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2021-06-18scripts/qemu-ga-client: move to python/qemu/qmp/qemu_ga_client.pyJohn Snow
The script itself will be unavailable for a few commits before being restored, with no way to run it right after this commit. This helps move git history into the new file. To prevent linter regressions, though, we do need to immediately touch up the filename to remove dashes (to make the module importable), and remove the executable bit. Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 20210604155532.1499282-10-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18scripts/qemu-ga-client: add mypy type hintsJohn Snow
This script is in slightly rough shape, but it still works. A lot of care went into its initial development. In good faith, I'm updating it to the latest Python coding standards. If there is in interest in this script, though, I'll be asking for a contributor to take care of it further. Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 20210604155532.1499282-9-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18scripts/qemu-ga-client: apply (most) pylint rulesJohn Snow
I'm only doing a very quick best-effort to preserve this script, to help keep it from breaking further. I think there are pending ideas swirling on the right way to implement better SDKs and better clients, and this script might be a handy reference for those discussions. It presents some interesting design problems, like static type safety when using a dynamic RPC mechanism. I believe it's worth preserving the effort and care that went into making this script by updating it to work with our current infrastructure. However, I am disabling the requirement for docstrings in this file. If you would like to help improve this script, please add docstrings alongside any refactors or rejuvenations you might apply at that time. Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 20210604155532.1499282-7-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18scripts/qemu-ga-client: add module docstringJohn Snow
Turn that nice usage comment into a docstring. Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 20210604155532.1499282-6-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18scripts/qemu-ga-client: replace deprecated optparse with argparseJohn Snow
optparse isn't supported anymore, it's from the python2 days. Replace it with the mostly similar argparse. Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 20210604155532.1499282-5-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18scripts/qemu-ga-client: Fix exception handlingJohn Snow
Fixes: 50d189c These error classes aren't available anymore. Fix the bitrot. Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 20210604155532.1499282-4-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18scripts/qemu-ga-client: apply (most) flake8 rulesJohn Snow
- Line length should be < 80 - You shouldn't perform unscoped imports except at the top of the module Notably, the sys.path hack creates problems with the import rule. This will be fixed later. Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 20210604155532.1499282-3-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18scripts/qemu-ga-client: apply isort rulesJohn Snow
Hint: > ln -s scripts/qmp/qemu-ga-client python/qemu/qmp/qemu_ga_client.py > cd python > isort qemu Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 20210604155532.1499282-2-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18scripts/qom-fuse: add redirection shim to python/qemu/qmp/qom-fuse.pyJohn Snow
By leaving the script absent for a commit, git-blame travels to the new file instead of staying on the shim. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20210603003719.1321369-19-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18scripts/qom-fuse: move to python/qemu/qmp/qom_fuse.pyJohn Snow
Move qom-fuse over to the python package now that it passes the linter. Update the import paradigms so that it continues to pass in the context of the Python package. Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 20210603003719.1321369-18-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18scripts/qom-fuse: add static type hintsJohn Snow
Because fusepy does not have type hints, add some targeted warning suppressions. Namely, we need to allow subclassing something of an unknown type (in qom_fuse.py), and we need to allow missing imports (recorded against fuse itself) because mypy will be unable to import fusepy (even when installed) as it has no types nor type stubs available. Note: Until now, it was possible to run invocations like 'mypy qemu/' from ./python and have that work. However, these targeted suppressions require that you run 'mypy -p qemu/' instead. The correct, canonical invocation is recorded in ./python/tests/mypy.sh and all of the various CI invocations always use this correct form. Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 20210603003719.1321369-16-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18scripts/qom-fuse: ensure QOMFuse.read always returns bytesJohn Snow
- Use FuseOSError to signal ENOENT instead of returning it - Wrap qom-get in str(), as we don't always know its type - The empty return should be b'', not ''. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20210603003719.1321369-15-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18scripts/qom-fuse: use QOMCommand.qom_list()John Snow
the qom_list method provides a type-safe object that's easier to type check, so switch to using it. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20210603003719.1321369-14-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18scripts/qom-fuse: Convert to QOMCommandJohn Snow
