Commit Graph

89963 Commits

Author SHA1 Message Date
Yajun Wu
1f89d3b91e hw/virtio: Fix leak of host-notifier memory-region
If call virtio_queue_set_host_notifier_mr fails, should free
host-notifier memory-region.

Fixes: 44866521bd ("vhost-user: support registering external host notifiers")
Signed-off-by: Yajun Wu <yajunw@nvidia.com>
Message-Id: <1629077555-19907-1-git-send-email-yajunw@nvidia.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2021-09-04 09:07:45 -04:00
Eugenio Pérez
e6db5df7e2 vhost-vdpa: Do not send empty IOTLB update batches
With the introduction of the batch hinting, meaningless batches can be
created with no IOTLB updates if the memory region was skipped by
vhost_vdpa_listener_skipped_section. This is the case of host notifiers
memory regions, device un/realize, and others. This causes the vdpa
device to receive dma mapping settings with no changes, a possibly
expensive operation for nothing.

To avoid that, VHOST_IOTLB_BATCH_BEGIN hint is delayed until we have a
meaningful (not skipped section) mapping or unmapping operation, and
VHOST_IOTLB_BATCH_END is not written unless at least one of _UPDATE /
_INVALIDATE has been issued.

v3:
  * Use a bool instead of a counter avoiding potential number wrapping
  * Fix bad check on _commit
  * Move VHOST_BACKEND_F_IOTLB_BATCH check to
    vhost_vdpa_iotlb_batch_begin_once

v2 (from RFC):
  * Rename misleading name
  * Abstract start batching function for listener_add/del

Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Message-Id: <20210812140933.226288-1-eperezma@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2021-09-04 09:07:45 -04:00
Markus Armbruster
34f7b25e57 qapi: Tweak error messages for unknown / conflicting 'if' keys
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20210831123809.1107782-13-armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2021-09-03 17:09:10 +02:00
Markus Armbruster
6dcf03719a qapi: Tweak error messages for missing / conflicting meta-type
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20210831123809.1107782-12-armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2021-09-03 17:09:10 +02:00
Markus Armbruster
9c629fa834 tests/qapi-schema: Hide OrderedDict in test output
Since commit 5d83b9a130 "qapi: replace if condition list with dict
{'all': [...]}", we represent if conditionals as trees consisting of
OrderedDict, list and str.  This results in less than legible test
output.  For instance:

    if OrderedDict([('not', OrderedDict([('any', [OrderedDict([('not', 'TEST_IF_EVT')]), OrderedDict([('not', 'TEST_IF_STRUCT')])])]))])

We intend to replace OrderedDict by dict when we get Python 3.7, which
will result in more legible output:

    if {'not': {'any': [{'not': 'TEST_IF_EVT'}, {'not': 'TEST_IF_STRUCT'}]}}

Can't wait: put in a hack to get that now, with a comment to revert it
when we replace OrderedDict.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20210831123809.1107782-11-armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2021-09-03 17:09:10 +02:00
Markus Armbruster
555dd1aaa6 qapi: Use re.fullmatch() where appropriate
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20210831123809.1107782-10-armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2021-09-03 17:09:10 +02:00
Markus Armbruster
d0830ee443 qapi: Use "not COND" instead of "!COND" for generated documentation
Generated documentation uses operators "and", "or", and "!".  Change
the latter to "not".

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20210831123809.1107782-9-armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2021-09-03 17:09:10 +02:00
Markus Armbruster
a7987799d1 qapi: Avoid redundant parens in code generated for conditionals
Commit 6cc2e4817f "qapi: introduce QAPISchemaIfCond.cgen()" caused a
minor regression: redundant parenthesis.  Subsequent commits
eliminated of many of them, but not all.  Get rid of the rest now.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20210831123809.1107782-8-armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2021-09-03 17:09:10 +02:00
Markus Armbruster
ccea6a8637 qapi: Factor common recursion out of cgen_ifcond(), docgen_ifcond()
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20210831123809.1107782-7-armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2021-09-03 17:09:10 +02:00
Markus Armbruster
82ca72c023 qapi: Fix C code generation for 'if'
When commit 5d83b9a130 "qapi: replace if condition list with dict
{'all': [...]}" made cgen_ifcond() and docgen_ifcond() recursive, it
messed up parenthesises in the former, and got them right in the
latter, as the previous commit demonstrates.

