The 32-bit product should be sign-extended, not zero-extended.
Fixes: ea96b37464
Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Message-id: 20190912183058.17947-1-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Implement reconnect. To achieve this:
1. add new modes:
connecting-wait: means, that reconnecting is in progress, and there
were small number of reconnect attempts, so all requests are
waiting for the connection.
connecting-nowait: reconnecting is in progress, there were a lot of
attempts of reconnect, all requests will return errors.
two old modes are used too:
connected: normal state
quit: exiting after fatal error or on close
Possible transitions are:
* -> quit
connecting-* -> connected
connecting-wait -> connecting-nowait (transition is done after
reconnect-delay seconds in connecting-wait mode)
connected -> connecting-wait
2. Implement reconnect in connection_co. So, in connecting-* mode,
connection_co, tries to reconnect unlimited times.
3. Retry nbd queries on channel error, if we are in connecting-wait
state.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20191009084158.15614-3-vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
Introduce a function to gracefully wake a coroutine sleeping in
qemu_co_sleep_ns().
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20191009084158.15614-2-vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
'savevm' was buggy as it considered all monitor-owned block device
nodes for snapshot. With the introduction of -blockdev, the common
usage made all nodes including protocol and backing file nodes be
monitor-owned and thus considered for snapshot.
This is a problem since the 'file' protocol nodes can't have internal
snapshots and it does not make sense to take snapshot of nodes
representing backing files.
This was fixed by commit 05f4aced65. Clients need to be able to
detect whether this fix is present.
Since savevm does not have an QMP alternative, add the feature for the
'human-monitor-command' backdoor which is used to call this command in
modern use.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20191018081454.21369-6-armbru@redhat.com>
Commit 8aa3a33e44 "tests/qapi-schema: Test for good feature lists in
structs" neglected to cover documentation comments, and the previous
commit followed its example. Make up for them.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20191018081454.21369-5-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20191018081454.21369-4-armbru@redhat.com>
Similarly to features for struct types introduce the feature flags also
for commands. This will allow notifying management layers of fixes and
compatible changes in the behaviour of a command which may not be
detectable any other way.
The changes were heavily inspired by commit 6a8c0b5102.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20191018081454.21369-3-armbru@redhat.com>
Command and event details are indented three spaces, everything else
four. Messed up in commit 156402e504. Use four spaces consistently.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Message-Id: <20191018081454.21369-2-armbru@redhat.com>
Commit fbf09a2fa4 "qapi: add 'ifcond' to visitor methods" brought back
the executable bits. Fix that. Drop the #! line for good measure.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20191018074345.24034-8-armbru@redhat.com>
The QAPI code generator clocks in at some 3100 SLOC in 8 source files.
Almost 60% of the code is in qapi/common.py. Split it into more
focused modules:
* Move QAPISchemaPragma and QAPISourceInfo to qapi/source.py.
* Move QAPIError and its sub-classes to qapi/error.py.
* Move QAPISchemaParser and QAPIDoc to parser.py. Use the opportunity
to put QAPISchemaParser first.
* Move check_expr() & friends to qapi/expr.py. Use the opportunity to
put the code into a more sensible order.
* Move QAPISchema & friends to qapi/schema.py
* Move QAPIGen and its sub-classes, ifcontext,
QAPISchemaModularCVisitor, and QAPISchemaModularCVisitor to qapi/gen.py
* Delete camel_case(), it's unused since commit e98859a9b9 "qapi:
Clean up after recent conversions to QAPISchemaVisitor"
A number of helper functions remain in qapi/common.py. I considered
moving the code generator helpers to qapi/gen.py, but decided not to.
Perhaps we should rewrite them as methods of QAPIGen some day.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20191018074345.24034-7-armbru@redhat.com>
[Add "# -*- coding: utf-8 -*-" lines]
The next commit will split up qapi/common.py. gen_enum() needs
QAPISchemaEnumMember, and that's in the way. Move it to qapi/types.py
along with its buddy gen_enum_lookup().
