Commit Graph

99073 Commits

Author SHA1 Message Date
Bryce Mills
dbccb1a5a1 gtk: Add show_menubar=on|off command line option.
The patch adds "show_menubar" command line option for GTK UI similar to
"show_tabs". This option allows to hide menu bar initially, it still can
be toggled by shortcut and other shortcuts still work.

Signed-off-by: Bryce Mills <brycemills@proton.me>
Acked-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <NWO_zx1CT5Aj9vAXsRlqBppXd63gcKwL9V1qM1Meh36M_9tCw-EsCnfpvONXhHjmtKIUoSuCy9OO6cHS7M8b0oHBOCZG6f1jZ4Q2tqgI2Qo=@proton.me>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2022-10-12 14:33:54 +02:00
Sebastian Mitterle
82a628f887 qemu-edid: Restrict input parameter -d to avoid division by zero
A zero value for dpi will lead to a division by zero in qemu_edid_dpi_to_mm().
Tested by runnig qemu-edid -dX, X = 0, 100.

Resolves: qemu-project/qemu#1249

Suggested-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Sebastian Mitterle <smitterl@redhat.com>
Message-Id: <20221011151216.64897-1-smitterl@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2022-10-12 13:38:15 +02:00
Thomas Huth
04c92d2654 tests/unit/test-image-locking: Fix handling of temporary files
test-image-locking leaves some temporary files around - clean
them up. While we're at it, test-image-locking is a unit test,
so it should not use "qtest.*" for temporary file names. Give
them better names instead, so that it clear where the temporary
files come from.

Message-Id: <20221012085932.799221-1-thuth@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-10-12 12:48:53 +02:00
Akihiko Odaki
8af5f82b90 ui/gtk: Fix the implicit mouse ungrabbing logic
Although the grab menu item represents the tabbed displays, the old
implicit mouse ungrabbing logic changes the grab menu item even for
an untabbed display.

Leave the grab menu item when implicitly ungrabbing mouse for an
untabbed display. The new ungrabbing logic introduced in
gd_mouse_mode_change() strictly follows the corresponding grabbing
logic found in gd_button_event().

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-Id: <20221008140116.11473-1-akihiko.odaki@daynix.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2022-10-12 12:46:34 +02:00
Gerd Hoffmann
0468fe82d3 pci-ids: document modern virtio-pci ids in pci.h too
While being at it add a #define for the magic 0x1040 number.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-Id: <20221004112100.301935-6-kraxel@redhat.com>
2022-10-12 12:01:11 +02:00
Gerd Hoffmann
55f01e76a3 pci-ids: drop list of modern virtio devices
Drop the list of modern virtio devices and explain how they
are calculated instead.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-Id: <20221004112100.301935-5-kraxel@redhat.com>
2022-10-12 12:01:11 +02:00
Gerd Hoffmann
cbd56573f7 pci-ids: drop PCI_DEVICE_ID_VIRTIO_PMEM
Not needed for a virtio 1.0 device.  virtio_pci_device_plugged()
overrides them anyway (so no functional change).

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Pankaj Gupta <pankaj.gupta@amd.com>
Tested-by: Pankaj Gupta <pankaj.gupta@amd.com>
Message-Id: <20221004112100.301935-4-kraxel@redhat.com>
2022-10-12 12:01:11 +02:00
Gerd Hoffmann
58de96e2eb pci-ids: drop PCI_DEVICE_ID_VIRTIO_MEM
Not needed for a virtio 1.0 device.  virtio_pci_device_plugged()
overrides them anyway (so no functional change).

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-Id: <20221004112100.301935-3-kraxel@redhat.com>
2022-10-12 12:01:11 +02:00
Gerd Hoffmann
c82190fa1b pci-ids: drop PCI_DEVICE_ID_VIRTIO_IOMMU
Not needed for a virtio 1.0 device.  virtio_pci_device_plugged()
overrides them anyway (so no functional change).

