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Re: About the instance_finalize callback in VFIO PCI
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From: |
Yang Zhong |
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Subject: |
Re: About the instance_finalize callback in VFIO PCI |
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Date: |
Wed, 22 Mar 2023 08:28:38 -0400 |
On Tue, Mar 21, 2023 at 06:30:14PM +0100, Cédric Le Goater wrote:
> On 3/20/23 10:31, Yang Zhong wrote:
> > Hello Alex and Paolo,
> >
> > There is one instance_finalize callback definition in hw/vfio/pci.c, but
> > i find this callback(vfio_instance_finalize()) never be called during the
> > VM shutdown with close VM or "init 0" command in guest.
> >
> > The Qemu related command:
> > ......
> > -device vfio-pci,host=d9:00.0
> > ......
>
> well, the finalize op is correctly called for hot unplugged devices, using
> device_add.
>
Thanks Cédric, i can use device_del command in the monitor to
trigger this instance_finalize callback function in the VFIO PCI.
thanks!
Yang
>