71ad4713cc
The thread pool regulates itself: when idle, it kills threads until empty, when in demand, it creates new threads until full. This behaviour doesn't play well with latency sensitive workloads where the price of creating a new thread is too high. For example, when paired with qemu's '-mlock', or using safety features like SafeStack, creating a new thread has been measured take multiple milliseconds. In order to mitigate this let's introduce a new 'EventLoopBase' property to set the thread pool size. The threads will be created during the pool's initialization or upon updating the property's value, remain available during its lifetime regardless of demand, and destroyed upon freeing it. A properly characterized workload will then be able to configure the pool to avoid any latency spikes. Signed-off-by: Nicolas Saenz Julienne <nsaenzju@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Acked-by: Markus Armbruster <armbru@redhat.com> Message-id: 20220425075723.20019-4-nsaenzju@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
985 lines
29 KiB
Python
985 lines
29 KiB
Python
# -*- Mode: Python -*-
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# vim: filetype=python
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#
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# This work is licensed under the terms of the GNU GPL, version 2 or later.
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# See the COPYING file in the top-level directory.
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{ 'include': 'authz.json' }
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{ 'include': 'block-core.json' }
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{ 'include': 'common.json' }
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{ 'include': 'crypto.json' }
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##
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# = QEMU Object Model (QOM)
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##
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##
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# @ObjectPropertyInfo:
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#
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# @name: the name of the property
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#
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# @type: the type of the property. This will typically come in one of four
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# forms:
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#
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# 1) A primitive type such as 'u8', 'u16', 'bool', 'str', or 'double'.
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# These types are mapped to the appropriate JSON type.
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#
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# 2) A child type in the form 'child<subtype>' where subtype is a qdev
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# device type name. Child properties create the composition tree.
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#
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# 3) A link type in the form 'link<subtype>' where subtype is a qdev
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# device type name. Link properties form the device model graph.
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#
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# @description: if specified, the description of the property.
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#
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# @default-value: the default value, if any (since 5.0)
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#
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# Since: 1.2
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##
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{ 'struct': 'ObjectPropertyInfo',
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'data': { 'name': 'str',
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'type': 'str',
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'*description': 'str',
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'*default-value': 'any' } }
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##
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# @qom-list:
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#
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# This command will list any properties of a object given a path in the object
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# model.
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#
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# @path: the path within the object model. See @qom-get for a description of
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# this parameter.
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#
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# Returns: a list of @ObjectPropertyInfo that describe the properties of the
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# object.
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#
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# Since: 1.2
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#
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# Example:
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#
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# -> { "execute": "qom-list",
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# "arguments": { "path": "/chardevs" } }
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# <- { "return": [ { "name": "type", "type": "string" },
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# { "name": "parallel0", "type": "child<chardev-vc>" },
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# { "name": "serial0", "type": "child<chardev-vc>" },
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# { "name": "mon0", "type": "child<chardev-stdio>" } ] }
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#
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##
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{ 'command': 'qom-list',
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'data': { 'path': 'str' },
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'returns': [ 'ObjectPropertyInfo' ],
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'allow-preconfig': true }
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##
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# @qom-get:
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#
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# This command will get a property from a object model path and return the
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# value.
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#
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# @path: The path within the object model. There are two forms of supported
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# paths--absolute and partial paths.
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#
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# Absolute paths are derived from the root object and can follow child<>
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# or link<> properties. Since they can follow link<> properties, they
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# can be arbitrarily long. Absolute paths look like absolute filenames
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# and are prefixed with a leading slash.
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#
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# Partial paths look like relative filenames. They do not begin
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# with a prefix. The matching rules for partial paths are subtle but
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# designed to make specifying objects easy. At each level of the
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# composition tree, the partial path is matched as an absolute path.
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# The first match is not returned. At least two matches are searched
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# for. A successful result is only returned if only one match is
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# found. If more than one match is found, a flag is return to
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# indicate that the match was ambiguous.
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#
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# @property: The property name to read
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#
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# Returns: The property value. The type depends on the property
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# type. child<> and link<> properties are returned as #str
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# pathnames. All integer property types (u8, u16, etc) are
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# returned as #int.
