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/linux/lib/zstd/
H A Dzstd_compress_module.c28 static size_t zstd_cctx_init(zstd_cctx *cctx, const zstd_parameters *parameters, in zstd_cctx_init() argument
36 cctx, ZSTD_c_windowLog, parameters->cParams.windowLog)); in zstd_cctx_init()
38 cctx, ZSTD_c_hashLog, parameters->cParams.hashLog)); in zstd_cctx_init()
40 cctx, ZSTD_c_chainLog, parameters->cParams.chainLog)); in zstd_cctx_init()
42 cctx, ZSTD_c_searchLog, parameters->cParams.searchLog)); in zstd_cctx_init()
44 cctx, ZSTD_c_minMatch, parameters->cParams.minMatch)); in zstd_cctx_init()
46 cctx, ZSTD_c_targetLength, parameters->cParams.targetLength)); in zstd_cctx_init()
48 cctx, ZSTD_c_strategy, parameters->cParams.strategy)); in zstd_cctx_init()
50 cctx, ZSTD_c_contentSizeFlag, parameters->fParams.contentSizeFlag)); in zstd_cctx_init()
52 cctx, ZSTD_c_checksumFlag, parameters->fParams.checksumFlag)); in zstd_cctx_init()
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/linux/Documentation/driver-api/dmaengine/
H A Ddmatest.rst48 % echo 2000 > /sys/module/dmatest/parameters/timeout
49 % echo 1 > /sys/module/dmatest/parameters/iterations
50 % echo dma0chan0 > /sys/module/dmatest/parameters/channel
51 % echo 1 > /sys/module/dmatest/parameters/run
60 % echo 2000 > /sys/module/dmatest/parameters/timeout
61 % echo 1 > /sys/module/dmatest/parameters/iterations
62 % echo dma0chan0 > /sys/module/dmatest/parameters/channel
63 % echo dma0chan1 > /sys/module/dmatest/parameters/channel
64 % echo dma0chan2 > /sys/module/dmatest/parameters/channel
65 % echo 1 > /sys/module/dmatest/parameters/run
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/linux/Documentation/userspace-api/media/v4l/
H A Dmetafmt-rkisp1.rst11 Configuration parameters
15 parameters for the ISP to the driver using the :c:type:`v4l2_meta_format`
18 There are two methods that allow to configure the ISP, the `fixed parameters`
19 configuration format and the `extensible parameters` configuration
24 Fixed parameters configuration format
27 When using the fixed configuration format, parameters are passed to the
40 use the extensible parameters method.
44 Extensible parameters configuration format
47 When using the extensible configuration format, parameters are passed to the
55 intends to configure. The extensible parameters format design allows developers
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H A Dmetafmt-intel-ipu3.rst26 The struct :c:type:`ipu3_uapi_4a_config` saves all configurable parameters.
44 Pipeline parameters
47 The pipeline parameters are passed to the "ipu3-imgu [01] parameters" metadata
51 Both 3A statistics and pipeline parameters described here are closely tied to
63 /* Accelerator cluster parameters */
66 /* ISP vector address space parameters */
71 /* ISP data memory (DMEM) parameters */
H A Dmetafmt-pisp-be.rst14 configured by userspace by providing a buffer of configuration parameters
19 specifying two different sets of parameters by populating the members of
32 for example, LSC (Lens Shading Correction) or Denoise parameters would be common
38 Tile parameters
41 As the ISP processes images in tiles, each set of tiles parameters describe how
43 parameters consist of 160 bytes of data and to process a batch of tiles several
44 sets of tiles parameters are required.
