87 lines
3.1 KiB
C
87 lines
3.1 KiB
C
/* $NetBSD: rf_configure.h,v 1.3 1999/02/05 00:06:06 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
|
|
*
|
|
*******************************/
|
|
|
|
|
|
#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_ */
|