5c7dd7acc3
repo: https://github.com/T-head-Semi/linux commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
31 lines
1.3 KiB
Plaintext
31 lines
1.3 KiB
Plaintext
What: /sys/devices/pciXXXX:XX/0000:XX:XX.X/dma/dma<n>chan<n>/quickdata/cap
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Date: December 3, 2009
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KernelVersion: 2.6.32
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Contact: dmaengine@vger.kernel.org
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Description: Capabilities the DMA supports.Currently there are DMA_PQ, DMA_PQ_VAL,
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DMA_XOR,DMA_XOR_VAL,DMA_INTERRUPT.
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What: /sys/devices/pciXXXX:XX/0000:XX:XX.X/dma/dma<n>chan<n>/quickdata/ring_active
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Date: December 3, 2009
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KernelVersion: 2.6.32
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Contact: dmaengine@vger.kernel.org
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Description: The number of descriptors active in the ring.
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What: /sys/devices/pciXXXX:XX/0000:XX:XX.X/dma/dma<n>chan<n>/quickdata/ring_size
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Date: December 3, 2009
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KernelVersion: 2.6.32
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Contact: dmaengine@vger.kernel.org
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Description: Descriptor ring size, total number of descriptors available.
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What: /sys/devices/pciXXXX:XX/0000:XX:XX.X/dma/dma<n>chan<n>/quickdata/version
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Date: December 3, 2009
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KernelVersion: 2.6.32
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Contact: dmaengine@vger.kernel.org
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Description: Version of ioatdma device.
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What: /sys/devices/pciXXXX:XX/0000:XX:XX.X/dma/dma<n>chan<n>/quickdata/intr_coalesce
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Date: August 8, 2017
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KernelVersion: 4.14
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Contact: dmaengine@vger.kernel.org
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Description: Tune-able interrupt delay value per channel basis.
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