.\"	$NetBSD: flash.4,v 1.5 2013/08/06 19:02:57 snj Exp $
.\"
.\" Copyright (c) 2010 Department of Software Engineering,
.\"		      University of Szeged, Hungary
.\" Copyright (c) 2010 Adam Hoka <ahoka@NetBSD.org>
.\" All rights reserved.
.\"
.\" This code is derived from software contributed to The NetBSD Foundation
.\" by the Department of Software Engineering, University of Szeged, Hungary
.\"
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.Dd January 21, 2010
.Dt FLASH 4
.Os
.Sh NAME
.Nm flash
.Nd device-independent flash layer
.Sh SYNOPSIS
.In sys/flash.h
.Sh DESCRIPTION
The
.Nm
driver provides a device-independent interface for using flash memory.
.Pp
The following
.Xr ioctl 2
operations are supported on
.Pa /dev/flash :
.Bl -tag -width indent
.It Dv FLASH_BLOCK_ISBAD (struct flash_badblock_params)
This command checks if a block is marked as bad.
.It Dv FLASH_BLOCK_MARKBAD (struct flash_badblock_params)
This command marks a block as bad.
.It Dv FLASH_DUMP (struct flash_dump_params)
This command dumps a block.
.It Dv FLASH_ERASE_BLOCK (struct flash_erase_params)
This command erases one or more blocks.
.It Dv FLASH_GET_INFO (struct flash_info_params)
This command acquires information about the flash device.
.El
.Sh FILES
.Bl -tag -width /dev/flash -compact
.It Pa /dev/flash
.El
.Sh SEE ALSO
.Xr flash 9 ,
.Xr nand 9
.Sh AUTHORS
.An Adam Hoka Aq Mt ahoka@NetBSD.org