/* $OpenBSD: rf_configure.h,v 1.5 2002/12/16 07:01:03 tdeval Exp $ */ /* $NetBSD: rf_configure.h,v 1.4 1999/03/02 03:18:49 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 { /* Number of rows, columns, and spare disks. */ RF_RowCol_t numRow, numCol, numSpare; /* Device numbers for disks comprising array. */ dev_t devs[RF_MAXROW][RF_MAXCOL]; /* Device names. */ char devnames[RF_MAXROW][RF_MAXCOL][50]; /* Device numbers for spare disks. */ dev_t spare_devs[RF_MAXSPARE]; /* Device names. */ char spare_names[RF_MAXSPARE][50]; /* Sectors per stripe unit. */ RF_SectorNum_t sectPerSU; /* Stripe units per parity unit. */ RF_StripeNum_t SUsPerPU; /* Stripe units per reconstruction unit. */ RF_StripeNum_t SUsPerRU; /* Identifies the RAID architecture to be used. */ RF_ParityConfig_t parityConfig; /* 'f' = fifo, 'c' = cvscan, not used in kernel. */ RF_DiskQueueType_t diskQueueType; /* # concurrent reqs to be sent to a disk. Not used in kernel. */ char maxOutstandingDiskReqs; /* Space for specifying debug variables & their values. */ char debugVars[RF_MAXDBGV][RF_MAXDBGVLEN]; /* Size in bytes of layout-specific info. */ unsigned int layoutSpecificSize; /* A pointer to a layout-specific structure to be copied in. */ void *layoutSpecific; /* If !0, ignore many fatal configuration conditions. */ int force; /* * "force" is used to override cases where the component labels * would indicate that configuration should not proceed without * user intervention. */ }; #ifndef _KERNEL int rf_MakeConfig(char *, RF_Config_t *); int rf_MakeLayoutSpecificNULL(FILE *, RF_Config_t *, void *); int rf_MakeLayoutSpecificDeclustered(FILE *, RF_Config_t *, void *); void *rf_ReadSpareTable(RF_SparetWait_t *, char *); #endif /* !_KERNEL */ #endif /* !_RF__RF_CONFIGURE_H_ */