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-rw-r--r--Documentation/ABI/testing/configfs-stp-policy48
-rw-r--r--Documentation/ABI/testing/sysfs-bus-coresight-devices-etm3x83
-rw-r--r--Documentation/ABI/testing/sysfs-bus-intel_th-devices-gth49
-rw-r--r--Documentation/ABI/testing/sysfs-bus-intel_th-devices-msc33
-rw-r--r--Documentation/ABI/testing/sysfs-bus-intel_th-devices-pti24
-rw-r--r--Documentation/ABI/testing/sysfs-bus-intel_th-output-devices13
-rw-r--r--Documentation/ABI/testing/sysfs-bus-mei7
-rw-r--r--Documentation/ABI/testing/sysfs-class-fpga-manager37
-rw-r--r--Documentation/ABI/testing/sysfs-class-mic.txt29
-rw-r--r--Documentation/ABI/testing/sysfs-class-stm14
-rw-r--r--Documentation/ABI/testing/sysfs-class-stm_source11
11 files changed, 331 insertions, 17 deletions
diff --git a/Documentation/ABI/testing/configfs-stp-policy b/Documentation/ABI/testing/configfs-stp-policy
new file mode 100644
index 000000000000..421ce6825c66
--- /dev/null
+++ b/Documentation/ABI/testing/configfs-stp-policy
@@ -0,0 +1,48 @@
+What: /config/stp-policy
+Date: June 2015
+KernelVersion: 4.3
+Description:
+ This group contains policies mandating Master/Channel allocation
+ for software sources wishing to send trace data over an STM
+ device.
+
+What: /config/stp-policy/<device>.<policy>
+Date: June 2015
+KernelVersion: 4.3
+Description:
+ This group is the root of a policy; its name is a concatenation
+ of an stm device name to which this policy applies and an
+ arbitrary string. If <device> part doesn't match an existing
+ stm device, mkdir will fail with ENODEV; if that device already
+ has a policy assigned to it, mkdir will fail with EBUSY.
+
+What: /config/stp-policy/<device>.<policy>/device
+Date: June 2015
+KernelVersion: 4.3
+Description:
+ STM device to which this policy applies, read only. Same as the
+ <device> component of its parent directory.
+
+What: /config/stp-policy/<device>.<policy>/<node>
+Date: June 2015
+KernelVersion: 4.3
+Description:
+ Policy node is a string identifier that software clients will
+ use to request a master/channel to be allocated and assigned to
+ them.
+
+What: /config/stp-policy/<device>.<policy>/<node>/masters
+Date: June 2015
+KernelVersion: 4.3
+Description:
+ Range of masters from which to allocate for users of this node.
+ Write two numbers: the first master and the last master number.
+
+What: /config/stp-policy/<device>.<policy>/<node>/channels
+Date: June 2015
+KernelVersion: 4.3
+Description:
+ Range of channels from which to allocate for users of this node.
+ Write two numbers: the first channel and the last channel
+ number.
+
diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm3x b/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm3x
index d72ca1736ba4..924265a1295d 100644
--- a/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm3x
+++ b/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm3x
@@ -8,13 +8,6 @@ Description: (RW) Enable/disable tracing on this specific trace entiry.
of coresight components linking the source to the sink is
configured and managed automatically by the coresight framework.
-What: /sys/bus/coresight/devices/<memory_map>.[etm|ptm]/status
-Date: November 2014
-KernelVersion: 3.19
-Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
-Description: (R) List various control and status registers. The specific
- layout and content is driver specific.
-
What: /sys/bus/coresight/devices/<memory_map>.[etm|ptm]/addr_idx
Date: November 2014
KernelVersion: 3.19
@@ -251,3 +244,79 @@ Date: November 2014
KernelVersion: 3.19
Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
Description: (RW) Define the event that controls the trigger.
+
+What: /sys/bus/coresight/devices/<memory_map>.[etm|ptm]/cpu
+Date: October 2015
+KernelVersion: 4.4
+Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
+Description: (RO) Holds the cpu number this tracer is affined to.
