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