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/linux-6.12.1/Documentation/infiniband/
Dtag_matching.rst5 The MPI standard defines a set of rules, known as tag-matching, for matching
10 * User tag - wild card may be specified by the receiver
15 message envelopes may match, the pair that includes the earliest posted-send
16 and the earliest posted-receive is the pair that must be used to satisfy the
31 1. The Eager protocol- the complete message is sent when the send is
35 2. The Rendezvous Protocol - the sender sends the tag-matching header,
51 pre-posted receive for this arriving message, it is passed to the software and
53 including rendezvous processing, if appropriate, delivering the data to the
54 specified receive buffer. This allows overlapping receive-side MPI tag
57 When a receive-message is posted, the communication library will first check
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/linux-6.12.1/Documentation/admin-guide/media/
Dimx.rst1 .. SPDX-License-Identifier: GPL-2.0
7 ------------
9 The Freescale i.MX5/6 contains an Image Processing Unit (IPU), which
15 - Image DMA Controller (IDMAC)
16 - Camera Serial Interface (CSI)
17 - Image Converter (IC)
18 - Sensor Multi-FIFO Controller (SMFC)
19 - Image Rotator (IRT)
20 - Video De-Interlacing or Combining Block (VDIC)
26 re-ordering (for example UYVY to YUYV) within the same colorspace, and
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/linux-6.12.1/drivers/gpu/drm/i915/gt/uc/
Dguc_capture_fwif.h1 /* SPDX-License-Identifier: MIT */
3 * Copyright © 2021-2022 Intel Corporation
18 * Book-keeping structure used to track read and write pointers
19 * as we extract error capture data from the GuC-log-buffer's
20 * error-capture region as a stream of dwords.
30 * struct __guc_capture_parsed_output - extracted error capture node
32 * A single unit of extracted error-capture output data grouped together
33 * at an engine-instance level. We keep these nodes in a linked list.
38 * A single set of 3 capture lists: a global-list
39 * an engine-class-list and an engine-instance list.
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/linux-6.12.1/tools/perf/pmu-events/arch/arm64/arm/cortex-a510/
Dpipeline.json21 … the frontend, cache miss. This event counts every cycle that the Data Processing Unit (DPU) instr…
24 … the frontend, cache miss. This event counts every cycle that the Data Processing Unit (DPU) instr…
33 "PublicDescription": "No operation issued due to the frontend, pre-decode error",
36 "BriefDescription": "No operation issued due to the frontend, pre-decode error"
51 …on": "No operation issued due to the backend, interlock, or the Vector Processing Unit (VPU). This…
54 …on": "No operation issued due to the backend, interlock, or the Vector Processing Unit (VPU). This…
69 …e event counts for stalls that are caused by missing the cache or where the data is Non-cacheable",
72 …he event counts for stalls that are caused by missing the cache or where the data is Non-cacheable"
/linux-6.12.1/block/
Dblk-pm.c1 // SPDX-License-Identifier: GPL-2.0
3 #include <linux/blk-pm.h>
6 #include "blk-mq.h"
9 * blk_pm_runtime_init - Block layer runtime PM initialization routine
14 * Initialize runtime-PM-related fields for @q and start auto suspend for
15 * @dev. Drivers that want to take advantage of request-based runtime PM
22 * the autosuspend delay is set to -1 to make runtime suspend impossible
31 q->dev = dev; in blk_pm_runtime_init()
32 q->rpm_status = RPM_ACTIVE; in blk_pm_runtime_init()
33 pm_runtime_set_autosuspend_delay(q->dev, -1); in blk_pm_runtime_init()
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/linux-6.12.1/drivers/gpu/drm/meson/
Dmeson_vpp.c1 // SPDX-License-Identifier: GPL-2.0-or-later
16 * DOC: Video Post Processing
18 * VPP Handles all the Post Processing after the Scanout from the VIU
21 * - Postblend, Blends the OSD1 only
23 * - Vertical OSD Scaler for OSD1 only, we disable vertical scaler and
25 * - Intermediate FIFO with default Amlogic values
29 * - Preblend for video overlay pre-scaling
30 * - OSD2 support for cursor framebuffer
31 * - Video pre-scaling before postblend
32 * - Full Vertical/Horizontal OSD scaling to support TV overscan
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/linux-6.12.1/fs/smb/server/
Dserver.c1 // SPDX-License-Identifier: GPL-2.0-or-later
44 return -EINVAL; in ___server_conf_set()
