| @@ -1,560 +1,555 @@ | | | @@ -1,560 +1,555 @@ |
1 | /* $NetBSD: disk.h,v 1.70 2017/03/05 23:07:12 mlelstv Exp $ */ | | 1 | /* $NetBSD: disk.h,v 1.71 2017/06/08 22:24:59 chs Exp $ */ |
2 | | | 2 | |
3 | /*- | | 3 | /*- |
4 | * Copyright (c) 1996, 1997, 2004 The NetBSD Foundation, Inc. | | 4 | * Copyright (c) 1996, 1997, 2004 The NetBSD Foundation, Inc. |
5 | * All rights reserved. | | 5 | * All rights reserved. |
6 | * | | 6 | * |
7 | * This code is derived from software contributed to The NetBSD Foundation | | 7 | * This code is derived from software contributed to The NetBSD Foundation |
8 | * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, | | 8 | * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, |
9 | * NASA Ames Research Center. | | 9 | * NASA Ames Research Center. |
10 | * | | 10 | * |
11 | * Redistribution and use in source and binary forms, with or without | | 11 | * Redistribution and use in source and binary forms, with or without |
12 | * modification, are permitted provided that the following conditions | | 12 | * modification, are permitted provided that the following conditions |
13 | * are met: | | 13 | * are met: |
14 | * 1. Redistributions of source code must retain the above copyright | | 14 | * 1. Redistributions of source code must retain the above copyright |
15 | * notice, this list of conditions and the following disclaimer. | | 15 | * notice, this list of conditions and the following disclaimer. |
16 | * 2. Redistributions in binary form must reproduce the above copyright | | 16 | * 2. Redistributions in binary form must reproduce the above copyright |
17 | * notice, this list of conditions and the following disclaimer in the | | 17 | * notice, this list of conditions and the following disclaimer in the |
18 | * documentation and/or other materials provided with the distribution. | | 18 | * documentation and/or other materials provided with the distribution. |
19 | * | | 19 | * |
20 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS | | 20 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
21 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED | | 21 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
22 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | | 22 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
23 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS | | 23 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
24 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | | 24 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
25 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | | 25 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
26 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | | 26 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
27 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | | 27 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
28 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | | 28 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
29 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | | 29 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
30 | * POSSIBILITY OF SUCH DAMAGE. | | 30 | * POSSIBILITY OF SUCH DAMAGE. |
31 | */ | | 31 | */ |
32 | | | 32 | |
33 | /* | | 33 | /* |
34 | * Copyright (c) 1992, 1993 | | 34 | * Copyright (c) 1992, 1993 |
35 | * The Regents of the University of California. All rights reserved. | | 35 | * The Regents of the University of California. All rights reserved. |
36 | * | | 36 | * |
37 | * This software was developed by the Computer Systems Engineering group | | 37 | * This software was developed by the Computer Systems Engineering group |
38 | * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and | | 38 | * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and |
39 | * contributed to Berkeley. | | 39 | * contributed to Berkeley. |
40 | * | | 40 | * |
41 | * All advertising materials mentioning features or use of this software | | 41 | * All advertising materials mentioning features or use of this software |
42 | * must display the following acknowledgement: | | 42 | * must display the following acknowledgement: |
43 | * This product includes software developed by the University of | | 43 | * This product includes software developed by the University of |
44 | * California, Lawrence Berkeley Laboratories. | | 44 | * California, Lawrence Berkeley Laboratories. |
45 | * | | 45 | * |
46 | * Redistribution and use in source and binary forms, with or without | | 46 | * Redistribution and use in source and binary forms, with or without |
47 | * modification, are permitted provided that the following conditions | | 47 | * modification, are permitted provided that the following conditions |
48 | * are met: | | 48 | * are met: |
49 | * 1. Redistributions of source code must retain the above copyright | | 49 | * 1. Redistributions of source code must retain the above copyright |
50 | * notice, this list of conditions and the following disclaimer. | | 50 | * notice, this list of conditions and the following disclaimer. |
51 | * 2. Redistributions in binary form must reproduce the above copyright | | 51 | * 2. Redistributions in binary form must reproduce the above copyright |
52 | * notice, this list of conditions and the following disclaimer in the | | 52 | * notice, this list of conditions and the following disclaimer in the |
53 | * documentation and/or other materials provided with the distribution. | | 53 | * documentation and/or other materials provided with the distribution. |
