[09/12] qapi: make most CPU commands unconditionally available

Message ID	20250514234108.3746675-10-pierrick.bouvier@linaro.org
State	New
Headers	show Delivered-To: patch@linaro.org Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; From: Pierrick Bouvier <pierrick.bouvier@linaro.org> To: qemu-devel@nongnu.org Cc: Pierrick Bouvier <pierrick.bouvier@linaro.org>, Michael Roth <michael.roth@amd.com>, alex.bennee@linaro.org, Paolo Bonzini <pbonzini@redhat.com>, Thomas Huth <thuth@redhat.com>, berrange@redhat.com, Richard Henderson <richard.henderson@linaro.org>, peter.maydell@linaro.org, Markus Armbruster <armbru@redhat.com>, =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= <philmd@linaro.org> Subject: [PATCH 09/12] qapi: make most CPU commands unconditionally available Date: Wed, 14 May 2025 16:41:05 -0700 Message-ID: <20250514234108.3746675-10-pierrick.bouvier@linaro.org> In-Reply-To: <20250514234108.3746675-1-pierrick.bouvier@linaro.org> References: <20250514234108.3746675-1-pierrick.bouvier@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::634; envelope-from=pierrick.bouvier@linaro.org; helo=mail-pl1-x634.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action Precedence: list Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org
Series	qapi: remove all TARGET_* conditionals from the schema \| expand [00/12] qapi: remove all TARGET_* conditionals from the schema [01/12] qapi: expose rtc-reset-reinjection command unconditionally [02/12] qapi: expand docs for SEV commands [03/12] qapi: make SEV commands unconditionally available [04/12] qapi: expose query-gic-capability command unconditionally [05/12] qapi: make SGX commands unconditionally available [06/12] qapi: make Xen event commands unconditionally available [07/12] qapi: remove the misc-target.json file [08/12] qapi: Make CpuModelExpansionInfo::deprecated-props optional and generic [09/12] qapi: make most CPU commands unconditionally available [10/12] qapi: make s390x specific CPU commands unconditionally available [11/12] qapi: remove qapi_specific_outputs from meson.build [12/12] qapi: make all generated files common

diff --git a/MAINTAINERS b/MAINTAINERS index 476dcb46683..c2a6e6d1c1c 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1927,7 +1927,6 @@ F: hw/core/numa.c F: hw/cpu/cluster.c F: qapi/machine.json F: qapi/machine-common.json -F: qapi/machine-target.json F: include/hw/boards.h F: include/hw/core/cpu.h F: include/hw/cpu/cluster.h diff --git a/qapi/machine-target.json b/qapi/machine-target.json deleted file mode 100644 index e153291a7fc..00000000000 --- a/qapi/machine-target.json +++ /dev/null @@ -1,522 +0,0 @@ -# -*- Mode: Python -*- -# vim: filetype=python -# -# This work is licensed under the terms of the GNU GPL, version 2 or later. -# See the COPYING file in the top-level directory. - -{ 'include': 'machine-common.json' } - -## -# @CpuModelInfo: -# -# Virtual CPU model. -# -# A CPU model consists of the name of a CPU definition, to which delta -# changes are applied (e.g. features added/removed). Most magic -# values that an architecture might require should be hidden behind -# the name. However, if required, architectures can expose relevant -# properties. -# -# @name: the name of the CPU definition the model is based on -# -# @props: a dictionary of QOM properties to be applied -# -# Since: 2.8 -## -{ 'struct': 'CpuModelInfo', - 'data': { 'name': 'str', - '*props': 'any' } } - -## -# @CpuModelExpansionType: -# -# An enumeration of CPU model expansion types. -# -# @static: Expand to a static CPU model, a combination of a static -# base model name and property delta changes. As the static base -# model will never change, the expanded CPU model will be the -# same, independent of QEMU version, machine type, machine -# options, and accelerator options. Therefore, the resulting -# model can be used by tooling without having to specify a -# compatibility machine - e.g. when displaying the "host" model. -# The @static CPU models are migration-safe. -# -# @full: Expand all properties. The produced model is not guaranteed -# to be migration-safe, but allows tooling to get an insight and -# work with model details. -# -# .. note:: When a non-migration-safe CPU model is expanded in static -# mode, some features enabled by the CPU model may be omitted, -# because they can't be implemented by a static CPU model -# definition (e.g. cache info passthrough and PMU passthrough in -# x86). If you need an accurate representation of the features -# enabled by a non-migration-safe CPU model, use @full. If you -# need a static representation that will keep ABI compatibility -# even when changing QEMU version or machine-type, use @static (but -# keep in mind that some features may be omitted). -# -# Since: 2.8 -## -{ 'enum': 'CpuModelExpansionType', - 'data': [ 'static', 'full' ] } - -## -# @CpuModelCompareResult: -# -# An enumeration of CPU model comparison results. The result is -# usually calculated using