diff options
Diffstat (limited to 'usr/src/lib/librdc/common/rdcpersist.c')
| -rw-r--r-- | usr/src/lib/librdc/common/rdcpersist.c | 716 |
1 files changed, 0 insertions, 716 deletions
diff --git a/usr/src/lib/librdc/common/rdcpersist.c b/usr/src/lib/librdc/common/rdcpersist.c deleted file mode 100644 index 703c8eef11..0000000000 --- a/usr/src/lib/librdc/common/rdcpersist.c +++ /dev/null @@ -1,716 +0,0 @@ -/* - * CDDL HEADER START - * - * The contents of this file are subject to the terms of the - * Common Development and Distribution License (the "License"). - * You may not use this file except in compliance with the License. - * - * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE - * or http://www.opensolaris.org/os/licensing. - * See the License for the specific language governing permissions - * and limitations under the License. - * - * When distributing Covered Code, include this CDDL HEADER in each - * file and include the License file at usr/src/OPENSOLARIS.LICENSE. - * If applicable, add the following below this CDDL HEADER, with the - * fields enclosed by brackets "[]" replaced with your own identifying - * information: Portions Copyright [yyyy] [name of copyright owner] - * - * CDDL HEADER END - */ -/* - * Copyright 2008 Sun Microsystems, Inc. All rights reserved. - * Use is subject to license terms. - */ - -#include <sys/types.h> -#include <sys/stat.h> -#include <sys/mkdev.h> -#include <fcntl.h> -#include <unistd.h> -#include <stropts.h> -#include <stdio.h> -#include <errno.h> -#include <libintl.h> -#include <locale.h> -#include <stdlib.h> - -#include <sys/nsctl/rdcerr.h> -#include <sys/nsctl/rdc_ioctl.h> -#include <sys/nsctl/librdc.h> -#include <sys/nsctl/cfg.h> -#include <sys/nsctl/nsc_hash.h> -#include <sys/nsctl/sv.h> - -#include <sys/unistat/spcs_dtrinkets.h> -#include <sys/unistat/spcs_etrinkets.h> -#include <sys/unistat/spcs_s.h> -#include <sys/unistat/spcs_s_u.h> -#include <sys/unistat/spcs_s_impl.h> -#include <sys/unistat/spcs_errors.h> - -typedef struct volcount_s { - int count; -} volcount_t; - -hash_node_t **volhash = NULL; - -char * -config2buf(char *buf, rdcconfig_t *rdc) -{ - snprintf(buf, CFG_MAX_BUF, "%s %s %s %s %s %s %s %s %s %s %s", - rdc->phost, rdc->pfile, rdc->pbmp, rdc->shost, rdc->sfile, - rdc->sbmp, rdc->direct, rdc->mode, rdc->group ? rdc->group : "", - rdc->ctag ? rdc->ctag : "", rdc->options ? rdc->options : ""); - return (buf); - -} - -/* - * SV type functions. - */ - -static void -load_rdc_vols(CFGFILE *cfg) -{ - int set; - char key[ CFG_MAX_KEY ]; - char buf[ CFG_MAX_BUF ]; - char *vol, *bmp, *host1, *host2; - volcount_t *volcount; - - if (volhash) { - return; - } - - cfg_rewind(cfg, CFG_SEC_CONF); - volhash = nsc_create_hash(); - for (set = 1; /*CSTYLED*/; set++) { - snprintf(key, CFG_MAX_KEY, "sndr.set%d", set); - if (cfg_get_cstring(cfg, key, buf, CFG_MAX_BUF)) { - break; - } - - host1 = strtok(buf, " "); - vol = strtok(NULL, " "); - bmp = strtok(NULL, " "); - - if (!self_check(host1)) { - /* next one had better be ours */ - host2 = strtok(NULL, " "); - vol = strtok(NULL, " "); - bmp = strtok(NULL, " "); - - if (!self_check(host2)) { - continue; - } - } - - /* primary vol may be used more than once */ - volcount = (volcount_t *)nsc_lookup(volhash, vol); - if (volcount) { - volcount->count++; - } else { - volcount = (volcount_t *)malloc(sizeof (volcount_t)); - volcount->count = 1; - nsc_insert_node(volhash, volcount, vol); - } - - /* bitmap ought to be only used once */ - volcount = (volcount_t *)nsc_lookup(volhash, bmp); - if (volcount) { - /* argh */ - volcount->count++; - } else { - volcount = (volcount_t *)malloc(sizeof (volcount_t)); - volcount->count = 1; - nsc_insert_node(volhash, volcount, bmp); - } - } -} - -int -sv_enable_one_nocfg(char *vol) -{ - struct stat sb; - sv_conf_t svc; - int fd; - - bzero(&svc, sizeof (svc)); - if (stat(vol, &sb) != 0) { - rdc_set_error(NULL, RDC_OS, 0, "unable to stat %s", vol); - return (-1); - } - if (!S_ISCHR(sb.st_mode)) { - rdc_set_error(NULL, RDC_INTERNAL, RDC_NONFATAL, "%s is not" - " a character device", vol); - return (-1); - } - - svc.svc_major = major(sb.st_rdev); - svc.svc_minor = minor(sb.st_rdev); - strncpy(svc.svc_path, vol, sizeof (svc.svc_path)); - - fd = open(SV_DEVICE, O_RDONLY); - if (fd < 0) { - rdc_set_error(NULL, RDC_OS, 0, 0); - return (-1); - } - - svc.svc_flag = (NSC_DEVICE | NSC_CACHE); - svc.svc_error = spcs_s_ucreate(); - - if (ioctl(fd, SVIOC_ENABLE, &svc) < 0) { - if (errno != SV_EENABLED) { - rdc_set_error(&svc.svc_error, RDC_INTERNAL, - RDC_NONFATAL, 0); - return (-1); - } - } - - spcs_log("sv", NULL, gettext("enabled %s"), svc.svc_path); - - close(fd); - return (1); -} - -int -sv_enable_nocfg(rdcconfig_t *rdc) -{ - struct stat stbv; - struct stat stbb; - sv_conf_t svcv; - sv_conf_t svcb; - char vol[NSC_MAXPATH]; - char bmp[NSC_MAXPATH]; - int fd = -1; - - - if (self_check(rdc->phost)) { - strncpy(vol, rdc->pfile, NSC_MAXPATH); - strncpy(bmp, rdc->pbmp, NSC_MAXPATH); - } else { - strncpy(vol, rdc->sfile, NSC_MAXPATH); - strncpy(bmp, rdc->sbmp, NSC_MAXPATH); - } - - bzero(&svcv, sizeof (svcv)); - bzero(&svcb, sizeof (svcb)); - - if ((stat(vol, &stbv) != 0) || (stat(bmp, &stbb) != 0)) - return (-1); - - if ((!S_ISCHR(stbv.st_mode)) || (!S_ISCHR(stbb.st_mode))) - return (-1); - - svcv.svc_major = major(stbv.st_rdev); - svcb.svc_minor = minor(stbb.st_rdev); - - strncpy(svcv.svc_path, vol, sizeof (svcv.svc_path)); - strncpy(svcb.svc_path, bmp, sizeof (svcb.svc_path)); - - fd = open(SV_DEVICE, O_RDONLY); - if (fd < 0) - return (-1); - - /* SV enable the volume */ - svcv.svc_flag = (NSC_DEVICE | NSC_CACHE); - svcv.svc_error = spcs_s_ucreate(); - - if (ioctl(fd, SVIOC_ENABLE, &svcv) < 0) { - if (errno != SV_EENABLED) { - spcs_log("sv", &svcv.svc_error, - gettext("unable to enable %s"), - svcv.svc_path); - spcs_s_ufree(&svcv.svc_error); - return (-1); - } - } - - /* SV enable the bitmap disable the vol on error */ - svcb.svc_flag = (NSC_DEVICE | NSC_CACHE); - svcb.svc_error = spcs_s_ucreate(); - - if (ioctl(fd, SVIOC_ENABLE, &svcb) < 0) { - if (errno != SV_EENABLED) { - spcs_log("sv", &svcb.svc_error, - gettext("unable to enable %s"), - svcb.svc_path); - if (ioctl(fd, SVIOC_DISABLE, &svcv) < 0) - spcs_log("sv", &svcv.svc_error, - gettext("unable to disable %s"), - svcv.svc_path); - - spcs_s_ufree(&svcv.svc_error); - spcs_s_ufree(&svcb.svc_error); - return (-1); - } - } - - - spcs_log("sv", NULL, gettext("enabled %s"), svcv.svc_path); - spcs_log("sv", NULL, gettext("enabled %s"), svcb.svc_path); - spcs_s_ufree(&svcv.svc_error); - spcs_s_ufree(&svcb.svc_error); - - - if (fd >= 0) - (void) close(fd); - - return (1); -} - -int -do_autosv_enable(CFGFILE *cfg, rdcconfig_t *rdc) -{ - char vol[NSC_MAXPATH]; - char bmp[NSC_MAXPATH]; - - cfg_load_svols(cfg); - cfg_load_dsvols(cfg); - cfg_load_shadows(cfg); - load_rdc_vols(cfg); - - if (self_check(rdc->phost)) { - strncpy(vol, rdc->pfile, NSC_MAXPATH); - strncpy(bmp, rdc->pbmp, NSC_MAXPATH); - } else { - strncpy(vol, rdc->sfile, NSC_MAXPATH); - strncpy(bmp, rdc->sbmp, NSC_MAXPATH); - } - if (nsc_lookup(volhash, vol) == NULL) { - if (cfg_vol_enable(cfg, vol, rdc->ctag, "sndr") < 0) { - rdc_set_error(NULL, RDC_INTERNAL, RDC_NONFATAL, - "auto sv enable failed for %s", vol); - return (-1); - } - } - if (nsc_lookup(volhash, bmp) == NULL) { - if (cfg_vol_enable(cfg, bmp, rdc->ctag, "sndr") < 0) { - rdc_set_error(NULL, RDC_INTERNAL, RDC_NONFATAL, - "auto sv enable failed for %s", vol); - return (-1); - } - } - - nsc_remove_all(volhash, free); - volhash = NULL; - - cfg_unload_shadows(); - cfg_unload_dsvols(); - cfg_unload_svols(); - - return (1); -} - -int -do_autosv_disable(CFGFILE *cfg, rdcconfig_t *rdc) -{ - char vol[NSC_MAXPATH]; - char bmp[NSC_MAXPATH]; - volcount_t *vc; - - cfg_load_svols(cfg); - cfg_load_dsvols(cfg); - cfg_load_shadows(cfg); - load_rdc_vols(cfg); - - if (self_check(rdc->phost)) { - strncpy(vol, rdc->pfile, NSC_MAXPATH); - strncpy(bmp, rdc->pbmp, NSC_MAXPATH); - } else { - strncpy(vol, rdc->sfile, NSC_MAXPATH); - strncpy(bmp, rdc->sbmp, NSC_MAXPATH); - } - - vc = nsc_lookup(volhash, vol); - if (vc && (vc->count == 1)) { - if (cfg_vol_disable(cfg, vol, rdc->ctag, "sndr") < 0) - rdc_set_error(NULL, RDC_INTERNAL, RDC_NONFATAL, - "auto sv disable failed for %s", vol); - } else if (!vc) { - rdc_set_error(NULL, RDC_INTERNAL, RDC_NONFATAL, - "Unable to find %s in