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Commit 552c69b3 authored by John Johansen's avatar John Johansen
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Merge tag 'v4.17-rc3' into apparmor-next 

Linux v4.17-rc3

Merge in v4.17 for LSM updates
Signed-off-by: default avatarJohn Johansen <john.johansen@canonical.com>
parents 588558eb 6da6c0db
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......@@ -11,6 +11,7 @@
#
.*
*.a
*.asn1.[ch]
*.bin
*.bz2
*.c.[012]*.*
......@@ -22,6 +23,7 @@
*.gz
*.i
*.ko
*.lex.c
*.ll
*.lst
*.lz4
......@@ -37,6 +39,7 @@
*.so.dbg
*.su
*.symtypes
*.tab.[ch]
*.tar
*.xz
Module.symvers
......@@ -65,6 +68,11 @@ modules.builtin
#
/debian/
#
# Snap directory (make snap-pkg)
#
/snap/
#
# tar directory (make tar*-pkg)
#
......@@ -76,12 +84,14 @@ modules.builtin
!.gitignore
!.mailmap
!.cocciconfig
!.clang-format
#
# Generated include files
#
include/config
include/generated
include/ksym
arch/*/include/generated
# stgit generated dirs
......
.mailmap
View file @ 552c69b3
......@@ -18,6 +18,7 @@ Aleksey Gorelov <aleksey_gorelov@phoenix.com>
Aleksandar Markovic <aleksandar.markovic@mips.com> <aleksandar.markovic@imgtec.com>
Al Viro <viro@ftp.linux.org.uk>
Al Viro <viro@zenIV.linux.org.uk>
Andi Shyti <andi@etezian.org> <andi.shyti@samsung.com>
Andreas Herrmann <aherrman@de.ibm.com>
Andrey Ryabinin <ryabinin.a.a@gmail.com> <a.ryabinin@samsung.com>
Andrew Morton <akpm@linux-foundation.org>
......@@ -33,9 +34,9 @@ Axel Lin <axel.lin@gmail.com>
Ben Gardner <bgardner@wabtec.com>
Ben M Cahill <ben.m.cahill@intel.com>
Björn Steinbrink <B.Steinbrink@gmx.de>
Boris Brezillon <boris.brezillon@free-electrons.com>
Boris Brezillon <boris.brezillon@free-electrons.com> <b.brezillon.dev@gmail.com>
Boris Brezillon <boris.brezillon@free-electrons.com> <b.brezillon@overkiz.com>
Boris Brezillon <boris.brezillon@bootlin.com> <boris.brezillon@free-electrons.com>
Boris Brezillon <boris.brezillon@bootlin.com> <b.brezillon.dev@gmail.com>
Boris Brezillon <boris.brezillon@bootlin.com> <b.brezillon@overkiz.com>
Brian Avery <b.avery@hp.com>
Brian King <brking@us.ibm.com>
Christoph Hellwig <hch@lst.de>
......@@ -62,6 +63,7 @@ Frank Zago <fzago@systemfabricworks.com>
Greg Kroah-Hartman <greg@echidna.(none)>
Greg Kroah-Hartman <gregkh@suse.de>
Greg Kroah-Hartman <greg@kroah.com>
Gregory CLEMENT <gregory.clement@bootlin.com> <gregory.clement@free-electrons.com>
Henk Vergonet <Henk.Vergonet@gmail.com>
Henrik Kretzschmar <henne@nachtwindheim.de>
Henrik Rydberg <rydberg@bitmath.org>
......@@ -100,6 +102,8 @@ Koushik <raghavendra.koushik@neterion.com>
Krzysztof Kozlowski <krzk@kernel.org> <k.kozlowski@samsung.com>
Krzysztof Kozlowski <krzk@kernel.org> <k.kozlowski.k@gmail.com>
Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Leon Romanovsky <leon@kernel.org> <leon@leon.nu>
Leon Romanovsky <leon@kernel.org> <leonro@mellanox.com>
Leonid I Ananiev <leonid.i.ananiev@intel.com>
Linas Vepstas <linas@austin.ibm.com>
Linus Lüssing <linus.luessing@c0d3.blue> <linus.luessing@web.de>
......@@ -126,6 +130,7 @@ Mayuresh Janorkar <mayur@ti.com>
Michael Buesch <m@bues.ch>
Michel Dänzer <michel@tungstengraphics.com>
Miodrag Dinic <miodrag.dinic@mips.com> <miodrag.dinic@imgtec.com>
Miquel Raynal <miquel.raynal@bootlin.com> <miquel.raynal@free-electrons.com>
Mitesh shah <mshah@teja.com>
Mohit Kumar <mohit.kumar@st.com> <mohit.kumar.dhaka@gmail.com>
Morten Welinder <terra@gnome.org>
......
COPYING
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CREDITS
View file @ 552c69b3
......@@ -1564,6 +1564,11 @@ W: http://www.carumba.com/
D: bug toaster (A1 sauce makes all the difference)
D: Random linux hacker
N: James Hogan
E: jhogan@kernel.org
D: Metag architecture maintainer
D: TZ1090 SoC maintainer
N: Tim Hockin
E: thockin@hockin.org
W: http://www.hockin.org/~thockin
......
Documentation/00-INDEX
View file @ 552c69b3
......@@ -66,8 +66,6 @@ backlight/
- directory with info on controlling backlights in flat panel displays
bcache.txt
- Block-layer cache on fast SSDs to improve slow (raid) I/O performance.
blackfin/
- directory with documentation for the Blackfin arch.
block/
- info on the Block I/O (BIO) layer.
blockdev/
......@@ -114,8 +112,6 @@ cputopology.txt
- documentation on how CPU topology info is exported via sysfs.
crc32.txt
- brief tutorial on CRC computation
cris/
- directory with info about Linux on CRIS architecture.
crypto/
- directory with info on the Crypto API.
dcdbas.txt
......@@ -172,8 +168,6 @@ fmc/
- information about the FMC bus abstraction
fpga/
- FPGA Manager Core.
frv/
- Fujitsu FR-V Linux documentation.
futex-requeue-pi.txt
- info on requeueing of tasks from a non-PI futex to a PI futex
gcc-plugins.txt
......@@ -228,8 +222,6 @@ isdn/
- directory with info on the Linux ISDN support, and supported cards.
kbuild/
- directory with info about the kernel build process.
kernel-doc-nano-HOWTO.txt
- outdated info about kernel-doc documentation.
kdump/
- directory with mini HowTo on getting the crash dump code to work.
doc-guide/
......@@ -278,8 +270,6 @@ memory-hotplug.txt
- Hotpluggable memory support, how to use and current status.
men-chameleon-bus.txt
- info on MEN chameleon bus.
metag/
- directory with info about Linux on Meta architecture.
mic/
- Intel Many Integrated Core (MIC) architecture device driver.
mips/
......@@ -288,8 +278,6 @@ misc-devices/
- directory with info about devices using the misc dev subsystem
mmc/
- directory with info about the MMC subsystem
mn10300/
- directory with info about the mn10300 architecture port
mtd/
- directory with info about memory technology devices (flash)
namespaces/
......@@ -346,8 +334,6 @@ prctl/
- directory with info on the priveledge control subsystem
preempt-locking.txt
- info on locking under a preemptive kernel.
printk-formats.txt
- how to get printk format specifiers right
process/
- how to work with the mainline kernel development process.
pps/
......
Documentation/ABI/stable/sysfs-bus-vmbus
View file @ 552c69b3
......@@ -42,72 +42,100 @@ Contact: K. Y. Srinivasan <kys@microsoft.com>
Description: The 16 bit vendor ID of the device
Users: tools/hv/lsvmbus and user level RDMA libraries
What: /sys/bus/vmbus/devices/vmbus_*/channels/relid/cpu
What: /sys/bus/vmbus/devices/vmbus_*/channels/NN
Date: September. 2017
KernelVersion: 4.14
Contact: Stephen Hemminger <sthemmin@microsoft.com>
Description: Directory for per-channel information
NN is the VMBUS relid associtated with the channel.
What: /sys/bus/vmbus/devices/vmbus_*/channels/NN/cpu
Date: September. 2017
KernelVersion: 4.14
Contact: Stephen Hemminger <sthemmin@microsoft.com>
Description: VCPU (sub)channel is affinitized to
Users: tools/hv/lsvmbus and other debuggig tools
Users: tools/hv/lsvmbus and other debugging tools
What: /sys/bus/vmbus/devices/vmbus_*/channels/relid/cpu
What: /sys/bus/vmbus/devices/vmbus_*/channels/NN/cpu
Date: September. 2017
KernelVersion: 4.14
Contact: Stephen Hemminger <sthemmin@microsoft.com>
Description: VCPU (sub)channel is affinitized to
Users: tools/hv/lsvmbus and other debuggig tools
Users: tools/hv/lsvmbus and other debugging tools
What: /sys/bus/vmbus/devices/vmbus_*/channels/relid/in_mask
What: /sys/bus/vmbus/devices/vmbus_*/channels/NN/in_mask
Date: September. 2017
KernelVersion: 4.14
Contact: Stephen Hemminger <sthemmin@microsoft.com>
Description: Inbound channel signaling state
Description: Host to guest channel interrupt mask
Users: Debugging tools
What: /sys/bus/vmbus/devices/vmbus_*/channels/relid/latency
What: /sys/bus/vmbus/devices/vmbus_*/channels/NN/latency
Date: September. 2017
KernelVersion: 4.14
Contact: Stephen Hemminger <sthemmin@microsoft.com>
Description: Channel signaling latency
Users: Debugging tools
What: /sys/bus/vmbus/devices/vmbus_*/channels/relid/out_mask
What: /sys/bus/vmbus/devices/vmbus_*/channels/NN/out_mask
Date: September. 2017
KernelVersion: 4.14
Contact: Stephen Hemminger <sthemmin@microsoft.com>
Description: Outbound channel signaling state
Description: Guest to host channel interrupt mask
Users: Debugging tools
What: /sys/bus/vmbus/devices/vmbus_*/channels/relid/pending
What: /sys/bus/vmbus/devices/vmbus_*/channels/NN/pending
Date: September. 2017
KernelVersion: 4.14
Contact: Stephen Hemminger <sthemmin@microsoft.com>
Description: Channel interrupt pending state
Users: Debugging tools
What: /sys/bus/vmbus/devices/vmbus_*/channels/relid/read_avail
What: /sys/bus/vmbus/devices/vmbus_*/channels/NN/read_avail
Date: September. 2017
KernelVersion: 4.14
Contact: Stephen Hemminger <sthemmin@microsoft.com>
Description: Bytes availabble to read
Description: Bytes available to read
Users: Debugging tools
What: /sys/bus/vmbus/devices/vmbus_*/channels/relid/write_avail
What: /sys/bus/vmbus/devices/vmbus_*/channels/NN/write_avail
Date: September. 2017
KernelVersion: 4.14
Contact: Stephen Hemminger <sthemmin@microsoft.com>
Description: Bytes availabble to write
Description: Bytes available to write
Users: Debugging tools
What: /sys/bus/vmbus/devices/vmbus_*/channels/relid/events
What: /sys/bus/vmbus/devices/vmbus_*/channels/NN/events
Date: September. 2017
KernelVersion: 4.14
Contact: Stephen Hemminger <sthemmin@microsoft.com>
Description: Number of times we have signaled the host
Users: Debugging tools
What: /sys/bus/vmbus/devices/vmbus_*/channels/relid/interrupts
What: /sys/bus/vmbus/devices/vmbus_*/channels/NN/interrupts
Date: September. 2017
KernelVersion: 4.14
Contact: Stephen Hemminger <sthemmin@microsoft.com>
Description: Number of times we have taken an interrupt (incoming)
Users: Debugging tools
What: /sys/bus/vmbus/devices/vmbus_*/channels/NN/subchannel_id
Date: January. 2018
KernelVersion: 4.16
Contact: Stephen Hemminger <sthemmin@microsoft.com>
Description: Subchannel ID associated with VMBUS channel
Users: Debugging tools and userspace drivers
What: /sys/bus/vmbus/devices/vmbus_*/channels/NN/monitor_id
Date: January. 2018
KernelVersion: 4.16
Contact: Stephen Hemminger <sthemmin@microsoft.com>
Description: Monitor bit associated with channel
Users: Debugging tools and userspace drivers
What: /sys/bus/vmbus/devices/vmbus_*/channels/NN/ring
Date: January. 2018
KernelVersion: 4.16
Contact: Stephen Hemminger <sthemmin@microsoft.com>
Description: Binary file created by uio_hv_generic for ring buffer
Users: Userspace drivers
Documentation/ABI/stable/sysfs-class-infiniband 0 → 100644
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Documentation/ABI/testing/debugfs-cec-error-inj 0 → 100644
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What: /sys/kernel/debug/cec/*/error-inj
Date: March 2018
Contact: Hans Verkuil <hans.verkuil@cisco.com>
Description:
The CEC Framework allows for CEC error injection commands through
debugfs. Drivers that support this will create an error-inj file
through which the error injection commands can be given.
The basic syntax is as follows:
Leading spaces/tabs are ignored. If the next character is a '#' or the
end of the line was reached, then the whole line is ignored. Otherwise
a command is expected.
It is up to the driver to decide what commands to implement. The only
exception is that the command 'clear' without any arguments must be
implemented and that it will remove all current error injection
commands.
This ensures that you can always do 'echo clear >error-inj' to clear any
error injections without having to know the details of the driver-specific
commands.
Note that the output of 'error-inj' shall be valid as input to 'error-inj'.
So this must work:
$ cat error-inj >einj.txt
$ cat einj.txt >error-inj
Other than these basic rules described above this ABI is not considered
stable and may change in the future.
Drivers that implement this functionality must document the commands as
part of the CEC documentation and must keep that documentation up to date
when changes are made.
The following CEC error injection implementations exist:
- Documentation/media/uapi/cec/cec-pin-error-inj.rst
Documentation/ABI/testing/devlink-resource-mlxsw 0 → 100644
View file @ 552c69b3
What: /kvd/
Date: 08-Jan-2018
KernelVersion: v4.16
Contact: mlxsw@mellanox.com
Description: The main database in the Spectrum device is a centralized
KVD database used for many of the tables used to configure
the chip including L2 FDB, L3 LPM, ECMP and more. The KVD
is divided into two sections, the first is hash-based table
and the second is a linear access table. The division
between the linear and hash-based sections is static and
require reload before the changes take effect.
What: /kvd/linear
Date: 08-Jan-2018
KernelVersion: v4.16
Contact: mlxsw@mellanox.com
Description: The linear section of the KVD is managed by software as a
flat memory accessed using an index.
What: /kvd/hash_single
Date: 08-Jan-2018
KernelVersion: v4.16
Contact: mlxsw@mellanox.com
Description: The hash based section of the KVD is managed by the switch
device. Used in case the key size is smaller or equal to
64bit.
What: /kvd/hash_double
Date: 08-Jan-2018
KernelVersion: v4.16
Contact: mlxsw@mellanox.com
Description: The hash based section of the KVD is managed by the switch
device. Used in case the key is larger than 64 bit.
Documentation/ABI/testing/evm
View file @ 552c69b3
......@@ -14,30 +14,46 @@ Description:
generated either locally or remotely using an
asymmetric key. These keys are loaded onto root's
keyring using keyctl, and EVM is then enabled by
echoing a value to <securityfs>/evm:
echoing a value to <securityfs>/evm made up of the
following bits:
1: enable HMAC validation and creation
2: enable digital signature validation
3: enable HMAC and digital signature validation and HMAC
creation
Bit Effect
0 Enable HMAC validation and creation
1 Enable digital signature validation
2 Permit modification of EVM-protected metadata at
runtime. Not supported if HMAC validation and
creation is enabled.
31 Disable further runtime modification of EVM policy
Further writes will be blocked if HMAC support is enabled or
if bit 32 is set:
For example:
echo 0x80000002 ><securityfs>/evm
echo 1 ><securityfs>/evm
will enable digital signature validation and block
further writes to <securityfs>/evm.
will enable HMAC validation and creation
Until this is done, EVM can not create or validate the
'security.evm' xattr, but returns INTEGRITY_UNKNOWN.
