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 2009 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #include <unistd.h> 28 #include <fcntl.h> 29 #include <stdio.h> 30 #include <stdlib.h> 31 #include <stdarg.h> 32 #include <string.h> 33 #include <strings.h> 34 #include <limits.h> 35 #include <alloca.h> 36 #include <kstat.h> 37 #include <errno.h> 38 #include <libnvpair.h> 39 #include <sys/types.h> 40 #include <sys/bitmap.h> 41 #include <sys/processor.h> 42 #include <sys/param.h> 43 #include <sys/fm/protocol.h> 44 #include <sys/systeminfo.h> 45 #include <sys/mc.h> 46 #include <sys/mc_amd.h> 47 #include <sys/mc_intel.h> 48 #include <sys/devfm.h> 49 #include <fm/fmd_agent.h> 50 #include <fm/topo_mod.h> 51 52 #include "chip.h" 53 54 #define MAX_DIMMNUM 7 55 #define MAX_CSNUM 7 56 57 /* 58 * Enumerates the processing chips, or sockets, (as distinct from cores) in a 59 * system. For each chip found, the necessary nodes (one or more cores, and 60 * possibly a memory controller) are constructed underneath. 61 */ 62 63 static int chip_enum(topo_mod_t *, tnode_t *, const char *, 64 topo_instance_t, topo_instance_t, void *, void *); 65 66 static const topo_modops_t chip_ops = 67 { chip_enum, NULL}; 68 static const topo_modinfo_t chip_info = 69 { CHIP_NODE_NAME, FM_FMRI_SCHEME_HC, CHIP_VERSION, &chip_ops }; 70 71 static const topo_pgroup_info_t chip_pgroup = 72 { PGNAME(CHIP), TOPO_STABILITY_PRIVATE, TOPO_STABILITY_PRIVATE, 1 }; 73 74 static const topo_pgroup_info_t core_pgroup = 75 { PGNAME(CORE), TOPO_STABILITY_PRIVATE, TOPO_STABILITY_PRIVATE, 1 }; 76 77 static const topo_pgroup_info_t strand_pgroup = 78 { PGNAME(STRAND), TOPO_STABILITY_PRIVATE, TOPO_STABILITY_PRIVATE, 1 }; 79 80 static const topo_method_t chip_methods[] = { 81 { SIMPLE_CHIP_LBL, "Property method", 0, 82 TOPO_STABILITY_INTERNAL, simple_chip_label}, 83 { G4_CHIP_LBL, "Property method", 0, 84 TOPO_STABILITY_INTERNAL, g4_chip_label}, 85 { A4FPLUS_CHIP_LBL, "Property method", 0, 86 TOPO_STABILITY_INTERNAL, a4fplus_chip_label}, 87 { FSB2_CHIP_LBL, "Property method", 0, 88 TOPO_STABILITY_INTERNAL, fsb2_chip_label}, 89 { NULL } 90 }; 91 92 static const topo_method_t strands_retire_methods[] = { 93 { TOPO_METH_RETIRE, TOPO_METH_RETIRE_DESC, 94 TOPO_METH_RETIRE_VERSION, TOPO_STABILITY_INTERNAL, 95 retire_strands }, 96 { TOPO_METH_UNRETIRE, TOPO_METH_UNRETIRE_DESC, 97 TOPO_METH_UNRETIRE_VERSION, TOPO_STABILITY_INTERNAL, 98 unretire_strands }, 99 { TOPO_METH_SERVICE_STATE, TOPO_METH_SERVICE_STATE_DESC, 100 TOPO_METH_SERVICE_STATE_VERSION, TOPO_STABILITY_INTERNAL, 101 service_state_strands }, 102 { TOPO_METH_UNUSABLE, TOPO_METH_UNUSABLE_DESC, 103 TOPO_METH_UNUSABLE_VERSION, TOPO_STABILITY_INTERNAL, 104 unusable_strands }, 105 { NULL } 106 }; 107 108 int 109 _topo_init(topo_mod_t *mod) 110 { 111 if (getenv("TOPOCHIPDBG")) 112 topo_mod_setdebug(mod); 113 topo_mod_dprintf(mod, "initializing chip enumerator\n"); 114 115 if (topo_mod_register(mod, &chip_info, TOPO_VERSION) != 0) { 116 