On 01/29/15 at 02:03pm, Mark D. Gray wrote: > 2. Setup DPDK devices: > + > + DPDK devices can be setup using either the VFIO (for DPDK 1.7+) or UIO > + modules. UIO requires inserting an out of tree driver igb_uio.ko that is > + available in DPDK. Setup for both methods are described below. > + > + UIO: > 1. insert uio.ko: `modprobe uio` > 2. insert igb_uio.ko: `insmod $DPDK_BUILD/kmod/igb_uio.ko` > 3. Bind network device to igb_uio: `$DPDK_DIR/tools/dpdk_nic_bind.py > --bind=igb_uio eth1` > > + VFIO: > + > + VFIO needs to be supported in the kernel and the BIOS. More information > + can be found in the [DPDK Linux GSG]. > + > + 1. Insert vfio-pci.ko: `modprobe vfio-pci` > + 2. Set correct permissions on vfio device: `sudo /usr/bin/chmod a+x > /dev/vfio` > + and: `sudo /usr/bin/chmod 0666 /dev/vfio/*` > + 3. insert igb_uio.ko: `insmod $DPDK_BUILD/kmod/igb_uio.ko`
I'm slightly confused: Above you say "UIO requires inserting an out of tree driver igb_uio.ko that is available in DPDK." but it seems that VFIO needs the same module loaded as well (step 3). _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev