[RFC PATCH v3 6/7] vfio/cdx: add support for CDX bus

[Gupta, Nipun]

[AMD Official Use Only - General]



> -----Original Message-----
> From: Jason Gunthorpe <jgg at nvidia.com>
> Sent: Tuesday, September 6, 2022 10:51 PM
> To: Gupta, Nipun <Nipun.Gupta at amd.com>
> Cc: robh+dt at kernel.org; krzysztof.kozlowski+dt at linaro.org;
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> Subject: Re: [RFC PATCH v3 6/7] vfio/cdx: add support for CDX bus
> 
> [CAUTION: External Email]
> 
> On Tue, Sep 06, 2022 at 07:18:00PM +0530, Nipun Gupta wrote:
> > vfio-cdx driver enables IOCTLs for user space to query
> > MMIO regions for CDX devices and mmap them. This change
> > also adds support for reset of CDX devices.
> >
> > This change adds the VFIO CDX driver and enables the following
> > ioctls for CDX devices:
> >  - VFIO_DEVICE_GET_INFO:
> >  - VFIO_DEVICE_GET_REGION_INFO
> >  - VFIO_DEVICE_RESET
> 
> For non-RFC posting please post VFIO separately after getting the base
> bus merged.

Agree, with non-RFC changes we will get bus merged first and then
have the vfio patches as a separate set.

Thanks,
Nipun

> 
> I think you will need to get some work done to consolidate some of
> this duplicated code that was cut & pasted here..
> 
> Jason