; i < dnode->ddn_ppath_count; i++) { 1565 if ((dnode->ddn_target_port[i] != NULL) && 1566 (strstr(dnode->ddn_target_port[i], 1567 sasaddr_str) != NULL)) { 1568 found = B_TRUE; 1569 break; 1570 } 1571 } 1572 if (found) 1573 break; 1574 } 1575 1576 if (!found) { 1577 topo_mod_dprintf(mod, 1578 "ses_set_expander_props: Failed to find matching " 1579 "devinfo node for Exapnder SAS address %s", 1580 SES_EXP_PROP_SAS_ADDR); 1581 /* continue on to get storage group props. */ 1582 } else { 1583 /* create/set the devfs-path and devid in the smp group */ 1584 if (topo_pgroup_create(tnode, &smp_pgroup, &err) != 0) { 1585 topo_mod_dprintf(mod, "ses_set_expander_props: " 1586 "failed to create smp property group %s\n", 1587 topo_strerror(err)); 1588 goto error; 1589 } else { 1590 if (topo_prop_set_string(tnode, TOPO_PGROUP_SMP, 1591 TOPO_PROP_SMP_TARGET_PORT, TOPO_PROP_IMMUTABLE, 1592 dnode->ddn_target_port[i], &err) != 0) { 1593 topo_mod_dprintf(mod, "ses_set_expander_props: " 1594 "set %S error %s\n", TOPO_PROP_SAS_ADDR, 1595 topo_strerror(err)); 1596 } 1597 if (topo_prop_set_string(tnode, TOPO_PGROUP_SMP, 1598 TOPO_PROP_SMP_DEV_PATH, TOPO_PROP_IMMUTABLE, 1599 dnode->ddn_dpath, &err) != 0) { 1600 topo_mod_dprintf(mod, "ses_set_expander_props: " 1601 "set dev error %s\n", topo_strerror(err)); 1602 } 1603 if (topo_prop_set_string(tnode, TOPO_PGROUP_SMP, 1604 TOPO_PROP_SMP_DEVID, TOPO_PROP_IMMUTABLE, 1605 dnode->ddn_devid, &err) != 0) { 1606 topo_mod_dprintf(mod, "ses_set_expander_props: " 1607 "set devid error %s\n", topo_strerror(err)); 1608 } 1609 if (dnode->ddn_ppath_count != 0 && 1610 topo_prop_set_string_array(tnode, TOPO_PGROUP_SMP, 1611 TOPO_PROP_SMP_PHYS_PATH, TOPO_PROP_IMMUTABLE, 1612 (const char **)dnode->ddn_ppath, 1613 dnode->ddn_ppath_count, &err) != 0) { 1614 topo_mod_dprintf(mod, "ses_set_expander_props: " 1615 "set phys-path error %s\n", 1616 topo_strerror(err)); 1617 } 1618 } 1619 } 1620 1621 /* update the ses property group with SES target info */ 1622 if ((topo_pgroup_create(tnode, &ses_pgroup, &err) != 0) && 1623 (err != ETOPO_PROP_DEFD)) { 1624 /* SES prop group doesn't exist but failed to be created. */ 1625 topo_mod_dprintf(mod, "ses_set_expander_props: " 1626 "ses pgroup create error %s\n", topo_strerror(err)); 1627 goto error; 1628 } else { 1629 /* locate assciated enclosure dev_di_node. */ 1630 for (sesdnode = topo_list_next(&sdp->sed_devs); 1631 sesdnode != NULL; sesdnode = topo_list_next(sesdnode)) { 1632 for (i = 0; i < sesdnode->ddn_ppath_count; i++) { 1633 /* 1634 * check if attached port exists and 1635 * its node type is enclosure and 1636 * attached port is same as sas address of 1637 * the expander and 1638 * bridge port for virtual phy indication 1639 * exist. 1640 */ 1641 if ((sesdnode->ddn_attached_port[i] != NULL) && 1642 (sesdnode->ddn_dtype == DTYPE_ESI) && 1643 (strstr(sesdnode->ddn_attached_port[i], 1644 sasaddr_str) != NULL) && 1645 (sesdnode->ddn_bridge_port[i] != NULL)) { 1646 ses_found = B_TRUE; 1647 break; 1648 } 1649 } 1650 if (ses_found) break; 1651 } 1652 1653 if (ses_found) { 1654 if (topo_prop_set_string(tnode, TOPO_PGROUP_SES, 1655 TOPO_PROP_SES_TARGET_PORT, TOPO_PROP_IMMUTABLE, 1656 sesdnode->ddn_target_port[i], &err) != 0) { 1657 topo_mod_dprintf(mod, "ses_set_expander_props: " 1658 "set ses %S error %s\n", TOPO_PROP_SAS_ADDR, 1659 topo_strerror(err)); 1660 } 1661 if (topo_prop_set_string(tnode, TOPO_PGROUP_SES, 1662 TOPO_PROP_SES_DEV_PATH, TOPO_PROP_IMMUTABLE, 1663 sesdnode->ddn_dpath, &err) != 0) { 1664 topo_mod_dprintf(mod, "ses_set_expander_props: " 1665 "set ses dev error %s\n", 1666 topo_strerror(err)); 1667 } 1668 if (topo_prop_set_string(tnode, TOPO_PGROUP_SES, 1669 TOPO_PROP_SES_DEVID, TOPO_PROP_IMMUTABLE, 1670 sesdnode->ddn_devid, &err) != 0) { 1671 topo_mod_dprintf(mod, "ses_set_expander_props: " 1672 "set ses devid error %s\n", 1673 topo_strerror(err)); 1674 } 1675 if (sesdnode->ddn_ppath_count != 0 && 1676 topo_prop_set_string_array(tnode, TOPO_PGROUP_SES, 1677 TOPO_PROP_SES_PHYS_PATH, TOPO_PROP_IMMUTABLE, 1678 (const char **)sesdnode->ddn_ppath, 1679 sesdnode->ddn_ppath_count, &err) != 0) { 1680 topo_mod_dprintf(mod, "ses_set_expander_props: " 1681 "set ses phys-path error %s\n", 1682 topo_strerror(err)); 1683 } 1684 1685 } 1686 } 1687 1688 /* create the storage group */ 1689 if (topo_pgroup_create(tnode, &storage_pgroup, &err) != 0) { 1690 topo_mod_dprintf(mod, "ses_set_expander_props: " 1691 "create storage error %s\n", topo_strerror(err)); 1692 goto error; 1693 } else { 1694 /* set the SAS address prop out of expander element status. */ 1695 if (topo_prop_set_string(tnode, TOPO_PGROUP_STORAGE, 1696 TOPO_PROP_SAS_ADDR, TOPO_PROP_IMMUTABLE, sasaddr_str, 1697 &err) != 0) { 1698 topo_mod_dprintf(mod, "ses_set_expander_props: " 1699 "set %S error %s\n", TOPO_PROP_SAS_ADDR, 1700 topo_strerror(err)); 1701 } 1702 1703 /* Get the phy information for the expander */ 1704 if (nvlist_lookup_nvlist_array(props, SES_SAS_PROP_PHYS, 1705 &phylist, &pcount) != 0) { 1706 topo_mod_dprintf(mod, 1707 "Failed to get prop %s.", SES_SAS_PROP_PHYS); 1708 } else { 1709 /* 1710 * For each phy, get the connector element index and 1711 * stores into connector element index array. 1712 */ 1713 *phycount = pcount; 1714 for (i = 0; i < pcount; i++) { 1715 if (nvlist_lookup_uint64(phylist[i], 1716 SES_PROP_CE_IDX, &connidx) == 0) { 1717 if (connidx != 0xff) { 1718 connlist[i] = connidx; 1719 } else { 1720 connlist[i] = -1; 1721 } 1722 } else { 1723 /* Fail to get the index. set to -1. */ 1724 connlist[i] = -1; 1725 } 1726 } 1727 1728 /* set the phy count prop of the expander. */ 1729 if (topo_prop_set_uint64(tnode, TOPO_PGROUP_STORAGE, 1730 TOPO_PROP_PHY_COUNT, TOPO_PROP_IMMUTABLE, pcount, 1731 &err) != 0) { 1732 topo_mod_dprintf(mod, "ses_set_expander_props: " 1733 "set %S error %s\n", TOPO_PROP_PHY_COUNT, 1734 topo_strerror(err)); 1735 } 1736 1737 /* 1738 * set the connector element index of 1739 * the expander phys. 1740 */ 1741 } 1742 1743 /* populate other misc storage group properties */ 1744 if (found) { 1745 if (dnode->ddn_mfg && (topo_prop_set_string(tnode, 1746 TOPO_PGROUP_STORAGE, TOPO_STORAGE_MANUFACTURER, 1747 TOPO_PROP_IMMUTABLE, dnode->ddn_mfg, &err) != 0)) { 1748 topo_mod_dprintf(mod, "ses_set_expander_props: " 1749 "set mfg error %s\n", topo_strerror(err)); 1750 } 1751 1752 if (dnode->ddn_model && (topo_prop_set_string(tnode, 1753 TOPO_PGROUP_STORAGE, TOPO_STORAGE_MODEL, 1754 TOPO_PROP_IMMUTABLE, 1755 dnode->ddn_model, &err) != 0)) { 1756 topo_mod_dprintf(mod, "ses_set_expander_props: " 1757 "set model error %s\n", topo_strerror(err)); 1758 } 1759 1760 if (dnode->ddn_serial && (topo_prop_set_string(tnode, 1761 TOPO_PGROUP_STORAGE, TOPO_STORAGE_SERIAL_NUM, 1762 TOPO_PROP_IMMUTABLE, 1763 dnode->ddn_serial, &err) != 0)) { 1764 topo_mod_dprintf(mod, "ses_set_expander_props: " 1765 "set serial error %s\n", 1766 topo_strerror(err)); 1767 } 1768 1769 if (dnode->ddn_firm && (topo_prop_set_string(tnode, 1770 TOPO_PGROUP_STORAGE, 1771 TOPO_STORAGE_FIRMWARE_REV, TOPO_PROP_IMMUTABLE, 1772 dnode->ddn_firm, &err) != 0)) { 1773 topo_mod_dprintf(mod, "ses_set_expander_props: " 1774 "set firm error %s\n", topo_strerror(err)); 1775 } 1776 } 1777 } 1778 1779 return (0); 1780 1781 error: 1782 nvlist_free(auth); 1783 nvlist_free(fmri); 1784 return (-1); 1785 } 1786 1787 /* 1788 * Create SAS expander specific props. 1789 */ 1790 /*ARGSUSED*/ 1791 static int 1792 ses_set_connector_props(ses_enum_data_t *sdp, ses_enum_node_t *snp, 1793 tnode_t *tnode, int64_t phy_mask) 1794 { 1795 ses_node_t *np = snp->sen_node; 1796 topo_mod_t *mod = sdp->sed_mod; 1797 nvlist_t *props; 1798 int err, i; 1799 uint64_t conntype; 1800 char phymask_str[17], *conntype_str; 1801 boolean_t found; 1802 1803 props = ses_node_props(np); 1804 1805 /* 1806 * convert phy mask to string. 