Hey Minho, I believe that it would be problematic at best since as MSI uses identical address for all vectors in a Function and differentiates vectors in a Function only by LSBs in data.
Thanks, -Don Skidmore <[email protected]> > -----Original Message----- > From: mhban [mailto:[email protected]] > Sent: Thursday, June 13, 2013 12:40 AM > To: Kirsher, Jeffrey T > Cc: [email protected]; Brandeburg, Jesse > Subject: [E1000-devel] Regarding 82599 SR-IOV support in MSI > > Dear maintainer and all SR-IOV experts, > > I'm developing a board which is based on ARM SoC which support PCI > Express root-port. > I'm 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 > > > ------------------------------------------------------------------------------ > This SF.net email is sponsored by Windows: > > Build for Windows Store. > > http://p.sf.net/sfu/windows-dev2dev > _______________________________________________ > E1000-devel mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/e1000-devel > To learn more about Intel® Ethernet, visit > http://communities.intel.com/community/wired ------------------------------------------------------------------------------ This SF.net email is sponsored by Windows: Build for Windows Store. http://p.sf.net/sfu/windows-dev2dev _______________________________________________ E1000-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/e1000-devel To learn more about Intel® Ethernet, visit http://communities.intel.com/community/wired
