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]>
---
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
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
>