Root/Documentation/00-INDEX

1
2This is a brief list of all the files in ./linux/Documentation and what
3they contain. If you add a documentation file, please list it here in
4alphabetical order as well, or risk being hunted down like a rabid dog.
5Please keep the descriptions small enough to fit on one line.
6                             Thanks -- Paul G.
7
8Following translations are available on the WWW:
9
10   - Japanese, maintained by the JF Project (jf@listserv.linux.or.jp), at
11     http://linuxjf.sourceforge.jp/
12
1300-INDEX
14    - this file.
15ABI/
16    - info on kernel <-> userspace ABI and relative interface stability.
17
18BUG-HUNTING
19    - brute force method of doing binary search of patches to find bug.
20Changes
21    - list of changes that break older software packages.
22CodingStyle
23    - how the maintainers expect the C code in the kernel to look.
24DMA-API.txt
25    - DMA API, pci_ API & extensions for non-consistent memory machines.
26DMA-API-HOWTO.txt
27    - Dynamic DMA mapping Guide
28DMA-ISA-LPC.txt
29    - How to do DMA with ISA (and LPC) devices.
30DMA-attributes.txt
31    - listing of the various possible attributes a DMA region can have
32dmatest.txt
33    - how to compile, configure and use the dmatest system.
34DocBook/
35    - directory with DocBook templates etc. for kernel documentation.
36EDID/
37    - directory with info on customizing EDID for broken gfx/displays.
38HOWTO
39    - the process and procedures of how to do Linux kernel development.
40IPMI.txt
41    - info on Linux Intelligent Platform Management Interface (IPMI) Driver.
42IRQ-affinity.txt
43    - how to select which CPU(s) handle which interrupt events on SMP.
44IRQ-domain.txt
45    - info on interrupt numbering and setting up IRQ domains.
46IRQ.txt
47    - description of what an IRQ is.
48Intel-IOMMU.txt
49    - basic info on the Intel IOMMU virtualization support.
50Makefile
51    - some files in Documentation dir are actually sample code to build
52ManagementStyle
53    - how to (attempt to) manage kernel hackers.
54RCU/
55    - directory with info on RCU (read-copy update).
56SAK.txt
57    - info on Secure Attention Keys.
58SM501.txt
59    - Silicon Motion SM501 multimedia companion chip
60SecurityBugs
61    - procedure for reporting security bugs found in the kernel.
62SubmitChecklist
63    - Linux kernel patch submission checklist.
64SubmittingDrivers
65    - procedure to get a new driver source included into the kernel tree.
66SubmittingPatches
67    - procedure to get a source patch included into the kernel tree.
68VGA-softcursor.txt
69    - how to change your VGA cursor from a blinking underscore.
70accounting/
71    - documentation on accounting and taskstats.
72acpi/
73    - info on ACPI-specific hooks in the kernel.
74aoe/
75    - description of AoE (ATA over Ethernet) along with config examples.
76applying-patches.txt
77    - description of various trees and how to apply their patches.
78arm/
79    - directory with info about Linux on the ARM architecture.
80arm64/
81    - directory with info about Linux on the 64 bit ARM architecture.
82assoc_array.txt
83    - generic associative array intro.
84atomic_ops.txt
85    - semantics and behavior of atomic and bitmask operations.
86auxdisplay/
87    - misc. LCD driver documentation (cfag12864b, ks0108).
88backlight/
89    - directory with info on controlling backlights in flat panel displays
90bad_memory.txt
91    - how to use kernel parameters to exclude bad RAM regions.
92basic_profiling.txt
93    - basic instructions for those who wants to profile Linux kernel.
94bcache.txt
95    - Block-layer cache on fast SSDs to improve slow (raid) I/O performance.
96binfmt_misc.txt
97    - info on the kernel support for extra binary formats.
98blackfin/
99    - directory with documentation for the Blackfin arch.
100block/
101    - info on the Block I/O (BIO) layer.
102blockdev/
103    - info on block devices & drivers
104braille-console.txt
105    - info on how to use serial devices for Braille support.
106bt8xxgpio.txt
107    - info on how to modify a bt8xx video card for GPIO usage.
108btmrvl.txt
109    - info on Marvell Bluetooth driver usage.
110bus-devices/
111    - directory with info on TI GPMC (General Purpose Memory Controller)
112bus-virt-phys-mapping.txt
113    - how to access I/O mapped memory from within device drivers.
114cachetlb.txt
115    - describes the cache/TLB flushing interfaces Linux uses.
116cdrom/
117    - directory with information on the CD-ROM drivers that Linux has.
118cgroups/
119    - cgroups features, including cpusets and memory controller.
120circular-buffers.txt
121    - how to make use of the existing circular buffer infrastructure
122clk.txt
123    - info on the common clock framework
124coccinelle.txt
125    - info on how to get and use the Coccinelle code checking tool.