Loading keys and signaling EVM should be done as early
as possible. Normally this is done in the initramfs,
which has already been measured as part of the trusted
boot. For more information on creating and loading
existing trusted/encrypted keys, refer to:
echo 0x80000003 ><securityfs>/evm
Documentation/security/keys/trusted-encrypted.rst. Both dracut
(via 97masterkey and 98integrity) and systemd (via
will enable HMAC and digital signature validation and
HMAC creation and disable all further modification of policy.
echo 0x80000006 ><securityfs>/evm
will enable digital signature validation, permit
modification of EVM-protected metadata and
disable all further modification of policy
Note that once a key has been loaded, it will no longer be
possible to enable metadata modification.
Until key loading has been signaled EVM can not create
or validate the 'security.evm' xattr, but returns
INTEGRITY_UNKNOWN. Loading keys and signaling EVM
should be done as early as possible. Normally this is
done in the initramfs, which has already been measured
as part of the trusted boot. For more information on
creating and loading existing trusted/encrypted keys,
refer to:
Documentation/security/keys/trusted-encrypted.rst. Both
dracut (via 97masterkey and 98integrity) and systemd (via
core/ima-setup) have support for loading keys at boot
time.
Documentation/ABI/testing/ima_policy
View file @ 552c69b3
......@@ -17,7 +17,8 @@ Description:
rule format: action [condition ...]
action: measure | dont_measure | appraise | dont_appraise | audit
action: measure | dont_measure | appraise | dont_appraise |
audit | hash | dont_hash
condition:= base | lsm [option]
base: [[func=] [mask=] [fsmagic=] [fsuuid=] [uid=]
[euid=] [fowner=]]
......@@ -25,7 +26,7 @@ Description:
[obj_user=] [obj_role=] [obj_type=]]
option: [[appraise_type=]] [permit_directio]
base: func:= [BPRM_CHECK][MMAP_CHECK][FILE_CHECK][MODULE_CHECK]
base: func:= [BPRM_CHECK][MMAP_CHECK][CREDS_CHECK][FILE_CHECK][MODULE_CHECK]
[FIRMWARE_CHECK]
[KEXEC_KERNEL_CHECK] [KEXEC_INITRAMFS_CHECK]
mask:= [[^]MAY_READ] [[^]MAY_WRITE] [[^]MAY_APPEND]
......
Documentation/ABI/testing/rtc-cdev 0 → 100644
View file @ 552c69b3
What: /dev/rtcX
Date: April 2005
KernelVersion: 2.6.12
Contact: linux-rtc@vger.kernel.org
Description:
The ioctl interface to drivers for real-time clocks (RTCs).
Following actions are supported:
* RTC_RD_TIME, RTC_SET_TIME: Read or set the RTC time. Time
format is a Gregorian calendar date and 24 hour wall clock
time.
* RTC_AIE_ON, RTC_AIE_OFF: Enable or disable the alarm interrupt
for RTCs that support alarms
* RTC_ALM_READ, RTC_ALM_SET: Read or set the alarm time for
RTCs that support alarms. Can be set upto 24 hours in the
future. Requires a separate RTC_AIE_ON call to enable the
alarm interrupt. (Prefer to use RTC_WKALM_*)
* RTC_WKALM_RD, RTC_WKALM_SET: For RTCs that support a more
powerful interface, which can issue alarms beyond 24 hours and
enable IRQs in the same request.
* RTC_PIE_ON, RTC_PIE_OFF: Enable or disable the periodic
interrupt for RTCs that support periodic interrupts.
* RTC_UIE_ON, RTC_UIE_OFF: Enable or disable the update
interrupt for RTCs that support it.
* RTC_IRQP_READ, RTC_IRQP_SET: Read or set the frequency for
periodic interrupts for RTCs that support periodic interrupts.
Requires a separate RTC_PIE_ON call to enable the periodic
interrupts.
The ioctl() calls supported by the older /dev/rtc interface are
also supported by the newer RTC class framework. However,
because the chips and systems are not standardized, some PC/AT
functionality might not be provided. And in the same way, some
newer features -- including those enabled by ACPI -- are exposed
by the RTC class framework, but can't be supported by the older
driver.
Documentation/ABI/testing/sysfs-ata
View file @ 552c69b3
What: /sys/class/ata_...
Date: August 2008
Contact: Gwendal Grignou<gwendal@google.com>
Description:
Provide a place in sysfs for storing the ATA topology of the system. This allows
retrieving various information about ATA objects.
Provide a place in sysfs for storing the ATA topology of the
system. This allows retrieving various information about ATA
objects.
Files under /sys/class/ata_port
-------------------------------
For each port, a directory ataX is created where X is the ata_port_id of
the port. The device parent is the ata host device.
For each port, a directory ataX is created where X is the ata_port_id of the
port. The device parent is the ata host device.
idle_irq (read)
Number of IRQ received by the port while idle [some ata HBA only].
What: /sys/class/ata_port/ataX/nr_pmp_links
What: /sys/class/ata_port/ataX/idle_irq
Date: May, 2010
KernelVersion: v2.6.37
Contact: Gwendal Grignou <gwendal@chromium.org>
Description:
nr_pmp_links: (RO) If a SATA Port Multiplier (PM) is
connected, the number of links behind it.
nr_pmp_links (read)
idle_irq: (RO) Number of IRQ received by the port while
idle [some ata HBA only].
If a SATA Port Multiplier (PM) is connected, number of link behind it.
What: /sys/class/ata_port/ataX/port_no
Date: May, 2013
KernelVersion: v3.11
Contact: Gwendal Grignou <gwendal@chromium.org>
Description:
(RO) Host local port number. While registering host controller,
port numbers are tracked based upon number of ports available on
the controller. This attribute is needed by udev for composing
persistent links in /dev/disk/by-path.
Files under /sys/class/ata_link
-------------------------------
Behind each port, there is a ata_link. If there is a SATA PM in the
topology, 15 ata_link objects are created.
If a link is behind a port, the directory name is linkX, where X is
ata_port_id of the port.
If a link is behind a PM, its name is linkX.Y where X is ata_port_id
of the parent port and Y the PM port.
Behind each port, there is a ata_link. If there is a SATA PM in the topology, 15
ata_link objects are created.
hw_sata_spd_limit
If a link is behind a port, the directory name is linkX, where X is ata_port_id
of the port. If a link is behind a PM, its name is linkX.Y where X is
ata_port_id of the parent port and Y the PM port.
Maximum speed supported by the connected SATA device.
sata_spd_limit
What: /sys/class/ata_link/linkX[.Y]/hw_sata_spd_limit
What: /sys/class/ata_link/linkX[.Y]/sata_spd_limit
What: /sys/class/ata_link/linkX[.Y]/sata_spd
Date: May, 2010
KernelVersion: v2.6.37
Contact: Gwendal Grignou <gwendal@chromium.org>
Description:
hw_sata_spd_limit: (RO) Maximum speed supported by the
connected SATA device.
Maximum speed imposed by libata.
sata_spd_limit: (RO) Maximum speed imposed by libata.
sata_spd
sata_spd: (RO) Current speed of the link
eg. 1.5, 3 Gbps etc.
Current speed of the link [1.5, 3Gps,...].
Files under /sys/class/ata_device
---------------------------------
Behind each link, up to two ata device are created.
The name of the directory is devX[.Y].Z where:
- X is ata_port_id of the port where the device is connected,
- Y the port of the PM if any, and
- Z the device id: for PATA, there is usually 2 devices [0,1],
only 1 for SATA.
class
Device class. Can be "ata" for disk, "atapi" for packet device,
"pmp" for PM, or "none" if no device was found behind the link.
dma_mode
Behind each link, up to two ata devices are created.
The name of the directory is devX[.Y].Z where:
- X is ata_port_id of the port where the device is connected,
- Y the port of the PM if any, and
- Z the device id: for PATA, there is usually 2 devices [0,1], only 1 for SATA.
What: /sys/class/ata_device/devX[.Y].Z/spdn_cnt
What: /sys/class/ata_device/devX[.Y].Z/gscr
What: /sys/class/ata_device/devX[.Y].Z/ering
What: /sys/class/ata_device/devX[.Y].Z/id
What: /sys/class/ata_device/devX[.Y].Z/pio_mode
What: /sys/class/ata_device/devX[.Y].Z/xfer_mode
What: /sys/class/ata_device/devX[.Y].Z/dma_mode
What: /sys/class/ata_device/devX[.Y].Z/class
Date: May, 2010
KernelVersion: v2.6.37
Contact: Gwendal Grignou <gwendal@chromium.org>
Description:
spdn_cnt: (RO) Number of times libata decided to lower the
speed of link due to errors.
Transfer modes supported by the device when in DMA mode.
Mostly used by PATA device.
gscr: (RO) Cached result of the dump of PM GSCR
register. Valid registers are:
pio_mode
0: SATA_PMP_GSCR_PROD_ID,
1: SATA_PMP_GSCR_REV,
2: SATA_PMP_GSCR_PORT_INFO,
32: SATA_PMP_GSCR_ERROR,
33: SATA_PMP_GSCR_ERROR_EN,
64: SATA_PMP_GSCR_FEAT,
96: SATA_PMP_GSCR_FEAT_EN,
130: SATA_PMP_GSCR_SII_GPIO
Transfer modes supported by the device when in PIO mode.
Mostly used by PATA device.
Only valid if the device is a PM.
xfer_mode
ering: (RO) Formatted output of the error ring of the
device.
Current transfer mode.
id: (RO) Cached result of IDENTIFY command, as
described in ATA8 7.16 and 7.17. Only valid if
the device is not a PM.
id
pio_mode: (RO) Transfer modes supported by the device when
in PIO mode. Mostly used by PATA device.
Cached result of IDENTIFY command, as described in ATA8 7.16 and 7.17.
Only valid if the device is not a PM.
xfer_mode: (RO) Current transfer mode
gscr
dma_mode: (RO) Transfer modes supported by the device when
in DMA mode. Mostly used by PATA device.
Cached result of the dump of PM GSCR register.
Valid registers are:
0: SATA_PMP_GSCR_PROD_ID,
1: SATA_PMP_GSCR_REV,
2: SATA_PMP_GSCR_PORT_INFO,
32: SATA_PMP_GSCR_ERROR,
33: SATA_PMP_GSCR_ERROR_EN,
64: SATA_PMP_GSCR_FEAT,
96: SATA_PMP_GSCR_FEAT_EN,
130: SATA_PMP_GSCR_SII_GPIO
Only valid if the device is a PM.
class: (RO) Device class. Can be "ata" for disk,
"atapi" for packet device, "pmp" for PM, or
"none" if no device was found behind the link.
trim
Shows the DSM TRIM mode currently used by the device. Valid
values are:
unsupported: Drive does not support DSM TRIM
unqueued: Drive supports unqueued DSM TRIM only
queued: Drive supports queued DSM TRIM
forced_unqueued: Drive's queued DSM support is known to be
buggy and only unqueued TRIM commands
are sent
What: /sys/class/ata_device/devX[.Y].Z/trim
Date: May, 2015
KernelVersion: v4.10
Contact: Gwendal Grignou <gwendal@chromium.org>
Description:
(RO) Shows the DSM TRIM mode currently used by the device. Valid
values are:
spdn_cnt
unsupported: Drive does not support DSM TRIM
Number of time libata decided to lower the speed of link due to errors.
unqueued: Drive supports unqueued DSM TRIM only
ering
queued: Drive supports queued DSM TRIM
Formatted output of the error ring of the device.
forced_unqueued: Drive's queued DSM support is known to
be buggy and only unqueued TRIM commands
are sent
Documentation/ABI/testing/sysfs-block-aoe 0 → 100644
View file @ 552c69b3
What: /sys/block/etherd*/mac
Date: Apr, 2005
KernelVersion: v2.6.12
Contact: Ed L. Cashin <ed.cashin@acm.org>
Description:
(RO) The ethernet address of the remote Ata over Ethernet (AoE)
device.
What: /sys/block/etherd*/netif
Date: Apr, 2005
KernelVersion: v2.6.12
Contact: Ed L. Cashin <ed.cashin@acm.org>
Description:
(RO) The names of the network interfaces on the localhost (comma
separated) through which we are communicating with the remote
AoE device.
What: /sys/block/etherd*/state
Date: Apr, 2005
KernelVersion: v2.6.12
Contact: Ed L. Cashin <ed.cashin@acm.org>
Description:
(RO) Device status. The state attribute is "up" when the device
is ready for I/O and "down" if detected but unusable. The
"down,closewait" state shows that the device is still open and
cannot come up again until it has been closed. The "up,kickme"
state means that the driver wants to send more commands to the
target but found out there were already the max number of
commands waiting for a response. It will retry again after being
kicked by the periodic timer handler routine.
What: /sys/block/etherd*/firmware-version
Date: Apr, 2005
KernelVersion: v2.6.12
Contact: Ed L. Cashin <ed.cashin@acm.org>
Description:
(RO) Version of the firmware in the target.
What: /sys/block/etherd*/payload
Date: Dec, 2012
KernelVersion: v3.10
Contact: Ed L. Cashin <ed.cashin@acm.org>
Description:
(RO) The amount of user data transferred (in bytes) inside each AoE
command on the network, network headers excluded.
Documentation/ABI/testing/sysfs-block-device 0 → 100644
View file @ 552c69b3
What: /sys/block/*/device/sw_activity
Date: Jun, 2008
KernelVersion: v2.6.27
Contact: linux-ide@vger.kernel.org
Description:
(RW) Used by drivers which support software controlled activity
LEDs.
It has the following valid values:
0 OFF - the LED is not activated on activity
1 BLINK_ON - the LED blinks on every 10ms when activity is
detected.
2 BLINK_OFF - the LED is on when idle, and blinks off
every 10ms when activity is detected.
Note that the user must turn sw_activity OFF it they wish to
control the activity LED via the em_message file.
What: /sys/block/*/device/unload_heads
Date: Sep, 2008
KernelVersion: v2.6.28
Contact: linux-ide@vger.kernel.org
Description:
(RW) Hard disk shock protection
Writing an integer value to this file will take the heads of the
respective drive off the platter and block all I/O operations
for the specified number of milliseconds.
- If the device does not support the unload heads feature,
access is denied with -EOPNOTSUPP.
- The maximal value accepted for a timeout is 30000
milliseconds.
- A previously set timeout can be cancelled and disk can resume
normal operation immediately by specifying a timeout of 0.
- Some hard drives only comply with an earlier version of the
ATA standard, but support the unload feature nonetheless.
There is no safe way Linux can detect these devices, so this
is not enabled by default. If it is known that your device
does support the unload feature, then you can tell the kernel
to enable it by writing -1. It can be disabled again by
writing -2.
- Values below -2 are rejected with -EINVAL
For more information, see
Documentation/laptops/disk-shock-protection.txt
What: /sys/block/*/device/ncq_prio_enable
Date: Oct, 2016
KernelVersion: v4.10
Contact: linux-ide@vger.kernel.org
Description:
(RW) Write to the file to turn on or off the SATA ncq (native
command queueing) support. By default this feature is turned
off.
Documentation/ABI/testing/sysfs-block-loop 0 → 100644
View file @ 552c69b3
What: /sys/block/loopX/loop/autoclear
Date: Aug, 2010
KernelVersion: v2.6.37
Contact: linux-block@vger.kernel.org
Description:
(RO) Shows if the device is in autoclear mode or not ( "1" or
"0"). Autoclear (if set) indicates that the loopback device will
self-distruct after last close.
What: /sys/block/loopX/loop/backing_file
Date: Aug, 2010
KernelVersion: v2.6.37
Contact: linux-block@vger.kernel.org
Description:
(RO) The path of the backing file that the loop device maps its
data blocks to.
What: /sys/block/loopX/loop/offset
Date: Aug, 2010
KernelVersion: v2.6.37
Contact: linux-block@vger.kernel.org
Description:
(RO) Start offset (in bytes).
