[dpdk-dev] [PATCH v2] igb_uio: issue FLR during open and release of device file

Ferruh Yigit ferruh.yigit at intel.com
Wed Jul 19 15:32:34 CEST 2017


On 7/12/2017 4:40 AM, Tan, Jianfeng wrote:
> 
> 
>> -----Original Message-----
>> From: Shijith Thotton [mailto:shijith.thotton at caviumnetworks.com]
>> Sent: Friday, July 7, 2017 7:14 PM
>> To: dev at dpdk.org
>> Cc: Yigit, Ferruh; Gregory Etelson; Thomas Monjalon; Stephen Hemminger;
>> Tan, Jianfeng; Lu, Wenzhuo
>> Subject: [PATCH v2] igb_uio: issue FLR during open and release of device file
>>
>> Set UIO info device file operations open and release. Call pci reset
>> function inside open and release to clear device state at start and end.
>> Copied this behaviour from vfio_pci kernel module code. With this patch,
>> it is not mandatory to issue FLR by PMD's during init and close.
>>
>> Bus master enable and disable are added in open and release respectively
>> to take care of device DMA.
>>
>> Signed-off-by: Shijith Thotton <shijith.thotton at caviumnetworks.com>
> 
> Reviewed-by: Jianfeng Tan <jianfeng.tan at intel.com>

Acked-by: Ferruh Yigit <ferruh.yigit at intel.com>


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