Commit Graph

97804 Commits

Author SHA1 Message Date
Bin Meng d409373b9d util/qemu-sockets: Enable unix socket support on Windows
Support for the unix socket has existed both in BSD and Linux for the
longest time, but not on Windows. Since Windows 10 build 17063 [1],
the native support for the unix socket has come to Windows. Starting
this build, two Win32 processes can use the AF_UNIX address family
over Winsock API to communicate with each other.

[1] https://devblogs.microsoft.com/commandline/af_unix-comes-to-windows/

Signed-off-by: Xuzhou Cheng <xuzhou.cheng@windriver.com>
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20220802075200.907360-3-bmeng.cn@gmail.com>
2022-09-02 15:54:46 +04:00
Richard Henderson 93fac696d2 Open 7.2 development tree
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-08-30 09:40:41 -07:00
Richard Henderson 621da77890 Update version for v7.1.0 release
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-08-30 09:40:11 -07:00
Richard Henderson 9a99f964b1 Update version for v7.1.0-rc4 release
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-08-24 19:27:56 -07:00
Richard Henderson 1f6a638cee Testing and doc updates:
- move default timeout to QemuBaseTests
   - optimise migration tests to run faster
   - removed duplicate migration test
   - add some clarifying language to block options in manual
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Merge tag 'pull-for-7.1-fixes-240822-3' of https://github.com/stsquad/qemu into staging

Testing and doc updates:

  - move default timeout to QemuBaseTests
  - optimise migration tests to run faster
  - removed duplicate migration test
  - add some clarifying language to block options in manual

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# gpg: Signature made Wed 24 Aug 2022 02:17:55 AM PDT
# gpg:                using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [undefined]
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* tag 'pull-for-7.1-fixes-240822-3' of https://github.com/stsquad/qemu:
  qemu-options: try and clarify preferred block semantics
  tests/qtest/migration-test: Remove duplicated test_postcopy from the test plan
  tests/migration/i386: Speed up the i386 migration test (when using TCG)
  tests/migration/aarch64: Speed up the aarch64 migration test
  tests/qtest/migration-test: Only wait for serial output where migration succeeds
  tests/avocado: push default timeout to QemuBaseTest

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-08-24 08:04:26 -07:00
Alex Bennée 5af2b0f6ea qemu-options: try and clarify preferred block semantics
Try to correct any confusion about QEMU's Byzantine disk options by
laying out the preferred "modern" options as-per:

 "<danpb> (best:  -device + -blockdev,  2nd obsolete syntax: -device +
     -drive,  3rd obsolete syntax: -drive, 4th obsolete syntax: -hdNN)"

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Acked-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Cc: qemu-block@nongnu.org
Cc: Kevin Wolf <kwolf@redhat.com>
Cc: Hanna Reitz <hreitz@redhat.com>
Cc: Thomas Huth <thuth@redhat.com>
Message-Id: <20220822165608.2980552-7-alex.bennee@linaro.org>
2022-08-24 10:14:49 +01:00
Thomas Huth 00269477c2 tests/qtest/migration-test: Remove duplicated test_postcopy from the test plan
test_postcopy() is currently run twice - which is just a waste of resources
and time. The commit d1a27b169b that introduced the duplicate talked about
renaming the "postcopy/unix" test, but apparently it forgot to remove the
old entry. Let's do that now.

Fixes: d1a27b169b ("tests: Add postcopy tls migration test")
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20220819053802.296584-5-thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20220822165608.2980552-6-alex.bennee@linaro.org>
2022-08-24 10:14:49 +01:00
Thomas Huth 41adc59640 tests/migration/i386: Speed up the i386 migration test (when using TCG)
When KVM is not available, the i386 migration test also runs in a rather
slow fashion, since the guest code takes a couple of seconds to print
the "B"s on the serial console, and the migration test has to wait for
this each time. Let's increase the frequency here, too, so that the
delays in the migration tests get smaller.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20220819053802.296584-4-thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20220822165608.2980552-5-alex.bennee@linaro.org>
2022-08-24 10:14:49 +01:00
Thomas Huth c398c76187 tests/migration/aarch64: Speed up the aarch64 migration test
The migration tests spend a lot of time waiting for a sign of live
of the guest on the serial console. The aarch64 migration code only
outputs "B"s every couple of seconds (at least it takes more than 4
seconds between each characeter on my x86 laptop). There are a lot
of migration tests, and if each test that checks for a successful
migration waits for these characters before and after migration, the
wait time sums up to multiple minutes! Let's use a shorter delay to
speed things up.

