/*      $NetBSD: pdinfo.c,v 1.5 2014/01/22 16:32:09 christos Exp $      */

/*-
 * Copyright (c) 2004 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by UCHIYAMA Yasushi.
 *
 * 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.
 */

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pdinfo.c,v 1.5 2014/01/22 16:32:09 christos Exp $");

#include <sys/types.h>
#include <sys/systm.h>

#ifndef _KERNEL
#include "local.h"
#endif

#ifdef PDINFO_DEBUG
#define DPRINTF(fmt, args...)   printf(fmt, ##args)
#else
#define DPRINTF(arg...)         ((void)0)
#endif

#include <machine/sector.h>
#include <machine/pdinfo.h>

bool
pdinfo_sector(void *rwops, struct pdinfo_sector *pdinfo)
{

        if (!sector_read(rwops, (void *)pdinfo, PDINFO_SECTOR))
                return false;

        if (!pdinfo_sanity(pdinfo))
                return false;

        return true;
}

bool
pdinfo_valid(const struct pdinfo_sector *disk)
{

        return disk->magic == PDINFO_MAGIC;
}

bool
pdinfo_sanity(const struct pdinfo_sector *disk)
{

        if (!pdinfo_valid(disk)) {
                DPRINTF("no physical disk info.\n");
                return false;
        }

#ifdef PDINFO_DEBUG
        const struct disk_geometory *geom = &disk->geometory;
        const struct disk_ux *ux = &disk->ux;
#endif
        DPRINTF("physical disk sector size %dbyte\n", sizeof *disk);
        DPRINTF("[disk]\n");
        DPRINTF("drive_id = %#x\n", disk->drive_id);
        DPRINTF("magic = %#x\n", disk->magic);
        DPRINTF("version = %d\n", disk->version);
        DPRINTF("serial # %s\n", disk->device_serial_number);
#define _(x)    DPRINTF(#x " = %d\n", geom->x);
        _(cylinders_per_drive);
        _(tracks_per_cylinder);
        _(sectors_per_track);
        _(bytes_per_sector);
#undef _
        DPRINTF("logical_sector = %d\n", disk->logical_sector);
#define _(x)    DPRINTF(#x " = %d\n", ux->x);
        _(errorlog_sector);
        _(errorlog_size_byte);
        _(mfg_sector);
        _(mfg_size_byte);
        _(defect_sector);
        _(defect_size_byte);
        _(n_relocation_area);
        _(relocation_area_sector);
        _(relocation_area_size_byte);
        _(next_relocation_area);
        _(diag_sector);
        _(diag_size);
        _(gap_size);
#undef _
        /* undocumented region */
        {
                int i, j;
                DPRINTF("--reserved--\n");
                for (i = 0, j = 1; i < 104; i++, j++) {
                        DPRINTF("[%3d]%8x ", i, disk->device_depend[i]);
                        if (j == 8) {
                                DPRINTF("\n");
                                j = 0;
                        }
                }
        }

        return true;
}