What: /sys/block/loopX/loop/sizelimit
Date: Aug, 2010
KernelVersion: v2.6.37
Contact: linux-block@vger.kernel.org
Description:
(RO) The size (in bytes) that the block device maps, starting
from the offset.
What: /sys/block/loopX/loop/partscan
Date: Aug, 2011
KernelVersion: v3.10
Contact: linux-block@vger.kernel.org
Description:
(RO) Shows if automatic partition scanning is enabled for the
device or not ("1" or "0"). This can be requested individually
per loop device during its setup by setting LO_FLAGS_PARTSCAN in
in the ioctl request. By default, no partition tables are
scanned.
What: /sys/block/loopX/loop/dio
Date: Aug, 2015
KernelVersion: v4.10
Contact: linux-block@vger.kernel.org
Description:
(RO) Shows if direct IO is being used to access backing file or
not ("1 or "0").
Documentation/ABI/testing/sysfs-bus-acpi
View file @ 552c69b3
......@@ -56,3 +56,40 @@ Description:
Writing 1 to this attribute will trigger hot removal of
this device object. This file exists for every device
object that has _EJ0 method.
What: /sys/bus/acpi/devices/.../status
Date: Jan, 2014
Contact: Rafael J. Wysocki <rjw@rjwysocki.net>
Description:
(RO) Returns the ACPI device status: enabled, disabled or
functioning or present, if the method _STA is present.
The return value is a decimal integer representing the device's
status bitmap:
Bit [0] – Set if the device is present.
Bit [1] – Set if the device is enabled and decoding its
resources.
Bit [2] – Set if the device should be shown in the UI.
Bit [3] – Set if the device is functioning properly (cleared if
device failed its diagnostics).
Bit [4] – Set if the battery is present.
Bits [31:5] – Reserved (must be cleared)
If bit [0] is clear, then bit 1 must also be clear (a device
that is not present cannot be enabled).
Bit 0 can be clear (not present) with bit [3] set (device is
functional). This case is used to indicate a valid device for
which no device driver should be loaded.
More special cases are covered in the ACPI specification.
What: /sys/bus/acpi/devices/.../hrv
Date: Apr, 2016
Contact: Rafael J. Wysocki <rjw@rjwysocki.net>
Description:
(RO) Allows users to read the hardware version of non-PCI
hardware, if the _HRV control method is present. It is mostly
useful for non-PCI devices because lspci can list the hardware
version for PCI devices.
Documentation/ABI/testing/sysfs-bus-iio
View file @ 552c69b3
......@@ -32,7 +32,7 @@ Description:
Description of the physical chip / device for device X.
Typically a part number.
What: /sys/bus/iio/devices/iio:deviceX/timestamp_clock
What: /sys/bus/iio/devices/iio:deviceX/current_timestamp_clock
KernelVersion: 4.5
Contact: linux-iio@vger.kernel.org
Description:
......@@ -1290,7 +1290,7 @@ KernelVersion: 3.4
Contact: linux-iio@vger.kernel.org
Description:
Unit-less light intensity. Modifiers both and ir indicate
that measurements contains visible and infrared light
that measurements contain visible and infrared light
components or just infrared light, respectively. Modifier uv indicates
that measurements contain ultraviolet light components.
......@@ -1413,6 +1413,16 @@ Description:
the available samples after the timeout expires and thus have a
maximum delay guarantee.
What: /sys/bus/iio/devices/iio:deviceX/buffer/data_available
KernelVersion: 4.16
Contact: linux-iio@vger.kernel.org
Description:
A read-only value indicating the bytes of data available in the
buffer. In the case of an output buffer, this indicates the
amount of empty space available to write data to. In the case of
an input buffer, this indicates the amount of data available for
reading.
What: /sys/bus/iio/devices/iio:deviceX/buffer/hwfifo_enabled
KernelVersion: 4.2
Contact: linux-iio@vger.kernel.org
......
Documentation/ABI/testing/sysfs-bus-iio-chemical-vz89x
View file @ 552c69b3
What: /sys/bus/iio/devices/iio:deviceX/in_concentration_VOC_short_raw
Date: September 2015
KernelVersion: 4.3
Contact: Matt Ranostay <mranostay@gmail.com>
Contact: Matt Ranostay <matt.ranostay@konsulko.com>
Description:
Get the raw calibration VOC value from the sensor.
This value has little application outside of calibration.
Documentation/ABI/testing/sysfs-bus-iio-dfsdm-adc-stm32 0 → 100644
View file @ 552c69b3
What: /sys/bus/iio/devices/iio:deviceX/in_voltage_spi_clk_freq
KernelVersion: 4.14
Contact: arnaud.pouliquen@st.com
Description:
For audio purpose only.
Used by audio driver to set/get the spi input frequency.
This is mandatory if DFSDM is slave on SPI bus, to
provide information on the SPI clock frequency during runtime
Notice that the SPI frequency should be a multiple of sample
frequency to ensure the precision.
if DFSDM input is SPI master
Reading SPI clkout frequency,
error on writing
If DFSDM input is SPI Slave:
Reading returns value previously set.
Writing value before starting conversions.
\ No newline at end of file
Documentation/ABI/testing/sysfs-bus-iio-proximity-as3935
View file @ 552c69b3
What /sys/bus/iio/devices/iio:deviceX/in_proximity_input
Date: March 2014
KernelVersion: 3.15
Contact: Matt Ranostay <mranostay@gmail.com>
Contact: Matt Ranostay <matt.ranostay@konsulko.com>
Description:
Get the current distance in meters of storm (1km steps)
1000-40000 = distance in meters
......@@ -9,7 +9,7 @@ Description:
What /sys/bus/iio/devices/iio:deviceX/sensor_sensitivity
Date: March 2014
KernelVersion: 3.15
Contact: Matt Ranostay <mranostay@gmail.com>
Contact: Matt Ranostay <matt.ranostay@konsulko.com>
Description:
Show or set the gain boost of the amp, from 0-31 range.
18 = indoors (default)
......
Documentation/ABI/testing/sysfs-bus-nfit 0 → 100644
View file @ 552c69b3
For all of the nmem device attributes under nfit/*, see the 'NVDIMM Firmware
Interface Table (NFIT)' section in the ACPI specification
(http://www.uefi.org/specifications) for more details.
What: /sys/bus/nd/devices/nmemX/nfit/serial
Date: Jun, 2015
KernelVersion: v4.2
Contact: linux-nvdimm@lists.01.org
Description:
(RO) Serial number of the NVDIMM (non-volatile dual in-line
memory module), assigned by the module vendor.
What: /sys/bus/nd/devices/nmemX/nfit/handle
Date: Apr, 2015
KernelVersion: v4.2
Contact: linux-nvdimm@lists.01.org
Description:
(RO) The address (given by the _ADR object) of the device on its
parent bus of the NVDIMM device containing the NVDIMM region.
What: /sys/bus/nd/devices/nmemX/nfit/device
Date: Apr, 2015
KernelVersion: v4.1
Contact: linux-nvdimm@lists.01.org
Description:
(RO) Device id for the NVDIMM, assigned by the module vendor.
What: /sys/bus/nd/devices/nmemX/nfit/rev_id
Date: Jun, 2015
KernelVersion: v4.2
Contact: linux-nvdimm@lists.01.org
Description:
(RO) Revision of the NVDIMM, assigned by the module vendor.
What: /sys/bus/nd/devices/nmemX/nfit/phys_id
Date: Apr, 2015
KernelVersion: v4.2
Contact: linux-nvdimm@lists.01.org
Description:
(RO) Handle (i.e., instance number) for the SMBIOS (system
management BIOS) Memory Device structure describing the NVDIMM
containing the NVDIMM region.
What: /sys/bus/nd/devices/nmemX/nfit/flags
Date: Jun, 2015
KernelVersion: v4.2
Contact: linux-nvdimm@lists.01.org
Description:
(RO) The flags in the NFIT memory device sub-structure indicate
the state of the data on the nvdimm relative to its energy
source or last "flush to persistence".
The attribute is a translation of the 'NVDIMM State Flags' field
in section 5.2.25.3 'NVDIMM Region Mapping' Structure of the
ACPI specification 6.2.
The health states are "save_fail", "restore_fail", "flush_fail",
"not_armed", "smart_event", "map_fail" and "smart_notify".
What: /sys/bus/nd/devices/nmemX/nfit/format
What: /sys/bus/nd/devices/nmemX/nfit/format1
What: /sys/bus/nd/devices/nmemX/nfit/formats
Date: Apr, 2016
KernelVersion: v4.7
Contact: linux-nvdimm@lists.01.org
Description:
(RO) The interface codes indicate support for persistent memory
mapped directly into system physical address space and / or a
block aperture access mechanism to the NVDIMM media.
The 'formats' attribute displays the number of supported
interfaces.
This layout is compatible with existing libndctl binaries that
only expect one code per-dimm as they will ignore
nmemX/nfit/formats and nmemX/nfit/formatN.
What: /sys/bus/nd/devices/nmemX/nfit/vendor
Date: Apr, 2016
KernelVersion: v4.7
Contact: linux-nvdimm@lists.01.org
Description:
(RO) Vendor id of the NVDIMM.
What: /sys/bus/nd/devices/nmemX/nfit/dsm_mask
Date: May, 2016
KernelVersion: v4.7
Contact: linux-nvdimm@lists.01.org
Description:
(RO) The bitmask indicates the supported device specific control
functions relative to the NVDIMM command family supported by the
device
What: /sys/bus/nd/devices/nmemX/nfit/family
Date: Apr, 2016
KernelVersion: v4.7
Contact: linux-nvdimm@lists.01.org
Description:
(RO) Displays the NVDIMM family command sets. Values
0, 1, 2 and 3 correspond to NVDIMM_FAMILY_INTEL,
NVDIMM_FAMILY_HPE1, NVDIMM_FAMILY_HPE2 and NVDIMM_FAMILY_MSFT
respectively.
See the specifications for these command families here:
http://pmem.io/documents/NVDIMM_DSM_Interface-V1.6.pdf
https://github.com/HewlettPackard/hpe-nvm/blob/master/Documentation/
https://msdn.microsoft.com/library/windows/hardware/mt604741"
What: /sys/bus/nd/devices/nmemX/nfit/id
Date: Apr, 2016
KernelVersion: v4.7
Contact: linux-nvdimm@lists.01.org
Description:
(RO) ACPI specification 6.2 section 5.2.25.9, defines an
identifier for an NVDIMM, which refelects the id attribute.
What: /sys/bus/nd/devices/nmemX/nfit/subsystem_vendor
Date: Apr, 2016
KernelVersion: v4.7
Contact: linux-nvdimm@lists.01.org
Description:
(RO) Sub-system vendor id of the NVDIMM non-volatile memory
subsystem controller.
What: /sys/bus/nd/devices/nmemX/nfit/subsystem_rev_id
Date: Apr, 2016
KernelVersion: v4.7
Contact: linux-nvdimm@lists.01.org
Description:
(RO) Sub-system revision id of the NVDIMM non-volatile memory subsystem
controller, assigned by the non-volatile memory subsystem
controller vendor.
What: /sys/bus/nd/devices/nmemX/nfit/subsystem_device
Date: Apr, 2016
KernelVersion: v4.7
Contact: linux-nvdimm@lists.01.org
Description:
(RO) Sub-system device id for the NVDIMM non-volatile memory
subsystem controller, assigned by the non-volatile memory
subsystem controller vendor.
What: /sys/bus/nd/devices/ndbusX/nfit/revision
Date: Jun, 2015
KernelVersion: v4.2
Contact: linux-nvdimm@lists.01.org
Description:
(RO) ACPI NFIT table revision number.
What: /sys/bus/nd/devices/ndbusX/nfit/scrub
Date: Sep, 2016
KernelVersion: v4.9
Contact: linux-nvdimm@lists.01.org
Description:
(RW) This shows the number of full Address Range Scrubs (ARS)
that have been completed since driver load time. Userspace can
wait on this using select/poll etc. A '+' at the end indicates
an ARS is in progress
Writing a value of 1 triggers an ARS scan.
What: /sys/bus/nd/devices/ndbusX/nfit/hw_error_scrub
Date: Sep, 2016
KernelVersion: v4.9
Contact: linux-nvdimm@lists.01.org
Description:
(RW) Provides a way to toggle the behavior between just adding
the address (cache line) where the MCE happened to the poison
list and doing a full scrub. The former (selective insertion of
the address) is done unconditionally.
This attribute can have the following values written to it:
'0': Switch to the default mode where an exception will only
insert the address of the memory error into the poison and
badblocks lists.
'1': Enable a full scrub to happen if an exception for a memory
error is received.
What: /sys/bus/nd/devices/ndbusX/nfit/dsm_mask
Date: Jun, 2017
KernelVersion: v4.13
Contact: linux-nvdimm@lists.01.org
Description:
(RO) The bitmask indicates the supported bus specific control
functions. See the section named 'NVDIMM Root Device _DSMs' in
the ACPI specification.
What: /sys/bus/nd/devices/regionX/nfit/range_index
Date: Jun, 2015
KernelVersion: v4.2
Contact: linux-nvdimm@lists.01.org
Description:
(RO) A unique number provided by the BIOS to identify an address
range. Used by NVDIMM Region Mapping Structure to uniquely refer
to this structure. Value of 0 is reserved and not used as an
index.
What: /sys/bus/nd/devices/regionX/nfit/ecc_unit_size
Date: Aug, 2017
KernelVersion: v4.14
Contact: linux-nvdimm@lists.01.org
Description:
(RO) Size of a write request to a DIMM that will not incur a
read-modify-write cycle at the memory controller.
When the nfit driver initializes it runs an ARS (Address Range
Scrub) operation across every pmem range. Part of that process
involves determining the ARS capabilities of a given address
range. One of the capabilities that is reported is the 'Clear
Uncorrectable Error Range Length Unit Size' (see: ACPI 6.2
section 9.20.7.4 Function Index 1 - Query ARS Capabilities).
This property indicates the boundary at which the NVDIMM may
need to perform read-modify-write cycles to maintain ECC (Error
Correcting Code) blocks.
Documentation/ABI/testing/sysfs-bus-pci-drivers-xhci_hcd 0 → 100644
View file @ 552c69b3
What: /sys/bus/pci/drivers/xhci_hcd/.../dbc
Date: June 2017
Contact: Lu Baolu <baolu.lu@linux.intel.com>
Description:
xHCI compatible USB host controllers (i.e. super-speed
USB3 controllers) are often implemented with the Debug
Capability (DbC). It can present a debug device which
is fully compliant with the USB framework and provides
the equivalent of a very high performance full-duplex
serial link for debug purpose.
The DbC debug device shares a root port with xHCI host.
When the DbC is enabled, the root port will be assigned
to the Debug Capability. Otherwise, it will be assigned
to xHCI.
Writing "enable" to this attribute will enable the DbC
functionality and the shared root port will be assigned
to the DbC device. Writing "disable" to this attribute
will disable the DbC functionality and the shared root
port will roll back to the xHCI.
Reading this attribute gives the state of the DbC. It
can be one of the following states: disabled, enabled,
initialized, connected, configured and stalled.
Documentation/ABI/testing/sysfs-bus-rapidio 0 → 100644
View file @ 552c69b3
What: /sys/bus/rapidio/devices/nn:d:iiii
Description:
For each RapidIO device, the RapidIO subsystem creates files in
an individual subdirectory with the following name format of
device_name "nn:d:iiii", where:
nn - two-digit hexadecimal ID of RapidIO network where the
device resides
d - device type: 'e' - for endpoint or 's' - for switch
iiii - four-digit device destID for endpoints, or switchID for
switches
For example, below is a list of device directories that
represents a typical RapidIO network with one switch, one host,
and two agent endpoints, as it is seen by the enumerating host
(with destID = 1):
/sys/bus/rapidio/devices/00:e:0000
/sys/bus/rapidio/devices/00:e:0002
/sys/bus/rapidio/devices/00:s:0001
NOTE: An enumerating or discovering endpoint does not create a
sysfs entry for itself, this is why an endpoint with destID=1 is
not shown in the list.
