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/Documentation/ABI/stable/
Dsysfs-driver-mlxreg-io1 What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/asic_health
11 What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld1_version
12 What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld2_version
21 What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/fan_dir
32 What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld3_version
42 What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/jtag_enable
52 What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/select_iio
56 Description: This file allows iio devices selection.
59 selects which one of iio devices can be accessed.
63 What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/psu1_on
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Dsysfs-devices-node1 What: /sys/devices/system/node/possible
7 What: /sys/devices/system/node/online
13 What: /sys/devices/system/node/has_normal_memory
19 What: /sys/devices/system/node/has_cpu
25 What: /sys/devices/system/node/has_high_memory
32 What: /sys/devices/system/node/nodeX
40 What: /sys/devices/system/node/nodeX/cpumap
46 What: /sys/devices/system/node/nodeX/cpulist
52 What: /sys/devices/system/node/nodeX/meminfo
59 What: /sys/devices/system/node/nodeX/numastat
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Dsysfs-bus-vmbus1 What: /sys/bus/vmbus/devices/<UUID>/id
8 What: /sys/bus/vmbus/devices/<UUID>/class_id
15 What: /sys/bus/vmbus/devices/<UUID>/device_id
22 What: /sys/bus/vmbus/devices/<UUID>/channel_vp_mapping
31 What: /sys/bus/vmbus/devices/<UUID>/device
38 What: /sys/bus/vmbus/devices/<UUID>/vendor
45 What: /sys/bus/vmbus/devices/<UUID>/numa_node
52 What: /sys/bus/vmbus/devices/<UUID>/channels/<N>
59 What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/cpu
66 What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/cpu
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/Documentation/ABI/testing/
Dsysfs-devices-memory1 What: /sys/devices/system/memory
5 The /sys/devices/system/memory contains a snapshot of the
12 What: /sys/devices/system/memory/memoryX/removable
16 The file /sys/devices/system/memory/memoryX/removable
24 What: /sys/devices/system/memory/memoryX/phys_device
28 The file /sys/devices/system/memory/memoryX/phys_device
32 What: /sys/devices/system/memory/memoryX/phys_index
36 The file /sys/devices/system/memory/memoryX/phys_index
41 What: /sys/devices/system/memory/memoryX/state
45 The file /sys/devices/system/memory/memoryX/state
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Dsysfs-devices-platform-ipmi1 What: /sys/devices/platform/ipmi_bmc.*/firmware_revision
9 What: /sys/devices/platform/ipmi_bmc.*/aux_firmware_revision
20 What: /sys/devices/platform/ipmi_bmc.*/revision
30 What: /sys/devices/platform/ipmi_bmc.*/provides_device_sdrs
39 What: /sys/devices/platform/ipmi_bmc.*/device_id
50 What: /sys/devices/platform/ipmi_bmc.*/additional_device_support
60 What: /sys/devices/platform/ipmi_bmc.*/ipmi_version
68 What: /sys/devices/platform/ipmi_bmc.*/manufacturer_id
78 What: /sys/devices/platform/ipmi_bmc.*/product_id
91 What: /sys/devices/platform/ipmi_bmc.*/guid
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Dsysfs-platform-hidma-mgmt1 What: /sys/devices/platform/hidma-mgmt*/chanops/chan*/priority
2 /sys/devices/platform/QCOM8060:*/chanops/chan*/priority
10 What: /sys/devices/platform/hidma-mgmt*/chanops/chan*/weight
11 /sys/devices/platform/QCOM8060:*/chanops/chan*/weight
19 What: /sys/devices/platform/hidma-mgmt*/chreset_timeout_cycles
20 /sys/devices/platform/QCOM8060:*/chreset_timeout_cycles
31 What: /sys/devices/platform/hidma-mgmt*/dma_channels
32 /sys/devices/platform/QCOM8060:*/dma_channels
40 What: /sys/devices/platform/hidma-mgmt*/hw_version_major
41 /sys/devices/platform/QCOM8060:*/hw_version_major
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Dsysfs-devices-system-cpu1 What: /sys/devices/system/cpu/
10 /sys/devices/system/cpu/cpu#/
12 What: /sys/devices/system/cpu/kernel_max
13 /sys/devices/system/cpu/offline
14 /sys/devices/system/cpu/online
15 /sys/devices/system/cpu/possible
16 /sys/devices/system/cpu/present
40 What: /sys/devices/system/cpu/probe
41 /sys/devices/system/cpu/release
56 What: /sys/devices/system/cpu/cpu#/node
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Dsysfs-devices1 What: /sys/devices
5 The /sys/devices tree contains a snapshot of the
6 internal state of the kernel device tree. Devices will
9 devices within this tree will change.
