diff options
| -rw-r--r-- | qemu-options.hx | 22 | ||||
| -rw-r--r-- | softmmu/vl.c | 58 |
2 files changed, 78 insertions, 2 deletions
diff --git a/qemu-options.hx b/qemu-options.hx index ae8872d1d6..eb55cd0eea 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -3894,6 +3894,28 @@ SRST changes to the disk image. ERST +DEF("action", HAS_ARG, QEMU_OPTION_action, + "-action reboot=none|shutdown\n" + " action when guest reboots [default=none]\n" + "-action shutdown=poweroff|pause\n" + " action when guest shuts down [default=poweroff]\n" + "-action watchdog=reset|shutdown|poweroff|inject-nmi|pause|debug|none\n" + " action when watchdog fires [default=reset]\n", + QEMU_ARCH_ALL) +SRST +``-action event=action`` + The action parameter serves to modify QEMU's default behavior when + certain guest events occur. It provides a generic method for specifying the + same behaviors that are modified by the ``-no-reboot`` and ``-no-shutdown`` + parameters. + + Examples: + + ``-action reboot=shutdown,shutdown=pause`` + ``-watchdog i6300esb -action watchdog=pause`` + +ERST + DEF("loadvm", HAS_ARG, QEMU_OPTION_loadvm, \ "-loadvm [tag|id]\n" \ " start right away with a saved state (loadvm in monitor)\n", diff --git a/softmmu/vl.c b/softmmu/vl.c index 04d94da843..6d1a7ebb08 100644 --- a/softmmu/vl.c +++ b/softmmu/vl.c @@ -30,6 +30,7 @@ #include "hw/boards.h" #include "hw/qdev-properties.h" #include "qapi/error.h" +#include "qapi/qmp/qdict.h" #include "qemu-version.h" #include "qemu/cutils.h" #include "qemu/help_option.h" @@ -477,6 +478,25 @@ static QemuOptsList qemu_fw_cfg_opts = { }, }; +static QemuOptsList qemu_action_opts = { + .name = "action", + .merge_lists = true, + .head = QTAILQ_HEAD_INITIALIZER(qemu_action_opts.head), + .desc = { + { + .name = "shutdown", + .type = QEMU_OPT_STRING, + },{ + .name = "reboot", + .type = QEMU_OPT_STRING, + },{ + .name = "watchdog", + .type = QEMU_OPT_STRING, + }, + { /* end of list */ } + }, +}; + /** * Get machine options * @@ -2298,6 +2318,26 @@ static void qemu_process_sugar_options(void) } } +/* -action processing */ + +/* + * Process all the -action parameters parsed from cmdline. + */ +static int process_runstate_actions(void *opaque, QemuOpts *opts, Error **errp) +{ + Error *local_err = NULL; + QDict *qdict = qemu_opts_to_qdict(opts, NULL); + QObject *ret = NULL; + qmp_marshal_set_action(qdict, &ret, &local_err); + qobject_unref(ret); + qobject_unref(qdict); + if (local_err) { + error_propagate(errp, local_err); + return 1; + } + return 0; +} + static void qemu_process_early_options(void) { #ifdef CONFIG_SECCOMP @@ -2310,6 +2350,11 @@ static void qemu_process_early_options(void) qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, &error_fatal); + if (qemu_opts_foreach(qemu_find_opts("action"), + process_runstate_actions, NULL, &error_fatal)) { + exit(1); + } + #ifndef _WIN32 qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, &error_fatal); @@ -2560,6 +2605,7 @@ void qemu_init(int argc, char **argv, char **envp) qemu_add_opts(&qemu_icount_opts); qemu_add_opts(&qemu_semihosting_config_opts); qemu_add_opts(&qemu_fw_cfg_opts); + qemu_add_opts(&qemu_action_opts); module_call_init(MODULE_INIT_OPTS); error_init(argv[0]); @@ -3010,6 +3056,12 @@ void qemu_init(int argc, char **argv, char **envp) } watchdog = optarg; break; + case QEMU_OPTION_action: + olist = qemu_find_opts("action"); + if (!qemu_opts_parse_noisily(olist, optarg, false)) { + exit(1); + } + break; case QEMU_OPTION_watchdog_action: if (select_watchdog_action(optarg) == -1) { error_report("unknown -watchdog-action parameter"); @@ -3155,10 +3207,12 @@ void qemu_init(int argc, char **argv, char **envp) qemu_opts_parse_noisily(olist, "hpet=off", false); break; case QEMU_OPTION_no_reboot: - reboot_action = REBOOT_ACTION_SHUTDOWN; + olist = qemu_find_opts("action"); + qemu_opts_parse_noisily(olist, "reboot=shutdown", false); break; case QEMU_OPTION_no_shutdown: - shutdown_action = SHUTDOWN_ACTION_PAUSE; + olist = qemu_find_opts("action"); + qemu_opts_parse_noisily(olist, "shutdown=pause", false); break; case QEMU_OPTION_show_cursor: warn_report("The -show-cursor option is deprecated. Please " |