From b4b7ff4b08e691656c9d77c758fc355833128ac0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 20 Jan 2016 14:01:31 -0300 Subject: Linux-libre 4.4-gnu --- .../ABI/testing/sysfs-bus-intel_th-devices-msc | 33 ++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-bus-intel_th-devices-msc (limited to 'Documentation/ABI/testing/sysfs-bus-intel_th-devices-msc') diff --git a/Documentation/ABI/testing/sysfs-bus-intel_th-devices-msc b/Documentation/ABI/testing/sysfs-bus-intel_th-devices-msc new file mode 100644 index 000000000..b940c5d91 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-intel_th-devices-msc @@ -0,0 +1,33 @@ +What: /sys/bus/intel_th/devices/-msc/wrap +Date: June 2015 +KernelVersion: 4.3 +Contact: Alexander Shishkin +Description: (RW) Configure MSC buffer wrapping. 1 == wrapping enabled. + +What: /sys/bus/intel_th/devices/-msc/mode +Date: June 2015 +KernelVersion: 4.3 +Contact: Alexander Shishkin +Description: (RW) Configure MSC operating mode: + - "single", for contiguous buffer mode (high-order alloc); + - "multi", for multiblock mode; + - "ExI", for DCI handler mode; + - "debug", for debug mode. + If operating mode changes, existing buffer is deallocated, + provided there are no active users and tracing is not enabled, + otherwise the write will fail. + +What: /sys/bus/intel_th/devices/-msc/nr_pages +Date: June 2015 +KernelVersion: 4.3 +Contact: Alexander Shishkin +Description: (RW) Configure MSC buffer size for "single" or "multi" modes. + In single mode, this is a single number of pages, has to be + power of 2. In multiblock mode, this is a comma-separated list + of numbers of pages for each window to be allocated. Number of + windows is not limited. + Writing to this file deallocates existing buffer (provided + there are no active users and tracing is not enabled) and then + allocates a new one. + + -- cgit v1.2.3-54-g00ecf