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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Copyright (c) 1980 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*/
#ifndef _DUMP_H
#define _DUMP_H
#include <stdio.h>
#include <locale.h>
#include <sys/types.h>
#include <ctype.h>
#include <string.h>
#include <syslog.h>
#include <errno.h>
#include <fcntl.h>
#include <utmpx.h>
#include <signal.h>
#include <stdlib.h>
#include <time.h>
#include <sys/param.h> /* for MAXBSIZE */
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/wait.h>
#include <sys/vnode.h> /* needed by inode.h */
#include <setjmp.h>
#include <sys/mman.h>
#include <assert.h>
#include <dumpusg.h>
#include <kstat.h>
#include <sys/fssnap_if.h>
#include <libgen.h>
#include <limits.h>
#ifdef __cplusplus
extern "C" {
#endif
#define SUPPORTS_MTB_TAPE_FORMAT
#include <protocols/dumprestore.h>
#include <memutils.h>
#include <note.h>
#define NI 16
#define MAXINOPB (MAXBSIZE / sizeof (struct dinode))
#define MAXNINDIR (MAXBSIZE / sizeof (daddr32_t))
#ifndef roundup
#define roundup(x, y) ((((x)+((y)-1))/(y))*(y))
#endif
#ifndef MIN
#define MIN(a, b) (((a) < (b)) ? (a) : (b))
#endif
#ifndef MAX
#define MAX(a, b) (((a) > (b)) ? (a) : (b))
#endif
/*
* Define an overflow-free version of howmany so that we don't
* run into trouble with large files.
*/
#define d_howmany(x, y) ((x) / (y) + ((x) % (y) != 0))
#define MWORD(m, i) (m[(ino_t)(i-1)/NBBY])
#define MBIT(i) ((1<<((ino_t)(i-1)%NBBY))&0xff)
#define BIS(i, w) (MWORD(w, i) |= MBIT(i))
#define BIC(i, w) (MWORD(w, i) &= ~MBIT(i))
#define BIT(i, w) (MWORD(w, i) & MBIT(i))
extern uint_t msiz;
extern uchar_t *clrmap;
extern uchar_t *dirmap;
extern uchar_t *filmap;
extern uchar_t *nodmap;
extern uchar_t *shamap;
extern uchar_t *activemap;
/*
* All calculations done in 0.1" units!
*/
extern char *disk; /* name of the disk file */
extern char *dname; /* name to put in /etc/dumpdates */
extern int disk_dynamic; /* true if disk refers to dynamic storage */
extern char *tape; /* name of the tape file */
extern char *host; /* name of the remote tape host (may be "user@host") */
extern char *dumpdev; /* hostname:device for current volume */
extern char *sdumpdev; /* short form of dumpdev (no user name if remote) */
extern char *increm; /* name of file containing incremental information */
extern char *filesystem; /* name of the file system */
extern char *myname; /* argv[0] without leading path components */
extern char lastincno; /* increment number of previous dump */
extern char incno; /* increment number */
extern char *tlabel; /* what goes in tape header c_label field */
extern int uflag; /* update flag */
extern int fi; /* disk file descriptor */
extern int to; /* tape file descriptor */
extern int mapfd; /* block disk device descriptor for mmap */
extern int pipeout; /* true => output to standard output */
extern int tapeout; /* true => output to a tape drive */
extern ino_t ino; /* current inumber; used globally */
extern off_t pos; /* starting offset within ino; used globally */
extern int leftover; /* number of tape recs left over from prev vol */
extern int nsubdir; /* counts subdirs, for deciding to dump a dir */
extern int newtape; /* new tape flag */
extern int nadded; /* number of added sub directories */
extern int dadded; /* directory added flag */
extern int density; /* density in 0.1" units */
extern ulong_t tsize; /* tape size in 0.1" units */
extern u_offset_t esize; /* estimated tape size, blocks */
extern u_offset_t o_esize; /* number of header blocks (overhead) */
extern u_offset_t f_esize; /* number of TP_BSIZE blocks for files/maps */
extern uint_t etapes; /* estimated number of tapes */
extern uint_t ntrec; /* 1K records per tape block */
extern int tenthsperirg; /* 1/10" per tape inter-record gap */
extern dev_t partial_dev; /* id of BLOCK device used in partial mode */
extern pid_t dumppid; /* process-ID of top-level process */
extern int verify; /* verify each volume */
extern int doingverify; /* true => doing a verify pass */
extern int active; /* recopy active files */
extern int doingactive; /* true => redumping active files */
extern int archive; /* true => saving a archive in archivefile */
extern char *archivefile; /* name of archivefile */
extern int archive_opened; /* have opened/created the archivefile */
extern int notify; /* notify operator flag */
extern int diskette; /* true if dumping to a diskette */
extern int cartridge; /* true if dumping to a cartridge tape */
extern uint_t tracks; /* number of tracks on a cartridge tape */
extern int printsize; /* just print estimated size and exit */
extern int offline; /* take tape offline after rewinding */
extern int autoload; /* wait for next tape to autoload; implies offline */
extern int autoload_tries; /* number of times to check on autoload */
extern int autoload_period; /* seconds, tries*period = total wait time */
extern int doposition; /* move to specified... */
extern daddr32_t filenum; /* position of dump on 1st volume */
extern int dumpstate; /* dump output state (see below) */
extern int dumptoarchive; /* mark records to be archived */
extern int blockswritten; /* number of blocks written on current tape */
extern uint_t tapeno; /* current tape number */
extern struct fs *sblock; /* the file system super block */
extern int shortmeta; /* current file has small amount of metadata */
extern union u_shadow c_shadow_save[1];
extern time_t *telapsed; /* time spent writing previous tapes */
extern time_t *tstart_writing; /* when we started writing the latest tape */
extern time_t *tschedule; /* when next to give a remaining-time estimate */
extern char *debug_chdir; /* non-NULL means to mkdir this/pid, */
/* and chdir there, once for each separate child */
/*
* Defines for the msec part of
* inode-based times, since we're
* not part of the kernel.