While we're at it, also remove a superfluous masking with 0xff - we're
reading and storing bytes, so the upper bits of the register do not
matter anyway.

With these changes, the test runs twice as fast on my laptop, decreasing
the total run time from approx. 8 minutes to only 4 minutes!

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20220819053802.296584-3-thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20220822165608.2980552-4-alex.bennee@linaro.org>
2022-08-24 10:14:49 +01:00
Thomas Huth e25636a12a tests/qtest/migration-test: Only wait for serial output where migration succeeds
Waiting for the serial output can take a couple of seconds - and since
we're doing a lot of migration tests, this time easily sums up to
multiple minutes. But if a test is supposed to fail, it does not make
much sense to wait for the source to be in the right state first, so
we can skip the waiting here. This way we can speed up all tests where
the migration is supposed to fail. In the gitlab-CI gprov-gcov test,
each of the migration-tests now run two minutes faster!

Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20220819053802.296584-2-thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20220822165608.2980552-3-alex.bennee@linaro.org>
2022-08-24 10:14:49 +01:00
Alex Bennée 48acf68cfe tests/avocado: push default timeout to QemuBaseTest
All of the QEMU tests eventually end up derrived from this class. Move
the default timeout from LinuxTest to ensure we catch them all. We
keep the 15 minute timeout as currently some of the more heavyweight
CFI and TCG tests can overrun. We should aim to drop it down to 2
minutes which is a more reasonable target for tests to aim for but we
want to get this release out.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
[AJB: revert to 15 min timeout for v2]
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220822165608.2980552-2-alex.bennee@linaro.org>
2022-08-24 10:14:42 +01:00
Richard Henderson a8cc5842b5 Block layer patches
- scsi-generic: Fix I/O errors due to wrong block limits
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Merge tag 'for-upstream' of git://repo.or.cz/qemu/kevin into staging

Block layer patches

- scsi-generic: Fix I/O errors due to wrong block limits

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# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full]

* tag 'for-upstream' of git://repo.or.cz/qemu/kevin:
  scsi-generic: Fix emulated block limits VPD page

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-08-23 10:37:21 -07:00
Kevin Wolf 51e15194b0 scsi-generic: Fix emulated block limits VPD page
Commits 01ef8185b8 amd 24b36e9813 updated the way that the maximum
transfer length is calculated for patching block limits VPD page in an
INQUIRY response.

The same updates also need to be made for the case where the host device
does not support the block limits VPD page at all and we emulate the
whole page.

Without this fix, on host block devices a maximum transfer length of
(INT_MAX - sector_size) bytes is advertised to the guest, resulting in
I/O errors when a request that exceeds the host limits is made by the
guest. (Prior to commit 24b36e9813, this code path would use the
max_transfer value from the host instead of INT_MAX, but still miss the
fix from 01ef8185b8 where max_transfer is also capped to max_iov
host pages, so it would be less wrong, but still wrong.)

Cc: qemu-stable@nongnu.org
Buglink: https://bugzilla.redhat.com/show_bug.cgi?id=2096251
Fixes: 01ef8185b8
Fixes: 24b36e9813
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20220822125320.48257-1-kwolf@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2022-08-23 16:01:13 +02:00
Richard Henderson ba58ccbef6 target/hppa: Fix proberi instruction emulation for linux-user
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Merge tag 'for-7.1-hppa' of https://github.com/hdeller/qemu-hppa into staging

target/hppa: Fix proberi instruction emulation for linux-user

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# gpg: Good signature from "Helge Deller <deller@gmx.de>" [unknown]
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* tag 'for-7.1-hppa' of https://github.com/hdeller/qemu-hppa:
  target/hppa: Fix proberi instruction emulation for linux-user

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-08-19 09:35:29 -07:00
Richard Henderson a78241a62b Fix SIGSEGV with query-stats-schema.
This allows management tools to query the statistics schemas without
 worrying that some versions of QEMU will crash.
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

Fix SIGSEGV with query-stats-schema.

