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/*-
* Copyright (c) 2013-2014 Devin Teske <dteske@FreeBSD.org>
* All rights reserved.
*
* 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 AUTHOR 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 AUTHOR 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.
*
* $FreeBSD$
*/
#ifndef _DPV_UTIL_H_
#define _DPV_UTIL_H_
/* Limits */
#define BUFSIZE_MAX (2 * 1024 * 1024)
/* Buffer size for read(2) input */
#ifndef MAXPHYS
#define MAXPHYS (128 * 1024)
/* max raw I/O transfer size */
#endif
/*
* Memory strategry threshold, in pages: if physmem is larger than this,
* use a large buffer.
*/
#define PHYSPAGES_THRESHOLD (32 * 1024)
/*
* Small (default) buffer size in bytes. It's inefficient for this to be
* smaller than MAXPHYS.
*/
#define BUFSIZE_SMALL (MAXPHYS)
/*
* Math macros
*/
#undef MIN
#define MIN(x,y) ((x) < (y) ? (x) : (y))
#undef MAX
#define MAX(x,y) ((x) > (y) ? (x) : (y))
/*
* Extra display information
*/
#define BYTE_STATUS_SOLO "%'10lli bytes read @ %'9.1f bytes/sec."
#define BYTE_STATUS_MANY (BYTE_STATUS_SOLO " [%i/%i busy/wait]")
#define LINE_STATUS_SOLO "%'10lli lines read @ %'9.1f lines/sec."
#define LINE_STATUS_MANY (LINE_STATUS_SOLO " [%i/%i busy/wait]")
#endif /* !_DPV_UTIL_H_ */
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