/* $FreeBSD$ */ /* $NetBSD: rf_netbsd.h,v 1.12 2000/05/28 22:53:49 oster Exp $ */ /*- * Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Greg Oster; Jason R. Thorpe. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef _RF__RF_BSD_H_ #define _RF__RF_BSD_H_ #ifdef _KERNEL #include #include #include #include #include "opt_raid.h" #ifdef RAID_DEBUG #define rf_printf(lvl, fmt, args...) \ do { \ if (lvl <= RAID_DEBUG) printf(fmt, ##args); \ } while(0) #else /* DEBUG */ #define rf_printf(lvl, fmt, args...) { } #endif /* DEBUG */ #endif /* _KERNEL */ /* The per-component label information that the user can set */ typedef struct RF_ComponentInfo_s { int row; /* the row number of this component */ int column; /* the column number of this component */ int serial_number; /* a user-specified serial number for this RAID set */ } RF_ComponentInfo_t; /* The per-component label information */ typedef struct RF_ComponentLabel_s { int version; /* The version of this label. */ int serial_number; /* a user-specified serial number for this RAID set */ int mod_counter; /* modification counter. Changed (usually by incrementing) every time the label is changed */ int row; /* the row number of this component */ int column; /* the column number of this component */ int num_rows; /* number of rows in this RAID set */ int num_columns; /* number of columns in this RAID set */ int clean; /* 1 when clean, 0 when dirty */ int status; /* rf_ds_optimal, rf_ds_dist_spared, whatever. */ /* stuff that will be in version 2 of the label */ int sectPerSU; /* Sectors per Stripe Unit */ int SUsPerPU; /* Stripe Units per Parity Units */ int SUsPerRU; /* Stripe Units per Reconstruction Units */ int parityConfig; /* '0' == RAID0, '1' == RAID1, etc. */ int maxOutstanding; /* maxOutstanding disk requests */ int blockSize; /* size of component block. (disklabel->d_secsize) */ int numBlocks; /* number of blocks on this component. May be smaller than the partition size. */ int partitionSize; /* number of blocks on this *partition*. Must exactly match the partition size from the disklabel. */ int future_use[33]; /* Future expansion */ int autoconfigure; /* automatically configure this RAID set. 0 == no, 1 == yes */ int root_partition; /* Use this set as / 0 == no, 1 == yes*/ int last_unit; /* last unit number (e.g. 0 for /dev/raid0) of this component. Used for autoconfigure only. */ int config_order; /* 0 .. n. The order in which the component should be auto-configured. E.g. 0 is will done first, (and would become raid0). This may be in conflict with last_unit!!?! */ /* Not currently used. */ int future_use2[44]; /* More future expansion */ } RF_ComponentLabel_t; typedef struct RF_SingleComponent_s { int row; int column; char component_name[50]; /* name of the component */ } RF_SingleComponent_t; #ifdef _KERNEL struct raidcinfo { struct vnode *ci_vp; /* component device's vnode */ dev_t ci_dev; /* component device's dev_t */ RF_ComponentLabel_t ci_label; /* components RAIDframe label */ #if 0 size_t ci_size; /* size */ char *ci_path; /* path to component */ size_t ci_pathlen; /* length of component path */ #endif }; /* XXX probably belongs in a different .h file. */ typedef struct RF_AutoConfig_s { char devname[56]; /* the name of this component */ int flag; /* a general-purpose flag */ dev_t dev; /* the device for this component */ struct vnode *vp; /* Mr. Vnode Pointer */ RF_ComponentLabel_t *clabel; /* the label */ struct RF_AutoConfig_s *next; /* the next autoconfig structure in this set. */ } RF_AutoConfig_t; typedef struct RF_ConfigSet_s { struct RF_AutoConfig_s *ac; /* all of the autoconfig structures for this config set. */ int rootable; /* Set to 1 if this set can be root */ struct RF_ConfigSet_s *next; } RF_ConfigSet_t; #endif /* _KERNEL */ #endif /* _RF__RF_BSD_H_ */