1 files changed, 51 insertions, 0 deletions
diff --git a/hurd/rtc.h b/hurd/rtc.h
new file mode 100644
index 00000000..58bf5536
--- /dev/null
+++ b/hurd/rtc.h
@@ -0,0 +1,51 @@
+/* GNU Hurd RTC interface
+
+   Copyright (C) 2024 Free Software Foundation, Inc.
+
+   This file is part of the GNU Hurd.
+
+   The GNU Hurd is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2, or (at
+   your option) any later version.
+
+   The GNU Hurd is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA. */
+
+#ifndef _RTC_H
+#define _RTC_H	1
+
+#include <hurd/ioctl.h>
+
+struct rtc_time
+{
+  int tm_sec;
+  int tm_min;
+  int tm_hour;
+  int tm_mday;
+  int tm_mon;
+  int tm_year;
+  int tm_wday;
+  int tm_yday;
+  int tm_isdst;
+};
+typedef struct rtc_time rtc_time_t;
+
+#define _IOT_rtc_time _IOT(_IOTS(int),9,0,0,0,0)
+
+/* ioctl calls that are permitted to the /dev/rtc interface, if
+   any of the RTC drivers are enabled.  */
+
+#define RTC_UIE_ON  _IO('p', 0x03) /* Update int. enable on.  */
+#define RTC_UIE_OFF _IO('p', 0x04) /* ... off.  */
+
+#define RTC_RD_TIME	_IOR('p', 0x09, struct rtc_time) /* Read RTC time.  */
+#define RTC_SET_TIME	_IOW('p', 0x0a, struct rtc_time) /* Set RTC time.  */
+
+#endif /* rtc.h */