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vhost: introduce new VhostOps vhost_set_config_call 

This patch introduces new VhostOps vhost_set_config_call.
This function allows the qemu to set the config
event fd to kernel driver.

Signed-off-by: Cindy Lu <lulu@redhat.com>
Message-Id: <20221222070451.936503-5-lulu@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Cindy Lu 2022-12-22 15:04:45 +08:00 committed by Michael S. Tsirkin
parent ee3b8dc6cc
commit 9b30cdf9bb
1 changed files with 3 additions and 0 deletions
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3
include/hw/virtio/vhost-backend.h
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@ -128,6 +128,8 @@ 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;
@ -174,6 +176,7 @@ 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,