From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NUNzV-0004Sw-Qq for qemu-devel@nongnu.org; Mon, 11 Jan 2010 12:23:45 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1NUNzR-0004Oi-2S for qemu-devel@nongnu.org; Mon, 11 Jan 2010 12:23:45 -0500 Received: from [199.232.76.173] (port=34449 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NUNzQ-0004OX-SY for qemu-devel@nongnu.org; Mon, 11 Jan 2010 12:23:40 -0500 Received: from mx1.redhat.com ([209.132.183.28]:54236) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1NUNzQ-0000UX-8c for qemu-devel@nongnu.org; Mon, 11 Jan 2010 12:23:40 -0500 Date: Mon, 11 Jan 2010 19:20:43 +0200 From: "Michael S. Tsirkin" Message-ID: <20100111172043.GG11936@redhat.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Subject: [Qemu-devel] [PATCH-RFC 06/13] s390-virtio: fill in irqfd support List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Anthony Liguori , qemu-devel@nongnu.org Don't know how to make queuefd work: probably need support for binding hypercalls to eventfd in kvm? Again, just a demonstration, probably not for commit, because s390 does not have vector support. Signed-off-by: Michael S. Tsirkin --- hw/s390-virtio-bus.c | 16 ++++++++++++++++ 1 files changed, 16 insertions(+), 0 deletions(-) diff --git a/hw/s390-virtio-bus.c b/hw/s390-virtio-bus.c index 980e7eb..b663972 100644 --- a/hw/s390-virtio-bus.c +++ b/hw/s390-virtio-bus.c @@ -315,11 +315,27 @@ static unsigned virtio_s390_get_features(void *opaque) return dev->host_features; } +static void virtio_s390_irqfd_read(void *opaque) +{ + VirtQueue *vq = opaque; + virtio_irq(vq->vdev, vq); +} + +static int virtio_s390_irqfd(void * opaque, int n, int fd, bool assign) +{ + VirtIOS390Device *dev = opaque; + VirtQueue *vq = &dev->vdev->vq[n]; + + qemu_set_fd_handler(fd, assign ? virtio_s390_irqfd_read : NULL, NULL, vq); + return 0; +} + /**************** S390 Virtio Bus Device Descriptions *******************/ static const VirtIOBindings virtio_s390_bindings = { .notify = virtio_s390_notify, .get_features = virtio_s390_get_features, + .set_irqfd = virtio_s390_irqfd, }; static VirtIOS390DeviceInfo s390_virtio_net = { -- 1.6.6.rc1.43.gf55cc