2020-06-15 23:54:31 +03:00
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What: /sys/bus/dsa/devices/dsa<m>/version
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2020-04-15 19:13:12 +03:00
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Date: Apr 15, 2020
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KernelVersion: 5.8.0
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Contact: dmaengine@vger.kernel.org
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Description: The hardware version number.
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2020-06-15 23:54:31 +03:00
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What: /sys/bus/dsa/devices/dsa<m>/cdev_major
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2020-01-22 02:44:11 +03:00
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Date: Oct 25, 2019
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2020-06-15 23:54:31 +03:00
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KernelVersion: 5.6.0
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2020-01-22 02:44:11 +03:00
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Contact: dmaengine@vger.kernel.org
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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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2020-06-15 23:54:31 +03:00
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What: /sys/bus/dsa/devices/dsa<m>/errors
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2020-01-22 02:44:11 +03:00
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: dmaengine@vger.kernel.org
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Description: The error information for this device.
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2020-06-15 23:54:31 +03:00
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What: /sys/bus/dsa/devices/dsa<m>/max_batch_size
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2020-01-22 02:44:11 +03:00
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: dmaengine@vger.kernel.org
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Description: The largest number of work descriptors in a batch.
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2020-06-15 23:54:31 +03:00
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What: /sys/bus/dsa/devices/dsa<m>/max_work_queues_size
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2020-01-22 02:44:11 +03:00
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: dmaengine@vger.kernel.org
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Description: The maximum work queue size supported by this device.
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2020-06-15 23:54:31 +03:00
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What: /sys/bus/dsa/devices/dsa<m>/max_engines
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2020-01-22 02:44:11 +03:00
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: dmaengine@vger.kernel.org
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Description: The maximum number of engines supported by this device.
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2020-06-15 23:54:31 +03:00
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What: /sys/bus/dsa/devices/dsa<m>/max_groups
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2020-01-22 02:44:11 +03:00
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: dmaengine@vger.kernel.org
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Description: The maximum number of groups can be created under this device.
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2020-06-15 23:54:31 +03:00
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What: /sys/bus/dsa/devices/dsa<m>/max_tokens
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2020-01-22 02:44:11 +03:00
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: dmaengine@vger.kernel.org
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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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2020-06-15 23:54:31 +03:00
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What: /sys/bus/dsa/devices/dsa<m>/max_transfer_size
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2020-01-22 02:44:11 +03:00
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: dmaengine@vger.kernel.org
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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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2020-06-15 23:54:31 +03:00
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What: /sys/bus/dsa/devices/dsa<m>/max_work_queues
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2020-01-22 02:44:11 +03:00
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: dmaengine@vger.kernel.org
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Description: The maximum work queue number that this device supports.
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2020-06-15 23:54:31 +03:00
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What: /sys/bus/dsa/devices/dsa<m>/numa_node
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2020-01-22 02:44:11 +03:00
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: dmaengine@vger.kernel.org
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Description: The numa node number for this device.
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2020-06-15 23:54:31 +03:00
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What: /sys/bus/dsa/devices/dsa<m>/op_cap
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2020-01-22 02:44:11 +03:00
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: dmaengine@vger.kernel.org
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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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2020-10-27 20:34:46 +03:00
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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: dmaengine@vger.kernel.org
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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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2020-06-15 23:54:31 +03:00
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What: /sys/bus/dsa/devices/dsa<m>/state
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2020-01-22 02:44:11 +03:00
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: dmaengine@vger.kernel.org
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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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2020-06-15 23:54:31 +03:00
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What: /sys/bus/dsa/devices/dsa<m>/group<m>.<n>
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2020-01-22 02:44:11 +03:00
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: dmaengine@vger.kernel.org
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Description: The assigned group under this device.
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2020-06-15 23:54:31 +03:00
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What: /sys/bus/dsa/devices/dsa<m>/engine<m>.<n>
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2020-01-22 02:44:11 +03:00
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: dmaengine@vger.kernel.org
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Description: The assigned engine under this device.
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2020-06-15 23:54:31 +03:00
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What: /sys/bus/dsa/devices/dsa<m>/wq<m>.<n>
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2020-01-22 02:44:11 +03:00
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: dmaengine@vger.kernel.org
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Description: The assigned work queue under this device.
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2020-06-15 23:54:31 +03:00
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What: /sys/bus/dsa/devices/dsa<m>/configurable
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2020-01-22 02:44:11 +03:00
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: dmaengine@vger.kernel.org
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Description: To indicate if this device is configurable or not.
