Commit Graph

7655 Commits

Author SHA1 Message Date
Vladimir Sementsov-Ogievskiy
bfae052a57 block: bdrv_reopen_parse_backing(): don't check frozen child
bdrv_set_backing_noperm() takes care of it (actual check is in
bdrv_set_file_or_backing_noperm()), so we don't need to check it here.

While being here, improve error message a bit.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20210610120537.196183-5-vsementsov@virtuozzo.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2021-06-29 16:51:00 +02:00
Max Reitz
d5b2399458 block: BDRV_O_NO_IO for backing file on creation
When creating an image file with a backing file, we generally try to
open the backing file (unless -u was specified), mostly to verify that
it is there, but also to get the file size if none was specified for the
new image.

For neither of these things do we need data I/O, and so we can pass
BDRV_O_NO_IO when opening the backing file.  This allows us to open even
encrypted backing images without requiring the user to provide a secret.

This makes the -u switch in iotests 189 and 198 unnecessary (and the
$size parameter), so drop it, because this way we get regression tests
for this patch here.

Fixes: https://gitlab.com/qemu-project/qemu/-/issues/441
Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20210622140030.212487-1-mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2021-06-29 16:51:00 +02:00
Peter Maydell
6512fa497c * Some Meson test conversions
* KVM dirty page ring buffer fix
 * KVM TSC scaling support
 * Fixes for SG_IO with /dev/sdX devices
 * (Non)support for host devices on iOS
 * -smp cleanups
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Merge remote-tracking branch 'remotes/bonzini-gitlab/tags/for-upstream' into staging

* Some Meson test conversions
* KVM dirty page ring buffer fix
* KVM TSC scaling support
* Fixes for SG_IO with /dev/sdX devices
* (Non)support for host devices on iOS
* -smp cleanups

# gpg: Signature made Fri 25 Jun 2021 15:16:18 BST
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini-gitlab/tags/for-upstream: (28 commits)
  machine: reject -smp dies!=1 for non-PC machines
  machine: pass QAPI struct to mc->smp_parse
  machine: add error propagation to mc->smp_parse
  machine: move common smp_parse code to caller
  machine: move dies from X86MachineState to CpuTopology
  file-posix: handle EINTR during ioctl
  block: detect DKIOCGETBLOCKCOUNT/SIZE before use
  block: try BSD disk size ioctls one after another
  block: check for sys/disk.h
  block: feature detection for host block support
  file-posix: try BLKSECTGET on block devices too, do not round to power of 2
  block: add max_hw_transfer to BlockLimits
  block-backend: align max_transfer to request alignment
  osdep: provide ROUND_DOWN macro
  scsi-generic: pass max_segments via max_iov field in BlockLimits
  file-posix: fix max_iov for /dev/sg devices
  KVM: Fix dirty ring mmap incorrect size due to renaming accident
  configure, meson: convert libusbredir detection to meson
  configure, meson: convert libcacard detection to meson
  configure, meson: convert libusb detection to meson
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-06-28 21:04:22 +01:00
Peter Maydell
5d2d18ae39 audio: bugfixes
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Merge remote-tracking branch 'remotes/kraxel/tags/audio-20210624-pull-request' into staging

audio: bugfixes

# gpg: Signature made Thu 24 Jun 2021 13:16:16 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/audio-20210624-pull-request:
  hw/audio/sb16: Restrict I/O sampling rate range for command 41h/42h
  coreaudio: Lock only the buffer

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-06-25 18:55:58 +01:00
Alex Bennée
f101c9fe29 tests/tcg: skip the signals test for hppa/s390x for now
There are fixes currently in flight but as this is getting in the way
of a green CI we might as well skip for now. For reference the fix
series are:

  linux-user: Move signal trampolines to new page
  20210616011209.1446045-1-richard.henderson@linaro.org

and

  linux-user: Load a vdso for x86_64 and hppa
  20210619034329.532318-1-richard.henderson@linaro.org

