| Ujjal Singh | 2e44200 | 2017-08-08 20:38:51 -0400 | [diff] [blame] | 1 | What: sys/devices/pciXXXX:XX/0000:XX:XX.X/dma/dma<n>chan<n>/quickdata/cap |
| 2 | Date: December 3, 2009 |
| 3 | KernelVersion: 2.6.32 |
| 4 | Contact: dmaengine@vger.kernel.org |
| 5 | Description: Capabilities the DMA supports.Currently there are DMA_PQ, DMA_PQ_VAL, |
| 6 | DMA_XOR,DMA_XOR_VAL,DMA_INTERRUPT. |
| 7 | |
| 8 | What: sys/devices/pciXXXX:XX/0000:XX:XX.X/dma/dma<n>chan<n>/quickdata/ring_active |
| 9 | Date: December 3, 2009 |
| 10 | KernelVersion: 2.6.32 |
| 11 | Contact: dmaengine@vger.kernel.org |
| 12 | Description: The number of descriptors active in the ring. |
| 13 | |
| 14 | What: sys/devices/pciXXXX:XX/0000:XX:XX.X/dma/dma<n>chan<n>/quickdata/ring_size |
| 15 | Date: December 3, 2009 |
| 16 | KernelVersion: 2.6.32 |
| 17 | Contact: dmaengine@vger.kernel.org |
| 18 | Description: Descriptor ring size, total number of descriptors available. |
| 19 | |
| 20 | What: sys/devices/pciXXXX:XX/0000:XX:XX.X/dma/dma<n>chan<n>/quickdata/version |
| 21 | Date: December 3, 2009 |
| 22 | KernelVersion: 2.6.32 |
| 23 | Contact: dmaengine@vger.kernel.org |
| 24 | Description: Version of ioatdma device. |
| 25 | |
| 26 | What: sys/devices/pciXXXX:XX/0000:XX:XX.X/dma/dma<n>chan<n>/quickdata/intr_coalesce |
| 27 | Date: August 8, 2017 |
| 28 | KernelVersion: 4.14 |
| 29 | Contact: dmaengine@vger.kernel.org |
| 30 | Description: Tune-able interrupt delay value per channel basis. |