1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _META_H 27 #define _META_H 28 29 #pragma ident "%Z%%M% %I% %E% SMI" 30 31 #include <limits.h> 32 #include <stdio.h> 33 #include <stdlib.h> 34 #include <fcntl.h> 35 #include <errno.h> 36 #include <string.h> 37 #include <unistd.h> 38 #include <libgen.h> 39 #include <locale.h> 40 #include <time.h> 41 #include <assert.h> 42 #include <stdarg.h> 43 #include <signal.h> 44 #include <devid.h> 45 #include <sys/types.h> 46 #include <sys/stat.h> 47 #include <sys/sysmacros.h> 48 #include <sys/mkdev.h> 49 #include <sys/time.h> 50 #include <sys/dkio.h> 51 #include <sys/vtoc.h> 52 #include <sys/efi_partition.h> 53 #include <meta_basic.h> 54 #include <mdiox.h> 55 #include <metamed.h> 56 #include <sys/lvm/mdio.h> 57 #include <sys/lvm/md_mddb.h> 58 #include <sys/lvm/md_sp.h> 59 #include <sys/lvm/mdmn_commd.h> 60 61 #ifdef __cplusplus 62 extern "C" { 63 #endif 64 65 /* debug malloc include */ 66 #ifdef DEBUG_MALLOC 67 #ifdef _REENTRANT 68 die right now 69 #endif 70 #include <../lib/malloclib/malloc.h> 71 #endif 72 73 /* 74 * useful macros 75 */ 76 #ifndef min 77 #define min(x, y) (((x) < (y)) ? (x) : (y)) 78 #endif 79 #ifndef max 80 #define max(x, y) (((x) > (y)) ? (x) : (y)) 81 #endif 82 #ifndef rounddown 83 #define rounddown(x, y) (((x) / (y)) * (y)) 84 #endif 85 86 /* 87 * external names 88 */ 89 90 #define METATAB "/etc/lvm/md.tab" 91 #define METACONF "/etc/lvm/md.cf" 92 #define METACONFTMP "/etc/lvm/md.cf.new" 93 #define META_DBCONF "/etc/lvm/mddb.cf" 94 #define META_DBCONFTMP "/etc/lvm/mddb.cf.new" 95 #define META_MNSET_NODELIST "/var/run/nodelist" 96 #define METALOG "/etc/lvm/md.log" 97 #define METALOCK "/etc/lvm/lock" 98 #define METADEVPATH "/etc/lvm/devpath" 99 #define METALOGENV "MD_LOG" 100 #define METAPKGROOT "/usr" 101 #define ADMSPECIAL "/dev/md/admin" 102 103 #define MDB_STR "metadevice state database" 104 #define META_LONGDISKNAME_STR "<long disk name>" 105 106 /* default database size (4MB) */ 107 #define MD_DBSIZE (8192) 108 109 /* default Multinode database size (16MB) */ 110 #define MD_MN_DBSIZE (32768) 111 112 /* disk label size */ 113 #define VTOC_SIZE (16) 114 115 /* maximum ctd name size (in # of digits) for printing out */ 116 #define CTD_FORMAT_LEN 6 117 118 /* Recommend timeout in seconds for RPC client creation. */ 119 #define MD_CLNT_CREATE_TOUT (60) 120 121 /* 122 * If event needs to be checked during wait of MD_CLNT_CREATE_TOUT, 123 * spin checking for event and then waiting for MD_CLNT_CREATE_SUBTIMEOUT 124 * seconds until MD_CLNT_CREATE_TOUT seconds are used. 125 */ 126 #define MD_CLNT_CREATE_SUBTIMEOUT (5) 127 128 /* 129 * metaclust verbosity levels and what they are for. Messages upto MC_LOG2 130 * will also be logged in syslog. 131 */ 132 #define MC_LOG0 0 /* special class. log messages regardless of */ 133 /* debug level */ 134 #define MC_LOG1 1 /* log standard error messages */ 135 #define MC_LOG2 2 /* log metaclust step level timing messages */ 136 #define MC_LOG3 3 /* log per set level timing messages */ 137 /* intended for use in loops walking mn sets */ 138 #define MC_LOG4 4 /* log per device level timing messages */ 139 /* intended for use in loops walking devices */ 140 #define MC_LOG5 5 /* typically for use in deep nested loops */ 141 /* or in libmeta routines */ 142 143 /* 144 * for meta_print* options 145 */ 146 typedef uint_t mdprtopts_t; 147 #define PRINT_SHORT 0x00000001 148 #define PRINT_SUBDEVS 0x00000002 149 #define PRINT_HEADER 0x00000004 150 #define PRINT_DEBUG 0x00000008 151 #define PRINT_TIMES 0x00000010 152 #define PRINT_SETSTAT 0x00000020 153 #define PRINT_SETSTAT_ONLY 0x00000040 154 #define PRINT_FAST 0x00000080 155 #define PRINT_DEVID 0x00000100 156 #define PRINT_LARGEDEVICES 0x00000200 157 #define PRINT_FN 0x00000400 158 159 /* 160 * for meta_devadm options 161 */ 162 typedef uint_t mddevopts_t; 163 #define DEV_VERBOSE 0x00000001 164 #define DEV_NOACTION 0x00000002 165 #define DEV_LOG 0x00000004 166 #define DEV_RELOAD 0x00000008 167 #define DEV_UPDATE 0x00000010 168 #define DEV_LOCAL_SET 0x00000020 /* update only MD_LOCAL_SET */ 169 170 /* 171 * return values for meta_devadm operations 172 */ 173 #define METADEVADM_SUCCESS 0 174 #define METADEVADM_ERR 1 175 #define METADEVADM_DEVIDINVALID 2 176 #define METADEVADM_DSKNAME_ERR 3 177 #define METADEVADM_DISKMOVE 4 178 179 /* 180 * return values for the splitname function 181 */ 182 #define METASPLIT_SUCCESS 0 183 #define METASPLIT_LONGPREFIX 1 184 #define METASPLIT_LONGDISKNAME 2 185 186 /* 187 * meta_check* options 188 */ 189 typedef uint_t mdchkopts_t; 190 #define MDCHK_ALLOW_MDDB 0x01 /* allows repliica in md's (metainit) */ 191 #define MDCHK_ALLOW_HS 0x02 /* allows hs in multiple hsp's (hs) */ 192 #define MDCHK_ALLOW_LOG 0x04 /* allows sharing of logs (trans) */ 193 #define MDCHK_ALLOW_REPSLICE 0x08 /* allow replica slice to be used */ 194 #define MDCHK_ALLOW_NODBS 0x10 /* no db replicas allowed (metadb) */ 195 #define MDCHK_DRVINSET 0x20 /* drive is in set (metaset) */ 196 #define MDCHK_SET_LOCKED 0x40 /* The set is locked */ 197 #define MDCHK_SET_FORCE 0x80 /* This is a forced operation */ 198 199 /* 200 * meta_check_inuse options 201 */ 202 typedef uint_t mdinuseopts_t; 203 #define MDCHK_SWAP 0x01 /* check swap & overlap w/swap */ 204 #define MDCHK_DUMP 0x02 /* check dump & overlap w/dump */ 205 #define MDCHK_MOUNTED 0x04 /* check mounted & overlap w/mounted */ 206 #define MDCHK_INUSE 0xff /* check all */ 207 208 /* 209 * meta* force options 210 */ 211 typedef uint_t mdforceopts_t; 212 #define MDFORCE_NONE 0x01 /* no extra force used */ 213 #define MDFORCE_LOCAL 0x02 /* force from metadb command line */ 214 #define MDFORCE_DS 0x04 /* force from metaset library */ 215 #define MDFORCE_SET_LOCKED 0x10 /* The set is locked */ 216 217 218 /* 219 * meta* options 220 */ 221 typedef uint_t mdcmdopts_t; 222 #define MDCMD_DOIT 0x0001 /* really do operation */ 223 #define MDCMD_FORCE 0x0002 /* force operation */ 224 #define MDCMD_PRINT 0x0004 /* print success messages to stdout */ 225 #define MDCMD_RECURSE 0x0008 /* recursive operation */ 226 #define MDCMD_INIT 0x0010 /* init operation */ 227 #define MDCMD_UPDATE 0x0020 /* update sizes used w/o DOIT mostly */ 228 #define MDCMD_NOLOCK 0x0040 /* lock already held, DONT acquire */ 229 #define MDCMD_VERBOSE 0x0100 /* be verbose */ 230 #define MDCMD_USE_WHOLE_DISK 0x0200 /* repartition disk */ 231 #define MDCMD_DIRECT 0x0400 /* extents specified directly */ 232 #define MDCMD_ALLOPTION 0x0800 /* the all option is being used */ 233 #define MDCMD_MN_OPEN_CHECK 0x1000 /* Perform open check on all nodes */ 234 235 /* 236 * meta_tab* definitions 237 */ 238 #define TAB_ARG_ALLOC 5 239 #define TAB_LINE_ALLOC 10 240 241 typedef uint_t mdinittypes_t; 242 #define TAB_UNKNOWN 0x0000 243 #define TAB_MDDB 0x0001 244 #define TAB_HSP 0x0002 245 #define TAB_STRIPE 0x0004 246 #define TAB_MIRROR 0x0008 247 #define TAB_RAID 0x0010 248 #define TAB_TRANS 0x0020 249 #define TAB_SP 0x0040 250 #define TAB_MD (TAB_STRIPE | TAB_MIRROR | TAB_RAID |\ 251 TAB_TRANS | TAB_SP) 252 #define TAB_MD_HSP (TAB_MD | TAB_HSP) 253 254 typedef struct { 255 mdinittypes_t type; 256 char *context; 257 char *cname; 258 int argc; 259 char **argv; 260 size_t alloc; 261 uint_t flags; /* for application use */ 262 } md_tab_line_t; 263 264 typedef struct { 265 char *filename; 266 char *data; 267 size_t total; 268 size_t nlines; 269 md_tab_line_t *lines; 270 size_t alloc; 271 } md_tab_t; 272 273 /* 274 * disk status definitions 275 */ 276 typedef struct md_disk_status_list { 277 struct md_disk_status_list *next; 278 mddrivename_t *drivenamep; 279 md_error_t status; 280 } md_disk_status_list_t; 281 282 /* 283 * module name list used by meta_patch_root & meta_systemfile 284 */ 285 struct modname { 286 char *name; 287 struct modname *next; 288 }; 289 290 /* 291 * list to be used for printing Device Relocation Information 292 */ 293 typedef struct mddevid_t { 294 struct mddevid_t *next; 295 char *ctdname; 296 mdkey_t key; 297 } mddevid_t; 298 299 /* 300 * Multi-Node Diskset List 301 * 302 * we either store the IP address of the private interconnect or its name 303 * in the msl_node_addr member 304 */ 305 typedef struct mndiskset_membershiplist { 306 uint_t msl_node_id; 307 md_mnnode_nm_t msl_node_name; 308 md_mnnode_nm_t msl_node_addr; 309 struct mndiskset_membershiplist *next; 310 } mndiskset_membershiplist_t; 311 312 /* 313 * client pool for rpc calls to mdcommd 314 */ 315 typedef struct md_mn_client_list { 316 CLIENT *mcl_clnt; 317 struct md_mn_client_list *mcl_next; 318 } md_mn_client_list_t; 319 320 /* 321 * Resync thread manipulation commands. 322 * 323 * The resync thread can now be started, blocked, unblocked or killed. 324 * This typedef specifies the action to be taken by meta_resync.c 325 * routines. 326 */ 327 typedef enum { 328 MD_RESYNC_START = 1, 329 MD_RESYNC_BLOCK, 330 MD_RESYNC_UNBLOCK, 331 MD_RESYNC_KILL, 332 MD_RESYNC_KILL_NO_WAIT, 333 MD_RESYNC_FORCE_MNSTART 334 } md_resync_cmd_t; 335 336 337 /* 338 * rpc.metad macro definitions. 339 */ 340 #define METAD_SETUP_DR(cmd, id) \ 341 { \ 342 req.ur_cmd = cmd; \ 343 req.ur_setno = MD_LOCAL_SET; \ 344 req.ur_type = MDDB_USER; \ 345 req.ur_type2 = MDDB_UR_DR; \ 346 req.ur_recid = id; \ 347 } 348 349 #define METAD_SETUP_NR(cmd, id) \ 350 { \ 351 req.ur_cmd = cmd; \ 352 req.ur_setno = MD_LOCAL_SET; \ 353 req.ur_type = MDDB_USER; \ 354 req.ur_type2 = MDDB_UR_NR; \ 355 req.ur_recid = id; \ 356 } 357 358 #define METAD_SETUP_SR(cmd, id) \ 359 { \ 360 req.ur_cmd = cmd; \ 361 req.ur_setno = MD_LOCAL_SET; \ 362 req.ur_type = MDDB_USER; \ 363 req.ur_type2 = MDDB_UR_SR; \ 364 req.ur_recid = id; \ 365 } 366 367 #define METAD_SETUP_UR(cmd, type2, id) \ 368 { \ 369 req.ur_cmd = cmd; \ 370 req.ur_setno = MD_LOCAL_SET; \ 371 req.ur_type = MDDB_USER; \ 372 req.ur_type2 = type2; \ 373 req.ur_recid = id; \ 374 } 375 376 #define METAD_SETUP_LR(cmd, setno, id) \ 377 { \ 378 req.ur_cmd = cmd; \ 379 req.ur_setno = setno; \ 380 req.ur_type = MDDB_USER; \ 381 req.ur_type2 = MDDB_UR_LR; \ 382 req.ur_recid = id; \ 383 } 384 385 /* 386 * This typedef specifies the signature of a function that 387 * meta_client_create_retry can use to establish an rpc connection. 