The stubs mechanism relies on static libraries and compilation order,
which is a bit brittle and should be avoided unless necessary.
Replace it with Boolean operations on CONFIG_* symbols.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
qcrypto_random_*, AES and qcrypto_init do not need to be linked as a whole
and are the only parts that are used by user-mode emulation. Place them
in libqemuutil, so that whatever needs them will pick them up automatically.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
We are already including -D__STDC_LIMIT_MACROS in the global CXXFLAGS,
so it makes sense to do the same for -D__STDC_CONSTANT_MACROS and
-D__STDC_FORMAT_MACROS instead of limiting that to libvixl.
The -Wno-sign-compare option can also be removed since GCC 4.6 is not
supported anymore.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The block tests, as well as ahci-test needs qemu-img. Do not run
them if it wasn't built.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Use g_build_filename instead of sprintf, and g_autofree instead of
manual freeing.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Fixes:
../contrib/vhost-user-scsi/vhost-user-scsi.c:118:57: error: format specifies
type 'unsigned char' but the argument has type 'int' [-Werror,-Wformat]
g_warning("Unable to determine cdb len (0x%02hhX)", cdb[0] >> 5);
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
../monitor/misc.c: In function ‘mon_get_cpu_sync’:
/home/elmarco/src/qq/include/sysemu/hw_accel.h:22:9: error: ‘cpu’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
22 | kvm_cpu_synchronize_state(cpu);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../monitor/misc.c:397:15: note: ‘cpu’ was declared here
397 | CPUState *cpu;
| ^~~
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
../migration/ram.c: In function ‘multifd_recv_thread’:
/home/elmarco/src/qq/include/qapi/error.h:165:5: error: ‘block’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
165 | error_setg_internal((errp), __FILE__, __LINE__, __func__, \
| ^~~~~~~~~~~~~~~~~~~
../migration/ram.c:818:15: note: ‘block’ was declared here
818 | RAMBlock *block;
| ^~~~~
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
When including the internal SLIRP library, we should add all the libraries that
it needs for the build. Right now they are all included by QEMU, but -liphlpapi
is not needed without slirp. Move it from LIBS to slirp_libs.
Based on a patch by Marc-André Lureau.
Acked-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
vhost-user-gpu is always built and installed, but it is not part of the emulator
proper. Cut it if --disable-tools is specified.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
QOM interfaces allow a limited form of multiple inheritance, at the
condition of being stateless. That is, they cannot be instantiated
and a pointer to an interface shouldn't be dereferenceable in any way.
This is achieved by making the QOM instance type an incomplete type,
which is, as mentioned by Markus Armbruster, the closest you can get
to abstract class in C.
Incomplete types are widely used to hide implementation details, but
people usually expect to find at least one place where the type is
fully defined. The fact that it doesn't happen with QOM interfaces is
quite disturbing, especially since it isn't documented anywhere as
recently discussed in this thread:
https://lists.gnu.org/archive/html/qemu-devel/2019-12/msg01579.html
Amend the documentation in the object.h header file to provide more
details about why and how to implement QOM interfaces using incomplete
types.
Signed-off-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The KVMState struct is opaque, so provide accessors for the fields
that will be moved from current_machine to the accelerator. For now
they just forward to the machine object, but this will change.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The first machine property to fall is Xen's Intel integrated graphics
passthrough. The "-machine igd-passthru" option does not set anymore
a property on the machine object, but desugars to a GlobalProperty on
accelerator objects.
The setter is very simple, since the value ends up in a
global variable, so this patch also provides an example before the more
complicated cases that follow it.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
-tb-size fits nicely in the new framework for accelerator-specific options. It
is a very niche option, so insta-deprecate it.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Replace the ad-hoc qemu_tcg_configure with generic code invoking QOM
property getters and setters. More properties (and thus more valid
-accel suboptions) will be added in the next patches, which will move
accelerator-related "-machine" options to accelerators.