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Cc: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210623102749.25686-7-alex.bennee@linaro.org>
2021-06-25 10:08:37 +01:00
Alex Bennée
e8d61f7d21 tests/acceptance: tweak the tcg/kvm tests for virt
Really it's only TCG that can select which GIC model you want, KVM
guests should always be using the "host" version of the GIC for which
QEMU already provides a handy shortcut. Make the KVM test use this and
split the TCG test into it's two versions.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Message-Id: <20210623102749.25686-2-alex.bennee@linaro.org>
2021-06-25 10:05:36 +01:00
Paolo Bonzini
05e391ae40 configure, meson: convert pam detection to meson
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-06-25 10:54:10 +02:00
Paolo Bonzini
ba7ed407e6 configure, meson: convert libtasn1 detection to meson
Make it depend on gnutls too, since it is only used as part of gnutls
tests.

Reviewed-by: Richard Henderson <richard.henderson@liaro.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-06-25 10:53:46 +02:00
Paolo Bonzini
5761251138 configure, meson: convert crypto detection to meson
Reviewed-by: Richard Henderson <richard.henderson@liaro.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-06-25 10:53:46 +02:00
Paolo Bonzini
4c1f23cfb8 tests: remove QCRYPTO_HAVE_TLS_TEST_SUPPORT
meson.build already decides whether it is possible to build the TLS
test suite.  There is no need to include that in the source as well.
The dummy tests in fact are broken because they do not produce valid
TAP output (empty output is rejected by scripts/tap-driver.pl).

Cc: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-06-25 10:53:46 +02:00
Qiang Liu
60e543f5ce hw/audio/sb16: Restrict I/O sampling rate range for command 41h/42h
The I/O sampling rate range is enforced to 5000 to 45000HZ according to
commit a2cd86a9. Setting I/O sampling rate with command 41h/42h, a guest
user can break this assumption and trigger an assertion in audio_calloc
via command 0xd4. This patch restricts the I/O sampling rate range for
command 41h/42h.

Fixes: 85571bc741 ("audio merge (malc)")
Signed-off-by: Qiang Liu <cyruscyliu@gmail.com>
Message-Id: <1624502687-5214-1-git-send-email-cyruscyliu@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-06-24 11:42:54 +02:00
Peter Maydell
d0ac9a6147 * Documentation updates
* Remove leading underscores from header guards
 * Display hexadecimal value with '0x' prefix
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Merge remote-tracking branch 'remotes/thuth-gitlab/tags/pull-request-2021-06-21' into staging

* Documentation updates
* Remove leading underscores from header guards
* Display hexadecimal value with '0x' prefix

# gpg: Signature made Mon 21 Jun 2021 11:33:53 BST
# gpg:                using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg:                issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg:                 aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3  EAB9 2ED9 D774 FE70 2DB5

* remotes/thuth-gitlab/tags/pull-request-2021-06-21:
  MAINTAINERS: Add qtest/arm-cpu-features.c to ARM TCG CPUs section
  fuzz: Display hexadecimal value with '0x' prefix
  Remove leading underscores from QEMU defines
  Update documentation to refer to new location for issues
  docs/tools/virtiofsd: Fix bad rst syntax
  docs/tools/virtiofsd.rst: Do not hard-code the QEMU binary name
  docs/interop/live-block-operations: Do not hard-code the QEMU binary name

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-06-24 09:31:26 +01:00
Peter Maydell
b22726abdf Linux-user pull request 20210621
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 =r2Ym
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/vivier2/tags/linux-user-for-6.1-pull-request' into staging

Linux-user pull request 20210621

# gpg: Signature made Mon 21 Jun 2021 12:03:53 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/linux-user-for-6.1-pull-request:
  linux-user: Use public sigev_notify_thread_id member if available
  linux-user: Fix incorrect use of feature-test-macros
  linux-user: Check for ieee128 fpbits in PPC64 HWCAP2 feature list
  tests/tcg/linux-test: Check that sigaction can query SIGKILL/SIGSTOP
  linux-user: Let sigaction query SIGKILL/SIGSTOP
  linux-user: Implement pivot_root
  linux-user/trace-events: fix minor typo in format string
  linux-user: Disable static assert involving __SIGRTMAX if it is missing
  linux-user: Set CF_PARALLEL when mapping shared memory

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-06-22 16:07:53 +01:00
Peter Maydell
b733163e05 TCI cleanup and re-encoding
Fixes for #367 and #390.
 Move TCGCond to tcg/tcg-cond.h.
 Fix for win32 qemu_try_memalign.
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Merge remote-tracking branch 'remotes/rth-gitlab/tags/pull-tcg-20210619-2' into staging

TCI cleanup and re-encoding
Fixes for #367 and #390.
Move TCGCond to tcg/tcg-cond.h.
Fix for win32 qemu_try_memalign.

