3 /* Misc. things related to the system emulator. */
5 #include "qapi/qapi-types-run-state.h"
6 #include "qemu/queue.h"
7 #include "qemu/timer.h"
8 #include "qemu/notify.h"
9 #include "qemu/main-loop.h"
10 #include "qemu/bitmap.h"
11 #include "qemu/uuid.h"
12 #include "qom/object.h"
16 extern const char *bios_name
;
17 extern int only_migratable
;
18 extern const char *qemu_name
;
19 extern QemuUUID qemu_uuid
;
20 extern bool qemu_uuid_set
;
22 bool runstate_check(RunState state
);
23 void runstate_set(RunState new_state
);
24 int runstate_is_running(void);
25 bool runstate_needs_reset(void);
26 bool runstate_store(char *str
, size_t size
);
27 typedef struct vm_change_state_entry VMChangeStateEntry
;
28 typedef void VMChangeStateHandler(void *opaque
, int running
, RunState state
);
30 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
32 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
);
33 void vm_state_notify(int running
, RunState state
);
35 static inline bool shutdown_caused_by_guest(ShutdownCause cause
)
37 return cause
>= SHUTDOWN_CAUSE_GUEST_SHUTDOWN
;
41 int vm_prepare_start(void);
42 int vm_stop(RunState state
);
43 int vm_stop_force_state(RunState state
);
44 int vm_shutdown(void);
46 typedef enum WakeupReason
{
47 /* Always keep QEMU_WAKEUP_REASON_NONE = 0 */
48 QEMU_WAKEUP_REASON_NONE
= 0,
49 QEMU_WAKEUP_REASON_RTC
,
50 QEMU_WAKEUP_REASON_PMTIMER
,
51 QEMU_WAKEUP_REASON_OTHER
,
54 void qemu_exit_preconfig_request(void);
55 void qemu_system_reset_request(ShutdownCause reason
);
56 void qemu_system_suspend_request(void);
57 void qemu_register_suspend_notifier(Notifier
*notifier
);
58 bool qemu_wakeup_suspend_enabled(void);
59 void qemu_system_wakeup_request(WakeupReason reason
, Error
**errp
);
60 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
);
61 void qemu_register_wakeup_notifier(Notifier
*notifier
);
62 void qemu_register_wakeup_support(void);
63 void qemu_system_shutdown_request(ShutdownCause reason
);
64 void qemu_system_powerdown_request(void);
65 void qemu_register_powerdown_notifier(Notifier
*notifier
);
66 void qemu_register_shutdown_notifier(Notifier
*notifier
);
67 void qemu_system_debug_request(void);
68 void qemu_system_vmstop_request(RunState reason
);
69 void qemu_system_vmstop_request_prepare(void);
70 bool qemu_vmstop_requested(RunState
*r
);
71 ShutdownCause
qemu_shutdown_requested_get(void);
72 ShutdownCause
qemu_reset_requested_get(void);
73 void qemu_system_killed(int signal
, pid_t pid
);
74 void qemu_system_reset(ShutdownCause reason
);
75 void qemu_system_guest_panicked(GuestPanicInformation
*info
);
77 void qemu_add_exit_notifier(Notifier
*notify
);
78 void qemu_remove_exit_notifier(Notifier
*notify
);
80 extern bool machine_init_done
;
82 void qemu_add_machine_init_done_notifier(Notifier
*notify
);
83 void qemu_remove_machine_init_done_notifier(Notifier
*notify
);
88 VGA_NONE
, VGA_STD
, VGA_CIRRUS
, VGA_VMWARE
, VGA_XENFB
, VGA_QXL
,
89 VGA_TCX
, VGA_CG3
, VGA_DEVICE
, VGA_VIRTIO
,
93 extern int vga_interface_type
;
94 #define xenfb_enabled (vga_interface_type == VGA_XENFB)
96 extern int graphic_width
;
97 extern int graphic_height
;
98 extern int graphic_depth
