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memory/iommu: introduce IOMMUMemoryRegionClass

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This finishes QOM'fication of IOMMUMemoryRegion by introducing
a IOMMUMemoryRegionClass. This also provides a fastpath analog for
IOMMU_MEMORY_REGION_GET_CLASS().

This makes IOMMUMemoryRegion an abstract class.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Message-Id: <20170711035620.4232-3-aik@ozlabs.ru>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Alexey Kardashevskiy 2017-07-11 13:56:20 +10:00 • committed by Paolo Bonzini
parent 3df9d74806
commit 1221a47467
15 changed files with 205 additions and 70 deletions
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5
hw/s390x/s390-pci-inst.c
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@ -564,6 +564,7 @@ int rpcit_service_call(S390CPU *cpu, uint8_t r1, uint8_t r2)
hwaddr start, end;
IOMMUTLBEntry entry;
IOMMUMemoryRegion *iommu_mr;
IOMMUMemoryRegionClass *imrc;
cpu_synchronize_state(CPU(cpu));
@ -623,8 +624,10 @@ int rpcit_service_call(S390CPU *cpu, uint8_t r1, uint8_t r2)
}
iommu_mr = &iommu->iommu_mr;
imrc = IOMMU_MEMORY_REGION_GET_CLASS(iommu_mr);
while (start < end) {
entry = iommu_mr->iommu_ops->translate(iommu_mr, start, IOMMU_NONE);
entry = imrc->translate(iommu_mr, start, IOMMU_NONE);
if (!entry.translated_addr) {
pbdev->state = ZPCI_FS_ERROR;