diff options
author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-08-01 14:42:05 -0400 |
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committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-08-01 14:42:05 -0400 |
commit | c6557e7f2b6ae76a44653d38f835174074c42e05 (patch) | |
tree | da619a76b309cb1cd259d082af768a83cfcd6d52 /arch/s390/include/asm/vtoc.h | |
parent | ab4227cb2d936886069ef1056c02500d05beb15d (diff) |
[S390] move include/asm-s390 to arch/s390/include/asm
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/vtoc.h')
-rw-r--r-- | arch/s390/include/asm/vtoc.h | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/arch/s390/include/asm/vtoc.h b/arch/s390/include/asm/vtoc.h new file mode 100644 index 00000000000..3a5267d90d2 --- /dev/null +++ b/arch/s390/include/asm/vtoc.h | |||
@@ -0,0 +1,203 @@ | |||
1 | /* | ||
2 | * include/asm-s390/vtoc.h | ||
3 | * | ||
4 | * This file contains volume label definitions for DASD devices. | ||
5 | * | ||
6 | * (C) Copyright IBM Corp. 2005 | ||
7 | * | ||
8 | * Author(s): Volker Sameske <sameske@de.ibm.com> | ||
9 | * | ||
10 | */ | ||
11 | |||
12 | #ifndef _ASM_S390_VTOC_H | ||
13 | #define _ASM_S390_VTOC_H | ||
14 | |||
15 | #include <linux/types.h> | ||
16 | |||
17 | struct vtoc_ttr | ||
18 | { | ||
19 | __u16 tt; | ||
20 | __u8 r; | ||
21 | } __attribute__ ((packed)); | ||
22 | |||
23 | struct vtoc_cchhb | ||
24 | { | ||
25 | __u16 cc; | ||
26 | __u16 hh; | ||
27 | __u8 b; | ||
28 | } __attribute__ ((packed)); | ||
29 | |||
30 | struct vtoc_cchh | ||
31 | { | ||
32 | __u16 cc; | ||
33 | __u16 hh; | ||
34 | } __attribute__ ((packed)); | ||
35 | |||
36 | struct vtoc_labeldate | ||
37 | { | ||
38 | __u8 year; | ||
39 | __u16 day; | ||
40 | } __attribute__ ((packed)); | ||
41 | |||
42 | struct vtoc_volume_label | ||
43 | { | ||
44 | char volkey[4]; /* volume key = volume label */ | ||
45 | char vollbl[4]; /* volume label */ | ||
46 | char volid[6]; /* volume identifier */ | ||
47 | __u8 security; /* security byte */ | ||
48 | struct vtoc_cchhb vtoc; /* VTOC address */ | ||
49 | char res1[5]; /* reserved */ | ||
50 | char cisize[4]; /* CI-size for FBA,... */ | ||
51 | /* ...blanks for CKD */ | ||
52 | char blkperci[4]; /* no of blocks per CI (FBA), blanks for CKD */ | ||
53 | char labperci[4]; /* no of labels per CI (FBA), blanks for CKD */ | ||
54 | char res2[4]; /* reserved */ | ||
55 | char lvtoc[14]; /* owner code for LVTOC */ | ||
56 | char res3[29]; /* reserved */ | ||
57 | } __attribute__ ((packed)); | ||
58 | |||
59 | struct vtoc_extent | ||
60 | { | ||
61 | __u8 typeind; /* extent type indicator */ | ||
62 | __u8 seqno; /* extent sequence number */ | ||
63 | struct vtoc_cchh llimit; /* starting point of this extent */ | ||
64 | struct vtoc_cchh ulimit; /* ending point of this extent */ | ||
65 | } __attribute__ ((packed)); | ||
66 | |||
67 | struct vtoc_dev_const | ||
68 | { | ||
69 | __u16 DS4DSCYL; /* number of logical cyls */ | ||
70 | __u16 DS4DSTRK; /* number of tracks in a logical cylinder */ | ||
71 | __u16 DS4DEVTK; /* device track length */ | ||
72 | __u8 DS4DEVI; /* non-last keyed record overhead */ | ||
73 | __u8 DS4DEVL; /* last keyed record overhead */ | ||
74 | __u8 DS4DEVK; /* non-keyed record overhead differential */ | ||
