Commit Graph

370 Commits

Author SHA1 Message Date
Paolo Bonzini
3b4da13293 configure: automatically parse command line for meson -D options
Right now meson_options.txt lists about 90 options.  Each option
needs code in configure to parse it and pass the option down to Meson as
a -D command-line argument; in addition the default must be duplicated
between configure and meson_options.txt.  This series tries to remove
the code duplication by generating the case statement for those --enable
and --disable options, as well as the corresponding help text.

About 80% of the options can be handled completely by the new mechanism.
Eight meson options are not of the --enable/--disable kind.  Six more need
to be parsed in configure for various reasons documented in the patch,
but they still have their help automatically generated.

The advantages are:

- less code in configure

- parsing and help is more consistent (for example --enable-blobs was
  not supported)

- options are described entirely in one place, meson_options.txt.
  This make it more attractive to use Meson options instead of
  hand-crafted configure options and config-host.mak

A few options change name: --enable-tcmalloc and --enable-jemalloc
become --enable-malloc={tcmalloc,jemalloc}; --disable-blobs becomes
--disable-install-blobs; --enable-trace-backend becomes
--enable-trace-backends.  However, the old names are allowed
for backwards compatibility.

Message-Id: <20211007130829.632254-19-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-10-14 09:51:06 +02:00
Richard Henderson
f83bcecb1f accel/tcg: Add cpu_{ld,st}*_mmu interfaces
These functions are much closer to the softmmu helper
functions, in that they take the complete MemOpIdx,
and from that they may enforce required alignment.

The previous cpu_ldst.h functions did not have alignment info,
and so did not enforce it.  Retain this by adding MO_UNALN to
the MemOp that we create in calling the new functions.

Note that we are not yet enforcing alignment for user-only,
but we now have the information with which to do so.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-10-13 08:09:53 -07:00
Paolo Bonzini
16e79e1b01 docs: reorganize testing.rst
Clean up the heading levels to use === --- ~~~ ^^^ '''.  Reorganize the
outline for the Avocado part, and always include headings for the
class names.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-10-01 19:04:45 +02:00
Paolo Bonzini
9fce360176 docs: move gcov section at the end of testing.rst
gcov testing applies to all tests, not just make check.  Move it
out of the make check section.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-10-01 19:04:45 +02:00
Paolo Bonzini
e9adb4ace2 docs: reorganize tcg-plugins.rst
Clean up the heading levels to use === --- ~~~, and create a new "writing
plugins" section.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-10-01 19:04:45 +02:00
Paolo Bonzini
768f14f94e docs: reorganize qgraph.rst
Clean up the heading levels to use === --- ~~~, and move the command line
building near to the other execution steps.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-10-01 19:04:45 +02:00
Paolo Bonzini
8b8939e44f docs: put "make" information together in build-system.rst
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-10-01 19:04:45 +02:00
Paolo Bonzini
f9df7aac75 docs: move notes inside the body of the document
Make all documents start with a heading.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-10-01 19:04:45 +02:00
Paolo Bonzini
bcfdfae78f docs: name included files ".rst.inc"
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-10-01 19:04:45 +02:00
Willian Rampazzo
94c714620b tests/Makefile: add AVOCADO_TESTS option to make check-acceptance
Add the possibility of running all the tests from a single file, or
multiple files, running a single test within a file or multiple tests
within multiple files using `make check-acceptance` and the
AVOCADO_TESTS environment variable.

Suggested-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Willian Rampazzo <willianr@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20210923161141.232208-4-willianr@redhat.com>
2021-09-27 19:06:47 +02:00
Willian Rampazzo
6676f18fa5 docs/devel/testing: add instruction to run a single acceptance test
Add instructions to the Acceptance tests section about running a
single test file or a test within the test file.

Signed-off-by: Willian Rampazzo <willianr@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20210923161141.232208-3-willianr@redhat.com>
2021-09-27 19:06:47 +02:00
Willian Rampazzo
23022794de tests/Makefile: allow control over tags during check-acceptance
Although it is possible to run a specific test using the avocado
command-line, a user may want to use a specific tag while running the
``make check-acceptance`` during the development or debugging.

This allows using the AVOCADO_TAGS environment variable where the user
takes total control of which tests should run based on the tags defined.

