Home
last modified time | relevance | path

Searched +full:read +full:- +full:1 (Results 1 – 25 of 1069) sorted by relevance

12345678910>>...43

/Documentation/filesystems/spufs/
Dspufs.rst1 .. SPDX-License-Identifier: GPL-2.0
10 spufs - the SPU file system
26 logical SPU. Users can change permissions on those files, but not actu-
43 The files in spufs mostly follow the standard behavior for regular sys-
44 tem calls like read(2) or write(2), but often support only a subset of
49 All files that support the read(2) operation also support readv(2) and
55 All files support the chmod(2)/fchmod(2) and chown(2)/fchown(2) opera-
57 possible operations, e.g. read access on the wbox file.
68 read(2), pread(2), write(2), pwrite(2), lseek(2)
81 The first SPU to CPU communication mailbox. This file is read-only and
[all …]
/Documentation/ABI/testing/
Dsysfs-platform-dfl-port1 What: /sys/bus/platform/devices/dfl-port.0/id
5 Description: Read-only. It returns id of this port. One DFL FPGA device
9 What: /sys/bus/platform/devices/dfl-port.0/afu_id
13 Description: Read-only. User can program different PR bitstreams to FPGA
18 What: /sys/bus/platform/devices/dfl-port.0/power_state
22 Description: Read-only. It reports the APx (AFU Power) state, different APx
24 returns "0" - Normal / "1" - AP1 / "2" - AP2 / "6" - AP6.
26 What: /sys/bus/platform/devices/dfl-port.0/ap1_event
30 Description: Read-write. Read this file for AP1 (AFU Power State 1) event.
31 It's used to indicate transient AP1 state. Write 1 to this
[all …]
Dsysfs-platform-dfl-fme1 What: /sys/bus/platform/devices/dfl-fme.0/ports_num
5 Description: Read-only. One DFL FPGA device may have more than 1
7 number of ports on the FPGA device when read it.
9 What: /sys/bus/platform/devices/dfl-fme.0/bitstream_id
13 Description: Read-only. It returns Bitstream (static FPGA region)
17 What: /sys/bus/platform/devices/dfl-fme.0/bitstream_metadata
21 Description: Read-only. It returns Bitstream (static FPGA region) meta
25 What: /sys/bus/platform/devices/dfl-fme.0/cache_size
29 Description: Read-only. It returns cache size of this FPGA device.
31 What: /sys/bus/platform/devices/dfl-fme.0/fabric_version
[all …]
Dsysfs-driver-xdata1 What: /sys/class/misc/drivers/dw-xdata-pcie.<device>/write
6 will create write TLPs frames - from the Root Complex to the
10 Write y/1/on to enable, n/0/off to disable
13 echo 1 > /sys/class/misc/dw-xdata-pcie.<device>/write
15 echo 0 > /sys/class/misc/dw-xdata-pcie.<device>/write
17 The user can read the current PCIe link throughput generated
21 cat /sys/class/misc/dw-xdata-pcie.<device>/write
24 The file is read and write.
26 What: /sys/class/misc/dw-xdata-pcie.<device>/read
31 will create read TLPs frames - from the Endpoint to the Root
[all …]
Dsysfs-driver-w1_therm5 (RW) read or write TH and TL (Temperature High an Low) alarms.
7 (typical -55 degC to 125 degC), if not values will be trimmed
11 master level, refer to Documentation/w1/w1-generic.rst for
40 * '1': device externally powered
41 * '-xx': xx is kernel error when reading power status
55 values after power-on. Read or write are :
59 * '-xx': xx is kernel error when reading the resolution
62 Some DS18B20 clones are fixed in 12-bit resolution, so the
63 actual resolution is read back from the chip and verified. Error
73 (RO) return the temperature in 1/1000 degC.
[all …]
Dsysfs-bus-coresight-devices-etb1010 echo 1 > /sys/bus/coresight/devices/20010000.etb/enable_sink
18 following the trigger event. The number of 32-bit words written
20 value stored in this register+1 (from ARM ETB-TRM).
