include/sysemu/sysemu.h

   1 #ifndef SYSEMU_H
   2 #define SYSEMU_H
   3 /* Misc. things related to the system emulator.  */
   4
   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"
  13
  14 /* vl.c */
  15
  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;
  21
  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);
  29
  30 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
  31                                                      void *opaque);
  32 VMChangeStateEntry *qemu_add_vm_change_state_handler_prio(
  33         VMChangeStateHandler *cb, void *opaque, int priority);
  34 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e);
  35 void vm_state_notify(int running, RunState state);
  36
  37 static inline bool shutdown_caused_by_guest(ShutdownCause cause)
  38 {
  39     return cause >= SHUTDOWN_CAUSE_GUEST_SHUTDOWN;
  40 }
  41
  42 void vm_start(void);
  43 int vm_prepare_start(void);
  44 int vm_stop(RunState state);
  45 int vm_stop_force_state(RunState state);
  46 int vm_shutdown(void);
  47
  48 typedef enum WakeupReason {
  49     /* Always keep QEMU_WAKEUP_REASON_NONE = 0 */
  50     QEMU_WAKEUP_REASON_NONE = 0,
  51     QEMU_WAKEUP_REASON_RTC,
  52     QEMU_WAKEUP_REASON_PMTIMER,
  53     QEMU_WAKEUP_REASON_OTHER,
  54 } WakeupReason;
  55
  56 void qemu_exit_preconfig_request(void);
  57 void qemu_system_reset_request(ShutdownCause reason);
  58 void qemu_system_suspend_request(void);
  59 void qemu_register_suspend_notifier(Notifier *notifier);
  60 bool qemu_wakeup_suspend_enabled(void);
  61 void qemu_system_wakeup_request(WakeupReason reason, Error **errp);
  62 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled);
  63 void qemu_register_wakeup_notifier(Notifier *notifier);
  64 void qemu_register_wakeup_support(void);
  65 void qemu_system_shutdown_request(ShutdownCause reason);
  66 void qemu_system_powerdown_request(void);
  67 void qemu_register_powerdown_notifier(Notifier *notifier);
  68 void qemu_register_shutdown_notifier(Notifier *notifier);
  69 void qemu_system_debug_request(void);
  70 void qemu_system_vmstop_request(RunState reason);
  71 void qemu_system_vmstop_request_prepare(void);
  72 bool qemu_vmstop_requested(RunState *r);
  73 ShutdownCause qemu_shutdown_requested_get(void);
  74 ShutdownCause qemu_reset_requested_get(void);
  75 void qemu_system_killed(int signal, pid_t pid);
  76 void qemu_system_reset(ShutdownCause reason);
  77 void qemu_system_guest_panicked(GuestPanicInformation *info);
  78
  79 void qemu_add_exit_notifier(Notifier *notify);
  80 void qemu_remove_exit_notifier(Notifier *notify);
  81
  82 extern bool machine_init_done;
  83
  84 void qemu_add_machine_init_done_notifier(Notifier *notify);
  85 void qemu_remove_machine_init_done_notifier(Notifier *notify);
  86
  87 extern int autostart;
  88
  89 typedef enum {
  90     VGA_NONE, VGA_STD, VGA_CIRRUS, VGA_VMWARE, VGA_XENFB, VGA_QXL,
  91     VGA_TCX, VGA_CG3, VGA_DEVICE, VGA_VIRTIO,
  92     VGA_TYPE_MAX,
  93 } VGAInterfaceType;
  94
  95 extern int vga_interface_type;
  96 #define xenfb_enabled (vga_interface_type == VGA_XENFB)
  97
  98 extern int graphic_width;
  99 extern int graphic_height;
 100 extern int graphic_depth;
 101 extern int display_opengl;
 102 extern const char *keyboard_layout;
 103 extern int win2k_install_hack;
 104 extern int alt_grab;
 105 extern int ctrl_grab;
 106 extern int smp_cpus;