Move qom-fuse onto the QOMCommand base established in python/qemu/qmp/qom_common.py. The interface doesn't change incompatibly, "qom-fuse mountpoint" still works as an invocation, and QMP_SOCKET is still used as the environment variable. Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 20210603003719.1321369-13-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18scripts/qom-fuse: Add docstringsJohn Snow
The methods inherited from fuse don't need docstrings; that's up to fusepy to handle. Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 20210603003719.1321369-12-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18scripts/qom-fuse: Apply pylint rulesJohn Snow
- Catch specific exceptions from QMP - Reraise errors with explicit context - method parameters should match parent's names Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20210603003719.1321369-11-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18scripts/qom-fuse: apply flake8 rulesJohn Snow
flake8 still has one warning because of the sys.path hack, but that will be going away by the end of this patch series. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20210603003719.1321369-9-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18scripts/qom-fuse: apply isort rulesJohn Snow
Hint: you can use symlinks to create qom_fuse.py in python/qemu/qmp/ and point to scripts/qom-fuse to apply the standard linting rules to this script. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20210603003719.1321369-8-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18scripts/qmp: redirect qom-xxx scripts to python/qemu/qmp/John Snow
Redirect to the new qom scripts. These forwarders can be deleted eventually when there has been more time for the dust on the Python packaging to settle and people understand how to find these commands. Note: You can run these by setting $PYTHONPATH in your shell and then running "python3 -m qemu.qmp.qom", or you can install the qemu namespace package and use the "qom" or "qom-set" scripts. I've written how to install the package elsewhere, but for the sake of git-blame, cd to ./python, and then do: - pip3 install [--user] [-e] . --user will install to your local user install (will not work inside of a venv), omitting this flag installs to your system-wide packages (outside of a venv) or to your current virtual environment (inside the venv). When installing to a venv or to your system-wide packages, "qom" should be in your $PATH already. If you do a user install, you may need to add ~/.local/bin to your $PATH if you haven't already. -e installs in editable mode: the installed package is effectively just a symlink to this folder; so changes to your git working tree are reflected in the installed package. Note: installing these packages to an environment outside a venv can be dangerous: Many QEMU scripts will begin to prefer the installed version instead of the version directly in the tree. Use with caution. editable mode is recommended when working outside of a venv. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20210603003719.1321369-7-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18python/qmp: add parse_address classmethodJohn Snow
This takes the place of qmp-shell's __get_address function. It also allows other utilities to share the same parser and syntax for specifying QMP locations. Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 20210603003719.1321369-4-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18block-coroutine-wrapper: allow non bdrv_ prefixVladimir Sementsov-Ogievskiy
We are going to reuse the script to generate a nbd_ function in further commit. Prepare the script now. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <20210610100802.5888-28-vsementsov@virtuozzo.com> Signed-off-by: Eric Blake <eblake@redhat.com>
2021-06-17scripts: helper to generate x86_64 CPU ABI compat infoDaniel P. Berrangé
This script is what is used to generate the docs data table in: docs/system/cpu-models-x86-abi.csv It can be useful to run if adding new CPU models / versions and the csv needs updating. Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> Acked-by: Eduardo Habkost <ehabkost@redhat.com> Message-Id: <20210607135843.196595-4-berrange@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2021-06-15softmmu/memory: Pass ram_flags to memory_region_init_ram_shared_nomigrate()David Hildenbrand
Let's forward ram_flags instead, renaming memory_region_init_ram_shared_nomigrate() into memory_region_init_ram_flags_nomigrate(). Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> Acked-by: Eduardo Habkost <ehabkost@redhat.com> for memory backend and machine core Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20210510114328.21835-6-david@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-06-07Merge remote-tracking branch ↵Peter Maydell
