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Documentation/ABI/testing/sysfs-bus-iio-adc-ad4130 deleted 100644 → 0
View file @ 85e444a6
What: /sys/bus/iio/devices/iio:deviceX/in_voltage-voltage_filter_mode_available
KernelVersion: 6.2
Contact: linux-iio@vger.kernel.org
Description:
Reading returns a list with the possible filter modes.
* "sinc4" - Sinc 4. Excellent noise performance. Long
1st conversion time. No natural 50/60Hz rejection.
* "sinc4+sinc1" - Sinc4 + averaging by 8. Low 1st conversion
time.
* "sinc3" - Sinc3. Moderate 1st conversion time.
Good noise performance.
* "sinc3+rej60" - Sinc3 + 60Hz rejection. At a sampling
frequency of 50Hz, achieves simultaneous 50Hz and 60Hz
rejection.
* "sinc3+sinc1" - Sinc3 + averaging by 8. Low 1st conversion
time. Best used with a sampling frequency of at least
216.19Hz.
* "sinc3+pf1" - Sinc3 + Post Filter 1. 53dB rejection @
50Hz, 58dB rejection @ 60Hz.
* "sinc3+pf2" - Sinc3 + Post Filter 2. 70dB rejection @
50Hz, 70dB rejection @ 60Hz.
* "sinc3+pf3" - Sinc3 + Post Filter 3. 99dB rejection @
50Hz, 103dB rejection @ 60Hz.
* "sinc3+pf4" - Sinc3 + Post Filter 4. 103dB rejection @
50Hz, 109dB rejection @ 60Hz.
What: /sys/bus/iio/devices/iio:deviceX/in_voltageY-voltageZ_filter_mode
KernelVersion: 6.2
Contact: linux-iio@vger.kernel.org
Description:
Set the filter mode of the differential channel. When the filter
mode changes, the in_voltageY-voltageZ_sampling_frequency and
in_voltageY-voltageZ_sampling_frequency_available attributes
might also change to accommodate the new filter mode.
If the current sampling frequency is out of range for the new
filter mode, the sampling frequency will be changed to the
closest valid one.
Documentation/ABI/testing/sysfs-bus-iio-adc-ad7192
View file @ cf05922d
......@@ -19,33 +19,9 @@ Description:
the bridge can be disconnected (when it is not being used
using the bridge_switch_en attribute.
What: /sys/bus/iio/devices/iio:deviceX/in_voltagex_sys_calibration
KernelVersion:
Contact: linux-iio@vger.kernel.org
Description:
Initiates the system calibration procedure. This is done on a
single channel at a time. Write '1' to start the calibration.
What: /sys/bus/iio/devices/iio:deviceX/in_voltage2-voltage2_shorted_raw
KernelVersion:
Contact: linux-iio@vger.kernel.org
Description:
Measure voltage from AIN2 pin connected to AIN(+)
and AIN(-) shorted.
What: /sys/bus/iio/devices/iio:deviceX/in_voltagex_sys_calibration_mode_available
KernelVersion:
Contact: linux-iio@vger.kernel.org
Description:
Reading returns a list with the possible calibration modes.
There are two available options:
"zero_scale" - calibrate to zero scale
"full_scale" - calibrate to full scale
What: /sys/bus/iio/devices/iio:deviceX/in_voltagex_sys_calibration_mode
KernelVersion:
Contact: linux-iio@vger.kernel.org
Description:
Sets up the calibration mode used in the system calibration
procedure. Reading returns the current calibration mode.
Writing sets the system calibration mode.
Documentation/ABI/testing/sysfs-bus-pci
View file @ cf05922d
......@@ -163,6 +163,17 @@ Description:
will be present in sysfs. Writing 1 to this file
will perform reset.
