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authorMarcel Apfelbaum <marcel@redhat.com>2016-06-27 18:38:34 +0300
committerMichael S. Tsirkin <mst@redhat.com>2016-07-04 14:50:58 +0300
commit621d983a1f9051f4cfc3f402569b46b77d8449fc (patch)
tree8e1fcc1afde7a0d2dbb5c5025ee23454f99552bd /hw/pci-host/q35.c
parentbf8d492405feaee2c1685b3b9d5e03228ed3e47f (diff)
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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/pci-host/q35.c')
-rw-r--r--hw/pci-host/q35.c17
1 files changed, 1 insertions, 16 deletions
diff --git a/hw/pci-host/q35.c b/hw/pci-host/q35.c
index 0150039..8d060a5 100644
--- a/hw/pci-host/q35.c
+++ b/hw/pci-host/q35.c
@@ -52,6 +52,7 @@ static void q35_host_realize(DeviceState *dev, Error **errp)
pci->bus = pci_bus_new(DEVICE(s), "pcie.0",
s->mch.pci_address_space, s->mch.address_space_io,
0, TYPE_PCIE_BUS);
+ PC_MACHINE(qdev_get_machine())->bus = pci->bus;
qdev_set_parent_bus(DEVICE(&s->mch), BUS(pci->bus));
qdev_init_nofail(DEVICE(&s->mch));
}
@@ -446,28 +447,12 @@ static void mch_reset(DeviceState *qdev)
mch_update(mch);
}
-static AddressSpace *q35_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 mch_init_dmar(MCHPCIState *mch)
{
- PCIBus *pci_bus = PCI_BUS(qdev_get_parent_bus(DEVICE(mch)));
-
mch->iommu = INTEL_IOMMU_DEVICE(qdev_create(NULL, TYPE_INTEL_IOMMU_DEVICE));
object_property_add_child(OBJECT(mch), "intel-iommu",
OBJECT(mch->iommu), NULL);
qdev_init_nofail(DEVICE(mch->iommu));
- sysbus_mmio_map(SYS_BUS_DEVICE(mch->iommu), 0, Q35_HOST_BRIDGE_IOMMU_ADDR);
-
- pci_setup_iommu(pci_bus, q35_host_dma_iommu, mch->iommu);
}
static void mch_realize(PCIDevice *d, Error **errp)