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[RFC v2 3/7] vhost: Save masked_notifier state
From: |
Eugenio Pérez |
Subject: |
[RFC v2 3/7] vhost: Save masked_notifier state |
Date: |
Tue, 9 Feb 2021 16:37:53 +0100 |
It will be used to recover call eventfd.
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
---
include/hw/virtio/vhost.h | 1 +
hw/virtio/vhost.c | 2 ++
2 files changed, 3 insertions(+)
diff --git a/include/hw/virtio/vhost.h b/include/hw/virtio/vhost.h
index 4a8bc75415..ac963bf23d 100644
--- a/include/hw/virtio/vhost.h
+++ b/include/hw/virtio/vhost.h
@@ -28,6 +28,7 @@ struct vhost_virtqueue {
unsigned avail_size;
unsigned long long used_phys;
unsigned used_size;
+ bool notifier_is_masked;
EventNotifier masked_notifier;
struct vhost_dev *dev;
};
diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
index 1c5b442081..5d0c817b8f 100644
--- a/hw/virtio/vhost.c
+++ b/hw/virtio/vhost.c
@@ -1518,6 +1518,8 @@ void vhost_virtqueue_mask(struct vhost_dev *hdev,
VirtIODevice *vdev, int n,
/* should only be called after backend is connected */
assert(hdev->vhost_ops);
+ hdev->vqs[index].notifier_is_masked = mask;
+
if (mask) {
assert(vdev->use_guest_notifier_mask);
file.fd = event_notifier_get_fd(&hdev->vqs[index].masked_notifier);
--
2.27.0
[RFC v2 6/7] vhost: Route guest->host notification through shadow virtqueue, Eugenio Pérez, 2021/02/09