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 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 #define VMRESET_SILENT false 37 #define VMRESET_REPORT true 38 39 void vm_start(void); 40 int vm_stop(RunState state); 41 int vm_stop_force_state(RunState state); 42 43 typedef enum WakeupReason { 44 /* Always keep QEMU_WAKEUP_REASON_NONE = 0 */ 45 QEMU_WAKEUP_REASON_NONE = 0, 46 QEMU_WAKEUP_REASON_RTC, 47 QEMU_WAKEUP_REASON_PMTIMER, 48 QEMU_WAKEUP_REASON_OTHER, 49 } WakeupReason; 50 51 void qemu_system_reset_request(void); 52 void qemu_system_suspend_request(void); 53 void qemu_register_suspend_notifier(Notifier *notifier); 54 void qemu_system_wakeup_request(WakeupReason reason); 55 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled); 56 void qemu_register_wakeup_notifier(Notifier *notifier); 57 void qemu_system_shutdown_request(void); 58 void qemu_system_powerdown_request(void); 59 void qemu_register_powerdown_notifier(Notifier *notifier); 60 void qemu_system_debug_request(void); 61 void qemu_system_vmstop_request(RunState reason); 62 void qemu_system_vmstop_request_prepare(void); 63 int qemu_shutdown_requested_get(void); 64 int qemu_reset_requested_get(void); 65 void qemu_system_killed(int signal, pid_t pid); 66 void qemu_system_reset(bool report); 67 void qemu_system_guest_panicked(void); 68 size_t qemu_target_page_bits(void); 69 70 void qemu_add_exit_notifier(Notifier *notify); 71 void qemu_remove_exit_notifier(Notifier *notify); 72 73 void qemu_add_machine_init_done_notifier(Notifier *notify); 74 void qemu_remove_machine_init_done_notifier(Notifier *notify); 75 76 void hmp_savevm(Monitor *mon, const QDict *qdict); 77 int save_vmstate(Monitor *mon, const char *name); 78 int load_vmstate(const char *name); 79 void hmp_delvm(Monitor *mon, const QDict *qdict); 80 void hmp_info_snapshots(Monitor *mon, const QDict *qdict); 81 82 void qemu_announce_self(void); 83 84 /* Subcommands for QEMU_VM_COMMAND */ 85 enum qemu_vm_cmd { 86 MIG_CMD_INVALID = 0, /* Must be 0 */ 87 MIG_CMD_OPEN_RETURN_PATH, /* Tell the dest to open the Return path */ 88 MIG_CMD_PING, /* Request a PONG on the RP */ 89 90 MIG_CMD_POSTCOPY_ADVISE, /* Prior to any page transfers, just 91 warn we might want to do PC */ 92 MIG_CMD_POSTCOPY_LISTEN, /* Start listening for incoming 93 pages as it's running. */ 94 MIG_CMD_POSTCOPY_RUN, /* Start execution */ 95 96 MIG_CMD_POSTCOPY_RAM_DISCARD, /* A list of pages to discard that 97 were previously sent during 98 precopy but are dirty. */ 99 MIG_CMD_PACKAGED, /* Send a wrapped stream within this stream */ 100 MIG_CMD_MAX 101 }; 102 103 #define MAX_VM_CMD_PACKAGED_SIZE (1ul << 24) 104 105 bool qemu_savevm_state_blocked(Error **errp); 106 void qemu_savevm_state_begin(QEMUFile *f, 107 const MigrationParams *params); 108 void qemu_savevm_state_header(QEMUFile *f); 109 int qemu_savevm_state_iterate(QEMUFile *f, bool postcopy); 110 void qemu_savevm_state_cleanup(void); 111 void qemu_savevm_state_complete_postcopy(QEMUFile *f); 112 void qemu_savevm_state_complete_precopy(QEMUFile *f, bool iterable_only); 113 void qemu_savevm_state_pending(QEMUFile *f, uint64_t max_size, 114 uint64_t *res_non_postcopiable, 115 uint64_t *res_postcopiable); 116 void qemu_savevm_command_send(QEMUFile *f, enum qemu_vm_cmd command, 117 uint16_t len, uint8_t *data); 118 void qemu_savevm_send_ping(QEMUFile *f, uint32_t value); 119 void qemu_savevm_send_open_return_path(QEMUFile *f); 120 int qemu_savevm_send_packaged(QEMUFile *f, const uint8_t *buf, size_t len); 121 void qemu_savevm_send_postcopy_advise(QEMUFile *f); 122 void qemu_savevm_send_postcopy_listen(QEMUFile *f); 123 void qemu_savevm_send_postcopy_run(QEMUFile *f); 124 125 void