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
We will have to set QOM properties before accel_init_machine, based on the
options provided to -accel. Construct the object outside it so that it
will be possible to iterate on properties between object_new_with_class
and accel_init_machine.
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Similar to CPU and machine classes, "-accel" class names are mangled,
so we have to first get a class via accel_find and then instantiate it.
Provide a new function to instantiate a class without going through
object_class_get_name, and use it for CPUs and machines already.
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Similar to the existing "-rtc driftfix" option, we will convert some
legacy "-machine" command line options to global properties on accelerators.
Because accelerators are not devices, we cannot use qdev_prop_register_global.
Instead, provide a slot in the generic object_compat_props arrays for
command line syntactic sugar.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
So far, specifying an accelerator that was not compiled in did not result
in an error; fix that.
While at it, clarify the mysterious "Back to TCG" message.
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Drop the "accel" property from MachineState, and instead desugar
"-machine accel=" to a list of "-accel" options.
This has a semantic change due to removing merge_lists from -accel.
For example:
- "-accel kvm -accel tcg" all but ignored "-accel kvm". This is a bugfix.
- "-accel kvm -accel thread=single" ignored "thread=single", since it
applied the option to KVM. Now it fails due to not specifying the
accelerator on "-accel thread=single".
- "-accel tcg -accel thread=single" chose single-threaded TCG, while now
it will fail due to not specifying the accelerator on "-accel
thread=single".
Also, "-machine accel" and "-accel" become incompatible.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
We will reuse the parsing loop of machine_set_property soon for "-accel",
but we do not want the "_" -> "-" conversion since "-accel" can just
standardize on dashes. We will also add a bunch of legacy option handling
to keep the QOM machine object clean. Extract the loop into a separate
function, and keep the legacy handling in machine_set_property.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Now that accel/accel.c does not use CONFIG_TCG or CONFIG_KVM anymore,
it need not be compiled once for every softmmu target.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The next step is to move the parsing of "-machine accel=..." into vl.c,
unifying it with the configure_accelerators() function that has just
been introduced. This way, we will be able to desugar it into multiple
"-accel" options, without polluting accel/accel.c.
The CONFIG_TCG and CONFIG_KVM symbols are not available in vl.c, but
we can use accel_find instead to find their value at runtime. Once we
know that the binary has one of TCG or KVM, the default accelerator
can be expressed simply as "tcg:kvm", because TCG never fails to initialize.
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
As a first step towards supporting multiple "-accel" options, push the
late processing of -icount and -accel into a new function, and use
qemu_opts_foreach to retrieve -accel options instead of stashing
them into globals.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Move everything related to mttcg_enabled in accel/tcg/tcg-all.c,
which will make even more sense when "thread" becomes a QOM property.
For now, initializing mttcg_enabled in the instance_init function
prepares for the next patch, which will only invoke qemu_tcg_configure
when the command line includes a -accel option.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Once qemu_tcg_configure is turned into a QOM property setter, it will not
be able to set a default value for mttcg_enabled. Setting the default will
move to the TCG instance_init function, which currently runs before "-icount"
is processed.
However, it is harmless to do configure_icount for all accelerators; we will
just fail later if a non-TCG accelerator is selected. So do that.
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
"info mtree -f" prints the wrong accelerator name if used with for example
"-machine accel=kvm:tcg". The right thing to do is to fetch the name
from the AccelClass, which will also work nicely once
current_machine->accel stops existing.
Tested-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
It has two bools and two strings, it is very difficult to remember
which does what. And it makes very difficult to add new parameters as
we need to modify all the callers.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Tested-by: Cornelia Huck <cohuck@redhat.com> #s390x
Tested-by: Laurent Vivier <lvivier@redhat.com>
This explains better what they do and avoid confussino with
command_src/target.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Tested-by: Cornelia Huck <cohuck@redhat.com> #s390x
Tested-by: Laurent Vivier <lvivier@redhat.com>
We are repeating almost everything for each machine while creating the
command line for migration. And once for source and another for
destination. We start putting there opts_src and opts_dst.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Tested-by: Cornelia Huck <cohuck@redhat.com> #s390x
Tested-by: Laurent Vivier <lvivier@redhat.com>
kvm_set_phys_mem can be called to reallocate a slot by something the
guest does (e.g. writing to PAM and other chipset registers).
