This will make unversioned CPU models behavior depend on the
machine type:
* "pc-*-4.0" and older will not report them as aliases.
This is done to keep compatibility with older QEMU versions
after management software starts translating aliases.
* "pc-*-4.1" will translate unversioned CPU models to -v1.
This is done to keep compatibility with existing management
software, that still relies on CPU model runnability promises.
* "none" will translate unversioned CPU models to their latest
version. This is planned become the default in future machine
types (probably in pc-*-4.3).
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20190628002844.24894-8-ehabkost@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
The old CPU models will be just aliases for specific versions of
the original CPU models.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20190628002844.24894-7-ehabkost@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Add versions of CPU models that are equivalent to their -IBRS,
-noTSX and -IBRS variants.
The separate variants will eventually be removed and become
aliases for these CPU versions.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20190628002844.24894-6-ehabkost@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Add support for registration of multiple versions of CPU models.
The existing CPU models will be registered with a "-v1" suffix.
The -noTSX, -IBRS, and -IBPB CPU model variants will become
versions of the original models in a separate patch, so
make sure we register no versions for them.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20190628002844.24894-5-ehabkost@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
When introducing versioned CPU models, the string at
X86CPUDefinition::model_id might not be the model-id we'll really
use. Instantiate a CPU object and check the model-id property on
"-cpu help"
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20190628002844.24894-4-ehabkost@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Add a new option that can be used to disable feature flag
filtering. This will allow CPU model compatibility test cases to
work without host hardware dependencies.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20190628002844.24894-3-ehabkost@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Management software will be expected to resolve CPU model name
aliases using the new field.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20190628002844.24894-2-ehabkost@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
SnowRidge CPU supports Accelerator Infrastrcture Architecture (MOVDIRI,
MOVDIR64B), CLDEMOTE and SPLIT_LOCK_DISABLE.
MOVDIRI, MOVDIR64B, and CLDEMOTE are found via CPUID.
The availability of SPLIT_LOCK_DISABLE is check via msr access
References can be found in either:
https://software.intel.com/en-us/articles/intel-sdmhttps://software.intel.com/en-us/download/intel-architecture-instruction-set-extensions-and-future-features-programming-reference
Signed-off-by: Paul Lai <paul.c.lai@intel.com>
Tested-by: Tao3 Xu <tao3.xu@intel.com>
Message-Id: <20190626162129.25345-1-paul.c.lai@intel.com>
[ehabkost: squashed SPLIT_LOCK_DETECT patch]
Message-Id: <20190626163232.25711-1-paul.c.lai@intel.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Export machine type deprecation status through the query-machines
QMP command. With this, libvirt and management software will be
able to show this information to users and/or suggest changes to
VM configuration to avoid deprecated machines.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20190608233447.27970-2-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
For PC target, users could configure the number of dies per one package
via command line with this patch, such as "-smp dies=2,cores=4".
The parsing rules of new cpu-topology model obey the same restrictions/logic
as the legacy socket/core/thread model especially on missing values computing.
Signed-off-by: Like Xu <like.xu@linux.intel.com>
Message-Id: <20190620054525.37188-4-like.xu@linux.intel.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
To make smp_parse() more flexible and expansive, a smp_parse function
pointer is added to MachineClass that machine types could override.
The generic smp_parse() code in vl.c is moved to hw/core/machine.c, and
become the default implementation of MachineClass::smp_parse. A PC-specific
function called pc_smp_parse() has been added to hw/i386/pc.c, which in
this patch changes nothing against the default one .
Suggested-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Like Xu <like.xu@linux.intel.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20190620054525.37188-3-like.xu@linux.intel.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
The CPUID.1F as Intel V2 Extended Topology Enumeration Leaf would be
exposed if guests want to emulate multiple software-visible die within
each package. Per Intel's SDM, the 0x1f is a superset of 0xb, thus they
can be generated by almost same code as 0xb except die_offset setting.