1807 */ 1808 (void) snprintf(phymask_str, 17, "%llx", phy_mask); 1809 1810 /* create the storage group */ 1811 if (topo_pgroup_create(tnode, &storage_pgroup, &err) != 0) { 1812 topo_mod_dprintf(mod, "ses_set_expander_props: " 1813 "create storage error %s\n", topo_strerror(err)); 1814 return (-1); 1815 } else { 1816 /* set the SAS address prop of the expander. */ 1817 if (topo_prop_set_string(tnode, TOPO_PGROUP_STORAGE, 1818 TOPO_STORAGE_SAS_PHY_MASK, TOPO_PROP_IMMUTABLE, 1819 phymask_str, &err) != 0) { 1820 topo_mod_dprintf(mod, "ses_set_expander_props: " 1821 "set %S error %s\n", TOPO_STORAGE_SAS_PHY_MASK, 1822 topo_strerror(err)); 1823 } 1824 1825 /* Get the connector type information for the expander */ 1826 if (nvlist_lookup_uint64(props, 1827 SES_SC_PROP_CONNECTOR_TYPE, &conntype) != 0) { 1828 topo_mod_dprintf(mod, "Failed to get prop %s.", 1829 TOPO_STORAGE_SAS_PHY_MASK); 1830 } else { 1831 found = B_FALSE; 1832 for (i = 0; ; i++) { 1833 if (sas_connector_type_list[i].sct_type == 1834 SAS_CONNECTOR_TYPE_CODE_NOT_DEFINED) { 1835 break; 1836 } 1837 if (sas_connector_type_list[i].sct_type == 1838 conntype) { 1839 conntype_str = 1840 sas_connector_type_list[i].sct_name; 1841 found = B_TRUE; 1842 break; 1843 } 1844 } 1845 1846 if (!found) { 1847 if (conntype < 1848 SAS_CONNECTOR_TYPE_CODE_NOT_DEFINED) { 1849 conntype_str = 1850 SAS_CONNECTOR_TYPE_RESERVED; 1851 } else { 1852 conntype_str = 1853 SAS_CONNECTOR_TYPE_NOT_DEFINED; 1854 } 1855 } 1856 1857 /* set the phy count prop of the expander. */ 1858 if (topo_prop_set_string(tnode, TOPO_PGROUP_STORAGE, 1859 TOPO_STORAGE_SAS_CONNECTOR_TYPE, 1860 TOPO_PROP_IMMUTABLE, conntype_str, &err) != 0) { 1861 topo_mod_dprintf(mod, "ses_set_expander_props: " 1862 "set %S error %s\n", TOPO_PROP_PHY_COUNT, 1863 topo_strerror(err)); 1864 } 1865 } 1866 } 1867 1868 return (0); 1869 } 1870 1871 /* 1872 * Instantiate SAS expander nodes for a given ESC Electronics node(controller) 1873 * nodes. 1874 */ 1875 /*ARGSUSED*/ 1876 static int 1877 ses_create_esc_sasspecific(ses_enum_data_t *sdp, ses_enum_node_t *snp, 1878 tnode_t *pnode, ses_enum_chassis_t *cp, 1879 boolean_t dorange) 1880 { 1881 topo_mod_t *mod = sdp->sed_mod; 1882 tnode_t *exptn, *contn; 1883 boolean_t found; 1884 sas_connector_phy_data_t connectors[64] = {NULL}; 1885 uint64_t max; 1886 ses_enum_node_t *ctlsnp, *xsnp, *consnp; 1887 ses_node_t *np = snp->sen_node; 1888 nvlist_t *props, *psprops; 1889 uint64_t index, psindex, conindex, psstatus, i, j, count; 1890 int64_t cidxlist[256] = {NULL}; 1891 int phycount; 1892 1893 props = ses_node_props(np); 1894 1895 if (nvlist_lookup_uint64(props, SES_PROP_ELEMENT_ONLY_INDEX, 1896 &index) != 0) 1897 return (-1); 1898 1899 /* 1900 * For SES constroller node, check to see if there are 1901 * associated SAS expanders. 1902 */ 1903 found = B_FALSE; 1904 max = 0; 1905 for (ctlsnp = topo_list_next(&cp->sec_nodes); ctlsnp != NULL; 1906 ctlsnp = topo_list_next(ctlsnp)) { 1907 if (ctlsnp->sen_type == SES_ET_SAS_EXPANDER) { 1908 found = B_TRUE; 1909 if (ctlsnp->sen_instance > max) 1910 max = ctlsnp->sen_instance; 1911 } 1912 } 1913 1914 /* 1915 * No SAS expander found notthing to process. 1916 */ 1917 if (!found) 1918 return (0); 1919 1920 topo_mod_dprintf(mod, "%s Controller %d: creating " 1921 "%llu %s nodes", cp->sec_csn, index, max + 1, SASEXPANDER); 1922 1923 /* 1924 * The max number represent the number of elements 1925 * deducted from the highest SES_PROP_ELEMENT_CLASS_INDEX 1926 * of SET_ET_SAS_EXPANDER type element. 1927 * 1928 * There may be multiple ESC Electronics element(controllers) 1929 * within JBOD(typicall two for redundancy) and SAS expander 1930 * elements are associated with only one of them. We are 1931 * still creating the range based max number here. 1932 * That will cover the case that all expanders are associated 1933 * with one SES controller. 1934 */ 1935 if (dorange && topo_node_range_create(mod, pnode, 1936 SASEXPANDER, 0, max) != 0) { 1937 topo_mod_dprintf(mod, 1938 "topo_node_create_range() failed: %s", 1939 topo_mod_errmsg(mod)); 1940 return (-1); 1941 } 1942 1943 /* 1944 * Search exapnders with the parent index matching with 1945 * ESC Electronics element index. 1946 * Note the index used here is a global index across 1947 * SES elements. 1948 */ 1949 for (xsnp = topo_list_next(&cp->sec_nodes); xsnp != NULL; 1950 xsnp = topo_list_next(xsnp)) { 1951 if (xsnp->sen_type == SES_ET_SAS_EXPANDER) { 1952 /* 1953 * get the parent ESC controller. 1954 */ 1955 psprops = ses_node_props(xsnp->sen_node); 1956 if (nvlist_lookup_uint64(psprops, 1957 SES_PROP_STATUS_CODE, &psstatus) == 0) { 1958 if (psstatus == SES_ESC_NOT_INSTALLED) { 1959 /* 1960 * Not installed. 1961 * Don't create a ndoe. 1962 */ 1963 continue; 1964 } 1965 } else { 1966 /* 1967 * The element should have status code. 1968 * If not there is no way to find 1969 * out if the expander element exist or 1970 * not. 1971 */ 1972 continue; 1973 } 1974 1975 /* Get the physical parent index to compare. */ 1976 if (nvlist_lookup_uint64(psprops, 1977 LIBSES_PROP_PHYS_PARENT, &psindex) == 0) { 1978 if (index == psindex) { 1979 /* indentation moved forward */ 1980 /* 1981 * Handle basic node information of SAS expander 1982 * element - binding to parent node and 1983 * allocating FMRI... 1984 */ 1985 if (ses_create_generic(sdp, xsnp, pnode, pnode, SASEXPANDER, 1986 "SAS-EXPANDER", &exptn) != 0) 1987 continue; 1988 /* 1989 * Now handle SAS expander unique portion of node creation. 1990 * The max nubmer of the phy count is 256 since SES-2 1991 * defines as 1 byte field. The cidxlist has the same 1992 * number of elements. 1993 * 1994 * We use size 64 array to store the connectors. 1995 * Typically a connectors associated with 4 phys so that 1996 * matches with the max number of connecters associated 1997 * with an expander. 1998 * The phy count goes up to 38 for Sun supported 1999 * JBOD. 2000 */ 2001 (void) memset(cidxlist, 0, sizeof (int64_t) * 64); 2002 if (ses_set_expander_props(sdp, xsnp, pnode, exptn, &phycount, 2003 cidxlist) != 0) { 2004 /* 2005 * error on getting specific prop failed. 2006 * continue on. Note that the node is 2007 * left bound. 2008 */ 2009 continue; 2010 } 2011 2012 /* 2013 * count represetns the number of connectors discovered so far. 2014 */ 2015 count = 0; 2016 (void) memset(connectors, 0, 2017 sizeof (sas_connector_phy_data_t) * 64); 2018 for (i = 0; i < phycount; i++) { 2019 if (cidxlist[i] != -1) { 2020 /* connector index is valid. */ 2021 for (j = 0; j < count; j++) { 2022 if (connectors[j].scpd_index == 2023 cidxlist[i]) { 2024 /* 2025 * Just update phy mask. 2026 * The postion for connector 2027 * index lists(cidxlist index) 2028 * is set. 2029 */ 2030 connectors[j].scpd_pm = 2031 connectors[j].scpd_pm | 2032 (1ULL << i); 2033 break; 2034 } 2035 } 2036 /* 2037 * If j and count matche a new connector 2038 * index is found. 2039 */ 2040 if (j == count) { 2041 /* add a new index and phy mask. */ 2042 connectors[count].scpd_index = 2043 cidxlist[i]; 2044 connectors[count].scpd_pm = 2045 connectors[count].scpd_pm | 2046 (1ULL << i); 2047 count++; 2048 } 2049 } 2050 } 2051 2052 /* 2053 * create range for the connector nodes. 2054 * The class index of the ses connector element 2055 * is set as the instance nubmer for the node. 2056 * Even though one expander may not have all connectors 2057 * are associated with we are creating the range with 2058 * max possible instance number. 2059 */ 2060 found = B_FALSE; 2061 max = 0; 2062 for (consnp = topo_list_next(&cp->sec_nodes); 2063 consnp != NULL; consnp = topo_list_next(consnp)) { 2064 if (consnp->sen_type == SES_ET_SAS_CONNECTOR) { 2065 psprops = ses_node_props(consnp->sen_node); 2066 found = B_TRUE; 2067 if (consnp->sen_instance > max) 2068 max = consnp->sen_instance; 2069 } 2070 } 2071 2072 /* 2073 * No SAS connector found nothing to process. 