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/linux/drivers/input/
H A Dsparse-keymap.c1 // SPDX-License-Identifier: GPL-2.0-only
15 #include <linux/input/sparse-keymap.h>
26 struct key_entry *key; in sparse_keymap_get_key_index() local
29 for (key = dev->keycode; key->type != KE_END; key++) { in sparse_keymap_get_key_index()
30 if (key->type == KE_KEY) { in sparse_keymap_get_key_index()
31 if (key == k) in sparse_keymap_get_key_index()
43 struct key_entry *key; in sparse_keymap_entry_by_index() local
46 for (key = dev->keycode; key->type != KE_END; key++) in sparse_keymap_entry_by_index()
47 if (key->type == KE_KEY) in sparse_keymap_entry_by_index()
49 return key; in sparse_keymap_entry_by_index()
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/linux/Documentation/bpf/
H A Dmap_devmap.rst1 .. SPDX-License-Identifier: GPL-2.0-only
9 - ``BPF_MAP_TYPE_DEVMAP`` was introduced in kernel version 4.14
10 - ``BPF_MAP_TYPE_DEVMAP_HASH`` was introduced in kernel version 5.4
14 ``BPF_MAP_TYPE_DEVMAP`` is backed by an array that uses the key as
16 is backed by a hash table that uses a key to lookup a reference to a net device.
17 The user provides either <``key``/ ``ifindex``> or <``key``/ ``struct bpf_devmap_val``>
21 - The key to a hash map doesn't have to be an ``ifindex``.
22 - While ``BPF_MAP_TYPE_DEVMAP_HASH`` allows for densely packing the net devices
23 it comes at the cost of a hash of the key when performing a look up.
25 The setup and packet enqueue/send code is shared between the two types of
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H A Dmap_sockmap.rst1 .. SPDX-License-Identifier: GPL-2.0-only
9 - ``BPF_MAP_TYPE_SOCKMAP`` was introduced in kernel version 4.14
10 - ``BPF_MAP_TYPE_SOCKHASH`` was introduced in kernel version 4.18
18 ``BPF_MAP_TYPE_SOCKMAP`` is backed by an array that uses an integer key as the
26 the map holds to user-space is neither safe nor useful.
44 .. code-block:: c
59 - ``msg_parser`` program - ``BPF_SK_MSG_VERDICT``.
60 - ``stream_parser`` program - ``BPF_SK_SKB_STREAM_PARSER``.
61 - ``stream_verdict`` program - ``BPF_SK_SKB_STREAM_VERDICT``.
62 - ``skb_verdict`` program - ``BPF_SK_SKB_VERDICT``.
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H A Dmap_lpm_trie.rst1 .. SPDX-License-Identifier: GPL-2.0-only
9 - ``BPF_MAP_TYPE_LPM_TRIE`` was introduced in kernel version 4.11
19 of 8, in the range from 8 to 2048. The key used for lookup and update
23 - For IPv4 addresses the data length is 4 bytes
24 - For IPv6 addresses the data length is 16 bytes
36 ----------
41 .. code-block:: c
43 void *bpf_map_lookup_elem(struct bpf_map *map, const void *key)
47 value associated with the longest matching ``key``, or ``NULL`` if no
50 The ``key`` should have ``prefixlen`` set to ``max_prefixlen`` when
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H A Dmap_hash.rst1 .. SPDX-License-Identifier: GPL-2.0-only
3 .. Copyright (C) 2022-2023 Isovalent, Inc.
10 - ``BPF_MAP_TYPE_HASH`` was introduced in kernel version 3.19
11 - ``BPF_MAP_TYPE_PERCPU_HASH`` was introduced in version 4.6
12 - Both ``BPF_MAP_TYPE_LRU_HASH`` and ``BPF_MAP_TYPE_LRU_PERCPU_HASH``
16 purpose hash map storage. Both the key and the value can be structs,
19 The kernel is responsible for allocating and freeing key/value pairs, up
20 to the max_entries limit that you specify. Hash maps use pre-allocation
22 used to disable pre-allocation when it is too memory expensive.
