[dump.git] / compat / include / protocols / dumprestore.h

/*
 *	Ported to Linux's Second Extended File System as part of the
 *	dump and restore backup suit
 *	Remy Card <card@Linux.EU.Org>, 1994-1997
 *      Stelian Pop <pop@cybercable.fr>, 1999
 *
 */

/*
 * Copyright (c) 1980, 1993
 *	The Regents of the University of California.  All rights reserved.
 * (c) UNIX System Laboratories, Inc.
 * All or some portions of this file are derived from material licensed
 * to the University of California by American Telephone and Telegraph
 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
 * the permission of UNIX System Laboratories, Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $Id: dumprestore.h,v 1.3 1999/10/11 13:31:09 stelian Exp $
 */

#ifndef _PROTOCOLS_DUMPRESTORE_H_
#define _PROTOCOLS_DUMPRESTORE_H_

/*
 * TP_BSIZE is the size of file blocks on the dump tapes.
 * Note that TP_BSIZE must be a multiple of DEV_BSIZE.
 *
 * NTREC is the number of TP_BSIZE blocks that are written
 * in each tape record. HIGHDENSITYTREC is the number of
 * TP_BSIZE blocks that are written in each tape record on
 * 6250 BPI or higher density tapes.
 *
 * TP_NINDIR is the number of indirect pointers in a TS_INODE
 * or TS_ADDR record. Note that it must be a power of two.
 */
#define TP_BSIZE	1024
#define NTREC   	10
#define HIGHDENSITYTREC	32
#define TP_NINDIR	(TP_BSIZE/2)
#define LBLSIZE		16
#define NAMELEN		64

#define OFS_MAGIC   	(int)60011
#define NFS_MAGIC   	(int)60012
#define CHECKSUM	(int)84446

union u_spcl {
	char dummy[TP_BSIZE];
	struct	s_spcl {
		int32_t	c_type;		    /* record type (see below) */
		time_t	c_date;		    /* date of this dump */
		time_t	c_ddate;	    /* date of previous dump */
		int32_t	c_volume;	    /* dump volume number */
		daddr_t	c_tapea;	    /* logical block of this record */
		ino_t	c_inumber;	    /* number of inode */
		int32_t	c_magic;	    /* magic number (see above) */
		int32_t	c_checksum;	    /* record checksum */
#ifdef	__linux__
		struct	new_bsd_inode c_dinode;
#else
		struct	dinode	c_dinode;   /* ownership and mode of inode */
#endif
		int32_t	c_count;	    /* number of valid c_addr entries */
		char	c_addr[TP_NINDIR];  /* 1 => data; 0 => hole in inode */
		char	c_label[LBLSIZE];   /* dump label */
		int32_t	c_level;	    /* level of this dump */
		char	c_filesys[NAMELEN]; /* name of dumpped file system */
		char	c_dev[NAMELEN];	    /* name of dumpped device */
		char	c_host[NAMELEN];    /* name of dumpped host */
		int32_t	c_flags;	    /* additional information */
		int32_t	c_firstrec;	    /* first record on volume */
		int32_t	c_spare[32];	    /* reserved for future uses */
	} s_spcl;
} u_spcl;
#define spcl u_spcl.s_spcl
/*
 * special record types
 */
#define TS_TAPE 	1	/* dump tape header */
#define TS_INODE	2	/* beginning of file record */
#define TS_ADDR 	4	/* continuation of file record */
#define TS_BITS 	3	/* map of inodes on tape */
#define TS_CLRI 	6	/* map of inodes deleted since last dump */
#define TS_END  	5	/* end of volume marker */

/*
 * flag values
 */
#define DR_NEWHEADER	0x0001	/* new format tape header */
#define DR_NEWINODEFMT	0x0002	/* new format inodes on tape */

#define	DUMPOUTFMT	"%-16s %c %s"		/* for printf */
						/* name, level, ctime(date) */
#define	DUMPINFMT	"%16s %c %[^\n]\n"	/* inverse for scanf */