Permit me a short a digression on history: how did gen_enum() end up
in qapi/common.py? Commit 21cd70dfc1 "qapi script: add event support"
duplicated qapi-types.py's gen_enum() and gen_enum_lookup() in
qapi-event.py. Simply importing them would have been cleaner, but
wasn't possible as qapi-types.py was a program, not a module. Commit
efd2eaa6c2 "qapi: De-duplicate enum code generation" de-duplicated by
moving them to qapi.py, which was a module.
Since then, program qapi-types.py has morphed into module types.py.
It's where gen_enum() and gen_enum_lookup() started, and where they
belong.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20191018074345.24034-6-armbru@redhat.com>
"make check-qapi-schema" takes around 10s user + system time for me.
With -j, it takes a bit over 3s real time. We have worse tests. It's
still annoying when you work on the QAPI generator.
Some 1.4s user + system time is consumed by make figuring out what to
do, measured by making a target that does nothing. There's nothing I
can do about that right now. But let's see what we can do about the
other 8s.
Almost 7s are spent running test-qapi.py for every test case, the rest
normalizing and diffing test-qapi.py output. We have 190 test cases.
If I downgrade to python2, it's 4.5s, but python2 is a goner.
Hacking up test-qapi.py to exit(0) without doing anything makes it
only marginally faster. The problem is Python startup overhead.
Our configure puts -B into $(PYTHON). Running without -B is faster:
4.4s.
We could improve the Makefile to run test cases only when the test
case or the generator changed. But I'm after improvement in the case
where the generator changed.
test-qapi.py is designed to be the simplest possible building block
for a shell script to do the complete job (it's actually a Makefile,
not a shell script; no real difference). Python is just not meant for
that. It's for bigger blocks.
Move the post-processing and diffing into test-qapi.py, and make it
capable of testing multiple schema files. Set executable bits while
there.
Running it once per test case now takes slightly longer than 8s. But
running it once for all of them takes under 0.2s.
Messing with the Makefile to run it only on the tests that need
retesting is clearly not worth the bother.
Expected error output changes because the new normalization strips off
$(SRCDIR)/tests/qapi-schema/ instead of just $(SRCDIR)/.
The .exit files go away, because there is no exit status to test
anymore.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20191018074345.24034-5-armbru@redhat.com>
The frontend can't be run more than once due to its global state.
A future commit will want to do that.
The only global frontend state remaining is accidental:
QAPISchemaParser.__init__()'s parameter previously_included=[].
Python evaluates the default once, at definition time. Any
modifications to it are visible in subsequent calls. Well-known
Python trap. Change the default to None and replace it by the real
default in the function body. Use the opportunity to convert
previously_included to a set.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20191018074345.24034-4-armbru@redhat.com>
The frontend can't be run more than once due to its global state.
A future commit will want to do that.
Recent commit "qapi: Move context-sensitive checking to the proper
place" got rid of many global variables already, but pragma state is
still stored in global variables (that's why a pragma directive's
scope is the complete schema).
Move the pragma state to QAPISourceInfo.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20191018074345.24034-3-armbru@redhat.com>
Commit bc52d03ff5 "qapi: Make doc comments optional where we don't
need them" made scripts/qapi2texi.py fail[*] unless the schema had
pragma 'doc-required': true. The stated reason was inability to cope
with incomplete documentation.
When commit fb0bc835e5 "qapi-gen: New common driver for code and doc
generators" folded scripts/qapi2texi.py into scripts/qapi-gen.py, it
turned the failure into silent suppression.
The doc generator can cope with incomplete documentation now. I don't
know since when, or what the problem was, or even whether it ever
existed.
Drop the silent suppression.
[*] The fail part was broken, fixed in commit e8ba07ea9a.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20191018074345.24034-2-armbru@redhat.com>
The need for specifying "-hda" together with "-kernel" has been removed in
commit 57a46d0579 ("Convert linux bootrom to external rom and fw_cfg"),
almost 10 years ago, so let's remove this description from our documentation
now, too.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Message-Id: <20191001110111.4870-1-thuth@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
We have to set the default model of all machine classes, not just for
the active one. Otherwise, "query-machines" will indicate the wrong
CPU model ("qemu-s390x-cpu" instead of "host-s390x-cpu") as
"default-cpu-type".