e.g. CPU features or CPU generations. -# -# @incompatible: If model A is incompatible to model B, model A is not -# guaranteed to run where model B runs and the other way around. -# -# @identical: If model A is identical to model B, model A is -# guaranteed to run where model B runs and the other way around. -# -# @superset: If model A is a superset of model B, model B is -# guaranteed to run where model A runs. There are no guarantees -# about the other way. -# -# @subset: If model A is a subset of model B, model A is guaranteed to -# run where model B runs. There are no guarantees about the other -# way. -# -# Since: 2.8 -## -{ 'enum': 'CpuModelCompareResult', - 'data': [ 'incompatible', 'identical', 'superset', 'subset' ] } - -## -# @CpuModelBaselineInfo: -# -# The result of a CPU model baseline. -# -# @model: the baselined CpuModelInfo. -# -# Since: 2.8 -## -{ 'struct': 'CpuModelBaselineInfo', - 'data': { 'model': 'CpuModelInfo' }, - 'if': 'TARGET_S390X' } - -## -# @CpuModelCompareInfo: -# -# The result of a CPU model comparison. -# -# @result: The result of the compare operation. -# -# @responsible-properties: List of properties that led to the -# comparison result not being identical. -# -# @responsible-properties is a list of QOM property names that led to -# both CPUs not being detected as identical. For identical models, -# this list is empty. If a QOM property is read-only, that means -# there's no known way to make the CPU models identical. If the -# special property name "type" is included, the models are by -# definition not identical and cannot be made identical. -# -# Since: 2.8 -## -{ 'struct': 'CpuModelCompareInfo', - 'data': { 'result': 'CpuModelCompareResult', - 'responsible-properties': ['str'] }, - 'if': 'TARGET_S390X' } - -## -# @query-cpu-model-comparison: -# -# Compares two CPU models, @modela and @modelb, returning how they -# compare in a specific configuration. The results indicates how -# both models compare regarding runnability. This result can be -# used by tooling to make decisions if a certain CPU model will -# run in a certain configuration or if a compatible CPU model has -# to be created by baselining. -# -# Usually, a CPU model is compared against the maximum possible CPU -# model of a certain configuration (e.g. the "host" model for KVM). -# If that CPU model is identical or a subset, it will run in that -# configuration. -# -# The result returned by this command may be affected by: -# -# * QEMU version: CPU models may look different depending on the QEMU -# version. (Except for CPU models reported as "static" in -# query-cpu-definitions.) -# * machine-type: CPU model may look different depending on the -# machine-type. (Except for CPU models reported as "static" in -# query-cpu-definitions.) -# * machine options (including accelerator): in some architectures, -# CPU models may look different depending on machine and accelerator -# options. (Except for CPU models reported as "static" in -# query-cpu-definitions.) -# * "-cpu" arguments and global properties: arguments to the -cpu -# option and global properties may affect expansion of CPU models. -# Using query-cpu-model-expansion while using these is not advised. -# -# Some architectures may not support comparing CPU models. s390x -# supports comparing CPU models. -# -# @modela: description of the first CPU model to compare, referred to -# as "model A" in CpuModelCompareResult -# -# @modelb: description of the second CPU model to compare, referred to -# as "model B" in CpuModelCompareResult -# -# Returns: a CpuModelCompareInfo describing how both CPU models -# compare -# -# Errors: -# - if comparing CPU models is not supported -# - if a model cannot be used -# - if a model contains an unknown cpu definition name, unknown -# properties or properties with wrong types. -# -# .. note:: This command isn't specific to s390x, but is only -# implemented on this architecture currently. -# -# Since: 2.8 -## -{ 'command': 'query-cpu-model-comparison', - 'data': { 'modela': 'CpuModelInfo', 'modelb': 'CpuModelInfo' }, - 'returns': 'CpuModelCompareInfo', - 'if': 'TARGET_S390X' } - -## -# @query-cpu-model-baseline: -# -# Baseline two CPU models, @modela and @modelb, creating a compatible -# third model. The created model will always be a static, -# migration-safe CPU model (see "static" CPU model expansion for -# details). -# -# This interface can be used by tooling to create a compatible CPU -# model out two CPU models. The created CPU model will be identical -# to or a subset of both CPU models when comparing them. Therefore, -# the created CPU model is guaranteed to run where the given CPU -# models run. -# -# The result returned by this command may be affected by: -# -# * QEMU version: CPU models may look different depending on the QEMU -# version. (Except for CPU models reported as "static" in -# query-cpu-definitions.) -# * machine-type: CPU model may look different depending on the -# machine-type. (Except for