To fix, adopt the latter's working code for the former.  This
generates the correct code from the previous commit's commit message.

Fixes: 5d83b9a130
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20210831123809.1107782-6-armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2021-09-03 17:09:10 +02:00
Markus Armbruster
dd044023e6 tests/qapi-schema: Demonstrate broken C code for 'if'
The C code generated for 'if' conditionals is incorrectly
parenthesized.  For instance,

    'if': { 'not': { 'any': [ { 'not': 'TEST_IF_EVT' },
			      { 'not': 'TEST_IF_STRUCT' } ] } } }

generates

    #if !(!defined(TEST_IF_EVT)) || (!defined(TEST_IF_STRUCT))

This is wrong.  Correct would be:

    #if !(!defined(TEST_IF_EVT) || !defined(TEST_IF_STRUCT))

Cover the issue in qapi-schema-test.json.  This generates bad #if in
tests/test-qapi-events.h and other files.

Add a similar condition to doc-good.json.  The generated documentation
is fine.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20210831123809.1107782-5-armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2021-09-03 17:09:10 +02:00
Markus Armbruster
cdcc04fa03 tests/qapi-schema: Correct two 'if' conditionals
A definition's conditional should imply the conditionals of types it
uses.  If it doesn't, some configurations won't compile.

Example (from tests/qapi-schema/qapi-schema-test.json):

    { 'union': 'TestIfUnion', 'data':
      { 'foo': 'TestStruct',
	'bar': { 'type': 'str', 'if': 'TEST_IF_UNION_BAR'} },
      'if': { 'all': ['TEST_IF_UNION', 'TEST_IF_STRUCT'] } }

    { 'command': 'test-if-union-cmd',
      'data': { 'union-cmd-arg': 'TestIfUnion' },
      'if': 'TEST_IF_UNION' }

generates

    #if (defined(TEST_IF_UNION)) && (defined(TEST_IF_STRUCT))
    typedef struct TestIfUnion TestIfUnion;
    #endif /* (defined(TEST_IF_UNION)) && (defined(TEST_IF_STRUCT)) */

and

    #if defined(TEST_IF_UNION)
    void qmp_test_if_union_cmd(TestIfUnion *union_cmd_arg, Error **errp);
    void qmp_marshal_test_if_union_cmd(QDict *args, QObject **ret, Error **errp);
    #endif /* defined(TEST_IF_UNION) */

which doesn't compile when !defined(TEST_IF_STRUCT).

Messed up in f8c4fdd6ae "tests/qapi: Cover commands with 'if' and
union / alternate 'data'", v4.0.0.  Harmless, as we don't actually use
this configuration.  Correct it anyway, along with another instance.

This loses coverage for 'not'.  The next commit will bring it back.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20210831123809.1107782-4-armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2021-09-03 17:09:10 +02:00
Markus Armbruster
e46c930cdd qapi: Simplify how QAPISchemaIfCond represents "no condition"
None works fine, there is no need to replace it by {} in .__init__().

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20210831123809.1107782-3-armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2021-09-03 17:09:10 +02:00
Markus Armbruster
1889e57a71 qapi: Simplify QAPISchemaIfCond's interface for generating C
QAPISchemaIfCond.cgen() is only ever used like

    gen_if(ifcond.cgen())

and

    gen_endif(ifcond.cgen())

Simplify to

    ifcond.gen_if()

and

    ifcond.gen_endif()

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20210831123809.1107782-2-armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
[Import statements tidied up with isort]
2021-09-03 17:06:40 +02:00
Guoyi Tu
3e038d7d7a qapi: Set boolean value correctly in examples
Signed-off-by: Guoyi Tu <tugy@chinatelecom.cn>
Message-Id: <a21a2b61-2653-a2c9-4478-715e5fb19120@chinatelecom.cn>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-09-03 17:03:05 +02:00
Peter Maydell
9c03aa87e5 Testing and plugin updates:
- fix typo in execlog plugin
   - clean-up and document gitlab FOO_RUNNER_AVAILABLE vars
   - fix plugin build issue on OSX and modules
   - add multi-core support to cache modelling plugin
   - clean-ups for plugin arg=FOO handling
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Merge remote-tracking branch 'remotes/stsquad/tags/pull-for-6.2-020921-1' into staging

Testing and plugin updates:

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

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

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

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-09-03 14:23:36 +01:00
Peter Maydell
8880cc4362 9pfs: misc patches
* Fix an occasional crash when handling 'Twalk' requests.
 