*/
#define di_atspare di_ic.ic_atspare
#define di_mtspare di_ic.ic_mtspare
#define di_ctspare di_ic.ic_ctspare
#define HOUR (60L*60L)
#define DAY (24L*HOUR)
#define YEAR (365L*DAY)
/*
* Dump output states
*/
#define DS_INIT 0
#define DS_START 1
#define DS_CLRI 2
#define DS_BITS 3
#define DS_DIRS 4
#define DS_FILES 5
#define DS_END 6
#define DS_DONE 7
/*
* Exit status codes
*/
#define X_FINOK 0 /* normal exit */
#define X_REWRITE 2 /* restart writing from the check point */
#define X_ABORT 3 /* abort all of dump; no checkpoint restart */
#define X_VERIFY 4 /* verify the reel just written */
#define X_RESTART 5 /* abort all progress so far; attempt restart */
#define NINCREM "/etc/dumpdates" /* new format incremental info */
#define TAPE "/dev/rmt/0b" /* default tape device */
#define OPGRENT "sys" /* group entry to notify */
#define DIALUP "ttyd" /* prefix for dialups */
#define DISKETTE "/dev/rfd0c"
#define NBUF 64 /* number of output buffers */
#define MAXNTREC 256 /* max tape blocking factor (in Kb) */
/*
* The contents of the file NINCREM are maintained both on
* a linked list and then (eventually) arrayified.
*/
struct idates {
char id_name[MAXNAMLEN+3];
char id_incno;
time32_t id_ddate;
};
extern size_t nidates; /* number of records (might be zero) */
extern struct idates **idatev; /* the arrayfied version */
#define ITITERATE(i, ip) \
for (i = 0; i < nidates && (ip = idatev[i]) != NULL; i++)
/*
* Function declarations
*/
#ifdef __STDC__
/*
* dumpfstab.c
*/
extern void mnttabread(void);
extern struct mntent *mnttabsearch(char *, int);
extern void setmnttab(void);
extern struct mntent *getmnttab(void);
/*
* dumpitime.c
*/
extern char *prdate(time_t);
extern void inititimes(void);
extern void getitime(void);
extern void putitime(void);
extern void est(struct dinode *);
extern time32_t is_fssnap_dump(char *);
extern void bmapest(uchar_t *);
/*
* dumplabel.c
*/
extern void getlabel(void);
/*
* dumpmain.c
*/
extern void child_chdir(void);
extern char *unrawname(char *);
extern void sigAbort(int);
extern char *rawname(char *);
extern char *lf_rawname(char *);
extern time32_t timeclock(time32_t);
#ifdef signal
extern void (*nsignal(int, void (*)(int)))(int);
#endif
extern int safe_file_open(const char *file, int mode, int perms);
extern int safe_device_open(const char *file, int mode, int perms);
extern FILE *safe_fopen(const char *filename, const char *smode, int perms);
/*
* dumponline.c
*/
extern void allocino(void);
extern void freeino(void);
extern void saveino(ino_t, struct dinode *);
extern void resetino(ino_t);
extern long getigen(ino_t);
extern int lf_ismounted(char *, char *);
extern int isoperator(uid_t, gid_t);
extern int lockfs(char *, char *);
extern int openi(ino_t, long, char *);
extern caddr_t mapfile(int, off_t, off_t, int);
extern void unmapfile(void);
extern void stattoi(struct stat *, struct dinode *);
extern void dumpfile(int, caddr_t, off_t, off_t, off_t, int, int);
extern void activepass(void);
/*
* dumpoptr.c
*/
extern int query(char *);
extern int query_once(char *, int);
extern void interrupt(int);
extern void broadcast(char *);
extern void timeest(int, int);
/*PRINTFLIKE1*/
extern void msg(const char *, ...);
/*PRINTFLIKE1*/
extern void msgtail(const char *, ...);
extern void lastdump(int);
extern char *getresponse(char *, char *);
/*
* dumptape.c
*/
extern void alloctape(void);
extern void reset(void);
extern void spclrec(void);
extern void taprec(uchar_t *, int, int);
extern void dmpblk(daddr32_t, size_t, off_t);
extern void toslave(void (*)(ino_t), ino_t);
extern void doinode(ino_t);
extern void dospcl(ino_t);
extern void flushcmds(void);
extern void flusht(void);
extern void nextdevice(void);
extern int isrewind(int);
extern void trewind(void);