26 Description: (Read) Defines the depth, in words, of the trace RAM in powers of
27 2. The value is read directly from HW register RDP, 0x004.
33 Description: (Read) Shows the value held by the ETB status register. The value
34 is read directly from HW register STS, 0x00C.
40 Description: (Read) Shows the value held by the ETB RAM Read Pointer register
41 that is used to read entries from the Trace RAM over the APB
42 interface. The value is read directly from HW register RRP,
[all …]
Dsysfs-bus-iio-frequency-admv10131 What: /sys/bus/iio/devices/iio:deviceX/in_altvoltage0-1_i_calibphase
3 Contact: linux-iio@vger.kernel.org
5 Read/write unscaled value for the Local Oscillatior path quadrature I phase shift.
7 What: /sys/bus/iio/devices/iio:deviceX/in_altvoltage0-1_q_calibphase
9 Contact: linux-iio@vger.kernel.org
11 Read/write unscaled value for the Local Oscillatior path quadrature Q phase shift.
15 Contact: linux-iio@vger.kernel.org
17 Read/write value for the Local Oscillatior Feedthrough Offset Calibration I Positive
22 Contact: linux-iio@vger.kernel.org
24 Read/write value for the Local Oscillatior Feedthrough Offset Calibration Q Positive side.
[all …]
Dsysfs-class-power-ltc4162l1 What: /sys/class/power_supply/ltc4162-l/charge_status
7 Access: Read
18 What: /sys/class/power_supply/ltc4162-l/ibat
25 Access: Read
29 What: /sys/class/power_supply/ltc4162-l/vbat
35 Access: Read
39 What: /sys/class/power_supply/ltc4162-l/vbat_avg
45 Access: Read
49 What: /sys/class/power_supply/ltc4162-l/force_telemetry
56 Write a "1" to this to keep performing telemetry once every few
[all …]
Dconfigfs-spear-pcie-gadget1 What: /config/pcie-gadget
15 # mount -t configfs none /config/
17 For nth PCIe Device Controller /config/pcie-gadget.n/:
20 link used to enable ltssm and read its status.
21 int_type used to configure and read type of supported interrupt
23 to read no of MSI granted.
24 inta write 1 to assert INTA and 0 to de-assert.
26 vendor_id used to write and read vendor id (hex)
27 device_id used to write and read device id (hex)
28 bar0_size used to write and read bar0_size
[all …]
Dsysfs-class-watchdog5 It is a read only file. It contains status of the watchdog
13 It is a read only file. It contains options of watchdog device.
19 It is a read only file. It contains firmware version of
26 It is a read only file. It contains identity string of
33 It is a read/write file. While reading, it gives '1'
35 it gives '0'. Writing a '1' to the file enables the
45 It is a read only file. It gives active/inactive status of
52 It is a read only file. It contains watchdog device's
60 It is a read only file. It contains value of time left for
68 It is a read only file. It is read to know about current
[all …]
Dsysfs-class-power5 Contact: linux-pm@vger.kernel.org
9 Access: Read
14 Contact: linux-pm@vger.kernel.org
18 Access: Read
23 Contact: linux-pm@vger.kernel.org
27 Access: Read
32 Contact: linux-pm@vger.kernel.org
36 Access: Read
43 Contact: linux-pm@vger.kernel.org
58 Access: Read
[all …]
Ddebugfs-driver-dcc14 triggers. The trigger can be invoked by writing '1'
22 a dcc driver to the default configuration. When '1'
