Commit Graph

2436 Commits

Author SHA1 Message Date
Richard Henderson
f9d58e0ca5 9pfs: fixes
* Fixes for Xen, configure and a theoretical leak.
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Merge tag 'pull-9p-20230516' of https://github.com/cschoenebeck/qemu into staging

9pfs: fixes

* Fixes for Xen, configure and a theoretical leak.

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# gpg: Signature made Tue 16 May 2023 08:20:45 AM PDT
# gpg:                using RSA key 96D8D110CF7AF8084F88590134C2B58765A47395
# gpg:                issuer "qemu_oss@crudebyte.com"
# gpg: Good signature from "Christian Schoenebeck <qemu_oss@crudebyte.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: ECAB 1A45 4014 1413 BA38  4926 30DB 47C3 A012 D5F4
#      Subkey fingerprint: 96D8 D110 CF7A F808 4F88  5901 34C2 B587 65A4 7395

* tag 'pull-9p-20230516' of https://github.com/cschoenebeck/qemu:
  configure: make clear that VirtFS is 9p
  9pfs/xen: Fix segfault on shutdown
  tests/9p: fix potential leak in v9fs_rreaddir()
  Don't require libcap-ng for virtfs support

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-16 10:21:44 -07:00
Peter Foley
1a67e07fe9 Don't require libcap-ng for virtfs support
It's only required for the proxy helper.

Add a new option for the proxy helper rather than enabling it
implicitly.

Change-Id: I95b73fca625529e99d16b0a64e01c65c0c1d43f2
Signed-off-by: Peter Foley <pefoley@google.com>
Message-Id: <20230503130757.863824-1-pefoley@google.com>
[C.S.: - Resolve merge conflict. ]
Signed-off-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
2023-05-16 16:21:04 +02:00
Mateusz Krawczuk
1f8da027dd Add information how to fix common build error on Windows in symlink-install-tree
By default, Windows doesn't allow to create soft links for user account
and only administrator is allowed to do this. To fix this problem you have
to raise your permissions or enable Developer Mode, which available since
Windows 10. Additional explanation when build fails will allow developer
to fix the problem on his computer faster.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1386
Signed-off-by: Mateusz Krawczuk <mat.krawczuk@gmail.com>
Message-Id: <20230504211101.1386-1-mat.krawczuk@gmail.com>
[thuth: Drop the hunk with the white space changes]
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-05-16 09:14:18 +02:00
Richard Henderson
d530697ca2 Testing updates:
- fix up xtensa docker container base to current Debian
   - document breakpoint and watchpoint support
   - clean up the ansible scripts for Ubuntu 22.04
   - add a minimal device profile
   - drop https on mipsdistros URL
   - fix Kconfig bug for XLNX_VERSAL
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Merge tag 'pull-testing-updates-100523-1' of https://gitlab.com/stsquad/qemu into staging

Testing updates:

  - fix up xtensa docker container base to current Debian
  - document breakpoint and watchpoint support
  - clean up the ansible scripts for Ubuntu 22.04
  - add a minimal device profile
  - drop https on mipsdistros URL
  - fix Kconfig bug for XLNX_VERSAL

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# gpg: Signature made Wed 10 May 2023 04:04:59 PM BST
# gpg:                using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8  DF35 FBD0 DB09 5A9E 2A44

* tag 'pull-testing-updates-100523-1' of https://gitlab.com/stsquad/qemu:
  hw/arm: Select XLNX_USB_SUBSYS for xlnx-zcu102 machine
  tests/avocado: use http for mipsdistros.mips.com
  gitlab: enable minimal device profile for aarch64 --disable-tcg
  gitlab: add ubuntu-22.04-aarch64-without-defaults
  scripts/ci: clean-up the 20.04/22.04 confusion in ansible
  scripts/ci: add gitlab-runner to kvm group
  docs: document breakpoint and watchpoint support
  tests/docker: bump the xtensa base to debian:11-slim

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-10 16:43:01 +01:00
Alex Bennée
c1924cde87 scripts/ci: clean-up the 20.04/22.04 confusion in ansible
We have a bunch of references to 20.04 (which s390x is still on)
although we are basically building on 22.04 now. Clean up the textual
references and use lcitool to generate the full package list to be
consistent.

We can drop "Install packages to build QEMU on Ubuntu on non-s390x" as
when we upgrade the s390x builder to 22.04 it won't need this
workaround.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230503091244.1450613-19-alex.bennee@linaro.org>
2023-05-10 16:01:00 +01:00
Alex Bennée
02f4947603 scripts/ci: add gitlab-runner to kvm group
One of the main reasons to have custom runners it so we can run KVM
tests. Enable the "kvm" additional group so we can access the feature
on the kernel.

Message-Id: <20230503091244.1450613-5-alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reported-by: Peter Maydell <peter.maydell@linaro.org>
2023-05-10 15:58:19 +01:00
Richard Henderson
caa9cbd566 Block layer patches
- Graph locking, part 3 (more block drivers)
 - Compile out assert_bdrv_graph_readable() by default
 - Add configure options for vmdk, vhdx and vpc
 - Fix use after free in blockdev_mark_auto_del()
 - migration: Attempt disk reactivation in more failure scenarios
 - Coroutine correctness fixes
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Merge tag 'for-upstream' of https://repo.or.cz/qemu/kevin into staging

Block layer patches

- Graph locking, part 3 (more block drivers)
- Compile out assert_bdrv_graph_readable() by default
- Add configure options for vmdk, vhdx and vpc
- Fix use after free in blockdev_mark_auto_del()
- migration: Attempt disk reactivation in more failure scenarios
- Coroutine correctness fixes

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# gpg: Signature made Wed 10 May 2023 01:18:41 PM BST
# gpg:                using RSA key DC3DEB159A9AF95D3D7456FE7F09B272C88F2FD6
# gpg:                issuer "kwolf@redhat.com"
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full]

* tag 'for-upstream' of https://repo.or.cz/qemu/kevin: (28 commits)
  block: compile out assert_bdrv_graph_readable() by default
  block: Mark bdrv_refresh_limits() and callers GRAPH_RDLOCK
  block: Mark bdrv_recurse_can_replace() and callers GRAPH_RDLOCK
  block: Mark bdrv_query_block_graph_info() and callers GRAPH_RDLOCK
  block: Mark bdrv_query_bds_stats() and callers GRAPH_RDLOCK
  block: Mark BlockDriver callbacks for amend job GRAPH_RDLOCK
  block: Mark bdrv_co_debug_event() GRAPH_RDLOCK
  block: Mark bdrv_co_get_info() and callers GRAPH_RDLOCK
  block: Mark bdrv_co_get_allocated_file_size() and callers GRAPH_RDLOCK
  mirror: Require GRAPH_RDLOCK for accessing a node's parent list
  vhdx: Require GRAPH_RDLOCK for accessing a node's parent list
  nbd: Mark nbd_co_do_establish_connection() and callers GRAPH_RDLOCK
  nbd: Remove nbd_co_flush() wrapper function
  block: .bdrv_open is non-coroutine and unlocked
  graph-lock: Fix GRAPH_RDLOCK_GUARD*() to be reader lock
  graph-lock: Add GRAPH_UNLOCKED(_PTR)
  test-bdrv-drain: Don't modify the graph in coroutines
  iotests: Test resizing image attached to an iothread
  block: Don't call no_coroutine_fns in qmp_block_resize()
  block: bdrv/blk_co_unref() for calls in coroutine context
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-10 14:52:03 +01:00
Stefan Hajnoczi
58a2e3f5c3 block: compile out assert_bdrv_graph_readable() by default
reader_count() is a performance bottleneck because the global
aio_context_list_lock mutex causes thread contention. Put this debugging
assertion behind a new ./configure --enable-debug-graph-lock option and
disable it by default.

The --enable-debug-graph-lock option is also enabled by the more general
--enable-debug option.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20230501173443.153062-1-stefanha@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-05-10 14:16:54 +02:00
Vladimir Sementsov-Ogievskiy
11cea42e17 block: add configure options for excluding vmdk, vhdx and vpc
Let's add --enable / --disable configure options for these formats,
so that those who don't need them may not build them.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Message-Id: <20230421092758.814122-1-vsementsov@yandex-team.ru>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-05-10 14:15:13 +02:00
Markus Armbruster
eb59cf7628 qapi: Section parameter @indent is no longer used, drop
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230428105429.1687850-15-armbru@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
2023-05-10 10:01:01 +02:00
Markus Armbruster
08349786c8 qapi: Relax doc string @name: description indentation rules
The QAPI schema doc comment language provides special syntax for
command and event arguments, struct and union members, alternate
branches, enumeration values, and features: descriptions starting with
"@name:".

By convention, we format them like this:

    # @name: Lorem ipsum dolor sit amet, consectetur adipiscing elit,
    #        sed do eiusmod tempor incididunt ut labore et dolore
    #        magna aliqua.

