diff options
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-mdio | 20 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-net | 199 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-net-mesh | 9 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-rc | 111 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-firmware-ofw | 28 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-fs-f2fs | 12 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-module | 1 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-ptp | 20 |
8 files changed, 400 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-mdio b/Documentation/ABI/testing/sysfs-bus-mdio index 6349749ebc2..491baaf4285 100644 --- a/Documentation/ABI/testing/sysfs-bus-mdio +++ b/Documentation/ABI/testing/sysfs-bus-mdio @@ -7,3 +7,23 @@ Description: by the device during bus enumeration, encoded in hexadecimal. This ID is used to match the device with the appropriate driver. + +What: /sys/bus/mdio_bus/devices/.../phy_interface +Date: February 2014 +KernelVersion: 3.15 +Contact: netdev@vger.kernel.org +Description: + This attribute contains the PHY interface as configured by the + Ethernet driver during bus enumeration, encoded in string. + This interface mode is used to configure the Ethernet MAC with the + appropriate mode for its data lines to the PHY hardware. + +What: /sys/bus/mdio_bus/devices/.../phy_has_fixups +Date: February 2014 +KernelVersion: 3.15 +Contact: netdev@vger.kernel.org +Description: + This attribute contains the boolean value whether a given PHY + device has had any "fixup" workaround running on it, encoded as + a boolean. This information is provided to help troubleshooting + PHY configurations. diff --git a/Documentation/ABI/testing/sysfs-class-net b/Documentation/ABI/testing/sysfs-class-net new file mode 100644 index 00000000000..d922060e455 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-net @@ -0,0 +1,199 @@ +What: /sys/class/net/<iface>/addr_assign_type +Date: July 2010 +KernelVersion: 3.2 +Contact: netdev@vger.kernel.org +Description: + Indicates the address assignment type. Possible values are: + 0: permanent address + 1: randomly generated + 2: stolen from another device + 3: set using dev_set_mac_address + +What: /sys/class/net/<iface>/addr_len +Date: April 2005 +KernelVersion: 2.6.12 +Contact: netdev@vger.kernel.org +Description: + Indicates the hardware address size in bytes. + Values vary based on the lower-level protocol used by the + interface (Ethernet, FDDI, ATM, IEEE 802.15.4...). See + include/uapi/linux/if_*.h for actual values. + +What: /sys/class/net/<iface>/address +Date: April 2005 +KernelVersion: 2.6.12 +Contact: netdev@vger.kernel.org +Description: + Hardware address currently assigned to this interface. + Format is a string, e.g: 00:11:22:33:44:55 for an Ethernet MAC + address. + +What: /sys/class/net/<iface>/broadcast +Date: April 2005 +KernelVersion: 2.6.12 +Contact: netdev@vger.kernel.org +Description: + Hardware broadcast address for this interface. Format is a + string, e.g: ff:ff:ff:ff:ff:ff for an Ethernet broadcast MAC + address. + +What: /sys/class/net/<iface>/carrier +Date: April 2005 +KernelVersion: 2.6.12 +Contact: netdev@vger.kernel.org +Description: + Indicates the current physical link state of the interface. + Posssible values are: + 0: physical link is down + 1: physical link is up + + Note: some special devices, e.g: bonding and team drivers will + allow this attribute to be written to force a link state for + operating correctly and designating another fallback interface. + +What: /sys/class/net/<iface>/dev_id +Date: April 2008 +KernelVersion: 2.6.26 +Contact: netdev@vger.kernel.org +Description: + Indicates the device unique identifier. Format is an hexadecimal + value. This is used to disambiguate interfaces which might be + stacked (e.g: VLAN interfaces) but still have the same MAC + address as their parent device. + +What: /sys/class/net/<iface>/dormant +Date: March 2006 +KernelVersion: 2.6.17 +Contact: netdev@vger.kernel.org +Description: + Indicates whether the interface is in dormant state. Possible + values are: + 0: interface is not dormant + 1: interface is dormant + + This attribute can be used by supplicant software to signal that + the device is not usable unless some supplicant-based + authentication is performed (e.g: 802.1x). 