diff options
Diffstat (limited to 'Documentation/ABI')
27 files changed, 480 insertions, 89 deletions
diff --git a/Documentation/ABI/obsolete/o2cb b/Documentation/ABI/obsolete/o2cb index fe7e45e17bc7..8f39b596731d 100644 --- a/Documentation/ABI/obsolete/o2cb +++ b/Documentation/ABI/obsolete/o2cb @@ -1,11 +1,11 @@ What: /sys/o2cb Date: Dec 2005 KernelVersion: 2.6.16 -Contact: ocfs2-devel@oss.oracle.com +Contact: ocfs2-devel@lists.linux.dev Description: Ocfs2-tools looks at 'interface-revision' for versioning information. Each logmask/ file controls a set of debug prints and can be written into with the strings "allow", "deny", or "off". Reading the file returns the current state. Was renamed to /sys/fs/u2cb/ Users: ocfs2-tools. It's sufficient to mail proposed changes to - ocfs2-devel@oss.oracle.com. + ocfs2-devel@lists.linux.dev. diff --git a/Documentation/ABI/removed/o2cb b/Documentation/ABI/removed/o2cb index 20c91adca6d4..61cff238fbe8 100644 --- a/Documentation/ABI/removed/o2cb +++ b/Documentation/ABI/removed/o2cb @@ -1,10 +1,10 @@ What: /sys/o2cb symlink Date: May 2011 KernelVersion: 3.0 -Contact: ocfs2-devel@oss.oracle.com +Contact: ocfs2-devel@lists.linux.dev Description: This is a symlink: /sys/o2cb to /sys/fs/o2cb. The symlink is removed when new versions of ocfs2-tools which know to look in /sys/fs/o2cb are sufficiently prevalent. Don't code new software to look here, it should try /sys/fs/o2cb instead. Users: ocfs2-tools. It's sufficient to mail proposed changes to - ocfs2-devel@oss.oracle.com. + ocfs2-devel@lists.linux.dev. diff --git a/Documentation/ABI/stable/o2cb b/Documentation/ABI/stable/o2cb index b62a967f01a0..3a83b5c54e93 100644 --- a/Documentation/ABI/stable/o2cb +++ b/Documentation/ABI/stable/o2cb @@ -1,10 +1,10 @@ What: /sys/fs/o2cb/ Date: Dec 2005 KernelVersion: 2.6.16 -Contact: ocfs2-devel@oss.oracle.com +Contact: ocfs2-devel@lists.linux.dev Description: Ocfs2-tools looks at 'interface-revision' for versioning information. Each logmask/ file controls a set of debug prints and can be written into with the strings "allow", "deny", or "off". Reading the file returns the current state. Users: ocfs2-tools. It's sufficient to mail proposed changes to - ocfs2-devel@oss.oracle.com. + ocfs2-devel@lists.linux.dev. diff --git a/Documentation/ABI/stable/sysfs-platform-wmi-bmof b/Documentation/ABI/stable/sysfs-platform-wmi-bmof new file mode 100644 index 000000000000..a786504b6027 --- /dev/null +++ b/Documentation/ABI/stable/sysfs-platform-wmi-bmof @@ -0,0 +1,7 @@ +What: /sys/bus/wmi/devices/05901221-D566-11D1-B2F0-00A0C9062910[-X]/bmof +Date: Jun 2017 +KernelVersion: 4.13 +Description: + Binary MOF metadata used to decribe the details of available ACPI WMI interfaces. + + See Documentation/wmi/devices/wmi-bmof.rst for details. diff --git a/Documentation/ABI/testing/debugfs-dell-wmi-ddv b/Documentation/ABI/testing/debugfs-dell-wmi-ddv index fbcc5d6f7388..81cfc788be15 100644 --- a/Documentation/ABI/testing/debugfs-dell-wmi-ddv +++ b/Documentation/ABI/testing/debugfs-dell-wmi-ddv @@ -3,19 +3,32 @@ Date: September 2022 KernelVersion: 6.1 Contact: Armin Wolf <W_Armin@gmx.de> Description: - This file contains the contents of the fan sensor information buffer, - which contains fan sensor entries and a terminating character (0xFF). + This file contains the contents of the fan sensor information + buffer, which contains fan sensor entries and a terminating + character (0xFF). - Each fan sensor entry consists of three bytes with an unknown meaning, - interested people may use this file for reverse-engineering. + Each fan sensor entry contains: + + - fan type (single byte) + - fan speed in RPM (two bytes, little endian) + + See Documentation/wmi/devices/dell-wmi-ddv.rst for details. What: /sys/kernel/debug/dell-wmi-ddv-<wmi_device_name>/thermal_sensor_information Date: September 2022 KernelVersion: 6.1 Contact: Armin Wolf <W_Armin@gmx.de> Description: - This file contains the contents of the thermal sensor information buffer, - which contains thermal sensor entries and a terminating character (0xFF). + This file contains the contents of the thermal sensor information + buffer, which contains thermal sensor entries and a terminating + character (0xFF). + + Each thermal sensor entry contains: + + - thermal type (single byte) + - current temperature (single byte) + - min. temperature (single byte) + - max. temperature (single byte) + - unknown field (single byte) - Each thermal sensor entry consists of five bytes with an unknown meaning, - interested people may use this file for reverse-engineering. + See Documentation/wmi/devices/dell-wmi-ddv.rst for details. diff --git a/Documentation/ABI/testing/sysfs-block-device b/Documentation/ABI/testing/sysfs-block-device index 7ac7b19b2f72..2d543cfa4079 100644 --- a/Documentation/ABI/testing/sysfs-block-device +++ b/Documentation/ABI/testing/sysfs-block-device @@ -95,3 +95,25 @@ Description: This file does not exist if the HBA driver does not implement support for the SATA NCQ priority feature, regardless of the device support for this feature. + + +What: /sys/block/*/device/cdl_supported +Date: May, 2023 +KernelVersion: v6.5 +Contact: linux-scsi@vger.kernel.org +Description: + (RO) Indicates if the device supports the command duration + limits feature found in some ATA and SCSI devices. + + +What: /sys/block/*/device/cdl_enable +Date: May, 2023 +KernelVersion: v6.5 +Contact: linux-scsi@vger.kernel.org +Description: + (RW) For a device supporting the command duration limits + feature, write to the file to turn on or off the feature. + By default this feature is turned off. + Writing "1" to this file enables the use of command duration + limits for read and write commands in the kernel and turns on + the feature on the device. Writing "0" disables the feature. diff --git a/Documentation/ABI/testing/sysfs-bus-counter b/Documentation/ABI/testing/sysfs-bus-counter index 1417c4272c6c..dc3b3a5c876b 100644 --- a/Documentation/ABI/testing/sysfs-bus-counter +++ b/Documentation/ABI/testing/sysfs-bus-counter @@ -90,6 +90,60 @@ Description: counter does not freeze at the boundary points, but counts continuously throughout. + interrupt on terminal count: + The output signal is initially low, and will remain low + until the counter reaches zero. The output signal then + goes high and remains high until a new preset value is + set. + + hardware retriggerable one-shot: + The output signal is initially high. The output signal + will go low by a trigger input signal, and will remain + low until the counter reaches zero. The output will then + go high and remain high until the next trigger. A + trigger results in loading the counter to the preset + value and setting the output signal low, thus starting + the one-shot pulse. + + rate generator: + The output