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Diffstat (limited to 'usr/src/cmd/avs/sv/svboot.c')
-rw-r--r--usr/src/cmd/avs/sv/svboot.c533
1 files changed, 0 insertions, 533 deletions
diff --git a/usr/src/cmd/avs/sv/svboot.c b/usr/src/cmd/avs/sv/svboot.c
deleted file mode 100644
index ccee741c1f..0000000000
--- a/usr/src/cmd/avs/sv/svboot.c
+++ /dev/null
@@ -1,533 +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 <sys/param.h>
-#include <fcntl.h>
-#include <stdarg.h>
-#include <stdlib.h>
-#include <strings.h>
-#include <errno.h>
-#include <stdio.h>
-#include <locale.h>
-#include <unistd.h>
-#include <libgen.h>
-#include <nsctl.h>
-
-#include <sys/unistat/spcs_s.h>
-#include <sys/unistat/spcs_s_u.h>
-#include <sys/unistat/spcs_errors.h>
-
-#include <sys/nsctl/sv.h>
-#include <sys/nsctl/sv_impl.h>
-
-#include <sys/nsctl/cfg.h>
-
-
-static int sv_max_devices;
-
-
-/*
- * Pathnames.
- */
-
-static const caddr_t sv_rpath = SV_DEVICE;
-
-/*
- * Functions.
- */
-
-static void resume_dev(int, sv_name_t *);
-static void suspend_dev(int, const caddr_t);
-static int read_libcfg(sv_name_t svn[]);
-static void resume_sv();
-static void suspend_sv();
-static void prepare_unload_sv();
-
-
-/*
- * support for the special cluster tag "local" to be used with -C in a
- * cluster for local volumes.
- */
-
-#define SV_LOCAL_TAG "local"
-
-static caddr_t program;
-static caddr_t cfg_cluster_tag;
-
-
-static void
-usage(void)
-{
- (void) fprintf(stderr, gettext("usage:\n"));
-
- (void) fprintf(stderr, gettext(
- "\t%s -h help\n"), program);
-
- (void) fprintf(stderr, gettext(
- "\t%s [-C tag] -r resume all sv devices\n"), program);
-
- (void) fprintf(stderr, gettext(
- "\t%s [-C tag] -s suspend all sv devices\n"), program);
-
- (void) fprintf(stderr, gettext(
- "\t%s -u prepare for sv unload\n"), program);
-}
-
-
-static void
-message(caddr_t prefix, spcs_s_info_t *status, caddr_t string, va_list ap)
-{
- (void) fprintf(stderr, "%s: %s: ", program, prefix);
- (void) vfprintf(stderr, string, ap);
- (void) fprintf(stderr, "\n");
-
- if (status) {
- spcs_s_report(*status, stderr);
- spcs_s_ufree(status);
- }
-}
-
-
-static void
-error(spcs_s_info_t *status, caddr_t string, ...)
-{
- va_list ap;
- va_start(ap, string);
-
- message(gettext("error"), status, string, ap);
-
- va_end(ap);
- exit(1);
-}
-
-
-static void
-warn(spcs_s_info_t *status, caddr_t string, ...)
-{
- va_list ap;
- va_start(ap, string);
-
- message(gettext("warning"), status, string, ap);
-
- va_end(ap);
-}
-
-
-static void
-sv_get_maxdevs(void)
-{
- sv_name_t svn[1];
- sv_list_t svl;
- int fd;
-
- if (sv_max_devices > 0)
- return;
-
- fd = open(sv_rpath, O_RDONLY);
- if (fd < 0)
- error(NULL, gettext("unable to open %s: %s"),
- sv_rpath, strerror(errno));
-
- bzero(&svl, sizeof (svl));
- bzero(&svn[0], sizeof (svn));
-
- svl.svl_names = &svn[0];
- svl.svl_error = spcs_s_ucreate();
-
- if (ioctl(fd, SVIOC_LIST, &svl) < 0)
- error(&svl.svl_error, gettext("unable to get max devs"));
-
- spcs_s_ufree(&svl.svl_error);
- sv_max_devices = svl.svl_maxdevs;
-
- (void) close(fd);
-}
-
-
-static sv_name_t *
-sv_alloc_svnames(void)
-{
- sv_name_t *svn = NULL;
-
- sv_get_maxdevs();
-
- svn = calloc(sv_max_devices, sizeof (*svn));
- if (svn == NULL) {
