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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
17import sphinx
18
19from subprocess import check_output
20
21# Get Sphinx version
22major, minor, patch = sphinx.version_info[:3]
23
24
25# If extensions (or modules to document with autodoc) are in another directory,
26# add these directories to sys.path here. If the directory is relative to the
27# documentation root, use os.path.abspath to make it absolute, like shown here.
28sys.path.insert(0, os.path.abspath('sphinx'))
29from load_config import loadConfig
30
31# -- General configuration ------------------------------------------------
32
33# If your documentation needs a minimal Sphinx version, state it here.
34needs_sphinx = '1.3'
35
36# Add any Sphinx extension module names here, as strings. They can be
37# extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
38# ones.
39extensions = ['kerneldoc', 'rstFlatTable', 'kernel_include',
40              'kfigure', 'sphinx.ext.ifconfig', 'automarkup',
41              'maintainers_include', 'sphinx.ext.autosectionlabel',
42              'kernel_abi']
43
44#
45# cdomain is badly broken in Sphinx 3+.  Leaving it out generates *most*
46# of the docs correctly, but not all.  Scream bloody murder but allow
47# the process to proceed; hopefully somebody will fix this properly soon.
48#
49if major >= 3:
50    sys.stderr.write('''WARNING: The kernel documentation build process
51        support for Sphinx v3.0 and above is brand new. Be prepared for
52        possible issues in the generated output.
53        ''')
54    if (major > 3) or (minor > 0 or patch >= 2):
55        # Sphinx c function parser is more pedantic with regards to type
56        # checking. Due to that, having macros at c:function cause problems.
57        # Those needed to be scaped by using c_id_attributes[] array
58        c_id_attributes = [
59            # GCC Compiler types not parsed by Sphinx:
60            "__restrict__",
61
62            # include/linux/compiler_types.h:
63            "__iomem",
64            "__kernel",
65            "noinstr",
66            "notrace",
67            "__percpu",
68            "__rcu",
69            "__user",
70
71            # include/linux/compiler_attributes.h:
72            "__alias",
73            "__aligned",
74            "__aligned_largest",
75            "__always_inline",
76            "__assume_aligned",
77            "__cold",
78            "__attribute_const__",
79            "__copy",
80            "__pure",
81            "__designated_init",
82            "__visible",
83            "__printf",
84            "__scanf",
85            "__gnu_inline",
86            "__malloc",
87            "__mode",
88            "__no_caller_saved_registers",
89            "__noclone",
90            "__nonstring",
91            "__noreturn",
92            "__packed",
93            "__pure",
94            "__section",
95            "__always_unused",
96            "__maybe_unused",
97            "__used",
98            "__weak",
99            "noinline",
100
101            # include/linux/memblock.h:
102            "__init_memblock",
103            "__meminit",
104
105            # include/linux/init.h:
106            "__init",
107            "__ref",
108
109            # include/linux/linkage.h:
110            "asmlinkage",
111        ]
112
113else:
114    extensions.append('cdomain')
115
116# Ensure that autosectionlabel will produce unique names
117autosectionlabel_prefix_document = True
118autosectionlabel_maxdepth = 2
119
120# The name of the math extension changed on Sphinx 1.4
121if (major == 1 and minor > 3) or (major > 1):
122    extensions.append("sphinx.ext.imgmath")
123else:
124    extensions.append("sphinx.ext.pngmath")
125
126# Add any paths that contain templates here, relative to this directory.
127templates_path = ['_templates']
128
129# The suffix(es) of source filenames.
130# You can specify multiple suffix as a list of string:
131# source_suffix = ['.rst', '.md']
132source_suffix = '.rst'
133
134# The encoding of source files.
135#source_encoding = 'utf-8-sig'
136
137# The master toctree document.
138master_doc = 'index'
139
140# General information about the project.
141project = 'The Linux Kernel'
142copyright = 'The kernel development community'
143author = 'The kernel development community'
144
145# The version info for the project you're documenting, acts as replacement for
146# |version| and |release|, also used in various other places throughout the
147# built documents.
148#
149# In a normal build, version and release are are set to KERNELVERSION and
150# KERNELRELEASE, respectively, from the Makefile via Sphinx command line
151# arguments.
152#
153# The following code tries to extract the information by reading the Makefile,
154# when Sphinx is run directly (e.g. by Read the Docs).
