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 "qom/object.h" 13 14 /* vl.c */ 15 16 extern const char *bios_name; 17 18 extern const char *qemu_name; 19 extern uint8_t qemu_uuid[]; 20 extern bool qemu_uuid_set; 21 int qemu_uuid_parse(const char *str, uint8_t *uuid); 22 23 #define UUID_FMT "%02hhx%02hhx%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx" 24 #define UUID_NONE "00000000-0000-0000-0000-000000000000" 25 26 bool runstate_check(RunState state); 27 void runstate_set(RunState new_state); 28 int runstate_is_running(void); 29 bool runstate_needs_reset(void); 30 bool runstate_store(char *str, size_t size); 31 typedef struct vm_change_state_entry VMChangeStateEntry; 32 typedef void VMChangeStateHandler(void *opaque, int running, RunState state); 33 34 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, 35 void *opaque); 36 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e); 37 void vm_state_notify(int running, RunState state); 38 39 #define VMRESET_SILENT false 40 #define VMRESET_REPORT true 41 42 void vm_start(void); 43 int vm_stop(RunState state); 44 int vm_stop_force_state(RunState state); 45 46 typedef enum WakeupReason { 47 /* Always keep QEMU_WAKEUP_REASON_NONE = 0 */ 48 QEMU_WAKEUP_REASON_NONE = 0, 49 QEMU_WAKEUP_REASON_RTC, 50 QEMU_WAKEUP_REASON_PMTIMER, 51 QEMU_WAKEUP_REASON_OTHER, 52 } WakeupReason; 53 54 void qemu_system_reset_request(void); 55 void qemu_system_suspend_request(void); 56 void qemu_register_suspend_notifier(Notifier *notifier); 57 void qemu_system_wakeup_request(WakeupReason reason); 58 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled); 59 void qemu_register_wakeup_notifier(Notifier *notifier); 60 void qemu_system_shutdown_request(void); 61 void qemu_system_powerdown_request(void); 62 void qemu_register_powerdown_notifier(Notifier *notifier); 63 void qemu_system_debug_request(void); 64 void qemu_system_vmstop_request(RunState reason); 65 void qemu_system_vmstop_request_prepare(void); 66 int qemu_shutdown_requested_get(void); 67 int qemu_reset_requested_get(void); 68 void qemu_system_killed(int signal, pid_t pid); 69 void qemu_devices_reset(void); 70 void qemu_system_reset(bool report); 71 void qemu_system_guest_panicked(void); 72 size_t qemu_target_page_bits(void); 73 74 void qemu_add_exit_notifier(Notifier *notify); 75 void qemu_remove_exit_notifier(Notifier *notify); 76 77 void qemu_add_machine_init_done_notifier(Notifier *notify); 78 void qemu_remove_machine_init_done_notifier(Notifier *notify); 79 80 void hmp_savevm(Monitor *mon, const QDict *qdict); 81 int load_vmstate(const char *name); 82 void hmp_delvm(Monitor *mon, const QDict *qdict); 83 void hmp_info_snapshots(Monitor *mon, const QDict *qdict); 84 85 void qemu_announce_self(void); 86 87 /* Subcommands for QEMU_VM_COMMAND */ 88 enum qemu_vm_cmd { 89 MIG_CMD_INVALID = 0, /* Must be 0 */ 90 MIG_CMD_OPEN_RETURN_PATH, /* Tell the dest to open the Return path */ 91 MIG_CMD_PING, /* Request a PONG on the RP */ 92 93 MIG_CMD_POSTCOPY_ADVISE, /* Prior to any page transfers, just 94 warn we might want to do PC */ 95 MIG_CMD_POSTCOPY_LISTEN, /* Start listening for incoming 96 pages as it's running. */ 97 MIG_CMD_POSTCOPY_RUN, /* Start execution */ 98 99 MIG_CMD_POSTCOPY_RAM_DISCARD, /* A list of pages to discard that 100 were previously sent during 101 precopy but are dirty. */ 102 MIG_CMD_PACKAGED, /* Send a wrapped stream within this stream */ 103 MIG_CMD_MAX 104 }; 105 106 #define MAX_VM_CMD_PACKAGED_SIZE (1ul << 24) 107 108 bool qemu_savevm_state_blocked(Error **errp); 109 void qemu_savevm_state_begin(QEMUFile *f, 110 const MigrationParams *params); 111 void qemu_savevm_state_header(QEMUFile *f); 112 int qemu_savevm_state_iterate(QEMUFile *f, bool postcopy); 113 void qemu_savevm_state_cleanup(void); 114 void qemu_savevm_state_complete_postcopy(QEMUFile *f); 115 void qemu_savevm_state_complete_precopy(QEMUFile *f, bool iterable_only); 116 void qemu_savevm_state_pending(QEMUFile *f, uint64_t max_size, 117 uint64_t *res_non_postcopiable, 118 uint64_t *res_postcopiable); 119 void qemu_savevm_command_send(QEMUFile *f, enum qemu_vm_cmd command, 120 uint16_t len, uint8_t *data); 121 void qemu_savevm_send_ping(QEMUFile *f, uint32_t value); 122 