+
+What: /sys/bus/coresight/devices/<memory_map>.[etm|ptm]/mgmt/etmccr
+Date: September 2015
+KernelVersion: 4.4
+Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
+Description: (RO) Print the content of the ETM Configuration Code register
+ (0x004). The value is read directly from the HW.
+
+What: /sys/bus/coresight/devices/<memory_map>.[etm|ptm]/mgmt/etmccer
+Date: September 2015
+KernelVersion: 4.4
+Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
+Description: (RO) Print the content of the ETM Configuration Code Extension
+ register (0x1e8). The value is read directly from the HW.
+
+What: /sys/bus/coresight/devices/<memory_map>.[etm|ptm]/mgmt/etmscr
+Date: September 2015
+KernelVersion: 4.4
+Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
+Description: (RO) Print the content of the ETM System Configuration
+ register (0x014). The value is read directly from the HW.
+
+What: /sys/bus/coresight/devices/<memory_map>.[etm|ptm]/mgmt/etmidr
+Date: September 2015
+KernelVersion: 4.4
+Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
+Description: (RO) Print the content of the ETM ID register (0x1e4). The
+ value is read directly from the HW.
+
+What: /sys/bus/coresight/devices/<memory_map>.[etm|ptm]/mgmt/etmcr
+Date: September 2015
+KernelVersion: 4.4
+Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
+Description: (RO) Print the content of the ETM Main Control register (0x000).
+ The value is read directly from the HW.
+
+What: /sys/bus/coresight/devices/<memory_map>.[etm|ptm]/mgmt/etmtraceidr
+Date: September 2015
+KernelVersion: 4.4
+Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
+Description: (RO) Print the content of the ETM Trace ID register (0x200).
+ The value is read directly from the HW.
+
+What: /sys/bus/coresight/devices/<memory_map>.[etm|ptm]/mgmt/etmteevr
+Date: September 2015
+KernelVersion: 4.4
+Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
+Description: (RO) Print the content of the ETM Trace Enable Event register
+ (0x020). The value is read directly from the HW.
+
+What: /sys/bus/coresight/devices/<memory_map>.[etm|ptm]/mgmt/etmtsscr
+Date: September 2015
+KernelVersion: 4.4
+Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
+Description: (RO) Print the content of the ETM Trace Start/Stop Conrol
+ register (0x018). The value is read directly from the HW.
+
+What: /sys/bus/coresight/devices/<memory_map>.[etm|ptm]/mgmt/etmtecr1
+Date: September 2015
+KernelVersion: 4.4
+Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
+Description: (RO) Print the content of the ETM Enable Conrol #1
+ register (0x024). The value is read directly from the HW.
+
+What: /sys/bus/coresight/devices/<memory_map>.[etm|ptm]/mgmt/etmtecr2
+Date: September 2015
+KernelVersion: 4.4
+Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
+Description: (RO) Print the content of the ETM Enable Conrol #2
+ register (0x01c). The value is read directly from the HW.
diff --git a/Documentation/ABI/testing/sysfs-bus-intel_th-devices-gth b/Documentation/ABI/testing/sysfs-bus-intel_th-devices-gth
new file mode 100644
index 000000000000..22d0843849a8
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-bus-intel_th-devices-gth
@@ -0,0 +1,49 @@
+What: /sys/bus/intel_th/devices/<intel_th_id>-gth/masters/*
+Date: June 2015
+KernelVersion: 4.3
+Contact: Alexander Shishkin <alexander.shishkin@linux.intel.com>
+Description: (RW) Configure output ports for STP masters. Writing -1
+ disables a master; any
+
+What: /sys/bus/intel_th/devices/<intel_th_id>-gth/outputs/[0-7]_port
+Date: June 2015
+KernelVersion: 4.3
+Contact: Alexander Shishkin <alexander.shishkin@linux.intel.com>
+Description: (RO) Output port type:
+ 0: not present,
+ 1: MSU (Memory Storage Unit)
+ 2: CTP (Common Trace Port)
+ 4: PTI (MIPI PTI).