Okay for names as short as "name", but we have much longer ones.  Their
description gets squeezed against the right margin, like this:

    # @dirty-sync-missed-zero-copy: Number of times dirty RAM synchronization could
    #                               not avoid copying dirty pages. This is between
    #                               0 and @dirty-sync-count * @multifd-channels.
    #                               (since 7.1)

The description text is effectively just 50 characters wide.  Easy
enough to read, but can be cumbersome to write.

The awkward squeeze against the right margin makes people go beyond it,
which produces two undesirables: arguments about style, and descriptions
that are unnecessarily hard to read, like this one:

    # @postcopy-vcpu-blocktime: list of the postcopy blocktime per vCPU.  This is
    #                           only present when the postcopy-blocktime migration capability
    #                           is enabled. (Since 3.0)

We could instead format it like

    # @postcopy-vcpu-blocktime:
    # list of the postcopy blocktime per vCPU.  This is only present
    # when the postcopy-blocktime migration capability is
    # enabled. (Since 3.0)

or, since the commit before previous, like

    # @postcopy-vcpu-blocktime:
    # 	  list of the postcopy blocktime per vCPU.  This is only present
    # 	  when the postcopy-blocktime migration capability is
    # 	  enabled. (Since 3.0)

However, I'd rather have

    # @postcopy-vcpu-blocktime: list of the postcopy blocktime per vCPU.
    #     This is only present when the postcopy-blocktime migration
    #     capability is enabled.  (Since 3.0)

because this is how rST field and option lists work.

To get this, we need to let the first non-blank line after the
"@name:" line determine expected indentation.

This fills up the indentation pitfall mentioned in
docs/devel/qapi-code-gen.rst.  A related pitfall still exists.  Update
the text to show it.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230428105429.1687850-14-armbru@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
[Work around lack of walrus operator in Python 3.7 and older]
2023-05-10 10:00:40 +02:00
Markus Armbruster
3e32dca3f0 qapi: Rewrite parsing of doc comment section symbols and tags
To recognize a line starting with a section symbol and or tag, we
first split it at the first space, then examine the part left of the
space.  We can just as well examine the unsplit line, so do that.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230428105429.1687850-13-armbru@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
[Work around lack of walrus operator in Python 3.7 and older]
2023-05-10 09:34:17 +02:00
Markus Armbruster
9b2c6746d3 qapi: Fix argument description indentation stripping
When an argument's description starts on the line after the "#arg: "
line, indentation is stripped only from the description's first line,
as demonstrated by the previous commit.  Moreover, subsequent lines
with less indentation are not rejected.

Make the first line's indentation the expected indentation for the
remainder of the description.  This fixes indentation stripping, and
also requires at least that much indentation.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230428105429.1687850-12-armbru@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
2023-05-09 09:12:48 +02:00
Markus Armbruster
5b5fe0e018 qapi: Fix crash on stray double quote character
When the lexer chokes on a stray character, its shows the characters
until the next structural character in the error message.  It uses a
regular expression to match a non-empty string of non-structural
characters.  Bug: the regular expression treats '"' as structural.
When the lexer chokes on '"', the match fails, and trips
must_match()'s assertion.  Fix the regular expression.

Fixes: 14c3279502 (qapi: Improve reporting of lexical errors)
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230428105429.1687850-4-armbru@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
2023-05-09 08:51:58 +02:00
Dorinda Bassey
c2d3d1c294 audio/pwaudio.c: Add Pipewire audio backend for QEMU
This commit adds a new audiodev backend to allow QEMU to use Pipewire as
both an audio sink and source. This backend is available on most systems

Add Pipewire entry points for QEMU Pipewire audio backend
Add wrappers for QEMU Pipewire audio backend in qpw_pcm_ops()
qpw_write function returns the current state of the stream to pwaudio
and Writes some data to the server for playback streams using pipewire
spa_ringbuffer implementation.
qpw_read function returns the current state of the stream to pwaudio and
reads some data from the server for capture streams using pipewire
spa_ringbuffer implementation. These functions qpw_write and qpw_read
are called during playback and capture.
Added some functions that convert pw audio formats to QEMU audio format
and vice versa which would be needed in the pipewire audio sink and
source functions qpw_init_in() & qpw_init_out().
These methods that implement playback and recording will create streams
for playback and capture that will start processing and will result in
the on_process callbacks to be called.
Built a connection to the Pipewire sound system server in the
qpw_audio_init() method.

Signed-off-by: Dorinda Bassey <dbassey@redhat.com>
Reviewed-by: Volker Rümelin <vr_qemu@t-online.de>
Message-Id: <20230417105654.32328-1-dbassey@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2023-05-05 13:23:08 +04:00
Richard Henderson
7c18f2d663 * Fix compilation issues under Debian 10
* Update kernel headers to 6.3rc5
 * Suppress GCC13 false positive in aio_bh_poll()
 * Add new x86 feature bits
 * Coverity fixes
 * More steps towards removing qatomic_mb_set/read
 * Fix reduced-phys-bits value for AMD SEV
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* Fix compilation issues under Debian 10
* Update kernel headers to 6.3rc5
* Suppress GCC13 false positive in aio_bh_poll()
* Add new x86 feature bits
* Coverity fixes
* More steps towards removing qatomic_mb_set/read
* Fix reduced-phys-bits value for AMD SEV

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# gpg: Signature made Sat 29 Apr 2023 01:19:14 PM BST
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [undefined]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# 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

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
  cpus-common: stop using mb_set/mb_read
  async: Suppress GCC13 false positive in aio_bh_poll()
  tests: vhost-user-test: release mutex on protocol violation
  Update linux headers to v6.3rc5
  update-linux-headers.sh: Add missing kernel headers.
  Fix libvhost-user.c compilation.
  target/i386: Add support for PREFETCHIT0/1 in CPUID enumeration
  target/i386: Add support for AVX-NE-CONVERT in CPUID enumeration
  target/i386: Add support for AVX-VNNI-INT8 in CPUID enumeration
  target/i386: Add support for AVX-IFMA in CPUID enumeration
  target/i386: Add support for AMX-FP16 in CPUID enumeration
  target/i386: Add support for CMPCCXADD in CPUID enumeration
  i386/cpu: Update how the EBX register of CPUID 0x8000001F is set
  i386/sev: Update checks and information related to reduced-phys-bits
  qemu-options.hx: Update the reduced-phys-bits documentation
  qapi, i386/sev: Change the reduced-phys-bits value from 5 to 1

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-04-29 23:07:17 +01:00
David 'Digit' Turner
9fc7dd234f update-linux-headers.sh: Add missing kernel headers.
Add <linux/memfd.h>, used by hw/display/virtio-gpu-udmabuf.c
Add <linux/nvme_ioctl.h>, used by qga/commands-posix.c
Add <linux/const.h> used by kvm-all.c, which requires
the _BITUL() macro definition to be available.

Without these, QEMU will not compile on Debian 10 systems.

Signed-off-by: David 'Digit' Turner <digit@google.com>
Message-Id: <20230405172109.3081788-3-digit@google.com>
[Add <linux/stddef.h> for __DECLARE_FLEX_ARRAY. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-04-28 14:03:52 +02:00
Alexander Bulekov
ef56ffbdd6 checkpatch: add qemu_bh_new/aio_bh_new checks
Advise authors to use the _guarded versions of the APIs, instead.

Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Message-Id: <20230427211013.2994127-4-alxndr@bu.edu>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-04-28 11:31:54 +02:00
Thomas Huth
8b869aa591 scripts/device-crash-test: Add a parameter to run with TCG only
We're currently facing the problem that the device-crash-test script
runs twice as long in the CI when a runner supports KVM - which sometimes
results in a timeout of the CI job. To get a more deterministic runtime
here, add an option to the script that allows to run it with TCG only.

Reported-by: Eldon Stegall <eldon-qemu@eldondev.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230414145845.456145-3-thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230424092249.58552-6-alex.bennee@linaro.org>
2023-04-27 14:58:11 +01:00
Peter Xu
a67cceb071 vmstate-static-checker: Recognize "num" field
Recognize this field for VMS_ARRAY typed vmsd fields, then we can do proper
size matching with previous patch.

Note that this is compatible with old -dump-vmstate output, because when
"num" is not there we'll still use the old "size" only.

Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2023-04-27 10:18:26 +02:00
Richard Henderson
c3f9aa8e48 QAPI patches patches for 2023-04-26
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Merge tag 'pull-qapi-2023-04-26' of https://repo.or.cz/qemu/armbru into staging

QAPI patches patches for 2023-04-26

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# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [undefined]
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# gpg: WARNING: This key is not certified with a trusted signature!
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* tag 'pull-qapi-2023-04-26' of https://repo.or.cz/qemu/armbru:
  qapi: allow unions to contain further unions
  qapi: Improve specificity of type/member descriptions
  qapi: support updating expected test output via make
  qapi: Require boxed for conditional command and event arguments
  qapi: Fix code generated for optional conditional struct member
  tests/qapi-schema: Cover optional conditional struct member
  tests/qapi-schema: Clean up positive test for conditionals
  tests/qapi-schema: Rename a few conditionals
  tests/qapi-schema: Improve union discriminator coverage
  qapi: Fix to reject 'data': 'mumble' in struct
  qapi: Fix error message when type name or array is expected
  qapi: Simplify code a bit after previous commits
  qapi: Improve error message for unexpected array types
  qapi: Split up check_type()
  qapi: Clean up after removal of simple unions
  qapi/schema: Use super()
  qapi: Fix error message format regression

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-04-26 07:23:32 +01:00
Daniel P. Berrangé
a17dbc4b79 qapi: allow unions to contain further unions
This extends the QAPI schema validation to permit unions inside unions,
provided the checks for clashing fields pass.

Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230420102619.348173-4-berrange@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2023-04-26 07:52:45 +02:00
Markus Armbruster
1e148b545f qapi: Improve specificity of type/member descriptions
Error messages describe object members, enumeration values, features,
and variants like ROLE 'NAME', where ROLE is "member", "value",
"feature", or "branch", respectively.  When the member is defined in
another type, e.g. inherited from a base type, we add "of type
'TYPE'".  Example: test case struct-base-clash-deep reports a member
of type 'Sub' clashing with a member of its base type 'Base' as

    struct-base-clash-deep.json: In struct 'Sub':
    struct-base-clash-deep.json:10: member 'name' collides with member 'name' of type 'Base'

Members of implicitly defined types need special treatment.  We don't
want to add "of type 'TYPE'" for them, because their named are made up
and mean nothing to the user.  Instead, we describe members of an
implicitly defined base type as "base member 'NAME'", and command and
event parameters as "parameter 'NAME'".  Example: test case
union-bad-base reports member of a variant's type clashing with a
member of its implicitly defined base type as

    union-bad-base.json: In union 'TestUnion':
    union-bad-base.json:8: member 'string' of type 'TestTypeA' collides with base member 'string'

The next commit will permit unions as variant types.  "base member
'NAME' would then be ambigious: is it the union's base, or is it the
union's variant's base?  One of its test cases would report a clash
between two such bases as "base member 'type' collides with base
member 'type'".  Confusing.

Refine the special treatment: add "of TYPE" even for implicitly
defined types, but massage TYPE and ROLE so they make sense for the
user.

Message-Id: <20230420102619.348173-3-berrange@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2023-04-26 07:52:14 +02:00
Richard Henderson
a14b8206c5 virtio,pc,pci: fixes, features, cleanups
Mostly just fixes, cleanups all over the place.
 Some optimizations.
 More control over slot_reserved_mask.
 More feature bits supported for SVQ.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging

virtio,pc,pci: fixes, features, cleanups

Mostly just fixes, cleanups all over the place.
Some optimizations.
More control over slot_reserved_mask.
More feature bits supported for SVQ.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

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* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu: (31 commits)
  hw/pci-bridge: Make PCIe and CXL PXB Devices inherit from TYPE_PXB_DEV
  hw/pci-bridge: pci_expander_bridge fix type in pxb_cxl_dev_reset()
  docs/specs: Convert pci-testdev.txt to rst
  docs/specs: Convert pci-serial.txt to rst
  docs/specs/pci-ids: Convert from txt to rST
  acpi: pcihp: allow repeating hot-unplug requests
  virtio: i2c: Check notifier helpers for VIRTIO_CONFIG_IRQ_IDX
  docs: Remove obsolete descriptions of SR-IOV support
  intel_iommu: refine iotlb hash calculation
  docs/cxl: Fix sentence
  MAINTAINERS: Add Eugenio Pérez as vhost-shadow-virtqueue reviewer
  tests: bios-tables-test: replace memset with initializer
  hw/acpi: limit warning on acpi table size to pc machines older than version 2.3
  Add my old and new work email mapping and use work email to support acpi
  vhost-user-blk-server: notify client about disk resize
  pci: avoid accessing slot_reserved_mask directly outside of pci.c
  hw: Add compat machines for 8.1
  hw/i386/amd_iommu: Factor amdvi_pci_realize out of amdvi_sysbus_realize
  hw/i386/amd_iommu: Set PCI static/const fields via PCIDeviceClass
  hw/i386/amd_iommu: Move capab_offset from AMDVIState to AMDVIPCIState
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-04-25 09:13:27 +01:00
Thomas De Schampheleire
9d672e2904 tracetool: use relative paths for '#line' preprocessor directives
The event filename is an absolute path. Convert it to a relative path when
writing '#line' directives, to preserve reproducibility of the generated
output when different base paths are used.

Signed-off-by: Thomas De Schampheleire <thomas.de_schampheleire@nokia.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20230406080045.21696-1-thomas.de_schampheleire@nokia.com>
2023-04-24 13:53:44 -04:00
Markus Armbruster
de3b3f529d qapi: Require boxed for conditional command and event arguments
The C code generator fails to honor 'if' conditions of command and
event arguments.

For instance, tests/qapi-schema/qapi-schema-test.json has

    { 'event': 'TEST_IF_EVENT',
      'data': { 'foo': 'TestIfStruct',
		'bar': { 'type': ['str'], 'if': 'TEST_IF_EVT_ARG' } },
      'if': { 'all': ['TEST_IF_EVT', 'TEST_IF_STRUCT'] } }

Generated tests/test-qapi-events.h fails to honor the TEST_IF_EVT_ARG
condition:

    #if defined(TEST_IF_EVT) && defined(TEST_IF_STRUCT)
    void qapi_event_send_test_if_event(TestIfStruct *foo, strList *bar);
    #endif /* defined(TEST_IF_EVT) && defined(TEST_IF_STRUCT) */

Only uses so far are in tests/.

We could fix the generator to emit something like

    #if defined(TEST_IF_EVT) && defined(TEST_IF_STRUCT)
    void qapi_event_send_test_if_event(TestIfStruct *foo
    #if defined(TEST_IF_EVT_ARG)
                    , strList *bar
    #endif
                    );
    #endif /* defined(TEST_IF_EVT) && defined(TEST_IF_STRUCT) */

Ugly.  Calls become similarly ugly.  Not worth fixing.

Conditional arguments work fine with 'boxed': true, simply because
complex types with conditional members work fine.  Not worth breaking.

Reject conditional arguments unless boxed.

Move the tests cases covering unboxed conditional arguments out of
tests/qapi-schema/qapi-schema-test.json.  Cover boxed conditional
arguments there instead.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230316071325.492471-15-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2023-04-24 15:21:39 +02:00
Markus Armbruster
713d921aed qapi: Fix code generated for optional conditional struct member
The generated member visit neglects to emit #if around a conditional
struct member's has_ variable.  For instance,
tests/qapi-schema/qapi-schema-test.json generates

    #if defined(TEST_IF_STRUCT)
    bool visit_type_TestIfStruct_members(Visitor *v, TestIfStruct *obj, Error **errp)
    {
--->	bool has_baz = !!obj->baz;

	if (!visit_type_int(v, "foo", &obj->foo, errp)) {
	    return false;
	}
    #if defined(TEST_IF_STRUCT_MEMBER)
	if (!visit_type_int(v, "bar", &obj->bar, errp)) {
	    return false;
	}
    #endif /* defined(TEST_IF_STRUCT_MEMBER) */
    #if defined(TEST_IF_STRUCT_MEMBER)
	if (visit_optional(v, "baz", &has_baz)) {
	    if (!visit_type_str(v, "baz", &obj->baz, errp)) {
		return false;
	    }
	}
    #endif /* defined(TEST_IF_STRUCT_MEMBER) */
	return true;
    }
    [...]
    #endif /* defined(TEST_IF_STRUCT) */

Won't compile when TEST_IF_STRUCT is defined and TEST_IF_STRUCT_MEMBER
isn't.

Fix that the obvious way:

    #if defined(TEST_IF_STRUCT_MEMBER)
	bool has_baz = !!obj->baz;
    #endif /* defined(TEST_IF_STRUCT_MEMBER) */

Fixes: 44ea9d9be3 (qapi: Start to elide redundant has_FOO in generated C)
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230316071325.492471-14-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2023-04-24 15:21:39 +02:00
Markus Armbruster
e2050ef633 qapi: Fix to reject 'data': 'mumble' in struct
A struct's 'data' must be a JSON object defining the struct's members.
The QAPI code generator incorrectly accepts a JSON string instead, and
then crashes in QAPISchema._make_members() called from
._def_struct_type().