void qemu_savevm_send_open_return_path(QEMUFile *f); 123 int qemu_savevm_send_packaged(QEMUFile *f, const uint8_t *buf, size_t len); 124 void qemu_savevm_send_postcopy_advise(QEMUFile *f); 125 void qemu_savevm_send_postcopy_listen(QEMUFile *f); 126 void qemu_savevm_send_postcopy_run(QEMUFile *f); 127 128 void qemu_savevm_send_postcopy_ram_discard(QEMUFile *f, const char *name, 129 uint16_t len, 130 uint64_t *start_list, 131 uint64_t *length_list); 132 133 int qemu_loadvm_state(QEMUFile *f); 134 135 extern int autostart; 136 137 typedef enum { 138 VGA_NONE, VGA_STD, VGA_CIRRUS, VGA_VMWARE, VGA_XENFB, VGA_QXL, 139 VGA_TCX, VGA_CG3, VGA_DEVICE, VGA_VIRTIO, 140 VGA_TYPE_MAX, 141 } VGAInterfaceType; 142 143 extern int vga_interface_type; 144 #define xenfb_enabled (vga_interface_type == VGA_XENFB) 145 146 extern int graphic_width; 147 extern int graphic_height; 148 extern int graphic_depth; 149 extern int display_opengl; 150 extern const char *keyboard_layout; 151 extern int win2k_install_hack; 152 extern int alt_grab; 153 extern int ctrl_grab; 154 extern int smp_cpus; 155 extern int max_cpus; 156 extern int cursor_hide; 157 extern int graphic_rotate; 158 extern int no_quit; 159 extern int no_shutdown; 160 extern int old_param; 161 extern int boot_menu; 162 extern bool boot_strict; 163 extern uint8_t *boot_splash_filedata; 164 extern size_t boot_splash_filedata_size; 165 extern bool enable_mlock; 166 extern uint8_t qemu_extra_params_fw[2]; 167 extern QEMUClockType rtc_clock; 168 extern const char *mem_path; 169 extern int mem_prealloc; 170 171 #define MAX_NODES 128 172 #define NUMA_NODE_UNASSIGNED MAX_NODES 173 174 /* The following shall be true for all CPUs: 175 * cpu->cpu_index < max_cpus <= MAX_CPUMASK_BITS 176 * 177 * Note that cpu->get_arch_id() may be larger than MAX_CPUMASK_BITS. 178 */ 179 #define MAX_CPUMASK_BITS 255 180 181 #define MAX_OPTION_ROMS 16 182 typedef struct QEMUOptionRom { 183 const char *name; 184 int32_t bootindex; 185 } QEMUOptionRom; 186 extern QEMUOptionRom option_rom[MAX_OPTION_ROMS]; 187 extern int nb_option_roms; 188 189 #define MAX_PROM_ENVS 128 190 extern const char *prom_envs[MAX_PROM_ENVS]; 191 extern unsigned int nb_prom_envs; 192 193 /* generic hotplug */ 194 void hmp_drive_add(Monitor *mon, const QDict *qdict); 195 196 /* pcie aer error injection */ 197 void hmp_pcie_aer_inject_error(Monitor *mon, const QDict *qdict); 198 199 /* serial ports */ 200 201 #define MAX_SERIAL_PORTS 4 202 203 extern CharDriverState *serial_hds[MAX_SERIAL_PORTS]; 204 205 /* parallel ports */ 206 207 #define MAX_PARALLEL_PORTS 3 208 209 extern CharDriverState *parallel_hds[MAX_PARALLEL_PORTS]; 210 211 void hmp_usb_add(Monitor *mon, const QDict *qdict); 212 void hmp_usb_del(Monitor *mon, const QDict *qdict); 213 void hmp_info_usb(Monitor *mon, const QDict *qdict); 214 215 void add_boot_device_path(int32_t bootindex, DeviceState *dev, 216 const char *suffix); 217 char *get_boot_devices_list(size_t *size, bool ignore_suffixes); 218 219 DeviceState *get_boot_device(uint32_t position); 220 void check_boot_index(int32_t bootindex, Error **errp); 221 void del_boot_device_path(DeviceState *dev, const char *suffix); 222 void device_add_bootindex_property(Object *obj, int32_t *bootindex, 223 const char *name, const char *suffix, 224 DeviceState *dev, Error **errp); 225 void restore_boot_order(void *opaque); 226 void validate_bootdevices(const char *devices, Error **errp); 227 228 /* handler to set the boot_device order for a specific type of MachineClass */ 229 typedef void QEMUBootSetHandler(void *opaque, const char *boot_order, 230 Error **errp); 231 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque); 232 void qemu_boot_set(const char *boot_order, Error **errp); 233 234 QemuOpts *qemu_get_machine_opts(void); 235 236 bool defaults_enabled(void); 237 238 extern QemuOptsList qemu_legacy_drive_opts; 239 extern QemuOptsList qemu_common_drive_opts; 240 extern QemuOptsList qemu_drive_opts; 241 extern QemuOptsList qemu_chardev_opts; 242 extern QemuOptsList qemu_device_opts; 243 extern QemuOptsList qemu_netdev_opts; 244 extern QemuOptsList qemu_net_opts; 245 extern QemuOptsList qemu_global_opts; 246 extern QemuOptsList qemu_mon_opts; 247 248 #endif 249