If the number of dies per package is greater than 1, the cpuid_min_level
would be adjusted to 0x1f regardless of whether the host supports CPUID.1F.
Likewise, the CPUID.1F wouldn't be exposed if env->nr_dies < 2.
Suggested-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Like Xu <like.xu@linux.intel.com>
Message-Id: <20190620054525.37188-2-like.xu@linux.intel.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
The variable is completely unused, probably a leftover from
previous code clean up.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20190625050008.12789-3-ehabkost@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Use the same definition as features/user_features in CPUX86State.
Signed-off-by: Wei Yang <richardw.yang@linux.intel.com>
Message-Id: <20190620023746.9869-1-richardw.yang@linux.intel.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
X86CPU.hv-spinlocks is a uint32 property that has a special setter
validating the value to be no less than 0xFFF and no bigger than
UINT_MAX. The latter check is redundant; as for the former, there
appears to be no reason to prohibit the user from setting it to a lower
value.
So nuke the dedicated getter/setter pair and convert 'hv-spinlocks' to a
regular uint32 property.
Signed-off-by: Roman Kagan <rkagan@virtuozzo.com>
Message-Id: <20190618110659.14744-1-rkagan@virtuozzo.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
The current default value for hv-spinlocks is 0xFFFFFFFF (meaning
"never retry"). However, the value is stored as a signed
integer, making the getter of the hv-spinlocks QOM property
return -1 instead of 0xFFFFFFFF.
Fix this by changing the type of X86CPU::hyperv_spinlock_attempts
to uint32_t. This has no visible effect to guest operating
systems, affecting just the behavior of the QOM getter.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20190615200505.31348-1-ehabkost@redhat.com>
Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Reviewed-by: Roman Kagan <rkagan@virtuozzo.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
If cpu->host_phys_bits_limit is set, QEMU will make
cpu->phys_bits be lower than host_phys_bits on some cases. This
triggers a warning that was supposed to be printed only if
phys-bits was explicitly set in the command-line.
Reorder the code so the value of cpu->phys_bits is validated
before the cpu->host_phys_bits handling. This will avoid
unexpected warnings when cpu->host_phys_bits_limit is set.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20190611205420.20286-1-ehabkost@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Fallback might affect guest or worse whole host performance
or functionality if backing file were used to share guest RAM
with another process.
Patch deprecates fallback so that we could remove it in future
and ensure that QEMU will provide expected behavior and fail if
it can't use user provided backing file.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190626074228.11558-1-imammedo@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
hppa_cpu_list() is dead code and is never called. Delete it.
Cc: Richard Henderson <rth@twiddle.net>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20190517191332.23400-1-ehabkost@redhat.com>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Implicit RAM distribution between nodes has exactly the same issues as:
"numa: deprecate 'mem' parameter of '-numa node' option"
only with QEMU being the user that's 'adding' 'mem' parameter.
Deprecate it, to get it out of the way so that we could consolidate
guest RAM allocation using memory backends making it consistent and
possibly later on transition to using memory devices instead of
adhoc memory mapping for the initial RAM.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <1559205199-233510-4-git-send-email-imammedo@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
The parameter allows to configure fake NUMA topology where guest
VM simulates NUMA topology but not actually getting performance
benefits from it. The same or better results could be achieved
using 'memdev' parameter.
Beside of unpredictable performance, '-numa node.mem' option has
other issues when it's used with combination of -mem-path +
+ -mem-prealloc + memdev backends (pc-dimm), breaking binding of
memdev backends since mem-path/mem-prealloc are global and affect
the most of RAM allocations.
It's possible to make memdevs and global -mem-path/mem-prealloc
to play nicely together but that will just complicate already
complicated code and add unobious ways it could break on 2
different memmory allocation pathes and their combinations.
Instead of it, consolidate all guest RAM allocation over memdev
which still allows to create fake NUMA configurations if desired
and leaves one simplifyed code path to consider when it comes
to guest RAM allocation.