+
+What: /sys/bus/intel_th/devices/<intel_th_id>-gth/outputs/[0-7]_drop
+Date: June 2015
+KernelVersion: 4.3
+Contact: Alexander Shishkin <alexander.shishkin@linux.intel.com>
+Description: (RW) Data retention policy setting: keep (0) or drop (1)
+ incoming data while output port is in reset.
+
+What: /sys/bus/intel_th/devices/<intel_th_id>-gth/outputs/[0-7]_null
+Date: June 2015
+KernelVersion: 4.3
+Contact: Alexander Shishkin <alexander.shishkin@linux.intel.com>
+Description: (RW) STP NULL packet generation: enabled (1) or disabled (0).
+
+What: /sys/bus/intel_th/devices/<intel_th_id>-gth/outputs/[0-7]_flush
+Date: June 2015
+KernelVersion: 4.3
+Contact: Alexander Shishkin <alexander.shishkin@linux.intel.com>
+Description: (RW) Force flush data from byte packing buffer for the output
+ port.
+
+What: /sys/bus/intel_th/devices/<intel_th_id>-gth/outputs/[0-7]_reset
+Date: June 2015
+KernelVersion: 4.3
+Contact: Alexander Shishkin <alexander.shishkin@linux.intel.com>
+Description: (RO) Output port is in reset (1).
+
+What: /sys/bus/intel_th/devices/<intel_th_id>-gth/outputs/[0-7]_smcfreq
+Date: June 2015
+KernelVersion: 4.3
+Contact: Alexander Shishkin <alexander.shishkin@linux.intel.com>
+Description: (RW) STP sync packet frequency for the port. Specifies the
+ number of clocks between mainenance packets.
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 000000000000..b940c5d91cf7
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-bus-intel_th-devices-msc
@@ -0,0 +1,33 @@
+What: /sys/bus/intel_th/devices/<intel_th_id>-msc<msc-id>/wrap
+Date: June 2015
+KernelVersion: 4.3
+Contact: Alexander Shishkin <alexander.shishkin@linux.intel.com>
+Description: (RW) Configure MSC buffer wrapping. 1 == wrapping enabled.
+
+What: /sys/bus/intel_th/devices/<intel_th_id>-msc<msc-id>/mode
+Date: June 2015
+KernelVersion: 4.3
+Contact: Alexander Shishkin <alexander.shishkin@linux.intel.com>
+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/<intel_th_id>-msc<msc-id>/nr_pages
+Date: June 2015
+KernelVersion: 4.3
+Contact: Alexander Shishkin <alexander.shishkin@linux.intel.com>
+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.
+
+
diff --git a/Documentation/ABI/testing/sysfs-bus-intel_th-devices-pti b/Documentation/ABI/testing/sysfs-bus-intel_th-devices-pti
new file mode 100644
index 000000000000..df0b24fd0218
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-bus-intel_th-devices-pti
@@ -0,0 +1,24 @@
+What: /sys/bus/intel_th/devices/<intel_th_id>-pti/mode
+Date: June 2015
+KernelVersion: 4.3
+Contact: Alexander Shishkin <alexander.shishkin@linux.intel.com>
+Description: (RW) Configure PTI output width. Currently supported values
+ are 4, 8, 12, 16.
+
+What: /sys/bus/intel_th/devices/<intel_th_id>-pti/freerunning_clock
+Date: June 2015
+KernelVersion: 4.3
+Contact: Alexander Shishkin <alexander.shishkin@linux.intel.com>
+Description: (RW) 0: PTI trace clock acts as a strobe which only toggles
+ when there is trace data to send. 1: PTI trace clock is a
+ free-running clock.
