block/export: Add query-block-exports
[qemu.git] / include / hw / acpi / acpi.h
1 #ifndef QEMU_HW_ACPI_H
2 #define QEMU_HW_ACPI_H
3
4 /*
5 * Copyright (c) 2009 Isaku Yamahata <yamahata at valinux co jp>
6 * VA Linux Systems Japan K.K.
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
20 * <http://www.gnu.org/licenses/>.
21 */
22
23 #include "qemu/notify.h"
24 #include "exec/memory.h"
25 #include "hw/acpi/acpi_dev_interface.h"
26
27 /*
28 * current device naming scheme supports up to 256 memory devices
29 */
30 #define ACPI_MAX_RAM_SLOTS 256
31
32 /* from linux include/acpi/actype.h */
33 /* Default ACPI register widths */
34
35 #define ACPI_GPE_REGISTER_WIDTH 8
36 #define ACPI_PM1_REGISTER_WIDTH 16
37 #define ACPI_PM2_REGISTER_WIDTH 8
38 #define ACPI_PM_TIMER_WIDTH 32
39
40 /* PC-style peripherals (also used by other machines). */
41 #define ACPI_PM_PROP_S3_DISABLED "disable_s3"
42 #define ACPI_PM_PROP_S4_DISABLED "disable_s4"
43 #define ACPI_PM_PROP_S4_VAL "s4_val"
44 #define ACPI_PM_PROP_SCI_INT "sci_int"
45 #define ACPI_PM_PROP_ACPI_ENABLE_CMD "acpi_enable_cmd"
46 #define ACPI_PM_PROP_ACPI_DISABLE_CMD "acpi_disable_cmd"
47 #define ACPI_PM_PROP_PM_IO_BASE "pm_io_base"
48 #define ACPI_PM_PROP_GPE0_BLK "gpe0_blk"
49 #define ACPI_PM_PROP_GPE0_BLK_LEN "gpe0_blk_len"
50
51 /* PM Timer ticks per second (HZ) */
52 #define PM_TIMER_FREQUENCY 3579545
53
54
55 /* ACPI fixed hardware registers */
56
57 /* from linux/drivers/acpi/acpica/aclocal.h */
58 /* Masks used to access the bit_registers */
59
60 /* PM1x_STS */
61 #define ACPI_BITMASK_TIMER_STATUS 0x0001
62 #define ACPI_BITMASK_BUS_MASTER_STATUS 0x0010
63 #define ACPI_BITMASK_GLOBAL_LOCK_STATUS 0x0020
64 #define ACPI_BITMASK_POWER_BUTTON_STATUS 0x0100
65 #define ACPI_BITMASK_SLEEP_BUTTON_STATUS 0x0200
66 #define ACPI_BITMASK_RT_CLOCK_STATUS 0x0400
67 #define ACPI_BITMASK_PCIEXP_WAKE_STATUS 0x4000 /* ACPI 3.0 */
68 #define ACPI_BITMASK_WAKE_STATUS 0x8000
69
70 #define ACPI_BITMASK_ALL_FIXED_STATUS (\
71 ACPI_BITMASK_TIMER_STATUS | \
72 ACPI_BITMASK_BUS_MASTER_STATUS | \
73 ACPI_BITMASK_GLOBAL_LOCK_STATUS | \
74 ACPI_BITMASK_POWER_BUTTON_STATUS | \
75 ACPI_BITMASK_SLEEP_BUTTON_STATUS | \
76 ACPI_BITMASK_RT_CLOCK_STATUS | \
77 ACPI_BITMASK_WAKE_STATUS)
78
79 /* PM1x_EN */
80 #define ACPI_BITMASK_TIMER_ENABLE 0x0001
81 #define ACPI_BITMASK_GLOBAL_LOCK_ENABLE 0x0020
82 #define ACPI_BITMASK_POWER_BUTTON_ENABLE 0x0100
83 #define ACPI_BITMASK_SLEEP_BUTTON_ENABLE 0x0200
84 #define ACPI_BITMASK_RT_CLOCK_ENABLE 0x0400
85 #define ACPI_BITMASK_PCIEXP_WAKE_DISABLE 0x4000 /* ACPI 3.0 */
86
87 #define ACPI_BITMASK_PM1_COMMON_ENABLED ( \
88 ACPI_BITMASK_RT_CLOCK_ENABLE | \
89 ACPI_BITMASK_POWER_BUTTON_ENABLE | \
90 ACPI_BITMASK_GLOBAL_LOCK_ENABLE | \
91 ACPI_BITMASK_TIMER_ENABLE)
92
93 /* PM1x_CNT */
94 #define ACPI_BITMASK_SCI_ENABLE 0x0001
95 #define ACPI_BITMASK_BUS_MASTER_RLD 0x0002
