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OpenCloudOS-Kernel/Documentation/ABI/stable/sysfs-driver-dma-ioatdma

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docs: ABI: sysfs-driver-dma-ioatdma: what starts with /sys This is the only file where the /sys doesn't start with a /. So, rename them to: sys -> /sys Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/f4c53fff9696a61ff0e144fee237a9527982626d.1604312590.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-02 18:32:12 +08:00
What: /sys/devices/pciXXXX:XX/0000:XX:XX.X/dma/dma<n>chan<n>/quickdata/cap
dmaengine: ioatdma: Add ABI document ABI document added to describe all sysfs variables for dma Signed-off-by: Ujjal Singh <ujjal.singh@intel.com> Acked-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2017-08-09 08:38:51 +08:00
Date: December 3, 2009
KernelVersion: 2.6.32
Contact: dmaengine@vger.kernel.org
Description: Capabilities the DMA supports.Currently there are DMA_PQ, DMA_PQ_VAL,
DMA_XOR,DMA_XOR_VAL,DMA_INTERRUPT.
docs: ABI: sysfs-driver-dma-ioatdma: what starts with /sys This is the only file where the /sys doesn't start with a /. So, rename them to: sys -> /sys Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/f4c53fff9696a61ff0e144fee237a9527982626d.1604312590.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-02 18:32:12 +08:00
What: /sys/devices/pciXXXX:XX/0000:XX:XX.X/dma/dma<n>chan<n>/quickdata/ring_active
dmaengine: ioatdma: Add ABI document ABI document added to describe all sysfs variables for dma Signed-off-by: Ujjal Singh <ujjal.singh@intel.com> Acked-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2017-08-09 08:38:51 +08:00
Date: December 3, 2009
KernelVersion: 2.6.32
Contact: dmaengine@vger.kernel.org
Description: The number of descriptors active in the ring.
docs: ABI: sysfs-driver-dma-ioatdma: what starts with /sys This is the only file where the /sys doesn't start with a /. So, rename them to: sys -> /sys Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/f4c53fff9696a61ff0e144fee237a9527982626d.1604312590.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-02 18:32:12 +08:00
What: /sys/devices/pciXXXX:XX/0000:XX:XX.X/dma/dma<n>chan<n>/quickdata/ring_size
dmaengine: ioatdma: Add ABI document ABI document added to describe all sysfs variables for dma Signed-off-by: Ujjal Singh <ujjal.singh@intel.com> Acked-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2017-08-09 08:38:51 +08:00
Date: December 3, 2009
KernelVersion: 2.6.32
Contact: dmaengine@vger.kernel.org
Description: Descriptor ring size, total number of descriptors available.
docs: ABI: sysfs-driver-dma-ioatdma: what starts with /sys This is the only file where the /sys doesn't start with a /. So, rename them to: sys -> /sys Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/f4c53fff9696a61ff0e144fee237a9527982626d.1604312590.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-02 18:32:12 +08:00
What: /sys/devices/pciXXXX:XX/0000:XX:XX.X/dma/dma<n>chan<n>/quickdata/version
dmaengine: ioatdma: Add ABI document ABI document added to describe all sysfs variables for dma Signed-off-by: Ujjal Singh <ujjal.singh@intel.com> Acked-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2017-08-09 08:38:51 +08:00
Date: December 3, 2009
KernelVersion: 2.6.32
Contact: dmaengine@vger.kernel.org
Description: Version of ioatdma device.
docs: ABI: sysfs-driver-dma-ioatdma: what starts with /sys This is the only file where the /sys doesn't start with a /. So, rename them to: sys -> /sys Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/f4c53fff9696a61ff0e144fee237a9527982626d.1604312590.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-02 18:32:12 +08:00
What: /sys/devices/pciXXXX:XX/0000:XX:XX.X/dma/dma<n>chan<n>/quickdata/intr_coalesce
dmaengine: ioatdma: Add ABI document ABI document added to describe all sysfs variables for dma Signed-off-by: Ujjal Singh <ujjal.singh@intel.com> Acked-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2017-08-09 08:38:51 +08:00
Date: August 8, 2017
KernelVersion: 4.14
Contact: dmaengine@vger.kernel.org
Description: Tune-able interrupt delay value per channel basis.