qemu_savevm_send_postcopy_ram_discard(QEMUFile *f, const char *name, 126 uint16_t len, 127 uint64_t *start_list, 128 uint64_t *length_list); 129 130 int qemu_loadvm_state(QEMUFile *f); 131 132 extern int autostart; 133 134 typedef enum { 135 VGA_NONE, VGA_STD, VGA_CIRRUS, VGA_VMWARE, VGA_XENFB, VGA_QXL, 136 VGA_TCX, VGA_CG3, VGA_DEVICE, VGA_VIRTIO, 137 VGA_TYPE_MAX, 138 } VGAInterfaceType; 139 140 extern int vga_interface_type; 141 #define xenfb_enabled (vga_interface_type == VGA_XENFB) 142 143 extern int graphic_width; 144 extern int graphic_height; 145 extern int graphic_depth; 146 extern int display_opengl; 147 extern const char *keyboard_layout; 148 extern int win2k_install_hack; 149 extern int alt_grab; 150 extern int ctrl_grab; 151 extern int smp_cpus; 152 extern int max_cpus; 153 extern int cursor_hide; 154 extern int graphic_rotate; 155 extern int no_quit; 156 extern int no_shutdown; 157 extern int old_param; 158 extern int boot_menu; 159 extern bool boot_strict; 160 extern uint8_t *boot_splash_filedata; 161 extern size_t boot_splash_filedata_size; 162 extern bool enable_mlock; 163 extern uint8_t qemu_extra_params_fw[2]; 164 extern QEMUClockType rtc_clock; 165 extern const char *mem_path; 166 extern int mem_prealloc; 167 168 #define MAX_NODES 128 169 #define NUMA_NODE_UNASSIGNED MAX_NODES 170 171 #define MAX_OPTION_ROMS 16 172 typedef struct QEMUOptionRom { 173 const char *name; 174 int32_t bootindex; 175 } QEMUOptionRom; 176 extern QEMUOptionRom option_rom[MAX_OPTION_ROMS]; 177 extern int nb_option_roms; 178 179 #define MAX_PROM_ENVS 128 180 extern const char *prom_envs[MAX_PROM_ENVS]; 181 extern unsigned int nb_prom_envs; 182 183 /* generic hotplug */ 184 void hmp_drive_add(Monitor *mon, const QDict *qdict); 185 186 /* pcie aer error injection */ 187 void hmp_pcie_aer_inject_error(Monitor *mon, const QDict *qdict); 188 189 /* serial ports */ 190 191 #define MAX_SERIAL_PORTS 4 192 193 extern Chardev *serial_hds[MAX_SERIAL_PORTS]; 194 195 /* parallel ports */ 196 197 #define MAX_PARALLEL_PORTS 3 198 199 extern Chardev *parallel_hds[MAX_PARALLEL_PORTS]; 200 201 void hmp_usb_add(Monitor *mon, const QDict *qdict); 202 void hmp_usb_del(Monitor *mon, const QDict *qdict); 203 void hmp_info_usb(Monitor *mon, const QDict *qdict); 204 205 void add_boot_device_path(int32_t bootindex, DeviceState *dev, 206 const char *suffix); 207 char *get_boot_devices_list(size_t *size, bool ignore_suffixes); 208 209 DeviceState *get_boot_device(uint32_t position); 210 void check_boot_index(int32_t bootindex, Error **errp); 211 void del_boot_device_path(DeviceState *dev, const char *suffix); 212 void device_add_bootindex_property(Object *obj, int32_t *bootindex, 213 const char *name, const char *suffix, 214 DeviceState *dev, Error **errp); 215 void restore_boot_order(void *opaque); 216 void validate_bootdevices(const char *devices, Error **errp); 217 218 /* handler to set the boot_device order for a specific type of MachineClass */ 219 typedef void QEMUBootSetHandler(void *opaque, const char *boot_order, 220 Error **errp); 221 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque); 222 void qemu_boot_set(const char *boot_order, Error **errp); 223 224 QemuOpts *qemu_get_machine_opts(void); 225 226 bool defaults_enabled(void); 227 228 extern QemuOptsList qemu_legacy_drive_opts; 229 extern QemuOptsList qemu_common_drive_opts; 230 extern QemuOptsList qemu_drive_opts; 231 extern QemuOptsList bdrv_runtime_opts; 232 extern QemuOptsList qemu_chardev_opts; 233 extern QemuOptsList qemu_device_opts; 234 extern QemuOptsList qemu_netdev_opts; 235 extern QemuOptsList qemu_net_opts; 236 extern QemuOptsList qemu_global_opts; 237 extern QemuOptsList qemu_mon_opts; 238 239 #endif 240