xref: /qemu/include/system/system.h (revision 70ce076fa6dff60585c229a4b641b13e64bf03cf)
1 #ifndef SYSTEM_H
2 #define SYSTEM_H
3 /* Misc. things related to the system emulator.  */
4 
5 #include "qemu/timer.h"
6 #include "qemu/notify.h"
7 #include "qemu/uuid.h"
8 
9 /* vl.c */
10 
11 extern int only_migratable;
12 extern const char *qemu_name;
13 extern QemuUUID qemu_uuid;
14 extern bool qemu_uuid_set;
15 
16 const char *qemu_get_vm_name(void);
17 
18 /* Exit notifiers will run with BQL held. */
19 void qemu_add_exit_notifier(Notifier *notify);
20 void qemu_remove_exit_notifier(Notifier *notify);
21 
22 void qemu_add_machine_init_done_notifier(Notifier *notify);
23 void qemu_remove_machine_init_done_notifier(Notifier *notify);
24 
25 void configure_rtc(QemuOpts *opts);
26 
27 void qemu_init_subsystems(void);
28 
29 extern int autostart;
30 
31 typedef enum {
32     VGA_NONE, VGA_STD, VGA_CIRRUS, VGA_VMWARE, VGA_XENFB, VGA_QXL,
33     VGA_TCX, VGA_CG3, VGA_DEVICE, VGA_VIRTIO,
34     VGA_TYPE_MAX,
35 } VGAInterfaceType;
36 
37 extern int vga_interface_type;
38 extern bool vga_interface_created;
39 
40 extern int graphic_width;
41 extern int graphic_height;
42 extern int graphic_depth;
43 extern int display_opengl;
44 extern const char *keyboard_layout;
45 extern int old_param;
46 extern uint8_t *boot_splash_filedata;
47 extern bool enable_cpu_pm;
48 extern QEMUClockType rtc_clock;
49 
50 typedef enum {
51     MLOCK_OFF = 0,
52     MLOCK_ON,
53     MLOCK_ON_FAULT,
54 } MlockState;
55 
56 bool should_mlock(MlockState);
57 bool is_mlock_on_fault(MlockState);
58 
59 extern MlockState mlock_state;
60 
61 #define MAX_OPTION_ROMS 16
62 typedef struct QEMUOptionRom {
63     const char *name;
64     int32_t bootindex;
65 } QEMUOptionRom;
66 extern QEMUOptionRom option_rom[MAX_OPTION_ROMS];
67 extern int nb_option_roms;
68 
69 #define MAX_PROM_ENVS 128
70 extern const char *prom_envs[MAX_PROM_ENVS];
71 extern unsigned int nb_prom_envs;
72 
73 /* serial ports */
74 
75 /* Return the Chardev for serial port i, or NULL if none */
76 Chardev *serial_hd(int i);
77 
78 /* parallel ports */
79 
80 #define MAX_PARALLEL_PORTS 3
81 
82 extern Chardev *parallel_hds[MAX_PARALLEL_PORTS];
83 
84 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
85                           const char *suffix);
86 char *get_boot_devices_list(size_t *size);
87 
88 DeviceState *get_boot_device(uint32_t position);
89 void check_boot_index(int32_t bootindex, Error **errp);
90 void del_boot_device_path(DeviceState *dev, const char *suffix);
91 void device_add_bootindex_property(Object *obj, int32_t *bootindex,
92                                    const char *name, const char *suffix,
93                                    DeviceState *dev);
94 void restore_boot_order(void *opaque);
95 void validate_bootdevices(const char *devices, Error **errp);
96 void add_boot_device_lchs(DeviceState *dev, const char *suffix,
97                           uint32_t lcyls, uint32_t lheads, uint32_t lsecs);
98 void del_boot_device_lchs(DeviceState *dev, const char *suffix);
99 char *get_boot_devices_lchs_list(size_t *size);
100 
101 /* handler to set the boot_device order for a specific type of MachineClass */
102 typedef void QEMUBootSetHandler(void *opaque, const char *boot_order,
103                                 Error **errp);
104 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque);
105 void qemu_boot_set(const char *boot_order, Error **errp);
106 
107 bool defaults_enabled(void);
108 
109 void qemu_init(int argc, char **argv);
110 int qemu_main_loop(void);
111 void qemu_cleanup(int);
112 
113 extern QemuOptsList qemu_legacy_drive_opts;
114 extern QemuOptsList qemu_common_drive_opts;
115 extern QemuOptsList qemu_drive_opts;
116 extern QemuOptsList bdrv_runtime_opts;
117 extern QemuOptsList qemu_chardev_opts;
118 extern QemuOptsList qemu_device_opts;
119 extern QemuOptsList qemu_netdev_opts;
120 extern QemuOptsList qemu_nic_opts;
121 extern QemuOptsList qemu_net_opts;
122 extern QemuOptsList qemu_global_opts;
123 extern QemuOptsList qemu_semihosting_config_opts;
124 
125 #endif
126