108 lines
2.7 KiB
C
108 lines
2.7 KiB
C
/*-
|
|
* Copyright (c) 2018 M. Warner Losh <imp@freebd.org>
|
|
*
|
|
* 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 AUTHOR 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 AUTHOR 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("$FreeBSD$");
|
|
|
|
/*
|
|
* MD bootstrap main() and assorted miscellaneous
|
|
* commands.
|
|
*/
|
|
|
|
#include <stand.h>
|
|
#include <stddef.h>
|
|
#include <sys/disk.h>
|
|
#include <sys/reboot.h>
|
|
|
|
#include "bootstrap.h"
|
|
|
|
#ifdef LOADER_ZFS_SUPPORT
|
|
#include "../zfs/libzfs.h"
|
|
#endif
|
|
|
|
COMMAND_SET(lszfs, "lszfs", "list child datasets of a zfs dataset",
|
|
command_lszfs);
|
|
|
|
static int
|
|
command_lszfs(int argc, char *argv[])
|
|
{
|
|
int err;
|
|
|
|
if (argc != 2) {
|
|
command_errmsg = "a single dataset must be supplied";
|
|
return (CMD_ERROR);
|
|
}
|
|
|
|
err = zfs_list(argv[1]);
|
|
if (err != 0) {
|
|
command_errmsg = strerror(err);
|
|
return (CMD_ERROR);
|
|
}
|
|
return (CMD_OK);
|
|
}
|
|
|
|
COMMAND_SET(reloadbe, "reloadbe", "refresh the list of ZFS Boot Environments",
|
|
command_reloadbe);
|
|
|
|
static int
|
|
command_reloadbe(int argc, char *argv[])
|
|
{
|
|
int err;
|
|
char *root;
|
|
|
|
if (argc > 2) {
|
|
command_errmsg = "wrong number of arguments";
|
|
return (CMD_ERROR);
|
|
}
|
|
|
|
if (argc == 2) {
|
|
err = zfs_bootenv(argv[1]);
|
|
} else {
|
|
root = getenv("zfs_be_root");
|
|
if (root == NULL) {
|
|
/* There does not appear to be a ZFS pool here, exit without error */
|
|
return (CMD_OK);
|
|
}
|
|
err = zfs_bootenv(root);
|
|
}
|
|
|
|
if (err != 0) {
|
|
command_errmsg = strerror(err);
|
|
return (CMD_ERROR);
|
|
}
|
|
|
|
return (CMD_OK);
|
|
}
|
|
|
|
uint64_t
|
|
ldi_get_size(void *priv)
|
|
{
|
|
int fd = (uintptr_t) priv;
|
|
uint64_t size;
|
|
|
|
ioctl(fd, DIOCGMEDIASIZE, &size);
|
|
return (size);
|
|
}
|