aboutsummaryrefslogtreecommitdiffstats
path: root/Documentation/ABI
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/ABI')
-rw-r--r--Documentation/ABI/removed/net_dma8
-rw-r--r--Documentation/ABI/stable/sysfs-devices-node8
-rw-r--r--Documentation/ABI/testing/configfs-usb-gadget-uac112
-rw-r--r--Documentation/ABI/testing/configfs-usb-gadget-uac212
-rw-r--r--Documentation/ABI/testing/sysfs-block-zram32
-rw-r--r--Documentation/ABI/testing/sysfs-bus-iio-accel-bmc1507
-rw-r--r--Documentation/ABI/testing/sysfs-bus-iio-gyro-bmg1607
-rw-r--r--Documentation/ABI/testing/sysfs-bus-pci10
-rw-r--r--Documentation/ABI/testing/sysfs-class-net2
-rw-r--r--Documentation/ABI/testing/sysfs-class-uwb_rc13
-rw-r--r--Documentation/ABI/testing/sysfs-devices-memory8
-rw-r--r--Documentation/ABI/testing/sysfs-fs-f2fs7
12 files changed, 112 insertions, 14 deletions
diff --git a/Documentation/ABI/removed/net_dma b/Documentation/ABI/removed/net_dma
new file mode 100644
index 000000000000..a173aecc2f18
--- /dev/null
+++ b/Documentation/ABI/removed/net_dma
@@ -0,0 +1,8 @@
+What: tcp_dma_copybreak sysctl
+Date: Removed in kernel v3.13
+Contact: Dan Williams <dan.j.williams@intel.com>
+Description:
+ Formerly the lower limit, in bytes, of the size of socket reads
+ that will be offloaded to a DMA copy engine. Removed due to
+ coherency issues of the cpu potentially touching the buffers
+ while dma is in flight.
diff --git a/Documentation/ABI/stable/sysfs-devices-node b/Documentation/ABI/stable/sysfs-devices-node
index ce259c13c36a..5b2d0f08867c 100644
--- a/Documentation/ABI/stable/sysfs-devices-node
+++ b/Documentation/ABI/stable/sysfs-devices-node
@@ -85,14 +85,6 @@ Description:
will be compacted. When it completes, memory will be freed
into blocks which have as many contiguous pages as possible
-What: /sys/devices/system/node/nodeX/scan_unevictable_pages
-Date: October 2008
-Contact: Lee Schermerhorn <lee.schermerhorn@hp.com>
-Description:
- When set, it triggers scanning the node's unevictable lists
- and move any pages that have become evictable onto the respective
- zone's inactive list. See mm/vmscan.c
-
What: /sys/devices/system/node/nodeX/hugepages/hugepages-<size>/
Date: December 2009
Contact: Lee Schermerhorn <lee.schermerhorn@hp.com>
diff --git a/Documentation/ABI/testing/configfs-usb-gadget-uac1 b/Documentation/ABI/testing/configfs-usb-gadget-uac1
new file mode 100644
index 000000000000..8ba9a123316e
--- /dev/null
+++ b/Documentation/ABI/testing/configfs-usb-gadget-uac1
@@ -0,0 +1,12 @@
+What: /config/usb-gadget/gadget/functions/uac1.name
+Date: Sep 2014
+KernelVersion: 3.18
+Description:
+ The attributes:
+
+ audio_buf_size - audio buffer size
+ fn_cap - capture pcm device file name
+ fn_cntl - control device file name
+ fn_play - playback pcm device file name
+ req_buf_size - ISO OUT endpoint request buffer size
+ req_count - ISO OUT endpoint request count
diff --git a/Documentation/ABI/testing/configfs-usb-gadget-uac2 b/Documentation/ABI/testing/configfs-usb-gadget-uac2
new file mode 100644
index 000000000000..2bfdd4efa9bd
--- /dev/null
+++ b/Documentation/ABI/testing/configfs-usb-gadget-uac2
@@ -0,0 +1,12 @@
+What: /config/usb-gadget/gadget/functions/uac2.name
+Date: Sep 2014
+KernelVersion: 3.18
+Description:
+ The attributes:
+
+ c_chmask - capture channel mask
+ c_srate - capture sampling rate
+ c_ssize - capture sample size (bytes)
+ p_chmask - playback channel mask
+ p_srate - playback sampling rate
+ p_ssize - playback sample size (bytes)
diff --git a/Documentation/ABI/testing/sysfs-block-zram b/Documentation/ABI/testing/sysfs-block-zram
index 70ec992514d0..a6148eaf91e5 100644
--- a/Documentation/ABI/testing/sysfs-block-zram
+++ b/Documentation/ABI/testing/sysfs-block-zram
@@ -77,11 +77,14 @@ What: /sys/block/zram<id>/notify_free
Date: August 2010
Contact: Nitin Gupta <ngupta@vflare.org>
Description:
- The notify_free file is read-only and specifies the number of
- swap slot free notifications received by this device. These
- notifications are sent to a swap block device when a swap slot
- is freed. This statistic is applicable only when this disk is
- being used as a swap disk.
