Commit Graph

5460 Commits

Author SHA1 Message Date
Marc-André Lureau
7110776b01 tests: fix usb-hcd-ehci-test compilation
Fixes commit
e5758de4e8 ("tests/libqtest: Make
qtest_qmp_device_add/del independent from global_qtest")

and commit
dd21074972 ("tests/libqtest: Use
libqtest-single.h in tests that require global_qtest").

Cc: Thomas Huth <thuth@redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20190926111955.17276-2-marcandre.lureau@redhat.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2019-10-01 11:42:27 +02:00
Peter Maydell
786d36ad41 target-arm queue:
* Fix the CBAR register implementation for Cortex-A53,
    Cortex-A57, Cortex-A72
  * Fix direct booting of Linux kernels on emulated CPUs
    which have an AArch32 EL3 (incorrect NSACR settings
    meant they could not access the FPU)
  * semihosting cleanup: do more work at translate time
    and less work at runtime
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20190927' into staging

target-arm queue:
 * Fix the CBAR register implementation for Cortex-A53,
   Cortex-A57, Cortex-A72
 * Fix direct booting of Linux kernels on emulated CPUs
   which have an AArch32 EL3 (incorrect NSACR settings
   meant they could not access the FPU)
 * semihosting cleanup: do more work at translate time
   and less work at runtime

# gpg: Signature made Fri 27 Sep 2019 15:32:43 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-20190927:
  hw/arm/boot: Use the IEC binary prefix definitions
  hw/arm/boot.c: Set NSACR.{CP11,CP10} for NS kernel boots
  tests/tcg: add linux-user semihosting smoke test for ARM
  target/arm: remove run-time semihosting checks for linux-user
  target/arm: remove run time semihosting checks
  target/arm: handle A-profile semihosting at translate time
  target/arm: handle M-profile semihosting at translate time
  tests/tcg: clean-up some comments after the de-tangling
  target/arm: fix CBAR register for AArch64 CPUs

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

# Conflicts:
#	tests/tcg/arm/Makefile.target
2019-09-30 11:02:22 +01:00
Alex Bennée
83704ceff1 tests/tcg: add linux-user semihosting smoke test for ARM
We already use semihosting for the system stuff so this is a simple
smoke test to ensure we are working OK on linux-user.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20190913151845.12582-7-alex.bennee@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-09-27 11:41:32 +01:00
Alex Bennée
72ab7f9e1d tests/tcg: clean-up some comments after the de-tangling
These were missed in the recent de-tangling so have been updated to be
more actuate. I've also built up ARM_TESTS in a manner similar to
AARCH64_TESTS for better consistency.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20190913151845.12582-2-alex.bennee@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-09-27 11:41:28 +01:00
Alex Bennée
80394ccf21 tests/docker: remove debian-powerpc-user-cross
Despite our attempts in 4d26c7fef4 to keep this going it still gets in
the way of "make docker-test-build" completing because of course we
can't build a modern QEMU with the image. Let's put the thing out of
its misery and remove it.

People who really care about building on powerpc can still use the
binfmt_misc support to manually build an image (or just run the build
from pre this commit).

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Cc: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2019-09-26 19:00:53 +01:00
John Snow
bcbf279473 docker: move tests from python2 to python3
As part of the push to drop python2 support, replace any explicit python2
dependencies with python3 versions.

For centos, python2 still exists as an implicit dependency, but by adding
python3 we will be able to build even if the configure script begins to
require python 3.5+.

Tested with centos7, fedora, ubuntu, ubuntu1804, and debian 9 (amd64).
Tested under a custom configure script that requires Python 3.5+.