What: /sys/bus/pci/devices/.../reset_subordinate
Date: October 2024
Contact: linux-pci@vger.kernel.org
Description:
This is visible only for bridge devices. If you want to reset
all devices attached through the subordinate bus of a specific
bridge device, writing 1 to this will try to do it. This will
affect all devices attached to the system through this bridge
similiar to writing 1 to their individual "reset" file, so use
with caution.
What: /sys/bus/pci/devices/.../vpd
Date: February 2008
Contact: Ben Hutchings <bwh@kernel.org>
......
Documentation/ABI/testing/sysfs-bus-platform-drivers-amd_x3d_vcache 0 → 100644
View file @ cf05922d
What: /sys/bus/platform/drivers/amd_x3d_vcache/AMDI0101:00/amd_x3d_mode
Date: November 2024
KernelVersion: 6.13
Contact: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Description: (RW) AMD 3D V-Cache optimizer allows users to switch CPU core
rankings dynamically.
This file switches between these two modes:
- "frequency" cores within the faster CCD are prioritized before
those in the slower CCD.
- "cache" cores within the larger L3 CCD are prioritized before
those in the smaller L3 CCD.
Documentation/ABI/testing/sysfs-class-firmware-attributes
View file @ cf05922d
......@@ -193,7 +193,7 @@ Description:
mechanism:
The means of authentication. This attribute is mandatory.
Only supported type currently is "password".
Supported types are "password" or "certificate".
max_password_length:
A file that can be read to obtain the
......@@ -303,6 +303,7 @@ Description:
being configured allowing anyone to make changes.
After any of these operations the system must reboot for the changes to
take effect.
Admin and System certificates are supported from 2025 systems onward.
certificate_thumbprint:
Read only attribute used to display the MD5, SHA1 and SHA256 thumbprints
......
Documentation/ABI/testing/sysfs-class-platform-profile 0 → 100644
View file @ cf05922d
What: /sys/class/platform-profile/platform-profile-X/name
Date: March 2025
KernelVersion: 6.14
Description: Name of the class device given by the driver.
RO
What: /sys/class/platform-profile/platform-profile-X/choices
Date: March 2025
KernelVersion: 6.14
Description: This file contains a space-separated list of profiles supported
for this device.
Drivers must use the following standard profile-names:
==================== ========================================
low-power Low power consumption
cool Cooler operation
quiet Quieter operation
balanced Balance between low power consumption
and performance
balanced-performance Balance between performance and low
power consumption with a slight bias
towards performance
performance High performance operation
custom Driver defined custom profile
==================== ========================================
RO
What: /sys/class/platform-profile/platform-profile-X/profile
Date: March 2025
KernelVersion: 6.14
Description: Reading this file gives the current selected profile for this
device. Writing this file with one of the strings from
platform_profile_choices changes the profile to the new value.
This file can be monitored for changes by polling for POLLPRI,
POLLPRI will be signaled on any changes, independent of those
changes coming from a userspace write; or coming from another
source such as e.g. a hotkey triggered profile change handled
either directly by the embedded-controller or fully handled
inside the kernel.
This file may also emit the string 'custom' to indicate
that the driver is using a driver defined custom profile.
RW
Documentation/ABI/testing/sysfs-class-power
View file @ cf05922d
......@@ -407,10 +407,30 @@ Description:
Access: Read, Write
Reading this returns the current active value, e.g. 'Standard'.
Check charge_types to get the values supported by the battery.
Valid values:
"Unknown", "N/A", "Trickle", "Fast", "Standard",
"Adaptive", "Custom", "Long Life", "Bypass"
What: /sys/class/power_supply/<supply_name>/charge_types
Date: December 2024
Contact: linux-pm@vger.kernel.org
Description:
Identical to charge_type but reading returns a list of supported
charge-types with the currently active type surrounded by square
brackets, e.g.: "Fast [Standard] Long_Life".
power_supply class devices may support both charge_type and
charge_types for backward compatibility. In this case both will
always have the same active value and the active value can be
changed by writing either property.
