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rf_netbsd.h revision 1.27 
      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