2074 */ 2075 if (!found) 2076 return (0); 2077 2078 if (dorange && topo_node_range_create(mod, exptn, 2079 RECEPTACLE, 0, max) != 0) { 2080 topo_mod_dprintf(mod, 2081 "topo_node_create_range() failed: %s", 2082 topo_mod_errmsg(mod)); 2083 return (-1); 2084 } 2085 2086 /* search matching connector element using the index. */ 2087 for (i = 0; i < count; i++) { 2088 found = B_FALSE; 2089 for (consnp = topo_list_next(&cp->sec_nodes); 2090 consnp != NULL; consnp = topo_list_next(consnp)) { 2091 if (consnp->sen_type == SES_ET_SAS_CONNECTOR) { 2092 psprops = ses_node_props( 2093 consnp->sen_node); 2094 /* 2095 * Get the physical parent index to 2096 * compare. 2097 * The connector elements are children 2098 * of ESC Electronics element even 2099 * though we enumerate them under 2100 * an expander in libtopo. 2101 */ 2102 if (nvlist_lookup_uint64(psprops, 2103 SES_PROP_ELEMENT_ONLY_INDEX, 2104 &conindex) == 0) { 2105 if (conindex == 2106 connectors[i].scpd_index) { 2107 found = B_TRUE; 2108 break; 2109 } 2110 } 2111 } 2112 } 2113 2114 /* now create a libtopo node. */ 2115 if (found) { 2116 /* Create generic props. */ 2117 if (ses_create_generic(sdp, consnp, exptn, 2118 topo_node_parent(exptn), 2119 RECEPTACLE, "RECEPTACLE", &contn) != 2120 0) { 2121 continue; 2122 } 2123 /* Create connector specific props. */ 2124 if (ses_set_connector_props(sdp, consnp, 2125 contn, connectors[i].scpd_pm) != 0) { 2126 continue; 2127 } 2128 } 2129 } 2130 /* end indentation change */ 2131 } 2132 } 2133 } 2134 } 2135 2136 return (0); 2137 } 2138 2139 /* 2140 * Instantiate any protocol specific portion of a node. 2141 */ 2142 /*ARGSUSED*/ 2143 static int 2144 ses_create_protocol_specific(ses_enum_data_t *sdp, ses_enum_node_t *snp, 2145 tnode_t *pnode, uint64_t type, ses_enum_chassis_t *cp, 2146 boolean_t dorange) 2147 { 2148 2149 if (type == SES_ET_ESC_ELECTRONICS) { 2150 /* create SAS specific children(expanders and connectors. */ 2151 return (ses_create_esc_sasspecific(sdp, snp, pnode, cp, 2152 dorange)); 2153 } 2154 2155 return (0); 2156 } 2157 2158 /* 2159 * Instantiate any children of a given type. 2160 */ 2161 static int 2162 ses_create_children(ses_enum_data_t *sdp, tnode_t *pnode, uint64_t type, 2163 const char *nodename, const char *defaultlabel, ses_enum_chassis_t *cp, 2164 boolean_t dorange) 2165 { 2166 topo_mod_t *mod = sdp->sed_mod; 2167 boolean_t found; 2168 uint64_t max; 2169 ses_enum_node_t *snp; 2170 tnode_t *tn; 2171 2172 /* 2173 * First go through and count how many matching nodes we have. 2174 */ 2175 max = 0; 2176 found = B_FALSE; 2177 for (snp = topo_list_next(&cp->sec_nodes); snp != NULL; 2178 snp = topo_list_next(snp)) { 2179 if (snp->sen_type == type) { 2180 found = B_TRUE; 2181 if (snp->sen_instance > max) 2182 max = snp->sen_instance; 2183 } 2184 } 2185 2186 /* 2187 * No enclosure should export both DEVICE and ARRAY_DEVICE elements. 2188 * Since we map both of these to 'disk', if an enclosure does this, we 2189 * just ignore the array elements. 2190 */ 2191 if (!found || 2192 (type == SES_ET_ARRAY_DEVICE && cp->sec_hasdev)) 2193 return (0); 2194 2195 topo_mod_dprintf(mod, "%s: creating %llu %s nodes", 2196 cp->sec_csn, max + 1, nodename); 2197 2198 if (dorange && topo_node_range_create(mod, pnode, 2199 nodename, 0, max) != 0) { 2200 topo_mod_dprintf(mod, 2201 "topo_node_create_range() failed: %s", 2202 topo_mod_errmsg(mod)); 2203 return (-1); 2204 } 2205 2206 for (snp = topo_list_next(&cp->sec_nodes); snp != NULL; 2207 snp = topo_list_next(snp)) { 2208 if (snp->sen_type == type) { 2209 /* 2210 * With flat layout of ses nodes there is no 2211 * way to find out the direct FRU for a node. 2212 * Passing NULL for fru topo node. Note that 2213 * ses_create_children_from_phys_tree() provides 2214 * the actual direct FRU for a node. 2215 */ 2216 if (ses_create_generic(sdp, snp, pnode, NULL, 2217 nodename, defaultlabel, &tn) != 0) 2218 return (-1); 2219 /* 2220 * For some SES element there may be protocol specific 2221 * information to process. Here we are processing 2222 * the association between enclosure controller and 2223 * SAS expanders. 2224 */ 2225 if (type == SES_ET_ESC_ELECTRONICS) { 2226 /* create SAS expander node */ 2227 if (ses_create_protocol_specific(sdp, snp, 2228 tn, type, cp, dorange) != 0) { 2229 return (-1); 2230 } 2231 } 2232 2233 } 2234 } 2235 2236 return (0); 2237 } 2238 2239 /* 2240 * Instantiate a new subchassis instance in the topology. 2241 */ 2242 static int 2243 ses_create_subchassis(ses_enum_data_t *sdp, tnode_t *pnode, 2244 ses_enum_chassis_t *scp) 2245 { 2246 topo_mod_t *mod = sdp->sed_mod; 2247 tnode_t *tn; 2248 nvlist_t *props; 2249 nvlist_t *auth = NULL, *fmri = NULL; 2250 uint64_t instance = scp->sec_instance; 2251 char *desc; 2252 char label[128]; 2253 char **paths; 2254 int i, err; 2255 ses_enum_target_t *stp; 2256 int ret = -1; 2257 2258 /* 2259 * Copy authority information from parent enclosure node 2260 */ 2261 if ((auth = topo_mod_auth(mod, pnode)) == NULL) 2262 goto error; 2263 2264 /* 2265 * Record the subchassis serial number in the FMRI. 2266 * For now, we assume that logical id is the subchassis serial number. 2267 * If this assumption changes in future, then the following 2268 * piece of code will need to be updated via an RFE. 2269 */ 2270 if ((fmri = topo_mod_hcfmri(mod, pnode, FM_HC_SCHEME_VERSION, 2271 SUBCHASSIS, (topo_instance_t)instance, NULL, auth, NULL, NULL, 2272 NULL)) == NULL) { 2273 topo_mod_dprintf(mod, "topo_mod_hcfmri() failed: %s", 2274 topo_mod_errmsg(mod)); 2275 goto error; 2276 } 2277 2278 if ((tn = topo_node_bind(mod, pnode, SUBCHASSIS, 2279 instance, fmri)) == NULL) { 2280 topo_mod_dprintf(mod, "topo_node_bind() failed: %s", 2281 topo_mod_errmsg(mod)); 2282 goto error; 2283 } 2284 2285 props = ses_node_props(scp->sec_enclosure); 2286 2287 /* 2288 * Look for the subchassis label in the following order: 2289 * <ses-description> 2290 * <ses-class-description> <instance> 2291 * <default-type-label> <instance> 2292 * 2293 * For subchassis, the default label is "SUBCHASSIS" 2294 */ 2295 if (nvlist_lookup_string(props, SES_PROP_DESCRIPTION, &desc) != 0 || 2296 desc[0] == '\0') { 2297 if (nvlist_lookup_string(props, SES_PROP_CLASS_DESCRIPTION, 2298 &desc) == 0 && desc[0] != '\0') 2299 (void) snprintf(label, sizeof (label), "%s %llu", desc, 2300 instance); 2301 else 2302 (void) snprintf(label, sizeof (label), 2303 "SUBCHASSIS %llu", instance); 2304 desc = label; 2305 } 2306 2307 if (topo_node_label_set(tn, desc, &err) != 0) 2308 goto error; 2309 2310 if (ses_set_standard_props(mod, NULL, tn, NULL, 2311 ses_node_id(scp->sec_enclosure), scp->sec_target->set_devpath) != 0) 2312 goto error; 2313 2314 /* 2315 * Set the 'chassis-type' property for this subchassis. This is either 2316 * 'ses-class-description' or 'subchassis'. 2317 */ 2318 if (nvlist_lookup_string(props, SES_PROP_CLASS_DESCRIPTION, &desc) != 0) 2319 desc = "subchassis"; 2320 2321 if (topo_prop_set_string(tn, TOPO_PGROUP_SES, 2322 TOPO_PROP_CHASSIS_TYPE, TOPO_PROP_IMMUTABLE, desc, &err) != 0) { 2323 topo_mod_dprintf(mod, "failed to create property %s: %s\n", 2324 TOPO_PROP_CHASSIS_TYPE, topo_strerror(err)); 2325 goto error; 2326 } 2327 2328 /* 2329 * For enclosures, we want to include all possible targets (for upgrade 2330 * purposes). 