LXR qemu/include/sysemu/sysemu.h

   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
  16extern const char *bios_name;
  17extern int only_migratable;
  18extern const char *qemu_name;
  19extern QemuUUID qemu_uuid;
  20extern bool qemu_uuid_set;
  21
  22bool runstate_check(RunState state);
  23void runstate_set(RunState new_state);
  24int runstate_is_running(void);
  25bool runstate_needs_reset(void);
  26bool runstate_store(char *str, size_t size);
  27typedef struct vm_change_state_entry VMChangeStateEntry;
  28typedef void VMChangeStateHandler(void *opaque, int running, RunState state);
  29
  30VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
  31                                                     void *opaque);
  32void qemu_del_vm_change_state_handler(VMChangeStateEntry *e);
  33void vm_state_notify(int running, RunState state);
  34
  35static inline bool shutdown_caused_by_guest(ShutdownCause cause)
  36{
  37    return cause >= SHUTDOWN_CAUSE_GUEST_SHUTDOWN;
  38}
  39
  40void vm_start(void);
  41int vm_prepare_start(void);
  42int vm_stop(RunState state);
  43int vm_stop_force_state(RunState state);
  44int vm_shutdown(void);
  45
  46typedef 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
  54void qemu_exit_preconfig_request(void);
  55void qemu_system_reset_request(ShutdownCause reason);
  56void qemu_system_suspend_request(void);
  57void qemu_register_suspend_notifier(Notifier *notifier);
  58bool qemu_wakeup_suspend_enabled(void);
  59void qemu_system_wakeup_request(WakeupReason reason, Error **errp);
  60void qemu_system_wakeup_enable(WakeupReason reason, bool enabled);
  61void qemu_register_wakeup_notifier(Notifier *notifier);
  62void qemu_register_wakeup_support(void);
  63void qemu_system_shutdown_request(ShutdownCause reason);
  64void qemu_system_powerdown_request(void);
  65void qemu_register_powerdown_notifier(Notifier *notifier);
  66void qemu_register_shutdown_notifier(Notifier *notifier);
  67void qemu_system_debug_request(void);
  68void qemu_system_vmstop_request(RunState reason);
  69void qemu_system_vmstop_request_prepare(void);
  70bool qemu_vmstop_requested(RunState *r);
  71ShutdownCause qemu_shutdown_requested_get(void);
  72ShutdownCause qemu_reset_requested_get(void);
  73void qemu_system_killed(int signal, pid_t pid);
  74void qemu_system_reset(ShutdownCause reason);
  75void qemu_system_guest_panicked(GuestPanicInformation *info);
  76
  77void qemu_add_exit_notifier(Notifier *notify);
  78void qemu_remove_exit_notifier(Notifier *notify);
  79
  80extern bool machine_init_done;
  81
  82void qemu_add_machine_init_done_notifier(Notifier *notify);
  83void qemu_remove_machine_init_done_notifier(Notifier *notify);
  84
  85extern int autostart;
  86
  87typedef enum {
  88    VGA_NONE, VGA_STD, VGA_CIRRUS, VGA_VMWARE, VGA_XENFB, VGA_QXL,
  89    VGA_TCX, VGA_CG3, VGA_DEVICE, VGA_VIRTIO,
  90    VGA_TYPE_MAX,
  91} VGAInterfaceType;
  92
  93extern int vga_interface_type;
  94#define xenfb_enabled (vga_interface_type == VGA_XENFB)
  95
  96extern int graphic_width;
  97extern int graphic_height;
  98extern int graphic_depth;
  99extern int display_opengl;
 100extern const char *keyboard_layout;
 101extern int win2k_install_hack;
 102extern int alt_grab;
 103extern int ctrl_grab;
 104extern int smp_cpus;
 105extern unsigned int max_cpus;
 106extern int cursor_hide;
 107extern int graphic_rotate;
 108extern int no_quit;
 109extern int no_shutdown;
 110extern int old_param;
 111extern int boot_menu;
 112extern bool boot_strict;
 113extern uint8_t *boot_splash_filedata;
 114extern bool enable_mlock;
 115extern bool enable_cpu_pm;
 116extern QEMUClockType rtc_clock;
 117extern const char *mem_path;
 118extern int mem_prealloc;
 119
 120#define MAX_NODES 128
 121#define NUMA_NODE_UNASSIGNED MAX_NODES
 122#define NUMA_DISTANCE_MIN         10
 123#define NUMA_DISTANCE_DEFAULT     20
 124#define NUMA_DISTANCE_MAX         254
 125#define NUMA_DISTANCE_UNREACHABLE 255
 126
 127#define MAX_OPTION_ROMS 16
 128typedef struct QEMUOptionRom {
 129    const char *name;
 130    int32_t bootindex;
 131} QEMUOptionRom;
 132extern QEMUOptionRom option_rom[MAX_OPTION_ROMS];
 133extern int nb_option_roms;
 134
 135#define MAX_PROM_ENVS 128
 136extern const char *prom_envs[MAX_PROM_ENVS];
 137extern unsigned int nb_prom_envs;
 138
 139/* generic hotplug */
 140void hmp_drive_add(Monitor *mon, const QDict *qdict);
 141
 142/* pcie aer error injection */
 143void hmp_pcie_aer_inject_error(Monitor *mon, const QDict *qdict);
 144
 145/* serial ports */
 146
 147/* Return the Chardev for serial port i, or NULL if none */
 148Chardev *serial_hd(int i);
 149/* return the number of serial ports defined by the user. serial_hd(i)
 150 * will always return NULL for any i which is greater than or equal to this.
 151 */
 152int serial_max_hds(void);
 153
 154/* parallel ports */
 155
 156#define MAX_PARALLEL_PORTS 3
 157
 158extern Chardev *parallel_hds[MAX_PARALLEL_PORTS];
 159
 160void hmp_info_usb(Monitor *mon, const QDict *qdict);
 161
 162void add_boot_device_path(int32_t bootindex, DeviceState *dev,
 163                          const char *suffix);
 164char *get_boot_devices_list(size_t *size);
 165
 166DeviceState *get_boot_device(uint32_t position);
 167void check_boot_index(int32_t bootindex, Error **errp);
 168void del_boot_device_path(DeviceState *dev, const char *suffix);
 169void device_add_bootindex_property(Object *obj, int32_t *bootindex,
 170                                   const char *name, const char *suffix,
 171                                   DeviceState *dev, Error **errp);
 172void restore_boot_order(void *opaque);
 173void validate_bootdevices(const char *devices, Error **errp);
 174
 175/* handler to set the boot_device order for a specific type of MachineClass */
 176typedef void QEMUBootSetHandler(void *opaque, const char *boot_order,
 177                                Error **errp);
 178void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque);
 179void qemu_boot_set(const char *boot_order, Error **errp);
 180
 181QemuOpts *qemu_get_machine_opts(void);
 182
 183bool defaults_enabled(void);
 184
 185extern QemuOptsList qemu_legacy_drive_opts;
 186extern QemuOptsList qemu_common_drive_opts;
 187extern QemuOptsList qemu_drive_opts;
 188extern QemuOptsList bdrv_runtime_opts;
 189extern QemuOptsList qemu_chardev_opts;
 190extern QemuOptsList qemu_device_opts;
 191extern QemuOptsList qemu_netdev_opts;
 192extern QemuOptsList qemu_nic_opts;
 193extern QemuOptsList qemu_net_opts;
 194extern QemuOptsList qemu_global_opts;
 195extern QemuOptsList qemu_mon_opts;
 196
 197#endif
 198