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Commit 54a4c789 authored by Linus Torvalds's avatar Linus Torvalds
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Merge tag 'docs/v5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media 

Pull documentation updates from Mauro Carvalho Chehab:
 "A series of patches addressing warnings produced by make htmldocs.
  This includes:

   - kernel-doc markup fixes

   - ReST fixes

   - Updates at the build system in order to support newer versions of
     the docs build toolchain (Sphinx)

  After this series, the number of html build warnings should reduce
  significantly, and building with Sphinx 3.1 or later should now be
  supported (although it is still recommended to use Sphinx 2.4.4).

  As agreed with Jon, I should be sending you a late pull request by the
  end of the merge window addressing remaining issues with docs build,
  as there are a number of warning fixes that depends on pull requests
  that should be happening along the merge window.

  The end goal is to have a clean htmldocs build on Kernel 5.10.

  PS. It should be noticed that Sphinx 3.0 is not currently supported,
  as it lacks support for C domain namespaces. Such feature, needed in
  order to document uAPI system calls with Sphinx 3.x, was added only on
  Sphinx 3.1"

* tag 'docs/v5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (75 commits)
  PM / devfreq: remove a duplicated kernel-doc markup
  mm/doc: fix a literal block markup
  workqueue: fix a kernel-doc warning
  docs: virt: user_mode_linux_howto_v2.rst: fix a literal block markup
  Input: sparse-keymap: add a description for @sw
  rcu/tree: docs: document bkvcache new members at struct kfree_rcu_cpu
  nl80211: docs: add a description for s1g_cap parameter
  usb: docs: document altmode register/unregister functions
  kunit: test.h: fix a bad kernel-doc markup
  drivers: core: fix kernel-doc markup for dev_err_probe()
  docs: bio: fix a kerneldoc markup
  kunit: test.h: solve kernel-doc warnings
  block: bio: fix a warning at the kernel-doc markups
  docs: powerpc: syscall64-abi.rst: fix a malformed table
  drivers: net: hamradio: fix document location
  net: appletalk: Kconfig: Fix docs location
  dt-bindings: fix references to files converted to yaml
  memblock: get rid of a :c:type leftover
  math64.h: kernel-docs: Convert some markups into normal comments
  media: uAPI: buffer.rst: remove a left-over documentation
  ...
parents 93f3d8f5 3e2ac979
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Documentation/admin-guide/pm/cpufreq.rst
View file @ 54a4c789
.. SPDX-License-Identifier: GPL-2.0
.. include:: <isonum.txt>
.. |struct cpufreq_policy| replace:: :c:type:`struct cpufreq_policy <cpufreq_policy>`
.. |intel_pstate| replace:: :doc:`intel_pstate <intel_pstate>`
=======================
......@@ -92,16 +91,16 @@ control the P-state of multiple CPUs at the same time and writing to it affects
all of those CPUs simultaneously.
Sets of CPUs sharing hardware P-state control interfaces are represented by
``CPUFreq`` as |struct cpufreq_policy| objects. For consistency,
|struct cpufreq_policy| is also used when there is only one CPU in the given
``CPUFreq`` as struct cpufreq_policy objects. For consistency,
struct cpufreq_policy is also used when there is only one CPU in the given
set.
The ``CPUFreq`` core maintains a pointer to a |struct cpufreq_policy| object for
The ``CPUFreq`` core maintains a pointer to a struct cpufreq_policy object for
every CPU in the system, including CPUs that are currently offline. If multiple
CPUs share the same hardware P-state control interface, all of the pointers
corresponding to them point to the same |struct cpufreq_policy| object.
corresponding to them point to the same struct cpufreq_policy object.
``CPUFreq`` uses |struct cpufreq_policy| as its basic data type and the design
``CPUFreq`` uses struct cpufreq_policy as its basic data type and the design
of its user space interface is based on the policy concept.
......
Documentation/admin-guide/pstore-blk.rst
View file @ 54a4c789
......@@ -154,17 +154,11 @@ Configurations for driver
Only a block device driver cares about these configurations. A block device
driver uses ``register_pstore_blk`` to register to pstore/blk.
.. kernel-doc:: fs/pstore/blk.c
:identifiers: register_pstore_blk
A non-block device driver uses ``register_pstore_device`` with
``struct pstore_device_info`` to register to pstore/blk.
.. kernel-doc:: fs/pstore/blk.c
:identifiers: register_pstore_device
.. kernel-doc:: include/linux/pstore_blk.h
:identifiers: pstore_device_info
:export:
Compression and header
----------------------
......@@ -237,7 +231,7 @@ For developer reference, here are all the important structures and APIs:
:internal:
.. kernel-doc:: fs/pstore/blk.c
:export:
:internal:
.. kernel-doc:: include/linux/pstore_blk.h
:internal:
Documentation/block/blk-mq.rst
View file @ 54a4c789
......@@ -63,10 +63,10 @@ Software staging queues
~~~~~~~~~~~~~~~~~~~~~~~
The block IO subsystem adds requests in the software staging queues
(represented by struct :c:type:`blk_mq_ctx`) in case that they weren't sent
(represented by struct blk_mq_ctx) in case that they weren't sent
directly to the driver. A request is one or more BIOs. They arrived at the
block layer through the data structure struct :c:type:`bio`. The block layer
will then build a new structure from it, the struct :c:type:`request` that will
block layer through the data structure struct bio. The block layer
will then build a new structure from it, the struct request that will
be used to communicate with the device driver. Each queue has its own lock and
the number of queues is defined by a per-CPU or per-node basis.
......@@ -102,7 +102,7 @@ hardware queue will be drained in sequence according to their mapping.
Hardware dispatch queues
~~~~~~~~~~~~~~~~~~~~~~~~
The hardware queue (represented by struct :c:type:`blk_mq_hw_ctx`) is a struct
The hardware queue (represented by struct blk_mq_hw_ctx) is a struct
used by device drivers to map the device submission queues (or device DMA ring
buffer), and are the last step of the block layer submission code before the
low level device driver taking ownership of the request. To run this queue, the
......@@ -110,9 +110,9 @@ block layer removes requests from the associated software queues and tries to
dispatch to the hardware.
If it's not possible to send the requests directly to hardware, they will be
added to a linked list (:c:type:`hctx->dispatch`) of requests. Then,
added to a linked list (``hctx->dispatch``) of requests. Then,
next time the block layer runs a queue, it will send the requests laying at the
:c:type:`dispatch` list first, to ensure a fairness dispatch with those
``dispatch`` list first, to ensure a fairness dispatch with those
requests that were ready to be sent first. The number of hardware queues
depends on the number of hardware contexts supported by the hardware and its
device driver, but it will not be more than the number of cores of the system.
......
Documentation/block/inline-encryption.rst
View file @ 54a4c789
......@@ -52,7 +52,7 @@ Constraints and notes
Design
======
We add a :c:type:`struct bio_crypt_ctx` to :c:type:`struct bio` that can
We add a struct bio_crypt_ctx to struct bio that can
represent an encryption context, because we need to be able to pass this
encryption context from the upper layers (like the fs layer) to the
device driver to act upon.
......@@ -85,7 +85,7 @@ blk-mq changes, other block layer changes and blk-crypto-fallback
=================================================================
We add a pointer to a ``bi_crypt_context`` and ``keyslot`` to
:c:type:`struct request`. These will be referred to as the ``crypto fields``
struct request. These will be referred to as the ``crypto fields``
for the request. This ``keyslot`` is the keyslot into which the
``bi_crypt_context`` has been programmed in the KSM of the ``request_queue``
that this request is being sent to.
......@@ -118,7 +118,7 @@ of the algorithm being used adheres to spec and functions correctly).
If a ``request queue``'s inline encryption hardware claimed to support the
encryption context specified with a bio, then it will not be handled by the
``blk-crypto-fallback``. We will eventually reach a point in blk-mq when a
:c:type:`struct request` needs to be allocated for that bio. At that point,
struct request needs to be allocated for that bio. At that point,
blk-mq tries to program the encryption context into the ``request_queue``'s
keyslot_manager, and obtain a keyslot, which it stores in its newly added
``keyslot`` field. This keyslot is released when the request is completed.
......@@ -188,7 +188,7 @@ keyslots supported by the hardware.
The device driver also needs to tell the KSM how to actually manipulate the
IE hardware in the device to do things like programming the crypto key into
the IE hardware into a particular keyslot. All this is achieved through the
:c:type:`struct blk_ksm_ll_ops` field in the KSM that the device driver
struct blk_ksm_ll_ops field in the KSM that the device driver
must fill up after initing the ``blk_keyslot_manager``.
The KSM also handles runtime power management for the device when applicable
......
Documentation/conf.py
View file @ 54a4c789
......@@ -47,9 +47,68 @@ extensions = ['kerneldoc', 'rstFlatTable', 'kernel_include',
#
if major >= 3:
sys.stderr.write('''WARNING: The kernel documentation build process
does not work correctly with Sphinx v3.0 and above. Expect errors
in the generated output.
''')
support for Sphinx v3.0 and above is brand new. Be prepared for
possible issues in the generated output.
''')
if minor > 0 or patch >= 2:
# Sphinx c function parser is more pedantic with regards to type
# checking. Due to that, having macros at c:function cause problems.
# Those needed to be scaped by using c_id_attributes[] array
c_id_attributes = [
# GCC Compiler types not parsed by Sphinx:
"__restrict__",
# include/linux/compiler_types.h:
"__iomem",
"__kernel",
"noinstr",
"notrace",
"__percpu",
"__rcu",
"__user",
# include/linux/compiler_attributes.h:
"__alias",
"__aligned",
"__aligned_largest",
"__always_inline",
"__assume_aligned",
"__cold",
"__attribute_const__",
"__copy",
"__pure",
"__designated_init",
"__visible",
"__printf",
"__scanf",
"__gnu_inline",
"__malloc",
"__mode",
"__no_caller_saved_registers",
"__noclone",
"__nonstring",
"__noreturn",
"__packed",
"__pure",
"__section",
"__always_unused",
"__maybe_unused",
"__used",
"__weak",
"noinline",
# include/linux/memblock.h:
"__init_memblock",
"__meminit",
# include/linux/init.h:
"__init",
"__ref",
# include/linux/linkage.h:
"asmlinkage",
]
else:
extensions.append('cdomain')
......
Documentation/core-api/genericirq.rst
View file @ 54a4c789
......@@ -419,6 +419,7 @@ functions which are exported.
.. kernel-doc:: kernel/irq/manage.c
.. kernel-doc:: kernel/irq/chip.c
:export:
Internal Functions Provided
===========================
......@@ -431,6 +432,7 @@ functions.
.. kernel-doc:: kernel/irq/handle.c
.. kernel-doc:: kernel/irq/chip.c
:internal:
Credits
=======
......
Documentation/core-api/kernel-api.rst
View file @ 54a4c789
......@@ -231,12 +231,6 @@ Refer to the file kernel/module.c for more information.
Hardware Interfaces
===================
Interrupt Handling
------------------
.. kernel-doc:: kernel/irq/manage.c
:export:
DMA Channels
------------
......
Documentation/core-api/workqueue.rst
View file @ 54a4c789
......@@ -396,3 +396,5 @@ Kernel Inline Documentations Reference
======================================
.. kernel-doc:: include/linux/workqueue.h
.. kernel-doc:: kernel/workqueue.c
Documentation/dev-tools/kgdb.rst
View file @ 54a4c789
......@@ -726,7 +726,7 @@ The kernel debugger is organized into a number of components:
- contains an arch-specific trap catcher which invokes
kgdb_handle_exception() to start kgdb about doing its work
- translation to and from gdb specific packet format to :c:type:`pt_regs`
- translation to and from gdb specific packet format to struct pt_regs
- Registration and unregistration of architecture specific trap
hooks
......@@ -846,7 +846,7 @@ invokes a callback in the serial core which in turn uses the callback in
the UART driver.
When using kgdboc with a UART, the UART driver must implement two
callbacks in the :c:type:`struct uart_ops <uart_ops>`.
callbacks in the struct uart_ops.
Example from ``drivers/8250.c``::
......@@ -875,7 +875,7 @@ kernel when ``CONFIG_KDB_KEYBOARD=y`` is set in the kernel configuration.
The core polled keyboard driver for PS/2 type keyboards is in
``drivers/char/kdb_keyboard.c``. This driver is hooked into the debug core
when kgdboc populates the callback in the array called
:c:type:`kdb_poll_funcs[]`. The kdb_get_kbd_char() is the top-level
:c:expr:`kdb_poll_funcs[]`. The kdb_get_kbd_char() is the top-level
function which polls hardware for single character input.
kgdboc and kms
......
Documentation/devicetree/bindings/display/tilcdc/tilcdc.txt
View file @ 54a4c789
......@@ -37,7 +37,7 @@ Optional nodes:
supports a single port with a single endpoint.
- See also Documentation/devicetree/bindings/display/tilcdc/panel.txt and
Documentation/devicetree/bindings/display/bridge/ti,tfp410.txt for connecting
Documentation/devicetree/bindings/display/bridge/ti,tfp410.yaml for connecting
tfp410 DVI encoder or lcd panel to lcdc
[1] There is an errata about AM335x color wiring. For 16-bit color mode
......
Documentation/devicetree/bindings/mailbox/omap-mailbox.txt
View file @ 54a4c789
......@@ -69,7 +69,7 @@ The following are mandatory properties for the K3 AM65x and J721E SoCs only:
the interrupt routes between the IP and the main GIC
controllers. See the following binding for additional
details,
Documentation/devicetree/bindings/interrupt-controller/ti,sci-intr.txt
Documentation/devicetree/bindings/interrupt-controller/ti,sci-intr.yaml
Child Nodes:
============
......
Documentation/devicetree/bindings/media/i2c/tvp5150.txt
View file @ 54a4c789
......@@ -56,7 +56,7 @@ Optional Connector Properties:
instead of using the autodetection mechnism. Please look at
[1] for more information.
[1] Documentation/devicetree/bindings/display/connector/analog-tv-connector.txt.
[1] Documentation/devicetree/bindings/display/connector/analog-tv-connector.yaml.
Example - three input sources:
#include <dt-bindings/display/sdtv-standards.h>
......
Documentation/devicetree/bindings/pwm/google,cros-ec-pwm.yaml
View file @ 54a4c789
......@@ -14,7 +14,7 @@ description: |
Google's ChromeOS EC PWM is a simple PWM attached to the Embedded Controller
(EC) and controlled via a host-command interface.
An EC PWM node should be only found as a sub-node of the EC node (see
Documentation/devicetree/bindings/mfd/cros-ec.txt).
Documentation/devicetree/bindings/mfd/google,cros-ec.yaml).
properties:
compatible:
......
Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm.yaml
View file @ 54a4c789
......@@ -20,7 +20,7 @@ description: |
present and this subnode may contain children that designate regulator
resources.