155try:
156    makefile_version = None
157    makefile_patchlevel = None
158    for line in open('../Makefile'):
159        key, val = [x.strip() for x in line.split('=', 2)]
160        if key == 'VERSION':
161            makefile_version = val
162        elif key == 'PATCHLEVEL':
163            makefile_patchlevel = val
164        if makefile_version and makefile_patchlevel:
165            break
166except:
167    pass
168finally:
169    if makefile_version and makefile_patchlevel:
170        version = release = makefile_version + '.' + makefile_patchlevel
171    else:
172        version = release = "unknown version"
173
174# The language for content autogenerated by Sphinx. Refer to documentation
175# for a list of supported languages.
176#
177# This is also used if you do content translation via gettext catalogs.
178# Usually you set "language" from the command line for these cases.
179language = 'en'
180
181# There are two options for replacing |today|: either, you set today to some
182# non-false value, then it is used:
183#today = ''
184# Else, today_fmt is used as the format for a strftime call.
185#today_fmt = '%B %d, %Y'
186
187# List of patterns, relative to source directory, that match files and
188# directories to ignore when looking for source files.
189exclude_patterns = ['output']
190
191# The reST default role (used for this markup: `text`) to use for all
192# documents.
193#default_role = None
194
195# If true, '()' will be appended to :func: etc. cross-reference text.
196#add_function_parentheses = True
197
198# If true, the current module name will be prepended to all description
199# unit titles (such as .. function::).
200#add_module_names = True
201
202# If true, sectionauthor and moduleauthor directives will be shown in the
203# output. They are ignored by default.
204#show_authors = False
205
206# The name of the Pygments (syntax highlighting) style to use.
207pygments_style = 'sphinx'
208
209# A list of ignored prefixes for module index sorting.
210#modindex_common_prefix = []
211
212# If true, keep warnings as "system message" paragraphs in the built documents.
213#keep_warnings = False
214
215# If true, `todo` and `todoList` produce output, else they produce nothing.
216todo_include_todos = False
217
218primary_domain = 'c'
219highlight_language = 'none'
220
221# -- Options for HTML output ----------------------------------------------
222
223# The theme to use for HTML and HTML Help pages.  See the documentation for
224# a list of builtin themes.
225
226# The Read the Docs theme is available from
227# - https://github.com/snide/sphinx_rtd_theme
228# - https://pypi.python.org/pypi/sphinx_rtd_theme
229# - python-sphinx-rtd-theme package (on Debian)
230try:
231    import sphinx_rtd_theme
232    html_theme = 'sphinx_rtd_theme'
233    html_theme_path = [sphinx_rtd_theme.get_html_theme_path()]
234except ImportError:
235    sys.stderr.write('Warning: The Sphinx \'sphinx_rtd_theme\' HTML theme was not found. Make sure you have the theme installed to produce pretty HTML output. Falling back to the default theme.\n')
236
237# Theme options are theme-specific and customize the look and feel of a theme
238# further.  For a list of options available for each theme, see the
239# documentation.
240#html_theme_options = {}
241
242# Add any paths that contain custom themes here, relative to this directory.
243#html_theme_path = []
244
245# The name for this set of Sphinx documents.  If None, it defaults to
246# "<project> v<release> documentation".
247#html_title = None
248
249# A shorter title for the navigation bar.  Default is the same as html_title.
250#html_short_title = None
251
252# The name of an image file (relative to this directory) to place at the top
253# of the sidebar.
254#html_logo = None
255
256# The name of an image file (within the static path) to use as favicon of the
257# docs.  This file should be a Windows icon file (.ico) being 16x16 or 32x32
258# pixels large.
259#html_favicon = None
260
261# Add any paths that contain custom static files (such as style sheets) here,
262# relative to this directory. They are copied after the builtin static files,
263# so a file named "default.css" will overwrite the builtin "default.css".
264
265html_static_path = ['sphinx-static']
266
267html_context = {
268    'css_files': [
269        '_static/theme_overrides.css',
270    ],
271}
272
273# Add any extra paths that contain custom files (such as robots.txt or
274# .htaccess) here, relative to this directory. These files are copied
275# directly to the root of the documentation.
276#html_extra_path = []
277
278# If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
279# using the given strftime format.