Attributes Common for All RapidIO Devices
-----------------------------------------
What: /sys/bus/rapidio/devices/nn:d:iiii/did
Date: Nov, 2005
KernelVersion: v2.6.15
Contact: Matt Porter <mporter@kernel.crashing.org>,
Alexandre Bounine <alexandre.bounine@idt.com>
Description:
(RO) returns the device identifier
What: /sys/bus/rapidio/devices/nn:d:iiii/vid
Date: Nov, 2005
KernelVersion: v2.6.15
Contact: Matt Porter <mporter@kernel.crashing.org>,
Alexandre Bounine <alexandre.bounine@idt.com>
Description:
(RO) returns the device vendor identifier
What: /sys/bus/rapidio/devices/nn:d:iiii/device_rev
Date: Nov, 2005
KernelVersion: v2.6.15
Contact: Matt Porter <mporter@kernel.crashing.org>,
Alexandre Bounine <alexandre.bounine@idt.com>
Description:
(RO) returns the device revision level
What: /sys/bus/rapidio/devices/nn:d:iiii/asm_did
Date: Nov, 2005
KernelVersion: v2.6.15
Contact: Matt Porter <mporter@kernel.crashing.org>,
Alexandre Bounine <alexandre.bounine@idt.com>
Description:
(RO) returns identifier for the assembly containing the device
What: /sys/bus/rapidio/devices/nn:d:iiii/asm_rev
Date: Nov, 2005
KernelVersion: v2.6.15
Contact: Matt Porter <mporter@kernel.crashing.org>,
Alexandre Bounine <alexandre.bounine@idt.com>
Description:
(RO) returns revision level of the assembly containing the
device
What: /sys/bus/rapidio/devices/nn:d:iiii/asm_vid
Date: Nov, 2005
KernelVersion: v2.6.15
Contact: Matt Porter <mporter@kernel.crashing.org>,
Alexandre Bounine <alexandre.bounine@idt.com>
Description:
(RO) returns vendor identifier of the assembly containing the
device
What: /sys/bus/rapidio/devices/nn:d:iiii/destid
Date: Mar, 2011
KernelVersion: v2.6.3
Contact: Matt Porter <mporter@kernel.crashing.org>,
Alexandre Bounine <alexandre.bounine@idt.com>
Description:
(RO) returns device destination ID assigned by the enumeration
routine
What: /sys/bus/rapidio/devices/nn:d:iiii/lprev
Date: Mar, 2011
KernelVersion: v2.6.39
Contact: Matt Porter <mporter@kernel.crashing.org>,
Alexandre Bounine <alexandre.bounine@idt.com>
Description:
(RO) returns name of previous device (switch) on the path to the
device that that owns this attribute
What: /sys/bus/rapidio/devices/nn:d:iiii/modalias
Date: Jul, 2013
KernelVersion: v3.11
Contact: Matt Porter <mporter@kernel.crashing.org>,
Alexandre Bounine <alexandre.bounine@idt.com>
Description:
(RO) returns the device modalias
What: /sys/bus/rapidio/devices/nn:d:iiii/config
Date: Nov, 2005
KernelVersion: v2.6.15
Contact: Matt Porter <mporter@kernel.crashing.org>,
Alexandre Bounine <alexandre.bounine@idt.com>
Description:
(RW) Binary attribute to read from and write to the device
configuration registers using the RapidIO maintenance
transactions. This attribute is similar in behaviour to the
"config" attribute of PCI devices and provides an access to the
RapidIO device registers using standard file read and write
operations.
RapidIO Switch Device Attributes
--------------------------------
RapidIO switches have additional attributes in sysfs. RapidIO subsystem supports
common and device-specific sysfs attributes for switches. Because switches are
integrated into the RapidIO subsystem, it offers a method to create
device-specific sysfs attributes by specifying a callback function that may be
set by the switch initialization routine during enumeration or discovery
process.
What: /sys/bus/rapidio/devices/nn:s:iiii/routes
Date: Nov, 2005
KernelVersion: v2.6.15
Contact: Matt Porter <mporter@kernel.crashing.org>,
Alexandre Bounine <alexandre.bounine@idt.com>
Description:
(RO) reports switch routing information in "destID port" format.
This attribute reports only valid routing table entries, one
line for each entry.
What: /sys/bus/rapidio/devices/nn:s:iiii/destid
Date: Mar, 2011
KernelVersion: v2.6.3
Contact: Matt Porter <mporter@kernel.crashing.org>,
Alexandre Bounine <alexandre.bounine@idt.com>
Description:
(RO) device destination ID of the associated device that defines
a route to the switch
What: /sys/bus/rapidio/devices/nn:s:iiii/hopcount
Date: Mar, 2011
KernelVersion: v2.6.39
Contact: Matt Porter <mporter@kernel.crashing.org>,
Alexandre Bounine <alexandre.bounine@idt.com>
Description:
(RO) number of hops on the path to the switch
What: /sys/bus/rapidio/devices/nn:s:iiii/lnext
Date: Mar, 2011
KernelVersion: v2.6.39
Contact: Matt Porter <mporter@kernel.crashing.org>,
Alexandre Bounine <alexandre.bounine@idt.com>
Description:
(RO) returns names of devices linked to the switch except one of
a device linked to the ingress port (reported as "lprev"). This
is an array names with number of lines equal to number of ports
in switch. If a switch port has no attached device, returns
"null" instead of a device name.
Device-specific Switch Attributes
---------------------------------
IDT_GEN2-
What: /sys/bus/rapidio/devices/nn:s:iiii/errlog
Date: Oct, 2010
KernelVersion: v2.6.37
Contact: Matt Porter <mporter@kernel.crashing.org>,
Alexandre Bounine <alexandre.bounine@idt.com>
Description:
(RO) reads contents of device error log until it is empty.
RapidIO Bus Attributes
----------------------
What: /sys/bus/rapidio/scan
Date: May, 2013
KernelVersion: v3.11
Contact: Matt Porter <mporter@kernel.crashing.org>,
Alexandre Bounine <alexandre.bounine@idt.com>
Description:
(WO) Allows to trigger enumeration discovery process from user
space. To initiate an enumeration or discovery process on
specific mport device, a user needs to write mport_ID (not
RapidIO destination ID) into this file. The mport_ID is a
sequential number (0 ... RIO_MAX_MPORTS) assigned to the mport
device. For example, for a machine with a single RapidIO
controller, mport_ID for that controller always will be 0. To
initiate RapidIO enumeration/discovery on all available mports a
user must write '-1' (or RIO_MPORT_ANY) into this attribute
file.
Documentation/ABI/testing/sysfs-bus-rbd
View file @ 552c69b3
What: /sys/bus/rbd/
Date: November 2010
Contact: Yehuda Sadeh <yehuda@newdream.net>,
Sage Weil <sage@newdream.net>
What: /sys/bus/rbd/add
Date: Oct, 2010
KernelVersion: v2.6.37
Contact: Sage Weil <sage@newdream.net>
Description:
(WO) Add rbd block device.
Being used for adding and removing rbd block devices.
Usage: <mon ip addr> <options> <pool name> <rbd image name> [<snap name>]
Usage: <mon ip addr> <options> <pool name> <rbd image name> [<snap name>]
$ echo "192.168.0.1 name=admin rbd foo" > /sys/bus/rbd/add
$ echo "192.168.0.1 name=admin rbd foo" > /sys/bus/rbd/add
The snapshot name can be "-" or omitted to map the image
read/write. A <dev-id> will be assigned for any registered block
device. If snapshot is used, it will be mapped read-only.
The snapshot name can be "-" or omitted to map the image read/write. A <dev-id>
will be assigned for any registered block device. If snapshot is used, it will
be mapped read-only.
Usage: <dev-id> [force]
What: /sys/bus/rbd/remove
Date: Oct, 2010
KernelVersion: v2.6.37
Contact: Sage Weil <sage@newdream.net>
Description:
(WO) Remove rbd block device.
Usage: <dev-id> [force]
$ echo 2 > /sys/bus/rbd/remove
$ echo 2 > /sys/bus/rbd/remove
Optional "force" argument which when passed will wait for
running requests and then unmap the image. Requests sent to the
driver after initiating the removal will be failed. (August
2016, since 4.9.)
Optional "force" argument which when passed will wait for running requests and
then unmap the image. Requests sent to the driver after initiating the removal
will be failed. (August 2016, since 4.9.)
What: /sys/bus/rbd/add_single_major
Date: December 2013
KernelVersion: 3.14
Contact: Sage Weil <sage@inktank.com>
Description: Available only if rbd module is inserted with single_major
Date: Dec, 2013
KernelVersion: v3.14
Contact: Sage Weil <sage@newdream.net>
Description:
(WO) Available only if rbd module is inserted with single_major
parameter set to true.
Usage is the same as for /sys/bus/rbd/add. If present,
Usage is the same as for /sys/bus/rbd/add. If present, this
should be used instead of the latter: any attempts to use
/sys/bus/rbd/add if /sys/bus/rbd/add_single_major is
available will fail for backwards compatibility reasons.
/sys/bus/rbd/add if /sys/bus/rbd/add_single_major is available
will fail for backwards compatibility reasons.
What: /sys/bus/rbd/remove_single_major
Date: December 2013
KernelVersion: 3.14
Contact: Sage Weil <sage@inktank.com>
Description: Available only if rbd module is inserted with single_major
Date: Dec, 2013
KernelVersion: v3.14
Contact: Sage Weil <sage@newdream.net>
Description:
(WO) Available only if rbd module is inserted with single_major
parameter set to true.
Usage is the same as for /sys/bus/rbd/remove. If present,
Usage is the same as for /sys/bus/rbd/remove. If present, this
should be used instead of the latter: any attempts to use
/sys/bus/rbd/remove if /sys/bus/rbd/remove_single_major is
available will fail for backwards compatibility reasons.
Entries under /sys/bus/rbd/devices/<dev-id>/
--------------------------------------------
client_addr
The ceph unique client entity_addr_t (address + nonce).
The format is <address>:<port>/<nonce>: '1.2.3.4:1234/5678' or
'[1:2:3:4:5:6:7:8]:1234/5678'. (August 2016, since 4.9.)
client_id
The ceph unique client id that was assigned for this specific session.
cluster_fsid
The ceph cluster UUID. (August 2016, since 4.9.)
config_info
The string written into /sys/bus/rbd/add{,_single_major}. (August
2016, since 4.9.)
features
A hexadecimal encoding of the feature bits for this image.
major
The block device major number.
What: /sys/bus/rbd/supported_features
Date: Mar, 2017
KernelVersion: v4.11
Contact: Sage Weil <sage@newdream.net>
Description:
(RO) Displays the features supported by the rbd module so that
userspace can generate meaningful error messages and spell out
unsupported features that need to be disabled.
What: /sys/bus/rbd/devices/<dev-id>/size
What: /sys/bus/rbd/devices/<dev-id>/major
What: /sys/bus/rbd/devices/<dev-id>/client_id
What: /sys/bus/rbd/devices/<dev-id>/pool
What: /sys/bus/rbd/devices/<dev-id>/name
What: /sys/bus/rbd/devices/<dev-id>/refresh
What: /sys/bus/rbd/devices/<dev-id>/current_snap
Date: Oct, 2010
KernelVersion: v2.6.37
Contact: Sage Weil <sage@newdream.net>
Description:
size: (RO) The size (in bytes) of the mapped block
device.
minor
major: (RO) The block device major number.
The block device minor number. (December 2013, since 3.14.)
client_id: (RO) The ceph unique client id that was assigned
for this specific session.
name
pool: (RO) The name of the storage pool where this rbd
image resides. An rbd image name is unique
within its pool.
The name of the rbd image.
name: (RO) The name of the rbd image.
image_id
refresh: (WO) Writing to this file will reread the image
header data and set all relevant data structures
accordingly.
The unique id for the rbd image. (For rbd image format 1
this is empty.)
current_snap: (RO) The current snapshot for which the device
is mapped.
pool
The name of the storage pool where this rbd image resides.
An rbd image name is unique within its pool.
What: /sys/bus/rbd/devices/<dev-id>/pool_id
Date: Jul, 2012
KernelVersion: v3.6
Contact: Sage Weil <sage@newdream.net>
Description:
(RO) The unique identifier for the rbd image's pool. This is a
permanent attribute of the pool. A pool's id will never change.
pool_id
The unique identifier for the rbd image's pool. This is
a permanent attribute of the pool. A pool's id will never
change.
What: /sys/bus/rbd/devices/<dev-id>/image_id
What: /sys/bus/rbd/devices/<dev-id>/features
Date: Oct, 2012
KernelVersion: v3.7
Contact: Sage Weil <sage@newdream.net>
Description:
image_id: (RO) The unique id for the rbd image. (For rbd
image format 1 this is empty.)
size
features: (RO) A hexadecimal encoding of the feature bits
for this image.
The size (in bytes) of the mapped block device.
refresh
What: /sys/bus/rbd/devices/<dev-id>/parent
Date: Nov, 2012
KernelVersion: v3.8
Contact: Sage Weil <sage@newdream.net>
Description:
(RO) Information identifying the chain of parent images in a
layered rbd image. Entries are separated by empty lines.
Writing to this file will reread the image header data and set
all relevant datastructures accordingly.
current_snap
What: /sys/bus/rbd/devices/<dev-id>/minor
Date: Dec, 2013
KernelVersion: v3.14
Contact: Sage Weil <sage@newdream.net>
Description:
(RO) The block device minor number.
The current snapshot for which the device is mapped.
snap_id
What: /sys/bus/rbd/devices/<dev-id>/snap_id
What: /sys/bus/rbd/devices/<dev-id>/config_info
What: /sys/bus/rbd/devices/<dev-id>/cluster_fsid
What: /sys/bus/rbd/devices/<dev-id>/client_addr
Date: Aug, 2016
KernelVersion: v4.9
Contact: Sage Weil <sage@newdream.net>
Description:
snap_id: (RO) The current snapshot's id.
The current snapshot's id. (August 2016, since 4.9.)
config_info: (RO) The string written into
/sys/bus/rbd/add{,_single_major}.
parent
cluster_fsid: (RO) The ceph cluster UUID.
Information identifying the chain of parent images in a layered rbd
image. Entries are separated by empty lines.
client_addr: (RO) The ceph unique client
entity_addr_t (address + nonce). The format is
<address>:<port>/<nonce>: '1.2.3.4:1234/5678' or
'[1:2:3:4:5:6:7:8]:1234/5678'.
Documentation/ABI/testing/sysfs-bus-siox 0 → 100644
View file @ 552c69b3
What: /sys/bus/siox/devices/siox-X/active
KernelVersion: 4.16
Contact: Gavin Schenk <g.schenk@eckelmann.de>, Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Description:
On reading represents the current state of the bus. If it
contains a "0" the bus is stopped and connected devices are
expected to not do anything because their watchdog triggered.
When the file contains a "1" the bus is operated and periodically
does a push-pull cycle to write and read data from the
connected devices.
When writing a "0" or "1" the bus moves to the described state.
What: /sys/bus/siox/devices/siox-X/device_add
KernelVersion: 4.16
Contact: Gavin Schenk <g.schenk@eckelmann.de>, Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Description:
Write-only file. Write
<type> <inbytes> <outbytes> <statustype>
to add a new device dynamically. <type> is the name that is used to match
to a driver (similar to the platform bus). <inbytes> and <outbytes> define
the length of the input and output shift register in bytes respectively.
<statustype> defines the 4 bit device type that is check to identify connection
problems.
The new device is added to the end of the existing chain.
What: /sys/bus/siox/devices/siox-X/device_remove
KernelVersion: 4.16
Contact: Gavin Schenk <g.schenk@eckelmann.de>, Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Description:
Write-only file. A single write removes the last device in the siox chain.
What: /sys/bus/siox/devices/siox-X/poll_interval_ns
KernelVersion: 4.16
Contact: Gavin Schenk <g.schenk@eckelmann.de>, Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Description:
Defines the interval between two poll cycles in nano seconds.
Note this is rounded to jiffies on writing. On reading the current value
is returned.