46 Tiles parameters are passed to the ISP by populating the member of
H A Dvidioc-g-fmt.rst45 To query the current parameters applications set the ``type`` field of a
58 To change the current format parameters applications initialize the
61 :ref:`devices`. Good practice is to query the current parameters
62 first, and to modify only those parameters not suitable for the
65 checks and adjusts the parameters against hardware abilities. Drivers
68 parameters acceptable for both the application and driver. On success
71 the current format parameters as :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>` does. Very simple,
73 default parameters. However all V4L2 devices exchanging data with the
83 parameters, to learn about hardware limitations, without disabling I/O
118 - Raw VBI capture or output parameters. This is discussed in more
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H A Ddev-output.rst48 The output is determined by cropping and image format parameters. The
54 As usual these parameters are *not* reset at :c:func:`open()`
59 Cropping initialization at minimum requires to reset the parameters to
71 To request different parameters applications set the ``type`` field of a
77 parameters and finally return the actual parameters as :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>`
90 requests and always returns default parameters as :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>` does.
H A Ddev-capture.rst51 format parameters. The former select an area of the video picture to
56 As usual these parameters are *not* reset at :c:func:`open()`
61 Cropping initialization at minimum requires to reset the parameters to
74 To request different parameters applications set the ``type`` field of a
80 parameters and finally return the actual parameters as :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>`
93 requests and always returns default parameters as :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>` does.
/linux/drivers/clk/
H A Dclk-xgene.c633 struct xgene_dev_parameters *parameters, spinlock_t *lock) in xgene_register_clk() argument
653 apmclk->param = *parameters; in xgene_register_clk()
678 struct xgene_dev_parameters parameters; in xgene_devclk_init() local
686 parameters.csr_reg = NULL; in xgene_devclk_init()
687 parameters.divider_reg = NULL; in xgene_devclk_init()
704 parameters.divider_reg = map_res; in xgene_devclk_init()
706 parameters.csr_reg = map_res; in xgene_devclk_init()
708 if (of_property_read_u32(np, "csr-offset", &parameters.reg_csr_offset)) in xgene_devclk_init()
709 parameters.reg_csr_offset = 0; in xgene_devclk_init()
710 if (of_property_read_u32(np, "csr-mask", &parameters.reg_csr_mask)) in xgene_devclk_init()
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/linux/Documentation/admin-guide/
H A Dkernel-parameters.rst5 The kernel's command-line parameters
8 The following is a consolidated list of the kernel parameters as implemented
14 The kernel parses parameters from the kernel command line up to "``--``";
16 parameter gets passed to init: parameters with '=' go into init's
20 Module parameters can be specified in two ways: via the kernel command
28 kernel command line (/proc/cmdline) and collects module parameters
33 "modinfo -p ${modulename}" shows a current list of all parameters of a loadable
35 reveal their parameters in /sys/module/${modulename}/parameters/. Some of these
36 parameters may be changed at runtime by the command
37 ``echo -n ${value} > /sys/module/${modulename}/parameters/${parm}``.
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/linux/drivers/mtd/nand/raw/
H A Dnand_macronix.c54 if (!chip->parameters.supports_set_get_features || in macronix_nand_setup_read_retry()
56 chip->parameters.set_feature_list)) in macronix_nand_setup_read_retry()
104 struct nand_parameters *p = &chip->parameters; in macronix_nand_onfi_init()
178 if (!chip->parameters.supports_set_get_features) in macronix_nand_fix_broken_get_timings()
182 chip->parameters.model); in macronix_nand_fix_broken_get_timings()
186 bitmap_clear(chip->parameters.get_feature_list, in macronix_nand_fix_broken_get_timings()
188 bitmap_clear(chip->parameters.set_feature_list, in macronix_nand_fix_broken_get_timings()
