/* $OpenBSD: rf_openbsd.h,v 1.7 2008/06/27 06:03:08 ray 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 * * 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. * * 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. */ /* * Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by 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. * * 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_OPENBSD_H_ #define _RF__RF_OPENBSD_H_ #ifdef _KERNEL #include #include #include #include #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 fut_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; /* Master 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_OPENBSD_H_ */