54 | * 3. Neither the name of the University nor the names of its contributors | | 54 | * 3. Neither the name of the University nor the names of its contributors |
55 | * may be used to endorse or promote products derived from this software | | 55 | * may be used to endorse or promote products derived from this software |
56 | * without specific prior written permission. | | 56 | * without specific prior written permission. |
57 | * | | 57 | * |
58 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | | 58 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
59 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | | 59 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
60 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | | 60 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
61 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | | 61 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
62 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | | 62 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
63 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | | 63 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
64 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | | 64 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
65 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | | 65 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
66 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | | 66 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
67 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | | 67 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
68 | * SUCH DAMAGE. | | 68 | * SUCH DAMAGE. |
69 | * | | 69 | * |
70 | * from: Header: disk.h,v 1.5 92/11/19 04:33:03 torek Exp (LBL) | | 70 | * from: Header: disk.h,v 1.5 92/11/19 04:33:03 torek Exp (LBL) |
71 | * | | 71 | * |
72 | * @(#)disk.h 8.2 (Berkeley) 1/9/95 | | 72 | * @(#)disk.h 8.2 (Berkeley) 1/9/95 |
73 | */ | | 73 | */ |
74 | | | 74 | |
75 | #ifndef _SYS_DISK_H_ | | 75 | #ifndef _SYS_DISK_H_ |
76 | #define _SYS_DISK_H_ | | 76 | #define _SYS_DISK_H_ |
77 | | | 77 | |
78 | /* | | 78 | /* |
79 | * Disk device structures. | | 79 | * Disk device structures. |
80 | */ | | 80 | */ |
81 | | | 81 | |
82 | #ifdef _KERNEL | | | |
83 | #include <sys/device.h> | | | |
84 | #endif | | | |
85 | #include <sys/dkio.h> | | 82 | #include <sys/dkio.h> |
86 | #include <sys/time.h> | | 83 | #include <sys/time.h> |
87 | #include <sys/queue.h> | | 84 | #include <sys/queue.h> |
88 | #include <sys/mutex.h> | | | |
89 | #include <sys/iostat.h> | | | |
90 | | | | |
91 | #include <prop/proplib.h> | | | |
92 | | | | |
93 | struct buf; | | | |
94 | struct disk; | | | |
95 | struct disklabel; | | | |
96 | struct cpu_disklabel; | | | |
97 | struct lwp; | | | |
98 | struct vnode; | | | |
99 | | | 85 | |
100 | /* | | 86 | /* |
101 | * Disk information dictionary. | | 87 | * Disk information dictionary. |
102 | * | | 88 | * |
103 | * This contains general infomation for disk devices. | | 89 | * This contains general infomation for disk devices. |
104 | * | | 90 | * |
105 | * <dict> | | 91 | * <dict> |
106 | * <key>type</key> | | 92 | * <key>type</key> |
107 | * <string>...</string> | | 93 | * <string>...</string> |
108 | * <key>geometry</key> | | 94 | * <key>geometry</key> |
109 | * <dict> | | 95 | * <dict> |
110 | * <!-- See below for disk geometry dictionary | | 96 | * <!-- See below for disk geometry dictionary |
111 | * contents. --> | | 97 | * contents. --> |
112 | * </dict> | | 98 | * </dict> |
113 | * | | 99 | * |
114 | * <!-- optional information --> | | 100 | * <!-- optional information --> |
115 | * <key>rpm</key> | | 101 | * <key>rpm</key> |
116 | * <integer>...</integer> | | 102 | * <integer>...</integer> |
117 | * <key>sector-interleave</key> | | 103 | * <key>sector-interleave</key> |
118 | * <integer>...</integer> | | 104 | * <integer>...</integer> |
119 | * <key>track-skew</key> | | 105 | * <key>track-skew</key> |
120 | * <integer>...</integer> | | 106 | * <integer>...</integer> |
121 | * <key>cylinder-skew</key> | | 107 | * <key>cylinder-skew</key> |
122 | * <integer>...</integer> | | 108 | * <integer>...</integer> |
123 | * <key>head-switch-usecs</key> | | 109 | * <key>head-switch-usecs</key> |
124 | * <integer>...</integer> | | 110 | * <integer>...</integer> |
125 | * <key>track-seek-usecs</key> | | 111 | * <key>track-seek-usecs</key> |
126 | * <integer>...</integer> | | 112 | * <integer>...</integer> |
127 | * <key>removable</key> | | 113 | * <key>removable</key> |
128 | * <false/> | | 114 | * <false/> |
129 | * <key>ecc</key> | | 115 | * <key>ecc</key> |
130 | * <false/> | | 116 | * <false/> |
131 | * <key>bad-sector-forwarding</key> | | 117 | * <key>bad-sector-forwarding</key> |
132 | * <true/> | | 118 | * <true/> |
133 | * <key>ramdisk</key> | | 119 | * <key>ramdisk</key> |
134 | * <false/> | | 120 | * <false/> |
135 | * <key>back-to-back-transfers</key> | | 121 | * <key>back-to-back-transfers</key> |
136 | * <true/> | | 122 | * <true/> |
137 | * | | 123 | * |
138 | * <!-- additional information for SMD drives --> | | 124 | * <!-- additional information for SMD drives --> |
139 | * <key>smd-skip-sectoring</key> | | 125 | * <key>smd-skip-sectoring</key> |
140 | * <false/> | | 126 | * <false/> |
141 | * <!-- XXX better names for these properties --> | | 127 | * <!-- XXX better names for these properties --> |
142 | * <key>smd-mindist</key> | | 128 | * <key>smd-mindist</key> |
