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# sunxi checkpatch conf
# ignore message types
--ignore=FILE_PATH_CHANGES

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Christoph Hellwig <hch@lst.de>

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#
# This list is used by git-shortlog to fix a few botched name translations
# in the git archive, either because the author's full name was messed up
# and/or not always written the same way, making contributions from the
# same person appearing not to be so or badly displayed.
#
# repo-abbrev: /pub/scm/linux/kernel/git/
#
Aaron Durbin <adurbin@google.com>
Adam Oldham <oldhamca@gmail.com>
Adam Radford <aradford@gmail.com>
Adrian Bunk <bunk@stusta.de>
Alan Cox <alan@lxorguk.ukuu.org.uk>
Alan Cox <root@hraefn.swansea.linux.org.uk>
Aleksey Gorelov <aleksey_gorelov@phoenix.com>
Al Viro <viro@ftp.linux.org.uk>
Al Viro <viro@zenIV.linux.org.uk>
Andreas Herrmann <aherrman@de.ibm.com>
Andrey Ryabinin <ryabinin.a.a@gmail.com> <a.ryabinin@samsung.com>
Andrew Morton <akpm@linux-foundation.org>
Andrew Vasquez <andrew.vasquez@qlogic.com>
Andy Adamson <andros@citi.umich.edu>
Archit Taneja <archit@ti.com>
Arnaud Patard <arnaud.patard@rtp-net.org>
Arnd Bergmann <arnd@arndb.de>
Axel Dyks <xl@xlsigned.net>
Axel Lin <axel.lin@gmail.com>
Ben Gardner <bgardner@wabtec.com>
Ben M Cahill <ben.m.cahill@intel.com>
Björn Steinbrink <B.Steinbrink@gmx.de>
Brian Avery <b.avery@hp.com>
Brian King <brking@us.ibm.com>
Christoph Hellwig <hch@lst.de>
Corey Minyard <minyard@acm.org>
Damian Hobson-Garcia <dhobsong@igel.co.jp>
David Brownell <david-b@pacbell.net>
David Woodhouse <dwmw2@shinybook.infradead.org>
Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Domen Puncer <domen@coderock.org>
Douglas Gilbert <dougg@torque.net>
Ed L. Cashin <ecashin@coraid.com>
Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Felipe W Damasio <felipewd@terra.com.br>
Felix Kuhling <fxkuehl@gmx.de>
Felix Moeller <felix@derklecks.de>
Filipe Lautert <filipe@icewall.org>
Franck Bui-Huu <vagabon.xyz@gmail.com>
Frank Zago <fzago@systemfabricworks.com>
Greg Kroah-Hartman <greg@echidna.(none)>
Greg Kroah-Hartman <gregkh@suse.de>
Greg Kroah-Hartman <greg@kroah.com>
Henk Vergonet <Henk.Vergonet@gmail.com>
Henrik Kretzschmar <henne@nachtwindheim.de>
Henrik Rydberg <rydberg@bitmath.org>
Herbert Xu <herbert@gondor.apana.org.au>
Jacob Shin <Jacob.Shin@amd.com>
James Bottomley <jejb@mulgrave.(none)>
James Bottomley <jejb@titanic.il.steeleye.com>
James E Wilson <wilson@specifix.com>
James Ketrenos <jketreno@io.(none)>
<javier@osg.samsung.com> <javier.martinez@collabora.co.uk>
Jean Tourrilhes <jt@hpl.hp.com>
Jeff Garzik <jgarzik@pretzel.yyz.us>
Jens Axboe <axboe@suse.de>
Jens Osterkamp <Jens.Osterkamp@de.ibm.com>
John Stultz <johnstul@us.ibm.com>
<josh@joshtriplett.org> <josh@freedesktop.org>
<josh@joshtriplett.org> <josh@kernel.org>
<josh@joshtriplett.org> <josht@linux.vnet.ibm.com>
<josh@joshtriplett.org> <josht@us.ibm.com>
<josh@joshtriplett.org> <josht@vnet.ibm.com>
Juha Yrjola <at solidboot.com>
Juha Yrjola <juha.yrjola@nokia.com>
Juha Yrjola <juha.yrjola@solidboot.com>
Kay Sievers <kay.sievers@vrfy.org>
Kenneth W Chen <kenneth.w.chen@intel.com>
Konstantin Khlebnikov <koct9i@gmail.com> <k.khlebnikov@samsung.com>
Koushik <raghavendra.koushik@neterion.com>
Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Leonid I Ananiev <leonid.i.ananiev@intel.com>
Linas Vepstas <linas@austin.ibm.com>
Mark Brown <broonie@sirena.org.uk>
Matthieu CASTET <castet.matthieu@free.fr>
Mayuresh Janorkar <mayur@ti.com>
Michael Buesch <m@bues.ch>
Michel Dänzer <michel@tungstengraphics.com>
Mitesh shah <mshah@teja.com>
Mohit Kumar <mohit.kumar@st.com> <mohit.kumar.dhaka@gmail.com>
Morten Welinder <terra@gnome.org>
Morten Welinder <welinder@anemone.rentec.com>
Morten Welinder <welinder@darter.rentec.com>
Morten Welinder <welinder@troll.com>
Mythri P K <mythripk@ti.com>
Nguyen Anh Quynh <aquynh@gmail.com>
Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Patrick Mochel <mochel@digitalimplant.org>
Peter A Jonsson <pj@ludd.ltu.se>
Peter Oruba <peter@oruba.de>
Peter Oruba <peter.oruba@amd.com>
Pratyush Anand <pratyush.anand@gmail.com> <pratyush.anand@st.com>
Praveen BP <praveenbp@ti.com>
Rajesh Shah <rajesh.shah@intel.com>
Ralf Baechle <ralf@linux-mips.org>
Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
Randy Dunlap <rdunlap@infradead.org> <rdunlap@xenotime.net>
Rémi Denis-Courmont <rdenis@simphalempin.com>
Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Rudolf Marek <R.Marek@sh.cvut.cz>
Rui Saraiva <rmps@joel.ist.utl.pt>
Sachin P Sant <ssant@in.ibm.com>
Sam Ravnborg <sam@mars.ravnborg.org>
Santosh Shilimkar <ssantosh@kernel.org>
Santosh Shilimkar <santosh.shilimkar@oracle.org>
Sascha Hauer <s.hauer@pengutronix.de>
S.Çağlar Onur <caglar@pardus.org.tr>
Shiraz Hashim <shiraz.linux.kernel@gmail.com> <shiraz.hashim@st.com>
Simon Kelley <simon@thekelleys.org.uk>
Stéphane Witzmann <stephane.witzmann@ubpmes.univ-bpclermont.fr>
Stephen Hemminger <shemminger@osdl.org>
Sudeep Holla <sudeep.holla@arm.com> Sudeep KarkadaNagesha <sudeep.karkadanagesha@arm.com>
Sumit Semwal <sumit.semwal@ti.com>
Tejun Heo <htejun@gmail.com>
Thomas Graf <tgraf@suug.ch>
Tony Luck <tony.luck@intel.com>
Tsuneo Yoshioka <Tsuneo.Yoshioka@f-secure.com>
Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de>
Uwe Kleine-König <ukl@pengutronix.de>
Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
Valdis Kletnieks <Valdis.Kletnieks@vt.edu>
Viresh Kumar <vireshk@kernel.org> <viresh.kumar@st.com>
Viresh Kumar <vireshk@kernel.org> <viresh.linux@gmail.com>
Viresh Kumar <vireshk@kernel.org> <viresh.kumar2@arm.com>
Takashi YOSHII <takashi.yoshii.zj@renesas.com>
Yusuke Goda <goda.yusuke@renesas.com>
Gustavo Padovan <gustavo@las.ic.unicamp.br>
Gustavo Padovan <padovan@profusion.mobi>

