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Diffstat (limited to 'sys/dev/raidframe/rf_configure.h')
| -rw-r--r-- | sys/dev/raidframe/rf_configure.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/sys/dev/raidframe/rf_configure.h b/sys/dev/raidframe/rf_configure.h new file mode 100644 index 00000000000..aee456c52a2 --- /dev/null +++ b/sys/dev/raidframe/rf_configure.h @@ -0,0 +1,127 @@ +/* $OpenBSD: rf_configure.h,v 1.1 1999/01/11 14:29:02 niklas Exp $ */ +/* $NetBSD: rf_configure.h,v 1.1 1998/11/13 04:20:26 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_configure.h + * + * header file for raidframe configuration in the kernel version only. + * configuration is invoked via ioctl rather than at boot time + * + *******************************/ + +/* : + * Log: rf_configure.h,v + * Revision 1.16 1996/06/19 14:57:53 jimz + * move layout-specific config parsing hooks into RF_LayoutSW_t + * table in rf_layout.c + * + * Revision 1.15 1996/06/07 21:33:04 jimz + * begin using consistent types for sector numbers, + * stripe numbers, row+col numbers, recon unit numbers + * + * Revision 1.14 1996/05/31 22:26:54 jimz + * fix a lot of mapping problems, memory allocation problems + * found some weird lock issues, fixed 'em + * more code cleanup + * + * Revision 1.13 1996/05/30 11:29:41 jimz + * Numerous bug fixes. Stripe lock release code disagreed with the taking code + * about when stripes should be locked (I made it consistent: no parity, no lock) + * There was a lot of extra serialization of I/Os which I've removed- a lot of + * it was to calculate values for the cache code, which is no longer with us. + * More types, function, macro cleanup. Added code to properly quiesce the array + * on shutdown. Made a lot of stuff array-specific which was (bogusly) general + * before. Fixed memory allocation, freeing bugs. + * + * Revision 1.12 1996/05/27 18:56:37 jimz + * more code cleanup + * better typing + * compiles in all 3 environments + * + * Revision 1.11 1996/05/24 01:59:45 jimz + * another checkpoint in code cleanup for release + * time to sync kernel tree + * + * Revision 1.10 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 1.9 1996/05/18 20:09:51 jimz + * bit of cleanup to compile cleanly in kernel, once again + * + * Revision 1.8 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 1.7 1995/12/01 15:16:26 root + * added copyright info + * + */ + +#ifndef _RF__RF_CONFIGURE_H_ +#define _RF__RF_CONFIGURE_H_ + +#include "rf_archs.h" +#include "rf_types.h" + +#include <sys/param.h> +#include <sys/proc.h> + +#include <sys/ioctl.h> + +/* the raidframe configuration, passed down through an ioctl. + * the driver can be reconfigured (with total loss of data) at any time, + * but it must be shut down first. + */ +struct RF_Config_s { + RF_RowCol_t numRow, numCol, numSpare; /* number of rows, columns, and spare disks */ + dev_t devs[RF_MAXROW][RF_MAXCOL]; /* device numbers for disks comprising array */ + char devnames[RF_MAXROW][RF_MAXCOL][50]; /* device names */ + dev_t spare_devs[RF_MAXSPARE]; /* device numbers for spare disks */ + char spare_names[RF_MAXSPARE][50]; /* device names */ + RF_SectorNum_t sectPerSU; /* sectors per stripe unit */ + RF_StripeNum_t SUsPerPU; /* stripe units per parity unit */ + RF_StripeNum_t SUsPerRU; /* stripe units per reconstruction unit */ + RF_ParityConfig_t parityConfig; /* identifies the RAID architecture to be used */ + RF_DiskQueueType_t diskQueueType; /* 'f' = fifo, 'c' = cvscan, not used in kernel */ + char maxOutstandingDiskReqs; /* # concurrent reqs to be sent to a disk. not used in kernel. */ + char debugVars[RF_MAXDBGV][50]; /* space for specifying debug variables & their values */ + unsigned int layoutSpecificSize; /* size in bytes of layout-specific info */ + void *layoutSpecific; /* a pointer to a layout-specific structure to be copied in */ +}; + +#ifndef KERNEL +int rf_MakeConfig(char *configname, RF_Config_t *cfgPtr); +int rf_MakeLayoutSpecificNULL(FILE *fp, RF_Config_t *cfgPtr, void *arg); +int rf_MakeLayoutSpecificDeclustered(FILE *configfp, RF_Config_t *cfgPtr, void *arg); +void *rf_ReadSpareTable(RF_SparetWait_t *req, char *fname); +#endif /* !KERNEL */ + +#endif /* !_RF__RF_CONFIGURE_H_ */ |