Based on kernel version 4.15. Page generated on 2018-01-29 09:59 EST.
1 2 This is a brief list of all the files in ./linux/Documentation and what 3 they contain. If you add a documentation file, please list it here in 4 alphabetical order as well, or risk being hunted down like a rabid dog. 5 Please keep the descriptions small enough to fit on one line. 6 Thanks -- Paul G. 7 8 Following translations are available on the WWW: 9 10 - Japanese, maintained by the JF Project (email@example.com), at 11 http://linuxjf.sourceforge.jp/ 12 13 00-INDEX 14 - this file. 15 ABI/ 16 - info on kernel <-> userspace ABI and relative interface stability. 17 CodingStyle 18 - nothing here, just a pointer to process/coding-style.rst. 19 DMA-API.txt 20 - DMA API, pci_ API & extensions for non-consistent memory machines. 21 DMA-API-HOWTO.txt 22 - Dynamic DMA mapping Guide 23 DMA-ISA-LPC.txt 24 - How to do DMA with ISA (and LPC) devices. 25 DMA-attributes.txt 26 - listing of the various possible attributes a DMA region can have 27 EDID/ 28 - directory with info on customizing EDID for broken gfx/displays. 29 IPMI.txt 30 - info on Linux Intelligent Platform Management Interface (IPMI) Driver. 31 IRQ-affinity.txt 32 - how to select which CPU(s) handle which interrupt events on SMP. 33 IRQ-domain.txt 34 - info on interrupt numbering and setting up IRQ domains. 35 IRQ.txt 36 - description of what an IRQ is. 37 Intel-IOMMU.txt 38 - basic info on the Intel IOMMU virtualization support. 39 Makefile 40 - It's not of interest for those who aren't touching the build system. 41 PCI/ 42 - info related to PCI drivers. 43 RCU/ 44 - directory with info on RCU (read-copy update). 45 SAK.txt 46 - info on Secure Attention Keys. 47 SM501.txt 48 - Silicon Motion SM501 multimedia companion chip 49 SubmittingPatches 50 - nothing here, just a pointer to process/coding-style.rst. 51 accounting/ 52 - documentation on accounting and taskstats. 53 acpi/ 54 - info on ACPI-specific hooks in the kernel. 55 admin-guide/ 56 - info related to Linux users and system admins. 57 aoe/ 58 - description of AoE (ATA over Ethernet) along with config examples. 59 arm/ 60 - directory with info about Linux on the ARM architecture. 61 arm64/ 62 - directory with info about Linux on the 64 bit ARM architecture. 63 auxdisplay/ 64 - misc. LCD driver documentation (cfag12864b, ks0108). 65 backlight/ 66 - directory with info on controlling backlights in flat panel displays 67 bcache.txt 68 - Block-layer cache on fast SSDs to improve slow (raid) I/O performance. 69 blackfin/ 70 - directory with documentation for the Blackfin arch. 71 block/ 72 - info on the Block I/O (BIO) layer. 73 blockdev/ 74 - info on block devices & drivers 75 bt8xxgpio.txt 76 - info on how to modify a bt8xx video card for GPIO usage. 77 btmrvl.txt 78 - info on Marvell Bluetooth driver usage. 79 bus-devices/ 80 - directory with info on TI GPMC (General Purpose Memory Controller) 81 bus-virt-phys-mapping.txt 82 - how to access I/O mapped memory from within device drivers. 83 cachetlb.txt 84 - describes the cache/TLB flushing interfaces Linux uses. 85 cdrom/ 86 - directory with information on the CD-ROM drivers that Linux has. 87 cgroup-v1/ 88 - cgroups v1 features, including cpusets and memory controller. 89 cgroup-v2.txt 90 - cgroups v2 features, including cpusets and memory controller. 91 circular-buffers.txt 92 - how to make use of the existing circular buffer infrastructure 93 clk.txt 94 - info on the common clock framework 95 cma/ 96 - Continuous Memory Area (CMA) debugfs interface. 97 conf.py 98 - It's not of interest for those who aren't touching the build system. 99 connector/ 100 - docs on the netlink based userspace<->kernel space communication mod. 101 console/ 102 - documentation on Linux console drivers. 103 core-api/ 104 - documentation on kernel core components. 105 cpu-freq/ 106 - info on CPU frequency and voltage scaling. 107 cpu-hotplug.txt 108 - document describing CPU hotplug support in the Linux kernel. 109 cpu-load.txt 110 - document describing how CPU load statistics are collected. 111 cpuidle/ 112 - info on CPU_IDLE, CPU idle state management subsystem. 113 cputopology.txt 114 - documentation on how CPU topology info is exported via sysfs. 