CPU models reported as "static" in -# query-cpu-definitions.) -# * machine options (including accelerator): in some architectures, -# CPU models may look different depending on machine and accelerator -# options. (Except for CPU models reported as "static" in -# query-cpu-definitions.) -# * "-cpu" arguments and global properties: arguments to the -cpu -# option and global properties may affect expansion of CPU models. -# Using query-cpu-model-expansion while using these is not advised. -# -# Some architectures may not support baselining CPU models. s390x -# supports baselining CPU models. -# -# @modela: description of the first CPU model to baseline -# -# @modelb: description of the second CPU model to baseline -# -# Returns: a CpuModelBaselineInfo describing the baselined CPU model -# -# Errors: -# - if baselining CPU models is not supported -# - if a model cannot be used -# - if a model contains an unknown cpu definition name, unknown -# properties or properties with wrong types. -# -# .. note:: This command isn't specific to s390x, but is only -# implemented on this architecture currently. -# -# Since: 2.8 -## -{ 'command': 'query-cpu-model-baseline', - 'data': { 'modela': 'CpuModelInfo', - 'modelb': 'CpuModelInfo' }, - 'returns': 'CpuModelBaselineInfo', - 'if': 'TARGET_S390X' } - -## -# @CpuModelExpansionInfo: -# -# The result of a cpu model expansion. -# -# @model: the expanded CpuModelInfo. -# -# @deprecated-props: an optional list of properties that are flagged as -# deprecated by the CPU vendor. The list depends on the -# CpuModelExpansionType: "static" properties are a subset of the -# enabled-properties for the expanded model; "full" properties are -# a set of properties that are deprecated across all models for -# the architecture. (since: 10.1 -- since 9.1 on s390x --). -# -# Since: 2.8 -## -{ 'struct': 'CpuModelExpansionInfo', - 'data': { 'model': 'CpuModelInfo', - '*deprecated-props' : { 'type': ['str'] } }, - 'if': { 'any': [ 'TARGET_S390X', - 'TARGET_I386', - 'TARGET_ARM', - 'TARGET_LOONGARCH64', - 'TARGET_RISCV' ] } } - -## -# @query-cpu-model-expansion: -# -# Expands a given CPU model, @model, (or a combination of CPU model + -# additional options) to different granularities, specified by @type, -# allowing tooling to get an understanding what a specific CPU model -# looks like in QEMU under a certain configuration. -# -# This interface can be used to query the "host" CPU model. -# -# The data returned by this command may be affected by: -# -# * QEMU version: CPU models may look different depending on the QEMU -# version. (Except for CPU models reported as "static" in -# query-cpu-definitions.) -# * machine-type: CPU model may look different depending on the -# machine-type. (Except for CPU models reported as "static" in -# query-cpu-definitions.) -# * machine options (including accelerator): in some architectures, -# CPU models may look different depending on machine and accelerator -# options. (Except for CPU models reported as "static" in -# query-cpu-definitions.) -# * "-cpu" arguments and global properties: arguments to the -cpu -# option and global properties may affect expansion of CPU models. -# Using query-cpu-model-expansion while using these is not advised. -# -# Some architectures may not support all expansion types. s390x -# supports "full" and "static". Arm only supports "full". -# -# @model: description of the CPU model to expand -# -# @type: expansion type, specifying how to expand the CPU model -# -# Returns: a CpuModelExpansionInfo describing the expanded CPU model -# -# Errors: -# - if expanding CPU models is not supported -# - if the model cannot be expanded -# - if the model contains an unknown CPU definition name, unknown -# properties or properties with a wrong type -# - if an expansion type is not supported -# -# Since: 2.8 -## -{ 'command': 'query-cpu-model-expansion', - 'data': { 'type': 'CpuModelExpansionType', - 'model': 'CpuModelInfo' }, - 'returns': 'CpuModelExpansionInfo', - 'if': { 'any': [ 'TARGET_S390X', - 'TARGET_I386', - 'TARGET_ARM', - 'TARGET_LOONGARCH64', - 'TARGET_RISCV' ] } } - -## -# @CpuDefinitionInfo: -# -# Virtual CPU definition. -# -# @name: the name of the CPU definition -# -# @migration-safe: whether a CPU definition can be safely used for -# migration in combination with a QEMU compatibility machine when -# migrating between different QEMU versions and between hosts with -# different sets of (hardware or software) capabilities. If not -# provided, information is not available and callers should not -# assume the CPU definition to be migration-safe. (since 2.8) -# -# @static: whether a CPU definition is static and will not change -# depending on QEMU version, machine type, machine options and -# accelerator options. A static model is always migration-safe. -# (since 2.8) -# -# @unavailable-features: List of properties that prevent the CPU model -# from running in the current host. (since 2.8) -# -# @typename: Type name