25 CPU. The per-cpu values are stored internally in an array.
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H A Dmap_cpumap.rst1 .. SPDX-License-Identifier: GPL-2.0-only
9 - ``BPF_MAP_TYPE_CPUMAP`` was introduced in kernel version 4.15
11 .. kernel-doc:: kernel/bpf/cpumap.c
14 An example use-case for this map type is software based Receive Side Scaling (RSS).
16 The CPUMAP represents the CPUs in the system indexed as the map-key, and the
17 map-value is the config setting (per CPUMAP entry). Each CPUMAP entry has a dedicated
32 ----------
35 .. code-block:: c
37 long bpf_redirect_map(struct bpf_map *map, u32 key, u64 flags)
39 Redirect the packet to the endpoint referenced by ``map`` at index ``key``.
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/linux/arch/arm/boot/dts/nxp/imx/
H A Dimx6dl-prtvt7.dts1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
6 /dts-v1/;
8 #include "imx6qdl-prti6q.dtsi"
9 #include <dt-bindings/display/sdtv-standards.h>
10 #include <dt-bindings/input/input.h>
11 #include <dt-bindings/leds/common.h>
12 #include <dt-bindings/sound/fsl-imx-audmux.h>
23 backlight_lcd: backlight-lcd {
24 compatible = "pwm-backlight";
26 brightness-levels = <0 20 81 248 1000>;
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H A Dimx6dl-prtmvt.dts1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
7 /dts-v1/;
8 #include <dt-bindings/display/sdtv-standards.h>
9 #include <dt-bindings/gpio/gpio.h>
10 #include <dt-bindings/input/input.h>
11 #include <dt-bindings/leds/common.h>
12 #include <dt-bindings/media/tvp5150.h>
13 #include <dt-bindings/sound/fsl-imx-audmux.h>
21 stdout-path = &uart4;
25 compatible = "pwm-backlight";
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/linux/Documentation/staging/
H A Dstatic-keys.rst19 DEFINE_STATIC_KEY_TRUE(key);
20 DEFINE_STATIC_KEY_FALSE(key);
30 performance-sensitive fast-path kernel code, via a GCC feature and a code
33 DEFINE_STATIC_KEY_FALSE(key);
37 if (static_branch_unlikely(&key))
38 do unlikely code
40 do likely code
43 static_branch_enable(&key);
45 static_branch_disable(&key);
48 The static_branch_unlikely() branch will be generated into the code with as little
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/linux/arch/arm/boot/dts/nxp/lpc/
H A Dlpc3250-ea3250.dts1 // SPDX-License-Identifier: GPL-2.0-or-later
8 /dts-v1/;
20 gpio-keys {
21 compatible = "gpio-keys";
25 label = "Interrupt Key";
26 linux,code = <103>;
30 key-1 {
32 linux,code = <1>;
36 key-2 {
38 linux,code = <2>;
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/linux/Documentation/devicetree/bindings/input/
H A Dgpio-keys.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/input/gpio-keys.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Rob Herring <robh@kernel.org>
15 - gpio-keys
16 - gpio-keys-polled
23 poll-interval: true
26 …"^(button|event|key|switch|(button|event|key|switch)-[a-z0-9-]+|[a-z0-9-]+-(button|event|key|switc…
35 - items:
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H A Dpxa27x-keypad.txt4 - compatible : should be "marvell,pxa27x-keypad"
5 - reg : Address and length of the register set for the device
6 - interrupts : The interrupt for the keypad controller
7 - marvell,debounce-interval : How long time the key will be
9 is debounce interval for direct key and bit[15:0] is debounce
10 interval for matrix key. The value is in binary number of 2ms
13 Please refer to matrix-keymap.txt
16 - marvell,direct-key-count : How many direct keyes are used.
