2 * Copyright (c) 2009 The DragonFly Project. All rights reserved.
4 * This code is derived from software contributed to The DragonFly Project
5 * by Matthew Dillon <dillon@backplane.com> and
6 * Michael Neumann <mneumann@ntecs.de>
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in
16 * the documentation and/or other materials provided with the
18 * 3. Neither the name of The DragonFly Project nor the names of its
19 * contributors may be used to endorse or promote products derived
20 * from this software without specific, prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
25 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
26 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
27 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
28 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
29 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
30 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
31 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
32 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39 * - volume-add: Add new volume to HAMMER filesystem
40 * - volume-del: Remove volume from HAMMER filesystem
41 * - volume-list: List volumes making up a HAMMER filesystem
42 * - volume-blkdevs: List volumes making up a HAMMER filesystem
49 * volume-add <device> <filesystem>
52 hammer_cmd_volume_add(char **av, int ac)
54 struct hammer_ioc_volume ioc;
55 struct volume_info *vol;
59 fprintf(stderr, "hammer volume-add <device> <filesystem>\n");
64 char *filesystem = av[1];
66 fd = open(filesystem, O_RDONLY);
68 fprintf(stderr, "hammer volume-add: unable to access %s: %s\n",
69 filesystem, strerror(errno));
74 * Initialize and check the device
76 vol = setup_volume(-1, device, 1, O_RDONLY);
77 assert(vol->vol_no == -1);
79 if (strcmp(vol->type, "DEVICE")) {
80 fprintf(stderr, "Not a block device: %s\n", device);
88 bzero(&ioc, sizeof(ioc));
89 strncpy(ioc.device_name, device, MAXPATHLEN);
90 ioc.vol_size = vol->size;
91 ioc.boot_area_size = init_boot_area_size(0, ioc.vol_size);
92 ioc.mem_area_size = init_mem_area_size(0, ioc.vol_size);
94 if (ioctl(fd, HAMMERIOC_ADD_VOLUME, &ioc) < 0) {
95 fprintf(stderr, "hammer volume-add ioctl: %s\n",
104 * volume-del <device> <filesystem>
107 hammer_cmd_volume_del(char **av, int ac)
109 struct hammer_ioc_volume ioc;
113 fprintf(stderr, "hammer volume-del <device> <filesystem>\n");
118 char *device = av[0];
119 char *filesystem = av[1];
121 fd = open(filesystem, O_RDONLY);
123 fprintf(stderr, "hammer volume-del: unable to access %s: %s\n",
124 filesystem, strerror(errno));
131 bzero(&ioc, sizeof(ioc));
132 strncpy(ioc.device_name, device, MAXPATHLEN);
134 if (ioctl(fd, HAMMERIOC_DEL_VOLUME, &ioc) < 0) {
135 fprintf(stderr, "hammer volume-del ioctl: %s\n",
144 hammer_print_volumes(char **av, int ac, const char *cmd, const char sep)
146 struct hammer_ioc_volume_list ioc;
151 fprintf(stderr, "hammer %s <filesystem>\n", cmd);
155 char *filesystem = av[0];
157 fd = open(filesystem, O_RDONLY);
160 "hammer %s: unable to access %s: %s\n",
161 cmd, filesystem, strerror(errno));
165 bzero(&ioc, sizeof(ioc));
166 ioc.vols = malloc(HAMMER_MAX_VOLUMES *
167 sizeof(struct hammer_ioc_volume));
168 if (ioc.vols == NULL) {
170 "hammer %s: unable to allocate memory: %s\n",
171 cmd, strerror(errno));
174 ioc.nvols = HAMMER_MAX_VOLUMES;
176 if (ioctl(fd, HAMMERIOC_LIST_VOLUMES, &ioc) < 0) {
177 fprintf(stderr, "hammer %s ioctl: %s\n",
178 cmd, strerror(errno));
183 for (i = 0; i < ioc.nvols; i++) {
184 printf("%s", ioc.vols[i].device_name);
185 if (i != ioc.nvols - 1)
195 * volume-list <filesystem>
198 hammer_cmd_volume_list(char **av, int ac, const char *cmd)
200 hammer_print_volumes(av, ac, cmd, '\n');
204 * volume-blkdevs <filesystem>
207 hammer_cmd_volume_blkdevs(char **av, int ac, const char *cmd)
209 hammer_print_volumes(av, ac, cmd, ':');