| /linux/drivers/fsi/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
11 FSI - the FRU Support Interface - is a simple bus for low-level
12 access to POWER-based hardware.
17 bool "Create '/dev/fsi' directory for char devices"
21 located under a common /dev/fsi/ directory. Set to N unless your
29 symlinks in /dev/fsi/by-path when this option is enabled.
32 tristate "GPIO-based FSI master"
47 tristate "FSI master based on Aspeed ColdFire coprocessor"
77 This option enables an FSI based SCOM device driver.
83 This option enables an FSI based SBEFIFO device driver. The SBEFIFO is
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| /linux/drivers/thermal/testing/ |
| H A D | command.c | 1 // SPDX-License-Identifier: GPL-2.0
12 * It resides in the "thermal-testing" directory under the debugfs root and
21 * # echo addtz > /sys/kernel/debug/thermal-testing/command
23 * That template will be represented as a subdirectory in the "thermal-testing"
24 * directory, for example
26 * # ls /sys/kernel/debug/thermal-testing/
32 * # echo tzaddtrip:0 > /sys/kernel/debug/thermal-testing/command
35 * template 0 (represented by the tz0 subdirectory in "thermal-testing").
37 * # ls /sys/kernel/debug/thermal-testing/tz0
45 * The initial temperature of a thermal zone based on a template can be set by
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| /linux/Documentation/ABI/testing/ |
| H A D | sysfs-devices-soc | 5 The /sys/devices/ directory contains a sub-directory for each
6 System-on-Chip (SoC) device on a running platform. Information
10 The directory created for each SoC will also house information
19 Read-only attribute common to all SoCs. Contains the SoC machine
26 Read-only attribute common to all SoCs. Contains SoC family name
29 On many of ARM based silicon with SMCCC v1.2+ compliant firmware
57 Read-only attribute supported by most SoCs. Contains the SoC's
64 Read-only attribute supported by most SoCs. In the case of
65 ST-Ericsson's chips this contains the SoC serial number.
67 On many of ARM based silicon with SMCCC v1.2+ compliant firmware
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| H A D | sysfs-bus-optee-devices | 1 What: /sys/bus/tee/devices/optee-ta-<uuid>/
4 Contact: op-tee@lists.trustedfirmware.org
6 OP-TEE bus provides reference to registered drivers under this directory. The <uuid>
8 are free to create needed API under optee-ta-<uuid> directory.
10 What: /sys/bus/tee/devices/optee-ta-<uuid>/need_supplicant
13 Contact: op-tee@lists.trustedfirmware.org
15 Allows to distinguish whether an OP-TEE based TA/device requires user-space
16 tee-supplicant to function properly or not. This attribute will be present for
17 devices which depend on tee-supplicant to be running.
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| H A D | sysfs-kernel-mm-memory-tiers | 3 Contact: Linux memory management mailing list <linux-mm@kvack.org>
15 Contact: Linux memory management mailing list <linux-mm@kvack.org>
16 Description: Directory with details of a specific memory tier
18 This is the directory containing information about a particular
19 memory tier, memtierN, where N is derived based on abstract distance.
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| H A D | sysfs-firmware-opal-sensor-groups | 3 Contact: Linux for PowerPC mailing list <linuxppc-dev@lists.ozlabs.org>
4 Description: Sensor groups directory for POWER9 powernv servers
6 Each folder in this directory contains a sensor group
7 which are classified based on type of the sensor
10 different owners like CSM, Profiler, Job-Scheduler
14 Contact: Linux for PowerPC mailing list <linuxppc-dev@lists.ozlabs.org>
15 Description: Sysfs file to clear the min-max of all the sensors
20 In POWER9, the min-max of a sensor is the historical minimum
|
| H A D | sysfs-ptp | 5 This directory contains files and directories
13 This directory contains the attributes of the Nth PTP
24 name" and to help distinguish PHY based devices from
25 MAC based ones. The string does not necessarily have
41 Write integer to re-configure it.
88 This directory contains one file for each programmable
110 This write-only file enables or disables external
128 This write-only file enables or disables periodic
139 This write-only file enables or disables delivery of
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| /linux/fs/adfs/ |
| H A D | dir_f.c | 1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 1997-1999 Russell King
7 * E and F format directory handling
48 int _off = idx - (_buf << blocksize_bits);\
49 *(u8 *)(bh[_buf]->b_data + _off); \
54 int _off = idx - (_buf << blocksize_bits);\
55 *(__le32 *)(bh[_buf]->b_data + _off); \
60 int _off = _idx - (_buf << blocksize_bits);\
61 (void *)(_bh[_buf]->b_data + _off); \
72 struct buffer_head * const *bh = dir->bh; in adfs_dir_checkbyte()
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| /linux/tools/testing/ktest/examples/ |
| H A D | README | 1 This directory contains example configs to use ktest for various tasks.
