SendHDDCommand.c

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#include "FBLib_hdd.h"
#include "libFireBird.h"
 
int SendHDDCommand(dword Command, const byte *CommandBlock, int BufferSize)
{
  TRACEENTER();
 
  #include                <sys/ioctl.h>
  #include                <unistd.h>
  #include                <linux/hdreg.h>
  #include                <fcntl.h>
  #include                <linux/fs.h>
 
  int                   fd, ret, i;
  unsigned short int    *p;
 
  //Open the hard drive
  fd = open("/dev/sda", O_RDONLY | O_NONBLOCK);
  //fd = open("/dev/sdb", O_RDONLY | O_NONBLOCK);
  if(fd < 0)
  {
    TRACEEXIT();
    return 1;
  }
 
  //DumpMemory(CommandBlock, 7, 16);
 
  ret = ioctl(fd, Command, CommandBlock);
 
  //DumpMemory(CommandBlock, 7, 16);
 
  close(fd);
 
  if(ret)
  {
    TRACEEXIT();
    return 1;
  }
 
  //Swap endianess of the whole buffer
  p = (unsigned short int*)&CommandBlock[4];
  i = BufferSize;
  while(i > 0)
  {
    endian_swap_word(p);
    p++;
    i -= 2;
  }
 
  TRACEEXIT();
  return 0;
}