235 bitmap_set(chip->parameters.get_feature_list, in macronix_nand_block_protection_support()
247 bitmap_clear(chip->parameters.get_feature_list, in macronix_nand_block_protection_support()
252 bitmap_set(chip->parameters.set_feature_list, in macronix_nand_block_protection_support()
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H A Dnand_onfi.c238 chip->parameters.model = kstrdup(p->model, GFP_KERNEL); in nand_onfi_detect()
239 if (!chip->parameters.model) { in nand_onfi_detect()
299 chip->parameters.supports_set_get_features = true; in nand_onfi_detect()
300 bitmap_set(chip->parameters.get_feature_list, in nand_onfi_detect()
302 bitmap_set(chip->parameters.set_feature_list, in nand_onfi_detect()
307 chip->parameters.supports_read_cache = true; in nand_onfi_detect()
326 chip->parameters.onfi = onfi; in nand_onfi_detect()
334 kfree(chip->parameters.model); in nand_onfi_detect()
/linux/Documentation/userspace-api/media/dvb/
H A Ddvb-frontend-parameters.rst6 frontend parameters
9 The kind of parameters passed to the frontend device for tuning depend
13 per-system parameters. However, as newer delivery systems required more
15 size would break the existing applications. So, those parameters were
18 ioctl's. The new API is flexible enough to add new parameters to
26 All kinds of parameters are combined as a union in the
54 QPSK parameters
71 QAM parameters
88 VSB parameters
103 OFDM parameters
H A Dfrontend-property-satellite-systems.rst15 The following parameters are valid for DVB-S:
40 Future implementations might add those two missing parameters:
52 In addition to all parameters valid for DVB-S, DVB-S2 supports the
53 following parameters:
74 In addition to all parameters valid for DVB-S, turbo code supports the
75 following parameters:
85 The following parameters are valid for ISDB-S:
/linux/Documentation/sound/designs/
H A Dtracepoints.rst13 and for processing of PCM hardware parameters. These tracepoints are available
24 Tracepoints for processing of PCM hardware parameters
33 substream. In this procedure, PCM hardware parameters are decided by
35 the PCM substream keeps the parameters.
37 The parameters are described in struct snd_pcm_hw_params. This
38 structure includes several types of parameters. Applications set preferable
39 value to these parameters, then execute ioctl(2) with SNDRV_PCM_IOCTL_HW_REFINE
41 set of parameters. The latter is used for an actual decision of the parameters.
47 convenient parameters or change their behaviour.
77 SNDRV_PCM_IOCTL_HW_PARAMS, this mask is ignored and all of parameters
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/linux/Documentation/firmware-guide/acpi/
H A Dmethod-tracing.rst30 /sys/module/acpi/parameters/debug_layer) and per-type level (known as
31 debug level, configured via /sys/module/acpi/parameters/debug_level).
46 # cd /sys/module/acpi/parameters
54 # cd /sys/module/acpi/parameters
58 # echo "method" > /sys/module/acpi/parameters/trace_state
63 # cd /sys/module/acpi/parameters
67 # echo "method-once" > /sys/module/acpi/parameters/trace_state
112 # cd /sys/module/acpi/parameters
120 # cd /sys/module/acpi/parameters
129 # cd /sys/module/acpi/parameters
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H A Ddebug.rst22 debug_layer and debug_level files in /sys/module/acpi/parameters/ to control
34 to /sys/module/acpi/parameters/debug_layer.
38 Reading /sys/module/acpi/parameters/debug_layer shows the supported mask values::
68 to /sys/module/acpi/parameters/debug_level.
71 /sys/module/acpi/parameters/debug_level shows the supported mask values,
128 # echo 0x4 > /sys/module/acpi/parameters/debug_level
132 # cat /sys/module/acpi/parameters/debug_layer
/linux/Documentation/scsi/
H A Dscsi-parameters.rst7 See Documentation/admin-guide/kernel-parameters.rst for general information on
8 specifying module parameters.
11 ``modinfo -p ${modulename}`` shows a current list of all parameters of a loadable
13 reveal their parameters in /sys/module/${modulename}/parameters/. Some of these
14 parameters may be changed at runtime by the command
15 ``echo -n ${value} > /sys/module/${modulename}/parameters/${parm}``.
104 st= [HW,SCSI] SCSI tape parameters (buffers, etc.)