that can be used as argument to -# @device-list-properties, to introspect properties configurable -# using -cpu or -global. (since 2.9) -# -# @alias-of: Name of CPU model this model is an alias for. The target -# of the CPU model alias may change depending on the machine type. -# Management software is supposed to translate CPU model aliases -# in the VM configuration, because aliases may stop being -# migration-safe in the future (since 4.1) -# -# @deprecated: If true, this CPU model is deprecated and may be -# removed in some future version of QEMU according to the QEMU -# deprecation policy. (since 5.2) -# -# @unavailable-features is a list of QOM property names that represent -# CPU model attributes that prevent the CPU from running. If the QOM -# property is read-only, that means there's no known way to make the -# CPU model run in the current host. Implementations that choose not -# to provide specific information return the property name "type". If -# the property is read-write, it means that it MAY be possible to run -# the CPU model in the current host if that property is changed. -# Management software can use it as hints to suggest or choose an -# alternative for the user, or just to generate meaningful error -# messages explaining why the CPU model can't be used. If -# @unavailable-features is an empty list, the CPU model is runnable -# using the current host and machine-type. If @unavailable-features -# is not present, runnability information for the CPU is not -# available. -# -# Since: 1.2 -## -{ 'struct': 'CpuDefinitionInfo', - 'data': { 'name': 'str', - '*migration-safe': 'bool', - 'static': 'bool', - '*unavailable-features': [ 'str' ], - 'typename': 'str', - '*alias-of' : 'str', - 'deprecated' : 'bool' }, - 'if': { 'any': [ 'TARGET_PPC', - 'TARGET_ARM', - 'TARGET_I386', - 'TARGET_S390X', - 'TARGET_MIPS', - 'TARGET_LOONGARCH64', - 'TARGET_RISCV' ] } } - -## -# @query-cpu-definitions: -# -# Return a list of supported virtual CPU definitions -# -# Returns: a list of CpuDefinitionInfo -# -# Since: 1.2 -## -{ 'command': 'query-cpu-definitions', 'returns': ['CpuDefinitionInfo'], - 'if': { 'any': [ 'TARGET_PPC', - 'TARGET_ARM', - 'TARGET_I386', - 'TARGET_S390X', - 'TARGET_MIPS', - 'TARGET_LOONGARCH64', - 'TARGET_RISCV' ] } } - -## -# @S390CpuPolarization: -# -# An enumeration of CPU polarization that can be assumed by a virtual -# S390 CPU -# -# Since: 8.2 -## -{ 'enum': 'S390CpuPolarization', - 'data': [ 'horizontal', 'vertical' ], - 'if': 'TARGET_S390X' -} - -## -# @set-cpu-topology: -# -# Modify the topology by moving the CPU inside the topology tree, or -# by changing a modifier attribute of a CPU. Absent values will not -# be modified. -# -# @core-id: the vCPU ID to be moved -# -# @socket-id: destination socket to move the vCPU to -# -# @book-id: destination book to move the vCPU to -# -# @drawer-id: destination drawer to move the vCPU to -# -# @entitlement: entitlement to set -# -# @dedicated: whether the provisioning of real to virtual CPU is -# dedicated -# -# Features: -# -# @unstable: This command is experimental. -# -# Since: 8.2 -## -{ 'command': 'set-cpu-topology', - 'data': { - 'core-id': 'uint16', - '*socket-id': 'uint16', - '*book-id': 'uint16', - '*drawer-id': 'uint16', - '*entitlement': 'S390CpuEntitlement', - '*dedicated': 'bool' - }, - 'features': [ 'unstable' ], - 'if': { 'all': [ 'TARGET_S390X' , 'CONFIG_KVM' ] } -} - -## -# @CPU_POLARIZATION_CHANGE: -# -# Emitted when the guest asks to change the polarization. -# -# The guest can tell the host (via the PTF instruction) whether the -# CPUs should be provisioned using horizontal or vertical -# polarization. -# -# On horizontal polarization the host is expected to provision all -# vCPUs equally. -# -# On vertical polarization the host can provision each vCPU -# differently. The guest will get information on the details of the -# provisioning the next time it uses the STSI(15) instruction. -# -# @polarization: polarization specified by the guest -# -# Features: -# -# @unstable: This event is experimental. -# -# Since: 8.2 -# -# .. qmp-example:: -# -# <- { "event": "CPU_POLARIZATION_CHANGE", -# "data": { "polarization": "horizontal" }, -# "timestamp": { "seconds": 1401385907, "microseconds": 422329 } } -## -{ 'event': 'CPU_POLARIZATION_CHANGE', - 'data': { 'polarization': 'S390CpuPolarization' }, - 'features': [ 'unstable' ], - 'if': { 'all': [ 'TARGET_S390X', 'CONFIG_KVM' ] } -} - -## -# @CpuPolarizationInfo: -# -# The result of a CPU polarization query. -# -# @polarization: the CPU polarization -# -# Since: 8.2 -## -{ 'struct': 'CpuPolarizationInfo', - 'data': { 'polarization': 'S390CpuPolarization' }, - 'if': { 'all': [ 'TARGET_S390X', 'CONFIG_KVM' ] } -} - -## -# @query-s390x-cpu-polarization: -# -# Features: -# -# @unstable: This command is experimental. -# -# Returns: the machine's CPU polarization -# -# Since: 8.2 -## -{ 'command': 'query-s390x-cpu-polarization', 'returns': 'CpuPolarizationInfo', - 