usr.sbin/mlxctl/main.c

   1 /*      $NetBSD: main.c,v 1.6 2007/02/21 20:53:59 hubertf Exp $ */
   2
   3 /*-
   4  * Copyright (c) 2001, 2002 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 #ifndef lint
  33 #include <sys/cdefs.h>
  34 __RCSID("$NetBSD: main.c,v 1.6 2007/02/21 20:53:59 hubertf Exp $");
  35 #endif /* not lint */
  36
  37 #include <sys/types.h>
  38 #include <sys/ioctl.h>
  39 #include <sys/queue.h>
  40
  41 #include <dev/ic/mlxreg.h>
  42 #include <dev/ic/mlxio.h>
  43
  44 #include <err.h>
  45 #include <fcntl.h>
  46 #include <stdio.h>
  47 #include <stdlib.h>
  48 #include <string.h>
  49 #include <unistd.h>
  50
  51 #include "extern.h"
  52
  53 const char      *mlxname;
  54 const char      *memf;
  55 const char      *nlistf;
  56 struct  mlx_cinfo ci;
  57 int     mlxfd = -1;
  58 int     verbosity;
  59
  60 struct cmd {
  61         const char      *label;
  62         int     flags;
  63         int     (*func)(char **);
  64 };
  65 #define CMD_DISKS       0x01
  66 #define CMD_NOARGS      0x02
  67
  68 static const struct cmd cmdtab[] = {
  69         { "check",      CMD_DISKS,      cmd_check },
  70         { "config",     CMD_NOARGS,     cmd_config },
  71         { "cstatus",    CMD_NOARGS,     cmd_cstatus },
  72         { "detach",     CMD_DISKS,      cmd_detach },
  73         { "rebuild",    0,              cmd_rebuild },
  74         { "rescan",     CMD_NOARGS,     cmd_rescan },
  75         { "status",     CMD_DISKS,      cmd_status },
  76 };
  77
  78 int
  79 main(int argc, char **argv)
  80 {
  81         const struct cmd *cmd, *maxcmd;
  82         const char *cmdname, *dv;
  83         int ch, i, rv, all;
  84
  85         all = 0;
  86         dv = "/dev/mlx0";
  87         mlx_disk_init();
  88
  89         while ((ch = getopt(argc, argv, "af:v")) != -1) {
  90                 switch (ch) {
  91                 case 'a':
  92                         all = 1;
  93                         break;
  94
  95                 case 'f':
  96                         dv = optarg;
  97                         break;
  98
  99                 case 'v':
 100                         verbosity++;
 101                         break;
 102
 103                 default:
 104                         usage();
 105                         /* NOTREACHED */
 106                 }
 107         }
 108
 109         if ((cmdname = argv[optind++]) == NULL)
 110                 usage();
 111
 112         for (i = 0; dv[i] != '\0'; i++)
 113                 if (dv[i] == '/')
 114                         mlxname = &dv[i + 1];
 115
 116         if ((mlxfd = open(dv, O_RDWR)) < 0)
 117                 err(EXIT_FAILURE, "%s", dv);
 118
 119         cmd = &cmdtab[0];
 120         maxcmd = &cmdtab[sizeof(cmdtab) / sizeof(cmdtab[0])];
 121         while (cmd < maxcmd) {
 122                 if (strcmp(cmdname, cmd->label) == 0)
 123                         break;
 124                 cmd++;
 125         }
 126         if (cmd == maxcmd)
 127                 usage();
 128
 129         if (ioctl(mlxfd, MLX_GET_CINFO, &ci))
 130                 err(EXIT_FAILURE, "ioctl(MLX_GET_CINFO)");
 131
 132         if ((cmd->flags & CMD_DISKS) != 0) {
 133                 if (all)
 134                         mlx_disk_add_all();
 135
 136                 while (argv[optind] != NULL)
 137                         mlx_disk_add(argv[optind++]);
 138                 if (mlx_disk_empty())
 139                         errx(EXIT_FAILURE,
 140                             "no logical drives attached to this controller");
 141         } else if ((cmd->flags & CMD_NOARGS) != 0)
 142                 if (argv[optind] != NULL)
 143                         usage();
 144
 145         rv = (*cmd->func)(&argv[optind]);
 146         close(mlxfd);
 147         exit(rv);
 148         /* NOTREACHED */
 149 }
 150
 151 void
 152 usage(void)
 153 {
 154
 155         (void)fprintf(stderr, "usage: %s [-f dev] [-av] command [...]\n",
 156             getprogname());
 157         exit(EXIT_FAILURE);
 158         /* NOTREACHED */
 159 }