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+What: /sys/bus/event_source/devices/hv_gpci/interface/collect_privileged
+Date: February 2014
+Contact: Cody P Schafer <cody@linux.vnet.ibm.com>
+Description:
+ '0' if the hypervisor is configured to forbid access to event
+ counters being accumulated by other guests and to physical
+ domain event counters.
+ '1' if that access is allowed.
+
+What: /sys/bus/event_source/devices/hv_gpci/interface/ga
+Date: February 2014
+Contact: Cody P Schafer <cody@linux.vnet.ibm.com>
+Description:
+ 0 or 1. Indicates whether we have access to "GA" events (listed
+ in arch/powerpc/perf/hv-gpci.h).
+
+What: /sys/bus/event_source/devices/hv_gpci/interface/expanded
+Date: February 2014
+Contact: Cody P Schafer <cody@linux.vnet.ibm.com>
+Description:
+ 0 or 1. Indicates whether we have access to "EXPANDED" events (listed
+ in arch/powerpc/perf/hv-gpci.h).
+
+What: /sys/bus/event_source/devices/hv_gpci/interface/lab
+Date: February 2014
+Contact: Cody P Schafer <cody@linux.vnet.ibm.com>
+Description:
+ 0 or 1. Indicates whether we have access to "LAB" events (listed
+ in arch/powerpc/perf/hv-gpci.h).
+
+What: /sys/bus/event_source/devices/hv_gpci/interface/version
+Date: February 2014
+Contact: Cody P Schafer <cody@linux.vnet.ibm.com>
+Description:
+ A number indicating the version of the gpci interface that the
+ hypervisor reports supporting.
+
+What: /sys/bus/event_source/devices/hv_gpci/interface/kernel_version
+Date: February 2014
+Contact: Cody P Schafer <cody@linux.vnet.ibm.com>
+Description:
+ A number indicating the latest version of the gpci interface
+ that the kernel is aware of.