On Fri, Jun 01, 2018 at 11:22:44AM -0700, Jae Hyun Yoo wrote: > This commit adds hwmon documents for PECI cputemp and dimmtemp drivers. > > Signed-off-by: Jae Hyun Yoo <[email protected]> > Reviewed-by: Haiyue Wang <[email protected]> > Reviewed-by: James Feist <[email protected]> > Reviewed-by: Vernon Mauery <[email protected]> > Cc: Jason M Biils <[email protected]> > Cc: Randy Dunlap <[email protected]>
Acked-by: Guenter Roeck <[email protected]> > --- > Documentation/hwmon/peci-cputemp | 78 +++++++++++++++++++++++++++++++ > Documentation/hwmon/peci-dimmtemp | 50 ++++++++++++++++++++ > 2 files changed, 128 insertions(+) > create mode 100644 Documentation/hwmon/peci-cputemp > create mode 100644 Documentation/hwmon/peci-dimmtemp > > diff --git a/Documentation/hwmon/peci-cputemp > b/Documentation/hwmon/peci-cputemp > new file mode 100644 > index 000000000000..821a9258f2e6 > --- /dev/null > +++ b/Documentation/hwmon/peci-cputemp > @@ -0,0 +1,78 @@ > +Kernel driver peci-cputemp > +========================== > + > +Supported chips: > + One of Intel server CPUs listed below which is connected to a PECI bus. > + * Intel Xeon E5/E7 v3 server processors > + Intel Xeon E5-14xx v3 family > + Intel Xeon E5-24xx v3 family > + Intel Xeon E5-16xx v3 family > + Intel Xeon E5-26xx v3 family > + Intel Xeon E5-46xx v3 family > + Intel Xeon E7-48xx v3 family > + Intel Xeon E7-88xx v3 family > + * Intel Xeon E5/E7 v4 server processors > + Intel Xeon E5-16xx v4 family > + Intel Xeon E5-26xx v4 family > + Intel Xeon E5-46xx v4 family > + Intel Xeon E7-48xx v4 family > + Intel Xeon E7-88xx v4 family > + * Intel Xeon Scalable server processors > + Intel Xeon Bronze family > + Intel Xeon Silver family > + Intel Xeon Gold family > + Intel Xeon Platinum family > + Addresses scanned: PECI client address 0x30 - 0x37 > + Datasheet: Available from http://www.intel.com/design/literature.htm > + > +Author: > + Jae Hyun Yoo <[email protected]> > + > +Description > +----------- > + > +This driver implements a generic PECI hwmon feature which provides Digital > +Thermal Sensor (DTS) thermal readings of the CPU package and CPU cores that > are > +accessible using the PECI Client Command Suite via the processor PECI client. > + > +All temperature values are given in millidegree Celsius and will be > measurable > +only when the target CPU is powered on. > + > +sysfs attributes > +---------------- > + > +temp1_label "Die" > +temp1_input Provides current die temperature of the CPU package. > +temp1_max Provides thermal control temperature of the CPU package > + which is also known as Tcontrol. > +temp1_crit Provides shutdown temperature of the CPU package which > + is also known as the maximum processor junction > + temperature, Tjmax or Tprochot. > +temp1_crit_hyst Provides the hysteresis value from Tcontrol to > Tjmax of > + the CPU package. > + > +temp2_label "Tcontrol" > +temp2_input Provides current Tcontrol temperature of the CPU > + package which is also known as Fan Temperature target. > + Indicates the relative value from thermal monitor trip > + temperature at which fans should be engaged. > +temp2_crit Provides Tcontrol critical value of the CPU package > + which is same to Tjmax. > + > +temp3_label "Tthrottle" > +temp3_input Provides current Tthrottle temperature of the CPU > + package. Used for throttling temperature. If this value > + is allowed and lower than Tjmax - the throttle will > + occur and reported at lower than Tjmax. > + > +temp4_label "Tjmax" > +temp4_input Provides the maximum junction temperature, Tjmax of the > + CPU package. > + > +temp[5-*]_label Provides string "Core X", where X is resolved > core > + number. > +temp[5-*]_input Provides current temperature of each core. > +temp[5-*]_max Provides thermal control temperature of the > core. > +temp[5-*]_crit Provides shutdown temperature of the core. > +temp[5-*]_crit_hyst Provides the hysteresis value from Tcontrol to Tjmax of > + the core. > diff --git a/Documentation/hwmon/peci-dimmtemp > b/Documentation/hwmon/peci-dimmtemp > new file mode 100644 > index 000000000000..c54f2526188c > --- /dev/null > +++ b/Documentation/hwmon/peci-dimmtemp > @@ -0,0 +1,50 @@ > +Kernel driver peci-dimmtemp > +=========================== > + > +Supported chips: > + One of Intel server CPUs listed below which is connected to a PECI bus. > + * Intel Xeon E5/E7 v3 server processors > + Intel Xeon E5-14xx v3 family > + Intel Xeon E5-24xx v3 family > + Intel Xeon E5-16xx v3 family > + Intel Xeon E5-26xx v3 family > + Intel Xeon E5-46xx v3 family > + Intel Xeon E7-48xx v3 family > + Intel Xeon E7-88xx v3 family > + * Intel Xeon E5/E7 v4 server processors > + Intel Xeon E5-16xx v4 family > + Intel Xeon E5-26xx v4 family > + Intel Xeon E5-46xx v4 family > + Intel Xeon E7-48xx v4 family > + Intel Xeon E7-88xx v4 family > + * Intel Xeon Scalable server processors > + Intel Xeon Bronze family > + Intel Xeon Silver family > + Intel Xeon Gold family > + Intel Xeon Platinum family > + Addresses scanned: PECI client address 0x30 - 0x37 > + Datasheet: Available from http://www.intel.com/design/literature.htm > + > +Author: > + Jae Hyun Yoo <[email protected]> > + > +Description > +----------- > + > +This driver implements a generic PECI hwmon feature which provides Digital > +Thermal Sensor (DTS) thermal readings of DIMM components that are accessible > +using the PECI Client Command Suite via the processor PECI client. > + > +All temperature values are given in millidegree Celsius and will be > measurable > +only when the target CPU is powered on. > + > +sysfs attributes > +---------------- > + > +temp[N]_label Provides string "DIMM CI", where C is DIMM > channel and > + I is DIMM index of the populated DIMM. > +temp[N]_input Provides current temperature of the populated > DIMM. > + > +Note: > + DIMM temperature attributes will appear when the client CPU's BIOS > + completes memory training and testing. > -- > 2.17.0 > -- To unsubscribe from this list: send the line "unsubscribe linux-hwmon" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
