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[Qemu-devel] [PATCH 1/2] qga: add guest-get-time command
From: |
Lei Li |
Subject: |
[Qemu-devel] [PATCH 1/2] qga: add guest-get-time command |
Date: |
Tue, 5 Mar 2013 17:39:11 +0800 |
Signed-off-by: Lei Li <address@hidden>
---
qga/commands-posix.c | 16 ++++++++++++++++
qga/qapi-schema.json | 13 +++++++++++++
2 files changed, 29 insertions(+)
diff --git a/qga/commands-posix.c b/qga/commands-posix.c
index 7a0202e..1426262 100644
--- a/qga/commands-posix.c
+++ b/qga/commands-posix.c
@@ -119,6 +119,22 @@ void qmp_guest_shutdown(bool has_mode, const char *mode,
Error **err)
/* succeded */
}
+int64_t qmp_guest_get_time(Error **errp)
+{
+ int ret;
+ qemu_timeval tq;
+ int64_t time_ns;
+
+ ret = qemu_gettimeofday(&tq);
+ if (ret < 0) {
+ error_setg_errno(errp, errno, "Failed to get time");
+ return -1;
+ }
+
+ time_ns = tq.tv_sec * 1000000000LL + tq.tv_usec * 1000;
+ return time_ns;
+}
+
typedef struct GuestFileHandle {
uint64_t id;
FILE *fh;
diff --git a/qga/qapi-schema.json b/qga/qapi-schema.json
index d91d903..bb0f75e 100644
--- a/qga/qapi-schema.json
+++ b/qga/qapi-schema.json
@@ -83,6 +83,19 @@
{ 'command': 'guest-ping' }
##
+# @guest-get-time:
+#
+# Get the information about guest time relative to the Epoch
+# of 1970-01-01 in UTC.
+#
+# Returns: Time in nanoseconds.
+#
+# Since 1.5
+##
+{ 'command': 'guest-get-time',
+ 'returns': 'int' }
+
+##
# @GuestAgentCommandInfo:
#
# Information about guest agent commands.
--
1.7.11.7