2331 */ 2332 for (i = 0, stp = topo_list_next(&scp->sec_targets); stp != NULL; 2333 stp = topo_list_next(stp), i++) 2334 ; 2335 2336 verify(i != 0); 2337 paths = alloca(i * sizeof (char *)); 2338 2339 for (i = 0, stp = topo_list_next(&scp->sec_targets); stp != NULL; 2340 stp = topo_list_next(stp), i++) 2341 paths[i] = stp->set_devpath; 2342 2343 if (topo_prop_set_string_array(tn, TOPO_PGROUP_SES, 2344 TOPO_PROP_PATHS, TOPO_PROP_IMMUTABLE, (const char **)paths, 2345 i, &err) != 0) { 2346 topo_mod_dprintf(mod, "failed to create property %s: %s\n", 2347 TOPO_PROP_PATHS, topo_strerror(err)); 2348 goto error; 2349 } 2350 2351 if (topo_method_register(mod, tn, ses_enclosure_methods) != 0) { 2352 topo_mod_dprintf(mod, "topo_method_register() failed: %s", 2353 topo_mod_errmsg(mod)); 2354 goto error; 2355 } 2356 2357 /* 2358 * Create the nodes for controllers and bays. 2359 */ 2360 if (ses_create_children(sdp, tn, SES_ET_ESC_ELECTRONICS, 2361 CONTROLLER, "CONTROLLER", scp, B_TRUE) != 0 || 2362 ses_create_children(sdp, tn, SES_ET_DEVICE, 2363 BAY, "BAY", scp, B_TRUE) != 0 || 2364 ses_create_children(sdp, tn, SES_ET_ARRAY_DEVICE, 2365 BAY, "BAY", scp, B_TRUE) != 0) 2366 goto error; 2367 2368 ret = 0; 2369 2370 error: 2371 nvlist_free(auth); 2372 nvlist_free(fmri); 2373 return (ret); 2374 } 2375 2376 /* 2377 * Function we use to insert a node. 2378 */ 2379 static int 2380 ses_phys_tree_insert(topo_mod_t *mod, ses_phys_tree_t **sproot, 2381 ses_phys_tree_t *child) 2382 { 2383 uint64_t ppindex, eindex, pindex; 2384 ses_phys_tree_t *node_ptr; 2385 int ret = 0; 2386 2387 assert(sproot != NULL); 2388 assert(child != NULL); 2389 2390 if (*sproot == NULL) { 2391 *sproot = child; 2392 return (0); 2393 } 2394 2395 pindex = child->spt_pindex; 2396 ppindex = (*sproot)->spt_pindex; 2397 eindex = (*sproot)->spt_eonlyindex; 2398 2399 /* 2400 * If the element only index of the root is same as the physical 2401 * parent index of a node to be added, add the node as a child of 2402 * the current root. 2403 */ 2404 if (eindex == pindex) { 2405 (void) ses_phys_tree_insert(mod, &(*sproot)->spt_child, child); 2406 child->spt_parent = *sproot; 2407 } else if (ppindex == pindex) { 2408 /* 2409 * if the physical parent of the current root and the child 2410 * is same, then this should be a sibling node. 2411 * Siblings can be different element types and arrange 2412 * them by group. 2413 */ 2414 if ((*sproot)->spt_senumnode->sen_type == 2415 child->spt_senumnode->sen_type) { 2416 child->spt_sibling = *sproot; 2417 *sproot = child; 2418 } else { 2419 /* add a node in front of matching element type. */ 2420 node_ptr = *sproot; 2421 while (node_ptr->spt_sibling != NULL) { 2422 if (node_ptr->spt_sibling-> 2423 spt_senumnode->sen_type == 2424 child->spt_senumnode->sen_type) { 2425 child->spt_sibling = 2426 node_ptr->spt_sibling; 2427 node_ptr->spt_sibling = child; 2428 break; 2429 } 2430 node_ptr = node_ptr->spt_sibling; 2431 } 2432 /* no matching. Add the child at the end. */ 2433 if (node_ptr->spt_sibling == NULL) { 2434 node_ptr->spt_sibling = child; 2435 } 2436 } 2437 child->spt_parent = (*sproot)->spt_parent; 2438 } else { 2439 /* 2440 * The root and the node is not directly related. 2441 * Try to insert to the child sub-tree first and then try to 2442 * insert to the sibling sub-trees. If fails for both 2443 * the caller will retry insertion later. 2444 */ 2445 if ((*sproot)->spt_child) { 2446 ret = ses_phys_tree_insert(mod, &(*sproot)->spt_child, 2447 child); 2448 } 2449 if ((*sproot)->spt_child == NULL || ret != 0) { 2450 if ((*sproot)->spt_sibling) { 2451 ret = ses_phys_tree_insert(mod, 2452 &(*sproot)->spt_sibling, child); 2453 } else { 2454 ret = 1; 2455 } 2456 } 2457 return (ret); 2458 } 2459 return (0); 2460 } 2461 2462 /* 2463 * Construct tree view of ses elements through parent phyiscal element index. 2464 * The root of tree is already constructed using the enclosure element. 2465 */ 2466 static int 2467 ses_construct_phys_tree(ses_enum_data_t *sdp, ses_enum_chassis_t *cp, 2468 ses_phys_tree_t *sproot) 2469 { 2470 ses_enum_node_t *snp; 2471 ses_phys_tree_t *child; 2472 ses_phys_tree_t *u_watch = NULL; 2473 ses_phys_tree_t *u_head = NULL; 2474 ses_phys_tree_t *u_tail = NULL; 2475 int u_inserted = 0, u_left = 0; 2476 nvlist_t *props; 2477 topo_mod_t *mod = sdp->sed_mod; 2478 2479 for (snp = topo_list_next(&cp->sec_nodes); snp != NULL; 2480 snp = topo_list_next(snp)) { 2481 if ((child = topo_mod_zalloc(mod, 2482 sizeof (ses_phys_tree_t))) == NULL) { 2483 topo_mod_dprintf(mod, 2484 "failed to allocate root."); 2485 return (-1); 2486 } 2487 child->spt_snode = snp->sen_node; 2488 props = ses_node_props(snp->sen_node); 2489 if (nvlist_lookup_uint64(props, 2490 LIBSES_PROP_PHYS_PARENT, &child->spt_pindex) != 0) { 2491 /* 2492 * the prop should exist. continue to see if 2493 * we can build a partial tree with other elements. 2494 */ 2495 topo_mod_dprintf(mod, 2496 "ses_construct_phys_tree(): Failed to find prop %s " 2497 "on ses element type %d and instance %d " 2498 "(CSN %s).", LIBSES_PROP_PHYS_PARENT, 2499 snp->sen_type, snp->sen_instance, cp->sec_csn); 2500 topo_mod_free(mod, child, sizeof (ses_phys_tree_t)); 2501 continue; 2502 } else { 2503 if (nvlist_lookup_boolean_value(props, 2504 LIBSES_PROP_FRU, &child->spt_isfru) != 0) { 2505 topo_mod_dprintf(mod, 2506 "ses_construct_phys_tree(): Failed to " 2507 "find prop %s on ses element type %d " 2508 "and instance %d (CSN %s).", 2509 LIBSES_PROP_FRU, 2510 snp->sen_type, snp->sen_instance, 2511 cp->sec_csn); 2512 /* 2513 * Ignore if the prop doesn't exist. 2514 * Note that the enclosure itself should be 2515 * a FRU so if no FRU found the enclosure FRU 2516 * can be a direct FRU. 2517 */ 2518 } 2519 verify(nvlist_lookup_uint64(props, 2520 SES_PROP_ELEMENT_ONLY_INDEX, 2521 &child->spt_eonlyindex) == 0); 2522 verify(nvlist_lookup_uint64(props, 2523 SES_PROP_ELEMENT_CLASS_INDEX, 2524 &child->spt_cindex) == 0); 2525 } 2526 child->spt_senumnode = snp; 2527 if (ses_phys_tree_insert(mod, &sproot, child) != 0) { 2528 /* collect unresolved element to process later. */ 2529 if (u_head == NULL) { 2530 u_head = child; 2531 u_tail = child; 2532 } else { 2533 child->spt_sibling = u_head; 2534 u_head = child; 2535 } 2536 } 2537 } 2538 2539 /* 2540 * The parent of a child node may not be inserted yet. 2541 * Trying to insert the child until no child is left or 2542 * no child is not added further. For the latter 2543 * the hierarchical relationship between elements 2544 * should be checked through SUNW,FRUID page. 2545 * u_watch is a watch dog to check the prgress of unresolved 2546 * node. 2547 */ 2548 u_watch = u_tail; 2549 while (u_head) { 2550 child = u_head; 2551 u_head = u_head->spt_sibling; 2552 if (u_head == NULL) 2553 u_tail = NULL; 2554 child->spt_sibling = NULL; 2555 if (ses_phys_tree_insert(mod, &sproot, child) != 0) { 2556 u_tail->spt_sibling = child; 2557 u_tail = child; 2558 if (child == u_watch) { 2559 /* 2560 * We just scanned one round for the 2561 * unresolved list. Check to see whether we 2562 * have nodes inserted, if none, we should 2563 * break in case of an indefinite loop. 2564 */ 2565 if (u_inserted == 0) { 2566 /* 2567 * Indicate there is unhandled node. 2568 * Chain free the whole unsolved 2569 * list here. 2570 */ 2571 u_left++; 2572 break; 2573 } else { 2574 u_inserted = 0; 2575 u_watch = u_tail; 2576 } 2577 } 2578 } else { 2579 /* 2580 * We just inserted one rpnode, increment the 2581 * unsolved_inserted counter. We will utilize this 2582 * counter to detect an indefinite insertion loop. 2583 */ 2584 u_inserted++; 2585 if (child == u_watch) { 2586 /* 2587 * watch dog node itself is inserted. 2588 * Set it to the tail and refresh the watching. 