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Message-Id: <20221004112100.301935-2-kraxel@redhat.com>
2022-10-12 12:01:11 +02:00
Gerd Hoffmann
23b45173fa docs: add firmware feature flags
Add new firmware feature flags for the recently added confidential
computing operating modes by amd and intel.

While being at it also fix the path to the amd sev documentation.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Kashyap Chamarthy <kchamart@redhat.com>
Message-Id: <20220930133220.1771336-1-kraxel@redhat.com>
2022-10-12 11:02:44 +02:00
lu zhipeng
2fba4e9c49 cirrus_vga: fix potential memory overflow
Signed-off-by: lu zhipeng <luzhipeng@cestc.cn>
Message-Id: <20220929122352.1891-1-luzhipeng@cestc.cn>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2022-10-12 11:00:55 +02:00
Bin Meng
969d1f6e13 tests/qtest: libqtest: Install signal handler via signal()
At present the codes uses sigaction() to install signal handler with
a flag SA_RESETHAND. Such usage can be covered by the signal() API
that is a simplified interface to the general sigaction() facility.

Update to use signal() to install the signal handler, as it is
available on Windows which we are going to support.

Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20221006151927.2079583-11-bmeng.cn@gmail.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-10-12 08:45:05 +02:00
Bin Meng
e5553c1b8d tests/qtest: migration-test: Avoid using hardcoded /tmp
This case was written to use hardcoded /tmp directory for temporary
files. Update to use g_dir_make_tmp() for a portable implementation.

Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20221006151927.2079583-5-bmeng.cn@gmail.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-10-12 08:43:40 +02:00
Marc-André Lureau
f57559891d qtest: start a VNC test
This is some of the simplest test we could perform, it simply connects
to the VNC server via passed-in socket FDs and checks the connection can
be established.

Another series will make this test work on Windows as well.

As always, more tests can be added later! :)

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20221006130513.2683873-1-marcandre.lureau@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-10-12 08:43:40 +02:00
Stefan Hajnoczi
ab44ea1059 testing:
- revert patch to stop always building pc-bios roms
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Merge tag 'pull-testing-gdbstub-plugins-gitdm-111022-1' of https://github.com/stsquad/qemu into staging

testing:

  - revert patch to stop always building pc-bios roms

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# gpg: Signature made Tue 11 Oct 2022 15:28:06 EDT
# gpg:                using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [unknown]
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* tag 'pull-testing-gdbstub-plugins-gitdm-111022-1' of https://github.com/stsquad/qemu:
  Revert "configure: build ROMs with container-based cross compilers"

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-10-11 15:31:27 -04:00
Alex Bennée
fde10960ed Revert "configure: build ROMs with container-based cross compilers"
This reverts commit 730fe750fb.

Unconditionally building all the bios for all arches was a little too
far too fast.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Tested-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20221011113417.794841-4-alex.bennee@linaro.org>
2022-10-11 20:26:25 +01:00
Peter Maydell
0793fe014c tests/avocado: Add missing require_netdev('user') checks
Some avocado tests fail if QEMU was built without libslirp. Add
require_netdev('user') checks where necessary:

These tests try to ping 10.0.2.2 and expect it to succeed:
  boot_linux_console.py:BootLinuxConsole.test_arm_emcraft_sf2
  boot_linux_console.py:BootLinuxConsole.test_arm_orangepi_sd
  ppc_bamboo.py:BambooMachine.test_ppc_bamboo

These tests run a commandline that includes '-net user':
  machine_aspeed.py:AST2x00Machine.test_arm_ast2500_evb_builroot
  (and others that use the do_test_arm_aspeed_buidroot_start()
  or do_test_arm_aspeed_sdk_start() helper functions)

These changes seem to be sufficient for 'make check-avocado'
to not fail on a --disable-slirp build.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20221001195224.2453581-1-peter.maydell@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-10-11 17:25:50 +02:00
Dongwon Kim
604a86895f ui/gtk-egl: egl context needs to be unbound in the end of gd_egl_switch
A thread often fails to bind an egl context to itself after guest VM is
rebooted because the context is still owned by another thread. It is not
very clear what condition makes this happen but this can be prevented
by unbinding the context from the thread in the end of gd_egl_switch.

Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Dongwon Kim <dongwon.kim@intel.com>
Message-Id: <20220928215805.4661-1-dongwon.kim@intel.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2022-10-11 15:38:08 +02:00
Stefan Hajnoczi
42e1e350bf dump patches
Hi
 
 Includes:
 - the first patches from "[PATCH v5 00/18] dump: Add arch section and s390x PV dump"
 - "[PATCH v2 0/2] Fix dumping in kdump format with non-aligned memory"
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Merge tag 'dump-pull-request' of https://gitlab.com/marcandre.lureau/qemu into staging

dump patches

Hi

Includes:
- the first patches from "[PATCH v5 00/18] dump: Add arch section and s390x PV dump"
- "[PATCH v2 0/2] Fix dumping in kdump format with non-aligned memory"

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# gpg: Signature made Thu 06 Oct 2022 11:33:30 EDT
# gpg:                using RSA key 87A9BD933F87C606D276F62DDAE8E10975969CE5
# gpg:                issuer "marcandre.lureau@redhat.com"
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" [full]
# gpg:                 aka "Marc-André Lureau <marcandre.lureau@gmail.com>" [full]
# Primary key fingerprint: 87A9 BD93 3F87 C606 D276  F62D DAE8 E109 7596 9CE5

* tag 'dump-pull-request' of https://gitlab.com/marcandre.lureau/qemu:
  dump: fix kdump to work over non-aligned blocks
  dump: simplify a bit kdump get_next_page()
  dump: Rename write_elf*_phdr_note to prepare_elf*_phdr_note
  dump: Split elf header functions into prepare and write
  dump: Rework dump_calculate_size function
  dump: Rework filter area variables
  dump: Rework get_start_block
  dump: Refactor dump_iterate and introduce dump_filter_memblock_*()
  dump: Rename write_elf_loads to write_elf_phdr_loads
  dump: Replace opaque DumpState pointer with a typed one

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-10-11 09:31:19 -04:00
Mauro Matteo Cascella
d307040b18 ui/vnc-clipboard: fix integer underflow in vnc_client_cut_text_ext
Extended ClientCutText messages start with a 4-byte header. If len < 4,
an integer underflow occurs in vnc_client_cut_text_ext. The result is
used to decompress data in a while loop in inflate_buffer, leading to
CPU consumption and denial of service. Prevent this by checking dlen in
protocol_client_msg.

Fixes: CVE-2022-3165
Fixes: 0bf41cab93 ("ui/vnc: clipboard support")
Reported-by: TangPeng <tangpeng@qianxin.com>
Signed-off-by: Mauro Matteo Cascella <mcascell@redhat.com>
Message-Id: <20220925204511.1103214-1-mcascell@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2022-10-11 15:30:27 +02:00
Michael Labiuk
46d11f9d77 tests/x86: Add 'q35' machine type to ivshmem-test
Configure pci bridge setting to test ivshmem on 'q35'.

Signed-off-by: Michael Labiuk <michael.labiuk@virtuozzo.com>
Message-Id: <20220929223547.1429580-10-michael.labiuk@virtuozzo.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-10-11 14:06:55 +02:00
Michael Labiuk
eb4440ef3a tests/x86: Add 'q35' machine type to drive_del-test
Configure pci bridge setting to run tests on 'q35' machine type.

Signed-off-by: Michael Labiuk <michael.labiuk@virtuozzo.com>
Message-Id: <20220929223547.1429580-9-michael.labiuk@virtuozzo.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-10-11 14:06:55 +02:00
Michael Labiuk
5356d752ed tests/x86: replace snprint() by g_strdup_printf() in drive_del-test
Using g_autofree char* and  g_strdup_printf(...) instead of ugly
snprintf on stack array.

