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Commit | Line | Data |
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2bd0ea18 | 1 | /* |
da23017d NS |
2 | * Copyright (c) 2000-2001,2005 Silicon Graphics, Inc. |
3 | * All Rights Reserved. | |
dfc130f3 | 4 | * |
da23017d NS |
5 | * This program is free software; you can redistribute it and/or |
6 | * modify it under the terms of the GNU General Public License as | |
2bd0ea18 | 7 | * published by the Free Software Foundation. |
dfc130f3 | 8 | * |
da23017d NS |
9 | * This program is distributed in the hope that it would be useful, |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
dfc130f3 | 13 | * |
da23017d NS |
14 | * You should have received a copy of the GNU General Public License |
15 | * along with this program; if not, write the Free Software Foundation, | |
16 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
2bd0ea18 NS |
17 | */ |
18 | ||
6b803e5a | 19 | #include "libxfs.h" |
2bd0ea18 | 20 | #include "command.h" |
2bd0ea18 NS |
21 | #include "type.h" |
22 | #include "faddr.h" | |
23 | #include "fprint.h" | |
24 | #include "field.h" | |
25 | #include "io.h" | |
26 | #include "bit.h" | |
27 | #include "output.h" | |
4ca431fc | 28 | #include "init.h" |
28d8e155 | 29 | #include "agf.h" |
2bd0ea18 NS |
30 | |
31 | static int agf_f(int argc, char **argv); | |
32 | static void agf_help(void); | |
33 | ||
34 | static const cmdinfo_t agf_cmd = | |
9ee7055c AM |
35 | { "agf", NULL, agf_f, 0, 1, 1, N_("[agno]"), |
36 | N_("set address to agf header"), agf_help }; | |
2bd0ea18 NS |
37 | |
38 | const field_t agf_hfld[] = { | |
39 | { "", FLDT_AGF, OI(0), C1, 0, TYP_NONE }, | |
40 | { NULL } | |
41 | }; | |
42 | ||
43 | #define OFF(f) bitize(offsetof(xfs_agf_t, agf_ ## f)) | |
44 | #define SZ(f) bitszof(xfs_agf_t, agf_ ## f) | |
45 | const field_t agf_flds[] = { | |
46 | { "magicnum", FLDT_UINT32X, OI(OFF(magicnum)), C1, 0, TYP_NONE }, | |
47 | { "versionnum", FLDT_UINT32D, OI(OFF(versionnum)), C1, 0, TYP_NONE }, | |
48 | { "seqno", FLDT_AGNUMBER, OI(OFF(seqno)), C1, 0, TYP_NONE }, | |
49 | { "length", FLDT_AGBLOCK, OI(OFF(length)), C1, 0, TYP_NONE }, | |
50 | { "roots", FLDT_AGBLOCK, OI(OFF(roots)), CI(XFS_BTNUM_AGF), | |
51 | FLD_ARRAY|FLD_SKIPALL, TYP_NONE }, | |
52 | { "bnoroot", FLDT_AGBLOCK, | |
53 | OI(OFF(roots) + XFS_BTNUM_BNO * SZ(roots[XFS_BTNUM_BNO])), C1, 0, | |
54 | TYP_BNOBT }, | |
55 | { "cntroot", FLDT_AGBLOCK, | |
56 | OI(OFF(roots) + XFS_BTNUM_CNT * SZ(roots[XFS_BTNUM_CNT])), C1, 0, | |
57 | TYP_CNTBT }, | |
a9d7b986 DW |
58 | { "rmaproot", FLDT_AGBLOCKNZ, |
59 | OI(OFF(roots) + XFS_BTNUM_RMAP * SZ(roots[XFS_BTNUM_RMAP])), C1, 0, | |
60 | TYP_RMAPBT }, | |
2bd0ea18 NS |
61 | { "levels", FLDT_UINT32D, OI(OFF(levels)), CI(XFS_BTNUM_AGF), |
62 | FLD_ARRAY|FLD_SKIPALL, TYP_NONE }, | |
63 | { "bnolevel", FLDT_UINT32D, | |
64 | OI(OFF(levels) + XFS_BTNUM_BNO * SZ(levels[XFS_BTNUM_BNO])), C1, 0, | |
