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    Subject[PATCH v12 4/8] add a new runstate: RUN_STATE_GUEST_PANICKED
    Date
    The guest will be in this state when it is panicked.

    Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
    Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
    ---
    migration.c | 1 +
    qapi-schema.json | 6 +++++-
    qmp.c | 3 ++-
    vl.c | 11 ++++++++++-
    4 files changed, 18 insertions(+), 3 deletions(-)

    diff --git a/migration.c b/migration.c
    index 31fa300..9122dca 100644
    --- a/migration.c
    +++ b/migration.c
    @@ -345,6 +345,7 @@ void migrate_fd_put_ready(MigrationState *s)
    int64_t start_time, end_time;

    DPRINTF("done iterating\n");
    + save_run_state();
    start_time = qemu_get_clock_ms(rt_clock);
    qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER);
    vm_stop_force_state(RUN_STATE_FINISH_MIGRATE);
    diff --git a/qapi-schema.json b/qapi-schema.json
    index 542e3ac..5fd4ae8 100644
    --- a/qapi-schema.json
    +++ b/qapi-schema.json
    @@ -174,11 +174,15 @@
    # @suspended: guest is suspended (ACPI S3)
    #
    # @watchdog: the watchdog action is configured to pause and has been triggered
    +#
    +# @guest-panicked: the panicked action is configured to pause and has been
    +# triggered.
    ##
    { 'enum': 'RunState',
    'data': [ 'debug', 'inmigrate', 'internal-error', 'io-error', 'paused',
    'postmigrate', 'prelaunch', 'finish-migrate', 'restore-vm',
    - 'running', 'save-vm', 'shutdown', 'suspended', 'watchdog' ] }
    + 'running', 'save-vm', 'shutdown', 'suspended', 'watchdog',
    + 'guest-panicked' ] }

    ##
    # @SnapshotInfo
    diff --git a/qmp.c b/qmp.c
    index bcd7229..2c590e4 100644
    --- a/qmp.c
    +++ b/qmp.c
    @@ -149,7 +149,8 @@ void qmp_cont(Error **errp)
    Error *local_err = NULL;

    if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
    - runstate_check(RUN_STATE_SHUTDOWN)) {
    + runstate_check(RUN_STATE_SHUTDOWN) ||
    + runstate_check(RUN_STATE_GUEST_PANICKED)) {
    error_set(errp, QERR_RESET_REQUIRED);
    return;
    } else if (runstate_check(RUN_STATE_SUSPENDED)) {
    diff --git a/vl.c b/vl.c
    index 69fca16..30d6e58 100644
    --- a/vl.c
    +++ b/vl.c
    @@ -344,6 +344,7 @@ static const RunStateTransition runstate_transitions_def[] = {

    { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
    { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
    + { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },

    { RUN_STATE_INTERNAL_ERROR, RUN_STATE_RUNNING },
    { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
    @@ -357,6 +358,7 @@ static const RunStateTransition runstate_transitions_def[] = {
    { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
    { RUN_STATE_POSTMIGRATE, RUN_STATE_PAUSED },
    { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
    + { RUN_STATE_POSTMIGRATE, RUN_STATE_GUEST_PANICKED },

    { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
    { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
    @@ -367,6 +369,7 @@ static const RunStateTransition runstate_transitions_def[] = {

    { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
    { RUN_STATE_RESTORE_VM, RUN_STATE_PAUSED },
    + { RUN_STATE_RESTORE_VM, RUN_STATE_GUEST_PANICKED },

    { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
    { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
    @@ -377,6 +380,7 @@ static const RunStateTransition runstate_transitions_def[] = {
    { 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_SAVE_VM, RUN_STATE_RUNNING },

    @@ -391,6 +395,10 @@ static const RunStateTransition runstate_transitions_def[] = {
    { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
    { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },

    + { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
    + { RUN_STATE_GUEST_PANICKED, RUN_STATE_PAUSED },
    + { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
    +
    { RUN_STATE_MAX, RUN_STATE_MAX },
    };

    @@ -1769,7 +1777,8 @@ static bool main_loop_should_exit(void)
    qemu_system_reset(VMRESET_REPORT);
    resume_all_vcpus();
    if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
    - runstate_check(RUN_STATE_SHUTDOWN)) {
    + runstate_check(RUN_STATE_SHUTDOWN) ||
    + runstate_check(RUN_STATE_GUEST_PANICKED)) {
    bdrv_iterate(iostatus_bdrv_it, NULL);
    vm_start();
    }
    --
    1.8.0.1.240.ge8a1f5a


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