the travis dockerfile is also moved to using python3, which was tested
by running `make docker-test-build@travis`, which I hope is sufficient.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-Id: <20190923181140.7235-7-jsnow@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Cleber Rosa <crosa@redhat.com>
Tested-by: Cleber Rosa <crosa@redhat.com>
2019-09-26 19:00:53 +01:00
John Snow
2e90aec3d9 docker: remove unused debian-sid
debian-sid is listed as a partial image, so we cannot run tests against it.
Since it isn't used by any other testable image, remove it for now as it
is prone to bitrot.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-Id: <20190923181140.7235-6-jsnow@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Acked-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2019-09-26 19:00:53 +01:00
John Snow
dad47814f0 docker: remove unused debian-ports
debian-ports is listed as a partial image, so we cannot run tests against it.
Since it isn't used by any other testable image, remove it for now as it
is prone to bitrot.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-Id: <20190923181140.7235-5-jsnow@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Acked-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2019-09-26 19:00:53 +01:00
John Snow
ef8f3283ac docker: remove 'deprecated' image definitions
There isn't a debian.dockerfile anymore,
so perform some ghost-busting.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-Id: <20190923181140.7235-4-jsnow@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2019-09-26 19:00:53 +01:00
John Snow
afa1cf4329 docker: remove unused debian8 partial image
debian8 partial base is also not consumed by any image, so remove it.
For QEMU's development cycle, we only support debian9 (stretch) and
debian10 (buster).

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190923181140.7235-3-jsnow@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2019-09-26 19:00:53 +01:00
John Snow
ccf20b3b4f docker: remove debian8-mxe definitions
We don't have a debian8-mxe dockerfile anymore.

Fixes: 67bd36beda
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190923181140.7235-2-jsnow@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2019-09-26 19:00:53 +01:00
Alex Bennée
b9fe0063b7 tests/tcg: add simple record/replay smoke test for aarch64
This adds two new tests that re-use the memory test to check basic
record replay functionality is still working. We have to define our
own runners rather than using the default pattern as we want to change
the test name but re-use the memory binary.

We declare the test binaries as PHONY as they don't really exist.

[AJB: A better test would output some sort of timer value or other
otherwise variable value so we could compare the record and replay
outputs and ensure they match]

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Cc: Pavel Dovgalyuk <dovgaluk@ispras.ru>
2019-09-26 19:00:53 +01:00
Alex Bennée
b059a62bb6 tests/tcg: add generic version of float_convs
This is broadly similar to the existing fcvt test for ARM but using
the generic float testing framework. We should be able to pare down
the ARM fcvt test case to purely half-precision with or without the
Alt HP provision.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2019-09-26 19:00:53 +01:00
Alex Bennée
a4f3ed629e tests/tcg: add float_madds test to multiarch
This is a generic floating point multiply and accumulate test for
single precision floating point values. I've split of the common float
functions into a helper library so additional tests can use the same
common code.

As I don't have references for all architectures I've allowed some
flexibility for tests to pass without reference files. They can be
added as we get collect them.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2019-09-26 19:00:53 +01:00
Alex Bennée
149911cff7 tests/tcg: re-enable linux-test for ppc64abi32
Now we have fixed the signal delivary bug we can remove this horrible
hack from the system.

Cc: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2019-09-26 19:00:53 +01:00
Alex Bennée
9a297fac5f tests/tcg: clean-up some comments after the de-tangling
These were missed in the recent de-tangling so have been updated to be
more actuate. I've also built up ARM_TESTS in a manner similar to
AARCH64_TESTS for better consistency.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2019-09-26 19:00:53 +01:00
John Snow
b3a790be98 podman: fix command invocation
Oops; there's no argv here.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-Id: <20190913193821.17756-1-jsnow@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Cleber Rosa <crosa@redhat.com>
Tested-by: Cleber Rosa <crosa@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Tested-by: Thomas Huth <thuth@redhat.com>
2019-09-26 19:00:53 +01:00
Alex Bennée
529994e204 tests/docker: reduce scary warnings by cleaning up clean up
There was in the clean-up code caused by attempting to inspect images
which finished before we got there. Clean up the clean up code by:

  - only track the one instance at a time
  - use --filter for docker ps instead of doing it by hand
  - just call docker rm -f to be done with it
  - use uuid.uuid4() for a random uid

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2019-09-26 19:00:53 +01:00
John Snow
5fac0cfaaa tests/docker: remove python2.7 from debian9-mxe
When it was based on debian8 which uses python-minimal, it needed this.
It no longer does.

Goodbye, python2.7.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-Id: <20190918222546.11696-1-jsnow@redhat.com>
[AJB: fixed up commit message]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2019-09-26 19:00:53 +01:00
Alex Bennée
b4d66d3525 tests/docker: fix DOCKER_PARTIAL_IMAGES
Finger trouble in a previous clean-up inadvertently set
DEBIAN_PARTIAL_IMAGES instead of DOCKER_PARTIAL_IMAGES. Also fix the
typo to debian-9-mxe.