+
+What: /sys/bus/intel_th/devices/<intel_th_id>-pti/clock_divider
+Date: June 2015
+KernelVersion: 4.3
+Contact: Alexander Shishkin <alexander.shishkin@linux.intel.com>
+Description: (RW) Configure PTI port clock divider:
+ - 0: Intel TH clock rate,
+ - 1: 1/2 Intel TH clock rate,
+ - 2: 1/4 Intel TH clock rate,
+ - 3: 1/8 Intel TH clock rate.
diff --git a/Documentation/ABI/testing/sysfs-bus-intel_th-output-devices b/Documentation/ABI/testing/sysfs-bus-intel_th-output-devices
new file mode 100644
index 000000000000..4d48a9451866
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-bus-intel_th-output-devices
@@ -0,0 +1,13 @@
+What: /sys/bus/intel_th/devices/<intel_th_id>-<device><id>/active
+Date: June 2015
+KernelVersion: 4.3
+Contact: Alexander Shishkin <alexander.shishkin@linux.intel.com>
+Description: (RW) Writes of 1 or 0 enable or disable trace output to this
+ output device. Reads return current status.
+
+What: /sys/bus/intel_th/devices/<intel_th_id>-msc<msc-id>/port
+Date: June 2015
+KernelVersion: 4.3
+Contact: Alexander Shishkin <alexander.shishkin@linux.intel.com>
+Description: (RO) Port number, corresponding to this output device on the
+ switch (GTH).
diff --git a/Documentation/ABI/testing/sysfs-bus-mei b/Documentation/ABI/testing/sysfs-bus-mei
index 20e4d1638bac..6bd45346ac7e 100644
--- a/Documentation/ABI/testing/sysfs-bus-mei
+++ b/Documentation/ABI/testing/sysfs-bus-mei
@@ -19,3 +19,10 @@ KernelVersion: 4.2
Contact: Tomas Winkler <tomas.winkler@intel.com>
Description: Stores mei client device uuid
Format: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
+
+What: /sys/bus/mei/devices/.../version
+Date: Aug 2015
+KernelVersion: 4.3
+Contact: Tomas Winkler <tomas.winkler@intel.com>
+Description: Stores mei client protocol version
+ Format: %d
diff --git a/Documentation/ABI/testing/sysfs-class-fpga-manager b/Documentation/ABI/testing/sysfs-class-fpga-manager
new file mode 100644
index 000000000000..23056c532fdd
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-class-fpga-manager
@@ -0,0 +1,37 @@
+What: /sys/class/fpga_manager/<fpga>/name
+Date: August 2015
+KernelVersion: 4.3
+Contact: Alan Tull <atull@opensource.altera.com>
+Description: Name of low level fpga manager driver.
+
+What: /sys/class/fpga_manager/<fpga>/state
+Date: August 2015
+KernelVersion: 4.3
+Contact: Alan Tull <atull@opensource.altera.com>
+Description: Read fpga manager state as a string.
+ The intent is to provide enough detail that if something goes
+ wrong during FPGA programming (something that the driver can't
+ fix) then userspace can know, i.e. if the firmware request
+ fails, that could be due to not being able to find the firmware
+ file.
+
+ This is a superset of FPGA states and fpga manager driver
+ states. The fpga manager driver is walking through these steps
+ to get the FPGA into a known operating state. It's a sequence,
+ though some steps may get skipped. Valid FPGA states will vary
+ by manufacturer; this is a superset.
+
+ * unknown = can't determine state
+ * power off = FPGA power is off
+ * power up = FPGA reports power is up
+ * reset = FPGA held in reset state
+ * firmware request = firmware class request in progress
+ * firmware request error = firmware request failed
+ * write init = preparing FPGA for programming
+ * write init error = Error while preparing FPGA for
+ programming
+ * write = FPGA ready to receive image data
+ * write error = Error while programming
+ * write complete = Doing post programming steps
+ * write complete error = Error while doing post programming
+ * operating = FPGA is programmed and operating
diff --git a/Documentation/ABI/testing/sysfs-class-mic.txt b/Documentation/ABI/testing/sysfs-class-mic.txt
index 13f48afc534f..d45eed2bf128 100644
--- a/Documentation/ABI/testing/sysfs-class-mic.txt
+++ b/Documentation/ABI/testing/sysfs-class-mic.txt
@@ -41,18 +41,15 @@ Description:
When read, this entry provides the current state of an Intel
MIC device in the context of the card OS. Possible values that
will be read are:
- "offline" - The MIC device is ready to boot the card OS. On
+ "ready" - The MIC device is ready to boot the card OS. On
reading this entry after an OSPM resume, a "boot" has to be
written to this entry if the card was previously shutdown
during OSPM suspend.
