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From: Shanker R Donthineni <sdonthineni@nvidia.com>
To: Bjorn Helgaas <bhelgaas@google.com>
Cc: Amey Narkhede <ameynarkhede03@gmail.com>,
	<alex.williamson@redhat.com>,
	Raphael Norwitz <raphael.norwitz@nutanix.com>,
	<linux-pci@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<kw@linux.com>, Sinan Kaya <okaya@kernel.org>,
	Len Brown <lenb@kernel.org>,
	"Rafael J . Wysocki" <rjw@rjwysocki.net>
Subject: Re: [PATCH v15 0/9] PCI: Expose and manage PCI device reset
Date: Thu, 12 Aug 2021 08:03:48 -0500	[thread overview]
Message-ID: <098c3305-55ee-9244-792b-4281a2ecd158@nvidia.com> (raw)
In-Reply-To: <20210805162917.3989-1-ameynarkhede03@gmail.com>

Hi Bjorn,

On 8/5/21 11:29 AM, Amey Narkhede wrote:
> External email: Use caution opening links or attachments
>
>
> 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



      parent reply	other threads:[~2021-08-12 13:04 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-05 16:29 [PATCH v15 0/9] PCI: Expose and manage PCI device reset Amey Narkhede
2021-08-05 16:29 ` [PATCH v15 1/9] PCI: Cache PCIe FLR capability Amey Narkhede
2021-08-09 11:13   ` Raphael Norwitz
2021-08-05 16:29 ` [PATCH v15 2/9] PCI: Add pcie_reset_flr to follow calling convention of other reset methods Amey Narkhede
2021-08-09 11:15   ` Raphael Norwitz
2021-08-05 16:29 ` [PATCH v15 3/9] PCI: Add new array for keeping track of ordering of " Amey Narkhede
2021-08-09 11:18   ` Raphael Norwitz
2021-08-05 16:29 ` [PATCH v15 4/9] PCI: Remove reset_fn field from pci_dev Amey Narkhede
2021-08-05 16:29 ` [PATCH v15 5/9] PCI: Allow userspace to query and set device reset mechanism Amey Narkhede
2021-08-09 11:23   ` Raphael Norwitz
2021-08-05 16:29 ` [PATCH v15 6/9] PCI: Define a function to set ACPI_COMPANION in pci_dev Amey Narkhede
2021-08-05 16:29 ` [PATCH v15 7/9] PCI: Setup ACPI fwnode early and at the same time with OF Amey Narkhede
2021-08-13 23:04   ` Bjorn Helgaas
2021-08-14  3:35     ` Shanker R Donthineni
2021-08-14  4:10       ` Bjorn Helgaas
2021-08-14 16:16         ` Shanker R Donthineni
2021-08-16 17:07           ` Bjorn Helgaas
2021-08-05 16:29 ` [PATCH v15 8/9] PCI: Add support for ACPI _RST reset method Amey Narkhede
2021-08-05 16:29 ` [PATCH v15 9/9] PCI: Change the type of probe argument in reset functions Amey Narkhede
2021-08-14 14:05   ` Shanker R Donthineni
2021-08-12 13:03 ` Shanker R Donthineni [this message]

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