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 const char *qemu_name; 18 extern QemuUUID qemu_uuid; 19 extern bool qemu_uuid_set; 20 21 bool runstate_check(RunState state); 22 void runstate_set(RunState new_state); 23 int runstate_is_running(void); 24 bool runstate_needs_reset(void); 25 bool runstate_store(char *str, size_t size); 26 typedef struct vm_change_state_entry VMChangeStateEntry; 27 typedef void VMChangeStateHandler(void *opaque, int running, RunState state); 28 29 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, 30 void *opaque); 31 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e); 32 void vm_state_notify(int running, RunState state); 33 34 static inline bool shutdown_caused_by_guest(ShutdownCause cause) 35 { 36 return cause >= SHUTDOWN_CAUSE_GUEST_SHUTDOWN; 37 } 38 39 void vm_start(void); 40 int vm_prepare_start(void); 41 int vm_stop(RunState state); 42 int vm_stop_force_state(RunState state); 43 int vm_shutdown(void); 44 45 typedef enum WakeupReason { 46 /* Always keep QEMU_WAKEUP_REASON_NONE = 0 */ 47 QEMU_WAKEUP_REASON_NONE = 0, 48 QEMU_WAKEUP_REASON_RTC, 49 QEMU_WAKEUP_REASON_PMTIMER, 50 QEMU_WAKEUP_REASON_OTHER, 51 } WakeupReason; 52 53 void qemu_exit_preconfig_request(void); 54 void qemu_system_reset_request(ShutdownCause reason); 55 void qemu_system_suspend_request(void); 56 void qemu_register_suspend_notifier(Notifier *notifier); 57 bool qemu_wakeup_suspend_enabled(void); 58 void qemu_system_wakeup_request(WakeupReason reason, Error **errp); 59 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled); 60 void qemu_register_wakeup_notifier(Notifier *notifier); 61 void qemu_register_wakeup_support(void); 62 void qemu_system_shutdown_request(ShutdownCause reason); 63 void qemu_system_powerdown_request(void); 64 void qemu_register_powerdown_notifier(Notifier *notifier); 65 void qemu_register_shutdown_notifier(Notifier *notifier); 66 void qemu_system_debug_request(void); 67 void qemu_system_vmstop_request(RunState reason); 68 void qemu_system_vmstop_request_prepare(void); 69 bool qemu_vmstop_requested(RunState *r); 70 ShutdownCause qemu_shutdown_requested_get(void); 71 ShutdownCause qemu_reset_requested_get(void); 72 void qemu_system_killed(int signal, pid_t pid); 73 void qemu_system_reset(ShutdownCause reason); 74 void qemu_system_guest_panicked(GuestPanicInformation *info); 75 76 void qemu_add_exit_notifier(Notifier *notify); 77 void qemu_remove_exit_notifier(Notifier *notify); 78 79 extern bool machine_init_done; 80 81 void qemu_add_machine_init_done_notifier(Notifier *notify); 82 void qemu_remove_machine_init_done_notifier(Notifier *notify); 83 84 void qemu_announce_self(void); 85 86 extern int autostart; 87 88 typedef enum { 89 VGA_NONE, VGA_STD, VGA_CIRRUS, VGA_VMWARE, VGA_XENFB, VGA_QXL, 90 VGA_TCX, VGA_CG3, VGA_DEVICE, VGA_VIRTIO, 91 VGA_TYPE_MAX, 92 } VGAInterfaceType; 93 94 extern int vga_interface_type; 95 #define xenfb_enabled (vga_interface_type == VGA_XENFB) 96 97 extern int graphic_width; 98 extern int graphic_height; 99 extern int graphic_depth; 100 extern int display_opengl; 101 extern const char *keyboard_layout; 102 extern int win2k_install_hack; 103 extern int alt_grab; 104 extern int ctrl_grab; 105 extern int smp_cpus; 106 extern unsigned int max_cpus; 107 extern int cursor_hide; 108 extern int graphic_rotate; 109 extern int no_quit; 110 extern int no_shutdown; 111 extern int old_param; 112 extern int boot_menu; 113 extern bool boot_strict; 114 extern uint8_t *boot_splash_filedata; 115 extern size_t boot_splash_filedata_size; 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; 198 199 #endif 200