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/Linux-v5.15/Documentation/driver-api/dmaengine/
Ddmatest.rst38 % echo 2000 > /sys/module/dmatest/parameters/timeout
39 % echo 1 > /sys/module/dmatest/parameters/iterations
40 % echo dma0chan0 > /sys/module/dmatest/parameters/channel
41 % echo 1 > /sys/module/dmatest/parameters/run
50 % echo 2000 > /sys/module/dmatest/parameters/timeout
51 % echo 1 > /sys/module/dmatest/parameters/iterations
52 % echo dma0chan0 > /sys/module/dmatest/parameters/channel
53 % echo dma0chan1 > /sys/module/dmatest/parameters/channel
54 % echo dma0chan2 > /sys/module/dmatest/parameters/channel
55 % echo 1 > /sys/module/dmatest/parameters/run
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/Linux-v5.15/drivers/clk/
Dclk-xgene.c626 struct xgene_dev_parameters *parameters, spinlock_t *lock) in xgene_register_clk() argument
646 apmclk->param = *parameters; in xgene_register_clk()
671 struct xgene_dev_parameters parameters; in xgene_devclk_init() local
679 parameters.csr_reg = NULL; in xgene_devclk_init()
680 parameters.divider_reg = NULL; in xgene_devclk_init()
697 parameters.divider_reg = map_res; in xgene_devclk_init()
699 parameters.csr_reg = map_res; in xgene_devclk_init()
701 if (of_property_read_u32(np, "csr-offset", &parameters.reg_csr_offset)) in xgene_devclk_init()
702 parameters.reg_csr_offset = 0; in xgene_devclk_init()
703 if (of_property_read_u32(np, "csr-mask", &parameters.reg_csr_mask)) in xgene_devclk_init()
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/Linux-v5.15/drivers/mtd/nand/raw/
Dnand_macronix.c43 if (!chip->parameters.supports_set_get_features || in macronix_nand_setup_read_retry()
45 chip->parameters.set_feature_list)) in macronix_nand_setup_read_retry()
93 struct nand_parameters *p = &chip->parameters; in macronix_nand_onfi_init()
168 if (!chip->parameters.supports_set_get_features) in macronix_nand_fix_broken_get_timings()
172 chip->parameters.model); in macronix_nand_fix_broken_get_timings()
176 bitmap_clear(chip->parameters.get_feature_list, in macronix_nand_fix_broken_get_timings()
178 bitmap_clear(chip->parameters.set_feature_list, in macronix_nand_fix_broken_get_timings()
225 bitmap_set(chip->parameters.get_feature_list, in macronix_nand_block_protection_support()
237 bitmap_clear(chip->parameters.get_feature_list, in macronix_nand_block_protection_support()
242 bitmap_set(chip->parameters.set_feature_list, in macronix_nand_block_protection_support()
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Dnand_onfi.c239 chip->parameters.model = kstrdup(p->model, GFP_KERNEL); in nand_onfi_detect()
240 if (!chip->parameters.model) { in nand_onfi_detect()
300 chip->parameters.supports_set_get_features = true; in nand_onfi_detect()
301 bitmap_set(chip->parameters.get_feature_list, in nand_onfi_detect()
303 bitmap_set(chip->parameters.set_feature_list, in nand_onfi_detect()
324 chip->parameters.onfi = onfi; in nand_onfi_detect()
332 kfree(chip->parameters.model); in nand_onfi_detect()
/Linux-v5.15/Documentation/ia64/
Derr_inject.rst44 # err_type_info, err_struct_info: PAL parameters.
751 parameters_t parameters[MAX_TASK_NUM]={};
785 parameters[num].cpu=cpu;
786 parameters[num].loop=loop;
787 parameters[num].interval= interval>MIN_INTERVAL
789 parameters[num].err_type_info=err_type_info_conf;
790 parameters[num].err_struct_info=err_struct_info_conf;
791 memcpy(parameters[num++].err_data_buffer,
799 parameters[0].cpu=line_para.cpu;
800 parameters[0].loop=line_para.loop;
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/Linux-v5.15/Documentation/userspace-api/media/dvb/
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
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-v5.15/Documentation/userspace-api/media/v4l/
Dpixfmt-meta-intel-ipu3.rst25 The struct :c:type:`ipu3_uapi_4a_config` saves all configurable parameters.
