upstream/opnsense-src
1
0
Fork 0
mirror of https://github.com/opnsense/src.git synced 2026-06-10 09:11:07 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

Reviewed by: n_hibma

Browse source 
MFC after:	2 weeks
fix XPT_CALC_GEOMETRY to fill in some reasonable values.
Inspired by aic/sbp.
This commit is contained in:
Michael Reifenberger 2002-11-08 07:57:42 +00:00
parent 6f3a9df298
commit ad59e7ecbd
1 changed files with 16 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

24
sys/dev/usb/umass.c
View file

@ -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;