diff options
Diffstat (limited to 'Documentation/ABI')
-rw-r--r-- | Documentation/ABI/stable/sysfs-bus-vmbus | 7 | ||||
-rw-r--r-- | Documentation/ABI/stable/sysfs-class-tpm | 14 | ||||
-rw-r--r-- | Documentation/ABI/testing/ima_policy | 5 | ||||
-rw-r--r-- | Documentation/ABI/testing/sysfs-bus-iio | 11 | ||||
-rw-r--r-- | Documentation/ABI/testing/sysfs-bus-iio-dac-ad5766 | 31 | ||||
-rw-r--r-- | Documentation/ABI/testing/sysfs-bus-thunderbolt | 22 | ||||
-rw-r--r-- | Documentation/ABI/testing/sysfs-class-devlink | 4 | ||||
-rw-r--r-- | Documentation/ABI/testing/sysfs-class-led-trigger-tty | 6 | ||||
-rw-r--r-- | Documentation/ABI/testing/sysfs-class-net | 15 | ||||
-rw-r--r-- | Documentation/ABI/testing/sysfs-class-net-dsa | 11 | ||||
-rw-r--r-- | Documentation/ABI/testing/sysfs-class-net-qmi | 10 | ||||
-rw-r--r-- | Documentation/ABI/testing/sysfs-class-typec | 20 | ||||
-rw-r--r-- | Documentation/ABI/testing/sysfs-devices-consumer | 5 | ||||
-rw-r--r-- | Documentation/ABI/testing/sysfs-devices-supplier | 5 | ||||
-rw-r--r-- | Documentation/ABI/testing/sysfs-driver-ufs | 36 | ||||
-rw-r--r-- | Documentation/ABI/testing/sysfs-fs-f2fs | 32 |
16 files changed, 206 insertions, 28 deletions
diff --git a/Documentation/ABI/stable/sysfs-bus-vmbus b/Documentation/ABI/stable/sysfs-bus-vmbus index c27b7b89477c..42599d9fa161 100644 --- a/Documentation/ABI/stable/sysfs-bus-vmbus +++ b/Documentation/ABI/stable/sysfs-bus-vmbus @@ -1,3 +1,10 @@ +What: /sys/bus/vmbus/hibernation +Date: Jan 2021 +KernelVersion: 5.12 +Contact: Dexuan Cui <decui@microsoft.com> +Description: Whether the host supports hibernation for the VM. +Users: Daemon that sets up swap partition/file for hibernation. + What: /sys/bus/vmbus/devices/<UUID>/id Date: Jul 2009 KernelVersion: 2.6.31 diff --git a/Documentation/ABI/stable/sysfs-class-tpm b/Documentation/ABI/stable/sysfs-class-tpm index 91ca63ec7581..d897ecb9615f 100644 --- a/Documentation/ABI/stable/sysfs-class-tpm +++ b/Documentation/ABI/stable/sysfs-class-tpm @@ -194,3 +194,17 @@ Description: The "tpm_version_major" property shows the TCG spec major version Example output:: 2 + +What: /sys/class/tpm/tpmX/pcr-H/N +Date: March 2021 +KernelVersion: 5.12 +Contact: linux-integrity@vger.kernel.org +Description: produces output in compact hex representation for PCR + number N from hash bank H. N is the numeric value of + the PCR number and H is the crypto string + representation of the hash + + Example output:: + + cat /sys/class/tpm/tpm0/pcr-sha256/7 + 2ED93F199692DC6788EFA6A1FE74514AB9760B2A6CEEAEF6C808C13E4ABB0D42 diff --git a/Documentation/ABI/testing/ima_policy b/Documentation/ABI/testing/ima_policy index e35263f97fc1..bc8e1cbe5e61 100644 --- a/Documentation/ABI/testing/ima_policy +++ b/Documentation/ABI/testing/ima_policy @@ -32,7 +32,7 @@ Description: func:= [BPRM_CHECK][MMAP_CHECK][CREDS_CHECK][FILE_CHECK]MODULE_CHECK] [FIRMWARE_CHECK] [KEXEC_KERNEL_CHECK] [KEXEC_INITRAMFS_CHECK] - [KEXEC_CMDLINE] [KEY_CHECK] + [KEXEC_CMDLINE] [KEY_CHECK] [CRITICAL_DATA] mask:= [[^]MAY_READ] [[^]MAY_WRITE] [[^]MAY_APPEND] [[^]MAY_EXEC] fsmagic:= hex value @@ -52,6 +52,9 @@ Description: template:= name of a defined IMA template type (eg, ima-ng). Only valid when action is "measure". pcr:= decimal value + label:= [selinux]|[kernel_info]|[data_label] + data_label:= a unique string used for grouping and limiting critical data. + For example, "selinux" to measure critical data for SELinux. default policy: # PROC_SUPER_MAGIC diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio index 35289d47d6cb..d957f5da5c04 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio +++ b/Documentation/ABI/testing/sysfs-bus-iio @@ -198,6 +198,7 @@ Description: Units after application of scale and offset are m/s^2. What: /sys/bus/iio/devices/iio:deviceX/in_angl_raw +What: /sys/bus/iio/devices/iio:deviceX/in_anglY_raw KernelVersion: 4.17 Contact: linux-iio@vger.kernel.org