From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NmsEN-0001Wq-H1 for qemu-devel@nongnu.org; Wed, 03 Mar 2010 12:19:31 -0500 Received: from [199.232.76.173] (port=36531 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NmsEM-0001Vv-TN for qemu-devel@nongnu.org; Wed, 03 Mar 2010 12:19:30 -0500 Received: from Debian-exim by monty-python.gnu.org with spam-scanned (Exim 4.60) (envelope-from ) id 1NmsEL-00054b-2O for qemu-devel@nongnu.org; Wed, 03 Mar 2010 12:19:30 -0500 Received: from mx1.redhat.com ([209.132.183.28]:21011) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1NmsEK-00054X-Ly for qemu-devel@nongnu.org; Wed, 03 Mar 2010 12:19:28 -0500 Date: Wed, 3 Mar 2010 19:16:04 +0200 From: "Michael S. Tsirkin" Message-ID: <4312fc341affde984a9df650ca1e26cadeb8ca93.1267636215.git.mst@redhat.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Subject: [Qemu-devel] [PATCHv4 04/12] virtio: add notifier support List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Anthony Liguori , qemu-devel@nongnu.org Cc: amit.shah@redhat.com, kraxel@redhat.com, quintela@redhat.com Add binding API to set host/guest notifiers. Will be used by vhost. Signed-off-by: Michael S. Tsirkin --- hw/virtio.c | 5 ++++- hw/virtio.h | 3 +++ 2 files changed, 7 insertions(+), 1 deletions(-) diff --git a/hw/virtio.c b/hw/virtio.c index 7c020a3..1f5e7be 100644 --- a/hw/virtio.c +++ b/hw/virtio.c @@ -73,6 +73,7 @@ struct VirtQueue int inuse; uint16_t vector; void (*handle_output)(VirtIODevice *vdev, VirtQueue *vq); + VirtIODevice *vdev; }; /* virt queue functions */ @@ -714,8 +715,10 @@ VirtIODevice *virtio_common_init(const char *name, uint16_t device_id, vdev->queue_sel = 0; vdev->config_vector = VIRTIO_NO_VECTOR; vdev->vq = qemu_mallocz(sizeof(VirtQueue) * VIRTIO_PCI_QUEUE_MAX); - for(i = 0; i < VIRTIO_PCI_QUEUE_MAX; i++) + for(i = 0; i < VIRTIO_PCI_QUEUE_MAX; i++) { vdev->vq[i].vector = VIRTIO_NO_VECTOR; + vdev->vq[i].vdev = vdev; + } vdev->name = name; vdev->config_len = config_size; diff --git a/hw/virtio.h b/hw/virtio.h index 3baa2a3..af87889 100644 --- a/hw/virtio.h +++ b/hw/virtio.h @@ -19,6 +19,7 @@ #include "qdev.h" #include "sysemu.h" #include "block_int.h" +#include "notifier.h" /* from Linux's linux/virtio_config.h */ @@ -89,6 +90,8 @@ typedef struct { int (*load_config)(void * opaque, QEMUFile *f); int (*load_queue)(void * opaque, int n, QEMUFile *f); unsigned (*get_features)(void * opaque); + int (*guest_notifier)(void * opaque, int n, bool assigned); + int (*host_notifier)(void * opaque, int n, bool assigned); } VirtIOBindings; #define VIRTIO_PCI_QUEUE_MAX 64 -- 1.7.0.18.g0d53a5