2589 */ 2590 u_watch = u_tail; 2591 u_inserted = 0; 2592 u_left = 0; 2593 } 2594 } 2595 } 2596 2597 /* check if there is left out unresolved nodes. */ 2598 if (u_left) { 2599 topo_mod_dprintf(mod, "ses_construct_phys_tree(): " 2600 "Failed to construct physical view of the following " 2601 "ses elements of Chassis CSN %s.", cp->sec_csn); 2602 while (u_head) { 2603 u_tail = u_head->spt_sibling; 2604 topo_mod_dprintf(mod, 2605 "\telement type (%d) and instance (%d)", 2606 u_head->spt_senumnode->sen_type, 2607 u_head->spt_senumnode->sen_instance); 2608 topo_mod_free(mod, u_head, sizeof (ses_phys_tree_t)); 2609 u_head = u_tail; 2610 } 2611 return (-1); 2612 } 2613 2614 return (0); 2615 } 2616 2617 /* 2618 * Free the whole phys tree. 2619 */ 2620 static void ses_phys_tree_free(topo_mod_t *mod, ses_phys_tree_t *sproot) 2621 { 2622 if (sproot == NULL) 2623 return; 2624 2625 /* Free child tree. */ 2626 if (sproot->spt_child) { 2627 ses_phys_tree_free(mod, sproot->spt_child); 2628 } 2629 2630 /* Free sibling trees. */ 2631 if (sproot->spt_sibling) { 2632 ses_phys_tree_free(mod, sproot->spt_sibling); 2633 } 2634 2635 /* Free root node itself. */ 2636 topo_mod_free(mod, sproot, sizeof (ses_phys_tree_t)); 2637 } 2638 2639 /* 2640 * Parses phys_enum_type table to get the index of the given type. 2641 */ 2642 static boolean_t 2643 is_type_enumerated(ses_phys_tree_t *node, int *index) 2644 { 2645 int i; 2646 2647 for (i = 0; i < N_PHYS_ENUM_TYPES; i++) { 2648 if (node->spt_senumnode->sen_type == 2649 phys_enum_type_list[i].pet_type) { 2650 *index = i; 2651 return (B_TRUE); 2652 } 2653 } 2654 return (B_FALSE); 2655 } 2656 2657 /* 2658 * Recusrive routine for top-down enumeration of the tree. 2659 */ 2660 static int 2661 ses_enumerate_node(ses_enum_data_t *sdp, tnode_t *pnode, ses_enum_chassis_t *cp, 2662 ses_phys_tree_t *parent, int mrange[]) 2663 { 2664 topo_mod_t *mod = sdp->sed_mod; 2665 ses_phys_tree_t *child = NULL; 2666 int i, ret = 0, ret_ch; 2667 uint64_t prevtype = SES_ET_UNSPECIFIED; 2668 ses_phys_tree_t *dirfru = NULL; 2669 tnode_t *tn = NULL, *frutn = NULL; 2670 2671 if (parent == NULL) { 2672 return (0); 2673 } 2674 2675 for (child = parent->spt_child; child != NULL; 2676 child = child->spt_sibling) { 2677 if (is_type_enumerated(child, &i)) { 2678 if (prevtype != phys_enum_type_list[i].pet_type) { 2679 /* check if range needs to be created. */ 2680 if (phys_enum_type_list[i].pet_dorange && 2681 topo_node_range_create(mod, pnode, 2682 phys_enum_type_list[i].pet_nodename, 0, 2683 mrange[i]) != 0) { 2684 topo_mod_dprintf(mod, 2685 "topo_node_create_range() failed: " 2686 "%s", topo_mod_errmsg(mod)); 2687 return (-1); 2688 } 2689 prevtype = phys_enum_type_list[i].pet_type; 2690 } 2691 2692 if (!(child->spt_isfru)) { 2693 for (dirfru = parent; dirfru != NULL; 2694 dirfru = dirfru->spt_parent) { 2695 if (dirfru->spt_isfru) { 2696 break; 2697 } 2698 } 2699 /* found direct FRU node. */ 2700 if (dirfru) { 2701 frutn = dirfru->spt_tnode; 2702 } else { 2703 frutn = NULL; 2704 } 2705 } else { 2706 frutn = NULL; 2707 } 2708 2709 if (ses_create_generic(sdp, child->spt_senumnode, 2710 pnode, frutn, phys_enum_type_list[i].pet_nodename, 2711 phys_enum_type_list[i].pet_defaultlabel, &tn) != 0) 2712 return (-1); 2713 2714 child->spt_tnode = tn; 2715 /* 2716 * For some SES element there may be protocol specific 2717 * information to process. Here we are processing 2718 * the association between enclosure controller and 2719 * SAS expanders. 2720 */ 2721 if (phys_enum_type_list[i].pet_type == 2722 SES_ET_ESC_ELECTRONICS) { 2723 /* create SAS expander node */ 2724 if (ses_create_protocol_specific(sdp, 2725 child->spt_senumnode, tn, 2726 phys_enum_type_list[i].pet_type, 2727 cp, phys_enum_type_list[i].pet_dorange) != 2728 0) { 2729 return (-1); 2730 } 2731 } 2732 } else { 2733 continue; 2734 } 2735 ret_ch = ses_enumerate_node(sdp, tn, cp, child, mrange); 2736 if (ret_ch) 2737 ret = ret_ch; /* there was an error and set the ret. */ 2738 } 2739 2740 return (ret); 2741 } 2742 2743 /* 2744 * Instantiate types of nodes that are specified in the hierarchy 2745 * element type list. 2746 */ 2747 static int 2748 ses_create_children_from_phys_tree(ses_enum_data_t *sdp, tnode_t *pnode, 2749 ses_enum_chassis_t *cp, ses_phys_tree_t *phys_tree) 2750 { 2751 topo_mod_t *mod = sdp->sed_mod; 2752 int mrange[N_PHYS_ENUM_TYPES] = { 0 }; 2753 ses_enum_node_t *snp; 2754 int i, ret; 2755 2756 /* 2757 * First get max range for each type of element to be enumerated. 2758 */ 2759 for (i = 0; i < N_PHYS_ENUM_TYPES; i++) { 2760 if (phys_enum_type_list[i].pet_dorange) { 2761 for (snp = topo_list_next(&cp->sec_nodes); snp != NULL; 2762 snp = topo_list_next(snp)) { 2763 if (snp->sen_type == 2764 phys_enum_type_list[i].pet_type) { 2765 if (snp->sen_instance > mrange[i]) 2766 mrange[i] = 2767 snp->sen_instance; 2768 } 2769 } 2770 } 2771 } 2772 2773 topo_mod_dprintf(mod, "%s: creating nodes from FRU hierarchy tree.", 2774 cp->sec_csn); 2775 2776 if ((ret = ses_enumerate_node(sdp, pnode, cp, phys_tree, mrange)) != 2777 0) { 2778 topo_mod_dprintf(mod, 2779 "ses_create_children_from_phys_tree() failed: "); 2780 return (ret); 2781 } 2782 2783 return (0); 2784 } 2785 2786 /* 2787 * Instantiate a new chassis instance in the topology. 2788 */ 2789 static int 2790 ses_create_chassis(ses_enum_data_t *sdp, tnode_t *pnode, ses_enum_chassis_t *cp) 2791 { 2792 topo_mod_t *mod = sdp->sed_mod; 2793 nvlist_t *props; 2794 char *raw_manufacturer, *raw_model, *raw_revision; 2795 char *manufacturer = NULL, *model = NULL, *product = NULL; 2796 char *revision = NULL; 2797 char *serial; 2798 char **paths; 2799 size_t prodlen; 2800 tnode_t *tn; 2801 nvlist_t *fmri = NULL, *auth = NULL; 2802 int ret = -1; 2803 ses_enum_node_t *snp; 2804 ses_enum_target_t *stp; 2805 ses_enum_chassis_t *scp; 2806 int i, err; 2807 uint64_t sc_count = 0, pindex; 2808 ses_phys_tree_t *sproot = NULL; 2809 hrtime_t start; 2810 hrtime_t end; 2811 double duration; 2812 2813 /* 2814 * Ignore any internal enclosures. 2815 */ 2816 if (cp->sec_internal) 2817 return (0); 2818 2819 /* 2820 * Check to see if there are any devices presennt in the chassis. If 2821 * not, ignore the chassis alltogether. This is most useful for 2822 * ignoring internal HBAs that present a SES target but don't actually 2823 * manage any of the devices. 2824 */ 2825 for (snp = topo_list_next(&cp->sec_nodes); snp != NULL; 2826 snp = topo_list_next(snp)) { 2827 if (snp->sen_type == SES_ET_DEVICE || 2828 snp->sen_type == SES_ET_ARRAY_DEVICE) 2829 break; 2830 } 2831 2832 if (snp == NULL) 2833 return (0); 2834 2835 props = ses_node_props(cp->sec_enclosure); 2836 2837 /* 2838 * We use the following property mappings: 2839 * 2840 * manufacturer vendor-id 2841 * model product-id 2842 * serial-number libses-chassis-serial 2843 */ 2844 verify(nvlist_lookup_string(props, SES_EN_PROP_VID, 2845 &raw_manufacturer) == 0); 2846 verify(nvlist_lookup_string(props, SES_EN_PROP_PID, &raw_model) == 0); 2847 verify(nvlist_lookup_string(props, SES_EN_PROP_REV, 2848 &raw_revision) == 0); 2849 verify(nvlist_lookup_string(props, LIBSES_EN_PROP_CSN, &serial) == 0); 2850 2851 /* 2852 * To construct the authority information, we 'clean' each string by 2853 * removing any offensive characters and trimmming whitespace. For the 2854 * 'product-id', we use a concatenation of 'manufacturer-model'. We 2855 * also take the numerical serial number and convert it to a string. 2856 */ 2857 if ((manufacturer = disk_auth_clean(mod, raw_manufacturer)) == NULL || 2858 (model = disk_auth_clean(mod, raw_model)) == NULL || 2859 (revision = disk_auth_clean(mod, raw_revision)) == NULL) { 2860 goto error; 2861 } 2862 2863 prodlen = strlen(manufacturer) + strlen(model) + 2; 2864 if ((product = topo_mod_alloc(mod, prodlen)) == NULL) 2865 goto error; 2866 2867 (void) snprintf(product, prodlen, "%s-%s", manufacturer, model); 2868 2869 /* 2870 * Construct the topo node and bind it to our parent. 2871 */ 2872 if (topo_mod_nvalloc(mod, &auth, NV_UNIQUE_NAME) != 0) 2873 goto error; 2874 2875 if (nvlist_add_string(auth, FM_FMRI_AUTH_PRODUCT, product) != 0 || 2876 nvlist_add_string(auth, FM_FMRI_AUTH_CHASSIS, serial) != 0) { 2877 (void) topo_mod_seterrno(mod, EMOD_NVL_INVAL); 2878 goto error; 2879 } 2880 2881 /* 2882 * We pass NULL for the parent FMRI because there is no resource 2883 * associated with it. For the toplevel enclosure, we leave the 2884 * serial/part/revision portions empty, which are reserved for 2885 * individual components within the chassis. 2886 */ 2887 if ((fmri = topo_mod_hcfmri(mod, NULL, FM_HC_SCHEME_VERSION, 2888 SES_ENCLOSURE, cp->sec_instance, NULL, auth, 2889 model, revision, serial)) == NULL) { 2890 topo_mod_dprintf(mod, "topo_mod_hcfmri() failed: %s", 2891 topo_mod_errmsg(mod)); 2892 goto error; 2893 } 2894 2895 if ((tn = topo_node_bind(mod, pnode, SES_ENCLOSURE, 2896 cp->sec_instance, fmri)) == NULL) { 2897 topo_mod_dprintf(mod, "topo_node_bind() failed: %s", 2898 topo_mod_errmsg(mod)); 2899 goto error; 2900 } 2901 2902 if (topo_method_register(mod, tn, ses_enclosure_methods) != 0) { 2903 topo_mod_dprintf(mod, 2904 "topo_method_register() failed: %s", 2905 topo_mod_errmsg(mod)); 2906 goto error; 2907 } 2908 2909 if (ses_set_standard_props(mod, NULL, tn, auth, 2910 ses_node_id(cp->sec_enclosure), cp->sec_target->set_devpath) != 0) 2911 goto error; 2912 2913 /* 2914 * For enclosures, we want to include all possible targets (for upgrade 2915 * purposes). 