Doing a
{"execute":"query-machines"}
under KVM now results in
{"return": [
{
"hotpluggable-cpus": true,
"name": "s390-ccw-virtio-4.0",
"numa-mem-supported": false,
"default-cpu-type": "host-s390x-cpu",
"cpu-max": 248,
"deprecated": false},
{
"hotpluggable-cpus": true,
"name": "s390-ccw-virtio-2.7",
"numa-mem-supported": false,
"default-cpu-type": "host-s390x-cpu",
"cpu-max": 248,
"deprecated": false
} ...
Libvirt probes all machines via "-machine none,accel=kvm:tcg" and will
currently see the wrong CPU model under KVM.
Reported-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Fixes: b6805e127c ("s390x: use generic cpu_model parsing")
Cc: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20191021100515.6978-1-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
The numbers are unsigned, the computation is wrong. "Each operand is
treated as an unsigned binary integer".
Let's implement as given in the PoP:
"A subtraction is performed by adding the contents of the second operand
with the bitwise complement of the third operand along with a borrow
indication from the rightmost bit of the fourth operand."
Reuse gen_accc2_i64().
Fixes: bc725e6515 ("s390x/tcg: Implement VECTOR SUBTRACT WITH BORROW COMPUTE BORROW INDICATION")
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20191021085715.3797-7-david@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Testing this, there seems to be something messed up. We are dealing with
unsigned numbers. "Each operand is treated as an unsigned binary integer."
Let's just implement as written in the PoP:
"A subtraction is performed by adding the contents of
the second operand with the bitwise complement of
the third operand along with a borrow indication from
the rightmost bit position of the fourth operand and
the result is placed in the first operand."
We can reuse gen_ac2_i64().
Fixes: 48390a7c27 ("s390x/tcg: Implement VECTOR SUBTRACT WITH BORROW INDICATION")
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20191021085715.3797-6-david@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Looks like my idea of what a "borrow" is was wrong. The PoP says:
"If the resulting subtraction results in a carry out of bit zero, a value
of one is placed in the corresponding element of the first operand;
otherwise, a value of zero is placed in the corresponding element"
As clarified by Richard, all we have to do is invert the result.
Fixes: 1ee2d7ba72 ("s390x/tcg: Implement VECTOR SUBTRACT COMPUTE BORROW INDICATION")
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20191021085715.3797-5-david@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
We forgot to propagate the highest bit accross the high doubleword in
two cases (shift >=64).
Fixes: 5f724887e3 ("s390x/tcg: Implement VECTOR SHIFT RIGHT ARITHMETIC")
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20191021085715.3797-4-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
We missed that we always read a "double-wide even-odd element
pair of the fourth operand". Fix it in all four variants.
Fixes: 1b430aec41 ("s390x/tcg: Implement VECTOR MULTIPLY AND ADD *")
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20191021085715.3797-3-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
We have to read from odd offsets.
Fixes: 2bf3ee38f1 ("s390x/tcg: Implement VECTOR MULTIPLY *")
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20191021085715.3797-2-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
No need to double-check if we have a write.
Found by Coverity (CID: 1406404).
Fixes: 31b5941906 ("target/s390x: Return exception from mmu_translate_real")
Cc: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20191017121922.18840-1-david@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Beata Michalska noticed this missing visit_free() while reviewing
arm's implementation of qmp_query_cpu_model_expansion(), which is
modeled off this s390x implementation.
Signed-off-by: Andrew Jones <drjones@redhat.com>
Message-Id: <20191016145434.7007-1-drjones@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
If the format is not the syscall last argument, a comma is append.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20191021114857.20538-9-f4bug@amsat.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Extract common print_sockfd() from various socket related syscalls.
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20191021114857.20538-7-f4bug@amsat.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
In any of these `*_for_each_*` functions, the last entry in the buffer (so the
"remaining length in the buffer" `len` is equal to the length of the
entry `nlmsg_len`/`nla_len`/etc) has size that is not a multiple of the
alignment, the aligned lengths `*_ALIGN(*_len)` will be greater than `len`.
