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/linux-6.14.4/Documentation/devicetree/bindings/memory-controllers/
Drockchip,rk3399-dmc.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/memory-controllers/rockchip,rk3399-dmc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Brian Norris <[email protected]>
15 - rockchip,rk3399-dmc
17 devfreq-events:
26 clock-names:
28 - const: dmc_clk
30 operating-points-v2: true
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/linux-6.14.4/drivers/usb/dwc3/
Dgadget.h1 /* SPDX-License-Identifier: GPL-2.0 */
3 * gadget.h - DesignWare USB3 DRD Gadget Header
5 * Copyright (C) 2010-2011 Texas Instruments Incorporated - https://www.ti.com
20 #define gadget_to_dwc(g) (dev_get_platdata(&g->dev))
22 /* DEPCFG parameter 1 */
35 /* DEPCFG parameter 0 */
48 /* DEPXFERCFG parameter 0 */
52 #define DWC3_DEFAULT_U1_DEV_EXIT_LAT 0x0A /* Less then 10 microsec */
55 #define DWC3_DEFAULT_U2_DEV_EXIT_LAT 0x1FF /* Less then 511 microsec */
59 /* -------------------------------------------------------------------------- */
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/linux-6.14.4/tools/testing/selftests/bpf/
Dbpf_experimental.h16 * The 'local_type_id' parameter must be a known constant.
17 * The 'meta' parameter is rewritten by the verifier, no need for BPF
32 * The 'meta' parameter is rewritten by the verifier, no need for BPF
44 * non-owning reference input into an owning reference in the process.
46 * The 'meta' parameter is rewritten by the verifier, no need for BPF
63 * -EINVAL if the node wasn't added because it's already in a list
79 * -EINVAL if the node wasn't added because it's already in a list
111 * Add 'node' to rbtree with root 'root' using comparator 'less'
117 * -EINVAL if the node wasn't added because it's already in a tree
120 bool (less)(struct bpf_rb_node *a, const struct bpf_rb_node *b),
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/linux-6.14.4/Documentation/admin-guide/media/
Dphilips.rst1 .. SPDX-License-Identifier: GPL-2.0
7 E-mail: [email protected] Last updated: 2004-01-19
30 * Samsung MPC-C10
31 * Samsung MPC-C30
33 * AME CU-001
34 * Visionite VCS-UM100
35 * Visionite VCS-UC300
40 framerates; in addition the webcam uses less bandwidth on the USB bus (handy
46 the latter, since it makes troubleshooting a lot easier. The built-in
50 camera; some programs depend on a particular image-size or -format and
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/linux-6.14.4/Documentation/netlabel/
Ddraft-ietf-cipso-ipsecurity-01.txt27 Please check the I-D abstract listing contained in each Internet Draft
46 mandatory access controls and multi-level security. These systems are
88 once in a datagram. All multi-octet fields in the option are defined to be
91 +----------+----------+------//------+-----------//---------+
93 +----------+----------+------//------+-----------//---------+
124 corresponding ASCII representations. Non-related groups of systems may
148 actual security information to be passed. All multi-octet fields in a tag
171 +----------+----------+--------//--------+
173 +----------+----------+--------//--------+
207 This is referred to as the "bit-mapped" tag type. Tag type 1 is included
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/linux-6.14.4/Documentation/admin-guide/mm/
Dhugetlbpage.rst13 256M and ppc64 supports 4K and 16M. A TLB is a cache of virtual-to-physical
93 Once a number of huge pages have been pre-allocated to the kernel huge page
99 command line by specifying the "hugepages=N" parameter, where 'N' = the
105 with a huge page size selection parameter "hugepagesz=<size>". <size> must
107 page size may be selected with the "default_hugepagesz=<size>" boot parameter.
109 Hugetlb boot command line parameter semantics
113 parameter to preallocate a number of huge pages of the specified
124 follows a valid hugepagesz or default_hugepagesz parameter. However,
125 if hugepages is the first or only hugetlb command line parameter it
129 parameter pair for the default size. This parameter also has a
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Dtranshuge.rst26 requiring larger clear-page copy-page in page faults which is a
48 Modern kernels support "multi-size THP" (mTHP), which introduces the
50 but smaller than traditional PMD-size (as described above), in
51 increments of a power-of-2 number of pages. mTHP can back anonymous
53 PTE-mapped, but in many cases can still provide similar benefits to
55 factor of e.g. 4, 8, 16, etc), but latency spikes are much less
56 prominent because the size of each page isn't as huge as the PMD-sized
57 variant and there is less memory to clear in each page fault. Some
60 and approporiately aligned. In this case, TLB misses will occur less
66 collapses sequences of basic pages into PMD-sized huge pages.