2916 */ 2917 for (i = 0, stp = topo_list_next(&cp->sec_targets); stp != NULL; 2918 stp = topo_list_next(stp), i++) 2919 ; 2920 2921 verify(i != 0); 2922 paths = alloca(i * sizeof (char *)); 2923 2924 for (i = 0, stp = topo_list_next(&cp->sec_targets); stp != NULL; 2925 stp = topo_list_next(stp), i++) 2926 paths[i] = stp->set_devpath; 2927 2928 2929 if (topo_prop_set_string_array(tn, TOPO_PGROUP_SES, 2930 TOPO_PROP_PATHS, TOPO_PROP_IMMUTABLE, (const char **)paths, 2931 i, &err) != 0) { 2932 topo_mod_dprintf(mod, 2933 "failed to create property %s: %s\n", 2934 TOPO_PROP_PATHS, topo_strerror(err)); 2935 goto error; 2936 } 2937 2938 if (nvlist_lookup_uint64(props, 2939 LIBSES_PROP_PHYS_PARENT, &pindex) == 0) { 2940 start = gethrtime(); /* to mearusre performance */ 2941 /* 2942 * The enclosure is supported through SUNW,FRUID. 2943 * Need to enumerate the nodes through hierarchical order. 2944 */ 2945 if ((sproot = topo_mod_zalloc(mod, 2946 sizeof (ses_phys_tree_t))) == NULL) { 2947 topo_mod_dprintf(mod, 2948 "failed to allocate root: %s\n", 2949 topo_strerror(err)); 2950 goto error; 2951 } 2952 sproot->spt_pindex = pindex; 2953 if (nvlist_lookup_boolean_value(props, 2954 LIBSES_PROP_FRU, &sproot->spt_isfru) != 0) { 2955 topo_mod_dprintf(mod, 2956 "ses_create_chassis(): Failed to find prop %s " 2957 "on enclosure element (CSN %s).", 2958 LIBSES_PROP_FRU, cp->sec_csn); 2959 /* an enclosure should be a FRU. continue to process. */ 2960 sproot->spt_isfru = B_TRUE; 2961 } 2962 if (nvlist_lookup_uint64(props, 2963 SES_PROP_ELEMENT_ONLY_INDEX, 2964 &sproot->spt_eonlyindex) != 0) { 2965 topo_mod_dprintf(mod, 2966 "ses_create_chassis(): Failed to find prop %s " 2967 "on enclosure element (CSN %s).", 2968 LIBSES_PROP_PHYS_PARENT, cp->sec_csn); 2969 topo_mod_free(mod, sproot, sizeof (ses_phys_tree_t)); 2970 goto error; 2971 } 2972 if (sproot->spt_pindex != sproot->spt_eonlyindex) { 2973 topo_mod_dprintf(mod, "ses_create_chassis(): " 2974 "Enclosure element(CSN %s) should have " 2975 "itself as the parent to be the root node " 2976 "of FRU hierarchical tree.)", cp->sec_csn); 2977 topo_mod_free(mod, sproot, sizeof (ses_phys_tree_t)); 2978 goto error; 2979 } else { 2980 sproot->spt_snode = cp->sec_enclosure; 2981 sproot->spt_tnode = tn; 2982 /* construct a tree. */ 2983 if (ses_construct_phys_tree(sdp, cp, sproot) != 0) { 2984 topo_mod_dprintf(mod, "ses_create_chassis(): " 2985 "Failed to construct FRU hierarchical " 2986 "tree on enclosure (CSN %s.)", 2987 cp->sec_csn); 2988 } 2989 2990 /* enumerate elements from the tree. */ 2991 if (ses_create_children_from_phys_tree(sdp, tn, cp, 2992 sproot) != 0) { 2993 topo_mod_dprintf(mod, "ses_create_chassis(): " 2994 "Failed to create children topo nodes out " 2995 "of FRU hierarchical tree on enclosure " 2996 "(CSN %s).", cp->sec_csn); 2997 } 2998 /* destroy the phys tree. */ 2999 ses_phys_tree_free(mod, sproot); 3000 } 3001 3002 end = gethrtime(); 3003 duration = end - start; 3004 duration /= HR_SECOND; 3005 topo_mod_dprintf(mod, 3006 "FRU boundary tree based enumeration: %.6f seconds", 3007 duration); 3008 } else { 3009 /* 3010 * Create the nodes for power supplies, fans, controllers and 3011 * devices. Note that SAS exopander nodes and connector nodes 3012 * are handled through protocol specific processing of 3013 * controllers. 3014 */ 3015 if (ses_create_children(sdp, tn, SES_ET_POWER_SUPPLY, 3016 PSU, "PSU", cp, B_TRUE) != 0 || 3017 ses_create_children(sdp, tn, SES_ET_COOLING, 3018 FAN, "FAN", cp, B_TRUE) != 0 || 3019 ses_create_children(sdp, tn, SES_ET_ESC_ELECTRONICS, 3020 CONTROLLER, "CONTROLLER", cp, B_TRUE) != 0 || 3021 ses_create_children(sdp, tn, SES_ET_DEVICE, 3022 BAY, "BAY", cp, B_TRUE) != 0 || 3023 ses_create_children(sdp, tn, SES_ET_ARRAY_DEVICE, 3024 BAY, "BAY", cp, B_TRUE) != 0) 3025 goto error; 3026 } 3027 3028 if (cp->sec_maxinstance >= 0 && 3029 (topo_node_range_create(mod, tn, SUBCHASSIS, 0, 3030 cp->sec_maxinstance) != 0)) { 3031 topo_mod_dprintf(mod, "topo_node_create_range() failed: %s", 3032 topo_mod_errmsg(mod)); 3033 goto error; 3034 } 3035 3036 for (scp = topo_list_next(&cp->sec_subchassis); scp != NULL; 3037 scp = topo_list_next(scp)) { 3038 3039 if (ses_create_subchassis(sdp, tn, scp) != 0) 3040 goto error; 3041 3042 topo_mod_dprintf(mod, "created Subchassis node with " 3043 "instance %u\nand target (%s) under Chassis with CSN %s", 3044 scp->sec_instance, scp->sec_target->set_devpath, 3045 cp->sec_csn); 3046 3047 sc_count++; 3048 } 3049 3050 topo_mod_dprintf(mod, "%s: created %llu %s nodes", 3051 cp->sec_csn, sc_count, SUBCHASSIS); 3052 3053 cp->sec_target->set_refcount++; 3054 topo_node_setspecific(tn, cp->sec_target); 3055 3056 ret = 0; 3057 error: 3058 topo_mod_strfree(mod, manufacturer); 3059 topo_mod_strfree(mod, model); 3060 topo_mod_strfree(mod, revision); 3061 topo_mod_strfree(mod, product); 3062 3063 nvlist_free(fmri); 3064 nvlist_free(auth); 3065 return (ret); 3066 } 3067 3068 /* 3069 * Create a bay node explicitly enumerated via XML. 3070 */ 3071 static int 3072 ses_create_bays(ses_enum_data_t *sdp, tnode_t *pnode) 3073 { 3074 topo_mod_t *mod = sdp->sed_mod; 3075 ses_enum_chassis_t *cp; 3076 3077 /* 3078 * Iterate over chassis looking for an internal enclosure. This 3079 * property is set via a vendor-specific plugin, and there should only 3080 * ever be a single internal chassis in a system. 3081 */ 3082 for (cp = topo_list_next(&sdp->sed_chassis); cp != NULL; 3083 cp = topo_list_next(cp)) { 3084 if (cp->sec_internal) 3085 break; 3086 } 3087 3088 if (cp == NULL) { 3089 topo_mod_dprintf(mod, "failed to find internal chassis\n"); 3090 return (-1); 3091 } 3092 3093 if (ses_create_children(sdp, pnode, SES_ET_DEVICE, 3094 BAY, "BAY", cp, B_FALSE) != 0 || 3095 ses_create_children(sdp, pnode, SES_ET_ARRAY_DEVICE, 3096 BAY, "BAY", cp, B_FALSE) != 0) 3097 return (-1); 3098 3099 return (0); 3100 } 3101 3102 /* 3103 * Initialize chassis or subchassis. 3104 */ 3105 static int 3106 ses_init_chassis(topo_mod_t *mod, ses_enum_data_t *sdp, ses_enum_chassis_t *pcp, 3107 ses_enum_chassis_t *cp, ses_node_t *np, nvlist_t *props, 3108 uint64_t subchassis, ses_chassis_type_e flags) 3109 { 3110 boolean_t internal, ident; 3111 3112 assert((flags & (SES_NEW_CHASSIS | SES_NEW_SUBCHASSIS | 3113 SES_DUP_CHASSIS | SES_DUP_SUBCHASSIS)) != 0); 3114 3115 assert(cp != NULL); 3116 assert(np != NULL); 3117 assert(props != NULL); 3118 3119 if (flags & (SES_NEW_SUBCHASSIS | SES_DUP_SUBCHASSIS)) 3120 assert(pcp != NULL); 3121 3122 topo_mod_dprintf(mod, "ses_init_chassis: %s: index %llu, flags (%d)", 3123 sdp->sed_name, subchassis, flags); 3124 3125 if (flags & (SES_NEW_CHASSIS | SES_NEW_SUBCHASSIS)) { 3126 3127 topo_mod_dprintf(mod, "new chassis/subchassis"); 3128 if (nvlist_lookup_boolean_value(props, 3129 LIBSES_EN_PROP_INTERNAL, &internal) == 0) 3130 cp->sec_internal = internal; 3131 3132 cp->sec_enclosure = np; 3133 cp->sec_target = sdp->sed_target; 3134 3135 if (flags & SES_NEW_CHASSIS) { 3136 if (!cp->sec_internal) 3137 cp->sec_instance = sdp->sed_instance++; 3138 topo_list_append(&sdp->sed_chassis, cp); 3139 } else { 3140 if (subchassis != NO_SUBCHASSIS) 3141 cp->sec_instance = subchassis; 3142 else 3143 cp->sec_instance = pcp->sec_scinstance++; 3144 3145 if (cp->sec_instance > pcp->sec_maxinstance) 3146 pcp->sec_maxinstance = cp->sec_instance; 3147 3148 topo_list_append(&pcp->sec_subchassis, cp); 3149 } 3150 3151 } else { 3152 topo_mod_dprintf(mod, "dup chassis/subchassis"); 3153 if (nvlist_lookup_boolean_value(props, 3154 SES_PROP_IDENT, &ident) == 0) { 3155 topo_mod_dprintf(mod, "overriding enclosure node"); 3156 3157 cp->sec_enclosure = np; 3158 cp->sec_target = sdp->sed_target; 3159 } 3160 } 3161 3162 topo_list_append(&cp->sec_targets, sdp->sed_target); 3163 sdp->sed_current = cp; 3164 3165 return (0); 3166 } 3167 3168 /* 3169 * Gather nodes from the current SES target into our chassis list, merging the 3170 * results if necessary. 