This also makes the check-acceptance command flexible to restrict tests
based on tags while running on CI.

e.g.:

AVOCADO_TAGS="foo bar baz" make check-acceptance

Signed-off-by: Willian Rampazzo <willianr@redhat.com>
Tested-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Reviewed-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20210923161141.232208-2-willianr@redhat.com>
2021-09-27 19:06:47 +02:00
Markus Armbruster
4e99f4b12c qapi: Drop simple unions
Simple unions predate flat unions.  Having both complicates the QAPI
schema language and the QAPI generator.  We haven't been using simple
unions in new code for a long time, because they are less flexible and
somewhat awkward on the wire.

The previous commits eliminated simple union from the tree.  Now drop
them from the QAPI schema language entirely, and update mentions of
"flat union" to just "union".

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20210917143134.412106-22-armbru@redhat.com>
2021-09-27 08:23:25 +02:00
Markus Armbruster
4cfd6537e4 qapi: Tidy up unusual line breaks
Break lines between members instead of within members.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20210917143134.412106-2-armbru@redhat.com>
2021-09-25 06:55:54 +02:00
Peter Maydell
7d79344d4f * Fixes for "-cpu max" on i386 TCG (Daniel)
* vVMLOAD/VMSAVE and vGIF implementation (Lara)
 * Reorganize i386 targets documentation in preparation for SGX (myself)
 * Meson cleanups (myself, Thomas)
 * NVMM fixes (Reinoud)
 * Suppress bogus -Wstringop-overflow (Richard)
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Merge remote-tracking branch 'remotes/bonzini-gitlab/tags/for-upstream' into staging

* Fixes for "-cpu max" on i386 TCG (Daniel)
* vVMLOAD/VMSAVE and vGIF implementation (Lara)
* Reorganize i386 targets documentation in preparation for SGX (myself)
* Meson cleanups (myself, Thomas)
* NVMM fixes (Reinoud)
* Suppress bogus -Wstringop-overflow (Richard)

# gpg: Signature made Mon 13 Sep 2021 12:56:33 BST
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini-gitlab/tags/for-upstream: (21 commits)
  docs: link to archived Fedora code of conduct
  Fix nvmm_ram_block_added() function arguments
  Only check CONFIG_NVMM when NEED_CPU_H is defined
  util: Suppress -Wstringop-overflow in qemu_thread_start
  fw_cfg: add etc/msr_feature_control
  meson: remove dead variable
  meson: do not use python.full_path() unnecessarily
  meson: look up cp and dtrace with find_program()
  meson.build: Do not look for VNC-related libraries if have_system is not set
  docs/system: move x86 CPU configuration to a separate document
  docs/system: standardize man page sections to --- with overline
  docs: standardize directory index to --- with overline
  docs: standardize book titles to === with overline
  target/i386: Added vVMLOAD and vVMSAVE feature
  target/i386: Added changed priority check for VIRQ
  target/i386: Added ignore TPR check in ctl_has_irq
  target/i386: Added VGIF V_IRQ masking capability
  target/i386: Moved int_ctl into CPUX86State structure
  target/i386: Added VGIF feature
  target/i386: VMRUN and VMLOAD canonicalizations
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-09-13 13:33:21 +01:00
Paolo Bonzini
d97327342e docs: link to archived Fedora code of conduct
Fedora has switched to a different CoC.  QEMU's own code of conduct
is based on the previous version and cites it as a source.  Replace
the link with one to the Wayback Machine.

Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-09-13 13:56:26 +02:00
Paolo Bonzini
06905f6402 docs: standardize directory index to --- with overline
Use a standard heading format for the index.rst file in a directory.
Using overlines makes it clear that individual documents can use e.g.
=== for chapter titles and --- for section titles, as suggested in the
Linux kernel guidelines[1].  They could do it anyway, because documents
included in a toctree are parsed separately and therefore are not tied
to the same conventions for headings.  However, keeping some consistency is
useful since sometimes files are included from multiple places.

[1] https://www.kernel.org/doc/html/latest/doc-guide/sphinx.html

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-09-13 13:56:26 +02:00
Peter Maydell
f383eb80f6 tcg: Drop gen_io_end()
Now we have removed all the uses of gen_io_end() from target frontends,
the only callsite is inside gen_tb_start(). Inline the code there,
and remove the reference to it from the documentation.

While we are inlining the code, switch it to use tcg_constant_i32()
so we don't have to manually create and destroy a TCG temporary.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210724134902.7785-3-peter.maydell@linaro.org>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2021-09-08 11:09:45 +01:00
Willian Rampazzo
1ea47ede63 docs: add definitions of terms for CI/testing
To understand the current state of QEMU CI/testing and have a base to
discuss the plans for the future, it is important to define some usual
terms. This patch defines the terms for "Automated tests", "Unit
testing", "Functional testing", "System testing", "Flaky tests",
"Gating", and "Continuous Integration".