'link_mode' attribute + will also reflect the dormant state. + +What: /sys/clas/net/<iface>/duplex +Date: October 2009 +KernelVersion: 2.6.33 +Contact: netdev@vger.kernel.org +Description: + Indicates the interface latest or current duplex value. Possible + values are: + half: half duplex + full: full duplex + + Note: This attribute is only valid for interfaces that implement + the ethtool get_settings method (mostly Ethernet). + +What: /sys/class/net/<iface>/flags +Date: April 2005 +KernelVersion: 2.6.12 +Contact: netdev@vger.kernel.org +Description: + Indicates the interface flags as a bitmask in hexadecimal. See + include/uapi/linux/if.h for a list of all possible values and + the flags semantics. + +What: /sys/class/net/<iface>/ifalias +Date: September 2008 +KernelVersion: 2.6.28 +Contact: netdev@vger.kernel.org +Description: + Indicates/stores an interface alias name as a string. This can + be used for system management purposes. + +What: /sys/class/net/<iface>/ifindex +Date: April 2005 +KernelVersion: 2.6.12 +Contact: netdev@vger.kernel.org +Description: + Indicates the system-wide interface unique index identifier as a + decimal number. This attribute is used for mapping an interface + identifier to an interface name. It is used throughout the + networking stack for specifying the interface specific + requests/events. + +What: /sys/class/net/<iface>/iflink +Date: April 2005 +KernelVersion: 2.6.12 +Contact: netdev@vger.kernel.org +Description: + Indicates the system-wide interface unique index identifier a + the interface is linked to. Format is decimal. This attribute is + used to resolve interfaces chaining, linking and stacking. + Physical interfaces have the same 'ifindex' and 'iflink' values. + +What: /sys/class/net/<iface>/link_mode +Date: March 2006 +KernelVersion: 2.6.17 +Contact: netdev@vger.kernel.org +Description: + Indicates the interface link mode, as a decimal number. This + attribute should be used in conjunction with 'dormant' attribute + to determine the interface usability. Possible values: + 0: default link mode + 1: dormant link mode + +What: /sys/class/net/<iface>/mtu +Date: April 2005 +KernelVersion: 2.6.12 +Contact: netdev@vger.kernel.org +Description: + Indicates the interface currently configured MTU value, in + bytes, and in decimal format. Specific values depends on the + lower-level interface protocol used. Ethernet devices will show + a 'mtu' attribute value of 1500 unless changed. + +What: /sys/calss/net/<iface>/netdev_group +Date: January 2011 +KernelVersion: 2.6.39 +Contact: netdev@vger.kernel.org +Description: + Indicates the interface network device group, as a decimal + integer. Default value is 0 which corresponds to the initial + network devices group. The group can be changed to affect + routing decisions (see: net/ipv4/fib_rules and + net/ipv6/fib6_rules.c). + +What: /sys/class/net/<iface>/operstate +Date: March 2006 +KernelVersion: 2.6.17 +Contact: netdev@vger.kernel.org +Description: + Indicates the interface RFC2863 operational state as a string. + Possible values are: + "unknown", "notpresent", "down", "lowerlayerdown", "testing", + "dormant", "up". + +What: /sys/class/net/<iface>/speed +Date: October 2009 +KernelVersion: 2.6.33 +Contact: netdev@vger.kernel.org +Description: + Indicates the interface latest or current speed value. Value is + an integer representing the link speed in Mbits/sec. + + Note: this attribute is only valid for interfaces that implement + the ethtool get_settings method (mostly Ethernet ). + +What: /sys/class/net/<iface>/tx_queue_len +Date: April 2005 +KernelVersion: 2.6.12 +Contact: netdev@vger.kernel.org +Description: + Indicates the interface transmit queue len in number of packets, + as an integer value. Value depend on the type of interface, + Ethernet network adapters have a default value of 1000 unless + configured otherwise + +What: /sys/class/net/<iface>/type +Date: April 2005 +KernelVersion: 2.6.12 +Contact: netdev@vger.kernel.org +Description: + Indicates the interface protocol type as a decimal value. See + include/uapi/linux/if_arp.h for all possible values. diff --git a/Documentation/ABI/testing/sysfs-class-net-mesh b/Documentation/ABI/testing/sysfs-class-net-mesh index 4793d3dff6a..c4640629663 100644 --- a/Documentation/ABI/testing/sysfs-class-net-mesh +++ b/Documentation/ABI/testing/sysfs-class-net-mesh @@ -76,6 +76,15 @@ Description: is used to classify clients as "isolated" by