This allows management tools to query the statistics schemas without
worrying that some versions of QEMU will crash.

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* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
  kvm: fix segfault with query-stats-schemas and -M none

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-08-19 07:42:37 -07:00
Helge Deller 6fab0c182d target/hppa: Fix proberi instruction emulation for linux-user
The proberi assembler instruction checks the read/write access rights
for the page of a given address and shall return a value of 1 if the
test succeeds and a value of 0 on failure in the target register.

But when run in linux-user mode, qemu currently simply returns the
return code of page_check_range() which returns 0 on success and -1 on
failure, which is the opposite of what proberi should return.

Fix it by checking the return code of page_check_range() and return the
expected return value.

The easiest way to reproduce the issue is by running
"/lib/ld.so.1 --version" in a chroot which fails without this patch.
At startup of ld.so the __canonicalize_funcptr_for_compare() function is
used to resolve the function address out of a function descriptor, which
fails because proberi (due to the wrong return code) seems to indicate
that the given address isn't accessible.

Signed-off-by: Helge Deller <deller@gmx.de>
2022-08-19 15:59:14 +02:00
Richard Henderson 976a55c0fe Revert "linux-user: un-parent OBJECT(cpu) when closing thread"
This reverts commit 52f0c16076.

This caused a regression in arm/aarch64.

We are hard-coding ARMCPRegInfo pointers into TranslationBlocks,
for calling into helper_{get,set}cp_reg{,64}.  So we have a race
condition between whichever cpu thread translates the code first
(encoding the pointer), and that cpu thread exiting, so that the
next execution of the TB references a freed data structure.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-08-18 18:08:57 -07:00
Richard Henderson 4d65d4ba57 Some fixes pending on the ML:
* console regression fix
 * dbus-vmstate error handling fix
 * a build-sys fix
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Merge tag 'fixes-pull-request' of gitlab.com:marcandre.lureau/qemu into staging

Some fixes pending on the ML:
* console regression fix
* dbus-vmstate error handling fix
* a build-sys fix

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# gpg: Signature made Wed 17 Aug 2022 11:55:28 PM PDT
# 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]

* tag 'fixes-pull-request' of gitlab.com:marcandre.lureau/qemu:
  ui/console: fix qemu_console_resize() regression
  build-sys: disable vhost-user-gpu if !opengl
  dbus-vmstate: Restrict error checks to registered proxies in dbus_get_proxies

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-08-18 08:35:53 -07:00
Paolo Bonzini a9197ad210 kvm: fix segfault with query-stats-schemas and -M none
-M none creates a guest without a vCPU, causing the following error:

$ ./qemu-system-x86_64 -qmp stdio -M none -accel kvm
{execute:qmp_capabilities}
{"return": {}}
{execute: query-stats-schemas}
Segmentation fault (core dumped)

Fix it by not querying the vCPU stats if first_cpu is NULL.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-08-18 14:08:24 +02:00
Richard Henderson a89a946f01 pc,virtio: fixes
Several bugfixes, they all look very safe to me. Revert
 seed support since we aren't any closer to a proper fix.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_upstream' of git://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging

pc,virtio: fixes

Several bugfixes, they all look very safe to me. Revert
seed support since we aren't any closer to a proper fix.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

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# gpg: Signature made Wed 17 Aug 2022 10:08:20 AM PDT
# gpg:                using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg:                issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [undefined]
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17  0970 C350 3912 AFBE 8E67
#      Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA  8A0D 281F 0DB8 D28D 5469

* tag 'for_upstream' of git://git.kernel.org/pub/scm/virt/kvm/mst/qemu:
  virtio-pci: don't touch pci on virtio reset
  tests: acpi: silence applesmc warning about invalid key
  hw/cxl: Correctly handle variable sized mailbox input payloads.
  hw/cxl: Fix Get LSA input payload size which should be 8 bytes.
  hw/cxl: Add stub write function for RO MemoryRegionOps entries.
  hw/cxl: Fix wrong query of target ports
  hw/cxl: Fix memory leak in error paths
  x86: disable rng seeding via setup_data
  hw/virtio: fix vhost_user_read tracepoint
  hw/virtio: handle un-configured shutdown in virtio-pci
  hw/virtio: gracefully handle unset vhost_dev vdev
  virtio-scsi: fix race in virtio_scsi_dataplane_start()