 * Two code cleanup patches.
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Merge remote-tracking branch 'remotes/cschoenebeck/tags/pull-9p-20210902' into staging

9pfs: misc patches

* Fix an occasional crash when handling 'Twalk' requests.

* Two code cleanup patches.

# gpg: Signature made Thu 02 Sep 2021 12:42:32 BST
# 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

* remotes/cschoenebeck/tags/pull-9p-20210902:
  9pfs: fix crash in v9fs_walk()
  hw/9pfs: use g_autofree in v9fs_walk() where possible
  hw/9pfs: avoid 'path' copy in v9fs_walk()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-09-03 08:27:38 +01:00
Peter Maydell
8664d30a30 Fuzzing Patches for 2021-09-01
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Merge remote-tracking branch 'remotes/a1xndr/tags/fuzz-pull-2021-09-01' into staging

Fuzzing Patches for 2021-09-01

# gpg: Signature made Wed 01 Sep 2021 12:42:00 BST
# gpg:                using RSA key FAD4E2BF871375D6340517C44E661DDE583A964E
# gpg: Good signature from "Alexander Bulekov <alxndr@bu.edu>" [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: FAD4 E2BF 8713 75D6 3405  17C4 4E66 1DDE 583A 964E

* remotes/a1xndr/tags/fuzz-pull-2021-09-01:
  MAINTAINERS: add fuzzing reviewer
  MAINTAINERS: Add myself as a reviewer for Device Fuzzing
  fuzz: unblock SIGALRM so the timeout works
  fuzz: use ITIMER_REAL for timeouts
  fuzz: add an instrumentation filter
  fuzz: make object-name matching case-insensitive
  fuzz: adjust timeout to allow for longer inputs
  fuzz: fix sparse memory access in the DMA callback

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-09-02 14:59:05 +01:00
Peter Maydell
9093028dd4 Block patches:
- Make the backup-top filter driver available for user-created block
   nodes (i.e. via blockdev-add)
 - Allow running iotests with gdb or valgrind being attached to qemu
   instances
 - Fix the raw format driver's permissions: There is no metadata, so we
   only need WRITE or RESIZE when the parent needs it
 - Basic reopen implementation for win32 files (file-win32.c) so that
   qemu-img commit can work
 - uclibc/musl build fix for the FUSE export code
 - Some iotests delinting
 - block-hmp-cmds.c refactoring
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Merge remote-tracking branch 'remotes/hreitz/tags/pull-block-2021-09-01' into staging

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

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

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

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-09-02 13:00:52 +01:00
Christian Schoenebeck
f83df00900 9pfs: fix crash in v9fs_walk()
v9fs_walk() utilizes the v9fs_co_run_in_worker({...}) macro to run the
supplied fs driver code block on a background worker thread.

When either the 'Twalk' client request was interrupted or if the client
requested fid for that 'Twalk' request caused a stat error then that
fs driver code block was left by 'break' keyword, with the intention to
return from worker thread back to main thread as well:

    v9fs_co_run_in_worker({
        if (v9fs_request_cancelled(pdu)) {
            err = -EINTR;
            break;
        }
        err = s->ops->lstat(&s->ctx, &dpath, &fidst);
        if (err < 0) {
            err = -errno;
            break;
        }
        ...
    });

However that 'break;' statement also skipped the v9fs_co_run_in_worker()
macro's final and mandatory

    /* re-enter back to qemu thread */
    qemu_coroutine_yield();

call and thus caused the rest of v9fs_walk() to be continued being
executed on the worker thread instead of main thread, eventually
leading to a crash in the transport virtio transport driver.

To fix this issue and to prevent the same error from happening again by
other users of v9fs_co_run_in_worker() in future, auto wrap the supplied
code block into its own

    do { } while (0);

loop inside the 'v9fs_co_run_in_worker' macro definition.