388 * private is used to pass data from the caller of meta_client_create_retry 389 * to clnt_create_func. 390 */ 391 typedef CLIENT *(*clnt_create_func_t)(char *hostname, 392 void *private, 393 struct timeval *time_out); 394 395 /* definition of the table for the different message types */ 396 typedef struct md_mn_msg_tbl_entry { 397 md_mn_msgclass_t mte_class; 398 void (*mte_handler) 399 (md_mn_msg_t *msg, uint_t flags, md_mn_result_t *res); 400 int (*mte_smgen) 401 (md_mn_msg_t *msg, md_mn_msg_t **msglist); 402 time_t mte_timeout; /* seconds before msg times out */ 403 uint_t mte_retry1; /* nretries in case of class busy */ 404 uint_t mte_ticks1; /* sleep nticks before retry */ 405 uint_t mte_retry2; /* nretries in case of comm fail */ 406 uint_t mte_ticks2; /* sleep nticks before retry */ 407 } md_mn_msg_tbl_entry_t; 408 409 /* 410 * Flags for the take command 411 */ 412 #define TAKE_FORCE 0x0001 413 #define TAKE_USETAG 0x0002 414 #define TAKE_USEIT 0x0004 415 #define TAKE_IMP 0x0008 416 #define TAKE_RETAKE 0x0010 417 418 /* 419 * ignore gettext for lint so we check printf args 420 */ 421 #ifdef __lint 422 #define dgettext(d, s) s 423 #define gettext(s) s 424 #endif 425 426 /* 427 * Defines for enabling/disabling SVM services in SMF. 428 */ 429 #define META_SMF_CORE 0x01 430 #define META_SMF_DISKSET 0x02 431 #define META_SMF_MN_DISKSET 0x04 432 #define META_SMF_ALL 0xFF 433 434 /* 435 * Defines to send/not_send addition of mddb sidenames to 436 * rpc.mdcommd for MN disksets. 437 */ 438 #define DB_ADDSIDENMS_NO_BCAST 0 439 #define DB_ADDSIDENMS_BCAST 1 440 441 /* 442 * Defines and structures to support rpc.mdcommd. 443 * RPC routines in rpc.metad will be used to suspend, resume 444 * and reinitialize the rpc.mdcommd running on that node. 445 * These actions are needed when the nodelist is changing. 446 */ 447 #define COMMDCTL_SUSPEND 1 448 #define COMMDCTL_RESUME 2 449 #define COMMDCTL_REINIT 3 450 451 /* 452 * Defines used when joining a node to a MN diskset. 453 * A MN diskset is stale if < 50% mddbs are available when the first node 454 * joins the set. A MN diskset is stale when 50% mddbs are available when 455 * the first node joins the set if the mediator is unable to provide an 456 * extra vote. 457 * Once a MN set is marked stale, it stays in the stale state (even if > 50% 458 * mddbs are available) until all nodes are withdrawn from the diskset. 459 * Any new nodes joining a stale MN diskset are marked stale regardless of 460 * the availability of mddbs in order to keep the diskset consistent across 461 * all nodes. 462 * 463 * If a reconfig cycle is underway, set the reconfig flag so that rpc.metad 464 * clnt_locks are not enforced. Since the reconfig cycle has locked out the 465 * meta* commands, this is safe to do. 466 */ 467 #define MNSET_IS_STALE 1 /* Is MN set stale? */ 468 #define MNSET_IN_RECONFIG 2 /* Is MN set in reconfig? */ 469 470 /* 471 * Structure used during reconfig step2 to aid in sychronization 472 * of the drives in a diskset. 