whinge(mod, NULL, "failed to register hc: " 117 "%s\n", topo_mod_errmsg(mod)); 118 return (-1); /* mod errno set */ 119 } 120 121 return (0); 122 } 123 124 void 125 _topo_fini(topo_mod_t *mod) 126 { 127 topo_mod_unregister(mod); 128 } 129 130 boolean_t 131 is_xpv(void) 132 { 133 static int r = -1; 134 char platform[MAXNAMELEN]; 135 136 if (r != -1) 137 return (r == 0); 138 139 (void) sysinfo(SI_PLATFORM, platform, sizeof (platform)); 140 r = strcmp(platform, "i86xpv"); 141 return (r == 0); 142 } 143 144 static tnode_t * 145 create_node(topo_mod_t *mod, tnode_t *pnode, nvlist_t *auth, char *name, 146 topo_instance_t inst, uint16_t smbios_id) 147 { 148 nvlist_t *fmri; 149 tnode_t *cnode; 150 151 if (mkrsrc(mod, pnode, name, inst, auth, &fmri) != 0) { 152 whinge(mod, NULL, "create_node: mkrsrc failed\n"); 153 return (NULL); 154 } 155 156 if (FM_AWARE_SMBIOS(mod)) { 157 id_t phys_cpu_smbid; 158 int perr = 0; 159 const char *serial = NULL; 160 const char *part = NULL; 161 const char *rev = NULL; 162 163 phys_cpu_smbid = smbios_id; 164 serial = chip_serial_smbios_get(mod, phys_cpu_smbid); 165 part = chip_part_smbios_get(mod, phys_cpu_smbid); 166 rev = chip_rev_smbios_get(mod, phys_cpu_smbid); 167 168 perr += nvlist_add_string(fmri, FM_FMRI_HC_SERIAL_ID, 169 serial); 170 perr += nvlist_add_string(fmri, FM_FMRI_HC_PART, 171 part); 172 perr += nvlist_add_string(fmri, FM_FMRI_HC_REVISION, 173 rev); 174 175 if (perr != 0) 176 whinge(mod, NULL, 177 "create_node: nvlist_add_string failed\n"); 178 179 topo_mod_strfree(mod, (char *)serial); 180 topo_mod_strfree(mod, (char *)part); 181 topo_mod_strfree(mod, (char *)rev); 182 } 183 184 cnode = topo_node_bind(mod, pnode, name, inst, fmri); 185 186 nvlist_free(fmri); 187 if (cnode == NULL) { 188 whinge(mod, NULL, "create_node: node bind failed" 189 " for %s %d\n", name, (int)inst); 190 } 191 192 return (cnode); 193 } 194 195 static int 196 create_strand(topo_mod_t *mod, tnode_t *pnode, nvlist_t *cpu, 197 nvlist_t *auth, uint16_t chip_smbiosid) 198 { 199 tnode_t *strand; 200 int32_t strandid, cpuid; 201 int err, perr, nerr = 0; 202 nvlist_t *fmri; 203 char *serial = NULL; 204 char *part = NULL; 205 char *rev = NULL; 206 207 if ((err = nvlist_lookup_int32(cpu, FM_PHYSCPU_INFO_STRAND_ID, 208 &strandid)) != 0) { 209 whinge(mod, NULL, "create_strand: lookup strand_id failed: " 210 "%s\n", strerror(err)); 211 return (-1); 212 } 213 214 if ((strand = topo_node_lookup(pnode, STRAND_NODE_NAME, strandid)) 215 != NULL) { 216 whinge(mod, NULL, "create_strand: duplicate tuple found\n"); 217 return (-1); 218 } 219 220 if ((strand = create_node(mod, pnode, auth, STRAND_NODE_NAME, 221 strandid, chip_smbiosid)) == NULL) 222 return (-1); 223 224 /* 225 * Inherit FRU from core node, in native use cpu scheme ASRU, 226 * in xpv, use hc scheme ASRU. 227 */ 228 (void) topo_node_fru_set(strand, NULL, 0, &perr); 229 /* 230 * From the inherited FRU, extract the Serial 231 * number(if SMBIOS donates) and set it in the ASRU 232 */ 233 if (FM_AWARE_SMBIOS(mod)) { 