Signed-off-by: Willian Rampazzo <willianr@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20210831152939.97570-2-willianr@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2021-09-06 09:07:00 +02:00
Peter Maydell
9c03aa87e5 Testing and plugin updates:
- fix typo in execlog plugin
   - clean-up and document gitlab FOO_RUNNER_AVAILABLE vars
   - fix plugin build issue on OSX and modules
   - add multi-core support to cache modelling plugin
   - clean-ups for plugin arg=FOO handling
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Merge remote-tracking branch 'remotes/stsquad/tags/pull-for-6.2-020921-1' into staging

Testing and plugin updates:

  - fix typo in execlog plugin
  - clean-up and document gitlab FOO_RUNNER_AVAILABLE vars
  - fix plugin build issue on OSX and modules
  - add multi-core support to cache modelling plugin
  - clean-ups for plugin arg=FOO handling

# gpg: Signature made Thu 02 Sep 2021 11:33:02 BST
# gpg:                using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [full]
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8  DF35 FBD0 DB09 5A9E 2A44

* remotes/stsquad/tags/pull-for-6.2-020921-1: (22 commits)
  docs/devel: be consistent about example plugin names
  docs/deprecated: deprecate passing plugin args through `arg=`
  tests/plugins/syscalls: adhere to new arg-passing scheme
  tests/plugins/mem: introduce "track" arg and make args not positional
  tests/plugins/insn: made arg inline not positional and parse it as bool
  tests/plugins/bb: adapt to the new arg passing scheme
  docs/tcg-plugins: new passing parameters scheme for cache docs
  plugins/howvec: adapting to the new argument passing scheme
  plugins/hwprofile: adapt to the new plugin arguments scheme
  plugins/lockstep: make socket path not positional & parse bool arg
  plugins/hotblocks: Added correct boolean argument parsing
  plugins/hotpages: introduce sortby arg and parsed bool args correctly
  plugins/api: added a boolean parsing plugin api
  plugins: allow plugin arguments to be passed directly
  docs/devel/tcg-plugins: added cores arg to cache plugin
  plugins: sort exported symbol list
  plugins/cache: supported multicore cache modelling
  plugins: do not limit exported symbols if modules are active
  gitlab-ci: Fix ..._RUNNER_AVAILABLE variables and document them
  gitlab-ci: Remove superfluous "dnf install" statement
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-09-03 14:23:36 +01:00
Peter Maydell
9093028dd4 Block patches:
- Make the backup-top filter driver available for user-created block
   nodes (i.e. via blockdev-add)
 - Allow running iotests with gdb or valgrind being attached to qemu
   instances
 - Fix the raw format driver's permissions: There is no metadata, so we
   only need WRITE or RESIZE when the parent needs it
 - Basic reopen implementation for win32 files (file-win32.c) so that
   qemu-img commit can work
 - uclibc/musl build fix for the FUSE export code
 - Some iotests delinting
 - block-hmp-cmds.c refactoring
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Merge remote-tracking branch 'remotes/hreitz/tags/pull-block-2021-09-01' into staging

Block patches:
- Make the backup-top filter driver available for user-created block
  nodes (i.e. via blockdev-add)
- Allow running iotests with gdb or valgrind being attached to qemu
  instances
- Fix the raw format driver's permissions: There is no metadata, so we
  only need WRITE or RESIZE when the parent needs it
- Basic reopen implementation for win32 files (file-win32.c) so that
  qemu-img commit can work
- uclibc/musl build fix for the FUSE export code
- Some iotests delinting
- block-hmp-cmds.c refactoring

# gpg: Signature made Wed 01 Sep 2021 16:01:54 BST
# gpg:                using RSA key CB62D7A0EE3829E45F004D34A1FA40D098019CDF
# gpg:                issuer "hreitz@redhat.com"
# gpg: Good signature from "Hanna Reitz <hreitz@redhat.com>" [marginal]
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg:          It is not certain that the signature belongs to the owner.
# Primary key fingerprint: CB62 D7A0 EE38 29E4 5F00  4D34 A1FA 40D0 9801 9CDF