Signed-off-by: Michael Labiuk <michael.labiuk@virtuozzo.com>
Message-Id: <20220929223547.1429580-8-michael.labiuk@virtuozzo.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-10-11 14:06:55 +02:00
Michael Labiuk
cb06b3d924 tests/x86: Fix comment typo in drive_del-test
Signed-off-by: Michael Labiuk <michael.labiuk@virtuozzo.com>
Message-Id: <20220929223547.1429580-7-michael.labiuk@virtuozzo.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-10-11 14:06:55 +02:00
Michael Labiuk
a30433dd4f tests/x86: Add 'q35' machine type to hotplug hd-geo-test
Add pci bridge setting to test hotplug.
Duplicate tests for plugging scsi and virtio devices for q35 machine type.

Signed-off-by: Michael Labiuk <michael.labiuk@virtuozzo.com>
Message-Id: <20220929223547.1429580-6-michael.labiuk@virtuozzo.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-10-11 14:06:55 +02:00
Michael Labiuk
c46b126088 tests/x86: Add 'q35' machine type to override-tests in hd-geo-test
Signed-off-by: Michael Labiuk <michael.labiuk@virtuozzo.com>
Message-Id: <20220929223547.1429580-5-michael.labiuk@virtuozzo.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-10-11 14:06:55 +02:00
Michael Labiuk
19bc7e3e16 tests/x86: Refactor hot unplug hd-geo-test
Moving common code to function.

Signed-off-by: Michael Labiuk <michael.labiuk@virtuozzo.com>
Message-Id: <20220929223547.1429580-4-michael.labiuk@virtuozzo.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-10-11 14:06:54 +02:00
Michael Labiuk
a12f1a7e56 tests/x86: Add subtest with 'q35' machine type to device-plug-test
Configure pci bridge setting to plug pci device and unplug.

Signed-off-by: Michael Labiuk <michael.labiuk@virtuozzo.com>
Message-Id: <20220929223547.1429580-3-michael.labiuk@virtuozzo.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-10-11 14:06:52 +02:00
Michael Labiuk
ea42a6c405 tests/x86: add helper qtest_qmp_device_del_send()
Move sending 'device_del' command to separate function.
Function can be used in case of addition action is needed to start
actual removing device after sending command.

Signed-off-by: Michael Labiuk <michael.labiuk@virtuozzo.com>
Message-Id: <20220929223547.1429580-2-michael.labiuk@virtuozzo.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
[thuth: Fixed typo]
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-10-11 14:06:48 +02:00
dinglimin
770beadb98 tests/migration: remove the unused local variable
Remove the unused local variable "records".

Signed-off-by: dinglimin <dinglimin@cmss.chinamobile.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Message-Id: <20220928080555.2263-1-dinglimin@cmss.chinamobile.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-10-11 12:37:12 +02:00
Juan Quintela
f15cfe419e qtest: "-display none" is set in qtest_init()
So we don't need to set anywhere else.

Signed-off-by: Juan Quintela <quintela@redhat.com>
[thuth: Drop changes in tests/qtest/fuzz/ since the fuzzers still need this]
Message-Id: <20220902165126.1482-2-quintela@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-10-11 12:36:15 +02:00
Paolo Bonzini
5d2456789a linux-user: i386/signal: support XSAVE/XRSTOR for signal frame fpstate
Add support for saving/restoring extended save states when signals
are delivered.  This allows using AVX, MPX or PKRU registers in
signal handlers.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-10-11 10:27:35 +02:00
Volker Rümelin
b6d93282cc audio: prevent an integer overflow in resampling code
There are corner cases where rate->opos can overflow. For
example, if QEMU is started with -audiodev pa,id=audio0,
out.frequency=11025 -device ich9-intel-hda -device hda-duplex,
audiodev=audio0 and the guest plays audio with a sampling
frequency of 44100Hz, rate->opos will overflow after 27.05h
and the audio stream will be silent for a long time.

To prevent a rate->opos and also a rate->ipos overflow, both
are wrapped around after a short time. The wrap around point
rate->ipos >= 0x10001 is an arbitrarily selected value and can
be any small value, 0 and 1 included.

