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Diffstat (limited to 'hw/i386/intel_iommu.c')
-rw-r--r--hw/i386/intel_iommu.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
index 5eba704477..464f2a0518 100644
--- a/hw/i386/intel_iommu.c
+++ b/hw/i386/intel_iommu.c
@@ -25,6 +25,7 @@
#include "intel_iommu_internal.h"
#include "hw/pci/pci.h"
#include "hw/pci/pci_bus.h"
+#include "hw/i386/pc.h"
/*#define DEBUG_INTEL_IOMMU*/
#ifdef DEBUG_INTEL_IOMMU
@@ -2026,8 +2027,20 @@ static void vtd_reset(DeviceState *dev)
vtd_init(s);
}
+static AddressSpace *vtd_host_dma_iommu(PCIBus *bus, void *opaque, int devfn)
+{
+ IntelIOMMUState *s = opaque;
+ VTDAddressSpace *vtd_as;
+
+ assert(0 <= devfn && devfn <= VTD_PCI_DEVFN_MAX);
+
+ vtd_as = vtd_find_add_as(s, bus, devfn);
+ return &vtd_as->as;
+}
+
static void vtd_realize(DeviceState *dev, Error **errp)
{
+ PCIBus *bus = PC_MACHINE(qdev_get_machine())->bus;
IntelIOMMUState *s = INTEL_IOMMU_DEVICE(dev);
VTD_DPRINTF(GENERAL, "");
@@ -2041,6 +2054,8 @@ static void vtd_realize(DeviceState *dev, Error **errp)
s->vtd_as_by_busptr = g_hash_table_new_full(vtd_uint64_hash, vtd_uint64_equal,
g_free, g_free);
vtd_init(s);
+ sysbus_mmio_map(SYS_BUS_DEVICE(s), 0, Q35_HOST_BRIDGE_IOMMU_ADDR);
+ pci_setup_iommu(bus, vtd_host_dma_iommu, dev);
}
static void vtd_class_init(ObjectClass *klass, void *data)
@@ -2051,6 +2066,7 @@ static void vtd_class_init(ObjectClass *klass, void *data)
dc->realize = vtd_realize;
dc->vmsd = &vtd_vmstate;
dc->props = vtd_properties;
+ dc->hotpluggable = false;
}
static const TypeInfo vtd_info = {