27 What: /sys/kernel/debug/dcc/.../[list-number]/config
32 can be read in case of a hardware crash or manual
34 can be one of following dcc instructions: read,
35 write, read-write, and loop type. The lists need to
41 i) Read instruction
45 echo R <addr> <n> <bus> >/sys/kernel/debug/dcc/../[list-number]/config
50 The address to be read.
53 The addresses word count, starting from address <1>.
[all …]
Dsysfs-class-cxl11 Contact: linuxppc-dev@lists.ozlabs.org
12 Description: read only
22 Contact: linuxppc-dev@lists.ozlabs.org
23 Description: read/write
29 Users: https://github.com/ibm-capi/libcxl
33 Contact: linuxppc-dev@lists.ozlabs.org
34 Description: read only
39 Users: https://github.com/ibm-capi/libcxl
43 Contact: linuxppc-dev@lists.ozlabs.org
44 Description: read only
[all …]
/Documentation/devicetree/bindings/memory-controllers/
Dti-aemif.txt4 provide a glue-less interface to a variety of asynchronous memory devices like
11 Davinci DM646x - http://www.ti.com/lit/ug/sprueq7c/sprueq7c.pdf
12 OMAP-L138 (DA850) - http://www.ti.com/lit/ug/spruh77a/spruh77a.pdf
13 Kestone - http://www.ti.com/lit/ug/sprugz3a/sprugz3a.pdf
17 - compatible: "ti,davinci-aemif"
18 "ti,keystone-aemif"
19 "ti,da850-aemif"
21 - reg: contains offset/length value for AEMIF control registers
24 - #address-cells: Must be 2. The partition number has to be encoded in the
25 first address cell and it may accept values 0..N-1
[all …]
/Documentation/networking/devlink/
Ddevlink-region.rst1 .. SPDX-License-Identifier: GPL-2.0
13 Region snapshots are collected by the driver, and can be accessed via read
25 states, but see also Documentation/networking/devlink/devlink-health.rst
35 snapshot. Direct read requests are not atomic. In particular a read request
38 region should implement the ``.read`` callback in the ``devlink_region_ops``
39 structure. User space can request a direct read by using the
44 -------------
52 $ devlink region read DEV/REGION [ snapshot SNAPSHOT_ID ] address ADDRESS length LENGTH
56 pci/0000:00:05.0/cr-space: size 1048576 snapshot [1 2] max 8
57 pci/0000:00:05.0/fw-health: size 64 snapshot [1 2] max 8
[all …]
/Documentation/w1/slaves/
Dw1_therm.rst16 -----------
32 read sequence will initiate a temperature conversion, then provide two
34 read along with a calculated crc value and YES or NO if it matched.
39 Alternatively, temperature can be read using ``temperature`` sysfs, it
42 A bulk read of all devices on the bus could be done writing ``trigger``
49 -1 if at least one sensor still in conversion, 1 if conversion is complete
50 but at least one sensor value has not been read yet. Result temperature is
53 read is sent but one sensor is not read immediately, the next access to
55 time of issue of the bulk read command (not the current temperature).
59 ``conv_time`` is used to get current conversion time (read), and
[all …]
/Documentation/input/joydev/
Djoystick-api.rst1 .. _joystick-api:
7 :Author: Ragnar Hojland Espinosa <ragnar@macula.net> - 7 Aug 1998
18 driver now reports only any changes of its state. See joystick-api.txt,
35 (JS_EVENT_INIT) that you can read to obtain the initial state of the
49 read (fd, &e, sizeof(e));
60 If the read is successful, it will return sizeof(e), unless you wanted to read
61 more than one event per read as described in section 3.1.
65 -------------
86 ---------------
95 1st Axis X 0
[all …]
/Documentation/ABI/stable/
Dsysfs-bus-nvmem6 This read/write attribute allows users to set read-write
7 devices as read-only and back to read-write from userspace.
8 This can be used to unlock and relock write-protection of
11 Read returns '0' or '1' for read-write or read-only modes
23 This file allows user to read/write the raw NVMEM contents.
46 This read-only attribute allows user to read the NVMEM
/Documentation/litmus-tests/rcu/
DRCU+sync+read.litmus1 C RCU+sync+read
7 * sees all stores done in prior RCU read-side critical sections. Such
8 * read-side critical sections would have ended before the grace period ended.
10 * This is one implication of the RCU grace-period guarantee, which says (among
11 * other things) that an RCU read-side critical section cannot span a grace period.
