Re: FLR on AER
On 2/22/2018 8:21 AM, Jon Masters wrote: > Hi Bjorn, > > It looks like the AER driver won’t do a device FLR but instead will default > to progressively bigger hammers. Am I missing something? > AFAIK, AER driver does a secondary bus reset only if it observes a FATAL error. In order to issue an FLR, driver needs to access the endpoint config space. Since there is a FATAL error, this is not possible as PCI link is unreliable or probably gone. > Jon. > -- Sinan Kaya Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc. Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.
Re: FLR on AER
On 2/22/2018 8:21 AM, Jon Masters wrote: > Hi Bjorn, > > It looks like the AER driver won’t do a device FLR but instead will default > to progressively bigger hammers. Am I missing something? > AFAIK, AER driver does a secondary bus reset only if it observes a FATAL error. In order to issue an FLR, driver needs to access the endpoint config space. Since there is a FATAL error, this is not possible as PCI link is unreliable or probably gone. > Jon. > -- Sinan Kaya Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc. Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.
FLR on AER
Hi Bjorn, It looks like the AER driver won’t do a device FLR but instead will default to progressively bigger hammers. Am I missing something? Jon. -- Computer Architect | Sent from my 64-bit #ARM Powered phone
FLR on AER
Hi Bjorn, It looks like the AER driver won’t do a device FLR but instead will default to progressively bigger hammers. Am I missing something? Jon. -- Computer Architect | Sent from my 64-bit #ARM Powered phone
