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[Qemu-devel] [RFC 16/29] qmp: hmp: add migrate "resume" option
From: |
Peter Xu |
Subject: |
[Qemu-devel] [RFC 16/29] qmp: hmp: add migrate "resume" option |
Date: |
Fri, 28 Jul 2017 16:06:25 +0800 |
It will be used when we want to resume one paused migration.
Signed-off-by: Peter Xu <address@hidden>
---
hmp-commands.hx | 7 ++++---
hmp.c | 4 +++-
migration/migration.c | 2 +-
qapi-schema.json | 5 ++++-
4 files changed, 12 insertions(+), 6 deletions(-)
diff --git a/hmp-commands.hx b/hmp-commands.hx
index 1941e19..7adb029 100644
--- a/hmp-commands.hx
+++ b/hmp-commands.hx
@@ -928,13 +928,14 @@ ETEXI
{
.name = "migrate",
- .args_type = "detach:-d,blk:-b,inc:-i,uri:s",
- .params = "[-d] [-b] [-i] uri",
+ .args_type = "detach:-d,blk:-b,inc:-i,resume:-r,uri:s",
+ .params = "[-d] [-b] [-i] [-r] uri",
.help = "migrate to URI (using -d to not wait for completion)"
"\n\t\t\t -b for migration without shared storage with"
" full copy of disk\n\t\t\t -i for migration without "
"shared storage with incremental copy of disk "
- "(base image shared between src and destination)",
+ "(base image shared between src and destination)"
+ "\n\t\t\t -r to resume a paused migration",
.cmd = hmp_migrate,
},
diff --git a/hmp.c b/hmp.c
index fd80dce..ebc1563 100644
--- a/hmp.c
+++ b/hmp.c
@@ -1891,10 +1891,12 @@ void hmp_migrate(Monitor *mon, const QDict *qdict)
bool detach = qdict_get_try_bool(qdict, "detach", false);
bool blk = qdict_get_try_bool(qdict, "blk", false);
bool inc = qdict_get_try_bool(qdict, "inc", false);
+ bool resume = qdict_get_try_bool(qdict, "resume", false);
const char *uri = qdict_get_str(qdict, "uri");
Error *err = NULL;
- qmp_migrate(uri, !!blk, blk, !!inc, inc, false, false, &err);
+ qmp_migrate(uri, !!blk, blk, !!inc, inc,
+ false, false, true, resume, &err);
if (err) {
error_report_err(err);
return;
diff --git a/migration/migration.c b/migration/migration.c
index 9d93836..36ff8c3 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -1238,7 +1238,7 @@ bool migration_is_blocked(Error **errp)
void qmp_migrate(const char *uri, bool has_blk, bool blk,
bool has_inc, bool inc, bool has_detach, bool detach,
- Error **errp)
+ bool has_resume, bool resume, Error **errp)
{
Error *local_err = NULL;
MigrationState *s = migrate_get_current();
diff --git a/qapi-schema.json b/qapi-schema.json
index 2a36b80..27b7c4c 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -3208,6 +3208,8 @@
# @detach: this argument exists only for compatibility reasons and
# is ignored by QEMU
#
+# @resume: resume one paused migration
+#
# Returns: nothing on success
#
# Since: 0.14.0
@@ -3229,7 +3231,8 @@
#
##
{ 'command': 'migrate',
- 'data': {'uri': 'str', '*blk': 'bool', '*inc': 'bool', '*detach': 'bool' } }
+ 'data': {'uri': 'str', '*blk': 'bool', '*inc': 'bool',
+ '*detach': 'bool', '*resume': 'bool' } }
##
# @migrate-incoming:
--
2.7.4
- [Qemu-devel] [RFC 07/29] migration: better error handling with QEMUFile, (continued)
- [Qemu-devel] [RFC 07/29] migration: better error handling with QEMUFile, Peter Xu, 2017/07/28
- [Qemu-devel] [RFC 09/29] migration: provide postcopy_fault_thread_notify(), Peter Xu, 2017/07/28
- [Qemu-devel] [RFC 10/29] migration: new property "x-postcopy-fast", Peter Xu, 2017/07/28
- [Qemu-devel] [RFC 11/29] migration: new postcopy-pause state, Peter Xu, 2017/07/28
- [Qemu-devel] [RFC 12/29] migration: allow dst vm pause on postcopy, Peter Xu, 2017/07/28
- [Qemu-devel] [RFC 13/29] migration: allow src return path to pause, Peter Xu, 2017/07/28
- [Qemu-devel] [RFC 14/29] migration: allow send_rq to fail, Peter Xu, 2017/07/28
- [Qemu-devel] [RFC 15/29] migration: allow fault thread to pause, Peter Xu, 2017/07/28
- [Qemu-devel] [RFC 16/29] qmp: hmp: add migrate "resume" option,
Peter Xu <=
- [Qemu-devel] [RFC 17/29] migration: rebuild channel on source, Peter Xu, 2017/07/28
- [Qemu-devel] [RFC 19/29] migration: let dst listen on port always, Peter Xu, 2017/07/28
- [Qemu-devel] [RFC 18/29] migration: new state "postcopy-recover", Peter Xu, 2017/07/28
- [Qemu-devel] [RFC 20/29] migration: wakeup dst ram-load-thread for recover, Peter Xu, 2017/07/28
- [Qemu-devel] [RFC 21/29] migration: new cmd MIG_CMD_RECV_BITMAP, Peter Xu, 2017/07/28
- [Qemu-devel] [RFC 22/29] migration: new message MIG_RP_MSG_RECV_BITMAP, Peter Xu, 2017/07/28
- [Qemu-devel] [RFC 23/29] migration: new cmd MIG_CMD_POSTCOPY_RESUME, Peter Xu, 2017/07/28
- [Qemu-devel] [RFC 24/29] migration: new message MIG_RP_MSG_RESUME_ACK, Peter Xu, 2017/07/28