[PATCH v8 4/5] docs: ABI: Add sysfs documentation interface of dw-xdata-pcie driver
From: Gustavo Pimentel <hidden>
Date: 2021-03-29 09:52:42
Also in:
linux-pci, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
This patch describes the sysfs interface implemented on the dw-xdata-pcie driver. Signed-off-by: Gustavo Pimentel <redacted> --- 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..66af19a
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-driver-xdata@@ -0,0 +1,46 @@ +What: /sys/class/misc/drivers/dw-xdata-pcie.<device>/write +Date: April 2021 +KernelVersion: 5.13 +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.<device>/write + + 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.<device>/write + 204 + + The file is read and write. + +What: /sys/class/misc/dw-xdata-pcie.<device>/read +Date: April 2021 +KernelVersion: 5.13 +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.<device>/read + + 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.<device>/read + 199 + + The file is read and write. + +What: /sys/class/misc/dw-xdata-pcie.<device>/stop +Date: April 2021 +KernelVersion: 5.13 +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.<device>/stop + + The file is write only.
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2.7.4