# gpg: Signature made Sun 20 Jun 2021 05:23:53 BST
# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg:                issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A  05C0 64DF 38E8 AF7E 215F

* remotes/rth-gitlab/tags/pull-tcg-20210619-2: (33 commits)
  util/oslib-win32: Fix fatal assertion in qemu_try_memalign
  tcg: expose TCGCond manipulation routines
  tcg: Restart when exhausting the stack frame
  tcg: Allocate sufficient storage in temp_allocate_frame
  tcg/sparc: Fix temp_allocate_frame vs sparc stack bias
  accel/tcg: Probe the proper permissions for atomic ops
  tests/tcg: Increase timeout for TCI
  tcg/tci: Use {set,clear}_helper_retaddr
  tcg/tci: Remove the qemu_ld/st_type macros
  Revert "tcg/tci: Use exec/cpu_ldst.h interfaces"
  tcg/tci: Split out tci_qemu_ld, tci_qemu_st
  tcg/tci: Implement add2, sub2
  tcg/tci: Implement mulu2, muls2
  tcg/tci: Implement clz, ctz, ctpop
  tcg/tci: Implement extract, sextract
  tcg/tci: Implement andc, orc, eqv, nand, nor
  tcg/tci: Implement movcond
  tcg/tci: Implement goto_ptr
  tcg/tci: Change encoding to uint32_t units
  tcg/tci: Remove tci_write_reg
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-06-22 10:39:16 +01:00
Philippe Mathieu-Daudé
a8fbec7ed8 fuzz: Display hexadecimal value with '0x' prefix
Use memory_region_size() to get the MemoryRegion size,
and display it with the '0x' prefix.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210612195842.1595999-1-f4bug@amsat.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2021-06-21 05:50:57 +02:00
Ahmed Abouzied
e52ee00dab Remove leading underscores from QEMU defines
Leading underscores followed by a capital letter or underscore are
reserved by the C standard.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/369

Signed-off-by: Ahmed Abouzied <email@aabouzied.com>
Message-Id: <20210605174938.13782-1-email@aabouzied.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2021-06-21 05:49:01 +02:00
Ilya Leoshkevich
1df0f5c114 tests/tcg/linux-test: Check that sigaction can query SIGKILL/SIGSTOP
Verify that querying is allowed, but making changes isn't.

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20210601145600.3131040-3-iii@linux.ibm.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-06-20 16:27:13 +02:00
Richard Henderson
e5b4654907 tests/tcg: Increase timeout for TCI
The longest test at the moment seems to be a (slower)
aarch64 host, for which test-mmap takes 64 seconds.

Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-19 11:09:04 -07:00
Richard Henderson
22f15579fa tcg: Build ffi data structures for helpers
Add libffi as a build requirement for TCI.
Add libffi to the dockerfiles to satisfy that requirement.

Construct an ffi_cif structure for each unique typemask.
Record the result in a separate hash table for later lookup;
this allows helper_table to stay const.

Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-19 08:51:11 -07:00
Paolo Bonzini
55159c34b8 tests: cover aio_co_enter from a worker thread without BQL taken
Add a testcase for the test fixed by commit 'async: the main AioContext
is only "current" if under the BQL.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210614110214.726722-1-pbonzini@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
2021-06-18 10:59:52 -05:00
Paolo Bonzini
5f50be9b58 async: the main AioContext is only "current" if under the BQL
If we want to wake up a coroutine from a worker thread, aio_co_wake()
currently does not work.  In that scenario, aio_co_wake() calls
aio_co_enter(), but there is no current AioContext and therefore
qemu_get_current_aio_context() returns the main thread.  aio_co_wake()
then attempts to call aio_context_acquire() instead of going through
aio_co_schedule().

