/* $NetBSD: rf_general.h,v 1.22 2016/12/10 23:03:27 maya Exp $ */
/*
* Copyright (c) 1995 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Mark Holland
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or
[email protected]
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
/*
* rf_general.h -- some general-use definitions
*/
/* #define NOASSERT */
#ifndef _RF__RF_GENERAL_H_
#define _RF__RF_GENERAL_H_
#ifdef _KERNEL_OPT
#include "opt_raid_diagnostic.h"
#endif /* _KERNEL_OPT */
/* error reporting and handling */
#include <sys/systm.h> /* printf, snprintf, and friends */
#define RF_ERRORMSG(s) printf((s))
#define RF_ERRORMSG1(s,a) printf((s),(a))
#define RF_ERRORMSG2(s,a,b) printf((s),(a),(b))
#define RF_ERRORMSG3(s,a,b,c) printf((s),(a),(b),(c))
void rf_print_panic_message(int, const char *);
void rf_print_assert_panic_message(int, const char *, const char *);
void rf_print_unable_to_init_mutex(const char *, int, int);
void rf_print_unable_to_add_shutdown(const char *, int, int);
#define RF_PANIC() {rf_print_panic_message(__LINE__,__FILE__);}
#if defined(RAID_DIAGNOSTIC) || defined(__COVERITY__)
#define RF_ASSERT(_x_) { \
if (!(_x_)) { \
rf_print_assert_panic_message(__LINE__, __FILE__, #_x_); \
} \
}
#else /* RAID_DIAGNOSTIC */
#define RF_ASSERT(x) { /*noop*/ (void)(x); }
#endif /* RAID_DIAGNOSTIC */
/* random stuff */
#define RF_MAX(a,b) (((a) > (b)) ? (a) : (b))
#define RF_MIN(a,b) (((a) < (b)) ? (a) : (b))
/* divide-by-zero check */
#define RF_DB0_CHECK(a,b) ( ((b)==0) ? 0 : (a)/(b) )
/* get time of day */
#define RF_GETTIME(_t) microtime(&(_t))
#define RF_UL(x) ((unsigned long) (x))
#define RF_PGMASK PAGE_MASK
#define RF_BLIP(x) (PAGE_SIZE - (RF_UL(x) & RF_PGMASK)) /* bytes left in page */
#define RF_PAGE_ALIGNED(x) ((RF_UL(x) & RF_PGMASK) == 0)
#ifdef __STDC__
#define RF_STRING(_str_) #_str_
#else /* __STDC__ */
#define RF_STRING(_str_) "_str_"
#endif /* __STDC__ */
#endif /* !_RF__RF_GENERAL_H_ */
