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typedef unsigned int u_int8_t __attribute__ ((__mode__ (__QI__)));

typedef unsigned int u_int32_t __attribute__ ((__mode__ (__SI__)));

typedef enum { READ_SHARED = 0, WRITE_EXCLUSIVE = 1,

    READ_EXCLUSIVE = 2, EXCLUSIVE_ACCESS = 3 } scsires_access_mode;

struct scsires_extent_elem {

    scsires_access_mode mode;

    unsigned relative_address;

    u_int32_t first_block;

    u_int32_t length;

};

typedef struct scsires_extent_elem scsires_extent_elem_t;

struct scsires_extent {

    u_int8_t num_elements;

    scsires_extent_elem_t *elements;

};

typedef struct scsires_extent scsires_extent_t;

unsigned char buf[512];

void scsires_issue_reservation(scsires_extent_t * new_extent)

{

  int i;

  for (i = 0; i < new_extent->num_elements; i++)

    {

      buf[(i * 8)] = new_extent->elements[i].mode;

      buf[(i * 8) + 1] = ((new_extent->elements[i].length >> 16) & 0xff);

      buf[(i * 8) + 2] = ((new_extent->elements[i].length >> 8) & 0xff);

      buf[(i * 8) + 3] = (new_extent->elements[i].length & 0xff);

      buf[(i * 8) + 4] = ((new_extent->elements[i].first_block >> 24) & 0xff);

      buf[(i * 8) + 5] = ((new_extent->elements[i].first_block >> 16) & 0xff);

      buf[(i * 8) + 6] = ((new_extent->elements[i].first_block >> 8) & 0xff);

      buf[(i * 8) + 7] = (new_extent->elements[i].first_block & 0xff);

    }

}