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

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Date:   Tue, 6 Sep 2022 14:20:34 -0300
From:   Jason Gunthorpe <jgg@...dia.com>
To:     Nipun Gupta <nipun.gupta@....com>
Cc:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        gregkh@...uxfoundation.org, rafael@...nel.org,
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        song.bao.hua@...ilicon.com, mchehab+huawei@...nel.org,
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Subject: Re: [RFC PATCH v3 6/7] vfio/cdx: add support for CDX bus

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.

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

Jason