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Diffstat (limited to 'static/netbsd/man9/flash.9')
| -rw-r--r-- | static/netbsd/man9/flash.9 | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/static/netbsd/man9/flash.9 b/static/netbsd/man9/flash.9 new file mode 100644 index 00000000..a6e060ca --- /dev/null +++ b/static/netbsd/man9/flash.9 @@ -0,0 +1,86 @@ +.\" $NetBSD: flash.9,v 1.5 2014/03/18 18:20:40 riastradh 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 +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR +.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES +.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, +.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, +.\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED +.\" AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +.\" OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.Dd March 31, 2011 +.Dt FLASH 9 +.Os +.Sh NAME +.Nm flash +.Nd subsystem for flash-like memory devices +.Sh SYNOPSIS +.In dev/flash/flash.h +.Ft device_t +.Fn flash_attach_mi "const struct flash_interface *fl" "device_t dev" +.Sh DESCRIPTION +Flash-like devices can register themselves to the +.Nm +layer with the +.Fa flash_hw_if +structure. +This structure has function pointers and other fields. +.Pp +The attachment can be done by calling +.Fn flash_attach_mi +with this structure and the device's +.Vt device_t +as an argument. +Return value is the flash layer device. +The +.Fa flash_interface +structure is shown below. +.Bd -literal +struct flash_interface { + int (*erase) (device_t, struct flash_erase_instruction *); + int (*read) (device_t, off_t, size_t, size_t *, uint8_t *); + int (*write) (device_t, off_t, size_t, size_t *, const uint8_t *); + int (*block_markbad)(device_t, uint64_t); + int (*block_isbad)(device_t, uint64_t); + int (*sync) (device_t); + + int (*submit)(device_t, struct buf *); + + /* storage for partition info */ + struct flash_partition partition; + + /* total size of mtd */ + flash_addr_t size; + uint32_t page_size; + uint32_t erasesize; + uint32_t writesize; + uint32_t minor; + uint8_t type; +}; +.Ed +.Sh SEE ALSO +.Xr flash 4 , +.Xr nand 9 +.Sh AUTHORS +.An Adam Hoka Aq Mt ahoka@NetBSD.org |