Hi Jean, Michael, On 9/30/21 8:50 PM, Jean-Philippe Brucker wrote: > Replace the VIRTIO_IOMMU_F_BYPASS feature with > VIRTIO_IOMMU_F_BYPASS_CONFIG, which enables a config space bit to switch > global bypass on and off. > > Add a boot-bypass option, which defaults to 'on' to be in line with > other vIOMMUs and to allow running firmware/bootloader that are unaware > of the IOMMU. > > See the spec change for more rationale > https://lists.oasis-open.org/archives/virtio-dev/202109/msg00137.html
I guess the kernel bits should be merged in 5.17? Thanks Eric > > Jean-Philippe Brucker (3): > NOMERGE: virtio-iommu: Add definitions for > VIRTIO_IOMMU_F_BYPASS_CONFIG > virtio-iommu: Default to bypass during boot > virtio-iommu: Support bypass domain > > include/hw/virtio/virtio-iommu.h | 1 + > include/standard-headers/linux/virtio_iommu.h | 10 +++- > hw/virtio/virtio-iommu.c | 60 ++++++++++++++++--- > hw/virtio/trace-events | 4 +- > 4 files changed, 64 insertions(+), 11 deletions(-) >
