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