Commit Graph

2368 Commits

Author SHA1 Message Date
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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* 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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# gpg: Signature made Mon 27 Feb 2023 21:34:24 GMT
# gpg:                using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [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: FAAB E75E 1291 7221 DCFD  6BB2 E3E3 2C2C DEAD C0DE

* 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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# Primary key fingerprint: 45F5 C71B 4A0C B7FB 977A  9FA9 0516 331E BC5B FDE7

* 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
# 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
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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
# 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-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