6 The configs are based off of real working configs but have been modified
10 crosstests.conf - this config shows an example of testing a git repo against
16 test.conf - A generic example of a config. This is based on an actual config
19 kvm.conf - A example of a config that is used to test a virtual guest running
22 snowball.conf - An example config that was used to demo ktest.pl against
25 include/ - The include directory holds default configs that can be
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| /linux/Documentation/litmus-tests/ |
| H A D | README | 8 a kernel test module based on a litmus test, please see
9 tools/memory-model/README.
12 atomic (/atomic directory)
13 --------------------------
15 Atomic-RMW+mb__after_atomic-is-stronger-than-acquire.litmus
20 Atomic-RMW-ops-are-atomic-WRT-atomic_set.litmus
24 cmpxchg-fail-ordered-1.litmus
28 cmpxchg-fail-ordered-2.litmus
32 cmpxchg-fail-unordered-1.litmus
36 cmpxchg-fail-unordered-2.litmus
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| /linux/include/xen/ |
| H A D | xen-front-pgdir-shbuf.h | 1 /* SPDX-License-Identifier: GPL-2.0 OR MIT */
4 * Xen frontend/backend page directory based shared buffer
25 * - for frontend allocated/imported buffers this holds the number
26 * of grant references for the page directory and the pages
29 * - for the buffer provided by the backend this only holds the number
30 * of grant references for the page directory itself as grant
35 /* Page directory backing storage. */
36 u8 *directory; member
40 * directory).
67 * This is allocated outside because there are use-cases when
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| /linux/include/uapi/linux/ |
| H A D | inotify.h | 1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
3 * Inode based directory notification for Linux
16 * struct inotify_event - structure read from the inotify device for each event
18 * When you are watching a directory, you will receive the filename for events
29 /* the following are legal, implemented events that user-space can watch for */
53 #define IN_ONLYDIR 0x01000000 /* only watch the path if it is a directory */
62 * All of the events - we build the list by hand so that we can add flags in
77 * except historical FIONREAD, which is based on 'T'.
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| /linux/Documentation/admin-guide/mm/ |
| H A D | numaperf.rst | 14 under different domains, or "nodes", based on locality and performance
21 +------------------+ +------------------+
22 | Compute Node 0 +-----+ Compute Node 1 |
24 +--------+---------+ +--------+---------+
26 +--------+---------+ +--------+---------+
28 +------------------+ +--------+---------+
36 performance when accessing a given memory target. Each initiator-target
48 # symlinks -v /sys/devices/system/node/nodeX/access0/targets/
49 relative: /sys/devices/system/node/nodeX/access0/targets/nodeY -> ../../nodeY
51 # symlinks -v /sys/devices/system/node/nodeY/access0/initiators/
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| /linux/drivers/xen/ |
| H A D | xen-front-pgdir-shbuf.c | 1 // SPDX-License-Identifier: GPL-2.0 OR MIT
4 * Xen frontend/backend page directory based shared buffer
22 #include <xen/xen-front-pgdir-shbuf.h>
27 * buffer. This structure is common to many Xen para-virtualized
45 * e.g. if grefs are required for page directory only or the buffer
50 /* Fill page directory according to para-virtual display protocol. */
66 * page directory. Usually this is passed to the backend,
70 * \param buf shared buffer which page directory is of interest.
72 * page directory.
77 if (!buf->grefs) in xen_front_pgdir_shbuf_get_dir_start()
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| /linux/Documentation/admin-guide/perf/ |
| H A D | dwc_pcie_pmu.rst | 9 Port in a Vendor-Specific Extended Capability named RAS D.E.S (Debug, Error
17 - one 64-bit counter for Time Based Analysis (RX/TX data throughput and
18 time spent in each low-power LTSSM state) and
19 - one 32-bit counter per event for Event Counting (error and non-error
24 Time Based Analysis
25 -------------------
28 throughput and time spent in each low-power LTSSM state by the controller.
31 - Group#0: Percentage of time the controller stays in LTSSM states.
32 - Group#1: Amount of data processed (Units of 16 bytes).
35 -------------------
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| H A D | arm-ccn.rst | 5 CCN-504 is a ring-bus interconnect consisting of 11 crosspoints
11 -----------------
17 The "format" directory describes format of the config, config1
19 directory provides configuration templates for all documented
29 Crosspoint watchpoint-based events (special "event" value 0xfe)
36 directory, with first 8 configurable by user and additional
45 request the events on this processor (if not, the perf_event->cpu value
57 / # perf stat -a -e ccn/cycles/,ccn/xp_valid_flit,xp=1,port=0,vc=1,dir=1/ \
61 not work. Per-task (without "-a") perf sessions are not supported.
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| /linux/tools/perf/ |
| H A D | Makefile | 1 # SPDX-License-Identifier: GPL-2.0
4 # with a -j option to do parallel builds
6 # If you want to invoke the perf build in some non-standard way then
7 # you can use the 'make -f Makefile.perf' method to invoke it.