47 return -EINVAL; in ___server_conf_set()
52 return -ENOMEM; in ___server_conf_set()
87 * check_conn_state() - check state of server thread connection
96 if (ksmbd_conn_exiting(work->conn) || in check_conn_state()
97 ksmbd_conn_need_reconnect(work->conn)) { in check_conn_state()
98 rsp_hdr = work->response_buf; in check_conn_state()
99 rsp_hdr->Status.CifsError = STATUS_CONNECTION_DISCONNECTED; in check_conn_state()
119 conn->ops->set_rsp_status(work, STATUS_INVALID_PARAMETER); in __process_request()
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/linux-6.12.1/Documentation/devicetree/bindings/input/
Dmicrochip,qt1050.txt1 Microchip AT42QT1050 Five-channel Touch Sensor IC
4 one to five keys, dependent on mode. The QT1050 includes all signal processing
11 - compatible: Must be "microchip,qt1050"
12 - reg: The I2C address of the device
13 - interrupts: The sink for the touchpad's IRQ output,
14 see ../interrupt-controller/interrupts.txt
17 - wakeup-source: touch keys can be used as a wakeup source
19 Each button (key) is represented as a sub-node:
25 - linux,code: Keycode to emit.
26 - reg: The key number. Valid values: 0, 1, 2, 3, 4.
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/linux-6.12.1/drivers/media/platform/renesas/vsp1/
Dvsp1_dl.c1 // SPDX-License-Identifier: GPL-2.0+
3 * vsp1_dl.c -- R-Car VSP1 Display List
11 #include <linux/dma-mapping.h>
41 * struct vsp1_dl_ext_header - Extended display list header
43 * @pre_ext_dl_num_cmd: number of pre-extended command bodies to parse
44 * @flags: enables or disables execution of the pre and post command
45 * @pre_ext_dl_plist: start address of pre-extended display list bodies
46 * @post_ext_dl_num_cmd: number of post-extended command bodies to parse
47 * @post_ext_dl_plist: start address of post-extended display list bodies
54 * expecting 32-bit accesses. The flags are appropriate to the whole
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/linux-6.12.1/include/uapi/linux/
Drkisp1-config.h1 /* SPDX-License-Identifier: ((GPL-2.0+ WITH Linux-syscall-note) OR MIT) */
16 /* Sensor De-gamma */
32 /* Color Processing */
44 /* Denoise Pre-Filter */
46 /* Denoise Pre-Filter Strength */
129 /* 0-2 for sets 1-3 */
162 * Denoising pre filter
181 * enum rkisp1_cif_isp_version - ISP variants
221 * enum rkisp1_cif_isp_exp_ctrl_autostop - stop modes
231 * enum rkisp1_cif_isp_exp_meas_mode - Exposure measure mode
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/linux-6.12.1/Documentation/devicetree/bindings/display/
Damlogic,meson-vpu.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/display/amlogic,meson-vpu.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Neil Armstrong <neil.armstrong@linaro.org>
17 DMC|---------------VPU (Video Processing Unit)----------------|------HHI------|
19 D |-------| |----| | | | | HDMI PLL |
20 D | vd2 | VIU | | Video Post | | Video Encoders |<---|-----VCLK |
21 R |-------| |----| Processing | | | | |
22 | osd2 | | | |---| Enci ----------|----|-----VDAC------|
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/linux-6.12.1/arch/loongarch/kernel/
Dkprobes.c1 // SPDX-License-Identifier: GPL-2.0-only
15 p->ainsn.insn[0] = *p->addr; in arch_prepare_ss_slot()
16 p->ainsn.insn[1] = KPROBE_SSTEPBP_INSN; in arch_prepare_ss_slot()
17 p->ainsn.restore = (unsigned long)p->addr + LOONGARCH_INSN_SIZE; in arch_prepare_ss_slot()
23 p->ainsn.restore = 0; in arch_prepare_simulate()
31 if ((unsigned long)p->addr & 0x3) in arch_prepare_kprobe()
32 return -EILSEQ; in arch_prepare_kprobe()
35 p->opcode = *p->addr; in arch_prepare_kprobe()
36 insn.word = p->opcode; in arch_prepare_kprobe()
40 return -EINVAL; in arch_prepare_kprobe()
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/linux-6.12.1/Documentation/devicetree/bindings/media/
Dti,cal.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Benoit Parrot <bparrot@ti.com>
12 description: |-
15 processing capability to connect CSI2 image-sensor modules to the
24 - ti,dra72-cal
25 # for DRA72 controllers pre ES2.0
26 - ti,dra72-pre-es2-cal
28 - ti,dra76-cal
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/linux-6.12.1/drivers/media/platform/chips-media/wave5/
Dwave5.h1 /* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
3 * Wave5 series multi-standard codec IP - wave5 backend definitions
5 * Copyright (C) 2021-2023 CHIPS&MEDIA INC
19 * This option can be set anytime but cannot be cleared during processing.
