From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ferruh Yigit <ferruh.yigit@intel.com>
Subject: Re: [PATCH v7 0/6] Fail-safe\ethdev: fix removal
	handling lack
Date: Sun, 21 Jan 2018 20:28:09 +0000
Message-ID: <334636fe-62e9-e51d-055a-b8369478eff7@intel.com>
References: <1516274834-19755-1-git-send-email-matan@mellanox.com>
 <1516482744-8415-1-git-send-email-matan@mellanox.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 7bit
Cc: Thomas Monjalon <thomas@monjalon.net>, dev@dpdk.org
To: Matan Azrad <matan@mellanox.com>,
 Adrien Mazarguil <adrien.mazarguil@6wind.com>,
 Gaetan Rivet <gaetan.rivet@6wind.com>
Return-path: <dev-bounces@dpdk.org>
Received: from mga07.intel.com (mga07.intel.com [134.134.136.100])
 by dpdk.org (Postfix) with ESMTP id C0373A84C
 for <dev@dpdk.org>; Sun, 21 Jan 2018 21:28:12 +0100 (CET)
In-Reply-To: <1516482744-8415-1-git-send-email-matan@mellanox.com>
Content-Language: en-US
List-Id: DPDK patches and discussions <dev.dpdk.org>
List-Unsubscribe: <https://dpdk.org/ml/options/dev>,
 <mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://dpdk.org/ml/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <https://dpdk.org/ml/listinfo/dev>,
 <mailto:dev-request@dpdk.org?subject=subscribe>
Errors-To: dev-bounces@dpdk.org
Sender: "dev" <dev-bounces@dpdk.org>

On 1/20/2018 9:12 PM, Matan Azrad wrote:
> There is time between the physical removal of the device until sub-device PMDs get a RMV interrupt. 
> At this time DPDK PMDs and applications still don't know about the removal and may call sub-device control operation which should return an error.
> 
> This series adds new ethdev operation to check device removal, adds support for it in mlx PMDs, adjust ethdev APIs to return -EIO in case of removal and fixes the fail-safe bug of removal error report.
> 
> V2:
> Remove ENODEV definition.
> Remove checks from all mlx control commands.
> Add new devop - "is_removed".
> Implement it in mlx4 and mlx5.
> Fix failsafe bug by the new devop.
> 
> V3:
> Adjust ethdev APIs removal error report.
> Change failsafe check to check eth_dev* return values.
> Remove backporting of fail-safe patch.
> 
> V4:
> Improve fail-safe internal API to adjust the actual error value as discussed.
> Remove "Fixes" lines from fail-safe patch.
> No changes in ethdev\mlx patches.
> 
> V5:
> Rebase on top of master-net-mlx. 
> 
> V6:
> Move ethdev new API to be EXPERIMENTAL.
> 
> V7:
> Fix API return value description.
> Swap checks in the new API as Konstantin suggested.
> Add comment in the API as Ferruh suggested.
> 
> Matan Azrad (6):
>   ethdev: add devop to check removal status
>   net/mlx4: support a device removal check operation
>   net/mlx5: support a device removal check operation
>   ethdev: adjust APIs removal error report
>   ethdev: adjust flow APIs removal error report
>   net/failsafe: fix removed device handling

Series applied to dpdk-next-net/master, thanks.