356
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NOTE! This copyright does *not* cover user programs that use kernel
services by normal system calls - this is merely considered normal use
of the kernel, and does *not* fall under the heading of "derived work".
Also note that the GPL below is copyrighted by the Free Software
Foundation, but the instance of code that it refers to (the Linux
kernel) is copyrighted by me and others who actually wrote it.
Also note that the only valid version of the GPL as far as the kernel
is concerned is _this_ particular version of the license (ie v2, not
v2.2 or v3.x or whatever), unless explicitly otherwise stated.
Linus Torvalds
----------------------------------------
GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.
51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The licenses for most software are designed to take away your
freedom to share and change it. By contrast, the GNU General Public
License is intended to guarantee your freedom to share and change free
software--to make sure the software is free for all its users. This
General Public License applies to most of the Free Software
Foundation's software and to any other program whose authors commit to
using it. (Some other Free Software Foundation software is covered by
the GNU Library General Public License instead.) You can apply it to
your programs, too.
When we speak of free software, we are referring to freedom, not
price. Our General Public Licenses are designed to make sure that you
have the freedom to distribute copies of free software (and charge for
this service if you wish), that you receive source code or can get it
if you want it, that you can change the software or use pieces of it
in new free programs; and that you know you can do these things.
To protect your rights, we need to make restrictions that forbid
anyone to deny you these rights or to ask you to surrender the rights.
These restrictions translate to certain responsibilities for you if you
distribute copies of the software, or if you modify it.
For example, if you distribute copies of such a program, whether
gratis or for a fee, you must give the recipients all the rights that
you have. You must make sure that they, too, receive or can get the
source code. And you must show them these terms so they know their
rights.
We protect your rights with two steps: (1) copyright the software, and
(2) offer you this license which gives you legal permission to copy,
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Also, for each author's protection and ours, we want to make certain
that everyone understands that there is no warranty for this free
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Finally, any free program is threatened constantly by software
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program proprietary. To prevent this, we have made it clear that any
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The precise terms and conditions for copying, distribution and
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GNU GENERAL PUBLIC LICENSE
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
0. This License applies to any program or other work which contains
a notice placed by the copyright holder saying it may be distributed
under the terms of this General Public License. The "Program", below,
refers to any such program or work, and a "work based on the Program"
means either the Program or any derivative work under copyright law:
that is to say, a work containing the Program or a portion of it,
either verbatim or with modifications and/or translated into another
language. (Hereinafter, translation is included without limitation in
the term "modification".) Each licensee is addressed as "you".
Activities other than copying, distribution and modification are not
covered by this License; they are outside its scope. The act of
running the Program is not restricted, and the output from the Program
is covered only if its contents constitute a work based on the
Program (independent of having been made by running the Program).
Whether that is true depends on what the Program does.
1. You may copy and distribute verbatim copies of the Program's
source code as you receive it, in any medium, provided that you
conspicuously and appropriately publish on each copy an appropriate
copyright notice and disclaimer of warranty; keep intact all the
notices that refer to this License and to the absence of any warranty;
and give any other recipients of the Program a copy of this License
along with the Program.
You may charge a fee for the physical act of transferring a copy, and
you may at your option offer warranty protection in exchange for a fee.
2. You may modify your copy or copies of the Program or any portion
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distribute such modifications or work under the terms of Section 1
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a) You must cause the modified files to carry prominent notices
stating that you changed the files and the date of any change.
b) You must cause any work that you distribute or publish, that in
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part thereof, to be licensed as a whole at no charge to all third
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c) If the modified program normally reads commands interactively
when run, you must cause it, when started running for such
interactive use in the most ordinary way, to print or display an
announcement including an appropriate copyright notice and a
notice that there is no warranty (or else, saying that you provide
a warranty) and that users may redistribute the program under
these conditions, and telling the user how to view a copy of this
License. (Exception: if the Program itself is interactive but
does not normally print such an announcement, your work based on
the Program is not required to print an announcement.)
These requirements apply to the modified work as a whole. If
identifiable sections of that work are not derived from the Program,
and can be reasonably considered independent and separate works in
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distribute the same sections as part of a whole which is a work based
on the Program, the distribution of the whole must be on the terms of
this License, whose permissions for other licensees extend to the
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exercise the right to control the distribution of derivative or
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may not distribute the Program at all. For example, if a patent
license would not permit royalty-free redistribution of the Program by
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implemented by public license practices. Many people have made
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through that system in reliance on consistent application of that
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This section is intended to make thoroughly clear what is believed to
be a consequence of the rest of this License.
8. If the distribution and/or use of the Program is restricted in
certain countries either by patents or by copyrighted interfaces, the
original copyright holder who places the Program under this License
may add an explicit geographical distribution limitation excluding
those countries, so that distribution is permitted only in or among
countries not thus excluded. In such case, this License incorporates
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of the General Public License from time to time. Such new versions will
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Each version is given a distinguishing version number. If the Program
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either of that version or of any later version published by the Free
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Foundation.
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programs whose distribution conditions are different, write to the author
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NO WARRANTY
11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
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PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
REPAIR OR CORRECTION.
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WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
convey the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this
when it starts in an interactive mode:
Gnomovision version 69, Copyright (C) year name of author
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, the commands you use may
be called something other than `show w' and `show c'; they could even be
mouse-clicks or menu items--whatever suits your program.
You should also get your employer (if you work as a programmer) or your
school, if any, to sign a "copyright disclaimer" for the program, if
necessary. Here is a sample; alter the names:
Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
proprietary programs. If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Library General
Public License instead of this License.