'remotes/vivier2/tags/trivial-branch-for-6.1-pull-request' into staging Trivial branch pull request 20210607 # gpg: Signature made Mon 07 Jun 2021 19:56:43 BST # gpg: using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C # gpg: issuer "laurent@vivier.eu" # gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full] # gpg: aka "Laurent Vivier <laurent@vivier.eu>" [full] # gpg: aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full] # Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F 5173 F30C 38BD 3F2F BE3C * remotes/vivier2/tags/trivial-branch-for-6.1-pull-request: vhost-vdpa: Remove redundant declaration of address_space_memory scripts/oss-fuzz: Fix typo in documentation target/mips: Fix 'Uncoditional' typo target/hppa: Remove unused 'memory.h' header hw/display/macfb: Classify the "nubus-macfb" as display device target/nios2: fix page-fit instruction count docs: fix broken reference linux-user/syscall: Constify bitmask_transtbl fcntl/mmap flags_tlb[] misc: Correct relative include path i386/kvm: The value passed to strerror should be positive target/riscv: Do not include 'pmp.h' in user emulation Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-06-07scripts/checkpatch.pl: process .c.inc and .h.inc files as C sourceMatheus Ferst
Change the regex used to determine whether a file should be processed as C source to include .c.inc and .h.inc extensions. Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br> Reviewed-by: Luis Pires <luis.pires@eldorado.org.br> Message-Id: <20210520195142.941261-1-matheus.ferst@eldorado.org.br> Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2021-06-05scripts/oss-fuzz: Fix typo in documentationPhilippe Mathieu-Daudé
While we only use stdin, the chardev is named 'stdio'. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Alexander Bulekov <alxndr@bu.edu> Message-Id: <20210602170759.2500248-4-f4bug@amsat.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-06-02docs: fix references to docs/devel/tracing.rstStefano Garzarella
Commit e50caf4a5c ("tracing: convert documentation to rST") converted docs/devel/tracing.txt to docs/devel/tracing.rst. We still have several references to the old file, so let's fix them with the following command: sed -i s/tracing.txt/tracing.rst/ $(git grep -l docs/devel/tracing.txt) Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20210517151702.109066-2-sgarzare@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
2021-05-27headers: Add udmabuf.hVivek Kasireddy
This adds udmabuf header to standard headers so that the relevant udmabuf objects can be accessed in subsequent patches. Based-on-patch-by: Gerd Hoffmann <kraxel@redhat.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com> Message-Id: <20210526231429.1045476-3-vivek.kasireddy@intel.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-05-21Merge remote-tracking branch ↵Peter Maydell
'remotes/vsementsov/tags/pull-simplebench-2021-05-04' into staging scripts/simplebench improvements for 2021-05-04 # gpg: Signature made Tue 04 May 2021 09:45:15 BST # gpg: using RSA key 8B9C26CDB2FD147C880E86A1561F24C1F19F79FB # gpg: Good signature from "Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.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: 8B9C 26CD B2FD 147C 880E 86A1 561F 24C1 F19F 79FB * remotes/vsementsov/tags/pull-simplebench-2021-05-04: MAINTAINERS: update Benchmark util: add git tree simplebench/bench-backup: add --drop-caches argument simplebench/bench-backup: add --count and --no-initial-run simplebench/bench-backup: support qcow2 source files simplebench/bench_block_job: handle error in BLOCK_JOB_COMPLETED simplebench/bench-backup: add target-cache argument simplebench/bench-backup: add --compressed option simplebench: bench_one(): support count=1 simplebench: bench_one(): add slow_limit argument Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-05-20qapi/parser: add docstringsJohn Snow
Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210519183951.3946870-16-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> [Doc string spacing tweaked slightly] Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-05-20qapi/parser: allow 'ch' variable nameJohn Snow
We can have a two-letter variable name, as a treat. Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210519183951.3946870-15-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-05-20qapi/parser: Remove superfluous list comprehensionJohn Snow
A generator suffices (and quiets a pylint warning). Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210519183951.3946870-14-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-05-20qapi/parser: add type hint annotationsJohn Snow
Annotations do not change runtime behavior. This commit *only* adds annotations. (Annotations for QAPIDoc are in a forthcoming commit.) Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210519183951.3946870-13-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-05-20qapi/parser: Rework _check_pragma_list_of_str as a TypeGuardJohn Snow
TypeGuards wont exist in Python proper until 3.10. Ah well. We can hack up our own by declaring this function to return the type we claim it checks for and using this to safely downcast object -> List[str]. In so doing, I bring this function under _pragma so it can use the 'info' object in its closure. Having done this, _pragma also now no longer needs to take a 'self' parameter, so drop it. To help with line-length, and with the context evident from its new scope, rename the function to the shorter check_list_str(). Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210519183951.3946870-12-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-05-20qapi/parser: Fix token membership tests when token can be NoneJohn Snow
When the token can be None (EOF), we can't use 'x in "abc"' style membership tests to group types of tokens together, because 'None in "abc"' is a TypeError. Easy enough to fix. (Use a tuple: It's neither a static typing error nor a runtime error to check for None in Tuple[str, ...]) Add tests to prevent a regression. (Note: they cannot be added prior to this fix, as the unhandled stack trace will not match test output in the CI system.) Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210519183951.3946870-11-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-05-20qapi: add must_match helperJohn Snow
