1*041394f3SDevin Teske /*- 2*041394f3SDevin Teske * Copyright (c) 2013-2014 Devin Teske <dteske@FreeBSD.org> 3*041394f3SDevin Teske * All rights reserved. 4*041394f3SDevin Teske * 5*041394f3SDevin Teske * Redistribution and use in source and binary forms, with or without 6*041394f3SDevin Teske * modification, are permitted provided that the following conditions 7*041394f3SDevin Teske * are met: 8*041394f3SDevin Teske * 1. Redistributions of source code must retain the above copyright 9*041394f3SDevin Teske * notice, this list of conditions and the following disclaimer. 10*041394f3SDevin Teske * 2. Redistributions in binary form must reproduce the above copyright 11*041394f3SDevin Teske * notice, this list of conditions and the following disclaimer in the 12*041394f3SDevin Teske * documentation and/or other materials provided with the distribution. 13*041394f3SDevin Teske * 14*041394f3SDevin Teske * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15*041394f3SDevin Teske * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16*041394f3SDevin Teske * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17*041394f3SDevin Teske * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18*041394f3SDevin Teske * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19*041394f3SDevin Teske * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20*041394f3SDevin Teske * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21*041394f3SDevin Teske * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22*041394f3SDevin Teske * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23*041394f3SDevin Teske * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24*041394f3SDevin Teske * SUCH DAMAGE. 25*041394f3SDevin Teske */ 26*041394f3SDevin Teske 27*041394f3SDevin Teske #ifndef _DPV_UTIL_H_ 28*041394f3SDevin Teske #define _DPV_UTIL_H_ 29*041394f3SDevin Teske 30*041394f3SDevin Teske /* Limits */ 31*041394f3SDevin Teske #define BUFSIZE_MAX (2 * 1024 * 1024) 32*041394f3SDevin Teske /* Buffer size for read(2) input */ 33*041394f3SDevin Teske #ifndef MAXPHYS 34*041394f3SDevin Teske #define MAXPHYS (128 * 1024) 35*041394f3SDevin Teske /* max raw I/O transfer size */ 36*041394f3SDevin Teske #endif 37*041394f3SDevin Teske 38*041394f3SDevin Teske /* 39*041394f3SDevin Teske * Memory strategry threshold, in pages: if physmem is larger than this, 40*041394f3SDevin Teske * use a large buffer. 41*041394f3SDevin Teske */ 42*041394f3SDevin Teske #define PHYSPAGES_THRESHOLD (32 * 1024) 43*041394f3SDevin Teske 44*041394f3SDevin Teske /* 45*041394f3SDevin Teske * Small (default) buffer size in bytes. It's inefficient for this to be 46*041394f3SDevin Teske * smaller than MAXPHYS. 47*041394f3SDevin Teske */ 48*041394f3SDevin Teske #define BUFSIZE_SMALL (MAXPHYS) 49*041394f3SDevin Teske 50*041394f3SDevin Teske /* 51*041394f3SDevin Teske * Math macros 52*041394f3SDevin Teske */ 53*041394f3SDevin Teske #undef MIN 54*041394f3SDevin Teske #define MIN(x,y) ((x) < (y) ? (x) : (y)) 55*041394f3SDevin Teske #undef MAX 56*041394f3SDevin Teske #define MAX(x,y) ((x) > (y) ? (x) : (y)) 57*041394f3SDevin Teske 58*041394f3SDevin Teske /* 59*041394f3SDevin Teske * Extra display information 60*041394f3SDevin Teske */ 61*041394f3SDevin Teske #define BYTE_STATUS_SOLO "%'10lli bytes read @ %'9.1f bytes/sec." 62*041394f3SDevin Teske #define BYTE_STATUS_MANY (BYTE_STATUS_SOLO " [%i/%i busy/wait]") 63*041394f3SDevin Teske #define LINE_STATUS_SOLO "%'10lli lines read @ %'9.1f lines/sec." 64*041394f3SDevin Teske #define LINE_STATUS_MANY (LINE_STATUS_SOLO " [%i/%i busy/wait]") 65*041394f3SDevin Teske 66*041394f3SDevin Teske #endif /* !_DPV_UTIL_H_ */ 67