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1# -*- coding: utf-8 -*-
2#
3# The Linux Kernel documentation build configuration file, created by
4# sphinx-quickstart on Fri Feb 12 13:51:46 2016.
5#
6# This file is execfile()d with the current directory set to its
7# containing dir.
8#
9# Note that not all possible configuration values are present in this
10# autogenerated file.
11#
12# All configuration values have a default; values that are commented out
13# serve to show the default.
14
15import sys
16import os
d4fe7e14 17import sphinx
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18import shutil
19
20# helper
21# ------
22
23def have_command(cmd):
24 """Search ``cmd`` in the ``PATH`` environment.
25
26 If found, return True.
27 If not found, return False.
28 """
29 return shutil.which(cmd) is not None
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30
31# Get Sphinx version
c46988ae 32major, minor, patch = sphinx.version_info[:3]
d4fe7e14 33
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34#
35# Warn about older versions that we don't want to support for much
36# longer.
37#
38if (major < 2) or (major == 2 and minor < 4):
39 print('WARNING: support for Sphinx < 2.4 will be removed soon.')
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40
41# If extensions (or modules to document with autodoc) are in another directory,
42# add these directories to sys.path here. If the directory is relative to the
43# documentation root, use os.path.abspath to make it absolute, like shown here.
24dcdeb2 44sys.path.insert(0, os.path.abspath('sphinx'))
606b9ac8 45from load_config import loadConfig
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46
47# -- General configuration ------------------------------------------------
48
49# If your documentation needs a minimal Sphinx version, state it here.
3e893e16 50needs_sphinx = '2.4.4'
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51
52# Add any Sphinx extension module names here, as strings. They can be
53# extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
54# ones.
afde706a 55extensions = ['kerneldoc', 'rstFlatTable', 'kernel_include',
aa204855 56 'kfigure', 'sphinx.ext.ifconfig', 'automarkup',
a7ee04b3 57 'maintainers_include', 'sphinx.ext.autosectionlabel',
7418ec5b 58 'kernel_abi', 'kernel_feat', 'translations']
22cba31b 59
afde706a 60if major >= 3:
d29f34c0 61 if (major > 3) or (minor > 0 or patch >= 2):
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62 # Sphinx c function parser is more pedantic with regards to type
63 # checking. Due to that, having macros at c:function cause problems.
64 # Those needed to be scaped by using c_id_attributes[] array
65 c_id_attributes = [
66 # GCC Compiler types not parsed by Sphinx:
67 "__restrict__",
68
69 # include/linux/compiler_types.h:
70 "__iomem",
71 "__kernel",
72 "noinstr",
73 "notrace",
74 "__percpu",
75 "__rcu",
76 "__user",
34d9f62e 77 "__force",
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78
79 # include/linux/compiler_attributes.h:
80 "__alias",
81 "__aligned",
82 "__aligned_largest",
83 "__always_inline",
84 "__assume_aligned",
85 "__cold",
86 "__attribute_const__",
87 "__copy",
88 "__pure",
89 "__designated_init",
90 "__visible",
91 "__printf",
92 "__scanf",
93 "__gnu_inline",
94 "__malloc",
95 "__mode",
96 "__no_caller_saved_registers",
97 "__noclone",
98 "__nonstring",
99 "__noreturn",
100 "__packed",
101 "__pure",
102 "__section",
103 "__always_unused",
104 "__maybe_unused",
105 "__used",
106 "__weak",
107 "noinline",
5479d6d4 108 "__fix_address",
eeddfa5b 109 "__counted_by",
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110
111 # include/linux/memblock.h:
112 "__init_memblock",
113 "__meminit",
114
115 # include/linux/init.h:
116 "__init",
117 "__ref",
118
119 # include/linux/linkage.h:
120 "asmlinkage",
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121
122 # include/linux/btf.h
123 "__bpf_kfunc",
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124 ]
125
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126else:
127 extensions.append('cdomain')
128
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129# Ensure that autosectionlabel will produce unique names
130autosectionlabel_prefix_document = True
131autosectionlabel_maxdepth = 2
132
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133# Load math renderer:
134# For html builder, load imgmath only when its dependencies are met.
135# mathjax is the default math renderer since Sphinx 1.8.