143 | * <integer>...</integer> | | 129 | * <integer>...</integer> |
144 | * <key>smd-maxdist</key> | | 130 | * <key>smd-maxdist</key> |
145 | * <integer>...</integer> | | 131 | * <integer>...</integer> |
146 | * <key>smd-sdist</key> | | 132 | * <key>smd-sdist</key> |
147 | * <integer>...</integer> | | 133 | * <integer>...</integer> |
148 | * | | 134 | * |
149 | * <!-- additional information for ST506 drives --> | | 135 | * <!-- additional information for ST506 drives --> |
150 | * <!-- XXX better names for these properties --> | | 136 | * <!-- XXX better names for these properties --> |
151 | * <key>st506-precompcyl</key> | | 137 | * <key>st506-precompcyl</key> |
152 | * <integer>...</integer> | | 138 | * <integer>...</integer> |
153 | * <key>st506-gap3</key> | | 139 | * <key>st506-gap3</key> |
154 | * <integer>...</integer> | | 140 | * <integer>...</integer> |
155 | * | | 141 | * |
156 | * <!-- additional information for ATA drives --> | | 142 | * <!-- additional information for ATA drives --> |
157 | * <!-- XXX --> | | 143 | * <!-- XXX --> |
158 | * | | 144 | * |
159 | * <!-- additional information for SCSI drives --> | | 145 | * <!-- additional information for SCSI drives --> |
160 | * <!-- XXX --> | | 146 | * <!-- XXX --> |
161 | * </dict> | | 147 | * </dict> |
162 | */ | | 148 | */ |
163 | | | 149 | |
164 | /* | | 150 | /* |
165 | * dkwedge_info: | | 151 | * dkwedge_info: |
166 | * | | 152 | * |
167 | * Information needed to configure (or query configuration of) a | | 153 | * Information needed to configure (or query configuration of) a |
168 | * disk wedge. | | 154 | * disk wedge. |
169 | */ | | 155 | */ |
170 | struct dkwedge_info { | | 156 | struct dkwedge_info { |
171 | char dkw_devname[16];/* device-style name (e.g. "dk0") */ | | 157 | char dkw_devname[16];/* device-style name (e.g. "dk0") */ |
172 | uint8_t dkw_wname[128]; /* wedge name (Unicode, UTF-8) */ | | 158 | uint8_t dkw_wname[128]; /* wedge name (Unicode, UTF-8) */ |
173 | char dkw_parent[16]; /* parent disk device name */ | | 159 | char dkw_parent[16]; /* parent disk device name */ |
174 | daddr_t dkw_offset; /* LBA offset of wedge in parent */ | | 160 | daddr_t dkw_offset; /* LBA offset of wedge in parent */ |
175 | uint64_t dkw_size; /* size of wedge in blocks */ | | 161 | uint64_t dkw_size; /* size of wedge in blocks */ |
176 | char dkw_ptype[32]; /* partition type string */ | | 162 | char dkw_ptype[32]; /* partition type string */ |
177 | }; | | 163 | }; |
178 | | | 164 | |
179 | /* | | 165 | /* |
180 | * dkwedge_list: | | 166 | * dkwedge_list: |
181 | * | | 167 | * |
182 | * Structure used to query a list of wedges. | | 168 | * Structure used to query a list of wedges. |
183 | */ | | 169 | */ |
184 | struct dkwedge_list { | | 170 | struct dkwedge_list { |
185 | void *dkwl_buf; /* storage for dkwedge_info array */ | | 171 | void *dkwl_buf; /* storage for dkwedge_info array */ |
186 | size_t dkwl_bufsize; /* size of that buffer */ | | 172 | size_t dkwl_bufsize; /* size of that buffer */ |
187 | u_int dkwl_nwedges; /* total number of wedges */ | | 173 | u_int dkwl_nwedges; /* total number of wedges */ |
188 | u_int dkwl_ncopied; /* number actually copied */ | | 174 | u_int dkwl_ncopied; /* number actually copied */ |
189 | }; | | 175 | }; |
190 | | | 176 | |
191 | #ifdef _KERNEL | | | |
192 | /* | | | |
193 | * dkwedge_discovery_method: | | | |
194 | * | | | |
195 | * Structure used to describe partition map parsing schemes | | | |
196 | * used for wedge autodiscovery. | | | |
197 | */ | | | |
198 | struct dkwedge_discovery_method { | | | |
199 | /* link in wedge driver's list */ | | | |
200 | LIST_ENTRY(dkwedge_discovery_method) ddm_list; | | | |
201 | const char *ddm_name; /* name of this method */ | | | |
202 | int ddm_priority; /* search priority */ | | | |
203 | int (*ddm_discover)(struct disk *, struct vnode *); | | | |
204 | }; | | | |
205 | | | | |
206 | #define DKWEDGE_DISCOVERY_METHOD_DECL(name, prio, discover) \ | | | |
207 | static struct dkwedge_discovery_method name ## _ddm = { \ | | | |
208 | { NULL, NULL }, \ | | | |
209 | #name, \ | | | |
210 | prio, \ | | | |
211 | discover \ | | | |
212 | }; \ | | | |
213 | __link_set_add_data(dkwedge_methods, name ## _ddm) | | | |
214 | #endif /* _KERNEL */ | | | |
215 | | | | |
216 | /* Some common partition types */ | | 177 | /* Some common partition types */ |
217 | #define DKW_PTYPE_UNKNOWN "" | | 178 | #define DKW_PTYPE_UNKNOWN "" |
218 | #define DKW_PTYPE_UNUSED "unused" | | 179 | #define DKW_PTYPE_UNUSED "unused" |
219 | #define DKW_PTYPE_SWAP "swap" | | 180 | #define DKW_PTYPE_SWAP "swap" |
220 | #define DKW_PTYPE_V6 "v6" | | 181 | #define DKW_PTYPE_V6 "v6" |
221 | #define DKW_PTYPE_V7 "v7" | | 182 | #define DKW_PTYPE_V7 "v7" |
222 | #define DKW_PTYPE_SYSV "sysv" | | 183 | #define DKW_PTYPE_SYSV "sysv" |
223 | #define DKW_PTYPE_V71K "v71k" | | 184 | #define DKW_PTYPE_V71K "v71k" |
224 | #define DKW_PTYPE_V8 "v8" | | 185 | #define DKW_PTYPE_V8 "v8" |
225 | #define DKW_PTYPE_FFS "ffs" | | 186 | #define DKW_PTYPE_FFS "ffs" |
226 | #define DKW_PTYPE_FAT "msdos" | | 187 | #define DKW_PTYPE_FAT "msdos" |
227 | #define DKW_PTYPE_LFS "lfs" | | 188 | #define DKW_PTYPE_LFS "lfs" |
228 | #define DKW_PTYPE_OTHER "other" | | 189 | #define DKW_PTYPE_OTHER "other" |
229 | #define DKW_PTYPE_HPFS "hpfs" | | 190 | #define DKW_PTYPE_HPFS "hpfs" |
230 | #define DKW_PTYPE_ISO9660 "cd9660" | | 191 | #define DKW_PTYPE_ISO9660 "cd9660" |
231 | #define DKW_PTYPE_BOOT "boot" | | 192 | #define DKW_PTYPE_BOOT "boot" |
