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SubjectRe: [PATCH v7 5/5] docs: ABI: Add sysfs documentation interface of dw-xdata-pcie driver
On Sat, Mar 27, 2021 at 04:06:55AM +0100, Gustavo Pimentel wrote:
> This patch describes the sysfs interface implemented on the dw-xdata-pcie
> driver.
>
> Signed-off-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
> ---
> Documentation/ABI/testing/sysfs-driver-xdata | 46 ++++++++++++++++++++++++++++
> 1 file changed, 46 insertions(+)
> create mode 100644 Documentation/ABI/testing/sysfs-driver-xdata
>
> diff --git a/Documentation/ABI/testing/sysfs-driver-xdata b/Documentation/ABI/testing/sysfs-driver-xdata
> new file mode 100644
> index 00000000..cb3ab7e
> --- /dev/null
> +++ b/Documentation/ABI/testing/sysfs-driver-xdata
> @@ -0,0 +1,46 @@
> +What: /sys/class/misc/drivers/dw-xdata-pcie/write
> +Date: April 2021
> +KernelVersion: 5.12
> +Contact: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
> +Description: Allows the user to enable the PCIe traffic generator which
> + will create write TLPs frames - from the Root Complex to the
> + Endpoint direction.
> + Usage e.g.
> + echo 1 > /sys/class/misc/dw-xdata-pcie/write

That did not look like what the code was looking for at all :(


> +
> + The user can read the current PCIe link throughput generated
> + through this generator in MB/s.
> + Usage e.g.
> + cat /sys/class/misc/dw-xdata-pcie/write
> + 204
> +
> + The file is read and write.
> +
> +What: /sys/class/misc/dw-xdata-pcie/read
> +Date: April 2021
> +KernelVersion: 5.12
> +Contact: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
> +Description: Allows the user to enable the PCIe traffic generator which
> + will create read TLPs frames - from the Endpoint to the Root
> + Complex direction.
> + Usage e.g.
> + echo 1 > /sys/class/misc/dw-xdata-pcie/read

Again, did not match the code :(


> +
> + The user can read the current PCIe link throughput generated
> + through this generator in MB/s.
> + Usage e.g.
> + cat /sys/class/misc/dw-xdata-pcie/read
> + 199
> +
> + The file is read and write.
> +
> +What: /sys/class/misc/dw-xdata-pcie/stop
> +Date: April 2021
> +KernelVersion: 5.12
> +Contact: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
> +Description: Allows the user to disable the PCIe traffic generator in all
> + directions.
> + Usage e.g.
> + echo 1 > /sys/class/misc/dw-xdata-pcie/stop

Same here :(

Who tested this?

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