diff options
Diffstat (limited to 'hw/i386')
| -rw-r--r-- | hw/i386/Makefile.objs | 2 | ||||
| -rw-r--r-- | hw/i386/intel_iommu.c | 5 | ||||
| -rw-r--r-- | hw/i386/x86-iommu.c | 53 |
3 files changed, 57 insertions, 3 deletions
diff --git a/hw/i386/Makefile.objs b/hw/i386/Makefile.objs index b52d5b8756..90e94ffefd 100644 --- a/hw/i386/Makefile.objs +++ b/hw/i386/Makefile.objs @@ -2,7 +2,7 @@ obj-$(CONFIG_KVM) += kvm/ obj-y += multiboot.o obj-y += pc.o pc_piix.o pc_q35.o obj-y += pc_sysfw.o -obj-y += intel_iommu.o +obj-y += x86-iommu.o intel_iommu.o obj-$(CONFIG_XEN) += ../xenpv/ xen/ obj-y += kvmvapic.o diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index 464f2a0518..a430d7de1c 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -2061,17 +2061,18 @@ static void vtd_realize(DeviceState *dev, Error **errp) static void vtd_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); + X86IOMMUClass *x86_class = X86_IOMMU_CLASS(klass); dc->reset = vtd_reset; - dc->realize = vtd_realize; dc->vmsd = &vtd_vmstate; dc->props = vtd_properties; dc->hotpluggable = false; + x86_class->realize = vtd_realize; } static const TypeInfo vtd_info = { .name = TYPE_INTEL_IOMMU_DEVICE, - .parent = TYPE_SYS_BUS_DEVICE, + .parent = TYPE_X86_IOMMU_DEVICE, .instance_size = sizeof(IntelIOMMUState), .class_init = vtd_class_init, }; diff --git a/hw/i386/x86-iommu.c b/hw/i386/x86-iommu.c new file mode 100644 index 0000000000..d739afb141 --- /dev/null +++ b/hw/i386/x86-iommu.c @@ -0,0 +1,53 @@ +/* + * QEMU emulation of common X86 IOMMU + * + * Copyright (C) 2016 Peter Xu, Red Hat <peterx@redhat.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + + * You should have received a copy of the GNU General Public License along + * with this program; if not, see <http://www.gnu.org/licenses/>. + */ + +#include "qemu/osdep.h" +#include "hw/sysbus.h" +#include "hw/boards.h" +#include "hw/i386/x86-iommu.h" + +static void x86_iommu_realize(DeviceState *dev, Error **errp) +{ + X86IOMMUClass *x86_class = X86_IOMMU_GET_CLASS(dev); + if (x86_class->realize) { + x86_class->realize(dev, errp); + } +} + +static void x86_iommu_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + dc->realize = x86_iommu_realize; +} + +static const TypeInfo x86_iommu_info = { + .name = TYPE_X86_IOMMU_DEVICE, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(X86IOMMUState), + .class_init = x86_iommu_class_init, + .class_size = sizeof(X86IOMMUClass), + .abstract = true, +}; + +static void x86_iommu_register_types(void) +{ + type_register_static(&x86_iommu_info); +} + +type_init(x86_iommu_register_types) |