What: /sys/bus/siox/devices/siox-X-Y/connected
KernelVersion: 4.16
Contact: Gavin Schenk <g.schenk@eckelmann.de>, Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Description:
Read-only value. "0" means the Yth device on siox bus X isn't "connected" i.e.
communication with it is not ensured. "1" signals a working connection.
What: /sys/bus/siox/devices/siox-X-Y/inbytes
KernelVersion: 4.16
Contact: Gavin Schenk <g.schenk@eckelmann.de>, Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Description:
Read-only value reporting the inbytes value provided to siox-X/device_add
What: /sys/bus/siox/devices/siox-X-Y/status_errors
KernelVersion: 4.16
Contact: Gavin Schenk <g.schenk@eckelmann.de>, Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Description:
Counts the number of time intervals when the read status byte doesn't yield the
expected value.
What: /sys/bus/siox/devices/siox-X-Y/type
KernelVersion: 4.16
Contact: Gavin Schenk <g.schenk@eckelmann.de>, Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Description:
Read-only value reporting the type value provided to siox-X/device_add.
What: /sys/bus/siox/devices/siox-X-Y/watchdog
KernelVersion: 4.16
Contact: Gavin Schenk <g.schenk@eckelmann.de>, Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Description:
Read-only value reporting if the watchdog of the siox device is
active. "0" means the watchdog is not active and the device is expected to
be operational. "1" means the watchdog keeps the device in reset.
What: /sys/bus/siox/devices/siox-X-Y/watchdog_errors
KernelVersion: 4.16
Contact: Gavin Schenk <g.schenk@eckelmann.de>, Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Description:
Read-only value reporting the number to time intervals when the
watchdog was active.
What: /sys/bus/siox/devices/siox-X-Y/outbytes
KernelVersion: 4.16
Contact: Gavin Schenk <g.schenk@eckelmann.de>, Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Description:
Read-only value reporting the outbytes value provided to siox-X/device_add.
Documentation/ABI/testing/sysfs-bus-thunderbolt
View file @ 552c69b3
What: /sys/bus/thunderbolt/devices/.../domainX/boot_acl
Date: Jun 2018
KernelVersion: 4.17
Contact: thunderbolt-software@lists.01.org
Description: Holds a comma separated list of device unique_ids that
are allowed to be connected automatically during system
startup (e.g boot devices). The list always contains
maximum supported number of unique_ids where unused
entries are empty. This allows the userspace software
to determine how many entries the controller supports.
If there are multiple controllers, each controller has
its own ACL list and size may be different between the
controllers.
System BIOS may have an option "Preboot ACL" or similar
that needs to be selected before this list is taken into
consideration.
Software always updates a full list in each write.
If a device is authorized automatically during boot its
boot attribute is set to 1.
What: /sys/bus/thunderbolt/devices/.../domainX/security
Date: Sep 2017
KernelVersion: 4.13
......@@ -12,6 +35,9 @@ Description: This attribute holds current Thunderbolt security level
minimum. User needs to authorize each device.
dponly: Automatically tunnel Display port (and USB). No
PCIe tunnels are created.
usbonly: Automatically tunnel USB controller of the
connected Thunderbolt dock (and Display Port). All
PCIe links downstream of the dock are removed.
What: /sys/bus/thunderbolt/devices/.../authorized
Date: Sep 2017
......@@ -38,6 +64,13 @@ Description: This attribute is used to authorize Thunderbolt devices
the device did not contain a key at all, and
EKEYREJECTED if the challenge response did not match.
What: /sys/bus/thunderbolt/devices/.../boot
Date: Jun 2018
KernelVersion: 4.17
Contact: thunderbolt-software@lists.01.org
Description: This attribute contains 1 if Thunderbolt device was already
authorized on boot and 0 otherwise.
What: /sys/bus/thunderbolt/devices/.../key
Date: Sep 2017
KernelVersion: 4.13
......
Documentation/ABI/testing/sysfs-bus-usb
View file @ 552c69b3
......@@ -189,6 +189,16 @@ Description:
The file will read "hotplug", "wired" and "not used" if the
information is available, and "unknown" otherwise.
What: /sys/bus/usb/devices/.../(hub interface)/portX/over_current_count
Date: February 2018
Contact: Richard Leitner <richard.leitner@skidata.com>
Description:
Most hubs are able to detect over-current situations on their
ports and report them to the kernel. This attribute is to expose
the number of over-current situation occurred on a specific port
to user space. This file will contain an unsigned 32 bit value
which wraps to 0 after its maximum is reached.
What: /sys/bus/usb/devices/.../(hub interface)/portX/usb3_lpm_permit
Date: November 2015
Contact: Lu Baolu <baolu.lu@linux.intel.com>
......
Documentation/ABI/testing/sysfs-class-backlight-adp5520 0 → 100644
View file @ 552c69b3
sysfs interface for analog devices adp5520(01) backlight driver
---------------------------------------------------------------
The backlight brightness control operates at three different levels for the
adp5520 and adp5501 devices: daylight (level 1), office (level 2) and dark
(level 3). By default the brightness operates at the daylight brightness level.
What: /sys/class/backlight/<backlight>/daylight_max
What: /sys/class/backlight/<backlight>/office_max
What: /sys/class/backlight/<backlight>/dark_max
Date: Sep, 2009
KernelVersion: v2.6.32
Contact: Michael Hennerich <michael.hennerich@analog.com>
Description:
(RW) Maximum current setting for the backlight when brightness
is at one of the three levels (daylight, office or dark). This
is an input code between 0 and 127, which is transformed to a
value between 0 mA and 30 mA using linear or non-linear
algorithms.
What: /sys/class/backlight/<backlight>/daylight_dim
What: /sys/class/backlight/<backlight>/office_dim
What: /sys/class/backlight/<backlight>/dark_dim
Date: Sep, 2009
KernelVersion: v2.6.32
Contact: Michael Hennerich <michael.hennerich@analog.com>
Description:
(RW) Dim current setting for the backlight when brightness is at
one of the three levels (daylight, office or dark). This is an
input code between 0 and 127, which is transformed to a value
between 0 mA and 30 mA using linear or non-linear algorithms.
Documentation/ABI/testing/sysfs-class-backlight-adp8860 0 → 100644
View file @ 552c69b3
sysfs interface for analog devices adp8860 backlight driver
-----------------------------------------------------------
The backlight brightness control operates at three different levels for the
adp8860, adp8861 and adp8863 devices: daylight (level 1), office (level 2) and
dark (level 3). By default the brightness operates at the daylight brightness
level.
What: /sys/class/backlight/<backlight>/ambient_light_level
Date: Apr, 2010
KernelVersion: v2.6.35
Contact: Michael Hennerich <michael.hennerich@analog.com>
Description:
(RO) 13-bit conversion value for the first light sensor—high
byte (Bit 12 to Bit 8). The value is updated every 80 ms (when
the light sensor is enabled).
What: /sys/class/backlight/<backlight>/ambient_light_zone
Date: Apr, 2010
KernelVersion: v2.6.35
Contact: Michael Hennerich <michael.hennerich@analog.com>
Description:
(RW) Read or write the specific level at which the backlight
operates. Value "0" enables automatic ambient light sensing, and
values "1", "2" or "3" set the control to daylight, office or
dark respectively.
What: /sys/class/backlight/<backlight>/l1_daylight_max
What: /sys/class/backlight/<backlight>/l2_office_max
What: /sys/class/backlight/<backlight>/l3_dark_max
Date: Apr, 2010
KernelVersion: v2.6.35
Contact: Michael Hennerich <michael.hennerich@analog.com>
Description:
(RW) Maximum current setting for the backlight when brightness
is at one of the three levels (daylight, office or dark). This
is an input code between 0 and 127, which is transformed to a
value between 0 mA and 30 mA using linear or non-linear
algorithms.
What: /sys/class/backlight/<backlight>/l1_daylight_dim
What: /sys/class/backlight/<backlight>/l2_office_dim
What: /sys/class/backlight/<backlight>/l3_dark_dim
Date: Apr, 2010
KernelVersion: v2.6.35
Contact: Michael Hennerich <michael.hennerich@analog.com>
Description:
(RW) Dim current setting for the backlight when brightness is at
one of the three levels (daylight, office or dark). This is an
input code between 0 and 127, which is transformed to a value
between 0 mA and 30 mA using linear or non-linear algorithms.
Documentation/ABI/testing/sysfs-class-backlight-lm3639 0 → 100644
View file @ 552c69b3
sysfs interface for Texas Instruments lm3639 backlight + flash led driver chip
------------------------------------------------------------------------------
What: /sys/class/backlight/<backlight>/bled_mode
Date: Oct, 2012
KernelVersion: v3.10
Contact: dri-devel@lists.freedesktop.org
Description:
(WO) Write to the backlight mapping mode. The backlight current
can be mapped for either exponential (value "0") or linear
mapping modes (default).
Documentation/ABI/testing/sysfs-class-bsr 0 → 100644
View file @ 552c69b3
What: /sys/class/bsr/bsr*/bsr_size
Date: Jul, 2008
KernelVersion: 2.6.27
Contact: Arnd Bergmann <arnd@arndb.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Description:
(RO) Size of the barrier-synchronization register (BSR)
register in bytes.
What: /sys/class/bsr/bsr*/bsr_length
Date: Jul, 2008
KernelVersion: 2.6.27
Contact: Arnd Bergmann <arnd@arndb.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Description:
(RO) The length of memory region that can be mapped in bytes.
What: /sys/class/bsr/bsr*/bsr_stride
Date: Jul, 2008
KernelVersion: 2.6.27
Contact: Arnd Bergmann <arnd@arndb.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Description:
(RO) The stride or the interval at which the allocated BSR bytes
repeat within the mapping.
Documentation/ABI/testing/sysfs-class-infiniband deleted 100644 → 0
View file @ 588558eb
What: /sys/class/infiniband/<hca>/ports/<port-number>/gid_attrs/ndevs/<gid-index>
Date: November 29, 2015
KernelVersion: 4.4.0
Contact: linux-rdma@vger.kernel.org
Description: The net-device's name associated with the GID resides
at index <gid-index>.
What: /sys/class/infiniband/<hca>/ports/<port-number>/gid_attrs/types/<gid-index>
Date: November 29, 2015
KernelVersion: 4.4.0
Contact: linux-rdma@vger.kernel.org
Description: The RoCE type of the associated GID resides at index <gid-index>.
This could either be "IB/RoCE v1" for IB and RoCE v1 based GODs
or "RoCE v2" for RoCE v2 based GIDs.
Documentation/ABI/testing/sysfs-class-lcd-s6e63m0 0 → 100644
View file @ 552c69b3
sysfs interface for the S6E63M0 AMOLED LCD panel driver
-------------------------------------------------------
What: /sys/class/lcd/<lcd>/gamma_mode
Date: May, 2010
KernelVersion: v2.6.35
Contact: dri-devel@lists.freedesktop.org
Description:
(RW) Read or write the gamma mode. Following three modes are
supported:
0 - gamma value 2.2,
1 - gamma value 1.9 and
2 - gamma value 1.7.
What: /sys/class/lcd/<lcd>/gamma_table
Date: May, 2010
KernelVersion: v2.6.35
Contact: dri-devel@lists.freedesktop.org
Description:
(RO) Displays the size of the gamma table i.e. the number of
gamma modes available.
This is a backlight lcd driver. These interfaces are an extension to the API
documented in Documentation/ABI/testing/sysfs-class-lcd and in
Documentation/ABI/stable/sysfs-class-backlight (under
/sys/class/backlight/<backlight>/).
Documentation/ABI/testing/sysfs-class-led-trigger-netdev 0 → 100644
View file @ 552c69b3
What: /sys/class/leds/<led>/device_name
Date: Dec 2017
KernelVersion: 4.16
Contact: linux-leds@vger.kernel.org
Description:
Specifies the network device name to monitor.
What: /sys/class/leds/<led>/interval
Date: Dec 2017
KernelVersion: 4.16
Contact: linux-leds@vger.kernel.org
Description:
Specifies the duration of the LED blink in milliseconds.
Defaults to 50 ms.
What: /sys/class/leds/<led>/link
Date: Dec 2017
KernelVersion: 4.16
Contact: linux-leds@vger.kernel.org
Description:
Signal the link state of the named network device.
If set to 0 (default), the LED's normal state is off.
If set to 1, the LED's normal state reflects the link state
of the named network device.
Setting this value also immediately changes the LED state.
What: /sys/class/leds/<led>/tx
Date: Dec 2017
KernelVersion: 4.16
Contact: linux-leds@vger.kernel.org
Description:
Signal transmission of data on the named network device.
If set to 0 (default), the LED will not blink on transmission.
If set to 1, the LED will blink for the milliseconds specified
in interval to signal transmission.
What: /sys/class/leds/<led>/rx
Date: Dec 2017
KernelVersion: 4.16
Contact: linux-leds@vger.kernel.org
Description:
Signal reception of data on the named network device.
If set to 0 (default), the LED will not blink on reception.
If set to 1, the LED will blink for the milliseconds specified
in interval to signal reception.
Documentation/ABI/testing/sysfs-class-mei
View file @ 552c69b3
......@@ -45,3 +45,12 @@ Contact: Tomas Winkler <tomas.winkler@intel.com>
Description: Display the driver HBM protocol version.
The HBM protocol version supported by the driver.
What: /sys/class/mei/meiN/tx_queue_limit
Date: Jan 2018
KernelVersion: 4.16
Contact: Tomas Winkler <tomas.winkler@intel.com>
Description: Configure tx queue limit
Set maximal number of pending writes
per opened session.
Documentation/ABI/testing/sysfs-class-net
View file @ 552c69b3
......@@ -259,3 +259,27 @@ Contact: netdev@vger.kernel.org
Description:
Symbolic link to the PHY device this network device is attached
to.
What: /sys/class/net/<iface>/carrier_changes
Date: Mar 2014
KernelVersion: 3.15
Contact: netdev@vger.kernel.org
Description:
32-bit unsigned integer counting the number of times the link has
seen a change from UP to DOWN and vice versa
What: /sys/class/net/<iface>/carrier_up_count
Date: Jan 2018
KernelVersion: 4.16
Contact: netdev@vger.kernel.org
Description:
32-bit unsigned integer counting the number of times the link has
been up
What: /sys/class/net/<iface>/carrier_down_count
Date: Jan 2018
KernelVersion: 4.16
Contact: netdev@vger.kernel.org
Description:
32-bit unsigned integer counting the number of times the link has
been down
Documentation/ABI/testing/sysfs-class-ocxl 0 → 100644
View file @ 552c69b3
What: /sys/class/ocxl/<afu name>/afu_version
Date: January 2018
Contact: linuxppc-dev@lists.ozlabs.org
Description: read only
Version of the AFU, in the format <major>:<minor>
Reflects what is read in the configuration space of the AFU
What: /sys/class/ocxl/<afu name>/contexts
Date: January 2018
Contact: linuxppc-dev@lists.ozlabs.org
Description: read only
Number of contexts for the AFU, in the format <n>/<max>
where:
n: number of currently active contexts, for debug
max: maximum number of contexts supported by the AFU
What: /sys/class/ocxl/<afu name>/pp_mmio_size
Date: January 2018
Contact: linuxppc-dev@lists.ozlabs.org
Description: read only
Size of the per-process mmio area, as defined in the
configuration space of the AFU
What: /sys/class/ocxl/<afu name>/global_mmio_size
Date: January 2018
Contact: linuxppc-dev@lists.ozlabs.org
Description: read only
Size of the global mmio area, as defined in the
configuration space of the AFU
What: /sys/class/ocxl/<afu name>/global_mmio_area
Date: January 2018
Contact: linuxppc-dev@lists.ozlabs.org
Description: read/write
Give access the global mmio area for the AFU
Documentation/ABI/testing/sysfs-class-pktcdvd
View file @ 552c69b3
What: /sys/class/pktcdvd/
Date: Oct. 2006
KernelVersion: 2.6.20
Contact: Thomas Maier <balagi@justmail.de>
Description:
sysfs interface
---------------
The pktcdvd module (packet writing driver) creates the following files in the
sysfs: (<devid> is in the format major:minor)
What: /sys/class/pktcdvd/add
What: /sys/class/pktcdvd/remove
What: /sys/class/pktcdvd/device_map
Date: Oct. 2006
KernelVersion: 2.6.20
Contact: Thomas Maier <balagi@justmail.de>
Description:
add: (WO) Write a block device id (major:minor) to
create a new pktcdvd device and map it to the
block device.
remove: (WO) Write the pktcdvd device id (major:minor)
to remove the pktcdvd device.
device_map: (RO) Shows the device mapping in format:
pktcdvd[0-7] <pktdevid> <blkdevid>
What: /sys/class/pktcdvd/pktcdvd[0-7]/dev
What: /sys/class/pktcdvd/pktcdvd[0-7]/uevent
Date: Oct. 2006
KernelVersion: 2.6.20
Contact: Thomas Maier <balagi@justmail.de>
Description:
dev: (RO) Device id
uevent: (WO) To send a uevent
What: /sys/class/pktcdvd/pktcdvd[0-7]/stat/packets_started
What: /sys/class/pktcdvd/pktcdvd[0-7]/stat/packets_finished
What: /sys/class/pktcdvd/pktcdvd[0-7]/stat/kb_written
What: /sys/class/pktcdvd/pktcdvd[0-7]/stat/kb_read
What: /sys/class/pktcdvd/pktcdvd[0-7]/stat/kb_read_gather
What: /sys/class/pktcdvd/pktcdvd[0-7]/stat/reset
Date: Oct. 2006
KernelVersion: 2.6.20
Contact: Thomas Maier <balagi@justmail.de>
Description:
packets_started: (RO) Number of started packets.
packets_finished: (RO) Number of finished packets.
kb_written: (RO) kBytes written.
kb_read: (RO) kBytes read.
kb_read_gather: (RO) kBytes read to fill write packets.
reset: (WO) Write any value to it to reset
pktcdvd device statistic values, like
bytes read/written.
