Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 428 insertions, 0 deletions

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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.
+CodingStyle
+	- nothing here, just a pointer to process/coding-style.rst.
+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
+EDID/
+	- directory with info on customizing EDID for broken gfx/displays.
+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
+	- It's not of interest for those who aren't touching the build system.
+PCI/
+	- info related to PCI drivers.
+RCU/
+	- directory with info on RCU (read-copy update).
+SAK.txt
+	- info on Secure Attention Keys.
+SM501.txt
+	- Silicon Motion SM501 multimedia companion chip
+SubmittingPatches
+	- nothing here, just a pointer to process/coding-style.rst.
+accounting/
+	- documentation on accounting and taskstats.
+acpi/
+	- info on ACPI-specific hooks in the kernel.
+admin-guide/
+	- info related to Linux users and system admins.
+aoe/
+	- description of AoE (ATA over Ethernet) along with config examples.
+arm/
+	- directory with info about Linux on the ARM architecture.
+arm64/
+	- directory with info about Linux on the 64 bit ARM architecture.
+auxdisplay/
+	- misc. LCD driver documentation (cfag12864b, ks0108).
+backlight/
+	- directory with info on controlling backlights in flat panel displays
+block/
+	- info on the Block I/O (BIO) layer.
+blockdev/
+	- info on block devices & drivers
+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.
+cdrom/
+	- directory with information on the CD-ROM drivers that Linux has.
+cgroup-v1/
+	- cgroups v1 features, including cpusets and memory controller.
+cma/
+	- Continuous Memory Area (CMA) debugfs interface.
+conf.py
+	- It's not of interest for those who aren't touching the build system.
+connector/
+	- docs on the netlink based userspace<->kernel space communication mod.
+console/
+	- documentation on Linux console drivers.
+core-api/
+	- documentation on kernel core components.
+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
+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.
+dev-tools/
+	- directory with info on development tools for the kernel.
+device-mapper/
+	- directory with info on Device Mapper.
+dmaengine/
+	- the DMA engine and controller API guides.
+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
+docutils.conf
+	- nothing here. Just a configuration file for docutils.
+dontdiff
+	- file containing a list of files that should never be diff'ed.
+driver-api/
+	- the Linux driver implementer's API guide.
+driver-model/
+	- directory with info about Linux driver model.
+early-userspace/
+	- info about initramfs, klibc, and userspace early during boot.
+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.
+extcon/
+	- directory with porting guide for Android kernel switch driver.
+isa.txt
+	- info on EISA bus support.
+fault-injection/
+	- dir with docs about the fault injection capabilities infrastructure.
+fb/
+	- directory with info on the frame buffer graphics abstraction layer.
+features/
+	- status of feature implementation on different architectures.
+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
+fpga/
+	- FPGA Manager Core.
+futex-requeue-pi.txt
+	- info on requeueing of tasks from a non-PI futex to a PI futex
+gcc-plugins.txt
+	- GCC plugin infrastructure.
+gpio/
+	- gpio related documentation
+gpu/
+	- directory with information on GPU driver developer's guide.
+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).
+x86/i386/
+	- directory with info about Linux on Intel 32 bit architecture.
+ia64/
+	- directory with info about Linux on Intel 64 bit architecture.
+ide/
+	- Information regarding the Enhanced IDE drive.
+iio/
+	- info on industrial IIO configfs support.
+index.rst
+	- main index for the documentation at ReST format.
+infiniband/
+	- directory with documents concerning Linux InfiniBand support.
+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.
+kbuild/
+	- directory with info about the kernel build process.
+kdump/
+	- directory with mini HowTo on getting the crash dump code to work.
+doc-guide/
+	- how to write and format reStructuredText kernel documentation
+kernel-per-CPU-kthreads.txt
+	- List of all per-CPU kthreads and how they introduce jitter.
+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.
+livepatch/
+	- info on kernel live patching.
+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.
+lsm.txt
+	- Linux Security Modules: General Security Hooks for Linux
+lzo.txt
+	- kernel LZO decompressor input formats
+m68k/
+	- directory with info about Linux on Motorola 68k architecture.
+mailbox.txt
+	- How to write drivers for the common mailbox framework (IPC).
+md/
+	- directory with info about Linux Software RAID
+media/
+	- info on media drivers: uAPI, kAPI and driver documentation.
+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.
+men-chameleon-bus.txt
+	- info on MEN chameleon bus.
+mic/
+	- Intel Many Integrated Core (MIC) architecture device driver.
+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
+mtd/
+	- directory with info about memory technology devices (flash)
+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.
+nios2/
+	- Linux on the Nios II architecture.
+nommu-mmap.txt
+	- documentation about no-mmu memory mapping support.
+numastat.txt
+	- info on how to read Numa policy hit/miss statistics in sysfs.
+ntb.txt
+	- info on Non-Transparent Bridge (NTB) drivers.
+nvdimm/
+	- info on non-volatile devices.
+nvmem/
+	- info on non volatile memory framework.
+output/
+	- default directory where html/LaTeX/pdf files will be written.
+padata.txt
+	- An introduction to the "padata" parallel execution API
+parisc/
+	- directory with info on using Linux on PA-RISC architecture.
+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
+perf/
+	- info about the APM X-Gene SoC Performance Monitoring Unit (PMU).
+phy/
+	- ino on Samsung USB 2.0 PHY adaptation layer.
+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
+platform/
+	- List of supported hardware by compal and Dell laptop.
+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.
+process/
+	- how to work with the mainline kernel development process.
+pps/
+	- directory with information on the pulse-per-second support
+pti/
+	- directory with info on Intel MID PTI.
+ptp/
+	- directory with info on support for IEEE 1588 PTP clocks in Linux.
+pwm.txt
+	- info on the pulse width modulation driver subsystem
+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.
+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.
+spi/
+	- overview of Linux kernel Serial Peripheral Interface (SPI) support.
+sphinx/
+	- no documentation here, just files required by Sphinx toolchain.
+sphinx-static/
+	- no documentation here, just files required by Sphinx toolchain.
+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.
+sync_file.txt
+	- Sync file API guide.
+sysctl/
+	- directory with info on the /proc/sys/* files.
+target/
+	- directory with info on generating TCM v4 fabric .ko modules
+tee.txt
+	- info on the TEE subsystem and drivers
+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
+translations/
+	- translations of this document from English to another language
+unaligned-memory-access.txt
+	- info on how to avoid arch breaking unaligned memory access in code.
+unshare.txt
+	- description of the Linux unshare system call.
+usb/
+	- directory with info regarding the Universal Serial Bus.
+vfio.txt
+	- info on Virtual Function I/O used in guest/hypervisor instances.
+video-output.txt
+	- sysfs class driver interface to enable/disable a video output device.
+virtual/
+	- directory with information on the various linux virtualizations.
+vm/
+	- directory with info on the Linux vm code.
+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
+core-api/workqueue.rst
+	- 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
+zorro.txt
+	- info on writing drivers for Zorro bus devices found on Amigas.