diff options
Diffstat (limited to 'hw/arm/smmu-common.c')
| -rw-r--r-- | hw/arm/smmu-common.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/hw/arm/smmu-common.c b/hw/arm/smmu-common.c index 3c5f7245b5..db242c73df 100644 --- a/hw/arm/smmu-common.c +++ b/hw/arm/smmu-common.c @@ -310,6 +310,24 @@ static AddressSpace *smmu_find_add_as(PCIBus *bus, void *opaque, int devfn) return &sdev->as; } +IOMMUMemoryRegion *smmu_iommu_mr(SMMUState *s, uint32_t sid) +{ + uint8_t bus_n, devfn; + SMMUPciBus *smmu_bus; + SMMUDevice *smmu; + + bus_n = PCI_BUS_NUM(sid); + smmu_bus = smmu_find_smmu_pcibus(s, bus_n); + if (smmu_bus) { + devfn = sid & 0x7; + smmu = smmu_bus->pbdev[devfn]; + if (smmu) { + return &smmu->iommu; + } + } + return NULL; +} + static void smmu_base_realize(DeviceState *dev, Error **errp) { SMMUState *s = ARM_SMMU(dev); @@ -321,7 +339,7 @@ static void smmu_base_realize(DeviceState *dev, Error **errp) error_propagate(errp, local_err); return; } - + s->configs = g_hash_table_new_full(NULL, NULL, NULL, g_free); s->smmu_pcibus_by_busptr = g_hash_table_new(NULL, NULL); if (s->primary_bus) { @@ -333,7 +351,9 @@ static void smmu_base_realize(DeviceState *dev, Error **errp) static void smmu_base_reset(DeviceState *dev) { - /* will be filled later on */ + SMMUState *s = ARM_SMMU(dev); + + g_hash_table_remove_all(s->configs); } static Property smmu_dev_properties[] = { |