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33 * @(#)dump.h 8.2 (Berkeley) 4/28/95
35 * $FreeBSD: src/sbin/dump/dump.h,v 1.7.6.4 2003/01/25 18:54:59 dillon Exp $
36 * $DragonFly: src/sbin/dump/dump.h,v 1.2 2003/06/17 04:27:32 dillon Exp $
39 #define MAXINOPB (MAXBSIZE / sizeof(struct dinode))
40 #define MAXNINDIR (MAXBSIZE / sizeof(daddr_t))
43 * Dump maps used to describe what is to be dumped.
45 int mapsize; /* size of the state maps */
46 char *usedinomap; /* map of allocated inodes */
47 char *dumpdirmap; /* map of directories to be dumped */
48 char *dumpinomap; /* map of files to be dumped */
50 * Map manipulation macros.
52 #define SETINO(ino, map) \
53 map[(u_int)((ino) - 1) / NBBY] |= 1 << ((u_int)((ino) - 1) % NBBY)
54 #define CLRINO(ino, map) \
55 map[(u_int)((ino) - 1) / NBBY] &= ~(1 << ((u_int)((ino) - 1) % NBBY))
56 #define TSTINO(ino, map) \
57 (map[(u_int)((ino) - 1) / NBBY] & (1 << ((u_int)((ino) - 1) % NBBY)))
60 * All calculations done in 0.1" units!
62 char *disk; /* name of the disk file */
63 char *tape; /* name of the tape file */
64 char *dumpdates; /* name of the file containing dump date information*/
65 char *temp; /* name of the file for doing rewrite of dumpdates */
66 char lastlevel; /* dump level of previous dump */
67 char level; /* dump level of this dump */
68 int uflag; /* update flag */
69 int diskfd; /* disk file descriptor */
70 int tapefd; /* tape file descriptor */
71 int pipeout; /* true => output to standard output */
72 ino_t curino; /* current inumber; used globally */
73 int newtape; /* new tape flag */
74 int density; /* density in 0.1" units */
75 long tapesize; /* estimated tape size, blocks */
76 long tsize; /* tape size in 0.1" units */
77 long asize; /* number of 0.1" units written on current tape */
78 int etapes; /* estimated number of tapes */
79 int nonodump; /* if set, do not honor UF_NODUMP user flags */
80 int unlimited; /* if set, write to end of medium */
81 int cachesize; /* size of block cache */
83 int notify; /* notify operator flag */
84 int blockswritten; /* number of blocks written on current tape */
85 int tapeno; /* current tape number */
86 time_t tstart_writing; /* when started writing the first tape block */
87 time_t tend_writing; /* after writing the last tape block */
88 int passno; /* current dump pass number */
89 struct fs *sblock; /* the file system super block */
90 char sblock_buf[MAXBSIZE];
91 long dev_bsize; /* block size of underlying disk device */
92 int dev_bshift; /* log2(dev_bsize) */
93 int tp_bshift; /* log2(TP_BSIZE) */
96 #include <sys/cdefs.h>
99 /* operator interface functions */
100 void broadcast __P((char *message));
101 void infosch __P((int));
102 void lastdump __P((int arg)); /* int should be char */
103 void msg __P((const char *fmt, ...)) __printflike(1, 2);
104 void msgtail __P((const char *fmt, ...)) __printflike(1, 2);
105 int query __P((char *question));
106 void quit __P((const char *fmt, ...)) __printflike(1, 2);
107 void timeest __P((void));
108 time_t unctime __P((char *str));
110 /* mapping rouintes */
112 long blockest __P((struct dinode *dp));
113 int mapfiles __P((ino_t maxino, long *tapesize));
114 int mapdirs __P((ino_t maxino, long *tapesize));
116 /* file dumping routines */
117 void blksout __P((daddr_t *blkp, int frags, ino_t ino));
118 void bread __P((daddr_t blkno, char *buf, int size));
119 void dumpino __P((struct dinode *dp, ino_t ino));
120 void dumpmap __P((char *map, int type, ino_t ino));
121 void writeheader __P((ino_t ino));
123 /* tape writing routines */
124 int alloctape __P((void));
125 void close_rewind __P((void));
126 void dumpblock __P((daddr_t blkno, int size));
127 void startnewtape __P((int top));
128 void trewind __P((void));
129 void writerec __P((char *dp, int isspcl));
131 void Exit __P((int status)) __dead2;
132 void dumpabort __P((int signo));
133 void getfstab __P((void));
135 char *rawname __P((char *cp));
136 struct dinode *getino __P((ino_t inum));
140 void rmtclose __P((void));
141 int rmthost __P((char *host));
142 int rmtopen __P((char *tape, int mode));
143 int rmtwrite __P((char *buf, int count));
146 void interrupt __P((int signo)); /* in case operator bangs on console */
151 #define X_FINOK 0 /* normal exit */
152 #define X_STARTUP 1 /* startup error */
153 #define X_REWRITE 2 /* restart writing from the check point */
154 #define X_ABORT 3 /* abort dump; don't attempt checkpointing */
156 #define OPGRENT "operator" /* group entry to notify */
158 struct fstab *fstabsearch __P((char *key)); /* search fs_file and fs_spec */
165 * The contents of the file _PATH_DUMPDATES is maintained both on
166 * a linked list, and then (eventually) arrayified.
169 char dd_name[NAME_MAX+3];
173 int nddates; /* number of records (might be zero) */
174 int ddates_in; /* we have read the increment file */
175 struct dumpdates **ddatev; /* the arrayfied version */
176 void initdumptimes __P((void));
177 void getdumptime __P((void));
178 void putdumptime __P((void));
179 #define ITITERATE(i, ddp) \
180 for (ddp = ddatev[i = 0]; i < nddates; ddp = ddatev[++i])
182 void sig __P((int signo));
185 * Compatibility with old systems.
188 #include <sys/file.h>
189 #define strchr(a,b) index(a,b)
190 #define strrchr(a,b) rindex(a,b)
191 extern char *strdup(), *ctime();
192 extern int read(), write();
197 #define _PATH_UTMP "/etc/utmp"
200 #define _PATH_FSTAB "/etc/fstab"
204 extern char *calloc();
205 extern char *malloc();
207 extern char *strcpy();
208 extern char *strncpy();
209 extern char *strcat();
210 extern time_t time();
211 extern void endgrent();
213 extern off_t lseek();
214 extern const char *strerror();