Refer to Documentation/devicetree/bindings/regulator/qcom,smd-rpm-regulator.txt
Refer to Documentation/devicetree/bindings/regulator/qcom,smd-rpm-regulator.yaml
for information on the regulator subnodes that can exist under the
rpm_requests.
......
Documentation/devicetree/bindings/sound/google,cros-ec-codec.yaml
View file @ 54a4c789
......@@ -13,7 +13,7 @@ description: |
Google's ChromeOS EC codec is a digital mic codec provided by the
Embedded Controller (EC) and is controlled via a host-command interface.
An EC codec node should only be found as a sub-node of the EC node (see
Documentation/devicetree/bindings/mfd/cros-ec.txt).
Documentation/devicetree/bindings/mfd/google,cros-ec.yaml).
properties:
compatible:
......
Documentation/doc-guide/kernel-doc.rst
View file @ 54a4c789
......@@ -490,6 +490,14 @@ identifiers: *[ function/type ...]*
.. kernel-doc:: lib/idr.c
:identifiers:
no-identifiers: *[ function/type ...]*
Exclude documentation for each *function* and *type* in *source*.
Example::
.. kernel-doc:: lib/bitmap.c
:no-identifiers: bitmap_parselist
functions: *[ function/type ...]*
This is an alias of the 'identifiers' directive and deprecated.
......
Documentation/driver-api/basics.rst
View file @ 54a4c789
......@@ -12,6 +12,8 @@ Driver device table
.. kernel-doc:: include/linux/mod_devicetable.h
:internal:
:no-identifiers: pci_device_id
Delaying, scheduling, and timer routines
----------------------------------------
......@@ -55,15 +57,6 @@ High-resolution timers
.. kernel-doc:: kernel/time/hrtimer.c
:export:
Workqueues and Kevents
----------------------
.. kernel-doc:: include/linux/workqueue.h
:internal:
.. kernel-doc:: kernel/workqueue.c
:export:
Internal Functions
------------------
......@@ -105,19 +98,15 @@ Kernel utility functions
.. kernel-doc:: include/linux/kernel.h
:internal:
:no-identifiers: kstrtol kstrtoul
.. kernel-doc:: kernel/printk/printk.c
:export:
:no-identifiers: printk
.. kernel-doc:: kernel/panic.c
:export:
.. kernel-doc:: kernel/rcu/tree.c
:export:
.. kernel-doc:: kernel/rcu/update.c
:export:
.. kernel-doc:: include/linux/overflow.h
:internal:
......
Documentation/driver-api/device_link.rst
View file @ 54a4c789
.. |struct dev_pm_domain| replace:: :c:type:`struct dev_pm_domain <dev_pm_domain>`
.. |struct generic_pm_domain| replace:: :c:type:`struct generic_pm_domain <generic_pm_domain>`
.. _device_link:
============
......@@ -166,7 +162,7 @@ Examples
is the same as if the MMU was the parent of the master device.
The fact that both devices share the same power domain would normally
suggest usage of a |struct dev_pm_domain| or |struct generic_pm_domain|,
suggest usage of a struct dev_pm_domain or struct generic_pm_domain,
however these are not independent devices that happen to share a power
switch, but rather the MMU device serves the busmaster device and is
useless without it. A device link creates a synthetic hierarchical
......@@ -202,7 +198,7 @@ Examples
Alternatives
============
* A |struct dev_pm_domain| can be used to override the bus,
* A struct dev_pm_domain can be used to override the bus,
class or device type callbacks. It is intended for devices sharing
a single on/off switch, however it does not guarantee a specific
suspend/resume ordering, this needs to be implemented separately.
......@@ -211,7 +207,7 @@ Alternatives
suspended. Furthermore it cannot be used to enforce a specific shutdown
ordering or a driver presence dependency.
* A |struct generic_pm_domain| is a lot more heavyweight than a
* A struct generic_pm_domain is a lot more heavyweight than a
device link and does not allow for shutdown ordering or driver presence
dependencies. It also cannot be used on ACPI systems.
......@@ -321,5 +317,4 @@ State machine
API
===
.. kernel-doc:: drivers/base/core.c
:functions: device_link_add device_link_del device_link_remove
See device_link_add(), device_link_del() and device_link_remove().
Documentation/driver-api/fpga/fpga-bridge.rst
View file @ 54a4c789
......@@ -4,8 +4,8 @@ FPGA Bridge
API to implement a new FPGA bridge
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
* struct :c:type:`fpga_bridge` — The FPGA Bridge structure
* struct :c:type:`fpga_bridge_ops` — Low level Bridge driver ops
* struct fpga_bridge — The FPGA Bridge structure
* struct fpga_bridge_ops — Low level Bridge driver ops
* devm_fpga_bridge_create() — Allocate and init a bridge struct
* fpga_bridge_register() — Register a bridge
* fpga_bridge_unregister() — Unregister a bridge
......
Documentation/driver-api/fpga/fpga-mgr.rst
View file @ 54a4c789
......@@ -101,9 +101,9 @@ in state.
API for implementing a new FPGA Manager driver
----------------------------------------------
* ``fpga_mgr_states`` — Values for :c:member:`fpga_manager->state`.
* struct :c:type:`fpga_manager` — the FPGA manager struct
* struct :c:type:`fpga_manager_ops` — Low level FPGA manager driver ops
* ``fpga_mgr_states`` — Values for :c:expr:`fpga_manager->state`.
* struct fpga_manager — the FPGA manager struct
* struct fpga_manager_ops — Low level FPGA manager driver ops
* devm_fpga_mgr_create() — Allocate and init a manager struct
* fpga_mgr_register() — Register an FPGA manager
* fpga_mgr_unregister() — Unregister an FPGA manager
......
Documentation/driver-api/fpga/fpga-programming.rst
View file @ 54a4c789
......@@ -15,7 +15,7 @@ the FPGA manager and bridges. It will:
* lock the mutex of the region's FPGA manager
* build a list of FPGA bridges if a method has been specified to do so
* disable the bridges
* program the FPGA using info passed in :c:member:`fpga_region->info`.
* program the FPGA using info passed in :c:expr:`fpga_region->info`.
* re-enable the bridges
* release the locks
......
Documentation/driver-api/fpga/fpga-region.rst
View file @ 54a4c789
......@@ -45,7 +45,7 @@ An example of usage can be seen in the probe function of [#f2]_.
API to add a new FPGA region
----------------------------
* struct :c:type:`fpga_region` — The FPGA region struct
* struct fpga_region — The FPGA region struct
* devm_fpga_region_create() — Allocate and init a region struct
* fpga_region_register() — Register an FPGA region
* fpga_region_unregister() — Unregister an FPGA region
......@@ -61,9 +61,9 @@ during the region's probe function.
The FPGA region will need to specify which bridges to control while programming
the FPGA. The region driver can build a list of bridges during probe time
(:c:member:`fpga_region->bridge_list`) or it can have a function that creates
(:c:expr:`fpga_region->bridge_list`) or it can have a function that creates
the list of bridges to program just before programming
(:c:member:`fpga_region->get_bridges`). The FPGA bridge framework supplies the
(:c:expr:`fpga_region->get_bridges`). The FPGA bridge framework supplies the
following APIs to handle building or tearing down that list.
* fpga_bridge_get_to_list() — Get a ref of an FPGA bridge, add it to a
......
Documentation/driver-api/iio/buffers.rst
View file @ 54a4c789
......@@ -2,7 +2,7 @@
Buffers
=======
* struct :c:type:`iio_buffer` — general buffer structure
* struct iio_buffer — general buffer structure
* :c:func:`iio_validate_scan_mask_onehot` — Validates that exactly one channel
is selected
* :c:func:`iio_buffer_get` — Grab a reference to the buffer
......
Documentation/driver-api/iio/core.rst
View file @ 54a4c789
......@@ -10,7 +10,7 @@ applications manipulating sensors. The implementation can be found under
Industrial I/O Devices
----------------------
* struct :c:type:`iio_dev` - industrial I/O device
* struct iio_dev - industrial I/O device
* iio_device_alloc() - allocate an :c:type:`iio_dev` from a driver
* iio_device_free() - free an :c:type:`iio_dev` from a driver
* iio_device_register() - register a device with the IIO subsystem
......@@ -66,7 +66,7 @@ Common attributes are:
IIO device channels
===================
struct :c:type:`iio_chan_spec` - specification of a single channel
struct iio_chan_spec - specification of a single channel
An IIO device channel is a representation of a data channel. An IIO device can
have one or multiple channels. For example:
......@@ -77,7 +77,7 @@ have one or multiple channels. For example:
* an accelerometer can have up to 3 channels representing acceleration on X, Y
and Z axes.
An IIO channel is described by the struct :c:type:`iio_chan_spec`.
An IIO channel is described by the struct iio_chan_spec.
A thermometer driver for the temperature sensor in the example above would
have to describe its channel as follows::
......
Documentation/driver-api/iio/hw-consumer.rst
View file @ 54a4c789
......@@ -8,7 +8,7 @@ software buffer for data. The implementation can be found under
:file:`drivers/iio/buffer/hw-consumer.c`
* struct :c:type:`iio_hw_consumer` — Hardware consumer structure
* struct iio_hw_consumer — Hardware consumer structure
* :c:func:`iio_hw_consumer_alloc` — Allocate IIO hardware consumer
* :c:func:`iio_hw_consumer_free` — Free IIO hardware consumer
* :c:func:`iio_hw_consumer_enable` — Enable IIO hardware consumer
......
Documentation/driver-api/iio/triggered-buffers.rst
View file @ 54a4c789
......@@ -10,7 +10,7 @@ IIO triggered buffer setup
* :c:func:`iio_triggered_buffer_setup` — Setup triggered buffer and pollfunc
* :c:func:`iio_triggered_buffer_cleanup` — Free resources allocated by
:c:func:`iio_triggered_buffer_setup`
* struct :c:type:`iio_buffer_setup_ops` — buffer setup related callbacks
* struct iio_buffer_setup_ops — buffer setup related callbacks
A typical triggered buffer setup looks like this::
......
Documentation/driver-api/iio/triggers.rst
View file @ 54a4c789
......@@ -2,7 +2,7 @@
Triggers
========
* struct :c:type:`iio_trigger` — industrial I/O trigger device
* struct iio_trigger — industrial I/O trigger device
* :c:func:`devm_iio_trigger_alloc` — Resource-managed iio_trigger_alloc
* :c:func:`devm_iio_trigger_register` — Resource-managed iio_trigger_register
iio_trigger_unregister
......@@ -63,7 +63,7 @@ Let's see a simple example of how to setup a trigger to be used by a driver::
IIO trigger ops
===============
* struct :c:type:`iio_trigger_ops` — operations structure for an iio_trigger.
* struct iio_trigger_ops — operations structure for an iio_trigger.
Notice that a trigger has a set of operations attached:
......
Documentation/driver-api/index.rst
View file @ 54a4c789
......@@ -27,7 +27,6 @@ available subsections can be seen below.
component
message-based
infiniband
sound
frame-buffer
regulator
iio/index
......
Documentation/driver-api/infrastructure.rst
View file @ 54a4c789
......@@ -6,6 +6,7 @@ The Basic Device Driver-Model Structures
.. kernel-doc:: include/linux/device.h
:internal:
:no-identifiers: device_link_state
Device Drivers Base
-------------------
......@@ -28,9 +29,6 @@ Device Drivers Base
.. kernel-doc:: drivers/base/node.c
:internal:
.. kernel-doc:: drivers/base/firmware_loader/main.c
:export:
.. kernel-doc:: drivers/base/transport_class.c
:export:
......
Documentation/driver-api/libata.rst
View file @ 54a4c789
......@@ -508,7 +508,7 @@ also complete commands.
2. ATA_QCFLAG_ACTIVE is cleared from qc->flags.
3. :c:func:`qc->complete_fn` callback is invoked. If the return value of the
3. :c:expr:`qc->complete_fn` callback is invoked. If the return value of the
callback is not zero. Completion is short circuited and
:c:func:`ata_qc_complete` returns.
......
Documentation/driver-api/media/cec-core.rst
View file @ 54a4c789
......@@ -98,7 +98,7 @@ Implementing the Low-Level CEC Adapter
The following low-level adapter operations have to be implemented in
your driver:
.. c:type:: struct cec_adap_ops
.. c:struct:: cec_adap_ops
.. code-block:: none
......
Documentation/driver-api/media/dtv-frontend.rst
View file @ 54a4c789
......@@ -125,7 +125,7 @@ responsible for tuning the device. It supports multiple algorithms to
detect a channel, as defined at enum :c:func:`dvbfe_algo`.
The algorithm to be used is obtained via ``.get_frontend_algo``. If the driver
doesn't fill its field at struct :c:type:`dvb_frontend_ops`, it will default to
doesn't fill its field at struct dvb_frontend_ops, it will default to
``DVBFE_ALGO_SW``, meaning that the dvb-core will do a zigzag when tuning,
e. g. it will try first to use the specified center frequency ``f``,
then, it will do ``f`` + |delta|, ``f`` - |delta|, ``f`` + 2 x |delta|,
......@@ -140,7 +140,7 @@ define a ``.get_frontend_algo`` function that would return ``DVBFE_ALGO_HW``.
a third type (``DVBFE_ALGO_CUSTOM``), in order to allow the driver to
define its own hardware-assisted algorithm. Very few hardware need to
use it nowadays. Using ``DVBFE_ALGO_CUSTOM`` require to provide other
function callbacks at struct :c:type:`dvb_frontend_ops`.
function callbacks at struct dvb_frontend_ops.
Attaching frontend driver to the bridge driver
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
......
Documentation/driver-api/media/mc-core.rst
View file @ 54a4c789
......@@ -36,7 +36,7 @@ pad to a sink pad.
Media device
^^^^^^^^^^^^
A media device is represented by a struct :c:type:`media_device`
A media device is represented by a struct media_device
instance, defined in ``include/media/media-device.h``.
Allocation of the structure is handled by the media device driver, usually by
embedding the :c:type:`media_device` instance in a larger driver-specific
......@@ -49,7 +49,7 @@ and unregistered by calling :c:func:`media_device_unregister()`.
Entities
^^^^^^^^
Entities are represented by a struct :c:type:`media_entity`
Entities are represented by a struct media_entity
instance, defined in ``include/media/media-entity.h``. The structure is usually
embedded into a higher-level structure, such as
:c:type:`v4l2_subdev` or :c:type:`video_device`
......@@ -67,10 +67,10 @@ Interfaces
^^^^^^^^^^
Interfaces are represented by a
struct :c:type:`media_interface` instance, defined in
struct media_interface instance, defined in
``include/media/media-entity.h``. Currently, only one type of interface is
defined: a device node. Such interfaces are represented by a
struct :c:type:`media_intf_devnode`.
struct media_intf_devnode.
Drivers initialize and create device node interfaces by calling
:c:func:`media_devnode_create()`
......@@ -79,7 +79,7 @@ and remove them by calling:
Pads
^^^^
Pads are represented by a struct :c:type:`media_pad` instance,
Pads are represented by a struct media_pad instance,
defined in ``include/media/media-entity.h``. Each entity stores its pads in
a pads array managed by the entity driver. Drivers usually embed the array in
a driver-specific structure.