280#html_last_updated_fmt = '%b %d, %Y'
281
282# If true, SmartyPants will be used to convert quotes and dashes to
283# typographically correct entities.
284html_use_smartypants = False
285
286# Custom sidebar templates, maps document names to template names.
287#html_sidebars = {}
288
289# Additional templates that should be rendered to pages, maps page names to
290# template names.
291#html_additional_pages = {}
292
293# If false, no module index is generated.
294#html_domain_indices = True
295
296# If false, no index is generated.
297#html_use_index = True
298
299# If true, the index is split into individual pages for each letter.
300#html_split_index = False
301
302# If true, links to the reST sources are added to the pages.
303#html_show_sourcelink = True
304
305# If true, "Created using Sphinx" is shown in the HTML footer. Default is True.
306#html_show_sphinx = True
307
308# If true, "(C) Copyright ..." is shown in the HTML footer. Default is True.
309#html_show_copyright = True
310
311# If true, an OpenSearch description file will be output, and all pages will
312# contain a <link> tag referring to it.  The value of this option must be the
313# base URL from which the finished HTML is served.
314#html_use_opensearch = ''
315
316# This is the file name suffix for HTML files (e.g. ".xhtml").
317#html_file_suffix = None
318
319# Language to be used for generating the HTML full-text search index.
320# Sphinx supports the following languages:
321#   'da', 'de', 'en', 'es', 'fi', 'fr', 'h', 'it', 'ja'
322#   'nl', 'no', 'pt', 'ro', 'r', 'sv', 'tr'
323#html_search_language = 'en'
324
325# A dictionary with options for the search language support, empty by default.
326# Now only 'ja' uses this config value
327#html_search_options = {'type': 'default'}
328
329# The name of a javascript file (relative to the configuration directory) that
330# implements a search results scorer. If empty, the default will be used.
331#html_search_scorer = 'scorer.js'
332
333# Output file base name for HTML help builder.
334htmlhelp_basename = 'TheLinuxKerneldoc'
335
336# -- Options for LaTeX output ---------------------------------------------
337
338latex_elements = {
339# The paper size ('letterpaper' or 'a4paper').
340'papersize': 'a4paper',
341
342# The font size ('10pt', '11pt' or '12pt').
343'pointsize': '11pt',
344
345# Latex figure (float) alignment
346#'figure_align': 'htbp',
347
348# Don't mangle with UTF-8 chars
349'inputenc': '',
350'utf8extra': '',
351
352# Additional stuff for the LaTeX preamble.
353    'preamble': '''
354	% Use some font with UTF-8 support with XeLaTeX
355        \\usepackage{fontspec}
356        \\setsansfont{DejaVu Sans}
357        \\setromanfont{DejaVu Serif}
358        \\setmonofont{DejaVu Sans Mono}
359     '''
360}
361
362# At least one book (translations) may have Asian characters
363# with are only displayed if xeCJK is used
364
365cjk_cmd = check_output(['fc-list', '--format="%{family[0]}\n"']).decode('utf-8', 'ignore')
366if cjk_cmd.find("Noto Sans CJK SC") >= 0:
367    print ("enabling CJK for LaTeX builder")
368    latex_elements['preamble']  += '''
369	% This is needed for translations
370        \\usepackage{xeCJK}
371        \\setCJKmainfont{Noto Sans CJK SC}
372     '''
373
374# Fix reference escape troubles with Sphinx 1.4.x
375if major == 1 and minor > 3:
376    latex_elements['preamble']  += '\\renewcommand*{\\DUrole}[2]{ #2 }\n'
377
378if major == 1 and minor <= 4:
379    latex_elements['preamble']  += '\\usepackage[margin=0.5in, top=1in, bottom=1in]{geometry}'
380elif major == 1 and (minor > 5 or (minor == 5 and patch >= 3)):
381    latex_elements['sphinxsetup'] = 'hmargin=0.5in, vmargin=1in'
382    latex_elements['preamble']  += '\\fvset{fontsize=auto}\n'
383
384# Customize notice background colors on Sphinx < 1.6:
385if major == 1 and minor < 6:
386   latex_elements['preamble']  += '''
387        \\usepackage{ifthen}
388
389        % Put notes in color and let them be inside a table