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This is a brief list of all the files in ./linux/Documentation and what
they contain. If you add a documentation file, please list it here in
alphabetical order as well, or risk being hunted down like a rabid dog.
Please keep the descriptions small enough to fit on one line.
Thanks -- Paul G.
Following translations are available on the WWW:
- Japanese, maintained by the JF Project (jf@listserv.linux.or.jp), at
http://linuxjf.sourceforge.jp/
00-INDEX
- this file.
ABI/
- info on kernel <-> userspace ABI and relative interface stability.
BUG-HUNTING
- brute force method of doing binary search of patches to find bug.
Changes
- list of changes that break older software packages.
CodingStyle
- how the maintainers expect the C code in the kernel to look.
DMA-API.txt
- DMA API, pci_ API & extensions for non-consistent memory machines.
DMA-API-HOWTO.txt
- Dynamic DMA mapping Guide
DMA-ISA-LPC.txt
- How to do DMA with ISA (and LPC) devices.
DMA-attributes.txt
- listing of the various possible attributes a DMA region can have
DocBook/
- directory with DocBook templates etc. for kernel documentation.
EDID/
- directory with info on customizing EDID for broken gfx/displays.
HOWTO
- the process and procedures of how to do Linux kernel development.
IPMI.txt
- info on Linux Intelligent Platform Management Interface (IPMI) Driver.
IRQ-affinity.txt
- how to select which CPU(s) handle which interrupt events on SMP.
IRQ-domain.txt
- info on interrupt numbering and setting up IRQ domains.
IRQ.txt
- description of what an IRQ is.
Intel-IOMMU.txt
- basic info on the Intel IOMMU virtualization support.
Makefile
- some files in Documentation dir are actually sample code to build
ManagementStyle
- how to (attempt to) manage kernel hackers.
RCU/
- directory with info on RCU (read-copy update).
SAK.txt
- info on Secure Attention Keys.
SM501.txt
- Silicon Motion SM501 multimedia companion chip
SecurityBugs
- procedure for reporting security bugs found in the kernel.
SubmitChecklist
- Linux kernel patch submission checklist.
SubmittingDrivers
- procedure to get a new driver source included into the kernel tree.
SubmittingPatches
- procedure to get a source patch included into the kernel tree.
VGA-softcursor.txt
- how to change your VGA cursor from a blinking underscore.
accounting/
- documentation on accounting and taskstats.
acpi/
- info on ACPI-specific hooks in the kernel.
aoe/
- description of AoE (ATA over Ethernet) along with config examples.
applying-patches.txt
- description of various trees and how to apply their patches.
arm/
- directory with info about Linux on the ARM architecture.
arm64/
- directory with info about Linux on the 64 bit ARM architecture.
assoc_array.txt
- generic associative array intro.
atomic_ops.txt
- semantics and behavior of atomic and bitmask operations.
auxdisplay/
- misc. LCD driver documentation (cfag12864b, ks0108).
backlight/
- directory with info on controlling backlights in flat panel displays
bad_memory.txt
- how to use kernel parameters to exclude bad RAM regions.
basic_profiling.txt
- basic instructions for those who wants to profile Linux kernel.
bcache.txt
- Block-layer cache on fast SSDs to improve slow (raid) I/O performance.
binfmt_misc.txt
- info on the kernel support for extra binary formats.
blackfin/
- directory with documentation for the Blackfin arch.
block/
- info on the Block I/O (BIO) layer.
blockdev/
- info on block devices & drivers
braille-console.txt
- info on how to use serial devices for Braille support.
bt8xxgpio.txt
- info on how to modify a bt8xx video card for GPIO usage.
btmrvl.txt
- info on Marvell Bluetooth driver usage.
bus-devices/
- directory with info on TI GPMC (General Purpose Memory Controller)
bus-virt-phys-mapping.txt
- how to access I/O mapped memory from within device drivers.
cachetlb.txt
- describes the cache/TLB flushing interfaces Linux uses.
cdrom/
- directory with information on the CD-ROM drivers that Linux has.
cgroups/
- cgroups features, including cpusets and memory controller.
circular-buffers.txt
- how to make use of the existing circular buffer infrastructure
clk.txt
- info on the common clock framework
coccinelle.txt
- info on how to get and use the Coccinelle code checking tool.
connector/
- docs on the netlink based userspace<->kernel space communication mod.
console/
- documentation on Linux console drivers.
cpu-freq/
- info on CPU frequency and voltage scaling.
cpu-hotplug.txt
- document describing CPU hotplug support in the Linux kernel.
cpu-load.txt
- document describing how CPU load statistics are collected.
cpuidle/
- info on CPU_IDLE, CPU idle state management subsystem.
cputopology.txt
- documentation on how CPU topology info is exported via sysfs.
crc32.txt
- brief tutorial on CRC computation
cris/
- directory with info about Linux on CRIS architecture.
crypto/
- directory with info on the Crypto API.
dcdbas.txt
- information on the Dell Systems Management Base Driver.
debugging-modules.txt
- some notes on debugging modules after Linux 2.6.3.
debugging-via-ohci1394.txt
- how to use firewire like a hardware debugger memory reader.
dell_rbu.txt
- document demonstrating the use of the Dell Remote BIOS Update driver.
development-process/
- how to work with the mainline kernel development process.
device-mapper/
- directory with info on Device Mapper.
devices.txt
- plain ASCII listing of all the nodes in /dev/ with major minor #'s.
devicetree/
- directory with info on device tree files used by OF/PowerPC/ARM
digsig.txt
-info on the Digital Signature Verification API
dma-buf-sharing.txt
- the DMA Buffer Sharing API Guide
dontdiff
- file containing a list of files that should never be diff'ed.
driver-model/
- directory with info about Linux driver model.
dvb/
- info on Linux Digital Video Broadcast (DVB) subsystem.
dynamic-debug-howto.txt
- how to use the dynamic debug (dyndbg) feature.
early-userspace/
- info about initramfs, klibc, and userspace early during boot.
edac.txt
- information on EDAC - Error Detection And Correction
efi-stub.txt
- How to use the EFI boot stub to bypass GRUB or elilo on EFI systems.
eisa.txt
- info on EISA bus support.
email-clients.txt
- info on how to use e-mail to send un-mangled (git) patches.
extcon/
- directory with porting guide for Android kernel switch driver.
fault-injection/
- dir with docs about the fault injection capabilities infrastructure.
fb/
- directory with info on the frame buffer graphics abstraction layer.
filesystems/
- info on the vfs and the various filesystems that Linux supports.
firmware_class/
- request_firmware() hotplug interface info.
flexible-arrays.txt
- how to make use of flexible sized arrays in linux
fmc/
- information about the FMC bus abstraction
frv/
- Fujitsu FR-V Linux documentation.
futex-requeue-pi.txt
- info on requeueing of tasks from a non-PI futex to a PI futex
gcov.txt
- use of GCC's coverage testing tool "gcov" with the Linux kernel
gpio/
- gpio related documentation
hid/
- directory with information on human interface devices
highuid.txt
- notes on the change from 16 bit to 32 bit user/group IDs.
hsi.txt
- HSI subsystem overview.
hwspinlock.txt
- hardware spinlock provides hardware assistance for synchronization
timers/
- info on the timer related topics
hw_random.txt
- info on Linux support for random number generator in i8xx chipsets.
hwmon/
- directory with docs on various hardware monitoring drivers.
i2c/
- directory with info about the I2C bus/protocol (2 wire, kHz speed).
i2o/
- directory with info about the Linux I2O subsystem.
x86/i386/
- directory with info about Linux on Intel 32 bit architecture.
ia64/
- directory with info about Linux on Intel 64 bit architecture.
infiniband/
- directory with documents concerning Linux InfiniBand support.
init.txt
- what to do when the kernel can't find the 1st process to run.
initrd.txt
- how to use the RAM disk as an initial/temporary root filesystem.
input/
- info on Linux input device support.
intel_txt.txt
- info on intel Trusted Execution Technology (intel TXT).
io-mapping.txt
- description of io_mapping functions in linux/io-mapping.h
io_ordering.txt
- info on ordering I/O writes to memory-mapped addresses.
ioctl/
- directory with documents describing various IOCTL calls.
iostats.txt
- info on I/O statistics Linux kernel provides.
irqflags-tracing.txt
- how to use the irq-flags tracing feature.
isapnp.txt
- info on Linux ISA Plug & Play support.
isdn/
- directory with info on the Linux ISDN support, and supported cards.
java.txt
- info on the in-kernel binary support for Java(tm).
ja_JP/
- directory with Japanese translations of various documents
kbuild/
- directory with info about the kernel build process.
kdump/
- directory with mini HowTo on getting the crash dump code to work.
kernel-doc-nano-HOWTO.txt
- mini HowTo on generation and location of kernel documentation files.
kernel-docs.txt
- listing of various WWW + books that document kernel internals.
kernel-parameters.txt
- summary listing of command line / boot prompt args for the kernel.
kernel-per-CPU-kthreads.txt
- List of all per-CPU kthreads and how they introduce jitter.
kmemcheck.txt
- info on dynamic checker that detects uses of uninitialized memory.
kmemleak.txt
- info on how to make use of the kernel memory leak detection system
ko_KR/
- directory with Korean translations of various documents
kobject.txt
- info of the kobject infrastructure of the Linux kernel.
kprobes.txt
- documents the kernel probes debugging feature.
kref.txt
- docs on adding reference counters (krefs) to kernel objects.
kselftest.txt
- small unittests for (some) individual codepaths in the kernel.
laptops/
- directory with laptop related info and laptop driver documentation.
ldm.txt
- a brief description of LDM (Windows Dynamic Disks).
leds/
- directory with info about LED handling under Linux.
local_ops.txt
- semantics and behavior of local atomic operations.
locking/
- directory with info about kernel locking primitives
lockup-watchdogs.txt
- info on soft and hard lockup detectors (aka nmi_watchdog).
logo.gif
- full colour GIF image of Linux logo (penguin - Tux).
logo.txt
- info on creator of above logo & site to get additional images from.
lzo.txt
- kernel LZO decompressor input formats
m68k/
- directory with info about Linux on Motorola 68k architecture.
magic-number.txt
- list of magic numbers used to mark/protect kernel data structures.
mailbox.txt
- How to write drivers for the common mailbox framework (IPC).
md.txt
- info on boot arguments for the multiple devices driver.
media-framework.txt
- info on media framework, its data structures, functions and usage.
memory-barriers.txt
- info on Linux kernel memory barriers.
memory-devices/
- directory with info on parts like the Texas Instruments EMIF driver
memory-hotplug.txt
- Hotpluggable memory support, how to use and current status.
metag/
- directory with info about Linux on Meta architecture.
mips/
- directory with info about Linux on MIPS architecture.
misc-devices/
- directory with info about devices using the misc dev subsystem
mmc/
- directory with info about the MMC subsystem
mn10300/
- directory with info about the mn10300 architecture port
module-signing.txt
- Kernel module signing for increased security when loading modules.
mtd/
- directory with info about memory technology devices (flash)
mono.txt
- how to execute Mono-based .NET binaries with the help of BINFMT_MISC.
namespaces/
- directory with various information about namespaces
netlabel/
- directory with information on the NetLabel subsystem.
networking/
- directory with info on various aspects of networking with Linux.
nfc/
- directory relating info about Near Field Communications support.
nommu-mmap.txt
- documentation about no-mmu memory mapping support.
numastat.txt
- info on how to read Numa policy hit/miss statistics in sysfs.
oops-tracing.txt
- how to decode those nasty internal kernel error dump messages.
padata.txt
- An introduction to the "padata" parallel execution API
parisc/
- directory with info on using Linux on PA-RISC architecture.
parport.txt
- how to use the parallel-port driver.
parport-lowlevel.txt
- description and usage of the low level parallel port functions.
pcmcia/
- info on the Linux PCMCIA driver.
percpu-rw-semaphore.txt
- RCU based read-write semaphore optimized for locking for reading
phy.txt
- Description of the generic PHY framework.
pi-futex.txt
- documentation on lightweight priority inheritance futexes.
pinctrl.txt
- info on pinctrl subsystem and the PINMUX/PINCONF and drivers
pnp.txt
- Linux Plug and Play documentation.
power/
- directory with info on Linux PCI power management.
powerpc/
- directory with info on using Linux with the PowerPC.
prctl/
- directory with info on the priveledge control subsystem
preempt-locking.txt
- info on locking under a preemptive kernel.
printk-formats.txt
- how to get printk format specifiers right
pps/
- directory with information on the pulse-per-second support
ptp/
- directory with info on support for IEEE 1588 PTP clocks in Linux.
pwm.txt
- info on the pulse width modulation driver subsystem
ramoops.txt
- documentation of the ramoops oops/panic logging module.
rapidio/
- directory with info on RapidIO packet-based fabric interconnect
rbtree.txt
- info on what red-black trees are and what they are for.
remoteproc.txt
- info on how to handle remote processor (e.g. AMP) offloads/usage.
rfkill.txt
- info on the radio frequency kill switch subsystem/support.
robust-futex-ABI.txt
- documentation of the robust futex ABI.
robust-futexes.txt
- a description of what robust futexes are.
rpmsg.txt
- info on the Remote Processor Messaging (rpmsg) Framework
rtc.txt
- notes on how to use the Real Time Clock (aka CMOS clock) driver.
s390/
- directory with info on using Linux on the IBM S390.
scheduler/
- directory with info on the scheduler.
scsi/
- directory with info on Linux scsi support.
security/
- directory that contains security-related info
serial/
- directory with info on the low level serial API.
serial-console.txt
- how to set up Linux with a serial line console as the default.
sgi-ioc4.txt
- description of the SGI IOC4 PCI (multi function) device.
sh/
- directory with info on porting Linux to a new architecture.
smsc_ece1099.txt
-info on the smsc Keyboard Scan Expansion/GPIO Expansion device.
sound/
- directory with info on sound card support.
sparse.txt
- info on how to obtain and use the sparse tool for typechecking.
spi/
- overview of Linux kernel Serial Peripheral Interface (SPI) support.
stable_api_nonsense.txt
- info on why the kernel does not have a stable in-kernel api or abi.
stable_kernel_rules.txt
- rules and procedures for the -stable kernel releases.
static-keys.txt
- info on how static keys allow debug code in hotpaths via patching
svga.txt
- short guide on selecting video modes at boot via VGA BIOS.
sysfs-rules.txt
- How not to use sysfs.
sysctl/
- directory with info on the /proc/sys/* files.
sysrq.txt
- info on the magic SysRq key.
target/
- directory with info on generating TCM v4 fabric .ko modules
this_cpu_ops.txt
- List rationale behind and the way to use this_cpu operations.
thermal/
- directory with information on managing thermal issues (CPU/temp)
trace/
- directory with info on tracing technologies within linux
unaligned-memory-access.txt
- info on how to avoid arch breaking unaligned memory access in code.
unicode.txt
- info on the Unicode character/font mapping used in Linux.
unshare.txt
- description of the Linux unshare system call.
usb/
- directory with info regarding the Universal Serial Bus.
vDSO/
- directory with info regarding virtual dynamic shared objects
vfio.txt
- info on Virtual Function I/O used in guest/hypervisor instances.
vgaarbiter.txt
- info on enable/disable the legacy decoding on different VGA devices
video-output.txt
- sysfs class driver interface to enable/disable a video output device.
video4linux/
- directory with info regarding video/TV/radio cards and linux.
virtual/
- directory with information on the various linux virtualizations.
vm/
- directory with info on the Linux vm code.
vme_api.txt
- file relating info on the VME bus API in linux
volatile-considered-harmful.txt
- Why the "volatile" type class should not be used
w1/
- directory with documents regarding the 1-wire (w1) subsystem.
watchdog/
- how to auto-reboot Linux if it has "fallen and can't get up". ;-)
wimax/
- directory with info about Intel Wireless Wimax Connections
workqueue.txt
- information on the Concurrency Managed Workqueue implementation
x86/x86_64/
- directory with info on Linux support for AMD x86-64 (Hammer) machines.
xillybus.txt
- Overview and basic ui of xillybus driver
xtensa/
- directory with documents relating to arch/xtensa port/implementation
xz.txt
- how to make use of the XZ data compression within linux kernel
zh_CN/
- directory with Chinese translations of various documents
zorro.txt
- info on writing drivers for Zorro bus devices found on Amigas.

