putname(): IS_ERR_OR_NULL() is wrong here
[linux-2.6-microblaze.git] / Documentation / ABI / testing / sysfs-driver-xdata
1 What:           /sys/class/misc/drivers/dw-xdata-pcie.<device>/write
2 Date:           April 2021
3 KernelVersion:  5.13
4 Contact:        Gustavo Pimentel <gustavo.pimentel@synopsys.com>
5 Description:    Allows the user to enable the PCIe traffic generator which
6                 will create write TLPs frames - from the Root Complex to the
7                 Endpoint direction or to disable the PCIe traffic generator
8                 in all directions.
9
10                 Write y/1/on to enable, n/0/off to disable
11
12                 Usage e.g.
13                  echo 1 > /sys/class/misc/dw-xdata-pcie.<device>/write
14                 or
15                  echo 0 > /sys/class/misc/dw-xdata-pcie.<device>/write
16
17                 The user can read the current PCIe link throughput generated
18                 through this generator in MB/s.
19
20                 Usage e.g.
21                  cat /sys/class/misc/dw-xdata-pcie.<device>/write
22                  204
23
24                 The file is read and write.
25
26 What:           /sys/class/misc/dw-xdata-pcie.<device>/read
27 Date:           April 2021
28 KernelVersion:  5.13
29 Contact:        Gustavo Pimentel <gustavo.pimentel@synopsys.com>
30 Description:    Allows the user to enable the PCIe traffic generator which
31                 will create read TLPs frames - from the Endpoint to the Root
32                 Complex direction or to disable the PCIe traffic generator
33                 in all directions.
34
35                 Write y/1/on to enable, n/0/off to disable
36
37                 Usage e.g.
38                  echo 1 > /sys/class/misc/dw-xdata-pcie.<device>/read
39                 or
40                  echo 0 > /sys/class/misc/dw-xdata-pcie.<device>/read
41
42                 The user can read the current PCIe link throughput generated
43                 through this generator in MB/s.
44
45                 Usage e.g.
46                  cat /sys/class/misc/dw-xdata-pcie.<device>/read
47                  199
48
49                 The file is read and write.