115 crc32.txt 116 - brief tutorial on CRC computation 117 cris/ 118 - directory with info about Linux on CRIS architecture. 119 crypto/ 120 - directory with info on the Crypto API. 121 dcdbas.txt 122 - information on the Dell Systems Management Base Driver. 123 debugging-modules.txt 124 - some notes on debugging modules after Linux 2.6.3. 125 debugging-via-ohci1394.txt 126 - how to use firewire like a hardware debugger memory reader. 127 dell_rbu.txt 128 - document demonstrating the use of the Dell Remote BIOS Update driver. 129 dev-tools/ 130 - directory with info on development tools for the kernel. 131 device-mapper/ 132 - directory with info on Device Mapper. 133 dmaengine/ 134 - the DMA engine and controller API guides. 135 devicetree/ 136 - directory with info on device tree files used by OF/PowerPC/ARM 137 digsig.txt 138 -info on the Digital Signature Verification API 139 dma-buf-sharing.txt 140 - the DMA Buffer Sharing API Guide 141 docutils.conf 142 - nothing here. Just a configuration file for docutils. 143 dontdiff 144 - file containing a list of files that should never be diff'ed. 145 driver-api/ 146 - the Linux driver implementer's API guide. 147 driver-model/ 148 - directory with info about Linux driver model. 149 early-userspace/ 150 - info about initramfs, klibc, and userspace early during boot. 151 efi-stub.txt 152 - How to use the EFI boot stub to bypass GRUB or elilo on EFI systems. 153 eisa.txt 154 - info on EISA bus support. 155 extcon/ 156 - directory with porting guide for Android kernel switch driver. 157 isa.txt 158 - info on EISA bus support. 159 fault-injection/ 160 - dir with docs about the fault injection capabilities infrastructure. 161 fb/ 162 - directory with info on the frame buffer graphics abstraction layer. 163 features/ 164 - status of feature implementation on different architectures. 165 filesystems/ 166 - info on the vfs and the various filesystems that Linux supports. 167 firmware_class/ 168 - request_firmware() hotplug interface info. 169 flexible-arrays.txt 170 - how to make use of flexible sized arrays in linux 171 fmc/ 172 - information about the FMC bus abstraction 173 fpga/ 174 - FPGA Manager Core. 175 frv/ 176 - Fujitsu FR-V Linux documentation. 177 futex-requeue-pi.txt 178 - info on requeueing of tasks from a non-PI futex to a PI futex 179 gcc-plugins.txt 180 - GCC plugin infrastructure. 181 gpio/ 182 - gpio related documentation 183 gpu/ 184 - directory with information on GPU driver developer's guide. 185 hid/ 186 - directory with information on human interface devices 187 highuid.txt 188 - notes on the change from 16 bit to 32 bit user/group IDs. 189 hwspinlock.txt 190 - hardware spinlock provides hardware assistance for synchronization 191 timers/ 192 - info on the timer related topics 193 hw_random.txt 194 - info on Linux support for random number generator in i8xx chipsets. 195 hwmon/ 196 - directory with docs on various hardware monitoring drivers. 197 i2c/ 198 - directory with info about the I2C bus/protocol (2 wire, kHz speed). 199 x86/i386/ 200 - directory with info about Linux on Intel 32 bit architecture. 201 ia64/ 202 - directory with info about Linux on Intel 64 bit architecture. 203 ide/ 204 - Information regarding the Enhanced IDE drive. 205 iio/ 206 - info on industrial IIO configfs support. 207 index.rst 208 - main index for the documentation at ReST format. 209 infiniband/ 210 - directory with documents concerning Linux InfiniBand support. 211 input/ 212 - info on Linux input device support. 213 intel_txt.txt 214 - info on intel Trusted Execution Technology (intel TXT). 215 io-mapping.txt 216 - description of io_mapping functions in linux/io-mapping.h 217 io_ordering.txt 218 - info on ordering I/O writes to memory-mapped addresses. 219 ioctl/ 220 - directory with documents describing various IOCTL calls. 221 iostats.txt 222 - info on I/O statistics Linux kernel provides. 223 irqflags-tracing.txt 224 - how to use the irq-flags tracing feature. 225 isapnp.txt 226 - info on Linux ISA Plug & Play support. 227 isdn/ 228 - directory with info on the Linux ISDN support, and supported cards. 