/*
    ide-atapi

    Copyright (c) 2007 Carlo Marcelo Arenas Belon

    ide-atapi is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License version 2
    as published by the Free Software Foundation.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include <sys/ioctl.h>
#include <linux/cdrom.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <string.h>
#include <stdio.h>
#include <unistd.h>

int main (int argc, char *argv[])
{
   struct cdrom_generic_command cgc;
   struct request_sense sense;
   unsigned char buf[250];
   int i;

   if (argc < 2) {
      printf("Usage: %s <device>\n", argv[0]);
      printf("\n");
      printf("  device: where the commands are send\n");
      printf("\n");
      return 1;
   }

   memset (&cgc, 0, sizeof(struct cdrom_generic_command));
   memset (&sense, 0, sizeof(struct request_sense));
   memset (&buf, 0, sizeof(buf));

   int fd = open (argv[1], O_RDONLY | O_NONBLOCK);
   if (fd < 0) {
      printf("couldn't open device %s\n", argv[1]);
      return 1;
   }
   cgc.cmd[0] = GPCMD_GET_CONFIGURATION;
   cgc.cmd[1] = 0x00;
   cgc.cmd[8] = sizeof(buf);
   cgc.timeout = 100;
   cgc.buffer = buf;
   cgc.buflen = sizeof(buf);
   cgc.data_direction = CGC_DATA_READ;
   cgc.sense = &sense;
   cgc.quiet = 0;
   i = ioctl (fd, CDROM_SEND_PACKET, &cgc);
   if (i < 0) {
      printf("command failed\n");
      close (fd);
      return 1;
   }
   printf("Response raw dump:\n");
   for (i = 0; i<sizeof(buf); i++) {
      if (i % 16 == 0) printf("\n");
      printf("%02x ", buf[i]);
   }
   printf("\n");
   close (fd);
   return 0;
}