1eecf8e491
out-dated comments, and other unneeded stuff. This helps prepare for cleaning up the rest of the code, and adding new functionality. No functional changes to the kernel code in this commit.
79 lines
3.3 KiB
C
79 lines
3.3 KiB
C
/* $NetBSD: rf_configure.h,v 1.2 1999/01/26 02:33:51 oster Exp $ */
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/*
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* Copyright (c) 1995 Carnegie-Mellon University.
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* All rights reserved.
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*
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* Author: Mark Holland
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*
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* Permission to use, copy, modify and distribute this software and
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* its documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
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* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie the
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* rights to redistribute these changes.
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*/
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/********************************
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*
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* rf_configure.h
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*
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* header file for raidframe configuration in the kernel version only.
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* configuration is invoked via ioctl rather than at boot time
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*
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*******************************/
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#ifndef _RF__RF_CONFIGURE_H_
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#define _RF__RF_CONFIGURE_H_
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#include "rf_archs.h"
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#include "rf_types.h"
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#include <sys/param.h>
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#include <sys/proc.h>
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#include <sys/ioctl.h>
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/* the raidframe configuration, passed down through an ioctl.
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* the driver can be reconfigured (with total loss of data) at any time,
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* but it must be shut down first.
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*/
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struct RF_Config_s {
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RF_RowCol_t numRow, numCol, numSpare; /* number of rows, columns, and spare disks */
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dev_t devs[RF_MAXROW][RF_MAXCOL]; /* device numbers for disks comprising array */
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char devnames[RF_MAXROW][RF_MAXCOL][50]; /* device names */
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dev_t spare_devs[RF_MAXSPARE]; /* device numbers for spare disks */
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char spare_names[RF_MAXSPARE][50]; /* device names */
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RF_SectorNum_t sectPerSU; /* sectors per stripe unit */
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RF_StripeNum_t SUsPerPU; /* stripe units per parity unit */
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RF_StripeNum_t SUsPerRU; /* stripe units per reconstruction unit */
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RF_ParityConfig_t parityConfig; /* identifies the RAID architecture to be used */
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RF_DiskQueueType_t diskQueueType; /* 'f' = fifo, 'c' = cvscan, not used in kernel */
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char maxOutstandingDiskReqs; /* # concurrent reqs to be sent to a disk. not used in kernel. */
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char debugVars[RF_MAXDBGV][50]; /* space for specifying debug variables & their values */
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unsigned int layoutSpecificSize; /* size in bytes of layout-specific info */
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void *layoutSpecific; /* a pointer to a layout-specific structure to be copied in */
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};
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#ifndef _KERNEL
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int rf_MakeConfig(char *configname, RF_Config_t *cfgPtr);
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int rf_MakeLayoutSpecificNULL(FILE *fp, RF_Config_t *cfgPtr, void *arg);
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int rf_MakeLayoutSpecificDeclustered(FILE *configfp, RF_Config_t *cfgPtr, void *arg);
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void *rf_ReadSpareTable(RF_SparetWait_t *req, char *fname);
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#endif /* !_KERNEL */
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#endif /* !_RF__RF_CONFIGURE_H_ */
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