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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 | What: /sys/bus/platform/devices/dfl-fme.0/ports_num Date: June 2018 KernelVersion: 4.19 Contact: Wu Hao <hao.wu@intel.com> Description: Read-only. One DFL FPGA device may have more than 1 port/Accelerator Function Unit (AFU). It returns the number of ports on the FPGA device when read it. What: /sys/bus/platform/devices/dfl-fme.0/bitstream_id Date: June 2018 KernelVersion: 4.19 Contact: Wu Hao <hao.wu@intel.com> Description: Read-only. It returns Bitstream (static FPGA region) identifier number, which includes the detailed version and other information of this static FPGA region. What: /sys/bus/platform/devices/dfl-fme.0/bitstream_metadata Date: June 2018 KernelVersion: 4.19 Contact: Wu Hao <hao.wu@intel.com> Description: Read-only. It returns Bitstream (static FPGA region) meta data, which includes the synthesis date, seed and other information of this static FPGA region. What: /sys/bus/platform/devices/dfl-fme.0/cache_size Date: August 2019 KernelVersion: 5.4 Contact: Wu Hao <hao.wu@intel.com> Description: Read-only. It returns cache size of this FPGA device. What: /sys/bus/platform/devices/dfl-fme.0/fabric_version Date: August 2019 KernelVersion: 5.4 Contact: Wu Hao <hao.wu@intel.com> Description: Read-only. It returns fabric version of this FPGA device. Userspace applications need this information to select best data channels per different fabric design. What: /sys/bus/platform/devices/dfl-fme.0/socket_id Date: August 2019 KernelVersion: 5.4 Contact: Wu Hao <hao.wu@intel.com> Description: Read-only. It returns socket_id to indicate which socket this FPGA belongs to, only valid for integrated solution. User only needs this information, in case standard numa node can't provide correct information. What: /sys/bus/platform/devices/dfl-fme.0/errors/pcie0_errors Date: August 2019 KernelVersion: 5.4 Contact: Wu Hao <hao.wu@intel.com> Description: Read-Write. Read this file for errors detected on pcie0 link. Write this file to clear errors logged in pcie0_errors. Write fails with -EINVAL if input parsing fails or input error code doesn't match. What: /sys/bus/platform/devices/dfl-fme.0/errors/pcie1_errors Date: August 2019 KernelVersion: 5.4 Contact: Wu Hao <hao.wu@intel.com> Description: Read-Write. Read this file for errors detected on pcie1 link. Write this file to clear errors logged in pcie1_errors. Write fails with -EINVAL if input parsing fails or input error code doesn't match. What: /sys/bus/platform/devices/dfl-fme.0/errors/nonfatal_errors Date: August 2019 KernelVersion: 5.4 Contact: Wu Hao <hao.wu@intel.com> Description: Read-only. It returns non-fatal errors detected. What: /sys/bus/platform/devices/dfl-fme.0/errors/catfatal_errors Date: August 2019 KernelVersion: 5.4 Contact: Wu Hao <hao.wu@intel.com> Description: Read-only. It returns catastrophic and fatal errors detected. What: /sys/bus/platform/devices/dfl-fme.0/errors/inject_errors Date: August 2019 KernelVersion: 5.4 Contact: Wu Hao <hao.wu@intel.com> Description: Read-Write. Read this file to check errors injected. Write this file to inject errors for testing purpose. Write fails with -EINVAL if input parsing fails or input inject error code isn't supported. What: /sys/bus/platform/devices/dfl-fme.0/errors/fme_errors Date: August 2019 KernelVersion: 5.4 Contact: Wu Hao <hao.wu@intel.com> Description: Read-Write. Read this file to get errors detected on FME. Write this file to clear errors logged in fme_errors. Write fials with -EINVAL if input parsing fails or input error code doesn't match. What: /sys/bus/platform/devices/dfl-fme.0/errors/first_error Date: August 2019 KernelVersion: 5.4 Contact: Wu Hao <hao.wu@intel.com> Description: Read-only. Read this file to get the first error detected by hardware. What: /sys/bus/platform/devices/dfl-fme.0/errors/next_error Date: August 2019 KernelVersion: 5.4 Contact: Wu Hao <hao.wu@intel.com> Description: Read-only. Read this file to get the second error detected by hardware. What: /sys/bus/platform/devices/dfl-fme.0/hwmon/hwmonX/name Date: October 2019 KernelVersion: 5.5 Contact: Wu Hao <hao.wu@intel.com> Description: Read-Only. Read this file to get the name of hwmon device, it supports values: ================= ========================= 'dfl_fme_thermal' thermal hwmon device name 'dfl_fme_power' power hwmon device name ================= ========================= What: /sys/bus/platform/devices/dfl-fme.0/hwmon/hwmonX/temp1_input Date: October 2019 KernelVersion: 5.5 Contact: Wu Hao <hao.wu@intel.com> Description: Read-Only. It returns FPGA device temperature in millidegrees Celsius. What: /sys/bus/platform/devices/dfl-fme.0/hwmon/hwmonX/temp1_max Date: October 2019 KernelVersion: 5.5 Contact: Wu Hao <hao.wu@intel.com> Description: Read-Only. It returns hardware threshold1 temperature in millidegrees Celsius. If temperature rises at or above this threshold, hardware starts 50% or 90% throttling (see 'temp1_max_policy'). What: /sys/bus/platform/devices/dfl-fme.0/hwmon/hwmonX/temp1_crit Date: October 2019 KernelVersion: 5.5 Contact: Wu Hao <hao.wu@intel.com> Description: Read-Only. It returns hardware threshold2 temperature in millidegrees Celsius. If temperature rises at or above this threshold, hardware starts 100% throttling. What: /sys/bus/platform/devices/dfl-fme.0/hwmon/hwmonX/temp1_emergency Date: October 2019 KernelVersion: 5.5 Contact: Wu Hao <hao.wu@intel.com> Description: Read-Only. It returns hardware trip threshold temperature in millidegrees Celsius. If temperature rises at or above this threshold, a fatal event will be triggered to board management controller (BMC) to shutdown FPGA. What: /sys/bus/platform/devices/dfl-fme.0/hwmon/hwmonX/temp1_max_alarm Date: October 2019 KernelVersion: 5.5 Contact: Wu Hao <hao.wu@intel.com> Description: Read-only. It returns 1 if temperature is currently at or above hardware threshold1 (see 'temp1_max'), otherwise 0. What: /sys/bus/platform/devices/dfl-fme.0/hwmon/hwmonX/temp1_crit_alarm Date: October 2019 KernelVersion: 5.5 Contact: Wu Hao <hao.wu@intel.com> Description: Read-only. It returns 1 if temperature is currently at or above hardware threshold2 (see 'temp1_crit'), otherwise 0. What: /sys/bus/platform/devices/dfl-fme.0/hwmon/hwmonX/temp1_max_policy Date: October 2019 KernelVersion: 5.5 Contact: Wu Hao <hao.wu@intel.com> Description: Read-Only. Read this file to get the policy of hardware threshold1 (see 'temp1_max'). It only supports two values (policies): == ========================== 0 AP2 state (90% throttling) 1 AP1 state (50% throttling) == ========================== What: /sys/bus/platform/devices/dfl-fme.0/hwmon/hwmonX/power1_input Date: October 2019 KernelVersion: 5.5 Contact: Wu Hao <hao.wu@intel.com> Description: Read-Only. It returns current FPGA power consumption in uW. What: /sys/bus/platform/devices/dfl-fme.0/hwmon/hwmonX/power1_max Date: October 2019 KernelVersion: 5.5 Contact: Wu Hao <hao.wu@intel.com> Description: Read-Write. Read this file to get current hardware power threshold1 in uW. If power consumption rises at or above this threshold, hardware starts 50% throttling. Write this file to set current hardware power threshold1 in uW. As hardware only accepts values in Watts, so input value will be round down per Watts (< 1 watts part will be discarded) and clamped within the range from 0 to 127 Watts. Write fails with -EINVAL if input parsing fails. What: /sys/bus/platform/devices/dfl-fme.0/hwmon/hwmonX/power1_crit Date: October 2019 KernelVersion: 5.5 Contact: Wu Hao <hao.wu@intel.com> Description: Read-Write. Read this file to get current hardware power threshold2 in uW. If power consumption rises at or above this threshold, hardware starts 90% throttling. Write this file to set current hardware power threshold2 in uW. As hardware only accepts values in Watts, so input value will be round down per Watts (< 1 watts part will be discarded) and clamped within the range from 0 to 127 Watts. Write fails with -EINVAL if input parsing fails. What: /sys/bus/platform/devices/dfl-fme.0/hwmon/hwmonX/power1_max_alarm Date: October 2019 KernelVersion: 5.5 Contact: Wu Hao <hao.wu@intel.com> Description: Read-only. It returns 1 if power consumption is currently at or above hardware threshold1 (see 'power1_max'), otherwise 0. What: /sys/bus/platform/devices/dfl-fme.0/hwmon/hwmonX/power1_crit_alarm Date: October 2019 KernelVersion: 5.5 Contact: Wu Hao <hao.wu@intel.com> Description: Read-only. It returns 1 if power consumption is currently at or above hardware threshold2 (see 'power1_crit'), otherwise 0. What: /sys/bus/platform/devices/dfl-fme.0/hwmon/hwmonX/power1_xeon_limit Date: October 2019 KernelVersion: 5.5 Contact: Wu Hao <hao.wu@intel.com> Description: Read-Only. It returns power limit for XEON in uW. What: /sys/bus/platform/devices/dfl-fme.0/hwmon/hwmonX/power1_fpga_limit Date: October 2019 KernelVersion: 5.5 Contact: Wu Hao <hao.wu@intel.com> Description: Read-Only. It returns power limit for FPGA in uW. What: /sys/bus/platform/devices/dfl-fme.0/hwmon/hwmonX/power1_ltr Date: October 2019 KernelVersion: 5.5 Contact: Wu Hao <hao.wu@intel.com> Description: Read-only. Read this file to get current Latency Tolerance Reporting (ltr) value. It returns 1 if all Accelerated Function Units (AFUs) can tolerate latency >= 40us for memory access or 0 if any AFU is latency sensitive (< 40us). |