| /Linux-v6.6/drivers/edac/ |
| D | Kconfig | 13 tristate "EDAC (Error Detection And Correction) reporting"
16 EDAC is a subsystem along with hardware-specific drivers designed to
17 report hardware errors. These are low-level errors that are reported
22 The mailing list for the EDAC project is linux-edac@vger.kernel.org.
40 levels are 0-4 (from low to high) and by default it is set to 2.
44 tristate "Decode MCEs in human-readable form (only on AMD for now)"
49 occurring on your machine in human-readable form.
60 Not all machines support hardware-driven error report. Some of those
61 provide a BIOS-driven error report mechanism via ACPI, using the
62 APEI/GHES driver. By enabling this option, the error reports provided
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| /Linux-v6.6/include/uapi/linux/dvb/ |
| D | frontend.h | 1 /* SPDX-License-Identifier: LGPL-2.1+ WITH Linux-syscall-note */
18 * enum fe_caps - Frontend capabilities
23 * @FE_CAN_INVERSION_AUTO: Can auto-detect frequency spectral
33 * @FE_CAN_FEC_AUTO: Can auto-detect FEC
35 * @FE_CAN_QAM_16: Supports 16-QAM modulation
36 * @FE_CAN_QAM_32: Supports 32-QAM modulation
37 * @FE_CAN_QAM_64: Supports 64-QAM modulation
38 * @FE_CAN_QAM_128: Supports 128-QAM modulation
39 * @FE_CAN_QAM_256: Supports 256-QAM modulation
40 * @FE_CAN_QAM_AUTO: Can auto-detect QAM modulation
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| /Linux-v6.6/Documentation/driver-api/ |
| D | mtdnand.rst | 10 The generic NAND driver supports almost all NAND and AG-AND based chips
31 --------------------------
37 - [MTD Interface]
43 - [NAND Interface]
48 - [GENERIC]
53 - [DEFAULT]
65 -------------------------------
71 - [INTERN]
77 - [REPLACEABLE]
86 - [BOARDSPECIFIC]
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| /Linux-v6.6/drivers/mtd/nand/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
23 This enables support for software Hamming error
24 correction. This correction can correct up to 1 bit error
27 more strength correction and in this case BCH or RS will be
44 This enables support for software BCH error correction. Binary BCH
47 of error correction.
|
| D | ecc-sw-bch.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * This file provides ECC correction for more than 1 bit per block of data,
15 #include <linux/mtd/nand-ecc-sw-bch.h>
18 * nand_ecc_sw_bch_calculate - Calculate the ECC corresponding to a data block
26 struct nand_ecc_sw_bch_conf *engine_conf = nand->ecc.ctx.priv; in nand_ecc_sw_bch_calculate()
29 memset(code, 0, engine_conf->code_size); in nand_ecc_sw_bch_calculate()
30 bch_encode(engine_conf->bch, buf, nand->ecc.ctx.conf.step_size, code); in nand_ecc_sw_bch_calculate()
33 for (i = 0; i < engine_conf->code_size; i++) in nand_ecc_sw_bch_calculate()
34 code[i] ^= engine_conf->eccmask[i]; in nand_ecc_sw_bch_calculate()
41 * nand_ecc_sw_bch_correct - Detect, correct and report bit error(s)
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| /Linux-v6.6/drivers/mtd/nand/raw/ingenic/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
8 based boards, using the BCH controller for hardware error correction.
19 Enable this driver to support the Reed-Solomon error-correction
23 will be called jz4740-ecc.
29 Enable this driver to support the BCH error-correction hardware
33 will be called jz4725b-bch.
39 Enable this driver to support the BCH error-correction hardware
43 will be called jz4780-bch.
|
| /Linux-v6.6/Documentation/core-api/ |
| D | librs.rst | 2 Reed-Solomon Library Programming Interface
10 The generic Reed-Solomon Library provides encoding, decoding and error
11 correction functions.