136have_latex = have_command('latex')
137have_dvipng = have_command('dvipng')
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138load_imgmath = have_latex and have_dvipng
139
140# Respect SPHINX_IMGMATH (for html docs only)
141if 'SPHINX_IMGMATH' in os.environ:
142 env_sphinx_imgmath = os.environ['SPHINX_IMGMATH']
143 if 'yes' in env_sphinx_imgmath:
144 load_imgmath = True
145 elif 'no' in env_sphinx_imgmath:
146 load_imgmath = False
147 else:
148 sys.stderr.write("Unknown env SPHINX_IMGMATH=%s ignored.\n" % env_sphinx_imgmath)
149
150# Always load imgmath for Sphinx <1.8 or for epub docs
151load_imgmath = (load_imgmath or (major == 1 and minor < 8)
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152 or 'epub' in sys.argv)
153
154if load_imgmath:
155 extensions.append("sphinx.ext.imgmath")
156 math_renderer = 'imgmath'
157else:
158 math_renderer = 'mathjax'
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159
160# Add any paths that contain templates here, relative to this directory.
c404f5d4 161templates_path = ['sphinx/templates']
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162
163# The suffix(es) of source filenames.
164# You can specify multiple suffix as a list of string:
165# source_suffix = ['.rst', '.md']
166source_suffix = '.rst'
167
168# The encoding of source files.
169#source_encoding = 'utf-8-sig'
170
171# The master toctree document.
172master_doc = 'index'
173
174# General information about the project.
175project = 'The Linux Kernel'
dc36143f 176copyright = 'The kernel development community'
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177author = 'The kernel development community'
178
179# The version info for the project you're documenting, acts as replacement for
180# |version| and |release|, also used in various other places throughout the
181# built documents.
182#
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183# In a normal build, version and release are are set to KERNELVERSION and
184# KERNELRELEASE, respectively, from the Makefile via Sphinx command line
185# arguments.
186#
187# The following code tries to extract the information by reading the Makefile,
188# when Sphinx is run directly (e.g. by Read the Docs).
189try:
190 makefile_version = None
191 makefile_patchlevel = None
192 for line in open('../Makefile'):
193 key, val = [x.strip() for x in line.split('=', 2)]
194 if key == 'VERSION':
195 makefile_version = val
196 elif key == 'PATCHLEVEL':
197 makefile_patchlevel = val
198 if makefile_version and makefile_patchlevel:
199 break
200except:
201 pass
202finally:
203 if makefile_version and makefile_patchlevel:
204 version = release = makefile_version + '.' + makefile_patchlevel
205 else:
c13ce448 206 version = release = "unknown version"
22cba31b 207
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208#
209# HACK: there seems to be no easy way for us to get at the version and
210# release information passed in from the makefile...so go pawing through the
211# command-line options and find it for ourselves.
212#
213def get_cline_version():
214 c_version = c_release = ''
215 for arg in sys.argv:
216 if arg.startswith('version='):
217 c_version = arg[8:]
218 elif arg.startswith('release='):
219 c_release = arg[8:]
220 if c_version:
221 if c_release:
222 return c_version + '-' + c_release
223 return c_version
224 return version # Whatever we came up with before
225
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226# The language for content autogenerated by Sphinx. Refer to documentation
227# for a list of supported languages.
228#
229# This is also used if you do content translation via gettext catalogs.
230# Usually you set "language" from the command line for these cases.
627f01ea 231language = 'en'
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232
233# There are two options for replacing |today|: either, you set today to some
234# non-false value, then it is used:
235#today = ''
236# Else, today_fmt is used as the format for a strftime call.
237#today_fmt = '%B %d, %Y'
238
239# List of patterns, relative to source directory, that match files and
240# directories to ignore when looking for source files.
241exclude_patterns = ['output']
242
243# The reST default role (used for this markup: `text`) to use for all
244# documents.
245#default_role = None
246
247# If true, '()' will be appended to :func: etc. cross-reference text.
248#add_function_parentheses = True
249
250# If true, the current module name will be prepended to all description
251# unit titles (such as .. function::).
252#add_module_names = True
253
254# If true, sectionauthor and moduleauthor directives will be shown in the
255# output. They are ignored by default.
256#show_authors = False
257
258# The name of the Pygments (syntax highlighting) style to use.
259pygments_style = 'sphinx'
260
261# A list of ignored prefixes for module index sorting.
262#modindex_common_prefix = []
263
264# If true, keep warnings as "system message" paragraphs in the built documents.
265#keep_warnings = False
266
267# If true, `todo` and `todoList` produce output, else they produce nothing.
268todo_include_todos = False
269
fd5d6669 270primary_domain = 'c'
b459106e 271highlight_language = 'none'
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272
273# -- Options for HTML output ----------------------------------------------
274
275# The theme to use for HTML and HTML Help pages. See the documentation for
276# a list of builtin themes.
277
fca7216b 278# Default theme
d5389d31 279html_theme = 'alabaster'
135707d3 280html_css_files = []
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281
282if "DOCS_THEME" in os.environ:
283 html_theme = os.environ["DOCS_THEME"]
284
a6fb8b5a 285if html_theme == 'sphinx_rtd_theme' or html_theme == 'sphinx_rtd_dark_mode':
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286 # Read the Docs theme
287 try:
288 import sphinx_rtd_theme
289 html_theme_path = [sphinx_rtd_theme.get_html_theme_path()]
290
291 # Add any paths that contain custom static files (such as style sheets) here,
292 # relative to this directory. They are copied after the builtin static files,
293 # so a file named "default.css" will overwrite the builtin "default.css".
