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
> ---
> 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 ..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
> +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
> +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
> +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?
