2 * APIC support - internal interfaces
4 * Copyright (c) 2004-2005 Fabrice Bellard
5 * Copyright (c) 2011 Jan Kiszka, Siemens AG
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, see <http://www.gnu.org/licenses/>
20 #ifndef QEMU_APIC_INTERNAL_H
21 #define QEMU_APIC_INTERNAL_H
25 #include "qemu-timer.h"
27 /* APIC Local Vector Table */
28 #define APIC_LVT_TIMER 0
29 #define APIC_LVT_THERMAL 1
30 #define APIC_LVT_PERFORM 2
31 #define APIC_LVT_LINT0 3
32 #define APIC_LVT_LINT1 4
33 #define APIC_LVT_ERROR 5
36 /* APIC delivery modes */
37 #define APIC_DM_FIXED 0
38 #define APIC_DM_LOWPRI 1
41 #define APIC_DM_INIT 5
42 #define APIC_DM_SIPI 6
43 #define APIC_DM_EXTINT 7
45 /* APIC destination mode */
46 #define APIC_DESTMODE_FLAT 0xf
47 #define APIC_DESTMODE_CLUSTER 1
49 #define APIC_TRIGGER_EDGE 0
50 #define APIC_TRIGGER_LEVEL 1
52 #define APIC_LVT_TIMER_PERIODIC (1<<17)
53 #define APIC_LVT_MASKED (1<<16)
54 #define APIC_LVT_LEVEL_TRIGGER (1<<15)
55 #define APIC_LVT_REMOTE_IRR (1<<14)
56 #define APIC_INPUT_POLARITY (1<<13)
57 #define APIC_SEND_PENDING (1<<12)
59 #define ESR_ILLEGAL_ADDRESS (1 << 7)
61 #define APIC_SV_DIRECTED_IO (1<<12)
62 #define APIC_SV_ENABLE (1<<8)
66 #define MSI_SPACE_SIZE 0x100000
68 typedef struct APICCommonState APICCommonState;
70 #define TYPE_APIC_COMMON "apic-common"
71 #define APIC_COMMON(obj) \
72 OBJECT_CHECK(APICCommonState, (obj), TYPE_APIC_COMMON)
73 #define APIC_COMMON_CLASS(klass) \
74 OBJECT_CLASS_CHECK(APICCommonClass, (klass), TYPE_APIC_COMMON)
75 #define APIC_COMMON_GET_CLASS(obj) \
76 OBJECT_GET_CLASS(APICCommonClass, (obj), TYPE_APIC_COMMON)
78 typedef struct APICCommonClass
80 SysBusDeviceClass parent_class;
82 void (*init)(APICCommonState *s);
83 void (*set_base)(APICCommonState *s, uint64_t val);
84 void (*set_tpr)(APICCommonState *s, uint8_t val);
85 void (*external_nmi)(APICCommonState *s);
86 void (*post_load)(APICCommonState *s);
89 struct APICCommonState {
91 MemoryRegion io_memory;
97 uint32_t spurious_vec;
100 uint32_t isr[8]; /* in service register */
101 uint32_t tmr[8]; /* trigger mode register */
102 uint32_t irr[8]; /* interrupt request register */
103 uint32_t lvt[APIC_LVT_NB];
104 uint32_t esr; /* error register */
107 uint32_t divide_conf;
109 uint32_t initial_count;
110 int64_t initial_count_load_time;
114 int64_t timer_expiry;
119 void apic_report_irq_delivered(int delivered);
120 bool apic_next_timer(APICCommonState *s, int64_t current_time);
122 #endif /* !QEMU_APIC_INTERNAL_H */