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x86_iommu: Move machine check to x86_iommu_realize()

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Instead of having the same error checks in vtd_realize()
and amdvi_realize(), move that over to the generic
x86_iommu_realize().

Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Mohammed Gamal <mgamal@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Mohammed Gamal 2017-11-29 13:33:12 +01:00 committed by Michael S. Tsirkin
parent 459f5d29d2
commit 29396ed9ac
3 changed files with 17 additions and 22 deletions
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13
hw/i386/amd_iommu.c
View File

@ -1144,18 +1144,9 @@ static void amdvi_realize(DeviceState *dev, Error **err)
AMDVIState *s = AMD_IOMMU_DEVICE(dev);
X86IOMMUState *x86_iommu = X86_IOMMU_DEVICE(dev);
MachineState *ms = MACHINE(qdev_get_machine());
MachineClass *mc = MACHINE_GET_CLASS(ms);
PCMachineState *pcms =
PC_MACHINE(object_dynamic_cast(OBJECT(ms), TYPE_PC_MACHINE));
PCIBus *bus;
PCMachineState *pcms = PC_MACHINE(ms);
PCIBus *bus = pcms->bus;
if (!pcms) {
error_setg(err, "Machine-type '%s' not supported by amd-iommu",
mc->name);
return;
}
bus = pcms->bus;
s->iotlb = g_hash_table_new_full(amdvi_uint64_hash,
amdvi_uint64_equal, g_free, g_free);

13
hw/i386/intel_iommu.c
View File

@ -3052,20 +3052,11 @@ static bool vtd_decide_config(IntelIOMMUState *s, Error **errp)
static void vtd_realize(DeviceState *dev, Error **errp)
{
MachineState *ms = MACHINE(qdev_get_machine());
MachineClass *mc = MACHINE_GET_CLASS(ms);
PCMachineState *pcms =
PC_MACHINE(object_dynamic_cast(OBJECT(ms), TYPE_PC_MACHINE));
PCIBus *bus;
PCMachineState *pcms = PC_MACHINE(ms);
PCIBus *bus = pcms->bus;
IntelIOMMUState *s = INTEL_IOMMU_DEVICE(dev);
X86IOMMUState *x86_iommu = X86_IOMMU_DEVICE(dev);
if (!pcms) {
error_setg(errp, "Machine-type '%s' not supported by intel-iommu",
mc->name);
return;
}
bus = pcms->bus;
x86_iommu->type = TYPE_INTEL;
if (!vtd_decide_config(s, errp)) {

13
hw/i386/x86-iommu.c
View File

@ -21,6 +21,8 @@
#include "hw/sysbus.h"
#include "hw/boards.h"
#include "hw/i386/x86-iommu.h"
#include "hw/i386/pc.h"
#include "qapi/error.h"
#include "qemu/error-report.h"
#include "trace.h"
@ -80,7 +82,18 @@ static void x86_iommu_realize(DeviceState *dev, Error **errp)
{
X86IOMMUState *x86_iommu = X86_IOMMU_DEVICE(dev);
X86IOMMUClass *x86_class = X86_IOMMU_GET_CLASS(dev);
MachineState *ms = MACHINE(qdev_get_machine());
MachineClass *mc = MACHINE_GET_CLASS(ms);
PCMachineState *pcms =
PC_MACHINE(object_dynamic_cast(OBJECT(ms), TYPE_PC_MACHINE));
QLIST_INIT(&x86_iommu->iec_notifiers);
if (!pcms) {
error_setg(errp, "Machine-type '%s' not supported by IOMMU",
mc->name);
return;
}
if (x86_class->realize) {
x86_class->realize(dev, errp);
}