Description: @@ -1812,3 +1813,13 @@ Contact: linux-iio@vger.kernel.org Description: Unscaled light intensity according to CIE 1931/DIN 5033 color space. Units after application of scale are nano nanowatts per square meter. + +What: /sys/bus/iio/devices/iio:deviceX/in_anglY_label +KernelVersion: 5.12 +Contact: linux-iio@vger.kernel.org +Description: + Optional symbolic label for channel Y. + For Intel hid hinge sensor, the label values are: + hinge, keyboard, screen. It means the three channels + each correspond respectively to hinge angle, keyboard angle, + and screen angle. diff --git a/Documentation/ABI/testing/sysfs-bus-iio-dac-ad5766 b/Documentation/ABI/testing/sysfs-bus-iio-dac-ad5766 new file mode 100644 index 000000000000..7fbcba15bf1e --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-iio-dac-ad5766 @@ -0,0 +1,31 @@ +What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_dither_enable +KernelVersion: 5.12 +Contact: linux-iio@vger.kernel.org +Description: + Dither enable. Write 1 to enable dither or 0 to disable it. + +What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_dither_invert +KernelVersion: 5.12 +Contact: linux-iio@vger.kernel.org +Description: + Inverts the dither applied to the selected DAC channel. Dither is not + inverted by default. Write "1" to invert dither. + +What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_dither_scale_available +KernelVersion: 5.12 +Contact: linux-iio@vger.kernel.org +Description: + Returns possible scalings available for the current channel. + +What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_dither_scale +KernelVersion: 5.12 +Contact: linux-iio@vger.kernel.org +Description: + Scales the dither before it is applied to the selected channel. + +What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_dither_source +KernelVersion: 5.12 +Contact: linux-iio@vger.kernel.org +Description: + Selects dither source applied to the selected channel. Write "0" to + select N0 source, write "1" to select N1 source. diff --git a/Documentation/ABI/testing/sysfs-bus-thunderbolt b/Documentation/ABI/testing/sysfs-bus-thunderbolt index a91b4b24496e..d7f09d011b6d 100644 --- a/Documentation/ABI/testing/sysfs-bus-thunderbolt +++ b/Documentation/ABI/testing/sysfs-bus-thunderbolt @@ -49,6 +49,15 @@ Description: Holds a comma separated list of device unique_ids that If a device is authorized automatically during boot its boot attribute is set to 1. +What: /sys/bus/thunderbolt/devices/.../domainX/deauthorization +Date: May 2021 +KernelVersion: 5.12 +Contact: Mika Westerberg <mika.westerberg@linux.intel.com> +Description: This attribute tells whether the system supports + de-authorization of devices. Value of 1 means user can + de-authorize PCIe tunnel by writing 0 to authorized + attribute under each device. + What: /sys/bus/thunderbolt/devices/.../domainX/iommu_dma_protection Date: Mar 2019 KernelVersion: 4.21 @@ -76,6 +85,8 @@ Description: This attribute holds current Thunderbolt security level usbonly Automatically tunnel USB controller of the connected Thunderbolt dock (and Display Port). All PCIe links downstream of the dock are removed. + nopcie USB4 system where PCIe tunneling is disabled from + the BIOS. ======= ================================================== What: /sys/bus/thunderbolt/devices/.../authorized @@ -84,22 +95,25 @@ KernelVersion: 4.13 Contact: thunderbolt-software@lists.01.org Description: This attribute is used to authorize Thunderbolt devices after they have been connected. If the device is not - authorized, no devices such as PCIe and Display port are - available to the system. + authorized, no PCIe devices are available to the system. Contents of this attribute will be 0 when the device is not yet authorized. Possible values are supported: - == =========================================== + == =================================================== + 0 The device will be de-authorized (only supported if + deauthorization attribute under domain contains 1) 1 The device will be authorized and connected - == =========================================== + == =================================================== When key attribute contains 32 byte hex string the possible values are: == ======================================================== + 0 The device will be de-authorized (only supported if + deauthorization attribute under domain contains 1) 1 The 32 byte hex string is added to the device NVM and the device is authorized. 