294 html_css_files = [
295 'theme_overrides.css',
296 ]
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297
298 # Read the Docs dark mode override theme
299 if html_theme == 'sphinx_rtd_dark_mode':
300 try:
301 import sphinx_rtd_dark_mode
302 extensions.append('sphinx_rtd_dark_mode')
303 except ImportError:
304 html_theme == 'sphinx_rtd_theme'
305
306 if html_theme == 'sphinx_rtd_theme':
307 # Add color-specific RTD normal mode
308 html_css_files.append('theme_rtd_colors.css')
309
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310 html_theme_options = {
311 'navigation_depth': -1,
312 }
313
fca7216b 314 except ImportError:
02d33e86 315 html_theme = 'alabaster'
fca7216b 316
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317if "DOCS_CSS" in os.environ:
318 css = os.environ["DOCS_CSS"].split(" ")
319
320 for l in css:
321 html_css_files.append(l)
322
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323if major <= 1 and minor < 8:
324 html_context = {
325 'css_files': [],
326 }
327
328 for l in html_css_files:
329 html_context['css_files'].append('_static/' + l)
330
02d33e86 331if html_theme == 'alabaster':
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332 html_theme_options = {
333 'description': get_cline_version(),
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334 'page_width': '65em',
335 'sidebar_width': '15em',
c404f5d4 336 'fixed_sidebar': 'true',
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337 'font_size': 'inherit',
338 'font_family': 'serif',
d5389d31 339 }
ffc901b4 340
fca7216b 341sys.stderr.write("Using %s theme\n" % html_theme)
22cba31b 342
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343# Add any paths that contain custom static files (such as style sheets) here,
344# relative to this directory. They are copied after the builtin static files,
345# so a file named "default.css" will overwrite the builtin "default.css".
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346html_static_path = ['sphinx-static']
347
eaae7575 348# If true, Docutils "smart quotes" will be used to convert quotes and dashes
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349# to typographically correct entities. However, conversion of "--" to "—"
350# is not always what we want, so enable only quotes.
351smartquotes_action = 'q'
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352
353# Custom sidebar templates, maps document names to template names.
d5389d31 354# Note that the RTD theme ignores this
c404f5d4 355html_sidebars = { '**': ['searchbox.html', 'kernel-toc.html', 'sourcelink.html']}
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356
357# about.html is available for alabaster theme. Add it at the front.
358if html_theme == 'alabaster':
359 html_sidebars['**'].insert(0, 'about.html')
22cba31b 360
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361# The name of an image file (relative to this directory) to place at the top
362# of the sidebar.
363html_logo = 'images/logo.svg'
364
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365# Output file base name for HTML help builder.
366htmlhelp_basename = 'TheLinuxKerneldoc'
367
368# -- Options for LaTeX output ---------------------------------------------
369
370latex_elements = {
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371 # The paper size ('letterpaper' or 'a4paper').
372 'papersize': 'a4paper',
22cba31b 373
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374 # The font size ('10pt', '11pt' or '12pt').
375 'pointsize': '11pt',
22cba31b 376
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377 # Latex figure (float) alignment
378 #'figure_align': 'htbp',
caee5cde 379
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380 # Don't mangle with UTF-8 chars
381 'inputenc': '',
382 'utf8extra': '',
a682ec4b 383
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384 # Set document margins
385 'sphinxsetup': '''
386 hmargin=0.5in, vmargin=1in,
387 parsedliteralwraps=true,
388 verbatimhintsturnover=false,
389 ''',
390
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391 #
392 # Some of our authors are fond of deep nesting; tell latex to
393 # cope.
394 #
395 'maxlistdepth': '10',
396
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397 # For CJK One-half spacing, need to be in front of hyperref
398 'extrapackages': r'\usepackage{setspace}',
399
3b4c9632 400 # Additional stuff for the LaTeX preamble.
