[PULL 19/30] hw/arm/smmu-common: Support 64-bit addresses

[Peter Maydell]

From: Jean-Philippe Brucker <jean-philippe@linaro.org>

Addresses targeting the second translation table (TTB1) in the SMMU have
all upper bits set. Ensure the IOMMU region covers all 64 bits.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-id: 20230214171921.1917916-2-jean-philippe@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 include/hw/arm/smmu-common.h | 2 --
 hw/arm/smmu-common.c         | 2 +-
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/include/hw/arm/smmu-common.h b/include/hw/arm/smmu-common.h
index c5683af07d6..9fcff26357f 100644
--- a/include/hw/arm/smmu-common.h
+++ b/include/hw/arm/smmu-common.h
@@ -27,8 +27,6 @@
 #define SMMU_PCI_DEVFN_MAX    256
 #define SMMU_PCI_DEVFN(sid)   (sid & 0xFF)
 
-#define SMMU_MAX_VA_BITS      48
-
 /*
  * Page table walk error types
  */
diff --git a/hw/arm/smmu-common.c b/hw/arm/smmu-common.c
index 733c9647784..2b8c67b9a1d 100644
--- a/hw/arm/smmu-common.c
+++ b/hw/arm/smmu-common.c
@@ -439,7 +439,7 @@ static AddressSpace *smmu_find_add_as(PCIBus *bus, void 
*opaque, int devfn)
 
         memory_region_init_iommu(&sdev->iommu, sizeof(sdev->iommu),
                                  s->mrtypename,
-                                 OBJECT(s), name, 1ULL << SMMU_MAX_VA_BITS);
+                                 OBJECT(s), name, UINT64_MAX);
         address_space_init(&sdev->as,
                            MEMORY_REGION(&sdev->iommu), name);
         trace_smmu_add_mr(name);
-- 
2.34.1