'features': [ 'unstable' ], - 'if': { 'all': [ 'TARGET_S390X', 'CONFIG_KVM' ] } -} diff --git a/qapi/machine.json b/qapi/machine.json index c8feb9fe17b..a357604e6d1 100644 --- a/qapi/machine.json +++ b/qapi/machine.json @@ -1916,3 +1916,366 @@ ## { 'command': 'dump-skeys', 'data': { 'filename': 'str' } } + +## +# @CpuModelInfo: +# +# Virtual CPU model. +# +# A CPU model consists of the name of a CPU definition, to which delta +# changes are applied (e.g. features added/removed). Most magic +# values that an architecture might require should be hidden behind +# the name. However, if required, architectures can expose relevant +# properties. +# +# @name: the name of the CPU definition the model is based on +# +# @props: a dictionary of QOM properties to be applied +# +# Since: 2.8 +## +{ 'struct': 'CpuModelInfo', + 'data': { 'name': 'str', + '*props': 'any' } } + +## +# @CpuModelExpansionType: +# +# An enumeration of CPU model expansion types. +# +# @static: Expand to a static CPU model, a combination of a static +# base model name and property delta changes. As the static base +# model will never change, the expanded CPU model will be the +# same, independent of QEMU version, machine type, machine +# options, and accelerator options. Therefore, the resulting +# model can be used by tooling without having to specify a +# compatibility machine - e.g. when displaying the "host" model. +# The @static CPU models are migration-safe. +# +# @full: Expand all properties. The produced model is not guaranteed +# to be migration-safe, but allows tooling to get an insight and +# work with model details. +# +# .. note:: When a non-migration-safe CPU model is expanded in static +# mode, some features enabled by the CPU model may be omitted, +# because they can't be implemented by a static CPU model +# definition (e.g. cache info passthrough and PMU passthrough in +# x86). If you need an accurate representation of the features +# enabled by a non-migration-safe CPU model, use @full. If you +# need a static representation that will keep ABI compatibility +# even when changing QEMU version or machine-type, use @static (but +# keep in mind that some features may be omitted). +# +# Since: 2.8 +## +{ 'enum': 'CpuModelExpansionType', + 'data': [ 'static', 'full' ] } + +## +# @CpuModelCompareResult: +# +# An enumeration of CPU model comparison results. The result is +# usually calculated using e.g. CPU features or CPU generations. +# +# @incompatible: If model A is incompatible to model B, model A is not +# guaranteed to run where model B runs and the other way around. +# +# @identical: If model A is identical to model B, model A is +# guaranteed to run where model B runs and the other way around. +# +# @superset: If model A is a superset of model B, model B is +# guaranteed to run where model A runs. There are no guarantees +# about the other way. +# +# @subset: If model A is a subset of model B, model A is guaranteed to +# run where model B runs. There are no guarantees about the other +# way. +# +# Since: 2.8 +## +{ 'enum': 'CpuModelCompareResult', + 'data': [ 'incompatible', 'identical', 'superset', 'subset' ] } + +## +# @CpuModelBaselineInfo: +# +# The result of a CPU model baseline. +# +# @model: the baselined CpuModelInfo. +# +# Since: 2.8 +## +{ 'struct': 'CpuModelBaselineInfo', + 'data': { 'model': 'CpuModelInfo' } } + +## +# @CpuModelCompareInfo: +# +# The result of a CPU model comparison. +# +# @result: The result of the compare operation. +# +# @responsible-properties: List of properties that led to the +# comparison result not being identical. +# +# @responsible-properties is a list of QOM property names that led to +# both CPUs not being detected as identical. For identical models, +# this list is empty. If a QOM property is read-only, that means +# there's no known way to make the CPU models identical. If the +# special property name "type" is included, the models are by +# definition not identical and cannot be made identical. +# +# Since: 2.8 +## +{ 'struct': 'CpuModelCompareInfo', + 'data': { 'result': 'CpuModelCompareResult', + 'responsible-properties': ['str'] } } + +## +# @query-cpu-model-comparison: +# +# Compares two CPU models, @modela and @modelb, returning how they +# compare in a specific configuration. The results indicates how +# both models compare regarding runnability. This result can be +# used by tooling to make decisions if a certain CPU model will +# run in a certain configuration or if a compatible CPU model has +# to be created by baselining. +# +# Usually, a CPU model is compared against the maximum possible CPU +# model of a certain configuration (e.g. the "host" model for KVM). +# If that CPU model is identical or a subset, it will run in that +# configuration. +# +# The result returned by this command may be affected by: +# +# * QEMU version: CPU models may look different depending on the QEMU +# version. (Except for CPU models reported as "static" in +# query-cpu-definitions.) +# * machine-type: CPU model may look different depending on the +# machine-type. (Except for CPU models reported as "static" in +# query-cpu-definitions.) +# * machine options (including accelerator): in some architectures, +# CPU models may look different depending on machine and accelerator +# options. (Except for CPU models reported as "static" in +# query-cpu-definitions.) +# * "-cpu" arguments and global properties: arguments to the -cpu +# option and global properties may affect expansion of CPU models. +# Using query-cpu-model-expansion while using these is not advised. +# +# Some architectures may not support comparing CPU models. s390x +# supports comparing CPU models. +# +# @modela: description of the first CPU model to compare, referred to +# as "model A" in CpuModelCompareResult +# +# @modelb: description of the second CPU model to compare, referred to +# as "model B" in CpuModelCompareResult +# +# Returns: a CpuModelCompareInfo describing how both CPU models +# compare +# +# Errors: +# - if comparing CPU models is not supported by the target +# - if a model cannot be used +# - if a model contains an unknown cpu definition name, unknown +# properties or properties with wrong types. +# +# Since: 2.8 +## +{ 'command': 'query-cpu-model-comparison', + 'data': { 'modela': 'CpuModelInfo', 'modelb': 'CpuModelInfo' }, + 'returns': 'CpuModelCompareInfo' } + +## +# @query-cpu-model-baseline: +# +# Baseline two CPU models, @modela and @modelb, creating a compatible +# third model. The created model will always be a static, +# migration-safe CPU model (see "static" CPU model expansion for +# details). +# +# This interface can be used by tooling to create a compatible CPU +# model out two CPU models. The created CPU model will be identical +# to or a subset of both CPU models when comparing them. Therefore, +# the created CPU model is guaranteed to run where the given CPU +# models run. +# +# The result returned by this command may be affected by: +# +# * QEMU version: CPU models may look different depending on the QEMU +# version. (Except for CPU models reported as "static" in +# query-cpu-definitions.) +# * machine-type: CPU model may look different depending on the +# machine-type. (Except for CPU models reported as "static" in +# query-cpu-definitions.) +# * machine options (including accelerator): in some architectures, +# CPU models may look different depending on machine and accelerator +# options. (Except for CPU models reported as "static" in +# query-cpu-definitions.) +# * "-cpu" arguments and global properties: arguments to the -cpu +# option and global properties may affect expansion of CPU models. +# Using query-cpu-model-expansion while using these is not advised. +# +# Some architectures may not support baselining CPU models. s390x +# supports baselining CPU models. +# +# @modela: description of the first CPU model to baseline +# +# @modelb: description of the second CPU model to baseline +# +# Returns: a CpuModelBaselineInfo describing the baselined CPU model +# +# Errors: +# - if baselining CPU models is not supported by the target +# - if a model cannot be used +# - if a model contains an unknown cpu definition name, unknown +# properties or properties with wrong types. +# +# Since: 2.8 +## +{ 'command': 'query-cpu-model-baseline', + 'data': { 'modela': 'CpuModelInfo', + 'modelb': 'CpuModelInfo' }, + 'returns': 'CpuModelBaselineInfo' } + +## +# @CpuModelExpansionInfo: +# +# The result of a cpu model expansion. +# +# @model: the expanded CpuModelInfo. +# +# @deprecated-props: an optional list of properties that are flagged as +# deprecated by the CPU vendor. The list depends on the +# CpuModelExpansionType: "static" properties are a subset of the +# enabled-properties for the expanded model; "full" properties are +# a set of properties that are deprecated across all models for +# the architecture. (since: 10.1 -- since 9.1 on s390x --). +# +# Since: 2.8 +## +{ 'struct': 'CpuModelExpansionInfo', + 'data': { 'model': 'CpuModelInfo', + '*deprecated-props' : { 'type': ['str'] } } } + +## +# @query-cpu-model-expansion: +# +# Expands a given CPU model, @model, (or a combination of CPU model + +# additional options) to different granularities, specified by @type, +# allowing tooling to get an understanding what a specific CPU model +# looks like in QEMU under a certain configuration. +# +# This interface can be used to query the "host" CPU model. +# +# The data returned by this command may be affected by: +# +# * QEMU version: CPU models may look different depending on the QEMU +# version. (Except for CPU models reported as "static" in +# query-cpu-definitions.) +# * machine-type: CPU model may look different depending on the +# machine-type. (Except for CPU models reported as "static" in +# query-cpu-definitions.) +# * machine options (including accelerator): in some architectures, +# CPU models may look different depending on machine and accelerator +# options. (Except