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