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From: Shijith Thotton <shijith.thotton@caviumnetworks.com>
To: Gregory Etelson <gregory@weka.io>
Cc: Stephen Hemminger <stephen@networkplumber.org>,
	dev@dpdk.org, Ferruh Yigit <ferruh.yigit@intel.com>,
	Qi Zhang <qi.z.zhang@intel.com>,
	Wenzhuo Lu <wenzhuo.lu@intel.com>
Subject: Re: [dpdk-dev] i40e igb_uio: reset pci on process exit
Date: Mon, 29 May 2017 16:31:48 +0530	[thread overview]
Message-ID: <20170529110141.GB28265@localhost.localdomain> (raw)
In-Reply-To: <2463262.6ozr8bnjWv@polaris>

On Mon, May 29, 2017 at 01:01:06PM +0300, Gregory Etelson wrote:
>    I still have to support Red Hat 6.x. These system do not have VFIO
> 
>    IGB_UIO is the only option there.
> 
>    Also, there was a discussion that claimed IGB_UIO has better performance
>    than VFIO.
> 
>    http://dpdk.org/ml/archives/dev/2014-August/004609.html
> 
>    Regards,
>    Gregory
> 

[..]
>> static int
>> igbuio_pci_open(struct uio_info *info, struct inode *inode)
>> {
>>	struct rte_uio_pci_dev *udev = info->priv;
>>	struct pci_dev *dev = udev->pdev;
>>
>>	return pci_reset_function(dev);
>> }
>>
>> and..
>> udev->info.open = igbuio_pci_open;
>>

I was suggesting to make reset part of open. It should work on your setup.

-	udev->info.release = igbuio_pci_release;
+	udev->info.open = igbuio_pci_open;

Shijith

  reply	other threads:[~2017-05-29 11:02 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-24 11:22 Gregory Etelson
2017-05-25 18:42 ` Stephen Hemminger
2017-05-26  4:30   ` Gregory Etelson
2017-05-26  6:05     ` Shijith Thotton
2017-05-26  6:17       ` Gregory Etelson
2017-05-26 15:53         ` Stephen Hemminger
2017-05-26 16:14           ` Gregory Etelson
2017-05-29  9:48             ` Shijith Thotton
2017-05-29 10:01               ` Gregory Etelson
2017-05-29 11:01                 ` Shijith Thotton [this message]
2017-05-29 11:21                   ` Gregory Etelson
2017-05-31 11:09                     ` [dpdk-dev] [RFC PATCH] igb_uio: issue FLR during open and release of device file Shijith Thotton
2017-05-31 12:20                       ` Ferruh Yigit
2017-05-31 15:30                         ` Stephen Hemminger
2017-05-31 17:11                           ` Ferruh Yigit
2017-06-01 11:35                             ` Shijith Thotton
2017-06-01 11:14                         ` Gregory Etelson
2017-06-04  7:22                         ` Gregory Etelson
2017-06-05  2:29                           ` Tan, Jianfeng
2017-06-05  5:57                             ` Gregory Etelson
2017-05-31 15:29                       ` Stephen Hemminger
2017-06-12  9:38                       ` [dpdk-dev] [PATCH] " Shijith Thotton
2017-07-05 23:42                         ` Thomas Monjalon
2017-07-06 16:41                         ` Ferruh Yigit
2017-07-06 17:27                           ` Gregory Etelson
2017-07-07 10:03                             ` Shijith Thotton
2017-07-07 10:16                               ` Ferruh Yigit
2017-07-07 11:13                         ` [dpdk-dev] [PATCH v2] " Shijith Thotton
2017-07-07 15:10                           ` Ferruh Yigit
2017-07-10  3:07                             ` Gregory Etelson
2017-07-11  5:42                               ` Gregory Etelson
2017-07-11 11:36                                 ` Gregory Etelson
2017-07-10  3:38                           ` Tan, Jianfeng
2017-07-10  7:10                             ` Shijith Thotton
2017-07-10  9:00                               ` Tan, Jianfeng
2017-07-10 10:42                                 ` Shijith Thotton
2017-07-12  3:37                                   ` Tan, Jianfeng
2017-07-12  3:40                           ` Tan, Jianfeng
2017-07-16  4:22                             ` Gregory Etelson
2017-07-19 13:32                             ` Ferruh Yigit
2017-07-19 16:19                               ` Gregory Etelson
2017-07-20 22:36                                 ` Thomas Monjalon

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