Fix to reject it: factor check_type_implicit() out of
check_type_name_or_implicit(), and switch check_struct() to use it
instead.  Also add a test case.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230316071325.492471-9-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[More detailed commit message]
2023-04-24 15:21:39 +02:00
Markus Armbruster
6f2ab6090d qapi: Fix error message when type name or array is expected
We incorrectly report "FOO should be a type name" when it could also
be an array.  Fix that.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230316071325.492471-8-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2023-04-24 15:21:39 +02:00
Markus Armbruster
7c4075190d qapi: Simplify code a bit after previous commits
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230316071325.492471-7-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[Commit message corrected]
2023-04-24 15:21:39 +02:00
Markus Armbruster
2a0c975f86 qapi: Improve error message for unexpected array types
We reject array types in certain places with "cannot be an array".
Deleting this check improves the error message to "should be a type
name" or "should be an object or type name", depending on context, so
do that.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230316071325.492471-6-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-04-24 15:21:39 +02:00
Markus Armbruster
06cc46eeaf qapi: Split up check_type()
check_type() can check type names, arrays, and implicit struct types.
Callers pass flags to select from this menu.  This makes the function
somewhat hard to read.  Moreover, a few minor bugs are hiding in
there, as we'll see shortly.

Split it into check_type_name(), check_type_name_or_array(), and
check_type_name_or_implicit().  Each of them is a copy of the original
specialized to a certain set of flags.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230316071325.492471-5-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[Commit message corrected]
2023-04-24 15:21:28 +02:00
Markus Armbruster
607045ba39 qapi: Clean up after removal of simple unions
Commit 4e99f4b12c (qapi: Drop simple unions) missed a bit of code
dealing with simple union branches.  Drop it.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230316071325.492471-4-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2023-04-24 15:09:34 +02:00
Markus Armbruster
ecee568ef9 qapi/schema: Use super()
Commit 2cae67bcb5 (qapi: Use super() now we have Python 3) converted
the code to super().  Shortly after, commit f965e8fea6 (qapi: New
special feature flag "deprecated") neglected to use super().  Convert
it now.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230316071325.492471-3-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-04-24 15:09:24 +02:00
Markus Armbruster
bc5d303164 qapi: Fix error message format regression
Commit 52a474180a changed reporting of errors connected to a source
location without mentioning it in the commit message.  For instance,

    $ python scripts/qapi-gen.py tests/qapi-schema/unknown-escape.json
    tests/qapi-schema/unknown-escape.json:3:21: unknown escape \x

became

    scripts/qapi-gen.py: tests/qapi-schema/unknown-escape.json:3:21: unknown escape \x

This is not how compilers report such errors, and Emacs doesn't
recognize the format.  Revert this change.

Fixes: 52a474180a (qapi-gen: Separate arg-parsing from generation)
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230316071325.492471-2-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2023-04-24 15:09:10 +02:00
Thomas Huth
0f220121a4 meson_options.txt: Enable qom-cast-debug by default again
This switch had been disabled by default by accident in commit
c55cf6ab03. But we should enable it by default instead to avoid
regressions in the QOM device hierarchy.

Fixes: c55cf6ab03 ("configure, meson: move some default-disabled options to meson_options.txt")
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20230417130037.236747-3-thuth@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-04-21 04:25:52 -04:00
Paolo Bonzini
32a9d73579 coverity: unify Fedora dockerfiles
The Fedora CI and coverity runs are using a slightly different set of
packages.  Copy most of the content over from tests/docker while
keeping the commands at the end that unpack the tools.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20230331174844.376300-1-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-04-20 11:17:36 +02:00
Paolo Bonzini
cf9d4e68d7 qapi-gen: mark coroutine QMP command functions as coroutine_fn
Coroutine commands have to be declared as coroutine_fn, but the
marker does not show up in the qapi-comands-* headers; likewise, the
marshaling function calls the command and therefore must be coroutine_fn.
Static analysis would want coroutine_fn to match between prototype and
declaration, because in principle coroutines might be compiled to a
completely different calling convention.  So we would like to add the
marker to the header.

Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-04-20 11:17:35 +02:00
Paolo Bonzini
cc03dfa827 coverity: update COMPONENTS.md
Hexagon is split into two components because it has hundreds of false positives
in the generated files.

capstone and slirp have been removed.

hw/nvme is added to block.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-04-20 11:17:35 +02:00
Marc-André Lureau
bc848265bc mtest2make.py: teach suite name that are just "PROJECT"
A subproject test may be simply in the "PROJECT" suite (such as
"qemu-common" with the following patches)

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20230302131848.1527460-2-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-04-20 11:17:34 +02:00
Alex Bennée
899c3fc2dc scripts/coverage: initial coverage comparison script
This is a very rough and ready first pass at comparing gcovr's json
output between two different runs. At the moment it will give you a
file level diff between two runs but hopefully it wont be too hard to
extend to give better insight.

After generating the coverage results you run with something like:

  ./scripts/coverage/compare_gcov_json.py \
    -a ./builds/gcov.config1/coverage.json \
    -b ./builds/gcov.config2/coverage.json

My hope is we can use this to remove some redundancy from testing as
well as evaluate if new tests are actually providing additional
coverage or just burning our precious CI time.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Cc: Kautuk Consul <kconsul@linux.vnet.ibm.com>
Acked-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20230403134920.2132362-2-alex.bennee@linaro.org>
2023-04-04 15:16:29 +01:00
Alex Bennée
82790dfefc scripts/ci: update gitlab-runner playbook to handle CentOS
This was broken when we moved to using the pre-built packages as we
didn't take care to ensure we used RPMs where required.

NB: I could never get this to complete on my test setup but I suspect
this was down to network connectivity and timeouts while downloading.

Fixes: 69c4befba1 (scripts/ci: update gitlab-runner playbook to use latest runner)
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230315174331.2959-5-alex.bennee@linaro.org>
2023-03-22 15:06:57 +00:00
Alex Bennée
6df250e181 scripts/ci: add libslirp-devel to build-environment
Without libslip enabled we won't have user networking which means the
KVM tests won't run.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230315174331.2959-4-alex.bennee@linaro.org>
2023-03-22 15:06:57 +00:00
Akihiko Odaki
f9757020bf tests/avocado: Add igb test
This automates ethtool tests for igb registers, interrupts, etc.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2023-03-10 17:26:47 +08:00
Alex Bennée
bcbc36a98f testing: probe gdb for supported architectures ahead of time
Currently when we encounter a gdb that is old or not built with
multiarch in mind we fail rather messily. Try and improve the
situation by probing ahead of time and setting
HOST_GDB_SUPPORTS_ARCH=y in the relevant tcg configs. We can then skip
and give a more meaningful message if we don't run the test.

Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230302190846.2593720-24-alex.bennee@linaro.org>
Message-Id: <20230303025805.625589-24-richard.henderson@linaro.org>
2023-03-07 20:44:09 +00:00
Richard Henderson
29c87a281e tracing: remove transform.py
This file, and a couple of uses, got left behind when the
tcg stuff was removed from tracetool.

Fixes: 126d4123c5 ("tracing: excise the tcg related from tracetool")
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05 13:44:08 -08:00
Peter Maydell
6276340310 - buildsys
- Various header cleaned up (removing pointless headers)
   - Mark various files/code user/system specific
   - Make various objects target-independent
   - Remove tswapN() calls from dump.o
   - Suggest g_assert_not_reached() instead of assert(0)
 
 - qdev / qom
   - Replace various container_of() by QOM cast macros
   - Declare some QOM macros using OBJECT_DECLARE_TYPE()
   - Embed OHCI QOM child in SM501 chipset
 
 - hw (ISA & IDE)
   - add some documentation, improve function names
   - un-inline, open-code few functions
   - have ISA API accessing IRQ/DMA prefer ISABus over ISADevice
   - Demote IDE subsystem maintenance to "Odd Fixes"
 
 - ui: Improve Ctrl+Alt hint on Darwin Cocoa
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Merge tag 'buildsys-qom-qdev-ui-20230227' of https://github.com/philmd/qemu into staging

- buildsys
  - Various header cleaned up (removing pointless headers)
  - Mark various files/code user/system specific
  - Make various objects target-independent
  - Remove tswapN() calls from dump.o
  - Suggest g_assert_not_reached() instead of assert(0)

- qdev / qom
  - Replace various container_of() by QOM cast macros
  - Declare some QOM macros using OBJECT_DECLARE_TYPE()
  - Embed OHCI QOM child in SM501 chipset

- hw (ISA & IDE)
  - add some documentation, improve function names
  - un-inline, open-code few functions
  - have ISA API accessing IRQ/DMA prefer ISABus over ISADevice
  - Demote IDE subsystem maintenance to "Odd Fixes"

- ui: Improve Ctrl+Alt hint on Darwin Cocoa

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* tag 'buildsys-qom-qdev-ui-20230227' of https://github.com/philmd/qemu: (125 commits)
  ui/cocoa: user friendly characters for release mouse
  dump: Add create_win_dump() stub for non-x86 targets
  dump: Simplify compiling win_dump.o by introducing win_dump_available()
  dump: Clean included headers
  dump: Replace TARGET_PAGE_SIZE -> qemu_target_page_size()
  dump: Replace tswapN() -> cpu_to_dumpN()
  hw/ide/pci: Add PCIIDEState::isa_irq[]
  hw/ide/via: Replace magic 2 value by ARRAY_SIZE / MAX_IDE_DEVS
  hw/ide/piix: Refactor pci_piix_init_ports as pci_piix_init_bus per bus
  hw/ide/piix: Pass Error* to pci_piix_init_ports() for better error msg
  hw/ide/piix: Remove unused includes
  hw/ide/pci: Unexport bmdma_active_if()
  hw/ide/ioport: Remove unnecessary includes
  hw/ide: Declare ide_get_[geometry/bios_chs_trans] in 'hw/ide/internal.h'
  hw/ide: Rename idebus_active_if() -> ide_bus_active_if()
  hw/ide: Rename ide_init2() -> ide_bus_init_output_irq()
  hw/ide: Rename ide_exec_cmd() -> ide_bus_exec_cmd()
  hw/ide: Rename ide_register_restart_cb -> ide_bus_register_restart_cb
  hw/ide: Rename ide_create_drive() -> ide_bus_create_drive()
  hw/ide: Rename ide_set_irq() -> ide_bus_set_irq()
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-02-28 15:09:18 +00:00
Philippe Mathieu-Daudé
837cd584f4 scripts/checkpatch.pl: Do not allow assert(0)
Since commit 262a69f428 ("osdep.h: Prohibit disabling assert()
in supported builds") we can not build QEMU with NDEBUG (or
G_DISABLE_ASSERT) defined, thus 'assert(0)' always aborts QEMU.

