static int set_disk_properties(struct sync_disk *disk)
{
blkid_probe probe;
blkid_topology topo;
uint32_t sector_size, ss_logical, ss_physical;
probe = blkid_new_probe_from_filename(disk->path);
if (!probe) {
log_error("cannot get blkid probe %s", disk->path);
return -1;
}
topo = blkid_probe_get_topology(probe);
if (!topo) {
log_error("cannot get blkid topology %s", disk->path);
blkid_free_probe(probe);
return -1;
}
sector_size = blkid_probe_get_sectorsize(probe);
ss_logical = blkid_topology_get_logical_sector_size(topo);
ss_physical = blkid_topology_get_physical_sector_size(topo);
blkid_free_probe(probe);
if ((sector_size != ss_logical) ||
(sector_size != ss_physical) ||
(sector_size % 512)) {
log_error("invalid disk sector size %u logical %u "
"physical %u %s", sector_size, ss_logical,
ss_physical, disk->path);
return -1;
}
disk->sector_size = sector_size;
return 0;
}
int main(int argc, char *argv[])
{
int rc;
char *devname;
blkid_probe pr;
blkid_topology tp;
if (argc < 2) {
fprintf(stderr, "usage: %s <device> "
"-- prints topology details about the device\n",
program_invocation_short_name);
return EXIT_FAILURE;
}
devname = argv[1];
pr = blkid_new_probe_from_filename(devname);
if (!pr)
err(EXIT_FAILURE, "%s: failed to create a new libblkid probe",
devname);
/*
* Binary interface
*/
tp = blkid_probe_get_topology(pr);
if (tp) {
printf("----- binary interface:\n");
printf("\talignment offset : %lu\n",
blkid_topology_get_alignment_offset(tp));
printf("\tminimum io size : %lu\n",
blkid_topology_get_minimum_io_size(tp));
printf("\toptimal io size : %lu\n",
blkid_topology_get_optimal_io_size(tp));
printf("\tlogical sector size : %lu\n",
blkid_topology_get_logical_sector_size(tp));
printf("\tphysical sector size : %lu\n",
blkid_topology_get_physical_sector_size(tp));
}
/*
* NAME=value interface
*/
/* enable topology probing */
blkid_probe_enable_topology(pr, TRUE);
/* disable superblocks probing (enabled by default) */
blkid_probe_enable_superblocks(pr, FALSE);
rc = blkid_do_fullprobe(pr);
if (rc == -1)
errx(EXIT_FAILURE, "%s: blkid_do_fullprobe() failed", devname);
else if (rc == 1)
warnx("%s: missing topology information", devname);
else {
int i, nvals = blkid_probe_numof_values(pr);
printf("----- NAME=value interface (values: %d):\n", nvals);
for (i = 0; i < nvals; i++) {
const char *name, *data;
blkid_probe_get_value(pr, i, &name, &data, NULL);
printf("\t%s = %s\n", name, data);
}
}
blkid_free_probe(pr);
return EXIT_SUCCESS;
}
