linux-kernel - Re: [PATCH v10 0/8] Expose and manage PCI device reset

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Message-ID: <20210709124621.ky3c6ip4wjrpsctr@archlinux>
Date:   Fri, 9 Jul 2021 18:16:21 +0530
From:   Amey Narkhede <ameynarkhede03@...il.com>
To:     Bjorn Helgaas <bhelgaas@...gle.com>
Cc:     alex.williamson@...hat.com,
        Raphael Norwitz <raphael.norwitz@...anix.com>,
        linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
        kw@...ux.com, Shanker Donthineni <sdonthineni@...dia.com>,
        Sinan Kaya <okaya@...nel.org>, Len Brown <lenb@...nel.org>,
        "Rafael J . Wysocki" <rjw@...ysocki.net>,
        Amey Narkhede <ameynarkhede03@...il.com>
Subject: Re: [PATCH v10 0/8] Expose and manage PCI device reset

On 21/07/09 06:08PM, Amey Narkhede wrote:
> 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 v10:
> 	- Fix build error on ppc as reported by build bot
>
Aplogies for late response. For some reason I did not get email from
test bot. I checked spam folder too. Not sure if gmail messed something
up.

[...]
Amey