Fixes: 44d5a8bf5d
Signed-off-by: John Snow <jsnow@redhat.com>
[AJB: merged fix from Message-Id: <20190917185537.25417-1-jsnow@redhat.com>]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Cleber Rosa <crosa@redhat.com>
2019-09-26 19:00:53 +01:00
John Snow
47c823e5be tests/docker: add sanitizers back to clang build
Fedora23 is but a distant twinkle. The sanitizer works again, and even
if not, we have --enable-sanitizers now.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-Id: <20190912014442.5757-1-jsnow@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2019-09-26 19:00:53 +01:00
Peter Maydell
eb13d1cf4a Migration pull 2019-09-25
me: test fixes from (should stop hangs in postcopy tests).
   me: An RDMA cleanup hang fix
   Wei: Tidy ups around postcopy
   Marc-Andre: mem leak fix
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Merge remote-tracking branch 'remotes/dgilbert/tags/pull-migration-20190925a' into staging

Migration pull 2019-09-25

  me: test fixes from (should stop hangs in postcopy tests).
  me: An RDMA cleanup hang fix
  Wei: Tidy ups around postcopy
  Marc-Andre: mem leak fix

# gpg: Signature made Wed 25 Sep 2019 15:59:41 BST
# gpg:                using RSA key 45F5C71B4A0CB7FB977A9FA90516331EBC5BFDE7
# gpg: Good signature from "Dr. David Alan Gilbert (RH2) <dgilbert@redhat.com>" [full]
# Primary key fingerprint: 45F5 C71B 4A0C B7FB 977A  9FA9 0516 331E BC5B FDE7

* remotes/dgilbert/tags/pull-migration-20190925a:
  migration/postcopy: Recognise the recovery states as 'in_postcopy'
  tests/migration/postcopy: trim migration bandwidth
  tests/migration: Fail on unexpected migration states
  migration/rdma.c: Swap synchronize_rcu for call_rcu
  migration/rdma: Don't moan about disconnects at the end
  migration: remove sent parameter in get_queued_page_not_dirty
  migration/postcopy: unsentmap is not necessary for postcopy
  migration/postcopy: not necessary to do discard when canonicalizing bitmap
  migration: fix vmdesc leak on vmstate_save() error

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-09-26 14:23:58 +01:00
Peter Maydell
d4e536f336 nbd patches for 2019-09-24
- Improved error message for plaintext client of encrypted server
 - Fix various assertions when -object iothread is in use
 - Silence a Coverity error for use-after-free on error path
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Merge remote-tracking branch 'remotes/ericb/tags/pull-nbd-2019-09-24-v2' into staging

nbd patches for 2019-09-24

- Improved error message for plaintext client of encrypted server
- Fix various assertions when -object iothread is in use
- Silence a Coverity error for use-after-free on error path

# gpg: Signature made Wed 25 Sep 2019 14:35:52 BST
# gpg:                using RSA key 71C2CC22B1C4602927D2F3AAA7A16B4A2527436A
# gpg: Good signature from "Eric Blake <eblake@redhat.com>" [full]
# gpg:                 aka "Eric Blake (Free Software Programmer) <ebb9@byu.net>" [full]
# gpg:                 aka "[jpeg image of size 6874]" [full]
# Primary key fingerprint: 71C2 CC22 B1C4 6029 27D2  F3AA A7A1 6B4A 2527 436A

* remotes/ericb/tags/pull-nbd-2019-09-24-v2:
  util/qemu-sockets: fix keep_alive handling in inet_connect_saddr
  tests: Use iothreads during iotest 223
  nbd: Grab aio context lock in more places
  nbd/server: attach client channel to the export's AioContext
  nbd/client: Add hint when TLS is missing

