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The NAND Flash environment consists of several distinct components: - NAND framework (drivers harness for NAND controllers and NAND chips) - NAND simulator (NANDsim) - NAND file system (NAND FS) - Companion tools and utilities - Documentation (manual pages) This work is still experimental. Please use with caution. Obtained from: Semihalf Supported by: FreeBSD Foundation, Juniper Networks
113 lines
2.9 KiB
C
113 lines
2.9 KiB
C
/*-
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* Copyright (c) 2012 The FreeBSD Foundation
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* All rights reserved.
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*
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* This software was developed by Semihalf under sponsorship
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* from the FreeBSD Foundation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sysexits.h>
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#include <time.h>
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#include <fs/nandfs/nandfs_fs.h>
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#include <libnandfs.h>
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#include "nandfs.h"
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#define NCPINFO 512
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static void
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lssnap_usage(void)
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{
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fprintf(stderr, "usage:\n");
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fprintf(stderr, "\tlssnap node\n");
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}
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static void
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print_cpinfo(struct nandfs_cpinfo *cpinfo)
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{
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struct tm tm;
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time_t t;
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char timebuf[128];
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t = (time_t)cpinfo->nci_create;
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localtime_r(&t, &tm);
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strftime(timebuf, sizeof(timebuf), "%F %T", &tm);
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printf("%20llu %s\n", (unsigned long long)cpinfo->nci_cno, timebuf);
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}
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int
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nandfs_lssnap(int argc, char **argv)
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{
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struct nandfs_cpinfo *cpinfos;
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struct nandfs fs;
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uint64_t next;
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int error, nsnap, i;
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if (argc != 1) {
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lssnap_usage();
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return (EX_USAGE);
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}
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cpinfos = malloc(sizeof(*cpinfos) * NCPINFO);
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if (cpinfos == NULL) {
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fprintf(stderr, "cannot allocate memory\n");
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return (-1);
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}
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nandfs_init(&fs, argv[0]);
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error = nandfs_open(&fs);
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if (error == -1) {
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fprintf(stderr, "nandfs_open: %s\n", nandfs_errmsg(&fs));
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goto out;
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}
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for (next = 1; next != 0; next = cpinfos[nsnap - 1].nci_next) {
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nsnap = nandfs_get_snap(&fs, next, cpinfos, NCPINFO);
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if (nsnap < 1)
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break;
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for (i = 0; i < nsnap; i++)
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print_cpinfo(&cpinfos[i]);
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}
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if (nsnap == -1)
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fprintf(stderr, "nandfs_get_snap: %s\n", nandfs_errmsg(&fs));
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out:
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nandfs_close(&fs);
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nandfs_destroy(&fs);
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free(cpinfos);
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return (error);
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}
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