docs: ABI: Add sysfs documentation interface of dw-xdata-pcie driver
This patch describes the sysfs interface implemented on the dw-xdata-pcie driver. Signed-off-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com> Link: https://lore.kernel.org/r/438c4ca9f6cc9e1cb29a65c0d2cca9a3d3f181b1.1617016509.git.gustavo.pimentel@synopsys.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Documentation/ABI/testing/sysfs-driver-xdata
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Documentation/ABI/testing/sysfs-driver-xdata
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What: /sys/class/misc/drivers/dw-xdata-pcie.<device>/write
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Date: April 2021
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KernelVersion: 5.13
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Contact: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
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Description: Allows the user to enable the PCIe traffic generator which
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will create write TLPs frames - from the Root Complex to the
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Endpoint direction or to disable the PCIe traffic generator
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in all directions.
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Write y/1/on to enable, n/0/off to disable
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Usage e.g.
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echo 1 > /sys/class/misc/dw-xdata-pcie.<device>/write
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or
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echo 0 > /sys/class/misc/dw-xdata-pcie.<device>/write
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The user can read the current PCIe link throughput generated
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through this generator in MB/s.
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Usage e.g.
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cat /sys/class/misc/dw-xdata-pcie.<device>/write
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204
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The file is read and write.
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What: /sys/class/misc/dw-xdata-pcie.<device>/read
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Date: April 2021
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KernelVersion: 5.13
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Contact: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
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Description: Allows the user to enable the PCIe traffic generator which
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will create read TLPs frames - from the Endpoint to the Root
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Complex direction or to disable the PCIe traffic generator
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in all directions.
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Write y/1/on to enable, n/0/off to disable
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Usage e.g.
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echo 1 > /sys/class/misc/dw-xdata-pcie.<device>/read
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or
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echo 0 > /sys/class/misc/dw-xdata-pcie.<device>/read
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The user can read the current PCIe link throughput generated
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through this generator in MB/s.
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Usage e.g.
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cat /sys/class/misc/dw-xdata-pcie.<device>/read
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199
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The file is read and write.
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