......@@ -87,8 +87,8 @@ a driver-specific structure.
Pads are identified by their entity and their 0-based index in the pads
array.
Both information are stored in the struct :c:type:`media_pad`,
making the struct :c:type:`media_pad` pointer the canonical way
Both information are stored in the struct media_pad,
making the struct media_pad pointer the canonical way
to store and pass link references.
Pads have flags that describe the pad capabilities and state.
......@@ -104,7 +104,7 @@ Pads have flags that describe the pad capabilities and state.
Links
^^^^^
Links are represented by a struct :c:type:`media_link` instance,
Links are represented by a struct media_link instance,
defined in ``include/media/media-entity.h``. There are two types of links:
**1. pad to pad links**:
......@@ -187,7 +187,7 @@ Use count and power handling
Due to the wide differences between drivers regarding power management
needs, the media controller does not implement power management. However,
the struct :c:type:`media_entity` includes a ``use_count``
the struct media_entity includes a ``use_count``
field that media drivers
can use to track the number of users of every entity for power management
needs.
......@@ -213,11 +213,11 @@ prevent link states from being modified during streaming by calling
The function will mark all entities connected to the given entity through
enabled links, either directly or indirectly, as streaming.
The struct :c:type:`media_pipeline` instance pointed to by
The struct media_pipeline instance pointed to by
the pipe argument will be stored in every entity in the pipeline.
Drivers should embed the struct :c:type:`media_pipeline`
Drivers should embed the struct media_pipeline
in higher-level pipeline structures and can then access the
pipeline through the struct :c:type:`media_entity`
pipeline through the struct media_entity
pipe field.
Calls to :c:func:`media_pipeline_start()` can be nested.
......
Documentation/driver-api/media/v4l2-controls.rst
View file @ 54a4c789
......@@ -27,7 +27,7 @@ V4L2 specification with respect to controls in a central place. And to make
life as easy as possible for the driver developer.
Note that the control framework relies on the presence of a struct
:c:type:`v4l2_device` for V4L2 drivers and struct :c:type:`v4l2_subdev` for
:c:type:`v4l2_device` for V4L2 drivers and struct v4l2_subdev for
sub-device drivers.
......
Documentation/driver-api/media/v4l2-dev.rst
View file @ 54a4c789
......@@ -67,7 +67,7 @@ You should also set these fields of :c:type:`video_device`:
file operation is called this lock will be taken by the core and released
afterwards. See the next section for more details.
- :c:type:`video_device`->queue: a pointer to the struct :c:type:`vb2_queue`
- :c:type:`video_device`->queue: a pointer to the struct vb2_queue
associated with this device node.
If queue is not ``NULL``, and queue->lock is not ``NULL``, then queue->lock
is used for the queuing ioctls (``VIDIOC_REQBUFS``, ``CREATE_BUFS``,
......@@ -81,7 +81,7 @@ You should also set these fields of :c:type:`video_device`:
- :c:type:`video_device`->prio: keeps track of the priorities. Used to
implement ``VIDIOC_G_PRIORITY`` and ``VIDIOC_S_PRIORITY``.
If left to ``NULL``, then it will use the struct :c:type:`v4l2_prio_state`
If left to ``NULL``, then it will use the struct v4l2_prio_state
in :c:type:`v4l2_device`. If you want to have a separate priority state per
(group of) device node(s), then you can point it to your own struct
:c:type:`v4l2_prio_state`.
......@@ -95,7 +95,7 @@ You should also set these fields of :c:type:`video_device`:
but it is used by both a raw video PCI device (cx8800) and a MPEG PCI device
(cx8802). Since the :c:type:`v4l2_device` cannot be associated with two PCI
devices at the same time it is setup without a parent device. But when the
struct :c:type:`video_device` is initialized you **do** know which parent
struct video_device is initialized you **do** know which parent
PCI device to use and so you set ``dev_device`` to the correct PCI device.
If you use :c:type:`v4l2_ioctl_ops`, then you should set
......@@ -138,7 +138,7 @@ ioctls and locking
------------------
The V4L core provides optional locking services. The main service is the
lock field in struct :c:type:`video_device`, which is a pointer to a mutex.
lock field in struct video_device, which is a pointer to a mutex.
If you set this pointer, then that will be used by unlocked_ioctl to
serialize all ioctls.
......
Documentation/driver-api/media/v4l2-device.rst
View file @ 54a4c789
......@@ -3,7 +3,7 @@
V4L2 device instance
--------------------
Each device instance is represented by a struct :c:type:`v4l2_device`.
Each device instance is represented by a struct v4l2_device.
Very simple devices can just allocate this struct, but most of the time you
would embed this struct inside a larger struct.
......@@ -18,9 +18,9 @@ dev->driver_data field is ``NULL``, it will be linked to
Drivers that want integration with the media device framework need to set
dev->driver_data manually to point to the driver-specific device structure
that embed the struct :c:type:`v4l2_device` instance. This is achieved by a
that embed the struct v4l2_device instance. This is achieved by a
``dev_set_drvdata()`` call before registering the V4L2 device instance.
They must also set the struct :c:type:`v4l2_device` mdev field to point to a
They must also set the struct v4l2_device mdev field to point to a
properly initialized and registered :c:type:`media_device` instance.
If :c:type:`v4l2_dev <v4l2_device>`\ ->name is empty then it will be set to a
......
Documentation/driver-api/media/v4l2-event.rst
View file @ 54a4c789
......@@ -44,18 +44,18 @@ such objects.
So to summarize:
- struct :c:type:`v4l2_fh` has two lists: one of the ``subscribed`` events,
- struct v4l2_fh has two lists: one of the ``subscribed`` events,
and one of the ``available`` events.
- struct :c:type:`v4l2_subscribed_event` has a ringbuffer of raised
- struct v4l2_subscribed_event has a ringbuffer of raised
(pending) events of that particular type.
- If struct :c:type:`v4l2_subscribed_event` is associated with a specific
- If struct v4l2_subscribed_event is associated with a specific
object, then that object will have an internal list of
struct :c:type:`v4l2_subscribed_event` so it knows who subscribed an
struct v4l2_subscribed_event so it knows who subscribed an
event to that object.
Furthermore, the internal struct :c:type:`v4l2_subscribed_event` has
Furthermore, the internal struct v4l2_subscribed_event has
``merge()`` and ``replace()`` callbacks which drivers can set. These
callbacks are called when a new event is raised and there is no more room.
......
Documentation/driver-api/media/v4l2-fh.rst
View file @ 54a4c789
......@@ -3,11 +3,11 @@
V4L2 File handlers
------------------
struct :c:type:`v4l2_fh` provides a way to easily keep file handle specific
struct v4l2_fh provides a way to easily keep file handle specific
data that is used by the V4L2 framework.
.. attention::
New drivers must use struct :c:type:`v4l2_fh`
New drivers must use struct v4l2_fh
since it is also used to implement priority handling
(:ref:`VIDIOC_G_PRIORITY`).
......@@ -16,11 +16,11 @@ whether a driver uses :c:type:`v4l2_fh` as its ``file->private_data`` pointer
by testing the ``V4L2_FL_USES_V4L2_FH`` bit in :c:type:`video_device`->flags.
This bit is set whenever :c:func:`v4l2_fh_init` is called.
struct :c:type:`v4l2_fh` is allocated as a part of the driver's own file handle
struct v4l2_fh is allocated as a part of the driver's own file handle
structure and ``file->private_data`` is set to it in the driver's ``open()``
function by the driver.
In many cases the struct :c:type:`v4l2_fh` will be embedded in a larger
In many cases the struct v4l2_fh will be embedded in a larger
structure. In that case you should call:
#) :c:func:`v4l2_fh_init` and :c:func:`v4l2_fh_add` in ``open()``
......@@ -102,18 +102,18 @@ Below is a short description of the :c:type:`v4l2_fh` functions used:
memory can be freed.
If struct :c:type:`v4l2_fh` is not embedded, then you can use these helper functions:
If struct v4l2_fh is not embedded, then you can use these helper functions:
:c:func:`v4l2_fh_open <v4l2_fh_open>`
(struct file \*filp)
- This allocates a struct :c:type:`v4l2_fh`, initializes it and adds it to
the struct :c:type:`video_device` associated with the file struct.
- This allocates a struct v4l2_fh, initializes it and adds it to
the struct video_device associated with the file struct.
:c:func:`v4l2_fh_release <v4l2_fh_release>`
(struct file \*filp)
- This deletes it from the struct :c:type:`video_device` associated with the
- This deletes it from the struct video_device associated with the
file struct, uninitialised the :c:type:`v4l2_fh` and frees it.
These two functions can be plugged into the v4l2_file_operation's ``open()``
......
Documentation/driver-api/media/v4l2-subdev.rst
View file @ 54a4c789
......@@ -110,7 +110,7 @@ pads:
err = media_entity_pads_init(&sd->entity, npads, pads);
The pads array must have been previously initialized. There is no need to
manually set the struct :c:type:`media_entity` function and name fields, but the
manually set the struct media_entity function and name fields, but the
revision field must be initialized if needed.
A reference to the entity will be automatically acquired/released when the
......
Documentation/driver-api/mei/mei.rst
View file @ 54a4c789
......@@ -38,7 +38,7 @@ Because some of the Intel ME features can change the system
configuration, the driver by default allows only a privileged
user to access it.
The session is terminated calling :c:func:`close(int fd)`.
The session is terminated calling :c:expr:`close(fd)`.
A code snippet for an application communicating with Intel AMTHI client:
......
Documentation/driver-api/pm/cpuidle.rst
View file @ 54a4c789
This diff is collapsed.
Documentation/driver-api/pm/devices.rst
View file @ 54a4c789
.. SPDX-License-Identifier: GPL-2.0
.. include:: <isonum.txt>
.. |struct dev_pm_ops| replace:: :c:type:`struct dev_pm_ops <dev_pm_ops>`
.. |struct dev_pm_domain| replace:: :c:type:`struct dev_pm_domain <dev_pm_domain>`
.. |struct bus_type| replace:: :c:type:`struct bus_type <bus_type>`
.. |struct device_type| replace:: :c:type:`struct device_type <device_type>`
.. |struct class| replace:: :c:type:`struct class <class>`
.. |struct wakeup_source| replace:: :c:type:`struct wakeup_source <wakeup_source>`
.. |struct device| replace:: :c:type:`struct device <device>`
.. _driverapi_pm_devices:
==============================
......@@ -107,7 +99,7 @@ Device Power Management Operations
Device power management operations, at the subsystem level as well as at the
device driver level, are implemented by defining and populating objects of type
|struct dev_pm_ops| defined in :file:`include/linux/pm.h`. The roles of the
struct dev_pm_ops defined in :file:`include/linux/pm.h`. The roles of the
methods included in it will be explained in what follows. For now, it should be
sufficient to remember that the last three methods are specific to runtime power
management while the remaining ones are used during system-wide power
......@@ -115,7 +107,7 @@ transitions.
There also is a deprecated "old" or "legacy" interface for power management
operations available at least for some subsystems. This approach does not use
|struct dev_pm_ops| objects and it is suitable only for implementing system
struct dev_pm_ops objects and it is suitable only for implementing system
sleep power management methods in a limited way. Therefore it is not described
in this document, so please refer directly to the source code for more
information about it.
......@@ -125,9 +117,9 @@ Subsystem-Level Methods
-----------------------
The core methods to suspend and resume devices reside in
|struct dev_pm_ops| pointed to by the :c:member:`ops` member of
|struct dev_pm_domain|, or by the :c:member:`pm` member of |struct bus_type|,
|struct device_type| and |struct class|. They are mostly of interest to the
struct dev_pm_ops pointed to by the :c:member:`ops` member of
struct dev_pm_domain, or by the :c:member:`pm` member of struct bus_type,
struct device_type and struct class. They are mostly of interest to the
people writing infrastructure for platforms and buses, like PCI or USB, or
device type and device class drivers. They also are relevant to the writers of
device drivers whose subsystems (PM domains, device types, device classes and
......@@ -156,7 +148,7 @@ The :c:member:`power.can_wakeup` flag just records whether the device (and its
driver) can physically support wakeup events. The
:c:func:`device_set_wakeup_capable()` routine affects this flag. The
:c:member:`power.wakeup` field is a pointer to an object of type
|struct wakeup_source| used for controlling whether or not the device should use
struct wakeup_source used for controlling whether or not the device should use
its system wakeup mechanism and for notifying the PM core of system wakeup
events signaled by the device. This object is only present for wakeup-capable
devices (i.e. devices whose :c:member:`can_wakeup` flags are set) and is created
......@@ -418,7 +410,7 @@ On many platforms they will gate off one or more clock sources; sometimes they
will also switch off power supplies or reduce voltages. [Drivers supporting
runtime PM may already have performed some or all of these steps.]
If :c:func:`device_may_wakeup(dev)` returns ``true``, the device should be
If :c:func:`device_may_wakeup()` returns ``true``, the device should be
prepared for generating hardware wakeup signals to trigger a system wakeup event
when the system is in the sleep state. For example, :c:func:`enable_irq_wake()`
might identify GPIO signals hooked up to a switch or other external hardware,
......@@ -713,8 +705,8 @@ nested inside another power domain. The nested domain is referred to as the
sub-domain of the parent domain.
Support for power domains is provided through the :c:member:`pm_domain` field of
|struct device|. This field is a pointer to an object of type
|struct dev_pm_domain|, defined in :file:`include/linux/pm.h`, providing a set
struct device. This field is a pointer to an object of type
struct dev_pm_domain, defined in :file:`include/linux/pm.h`, providing a set
of power management callbacks analogous to the subsystem-level and device driver
callbacks that are executed for the given device during all power transitions,
instead of the respective subsystem-level callbacks. Specifically, if a
......
Documentation/driver-api/regulator.rst
View file @ 54a4c789
......@@ -116,7 +116,7 @@ core, providing operations structures to the core. A notifier interface
allows error conditions to be reported to the core.
Registration should be triggered by explicit setup done by the platform,
supplying a struct :c:type:`regulator_init_data` for the regulator
supplying a struct regulator_init_data for the regulator
containing constraint and supply information.
Machine interface
......@@ -144,7 +144,7 @@ a given system, for example supporting higher supply voltages than the
consumers are rated for.
This is done at driver registration time` by providing a
struct :c:type:`regulation_constraints`.
struct regulation_constraints.
The constraints may also specify an initial configuration for the
regulator in the constraints, which is particularly useful for use with
......