The default case of qemu_get_current_aio_context() was added to cover
synchronous I/O started from the vCPU thread, but the main and vCPU
threads are quite different.  The main thread is an I/O thread itself,
only running a more complicated event loop; the vCPU thread instead
is essentially a worker thread that occasionally calls
qemu_mutex_lock_iothread().  It is only in those critical sections
that it acts as if it were the home thread of the main AioContext.

Therefore, this patch detaches qemu_get_current_aio_context() from
iothreads, which is a useless complication.  The AioContext pointer
is stored directly in the thread-local variable, including for the
main loop.  Worker threads (including vCPU threads) optionally behave
as temporary home threads if they have taken the big QEMU lock,
but if that is not the case they will always schedule coroutines
on remote threads via aio_co_schedule().

With this change, the stub qemu_mutex_iothread_locked() must be changed
from true to false.  The previous value of true was needed because the
main thread did not have an AioContext in the thread-local variable,
but now it does have one.

Reported-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210609122234.544153-1-pbonzini@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Tested-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
[eblake: tweak commit message per Vladimir's review]
Signed-off-by: Eric Blake <eblake@redhat.com>
2021-06-18 10:59:52 -05:00
Philippe Mathieu-Daudé
a2cd86a94a hw/audio/sb16: Avoid assertion by restricting I/O sampling rate range
While the SB16 seems to work up to 48000 Hz, the "Sound Blaster Series
Hardware Programming Guide" limit the sampling range from 4000 Hz to
44100 Hz (Section 3-9, 3-10: Digitized Sound I/O Programming, tables
3-2 and 3-3).

Later, section 6-15 (DSP Commands) is more specific regarding the 41h /
42h registers (Set digitized sound output sampling rate):

  Valid sampling rates range from 5000 to 45000 Hz inclusive.

There is no comment regarding error handling if the register is filled
with an out-of-range value.  (See also section 3-28 "8-bit or 16-bit
Auto-initialize Transfer"). Assume limits are enforced in hardware.

This fixes triggering an assertion in audio_calloc():

  #1 abort
  #2 audio_bug audio/audio.c:119:9
  #3 audio_calloc audio/audio.c:154:9
  #4 audio_pcm_sw_alloc_resources_out audio/audio_template.h:116:15
  #5 audio_pcm_sw_init_out audio/audio_template.h:175:11
  #6 audio_pcm_create_voice_pair_out audio/audio_template.h:410:9
  #7 AUD_open_out audio/audio_template.h:503:14
  #8 continue_dma8 hw/audio/sb16.c:216:20
  #9 dma_cmd8 hw/audio/sb16.c:276:5
  #10 command hw/audio/sb16.c:0
  #11 dsp_write hw/audio/sb16.c:949:13
  #12 portio_write softmmu/ioport.c:205:13
  #13 memory_region_write_accessor softmmu/memory.c:491:5
  #14 access_with_adjusted_size softmmu/memory.c:552:18
  #15 memory_region_dispatch_write softmmu/memory.c:0:13
  #16 flatview_write_continue softmmu/physmem.c:2759:23
  #17 flatview_write softmmu/physmem.c:2799:14
  #18 address_space_write softmmu/physmem.c:2891:18
  #19 cpu_outw softmmu/ioport.c:70:5

