softmmu/runstate-hmp-cmds.c

   1 /*
   2  * HMP commands related to run state
   3  *
   4  * Copyright IBM, Corp. 2011
   5  *
   6  * Authors:
   7  *  Anthony Liguori   <aliguori@us.ibm.com>
   8  *
   9  * This work is licensed under the terms of the GNU GPL, version 2.  See
  10  * the COPYING file in the top-level directory.
  11  *
  12  * Contributions after 2012-01-13 are licensed under the terms of the
  13  * GNU GPL, version 2 or (at your option) any later version.
  14  */
  15
  16 #include "qemu/osdep.h"
  17 #include "exec/cpu-common.h"
  18 #include "monitor/hmp.h"
  19 #include "monitor/monitor.h"
  20 #include "qapi/error.h"
  21 #include "qapi/qapi-commands-run-state.h"
  22 #include "qapi/qmp/qdict.h"
  23
  24 void hmp_info_status(Monitor *mon, const QDict *qdict)
  25 {
  26     StatusInfo *info;
  27
  28     info = qmp_query_status(NULL);
  29
  30     monitor_printf(mon, "VM status: %s%s",
  31                    info->running ? "running" : "paused",
  32                    info->singlestep ? " (single step mode)" : "");
  33
  34     if (!info->running && info->status != RUN_STATE_PAUSED) {
  35         monitor_printf(mon, " (%s)", RunState_str(info->status));
  36     }
  37
  38     monitor_printf(mon, "\n");
  39
  40     qapi_free_StatusInfo(info);
  41 }
  42
  43 void hmp_singlestep(Monitor *mon, const QDict *qdict)
  44 {
  45     const char *option = qdict_get_try_str(qdict, "option");
  46     if (!option || !strcmp(option, "on")) {
  47         singlestep = 1;
  48     } else if (!strcmp(option, "off")) {
  49         singlestep = 0;
  50     } else {
  51         monitor_printf(mon, "unexpected option %s\n", option);
  52     }
  53 }
  54
  55 void hmp_watchdog_action(Monitor *mon, const QDict *qdict)
  56 {
  57     Error *err = NULL;
  58     WatchdogAction action;
  59     char *qapi_value;
  60
  61     qapi_value = g_ascii_strdown(qdict_get_str(qdict, "action"), -1);
  62     action = qapi_enum_parse(&WatchdogAction_lookup, qapi_value, -1, &err);
  63     g_free(qapi_value);
  64     if (err) {
  65         hmp_handle_error(mon, err);
  66         return;
  67     }
  68     qmp_watchdog_set_action(action, &error_abort);
  69 }
  70
  71 void watchdog_action_completion(ReadLineState *rs, int nb_args, const char *str)
  72 {
  73     int i;
  74
  75     if (nb_args != 2) {
  76         return;
  77     }
  78     readline_set_completion_index(rs, strlen(str));
  79     for (i = 0; i < WATCHDOG_ACTION__MAX; i++) {
  80         readline_add_completion_of(rs, str, WatchdogAction_str(i));
  81     }
  82 }