However some static analyzers / compilers doesn't notice NDEBUG
can't be defined and emit warnings if code is used after an
'assert(0)' call.

Apparently such compiler isn't as clever with G_DISABLE_ASSERT,
so we can silent these warnings by using g_assert_not_reached()
which is easier to read anyway.

In order to avoid these annoying warnings, add a checkpatch rule
to prohibit 'assert(0)'. Suggest using g_assert_not_reached()
instead. For example when reverting the previous patch we get:

  ERROR: use g_assert_not_reached() instead of assert(0)
  #21: FILE: target/ppc/dfp_helper.c:124:
  +            assert(0); /* cannot get here */

  ERROR: use g_assert_not_reached() instead of assert(0)
  #30: FILE: target/ppc/dfp_helper.c:141:
  +            assert(0); /* cannot get here */

  total: 2 errors, 0 warnings, 16 lines checked

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230221232520.14480-3-philmd@linaro.org>
2023-02-27 22:29:02 +01:00
John Snow
1b1be8d3cc meson: stop looking for 'sphinx-build-3'
Once upon a time, "sphinx-build" on certain RPM platforms invoked
specifically a Python 2.x version, while "sphinx-build-3" was a distro
shim for the Python 3.x version.

These days, none of our supported platforms utilize a 2.x version, and
those that still have 'sphinx-build-3' make it a symbolic link to
'sphinx-build'.  Not searching for 'sphinx-build-3' will prefer
pip/venv installed versions of sphinx if they're available.

This adds an extremely convenient ability to test document building
ability in QEMU across multiple versions of Sphinx for the purposes of
compatibility testing.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-Id: <20230221012456.2607692-6-jsnow@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-02-27 11:01:30 +01:00
Markus Armbruster
1248a15965 meson: Avoid duplicates in generated config-poison.h again
Commit eed56e9a89 "configure, meson: move config-poison.h to meson"
lost a "| sort -u".  Restore it.  config-poison shrinks from ~4500 to
~700 lines when all targets are enabled.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230206102037.3621709-1-armbru@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-02-27 09:18:56 +01:00
John Snow
c7b7a7ded9 qapi: remove JSON value FIXME
With the two major JSON-ish type hierarchies clarified for distinct
purposes; QAPIExpression for parsed expressions and JSONValue for
introspection data, remove this FIXME as no longer an action item.

A third JSON-y data type, _ExprValue, is not meant to represent JSON in
the abstract but rather only the possible legal return values from a
single function, get_expr(). It isn't appropriate to attempt to merge it
with either of the above two types.

In theory, it may be possible to define a completely agnostic
one-size-fits-all JSON type hierarchy that any other user could borrow -
in practice, it's tough to wrangle the differences between invariant,
covariant and contravariant types: input and output parameters demand
different properties of such a structure.

However, QAPIExpression serves to authoritatively type user input to the
QAPI parser, while JSONValue serves to authoritatively type qapi
generator *output* to be served back to client users at runtime via
QMP. The AST for these two types are different and cannot be wholly
merged into a unified syntax.

They could, in theory, share some JSON primitive definitions. In
practice, this is currently more trouble than it's worth with mypy's
current expressive power. As such, declare this "done enough for now".

Signed-off-by: John Snow <jsnow@redhat.com>
Message-Id: <20230215000011.1725012-7-jsnow@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
2023-02-23 13:01:45 +01:00
John Snow
67a81f9fb7 qapi: remove _JSONObject
We can remove this alias as it only has two usages now, and no longer
pays for the confusion of "yet another type".

Signed-off-by: John Snow <jsnow@redhat.com>
Message-Id: <20230215000011.1725012-6-jsnow@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
2023-02-23 13:01:45 +01:00
John Snow
420110591c qapi/parser: add QAPIExpression type
This patch creates a new type, QAPIExpression, which represents a parsed
expression complete with QAPIDoc and QAPISourceInfo.

This patch turns parser.exprs into a list of QAPIExpression instead,
and adjusts expr.py to match.

This allows the types we specify in parser.py to be "remembered" all the
way through expr.py and into schema.py. Several assertions around
packing and unpacking this data can be removed as a result.

It also corrects a harmless typing error.  Before the patch,
check_exprs() allegedly takes a List[_JSONObject].  It actually takes
a list of dicts of the form

    {'expr': E, 'info': I, 'doc': D}

where E is of type _ExprValue, I is of type QAPISourceInfo, and D is
of type QAPIDoc.  Key 'doc' is optional.  This is not a _JSONObject!
Passes type checking anyway, because _JSONObject is Dict[str, object].

Signed-off-by: John Snow <jsnow@redhat.com>
Message-Id: <20230215000011.1725012-5-jsnow@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Commit message amended to point out the typing fix]
2023-02-23 13:01:45 +01:00
John Snow
c60caf8086 qapi: Add minor typing workaround for 3.6
Pylint under 3.6 does not believe that Collection is subscriptable at
runtime. It is, making this a Pylint
bug. https://github.com/PyCQA/pylint/issues/2377

They closed it as fixed, but that doesn't seem to be true as of Pylint
2.13.9, the latest version you can install under Python 3.6. 2.13.9 was
released 2022-05-13, about seven months after the bug was closed.

The least-annoying fix here is to just use the concret type.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-Id: <20230215000011.1725012-4-jsnow@redhat.com>
[Dumbed down from Sequence[str] to List[str], commit message adjusted]
Reviewed-by: Markus Armbruster <armbru@redhat.com>
2023-02-23 13:01:14 +01:00
John Snow
885ecdbec9 qapi: update pylint configuration
Newer versions of pylint disable the "no-self-use" message by
default. Older versions don't, though. If we leave the suppressions in,
pylint yelps about useless options. Just tell pylint to shush.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230215000011.1725012-3-jsnow@redhat.com>
2023-02-23 12:49:39 +01:00
John Snow
6f2ddcde77 qapi: Update flake8 config
New versions of flake8 don't like same-line comments. (It's a version
newer than what fc37 ships, but it still makes my life easier to fix it
now.)

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230215000011.1725012-2-jsnow@redhat.com>
2023-02-23 12:49:39 +01:00
Peter Maydell
0aaf44776e Remove C virtiofsd
We deprecated the C virtiofsd in commit 34deee7b6a
 in v7.0 in favour of the Rust implementation at
 
   https://gitlab.com/virtio-fs/virtiofsd
 
 since then, the Rust version has had more development and
 has held up well.  It's time to say goodbye to the C version
 that got us going.
 
 Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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Merge tag 'pull-virtiofs-20230216b' of https://gitlab.com/dagrh/qemu into staging

Remove C virtiofsd

We deprecated the C virtiofsd in commit 34deee7b6a
in v7.0 in favour of the Rust implementation at

  https://gitlab.com/virtio-fs/virtiofsd

since then, the Rust version has had more development and
has held up well.  It's time to say goodbye to the C version
that got us going.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>

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* tag 'pull-virtiofs-20230216b' of https://gitlab.com/dagrh/qemu:
  virtiofsd: Swing deprecated message to removed-features
  virtiofsd: Remove source
  virtiofsd: Remove build and docs glue
  virtiofsd: Remove test

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-02-20 17:07:30 +00:00
Kevin Wolf
d6ee2e324e block-coroutine-wrapper: Introduce no_co_wrapper
Some functions must not be called from coroutine context. The common
pattern to use them anyway from a coroutine is running them in a BH and
letting the calling coroutine yield to be woken up when the BH is
completed.