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/linux-6.14.4/include/linux/
Ddtlk.h1 /* SPDX-License-Identifier: GPL-2.0 */
28 bit goes zero 2-3 usec after
29 writing, and goes 1 again 180-190
32 indicates that less than 300 free
37 indicates that less than 300 bytes
56 data buffer has less than 30 bytes
67 unsigned short serial_number; /* 0-7Fh:0-7Fh */
70 unsigned char punc_level; /* nB; 0-7 */
71 unsigned char formant_freq; /* nF; 0-9 */
72 unsigned char pitch; /* nP; 0-99 */
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Dzlib.h1 /* zlib.h -- interface of the 'zlib' general purpose compression library
3 Copyright (C) 1995-2005 Jean-loup Gailly and Mark Adler
5 This software is provided 'as-is', without any express or implied
21 Jean-loup Gailly Mark Adler
53 The 'zlib' compression library provides in-memory compression and
65 The compressed data format used by default by the in-memory functions is
73 and on communications channels. The gzip format was designed for single-
113 parameter for calls of zalloc and zfree. This can be useful for custom
118 If zlib is used in a multi-threaded application, zalloc and zfree must be
121 On 16-bit systems, the functions zalloc and zfree must be able to allocate
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/linux-6.14.4/drivers/accessibility/speakup/
Dspeakup_dtlk.h1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* speakup_dtlk.h - header file for speakups DoubleTalk driver. */
23 * bit goes zero 2-3 usec after
24 * writing, and goes 1 again 180-190
28 * indicates that less than 300 bytes
34 * indicates that less than 300 bytes
42 u_short serial_number; /* 0-7Fh:0-7Fh */
45 u_char punc_level; /* nB; 0-7 */
46 u_char formant_freq; /* nF; 0-9 */
47 u_char pitch; /* nP; 0-99 */
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/linux-6.14.4/drivers/staging/media/atomisp/pci/css_2401_system/hrt/
Dmipi_backend_defs.h1 /* SPDX-License-Identifier: GPL-2.0 */
87 …ACKEND_STREAMING_PIX_A_MSB(pix_width) (_HRT_MIPI_BACKEND_STREAMING_PIX_A_LSB + (pix_width) - 1)
90 …AMING_PIX_B_MSB(pix_width) (_HRT_MIPI_BACKEND_STREAMING_PIX_B_LSB(pix_width) + (pix_width) - 1)
98 /* These Custom Defs are defined based on design-time config in "mipi_backend_pixel_formatter.chdl"…
131 …PI_BACKEND_CUST_PIX_VALID_EOP_NOR_VALID_IDX 0 /* Normal (NO less get_bits case) Valid - 1bits */
132 …MIPI_BACKEND_CUST_PIX_VALID_EOP_NOR_EOP_IDX 1 /* Normal (NO less get_bits case) EoP - 1bits */
133 …IPI_BACKEND_CUST_PIX_VALID_EOP_ESP_VALID_IDX 2 /* Especial (less get_bits case) Valid - 1bits */
134 …_MIPI_BACKEND_CUST_PIX_VALID_EOP_ESP_EOP_IDX 3 /* Especial (less get_bits case) EoP - 1bits */
141 /* The pipe backend - stream2mmio should be design time configurable in */
142 /* PixWidth - Number of bits per pixel */
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/linux-6.14.4/lib/842/
D842.h1 /* SPDX-License-Identifier: GPL-2.0 */
14 * to a previously-written number of data bytes to copy to the output buffer.
