RE: [PATCH v2 10/10] vfio/pci: Add VFIO_DEVICE_GET_PCI_HOT_RESET_GROUP_INFO

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> From: Jason Gunthorpe <jgg@xxxxxxxxxx>
> Sent: Wednesday, March 29, 2023 11:50 PM
> 
> On Wed, Mar 29, 2023 at 09:41:26AM +0000, Tian, Kevin wrote:
> 
> > We could extend bind_iommufd to return the group id or introduce a
> > new ioctl to query it per dev_id.
> 
> > Once that is in place looks we don't need a new _INFO ioctl?
> 
> The iommu_group and the reset group are different things
> 
> The issue is processing the BDF strings, not the group ID.
> 
> Probably we should have some way for iommufd to report the group_id
> from the dev_id?
> 

Yes, that is my thought. Though iommu_group and reset group are
different things we could still leverage existing _INFO ioctl once there
is a way to associated dev_id to group_id.




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