To achieve desired simplification deprecate 'mem' parameter as its
ad-hoc partitioning of initial RAM MemoryRegion can't be translated
to memdev based backend transparently to users and in compatible
manner (migration wise).
Later down the road that will allow to consolidate means of how
guest RAM is allocated and would permit us to clean up quite
a bit memory allocations and numa code, leaving only 'memdev'
implementation in place.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <1559205199-233510-3-git-send-email-imammedo@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Legacy '-numa node,mem' option has a number of issues and mgmt often
defaults to it. Unfortunately it's no possible to replace it with
an alternative '-numa memdev' without breaking migration compatibility.
What's possible though is to deprecate it, keeping option working with
old machine types only.
In order to help users to find out if being deprecated CLI option
'-numa node,mem' is still supported by particular machine type, add new
"numa-mem-supported" property to output of query-machines.
"numa-mem-supported" is set to 'true' for machines that currently support
NUMA, but it will be flipped to 'false' later on, once deprecation period
expires and kept 'true' only for old machine types that used to support
the legacy option so it won't break existing configuration that are using
it.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <1560172207-378962-1-git-send-email-imammedo@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
QEMU will crash when device-memory-region-size property is read if ms->device_memory
wasn't initialized yet.
Crash can be reproduced with:
$QEMU -preconfig -qmp unix:qmp_socket,server,nowait &
./scripts/qmp/qom-get -s qmp_socket /machine.device-memory-region-size
Instead of crashing return 0 if ms->device_memory hasn't been initialized.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20190624090200.5383-1-imammedo@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
In new sockets/dies/cores/threads model, the apicid of logical cpu could
imply die level info of guest cpu topology thus x86_apicid_from_cpu_idx()
need to be refactored with #dies value, so does apicid_*_offset().
To keep semantic compatibility, the legacy pkg_offset which helps to
generate CPUIDs such as 0x3 for L3 cache should be mapping to die_offset.
Signed-off-by: Like Xu <like.xu@linux.intel.com>
Message-Id: <20190612084104.34984-5-like.xu@linux.intel.com>
[ehabkost: squash unit test patch]
Message-Id: <20190612084104.34984-6-like.xu@linux.intel.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
The field die_id (default as 0) and has_die_id are introduced to X86CPU.
Following the legacy smp check rules, the die_id validity is added to
the same contexts as leagcy smp variables such as hmp_hotpluggable_cpus(),
machine_set_cpu_numa_node(), cpu_slot_to_string() and pc_cpu_pre_plug().
Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Like Xu <like.xu@linux.intel.com>
Message-Id: <20190612084104.34984-4-like.xu@linux.intel.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
To support multiple dies configuration on PCMachine, the best place to
set CPUX86State->nr_dies with requested PCMachineState->smp_dies is in
pc_new_cpu() and pc_cpu_pre_plug(). Refactoring pc_new_cpu() is applied
and redundant parameter "const char *typename" would be removed.
Suggested-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Like Xu <like.xu@linux.intel.com>
Message-Id: <20190612084104.34984-3-like.xu@linux.intel.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
The die-level as the first PC-specific cpu topology is added to the leagcy
cpu topology model, which has one die per package implicitly and only the
numbers of sockets/cores/threads are configurable.
In the new model with die-level support, the total number of logical
processors (including offline) on board will be calculated as:
#cpus = #sockets * #dies * #cores * #threads
and considering compatibility, the default value for #dies would be
initialized to one in x86_cpu_initfn() and pc_machine_initfn().
Signed-off-by: Like Xu <like.xu@linux.intel.com>
Message-Id: <20190612084104.34984-2-like.xu@linux.intel.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
The global smp variables in vl.c are completely replaced with machine properties.
Form this commit, the smp_cpus/smp_cores/smp_threads/max_cpus are deprecated
and only machine properties within MachineState are fully applied and enabled.
