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/Documentation/devicetree/bindings/dma/
Dfsl-qdma.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/dma/fsl-qdma.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Frank Li <Frank.Li@nxp.com>
15 - const: fsl,ls1021a-qdma
16 - items:
17 - enum:
18 - fsl,ls1028a-qdma
19 - fsl,ls1043a-qdma
[all …]
/Documentation/devicetree/bindings/usb/
Dgr-udc.txt11 - name : Should be "GAISLER_USBDC" or "01_021"
13 - reg : Address and length of the register set for the device
15 - interrupts : Interrupt numbers for this device. Either one interrupt number
16 for all interrupts, or one for status related interrupts, one for IN
21 - epobufsizes : Array of buffer sizes for OUT endpoints when they differ
24 each OUT endpoint of the core. Fewer entries overrides the default sizes
27 - epibufsizes : Array of buffer sizes for IN endpoints when they differ
30 each IN endpoint of the core. Fewer entries overrides the default sizes
/Documentation/w1/masters/
Dds2490.rst13 -----------
16 which allows to build USB <-> W1 bridges.
18 DS9490(R) is a USB <-> W1 bus master device
20 low-level operational chip.
24 - The weak pullup current is a minimum of 0.9mA and maximum of 6.0mA.
25 - The 5V strong pullup is supported with a minimum of 5.9mA and a
27 - The hardware will detect when devices are attached to the bus on the
31 - The number of USB bus transactions could be reduced if w1_reset_send
33 a write buffer and a read buffer (along with sizes) as arguments.
40 - The hardware supports normal, flexible, and overdrive bus
[all …]
/Documentation/translations/zh_CN/userspace-api/
Dseccomp_filter.rst1 .. SPDX-License-Identifier: GPL-2.0
2 .. include:: ../disclaimer-zh_CN.rst
4 :Original: Documentation/userspace-api/seccomp_filter.rst
30 frameworks）中常见的检查-使用竞态攻击（TOCTOU）的受害者。BPF程序可能无法解引
58 果程序是无效的，该调用会返回 -1 并设置 errno 为 ``EINVAL`` 。
65 ``-EACCES`` 。这一要求保证了过滤器程序不能用于比安装过滤器的进程拥有更高
83 使得整个进程立即结束而不执行系统调用。进程的退出状态 (``status & 0x7f``) 将
87 使得线程立即结束而不执行系统调用。线程的退出状态 (``status & 0x7f``) 将是
92 ``siginfo->si_call_addr`` 会展示系统调用指令的位置， ``siginfo->si_syscall``
93 和 ``siginfo->si_arch`` 会指出试图进行的系统调用。程序计数器会和发生了系统
[all …]
/Documentation/arch/sparc/oradax/
Doracle-dax.rst25 the accompanying document, dax-hv-api.txt, which is a plain text
27 Specification" version 3.0.20+15, dated 2017-09-25.
36 options, flags, sizes, and addresses. The CCB (or an array of CCBs)
38 requests to the available coprocessor execution units. A status code
42 is written by the coprocessor to provide execution status. No
46 processor until the completion status has been updated by the
86 made accessible via mmap(), and are read-only for the application.
109 equal to the number of bytes given in the call. Otherwise -1 is
113 -----------
118 further status information is returned, so the user should not
[all …]
Ddax-hv-api.txt3 Publication date 2017-09-25 08:21
5 Extracted via "pdftotext -f 547 -l 572 -layout sun4v_20170925.pdf"
16 live-migration and other system management activities.
20 …high speed processoring of database-centric operations. The coprocessors may support one or more of
26 …CCBs) via the ccb_submit API function. The operations are processed asynchronously, with the status
28 …e Completion Area and, unless execution order is specifically restricted through the use of serial-
35 …recommended such implementation use the ccb_info API function to check the status of a CCB prior to
45 …device node in the guest MD (Section 8.24.17, “Database Analytics Accelerators (DAX) virtual-device
51 36.1.1.1. "ORCL,sun4v-dax" Device Compatibility
54 • No-op/Sync
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/Documentation/networking/device_drivers/ethernet/toshiba/
Dspider_net.rst1 .. SPDX-License-Identifier: GPL-2.0
26 containing the received data, the buffer size, and various status bits.
29 "full" and "not-in-use". An "empty" or "ready" descriptor is ready
31 and is waiting to be emptied and processed by the OS. A "not-in-use"
40 buffers, processing them, and re-marking them empty.