Full discussion and backtrace:
https://lists.gnu.org/archive/html/qemu-devel/2021-08/msg05209.html
https://lists.gnu.org/archive/html/qemu-devel/2021-09/msg00174.html

Fixes: 8d6cb10073
Signed-off-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Cc: qemu-stable@nongnu.org
Reviewed-by: Greg Kurz <groug@kaod.org>
Message-Id: <E1mLTBg-0002Bh-2D@lizzy.crudebyte.com>
2021-09-02 13:26:22 +02:00
Christian Schoenebeck
869605b5a0 hw/9pfs: use g_autofree in v9fs_walk() where possible
Suggested-by: Greg Kurz <groug@kaod.org>
Signed-off-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Message-Id: <b51670d2a39399535a035f6bc77c3cbeed85edae.1629208359.git.qemu_oss@crudebyte.com>
2021-09-02 13:26:22 +02:00
Christian Schoenebeck
97b1d8fdf6 hw/9pfs: avoid 'path' copy in v9fs_walk()
The v9fs_walk() function resolves all client submitted path nodes to the
local 'pathes' array. Using a separate string scalar variable 'path'
inside the background worker thread loop and copying that local 'path'
string scalar variable subsequently to the 'pathes' array (at the end of
each loop iteration) is not necessary.

Instead simply resolve each path directly to the 'pathes' array and
don't use the string scalar variable 'path' inside the fs worker thread
loop at all.

The only advantage of the 'path' scalar was that in case of an error
the respective 'pathes' element would not be filled. Right now this is
not an issue as the v9fs_walk() function returns as soon as any error
occurs.

Suggested-by: Greg Kurz <groug@kaod.org>
Signed-off-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Message-Id: <7dacbecf25b2c9b4a0ce12d689a8a535f09a31e3.1629208359.git.qemu_oss@crudebyte.com>
2021-09-02 13:26:22 +02:00
Mahmoud Mandour
a35af836d1 docs/devel: be consistent about example plugin names
Some plugins were prefixed with `.c`, some were not. Since the name is
essentially the full-name of the plugin file, it's logical to include
the extension.

Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Message-Id: <20210830121534.656559-1-ma.mandourr@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2021-09-02 11:29:34 +01:00
Mahmoud Mandour
67f145745f docs/deprecated: deprecate passing plugin args through arg=
Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Message-Id: <20210802134414.52037-1-ma.mandourr@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
[AJB: fixed up move of deprecated.rst]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2021-09-02 11:29:34 +01:00
Mahmoud Mandour
a694d739bb tests/plugins/syscalls: adhere to new arg-passing scheme
Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210730135817.17816-13-ma.mandourr@gmail.com>
2021-09-02 11:29:34 +01:00
Mahmoud Mandour
5ae589faad tests/plugins/mem: introduce "track" arg and make args not positional
This commit makes the plugin adhere to the new plugins arg-passing
scheme by expecting full-form boolean args instead of short-form
booleans. This necessitates that we introduce a new argument, here
"track", to accept "r", "w", or "rw".

Also, it makes arguments not positional and we only care about the last
value specified for a certain argument.

callback/inline args are now supplied separately as bool arguments so
that both can be enabled individually.

Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210730135817.17816-12-ma.mandourr@gmail.com>
2021-09-02 11:29:34 +01:00
Mahmoud Mandour
0163ce3179 tests/plugins/insn: made arg inline not positional and parse it as bool
Made argument "inline" not positional, this has two benefits. First is
that we adhere to how QEMU passes args generally, by taking the last
value of an argument and drop the others. And the second is that this
sets up a framework for potentially adding new args easily.

Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210730135817.17816-11-ma.mandourr@gmail.com>
[AJB: fix check-tcg tests calling arg=inline]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2021-09-02 11:29:34 +01:00
Mahmoud Mandour
30b95b4452 tests/plugins/bb: adapt to the new arg passing scheme
Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210730135817.17816-10-ma.mandourr@gmail.com>
2021-09-02 11:29:34 +01:00
Mahmoud Mandour
2dd3fef8a6 docs/tcg-plugins: new passing parameters scheme for cache docs
Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210730135817.17816-9-ma.mandourr@gmail.com>
2021-09-02 11:29:34 +01:00
Mahmoud Mandour
d852535859 plugins/howvec: adapting to the new argument passing scheme
Correctly parsing plugin argument since they now must be provided as
full-form boolean parameters, e.g.:
    -plugin ./contrib/plugins/libhowvec.so,verbose=on,inline=on