Signed-off-by: Like Xu <like.xu@linux.intel.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20190518205428.90532-11-like.xu@linux.intel.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
The global smp variables in alpha/hppa/mips/openrisc/sparc*/xtensa codes
are replaced with smp properties from MachineState.
A local variable of the same name would be introduced in the declaration
phase if it's used widely in the context OR replace it on the spot if it's
only used once. No semantic changes.
Signed-off-by: Like Xu <like.xu@linux.intel.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20190518205428.90532-10-like.xu@linux.intel.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
The global smp variables in arm are replaced with smp machine properties.
The init_cpus() and *_create_rpu() are refactored to pass MachineState.
A local variable of the same name would be introduced in the declaration
phase if it's used widely in the context OR replace it on the spot if it's
only used once. No semantic changes.
Signed-off-by: Like Xu <like.xu@linux.intel.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20190518205428.90532-9-like.xu@linux.intel.com>
[ehabkost: Fix hw/arm/sbsa-ref.c and hw/arm/aspeed.c]
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
The global smp variables in i386 are replaced with smp machine properties.
To avoid calling qdev_get_machine() as much as possible, some related funtions
for acpi data generations are refactored. No semantic changes.
A local variable of the same name would be introduced in the declaration
phase if it's used widely in the context OR replace it on the spot if it's
only used once. No semantic changes.
Signed-off-by: Like Xu <like.xu@linux.intel.com>
Message-Id: <20190518205428.90532-8-like.xu@linux.intel.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
The global smp variables in s390x are replaced with smp machine properties.
A local variable of the same name would be introduced in the declaration
phase if it's used widely in the context OR replace it on the spot if it's
only used once. No semantic changes.
Signed-off-by: Like Xu <like.xu@linux.intel.com>
Message-Id: <20190518205428.90532-7-like.xu@linux.intel.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
[ehabkost: fix build failure at VCPU_IRQ_BUF_SIZE]
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
fixup! hw/s390x: Replace global smp variables with machine smp properties
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
The global smp variables in riscv are replaced with smp machine properties.
A local variable of the same name would be introduced in the declaration
phase if it's used widely in the context OR replace it on the spot if it's
only used once. No semantic changes.
Signed-off-by: Like Xu <like.xu@linux.intel.com>
Message-Id: <20190518205428.90532-6-like.xu@linux.intel.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
[ehabkost: fix spike_board_init()]
[ehabkost: fix riscv_sifive_e_soc_init()]
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
The global smp variables in ppc are replaced with smp machine properties.
A local variable of the same name would be introduced in the declaration
phase if it's used widely in the context OR replace it on the spot if it's
only used once. No semantic changes.
Signed-off-by: Like Xu <like.xu@linux.intel.com>
Message-Id: <20190518205428.90532-5-like.xu@linux.intel.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Basically, the context could get the MachineState reference via call
chains or unrecommended qdev_get_machine() in !CONFIG_USER_ONLY mode.
A local variable of the same name would be introduced in the declaration
phase out of less effort OR replace it on the spot if it's only used
once in the context. No semantic changes.
Signed-off-by: Like Xu <like.xu@linux.intel.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20190518205428.90532-4-like.xu@linux.intel.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
To get rid of the global smp_* variables we're currently using, it's recommended
to pass MachineState in the list of incoming parameters for functions that use
global smp variables, thus some redundant parameters are dropped. It's applied
for legacy smbios_*(), *_machine_reset(), hot_add_cpu() and mips *_create_cpu().
Suggested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Like Xu <like.xu@linux.intel.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20190518205428.90532-3-like.xu@linux.intel.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
The cpu topology property CpuTopology is added to the MachineState
and its members are initialized with the leagcy global smp variables.
From this commit, the code in the system emulation mode is supposed to
use cpu topology variables from MachineState instead of the global ones
defined in vl.c and there is no semantic change.