22 WRITE_ONCE(*x, 1);
23 WRITE_ONCE(*y, 1);
37 exists (1:r0=1 /\ 1:r1=0)
/Documentation/userspace-api/media/rc/
Dlirc-read.rst1 .. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-no-invariants-or-later
4 .. _lirc-read:
7 LIRC read()
13 lirc-read - Read from a LIRC device
18 .. code-block:: c
22 .. c:function:: ssize_t read( int fd, void *buf, size_t count )
34 Max number of bytes to read
39 :c:func:`read()` attempts to read up to ``count`` bytes from file
41 :c:func:`read()` returns zero and has no other results. If ``count``
48 The mode :ref:`LIRC_MODE_MODE2 <lirc-mode-mode2>` is for raw IR,
[all …]
/Documentation/userspace-api/media/v4l/
Dfunc-read.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
4 .. _func-read:
7 V4L2 read()
13 v4l2-read - Read from a V4L2 device
18 .. code-block:: c
22 .. c:function:: ssize_t read( int fd, void *buf, size_t count )
34 Max number of bytes to read
39 :c:func:`read()` attempts to read up to ``count`` bytes from file
42 section, see ##. If ``count`` is zero, :c:func:`read()` returns zero
45 :c:func:`read()` call will provide at most one frame (two fields)
[all …]
/Documentation/hwmon/
Doxp-sensors.rst1 .. SPDX-License-Identifier: GPL-2.0-or-later
3 Kernel driver oxp-sensors
7 - Derek John Clark <derekjohn.clark@gmail.com>
8 - Joaquín Ignacio Aramendía <samsagax@gmail.com>
11 ------------
27 -----------------
31 - AOKZOE A1
32 - AOKZOE A1 PRO
33 - AYANEO 2
34 - AYANEO 2S
[all …]
Df71882fg.rst10 Addresses scanned: none, address read from Super I/O config space
18 Addresses scanned: none, address read from Super I/O config space
26 Addresses scanned: none, address read from Super I/O config space
34 Addresses scanned: none, address read from Super I/O config space
42 Addresses scanned: none, address read from Super I/O config space
50 Addresses scanned: none, address read from Super I/O config space
58 Addresses scanned: none, address read from Super I/O config space
66 Addresses scanned: none, address read from Super I/O config space
74 Addresses scanned: none, address read from Super I/O config space
82 Addresses scanned: none, address read from Super I/O config space
[all …]
/Documentation/wmi/devices/
Dmsi-wmi-platform.rst1 .. SPDX-License-Identifier: GPL-2.0-or-later
4 MSI WMI Platform Features driver (msi-wmi-platform)
24 guid("{ABBC0F60-8EA1-11d1-00A0-C90629100000}")]
26 [WmiDataId(1), read, write, Description("16 bytes of data")] uint8 Bytes[16];
31 guid("{ABBC0F63-8EA1-11d1-00A0-C90629100000}")]
33 [WmiDataId(1), read, write, Description("32 bytes of data")] uint8 Bytes[32];
38 guid("{ABBC0F6E-8EA1-11d1-00A0-C90629100000}")]
40 [key, read] string InstanceName;
41 [read] boolean Active;
43 [WmiMethodId(1), Implemented, read, write, Description("Return the contents of a package")]
[all …]
/Documentation/RCU/
Dlockdep.rst1 .. SPDX-License-Identifier: GPL-2.0
8 aware of when each task enters and leaves any flavor of RCU read-side
18 rcu_read_lock_bh_held() for RCU-bh.
19 rcu_read_lock_sched_held() for RCU-sched.
20 rcu_read_lock_any_held() for any of normal RCU, RCU-bh, and RCU-sched.
24 These functions are conservative, and will therefore return 1 if they
33 Check for RCU read-side critical section.
35 Check for RCU-bh read-side critical section.
37 Check for RCU-sched read-side critical section.
39 Check for SRCU read-side critical section.
[all …]

12345678910>>...43