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

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

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

Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210730135817.17816-7-ma.mandourr@gmail.com>
2021-09-02 11:29:34 +01:00
Mahmoud Mandour
b18a0cad81 plugins/lockstep: make socket path not positional & parse bool arg
Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210730135817.17816-6-ma.mandourr@gmail.com>
2021-09-02 11:29:34 +01:00
Mahmoud Mandour
8a3eab66e6 plugins/hotblocks: Added correct boolean argument parsing
Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210730135817.17816-5-ma.mandourr@gmail.com>
2021-09-02 11:29:34 +01:00
Mahmoud Mandour
f698d5ef1c plugins/hotpages: introduce sortby arg and parsed bool args correctly
Since plugin arguments now expect boolean arguments, a plugin argument
name "sortby" now expects a value of "read", "write", or "address".

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

Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210730135817.17816-4-ma.mandourr@gmail.com>
2021-09-02 11:29:34 +01:00
Mahmoud Mandour
6a9e8a086d plugins/api: added a boolean parsing plugin api
This call will help boolean argument parsing since arguments are now
passed to plugins as a name and value.

Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210730135817.17816-3-ma.mandourr@gmail.com>
[AJB: add to symbols]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2021-09-02 11:29:34 +01:00
Mahmoud Mandour
3a445acb49 plugins: allow plugin arguments to be passed directly
Passing arguments to plugins had to be done through "arg=<argname>".
This is redundant and introduces confusion especially when the argument
has a name and value (e.g. `-plugin plugin_name,arg="argname=argvalue"`).

This allows passing plugin arguments directly e.g:

    `-plugin plugin_name,argname=argvalue`

For now, passing arguments through "arg=" is still supports but outputs
a deprecation warning.

Also, this commit makes boolean arguments passed to plugins in the
`argname=on|off` form instead of the deprecated short-boolean form.

Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210730135817.17816-2-ma.mandourr@gmail.com>
2021-09-02 11:29:34 +01:00
Mahmoud Mandour
5397acb8a6 docs/devel/tcg-plugins: added cores arg to cache plugin
Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Message-Id: <20210803151301.123581-3-ma.mandourr@gmail.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2021-09-02 11:29:34 +01:00
Alex Bennée
1156a03372 plugins: sort exported symbol list
This will make it easier to add new exported functions.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2021-09-02 11:29:34 +01:00
Mahmoud Mandour
c79a2116af plugins/cache: supported multicore cache modelling
Multicore L1 cache modelling is introduced and is supported for both
full system emulation and linux-user.

For full-system emulation, L1 icache and dcache are maintained for each
available core, since this information is exposed to the plugin through
`qemu_plugin_n_vcpus()`.

For linux-user, a static number of cores is assumed (default 1 core, and
can be provided as a plugin argument `cores=N`). Every memory access
goes through one of these caches, this approach is taken as it's
somewhat akin to what happens on real setup, where a program that
dispatches more threads than the available cores, they'll thrash
each other

Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Message-Id: <20210803151301.123581-2-ma.mandourr@gmail.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2021-09-02 11:29:34 +01:00
Paolo Bonzini
b906acace2 plugins: do not limit exported symbols if modules are active
On Mac --enable-modules and --enable-plugins are currently incompatible, because the
Apple -Wl,-exported_symbols_list command line options prevents the export of any
symbols needed by the modules.  On x86 -Wl,--dynamic-list does not have this effect,
but only because the -Wl,--export-dynamic option provided by gmodule-2.0.pc overrides
it.  On Apple there is no -Wl,--export-dynamic, because it is the default, and thus
no override.

Either way, when modules are active there is no reason to include the plugin_ldflags.
While at it, avoid the useless -Wl,--export-dynamic when --enable-plugins is
specified but --enable-modules is not; this way, the GNU and Apple configurations
are more similar.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/516
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
[AJB: fix noexport to no-export]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210811100550.54714-1-pbonzini@redhat.com>
Cc: qemu-stable@nongnu.org
2021-09-02 11:29:34 +01:00
Thomas Huth
40e916b4bc gitlab-ci: Fix ..._RUNNER_AVAILABLE variables and document them
The patch that recently introduced the S390X_RUNNER_AVAILABLE variable
in custom-runners.yml missed that the bottom half of the file is rather
about aarch64 than s390x. Thus rename the S390X_RUNNER_AVAILABLE to
AARCH64_RUNNER_AVAILABLE in those jobs.