Documentation/driver-api/sound.rst deleted 100644 → 0
View file @ 93f3d8f5
Sound Devices
=============
.. kernel-doc:: include/sound/core.h
:internal:
.. kernel-doc:: sound/sound_core.c
:export:
.. kernel-doc:: include/sound/pcm.h
:internal:
.. kernel-doc:: sound/core/pcm.c
:export:
.. kernel-doc:: sound/core/device.c
:export:
.. kernel-doc:: sound/core/info.c
:export:
.. kernel-doc:: sound/core/rawmidi.c
:export:
.. kernel-doc:: sound/core/sound.c
:export:
.. kernel-doc:: sound/core/memory.c
:export:
.. kernel-doc:: sound/core/pcm_memory.c
:export:
.. kernel-doc:: sound/core/init.c
:export:
.. kernel-doc:: sound/core/isadma.c
:export:
.. kernel-doc:: sound/core/control.c
:export:
.. kernel-doc:: sound/core/pcm_lib.c
:export:
.. kernel-doc:: sound/core/hwdep.c
:export:
.. kernel-doc:: sound/core/pcm_native.c
:export:
.. kernel-doc:: sound/core/memalloc.c
:export:
Documentation/driver-api/target.rst
View file @ 54a4c789
......@@ -41,18 +41,6 @@ iSCSI boot information
.. kernel-doc:: drivers/scsi/iscsi_boot_sysfs.c
:export:
iSCSI transport class
=====================
The file drivers/scsi/scsi_transport_iscsi.c defines transport
attributes for the iSCSI class, which sends SCSI packets over TCP/IP
connections.
.. kernel-doc:: drivers/scsi/scsi_transport_iscsi.c
:export:
iSCSI TCP interfaces
====================
......
Documentation/driver-api/usb/URB.rst
View file @ 54a4c789
......@@ -47,7 +47,7 @@ called USB Request Block, or URB for short.
The URB structure
=================
Some of the fields in struct :c:type:`urb` are::
Some of the fields in struct urb are::
struct urb
{
......
Documentation/driver-api/usb/gadget.rst
View file @ 54a4c789
......@@ -176,9 +176,9 @@ Kernel Mode Gadget API
Gadget drivers declare themselves through a struct
:c:type:`usb_gadget_driver`, which is responsible for most parts of enumeration
for a struct :c:type:`usb_gadget`. The response to a set_configuration usually
involves enabling one or more of the struct :c:type:`usb_ep` objects exposed by
the gadget, and submitting one or more struct :c:type:`usb_request` buffers to
for a struct usb_gadget. The response to a set_configuration usually
involves enabling one or more of the struct usb_ep objects exposed by
the gadget, and submitting one or more struct usb_request buffers to
transfer data. Understand those four data types, and their operations,
and you will understand how this API works.
......@@ -339,8 +339,8 @@ multi-configuration devices (also more than one function, but not
necessarily sharing a given configuration). There is however an optional
framework which makes it easier to reuse and combine functions.
Devices using this framework provide a struct :c:type:`usb_composite_driver`,
which in turn provides one or more struct :c:type:`usb_configuration`
Devices using this framework provide a struct usb_composite_driver,
which in turn provides one or more struct usb_configuration
instances. Each such configuration includes at least one struct
:c:type:`usb_function`, which packages a user visible role such as "network
link" or "mass storage device". Management functions may also exist,
......
Documentation/driver-api/usb/hotplug.rst
View file @ 54a4c789
......@@ -122,7 +122,7 @@ and their quirks, might have a MODULE_DEVICE_TABLE like this::
Most USB device drivers should pass these tables to the USB subsystem as
well as to the module management subsystem. Not all, though: some driver
frameworks connect using interfaces layered over USB, and so they won't
need such a struct :c:type:`usb_driver`.
need such a struct usb_driver.
Drivers that connect directly to the USB subsystem should be declared
something like this::
......
Documentation/driver-api/usb/typec_bus.rst
View file @ 54a4c789
......@@ -91,10 +91,16 @@ their control.
Driver API
----------
Alternate mode structs
~~~~~~~~~~~~~~~~~~~~~~
.. kernel-doc:: include/linux/usb/typec_altmode.h
:functions: typec_altmode_driver typec_altmode_ops
Alternate mode driver registering/unregistering
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.. kernel-doc:: drivers/usb/typec/bus.c
.. kernel-doc:: include/linux/usb/typec_altmode.h
:functions: typec_altmode_register_driver typec_altmode_unregister_driver
Alternate mode driver operations
......
Documentation/filesystems/fscrypt.rst
View file @ 54a4c789
......@@ -436,9 +436,9 @@ FS_IOC_SET_ENCRYPTION_POLICY
The FS_IOC_SET_ENCRYPTION_POLICY ioctl sets an encryption policy on an
empty directory or verifies that a directory or regular file already
has the specified encryption policy. It takes in a pointer to a
:c:type:`struct fscrypt_policy_v1` or a :c:type:`struct
fscrypt_policy_v2`, defined as follows::
has the specified encryption policy. It takes in a pointer to
struct fscrypt_policy_v1 or struct fscrypt_policy_v2, defined as
follows::
#define FSCRYPT_POLICY_V1 0
#define FSCRYPT_KEY_DESCRIPTOR_SIZE 8
......@@ -464,11 +464,11 @@ fscrypt_policy_v2`, defined as follows::
This structure must be initialized as follows:
- ``version`` must be FSCRYPT_POLICY_V1 (0) if the struct is
:c:type:`fscrypt_policy_v1` or FSCRYPT_POLICY_V2 (2) if the struct
is :c:type:`fscrypt_policy_v2`. (Note: we refer to the original
policy version as "v1", though its version code is really 0.) For
new encrypted directories, use v2 policies.
- ``version`` must be FSCRYPT_POLICY_V1 (0) if
struct fscrypt_policy_v1 is used or FSCRYPT_POLICY_V2 (2) if
struct fscrypt_policy_v2 is used. (Note: we refer to the original
policy version as "v1", though its version code is really 0.)
For new encrypted directories, use v2 policies.
- ``contents_encryption_mode`` and ``filenames_encryption_mode`` must
be set to constants from ``<linux/fscrypt.h>`` which identify the
......@@ -508,9 +508,9 @@ This structure must be initialized as follows:
replaced with ``master_key_identifier``, which is longer and cannot
be arbitrarily chosen. Instead, the key must first be added using
`FS_IOC_ADD_ENCRYPTION_KEY`_. Then, the ``key_spec.u.identifier``
the kernel returned in the :c:type:`struct fscrypt_add_key_arg` must
be used as the ``master_key_identifier`` in the :c:type:`struct
fscrypt_policy_v2`.
the kernel returned in the struct fscrypt_add_key_arg must
be used as the ``master_key_identifier`` in
struct fscrypt_policy_v2.
If the file is not yet encrypted, then FS_IOC_SET_ENCRYPTION_POLICY
verifies that the file is an empty directory. If so, the specified
......@@ -590,7 +590,7 @@ FS_IOC_GET_ENCRYPTION_POLICY_EX
The FS_IOC_GET_ENCRYPTION_POLICY_EX ioctl retrieves the encryption
policy, if any, for a directory or regular file. No additional
permissions are required beyond the ability to open the file. It
takes in a pointer to a :c:type:`struct fscrypt_get_policy_ex_arg`,
takes in a pointer to struct fscrypt_get_policy_ex_arg,
defined as follows::
struct fscrypt_get_policy_ex_arg {
......@@ -637,9 +637,8 @@ The FS_IOC_GET_ENCRYPTION_POLICY ioctl can also retrieve the
encryption policy, if any, for a directory or regular file. However,
unlike `FS_IOC_GET_ENCRYPTION_POLICY_EX`_,
FS_IOC_GET_ENCRYPTION_POLICY only supports the original policy
version. It takes in a pointer directly to a :c:type:`struct
fscrypt_policy_v1` rather than a :c:type:`struct
fscrypt_get_policy_ex_arg`.
version. It takes in a pointer directly to struct fscrypt_policy_v1
rather than struct fscrypt_get_policy_ex_arg.
The error codes for FS_IOC_GET_ENCRYPTION_POLICY are the same as those
for FS_IOC_GET_ENCRYPTION_POLICY_EX, except that
......@@ -680,8 +679,7 @@ the filesystem, making all files on the filesystem which were
encrypted using that key appear "unlocked", i.e. in plaintext form.
It can be executed on any file or directory on the target filesystem,
but using the filesystem's root directory is recommended. It takes in
a pointer to a :c:type:`struct fscrypt_add_key_arg`, defined as
follows::
a pointer to struct fscrypt_add_key_arg, defined as follows::
struct fscrypt_add_key_arg {
struct fscrypt_key_specifier key_spec;
......@@ -710,17 +708,16 @@ follows::
__u8 raw[];
};
:c:type:`struct fscrypt_add_key_arg` must be zeroed, then initialized
struct fscrypt_add_key_arg must be zeroed, then initialized
as follows:
- If the key is being added for use by v1 encryption policies, then
``key_spec.type`` must contain FSCRYPT_KEY_SPEC_TYPE_DESCRIPTOR, and
``key_spec.u.descriptor`` must contain the descriptor of the key
being added, corresponding to the value in the
``master_key_descriptor`` field of :c:type:`struct
fscrypt_policy_v1`. To add this type of key, the calling process
must have the CAP_SYS_ADMIN capability in the initial user
namespace.
``master_key_descriptor`` field of struct fscrypt_policy_v1.
To add this type of key, the calling process must have the
CAP_SYS_ADMIN capability in the initial user namespace.
Alternatively, if the key is being added for use by v2 encryption
policies, then ``key_spec.type`` must contain
......@@ -737,12 +734,13 @@ as follows:
- ``key_id`` is 0 if the raw key is given directly in the ``raw``
field. Otherwise ``key_id`` is the ID of a Linux keyring key of
type "fscrypt-provisioning" whose payload is a :c:type:`struct
fscrypt_provisioning_key_payload` whose ``raw`` field contains the
raw key and whose ``type`` field matches ``key_spec.type``. Since
``raw`` is variable-length, the total size of this key's payload
must be ``sizeof(struct fscrypt_provisioning_key_payload)`` plus the
raw key size. The process must have Search permission on this key.
type "fscrypt-provisioning" whose payload is
struct fscrypt_provisioning_key_payload whose ``raw`` field contains
the raw key and whose ``type`` field matches ``key_spec.type``.
Since ``raw`` is variable-length, the total size of this key's
payload must be ``sizeof(struct fscrypt_provisioning_key_payload)``
plus the raw key size. The process must have Search permission on
this key.
Most users should leave this 0 and specify the raw key directly.
The support for specifying a Linux keyring key is intended mainly to
......@@ -860,8 +858,8 @@ The FS_IOC_REMOVE_ENCRYPTION_KEY ioctl removes a claim to a master
encryption key from the filesystem, and possibly removes the key
itself. It can be executed on any file or directory on the target
filesystem, but using the filesystem's root directory is recommended.
It takes in a pointer to a :c:type:`struct fscrypt_remove_key_arg`,
defined as follows::
It takes in a pointer to struct fscrypt_remove_key_arg, defined
as follows::
struct fscrypt_remove_key_arg {
struct fscrypt_key_specifier key_spec;
......@@ -956,8 +954,8 @@ FS_IOC_GET_ENCRYPTION_KEY_STATUS
The FS_IOC_GET_ENCRYPTION_KEY_STATUS ioctl retrieves the status of a
master encryption key. It can be executed on any file or directory on
the target filesystem, but using the filesystem's root directory is
recommended. It takes in a pointer to a :c:type:`struct
fscrypt_get_key_status_arg`, defined as follows::
recommended. It takes in a pointer to
struct fscrypt_get_key_status_arg, defined as follows::
struct fscrypt_get_key_status_arg {
/* input */
......@@ -1148,10 +1146,10 @@ Implementation details
Encryption context
------------------
An encryption policy is represented on-disk by a :c:type:`struct
fscrypt_context_v1` or a :c:type:`struct fscrypt_context_v2`. It is
up to individual filesystems to decide where to store it, but normally
it would be stored in a hidden extended attribute. It should *not* be
An encryption policy is represented on-disk by
struct fscrypt_context_v1 or struct fscrypt_context_v2. It is up to
individual filesystems to decide where to store it, but normally it
would be stored in a hidden extended attribute. It should *not* be
exposed by the xattr-related system calls such as getxattr() and
setxattr() because of the special semantics of the encryption xattr.
(In particular, there would be much confusion if an encryption policy
......@@ -1249,8 +1247,8 @@ a strong "hash" of the ciphertext filename, along with the optional
filesystem-specific hash(es) needed for directory lookups. This
allows the filesystem to still, with a high degree of confidence, map
the filename given in ->lookup() back to a particular directory entry
that was previously listed by readdir(). See :c:type:`struct
fscrypt_nokey_name` in the source for more details.
that was previously listed by readdir(). See
struct fscrypt_nokey_name in the source for more details.
Note that the precise way that filenames are presented to userspace
without the key is subject to change in the future. It is only meant
......
Documentation/filesystems/fsverity.rst
View file @ 54a4c789
......@@ -84,7 +84,7 @@ FS_IOC_ENABLE_VERITY
--------------------
The FS_IOC_ENABLE_VERITY ioctl enables fs-verity on a file. It takes
in a pointer to a :c:type:`struct fsverity_enable_arg`, defined as
in a pointer to a struct fsverity_enable_arg, defined as
follows::
struct fsverity_enable_arg {
......
Documentation/gpu/i915.rst
View file @ 54a4c789
......@@ -636,15 +636,36 @@ i915 Perf Observation Architecture Stream
.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
:functions: i915_oa_poll_wait
All i915 Perf Internals
-----------------------
Other i915 Perf Internals
-------------------------
This section simply includes all currently documented i915 perf internals, in
no particular order, but may include some more minor utilities or platform
This section simply includes all other currently documented i915 perf internals,
in no particular order, but may include some more minor utilities or platform
specific details than found in the more high-level sections.
.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
:internal:
:no-identifiers:
i915_perf_init
i915_perf_fini
i915_perf_register
i915_perf_unregister
i915_perf_open_ioctl
i915_perf_release
i915_perf_add_config_ioctl
i915_perf_remove_config_ioctl
read_properties_unlocked
i915_perf_open_ioctl_locked
i915_perf_destroy_locked
i915_perf_read i915_perf_ioctl
i915_perf_enable_locked
i915_perf_disable_locked
i915_perf_poll i915_perf_poll_locked
i915_oa_stream_init i915_oa_read
i915_oa_stream_enable
i915_oa_stream_disable
i915_oa_wait_unlocked
i915_oa_poll_wait
Style
=====
......
Documentation/networking/ieee802154.rst
View file @ 54a4c789
......@@ -26,7 +26,9 @@ The stack is composed of three main parts:
Socket API
==========
.. c:function:: int sd = socket(PF_IEEE802154, SOCK_DGRAM, 0);
::
int sd = socket(PF_IEEE802154, SOCK_DGRAM, 0);
The address family, socket addresses etc. are defined in the
include/net/af_ieee802154.h header or in the special header
......@@ -131,12 +133,12 @@ Register PHY in the system.
Freeing registered PHY.