65 | TYP_NONE }, | |
66 | { "cntlevel", FLDT_UINT32D, | |
67 | OI(OFF(levels) + XFS_BTNUM_CNT * SZ(levels[XFS_BTNUM_CNT])), C1, 0, | |
68 | TYP_NONE }, | |
a9d7b986 DW |
69 | { "rmaplevel", FLDT_UINT32D, |
70 | OI(OFF(levels) + XFS_BTNUM_RMAP * SZ(levels[XFS_BTNUM_RMAP])), C1, 0, | |
71 | TYP_NONE }, | |
72 | { "rmapblocks", FLDT_UINT32D, | |
73 | OI(OFF(rmap_blocks)), C1, 0, | |
74 | TYP_NONE }, | |
2bd0ea18 NS |
75 | { "flfirst", FLDT_UINT32D, OI(OFF(flfirst)), C1, 0, TYP_NONE }, |
76 | { "fllast", FLDT_UINT32D, OI(OFF(fllast)), C1, 0, TYP_NONE }, | |
77 | { "flcount", FLDT_UINT32D, OI(OFF(flcount)), C1, 0, TYP_NONE }, | |
78 | { "freeblks", FLDT_EXTLEN, OI(OFF(freeblks)), C1, 0, TYP_NONE }, | |
79 | { "longest", FLDT_EXTLEN, OI(OFF(longest)), C1, 0, TYP_NONE }, | |
cdded3d8 | 80 | { "btreeblks", FLDT_UINT32D, OI(OFF(btreeblks)), C1, 0, TYP_NONE }, |
c2907bd7 DC |
81 | { "uuid", FLDT_UUID, OI(OFF(uuid)), C1, 0, TYP_NONE }, |
82 | { "lsn", FLDT_UINT64X, OI(OFF(lsn)), C1, 0, TYP_NONE }, | |
0522f1cc | 83 | { "crc", FLDT_CRC, OI(OFF(crc)), C1, 0, TYP_NONE }, |
2bd0ea18 NS |
84 | { NULL } |
85 | }; | |
86 | ||
87 | static void | |
88 | agf_help(void) | |
89 | { | |
9ee7055c | 90 | dbprintf(_( |
2bd0ea18 NS |
91 | "\n" |
92 | " set allocation group free block list\n" | |
93 | "\n" | |
94 | " Example:\n" | |
95 | "\n" | |
96 | " agf 2 - move location to AGF in 2nd filesystem allocation group\n" | |
97 | "\n" | |
9440d84d NS |
98 | " Located in the second sector of each allocation group, the AGF\n" |
99 | " contains the root of two different freespace btrees:\n" | |
2bd0ea18 NS |
100 | " The 'cnt' btree keeps track freespace indexed on section size.\n" |
101 | " The 'bno' btree tracks sections of freespace indexed on block number.\n" | |
9ee7055c | 102 | )); |
2bd0ea18 NS |
103 | } |
104 | ||
105 | static int | |
106 | agf_f( | |
107 | int argc, | |
108 | char **argv) | |
109 | { | |
110 | xfs_agnumber_t agno; | |
111 | char *p; | |
112 | ||
113 | if (argc > 1) { | |
114 | agno = (xfs_agnumber_t)strtoul(argv[1], &p, 0); | |
115 | if (*p != '\0' || agno >= mp->m_sb.sb_agcount) { | |
9ee7055c | 116 | dbprintf(_("bad allocation group number %s\n"), argv[1]); |
2bd0ea18 NS |
117 | return 0; |
118 | } | |
119 | cur_agno = agno; | |
120 | } else if (cur_agno == NULLAGNUMBER) | |
121 | cur_agno = 0; | |
122 | ASSERT(typtab[TYP_AGF].typnm == TYP_AGF); | |
9440d84d NS |
123 | set_cur(&typtab[TYP_AGF], |
124 | XFS_AG_DADDR(mp, cur_agno, XFS_AGF_DADDR(mp)), | |
125 | XFS_FSS_TO_BB(mp, 1), DB_RING_ADD, NULL); | |
2bd0ea18 NS |
126 | return 0; |
127 | } | |
128 | ||
129 | void | |
130 | agf_init(void) | |
131 | { | |
132 | add_command(&agf_cmd); | |
133 | } | |
134 | ||
135 | int | |
136 | agf_size( | |
137 | void *obj, | |
138 | int startoff, | |
139 | int idx) | |
140 | { | |
141 | return bitize(mp->m_sb.sb_sectsize); | |
142 | } |