Note charge-types which contain a space such as "Long Life" will
have the space replaced by a '_' resulting in e.g. "Long_Life".
When writing charge-types both variants are accepted.
What: /sys/class/power_supply/<supply_name>/charge_term_current
Date: July 2014
Contact: linux-pm@vger.kernel.org
......@@ -433,7 +453,7 @@ Description:
Valid values:
"Unknown", "Good", "Overheat", "Dead",
"Over voltage", "Unspecified failure", "Cold",
"Over voltage", "Under voltage", "Unspecified failure", "Cold",
"Watchdog timer expire", "Safety timer expire",
"Over current", "Calibration required", "Warm",
"Cool", "Hot", "No battery"
......@@ -793,3 +813,12 @@ Description:
Access: Read
Valid values: 1-31
What: /sys/class/power_supply/<supply_name>/extensions/<extension_name>
Date: March 2025
Contact: linux-pm@vger.kernel.org
Description:
Reports the extensions registered to the power supply.
Each entry is a link to the device which registered the extension.
Access: Read
Documentation/ABI/testing/sysfs-class-power-max1720x 0 → 100644
View file @ cf05922d
What: /sys/class/power_supply/max1720x/temp_ain1
Date: January 2025
KernelVersion: 6.14
Contact: Dimitri Fedrau <dimitri.fedrau@liebherr.com>
Description:
Reports the current temperature reading from AIN1 thermistor.
Access: Read
Valid values: Represented in 1/10 Degrees Celsius
What: /sys/class/power_supply/max1720x/temp_ain2
Date: January 2025
KernelVersion: 6.14
Contact: Dimitri Fedrau <dimitri.fedrau@liebherr.com>
Description:
Reports the current temperature reading from AIN2 thermistor.
Access: Read
Valid values: Represented in 1/10 Degrees Celsius
What: /sys/class/power_supply/max1720x/temp_int
Date: January 2025
KernelVersion: 6.14
Contact: Dimitri Fedrau <dimitri.fedrau@liebherr.com>
Description:
Reports the current temperature reading from internal die.
Access: Read
Valid values: Represented in 1/10 Degrees Celsius
Documentation/ABI/testing/sysfs-class-typec
View file @ cf05922d
......@@ -149,6 +149,19 @@ Description:
advertise to the partner. The currently used capabilities are in
brackets. Selection happens by writing to the file.
What: /sys/class/typec/<port>/usb_capability
Date: November 2024
Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Description: Lists the supported USB Modes. The default USB mode that is used
next time with the Enter_USB Message is in brackets. The default
mode can be changed by writing to the file when supported by the
driver.
Valid values:
- usb2 (USB 2.0)
- usb3 (USB 3.2)
- usb4 (USB4)
USB Type-C partner devices (eg. /sys/class/typec/port0-partner/)
What: /sys/class/typec/<port>-partner/accessory_mode
......@@ -220,6 +233,20 @@ Description:
directory exists, it will have an attribute file for every VDO
in Discover Identity command result.
What: /sys/class/typec/<port>-partner/usb_mode
Date: November 2024
Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Description: The USB Modes that the partner device supports. The active mode
is displayed in brackets. The active USB mode can be changed by
writing to this file when the port driver is able to send Data
Reset Message to the partner. That requires USB Power Delivery
contract between the partner and the port.
Valid values:
- usb2 (USB 2.0)
- usb3 (USB 3.2)
- usb4 (USB4)
USB Type-C cable devices (eg. /sys/class/typec/port0-cable/)
Note: Electronically Marked Cables will have a device also for one cable plug
......
Documentation/ABI/testing/sysfs-class-watchdog
View file @ cf05922d
......@@ -76,7 +76,7 @@ Description:
timeout when the pretimeout interrupt is delivered. Pretimeout
is an optional feature.
