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2bd0ea18 | 1 | /* |
f302e9e4 NS |
2 | * Copyright (c) 2000-2005 Silicon Graphics, Inc. |
3 | * All Rights Reserved. | |
2bd0ea18 | 4 | * |
f302e9e4 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 NS |
7 | * published by the Free Software Foundation. |
8 | * | |
f302e9e4 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. | |
2bd0ea18 | 13 | * |
f302e9e4 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 | 17 | */ |
5e656dbb | 18 | |
2bd0ea18 NS |
19 | #ifndef __LIBXFS_H__ |
20 | #define __LIBXFS_H__ | |
21 | ||
6b803e5a CH |
22 | #include "libxfs_api_defs.h" |
23 | #include "platform_defs.h" | |
dcabd4e7 | 24 | #include "xfs.h" |
2bd0ea18 | 25 | |
6b803e5a CH |
26 | #include "list.h" |
27 | #include "hlist.h" | |
28 | #include "cache.h" | |
29 | #include "bitops.h" | |
30 | #include "kmem.h" | |
31 | #include "radix-tree.h" | |
32 | #include "atomic.h" | |
f1b058f9 | 33 | |
6b803e5a CH |
34 | #include "xfs_types.h" |
35 | #include "xfs_fs.h" | |
36 | #include "xfs_arch.h" | |
2d4bfb91 | 37 | |
6b803e5a CH |
38 | #include "xfs_shared.h" |
39 | #include "xfs_format.h" | |
40 | #include "xfs_log_format.h" | |
41 | #include "xfs_quota_defs.h" | |
42 | #include "xfs_trans_resv.h" | |
2d4bfb91 | 43 | |
b626fb59 DC |
44 | |
45 | /* CRC stuff, buffer API dependent on it */ | |
46 | extern uint32_t crc32_le(uint32_t crc, unsigned char const *p, size_t len); | |
47 | extern uint32_t crc32c_le(uint32_t crc, unsigned char const *p, size_t len); | |
48 | ||
49 | #define crc32(c,p,l) crc32_le((c),(unsigned char const *)(p),(l)) | |
50 | #define crc32c(c,p,l) crc32c_le((c),(unsigned char const *)(p),(l)) | |
51 | ||
6b803e5a | 52 | #include "xfs_cksum.h" |
b626fb59 DC |
53 | |
54 | /* | |
55 | * This mirrors the kernel include for xfs_buf.h - it's implicitly included in | |
56 | * every files via a similar include in the kernel xfs_linux.h. | |
57 | */ | |
6b803e5a CH |
58 | #include "libxfs_io.h" |
59 | ||
60 | #include "xfs_bit.h" | |
61 | #include "xfs_sb.h" | |
62 | #include "xfs_mount.h" | |
63 | #include "xfs_da_format.h" | |
64 | #include "xfs_da_btree.h" | |
65 | #include "xfs_dir2.h" | |
66 | #include "xfs_bmap_btree.h" | |
67 | #include "xfs_alloc_btree.h" | |
68 | #include "xfs_ialloc_btree.h" | |
69 | #include "xfs_attr_sf.h" | |
70 | #include "xfs_inode_fork.h" | |
71 | #include "xfs_inode_buf.h" | |
72 | #include "xfs_inode.h" | |
73 | #include "xfs_alloc.h" | |
74 | #include "xfs_btree.h" | |
75 | #include "xfs_btree_trace.h" | |
76 | #include "xfs_bmap.h" | |
77 | #include "xfs_trace.h" | |
78 | #include "xfs_trans.h" | |
cc085d77 | 79 | |
1167ddc4 AE |
80 | #ifndef ARRAY_SIZE |
81 | #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) | |
82 | #endif | |
2bd0ea18 | 83 | |
b391b7cd NS |
84 | #ifndef XFS_SUPER_MAGIC |
85 | #define XFS_SUPER_MAGIC 0x58465342 | |
86 | #endif | |
87 | ||
a580302f ES |
88 | #define xfs_isset(a,i) ((a)[(i)/(sizeof((a))*NBBY)] & (1<<((i)%(sizeof((a))*NBBY)))) |
89 | ||
2bd0ea18 NS |
90 | /* |
91 | * Argument structure for libxfs_init(). | |
92 | */ | |
93 | typedef struct { | |
dfc130f3 RC |
94 | /* input parameters */ |
95 | char *volname; /* pathname of volume */ | |
96 | char *dname; /* pathname of data "subvolume" */ | |
97 | char *logname; /* pathname of log "subvolume" */ | |
98 | char *rtname; /* pathname of realtime "subvolume" */ | |
