1#ifndef QEMU_HW_ACPI_H
2#define QEMU_HW_ACPI_H
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22#include "qemu/notify.h"
23#include "qemu/option.h"
24#include "exec/memory.h"
25#include "hw/irq.h"
26
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28
29
30#define ACPI_MAX_RAM_SLOTS 256
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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
41#define PM_TIMER_FREQUENCY 3579545
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48
49
50#define ACPI_BITMASK_TIMER_STATUS 0x0001
51#define ACPI_BITMASK_BUS_MASTER_STATUS 0x0010
52#define ACPI_BITMASK_GLOBAL_LOCK_STATUS 0x0020
53#define ACPI_BITMASK_POWER_BUTTON_STATUS 0x0100
54#define ACPI_BITMASK_SLEEP_BUTTON_STATUS 0x0200
55#define ACPI_BITMASK_RT_CLOCK_STATUS 0x0400
56#define ACPI_BITMASK_PCIEXP_WAKE_STATUS 0x4000
57#define ACPI_BITMASK_WAKE_STATUS 0x8000
58
59#define ACPI_BITMASK_ALL_FIXED_STATUS (\
60 ACPI_BITMASK_TIMER_STATUS | \
61 ACPI_BITMASK_BUS_MASTER_STATUS | \
62 ACPI_BITMASK_GLOBAL_LOCK_STATUS | \
63 ACPI_BITMASK_POWER_BUTTON_STATUS | \
64 ACPI_BITMASK_SLEEP_BUTTON_STATUS | \
65 ACPI_BITMASK_RT_CLOCK_STATUS | \
66 ACPI_BITMASK_WAKE_STATUS)
67
68
69#define ACPI_BITMASK_TIMER_ENABLE 0x0001
70#define ACPI_BITMASK_GLOBAL_LOCK_ENABLE 0x0020
71#define ACPI_BITMASK_POWER_BUTTON_ENABLE 0x0100
72#define ACPI_BITMASK_SLEEP_BUTTON_ENABLE 0x0200
73#define ACPI_BITMASK_RT_CLOCK_ENABLE 0x0400
74#define ACPI_BITMASK_PCIEXP_WAKE_DISABLE 0x4000
75
76#define ACPI_BITMASK_PM1_COMMON_ENABLED ( \
77 ACPI_BITMASK_RT_CLOCK_ENABLE | \
78 ACPI_BITMASK_POWER_BUTTON_ENABLE | \
79 ACPI_BITMASK_GLOBAL_LOCK_ENABLE | \
80 ACPI_BITMASK_TIMER_ENABLE)
81
82
83#define ACPI_BITMASK_SCI_ENABLE 0x0001
84#define ACPI_BITMASK_BUS_MASTER_RLD 0x0002
85#define ACPI_BITMASK_GLOBAL_LOCK_RELEASE 0x0004
86#define ACPI_BITMASK_SLEEP_TYPE 0x1C00
87#define ACPI_BITMASK_SLEEP_ENABLE 0x2000
88
89
90#define ACPI_BITMASK_ARB_DISABLE 0x0001
91
92
93typedef enum {
94 ACPI_PCI_HOTPLUG_STATUS = 2,
95 ACPI_CPU_HOTPLUG_STATUS = 4,
96 ACPI_MEMORY_HOTPLUG_STATUS = 8,
97} AcpiGPEStatusBits;
98
99
100typedef struct ACPIPMTimer ACPIPMTimer;
101typedef struct ACPIPM1EVT ACPIPM1EVT;
102typedef struct ACPIPM1CNT ACPIPM1CNT;
103typedef struct ACPIGPE ACPIGPE;
104typedef struct ACPIREGS ACPIREGS;
105
106typedef void (*acpi_update_sci_fn)(ACPIREGS *ar);
107
108struct ACPIPMTimer {
109 QEMUTimer *timer;
110 MemoryRegion io;
111 int64_t overflow_time;
112
113 acpi_update_sci_fn update_sci;
114};
115
116struct ACPIPM1EVT {
117 MemoryRegion io;
118 uint16_t sts;
119 uint16_t en;
120 acpi_update_sci_fn update_sci;
121};
122
123struct ACPIPM1CNT {
124 MemoryRegion io;
125 uint16_t cnt;
126 uint8_t s4_val;
127};
128
129struct ACPIGPE {
130 uint8_t len;
131
132 uint8_t *sts;
133 uint8_t *en;
134};
135
136struct ACPIREGS {
137 ACPIPMTimer tmr;
138 ACPIGPE gpe;
139 struct {
140 ACPIPM1EVT evt;
141 ACPIPM1CNT cnt;
142 } pm1;
143 Notifier wakeup;
144};
145
146
147void acpi_pm_tmr_update(ACPIREGS *ar, bool enable);
148void acpi_pm_tmr_calc_overflow_time(ACPIREGS *ar);
149void acpi_pm_tmr_init(ACPIREGS *ar, acpi_update_sci_fn update_sci,
150 MemoryRegion *parent);
151void acpi_pm_tmr_reset(ACPIREGS *ar);
152
153#include "qemu/timer.h"
154static inline int64_t acpi_pm_tmr_get_clock(void)
155{
156 return muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), PM_TIMER_FREQUENCY,
157 NANOSECONDS_PER_SECOND);
158}
159
160
161uint16_t acpi_pm1_evt_get_sts(ACPIREGS *ar);
162void acpi_pm1_evt_power_down(ACPIREGS *ar);
163void acpi_pm1_evt_reset(ACPIREGS *ar);
164void acpi_pm1_evt_init(ACPIREGS *ar, acpi_update_sci_fn update_sci,
165 MemoryRegion *parent);
166
167
168void acpi_pm1_cnt_init(ACPIREGS *ar, MemoryRegion *parent,
169 bool disable_s3, bool disable_s4, uint8_t s4_val);
170void acpi_pm1_cnt_update(ACPIREGS *ar,
171 bool sci_enable, bool sci_disable);
172void acpi_pm1_cnt_reset(ACPIREGS *ar);
173
174
175void acpi_gpe_init(ACPIREGS *ar, uint8_t len);
176void acpi_gpe_reset(ACPIREGS *ar);
177
178void acpi_gpe_ioport_writeb(ACPIREGS *ar, uint32_t addr, uint32_t val);
179uint32_t acpi_gpe_ioport_readb(ACPIREGS *ar, uint32_t addr);
180
181void acpi_send_gpe_event(ACPIREGS *ar, qemu_irq irq,
182 AcpiGPEStatusBits status);
183
184void acpi_update_sci(ACPIREGS *acpi_regs, qemu_irq irq);
185
186
187extern int acpi_enabled;
188extern char unsigned *acpi_tables;
189extern size_t acpi_tables_len;
190
191uint8_t *acpi_table_first(void);
192uint8_t *acpi_table_next(uint8_t *current);
193unsigned acpi_table_len(void *current);
194void acpi_table_add(const QemuOpts *opts, Error **errp);
195void acpi_table_add_builtin(const QemuOpts *opts, Error **errp);
196
197typedef struct AcpiSlicOem AcpiSlicOem;
198struct AcpiSlicOem {
199 char *id;
200 char *table_id;
201};
202int acpi_get_slic_oem(AcpiSlicOem *oem);
203
204#endif
205