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qemu-e2k/include/sysemu/sysemu.h
Dr. David Alan Gilbert 7659505c16 migration: Switch to using announce timer 
Switch the announcements to using the new announce timer.
Move the code that does it to announce.c rather than savevm
because it really has nothing to do with the actual migration.

Migration starts the announce from bh's and so they're all
in the main thread/bql, and so there's never any racing with
the timers themselves.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2019-03-05 11:27:41 +08:00

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#ifndef SYSEMU_H
#define SYSEMU_H
/* Misc. things related to the system emulator. */
#include "qapi/qapi-types-run-state.h"
#include "qemu/queue.h"
#include "qemu/timer.h"
#include "qemu/notify.h"
#include "qemu/main-loop.h"
#include "qemu/bitmap.h"
#include "qemu/uuid.h"
#include "qom/object.h"
/* vl.c */
extern const char *bios_name;
extern const char *qemu_name;
extern QemuUUID qemu_uuid;
extern bool qemu_uuid_set;
bool runstate_check(RunState state);
void runstate_set(RunState new_state);
int runstate_is_running(void);
bool runstate_needs_reset(void);
bool runstate_store(char *str, size_t size);
typedef struct vm_change_state_entry VMChangeStateEntry;
typedef void VMChangeStateHandler(void *opaque, int running, RunState state);
VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
void *opaque);
void qemu_del_vm_change_state_handler(VMChangeStateEntry *e);
void vm_state_notify(int running, RunState state);
static inline bool shutdown_caused_by_guest(ShutdownCause cause)
{
return cause >= SHUTDOWN_CAUSE_GUEST_SHUTDOWN;
}
void vm_start(void);
int vm_prepare_start(void);
int vm_stop(RunState state);
int vm_stop_force_state(RunState state);
int vm_shutdown(void);
typedef enum WakeupReason {
/* Always keep QEMU_WAKEUP_REASON_NONE = 0 */
QEMU_WAKEUP_REASON_NONE = 0,
QEMU_WAKEUP_REASON_RTC,
QEMU_WAKEUP_REASON_PMTIMER,
QEMU_WAKEUP_REASON_OTHER,
} WakeupReason;
void qemu_exit_preconfig_request(void);
void qemu_system_reset_request(ShutdownCause reason);
void qemu_system_suspend_request(void);
void qemu_register_suspend_notifier(Notifier *notifier);
bool qemu_wakeup_suspend_enabled(void);
void qemu_system_wakeup_request(WakeupReason reason, Error **errp);
void qemu_system_wakeup_enable(WakeupReason reason, bool enabled);
void qemu_register_wakeup_notifier(Notifier *notifier);
void qemu_register_wakeup_support(void);
void qemu_system_shutdown_request(ShutdownCause reason);
void qemu_system_powerdown_request(void);
void qemu_register_powerdown_notifier(Notifier *notifier);
void qemu_register_shutdown_notifier(Notifier *notifier);
void qemu_system_debug_request(void);
void qemu_system_vmstop_request(RunState reason);
void qemu_system_vmstop_request_prepare(void);
bool qemu_vmstop_requested(RunState *r);
ShutdownCause qemu_shutdown_requested_get(void);
ShutdownCause qemu_reset_requested_get(void);
void qemu_system_killed(int signal, pid_t pid);
void qemu_system_reset(ShutdownCause reason);
void qemu_system_guest_panicked(GuestPanicInformation *info);
void qemu_add_exit_notifier(Notifier *notify);
void qemu_remove_exit_notifier(Notifier *notify);
extern bool machine_init_done;
void qemu_add_machine_init_done_notifier(Notifier *notify);
void qemu_remove_machine_init_done_notifier(Notifier *notify);