config", vol); - } - vc = nsc_lookup(volhash, bmp); - if (vc && (vc->count == 1)) { - if (cfg_vol_disable(cfg, bmp, rdc->ctag, "sndr") < 0) - rdc_set_error(NULL, RDC_INTERNAL, RDC_NONFATAL, - "auto sv disable failed for %s", bmp); - - } else if (!vc) { - rdc_set_error(NULL, RDC_INTERNAL, RDC_NONFATAL, - "Unable to find %s in config", bmp); - } - - return (1); - -} - -/* - * do sv enables for the appropriate vol - * and bitmap. If called without persistance - * it will follow a chain and sv enable all - * otherwise, it will enable only the one - * set. - */ -int -sv_enable(CFGFILE *cfg, rdcconfig_t *rdcs) -{ - rdcconfig_t *rdcp = NULL; - - rdcp = rdcs; - if (!rdcp->persist) { - - return (sv_enable_nocfg(rdcp)); - - } else if (cfg == NULL) { - - return (-1); - - } - - do_autosv_enable(cfg, rdcp); - - return (1); -} - -int -sv_disable(CFGFILE *cfg, rdcconfig_t *rdcs) -{ - rdcconfig_t *rdcp; - - rdcp = rdcs; - if (!rdcp->persist) { /* don't disable */ - - return (1); - - } else if (cfg == NULL) { - - return (-1); - - } - - do_autosv_disable(cfg, rdcp); - - return (1); - -} - -/* - * disable the appropriate bitmap in rdc - * and replace it with bitmap - */ -int -sv_reconfig(CFGFILE *cfg, rdcconfig_t *rdc, char *oldbmp, char *newbmp) -{ - rdcconfig_t *rdcp; - int fail = 0; - - rdcp = rdc; - if (!rdcp->persist) { /* just enable, don't disable */ - - sv_enable_one_nocfg(newbmp); - - } else if (rdcp->persist) { /* do sv disable and enable */ - volcount_t *vc; - - cfg_load_svols(cfg); - cfg_load_dsvols(cfg); - cfg_load_shadows(cfg); - load_rdc_vols(cfg); - - vc = (volcount_t *)nsc_lookup(volhash, oldbmp); - if (vc && (vc->count == 1)) { - if (cfg_vol_disable(cfg, oldbmp, rdc->ctag, "sndr") < 0) - rdc_set_error(NULL, RDC_INTERNAL, RDC_NONFATAL, - "auto sv disable failed for %s", oldbmp); - - } - if (nsc_lookup(volhash, newbmp) == NULL) { - if (cfg_vol_enable(cfg, - newbmp, rdc->ctag, "sndr") < 0) { - - rdc_set_error(NULL, RDC_INTERNAL, RDC_NONFATAL, - "auto sv enable failed for %s", newbmp); - fail++; - } - } - nsc_remove_all(volhash, free); - volhash = NULL; - - cfg_unload_shadows(); - cfg_unload_dsvols(); - cfg_unload_svols(); - if (fail) - return (-1); - - } - return (1); - -} - -/* - * SNDR functions - */ - -/* - * add_to_rdc_cfg - * this adds the successfully created rdc sets to libdscfg, - * also, as auto_sv stuff is part of libdscfg, it does the - * auto_sv stuff and enables the correct volumes - */ -int -add_to_rdc_cfg(rdcconfig_t *rdcs) -{ - CFGFILE *cfg; - rdcconfig_t *rdcp; - char *buf; - - - buf = calloc(CFG_MAX_BUF, sizeof (char)); - if (!buf) { - rdc_set_error(NULL, RDC_OS, RDC_FATAL, NULL); - return (NULL); - } - - if ((cfg = cfg_open(NULL)) == NULL) { - rdc_set_error(NULL, RDC_DSCFG, 0, 0); - return (-1); - } - if ((cfg_lock(cfg, CFG_WRLOCK)) < 