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This directory attempts to document the ABI between the Linux kernel and
userspace, and the relative stability of these interfaces. Due to the
everchanging nature of Linux, and the differing maturity levels, these
interfaces should be used by userspace programs in different ways.
We have four different levels of ABI stability, as shown by the four
different subdirectories in this location. Interfaces may change levels
of stability according to the rules described below.
The different levels of stability are:
stable/
This directory documents the interfaces that the developer has
defined to be stable. Userspace programs are free to use these
interfaces with no restrictions, and backward compatibility for
them will be guaranteed for at least 2 years. Most interfaces
(like syscalls) are expected to never change and always be
available.
testing/
This directory documents interfaces that are felt to be stable,
as the main development of this interface has been completed.
The interface can be changed to add new features, but the
current interface will not break by doing this, unless grave
errors or security problems are found in them. Userspace
programs can start to rely on these interfaces, but they must be
aware of changes that can occur before these interfaces move to
be marked stable. Programs that use these interfaces are
strongly encouraged to add their name to the description of
these interfaces, so that the kernel developers can easily
notify them if any changes occur (see the description of the
layout of the files below for details on how to do this.)
obsolete/
This directory documents interfaces that are still remaining in
the kernel, but are marked to be removed at some later point in
time. The description of the interface will document the reason
why it is obsolete and when it can be expected to be removed.
removed/
This directory contains a list of the old interfaces that have
been removed from the kernel.
Every file in these directories will contain the following information:
What: Short description of the interface
Date: Date created
KernelVersion: Kernel version this feature first showed up in.
Contact: Primary contact for this interface (may be a mailing list)
Description: Long description of the interface and how to use it.
Users: All users of this interface who wish to be notified when
it changes. This is very important for interfaces in
the "testing" stage, so that kernel developers can work
with userspace developers to ensure that things do not
break in ways that are unacceptable. It is also
important to get feedback for these interfaces to make
sure they are working in a proper way and do not need to
be changed further.
How things move between levels:
Interfaces in stable may move to obsolete, as long as the proper
notification is given.
Interfaces may be removed from obsolete and the kernel as long as the
documented amount of time has gone by.
Interfaces in the testing state can move to the stable state when the
developers feel they are finished. They cannot be removed from the
kernel tree without going through the obsolete state first.
It's up to the developer to place their interfaces in the category they
wish for it to start out in.
Notable bits of non-ABI, which should not under any circumstances be considered
stable:
- Kconfig. Userspace should not rely on the presence or absence of any
particular Kconfig symbol, in /proc/config.gz, in the copy of .config
commonly installed to /boot, or in any invocation of the kernel build
process.
- Kernel-internal symbols. Do not rely on the presence, absence, location, or
type of any kernel symbol, either in System.map files or the kernel binary
itself. See Documentation/stable_api_nonsense.txt.

