dprintf(1, "%s blksize=%d sectors=%d\n"
, s, drive->blksize, (unsigned)drive->sectors);
+ struct cdbres_mode_sense_geom geomdata;
+ ret = cdb_mode_sense_geom(&dop, &geomdata);
+ if (ret == 0) {
+ u32 cylinders;
+ cylinders = geomdata.cyl[0] << 16;
+ cylinders |= geomdata.cyl[1] << 8;
+ cylinders |= geomdata.cyl[2];
+ if (cylinders && geomdata.heads &&
+ drive->sectors <= 0xFFFFFFFFULL &&
+ ((u32)drive->sectors % (geomdata.heads * cylinders) == 0)) {
+ drive->pchs.cylinders = cylinders;
+ drive->pchs.heads = geomdata.heads;
+ drive->pchs.spt = (u32)drive->sectors
+ / (geomdata.heads * cylinders);
+ }
+ }
+
*desc = znprintf(MAXDESCSIZE, "%s Drive %s %s %s"
, s, vendor, product, rev);
return 0;
return cdb_cmd_data(op, &cmd, sizeof(*data));
}
+// Mode sense, geometry page.
+int
+cdb_mode_sense_geom(struct disk_op_s *op, struct cdbres_mode_sense_geom *data)
+{
+ struct cdb_mode_sense cmd;
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.command = CDB_CMD_MODE_SENSE;
+ cmd.flags = 8; /* DBD */
+ cmd.page = MODE_PAGE_HD_GEOMETRY;
+ cmd.count = htons(sizeof(*data));
+ op->count = 1;
+ op->buf_fl = data;
+ return cdb_cmd_data(op, &cmd, sizeof(*data));
+}
+
// Read sectors.
int
cdb_read(struct disk_op_s *op)