What: /sys/class/watchdog/watchdogn/pretimeout_avaialable_governors
What: /sys/class/watchdog/watchdogn/pretimeout_available_governors
Date: February 2017
Contact: Wim Van Sebroeck <wim@iguana.be>
Description:
......
Documentation/ABI/testing/sysfs-devices-platform-kunpeng_hccs
View file @ cf05922d
......@@ -79,3 +79,48 @@ Description:
indicates a lane.
crc_err_cnt: (RO) CRC err count on this port.
============= ==== =============================================
What: /sys/devices/platform/HISI04Bx:00/used_types
Date: August 2024
KernelVersion: 6.12
Contact: Huisong Li <lihuisong@huawei.com>
Description:
This interface is used to show all HCCS types used on the
platform, like, HCCS-v1, HCCS-v2 and so on.
What: /sys/devices/platform/HISI04Bx:00/available_inc_dec_lane_types
What: /sys/devices/platform/HISI04Bx:00/dec_lane_of_type
What: /sys/devices/platform/HISI04Bx:00/inc_lane_of_type
Date: August 2024
KernelVersion: 6.12
Contact: Huisong Li <lihuisong@huawei.com>
Description:
These interfaces under /sys/devices/platform/HISI04Bx/ are
used to support the low power consumption feature of some
HCCS types by changing the number of lanes used. The interfaces
changing the number of lanes used are 'dec_lane_of_type' and
'inc_lane_of_type' which require root privileges. These
interfaces aren't exposed if no HCCS type on platform support
this feature. Please note that decreasing lane number is only
allowed if all the specified HCCS ports are not busy.
The low power consumption interfaces are as follows:
============================= ==== ================================
available_inc_dec_lane_types: (RO) available HCCS types (string) to
increase and decrease the number
of lane used, e.g. HCCS-v2.
dec_lane_of_type: (WO) input HCCS type supported
decreasing lane to decrease the
used lane number of all specified
HCCS type ports on platform to
the minimum.
You can query the 'cur_lane_num'
to get the minimum lane number
after executing successfully.
inc_lane_of_type: (WO) input HCCS type supported
increasing lane to increase the
used lane number of all specified
HCCS type ports on platform to
the full lane state.
============================= ==== ================================
Documentation/ABI/testing/sysfs-driver-hid-corsair-void 0 → 100644
View file @ cf05922d
What: /sys/bus/hid/drivers/hid-corsair-void/<dev>/fw_version_headset
Date: January 2024
KernelVersion: 6.13
Contact: Stuart Hayhurst <stuart.a.hayhurst@gmail.com>
Description: (R) The firmware version of the headset
* Returns -ENODATA if no version was reported
What: /sys/bus/hid/drivers/hid-corsair-void/<dev>/fw_version_receiver
Date: January 2024
KernelVersion: 6.13
Contact: Stuart Hayhurst <stuart.a.hayhurst@gmail.com>
Description: (R) The firmware version of the receiver
What: /sys/bus/hid/drivers/hid-corsair-void/<dev>/microphone_up
Date: July 2023
KernelVersion: 6.13
Contact: Stuart Hayhurst <stuart.a.hayhurst@gmail.com>
Description: (R) Get the physical position of the microphone
* 1 -> Microphone up
* 0 -> Microphone down
What: /sys/bus/hid/drivers/hid-corsair-void/<dev>/send_alert
Date: July 2023
KernelVersion: 6.13
Contact: Stuart Hayhurst <stuart.a.hayhurst@gmail.com>
Description: (W) Play a built-in notification from the headset (0 / 1)
What: /sys/bus/hid/drivers/hid-corsair-void/<dev>/set_sidetone
Date: December 2023
KernelVersion: 6.13
Contact: Stuart Hayhurst <stuart.a.hayhurst@gmail.com>
Description: (W) Set the sidetone volume (0 - sidetone_max)
What: /sys/bus/hid/drivers/hid-corsair-void/<dev>/sidetone_max
Date: July 2024
KernelVersion: 6.13
Contact: Stuart Hayhurst <stuart.a.hayhurst@gmail.com>
Description: (R) Report the maximum sidetone volume
Documentation/ABI/testing/sysfs-driver-intel-i915-hwmon
View file @ cf05922d
......@@ -83,3 +83,11 @@ Contact: intel-gfx@lists.freedesktop.org
Description: RO. Fan speed of device in RPM.