473 */ 474 typedef struct md_mnsr_node { 475 md_mnset_record *mmn_mnsr; 476 md_mnnode_nm_t mmn_nodename; 477 int mmn_numdrives; 478 md_drive_desc *mmn_dd; 479 struct md_mnsr_node *mmn_next; 480 } md_mnsr_node_t; 481 482 483 /* 484 * meta events definitions ("meta_notify.h") 485 */ 486 487 /* 488 * event flags 489 * meta_notify_createq(), (EXISTERR, PERMANENT) 490 * meta_notify_getev(), (WAIT) 491 * meta_notify_getevlist() (WAIT) 492 */ 493 #define EVFLG_WAIT 0x00000001 /* block until events are pending */ 494 #define EVFLG_EXISTERR 0x00000002 /* if q exists, return an error */ 495 #define EVFLG_PERMANENT 0x00000004 /* queue persists after process exit */ 496 497 /* 498 * events are always associated with an underlying object 499 * This object is of one of the following types. 500 */ 501 typedef enum md_ev_objtype_t { 502 EVO_EMPTY = 0, 503 EVO_METADEV, 504 EVO_MIRROR, 505 EVO_STRIPE, 506 EVO_RAID5, 507 EVO_TRANS, 508 EVO_REPLICA, 509 EVO_HSP, 510 EVO_HS, 511 EVO_SET, 512 EVO_DRIVE, 513 EVO_HOST, 514 EVO_MEDIATOR, 515 EVO_UNSPECIFIED, 516 EVO_LAST 517 } ev_obj_t; 518 519 /* 520 * Specific events are sent upon state changes 521 * in the underlying devices or when sent by 522 * user applications. These events have a unique 523 * type. These types map to kernel event types (sys/md_notify.h) 524 * 525 * When updating these UPDATE THE TABLE in lib/config/config.c 526 */ 527 typedef enum md_ev_id_t { 528 EV_UNK = 0, 529 EV_EMPTY, 530 EV_CREATE, 531 EV_DELETE, 532 EV_ADD, 533 EV_REMOVE, 534 EV_REPLACE, 535 EV_GROW, 536 EV_RENAME_SRC, 537 EV_RENAME_DST, 538 EV_MEDIATOR_ADD, 539 EV_MEDIATOR_DELETE, 540 EV_HOST_ADD, 541 EV_HOST_DELETE, 542 EV_DRIVE_ADD, 543 EV_DRIVE_DELETE, 544 EV_INIT_START, 545 EV_INIT_FAILED, 546 EV_INIT_FATAL, 547 EV_INIT_SUCCESS, 548 EV_IOERR, 549 EV_ERRED, 550 EV_LASTERRED, 551 EV_OK, 552 EV_ENABLE, 553 EV_RESYNC_START, 554 EV_RESYNC_FAILED, 555 EV_RESYNC_SUCCESS, 556 EV_RESYNC_DONE, 557 EV_HOTSPARED, 558 EV_HS_FREED, 559 EV_HS_CHANGED, 560 EV_TAKEOVER, 561 EV_RELEASE, 562 EV_OPEN_FAIL, 563 EV_OFFLINE, 564 EV_ONLINE, 565 EV_GROW_PENDING, 566 EV_DETACH, 567 EV_DETACHING, 568 EV_ATTACH, 569 EV_ATTACHING, 570 EV_CHANGE, 571 EV_EXCHANGE, 572 EV_REGEN_START, 573 EV_REGEN_DONE, 574 EV_REGEN_FAILED, 575 EV_USER, 576 EV_NOTIFY_LOST, 577 EV_LAST 578 } evid_t; 579 580 #define EV_ALLOBJS (~0ULL) 581 #define EV_ALLSETS ((set_t)(~0)) 582 583 #if !defined(_KERNEL) 584 585 #define NOTIFY_MD(tag, set, dev, ev) \ 586 (void) meta_notify_sendev((tag), (set), (dev), (ev)) 587 588 #define SE_NOTIFY(se_class, se_subclass, tag, set, dev) \ 589 meta_svm_sysevent((se_class), (se_subclass), (tag), (set), (dev)) 590 591 #endif /* _KERNEL */ 592 593 typedef struct md_ev { 594 ev_obj_t obj_type; 595 set_t setno; 596 evid_t ev; 597 u_longlong_t obj; /* usually md_dev64_t or hsp id */ 598 u_longlong_t uev; /* for (EV_USER) user-defined events */ 599 } md_ev_t; 600 601 typedef struct md_evlist { 602 struct md_evlist *next; 603 md_ev_t *evp; 604 } md_evlist_t; 605 606 /* end of meta event definitions ("meta_notify.h") */ 607 608 typedef struct md_im_names { 609 int min_count; 610 char **min_names; 611 } md_im_names_t; 612 613 /* Values for replica info status */ 614 #define MD_IM_REPLICA_SCANNED (0x01) 615 #define MD_IM_REPLICA_VALID (0x02) 616 617 typedef struct md_im_replica_info { 618 struct md_im_replica_info *mir_next; 619 int mir_status; 620 int mir_flags; 621 daddr32_t mir_offset; 622 daddr32_t mir_length; 623 md_timeval32_t mir_timestamp; 624 } md_im_replica_info_t; 625 626 typedef struct md_im_drive_info { 627 struct md_im_drive_info *mid_next; /* next drive in this set */ 628 mddrivename_t *mid_dnp; 629 void *mid_devid; 630 void *mid_o_devid; 631 int mid_devid_sz; 632 int mid_o_devid_sz; 633 char mid_minor_name[MDDB_MINOR_NAME_MAX]; 634 minor_t mid_mnum; 635 int mid_available; 636 md_timeval32_t mid_setcreatetimestamp; 637 char *mid_driver_name; 638 char *mid_devname; 639 md_im_replica_info_t *mid_replicas; 640 int overlapped_disk; 641 struct md_im_drive_info *overlap; /* chain of overlap disks */ 642 } md_im_drive_info_t; 643 644 /* Values for mid_available */ 645 #define MD_IM_DISK_AVAILABLE 0x00 646 #define MD_IM_DISK_NOT_AVAILABLE 0x01 647 648 /* Values for set descriptor flags */ 649 #define MD_IM_SET_INVALID 0x10 650 #define MD_IM_SET_REPLICATED 0x20 651 652 /* Values for mis_partial */ 653 #define MD_IM_COMPLETE_DISKSET 0x04 654 #define MD_IM_PARTIAL_DISKSET 0x08 655 656 typedef struct md_im_set_desc { 657 struct md_im_set_desc *mis_next; 658 int mis_flags; 659 int mis_oldsetno; 660 md_im_drive_info_t *mis_drives; 661 int mis_active_replicas; 662 int mis_partial; 663 } md_im_set_desc_t; 664 665 /* meta_admin.c */ 666 extern int open_admin(md_error_t *ep); 667 extern int close_admin(md_error_t *ep); 668 extern int meta_dev_ismeta(md_dev64_t dev); 669 extern int meta_get_nunits(md_error_t *ep); 670 extern md_dev64_t metamakedev(minor_t mnum); 671 672 /* meta_attach.c */ 673 extern int meta_concat_generic(mdsetname_t *sp, mdname_t *namep, 674 u_longlong_t big_or_little, md_error_t *ep); 675 extern int meta_concat_parent(mdsetname_t *sp, mdname_t *childnp, 676 md_error_t *ep); 677 678 /* meta_check.c */ 679 extern int meta_check_inuse(mdsetname_t *sp, mdname_t *np, 680 mdinuseopts_t inuse_flag, md_error_t *ep); 681 extern int meta_check_driveinset(mdsetname_t *sp, 682 mddrivename_t *dnp, md_error_t *ep); 683 extern int meta_check_drivemounted(mdsetname_t *sp, 684 mddrivename_t *dnp, md_error_t *ep); 685 extern int meta_check_driveswapped(mdsetname_t *sp, 686 mddrivename_t *dnp, md_error_t *ep); 687 extern int meta_check_samedrive(mdname_t *np1, mdname_t *np2, 688 md_error_t *ep); 689 extern int meta_check_overlap(char *uname, mdname_t *np1, 690 diskaddr_t slblk1, diskaddr_t nblks1, mdname_t *np2, 691 diskaddr_t slblk2, diskaddr_t nblks2, 692 md_error_t *ep); 693 extern int meta_check_inmeta(mdsetname_t *sp, mdname_t *np, 694 mdchkopts_t options, diskaddr_t slblk, 695 diskaddr_t nblks, 696 md_error_t *ep); 697 extern int meta_check_inset(mdsetname_t *sp, mdname_t *np, 698 md_error_t *ep); 699 extern int meta_check_root(md_error_t *ep); 700 701 702 /* meta_db.c */ 703 extern char *meta_devid_encode_str(ddi_devid_t devid, 704 char *minor_name); 705 extern void meta_devid_encode_str_free(char *devidstr); 706 extern int meta_devid_decode_str(char *devidstr, 707 ddi_devid_t *devidp, char **minor_namep); 708 extern int meta_check_inreplica(mdsetname_t *sp, mdname_t *np, 709 diskaddr_t slblk, diskaddr_t nblks, md_error_t *ep); 710 extern int meta_check_replica(mdsetname_t *sp, mdname_t *np, 711 mdchkopts_t options, diskaddr_t slblk, 712 diskaddr_t