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/Linux-v5.15/drivers/acpi/acpica/
Dutstrtoul64.c1 // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
4 * Module Name: utstrtoul64 - String-to-integer conversion support for both
5 * 64-bit and 32-bit integers
17 * This module contains the top-level string to 64/32-bit unsigned integer
20 * 1) A standard strtoul() function that supports 64-bit integers, base
23 * constants than the runtime (interpreter) integer-to-string conversions.
29 * iASL - Preprocessor (constants and math expressions)
30 * iASL - Main parser, conversion of constants to integers
31 * iASL - Data Table Compiler parser (constants and math expressions)
32 * interpreter - Implicit and explicit conversions, GPE method names
[all …]
Dutstrsuppt.c1 // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
4 * Module Name: utstrsuppt - Support functions for string-to-integer conversion
27 * PARAMETERS: string - Null terminated input string
28 * return_value_ptr - Where the converted value is returned
30 * RETURN: Status and 64-bit converted integer
32 * DESCRIPTION: Performs a base 8 conversion of the input string to an
35 * NOTE: Maximum 64-bit unsigned octal value is 01777777777777777777777
36 * Maximum 32-bit unsigned octal value is 037777777777
40 acpi_status acpi_ut_convert_octal_string(char *string, u64 *return_value_ptr) in acpi_ut_convert_octal_string() argument
45 /* Convert each ASCII byte in the input string */ in acpi_ut_convert_octal_string()
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Dexconcat.c1 // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
4 * Module Name: exconcat - Concatenate-type AML operators
6 * Copyright (C) 2000 - 2021, Intel Corp.
27 * PARAMETERS: operand0 - First source object
28 * operand1 - Second source object
29 * actual_return_desc - Where to place the return object
30 * walk_state - Current walk state
34 * DESCRIPTION: Concatenate two objects with the ACPI-defined conversion
37 * Per the ACPI spec (up to 6.1), Concatenate only supports Integer,
38 * String, and Buffer objects. However, we support all objects here
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/Linux-v5.15/tools/power/x86/x86_energy_perf_policy/
Dx86_energy_perf_policy.81 .\" This page Copyright (C) 2010 - 2015 Len Brown <len.brown@intel.com>
5 x86_energy_perf_policy \- Manage Energy vs. Performance Policy via x86 Model Specific Registers
10 .RB "scope: \-\-cpu\ cpu-list | \-\-pkg\ pkg-list"
12 .RB "cpu-list, pkg-list: # | #,# | #-# | all"
14 .RB "field: \-\-all | \-\-epb | \-\-hwp-epp | \-\-hwp-min | \-\-hwp-max | \-\-hwp-desired"
16 .RB "other: (\-\-force | \-\-hwp-enable | \-\-turbo-enable) value)"
18 .RB "value: # | default | performance | balance-performance | balance-power | power"
21 displays and updates energy-performance policy settings specific to
23 updates, no matter if the Linux cpufreq sub-system is enabled or not.
27 such as how aggressively the hardware enters and exits CPU idle states (C-states)
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/Linux-v5.15/Documentation/devicetree/bindings/usb/
Dbrcm,usb-pinmap.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/usb/brcm,usb-pinmap.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Al Cooper <alcooperx@gmail.com>
15 - const: brcm,usb-pinmap
22 description: Interrupt for signals mirrored to out-gpios.
24 in-gpios:
29 brcm,in-functions:
30 $ref: /schemas/types.yaml#/definitions/string-array
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/Linux-v5.15/Documentation/ABI/testing/
Dconfigfs-usb-gadget1 What: /config/usb-gadget
5 This group contains sub-groups corresponding to created
8 What: /config/usb-gadget/gadget
18 to bind a gadget, empty string "" to unbind.
21 names are super-speed-plus, super-speed,
22 high-speed, full-speed, and low-speed.
