Jan Kiszka | 244ac3a | 2011-10-16 19:38:22 +0200 | [diff] [blame] | 1 | /* |
| 2 | * IOAPIC emulation logic - internal interfaces |
| 3 | * |
| 4 | * Copyright (c) 2004-2005 Fabrice Bellard |
| 5 | * Copyright (c) 2009 Xiantao Zhang, Intel |
| 6 | * Copyright (c) 2011 Jan Kiszka, Siemens AG |
| 7 | * |
| 8 | * This library is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU Lesser General Public |
| 10 | * License as published by the Free Software Foundation; either |
| 11 | * version 2 of the License, or (at your option) any later version. |
| 12 | * |
| 13 | * This library is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 16 | * Lesser General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU Lesser General Public |
| 19 | * License along with this library; if not, see <http://www.gnu.org/licenses/>. |
| 20 | */ |
| 21 | |
| 22 | #ifndef QEMU_IOAPIC_INTERNAL_H |
| 23 | #define QEMU_IOAPIC_INTERNAL_H |
| 24 | |
| 25 | #include "hw.h" |
| 26 | #include "memory.h" |
| 27 | #include "sysbus.h" |
| 28 | |
| 29 | #define MAX_IOAPICS 1 |
| 30 | |
| 31 | #define IOAPIC_VERSION 0x11 |
| 32 | |
| 33 | #define IOAPIC_LVT_DEST_SHIFT 56 |
| 34 | #define IOAPIC_LVT_MASKED_SHIFT 16 |
| 35 | #define IOAPIC_LVT_TRIGGER_MODE_SHIFT 15 |
| 36 | #define IOAPIC_LVT_REMOTE_IRR_SHIFT 14 |
| 37 | #define IOAPIC_LVT_POLARITY_SHIFT 13 |
| 38 | #define IOAPIC_LVT_DELIV_STATUS_SHIFT 12 |
| 39 | #define IOAPIC_LVT_DEST_MODE_SHIFT 11 |
| 40 | #define IOAPIC_LVT_DELIV_MODE_SHIFT 8 |
| 41 | |
| 42 | #define IOAPIC_LVT_MASKED (1 << IOAPIC_LVT_MASKED_SHIFT) |
| 43 | #define IOAPIC_LVT_REMOTE_IRR (1 << IOAPIC_LVT_REMOTE_IRR_SHIFT) |
| 44 | |
| 45 | #define IOAPIC_TRIGGER_EDGE 0 |
| 46 | #define IOAPIC_TRIGGER_LEVEL 1 |
| 47 | |
| 48 | /*io{apic,sapic} delivery mode*/ |
| 49 | #define IOAPIC_DM_FIXED 0x0 |
| 50 | #define IOAPIC_DM_LOWEST_PRIORITY 0x1 |
| 51 | #define IOAPIC_DM_PMI 0x2 |
| 52 | #define IOAPIC_DM_NMI 0x4 |
| 53 | #define IOAPIC_DM_INIT 0x5 |
| 54 | #define IOAPIC_DM_SIPI 0x6 |
| 55 | #define IOAPIC_DM_EXTINT 0x7 |
| 56 | #define IOAPIC_DM_MASK 0x7 |
| 57 | |
| 58 | #define IOAPIC_VECTOR_MASK 0xff |
| 59 | |
| 60 | #define IOAPIC_IOREGSEL 0x00 |
| 61 | #define IOAPIC_IOWIN 0x10 |
| 62 | |
| 63 | #define IOAPIC_REG_ID 0x00 |
| 64 | #define IOAPIC_REG_VER 0x01 |
| 65 | #define IOAPIC_REG_ARB 0x02 |
| 66 | #define IOAPIC_REG_REDTBL_BASE 0x10 |
| 67 | #define IOAPIC_ID 0x00 |
| 68 | |
| 69 | #define IOAPIC_ID_SHIFT 24 |
| 70 | #define IOAPIC_ID_MASK 0xf |
| 71 | |
| 72 | #define IOAPIC_VER_ENTRIES_SHIFT 16 |
| 73 | |
| 74 | typedef struct IOAPICCommonState IOAPICCommonState; |
| 75 | |
Anthony Liguori | 999e12b | 2012-01-24 13:12:29 -0600 | [diff] [blame] | 76 | #define TYPE_IOAPIC_COMMON "ioapic-common" |
| 77 | #define IOAPIC_COMMON(obj) \ |
| 78 | OBJECT_CHECK(IOAPICCommonState, (obj), TYPE_IOAPIC_COMMON) |
| 79 | #define IOAPIC_COMMON_CLASS(klass) \ |
| 80 | OBJECT_CLASS_CHECK(IOAPICCommonClass, (klass), TYPE_IOAPIC_COMMON) |
| 81 | #define IOAPIC_COMMON_GET_CLASS(obj) \ |
| 82 | OBJECT_GET_CLASS(IOAPICCommonClass, (obj), TYPE_IOAPIC_COMMON) |
| 83 | |
| 84 | typedef struct IOAPICCommonClass { |
| 85 | SysBusDeviceClass parent_class; |
| 86 | void (*init)(IOAPICCommonState *s, int instance_no); |
| 87 | void (*pre_save)(IOAPICCommonState *s); |
| 88 | void (*post_load)(IOAPICCommonState *s); |
| 89 | } IOAPICCommonClass; |
| 90 | |
Jan Kiszka | 244ac3a | 2011-10-16 19:38:22 +0200 | [diff] [blame] | 91 | struct IOAPICCommonState { |
| 92 | SysBusDevice busdev; |
| 93 | MemoryRegion io_memory; |
| 94 | uint8_t id; |
| 95 | uint8_t ioregsel; |
| 96 | uint32_t irr; |
| 97 | uint64_t ioredtbl[IOAPIC_NUM_PINS]; |
| 98 | }; |
| 99 | |
Jan Kiszka | 244ac3a | 2011-10-16 19:38:22 +0200 | [diff] [blame] | 100 | void ioapic_reset_common(DeviceState *dev); |
| 101 | |
| 102 | #endif /* !QEMU_IOAPIC_INTERNAL_H */ |