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qemu: enable iommu on q35

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Add a configuration option and a Pod Annotation

If activated:
- Add kernel parameters to load iommu
- Add irqchip=split in the kvm options
- Add a vIOMMU to the VM

Fixes #2694
Signed-off-by: Adrian Moreno <amorenoz@redhat.com>
Signed-off-by: Fabiano Fidêncio <fidencio@redhat.com>
This commit is contained in:
Adrian Moreno
2020-03-12 13:00:29 +01:00
committed by Fabiano Fidêncio
parent 7faaa06a52
commit b97287090b
11 changed files with 66 additions and 2 deletions
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2
src/runtime/virtcontainers/pkg/oci/utils_test.go
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@@ -771,6 +771,7 @@ func TestAddHypervisorAnnotations(t *testing.T) {
ocispec.Annotations[vcAnnotations.EnableSwap] = "true"
ocispec.Annotations[vcAnnotations.FileBackedMemRootDir] = "/dev/shm"
ocispec.Annotations[vcAnnotations.HugePages] = "true"
ocispec.Annotations[vcAnnotations.IOMMU] = "true"
ocispec.Annotations[vcAnnotations.BlockDeviceDriver] = "virtio-scsi"
ocispec.Annotations[vcAnnotations.DisableBlockDeviceUse] = "true"
ocispec.Annotations[vcAnnotations.EnableIOThreads] = "true"
@@ -802,6 +803,7 @@ func TestAddHypervisorAnnotations(t *testing.T) {
assert.Equal(config.HypervisorConfig.Mlock, false)
assert.Equal(config.HypervisorConfig.FileBackedMemRootDir, "/dev/shm")
assert.Equal(config.HypervisorConfig.HugePages, true)
assert.Equal(config.HypervisorConfig.IOMMU, true)
assert.Equal(config.HypervisorConfig.BlockDeviceDriver, "virtio-scsi")
assert.Equal(config.HypervisorConfig.DisableBlockDeviceUse, true)
assert.Equal(config.HypervisorConfig.EnableIOThreads, true)