232 | #define DKW_PTYPE_AMIGADOS "ados" | | 193 | #define DKW_PTYPE_AMIGADOS "ados" |
233 | #define DKW_PTYPE_HFS "hfs" | | 194 | #define DKW_PTYPE_HFS "hfs" |
234 | #define DKW_PTYPE_FILECORE "filecore" | | 195 | #define DKW_PTYPE_FILECORE "filecore" |
235 | #define DKW_PTYPE_EXT2FS "ext2fs" | | 196 | #define DKW_PTYPE_EXT2FS "ext2fs" |
236 | #define DKW_PTYPE_NTFS "ntfs" | | 197 | #define DKW_PTYPE_NTFS "ntfs" |
237 | #define DKW_PTYPE_RAIDFRAME "raidframe" | | 198 | #define DKW_PTYPE_RAIDFRAME "raidframe" |
238 | #define DKW_PTYPE_CCD "ccd" | | 199 | #define DKW_PTYPE_CCD "ccd" |
239 | #define DKW_PTYPE_JFS2 "jfs2" | | 200 | #define DKW_PTYPE_JFS2 "jfs2" |
240 | #define DKW_PTYPE_APPLEUFS "appleufs" | | 201 | #define DKW_PTYPE_APPLEUFS "appleufs" |
241 | #define DKW_PTYPE_VINUM "vinum" | | 202 | #define DKW_PTYPE_VINUM "vinum" |
242 | #define DKW_PTYPE_UDF "udf" | | 203 | #define DKW_PTYPE_UDF "udf" |
243 | #define DKW_PTYPE_APPLEHFS "hfs" | | 204 | #define DKW_PTYPE_APPLEHFS "hfs" |
244 | #define DKW_PTYPE_SYSVBFS "sysvbfs" | | 205 | #define DKW_PTYPE_SYSVBFS "sysvbfs" |
245 | #define DKW_PTYPE_EFS "efs" | | 206 | #define DKW_PTYPE_EFS "efs" |
246 | #define DKW_PTYPE_NILFS "nilfs" | | 207 | #define DKW_PTYPE_NILFS "nilfs" |
247 | #define DKW_PTYPE_CGD "cgd" | | 208 | #define DKW_PTYPE_CGD "cgd" |
248 | #define DKW_PTYPE_MINIXFS3 "minixfs3" | | 209 | #define DKW_PTYPE_MINIXFS3 "minixfs3" |
249 | | | 210 | |
250 | /* | | 211 | /* |
251 | * Ensure each symbol used in FSTYPE_DEFN in <sys/disklabel.h> | | 212 | * Ensure each symbol used in FSTYPE_DEFN in <sys/disklabel.h> |
252 | * has a corresponding DKW_PTYPE_* definition. | | 213 | * has a corresponding DKW_PTYPE_* definition. |
253 | */ | | 214 | */ |
254 | #define DKW_PTYPE_MSDOS DKW_PTYPE_FAT | | 215 | #define DKW_PTYPE_MSDOS DKW_PTYPE_FAT |
255 | #define DKW_PTYPE_BSDFFS DKW_PTYPE_FFS | | 216 | #define DKW_PTYPE_BSDFFS DKW_PTYPE_FFS |
256 | #define DKW_PTYPE_BSDLFS DKW_PTYPE_LFS | | 217 | #define DKW_PTYPE_BSDLFS DKW_PTYPE_LFS |
257 | #define DKW_PTYPE_ADOS DKW_PTYPE_AMIGADOS | | 218 | #define DKW_PTYPE_ADOS DKW_PTYPE_AMIGADOS |
258 | #define DKW_PTYPE_EX2FS DKW_PTYPE_EXT2FS | | 219 | #define DKW_PTYPE_EX2FS DKW_PTYPE_EXT2FS |
259 | #define DKW_PTYPE_RAID DKW_PTYPE_RAIDFRAME | | 220 | #define DKW_PTYPE_RAID DKW_PTYPE_RAIDFRAME |
260 | | | 221 | |
261 | /* | | 222 | /* |
262 | * Disk geometry dictionary. | | 223 | * Disk geometry dictionary. |
263 | * | | 224 | * |
264 | * NOTE: Not all geometry information is relevant for every kind of disk. | | 225 | * NOTE: Not all geometry information is relevant for every kind of disk. |
265 | * | | 226 | * |
266 | * <dict> | | 227 | * <dict> |
267 | * <key>sectors-per-unit</key> | | 228 | * <key>sectors-per-unit</key> |
268 | * <integer>...</integer> | | 229 | * <integer>...</integer> |
269 | * <key>sector-size</key> | | 230 | * <key>sector-size</key> |
270 | * <integer>...</integer> | | 231 | * <integer>...</integer> |
271 | * <key>sectors-per-track</key> | | 232 | * <key>sectors-per-track</key> |
272 | * <integer>...</integer> | | 233 | * <integer>...</integer> |
273 | * <key>tracks-per-cylinder</key> | | 234 | * <key>tracks-per-cylinder</key> |
274 | * <integer>...</integer> | | 235 | * <integer>...</integer> |
275 | * <key>cylinders-per-unit</key> | | 236 | * <key>cylinders-per-unit</key> |
276 | * <integer>...</integer> | | 237 | * <integer>...</integer> |
277 | * <key>physical-cylinders-per-unit</key> | | 238 | * <key>physical-cylinders-per-unit</key> |
278 | * <integer>...</integer> | | 239 | * <integer>...</integer> |
279 | * <key>spare-sectors-per-track</key> | | 240 | * <key>spare-sectors-per-track</key> |
280 | * <integer>...</integer> | | 241 | * <integer>...</integer> |
281 | * <key>spare-sectors-per-cylinder</key> | | 242 | * <key>spare-sectors-per-cylinder</key> |
282 | * <integer>...</integer> | | 243 | * <integer>...</integer> |
283 | * <key>alternative-cylinders</key> | | 244 | * <key>alternative-cylinders</key> |
284 | * <integer>...</integer> | | 245 | * <integer>...</integer> |
285 | * </dict> | | 246 | * </dict> |
286 | * NOTE: Not all geometry information is relevant for every kind of disk. | | 247 | * NOTE: Not all geometry information is relevant for every kind of disk. |
287 | */ | | 248 | */ |
288 | | | 249 | |
289 | struct disk_geom { | | 250 | struct disk_geom { |
290 | int64_t dg_secperunit; /* # of data sectors per unit */ | | 251 | int64_t dg_secperunit; /* # of data sectors per unit */ |
291 | uint32_t dg_secsize; /* # of bytes per sector */ | | 252 | uint32_t dg_secsize; /* # of bytes per sector */ |
292 | uint32_t dg_nsectors; /* # of data sectors per track */ | | 253 | uint32_t dg_nsectors; /* # of data sectors per track */ |
293 | uint32_t dg_ntracks; /* # of tracks per cylinder */ | | 254 | uint32_t dg_ntracks; /* # of tracks per cylinder */ |
294 | uint32_t dg_ncylinders; /* # of data cylinders per unit */ | | 255 | uint32_t dg_ncylinders; /* # of data cylinders per unit */ |
295 | uint32_t dg_secpercyl; /* # of data sectors per cylinder */ | | 256 | uint32_t dg_secpercyl; /* # of data sectors per cylinder */ |
296 | uint32_t dg_pcylinders; /* # of physical cylinders per unit */ | | 257 | uint32_t dg_pcylinders; /* # of physical cylinders per unit */ |
297 | | | 258 | |
298 | /* | | 259 | /* |
299 | * Spares (bad sector replacements) below are not counted in | | 260 | * Spares (bad sector replacements) below are not counted in |
300 | * dg_nsectors or dg_secpercyl. Spare sectors are assumed to | | 261 | * dg_nsectors or dg_secpercyl. Spare sectors are assumed to |
