/*      $NetBSD: main.c,v 1.7 2008/04/28 20:24:17 martin Exp $  */

/*-
 * Copyright (c) 2001, 2002 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Andrew Doran.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef lint
#include <sys/cdefs.h>
__RCSID("$NetBSD: main.c,v 1.7 2008/04/28 20:24:17 martin Exp $");
#endif /* not lint */

#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/queue.h>

#include <dev/ic/mlxreg.h>
#include <dev/ic/mlxio.h>

#include <err.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include "extern.h"

const char      *mlxname;
const char      *memf;
const char      *nlistf;
struct  mlx_cinfo ci;
int     mlxfd = -1;
int     verbosity;

struct cmd {
        const char      *label;
        int     flags;
        int     (*func)(char **);
};
#define CMD_DISKS       0x01
#define CMD_NOARGS      0x02

static const struct cmd cmdtab[] = {
        { "check",      CMD_DISKS,      cmd_check },
        { "config",     CMD_NOARGS,     cmd_config },
        { "cstatus",    CMD_NOARGS,     cmd_cstatus },
        { "detach",     CMD_DISKS,      cmd_detach },
        { "rebuild",    0,              cmd_rebuild },
        { "rescan",     CMD_NOARGS,     cmd_rescan },
        { "status",     CMD_DISKS,      cmd_status },
};

int
main(int argc, char **argv)
{
        const struct cmd *cmd, *maxcmd;
        const char *cmdname, *dv;
        int ch, i, rv, all;

        all = 0;
        dv = "/dev/mlx0";
        mlx_disk_init();

        while ((ch = getopt(argc, argv, "af:v")) != -1) {
                switch (ch) {
                case 'a':
                        all = 1;
                        break;

                case 'f':
                        dv = optarg;
                        break;

                case 'v':
                        verbosity++;
                        break;

                default:
                        usage();
                        /* NOTREACHED */
                }
        }

        if ((cmdname = argv[optind++]) == NULL)
                usage();

        for (i = 0; dv[i] != '\0'; i++)
                if (dv[i] == '/')
                        mlxname = &dv[i + 1];

        if ((mlxfd = open(dv, O_RDWR)) < 0)
                err(EXIT_FAILURE, "%s", dv);

        cmd = &cmdtab[0];
        maxcmd = &cmdtab[sizeof(cmdtab) / sizeof(cmdtab[0])];
        while (cmd < maxcmd) {
                if (strcmp(cmdname, cmd->label) == 0)
                        break;
                cmd++;
        }
        if (cmd == maxcmd)
                usage();

        if (ioctl(mlxfd, MLX_GET_CINFO, &ci))
                err(EXIT_FAILURE, "ioctl(MLX_GET_CINFO)");

        if ((cmd->flags & CMD_DISKS) != 0) {
                if (all)
                        mlx_disk_add_all();

                while (argv[optind] != NULL)
                        mlx_disk_add(argv[optind++]);
                if (mlx_disk_empty())
                        errx(EXIT_FAILURE,
                            "no logical drives attached to this controller");
        } else if ((cmd->flags & CMD_NOARGS) != 0)
                if (argv[optind] != NULL)
                        usage();

        rv = (*cmd->func)(&argv[optind]);
        close(mlxfd);
        exit(rv);
        /* NOTREACHED */
}

void
usage(void)
{

        (void)fprintf(stderr, "usage: %s [-f dev] [-av] command [...]\n",
            getprogname());
        exit(EXIT_FAILURE);
        /* NOTREACHED */
}