vl: extract softmmu/runstate.c

Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 1 insertions, 751 deletions

diff --git a/softmmu/vl.c b/softmmu/vl.c
index 3dfac82..6282ae2 100644
--- a/softmmu/vl.c
+++ b/softmmu/vl.c
@@ -112,7 +112,6 @@
 #include "qapi/qapi-commands-block-core.h"
 #include "qapi/qapi-commands-migration.h"
 #include "qapi/qapi-commands-misc.h"
-#include "qapi/qapi-commands-run-state.h"
 #include "qapi/qapi-commands-ui.h"
 #include "qapi/qmp/qerror.h"
 #include "sysemu/iothread.h"
@@ -162,7 +161,7 @@ Chardev *parallel_hds[MAX_PARALLEL_PORTS];
 int win2k_install_hack = 0;
 int singlestep = 0;
 int fd_bootchk = 1;
-static int no_reboot;
+int no_reboot;
 int no_shutdown = 0;
 int graphic_rotate = 0;
 static const char *watchdog;
@@ -189,9 +188,6 @@ static const char *qtest_log;
 QemuUUID qemu_uuid;
 bool qemu_uuid_set;
 
-static NotifierList exit_notifiers =
-    NOTIFIER_LIST_INITIALIZER(exit_notifiers);
-
 uint32_t xen_domid;
 enum xen_mode xen_mode = XEN_EMULATE;
 bool xen_domid_restrict;
@@ -533,12 +529,6 @@ const char *qemu_get_vm_name(void)
     return qemu_name;
 }
 
-static void res_free(void)
-{
-    g_free(boot_splash_filedata);
-    boot_splash_filedata = NULL;
-}
-
 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
 {
     const char *driver = qemu_opt_get(opts, "driver");
@@ -554,206 +544,6 @@ static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
     return 0;
 }
 
-/***********************************************************/
-/* QEMU state */
-
-static RunState current_run_state = RUN_STATE_PRELAUNCH;
-
-/* We use RUN_STATE__MAX but any invalid value will do */
-static RunState vmstop_requested = RUN_STATE__MAX;
-static QemuMutex vmstop_lock;
-
-typedef struct {
-    RunState from;
-    RunState to;
-} RunStateTransition;
-
-static const RunStateTransition runstate_transitions_def[] = {
-    { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
-
-    { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
-    { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
-    { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
-
-    { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
-    { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
-    { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
-    { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
-    { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
-    { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
-    { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
-    { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
-    { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
-    { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
-    { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
-    { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
-
-    { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
-    { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
-    { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
-
-    { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
-    { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
-    { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
-
-    { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
-    { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
-    { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
-    { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
-    { RUN_STATE_PAUSED, RUN_STATE_COLO},
-
-    { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
-    { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
-    { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
-
-    { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
-    { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
-    { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
-
-    { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
-    { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
-    { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
-    { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
-    { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
-
-    { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
-    { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
-
-    { RUN_STATE_COLO, RUN_STATE_RUNNING },
-
-    { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
-    { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
-    { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
-    { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
-    { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
-    { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
-    { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
-    { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
-    { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
-    { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
-    { RUN_STATE_RUNNING, RUN_STATE_COLO},
-
-    { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
-
-    { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
-    { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
-    { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
-    { RUN_STATE_SHUTDOWN, RUN_STATE_COLO },
-
-    { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
-    { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
-    { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
-    { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
-    { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
-    { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
-
-    { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
-    { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
-    { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
-    { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
-
-    { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
-    { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
-    { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
-
-    { RUN_STATE__MAX, RUN_STATE__MAX },
-};
-
-static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
-
-bool runstate_check(RunState state)
-{
-    return current_run_state == state;
-}
-
-bool runstate_store(char *str, size_t size)
-{
-    const char *state = RunState_str(current_run_state);
-    size_t len = strlen(state) + 1;
-
-    if (len > size) {
-        return false;
-    }
-    memcpy(str, state, len);
-    return true;
-}
-
-static void runstate_init(void)
-{
-    const RunStateTransition *p;
-
-    memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
-    for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
-        runstate_valid_transitions[p->from][p->to] = true;
-    }
-
-    qemu_mutex_init(&vmstop_lock);
-}
-
-/* This function will abort() on invalid state transitions */
-void runstate_set(RunState new_state)
-{
-    assert(new_state < RUN_STATE__MAX);
-
-    trace_runstate_set(current_run_state, RunState_str(current_run_state),
-                       new_state, RunState_str(new_state));
-
-    if (current_run_state == new_state) {
-        return;
-    }
-
-    if (!runstate_valid_transitions[current_run_state][new_state]) {
-        error_report("invalid runstate transition: '%s' -> '%s'",
-                     RunState_str(current_run_state),
-                     RunState_str(new_state));
-        abort();
-    }
-
-    current_run_state = new_state;
-}
-
-int runstate_is_running(void)
-{
-    return runstate_check(RUN_STATE_RUNNING);
-}
-
-bool runstate_needs_reset(void)
-{
-    return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
-        runstate_check(RUN_STATE_SHUTDOWN);
-}
-
-StatusInfo *qmp_query_status(Error **errp)
-{
-    StatusInfo *info = g_malloc0(sizeof(*info));
-
-    info->running = runstate_is_running();
-    info->singlestep = singlestep;
-    info->status = current_run_state;
-
-    return info;
-}
-
-bool qemu_vmstop_requested(RunState *r)
-{
-    qemu_mutex_lock(&vmstop_lock);
-    *r = vmstop_requested;
-    vmstop_requested = RUN_STATE__MAX;
-    qemu_mutex_unlock(&vmstop_lock);
-    return *r < RUN_STATE__MAX;
-}
-
-void qemu_system_vmstop_request_prepare(void)
-{
-    qemu_mutex_lock(&vmstop_lock);
-}
-
-void qemu_system_vmstop_request(RunState state)
-{
-    vmstop_requested = state;
-    qemu_mutex_unlock(&vmstop_lock);
-    qemu_notify_event();
-}
 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
 {
     const char *proc_name;
@@ -1070,458 +860,6 @@ static int machine_help_func(QemuOpts *opts, MachineState *machine)
     return 1;
 }
 