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#
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# Since: 1.2
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#
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# Example:
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#
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# 1. Use absolute path
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#
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# -> { "execute": "qom-get",
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# "arguments": { "path": "/machine/unattached/device[0]",
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# "property": "hotplugged" } }
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# <- { "return": false }
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#
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# 2. Use partial path
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#
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# -> { "execute": "qom-get",
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# "arguments": { "path": "unattached/sysbus",
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# "property": "type" } }
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# <- { "return": "System" }
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#
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##
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{ 'command': 'qom-get',
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'data': { 'path': 'str', 'property': 'str' },
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'returns': 'any',
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'allow-preconfig': true }
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##
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# @qom-set:
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#
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# This command will set a property from a object model path.
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#
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# @path: see @qom-get for a description of this parameter
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#
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# @property: the property name to set
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#
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# @value: a value who's type is appropriate for the property type. See @qom-get
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# for a description of type mapping.
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#
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# Since: 1.2
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#
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# Example:
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#
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# -> { "execute": "qom-set",
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# "arguments": { "path": "/machine",
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# "property": "graphics",
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# "value": false } }
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# <- { "return": {} }
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#
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##
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{ 'command': 'qom-set',
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'data': { 'path': 'str', 'property': 'str', 'value': 'any' },
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'allow-preconfig': true }
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##
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# @ObjectTypeInfo:
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#
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# This structure describes a search result from @qom-list-types
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#
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# @name: the type name found in the search
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#
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# @abstract: the type is abstract and can't be directly instantiated.
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# Omitted if false. (since 2.10)
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#
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# @parent: Name of parent type, if any (since 2.10)
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#
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# Since: 1.1
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##
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{ 'struct': 'ObjectTypeInfo',
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'data': { 'name': 'str', '*abstract': 'bool', '*parent': 'str' } }
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##
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# @qom-list-types:
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#
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# This command will return a list of types given search parameters
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#
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# @implements: if specified, only return types that implement this type name
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#
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# @abstract: if true, include abstract types in the results
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#
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# Returns: a list of @ObjectTypeInfo or an empty list if no results are found
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#
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# Since: 1.1
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##
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{ 'command': 'qom-list-types',
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'data': { '*implements': 'str', '*abstract': 'bool' },
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'returns': [ 'ObjectTypeInfo' ],
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'allow-preconfig': true }
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##
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# @qom-list-properties:
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#
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# List properties associated with a QOM object.
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#
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# @typename: the type name of an object
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#
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# Note: objects can create properties at runtime, for example to describe
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# links between different devices and/or objects. These properties
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# are not included in the output of this command.
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#
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# Returns: a list of ObjectPropertyInfo describing object properties
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#
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# Since: 2.12
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##
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{ 'command': 'qom-list-properties',
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'data': { 'typename': 'str'},
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'returns': [ 'ObjectPropertyInfo' ],
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'allow-preconfig': true }
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##
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# @CanHostSocketcanProperties:
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#
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# Properties for can-host-socketcan objects.
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#
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# @if: interface name of the host system CAN bus to connect to
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#
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# @canbus: object ID of the can-bus object to connect to the host interface
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#
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# Since: 2.12
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##
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{ 'struct': 'CanHostSocketcanProperties',
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'data': { 'if': 'str',
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'canbus': 'str' } }
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##
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# @ColoCompareProperties:
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#
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# Properties for colo-compare objects.
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#
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# @primary_in: name of the character device backend to use for the primary
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# input (incoming packets are redirected to @outdev)
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#
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# @secondary_in: name of the character device backend to use for secondary
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# input (incoming packets are only compared to the input on
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# @primary_in and then dropped)
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#
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# @outdev: name of the character device backend to use for output
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#
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# @iothread: name of the iothread to run in
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#
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# @notify_dev: name of the character device backend to be used to communicate
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# with the remote colo-frame (only for Xen COLO)
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#
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# @compare_timeout: the maximum time to hold a packet from @primary_in for
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# comparison with an incoming packet on @secondary_in in
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# milliseconds (default: 3000)
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#
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# @expired_scan_cycle: the interval at which colo-compare checks whether
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# packets from @primary have timed out, in milliseconds
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# (default: 3000)
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#
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# @max_queue_size: the maximum number of packets to keep in the queue for
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# comparing with incoming packets from @secondary_in. If the
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# queue is full and additional packets are received, the
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# additional packets are dropped. (default: 1024)
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#
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# @vnet_hdr_support: if true, vnet header support is enabled (default: false)
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#
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# Since: 2.8
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##
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{ 'struct': 'ColoCompareProperties',
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'data': { 'primary_in': 'str',
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'secondary_in': 'str',
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'outdev': 'str',
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'iothread': 'str',
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'*notify_dev': 'str',
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'*compare_timeout': 'uint64',
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'*expired_scan_cycle': 'uint32',
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'*max_queue_size': 'uint32',
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'*vnet_hdr_support': 'bool' } }
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##
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# @CryptodevBackendProperties:
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#
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# Properties for cryptodev-backend and cryptodev-backend-builtin objects.
