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- What: /sys/devices/pciXXXX:XX/0000:XX:XX.X/dma/dma<n>chan<n>/quickdata/cap
- Date: December 3, 2009
- KernelVersion: 2.6.32
- Contact: [email protected]
- Description: Capabilities the DMA supports.Currently there are DMA_PQ, DMA_PQ_VAL,
- DMA_XOR,DMA_XOR_VAL,DMA_INTERRUPT.
- What: /sys/devices/pciXXXX:XX/0000:XX:XX.X/dma/dma<n>chan<n>/quickdata/ring_active
- Date: December 3, 2009
- KernelVersion: 2.6.32
- Contact: [email protected]
- Description: The number of descriptors active in the ring.
- What: /sys/devices/pciXXXX:XX/0000:XX:XX.X/dma/dma<n>chan<n>/quickdata/ring_size
- Date: December 3, 2009
- KernelVersion: 2.6.32
- Contact: [email protected]
- Description: Descriptor ring size, total number of descriptors available.
- What: /sys/devices/pciXXXX:XX/0000:XX:XX.X/dma/dma<n>chan<n>/quickdata/version
- Date: December 3, 2009
- KernelVersion: 2.6.32
- Contact: [email protected]
- Description: Version of ioatdma device.
- What: /sys/devices/pciXXXX:XX/0000:XX:XX.X/dma/dma<n>chan<n>/quickdata/intr_coalesce
- Date: August 8, 2017
- KernelVersion: 4.14
- Contact: [email protected]
- Description: Tune-able interrupt delay value per channel basis.
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