[src/trunk]: src/sys/sys Add header containing structure definitions for tape...

[blymn <blymn%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/a3111048b05f
branches:  trunk
changeset: 583456:a3111048b05f
user:      blymn <blymn%NetBSD.org@localhost>
date:      Sun Aug 07 12:19:06 2005 +0000

description:
Add header containing structure definitions for tape instrumentation

diffstat:

 sys/sys/tape.h |  81 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 81 insertions(+), 0 deletions(-)

diffs (85 lines):

diff -r 66730b4228fc -r a3111048b05f sys/sys/tape.h
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/sys/tape.h    Sun Aug 07 12:19:06 2005 +0000
@@ -0,0 +1,81 @@
+/*     $NetBSD: tape.h,v 1.1 2005/08/07 12:19:06 blymn Exp $   */
+
+/*-
+ * Copyright (c) 2005 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Brett Lymn
+ *
+ * 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. Neither the name of The NetBSD Foundation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * 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 _SYS_TAPE_H_
+#define _SYS_TAPE_H_
+
+#include <sys/queue.h>
+
+#define        TAPENAMELEN     16
+
+/* The following structure is 64-bit alignment safe */
+struct tape_sysctl {
+       char            name[TAPENAMELEN];
+       int32_t         busy;
+       int32_t         pad;
+       u_int64_t       xfer;
+       u_int64_t       bytes;
+       u_int32_t       attachtime_sec;
+       u_int32_t       attachtime_usec;
+       u_int32_t       timestamp_sec;
+       u_int32_t       timestamp_usec;
+       u_int32_t       time_sec;
+       u_int32_t       time_usec;
+       u_int64_t       rxfer;
+       u_int64_t       rbytes;
+       u_int64_t       wxfer;
+       u_int64_t       wbytes;
+};
+
+/*
+ * Statistics for the tape device - in a separate structure so userland can
+ * see them.
+ */
+
+struct tape {
+       char            *name;          /* name of drive */
+       int             busy;           /* drive is busy */
+       u_int64_t       rxfer;          /* total number of read transfers */
+       u_int64_t       wxfer;          /* total number of write transfers */
+       u_int64_t       rbytes;         /* total bytes read */
+       u_int64_t       wbytes;         /* total bytes written */
+       struct timeval  attachtime;     /* time tape was attached */
+       struct timeval  timestamp;      /* timestamp of last unbusy */
+       struct timeval  time;           /* total time spent busy */
+
+       TAILQ_ENTRY(tape) link;
+};
+
+/* Head of the tape stats list, define here so userland can get at it */
+TAILQ_HEAD(tapelist_head, tape);       /* the tapelist is a TAILQ */
+
+#endif
+