caee5cde 401 'preamble': '''
3b4c9632 402 % Use some font with UTF-8 support with XeLaTeX
9fdcd6af 403 \\usepackage{fontspec}
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404 \\setsansfont{DejaVu Sans}
405 \\setromanfont{DejaVu Serif}
9fdcd6af 406 \\setmonofont{DejaVu Sans Mono}
398f7abd 407 ''',
e0de2b59 408}
9fdcd6af 409
9fdcd6af 410# Fix reference escape troubles with Sphinx 1.4.x
f546ff0c 411if major == 1:
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412 latex_elements['preamble'] += '\\renewcommand*{\\DUrole}[2]{ #2 }\n'
413
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414
415# Load kerneldoc specific LaTeX settings
416latex_elements['preamble'] += '''
417 % Load kerneldoc specific LaTeX settings
418 \\input{kerneldoc-preamble.sty}
419'''
420
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421# With Sphinx 1.6, it is possible to change the Bg color directly
422# by using:
423# \definecolor{sphinxnoteBgColor}{RGB}{204,255,255}
424# \definecolor{sphinxwarningBgColor}{RGB}{255,204,204}
425# \definecolor{sphinxattentionBgColor}{RGB}{255,255,204}
426# \definecolor{sphinximportantBgColor}{RGB}{192,255,204}
427#
428# However, it require to use sphinx heavy box with:
429#
430# \renewenvironment{sphinxlightbox} {%
431# \\begin{sphinxheavybox}
432# }
433# \\end{sphinxheavybox}
434# }
435#
436# Unfortunately, the implementation is buggy: if a note is inside a
437# table, it isn't displayed well. So, for now, let's use boring
438# black and white notes.
633d612b 439
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440# Grouping the document tree into LaTeX files. List of tuples
441# (source start file, target name, title,
442# author, documentclass [howto, manual, or own class]).
c2b563d8 443# Sorted in alphabetical order
22cba31b 444latex_documents = [
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445]
446
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447# Add all other index files from Documentation/ subdirectories
448for fn in os.listdir('.'):
449 doc = os.path.join(fn, "index")
450 if os.path.exists(doc + ".rst"):
451 has = False
452 for l in latex_documents:
453 if l[0] == doc:
454 has = True
455 break
456 if not has:
457 latex_documents.append((doc, fn + '.tex',
458 'Linux %s Documentation' % fn.capitalize(),
459 'The kernel development community',
460 'manual'))
461
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462# The name of an image file (relative to this directory) to place at the top of
463# the title page.
464#latex_logo = None
465
466# For "manual" documents, if this is true, then toplevel headings are parts,
467# not chapters.
468#latex_use_parts = False
469
470# If true, show page references after internal links.
471#latex_show_pagerefs = False
472
473# If true, show URL addresses after external links.
474#latex_show_urls = False
475
476# Documents to append as an appendix to all manuals.
477#latex_appendices = []
478
479# If false, no module index is generated.
480#latex_domain_indices = True
481
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482# Additional LaTeX stuff to be copied to build directory
483latex_additional_files = [
484 'sphinx/kerneldoc-preamble.sty',
485]
486
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487
488# -- Options for manual page output ---------------------------------------
489
490# One entry per manual page. List of tuples
491# (source start file, name, description, authors, manual section).
492man_pages = [
493 (master_doc, 'thelinuxkernel', 'The Linux Kernel Documentation',
494 [author], 1)
495]
496
497# If true, show URL addresses after external links.
498#man_show_urls = False
499
500
501# -- Options for Texinfo output -------------------------------------------
502
503# Grouping the document tree into Texinfo files. List of tuples
504# (source start file, target name, title, author,
505# dir menu entry, description, category)
506texinfo_documents = [
507 (master_doc, 'TheLinuxKernel', 'The Linux Kernel Documentation',
508 author, 'TheLinuxKernel', 'One line description of project.',
509 'Miscellaneous'),
510]
511
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512# -- Options for Epub output ----------------------------------------------
513
514# Bibliographic Dublin Core info.
515epub_title = project
516epub_author = author
517epub_publisher = author
518epub_copyright = copyright
519
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520# A list of files that should not be packed into the epub file.
521epub_exclude_files = ['search.html']
522
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523#=======
524# rst2pdf
525#
526# Grouping the document tree into PDF files. List of tuples
527# (source start file, target name, title, author, options).
528#
93431e06 529# See the Sphinx chapter of https://ralsina.me/static/manual.pdf
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530#
531# FIXME: Do not add the index file here; the result will be too big. Adding
532# multiple PDF files here actually tries to get the cross-referencing right
533# *between* PDF files.
534pdf_documents = [
520a2477 535 ('kernel-documentation', u'Kernel', u'Kernel', u'J. Random Bozo'),
22cba31b 536]
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537
538# kernel-doc extension configuration for running Sphinx directly (e.g. by Read
539# the Docs). In a normal build, these are supplied from the Makefile via command
540# line arguments.
541kerneldoc_bin = '../scripts/kernel-doc'
542kerneldoc_srctree = '..'
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543
544# ------------------------------------------------------------------------------
545# Since loadConfig overwrites settings from the global namespace, it has to be
546# the last statement in the conf.py file
547# ------------------------------------------------------------------------------
548loadConfig(globals())