From 4725d49c166e7e26293c5450ce98961eb2d471ff Mon Sep 17 00:00:00 2001 From: Michael S. Tsirkin Date: Wed, 3 Mar 2010 19:58:12 -0300 Subject: [PATCH 05/17] virtio: add notifier support RH-Author: Michael S. Tsirkin Message-id: Patchwork-id: 7480 O-Subject: [PATCHv3 05/17] virtio: add notifier support Bugzilla: 562958 RH-Acked-by: Juan Quintela RH-Acked-by: Amit Shah RH-Acked-by: Gerd Hoffmann 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(-) Signed-off-by: Eduardo Habkost --- 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 62e882b..e358135 100644 --- a/hw/virtio.h +++ b/hw/virtio.h @@ -18,6 +18,7 @@ #include "net.h" #include "qdev.h" #include "sysemu.h" +#include "notifier.h" /* from Linux's linux/virtio_config.h */ @@ -88,6 +89,8 @@ 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 -- 1.6.3.rc4.29.g8146