Finally mention both variables in our CI documentation, too.

Fixes: c5dd0f0342 ("Improve rules for the staging branch")
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20210730143809.717079-4-thuth@redhat.com>
[AJB: moved due to docu changes]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210806141015.2487502-5-alex.bennee@linaro.org>
2021-09-02 11:29:34 +01:00
Thomas Huth
d3ac658fbe gitlab-ci: Remove superfluous "dnf install" statement
The container already features meson and ninja, so there is no need
to try to install it with dnf again.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Message-Id: <20210730143809.717079-3-thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210806141015.2487502-4-alex.bennee@linaro.org>
2021-09-02 11:29:34 +01:00
Thomas Huth
8d316275ad gitlab-ci: Merge "build-disabled" with "build-without-default-features"
Both jobs are testing more or less the same thing (building QEMU with
features disabled), so we are wasting precious CI cycles here by doing
this twice. Merge the jobs by using --without-default-features by default
and just adding some additional --disable-... switches which are not
covered by the generic switch (yet). And while we're at it, also test
compilation with "--disable-fdt" (which forces us to change the list
of targets in this job, though, since some targets do not work without
fdt).

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Message-Id: <20210730143809.717079-2-thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210806141015.2487502-3-alex.bennee@linaro.org>
2021-09-02 11:29:34 +01:00
Mahmoud Mandour
b40310616d plugins/execlog: removed unintended "s" at the end of log lines.
Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210803151428.125323-1-ma.mandourr@gmail.com>
Message-Id: <20210806141015.2487502-2-alex.bennee@linaro.org>
Cc: qemu-stable@nongnu.org
2021-09-02 11:29:34 +01:00
Peter Maydell
59a89510b6 Merge tpm 2021/09/01 v1
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Merge remote-tracking branch 'remotes/stefanberger/tags/pull-tpm-2021-09-01-1' into staging

Merge tpm 2021/09/01 v1

# gpg: Signature made Wed 01 Sep 2021 13:13:27 BST
# gpg:                using RSA key B818B9CADF9089C2D5CEC66B75AD65802A0B4211
# gpg: Good signature from "Stefan Berger <stefanb@linux.vnet.ibm.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: B818 B9CA DF90 89C2 D5CE  C66B 75AD 6580 2A0B 4211

* remotes/stefanberger/tags/pull-tpm-2021-09-01-1:
  tests: acpi: tpm1.2: Add expected TPM 1.2 ACPI blobs
  tests: acpi: Add test cases for TPM 1.2 with TCPA table
  tests: Use QMP to check whether a TPM device model is available
  tests: acpi: prepare for new TPM 1.2 related tables
  tests: tpm: Create TPM 1.2 response in TPM emulator
  tests: acpi: tpm2: Add the renamed ACPI files and drop old ones
  tests: Add suffix 'tpm2' or 'tpm12' to ACPI table files
  tests: acpi: Prepare for renaming of TPM2 related ACPI files
  tests: Add tpm_version field to TPMTestState and fill it
  tests: Rename TestState to TPMTestState

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-09-02 08:51:31 +01:00
Peter Maydell
079b1252e9 * Refactor M-profile systick to use Clocks instead of system_clock_scale global
* clock: Provide builtin multiplier/divider
  * Add A64FX processor model
  * Enable MVE emulation in Cortex-M55
  * hw: Add compat machines for 6.2
  * hw/intc/arm_gicv3: Replace mis-used MEMTX_* constants by booleans
  * hw/arm/raspi: Remove deprecated raspi2/raspi3 aliases
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 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20210901' into staging

 * Refactor M-profile systick to use Clocks instead of system_clock_scale global
 * clock: Provide builtin multiplier/divider
 * Add A64FX processor model
 * Enable MVE emulation in Cortex-M55
 * hw: Add compat machines for 6.2
 * hw/intc/arm_gicv3: Replace mis-used MEMTX_* constants by booleans
 * hw/arm/raspi: Remove deprecated raspi2/raspi3 aliases

