static int
g_mbr_start(struct bio *bp)
{
struct g_provider *pp;
struct g_geom *gp;
struct g_mbr_softc *mp;
struct g_slicer *gsp;
int idx;
pp = bp->bio_to;
idx = pp->index;
gp = pp->geom;
gsp = gp->softc;
mp = gsp->softc;
if (bp->bio_cmd == BIO_GETATTR) {
if (g_handleattr_int(bp, "MBR::type", mp->type[idx]))
return (1);
if (g_handleattr_off_t(bp, "MBR::offset",
gsp->slices[idx].offset))
return (1);
if (g_handleattr(bp, "MBR::slicesum", mp->slicesum,
sizeof(mp->slicesum)))
return (1);
}
return (0);
}
static int
g_mbr_start(struct bio *bp)
{
struct g_provider *pp;
struct g_geom *gp;
struct g_mbr_softc *mp;
struct g_slicer *gsp;
struct g_ioctl *gio;
int idx, error;
pp = bp->bio_to;
idx = pp->index;
gp = pp->geom;
gsp = gp->softc;
mp = gsp->softc;
if (bp->bio_cmd == BIO_GETATTR) {
if (g_handleattr_int(bp, "MBR::type", mp->type[idx]))
return (1);
if (g_handleattr_off_t(bp, "MBR::offset",
gsp->slices[idx].offset))
return (1);
}
/* We only handle ioctl(2) requests of the right format. */
if (strcmp(bp->bio_attribute, "GEOM::ioctl"))
return (0);
else if (bp->bio_length != sizeof(*gio))
return (0);
/* Get hold of the ioctl parameters. */
gio = (struct g_ioctl *)bp->bio_data;
switch (gio->cmd) {
case DIOCGMBR:
/* Return a copy of the disklabel to userland. */
bcopy(mp->sec0, gio->data, 512);
g_io_deliver(bp, 0);
return (1);
case DIOCSMBR:
/*
* These we cannot do without the topology lock and some
* some I/O requests. Ask the event-handler to schedule
* us in a less restricted environment.
*/
error = g_call_me(g_mbr_ioctl, bp);
if (error)
g_io_deliver(bp, error);
/*
* We must return non-zero to indicate that we will deal
* with this bio, even though we have not done so yet.
*/
return (1);
default:
return (0);
}
return (0);
}
static int
g_apple_start(struct bio *bp)
{
struct g_provider *pp;
struct g_geom *gp;
struct g_apm_softc *mp;
struct g_slicer *gsp;
pp = bp->bio_to;
gp = pp->geom;
gsp = gp->softc;
mp = gsp->softc;
if (bp->bio_cmd == BIO_GETATTR) {
if (g_handleattr_off_t(bp, "APM::offset",
gsp->slices[pp->index].offset))
return (1);
}
return (0);
}