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authorDapeng Mi <dapeng1.mi@linux.intel.com>2026-09-17 09:52:33 +0800
committerIngo Molnar <mingo@kernel.org>2026-09-22 11:37:46 +0200
commit0102c8c7fdfc4bd700971daff2b94470f4eafae4 (patch)
tree531306c2299f9a269f0a986e29f17ba972180104 /Documentation/ABI/testing/sysfs-driver-genwqe
downloadlinux-stable-0102c8c7fdfc4bd700971daff2b94470f4eafae4.tar.gz
linux-stable-0102c8c7fdfc4bd700971daff2b94470f4eafae4.zip
perf/x86/intel: Rename DMR offcore_rsp attribute to offmodule_rspgrafted
DMR introduces Offmodule Response events in place of the legacy Offcore Response events, but it still exposes the inherited offcore_rsp PMU attribute for programming the corresponding MSR data. Rename the DMR PMU attribute to offmodule_rsp so the sysfs interface matches the underlying event name and avoids user & tooling confusion. Signed-off-by: Dapeng Mi <dapeng1.mi@linux.intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://patch.msgid.link/20260917015234.981153-12-dapeng1.mi@linux.intel.com
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+What: /sys/class/genwqe/genwqe<n>_card/version
+Date: Oct 2013
+Contact: haver@linux.vnet.ibm.com
+Description: Unique bitstream identification e.g.
+ '0000000330336283.00000000475a4950'.
+
+What: /sys/class/genwqe/genwqe<n>_card/appid
+Date: Oct 2013
+Contact: haver@linux.vnet.ibm.com
+Description: Identifies the currently active card application e.g. 'GZIP'
+ for compression/decompression.
+
+What: /sys/class/genwqe/genwqe<n>_card/type
+Date: Oct 2013
+Contact: haver@linux.vnet.ibm.com
+Description: Type of the card e.g. 'GenWQE5-A7'.
+
+What: /sys/class/genwqe/genwqe<n>_card/curr_bitstream
+Date: Oct 2013
+Contact: haver@linux.vnet.ibm.com
+Description: Currently active bitstream. 1 is default, 0 is backup.
+
+What: /sys/class/genwqe/genwqe<n>_card/next_bitstream
+Date: Oct 2013
+Contact: haver@linux.vnet.ibm.com
+Description: Interface to set the next bitstream to be used.
+
+What: /sys/class/genwqe/genwqe<n>_card/reload_bitstream
+Date: May 2014
+Contact: klebers@linux.vnet.ibm.com
+Description: Interface to trigger a PCIe card reset to reload the bitstream.
+
+ ::
+
+ sudo sh -c 'echo 1 > \
+ /sys/class/genwqe/genwqe0_card/reload_bitstream'
+
+ If successfully, the card will come back with the bitstream set
+ on 'next_bitstream'.
+
+What: /sys/class/genwqe/genwqe<n>_card/tempsens
+Date: Oct 2013
+Contact: haver@linux.vnet.ibm.com
+Description: Interface to read the cards temperature sense register.
+
+What: /sys/class/genwqe/genwqe<n>_card/freerunning_timer
+Date: Oct 2013
+Contact: haver@linux.vnet.ibm.com
+Description: Interface to read the cards free running timer.
+ Used for performance and utilization measurements.
+
+What: /sys/class/genwqe/genwqe<n>_card/queue_working_time
+Date: Oct 2013
+Contact: haver@linux.vnet.ibm.com
+Description: Interface to read queue working time.
+ Used for performance and utilization measurements.
+
+What: /sys/class/genwqe/genwqe<n>_card/state
+Date: Oct 2013
+Contact: haver@linux.vnet.ibm.com
+Description: State of the card: "unused", "used", "error".
+
+What: /sys/class/genwqe/genwqe<n>_card/base_clock
+Date: Oct 2013
+Contact: haver@linux.vnet.ibm.com
+Description: Base clock frequency of the card.
+
+What: /sys/class/genwqe/genwqe<n>_card/device/sriov_numvfs
+Date: Oct 2013
+Contact: haver@linux.vnet.ibm.com
+Description: Enable VFs (1..15)::
+
+ sudo sh -c 'echo 15 > \
+ /sys/bus/pci/devices/0000\:1b\:00.0/sriov_numvfs'
+
+ Disable VFs::
+
+ Write a 0 into the same sysfs entry.