15 within the /sys/devices tree of the individual devices.
17 devices being added and removed from this tree to find
18 the location of those devices.
20 Note that sometimes not all devices along the directory
Dsysfs-devices-soc1 What: /sys/devices/socX
5 The /sys/devices/ directory contains a sub-directory for each
11 about devices which are commonly contained in /sys/devices/platform.
13 devices would be better suited to appear as children of that SoC.
15 What: /sys/devices/socX/machine
22 What: /sys/devices/socX/family
29 What: /sys/devices/socX/serial_number
36 What: /sys/devices/socX/soc_id
43 What: /sys/devices/socX/revision
50 What: /sys/devices/socX/process
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Dsysfs-devices-power1 What: /sys/devices/.../power/
5 The /sys/devices/.../power directory contains attributes
9 What: /sys/devices/.../power/wakeup
13 The /sys/devices/.../power/wakeup attribute allows the user
19 Some devices support "wakeup" events, which are hardware signals
20 used to activate the system from a sleep state. Such devices
31 For the devices that are not capable of generating system wakeup
35 What: /sys/devices/.../power/control
39 The /sys/devices/.../power/control attribute allows the user
42 All devices have one of the following two values for the
[all …]
Dsysfs-bus-coresight-devices-etm4x1 What: /sys/bus/coresight/devices/<memory_map>.etm/enable_source
11 What: /sys/bus/coresight/devices/<memory_map>.etm/cpu
17 What: /sys/bus/coresight/devices/<memory_map>.etm/nr_pe_cmp
24 What: /sys/bus/coresight/devices/<memory_map>.etm/nr_addr_cmp
31 What: /sys/bus/coresight/devices/<memory_map>.etm/nr_cntr
38 What: /sys/bus/coresight/devices/<memory_map>.etm/nr_ext_inp
44 What: /sys/bus/coresight/devices/<memory_map>.etm/numcidc
51 What: /sys/bus/coresight/devices/<memory_map>.etm/numvmidc
58 What: /sys/bus/coresight/devices/<memory_map>.etm/nrseqstate
65 What: /sys/bus/coresight/devices/<memory_map>.etm/nr_resource
[all …]
Dsysfs-bus-iio1 What: /sys/bus/iio/devices/iio:deviceX
9 What: /sys/bus/iio/devices/triggerX
22 What: /sys/bus/iio/devices/iio:deviceX/buffer
28 What: /sys/bus/iio/devices/iio:deviceX/name
35 What: /sys/bus/iio/devices/iio:deviceX/current_timestamp_clock
42 What: /sys/bus/iio/devices/iio:deviceX/sampling_frequency
43 What: /sys/bus/iio/devices/iio:deviceX/buffer/sampling_frequency
44 What: /sys/bus/iio/devices/triggerX/sampling_frequency
48 Some devices have internal clocks. This parameter sets the
49 resulting sampling frequency. In many devices this
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Dsysfs-bus-thunderbolt1 What: /sys/bus/thunderbolt/devices/.../domainX/boot_acl
7 startup (e.g boot devices). The list always contains
24 What: /sys/bus/thunderbolt/devices/.../domainX/iommu_dma_protection
33 What: /sys/bus/thunderbolt/devices/.../domainX/security
40 none: All devices are automatically authorized
41 user: Devices are only authorized based on writing
43 secure: Require devices that support secure connect at
51 What: /sys/bus/thunderbolt/devices/.../authorized
55 Description: This attribute is used to authorize Thunderbolt devices
57 authorized, no devices such as PCIe and Display port are
[all …]
