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      1 /*	$NetBSD: pdinfo.h,v 1.3 2008/04/28 20:23:18 martin Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2004 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by UCHIYAMA Yasushi.
      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 _EWS4800MIPS_PDINFO_H_
     33 #define	_EWS4800MIPS_PDINFO_H_
     34 
     35 /* Phisical Disk INFOrmation */
     36 
     37 #define	PDINFO_SECTOR		8		/* sector */
     38 #define	PDINFO_MAGIC		0xca5e600d
     39 #define	PDINFO_VERSION		2
     40 
     41 struct disk_geometory {
     42 	uint32_t cylinders_per_drive;		/* 24 */
     43 	uint32_t tracks_per_cylinder;		/* 28 */
     44 	uint32_t sectors_per_track;		/* 32 */
     45 	uint32_t bytes_per_sector;		/* 36 */
     46 } __attribute__((__packed__));
     47 
     48 /* UX internal use */
     49 struct disk_ux {
     50 	uint32_t errorlog_sector;		/* 44 */
     51 	uint32_t errorlog_size_byte;		/* 48 */
     52 	uint32_t mfg_sector;			/* 52 */
     53 	uint32_t mfg_size_byte;			/* 56 */
     54 	uint32_t defect_sector;			/* 60 */
     55 	uint32_t defect_size_byte;		/* 64 */
     56 	uint32_t n_relocation_area;		/* 68 */
     57 	uint32_t relocation_area_sector;	/* 72 */
     58 	uint32_t relocation_area_size_byte;	/* 76 */
     59 	uint32_t next_relocation_area;		/* 80 */
     60 	uint32_t diag_sector;			/* 84 */
     61 	uint32_t diag_size;			/* 88 */
     62 	uint32_t gap_size;			/* 92 */
     63 } __attribute__((__packed__));
     64 
     65 /* Sector image */
     66 struct pdinfo_sector {
     67 	uint32_t drive_id;			/* 0 */
     68 	uint32_t magic;				/* 4 */
     69 	uint32_t version;			/* 8 */
     70 	int8_t device_serial_number[12];	/* 12 */
     71 	struct disk_geometory geometory;	/* 24 */
     72 	uint32_t logical_sector;		/* 40 */
     73 	struct disk_ux ux;			/* 44 */
     74 	uint32_t device_depend[104];		/* 96 */
     75 } __attribute__((__packed__));			/* 512 byte */
     76 
     77 #if defined(_KERNEL) || defined(_STANDALONE)
     78 bool pdinfo_sector(void *, struct pdinfo_sector *);
     79 bool pdinfo_sanity(const struct pdinfo_sector *);
     80 bool pdinfo_valid(const struct pdinfo_sector *);
     81 #endif
     82 
     83 #endif /* _EWS4800MIPS_PDINFO_H_ */
     84