234 char *val = NULL; 235 236 if (topo_prop_get_fmri(strand, TOPO_PGROUP_PROTOCOL, 237 TOPO_PROP_RESOURCE, &fmri, &err) != 0) 238 whinge(mod, NULL, 239 "create_strand: topo_prop_get_fmri failed\n"); 240 if (nvlist_lookup_string(fmri, FM_FMRI_HC_SERIAL_ID, &val) != 0) 241 whinge(mod, NULL, 242 "create_strand: nvlist_lookup_string failed: \n"); 243 else 244 serial = topo_mod_strdup(mod, val); 245 nvlist_free(fmri); 246 } 247 if (is_xpv()) { 248 if (topo_node_resource(strand, &fmri, &err) == -1) { 249 whinge(mod, &nerr, "create_strand: " 250 "topo_node_resource failed\n"); 251 } else { 252 if (FM_AWARE_SMBIOS(mod)) 253 (void) nvlist_add_string(fmri, 254 FM_FMRI_HC_SERIAL_ID, serial); 255 (void) topo_node_asru_set(strand, fmri, 0, &err); 256 nvlist_free(fmri); 257 } 258 } else { 259 if (nvlist_lookup_int32(cpu, STRAND_CPU_ID, &cpuid) != 0) { 260 whinge(mod, &nerr, "create_strand: lookup cpuid " 261 "failed\n"); 262 } else { 263 if ((fmri = cpu_fmri_create(mod, cpuid, serial, 0)) 264 != NULL) { 265 (void) topo_node_asru_set(strand, fmri, 266 0, &err); 267 nvlist_free(fmri); 268 } else { 269 whinge(mod, &nerr, "create_strand: " 270 "cpu_fmri_create() failed\n"); 271 } 272 } 273 } 274 275 if (topo_method_register(mod, strand, strands_retire_methods) < 0) 276 whinge(mod, &nerr, "create_strand: " 277 "topo_method_register failed\n"); 278 279 (void) topo_pgroup_create(strand, &strand_pgroup, &err); 280 nerr -= add_nvlist_longprops(mod, strand, cpu, PGNAME(STRAND), NULL, 281 STRAND_CHIP_ID, STRAND_CORE_ID, STRAND_CPU_ID, NULL); 282 283 if (FM_AWARE_SMBIOS(mod)) { 284 (void) topo_node_label_set(strand, NULL, &perr); 285 286 if (topo_node_resource(strand, &fmri, &perr) != 0) { 287 whinge(mod, &nerr, "create_strand: " 288 "topo_node_resource failed\n"); 289 perr = 0; 290 } 291 292 perr += nvlist_lookup_string(fmri, 293 FM_FMRI_HC_PART, &part); 294 perr += nvlist_lookup_string(fmri, 295 FM_FMRI_HC_REVISION, &rev); 296 297 if (perr != 0) { 298 whinge(mod, NULL, 299 "create_strand: nvlist_lookup_string failed\n"); 300 perr = 0; 301 } 302 303 perr += topo_prop_set_string(strand, PGNAME(STRAND), 304 FM_FMRI_HC_SERIAL_ID, TOPO_PROP_IMMUTABLE, serial, &perr); 305 perr += topo_prop_set_string(strand, PGNAME(STRAND), 306 FM_FMRI_HC_PART, TOPO_PROP_IMMUTABLE, part, &perr); 307 perr += topo_prop_set_string(strand, PGNAME(STRAND), 308 FM_FMRI_HC_REVISION, TOPO_PROP_IMMUTABLE, rev, &perr); 309 310 if (perr != 0) 311 whinge(mod, NULL, "create_strand: topo_prop_set_string" 312 "failed\n"); 313 314 nvlist_free(fmri); 315 topo_mod_strfree(mod, serial); 316 } 317 318 return (err == 0 && nerr == 0 ? 