Mark Cave-Ayland | 1527f48 | 2018-01-08 18:16:34 +0000 | [diff] [blame] | 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 | |
Mark Cave-Ayland | 1527f48 | 2018-01-08 18:16:34 +0000 | [diff] [blame] | 28 | #include "hw/sysbus.h" |
Eduardo Habkost | db1015e | 2020-09-03 16:43:22 -0400 | [diff] [blame] | 29 | #include "qom/object.h" |
Mark Cave-Ayland | 1527f48 | 2018-01-08 18:16:34 +0000 | [diff] [blame] | 30 | |
| 31 | #define IOMMU_NREGS (4 * 4096 / 4) |
| 32 | |
Eduardo Habkost | db1015e | 2020-09-03 16:43:22 -0400 | [diff] [blame] | 33 | struct IOMMUState { |
Mark Cave-Ayland | 1527f48 | 2018-01-08 18:16:34 +0000 | [diff] [blame] | 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; |
Eduardo Habkost | db1015e | 2020-09-03 16:43:22 -0400 | [diff] [blame] | 44 | }; |
| 45 | typedef struct IOMMUState IOMMUState; |
Mark Cave-Ayland | 1527f48 | 2018-01-08 18:16:34 +0000 | [diff] [blame] | 46 | |
| 47 | #define TYPE_SUN4M_IOMMU "sun4m-iommu" |
Eduardo Habkost | 8110fa1 | 2020-08-31 17:07:33 -0400 | [diff] [blame] | 48 | DECLARE_INSTANCE_CHECKER(IOMMUState, SUN4M_IOMMU, |
| 49 | TYPE_SUN4M_IOMMU) |
Mark Cave-Ayland | 1527f48 | 2018-01-08 18:16:34 +0000 | [diff] [blame] | 50 | |
| 51 | #define TYPE_SUN4M_IOMMU_MEMORY_REGION "sun4m-iommu-memory-region" |
| 52 | |
| 53 | #endif |