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_prepare_start(void); 41 int vm_stop(RunState state); 42 int vm_stop_force_state(RunState state); 43 44 typedef enum WakeupReason { 45 /* Always keep QEMU_WAKEUP_REASON_NONE = 0 */ 46 QEMU_WAKEUP_REASON_NONE = 0, 47 QEMU_WAKEUP_REASON_RTC, 48 QEMU_WAKEUP_REASON_PMTIMER, 49 QEMU_WAKEUP_REASON_OTHER, 50 } WakeupReason; 51 52 void qemu_system_reset_request(void); 53 void qemu_system_suspend_request(void); 54 void qemu_register_suspend_notifier(Notifier *notifier); 55 void qemu_system_wakeup_request(WakeupReason reason); 56 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled); 57 void qemu_register_wakeup_notifier(Notifier *notifier); 58 void qemu_system_shutdown_request(void); 59 void qemu_system_powerdown_request(void); 60 void qemu_register_powerdown_notifier(Notifier *notifier); 61 void qemu_system_debug_request(void); 62 void qemu_system_vmstop_request(RunState reason); 63 void qemu_system_vmstop_request_prepare(void); 64 bool qemu_vmstop_requested(RunState *r); 65 int qemu_shutdown_requested_get(void); 66 int qemu_reset_requested_get(void); 67 void qemu_system_killed(int signal, pid_t pid); 68 void qemu_system_reset(bool report); 69 void qemu_system_guest_panicked(GuestPanicInformation *info); 70 size_t qemu_target_page_size(void); 71 72 void qemu_add_exit_notifier(Notifier *notify); 73 void qemu_remove_exit_notifier(Notifier *notify); 74 75 void qemu_add_machine_init_done_notifier(Notifier *notify); 76 void qemu_remove_machine_init_done_notifier(Notifier *notify); 77 78 int save_vmstate(const char *name, Error **errp); 79 int load_vmstate(const char *name, Error **errp); 80 81 void qemu_announce_self(void); 82 83 /* Subcommands for QEMU_VM_COMMAND */ 84 enum qemu_vm_cmd { 85 MIG_CMD_INVALID = 0, /* Must be 0 */ 86 MIG_CMD_OPEN_RETURN_PATH, /* Tell the dest to open the Return path */ 87 MIG_CMD_PING, /* Request a PONG on the RP */ 88 89 MIG_CMD_POSTCOPY_ADVISE, /* Prior to any page transfers, just 90 warn we might want to do PC */ 91 MIG_CMD_POSTCOPY_LISTEN, /* Start listening for incoming 92 pages as it's running. */ 93 MIG_CMD_POSTCOPY_RUN, /* Start execution */ 94 95 MIG_CMD_POSTCOPY_RAM_DISCARD, /* A list of pages to discard that 96 were previously sent during 97 precopy but are dirty. */ 98 MIG_CMD_PACKAGED, /* Send a wrapped stream within this stream */ 99 MIG_CMD_MAX 100 }; 101 102 #define MAX_VM_CMD_PACKAGED_SIZE (1ul << 24) 103 104 bool qemu_savevm_state_blocked(Error **errp); 105 void qemu_savevm_state_begin(QEMUFile *f, 106 const MigrationParams *params); 107 void qemu_savevm_state_header(QEMUFile *f); 108 int qemu_savevm_state_iterate(QEMUFile *f, bool postcopy); 109 void qemu_savevm_state_cleanup(void); 110 void qemu_savevm_state_complete_postcopy(QEMUFile *f); 111 void qemu_savevm_state_complete_precopy(QEMUFile *f, bool iterable_only); 112 void qemu_savevm_state_pending(QEMUFile *f, uint64_t max_size, 113 uint64_t *res_non_postcopiable, 114 uint64_t *res_postcopiable); 115 void qemu_savevm_command_send(QEMUFile *f, enum qemu_vm_cmd command, 116 uint16_t len, uint8_t *data); 117 void qemu_savevm_send_ping(QEMUFile *f, uint32_t value); 118 void qemu_savevm_send_open_return_path(QEMUFile *f); 119 int qemu_savevm_send_packaged(QEMUFile *f, const uint8_t *buf, size_t len); 120 void qemu_savevm_send_postcopy_advise(QEMUFile *f); 121 void qemu_savevm_send_postcopy_listen(QEMUFile *f); 122 void qemu_savevm_send_postcopy_run(QEMUFile *f); 123 124 void qemu_savevm_send_postcopy_ram_discard(QEMUFile *f, const char *name, 125 uint16_t len, 126 uint64_t *start_list, 127 uint64_t *length_list); 128 129 int qemu_loadvm_state(QEMUFile *f); 130 131 