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-08-18 00:18:50 -07:00
Marc-André Lureau 88738ea40b ui/console: fix qemu_console_resize() regression
The display may be corrupted when changing screen colour depth in
qemu-system-ppc/MacOS since 7.0.

Do not short-cut qemu_console_resize() if the surface is backed by vga
vram. When the scanout isn't set, or it is already allocated, or opengl,
and the size is fitting, we still avoid the reallocation & replace path.

Fixes: commit cb8962c1 ("ui: do not create a surface when resizing a GL scanout")

Reported-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20220725115815.2461322-1-marcandre.lureau@redhat.com>
2022-08-18 10:46:55 +04:00
Marc-André Lureau f0caba4475 build-sys: disable vhost-user-gpu if !opengl
vhost-user-gpu uses epoxy/glflush and thus requires opengl.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20220628132315.664026-1-marcandre.lureau@redhat.com>
2022-08-18 10:46:55 +04:00
Priyankar Jain 2748583211 dbus-vmstate: Restrict error checks to registered proxies in dbus_get_proxies
The purpose of dbus_get_proxies to construct the proxies corresponding to the
IDs registered to dbus-vmstate.

Currenty, this function returns an error in case there is any failure
while instantiating proxy for "all" the names on dbus.

Ideally this function should error out only if it is not able to find and
validate the proxies registered to the backend otherwise any offending
process(for eg: the process purposefully may not export its Id property on
the dbus) may connect to the dbus and can lead to migration failures.

This commit ensures that dbus_get_proxies returns an error if it is not
able to find and validate the proxies of interest(the IDs registered
during the dbus-vmstate instantiation).

Signed-off-by: Priyankar Jain <priyankar.jain@nutanix.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <1637936117-37977-1-git-send-email-priyankar.jain@nutanix.com>
2022-08-18 10:35:44 +04:00
Michael S. Tsirkin 9afb4177d6 virtio-pci: don't touch pci on virtio reset
virtio level reset should not affect pci express
registers such as PM, error or link.

Fixes: 27ce0f3afc ("hw/virtio: fix Power Management Control Register for PCI Express virtio devices")
Fixes: d584f1b9ca ("hw/virtio: fix Link Control Register for PCI Express virtio devices")
Fixes: c2cabb3422 ("hw/virtio: fix error enabling flags in Device Control register")
Cc: "Marcel Apfelbaum" <marcel@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2022-08-17 13:08:11 -04:00
Igor Mammedov 888fbaaf02 tests: acpi: silence applesmc warning about invalid key
OSK value is irrelevant for ACPI test case.
Supply fake OSK explicitly to prevent QEMU complaining about
invalid key when it fallbacks to default_osk.

Suggested-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20220728133713.1369596-1-imammedo@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2022-08-17 13:08:11 -04:00
Jonathan Cameron 4f41b4e445 hw/cxl: Correctly handle variable sized mailbox input payloads.
A placeholder of ~0 is used to indicate variable payload size.
Whilst the checks for output payload correctly took this into
account, those for input payload did not.

This results in failure of the Set LSA command.

Fixes: 464e14ac43 ("hw/cxl/device: Implement basic mailbox (8.2.8.4)")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20220817145759.32603-4-Jonathan.Cameron@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2022-08-17 13:08:11 -04:00
Jonathan Cameron 66a2356485 hw/cxl: Fix Get LSA input payload size which should be 8 bytes.
Get LSA needs 4 byte offset and 4 byte length arguments.
CXL rev 2.0 Table 178.

Fixes: 3ebe676a34 ("hw/cxl/device: Implement get/set Label Storage Area (LSA)")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20220817145759.32603-3-Jonathan.Cameron@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2022-08-17 13:08:11 -04:00
Jonathan Cameron 29d1fbc6c6 hw/cxl: Add stub write function for RO MemoryRegionOps entries.
There is no checking on the availability of a write callback.
Hence QEMU crashes if a write does occur to one of these regions.