390	\\definecolor{NoteColor}{RGB}{204,255,255}
391	\\definecolor{WarningColor}{RGB}{255,204,204}
392	\\definecolor{AttentionColor}{RGB}{255,255,204}
393	\\definecolor{ImportantColor}{RGB}{192,255,204}
394	\\definecolor{OtherColor}{RGB}{204,204,204}
395        \\newlength{\\mynoticelength}
396        \\makeatletter\\newenvironment{coloredbox}[1]{%
397	   \\setlength{\\fboxrule}{1pt}
398	   \\setlength{\\fboxsep}{7pt}
399	   \\setlength{\\mynoticelength}{\\linewidth}
400	   \\addtolength{\\mynoticelength}{-2\\fboxsep}
401	   \\addtolength{\\mynoticelength}{-2\\fboxrule}
402           \\begin{lrbox}{\\@tempboxa}\\begin{minipage}{\\mynoticelength}}{\\end{minipage}\\end{lrbox}%
403	   \\ifthenelse%
404	      {\\equal{\\py@noticetype}{note}}%
405	      {\\colorbox{NoteColor}{\\usebox{\\@tempboxa}}}%
406	      {%
407	         \\ifthenelse%
408	         {\\equal{\\py@noticetype}{warning}}%
409	         {\\colorbox{WarningColor}{\\usebox{\\@tempboxa}}}%
410		 {%
411	            \\ifthenelse%
412	            {\\equal{\\py@noticetype}{attention}}%
413	            {\\colorbox{AttentionColor}{\\usebox{\\@tempboxa}}}%
414		    {%
415	               \\ifthenelse%
416	               {\\equal{\\py@noticetype}{important}}%
417	               {\\colorbox{ImportantColor}{\\usebox{\\@tempboxa}}}%
418	               {\\colorbox{OtherColor}{\\usebox{\\@tempboxa}}}%
419		    }%
420		 }%
421	      }%
422        }\\makeatother
423
424        \\makeatletter
425        \\renewenvironment{notice}[2]{%
426          \\def\\py@noticetype{#1}
427          \\begin{coloredbox}{#1}
428          \\bf\\it
429          \\par\\strong{#2}
430          \\csname py@noticestart@#1\\endcsname
431        }
432	{
433          \\csname py@noticeend@\\py@noticetype\\endcsname
434          \\end{coloredbox}
435        }
436	\\makeatother
437
438     '''
439
440# With Sphinx 1.6, it is possible to change the Bg color directly
441# by using:
442#	\definecolor{sphinxnoteBgColor}{RGB}{204,255,255}
443#	\definecolor{sphinxwarningBgColor}{RGB}{255,204,204}
444#	\definecolor{sphinxattentionBgColor}{RGB}{255,255,204}
445#	\definecolor{sphinximportantBgColor}{RGB}{192,255,204}
446#
447# However, it require to use sphinx heavy box with:
448#
449#	\renewenvironment{sphinxlightbox} {%
450#		\\begin{sphinxheavybox}
451#	}
452#		\\end{sphinxheavybox}
453#	}
454#
455# Unfortunately, the implementation is buggy: if a note is inside a
456# table, it isn't displayed well. So, for now, let's use boring
457# black and white notes.
458
459# Grouping the document tree into LaTeX files. List of tuples
460# (source start file, target name, title,
461#  author, documentclass [howto, manual, or own class]).
462# Sorted in alphabetical order
463latex_documents = [
464]
465
466# Add all other index files from Documentation/ subdirectories
467for fn in os.listdir('.'):
468    doc = os.path.join(fn, "index")
469    if os.path.exists(doc + ".rst"):
470        has = False
471        for l in latex_documents:
472            if l[0] == doc:
473                has = True
474                break
475        if not has:
476            latex_documents.append((doc, fn + '.tex',
477                                    'Linux %s Documentation' % fn.capitalize(),
478                                    'The kernel development community',
479                                    'manual'))
480
481# The name of an image file (relative to this directory) to place at the top of
482# the title page.
483#latex_logo = None
484
485# For "manual" documents, if this is true, then toplevel headings are parts,
486# not chapters.
487#latex_use_parts = False
488
489# If true, show page references after internal links.
490#latex_show_pagerefs = False
491
492# If true, show URL addresses after external links.
493#latex_show_urls = False
494
495# Documents to append as an appendix to all manuals.
496#latex_appendices = []
497
498# If false, no module index is generated.