2 Send a challenge based on the 32 byte hex string. If the diff --git a/Documentation/ABI/testing/sysfs-class-devlink b/Documentation/ABI/testing/sysfs-class-devlink index b662f747c83e..8a21ce515f61 100644 --- a/Documentation/ABI/testing/sysfs-class-devlink +++ b/Documentation/ABI/testing/sysfs-class-devlink @@ -5,8 +5,8 @@ Description: Provide a place in sysfs for the device link objects in the kernel at any given time. The name of a device link directory, denoted as ... above, is of the form <supplier>--<consumer> - where <supplier> is the supplier device name and <consumer> is - the consumer device name. + where <supplier> is the supplier bus:device name and <consumer> + is the consumer bus:device name. What: /sys/class/devlink/.../auto_remove_on Date: May 2020 diff --git a/Documentation/ABI/testing/sysfs-class-led-trigger-tty b/Documentation/ABI/testing/sysfs-class-led-trigger-tty new file mode 100644 index 000000000000..2bf6b24e781b --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-led-trigger-tty @@ -0,0 +1,6 @@ +What: /sys/class/leds/<led>/ttyname +Date: Dec 2020 +KernelVersion: 5.10 +Contact: linux-leds@vger.kernel.org +Description: + Specifies the tty device name of the triggering tty diff --git a/Documentation/ABI/testing/sysfs-class-net b/Documentation/ABI/testing/sysfs-class-net index 1f2002df5ba2..1419103d11f9 100644 --- a/Documentation/ABI/testing/sysfs-class-net +++ b/Documentation/ABI/testing/sysfs-class-net @@ -337,3 +337,18 @@ Contact: netdev@vger.kernel.org Description: 32-bit unsigned integer counting the number of times the link has been down + +What: /sys/class/net/<iface>/threaded +Date: Jan 2021 +KernelVersion: 5.12 +Contact: netdev@vger.kernel.org +Description: + Boolean value to control the threaded mode per device. User could + set this value to enable/disable threaded mode for all napi + belonging to this device, without the need to do device up/down. + + Possible values: + == ================================== + 0 threaded mode disabled for this dev + 1 threaded mode enabled for this dev + == ================================== diff --git a/Documentation/ABI/testing/sysfs-class-net-dsa b/Documentation/ABI/testing/sysfs-class-net-dsa index 985d84c585c6..e2da26b44dd0 100644 --- a/Documentation/ABI/testing/sysfs-class-net-dsa +++ b/Documentation/ABI/testing/sysfs-class-net-dsa @@ -3,5 +3,12 @@ Date: August 2018 KernelVersion: 4.20 Contact: netdev@vger.kernel.org Description: - String indicating the type of tagging protocol used by the - DSA slave network device. + On read, this file returns a string indicating the type of + tagging protocol used by the DSA network devices that are + attached to this master interface. + On write, this file changes the tagging protocol of the + attached DSA switches, if this operation is supported by the + driver. Changing the tagging protocol must be done with the DSA + interfaces and the master interface all administratively down. + See the "name" field of each registered struct dsa_device_ops + for a list of valid values. diff --git a/Documentation/ABI/testing/sysfs-class-net-qmi b/Documentation/ABI/testing/sysfs-class-net-qmi index c310db4ccbc2..ed79f5893421 100644 --- a/Documentation/ABI/testing/sysfs-class-net-qmi +++ b/Documentation/ABI/testing/sysfs-class-net-qmi @@ -48,3 +48,13 @@ Description: Write a number ranging from 1 to 254 to