signal is initially high. When the counter + has decremented to 1, the output signal goes low for one + clock pulse. The output signal then goes high again, the + counter is reloaded to the preset value, and the process + repeats in a periodic manner as such. + + square wave mode: + The output signal is initially high. + + If the initial count is even, the counter is decremented + by two on succeeding clock pulses. When the count + expires, the output signal changes value and the + counter is reloaded to the preset value. The process + repeats in periodic manner as such. + + If the initial count is odd, the initial count minus one + (an even number) is loaded and then is decremented by + two on succeeding clock pulses. One clock pulse after + the count expires, the output signal goes low and the + counter is reloaded to the preset value minus one. + Succeeding clock pulses decrement the count by two. When + the count expires, the output goes high again and the + counter is reloaded to the preset value minus one. The + process repeats in a periodic manner as such. + + software triggered strobe: + The output signal is initially high. When the count + expires, the output will go low for one clock pulse and + then go high again. The counting sequence is "triggered" + by setting the preset value. + + hardware triggered strobe: + The output signal is initially high. Counting is started + by a trigger input signal. When the count expires, the + output signal will go low for one clock pulse and then + go high again. A trigger results in loading the counter + to the preset value. + What: /sys/bus/counter/devices/counterX/countY/count_mode_available What: /sys/bus/counter/devices/counterX/countY/error_noise_available What: /sys/bus/counter/devices/counterX/countY/function_available diff --git a/Documentation/ABI/testing/sysfs-bus-cxl b/Documentation/ABI/testing/sysfs-bus-cxl index 48ac0d911801..087f762ebfd5 100644 --- a/Documentation/ABI/testing/sysfs-bus-cxl +++ b/Documentation/ABI/testing/sysfs-bus-cxl @@ -58,6 +58,65 @@ Description: affinity for this device. +What: /sys/bus/cxl/devices/memX/security/state +Date: June, 2023 +KernelVersion: v6.5 +Contact: linux-cxl@vger.kernel.org +Description: + (RO) Reading this file will display the CXL security state for + that device. Such states can be: 'disabled', 'sanitize', when + a sanitization is currently underway; or those available only + for persistent memory: 'locked', 'unlocked' or 'frozen'. This + sysfs entry is select/poll capable from userspace to notify + upon completion of a sanitize operation. + + +What: /sys/bus/cxl/devices/memX/security/sanitize +Date: June, 2023 +KernelVersion: v6.5 +Contact: linux-cxl@vger.kernel.org +Description: + (WO) Write a boolean 'true' string value to this attribute to + sanitize the device to securely re-purpose or decommission it. + This is done by ensuring that all user data and meta-data, + whether it resides in persistent capacity, volatile capacity, + or the LSA, is made permanently unavailable by whatever means + is appropriate for the media type. This functionality requires + the device to be disabled, that is, not actively decoding any + HPA ranges. This permits avoiding explicit global CPU cache + management, relying instead for it to be done when a region + transitions between software programmed and hardware committed + states. If this file is not present, then there is no hardware + support for the operation. + + +What /sys/bus/cxl/devices/memX/security/erase +Date: June, 2023 +KernelVersion: v6.5 +Contact: linux-cxl@vger.kernel.org +Description: + (WO) Write a boolean 'true' string value to this attribute to + secure erase user data by changing the media encryption keys for + all user data areas of the device. This functionality requires + the device to be disabled, that is, not actively decoding any + HPA ranges. This permits avoiding explicit global CPU cache + management, relying instead for it to be done when a region + transitions between software programmed and hardware committed + states. If this file is not present, then there is no hardware + support for the operation. + + +What: /sys/bus/cxl/devices/memX/firmware/ +Date: April, 2023 +KernelVersion: v6.5 +Contact: linux-cxl@vger.kernel.org +Description: + (RW) Firmware uploader mechanism. The different files under + this directory can be used to upload and activate new + firmware for CXL devices. The interfaces under this are + documented in sysfs-class-firmware. + + What: /sys/bus/cxl/devices/*/devtype Date: June, 2021 KernelVersion: v5.14 diff --git a/Documentation/ABI/testing/sysfs-bus-fsi-devices-sbefifo b/Documentation/ABI/testing/sysfs-bus-fsi-devices-sbefifo index 531fe9d6b40a..c7393b4dd2d8 100644 --- a/Documentation/ABI/testing/sysfs-bus-fsi-devices-sbefifo +++ b/Documentation/ABI/testing/sysfs-bus-fsi-devices-sbefifo @@ -5,6 +5,6 @@ Description: Indicates whether or not this SBE device has experienced a timeout; i.e. the SBE did not respond within the time allotted by the driver. A value of 1 indicates that a timeout has - ocurred and no transfers have completed since the timeout. A - value of 0 indicates that no timeout has ocurred, or if one - has, more recent transfers have completed successful. + occurred and no transfers have completed since the timeout. A + value of 0 indicates that no timeout has occurred, or if one + has, more recent transfers have completed successfully. diff --git a/Documentation/ABI/testing/sysfs-bus-usb b/Documentation/ABI/testing/sysfs-bus-usb index cb172db41b34..be663258b9b7 100644 --- a/Documentation/ABI/testing/sysfs-bus-usb +++ b/Documentation/ABI/testing/sysfs-bus-usb @@ -292,6 +292,16 @@ Description: which is marked with early_stop has failed to initialize, it will ignore all future connections until this attribute is clear. +What: /sys/bus/usb/devices/.../<hub_interface>/port<X>/state +Date: June 2023 +Contact: Roy Luo <royluo@google.com> +Description: + Indicates current state of the USB device attached to the port. + Valid states are: 'not-attached', 'attached', 'powered', + 'reconnecting', 'unauthenticated', 'default', 'addressed', + 'configured', and 'suspended'. This file supports poll() to + monitor the state change from user space. + What: /sys/bus/usb/devices/.../power/usb2_lpm_l1_timeout Date: May 2013 Contact: Mathias Nyman <mathias.nyman@linux.intel.com> diff --git a/Documentation/ABI/testing/sysfs-class-firmware-attributes b/Documentation/ABI/testing/sysfs-class-firmware-attributes index 4cdba3477176..1b3ecae80b3d 100644 --- a/Documentation/ABI/testing/sysfs-class-firmware-attributes +++ b/Documentation/ABI/testing/sysfs-class-firmware-attributes @@ -243,8 +243,8 @@ Description: index: Used with HDD and NVME authentication to set the drive index - that is being referenced (e.g hdd0, hdd1 etc) - This attribute defaults to device 0. + that is being referenced (e.g hdd1, hdd2 etc) + This attribute defaults to device 1. certificate, signature, save_signature: These attributes are used for certificate based authentication. This is diff --git a/Documentation/ABI/testing/sysfs-class-led-driver-aw200xx b/Documentation/ABI/testing/sysfs-class-led-driver-aw200xx new file mode 100644 index 000000000000..6d4449cf9d71 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-led-driver-aw200xx @@ -0,0 +1,5 @@ +What: /sys/class/leds/<led>/dim +Date: May 2023 +Description: 64-level DIM current. If you write a negative value or + "auto", the dim will be calculated according to the + brightness. diff --git a/Documentation/ABI/testing/sysfs-class-led-trigger-netdev b/Documentation/ABI/testing/sysfs-class-led-trigger-netdev index 646540950e38..f6d9d72ce77b 100644 --- a/Documentation/ABI/testing/sysfs-class-led-trigger-netdev +++ b/Documentation/ABI/testing/sysfs-class-led-trigger-netdev @@ -13,6 +13,11 @@ Description: Specifies the duration of the LED blink in milliseconds. Defaults to 50 ms. + When offloaded is true, the interval value MUST be set to the + default value and cannot be changed. + Trying to set any value in this specific mode will return + an EINVAL error. + What: /sys/class/leds/<led>/link Date: Dec 2017 KernelVersion: 4.16 @@ -39,6 +44,9 @@ Description: If set to 1, the LED will blink for the milliseconds specified in interval to signal transmission. + When offloaded is true, the blink interval is controlled by + hardware and won't reflect the value set in interval. + What: /sys/class/leds/<led>/rx Date: Dec 2017 KernelVersion: 4.16 @@ -50,3 +58,84 @@ Description: If set to 1, the LED will blink for the milliseconds specified in interval to signal reception. + + When offloaded is true, the blink interval is controlled by + hardware and won't reflect the value set in interval. + +What: /sys/class/leds/<led>/offloaded +Date: Jun 2023 +KernelVersion: 6.5 +Contact: linux-leds@vger.kernel.org +Description: + Communicate whether the LED trigger modes are offloaded to + hardware or whether software fallback is used. + + If 0, the LED is using software fallback to blink. + + If 1, the LED blinking in requested mode is offloaded to + hardware. + +What: /sys/class/leds/<led>/link_10 +Date: Jun 2023 +KernelVersion: 6.5 +Contact: linux-leds@vger.kernel.org +Description: + Signal the link speed state of 10Mbps of the named network device. + + If set to 0 (default), the LED's normal state is off. + + If set to 1, the LED's normal state reflects the link state + speed of 10MBps of the named network device. + Setting this value also immediately changes the LED state. + +What: /sys/class/leds/<led>/link_100 +Date: Jun 2023 +KernelVersion: 6.5 +Contact: linux-leds@vger.kernel.org +Description: + Signal the link speed state of 100Mbps of the named network device. + + If set to 0 (default), the LED's normal state is off. + + If set to 1, the LED's normal state reflects the link state + speed of 100Mbps of the named network device. + Setting this value also immediately changes the LED state. + +What: /sys/class/leds/<led>/link_1000 +Date: Jun 2023 +KernelVersion: 6.5 +Contact: linux-leds@vger.kernel.org +Description: + Signal the link speed state of 1000Mbps of the named network device. + + If set to 0 (default), the LED's normal state is off. + + If set to 1, the LED's normal state reflects the link state + speed of 1000Mbps of the named network device. + Setting this value also immediately changes the LED state. + +What: /sys/class/leds/<led>/half_duplex +Date: Jun 2023 +KernelVersion: 6.5 +Contact: linux-leds@vger.kernel.org +Description: + Signal the link half duplex state of the named network device. + + If set to 0 (default), the LED's normal state is off. + + If set to 1, the LED's normal state reflects the link half + duplex state of the named network device. + Setting this value also immediately changes the LED state. + +What: /sys/class/leds/<led>/full_duplex +Date: Jun 2023 +KernelVersion: 6.5 +Contact: linux-leds@vger.kernel.org +Description: + Signal the link full duplex state of the named network device. + + If set to 0 (default), the LED's normal state is off. + + If set to 1, the LED's normal state reflects the link full + duplex state of the named network device. + Setting this value also immediately changes the LED state. diff --git a/Documentation/ABI/testing/sysfs-class-net-qmi b/Documentation/ABI/testing/sysfs-class-net-qmi index 47e6b9732337..b028f5bc86db 100644 --- a/Documentation/ABI/testing/sysfs-class-net-qmi +++ b/Documentation/ABI/testing/sysfs-class-net-qmi @@ -62,7 +62,7 @@ Description: What: /sys/class/net/<iface>/qmi/pass_through Date: January 2021 KernelVersion: 5.12 -Contact: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org> +Contact: Subash Abhinov Kasiviswanathan <quic_subashab@quicinc.com> Description: Boolean. Default: 'N' diff --git a/Documentation/ABI/testing/sysfs-devices-hisi_ptt b/Documentation/ABI/testing/sysfs-devices-hisi_ptt index 82de6d710266..d7e206b4901c 100644 --- a/Documentation/ABI/testing/sysfs-devices-hisi_ptt +++ b/Documentation/ABI/testing/sysfs-devices-hisi_ptt @@ -59,3 +59,55 @@ Description: (RW) Control the allocated buffer watermark of outbound packets. The available tune data is [0, 1, 2]. Writing a negative value will return an error, and out of range values will be converted to 2. The value indicates a probable level of the event. + +What: /sys/devices/hisi_ptt<sicl_id>_<core_id>/root_port_filters +Date: May 2023 +KernelVersion: 6.5 +Contact: Yicong Yang <yangyicong@hisilicon.com> +Description: This directory contains the files providing the PCIe Root Port filters + information used for PTT trace. Each file is named after the supported + Root Port device name <domain>:<bus>:<device>.<function>. + + See the description of the "filter" in Documentation/trace/hisi-ptt.rst + for more information. + +What: /sys/devices/hisi_ptt<sicl_id>_<core_id>/root_port_filters/multiselect +Date: May 2023 +KernelVersion: 6.5 +Contact: Yicong Yang <yangyicong@hisilicon.com> +Description: (Read) Indicates if this kind of filter can be selected at the same + time as others filters, or must be used on it's own. 1 indicates + the former case and 0 indicates the latter. + +What: /sys/devices/hisi_ptt<sicl_id>_<core_id>/root_port_filters/<bdf> +Date: May 2023 +KernelVersion: 6.5 +Contact: Yicong Yang <yangyicong@hisilicon.com> +Description: (Read) Indicates the filter value of this Root Port filter, which + can be used to control the TLP headers to trace by the PTT trace. + +What: /sys/devices/hisi_ptt<sicl_id>_<core_id>/requester_filters +Date: May 2023 +KernelVersion: 6.5 +Contact: Yicong Yang <yangyicong@hisilicon.com> +Description: This directory contains the files providing the PCIe Requester filters + information used for PTT trace. Each file is named after the supported + Endpoint device name <domain>:<bus>:<device>.