499#latex_domain_indices = True
500
501
502# -- Options for manual page output ---------------------------------------
503
504# One entry per manual page. List of tuples
505# (source start file, name, description, authors, manual section).
506man_pages = [
507    (master_doc, 'thelinuxkernel', 'The Linux Kernel Documentation',
508     [author], 1)
509]
510
511# If true, show URL addresses after external links.
512#man_show_urls = False
513
514
515# -- Options for Texinfo output -------------------------------------------
516
517# Grouping the document tree into Texinfo files. List of tuples
518# (source start file, target name, title, author,
519#  dir menu entry, description, category)
520texinfo_documents = [
521    (master_doc, 'TheLinuxKernel', 'The Linux Kernel Documentation',
522     author, 'TheLinuxKernel', 'One line description of project.',
523     'Miscellaneous'),
524]
525
526# Documents to append as an appendix to all manuals.
527#texinfo_appendices = []
528
529# If false, no module index is generated.
530#texinfo_domain_indices = True
531
532# How to display URL addresses: 'footnote', 'no', or 'inline'.
533#texinfo_show_urls = 'footnote'
534
535# If true, do not generate a @detailmenu in the "Top" node's menu.
536#texinfo_no_detailmenu = False
537
538
539# -- Options for Epub output ----------------------------------------------
540
541# Bibliographic Dublin Core info.
542epub_title = project
543epub_author = author
544epub_publisher = author
545epub_copyright = copyright
546
547# The basename for the epub file. It defaults to the project name.
548#epub_basename = project
549
550# The HTML theme for the epub output. Since the default themes are not
551# optimized for small screen space, using the same theme for HTML and epub
552# output is usually not wise. This defaults to 'epub', a theme designed to save
553# visual space.
554#epub_theme = 'epub'
555
556# The language of the text. It defaults to the language option
557# or 'en' if the language is not set.
558#epub_language = ''
559
560# The scheme of the identifier. Typical schemes are ISBN or URL.
561#epub_scheme = ''
562
563# The unique identifier of the text. This can be a ISBN number
564# or the project homepage.
565#epub_identifier = ''
566
567# A unique identification for the text.
568#epub_uid = ''
569
570# A tuple containing the cover image and cover page html template filenames.
571#epub_cover = ()
572
573# A sequence of (type, uri, title) tuples for the guide element of content.opf.
574#epub_guide = ()
575
576# HTML files that should be inserted before the pages created by sphinx.
577# The format is a list of tuples containing the path and title.
578#epub_pre_files = []
579
580# HTML files that should be inserted after the pages created by sphinx.
581# The format is a list of tuples containing the path and title.
582#epub_post_files = []
583
584# A list of files that should not be packed into the epub file.
585epub_exclude_files = ['search.html']
586
587# The depth of the table of contents in toc.ncx.
588#epub_tocdepth = 3
589
590# Allow duplicate toc entries.
591#epub_tocdup = True
592
593# Choose between 'default' and 'includehidden'.
594#epub_tocscope = 'default'
595
596# Fix unsupported image types using the Pillow.
597#epub_fix_images = False
598
599# Scale large images.
600#epub_max_image_width = 0
601
602# How to display URL addresses: 'footnote', 'no', or 'inline'.
603#epub_show_urls = 'inline'
604
605# If false, no index is generated.
606#epub_use_index = True
607
608#=======
609# rst2pdf
610#
611# Grouping the document tree into PDF files. List of tuples
612# (source start file, target name, title, author, options).
613#
614# See the Sphinx chapter of https://ralsina.me/static/manual.pdf
615#
616# FIXME: Do not add the index file here; the result will be too big. Adding
617# multiple PDF files here actually tries to get the cross-referencing right
618# *between* PDF files.
619pdf_documents = [
620    ('kernel-documentation', u'Kernel', u'Kernel', u'J. Random Bozo'),
621]
622
623# kernel-doc extension configuration for running Sphinx directly (e.g. by Read
624# the Docs). In a normal build, these are supplied from the Makefile via command
625# line arguments.
626kerneldoc_bin = '../scripts/kernel-doc'
627kerneldoc_srctree = '..'
628
629# ------------------------------------------------------------------------------
630# Since loadConfig overwrites settings from the global namespace, it has to be
631# the last statement in the conf.py file
632# ------------------------------------------------------------------------------
633loadConfig(globals())
634