Discovered whilst chasing a Linux kernel bug that incorrectly
wrote into one of these regions.

Fixes: 6364adacdf ("hw/cxl/device: Implement the CAP array (8.2.8.1-2)")
Reported-by: Bobo WL <lmw.bobo@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20220817145759.32603-2-Jonathan.Cameron@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2022-08-17 13:08:11 -04:00
Jonathan Cameron d2289b524e hw/cxl: Fix wrong query of target ports
Two issues were present in this code:
1) Check on which register to look in was inverted.
2) Both branches use the _LO register.

Whilst here moved to extract32() rather than hand rolling
the field extraction as simpler and hopefully less error prone.

Fixes Coverity CID: 1488873

Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20220808122051.14822-3-Jonathan.Cameron@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2022-08-17 13:08:11 -04:00
Jonathan Cameron a99fbb003b hw/cxl: Fix memory leak in error paths
Use g_autofree to free the CXLFixedWindow structure if an
error occurs in configuration before we have added to
the list (via g_steal_pointer())

Fix Coverity CID: 1488872

Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20220808122051.14822-2-Jonathan.Cameron@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2022-08-17 13:08:11 -04:00
Gerd Hoffmann 3824e25db1 x86: disable rng seeding via setup_data
Causes regressions when doing direct kernel boots with OVMF.

At this point in the release cycle the only sensible action
is to just disable this for 7.1 and sort it properly in the
7.2 devel cycle.

Cc: Jason A. Donenfeld <Jason@zx2c4.com>
Cc: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Richard Henderson <richard.henderson@linaro.org>
Cc: Eduardo Habkost <eduardo@habkost.net>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Philippe Mathieu-Daudé <f4bug@amsat.org>
Cc: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-Id: <20220817083940.3174933-1-kraxel@redhat.com>
Cc: Jason A. Donenfeld <Jason@zx2c4.com>
Cc: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Richard Henderson <richard.henderson@linaro.org>
Cc: Eduardo Habkost <eduardo@habkost.net>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Philippe Mathieu-Daudé <f4bug@amsat.org>
Cc: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2022-08-17 07:07:37 -04:00
Alex Bennée 643a943554 hw/virtio: fix vhost_user_read tracepoint
As reads happen in the callback we were never seeing them. We only
really care about the header so move the tracepoint to when the header
is complete.

Fixes: 6ca6d8ee9d (hw/virtio: add vhost_user_[read|write] trace points)
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20220728135503.1060062-5-alex.bennee@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2022-08-17 07:07:37 -04:00
Alex Bennée 5a9d5f09b1 hw/virtio: handle un-configured shutdown in virtio-pci
The assert() protecting against leakage is a little aggressive and
causes needless crashes if a device is shutdown without having been
configured. In this case no descriptors are lost because none have
been assigned.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20220728135503.1060062-4-alex.bennee@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2022-08-17 07:07:37 -04:00
Alex Bennée f20400ed0d hw/virtio: gracefully handle unset vhost_dev vdev
I've noticed asserts firing because we query the status of vdev after
a vhost connection is closed down. Rather than faulting on the NULL
indirect just quietly reply false.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20220728135503.1060062-3-alex.bennee@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2022-08-17 07:07:37 -04:00
Stefan Hajnoczi 9a4b6a63ae virtio-scsi: fix race in virtio_scsi_dataplane_start()
As soon as virtio_scsi_data_plane_start() attaches host notifiers the
IOThread may start virtqueue processing. There is a race between
IOThread virtqueue processing and virtio_scsi_data_plane_start() because
it only assigns s->dataplane_started after attaching host notifiers.