<function>. + + See the description of the "filter" in Documentation/trace/hisi-ptt.rst + for more information. + +What: /sys/devices/hisi_ptt<sicl_id>_<core_id>/requester_filters/multiselect +Date: May 2023 +KernelVersion: 6.5 +Contact: Yicong Yang <yangyicong@hisilicon.com> +Description: (Read) Indicates if this kind of filter can be selected at the same + time as others filters, or must be used on it's own. 1 indicates + the former case and 0 indicates the latter. + +What: /sys/devices/hisi_ptt<sicl_id>_<core_id>/requester_filters/<bdf> +Date: May 2023 +KernelVersion: 6.5 +Contact: Yicong Yang <yangyicong@hisilicon.com> +Description: (Read) Indicates the filter value of this Requester filter, which + can be used to control the TLP headers to trace by the PTT trace. diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu index f54867cadb0f..77942eedf4f6 100644 --- a/Documentation/ABI/testing/sysfs-devices-system-cpu +++ b/Documentation/ABI/testing/sysfs-devices-system-cpu @@ -513,17 +513,18 @@ Description: information about CPUs heterogeneity. cpu_capacity: capacity of cpuX. What: /sys/devices/system/cpu/vulnerabilities + /sys/devices/system/cpu/vulnerabilities/gather_data_sampling + /sys/devices/system/cpu/vulnerabilities/itlb_multihit + /sys/devices/system/cpu/vulnerabilities/l1tf + /sys/devices/system/cpu/vulnerabilities/mds /sys/devices/system/cpu/vulnerabilities/meltdown + /sys/devices/system/cpu/vulnerabilities/mmio_stale_data + /sys/devices/system/cpu/vulnerabilities/retbleed + /sys/devices/system/cpu/vulnerabilities/spec_store_bypass /sys/devices/system/cpu/vulnerabilities/spectre_v1 /sys/devices/system/cpu/vulnerabilities/spectre_v2 - /sys/devices/system/cpu/vulnerabilities/spec_store_bypass - /sys/devices/system/cpu/vulnerabilities/l1tf - /sys/devices/system/cpu/vulnerabilities/mds /sys/devices/system/cpu/vulnerabilities/srbds /sys/devices/system/cpu/vulnerabilities/tsx_async_abort - /sys/devices/system/cpu/vulnerabilities/itlb_multihit - /sys/devices/system/cpu/vulnerabilities/mmio_stale_data - /sys/devices/system/cpu/vulnerabilities/retbleed Date: January 2018 Contact: Linux kernel mailing list <linux-kernel@vger.kernel.org> Description: Information about CPU vulnerabilities @@ -670,7 +671,7 @@ Description: Preferred MTE tag checking mode "async" Prefer asynchronous mode ================ ============================================== - See also: Documentation/arm64/memory-tagging-extension.rst + See also: Documentation/arch/arm64/memory-tagging-extension.rst What: /sys/devices/system/cpu/nohz_full Date: Apr 2015 diff --git a/Documentation/ABI/testing/sysfs-driver-chromeos-acpi b/Documentation/ABI/testing/sysfs-driver-chromeos-acpi index c308926e1568..7c8e129fc100 100644 --- a/Documentation/ABI/testing/sysfs-driver-chromeos-acpi +++ b/Documentation/ABI/testing/sysfs-driver-chromeos-acpi @@ -134,4 +134,4 @@ KernelVersion: 5.19 Description: Returns the verified boot data block shared between the firmware verification step and the kernel verification step - (binary). + (hex dump). diff --git a/Documentation/ABI/testing/sysfs-driver-eud b/Documentation/ABI/testing/sysfs-driver-eud index 83f3872182a4..2bab0db2d2f0 100644 --- a/Documentation/ABI/testing/sysfs-driver-eud +++ b/Documentation/ABI/testing/sysfs-driver-eud @@ -1,4 +1,4 @@ -What: /sys/bus/platform/drivers/eud/.../enable +What: /sys/bus/platform/drivers/qcom_eud/.../enable Date: February 2022 Contact: Souradeep Chowdhury <quic_schowdhu@quicinc.com> Description: diff --git a/Documentation/ABI/testing/sysfs-driver-qat b/Documentation/ABI/testing/sysfs-driver-qat index 087842b1969e..ef6d6c57105e 100644 --- a/Documentation/ABI/testing/sysfs-driver-qat +++ b/Documentation/ABI/testing/sysfs-driver-qat @@ -27,7 +27,18 @@ Description: (RW) Reports the current configuration of the QAT device. * sym;asym: the device is configured for running crypto services + * asym;sym: identical to sym;asym * dc: the device is configured for running compression services + * sym: the device is configured for running symmetric crypto + services + * asym: the device is configured for running asymmetric crypto + services + * asym;dc: the device is configured for running asymmetric + crypto services and compression services + * dc;asym: identical to asym;dc + * sym;dc: the device is configured for running symmetric crypto + services and compression services + * dc;sym: identical to sym;dc It is possible to set the configuration only if the device is in the `down` state (see /sys/bus/pci/devices/<BDF>/qat/state) @@ -47,3 +58,38 @@ Description: (RW) Reports the current configuration of the QAT device. dc This attribute is only available for qat_4xxx devices. + +What: /sys/bus/pci/devices/<BDF>/qat/pm_idle_enabled +Date: June 2023 +KernelVersion: 6.5 +Contact: qat-linux@intel.com +Description: (RW) This configuration option provides a way to force the device into remaining in + the MAX power state. + If idle support is enabled the device will transition to the `MIN` power state when + idle, otherwise will stay in the MAX power state. + Write to the file to enable or disable idle support. + + The values are: + + * 0: idle support is disabled + * 1: idle support is enabled + + Default value is 1. + + It is possible to set the pm_idle_enabled value only if the device + is in the `down` state (see /sys/bus/pci/devices/<BDF>/qat/state) + + The following example shows how to change the pm_idle_enabled of + a device:: + + # cat /sys/bus/pci/devices/<BDF>/qat/state + up + # cat /sys/bus/pci/devices/<BDF>/qat/pm_idle_enabled + 1 + # echo down > /sys/bus/pci/devices/<BDF>/qat/state + # echo 0 > /sys/bus/pci/devices/<BDF>/qat/pm_idle_enabled + # echo up > /sys/bus/pci/devices/<BDF>/qat/state + # cat /sys/bus/pci/devices/<BDF>/qat/pm_idle_enabled + 0 + + This attribute is only available for qat_4xxx devices. diff --git a/Documentation/ABI/testing/sysfs-driver-ufs b/Documentation/ABI/testing/sysfs-driver-ufs index 228aa43e14ed..e487f969a15e 100644 --- a/Documentation/ABI/testing/sysfs-driver-ufs +++ b/Documentation/ABI/testing/sysfs-driver-ufs @@ -994,7 +994,7 @@ Description: This file shows the amount of physical memory needed What: /sys/bus/platform/drivers/ufshcd/*/rpm_lvl What: /sys/bus/platform/devices/*.ufs/rpm_lvl Date: September 2014 -Contact: Subhash Jadavani <subhashj@codeaurora.org> +Contact: Can Guo <quic_cang@quicinc.com> Description: This entry could be used to set or show the UFS device runtime power management level. The current driver implementation supports 7 levels with next target states: @@ -1021,7 +1021,7 @@ Description: This