Greetings Erik, > Sent: Tuesday, August 11, 2020 at 10:11 AM > From: "Erik Skultety" <eskultet@xxxxxxxxxx> > To: "daggs" <daggs@xxxxxxx> > Cc: libvirt-users@xxxxxxxxxx > Subject: Re: pass-though Intel gpu int o a vm > > On Sat, Aug 08, 2020 at 06:44:26PM +0200, daggs wrote: > > Greetings, > > > > I have a server that run a vm with several nic pcie cards as pass-though. > > the board has an intel gpu and the hdmi output is not used. > > I thought of booting up another vm and pass the gpu into it. > > I found several discussions on the subject stating that it isn't possible but all of them are several years old. > > I wonder if that has changed? is there a way to pt the vga to a vm? > > > > Thanks, > > > > Dagg. > > > > Hi, > libvirt has supported host device assignment for quite some time, so from that > perspective, you can follow [1] and see if your card works in the VM. The GPU > assignment involves the userspace VFIO driver and there are a few factors in > play which may render the assignment either not work at all or work with > limitations. In any case, this question would be better asked at > vfio-users@xxxxxxxxxx mailing list should you experience any issues with [1]. I'll try ask them, thanks. > > Regards, > Erik > > [1] https://libvirt.org/formatdomain.html#host-device-assignment > > PS: You can even try assigning the GPU from within virt-manager which produces > the right XML bits for libvirt. I've never tried assigning an integrated Intel > GPU on my laptop (for obvious reasons), so I can't give you the kind of answer > guaranteeing this would work 100%. > > the system in question is a headless server so virt-manager is nto an option. thanks for the suggestion thought. Dagg.