When a virtqueue handler function in the IOThread calls
virtio_scsi_defer_to_dataplane() it may see !s->dataplane_started and
attempt to start dataplane even though we're already in the IOThread:

  #0  0x00007f67b360857c __pthread_kill_implementation (libc.so.6 + 0xa257c)
  #1  0x00007f67b35bbd56 raise (libc.so.6 + 0x55d56)
  #2  0x00007f67b358e833 abort (libc.so.6 + 0x28833)
  #3  0x00007f67b358e75b __assert_fail_base.cold (libc.so.6 + 0x2875b)
  #4  0x00007f67b35b4cd6 __assert_fail (libc.so.6 + 0x4ecd6)
  #5  0x000055ca87fd411b memory_region_transaction_commit (qemu-kvm + 0x67511b)
  #6  0x000055ca87e17811 virtio_pci_ioeventfd_assign (qemu-kvm + 0x4b8811)
  #7  0x000055ca87e14836 virtio_bus_set_host_notifier (qemu-kvm + 0x4b5836)
  #8  0x000055ca87f8e14e virtio_scsi_set_host_notifier (qemu-kvm + 0x62f14e)
  #9  0x000055ca87f8dd62 virtio_scsi_dataplane_start (qemu-kvm + 0x62ed62)
  #10 0x000055ca87e14610 virtio_bus_start_ioeventfd (qemu-kvm + 0x4b5610)
  #11 0x000055ca87f8c29a virtio_scsi_handle_ctrl (qemu-kvm + 0x62d29a)
  #12 0x000055ca87fa5902 virtio_queue_host_notifier_read (qemu-kvm + 0x646902)
  #13 0x000055ca882c099e aio_dispatch_handler (qemu-kvm + 0x96199e)
  #14 0x000055ca882c1761 aio_poll (qemu-kvm + 0x962761)
  #15 0x000055ca880e1052 iothread_run (qemu-kvm + 0x782052)
  #16 0x000055ca882c562a qemu_thread_start (qemu-kvm + 0x96662a)

This patch assigns s->dataplane_started before attaching host notifiers
so that virtqueue handler functions that run in the IOThread before
virtio_scsi_data_plane_start() returns correctly identify that dataplane
does not need to be started. This fix is taken from the virtio-blk
dataplane code and it's worth adding a comment in virtio-blk as well to
explain why it works.

Note that s->dataplane_started does not need the AioContext lock because
it is set before attaching host notifiers and cleared after detaching
host notifiers. In other words, the IOThread always sees the value true
and the main loop thread does not modify it while the IOThread is
active.

Buglink: https://bugzilla.redhat.com/show_bug.cgi?id=2099541
Reported-by: Qing Wang <qinwang@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20220808162134.240405-1-stefanha@redhat.com>
Reviewed-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2022-08-17 07:07:37 -04:00
Richard Henderson c7208a6e0d Update version for v7.1.0-rc3 release
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-08-16 20:45:19 -05:00
Richard Henderson d293d70a8d * Fix a possible endless loop in USB XHCI code
* Minor fixes for the new readconfig test
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Merge tag 'pull-request-2022-08-16' of https://gitlab.com/thuth/qemu into staging

* Fix a possible endless loop in USB XHCI code
* Minor fixes for the new readconfig test

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# gpg:                issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [undefined]
# gpg:                 aka "Thomas Huth <thuth@redhat.com>" [undefined]
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3  EAB9 2ED9 D774 FE70 2DB5

* tag 'pull-request-2022-08-16' of https://gitlab.com/thuth/qemu:
  hw/usb/hcd-xhci: Fix unbounded loop in xhci_ring_chain_length() (CVE-2020-14394)
  tests/qtest: misc tweaks to readconfig

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-08-16 10:58:57 -05:00
Richard Henderson 09a78762a2 A few small fixes:
- properly un-parent OBJECT(cpu) when closing -user thread
   - add missing timeout to aspeed tests
   - reduce raciness of login: prompt handling for aspeed tests
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Merge tag 'pull-for-7.1-fixes-160822-1' of https://github.com/stsquad/qemu into staging

A few small fixes:

  - properly un-parent OBJECT(cpu) when closing -user thread
  - add missing timeout to aspeed tests
  - reduce raciness of login: prompt handling for aspeed tests

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# gpg: Signature made Tue 16 Aug 2022 03:59:25 AM CDT
# gpg:                using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8  DF35 FBD0 DB09 5A9E 2A44