 107 extern unsigned int max_cpus;
 108 extern int cursor_hide;
 109 extern int graphic_rotate;
 110 extern int no_quit;
 111 extern int no_shutdown;
 112 extern int old_param;
 113 extern int boot_menu;
 114 extern bool boot_strict;
 115 extern uint8_t *boot_splash_filedata;
 116 extern bool enable_mlock;
 117 extern bool enable_cpu_pm;
 118 extern QEMUClockType rtc_clock;
 119 extern const char *mem_path;
 120 extern int mem_prealloc;
 121
 122 #define MAX_NODES 128
 123 #define NUMA_NODE_UNASSIGNED MAX_NODES
 124 #define NUMA_DISTANCE_MIN         10
 125 #define NUMA_DISTANCE_DEFAULT     20
 126 #define NUMA_DISTANCE_MAX         254
 127 #define NUMA_DISTANCE_UNREACHABLE 255
 128
 129 #define MAX_OPTION_ROMS 16
 130 typedef struct QEMUOptionRom {
 131     const char *name;
 132     int32_t bootindex;
 133 } QEMUOptionRom;
 134 extern QEMUOptionRom option_rom[MAX_OPTION_ROMS];
 135 extern int nb_option_roms;
 136
 137 #define MAX_PROM_ENVS 128
 138 extern const char *prom_envs[MAX_PROM_ENVS];
 139 extern unsigned int nb_prom_envs;
 140
 141 /* generic hotplug */
 142 void hmp_drive_add(Monitor *mon, const QDict *qdict);
 143
 144 /* pcie aer error injection */
 145 void hmp_pcie_aer_inject_error(Monitor *mon, const QDict *qdict);
 146
 147 /* serial ports */
 148
 149 /* Return the Chardev for serial port i, or NULL if none */
 150 Chardev *serial_hd(int i);
 151 /* return the number of serial ports defined by the user. serial_hd(i)
 152  * will always return NULL for any i which is greater than or equal to this.
 153  */
 154 int serial_max_hds(void);
 155
 156 /* parallel ports */
 157
 158 #define MAX_PARALLEL_PORTS 3
 159
 160 extern Chardev *parallel_hds[MAX_PARALLEL_PORTS];
 161
 162 void hmp_info_usb(Monitor *mon, const QDict *qdict);
 163
 164 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
 165                           const char *suffix);
 166 char *get_boot_devices_list(size_t *size);
 167
 168 DeviceState *get_boot_device(uint32_t position);
 169 void check_boot_index(int32_t bootindex, Error **errp);
 170 void del_boot_device_path(DeviceState *dev, const char *suffix);
 171 void device_add_bootindex_property(Object *obj, int32_t *bootindex,
 172                                    const char *name, const char *suffix,
 173                                    DeviceState *dev, Error **errp);
 174 void restore_boot_order(void *opaque);
 175 void validate_bootdevices(const char *devices, Error **errp);
 176
 177 /* handler to set the boot_device order for a specific type of MachineClass */
 178 typedef void QEMUBootSetHandler(void *opaque, const char *boot_order,
 179                                 Error **errp);
 180 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque);
 181 void qemu_boot_set(const char *boot_order, Error **errp);
 182
 183 QemuOpts *qemu_get_machine_opts(void);
 184
 185 bool defaults_enabled(void);
 186
 187 extern QemuOptsList qemu_legacy_drive_opts;
 188 extern QemuOptsList qemu_common_drive_opts;
 189 extern QemuOptsList qemu_drive_opts;
 190 extern QemuOptsList bdrv_runtime_opts;
 191 extern QemuOptsList qemu_chardev_opts;
 192 extern QemuOptsList qemu_device_opts;
 193 extern QemuOptsList qemu_netdev_opts;
 194 extern QemuOptsList qemu_nic_opts;
 195 extern QemuOptsList qemu_net_opts;
 196 extern QemuOptsList qemu_global_opts;
 197 extern QemuOptsList qemu_mon_opts;
 198 extern QemuOptsList qemu_semihosting_config_opts;
 199
 200 #endif