On Fri, 21 Feb 2025 at 14:54, Matthew R. Ochs <mo...@nvidia.com> wrote: > > The MMIO region size required to support virtualized environments with > large PCI BAR regions can exceed the hardcoded limit configured in QEMU. > For example, a VM with multiple NVIDIA Grace-Hopper GPUs passed through > requires more MMIO memory than the amount provided by VIRT_HIGH_PCIE_MMIO > (currently 512GB). Instead of updating VIRT_HIGH_PCIE_MMIO, introduce a > new parameter, highmem-mmio-size, that specifies the MMIO size required > to support the VM configuration. > > Example usage with 1TB MMIO region size: > -machine virt,gic-version=3,highmem-mmio-size=1T > > Signed-off-by: Matthew R. Ochs <mo...@nvidia.com> > Reviewed-by: Gavin Shan <gs...@redhat.com> > Reviewed-by: Shameer Kolothum <shameerali.kolothum.th...@huawei.com> > Reviewed-by: Eric Auger <eric.au...@redhat.com> > Reviewed-by: Nicolin Chen <nicol...@nvidia.com> > ---
Applied to target-arm.next, thanks. -- PMM