Instead of manually writing such wrappers, add support for generating
them to block-coroutine-wrapper.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20230126172432.436111-2-kwolf@redhat.com>
Reviewed-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Reviewed-by: Hanna Czenczek <hreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-02-17 11:22:19 +01:00
Dr. David Alan Gilbert
8ab5e8a503 virtiofsd: Remove build and docs glue
Remove all the virtiofsd build and docs infrastructure.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-02-16 18:15:08 +00:00
Dr. David Alan Gilbert
5da7701e2a virtiofsd: Remove test
Rmove the avocado test for virtiofsd, since we're about to remove
the C implementation.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-02-16 18:15:08 +00:00
Peter Maydell
003ba52a8b * block/iscsi: fix double-free on BUSY or similar statuses
* catch [accel] entry without accelerator
 * target/i386: various fixes for BMI and ADX instructions
 * make the contents of meson-buildoptions.sh stable
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* block/iscsi: fix double-free on BUSY or similar statuses
* catch [accel] entry without accelerator
* target/i386: various fixes for BMI and ADX instructions
* make the contents of meson-buildoptions.sh stable

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# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
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# 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
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* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
  libqtest: ensure waitpid() is only called once
  libqtest: split qtest_spawn_qemu function
  target/i386: fix ADOX followed by ADCX
  target/i386: Fix C flag for BLSI, BLSMSK, BLSR
  target/i386: Fix BEXTR instruction
  tests/tcg/i386: Introduce and use reg_t consistently
  vl: catch [accel] entry without accelerator
  block/iscsi: fix double-free on BUSY or similar statuses
  remove unnecessary extern "C" blocks
  build: make meson-buildoptions.sh stable

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-02-16 11:16:39 +00:00
Ilya Leoshkevich
bc71d58fd7 meson: Add missing libdw knobs
Add the missing meson infrastructure bits for the new libdw
dependency. Model them after the existing capstone knobs.

Fixes: 7c10cb38cc ("accel/tcg: Add debuginfo support")
Reported-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20230210005208.438142-1-iii@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-02-14 09:02:42 +01:00
ling xu
04ffce137b AVX512 support for xbzrle_encode_buffer
This commit is the same with [PATCH v6 1/2], and provides avx512 support for xbzrle_encode_buffer
function to accelerate xbzrle encoding speed. Runtime check of avx512
support and benchmark for this feature are added. Compared with C
version of xbzrle_encode_buffer function, avx512 version can achieve
50%-70% performance improvement on benchmarking. In addition, if dirty
data is randomly located in 4K page, the avx512 version can achieve
almost 140% performance gain.

Signed-off-by: ling xu <ling1.xu@intel.com>
Co-authored-by: Zhou Zhao <zhou.zhao@intel.com>
Co-authored-by: Jun Jin <jun.i.jin@intel.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2023-02-11 16:51:09 +01:00
Paolo Bonzini
808d15b383 build: make meson-buildoptions.sh stable
The library directory can change depending on the multilib setup of the host.
It would be even better to detect it in configure with the same algorithm
that Meson uses, but the important thing to avoid confusing developers is
to have identical contents of scripts/meson-buildoptions.sh, independent
of the distro and architecture on which it was created.

So, for now just give a custom default value to libdir.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-02-10 14:12:06 +01:00
Peter Maydell
ae2b5d8381 Header cleanup patches for 2023-02-06
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Merge tag 'pull-include-2023-02-06-v2' of https://repo.or.cz/qemu/armbru into staging

Header cleanup patches for 2023-02-06

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# gpg:                using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
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# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* tag 'pull-include-2023-02-06-v2' of https://repo.or.cz/qemu/armbru:
  Drop duplicate #include
  Don't include headers already included by qemu/osdep.h
  Fix non-first inclusions of qemu/osdep.h
  accel: Clean up includes
  block: Clean up includes
  riscv: Clean up includes
  target/hexagon: Clean up includes
  net: Clean up includes
  migration: Clean up includes
  qga: Clean up includes
  hw/tricore: Clean up includes
  hw/input: Clean up includes
  hw/cxl: Clean up includes
  crypto: Clean up includes
  bsd-user: Clean up includes
  scripts/clean-includes: Improve --git commit message
  scripts/clean-includes: Skip symbolic links
  scripts/clean-includes: Don't claim duplicate headers found when not
  scripts/clean-includes: Fully skip / ignore files

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-02-08 10:40:06 +00:00
Markus Armbruster
d598d9746e scripts/clean-includes: Improve --git commit message
The script drops #include "qemu/osdep.h" from headers.  Mention it in
the commit message it uses for --git.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20230202133830.2152150-5-armbru@redhat.com>
2023-02-08 07:16:23 +01:00
Markus Armbruster
6a7f0515fd scripts/clean-includes: Skip symbolic links
When a symbolic link points to a file that needs cleaning, the script
replaces the link with a cleaned regular file.  Not wanted; skip them.

We have a few symbolic links under subprojects/libvduse/ and
subprojects/libvhost-user/.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20230202133830.2152150-4-armbru@redhat.com>
2023-02-08 07:16:23 +01:00
Markus Armbruster
2555150244 scripts/clean-includes: Don't claim duplicate headers found when not
When running with --check-dup-head, the script always claims it "Found
duplicate header file includes."  Fix to do it only when it actually
found some.

Fixes: d66253e46a ("scripts/clean-includes: added duplicate #include check")
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20230202133830.2152150-3-armbru@redhat.com>
2023-02-08 07:16:23 +01:00
Markus Armbruster
aa735872a8 scripts/clean-includes: Fully skip / ignore files
When clean-includes claims to skip or ignore a file, only the part
that sanitizes use of qemu/osdep.h skips the file.  The part that
looks for duplicate #include does not, and neither does committing to
Git.

The latter can get unrelated stuff included in the commit, but only if
you run clean-includes in a dirty tree, which is unwise.  Messed up
when we added skipping in commit fd3e39a40c "scripts/clean-includes:
Enhance to handle header files".

The former can cause bogus reports for --check-dup-head.  Added in
commit d66253e46a "scripts/clean-includes: added duplicate #include
check", duplicating the prior mistake.

Fix the script to fully skip files.

Fixes: fd3e39a40c ("scripts/clean-includes: Enhance to handle header files")
Fixes: d66253e46a ("scripts/clean-includes: added duplicate #include check")
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20230202133830.2152150-2-armbru@redhat.com>
2023-02-08 07:16:23 +01:00
Paolo Bonzini
11b4a4eeec scripts/ci: bump CentOS Python to 3.8
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-02-06 13:21:28 +01:00
Paolo Bonzini
cb1513df3f scripts/ci: unify package lists for CentOS in build-environment files
scripts/ci/org.centos/stream/8/build-environment.yml has a slightly different
list of packages compared to scripts/ci/setup/build-environment.yaml.  Make
them the same.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-02-06 13:21:27 +01:00
Paolo Bonzini
a925323008 scripts/ci: add capstone development packages
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-02-06 13:21:25 +01:00
Paolo Bonzini
4b950af8d3 scripts/ci: support CentOS Stream 8 in build-environment.yaml
Update the CI playbook so that it is able to prepare a system with a
fresh CentOS Stream 8 install, rather than just support RHEL.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-02-06 13:21:21 +01:00
Paolo Bonzini
9b97d07748 scripts/ci: remove unnecessary checks from CentOS playbook
Since this playbook is meant for a CentOS 8 install, no need to check
the facts.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-02-06 13:21:13 +01:00
Peter Maydell
5736527050 Block layer patches
- qemu-img info: Show protocol-level information
 - Move more functions to coroutines
 - Make coroutine annotations ready for static analysis
 - qemu-img: Fix exit code for errors closing the image
 - qcow2 bitmaps: Fix theoretical corruption in error path
 - pflash: Only load non-zero parts of backend image to save memory
 - Code cleanup and test case improvements
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Merge tag 'for-upstream' of https://repo.or.cz/qemu/kevin into staging

Block layer patches

- qemu-img info: Show protocol-level information
- Move more functions to coroutines
- Make coroutine annotations ready for static analysis
- qemu-img: Fix exit code for errors closing the image
- qcow2 bitmaps: Fix theoretical corruption in error path
- pflash: Only load non-zero parts of backend image to save memory
- Code cleanup and test case improvements

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# gpg: Signature made Wed 01 Feb 2023 16:00:53 GMT
# gpg:                using RSA key DC3DEB159A9AF95D3D7456FE7F09B272C88F2FD6
# gpg:                issuer "kwolf@redhat.com"
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full]
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74  56FE 7F09 B272 C88F 2FD6