0) { - rdc_set_error(NULL, RDC_DSCFG, 0, 0); - return (-1); - } - - rdcp = rdcs; - while (rdcp) { - buf = config2buf(buf, rdcp); - if ((sv_enable(cfg, rdcp) < 0) || - (cfg_put_cstring(cfg, "sndr", buf, CFG_MAX_BUF) < 0)) { - rdc_set_error(NULL, RDC_DSCFG, 0, 0); - free(buf); - return (-1); - } - rdcp = rdcp->next; - } - if (!cfg_commit(cfg)) { - rdc_set_error(NULL, RDC_DSCFG, 0, NULL); - return (-1); - } - - cfg_close(cfg); - - return (0); -} - -int -cfg_lookup(CFGFILE *cfg, char *shost, char *sfile) -{ - char buf[CFG_MAX_BUF]; - char key[CFG_MAX_KEY]; - int setnum; - int numsets = 0; - - numsets = cfg_get_num_entries(cfg, "sndr"); - for (setnum = 1; setnum <= numsets; setnum++) { - bzero(key, CFG_MAX_KEY); - snprintf(key, CFG_MAX_KEY, "sndr.set%d.shost", setnum); - if (cfg_get_cstring(cfg, key, buf, CFG_MAX_BUF) < 0) { - rdc_set_error(NULL, RDC_DSCFG, 0, 0); - return (-1); - } - if (strncmp(buf, shost, strlen(shost))) - continue; - - bzero(key, CFG_MAX_KEY); - snprintf(key, CFG_MAX_KEY, "sndr.set%d.secondary", setnum); - if (cfg_get_cstring(cfg, key, buf, CFG_MAX_BUF) < 0) { - rdc_set_error(NULL, RDC_DSCFG, 0, 0); - return (-1); - } - if (strncmp(buf, sfile, strlen(sfile))) - continue; - break; - } - return (setnum); -} - -void -remove_from_rdc_cfg(rdcconfig_t *rdcs) -{ - CFGFILE *cfg; - rdcconfig_t *rdcp; - char key[CFG_MAX_KEY]; - - rdcp = rdcs; - cfg = cfg_open(NULL); - cfg_lock(cfg, CFG_WRLOCK); - - while (rdcp) { - snprintf(key, CFG_MAX_KEY, "sndr.set%d", - cfg_lookup(cfg, rdcp->shost, rdcp->sfile)); - if ((sv_disable(cfg, rdcp) < 0) || - (cfg_put_cstring(cfg, key, NULL, 0)) < 0) { - rdc_set_error(NULL, RDC_DSCFG, 0, 0); - } - - rdcp = rdcp->next; - } - cfg_commit(cfg); - cfg_close(cfg); -} -/*ARGSUSED*/ -int -replace_entry(int offset, char *entry) -{ - return (1); -} - -/* - * this will set the value at "field" in dscfg to the - * value contained in entry. - * for things like bitmap reconfigs, only pass one rdc - * not a chain - */ -int -replace_cfgfield(rdcconfig_t *rdc, char *field, char *entry) -{ - CFGFILE *cfg; - rdcconfig_t *rdcp; - char key[CFG_MAX_KEY]; - char newentry[CFG_MAX_BUF]; - char oldbmp[CFG_MAX_BUF]; - int setnum; - int ispbmp = 0; - int issbmp = 0; - - if (strncmp(field, "pbitmap", NSC_MAXPATH) == 0) - ispbmp++; - if (strncmp(field, "sbitmap", NSC_MAXPATH) == 0) - issbmp++; - - bzero(newentry, sizeof (newentry)); - if (!entry || strlen(entry) == 0) - *newentry = '-'; - else - strncpy(newentry, entry, CFG_MAX_BUF); - - - if ((cfg = cfg_open(NULL)) == NULL) { - rdc_set_error(NULL, RDC_DSCFG, 0, 0); - return (-1); - } - if ((cfg_lock(cfg, CFG_WRLOCK)) < 0) { - rdc_set_error(NULL, RDC_DSCFG, 0, 0); - return (-1); - } - - rdcp = rdc; - while (rdcp) { - if ((setnum = cfg_lookup(cfg, rdcp->shost, rdcp->sfile)) < 0) { - rdc_set_error(NULL, RDC_DSCFG, 0, 0); - return (-1); - } - snprintf(key, CFG_MAX_KEY, "sndr.set%d.