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-09-26 10:13:39 +01:00
Dr. David Alan Gilbert
513aa2c6fa tests/migration/postcopy: trim migration bandwidth
On slow hosts with tcg we were sometimes finding that the migration
would complete during precopy and never get into the postcopy test.
Trim back the bandwidth a bit to make that much less likely.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20190923131022.15498-3-dgilbert@redhat.com>
Reviewed-by: Cleber Rosa <crosa@redhat.com>
Acked-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Cleber Rosa <crosa@redhat.com>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2019-09-25 15:51:19 +01:00
Dr. David Alan Gilbert
e15310ea07 tests/migration: Fail on unexpected migration states
We've got various places where we wait for a migration to enter
a given state; but if we enter an unexpected state we tend to fail
in odd ways; add a mechanism for explicitly testing for any state
which we shouldn't be in.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20190923131022.15498-2-dgilbert@redhat.com>
Reviewed-by: Cleber Rosa <crosa@redhat.com>
Tested-by: Cleber Rosa <crosa@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2019-09-25 15:51:19 +01:00
Peter Maydell
4142b011ca QAPI patches for 2019-09-24
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 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2019-09-24' into staging

QAPI patches for 2019-09-24

# gpg: Signature made Tue 24 Sep 2019 13:10:36 BST
# 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

* remotes/armbru/tags/pull-qapi-2019-09-24: (37 commits)
  qapi: Assert .visit() and .check_clash() run only after .check()
  qapi: Fix excessive QAPISchemaEntity.check() recursion
  qapi: Fix to .check() empty structs just once
  qapi: Delete useless check_exprs() code for simple union kind
  qapi: Clean up around check_known_keys()
  qapi: Simplify check_keys()
  qapi: Normalize 'if' in check_exprs(), like other sugar
  qapi: Fix missing 'if' checks in struct, union, alternate 'data'
  qapi: Reject blank 'if' conditions in addition to empty ones
  qapi: Fix broken discriminator error messages
  qapi: Remove null from schema language
  qapi: Improve reporting of lexical errors
  qapi: Use quotes more consistently in frontend error messages
  tests/qapi-schema: Demonstrate suboptimal lexical errors
  tests/qapi-schema: Demonstrate insufficient 'if' checking
  tests/qapi-schema: Demonstrate broken discriminator errors
  tests/qapi-schema: Demonstrate misleading optional tag error
  tests/qapi-schema: Delete two redundant tests
  tests/qapi-schema: Cover unknown pragma
  qapi: Tweak code to match docs/devel/qapi-code-gen.txt
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-09-25 13:31:21 +01:00
Eric Blake
506902c6fa tests: Use iothreads during iotest 223
Doing so catches the bugs we just fixed with NBD not properly using
correct contexts.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190920220729.31801-1-eblake@redhat.com>
2019-09-24 07:30:19 -05:00
Eric Blake
1b5c15cebd nbd/client: Add hint when TLS is missing
I received an off-list report of failure to connect to an NBD server
expecting an x509 certificate, when the client was attempting something
similar to this command line:

$ ./x86_64-softmmu/qemu-system-x86_64 -name 'blah' -machine q35 -nodefaults \
  -object tls-creds-x509,id=tls0,endpoint=client,dir=$path_to_certs \
  -device virtio-scsi-pci,id=virtio_scsi_pci0,bus=pcie.0,addr=0x6 \
  -drive id=drive_image1,if=none,snapshot=off,aio=threads,cache=none,format=raw,file=nbd:localhost:9000,werror=stop,rerror=stop,tls-creds=tls0 \
  -device scsi-hd,id=image1,drive=drive_image1,bootindex=0
qemu-system-x86_64: -drive id=drive_image1,if=none,snapshot=off,aio=threads,cache=none,format=raw,file=nbd:localhost:9000,werror=stop,rerror=stop,tls-creds=tls0: TLS negotiation required before option 7 (go)
server reported: Option 0x7 not permitted before TLS

The problem?  As specified, -drive is trying to pass tls-creds to the
raw format driver instead of the nbd protocol driver, but before we
get to the point where we can detect that raw doesn't know what to do
with tls-creds, the nbd driver has already failed because the server
complained.  The fix to the broken command line?  Pass
'...,file.tls-creds=tls0' to ensure the tls-creds option is handed to
nbd, not raw.  But since the error message was rather cryptic, I'm
trying to improve the error message.