0 : -1); 319 } 320 321 static int 322 create_core(topo_mod_t *mod, tnode_t *pnode, nvlist_t *cpu, 323 nvlist_t *auth, uint16_t chip_smbiosid) 324 { 325 tnode_t *core; 326 int32_t coreid, cpuid; 327 int err, perr, nerr = 0; 328 nvlist_t *fmri; 329 char *serial = NULL; 330 char *part = NULL; 331 char *rev = NULL; 332 333 if ((err = nvlist_lookup_int32(cpu, FM_PHYSCPU_INFO_CORE_ID, &coreid)) 334 != 0) { 335 whinge(mod, NULL, "create_core: lookup core_id failed: %s\n", 336 strerror(err)); 337 return (-1); 338 } 339 if ((core = topo_node_lookup(pnode, CORE_NODE_NAME, coreid)) == NULL) { 340 if ((core = create_node(mod, pnode, auth, CORE_NODE_NAME, 341 coreid, chip_smbiosid)) == NULL) 342 return (-1); 343 344 /* 345 * Inherit FRU from the chip node, for native, we use hc 346 * scheme ASRU for the core node. 347 */ 348 (void) topo_node_fru_set(core, NULL, 0, &perr); 349 /* 350 * From the inherited FRU, extract the Serial 351 * number if SMBIOS donates and set it in the ASRU 352 */ 353 if (FM_AWARE_SMBIOS(mod)) { 354 char *val = NULL; 355 356 if (topo_node_resource(core, &fmri, &err) != 0) 357 whinge(mod, NULL, 358 "create_core: topo_prop_get_fmri failed\n"); 359 if (nvlist_lookup_string(fmri, FM_FMRI_HC_SERIAL_ID, 360 &val) != 0) 361 whinge(mod, NULL, "create_core:" 362 "nvlist_lookup_string failed\n"); 363 else 364 serial = topo_mod_strdup(mod, val); 365 nvlist_free(fmri); 366 } 367 if (is_xpv()) { 368 if (topo_node_resource(core, &fmri, &err) == -1) { 369 whinge(mod, &nerr, "create_core: " 370 "topo_node_resource failed\n"); 371 } else { 372 if (FM_AWARE_SMBIOS(mod)) 373 (void) nvlist_add_string(fmri, 374 FM_FMRI_HC_SERIAL_ID, serial); 375 (void) topo_node_asru_set(core, fmri, 0, &err); 376 nvlist_free(fmri); 377 } 378 } 379 if (topo_method_register(mod, core, strands_retire_methods) < 0) 380 whinge(mod, &nerr, "create_core: " 381 "topo_method_register failed\n"); 382 383 (void) topo_pgroup_create(core, &core_pgroup, &err); 384 nerr -= add_nvlist_longprop(mod, core, cpu, PGNAME(CORE), 385 CORE_CHIP_ID, NULL); 386 387 if (topo_node_range_create(mod, core, STRAND_NODE_NAME, 388 0, 255) != 0) 389 return (-1); 390 } 391 392 if (!is_xpv()) { 393 /* 394 * In native mode, we're in favor of cpu scheme ASRU for 395 * printing reason. More work needs to be done to support 396 * multi-strand cpu: the ASRU will be a list of cpuid then. 397 */ 398 if (nvlist_lookup_int32(cpu, STRAND_CPU_ID, &cpuid) != 0) { 399 whinge(mod, &nerr, "create_core: lookup cpuid " 400 "failed\n"); 401 } else { 402 if ((fmri = cpu_fmri_create(mod, cpuid, serial, 0)) 403 != NULL) { 404 (void) topo_node_asru_set(core, fmri, 0, &err); 405 nvlist_free(fmri); 406 } else { 407 whinge(mod, &nerr, "create_core: " 408 "cpu_fmri_create() failed\n"); 409 } 410 } 411 } 412 413 if (FM_AWARE_SMBIOS(mod)) { 414 (void) topo_node_label_set(core, NULL, &perr); 415 416 if (topo_node_resource(core, &fmri, &perr) != 0) { 417 whinge(mod, &nerr, "create_core: " 418 "topo_node_resource failed\n"); 419 perr = 0; 420 } 421 422 perr += nvlist_lookup_string(fmri, 423 FM_FMRI_HC_PART, &part); 424 perr += nvlist_lookup_string(fmri, 425 FM_FMRI_HC_REVISION, &rev); 426 427 if (perr != 0) { 428 whinge(mod, NULL, 429 "create_core: nvlist_lookup_string failed\n"); 430 perr = 0; 431 } 432 433 perr += topo_prop_set_string(core, PGNAME(CORE), 434 FM_FMRI_HC_SERIAL_ID, TOPO_PROP_IMMUTABLE, serial, &perr); 