Dsysfs-bus-coresight-devices-etm3x1 What: /sys/bus/coresight/devices/<memory_map>.[etm|ptm]/enable_source
11 What: /sys/bus/coresight/devices/<memory_map>.[etm|ptm]/addr_idx
18 What: /sys/bus/coresight/devices/<memory_map>.[etm|ptm]/addr_acctype
29 What: /sys/bus/coresight/devices/<memory_map>.[etm|ptm]/addr_range
37 What: /sys/bus/coresight/devices/<memory_map>.[etm|ptm]/addr_single
45 What: /sys/bus/coresight/devices/<memory_map>.[etm|ptm]/addr_start
53 What: /sys/bus/coresight/devices/<memory_map>.[etm|ptm]/addr_stop
61 What: /sys/bus/coresight/devices/<memory_map>.[etm|ptm]/cntr_idx
67 What: /sys/bus/coresight/devices/<memory_map>.[etm|ptm]/cntr_event
74 What: /sys/bus/coresight/devices/<memory_map>.[etm|ptm]/cntr_val
[all …]
Dsysfs-devices-lpss_ltr1 What: /sys/devices/.../lpss_ltr/
5 The /sys/devices/.../lpss_ltr/ directory is only present for
6 devices included into the Intel Lynxpoint Low Power Subsystem
10 What: /sys/devices/.../lpss_ltr/ltr_mode
14 The /sys/devices/.../lpss_ltr/ltr_mode attribute contains an
15 integer number (0 or 1) indicating whether or not the devices'
22 What: /sys/devices/.../lpss_ltr/auto_ltr
26 The /sys/devices/.../lpss_ltr/auto_ltr attribute contains the
34 What: /sys/devices/.../lpss_ltr/sw_ltr
38 The /sys/devices/.../lpss_ltr/auto_ltr attribute contains the
Dsysfs-bus-iio-frequency-ad95231 What: /sys/bus/iio/devices/iio:deviceX/pll2_feedback_clk_present
2 What: /sys/bus/iio/devices/iio:deviceX/pll2_reference_clk_present
3 What: /sys/bus/iio/devices/iio:deviceX/pll1_reference_clk_a_present
4 What: /sys/bus/iio/devices/iio:deviceX/pll1_reference_clk_b_present
5 What: /sys/bus/iio/devices/iio:deviceX/pll1_reference_clk_test_present
6 What: /sys/bus/iio/devices/iio:deviceX/vcxo_clk_present
14 What: /sys/bus/iio/devices/iio:deviceX/pllY_locked
21 What: /sys/bus/iio/devices/iio:deviceX/sync_dividers
Dsysfs-bus-usb1 What: /sys/bus/usb/devices/INTERFACE/authorized
14 What: /sys/bus/usb/devices/usbX/interface_authorized_default
26 Authorized devices are available for use by device
28 USB devices are authorized.
30 Certified Wireless USB devices are not authorized
39 For Certified Wireless USB devices only.
41 A devices's CDID, as 16 space-separated hex octets.
48 For Certified Wireless USB devices only.
59 For Certified Wireless USB devices only.
123 What: /sys/bus/usb/devices/.../power/usb2_hardware_lpm
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Dsysfs-bus-i3c1 What: /sys/bus/i3c/devices/i3c-<bus-id>
8 What: /sys/bus/i3c/devices/i3c-<bus-id>/current_master
17 What: /sys/bus/i3c/devices/i3c-<bus-id>/mode
25 What: /sys/bus/i3c/devices/i3c-<bus-id>/i3c_scl_frequency
32 What: /sys/bus/i3c/devices/i3c-<bus-id>/i2c_scl_frequency
39 What: /sys/bus/i3c/devices/i3c-<bus-id>/dynamic_address
46 What: /sys/bus/i3c/devices/i3c-<bus-id>/bcr
56 What: /sys/bus/i3c/devices/i3c-<bus-id>/dcr
66 What: /sys/bus/i3c/devices/i3c-<bus-id>/pid
72 vendor, the part and an instance ID so that several devices of
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/Documentation/driver-api/
Ddevice_connection.rst8 Devices often have connections to other devices that are outside of the direct
12 drivers need to be able to control the clocks or the GPIOs for their devices,
16 two separate devices.
