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https://github.com/xemu-project/xemu.git
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e1c37d0e94
The migrate command is one of those commands where HMP and QMP completely mix up together. This made the conversion to the QAPI (which separates the command into QMP and HMP parts) a bit difficult. The first important change to be noticed is that this commit completes the removal of the Monitor object from migration code, started by the previous commit. Another important and tricky change is about supporting the non-detached mode. That is, if the user doesn't pass '-d' the migrate command will lock the monitor and will only release it when migration is finished. To support this in the new HMP command (hmp_migrate()), it is necessary to create a timer which runs every second and checks if the migration is still active. If it is, the timer callback will re-schedule itself to run one second in the future. If the migration has already finished, the monitor lock is released and the user can use it normally. All these changes should be transparent to the user. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
190 lines
5.5 KiB
C
190 lines
5.5 KiB
C
#ifndef SYSEMU_H
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#define SYSEMU_H
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/* Misc. things related to the system emulator. */
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#include "qemu-common.h"
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#include "qemu-option.h"
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#include "qemu-queue.h"
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#include "qemu-timer.h"
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#include "qapi-types.h"
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#include "notify.h"
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#include "main-loop.h"
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/* vl.c */
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extern const char *bios_name;
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extern const char *qemu_name;
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extern uint8_t qemu_uuid[];
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int qemu_uuid_parse(const char *str, uint8_t *uuid);
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#define UUID_FMT "%02hhx%02hhx%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx"
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void runstate_init(void);
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bool runstate_check(RunState state);
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void runstate_set(RunState new_state);
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int runstate_is_running(void);
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typedef struct vm_change_state_entry VMChangeStateEntry;
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typedef void VMChangeStateHandler(void *opaque, int running, RunState state);
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VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
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void *opaque);
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void qemu_del_vm_change_state_handler(VMChangeStateEntry *e);
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void vm_state_notify(int running, RunState state);
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#define VMRESET_SILENT false
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#define VMRESET_REPORT true
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void vm_start(void);
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void vm_stop(RunState state);
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void vm_stop_force_state(RunState state);
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typedef enum WakeupReason {
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QEMU_WAKEUP_REASON_OTHER = 0,
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QEMU_WAKEUP_REASON_RTC,
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QEMU_WAKEUP_REASON_PMTIMER,
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} WakeupReason;
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void qemu_system_reset_request(void);
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void qemu_system_suspend_request(void);
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void qemu_register_suspend_notifier(Notifier *notifier);
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void qemu_system_wakeup_request(WakeupReason reason);
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void qemu_system_wakeup_enable(WakeupReason reason, bool enabled);
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void qemu_register_wakeup_notifier(Notifier *notifier);
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void qemu_system_shutdown_request(void);
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void qemu_system_powerdown_request(void);
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void qemu_system_debug_request(void);
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void qemu_system_vmstop_request(RunState reason);
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int qemu_shutdown_requested_get(void);
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int qemu_reset_requested_get(void);
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int qemu_shutdown_requested(void);
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int qemu_reset_requested(void);
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int qemu_powerdown_requested(void);
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void qemu_system_killed(int signal, pid_t pid);
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void qemu_kill_report(void);
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extern qemu_irq qemu_system_powerdown;
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void qemu_system_reset(bool report);
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void qemu_add_exit_notifier(Notifier *notify);
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void qemu_remove_exit_notifier(Notifier *notify);
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void qemu_add_machine_init_done_notifier(Notifier *notify);
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void do_savevm(Monitor *mon, const QDict *qdict);
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int load_vmstate(const char *name);
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void do_delvm(Monitor *mon, const QDict *qdict);
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void do_info_snapshots(Monitor *mon);
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void qemu_announce_self(void);
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bool qemu_savevm_state_blocked(Error **errp);
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int qemu_savevm_state_begin(QEMUFile *f, int blk_enable, int shared);
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int qemu_savevm_state_iterate(QEMUFile *f);
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int qemu_savevm_state_complete(QEMUFile *f);
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void qemu_savevm_state_cancel(QEMUFile *f);
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int qemu_loadvm_state(QEMUFile *f);
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/* SLIRP */
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void do_info_slirp(Monitor *mon);
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typedef enum DisplayType
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{
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DT_DEFAULT,
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DT_CURSES,
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DT_SDL,
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DT_NOGRAPHIC,
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DT_NONE,
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} DisplayType;
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extern int autostart;
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extern int bios_size;
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typedef enum {
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VGA_NONE, VGA_STD, VGA_CIRRUS, VGA_VMWARE, VGA_XENFB, VGA_QXL,
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} VGAInterfaceType;
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extern int vga_interface_type;
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#define cirrus_vga_enabled (vga_interface_type == VGA_CIRRUS)
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#define std_vga_enabled (vga_interface_type == VGA_STD)
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#define xenfb_enabled (vga_interface_type == VGA_XENFB)
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#define vmsvga_enabled (vga_interface_type == VGA_VMWARE)
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#define qxl_enabled (vga_interface_type == VGA_QXL)
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extern int graphic_width;
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extern int graphic_height;
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extern int graphic_depth;
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extern DisplayType display_type;
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extern const char *keyboard_layout;
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extern int win2k_install_hack;
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extern int alt_grab;
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extern int ctrl_grab;
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extern int usb_enabled;
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extern int smp_cpus;
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extern int max_cpus;
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extern int cursor_hide;
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extern int graphic_rotate;
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extern int no_quit;
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extern int no_shutdown;
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extern int semihosting_enabled;
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extern int old_param;
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extern int boot_menu;
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extern uint8_t *boot_splash_filedata;
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extern int boot_splash_filedata_size;
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extern uint8_t qemu_extra_params_fw[2];
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extern QEMUClock *rtc_clock;
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#define MAX_NODES 64
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extern int nb_numa_nodes;
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extern uint64_t node_mem[MAX_NODES];
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extern uint64_t node_cpumask[MAX_NODES];
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#define MAX_OPTION_ROMS 16
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typedef struct QEMUOptionRom {
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const char *name;
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int32_t bootindex;
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} QEMUOptionRom;
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extern QEMUOptionRom option_rom[MAX_OPTION_ROMS];
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extern int nb_option_roms;
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#define MAX_PROM_ENVS 128
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extern const char *prom_envs[MAX_PROM_ENVS];
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extern unsigned int nb_prom_envs;
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/* pci-hotplug */
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void pci_device_hot_add(Monitor *mon, const QDict *qdict);
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int pci_drive_hot_add(Monitor *mon, const QDict *qdict,
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DriveInfo *dinfo, int type);
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void do_pci_device_hot_remove(Monitor *mon, const QDict *qdict);
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/* generic hotplug */
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void drive_hot_add(Monitor *mon, const QDict *qdict);
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/* pcie aer error injection */
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void pcie_aer_inject_error_print(Monitor *mon, const QObject *data);
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int do_pcie_aer_inject_error(Monitor *mon,
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const QDict *qdict, QObject **ret_data);
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/* serial ports */
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#define MAX_SERIAL_PORTS 4
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extern CharDriverState *serial_hds[MAX_SERIAL_PORTS];
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/* parallel ports */
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#define MAX_PARALLEL_PORTS 3
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extern CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
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void do_usb_add(Monitor *mon, const QDict *qdict);
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void do_usb_del(Monitor *mon, const QDict *qdict);
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void usb_info(Monitor *mon);
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void rtc_change_mon_event(struct tm *tm);
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void register_devices(void);
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void add_boot_device_path(int32_t bootindex, DeviceState *dev,
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const char *suffix);
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char *get_boot_devices_list(uint32_t *size);
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#endif
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