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envelope-from=steven.sistare@oracle.com; helo=mx0b-00069f02.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Daniel P. Berrange" , "Michael S. Tsirkin" , Jason Zeng , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Juan Quintela , "Dr. David Alan Gilbert" , Eric Blake , Markus Armbruster , Zheng Chuan , Alex Williamson , Steve Sistare , Stefan Hajnoczi , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Paolo Bonzini , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" cpr-save Call qmp_cpr_save(). Arguments: filename : save vmstate to filename mode: must be "reboot" cpr-load Call qmp_cpr_load(). Arguments: filename : load vmstate from filename Signed-off-by: Mark Kanda Signed-off-by: Steve Sistare --- hmp-commands.hx | 31 +++++++++++++++++++++++++++++++ include/monitor/hmp.h | 2 ++ monitor/hmp-cmds.c | 28 ++++++++++++++++++++++++++++ 3 files changed, 61 insertions(+) diff --git a/hmp-commands.hx b/hmp-commands.hx index 70a9136..350c886 100644 --- a/hmp-commands.hx +++ b/hmp-commands.hx @@ -351,6 +351,37 @@ SRST ERST { + .name = "cpr-save", + .args_type = "filename:s,mode:s", + .params = "filename 'reboot'", + .help = "create a checkpoint of the VM in file", + .cmd = hmp_cpr_save, + }, + +SRST +``cpr-save`` *filename* *mode* +Pause the VCPUs, +create a checkpoint of the whole virtual machine, and save it in *filename*. +If *mode* is 'reboot', the checkpoint remains valid after a host kexec +reboot, and guest ram must be backed by persistent shared memory. To +resume from the checkpoint, issue the quit command, reboot the system, +and issue the cpr-load command. +ERST + + { + .name = "cpr-load", + .args_type = "filename:s", + .params = "filename", + .help = "load VM checkpoint from file", + .cmd = hmp_cpr_load, + }, + +SRST +``cpr-load`` *filename* +Load a virtual machine from checkpoint file *filename* and continue VCPUs. +ERST + + { .name = "delvm", .args_type = "name:s", .params = "tag", diff --git a/include/monitor/hmp.h b/include/monitor/hmp.h index 96d0148..b44588e 100644 --- a/include/monitor/hmp.h +++ b/include/monitor/hmp.h @@ -59,6 +59,8 @@ void hmp_balloon(Monitor *mon, const QDict *qdict); void hmp_loadvm(Monitor *mon, const QDict *qdict); void hmp_savevm(Monitor *mon, const QDict *qdict); void hmp_delvm(Monitor *mon, const QDict *qdict); +void hmp_cpr_save(Monitor *mon, const QDict *qdict); +void hmp_cpr_load(Monitor *mon, const QDict *qdict); void hmp_migrate_cancel(Monitor *mon, const QDict *qdict); void hmp_migrate_continue(Monitor *mon, const QDict *qdict); void hmp_migrate_incoming(Monitor *mon, const QDict *qdict); diff --git a/monitor/hmp-cmds.c b/monitor/hmp-cmds.c index 2669156..b8c22da 100644 --- a/monitor/hmp-cmds.c +++ b/monitor/hmp-cmds.c @@ -33,6 +33,7 @@ #include "qapi/qapi-commands-block.h" #include "qapi/qapi-commands-char.h" #include "qapi/qapi-commands-control.h" +#include "qapi/qapi-commands-cpr.h" #include "qapi/qapi-commands-machine.h" #include "qapi/qapi-commands-migration.h" #include "qapi/qapi-commands-misc.h" @@ -1110,6 +1111,33 @@ void hmp_announce_self(Monitor *mon, const QDict *qdict) qapi_free_AnnounceParameters(params); } +void hmp_cpr_save(Monitor *mon, const QDict *qdict) +{ + Error *err = NULL; + const char *mode; + int val; + + mode = qdict_get_try_str(qdict, "mode"); + val = qapi_enum_parse(&CprMode_lookup, mode, -1, &err); + + if (val == -1) { + goto out; + } + + qmp_cpr_save(qdict_get_try_str(qdict, "filename"), val, &err); + +out: + hmp_handle_error(mon, err); +} + +void hmp_cpr_load(Monitor *mon, const QDict *qdict) +{ + Error *err = NULL; + + qmp_cpr_load(qdict_get_try_str(qdict, "filename"), &err); + hmp_handle_error(mon, err); +} + void hmp_migrate_cancel(Monitor *mon, const QDict *qdict) { qmp_migrate_cancel(NULL); -- 1.8.3.1