for CPU models reported as "static" in +# query-cpu-definitions.) +# * "-cpu" arguments and global properties: arguments to the -cpu +# option and global properties may affect expansion of CPU models. +# Using query-cpu-model-expansion while using these is not advised. +# +# Some architectures may not support all expansion types. s390x +# supports "full" and "static". Arm only supports "full". +# +# @model: description of the CPU model to expand +# +# @type: expansion type, specifying how to expand the CPU model +# +# Returns: a CpuModelExpansionInfo describing the expanded CPU model +# +# Errors: +# - if expanding CPU models is not supported +# - if the model cannot be expanded +# - if the model contains an unknown CPU definition name, unknown +# properties or properties with a wrong type +# - if an expansion type is not supported +# +# Since: 2.8 +## +{ 'command': 'query-cpu-model-expansion', + 'data': { 'type': 'CpuModelExpansionType', + 'model': 'CpuModelInfo' }, + 'returns': 'CpuModelExpansionInfo' } + +## +# @CpuDefinitionInfo: +# +# Virtual CPU definition. +# +# @name: the name of the CPU definition +# +# @migration-safe: whether a CPU definition can be safely used for +# migration in combination with a QEMU compatibility machine when +# migrating between different QEMU versions and between hosts with +# different sets of (hardware or software) capabilities. If not +# provided, information is not available and callers should not +# assume the CPU definition to be migration-safe. (since 2.8) +# +# @static: whether a CPU definition is static and will not change +# depending on QEMU version, machine type, machine options and +# accelerator options. A static model is always migration-safe. +# (since 2.8) +# +# @unavailable-features: List of properties that prevent the CPU model +# from running in the current host. (since 2.8) +# +# @typename: Type name that can be used as argument to +# @device-list-properties, to introspect properties configurable +# using -cpu or -global. (since 2.9) +# +# @alias-of: Name of CPU model this model is an alias for. The target +# of the CPU model alias may change depending on the machine type. +# Management software is supposed to translate CPU model aliases +# in the VM configuration, because aliases may stop being +# migration-safe in the future (since 4.1) +# +# @deprecated: If true, this CPU model is deprecated and may be +# removed in some future version of QEMU according to the QEMU +# deprecation policy. (since 5.2) +# +# @unavailable-features is a list of QOM property names that represent +# CPU model attributes that prevent the CPU from running. If the QOM +# property is read-only, that means there's no known way to make the +# CPU model run in the current host. Implementations that choose not +# to provide specific information return the property name "type". If +# the property is read-write, it means that it MAY be possible to run +# the CPU model in the current host if that property is changed. +# Management software can use it as hints to suggest or choose an +# alternative for the user, or just to generate meaningful error +# messages explaining why the CPU model can't be used. If +# @unavailable-features is an empty list, the CPU model is runnable +# using the current host and machine-type. If @unavailable-features +# is not present, runnability information for the CPU is not +# available. +# +# Since: 1.2 +## +{ 'struct': 'CpuDefinitionInfo', + 'data': { 'name': 'str', + '*migration-safe': 'bool', + 'static': 'bool', + '*unavailable-features': [ 'str' ], + 'typename': 'str', + '*alias-of' : 'str', + 'deprecated' : 'bool' } } + +## +# @query-cpu-definitions: +# +# Return a list of supported virtual CPU definitions +# +# Returns: a list of CpuDefinitionInfo +# +# Since: 1.2 +## +{ 'command': 'query-cpu-definitions', 'returns': ['CpuDefinitionInfo'] } diff --git a/stubs/monitor-cpu-s390x.c b/stubs/monitor-cpu-s390x.c new file mode 100644 index 00000000000..71e794482b5 --- /dev/null +++ b/stubs/monitor-cpu-s390x.c @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + +#include "qemu/osdep.h" +#include "qapi/error.h" +#include "qapi/qapi-commands-machine.h" + +CpuModelCompareInfo * +qmp_query_cpu_model_comparison(CpuModelInfo *infoa, + CpuModelInfo *infob, + Error **errp) +{ + error_setg(errp, "CPU model comparison is not supported on this target"); + return NULL; +} + +CpuModelBaselineInfo * +qmp_query_cpu_model_baseline(CpuModelInfo *infoa, + CpuModelInfo *infob, + Error **errp) +{ + error_setg(errp, "CPU model baseline is not supported on this target"); + return NULL; +} diff --git a/stubs/monitor-cpu.c b/stubs/monitor-cpu.c new file mode 100644 index 00000000000..a8c7ee89b9d --- /dev/null +++ b/stubs/monitor-cpu.c @@ -0,0 +1,21 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + +#include "qemu/osdep.h" +#include "qapi/error.h" +#include "qapi/qapi-commands-machine.h" + +CpuModelExpansionInfo * +qmp_query_cpu_model_expansion(CpuModelExpansionType