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vfio: add vfio_device_prepare()

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Commonize some initialization code shared by the legacy and iommufd vfio
implementations.

Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: John Levon <john.levon@nutanix.com>
Link: https://lore.kernel.org/qemu-devel/20250507152020.1254632-2-john.levon@nutanix.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
This commit is contained in:
John Levon 2025-05-07 16:20:06 +01:00 • committed by Cédric Le Goater
parent 1cab5a02ab
commit a901682f53
4 changed files with 20 additions and 20 deletions
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14
hw/vfio/container.c
View file

@ -826,18 +826,14 @@ static bool vfio_device_get(VFIOGroup *group, const char *name,
}
}
vfio_device_prepare(vbasedev, &group->container->bcontainer, info);
vbasedev->fd = fd;
vbasedev->group = group;
QLIST_INSERT_HEAD(&group->device_list, vbasedev, next);
vbasedev->num_irqs = info->num_irqs;
vbasedev->num_regions = info->num_regions;
vbasedev->flags = info->flags;
trace_vfio_device_get(name, info->flags, info->num_regions, info->num_irqs);
vbasedev->reset_works = !!(info->flags & VFIO_DEVICE_FLAGS_RESET);
return true;
}
@ -890,7 +886,6 @@ static bool vfio_legacy_attach_device(const char *name, VFIODevice *vbasedev,
int groupid = vfio_device_get_groupid(vbasedev, errp);
VFIODevice *vbasedev_iter;
VFIOGroup *group;
VFIOContainerBase *bcontainer;
if (groupid < 0) {
return false;
@ -919,11 +914,6 @@ static bool vfio_legacy_attach_device(const char *name, VFIODevice *vbasedev,
goto device_put_exit;
}
bcontainer = &group->container->bcontainer;
vbasedev->bcontainer = bcontainer;
QLIST_INSERT_HEAD(&bcontainer->device_list, vbasedev, container_next);
QLIST_INSERT_HEAD(&vfio_device_list, vbasedev, global_next);
return true;
device_put_exit: