Re: [vfio-users] Not binding GPU to vfio-pci

2016-02-21 Thread Nick Sarnie
Awesome, thanks for the link. On Sun, Feb 21, 2016 at 1:09 PM, wrote: > For your quick question is there answer. I ask litle bit same in this > thread. > https://www.redhat.com/archives/vfio-users/2016-February/msg00033.html > > > 2016-02-21 17:45 GMT+01:00 Nick Sarnie : > >> Hi Alex, >> >> Yea

Re: [vfio-users] Not binding GPU to vfio-pci

2016-02-21 Thread rudeboyjamaica
For your quick question is there answer. I ask litle bit same in this thread. https://www.redhat.com/archives/vfio-users/2016-February/msg00033.html 2016-02-21 17:45 GMT+01:00 Nick Sarnie : > Hi Alex, > > Yeah it seems you're right, the qemu command has "-device > vfio-pci,host=01:00.0,id=hostd

Re: [vfio-users] Not binding GPU to vfio-pci

2016-02-21 Thread Nick Sarnie
Hi Alex, Yeah it seems you're right, the qemu command has "-device vfio-pci,host=01:00.0,id=hostdev2,bus=pci.0,addr=0x2", so it seems it is using vfio-pci.Thanks for the information. One more quick question: I'm using SeaBIOS for my VM. My GPU doesn't support UEFI Secure/Fast booting. Can I use a

Re: [vfio-users] Not binding GPU to vfio-pci

2016-02-21 Thread Alex Williamson
On Sun, Feb 21, 2016 at 9:06 AM, Nick Sarnie wrote: > Sorry, I'm not sure if I'm using legacy device assignment. My script is > stop xdm, echo ":01:00.0" > /sys/bus/pci/drivers/radeon/unbind echo > ":01:00.1" > /sys/bus/pci/drivers/radeon/unbind and then start xdm. I > use virt-manager wi

Re: [vfio-users] Not binding GPU to vfio-pci

2016-02-21 Thread Nick Sarnie
Sorry, I'm not sure if I'm using legacy device assignment. My script is stop xdm, echo ":01:00.0" > /sys/bus/pci/drivers/radeon/unbind echo ":01:00.1" > /sys/bus/pci/drivers/radeon/unbind and then start xdm. I use virt-manager with libvirt, and I added the gpu to the VM with PCI Host Device

Re: [vfio-users] Not binding GPU to vfio-pci

2016-02-20 Thread Alex Williamson
On Sat, 20 Feb 2016 18:47:29 -0500 Nick Sarnie wrote: > Hi guys, > When i want to do gpu-passthrough, i just unbind my GPU from radeon, and > then pass it to qemu. I don't bind it to vfio-pci or any driver and it > works fine. Is there any downside or performance loss to doing it this way? Does

Re: [vfio-users] Not binding GPU to vfio-pci

2016-02-20 Thread thibaut noah
2016-02-21 0:47 GMT+01:00 Nick Sarnie : > When i want to do gpu-passthrough, i just unbind my GPU from radeon, and > then pass it to qemu. I don't bind it to vfio-pci or any driver and it > works fine. Is there any downside or performance loss to doing it this way? > I remember alex advising peop

[vfio-users] Not binding GPU to vfio-pci

2016-02-20 Thread Nick Sarnie
Hi guys, When i want to do gpu-passthrough, i just unbind my GPU from radeon, and then pass it to qemu. I don't bind it to vfio-pci or any driver and it works fine. Is there any downside or performance loss to doing it this way? Thanks, sarnex ___ vfio-u