What: /sys/class/pktcdvd/pktcdvd[0-7]/write_queue/size
What: /sys/class/pktcdvd/pktcdvd[0-7]/write_queue/congestion_off
What: /sys/class/pktcdvd/pktcdvd[0-7]/write_queue/congestion_on
Date: Oct. 2006
KernelVersion: 2.6.20
Contact: Thomas Maier <balagi@justmail.de>
Description:
size: (RO) Contains the size of the bio write queue.
congestion_off: (RW) If bio write queue size is below this mark,
accept new bio requests from the block layer.
The pktcdvd module (packet writing driver) creates
these files in the sysfs:
(<devid> is in format major:minor )
/sys/class/pktcdvd/
add (0200) Write a block device id (major:minor)
to create a new pktcdvd device and map
it to the block device.
remove (0200) Write the pktcdvd device id (major:minor)
to it to remove the pktcdvd device.
device_map (0444) Shows the device mapping in format:
pktcdvd[0-7] <pktdevid> <blkdevid>
/sys/class/pktcdvd/pktcdvd[0-7]/
dev (0444) Device id
uevent (0200) To send an uevent.
/sys/class/pktcdvd/pktcdvd[0-7]/stat/
packets_started (0444) Number of started packets.
packets_finished (0444) Number of finished packets.
kb_written (0444) kBytes written.
kb_read (0444) kBytes read.
kb_read_gather (0444) kBytes read to fill write packets.
reset (0200) Write any value to it to reset
pktcdvd device statistic values, like
bytes read/written.
/sys/class/pktcdvd/pktcdvd[0-7]/write_queue/
size (0444) Contains the size of the bio write
queue.
congestion_off (0644) If bio write queue size is below
this mark, accept new bio requests
from the block layer.
congestion_on (0644) If bio write queue size is higher
as this mark, do no longer accept
bio write requests from the block
layer and wait till the pktcdvd
device has processed enough bio's
so that bio write queue size is
below congestion off mark.
A value of <= 0 disables congestion
control.
congestion_on: (RW) If bio write queue size is higher as this
mark, do no longer accept bio write requests
from the block layer and wait till the pktcdvd
device has processed enough bio's so that bio
write queue size is below congestion off mark.
A value of <= 0 disables congestion control.
Example:
......
Documentation/ABI/testing/sysfs-class-rapidio 0 → 100644
View file @ 552c69b3
What: /sys/class/rapidio_port
Description:
On-chip RapidIO controllers and PCIe-to-RapidIO bridges
(referenced as "Master Port" or "mport") are presented in sysfs
as the special class of devices: "rapidio_port".
The /sys/class/rapidio_port subdirectory contains individual
subdirectories named as "rapidioN" where N = mport ID registered
with RapidIO subsystem.
NOTE: An mport ID is not a RapidIO destination ID assigned to a
given local mport device.
What: /sys/class/rapidio_port/rapidioN/sys_size
Date: Apr, 2014
KernelVersion: v3.15
Contact: Matt Porter <mporter@kernel.crashing.org>,
Alexandre Bounine <alexandre.bounine@idt.com>
Description:
(RO) reports RapidIO common transport system size:
0 = small (8-bit destination ID, max. 256 devices),
1 = large (16-bit destination ID, max. 65536 devices).
What: /sys/class/rapidio_port/rapidioN/port_destid
Date: Apr, 2014
KernelVersion: v3.15
Contact: Matt Porter <mporter@kernel.crashing.org>,
Alexandre Bounine <alexandre.bounine@idt.com>
Description:
(RO) reports RapidIO destination ID assigned to the given
RapidIO mport device. If value 0xFFFFFFFF is returned this means
that no valid destination ID have been assigned to the mport
(yet). Normally, before enumeration/discovery have been executed
only fabric enumerating mports have a valid destination ID
assigned to them using "hdid=..." rapidio module parameter.
After enumeration or discovery was performed for a given mport device,
the corresponding subdirectory will also contain subdirectories for each
child RapidIO device connected to the mport.
The example below shows mport device subdirectory with several child RapidIO
devices attached to it.
[rio@rapidio ~]$ ls /sys/class/rapidio_port/rapidio0/ -l
total 0
drwxr-xr-x 3 root root 0 Feb 11 15:10 00:e:0001
drwxr-xr-x 3 root root 0 Feb 11 15:10 00:e:0004
drwxr-xr-x 3 root root 0 Feb 11 15:10 00:e:0007
drwxr-xr-x 3 root root 0 Feb 11 15:10 00:s:0002
drwxr-xr-x 3 root root 0 Feb 11 15:10 00:s:0003
drwxr-xr-x 3 root root 0 Feb 11 15:10 00:s:0005
lrwxrwxrwx 1 root root 0 Feb 11 15:11 device -> ../../../0000:01:00.0
-r--r--r-- 1 root root 4096 Feb 11 15:11 port_destid
drwxr-xr-x 2 root root 0 Feb 11 15:11 power
lrwxrwxrwx 1 root root 0 Feb 11 15:04 subsystem -> ../../../../../../class/rapidio_port
-r--r--r-- 1 root root 4096 Feb 11 15:11 sys_size
-rw-r--r-- 1 root root 4096 Feb 11 15:04 uevent
Documentation/ABI/testing/sysfs-class-rtc 0 → 100644
View file @ 552c69b3
What: /sys/class/rtc/
Date: March 2006
KernelVersion: 2.6.17
Contact: linux-rtc@vger.kernel.org
Description:
The rtc/ class subdirectory belongs to the RTC subsystem.
What: /sys/class/rtc/rtcX/
Date: March 2006
KernelVersion: 2.6.17
Contact: linux-rtc@vger.kernel.org
Description:
The /sys/class/rtc/rtc{0,1,2,3,...} directories correspond
to each RTC device.
What: /sys/class/rtc/rtcX/date
Date: March 2006
KernelVersion: 2.6.17
Contact: linux-rtc@vger.kernel.org
Description:
(RO) RTC-provided date in YYYY-MM-DD format
What: /sys/class/rtc/rtcX/hctosys
Date: September 2009
KernelVersion: 2.6.32
Contact: linux-rtc@vger.kernel.org
Description:
(RO) 1 if the RTC provided the system time at boot via the
CONFIG_RTC_HCTOSYS kernel option, 0 otherwise
What: /sys/class/rtc/rtcX/max_user_freq
Date: October 2007
KernelVersion: 2.6.24
Contact: linux-rtc@vger.kernel.org
Description:
(RW) The maximum interrupt rate an unprivileged user may request
from this RTC.
What: /sys/class/rtc/rtcX/name
Date: March 2006
KernelVersion: 2.6.17
Contact: linux-rtc@vger.kernel.org
Description:
(RO) The name of the RTC corresponding to this sysfs directory
What: /sys/class/rtc/rtcX/range
Date: January 2018
KernelVersion: 4.16
Contact: linux-rtc@vger.kernel.org
Description:
Valid time range for the RTC, as seconds from epoch, formatted
as [min, max]
What: /sys/class/rtc/rtcX/since_epoch
Date: March 2006
KernelVersion: 2.6.17
Contact: linux-rtc@vger.kernel.org
Description:
(RO) RTC-provided time as the number of seconds since the epoch
What: /sys/class/rtc/rtcX/time
Date: March 2006
KernelVersion: 2.6.17
Contact: linux-rtc@vger.kernel.org
Description:
(RO) RTC-provided time in 24-hour notation (hh:mm:ss)
What: /sys/class/rtc/rtcX/offset
Date: February 2016
KernelVersion: 4.6
Contact: linux-rtc@vger.kernel.org
Description:
(RW) The amount which the rtc clock has been adjusted in
firmware. Visible only if the driver supports clock offset
adjustment. The unit is parts per billion, i.e. The number of
clock ticks which are added to or removed from the rtc's base
clock per billion ticks. A positive value makes a day pass more
slowly, longer, and a negative value makes a day pass more
quickly.
What: /sys/class/rtc/rtcX/wakealarm
Date: February 2007
KernelVersion: 2.6.20
Contact: linux-rtc@vger.kernel.org
Description:
(RW) The time at which the clock will generate a system wakeup
event. This is a one shot wakeup event, so must be reset after
wake if a daily wakeup is required. Format is seconds since the
epoch by default, or if there's a leading +, seconds in the
future, or if there is a leading +=, seconds ahead of the
current alarm.
Documentation/ABI/testing/sysfs-class-scsi_host
View file @ 552c69b3
......@@ -27,3 +27,92 @@ Description: This file contains the current status of the "SSD Smart Path"
the direct i/o path to physical devices. This setting is
controller wide, affecting all configured logical drives on the
controller. This file is readable and writable.
What: /sys/class/scsi_host/hostX/link_power_management_policy
Date: Oct, 2007
KernelVersion: v2.6.24
Contact: linux-ide@vger.kernel.org
Description:
(RW) This parameter allows the user to read and set the link
(interface) power management.
There are four possible options:
min_power: Tell the controller to try to make the link use the
least possible power when possible. This may sacrifice some
performance due to increased latency when coming out of lower
power states.
max_performance: Generally, this means no power management.
Tell the controller to have performance be a priority over power
management.
medium_power: Tell the controller to enter a lower power state
when possible, but do not enter the lowest power state, thus
improving latency over min_power setting.
med_power_with_dipm: Identical to the existing medium_power
setting except that it enables dipm (device initiated power
management) on top, which makes it match the Windows IRST (Intel
Rapid Storage Technology) driver settings. This setting is also
close to min_power, except that:
a) It does not use host-initiated slumber mode, but it does
allow device-initiated slumber
b) It does not enable low power device sleep mode (DevSlp).
What: /sys/class/scsi_host/hostX/em_message
What: /sys/class/scsi_host/hostX/em_message_type
Date: Jun, 2008
KernelVersion: v2.6.27
Contact: linux-ide@vger.kernel.org
Description:
em_message: (RW) Enclosure management support. For the LED
protocol, writes and reads correspond to the LED message format
as defined in the AHCI spec.
The user must turn sw_activity (under /sys/block/*/device/) OFF
it they wish to control the activity LED via the em_message
file.
em_message_type: (RO) Displays the current enclosure management
protocol that is being used by the driver (for eg. LED, SAF-TE,
SES-2, SGPIO etc).
What: /sys/class/scsi_host/hostX/ahci_port_cmd
What: /sys/class/scsi_host/hostX/ahci_host_caps
What: /sys/class/scsi_host/hostX/ahci_host_cap2
Date: Mar, 2010
KernelVersion: v2.6.35
Contact: linux-ide@vger.kernel.org
Description:
[to be documented]
What: /sys/class/scsi_host/hostX/ahci_host_version
Date: Mar, 2010
KernelVersion: v2.6.35
Contact: linux-ide@vger.kernel.org
Description:
(RO) Display the version of the AHCI spec implemented by the
host.
What: /sys/class/scsi_host/hostX/em_buffer
Date: Apr, 2010
KernelVersion: v2.6.35
Contact: linux-ide@vger.kernel.org
Description:
(RW) Allows access to AHCI EM (enclosure management) buffer
directly if the host supports EM.
For eg. the AHCI driver supports SGPIO EM messages but the
SATA/AHCI specs do not define the SGPIO message format of the EM
buffer. Different hardware(HW) vendors may have different
definitions. With the em_buffer attribute, this issue can be
solved by allowing HW vendors to provide userland drivers and
tools for their SGPIO initiators.
What: /sys/class/scsi_host/hostX/em_message_supported
Date: Oct, 2009
KernelVersion: v2.6.39
Contact: linux-ide@vger.kernel.org
Description:
(RO) Displays supported enclosure management message types.
Documentation/ABI/testing/sysfs-class-usb_role 0 → 100644
View file @ 552c69b3
What: /sys/class/usb_role/
Date: Jan 2018
Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Description:
Place in sysfs for USB Role Switches. USB Role Switch is a
device that can select the data role (host or device) for USB
port.
What: /sys/class/usb_role/<switch>/role
Date: Jan 2018
Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Description:
The current role of the switch. This attribute can be used for
requesting role swapping with non-USB Type-C ports. With USB
Type-C ports, the ABI defined for USB Type-C connector class
must be used.
Valid values:
- none
- host
- device
Documentation/ABI/testing/sysfs-devices-coredump 0 → 100644
View file @ 552c69b3
What: /sys/devices/.../coredump
Date: December 2017
Contact: Arend van Spriel <aspriel@gmail.com>
Description:
The /sys/devices/.../coredump attribute is only present when the
device is bound to a driver, which provides the .coredump()
callback. The attribute is write only. Anything written to this
file will trigger the .coredump() callback.
Available when CONFIG_DEV_COREDUMP is enabled.
Documentation/ABI/testing/sysfs-devices-platform-ACPI-TAD 0 → 100644
View file @ 552c69b3
ACPI Time and Alarm (TAD) device attributes.
What: /sys/bus/platform/devices/ACPI000E:00/caps
Date: March 2018
Contact: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Description:
(RO) Hexadecimal bitmask of the TAD attributes are reported by
the platform firmware (see ACPI 6.2, section 9.18.2):
BIT(0): AC wakeup implemented if set
BIT(1): DC wakeup implemented if set
BIT(2): Get/set real time features implemented if set
BIT(3): Real time accuracy in milliseconds if set
BIT(4): Correct status reported for wakeups from S4/S5 if set
BIT(5): The AC timer wakes up from S4 if set
BIT(6): The AC timer wakes up from S5 if set
BIT(7): The DC timer wakes up from S4 if set
BIT(8): The DC timer wakes up from S5 if set
The other bits are reserved.
What: /sys/bus/platform/devices/ACPI000E:00/ac_alarm
Date: March 2018
Contact: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Description:
(RW) The AC alarm timer value.
Reads return the current AC alarm timer value in seconds or
"disabled", if the AC alarm is not set to wake up the system.
Write a new AC alarm timer value in seconds or "disabled" to it
to set the AC alarm timer or to disable it, respectively.
If the AC alarm timer is set through this attribute and it
expires, it will immediately wake up the system from the S3
sleep state (and from S4/S5 too if supported) until its status
is explicitly cleared via the ac_status attribute.