229 kbuild/ 230 - directory with info about the kernel build process. 231 kernel-doc-nano-HOWTO.txt 232 - outdated info about kernel-doc documentation. 233 kdump/ 234 - directory with mini HowTo on getting the crash dump code to work. 235 doc-guide/ 236 - how to write and format reStructuredText kernel documentation 237 kernel-per-CPU-kthreads.txt 238 - List of all per-CPU kthreads and how they introduce jitter. 239 kobject.txt 240 - info of the kobject infrastructure of the Linux kernel. 241 kprobes.txt 242 - documents the kernel probes debugging feature. 243 kref.txt 244 - docs on adding reference counters (krefs) to kernel objects. 245 laptops/ 246 - directory with laptop related info and laptop driver documentation. 247 ldm.txt 248 - a brief description of LDM (Windows Dynamic Disks). 249 leds/ 250 - directory with info about LED handling under Linux. 251 livepatch/ 252 - info on kernel live patching. 253 locking/ 254 - directory with info about kernel locking primitives 255 lockup-watchdogs.txt 256 - info on soft and hard lockup detectors (aka nmi_watchdog). 257 logo.gif 258 - full colour GIF image of Linux logo (penguin - Tux). 259 logo.txt 260 - info on creator of above logo & site to get additional images from. 261 lsm.txt 262 - Linux Security Modules: General Security Hooks for Linux 263 lzo.txt 264 - kernel LZO decompressor input formats 265 m68k/ 266 - directory with info about Linux on Motorola 68k architecture. 267 mailbox.txt 268 - How to write drivers for the common mailbox framework (IPC). 269 md/ 270 - directory with info about Linux Software RAID 271 media/ 272 - info on media drivers: uAPI, kAPI and driver documentation. 273 memory-barriers.txt 274 - info on Linux kernel memory barriers. 275 memory-devices/ 276 - directory with info on parts like the Texas Instruments EMIF driver 277 memory-hotplug.txt 278 - Hotpluggable memory support, how to use and current status. 279 men-chameleon-bus.txt 280 - info on MEN chameleon bus. 281 metag/ 282 - directory with info about Linux on Meta architecture. 283 mic/ 284 - Intel Many Integrated Core (MIC) architecture device driver. 285 mips/ 286 - directory with info about Linux on MIPS architecture. 287 misc-devices/ 288 - directory with info about devices using the misc dev subsystem 289 mmc/ 290 - directory with info about the MMC subsystem 291 mn10300/ 292 - directory with info about the mn10300 architecture port 293 mtd/ 294 - directory with info about memory technology devices (flash) 295 namespaces/ 296 - directory with various information about namespaces 297 netlabel/ 298 - directory with information on the NetLabel subsystem. 299 networking/ 300 - directory with info on various aspects of networking with Linux. 301 nfc/ 302 - directory relating info about Near Field Communications support. 303 nios2/ 304 - Linux on the Nios II architecture. 305 nommu-mmap.txt 306 - documentation about no-mmu memory mapping support. 307 numastat.txt 308 - info on how to read Numa policy hit/miss statistics in sysfs. 309 ntb.txt 310 - info on Non-Transparent Bridge (NTB) drivers. 311 nvdimm/ 312 - info on non-volatile devices. 313 nvmem/ 314 - info on non volatile memory framework. 315 output/ 316 - default directory where html/LaTeX/pdf files will be written. 317 padata.txt 318 - An introduction to the "padata" parallel execution API 319 parisc/ 320 - directory with info on using Linux on PA-RISC architecture. 321 parport-lowlevel.txt 322 - description and usage of the low level parallel port functions. 323 pcmcia/ 324 - info on the Linux PCMCIA driver. 325 percpu-rw-semaphore.txt 326 - RCU based read-write semaphore optimized for locking for reading 327 perf/ 328 - info about the APM X-Gene SoC Performance Monitoring Unit (PMU). 329 phy/ 330 - ino on Samsung USB 2.0 PHY adaptation layer. 331 phy.txt 332 - Description of the generic PHY framework. 333 pi-futex.txt 334 - documentation on lightweight priority inheritance futexes. 335 pinctrl.txt 336 - info on pinctrl subsystem and the PINMUX/PINCONF and drivers 337 platform/ 338 - List of supported hardware by compal and Dell laptop. 339 pnp.txt 340 - Linux Plug and Play documentation. 341 power/ 342 - directory with info on Linux PCI power management. 