43 Pipeline parameters
46 The pipeline parameters are passed to the "ipu3-imgu [01] parameters" metadata
50 Both 3A statistics and pipeline parameters described here are closely tied to
62 /* Accelerator cluster parameters */
65 /* ISP vector address space parameters */
70 /* ISP data memory (DMEM) parameters */
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
[all …]
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.
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-v5.15/Documentation/sound/designs/
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-v5.15/Documentation/scsi/
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.)
/Linux-v5.15/Documentation/firmware-guide/acpi/
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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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-v5.15/drivers/scsi/smartpqi/
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-v5.15/Documentation/admin-guide/
Dkernel-parameters.rst3 The kernel's command-line parameters
6 The following is a consolidated list of the kernel parameters as implemented
12 The kernel parses parameters from the kernel command line up to "``--``";
14 parameter gets passed to init: parameters with '=' go into init's
18 Module parameters can be specified in two ways: via the kernel command
26 kernel command line (/proc/cmdline) and collects module parameters
45 Some kernel parameters take a list of CPUs as a value, e.g. isolcpus,
86 "modinfo -p ${modulename}" shows a current list of all parameters of a loadable
88 reveal their parameters in /sys/module/${modulename}/parameters/. Some of these
89 parameters may be changed at runtime by the command
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/Linux-v5.15/Documentation/i2c/
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-v5.15/Documentation/networking/devlink/
Ddevlink-params.rst7 ``devlink`` provides capability for a driver to expose device parameters for low
12 This document describes a number of generic parameters that are supported
14 parameters. Each driver must document the specific parameters they support,
40 In order for ``driverinit`` parameters to take effect, the driver must
46 Generic configuration parameters
48 The following is a list of generic configuration parameters that drivers may
49 add. Use of generic parameters is preferred over each driver creating their
52 .. list-table:: List of generic parameters
Dnetdevsim.rst13 .. list-table:: Generic parameters implemented
21 parameters.
23 .. list-table:: Driver-specific parameters implemented
70 Rate nodes and it's parameters are exposed in ``netdevsim`` debugfs in RO mode.
78 Same parameters are exposed for leaf objects in corresponding ports directories.
/Linux-v5.15/Documentation/ABI/testing/
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-v5.15/drivers/acpi/acpica/
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-v5.15/fs/pstore/
DKconfig213 NOTE that, both Kconfig and module parameters can configure
214 pstore/blk, but module parameters have priority over Kconfig.
224 NOTE that, both Kconfig and module parameters can configure
225 pstore/blk, but module parameters have priority over Kconfig.
236 NOTE that, both Kconfig and module parameters can configure
237 pstore/blk, but module parameters have priority over Kconfig.
248 NOTE that, both Kconfig and module parameters can configure
249 pstore/blk, but module parameters have priority over Kconfig.
260 NOTE that, both Kconfig and module parameters can configure
261 pstore/blk, but module parameters have priority over Kconfig.
[all …]
/Linux-v5.15/Documentation/ABI/stable/
Dsysfs-module15 /sys/module/MODULENAME/parameters
17 individual parameters of the module that are able to be
19 documentation as to the contents of these parameters and
26 stability of the different parameters.
/Linux-v5.15/Documentation/networking/
Dnetconsole.rst61 parameters for the multiple agents separated by semicolons and the
98 parameters reconfigured at runtime from a configfs-based userspace interface.
99 [ Note that the parameters of netconsole targets that were specified/created
116 "1" to the "enabled" attribute (usually after setting parameters accordingly)
123 The interface exposes these parameters of a netconsole target to userspace:
137 The "enabled" attribute is also used to control whether the parameters of
138 a target can be updated or not -- you can modify the parameters of only
141 To update a target's parameters::
147 echo cb:a9:87:65:43:21 > remote_mac # update more parameters
197 from the config parameters passed to netconsole.
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