17 - marvell,direct-key-mask : The mask indicates which keyes
18 are used. If bit[X] of the mask is set, the direct key X
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/linux/include/crypto/
H A Dakcipher.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Public Key Encryption
15 * struct akcipher_request - public key cipher request
40 * struct crypto_akcipher - user-instantiated objects which encapsulate
53 * struct akcipher_alg - generic public key cipher algorithm
55 * @encrypt: Function performs an encrypt operation as defined by public key
57 * the req->dst_len will be updated to the size required for the
59 * @decrypt: Function performs a decrypt operation as defined by public key
61 * the req->dst_len will be updated to the size required for the
63 * @set_pub_key: Function invokes the algorithm specific set public key
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H A Daes.h1 /* SPDX-License-Identifier: GPL-2.0 */
22 * The POWER8 VSX optimized AES assembly code is borrowed from OpenSSL and
24 * the round keys. That assembly code is difficult to change. So for
39 /* Used unconditionally (when SPE AES code is enabled in kconfig) */
43 * Kernels that include the POWER8 VSX optimized AES code use this field
44 * when that code is usable at key preparation time. Otherwise they
50 /* Used when the CPU supports CPACF AES for this key's length */
63 /* Used unconditionally (when SPE AES code is enabled in kconfig) */
73 * struct aes_enckey - An AES key prepared for encryption
74 * @len: Key length in bytes: 16 for AES-128, 24 for AES-192, 32 for AES-256.
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/linux/drivers/input/keyboard/
H A Dpxa27x_keypad.c1 // SPDX-License-Identifier: GPL-2.0-only
35 #define KPDK 0x0008 /* Keypad Direct Key register */
37 #define KPMK 0x0018 /* Keypad Matrix Key register */
40 /* Keypad Automatic Scan Multiple Key Presser register 0-3 */
51 #define KPC_MKRN(n) FIELD_PREP(KPC_MKRN_MASK, (n) - 1)
52 #define KPC_MKCN(n) FIELD_PREP(KPC_MKCN_MASK, (n) - 1)
53 #define KPC_DKN(n) FIELD_PREP(KPC_DKN_MASK, (n) - 1)
58 #define KPC_IMKP BIT(21) /* Ignore Multiple Key Press */
66 #define KPC_DI BIT(5) /* Direct key interrupt bit */
100 #define keypad_readl(off) __raw_readl(keypad->mmio_base + (off))
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/linux/include/linux/
H A Djump_label.h1 /* SPDX-License-Identifier: GPL-2.0 */
8 * Copyright (C) 2009-2012 Jason Baron <jbaron@redhat.com>
9 * Copyright (C) 2011-2012 Red Hat, Inc., Peter Zijlstra
23 * DEFINE_STATIC_KEY_TRUE(key);
24 * DEFINE_STATIC_KEY_FALSE(key);
31 * self-modifying code. Assuming toolchain and architecture support, if we
32 * define a "key" that is initially false via "DEFINE_STATIC_KEY_FALSE(key)",
33 * an "if (static_branch_unlikely(&key))" statement is an unconditional branch
34 * (which defaults to false - and the true block is placed out of line).
35 * Similarly, we can define an initially true key via
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/linux/arch/arm/boot/dts/samsung/
H A Dexynos4412-smdk4412.dts1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (c) 2012-2013 Samsung Electronics Co., Ltd.
12 /dts-v1/;
14 #include "exynos-mfc-reserved-memory.dtsi"
31 stdout-path = "serial1:115200n8";
34 fixed-rate-clocks {
36 compatible = "samsung,clock-xxti";
37 clock-frequency = <0>;
41 compatible = "samsung,clock-xusbxti";
42 clock-frequency = <24000000>;
[all …]
H A Dexynos4210-smdkv310.dts1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
7 * Copyright (c) 2010-2011 Linaro Ltd.
14 /dts-v1/;
16 #include <dt-bindings/gpio/gpio.h>
17 #include "exynos-mfc-reserved-memory.dtsi"
34 stdout-path = "serial1:115200n8";
37 fixed-rate-clocks {
39 compatible = "samsung,clock-xxti";
40 clock-frequency = <12000000>;
[all …]
H A Ds5pv210-smdkv210.dts1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (c) 2013-2014 Samsung Electronics, Co. Ltd.
12 * NOTE: This file is completely based on original board file for mach-smdkv210
17 /dts-v1/;
18 #include <dt-bindings/interrupt-controller/irq.h>
19 #include <dt-bindings/input/input.h>
35 pmic_ap_clk: clock-0 {
37 compatible = "fixed-clock";
38 #clock-cells = <0>;
39 clock-frequency = <32768>;
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/linux/Documentation/crypto/
H A Ddescore-readme.rst1 .. SPDX-License-Identifier: GPL-2.0
13 ------------------------------------------------------------------------------
15 des - fast & portable DES encryption & decryption.