* tag 'for-upstream' of https://repo.or.cz/qemu/kevin: (38 commits)
  qemu-img: Change info key names for protocol nodes
  qemu-img: Let info print block graph
  iotests/106, 214, 308: Read only one size line
  iotests: Filter child node information
  block/qapi: Add indentation to bdrv_node_info_dump()
  block/qapi: Introduce BlockGraphInfo
  block/qapi: Let bdrv_query_image_info() recurse
  qemu-img: Use BlockNodeInfo
  block: Split BlockNodeInfo off of ImageInfo
  block/vmdk: Change extent info type
  block/file: Add file-specific image info
  block: Improve empty format-specific info dump
  block/nbd: Add missing <qemu/bswap.h> include
  block: Rename bdrv_load/save_vmstate() to bdrv_co_load/save_vmstate()
  block: Convert bdrv_debug_event() to co_wrapper_mixed
  block: Convert bdrv_lock_medium() to co_wrapper
  block: Convert bdrv_eject() to co_wrapper
  block: Convert bdrv_get_info() to co_wrapper_mixed
  block: Convert bdrv_get_allocated_file_size() to co_wrapper
  block: use bdrv_co_refresh_total_sectors when possible
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-02-03 12:43:10 +00:00
Marc-André Lureau
7a6e869cb5 lcitool: drop perl from QEMU project/dependencies
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230110132700.833690-8-marcandre.lureau@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230124180127.1881110-12-alex.bennee@linaro.org>
2023-02-02 10:44:23 +00:00
Alex Bennée
3ab8bf8341 gitlab: add lsan suppression file to workaround tcmalloc issues
The up-coming upgrade to Fedora 37 will bring in libtcmalloc as a
dependency of libglusterfs which confuses our fuzz run. Rather than
disable the build lets use LSAN's suppression mechanism to prevent the
job from failing.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Cc: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20230124180127.1881110-10-alex.bennee@linaro.org>
2023-02-02 10:44:23 +00:00
Marc-André Lureau
e2c4012bc3 build-sys: fix crlf-ending C code
On msys2, the shader-to-C script produces bad C:
./ui/shader/texture-blit-vert.h:2:5: error: missing terminating " character [-Werror]

Fix it by changing the line ending from crlf to lf, and convert the
script to Python (qemu build seems perl-free after that).

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20230110132700.833690-2-marcandre.lureau@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230124180127.1881110-6-alex.bennee@linaro.org>
2023-02-02 10:44:23 +00:00
Alex Bennée
69c4befba1 scripts/ci: update gitlab-runner playbook to use latest runner
We were using quite and old runner on our machines and running into
issues with stalling jobs. Gitlab in the meantime now reliably provide
the latest packaged versions of the runner under a stable URL. This
update:

  - creates a per-arch subdir for builds
  - switches from binary tarballs to deb packages
  - re-uses the same binary for the secondary runner
  - updates distro check for second to 22.04

Note this script isn't fully idempotent as we end up accumulating
runners especially during testing. However we also want to be able to
run twice with different GitLab keys (e.g. project and personal) so I
think we just have to be mindful of that during testing.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230124180127.1881110-2-alex.bennee@linaro.org>
2023-02-02 10:44:23 +00:00
Emanuele Giuseppe Esposito
5b317b8dd9 block-coroutine-wrapper: support void functions
Just omit the various 'return' when the return type is void.

Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20230113204212.359076-2-kwolf@redhat.com>
Reviewed-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-02-01 16:52:32 +01:00
Markus Armbruster
e2c1c34f13 include/block: Untangle inclusion loops
We have two inclusion loops:

       block/block.h
    -> block/block-global-state.h
    -> block/block-common.h
    -> block/blockjob.h
    -> block/block.h

       block/block.h
    -> block/block-io.h
    -> block/block-common.h
    -> block/blockjob.h
    -> block/block.h

I believe these go back to Emanuele's reorganization of the block API,
merged a few months ago in commit d7e2fe4aac.

Fortunately, breaking them is merely a matter of deleting unnecessary
includes from headers, and adding them back in places where they are
now missing.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20221221133551.3967339-2-armbru@redhat.com>
2023-01-20 07:24:28 +01:00
Philippe Mathieu-Daudé
4828656f65 scripts/git.orderfile: Display MAINTAINERS changes first
If we get custom to see MAINTAINERS changes first,
we might catch missing MAINTAINERS updates easier.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20221216225505.26052-1-philmd@linaro.org>
2023-01-13 16:22:57 +01:00
Peter Maydell
3d83b78285 * Atomic memslot updates for KVM (Emanuele, David)
* Always send errors to logfile when daemonized (Greg)
 * Add support for IDE CompactFlash card (Lubomir)
 * First round of build system cleanups (myself)
 * First round of feature removals (myself)
 * Reduce "qemu/accel.h" inclusion (Philippe)
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* Atomic memslot updates for KVM (Emanuele, David)
* Always send errors to logfile when daemonized (Greg)
* Add support for IDE CompactFlash card (Lubomir)
* First round of build system cleanups (myself)
* First round of feature removals (myself)
* Reduce "qemu/accel.h" inclusion (Philippe)

# gpg: Signature made Thu 05 Jan 2023 23:51:09 GMT
# 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

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (24 commits)
  i386: SGX: remove deprecated member of SGXInfo
  target/i386: Add SGX aex-notify and EDECCSSA support
  util: remove support -chardev tty and -chardev parport
  util: remove support for hex numbers with a scaling suffix
  KVM: remove support for kernel-irqchip=off
  docs: do not talk about past removal as happening in the future
  meson: accept relative symlinks in "meson introspect --installed" data
  meson: cleanup compiler detection
  meson: support meson 0.64 -Doptimization=plain
  configure: test all warnings
  tests/qapi-schema: remove Meson workaround
  meson: cleanup dummy-cpus.c rules
  meson: tweak hardening options for Windows
  configure: remove backwards-compatibility and obsolete options
  configure: preserve qemu-ga variables
  configure: cleanup $cpu tests
  configure: remove dead function
  configure: remove useless write_c_skeleton
  ide: Add "ide-cf" driver, a CompactFlash card
  ide: Add 8-bit data mode
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-08 14:27:40 +00:00
Paolo Bonzini
f32eb0021a meson: accept relative symlinks in "meson introspect --installed" data
When installing shared libraries, as is the case for libvfio-user.so,
Meson will include relative symbolic links in the output of
"meson introspect --installed":

  {
    "libvfio-user.so": "/usr/local/lib64/libvfio-user.so",
    ...
  }

In the case of scripts/symlink-install-tree.py, this will
be a symbolic link to a symbolic link but, in any case, there is
no issue in creating it.

Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-01-06 00:51:02 +01:00
Paolo Bonzini
10229ec3b0 configure: remove backwards-compatibility and obsolete options
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-01-06 00:50:54 +01:00
Alessandro Di Federico
dc63b1492c Update scripts/meson-buildoptions.sh
Note: `Makefile` relies on modification dates in the source tree to
detect changes to `meson_options.txt`. However, git does not track
those. Therefore, the following was necessary to regenerate
`meson-buildoptions.sh`:

    touch meson_options.txt
    cd "$BUILD_DIR"
    make update-buildoptions

Signed-off-by: Alessandro Di Federico <ale@rev.ng>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <20230102104113.3438895-1-ale@rev.ng>
2023-01-05 09:19:02 -08:00
Peter Maydell
d038d2645a Block layer patches
- Code cleanups around block graph modification
 - Simplify drain
 - coroutine_fn correctness fixes, including splitting generated
   coroutine wrappers into co_wrapper (to be called only from
   non-coroutine context) and co_wrapper_mixed (both coroutine and
   non-coroutine context)
 - Introduce a block graph rwlock
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Merge tag 'for-upstream' of https://repo.or.cz/qemu/kevin into staging

Block layer patches

- Code cleanups around block graph modification
- Simplify drain
- coroutine_fn correctness fixes, including splitting generated
  coroutine wrappers into co_wrapper (to be called only from
  non-coroutine context) and co_wrapper_mixed (both coroutine and
  non-coroutine context)
- Introduce a block graph rwlock

# gpg: Signature made Thu 15 Dec 2022 15:08:34 GMT
# gpg:                using RSA key DC3DEB159A9AF95D3D7456FE7F09B272C88F2FD6
# gpg:                issuer "kwolf@redhat.com"
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full]
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74  56FE 7F09 B272 C88F 2FD6

* tag 'for-upstream' of https://repo.or.cz/qemu/kevin: (50 commits)
  block: GRAPH_RDLOCK for functions only called by co_wrappers
  block: use co_wrapper_mixed_bdrv_rdlock in functions taking the rdlock
  block-coroutine-wrapper.py: introduce annotations that take the graph rdlock
  Mark assert_bdrv_graph_readable/writable() GRAPH_RD/WRLOCK
  graph-lock: TSA annotations for lock/unlock functions
  block: assert that graph read and writes are performed correctly
  block: remove unnecessary assert_bdrv_graph_writable()
  block: wrlock in bdrv_replace_child_noperm
  block: Fix locking in external_snapshot_prepare()
  test-bdrv-drain: Fix incorrrect drain assumptions
  clang-tsa: Add macros for shared locks
  clang-tsa: Add TSA_ASSERT() macro
  Import clang-tsa.h
  async: Register/unregister aiocontext in graph lock list
  graph-lock: Implement guard macros
  graph-lock: Introduce a lock to protect block graph operations
  block: Factor out bdrv_drain_all_begin_nopoll()
  block/dirty-bitmap: convert coroutine-only functions to co_wrapper
  block: convert bdrv_create to co_wrapper
  block-coroutine-wrapper.py: support also basic return types
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-12-16 13:26:09 +00:00
Emanuele Giuseppe Esposito
e6d3f7a602 block-coroutine-wrapper.py: introduce annotations that take the graph rdlock
Add co_wrapper_bdrv_rdlock and co_wrapper_mixed_bdrv_rdlock option to
the block-coroutine-wrapper.py script.

