35ecd943e7
During the postcopy phase we must not call the iterate method on precopy-only devices, since they may have done some cleanup during the _complete call at the end of the precopy phase. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
259 lines
8.5 KiB
C
259 lines
8.5 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/typedefs.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 "qemu/notify.h"
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#include "qemu/main-loop.h"
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#include "qemu/bitmap.h"
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#include "qom/object.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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extern bool qemu_uuid_set;
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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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#define UUID_NONE "00000000-0000-0000-0000-000000000000"
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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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bool runstate_needs_reset(void);
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bool runstate_store(char *str, size_t size);
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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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int vm_stop(RunState state);
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int vm_stop_force_state(RunState state);
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typedef enum WakeupReason {
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/* Always keep QEMU_WAKEUP_REASON_NONE = 0 */
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QEMU_WAKEUP_REASON_NONE = 0,
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QEMU_WAKEUP_REASON_RTC,
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QEMU_WAKEUP_REASON_PMTIMER,
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QEMU_WAKEUP_REASON_OTHER,
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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_register_powerdown_notifier(Notifier *notifier);
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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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void qemu_system_vmstop_request_prepare(void);
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int qemu_shutdown_requested_get(void);
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int qemu_reset_requested_get(void);
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void qemu_system_killed(int signal, pid_t pid);
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void qemu_devices_reset(void);
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void qemu_system_reset(bool report);
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void qemu_system_guest_panicked(void);
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size_t qemu_target_page_bits(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 hmp_savevm(Monitor *mon, const QDict *qdict);
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int load_vmstate(const char *name);
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void hmp_delvm(Monitor *mon, const QDict *qdict);
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void hmp_info_snapshots(Monitor *mon, const QDict *qdict);
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void qemu_announce_self(void);
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/* Subcommands for QEMU_VM_COMMAND */
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enum qemu_vm_cmd {
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MIG_CMD_INVALID = 0, /* Must be 0 */
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MIG_CMD_OPEN_RETURN_PATH, /* Tell the dest to open the Return path */
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MIG_CMD_PING, /* Request a PONG on the RP */
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MIG_CMD_POSTCOPY_ADVISE, /* Prior to any page transfers, just
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warn we might want to do PC */
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MIG_CMD_POSTCOPY_LISTEN, /* Start listening for incoming
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pages as it's running. */
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MIG_CMD_POSTCOPY_RUN, /* Start execution */
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MIG_CMD_POSTCOPY_RAM_DISCARD, /* A list of pages to discard that
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were previously sent during
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precopy but are dirty. */
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MIG_CMD_PACKAGED, /* Send a wrapped stream within this stream */
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MIG_CMD_MAX
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};
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#define MAX_VM_CMD_PACKAGED_SIZE (1ul << 24)
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bool qemu_savevm_state_blocked(Error **errp);
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void qemu_savevm_state_begin(QEMUFile *f,
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const MigrationParams *params);
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void qemu_savevm_state_header(QEMUFile *f);
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int qemu_savevm_state_iterate(QEMUFile *f, bool postcopy);
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void qemu_savevm_state_cleanup(void);
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void qemu_savevm_state_complete_postcopy(QEMUFile *f);
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void qemu_savevm_state_complete_precopy(QEMUFile *f);
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void qemu_savevm_state_pending(QEMUFile *f, uint64_t max_size,
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uint64_t *res_non_postcopiable,
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uint64_t *res_postcopiable);
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void qemu_savevm_command_send(QEMUFile *f, enum qemu_vm_cmd command,
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uint16_t len, uint8_t *data);
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void qemu_savevm_send_ping(QEMUFile *f, uint32_t value);
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void qemu_savevm_send_open_return_path(QEMUFile *f);
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int qemu_savevm_send_packaged(QEMUFile *f, const QEMUSizedBuffer *qsb);
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void qemu_savevm_send_postcopy_advise(QEMUFile *f);
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void qemu_savevm_send_postcopy_listen(QEMUFile *f);
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void qemu_savevm_send_postcopy_run(QEMUFile *f);
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void qemu_savevm_send_postcopy_ram_discard(QEMUFile *f, const char *name,
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uint16_t len,
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uint64_t *start_list,
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uint64_t *length_list);
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int qemu_loadvm_state(QEMUFile *f);
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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_GTK,
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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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typedef enum {
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VGA_NONE, VGA_STD, VGA_CIRRUS, VGA_VMWARE, VGA_XENFB, VGA_QXL,
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VGA_TCX, VGA_CG3, VGA_DEVICE, VGA_VIRTIO,
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} VGAInterfaceType;
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extern int vga_interface_type;
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#define xenfb_enabled (vga_interface_type == VGA_XENFB)
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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 int display_opengl;
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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 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 old_param;
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extern int boot_menu;
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extern bool boot_strict;
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extern uint8_t *boot_splash_filedata;
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extern size_t boot_splash_filedata_size;
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extern uint8_t qemu_extra_params_fw[2];
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extern QEMUClockType rtc_clock;
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extern const char *mem_path;
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extern int mem_prealloc;
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#define MAX_NODES 128
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#define NUMA_NODE_UNASSIGNED MAX_NODES
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/* The following shall be true for all CPUs:
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* cpu->cpu_index < max_cpus <= MAX_CPUMASK_BITS
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*
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* Note that cpu->get_arch_id() may be larger than MAX_CPUMASK_BITS.
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*/
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#define MAX_CPUMASK_BITS 255
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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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/* generic hotplug */
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void hmp_drive_add(Monitor *mon, const QDict *qdict);
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/* pcie aer error injection */
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void hmp_pcie_aer_inject_error(Monitor *mon, const QDict *qdict);
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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 hmp_usb_add(Monitor *mon, const QDict *qdict);
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void hmp_usb_del(Monitor *mon, const QDict *qdict);
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void hmp_info_usb(Monitor *mon, const QDict *qdict);
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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(size_t *size, bool ignore_suffixes);
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DeviceState *get_boot_device(uint32_t position);
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void check_boot_index(int32_t bootindex, Error **errp);
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void del_boot_device_path(DeviceState *dev, const char *suffix);
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void device_add_bootindex_property(Object *obj, int32_t *bootindex,
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const char *name, const char *suffix,
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DeviceState *dev, Error **errp);
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void restore_boot_order(void *opaque);
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void validate_bootdevices(const char *devices, Error **errp);
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/* handler to set the boot_device order for a specific type of MachineClass */
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typedef void QEMUBootSetHandler(void *opaque, const char *boot_order,
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Error **errp);
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void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque);
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void qemu_boot_set(const char *boot_order, Error **errp);
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QemuOpts *qemu_get_machine_opts(void);
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bool defaults_enabled(void);
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bool usb_enabled(void);
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extern QemuOptsList qemu_legacy_drive_opts;
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extern QemuOptsList qemu_common_drive_opts;
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extern QemuOptsList qemu_drive_opts;
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extern QemuOptsList qemu_chardev_opts;
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extern QemuOptsList qemu_device_opts;
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extern QemuOptsList qemu_netdev_opts;
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extern QemuOptsList qemu_net_opts;
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extern QemuOptsList qemu_global_opts;
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extern QemuOptsList qemu_mon_opts;
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#endif
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