What: /sys/bus/platform/devices/ACPI000E:00/ac_policy
Date: March 2018
Contact: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Description:
(RW) The AC alarm expired timer wake policy (see ACPI 6.2,
Section 9.18 for details).
Reads return the current expired timer wake delay for the AC
alarm timer or "never", if the policy is to discard AC timer
wakeups if the system is on DC power.
Write a new expired timer wake delay for the AC alarm timer in
seconds or "never" to it to set the expired timer wake delay for
the AC alarm timer or to set its expired wake policy to discard
wakeups if the system is on DC power, respectively.
What: /sys/bus/platform/devices/ACPI000E:00/ac_status
Date: March 2018
Contact: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Description:
(RW) The AC alarm status.
Reads return a hexadecimal bitmask representing the AC alarm
timer status with the following meaning of bits (see ACPI 6.2,
Section 9.18.5):
Bit(0): The timer has expired if set.
Bit(1): The timer has woken up the system from a sleep state
(S3 or S4/S5 if supported) if set.
The other bits are reserved.
Reads also cause the AC alarm timer status to be reset.
Another way to reset the the status of the AC alarm timer is to
write (the number) 0 to this file.
If the status return value indicates that the timer has expired,
it will immediately wake up the system from the S3 sleep state
(and from S4/S5 too if supported) until its status is explicitly
cleared through this attribute.
What: /sys/bus/platform/devices/ACPI000E:00/dc_alarm
Date: March 2018
Contact: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Description:
(RW,optional) The DC alarm timer value.
This attribute is only present if the TAD supports a separate
DC timer.
It is analogous to the ac_alarm attribute.
What: /sys/bus/platform/devices/ACPI000E:00/dc_policy
Date: March 2018
Contact: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Description:
(RW,optional) The DC alarm expired timer wake policy.
This attribute is only present if the TAD supports a separate
DC timer.
It is analogous to the ac_policy attribute.
What: /sys/bus/platform/devices/ACPI000E:00/dc_status
Date: March 2018
Contact: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Description:
(RW,optional) The DC alarm status.
This attribute is only present if the TAD supports a separate
DC timer.
It is analogous to the ac_status attribute.
Documentation/ABI/testing/sysfs-devices-platform-dock 0 → 100644
View file @ 552c69b3
What: /sys/devices/platform/dock.N/docked
Date: Dec, 2006
KernelVersion: 2.6.19
Contact: linux-acpi@vger.kernel.org
Description:
(RO) Value 1 or 0 indicates whether the software believes the
laptop is docked in a docking station.
What: /sys/devices/platform/dock.N/undock
Date: Dec, 2006
KernelVersion: 2.6.19
Contact: linux-acpi@vger.kernel.org
Description:
(WO) Writing to this file causes the software to initiate an
undock request to the firmware.
What: /sys/devices/platform/dock.N/uid
Date: Feb, 2007
KernelVersion: v2.6.21
Contact: linux-acpi@vger.kernel.org
Description:
(RO) Displays the docking station the laptop is docked to.
What: /sys/devices/platform/dock.N/flags
Date: May, 2007
KernelVersion: v2.6.21
Contact: linux-acpi@vger.kernel.org
Description:
(RO) Show dock station flags, useful for checking if undock
request has been made by the user (from the immediate_undock
option).
What: /sys/devices/platform/dock.N/type
Date: Aug, 2008
KernelVersion: v2.6.27
Contact: linux-acpi@vger.kernel.org
Description:
(RO) Display the dock station type- dock_station, ata_bay or
battery_bay.
Documentation/ABI/testing/sysfs-devices-platform-ipmi 0 → 100644
View file @ 552c69b3
What: /sys/devices/platform/ipmi_bmc.*/firmware_revision
Date: Mar, 2006
KernelVersion: v2.6.17
Contact: openipmi-developer@lists.sourceforge.net
Description:
(RO) The major and minor revision of the firmware.
What: /sys/devices/platform/ipmi_bmc.*/aux_firmware_revision
Date: Mar, 2006
KernelVersion: v2.6.17
Contact: openipmi-developer@lists.sourceforge.net
Description:
(RO) Holds additional information about the firmware revision,
such as boot block or internal data structure version numbers.
The meanings of the numbers are specific to the vendor
identified by Manufacturer ID.
What: /sys/devices/platform/ipmi_bmc.*/revision
Date: Mar, 2006
KernelVersion: v2.6.17
Contact: openipmi-developer@lists.sourceforge.net
Description:
(RO) Device revision. Useful for identifying if significant
hardware changes have been made to the implementation of the
management controller.
What: /sys/devices/platform/ipmi_bmc.*/provides_device_sdrs
Date: Mar, 2006
KernelVersion: v2.6.17
Contact: openipmi-developer@lists.sourceforge.net
Description:
(RO) Indicates whether device provides device sensor data
records (1) or not (0).
What: /sys/devices/platform/ipmi_bmc.*/device_id
Date: Mar, 2006
KernelVersion: v2.6.17
Contact: openipmi-developer@lists.sourceforge.net
Description:
(RO) Device id is specified by the manufacturer identified by
the Manufacturer ID field. This field allows controller specific
software to identify the unique application command, OEM
fields, and functionality that are provided by the controller
What: /sys/devices/platform/ipmi_bmc.*/additional_device_support
Date: Mar, 2006
KernelVersion: v2.6.17
Contact: openipmi-developer@lists.sourceforge.net
Description:
(RO) Lists the IPMI ‘logical device’ commands and functions
that the controller supports that are in addition to the
mandatory IPM and Application commands.
What: /sys/devices/platform/ipmi_bmc.*/ipmi_version
Date: Mar, 2006
KernelVersion: v2.6.17
Contact: openipmi-developer@lists.sourceforge.net
Description:
(RO) Displays the IPMI Command Specification Version.
What: /sys/devices/platform/ipmi_bmc.*/manufacturer_id
Date: Mar, 2006
KernelVersion: v2.6.17
Contact: openipmi-developer@lists.sourceforge.net
Description:
(RO) Identifies the manufacturer responsible for the
specification of functionality of the vendor (OEM)-specific
commands, codes, and interfaces used in the controller.
What: /sys/devices/platform/ipmi_bmc.*/product_id
Date: Mar, 2006
KernelVersion: v2.6.17
Contact: openipmi-developer@lists.sourceforge.net
Description:
(RO) Displays a number that identifies a particular system,
module, add-in card, or board set. The number is specified
according to the manufacturer given by Manufacturer ID.
For detailed definitions of the above attributes, refer to section 20.1 'Get
Device ID Command' of the IPMI specification v2.0.
What: /sys/devices/platform/ipmi_bmc.*/guid
Date: Mar, 2006
KernelVersion: v2.6.17
Contact: openipmi-developer@lists.sourceforge.net
Description:
(RO) A GUID (Globally Unique ID), also referred to as a UUID
(Universally Unique Identifier), for the management controller,
as described in section 20.8 'Get Device GUID Command' of the
IPMI specification v2.0.
What: /sys/devices/platform/ipmi_si.*/type
Date: Sep, 2017
KernelVersion: v4.15
Contact: openipmi-developer@lists.sourceforge.net
Description:
(RO) The device interface for IPMI "kcs", "smic", "bt" or
"invalid"
What: /sys/devices/platform/ipmi_si.*/idles
What: /sys/devices/platform/ipmi_si.*/watchdog_pretimeouts
What: /sys/devices/platform/ipmi_si.*/complete_transactions
What: /sys/devices/platform/ipmi_si.*/events
What: /sys/devices/platform/ipmi_si.*/interrupts
What: /sys/devices/platform/ipmi_si.*/hosed_count
What: /sys/devices/platform/ipmi_si.*/long_timeouts
What: /sys/devices/platform/ipmi_si.*/flag_fetches
What: /sys/devices/platform/ipmi_si.*/attentions
What: /sys/devices/platform/ipmi_si.*/incoming_messages
What: /sys/devices/platform/ipmi_si.*/short_timeouts
Date: Sep, 2017
KernelVersion: v4.15
Contact: openipmi-developer@lists.sourceforge.net
Description:
idles: (RO) Number of times the interface was
idle while being polled.
watchdog_pretimeouts: (RO) Number of watchdog pretimeouts.
complete_transactions: (RO) Number of completed messages.
events: (RO) Number of IPMI events received from
the hardware.
interrupts: (RO) Number of interrupts the driver
handled.
hosed_count: (RO) Number of times the hardware didn't
follow the state machine.
long_timeouts: (RO) Number of times the driver
requested a timer while nothing was in
progress.
flag_fetches: (RO) Number of times the driver
requested flags from the hardware.
attentions: (RO) Number of time the driver got an
ATTN from the hardware.
incoming_messages: (RO) Number of asynchronous messages
received.
short_timeouts: (RO) Number of times the driver
requested a timer while an operation was
in progress.
What: /sys/devices/platform/ipmi_si.*/interrupts_enabled
Date: Sep, 2017
KernelVersion: v4.15
Contact: openipmi-developer@lists.sourceforge.net
Description:
(RO) Indicates whether interrupts are enabled or not. The driver
disables interrupts when it gets into a situation where it
cannot handle messages due to lack of memory. Once that
situation clears up, it will re-enable interrupts.
What: /sys/devices/platform/ipmi_si.*/params
Date: Sep, 2017
KernelVersion: v4.15
Contact: openipmi-developer@lists.sourceforge.net
Description:
[to be documented]
What: /sys/devices/platform/dmi-ipmi-ssif.*/type
Date: Sep, 2017
KernelVersion: v4.15
Contact: openipmi-developer@lists.sourceforge.net
Description:
(RO) Shows the IMPI device interface type - "ssif" here.
What: /sys/devices/platform/dmi-ipmi-ssif.*/hosed
What: /sys/devices/platform/dmi-ipmi-ssif.*/alerts
What: /sys/devices/platform/dmi-ipmi-ssif.*/sent_messages
What: /sys/devices/platform/dmi-ipmi-ssif.*/sent_messages_parts
What: /sys/devices/platform/dmi-ipmi-ssif.*/received_messages
What: /sys/devices/platform/dmi-ipmi-ssif.*/received_message_parts
What: /sys/devices/platform/dmi-ipmi-ssif.*/events
What: /sys/devices/platform/dmi-ipmi-ssif.*/watchdog_pretimeouts
What: /sys/devices/platform/dmi-ipmi-ssif.*/flag_fetches
What: /sys/devices/platform/dmi-ipmi-ssif.*/send_retries
What: /sys/devices/platform/dmi-ipmi-ssif.*/receive_retries
What: /sys/devices/platform/dmi-ipmi-ssif.*/send_errors
What: /sys/devices/platform/dmi-ipmi-ssif.*/receive_errors
Date: Sep, 2017
KernelVersion: v4.15
Contact: openipmi-developer@lists.sourceforge.net
Description:
hosed: (RO) Number of times the hardware didn't
follow the state machine.
alerts: (RO) Number of alerts received.
sent_messages: (RO) Number of total messages sent.
sent_message_parts: (RO) Number of message parts sent.
Messages may be broken into parts if
they are long.
receieved_messages: (RO) Number of message responses
received.
received_message_parts: (RO) Number of message fragments
received.
events: (RO) Number of received events.
watchdog_pretimeouts: (RO) Number of watchdog pretimeouts.
flag_fetches: (RO) Number of times a flag fetch was
requested.
send_retries: (RO) Number of time a message was
retried.
receive_retries: (RO) Number of times the receive of a
message was retried.
send_errors: (RO) Number of times the send of a
message failed.
receive_errors: (RO) Number of errors in receiving
messages.
Documentation/ABI/testing/sysfs-devices-platform-trackpoint 0 → 100644
View file @ 552c69b3
What: /sys/devices/platform/i8042/.../sensitivity
Date: Aug, 2005
KernelVersion: 2.6.14
Contact: linux-input@vger.kernel.org
Description:
(RW) Trackpoint sensitivity.
What: /sys/devices/platform/i8042/.../intertia
Date: Aug, 2005
KernelVersion: 2.6.14
Contact: linux-input@vger.kernel.org
Description:
(RW) Negative inertia factor. High values cause the cursor to
snap backward when the trackpoint is released.
What: /sys/devices/platform/i8042/.../reach
Date: Aug, 2005
KernelVersion: 2.6.14
Contact: linux-input@vger.kernel.org
Description:
(RW) Backup range for z-axis press.
What: /sys/devices/platform/i8042/.../draghys
Date: Aug, 2005
KernelVersion: 2.6.14
Contact: linux-input@vger.kernel.org
Description:
(RW) The drag hysteresis controls how hard it is to drag with
z-axis pressed.
What: /sys/devices/platform/i8042/.../mindrag
Date: Aug, 2005
KernelVersion: 2.6.14
Contact: linux-input@vger.kernel.org
Description:
(RW) Minimum amount of force needed to trigger dragging.
What: /sys/devices/platform/i8042/.../speed
Date: Aug, 2005
KernelVersion: 2.6.14
Contact: linux-input@vger.kernel.org
Description:
(RW) Speed of the trackpoint cursor.
What: /sys/devices/platform/i8042/.../thresh
Date: Aug, 2005
KernelVersion: 2.6.14
Contact: linux-input@vger.kernel.org
Description:
(RW) Minimum value for z-axis force required to trigger a press
or release, relative to the running average.
What: /sys/devices/platform/i8042/.../upthresh
Date: Aug, 2005
KernelVersion: 2.6.14
Contact: linux-input@vger.kernel.org
Description:
(RW) The offset from the running average required to generate a
select (click) on z-axis on release.
What: /sys/devices/platform/i8042/.../ztime
Date: Aug, 2005
KernelVersion: 2.6.14
Contact: linux-input@vger.kernel.org
Description:
(RW) This attribute determines how sharp a press has to be in
order to be recognized.
What: /sys/devices/platform/i8042/.../jenks
Date: Aug, 2005
KernelVersion: 2.6.14
Contact: linux-input@vger.kernel.org
Description:
(RW) Minimum curvature in degrees required to generate a double
click without a release.
What: /sys/devices/platform/i8042/.../skipback
Date: Aug, 2005
KernelVersion: 2.6.14
Contact: linux-input@vger.kernel.org
Description:
(RW) When the skipback bit is set, backup cursor movement during
releases from drags will be suppressed. The default value for
this bit is 0.
What: /sys/devices/platform/i8042/.../ext_dev
Date: Aug, 2005
KernelVersion: 2.6.14
Contact: linux-input@vger.kernel.org
Description:
(RW) Disable (0) or enable (1) external pointing device.
What: /sys/devices/platform/i8042/.../press_to_select
Date: Aug, 2005
KernelVersion: 2.6.14
Contact: linux-input@vger.kernel.org
Description:
(RW) Writing a value of 1 to this file will enable the Press to
Select functions like tapping the control stick to simulate a
left click, and writing 0 will disable it.
What: /sys/devices/platform/i8042/.../drift_time
Date: Dec, 2014
KernelVersion: 3.19
Contact: linux-input@vger.kernel.org
Description:
(RW) This parameter controls the period of time to test for a
‘hands off’ condition (i.e. when no force is applied) before a
drift (noise) calibration occurs.
IBM Trackpoints have a feature to compensate for drift by
recalibrating themselves periodically. By default, if for 0.5
seconds there is no change in position, it's used as the new
zero. This duration is too low. Often, the calibration happens
when the trackpoint is in fact being used.
Documentation/ABI/testing/sysfs-devices-system-cpu
View file @ 552c69b3
......@@ -108,6 +108,8 @@ Description: CPU topology files that describe a logical CPU's relationship
What: /sys/devices/system/cpu/cpuidle/current_driver
/sys/devices/system/cpu/cpuidle/current_governer_ro
/sys/devices/system/cpu/cpuidle/available_governors
/sys/devices/system/cpu/cpuidle/current_governor
Date: September 2007
Contact: Linux kernel mailing list <linux-kernel@vger.kernel.org>
Description: Discover cpuidle policy and mechanism
......@@ -119,13 +121,109 @@ Description: Discover cpuidle policy and mechanism
Idle policy (governor) is differentiated from idle mechanism
(driver)
current_driver: displays current idle mechanism
current_driver: (RO) displays current idle mechanism
current_governor_ro: displays current idle policy
current_governor_ro: (RO) displays current idle policy
With the cpuidle_sysfs_switch boot option enabled (meant for
developer testing), the following three attributes are visible
instead:
current_driver: same as described above
available_governors: (RO) displays a space separated list of
available governors
current_governor: (RW) displays current idle policy. Users can
switch the governor at runtime by writing to this file.