54 descr. The OS will process this descr, and then mark it "not-in-use",
57 all of those behind it should be "not-in-use". When RX traffic is not
62 The head pointer (somewhat mis-named) follows after the tail pointer.
64 a "not-in-use" descr. The OS will perform various housekeeping duties
66 dma-mapping it so as to make it visible to the hardware. The OS will
[all …]
/Documentation/sound/cards/
Dhdspm.rst2 Software Interface ALSA-DSP MADI Driver
5 (translated from German, so no good English ;-),
7 2004 - winfried ritsch
11 the Controls and startup-options are ALSA-Standard and only the
19 ------------------
21 * number of channels -- depends on transmission mode
29 * Single Speed -- 1..64 channels
37 * Double Speed -- 1..32 channels
40 Note: Choosing the 56-channel mode for
41 transmission/receive-mode , only 28 are transmitted/received
[all …]
/Documentation/userspace-api/
Dseccomp_filter.rst25 to time-of-check-time-of-use (TOCTOU) attacks that are common in system
39 path (avoiding pathological sizes or selecting which of the multiplexed
65 call will return -1 and set errno to ``EINVAL``.
73 true, ``-EACCES`` will be returned. This requirement ensures that filter
82 The above call returns 0 on success and non-zero on error.
96 the system call. The exit status of the task (``status & 0x7f``)
101 system call. The exit status of the task (``status & 0x7f``) will
106 task without executing the system call. ``siginfo->si_call_addr``
108 ``siginfo->si_syscall`` and ``siginfo->si_arch`` will indicate which
111 instruction). The return value register will contain an arch-
[all …]
/Documentation/networking/devlink/
Dmlx5.rst1 .. SPDX-License-Identifier: GPL-2.0
13 .. list-table:: Generic parameters implemented
15 * - Name
16 - Mode
17 - Validation
18 * - ``enable_roce``
19 - driverinit
20 - Type: Boolean
26 * - ``io_eq_size``
27 - driverinit
[all …]
/Documentation/devicetree/bindings/net/
Dethernet-controller.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/net/ethernet-controller.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - David S. Miller <davem@davemloft.net>
19 local-mac-address:
22 $ref: /schemas/types.yaml#/definitions/uint8-array
26 mac-address:
31 local-mac-address property.
32 $ref: /schemas/types.yaml#/definitions/uint8-array
[all …]
/Documentation/admin-guide/device-mapper/
Dcache.rst8 dm-cache is a device mapper target written by Joe Thornber, Heinz
15 This device-mapper solution allows us to insert this caching at
17 a thin-provisioning pool. Caching solutions that are integrated more
20 The target reuses the metadata library used in the thin-provisioning
23 The decision as to what data to migrate and when is left to a plug-in
46 Sub-devices
47 -----------
52 1. An origin device - the big, slow one.
54 2. A cache device - the small, fast one.
56 3. A small metadata device - records which blocks are in the cache,
[all …]
Dverity.rst2 dm-verity
5 Device-Mapper's "verity" target provides transparent integrity checking of
7 This target is read-only.
21 This is the type of the on-disk hash format.
40 dm-verity device.
55 This is the offset, in <hash_block_size>-blocks, from the start of hash_dev
104 Note: block sizes for data and hash devices must match. Also, if the
110 is M-N.
122 rather than every time. This reduces the overhead of dm-verity so that it
158 dm-verity is meant to be set up as part of a verified boot path. This
[all …]
Dvdo.rst1 .. SPDX-License-Identifier: GPL-2.0-only
3 dm-vdo
6 The dm-vdo (virtual data optimizer) device mapper target provides
7 block-level deduplication, compression, and thin provisioning. As a device
20 https://github.com/dm-vdo/vdo/
25 enter or come up in read-only mode. Because read-only mode is indicative of
26 data-loss, a positive action must be taken to bring vdo out of read-only
28 prepare a read-only vdo to exit read-only mode. After running this tool,
34 inspect a vdo target's on-disk metadata. Fortunately, these tools are
35 rarely needed except by dm-vdo developers.
[all …]
/Documentation/networking/
Dpacket_mmap.rst1 .. SPDX-License-Identifier: GPL-2.0
22 - Ulisses Alonso Camaró <uaca@i.hate.spam.alumni.uv.es>
23 - Johann Baudy
67 [setup] socket() -------> creation of the capture socket
68 setsockopt() ---> allocation of the circular buffer (ring)
70 mmap() ---------> mapping of the allocated buffer to the
73 [capture] poll() ---------> to wait for incoming packets
75 [shutdown] close() --------> destruction of the capture socket and
88 supported and a link level pseudo-header is provided
107 [setup] socket() -------> creation of the transmission socket
[all …]
Dethtool-netlink.rst27 wake-on-lan password) omitted.
37 number 1 but any non-zero value should be understood as "true" by recipient.
44 Attributes that need to be filled-in by device drivers and that are dumped to
98 representing bit values and mask of affected bits) and bit-by-bit (list of
101 Verbose (bit-by-bit) bitsets allow sending symbolic names for bits together
126 rounded up to a multiple of 32 bits. They consist of 32-bit words in host byte
141 Bit-by-bit form: nested (bitset) attribute contents:
143 +------------------------------------+--------+-----------------------------+
145 +------------------------------------+--------+-----------------------------+
147 +------------------------------------+--------+-----------------------------+
[all …]
/Documentation/devicetree/bindings/crypto/
Dfsl,sec-v4.0.yaml1 # SPDX-License-Identifier: GPL-2.0
2 # Copyright (C) 2008-2011 Freescale Semiconductor Inc.