This "_bdrv_rdlock" option takes and releases the graph rdlock when a
coroutine function is created.

This means that when used together with "_mixed", the function marked
with co_wrapper_mixed_bdrv_rdlock will support both coroutine and
non-coroutine case, and in the latter case it will create a coroutine
that takes and releases the rdlock. When called from a coroutine, the
caller must already hold the graph lock.

Example:
void co_wrapper_mixed_bdrv_rdlock bdrv_f1();

Becomes

static void bdrv_co_enter_f1()
{
    bdrv_graph_co_rdlock();
    bdrv_co_function();
    bdrv_graph_co_rdunlock();
}

void bdrv_f1()
{
    if (qemu_in_coroutine) {
        assume_graph_lock();
        bdrv_co_function();
    } else {
        qemu_co_enter(bdrv_co_enter_f1);
        ...
    }
}

When used alone, the function will not work in coroutine context, and
when called in non-coroutine context it will create a new coroutine that
takes care of taking and releasing the rdlock automatically.

Example:
void co_wrapper_bdrv_rdlock bdrv_f1();

Becomes

static void bdrv_co_enter_f1()
{
    bdrv_graph_co_rdlock();
    bdrv_co_function();
    bdrv_graph_co_rdunlock();
}

void bdrv_f1()
{
    assert(!qemu_in_coroutine());
    qemu_co_enter(bdrv_co_enter_f1);
    ...
}

About their usage:
- co_wrapper does not take the rdlock, so it can be used also outside
  the block layer.
- co_wrapper_mixed will be used by many blk_* functions, since the
  coroutine function needs to call blk_wait_while_drained() and
  the rdlock *must* be taken afterwards, otherwise it's a deadlock.
  In the future this annotation will go away, and blk_* will use
  co_wrapper directly.
- co_wrapper_bdrv_rdlock will be used by BlockDriver callbacks, ideally
  by all of them in the future.
- co_wrapper_mixed_bdrv_rdlock will be used by the remaining functions
  that are still called by coroutine and non-coroutine context. In the
  future this annotation will go away, as we will split such mixed
  functions.

Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20221207131838.239125-17-kwolf@redhat.com>
Reviewed-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2022-12-15 16:08:23 +01:00
Emanuele Giuseppe Esposito
6700dfb1b8 block-coroutine-wrapper.py: support also basic return types
Extend the regex to cover also return type, pointers included.
This implies that the value returned by the function cannot be
a simple "int" anymore, but the custom return type.
Therefore remove poll_state->ret and instead use a per-function
custom "ret" field.

Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Message-Id: <20221128142337.657646-13-eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2022-12-15 16:07:43 +01:00
Emanuele Giuseppe Esposito
0582fb8293 block-coroutine-wrapper.py: support functions without bs arg
Right now, we take the first parameter of the function to get the
BlockDriverState to pass to bdrv_poll_co(), that internally calls
functions that figure in which aiocontext the coroutine should run.

However, it is useless to pass a bs just to get its own AioContext,
so instead pass it directly, and default to the main loop if no
BlockDriverState is passed as parameter.

Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Message-Id: <20221128142337.657646-12-eesposit@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2022-12-15 16:07:43 +01:00
Emanuele Giuseppe Esposito
76a2f554c1 block-coroutine-wrapper.py: introduce co_wrapper
This new annotation starts just a function wrapper that creates
a new coroutine. It assumes the caller is not a coroutine.
It will be the default annotation to be used in the future.

This is much better as c_w_mixed, because it is clear if the caller
is a coroutine or not, and provides the advantage of automating
the code creation. In the future all c_w_mixed functions will be
substituted by co_wrapper.

Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Message-Id: <20221128142337.657646-11-eesposit@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2022-12-15 16:07:43 +01:00
Emanuele Giuseppe Esposito
1bd542016c block: rename generated_co_wrapper in co_wrapper_mixed
In preparation to the incoming new function specifiers,
rename g_c_w with a more meaningful name and document it.

Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Message-Id: <20221128142337.657646-10-eesposit@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2022-12-15 16:07:43 +01:00
Thomas Huth
aa4609dcb8 scripts/make-release: Only clone single branches to speed up the script
Using --single-branch and --depth 1 here helps to speed up the process
a little bit and helps to save some networking bandwidth.

Message-Id: <20221128092555.37102-3-thuth@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-12-15 15:02:35 +01:00
Thomas Huth
9bd0bcc385 scripts/make-release: Add a simple help text for the script
Print a simple help text if the script has been called with the
wrong amount of parameters.

Message-Id: <20221128092555.37102-2-thuth@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-12-15 15:02:35 +01:00
Peter Maydell
48804eebd4 Miscellaneous patches for 2022-12-14
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Merge tag 'pull-misc-2022-12-14' of https://repo.or.cz/qemu/armbru into staging

Miscellaneous patches for 2022-12-14

# gpg: Signature made Wed 14 Dec 2022 15:23:02 GMT
# gpg:                using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg:                issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* tag 'pull-misc-2022-12-14' of https://repo.or.cz/qemu/armbru:
  ppc4xx_sdram: Simplify sdram_ddr_size() to return
  block/vmdk: Simplify vmdk_co_create() to return directly
  cleanup: Tweak and re-run return_directly.cocci
  io: Tidy up fat-fingered parameter name
  qapi: Use returned bool to check for failure (again)
  sockets: Use ERRP_GUARD() where obviously appropriate
  qemu-config: Use ERRP_GUARD() where obviously appropriate
  qemu-config: Make config_parse_qdict() return bool
  monitor: Use ERRP_GUARD() in monitor_init()
  monitor: Simplify monitor_fd_param()'s error handling
  error: Move ERRP_GUARD() to the beginning of the function
  error: Drop a few superfluous ERRP_GUARD()
  error: Drop some obviously superfluous error_propagate()
  Drop more useless casts from void * to pointer

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-12-15 10:13:46 +00:00
Markus Armbruster
5efb40d657 qapi: Drop temporary logic to support conversion step by step
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221104160712.3005652-31-armbru@redhat.com>
2022-12-14 20:05:07 +01:00
Markus Armbruster
91eab32a3f qapi qga: Elide redundant has_FOO in generated C
The has_FOO for pointer-valued FOO are redundant, except for arrays.
They are also a nuisance to work with.  Recent commit "qapi: Start to
elide redundant has_FOO in generated C" provided the means to elide
them step by step.  This is the step for qga/qapi-schema.json.

Said commit explains the transformation in more detail.  The invariant
violations mentioned there do not occur here.

Cc: Michael Roth <michael.roth@amd.com>
Cc: Konstantin Kostiuk <kkostiuk@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20221104160712.3005652-30-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2022-12-14 20:05:07 +01:00
Markus Armbruster
41462e4106 qapi virtio: Elide redundant has_FOO in generated C
The has_FOO for pointer-valued FOO are redundant, except for arrays.
They are also a nuisance to work with.  Recent commit "qapi: Start to
elide redundant has_FOO in generated C" provided the means to elide
them step by step.  This is the step for qapi/virtio.json.

Said commit explains the transformation in more detail.  The invariant
violations mentioned there do not occur here.

Cc: Laurent Vivier <lvivier@redhat.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221104160712.3005652-29-armbru@redhat.com>
2022-12-14 20:05:07 +01:00
Markus Armbruster
3f41a3adb4 qapi ui: Elide redundant has_FOO in generated C
The has_FOO for pointer-valued FOO are redundant, except for arrays.
They are also a nuisance to work with.  Recent commit "qapi: Start to
elide redundant has_FOO in generated C" provided the means to elide
them step by step.  This is the step for qapi/ui.json.

Said commit explains the transformation in more detail.  The invariant
violations mentioned there do not occur here.

Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20221104160712.3005652-28-armbru@redhat.com>
2022-12-14 20:05:07 +01:00
Markus Armbruster
238e9202a2 qapi transaction: Elide redundant has_FOO in generated C
The has_FOO for pointer-valued FOO are redundant, except for arrays.
They are also a nuisance to work with.  Recent commit "qapi: Start to
elide redundant has_FOO in generated C" provided the means to elide
them step by step.  This is the step for qapi/transaction.json.

Said commit explains the transformation in more detail.  The invariant
violations mentioned there do not occur here.

In qmp_transaction(), we can't just drop parameter @has_props, since
it's used to track whether @props needs to be freed.  Replace it by a
local variable.

Cc: Kevin Wolf <kwolf@redhat.com>
Cc: Hanna Reitz <hreitz@redhat.com>
Cc: qemu-block@nongnu.org
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20221104160712.3005652-27-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2022-12-14 20:05:07 +01:00