162306a36Sopenharmony_ciWhat:           /sys/devices/pciXXXX:XX/0000:XX:XX.X/dma/dma<n>chan<n>/quickdata/cap
262306a36Sopenharmony_ciDate:           December 3, 2009
362306a36Sopenharmony_ciKernelVersion:  2.6.32
462306a36Sopenharmony_ciContact:        dmaengine@vger.kernel.org
562306a36Sopenharmony_ciDescription:	Capabilities the DMA supports.Currently there are DMA_PQ, DMA_PQ_VAL,
662306a36Sopenharmony_ci		DMA_XOR,DMA_XOR_VAL,DMA_INTERRUPT.
762306a36Sopenharmony_ci
862306a36Sopenharmony_ciWhat:           /sys/devices/pciXXXX:XX/0000:XX:XX.X/dma/dma<n>chan<n>/quickdata/ring_active
962306a36Sopenharmony_ciDate:           December 3, 2009
1062306a36Sopenharmony_ciKernelVersion:  2.6.32
1162306a36Sopenharmony_ciContact:        dmaengine@vger.kernel.org
1262306a36Sopenharmony_ciDescription:	The number of descriptors active in the ring.
1362306a36Sopenharmony_ci
1462306a36Sopenharmony_ciWhat:           /sys/devices/pciXXXX:XX/0000:XX:XX.X/dma/dma<n>chan<n>/quickdata/ring_size
1562306a36Sopenharmony_ciDate:           December 3, 2009
1662306a36Sopenharmony_ciKernelVersion:  2.6.32
1762306a36Sopenharmony_ciContact:        dmaengine@vger.kernel.org
1862306a36Sopenharmony_ciDescription:	Descriptor ring size, total number of descriptors available.
1962306a36Sopenharmony_ci
2062306a36Sopenharmony_ciWhat:           /sys/devices/pciXXXX:XX/0000:XX:XX.X/dma/dma<n>chan<n>/quickdata/version
2162306a36Sopenharmony_ciDate:           December 3, 2009
2262306a36Sopenharmony_ciKernelVersion:  2.6.32
2362306a36Sopenharmony_ciContact:        dmaengine@vger.kernel.org
2462306a36Sopenharmony_ciDescription:	Version of ioatdma device.
2562306a36Sopenharmony_ci
2662306a36Sopenharmony_ciWhat:           /sys/devices/pciXXXX:XX/0000:XX:XX.X/dma/dma<n>chan<n>/quickdata/intr_coalesce
2762306a36Sopenharmony_ciDate:           August 8, 2017
2862306a36Sopenharmony_ciKernelVersion:  4.14
2962306a36Sopenharmony_ciContact:        dmaengine@vger.kernel.org
3062306a36Sopenharmony_ciDescription:	Tune-able interrupt delay value per channel basis.
31