linux-kernel - RE: [PATCH v6 0/9] Add Error Disconnect Recover (EDR) support

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Message-ID: <4896673b83c8401187b6983dffc47ba8@ausx13mps323.AMER.DELL.COM>
Date:   Sun, 28 Jul 2019 16:10:30 +0000
From:   <Huong.Nguyen@...l.com>
To:     <sathyanarayanan.kuppuswamy@...ux.intel.com>, <kbusch@...nel.org>
CC:     <bhelgaas@...gle.com>, <linux-pci@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <ashok.raj@...el.com>,
        <keith.busch@...el.com>, <Austin.Bolen@...l.com>
Subject: RE: [PATCH v6 0/9] Add Error Disconnect Recover (EDR) support



-----Original Message-----
From: sathyanarayanan kuppuswamy <sathyanarayanan.kuppuswamy@...ux.intel.com> 
Sent: Friday, July 26, 2019 6:31 PM
To: Keith Busch
Cc: bhelgaas@...gle.com; linux-pci@...r.kernel.org; linux-kernel@...r.kernel.org; ashok.raj@...el.com; keith.busch@...el.com; Bolen, Austin; Nguyen, Huong
Subject: Re: [PATCH v6 0/9] Add Error Disconnect Recover (EDR) support


[EXTERNAL EMAIL] 

+Austin , Huong

On 7/26/19 2:53 PM, Keith Busch wrote:
> On Fri, Jul 26, 2019 at 02:43:10PM -0700, sathyanarayanan.kuppuswamy@...ux.intel.com wrote:
>> From: Kuppuswamy Sathyanarayanan 
>> <sathyanarayanan.kuppuswamy@...ux.intel.com>
>>
>> This patchset adds support for following features:
>>
>> 1. Error Disconnect Recover (EDR) support.
>> 2. _OSC based negotiation support for DPC.
>>
>> You can find EDR spec in the following link.
>>
>> https://members.pcisig.com/wg/PCI-SIG/document/12614
> Thank you for sticking with this. I've reviewed the series and I think 
> this looks good for the next merge window.
>
> Acked-by: Keith Busch <keith.busch@...el.com>

Tested on a DPC-enabled PCIe switch (Broadcom PEX9733) in a Dell PowerEdge R740xd.  Injected fatal and non-fatal errors on an NVMe endpoint below the switch and on the switch downstream port itself and verified errors were contained and then recovered at the PCIe level.

Tested-by: Huong Nguyen <huong.nguyen@...l.com‎>
>
--
Sathyanarayanan Kuppuswamy
Linux kernel developer