nblks, md_error_t *ep); 713 extern int meta_db_addsidenms(mdsetname_t *sp, mdname_t *np, 714 daddr_t blkno, int bcast, md_error_t *ep); 715 extern int meta_db_delsidenm(mdsetname_t *sp, side_t sideno, 716 mdname_t *np, daddr_t blkno, md_error_t *ep); 717 extern int meta_db_patch(char *sname, char *cname, int patch, 718 md_error_t *ep); 719 extern int meta_db_attach(mdsetname_t *sp, mdnamelist_t *db_nlp, 720 mdchkopts_t options, md_timeval32_t *timeval, 721 int dbcnt, int dbsize, char *sysfilename, 722 md_error_t *ep); 723 extern int meta_db_detach(mdsetname_t *sp, mdnamelist_t *db_nlp, 724 mdforceopts_t force, char *sysfilename, 725 md_error_t *ep); 726 extern void metafreereplicalist(md_replicalist_t *rlp); 727 extern int metareplicalist(mdsetname_t *sp, int flags, 728 md_replicalist_t **rlpp, md_error_t *ep); 729 extern void meta_sync_db_locations(mdsetname_t *sp, 730 md_error_t *ep); 731 extern int meta_setup_db_locations(md_error_t *ep); 732 extern daddr_t meta_db_minreplica(mdsetname_t *sp, md_error_t *ep); 733 extern int meta_get_replica_names(mdsetname_t *, 734 mdnamelist_t **, int options, md_error_t *); 735 extern void meta_mkdummymaster(mdsetname_t *sp, int fd, 736 daddr_t firstblk); 737 extern md_timeval32_t meta_get_lb_inittime(mdsetname_t *sp, md_error_t *ep); 738 739 /* meta_db_balance.c */ 740 extern int meta_db_balance(mdsetname_t *sp, md_drive_desc *opdd, 741 md_drive_desc *curdd, daddr_t dbsize, 742 md_error_t *ep); 743 744 /* metadevstamp.c */ 745 extern int getdevstamp(mddrivename_t *dnp, time_t *stamp, 746 md_error_t *ep); 747 extern int setdevstamp(mddrivename_t *dnp, time_t *stamp, 748 md_error_t *ep); 749 750 /* meta_error.c */ 751 extern int metaioctl(int cmd, void *data, md_error_t *ep, 752 char *name); 753 extern void md_logpfx(FILE *fp); 754 /* PRINTFLIKE2 */ 755 extern char *mde_sperror(md_error_t *mdep, const char *fmt, ...); 756 /* PRINTFLIKE2 */ 757 extern void mde_perror(md_error_t *mdep, const char *fmt, ...); 758 /* PRINTFLIKE1 */ 759 extern void md_perror(const char *fmt, ...); 760 /* PRINTFLIKE1 */ 761 extern void md_eprintf(const char *fmt, ...); 762 extern void meta_mc_log(int level, const char *fmt, ...); 763 764 /* meta_getdevs.c */ 765 extern minor_t meta_getminor(md_dev64_t dev64); 766 extern major_t meta_getmajor(md_dev64_t dev64); 767 extern md_dev64_t meta_expldev(md_dev64_t dev); 768 extern dev32_t meta_cmpldev(md_dev64_t dev64); 769 770 extern int meta_getdevs(mdsetname_t *sp, mdname_t *namep, 771 mdnamelist_t **nlpp, md_error_t *ep); 772 extern int meta_getalldevs(mdsetname_t *sp, mdnamelist_t **nlpp, 773 int check_db, md_error_t *ep); 774 extern int meta_getvtoc(int fd, char *devname, 775 struct vtoc *vtocbufp, int *partno, 776 md_error_t *ep); 777 extern int meta_setvtoc(int fd, char *devname, 778 struct vtoc *vtocbufp, md_error_t *ep); 779 extern int meta_setmdvtoc(int fd, char *devname, 780 mdvtoc_t *mdvtocbufp, md_error_t *ep); 781 extern int meta_get_names(char *drivername, mdsetname_t *sp, 782 mdnamelist_t **nlpp, mdprtopts_t options, 783 md_error_t *ep); 784 extern int meta_deviceid_to_nmlist(char *search_path, 785 ddi_devid_t devid, char *minor_name, 786 devid_nmlist_t **retlist); 787 788 /* meta_hotspares.c */ 789 extern int meta_get_hsp_names(mdsetname_t *sp, 790 mdhspnamelist_t **hspnlpp, int options, 