301 | * be physical sectors which occupy space at the end of each | | 262 | * be physical sectors which occupy space at the end of each |
302 | * track and/or cylinder. | | 263 | * track and/or cylinder. |
303 | */ | | 264 | */ |
304 | uint32_t dg_sparespertrack; | | 265 | uint32_t dg_sparespertrack; |
305 | uint32_t dg_sparespercyl; | | 266 | uint32_t dg_sparespercyl; |
306 | /* | | 267 | /* |
307 | * Alternative cylinders include maintenance, replacement, | | 268 | * Alternative cylinders include maintenance, replacement, |
308 | * configuration description areas, etc. | | 269 | * configuration description areas, etc. |
309 | */ | | 270 | */ |
310 | uint32_t dg_acylinders; | | 271 | uint32_t dg_acylinders; |
311 | }; | | 272 | }; |
312 | | | 273 | |
313 | /* | | 274 | /* |
| | | 275 | * Bad sector lists per fixed disk |
| | | 276 | */ |
| | | 277 | struct disk_badsectors { |
| | | 278 | SLIST_ENTRY(disk_badsectors) dbs_next; |
| | | 279 | daddr_t dbs_min; /* min. sector number */ |
| | | 280 | daddr_t dbs_max; /* max. sector number */ |
| | | 281 | struct timeval dbs_failedat; /* first failure at */ |
| | | 282 | }; |
| | | 283 | |
| | | 284 | struct disk_badsecinfo { |
| | | 285 | uint32_t dbsi_bufsize; /* size of region pointed to */ |
| | | 286 | uint32_t dbsi_skip; /* how many to skip past */ |
| | | 287 | uint32_t dbsi_copied; /* how many got copied back */ |
| | | 288 | uint32_t dbsi_left; /* remaining to copy */ |
| | | 289 | void * dbsi_buffer; /* region to copy disk_badsectors to */ |
| | | 290 | }; |
| | | 291 | |
| | | 292 | #define DK_STRATEGYNAMELEN 32 |
| | | 293 | struct disk_strategy { |
| | | 294 | char dks_name[DK_STRATEGYNAMELEN]; /* name of strategy */ |
| | | 295 | char *dks_param; /* notyet; should be NULL */ |
| | | 296 | size_t dks_paramlen; /* notyet; should be 0 */ |
| | | 297 | }; |
| | | 298 | |
| | | 299 | #ifdef _KERNEL |
| | | 300 | #include <sys/device.h> |
| | | 301 | #include <sys/mutex.h> |
| | | 302 | #include <sys/iostat.h> |
| | | 303 | |
| | | 304 | #include <prop/proplib.h> |
| | | 305 | |
| | | 306 | struct buf; |
| | | 307 | struct disk; |
| | | 308 | struct disklabel; |
| | | 309 | struct cpu_disklabel; |
| | | 310 | struct lwp; |
| | | 311 | struct vnode; |
| | | 312 | |
| | | 313 | /* |
| | | 314 | * dkwedge_discovery_method: |
| | | 315 | * |
| | | 316 | * Structure used to describe partition map parsing schemes |
| | | 317 | * used for wedge autodiscovery. |
| | | 318 | */ |
| | | 319 | struct dkwedge_discovery_method { |
| | | 320 | /* link in wedge driver's list */ |
| | | 321 | LIST_ENTRY(dkwedge_discovery_method) ddm_list; |
| | | 322 | const char *ddm_name; /* name of this method */ |
| | | 323 | int ddm_priority; /* search priority */ |
| | | 324 | int (*ddm_discover)(struct disk *, struct vnode *); |
| | | 325 | }; |
| | | 326 | |
| | | 327 | #define DKWEDGE_DISCOVERY_METHOD_DECL(name, prio, discover) \ |
| | | 328 | static struct dkwedge_discovery_method name ## _ddm = { \ |
| | | 329 | { NULL, NULL }, \ |
| | | 330 | #name, \ |
| | | 331 | prio, \ |
| | | 332 | discover \ |
| | | 333 | }; \ |
| | | 334 | __link_set_add_data(dkwedge_methods, name ## _ddm) |
| | | 335 | |
| | | 336 | /* |
314 | * Disk partition dictionary. | | 337 | * Disk partition dictionary. |
315 | * | | 338 | * |
316 | * A partition is represented as a dictionary containing generic partition | | 339 | * A partition is represented as a dictionary containing generic partition |
317 | * properties (such as starting block and block count), as well as information | | 340 | * properties (such as starting block and block count), as well as information |
318 | * that is specific to individual partition map formats. | | 341 | * that is specific to individual partition map formats. |
319 | * | | 342 | * |
320 | * <dict> | | 343 | * <dict> |
321 | * <key>start-block</key> | | 344 | * <key>start-block</key> |
322 | * <integer>...</integer> | | 345 | * <integer>...</integer> |
323 | * <key>block-count</key> | | 346 | * <key>block-count</key> |
324 | * <integer>...</integer> | | 347 | * <integer>...</integer> |
325 | * <!-- DKW_PTYPE strings ("" or missing if unknown) --> | | 348 | * <!-- DKW_PTYPE strings ("" or missing if unknown) --> |
326 | * <key>type</type> | | 349 | * <key>type</type> |
327 | * <string>...</string> | | 350 | * <string>...</string> |
328 | * <!-- optional --> | | 351 | * <!-- optional --> |
329 | * <key>name</key> | | 352 | * <key>name</key> |
330 | * <string>...</string> | | 353 | * <string>...</string> |
331 | * | | 354 | * |
332 | * <!-- these are valid for GPT partition maps --> | | 355 | * <!-- these are valid for GPT partition maps --> |
333 | * <key>gpt-type-guid</key> | | 356 | * <key>gpt-type-guid</key> |
334 | * <string>...</string> | | 357 | * <string>...</string> |
335 | * <key>gpt-partition-guid</key> | | 358 | * <key>gpt-partition-guid</key> |
336 | * <string>...</string> | | 359 | * <string>...</string> |
337 | * <key>gpt-platform-required</key> | | 360 | * <key>gpt-platform-required</key> |
338 | * <false/> | | 361 | * <false/> |
339 | * | | 362 | * |
340 | * <!-- these are valid for 4.4BSD partition maps --> | | 363 | * <!-- these are valid for 4.4BSD partition maps --> |
341 | * <key>bsd44-partition-type</key> | | 364 | * <key>bsd44-partition-type</key> |
342 | * <integer>...</integer> | | 365 | * <integer>...</integer> |
343 | * <key>bsd44-fs-fragment-size</key> | | 366 | * <key>bsd44-fs-fragment-size</key> |