* tag 'pull-for-7.1-fixes-160822-1' of https://github.com/stsquad/qemu:
  tests/avocado: apply a band aid to aspeed-evb login
  tests/avocado: add timeout to the aspeed tests
  linux-user: un-parent OBJECT(cpu) when closing thread

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-08-16 09:01:50 -05:00
Thomas Huth effaf5a240 hw/usb/hcd-xhci: Fix unbounded loop in xhci_ring_chain_length() (CVE-2020-14394)
The loop condition in xhci_ring_chain_length() is under control of
the guest, and additionally the code does not check for failed DMA
transfers (e.g. if reaching the end of the RAM), so the loop there
could run for a very long time or even forever. Fix it by checking
the return value of dma_memory_read() and by introducing a maximum
loop length.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/646
Message-Id: <20220804131300.96368-1-thuth@redhat.com>
Reviewed-by: Mauro Matteo Cascella <mcascell@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-08-16 11:37:19 +02:00
Daniel P. Berrangé 9c23d71934 tests/qtest: misc tweaks to readconfig
The property name parameter is ignored when visiting a top
level type, but the obvious typo should be fixed to avoid
confusion. A few indentation issues were tidied up. We
can break out of the loop when finding the RNG device.
Finally, close the temp FD immediately when no longer
needed.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20220809093854.168438-1-berrange@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-08-16 11:36:21 +02:00
Alex Bennée 65711f9a87 tests/avocado: apply a band aid to aspeed-evb login
This is really a limitation of the underlying console code which
doesn't allow us to detect the login: and following "#" prompts
because it reads input line wise. By adding a small delay we ensure
that the login prompt has appeared so we don't accidentally spaff the
shell commands to a confused getty in the guest.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Acked-by: John Snow <jsnow@redhat.com>
Message-Id: <20220811151413.3350684-8-alex.bennee@linaro.org>
2022-08-16 09:57:12 +01:00
Alex Bennée b1ceae2f5b tests/avocado: add timeout to the aspeed tests
On some systems the test can hang. At least defining a timeout stops
it from hanging forever.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220811151413.3350684-7-alex.bennee@linaro.org>
2022-08-16 09:57:12 +01:00
Alex Bennée 52f0c16076 linux-user: un-parent OBJECT(cpu) when closing thread
While forcing the CPU to unrealize by hand does trigger the clean-up
code we never fully free resources because refcount never reaches
zero. This is because QOM automatically added objects without an
explicit parent to /unattached/, incrementing the refcount.

Instead of manually triggering unrealization just unparent the object
and let the device machinery deal with that for us.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/866
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20220811151413.3350684-2-alex.bennee@linaro.org>
2022-08-16 09:57:07 +01:00
Richard Henderson d102b8162a Loongarch docs update
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Merge tag 'pull-la-20220814' of https://gitlab.com/rth7680/qemu into staging

Loongarch docs update

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# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
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# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [ultimate]

* tag 'pull-la-20220814' of https://gitlab.com/rth7680/qemu:
  docs/system/loongarch: Update the LoongArch document

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-08-14 08:48:11 -05:00
Xiaojuan Yang 1f90ce64fc docs/system/loongarch: Update the LoongArch document
1. Add some information about how to boot the LoongArch virt
machine by uefi bios and linux kernel and how to access the
source code or binary file.
2. Move the explanation of LoongArch system emulation in the
target/loongarch/README to docs/system/loongarch/loongson3.rst

Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20220812091957.3338126-1-yangxiaojuan@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-08-13 04:45:03 -07:00
Richard Henderson 93f3dd6048 target-arm queue:
* Don't report Statistical Profiling Extension in ID registers
  * virt ACPI tables: Present the GICR structure properly for GICv4
  * Fix some typos in documentation
  * tests/unit: fix a -Wformat-truncation warning
  * cutils: Add missing dyld(3) include on macOS
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Merge tag 'pull-target-arm-20220812' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
 * Don't report Statistical Profiling Extension in ID registers
 * virt ACPI tables: Present the GICR structure properly for GICv4
 * Fix some typos in documentation
 * tests/unit: fix a -Wformat-truncation warning
 * cutils: Add missing dyld(3) include on macOS

