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add a new runstate: RUN_STATE_GUEST_PANICKED 

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>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-id: 0255f263ffdc2a3716f73e89098b96fd79a235b3.1366945969.git.hutao@cn.fujitsu.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Hu Tao 2013-04-26 11:24:40 +08:00 committed by Anthony Liguori
parent cffc5113a4
commit ede085b3fe
4 changed files with 17 additions and 5 deletions
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1
include/sysemu/sysemu.h
View File

@ -22,6 +22,7 @@ int qemu_uuid_parse(const char *str, uint8_t *uuid);
bool runstate_check(RunState state);
void runstate_set(RunState new_state);
int runstate_is_running(void);
bool runstate_needs_reset(void);
typedef struct vm_change_state_entry VMChangeStateEntry;
typedef void VMChangeStateHandler(void *opaque, int running, RunState state);

5
qapi-schema.json
View File

@ -174,11 +174,14 @@
# @suspended: guest is suspended (ACPI S3)
#
# @watchdog: the watchdog action is configured to pause and has been triggered
#
# @guest-panicked: guest has been panicked as a result of guest OS panic
##
{ '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

3
qmp.c
View File

@ -149,8 +149,7 @@ void qmp_cont(Error **errp)
{
Error *local_err = NULL;
if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
runstate_check(RUN_STATE_SHUTDOWN)) {
if (runstate_needs_reset()) {
error_set(errp, QERR_RESET_REQUIRED);
return;
} else if (runstate_check(RUN_STATE_SUSPENDED)) {

13
vl.c
View File

@ -594,6 +594,7 @@ 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 },
@ -608,6 +609,8 @@ 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_PAUSED },
{ RUN_STATE_MAX, RUN_STATE_MAX },
};
@ -649,6 +652,13 @@ 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) ||
runstate_check(RUN_STATE_GUEST_PANICKED);
}
StatusInfo *qmp_query_status(Error **errp)
{
StatusInfo *info = g_malloc0(sizeof(*info));
@ -1984,8 +1994,7 @@ static bool main_loop_should_exit(void)
cpu_synchronize_all_states();
qemu_system_reset(VMRESET_REPORT);
resume_all_vcpus();
if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
runstate_check(RUN_STATE_SHUTDOWN)) {
if (runstate_needs_reset()) {
runstate_set(RUN_STATE_PAUSED);
}
}