96 #define ACPI_BITMASK_GLOBAL_LOCK_RELEASE 0x0004
97 #define ACPI_BITMASK_SLEEP_TYPE 0x1C00
98 #define ACPI_BITMASK_SLEEP_ENABLE 0x2000
99
100 /* PM2_CNT */
101 #define ACPI_BITMASK_ARB_DISABLE 0x0001
102
103 /* structs */
104 typedef struct ACPIPMTimer ACPIPMTimer;
105 typedef struct ACPIPM1EVT ACPIPM1EVT;
106 typedef struct ACPIPM1CNT ACPIPM1CNT;
107 typedef struct ACPIGPE ACPIGPE;
108 typedef struct ACPIREGS ACPIREGS;
109
110 typedef void (*acpi_update_sci_fn)(ACPIREGS *ar);
111
112 struct ACPIPMTimer {
113 QEMUTimer *timer;
114 MemoryRegion io;
115 int64_t overflow_time;
116
117 acpi_update_sci_fn update_sci;
118 };
119
120 struct ACPIPM1EVT {
121 MemoryRegion io;
122 uint16_t sts;
123 uint16_t en;
124 acpi_update_sci_fn update_sci;
125 };
126
127 struct ACPIPM1CNT {
128 MemoryRegion io;
129 uint16_t cnt;
130 uint8_t s4_val;
131 };
132
133 struct ACPIGPE {
134 uint8_t len;
135
136 uint8_t *sts;
137 uint8_t *en;
138 };
139
140 struct ACPIREGS {
141 ACPIPMTimer tmr;
142 ACPIGPE gpe;
143 struct {
144 ACPIPM1EVT evt;
145 ACPIPM1CNT cnt;
146 } pm1;
147 Notifier wakeup;
148 };
149
150 /* PM_TMR */
151 void acpi_pm_tmr_update(ACPIREGS *ar, bool enable);
152 void acpi_pm_tmr_calc_overflow_time(ACPIREGS *ar);
153 void acpi_pm_tmr_init(ACPIREGS *ar, acpi_update_sci_fn update_sci,
154 MemoryRegion *parent);
155 void acpi_pm_tmr_reset(ACPIREGS *ar);
156
157 /* PM1a_EVT: piix and ich9 don't implement PM1b. */
158 uint16_t acpi_pm1_evt_get_sts(ACPIREGS *ar);
159 void acpi_pm1_evt_power_down(ACPIREGS *ar);
160 void acpi_pm1_evt_reset(ACPIREGS *ar);
161 void acpi_pm1_evt_init(ACPIREGS *ar, acpi_update_sci_fn update_sci,
162 MemoryRegion *parent);
163
164 /* PM1a_CNT: piix and ich9 don't implement PM1b CNT. */
165 void acpi_pm1_cnt_init(ACPIREGS *ar, MemoryRegion *parent,
166 bool disable_s3, bool disable_s4, uint8_t s4_val);
167 void acpi_pm1_cnt_update(ACPIREGS *ar,
168 bool sci_enable, bool sci_disable);
169 void acpi_pm1_cnt_reset(ACPIREGS *ar);
170
171 /* GPE0 */
172 void acpi_gpe_init(ACPIREGS *ar, uint8_t len);
173 void acpi_gpe_reset(ACPIREGS *ar);
174
175 void acpi_gpe_ioport_writeb(ACPIREGS *ar, uint32_t addr, uint32_t val);
176 uint32_t acpi_gpe_ioport_readb(ACPIREGS *ar, uint32_t addr);
177
178 void acpi_send_gpe_event(ACPIREGS *ar, qemu_irq irq,
179 AcpiEventStatusBits status);
180
181 void acpi_update_sci(ACPIREGS *acpi_regs, qemu_irq irq);
182
183 /* acpi.c */
184 extern char unsigned *acpi_tables;
185 extern size_t acpi_tables_len;
186
187 uint8_t *acpi_table_first(void);
188 uint8_t *acpi_table_next(uint8_t *current);
189 unsigned acpi_table_len(void *current);
190 void acpi_table_add(const QemuOpts *opts, Error **errp);
191
192 typedef struct AcpiSlicOem AcpiSlicOem;
193 struct AcpiSlicOem {
194 char *id;
195 char *table_id;
196 };
197 int acpi_get_slic_oem(AcpiSlicOem *oem);
198
199 #endif /* QEMU_HW_ACPI_H */