Make iommu ops part of SMMUState and set to the current default smmu_ops.
No functional change intended. This will allow SMMUv3 accel implementation
to set a different iommu ops later.

Reviewed-by: Jonathan Cameron <[email protected]>
Reviewed-by: Nicolin Chen <[email protected]>
Reviewed-by: Eric Auger <[email protected]>
Tested-by: Zhangfei Gao <[email protected]>
Tested-by: Eric Auger <[email protected]>
Signed-off-by: Shameer Kolothum <[email protected]>
---
 hw/arm/smmu-common.c         | 7 +++++--
 include/hw/arm/smmu-common.h | 1 +
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/hw/arm/smmu-common.c b/hw/arm/smmu-common.c
index 1492d7dd95..58c4452b1f 100644
--- a/hw/arm/smmu-common.c
+++ b/hw/arm/smmu-common.c
@@ -959,6 +959,9 @@ static void smmu_base_realize(DeviceState *dev, Error 
**errp)
                            "smmu-secure-memory-view");
     }
 
+    if (!s->iommu_ops) {
+        s->iommu_ops = &smmu_ops;
+    }
     /*
      * We only allow default PCIe Root Complex(pcie.0) or pxb-pcie based extra
      * root complexes to be associated with SMMU.
@@ -978,9 +981,9 @@ static void smmu_base_realize(DeviceState *dev, Error 
**errp)
         }
 
         if (s->smmu_per_bus) {
-            pci_setup_iommu_per_bus(pci_bus, &smmu_ops, s);
+            pci_setup_iommu_per_bus(pci_bus, s->iommu_ops, s);
         } else {
-            pci_setup_iommu(pci_bus, &smmu_ops, s);
+            pci_setup_iommu(pci_bus, s->iommu_ops, s);
         }
         return;
     }
diff --git a/include/hw/arm/smmu-common.h b/include/hw/arm/smmu-common.h
index f5060cf36f..7b975abc25 100644
--- a/include/hw/arm/smmu-common.h
+++ b/include/hw/arm/smmu-common.h
@@ -166,6 +166,7 @@ struct SMMUState {
     AddressSpace memory_as;
     MemoryRegion *secure_memory;
     AddressSpace secure_memory_as;
+    const PCIIOMMUOps *iommu_ops;
 };
 
 struct SMMUBaseClass {
-- 
2.43.0


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