Hi all,
This patches series adds basic AMD IOMMU emulation support to Qemu. It's
currently in it's 10th version. Changes since V9 include
-amd_iommu prefixes have been renamed to a shorter 'amdvi' both in the macros
and in the functions/code. The register macros have not been moved to the
implementation file since almost the macros there are basically macros and
I
reckoned renaming them should suffice.
-taken care of byte order in the use of 'dma_memory_read'[Michael]
-Taken care of invalid DTE entries which is still subject discussion. I will
make any necessary changes based on discusion outcome.[Jan]
-An issue with the emulate IOMMU defaulting to AMD_IOMMU has be fixed[Marcel]
You can test this patches by starting with parameters
qemu-system-x86_64 -M q35,iommu=on,x-iommu-type=amd -m 2G -enable-kvm -smp
4 -cpu host -hda file.img -soundhw ac97
emulating whatever devices you want.
Not passing any command line parameters to linux should be enough to test this
patches since the devices are basically
passes-through but to the 'host' (l1 guest). You can still go ahead pass
command line parameter 'iommu=pt iommu=1'
and try to pass a device to L2 guest. This can also done without passing any
iommu related parameters to the kernel.
David Kiarie (4):
hw/i386: Introduce AMD IOMMU
hw/i386: ACPI IVRS table
hw/core: provision for overriding emulated IOMMU
hw/pci-host: Emulate AMD IOMMU
hw/acpi/aml-build.c | 2 +-
hw/core/machine.c | 29 +-
hw/i386/Makefile.objs | 1 +
hw/i386/acpi-build.c | 93 ++-
hw/i386/amd_iommu.c | 1405 +++++++++++++++++++++++++++++++++++++++++
hw/i386/amd_iommu.h | 340 ++++++++++
hw/pci-host/q35.c | 25 +-
include/hw/acpi/acpi-defs.h | 13 +
include/hw/acpi/aml-build.h | 1 +
include/hw/boards.h | 7 +
include/hw/i386/intel_iommu.h | 1 +
include/hw/pci/pci.h | 2 +
qemu-options.hx | 7 +-
util/qemu-config.c | 8 +-
14 files changed, 1912 insertions(+), 22 deletions(-)
create mode 100644 hw/i386/amd_iommu.c
create mode 100644 hw/i386/amd_iommu.h
--
2.1.4