35 * with the opposite endianness, thus hard-code big endian for the register
48 /* Mirror & rotation modes of the PRP (pre-processing) module */
/linux-6.12.1/drivers/misc/echo/
Decho.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * SpanDSP - a series of DSP components for telephony
5 * echo.c - A line echo canceller. This code is being developed
24 This module aims to provide G.168-2002 compliant echo cancellation, to remove
25 electrical echoes (e.g. from 2-4 wire hybrids) from voice calls.
43 varies widely. This is quite easy to fix. If the signal level is normalised -
44 similar to applying AGC - LMS can work as well for a signal of varying
47 other algorithms exist - e.g. RLS (essentially the same as Kalman filtering),
54 high frequency content. Pre-whitening (i.e. filtering the signal to flatten its
57 low complexity filter is adequate for this, so pre-whitening adds little to the
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/linux-6.12.1/Documentation/devicetree/bindings/sound/
Dnvidia,tegra210-ahub.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/sound/nvidia,tegra210-ahub.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 for audio pre-processing, post-processing and a programmable full
17 - Jon Hunter <jonathanh@nvidia.com>
18 - Sameer Pujar <spujar@nvidia.com>
22 pattern: "^ahub@[0-9a-f]*$"
26 - enum:
27 - nvidia,tegra210-ahub
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/linux-6.12.1/kernel/
DKconfig.preempt1 # SPDX-License-Identifier: GPL-2.0-only
29 raw processing power of the kernel, irrespective of scheduling
52 bool "Preemptible Kernel (Low-Latency Desktop)"
71 bool "Fully Preemptible Kernel (Real-Time)"
75 This option turns the kernel into a real-time kernel by replacing
77 preemptible priority-inheritance aware variants, enforcing
79 non-preemptible sections. This makes the kernel, except for very
85 require real-time guarantees.
108 provide a pre-built kernel binary to reduce the number of kernel
115 Interesting if you want the same pre-built kernel should be used for
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/linux-6.12.1/arch/s390/kernel/
Dkprobes.c1 // SPDX-License-Identifier: GPL-2.0+
24 #include <asm/text-patching.h>
53 len = insn_length(*p->addr >> 8); in copy_instruction()
54 memcpy(&insn, p->addr, len); in copy_instruction()
55 p->opcode = insn[0]; in copy_instruction()
58 * For pc-relative instructions in RIL-b or RIL-c format patch in copy_instruction()
65 addr = (u64)(unsigned long)p->addr; in copy_instruction()
66 new_addr = (u64)(unsigned long)p->ainsn.insn; in copy_instruction()
67 new_disp = ((addr + (disp * 2)) - new_addr) / 2; in copy_instruction()
70 s390_kernel_write(p->ainsn.insn, &insn, len); in copy_instruction()
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/linux-6.12.1/Documentation/devicetree/bindings/dsp/
Dmediatek,mt8186-dsp.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/dsp/mediatek,mt8186-dsp.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Tinghan Shen <tinghan.shen@mediatek.com>
14 advanced pre- and post- audio processing.
19 - mediatek,mt8186-dsp
20 - mediatek,mt8188-dsp
24 - description: Address and size of the DSP config registers
25 - description: Address and size of the DSP SRAM
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Dmediatek,mt8195-dsp.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/dsp/mediatek,mt8195-dsp.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - YC Hung <yc.hung@mediatek.com>
14 advanced pre- and post- audio processing.