With this patch, the error message adds a line:

qemu-system-x86_64: -drive id=drive_image1,if=none,snapshot=off,aio=threads,cache=none,format=raw,file=nbd:localhost:9000,werror=stop,rerror=stop,tls-creds=tls0: TLS negotiation required before option 7 (go)
Did you forget a valid tls-creds?
server reported: Option 0x7 not permitted before TLS

And with luck, someone grepping for that error message will find this
commit message and figure out their command line mistake.  Sadly, the
only mention of file.tls-creds in our docs relates to an --image-opts
use of PSK encryption with qemu-img as the client, rather than x509
certificate encryption with qemu-kvm as the client.

CC: Tingting Mao <timao@redhat.com>
CC: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190907172055.26870-1-eblake@redhat.com>
[eblake: squash in iotest 233 fix]
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2019-09-24 07:30:19 -05:00
Markus Armbruster
dec0012ef8 qapi: Fix missing 'if' checks in struct, union, alternate 'data'
Commit 87adbbffd4..3e270dcacc "qapi: Add 'if' to (implicit
struct|union|alternate) members" (v4.0.0) neglected test coverage, and
promptly failed to check the conditions.  Review fail.

Recent commit "tests/qapi-schema: Demonstrate insufficient 'if'
checking" added test coverage, demonstrating the bug.  Fix it by add
the missing check_if().

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190914153506.2151-13-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2019-09-24 14:07:23 +02:00
Markus Armbruster
c2c7065e17 qapi: Reject blank 'if' conditions in addition to empty ones
"'if': 'COND'" generates "#if COND".  We reject empty COND because it
won't compile.  Blank COND won't compile any better, so reject that,
too.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190914153506.2151-12-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2019-09-24 14:07:23 +02:00
Markus Armbruster
887a2069f7 qapi: Fix broken discriminator error messages
check_union() checks the discriminator exists in base and makes sense.
Two error messages mention the base.  These are broken for anonymous
bases, as demonstrated by tests flat-union-invalid-discriminator and
flat-union-invalid-if-discriminator.err.  The third one doesn't
bother.

First broken when commit ac4338f8eb "qapi: Allow anonymous base for
flat union" (v2.6.0) neglected to adjust the "not a member of base"
error message.  Commit ccadd6bcba "qapi: Add 'if' to implicit struct
members" (v4.0.0) then cloned the flawed error message.

Dumb them down not to mention the base.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190914153506.2151-11-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2019-09-24 14:07:23 +02:00
Markus Armbruster
9d55380b5a qapi: Remove null from schema language
We represent the parse tree as OrderedDict.  We fetch optional dict
members with .get().  So far, so good.

We represent null literals as None.  .get() returns None both for
"absent" and for "present, value is the null literal".  Uh-oh.

Test features-if-invalid exposes this bug: "'if': null" is
misinterpreted as absent "if".

We added null to the schema language to "allow [...] an explicit
default value" (commit e53188ada5 "qapi: Allow true, false and null in
schema json", v2.4.0).  Hasn't happened; null is still unused except
as generic invalid value in tests/.

To fix, we'd have to replace .get() by something more careful, or
represent null differently.  Feasible, but we got more and bigger fish
to fry right now.  Remove the null literal from the schema language.
Replace null in tests by another invalid value.

Test features-if-invalid now behaves as it should.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190914153506.2151-10-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2019-09-24 14:07:23 +02:00
Markus Armbruster
14c3279502 qapi: Improve reporting of lexical errors
Show text up to next structural character, whitespace, or quote
character instead of just the first character.

Forgotten quotes now get reported like "Stray 'command'" instead of
"Stray 'c'".

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190914153506.2151-9-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2019-09-24 14:07:23 +02:00
Markus Armbruster
9f5e6b088a qapi: Use quotes more consistently in frontend error messages
Consistently enclose error messages in double quotes.  Use single
quotes within, except for one case of "'".