#endif /* !_DUMPRESTORE_H_ */
Commit	Line	Data
1227625a SP	1	/*
	2	* Ported to Linux's Second Extended File System as part of the
	3	* dump and restore backup suit
b45f51d6 SP	4	* Remy Card <card@Linux.EU.Org>, 1994-1997
b45f51d6 SP	5	* Stelian Pop <pop@cybercable.fr>, 1999
1227625a SP	6	*
	7	*/
	8
	9	/*
	10	* Copyright (c) 1980, 1993
	11	* The Regents of the University of California. All rights reserved.
	12	* (c) UNIX System Laboratories, Inc.
	13	* All or some portions of this file are derived from material licensed
	14	* to the University of California by American Telephone and Telegraph
	15	* Co. or Unix System Laboratories, Inc. and are reproduced herein with
	16	* the permission of UNIX System Laboratories, Inc.
	17	*
	18	* Redistribution and use in source and binary forms, with or without
	19	* modification, are permitted provided that the following conditions
	20	* are met:
	21	* 1. Redistributions of source code must retain the above copyright
	22	* notice, this list of conditions and the following disclaimer.
	23	* 2. Redistributions in binary form must reproduce the above copyright
	24	* notice, this list of conditions and the following disclaimer in the
	25	* documentation and/or other materials provided with the distribution.
	26	* 3. All advertising materials mentioning features or use of this software
	27	* must display the following acknowledgement:
	28	* This product includes software developed by the University of
	29	* California, Berkeley and its contributors.
	30	* 4. Neither the name of the University nor the names of its contributors
	31	* may be used to endorse or promote products derived from this software
	32	* without specific prior written permission.
	33	*
	34	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	35	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	36	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	37	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	38	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	39	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	40	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	41	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	42	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	43	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	44	* SUCH DAMAGE.
	45	*
ec387a12	46	* $Id: dumprestore.h,v 1.3 1999/10/11 13:31:09 stelian Exp $
1227625a SP	47	*/
1227625a SP	48
b45f51d6 SP	49	#ifndef _PROTOCOLS_DUMPRESTORE_H_
b45f51d6 SP	50	#define _PROTOCOLS_DUMPRESTORE_H_
1227625a SP	51
	52	/*
	53	* TP_BSIZE is the size of file blocks on the dump tapes.
	54	* Note that TP_BSIZE must be a multiple of DEV_BSIZE.
	55	*
	56	* NTREC is the number of TP_BSIZE blocks that are written
	57	* in each tape record. HIGHDENSITYTREC is the number of
	58	* TP_BSIZE blocks that are written in each tape record on
	59	* 6250 BPI or higher density tapes.
	60	*
	61	* TP_NINDIR is the number of indirect pointers in a TS_INODE
	62	* or TS_ADDR record. Note that it must be a power of two.
	63	*/
	64	#define TP_BSIZE 1024
	65	#define NTREC 10
	66	#define HIGHDENSITYTREC 32
	67	#define TP_NINDIR (TP_BSIZE/2)
	68	#define LBLSIZE 16
	69	#define NAMELEN 64
	70
	71	#define OFS_MAGIC (int)60011
	72	#define NFS_MAGIC (int)60012
	73	#define CHECKSUM (int)84446
	74
	75	union u_spcl {
	76	char dummy[TP_BSIZE];
	77	struct s_spcl {
b45f51d6 SP	78	int32_t c_type; /* record type (see below) */
	79	time_t c_date; /* date of this dump */
	80	time_t c_ddate; /* date of previous dump */
	81	int32_t c_volume; /* dump volume number */
1227625a SP	82	daddr_t c_tapea; /* logical block of this record */
1227625a SP	83	ino_t c_inumber; /* number of inode */
b45f51d6 SP	84	int32_t c_magic; /* magic number (see above) */
b45f51d6 SP	85	int32_t c_checksum; /* record checksum */
1227625a SP	86	#ifdef __linux__
	87	struct new_bsd_inode c_dinode;
	88	#else
	89	struct dinode c_dinode; /* ownership and mode of inode */
	90	#endif
b45f51d6	91	int32_t c_count; /* number of valid c_addr entries */
1227625a SP	92	char c_addr[TP_NINDIR]; /* 1 => data; 0 => hole in inode */
1227625a SP	93	char c_label[LBLSIZE]; /* dump label */
b45f51d6	94	int32_t c_level; /* level of this dump */
1227625a SP	95	char c_filesys[NAMELEN]; /* name of dumpped file system */
	96	char c_dev[NAMELEN]; /* name of dumpped device */
	97	char c_host[NAMELEN]; /* name of dumpped host */
b45f51d6 SP	98	int32_t c_flags; /* additional information */
	99	int32_t c_firstrec; /* first record on volume */
	100	int32_t c_spare[32]; /* reserved for future uses */
1227625a SP	101	} s_spcl;
	102	} u_spcl;
	103	#define spcl u_spcl.s_spcl
	104	/*
	105	* special record types
	106	*/
	107	#define TS_TAPE 1 /* dump tape header */
	108	#define TS_INODE 2 /* beginning of file record */
	109	#define TS_ADDR 4 /* continuation of file record */
	110	#define TS_BITS 3 /* map of inodes on tape */
	111	#define TS_CLRI 6 /* map of inodes deleted since last dump */
	112	#define TS_END 5 /* end of volume marker */
	113
	114	/*
	115	* flag values
	116	*/
	117	#define DR_NEWHEADER 0x0001 /* new format tape header */
	118	#define DR_NEWINODEFMT 0x0002 /* new format inodes on tape */
	119
	120	#define DUMPOUTFMT "%-16s %c %s" /* for printf */
	121	/* name, level, ctime(date) */
	122	#define DUMPINFMT "%16s %c %[^\n]\n" /* inverse for scanf */
	123
	124	#endif /* !_DUMPRESTORE_H_ */