Esempio n. 1
0
static void
pststrategy(struct bio *bp)
{
    struct pst_softc *psc = bp->bio_disk->d_drv1;
    
    mtx_lock(&psc->iop->mtx);
    bioq_disksort(&psc->queue, bp);
    pst_start(psc);
    mtx_unlock(&psc->iop->mtx);
}
Esempio n. 2
0
static void
opalflash_strategy(struct bio *bp)
{
	struct opalflash_softc *sc;

	sc = (struct opalflash_softc *)bp->bio_disk->d_drv1;
	OPALFLASH_LOCK(sc);
	bioq_disksort(&sc->sc_bio_queue, bp);
	wakeup(sc);
	OPALFLASH_UNLOCK(sc);
}
Esempio n. 3
0
static void
mambodisk_strategy(struct bio *bp)
{
	struct mambodisk_softc *sc;

	sc = (struct mambodisk_softc *)bp->bio_disk->d_drv1;
	MBODISK_LOCK(sc);
	bioq_disksort(&sc->bio_queue, bp);
	wakeup(sc);
	MBODISK_UNLOCK(sc);
}
Esempio n. 4
0
/*
 * Actually translate the requested transfer into one the physical driver
 * can understand.  The transfer is described by a buf and will include
 * only one physical transfer.
 */
static void
adastrategy(struct bio *bp)
{
	struct cam_periph *periph;
	struct ada_softc *softc;
	
	periph = (struct cam_periph *)bp->bio_disk->d_drv1;
	if (periph == NULL) {
		biofinish(bp, NULL, ENXIO);
		return;
	}
	softc = (struct ada_softc *)periph->softc;

	cam_periph_lock(periph);

	/*
	 * If the device has been made invalid, error out
	 */
	if ((softc->flags & ADA_FLAG_PACK_INVALID)) {
		cam_periph_unlock(periph);
		biofinish(bp, NULL, ENXIO);
		return;
	}
	
	/*
	 * Place it in the queue of disk activities for this disk
	 */
	if (bp->bio_cmd == BIO_DELETE &&
	    (softc->flags & ADA_FLAG_CAN_TRIM))
		bioq_disksort(&softc->trim_queue, bp);
	else
		bioq_disksort(&softc->bio_queue, bp);

	/*
	 * Schedule ourselves for performing the work.
	 */
	adaschedule(periph);
	cam_periph_unlock(periph);

	return;
}
Esempio n. 5
0
static void
mcdstrategy(struct bio *bp)
{
	struct mcd_softc *sc;

	sc = (struct mcd_softc *)bp->bio_dev->si_drv1;

	/* if device invalidated (e.g. media change, door open), error */
	MCD_LOCK(sc);
	if (!(sc->data.flags & MCDVALID)) {
		device_printf(sc->dev, "media changed\n");
		bp->bio_error = EIO;
		goto bad;
	}

	/* read only */
	if (!(bp->bio_cmd == BIO_READ)) {
		bp->bio_error = EROFS;
		goto bad;
	}

	/* no data to read */
	if (bp->bio_bcount == 0)
		goto done;

	if (!(sc->data.flags & MCDTOC)) {
		bp->bio_error = EIO;
		goto bad;
	}

	bp->bio_resid = 0;

	/* queue it */
	bioq_disksort(&sc->data.head, bp);

	/* now check whether we can perform processing */
	mcd_start(sc);
	MCD_UNLOCK(sc);
	return;

bad:
	bp->bio_flags |= BIO_ERROR;
done:
	MCD_UNLOCK(sc);
	bp->bio_resid = bp->bio_bcount;
	biodone(bp);
	return;
}
Esempio n. 6
0
static void
g_uzip_read_done(struct bio *bp)
{
	struct bio *bp2;
	struct g_geom *gp;
	struct g_uzip_softc *sc;

	bp2 = bp->bio_parent;
	gp = bp2->bio_to->geom;
	sc = gp->softc;

	mtx_lock(&sc->queue_mtx);
	bioq_disksort(&sc->bio_queue, bp);
	mtx_unlock(&sc->queue_mtx);
	wakeup(sc);
}
Esempio n. 7
0
static void
isf_disk_strategy(struct bio *bp)
{
	struct isf_softc *sc = bp->bio_disk->d_drv1;;

	/*
	 * We advertise a block size and maximum I/O size up the stack; catch
	 * any attempts to not follow the rules.
	 */
	KASSERT(bp->bio_bcount == ISF_SECTORSIZE,
	    ("%s: I/O size not %d", __func__, ISF_SECTORSIZE));

	ISF_LOCK(sc);
	bioq_disksort(&sc->isf_bioq, bp);
	ISF_WAKEUP(sc);
	ISF_UNLOCK(sc);
}
Esempio n. 8
0
static void
htif_blk_strategy(struct bio *bp)
{
	struct htif_blk_softc *sc;

	sc = bp->bio_disk->d_drv1;

	HTIF_BLK_LOCK(sc);
	if (sc->running > 0) {
		bioq_disksort(&sc->bio_queue, bp);
		HTIF_BLK_UNLOCK(sc);
		wakeup(sc);
	} else {
		HTIF_BLK_UNLOCK(sc);
		biofinish(bp, NULL, ENXIO);
	}
}