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[PATCH V1 04/32] savevm: HMP Command for cprsave
From: |
Steve Sistare |
Subject: |
[PATCH V1 04/32] savevm: HMP Command for cprsave |
Date: |
Thu, 30 Jul 2020 08:14:08 -0700 |
Enable HMP access to the cprsave QMP command.
Usage: cprsave <filename> <mode>
Signed-off-by: Maran Wilson <maran.wilson@oracle.com>
Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
---
hmp-commands.hx | 18 ++++++++++++++++++
include/monitor/hmp.h | 1 +
monitor/hmp-cmds.c | 10 ++++++++++
3 files changed, 29 insertions(+)
diff --git a/hmp-commands.hx b/hmp-commands.hx
index 60f395c..c8defd9 100644
--- a/hmp-commands.hx
+++ b/hmp-commands.hx
@@ -354,6 +354,24 @@ SRST
ERST
{
+ .name = "cprsave",
+ .args_type = "file:s,mode:s",
+ .params = "file 'reboot'",
+ .help = "create a checkpoint of the VM in file",
+ .cmd = hmp_cprsave,
+ },
+
+SRST
+``cprsave`` *tag*
+ Stop VCPUs, create a checkpoint of the whole virtual machine and save it
+ in *file*.
+ If *mode* is 'reboot', the checkpoint can be cprload'ed after a host kexec
+ reboot.
+ exec() /usr/bin/qemu-exec if it exists, else exec
/usr/bin/qemu-system-x86_64,
+ passing all the original command line arguments. The VCPUs remain paused.
+ERST
+
+ {
.name = "delvm",
.args_type = "name:s",
.params = "tag",
diff --git a/include/monitor/hmp.h b/include/monitor/hmp.h
index c986cfd..af8ee23 100644
--- a/include/monitor/hmp.h
+++ b/include/monitor/hmp.h
@@ -59,6 +59,7 @@ 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_cprsave(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 ae4b6a4..59196ed 100644
--- a/monitor/hmp-cmds.c
+++ b/monitor/hmp-cmds.c
@@ -1139,6 +1139,16 @@ void hmp_announce_self(Monitor *mon, const QDict *qdict)
qapi_free_AnnounceParameters(params);
}
+void hmp_cprsave(Monitor *mon, const QDict *qdict)
+{
+ Error *err = NULL;
+
+ qmp_cprsave(qdict_get_try_str(qdict, "file"),
+ qdict_get_try_str(qdict, "mode"),
+ &err);
+ hmp_handle_error(mon, err);
+}
+
void hmp_migrate_cancel(Monitor *mon, const QDict *qdict)
{
qmp_migrate_cancel(NULL);
--
1.8.3.1
- [PATCH V1 00/32] Live Update, Steve Sistare, 2020/07/30
- [PATCH V1 07/32] savevm: QMP command for cprinfo, Steve Sistare, 2020/07/30
- [PATCH V1 04/32] savevm: HMP Command for cprsave,
Steve Sistare <=
- [PATCH V1 03/32] savevm: QMP command for cprsave, Steve Sistare, 2020/07/30
- [PATCH V1 10/32] kvmclock: restore paused KVM clock, Steve Sistare, 2020/07/30
- [PATCH V1 01/32] savevm: add vmstate handler iterators, Steve Sistare, 2020/07/30
- [PATCH V1 08/32] savevm: HMP command for cprinfo, Steve Sistare, 2020/07/30
- [PATCH V1 06/32] savevm: HMP Command for cprload, Steve Sistare, 2020/07/30
- [PATCH V1 11/32] cpu: disable ticks when suspended, Steve Sistare, 2020/07/30
- [PATCH V1 12/32] vl: pause option, Steve Sistare, 2020/07/30