[*] http://www.baudline.com/solutions/full_duplex/sb16_pci/index.html

OSS-Fuzz Report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29174

Fixes: 85571bc741 ("audio merge (malc)")
Buglink: https://bugs.launchpad.net/bugs/1910603
Tested-by: Qiang Liu <cyruscyliu@gmail.com>
Reviewed-by: Qiang Liu <cyruscyliu@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210616104349.2398060-1-f4bug@amsat.org>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-06-17 11:55:23 +02:00
Richard Henderson
d3327a38cd target/arm: Fix mte page crossing test
The test was off-by-one, because tag_last points to the
last byte of the tag to check, thus tag_last - prev_page
will equal TARGET_PAGE_SIZE when we use the first byte
of the next page.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/403
Reported-by: Peter Collingbourne <pcc@google.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210612195707.840217-1-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-06-16 14:33:51 +01:00
Alex Bennée
7bb17a9263 tests/vm: expose --source-path to scripts to find extra files
Currently the centos8 image expects to run an in-src build to find the
kick starter file. Fix this.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210602103527.32021-1-alex.bennee@linaro.org>
2021-06-07 14:42:47 +01:00
Alex Bennée
e2ff831462 tests/acceptance: tag various arm tests as TCG only
We should never be trying to run most of these models under a KVM
environment.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Willian Rampazzo <willianr@redhat.com>
Message-Id: <20210527160319.19834-7-alex.bennee@linaro.org>
2021-06-07 14:42:47 +01:00
Alex Bennée
31fa83bd2b tests/tcg/configure.sh: tweak quoting of target_compiler
If you configure the host compiler with a multi-command stanza like:

  --cc="ccache gcc"

then the configure.sh machinery falls over with confusion. Work around
this by ensuring we correctly quote so where we need a complete
evaluation we get it. Of course the has() check needs single variable
so we need to unquote that. This does mean it essentially checks that
just the ccache command exits but if we got past that step we still
check the compiler actually does something.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Cc: Thomas Huth <thuth@redhat.com>
Message-Id: <20210527160319.19834-4-alex.bennee@linaro.org>
2021-06-07 14:42:47 +01:00
Alex Bennée
81c4edc39e tests/tcg: add a multiarch signals test to stress test signal delivery
This adds a simple signal test that combines the POSIX timer_create
with signal delivery across multiple threads. The aim is to provide a
bit more of a stress test to flush out signal handling issues for
easily than the occasional random crash we sometimes see in linux-test
or threadcount.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210527160319.19834-2-alex.bennee@linaro.org>
2021-06-07 14:42:42 +01:00
Kit Westneat
6b731a96aa tests/qtest/virtio-scsi-test: add unmap large LBA with 4k blocks test
Add test for issue #345

Signed-off-by: Kit Westneat <kit.westneat@gmail.com>
Message-Id: <20210603142022.676395-1-kit.westneat@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-06-04 13:47:08 +02:00
Alex Bennée
90d004524e tests/fp: Enable more tests
Fix the trivial typo in extF80_lt_quiet, and re-enable
all of the floatx80 tests that are now fixed.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-ID: <87bl9iyahr.fsf@linaro.org>
[rth: Squash the fix for lt_quiet, and enable that too.]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-03 14:09:03 -07:00
Richard Henderson
2fa3546c8f softfloat: Move floatN_log2 to softfloat-parts.c.inc
Rename to parts$N_log2.  Though this is partly a ruse, since I do not
believe the code will succeed for float128 without work.  Which is ok
for now, because we do not need this for more than float32 and float64.

Since berkeley-testfloat-3 doesn't support log2, compare float64_log2
vs the system log2.  Fix the errors for inputs near 1.0:

test: 3ff00000000000b0  +0x1.00000000000b0p+0
  sf: 3d2fa00000000000  +0x1.fa00000000000p-45
libm: 3d2fbd422b1bd36f  +0x1.fbd422b1bd36fp-45
Error in fraction: 32170028290927 ulp

test: 3feec24f6770b100  +0x1.ec24f6770b100p-1
  sf: bfad3740d13c9ec0  -0x1.d3740d13c9ec0p-5
libm: bfad3740d13c9e98  -0x1.d3740d13c9e98p-5
Error in fraction: 40 ulp

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-03 14:09:02 -07:00
Richard Henderson
7ccae4ce7e tests/fp/fp-test: Reverse order of floatx80 precision tests
Many qemu softfloat will check floatx80_rounding_precision
even when berkeley testfloat will not.  So begin with
floatx80_precision_x, so that's the one we use
when !FUNC_EFF_ROUNDINGPRECISION.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-03 14:09:02 -07:00
Richard Henderson
8da5f1dbb0 softfloat: Introduce Floatx80RoundPrec
Use an enumeration instead of raw 32/64/80 values.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-03 14:04:02 -07:00
Peter Maydell
1c86188589 tests/unit/test-vmstate: Assert that dup() and mkstemp() succeed
Coverity complains that we don't check for failures from dup()
and mkstemp(); add asserts that these syscalls succeeded.