435 perr += topo_prop_set_string(core, PGNAME(CORE), 436 FM_FMRI_HC_PART, TOPO_PROP_IMMUTABLE, part, &perr); 437 perr += topo_prop_set_string(core, PGNAME(CORE), 438 FM_FMRI_HC_REVISION, TOPO_PROP_IMMUTABLE, rev, &perr); 439 440 if (perr != 0) 441 whinge(mod, NULL, "create_core: topo_prop_set_string" 442 "failed\n"); 443 444 nvlist_free(fmri); 445 topo_mod_strfree(mod, serial); 446 } 447 448 err = create_strand(mod, core, cpu, auth, chip_smbiosid); 449 450 return (err == 0 && nerr == 0 ? 0 : -1); 451 } 452 453 static int 454 create_chip(topo_mod_t *mod, tnode_t *pnode, topo_instance_t min, 455 topo_instance_t max, nvlist_t *cpu, nvlist_t *auth, 456 int mc_offchip) 457 { 458 tnode_t *chip; 459 int32_t chipid; 460 nvlist_t *fmri = NULL; 461 int err, perr, nerr = 0; 462 int32_t fms[3]; 463 const char *vendor; 464 boolean_t create_mc = B_FALSE; 465 uint16_t smbios_id; 466 467 /* 468 * /dev/fm will export the chipid based on SMBIOS' ordering 469 * of Type-4 structures, if SMBIOS meets FMA needs 470 */ 471 if ((err = nvlist_lookup_int32(cpu, FM_PHYSCPU_INFO_CHIP_ID, &chipid)) 472 != 0) { 473 whinge(mod, &nerr, "create_chip: lookup chip_id failed: %s\n", 474 strerror(err)); 475 return (-1); 476 } 477 478 if (chipid < min || chipid > max) 479 return (-1); 480 481 if (FM_AWARE_SMBIOS(mod)) { 482 if ((err = nvlist_lookup_uint16(cpu, 483 FM_PHYSCPU_INFO_SMBIOS_ID, &smbios_id)) != 0) { 484 whinge(mod, NULL, 485 "create_chip: lookup smbios_id failed" 486 ": enumerating x86pi & chip topology, but" 487 " no Chip properties from SMBIOS" 488 " - err msg : %s\n", strerror(err)); 489 /* 490 * Lets reset the module specific 491 * data to NULL, overriding any 492 * SMBIOS capability encoded earlier. 493 * This will fail all subsequent 494 * FM_AWARE_SMBIOS checks. 495 */ 496 topo_mod_setspecific(mod, NULL); 497 } 498 } 499 500 if ((chip = topo_node_lookup(pnode, CHIP_NODE_NAME, chipid)) == NULL) { 501 if ((chip = create_node(mod, pnode, auth, CHIP_NODE_NAME, 502 chipid, smbios_id)) == NULL) 503 return (-1); 504 /* 505 * Do not register XML map methods if SMBIOS can provide 506 * serial, part, revision & label 507 */ 508 if (!FM_AWARE_SMBIOS(mod)) { 509 if (topo_method_register(mod, chip, chip_methods) < 0) 510 whinge(mod, &nerr, "create_chip: " 511 "topo_method_register failed\n"); 512 } 513 514 (void) topo_pgroup_create(chip, &chip_pgroup, &err); 515 nerr -= add_nvlist_strprop(mod, chip, cpu, PGNAME(CHIP), 516 CHIP_VENDOR_ID, &vendor); 517 nerr -= add_nvlist_longprops(mod, chip, cpu, PGNAME(CHIP), 518 fms, CHIP_FAMILY, CHIP_MODEL, CHIP_STEPPING, NULL); 519 520 if (FM_AWARE_SMBIOS(mod)) { 521 int fru = 0; 522 char *serial = NULL; 523 char *part = NULL; 524 char *rev = NULL; 525 char *label; 526 527 fru = chip_fru_smbios_get(mod, smbios_id); 528 /* 529 * Chip is not a FRU, set the FRU fmri of parent node 530 */ 531 if (topo_node_resource(chip, &fmri, &perr) != 0) 532 whinge(mod, &nerr, "create_chip: " 533 "topo_node_resource failed\n"); 534 if (!fru) { 535 (void) topo_node_fru_set(chip, NULL, 0, &perr); 536 label = NULL; 537 } else { 538 label = (char *)chip_label_smbios_get(mod, 539 pnode, smbios_id, NULL); 540 541 if (topo_node_fru_set(chip, fmri, 0, &perr) 542 != 0) { 543 whinge(mod, NULL, "create_chip: " 544 "topo_node_fru_set failed\n"); 545 perr = 0; 546 } 547 } 548 549 perr += nvlist_lookup_string(fmri, 550 FM_FMRI_HC_SERIAL_ID, &serial); 551 perr += nvlist_lookup_string(fmri, 552 FM_FMRI_HC_PART, &part); 553 perr += nvlist_lookup_string(fmri, 554 FM_FMRI_HC_REVISION, &rev); 555 556 if (perr != 0) { 557 whinge(mod, NULL, 558 "create_chip: nvlist_lookup_string" 559 "failed\n"); 560 perr = 0; 561 } 562 563 perr += topo_prop_set_string(chip, PGNAME(CHIP), 564 FM_FMRI_HC_SERIAL_ID, TOPO_PROP_IMMUTABLE, 565 serial, &perr); 566 perr += topo_prop_set_string(chip, PGNAME(CHIP), 567 FM_FMRI_HC_PART, TOPO_PROP_IMMUTABLE, 568 part, &perr); 569 perr += topo_prop_set_string(chip, PGNAME(CHIP), 570 FM_FMRI_HC_REVISION, TOPO_PROP_IMMUTABLE, 571 rev, &perr); 572 573 if (perr != 0) 574 whinge(mod, NULL, 575 "create_chip: topo_prop_set_string" 576 "failed\n"); 577 578 nvlist_free(fmri); 579 580 if (topo_node_label_set(chip, label, &perr) 581 == -1) { 582 whinge(mod, NULL, "create_chip: " 583 "topo_node_label_set failed\n"); 584 } 585 topo_mod_strfree(mod, label); 586 587 } else { 588 if (topo_node_resource(chip, &fmri, &err) == -1) { 589 whinge(mod, &nerr, "create_chip: " 590 "topo_node_resource failed\n"); 591 } else { 592 (void) topo_node_fru_set(chip, fmri, 0, &perr); 593 nvlist_free(fmri); 594 } 595 } 596 597 if (topo_method_register(mod, chip, strands_retire_methods) < 0) 598 whinge(mod, &nerr, "create_chip: " 599 "topo_method_register failed\n"); 600 601 if (topo_node_range_create(mod, chip, CORE_NODE_NAME, 602 0, 255) != 0) 603 return (-1); 604 605 create_mc = B_TRUE; 606 } 607 608 if (FM_AWARE_SMBIOS(mod)) { 609 int status = 0; 610 /* 611 * STATUS 612 * CPU Socket Populated 613 * CPU Socket Unpopulated 614 * Populated : Enabled 615 * Populated : Disabled by BIOS (Setup) 616 * Populated : Disabled by BIOS (Error) 617 * Populated : Idle 618 * 619 * Enumerate core & strand only for Populated : Enabled 620 * Enumerate Off-Chip Memory Controller only for 621 * Populated : Enabled 622 */ 623 624 status = chip_status_smbios_get(mod, (id_t)smbios_id); 625 if (!status) { 626 whinge(mod, NULL, "create_chip: " 627 "CPU Socket is not populated or is disabled\n"); 628 return (0); 629 } 630 } 631 632 err = create_core(mod, chip, cpu, auth, smbios_id); 633 634 /* 635 * Create memory-controller node under a chip for architectures 636 * that may have on-chip memory-controller(s). 637 * If SMBIOS meets FMA needs, when Multi-Chip-Module is 638 * addressed, mc instances should be derived from SMBIOS 639 */ 640 if (create_mc) { 641 if (strcmp(vendor, "AuthenticAMD") == 0) 642 amd_mc_create(mod, smbios_id, chip, MCT_NODE_NAME, auth, 643 fms[0], fms[1], fms[2], &nerr); 644 else if (!mc_offchip) { 645 onchip_mc_create(mod, smbios_id, chip, 646 MCT_NODE_NAME, auth); 647 } 648 } 649 650 return (err == 0 && nerr == 0 ? 