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67 lines
2.3 KiB
C
67 lines
2.3 KiB
C
/*-
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* Copyright (c) 2013-2014 Devin Teske <dteske@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _DPV_UTIL_H_
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#define _DPV_UTIL_H_
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/* Limits */
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#define BUFSIZE_MAX (2 * 1024 * 1024)
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/* Buffer size for read(2) input */
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#ifndef MAXPHYS
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#define MAXPHYS (128 * 1024)
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/* max raw I/O transfer size */
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#endif
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/*
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* Memory strategry threshold, in pages: if physmem is larger than this,
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* use a large buffer.
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*/
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#define PHYSPAGES_THRESHOLD (32 * 1024)
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/*
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* Small (default) buffer size in bytes. It's inefficient for this to be
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* smaller than MAXPHYS.
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*/
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#define BUFSIZE_SMALL (MAXPHYS)
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/*
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* Math macros
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*/
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#undef MIN
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#define MIN(x,y) ((x) < (y) ? (x) : (y))
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#undef MAX
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#define MAX(x,y) ((x) > (y) ? (x) : (y))
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/*
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* Extra display information
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*/
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#define BYTE_STATUS_SOLO "%'10lli bytes read @ %'9.1f bytes/sec."
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#define BYTE_STATUS_MANY (BYTE_STATUS_SOLO " [%i/%i busy/wait]")
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#define LINE_STATUS_SOLO "%'10lli lines read @ %'9.1f lines/sec."
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#define LINE_STATUS_MANY (LINE_STATUS_SOLO " [%i/%i busy/wait]")
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#endif /* !_DPV_UTIL_H_ */
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