42 2. PORTABILITY to any byte-addressable host with a 32bit unsigned C type
43 3. Plug-compatible replacement for KERBEROS's low-level routines.
46 register-starved machines. My discussions with Richard Outerbridge,
49 To more rapidly understand the code in this package, inspect desSmallFips.i
51 up in a parameterized fashion so it can easily be modified by speed-daemon
57 performance comparison to other available des code which i could
58 compile on a SPARCStation 1 (cc -O4, gcc -O2):
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/linux/drivers/tty/vt/
H A Ducs.c1 // SPDX-License-Identifier: GPL-2.0
3 * ucs.c - Universal Character Set processing
23 static int interval16_cmp(const void *key, const void *element) in interval16_cmp() argument
25 u16 cp = *(u16 *)key; in interval16_cmp()
28 if (cp < entry->first) in interval16_cmp()
29 return -1; in interval16_cmp()
30 if (cp > entry->last) in interval16_cmp()
35 static int interval32_cmp(const void *key, const void *element) in interval32_cmp() argument
37 u32 cp = *(u32 *)key; in interval32_cmp()
40 if (cp < entry->first) in interval32_cmp()
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/linux/arch/arm/boot/dts/ti/omap/
H A Dam3517-evm-ui.dtsi1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2018 Logic PD, Inc - https://www.logicpd.com/
6 #include <dt-bindings/input/input.h>
10 compatible = "simple-audio-card";
11 simple-audio-card,name = "tlv320aic23-hifi";
13 simple-audio-card,widgets =
18 simple-audio-card,routing =
25 simple-audio-card,format = "i2s";
26 simple-audio-card,bitclock-master = <&sound_master>;
27 simple-audio-card,frame-master = <&sound_master>;
[all …]
/linux/drivers/tty/
H A Dsysrq.c1 // SPDX-License-Identifier: GPL-2.0
3 * Linux Magic System Request Key Hacks
9 * overhauled to use key registration
68 * sysrq_mask - Getter for sysrq_enabled mask.
101 static void sysrq_handle_loglevel(u8 key) in sysrq_handle_loglevel() argument
103 u8 loglevel = key - '0'; in sysrq_handle_loglevel()
111 .help_msg = "loglevel(0-9)",
117 static void sysrq_handle_SAK(u8 key) in sysrq_handle_SAK() argument
134 static void sysrq_handle_unraw(u8 key) in sysrq_handle_unraw() argument
149 static void sysrq_handle_crash(u8 key) in sysrq_handle_crash() argument
[all …]
/linux/fs/ubifs/
H A Dtnc.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2006-2008 Nokia Corporation.
13 * the UBIFS B-tree.
27 static int fallible_read_node(struct ubifs_info *c, const union ubifs_key *key,
53 p = &c->old_idx.rb_node; in do_insert_old_idx()
57 if (old_idx->lnum < o->lnum) in do_insert_old_idx()
58 p = &(*p)->rb_left; in do_insert_old_idx()
59 else if (old_idx->lnum > o->lnum) in do_insert_old_idx()
60 p = &(*p)->rb_right; in do_insert_old_idx()
61 else if (old_idx->offs < o->offs) in do_insert_old_idx()
[all …]
/linux/drivers/platform/x86/dell/
H A Ddell-wmi-base.c1 // SPDX-License-Identifier: GPL-2.0-or-later
6 * Copyright (C) 2014-2015 Pali Rohár <pali@kernel.org>
22 #include <linux/input/sparse-keymap.h>
28 #include "dell-smbios.h"
29 #include "dell-wmi-descriptor.h"
30 #include "dell-wmi-privacy.h"
37 #define DELL_EVENT_GUID "9DBB5994-A997-11DA-B012-B622A1EF5492"
89 /* Meta key lock */
92 /* Meta key unlock */
95 /* Key code is followed by brightness level */
[all …]

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