%s", setnum, field); - if (!((ispbmp || issbmp) && - (cfg_get_cstring(cfg, key, oldbmp, CFG_MAX_BUF)) == 0)) { - rdc_set_error(NULL, RDC_DSCFG, 0, "unable to get %s", - key); - } - if (((ispbmp && self_check(rdcp->phost)) || - (issbmp && self_check(rdcp->shost))) && - (sv_reconfig(cfg, rdcp, oldbmp, newentry) < 0)) { - rdc_set_error(NULL, RDC_INTERNAL, RDC_NONFATAL, - "unable to sv reconfig %s to %s", oldbmp, newentry); - return (-1); - } - - if ((cfg_put_cstring(cfg, key, newentry, CFG_MAX_BUF)) < 0) { - rdc_set_error(NULL, RDC_DSCFG, 0, 0); - return (-1); - } - rdcp = rdcp->next; - } - cfg_commit(cfg); - cfg_close(cfg); - return (1); -} - -/* - * reverse_in_cfg - * used by RDC_OPT_REVERSE_ROLE - * swaps primary info and secondary info - */ -int -reverse_in_cfg(rdcconfig_t *rdc) -{ - CFGFILE *cfg; - rdcconfig_t *rdcp = NULL; - char key[CFG_MAX_KEY]; - int setnum; - - if ((cfg = cfg_open(NULL)) == NULL) { - rdc_set_error(NULL, RDC_DSCFG, 0, 0); - return (-1); - } - if ((cfg_lock(cfg, CFG_WRLOCK)) < 0) { - rdc_set_error(NULL, RDC_DSCFG, 0, 0); - return (-1); - } - - rdcp = rdc; - while (rdcp) { - if ((setnum = cfg_lookup(cfg, rdcp->shost, rdcp->sfile)) < 0) { - rdc_set_error(NULL, RDC_DSCFG, 0, 0); - goto badconfig; - } - bzero(key, CFG_MAX_KEY); - snprintf(key, CFG_MAX_KEY, "sndr.set%d.phost", setnum); - if ((cfg_put_cstring(cfg, key, rdcp->shost, CFG_MAX_BUF)) < 0) { - rdc_set_error(NULL, RDC_DSCFG, 0, 0); - goto badconfig; - } - bzero(key, CFG_MAX_KEY); - snprintf(key, CFG_MAX_KEY, "sndr.set%d.primary", setnum); - if ((cfg_put_cstring(cfg, key, rdcp->sfile, CFG_MAX_BUF)) < 0) { - rdc_set_error(NULL, RDC_DSCFG, 0, 0); - goto badconfig; - } - bzero(key, CFG_MAX_KEY); - snprintf(key, CFG_MAX_KEY, "sndr.set%d.pbitmap", setnum); - if ((cfg_put_cstring(cfg, key, rdcp->sbmp, CFG_MAX_BUF)) < 0) { - rdc_set_error(NULL, RDC_DSCFG, 0, 0); - goto badconfig; - } - bzero(key, CFG_MAX_KEY); - snprintf(key, CFG_MAX_KEY, "sndr.set%d.shost", setnum); - if ((cfg_put_cstring(cfg, key, rdcp->phost, CFG_MAX_BUF)) < 0) { - rdc_set_error(NULL, RDC_DSCFG, 0, 0); - goto badconfig; - } - bzero(key, CFG_MAX_KEY); - snprintf(key, CFG_MAX_KEY, "sndr.set%d.secondary", setnum); - if ((cfg_put_cstring(cfg, key, rdcp->pfile, CFG_MAX_BUF)) < 0) { - rdc_set_error(NULL, RDC_DSCFG, 0, 0); - goto badconfig; - } - bzero(key, CFG_MAX_KEY); - snprintf(key, CFG_MAX_KEY, "sndr.set%d.sbitmap", setnum); - if ((cfg_put_cstring(cfg, key, rdcp->pbmp, CFG_MAX_BUF)) < 0) { - rdc_set_error(NULL, RDC_DSCFG, 0, 0); - goto badconfig; - } - rdcp = rdcp->next; - } - if (!cfg_commit(cfg)) { - cfg_close(cfg); - return (-1); - } - cfg_close(cfg); - return (0); - -badconfig: - cfg_close(cfg); - return (-1); -} |