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What: /proc/sys/vm/nr_pdflush_threads
Date: June 2012
Contact: Wanpeng Li <liwp@linux.vnet.ibm.com>
Description: Since pdflush is replaced by per-BDI flusher, the interface of old pdflush
exported in /proc/sys/vm/ should be removed.

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What: /sys/block/zram<id>/num_reads
Date: August 2015
Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Description:
The num_reads file is read-only and specifies the number of
reads (failed or successful) done on this device.
Now accessible via zram<id>/stat node.
What: /sys/block/zram<id>/num_writes
Date: August 2015
Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Description:
The num_writes file is read-only and specifies the number of
writes (failed or successful) done on this device.
Now accessible via zram<id>/stat node.
What: /sys/block/zram<id>/invalid_io
Date: August 2015
Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Description:
The invalid_io file is read-only and specifies the number of
non-page-size-aligned I/O requests issued to this device.
Now accessible via zram<id>/io_stat node.
What: /sys/block/zram<id>/failed_reads
Date: August 2015
Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Description:
The failed_reads file is read-only and specifies the number of
failed reads happened on this device.
Now accessible via zram<id>/io_stat node.
What: /sys/block/zram<id>/failed_writes
Date: August 2015
Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Description:
The failed_writes file is read-only and specifies the number of
failed writes happened on this device.
Now accessible via zram<id>/io_stat node.
What: /sys/block/zram<id>/notify_free
Date: August 2015
Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Description:
The notify_free file is read-only. Depending on device usage
scenario it may account a) the number of pages freed because
of swap slot free notifications or b) the number of pages freed
because of REQ_DISCARD requests sent by bio. The former ones
are sent to a swap block device when a swap slot is freed, which
implies that this disk is being used as a swap disk. The latter
ones are sent by filesystem mounted with discard option,
whenever some data blocks are getting discarded.
Now accessible via zram<id>/io_stat node.
What: /sys/block/zram<id>/zero_pages
Date: August 2015
Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Description:
The zero_pages file is read-only and specifies number of zero
filled pages written to this disk. No memory is allocated for
such pages.
Now accessible via zram<id>/mm_stat node.
What: /sys/block/zram<id>/orig_data_size
Date: August 2015
Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Description:
The orig_data_size file is read-only and specifies uncompressed
size of data stored in this disk. This excludes zero-filled
pages (zero_pages) since no memory is allocated for them.
Unit: bytes
Now accessible via zram<id>/mm_stat node.
What: /sys/block/zram<id>/compr_data_size
Date: August 2015
Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Description:
The compr_data_size file is read-only and specifies compressed
size of data stored in this disk. So, compression ratio can be
calculated using orig_data_size and this statistic.
Unit: bytes
Now accessible via zram<id>/mm_stat node.
What: /sys/block/zram<id>/mem_used_total
Date: August 2015
Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Description:
The mem_used_total file is read-only and specifies the amount
of memory, including allocator fragmentation and metadata
overhead, allocated for this disk. So, allocator space
efficiency can be calculated using compr_data_size and this
statistic.
Unit: bytes
Now accessible via zram<id>/mm_stat node.
What: /sys/block/zram<id>/mem_used_max
Date: August 2015
Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Description:
The mem_used_max file is read/write and specifies the amount
of maximum memory zram have consumed to store compressed data.
For resetting the value, you should write "0". Otherwise,
you could see -EINVAL.
Unit: bytes
Downgraded to write-only node: so it's possible to set new
value only; its current value is stored in zram<id>/mm_stat
node.
What: /sys/block/zram<id>/mem_limit
Date: August 2015
Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Description:
The mem_limit file is read/write and specifies the maximum
amount of memory ZRAM can use to store the compressed data.
The limit could be changed in run time and "0" means disable
the limit. No limit is the initial state. Unit: bytes
Downgraded to write-only node: so it's possible to set new
value only; its current value is stored in zram<id>/mm_stat
node.

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What: /sys/bus/usb/devices/.../power/level
Date: March 2007
KernelVersion: 2.6.21
Contact: Alan Stern <stern@rowland.harvard.edu>
Description:
Each USB device directory will contain a file named
power/level. This file holds a power-level setting for
the device, either "on" or "auto".
"on" means that the device is not allowed to autosuspend,
although normal suspends for system sleep will still
be honored. "auto" means the device will autosuspend
and autoresume in the usual manner, according to the
capabilities of its driver.
During normal use, devices should be left in the "auto"
level. The "on" level is meant for administrative uses.
If you want to suspend a device immediately but leave it
free to wake up in response to I/O requests, you should
write "0" to power/autosuspend.
Device not capable of proper suspend and resume should be
left in the "on" level. Although the USB spec requires
devices to support suspend/resume, many of them do not.
In fact so many don't that by default, the USB core
initializes all non-hub devices in the "on" level. Some
drivers may change this setting when they are bound.
This file is deprecated and will be removed after 2010.
Use the power/control file instead; it does exactly the
same thing.

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rfkill - radio frequency (RF) connector kill switch support
For details to this subsystem look at Documentation/rfkill.txt.
What: /sys/class/rfkill/rfkill[0-9]+/state
Date: 09-Jul-2007
KernelVersion v2.6.22
Contact: linux-wireless@vger.kernel.org
Description: Current state of the transmitter.
This file is deprecated and scheduled to be removed in 2014,
because its not possible to express the 'soft and hard block'
state of the rfkill driver.
Values: A numeric value.
0: RFKILL_STATE_SOFT_BLOCKED
transmitter is turned off by software
1: RFKILL_STATE_UNBLOCKED
transmitter is (potentially) active
2: RFKILL_STATE_HARD_BLOCKED
transmitter is forced off by something outside of
the driver's control.
What: /sys/class/rfkill/rfkill[0-9]+/claim
Date: 09-Jul-2007
KernelVersion v2.6.22
Contact: linux-wireless@vger.kernel.org
Description: This file is deprecated because there no longer is a way to
claim just control over a single rfkill instance.
This file is scheduled to be removed in 2012.
Values: 0: Kernel handles events

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What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/arvo/roccatarvo<minor>/actual_profile
Date: Januar 2011
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: The integer value of this attribute ranges from 1-5.
When read, this attribute returns the number of the actual
profile which is also the profile that's active on device startup.
When written this attribute activates the selected profile
immediately.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/arvo/roccatarvo<minor>/button
Date: Januar 2011
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: The keyboard can store short macros with consist of 1 button with
several modifier keys internally.
When written, this file lets one set the sequence for a specific
button for a specific profile. Button and profile numbers are
included in written data. The data has to be 24 bytes long.
This file is writeonly.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/arvo/roccatarvo<minor>/info
Date: Januar 2011
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When read, this file returns some info about the device like the
installed firmware version.
The size of the data is 8 bytes in size.
This file is readonly.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/arvo/roccatarvo<minor>/key_mask
Date: Januar 2011
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: The keyboard lets the user deactivate 5 certain keys like the
windows and application keys, to protect the user from the outcome
of accidentally pressing them.
The integer value of this attribute has bits 0-4 set depending
on the state of the corresponding key.
When read, this file returns the current state of the buttons.
When written, the given buttons are activated/deactivated
immediately.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/arvo/roccatarvo<minor>/mode_key
Date: Januar 2011
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: The keyboard has a condensed layout without num-lock key.
Instead it uses a mode-key which activates a gaming mode where
the assignment of the number block changes.
The integer value of this attribute ranges from 0 (OFF) to 1 (ON).
When read, this file returns the actual state of the key.
When written, the key is activated/deactivated immediately.
Users: http://roccat.sourceforge.net

