1 /* $NetBSD: rf_netbsd.h,v 1.27 2006/08/27 05:07:13 christos 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 #include <sys/fcntl.h> 43 #include <sys/systm.h> 44 #include <sys/namei.h> 45 #include <sys/vnode.h> 46 #include <sys/pool.h> 47 #include <sys/disk.h> 48 49 #include <dev/dkvar.h> 50 #include <dev/raidframe/raidframevar.h> 51 52 struct raidcinfo { 53 struct vnode *ci_vp; /* component device's vnode */ 54 dev_t ci_dev; /* component device's dev_t */ 55 RF_ComponentLabel_t ci_label; /* components RAIDframe label */ 56 #if 0 57 size_t ci_size; /* size */ 58 char *ci_path; /* path to component */ 59 size_t ci_pathlen; /* length of component path */ 60 #endif 61 }; 62 63 64 /* a little structure to serve as a container for all the various 65 global pools used in RAIDframe */ 66 67 struct RF_Pools_s { 68 struct pool alloclist; /* AllocList */ 69 struct pool asm_hdr; /* Access Stripe Map Header */ 70 struct pool asmap; /* Access Stripe Map */ 71 struct pool asmhle; /* Access Stripe Map Header List Elements */ 72 struct pool callback; /* Callback descriptors */ 73 struct pool dagh; /* DAG headers */ 74 struct pool dagnode; /* DAG nodes */ 75 struct pool daglist; /* DAG lists */ 76 struct pool dagpcache; /* DAG pointer/param cache */ 77 struct pool dqd; /* Disk Queue Data */ 78 struct pool fss; /* Failed Stripe Structures */ 79 struct pool funclist; /* Function Lists */ 80 struct pool mcpair; /* Mutex/Cond Pairs */ 81 struct pool pda; /* Physical Disk Access structures */ 82 struct pool pss; /* Parity Stripe Status */ 83 struct pool pss_issued; /* Parity Stripe Status Issued */ 84 struct pool rad; /* Raid Access Descriptors */ 85 struct pool reconbuffer; /* reconstruction buffer (header) pool */ 86 struct pool revent; /* reconstruct events */ 87 struct pool stripelock; /* StripeLock */ 88 struct pool vfple; /* VoidFunctionPtr List Elements */ 89 struct pool vple; /* VoidPointer List Elements */ 90 }; 91 92 extern struct RF_Pools_s rf_pools; 93 void rf_pool_init(struct pool *, size_t, const char *, size_t, size_t); 94 int rf_buf_queue_check(int); 95 96 /* XXX probably belongs in a different .h file. */ 97 typedef struct RF_AutoConfig_s { 98 char devname[56]; /* the name of this component */ 99 int flag; /* a general-purpose flag */ 100 dev_t dev; /* the device for this component */ 101 struct vnode *vp; /* Mr. Vnode Pointer */ 102 RF_ComponentLabel_t *clabel; /* the label */ 103 struct RF_AutoConfig_s *next; /* the next autoconfig structure 104 in this set. */ 105 } RF_AutoConfig_t; 106 107 typedef struct RF_ConfigSet_s { 108 struct RF_AutoConfig_s *ac; /* all of the autoconfig structures for 109 this config set. */ 110 int rootable; /* Set to 1 if this set can be root */ 111 struct RF_ConfigSet_s *next; 112 } RF_ConfigSet_t; 113 114 #endif /* _RF__RF_NETBSDSTUFF_H_ */ 115