16 * The template code is a 5-bit value. This code indicates what to do with
24 * Any row with less than 4 actions is padded with noop actions, indicated by
32 * corresponding arg is an index parameter that points to, respectively, a 2,
40 * bytes ((2^8 = 256) * 8 bytes). Think of it as a kind-of ring buffer for
61 * 0x1d as a special "short data" template code, to represent less than 8 bytes
66 * compressed buffers containing this sw-only template will be rejected by
68 * library. The 842 software compression module includes a parameter to
69 * disable using this sw-only "short data" template, and instead simply
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/linux-6.14.4/Documentation/virt/kvm/
Dhalt-polling.rst1 .. SPDX-License-Identifier: GPL-2.0
16 the order of a few micro-seconds, although performance benefits are workload
27 The powerpc kvm-hv specific case is implemented in:
39 kvm_vcpu->halt_poll_ns
41 or in the case of powerpc kvm-hv, in the vcore struct:
43 kvmppc_vcore->halt_poll_ns
50 two options, either the polling interval and total block time[0] were less than
54 In the event that both the polling interval and total block time were less than
66 shrink_halt_poll_ns() and is divided by the module parameter
86 arch/powerpc/kvm/book3s_hv.c in the powerpc kvm-hv case.
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/linux-6.14.4/drivers/mtd/ubi/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
3 tristate "Enable UBI - Unsorted block images"
6 UBI is a software layer above MTD layer which admits use of LVM-like
10 (www.linux-mtd.infradead.org).
15 int "UBI wear-leveling threshold"
19 This parameter defines the maximum difference between the highest
26 other flashes which have eraseblock life-cycle 100000 or more.
28 life-cycle less than 10000, the threshold should be lessened (e.g.,
44 as "1024 * (1 - MinNVB / MaxNVB)", which gives 20 for most NANDs
55 This option can be overridden by the "mtd=" UBI module parameter or
[all …]
/linux-6.14.4/drivers/media/usb/stk1160/
Dstk1160-reg.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
6 * <elezegarcia--a.t--gmail.com>
10 * <rmthomas--a.t--sciolus.org>
19 /* Power-on Strapping Data */
39 * Bit 0 - Horizontal Decimation Control
42 * Bit 1 - Decimates Half or More Column
43 * 0 Decimates less than half from original column,
47 * Bit 2 - Vertical Decimation Control
50 * Bit 3 - Vertical Greater or Equal to Half
51 * 0 Decimates less than half from original row,
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/linux-6.14.4/Documentation/driver-api/usb/
DURB.rst1 .. _usb-urb:
6 :Revised: 2000-Dec-05
7 :Again: 2002-Jul-06
8 :Again: 2005-Sep-19
9 :Again: 2017-Mar-29
14 The USB subsystem now has a substantial section at :ref:`usb-hostside-api`
26 - An URB consists of all relevant information to execute any USB transaction
29 - Execution of an URB is inherently an asynchronous operation, i.e. the
33 - Transfers for one URB can be canceled with :c:func:`usb_unlink_urb`
36 - Each URB has a completion handler, which is called after the action
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/linux-6.14.4/Documentation/admin-guide/
Dkernel-parameters.rst3 The kernel's command-line parameters
12 The kernel parses parameters from the kernel command line up to "``--``";
13 if it doesn't recognize a parameter and it doesn't contain a '.', the
14 parameter gets passed to init: parameters with '=' go into init's
16 Everything after "``--``" is passed as an argument to init.
31 "modinfo -p ${modulename}" shows a current list of all parameters of a loadable
35 ``echo -n ${value} > /sys/module/${modulename}/parameters/${parm}``.