Only supported for particular Intel i915 graphics platforms.
What: /sys/bus/pci/drivers/i915/.../hwmon/hwmon<i>/temp1_input
Date: November 2024
KernelVersion: 6.12
Contact: intel-gfx@lists.freedesktop.org
Description: RO. GPU package temperature in millidegree Celsius.
Only supported for particular Intel i915 graphics platforms.
Documentation/ABI/testing/sysfs-driver-intel-xe-hwmon
View file @ cf05922d
......@@ -108,3 +108,19 @@ Contact: intel-xe@lists.freedesktop.org
Description: RO. Package current voltage in millivolt.
Only supported for particular Intel Xe graphics platforms.
What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/temp2_input
Date: March 2025
KernelVersion: 6.14
Contact: intel-xe@lists.freedesktop.org
Description: RO. Package temperature in millidegree Celsius.
Only supported for particular Intel Xe graphics platforms.
What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/temp3_input
Date: March 2025
KernelVersion: 6.14
Contact: intel-xe@lists.freedesktop.org
Description: RO. VRAM temperature in millidegree Celsius.
Only supported for particular Intel Xe graphics platforms.
Documentation/ABI/testing/sysfs-driver-panthor-profiling 0 → 100644
View file @ cf05922d
What: /sys/bus/platform/drivers/panthor/.../profiling
Date: September 2024
KernelVersion: 6.11.0
Contact: Adrian Larumbe <adrian.larumbe@collabora.com>
Description:
Bitmask to enable drm fdinfo's job profiling measurements.
Valid values are:
0: Don't enable fdinfo job profiling sources.
1: Enable GPU cycle measurements for running jobs.
2: Enable GPU timestamp sampling for running jobs.
Documentation/ABI/testing/sysfs-driver-spi-intel 0 → 100644
View file @ cf05922d
What: /sys/devices/.../intel_spi_protected
Date: Feb 2025
KernelVersion: 6.13
Contact: Alexander Usyskin <alexander.usyskin@intel.com>
Description: This attribute allows the userspace to check if the
Intel SPI flash controller is write protected from the host.
What: /sys/devices/.../intel_spi_locked
Date: Feb 2025
KernelVersion: 6.13
Contact: Alexander Usyskin <alexander.usyskin@intel.com>
Description: This attribute allows the user space to check if the
Intel SPI flash controller locks supported opcodes.
What: /sys/devices/.../intel_spi_bios_locked
Date: Feb 2025
KernelVersion: 6.13
Contact: Alexander Usyskin <alexander.usyskin@intel.com>
Description: This attribute allows the user space to check if the
Intel SPI flash controller BIOS region is locked for writes.
Documentation/ABI/testing/sysfs-fs-erofs
View file @ cf05922d
......@@ -16,3 +16,14 @@ Description: Control strategy of sync decompression:
readahead on atomic contexts only.
- 1 (force on): enable for readpage and readahead.
- 2 (force off): disable for all situations.
What: /sys/fs/erofs/<disk>/drop_caches
Date: November 2024
Contact: "Guo Chunhai" <guochunhai@vivo.com>
Description: Writing to this will drop compression-related caches,
currently used to drop in-memory pclusters and cached
compressed folios:
- 1 : invalidate cached compressed folios
- 2 : drop in-memory pclusters
- 3 : drop in-memory pclusters and cached compressed folios
Documentation/ABI/testing/sysfs-fs-f2fs
View file @ cf05922d
......@@ -311,10 +311,13 @@ Description: Do background GC aggressively when set. Set to 0 by default.