11 # Clear out the built-in rules GNU make defines by default (such as .o targets),
17 # We don't want to pass along options like -j:
22 # Do a parallel build with multiple jobs, based on the number of CPUs online
23 # in this system: 'make -j8' on a 8-CPU system, etc.
28 …JOBS := $(shell (getconf _NPROCESSORS_ONLN || grep -E -c '^processor|^CPU[0-9]' /proc/cpuinfo) 2>/…
35 # Only pass canonical directory names as the output directory:
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| /linux/fs/ceph/ |
| H A D | ioctl.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
11 * CEPH_IOC_GET_LAYOUT - get file layout or dir layout policy
12 * CEPH_IOC_SET_LAYOUT - set file layout
13 * CEPH_IOC_SET_LAYOUT_POLICY - set dir layout policy
20 * Files get a new layout based on the policy set on the containing
21 * directory or one of its ancestors. The GET_LAYOUT ioctl will let
22 * you examine the layout for a file or the policy on a directory.
29 * on a directory that will apply to any new files created in that
30 * directory (or any child directory that doesn't specify a layout of
39 /* obsolete. new values ignored, always return -1 */
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| /linux/scripts/clang-tools/ |
| H A D | gen_compile_commands.py | 2 # SPDX-License-Identifier: GPL-2.0
24 # The tools/ directory adopts a different build system, and produces .cmd
29 """Sets up and parses command-line arguments.
33 directory: The work directory where the objects were built.
35 output: Where to write the compile-commands JSON file.
41 directory_help = ('specify the output directory used for the kernel build '
42 '(defaults to the working directory)')
73 cmdfiles_in_dir(directory) global() argument
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| /linux/tools/perf/pmu-events/ |
| H A D | README | 2 The contents of this directory allow users to specify PMU events in their
5 The main program in this directory, is the 'jevents', which is built and
8 The 'jevents' program tries to locate and process JSON files in the directory
9 tree tools/perf/pmu-events/arch/foo.
11 - Regular files with '.json' extension in the name are assumed to be
14 - The CSV file that maps a specific CPU to its set of PMU events is to
17 - Directories are traversed, but all other files are ignored.
19 - To reduce JSON event duplication per architecture, platform JSONs may
23 folder. Matching is based on the "EventName" field.
26 such as Pipelining, Cache, Memory, Floating-point etc. All events for a topic
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| /linux/Documentation/iio/ |
| H A D | iio_configfs.rst | 8 Configfs is a filesystem-based manager of kernel objects. IIO uses some
21 Then, mount the configfs filesystem (usually under /config directory)::
24 $ mount -t configfs none /config
42 * drivers/iio/trigger/iio-trig-sample.c
69 .name = "trig-sample",
76 Each trigger type has its own directory under /config/iio/triggers. Loading
77 iio-trig-sample module will create 'trig-sample' trigger type directory
78 /config/iio/triggers/trig-sample.
85 ---------------------------------------------
87 Loading iio-trig-hrtimer module will register hrtimer trigger types allowing
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| /linux/Documentation/networking/device_drivers/ethernet/dlink/ |
| H A D | dl2k.rst | 1 .. SPDX-License-Identifier: GPL-2.0
4 D-Link DL2000-based Gigabit Ethernet Adapter Installation
11 - Compatibility List
12 - Quick Install
13 - Compiling the Driver
14 - Installing the Driver
15 - Option parameter
16 - Configuration Script Sample
17 - Troubleshooting
25 - D-Link DGE-550T Gigabit Ethernet Adapter.
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| /linux/kernel/gcov/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
2 menu "GCOV-based kernel profiling"
5 bool "Enable gcov-based kernel profiling"
11 This option enables gcov-based code profiling (e.g. for code coverage
24 For all files in one directory:
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| /linux/Documentation/filesystems/ |
| H A D | erofs.rst | 1 .. SPDX-License-Identifier: GPL-2.0
4 EROFS - Enhanced Read-Only File System
10 EROFS (Enhanced Read-Only File System) is a modern, efficient, and secure
11 read-only kernel filesystem designed for various use cases including immutable
16 which allows golden images to be built once and mounted everywhere -- images are
17 bit-for-bit identical across all deployments and can be verified, audited, or
20 overlayfs for copy-on-write-style redirection, by design).
23 flexible, hierarchical on-disk design so that needed features can be enabled on
24 demand. Filesystem data in the core format is strictly block-aligned in order
26 memory-backed devices. The on-disk format is easy to parse and purposely avoids
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| /linux/scripts/kconfig/tests/ |
| H A D | conftest.py | 1 # SPDX-License-Identifier: GPL-2.0
24 This class provides methods to run text-based interface of Kconfig
35 # the directory of the test being run
42 """Run text-based Kconfig executable and save the result.
44 mode: input mode option (--oldaskconfig, --defconfig=<file> etc.)
54 command.append('-s')
57 # Override 'srctree' environment to make the test as the top directory
64 # Run Kconfig in a temporary directory.
65 # This directory is automatically removed when done.
68 # if .config is given, copy it to the working directory
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