diff options
| -rw-r--r-- | hw/arm/smmu-common.c | 2 | ||||
| -rw-r--r-- | include/hw/arm/smmu-common.h | 1 |
2 files changed, 2 insertions, 1 deletions
diff --git a/hw/arm/smmu-common.c b/hw/arm/smmu-common.c index 3098915d07..55c75d65d2 100644 --- a/hw/arm/smmu-common.c +++ b/hw/arm/smmu-common.c @@ -351,7 +351,7 @@ IOMMUMemoryRegion *smmu_iommu_mr(SMMUState *s, uint32_t sid) bus_n = PCI_BUS_NUM(sid); smmu_bus = smmu_find_smmu_pcibus(s, bus_n); if (smmu_bus) { - devfn = sid & 0x7; + devfn = SMMU_PCI_DEVFN(sid); smmu = smmu_bus->pbdev[devfn]; if (smmu) { return &smmu->iommu; diff --git a/include/hw/arm/smmu-common.h b/include/hw/arm/smmu-common.h index 50e2912a95..b07cadd0ef 100644 --- a/include/hw/arm/smmu-common.h +++ b/include/hw/arm/smmu-common.h @@ -24,6 +24,7 @@ #define SMMU_PCI_BUS_MAX 256 #define SMMU_PCI_DEVFN_MAX 256 +#define SMMU_PCI_DEVFN(sid) (sid & 0xFF) #define SMMU_MAX_VA_BITS 48 |