.. c:function:: void ieee802154_rx_irqsafe(struct ieee802154_hw *hw, struct sk_buff *skb, u8 lqi):
.. c:function:: void ieee802154_rx_irqsafe(struct ieee802154_hw *hw, struct sk_buff *skb, u8 lqi)
Telling 802.15.4 module there is a new received frame in the skb with
the RF Link Quality Indicator (LQI) from the hardware device.
.. c:function:: void ieee802154_xmit_complete(struct ieee802154_hw *hw, struct sk_buff *skb, bool ifs_handling):
.. c:function:: void ieee802154_xmit_complete(struct ieee802154_hw *hw, struct sk_buff *skb, bool ifs_handling)
Telling 802.15.4 module the frame in the skb is or going to be
transmitted through the hardware device
......@@ -155,25 +157,25 @@ operations structure at least::
...
};
.. c:function:: int start(struct ieee802154_hw *hw):
.. c:function:: int start(struct ieee802154_hw *hw)
Handler that 802.15.4 module calls for the hardware device initialization.
.. c:function:: void stop(struct ieee802154_hw *hw):
.. c:function:: void stop(struct ieee802154_hw *hw)
Handler that 802.15.4 module calls for the hardware device cleanup.
.. c:function:: int xmit_async(struct ieee802154_hw *hw, struct sk_buff *skb):
.. c:function:: int xmit_async(struct ieee802154_hw *hw, struct sk_buff *skb)
Handler that 802.15.4 module calls for each frame in the skb going to be
transmitted through the hardware device.
.. c:function:: int ed(struct ieee802154_hw *hw, u8 *level):
.. c:function:: int ed(struct ieee802154_hw *hw, u8 *level)
Handler that 802.15.4 module calls for Energy Detection from the hardware
device.
.. c:function:: int set_channel(struct ieee802154_hw *hw, u8 page, u8 channel):
.. c:function:: int set_channel(struct ieee802154_hw *hw, u8 page, u8 channel)
Set radio for listening on specific channel of the hardware device.
......
Documentation/powerpc/syscall64-abi.rst
View file @ 54a4c789
......@@ -49,22 +49,22 @@ Register preservation rules
Register preservation rules match the ELF ABI calling sequence with the
following differences:
--- For the sc instruction, differences with the ELF ABI ---
=========== ============= ========================================
r0 Volatile (System call number.)
r3 Volatile (Parameter 1, and return value.)
r4-r8 Volatile (Parameters 2-6.)
cr0 Volatile (cr0.SO is the return error condition.)
cr1, cr5-7 Nonvolatile
lr Nonvolatile
=========== ============= ========================================
--- For the scv 0 instruction, differences with the ELF ABI ---
=========== ============= ========================================
r0 Volatile (System call number.)
r3 Volatile (Parameter 1, and return value.)
r4-r8 Volatile (Parameters 2-6.)
=========== ============= ========================================
+------------------------------------------------------------------------+
| For the sc instruction, differences with the ELF ABI |
+--------------+--------------+------------------------------------------+
| r0 | Volatile | (System call number.) |
| rr3 | Volatile | (Parameter 1, and return value.) |
| rr4-r8 | Volatile | (Parameters 2-6.) |
| rcr0 | Volatile | (cr0.SO is the return error condition.) |
| rcr1, cr5-7 | Nonvolatile | |
| rlr | Nonvolatile | |
+--------------+--------------+------------------------------------------+
| For the scv 0 instruction, differences with the ELF ABI |
+--------------+--------------+------------------------------------------+
| r0 | Volatile | (System call number.) |
| r3 | Volatile | (Parameter 1, and return value.) |
| r4-r8 | Volatile | (Parameters 2-6.) |
+--------------+--------------+------------------------------------------+
All floating point and vector data registers as well as control and status
registers are nonvolatile.
......
Documentation/sound/designs/tracepoints.rst
View file @ 54a4c789
......@@ -34,20 +34,20 @@ substream. In this procedure, PCM hardware parameters are decided by
interaction between applications and ALSA PCM core. Once decided, runtime of
the PCM substream keeps the parameters.
The parameters are described in :c:type:`struct snd_pcm_hw_params`. This
The parameters are described in struct snd_pcm_hw_params. This
structure includes several types of parameters. Applications set preferable
value to these parameters, then execute ioctl(2) with SNDRV_PCM_IOCTL_HW_REFINE
or SNDRV_PCM_IOCTL_HW_PARAMS. The former is used just for refining available
set of parameters. The latter is used for an actual decision of the parameters.
The :c:type:`struct snd_pcm_hw_params` structure has below members:
The struct snd_pcm_hw_params structure has below members:
``flags``
Configurable. ALSA PCM core and some drivers handle this flag to select
convenient parameters or change their behaviour.
``masks``
Configurable. This type of parameter is described in
:c:type:`struct snd_mask` and represent mask values. As of PCM protocol
struct snd_mask and represent mask values. As of PCM protocol
v2.0.13, three types are defined.
- SNDRV_PCM_HW_PARAM_ACCESS
......@@ -55,7 +55,7 @@ The :c:type:`struct snd_pcm_hw_params` structure has below members:
- SNDRV_PCM_HW_PARAM_SUBFORMAT
``intervals``
Configurable. This type of parameter is described in
:c:type:`struct snd_interval` and represent values with a range. As of
struct snd_interval and represent values with a range. As of
PCM protocol v2.0.13, twelve types are defined.
- SNDRV_PCM_HW_PARAM_SAMPLE_BITS
......@@ -78,7 +78,7 @@ The :c:type:`struct snd_pcm_hw_params` structure has below members:
are going to be changed.
``cmask``
Read-only. After returning from ioctl(2), buffer in user space for
:c:type:`struct snd_pcm_hw_params` includes result of each operation.
struct snd_pcm_hw_params includes result of each operation.
This mask represents which mask/interval parameter is actually changed.
``info``
Read-only. This represents hardware/driver capabilities as bit flags
......@@ -110,10 +110,10 @@ The :c:type:`struct snd_pcm_hw_params` structure has below members:
value to this parameter but some drivers intentionally set zero with
a care of hardware design or data transmission protocol.
ALSA PCM core handles buffer of :c:type:`struct snd_pcm_hw_params` when
ALSA PCM core handles buffer of struct snd_pcm_hw_params when
applications execute ioctl(2) with SNDRV_PCM_HW_REFINE or SNDRV_PCM_HW_PARAMS.
Parameters in the buffer are changed according to
:c:type:`struct snd_pcm_hardware` and rules of constraints in the runtime. The
struct snd_pcm_hardware and rules of constraints in the runtime. The
structure describes capabilities of handled hardware. The rules describes
dependencies on which a parameter is decided according to several parameters.
A rule has a callback function, and drivers can register arbitrary functions
......@@ -121,17 +121,17 @@ to compute the target parameter. ALSA PCM core registers some rules to the
runtime as a default.
Each driver can join in the interaction as long as it prepared for two stuffs
in a callback of :c:type:`struct snd_pcm_ops.open`.
in a callback of struct snd_pcm_ops.open.
1. In the callback, drivers are expected to change a member of
:c:type:`struct snd_pcm_hardware` type in the runtime, according to
struct snd_pcm_hardware type in the runtime, according to
capacities of corresponding hardware.
2. In the same callback, drivers are also expected to register additional rules
of constraints into the runtime when several parameters have dependencies
due to hardware design.
The driver can refers to result of the interaction in a callback of
:c:type:`struct snd_pcm_ops.hw_params`, however it should not change the
struct snd_pcm_ops.hw_params, however it should not change the
content.
Tracepoints in this category are designed to trace changes of the
......@@ -163,7 +163,7 @@ fields are different according to type of the parameter. For parameters of mask
type, the fields represent hexadecimal dump of content of the parameter. For
parameters of interval type, the fields represent values of each member of
``empty``, ``integer``, ``openmin``, ``min``, ``max``, ``openmax`` in
:c:type:`struct snd_interval` in this order.
struct snd_interval in this order.
Tracepoints in drivers
======================
......
Documentation/sound/kernel-api/alsa-driver-api.rst
View file @ 54a4c789
......@@ -132,3 +132,4 @@ ISA DMA Helpers
Other Helper Macros
-------------------
.. kernel-doc:: include/sound/core.h
.. kernel-doc:: sound/sound_core.c
Documentation/sphinx/automarkup.py
View file @ 54a4c789
......@@ -22,13 +22,34 @@ from itertools import chain
# :c:func: block (i.e. ":c:func:`mmap()`s" flakes out), so the last
# bit tries to restrict matches to things that won't create trouble.
#
RE_function = re.compile(r'(([\w_][\w\d_]+)\(\))')
RE_type = re.compile(r'(struct|union|enum|typedef)\s+([\w_][\w\d_]+)')
RE_function = re.compile(r'\b(([a-zA-Z_]\w+)\(\))', flags=re.ASCII)
#
# Sphinx 2 uses the same :c:type role for struct, union, enum and typedef
#
RE_generic_type = re.compile(r'\b(struct|union|enum|typedef)\s+([a-zA-Z_]\w+)',
flags=re.ASCII)
#
# Sphinx 3 uses a different C role for each one of struct, union, enum and
# typedef
#
RE_struct = re.compile(r'\b(struct)\s+([a-zA-Z_]\w+)', flags=re.ASCII)
RE_union = re.compile(r'\b(union)\s+([a-zA-Z_]\w+)', flags=re.ASCII)
RE_enum = re.compile(r'\b(enum)\s+([a-zA-Z_]\w+)', flags=re.ASCII)
RE_typedef = re.compile(r'\b(typedef)\s+([a-zA-Z_]\w+)', flags=re.ASCII)
#
# Detects a reference to a documentation page of the form Documentation/... with
# an optional extension
#
RE_doc = re.compile(r'Documentation(/[\w\-_/]+)(\.\w+)*')
RE_doc = re.compile(r'\bDocumentation(/[\w\-_/]+)(\.\w+)*')
#
# Reserved C words that we should skip when cross-referencing
#
Skipnames = [ 'for', 'if', 'register', 'sizeof', 'struct', 'unsigned' ]
#
# Many places in the docs refer to common system calls. It is
......@@ -48,9 +69,22 @@ def markup_refs(docname, app, node):
#
# Associate each regex with the function that will markup its matches
#
markup_func = {RE_type: markup_c_ref,
RE_function: markup_c_ref,
RE_doc: markup_doc_ref}
markup_func_sphinx2 = {RE_doc: markup_doc_ref,
RE_function: markup_c_ref,
RE_generic_type: markup_c_ref}
markup_func_sphinx3 = {RE_doc: markup_doc_ref,
RE_function: markup_func_ref_sphinx3,
RE_struct: markup_c_ref,
RE_union: markup_c_ref,
RE_enum: markup_c_ref,
RE_typedef: markup_c_ref}
if sphinx.version_info[0] >= 3:
markup_func = markup_func_sphinx3
else:
markup_func = markup_func_sphinx2
match_iterators = [regex.finditer(t) for regex in markup_func]
#
# Sort all references by the starting position in text
......@@ -75,12 +109,63 @@ def markup_refs(docname, app, node):
return repl
#
# Try to replace a C reference (function() or struct/union/enum/typedef
# type_name) with an appropriate cross reference.
# In sphinx3 we can cross-reference to C macro and function, each one with its
# own C role, but both match the same regex, so we try both.
#
def markup_func_ref_sphinx3(docname, app, match):
class_str = ['c-func', 'c-macro']
reftype_str = ['function', 'macro']
cdom = app.env.domains['c']
#
# Go through the dance of getting an xref out of the C domain
#
target = match.group(2)
target_text = nodes.Text(match.group(0))
xref = None
if not (target in Skipfuncs or target in Skipnames):
for class_s, reftype_s in zip(class_str, reftype_str):
lit_text = nodes.literal(classes=['xref', 'c', class_s])
lit_text += target_text
pxref = addnodes.pending_xref('', refdomain = 'c',
reftype = reftype_s,
reftarget = target, modname = None,
classname = None)
#
# XXX The Latex builder will throw NoUri exceptions here,
# work around that by ignoring them.
#
try:
xref = cdom.resolve_xref(app.env, docname, app.builder,
reftype_s, target, pxref,
lit_text)
except NoUri:
xref = None
if xref:
return xref
return target_text
def markup_c_ref(docname, app, match):
class_str = {RE_function: 'c-func', RE_type: 'c-type'}
reftype_str = {RE_function: 'function', RE_type: 'type'}
class_str = {# Sphinx 2 only
RE_function: 'c-func',
RE_generic_type: 'c-type',
# Sphinx 3+ only
RE_struct: 'c-struct',
RE_union: 'c-union',
RE_enum: 'c-enum',
RE_typedef: 'c-type',
}
reftype_str = {# Sphinx 2 only
RE_function: 'function',
RE_generic_type: 'type',
# Sphinx 3+ only
RE_struct: 'struct',
RE_union: 'union',
RE_enum: 'enum',
RE_typedef: 'type',
}
cdom = app.env.domains['c']
#
......@@ -89,7 +174,8 @@ def markup_c_ref(docname, app, match):
target = match.group(2)
target_text = nodes.Text(match.group(0))
xref = None
if not (match.re == RE_function and target in Skipfuncs):
if not ((match.re == RE_function and target in Skipfuncs)
or (target in Skipnames)):
lit_text = nodes.literal(classes=['xref', 'c', class_str[match.re]])
lit_text += target_text
pxref = addnodes.pending_xref('', refdomain = 'c',
......
