From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:36644) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UDEey-0001cJ-C4 for qemu-devel@nongnu.org; Wed, 06 Mar 2013 08:45:37 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UDEes-000713-Oj for qemu-devel@nongnu.org; Wed, 06 Mar 2013 08:45:32 -0500 Received: from e23smtp06.au.ibm.com ([202.81.31.148]:49483) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UDEes-00070b-6M for qemu-devel@nongnu.org; Wed, 06 Mar 2013 08:45:26 -0500 Received: from /spool/local by e23smtp06.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Wed, 6 Mar 2013 23:40:30 +1000 Received: from d23relay03.au.ibm.com (d23relay03.au.ibm.com [9.190.235.21]) by d23dlp03.au.ibm.com (Postfix) with ESMTP id A3A46357802D for ; Thu, 7 Mar 2013 00:45:22 +1100 (EST) Received: from d23av03.au.ibm.com (d23av03.au.ibm.com [9.190.234.97]) by d23relay03.au.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id r26DjJQG62521390 for ; Thu, 7 Mar 2013 00:45:19 +1100 Received: from d23av03.au.ibm.com (loopback [127.0.0.1]) by d23av03.au.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id r26DjMSO027130 for ; Thu, 7 Mar 2013 00:45:22 +1100 From: Lei Li Date: Wed, 6 Mar 2013 21:45:03 +0800 Message-Id: <1362577504-7994-2-git-send-email-lilei@linux.vnet.ibm.com> In-Reply-To: <1362577504-7994-1-git-send-email-lilei@linux.vnet.ibm.com> References: <1362577504-7994-1-git-send-email-lilei@linux.vnet.ibm.com> Subject: [Qemu-devel] [PATCH 1/2] qga: add windows implementation for guest-get-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 | 28 ++++++++++++++++++++++++++++ 1 files changed, 28 insertions(+), 0 deletions(-) diff --git a/qga/commands-win32.c b/qga/commands-win32.c index 7e8ecb3..4febec7 100644 --- a/qga/commands-win32.c +++ b/qga/commands-win32.c @@ -22,6 +22,8 @@ #define SHTDN_REASON_FLAG_PLANNED 0x80000000 #endif +#define _W32_FT_OFFSET (116444736000000000ULL) + static void acquire_privilege(const char *name, Error **err) { HANDLE token; @@ -108,6 +110,32 @@ void qmp_guest_shutdown(bool has_mode, const char *mode, Error **err) } } +int64_t qmp_guest_get_time(Error **errp) +{ + SYSTEMTIME *ts = g_malloc0(sizeof(SYSTEMTIME)); + int64_t time_ns; + union { + UINT64 ns100; + FILETIME tf; + } time; + + GetSystemTime(ts); + if (!ts) { + slog("guest-get-time failed: %d", GetLastError()); + error_setg_errno(errp, errno, "Failed to get time"); + return -1; + } + + if (!SystemTimeToFileTime(ts, &time.tf)) { + error_setg_errno(errp, errno, "Failed to convert system time"); + return -1; + } + + time_ns = (int64_t)((time.ns100 - _W32_FT_OFFSET) * 100); + + return time_ns; +} + int64_t qmp_guest_file_open(const char *path, bool has_mode, const char *mode, Error **err) { error_set(err, QERR_UNSUPPORTED); -- 1.7.7.6