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# gpg: Signature made Fri 12 Aug 2022 04:43:58 AM PDT
# gpg:                using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg:                issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [full]
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>" [full]
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [full]

* tag 'pull-target-arm-20220812' of https://git.linaro.org/people/pmaydell/qemu-arm:
  cutils: Add missing dyld(3) include on macOS
  hw/arm/virt-acpi-build: Present the GICR structure properly for GICv4
  tests/unit: fix a -Wformat-truncation warning
  Fix some typos in documentation (most of them found by codespell)
  target/arm: Don't report Statistical Profiling Extension in ID registers

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-08-12 10:46:43 -07:00
Richard Henderson 6add03bec0 Pull request linux-user 20220812
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Merge tag 'linux-user-for-7.1-pull-request' of https://gitlab.com/laurent_vivier/qemu into staging

Pull request linux-user 20220812

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# gpg: Signature made Fri 12 Aug 2022 03:33:41 AM PDT
# gpg:                using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg:                issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [undefined]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [undefined]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* tag 'linux-user-for-7.1-pull-request' of https://gitlab.com/laurent_vivier/qemu:
  linux-user/aarch64: Reset target data on MADV_DONTNEED

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-08-12 08:13:23 -07:00
Philippe Mathieu-Daudé 4311682ea8 cutils: Add missing dyld(3) include on macOS
Commit 06680b15b4 moved qemu_*_exec_dir() to cutils but forgot
to move the macOS dyld(3) include, resulting in the following
error (when building with Homebrew GCC on macOS Monterey 12.4):

  [313/1197] Compiling C object libqemuutil.a.p/util_cutils.c.o
  FAILED: libqemuutil.a.p/util_cutils.c.o
  ../../util/cutils.c:1039:13: error: implicit declaration of function '_NSGetExecutablePath' [-Werror=implicit-function-declaration]
   1039 |         if (_NSGetExecutablePath(fpath, &len) == 0) {
        |             ^~~~~~~~~~~~~~~~~~~~
  ../../util/cutils.c:1039:13: error: nested extern declaration of '_NSGetExecutablePath' [-Werror=nested-externs]

Fix by moving the include line to cutils.

Fixes: 06680b15b4 ("include: move qemu_*_exec_dir() to cutils")
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20220809222046.30812-1-f4bug@amsat.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-08-12 11:33:52 +01:00
Zenghui Yu e1f045780b hw/arm/virt-acpi-build: Present the GICR structure properly for GICv4
With the introduction of the new TCG GICv4, build_madt() is badly broken
as we do not present any GIC Redistributor structure in MADT for GICv4
guests, so that they have no idea about where the Redistributor
register frames are. This fixes a Linux guest crash at boot time with
ACPI enabled and '-machine gic-version=4'.

While at it, let's convert the remaining hard coded gic_version into
enumeration VIRT_GIC_VERSION_2 for consistency.

Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Message-id: 20220812022018.1069-1-yuzenghui@huawei.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-08-12 11:25:18 +01:00
Marc-André Lureau 6a54ac2a97 tests/unit: fix a -Wformat-truncation warning
../tests/test-qobject-input-visitor.c: In function ‘test_visitor_in_list’:
../tests/test-qobject-input-visitor.c:454:49: warning: ‘%d’ directive output may be truncated writing between 1 and 10 bytes into a region of size 6 [-Wformat-truncation=]
  454 |         snprintf(string, sizeof(string), "string%d", i);
      |                                                 ^~
../tests/test-qobject-input-visitor.c:454:42: note: directive argument in the range [0, 2147483606]
  454 |         snprintf(string, sizeof(string), "string%d", i);
      |                                          ^~~~~~~~~~
../tests/test-qobject-input-visitor.c:454:9: note: ‘snprintf’ output between 8 and 17 bytes into a destination of size 12
  454 |         snprintf(string, sizeof(string), "string%d", i);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Rather than trying to be clever, since this is called 3 times during
tests, let's simply use g_strdup_printf().

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-id: 20220810121513.1356081-1-marcandre.lureau@redhat.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
[PMM: fixed commit message typos]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-08-12 11:22:13 +01:00