Since `len` is unsigned (`size_t`), it underflows and the loop will read
pass the buffer.
This may manifest as random EINVAL or EOPNOTSUPP error on IO or network
system calls.
Signed-off-by: Shu-Chun Weng <scw@google.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20191018001920.178283-1-scw@google.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
virt machine is a sim machine with generic PCI host controller.
Make common parts of sim machine initialization reusable.
Add PCI controller at 0xf0000000 with PIO space at its base address,
ECAM space at base address + 1M and MMIO space at base address + 64M.
Connect IRQ lines to consecutive CPU external IRQ pins starting from 0.
Instantiate network interfaces on virt machine.
Xtensa linux kernel configuration virt_defconfig can successfully boot
on this machine.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Overlay part of the test_mmuhifi_c3 core has GPL3 copyright headers in
it. Fix that by regenerating test_mmuhifi_c3 core overlay and
re-importing it.
Fixes: d848ea7767 ("target/xtensa: add test_mmuhifi_c3 core")
Reported-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
audio: 5.1/7.1 support for alsa, pa and usb-audio.
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Merge remote-tracking branch 'remotes/kraxel/tags/audio-20191018-pull-request' into staging
audio: bugfixes, pa connection and stream naming.
audio: 5.1/7.1 support for alsa, pa and usb-audio.
# gpg: Signature made Fri 18 Oct 2019 08:41:26 BST
# gpg: using RSA key 4CB6D8EED3E87138
# 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/audio-20191018-pull-request:
paaudio: fix channel order for usb-audio 5.1 and 7.1 streams
usbaudio: change playback counters to 64 bit
usb-audio: support more than two channels of audio
usb-audio: do not count on avail bytes actually available
audio: basic support for multichannel audio
audio: replace shift in audio_pcm_info with bytes_per_frame
audio: support more than two channels in volume setting
paaudio: get/put_buffer functions
audio: make mixeng optional
audio: add mixing-engine option (documentation)
audio: paaudio: ability to specify stream name
audio: paaudio: fix connection and stream name
audio: fix parameter dereference before NULL check
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
If we try to start QEMU with "-k en-us", qemu prints a message and exits
with:
qemu-system-i386: could not read keymap file: 'en-us'
It's because this function is called way too early, before
qemu_add_data_dir() is called, and so qemu_find_file() fails.
To fix that, move init_keyboard_layout() from the class init function to the
instance init function.
Reported-by: Anthony PERARD <anthony.perard@citrix.com>
Reviewed-by: Anthony PERARD <anthony.perard@citrix.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-id: 20190923220658.27007-1-laurent@vivier.eu
Fixes: 6105683da3 ("ui: add an embedded Barrier client")
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
The current code does not correctly pass the color pair information to
setcchar(), it instead always passes zero. This results in the curses
output always being in white on black.
This patch fixes this by using PAIR_NUMBER() to retrieve the color pair
number from the chtype value, and then passes that value as an argument
to setcchar().
Signed-off-by: Matthew Kilgore <mattkilgore12@gmail.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Tested-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Message-id: 20191004035338.25601-3-mattkilgore12@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
The curses API provides the A_ATTRIBUTES and A_CHARTEXT bit masks for
getting the attributes and character parts of a chtype, respectively. We
should use provided constants instead of using 0xff.
Signed-off-by: Matthew Kilgore <mattkilgore12@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Tested-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Message-id: 20191004035338.25601-2-mattkilgore12@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
macOS API documentation says that before applicationDidFinishLaunching
is called, any events will not be processed. However, some events are
fired before it is called in macOS Catalina. This causes deadlock of
iothread_lock in handleEvent while it will be released after the
app_started_sem is posted.
This patch avoids processing events before the app_started_sem is
posted to prevent this deadlock.
Buglink: https://bugs.launchpad.net/qemu/+bug/1847906
Signed-off-by: Hikaru Nishida <hikarupsp@gmail.com>
Message-id: 20191015010734.85229-1-hikarupsp@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
