From b968470aaa6fe47bb64c5a80976007bb3f160d3b Mon Sep 17 00:00:00 2001 Message-Id: In-Reply-To: <707b9b97153063374d2530e72c49b1499fc21af9.1367947969.git.minovotn@redhat.com> References: <707b9b97153063374d2530e72c49b1499fc21af9.1367947969.git.minovotn@redhat.com> From: Laszlo Ersek Date: Mon, 6 May 2013 19:28:16 +0200 Subject: [PATCH 111/114] qga: add windows implementation for guest-set-time RH-Author: Laszlo Ersek Message-id: <1367868499-27603-54-git-send-email-lersek@redhat.com> Patchwork-id: 51152 O-Subject: [RHEL-6.5 qemu-kvm PATCH v2 53/56] qga: add windows implementation for guest-set-time Bugzilla: 952873 RH-Acked-by: Jeffrey Cody RH-Acked-by: Gerd Hoffmann RH-Acked-by: Paolo Bonzini From: Lei Li Signed-off-by: Lei Li Reviewed-by: Eric Blake Reviewed-by: Michael Roth Signed-off-by: Michael Roth (cherry picked from commit b8f954fea019801370954fe85c32df49edf6397d) Signed-off-by: Laszlo Ersek --- qga/commands-win32.c | 29 ++++++++++++++++++++++++++++- 1 files changed, 28 insertions(+), 1 deletions(-) Signed-off-by: Michal Novotny --- 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 92dd7ab..59cc645 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