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