extern int autostart;
typedef enum {
VGA_NONE, VGA_STD, VGA_CIRRUS, VGA_VMWARE, VGA_XENFB, VGA_QXL,
VGA_TCX, VGA_CG3, VGA_DEVICE, VGA_VIRTIO,
VGA_TYPE_MAX,
} VGAInterfaceType;
extern int vga_interface_type;
#define xenfb_enabled (vga_interface_type == VGA_XENFB)
extern int graphic_width;
extern int graphic_height;
extern int graphic_depth;
extern int display_opengl;
extern const char *keyboard_layout;
extern int win2k_install_hack;
extern int alt_grab;
extern int ctrl_grab;
extern int smp_cpus;
extern unsigned int max_cpus;
extern int cursor_hide;
extern int graphic_rotate;
extern int no_quit;
extern int no_shutdown;
extern int old_param;
extern int boot_menu;
extern bool boot_strict;
extern uint8_t *boot_splash_filedata;
extern size_t boot_splash_filedata_size;
extern bool enable_mlock;
extern bool enable_cpu_pm;
extern QEMUClockType rtc_clock;
extern const char *mem_path;
extern int mem_prealloc;
#define MAX_NODES 128
#define NUMA_NODE_UNASSIGNED MAX_NODES
#define NUMA_DISTANCE_MIN 10
#define NUMA_DISTANCE_DEFAULT 20
#define NUMA_DISTANCE_MAX 254
#define NUMA_DISTANCE_UNREACHABLE 255
#define MAX_OPTION_ROMS 16
typedef struct QEMUOptionRom {
const char *name;
int32_t bootindex;
} QEMUOptionRom;
extern QEMUOptionRom option_rom[MAX_OPTION_ROMS];
extern int nb_option_roms;
#define MAX_PROM_ENVS 128
extern const char *prom_envs[MAX_PROM_ENVS];
extern unsigned int nb_prom_envs;
/* generic hotplug */
void hmp_drive_add(Monitor *mon, const QDict *qdict);
/* pcie aer error injection */
void hmp_pcie_aer_inject_error(Monitor *mon, const QDict *qdict);
/* serial ports */
/* Return the Chardev for serial port i, or NULL if none */
Chardev *serial_hd(int i);
/* return the number of serial ports defined by the user. serial_hd(i)
* will always return NULL for any i which is greater than or equal to this.
*/
int serial_max_hds(void);
/* parallel ports */
#define MAX_PARALLEL_PORTS 3
extern Chardev *parallel_hds[MAX_PARALLEL_PORTS];
void hmp_info_usb(Monitor *mon, const QDict *qdict);
void add_boot_device_path(int32_t bootindex, DeviceState *dev,
const char *suffix);
char *get_boot_devices_list(size_t *size);
DeviceState *get_boot_device(uint32_t position);
void check_boot_index(int32_t bootindex, Error **errp);
void del_boot_device_path(DeviceState *dev, const char *suffix);
void device_add_bootindex_property(Object *obj, int32_t *bootindex,
const char *name, const char *suffix,
DeviceState *dev, Error **errp);
void restore_boot_order(void *opaque);
void validate_bootdevices(const char *devices, Error **errp);
/* handler to set the boot_device order for a specific type of MachineClass */
typedef void QEMUBootSetHandler(void *opaque, const char *boot_order,
Error **errp);
void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque);
void qemu_boot_set(const char *boot_order, Error **errp);
QemuOpts *qemu_get_machine_opts(void);
bool defaults_enabled(void);
extern QemuOptsList qemu_legacy_drive_opts;
extern QemuOptsList qemu_common_drive_opts;
extern QemuOptsList qemu_drive_opts;
extern QemuOptsList bdrv_runtime_opts;
extern QemuOptsList qemu_chardev_opts;
extern QemuOptsList qemu_device_opts;
extern QemuOptsList qemu_netdev_opts;
extern QemuOptsList qemu_nic_opts;
extern QemuOptsList qemu_net_opts;
extern QemuOptsList qemu_global_opts;
extern QemuOptsList qemu_mon_opts;
#endif
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