126connector/
127    - docs on the netlink based userspace<->kernel space communication mod.
128console/
129    - documentation on Linux console drivers.
130cpu-freq/
131    - info on CPU frequency and voltage scaling.
132cpu-hotplug.txt
133    - document describing CPU hotplug support in the Linux kernel.
134cpu-load.txt
135    - document describing how CPU load statistics are collected.
136cpuidle/
137    - info on CPU_IDLE, CPU idle state management subsystem.
138cputopology.txt
139    - documentation on how CPU topology info is exported via sysfs.
140crc32.txt
141    - brief tutorial on CRC computation
142cris/
143    - directory with info about Linux on CRIS architecture.
144crypto/
145    - directory with info on the Crypto API.
146dcdbas.txt
147    - information on the Dell Systems Management Base Driver.
148debugging-modules.txt
149    - some notes on debugging modules after Linux 2.6.3.
150debugging-via-ohci1394.txt
151    - how to use firewire like a hardware debugger memory reader.
152dell_rbu.txt
153    - document demonstrating the use of the Dell Remote BIOS Update driver.
154development-process/
155    - how to work with the mainline kernel development process.
156device-mapper/
157    - directory with info on Device Mapper.
158devices.txt
159    - plain ASCII listing of all the nodes in /dev/ with major minor #'s.
160devicetree/
161    - directory with info on device tree files used by OF/PowerPC/ARM
162digsig.txt
163    -info on the Digital Signature Verification API
164dma-buf-sharing.txt
165    - the DMA Buffer Sharing API Guide
166dmaengine.txt
167    -the DMA Engine API Guide
168dontdiff
169    - file containing a list of files that should never be diff'ed.
170driver-model/
171    - directory with info about Linux driver model.
172dvb/
173    - info on Linux Digital Video Broadcast (DVB) subsystem.
174dynamic-debug-howto.txt
175    - how to use the dynamic debug (dyndbg) feature.
176early-userspace/
177    - info about initramfs, klibc, and userspace early during boot.
178edac.txt
179    - information on EDAC - Error Detection And Correction
180efi-stub.txt
181    - How to use the EFI boot stub to bypass GRUB or elilo on EFI systems.
182eisa.txt
183    - info on EISA bus support.
184email-clients.txt
185    - info on how to use e-mail to send un-mangled (git) patches.
186extcon/
187    - directory with porting guide for Android kernel switch driver.
188fault-injection/
189    - dir with docs about the fault injection capabilities infrastructure.
190fb/
191    - directory with info on the frame buffer graphics abstraction layer.
192filesystems/
193    - info on the vfs and the various filesystems that Linux supports.
194firmware_class/
195    - request_firmware() hotplug interface info.
196flexible-arrays.txt
197    - how to make use of flexible sized arrays in linux
198fmc/
199    - information about the FMC bus abstraction
200frv/
201    - Fujitsu FR-V Linux documentation.
202futex-requeue-pi.txt
203    - info on requeueing of tasks from a non-PI futex to a PI futex
204gcov.txt
205    - use of GCC's coverage testing tool "gcov" with the Linux kernel
206gpio/
207    - gpio related documentation
208hid/
209    - directory with information on human interface devices
210highuid.txt
211    - notes on the change from 16 bit to 32 bit user/group IDs.
212hwspinlock.txt
213    - hardware spinlock provides hardware assistance for synchronization
214timers/
215    - info on the timer related topics
216hw_random.txt
217    - info on Linux support for random number generator in i8xx chipsets.
218hwmon/
219    - directory with docs on various hardware monitoring drivers.
220i2c/
221    - directory with info about the I2C bus/protocol (2 wire, kHz speed).
222i2o/
223    - directory with info about the Linux I2O subsystem.
224x86/i386/
225    - directory with info about Linux on Intel 32 bit architecture.
226ia64/
227    - directory with info about Linux on Intel 64 bit architecture.
228infiniband/
229    - directory with documents concerning Linux InfiniBand support.
230init.txt
231    - what to do when the kernel can't find the 1st process to run.
232initrd.txt
233    - how to use the RAM disk as an initial/temporary root filesystem.
234input/
235    - info on Linux input device support.
236intel_txt.txt
237    - info on intel Trusted Execution Technology (intel TXT).
238io-mapping.txt
239    - description of io_mapping functions in linux/io-mapping.h
240io_ordering.txt
241    - info on ordering I/O writes to memory-mapped addresses.
242ioctl/
243    - directory with documents describing various IOCTL calls.
244iostats.txt
245    - info on I/O statistics Linux kernel provides.
246irqflags-tracing.txt
247    - how to use the irq-flags tracing feature.