-struct VMChangeStateEntry {
-    VMChangeStateHandler *cb;
-    void *opaque;
-    QTAILQ_ENTRY(VMChangeStateEntry) entries;
-    int priority;
-};
-
-static QTAILQ_HEAD(, VMChangeStateEntry) vm_change_state_head =
-    QTAILQ_HEAD_INITIALIZER(vm_change_state_head);
-
-/**
- * qemu_add_vm_change_state_handler_prio:
- * @cb: the callback to invoke
- * @opaque: user data passed to the callback
- * @priority: low priorities execute first when the vm runs and the reverse is
- *            true when the vm stops
- *
- * Register a callback function that is invoked when the vm starts or stops
- * running.
- *
- * Returns: an entry to be freed using qemu_del_vm_change_state_handler()
- */
-VMChangeStateEntry *qemu_add_vm_change_state_handler_prio(
-        VMChangeStateHandler *cb, void *opaque, int priority)
-{
-    VMChangeStateEntry *e;
-    VMChangeStateEntry *other;
-
-    e = g_malloc0(sizeof(*e));
-    e->cb = cb;
-    e->opaque = opaque;
-    e->priority = priority;
-
-    /* Keep list sorted in ascending priority order */
-    QTAILQ_FOREACH(other, &vm_change_state_head, entries) {
-        if (priority < other->priority) {
-            QTAILQ_INSERT_BEFORE(other, e, entries);
-            return e;
-        }
-    }
-
-    QTAILQ_INSERT_TAIL(&vm_change_state_head, e, entries);
-    return e;
-}
-
-VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
-                                                     void *opaque)
-{
-    return qemu_add_vm_change_state_handler_prio(cb, opaque, 0);
-}
-
-void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
-{
-    QTAILQ_REMOVE(&vm_change_state_head, e, entries);
-    g_free(e);
-}
-
-void vm_state_notify(int running, RunState state)
-{
-    VMChangeStateEntry *e, *next;
-
-    trace_vm_state_notify(running, state, RunState_str(state));
-
-    if (running) {
-        QTAILQ_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
-            e->cb(e->opaque, running, state);
-        }
-    } else {
-        QTAILQ_FOREACH_REVERSE_SAFE(e, &vm_change_state_head, entries, next) {
-            e->cb(e->opaque, running, state);
-        }
-    }
-}
-
-static ShutdownCause reset_requested;
-static ShutdownCause shutdown_requested;
-static int shutdown_signal;
-static pid_t shutdown_pid;
-static int powerdown_requested;
-static int debug_requested;
-static int suspend_requested;
-static WakeupReason wakeup_reason;
-static NotifierList powerdown_notifiers =
-    NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
-static NotifierList suspend_notifiers =
-    NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
-static NotifierList wakeup_notifiers =
-    NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
-static NotifierList shutdown_notifiers =
-    NOTIFIER_LIST_INITIALIZER(shutdown_notifiers);
-static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
-
-ShutdownCause qemu_shutdown_requested_get(void)
-{
-    return shutdown_requested;
-}
-
-ShutdownCause qemu_reset_requested_get(void)
-{
-    return reset_requested;
-}
-
-static int qemu_shutdown_requested(void)
-{
-    return qatomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
-}
-
-static void qemu_kill_report(void)
-{
-    if (!qtest_driver() && shutdown_signal) {
-        if (shutdown_pid == 0) {
-            /* This happens for eg ^C at the terminal, so it's worth
-             * avoiding printing an odd message in that case.
-             */
-            error_report("terminating on signal %d", shutdown_signal);
-        } else {
-            char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
-
-            error_report("terminating on signal %d from pid " FMT_pid " (%s)",
-                         shutdown_signal, shutdown_pid,
-                         shutdown_cmd ? shutdown_cmd : "<unknown process>");
-            g_free(shutdown_cmd);
-        }
-        shutdown_signal = 0;
-    }
-}
-
-static ShutdownCause qemu_reset_requested(void)
-{
-    ShutdownCause r = reset_requested;
-
-    if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
-        reset_requested = SHUTDOWN_CAUSE_NONE;
-        return r;
-    }
-    return SHUTDOWN_CAUSE_NONE;
-}
-