153
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What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/isku/roccatisku<minor>/actual_profile
Date: June 2011
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: The integer value of this attribute ranges from 0-4.
When read, this attribute returns the number of the actual
profile. This value is persistent, so its equivalent to the
profile that's active when the device is powered on next time.
When written, this file sets the number of the startup profile
and the device activates this profile immediately.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/isku/roccatisku<minor>/info
Date: June 2011
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When read, this file returns general data like firmware version.
The data is 6 bytes long.
This file is readonly.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/isku/roccatisku<minor>/key_mask
Date: June 2011
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When written, this file lets one deactivate certain keys like
windows and application keys, to prevent accidental presses.
Profile number for which this settings occur is included in
written data. The data has to be 6 bytes long.
Before reading this file, control has to be written to select
which profile to read.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/isku/roccatisku<minor>/keys_capslock
Date: June 2011
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When written, this file lets one set the function of the
capslock key for a specific profile. Profile number is included
in written data. The data has to be 6 bytes long.
Before reading this file, control has to be written to select
which profile to read.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/isku/roccatisku<minor>/keys_easyzone
Date: June 2011
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When written, this file lets one set the function of the
easyzone keys for a specific profile. Profile number is included
in written data. The data has to be 65 bytes long.
Before reading this file, control has to be written to select
which profile to read.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/isku/roccatisku<minor>/keys_function
Date: June 2011
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When written, this file lets one set the function of the
function keys for a specific profile. Profile number is included
in written data. The data has to be 41 bytes long.
Before reading this file, control has to be written to select
which profile to read.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/isku/roccatisku<minor>/keys_macro
Date: June 2011
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When written, this file lets one set the function of the macro
keys for a specific profile. Profile number is included in
written data. The data has to be 35 bytes long.
Before reading this file, control has to be written to select
which profile to read.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/isku/roccatisku<minor>/keys_media
Date: June 2011
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When written, this file lets one set the function of the media
keys for a specific profile. Profile number is included in
written data. The data has to be 29 bytes long.
Before reading this file, control has to be written to select
which profile to read.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/isku/roccatisku<minor>/keys_thumbster
Date: June 2011
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When written, this file lets one set the function of the
thumbster keys for a specific profile. Profile number is included
in written data. The data has to be 23 bytes long.
Before reading this file, control has to be written to select
which profile to read.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/isku/roccatisku<minor>/last_set
Date: June 2011
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When written, this file lets one set the time in secs since
epoch in which the last configuration took place.
The data has to be 20 bytes long.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/isku/roccatisku<minor>/light
Date: June 2011
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When written, this file lets one set the backlight intensity for
a specific profile. Profile number is included in written data.
The data has to be 10 bytes long for Isku, IskuFX needs 16 bytes
of data.
Before reading this file, control has to be written to select
which profile to read.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/isku/roccatisku<minor>/macro
Date: June 2011
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When written, this file lets one store macros with max 500
keystrokes for a specific button for a specific profile.
Button and profile numbers are included in written data.
The data has to be 2083 bytes long.
Before reading this file, control has to be written to select
which profile and key to read.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/isku/roccatisku<minor>/reset
Date: November 2012
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When written, this file lets one reset the device.
The data has to be 3 bytes long.
This file is writeonly.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/isku/roccatisku<minor>/control
Date: June 2011
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When written, this file lets one select which data from which
profile will be read next. The data has to be 3 bytes long.
This file is writeonly.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/isku/roccatisku<minor>/talk
Date: June 2011
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When written, this file lets one trigger easyshift functionality
from the host.
The data has to be 16 bytes long.
This file is writeonly.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/isku/roccatisku<minor>/talkfx
Date: February 2013
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When written, this file lets one trigger temporary color schemes
from the host.
The data has to be 16 bytes long.
This file is writeonly.
Users: http://roccat.sourceforge.net

145
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What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/actual_profile
Date: October 2010
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: The integer value of this attribute ranges from 0-4.
When read, this attribute returns the number of the actual
profile. This value is persistent, so its equivalent to the
profile that's active when the mouse is powered on next time.
When written, this file sets the number of the startup profile
and the mouse activates this profile immediately.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/startup_profile
Date: October 2010
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: The integer value of this attribute ranges from 0-4.
When read, this attribute returns the number of the actual
profile. This value is persistent, so its equivalent to the
profile that's active when the mouse is powered on next time.
When written, this file sets the number of the startup profile
and the mouse activates this profile immediately.
Please use actual_profile, it does the same thing.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/firmware_version
Date: October 2010
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When read, this file returns the raw integer version number of the
firmware reported by the mouse. Using the integer value eases
further usage in other programs. To receive the real version
number the decimal point has to be shifted 2 positions to the
left. E.g. a returned value of 121 means 1.21
This file is readonly.
Please read binary attribute info which contains firmware version.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/info
Date: November 2012
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When read, this file returns general data like firmware version.
When written, the device can be reset.
The data is 8 bytes long.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/macro
Date: October 2010
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: The mouse can store a macro with max 500 key/button strokes
internally.
When written, this file lets one set the sequence for a specific
button for a specific profile. Button and profile numbers are
included in written data. The data has to be 2082 bytes long.
This file is writeonly.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/profile_buttons
Date: August 2010
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: The mouse can store 5 profiles which can be switched by the
press of a button. A profile is split in settings and buttons.
profile_buttons holds information about button layout.
When written, this file lets one write the respective profile
buttons back to the mouse. The data has to be 77 bytes long.
The mouse will reject invalid data.
Which profile to write is determined by the profile number
contained in the data.
Before reading this file, control has to be written to select
which profile to read.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/profile[1-5]_buttons
Date: August 2010
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: The mouse can store 5 profiles which can be switched by the
press of a button. A profile is split in settings and buttons.
profile_buttons holds information about button layout.
When read, these files return the respective profile buttons.
The returned data is 77 bytes in size.
This file is readonly.
Write control to select profile and read profile_buttons instead.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/profile_settings
Date: October 2010
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: The mouse can store 5 profiles which can be switched by the
press of a button. A profile is split in settings and buttons.
profile_settings holds information like resolution, sensitivity
and light effects.
When written, this file lets one write the respective profile
settings back to the mouse. The data has to be 43 bytes long.
The mouse will reject invalid data.
Which profile to write is determined by the profile number
contained in the data.
Before reading this file, control has to be written to select
which profile to read.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/profile[1-5]_settings
Date: August 2010
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: The mouse can store 5 profiles which can be switched by the
press of a button. A profile is split in settings and buttons.
profile_settings holds information like resolution, sensitivity
and light effects.
When read, these files return the respective profile settings.
The returned data is 43 bytes in size.
This file is readonly.
Write control to select profile and read profile_settings instead.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/sensor
Date: October 2010
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: The mouse has a tracking- and a distance-control-unit. These
can be activated/deactivated and the lift-off distance can be
set. The data has to be 6 bytes long.
This file is writeonly.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/talk
Date: May 2011
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: Used to active some easy* functions of the mouse from outside.
The data has to be 16 bytes long.
This file is writeonly.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/tcu
Date: October 2010
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When written a calibration process for the tracking control unit
can be initiated/cancelled. Also lets one read/write sensor
registers.
The data has to be 4 bytes long.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/tcu_image
Date: October 2010
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When read the mouse returns a 30x30 pixel image of the
sampled underground. This works only in the course of a
calibration process initiated with tcu.
The returned data is 1028 bytes in size.
This file is readonly.
Users: http://roccat.sourceforge.net