Documentation/sphinx/cdomain.py
View file @ 54a4c789
......@@ -40,14 +40,94 @@ from sphinx import addnodes
from sphinx.domains.c import c_funcptr_sig_re, c_sig_re
from sphinx.domains.c import CObject as Base_CObject
from sphinx.domains.c import CDomain as Base_CDomain
from itertools import chain
import re
__version__ = '1.0'
__version__ = '1.1'
# Get Sphinx version
major, minor, patch = sphinx.version_info[:3]
# Namespace to be prepended to the full name
namespace = None
#
# Handle trivial newer c domain tags that are part of Sphinx 3.1 c domain tags
# - Store the namespace if ".. c:namespace::" tag is found
#
RE_namespace = re.compile(r'^\s*..\s*c:namespace::\s*(\S+)\s*$')
def markup_namespace(match):
global namespace
namespace = match.group(1)
return ""
#
# Handle c:macro for function-style declaration
#
RE_macro = re.compile(r'^\s*..\s*c:macro::\s*(\S+)\s+(\S.*)\s*$')
def markup_macro(match):
return ".. c:function:: " + match.group(1) + ' ' + match.group(2)
#
# Handle newer c domain tags that are evaluated as .. c:type: for
# backward-compatibility with Sphinx < 3.0
#
RE_ctype = re.compile(r'^\s*..\s*c:(struct|union|enum|enumerator|alias)::\s*(.*)$')
def markup_ctype(match):
return ".. c:type:: " + match.group(2)
#
# Handle newer c domain tags that are evaluated as :c:type: for
# backward-compatibility with Sphinx < 3.0
#
RE_ctype_refs = re.compile(r':c:(var|struct|union|enum|enumerator)::`([^\`]+)`')
def markup_ctype_refs(match):
return ":c:type:`" + match.group(2) + '`'
#
# Simply convert :c:expr: and :c:texpr: into a literal block.
#
RE_expr = re.compile(r':c:(expr|texpr):`([^\`]+)`')
def markup_c_expr(match):
return '\ ``' + match.group(2) + '``\ '
#
# Parse Sphinx 3.x C markups, replacing them by backward-compatible ones
#
def c_markups(app, docname, source):
result = ""
markup_func = {
RE_namespace: markup_namespace,
RE_expr: markup_c_expr,
RE_macro: markup_macro,
RE_ctype: markup_ctype,
RE_ctype_refs: markup_ctype_refs,
}
lines = iter(source[0].splitlines(True))
for n in lines:
match_iterators = [regex.finditer(n) for regex in markup_func]
matches = sorted(chain(*match_iterators), key=lambda m: m.start())
for m in matches:
n = n[:m.start()] + markup_func[m.re](m) + n[m.end():]
result = result + n
source[0] = result
#
# Now implements support for the cdomain namespacing logic
#
def setup(app):
# Handle easy Sphinx 3.1+ simple new tags: :c:expr and .. c:namespace::
app.connect('source-read', c_markups)
if (major == 1 and minor < 8):
app.override_domain(CDomain)
else:
......@@ -75,6 +155,8 @@ class CObject(Base_CObject):
function-like macro, the name of the macro is returned. Otherwise
``False`` is returned. """
global namespace
if not self.objtype == 'function':
return False
......@@ -107,11 +189,16 @@ class CObject(Base_CObject):
param += nodes.emphasis(argname, argname)
paramlist += param
if namespace:
fullname = namespace + "." + fullname
return fullname
def handle_signature(self, sig, signode):
"""Transform a C signature into RST nodes."""
global namespace
fullname = self.handle_func_like_macro(sig, signode)
if not fullname:
fullname = super(CObject, self).handle_signature(sig, signode)
......@@ -122,6 +209,10 @@ class CObject(Base_CObject):
else:
# FIXME: handle :name: value of other declaration types?
pass
else:
if namespace:
fullname = namespace + "." + fullname
return fullname
def add_target_and_index(self, name, sig, signode):
......
Documentation/sphinx/kerneldoc.py
View file @ 54a4c789
......@@ -62,6 +62,7 @@ class KernelDocDirective(Directive):
'export': directives.unchanged,
'internal': directives.unchanged,
'identifiers': directives.unchanged,
'no-identifiers': directives.unchanged,
'functions': directives.unchanged,
}
has_content = False
......@@ -70,6 +71,11 @@ class KernelDocDirective(Directive):
env = self.state.document.settings.env
cmd = [env.config.kerneldoc_bin, '-rst', '-enable-lineno']
# Pass the version string to kernel-doc, as it needs to use a different
# dialect, depending what the C domain supports for each specific
# Sphinx versions
cmd += ['-sphinx-version', sphinx.__version__]
filename = env.config.kerneldoc_srctree + '/' + self.arguments[0]
export_file_patterns = []
......@@ -99,6 +105,12 @@ class KernelDocDirective(Directive):
else:
cmd += ['-no-doc-sections']
if 'no-identifiers' in self.options:
no_identifiers = self.options.get('no-identifiers').split()
if no_identifiers:
for i in no_identifiers:
cmd += ['-nosymbol', i]
for pattern in export_file_patterns:
for f in glob.glob(env.config.kerneldoc_srctree + '/' + pattern):
env.note_dependency(os.path.abspath(f))
......@@ -136,7 +148,8 @@ class KernelDocDirective(Directive):
lineoffset = int(match.group(1)) - 1
# we must eat our comments since the upset the markup
else:
result.append(line, filename, lineoffset)
doc = env.srcdir + "/" + env.docname + ":" + str(self.lineno)
result.append(line, doc + ": " + filename, lineoffset)
lineoffset += 1
node = nodes.section()
......
Documentation/sphinx/parse-headers.pl
View file @ 54a4c789
......@@ -110,7 +110,7 @@ while (<IN>) {
) {
my $s = $1;
$structs{$s} = "struct :c:type:`$s`\\ ";
$structs{$s} = "struct $s\\ ";
next;
}
}
......
Documentation/trace/ftrace-uses.rst
View file @ 54a4c789
......@@ -55,17 +55,17 @@ an ftrace_ops with ftrace:
Both .flags and .private are optional. Only .func is required.
To enable tracing call:
To enable tracing call::
.. c:function:: register_ftrace_function(&ops);
register_ftrace_function(&ops);
To disable tracing call:
To disable tracing call::
.. c:function:: unregister_ftrace_function(&ops);
unregister_ftrace_function(&ops);
The above is defined by including the header:
The above is defined by including the header::
.. c:function:: #include <linux/ftrace.h>
#include <linux/ftrace.h>
The registered callback will start being called some time after the
register_ftrace_function() is called and before it returns. The exact time
......
Documentation/translations/it_IT/kernel-hacking/hacking.rst
View file @ 54a4c789
......@@ -402,7 +402,7 @@ il valore convertito. Tutte le varianti supportano anche il processo inverso:
:c:func:`be32_to_cpu()`, eccetera.
Queste funzioni hanno principalmente due varianti: la variante per
puntatori, come :c:func:`cpu_to_be32p(), che prende un puntatore
puntatori, come :c:func:`cpu_to_be32p()`, che prende un puntatore
ad un tipo, e ritorna il valore convertito. L'altra variante per
la famiglia di conversioni "in-situ", come :c:func:`cpu_to_be32s()`,
che convertono il valore puntato da un puntatore, e ritornano void.
......
Documentation/translations/it_IT/kernel-hacking/locking.rst
View file @ 54a4c789
.. include:: ../disclaimer-ita.rst
.. c:namespace:: it_IT
:Original: :ref:`Documentation/kernel-hacking/locking.rst <kernel_hacking_lock>`
:Translator: Federico Vaga <federico.vaga@vaga.pv.it>
......
Documentation/translations/zh_CN/arm64/amu.rst
View file @ 54a4c789
......@@ -4,9 +4,9 @@
Translator: Bailu Lin <bailu.lin@vivo.com>
=================================
==================================
AArch64 Linux 中扩展的活动监控单元
=================================
==================================
作者: Ionela Voinescu <ionela.voinescu@arm.com>
......
Documentation/userspace-api/media/cec/cec-func-close.rst
View file @ 54a4c789
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: CEC
.. _cec-func-close:
......@@ -11,7 +12,6 @@ Name
cec-close - Close a cec device
Synopsis
========
......@@ -19,16 +19,13 @@ Synopsis
#include <unistd.h>
.. c:function:: int close( int fd )
:name: cec-close
Arguments
=========
``fd``
File descriptor returned by :c:func:`open() <cec-open>`.
File descriptor returned by :c:func:`open()`.
Description
===========
......@@ -36,11 +33,10 @@ Description
Closes the cec device. Resources associated with the file descriptor are
freed. The device configuration remain unchanged.
Return Value
============
:c:func:`close() <cec-close>` returns 0 on success. On error, -1 is returned, and
:c:func:`close()` returns 0 on success. On error, -1 is returned, and
``errno`` is set appropriately. Possible error codes are:
``EBADF``
......
Documentation/userspace-api/media/cec/cec-func-ioctl.rst
View file @ 54a4c789
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: CEC
.. _cec-func-ioctl:
......@@ -18,15 +19,13 @@ Synopsis
#include <sys/ioctl.h>
.. c:function:: int ioctl( int fd, int request, void *argp )
:name: cec-ioctl
``int ioctl(int fd, int request, void *argp)``
Arguments
=========
``fd``
File descriptor returned by :c:func:`open() <cec-open>`.
File descriptor returned by :c:func:`open()`.
``request``
CEC ioctl request code as defined in the cec.h header file, for
......@@ -35,11 +34,10 @@ Arguments
``argp``
Pointer to a request-specific structure.
Description
===========
The :c:func:`ioctl() <cec-ioctl>` function manipulates cec device parameters. The
The :c:func:`ioctl()` function manipulates cec device parameters. The
argument ``fd`` must be an open file descriptor.
The ioctl ``request`` code specifies the cec function to be called. It
......@@ -51,7 +49,6 @@ their parameters are located in the cec.h header file. All cec ioctl
requests, their respective function and parameters are specified in
:ref:`cec-user-func`.
Return Value
============
......
Documentation/userspace-api/media/cec/cec-func-open.rst
View file @ 54a4c789
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: CEC
.. _cec-func-open:
......@@ -18,10 +19,7 @@ Synopsis
#include <fcntl.h>
.. c:function:: int open( const char *device_name, int flags )
:name: cec-open
Arguments
=========
......@@ -42,11 +40,10 @@ Arguments
Other flags have no effect.
Description
===========
To open a cec device applications call :c:func:`open() <cec-open>` with the
To open a cec device applications call :c:func:`open()` with the
desired device name. The function has no side effects; the device
configuration remain unchanged.
......@@ -54,11 +51,10 @@ When the device is opened in read-only mode, attempts to modify its
configuration will result in an error, and ``errno`` will be set to
EBADF.
Return Value
============
:c:func:`open() <cec-open>` returns the new file descriptor on success. On error,
:c:func:`open()` returns the new file descriptor on success. On error,
-1 is returned, and ``errno`` is set appropriately. Possible error codes
include:
......
Documentation/userspace-api/media/cec/cec-func-poll.rst
View file @ 54a4c789
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: CEC
.. _cec-func-poll:
......@@ -11,7 +12,6 @@ Name
cec-poll - Wait for some event on a file descriptor
Synopsis
========
......@@ -19,9 +19,7 @@ Synopsis
#include <sys/poll.h>
.. c:function:: int poll( struct pollfd *ufds, unsigned int nfds, int timeout )
:name: cec-poll
Arguments
=========
......@@ -35,14 +33,13 @@ Arguments
``timeout``
Timeout to wait for events
Description
===========
With the :c:func:`poll() <cec-poll>` function applications can wait for CEC
With the :c:func:`poll()` function applications can wait for CEC
events.
On success :c:func:`poll() <cec-poll>` returns the number of file descriptors
On success :c:func:`poll()` returns the number of file descriptors
that have been selected (that is, file descriptors for which the
``revents`` field of the respective struct :c:type:`pollfd`
is non-zero). CEC devices set the ``POLLIN`` and ``POLLRDNORM`` flags in
......@@ -53,13 +50,12 @@ then the ``POLLPRI`` flag is set. When the function times out it returns
a value of zero, on failure it returns -1 and the ``errno`` variable is
set appropriately.
For more details see the :c:func:`poll() <cec-poll>` manual page.
For more details see the :c:func:`poll()` manual page.
Return Value
============
On success, :c:func:`poll() <cec-poll>` returns the number structures which have
On success, :c:func:`poll()` returns the number structures which have
non-zero ``revents`` fields, or zero if the call timed out. On error -1
is returned, and the ``errno`` variable is set appropriately:
......
Documentation/userspace-api/media/cec/cec-ioc-adap-g-caps.rst
View file @ 54a4c789
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: CEC
.. _CEC_ADAP_G_CAPS:
......@@ -14,18 +15,18 @@ CEC_ADAP_G_CAPS - Query device capabilities
Synopsis
========
.. c:function:: int ioctl( int fd, CEC_ADAP_G_CAPS, struct cec_caps *argp )
:name: CEC_ADAP_G_CAPS
.. c:macro:: CEC_ADAP_G_CAPS
``int ioctl(int fd, CEC_ADAP_G_CAPS, struct cec_caps *argp)``
Arguments
=========
``fd``
File descriptor returned by :c:func:`open() <cec-open>`.
File descriptor returned by :c:func:`open()`.
``argp``
Description
===========
......@@ -62,7 +63,6 @@ returns the information to the application. The ioctl never fails.
- CEC Framework API version, formatted with the ``KERNEL_VERSION()``
macro.
.. tabularcolumns:: |p{4.4cm}|p{2.5cm}|p{10.6cm}|
.. _cec-capabilities:
......
Documentation/userspace-api/media/cec/cec-ioc-adap-g-conn-info.rst
View file @ 54a4c789
......@@ -2,6 +2,8 @@
..
.. Copyright 2019 Google LLC
..
.. c:namespace:: CEC
.. _CEC_ADAP_G_CONNECTOR_INFO:
*******************************
......@@ -16,18 +18,18 @@ CEC_ADAP_G_CONNECTOR_INFO - Query HDMI connector information
Synopsis
========
.. c:function:: int ioctl( int fd, CEC_ADAP_G_CONNECTOR_INFO, struct cec_connector_info *argp )
:name: CEC_ADAP_G_CONNECTOR_INFO
.. c:macro:: CEC_ADAP_G_CONNECTOR_INFO
``int ioctl(int fd, CEC_ADAP_G_CONNECTOR_INFO, struct cec_connector_info *argp)``
Arguments
=========
``fd``
File descriptor returned by :c:func:`open() <cec-open>`.
File descriptor returned by :c:func:`open()`.
``argp``
Description
===========
......@@ -57,7 +59,6 @@ is only available if the ``CEC_CAP_CONNECTOR_INFO`` capability is set.
* - }
-
.. tabularcolumns:: |p{4.4cm}|p{2.5cm}|p{10.6cm}|
.. _connector-type:
......
Documentation/userspace-api/media/cec/cec-ioc-adap-g-log-addrs.rst
View file @ 54a4c789
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: CEC
.. _CEC_ADAP_LOG_ADDRS:
.. _CEC_ADAP_G_LOG_ADDRS:
......@@ -13,21 +14,22 @@ Name
CEC_ADAP_G_LOG_ADDRS, CEC_ADAP_S_LOG_ADDRS - Get or set the logical addresses
Synopsis
========
.. c:function:: int ioctl( int fd, CEC_ADAP_G_LOG_ADDRS, struct cec_log_addrs *argp )
:name: CEC_ADAP_G_LOG_ADDRS
.. c:macro:: CEC_ADAP_G_LOG_ADDRS
``int ioctl(int fd, CEC_ADAP_G_LOG_ADDRS, struct cec_log_addrs *argp)``
.. c:macro:: CEC_ADAP_S_LOG_ADDRS
.. c:function:: int ioctl( int fd, CEC_ADAP_S_LOG_ADDRS, struct cec_log_addrs *argp )
:name: CEC_ADAP_S_LOG_ADDRS
``int ioctl(int fd, CEC_ADAP_S_LOG_ADDRS, struct cec_log_addrs *argp)``
Arguments
=========
``fd``
File descriptor returned by :c:func:`open() <cec-open>`.
File descriptor returned by :c:func:`open()`.
``argp``
Pointer to struct :c:type:`cec_log_addrs`.
......@@ -148,7 +150,6 @@ logical address types are already defined will return with error ``EBUSY``.
give the CEC framework more information about the device type, even
though the framework won't use it directly in the CEC message.
.. tabularcolumns:: |p{7.8cm}|p{1.0cm}|p{8.7cm}|
.. _cec-log-addrs-flags:
......@@ -185,7 +186,6 @@ logical address types are already defined will return with error ``EBUSY``.
All other messages are ignored.
.. tabularcolumns:: |p{7.8cm}|p{1.0cm}|p{8.7cm}|
.. _cec-versions:
......@@ -211,7 +211,6 @@ logical address types are already defined will return with error ``EBUSY``.
- 6
- CEC version according to the HDMI 2.0 standard.
.. tabularcolumns:: |p{6.6cm}|p{2.2cm}|p{8.7cm}|
.. _cec-prim-dev-types:
......@@ -257,7 +256,6 @@ logical address types are already defined will return with error ``EBUSY``.
- 7
- Use for a video processor device.
.. tabularcolumns:: |p{6.6cm}|p{2.2cm}|p{8.7cm}|
.. _cec-log-addr-types:
......@@ -306,7 +304,6 @@ logical address types are already defined will return with error ``EBUSY``.
Control).
.. tabularcolumns:: |p{6.6cm}|p{2.2cm}|p{8.7cm}|
.. _cec-all-dev-types-flags:
......@@ -348,7 +345,6 @@ logical address types are already defined will return with error ``EBUSY``.
- This supports the CEC Switch or Video Processing type.
Return Value
============
......
Documentation/userspace-api/media/cec/cec-ioc-adap-g-phys-addr.rst
View file @ 54a4c789
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: CEC
.. _CEC_ADAP_PHYS_ADDR:
.. _CEC_ADAP_G_PHYS_ADDR:
......@@ -13,21 +14,22 @@ Name
CEC_ADAP_G_PHYS_ADDR, CEC_ADAP_S_PHYS_ADDR - Get or set the physical address
Synopsis
========
.. c:function:: int ioctl( int fd, CEC_ADAP_G_PHYS_ADDR, __u16 *argp )
:name: CEC_ADAP_G_PHYS_ADDR
.. c:macro:: CEC_ADAP_G_PHYS_ADDR
``int ioctl(int fd, CEC_ADAP_G_PHYS_ADDR, __u16 *argp)``
.. c:function:: int ioctl( int fd, CEC_ADAP_S_PHYS_ADDR, __u16 *argp )
:name: CEC_ADAP_S_PHYS_ADDR
.. c:macro:: CEC_ADAP_S_PHYS_ADDR
``int ioctl(int fd, CEC_ADAP_S_PHYS_ADDR, __u16 *argp)``
Arguments
=========
``fd``
File descriptor returned by :c:func:`open() <cec-open>`.
File descriptor returned by :c:func:`open()`.
``argp``
Pointer to the CEC address.
......@@ -71,7 +73,6 @@ For example, the EDID for each HDMI input of the TV will have a
different physical address of the form a.0.0.0 that the sources will
read out and use as their physical address.
Return Value
============
......
Documentation/userspace-api/media/cec/cec-ioc-dqevent.rst
View file @ 54a4c789
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: CEC
.. _CEC_DQEVENT:
......@@ -11,22 +12,21 @@ Name
CEC_DQEVENT - Dequeue a CEC event
Synopsis
========
.. c:function:: int ioctl( int fd, CEC_DQEVENT, struct cec_event *argp )
:name: CEC_DQEVENT
.. c:macro:: CEC_DQEVENT
``int ioctl(int fd, CEC_DQEVENT, struct cec_event *argp)``
Arguments
=========
``fd``
File descriptor returned by :c:func:`open() <cec-open>`.
File descriptor returned by :c:func:`open()`.
``argp``
Description
===========
......@@ -72,7 +72,6 @@ it is guaranteed that the state did change in between the two events.
the HDMI driver is still configuring the device or because the HDMI
device was unbound.
.. c:type:: cec_event_lost_msgs
.. tabularcolumns:: |p{1.0cm}|p{2.0cm}|p{14.5cm}|
......@@ -94,7 +93,6 @@ it is guaranteed that the state did change in between the two events.
replied to within a second according to the CEC specification,
this is more than enough.
.. tabularcolumns:: |p{1.0cm}|p{4.4cm}|p{2.5cm}|p{9.6cm}|
.. c:type:: cec_event
......@@ -130,7 +128,6 @@ it is guaranteed that the state did change in between the two events.
* - }
-
.. tabularcolumns:: |p{5.6cm}|p{0.9cm}|p{11.0cm}|
.. _cec-events:
......@@ -204,7 +201,6 @@ it is guaranteed that the state did change in between the two events.
if the 5V is high, then an initial event will be generated for that
filehandle.
.. tabularcolumns:: |p{6.0cm}|p{0.6cm}|p{10.9cm}|
.. _cec-event-flags:
......@@ -230,7 +226,6 @@ it is guaranteed that the state did change in between the two events.
This is an indication that the application cannot keep up.
Return Value
============
......
Documentation/userspace-api/media/cec/cec-ioc-g-mode.rst
View file @ 54a4c789
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: CEC
.. _CEC_MODE:
.. _CEC_G_MODE:
......@@ -13,17 +14,19 @@ CEC_G_MODE, CEC_S_MODE - Get or set exclusive use of the CEC adapter
Synopsis
========
.. c:function:: int ioctl( int fd, CEC_G_MODE, __u32 *argp )
:name: CEC_G_MODE
.. c:macro:: CEC_G_MODE
.. c:function:: int ioctl( int fd, CEC_S_MODE, __u32 *argp )
:name: CEC_S_MODE
``int ioctl(int fd, CEC_G_MODE, __u32 *argp)``
.. c:macro:: CEC_S_MODE
``int ioctl(int fd, CEC_S_MODE, __u32 *argp)``
Arguments
=========
``fd``
File descriptor returned by :c:func:`open() <cec-open>`.
File descriptor returned by :c:func:`open()`.
``argp``
Pointer to CEC mode.
......@@ -101,7 +104,6 @@ Available initiator modes are:
then an attempt to become one will return the ``EBUSY`` error code
error.
Available follower modes are:
.. tabularcolumns:: |p{6.6cm}|p{0.9cm}|p{10.0cm}|
......@@ -193,7 +195,6 @@ Available follower modes are:
the process has the ``CAP_NET_ADMIN`` capability. If that is not
set, then the ``EPERM`` error code is returned.
Core message processing details:
.. tabularcolumns:: |p{6.6cm}|p{10.9cm}|
......@@ -272,7 +273,6 @@ Core message processing details:
and then just pass the message on to the follower(s).
Return Value
============
......
Documentation/userspace-api/media/cec/cec-ioc-receive.rst
View file @ 54a4c789
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: CEC
.. _CEC_TRANSMIT:
.. _CEC_RECEIVE:
......@@ -12,21 +13,22 @@ Name
CEC_RECEIVE, CEC_TRANSMIT - Receive or transmit a CEC message
Synopsis
========
.. c:function:: int ioctl( int fd, CEC_RECEIVE, struct cec_msg \*argp )
:name: CEC_RECEIVE
.. c:macro:: CEC_RECEIVE
``int ioctl(int fd, CEC_RECEIVE, struct cec_msg *argp)``
.. c:function:: int ioctl( int fd, CEC_TRANSMIT, struct cec_msg \*argp )
:name: CEC_TRANSMIT
.. c:macro:: CEC_TRANSMIT
``int ioctl(int fd, CEC_TRANSMIT, struct cec_msg *argp)``
Arguments
=========
``fd``
File descriptor returned by :c:func:`open() <cec-open>`.
File descriptor returned by :c:func:`open()`.
``argp``
Pointer to struct cec_msg.
......@@ -194,7 +196,6 @@ View On' messages from initiator 0xf ('Unregistered') to destination 0 ('TV').
supports this, otherwise it is always 0. This counter is only
valid if the :ref:`CEC_TX_STATUS_ERROR <CEC-TX-STATUS-ERROR>` status bit is set.
.. tabularcolumns:: |p{6.2cm}|p{1.0cm}|p{10.3cm}|
.. _cec-msg-flags:
......@@ -228,7 +229,6 @@ View On' messages from initiator 0xf ('Unregistered') to destination 0 ('TV').
capability. If that is not set, then the ``EPERM`` error code is
returned.
.. tabularcolumns:: |p{5.6cm}|p{0.9cm}|p{11.0cm}|
.. _cec-tx-status:
......@@ -298,7 +298,6 @@ View On' messages from initiator 0xf ('Unregistered') to destination 0 ('TV').
- The transmit timed out. This should not normally happen and this
indicates a driver problem.
.. tabularcolumns:: |p{5.6cm}|p{0.9cm}|p{11.0cm}|
.. _cec-rx-status:
......@@ -335,7 +334,6 @@ View On' messages from initiator 0xf ('Unregistered') to destination 0 ('TV').
reply was interrupted.
Return Value
============
......
Documentation/userspace-api/media/dvb/audio-bilingual-channel-select.rst
View file @ 54a4c789
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.audio
.. _AUDIO_BILINGUAL_CHANNEL_SELECT:
......@@ -16,9 +17,9 @@ AUDIO_BILINGUAL_CHANNEL_SELECT
Synopsis
--------
.. c:function:: int ioctl(int fd, AUDIO_BILINGUAL_CHANNEL_SELECT, struct *audio_channel_select)
:name: AUDIO_BILINGUAL_CHANNEL_SELECT
.. c:macro:: AUDIO_BILINGUAL_CHANNEL_SELECT
``int ioctl(int fd, AUDIO_BILINGUAL_CHANNEL_SELECT, struct audio_channel_select *select)``
Arguments
---------
......@@ -39,7 +40,6 @@ Arguments
- Select the output format of the audio (mono left/right, stereo).
Description
-----------
......@@ -50,7 +50,6 @@ for MPEG decoders controlled through V4L2.
This ioctl call asks the Audio Device to select the requested channel
for bilingual streams if possible.
Return Value
------------
......
Documentation/userspace-api/media/dvb/audio-channel-select.rst
View file @ 54a4c789
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.audio
.. _AUDIO_CHANNEL_SELECT:
......@@ -16,9 +17,9 @@ AUDIO_CHANNEL_SELECT
Synopsis
--------
.. c:function:: int ioctl(int fd, AUDIO_CHANNEL_SELECT, struct *audio_channel_select)
:name: AUDIO_CHANNEL_SELECT
.. c:macro:: AUDIO_CHANNEL_SELECT
``int ioctl(int fd, AUDIO_CHANNEL_SELECT, struct audio_channel_select *select)``
Arguments
---------
......@@ -27,7 +28,6 @@ Arguments
:header-rows: 0
:stub-columns: 0
-
- int fd
......@@ -40,7 +40,6 @@ Arguments
- Select the output format of the audio (mono left/right, stereo).
Description
-----------
......@@ -50,7 +49,6 @@ V4L2 ``V4L2_CID_MPEG_AUDIO_DEC_PLAYBACK`` control instead.
This ioctl call asks the Audio Device to select the requested channel if
possible.
Return Value
------------
......
Documentation/userspace-api/media/dvb/audio-clear-buffer.rst
View file @ 54a4c789
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.audio
.. _AUDIO_CLEAR_BUFFER:
......@@ -16,8 +17,9 @@ AUDIO_CLEAR_BUFFER
Synopsis
--------
.. c:function:: int ioctl(int fd, AUDIO_CLEAR_BUFFER)
:name: AUDIO_CLEAR_BUFFER
.. c:macro:: AUDIO_CLEAR_BUFFER
``int ioctl(int fd, AUDIO_CLEAR_BUFFER)``
Arguments
---------
......@@ -26,7 +28,6 @@ Arguments
:header-rows: 0
:stub-columns: 0
- .. row 1
- int fd
......@@ -39,7 +40,6 @@ Description
This ioctl call asks the Audio Device to clear all software and hardware
buffers of the audio decoder device.
Return Value
------------
......
Documentation/userspace-api/media/dvb/audio-continue.rst
View file @ 54a4c789
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.audio
.. _AUDIO_CONTINUE:
......@@ -16,9 +17,9 @@ AUDIO_CONTINUE
Synopsis
--------
.. c:function:: int ioctl(int fd, AUDIO_CONTINUE)
:name: AUDIO_CONTINUE
.. c:macro:: AUDIO_CONTINUE
``int ioctl(int fd, AUDIO_CONTINUE)``
Arguments
---------
......@@ -27,7 +28,6 @@ Arguments
:header-rows: 0
:stub-columns: 0
- .. row 1
- int fd
......@@ -40,7 +40,6 @@ Description
This ioctl restarts the decoding and playing process previously paused
with AUDIO_PAUSE command.
Return Value
------------
......
Documentation/userspace-api/media/dvb/audio-fclose.rst
View file @ 54a4c789
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.audio
.. _audio_fclose:
......@@ -17,8 +18,6 @@ Synopsis
--------
.. c:function:: int close(int fd)
:name: dvb-audio-close
Arguments
---------
......@@ -27,20 +26,17 @@ Arguments
:header-rows: 0
:stub-columns: 0
- .. row 1
- int fd
- File descriptor returned by a previous call to open().
Description
-----------
This system call closes a previously opened audio device.
Return Value
------------
......@@ -48,7 +44,6 @@ Return Value
:header-rows: 0
:stub-columns: 0
- .. row 1
- ``EBADF``
......
Documentation/userspace-api/media/dvb/audio-fopen.rst
View file @ 54a4c789
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.audio
.. _audio_fopen:
......@@ -17,8 +18,6 @@ Synopsis
--------
.. c:function:: int open(const char *deviceName, int flags)
:name: dvb-audio-open
Arguments
---------
......@@ -27,7 +26,6 @@ Arguments
:header-rows: 0
:stub-columns: 0
- .. row 1
- const char \*deviceName
......@@ -60,7 +58,6 @@ Arguments
-
- (blocking mode is the default)
Description
-----------
......@@ -78,7 +75,6 @@ fail, and an error code will be returned. If the Audio Device is opened
in O_RDONLY mode, the only ioctl call that can be used is
AUDIO_GET_STATUS. All other call will return with an error code.
Return Value
------------
......@@ -88,7 +84,6 @@ Return Value
:header-rows: 0
:stub-columns: 0
- .. row 1
- ``ENODEV``
......
Documentation/userspace-api/media/dvb/audio-fwrite.rst
View file @ 54a4c789
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.audio
.. _audio_fwrite:
......@@ -17,8 +18,6 @@ Synopsis
--------
.. c:function:: size_t write(int fd, const void *buf, size_t count)
:name: dvb-audio-write
Arguments
---------
......@@ -27,7 +26,6 @@ Arguments
:header-rows: 0
:stub-columns: 0
- .. row 1
- int fd
......@@ -46,7 +44,6 @@ Arguments
- Size of buf.
Description
-----------
......@@ -56,7 +53,6 @@ PES format. If O_NONBLOCK is not specified the function will block
until buffer space is available. The amount of data to be transferred is
implied by count.
Return Value
------------
......@@ -64,7 +60,6 @@ Return Value
:header-rows: 0
:stub-columns: 0
- .. row 1
- ``EPERM``
......