13 Reed-Solomon codes are used in communication and storage applications to
30 ------------
33 which holds the necessary information for encoding, decoding and error
34 correction with the given polynomial. It either uses an existing
54 --------
56 The encoder calculates the Reed-Solomon code over the given data length
60 The expanded data can be inverted on the fly by providing a non-zero
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| /Linux-v6.6/drivers/macintosh/ |
| D | windfarm_pm121.c | 1 // SPDX-License-Identifier: GPL-2.0-only
16 * that none of the code has been re-used, it's a complete
17 * re-implementation
21 * controls with a tiny difference. The control-ids of hard-drive-fan
22 * and cpu-fan is swapped.
24 * Target Correction :
26 * controls have a target correction calculated as :
31 * OD Fan control correction.
34 * offset : -19563152
38 * offset : -15650652
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| /Linux-v6.6/Documentation/devicetree/bindings/edac/ |
| D | aspeed-sdram-edac.txt | 3 The Aspeed BMC SoC supports DDR3 and DDR4 memory with and without ECC (error
4 correction check).
6 The memory controller supports SECDED (single bit error correction, double bit
7 error detection) and single bit error auto scrubbing by reserving 8 bits for
14 - compatible: should be one of
15 - "aspeed,ast2400-sdram-edac"
16 - "aspeed,ast2500-sdram-edac"
17 - "aspeed,ast2600-sdram-edac"
18 - reg: sdram controller register set should be <0x1e6e0000 0x174>
19 - interrupts: should be AVIC interrupt #0
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| /Linux-v6.6/drivers/gpu/drm/sun4i/ |
| D | sunxi_engine.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
17 * struct sunxi_engine_ops - helper operations for sunXi engines
39 * This callback allows to validate plane-update related CRTC
48 * 0 on success or a negative error code.
75 * error pointer on failure.
83 * This callback will enable the color correction in the
93 * This callback will stop the color correction in the
103 * This callback is used to implement engine-specific
126 * struct sunxi_engine - the common parts of an engine for sun4i-drm driver
130 * @id: the id of the engine (-1 if not used)
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| /Linux-v6.6/Documentation/devicetree/bindings/memory-controllers/ |
| D | nuvoton,npcm-memory-controller.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/memory-controllers/nuvoton,npcm-memory-controller.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Marvin Lin <kflin@nuvoton.com>
11 - Stanley Chu <yschu@nuvoton.com>
14 The Nuvoton BMC SoC supports DDR4 memory with or without ECC (error correction
17 The memory controller supports single bit error correction, double bit error
18 detection (in-line ECC in which a section (1/8th) of the memory device used to
26 - nuvoton,npcm750-memory-controller
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|
| /Linux-v6.6/lib/reed_solomon/ |
| D | test_rslib.c | 1 // SPDX-License-Identifier: GPL-2.0
34 __param(int, bc, 1, "Test for correct behaviour beyond error correction capacity");
80 uint16_t *corr; /* correction buffer */
103 kfree(ws->errlocs); in free_ws()
104 kfree(ws->c); in free_ws()
110 int nroots = rs->nroots; in alloc_ws()
112 int nn = rs->nn; in alloc_ws()
118 ws->c = kmalloc_array(2 * (nn + nroots), in alloc_ws()
120 if (!ws->c) in alloc_ws()
123 ws->r = ws->c + nn; in alloc_ws()
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| /Linux-v6.6/Documentation/admin-guide/ |
| D | ras.rst | 33 -------------
44 * Memory – add error correction logic (ECC) to detect and correct errors;
47 Self-Monitoring, Analysis and Reporting Technology (SMART).
49 By monitoring the number of occurrences of error detections, it is possible
55 ---------------
58 Codes that allow error correction when the number of errors on a bit packet
60 can indicate with a high degree of confidence that an error happened, but
63 Also, sometimes an error occur on a component that it is not used. For
68 * **Correctable Error (CE)** - the error detection mechanism detected and
69 corrected the error. Such errors are usually not fatal, although some
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| /Linux-v6.6/Documentation/userspace-api/media/dvb/ |
| D | frontend-stat-properties.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _frontend-stat-properties:
32 - ``svalue`` or ``uvalue``, where ``svalue`` is for signed values of
36 - ``scale`` - Scale for the value. It can be:
38 - ``FE_SCALE_NOT_AVAILABLE`` - The parameter is supported by the
42 - ``FE_SCALE_DECIBEL`` - parameter is a signed value, measured in
45 - ``FE_SCALE_RELATIVE`` - parameter is a unsigned value, where 0
48 - ``FE_SCALE_COUNTER`` - parameter is a unsigned value that counts
49 the occurrence of an event, like bit error, block error, or lapsed
53 .. _DTV-STAT-SIGNAL-STRENGTH:
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| D | dvb-frontend-parameters.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 per-system parameters. However, as newer delivery systems required more