105
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What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/konepure/roccatkonepure<minor>/actual_profile
Date: December 2012
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: The mouse can store 5 profiles which can be switched by the
press of a button. actual_profile holds number of actual profile.
This value is persistent, so its value determines the profile
that's active when the mouse is powered on next time.
When written, the mouse activates the set profile immediately.
The data has to be 3 bytes long.
The mouse will reject invalid data.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/konepure/roccatkonepure<minor>/control
Date: December 2012
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When written, this file lets one select which data from which
profile will be read next. The data has to be 3 bytes long.
This file is writeonly.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/konepure/roccatkonepure<minor>/info
Date: December 2012
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When read, this file returns general data like firmware version.
When written, the device can be reset.
The data is 6 bytes long.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/konepure/roccatkonepure<minor>/macro
Date: December 2012
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: The mouse can store a macro with max 500 key/button strokes
internally.
When written, this file lets one set the sequence for a specific
button for a specific profile. Button and profile numbers are
included in written data. The data has to be 2082 bytes long.
This file is writeonly.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/konepure/roccatkonepure<minor>/profile_buttons
Date: December 2012
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: The mouse can store 5 profiles which can be switched by the
press of a button. A profile is split in settings and buttons.
profile_buttons holds information about button layout.
When written, this file lets one write the respective profile
buttons back to the mouse. The data has to be 59 bytes long.
The mouse will reject invalid data.
Which profile to write is determined by the profile number
contained in the data.
Before reading this file, control has to be written to select
which profile to read.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/konepure/roccatkonepure<minor>/profile_settings
Date: December 2012
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: The mouse can store 5 profiles which can be switched by the
press of a button. A profile is split in settings and buttons.
profile_settings holds information like resolution, sensitivity
and light effects.
When written, this file lets one write the respective profile
settings back to the mouse. The data has to be 31 bytes long.
The mouse will reject invalid data.
Which profile to write is determined by the profile number
contained in the data.
Before reading this file, control has to be written to select
which profile to read.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/konepure/roccatkonepure<minor>/sensor
Date: December 2012
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: The mouse has a tracking- and a distance-control-unit. These
can be activated/deactivated and the lift-off distance can be
set. The data has to be 6 bytes long.
This file is writeonly.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/konepure/roccatkonepure<minor>/talk
Date: December 2012
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: Used to active some easy* functions of the mouse from outside.
The data has to be 16 bytes long.
This file is writeonly.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/konepure/roccatkonepure<minor>/tcu
Date: December 2012
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When written a calibration process for the tracking control unit
can be initiated/cancelled. Also lets one read/write sensor
registers.
The data has to be 4 bytes long.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/konepure/roccatkonepure<minor>/tcu_image
Date: December 2012
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When read the mouse returns a 30x30 pixel image of the
sampled underground. This works only in the course of a
calibration process initiated with tcu.
The returned data is 1028 bytes in size.
This file is readonly.
Users: http://roccat.sourceforge.net

116
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What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kovaplus/roccatkovaplus<minor>/actual_cpi
Date: January 2011
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: The integer value of this attribute ranges from 1-4.
When read, this attribute returns the number of the active
cpi level.
This file is readonly.
Has never been used. If bookkeeping is done, it's done in userland tools.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kovaplus/roccatkovaplus<minor>/actual_profile
Date: January 2011
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: The integer value of this attribute ranges from 0-4.
When read, this attribute returns the number of the active
profile.
When written, the mouse activates this profile immediately.
The profile that's active when powered down is the same that's
active when the mouse is powered on.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kovaplus/roccatkovaplus<minor>/actual_sensitivity_x
Date: January 2011
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: The integer value of this attribute ranges from 1-10.
When read, this attribute returns the number of the actual
sensitivity in x direction.
This file is readonly.
Has never been used. If bookkeeping is done, it's done in userland tools.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kovaplus/roccatkovaplus<minor>/actual_sensitivity_y
Date: January 2011
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: The integer value of this attribute ranges from 1-10.
When read, this attribute returns the number of the actual
sensitivity in y direction.
This file is readonly.
Has never been used. If bookkeeping is done, it's done in userland tools.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kovaplus/roccatkovaplus<minor>/firmware_version
Date: January 2011
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When read, this file returns the raw integer version number of the
firmware reported by the mouse. Using the integer value eases
further usage in other programs. To receive the real version
number the decimal point has to be shifted 2 positions to the
left. E.g. a returned value of 121 means 1.21
This file is readonly.
Obsoleted by binary sysfs attribute "info".
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kovaplus/roccatkovaplus<minor>/info
Date: November 2012
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When read, this file returns general data like firmware version.
When written, the device can be reset.
The data is 6 bytes long.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kovaplus/roccatkovaplus<minor>/profile_buttons
Date: January 2011
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: The mouse can store 5 profiles which can be switched by the
press of a button. A profile is split in settings and buttons.
profile_buttons holds information about button layout.
When written, this file lets one write the respective profile
buttons back to the mouse. The data has to be 23 bytes long.
The mouse will reject invalid data.
Which profile to write is determined by the profile number
contained in the data.
Before reading this file, control has to be written to select
which profile to read.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kovaplus/roccatkovaplus<minor>/profile[1-5]_buttons
Date: January 2011
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: The mouse can store 5 profiles which can be switched by the
press of a button. A profile is split in settings and buttons.
profile_buttons holds information about button layout.
When read, these files return the respective profile buttons.
The returned data is 23 bytes in size.
This file is readonly.
Write control to select profile and read profile_buttons instead.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kovaplus/roccatkovaplus<minor>/profile_settings
Date: January 2011
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: The mouse can store 5 profiles which can be switched by the
press of a button. A profile is split in settings and buttons.
profile_settings holds information like resolution, sensitivity
and light effects.
When written, this file lets one write the respective profile
settings back to the mouse. The data has to be 16 bytes long.
The mouse will reject invalid data.
Which profile to write is determined by the profile number
contained in the data.
Before reading this file, control has to be written to select
which profile to read.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kovaplus/roccatkovaplus<minor>/profile[1-5]_settings
Date: January 2011
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: The mouse can store 5 profiles which can be switched by the
press of a button. A profile is split in settings and buttons.
profile_settings holds information like resolution, sensitivity
and light effects.
When read, these files return the respective profile settings.
The returned data is 16 bytes in size.
This file is readonly.
Write control to select profile and read profile_settings instead.
Users: http://roccat.sourceforge.net

7
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What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/control
Date: October 2012
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When written, cpi, button and light settings can be configured.
When read, actual cpi setting and sensor data are returned.
The data has to be 8 bytes long.
Users: http://roccat.sourceforge.net

123
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What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/actual_cpi
Date: August 2010
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: It is possible to switch the cpi setting of the mouse with the
press of a button.
When read, this file returns the raw number of the actual cpi
setting reported by the mouse. This number has to be further
processed to receive the real dpi value.
VALUE DPI
1 400
2 800
4 1600
This file is readonly.
Has never been used. If bookkeeping is done, it's done in userland tools.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/actual_profile
Date: August 2010
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When read, this file returns the number of the actual profile in
range 0-4.
This file is readonly.
Please use binary attribute "settings" which provides this information.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/firmware_version
Date: August 2010
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When read, this file returns the raw integer version number of the
firmware reported by the mouse. Using the integer value eases
further usage in other programs. To receive the real version
number the decimal point has to be shifted 2 positions to the
left. E.g. a returned value of 138 means 1.38
This file is readonly.
Please use binary attribute "info" which provides this information.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/info
Date: November 2012
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When read, this file returns general data like firmware version.
When written, the device can be reset.
The data is 6 bytes long.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/profile_buttons
Date: August 2010
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: The mouse can store 5 profiles which can be switched by the
press of a button. A profile is split in settings and buttons.
profile_buttons holds information about button layout.
When written, this file lets one write the respective profile
buttons back to the mouse. The data has to be 19 bytes long.
The mouse will reject invalid data.
Which profile to write is determined by the profile number
contained in the data.
Before reading this file, control has to be written to select
which profile to read.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/profile[1-5]_buttons
Date: August 2010
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: The mouse can store 5 profiles which can be switched by the
press of a button. A profile is split in settings and buttons.
profile_buttons holds information about button layout.
When read, these files return the respective profile buttons.
The returned data is 19 bytes in size.
This file is readonly.
Write control to select profile and read profile_buttons instead.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/profile_settings
Date: August 2010
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: The mouse can store 5 profiles which can be switched by the
press of a button. A profile is split in settings and buttons.
profile_settings holds information like resolution, sensitivity
and light effects.
When written, this file lets one write the respective profile
settings back to the mouse. The data has to be 13 bytes long.
The mouse will reject invalid data.
Which profile to write is determined by the profile number
contained in the data.
Before reading this file, control has to be written to select
which profile to read.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/profile[1-5]_settings
Date: August 2010
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: The mouse can store 5 profiles which can be switched by the
press of a button. A profile is split in settings and buttons.
profile_settings holds information like resolution, sensitivity
and light effects.
When read, these files return the respective profile settings.
The returned data is 13 bytes in size.
This file is readonly.
Write control to select profile and read profile_settings instead.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/settings
Date: August 2010
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When read, this file returns the settings stored in the mouse.
The size of the data is 3 bytes and holds information on the
startup_profile.
When written, this file lets write settings back to the mouse.
The data has to be 3 bytes long. The mouse will reject invalid
data.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/startup_profile
Date: August 2010
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: The integer value of this attribute ranges from 0-4.
When read, this attribute returns the number of the profile
that's active when the mouse is powered on.
This file is readonly.
Please use binary attribute "settings" which provides this information.
Users: http://roccat.sourceforge.net