type, + CpuModelInfo *model, + Error **errp) +{ + error_setg(errp, "CPU model expansion is not supported on this target"); + return NULL; +} + +CpuDefinitionInfoList * +qmp_query_cpu_definitions(Error **errp) +{ + error_setg(errp, "CPU model definitions are not supported on this target"); + return NULL; +} diff --git a/target/arm/arm-qmp-cmds.c b/target/arm/arm-qmp-cmds.c index ef18c867ca4..cca6b9722b2 100644 --- a/target/arm/arm-qmp-cmds.c +++ b/target/arm/arm-qmp-cmds.c @@ -26,7 +26,7 @@ #include "qapi/error.h" #include "qapi/visitor.h" #include "qapi/qobject-input-visitor.h" -#include "qapi/qapi-commands-machine-target.h" +#include "qapi/qapi-commands-machine.h" #include "qapi/qapi-commands-misc-arm.h" #include "qobject/qdict.h" #include "qom/qom-qobject.h" diff --git a/target/i386/cpu-system.c b/target/i386/cpu-system.c index 55f192e8193..b1494aa6740 100644 --- a/target/i386/cpu-system.c +++ b/target/i386/cpu-system.c @@ -24,7 +24,7 @@ #include "qobject/qdict.h" #include "qapi/qobject-input-visitor.h" #include "qom/qom-qobject.h" -#include "qapi/qapi-commands-machine-target.h" +#include "qapi/qapi-commands-machine.h" #include "cpu-internal.h" diff --git a/target/i386/cpu.c b/target/i386/cpu.c index ec908d7d360..91f89919487 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -38,7 +38,7 @@ #include "exec/watchpoint.h" #ifndef CONFIG_USER_ONLY #include "system/reset.h" -#include "qapi/qapi-commands-machine-target.h" +#include "qapi/qapi-commands-machine.h" #include "system/address-spaces.h" #include "hw/boards.h" #include "hw/i386/sgx-epc.h" diff --git a/target/loongarch/loongarch-qmp-cmds.c b/target/loongarch/loongarch-qmp-cmds.c index 6f732d80f3f..f5f1cd0009d 100644 --- a/target/loongarch/loongarch-qmp-cmds.c +++ b/target/loongarch/loongarch-qmp-cmds.c @@ -8,7 +8,7 @@ #include "qemu/osdep.h" #include "qapi/error.h" -#include "qapi/qapi-commands-machine-target.h" +#include "qapi/qapi-commands-machine.h" #include "cpu.h" #include "qobject/qdict.h" #include "qapi/qobject-input-visitor.h" diff --git a/target/mips/system/mips-qmp-cmds.c b/target/mips/system/mips-qmp-cmds.c index 7340ac70ba0..d98d6623f2f 100644 --- a/target/mips/system/mips-qmp-cmds.c +++ b/target/mips/system/mips-qmp-cmds.c @@ -7,9 +7,19 @@ */ #include "qemu/osdep.h" -#include "qapi/qapi-commands-machine-target.h" +#include "qapi/error.h" +#include "qapi/qapi-commands-machine.h" #include "cpu.h" +CpuModelExpansionInfo * +qmp_query_cpu_model_expansion(CpuModelExpansionType type, + CpuModelInfo *model, + Error **errp) +{ + error_setg(errp, "CPU model expansion is not supported on this target"); + return NULL; +} + static void mips_cpu_add_definition(gpointer data, gpointer user_data) { ObjectClass *oc = data; diff --git a/target/ppc/ppc-qmp-cmds.c b/target/ppc/ppc-qmp-cmds.c index a25d86a8d19..7022564604f 100644 --- a/target/ppc/ppc-qmp-cmds.c +++ b/target/ppc/ppc-qmp-cmds.c @@ -28,7 +28,8 @@ #include "qemu/ctype.h" #include "monitor/hmp-target.h" #include "monitor/hmp.h" -#include "qapi/qapi-commands-machine-target.h" +#include "qapi/error.h" +#include "qapi/qapi-commands-machine.h" #include "cpu-models.h" #include "cpu-qom.h" @@ -175,6 +176,15 @@ int target_get_monitor_def(CPUState *cs, const char *name, uint64_t *pval) return -EINVAL; } +CpuModelExpansionInfo * +qmp_query_cpu_model_expansion(CpuModelExpansionType type, + CpuModelInfo *model, + Error **errp) +{ + error_setg(errp, "CPU model expansion is not supported on this target"); + return NULL; +} + static void ppc_cpu_defs_entry(gpointer data, gpointer user_data) { ObjectClass *oc = data; diff --git a/target/riscv/riscv-qmp-cmds.c b/target/riscv/riscv-qmp-cmds.c index d0a324364dd..8ba8aa0d5f8 100644 --- a/target/riscv/riscv-qmp-cmds.c +++ b/target/riscv/riscv-qmp-cmds.c @@ -25,7 +25,7 @@ #include "qemu/osdep.h" #include "qapi/error.h" -#include "qapi/qapi-commands-machine-target.h" +#include "qapi/qapi-commands-machine.h" #include "qobject/qbool.h" #include "qobject/qdict.h" #include "qapi/qobject-input-visitor.h" diff --git a/target/s390x/cpu_models_system.c b/target/s390x/cpu_models_system.c index 4351182f720..9d84faa3c9e 100644 --- a/target/s390x/cpu_models_system.c +++ b/target/s390x/cpu_models_system.c @@ -19,7 +19,7 @@ #include "qapi/visitor.h" #include "qapi/qobject-input-visitor.h" #include "qobject/qdict.h" -#include "qapi/qapi-commands-machine-target.h" +#include "qapi/qapi-commands-machine.h" static void list_add_feat(const char *name, void *opaque); diff --git a/stubs/meson.build b/stubs/meson.build index 0ef11976a2f..3b2fad0824f 100644 --- a/stubs/meson.build +++ b/stubs/meson.build @@ -82,6 +82,8 @@ if have_system stub_ss.add(files('monitor-i386-sev.c')) stub_ss.add(files('monitor-i386-sgx.c')) stub_ss.add(files('monitor-i386-xen.c')) + stub_ss.add(files('monitor-cpu.c')) + stub_ss.add(files('monitor-cpu-s390x.c')) endif if have_system or have_user

[09/12] qapi: make most CPU commands unconditionally available

Commit Message

Patch