See files in Documentation/cpuidle/ for more information.
What: /sys/devices/system/cpu/cpuX/cpuidle/stateN/name
/sys/devices/system/cpu/cpuX/cpuidle/stateN/latency
/sys/devices/system/cpu/cpuX/cpuidle/stateN/power
/sys/devices/system/cpu/cpuX/cpuidle/stateN/time
/sys/devices/system/cpu/cpuX/cpuidle/stateN/usage
Date: September 2007
KernelVersion: v2.6.24
Contact: Linux power management list <linux-pm@vger.kernel.org>
Description:
The directory /sys/devices/system/cpu/cpuX/cpuidle contains per
logical CPU specific cpuidle information for each online cpu X.
The processor idle states which are available for use have the
following attributes:
name: (RO) Name of the idle state (string).
latency: (RO) The latency to exit out of this idle state (in
microseconds).
power: (RO) The power consumed while in this idle state (in
milliwatts).
time: (RO) The total time spent in this idle state (in microseconds).
usage: (RO) Number of times this state was entered (a count).
What: /sys/devices/system/cpu/cpuX/cpuidle/stateN/desc
Date: February 2008
KernelVersion: v2.6.25
Contact: Linux power management list <linux-pm@vger.kernel.org>
Description:
(RO) A small description about the idle state (string).
What: /sys/devices/system/cpu/cpuX/cpuidle/stateN/disable
Date: March 2012
KernelVersion: v3.10
Contact: Linux power management list <linux-pm@vger.kernel.org>
Description:
(RW) Option to disable this idle state (bool). The behavior and
the effect of the disable variable depends on the implementation
of a particular governor. In the ladder governor, for example,
it is not coherent, i.e. if one is disabling a light state, then
all deeper states are disabled as well, but the disable variable
does not reflect it. Likewise, if one enables a deep state but a
lighter state still is disabled, then this has no effect.
What: /sys/devices/system/cpu/cpuX/cpuidle/stateN/residency
Date: March 2014
KernelVersion: v3.15
Contact: Linux power management list <linux-pm@vger.kernel.org>
Description:
(RO) Display the target residency i.e. the minimum amount of
time (in microseconds) this cpu should spend in this idle state
to make the transition worth the effort.
What: /sys/devices/system/cpu/cpuX/cpuidle/stateN/s2idle/
Date: March 2018
KernelVersion: v4.17
Contact: Linux power management list <linux-pm@vger.kernel.org>
Description:
Idle state usage statistics related to suspend-to-idle.
This attribute group is only present for states that can be
used in suspend-to-idle with suspended timekeeping.
What: /sys/devices/system/cpu/cpuX/cpuidle/stateN/s2idle/time
Date: March 2018
KernelVersion: v4.17
Contact: Linux power management list <linux-pm@vger.kernel.org>
Description:
Total time spent by the CPU in suspend-to-idle (with scheduler
tick suspended) after requesting this state.
What: /sys/devices/system/cpu/cpuX/cpuidle/stateN/s2idle/usage
Date: March 2018
KernelVersion: v4.17
Contact: Linux power management list <linux-pm@vger.kernel.org>
Description:
Total number of times this state has been requested by the CPU
while entering suspend-to-idle.
What: /sys/devices/system/cpu/cpu#/cpufreq/*
Date: pre-git history
Contact: linux-pm@vger.kernel.org
......
Documentation/ABI/testing/sysfs-driver-fsi-master-gpio 0 → 100644
View file @ 552c69b3
What: /sys/bus/platform/devices/[..]/fsi-master-gpio/external_mode
Date: Feb 2018
KernelVersion: 4.17
Contact: jk@ozlabs.org
Description:
Controls access arbitration for GPIO-based FSI master. A
value of 0 (the default) sets normal mode, where the
driver performs FSI bus transactions, 1 sets external mode,
where the FSI bus is driven externally (for example, by
a debug device).
Documentation/ABI/testing/sysfs-driver-hid-logitech-hidpp 0 → 100644
View file @ 552c69b3
What: /sys/bus/hid/drivers/logitech-hidpp-device/<dev>/range
Date: Jan, 2016
KernelVersion: 4.6
Contact: linux-input@vger.kernel.org
Description:
(RW) This attribute controls the amount of 'turn' permitted in
Logitech G920 wheel. Reading from the file shows the current
range of the steering wheel. Writing a value within the min and
max boundary sets the range of the wheel.
What: /sys/bus/hid/drivers/logitech-hidpp-device/<dev>/builtin_power_supply
Date: Apr, 2017
KernelVersion: 4.12
Contact: linux-input@vger.kernel.org
Description:
Presence of this file indicates that HID++ driver is capable of
handling battery properties in the kernel. This way, upower can
add a udev rule to decide whether or not it should use the
internal unifying support or the generic kernel one.
Documentation/ABI/testing/sysfs-driver-hid-ntrig 0 → 100644
View file @ 552c69b3
What: /sys/bus/hid/drivers/ntrig/<dev>/activate_slack
Date: May, 2010
KernelVersion: 2.6.35
Contact: linux-input@vger.kernel.org
Description:
(RW) Number of contact frames ignored before acknowledging the
start of activity (activating touch).
What: /sys/bus/hid/drivers/ntrig/<dev>/decativate_slack
Date: May, 2010
KernelVersion: 2.6.35
Contact: linux-input@vger.kernel.org
Description:
(RW) Number of empty (no contact) frames ignored before
acknowledging the end of activity (deactivating touch).
When the last finger is removed from the device, it sends a
number of empty frames. By holding off on deactivation for a few
frames false erroneous disconnects can be tolerated, where the
sensor may mistakenly not detect a finger that is still present.
What: /sys/bus/hid/drivers/ntrig/<dev>/activation_width
What: /sys/bus/hid/drivers/ntrig/<dev>/activation_height
Date: May, 2010
KernelVersion: 2.6.35
Contact: linux-input@vger.kernel.org
Description:
Threholds to override activation slack.
activation_width: (RW) Width threshold to immediately
start processing touch events.
activation_height: (RW) Height threshold to immediately
start processing touch events.
What: /sys/bus/hid/drivers/ntrig/<dev>/min_width
What: /sys/bus/hid/drivers/ntrig/<dev>/min_height
Date: May, 2010
KernelVersion: 2.6.35
Contact: linux-input@vger.kernel.org
Description:
Minimum size contact accepted.
min_width: (RW) Minimum touch contact width to decide
activation and activity.
min_height: (RW) Minimum touch contact height to decide
activation and activity.
What: /sys/bus/hid/drivers/ntrig/<dev>/sensor_physical_width
What: /sys/bus/hid/drivers/ntrig/<dev>/sensor_physical_height
Date: May, 2010
KernelVersion: 2.6.35
Contact: linux-input@vger.kernel.org
Description:
(RO) These are internal ranges not used for normal events but
useful for tuning.
What: /sys/bus/hid/drivers/ntrig/<dev>/sensor_logical_width
What: /sys/bus/hid/drivers/ntrig/<dev>/sensor_logical_height
Date: May, 2010
KernelVersion: 2.6.35
Contact: linux-input@vger.kernel.org
Description:
(RO) The range for positions reported during activity.
Documentation/ABI/testing/sysfs-driver-samsung-laptop
View file @ 552c69b3
......@@ -3,7 +3,7 @@ Date: January 1, 2010
KernelVersion: 2.6.33
Contact: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Description: Some Samsung laptops have different "performance levels"
that are can be modified by a function key, and by this
that can be modified by a function key, and by this
sysfs file. These values don't always make a whole lot
of sense, but some users like to modify them to keep
their fans quiet at all costs. Reading from this file
......
Documentation/ABI/testing/sysfs-driver-ufs 0 → 100644
View file @ 552c69b3
This diff is collapsed.
Documentation/ABI/testing/sysfs-fs-f2fs
View file @ 552c69b3
......@@ -186,3 +186,20 @@ Date: August 2017
Contact: "Jaegeuk Kim" <jaegeuk@kernel.org>
Description:
Controls sleep time of GC urgent mode
What: /sys/fs/f2fs/<disk>/readdir_ra
Date: November 2017
Contact: "Sheng Yong" <shengyong1@huawei.com>
Description:
Controls readahead inode block in readdir.
What: /sys/fs/f2fs/<disk>/extension_list
Date: Feburary 2018
Contact: "Chao Yu" <yuchao0@huawei.com>
Description:
Used to control configure extension list:
- Query: cat /sys/fs/f2fs/<disk>/extension_list
- Add: echo '[h/c]extension' > /sys/fs/f2fs/<disk>/extension_list
- Del: echo '[h/c]!extension' > /sys/fs/f2fs/<disk>/extension_list
- [h] means add/del hot file extension
- [c] means add/del cold file extension
Documentation/ABI/testing/sysfs-kernel-irq
View file @ 552c69b3
......@@ -51,3 +51,10 @@ Date: September 2016
KernelVersion: 4.9
Contact: Craig Gallek <kraig@google.com>
Description: The type of the interrupt. Either the string 'level' or 'edge'.
What: /sys/kernel/irq/<irq>/wakeup
Date: March 2018
KernelVersion: 4.17
Contact: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Description: The wakeup state of the interrupt. Either the string
'enabled' or 'disabled'.
Documentation/ABI/testing/sysfs-kernel-livepatch
View file @ 552c69b3
......@@ -33,6 +33,32 @@ Description:
An attribute which indicates whether the patch is currently in
transition.
What: /sys/kernel/livepatch/<patch>/signal
Date: Nov 2017
KernelVersion: 4.15.0
Contact: live-patching@vger.kernel.org
Description:
A writable attribute that allows administrator to affect the
course of an existing transition. Writing 1 sends a fake
signal to all remaining blocking tasks. The fake signal
means that no proper signal is delivered (there is no data in
signal pending structures). Tasks are interrupted or woken up,
and forced to change their patched state.
What: /sys/kernel/livepatch/<patch>/force
Date: Nov 2017
KernelVersion: 4.15.0
Contact: live-patching@vger.kernel.org
Description:
A writable attribute that allows administrator to affect the
course of an existing transition. Writing 1 clears
TIF_PATCH_PENDING flag of all tasks and thus forces the tasks to
the patched or unpatched state. Administrator should not
use this feature without a clearance from a patch
distributor. Removal (rmmod) of patch modules is permanently
disabled when the feature is used. See
Documentation/livepatch/livepatch.txt for more information.
What: /sys/kernel/livepatch/<patch>/<object>
Date: Nov 2014
KernelVersion: 3.19.0
......
Documentation/ABI/testing/sysfs-platform-dptf 0 → 100644
View file @ 552c69b3
What: /sys/bus/platform/devices/INT3407:00/dptf_power/charger_type
Date: Jul, 2016
KernelVersion: v4.10
Contact: linux-acpi@vger.kernel.org
Description:
(RO) The charger type - Traditional, Hybrid or NVDC.
What: /sys/bus/platform/devices/INT3407:00/dptf_power/adapter_rating_mw
Date: Jul, 2016
KernelVersion: v4.10
Contact: linux-acpi@vger.kernel.org
Description:
(RO) Adapter rating in milliwatts (the maximum Adapter power).
Must be 0 if no AC Adaptor is plugged in.
What: /sys/bus/platform/devices/INT3407:00/dptf_power/max_platform_power_mw
Date: Jul, 2016
KernelVersion: v4.10
Contact: linux-acpi@vger.kernel.org
Description:
(RO) Maximum platform power that can be supported by the battery
in milliwatts.
What: /sys/bus/platform/devices/INT3407:00/dptf_power/platform_power_source
Date: Jul, 2016
KernelVersion: v4.10
Contact: linux-acpi@vger.kernel.org
Description:
(RO) Display the platform power source
0x00 = DC
0x01 = AC
0x02 = USB
0x03 = Wireless Charger
What: /sys/bus/platform/devices/INT3407:00/dptf_power/battery_steady_power
Date: Jul, 2016
KernelVersion: v4.10
Contact: linux-acpi@vger.kernel.org
Description:
(RO) The maximum sustained power for battery in milliwatts.
Documentation/ABI/testing/sysfs-power
View file @ 552c69b3
......@@ -287,3 +287,17 @@ Description:
Writing a "1" to this file enables the debug messages and
writing a "0" (default) to it disables them. Reads from
this file return the current value.
What: /sys/power/resume_offset
Date: April 2018
Contact: Mario Limonciello <mario.limonciello@dell.com>
Description:
This file is used for telling the kernel an offset into a disk
to use when hibernating the system such as with a swap file.
Reads from this file will display the current offset
the kernel will be using on the next hibernation
attempt.
Using this sysfs file will override any values that were
set using the kernel command line for disk offset.
\ No newline at end of file
Documentation/IRQ-domain.txt
View file @ 552c69b3
......@@ -265,37 +265,5 @@ support other architectures, such as ARM, ARM64 etc.
=== Debugging ===
If you switch on CONFIG_IRQ_DOMAIN_DEBUG (which depends on
CONFIG_IRQ_DOMAIN and CONFIG_DEBUG_FS), you will find a new file in
your debugfs mount point, called irq_domain_mapping. This file
contains a live snapshot of all the IRQ domains in the system:
name mapped linear-max direct-max devtree-node
pl061 8 8 0 /smb/gpio@e0080000
pl061 8 8 0 /smb/gpio@e1050000
pMSI 0 0 0 /interrupt-controller@e1101000/v2m@e0080000
MSI 37 0 0 /interrupt-controller@e1101000/v2m@e0080000
GICv2m 37 0 0 /interrupt-controller@e1101000/v2m@e0080000
GICv2 448 448 0 /interrupt-controller@e1101000
it also iterates over the interrupts to display their mapping in the
domains, and makes the domain stacking visible:
irq hwirq chip name chip data active type domain
1 0x00019 GICv2 0xffff00000916bfd8 * LINEAR GICv2
2 0x0001d GICv2 0xffff00000916bfd8 LINEAR GICv2
3 0x0001e GICv2 0xffff00000916bfd8 * LINEAR GICv2
4 0x0001b GICv2 0xffff00000916bfd8 * LINEAR GICv2
5 0x0001a GICv2 0xffff00000916bfd8 LINEAR GICv2
[...]
96 0x81808 MSI 0x (null) RADIX MSI
96+ 0x00063 GICv2m 0xffff8003ee116980 RADIX GICv2m
96+ 0x00063 GICv2 0xffff00000916bfd8 LINEAR GICv2
97 0x08800 MSI 0x (null) * RADIX MSI
97+ 0x00064 GICv2m 0xffff8003ee116980 * RADIX GICv2m
97+ 0x00064 GICv2 0xffff00000916bfd8 * LINEAR GICv2
Here, interrupts 1-5 are only using a single domain, while 96 and 97
are build out of a stack of three domain, each level performing a
particular function.
Most of the internals of the IRQ subsystem are exposed in debugfs by
turning CONFIG_GENERIC_IRQ_DEBUGFS on.
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......@@ -570,7 +570,9 @@ your driver if they're helpful, or just use plain hex constants.
The device IDs are arbitrary hex numbers (vendor controlled) and normally used
only in a single location, the pci_device_id table.
Please DO submit new vendor/device IDs to http://pciids.sourceforge.net/.
Please DO submit new vendor/device IDs to http://pci-ids.ucw.cz/.
There are mirrors of the pci.ids file at http://pciids.sourceforge.net/
and https://github.com/pciutils/pciids.
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APM Advanced Power Management support is enabled.
ARM ARM architecture is enabled.
AX25 Appropriate AX.25 support is enabled.
BLACKFIN Blackfin architecture is enabled.
CLK Common clock infrastructure is enabled.
CMA Contiguous Memory Area support is enabled.
DRM Direct Rendering Management support is enabled.
......
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