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@xxxxxxxxxxxx> > --- > 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@xxxxxxxxxxxx> > +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@xxxxxxxxxxxx> > +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@xxxxxxxxxxxx> > +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?
