diff options
Diffstat (limited to 'sys/dev/usb/umass.c')
| -rw-r--r-- | sys/dev/usb/umass.c | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/sys/dev/usb/umass.c b/sys/dev/usb/umass.c index cfd167c..a491431 100644 --- a/sys/dev/usb/umass.c +++ b/sys/dev/usb/umass.c @@ -2450,16 +2450,24 @@ umass_cam_action(struct cam_sim *sim, union ccb *ccb) } case XPT_CALC_GEOMETRY: { -#ifdef USB_DEBUG struct ccb_calc_geometry *ccg = &ccb->ccg; -#endif - DPRINTF(UDMASS_SCSI, ("%s:%d:%d:%d:XPT_CALC_GEOMETRY: " - "Volume size = %d (unimplemented)\n", - USBDEVNAME(sc->sc_dev), cam_sim_path(umass_sim), - ccb->ccb_h.target_id, ccb->ccb_h.target_lun, - ccg->volume_size)); + u_int32_t size_mb; + u_int32_t secs_per_cylinder; + int extended = 1; - ccb->ccb_h.status = CAM_REQ_CMP_ERR; + size_mb = ccg->volume_size + / ((1024L * 1024L) / ccg->block_size); + + if (size_mb >= 1024 && extended) { + ccg->heads = 255; + ccg->secs_per_track = 63; + } else { + ccg->heads = 64; + ccg->secs_per_track = 32; + } + secs_per_cylinder = ccg->heads * ccg->secs_per_track; + ccg->cylinders = ccg->volume_size / secs_per_cylinder; + ccb->ccb_h.status = CAM_REQ_CMP; xpt_done(ccb); break; |