# gpg: Signature made Wed 01 Sep 2021 11:35:57 BST
# gpg:                using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg:                issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate]
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>" [ultimate]
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83  15CF 3C25 25ED 1436 0CDE

* remotes/pmaydell/tags/pull-target-arm-20210901: (51 commits)
  arm: Remove system_clock_scale global
  hw/timer/stellaris-gptm: Use Clock input instead of system_clock_scale
  hw/arm/stellaris: Split stellaris-gptm into its own file
  hw/arm/stellaris: Fix code style issues in GPTM code
  hw/timer/armv7m_systick: Use clock inputs instead of system_clock_scale
  hw/arm/msf2-soc: Wire up refclk
  hw/arm/msf2: Use Clock input to MSF2_SOC instead of m3clk property
  hw/arm/msf2_soc: Don't allocate separate MemoryRegions
  hw/arm/stellaris: Wire sysclk up to armv7m
  hw/arm/stellaris: split stellaris_sys_init()
  hw/arm/nrf51: Wire up sysclk
  hw/arm/stm32vldiscovery: Delete trailing blank line
  hw/arm/stm32f405: Wire up sysclk and refclk
  hw/arm/stm32f205: Wire up sysclk and refclk
  hw/arm/stm32f100: Wire up sysclk and refclk
  hw/arm: Don't allocate separate MemoryRegions in stm32 SoC realize
  clock: Provide builtin multiplier/divider
  hw/arm/mps2.c: Connect up armv7m clocks
  armsse: Wire up systick cpuclk clock
  hw/arm/armv7m: Create input clocks
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-09-01 17:45:38 +01:00
Peter Maydell
4c41a1c595 usb: bugfixes.
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Merge remote-tracking branch 'remotes/kraxel/tags/usb-20210901-pull-request' into staging

usb: bugfixes.

# gpg: Signature made Wed 01 Sep 2021 07:53:33 BST
# gpg:                using RSA key A0328CFFB93A17A79901FE7D4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full]
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>" [full]
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full]
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/usb-20210901-pull-request:
  hw/usb: Fix typo in comments and print
  uas: add stream number sanity checks.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-09-01 15:13:07 +01:00
Viktor Prutyanov
ebd979c74e block/file-win32: add reopen handlers
Make 'qemu-img commit' work on Windows.

Command 'commit' requires reopening backing file in RW mode. So,
add reopen prepare/commit/abort handlers and change dwShareMode
for CreateFile call in order to allow further read/write reopening.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/418

Suggested-by: Hanna Reitz <hreitz@redhat.com>
Signed-off-by: Viktor Prutyanov <viktor.prutyanov@phystech.edu>
Tested-by: Helge Konetzka <hk@zapateado.de>
Message-Id: <20210825173625.19415-1-viktor.prutyanov@phystech.edu>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
2021-09-01 14:38:08 +02:00
Fabrice Fontaine
28031d5c74 block/export/fuse.c: fix fuse-lseek on uclibc or musl
Include linux/fs.h to avoid the following build failure on uclibc or
musl raised since version 6.0.0:

../block/export/fuse.c: In function 'fuse_lseek':
../block/export/fuse.c:641:19: error: 'SEEK_HOLE' undeclared (first use in this function)
  641 |     if (whence != SEEK_HOLE && whence != SEEK_DATA) {
      |                   ^~~~~~~~~
../block/export/fuse.c:641:19: note: each undeclared identifier is reported only once for each function it appears in
../block/export/fuse.c:641:42: error: 'SEEK_DATA' undeclared (first use in this function); did you mean 'SEEK_SET'?
  641 |     if (whence != SEEK_HOLE && whence != SEEK_DATA) {
      |                                          ^~~~~~~~~
      |                                          SEEK_SET

Fixes:
 - http://autobuild.buildroot.org/results/33c90ebf04997f4d3557cfa66abc9cf9a3076137

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Message-Id: <20210827220301.272887-1-fontaine.fabrice@gmail.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
2021-09-01 14:38:08 +02:00
Vladimir Sementsov-Ogievskiy
abde8ac2a5 block/block-copy: block_copy_state_new(): drop extra arguments
The only caller pass copy_range and compress both false. Let's just
drop these arguments.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20210824083856.17408-35-vsementsov@virtuozzo.com>
Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
2021-09-01 14:38:08 +02:00