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[Qemu-block] [PATCH 12/40] virtio: export vring_notify as virtio_should_
From: |
Paolo Bonzini |
Subject: |
[Qemu-block] [PATCH 12/40] virtio: export vring_notify as virtio_should_notify |
Date: |
Tue, 24 Nov 2015 19:01:03 +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 c835451..d49306b 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -1166,7 +1166,7 @@ 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;
@@ -1191,7 +1191,7 @@ 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
- [Qemu-block] [PATCH 02/40] virtio: move VirtQueueElement at the beginning of the structs, (continued)
- [Qemu-block] [PATCH 02/40] virtio: move VirtQueueElement at the beginning of the structs, Paolo Bonzini, 2015/11/24
- [Qemu-block] [PATCH 01/40] 9pfs: allocate pdus with g_malloc/g_free, Paolo Bonzini, 2015/11/24
- [Qemu-block] [PATCH 03/40] virtio: move allocation to virtqueue_pop/vring_pop, Paolo Bonzini, 2015/11/24
- [Qemu-block] [PATCH 06/40] virtio: introduce virtqueue_alloc_element, Paolo Bonzini, 2015/11/24
- [Qemu-block] [PATCH 04/40] virtio: introduce qemu_get/put_virtqueue_element, Paolo Bonzini, 2015/11/24
- [Qemu-block] [PATCH 07/40] virtio: slim down allocation of VirtQueueElements, Paolo Bonzini, 2015/11/24
- [Qemu-block] [PATCH 09/40] vring: make vring_enable_notification return void, Paolo Bonzini, 2015/11/24
- [Qemu-block] [PATCH 08/40] vring: slim down allocation of VirtQueueElements, Paolo Bonzini, 2015/11/24
- [Qemu-block] [PATCH 05/40] virtio: read/write the VirtQueueElement a field at a time, Paolo Bonzini, 2015/11/24
- [Qemu-block] [PATCH 10/40] virtio: combine the read of a descriptor, Paolo Bonzini, 2015/11/24
- [Qemu-block] [PATCH 12/40] virtio: export vring_notify as virtio_should_notify,
Paolo Bonzini <=
- [Qemu-block] [PATCH 13/40] virtio-blk: fix "disabled data plane" mode, Paolo Bonzini, 2015/11/24
- [Qemu-block] [PATCH 14/40] virtio-blk: do not use vring in dataplane, Paolo Bonzini, 2015/11/24
- [Qemu-block] [PATCH 11/40] virtio: add AioContext-specific function for host notifiers, Paolo Bonzini, 2015/11/24
- [Qemu-block] [PATCH 15/40] virtio-scsi: do not use vring in dataplane, Paolo Bonzini, 2015/11/24
- [Qemu-block] [PATCH 16/40] vring: remove, Paolo Bonzini, 2015/11/24
- [Qemu-block] [PATCH 18/40] qemu-thread: introduce QemuRecMutex, Paolo Bonzini, 2015/11/24
- [Qemu-block] [PATCH 17/40] iothread: release AioContext around aio_poll, Paolo Bonzini, 2015/11/24
- [Qemu-block] [PATCH 20/40] aio: rename bh_lock to list_lock, Paolo Bonzini, 2015/11/24
- [Qemu-block] [PATCH 19/40] aio: convert from RFifoLock to QemuRecMutex, Paolo Bonzini, 2015/11/24
- [Qemu-block] [PATCH 22/40] aio: make ctx->list_lock a QemuLockCnt, subsuming ctx->walking_bh, Paolo Bonzini, 2015/11/24