0 : -1); 651 } 652 653 /*ARGSUSED*/ 654 static int 655 create_chips(topo_mod_t *mod, tnode_t *pnode, const char *name, 656 topo_instance_t min, topo_instance_t max, void *arg, nvlist_t *auth, 657 int mc_offchip) 658 { 659 fmd_agent_hdl_t *hdl; 660 nvlist_t **cpus; 661 int nerr = 0; 662 uint_t i, ncpu; 663 664 if (strcmp(name, CHIP_NODE_NAME) != 0) 665 return (0); 666 667 if ((hdl = fmd_agent_open(FMD_AGENT_VERSION)) == NULL) 668 return (-1); 669 if (fmd_agent_physcpu_info(hdl, &cpus, &ncpu) != 0) { 670 whinge(mod, NULL, "create_chip: fmd_agent_physcpu_info " 671 "failed: %s\n", fmd_agent_errmsg(hdl)); 672 fmd_agent_close(hdl); 673 return (-1); 674 } 675 fmd_agent_close(hdl); 676 677 for (i = 0; i < ncpu; i++) { 678 nerr -= create_chip(mod, pnode, min, max, cpus[i], auth, 679 mc_offchip); 680 nvlist_free(cpus[i]); 681 } 682 umem_free(cpus, sizeof (nvlist_t *) * ncpu); 683 684 if (nerr == 0) { 685 return (0); 686 } else { 687 (void) topo_mod_seterrno(mod, EMOD_PARTIAL_ENUM); 688 return (-1); 689 } 690 } 691 692 /*ARGSUSED*/ 693 static int 694 chip_enum(topo_mod_t *mod, tnode_t *pnode, const char *name, 695 topo_instance_t min, topo_instance_t max, void *arg, void *smbios_enabled) 696 { 697 int rv = 0; 698 nvlist_t *auth = NULL; 699 int offchip_mc; 700 char buf[BUFSIZ]; 701 const char *dom0 = "control_d"; 702 703 /* 704 * Create nothing if we're running in domU. 705 */ 706 if (sysinfo(SI_PLATFORM, buf, sizeof (buf)) == -1) 707 return (-1); 708 709 if (strncmp(buf, "i86pc", sizeof (buf)) != 0 && 710 strncmp(buf, "i86xpv", sizeof (buf)) != 0) 711 return (0); 712 713 if (strncmp(buf, "i86xpv", sizeof (buf)) == 0) { 714 int fd = open("/dev/xen/domcaps", O_RDONLY); 715 716 if (fd != -1) { 717 if (read(fd, buf, sizeof (buf)) <= 0 || 718 strncmp(buf, dom0, strlen(dom0)) != 0) { 719 (void) close(fd); 720 return (0); 721 } 722 (void) close(fd); 723 } 724 } 725 726 /* 727 * Set Chip Enumerator Module's private data with the value passed by 728 * x86pi Enumerator, defining SMBIOS capabilities 729 */ 730 topo_mod_setspecific(mod, smbios_enabled); 731 732 if (FM_AWARE_SMBIOS(mod)) 733 if (init_chip_smbios(mod) != 0) { 734 whinge(mod, NULL, 735 "init_chip_smbios() failed, " 736 " enumerating x86pi & chip topology, but no" 737 " CPU & Memory properties will be" 738 " derived from SMBIOS\n"); 739 /* 740 * Lets reset the module specific 741 * data to NULL, overriding any 742 * SMBIOS capability encoded earlier. 743 * This will fail all subsequent 744 * FM_AWARE_SMBIOS checks. 745 */ 746 topo_mod_setspecific(mod, NULL); 747 } 748 749 auth = topo_mod_auth(mod, pnode); 750 751 offchip_mc = mc_offchip_open(); 752 if (strcmp(name, CHIP_NODE_NAME) == 0) 753 rv = create_chips(mod, pnode, name, min, max, NULL, auth, 754 offchip_mc); 755 756 if (offchip_mc) 757 (void) mc_offchip_create(mod, pnode, "memory-controller", auth); 758 759 nvlist_free(auth); 760 761 return (rv); 762 } 763