diff options
| author | Marcel Apfelbaum <marcel@redhat.com> | 2016-06-27 18:38:34 +0300 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2016-07-04 14:50:58 +0300 |
| commit | 621d983a1f9051f4cfc3f402569b46b77d8449fc (patch) | |
| tree | 8e1fcc1afde7a0d2dbb5c5025ee23454f99552bd /hw/i386/intel_iommu.c | |
| parent | bf8d492405feaee2c1685b3b9d5e03228ed3e47f (diff) | |
| download | qemu-621d983a1f9051f4cfc3f402569b46b77d8449fc.zip qemu-621d983a1f9051f4cfc3f402569b46b77d8449fc.tar.gz qemu-621d983a1f9051f4cfc3f402569b46b77d8449fc.tar.bz2 | |
hw/iommu: enable iommu with -device
Use the standard '-device intel-iommu' to create the IOMMU device.
The legacy '-machine,iommu=on' can still be used.
Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/i386/intel_iommu.c')
| -rw-r--r-- | hw/i386/intel_iommu.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index 5eba704..464f2a0 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 = { |