/*      $NetBSD: pdinfo.h,v 1.3 2008/04/28 20:23:18 martin 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.
 */

#ifndef _EWS4800MIPS_PDINFO_H_
#define _EWS4800MIPS_PDINFO_H_

/* Phisical Disk INFOrmation */

#define PDINFO_SECTOR           8               /* sector */
#define PDINFO_MAGIC            0xca5e600d
#define PDINFO_VERSION          2

struct disk_geometory {
        uint32_t cylinders_per_drive;           /* 24 */
        uint32_t tracks_per_cylinder;           /* 28 */
        uint32_t sectors_per_track;             /* 32 */
        uint32_t bytes_per_sector;              /* 36 */
} __attribute__((__packed__));

/* UX internal use */
struct disk_ux {
        uint32_t errorlog_sector;               /* 44 */
        uint32_t errorlog_size_byte;            /* 48 */
        uint32_t mfg_sector;                    /* 52 */
        uint32_t mfg_size_byte;                 /* 56 */
        uint32_t defect_sector;                 /* 60 */
        uint32_t defect_size_byte;              /* 64 */
        uint32_t n_relocation_area;             /* 68 */
        uint32_t relocation_area_sector;        /* 72 */
        uint32_t relocation_area_size_byte;     /* 76 */
        uint32_t next_relocation_area;          /* 80 */
        uint32_t diag_sector;                   /* 84 */
        uint32_t diag_size;                     /* 88 */
        uint32_t gap_size;                      /* 92 */
} __attribute__((__packed__));

/* Sector image */
struct pdinfo_sector {
        uint32_t drive_id;                      /* 0 */
        uint32_t magic;                         /* 4 */
        uint32_t version;                       /* 8 */
        int8_t device_serial_number[12];        /* 12 */
        struct disk_geometory geometory;        /* 24 */
        uint32_t logical_sector;                /* 40 */
        struct disk_ux ux;                      /* 44 */
        uint32_t device_depend[104];            /* 96 */
} __attribute__((__packed__));                  /* 512 byte */

#if defined(_KERNEL) || defined(_STANDALONE)
bool pdinfo_sector(void *, struct pdinfo_sector *);
bool pdinfo_sanity(const struct pdinfo_sector *);
bool pdinfo_valid(const struct pdinfo_sector *);
#endif

#endif /* _EWS4800MIPS_PDINFO_H_ */