4 ---
5 $id: http://devicetree.org/schemas/crypto/fsl,sec-v4.0.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - '"Horia Geantă" <horia.geanta@nxp.com>'
12 - Pankaj Gupta <pankaj.gupta@nxp.com>
13 - Gaurav Jain <gaurav.jain@nxp.com>
25 HW interface between QM & SEC 4 and also BM & SEC 4, on DPAA-enabled parts
40 - items:
[all …]
/Documentation/filesystems/
Dfscrypt.rst2 Filesystem-level encryption (fscrypt)
11 Note: "fscrypt" in this document refers to the kernel-level portion,
14 covers the kernel-level portion. For command-line examples of how to
20 <https://source.android.com/security/encryption/file-based>`_, over
25 Unlike dm-crypt, fscrypt operates at the filesystem level rather than
28 filesystem. This is useful for multi-user systems where each user's
29 data-at-rest needs to be cryptographically isolated from the others.
34 directly into supported filesystems --- currently ext4, F2FS, UBIFS,
44 fscrypt does not support encrypting files in-place. Instead, it
54 ---------------
[all …]
/Documentation/admin-guide/hw-vuln/
Dmultihit.rst13 -------------------
18 - non-Intel processors
20 - Some Atoms (Airmont, Bonnell, Goldmont, GoldmontPlus, Saltwell, Silvermont)
22 - Intel processors that have the PSCHANGE_MC_NO bit set in the
27 ------------
32 CVE-2018-12207 Machine Check Error Avoidance on Page Size Change
37 -------
56 cause a machine-check error which can result in a system hang or shutdown.
60 ----------------
67 --------------------------------
[all …]
/Documentation/driver-api/
Duio-howto.rst5 :Author: Hans-Jürgen Koch Linux developer, Linutronix
6 :Date: 2006-12-11
12 ------------
18 -------
39 - The device has memory that can be mapped. The device can be
42 - The device usually generates interrupts.
44 - The device does not fit into one of the standard kernel subsystems.
47 ---------------
54 --------
64 - only one small kernel module to write and maintain.
[all …]
/Documentation/scsi/
Dst.rst1 .. SPDX-License-Identifier: GPL-2.0
23 flexible method and applicable to single-user workstations. However,
32 drive performs auto-detection of the tape format well (like some
33 QIC-drives). The result is that any tape can be read, writing can be
37 does not perform auto-detection well enough and there is a single
40 or not :-).
57 between formats in multi-tape operations (the explicitly overridden
72 limits). Both the auto-rewind (minor equals device number) and
73 non-rewind devices (minor is 128 + device number) are implemented.
128 dev_upper non-rew mode dev-lower
[all …]
/Documentation/networking/device_drivers/ethernet/chelsio/
Dcxgb.rst1 .. SPDX-License-Identifier: GPL-2.0
35 Adaptive Interrupts (adaptive-rx)
36 ---------------------------------
46 By default, adaptive-rx is disabled.
47 To enable adaptive-rx::
49 ethtool -C <interface> adaptive-rx on
51 To disable adaptive-rx, use ethtool::
53 ethtool -C <interface> adaptive-rx off
55 After disabling adaptive-rx, the timer latency value will be set to 50us.
56 You may set the timer latency after disabling adaptive-rx::
[all …]
/Documentation/driver-api/usb/
Dusb.rst1 .. _usb-hostside-api:
4 The Linux-USB Host Side API
18 That master/slave asymmetry was designed-in for a number of reasons, one
22 distributed auto-configuration since the pre-designated master node
37 USB Host-Side API Model
40 Host-side drivers for USB devices talk to the "usbcore" APIs. There are
41 two. One is intended for *general-purpose* drivers (exposed through
49 - USB supports four kinds of data transfers (control, bulk, interrupt,
54 - The device description model includes one or more "configurations"
60 - From USB 3.0 on configurations have one or more "functions", which
[all …]
/Documentation/arch/arm/omap/
Ddss.rst7 TV-out and multiple display support, but there are lots of small improvements
10 The DSS2 driver (omapdss module) is in arch/arm/plat-omap/dss/, and the FB,
15 --------
19 - MIPI DPI (parallel) output
20 - MIPI DSI output in command mode
21 - MIPI DBI (RFBI) output
22 - SDI output
23 - TV output
24 - All pieces can be compiled as a module or inside kernel
25 - Use DISPC to update any of the outputs
[all …]
/Documentation/admin-guide/
Dperf-security.rst7 --------
25 2. User and kernel module paths and their load addresses with sizes,
50 -------------------------------
66 independently enabled and disabled on per-thread basis for processes and
103 ---------------------------------
105 Mechanisms of capabilities, privileged capability-dumb files [6]_,
118 # ls -alhF
119 -rwxr-xr-x 2 root root 11M Oct 19 15:12 perf
121 # ls -alhF
122 -rwxr-xr-x 2 root perf_users 11M Oct 19 15:12 perf
[all …]

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