1 /* $NetBSD: rf_netbsd.h,v 1.6 1999/05/13 21:46:17 ad Exp $ */ 2 3 /*- 4 * Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Greg Oster; Jason R. Thorpe. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #ifndef _RF__RF_NETBSDSTUFF_H_ 40 #define _RF__RF_NETBSDSTUFF_H_ 41 42 #ifdef _KERNEL 43 #include <sys/fcntl.h> 44 #include <sys/systm.h> 45 #include <sys/namei.h> 46 #include <sys/vnode.h> 47 #endif /* _KERNEL */ 48 49 /* The per-component label information that the user can set */ 50 typedef struct RF_ComponentInfo_s { 51 int row; /* the row number of this component */ 52 int column; /* the column number of this component */ 53 int serial_number; /* a user-specified serial number for this 54 RAID set */ 55 } RF_ComponentInfo_t; 56 57 /* The per-component label information */ 58 typedef struct RF_ComponentLabel_s { 59 int version; /* The version of this label. */ 60 int serial_number; /* a user-specified serial number for this 61 RAID set */ 62 int mod_counter; /* modification counter. Changed (usually 63 by incrementing) every time the label 64 is changed */ 65 int row; /* the row number of this component */ 66 int column; /* the column number of this component */ 67 int num_rows; /* number of rows in this RAID set */ 68 int num_columns; /* number of columns in this RAID set */ 69 int clean; /* 1 when clean, 0 when dirty */ 70 int status; /* rf_ds_optimal, rf_ds_dist_spared, whatever. */ 71 } RF_ComponentLabel_t; 72 73 typedef struct RF_SingleComponent_s { 74 int row; 75 int column; 76 char component_name[50]; /* name of the component */ 77 } RF_SingleComponent_t; 78 79 #ifdef _KERNEL 80 81 /* XXX this is *not* the place for these... */ 82 int rf_add_hot_spare(RF_Raid_t *raidPtr, RF_SingleComponent_t *sparePtr); 83 int rf_remove_hot_spare(RF_Raid_t *raidPtr, RF_SingleComponent_t *sparePtr); 84 85 86 struct raidcinfo { 87 struct vnode *ci_vp; /* component device's vnode */ 88 dev_t ci_dev; /* component device's dev_t */ 89 RF_ComponentLabel_t ci_label; /* components RAIDframe label */ 90 #if 0 91 size_t ci_size; /* size */ 92 char *ci_path; /* path to component */ 93 size_t ci_pathlen; /* length of component path */ 94 #endif 95 }; 96 97 98 #endif /* _KERNEL */ 99 #endif /* _RF__RF_NETBSDSTUFF_H_ */ 100