Fixes: Coverity CID 1432516, 1432574
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20210525134458.6675-7-peter.maydell@linaro.org
2021-06-03 16:43:27 +01:00
Peter Maydell
d2304612b5 tests/qtest/tpm-tests: Remove unnecessary NULL checks
Coverity points out that in tpm_test_swtpm_migration_test() we
assume that src_tpm_addr and dst_tpm_addr are non-NULL (we
pass them to tpm_util_migration_start_qemu() which will
unconditionally dereference them) but then later explicitly
check them for NULL. Remove the pointless checks.

Fixes: Coverity CID 1432367, 1432359

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Message-id: 20210525134458.6675-6-peter.maydell@linaro.org
2021-06-03 16:43:27 +01:00
Peter Maydell
909e4a0826 tests/qtest/pflash-cfi02-test: Avoid potential integer overflow
Coverity points out that we calculate a 64-bit value using 32-bit
arithmetic; add the cast to force the multiply to be done as 64-bits.
(The overflow will never happen with the current test data.)

Fixes: Coverity CID 1432320
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Message-id: 20210525134458.6675-5-peter.maydell@linaro.org
2021-06-03 16:43:27 +01:00
Peter Maydell
2c398ee5e3 tests/qtest/hd-geo-test: Fix checks on mkstemp() return value
Coverity notices that the checks against mkstemp() failing in
create_qcow2_with_mbr() are wrong: mkstemp returns -1 on failure but
the check is just "g_assert(fd)".  Fix to use "g_assert(fd >= 0)",
matching the correct check in create_test_img().

Fixes: Coverity CID 1432274
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Message-id: 20210525134458.6675-4-peter.maydell@linaro.org
2021-06-03 16:43:27 +01:00
Peter Maydell
380822edb3 tests/qtest/e1000e-test: Check qemu_recv() succeeded
The e1000e_send_verify() test calls qemu_recv() but doesn't
check that the call succeeded, which annoys Coverity. Add
an explicit test check for the length of the data.

(This is a test check, not a "we assume this syscall always
succeeds", so we use g_assert_cmpint() rather than g_assert().)

Fixes: Coverity CID 1432324
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Message-id: 20210525134458.6675-3-peter.maydell@linaro.org
2021-06-03 16:43:27 +01:00
Peter Maydell
3c65e439b2 tests/qtest/bios-tables-test: Check for dup2() failure
Coverity notes that we don't check for dup2() failing.  Add some
assertions so that if it does ever happen we get some indication.
(This is similar to how we handle other "don't expect this syscall to
fail" checks in this test code.)

Fixes: Coverity CID 1432346
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Message-id: 20210525134458.6675-2-peter.maydell@linaro.org
2021-06-03 16:43:27 +01:00
Peter Maydell
8e6dad2028 Block layer patches
- NBD server: Fix crashes related to switching between AioContexts
 - file-posix: Workaround for discard/write_zeroes on buggy filesystems
 - Follow-up fixes for the reopen vs. permission changes
 - quorum: Fix error handling for flush
 - block-copy: Refactor copy_range handling
 - docs: Describe how to use 'null-co' block driver
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Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging

Block layer patches

- NBD server: Fix crashes related to switching between AioContexts
- file-posix: Workaround for discard/write_zeroes on buggy filesystems
- Follow-up fixes for the reopen vs. permission changes
- quorum: Fix error handling for flush
- block-copy: Refactor copy_range handling
- docs: Describe how to use 'null-co' block driver

# gpg: Signature made Wed 02 Jun 2021 14:44:15 BST
# gpg:                using RSA key DC3DEB159A9AF95D3D7456FE7F09B272C88F2FD6
# gpg:                issuer "kwolf@redhat.com"
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full]
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74  56FE 7F09 B272 C88F 2FD6

