diff options
Diffstat (limited to 'Documentation/ABI/testing')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-iio | 36 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-usb_power_delivery | 28 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-driver-uio_pci_sva-pasid | 29 |
3 files changed, 93 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio index 89b4740dcfa1..5f87dcee78f7 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio +++ b/Documentation/ABI/testing/sysfs-bus-iio @@ -898,6 +898,7 @@ What: /sys/.../iio:deviceX/events/in_tempY_thresh_rising_en What: /sys/.../iio:deviceX/events/in_tempY_thresh_falling_en What: /sys/.../iio:deviceX/events/in_capacitanceY_thresh_rising_en What: /sys/.../iio:deviceX/events/in_capacitanceY_thresh_falling_en +What: /sys/.../iio:deviceX/events/in_pressure_thresh_rising_en KernelVersion: 2.6.37 Contact: linux-iio@vger.kernel.org Description: @@ -926,6 +927,7 @@ What: /sys/.../iio:deviceX/events/in_accel_y_roc_rising_en What: /sys/.../iio:deviceX/events/in_accel_y_roc_falling_en What: /sys/.../iio:deviceX/events/in_accel_z_roc_rising_en What: /sys/.../iio:deviceX/events/in_accel_z_roc_falling_en +What: /sys/.../iio:deviceX/events/in_accel_x&y&z_roc_rising_en What: /sys/.../iio:deviceX/events/in_anglvel_x_roc_rising_en What: /sys/.../iio:deviceX/events/in_anglvel_x_roc_falling_en What: /sys/.../iio:deviceX/events/in_anglvel_y_roc_rising_en @@ -1001,6 +1003,7 @@ Description: to the raw signal, allowing slow tracking to resume and the adaptive threshold event detection to function as expected. +What: /sys/.../events/in_accel_mag_adaptive_rising_value What: /sys/.../events/in_accel_thresh_rising_value What: /sys/.../events/in_accel_thresh_falling_value What: /sys/.../events/in_accel_x_raw_thresh_rising_value @@ -1045,6 +1048,7 @@ What: /sys/.../events/in_capacitanceY_thresh_rising_value What: /sys/.../events/in_capacitanceY_thresh_falling_value What: /sys/.../events/in_capacitanceY_thresh_adaptive_rising_value What: /sys/.../events/in_capacitanceY_thresh_falling_rising_value +What: /sys/.../events/in_pressure_thresh_rising_value KernelVersion: 2.6.37 Contact: linux-iio@vger.kernel.org Description: @@ -1147,6 +1151,7 @@ Description: will get activated once in_voltage0_raw goes above 1200 and will become deactivated again once the value falls below 1150. +What: /sys/.../events/in_accel_roc_rising_value What: /sys/.../events/in_accel_x_raw_roc_rising_value What: /sys/.../events/in_accel_x_raw_roc_falling_value What: /sys/.../events/in_accel_y_raw_roc_rising_value @@ -1193,6 +1198,8 @@ Description: value is in raw device units or in processed units (as _raw and _input do on sysfs direct channel read attributes). +What: /sys/.../events/in_accel_mag_adaptive_rising_period +What: /sys/.../events/in_accel_roc_rising_period What: /sys/.../events/in_accel_x_thresh_rising_period What: /sys/.../events/in_accel_x_thresh_falling_period What: /sys/.../events/in_accel_x_roc_rising_period @@ -1362,6 +1369,15 @@ Description: number or direction is not specified, applies to all channels of this type. +What: /sys/.../iio:deviceX/events/in_accel_x_mag_adaptive_rising_en +What: /sys/.../iio:deviceX/events/in_accel_y_mag_adaptive_rising_en +What: /sys/.../iio:deviceX/events/in_accel_z_mag_adaptive_rising_en +KernelVersion: 2.6.37 +Contact: linux-iio@vger.kernel.org +Description: + Similar to in_accel_x_thresh[_rising|_falling]_en, but here the + magnitude of the channel is compared to the adaptive threshold. + What: /sys/.../iio:deviceX/events/in_accel_mag_referenced_en What: /sys/.../iio:deviceX/events/in_accel_mag_referenced_rising_en What: /sys/.../iio:deviceX/events/in_accel_mag_referenced_falling_en @@ -2422,3 +2438,23 @@ Description: Value representing the user's attention to