248isapnp.txt
249    - info on Linux ISA Plug & Play support.
250isdn/
251    - directory with info on the Linux ISDN support, and supported cards.
252java.txt
253    - info on the in-kernel binary support for Java(tm).
254ja_JP/
255    - directory with Japanese translations of various documents
256kbuild/
257    - directory with info about the kernel build process.
258kdump/
259    - directory with mini HowTo on getting the crash dump code to work.
260kernel-doc-nano-HOWTO.txt
261    - mini HowTo on generation and location of kernel documentation files.
262kernel-docs.txt
263    - listing of various WWW + books that document kernel internals.
264kernel-parameters.txt
265    - summary listing of command line / boot prompt args for the kernel.
266kernel-per-CPU-kthreads.txt
267    - List of all per-CPU kthreads and how they introduce jitter.
268kmemcheck.txt
269    - info on dynamic checker that detects uses of uninitialized memory.
270kmemleak.txt
271    - info on how to make use of the kernel memory leak detection system
272ko_KR/
273    - directory with Korean translations of various documents
274kobject.txt
275    - info of the kobject infrastructure of the Linux kernel.
276kprobes.txt
277    - documents the kernel probes debugging feature.
278kref.txt
279    - docs on adding reference counters (krefs) to kernel objects.
280laptops/
281    - directory with laptop related info and laptop driver documentation.
282ldm.txt
283    - a brief description of LDM (Windows Dynamic Disks).
284leds/
285    - directory with info about LED handling under Linux.
286local_ops.txt
287    - semantics and behavior of local atomic operations.
288lockdep-design.txt
289    - documentation on the runtime locking correctness validator.
290lockstat.txt
291    - info on collecting statistics on locks (and contention).
292lockup-watchdogs.txt
293    - info on soft and hard lockup detectors (aka nmi_watchdog).
294logo.gif
295    - full colour GIF image of Linux logo (penguin - Tux).
296logo.txt
297    - info on creator of above logo & site to get additional images from.
298m68k/
299    - directory with info about Linux on Motorola 68k architecture.
300magic-number.txt
301    - list of magic numbers used to mark/protect kernel data structures.
302md.txt
303    - info on boot arguments for the multiple devices driver.
304media-framework.txt
305    - info on media framework, its data structures, functions and usage.
306memory-barriers.txt
307    - info on Linux kernel memory barriers.
308memory-devices/
309    - directory with info on parts like the Texas Instruments EMIF driver
310memory-hotplug.txt
311    - Hotpluggable memory support, how to use and current status.
312metag/
313    - directory with info about Linux on Meta architecture.
314mips/
315    - directory with info about Linux on MIPS architecture.
316misc-devices/
317    - directory with info about devices using the misc dev subsystem
318mmc/
319    - directory with info about the MMC subsystem
320mn10300/
321    - directory with info about the mn10300 architecture port
322module-signing.txt
323    - Kernel module signing for increased security when loading modules.
324mtd/
325    - directory with info about memory technology devices (flash)
326mono.txt
327    - how to execute Mono-based .NET binaries with the help of BINFMT_MISC.
328mutex-design.txt
329    - info on the generic mutex subsystem.
330namespaces/
331    - directory with various information about namespaces
332netlabel/
333    - directory with information on the NetLabel subsystem.
334networking/
335    - directory with info on various aspects of networking with Linux.
336nfc/
337    - directory relating info about Near Field Communications support.
338nommu-mmap.txt
339    - documentation about no-mmu memory mapping support.
340numastat.txt
341    - info on how to read Numa policy hit/miss statistics in sysfs.
342oops-tracing.txt
343    - how to decode those nasty internal kernel error dump messages.
344padata.txt
345    - An introduction to the "padata" parallel execution API
346parisc/
347    - directory with info on using Linux on PA-RISC architecture.
348parport.txt
349    - how to use the parallel-port driver.
350parport-lowlevel.txt
351    - description and usage of the low level parallel port functions.
352pcmcia/
353    - info on the Linux PCMCIA driver.
354percpu-rw-semaphore.txt
355    - RCU based read-write semaphore optimized for locking for reading
356phy.txt
357    - Description of the generic PHY framework.
358pi-futex.txt
359    - documentation on lightweight priority inheritance futexes.
360pinctrl.txt
361    - info on pinctrl subsystem and the PINMUX/PINCONF and drivers
362pnp.txt
363    - Linux Plug and Play documentation.
364power/
365    - directory with info on Linux PCI power management.
366powerpc/
367    - directory with info on using Linux with the PowerPC.
368prctl/
369    - directory with info on the priveledge control subsystem
370preempt-locking.txt
371    - info on locking under a preemptive kernel.
