[dpdk-dev] [PATCH v2 22/52] net/ice/base: increase timeout after PFR

[Zhang, Qi Z]

> -----Original Message-----
> From: Yigit, Ferruh <ferruh.yigit at intel.com>
> Sent: Friday, June 12, 2020 2:38 AM
> To: Zhang, Qi Z <qi.z.zhang at intel.com>; Yang, Qiming <qiming.yang at intel.com>
> Cc: Ye, Xiaolong <xiaolong.ye at intel.com>; dev at dpdk.org; Nowlin, Dan
> <dan.nowlin at intel.com>; Stillwell Jr, Paul M <paul.m.stillwell.jr at intel.com>
> Subject: Re: [dpdk-dev] [PATCH v2 22/52] net/ice/base: increase timeout after
> PFR
> 
> On 6/9/2020 12:59 PM, Qi Zhang wrote:
> > To allow for resets during package download, increase the timeout
> > period after performing a PFR. The time waited is the global config
> > lock timeout plus the normal PFSWR timeout.
> 
> Is PFR == PF Reset, right? And is this same as FLR?
Yes, PFR is PF Reset, but its not same as FLR, FLR is PF level reset, which specific for operation system set FLR bit in the PCIe config
While FLR will trigger PF reset, but device driver can also setting specific register to reset the PF.

Regards
Qi
> 
> >
> > Signed-off-by: Dan Nowlin <dan.nowlin at intel.com>
> > Signed-off-by: Paul M. Stillwell Jr <paul.m.stillwell.jr at intel.com>
> > Signed-off-by: Qi Zhang <qi.z.zhang at intel.com>
> 
> <...>