1 /* $NetBSD: dklist.c,v 1.11 2014/06/13 16:00:55 joerg Exp $ */
2
3 /*-
4 * Copyright (c) 2001 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Andrew Doran.
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 /*
33 * Copyright (c) 1996 John M. Vinopal
34 * All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 * 1. Redistributions of source code must retain the above copyright
40 * notice, this list of conditions and the following disclaimer.
41 * 2. Redistributions in binary form must reproduce the above copyright
42 * notice, this list of conditions and the following disclaimer in the
43 * documentation and/or other materials provided with the distribution.
44 * 3. All advertising materials mentioning features or use of this software
45 * must display the following acknowledgement:
46 * This product includes software developed for the NetBSD Project
47 * by John M. Vinopal.
48 * 4. The name of the author may not be used to endorse or promote products
49 * derived from this software without specific prior written permission.
50 *
51 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
52 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
53 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
54 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
55 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
56 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
57 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
58 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
59 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
60 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
61 * SUCH DAMAGE.
62 */
63
64 #ifndef lint
65 #include <sys/cdefs.h>
66 __RCSID("$NetBSD: dklist.c,v 1.11 2014/06/13 16:00:55 joerg Exp $");
67 #endif /* not lint */
68
69 #include <sys/types.h>
70 #include <sys/iostat.h>
71 #include <sys/ioctl.h>
72 #include <sys/sysctl.h>
73
74 #include <dev/ic/mlxreg.h>
75 #include <dev/ic/mlxio.h>
76
77 #include <ctype.h>
78 #include <err.h>
79 #include <errno.h>
80 #include <fcntl.h>
81 #include <limits.h>
82 #include <stdio.h>
83 #include <stdlib.h>
84 #include <string.h>
85 #include <unistd.h>
86 #include <util.h>
87
88 #include "extern.h"
89
90 static SIMPLEQ_HEAD(, mlx_disk) mlx_disks;
91
92 void
mlx_disk_init(void)93 mlx_disk_init(void)
94 {
95
96 SIMPLEQ_INIT(&mlx_disks);
97 }
98
99 int
mlx_disk_empty(void)100 mlx_disk_empty(void)
101 {
102
103 return (SIMPLEQ_EMPTY(&mlx_disks));
104 }
105
106 void
mlx_disk_iterate(void (* func)(struct mlx_disk *))107 mlx_disk_iterate(void (*func)(struct mlx_disk *))
108 {
109 struct mlx_disk *md;
110
111 SIMPLEQ_FOREACH(md, &mlx_disks, chain)
112 (*func)(md);
113 }
114
115 static int
mlx_disk_add0(const char * name)116 mlx_disk_add0(const char *name)
117 {
118 struct mlx_disk *md;
119 int unit;
120
121 if (name[0] != 'l' || name[1] != 'd' || !isdigit((unsigned char)name[2]))
122 return (-1);
123
124 SIMPLEQ_FOREACH(md, &mlx_disks, chain)
125 if (strcmp(md->name, name) == 0)
126 return (0);
127
128 unit = atoi(name + 2);
129 if (ioctl(mlxfd, MLX_GET_SYSDRIVE, &unit) < 0)
130 return (-1);
131
132 if ((md = malloc(sizeof(*md))) == NULL)
133 err(EXIT_FAILURE, "mlx_disk_add()");
134
135 strlcpy(md->name, name, sizeof(md->name));
136 md->hwunit = unit;
137 SIMPLEQ_INSERT_TAIL(&mlx_disks, md, chain);
138 return (0);
139 }
140
141 void
mlx_disk_add(const char * name)142 mlx_disk_add(const char *name)
143 {
144
145 if (mlx_disk_add0(name) != 0)
146 errx(EXIT_FAILURE, "%s is not attached to %s", name, mlxname);
147 }
148
149 void
mlx_disk_add_all(void)150 mlx_disk_add_all(void)
151 {
152 struct io_sysctl *data;
153 size_t i, len;
154 static const int mib[3] = { CTL_HW, HW_IOSTATS, sizeof(*data) };
155
156 data = asysctl(mib, __arraycount(mib), &len);
157 len /= sizeof(*data);
158
159 if (data == NULL || len == 0)
160 errx(EXIT_FAILURE, "no drives attached.");
161
162 for (i = 0; i < len; ++i) {
163 if (data[i].type == IOSTAT_DISK)
164 mlx_disk_add0(data[i].name);
165 }
166
167 free(data);
168 }
169