791 md_error_t *ep); 792 extern void meta_free_hsp(md_hsp_t *hspp); 793 extern void meta_invalidate_hsp(mdhspname_t *hspnp); 794 extern md_hsp_t *meta_get_hsp(mdsetname_t *sp, mdhspname_t *hspnp, 795 md_error_t *ep); 796 extern md_hsp_t *meta_get_hsp_common(mdsetname_t *sp, 797 mdhspname_t *hspnp, int fast, md_error_t *ep); 798 extern int meta_check_inhsp(mdsetname_t *sp, mdname_t *np, 799 diskaddr_t slblk, diskaddr_t nblks, md_error_t *ep); 800 extern int meta_check_hotspare(mdsetname_t *sp, mdname_t *np, 801 md_error_t *ep); 802 extern char *hs_state_to_name(md_hs_t *hsp, 803 md_timeval32_t *tvp); 804 extern int meta_hsp_print(mdsetname_t *sp, mdhspname_t *hspnp, 805 mdnamelist_t **nlpp, char *fname, FILE *fp, 806 mdprtopts_t options, md_error_t *ep); 807 extern int metachkhsp(mdsetname_t *sp, mdhspname_t *hspnp, 808 md_error_t *ep); 809 extern int meta_hs_add(mdsetname_t *sp, mdhspname_t *hspnp, 810 mdnamelist_t *nlp, mdcmdopts_t options, 811 md_error_t *ep); 812 extern int meta_hs_delete(mdsetname_t *sp, mdhspname_t *hspnp, 813 mdnamelist_t *nlp, mdcmdopts_t options, 814 md_error_t *ep); 815 extern int meta_hs_replace(mdsetname_t *sp, mdhspname_t *hspnp, 816 mdname_t *oldnp, mdname_t *newnp, 817 mdcmdopts_t options, md_error_t *ep); 818 extern int meta_hs_enable(mdsetname_t *sp, mdnamelist_t *nlp, 819 mdcmdopts_t options, md_error_t *ep); 820 extern int meta_check_hsp(mdsetname_t *sp, md_hsp_t *hspp, 821 mdcmdopts_t options, md_error_t *ep); 822 extern int meta_create_hsp(mdsetname_t *sp, md_hsp_t *hspp, 823 mdcmdopts_t options, md_error_t *ep); 824 extern int meta_init_hsp(mdsetname_t **spp, 825 int argc, char *argv[], mdcmdopts_t options, 826 md_error_t *ep); 827 extern int meta_hsp_reset(mdsetname_t *sp, mdhspname_t *hspnp, 828 mdcmdopts_t options, md_error_t *ep); 829 830 /* meta_init.c */ 831 extern int parse_interlace(char *uname, char *name, 832 diskaddr_t *interlacep, md_error_t *ep); 833 extern int meta_cook_syntax(md_error_t *ep, 834 md_void_errno_t errcode, char *uname, 835 int argc, char *argv[]); 836 extern int meta_setup_geom(md_unit_t *md, mdname_t *np, 837 mdgeom_t *geomp, uint_t write_reinstruct, 838 uint_t read_reinstruct, uint_t round_cyl, 839 md_error_t *ep); 840 extern int meta_adjust_geom(md_unit_t *md, mdname_t *np, 841 uint_t write_reinstruct, uint_t read_reinstruct, 842 uint_t round_cyl, md_error_t *ep); 843 extern int meta_init_name(mdsetname_t **spp, int argc, 844 char *argv[], char *cname, mdcmdopts_t options, 845 md_error_t *ep); 846 extern int meta_check_devicesize(diskaddr_t total_blocks); 847 extern int meta_init_make_device(mdsetname_t **spp, char *uname, 848 md_error_t *ep); 849 extern mdinittypes_t meta_get_init_type(int argc, char *argv[]); 850 851 /* meta_mdcf.c */ 852 extern int meta_update_md_cf(mdsetname_t *sp, md_error_t *ep); 853 854 /* meta_med.c */ 855 extern int meddstealerror(md_error_t *ep, med_err_t *medep); 856 extern int clnt_med_null(char *hostname, md_error_t *ep); 857 extern int clnt_med_upd_data(md_h_t *mdhp, mdsetname_t *sp, 858 med_data_t *meddp, md_error_t *ep); 859 extern int clnt_med_get_data(md_h_t *mdhp, mdsetname_t *sp, 860 med_data_t *meddp, md_error_t *ep); 861 extern int clnt_med_get_rec(md_h_t *mdhp, mdsetname_t *sp, 862 med_rec_t *medrp, md_error_t *ep); 863 extern int clnt_med_upd_rec(