the Extended Isolation feature. +What: /sys/class/net/<mesh_iface>/mesh/multicast_mode +Date: Feb 2014 +Contact: Linus Lüssing <linus.luessing@web.de> +Description: + Indicates whether multicast optimizations are enabled + or disabled. If set to zero then all nodes in the + mesh are going to use classic flooding for any + multicast packet with no optimizations. + What: /sys/class/net/<mesh_iface>/mesh/network_coding Date: Nov 2012 Contact: Martin Hundeboll <martin@hundeboll.net> diff --git a/Documentation/ABI/testing/sysfs-class-rc b/Documentation/ABI/testing/sysfs-class-rc new file mode 100644 index 00000000000..b65674da43b --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-rc @@ -0,0 +1,111 @@ +What: /sys/class/rc/ +Date: Apr 2010 +KernelVersion: 2.6.35 +Contact: Mauro Carvalho Chehab <m.chehab@samsung.com> +Description: + The rc/ class sub-directory belongs to the Remote Controller + core and provides a sysfs interface for configuring infrared + remote controller receivers. + +What: /sys/class/rc/rcN/ +Date: Apr 2010 +KernelVersion: 2.6.35 +Contact: Mauro Carvalho Chehab <m.chehab@samsung.com> +Description: + A /sys/class/rc/rcN directory is created for each remote + control receiver device where N is the number of the receiver. + +What: /sys/class/rc/rcN/protocols +Date: Jun 2010 +KernelVersion: 2.6.36 +Contact: Mauro Carvalho Chehab <m.chehab@samsung.com> +Description: + Reading this file returns a list of available protocols, + something like: + "rc5 [rc6] nec jvc [sony]" + Enabled protocols are shown in [] brackets. + Writing "+proto" will add a protocol to the list of enabled + protocols. + Writing "-proto" will remove a protocol from the list of enabled + protocols. + Writing "proto" will enable only "proto". + Writing "none" will disable all protocols. + Write fails with EINVAL if an invalid protocol combination or + unknown protocol name is used. + +What: /sys/class/rc/rcN/filter +Date: Jan 2014 +KernelVersion: 3.15 +Contact: Mauro Carvalho Chehab <m.chehab@samsung.com> +Description: + Sets the scancode filter expected value. + Use in combination with /sys/class/rc/rcN/filter_mask to set the + expected value of the bits set in the filter mask. + If the hardware supports it then scancodes which do not match + the filter will be ignored. Otherwise the write will fail with + an error. + This value may be reset to 0 if the current protocol is altered. + +What: /sys/class/rc/rcN/filter_mask +Date: Jan 2014 +KernelVersion: 3.15 +Contact: Mauro Carvalho Chehab <m.chehab@samsung.com> +Description: + Sets the scancode filter mask of bits to compare. + Use in combination with /sys/class/rc/rcN/filter to set the bits + of the scancode which should be compared against the expected + value. A value of 0 disables the filter to allow all valid + scancodes to be processed. + If the hardware supports it then scancodes which do not match + the filter will be ignored. Otherwise the write will fail with + an error. + This value may be reset to 0 if the current protocol is altered. + +What: /sys/class/rc/rcN/wakeup_protocols +Date: Feb 2014 +KernelVersion: 3.15 +Contact: Mauro Carvalho Chehab <m.chehab@samsung.com> +Description: + Reading this file returns a list of available protocols to use + for the wakeup filter, something like: + "rc5 rc6 nec jvc [sony]" + The enabled wakeup protocol is shown in [] brackets. + Writing "+proto" will add a protocol to the list of enabled + wakeup protocols. + Writing "-proto" will remove a protocol from the list of enabled + wakeup protocols. + Writing "proto" will use "proto" for wakeup events. + Writing "none" will disable wakeup. + Write fails with EINVAL if an invalid protocol combination or + unknown protocol name is used, or if wakeup is not supported by + the hardware. + +What: /sys/class/rc/rcN/wakeup_filter +Date: Jan 2014 +KernelVersion: 3.15 +Contact: Mauro Carvalho Chehab <m.chehab@samsung.com> +Description: + Sets the scancode wakeup filter expected value. + Use in combination with /sys/class/rc/rcN/wakeup_filter_mask to + set the expected value of the bits set in the wakeup filter mask + to trigger a system wake event. + If the hardware supports it and wakeup_filter_mask is not 0 then + scancodes which match the filter will wake the system from e.g. + suspend to RAM or power off. + Otherwise the write will fail with an error. + This value may be reset to 0 if the wakeup