+ The notify_free file is read-only. Depending on device usage
+ scenario it may account a) the number of pages freed because
+ of swap slot free notifications or b) the number of pages freed
+ because of REQ_DISCARD requests sent by bio. The former ones
+ are sent to a swap block device when a swap slot is freed, which
+ implies that this disk is being used as a swap disk. The latter
+ ones are sent by filesystem mounted with discard option,
+ whenever some data blocks are getting discarded.
What: /sys/block/zram<id>/zero_pages
Date: August 2010
@@ -119,3 +122,22 @@ Description:
efficiency can be calculated using compr_data_size and this
statistic.
Unit: bytes
+
+What: /sys/block/zram<id>/mem_used_max
+Date: August 2014
+Contact: Minchan Kim <minchan@kernel.org>
+Description:
+ The mem_used_max file is read/write and specifies the amount
+ of maximum memory zram have consumed to store compressed data.
+ For resetting the value, you should write "0". Otherwise,
+ you could see -EINVAL.
+ Unit: bytes
+
+What: /sys/block/zram<id>/mem_limit
+Date: August 2014
+Contact: Minchan Kim <minchan@kernel.org>
+Description:
+ The mem_limit file is read/write and specifies the maximum
+ amount of memory ZRAM can use to store the compressed data. The
+ limit could be changed in run time and "0" means disable the
+ limit. No limit is the initial state. Unit: bytes
diff --git a/Documentation/ABI/testing/sysfs-bus-iio-accel-bmc150 b/Documentation/ABI/testing/sysfs-bus-iio-accel-bmc150
new file mode 100644
index 000000000000..99847a913af7
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-bus-iio-accel-bmc150
@@ -0,0 +1,7 @@
+What: /sys/bus/iio/devices/triggerX/name = "bmc150_accel-any-motion-devX"
+KernelVersion: 3.17
+Contact: linux-iio@vger.kernel.org
+Description:
+ The BMC150 accelerometer kernel module provides an additional trigger,
+ which sets driver in a mode, where data is pushed to the buffer
+ only when there is any motion.
diff --git a/Documentation/ABI/testing/sysfs-bus-iio-gyro-bmg160 b/Documentation/ABI/testing/sysfs-bus-iio-gyro-bmg160
new file mode 100644
index 000000000000..e98209c9155e
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-bus-iio-gyro-bmg160
@@ -0,0 +1,7 @@
+What: /sys/bus/iio/devices/triggerX/name = "bmg160-any-motion-devX"
+KernelVersion: 3.17
+Contact: linux-iio@vger.kernel.org
+Description:
+ The BMG160 gyro kernel module provides an additional trigger,
+ which sets driver in a mode, where data is pushed to the buffer
+ only when there is any motion.
diff --git a/Documentation/ABI/testing/sysfs-bus-pci b/Documentation/ABI/testing/sysfs-bus-pci
index 6615fda0abfb..ee6c04036492 100644
--- a/Documentation/ABI/testing/sysfs-bus-pci
+++ b/Documentation/ABI/testing/sysfs-bus-pci
@@ -65,6 +65,16 @@ Description:
force a rescan of all PCI buses in the system, and
re-discover previously removed devices.