- error(NULL, "unable to allocate %ld bytes of memory",
- sv_max_devices * sizeof (*svn));
- }
-
- return (svn);
-}
-
-int
-main(int argc, char *argv[])
-{
- extern int optind;
- extern char *optarg;
- int Cflag, resume, suspend, unload;
- int opt;
-
- (void) setlocale(LC_ALL, "");
- (void) textdomain("svboot");
-
- program = strdup(basename(argv[0]));
-
- Cflag = unload = resume = suspend = 0;
-
- while ((opt = getopt(argc, argv, "C:hrsu")) != EOF) {
- switch (opt) {
-
- case 'C':
- if (Cflag) {
- warn(NULL,
- gettext("-C specified multiple times"));
- usage();
- exit(2);
- /* NOTREACHED */
- }
-
- Cflag++;
- cfg_cluster_tag = optarg;
- break;
-
- case 'r':
- resume++;
- break;
-
- case 's':
- suspend++;
- break;
-
- case 'u':
- unload++;
- break;
-
- case 'h':
- usage();
- exit(0);
-
- case '?': /* FALLTHRU */
-
- default:
- usage();
- exit(2);
- /* NOTREACHED */
- }
- }
-
-
- /*
- * Usage checks
- */
-
- if ((resume + suspend + unload) > 1) {
- warn(NULL, gettext("-r , -s and -u are mutually exclusive"));
- usage();
- exit(2);
- }
-
- if (!resume && !suspend && !unload) {
- warn(NULL, gettext("option required"));
- usage();
- exit(2);
- }
-
- if (optind != argc) {
- usage();
- exit(2);
- }
-
-
- /*
- * Check for the special (local) cluster tag
- */
-
- if (cfg_cluster_tag != NULL &&
- strcmp(cfg_cluster_tag, SV_LOCAL_TAG) == 0)
- cfg_cluster_tag = "-";
-
- /*
- * Process commands
- */
-
- if (resume)
- resume_sv();
- else if (suspend)
- suspend_sv();
- else if (unload)
- prepare_unload_sv();
-
- return (0);
-}
-
-
-static void
-resume_sv()
-{
- int index;
- sv_name_t *svn;
- int cnt;
- int fd;
-
- svn = sv_alloc_svnames();
-
- index = read_libcfg(svn);
-
- fd = open(sv_rpath, O_RDONLY);
- if (fd < 0) {
- warn(NULL, gettext("unable to open %s: %s"),
- svn->svn_path, strerror(errno));
- return;
- }
-
- for (cnt = 0; cnt < index; cnt++) {
-
- /*
- * Check for more data.
- */
- if (svn[cnt].svn_path[0] == '\0') {
- /*
- * This was set when reading sv.conf. After the last
- * line svn_path was set to \0, so we are finished.
- * We shouldn't get here, but put this in just in
- * case.
- */
- break;
- }
- resume_dev(fd, &svn[cnt]);
- }
- (void) close(fd);
-}
-
-
-static void
-resume_dev(int fd, sv_name_t *svn)
-{
- struct stat stb;
- sv_conf_t svc;
-
- bzero(&svc, sizeof (svc));
-
- if (stat(svn->svn_path, &stb) != 0) {
- warn(NULL, gettext("unable to access %s: %s"),
- svn->svn_path, strerror(errno));
- return;
- }
-
- svc.svc_major = major(stb.st_rdev);
- svc.svc_minor = minor(stb.st_rdev);
- (void) strncpy(svc.svc_path, svn->svn_path, sizeof (svc.svc_path));
-
- svc.svc_flag = svn->svn_mode;
- svc.svc_error = spcs_s_ucreate();
-
- if (ioctl(fd, SVIOC_ENABLE, &svc) < 0) {
- spcs_log("sv", &svc.svc_error,
- gettext("%s: unable to resume %s"),
- program, svn->svn_path);
-
- warn(&svc.svc_error, gettext("unable to resume %s"),
- svn->svn_path);
- return;
- }
-
- spcs_log("sv", NULL, gettext("%s: resume %s"),
- program, svn->svn_path);
-
- spcs_s_ufree(&svc.svc_error);
-}
-
-
-/*
- * This routine parses the config file and
- * stores the data in the svn array. The return value is the number
- * of entries read from conf_file. If an error occurs the error()
- * routine is called (which exits the program).