Suggested-by: Igor Mammedov <imammedo@redhat.com>
Suggested-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Like Xu <like.xu@linux.intel.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20190518205428.90532-2-like.xu@linux.intel.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
- tests/vm updates and clean-ups
- tests/vm serial autobuild on host (-netbsd v3)
- ensure MacOS builds do "brew update"
- ensure we test --static user builds
- fix hyperv compile failure
- fix missing var warning for OpenBSD (v2)
This brings my testing back to green on all CI services. Please note
the BSD installs will throw out some warnings during the setup phase.
They shouldn't re-occur once the images are built. NetBSD has been
dropped for now given slow install issues.
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Merge remote-tracking branch 'remotes/stsquad/tags/pull-testing-next-050719-3' into staging
Various testing fixes:
- tests/vm updates and clean-ups
- tests/vm serial autobuild on host (-netbsd v3)
- ensure MacOS builds do "brew update"
- ensure we test --static user builds
- fix hyperv compile failure
- fix missing var warning for OpenBSD (v2)
This brings my testing back to green on all CI services. Please note
the BSD installs will throw out some warnings during the setup phase.
They shouldn't re-occur once the images are built. NetBSD has been
dropped for now given slow install issues.
# gpg: Signature made Fri 05 Jul 2019 11:15:21 BST
# gpg: using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [full]
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8 DF35 FBD0 DB09 5A9E 2A44
* remotes/stsquad/tags/pull-testing-next-050719-3:
migration: move port_attr inside CONFIG_LINUX
target/i386: fix feature check in hyperv-stub.c
Makefile: Rename the 'vm-test' target as 'vm-help'
.travis.yml: force a brew update for MacOS builds
.travis.yml: default the --disable-system build to --static
tests/vm: ubuntu.i386: apt proxy setup
tests/vm: fedora autoinstall, using serial console
tests/vm: freebsd autoinstall, using serial console
tests/vm: openbsd autoinstall, using serial console
tests/vm: serial console support helpers
tests/vm: add vm-boot-{ssh,serial}-<guest> targets
tests/vm: proper guest shutdown
tests/vm: run test builds on snapshot
tests/vm: use ssh with pty unconditionally
tests/vm: send proxy environment variables over ssh
tests/vm: add source repos on ubuntu.i386
tests/vm: pin ubuntu.i386 image
tests/vm: avoid image presence check and removal
tests/vm: avoid extra compressed image copy
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
virtio-pmem support.
libvhost user mq support.
A bunch of fixes all over the place.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
virtio, pc, pci: features, fixes, cleanups
virtio-pmem support.
libvhost user mq support.
A bunch of fixes all over the place.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Thu 04 Jul 2019 22:00:49 BST
# gpg: using RSA key 281F0DB8D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# 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
* remotes/mst/tags/for_upstream: (22 commits)
docs: avoid vhost-user-net specifics in multiqueue section
libvhost-user: implement VHOST_USER_PROTOCOL_F_MQ
libvhost-user: support many virtqueues
libvhost-user: add vmsg_set_reply_u64() helper
pc: Move compat_apic_id_mode variable to PCMachineClass
virtio: Don't change "started" flag on virtio_vmstate_change()
virtio: Make sure we get correct state of device on handle_aio_output()
virtio: Set "start_on_kick" on virtio_set_features()
virtio: Set "start_on_kick" for legacy devices
virtio: add "use-started" property
virtio-pci: fix missing device properties
pc: Support for virtio-pmem-pci
numa: Handle virtio-pmem in NUMA stats
hmp: Handle virtio-pmem when printing memory device infos
virtio-pci: Proxy for virtio-pmem
virtio-pmem: sync linux headers
virtio-pci: Allow to specify additional interfaces for the base type
virtio-pmem: add virtio device
pcie: minor cleanups for slot control/status
pcie: work around for racy guest init
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Turns out my last fix to this broke one case for Rage 128 Pro so
revert that part of previous patch. This now fixes the remaining
rendering problems for MorphOS which now can produce picture with
-device ati-vga (although it may not be optimised yet and video
overlay emulation is still known to be missing).