This can happen in the middle of a migration, and if we're unlucky
it can now happen between the split 'sync' and 'clear'; the clear
asserts if there's no bmap to clear. Recreate the bmap whenever
we change the slot, keeping the clear path happy.
Typically this is triggered by the guest rebooting during a migrate.
Corresponds to:
https://bugzilla.redhat.com/show_bug.cgi?id=1772774https://bugzilla.redhat.com/show_bug.cgi?id=1771032
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
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Merge remote-tracking branch 'remotes/cleber/tags/python-next-pull-request' into staging
Python queue 2019-12-17
# gpg: Signature made Tue 17 Dec 2019 05:12:43 GMT
# gpg: using RSA key 7ABB96EB8B46B94D5E0FE9BB657E8D33A5F209F3
# gpg: Good signature from "Cleber Rosa <crosa@redhat.com>" [marginal]
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg: It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 7ABB 96EB 8B46 B94D 5E0F E9BB 657E 8D33 A5F2 09F3
* remotes/cleber/tags/python-next-pull-request:
python/qemu: Remove unneeded imports in __init__
python/qemu: accel: Add tcg_available() method
python/qemu: accel: Strengthen kvm_available() checks
python/qemu: accel: Add list_accel() method
python/qemu: Move kvm_available() to its own module
Acceptance tests: use relative location for tests
Acceptance tests: use avocado tags for machine type
Acceptance tests: introduce utility method for tags unique vals
Acceptance test x86_cpu_model_versions: use default vm
tests/acceptance: Makes linux_initrd and empty_cpu_model use QEMUMachine
python/qemu: Add set_qmp_monitor() to QEMUMachine
analyze-migration.py: replace numpy with python 3.2
analyze-migration.py: fix find() type error
Revert "Acceptance test: cancel test if m68k kernel packages goes missing"
tests/boot_linux_console: Fetch assets from Debian snapshot archives
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This is the first pull request for the qemu-5.0 branch. It has a lot
of accumulated changes, including:
* SLOF update to support boot using the IOMMU (will become
necessary for secure guests)
* Clean ups to pnv handling of chip models
* A number of extensions to the powernv machine model
* TCG extensions to allow powernv emulated systems to run KVM guests
* Outline support for POWER10 chips in powernv
* Cleanups to the ibm,client-architecture-support feature negotiation path
* XIVE reworks to better handle the powernv machine
* Improvements to not waste interrupt queues and other semi-scarce
resources when using XIVE under KVM
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-5.0-20191217' into staging
ppc patch queue 2019-12-17
This is the first pull request for the qemu-5.0 branch. It has a lot
of accumulated changes, including:
* SLOF update to support boot using the IOMMU (will become
necessary for secure guests)
* Clean ups to pnv handling of chip models
* A number of extensions to the powernv machine model
* TCG extensions to allow powernv emulated systems to run KVM guests
* Outline support for POWER10 chips in powernv
* Cleanups to the ibm,client-architecture-support feature negotiation path
* XIVE reworks to better handle the powernv machine
* Improvements to not waste interrupt queues and other semi-scarce
resources when using XIVE under KVM
# gpg: Signature made Tue 17 Dec 2019 04:42:20 GMT
# gpg: using RSA key 75F46586AE61A66CC44E87DC6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>" [full]
# gpg: aka "David Gibson (Red Hat) <dgibson@redhat.com>" [full]
# gpg: aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>" [full]
# gpg: aka "David Gibson (kernel.org) <dwg@kernel.org>" [unknown]
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E 87DC 6C38 CACA 20D9 B392
* remotes/dgibson/tags/ppc-for-5.0-20191217: (88 commits)
pseries: Update SLOF firmware image
ppc/pnv: Drop PnvChipClass::type
ppc/pnv: Introduce PnvChipClass::xscom_pcba() method
ppc/pnv: Drop pnv_chip_is_power9() and pnv_chip_is_power10() helpers
ppc/pnv: Pass content of the "compatible" property to pnv_dt_xscom()
