---
hw/core/machine.c | 20 --------------------
hw/i386/intel_iommu.c | 17 +++++++++++++++++
hw/pci-host/q35.c | 28 ----------------------------
qemu-options.hx | 3 ---
4 files changed, 17 insertions(+), 51 deletions(-)
diff --git a/hw/core/machine.c b/hw/core/machine.c
index ccdd5fa..8f94301 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -300,20 +300,6 @@ static void machine_set_firmware(Object *obj, const char
*value, Error **errp)
ms->firmware = g_strdup(value);
}
-static bool machine_get_iommu(Object *obj, Error **errp)
-{
- MachineState *ms = MACHINE(obj);
-
- return ms->iommu;
-}
-
-static void machine_set_iommu(Object *obj, bool value, Error **errp)
-{
- MachineState *ms = MACHINE(obj);
-
- ms->iommu = value;
-}
-
static void machine_set_suppress_vmdesc(Object *obj, bool value, Error **errp)
{
MachineState *ms = MACHINE(obj);
@@ -493,12 +479,6 @@ static void machine_initfn(Object *obj)
object_property_set_description(obj, "firmware",
"Firmware image",
NULL);
- object_property_add_bool(obj, "iommu",
- machine_get_iommu,
- machine_set_iommu, NULL);
- object_property_set_description(obj, "iommu",
- "Set on/off to enable/disable Intel IOMMU
(VT-d)",
- NULL);
object_property_add_bool(obj, "suppress-vmdesc",
machine_get_suppress_vmdesc,
machine_set_suppress_vmdesc, NULL);
diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
index 347718f..9af5d6b 100644
--- a/hw/i386/intel_iommu.c
+++ b/hw/i386/intel_iommu.c
@@ -24,6 +24,8 @@
#include "exec/address-spaces.h"
#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
@@ -2014,8 +2016,20 @@ 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, "");
@@ -2029,6 +2043,9 @@ 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);
+ bus->iommu_fn = vtd_host_dma_iommu;
+ bus->iommu_opaque = dev;
}
static void vtd_class_init(ObjectClass *klass, void *data)
diff --git a/hw/pci-host/q35.c b/hw/pci-host/q35.c
index 70f897e..ea684c7 100644
--- a/hw/pci-host/q35.c
+++ b/hw/pci-host/q35.c
@@ -424,30 +424,6 @@ 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)
{
int i;
@@ -506,10 +482,6 @@ static void mch_realize(PCIDevice *d, Error **errp)
mch->pci_address_space, &mch->pam_regions[i+1],
PAM_EXPAN_BASE + i * PAM_EXPAN_SIZE, PAM_EXPAN_SIZE);
}
- /* Intel IOMMU (VT-d) */
- if (object_property_get_bool(qdev_get_machine(), "iommu", NULL)) {
- mch_init_dmar(mch);
- }
}
uint64_t mch_mcfg_base(void)
diff --git a/qemu-options.hx b/qemu-options.hx
index 6106520..2953baf 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -38,7 +38,6 @@ DEF("machine", HAS_ARG, QEMU_OPTION_machine, \
" kvm_shadow_mem=size of KVM shadow MMU\n"
" dump-guest-core=on|off include guest memory in a core dump
(default=on)\n"
" mem-merge=on|off controls memory merge support (default:
on)\n"
- " iommu=on|off controls emulated Intel IOMMU (VT-d) support
(default=off)\n"
" igd-passthru=on|off controls IGD GFX passthrough support
(default=off)\n"
" aes-key-wrap=on|off controls support for AES key wrapping
(default=on)\n"
" dea-key-wrap=on|off controls support for DEA key wrapping
(default=on)\n"
@@ -73,8 +72,6 @@ Include guest memory in a core dump. The default is on.
Enables or disables memory merge support. This feature, when supported by
the host, de-duplicates identical memory pages among VMs instances
(enabled by default).
-@item iommu=on|off
-Enables or disables emulated Intel IOMMU (VT-d) support. The default is off.
@item aes-key-wrap=on|off
Enables or disables AES key wrapping support on s390-ccw hosts. This feature
controls whether AES wrapping keys will be created to allow
--
2.4.3
