/*Spiros Ioannou (sivann@softlab.ntua.gr) */

#include <fcntl.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/mtio.h>

main (int argc, char *argv[])
{
  int fd;
  int i;

  struct mtget mtg;
  struct mtdrivetype_request mtr;
  struct mtdrivetype mtdt;

  mtr.mtdtp=&mtdt;
  mtr.size = sizeof(struct mtdrivetype);

  if ((fd = open (argv[1], 0)) == -1)
  {
    fprintf (stderr, "Cant open device\n");
    exit (1);
  }
  mtg.mt_bf=-1;
  i=ioctl (fd, MTIOCGET, &mtg);
  if (i<0) perror("MTIOCGET");
  printf ("Optimum blocking factor:%d\n",mtg.mt_bf);

  i=ioctl (fd, MTIOCGETDRIVETYPE, &mtr);
  if (i<0) perror("MTIOCGETDRIVETYPE");
  printf ("Drive block size:%d\n",mtr.mtdtp->bsize);
  printf ("Drive name :%s\n",mtr.mtdtp->name);
  printf ("Drive max read retries :%d\n",mtr.mtdtp->max_rretries);
  printf ("Drive max write retries :%d\n",mtr.mtdtp->max_wretries);

  close (fd);
}