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[Qemu-devel] [PULL v3 11/21] virtio: export vring_notify as virtio_shoul
From: |
Michael S. Tsirkin |
Subject: |
[Qemu-devel] [PULL v3 11/21] virtio: export vring_notify as virtio_should_notify |
Date: |
Thu, 25 Feb 2016 13:20:55 +0200 |
From: Paolo Bonzini <address@hidden>
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>
Reviewed-by: Michael S. Tsirkin <address@hidden>
Signed-off-by: Michael S. Tsirkin <address@hidden>
Acked-by: Cornelia Huck <address@hidden>
Reviewed-by: Fam Zheng <address@hidden>
Acked-by: Stefan Hajnoczi <address@hidden>
---
include/hw/virtio/virtio.h | 1 +
hw/virtio/virtio.c | 4 ++--
2 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
index 3ecdb20..2b5b248 100644
--- a/include/hw/virtio/virtio.h
+++ b/include/hw/virtio/virtio.h
@@ -163,6 +163,7 @@ 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);
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index f419e7c..08275a9 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;
}
--
MST
- [Qemu-devel] [PULL v3 00/21] vhost, virtio, pci, pc, Michael S. Tsirkin, 2016/02/25
- [Qemu-devel] [PULL v3 02/21] vhost-user: don't merge regions with different fds, Michael S. Tsirkin, 2016/02/25
- [Qemu-devel] [PULL v3 03/21] move get_current_ram_size to virtio-balloon.c, Michael S. Tsirkin, 2016/02/25
- [Qemu-devel] [PULL v3 01/21] bios-linker-loader: document+validate input, Michael S. Tsirkin, 2016/02/25
- [Qemu-devel] [PULL v3 04/21] virtio-balloon: rewrite get_current_ram_size(), Michael S. Tsirkin, 2016/02/25
- [Qemu-devel] [PULL v3 05/21] balloon: Use only 'pc-dimm' type dimm for ballooning, Michael S. Tsirkin, 2016/02/25
- [Qemu-devel] [PULL v3 06/21] pci core: function pci_host_bus_register() cleanup, Michael S. Tsirkin, 2016/02/25
- [Qemu-devel] [PULL v3 07/21] pci core: function pci_bus_init() cleanup, Michael S. Tsirkin, 2016/02/25
- [Qemu-devel] [PULL v3 10/21] virtio: add AioContext-specific function for host notifiers, Michael S. Tsirkin, 2016/02/25
- [Qemu-devel] [PULL v3 11/21] virtio: export vring_notify as virtio_should_notify,
Michael S. Tsirkin <=
- [Qemu-devel] [PULL v3 09/21] vring: make vring_enable_notification return void, Michael S. Tsirkin, 2016/02/25
- [Qemu-devel] [PULL v3 08/21] block-migration: acquire AioContext as necessary, Michael S. Tsirkin, 2016/02/25
- [Qemu-devel] [PULL v3 12/21] virtio-blk: fix "disabled data plane" mode, Michael S. Tsirkin, 2016/02/25
- [Qemu-devel] [PULL v3 14/21] virtio-scsi: do not use vring in dataplane, Michael S. Tsirkin, 2016/02/25
- [Qemu-devel] [PULL v3 13/21] virtio-blk: do not use vring in dataplane, Michael S. Tsirkin, 2016/02/25
- [Qemu-devel] [PULL v3 15/21] vring: remove, Michael S. Tsirkin, 2016/02/25
- [Qemu-devel] [PULL v3 16/21] tests/vhost-user-bridge: fix build on 32 bit systems, Michael S. Tsirkin, 2016/02/25
- [Qemu-devel] [PULL v3 17/21] q35: Remove old machine versions, Michael S. Tsirkin, 2016/02/25
- [Qemu-devel] [PULL v3 18/21] machine: Remove no_tco field, Michael S. Tsirkin, 2016/02/25
- [Qemu-devel] [PULL v3 19/21] ich9: Remove enable_tco arguments from init functions, Michael S. Tsirkin, 2016/02/25