75 | __u8 DS4DEVFG; /* flag byte */ | ||
76 | __u16 DS4DEVTL; /* device tolerance */ | ||
77 | __u8 DS4DEVDT; /* number of DSCB's per track */ | ||
78 | __u8 DS4DEVDB; /* number of directory blocks per track */ | ||
79 | } __attribute__ ((packed)); | ||
80 | |||
81 | struct vtoc_format1_label | ||
82 | { | ||
83 | char DS1DSNAM[44]; /* data set name */ | ||
84 | __u8 DS1FMTID; /* format identifier */ | ||
85 | char DS1DSSN[6]; /* data set serial number */ | ||
86 | __u16 DS1VOLSQ; /* volume sequence number */ | ||
87 | struct vtoc_labeldate DS1CREDT; /* creation date: ydd */ | ||
88 | struct vtoc_labeldate DS1EXPDT; /* expiration date */ | ||
89 | __u8 DS1NOEPV; /* number of extents on volume */ | ||
90 | __u8 DS1NOBDB; /* no. of bytes used in last direction blk */ | ||
91 | __u8 DS1FLAG1; /* flag 1 */ | ||
92 | char DS1SYSCD[13]; /* system code */ | ||
93 | struct vtoc_labeldate DS1REFD; /* date last referenced */ | ||
94 | __u8 DS1SMSFG; /* system managed storage indicators */ | ||
95 | __u8 DS1SCXTF; /* sec. space extension flag byte */ | ||
96 | __u16 DS1SCXTV; /* secondary space extension value */ | ||
97 | __u8 DS1DSRG1; /* data set organisation byte 1 */ | ||
98 | __u8 DS1DSRG2; /* data set organisation byte 2 */ | ||
99 | __u8 DS1RECFM; /* record format */ | ||
100 | __u8 DS1OPTCD; /* option code */ | ||
101 | __u16 DS1BLKL; /* block length */ | ||
102 | __u16 DS1LRECL; /* record length */ | ||
103 | __u8 DS1KEYL; /* key length */ | ||
104 | __u16 DS1RKP; /* relative key position */ | ||
105 | __u8 DS1DSIND; /* data set indicators */ | ||
106 | __u8 DS1SCAL1; /* secondary allocation flag byte */ | ||
107 | char DS1SCAL3[3]; /* secondary allocation quantity */ | ||
108 | struct vtoc_ttr DS1LSTAR; /* last used track and block on track */ | ||
109 | __u16 DS1TRBAL; /* space remaining on last used track */ | ||
110 | __u16 res1; /* reserved */ | ||
111 | struct vtoc_extent DS1EXT1; /* first extent description */ | ||
112 | struct vtoc_extent DS1EXT2; /* second extent description */ | ||
113 | struct vtoc_extent DS1EXT3; /* third extent description */ | ||
114 | struct vtoc_cchhb DS1PTRDS; /* possible pointer to f2 or f3 DSCB */ | ||
115 | } __attribute__ ((packed)); | ||
116 | |||
117 | struct vtoc_format4_label | ||
118 | { | ||
119 | char DS4KEYCD[44]; /* key code for VTOC labels: 44 times 0x04 */ | ||
120 | __u8 DS4IDFMT; /* format identifier */ | ||
121 | struct vtoc_cchhb DS4HPCHR; /* highest address of a format 1 DSCB */ | ||
122 | __u16 DS4DSREC; /* number of available DSCB's */ | ||
123 | struct vtoc_cchh DS4HCCHH; /* CCHH of next available alternate track */ | ||
124 | __u16 DS4NOATK; /* number of remaining alternate tracks */ | ||
125 | __u8 DS4VTOCI; /* VTOC indicators */ | ||
126 | __u8 DS4NOEXT; /* number of extents in VTOC */ | ||
127 | __u8 DS4SMSFG; /* system managed storage indicators */ | ||
128 | __u8 DS4DEVAC; /* number of alternate cylinders. | ||
129 | * Subtract from first two bytes of | ||
130 | * DS4DEVSZ to get number of usable | ||
131 | * cylinders. can be zero. valid | ||
132 | * only if DS4DEVAV on. */ | ||
133 | struct vtoc_dev_const DS4DEVCT; /* device constants */ | ||
134 | char DS4AMTIM[8]; /* VSAM time stamp */ | ||
135 | char DS4AMCAT[3]; /* VSAM catalog indicator */ | ||
136 | char DS4R2TIM[8]; /* VSAM volume/catalog match time stamp */ | ||
137 | char res1[5]; /* reserved */ | ||
138 | char DS4F6PTR[5]; /* pointer to first format 6 DSCB */ | ||
139 | struct vtoc_extent DS4VTOCE; /* VTOC extent description */ | ||
140 | char res2[10]; /* reserved */ | ||
141 | __u8 DS4EFLVL; /* extended free-space management level */ | ||
142 | struct vtoc_cchhb DS4EFPTR; /* pointer to extended free-space info */ | ||
143 | char res3[9]; /* reserved */ | ||
144 | } __attribute__ ((packed)); | ||
145 | |||
146 | struct vtoc_ds5ext | ||
147 | { | ||
148 | __u16 t; /* RTA of the first track of free extent */ | ||
149 | __u16 fc; /* number of whole cylinders in free ext. */ | ||
150 | __u8 ft; /* number of remaining free tracks */ | ||
151 | } __attribute__ ((packed)); | ||
152 | |||
153 | struct vtoc_format5_label | ||
154 | { | ||
155 | char DS5KEYID[4]; /* key identifier */ | ||
156 | struct vtoc_ds5ext DS5AVEXT; /* first available (free-space) extent. */ | ||
157 | struct vtoc_ds5ext DS5EXTAV[7]; /* seven available extents */ | ||
158 | __u8 DS5FMTID; /* format identifier */ | ||
159 | struct vtoc_ds5ext DS5MAVET[18]; /* eighteen available extents */ | ||
160 | struct vtoc_cchhb DS5PTRDS; /* pointer to next format5 DSCB */ | ||
161 | } __attribute__ ((packed)); | ||
162 | |||
163 | struct vtoc_ds7ext | ||
164 | { | ||
165 | __u32 a; /* starting RTA value */ | ||
166 | __u32 b; /* ending RTA value + 1 */ | ||
167 | } __attribute__ ((packed)); | ||
168 | |||
169 | struct vtoc_format7_label | ||
170 | { | ||
171 | char DS7KEYID[4]; /* key identifier */ | ||
172 | struct vtoc_ds7ext DS7EXTNT[5]; /* space for 5 extent descriptions */ | ||
173 | __u8 DS7FMTID; /* format identifier */ | ||
174 | struct vtoc_ds7ext DS7ADEXT[11]; /* space for 11 extent descriptions */ | ||
175 | char res1[2]; /* reserved */ | ||
176 | struct vtoc_cchhb DS7PTRDS; /* pointer to next FMT7 DSCB */ | ||
177 | } __attribute__ ((packed)); | ||
178 | |||
179 | struct vtoc_cms_label { | ||
180 | __u8 label_id[4]; /* Label identifier */ | ||
181 | __u8 vol_id[6]; /* Volid */ | ||
182 | __u16 version_id; /* Version identifier */ | ||
183 | __u32 block_size; /* Disk block size */ | ||
184 | __u32 origin_ptr; /* Disk origin pointer */ | ||
185 | __u32 usable_count; /* Number of usable cylinders/blocks */ | ||
186 | __u32 formatted_count; /* Maximum number of formatted cylinders/ | ||
187 | * blocks */ | ||
188 | __u32 block_count; /* Disk size in CMS blocks */ | ||
189 | __u32 used_count; /* Number of CMS blocks in use */ | ||
190 | __u32 fst_size; /* File Status Table (FST) size */ | ||
191 | __u32 fst_count; /* Number of FSTs per CMS block */ | ||
192 | __u8 format_date[6]; /* Disk FORMAT date */ | ||
193 | __u8 reserved1[2]; | ||
194 | __u32 disk_offset; /* Disk offset when reserved*/ | ||
195 | __u32 map_block; /* Allocation Map Block with next hole */ | ||
196 | __u32 hblk_disp; /* Displacement into HBLK data of next hole */ | ||
197 | __u32 user_disp; /* Displacement into user part of Allocation | ||
198 | * map */ | ||
199 | __u8 reserved2[4]; | ||
200 | __u8 segment_name[8]; /* Name of shared segment */ | ||
201 | } __attribute__ ((packed)); | ||
202 | |||
203 | #endif /* _ASM_S390_VTOC_H */ | ||