3 /* Misc. things related to the system emulator. */
5 #include "qemu/option.h"
6 #include "qemu/queue.h"
7 #include "qemu/timer.h"
8 #include "qapi-types.h"
9 #include "qemu/notify.h"
10 #include "qemu/main-loop.h"
11 #include "qemu/bitmap.h"
12 #include "qemu/uuid.h"
13 #include "qom/object.h"
17 extern const char *bios_name
;
19 extern const char *qemu_name
;
20 extern QemuUUID qemu_uuid
;
21 extern bool qemu_uuid_set
;
23 bool runstate_check(RunState state
);
24 void runstate_set(RunState new_state
);
25 int runstate_is_running(void);
26 bool runstate_needs_reset(void);
27 bool runstate_store(char *str
, size_t size
);
28 typedef struct vm_change_state_entry VMChangeStateEntry
;
29 typedef void VMChangeStateHandler(void *opaque
, int running
, RunState state
);
31 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
33 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
);
34 void vm_state_notify(int running
, RunState state
);
36 #define VMRESET_SILENT false
37 #define VMRESET_REPORT true
40 int vm_prepare_start(void);
41 int vm_stop(RunState state
);
42 int vm_stop_force_state(RunState state
);
44 typedef enum WakeupReason
{
45 /* Always keep QEMU_WAKEUP_REASON_NONE = 0 */
46 QEMU_WAKEUP_REASON_NONE
= 0,
47 QEMU_WAKEUP_REASON_RTC
,
48 QEMU_WAKEUP_REASON_PMTIMER
,
49 QEMU_WAKEUP_REASON_OTHER
,
52 void qemu_system_reset_request(void);
53 void qemu_system_suspend_request(void);
54 void qemu_register_suspend_notifier(Notifier
*notifier
);
55 void qemu_system_wakeup_request(WakeupReason reason
);
56 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
);
57 void qemu_register_wakeup_notifier(Notifier
*notifier
);
58 void qemu_system_shutdown_request(void);
59 void qemu_system_powerdown_request(void);
60 void qemu_register_powerdown_notifier(Notifier
*notifier
);
61 void qemu_system_debug_request(void);
62 void qemu_system_vmstop_request(RunState reason
);
63 void qemu_system_vmstop_request_prepare(void);
64 bool qemu_vmstop_requested(RunState
*r
);
65 int qemu_shutdown_requested_get(void);
66 int qemu_reset_requested_get(void);
67 void qemu_system_killed(int signal
, pid_t pid
);
68 void qemu_system_reset(bool report
);
69 void qemu_system_guest_panicked(GuestPanicInformation
*info
);
70 size_t qemu_target_page_size(void);
72 void qemu_add_exit_notifier(Notifier
*notify
);
73 void qemu_remove_exit_notifier(Notifier
*notify
);
75 void qemu_add_machine_init_done_notifier(Notifier
*notify
);
76 void qemu_remove_machine_init_done_notifier(Notifier
*notify
);
78 void hmp_savevm(Monitor
*mon
, const QDict
*qdict
);
79 int save_vmstate(Monitor
*mon
, const char *name
);
80 int load_vmstate(const char *name
);
81 void hmp_delvm(Monitor
*mon
, const QDict
*qdict
);
82 void hmp_info_snapshots(Monitor
*mon
, const QDict
*qdict
);
84 void qemu_announce_self(void);
86 /* Subcommands for QEMU_VM_COMMAND */
88 MIG_CMD_INVALID
= 0, /* Must be 0 */
89 MIG_CMD_OPEN_RETURN_PATH
, /* Tell the dest to open the Return path */
90 MIG_CMD_PING
, /* Request a PONG on the RP */
92 MIG_CMD_POSTCOPY_ADVISE
, /* Prior to any page transfers, just
93 warn we might want to do PC */
94 MIG_CMD_POSTCOPY_LISTEN
, /* Start listening for incoming
95 pages as it's running. */
96 MIG_CMD_POSTCOPY_RUN
, /* Start execution */
98 MIG_CMD_POSTCOPY_RAM_DISCARD
, /* A list of pages to discard that
99 were previously sent during
100 precopy but are dirty. */
101 MIG_CMD_PACKAGED
, /* Send a wrapped stream within this stream */
105 #define MAX_VM_CMD_PACKAGED_SIZE (1ul << 24)
107 bool qemu_savevm_state_blocked(Error
**errp
);
108 void qemu_savevm_state_begin(QEMUFile
*f
,
109 const MigrationParams
*params
);
110 void qemu_savevm_state_header(QEMUFile
*f
);
111 int qemu_savevm_state_iterate(QEMUFile
*f
, bool postcopy
);
112 void qemu_savevm_state_cleanup(void);
113 void qemu_savevm_state_complete_postcopy(QEMUFile
*f
);
114 void qemu_savevm_state_complete_precopy(QEMUFile
*f
, bool iterable_only
);
115 void qemu_savevm_state_pending(QEMUFile
