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      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
     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
     65 pdinfo_valid(const struct pdinfo_sector *disk)
     66 {
     67 
     68 	return disk->magic == PDINFO_MAGIC;
     69 }
     70 
     71 bool
     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