diff options
| author | Peter Xu <peterx@redhat.com> | 2016-07-14 13:56:10 +0800 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2016-07-20 19:30:27 +0300 |
| commit | 1c7955c4503211f45a83e6480bd876f079ba5cd8 (patch) | |
| tree | ae84c09c78af0b270955bcba5789445fe79bf8ea /include/hw/i386/x86-iommu.h | |
| parent | b1af7959a66610669e1a019b9a84f6ed3a7936c6 (diff) | |
x86-iommu: introduce parent class
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>
Diffstat (limited to 'include/hw/i386/x86-iommu.h')
| -rw-r--r-- | include/hw/i386/x86-iommu.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/include/hw/i386/x86-iommu.h b/include/hw/i386/x86-iommu.h new file mode 100644 index 0000000000..924f39ad25 --- /dev/null +++ b/include/hw/i386/x86-iommu.h @@ -0,0 +1,46 @@ +/* + * Common IOMMU interface for X86 platform + * + * 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/>. + */ + +#ifndef IOMMU_COMMON_H +#define IOMMU_COMMON_H + +#include "hw/sysbus.h" + +#define TYPE_X86_IOMMU_DEVICE ("x86-iommu") +#define X86_IOMMU_DEVICE(obj) \ + OBJECT_CHECK(X86IOMMUState, (obj), TYPE_X86_IOMMU_DEVICE) +#define X86_IOMMU_CLASS(klass) \ + OBJECT_CLASS_CHECK(X86IOMMUClass, (klass), TYPE_X86_IOMMU_DEVICE) +#define X86_IOMMU_GET_CLASS(obj) \ + OBJECT_GET_CLASS(X86IOMMUClass, obj, TYPE_X86_IOMMU_DEVICE) + +typedef struct X86IOMMUState X86IOMMUState; +typedef struct X86IOMMUClass X86IOMMUClass; + +struct X86IOMMUClass { + SysBusDeviceClass parent; + /* Intel/AMD specific realize() hook */ + DeviceRealize realize; +}; + +struct X86IOMMUState { + SysBusDevice busdev; +}; + +#endif |