1 #ifndef SYSEMU_H 2 #define SYSEMU_H 3 /* Misc. things related to the system emulator. */ 4 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" 14 15 /* vl.c */ 16 17 extern const char *bios_name; 18 extern int only_migratable; 19 extern const char *qemu_name; 20 extern QemuUUID qemu_uuid; 21 extern bool qemu_uuid_set; 22 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); 30 31 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, 32 void *opaque); 33 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e); 34 void vm_state_notify(int running, RunState state); 35 36 /* Enumeration of various causes for shutdown. */ 37 typedef enum ShutdownCause { 38 SHUTDOWN_CAUSE_NONE, /* No shutdown request pending */ 39 SHUTDOWN_CAUSE_HOST_ERROR, /* An error prevents further use of guest */ 40 SHUTDOWN_CAUSE_HOST_QMP, /* Reaction to a QMP command, like 'quit' */ 41 SHUTDOWN_CAUSE_HOST_SIGNAL, /* Reaction to a signal, such as SIGINT */ 42 SHUTDOWN_CAUSE_HOST_UI, /* Reaction to UI event, like window close */ 43 SHUTDOWN_CAUSE_GUEST_SHUTDOWN,/* Guest shutdown/suspend request, via 44 ACPI or other hardware-specific means */ 45 SHUTDOWN_CAUSE_GUEST_RESET, /* Guest reset request, and command line 46 turns that into a shutdown */ 47 SHUTDOWN_CAUSE_GUEST_PANIC, /* Guest panicked, and command line turns 48 that into a shutdown */ 49 SHUTDOWN_CAUSE__MAX, 50 } ShutdownCause; 51 52 static inline bool shutdown_caused_by_guest(ShutdownCause cause) 53 { 54 return cause >= SHUTDOWN_CAUSE_GUEST_SHUTDOWN; 55 } 56 57 void vm_start(void); 58 int vm_prepare_start(void); 59 int vm_stop(RunState state); 60 int vm_stop_force_state(RunState state); 61 62 typedef enum WakeupReason { 63 /* Always keep QEMU_WAKEUP_REASON_NONE = 0 */ 64 QEMU_WAKEUP_REASON_NONE = 0, 65 QEMU_WAKEUP_REASON_RTC, 66 QEMU_WAKEUP_REASON_PMTIMER, 67 QEMU_WAKEUP_REASON_OTHER, 68 } WakeupReason; 69 70 void qemu_system_reset_request(ShutdownCause reason); 71 void qemu_system_suspend_request(void); 72 void qemu_register_suspend_notifier(Notifier *notifier); 73 void qemu_system_wakeup_request(WakeupReason reason); 74 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled); 75 void qemu_register_wakeup_notifier(Notifier *notifier); 76 void qemu_system_shutdown_request(ShutdownCause reason); 77 void qemu_system_powerdown_request(void); 78 void qemu_register_powerdown_notifier(Notifier *notifier); 79 void qemu_system_debug_request(void); 80 void qemu_system_vmstop_request(RunState reason); 81 void qemu_system_vmstop_request_prepare(void); 82 bool qemu_vmstop_requested(RunState *r); 83 ShutdownCause qemu_shutdown_requested_get(void); 84 ShutdownCause qemu_reset_requested_get(void); 85 void qemu_system_killed(int signal, pid_t pid); 86 void qemu_system_reset(ShutdownCause reason); 87 void qemu_system_guest_panicked(GuestPanicInformation *info); 88 89 void qemu_add_exit_notifier(Notifier *notify); 90 void qemu_remove_exit_notifier(Notifier *notify); 91 92 void qemu_add_machine_init_done_notifier(Notifier *notify); 93 void qemu_remove_machine_init_done_notifier(Notifier *notify); 94 95 void qemu_announce_self(void); 96 97 extern int autostart; 98 99 typedef enum { 100 VGA_NONE, VGA_STD, VGA_CIRRUS, VGA_VMWARE, VGA_XENFB, VGA_QXL, 101 VGA_TCX, VGA_CG3, VGA_DEVICE, VGA_VIRTIO, 102 VGA_TYPE_MAX, 103 } VGAInterfaceType; 104 105 extern int vga_interface_type; 106 #define xenfb_enabled (vga_interface_type == VGA_XENFB) 107 108 extern int graphic_width; 109 extern int graphic_height; 110 extern int graphic_depth; 111 extern int display_opengl; 112 extern const char *keyboard_layout; 113 extern int win2k_install_hack; 114 extern int alt_grab; 115 extern int ctrl_grab; 116 extern int smp_cpus; 117 extern int max_cpus; 118 extern int cursor_hide; 119 extern int graphic_rotate; 120 extern int no_quit; 121 extern int no_shutdown; 122 extern int old_param; 123 extern int boot_menu; 124 extern bool boot_strict; 125 extern uint8_t *boot_splash_filedata; 126 extern size_t boot_splash_filedata_size; 127 extern bool enable_mlock; 128 extern uint8_t qemu_extra_params_fw[2]; 129 extern QEMUClockType rtc_clock; 130 extern const char *mem_path; 131 extern int mem_prealloc; 132 133 #define MAX_NODES 128 134 #define NUMA_NODE_UNASSIGNED MAX_NODES 135 #define NUMA_DISTANCE_MIN 10 136 #define NUMA_DISTANCE_DEFAULT 20 137 #define NUMA_DISTANCE_MAX 254 138 #define NUMA_DISTANCE_UNREACHABLE 255 139 140 #define MAX_OPTION_ROMS 16 141 typedef struct QEMUOptionRom { 142 const char *name; 143 int32_t bootindex; 144 } QEMUOptionRom; 145 extern QEMUOptionRom option_rom[MAX_OPTION_ROMS]; 146 extern int nb_option_roms; 147 148 #define MAX_PROM_ENVS 128 149 extern const char *prom_envs[MAX_PROM_ENVS]; 150 extern unsigned int nb_prom_envs; 151 152 /* generic hotplug */ 153 void hmp_drive_add(Monitor *mon, const QDict *qdict); 154 155 /* pcie aer error injection */ 156 void hmp_pcie_aer_inject_error(Monitor *mon, const QDict *qdict); 157 158 /* serial ports */ 159 160 #define MAX_SERIAL_PORTS 4 161 162 extern Chardev *serial_hds[MAX_SERIAL_PORTS]; 163 164 /* parallel ports */ 165 166 #define MAX_PARALLEL_PORTS 3 167 168 extern Chardev *parallel_hds[MAX_PARALLEL_PORTS]; 169 170 void hmp_usb_add(Monitor *mon, const QDict *qdict); 171 void hmp_usb_del(Monitor *mon, const QDict *qdict); 172 void hmp_info_usb(Monitor *mon, const QDict *qdict); 173 174 void add_boot_device_path(int32_t bootindex, DeviceState *dev, 175 const char *suffix); 176 char *get_boot_devices_list(size_t *size, bool ignore_suffixes); 177 178 DeviceState *get_boot_device(uint32_t position); 179 void check_boot_index(int32_t bootindex, Error **errp); 180 void del_boot_device_path(DeviceState *dev, const char *suffix); 181 void device_add_bootindex_property(Object *obj, int32_t *bootindex, 182 const char *name, const char *suffix, 183 DeviceState *dev, Error **errp); 184 void restore_boot_order(void *opaque); 185 void validate_bootdevices(const char *devices, Error **errp); 186 187 /* handler to set the boot_device order for a specific type of MachineClass */ 188 typedef void QEMUBootSetHandler(void *opaque, const char *boot_order, 189 Error **errp); 190 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque); 191 void qemu_boot_set(const char *boot_order, Error **errp); 192 193 QemuOpts *qemu_get_machine_opts(void); 194 195 bool defaults_enabled(void); 196 197 extern QemuOptsList qemu_legacy_drive_opts; 198 extern QemuOptsList qemu_common_drive_opts; 199 extern QemuOptsList qemu_drive_opts; 200 extern QemuOptsList bdrv_runtime_opts; 201 extern QemuOptsList qemu_chardev_opts; 202 extern QemuOptsList qemu_device_opts; 203 extern QemuOptsList qemu_netdev_opts; 204 extern QemuOptsList qemu_net_opts; 205 extern QemuOptsList qemu_global_opts; 206 extern QemuOptsList qemu_mon_opts; 207 208 #endif 209