From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:39575) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UGQxi-0004UN-Nx for qemu-devel@nongnu.org; Fri, 15 Mar 2013 05:30:10 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UGQxe-0000Kc-Ex for qemu-devel@nongnu.org; Fri, 15 Mar 2013 05:30:06 -0400 Received: from e23smtp09.au.ibm.com ([202.81.31.142]:37828) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UGQxd-0000Cs-Ug for qemu-devel@nongnu.org; Fri, 15 Mar 2013 05:30:02 -0400 Received: from /spool/local by e23smtp09.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 15 Mar 2013 19:22:04 +1000 Received: from d23relay04.au.ibm.com (d23relay04.au.ibm.com [9.190.234.120]) by d23dlp03.au.ibm.com (Postfix) with ESMTP id 7C34B3578051 for ; Fri, 15 Mar 2013 20:29:56 +1100 (EST) Received: from d23av01.au.ibm.com (d23av01.au.ibm.com [9.190.234.96]) by d23relay04.au.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id r2F9GdPg11207126 for ; Fri, 15 Mar 2013 20:16:39 +1100 Received: from d23av01.au.ibm.com (loopback [127.0.0.1]) by d23av01.au.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id r2F9TP5D011297 for ; Fri, 15 Mar 2013 20:29:25 +1100 From: Lei Li Date: Fri, 15 Mar 2013 17:29:05 +0800 Message-Id: <1363339745-15639-3-git-send-email-lilei@linux.vnet.ibm.com> In-Reply-To: <1363339745-15639-1-git-send-email-lilei@linux.vnet.ibm.com> References: <1363339745-15639-1-git-send-email-lilei@linux.vnet.ibm.com> Subject: [Qemu-devel] [PATCH 2/2] qga: add windows implementation for guest-set-time List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: aliguori@us.ibm.com, mdroth@linux.vnet.ibm.com, Lei Li Signed-off-by: Lei Li --- qga/commands-win32.c | 29 ++++++++++++++++++++++++++++- 1 file changed, 28 insertions(+), 1 deletion(-) diff --git a/qga/commands-win32.c b/qga/commands-win32.c index d98e3ee..24e4ad0 100644 --- a/qga/commands-win32.c +++ b/qga/commands-win32.c @@ -309,7 +309,34 @@ int64_t qmp_guest_get_time(Error **errp) void qmp_guest_set_time(int64_t time_ns, Error **errp) { - error_set(errp, QERR_UNSUPPORTED); + SYSTEMTIME ts; + FILETIME tf; + LONGLONG time; + + if (time_ns < 0 || time_ns / 100 > INT64_MAX - W32_FT_OFFSET) { + error_setg(errp, "Time %" PRId64 "is invalid", time_ns); + return; + } + + time = time_ns / 100 + W32_FT_OFFSET; + + tf.dwLowDateTime = (DWORD) time; + tf.dwHighDateTime = (DWORD) (time >> 32); + + if (!FileTimeToSystemTime(&tf, &ts)) { + error_setg(errp, "Failed to convert system time %d", (int)GetLastError()); + return; + } + + acquire_privilege(SE_SYSTEMTIME_NAME, errp); + if (error_is_set(errp)) { + return; + } + + if (!SetSystemTime(&ts)) { + error_setg(errp, "Failed to set time to guest: %d", (int)GetLastError()); + return; + } } GuestLogicalProcessorList *qmp_guest_get_vcpus(Error **errp) -- 1.7.11.7