344 | * <integer>...</integer> | | 367 | * <integer>...</integer> |
345 | * <key>bsd44-iso9660-session-offset</key> | | 368 | * <key>bsd44-iso9660-session-offset</key> |
346 | * <integer>...</integer> | | 369 | * <integer>...</integer> |
347 | * <key>bsd44-ffs-cylinders-per-group</key> | | 370 | * <key>bsd44-ffs-cylinders-per-group</key> |
348 | * <integer>...</integer> | | 371 | * <integer>...</integer> |
349 | * <key>bsd44-lfs-segment-shift</key> | | 372 | * <key>bsd44-lfs-segment-shift</key> |
350 | * <integer>...</integer> | | 373 | * <integer>...</integer> |
351 | * | | 374 | * |
352 | * <!-- these are valid for NeXT partition maps --> | | 375 | * <!-- these are valid for NeXT partition maps --> |
353 | * <key>next-block-size</key> | | 376 | * <key>next-block-size</key> |
354 | * <integer>...</integer> | | 377 | * <integer>...</integer> |
355 | * <key>next-fs-fragment-size</key> | | 378 | * <key>next-fs-fragment-size</key> |
356 | * <integer>...</integer> | | 379 | * <integer>...</integer> |
357 | * <key>next-fs-optimization</key> | | 380 | * <key>next-fs-optimization</key> |
358 | * <string>...</string> <!-- "space" or "time" --> | | 381 | * <string>...</string> <!-- "space" or "time" --> |
359 | * <key>next-fs-cylinders-per-group</key> | | 382 | * <key>next-fs-cylinders-per-group</key> |
360 | * <integer>...</integer> | | 383 | * <integer>...</integer> |
361 | * <key>next-bytes-per-inode-density</key> | | 384 | * <key>next-bytes-per-inode-density</key> |
362 | * <integer>...</integer> | | 385 | * <integer>...</integer> |
363 | * <key>next-minfree-percentage</key> | | 386 | * <key>next-minfree-percentage</key> |
364 | * <integer>...</integer> | | 387 | * <integer>...</integer> |
365 | * <key>next-run-newfs-during-init</key> | | 388 | * <key>next-run-newfs-during-init</key> |
366 | * <false/> | | 389 | * <false/> |
367 | * <key>next-mount-point</key> | | 390 | * <key>next-mount-point</key> |
368 | * <string>...</string> | | 391 | * <string>...</string> |
369 | * <key>next-automount</key> | | 392 | * <key>next-automount</key> |
370 | * <true/> | | 393 | * <true/> |
371 | * <key>next-partition-type</key> | | 394 | * <key>next-partition-type</key> |
372 | * <string>...</string> | | 395 | * <string>...</string> |
373 | * | | 396 | * |
374 | * <!-- these are valid for MBR partition maps --> | | 397 | * <!-- these are valid for MBR partition maps --> |
375 | * <key>mbr-start-head</key> | | 398 | * <key>mbr-start-head</key> |
376 | * <integer>...</integer> | | 399 | * <integer>...</integer> |
377 | * <key>mbr-start-sector</key> | | 400 | * <key>mbr-start-sector</key> |
378 | * <integer>...</integer> | | 401 | * <integer>...</integer> |
379 | * <key>mbr-start-cylinder</key> | | 402 | * <key>mbr-start-cylinder</key> |
380 | * <integer>...</integer> | | 403 | * <integer>...</integer> |
381 | * <key>mbr-partition-type</key> | | 404 | * <key>mbr-partition-type</key> |
382 | * <integer>...</integer> | | 405 | * <integer>...</integer> |
383 | * <key>mbr-end-head</key> | | 406 | * <key>mbr-end-head</key> |
384 | * <integer>...</integer> | | 407 | * <integer>...</integer> |
385 | * <key>mbr-end-sector</key> | | 408 | * <key>mbr-end-sector</key> |
386 | * <integer>...</integer> | | 409 | * <integer>...</integer> |
387 | * <key>mbr-end-cylinder</key> | | 410 | * <key>mbr-end-cylinder</key> |
388 | * <integer>...</integer> | | 411 | * <integer>...</integer> |
389 | * <key>mbr-active-partition</key> | | 412 | * <key>mbr-active-partition</key> |
390 | * <false/> | | 413 | * <false/> |
391 | * | | 414 | * |
392 | * <!-- these are valid for Apple partition maps --> | | 415 | * <!-- these are valid for Apple partition maps --> |
393 | * <key>apple-partition-type</key> | | 416 | * <key>apple-partition-type</key> |
394 | * <string>...</string> | | 417 | * <string>...</string> |
395 | * <!-- XXX What else do we need? wrstuden? --> | | 418 | * <!-- XXX What else do we need? wrstuden? --> |
396 | * | | 419 | * |
397 | * <!-- these are valid for RISCiX partition maps --> | | 420 | * <!-- these are valid for RISCiX partition maps --> |
398 | * <key>riscix-partition-type</key> | | 421 | * <key>riscix-partition-type</key> |
399 | * <integer>...</integer> | | 422 | * <integer>...</integer> |
400 | * | | 423 | * |
401 | * <!-- these are valid for MIPS/SGI partition maps --> | | 424 | * <!-- these are valid for MIPS/SGI partition maps --> |
402 | * <key>mips-partition-type</key> | | 425 | * <key>mips-partition-type</key> |
403 | * <integer>...</integer> | | 426 | * <integer>...</integer> |
404 | * | | 427 | * |
405 | * <!-- SunOS 4 partition maps have no specific | | 428 | * <!-- SunOS 4 partition maps have no specific |
406 | * additional information. Note, however, | | 429 | * additional information. Note, however, |
407 | * that SunOS 4 partitions must begin on | | 430 | * that SunOS 4 partitions must begin on |
408 | * cylinder boundaries. --> | | 431 | * cylinder boundaries. --> |
409 | * | | 432 | * |
410 | * <!-- XXX Need Amiga partition map info --> | | 433 | * <!-- XXX Need Amiga partition map info --> |
411 | * | | 434 | * |
412 | * <!-- these are valid for VTOC partition maps --> | | 435 | * <!-- these are valid for VTOC partition maps --> |
413 | * <key>vtoc-tag</key> | | 436 | * <key>vtoc-tag</key> |
414 | * <integer>...</integer> | | 437 | * <integer>...</integer> |
415 | * <key>vtoc-unmount</key> | | 438 | * <key>vtoc-unmount</key> |
416 | * <false/> | | 439 | * <false/> |
417 | * <key>vtoc-read-only</key> | | 440 | * <key>vtoc-read-only</key> |
