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