* remotes/hreitz/tags/pull-block-2021-09-01: (56 commits)
  block/file-win32: add reopen handlers
  block/export/fuse.c: fix fuse-lseek on uclibc or musl
  block/block-copy: block_copy_state_new(): drop extra arguments
  iotests/image-fleecing: add test-case for copy-before-write filter
  iotests/image-fleecing: prepare for adding new test-case
  iotests/image-fleecing: rename tgt_node
  iotests/image-fleecing: proper source device
  iotests.py: hmp_qemu_io: support qdev
  iotests: move 222 to tests/image-fleecing
  iotests/222: constantly use single quotes for strings
  iotests/222: fix pylint and mypy complains
  python:QEMUMachine: template typing for self returning methods
  python/qemu/machine: QEMUMachine: improve qmp() method
  python/qemu/machine.py: refactor _qemu_args()
  qapi: publish copy-before-write filter
  block/copy-before-write: make public block driver
  block/block-copy: make setting progress optional
  block/copy-before-write: initialize block-copy bitmap
  block/copy-before-write: cbw_init(): use options
  block/copy-before-write: bdrv_cbw_append(): drop unused compress arg
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-09-02 13:00:52 +01:00
Mahmoud Mandour
a35af836d1 docs/devel: be consistent about example plugin names
Some plugins were prefixed with `.c`, some were not. Since the name is
essentially the full-name of the plugin file, it's logical to include
the extension.

Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Message-Id: <20210830121534.656559-1-ma.mandourr@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2021-09-02 11:29:34 +01:00
Mahmoud Mandour
2dd3fef8a6 docs/tcg-plugins: new passing parameters scheme for cache docs
Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210730135817.17816-9-ma.mandourr@gmail.com>
2021-09-02 11:29:34 +01:00
Mahmoud Mandour
d852535859 plugins/howvec: adapting to the new argument passing scheme
Correctly parsing plugin argument since they now must be provided as
full-form boolean parameters, e.g.:
    -plugin ./contrib/plugins/libhowvec.so,verbose=on,inline=on

Also, introduced the argument "count" that accepts one opt to count
individually at a time.

Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210730135817.17816-8-ma.mandourr@gmail.com>
2021-09-02 11:29:34 +01:00
Mahmoud Mandour
60753843f6 plugins/hwprofile: adapt to the new plugin arguments scheme
Parsing boolean arguments correctly (e.g. pattern=on or source=false).
Introduced a new "track" argument that takes a [read|write] value. This
substitutes passing read or write to "arg=" that is deprecated.

Also, matches are now taken one by one through the "match" argument.

Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210730135817.17816-7-ma.mandourr@gmail.com>
2021-09-02 11:29:34 +01:00
Mahmoud Mandour
b18a0cad81 plugins/lockstep: make socket path not positional & parse bool arg
Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210730135817.17816-6-ma.mandourr@gmail.com>
2021-09-02 11:29:34 +01:00
Mahmoud Mandour
f698d5ef1c plugins/hotpages: introduce sortby arg and parsed bool args correctly
Since plugin arguments now expect boolean arguments, a plugin argument
name "sortby" now expects a value of "read", "write", or "address".

"io" arg is now expected to be passed as a full-form boolean parameter,
i.e. "io=on|true|yes|off|false|no"

Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210730135817.17816-4-ma.mandourr@gmail.com>
2021-09-02 11:29:34 +01:00
Mahmoud Mandour
5397acb8a6 docs/devel/tcg-plugins: added cores arg to cache plugin
Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Message-Id: <20210803151301.123581-3-ma.mandourr@gmail.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2021-09-02 11:29:34 +01:00
Thomas Huth
40e916b4bc gitlab-ci: Fix ..._RUNNER_AVAILABLE variables and document them
The patch that recently introduced the S390X_RUNNER_AVAILABLE variable
in custom-runners.yml missed that the bottom half of the file is rather
about aarch64 than s390x. Thus rename the S390X_RUNNER_AVAILABLE to
AARCH64_RUNNER_AVAILABLE in those jobs.

Finally mention both variables in our CI documentation, too.

Fixes: c5dd0f0342 ("Improve rules for the staging branch")
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20210730143809.717079-4-thuth@redhat.com>
[AJB: moved due to docu changes]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210806141015.2487502-5-alex.bennee@linaro.org>
2021-09-02 11:29:34 +01:00
Emanuele Giuseppe Esposito
8ffcda2a70 docs/devel/testing: add -p option to the debug section of QEMU iotests
Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20210809090114.64834-17-eesposit@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
2021-09-01 12:57:31 +02:00
Emanuele Giuseppe Esposito
bd10a7397e docs/devel/testing: add -valgrind option to the debug section of QEMU iotests
Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20210809090114.64834-15-eesposit@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
2021-09-01 12:57:31 +02:00
Emanuele Giuseppe Esposito
e92ecc322c docs/devel/testing: add -gdb option to the debugging section of QEMU iotests
Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20210809090114.64834-10-eesposit@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
2021-09-01 12:57:31 +02:00
Emanuele Giuseppe Esposito
0193767b25 docs/devel/testing: add debug section to the QEMU iotests chapter
Introduce the "Debugging a test case" section, in preparation
to the additional flags that will be added in the next patches.

Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20210809090114.64834-5-eesposit@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
2021-09-01 12:57:31 +02:00
Peter Maydell
99abcbc760 clock: Provide builtin multiplier/divider
It is quite common for a clock tree to involve possibly programmable
clock multipliers or dividers, where the frequency of a clock is for
instance divided by 8 to produce a slower clock to feed to a
particular device.

Currently we provide no convenient mechanism for modelling this.  You
can implement it by having an input Clock and an output Clock, and
manually setting the period of the output clock in the period-changed
callback of the input clock, but that's quite clunky.

This patch adds support in the Clock objects themselves for setting a
multiplier or divider.  The effect of setting this on a clock is that
when the clock's period is changed, all the children of the clock are
set to period * multiplier / divider, rather than being set to the
same period as the parent clock.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alexandre Iooss <erdnaxe@crans.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Luc Michel <luc@lmichel.fr>
Reviewed-by: Damien Hedde <damien.hedde@greensocs.com>
Message-id: 20210812093356.1946-10-peter.maydell@linaro.org
2021-09-01 11:08:19 +01:00
Philippe Mathieu-Daudé
cd066eea60 tests: Remove uses of deprecated raspi2/raspi3 machine names
Commit 155e1c82ed deprecated the raspi2/raspi3 machine names.
Use the recommended new names: raspi2b and raspi3b.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Message-id: 20210827060815.2384760-2-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-09-01 11:08:15 +01:00
Marc-André Lureau
3248c1aaf2 docs: update the documentation upfront about schema configuration
Update the documentation describing the changes in this series.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Tested-by: John Snow <jsnow@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20210804083105.97531-2-marcandre.lureau@redhat.com>
[Rebased with straightforward conflicts]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-08-26 13:53:56 +02:00
Daniel P. Berrangé
1ff4f90add docs: split the CI docs into two files
This splits the CI docs into one file talking about job setup and usage
and another file describing provisioning of custom runners.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Message-Id: <20210812180403.4129067-2-berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2021-08-25 12:17:05 +02:00
John Snow
68e6dc594a docs: convert writing-qmp-commands.txt to writing-qmp-commands.rst
This does about the bare minimum, converting section headers to ReST
ones and adding an indent for code blocks.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-Id: <20210721165015.2180311-1-jsnow@redhat.com>
Reviewed-by: Connor Kuehl <ckuehl@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-08-04 11:18:05 +02:00
John Snow
9c66762a60 docs/qapi-code-gen: add cross-references
Add clickables to many places.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-Id: <20210720235619.2048797-4-jsnow@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-08-04 11:05:52 +02:00
John Snow
55927c5f32 docs/qapi-code-gen: Beautify formatting
Mostly, add ``literal`` markers to a lot of things like C types, add
code blocks, and fix the way a few things render.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-Id: <20210720235619.2048797-3-jsnow@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-08-04 11:05:48 +02:00
John Snow
f7aa076dbd docs: convert qapi-code-gen.txt to ReST
This is a very rudimentary conversion from .txt to .rst changing as
little as possible, but getting it to render somewhat nicely; without
using any Sphinx directives. (It is 'native' ReST.)

Further patches will add cross-references and Sphinx-specific extensions
to make it sparkle.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-Id: <20210720235619.2048797-2-jsnow@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-08-04 11:05:43 +02:00
Markus Armbruster
e0366f9f2b docs/devel/qapi-code-gen: Update examples to match current code
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20210712150214.624281-1-armbru@redhat.com>
Acked-by: John Snow <jsnow@redhat.com>
2021-08-04 11:04:16 +02:00
Peter Maydell
1e235edab8 docs/devel: Format literals correctly
In rST markup, single backticks `like this` represent "interpreted
text", which can be handled as a bunch of different things if tagged
with a specific "role":
https://docutils.sourceforge.io/docs/ref/rst/restructuredtext.html#interpreted-text
(the most common one for us is "reference to a URL, which gets
hyperlinked").

