On 2017.07.07 15:29:38 +0800, Zhenyu Wang wrote: > From: Tina Zhang <tina.zhang@xxxxxxxxx> > > Enable the guest i915 48bit full ppgtt functionality when host can provide > the capability. vgt_caps is introduced to guest i915 driver to get the vgpu > capabilities from the device model. VGT_CAPS_FULL_PPGTT_48BIT is one of the > capabilities type which let guest i915 dirver know that the guest 48bit > i915 full ppgtt is supported by device model. > > Notice that the minor version of pvinfo isn't bumped because of this > vgt_caps introduction, due to older guest would be broken by simply > increasing the pvinfo version. Although the pvinfo minor version doesn't > increase, the compatibility won't be blocked. The compatibility is ensured > by checking the value of caps field in pvinfo. Zero means no full ppgtt > support and BIT(2) means this feature is provided. > Note: as agreed with Joonas if i915 change is reviewed ok, this series will be merged through gvt tree for dependence. -- Open Source Technology Center, Intel ltd. $gpg --keyserver wwwkeys.pgp.net --recv-keys 4D781827
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