99 | int isreadonly; /* filesystem is only read in applic */ | |
b74a1f6a | 100 | int isdirect; /* we can attempt to use direct I/O */ |
d0572de5 BN |
101 | int disfile; /* data "subvolume" is a regular file */ |
102 | int dcreat; /* try to create data subvolume */ | |
dfc130f3 RC |
103 | int lisfile; /* log "subvolume" is a regular file */ |
104 | int lcreat; /* try to create log subvolume */ | |
d0572de5 BN |
105 | int risfile; /* realtime "subvolume" is a reg file */ |
106 | int rcreat; /* try to create realtime subvolume */ | |
74668075 | 107 | int setblksize; /* attempt to set device blksize */ |
d0572de5 | 108 | int usebuflock; /* lock xfs_buf_t's - for MT usage */ |
dfc130f3 RC |
109 | /* output results */ |
110 | dev_t ddev; /* device for data subvolume */ | |
111 | dev_t logdev; /* device for log subvolume */ | |
112 | dev_t rtdev; /* device for realtime subvolume */ | |
113 | long long dsize; /* size of data subvolume (BBs) */ | |
114 | long long logBBsize; /* size of log subvolume (BBs) */ | |
115 | /* (blocks allocated for use as | |
116 | * log is stored in mount structure) */ | |
74668075 NS |
117 | long long logBBstart; /* start block of log subvolume (BBs) */ |
118 | long long rtsize; /* size of realtime subvolume (BBs) */ | |
119 | int dbsize; /* data subvolume device blksize */ | |
120 | int lbsize; /* log subvolume device blksize */ | |
121 | int rtbsize; /* realtime subvolume device blksize */ | |
dfc130f3 RC |
122 | int dfd; /* data subvolume file descriptor */ |
123 | int logfd; /* log subvolume file descriptor */ | |
124 | int rtfd; /* realtime subvolume file descriptor */ | |
ba9ecd40 DC |
125 | int icache_flags; /* cache init flags */ |
126 | int bcache_flags; /* cache init flags */ | |
2bd0ea18 NS |
127 | } libxfs_init_t; |
128 | ||
9440d84d NS |
129 | #define LIBXFS_EXIT_ON_FAILURE 0x0001 /* exit the program if a call fails */ |
130 | #define LIBXFS_ISREADONLY 0x0002 /* disallow all mounted filesystems */ | |
131 | #define LIBXFS_ISINACTIVE 0x0004 /* allow mounted only if mounted ro */ | |
7eb6693f NS |
132 | #define LIBXFS_DANGEROUSLY 0x0008 /* repairing a device mounted ro */ |
133 | #define LIBXFS_EXCLUSIVELY 0x0010 /* disallow other accesses (O_EXCL) */ | |
b74a1f6a | 134 | #define LIBXFS_DIRECT 0x0020 /* can use direct I/O, not buffered */ |
2bd0ea18 NS |
135 | |
136 | extern char *progname; | |
7d77349c | 137 | extern xfs_lsn_t libxfs_max_lsn; |
2bd0ea18 | 138 | extern int libxfs_init (libxfs_init_t *); |
f1b058f9 | 139 | extern void libxfs_destroy (void); |
2bd0ea18 | 140 | extern int libxfs_device_to_fd (dev_t); |
c5907b96 | 141 | extern dev_t libxfs_device_open (char *, int, int, int); |
2bd0ea18 | 142 | extern void libxfs_device_close (dev_t); |
b74a1f6a | 143 | extern int libxfs_device_alignment (void); |
b6281496 | 144 | extern void libxfs_report(FILE *); |
fd5eda53 | 145 | extern void platform_findsizes(char *path, int fd, long long *sz, int *bsz); |
12b55baf | 146 | extern int platform_nproc(void); |
2bd0ea18 NS |
147 | |
148 | /* check or write log footer: specify device, log size in blocks & uuid */ | |
d60ba955 | 149 | typedef char *(libxfs_get_block_t)(char *, int, void *); |
989b74bc | 150 | |
0c12ba5f BF |
151 | /* |
152 | * Helpers to clear the log to a particular log cycle. | |
153 | */ | |
154 | #define XLOG_INIT_CYCLE 1 | |
1c12a814 | 155 | extern int libxfs_log_clear(struct xfs_buftarg *, char *, xfs_daddr_t, |
