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

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2.51.2.vfs.0.1