[dpdk-users] Cannot bind to driver vfio-pci

[RanjithKumar]

Hello All,



I have installed DPDK 2.0 on a Virtual machine which launched by using
openstack. But I could not bind the NIC to DPDK. The below are steps which
I tried



*1.       **dpdk_nic_bind.py –s*

ubuntu at mysite-vpgwu-slice1-25:~/dpdk-2.0.0/tools$ ./dpdk_nic_bind.py --s



Network devices using DPDK-compatible driver

============================================

<none>



Network devices using kernel driver

===================================

0000:00:03.0 'Virtio network device' if= drv=virtio-pci unused=

0000:00:04.0 'Virtio network device' if= drv=virtio-pci unused=

0000:00:05.0 'Virtio network device' if= drv=virtio-pci unused=

0000:00:06.0 'Virtio network device' if= drv=virtio-pci unused=

0000:00:07.0 'Virtio network device' if= drv=virtio-pci unused=



Other network devices

=====================

<none>



*2.       **./setup.sh ( for loading VFIO Module)*

----------------------------------------------------------

 Step 2: Setup linuxapp environment

----------------------------------------------------------

[12] Insert IGB UIO module

[13] Insert VFIO module

[14] Insert KNI module

[15] Setup hugepage mappings for non-NUMA systems

[16] Setup hugepage mappings for NUMA systems

[17] Display current Ethernet device settings

[18] Bind Ethernet device to IGB UIO module

[19] Bind Ethernet device to VFIO module

[20] Setup VFIO permissions



----------------------------------------------------------

 Step 3: Run test application for linuxapp environment

----------------------------------------------------------

[21] Run test application ($RTE_TARGET/app/test)

[22] Run testpmd application in interactive mode ($RTE_TARGET/app/testpmd)



----------------------------------------------------------

 Step 4: Other tools

----------------------------------------------------------

[23] List hugepage info from /proc/meminfo



----------------------------------------------------------

 Step 5: Uninstall and system cleanup

----------------------------------------------------------

[24] Uninstall all targets

[25] Unbind NICs from IGB UIO or VFIO driver

[26] Remove IGB UIO module

[27] Remove VFIO module

[28] Remove KNI module

[29] Remove hugepage mappings



[30] Exit Script



Option: 13



Unloading any existing VFIO module

Loading VFIO module

chmod /dev/vfio

OK



3.       *./setup.sh ( for setting hugepage)*



----------------------------------------------------------

 Step 2: Setup linuxapp environment

----------------------------------------------------------

[12] Insert IGB UIO module

[13] Insert VFIO module

[14] Insert KNI module

[15] Setup hugepage mappings for non-NUMA systems

[16] Setup hugepage mappings for NUMA systems

[17] Display current Ethernet device settings

[18] Bind Ethernet device to IGB UIO module

[19] Bind Ethernet device to VFIO module

[20] Setup VFIO permissions



----------------------------------------------------------

 Step 3: Run test application for linuxapp environment

----------------------------------------------------------

[21] Run test application ($RTE_TARGET/app/test)

[22] Run testpmd application in interactive mode ($RTE_TARGET/app/testpmd)



----------------------------------------------------------

 Step 4: Other tools

----------------------------------------------------------

[23] List hugepage info from /proc/meminfo



----------------------------------------------------------

 Step 5: Uninstall and system cleanup

----------------------------------------------------------

[24] Uninstall all targets

[25] Unbind NICs from IGB UIO or VFIO driver

[26] Remove IGB UIO module

[27] Remove VFIO module

[28] Remove KNI module

[29] Remove hugepage mappings



[30] Exit Script



Option: 15



Removing currently reserved hugepages

Unmounting /mnt/huge and removing directory



  Input the number of 2MB pages

  Example: to have 128MB of hugepages available, enter '64' to

  reserve 64 * 2MB pages

Number of pages: 64

Reserving hugepages

Creating /mnt/huge and mounting as hugetlbfs



*4.       **dpdk_nic_bind.py –s*

ubuntu at mysite-vpgwu-slice1-25:~/dpdk-2.0.0/tools$ ./dpdk_nic_bind.py --s



Network devices using DPDK-compatible driver

============================================

<none>



Network devices using kernel driver

===================================

0000:00:03.0 'Virtio network device' if= drv=virtio-pci unused=vfio-pci

0000:00:04.0 'Virtio network device' if= drv=virtio-pci unused=vfio-pci

0000:00:05.0 'Virtio network device' if= drv=virtio-pci unused=vfio-pci

0000:00:06.0 'Virtio network device' if= drv=virtio-pci unused=vfio-pci

0000:00:07.0 'Virtio network device' if= drv=virtio-pci unused=vfio-pci



Other network devices

=====================

<none>



*5.       **binding a Virtual NIC to DPDK*

----------------------------------------------------------

 Step 2: Setup linuxapp environment

----------------------------------------------------------

[12] Insert IGB UIO module

[13] Insert VFIO module

[14] Insert KNI module

[15] Setup hugepage mappings for non-NUMA systems

[16] Setup hugepage mappings for NUMA systems

[17] Display current Ethernet device settings

[18] Bind Ethernet device to IGB UIO module

[19] Bind Ethernet device to VFIO module

[20] Setup VFIO permissions



----------------------------------------------------------

 Step 3: Run test application for linuxapp environment

----------------------------------------------------------

[21] Run test application ($RTE_TARGET/app/test)

[22] Run testpmd application in interactive mode ($RTE_TARGET/app/testpmd)



----------------------------------------------------------

 Step 4: Other tools

----------------------------------------------------------

[23] List hugepage info from /proc/meminfo



----------------------------------------------------------

 Step 5: Uninstall and system cleanup

----------------------------------------------------------

[24] Uninstall all targets

[25] Unbind NICs from IGB UIO or VFIO driver

[26] Remove IGB UIO module

[27] Remove VFIO module

[28] Remove KNI module

[29] Remove hugepage mappings



[30] Exit Script



Option: 19





Network devices using DPDK-compatible driver

============================================

<none>



Network devices using kernel driver

===================================

0000:00:03.0 'Virtio network device' if= drv=virtio-pci unused=vfio-pci

0000:00:04.0 'Virtio network device' if= drv=virtio-pci unused=vfio-pci

0000:00:05.0 'Virtio network device' if= drv=virtio-pci unused=vfio-pci

0000:00:06.0 'Virtio network device' if= drv=virtio-pci unused=vfio-pci

0000:00:07.0 'Virtio network device' if= drv=virtio-pci unused=vfio-pci



Other network devices

=====================

<none>



Enter PCI address of device to bind to VFIO driver: 0000:00:03.0

Error: bind failed for 0000:00:03.0 - Cannot bind to driver vfio-pci

Error: unbind failed for 0000:00:03.0 - Cannot open
/sys/bus/pci/drivers//unbind



Any inputs to resolve this issue.



Regards,

Ranjith