extern int autostart; 132 133 typedef enum { 134 VGA_NONE, VGA_STD, VGA_CIRRUS, VGA_VMWARE, VGA_XENFB, VGA_QXL, 135 VGA_TCX, VGA_CG3, VGA_DEVICE, VGA_VIRTIO, 136 VGA_TYPE_MAX, 137 } VGAInterfaceType; 138 139 extern int vga_interface_type; 140 #define xenfb_enabled (vga_interface_type == VGA_XENFB) 141 142 extern int graphic_width; 143 extern int graphic_height; 144 extern int graphic_depth; 145 extern int display_opengl; 146 extern const char *keyboard_layout; 147 extern int win2k_install_hack; 148 extern int alt_grab; 149 extern int ctrl_grab; 150 extern int smp_cpus; 151 extern int max_cpus; 152 extern int cursor_hide; 153 extern int graphic_rotate; 154 extern int no_quit; 155 extern int no_shutdown; 156 extern int old_param; 157 extern int boot_menu; 158 extern bool boot_strict; 159 extern uint8_t *boot_splash_filedata; 160 extern size_t boot_splash_filedata_size; 161 extern bool enable_mlock; 162 extern uint8_t qemu_extra_params_fw[2]; 163 extern QEMUClockType rtc_clock; 164 extern const char *mem_path; 165 extern int mem_prealloc; 166 167 #define MAX_NODES 128 168 #define NUMA_NODE_UNASSIGNED MAX_NODES 169 #define NUMA_DISTANCE_MIN 10 170 #define NUMA_DISTANCE_DEFAULT 20 171 #define NUMA_DISTANCE_MAX 254 172 #define NUMA_DISTANCE_UNREACHABLE 255 173 174 #define MAX_OPTION_ROMS 16 175 typedef struct QEMUOptionRom { 176 const char *name; 177 int32_t bootindex; 178 } QEMUOptionRom; 179 extern QEMUOptionRom option_rom[MAX_OPTION_ROMS]; 180 extern int nb_option_roms; 181 182 #define MAX_PROM_ENVS 128 183 extern const char *prom_envs[MAX_PROM_ENVS]; 184 extern unsigned int nb_prom_envs; 185 186 /* generic hotplug */ 187 void hmp_drive_add(Monitor *mon, const QDict *qdict); 188 189 /* pcie aer error injection */ 190 void hmp_pcie_aer_inject_error(Monitor *mon, const QDict *qdict); 191 192 /* serial ports */ 193 194 #define MAX_SERIAL_PORTS 4 195 196 extern Chardev *serial_hds[MAX_SERIAL_PORTS]; 197 198 /* parallel ports */ 199 200 #define MAX_PARALLEL_PORTS 3 201 202 extern Chardev *parallel_hds[MAX_PARALLEL_PORTS]; 203 204 void hmp_usb_add(Monitor *mon, const QDict *qdict); 205 void hmp_usb_del(Monitor *mon, const QDict *qdict); 206 void hmp_info_usb(Monitor *mon, const QDict *qdict); 207 208 void add_boot_device_path(int32_t bootindex, DeviceState *dev, 209 const char *suffix); 210 char *get_boot_devices_list(size_t *size, bool ignore_suffixes); 211 212 DeviceState *get_boot_device(uint32_t position); 213 void check_boot_index(int32_t bootindex, Error **errp); 214 void del_boot_device_path(DeviceState *dev, const char *suffix); 215 void device_add_bootindex_property(Object *obj, int32_t *bootindex, 216 const char *name, const char *suffix, 217 DeviceState *dev, Error **errp); 218 void restore_boot_order(void *opaque); 219 void validate_bootdevices(const char *devices, Error **errp); 220 221 /* handler to set the boot_device order for a specific type of MachineClass */ 222 typedef void QEMUBootSetHandler(void *opaque, const char *boot_order, 223 Error **errp); 224 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque); 225 void qemu_boot_set(const char *boot_order, Error **errp); 226 227 QemuOpts *qemu_get_machine_opts(void); 228 229 bool defaults_enabled(void); 230 231 extern QemuOptsList qemu_legacy_drive_opts; 232 extern QemuOptsList qemu_common_drive_opts; 233 extern QemuOptsList qemu_drive_opts; 234 extern QemuOptsList bdrv_runtime_opts; 235 extern QemuOptsList qemu_chardev_opts; 236 extern QemuOptsList qemu_device_opts; 237 extern QemuOptsList qemu_netdev_opts; 238 extern QemuOptsList qemu_net_opts; 239 extern QemuOptsList qemu_global_opts; 240 extern QemuOptsList qemu_mon_opts; 241 242 #endif 243