Re: [PATCH v15 0/9] PCI: Expose and manage PCI device reset

[Shanker R Donthineni]

Hi Bjorn,

On 8/5/21 11:29 AM, Amey Narkhede wrote:
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>
>
> PCI and PCIe devices may support a number of possible reset mechanisms
> for example Function Level Reset (FLR) provided via Advanced Feature or
> PCIe capabilities, Power Management reset, bus reset, or device specific reset.
> Currently the PCI subsystem creates a policy prioritizing these reset methods
> which provides neither visibility nor control to userspace.
>
> Expose the reset methods available per device to userspace, via sysfs
> and allow an administrative user or device owner to have ability to
> manage per device reset method priorities or exclusions.
> This feature aims to allow greater control of a device for use cases
> as device assignment, where specific device or platform issues may
> interact poorly with a given reset method, and for which device specific
> quirks have not been developed.
>
> Changes in v15:
>         - Fix use of uninitialized variable in patch 3/9

We would like to include this feature in the v5.15 release. Could you please look
at the updated patches and provide review feedback?

Thanks,
Shanker Donthineni