Documentation/userspace-api/media/dvb/audio-get-capabilities.rst
View file @ 54a4c789
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.audio
.. _AUDIO_GET_CAPABILITIES:
......@@ -16,9 +17,9 @@ AUDIO_GET_CAPABILITIES
Synopsis
--------
.. c:function:: int ioctl(int fd, AUDIO_GET_CAPABILITIES, unsigned int *cap)
:name: AUDIO_GET_CAPABILITIES
.. c:macro:: AUDIO_GET_CAPABILITIES
``int ioctl(int fd, AUDIO_GET_CAPABILITIES, unsigned int *cap)``
Arguments
---------
......@@ -27,7 +28,6 @@ Arguments
:header-rows: 0
:stub-columns: 0
-
- int fd
......@@ -40,14 +40,12 @@ Arguments
- Returns a bit array of supported sound formats.
Description
-----------
This ioctl call asks the Audio Device to tell us about the decoding
capabilities of the audio hardware.
Return Value
------------
......
Documentation/userspace-api/media/dvb/audio-get-status.rst
View file @ 54a4c789
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.audio
.. _AUDIO_GET_STATUS:
......@@ -16,9 +17,9 @@ AUDIO_GET_STATUS
Synopsis
--------
.. c:function:: int ioctl(int fd, AUDIO_GET_STATUS, struct audio_status *status)
:name: AUDIO_GET_STATUS
.. c:macro:: AUDIO_GET_STATUS
``int ioctl(int fd, AUDIO_GET_STATUS, struct audio_status *status)``
Arguments
---------
......@@ -27,7 +28,6 @@ Arguments
:header-rows: 0
:stub-columns: 0
-
- int fd
......@@ -40,14 +40,12 @@ Arguments
- Returns the current state of Audio Device.
Description
-----------
This ioctl call asks the Audio Device to return the current state of the
Audio Device.
Return Value
------------
......
Documentation/userspace-api/media/dvb/audio-pause.rst
View file @ 54a4c789
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.audio
.. _AUDIO_PAUSE:
......@@ -16,8 +17,9 @@ AUDIO_PAUSE
Synopsis
--------
.. c:function:: int ioctl(int fd, AUDIO_PAUSE)
:name: AUDIO_PAUSE
.. c:macro:: AUDIO_PAUSE
``int ioctl(int fd, AUDIO_PAUSE)``
Arguments
---------
......@@ -26,14 +28,12 @@ Arguments
:header-rows: 0
:stub-columns: 0
- .. row 1
- int fd
- File descriptor returned by a previous call to open().
Description
-----------
......@@ -41,7 +41,6 @@ This ioctl call suspends the audio stream being played. Decoding and
playing are paused. It is then possible to restart again decoding and
playing process of the audio stream using AUDIO_CONTINUE command.
Return Value
------------
......
Documentation/userspace-api/media/dvb/audio-play.rst
View file @ 54a4c789
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.audio
.. _AUDIO_PLAY:
......@@ -16,9 +17,9 @@ AUDIO_PLAY
Synopsis
--------
.. c:function:: int ioctl(int fd, AUDIO_PLAY)
:name: AUDIO_PLAY
.. c:macro:: AUDIO_PLAY
``int ioctl(int fd, AUDIO_PLAY)``
Arguments
---------
......@@ -27,7 +28,6 @@ Arguments
:header-rows: 0
:stub-columns: 0
- .. row 1
- int fd
......@@ -40,7 +40,6 @@ Description
This ioctl call asks the Audio Device to start playing an audio stream
from the selected source.
Return Value
------------
......
Documentation/userspace-api/media/dvb/audio-select-source.rst
View file @ 54a4c789
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.audio
.. _AUDIO_SELECT_SOURCE:
......@@ -16,9 +17,9 @@ AUDIO_SELECT_SOURCE
Synopsis
--------
.. c:function:: int ioctl(int fd, AUDIO_SELECT_SOURCE, struct audio_stream_source *source)
:name: AUDIO_SELECT_SOURCE
.. c:macro:: AUDIO_SELECT_SOURCE
``int ioctl(int fd, AUDIO_SELECT_SOURCE, struct audio_stream_source *source)``
Arguments
---------
......@@ -27,7 +28,6 @@ Arguments
:header-rows: 0
:stub-columns: 0
-
- int fd
......@@ -40,7 +40,6 @@ Arguments
- Indicates the source that shall be used for the Audio stream.
Description
-----------
......@@ -49,7 +48,6 @@ the input data. The possible sources are demux or memory. If
AUDIO_SOURCE_MEMORY is selected, the data is fed to the Audio Device
through the write command.
Return Value
------------
......
Documentation/userspace-api/media/dvb/audio-set-av-sync.rst
View file @ 54a4c789
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.audio
.. _AUDIO_SET_AV_SYNC:
......@@ -16,9 +17,9 @@ AUDIO_SET_AV_SYNC
Synopsis
--------
.. c:function:: int ioctl(int fd, AUDIO_SET_AV_SYNC, boolean state)
:name: AUDIO_SET_AV_SYNC
.. c:macro:: AUDIO_SET_AV_SYNC
``int ioctl(int fd, AUDIO_SET_AV_SYNC, boolean state)``
Arguments
---------
......@@ -27,7 +28,6 @@ Arguments
:header-rows: 0
:stub-columns: 0
-
- int fd
......@@ -44,14 +44,12 @@ Arguments
FALSE: AV-sync OFF
Description
-----------
This ioctl call asks the Audio Device to turn ON or OFF A/V
synchronization.
Return Value
------------
......
Documentation/userspace-api/media/dvb/audio-set-bypass-mode.rst
View file @ 54a4c789
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.audio
.. _AUDIO_SET_BYPASS_MODE:
......@@ -16,8 +17,9 @@ AUDIO_SET_BYPASS_MODE
Synopsis
--------
.. c:function:: int ioctl(int fd, AUDIO_SET_BYPASS_MODE, boolean mode)
:name: AUDIO_SET_BYPASS_MODE
.. c:macro:: AUDIO_SET_BYPASS_MODE
``int ioctl(int fd, AUDIO_SET_BYPASS_MODE, boolean mode)``
Arguments
---------
......@@ -26,7 +28,6 @@ Arguments
:header-rows: 0
:stub-columns: 0
-
- int fd
......@@ -44,7 +45,6 @@ Arguments
FALSE: Bypass is enabled
Description
-----------
......@@ -54,7 +54,6 @@ that can’t be handled by the Digital TV system shall be decoded. Dolby
DigitalTM streams are automatically forwarded by the Digital TV subsystem if
the hardware can handle it.
Return Value
------------
......
Documentation/userspace-api/media/dvb/audio-set-id.rst
View file @ 54a4c789
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.audio
.. _AUDIO_SET_ID:
......@@ -16,8 +17,9 @@ AUDIO_SET_ID
Synopsis
--------
.. c:function:: int ioctl(int fd, AUDIO_SET_ID, int id)
:name: AUDIO_SET_ID
.. c:macro:: AUDIO_SET_ID
``int ioctl(int fd, AUDIO_SET_ID, int id)``
Arguments
---------
......@@ -26,7 +28,6 @@ Arguments
:header-rows: 0
:stub-columns: 0
-
- int fd
......@@ -39,7 +40,6 @@ Arguments
- audio sub-stream id
Description
-----------
......@@ -51,7 +51,6 @@ other stream types. If the stream type is set the id just specifies the
substream id of the audio stream and only the first 5 bits are
recognized.
Return Value
------------
......
Documentation/userspace-api/media/dvb/audio-set-mixer.rst
View file @ 54a4c789
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.audio
.. _AUDIO_SET_MIXER:
......@@ -16,8 +17,9 @@ AUDIO_SET_MIXER
Synopsis
--------
.. c:function:: int ioctl(int fd, AUDIO_SET_MIXER, struct audio_mixer *mix)
:name: AUDIO_SET_MIXER
.. c:macro:: AUDIO_SET_MIXER
``int ioctl(int fd, AUDIO_SET_MIXER, struct audio_mixer *mix)``
Arguments
---------
......@@ -26,7 +28,6 @@ Arguments
:header-rows: 0
:stub-columns: 0
-
- int fd
......@@ -39,13 +40,11 @@ Arguments
- mixer settings.
Description
-----------
This ioctl lets you adjust the mixer settings of the audio decoder.
Return Value
------------
......
Documentation/userspace-api/media/dvb/audio-set-mute.rst
View file @ 54a4c789
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.audio
.. _AUDIO_SET_MUTE:
......@@ -16,9 +17,9 @@ AUDIO_SET_MUTE
Synopsis
--------
.. c:function:: int ioctl(int fd, AUDIO_SET_MUTE, boolean state)
:name: AUDIO_SET_MUTE
.. c:macro:: AUDIO_SET_MUTE
``int ioctl(int fd, AUDIO_SET_MUTE, boolean state)``
Arguments
---------
......@@ -27,7 +28,6 @@ Arguments
:header-rows: 0
:stub-columns: 0
-
- int fd
......@@ -44,7 +44,6 @@ Arguments
FALSE: Audio Un-mute
Description
-----------
......@@ -55,7 +54,6 @@ V4L2 :ref:`VIDIOC_DECODER_CMD` with the
This ioctl call asks the audio device to mute the stream that is
currently being played.
Return Value
------------
......
Documentation/userspace-api/media/dvb/audio-set-streamtype.rst
View file @ 54a4c789
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.audio
.. _AUDIO_SET_STREAMTYPE:
......@@ -16,9 +17,9 @@ AUDIO_SET_STREAMTYPE
Synopsis
--------
.. c:function:: int ioctl(fd, AUDIO_SET_STREAMTYPE, int type)
:name: AUDIO_SET_STREAMTYPE
.. c:macro:: AUDIO_SET_STREAMTYPE
``int ioctl(fd, AUDIO_SET_STREAMTYPE, int type)``
Arguments
---------
......@@ -27,7 +28,6 @@ Arguments
:header-rows: 0
:stub-columns: 0
-
- int fd
......@@ -40,7 +40,6 @@ Arguments
- stream type
Description
-----------
......@@ -48,7 +47,6 @@ This ioctl tells the driver which kind of audio stream to expect. This
is useful if the stream offers several audio sub-streams like LPCM and
AC3.
Return Value
------------
......@@ -57,12 +55,10 @@ appropriately. The generic error codes are described at the
:ref:`Generic Error Codes <gen-errors>` chapter.
.. flat-table::
:header-rows: 0
:stub-columns: 0
- .. row 1
- ``EINVAL``
......
Documentation/userspace-api/media/dvb/audio-stop.rst
View file @ 54a4c789
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.audio
.. _AUDIO_STOP:
......@@ -16,8 +17,9 @@ AUDIO_STOP
Synopsis
--------
.. c:function:: int ioctl(int fd, AUDIO_STOP)
:name: AUDIO_STOP
.. c:macro:: AUDIO_STOP
``int ioctl(int fd, AUDIO_STOP)``
Arguments
---------
......@@ -26,21 +28,18 @@ Arguments
:header-rows: 0
:stub-columns: 0
- .. row 1
- int fd
- File descriptor returned by a previous call to open().
Description
-----------
This ioctl call asks the Audio Device to stop playing the current
stream.
Return Value
------------
......
Documentation/userspace-api/media/dvb/ca-fclose.rst
View file @ 54a4c789
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.ca
.. _ca_fclose:
......@@ -11,26 +12,22 @@ Name
Digital TV CA close()
Synopsis
--------
.. c:function:: int close(int fd)
:name: dvb-ca-close
Arguments
---------
``fd``
File descriptor returned by a previous call to :c:func:`open() <dvb-ca-open>`.
File descriptor returned by a previous call to :c:func:`open()`.
Description
-----------
This system call closes a previously opened CA device.
Return Value
------------
......
Documentation/userspace-api/media/dvb/ca-fopen.rst
View file @ 54a4c789
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.ca
.. _ca_fopen:
......@@ -11,13 +12,10 @@ Name
Digital TV CA open()
Synopsis
--------
.. c:function:: int open(const char *name, int flags)
:name: dvb-ca-open
Arguments
---------
......@@ -45,7 +43,6 @@ Arguments
- open in non-blocking mode
(blocking mode is the default)
Description
-----------
......@@ -63,11 +60,9 @@ Only one user can open the CA Device in ``O_RDWR`` mode. All other
attempts to open the device in this mode will fail, and an error code
will be returned.
Return Value
------------
On success 0 is returned.
On error -1 is returned, and the ``errno`` variable is set
......
Documentation/userspace-api/media/dvb/ca-get-cap.rst
View file @ 54a4c789
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.ca
.. _CA_GET_CAP:
......@@ -11,19 +12,18 @@ Name
CA_GET_CAP
Synopsis
--------
.. c:function:: int ioctl(fd, CA_GET_CAP, struct ca_caps *caps)
:name: CA_GET_CAP
.. c:macro:: CA_GET_CAP
``int ioctl(fd, CA_GET_CAP, struct ca_caps *caps)``
Arguments
---------
``fd``
File descriptor returned by a previous call to :c:func:`open() <dvb-ca-open>`.
File descriptor returned by a previous call to :c:func:`open()`.
``caps``
Pointer to struct :c:type:`ca_caps`.
......
Documentation/userspace-api/media/dvb/ca-get-descr-info.rst
View file @ 54a4c789
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.ca
.. _CA_GET_DESCR_INFO:
......@@ -11,18 +12,18 @@ Name
CA_GET_DESCR_INFO
Synopsis
--------
.. c:function:: int ioctl(fd, CA_GET_DESCR_INFO, struct ca_descr_info *desc)
:name: CA_GET_DESCR_INFO
.. c:macro:: CA_GET_DESCR_INFO
``int ioctl(fd, CA_GET_DESCR_INFO, struct ca_descr_info *desc)``
Arguments
---------
``fd``
File descriptor returned by a previous call to :c:func:`open() <dvb-ca-open>`.
File descriptor returned by a previous call to :c:func:`open()`.
``desc``
Pointer to struct :c:type:`ca_descr_info`.
......
Documentation/userspace-api/media/dvb/ca-get-msg.rst
View file @ 54a4c789
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.ca
.. _CA_GET_MSG:
......@@ -11,19 +12,18 @@ Name
CA_GET_MSG
Synopsis
--------
.. c:function:: int ioctl(fd, CA_GET_MSG, struct ca_msg *msg)
:name: CA_GET_MSG
.. c:macro:: CA_GET_MSG
``int ioctl(fd, CA_GET_MSG, struct ca_msg *msg)``
Arguments
---------
``fd``
File descriptor returned by a previous call to :c:func:`open() <dvb-ca-open>`.
File descriptor returned by a previous call to :c:func:`open()`.
``msg``
Pointer to struct :c:type:`ca_msg`.
......@@ -38,11 +38,9 @@ Receives a message via a CI CA module.
Please notice that, on most drivers, this is done by reading from
the /dev/adapter?/ca? device node.
Return Value
------------
On success 0 is returned.
On error -1 is returned, and the ``errno`` variable is set
......
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