GC approach and turns SSR mode on.
gc urgent low(2): lowers the bar of checking I/O idling in
order to process outstanding discard commands and GC a
little bit aggressively. uses cost benefit GC approach.
little bit aggressively. always uses cost benefit GC approach,
and will override age-threshold GC approach if ATGC is enabled
at the same time.
gc urgent mid(3): does GC forcibly in a period of given
gc_urgent_sleep_time and executes a mid level of I/O idling check.
uses cost benefit GC approach.
always uses cost benefit GC approach, and will override
age-threshold GC approach if ATGC is enabled at the same time.
What: /sys/fs/f2fs/<disk>/gc_urgent_sleep_time
Date: August 2017
......@@ -819,3 +822,9 @@ Description: It controls the valid block ratio threshold not to trigger excessiv
for zoned deivces. The initial value of it is 95(%). F2FS will stop the
background GC thread from intiating GC for sections having valid blocks
exceeding the ratio.
What: /sys/fs/f2fs/<disk>/max_read_extent_count
Date: November 2024
Contact: "Chao Yu" <chao@kernel.org>
Description: It controls max read extent count for per-inode, the value of threshold
is 10240 by default.
Documentation/ABI/testing/sysfs-kernel-livepatch
View file @ cf05922d
......@@ -55,6 +55,15 @@ Description:
An attribute which indicates whether the patch supports
atomic-replace.
What: /sys/kernel/livepatch/<patch>/stack_order
Date: Jan 2025
KernelVersion: 6.14.0
Description:
This attribute specifies the sequence in which live patch modules
are applied to the system. If multiple live patches modify the same
function, the implementation with the biggest 'stack_order' number
is used, unless a transition is currently in progress.
What: /sys/kernel/livepatch/<patch>/<object>
Date: Nov 2014
KernelVersion: 3.19.0
......
Documentation/ABI/testing/sysfs-kernel-mm-damon
View file @ cf05922d
......@@ -355,10 +355,15 @@ Description: If 'target' is written to the 'type' file, writing to or
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/filters/<F>/matching
Date: Dec 2022
Contact: SeongJae Park <sj@kernel.org>
Description: Writing 'Y' or 'N' to this file sets whether to filter out
pages that do or do not match to the 'type' and 'memcg_path',
respectively. Filter out means the action of the scheme will
not be applied to.
Description: Writing 'Y' or 'N' to this file sets whether the filter is for
the memory of the 'type', or all except the 'type'.
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/filters/<F>/allow
Date: Jan 2025
Contact: SeongJae Park <sj@kernel.org>
Description: Writing 'Y' or 'N' to this file sets whether to allow or reject
applying the scheme's action to the memory that satisfies the
'type' and the 'matching' of the directory.
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/stats/nr_tried
Date: Mar 2022
......@@ -384,6 +389,12 @@ Contact: SeongJae Park <sj@kernel.org>
Description: Reading this file returns the total size of regions that the
action of the scheme has successfully applied in bytes.
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/stats/sz_ops_filter_passed
Date: Dec 2024
Contact: SeongJae Park <sj@kernel.org>
Description: Reading this file returns the total size of memory that passed
DAMON operations layer-handled filters of the scheme in bytes.
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/stats/qt_exceeds
Date: Mar 2022
Contact: SeongJae Park <sj@kernel.org>
......@@ -424,3 +435,10 @@ Contact: SeongJae Park <sj@kernel.org>
Description: Reading this file returns the 'age' of a memory region that
corresponding DAMON-based Operation Scheme's action has tried
to be applied.
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/tried_regions/<R>/sz_filter_passed
Date: Dec 2024
Contact: SeongJae Park <sj@kernel.org>
Description: Reading this file returns the size of the memory in the region
that passed DAMON operations layer-handled filters of the
scheme in bytes.