1 /* 2 * Copyright (c) 2018 Warner Losh <imp@freebd.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 29 #include <stand.h> 30 #include <stddef.h> 31 #include <sys/disk.h> 32 #include <sys/reboot.h> 33 34 #include "bootstrap.h" 35 36 #include "libzfs.h" 37 38 COMMAND_SET(lszfs, "lszfs", "list child datasets of a zfs dataset", 39 command_lszfs); 40 41 static int 42 command_lszfs(int argc, char *argv[]) 43 { 44 int err; 45 46 if (argc != 2) { 47 command_errmsg = "a single dataset must be supplied"; 48 return (CMD_ERROR); 49 } 50 51 err = zfs_list(argv[1]); 52 if (err != 0) { 53 command_errmsg = strerror(err); 54 return (CMD_ERROR); 55 } 56 return (CMD_OK); 57 } 58 59 uint64_t 60 ldi_get_size(void *priv) 61 { 62 int fd = (uintptr_t) priv; 63 uint64_t size; 64 65 ioctl(fd, DIOCGMEDIASIZE, &size); 66 return (size); 67 } 68