*f
, uint64_t max_size
,
116 uint64_t *res_non_postcopiable
,
117 uint64_t *res_postcopiable
);
118 void qemu_savevm_command_send(QEMUFile
*f
, enum qemu_vm_cmd command
,
119 uint16_t len
, uint8_t *data
);
120 void qemu_savevm_send_ping(QEMUFile
*f
, uint32_t value
);
121 void qemu_savevm_send_open_return_path(QEMUFile
*f
);
122 int qemu_savevm_send_packaged(QEMUFile
*f
, const uint8_t *buf
, size_t len
);
123 void qemu_savevm_send_postcopy_advise(QEMUFile
*f
);
124 void qemu_savevm_send_postcopy_listen(QEMUFile
*f
);
125 void qemu_savevm_send_postcopy_run(QEMUFile
*f
);
127 void qemu_savevm_send_postcopy_ram_discard(QEMUFile
*f
, const char *name
,
129 uint64_t *start_list
,
130 uint64_t *length_list
);
132 int qemu_loadvm_state(QEMUFile
*f
);
134 extern int autostart
;
137 VGA_NONE
, VGA_STD
, VGA_CIRRUS
, VGA_VMWARE
, VGA_XENFB
, VGA_QXL
,
138 VGA_TCX
, VGA_CG3
, VGA_DEVICE
, VGA_VIRTIO
,
142 extern int vga_interface_type
;
143 #define xenfb_enabled (vga_interface_type == VGA_XENFB)
145 extern int graphic_width
;
146 extern int graphic_height
;
147 extern int graphic_depth
;
148 extern int display_opengl
;
149 extern const char *keyboard_layout
;
150 extern int win2k_install_hack
;
152 extern int ctrl_grab
;
155 extern int cursor_hide
;
156 extern int graphic_rotate
;
158 extern int no_shutdown
;
159 extern int old_param
;
160 extern int boot_menu
;
161 extern bool boot_strict
;
162 extern uint8_t *boot_splash_filedata
;
163 extern size_t boot_splash_filedata_size
;
164 extern bool enable_mlock
;
165 extern uint8_t qemu_extra_params_fw
[2];
166 extern QEMUClockType rtc_clock
;
167 extern const char *mem_path
;
168 extern int mem_prealloc
;
170 #define MAX_NODES 128
171 #define NUMA_NODE_UNASSIGNED MAX_NODES
173 #define MAX_OPTION_ROMS 16
174 typedef struct QEMUOptionRom
{
178 extern QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
179 extern int nb_option_roms
;
181 #define MAX_PROM_ENVS 128
182 extern const char *prom_envs
[MAX_PROM_ENVS
];
183 extern unsigned int nb_prom_envs
;
185 /* generic hotplug */
186 void hmp_drive_add(Monitor
*mon
, const QDict
*qdict
);
188 /* pcie aer error injection */
189 void hmp_pcie_aer_inject_error(Monitor
*mon
, const QDict
*qdict
);
193 #define MAX_SERIAL_PORTS 4
195 extern Chardev
*serial_hds
[MAX_SERIAL_PORTS
];
199 #define MAX_PARALLEL_PORTS 3
201 extern Chardev
*parallel_hds
[MAX_PARALLEL_PORTS
];
203 void hmp_usb_add(Monitor
*mon
, const QDict
*qdict
);
204 void hmp_usb_del(Monitor
*mon
, const QDict
*qdict
);
205 void hmp_info_usb(Monitor
*mon
, const QDict
*qdict
);
207 void add_boot_device_path(int32_t bootindex
, DeviceState
*dev
,
209 char *get_boot_devices_list(size_t *size
, bool ignore_suffixes
);
211 DeviceState
*get_boot_device(uint32_t position
);
212 void check_boot_index(int32_t bootindex
, Error
**errp
);
213 void del_boot_device_path(DeviceState
*dev
, const char *suffix
);
214 void device_add_bootindex_property(Object
*obj
, int32_t *bootindex
,
215 const char *name
, const char *suffix
,
216 DeviceState
*dev
, Error
**errp
);
217 void restore_boot_order(void *opaque
);
218 void validate_bootdevices(const char *devices
, Error
**errp
);
220 /* handler to set the boot_device order for a specific type of MachineClass */
221 typedef void QEMUBootSetHandler(void *opaque
, const char *boot_order
,
223 void qemu_register_boot_set(QEMUBootSetHandler
*func
, void *opaque
);
224 void qemu_boot_set(const char *boot_order
, Error
**errp
);
226 QemuOpts
*qemu_get_machine_opts(void);
228 bool defaults_enabled(void);
230 extern QemuOptsList qemu_legacy_drive_opts
;
231 extern QemuOptsList qemu_common_drive_opts
;
232 extern QemuOptsList qemu_drive_opts
;
233 extern QemuOptsList bdrv_runtime_opts
;
234 extern QemuOptsList qemu_chardev_opts
;
235 extern QemuOptsList qemu_device_opts
;
236 extern QemuOptsList qemu_netdev_opts
;
237 extern QemuOptsList qemu_net_opts
;
238 extern QemuOptsList qemu_global_opts
;
239 extern QemuOptsList qemu_mon_opts
;