* remotes/kevin/tags/for-upstream:
  docs/secure-coding-practices: Describe how to use 'null-co' block driver
  block-copy: refactor copy_range handling
  block-copy: fix block_copy_task_entry() progress update
  nbd/server: Use drained block ops to quiesce the server
  block-backend: add drained_poll
  block: improve permission conflict error message
  block: simplify bdrv_child_user_desc()
  block/vvfat: inherit child_vvfat_qcow from child_of_bds
  block: improve bdrv_child_get_parent_desc()
  block-backend: improve blk_root_get_parent_desc()
  block: document child argument of bdrv_attach_child_common()
  block/file-posix: Try other fallbacks after invalid FALLOC_FL_ZERO_RANGE
  block/file-posix: Fix problem with fallocate(PUNCH_HOLE) on GPFS
  block: drop BlockBackendRootState::read_only
  block: drop BlockDriverState::read_only
  block: consistently use bdrv_is_read_only()
  block/vvfat: fix vvfat_child_perm crash
  block/vvfat: child_vvfat_qcow: add .get_parent_aio_context, fix crash
  qemu-io-cmds: assert that we don't have .perm requested in no-blk case
  block/quorum: Provide .bdrv_co_flush instead of .bdrv_co_flush_to_disk

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-06-02 19:34:03 +01:00
Peter Maydell
8c345b3e6a * Update the references to some doc files (use *.rst instead of *.txt)
* Bump minimum versions of some requirements after removing CentOS 7 support
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Merge remote-tracking branch 'remotes/thuth-gitlab/tags/pull-request-2021-06-02' into staging

* Update the references to some doc files (use *.rst instead of *.txt)
* Bump minimum versions of some requirements after removing CentOS 7 support

# gpg: Signature made Wed 02 Jun 2021 08:12:18 BST
# gpg:                using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg:                issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg:                 aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3  EAB9 2ED9 D774 FE70 2DB5

* remotes/thuth-gitlab/tags/pull-request-2021-06-02:
  configure: bump min required CLang to 6.0 / XCode 10.0
  configure: bump min required GCC to 7.5.0
  configure: bump min required glib version to 2.56
  tests/docker: drop CentOS 7 container
  tests/vm: convert centos VM recipe to CentOS 8
  crypto: drop used conditional check
  crypto: bump min gnutls to 3.5.18, dropping RHEL-7 support
  crypto: bump min gcrypt to 1.8.0, dropping RHEL-7 support
  crypto: drop back compatibility typedefs for nettle
  crypto: bump min nettle to 3.4, dropping RHEL-7 support
  patchew: move quick build job from CentOS 7 to CentOS 8 container
  block/ssh: Bump minimum libssh version to 0.8.7
  docs: fix references to docs/devel/s390-dasd-ipl.rst
  docs: fix references to docs/specs/tpm.rst
  docs: fix references to docs/devel/build-system.rst
  docs: fix references to docs/devel/atomics.rst
  docs: fix references to docs/devel/tracing.rst

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-06-02 17:08:11 +01:00
Vladimir Sementsov-Ogievskiy
30ebb9aa92 block: improve permission conflict error message
Now permissions are updated as follows:
 1. do graph modifications ignoring permissions
 2. do permission update

 (of course, we rollback [1] if [2] fails)

So, on stage [2] we can't say which users are "old" and which are
"new" and exist only since [1]. And current error message is a bit
outdated. Let's improve it, to make everything clean.

While being here, add also a comment and some good assertions.

iotests 283, 307, qsd-jobs outputs are updated.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20210601075218.79249-7-vsementsov@virtuozzo.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2021-06-02 14:23:20 +02:00
Vladimir Sementsov-Ogievskiy
2c0a3acb95 block: improve bdrv_child_get_parent_desc()
We have different types of parents: block nodes, block backends and
jobs. So, it makes sense to specify type together with name.

Next, this handler us used to compose an error message about permission
conflict. And permission conflict occurs in a specific place of block
graph. We shouldn't report name of parent device (as it refers another
place in block graph), but exactly and only the name of the node. So,
use bdrv_get_node_name() directly.

iotest 283 output is updated.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Message-Id: <20210601075218.79249-4-vsementsov@virtuozzo.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2021-06-02 14:23:20 +02:00
Vladimir Sementsov-Ogievskiy
fd240a184b block-backend: improve blk_root_get_parent_desc()
We have different types of parents: block nodes, block backends and
jobs. So, it makes sense to specify type together with name.

