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1c7955c450
Introducing parent class for intel-iommu devices named "x86-iommu". This is preparation work to abstract shared functionalities out from Intel and AMD IOMMUs. Currently, only the parent class is introduced. It does nothing yet. Signed-off-by: Peter Xu <peterx@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
54 lines
1.6 KiB
C
54 lines
1.6 KiB
C
/*
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* QEMU emulation of common X86 IOMMU
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*
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* Copyright (C) 2016 Peter Xu, Red Hat <peterx@redhat.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "qemu/osdep.h"
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#include "hw/sysbus.h"
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#include "hw/boards.h"
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#include "hw/i386/x86-iommu.h"
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static void x86_iommu_realize(DeviceState *dev, Error **errp)
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{
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X86IOMMUClass *x86_class = X86_IOMMU_GET_CLASS(dev);
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if (x86_class->realize) {
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x86_class->realize(dev, errp);
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}
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}
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static void x86_iommu_class_init(ObjectClass *klass, void *data)
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{
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DeviceClass *dc = DEVICE_CLASS(klass);
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dc->realize = x86_iommu_realize;
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}
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static const TypeInfo x86_iommu_info = {
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.name = TYPE_X86_IOMMU_DEVICE,
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.parent = TYPE_SYS_BUS_DEVICE,
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.instance_size = sizeof(X86IOMMUState),
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.class_init = x86_iommu_class_init,
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.class_size = sizeof(X86IOMMUClass),
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.abstract = true,
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};
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static void x86_iommu_register_types(void)
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{
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type_register_static(&x86_iommu_info);
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}
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type_init(x86_iommu_register_types)
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