static void
cgdstrategy(struct buf *bp)
{
struct cgd_softc *cs = getcgd_softc(bp->b_dev);
struct dk_softc *dksc = &cs->sc_dksc;
struct disk_geom *dg = &dksc->sc_dkdev.dk_geom;
DPRINTF_FOLLOW(("cgdstrategy(%p): b_bcount = %ld\n", bp,
(long)bp->b_bcount));
/*
* Reject unaligned writes. We can encrypt and decrypt only
* complete disk sectors, and we let the ciphers require their
* buffers to be aligned to 32-bit boundaries.
*/
if (bp->b_blkno < 0 ||
(bp->b_bcount % dg->dg_secsize) != 0 ||
((uintptr_t)bp->b_data & 3) != 0) {
bp->b_error = EINVAL;
bp->b_resid = bp->b_bcount;
biodone(bp);
return;
}
/* XXXrcd: Should we test for (cs != NULL)? */
dk_strategy(&cs->sc_dksc, bp);
return;
}
void
xbdstrategy(struct buf *bp)
{
struct xbd_softc *xs = getxbd_softc(bp->b_dev);
DPRINTF_FOLLOW(("xbdstrategy(%p): b_bcount = %ld\n", bp,
(long)bp->b_bcount));
if (xs == NULL || xs->sc_shutdown) {
bp->b_flags |= B_ERROR;
bp->b_error = EIO;
biodone(bp);
return;
}
dk_strategy(xs->sc_di, &xs->sc_dksc, bp);
return;
}