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2020-06-15 23:54:31 +03:00
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What: /sys/bus/dsa/devices/dsa<m>/token_limit
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2020-01-22 02:44:11 +03:00
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: dmaengine@vger.kernel.org
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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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2020-08-29 01:13:55 +03:00
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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: dmaengine@vger.kernel.org
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Description: The last executed device administrative command's status/error.
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2021-07-20 23:42:15 +03:00
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Also last configuration error overloaded.
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Writing to it will clear the status.
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2020-08-29 01:13:55 +03:00
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2020-10-27 20:34:46 +03:00
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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: dmaengine@vger.kernel.org
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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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2020-06-15 23:54:31 +03:00
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What: /sys/bus/dsa/devices/wq<m>.<n>/group_id
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2020-01-22 02:44:11 +03:00
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: dmaengine@vger.kernel.org
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Description: The group id that this work queue belongs to.
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2020-06-15 23:54:31 +03:00
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What: /sys/bus/dsa/devices/wq<m>.<n>/size
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2020-01-22 02:44:11 +03:00
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: dmaengine@vger.kernel.org
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Description: The work queue size for this work queue.
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2020-06-15 23:54:31 +03:00
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What: /sys/bus/dsa/devices/wq<m>.<n>/type
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2020-01-22 02:44:11 +03:00
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: dmaengine@vger.kernel.org
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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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2020-06-15 23:54:31 +03:00
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What: /sys/bus/dsa/devices/wq<m>.<n>/cdev_minor
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2020-01-22 02:44:11 +03:00
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: dmaengine@vger.kernel.org
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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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2020-06-15 23:54:31 +03:00
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What: /sys/bus/dsa/devices/wq<m>.<n>/mode
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2020-01-22 02:44:11 +03:00
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: dmaengine@vger.kernel.org
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Description: The work queue mode type for this work queue.
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2020-06-15 23:54:31 +03:00
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What: /sys/bus/dsa/devices/wq<m>.<n>/priority
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2020-01-22 02:44:11 +03:00
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: dmaengine@vger.kernel.org
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docs: typo fixes in Documentation/ABI/
Fix the following typos in the Documentation/ABI/ directory:
- In file obsolete/sysfs-cpuidle, change "obselete" for "obsolete".
- In file removed/sysfs-kernel-uids, change "propotional" for "proportional".
- In directory stable/, fix the following words: "associtated" for "associated",
"hexidecimal" for "hexadecimal", "vlue" for "value", "csed" for "caused" and
"wrtie" for "write". This updates a total of five files.
- In directory testing/, fix the following words: "subystem" for "subsystem",
"isochrnous" for "isochronous", "Desctiptors" for "Descriptors", "picutre" for
"picture", "capture" for "capture", "occured" for "ocurred", "connnected" for
"connected","agressively" for "aggressively","manufacturee" for "manufacturer"
and "transaction" for "transaction", "malformatted" for "incorrectly formated"
,"internel" for "internal", "writtento" for "written to", "specificed" for
"specified", "beyound" for "beyond", "Symetric" for "Symmetric". This updates
a total of eleven files.
Signed-off-by: Carlos Bilbao <bilbao@vt.edu>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/5710038.lOV4Wx5bFT@iron-maiden
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-13 16:31:10 +03:00
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Description: The priority value of this work queue, it is a value relative to
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2020-01-22 02:44:11 +03:00
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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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2020-06-15 23:54:31 +03:00
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What: /sys/bus/dsa/devices/wq<m>.<n>/state
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2020-01-22 02:44:11 +03:00
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: dmaengine@vger.kernel.org
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Description: The current state of the work queue.
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2020-06-15 23:54:31 +03:00
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What: /sys/bus/dsa/devices/wq<m>.<n>/threshold
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2020-01-22 02:44:11 +03:00
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: dmaengine@vger.kernel.org
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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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2020-08-29 01:12:10 +03:00
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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: dmaengine@vger.kernel.org
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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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2020-08-29 01:12:50 +03:00
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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: dmaengine@vger.kernel.org
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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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2020-11-14 01:55:05 +03:00
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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: dmaengine@vger.kernel.org
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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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2021-06-04 00:57:35 +03:00
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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: dmaengine@vger.kernel.org
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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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2020-06-15 23:54:31 +03:00
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What: /sys/bus/dsa/devices/engine<m>.<n>/group_id
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2020-01-22 02:44:11 +03:00
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Date: Oct 25, 2019
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KernelVersion: 5.6.0
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Contact: dmaengine@vger.kernel.org
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Description: The group that this engine belongs to.
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