;
99 extern int display_opengl
;
100 extern const char *keyboard_layout
;
101 extern int win2k_install_hack
;
103 extern int ctrl_grab
;
105 extern unsigned int max_cpus
;
106 extern int cursor_hide
;
107 extern int graphic_rotate
;
109 extern int no_shutdown
;
110 extern int old_param
;
111 extern int boot_menu
;
112 extern bool boot_strict
;
113 extern uint8_t *boot_splash_filedata
;
114 extern bool enable_mlock
;
115 extern bool enable_cpu_pm
;
116 extern QEMUClockType rtc_clock
;
117 extern const char *mem_path
;
118 extern int mem_prealloc
;
120 #define MAX_NODES 128
121 #define NUMA_NODE_UNASSIGNED MAX_NODES
122 #define NUMA_DISTANCE_MIN 10
123 #define NUMA_DISTANCE_DEFAULT 20
124 #define NUMA_DISTANCE_MAX 254
125 #define NUMA_DISTANCE_UNREACHABLE 255
127 #define MAX_OPTION_ROMS 16
128 typedef struct QEMUOptionRom
{
132 extern QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
133 extern int nb_option_roms
;
135 #define MAX_PROM_ENVS 128
136 extern const char *prom_envs
[MAX_PROM_ENVS
];
137 extern unsigned int nb_prom_envs
;
139 /* generic hotplug */
140 void hmp_drive_add(Monitor
*mon
, const QDict
*qdict
);
142 /* pcie aer error injection */
143 void hmp_pcie_aer_inject_error(Monitor
*mon
, const QDict
*qdict
);
147 /* Return the Chardev for serial port i, or NULL if none */
148 Chardev
*serial_hd(int i
);
149 /* return the number of serial ports defined by the user. serial_hd(i)
150 * will always return NULL for any i which is greater than or equal to this.
152 int serial_max_hds(void);
156 #define MAX_PARALLEL_PORTS 3
158 extern Chardev
*parallel_hds
[MAX_PARALLEL_PORTS
];
160 void hmp_info_usb(Monitor
*mon
, const QDict
*qdict
);
162 void add_boot_device_path(int32_t bootindex
, DeviceState
*dev
,
164 char *get_boot_devices_list(size_t *size
);
166 DeviceState
*get_boot_device(uint32_t position
);
167 void check_boot_index(int32_t bootindex
, Error
**errp
);
168 void del_boot_device_path(DeviceState
*dev
, const char *suffix
);
169 void device_add_bootindex_property(Object
*obj
, int32_t *bootindex
,
170 const char *name
, const char *suffix
,
171 DeviceState
*dev
, Error
**errp
);
172 void restore_boot_order(void *opaque
);
173 void validate_bootdevices(const char *devices
, Error
**errp
);
175 /* handler to set the boot_device order for a specific type of MachineClass */
176 typedef void QEMUBootSetHandler(void *opaque
, const char *boot_order
,
178 void qemu_register_boot_set(QEMUBootSetHandler
*func
, void *opaque
);
179 void qemu_boot_set(const char *boot_order
, Error
**errp
);
181 QemuOpts
*qemu_get_machine_opts(void);
183 bool defaults_enabled(void);
185 extern QemuOptsList qemu_legacy_drive_opts
;
186 extern QemuOptsList qemu_common_drive_opts
;
187 extern QemuOptsList qemu_drive_opts
;
188 extern QemuOptsList bdrv_runtime_opts
;
189 extern QemuOptsList qemu_chardev_opts
;
190 extern QemuOptsList qemu_device_opts
;
191 extern QemuOptsList qemu_netdev_opts
;
192 extern QemuOptsList qemu_nic_opts
;
193 extern QemuOptsList qemu_net_opts
;
194 extern QemuOptsList qemu_global_opts
;
195 extern QemuOptsList qemu_mon_opts
;
196 extern QemuOptsList qemu_semihosting_config_opts
;