34 What: /config/usb-gadget/gadget/configs
40 What: /config/usb-gadget/gadget/configs/config
51 What: /config/usb-gadget/gadget/configs/config/strings
55 This group contains subdirectories for language-specific
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/Linux-v5.15/Documentation/networking/
Dalias.rst1 .. SPDX-License-Identifier: GPL-2.0
4 IP-Aliasing
7 IP-aliases are an obsolete way to manage multiple IP-addresses/masks
8 per interface. Newer tools such as iproute2 support multiple
9 address/prefixes per interface, but aliases are still supported
12 An alias is formed by adding a colon and a string when running ifconfig.
13 This string is usually numeric, but this is not a must.
24 ~~ -> request alias #0 creation (if not yet exists) for eth0
36 ~~~~~~~~~~ -> will delete alias
39 Alias (re-)configuring
/Linux-v5.15/Documentation/devicetree/bindings/arm/
Dcci.txt5 ARM multi-cluster systems maintain intra-cluster coherency through a
11 space and multiple sets of interface control registers, one per slave
21 root node (ie from CPUs perspective as per DT standard).
24 - compatible
26 Value type: <string>
28 "arm,cci-400"
29 "arm,cci-500"
30 "arm,cci-550"
32 - reg
40 - ranges:
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/Linux-v5.15/Documentation/devicetree/bindings/mmc/
Dsdhci-msm.txt1 * Qualcomm SDHCI controller (sdhci-msm)
4 and the properties used by the sdhci-msm driver.
7 - compatible: Should contain a SoC-specific string and a IP version string:
9 "qcom,sdhci-msm-v4" for sdcc versions less than 5.0
10 "qcom,sdhci-msm-v5" for sdcc version 5.0
13 string is added to support this change - "qcom,sdhci-msm-v5".
15 "qcom,apq8084-sdhci", "qcom,sdhci-msm-v4"
16 "qcom,msm8974-sdhci", "qcom,sdhci-msm-v4"
17 "qcom,msm8916-sdhci", "qcom,sdhci-msm-v4"
18 "qcom,msm8992-sdhci", "qcom,sdhci-msm-v4"
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/Linux-v5.15/Documentation/devicetree/bindings/ufs/
Dufshcd-pltfrm.txt3 UFSHC nodes are defined to describe on-chip UFS host controllers.
7 - compatible : must contain "jedec,ufs-1.1" or "jedec,ufs-2.0"
10 SoC-specific compatible along with "qcom,ufshc" and
11 the appropriate jedec string:
12 "qcom,msm8994-ufshc", "qcom,ufshc", "jedec,ufs-2.0"
13 "qcom,msm8996-ufshc", "qcom,ufshc", "jedec,ufs-2.0"
14 "qcom,msm8998-ufshc", "qcom,ufshc", "jedec,ufs-2.0"
15 "qcom,sdm845-ufshc", "qcom,ufshc", "jedec,ufs-2.0"
16 "qcom,sm8150-ufshc", "qcom,ufshc", "jedec,ufs-2.0"
17 "qcom,sm8250-ufshc", "qcom,ufshc", "jedec,ufs-2.0"
[all …]
/Linux-v5.15/arch/arm64/lib/
Dstrlen.S1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (c) 2013-2021, Arm Limited.
6 * https://github.com/ARM-software/optimized-routines/blob/98e4d6a5c13c8e54/string/aarch64/strlen.S
11 #include <asm/mte-def.h>
15 * ARMv8-a, AArch64, unaligned accesses, min page size 4k.
36 /* NUL detection works on the principle that (X - 1) & (~X) & 0x80
37 (=> (X - 1) & ~(X | 0x7f)) is non-zero iff a byte is zero, and
39 (X - 1) & 0x80 is zero for non-NUL ASCII characters, but gives
48 * (16-byte) granularity, and we must ensure that no access straddles this
58 of the string for a NUL character. In order to do an unaligned ldp
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/Linux-v5.15/Documentation/devicetree/bindings/leds/backlight/
Dqcom-wled.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/backlight/qcom-wled.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Bjorn Andersson <bjorn.andersson@linaro.org>
11 - Kiran Gunda <kgunda@codeaurora.org>
21 - qcom,pm8941-wled
22 - qcom,pmi8994-wled
23 - qcom,pmi8998-wled
24 - qcom,pm660l-wled
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/Linux-v5.15/tools/testing/selftests/rcutorture/configs/rcu/
Dver_functions.sh2 # SPDX-License-Identifier: GPL-2.0+
4 # Kernel-version-dependent shell functions for the rest of the scripts.
