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rf_netbsd.h revision 1.34 
      1 /*	$NetBSD: rf_netbsd.h,v 1.34 2019/10/10 03:43:59 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  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifndef _RF__RF_NETBSDSTUFF_H_
     33 #define _RF__RF_NETBSDSTUFF_H_
     34 
     35 #include <sys/fcntl.h>
     36 #include <sys/systm.h>
     37 #include <sys/vnode.h>
     38 #include <sys/pool.h>
     39 #include <sys/disk.h>
     40 
     41 #include <dev/dkvar.h>
     42 #include <dev/raidframe/raidframevar.h>
     43 
     44 struct raidcinfo {
     45 	struct vnode *ci_vp;	/* component device's vnode */
     46 	dev_t   ci_dev;		/* component device's dev_t */
     47 	RF_ComponentLabel_t ci_label; /* components RAIDframe label */
     48 #if 0
     49 	size_t  ci_size;	/* size */
     50 	char   *ci_path;	/* path to component */
     51 	size_t  ci_pathlen;	/* length of component path */
     52 #endif
     53 };
     54 
     55 
     56 /* a little structure to serve as a container for all the various
     57    global pools used in RAIDframe */
     58 
     59 struct RF_Pools_s {
     60 	struct pool alloclist;   /* AllocList */
     61 	struct pool asm_hdr;     /* Access Stripe Map Header */
     62 	struct pool asmap;       /* Access Stripe Map */
     63 	struct pool asmhle;      /* Access Stripe Map Header List Elements */
     64 	struct pool callbackf;   /* Callback function descriptors */
     65 	struct pool callbackv;   /* Callback value descriptors */
     66 	struct pool dagh;        /* DAG headers */
     67 	struct pool dagnode;     /* DAG nodes */
     68 	struct pool daglist;     /* DAG lists */
     69 	struct pool dagpcache;   /* DAG pointer/param cache */
     70 	struct pool dqd;         /* Disk Queue Data */
     71 	struct pool fss;         /* Failed Stripe Structures */
     72 	struct pool funclist;    /* Function Lists */
     73 	struct pool mcpair;      /* Mutex/Cond Pairs */
     74 	struct pool pda;         /* Physical Disk Access structures */
     75 	struct pool pss;         /* Parity Stripe Status */
     76 	struct pool pss_issued;  /* Parity Stripe Status Issued */
     77 	struct pool rad;         /* Raid Access Descriptors */
     78 	struct pool reconbuffer; /* reconstruction buffer (header) pool */
     79 	struct pool revent;      /* reconstruct events */
     80 	struct pool stripelock;  /* StripeLock */
     81 	struct pool vfple;       /* VoidFunctionPtr List Elements */
     82 	struct pool vple;        /* VoidPointer List Elements */
     83 };
     84 
     85 extern struct RF_Pools_s rf_pools;
     86 void rf_pool_init(struct pool *, size_t, const char *, size_t, size_t);
     87 int rf_buf_queue_check(RF_Raid_t *);
     88 
     89 /* XXX probably belongs in a different .h file. */
     90 typedef struct RF_AutoConfig_s {
     91 	char devname[56];       /* the name of this component */
     92 	int flag;               /* a general-purpose flag */
     93 	dev_t dev;              /* the device for this component */
     94 	struct vnode *vp;       /* Mr. Vnode Pointer */
     95 	RF_ComponentLabel_t *clabel;  /* the label */
     96 	struct RF_AutoConfig_s *next; /* the next autoconfig structure
     97 				         in this set. */
     98 } RF_AutoConfig_t;
     99 
    100 typedef struct RF_ConfigSet_s {
    101 	struct RF_AutoConfig_s *ac; /* all of the autoconfig structures for
    102 				       this config set. */
    103 	int rootable;               /* Set to 1 if this set can be root */
    104 	struct RF_ConfigSet_s *next;
    105 } RF_ConfigSet_t;
    106 
    107 #endif /* _RF__RF_NETBSDSTUFF_H_ */
    108