[Qemu-devel] [PATCH 2/3] qga: add guest-get-time command

[Lei Li <lilei@linux.vnet.ibm.com>]

Signed-off-by: Lei Li <lilei@linux.vnet.ibm.com>
---
 qga/commands-posix.c |   12 ++++++++++++
 qga/qapi-schema.json |   17 +++++++++++++++++
 2 files changed, 29 insertions(+), 0 deletions(-)

diff --git a/qga/commands-posix.c b/qga/commands-posix.c
index 26b0fa0..190199d 100644
--- a/qga/commands-posix.c
+++ b/qga/commands-posix.c
@@ -109,6 +109,18 @@ static HostTimeInfo *get_host_time(void)
     return host_time;
 }
 
+struct HostTimeInfo *qmp_guest_get_time(Error **errp)
+{
+    HostTimeInfo *host_time = get_host_time();
+
+    if (!host_time) {
+        error_set(errp, QERR_QGA_COMMAND_FAILED, "Failed to get host time");
+        return NULL;
+    }
+
+    return host_time;
+}
+
 typedef struct GuestFileHandle {
     uint64_t id;
     FILE *fh;
diff --git a/qga/qapi-schema.json b/qga/qapi-schema.json
index 7793aff..4a8b93c 100644
--- a/qga/qapi-schema.json
+++ b/qga/qapi-schema.json
@@ -100,6 +100,23 @@
              'utc-offset': 'int' } }
 
 ##
+# @guest-get-time:
+#
+# Get the information about host time in UTC and the
+# UTC offset.
+#
+# This command tries to get the host time which is
+# presumably correct, since need to be able to resynchronize
+# clock to host in guest.
+#
+# Returns: @HostTimeInfo on success.
+#
+# Since 1.4
+##
+{ 'command': 'guest-get-time',
+  'returns': 'HostTimeInfo' }
+
+##
 # @GuestAgentCommandInfo:
 #
 # Information about guest agent commands.
-- 
1.7.7.6