bsd-family-tree: Small sync with FreeBSD.
[dragonfly.git] / sbin / hammer2 / cmd_pfs.c
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1/*
2 * Copyright (c) 2011-2012 The DragonFly Project. All rights reserved.
3 *
4 * This code is derived from software contributed to The DragonFly Project
5 * by Matthew Dillon <dillon@dragonflybsd.org>
6 * by Venkatesh Srinivas <vsrinivas@dragonflybsd.org>
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
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
17 * distribution.
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.
21 *
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
33 * SUCH DAMAGE.
34 */
35
36#include "hammer2.h"
37
38int
b92bfd39 39cmd_pfs_list(int ac, const char **av)
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40{
41 hammer2_ioc_pfs_t pfs;
42 int ecode = 0;
43 int count = 0;
44 int fd;
b92bfd39 45 int i;
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46 uint32_t status;
47 char *pfs_id_str = NULL;
48
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49 for (i = 0; i < ac; ++i) {
50 if ((fd = hammer2_ioctl_handle(av[i])) < 0)
51 return(1);
52 bzero(&pfs, sizeof(pfs));
ae183399 53
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54 while ((pfs.name_key = pfs.name_next) != (hammer2_key_t)-1) {
55 if (ioctl(fd, HAMMER2IOC_PFS_GET, &pfs) < 0) {
56 perror("ioctl");
57 ecode = 1;
58 break;
59 }
60 if (count == 0) {
61 printf("Type "
62 "ClusterId (pfs_clid) "
63 "Label\n");
64 }
65 switch(pfs.pfs_type) {
66 case HAMMER2_PFSTYPE_NONE:
67 printf("NONE ");
68 break;
69 case HAMMER2_PFSTYPE_CACHE:
70 printf("CACHE ");
71 break;
72 case HAMMER2_PFSTYPE_SLAVE:
73 printf("SLAVE ");
74 break;
75 case HAMMER2_PFSTYPE_SOFT_SLAVE:
76 printf("SOFT_SLAVE ");
23c7c7dd 77 break;
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78 case HAMMER2_PFSTYPE_SOFT_MASTER:
79 printf("SOFT_MASTER ");
23c7c7dd 80 break;
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81 case HAMMER2_PFSTYPE_MASTER:
82 switch (pfs.pfs_subtype) {
83 case HAMMER2_PFSSUBTYPE_NONE:
84 printf("MASTER ");
85 break;
86 case HAMMER2_PFSSUBTYPE_SNAPSHOT:
87 printf("SNAPSHOT ");
88 break;
89 case HAMMER2_PFSSUBTYPE_AUTOSNAP:
90 printf("AUTOSNAP ");
91 break;
92 default:
93 printf("MASTER(sub?)");
94 break;
95 }
b93cc2e0 96 break;
23c7c7dd 97 default:
b92bfd39 98 printf("%02x ", pfs.pfs_type);
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99 break;
100 }
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101 uuid_to_string(&pfs.pfs_clid, &pfs_id_str, &status);
102 printf("%s ", pfs_id_str);
103 free(pfs_id_str);
104 pfs_id_str = NULL;
105 printf("%s\n", pfs.name);
106 ++count;
ae183399 107 }
b92bfd39 108 close(fd);
ae183399 109 }
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110
111 return (ecode);
112}
113
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114int
115cmd_pfs_getid(const char *sel_path, const char *name, int privateid)
116{
117 hammer2_ioc_pfs_t pfs;
118 int ecode = 0;
119 int fd;
120 uint32_t status;
121 char *pfs_id_str = NULL;
122
123 if ((fd = hammer2_ioctl_handle(sel_path)) < 0)
124 return(1);
125 bzero(&pfs, sizeof(pfs));
126
127 snprintf(pfs.name, sizeof(pfs.name), "%s", name);
128 if (ioctl(fd, HAMMER2IOC_PFS_LOOKUP, &pfs) < 0) {
129 perror("ioctl");
130 ecode = 1;
131 } else {
132 if (privateid)
133 uuid_to_string(&pfs.pfs_fsid, &pfs_id_str, &status);
134 else
135 uuid_to_string(&pfs.pfs_clid, &pfs_id_str, &status);
136 printf("%s\n", pfs_id_str);
137 free(pfs_id_str);
138 pfs_id_str = NULL;
139 }
140 close(fd);
141 return (ecode);
142}
143
144
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145int
146cmd_pfs_create(const char *sel_path, const char *name,
147 uint8_t pfs_type, const char *uuid_str)
148{
149 hammer2_ioc_pfs_t pfs;
150 int ecode = 0;
151 int fd;
152 uint32_t status;
153
004f88b4 154 /*
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155 * Default to MASTER if no uuid was specified.
156 * Default to SLAVE if a uuid was specified.
157 *
158 * When adding masters to a cluster, the new PFS must be added as
159 * a slave and then upgraded to ensure proper synchronization.
004f88b4 160 */
7750fd72 161 if (pfs_type == HAMMER2_PFSTYPE_NONE) {
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162 if (uuid_str)
163 pfs_type = HAMMER2_PFSTYPE_SLAVE;
164 else
165 pfs_type = HAMMER2_PFSTYPE_MASTER;
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166 }
167
168 if ((fd = hammer2_ioctl_handle(sel_path)) < 0)
169 return(1);
170 bzero(&pfs, sizeof(pfs));
171 snprintf(pfs.name, sizeof(pfs.name), "%s", name);
172 pfs.pfs_type = pfs_type;
173 if (uuid_str) {
8c280d5d 174 uuid_from_string(uuid_str, &pfs.pfs_clid, &status);
ae183399 175 } else {
8c280d5d 176 uuid_create(&pfs.pfs_clid, &status);
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177 }
178 if (status == uuid_s_ok)
179 uuid_create(&pfs.pfs_fsid, &status);
180 if (status == uuid_s_ok) {
181 if (ioctl(fd, HAMMER2IOC_PFS_CREATE, &pfs) < 0) {
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182 if (errno == EEXIST) {
183 fprintf(stderr,
184 "NOTE: Typically the same name is "
185 "used for cluster elements on "
186 "different mounts,\n"
187 " but cluster elements on the "
188 "same mount require unique names.\n"
189 "pfs-create %s: already present\n",
190 name);
191 } else {
192 perror("ioctl");
193 }
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194 ecode = 1;
195 }
196 } else {
197 fprintf(stderr, "hammer2: pfs_create: badly formed uuid\n");
198 ecode = 1;
199 }
200 close(fd);
201 return (ecode);
202}
203
204int
205cmd_pfs_delete(const char *sel_path, const char *name)
206{
207 hammer2_ioc_pfs_t pfs;
208 int ecode = 0;
209 int fd;
210
211 if ((fd = hammer2_ioctl_handle(sel_path)) < 0)
212 return(1);
213 bzero(&pfs, sizeof(pfs));
214 snprintf(pfs.name, sizeof(pfs.name), "%s", name);
215
87b1094e 216 if (ioctl(fd, HAMMER2IOC_PFS_DELETE, &pfs) < 0) {
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217 fprintf(stderr, "hammer2: pfs_delete(%s): %s\n",
218 name, strerror(errno));
219 ecode = 1;
220 }
221 close(fd);
222
223 return (ecode);
224}