1 .. SPDX-License-Identifier: GPL-2.0
3 Kernel driver peci-dimmtemp
4 ===========================
7 One of Intel server CPUs listed below which is connected to a PECI bus.
8 * Intel Xeon E5/E7 v3 server processors
9 Intel Xeon E5-14xx v3 family
10 Intel Xeon E5-24xx v3 family
11 Intel Xeon E5-16xx v3 family
12 Intel Xeon E5-26xx v3 family
13 Intel Xeon E5-46xx v3 family
14 Intel Xeon E7-48xx v3 family
15 Intel Xeon E7-88xx v3 family
16 * Intel Xeon E5/E7 v4 server processors
17 Intel Xeon E5-16xx v4 family
18 Intel Xeon E5-26xx v4 family
19 Intel Xeon E5-46xx v4 family
20 Intel Xeon E7-48xx v4 family
21 Intel Xeon E7-88xx v4 family
22 * Intel Xeon Scalable server processors
24 Intel Xeon Bronze family
25 Intel Xeon Silver family
26 Intel Xeon Gold family
27 Intel Xeon Platinum family
29 Datasheet: Available from http://www.intel.com/design/literature.htm
31 Author: Jae Hyun Yoo <jae.hyun.yoo@linux.intel.com>
36 This driver implements a generic PECI hwmon feature which provides
37 Temperature sensor on DIMM readings that are accessible via the processor PECI interface.
39 All temperature values are given in millidegree Celsius and will be measurable
40 only when the target CPU is powered on.
45 ======================= =======================================================
47 temp[N]_label Provides string "DIMM CI", where C is DIMM channel and
48 I is DIMM index of the populated DIMM.
49 temp[N]_input Provides current temperature of the populated DIMM.
50 temp[N]_max Provides thermal control temperature of the DIMM.
51 temp[N]_crit Provides shutdown temperature of the DIMM.
53 ======================= =======================================================
56 DIMM temperature attributes will appear when the client CPU's BIOS
57 completes memory training and testing.