1 /* $NetBSD: pdinfo.c,v 1.5 2014/01/22 16:32:09 christos 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 #include <sys/cdefs.h>
33 __KERNEL_RCSID(0, "$NetBSD: pdinfo.c,v 1.5 2014/01/22 16:32:09 christos Exp $");
34
35 #include <sys/types.h>
36 #include <sys/systm.h>
37
38 #ifndef _KERNEL
39 #include "local.h"
40 #endif
41
42 #ifdef PDINFO_DEBUG
43 #define DPRINTF(fmt, args...) printf(fmt, ##args)
44 #else
45 #define DPRINTF(arg...) ((void)0)
46 #endif
47
48 #include <machine/sector.h>
49 #include <machine/pdinfo.h>
50
51 bool
pdinfo_sector(void * rwops,struct pdinfo_sector * pdinfo)52 pdinfo_sector(void *rwops, struct pdinfo_sector *pdinfo)
53 {
54
55 if (!sector_read(rwops, (void *)pdinfo, PDINFO_SECTOR))
56 return false;
57
58 if (!pdinfo_sanity(pdinfo))
59 return false;
60
61 return true;
62 }
63
64 bool
pdinfo_valid(const struct pdinfo_sector * disk)65 pdinfo_valid(const struct pdinfo_sector *disk)
66 {
67
68 return disk->magic == PDINFO_MAGIC;
69 }
70
71 bool
pdinfo_sanity(const struct pdinfo_sector * disk)72 pdinfo_sanity(const struct pdinfo_sector *disk)
73 {
74
75 if (!pdinfo_valid(disk)) {
76 DPRINTF("no physical disk info.\n");
77 return false;
78 }
79
80 #ifdef PDINFO_DEBUG
81 const struct disk_geometory *geom = &disk->geometory;
82 const struct disk_ux *ux = &disk->ux;
83 #endif
84 DPRINTF("physical disk sector size %dbyte\n", sizeof *disk);
85 DPRINTF("[disk]\n");
86 DPRINTF("drive_id = %#x\n", disk->drive_id);
87 DPRINTF("magic = %#x\n", disk->magic);
88 DPRINTF("version = %d\n", disk->version);
89 DPRINTF("serial # %s\n", disk->device_serial_number);
90 #define _(x) DPRINTF(#x " = %d\n", geom->x);
91 _(cylinders_per_drive);
92 _(tracks_per_cylinder);
93 _(sectors_per_track);
94 _(bytes_per_sector);
95 #undef _
96 DPRINTF("logical_sector = %d\n", disk->logical_sector);
97 #define _(x) DPRINTF(#x " = %d\n", ux->x);
98 _(errorlog_sector);
99 _(errorlog_size_byte);
100 _(mfg_sector);
101 _(mfg_size_byte);
102 _(defect_sector);
103 _(defect_size_byte);
104 _(n_relocation_area);
105 _(relocation_area_sector);
106 _(relocation_area_size_byte);
107 _(next_relocation_area);
108 _(diag_sector);
109 _(diag_size);
110 _(gap_size);
111 #undef _
112 /* undocumented region */
113 {
114 int i, j;
115 DPRINTF("--reserved--\n");
116 for (i = 0, j = 1; i < 104; i++, j++) {
117 DPRINTF("[%3d]%8x ", i, disk->device_depend[i]);
118 if (j == 8) {
119 DPRINTF("\n");
120 j = 0;
121 }
122 }
123 }
124
125 return true;
126 }
127