1 /* $NetBSD: rf_general.h,v 1.9 2001/10/04 15:58:53 oster Exp $ */ 2 /* 3 * Copyright (c) 1995 Carnegie-Mellon University. 4 * All rights reserved. 5 * 6 * Author: Mark Holland 7 * 8 * Permission to use, copy, modify and distribute this software and 9 * its documentation is hereby granted, provided that both the copyright 10 * notice and this permission notice appear in all copies of the 11 * software, derivative works or modified versions, and any portions 12 * thereof, and that both notices appear in supporting documentation. 13 * 14 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 15 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 16 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 17 * 18 * Carnegie Mellon requests users of this software to return to 19 * 20 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 21 * School of Computer Science 22 * Carnegie Mellon University 23 * Pittsburgh PA 15213-3890 24 * 25 * any improvements or extensions that they make and grant Carnegie the 26 * rights to redistribute these changes. 27 */ 28 29 /* 30 * rf_general.h -- some general-use definitions 31 */ 32 33 /* #define NOASSERT */ 34 35 #ifndef _RF__RF_GENERAL_H_ 36 #define _RF__RF_GENERAL_H_ 37 38 #ifdef _KERNEL_OPT 39 #include "opt_raid_diagnostic.h" 40 #endif /* _KERNEL_OPT */ 41 42 /* error reporting and handling */ 43 44 #include<sys/systm.h> /* printf, sprintf, and friends */ 45 46 #define RF_ERRORMSG(s) printf((s)) 47 #define RF_ERRORMSG1(s,a) printf((s),(a)) 48 #define RF_ERRORMSG2(s,a,b) printf((s),(a),(b)) 49 #define RF_ERRORMSG3(s,a,b,c) printf((s),(a),(b),(c)) 50 51 void rf_print_panic_message(int, char *); 52 void rf_print_assert_panic_message(int, char *, char *); 53 54 extern char rf_panicbuf[]; 55 #define RF_PANIC() {rf_print_panic_message(__LINE__,__FILE__); panic(rf_panicbuf);} 56 57 #ifdef RAID_DIAGNOSTIC 58 #define RF_ASSERT(_x_) { \ 59 if (!(_x_)) { \ 60 rf_print_assert_panic_message(__LINE__, __FILE__, #_x_); \ 61 panic(rf_panicbuf); \ 62 } \ 63 } 64 #else /* RAID_DIAGNOSTIC */ 65 #define RF_ASSERT(x) {/*noop*/} 66 #endif /* RAID_DIAGNOSTIC */ 67 68 /* random stuff */ 69 #define RF_MAX(a,b) (((a) > (b)) ? (a) : (b)) 70 #define RF_MIN(a,b) (((a) < (b)) ? (a) : (b)) 71 72 /* divide-by-zero check */ 73 #define RF_DB0_CHECK(a,b) ( ((b)==0) ? 0 : (a)/(b) ) 74 75 /* get time of day */ 76 #define RF_GETTIME(_t) microtime(&(_t)) 77 78 /* 79 * zero memory- not all memset calls go through here, only 80 * those which in the kernel may have a user address 81 */ 82 83 #define RF_BZERO(_bp,_b,_l) memset(_b,0,_l) /* XXX This is likely 84 * incorrect. GO */ 85 86 87 #define RF_UL(x) ((unsigned long) (x)) 88 #define RF_PGMASK RF_UL(NBPG-1) 89 #define RF_BLIP(x) (NBPG - (RF_UL(x) & RF_PGMASK)) /* bytes left in page */ 90 #define RF_PAGE_ALIGNED(x) ((RF_UL(x) & RF_PGMASK) == 0) 91 92 #ifdef __STDC__ 93 #define RF_STRING(_str_) #_str_ 94 #else /* __STDC__ */ 95 #define RF_STRING(_str_) "_str_" 96 #endif /* __STDC__ */ 97 98 #endif /* !_RF__RF_GENERAL_H_ */ 99