Module Name: src
Committed By: riastradh
Date: Wed Jul 24 02:29:27 UTC 2013
Added Files:
src/sys/external/bsd/drm2/include/linux [riastradh-drm2]: ktime.h
Log Message:
Add <linux/ktime.h> for drm2.
To generate a diff of this commit:
cvs rdiff -u -r0 -r1.1.2.1 src/sys/external/bsd/drm2/include/linux/ktime.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Added files:
Index: src/sys/external/bsd/drm2/include/linux/ktime.h
diff -u /dev/null src/sys/external/bsd/drm2/include/linux/ktime.h:1.1.2.1
--- /dev/null Wed Jul 24 02:29:27 2013
+++ src/sys/external/bsd/drm2/include/linux/ktime.h Wed Jul 24 02:29:27 2013
@@ -0,0 +1,139 @@
+/* $NetBSD: ktime.h,v 1.1.2.1 2013/07/24 02:29:27 riastradh Exp $ */
+
+/*-
+ * Copyright (c) 2013 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Taylor R. Campbell.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _LINUX_KTIME_H_
+#define _LINUX_KTIME_H_
+
+#include <sys/types.h>
+#include <sys/endian.h>
+#include <sys/time.h>
+
+union ktime {
+ int64_t kt_nsec;
+ struct {
+#if _BYTE_ORDER == _BIG_ENDIAN
+ int32_t ktsn_sec;
+ int32_t ktsn_nsec;
+#else
+ int32_t ktsn_nsec;
+ int32_t ktsn_sec;
+#endif
+ } kt_sec_nsec;
+};
+
+typedef union ktime ktime_t;
+
+static inline int64_t
+ktime_to_ns(ktime_t kt)
+{
+ return kt.kt_nsec;
+}
+
+static inline ktime_t
+ns_to_ktime(int64_t nsec)
+{
+ ktime_t kt;
+
+ kt.kt_nsec = nsec;
+
+ return kt;
+}
+
+static inline ktime_t
+ktime_sub(ktime_t a, ktime_t b)
+{
+ return ns_to_ktime(ktime_to_ns(a) - ktime_to_ns(b));
+}
+
+static inline ktime_t
+ktime_sub_ns(ktime_t a, int64_t nsec)
+{
+ return ns_to_ktime(ktime_to_ns(a) - nsec);
+}
+
+static inline struct timespec
+ns_to_timespec(int64_t nsec)
+{
+ struct timespec t;
+
+ t.tv_sec = (nsec / 1000000000ul);
+ t.tv_nsec = (nsec % 1000000000ul);
+
+ return t;
+}
+
+static inline struct timeval
+ns_to_timeval(int64_t nsec)
+{
+ struct timespec ts;
+ struct timeval tv;
+
+ ts = ns_to_timespec(nsec);
+ TIMESPEC_TO_TIMEVAL(&tv, &ts);
+
+ return tv;
+}
+
+static inline struct timespec
+ktime_to_timespec(ktime_t kt)
+{
+ return ns_to_timespec(ktime_to_ns(kt));
+}
+
+static inline struct timeval
+ktime_to_timeval(ktime_t kt)
+{
+ return ns_to_timeval(ktime_to_ns(kt));
+}
+
+static inline ktime_t
+ktime_get(void)
+{
+ struct timespec ts;
+ ktime_t kt;
+
+ /* XXX nanotime or nanouptime? */
+ nanotime(&ts);
+
+ /* XXX Silently truncate? */
+ kt.kt_sec_nsec.ktsn_sec = ts.tv_sec & 0xffffffffUL;
+ kt.kt_sec_nsec.ktsn_sec = ts.tv_nsec;
+
+ return kt;
+}
+
+static inline ktime_t
+ktime_get_monotonic_offset(void)
+{
+ return ns_to_ktime(0); /* XXX Obviously wrong! Revisit. */
+}
+
+#endif /* _LINUX_KTIME_H_ */