38 ----------------
40 Hyphens (dashes) and underscores are equivalent in parameter names, so::
42 log_buf_len=1M print-fatal-signals=1
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/linux-6.14.4/drivers/net/can/dev/
Dbittiming.c1 // SPDX-License-Identifier: GPL-2.0-only
2 /* Copyright (C) 2005 Marc Kleine-Budde, Pengutronix
4 * Copyright (C) 2008-2009 Wolfgang Grandegger <[email protected]>
11 if (bt->sjw) in can_sjw_set_default()
15 bt->sjw = max(1U, min(bt->phase_seg1, bt->phase_seg2 / 2)); in can_sjw_set_default()
21 if (bt->sjw > btc->sjw_max) { in can_sjw_check()
23 bt->sjw, btc->sjw_max); in can_sjw_check()
24 return -EINVAL; in can_sjw_check()
27 if (bt->sjw > bt->phase_seg1) { in can_sjw_check()
29 "sjw: %u greater than phase-seg1: %u", in can_sjw_check()
[all …]
/linux-6.14.4/net/xfrm/
Dxfrm_state_bpf.c1 // SPDX-License-Identifier: GPL-2.0-only
14 /* bpf_xfrm_state_opts - Options for XFRM state lookup helpers
17 * @error - Out parameter, set for any errors encountered
19 * -EINVAL - netns_id is less than -1
20 * -EINVAL - opts__sz isn't BPF_XFRM_STATE_OPTS_SZ
21 * -ENONET - No network namespace found for netns_id
22 * -ENOENT - No xfrm_state found
23 * @netns_id - Specify the network namespace for lookup
25 * BPF_F_CURRENT_NETNS (-1)
29 * @mark - XFRM mark to match on
[all …]
/linux-6.14.4/arch/powerpc/platforms/8xx/
DKconfig1 # SPDX-License-Identifier: GPL-2.0
33 bool "Embedded Planet EP88xC (a.k.a. CWH-PPC-885XN-VE)"
39 MPC885 Evaluation System and/or the CWH-PPC-885XN-VE.
56 menu "Freescale Ethernet driver platform-specific options"
76 Enable FEC2 to serve as 2-nd Ethernet channel. Note that SMC2
77 (often 2-nd UART) will not work if this is enabled.
83 Enable SCC3 to serve as 2-nd Ethernet channel. Note that SMC1
84 (often 1-nd UART) will not work if this is enabled.
107 with the GPIO API. If you say N here, the kernel needs less memory.
155 This microcode relocates SMC1 and SMC2 parameter RAMs at
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/linux-6.14.4/Documentation/devicetree/bindings/eeprom/
Dmicrochip,93lc46b.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Cory Tusar <[email protected]>
15 - atmel,at93c46
16 - atmel,at93c46d
17 - atmel,at93c56
18 - atmel,at93c66
19 - eeprom-93xx46
20 - microchip,93lc46b
[all …]
/linux-6.14.4/Documentation/admin-guide/device-mapper/
Ddm-ebs.rst2 dm-ebs
17 ----------------
23 Full pathname to the underlying block-device,
24 or a "major:minor" device-number.
32 Optional parameter:
49 This presumes 2KiB logical blocksize on /dev/sda or less to work:
/linux-6.14.4/Documentation/RCU/
Dstallwarn.rst1 .. SPDX-License-Identifier: GPL-2.0
9 options that can be used to fine-tune the detector's operation. Finally,
20 - A CPU looping in an RCU read-side critical section.
22 - A CPU looping with interrupts disabled.
24 - A CPU looping with preemption disabled.
26 - A CPU looping with bottom halves disabled.
28 - For !CONFIG_PREEMPTION kernels, a CPU looping anywhere in the
33 - Booting Linux using a console connection that is too slow to
34 keep up with the boot-time console-message rate. For example,
36 with boot-time message rates, and will frequently result in
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/linux-6.14.4/Documentation/arch/m68k/
Dkernel-options.rst9 Author: [email protected]-erlangen.de (Roman Hodek)
11 Update: [email protected] (Jes Sorensen) and faq@linux-m68k.org (Chris Lawrence)
58 ----------
76 /dev/ram: -> 0x0100 (initial ramdisk)
77 /dev/hda: -> 0x0300 (first IDE disk)
78 /dev/hdb: -> 0x0340 (second IDE disk)
79 /dev/sda: -> 0x0800 (first SCSI disk)
80 /dev/sdb: -> 0x0810 (second SCSI disk)
81 /dev/sdc: -> 0x0820 (third SCSI disk)
82 /dev/sdd: -> 0x0830 (forth SCSI disk)
[all …]
/linux-6.14.4/include/kunit/
Dtest.h1 /* SPDX-License-Identifier: GPL-2.0 */
13 #include <kunit/try-catch.h>
39 /* Maximum size of parameter description string. */
47 * sub-subtest. See the "Subtests" section in
48 * https://node-tap.org/tap-protocol/
55 * enum kunit_status - Type of result for a test or test suite
89 * struct kunit_case - represents an individual test case.
109 * .. code-block:: c
115 * KUNIT_EXPECT_EQ(test, 0, add(-1, 1));
117 * KUNIT_EXPECT_EQ(test, -1, add(INT_MAX, INT_MIN));
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