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/*-
* Copyright (c) 2010 The FreeBSD Foundation
* All rights reserved.
*
* This software was developed by Pawel Jakub Dawidek under sponsorship from
* the FreeBSD Foundation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include <sys/disk.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <assert.h>
#include <errno.h>
#include <fcntl.h>
#include <pjdlog.h>
#include "hast.h"
#include "subr.h"
int
provinfo(struct hast_resource *res, bool dowrite)
{
struct stat sb;
assert(res->hr_localpath != NULL && res->hr_localpath[0] != '\0');
if (res->hr_localfd == -1) {
res->hr_localfd = open(res->hr_localpath,
dowrite ? O_RDWR : O_RDONLY);
if (res->hr_localfd < 0) {
KEEP_ERRNO(pjdlog_errno(LOG_ERR, "Unable to open %s",
res->hr_localpath));
return (-1);
}
}
if (fstat(res->hr_localfd, &sb) < 0) {
KEEP_ERRNO(pjdlog_errno(LOG_ERR, "Unable to stat %s",
res->hr_localpath));
return (-1);
}
if (S_ISCHR(sb.st_mode)) {
/*
* If this is character device, it is most likely GEOM provider.
*/
if (ioctl(res->hr_localfd, DIOCGMEDIASIZE,
&res->hr_local_mediasize) < 0) {
KEEP_ERRNO(pjdlog_errno(LOG_ERR,
"Unable obtain provider %s mediasize",
res->hr_localpath));
return (-1);
}
if (ioctl(res->hr_localfd, DIOCGSECTORSIZE,
&res->hr_local_sectorsize) < 0) {
KEEP_ERRNO(pjdlog_errno(LOG_ERR,
"Unable obtain provider %s sectorsize",
res->hr_localpath));
return (-1);
}
} else if (S_ISREG(sb.st_mode)) {
/*
* We also support regular files for which we hardcode
* sector size of 512 bytes.
*/
res->hr_local_mediasize = sb.st_size;
res->hr_local_sectorsize = 512;
} else {
/*
* We support no other file types.
*/
pjdlog_error("%s is neither GEOM provider nor regular file.",
res->hr_localpath);
errno = EFTYPE;
return (-1);
}
return (0);
}
const char *
role2str(int role)
{
switch (role) {
case HAST_ROLE_INIT:
return ("init");
case HAST_ROLE_PRIMARY:
return ("primary");
case HAST_ROLE_SECONDARY:
return ("secondary");
}
return ("unknown");
}
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