[PATCH linux dev-4.12 09/10] Documentation: ABI: Add occ-hwmon driver sysfs documentation

Eddie James eajames at linux.vnet.ibm.com
Tue Aug 1 10:58:26 AEST 2017


From: "Edward A. James" <eajames at us.ibm.com>

Detail the sysfs attributes provided by the occ-hwmon driver.

Signed-off-by: Edward A. James <eajames at us.ibm.com>
---
 Documentation/ABI/testing/sysfs-driver-occ-hwmon | 77 ++++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 Documentation/ABI/testing/sysfs-driver-occ-hwmon

diff --git a/Documentation/ABI/testing/sysfs-driver-occ-hwmon b/Documentation/ABI/testing/sysfs-driver-occ-hwmon
new file mode 100644
index 0000000..5563128
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-driver-occ-hwmon
@@ -0,0 +1,77 @@
+What:		/sys/bus/platform/drivers/occ-hwmon/<dev>/occ_active
+Date:		July 2017
+KernelVersion:	4.14
+Contact:	eajames at us.ibm.com
+Description:
+		A read-only attribute that indicates (with a "1" or a "0",
+		respectively) whether or not this OCC is in the "active" state.
+
+What:		/sys/bus/platform/drivers/occ-hwmon/<dev>/occ_dvfs_ot
+Date:		July 2017
+KernelVersion:	4.14
+Contact:	eajames at us.ibm.com
+Description:
+		A read-only attribute that indicates (with a "1" or a "0",
+		respectively) whether or not this OCC has limited the processor
+		frequency due to over-temperature.
+
+What:		/sys/bus/platform/drivers/occ-hwmon/<dev>/occ_dvfs_power
+Date:		July 2017
+KernelVersion:	4.14
+Contact:	eajames at us.ibm.com
+Description:
+		A read-only attribute that indicates (with a "1" or a "0",
+		respectively) whether or not this OCC has limited the processor
+		frequency due to power usage.
+
+What:		/sys/bus/platform/drivers/occ-hwmon/<dev>/occ_error
+Date:		July 2017
+KernelVersion:	4.14
+Contact:	eajames at us.ibm.com
+Description:
+		A read-only attribute that indicates any error condition
+		observed by the OCC or detected by the driver. Reading the
+		attribute will return an integer. A negative integer indicates
+		either an error response from the OCC or bus error or other
+		error condition detected by the driver. A "0" indicates no
+		error.
+
+What:		/sys/bus/platform/drivers/occ-hwmon/<dev>/occ_master
+Date:		July 2017
+KernelVersion:	4.14
+Contact:	eajames at us.ibm.com
+Description:
+		A read-only attribute that indicates (with a "1" or a "0",
+		respectively) whether or not this OCC is the "master" OCC.
+
+What:		/sys/bus/platform/drivers/occ-hwmon/<dev>/occ_mem_throttle
+Date:		July 2017
+KernelVersion:	4.14
+Contact:	eajames at us.ibm.com
+Description:
+		A read-only attribute that indicates (with a "1" or a "0",
+		respectively) whether or not the OCC has throttled memory due
+		to over-temperature.
+
+What:		/sys/bus/platform/drivers/occ-hwmon/<dev>/occ_quick_drop
+Date:		July 2017
+KernelVersion:	4.14
+Contact:	eajames at us.ibm.com
+Description:
+		A read-only attribute that indicates (with a "1" or a "0",
+		respectively) whether or not this OCC has asserted the "quick
+		power drop" signal.
+
+What:		/sys/bus/platform/drivers/occ-hwmon/<dev>/occ_status
+Date:		July 2017
+KernelVersion:	4.14
+Contact:	eajames at us.ibm.com
+Description:
+		A read-only attribute that indicates the current OCC state. The
+		value of the attribute will be one of the following states:
+		0: Reserved
+		1: Standby
+		2: Observation
+		3: Active
+		4: Safe
+		5: Characterization
-- 
1.8.3.1



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