Re: [ANNOUNCE][RFC] KVMGT - the implementation of Intel GVT-g(full GPU virtualization) for KVM

2015-10-27 Thread Jike Song
Hi all, We are pleased to announce another update of Intel GVT-g for KVM. Intel GVT-g is a full GPU virtualization solution with mediated pass-through, starting from 4th generation Intel Core(TM) processors with Intel Graphics processors. A virtual GPU instance is maintained for each VM, with

Re: [ANNOUNCE][RFC] KVMGT - the implementation of Intel GVT-g(full GPU virtualization) for KVM

2014-12-10 Thread Paolo Bonzini
On 11/12/2014 01:33, Tian, Kevin wrote: My point is that KVMGT doesn't introduce new requirements as what's required in IGD passthrough case, because all the hacks you see now is to satisfy guest graphics driver's expectation. I haven't follow up the KVM IGD passthrough progress, but if it

Re: [ANNOUNCE][RFC] KVMGT - the implementation of Intel GVT-g(full GPU virtualization) for KVM

2014-12-09 Thread Jan Kiszka
On 2014-12-04 03:24, Jike Song wrote: Hi all, We are pleased to announce the first release of KVMGT project. KVMGT is the implementation of Intel GVT-g technology, a full GPU virtualization solution. Under Intel GVT-g, a virtual GPU instance is maintained for each VM, with part of

Re: [ANNOUNCE][RFC] KVMGT - the implementation of Intel GVT-g(full GPU virtualization) for KVM

2014-12-09 Thread Jike Song
CC Kevin. On 12/09/2014 05:54 PM, Jan Kiszka wrote: On 2014-12-04 03:24, Jike Song wrote: Hi all, We are pleased to announce the first release of KVMGT project. KVMGT is the implementation of Intel GVT-g technology, a full GPU virtualization solution. Under Intel GVT-g, a virtual GPU

Re: [ANNOUNCE][RFC] KVMGT - the implementation of Intel GVT-g(full GPU virtualization) for KVM

2014-12-08 Thread Gerd Hoffmann
On Sa, 2014-12-06 at 12:17 +0800, Jike Song wrote: On 12/05/2014 04:50 PM, Gerd Hoffmann wrote: A few comments on the kernel stuff (brief look so far, also compile-tested only, intel gfx on my test machine is too old). * Noticed the kernel bits don't even compile when configured as

Re: [ANNOUNCE][RFC] KVMGT - the implementation of Intel GVT-g(full GPU virtualization) for KVM

2014-12-05 Thread Gerd Hoffmann
Hi, In KVMGT, we need to register an iodev only *after* BAR registers are written by guest. Oh, the guest can write the bar register at any time. Typically it happens at boot only, but it can also happen at runtime, for example on reboot. I've also seen the

Re: [ANNOUNCE][RFC] KVMGT - the implementation of Intel GVT-g(full GPU virtualization) for KVM

2014-12-05 Thread Paolo Bonzini
On 05/12/2014 09:50, Gerd Hoffmann wrote: A few comments on the kernel stuff (brief look so far, also compile-tested only, intel gfx on my test machine is too old). * Noticed the kernel bits don't even compile when configured as module. Everything (vgt, i915, kvm) must be compiled

Re: [ANNOUNCE][RFC] KVMGT - the implementation of Intel GVT-g(full GPU virtualization) for KVM

2014-12-05 Thread Jike Song
On 12/05/2014 04:50 PM, Gerd Hoffmann wrote: A few comments on the kernel stuff (brief look so far, also compile-tested only, intel gfx on my test machine is too old). * Noticed the kernel bits don't even compile when configured as module. Everything (vgt, i915, kvm) must be compiled

Re: [ANNOUNCE][RFC] KVMGT - the implementation of Intel GVT-g(full GPU virtualization) for KVM

2014-12-05 Thread Jike Song
CC Andy :) On 12/05/2014 09:03 PM, Paolo Bonzini wrote: On 05/12/2014 09:50, Gerd Hoffmann wrote: A few comments on the kernel stuff (brief look so far, also compile-tested only, intel gfx on my test machine is too old). * Noticed the kernel bits don't even compile when configured as