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[Qemu-devel] [v4 0/6] AMD IOMMU Interrupt remapping
From: |
David Kiarie |
Subject: |
[Qemu-devel] [v4 0/6] AMD IOMMU Interrupt remapping |
Date: |
Mon, 12 Sep 2016 13:08:03 +0300 |
Hello,
This patchset adds AMD IOMMU interrupt remapping logic to Qemu.
I have made some changes to the way X86 Qemu manages MSI routes. The
current code assumes that MSI routes are affiliated to a PCI device which
will not always be the case with split irqchip. With split irqchip platform
devices, in our case IOAPIC should be able to make interrupt requests via KVM.
That being said, we not have IOMMU interrupt remapping and these platform
devices
will be expected to make interrupt requests using an explicit SID. I have
therefore
made some changes so that MSI routes are affiliated to a Requester ID and a PCI
device
if one is present.
This patchset builds ontop of the AMD IOMMU patchset but is available here[1]
for quick
testing.
https://github.com/aslaq/qemu IR
David Kiarie (6):
hw/msi: Allow platform devices to use explicit SID
hw/i386: enforce SID verification
hw/iommu: Prepare for AMD IOMMU interrupt remapping
hw/iommu: AMD IOMMU interrupt remapping
hw/acpi: report IOAPIC on IVRS
hw/iommu: share common code between IOMMUs
hw/i386/acpi-build.c | 2 +
hw/i386/amd_iommu.c | 240 +++++++++++++++++++++++++++++++++++++-
hw/i386/amd_iommu.h | 82 +++++++++++++
hw/i386/intel_iommu.c | 89 +++++++-------
hw/i386/kvm/pci-assign.c | 12 +-
hw/i386/trace-events | 7 ++
hw/i386/x86-iommu.c | 8 ++
hw/intc/ioapic.c | 30 ++++-
hw/misc/ivshmem.c | 6 +-
hw/vfio/pci.c | 6 +-
hw/virtio/virtio-pci.c | 7 +-
include/hw/i386/ioapic_internal.h | 1 +
include/hw/i386/x86-iommu.h | 1 +
include/sysemu/kvm.h | 25 ++--
kvm-all.c | 10 +-
kvm-stub.c | 5 +-
qemu-version.h | 1 +
target-i386/kvm.c | 15 ++-
18 files changed, 461 insertions(+), 86 deletions(-)
create mode 100644 qemu-version.h
--
2.1.4