372printk-formats.txt
373    - how to get printk format specifiers right
374pps/
375    - directory with information on the pulse-per-second support
376ptp/
377    - directory with info on support for IEEE 1588 PTP clocks in Linux.
378pwm.txt
379    - info on the pulse width modulation driver subsystem
380ramoops.txt
381    - documentation of the ramoops oops/panic logging module.
382rapidio/
383    - directory with info on RapidIO packet-based fabric interconnect
384rbtree.txt
385    - info on what red-black trees are and what they are for.
386remoteproc.txt
387    - info on how to handle remote processor (e.g. AMP) offloads/usage.
388rfkill.txt
389    - info on the radio frequency kill switch subsystem/support.
390robust-futex-ABI.txt
391    - documentation of the robust futex ABI.
392robust-futexes.txt
393    - a description of what robust futexes are.
394rpmsg.txt
395    - info on the Remote Processor Messaging (rpmsg) Framework
396rt-mutex-design.txt
397    - description of the RealTime mutex implementation design.
398rt-mutex.txt
399    - desc. of RT-mutex subsystem with PI (Priority Inheritance) support.
400rtc.txt
401    - notes on how to use the Real Time Clock (aka CMOS clock) driver.
402s390/
403    - directory with info on using Linux on the IBM S390.
404scheduler/
405    - directory with info on the scheduler.
406scsi/
407    - directory with info on Linux scsi support.
408security/
409    - directory that contains security-related info
410serial/
411    - directory with info on the low level serial API.
412serial-console.txt
413    - how to set up Linux with a serial line console as the default.
414sgi-ioc4.txt
415    - description of the SGI IOC4 PCI (multi function) device.
416sh/
417    - directory with info on porting Linux to a new architecture.
418smsc_ece1099.txt
419    -info on the smsc Keyboard Scan Expansion/GPIO Expansion device.
420sound/
421    - directory with info on sound card support.
422sparse.txt
423    - info on how to obtain and use the sparse tool for typechecking.
424spi/
425    - overview of Linux kernel Serial Peripheral Interface (SPI) support.
426spinlocks.txt
427    - info on using spinlocks to provide exclusive access in kernel.
428stable_api_nonsense.txt
429    - info on why the kernel does not have a stable in-kernel api or abi.
430stable_kernel_rules.txt
431    - rules and procedures for the -stable kernel releases.
432static-keys.txt
433    - info on how static keys allow debug code in hotpaths via patching
434svga.txt
435    - short guide on selecting video modes at boot via VGA BIOS.
436sysfs-rules.txt
437    - How not to use sysfs.
438sysctl/
439    - directory with info on the /proc/sys/* files.
440sysrq.txt
441    - info on the magic SysRq key.
442target/
443    - directory with info on generating TCM v4 fabric .ko modules
444this_cpu_ops.txt
445    - List rationale behind and the way to use this_cpu operations.
446thermal/
447    - directory with information on managing thermal issues (CPU/temp)
448trace/
449    - directory with info on tracing technologies within linux
450unaligned-memory-access.txt
451    - info on how to avoid arch breaking unaligned memory access in code.
452unicode.txt
453    - info on the Unicode character/font mapping used in Linux.
454unshare.txt
455    - description of the Linux unshare system call.
456usb/
457    - directory with info regarding the Universal Serial Bus.
458vDSO/
459    - directory with info regarding virtual dynamic shared objects
460vfio.txt
461    - info on Virtual Function I/O used in guest/hypervisor instances.
462vgaarbiter.txt
463    - info on enable/disable the legacy decoding on different VGA devices
464video-output.txt
465    - sysfs class driver interface to enable/disable a video output device.
466video4linux/
467    - directory with info regarding video/TV/radio cards and linux.
468virtual/
469    - directory with information on the various linux virtualizations.
470vm/
471    - directory with info on the Linux vm code.
472vme_api.txt
473    - file relating info on the VME bus API in linux
474volatile-considered-harmful.txt
475    - Why the "volatile" type class should not be used
476w1/
477    - directory with documents regarding the 1-wire (w1) subsystem.
478watchdog/
479    - how to auto-reboot Linux if it has "fallen and can't get up". ;-)
480wimax/
481    - directory with info about Intel Wireless Wimax Connections
482workqueue.txt
483    - information on the Concurrency Managed Workqueue implementation
484ww-mutex-design.txt
485    - Intro to Mutex wait/would deadlock handling.s
486x86/x86_64/
487    - directory with info on Linux support for AMD x86-64 (Hammer) machines.
488xtensa/
489    - directory with documents relating to arch/xtensa port/implementation
490xz.txt
491    - how to make use of the XZ data compression within linux kernel
492zh_CN/
493    - directory with Chinese translations of various documents
494zorro.txt
495    - info on writing drivers for Zorro bus devices found on Amigas.
496

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