Merge branch 'for-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
[sfrench/cifs-2.6.git] / Documentation / ABI / testing / sysfs-platform-dfl-port
1 What:           /sys/bus/platform/devices/dfl-port.0/id
2 Date:           June 2018
3 KernelVersion:  4.19
4 Contact:        Wu Hao <hao.wu@intel.com>
5 Description:    Read-only. It returns id of this port. One DFL FPGA device
6                 may have more than one port. Userspace could use this id to
7                 distinguish different ports under same FPGA device.
8
9 What:           /sys/bus/platform/devices/dfl-port.0/afu_id
10 Date:           June 2018
11 KernelVersion:  4.19
12 Contact:        Wu Hao <hao.wu@intel.com>
13 Description:    Read-only. User can program different PR bitstreams to FPGA
14                 Accelerator Function Unit (AFU) for different functions. It
15                 returns uuid which could be used to identify which PR bitstream
16                 is programmed in this AFU.