> From: Ankit Agrawal <ankita@xxxxxxxxxx> > Sent: Monday, September 11, 2023 4:18 PM > > >> I don't see the goal as perfect emulation of the real HW. > >> > >> Aiming for minimally disruptive to the ecosystem to support this > >> quirky pre-CXL HW. > >> > >> Perfect emulation would need a unique VFIO uAPI and more complex > qemu > >> changes, and it really brings nothing of value. > >> > > > > Does it mean that this requires maintaining a new guest driver > > different from the existing one on bare metal? > > No, the VM would use the same Nvidia open source driver that is used by the > bare metal. (https://github.com/NVIDIA/open-gpu-kernel-modules). because this driver already supports two ways of accessing the aperture: one via the firmware table, the other using this fake BAR2?