18 const: mediatek,mt8195-dsp
22 - description: Address and size of the DSP Cfg registers
23 - description: Address and size of the DSP SRAM
25 reg-names:
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/linux-6.12.1/kernel/bpf/
Dcgroup_iter.c1 // SPDX-License-Identifier: GPL-2.0-only
9 #include "../cgroup/cgroup-internal.h" /* cgroup_mutex and cgroup_is_dead */
13 * 1. Walk the descendants of a cgroup in pre-order.
14 * 2. Walk the descendants of a cgroup in post-order.
18 * For walking descendants, cgroup_iter can walk in either pre-order or
19 * post-order. For walking ancestors, the iter walks up from a cgroup to
25 * The prog can check (seq->num == 0) to determine whether this is
28 * do post-processing, such as outputting an epilogue.
59 struct cgroup_iter_priv *p = seq->private; in cgroup_iter_seq_start()
65 if (p->visited_all) in cgroup_iter_seq_start()
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/linux-6.12.1/include/linux/
Dnvmem-provider.h1 /* SPDX-License-Identifier: GPL-2.0 */
6 * Copyright (C) 2013 Maxime Ripard <maxime.ripard@free-electrons.com>
23 /* used for vendor specific post processing of cell data */
36 #define NVMEM_DEVID_NONE (-1)
37 #define NVMEM_DEVID_AUTO (-2)
40 * struct nvmem_keepout - NVMEM register keepout range.
53 * struct nvmem_cell_info - NVMEM cell description
56 * @raw_len: Length of raw data (without post processing).
61 * @read_post_process: Callback for optional post processing of cell data
78 * struct nvmem_config - NVMEM device configuration
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/linux-6.12.1/arch/arm/probes/kprobes/
Dcore.c1 // SPDX-License-Identifier: GPL-2.0-only
31 #include "../decode-arm.h"
32 #include "../decode-thumb.h"
37 (unsigned long)current_thread_info() + THREAD_START_SP - (addr))
52 unsigned long addr = (unsigned long)p->addr; in arch_prepare_kprobe()
77 return -EINVAL; in arch_prepare_kprobe()
78 insn = __mem_to_opcode_arm(*p->addr); in arch_prepare_kprobe()
84 p->opcode = insn; in arch_prepare_kprobe()
85 p->ainsn.insn = tmp_insn; in arch_prepare_kprobe()
87 switch ((*decode_insn)(insn, &p->ainsn, true, actions, checkers)) { in arch_prepare_kprobe()
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/linux-6.12.1/sound/soc/sunxi/
Dsun4i-codec.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright 2015 Maxime Ripard <maxime.ripard@free-electrons.com>
7 * Copyright 2016 Chen-Yu Tsai <wens@csie.org>
218 /* TODO sun6i DAP (Digital Audio Processing) bits */
229 /* TODO H3 DAP (Digital Audio Processing) bits */
249 regmap_set_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC, in sun4i_codec_start_playback()
253 regmap_set_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC, in sun4i_codec_start_playback()
260 regmap_clear_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC, in sun4i_codec_stop_playback()
267 regmap_field_set_bits(scodec->reg_adc_fifoc, in sun4i_codec_start_capture()
274 regmap_field_clear_bits(scodec->reg_adc_fifoc, in sun4i_codec_stop_capture()
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/linux-6.12.1/arch/parisc/kernel/
Dkprobes.c1 // SPDX-License-Identifier: GPL-2.0
5 * PA-RISC kprobes implementation
22 if ((unsigned long)p->addr & 3UL) in arch_prepare_kprobe()
23 return -EINVAL; in arch_prepare_kprobe()
25 p->ainsn.insn = get_insn_slot(); in arch_prepare_kprobe()
26 if (!p->ainsn.insn) in arch_prepare_kprobe()
27 return -ENOMEM; in arch_prepare_kprobe()
33 p->opcode = *p->addr; in arch_prepare_kprobe()
34 p->ainsn.insn[0] = p->opcode; in arch_prepare_kprobe()
35 p->ainsn.insn[1] = PARISC_KPROBES_BREAK_INSN2; in arch_prepare_kprobe()
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