While being here also use g_autofree.

iotest 307 output is updated.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Message-Id: <20210601075218.79249-3-vsementsov@virtuozzo.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2021-06-02 14:23:20 +02:00
Vladimir Sementsov-Ogievskiy
975da07374 block: drop BlockDriverState::read_only
This variable is just a cache for !(bs->open_flags & BDRV_O_RDWR),
which we have to synchronize everywhere. Let's just drop it and
consistently use bdrv_is_read_only().

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20210527154056.70294-3-vsementsov@virtuozzo.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2021-06-02 14:23:20 +02:00
Daniel P. Berrangé
6f0748a048 tests/docker: drop CentOS 7 container
It has been over two years since RHEL-8 was released, and thus per the
platform build policy, we no longer need to support RHEL-7 as a build
target.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Acked-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20210514120415.1368922-10-berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2021-06-02 09:11:32 +02:00
Daniel P. Berrangé
fb1fa97c69 tests/vm: convert centos VM recipe to CentOS 8
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20210514120415.1368922-9-berrange@redhat.com>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2021-06-02 09:11:05 +02:00
Stefano Garzarella
551bdfa079 docs: fix references to docs/devel/build-system.rst
Commit a14f0bf165 ("docs: convert build system documentation to rST")
converted docs/devel/build-system.txt to docs/devel/build-system.rst.

We still have several references to the old file, so let's fix them
with the following command:

  sed -i s/build-system.txt/build-system.rst/ \
      $(git grep -l docs/devel/build-system.txt)

Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Message-Id: <20210517151702.109066-4-sgarzare@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2021-06-02 06:51:09 +02:00
John Snow
6b9c277797 gitlab: add python linters to CI
Add a Python container that has just enough juice for us to run the
Python code quality analysis tools. Base this container on Fedora,
because Fedora has very convenient packaging for testing multiple Python
versions.

We need python3, pip (for pulling packages), pipenv and virtualenv for
creating virtual environments, and tox for running tests. make is needed
for running 'make check-tox' and 'make venv-check' targets. Python3.10
is needed explicitly because the tox package only pulls in 3.6-3.9, but
we wish to test the forthcoming release of Python as well to help
predict any problems. Lastly, we need gcc to compile PyPI packages that
may not have a binary distribution available.

Add two tests:

check-python-pipenv uses pipenv to test a frozen, very explicit set of
packages against our minimum supported python version, Python 3.6. This
test is not allowed to fail. The dependencies this test uses do not
change unless python/Pipfile.lock is changed.

check-python-tox uses tox to install the latest versions of required
python dependencies against a wide array of Python versions from 3.6 to
3.9, even including the yet-to-be-released Python 3.10. This test is
allowed to fail with a warning.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Cleber Rosa <crosa@redhat.com>
Message-id: 20210527211715.394144-32-jsnow@redhat.com
[Fix rebase conflict over .gitlab-ci.yml --js]
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-01 16:21:21 -04:00
John Snow
beb6b57b3b python: create qemu packages
move python/qemu/*.py to python/qemu/[machine, qmp, utils]/*.py and
update import directives across the tree.

This is done to create a PEP420 namespace package, in which we may
create subpackages. To do this, the namespace directory ("qemu") should
not have any modules in it. Those files will go into new 'machine',
'qmp' and 'utils' subpackages instead.

Implement machine/__init__.py making the top-level classes and functions
from its various modules available directly inside the package. Change
qmp.py to qmp/__init__.py similarly, such that all of the useful QMP
library classes are available directly from "qemu.qmp" instead of
"qemu.qmp.qmp".

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Cleber Rosa <crosa@redhat.com>
Message-id: 20210527211715.394144-10-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-01 16:21:21 -04:00
John Snow
7f0a143b0c iotests/297: add --namespace-packages to mypy arguments
mypy is kind of weird about how it handles imports. For legacy reasons,
it won't load PEP 420 namespaces, because of logic implemented prior to
that becoming a standard.

So, if you plan on using any, you have to pass
--namespace-packages. Alright, fine.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Cleber Rosa <crosa@redhat.com>
Message-id: 20210527211715.394144-9-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-01 16:21:21 -04:00