H A Dindex.rst27 SCSI driver parameters
33 scsi-parameters
69 sd-parameters
/linux/drivers/scsi/smartpqi/
H A Dsmartpqi_sas_transport.c462 struct bmic_csmi_smp_passthru *parameters; in pqi_build_csmi_smp_passthru_buffer() local
479 put_unaligned_le32(sizeof(smp_buf->parameters), &ioctl_header->length); in pqi_build_csmi_smp_passthru_buffer()
481 parameters = &smp_buf->parameters; in pqi_build_csmi_smp_passthru_buffer()
482 parameters->phy_identifier = rphy->identify.phy_identifier; in pqi_build_csmi_smp_passthru_buffer()
483 parameters->port_identifier = 0; in pqi_build_csmi_smp_passthru_buffer()
484 parameters->connection_rate = 0; in pqi_build_csmi_smp_passthru_buffer()
486 &parameters->destination_sas_address); in pqi_build_csmi_smp_passthru_buffer()
491 put_unaligned_le32(req_size, &parameters->request_length); in pqi_build_csmi_smp_passthru_buffer()
492 put_unaligned_le32(resp_size, &parameters->response_length); in pqi_build_csmi_smp_passthru_buffer()
495 job->reply_payload.sg_cnt, &parameters->request, in pqi_build_csmi_smp_passthru_buffer()
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/linux/Documentation/i2c/
H A Dold-module-parameters.rst11 <linux/i2c.h> which created standard module parameters to let the user
13 parameters were known as ``probe`` (to let the driver probe for an extra
18 binding model, it became clear that these per-module parameters were no
24 Below is a mapping from the old module parameters to the new interface.
29 Old method (module parameters)::
42 Old method (module parameters)::
/linux/Documentation/ABI/testing/
H A Dsysfs-driver-xen-blkback1 What: /sys/module/xen_blkback/parameters/max_buffer_pages
9 What: /sys/module/xen_blkback/parameters/max_persistent_grants
19 What: /sys/module/xen_blkback/parameters/persistent_grant_unused_seconds
29 What: /sys/module/xen_blkback/parameters/buffer_squeeze_duration_ms
39 What: /sys/module/xen_blkback/parameters/feature_persistent
/linux/fs/pstore/
H A DKconfig131 NOTE that, both Kconfig and module parameters can configure
132 pstore/blk, but module parameters have priority over Kconfig.
142 NOTE that, both Kconfig and module parameters can configure
143 pstore/blk, but module parameters have priority over Kconfig.
154 NOTE that, both Kconfig and module parameters can configure
155 pstore/blk, but module parameters have priority over Kconfig.
166 NOTE that, both Kconfig and module parameters can configure
167 pstore/blk, but module parameters have priority over Kconfig.
178 NOTE that, both Kconfig and module parameters can configure
179 pstore/blk, but module parameters have priority over Kconfig.
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/linux/drivers/acpi/acpica/
H A Dnsxfeval.c247 info->parameters = ACPI_ALLOCATE_ZEROED(((acpi_size)info-> in ACPI_EXPORT_SYMBOL()
250 if (!info->parameters) { in ACPI_EXPORT_SYMBOL()
262 parameters[i]); in ACPI_EXPORT_SYMBOL()
268 info->parameters[info->param_count] = NULL; in ACPI_EXPORT_SYMBOL()
312 info->parameters = ACPI_ALLOCATE_ZEROED(((acpi_size) in ACPI_EXPORT_SYMBOL()
317 if (!info->parameters) { in ACPI_EXPORT_SYMBOL()
328 &info->parameters[i]); in ACPI_EXPORT_SYMBOL()
334 info->parameters[info->param_count] = NULL; in ACPI_EXPORT_SYMBOL()
439 if (info->parameters) { in ACPI_EXPORT_SYMBOL()
443 acpi_ut_delete_internal_object_list(info->parameters); in ACPI_EXPORT_SYMBOL()
/linux/Documentation/networking/devlink/
H A Dnetdevsim.rst13 .. list-table:: Generic parameters implemented
21 parameters.
23 .. list-table:: Driver-specific parameters implemented
70 Rate nodes and their parameters are exposed in ``netdevsim`` debugfs in RO mode.
78 Same parameters are exposed for leaf objects in corresponding ports directories.

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