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190914153506.2151-8-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2019-09-24 14:07:23 +02:00
Markus Armbruster
4d42815587 tests/qapi-schema: Demonstrate suboptimal lexical errors
The error message for forgotten quotes around a name shows just the
name's first character, which isn't as nice as it could be.  Same for
attempting to use a number.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190914153506.2151-7-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2019-09-24 14:07:23 +02:00
Markus Armbruster
ef91ab0d5f tests/qapi-schema: Demonstrate insufficient 'if' checking
Cover invalid 'if' in struct members, features, union and alternate
branches.  Four out of four are broken.  Mark FIXME.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190914153506.2151-6-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[Comment typo fixed]
2019-09-24 14:07:23 +02:00
Markus Armbruster
31248b985e tests/qapi-schema: Demonstrate broken discriminator errors
When the union definition's base is an object, some error messages
show it as an OrderedDict.  Oops.  Mark FIXME.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190914153506.2151-5-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2019-09-24 14:07:22 +02:00
Markus Armbruster
cd346bdc46 tests/qapi-schema: Demonstrate misleading optional tag error
Test flat-union-optional-discriminator declares its union tag as
'*switch': 'Enum', and points to it with 'discriminator': '*switch'.
This gets rejected as "discriminator of flat union 'MyUnion' uses
invalid name '*switch'".  Correct; member 'discriminator' doesn't
accept a '*' prefix.

However, this merely tests name validity checking, which we already
cover elsewhere.  More interesting is testing the valid name 'switch'.
This reports "discriminator 'switch' is not a member of base struct
'Base'", which is misleading.

Copy the existing 'discriminator': '*switch' test to
flat-union-discriminator-bad-name, and rewrite its comment.  Change
flat-union-optional-discriminator to test 'discriminator': 'switch',
and mark it FIXME.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190914153506.2151-4-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2019-09-24 14:07:22 +02:00
Markus Armbruster
352ada9ad4 tests/qapi-schema: Delete two redundant tests
Tests duplicate-key and double-data test the same thing.  The former
predates the latter, and it has a better name.  Delete the latter, and
tweak the former's comment.

Tests include-format-err and include-extra-junk test the same thing.
The former predates the latter, but the latter has a better name and a
comment.  Delete the former.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190914153506.2151-3-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2019-09-24 14:07:22 +02:00
Markus Armbruster
137cf6a9be tests/qapi-schema: Cover unknown pragma
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190914153506.2151-2-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2019-09-24 14:07:22 +02:00
Markus Armbruster
8d40738d2f qapi: Tweak code to match docs/devel/qapi-code-gen.txt
The previous commit made qapi-code-gen.txt define "(top-level)
expression" as either "directive" or "definition".  The code still
uses "expression" when it really means "definition".  Tidy up.

The previous commit made qapi-code-gen.txt use "object" rather than
"dictionary".  The code still uses "dictionary".  Tidy up.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190913201349.24332-17-armbru@redhat.com>
2019-09-24 14:07:22 +02:00
Markus Armbruster
398969fe1c qapi: Adjust frontend errors to say enum value, not member
For consistency with docs/devel/qapi-code-gen.txt.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190913201349.24332-12-armbru@redhat.com>
2019-09-24 14:07:22 +02:00
Markus Armbruster
0ced9531f1 qapi: Permit omitting all flat union branches
Absent flat union branches default to the empty struct (since commit
800877bb16 "qapi: allow empty branches in flat unions").  But an
attempt to omit all of them is rejected with "Union 'FOO' has no
branches".  Harmless oddity, but it's easy to avoid, so do that.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190913201349.24332-11-armbru@redhat.com>
[Commit message typo fixed]
2019-09-24 14:07:22 +02:00
Markus Armbruster
f03255362a qapi: Permit alternates with just one branch
A union or alternate without branches makes no sense and doesn't work:
it can't be instantiated.  A union or alternate with just one branch
works, but is degenerate.  We accept the former, but reject the
latter.  Weird.  docs/devel/qapi-code-gen.txt doesn't mention the
difference.  It claims an alternate definition is "is similar to a
simple union type".

Permit degenerate alternates to make them consistent with unions.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190913201349.24332-10-armbru@redhat.com>
2019-09-24 14:07:22 +02:00
Markus Armbruster
675b214bc6 qapi: Permit 'boxed' with empty type
We reject empty types with 'boxed': true.  We don't really need that
to work, but making it work is actually simpler than rejecting it, so
do that.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190913201349.24332-9-armbru@redhat.com>
2019-09-24 14:07:22 +02:00
Markus Armbruster
9b4416bfc1 qapi: Drop support for escape sequences other than \\
Since the previous commit restricted strings to printable ASCII,
\uXXXX's only use is obfuscation.  Drop it.

