Forum Discussion

agula's avatar
agula
Icon for Occasional Contributor rankOccasional Contributor
5 years ago

PCIe SRIOV VF capabilities

Hi, When using virtual functions on the Arria 10 device , I notice that the virtual functions do not have the same maximum read size and maximum payload size as the physical function. Is there a wa...
Deshi_Intel's avatar
Deshi_Intel
Icon for Regular Contributor rankRegular Contributor
5 years ago

Hi,


So far based on all the article that I read so far there is no special control that limit device control register access for VF.


But one thing that I find out is for VF device control register in user guide doc is pointed to 0x048, not 0x088.

  • Just wonder have you try to change reg value at 0x048 ?


Thanks.


Regards,

dlim


agula's avatar
agula
Icon for Occasional Contributor rankOccasional Contributor
5 years ago

Changing 0x48 also does not work. Seems to be set read only. I am now using the Stratix 10. Is the register mapping the same ? The Stratix 10 SRIOV documentation does not seem to specify.