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- /*
- * seek_seq.c - Copyright Steve Woodford, August 1993.
- *
- * Seek on a sequential access device such as a tapedrive. Results are
- * undefined if used for a random access device. NO SANITY CHECKS ARE
- * PERFORMED HERE TO ENSURE THE CORRECT DEVICE TYPE!!!
- */
-
- #include <sys/types.h>
- #include <sys/scsi.h>
- #include "libscsi.h"
-
-
- PUBLIC short
- Scsi_Seek_Seq(u_char id, u_long block)
- {
- Scsi_Cmd sc;
-
- if ( id & 0xc0 )
- return(-1);
-
- (void) _Scsi_Timeout( T_Seek(id) );
-
- sc.sc_command = CMD(id, SZ_CMD_SEEK);
- sc.sc_link = 0;
- sc.sc_z[0] = LUN(id, 0);
- sc.sc_z[3] = block & 0xff;
- block >>= 8;
- sc.sc_z[2] = block & 0xff;
- block >>= 8;
- sc.sc_z[1] = block & 0xff;
-
- return ( _Scsi_Command( DMA_READ, &sc, 0L, 0 ) );
- }
-