- */
-static int
-read_libcfg(sv_name_t svn[])
-{
- char rdev[CFG_MAX_BUF];
- char key[CFG_MAX_KEY];
- struct stat stb;
- int i;
- int setnumber;
- int index = 0; /* Current location in svn array */
- sv_name_t *cur_svn; /* Pointer to svn[index] */
- CFGFILE *cfg;
-
- if ((cfg = cfg_open("")) == NULL) {
- error(NULL, gettext("Error opening config: %s"),
- strerror(errno));
- }
-
- cfg_resource(cfg, cfg_cluster_tag);
- if (!cfg_lock(cfg, CFG_RDLOCK)) {
- error(NULL, gettext("Error locking config: %s"),
- strerror(errno));
- }
-
- for (i = 0; /*CSTYLED*/; i++) {
- setnumber = i + 1;
-
- bzero(rdev, CFG_MAX_BUF);
- (void) snprintf(key, sizeof (key), "sv.set%d.vol", setnumber);
- if (cfg_get_cstring(cfg, key, rdev, sizeof (rdev)) < 0)
- break;
-
- /* Check to see if the raw device is present */
- if (stat(rdev, &stb) != 0) {
- warn(NULL, gettext("unable to access %s: %s"),
- rdev, strerror(errno));
- continue;
- }
-
- if (!S_ISCHR(stb.st_mode)) {
- warn(NULL, gettext("%s is not a character device"),
- rdev);
- continue;
- }
-
- cur_svn = &svn[index]; /* For easier reading below */
-
- if (strlen(rdev) >= sizeof (cur_svn->svn_path)) {
- warn(NULL, gettext(
- "raw device name (%s) longer than %d characters"),
- rdev,
- (sizeof (cur_svn->svn_path) - 1));
- continue;
- }
-
- (void) strcpy(cur_svn->svn_path, rdev);
- cur_svn->svn_mode = (NSC_DEVICE | NSC_CACHE);
-
- index++;
- }
-
- cfg_close(cfg);
-
- /* Set the last path to NULL */
- svn[index].svn_path[0] = '\0';
-
- return (index);
-}
-
-
-static void
-suspend_dev(int fd, const caddr_t path)
-{
- struct stat stb;
- sv_conf_t svc;
-
- if (stat(path, &stb) < 0) {
- svc.svc_major = (major_t)-1;
- svc.svc_minor = (minor_t)-1;
- } else {
- svc.svc_major = major(stb.st_rdev);
- svc.svc_minor = minor(stb.st_rdev);
- }
-
- (void) strcpy(svc.svc_path, path);
- svc.svc_error = spcs_s_ucreate();
-
- if (ioctl(fd, SVIOC_DISABLE, &svc) < 0) {
- if (errno != SV_EDISABLED) {
- spcs_log("sv", &svc.svc_error,
- gettext("%s: unable to suspend %s"),
- program, path);
-
- warn(&svc.svc_error,
- gettext("unable to suspend %s"), path);
- return;
- }
- }
-
- spcs_log("sv", NULL, gettext("%s: suspend %s"), program, path);
-
- spcs_s_ufree(&svc.svc_error);
-}
-
-
-static void
-suspend_sv(void)
-{
- sv_name_t *svn, *svn_system; /* Devices in system */
- sv_list_t svl_system;
- int i;
- int fd;
-
- svn_system = sv_alloc_svnames();
-
- svl_system.svl_count = read_libcfg(svn_system);
-
- if ((fd = open(sv_rpath, O_RDONLY)) < 0) {
- warn(NULL, gettext("unable to open %s: %s"),
- sv_rpath, strerror(errno));
- return;
- }
-
- for (i = 0; i < svl_system.svl_count; i++) {
- if (*svn_system[i].svn_path == '\0')
- break;
-
- svn = &svn_system[i];
- suspend_dev(fd, svn->svn_path);
- }
-
- (void) close(fd);
-}
-
-
-/*
- * Check kernel's sv_ndevices and thread sets,
- * if empty then change kernel state to allow unload,
- * and sleep SV_WAIT_UNLAOD (10 seconds).
- *
- * Only called in pkgrm time.
- */
-static void
-prepare_unload_sv(void)
-{
- int fd;
- int rc = 0;
-
- if ((fd = open(sv_rpath, O_RDONLY)) < 0) {
- warn(NULL, gettext("unable to open %s: %s"),
- sv_rpath, strerror(errno));
- return;
- }
-
- if (ioctl(fd, SVIOC_UNLOAD, &rc) < 0)
- error(NULL, gettext("unable to unload"));
-
- if (rc != 0)
- error(NULL, gettext("still has active devices or threads"));
-
- (void) close(fd);
-}
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