24 DVB-S2, DVB-T2, DVB-C2, ISDB, etc.
30 .. code-block:: c
61 .. code-block:: c
65 fe_code_rate_t fec_inner; /* forward error correction (see above) */
77 .. code-block:: c
81 fe_code_rate_t fec_inner; /* forward error correction (see above) */
94 .. code-block:: c
106 DVB-T frontends are supported by the ``dvb_ofdm_parameters`` structure:
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| /Linux-v6.6/drivers/staging/media/omap4iss/ |
| D | iss_ipipeif.h | 1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * TI OMAP4 ISS V4L2 Driver - ISP IPIPEIF module
31 * struct iss_ipipeif_device - Structure for the IPIPEIF module to store its own
39 * @error: A hardware error occurred during capture
40 * @alaw: A-law compression enabled (1) or disabled (0)
42 * @obclamp: Optical-black clamp enabled (1) or disabled (0)
43 * @fpc_en: Faulty pixels correction enabled (1) or disabled (0)
45 * @clamp: Optical-black or digital clamp configuration
46 * @fpc: Faulty pixels correction configuration
67 unsigned int error; member
|
| /Linux-v6.6/drivers/staging/media/atomisp/pci/runtime/binary/interface/ |
| D | ia_css_binary.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
4 Copyright (c) 2010 - 2015, Intel Corporation.
28 /* The binary mode is used in pre-processor expressions so we cannot
102 struct ia_css_frame_info *in_info; /* the info of the input-frame with the
176 /* @brief Get the shading information of the specified shading correction type.
178 * @param[in] binary: The isp binary which has the shading correction.
179 * @param[in] type: The shading correction type.
188 * @return 0 or error code upon error.
|
| /Linux-v6.6/include/linux/ |
| D | timex.h | 28 * Added defines for hybrid phase/frequency-lock loop.
32 * defines for PPS phase-lock loop.
46 * 1995-08-13 Torsten Duwe
47 * kernel PLL updated to 1994-12-13 specs (rfc-1589)
48 * 1997-08-30 Ulrich Windl
50 * 2004-08-12 Christoph Lameter
59 #define ADJ_OFFSET_SINGLESHOT 0x0001 /* old-fashioned adjtime */
60 #define ADJ_OFFSET_READONLY 0x2000 /* read-only adjtime */
73 * when an interrupt takes places versus a high speed, fine-grained
91 * adjust the frequency correction for a given offset in PLL mode.
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| /Linux-v6.6/drivers/mtd/tests/ |
| D | subpagetest.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2006-2007 Nokia Corporation
5 * Test sub-page read and write on MTD device.