418 | * <false/> | | 441 | * <false/> |
419 | * <!-- XXX is this really part of the partition info? --> | | 442 | * <!-- XXX is this really part of the partition info? --> |
420 | * <key>vtoc-timestamp</key> | | 443 | * <key>vtoc-timestamp</key> |
421 | * <integer>...</integer> | | 444 | * <integer>...</integer> |
422 | * | | 445 | * |
423 | * <!-- mvme68k partition maps use 4.4BSD partition | | 446 | * <!-- mvme68k partition maps use 4.4BSD partition |
424 | * info stuffed into two different areas of the | | 447 | * info stuffed into two different areas of the |
425 | * disk information label recognized by BUG. --> | | 448 | * disk information label recognized by BUG. --> |
426 | * | | 449 | * |
427 | * <!-- XXX What else? --> | | 450 | * <!-- XXX What else? --> |
428 | * </dict> | | 451 | * </dict> |
429 | */ | | 452 | */ |
430 | | | 453 | |
431 | struct disk { | | 454 | struct disk { |
432 | TAILQ_ENTRY(disk) dk_link; /* link in global disklist */ | | 455 | TAILQ_ENTRY(disk) dk_link; /* link in global disklist */ |
433 | const char *dk_name; /* disk name */ | | 456 | const char *dk_name; /* disk name */ |
434 | prop_dictionary_t dk_info; /* reference to disk-info dictionary */ | | 457 | prop_dictionary_t dk_info; /* reference to disk-info dictionary */ |
435 | struct disk_geom dk_geom; /* cooked version of dk_info */ | | 458 | struct disk_geom dk_geom; /* cooked version of dk_info */ |
436 | int dk_bopenmask; /* block devices open */ | | 459 | int dk_bopenmask; /* block devices open */ |
437 | int dk_copenmask; /* character devices open */ | | 460 | int dk_copenmask; /* character devices open */ |
438 | int dk_openmask; /* composite (bopen|copen) */ | | 461 | int dk_openmask; /* composite (bopen|copen) */ |
439 | int dk_state; /* label state ### */ | | 462 | int dk_state; /* label state ### */ |
440 | int dk_blkshift; /* shift to convert DEV_BSIZE to blks */ | | 463 | int dk_blkshift; /* shift to convert DEV_BSIZE to blks */ |
441 | int dk_byteshift; /* shift to convert bytes to blks */ | | 464 | int dk_byteshift; /* shift to convert bytes to blks */ |
442 | | | 465 | |
443 | /* | | 466 | /* |
444 | * Metrics data; note that some metrics may have no meaning | | 467 | * Metrics data; note that some metrics may have no meaning |
445 | * on certain types of disks. | | 468 | * on certain types of disks. |
446 | */ | | 469 | */ |
447 | struct io_stats *dk_stats; | | 470 | struct io_stats *dk_stats; |
448 | | | 471 | |
449 | const struct dkdriver *dk_driver; /* pointer to driver */ | | 472 | const struct dkdriver *dk_driver; /* pointer to driver */ |
450 | | | 473 | |
451 | /* | | 474 | /* |
452 | * Information required to be the parent of a disk wedge. | | 475 | * Information required to be the parent of a disk wedge. |
453 | */ | | 476 | */ |
454 | kmutex_t dk_rawlock; /* lock on these fields */ | | 477 | kmutex_t dk_rawlock; /* lock on these fields */ |
455 | u_int dk_rawopens; /* # of openes of rawvp */ | | 478 | u_int dk_rawopens; /* # of openes of rawvp */ |
456 | struct vnode *dk_rawvp; /* vnode for the RAW_PART bdev */ | | 479 | struct vnode *dk_rawvp; /* vnode for the RAW_PART bdev */ |
457 | | | 480 | |
458 | kmutex_t dk_openlock; /* lock on these and openmask */ | | 481 | kmutex_t dk_openlock; /* lock on these and openmask */ |
459 | u_int dk_nwedges; /* # of configured wedges */ | | 482 | u_int dk_nwedges; /* # of configured wedges */ |
460 | /* all wedges on this disk */ | | 483 | /* all wedges on this disk */ |
461 | LIST_HEAD(, dkwedge_softc) dk_wedges; | | 484 | LIST_HEAD(, dkwedge_softc) dk_wedges; |
462 | | | 485 | |
463 | /* | | 486 | /* |
464 | * Disk label information. Storage for the in-core disk label | | 487 | * Disk label information. Storage for the in-core disk label |
465 | * must be dynamically allocated, otherwise the size of this | | 488 | * must be dynamically allocated, otherwise the size of this |
466 | * structure becomes machine-dependent. | | 489 | * structure becomes machine-dependent. |
467 | */ | | 490 | */ |
468 | daddr_t dk_labelsector; /* sector containing label */ | | 491 | daddr_t dk_labelsector; /* sector containing label */ |
469 | struct disklabel *dk_label; /* label */ | | 492 | struct disklabel *dk_label; /* label */ |
470 | struct cpu_disklabel *dk_cpulabel; | | 493 | struct cpu_disklabel *dk_cpulabel; |
471 | }; | | 494 | }; |
472 | | | 495 | |
473 | #ifdef _KERNEL | | | |
474 | struct dkdriver { | | 496 | struct dkdriver { |
475 | void (*d_strategy)(struct buf *); | | 497 | void (*d_strategy)(struct buf *); |
476 | void (*d_minphys)(struct buf *); | | 498 | void (*d_minphys)(struct buf *); |
477 | int (*d_open)(dev_t, int, int, struct lwp *); | | 499 | int (*d_open)(dev_t, int, int, struct lwp *); |
478 | int (*d_close)(dev_t, int, int, struct lwp *); | | 500 | int (*d_close)(dev_t, int, int, struct lwp *); |
479 | int (*d_diskstart)(device_t, struct buf *); | | 501 | int (*d_diskstart)(device_t, struct buf *); |
480 | void (*d_iosize)(device_t, int *); | | 502 | void (*d_iosize)(device_t, int *); |
481 | int (*d_dumpblocks)(device_t, void *, daddr_t, int); | | 503 | int (*d_dumpblocks)(device_t, void *, daddr_t, int); |
482 | int (*d_lastclose)(device_t); | | 504 | int (*d_lastclose)(device_t); |
483 | int (*d_discard)(device_t, off_t, off_t); | | 505 | int (*d_discard)(device_t, off_t, off_t); |
484 | int (*d_firstopen)(device_t, dev_t, int, int); | | 506 | int (*d_firstopen)(device_t, dev_t, int, int); |