Fixes: 866ad5f5ff
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-id: da33261a841755691f698db8190c868df0c0d3ae.1562276605.git.balaton@eik.bme.hu
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
The pixman library only supports blts with left to right, top to
bottom order but the ATI VGA engine can also do different directions.
Fix support for these via a temporary buffer for now. This fixes
rendering issues related to such blts (such as moving windows) but
some other glitches still remain.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-id: e21855faaeb30d7b1771f084f283f6a30bedb1a3.1562227303.git.balaton@eik.bme.hu
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
The extended mode frame buffer should be little endian even when
emulating big endian machine (such as PPC). This fixes color problems
with MorphOS.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-id: 439aa85061f103446df7b42632d730971a372432.1562151410.git.balaton@eik.bme.hu
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
The "Multiple queue support" section makes references to vhost-user-net
"queue pairs". This is confusing for two reasons:
1. This actually applies to all device types, not just vhost-user-net.
2. VHOST_USER_GET_QUEUE_NUM returns the number of virtqueues, not the
number of queue pairs.
Reword the section so that the vhost-user-net specific part is relegated
to the very end: we acknowledge that vhost-user-net historically
automatically enabled the first queue pair.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20190626074815.19994-5-stefanha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Existing vhost-user device backends, including vhost-user-scsi and
vhost-user-blk, support multiqueue but libvhost-user currently does not
advertise this.
VHOST_USER_PROTOCOL_F_MQ enables the VHOST_USER_GET_QUEUE_NUM request
needed for a vhost-user master to query the number of queues. For
example, QEMU's vhost-user-net master depends on
VHOST_USER_PROTOCOL_F_MQ for multiqueue.
If you're wondering how any device backend with more than one virtqueue
functions today, it's because device types with a fixed number of
virtqueues do not require querying the number of queues. Therefore the
vhost-user master for vhost-user-input with 2 virtqueues, for example,
doesn't actually depend on VHOST_USER_PROTOCOL_F_MQ. It just enables
virtqueues 0 and 1 without asking.
Let there be multiqueue!
Suggested-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20190626074815.19994-4-stefanha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Currently libvhost-user is hardcoded to at most 8 virtqueues. The
device backend should decide the number of virtqueues, not
libvhost-user. This is important for multiqueue device backends where
the guest driver needs an accurate number of virtqueues.
This change breaks libvhost-user and libvhost-user-glib API stability.
There is no stability guarantee yet, so make this change now and update
all in-tree library users.
This patch touches up vhost-user-blk, vhost-user-gpu, vhost-user-input,
vhost-user-scsi, and vhost-user-bridge. If the device has a fixed
number of queues that exact number is used. Otherwise the previous
default of 8 virtqueues is used.
vu_init() and vug_init() can now fail if malloc() returns NULL. I
considered aborting with an error in libvhost-user but it should be safe
to instantiate new vhost-user instances at runtime without risk of
terminating the process. Therefore callers need to handle the vu_init()
failure now.
vhost-user-blk and vhost-user-scsi duplicate virtqueue index checks that
are already performed by libvhost-user. This code would need to be
modified to use max_queues but remove it completely instead since it's
redundant.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20190626074815.19994-3-stefanha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The VhostUserMsg request is reused as the reply by message processing
functions. This is risky since request fields may corrupt the reply if
the vhost-user message handler function forgets to re-initialize them.
Changing this practice would be very invasive but we can introduce a
helper function to make u64 payload replies safe. This also eliminates
code duplication in message processing functions.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20190626074815.19994-2-stefanha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Replace the static variable with a PCMachineClass field. This
will help us eventually get rid of the pc_compat_*() init
functions.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20190628200227.1053-1-ehabkost@redhat.com>
Reviewed-by: Philippe Mathieu-Daude <philmd@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
