dc9121210e
The no_migrate save state flag is currently only checked in the last phase of migration. This means that we potentially waste a lot of time and bandwidth with the live state handlers before we ever check the no_migrate flags. The error message printed when we catch a non-migratable device doesn't get printed for a detached migration. And, no_migrate does nothing to prevent an incoming migration to a target that includes a non-migratable device. This attempts to fix all of these. One notable difference in behavior is that an outgoing migration now checks for non-migratable devices before ever connecting to the target system. This means the target will remain listening rather than exit from failure. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
208 lines
5.5 KiB
C
208 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 "notify.h"
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#ifdef _WIN32
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#include <windows.h>
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#include "qemu-os-win32.h"
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#endif
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#ifdef CONFIG_POSIX
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#include "qemu-os-posix.h"
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#endif
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/* vl.c */
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extern const char *bios_name;
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#define QEMU_FILE_TYPE_BIOS 0
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#define QEMU_FILE_TYPE_KEYMAP 1
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char *qemu_find_file(int type, const char *name);
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extern int vm_running;
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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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typedef struct vm_change_state_entry VMChangeStateEntry;
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typedef void VMChangeStateHandler(void *opaque, int running, int reason);
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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_start(void);
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void vm_stop(int reason);
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uint64_t ram_bytes_remaining(void);
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uint64_t ram_bytes_transferred(void);
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uint64_t ram_bytes_total(void);
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int64_t cpu_get_ticks(void);
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void cpu_enable_ticks(void);
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void cpu_disable_ticks(void);
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void qemu_system_reset_request(void);
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void qemu_system_shutdown_request(void);
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void qemu_system_powerdown_request(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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extern qemu_irq qemu_system_powerdown;
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void qemu_system_reset(void);
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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 cpu_synchronize_all_states(void);
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void cpu_synchronize_all_post_reset(void);
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void cpu_synchronize_all_post_init(void);
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void qemu_announce_self(void);
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void main_loop_wait(int nonblocking);
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bool qemu_savevm_state_blocked(Monitor *mon);
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int qemu_savevm_state_begin(Monitor *mon, QEMUFile *f, int blk_enable,
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int shared);
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int qemu_savevm_state_iterate(Monitor *mon, QEMUFile *f);
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int qemu_savevm_state_complete(Monitor *mon, QEMUFile *f);
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void qemu_savevm_state_cancel(Monitor *mon, 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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/* OS specific functions */
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void os_setup_early_signal_handling(void);
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char *os_find_datadir(const char *argv0);
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void os_parse_cmd_args(int index, const char *optarg);
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void os_pidfile_error(void);
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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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} DisplayType;
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extern int autostart;
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extern int incoming_expected;
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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 uint8_t irq0override;
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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 rtc_td_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 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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void drive_hot_add(Monitor *mon, const QDict *qdict);
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void do_pci_device_hot_remove(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_inejct_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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#define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR)
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#ifdef HAS_AUDIO
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struct soundhw {
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const char *name;
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const char *descr;
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int enabled;
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int isa;
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union {
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int (*init_isa) (qemu_irq *pic);
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int (*init_pci) (PCIBus *bus);
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} init;
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};
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extern struct soundhw soundhw[];
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#endif
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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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