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Back out previous -- it is used in userland right now.

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This commit is contained in:
thorpej 2006-10-26 13:54:46 +00:00
parent 93c897b7ab
commit f815ec900f
1 changed files with 25 additions and 1 deletions
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26
sys/sys/disk.h
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@ -1,4 +1,4 @@
/* $NetBSD: disk.h,v 1.40 2006/10/26 05:23:44 thorpej Exp $ */
/* $NetBSD: disk.h,v 1.41 2006/10/26 13:54:46 thorpej Exp $ */
/*-
* Copyright (c) 1996, 1997, 2004 The NetBSD Foundation, Inc.
@ -261,6 +261,30 @@ __link_set_add_data(dkwedge_methods, name ## _ddm)
* NOTE: Not all geometry information is relevant for every kind of disk.
*/
struct disk_geom {
int64_t dg_secperunit; /* # of data sectors per unit */
uint32_t dg_secsize; /* # of bytes per sector */
uint32_t dg_nsectors; /* # of data sectors per track */
uint32_t dg_ntracks; /* # of tracks per cylinder */
uint32_t dg_ncylinders; /* # of data cylinders per unit */
uint32_t dg_secpercyl; /* # of data sectors per cylinder */
uint32_t dg_pcylinders; /* # of physical cylinders per unit */
/*
* Spares (bad sector replacements) below are not counted in
* dg_nsectors or dg_secpercyl. Spare sectors are assumed to
* be physical sectors which occupy space at the end of each
* track and/or cylinder.
*/
uint32_t dg_sparespertrack;
uint32_t dg_sparespercyl;
/*
* Alternative cylinders include maintenance, replacement,
* configuration description areas, etc.
*/
uint32_t dg_acylinders;
};
/*
* Disk partition dictionary.
*