2 # Copyright (c) 2006-2009 Marcel Moolenaar
5 # Redistribution and use in source and binary forms, with or without
6 # modification, are permitted provided that the following conditions
9 # 1. Redistributions of source code must retain the above copyright
10 # notice, this list of conditions and the following disclaimer.
11 # 2. Redistributions in binary form must reproduce the above copyright
12 # notice, this list of conditions and the following disclaimer in the
13 # documentation and/or other materials provided with the distribution.
15 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 #include <sys/param.h>
30 #include <sys/malloc.h>
31 #include <sys/mutex.h>
34 #include <machine/bus.h>
35 #include <sys/systm.h>
36 #include <geom/geom.h>
37 #include <geom/part/g_part.h>
39 # The G_PART scheme interface.
43 # Default implementations of methods.
46 default_fullname(struct g_part_table *table,
47 struct g_part_entry *entry, struct sbuf *sb, const char *pfx)
51 sbuf_printf(sb, "%s%s", pfx,
52 G_PART_NAME(table, entry, buf, sizeof(buf)));
56 default_precheck(struct g_part_table *t __unused,
57 enum g_part_ctl r __unused, struct g_part_parms *p __unused)
63 default_resize(struct g_part_table *t __unused,
64 struct g_part_entry *e __unused, struct g_part_parms *p __unused)
70 default_recover(struct g_part_table *t __unused)
76 default_ioctl(struct g_part_table *table __unused, struct g_provider *pp __unused,
77 u_long cmd __unused, void *data __unused, int fflag __unused,
78 struct thread *td __unused)
84 # add() - scheme specific processing for the add verb.
86 struct g_part_table *table;
87 struct g_part_entry *entry;
88 struct g_part_parms *gpp;
91 # bootcode() - scheme specific processing for the bootcode verb.
93 struct g_part_table *table;
94 struct g_part_parms *gpp;
97 # create() - scheme specific processing for the create verb.
99 struct g_part_table *table;
100 struct g_part_parms *gpp;
103 # destroy() - scheme specific processing for the destroy verb.
105 struct g_part_table *table;
106 struct g_part_parms *gpp;
110 METHOD void dumpconf {
111 struct g_part_table *table;
112 struct g_part_entry *entry;
117 # dumpto() - return whether the partiton can be used for kernel dumps.
119 struct g_part_table *table;
120 struct g_part_entry *entry;
123 # fullname() - write the name of the given partition entry to the sbuf.
124 METHOD void fullname {
125 struct g_part_table *table;
126 struct g_part_entry *entry;
129 } DEFAULT default_fullname;
131 # ioctl() - implement historic ioctls, perhaps.
133 struct g_part_table *table;
134 struct g_provider *pp;
139 } DEFAULT default_ioctl;
141 # modify() - scheme specific processing for the modify verb.
143 struct g_part_table *table;
144 struct g_part_entry *entry;
145 struct g_part_parms *gpp;
148 # resize() - scheme specific processing for the resize verb.
150 struct g_part_table *table;
151 struct g_part_entry *entry;
152 struct g_part_parms *gpp;
153 } DEFAULT default_resize;
155 # name() - return the name of the given partition entry.
156 # Typical names are "p1", "s0" or "c".
157 METHOD const char * name {
158 struct g_part_table *table;
159 struct g_part_entry *entry;
164 # precheck() - method to allow schemes to check the parameters given
165 # to the mentioned ctl request. This only applies to the requests that
166 # operate on a GEOM. In other words, it does not apply to the create
168 # It is allowed (intended actually) to change the parameters according
169 # to the schemes needs before they are used. Returning an error will
170 # terminate the request immediately.
171 METHOD int precheck {
172 struct g_part_table *table;
174 struct g_part_parms *gpp;
175 } DEFAULT default_precheck;
177 # probe() - probe the provider attached to the given consumer for the
178 # existence of the scheme implemented by the G_PART interface handler.
180 struct g_part_table *table;
181 struct g_consumer *cp;
184 # read() - read the on-disk partition table into memory.
186 struct g_part_table *table;
187 struct g_consumer *cp;
190 # recover() - scheme specific processing for the recover verb.
192 struct g_part_table *table;
193 } DEFAULT default_recover;
195 # setunset() - set or unset partition entry attributes.
196 METHOD int setunset {
197 struct g_part_table *table;
198 struct g_part_entry *entry;
203 # type() - return a string representation of the partition type.
204 # Preferably, the alias names.
205 METHOD const char * type {
206 struct g_part_table *table;
207 struct g_part_entry *entry;
212 # write() - write the in-memory partition table to disk.
214 struct g_part_table *table;
215 struct g_consumer *cp;