18 Device connections alone do not create a dependency between the two devices.
19 They are only descriptions which are not tied to either of the devices directly.
20 A dependency between the two devices exists only if one of the two endpoint
21 devices requests a reference to the other. The descriptions themselves can be
32 The connection description consists of the names of the two devices with the
34 is needed if there are multiple connections between the two devices.
36 After a description exists, the devices in it can request reference to the other
Ds390-drivers.rst11 drive s390 based channel attached I/O devices. This includes interfaces
21 While most I/O devices on a s390 system are typically driven through the
25 The s390 common I/O layer also provides access to some devices that are
26 not strictly considered I/O devices. They are considered here as well,
50 The ccw bus typically contains the majority of devices available to a
52 command structure used to address its devices, the ccw bus contains
53 so-called channel attached devices. They are addressed via I/O
55 channel-attached devices, however, will never interact with the
59 I/O functions for channel-attached devices
70 ccw devices
[all …]
/Documentation/s390/
Dcommon_io.rst19 The given devices will be ignored by the common I/O-layer; no detection
20 and device sensing will be done on any of those devices. The subchannel to
27 The devices must be given either as bus ids (0.x.abcd) or as hexadecimal
31 You can use the 'all' keyword to ignore all devices. The 'ipldev' and 'condev'
42 will ignore all devices ranging from 0.0.0023 to 0.0.0042 and the device
49 will ignore all devices but 0.0.4711, 0.0.fd00, 0.0.fd01, 0.0.fd02.
51 By default, no devices are ignored.
59 Lists the ranges of devices (by bus id) which are ignored by common I/O.
61 You can un-ignore certain or all devices by piping to /proc/cio_ignore.
62 "free all" will un-ignore all ignored devices,
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/Documentation/admin-guide/
Dsysfs-rules.rst38 - devices are only "devices"
39 There is no such thing like class-, bus-, physical devices,
43 applications that look for devices in sysfs.
47 - devpath (``/devices/pci0000:00/0000:00:1d.1/usb2/2-2/2-2:1.0``)
55 pointing to /sys/devices must always be resolved to their real
80 - devices which do not have "driver"-link just do not have a
94 - Properties of parent devices never belong into a child device.
95 Always look at the parent devices themselves for determining device
104 and this is below: ``/sys/devices.``
109 There are currently three places for classification of devices:
[all …]
/Documentation/usb/
Dauthorization.rst2 Authorizing (or not) your USB devices to connect to the system
9 of USB devices, fully controlled by user space.
21 $ echo 1 > /sys/bus/usb/devices/DEVICE/authorized
25 $ echo 0 > /sys/bus/usb/devices/DEVICE/authorized
27 Set new devices connected to hostX to be deauthorized by default (ie:
30 $ echo 0 > /sys/bus/usb/devices/usbX/authorized_default
34 $ echo 1 > /sys/bus/usb/devices/usbX/authorized_default
36 By default, Wired USB devices are authorized by default to
38 devices (this is so because we need to do an authentication phase
40 causes kernel to only authorize by default devices connected to internal
[all …]
/Documentation/devicetree/bindings/timer/
Dti,timer.txt5 OMAP44xx devices have timer instances that are 100%
6 register compatible with OMAP3xxx devices as well as
8 So for OMAP44xx devices timer instances may use
11 ti,omap2420-timer (applicable to OMAP24xx devices)
12 ti,omap3430-timer (applicable to OMAP3xxx/44xx devices)
13 ti,omap4430-timer (applicable to OMAP44xx devices)
14 ti,omap5430-timer (applicable to OMAP543x devices)
15 ti,am335x-timer (applicable to AM335x devices)
16 ti,am335x-timer-1ms (applicable to AM335x devices)
/Documentation/admin-guide/cgroup-v1/
Ddevices.rst18 devices from the whitelist or add new entries. A child cgroup can
24 An entry is added using devices.allow, and removed using
25 devices.deny. For instance::
27 echo 'c 1:3 mr' > /sys/fs/cgroup/1/devices.allow
32 echo a > /sys/fs/cgroup/1/devices.deny
36 echo a > /sys/fs/cgroup/1/devices.allow
62 a cgroup's devices.deny file, all its children will have that entry removed
79 # echo "c 116:* r" > A/devices.deny
84 group whitelist entries denied devices
97 group whitelist entries denied devices
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