-static int qemu_suspend_requested(void)
-{
-    int r = suspend_requested;
-    if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
-        suspend_requested = 0;
-        return r;
-    }
-    return false;
-}
-
-static WakeupReason qemu_wakeup_requested(void)
-{
-    return wakeup_reason;
-}
-
-static int qemu_powerdown_requested(void)
-{
-    int r = powerdown_requested;
-    powerdown_requested = 0;
-    return r;
-}
-
-static int qemu_debug_requested(void)
-{
-    int r = debug_requested;
-    debug_requested = 0;
-    return r;
-}
-
-/*
- * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
- */
-void qemu_system_reset(ShutdownCause reason)
-{
-    MachineClass *mc;
-
-    mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
-
-    cpu_synchronize_all_states();
-
-    if (mc && mc->reset) {
-        mc->reset(current_machine);
-    } else {
-        qemu_devices_reset();
-    }
-    if (reason && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
-        qapi_event_send_reset(shutdown_caused_by_guest(reason), reason);
-    }
-    cpu_synchronize_all_post_reset();
-}
-
-/*
- * Wake the VM after suspend.
- */
-static void qemu_system_wakeup(void)
-{
-    MachineClass *mc;
-
-    mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
-
-    if (mc && mc->wakeup) {
-        mc->wakeup(current_machine);
-    }
-}
-
-void qemu_system_guest_panicked(GuestPanicInformation *info)
-{
-    qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
-
-    if (current_cpu) {
-        current_cpu->crash_occurred = true;
-    }
-    qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
-                                   !!info, info);
-    vm_stop(RUN_STATE_GUEST_PANICKED);
-    if (!no_shutdown) {
-        qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
-                                       !!info, info);
-        qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
-    }
-
-    if (info) {
-        if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
-            qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
-                          " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
-                          info->u.hyper_v.arg1,
-                          info->u.hyper_v.arg2,
-                          info->u.hyper_v.arg3,
-                          info->u.hyper_v.arg4,
-                          info->u.hyper_v.arg5);
-        } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
-            qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
-                          "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
-                          info->u.s390.core,
-                          S390CrashReason_str(info->u.s390.reason),
-                          info->u.s390.psw_mask,
-                          info->u.s390.psw_addr);
-        }
-        qapi_free_GuestPanicInformation(info);
-    }
-}
-
-void qemu_system_guest_crashloaded(GuestPanicInformation *info)
-{
-    qemu_log_mask(LOG_GUEST_ERROR, "Guest crash loaded");
-
-    qapi_event_send_guest_crashloaded(GUEST_PANIC_ACTION_RUN,
-                                   !!info, info);
-
-    if (info) {
-        qapi_free_GuestPanicInformation(info);
-    }
-}
-
-void qemu_system_reset_request(ShutdownCause reason)
-{
-    if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
-        shutdown_requested = reason;
-    } else {
-        reset_requested = reason;
-    }
-    cpu_stop_current();
-    qemu_notify_event();
-}
-
-static void qemu_system_suspend(void)
-{
-    pause_all_vcpus();
-    notifier_list_notify(&suspend_notifiers, NULL);
-    runstate_set(RUN_STATE_SUSPENDED);
-    qapi_event_send_suspend();
-}
-
-void qemu_system_suspend_request(void)
-{
-    if (runstate_check(RUN_STATE_SUSPENDED)) {
-        return;
-    }
-    suspend_requested = 1;
-    cpu_stop_current();
-    qemu_notify_event();
-}
-
-void qemu_register_suspend_notifier(Notifier *notifier)
-{
-    notifier_list_add(&suspend_notifiers, notifier);
-}
-
-void qemu_system_wakeup_request(WakeupReason reason, Error **errp)
-{
-    trace_system_wakeup_request(reason);
-
-    if (!runstate_check(RUN_STATE_SUSPENDED)) {
