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228 lines
8.1 KiB
228 lines
8.1 KiB
3 years ago
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What: /sys/bus/dsa/devices/dsa<m>/version
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Date: Apr 15, 2020
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KernelVersion: 5.8.0
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Contact: [email protected]
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Description: The hardware version number.
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What: /sys/bus/dsa/devices/dsa<m>/cdev_major
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: [email protected]
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Description: The major number that the character device driver assigned to
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this device.
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What: /sys/bus/dsa/devices/dsa<m>/errors
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: [email protected]
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Description: The error information for this device.
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What: /sys/bus/dsa/devices/dsa<m>/max_batch_size
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: [email protected]
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Description: The largest number of work descriptors in a batch.
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What: /sys/bus/dsa/devices/dsa<m>/max_work_queues_size
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: [email protected]
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Description: The maximum work queue size supported by this device.
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What: /sys/bus/dsa/devices/dsa<m>/max_engines
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: [email protected]
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Description: The maximum number of engines supported by this device.
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What: /sys/bus/dsa/devices/dsa<m>/max_groups
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: [email protected]
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Description: The maximum number of groups can be created under this device.
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What: /sys/bus/dsa/devices/dsa<m>/max_tokens
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: [email protected]
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Description: The total number of bandwidth tokens supported by this device.
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The bandwidth tokens represent resources within the DSA
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implementation, and these resources are allocated by engines to
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support operations.
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What: /sys/bus/dsa/devices/dsa<m>/max_transfer_size
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: [email protected]
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Description: The number of bytes to be read from the source address to
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perform the operation. The maximum transfer size is dependent on
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the workqueue the descriptor was submitted to.
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What: /sys/bus/dsa/devices/dsa<m>/max_work_queues
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: [email protected]
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Description: The maximum work queue number that this device supports.
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What: /sys/bus/dsa/devices/dsa<m>/numa_node
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: [email protected]
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Description: The numa node number for this device.
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What: /sys/bus/dsa/devices/dsa<m>/op_cap
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: [email protected]
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Description: The operation capability bit mask specify the operation types
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supported by the this device.
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What: /sys/bus/dsa/devices/dsa<m>/pasid_enabled
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Date: Oct 27, 2020
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KernelVersion: 5.11.0
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Contact: [email protected]
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Description: To indicate if PASID (process address space identifier) is
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enabled or not for this device.
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What: /sys/bus/dsa/devices/dsa<m>/state
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: [email protected]
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Description: The state information of this device. It can be either enabled
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or disabled.
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What: /sys/bus/dsa/devices/dsa<m>/group<m>.<n>
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: [email protected]
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Description: The assigned group under this device.
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What: /sys/bus/dsa/devices/dsa<m>/engine<m>.<n>
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: [email protected]
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Description: The assigned engine under this device.
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What: /sys/bus/dsa/devices/dsa<m>/wq<m>.<n>
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: [email protected]
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Description: The assigned work queue under this device.
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What: /sys/bus/dsa/devices/dsa<m>/configurable
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: [email protected]
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Description: To indicate if this device is configurable or not.
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What: /sys/bus/dsa/devices/dsa<m>/token_limit
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: [email protected]
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Description: The maximum number of bandwidth tokens that may be in use at
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one time by operations that access low bandwidth memory in the
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device.
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What: /sys/bus/dsa/devices/dsa<m>/cmd_status
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Date: Aug 28, 2020
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KernelVersion: 5.10.0
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Contact: [email protected]
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Description: The last executed device administrative command's status/error.
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3 years ago
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Also last configuration error overloaded.
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Writing to it will clear the status.
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3 years ago
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What: /sys/bus/dsa/devices/wq<m>.<n>/block_on_fault
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Date: Oct 27, 2020
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KernelVersion: 5.11.0
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Contact: [email protected]
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Description: To indicate block on fault is allowed or not for the work queue
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to support on demand paging.
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What: /sys/bus/dsa/devices/wq<m>.<n>/group_id
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: [email protected]
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Description: The group id that this work queue belongs to.
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What: /sys/bus/dsa/devices/wq<m>.<n>/size
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: [email protected]
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Description: The work queue size for this work queue.
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What: /sys/bus/dsa/devices/wq<m>.<n>/type
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: [email protected]
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Description: The type of this work queue, it can be "kernel" type for work
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queue usages in the kernel space or "user" type for work queue
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usages by applications in user space.
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What: /sys/bus/dsa/devices/wq<m>.<n>/cdev_minor
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: [email protected]
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Description: The minor number assigned to this work queue by the character
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device driver.
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What: /sys/bus/dsa/devices/wq<m>.<n>/mode
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: [email protected]
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Description: The work queue mode type for this work queue.
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What: /sys/bus/dsa/devices/wq<m>.<n>/priority
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: [email protected]
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3 years ago
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Description: The priority value of this work queue, it is a value relative to
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3 years ago
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other work queue in the same group to control quality of service
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for dispatching work from multiple workqueues in the same group.
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What: /sys/bus/dsa/devices/wq<m>.<n>/state
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: [email protected]
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Description: The current state of the work queue.
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What: /sys/bus/dsa/devices/wq<m>.<n>/threshold
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: [email protected]
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Description: The number of entries in this work queue that may be filled
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via a limited portal.
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What: /sys/bus/dsa/devices/wq<m>.<n>/max_transfer_size
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Date: Aug 28, 2020
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KernelVersion: 5.10.0
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Contact: [email protected]
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Description: The max transfer sized for this workqueue. Cannot exceed device
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max transfer size. Configurable parameter.
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What: /sys/bus/dsa/devices/wq<m>.<n>/max_batch_size
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Date: Aug 28, 2020
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KernelVersion: 5.10.0
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Contact: [email protected]
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Description: The max batch size for this workqueue. Cannot exceed device
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max batch size. Configurable parameter.
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What: /sys/bus/dsa/devices/wq<m>.<n>/ats_disable
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Date: Nov 13, 2020
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KernelVersion: 5.11.0
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Contact: [email protected]
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Description: Indicate whether ATS disable is turned on for the workqueue.
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0 indicates ATS is on, and 1 indicates ATS is off for the workqueue.
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3 years ago
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What: /sys/bus/dsa/devices/wq<m>.<n>/occupancy
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Date May 25, 2021
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KernelVersion: 5.14.0
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Contact: [email protected]
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Description: Show the current number of entries in this WQ if WQ Occupancy
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Support bit WQ capabilities is 1.
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3 years ago
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What: /sys/bus/dsa/devices/engine<m>.<n>/group_id
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: [email protected]
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Description: The group that this engine belongs to.
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