aboutsummaryrefslogtreecommitdiff
path: root/exec.c
diff options
context:
space:
mode:
authorAlexey Kardashevskiy <aik@ozlabs.ru>2017-07-11 13:56:20 +1000
committerPaolo Bonzini <pbonzini@redhat.com>2017-07-14 12:04:41 +0200
commit1221a4746769f70231beab4db8da1c937e60340c (patch)
treebbed52840d69ac3c8a6cfbc3043e66f1d2e3bab6 /exec.c
parent3df9d748067f5a7f01b98ddc63597c98c8244a95 (diff)
memory/iommu: introduce IOMMUMemoryRegionClass
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>
Diffstat (limited to 'exec.c')
-rw-r--r--exec.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/exec.c b/exec.c
index 2aa8be59ef..b3c080f731 100644
--- a/exec.c
+++ b/exec.c
@@ -481,6 +481,7 @@ static MemoryRegionSection address_space_do_translate(AddressSpace *as,
IOMMUTLBEntry iotlb;
MemoryRegionSection *section;
IOMMUMemoryRegion *iommu_mr;
+ IOMMUMemoryRegionClass *imrc;
for (;;) {
AddressSpaceDispatch *d = atomic_rcu_read(&as->dispatch);
@@ -490,9 +491,10 @@ static MemoryRegionSection address_space_do_translate(AddressSpace *as,
if (!iommu_mr) {
break;
}
+ imrc = memory_region_get_iommu_class_nocheck(iommu_mr);
- iotlb = iommu_mr->iommu_ops->translate(iommu_mr, addr, is_write ?
- IOMMU_WO : IOMMU_RO);
+ iotlb = imrc->translate(iommu_mr, addr, is_write ?
+ IOMMU_WO : IOMMU_RO);
addr = ((iotlb.translated_addr & ~iotlb.addr_mask)
| (addr & iotlb.addr_mask));
*plen = MIN(*plen, (addr | iotlb.addr_mask) - addr + 1);