linux-yocto/Documentation/00-INDEX

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 inerrupt 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. 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. 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 dmaengine.txt -the DMA Engine 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 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 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.txt - overview of GPIO (General Purpose Input/Output) access conventions. hid/ - directory with information on human interface devices highuid.txt - notes on the change from 16 bit to 32 bit user/group IDs. 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. 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. 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. lockdep-design.txt - documentation on the runtime locking correctness validator. lockstat.txt - info on collecting statistics on locks (and contention). 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. m68k/ - directory with info about Linux on Motorola 68k architecture. magic-number.txt - list of magic numbers used to mark/protect kernel data structures. 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. memory.txt - info on typical Linux memory problems. 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 mtd/ - directory with info about memory technology devices (flash) mono.txt - how to execute Mono-based .NET binaries with the help of BINFMT_MISC. mutex-design.txt - info on the generic mutex subsystem. 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 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 rt-mutex-design.txt - description of the RealTime mutex implementation design. rt-mutex.txt - desc. of RT-mutex subsystem with PI (Priority Inheritance) support. 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. sgi-visws.txt - short blurb on the SGI Visual Workstations. 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. spinlocks.txt - info on using spinlocks to provide exclusive access in kernel. 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 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. 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.