/* $OpenBSD: rf_general.h,v 1.1 1999/01/11 14:29:23 niklas Exp $ */ /* $NetBSD: rf_general.h,v 1.1 1998/11/13 04:20:30 oster 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 Software.Distribution@CS.CMU.EDU * 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 */ /* * : * Log: rf_general.h,v * Revision 1.26 1996/08/09 16:44:57 jimz * sunos port * * Revision 1.25 1996/08/07 21:08:57 jimz * get NBPG defined for IRIX * * Revision 1.24 1996/08/06 22:02:06 jimz * include linux/user.h for linux to get NBPG * * Revision 1.23 1996/07/27 23:36:08 jimz * Solaris port of simulator * * Revision 1.22 1996/06/09 02:36:46 jimz * lots of little crufty cleanup- fixup whitespace * issues, comment #ifdefs, improve typing in some * places (esp size-related) * * Revision 1.21 1996/05/30 23:22:16 jimz * bugfixes of serialization, timing problems * more cleanup * * Revision 1.20 1996/05/27 18:56:37 jimz * more code cleanup * better typing * compiles in all 3 environments * * Revision 1.19 1996/05/24 22:17:04 jimz * continue code + namespace cleanup * typed a bunch of flags * * Revision 1.18 1996/05/23 21:46:35 jimz * checkpoint in code cleanup (release prep) * lots of types, function names have been fixed * * Revision 1.17 1996/05/23 00:33:23 jimz * code cleanup: move all debug decls to rf_options.c, all extern * debug decls to rf_options.h, all debug vars preceded by rf_ * * Revision 1.16 1996/05/21 18:53:13 jimz * be sure that noop macros don't confuse conditionals and loops * * Revision 1.15 1996/05/18 19:51:34 jimz * major code cleanup- fix syntax, make some types consistent, * add prototypes, clean out dead code, et cetera * * Revision 1.14 1996/05/08 21:01:24 jimz * fixed up enum type names that were conflicting with other * enums and function names (ie, "panic") * future naming trends will be towards RF_ and rf_ for * everything raidframe-related * * Revision 1.13 1995/12/12 18:10:06 jimz * MIN -> RF_MIN, MAX -> RF_MAX, ASSERT -> RF_ASSERT * fix 80-column brain damage in comments * * Revision 1.12 1995/12/01 18:29:08 root * added copyright info * * Revision 1.11 1995/09/19 22:59:52 jimz * Add kernel macro RF_DKU_END_IO(). When DKUSAGE is not defined, * this is a no-op. When it is defined, it calls dku_end_io() * correctly given a raidframe unit number and a buf pointer. * * Revision 1.10 1995/07/03 18:13:56 holland * changed kernel defn of GETTIME * * Revision 1.9 1995/07/02 15:07:42 holland * bug fixes related to getting distributed sparing numbers * * Revision 1.8 1995/06/12 15:54:40 rachad * Added garbege collection for log structured storage * * Revision 1.7 1995/06/03 19:18:16 holland * changes related to kernelization: access traces * changes related to distributed sparing: some bug fixes * * Revision 1.6 1995/05/01 13:28:00 holland * parity range locks, locking disk requests, recon+parityscan in kernel, etc. * * Revision 1.5 1995/04/06 14:47:56 rachad * merge completed * * Revision 1.4 1995/03/15 20:45:23 holland * distr sparing changes. * * Revision 1.3 1995/02/03 22:31:36 holland * many changes related to kernelization * * Revision 1.2 1994/11/29 21:37:10 danner * Added divide by zero check. * */ /*#define NOASSERT*/ #ifndef _RF__RF_GENERAL_H_ #define _RF__RF_GENERAL_H_ #ifdef _KERNEL #define KERNEL #endif #if !defined(KERNEL) && !defined(NOASSERT) #include #endif /* !KERNEL && !NOASSERT */ /* error reporting and handling */ #ifndef KERNEL #define RF_ERRORMSG(s) fprintf(stderr,(s)) #define RF_ERRORMSG1(s,a) fprintf(stderr,(s),(a)) #define RF_ERRORMSG2(s,a,b) fprintf(stderr,(s),(a),(b)) #define RF_ERRORMSG3(s,a,b,c) fprintf(stderr,(s),(a),(b),(c)) #define RF_ERRORMSG4(s,a,b,c,d) fprintf(stderr,(s),(a),(b),(c),(d)) #define RF_ERRORMSG5(s,a,b,c,d,e) fprintf(stderr,(s),(a),(b),(c),(d),(e)) #ifndef NOASSERT #define RF_ASSERT(x) {assert(x);} #else /* !NOASSERT */ #define RF_ASSERT(x) {/*noop*/} #endif /* !NOASSERT */ #define RF_PANIC() {printf("YIKES! Something terrible happened at line %d of file %s. Use a debugger.\n",__LINE__,__FILE__); abort();} #else /* !KERNEL */ #if (defined(__NetBSD__) || defined(__OpenBSD__)) && defined(_KERNEL) #include /* printf, sprintf, and friends */ #endif #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)) #define RF_ERRORMSG4(s,a,b,c,d) printf((s),(a),(b),(c),(d)) #define RF_ERRORMSG5(s,a,b,c,d,e) printf((s),(a),(b),(c),(d),(e)) #define perror(x) extern char rf_panicbuf[]; #define RF_PANIC() {sprintf(rf_panicbuf,"raidframe error at line %d file %s",__LINE__,__FILE__); panic(rf_panicbuf);} #ifdef RF_ASSERT #undef RF_ASSERT #endif /* RF_ASSERT */ #ifndef NOASSERT #define RF_ASSERT(_x_) { \ if (!(_x_)) { \ sprintf(rf_panicbuf, \ "raidframe error at line %d file %s (failed asserting %s)\n", \ __LINE__, __FILE__, #_x_); \ panic(rf_panicbuf); \ } \ } #else /* !NOASSERT */ #define RF_ASSERT(x) {/*noop*/} #endif /* !NOASSERT */ #endif /* !KERNEL */ /* 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 */ #ifdef KERNEL #if !defined(__NetBSD__) && !defined(__OpenBSD__) extern struct timeval time; #endif /* !__NetBSD__ && !__OpenBSD__ */ #define RF_GETTIME(_t) microtime(&(_t)) #else /* KERNEL */ #define RF_GETTIME(_t) gettimeofday(&(_t), NULL); #endif /* KERNEL */ /* * zero memory- not all bzero calls go through here, only * those which in the kernel may have a user address */ #ifdef KERNEL #if !defined(__NetBSD__) && !defined(__OpenBSD__) #define RF_BZERO(_bp,_b,_l) if (IS_SYS_VA(_b)) bzero(_b,_l); else rf_BzeroWithRemap(_bp,_b,_l) #else #define RF_BZERO(_bp,_b,_l) bzero(_b,_l) /* XXX This is likely incorrect. GO*/ #endif /* __NetBSD__ || __OpenBSD__ */ #else /* KERNEL */ #define RF_BZERO(_bp,_b,_l) bzero(_b,_l) #endif /* KERNEL */ #ifdef sun #include #ifndef NBPG #define NBPG PAGESIZE #endif /* !NBPG */ #endif /* sun */ #ifdef IRIX #include #define NBPG _PAGESZ #endif /* IRIX */ #ifdef LINUX #include #endif /* LINUX */ #define RF_UL(x) ((unsigned long) (x)) #define RF_PGMASK RF_UL(NBPG-1) #define RF_BLIP(x) (NBPG - (RF_UL(x) & RF_PGMASK)) /* bytes left in page */ #define RF_PAGE_ALIGNED(x) ((RF_UL(x) & RF_PGMASK) == 0) #ifdef KERNEL #if !defined(__NetBSD__) && !defined(__OpenBSD__) #include #endif #if DKUSAGE > 0 #define RF_DKU_END_IO(_unit_,_bp_) { \ int s = splbio(); \ dku_end_io(DKU_RAIDFRAME_BUS, _unit_, 0, \ (((_bp_)->b_flags&(B_READ|B_WRITE) == B_READ) ? \ CAM_DIR_IN : CAM_DIR_OUT), \ (_bp_)->b_bcount); \ splx(s); \ } #else /* DKUSAGE > 0 */ #define RF_DKU_END_IO(unit) { /* noop */ } #endif /* DKUSAGE > 0 */ #endif /* KERNEL */ #ifdef __STDC__ #define RF_STRING(_str_) #_str_ #else /* __STDC__ */ #define RF_STRING(_str_) "_str_" #endif /* __STDC__ */ #endif /* !_RF__RF_GENERAL_H_ */