Also, this is what the kernel shows. .... [ 2812.456773] pci 0000:01 : [PE# 00] Enabling 64-bit DMA bypass [ 2876.395586] pci 0000:01 : [PE# 00] Disabling 64-bit DMA bypass [ 2876.395593] pci 0000:01 : [PE# 00] Removing DMA window #0 [ 2876.395705] pci 0000:01 : [PE# 00] Removing DMA window #0 [ 2876.395711] pci 0000:01 : [PE# 00] Removing DMA window #1 [ 2876.399657] pci 0000:01 : [PE# 00] Setting up window#0 0..7fffffff pg=1000 [ 2876.399663] pci 0000:01 : [PE# 00] Enabling 64-bit DMA bypass [ 6519.671051] pci 0000:01 : [PE# 00] Disabling 64-bit DMA bypass [ 6519.671059] pci 0000:01 : [PE# 00] Removing DMA window #0 [ 6519.671174] pci 0000:01 : [PE# 00] Removing DMA window #0 [ 6519.671180] pci 0000:01 : [PE# 00] Removing DMA window #1 [ 6519.675520] pci 0000:01 : [PE# 00] Setting up window#0 0..7fffffff pg=1000 [ 6519.675526] pci 0000:01 : [PE# 00] Enabling 64-bit DMA bypass [ 9015.064426] pci 0000:01 : [PE# 00] Disabling 64-bit DMA bypass [ 9015.064432] pci 0000:01 : [PE# 00] Removing DMA window #0 [ 9015.064527] pci 0000:01 : [PE# 00] Removing DMA window #0 [ 9015.064531] pci 0000:01 : [PE# 00] Removing DMA window #1 [ 9015.067168] pci 0000:01 : [PE# 00] Setting up window#0 0..7fffffff pg=1000 [ 9015.067173] pci 0000:01 : [PE# 00] Enabling 64-bit DMA bypass
Daniel -----"Wiles, Keith" <keith.wi...@intel.com> wrote: ----- To: Daniel Waddington <daniel.wadding...@ibm.com> From: "Wiles, Keith" <keith.wi...@intel.com> Date: 01/09/2019 03:35PM Cc: "dev@dpdk.org" <dev@dpdk.org> Subject: Re: [dpdk-dev] DPDK on IBM Power9 > On Jan 9, 2019, at 5:22 PM, Daniel Waddington <daniel.wadding...@ibm.com> > wrote: > > This NIC (000:01:00.0) is supported (Intel XL710). I assume that I can use > VFIO instead of UIO. UIO is really bad from a security perspective. > > I think its the "cannot create new DMA window, error 22" which is the first > indicator of the problem. > > Daniel > > -----"Wiles, Keith" <keith.wi...@intel.com> wrote: ----- > To: Daniel Waddington <daniel.wadding...@ibm.com> > From: "Wiles, Keith" <keith.wi...@intel.com> > Date: 01/09/2019 02:52PM > Cc: "dev@dpdk.org" <dev@dpdk.org> > Subject: Re: [dpdk-dev] DPDK on IBM Power9 > > >> On Jan 9, 2019, at 4:25 PM, Daniel Waddington <daniel.wadding...@ibm.com> >> wrote: >> >> Hi, >> I'm trying to run DPDK 18.11 on IBM Power9. Should it run? (I'n new to >> DPDK on Power). >> Thx, >> Daniel >> Below is what I get: >> >> $ sudo ./examples/ethtool/ethtool-app/ppc_64-power8-linuxapp-gcc/app/ethtool >> --iova-mode=pa -c7 -w 0000:01:00.0 >> EAL: Detected 128 lcore(s) >> EAL: Detected 2 NUMA nodes >> EAL: Multi-process socket /var/run/dpdk/rte/mp_socket >> EAL: Probing VFIO support... >> EAL: VFIO support initialized >> EAL: PCI device 0000:01:00.0 on NUMA socket 0 >> EAL: probe driver: 8086:1583 net_i40e >> EAL: using IOMMU type 7 (sPAPR) >> EAL: cannot create new DMA window, error 22 (Invalid argument) >> EAL: Could not create new DMA window >> EAL: 0000:01:00.0 DMA remapping failed, error 22 (Invalid argument) >> EAL: Requested device 0000:01:00.0 cannot be used >> Number of NICs: 0 >> EAL: Error - exiting with code: 1 >> Cause: No available NIC ports! >> > > From the message above you need support NIC for DPDK is all or you a NIC > needs to be bound to something like igb_uio for linux. I have never run DPDK > on power before and not sure what is next other then using a supported NIC. > Yes you should be able to use VFIO. Did you bind the NIC to VFIO ? There should be some docs about how that is done. Beyond this I have not idea? >> >> > > Regards, > Keith > > Regards, Keith
