Merge tag 'block-pull-request' of https://gitlab.com/stefanha/qemu into staging
[qemu.git] / include / hw / sparc / sun4m_iommu.h
1 /*
2 * QEMU Sun4m iommu emulation
3 *
4 * Copyright (c) 2003-2005 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25 #ifndef SUN4M_IOMMU_H
26 #define SUN4M_IOMMU_H
27
28 #include "hw/sysbus.h"
29 #include "qom/object.h"
30
31 #define IOMMU_NREGS (4 * 4096 / 4)
32
33 struct IOMMUState {
34 SysBusDevice parent_obj;
35
36 AddressSpace iommu_as;
37 IOMMUMemoryRegion iommu;
38
39 MemoryRegion iomem;
40 uint32_t regs[IOMMU_NREGS];
41 hwaddr iostart;
42 qemu_irq irq;
43 uint32_t version;
44 };
45 typedef struct IOMMUState IOMMUState;
46
47 #define TYPE_SUN4M_IOMMU "sun4m-iommu"
48 DECLARE_INSTANCE_CHECKER(IOMMUState, SUN4M_IOMMU,
49 TYPE_SUN4M_IOMMU)
50
51 #define TYPE_SUN4M_IOMMU_MEMORY_REGION "sun4m-iommu-memory-region"
52
53 #endif