+What: /sys/bus/pci/devices/.../msi_bus
+Date: September 2014
+Contact: Linux PCI developers <linux-pci@vger.kernel.org>
+Description:
+ Writing a zero value to this attribute disallows MSI and
+ MSI-X for any future drivers of the device. If the device
+ is a bridge, MSI and MSI-X will be disallowed for future
+ drivers of all child devices under the bridge. Drivers
+ must be reloaded for the new setting to take effect.
+
What: /sys/bus/pci/devices/.../msi_irqs/
Date: September, 2011
Contact: Neil Horman <nhorman@tuxdriver.com>
diff --git a/Documentation/ABI/testing/sysfs-class-net b/Documentation/ABI/testing/sysfs-class-net
index d322b0581194..e1b2e785bba8 100644
--- a/Documentation/ABI/testing/sysfs-class-net
+++ b/Documentation/ABI/testing/sysfs-class-net
@@ -159,7 +159,7 @@ Description:
lower-level interface protocol used. Ethernet devices will show
a 'mtu' attribute value of 1500 unless changed.
-What: /sys/calss/net/<iface>/netdev_group
+What: /sys/class/net/<iface>/netdev_group
Date: January 2011
KernelVersion: 2.6.39
Contact: netdev@vger.kernel.org
diff --git a/Documentation/ABI/testing/sysfs-class-uwb_rc b/Documentation/ABI/testing/sysfs-class-uwb_rc
index 6a5fd072849d..85f4875d16ac 100644
--- a/Documentation/ABI/testing/sysfs-class-uwb_rc
+++ b/Documentation/ABI/testing/sysfs-class-uwb_rc
@@ -43,6 +43,19 @@ Description:
Reading returns the currently active channel, or -1 if
the radio controller is not beaconing.
+What: /sys/class/uwb_rc/uwbN/ASIE
+Date: August 2014
+KernelVersion: 3.18
+Contact: linux-usb@vger.kernel.org
+Description:
+
+ The application-specific information element (ASIE)
+ included in this device's beacon, in space separated
+ hex octets.
+
+ Reading returns the current ASIE. Writing replaces
+ the current ASIE with the one written.
+
What: /sys/class/uwb_rc/uwbN/scan
Date: July 2008
KernelVersion: 2.6.27
diff --git a/Documentation/ABI/testing/sysfs-devices-memory b/Documentation/ABI/testing/sysfs-devices-memory
index 7405de26ee60..deef3b5723cf 100644
--- a/Documentation/ABI/testing/sysfs-devices-memory
+++ b/Documentation/ABI/testing/sysfs-devices-memory
@@ -61,6 +61,14 @@ Users: hotplug memory remove tools
http://www.ibm.com/developerworks/wikis/display/LinuxP/powerpc-utils
+What: /sys/devices/system/memory/memoryX/valid_zones
+Date: July 2014
+Contact: Zhang Zhen <zhenzhang.zhang@huawei.com>
+Description:
+ The file /sys/devices/system/memory/memoryX/valid_zones is
+ read-only and is designed to show which zone this memory
+ block can be onlined to.
+
What: /sys/devices/system/memoryX/nodeY
Date: October 2009
Contact: Linux Memory Management list <linux-mm@kvack.org>
diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs
index 62dd72522d6e..6f9157f16725 100644
--- a/Documentation/ABI/testing/sysfs-fs-f2fs
+++ b/Documentation/ABI/testing/sysfs-fs-f2fs
@@ -44,6 +44,13 @@ Description:
Controls the FS utilization condition for the in-place-update
policies.
+What: /sys/fs/f2fs/<disk>/min_fsync_blocks
+Date: September 2014
+Contact: "Jaegeuk Kim" <jaegeuk@kernel.org>
+Description:
+ Controls the dirty page count condition for the in-place-update
+ policies.
+
What: /sys/fs/f2fs/<disk>/max_small_discards
Date: November 2013
Contact: "Jaegeuk Kim" <jaegeuk.kim@samsung.com>
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.