Mypy cannot generally understand that these regex functions cannot possibly fail. Add a "must_match" helper that makes this clear for mypy. Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210519183951.3946870-10-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-05-20qapi/parser: Use @staticmethod where appropriateJohn Snow
No self, no thank you! (Quiets pylint warnings.) Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210519183951.3946870-9-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-05-20qapi/parser: assert object keys are stringsJohn Snow
The single quote token implies the value is a string. Assert this to be the case, to allow us to write an accurate return type for get_members. Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210519183951.3946870-8-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-05-20qapi/parser: enforce all top-level expressions must be dict in _parse()John Snow
Instead of using get_expr nested=False, allow get_expr to always return any expression. In exchange, add a new error message to the top-level parser that explains the semantic error: Top-level expressions must always be JSON objects. This helps mypy understand the rest of this function which assumes that get_expr did indeed return a dict. The exception type changes from QAPIParseError to QAPISemError as a result, and the error message in two tests now changes. Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210519183951.3946870-7-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-05-20qapi/parser: Assert lexer value is a stringJohn Snow
The type checker can't narrow the type of the token value to string, because it's only loosely correlated with the return token. We know that a token of '#' should always have a "str" value. Add an assertion. Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210519183951.3946870-6-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-05-20qapi/parser: factor parsing routine into methodJohn Snow
For the sake of keeping __init__ smaller (and treating it more like a gallery of what state variables we can expect to see), put the actual parsing action into a parse method. It remains invoked from the init method to reduce churn. To accomplish this, @previously_included becomes the private data member ._included, and the filename is stashed as ._fname. Add any missing declarations to the init method, and group them by function so they can be understood quickly at a glance. Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210519183951.3946870-5-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-05-20qapi/source: Remove line number from QAPISourceInfo initializerJohn Snow
With the QAPISourceInfo(None, None, None) construct gone, there's no longer any reason to have to specify that a file starts on the first line. Remove it from the initializer and default it to 1. Remove the last vestiges where we check for 'line' being unset, that can't happen, now. Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210519183951.3946870-4-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-05-20qapi/parser: Don't try to handle file errorsJohn Snow
Fixes: f5d4361cda Fixes: 52a474180a Fixes: 46f49468c6 Remove the try/except block that handles file-opening errors in QAPISchemaParser.__init__() and add one each to QAPISchemaParser._include() and QAPISchema.__init__() respectively. This simultaneously fixes the typing of info.fname (f5d4361cda), A static typing violation in test-qapi (46f49468c6), and a regression of an error message (52a474180a). The short-ish version of what motivates this patch is: - It's hard to write a good error message in the init method, because we need to determine the context of our caller to do so. It's easier to just let the caller write the message. - We don't want to allow QAPISourceInfo(None, None, None) to exist. The typing introduced by commit f5d4361cda types the 'fname' field as (non-optional) str, which was premature until the removal of this construct. - Errors made using such an object are currently incorrect (since 52a474180a) - It's not technically a semantic error if we cannot open the schema. - There are various typing constraints that make mixing these two cases undesirable for a single special case. - test-qapi's code handling an fname of 'None' is now dead, drop it. Additionally, Not all QAPIError objects have an 'info' field (since 46f49468), so deleting this stanza corrects a typing oversight in test-qapi introduced by that commit. Other considerations: - open() is moved to a 'with' block to ensure file pointers are cleaned up deterministically. - Python 3.3 deprecated IOError and made it a synonym for OSError. Avoid the misleading perception these exception handlers are narrower than they really are. The long version: The error message here is incorrect (since commit 52a474180a): > python3 qapi-gen.py 'fake.json' qapi-gen.py: qapi-gen.py: can't read schema file 'fake.json': No such file or directory In pursuing it, we find that QAPISourceInfo has a special accommodation for when there's no filename. Meanwhile, the intent when QAPISourceInfo was typed (f5d4361cda) was non-optional 'str'. This usage was overlooked. To remove this, I'd want to avoid having a "fake" QAPISourceInfo object. I also don't want to explicitly begin accommodating QAPISourceInfo itself being None, because we actually want to eventually prove that this can never happen -- We