18c2ecf20Sopenharmony_ciWhat:           /sys/devices/pciXXXX:XX/0000:XX:XX.X/dma/dma<n>chan<n>/quickdata/cap
28c2ecf20Sopenharmony_ciDate:           December 3, 2009
38c2ecf20Sopenharmony_ciKernelVersion:  2.6.32
48c2ecf20Sopenharmony_ciContact:        dmaengine@vger.kernel.org
58c2ecf20Sopenharmony_ciDescription:	Capabilities the DMA supports.Currently there are DMA_PQ, DMA_PQ_VAL,
68c2ecf20Sopenharmony_ci		DMA_XOR,DMA_XOR_VAL,DMA_INTERRUPT.
78c2ecf20Sopenharmony_ci
88c2ecf20Sopenharmony_ciWhat:           /sys/devices/pciXXXX:XX/0000:XX:XX.X/dma/dma<n>chan<n>/quickdata/ring_active
98c2ecf20Sopenharmony_ciDate:           December 3, 2009
108c2ecf20Sopenharmony_ciKernelVersion:  2.6.32
118c2ecf20Sopenharmony_ciContact:        dmaengine@vger.kernel.org
128c2ecf20Sopenharmony_ciDescription:	The number of descriptors active in the ring.
138c2ecf20Sopenharmony_ci
148c2ecf20Sopenharmony_ciWhat:           /sys/devices/pciXXXX:XX/0000:XX:XX.X/dma/dma<n>chan<n>/quickdata/ring_size
158c2ecf20Sopenharmony_ciDate:           December 3, 2009
168c2ecf20Sopenharmony_ciKernelVersion:  2.6.32
178c2ecf20Sopenharmony_ciContact:        dmaengine@vger.kernel.org
188c2ecf20Sopenharmony_ciDescription:	Descriptor ring size, total number of descriptors available.
198c2ecf20Sopenharmony_ci
208c2ecf20Sopenharmony_ciWhat:           /sys/devices/pciXXXX:XX/0000:XX:XX.X/dma/dma<n>chan<n>/quickdata/version
218c2ecf20Sopenharmony_ciDate:           December 3, 2009
228c2ecf20Sopenharmony_ciKernelVersion:  2.6.32
238c2ecf20Sopenharmony_ciContact:        dmaengine@vger.kernel.org
248c2ecf20Sopenharmony_ciDescription:	Version of ioatdma device.
258c2ecf20Sopenharmony_ci
268c2ecf20Sopenharmony_ciWhat:           /sys/devices/pciXXXX:XX/0000:XX:XX.X/dma/dma<n>chan<n>/quickdata/intr_coalesce
278c2ecf20Sopenharmony_ciDate:           August 8, 2017
288c2ecf20Sopenharmony_ciKernelVersion:  4.14
298c2ecf20Sopenharmony_ciContact:        dmaengine@vger.kernel.org
308c2ecf20Sopenharmony_ciDescription:	Tune-able interrupt delay value per channel basis.
31