The default "role" if none is specified is "title_reference",
intended for references to book or article titles, and it renders
into the HTML as <cite>...</cite> (usually comes out as italics).

Fix various places in the devel section of the manual which were
using single backticks when double backticks (for literal text)
were intended.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20210726142338.31872-6-peter.maydell@linaro.org
2021-08-02 11:42:38 +01:00
Peter Maydell
4df3a7bf8f docs/devel/migration.rst: Format literals correctly
In rST markup, single backticks `like this` represent "interpreted
text", which can be handled as a bunch of different things if tagged
with a specific "role":
https://docutils.sourceforge.io/docs/ref/rst/restructuredtext.html#interpreted-text
(the most common one for us is "reference to a URL, which gets
hyperlinked").

The default "role" if none is specified is "title_reference",
intended for references to book or article titles, and it renders
into the HTML as <cite>...</cite> (usually comes out as italics).

To format a literal (generally rendered as fixed-width font),
double-backticks are required.

Mostly migration.rst gets this right, but some places incorrectly use
single backticks where double backticks were intended; correct them.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-id: 20210726142338.31872-5-peter.maydell@linaro.org
2021-08-02 11:42:38 +01:00
Peter Maydell
f0d7b970ac docs/devel/ebpf_rss.rst: Format literals correctly
In rST markup, single backticks `like this` represent "interpreted
text", which can be handled as a bunch of different things if tagged
with a specific "role":
https://docutils.sourceforge.io/docs/ref/rst/restructuredtext.html#interpreted-text
(the most common one for us is "reference to a URL, which gets
hyperlinked").

The default "role" if none is specified is "title_reference",
intended for references to book or article titles, and it renders
into the HTML as <cite>...</cite> (usually comes out as italics).

To format a literal (generally rendered as fixed-width font),
double-backticks are required.

ebpf_rss.rst gets this wrong in a few places; correct them.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20210726142338.31872-4-peter.maydell@linaro.org
2021-08-02 11:42:38 +01:00
Peter Maydell
d463f3c79a docs/devel/build-system.rst: Correct typo in example code
One of the example meson.build fragments incorrectly quotes some
symbols as 'CONFIG_FOO`; the correct syntax here is 'CONFIG_FOO'.
(This isn't a rST formatting mistake because the example is displayed
literally; it's just the wrong kind of quote.)

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20210726142338.31872-3-peter.maydell@linaro.org
2021-08-02 11:42:38 +01:00
Peter Maydell
35a4ca4031 docs/devel/build-system.rst: Format literals correctly
In rST markup, single backticks `like this` represent "interpreted
text", which can be handled as a bunch of different things if tagged
with a specific "role":
https://docutils.sourceforge.io/docs/ref/rst/restructuredtext.html#interpreted-text
(the most common one for us is "reference to a URL, which gets
hyperlinked").

The default "role" if none is specified is "title_reference",
intended for references to book or article titles, and it renders
into the HTML as <cite>...</cite> (usually comes out as italics).

build-system.rst seems to have been written under the mistaken
assumption that single-backticks mark up literal text (function
names, etc) which should be rendered in a fixed-width font.
The rST markup for this is ``double backticks``.

Update all the markup.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210726142338.31872-2-peter.maydell@linaro.org
2021-08-02 11:42:38 +01:00
Philippe Mathieu-Daudé
9ada9fd259 docs: Document GitLab custom CI/CD variables
We introduced the QEMU_CI_AVOCADO_TESTING variable in commit f56bf4caf
("gitlab: Run Avocado tests manually (except mainstream CI)"), but
forgot to document it properly. Do it now.

Suggested-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210727142431.1672530-2-philmd@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2021-07-29 07:56:01 +02:00
Peter Maydell
21b6c26d63 docs: Remove "Contents:" lines from top-level subsections
Since the top-level subsections aren't self-contained manuals
any more, the "Contents:" lines at the top of each of their
index pages look a bit odd; remove them.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-id: 20210705095547.15790-4-peter.maydell@linaro.org
2021-07-18 10:59:46 +01:00
Peter Maydell
b4634487c4 docs: Stop calling the top level subsections of our manual 'manuals'
We merged our previous multiple-manual setup into a single Sphinx
manual, but we left some text in the various index.rst lines that
still calls the top level subsections separate 'manuals'.  Update
them to talk about "this section of the manual" instead, and remove
now-obsolete comments about how the index.rst files are the "top
level page for the 'foo' manual".

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-id: 20210705095547.15790-3-peter.maydell@linaro.org
2021-07-18 10:59:46 +01:00