Dear maintainer and all SR-IOV experts,
Im developing a board which is based on ARM SoC which support PCI Express
root-port.
Im trying to install and activate SR-IOV with Intel X520-SR2 on this
board(/w Linux). Up to now, ixgbe and ixgbevf driver is loaded successfully
but driver prints error when I try to do 'ifup'.
PF still in reset state.
While debugging it I found one important article from Intel community site,
http://communities.intel.com/message/158673#158673
I realized Intel 82599 require MSI-X for SR-IOV not MSI, but the ARM SoC
only support MSI.
What I want to know is if it is possible to activate SR-IOV with MSI (not
MSI-X). I know ixgbevf officially doesn't support MSI for SR-IOV but I just
want to use it for experimental test on the ARM environment. According to
the article, it seems there was no hardware limitation which prevent the
use of MSI. If so, can I make work SR-IOV using MSI instead of MSI-X by
little re-work ixgbevf(or ixgbe also) driver?
Please shed some light on this.
Best regards,
Minho Ban
SAMSUNG Electronics, Co., Ltd.
(Office) +82-31-301-8489 (Mobile) +82-10-8725-8864
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