the system expressed in units as percentage. This usually means if the user is looking at the screen or not. + +What: /sys/.../events/in_accel_value_available +KernelVersion: 6.18 +Contact: linux-iio@vger.kernel.org +Description: + List of available threshold values for acceleration event + generation. Applies to all event types on in_accel channels. + Units after application of scale and offset are m/s^2. + Expressed as: + + - a range specified as "[min step max]" + +What: /sys/.../events/in_accel_period_available +KernelVersion: 6.18 +Contact: linux-iio@vger.kernel.org +Description: + List of available periods for accelerometer event detection in + seconds, expressed as: + + - a range specified as "[min step max]" diff --git a/Documentation/ABI/testing/sysfs-class-usb_power_delivery b/Documentation/ABI/testing/sysfs-class-usb_power_delivery index 61d233c320ea..c754458a527e 100644 --- a/Documentation/ABI/testing/sysfs-class-usb_power_delivery +++ b/Documentation/ABI/testing/sysfs-class-usb_power_delivery @@ -254,3 +254,31 @@ Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com> Description: The PPS Power Limited bit indicates whether or not the source supply will exceed the rated output power if requested. + +Standard Power Range (SPR) Adjustable Voltage Supplies + +What: /sys/class/usb_power_delivery/.../<capability>/<position>:spr_adjustable_voltage_supply +Date: Oct 2025 +Contact: Badhri Jagan Sridharan <badhri@google.com> +Description: + Adjustable Voltage Supply (AVS) Augmented PDO (APDO). + +What: /sys/class/usb_power_delivery/.../<capability>/<position>:spr_adjustable_voltage_supply/maximum_current_9V_to_15V +Date: Oct 2025 +Contact: Badhri Jagan Sridharan <badhri@google.com> +Description: + Maximum Current for 9V to 15V range in milliamperes. + +What: /sys/class/usb_power_delivery/.../<capability>/<position>:spr_adjustable_voltage_supply/maximum_current_15V_to_20V +Date: Oct 2025 +Contact: Badhri Jagan Sridharan <badhri@google.com> +Description: + Maximum Current for greater than 15V till 20V range in + milliamperes. + +What: /sys/class/usb_power_delivery/.../<capability>/<position>:spr_adjustable_voltage_supply/peak_current +Date: Oct 2025 +Contact: Badhri Jagan Sridharan <badhri@google.com> +Description: + This file shows the value of the Adjustable Voltage Supply Peak Current + Capability field. diff --git a/Documentation/ABI/testing/sysfs-driver-uio_pci_sva-pasid b/Documentation/ABI/testing/sysfs-driver-uio_pci_sva-pasid new file mode 100644 index 000000000000..6892fe46cea8 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-driver-uio_pci_sva-pasid @@ -0,0 +1,29 @@ +What: /sys/bus/pci/drivers/uio_pci_sva/<pci_dev>/pasid +Date: September 2025 +Contact: Yaxing Guo <guoyaxing@bosc.ac.cn> +Description: + Process Address Space ID (PASID) assigned by IOMMU driver to + the device for use with Shared Virtual Addressing (SVA). + + This read-only attribute exposes the PASID (A 20-bit identifier + used in PCIe Address Translation Services and iommu table walks) + allocated by the IOMMU driver during sva device binding. + + User-space UIO applications must read this attribute to obtain + the PASID and program it into the device's configuration registers. + This enables the device to perform DMA using user-space virtual + address, with address translation handled by IOMMU. + + UIO User-space applications must: + - Opening device and Mapping the device's register space via /dev/uioX + (This triggers the IOMMU driver to allocate the PASID) + - Reading the PASID from sysfs + - Writing the PASID to a device-specific register (with example offset) + The code may be like: + + map = mmap(..., "/dev/uio0", ...); + + f = fopen("/sys/.../pasid", "r"); + fscanf(f, "%d", &pasid); + + map[REG_PASID_OFFSET] = pasid; |