3171 */ 3172 static ses_walk_action_t 3173 ses_enum_gather(ses_node_t *np, void *data) 3174 { 3175 nvlist_t *props = ses_node_props(np); 3176 ses_enum_data_t *sdp = data; 3177 topo_mod_t *mod = sdp->sed_mod; 3178 ses_enum_chassis_t *cp, *scp; 3179 ses_enum_node_t *snp; 3180 ses_alt_node_t *sap; 3181 char *csn; 3182 uint64_t instance, type; 3183 uint64_t prevstatus, status; 3184 boolean_t report; 3185 uint64_t subchassis = NO_SUBCHASSIS; 3186 3187 if (ses_node_type(np) == SES_NODE_ENCLOSURE) { 3188 /* 3189 * If we have already identified the chassis for this target, 3190 * then this is a secondary enclosure and we should ignore it, 3191 * along with the rest of the tree (since this is depth-first). 3192 */ 3193 if (sdp->sed_current != NULL) 3194 return (SES_WALK_ACTION_TERMINATE); 3195 3196 /* 3197 * Go through the list of chassis we have seen so far and see 3198 * if this serial number matches one of the known values. 3199 * If so, check whether this enclosure is a subchassis. 3200 */ 3201 if (nvlist_lookup_string(props, LIBSES_EN_PROP_CSN, 3202 &csn) != 0) 3203 return (SES_WALK_ACTION_TERMINATE); 3204 3205 (void) nvlist_lookup_uint64(props, LIBSES_EN_PROP_SUBCHASSIS_ID, 3206 &subchassis); 3207 3208 topo_mod_dprintf(mod, "ses_enum_gather: Enclosure Node (%s) " 3209 "CSN (%s), subchassis (%llu)", sdp->sed_name, csn, 3210 subchassis); 3211 3212 /* 3213 * We need to determine whether this enclosure node 3214 * represents a chassis or a subchassis. Since we may 3215 * receive the enclosure nodes in a non-deterministic 3216 * manner, we need to account for all possible combinations: 3217 * 1. Chassis for the current CSN has not yet been 3218 * allocated 3219 * 1.1 This is a new chassis: 3220 * allocate and instantiate the chassis 3221 * 1.2 This is a new subchassis: 3222 * allocate a placeholder chassis 3223 * allocate and instantiate the subchassis 3224 * link the subchassis to the chassis 3225 * 2. Chassis for the current CSN has been allocated 3226 * 2.1 This is a duplicate chassis enclosure 3227 * check whether to override old chassis 3228 * append to chassis' target list 3229 * 2.2 Only placeholder chassis exists 3230 * fill in the chassis fields 3231 * 2.3 This is a new subchassis 3232 * allocate and instantiate the subchassis 3233 * link the subchassis to the chassis 3234 * 2.4 This is a duplicate subchassis enclosure 3235 * check whether to override old chassis 3236 * append to chassis' target list 3237 */ 3238 3239 for (cp = topo_list_next(&sdp->sed_chassis); cp != NULL; 3240 cp = topo_list_next(cp)) 3241 if (strcmp(cp->sec_csn, csn) == 0) 3242 break; 3243 3244 if (cp == NULL) { 3245 /* 1. Haven't seen a chassis with this CSN before */ 3246 3247 if ((cp = topo_mod_zalloc(mod, 3248 sizeof (ses_enum_chassis_t))) == NULL) 3249 goto error; 3250 3251 cp->sec_scinstance = SES_STARTING_SUBCHASSIS; 3252 cp->sec_maxinstance = -1; 3253 cp->sec_csn = csn; 3254 3255 if (subchassis == NO_SUBCHASSIS) { 3256 /* 1.1 This is a new chassis */ 3257 3258 topo_mod_dprintf(mod, "%s: Initialize new " 3259 "chassis with CSN %s", sdp->sed_name, csn); 3260 3261 if (ses_init_chassis(mod, sdp, NULL, cp, 3262 np, props, NO_SUBCHASSIS, 3263 SES_NEW_CHASSIS) < 0) 3264 goto error; 3265 } else { 3266 /* 1.2 This is a new subchassis */ 3267 3268 topo_mod_dprintf(mod, "%s: Initialize new " 3269 "subchassis with CSN %s and index %llu", 3270 sdp->sed_name, csn, subchassis); 3271 3272 if ((scp = topo_mod_zalloc(mod, 3273 sizeof (ses_enum_chassis_t))) == NULL) 3274 goto error; 3275 3276 scp->sec_csn = csn; 3277 3278 if (ses_init_chassis(mod, sdp, cp, scp, np, 3279 props, subchassis, SES_NEW_SUBCHASSIS) < 0) 3280 goto error; 3281 } 3282 } else { 3283 /* 3284 * We have a chassis or subchassis with this CSN. If 3285 * it's a chassis, we must check to see whether it is 3286 * a placeholder previously created because we found a 3287 * subchassis with this CSN. We will know that because 3288 * the sec_target value will not be set; it is set only 3289 * in ses_init_chassis(). In that case, initialise it 3290 * as a new chassis; otherwise, it's a duplicate and we 3291 * need to append only. 3292 */ 3293 if (subchassis == NO_SUBCHASSIS) { 3294 if (cp->sec_target != NULL) { 3295 /* 2.1 This is a duplicate chassis */ 3296 3297 topo_mod_dprintf(mod, "%s: Append " 3298 "duplicate chassis with CSN (%s)", 3299 sdp->sed_name, csn); 3300 3301 if (ses_init_chassis(mod, sdp, NULL, cp, 3302 np, props, NO_SUBCHASSIS, 3303 SES_DUP_CHASSIS) < 0) 3304 goto error; 3305 } else { 3306 /* Placeholder chassis - init it up */ 3307 topo_mod_dprintf(mod, "%s: Initialize" 3308 "placeholder chassis with CSN %s", 3309 sdp->sed_name, csn); 3310 3311 if (ses_init_chassis(mod, sdp, NULL, 3312 cp, np, props, NO_SUBCHASSIS, 3313 SES_NEW_CHASSIS) < 0) 3314 goto error; 3315 3316 } 3317 } else { 3318 /* This is a subchassis */ 3319 3320 for (scp = topo_list_next(&cp->sec_subchassis); 3321 scp != NULL; scp = topo_list_next(scp)) 3322 if (scp->sec_instance == subchassis) 3323 break; 3324 3325 if (scp == NULL) { 3326 /* 2.3 This is a new subchassis */ 3327 3328 topo_mod_dprintf(mod, "%s: Initialize " 3329 "new subchassis with CSN (%s) " 3330 "and LID (%s)", 3331 sdp->sed_name, csn); 3332 3333 if ((scp = topo_mod_zalloc(mod, 3334 sizeof (ses_enum_chassis_t))) 3335 == NULL) 3336 goto error; 3337 3338 scp->sec_csn = csn; 3339 3340 if (ses_init_chassis(mod, sdp, cp, scp, 3341 np, props, subchassis, 3342 SES_NEW_SUBCHASSIS) < 0) 3343 goto error; 3344 } else { 3345 /* 2.4 This is a duplicate subchassis */ 3346 3347 topo_mod_dprintf(mod, "%s: Append " 3348 "duplicate subchassis with " 3349 "CSN (%s)", sdp->sed_name, csn); 3350 3351 if (ses_init_chassis(mod, sdp, cp, scp, 3352 np, props, subchassis, 3353 SES_DUP_SUBCHASSIS) < 0) 3354 goto error; 3355 } 3356 } 3357 } 3358 } else if (ses_node_type(np) == SES_NODE_ELEMENT) { 3359 /* 3360 * If we haven't yet seen an enclosure node and identified the 3361 * current chassis, something is very wrong; bail out. 3362 */ 3363 if (sdp->sed_current == NULL) 3364 return (SES_WALK_ACTION_TERMINATE); 3365 3366 /* 3367 * If this isn't one of the element types we care about, then 3368 * ignore it. 3369 */ 3370 verify(nvlist_lookup_uint64(props, SES_PROP_ELEMENT_TYPE, 3371 &type) == 0); 3372 if (type != SES_ET_DEVICE && 3373 type != SES_ET_ARRAY_DEVICE && 3374 type != SES_ET_SUNW_FANBOARD && 3375 type != SES_ET_SUNW_FANMODULE && 3376 type != SES_ET_COOLING && 3377 type != SES_ET_SUNW_POWERBOARD && 3378 type != SES_ET_SUNW_POWERMODULE && 3379 type != SES_ET_POWER_SUPPLY && 3380 type != SES_ET_ESC_ELECTRONICS && 3381 type != SES_ET_SAS_EXPANDER && 3382 type != SES_ET_SAS_CONNECTOR) 3383 return (SES_WALK_ACTION_CONTINUE); 3384 3385 /* 3386 * Get the current instance number and see if we already know 3387 * about this element. If so, it means we have multiple paths 3388 * to the same elements, and we should ignore the current path. 3389 */ 3390 verify(nvlist_lookup_uint64(props, SES_PROP_ELEMENT_CLASS_INDEX, 3391 &instance) == 0); 3392 if (type == SES_ET_DEVICE || type == SES_ET_ARRAY_DEVICE) 3393 (void) nvlist_lookup_uint64(props, SES_PROP_BAY_NUMBER, 3394 &instance); 3395 3396 cp = sdp->sed_current; 3397 3398 for (snp = topo_list_next(&cp->sec_nodes); snp != NULL; 3399 snp = topo_list_next(snp)) { 3400 if (snp->sen_type == type && 3401 snp->sen_instance == instance) 3402 break; 3403 } 3404 3405 /* 3406 * We prefer the new element under the following circumstances: 3407 * 3408 * - The currently known element's status is unknown or not 3409 * available, but the new element has a known status. This 3410 * occurs if a given element is only available through a 3411 * particular target. 