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#include <sys/param.h>
#include <sys/ioctl.h>
#include <sys/disklabel.h>
#include <errno.h>
#include <inttypes.h>
#include "tapdisk.h"
#include "blk.h"
int blk_getimagesize(int fd, uint64_t *size)
{
int rc;
struct disklabel dl;
*size = 0;
rc = ioctl(fd, DIOCGDINFO, &dl);
if (rc) {
DPRINTF("ERR: DIOCGDINFO failed, couldn't stat image");
return -EINVAL;
}
*size = dl.d_secsize * dl.d_secpercyl;
return 0;
}
int blk_getsectorsize(int fd, uint64_t *sector_size)
{
int rc;
struct disklabel dl;
*sector_size = DEV_BSIZE;
rc = ioctl(fd, DIOCGDINFO, &dl);
if (rc) {
DPRINTF("ERR: DIOCGDINFO failed, couldn't stat image");
return 0; /* fallback to DEV_BSIZE */
}
*sector_size = dl.d_secsize;
return 0;
}
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