entry could be used to set or show the UFS device What: /sys/bus/platform/drivers/ufshcd/*/rpm_target_dev_state What: /sys/bus/platform/devices/*.ufs/rpm_target_dev_state Date: February 2018 -Contact: Subhash Jadavani <subhashj@codeaurora.org> +Contact: Can Guo <quic_cang@quicinc.com> Description: This entry shows the target power mode of an UFS device for the chosen runtime power management level. @@ -1030,7 +1030,7 @@ Description: This entry shows the target power mode of an UFS device What: /sys/bus/platform/drivers/ufshcd/*/rpm_target_link_state What: /sys/bus/platform/devices/*.ufs/rpm_target_link_state Date: February 2018 -Contact: Subhash Jadavani <subhashj@codeaurora.org> +Contact: Can Guo <quic_cang@quicinc.com> Description: This entry shows the target state of an UFS UIC link for the chosen runtime power management level. @@ -1039,7 +1039,7 @@ Description: This entry shows the target state of an UFS UIC link What: /sys/bus/platform/drivers/ufshcd/*/spm_lvl What: /sys/bus/platform/devices/*.ufs/spm_lvl Date: September 2014 -Contact: Subhash Jadavani <subhashj@codeaurora.org> +Contact: Can Guo <quic_cang@quicinc.com> Description: This entry could be used to set or show the UFS device system power management level. The current driver implementation supports 7 levels with next target states: @@ -1066,7 +1066,7 @@ Description: This entry could be used to set or show the UFS device What: /sys/bus/platform/drivers/ufshcd/*/spm_target_dev_state What: /sys/bus/platform/devices/*.ufs/spm_target_dev_state Date: February 2018 -Contact: Subhash Jadavani <subhashj@codeaurora.org> +Contact: Can Guo <quic_cang@quicinc.com> Description: This entry shows the target power mode of an UFS device for the chosen system power management level. @@ -1075,7 +1075,7 @@ Description: This entry shows the target power mode of an UFS device What: /sys/bus/platform/drivers/ufshcd/*/spm_target_link_state What: /sys/bus/platform/devices/*.ufs/spm_target_link_state Date: February 2018 -Contact: Subhash Jadavani <subhashj@codeaurora.org> +Contact: Can Guo <quic_cang@quicinc.com> Description: This entry shows the target state of an UFS UIC link for the chosen system power management level. @@ -1084,7 +1084,7 @@ Description: This entry shows the target state of an UFS UIC link What: /sys/bus/platform/drivers/ufshcd/*/monitor/monitor_enable What: /sys/bus/platform/devices/*.ufs/monitor/monitor_enable Date: January 2021 -Contact: Can Guo <cang@codeaurora.org> +Contact: Can Guo <quic_cang@quicinc.com> Description: This file shows the status of performance monitor enablement and it can be used to start/stop the monitor. When the monitor is stopped, the performance data collected is also cleared. @@ -1092,7 +1092,7 @@ Description: This file shows the status of performance monitor enablement What: /sys/bus/platform/drivers/ufshcd/*/monitor/monitor_chunk_size What: /sys/bus/platform/devices/*.ufs/monitor/monitor_chunk_size Date: January 2021 -Contact: Can Guo <cang@codeaurora.org> +Contact: Can Guo <quic_cang@quicinc.com> Description: This file tells the monitor to focus on requests transferring data of specific chunk size (in Bytes). 0 means any chunk size. It can only be changed when monitor is disabled. @@ -1100,7 +1100,7 @@ Description: This file tells the monitor to focus on requests transferring What: /sys/bus/platform/drivers/ufshcd/*/monitor/read_total_sectors What: /sys/bus/platform/devices/*.ufs/monitor/read_total_sectors Date: January 2021 -Contact: Can Guo <cang@codeaurora.org> +Contact: Can Guo <quic_cang@quicinc.com> Description: This file shows how many sectors (in 512 Bytes) have been sent from device to host after monitor gets started. @@ -1109,7 +1109,7 @@ Description: This file shows how many sectors (in 512 Bytes) have been What: /sys/bus/platform/drivers/ufshcd/*/monitor/read_total_busy What: /sys/bus/platform/devices/*.ufs/monitor/read_total_busy Date: January 2021 -Contact: Can Guo <cang@codeaurora.org> +Contact: Can Guo <quic_cang@quicinc.com> Description: This file shows how long (in micro seconds) has been spent sending data from device to host after monitor gets started. @@ -1118,7 +1118,7 @@ Description: This file shows how long (in micro seconds) has been spent What: /sys/bus/platform/drivers/ufshcd/*/monitor/read_nr_requests What: /sys/bus/platform/devices/*.ufs/monitor/read_nr_requests Date: January 2021 -Contact: Can Guo <cang@codeaurora.org> +Contact: Can Guo <quic_cang@quicinc.com> Description: This file shows how many read requests have been sent after monitor gets started. @@ -1127,7 +1127,7 @@ Description: This file shows how many read requests have been sent after What: /sys/bus/platform/drivers/ufshcd/*/monitor/read_req_latency_max What: /sys/bus/platform/devices/*.ufs/monitor/read_req_latency_max Date: January 2021 -Contact: Can Guo <cang@codeaurora.org> +Contact: Can Guo <quic_cang@quicinc.com> Description: This file shows the maximum latency (in micro seconds) of read requests after monitor gets started. @@ -1136,7 +1136,7 @@ Description: This file shows the maximum latency (in micro seconds) of What: /sys/bus/platform/drivers/ufshcd/*/monitor/read_req_latency_min What: /sys/bus/platform/devices/*.ufs/monitor/read_req_latency_min Date: January 2021 -Contact: Can Guo <cang@codeaurora.org> +Contact: Can Guo <quic_cang@quicinc.com> Description: This file shows the minimum latency (in micro seconds) of read requests after monitor gets started. @@ -1145,7 +1145,7 @@ Description: This file shows the minimum latency (in micro seconds) of What: /sys/bus/platform/drivers/ufshcd/*/monitor/read_req_latency_avg What: /sys/bus/platform/devices/*.ufs/monitor/read_req_latency_avg Date: January 2021 -Contact: Can Guo <cang@codeaurora.org> +Contact: Can Guo <quic_cang@quicinc.com> Description: This file shows the average latency (in micro seconds) of read requests after monitor gets started. @@ -1154,7 +1154,7 @@ Description: This file shows the average latency (in micro seconds) of What: /sys/bus/platform/drivers/ufshcd/*/monitor/read_req_latency_sum What: /sys/bus/platform/devices/*.ufs/monitor/read_req_latency_sum Date: January 2021 -Contact: Can Guo <cang@codeaurora.org> +Contact: Can Guo <quic_cang@quicinc.com> Description: This file shows the total latency (in micro seconds) of read requests sent after monitor gets started. @@ -1163,7 +1163,7 @@ Description: This file shows the total latency (in micro seconds) of What: /sys/bus/platform/drivers/ufshcd/*/monitor/write_total_sectors What: /sys/bus/platform/devices/*.ufs/monitor/write_total_sectors Date: January 2021 -Contact: Can Guo <cang@codeaurora.org> +Contact: Can Guo <quic_cang@quicinc.com> Description: This file shows how many sectors (in 512 Bytes) have been sent from host to device after monitor gets started. @@ -1172,7 +1172,7 @@ Description: This file shows how many sectors (in 512 Bytes) have been sent What: /sys/bus/platform/drivers/ufshcd/*/monitor/write_total_busy What: /sys/bus/platform/devices/*.ufs/monitor/write_total_busy Date: January 2021 -Contact: Can Guo <cang@codeaurora.org> +Contact: Can Guo <quic_cang@quicinc.com> Description: This file shows how long (in micro seconds) has been spent sending data from host to device after monitor gets started. @@ -1181,7 +1181,7 @@ Description: This file shows how long (in micro seconds) has been spent What: /sys/bus/platform/drivers/ufshcd/*/monitor/write_nr_requests What: /sys/bus/platform/devices/*.ufs/monitor/write_nr_requests Date: January 2021 -Contact: Can Guo <cang@codeaurora.org> +Contact: Can Guo <quic_cang@quicinc.com> Description: This file shows how many write requests have been sent after monitor gets started. @@ -1190,7 +1190,7 @@ Description: This file shows how many write requests have been sent after What: /sys/bus/platform/drivers/ufshcd/*/monitor/write_req_latency_max What: /sys/bus/platform/devices/*.ufs/monitor/write_req_latency_max Date: January 2021 -Contact: Can Guo <cang@codeaurora.org> +Contact: Can Guo <quic_cang@quicinc.com> Description: This file shows the maximum latency (in micro seconds) of write requests after monitor gets started. @@ -1199,7 +1199,7 @@ Description: This file shows the maximum latency (in micro seconds) of write What: /sys/bus/platform/drivers/ufshcd/*/monitor/write_req_latency_min What: /sys/bus/platform/devices/*.ufs/monitor/write_req_latency_min Date: January 2021 -Contact: Can Guo <cang@codeaurora.org> +Contact: Can Guo <quic_cang@quicinc.com> Description: This file shows the minimum latency (in micro seconds) of write requests after monitor gets started. @@ -1208,7 +1208,7 @@ Description: This file shows the minimum latency (in micro seconds) of write What: /sys/bus/platform/drivers/ufshcd/*/monitor/write_req_latency_avg What: /sys/bus/platform/devices/*.ufs/monitor/write_req_latency_avg Date: January 2021 -Contact: Can Guo <cang@codeaurora.org> +Contact: Can Guo <quic_cang@quicinc.com> Description: This file shows the average latency (in micro seconds) of write requests after monitor gets started. @@ -1217,7 +1217,7 @@ Description: This file shows the average latency (in micro seconds) of write What: /sys/bus/platform/drivers/ufshcd/*/monitor/write_req_latency_sum What: /sys/bus/platform/devices/*.ufs/monitor/write_req_latency_sum Date: January 2021 -Contact: Can Guo <cang@codeaurora.org> +Contact: Can Guo <quic_cang@quicinc.com> Description: This file shows the total latency (in micro seconds) of write requests after monitor gets started. @@ -1226,7 +1226,7 @@ Description: This file shows the total latency (in micro seconds) of write What: /sys/bus/platform/drivers/ufshcd/*/device_descriptor/wb_presv_us_en What: /sys/bus/platform/devices/*.ufs/device_descriptor/wb_presv_us_en Date: June 2020 -Contact: Asutosh Das <asutoshd@codeaurora.org> +Contact: Asutosh Das <quic_asutoshd@quicinc.com> Description: This entry shows if preserve user-space was configured The file is read only. @@ -1234,7 +1234,7 @@ Description: This entry shows if preserve user-space was configured What: /sys/bus/platform/drivers/ufshcd/*/device_descriptor/wb_shared_alloc_units What: /sys/bus/platform/devices/*.ufs/device_descriptor/wb_shared_alloc_units Date: June 2020 -Contact: Asutosh Das <asutoshd@codeaurora.org> +Contact: Asutosh Das <quic_asutoshd@quicinc.com> Description: This entry shows the shared allocated units of WB buffer The file is read only. @@ -1242,7 +1242,7 @@ Description: This entry shows the shared allocated units of WB buffer What: /sys/bus/platform/drivers/ufshcd/*/device_descriptor/wb_type What: /sys/bus/platform/devices/*.ufs/device_descriptor/wb_type Date: June 2020 -Contact: Asutosh Das <asutoshd@codeaurora.org> +Contact: Asutosh Das <quic_asutoshd@quicinc.com> Description: This entry shows the configured WB type. 0x1 for shared buffer mode. 0x0 for dedicated buffer mode. @@ -1251,7 +1251,7 @@ Description: This entry shows the configured WB type. What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/wb_buff_cap_adj What: /sys/bus/platform/devices/*.ufs/geometry_descriptor/wb_buff_cap_adj Date: June 2020 -Contact: Asutosh Das <asutoshd@codeaurora.org> +Contact: Asutosh Das <quic_asutoshd@quicinc.com> Description: This entry shows the total user-space decrease in shared buffer mode. The value of this parameter is 3 for TLC NAND when SLC mode @@ -1262,7 +1262,7 @@ Description: This entry shows the total user-space decrease in shared What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/wb_max_alloc_units What: /sys/bus/platform/devices/*.ufs/geometry_descriptor/wb_max_alloc_units Date: June 2020 -Contact: Asutosh Das <asutoshd@codeaurora.org> +Contact: Asutosh Das <quic_asutoshd@quicinc.com> Description: This entry shows the Maximum total WriteBooster Buffer size which is supported by the entire device. @@ -1271,7 +1271,7 @@ Description: This entry shows the Maximum total WriteBooster Buffer size What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/wb_max_wb_luns What: /sys/bus/platform/devices/*.ufs/geometry_descriptor/wb_max_wb_luns Date: June 2020 -Contact: Asutosh Das <asutoshd@codeaurora.org> +Contact: Asutosh Das <quic_asutoshd@quicinc.com> Description: This entry shows the maximum number of luns that can support WriteBooster. @@ -1280,7 +1280,7 @@ Description: This entry shows the maximum number of luns that can support What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/wb_sup_red_type What: /sys/bus/platform/devices/*.ufs/geometry_descriptor/wb_sup_red_type Date: June 2020 -Contact: Asutosh Das <asutoshd@codeaurora.org> +Contact: Asutosh Das <quic_asutoshd@quicinc.com> Description: The supportability of user space reduction mode and preserve user space mode. 00h: WriteBooster Buffer can be configured only in @@ -1295,7 +1295,7 @@ Description: The supportability of user space reduction mode What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/wb_sup_wb_type What: /sys/bus/platform/devices/*.ufs/geometry_descriptor/wb_sup_wb_type Date: June 2020 -Contact: Asutosh Das <asutoshd@codeaurora.org> +Contact: Asutosh Das <quic_asutoshd@quicinc.com> Description: The supportability of WriteBooster Buffer type. === ========================================================== @@ -1310,7 +1310,7 @@ Description: The supportability of WriteBooster Buffer type. What: /sys/bus/platform/drivers/ufshcd/*/flags/wb_enable What: /sys/bus/platform/devices/*.ufs/flags/wb_enable Date: June 2020 -Contact: Asutosh Das <asutoshd@codeaurora.org> +Contact: Asutosh Das <quic_asutoshd@quicinc.com> Description: This entry shows the status of WriteBooster. == ============================ @@ -1323,7 +1323,7 @@ Description: This entry shows the status of WriteBooster. What: /sys/bus/platform/drivers/ufshcd/*/flags/wb_flush_en What: /sys/bus/platform/devices/*.ufs/flags/wb_flush_en Date: June 2020 -Contact: Asutosh Das <asutoshd@codeaurora.org> +Contact: Asutosh Das <quic_asutoshd@quicinc.com> Description: This entry shows if flush is enabled. == ================================= @@ -1336,7 +1336,7 @@ Description: This entry shows if flush is enabled. What: /sys/bus/platform/drivers/ufshcd/*/flags/wb_flush_during_h8 What: /sys/bus/platform/devices/*.ufs/flags/wb_flush_during_h8 Date: June 2020 -Contact: Asutosh Das <asutoshd@codeaurora.org> +Contact: Asutosh Das <quic_asutoshd@quicinc.com> Description: Flush WriteBooster Buffer during hibernate state. == ================================================= @@ -1351,7 +1351,7 @@ Description: Flush WriteBooster Buffer during hibernate state. What: /sys/bus/platform/drivers/ufshcd/*/attributes/wb_avail_buf What: /sys/bus/platform/devices/*.ufs/attributes/wb_avail_buf Date: June 2020 -Contact: Asutosh Das <asutoshd@codeaurora.org> +Contact: Asutosh Das <quic_asutoshd@quicinc.com> Description: This entry shows the amount of unused WriteBooster buffer available. @@ -1360,7 +1360,7 @@ Description: This entry shows the amount of unused WriteBooster buffer What: /sys/bus/platform/drivers/ufshcd/*/attributes/wb_cur_buf What: /sys/bus/platform/devices/*.ufs/attributes/wb_cur_buf Date: June 2020 -Contact: Asutosh Das <asutoshd@codeaurora.org> +Contact: Asutosh Das <quic_asutoshd@quicinc.com> Description: This entry shows the amount of unused current buffer. The file is read only. @@ -1368,7 +1368,7 @@ Description: This entry shows the amount of unused current buffer. What: /sys/bus/platform/drivers/ufshcd/*/attributes/wb_flush_status What: /sys/bus/platform/devices/*.ufs/attributes/wb_flush_status Date: June 2020 -Contact: Asutosh Das <asutoshd@codeaurora.org> +Contact: Asutosh Das <quic_asutoshd@quicinc.com> Description: This entry shows the flush operation status. @@ -1385,7 +1385,7 @@ Description: This entry shows the flush operation status. What: /sys/bus/platform/drivers/ufshcd/*/attributes/wb_life_time_est What: /sys/bus/platform/devices/*.ufs/attributes/wb_life_time_est Date: June 2020 -Contact: Asutosh Das <asutoshd@codeaurora.org> +Contact: Asutosh Das <quic_asutoshd@quicinc.com> Description: This entry shows an indication of the WriteBooster Buffer lifetime based on the amount of performed program/erase cycles @@ -1399,7 +1399,7 @@ Description: This entry shows an indication of the WriteBooster Buffer What: /sys/class/scsi_device/*/device/unit_descriptor/wb_buf_alloc_units Date: June 2020 -Contact: Asutosh Das <asutoshd@codeaurora.org> +Contact: Asutosh Das <quic_asutoshd@quicinc.com> Description: This entry shows the configured size of WriteBooster buffer. 0400h corresponds to 4GB. @@ -1426,6 +1426,17 @@ Description: This entry shows the status of WriteBooster buffer flushing If flushing is enabled, the device executes the flush operation when the command queue is empty. +What: /sys/bus/platform/drivers/ufshcd/*/wb_flush_threshold +What: /sys/bus/platform/devices/*.ufs/wb_flush_threshold +Date: June 2023 +Contact: Lu Hongfei <luhongfei@vivo.com> +Description: + wb_flush_threshold represents the threshold for flushing WriteBooster buffer, + whose value expressed in unit of 10% granularity, such as '1' representing 10%, + '2' representing 20%, and so on. + If avail_wb_buff < wb_flush_threshold, it indicates that WriteBooster buffer needs to + be flushed, otherwise it is not necessary. + What: /sys/bus/platform/drivers/ufshcd/*/device_descriptor/hpb_version What: /sys/bus/platform/devices/*.ufs/device_descriptor/hpb_version Date: June 2021 diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs index 8140fc98f5ae..ad3d76d37c8b 100644 --- a/Documentation/ABI/testing/sysfs-fs-f2fs +++ b/Documentation/ABI/testing/sysfs-fs-f2fs @@ -54,9 +54,9 @@ Description: Controls the in-place-update policy. 0x00 DISABLE disable IPU(=default option in LFS mode) 0x01 FORCE all the time 0x02 SSR if SSR mode is activated - 0x04 UTIL if FS utilization is over threashold + 0x04 UTIL if FS utilization is over threshold 0x08 SSR_UTIL if SSR mode is activated and FS utilization is over - threashold + threshold 0x10 FSYNC activated in fsync path only for high performance flash storages. IPU will be triggered only if the # of dirty pages over min_fsync_blocks. @@ -117,7 +117,7 @@ Date: December 2021 Contact: "Konstantin Vyshetsky" <vkon@google.com> Description: Controls the number of discards a thread will issue at a time. Higher number will allow the discard thread to finish its work - faster, at the cost of higher latency for incomming I/O. + faster, at the cost of higher latency for incoming I/O. What: /sys/fs/f2fs/<disk>/min_discard_issue_time Date: December 2021 @@ -334,7 +334,7 @@ Description: This indicates how many GC can be failed for the pinned state. 2048 trials is set by default. What: /sys/fs/f2fs/<disk>/extension_list -Date: Feburary 2018 +Date: February 2018 Contact: "Chao Yu" <yuchao0@huawei.com> Description: Used to control configure extension list: - Query: cat /sys/fs/f2fs/<disk>/extension_list diff --git a/Documentation/ABI/testing/sysfs-module b/Documentation/ABI/testing/sysfs-module index 08886367d047..62addab47d0c 100644 --- a/Documentation/ABI/testing/sysfs-module +++ b/Documentation/ABI/testing/sysfs-module @@ -60,3 +60,14 @@ Description: Module taint flags: C staging driver module E unsigned module == ===================== + +What: /sys/module/grant_table/parameters/free_per_iteration +Date: July 2023 +KernelVersion: 6.5 but backported to all supported stable branches +Contact: Xen developer discussion <xen-devel@lists.xenproject.org> +Description: Read and write number of grant entries to attempt to free per iteration. + + Note: Future versions of Xen and Linux may provide a better + interface for controlling the rate of deferred grant reclaim + or may not need it at all. +Users: Qubes OS (https://www.qubes-os.org) diff --git a/Documentation/ABI/testing/sysfs-ocfs2 b/Documentation/ABI/testing/sysfs-ocfs2 index b7cc516a8a8a..494d7c1ac710 100644 --- a/Documentation/ABI/testing/sysfs-ocfs2 +++ b/Documentation/ABI/testing/sysfs-ocfs2 @@ -1,13 +1,13 @@ What: /sys/fs/ocfs2/ Date: April 2008 -Contact: ocfs2-devel@oss.oracle.com +Contact: ocfs2-devel@lists.linux.dev Description: The /sys/fs/ocfs2 directory contains knobs used by the ocfs2-tools to interact with the filesystem. What: /sys/fs/ocfs2/max_locking_protocol Date: April 2008 -Contact: ocfs2-devel@oss.oracle.com +Contact: ocfs2-devel@lists.linux.dev Description: The /sys/fs/ocfs2/max_locking_protocol file displays version of ocfs2 locking supported by the filesystem. This version @@ -28,7 +28,7 @@ Description: What: /sys/fs/ocfs2/loaded_cluster_plugins Date: April 2008 -Contact: ocfs2-devel@oss.oracle.com +Contact: ocfs2-devel@lists.linux.dev Description: The /sys/fs/ocfs2/loaded_cluster_plugins file describes the available plugins to support ocfs2 cluster operation. @@ -48,7 +48,7 @@ Description: What: /sys/fs/ocfs2/active_cluster_plugin Date: April 2008 -Contact: ocfs2-devel@oss.oracle.com +Contact: ocfs2-devel@lists.linux.dev Description: The /sys/fs/ocfs2/active_cluster_plugin displays which cluster plugin is currently in use by the filesystem. @@ -65,7 +65,7 @@ Description: What: /sys/fs/ocfs2/cluster_stack Date: April 2008 -Contact: ocfs2-devel@oss.oracle.com +Contact: ocfs2-devel@lists.linux.dev Description: The /sys/fs/ocfs2/cluster_stack file contains the name of current ocfs2 cluster stack. This value is set by @@ -86,4 +86,4 @@ Description: stack return an error. Users: - ocfs2-tools <ocfs2-tools-devel@oss.oracle.com> + ocfs2-tools <ocfs2-tools-devel@lists.linux.dev> diff --git a/Documentation/ABI/testing/sysfs-platform-dell-wmi-ddv b/Documentation/ABI/testing/sysfs-platform-dell-wmi-ddv index 1d97ad615c66..a9d39d9e8865 100644 --- a/Documentation/ABI/testing/sysfs-platform-dell-wmi-ddv +++ b/Documentation/ABI/testing/sysfs-platform-dell-wmi-ddv @@ -3,5 +3,7 @@ Date: September 2022 KernelVersion: 6.1 Contact: Armin Wolf <W_Armin@gmx.de> Description: - Reports the Dell ePPID (electronic Dell Piece Part Identification) + Reports the Dell ePPID (electronic Piece Part Identification) of the ACPI battery. + + See Documentation/wmi/devices/dell-wmi-ddv.rst for details. diff --git a/Documentation/ABI/testing/sysfs-platform-hidma b/Documentation/ABI/testing/sysfs-platform-hidma index fca40a54df59..a80aeda85ef6 100644 --- a/Documentation/ABI/testing/sysfs-platform-hidma +++ b/Documentation/ABI/testing/sysfs-platform-hidma @@ -2,7 +2,7 @@ What: /sys/devices/platform/hidma-*/chid /sys/devices/platform/QCOM8061:*/chid Date: Dec 2015 KernelVersion: 4.4 -Contact: "Sinan Kaya <okaya@codeaurora.org>" +Contact: "Sinan Kaya <okaya@kernel.org>" Description: Contains the ID of the channel within the HIDMA instance. It is used to associate a given HIDMA channel with the diff --git a/Documentation/ABI/testing/sysfs-platform-hidma-mgmt b/Documentation/ABI/testing/sysfs-platform-hidma-mgmt index 3b6c5c9eabdc..0373745b4e18 100644 --- a/Documentation/ABI/testing/sysfs-platform-hidma-mgmt +++ b/Documentation/ABI/testing/sysfs-platform-hidma-mgmt @@ -2,7 +2,7 @@ What: /sys/devices/platform/hidma-mgmt*/chanops/chan*/priority /sys/devices/platform/QCOM8060:*/chanops/chan*/priority Date: Nov 2015 KernelVersion: 4.4 -Contact: "Sinan Kaya <okaya@codeaurora.org>" +Contact: "Sinan Kaya <okaya@kernel.org>" Description: Contains either 0 or 1 and indicates if the DMA channel is a low priority (0) or high priority (1) channel. @@ -11,7 +11,7 @@ What: /sys/devices/platform/hidma-mgmt*/chanops/chan*/weight /sys/devices/platform/QCOM8060:*/chanops/chan*/weight Date: Nov 2015 KernelVersion: 4.4 -Contact: "Sinan Kaya <okaya@codeaurora.org>" +Contact: "Sinan Kaya <okaya@kernel.org>" Description: Contains 0..15 and indicates the weight of the channel among equal priority channels during round robin scheduling. @@ -20,7 +20,7 @@ What: /sys/devices/platform/hidma-mgmt*/chreset_timeout_cycles /sys/devices/platform/QCOM8060:*/chreset_timeout_cycles Date: Nov 2015 KernelVersion: 4.4 -Contact: "Sinan Kaya <okaya@codeaurora.org>" +Contact: "Sinan Kaya <okaya@kernel.org>" Description: Contains the platform specific cycle value to wait after a reset command is issued. If the value is chosen too short, @@ -32,7 +32,7 @@ What: /sys/devices/platform/hidma-mgmt*/dma_channels /sys/devices/platform/QCOM8060:*/dma_channels Date: Nov 2015 KernelVersion: 4.4 -Contact: "Sinan Kaya <okaya@codeaurora.org>" +Contact: "Sinan Kaya <okaya@kernel.org>" Description: Contains the number of dma channels supported by one instance of HIDMA hardware. The value may change from chip to chip. @@ -41,7 +41,7 @@ What: /sys/devices/platform/hidma-mgmt*/hw_version_major /sys/devices/platform/QCOM8060:*/hw_version_major Date: Nov 2015 KernelVersion: 4.4 -Contact: "Sinan Kaya <okaya@codeaurora.org>" +Contact: "Sinan Kaya <okaya@kernel.org>" Description: Version number major for the hardware. @@ -49,7 +49,7 @@ What: /sys/devices/platform/hidma-mgmt*/hw_version_minor /sys/devices/platform/QCOM8060:*/hw_version_minor Date: Nov 2015 KernelVersion: 4.4 -Contact: "Sinan Kaya <okaya@codeaurora.org>" +Contact: "Sinan Kaya <okaya@kernel.org>" Description: Version number minor for the hardware. @@ -57,7 +57,7 @@ What: /sys/devices/platform/hidma-mgmt*/max_rd_xactions /sys/devices/platform/QCOM8060:*/max_rd_xactions Date: Nov 2015 KernelVersion: 4.4 -Contact: "Sinan Kaya <okaya@codeaurora.org>" +Contact: "Sinan Kaya <okaya@kernel.org>" Description: Contains a value between 0 and 31. Maximum number of read transactions that can be issued back to back. @@ -69,7 +69,7 @@ What: /sys/devices/platform/hidma-mgmt*/max_read_request /sys/devices/platform/QCOM8060:*/max_read_request Date: Nov 2015 KernelVersion: 4.4 -Contact: "Sinan Kaya <okaya@codeaurora.org>" +Contact: "Sinan Kaya <okaya@kernel.org>" Description: Size of each read request. The value needs to be a power of two and can be between 128 and 1024. @@ -78,7 +78,7 @@ What: /sys/devices/platform/hidma-mgmt*/max_wr_xactions /sys/devices/platform/QCOM8060:*/max_wr_xactions Date: Nov 2015 KernelVersion: 4.4 -Contact: "Sinan Kaya <okaya@codeaurora.org>" +Contact: "Sinan Kaya <okaya@kernel.org>" Description: Contains a value between 0 and 31. Maximum number of write transactions that can be issued back to back. @@ -91,7 +91,7 @@ What: /sys/devices/platform/hidma-mgmt*/max_write_request /sys/devices/platform/QCOM8060:*/max_write_request Date: Nov 2015 KernelVersion: 4.4 -Contact: "Sinan Kaya <okaya@codeaurora.org>" +Contact: "Sinan Kaya <okaya@kernel.org>" Description: Size of each write request. The value needs to be a power of two and can be between 128 and 1024. diff --git a/Documentation/ABI/testing/sysfs-platform-mellanox-bootctl b/Documentation/ABI/testing/sysfs-platform-mellanox-bootctl index 9b99a81babb1..4c5c02d8f870 100644 --- a/Documentation/ABI/testing/sysfs-platform-mellanox-bootctl +++ b/Documentation/ABI/testing/sysfs-platform-mellanox-bootctl @@ -75,3 +75,12 @@ KernelVersion: 6.4 Contact: "Liming Sun <limings@nvidia.com>" Description: The file used to access the BlueField boot fifo. + +What: /sys/bus/platform/devices/MLNXBF04:00/rsh_log +Date: May 2023 +KernelVersion: 6.4 +Contact: "Liming Sun <limings@nvidia.com>" +Description: + The file used to write BlueField boot log with the format + "[INFO|WARN|ERR|ASSERT ]<msg>". Log level 'INFO' is used by + default if not specified. |