don't want to confuse "The file isn't open yet" with "This error stems from a definition that wasn't defined in any file". (An earlier series tried to create a dummy info object, but it was tough to prove in review that it worked correctly without creating new regressions. This patch avoids that distraction. We would like to first prove that we never raise QAPISemError for any built-in object before we add "special" info objects. We aren't ready to do that yet.) So, which way out of the labyrinth? Here's one way: Don't try to handle errors at a level with "mixed" semantic contexts; i.e. don't mix inclusion errors (should report a source line where the include was triggered) and command line errors (where we specified a file we couldn't read). Remove the error handling from the initializer of the parser. Pythonic! Now it's the caller's job to figure out what to do about it. Handle the error in QAPISchemaParser._include() instead, where we can write a targeted error message where we are guaranteed to have an 'info' context to report with. The root level error can similarly move to QAPISchema.__init__(), where we know we'll never have an info context to report with, so we use a more abstract error type. Now the error looks sensible again: > python3 qapi-gen.py 'fake.json' qapi-gen.py: can't read schema file 'fake.json': No such file or directory With these error cases separated, QAPISourceInfo can be solidified as never having placeholder arguments that violate our desired types. Clean up test-qapi along similar lines. Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210519183951.3946870-2-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-05-16Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into stagingPeter Maydell
pc,pci,virtio: bugfixes, improvements Fixes all over the place. Faster boot for virtio. ioeventfd support for mmio. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> # gpg: Signature made Fri 14 May 2021 15:27:13 BST # gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469 # gpg: issuer "mst@redhat.com" # gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full] # gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [full] # Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67 # Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469 * remotes/mst/tags/for_upstream: Fix build with 64 bits time_t vhost-vdpa: Make vhost_vdpa_get_device_id() static hw/virtio: enable ioeventfd configuring for mmio hw/smbios: support for type 41 (onboard devices extended information) checkpatch: Fix use of uninitialized value virtio-scsi: Configure all host notifiers in a single MR transaction virtio-scsi: Set host notifiers and callbacks separately virtio-blk: Configure all host notifiers in a single MR transaction virtio-blk: Fix rollback path in virtio_blk_data_plane_start() pc-dimm: remove unnecessary get_vmstate_memory_region() method amd_iommu: fix wrong MMIO operations virtio-net: Constify VirtIOFeature feature_sizes[] virtio-blk: Constify VirtIOFeature feature_sizes[] hw/virtio: Pass virtio_feature_get_config_size() a const argument x86: acpi: use offset instead of pointer when using build_header() amd_iommu: Fix pte_override_page_mask() Signed-off-by: Peter Maydell <peter.maydell@linaro.org> # Conflicts: # hw/arm/virt.c
2021-05-14checkpatch: Fix use of uninitialized valueGreg Kurz
checkfilename() doesn't always set $acpi_testexpected. Fix the following warning: Use of uninitialized value $acpi_testexpected in string eq at ./scripts/checkpatch.pl line 1529. Fixes: d2f1af0e4120 ("checkpatch: don't emit warning on newly created acpi data files") Cc: isaku.yamahata@intel.com Signed-off-by: Greg Kurz <groug@kaod.org> Message-Id: <161786467973.295167.5612704777283969903.stgit@bahia.lan> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2021-05-12coverity-scan: list components, move model to scripts/coverity-scanPaolo Bonzini
Place all files that can be useful to rebuild the Coverity configuration in scripts/coverity-scan: the existing model file, and the components setup. The Markdown syntax was tested with Pandoc (but in any case is meant more as a human-readable reference than as a part of documentation). Suggested-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-05-04simplebench/bench-backup: add --drop-caches argumentVladimir Sementsov-Ogievskiy
Add an option to drop caches before each test run. It may probably improve reliability of results when testing in cached mode. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
2021-05-04simplebench/bench-backup: add --count and --no-initial-runVladimir Sementsov-Ogievskiy
Add arguments to set number of test runs per table cell and to disable initial run that is not counted in results. It's convenient to set --count 1 --no-initial-run to fast run test onece, and to set --count to some large enough number for good precision of the results. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
2021-05-04simplebench/bench-backup: support qcow2 source filesVladimir Sementsov-Ogievskiy
Add support for qcow2 source. New option says to use test-source.qcow2 instead of test-source. Of course, test-source.qcow2 should be precreated. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: John Snow <jsnow@redhat.com>
2021-05-04simplebench/bench_block_job: handle error in BLOCK_JOB_COMPLETEDVladimir Sementsov-Ogievskiy
We should not report success if there is an error in final event. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: John Snow <jsnow@redhat.com>
generated by cgit v1.2.3 (git 2.26.2) at 2025-03-16 21:24:49 +0000