-        error_setg(errp,
-                   "Unable to wake up: guest is not in suspended state");
-        return;
-    }
-    if (!(wakeup_reason_mask & (1 << reason))) {
-        return;
-    }
-    runstate_set(RUN_STATE_RUNNING);
-    wakeup_reason = reason;
-    qemu_notify_event();
-}
-
-void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
-{
-    if (enabled) {
-        wakeup_reason_mask |= (1 << reason);
-    } else {
-        wakeup_reason_mask &= ~(1 << reason);
-    }
-}
-
-void qemu_register_wakeup_notifier(Notifier *notifier)
-{
-    notifier_list_add(&wakeup_notifiers, notifier);
-}
-
-void qemu_register_wakeup_support(void)
-{
-    wakeup_suspend_enabled = true;
-}
-
-bool qemu_wakeup_suspend_enabled(void)
-{
-    return wakeup_suspend_enabled;
-}
-
-void qemu_system_killed(int signal, pid_t pid)
-{
-    shutdown_signal = signal;
-    shutdown_pid = pid;
-    no_shutdown = 0;
-
-    /* Cannot call qemu_system_shutdown_request directly because
-     * we are in a signal handler.
-     */
-    shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
-    qemu_notify_event();
-}
-
-void qemu_system_shutdown_request(ShutdownCause reason)
-{
-    trace_qemu_system_shutdown_request(reason);
-    replay_shutdown_request(reason);
-    shutdown_requested = reason;
-    qemu_notify_event();
-}
-
-static void qemu_system_powerdown(void)
-{
-    qapi_event_send_powerdown();
-    notifier_list_notify(&powerdown_notifiers, NULL);
-}
-
-static void qemu_system_shutdown(ShutdownCause cause)
-{
-    qapi_event_send_shutdown(shutdown_caused_by_guest(cause), cause);
-    notifier_list_notify(&shutdown_notifiers, &cause);
-}
-
-void qemu_system_powerdown_request(void)
-{
-    trace_qemu_system_powerdown_request();
-    powerdown_requested = 1;
-    qemu_notify_event();
-}
-
-void qemu_register_powerdown_notifier(Notifier *notifier)
-{
-    notifier_list_add(&powerdown_notifiers, notifier);
-}
-
-void qemu_register_shutdown_notifier(Notifier *notifier)
-{
-    notifier_list_add(&shutdown_notifiers, notifier);
-}
-
-void qemu_system_debug_request(void)
-{
-    debug_requested = 1;
-    qemu_notify_event();
-}
-
-static bool main_loop_should_exit(void)
-{
-    RunState r;
-    ShutdownCause request;
-
-    if (qemu_debug_requested()) {
-        vm_stop(RUN_STATE_DEBUG);
-    }
-    if (qemu_suspend_requested()) {
-        qemu_system_suspend();
-    }
-    request = qemu_shutdown_requested();
-    if (request) {
-        qemu_kill_report();
-        qemu_system_shutdown(request);
-        if (no_shutdown) {
-            vm_stop(RUN_STATE_SHUTDOWN);
-        } else {
-            return true;
-        }
-    }
-    request = qemu_reset_requested();
-    if (request) {
-        pause_all_vcpus();
-        qemu_system_reset(request);
-        resume_all_vcpus();
-        /*
-         * runstate can change in pause_all_vcpus()
-         * as iothread mutex is unlocked
-         */
-        if (!runstate_check(RUN_STATE_RUNNING) &&
-                !runstate_check(RUN_STATE_INMIGRATE) &&
-                !runstate_check(RUN_STATE_FINISH_MIGRATE)) {
-            runstate_set(RUN_STATE_PRELAUNCH);
-        }
-    }
-    if (qemu_wakeup_requested()) {
-        pause_all_vcpus();
-        qemu_system_wakeup();
-        notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
-        wakeup_reason = QEMU_WAKEUP_REASON_NONE;
-        resume_all_vcpus();
-        qapi_event_send_wakeup();
-    }
-    if (qemu_powerdown_requested()) {
-        qemu_system_powerdown();
-    }
-    if (qemu_vmstop_requested(&r)) {
-        vm_stop(r);
-    }
-    return false;
-}
-
-void qemu_main_loop(void)
-{
-#ifdef CONFIG_PROFILER
-    int64_t ti;
-#endif
-    while (!main_loop_should_exit()) {
-#ifdef CONFIG_PROFILER
-        ti = profile_getclock();
-#endif
-        main_loop_wait(false);
-#ifdef CONFIG_PROFILER
-        dev_time += profile_getclock() - ti;
-#endif
-    }
-}
-
 static void version(void)
 {
     printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
@@ -2241,21 +1579,6 @@ static MachineClass *machine_parse(const char *name, GSList *machines)
     return mc;
 }
 
