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#include <sys/param.h>
#include <sys/disklabel.h>
#if __FreeBSD_version < 500000
#include <sys/diskslice.h>
#else
#include <sys/disk.h>
#include <errno.h>
#endif
#include <stddef.h>
#include "common.h"
unsigned int
sys_bsd_sectorsize(int fd)
{
#ifdef DIOCGSECTORSIZE
unsigned int d;
if (ioctl(fd, DIOCGSECTORSIZE, &d) == 0)
return d;
#else
struct disklabel dl;
if (ioctl(fd, DIOCGDINFO, &dl) == 0)
return dl.d_secsize;
#endif
return 0;
}
int
sys_bsd_getsectors(int fd, unsigned long *s)
{
/* XXX */
#if defined(DIOCGMEDIASIZE) && defined(DIOCGSECTORSIZE)
off_t fullsize;
unsigned sectsize;
if (ioctl(fd, DIOCGMEDIASIZE, &fullsize) ||
ioctl(fd, DIOCGSECTORSIZE, §size))
return -1;
*s = fullsize / sectsize;
return 0;
#else
struct disklabel dl;
if (ioctl(fd, DIOCGDINFO, &dl) < 0)
return -1;
*s = (unsigned long) dl.d_ncylinders *
(unsigned long) dl.d_ntracks *
(unsigned long) dl.d_nsectors;
return 0;
#endif
}
int
sys_bsd_ptsync(int fd)
{
#ifdef DIOCSYNCSLICEINFO
return ioctl(fd, DIOCSYNCSLICEINFO, NULL);
#else
errno = EINVAL;
return -1;
#endif
}
int
sys_bsd_getgeometry(int fd, struct hd_geometry *g)
{
/* XXX */
struct disklabel dl;
if (ioctl(fd, DIOCGDINFO, &dl) < 0)
return -1;
g->cylinders = dl.d_ncylinders;
g->heads = dl.d_ntracks;
g->sectors = dl.d_nsectors;
return 0;
}
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