6 * Author: Adrian Hunter <ext-adrian.hunter@nokia.com>
22 static int dev = -EINVAL;
47 loff_t addr = (loff_t)ebnum * mtd->erasesize; in write_eraseblock()
52 pr_err("error: write failed at %#llx\n", in write_eraseblock()
58 return err ? err : -1; in write_eraseblock()
66 pr_err("error: write failed at %#llx\n", in write_eraseblock()
72 return err ? err : -1; in write_eraseblock()
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| /Linux-v6.6/drivers/media/i2c/ccs/ |
| D | ccs-quirk.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * drivers/media/i2c/ccs/ccs-quirk.c
8 * Copyright (C) 2011--2012 Nokia Corporation
15 #include "ccs-limits.h"
20 struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd); in ccs_write_addr_8s()
23 for (; len > 0; len--, regs++) { in ccs_write_addr_8s()
24 rval = ccs_write_addr(sensor, regs->reg, regs->val); in ccs_write_addr_8s()
26 dev_err(&client->dev, in ccs_write_addr_8s()
27 "error %d writing reg 0x%4.4x, val 0x%2.2x", in ccs_write_addr_8s()
28 rval, regs->reg, regs->val); in ccs_write_addr_8s()
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| /Linux-v6.6/drivers/staging/media/atomisp/pci/ |
| D | atomisp_cmd.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
28 #include <media/v4l2-subdev.h>
87 * Function to enable/disable lens geometry distortion correction (GDC) and
88 * chromatic aberration correction (CAC)
130 /* Function to update gamma correction parameters */
173 /* Function to configure bad pixel correction */
177 /* Function to configure bad pixel correction params */
193 /* Function to configure false color correction */
197 /* Function to configure false color correction params */
276 void atomisp_buf_done(struct atomisp_sub_device *asd, int error,
|
| D | css_receiver_2400_defs.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
50 …VER_2400_GEN_SHORT_STR_DATA_BIT_MSB (_HRT_CSS_RECEIVER_2400_GEN_SHORT_STR_FMT_TYPE_BIT_LSB - 1)
51 …VER_2400_GEN_SHORT_STR_FMT_TYPE_BIT_MSB (_HRT_CSS_RECEIVER_2400_GEN_SHORT_STR_CH_ID_BIT_LSB - 1)
52 …VER_2400_GEN_SHORT_STR_CH_ID_BIT_MSB (_HRT_CSS_RECEIVER_2400_GEN_SHORT_STR_REAL_WIDTH - 1)
113 #define _HRT_CSS_RECEIVER_2400_IRQ_ERR_SOT_HS_CAUSE_ "Error high speed SOT"
114 #define _HRT_CSS_RECEIVER_2400_IRQ_ERR_SOT_SYNC_HS_CAUSE_ "Error high speed sync SOT"
115 #define _HRT_CSS_RECEIVER_2400_IRQ_ERR_CONTROL_CAUSE_ "Error control"
116 #define _HRT_CSS_RECEIVER_2400_IRQ_ERR_ECC_DOUBLE_CAUSE_ "Error correction double bit"
117 #define _HRT_CSS_RECEIVER_2400_IRQ_ERR_ECC_CORRECTED_CAUSE_ "Error correction single bit"
118 #define _HRT_CSS_RECEIVER_2400_IRQ_ERR_ECC_NO_CORRECTION_CAUSE_ "No error"
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| /Linux-v6.6/lib/zstd/compress/ |
| D | zstd_compress_internal.h | 5 * This source code is licensed under both the BSD-style license (found in the
8 * You may select, at your option, one of the above-listed licenses.
18 /*-*************************************
25 /*-*************************************
35 … benefit is that ZSTD_DUBT_UNSORTED_MARK cannot be mishandled after table re-use with a different …
39 /*-*************************************
82 * Stores Literals Block Type for a super-block in hType, and
93 * Stores symbol compression modes for a super-block in {ll, ol, ml}Type, and
113 * @return : 0 on success or error code */
158 /* All tables are allocated inside cctx->workspace by ZSTD_resetCCtx_internal() */
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| /Linux-v6.6/drivers/media/i2c/ |
| D | ov772x.c | 1 // SPDX-License-Identifier: GPL-2.0
12 * Copyright 2006-7 Jonathan Corbet <corbet@lwn.net>
26 #include <linux/v4l2-mediabus.h>
31 #include <media/v4l2-ctrls.h>
32 #include <media/v4l2-device.h>
33 #include <media/v4l2-event.h>
34 #include <media/v4l2-fwnode.h>
35 #include <media/v4l2-image-sizes.h>
36 #include <media/v4l2-subdev.h>
41 #define GAIN 0x00 /* AGC - Gain control gain setting */
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| /Linux-v6.6/Documentation/admin-guide/device-mapper/ |
| D | verity.rst | 2 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
96 Use forward error correction (FEC) to recover from corruption if hash
110 is M-N.
122 rather than every time. This reduces the overhead of dm-verity so that it
151 dm-verity is meant to be set up as part of a verified boot path. This
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