3412 * 3413 * - This is an ESC_ELECTRONICS element, and the 'reported-via' 3414 * property is set. This allows us to get reliable firmware 3415 * revision information from the enclosure node. 3416 */ 3417 if (snp != NULL) { 3418 if (nvlist_lookup_uint64( 3419 ses_node_props(snp->sen_node), 3420 SES_PROP_STATUS_CODE, &prevstatus) != 0) 3421 prevstatus = SES_ESC_UNSUPPORTED; 3422 if (nvlist_lookup_uint64( 3423 props, SES_PROP_STATUS_CODE, &status) != 0) 3424 status = SES_ESC_UNSUPPORTED; 3425 if (nvlist_lookup_boolean_value( 3426 props, SES_PROP_REPORT, &report) != 0) 3427 report = B_FALSE; 3428 3429 if ((SES_STATUS_UNAVAIL(prevstatus) && 3430 !SES_STATUS_UNAVAIL(status)) || 3431 (type == SES_ET_ESC_ELECTRONICS && 3432 report)) { 3433 snp->sen_node = np; 3434 snp->sen_target = sdp->sed_target; 3435 } 3436 3437 if ((sap = topo_mod_zalloc(mod, 3438 sizeof (ses_alt_node_t))) == NULL) 3439 goto error; 3440 3441 sap->san_node = np; 3442 topo_list_append(&snp->sen_alt_nodes, sap); 3443 3444 return (SES_WALK_ACTION_CONTINUE); 3445 } 3446 3447 if ((snp = topo_mod_zalloc(mod, 3448 sizeof (ses_enum_node_t))) == NULL) 3449 goto error; 3450 3451 if ((sap = topo_mod_zalloc(mod, 3452 sizeof (ses_alt_node_t))) == NULL) { 3453 topo_mod_free(mod, snp, sizeof (ses_enum_node_t)); 3454 goto error; 3455 } 3456 3457 topo_mod_dprintf(mod, "%s: adding node (%llu, %llu)", 3458 sdp->sed_name, type, instance); 3459 snp->sen_node = np; 3460 snp->sen_type = type; 3461 snp->sen_instance = instance; 3462 snp->sen_target = sdp->sed_target; 3463 sap->san_node = np; 3464 topo_list_append(&snp->sen_alt_nodes, sap); 3465 topo_list_append(&cp->sec_nodes, snp); 3466 3467 if (type == SES_ET_DEVICE) 3468 cp->sec_hasdev = B_TRUE; 3469 } 3470 3471 return (SES_WALK_ACTION_CONTINUE); 3472 3473 error: 3474 sdp->sed_errno = -1; 3475 return (SES_WALK_ACTION_TERMINATE); 3476 } 3477 3478 static int 3479 ses_process_dir(const char *dirpath, ses_enum_data_t *sdp) 3480 { 3481 topo_mod_t *mod = sdp->sed_mod; 3482 DIR *dir; 3483 struct dirent *dp; 3484 char path[PATH_MAX]; 3485 ses_enum_target_t *stp; 3486 int err = -1; 3487 3488 /* 3489 * Open the SES target directory and iterate over any available 3490 * targets. 3491 */ 3492 if ((dir = opendir(dirpath)) == NULL) { 3493 /* 3494 * If the SES target directory does not exist, then return as if 3495 * there are no active targets. 3496 */ 3497 topo_mod_dprintf(mod, "failed to open ses " 3498 "directory '%s'", dirpath); 3499 return (0); 3500 } 3501 3502 while ((dp = readdir(dir)) != NULL) { 3503 if (strcmp(dp->d_name, ".") == 0 || 3504 strcmp(dp->d_name, "..") == 0) 3505 continue; 3506 3507 /* 3508 * Create a new target instance and take a snapshot. 3509 */ 3510 if ((stp = topo_mod_zalloc(mod, 3511 sizeof (ses_enum_target_t))) == NULL) 3512 goto error; 3513 3514 (void) pthread_mutex_init(&stp->set_lock, NULL); 3515 3516 (void) snprintf(path, sizeof (path), "%s/%s", dirpath, 3517 dp->d_name); 3518 3519 /* 3520 * We keep track of the SES device path and export it on a 3521 * per-node basis to allow higher level software to get to the 3522 * corresponding SES state. 3523 */ 3524 if ((stp->set_devpath = topo_mod_strdup(mod, path)) == NULL) { 3525 topo_mod_free(mod, stp, sizeof (ses_enum_target_t)); 3526 goto error; 3527 } 3528 3529 if ((stp->set_target = 3530 ses_open(LIBSES_VERSION, path)) == NULL) { 3531 topo_mod_dprintf(mod, "failed to open ses target " 3532 "'%s': %s", dp->d_name, ses_errmsg()); 3533 ses_sof_alloc(mod, stp->set_devpath); 3534 topo_mod_free(mod, stp, sizeof (ses_enum_target_t)); 3535 continue; 3536 } 3537 topo_mod_dprintf(mod, "open contract"); 3538 ses_ssl_alloc(mod, stp); 3539 ses_create_contract(mod, stp); 3540 3541 stp->set_refcount = 1; 3542 sdp->sed_target = stp; 3543 stp->set_snap = ses_snap_hold(stp->set_target); 3544 stp->set_snaptime = gethrtime(); 3545 3546 /* 3547 * Enumerate over all SES elements and merge them into the 3548 * correct ses_enum_chassis_t. 3549 */ 3550 sdp->sed_current = NULL; 3551 sdp->sed_errno = 0; 3552 sdp->sed_name = dp->d_name; 3553 (void) ses_walk(stp->set_snap, ses_enum_gather, sdp); 3554 3555 if (sdp->sed_errno != 0) 3556 goto error; 3557 } 3558 3559 err = 0; 3560 error: 3561 (void) closedir(dir); 3562 return (err); 3563 } 3564 3565 static void 3566 ses_release(topo_mod_t *mod, tnode_t *tn) 3567 { 3568 ses_enum_target_t *stp; 3569 3570 if ((stp = topo_node_getspecific(tn)) != NULL) { 3571 topo_node_setspecific(tn, NULL); 3572 ses_target_free(mod, stp); 3573 } 3574 } 3575 3576 /*ARGSUSED*/ 3577 static int 3578 ses_enum(topo_mod_t *mod, tnode_t *rnode, const char *name, 3579 topo_instance_t min, topo_instance_t max, void *arg, void *notused) 3580 { 3581 ses_enum_chassis_t *cp; 3582 ses_enum_data_t *data; 3583 3584 /* 3585 * Check to make sure we're being invoked sensibly, and that we're not 3586 * being invoked as part of a post-processing step. 3587 */ 3588 if (strcmp(name, SES_ENCLOSURE) != 0 && strcmp(name, BAY) != 0) 3589 return (0); 3590 3591 /* 3592 * If this is the first time we've called our enumeration method, then 3593 * gather information about any available enclosures. 3594 */ 3595 if ((data = topo_mod_getspecific(mod)) == NULL) { 3596 ses_sof_freeall(mod); 3597 if ((data = topo_mod_zalloc(mod, sizeof (ses_enum_data_t))) == 3598 NULL) 3599 return (-1); 3600 3601 data->sed_mod = mod; 3602 topo_mod_setspecific(mod, data); 3603 3604 if (dev_list_gather(mod, &data->sed_devs) != 0) 3605 goto error; 3606 3607 /* 3608 * We search both the ses(7D) and sgen(7D) locations, so we are 3609 * independent of any particular driver class bindings. 3610 */ 3611 if (ses_process_dir("/dev/es", data) != 0 || 3612 ses_process_dir("/dev/scsi/ses", data) != 0) 3613 goto error; 3614 } 3615 3616 if (strcmp(name, SES_ENCLOSURE) == 0) { 3617 /* 3618 * This is a request to enumerate external enclosures. Go 3619 * through all the targets and create chassis nodes where 3620 * necessary. 3621 */ 3622 for (cp = topo_list_next(&data->sed_chassis); cp != NULL; 3623 cp = topo_list_next(cp)) { 3624 if (ses_create_chassis(data, rnode, cp) != 0) 3625 goto error; 3626 } 3627 } else { 3628 /* 3629 * This is a request to enumerate a specific bay underneath the 3630 * root chassis (for internal disks). 3631 */ 3632 if (ses_create_bays(data, rnode) != 0) 3633 goto error; 3634 } 3635 3636 /* 3637 * This is a bit of a kludge. In order to allow internal disks to be 3638 * enumerated and share snapshot-specific information with the external 3639 * enclosure enumeration, we rely on the fact that we will be invoked 3640 * for the 'ses-enclosure' node last. 3641 */ 3642 if (strcmp(name, SES_ENCLOSURE) == 0) { 3643 for (cp = topo_list_next(&data->sed_chassis); cp != NULL; 3644 cp = topo_list_next(cp)) 3645 ses_data_free(data, cp); 3646 ses_data_free(data, NULL); 3647 topo_mod_setspecific(mod, NULL); 3648 } 3649 return (0); 3650 3651 error: 3652 for (cp = topo_list_next(&data->sed_chassis); cp != NULL; 3653 cp = topo_list_next(cp)) 3654 ses_data_free(data, cp); 3655 ses_data_free(data, NULL); 3656 topo_mod_setspecific(mod, NULL); 3657 return (-1); 3658 } 3659 3660 static const topo_modops_t ses_ops = 3661 { ses_enum, ses_release }; 3662 3663 static topo_modinfo_t ses_info = 3664 { SES_ENCLOSURE, FM_FMRI_SCHEME_HC, SES_VERSION, &ses_ops }; 3665 3666 /*ARGSUSED*/ 3667 int 3668 _topo_init(topo_mod_t *mod, topo_version_t version) 3669 { 3670 int rval; 3671 3672 if (getenv("TOPOSESDEBUG") != NULL) 3673 topo_mod_setdebug(mod); 3674 3675 topo_mod_dprintf(mod, "initializing %s enumerator\n", 3676 SES_ENCLOSURE); 3677 3678 if ((rval = topo_mod_register(mod, &ses_info, TOPO_VERSION)) == 0) 3679 ses_thread_init(mod); 3680 3681 return (rval); 3682 } 3683 3684 void 3685 _topo_fini(topo_mod_t *mod) 3686 { 3687 ses_thread_fini(mod); 3688 ses_sof_freeall(mod); 3689 topo_mod_unregister(mod); 3690 } 3691