485 | void (*d_label)(device_t, struct disklabel *lp); | | 507 | void (*d_label)(device_t, struct disklabel *lp); |
486 | }; | | 508 | }; |
487 | #endif | | | |
488 | | | 509 | |
489 | /* states */ | | 510 | /* states */ |
490 | #define DK_CLOSED 0 /* drive is closed */ | | 511 | #define DK_CLOSED 0 /* drive is closed */ |
491 | #define DK_WANTOPEN 1 /* drive being opened */ | | 512 | #define DK_WANTOPEN 1 /* drive being opened */ |
492 | #define DK_WANTOPENRAW 2 /* drive being opened */ | | 513 | #define DK_WANTOPENRAW 2 /* drive being opened */ |
493 | #define DK_RDLABEL 3 /* label being read */ | | 514 | #define DK_RDLABEL 3 /* label being read */ |
494 | #define DK_OPEN 4 /* label read, drive open */ | | 515 | #define DK_OPEN 4 /* label read, drive open */ |
495 | #define DK_OPENRAW 5 /* open without label */ | | 516 | #define DK_OPENRAW 5 /* open without label */ |
496 | | | 517 | |
497 | /* | | | |
498 | * Bad sector lists per fixed disk | | | |
499 | */ | | | |
500 | struct disk_badsectors { | | | |
501 | SLIST_ENTRY(disk_badsectors) dbs_next; | | | |
502 | daddr_t dbs_min; /* min. sector number */ | | | |
503 | daddr_t dbs_max; /* max. sector number */ | | | |
504 | struct timeval dbs_failedat; /* first failure at */ | | | |
505 | }; | | | |
506 | | | | |
507 | struct disk_badsecinfo { | | | |
508 | uint32_t dbsi_bufsize; /* size of region pointed to */ | | | |
509 | uint32_t dbsi_skip; /* how many to skip past */ | | | |
510 | uint32_t dbsi_copied; /* how many got copied back */ | | | |
511 | uint32_t dbsi_left; /* remaining to copy */ | | | |
512 | void * dbsi_buffer; /* region to copy disk_badsectors to */ | | | |
513 | }; | | | |
514 | | | | |
515 | #define DK_STRATEGYNAMELEN 32 | | | |
516 | struct disk_strategy { | | | |
517 | char dks_name[DK_STRATEGYNAMELEN]; /* name of strategy */ | | | |
518 | char *dks_param; /* notyet; should be NULL */ | | | |
519 | size_t dks_paramlen; /* notyet; should be 0 */ | | | |
520 | }; | | | |
521 | | | | |
522 | #define DK_BSIZE2BLKSHIFT(b) ((ffs((b) / DEV_BSIZE)) - 1) | | 518 | #define DK_BSIZE2BLKSHIFT(b) ((ffs((b) / DEV_BSIZE)) - 1) |
523 | #define DK_BSIZE2BYTESHIFT(b) (ffs((b)) - 1) | | 519 | #define DK_BSIZE2BYTESHIFT(b) (ffs((b)) - 1) |
524 | #define DK_DEV_BSIZE_OK(b) \ | | 520 | #define DK_DEV_BSIZE_OK(b) \ |
525 | ((b) >= DEV_BSIZE && ((b) & ((b) - 1)) == 0 && (b) <= MAXPHYS) | | 521 | ((b) >= DEV_BSIZE && ((b) & ((b) - 1)) == 0 && (b) <= MAXPHYS) |
526 | | | 522 | |
527 | #ifdef _KERNEL | | | |
528 | extern int disk_count; /* number of disks in global disklist */ | | 523 | extern int disk_count; /* number of disks in global disklist */ |
529 | | | 524 | |
530 | struct proc; | | 525 | struct proc; |
531 | | | 526 | |
532 | void disk_attach(struct disk *); | | 527 | void disk_attach(struct disk *); |
533 | int disk_begindetach(struct disk *, int (*)(device_t), device_t, int); | | 528 | int disk_begindetach(struct disk *, int (*)(device_t), device_t, int); |
534 | void disk_detach(struct disk *); | | 529 | void disk_detach(struct disk *); |
535 | void disk_init(struct disk *, const char *, const struct dkdriver *); | | 530 | void disk_init(struct disk *, const char *, const struct dkdriver *); |
536 | void disk_destroy(struct disk *); | | 531 | void disk_destroy(struct disk *); |
537 | void disk_wait(struct disk *); | | 532 | void disk_wait(struct disk *); |
538 | void disk_busy(struct disk *); | | 533 | void disk_busy(struct disk *); |
539 | void disk_unbusy(struct disk *, long, int); | | 534 | void disk_unbusy(struct disk *, long, int); |
540 | bool disk_isbusy(struct disk *); | | 535 | bool disk_isbusy(struct disk *); |
541 | struct disk *disk_find(const char *); | | 536 | struct disk *disk_find(const char *); |
542 | int disk_ioctl(struct disk *, dev_t, u_long, void *, int, struct lwp *); | | 537 | int disk_ioctl(struct disk *, dev_t, u_long, void *, int, struct lwp *); |
543 | void disk_set_info(device_t, struct disk *, const char *); | | 538 | void disk_set_info(device_t, struct disk *, const char *); |
544 | | | 539 | |
545 | void dkwedge_init(void); | | 540 | void dkwedge_init(void); |
546 | int dkwedge_add(struct dkwedge_info *); | | 541 | int dkwedge_add(struct dkwedge_info *); |
547 | int dkwedge_del(struct dkwedge_info *); | | 542 | int dkwedge_del(struct dkwedge_info *); |
548 | void dkwedge_delall(struct disk *); | | 543 | void dkwedge_delall(struct disk *); |
549 | int dkwedge_list(struct disk *, struct dkwedge_list *, struct lwp *); | | 544 | int dkwedge_list(struct disk *, struct dkwedge_list *, struct lwp *); |
550 | void dkwedge_discover(struct disk *); | | 545 | void dkwedge_discover(struct disk *); |
551 | int dkwedge_read(struct disk *, struct vnode *, daddr_t, void *, size_t); | | 546 | int dkwedge_read(struct disk *, struct vnode *, daddr_t, void *, size_t); |
552 | device_t dkwedge_find_by_wname(const char *); | | 547 | device_t dkwedge_find_by_wname(const char *); |
553 | device_t dkwedge_find_by_parent(const char *, size_t *); | | 548 | device_t dkwedge_find_by_parent(const char *, size_t *); |
554 | const char *dkwedge_get_parent_name(dev_t); | | 549 | const char *dkwedge_get_parent_name(dev_t); |
555 | void dkwedge_print_wnames(void); | | 550 | void dkwedge_print_wnames(void); |
556 | device_t dkwedge_find_partition(device_t, daddr_t, uint64_t); | | 551 | device_t dkwedge_find_partition(device_t, daddr_t, uint64_t); |
557 | | | 552 | |
558 | #endif | | 553 | #endif /* _KERNEL */ |
559 | | | 554 | |
560 | #endif /* _SYS_DISK_H_ */ | | 555 | #endif /* _SYS_DISK_H_ */ |