delete a previously created qmap mux based network device. + +What: /sys/class/net/<qmimux iface>/qmap/mux_id +Date: January 2021 +KernelVersion: 5.12 +Contact: Daniele Palmas <dnlplm@gmail.com> +Description: + Unsigned integer + + Indicates the mux id associated to the qmimux network interface + during its creation. diff --git a/Documentation/ABI/testing/sysfs-class-typec b/Documentation/ABI/testing/sysfs-class-typec index 8eab41e79ce6..40122d915ae1 100644 --- a/Documentation/ABI/testing/sysfs-class-typec +++ b/Documentation/ABI/testing/sysfs-class-typec @@ -105,7 +105,25 @@ Date: April 2017 Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com> Description: Revision number of the supported USB Power Delivery - specification, or 0 when USB Power Delivery is not supported. + specification, or 0.0 when USB Power Delivery is not supported. + + Example values: + - "2.0": USB Power Delivery Release 2.0 + - "3.0": USB Power Delivery Release 3.0 + - "3.1": USB Power Delivery Release 3.1 + +What: /sys/class/typec/<port>-{partner|cable}/usb_power_delivery_revision +Date: January 2021 +Contact: Benson Leung <bleung@chromium.org> +Description: + Revision number of the supported USB Power Delivery + specification of the port partner or cable, or 0.0 when USB + Power Delivery is not supported. + + Example values: + - "2.0": USB Power Delivery Release 2.0 + - "3.0": USB Power Delivery Release 3.0 + - "3.1": USB Power Delivery Release 3.1 What: /sys/class/typec/<port>/usb_typec_revision Date: April 2017 diff --git a/Documentation/ABI/testing/sysfs-devices-consumer b/Documentation/ABI/testing/sysfs-devices-consumer index 1f06d74d1c3c..0809fda092e6 100644 --- a/Documentation/ABI/testing/sysfs-devices-consumer +++ b/Documentation/ABI/testing/sysfs-devices-consumer @@ -4,5 +4,6 @@ Contact: Saravana Kannan <saravanak@google.com> Description: The /sys/devices/.../consumer:<consumer> are symlinks to device links where this device is the supplier. <consumer> denotes the - name of the consumer in that device link. There can be zero or - more of these symlinks for a given device. + name of the consumer in that device link and is of the form + bus:device name. There can be zero or more of these symlinks + for a given device. diff --git a/Documentation/ABI/testing/sysfs-devices-supplier b/Documentation/ABI/testing/sysfs-devices-supplier index a919e0db5e90..207f5972e98d 100644 --- a/Documentation/ABI/testing/sysfs-devices-supplier +++ b/Documentation/ABI/testing/sysfs-devices-supplier @@ -4,5 +4,6 @@ Contact: Saravana Kannan <saravanak@google.com> Description: The /sys/devices/.../supplier:<supplier> are symlinks to device links where this device is the consumer. <supplier> denotes the - name of the supplier in that device link. There can be zero or - more of these symlinks for a given device. + name of the supplier in that device link and is of the form + bus:device name. There can be zero or more of these symlinks + for a given device. diff --git a/Documentation/ABI/testing/sysfs-driver-ufs b/Documentation/ABI/testing/sysfs-driver-ufs index adc0d0e91607..75ccc5c62b3c 100644 --- a/Documentation/ABI/testing/sysfs-driver-ufs +++ b/Documentation/ABI/testing/sysfs-driver-ufs @@ -916,21 +916,25 @@ Date: September 2014 Contact: Subhash Jadavani <subhashj@codeaurora.org> Description: This entry could be used to set or show the UFS device runtime power management level. The current driver - implementation supports 6 levels with next target states: + implementation supports 7 levels with next target states: == ==================================================== - 0 an UFS device will stay active, an UIC link will + 0 UFS device will stay active, UIC link will stay active - 1 an UFS device will stay active, an UIC link will + 1 UFS device will stay active, UIC link will hibernate - 2 an UFS device will moved to sleep, an UIC link will + 2 UFS device will be moved to sleep, UIC