571a78a7 | 156 | uint, uuid_t *, int, int, int, int, bool); |
0c12ba5f BF |
157 | extern int libxfs_log_header(char *, uuid_t *, int, int, int, xfs_lsn_t, |
158 | xfs_lsn_t, libxfs_get_block_t *, void *); | |
989b74bc | 159 | |
75c8b434 | 160 | |
5e656dbb BN |
161 | /* Shared utility routines */ |
162 | extern unsigned int libxfs_log2_roundup(unsigned int i); | |
2bd0ea18 | 163 | |
b626fb59 | 164 | extern int libxfs_alloc_file_space (struct xfs_inode *, xfs_off_t, |
2bd0ea18 | 165 | xfs_off_t, int, int); |
5e656dbb | 166 | extern int libxfs_bmap_finish(xfs_trans_t **, xfs_bmap_free_t *, int *); |
2bd0ea18 | 167 | |
5e656dbb BN |
168 | extern void libxfs_fs_repair_cmn_err(int, struct xfs_mount *, char *, ...); |
169 | extern void libxfs_fs_cmn_err(int, struct xfs_mount *, char *, ...); | |
2bd0ea18 | 170 | |
b626fb59 DC |
171 | /* XXX: this is messy and needs fixing */ |
172 | #ifndef __LIBXFS_INTERNAL_XFS_H__ | |
1552a820 NS |
173 | extern void cmn_err(int, char *, ...); |
174 | enum ce { CE_DEBUG, CE_CONT, CE_NOTE, CE_WARN, CE_ALERT, CE_PANIC }; | |
b626fb59 | 175 | #endif |
f302e9e4 | 176 | |
cb5b3ef4 | 177 | |
2556c98b BN |
178 | extern int libxfs_nproc(void); |
179 | extern unsigned long libxfs_physmem(void); /* in kilobytes */ | |
cb5b3ef4 | 180 | |
6b803e5a | 181 | #include "xfs_ialloc.h" |
f302e9e4 | 182 | |
6b803e5a CH |
183 | #include "xfs_attr_leaf.h" |
184 | #include "xfs_attr_remote.h" | |
185 | #include "xfs_trans_space.h" | |
f302e9e4 | 186 | |
5e656dbb BN |
187 | #define XFS_INOBT_IS_FREE_DISK(rp,i) \ |
188 | ((be64_to_cpu((rp)->ir_free) & XFS_INOBT_MASK(i)) != 0) | |
56b2de80 | 189 | |
c749bd55 BF |
190 | static inline bool |
191 | xfs_inobt_is_sparse_disk( | |
192 | struct xfs_inobt_rec *rp, | |
193 | int offset) | |
194 | { | |
195 | int spshift; | |
196 | uint16_t holemask; | |
197 | ||
198 | holemask = be16_to_cpu(rp->ir_u.sp.ir_holemask); | |
199 | spshift = offset / XFS_INODES_PER_HOLEMASK_BIT; | |
200 | if ((1 << spshift) & holemask) | |
201 | return true; | |
202 | ||
203 | return false; | |
204 | } | |
205 | ||
ff105f75 DC |
206 | static inline void |
207 | libxfs_bmbt_disk_get_all( | |
208 | struct xfs_bmbt_rec *rp, | |
209 | struct xfs_bmbt_irec *irec) | |
210 | { | |
211 | struct xfs_bmbt_rec_host hrec; | |
212 | ||
fb36a55d ES |
213 | hrec.l0 = get_unaligned_be64(&rp->l0); |
214 | hrec.l1 = get_unaligned_be64(&rp->l1); | |
ff105f75 DC |
215 | libxfs_bmbt_get_all(&hrec, irec); |
216 | } | |
5e656dbb | 217 | |
f616e2bf | 218 | /* XXX: this is clearly a bug - a shared header needs to export this */ |
5e656dbb BN |
219 | /* xfs_rtalloc.c */ |
220 | int libxfs_rtfree_extent(struct xfs_trans *, xfs_rtblock_t, xfs_extlen_t); | |
221 | ||
e515cca1 DC |
222 | /* XXX: need parts of xfs_attr.h in userspace */ |
223 | #define LIBXFS_ATTR_ROOT 0x0002 /* use attrs in root namespace */ | |
224 | #define LIBXFS_ATTR_SECURE 0x0008 /* use attrs in security namespace */ | |
225 | #define LIBXFS_ATTR_CREATE 0x0010 /* create, but fail if attr exists */ | |
226 | #define LIBXFS_ATTR_REPLACE 0x0020 /* set, but fail if attr not exists */ | |
227 | ||
228 | int xfs_attr_remove(struct xfs_inode *dp, const unsigned char *name, int flags); | |
229 | int xfs_attr_set(struct xfs_inode *dp, const unsigned char *name, | |
230 | unsigned char *value, int valuelen, int flags); | |
231 | ||
2bd0ea18 | 232 | #endif /* __LIBXFS_H__ */ |