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[PATCH v10 04/10] vhost: introduce new VhostOps vhost_set_config_call

From: Cindy Lu
Subject: [PATCH v10 04/10] vhost: introduce new VhostOps vhost_set_config_call
Date: Fri, 5 Nov 2021 00:48:21 +0800

This patch introduces new VhostOps vhost_set_config_call. This function allows 
vhost to set the event fd to kernel

Signed-off-by: Cindy Lu <lulu@redhat.com>
 include/hw/virtio/vhost-backend.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/hw/virtio/vhost-backend.h 
index 81bf3109f8..ff34eb7c8a 100644
--- a/include/hw/virtio/vhost-backend.h
+++ b/include/hw/virtio/vhost-backend.h
@@ -126,6 +126,8 @@ typedef int (*vhost_get_device_id_op)(struct vhost_dev 
*dev, uint32_t *dev_id);
 typedef bool (*vhost_force_iommu_op)(struct vhost_dev *dev);
+typedef int (*vhost_set_config_call_op)(struct vhost_dev *dev,
+                                       int fd);
 typedef struct VhostOps {
     VhostBackendType backend_type;
     vhost_backend_init vhost_backend_init;
@@ -171,6 +173,7 @@ typedef struct VhostOps {
     vhost_vq_get_addr_op  vhost_vq_get_addr;
     vhost_get_device_id_op vhost_get_device_id;
     vhost_force_iommu_op vhost_force_iommu;
+    vhost_set_config_call_op vhost_set_config_call;
 } VhostOps;
 int vhost_backend_update_device_iotlb(struct vhost_dev *dev,

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