ppc/pnv: Pass XSCOM base address and address size to pnv_dt_xscom()
ppc/pnv: Introduce PnvChipClass::xscom_core_base() method
ppc/pnv: Introduce PnvChipClass::intc_print_info() method
ppc/pnv: Drop pnv_is_power9() and pnv_is_power10() helpers
ppc/pnv: Introduce PnvMachineClass::dt_power_mgt()
ppc/pnv: Introduce PnvMachineClass and PnvMachineClass::compat
ppc/pnv: Drop PnvPsiClass::chip_type
ppc/pnv: Introduce PnvPsiClass::compat
ppc: Drop useless extern annotation for functions
ppc/pnv: Fix OCC common area region mapping
ppc/pnv: Introduce PBA registers
ppc/pnv: Make PnvXScomInterface an incomplete type
ppc/pnv: populate the DT with realized XSCOM devices
ppc/pnv: Loop on the whole hierarchy to populate the DT with the XSCOM nodes
target/ppc: Add SPR TBU40
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Feature:
* Cooperlake CPU model
Cleanups:
* Use g_autofree in a few places
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Merge remote-tracking branch 'remotes/ehabkost/tags/x86-next-pull-request' into staging
x86 queue, 2019-12-16
Feature:
* Cooperlake CPU model
Cleanups:
* Use g_autofree in a few places
# gpg: Signature made Mon 16 Dec 2019 19:36:51 GMT
# gpg: using RSA key 5A322FD5ABC4D3DBACCFD1AA2807936F984DC5A6
# gpg: issuer "ehabkost@redhat.com"
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>" [full]
# Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF D1AA 2807 936F 984D C5A6
* remotes/ehabkost/tags/x86-next-pull-request:
i386: Use g_autofree in a few places
i386: Add new CPU model Cooperlake
i386: Add macro for stibp
i386: Add MSR feature bit for MDS-NO
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
g_test_rand_int provides a reproducible random integer number, using a
different number seed every time but allowing reproduction using the
--seed command line option. It is thus better suited to tests than
g_random_int or random.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <1576113478-42926-1-git-send-email-pbonzini@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
The check-report.html and check-report.xml targets were replaced
with check-report.tap in commit 9df43317b8 but the check-help
text was not updated so it still lists check-report.html.
Fixes: 9df43317b8
Signed-off-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Message-Id: <20191211204427.4681-2-wainersm@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
We have a setenv() wrapper in os-win32.c that no one is actually using.
Drop it and change to g_setenv() uniformly.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <1576074210-52834-7-git-send-email-pbonzini@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Devices "ivshmem-plain" and "ivshmem-doorbell" support only MSI-X.
Config space register Interrupt Pin is zero. Device "ivshmem"
additionally supported legacy INTx, but it was removed in commit
5a0e75f0a9 "hw/misc/ivshmem: Remove deprecated "ivshmem" legacy
device". The commit left ivshmem_update_irq() behind. Since the
Interrupt Pin register is zero, the function does nothing. Remove it.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20191205203557.11254-1-armbru@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
On ppc64, migration-test only works with kvm_hv, and we already
have a check to verify the module is loaded.
kvm_hv module can be loaded in memory and /sys/module/kvm_hv exists,
but on some systems (like build systems) /dev/kvm can be missing
(by administrators choice).
And as kvm_hv exists test-migration is started but QEMU falls back to
TCG because it cannot be used:
Could not access KVM kernel module: No such file or directory
failed to initialize KVM: No such file or directory
Back to tcg accelerator
And as the test is done with TCG, it fails.
As for s390x, we must check for the existence and the access rights
of /dev/kvm.
Reported-by: Cole Robinson <crobinso@redhat.com>
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Message-Id: <20191120170955.242900-1-lvivier@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
