1What: /sys/bus/platform/devices/dfl-fme.0/ports_num 2Date: June 2018 3KernelVersion: 4.19 4Contact: Wu Hao <hao.wu@intel.com> 5Description: Read-only. One DFL FPGA device may have more than 1 6 port/Accelerator Function Unit (AFU). It returns the 7 number of ports on the FPGA device when read it. 8 9What: /sys/bus/platform/devices/dfl-fme.0/bitstream_id 10Date: June 2018 11KernelVersion: 4.19 12Contact: Wu Hao <hao.wu@intel.com> 13Description: Read-only. It returns Bitstream (static FPGA region) 14 identifier number, which includes the detailed version 15 and other information of this static FPGA region. 16 17What: /sys/bus/platform/devices/dfl-fme.0/bitstream_metadata 18Date: June 2018 19KernelVersion: 4.19 20Contact: Wu Hao <hao.wu@intel.com> 21Description: Read-only. It returns Bitstream (static FPGA region) meta 22 data, which includes the synthesis date, seed and other 23 information of this static FPGA region. 24 25What: /sys/bus/platform/devices/dfl-fme.0/cache_size 26Date: August 2019 27KernelVersion: 5.4 28Contact: Wu Hao <hao.wu@intel.com> 29Description: Read-only. It returns cache size of this FPGA device. 30 31What: /sys/bus/platform/devices/dfl-fme.0/fabric_version 32Date: August 2019 33KernelVersion: 5.4 34Contact: Wu Hao <hao.wu@intel.com> 35Description: Read-only. It returns fabric version of this FPGA device. 36 Userspace applications need this information to select 37 best data channels per different fabric design. 38 39What: /sys/bus/platform/devices/dfl-fme.0/socket_id 40Date: August 2019 41KernelVersion: 5.4 42Contact: Wu Hao <hao.wu@intel.com> 43Description: Read-only. It returns socket_id to indicate which socket 44 this FPGA belongs to, only valid for integrated solution. 45 User only needs this information, in case standard numa node 46 can't provide correct information. 47 48What: /sys/bus/platform/devices/dfl-fme.0/errors/pcie0_errors 49Date: August 2019 50KernelVersion: 5.4 51Contact: Wu Hao <hao.wu@intel.com> 52Description: Read-Write. Read this file for errors detected on pcie0 link. 53 Write this file to clear errors logged in pcie0_errors. Write 54 fails with -EINVAL if input parsing fails or input error code 55 doesn't match. 56 57What: /sys/bus/platform/devices/dfl-fme.0/errors/pcie1_errors 58Date: August 2019 59KernelVersion: 5.4 60Contact: Wu Hao <hao.wu@intel.com> 61Description: Read-Write. Read this file for errors detected on pcie1 link. 62 Write this file to clear errors logged in pcie1_errors. Write 63 fails with -EINVAL if input parsing fails or input error code 64 doesn't match. 65 66What: /sys/bus/platform/devices/dfl-fme.0/errors/nonfatal_errors 67Date: August 2019 68KernelVersion: 5.4 69Contact: Wu Hao <hao.wu@intel.com> 70Description: Read-only. It returns non-fatal errors detected. 71 72What: /sys/bus/platform/devices/dfl-fme.0/errors/catfatal_errors 73Date: August 2019 74KernelVersion: 5.4 75Contact: Wu Hao <hao.wu@intel.com> 76Description: Read-only. It returns catastrophic and fatal errors detected. 77 78What: /sys/bus/platform/devices/dfl-fme.0/errors/inject_errors 79Date: August 2019 80KernelVersion: 5.4 81Contact: Wu Hao <hao.wu@intel.com> 82Description: Read-Write. Read this file to check errors injected. Write this 83 file to inject errors for testing purpose. Write fails with 84 -EINVAL if input parsing fails or input inject error code isn't 85 supported. 86 87What: /sys/bus/platform/devices/dfl-fme.0/errors/fme_errors 88Date: August 2019 89KernelVersion: 5.4 90Contact: Wu Hao <hao.wu@intel.com> 91Description: Read-Write. Read this file to get errors detected on FME. 92 Write this file to clear errors logged in fme_errors. Write 93 fials with -EINVAL if input parsing fails or input error code 94 doesn't match. 95 96What: /sys/bus/platform/devices/dfl-fme.0/errors/first_error 97Date: August 2019 98KernelVersion: 5.4 99Contact: Wu Hao <hao.wu@intel.com> 100Description: Read-only. Read this file to get the first error detected by 101 hardware. 102 103What: /sys/bus/platform/devices/dfl-fme.0/errors/next_error 104Date: August 2019 105KernelVersion: 5.4 106Contact: Wu Hao <hao.wu@intel.com> 107Description: Read-only. Read this file to get the second error detected by 108 hardware. 109