Esempi in C++ (Cpp) per virtio_should_notify

Esempio n. 1

File: virtio-blk.c Progetto: Pating/qemu

static void notify_guest_bh(void *opaque)
{
    VirtIOBlockDataPlane *s = opaque;
    unsigned nvqs = s->conf->num_queues;
    unsigned long bitmap[BITS_TO_LONGS(nvqs)];
    unsigned j;

    memcpy(bitmap, s->batch_notify_vqs, sizeof(bitmap));
    memset(s->batch_notify_vqs, 0, sizeof(bitmap));

    for (j = 0; j < nvqs; j += BITS_PER_LONG) {
        unsigned long bits = bitmap[j];

        while (bits != 0) {
            unsigned i = j + ctzl(bits);
            VirtQueue *vq = virtio_get_queue(s->vdev, i);

            if (virtio_should_notify(s->vdev, vq)) {
                event_notifier_set(virtio_queue_get_guest_notifier(vq));
            }

            bits &= bits - 1; /* clear right-most bit */
        }
    }
}

Esempio n. 2

File: virtio-blk.c Progetto: Blub/qemu

static void notify_guest_bh(void *opaque)
{
    VirtIOBlockDataPlane *s = opaque;

    if (!virtio_should_notify(s->vdev, s->vq)) {
        return;
    }

    event_notifier_set(s->guest_notifier);
}

Esempio n. 3

File: virtio-scsi-dataplane.c Progetto: JeremyAgost/qemu

void virtio_scsi_dataplane_notify(VirtIODevice *vdev, VirtIOSCSIReq *req)
{
    if (virtio_should_notify(vdev, req->vq)) {
        event_notifier_set(virtio_queue_get_guest_notifier(req->vq));
    }
}