-void qemu_add_exit_notifier(Notifier *notify)
-{
-    notifier_list_add(&exit_notifiers, notify);
-}
-
-void qemu_remove_exit_notifier(Notifier *notify)
-{
-    notifier_remove(notify);
-}
-
-static void qemu_run_exit_notifiers(void)
-{
-    notifier_list_notify(&exit_notifiers, NULL);
-}
-
 static const char *pid_file;
 static Notifier qemu_unlink_pidfile_notifier;
 
@@ -3101,39 +2424,6 @@ static void qemu_maybe_daemonize(const char *pid_file)
     qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier);
 }
 
-static void qemu_init_subsystems(void)
-{
-    Error *err;
-
-    os_set_line_buffering();
-
-    module_call_init(MODULE_INIT_TRACE);
-
-    qemu_init_cpu_list();
-    qemu_init_cpu_loop();
-    qemu_mutex_lock_iothread();
-
-    atexit(qemu_run_exit_notifiers);
-
-    module_call_init(MODULE_INIT_QOM);
-    module_call_init(MODULE_INIT_MIGRATION);
-
-    runstate_init();
-    precopy_infrastructure_init();
-    postcopy_infrastructure_init();
-    monitor_init_globals();
-
-    if (qcrypto_init(&err) < 0) {
-        error_reportf_err(err, "cannot initialize crypto: ");
-        exit(1);
-    }
-
-    os_setup_early_signal_handling();
-
-    bdrv_init_with_whitelist();
-    socket_init();
-}
-
 static void qemu_init_displays(void)
 {
     DisplayState *ds;
@@ -4310,43 +3600,3 @@ void qemu_init(int argc, char **argv, char **envp)
     accel_setup_post(current_machine);
     os_setup_post();
 }
-
-void qemu_cleanup(void)
-{
-    gdbserver_cleanup();
-
-    /*
-     * cleaning up the migration object cancels any existing migration
-     * try to do this early so that it also stops using devices.
-     */
-    migration_shutdown();
-
-    /*
-     * We must cancel all block jobs while the block layer is drained,
-     * or cancelling will be affected by throttling and thus may block
-     * for an extended period of time.
-     * vm_shutdown() will bdrv_drain_all(), so we may as well include
-     * it in the drained section.
-     * We do not need to end this section, because we do not want any
-     * requests happening from here on anyway.
-     */
-    bdrv_drain_all_begin();
-
-    /* No more vcpu or device emulation activity beyond this point */
-    vm_shutdown();
-    replay_finish();
-
-    job_cancel_sync_all();
-    bdrv_close_all();
-
-    res_free();
-
-    /* vhost-user must be cleaned up before chardevs.  */
-    tpm_cleanup();
-    net_cleanup();
-    audio_cleanup();
-    monitor_cleanup();
-    qemu_chr_cleanup();
-    user_creatable_cleanup();
-    /* TODO: unref root container, check all devices are ok */
-}