- "online" - The MIC device has initiated booting a card OS.
+ "booting" - The MIC device has initiated booting a card OS.
+ "online" - The MIC device has completed boot and is online
"shutting_down" - The card OS is shutting down.
+ "resetting" - A reset has been initiated for the MIC device
"reset_failed" - The MIC device has failed to reset.
- "suspending" - The MIC device is currently being prepared for
- suspend. On reading this entry, a "suspend" has to be written
- to the state sysfs entry to ensure the card is shutdown during
- OSPM suspend.
- "suspended" - The MIC device has been suspended.
When written, this sysfs entry triggers different state change
operations depending upon the current state of the card OS.
@@ -62,8 +59,6 @@ Description:
sysfs entries.
"reset" - Initiates device reset.
"shutdown" - Initiates card OS shutdown.
- "suspend" - Initiates card OS shutdown and also marks the card
- as suspended.
What: /sys/class/mic/mic(x)/shutdown_status
Date: October 2013
@@ -126,7 +121,7 @@ Description:
the card. This sysfs entry can be written with the following
valid strings:
a) linux - Boot a Linux image.
- b) elf - Boot an elf image for flash updates.
+ b) flash - Boot an image for flash updates.
What: /sys/class/mic/mic(x)/log_buf_addr
Date: October 2013
@@ -155,3 +150,17 @@ Description:
daemon to set the log buffer length address. The correct log
buffer length address to be written can be found in the
System.map file of the card OS.
+
+What: /sys/class/mic/mic(x)/heartbeat_enable
+Date: March 2015
+KernelVersion: 3.20
+Contact: Ashutosh Dixit <ashutosh.dixit@intel.com>
+Description:
+ The MIC drivers detect and inform user space about card crashes
+ via a heartbeat mechanism (see the description of
+ shutdown_status above). User space can turn off this
+ notification by setting heartbeat_enable to 0 and enable it by
+ setting this entry to 1. If this notification is disabled it is
+ the responsibility of user space to detect card crashes via
+ alternative means such as a network ping. This setting is
+ enabled by default.
diff --git a/Documentation/ABI/testing/sysfs-class-stm b/Documentation/ABI/testing/sysfs-class-stm
new file mode 100644
index 000000000000..c9aa4f3fc9a7
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-class-stm
@@ -0,0 +1,14 @@
+What: /sys/class/stm/<stm>/masters
+Date: June 2015
+KernelVersion: 4.3
+Contact: Alexander Shishkin <alexander.shishkin@linux.intel.com>
+Description:
+ Shows first and last available to software master numbers on
+ this STM device.
+
+What: /sys/class/stm/<stm>/channels
+Date: June 2015
+KernelVersion: 4.3
+Contact: Alexander Shishkin <alexander.shishkin@linux.intel.com>
+Description:
+ Shows the number of channels per master on this STM device.
diff --git a/Documentation/ABI/testing/sysfs-class-stm_source b/Documentation/ABI/testing/sysfs-class-stm_source
new file mode 100644
index 000000000000..57b8dd39bbf7
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-class-stm_source
@@ -0,0 +1,11 @@
+What: /sys/class/stm_source/<stm_source>/stm_source_link
+Date: June 2015
+KernelVersion: 4.3
+Contact: Alexander Shishkin <alexander.shishkin@linux.intel.com>
+Description:
+ stm_source device linkage to stm device, where its tracing data
+ is directed. Reads return an existing connection or "<none>" if
+ this stm_source is not connected to any stm device yet.
+ Write an existing (registered) stm device's name here to
+ connect that device. If a device is already connected to this
+ stm_source, it will first be disconnected.