Re: [dpdk-dev] Problems when testing l2fwd with ixgbevf pmd dirver

["Dong, Binghua" <binghua.dong@intel.com>]

Hi Lilijun,

I think you need unbind the device 02:10.0 from driver ixgbevf first; In Host Linux, you also need ifconfig up the PF eth of this VF;
Please ref my script to unbind a VF device and pass into VM, such as:
PCI_eth="0000:02:10.0"
ID_eth="ffff ffff"
PCIX_eth=" -device pci-assign,host="${PCI_eth}
echo $ID_eth > /sys/bus/pci/drivers/pci-stub/new_id
echo ${PCI_eth} > /sys/bus/pci/devices/${PCI_eth}/driver/unbind
echo ${PCI_eth} > /sys/bus/pci/drivers/pci-stub/bind
CMD=${CMD}${PCIX_eth}

==============================================================================================
#!/bin/bash
ID="8086 0442"
PCI="0000:83:01"
IMG="/root/test_image/sles11sp2.img"
HOST=" -vnc 172.16.200.166:1 "
PCIX=" -device pci-assign,host="${PCI}
CDROM=" -cdrom /root/QAT/driver.iso "


CMD="qemu-system-x86_64 -m 2048 -smp 4 -hda "${IMG}${HOST}" -enable-kvm "
#ADD CCK
if [ 1 -eq 0 ];then
echo $ID > /sys/bus/pci/drivers/pci-stub/new_id
for i in 4 5 6 7
do
echo ${PCI}"."$i > /sys/bus/pci/devices/${PCI}"."$i/driver/unbind
echo ${PCI}"."$i > /sys/bus/pci/drivers/pci-stub/bind
CMD=${CMD}${PCIX}.$i
done
fi

#ADD ETH
if [ 1 -eq 0 ];then
PCI_eth="0000:02:00.1"
ID_eth="8086 1521"
PCIX_eth=" -device pci-assign,host="${PCI_eth}
echo $ID_eth > /sys/bus/pci/drivers/pci-stub/new_id
echo ${PCI_eth} > /sys/bus/pci/devices/${PCI_eth}/driver/unbind
echo ${PCI_eth} > /sys/bus/pci/drivers/pci-stub/bind
CMD=${CMD}${PCIX_eth}
fi

#ADD CDROM
#CMD=${CMD}${CDROM}
echo $CMD

#rmmod kvm_intel
#rmmod kvm
modprobe kvm
modprobe kvm_intel
$CMD


-----Original Message-----
From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Lilijun
Sent: Thursday, October 23, 2014 11:36 AM
To: dev@dpdk.org
Subject: [dpdk-dev] Problems when testing l2fwd with ixgbevf pmd dirver

Hi all,

I am testing the example l2fwd of dpdk-1.7.0 using intel 82599 VF NICs.
But the VF can't be used when doing probe pmd driver with following error:

EAL: PCI device 0000:02:10.0 on NUMA socket -1
EAL:   probe driver: 8086:10ed rte_ixgbevf_pmd
EAL:   PCI memory mapped at 0x7f78b181f000
EAL:   PCI memory mapped at 0x7f78b181b000
EAL: Error - exiting with code: 1
  Cause: Requested device 0000:02:10.0 cannot be used

Any suggestions?

Thanks,
Jerry