This short series introduces hyperv root VM iommu kernel only driver. This driver acts as liason between the hypervisor and iommu layer. Details are both in the actual commit and in the comments in the file implementing it.
Thanks, -Mukesh V0: based on upstream hyperv-next commit be0cfab740e5 Mukesh R (3): PCI: hv: Export hv_build_devid_type_pci() and change return type mshv: Import data structs around device domains from hyperv headers x86/hyperv: Implement Hyper-V virtual IOMMU on root VMs arch/x86/hyperv/irqdomain.c | 9 +- arch/x86/include/asm/mshyperv.h | 6 + arch/x86/kernel/pci-dma.c | 2 + drivers/iommu/Kconfig | 1 + drivers/iommu/hyperv/Kconfig | 15 + drivers/iommu/hyperv/Makefile | 1 + drivers/iommu/hyperv/hv-iommu-root.c | 645 +++++++++++++++++++++++++++ include/asm-generic/mshyperv.h | 3 + include/hyperv/hvgdk_mini.h | 9 + include/hyperv/hvhdk_mini.h | 90 ++++ include/linux/hyperv.h | 6 + 11 files changed, 783 insertions(+), 4 deletions(-) create mode 100644 drivers/iommu/hyperv/Kconfig create mode 100644 drivers/iommu/hyperv/hv-iommu-root.c -- 2.51.2.vfs.0.1
