From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34649) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aV0IY-0006pM-3W for qemu-devel@nongnu.org; Sun, 14 Feb 2016 12:17:26 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aV0IX-00034v-7z for qemu-devel@nongnu.org; Sun, 14 Feb 2016 12:17:26 -0500 Received: from mail-wm0-x243.google.com ([2a00:1450:400c:c09::243]:33689) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aV0IX-00034r-12 for qemu-devel@nongnu.org; Sun, 14 Feb 2016 12:17:25 -0500 Received: by mail-wm0-x243.google.com with SMTP id c200so11963161wme.0 for ; Sun, 14 Feb 2016 09:17:24 -0800 (PST) Sender: Paolo Bonzini From: Paolo Bonzini Date: Sun, 14 Feb 2016 18:17:07 +0100 Message-Id: <1455470231-5223-5-git-send-email-pbonzini@redhat.com> In-Reply-To: <1455470231-5223-1-git-send-email-pbonzini@redhat.com> References: <1455470231-5223-1-git-send-email-pbonzini@redhat.com> Subject: [Qemu-devel] [PATCH 4/8] virtio: export vring_notify as virtio_should_notify List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: stefanha@redhat.com, mst@redhat.com 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 --- 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