Differential D16898 Diff 47297 sys/dev/virtio/random/virtio_random.c

Changeset View

Standalone View

Show First 20 Lines • Show All 211 Lines • ▼ Show 20 Lines	vtrnd_harvest(struct vtrnd_softc *sc)

/*		/*
* Poll for the response, but the command is likely already		* Poll for the response, but the command is likely already
* done when we return from the notify.		* done when we return from the notify.
*/		*/
virtqueue_notify(vq);		virtqueue_notify(vq);
virtqueue_poll(vq, NULL);		virtqueue_poll(vq, NULL);

random_harvest_queue(&value, sizeof(value), sizeof(value) * NBBY / 2,		random_harvest_queue(&value, sizeof(value), RANDOM_PURE_VIRTIO);
RANDOM_PURE_VIRTIO);
}		}

static void		static void
vtrnd_timer(void *xsc)		vtrnd_timer(void *xsc)
{		{
struct vtrnd_softc *sc;		struct vtrnd_softc *sc;

sc = xsc;		sc = xsc;

vtrnd_harvest(sc);		vtrnd_harvest(sc);
callout_schedule(&sc->vtrnd_callout, 5 * hz);		callout_schedule(&sc->vtrnd_callout, 5 * hz);
}		}