link will stay active - 3 an UFS device will moved to sleep, an UIC link will + 3 UFS device will be moved to sleep, UIC link will hibernate - 4 an UFS device will be powered off, an UIC link will + 4 UFS device will be powered off, UIC link will hibernate - 5 an UFS device will be powered off, an UIC link will + 5 UFS device will be powered off, UIC link will be powered off + 6 UFS device will be moved to deep sleep, UIC link + will be powered off. Note, deep sleep might not be + supported in which case this value will not be + accepted == ==================================================== What: /sys/bus/platform/drivers/ufshcd/*/rpm_target_dev_state @@ -954,21 +958,25 @@ Date: September 2014 Contact: Subhash Jadavani <subhashj@codeaurora.org> Description: This entry could be used to set or show the UFS device system power management level. The current driver - implementation supports 6 levels with next target states: + implementation supports 7 levels with next target states: == ==================================================== - 0 an UFS device will stay active, an UIC link will + 0 UFS device will stay active, UIC link will stay active - 1 an UFS device will stay active, an UIC link will + 1 UFS device will stay active, UIC link will hibernate - 2 an UFS device will moved to sleep, an UIC link will + 2 UFS device will be moved to sleep, UIC link will stay active - 3 an UFS device will moved to sleep, an UIC link will + 3 UFS device will be moved to sleep, UIC link will hibernate - 4 an UFS device will be powered off, an UIC link will + 4 UFS device will be powered off, UIC link will hibernate - 5 an UFS device will be powered off, an UIC link will + 5 UFS device will be powered off, UIC link will be powered off + 6 UFS device will be moved to deep sleep, UIC link + will be powered off. Note, deep sleep might not be + supported in which case this value will not be + accepted == ==================================================== What: /sys/bus/platform/drivers/ufshcd/*/spm_target_dev_state diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs index 3dfee94e0618..cbeac1bebe2f 100644 --- a/Documentation/ABI/testing/sysfs-fs-f2fs +++ b/Documentation/ABI/testing/sysfs-fs-f2fs @@ -377,3 +377,35 @@ Description: This gives a control to limit the bio size in f2fs. Default is zero, which will follow underlying block layer limit, whereas, if it has a certain bytes value, f2fs won't submit a bio larger than that size. + +What: /sys/fs/f2fs/<disk>/stat/sb_status +Date: December 2020 +Contact: "Chao Yu" <yuchao0@huawei.com> +Description: Show status of f2fs superblock in real time. + + ====== ===================== ================================= + value sb status macro description + 0x1 SBI_IS_DIRTY dirty flag for checkpoint + 0x2 SBI_IS_CLOSE specify unmounting + 0x4 SBI_NEED_FSCK need fsck.f2fs to fix + 0x8 SBI_POR_DOING recovery is doing or not + 0x10 SBI_NEED_SB_WRITE need to recover superblock + 0x20 SBI_NEED_CP need to checkpoint + 0x40 SBI_IS_SHUTDOWN shutdown by ioctl + 0x80 SBI_IS_RECOVERED recovered orphan/data + 0x100 SBI_CP_DISABLED CP was disabled last mount + 0x200 SBI_CP_DISABLED_QUICK CP was disabled quickly + 0x400 SBI_QUOTA_NEED_FLUSH need to flush quota info in CP + 0x800 SBI_QUOTA_SKIP_FLUSH skip flushing quota in current CP + 0x1000 SBI_QUOTA_NEED_REPAIR quota file may be corrupted + 0x2000 SBI_IS_RESIZEFS resizefs is in process + ====== ===================== ================================= + +What: /sys/fs/f2fs/<disk>/ckpt_thread_ioprio +Date: January 2021 +Contact: "Daeho Jeong" <daehojeong@google.com> +Description: Give a way to change checkpoint merge daemon's io priority. + Its default value is "be,3", which means "BE" I/O class and + I/O priority "3". We can select the class between "rt" and "be", + and set the I/O priority within valid range of it. "," delimiter + is necessary in between I/O class and priority number. |