10 # rcutorture_param_n_barrier_cbs bootparam-string
14 if echo $1 | grep -q "rcutorture\.n_barrier_cbs"
22 # rcutorture_param_onoff bootparam-string config-file
28 echo CPU-hotplug kernel, adding rcutorture onoff. 1>&2
33 # per_version_boot_params bootparam-string config-file seconds
35 # Adds per-version torture-module parameters to kernels supporting them.
/Linux-v5.15/lib/
Dseq_buf.c1 // SPDX-License-Identifier: GPL-2.0
21 * seq_buf_can_fit - can the new data fit in the current buffer?
30 return s->len + len <= s->size; in seq_buf_can_fit()
34 * seq_buf_print_seq - move the contents of seq_buf into a seq_file
44 return seq_write(m, s->buffer, len); in seq_buf_print_seq()
48 * seq_buf_vprintf - sequence printing of information.
50 * @fmt: printf format string
55 * Returns zero on success, -1 on overflow.
61 WARN_ON(s->size == 0); in seq_buf_vprintf()
63 if (s->len < s->size) { in seq_buf_vprintf()
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/Linux-v5.15/Documentation/trace/
Dboottime-trace.rst1 .. SPDX-License-Identifier: GPL-2.0
4 Boot-time tracing
12 Boot-time tracing allows users to trace boot-time process including
13 device initialization with full features of ftrace including per-event
14 filter and actions, histograms, kprobe-events and synthetic-events,
27 .. [1] See :ref:`Documentation/admin-guide/bootconfig.rst <bootconfig>`
28 .. [2] See :ref:`Documentation/admin-guide/kernel-parameters.rst <kernelparameters>`
31 ---------------------
37 Output trace-event data on printk buffer too.
53 Add fgraph non-tracing function filters.
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Dkprobetrace.rst2 Kprobe-based Event Tracing
8 --------
28 -------------------------
34 -:[GRP/]EVENT : Clear a probe
50 @SYM[+|-offs] : Fetch memory at SYM +|- offs (SYM should be a data symbol)
56 +|-[u]OFFS(FETCHARG) : Fetch memory at FETCHARG +|- OFFS address.(\*3)(\*4)
61 (x8/x16/x32/x64), "string", "ustring" and bitfield
67 (\*4) "u" means user-space dereference. See :ref:`user_mem_access`.
70 -----
71 Several types are supported for fetch-args. Kprobe tracer will access memory
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/Linux-v5.15/tools/perf/Documentation/
Dperf-kmem.txt1 perf-kmem(1)
5 ----
6 perf-kmem - Tool to trace/measure kernel memory properties
9 --------
14 -----------
23 -------
24 -i <file>::
25 --input=<file>::
28 -f::
29 --force::
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/Linux-v5.15/scripts/gdb/linux/
Dcpus.py4 # per-cpu tools
6 # Copyright (c) Siemens AG, 2011-2013
27 return gdb.selected_thread().num - 1
30 if tid > (0x100000000 - MAX_CPUS - 2):
31 return 0x100000000 - tid - 2
40 if cpu == -1:
81 entry = -1
133 super(LxCpus, self).__init__("lx-cpus", gdb.COMMAND_DATA)
146 """Return per-cpu variable.
148 $lx_per_cpu("VAR"[, CPU]): Return the per-cpu variable called VAR for the
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/Linux-v5.15/tools/testing/selftests/rcutorture/configs/lock/
Dver_functions.sh2 # SPDX-License-Identifier: GPL-2.0+
4 # Kernel-version-dependent shell functions for the rest of the scripts.
