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

[Tian, Kevin]

> From: Jason Gunthorpe <jgg at nvidia.com>
> Sent: Friday, October 25, 2024 11:43 PM
> 
> 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.
> 


Okay, then 'non-device-affiliated' is probably clearer.