This leaves \\, \/, \', and \".  Since QAPI schema strings are all
names, and names are restricted to ASCII letters, digits, hyphen, and
underscore, none of them is useful.

The latter three have no test coverage.  Drop them.

Keep \\ to avoid (more) gratuitous incompatibility with JSON.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190913201349.24332-8-armbru@redhat.com>
2019-09-24 14:07:22 +02:00
Markus Armbruster
56a8caff92 qapi: Restrict strings to printable ASCII
RFC 8259 on string contents:

   All Unicode characters may be placed within the quotation marks,
   except for the characters that MUST be escaped: quotation mark,
   reverse solidus, and the control characters (U+0000 through
   U+001F).

The QAPI schema parser accepts both less and more than JSON: it
accepts only ASCII with \u (less), and accepts control characters
other than LF (new line) unescaped.  How it treats unescaped non-ASCII
input differs between Python 2 and Python 3.

Make it accept strictly less: require printable ASCII.  Drop support
for \b, \f, \n, \r, \t.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190913201349.24332-7-armbru@redhat.com>
2019-09-24 14:07:22 +02:00
Markus Armbruster
05d6ecd049 tests/qapi-schema: Demonstrate bad reporting of funny characters
Invalid name 'not\\possible' is reported as 'not\possible'.  Control
characters (quoted or not) are even more confusing.  Mark FIXME.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190913201349.24332-6-armbru@redhat.com>
2019-09-24 14:07:22 +02:00
Markus Armbruster
b22e86585b qapi: Drop support for boxed alternate arguments
Commands and events can define their argument type inline (default) or
by referring to another type ('boxed': true, since commit c818408e44
"qapi: Implement boxed types for commands/events", v2.7.0).  The
unboxed inline definition is an (anonymous) struct type.  The boxed
type may be a struct, union, or alternate type.

The latter is problematic: docs/interop/qemu-spec.txt requires the
value of the 'data' key to be a json-object, but any non-degenerate
alternate type has at least one branch that isn't.

Fortunately, we haven't made use of alternates in this context outside
tests/.  Drop support for them.

QAPISchemaAlternateType.is_empty() is now unused.  Drop it, too.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190913201349.24332-4-armbru@redhat.com>
2019-09-24 14:07:22 +02:00
Peter Maydell
8dc57281b8 Improvements include:
* Relaxed error code pattern on machine_m68k_nextcube.py
  * Better naming and separation of tests in x86_cpu_model_versions.py
  * New checks on guest side on linux_ssh_mips_malta.py
  * Use of avocado.utils.ssh, and thus "/usr/bin/ssh" for SSH
    interaction
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Merge remote-tracking branch 'remotes/cleber/tags/python-next-pull-request' into staging

Improvements include:

 * Relaxed error code pattern on machine_m68k_nextcube.py
 * Better naming and separation of tests in x86_cpu_model_versions.py
 * New checks on guest side on linux_ssh_mips_malta.py
 * Use of avocado.utils.ssh, and thus "/usr/bin/ssh" for SSH
   interaction

# gpg: Signature made Mon 23 Sep 2019 14:38:01 BST
# gpg:                using RSA key 7ABB96EB8B46B94D5E0FE9BB657E8D33A5F209F3
# gpg: Good signature from "Cleber Rosa <crosa@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: 7ABB 96EB 8B46 B94D 5E0F  E9BB 657E 8D33 A5F2 09F3

* remotes/cleber/tags/python-next-pull-request:
  Acceptance tests: use avocado.utils.ssh for SSH interaction
  tests/acceptance: Add new test cases in linux_ssh_mips_malta.py
  tests/acceptance: Refactor and improve reporting in linux_ssh_mips_malta.py
  Acceptance test x86_cpu_model_versions: split into smaller tests
  Acceptance test x86_cpu_model_versions: fix mismatches between test and messages
  Acceptance test x86_cpu_model_versions: shutdown VMs
  Acceptance test machine_m68k_nextcube.py: relax the error code pattern

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-09-23 23:04:57 +01:00