On 08/08/2017 05:38 PM, Singh, Ujjal wrote: > ABI document added to describe all sysfs variables > for dma > > > Signed-off-by: Ujjal Singh <ujjal.singh@xxxxxxxxx> Acked-by: Dave Jiang <dave.jiang@xxxxxxxxx> > --- > Documentation/ABI/stable/sysfs-driver-dma-ioatdma | 31 +++++++++++++++++++++ > 1 file changed, 31 insertions(+) > create mode 100644 Documentation/ABI/stable/sysfs-driver-dma-ioatdma > > diff --git a/Documentation/ABI/stable/sysfs-driver-dma-ioatdma b/Documentation/ABI/stable/sysfs-driver-dma-ioatdma > new file mode 100644 > index 0000000..e147d2c > --- /dev/null > +++ b/Documentation/ABI/stable/sysfs-driver-dma-ioatdma > @@ -0,0 +1,31 @@ > +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: dmaengine@xxxxxxxxxxxxxxx > +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: dmaengine@xxxxxxxxxxxxxxx > +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: dmaengine@xxxxxxxxxxxxxxx > +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: dmaengine@xxxxxxxxxxxxxxx > +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: dmaengine@xxxxxxxxxxxxxxx > +Description: Tune-able interrupt delay value per channel basis. > + > -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
