1 /*        $NetBSD: rf_netbsd.h,v 1.38 2021/07/23 02:18:26 oster 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    per-device pools used in RAIDframe */
58 
59 struct RF_Pools_s {
60           struct pool asm_hdr;     /* Access Stripe Map Header */
61           struct pool asmap;       /* Access Stripe Map */
62           struct pool asmhle;      /* Access Stripe Map Header List Elements */
63           struct pool bufio;       /* Buffer IO Pool */
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 rad;         /* Raid Access Descriptors */
77           struct pool reconbuffer; /* reconstruction buffer (header) pool */
78           struct pool revent;      /* reconstruct events */
79           struct pool stripelock;  /* StripeLock */
80           struct pool vfple;       /* VoidFunctionPtr List Elements */
81           struct pool vple;        /* VoidPointer List Elements */
82 };
83 
84 #define RF_MAX_POOLNAMELEN 30
85 struct RF_PoolNames_s {
86           char asm_hdr[RF_MAX_POOLNAMELEN];     /* Access Stripe Map Header */
87           char asmap[RF_MAX_POOLNAMELEN];       /* Access Stripe Map */
88           char asmhle[RF_MAX_POOLNAMELEN];      /* Access Stripe Map Header List Elements */
89           char bufio[RF_MAX_POOLNAMELEN];       /* Buffer IO Pool */
90           char callbackf[RF_MAX_POOLNAMELEN];   /* Callback function descriptors */
91           char callbackv[RF_MAX_POOLNAMELEN];   /* Callback value descriptors */
92           char dagh[RF_MAX_POOLNAMELEN];        /* DAG headers */
93           char dagnode[RF_MAX_POOLNAMELEN];     /* DAG nodes */
94           char daglist[RF_MAX_POOLNAMELEN];     /* DAG lists */
95           char dagpcache[RF_MAX_POOLNAMELEN];   /* DAG pointer/param cache */
96           char dqd[RF_MAX_POOLNAMELEN];         /* Disk Queue Data */
97           char fss[RF_MAX_POOLNAMELEN];         /* Failed Stripe Structures */
98           char funclist[RF_MAX_POOLNAMELEN];    /* Function Lists */
99           char mcpair[RF_MAX_POOLNAMELEN];      /* Mutex/Cond Pairs */
100           char pda[RF_MAX_POOLNAMELEN];         /* Physical Disk Access structures */
101           char pss[RF_MAX_POOLNAMELEN];         /* Parity Stripe Status */
102           char rad[RF_MAX_POOLNAMELEN];         /* Raid Access Descriptors */
103           char reconbuffer[RF_MAX_POOLNAMELEN]; /* reconstruction buffer (header) pool */
104           char revent[RF_MAX_POOLNAMELEN];      /* reconstruct events */
105           char stripelock[RF_MAX_POOLNAMELEN];  /* StripeLock */
106           char vfple[RF_MAX_POOLNAMELEN];       /* VoidFunctionPtr List Elements */
107           char vple[RF_MAX_POOLNAMELEN];        /* VoidPointer List Elements */
108 };
109 
110 extern struct pool rf_alloclist_pool;   /* AllocList */
111 void rf_pool_init(RF_Raid_t *, char *, struct pool *, size_t, const char *, size_t, size_t);
112 int rf_buf_queue_check(RF_Raid_t *);
113 
114 /* XXX probably belongs in a different .h file. */
115 typedef struct RF_AutoConfig_s {
116           char devname[56];       /* the name of this component */
117           int flag;               /* a general-purpose flag */
118           dev_t dev;              /* the device for this component */
119           struct vnode *vp;       /* Mr. Vnode Pointer */
120           RF_ComponentLabel_t *clabel;  /* the label */
121           struct RF_AutoConfig_s *next; /* the next autoconfig structure
122                                                  in this set. */
123 } RF_AutoConfig_t;
124 
125 typedef struct RF_ConfigSet_s {
126           struct RF_AutoConfig_s *ac; /* all of the autoconfig structures for
127                                                this config set. */
128           int rootable;               /* Set to 1 if this set can be root */
129           struct RF_ConfigSet_s *next;
130 } RF_ConfigSet_t;
131 
132 extern const int rf_b_pass;
133 
134 #endif /* _RF__RF_NETBSDSTUFF_H_ */
135