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Rudimentary disklabel support.

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This commit is contained in:
brezak 1994-01-25 03:19:15 +00:00
parent 6c6ec2e13b
commit 5aba563da8
1 changed files with 46 additions and 3 deletions
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49
sys/arch/hp300/dev/sd.c
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@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* from: @(#)sd.c 7.8 (Berkeley) 6/9/91
* $Id: sd.c,v 1.3 1993/08/07 20:48:38 mycroft Exp $
* $Id: sd.c,v 1.4 1994/01/25 03:19:15 brezak Exp $
*/
/*
@ -50,6 +50,7 @@
#include "sys/disklabel.h"
#include "sys/malloc.h"
#include "sys/proc.h"
#include "sys/fcntl.h"
#include "device.h"
#include "scsireg.h"
@ -795,12 +796,54 @@ sdioctl(dev, cmd, data, flag, p)
{
register int unit = sdunit(dev);
register struct sd_softc *sc = &sd_softc[unit];
register struct disklabel *lp = &sc->sc_label;
struct cpu_disklabel cd;
int error, flags;
switch (cmd) {
default:
return (EINVAL);
/* XXX need DIOCGPART and label stuff */
case DIOCGDINFO:
*(struct disklabel *)data = *lp;
return (0);
case DIOCGPART:
((struct partinfo *)data)->disklab = lp;
((struct partinfo *)data)->part =
&lp->d_partitions[sdpart(dev)];
return (0);
case DIOCWLABEL:
if ((flag & FWRITE) == 0)
return (EBADF);
if (*(int *)data)
sc->sc_flags |= SDF_LABEL;
else
sc->sc_flags &= ~SDF_LABEL;
return (0);
case DIOCSDINFO:
if ((flag & FWRITE) == 0)
return (EBADF);
error = setdisklabel(lp, (struct disklabel *)data,
/*(sc->sc_flags & SDF_WLABEL) ? 0
: sc->sc_info.si_open*/0, &cd);
return (error);
case DIOCWDINFO:
if ((flag & FWRITE) == 0)
return (EBADF);
error = setdisklabel(lp, (struct disklabel *)data,
/*(sc->sc_flags & SDF_WLABEL) ? 0
: sc->sc_info.si_open*/0, &cd);
if (error)
return (error);
flags = sc->sc_flags;
sc->sc_flags = SDF_ALIVE | SDF_LABEL;
error = writedisklabel(dev & ~7, sdstrategy, lp, &cd);
sc->sc_flags = flags;
return (error);
case SDIOCSFORMAT:
/* take this device into or out of "format" mode */