343 powerpc/ 344 - directory with info on using Linux with the PowerPC. 345 prctl/ 346 - directory with info on the priveledge control subsystem 347 preempt-locking.txt 348 - info on locking under a preemptive kernel. 349 printk-formats.txt 350 - how to get printk format specifiers right 351 process/ 352 - how to work with the mainline kernel development process. 353 pps/ 354 - directory with information on the pulse-per-second support 355 pti/ 356 - directory with info on Intel MID PTI. 357 ptp/ 358 - directory with info on support for IEEE 1588 PTP clocks in Linux. 359 pwm.txt 360 - info on the pulse width modulation driver subsystem 361 rapidio/ 362 - directory with info on RapidIO packet-based fabric interconnect 363 rbtree.txt 364 - info on what red-black trees are and what they are for. 365 remoteproc.txt 366 - info on how to handle remote processor (e.g. AMP) offloads/usage. 367 rfkill.txt 368 - info on the radio frequency kill switch subsystem/support. 369 robust-futex-ABI.txt 370 - documentation of the robust futex ABI. 371 robust-futexes.txt 372 - a description of what robust futexes are. 373 rpmsg.txt 374 - info on the Remote Processor Messaging (rpmsg) Framework 375 rtc.txt 376 - notes on how to use the Real Time Clock (aka CMOS clock) driver. 377 s390/ 378 - directory with info on using Linux on the IBM S390. 379 scheduler/ 380 - directory with info on the scheduler. 381 scsi/ 382 - directory with info on Linux scsi support. 383 security/ 384 - directory that contains security-related info 385 serial/ 386 - directory with info on the low level serial API. 387 sgi-ioc4.txt 388 - description of the SGI IOC4 PCI (multi function) device. 389 sh/ 390 - directory with info on porting Linux to a new architecture. 391 smsc_ece1099.txt 392 -info on the smsc Keyboard Scan Expansion/GPIO Expansion device. 393 sound/ 394 - directory with info on sound card support. 395 spi/ 396 - overview of Linux kernel Serial Peripheral Interface (SPI) support. 397 sphinx/ 398 - no documentation here, just files required by Sphinx toolchain. 399 sphinx-static/ 400 - no documentation here, just files required by Sphinx toolchain. 401 static-keys.txt 402 - info on how static keys allow debug code in hotpaths via patching 403 svga.txt 404 - short guide on selecting video modes at boot via VGA BIOS. 405 sync_file.txt 406 - Sync file API guide. 407 sysctl/ 408 - directory with info on the /proc/sys/* files. 409 target/ 410 - directory with info on generating TCM v4 fabric .ko modules 411 tee.txt 412 - info on the TEE subsystem and drivers 413 this_cpu_ops.txt 414 - List rationale behind and the way to use this_cpu operations. 415 thermal/ 416 - directory with information on managing thermal issues (CPU/temp) 417 trace/ 418 - directory with info on tracing technologies within linux 419 translations/ 420 - translations of this document from English to another language 421 unaligned-memory-access.txt 422 - info on how to avoid arch breaking unaligned memory access in code. 423 unshare.txt 424 - description of the Linux unshare system call. 425 usb/ 426 - directory with info regarding the Universal Serial Bus. 427 vfio.txt 428 - info on Virtual Function I/O used in guest/hypervisor instances. 429 video-output.txt 430 - sysfs class driver interface to enable/disable a video output device. 431 virtual/ 432 - directory with information on the various linux virtualizations. 433 vm/ 434 - directory with info on the Linux vm code. 435 w1/ 436 - directory with documents regarding the 1-wire (w1) subsystem. 437 watchdog/ 438 - how to auto-reboot Linux if it has "fallen and can't get up". ;-) 439 wimax/ 440 - directory with info about Intel Wireless Wimax Connections 441 core-api/workqueue.rst 442 - information on the Concurrency Managed Workqueue implementation 443 x86/x86_64/ 444 - directory with info on Linux support for AMD x86-64 (Hammer) machines. 445 xillybus.txt 446 - Overview and basic ui of xillybus driver 447 xtensa/ 448 - directory with documents relating to arch/xtensa port/implementation 449 xz.txt 450 - how to make use of the XZ data compression within linux kernel 451 zorro.txt 452 - info on writing drivers for Zorro bus devices found on Amigas.