extern void close_rewind(void);
extern void changevol(void);
extern void otape(int);
extern void dumpabort(void);
extern void dumpailing(void);
extern void Exit(int);
extern void positiontape(char *);
/*
* dumptraverse.c
*/
extern void pass(void (*)(struct dinode *), uchar_t *);
extern void mark(struct dinode *);
extern void active_mark(struct dinode *);
extern void markshad(struct dinode *);
extern void estshad(struct dinode *);
extern void freeshad();
extern void add(struct dinode *);
extern void dirdump(struct dinode *);
extern void dump(struct dinode *);
extern void lf_dump(struct dinode *);
extern void dumpblocks(ino_t);
extern void bitmap(uchar_t *, int);
extern struct dinode *getino(ino_t);
extern void bread(diskaddr_t, uchar_t *, size_t);
extern int hasshortmeta(struct dinode **ip);
/*
* lftw.c
*/
extern int lftw(const char *,
int (*)(const char *, const struct stat *, int), int);
extern int lf_lftw(const char *,
int (*)(const char *, const struct stat64 *, int), int);
/*
* partial.c
*/
extern void partial_check(void);
extern void lf_partial_check(void);
extern int partial_mark(int, char **);
/*
* unctime.c
*/
extern time_t unctime(char *);
#else /* !STDC */
/*
* dumpfstab.c
*/
extern void mnttabread();
extern struct mntent *mnttabsearch();
extern void setmnttab();
extern struct mntent *getmnttab();
/*
* dumpitime.c
*/
extern char *prdate();
extern void inititimes();
extern void getitime();
extern void putitime();
extern void est();
extern time32_t is_fssnap_dump();
extern void bmapest();
/*
* dumplabel.c
*/
extern void getlabel();
/*
* dumpmain.c
*/
extern void child_chdir();
extern char *unrawname();
extern void sigAbort();
extern char *rawname();
extern char *lf_rawname();
extern time_t timeclock();
#ifdef signal
extern void nsignal();
#endif
extern int safe_file_open();
extern int safe_device_open();
extern FILE *safe_fopen();
/*
* dumponline.c
*/
extern void allocino();
extern void freeino();
extern void saveino();
extern void resetino();
extern long getigen();
extern int lf_ismounted();
extern int isoperator();
extern ulong_t lockfs();
extern int openi();
extern caddr_t mapfile();
extern void unmapfile();
extern void stattoi();
extern void dumpfile();
extern void activepass();
/*
* dumpoptr.c
*/
extern int query();
extern int query_once();
extern void interrupt();
extern void broadcast();
extern void timeest();
extern void msg();
extern void msgtail();
extern void lastdump();
extern char *getresponse();
/*
* dumptape.c
*/
extern void alloctape();
extern void reset();
extern void spclrec();
extern void taprec();
extern void dmpblk();
extern void toslave();
extern void doinode();
extern void dospcl();
extern void flushcmds();
extern void flusht();
extern void nextdevice();
extern int isrewind();
extern void trewind();
extern void close_rewind();
extern void changevol();
extern void otape();
extern void dumpabort();
extern void dumpailing();
extern void Exit();
extern void positiontape();
/*
* dumptraverse.c
*/
extern void pass();
extern void mark();
extern void active_mark();
extern void markshad();
extern void estshad();
extern void freeshad();
extern void add();
extern void dirdump();
extern void dump();
extern void lf_dump();
extern void dumpblocks();
extern void bitmap();
extern struct dinode *getino();
extern void bread();
extern int hasshortmeta();
/*
* lftw.c
*/
extern int lftw();
extern int lf_lftw();
/*
* partial.c
*/
extern void partial_check();
extern void lf_partial_check();
extern int partial_mark();
/*
* unctime.c
*/
extern time_t unctime();
#endif /* __STDC__ */
/* Insufficiently-featureful system header files... */
NOTE(ALIGNMENT(mmap, 8))
#ifdef __cplusplus
}
#endif
#endif /* _DUMP_H */
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