From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60477) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e4sKc-0005WM-E2 for qemu-devel@nongnu.org; Wed, 18 Oct 2017 13:40:39 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1e4sKY-0001cF-HH for qemu-devel@nongnu.org; Wed, 18 Oct 2017 13:40:38 -0400 Received: from mx1.redhat.com ([209.132.183.28]:56642) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1e4sKY-0001bf-Bb for qemu-devel@nongnu.org; Wed, 18 Oct 2017 13:40:34 -0400 From: "Dr. David Alan Gilbert (git)" Date: Wed, 18 Oct 2017 18:40:10 +0100 Message-Id: <20171018174013.22709-5-dgilbert@redhat.com> In-Reply-To: <20171018174013.22709-1-dgilbert@redhat.com> References: <20171018174013.22709-1-dgilbert@redhat.com> Subject: [Qemu-devel] [PATCH v3 4/7] migration: migrate-continue List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org, kwolf@redhat.com, jdenemar@redhat.com, wangjie88@huawei.com, quintela@redhat.com, peterx@redhat.com, mreitz@redhat.com Cc: berrange@redhat.com, eblake@redhat.com, fuweiwei2@huawei.com From: "Dr. David Alan Gilbert" A new qmp command allows the caller to continue from a given paused state. Signed-off-by: Dr. David Alan Gilbert --- migration/migration.c | 11 +++++++++++ qapi/migration.json | 17 +++++++++++++++++ 2 files changed, 28 insertions(+) diff --git a/migration/migration.c b/migration/migration.c index 6c6d5e2c75..c9a3ee9efd 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -1368,6 +1368,17 @@ void qmp_migrate_cancel(Error **errp) migrate_fd_cancel(migrate_get_current()); } +void qmp_migrate_continue(MigrationStatus state, Error **errp) +{ + MigrationState *s = migrate_get_current(); + if (s->state != state) { + error_setg(errp, "Migration not in expected state: %s", + MigrationStatus_str(s->state)); + return; + } + qemu_sem_post(&s->pause_sem); +} + void qmp_migrate_set_cache_size(int64_t value, Error **errp) { MigrationState *s = migrate_get_current(); diff --git a/qapi/migration.json b/qapi/migration.json index b56f95db64..3b50afa6e8 100644 --- a/qapi/migration.json +++ b/qapi/migration.json @@ -877,6 +877,23 @@ { 'command': 'migrate_cancel' } ## +# @migrate-continue: +# +# Continue migration when it's in a paused state. +# +# @state: The state the migration is currently expected to be in +# +# Returns: nothing on success +# Since: 2.11 +# Example: +# +# -> { "execute": "migrate-continue" , "arguments": +# { "state": "pause-before-device" } } +# <- { "return": {} } +## +{ 'command': 'migrate-continue', 'data': {'state': 'MigrationStatus'} } + +## # @migrate_set_downtime: # # Set maximum tolerated downtime for migration. -- 2.13.6