protocol is altered. + +What: /sys/class/rc/rcN/wakeup_filter_mask +Date: Jan 2014 +KernelVersion: 3.15 +Contact: Mauro Carvalho Chehab <m.chehab@samsung.com> +Description: + Sets the scancode wakeup filter mask of bits to compare. + Use in combination with /sys/class/rc/rcN/wakeup_filter to set + the bits of the scancode which should be compared against the + expected value to trigger a system wake event. + If the hardware supports it and wakeup_filter_mask is not 0 then + scancodes which match the filter will wake the system from e.g. + suspend to RAM or power off. + Otherwise the write will fail with an error. + This value may be reset to 0 if the wakeup protocol is altered. diff --git a/Documentation/ABI/testing/sysfs-firmware-ofw b/Documentation/ABI/testing/sysfs-firmware-ofw new file mode 100644 index 00000000000..f562b188e71 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-firmware-ofw @@ -0,0 +1,28 @@ +What: /sys/firmware/devicetree/* +Date: November 2013 +Contact: Grant Likely <grant.likely@linaro.org> +Description: + When using OpenFirmware or a Flattened Device Tree to enumerate + hardware, the device tree structure will be exposed in this + directory. + + It is possible for multiple device-tree directories to exist. + Some device drivers use a separate detached device tree which + have no attachment to the system tree and will appear in a + different subdirectory under /sys/firmware/devicetree. + + Userspace must not use the /sys/firmware/devicetree/base + path directly, but instead should follow /proc/device-tree + symlink. It is possible that the absolute path will change + in the future, but the symlink is the stable ABI. + + The /proc/device-tree symlink replaces the devicetree /proc + filesystem support, and has largely the same semantics and + should be compatible with existing userspace. + + The contents of /sys/firmware/devicetree/ is a + hierarchy of directories, one per device tree node. The + directory name is the resolved path component name (node + name plus address). Properties are represented as files + in the directory. The contents of each file is the exact + binary data from the device tree. diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs index 32b0809203d..62dd72522d6 100644 --- a/Documentation/ABI/testing/sysfs-fs-f2fs +++ b/Documentation/ABI/testing/sysfs-fs-f2fs @@ -55,3 +55,15 @@ Date: January 2014 Contact: "Jaegeuk Kim" <jaegeuk.kim@samsung.com> Description: Controls the number of trials to find a victim segment. + +What: /sys/fs/f2fs/<disk>/dir_level +Date: March 2014 +Contact: "Jaegeuk Kim" <jaegeuk.kim@samsung.com> +Description: + Controls the directory level for large directory. + +What: /sys/fs/f2fs/<disk>/ram_thresh +Date: March 2014 +Contact: "Jaegeuk Kim" <jaegeuk.kim@samsung.com> +Description: + Controls the memory footprint used by f2fs. diff --git a/Documentation/ABI/testing/sysfs-module b/Documentation/ABI/testing/sysfs-module index 47064c2b1f7..0aac02e7fb0 100644 --- a/Documentation/ABI/testing/sysfs-module +++ b/Documentation/ABI/testing/sysfs-module @@ -49,3 +49,4 @@ Description: Module taint flags: O - out-of-tree module F - force-loaded module C - staging driver module + E - unsigned module diff --git a/Documentation/ABI/testing/sysfs-ptp b/Documentation/ABI/testing/sysfs-ptp index 05aeedf1779..44806a678f1 100644 --- a/Documentation/ABI/testing/sysfs-ptp +++ b/Documentation/ABI/testing/sysfs-ptp @@ -54,6 +54,26 @@ Description: This file contains the number of programmable periodic output channels offered by the PTP hardware clock. +What: /sys/class/ptp/ptpN/n_pins +Date: March 2014 +Contact: Richard Cochran <richardcochran@gmail.com> +Description: + This file contains the number of programmable pins + offered by the PTP hardware clock. + +What: /sys/class/ptp/ptpN/pins +Date: March 2014 +Contact: Richard Cochran <richardcochran@gmail.com> +Description: + This directory contains one file for each programmable + pin offered by the PTP hardware clock. The file name + is the hardware dependent pin name. Reading from this + file produces two numbers, the assigned function (see + the PTP_PF_ enumeration values in linux/ptp_clock.h) + and the channel number. The function and channel + assignment may be changed by two writing numbers into + the file. + What: /sys/class/ptp/ptpN/pps_avaiable Date: September 2010 Contact: Richard Cochran <richardcochran@gmail.com> |