/*
* Ported to Linux's Second Extended File System as part of the
* dump and restore backup suit
- * Remy Card <card@Linux.EU.Org>, 1994, 1995, 1996
+ * Remy Card <card@Linux.EU.Org>, 1994-1997
+ * Stelian Pop <stelian@popies.net>, 1999-2000
+ * Stelian Pop <stelian@popies.net> - AlcĂ´ve <www.alcove.com>, 2000-2002
*
+ * $Id: dumprestore.h,v 1.17 2002/04/04 08:20:23 stelian Exp $
*/
/*
* 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.
- *
- * @(#)dumprestore.h 8.2 (Berkeley) 1/21/94
*/
-#ifndef _DUMPRESTORE_H_
-#define _DUMPRESTORE_H_
+#ifndef _PROTOCOLS_DUMPRESTORE_H_
+#define _PROTOCOLS_DUMPRESTORE_H_
+
+#include <config.h>
/*
* TP_BSIZE is the size of file blocks on the dump tapes.
#define NTREC 10
#define HIGHDENSITYTREC 32
#define TP_NINDIR (TP_BSIZE/2)
+#define TP_NINOS (TP_NINDIR / sizeof (int32_t))
#define LBLSIZE 16
#define NAMELEN 64
#define NFS_MAGIC (int)60012
#define CHECKSUM (int)84446
+typedef u_int32_t dump_ino_t;
+
+union u_data {
+ char s_addrs[TP_NINDIR]; /* 1 => data; 0 => hole in inode */
+ int32_t s_inos[TP_NINOS]; /* table of first inode on each volume */
+} u_data;
+
union u_spcl {
char dummy[TP_BSIZE];
struct s_spcl {
- __s32 c_type; /* record type (see below) */
- __u32 c_date; /* date of this dump */
- __u32 c_ddate; /* date of previous dump */
- __s32 c_volume; /* dump volume number */
+ int32_t c_type; /* record type (see below) */
+ int32_t c_date; /* date of this dump */
+ int32_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 */
- __s32 c_magic; /* magic number (see above) */
- __s32 c_checksum; /* record checksum */
+ dump_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
- __s32 c_count; /* number of valid c_addr entries */
- char c_addr[TP_NINDIR]; /* 1 => data; 0 => hole in inode */
+ int32_t c_count; /* number of valid c_addr entries */
+ union u_data c_data; /* see above */
char c_label[LBLSIZE]; /* dump label */
- __s32 c_level; /* level of this dump */
+ 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 */
- __s32 c_flags; /* additional information */
- __s32 c_firstrec; /* first record on volume */
- __s32 c_spare[32]; /* reserved for future uses */
+ int32_t c_flags; /* additional information */
+ int32_t c_firstrec; /* first record on volume */
+ int32_t c_ntrec; /* blocksize on volume */
+ int32_t c_spare[31]; /* reserved for future uses */
} s_spcl;
} u_spcl;
#define spcl u_spcl.s_spcl
+#define c_addr c_data.s_addrs
+#define c_inos c_data.s_inos
+
/*
* special record types
*/
*/
#define DR_NEWHEADER 0x0001 /* new format tape header */
#define DR_NEWINODEFMT 0x0002 /* new format inodes on tape */
+#define DR_COMPRESSED 0x0080 /* dump tape is compressed */
+#define DR_METAONLY 0x0100 /* only the metadata of the inode has
+ been dumped */
+#define DR_INODEINFO 0x0002 /* TS_END header contains c_inos information */
+
+
+/*
+ * compression flags for the tapebuf header.
+ */
+#define COMPRESS_ZLIB 0
+#define COMPRESS_BZLIB 1
-#define DUMPOUTFMT "%-16s %c %s" /* for printf */
- /* name, level, ctime(date) */
-#define DUMPINFMT "%16s %c %[^\n]\n" /* inverse for scanf */
+/* used for compressed dump tapes */
+struct tapebuf {
+ unsigned int compressed:1;
+ unsigned int flags:3;
+ unsigned int length:28;
+ char buf[0]; /* the data */
+};
#endif /* !_DUMPRESTORE_H_ */