1 | /* |
2 | * QEMU sun4u IOMMU emulation |
3 | * |
4 | * Copyright (c) 2006 Fabrice Bellard |
5 | * Copyright (c) 2012,2013 Artyom Tarasenko |
6 | * Copyright (c) 2017 Mark Cave-Ayland |
7 | * |
8 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
9 | * of this software and associated documentation files (the "Software"), to deal |
10 | * in the Software without restriction, including without limitation the rights |
11 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
12 | * copies of the Software, and to permit persons to whom the Software is |
13 | * furnished to do so, subject to the following conditions: |
14 | * |
15 | * The above copyright notice and this permission notice shall be included in |
16 | * all copies or substantial portions of the Software. |
17 | * |
18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
20 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
21 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
22 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
23 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
24 | * THE SOFTWARE. |
25 | */ |
26 | |
27 | #ifndef SUN4U_IOMMU_H |
28 | #define SUN4U_IOMMU_H |
29 | |
30 | #include "hw/sysbus.h" |
31 | |
32 | #define IOMMU_NREGS 3 |
33 | |
34 | typedef struct IOMMUState { |
35 | SysBusDevice parent_obj; |
36 | |
37 | AddressSpace iommu_as; |
38 | IOMMUMemoryRegion iommu; |
39 | |
40 | MemoryRegion iomem; |
41 | uint64_t regs[IOMMU_NREGS]; |
42 | } IOMMUState; |
43 | |
44 | #define TYPE_SUN4U_IOMMU "sun4u-iommu" |
45 | #define SUN4U_IOMMU(obj) OBJECT_CHECK(IOMMUState, (obj), TYPE_SUN4U_IOMMU) |
46 | |
47 | #define TYPE_SUN4U_IOMMU_MEMORY_REGION "sun4u-iommu-memory-region" |
48 | |
49 | #endif |
50 | |