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[Qemu-devel] [PATCH 4/8] virtio: export vring_notify as virtio_should_no
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PATCH 4/8] virtio: export vring_notify as virtio_should_notify |
Date: |
Sun, 14 Feb 2016 18:17:07 +0100 |
Virtio dataplane needs to trigger the irq manually through the
guest notifier. Export virtio_should_notify so that it can be
used around event_notifier_set.
Signed-off-by: Paolo Bonzini <address@hidden>
---
hw/virtio/virtio.c | 4 ++--
include/hw/virtio/virtio.h | 1 +
2 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index 3a5cca4..abb97f4 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -1162,7 +1162,7 @@ void virtio_irq(VirtQueue *vq)
virtio_notify_vector(vq->vdev, vq->vector);
}
-static bool vring_notify(VirtIODevice *vdev, VirtQueue *vq)
+bool virtio_should_notify(VirtIODevice *vdev, VirtQueue *vq)
{
uint16_t old, new;
bool v;
@@ -1187,7 +1187,7 @@ static bool vring_notify(VirtIODevice *vdev, VirtQueue
*vq)
void virtio_notify(VirtIODevice *vdev, VirtQueue *vq)
{
- if (!vring_notify(vdev, vq)) {
+ if (!virtio_should_notify(vdev, vq)) {
return;
}
diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
index 4ce01a1..5884228 100644
--- a/include/hw/virtio/virtio.h
+++ b/include/hw/virtio/virtio.h
@@ -162,6 +162,7 @@ void virtqueue_get_avail_bytes(VirtQueue *vq, unsigned int
*in_bytes,
unsigned int *out_bytes,
unsigned max_in_bytes, unsigned max_out_bytes);
+bool virtio_should_notify(VirtIODevice *vdev, VirtQueue *vq);
void virtio_notify(VirtIODevice *vdev, VirtQueue *vq);
void virtio_save(VirtIODevice *vdev, QEMUFile *f);
--
1.8.3.1
- Re: [Qemu-devel] [PATCH 5/8] virtio-blk: fix "disabled data plane" mode, (continued)
Re: [Qemu-devel] [PATCH 5/8] virtio-blk: fix "disabled data plane" mode, Fam Zheng, 2016/02/16
[Qemu-devel] [PATCH 2/8] vring: make vring_enable_notification return void, Paolo Bonzini, 2016/02/14
[Qemu-devel] [PATCH 3/8] virtio: add AioContext-specific function for host notifiers, Paolo Bonzini, 2016/02/14
[Qemu-devel] [PATCH 4/8] virtio: export vring_notify as virtio_should_notify,
Paolo Bonzini <=
[Qemu-devel] [PATCH 6/8] virtio-blk: do not use vring in dataplane, Paolo Bonzini, 2016/02/14
[Qemu-devel] [PATCH 7/8] virtio-scsi: do not use vring in dataplane, Paolo Bonzini, 2016/02/14
[Qemu-devel] [PATCH 8/8] vring: remove, Paolo Bonzini, 2016/02/14
Re: [Qemu-devel] [PATCH 0/8] virtio: allow migration with dataplane, Christian Borntraeger, 2016/02/16