Re: [PATCH v4 00/11] iommufd: Add vIOMMU infrastructure (Part-1)

[Jason Gunthorpe]

On Fri, Oct 25, 2024 at 08:34:05AM +0000, Tian, Kevin wrote:
> > The vIOMMU object should be seen as a slice of a physical IOMMU instance
> > that is passed to or shared with a VM. That can be some HW/SW resources:
> >  - Security namespace for guest owned ID, e.g. guest-controlled cache tags
> >  - Access to a sharable nesting parent pagetable across physical IOMMUs
> >  - Virtualization of various platforms IDs, e.g. RIDs and others
> >  - Delivery of paravirtualized invalidation
> >  - Direct assigned invalidation queues
> >  - Direct assigned interrupts
> >  - Non-affiliated event reporting
> 
> sorry no idea about 'non-affiliated event'. Can you elaborate?

This would be an even that is not a connected to a device

For instance a CMDQ experienced a problem.

Jason