10 # locktorture_param_onoff bootparam-string config-file
16 echo CPU-hotplug kernel, adding locktorture onoff. 1>&2
21 # per_version_boot_params bootparam-string config-file seconds
23 # Adds per-version torture-module parameters to kernels supporting them.
/Linux-v5.15/tools/testing/selftests/rcutorture/configs/scf/
Dver_functions.sh2 # SPDX-License-Identifier: GPL-2.0+
4 # Torture-suite-dependent shell functions for the rest of the scripts.
10 # scftorture_param_onoff bootparam-string config-file
16 echo CPU-hotplug kernel, adding scftorture onoff. 1>&2
21 # per_version_boot_params bootparam-string config-file seconds
23 # Adds per-version torture-module parameters to kernels supporting them.
/Linux-v5.15/Documentation/devicetree/bindings/input/
Drotary-encoder.txt4 - gpios: a spec for at least two GPIOs to be used, most significant first
7 - linux,axis: the input subsystem axis to map to this rotary encoder.
9 - rotary-encoder,steps: Number of steps in a full turnaround of the
12 - rotary-encoder,relative-axis: register a relative axis rather than an
13 absolute one. Relative axis will only generate +1/-1 events on the input
15 - rotary-encoder,rollover: Automatic rollover when the rotary value becomes
17 - rotary-encoder,steps-per-period: Number of steps (stable states) per period.
19 1: Full-period mode (default)
20 2: Half-period mode
21 4: Quarter-period mode
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/Linux-v5.15/fs/xfs/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
10 on the SGI IRIX platform. It is completely multi-threaded, can
17 for complete details. This implementation is on-disk compatible
38 xfs_info against a filesystem mountpoint and checking for a string
39 beginning with "crc=". If the string "crc=0" is found, the
40 filesystem is a V4 filesystem. If no such string is found, please
56 a per user and/or a per group basis under XFS. XFS considers quota
58 higher level guarantee of consistency. The on-disk data format for
65 with or without the generic quota support enabled (CONFIG_QUOTA) -
90 to applications via the inherit-realtime directory inode flag.
[all …]
/Linux-v5.15/fs/jfs/
Djfs_unicode.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (C) International Business Machines Corp., 2000-2004
16 * FUNCTION: Convert little-endian unicode string to character string
25 int warn = !!warn_again; /* once per string */ in jfs_strfromUCS_le()
31 codepage->uni2char(le16_to_cpu(from[i]), in jfs_strfromUCS_le()
44 warn--; in jfs_strfromUCS_le()
45 warn_again--; in jfs_strfromUCS_le()
47 "non-latin1 character 0x%x found in JFS file name\n", in jfs_strfromUCS_le()
66 * FUNCTION: Convert character string to unicode string
76 for (i = 0; len && *from; i++, from += charlen, len -= charlen) in jfs_strtoUCS()
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/Linux-v5.15/init/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
3 string
8 - Re-run Kconfig when the compiler is updated
13 - Ensure full rebuild when the compiler is updated
14 include/linux/compiler-version.h contains this option in the comment
16 auto-generated dependency. When the compiler is updated, syncconfig
20 def_bool $(success,test "$(cc-name)" = GCC)
24 default $(cc-version) if CC_IS_GCC
28 def_bool $(success,test "$(cc-name)" = Clang)
32 default $(cc-version) if CC_IS_CLANG
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/Linux-v5.15/Documentation/devicetree/bindings/net/wireless/
Dqcom,ath10k.txt4 - compatible: Should be one of the following:
6 * "qcom,ipq4019-wifi"
7 * "qcom,wcn3990-wifi"
9 PCI based devices uses compatible string "qcom,ath10k" and takes calibration
10 data along with board specific data via "qcom,ath10k-calibration-data".
13 AHB based devices (i.e. ipq4019) uses compatible string "qcom,ipq4019-wifi"
15 "qcom,ath10k-calibration-data"). It uses "qcom,ath10k-pre-calibration-data"
18 In general, entry "qcom,ath10k-pre-calibration-data" and
19 "qcom,ath10k-calibration-data" conflict with each other and only one
20 can be provided per device.
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