The comment that an ipos overflow will result in an infinite
loop has been removed, because in this case the resampling code
only generates no more output samples and the audio stream stalls.
However, there is no infinite loop.

Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Message-Id: <20220923183640.8314-12-vr_qemu@t-online.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2022-10-11 10:17:08 +02:00
Volker Rümelin
b73ef11ff6 audio: fix sw->buf size for audio recording
The calculation of the buffer size needed to store audio samples
after resampling is wrong for audio recording. For audio recording
sw->ratio is calculated as

sw->ratio = frontend sample rate / backend sample rate.

From this follows

frontend samples = frontend sample rate / backend sample rate
 * backend samples
frontend samples = sw->ratio * backend samples

In 2 of 3 places in the audio recording code where sw->ratio
is used in a calculation to get the number of frontend frames,
the calculation is wrong. Fix this. The 3rd formula in
audio_pcm_sw_read() is correct.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/71
Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Acked-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20220923183640.8314-11-vr_qemu@t-online.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2022-10-11 10:17:08 +02:00
Volker Rümelin
0724c57988 audio: refactor audio_get_avail()
Split out the code in audio_get_avail() that calculates the
buffer size that the audio frontend can read. This is similar
to the code changes in audio_get_free().

Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20220923183640.8314-10-vr_qemu@t-online.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2022-10-11 10:17:08 +02:00
Volker Rümelin
c4e592647e audio: rename audio_sw_bytes_free()
Rename and refactor audio_sw_bytes_free(). This function is not
limited to calculate the free audio buffer size. The renamed
function returns the number of frames instead of bytes.

Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20220923183640.8314-9-vr_qemu@t-online.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2022-10-11 10:17:08 +02:00
Volker Rümelin
613fe02b2a audio: swap audio_rate_get_bytes() function parameters
Swap the rate and info parameters of the audio_rate_get_bytes()
function to align the parameter order with the rest of the
audio_rate_*() functions.

Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20220923183640.8314-8-vr_qemu@t-online.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2022-10-11 10:17:08 +02:00
Volker Rümelin
70ded68b45 spiceaudio: update comment
Replace a comment with a question with the answer.

Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20220923183640.8314-7-vr_qemu@t-online.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2022-10-11 10:17:08 +02:00
Volker Rümelin
90320051ea spiceaudio: add a pcm_ops buffer_get_free function
It seems there is a demand [1] for low latency playback over
SPICE. Add a pcm_ops buffer_get_free function to reduce the
playback latency. The mixing engine buffer becomes a temporary
buffer.

[1] https://lists.nongnu.org/archive/html/qemu-devel/2022-01/msg01644.html

Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20220923183640.8314-6-vr_qemu@t-online.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2022-10-11 10:17:08 +02:00
Volker Rümelin
02732641c0 audio: add more audio rate control functions
The next patch needs two new rate control functions. The first
one returns the bytes needed at call time to maintain the
selected rate. The second one adjusts the bytes actually sent.

Split the audio_rate_get_bytes() function into these two
functions and reintroduce audio_rate_get_bytes().

Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20220923183640.8314-5-vr_qemu@t-online.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2022-10-11 10:17:08 +02:00
Volker Rümelin
5a9d7ae251 alsaaudio: reduce playback latency
Change the buffer_get_free pcm_ops function to report the free
ALSA playback buffer. The generic buffer becomes a temporary
buffer and is empty after a call to audio_run_out().

Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Acked-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20220923183640.8314-4-vr_qemu@t-online.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2022-10-11 10:17:08 +02:00
Volker Rümelin
dd052dbfbf audio: run downstream playback queue unconditionally
Run the downstream playback queue even if the emulated audio
device didn't write new samples. There still may be buffered
audio samples downstream.

This is for the -audiodev out.mixing-engine=off case. Commit
a8a98cfd42 ("audio: run downstream playback queue uncondition-
ally") fixed the out.mixing-engine=on case.

Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Acked-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20220923183640.8314-3-vr_qemu@t-online.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2022-10-11 10:17:08 +02:00
Volker Rümelin
7099a6a220 audio: fix GUS audio playback with out.mixing-engine=off
Fix GUS audio playback with out.mixing-engine=off.

The GUS audio device needs to know the amount of samples to
produce in advance.

To reproduce start qemu with
-parallel none -device gus,audiodev=audio0
-audiodev pa,id=audio0,out.mixing-engine=off

and start the cartoon.exe demo in a FreeDOS guest. The demo file
is available on the download page of the GUSemu32 author.

Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Acked-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20220923183640.8314-2-vr_qemu@t-online.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2022-10-11 10:17:08 +02:00
Volker Rümelin
4d31ff32a6 audio: refactor code in audio_run_out()
Refactoring the code in audio_run_out() avoids code duplication
in the next patch. There's no functional change.

Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20220923183640.8314-1-vr_qemu@t-online.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2022-10-11 10:17:08 +02:00
Paolo Bonzini
2796f290b5 linux-user: i386/signal: support FXSAVE fpstate on 32-bit emulation
Linux can use FXSAVE to save/restore XMM registers even on 32-bit
systems.  This requires some care in order to keep the FXSAVE area
aligned to 16 bytes; for this reason, get_sigframe is changed to
pass the offset into the FXSAVE area rather than the full frame
size.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-10-11 09:36:01 +02:00
Paolo Bonzini
5154d35bed linux-user: i386/signal: move fpstate at the end of the 32-bit frames
Recent versions of Linux moved the 32-bit fpstate towards the end of the
frame, so that the variable-sized xsave data does not overwrite the
(ABI-defined) extramask[] field.  Follow suit in QEMU.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-10-11 09:36:01 +02:00
Alexander Graf
37656470f6 KVM: x86: Implement MSR_CORE_THREAD_COUNT MSR
The MSR_CORE_THREAD_COUNT MSR describes CPU package topology, such as number
of threads and cores for a given package. This is information that QEMU has
readily available and can provide through the new user space MSR deflection
interface.

This patch propagates the existing hvf logic from patch 027ac0cb51
("target/i386/hvf: add rdmsr 35H MSR_CORE_THREAD_COUNT") to KVM.

Signed-off-by: Alexander Graf <agraf@csgraf.de>
Message-Id: <20221004225643.65036-4-agraf@csgraf.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-10-11 09:36:01 +02:00
Alexander Graf
860054d8ce i386: kvm: Add support for MSR filtering
KVM has grown support to deflect arbitrary MSRs to user space since
Linux 5.10. For now we don't expect to make a lot of use of this
feature, so let's expose it the easiest way possible: With up to 16
individually maskable MSRs.

This patch adds a kvm_filter_msr() function that other code can call
to install a hook on KVM MSR reads or writes.

Signed-off-by: Alexander Graf <agraf@csgraf.de>
Message-Id: <20221004225643.65036-3-agraf@csgraf.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-10-11 09:36:01 +02:00
Alexander Graf
62a44fddb2 x86: Implement MSR_CORE_THREAD_COUNT MSR
Intel CPUs starting with Haswell-E implement a new MSR called
MSR_CORE_THREAD_COUNT which exposes the number of threads and cores
inside of a package.

This MSR is used by XNU to populate internal data structures and not
implementing it prevents virtual machines with more than 1 vCPU from
booting if the emulated CPU generation is at least Haswell-E.

This patch propagates the existing hvf logic from patch 027ac0cb51
("target/i386/hvf: add rdmsr 35H MSR_CORE_THREAD_COUNT") to TCG.

Signed-off-by: Alexander Graf <agraf@csgraf.de>
Message-Id: <20221004225643.65036-2-agraf@csgraf.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-10-11 09:36:01 +02:00
Richard Henderson
e3a79e0e87 target/i386: Enable TARGET_TB_PCREL
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20221001140935.465607-27-richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-10-11 09:36:01 +02:00