178
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@ -0,0 +1,178 @@
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/ryos/roccatryos<minor>/control
Date: October 2013
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When written, this file lets one select which data from which
profile will be read next. The data has to be 3 bytes long.
This file is writeonly.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/ryos/roccatryos<minor>/profile
Date: October 2013
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: The mouse can store 5 profiles which can be switched by the
press of a button. profile holds index of actual profile.
This value is persistent, so its value determines the profile
that's active when the device is powered on next time.
When written, the device activates the set profile immediately.
The data has to be 3 bytes long.
The device will reject invalid data.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/ryos/roccatryos<minor>/keys_primary
Date: October 2013
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When written, this file lets one set the default of all keys for
a specific profile. Profile index is included in written data.
The data has to be 125 bytes long.
Before reading this file, control has to be written to select
which profile to read.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/ryos/roccatryos<minor>/keys_function
Date: October 2013
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When written, this file lets one set the function of the
function keys for a specific profile. Profile index is included
in written data. The data has to be 95 bytes long.
Before reading this file, control has to be written to select
which profile to read.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/ryos/roccatryos<minor>/keys_macro
Date: October 2013
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When written, this file lets one set the function of the macro
keys for a specific profile. Profile index is included in
written data. The data has to be 35 bytes long.
Before reading this file, control has to be written to select
which profile to read.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/ryos/roccatryos<minor>/keys_thumbster
Date: October 2013
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When written, this file lets one set the function of the
thumbster keys for a specific profile. Profile index is included
in written data. The data has to be 23 bytes long.
Before reading this file, control has to be written to select
which profile to read.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/ryos/roccatryos<minor>/keys_extra
Date: October 2013
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When written, this file lets one set the function of the
capslock and function keys for a specific profile. Profile index
is included in written data. The data has to be 8 bytes long.
Before reading this file, control has to be written to select
which profile to read.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/ryos/roccatryos<minor>/keys_easyzone
Date: October 2013
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When written, this file lets one set the function of the
easyzone keys for a specific profile. Profile index is included
in written data. The data has to be 294 bytes long.
Before reading this file, control has to be written to select
which profile to read.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/ryos/roccatryos<minor>/key_mask
Date: October 2013
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When written, this file lets one deactivate certain keys like
windows and application keys, to prevent accidental presses.
Profile index for which this settings occur is included in
written data. The data has to be 6 bytes long.
Before reading this file, control has to be written to select
which profile to read.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/ryos/roccatryos<minor>/light
Date: October 2013
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When written, this file lets one set the backlight intensity for
a specific profile. Profile index is included in written data.
This attribute is only valid for the glow and pro variant.
The data has to be 16 bytes long.
Before reading this file, control has to be written to select
which profile to read.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/ryos/roccatryos<minor>/macro
Date: October 2013
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When written, this file lets one store macros with max 480
keystrokes for a specific button for a specific profile.
Button and profile indexes are included in written data.
The data has to be 2002 bytes long.
Before reading this file, control has to be written to select
which profile and key to read.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/ryos/roccatryos<minor>/info
Date: October 2013
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When read, this file returns general data like firmware version.
The data is 8 bytes long.
This file is readonly.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/ryos/roccatryos<minor>/reset
Date: October 2013
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When written, this file lets one reset the device.
The data has to be 3 bytes long.
This file is writeonly.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/ryos/roccatryos<minor>/talk
Date: October 2013
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When written, this file lets one trigger easyshift functionality
from the host.
The data has to be 16 bytes long.
This file is writeonly.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/ryos/roccatryos<minor>/light_control
Date: October 2013
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When written, this file lets one switch between stored and custom
light settings.
This attribute is only valid for the pro variant.
The data has to be 8 bytes long.
This file is writeonly.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/ryos/roccatryos<minor>/stored_lights
Date: October 2013
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When written, this file lets one set per-key lighting for different
layers.
This attribute is only valid for the pro variant.
The data has to be 1382 bytes long.
Before reading this file, control has to be written to select
which profile to read.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/ryos/roccatryos<minor>/custom_lights
Date: October 2013
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When written, this file lets one set the actual per-key lighting.
This attribute is only valid for the pro variant.
The data has to be 20 bytes long.
This file is writeonly.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/ryos/roccatryos<minor>/light_macro
Date: October 2013
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When written, this file lets one set a light macro that is looped
whenever the device gets in dimness mode.
This attribute is only valid for the pro variant.
The data has to be 2002 bytes long.
Before reading this file, control has to be written to select
which profile to read.
Users: http://roccat.sourceforge.net

76
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@ -0,0 +1,76 @@
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/savu/roccatsavu<minor>/buttons
Date: Mai 2012
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: The mouse can store 5 profiles which can be switched by the
press of a button. A profile is split into general settings and
button settings. buttons holds informations about button layout.
When written, this file lets one write the respective profile
buttons to the mouse. The data has to be 47 bytes long.
The mouse will reject invalid data.
Which profile to write is determined by the profile number
contained in the data.
Before reading this file, control has to be written to select
which profile to read.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/savu/roccatsavu<minor>/control
Date: Mai 2012
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When written, this file lets one select which data from which
profile will be read next. The data has to be 3 bytes long.
This file is writeonly.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/savu/roccatsavu<minor>/general
Date: Mai 2012
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: The mouse can store 5 profiles which can be switched by the
press of a button. A profile is split into general settings and
button settings. profile holds informations like resolution, sensitivity
and light effects.
When written, this file lets one write the respective profile
settings back to the mouse. The data has to be 43 bytes long.
The mouse will reject invalid data.
Which profile to write is determined by the profile number
contained in the data.
This file is writeonly.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/savu/roccatsavu<minor>/info
Date: Mai 2012
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When read, this file returns general data like firmware version.
When written, the device can be reset.
The data is 8 bytes long.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/savu/roccatsavu<minor>/macro
Date: Mai 2012
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: When written, this file lets one store macros with max 500
keystrokes for a specific button for a specific profile.
Button and profile numbers are included in written data.
The data has to be 2083 bytes long.
Before reading this file, control has to be written to select
which profile and key to read.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/savu/roccatsavu<minor>/profile
Date: Mai 2012
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: The mouse can store 5 profiles which can be switched by the
press of a button. profile holds number of actual profile.
This value is persistent, so its value determines the profile
that's active when the mouse is powered on next time.
When written, the mouse activates the set profile immediately.
The data has to be 3 bytes long.
The mouse will reject invalid data.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/savu/roccatsavu<minor>/sensor
Date: July 2012
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: The mouse has a Avago ADNS-3090 sensor.
This file allows reading and writing of the mouse sensors registers.
The data has to be 4 bytes long.
Users: http://roccat.sourceforge.net

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