X-Git-Url: https://git.wh0rd.org/?p=dump.git;a=blobdiff_plain;f=compat%2Finclude%2Fprotocols%2Fdumprestore.h;h=f616e3153c5a46d47e9a7a5acca1c4453615b82f;hp=4985f8056f0de7cb0fa506006f47f2fef6d1f6aa;hb=206f768c7a7a4bca1c4acc3c686d55578c0cb919;hpb=ec387a1267f4cac7625cd5b6d1c1f080d39085b3 diff --git a/compat/include/protocols/dumprestore.h b/compat/include/protocols/dumprestore.h index 4985f80..f616e31 100644 --- a/compat/include/protocols/dumprestore.h +++ b/compat/include/protocols/dumprestore.h @@ -2,8 +2,10 @@ * Ported to Linux's Second Extended File System as part of the * dump and restore backup suit * Remy Card , 1994-1997 - * Stelian Pop , 1999 + * Stelian Pop , 1999-2000 + * Stelian Pop - AlcĂ´ve , 2000-2002 * + * $Id: dumprestore.h,v 1.19 2003/03/31 09:42:57 stelian Exp $ */ /* @@ -23,11 +25,7 @@ * 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 + * 3. 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. * @@ -42,13 +40,13 @@ * 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_ +#include + /* * TP_BSIZE is the size of file blocks on the dump tapes. * Note that TP_BSIZE must be a multiple of DEV_BSIZE. @@ -65,6 +63,7 @@ #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 @@ -72,15 +71,22 @@ #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 { 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_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 */ + dump_ino_t c_inumber; /* number of inode */ int32_t c_magic; /* magic number (see above) */ int32_t c_checksum; /* record checksum */ #ifdef __linux__ @@ -89,7 +95,7 @@ union u_spcl { 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 */ + union u_data c_data; /* see above */ char c_label[LBLSIZE]; /* dump label */ int32_t c_level; /* level of this dump */ char c_filesys[NAMELEN]; /* name of dumpped file system */ @@ -97,10 +103,14 @@ union u_spcl { 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 */ + 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 */ @@ -116,9 +126,25 @@ union u_spcl { */ #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 COMPRESS_LZO 2 -#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_ */