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#
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# @queues: the number of queues for the cryptodev backend. Ignored for
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# cryptodev-backend and must be 1 for cryptodev-backend-builtin.
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# (default: 1)
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#
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# Since: 2.8
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##
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{ 'struct': 'CryptodevBackendProperties',
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'data': { '*queues': 'uint32' } }
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##
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# @CryptodevVhostUserProperties:
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#
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# Properties for cryptodev-vhost-user objects.
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#
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# @chardev: the name of a Unix domain socket character device that connects to
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# the vhost-user server
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#
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# Since: 2.12
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##
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{ 'struct': 'CryptodevVhostUserProperties',
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'base': 'CryptodevBackendProperties',
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'data': { 'chardev': 'str' } }
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##
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# @DBusVMStateProperties:
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#
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# Properties for dbus-vmstate objects.
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#
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# @addr: the name of the DBus bus to connect to
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#
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# @id-list: a comma separated list of DBus IDs of helpers whose data should be
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# included in the VM state on migration
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#
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# Since: 5.0
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##
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{ 'struct': 'DBusVMStateProperties',
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'data': { 'addr': 'str' ,
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'*id-list': 'str' } }
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##
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# @NetfilterInsert:
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#
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# Indicates where to insert a netfilter relative to a given other filter.
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#
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# @before: insert before the specified filter
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#
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# @behind: insert behind the specified filter
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#
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# Since: 5.0
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##
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{ 'enum': 'NetfilterInsert',
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'data': [ 'before', 'behind' ] }
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##
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# @NetfilterProperties:
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#
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# Properties for objects of classes derived from netfilter.
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#
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# @netdev: id of the network device backend to filter
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#
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# @queue: indicates which queue(s) to filter (default: all)
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#
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# @status: indicates whether the filter is enabled ("on") or disabled ("off")
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# (default: "on")
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#
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# @position: specifies where the filter should be inserted in the filter list.
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# "head" means the filter is inserted at the head of the filter list,
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# before any existing filters.
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# "tail" means the filter is inserted at the tail of the filter list,
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# behind any existing filters (default).
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# "id=<id>" means the filter is inserted before or behind the filter
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# specified by <id>, depending on the @insert property.
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# (default: "tail")
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#
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# @insert: where to insert the filter relative to the filter given in @position.
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# Ignored if @position is "head" or "tail". (default: behind)
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#
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# Since: 2.5
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##
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{ 'struct': 'NetfilterProperties',
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'data': { 'netdev': 'str',
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'*queue': 'NetFilterDirection',
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'*status': 'str',
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'*position': 'str',
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'*insert': 'NetfilterInsert' } }
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##
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# @FilterBufferProperties:
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#
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# Properties for filter-buffer objects.
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#
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# @interval: a non-zero interval in microseconds. All packets arriving in the
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# given interval are delayed until the end of the interval.
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#
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# Since: 2.5
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##
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{ 'struct': 'FilterBufferProperties',
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'base': 'NetfilterProperties',
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'data': { 'interval': 'uint32' } }
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##
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# @FilterDumpProperties:
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#
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# Properties for filter-dump objects.
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#
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# @file: the filename where the dumped packets should be stored
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#
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# @maxlen: maximum number of bytes in a packet that are stored (default: 65536)
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#
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# Since: 2.5
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##
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{ 'struct': 'FilterDumpProperties',
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'base': 'NetfilterProperties',
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'data': { 'file': 'str',
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'*maxlen': 'uint32' } }
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##
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# @FilterMirrorProperties:
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#
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# Properties for filter-mirror objects.
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#
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# @outdev: the name of a character device backend to which all incoming packets
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# are mirrored
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#
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# @vnet_hdr_support: if true, vnet header support is enabled (default: false)
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#
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# Since: 2.6
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##
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{ 'struct': 'FilterMirrorProperties',
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'base': 'NetfilterProperties',
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'data': { 'outdev': 'str',
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'*vnet_hdr_support': 'bool' } }
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##
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# @FilterRedirectorProperties:
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#
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# Properties for filter-redirector objects.
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#
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# At least one of @indev or @outdev must be present. If both are present, they
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# must not refer to the same character device backend.
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#
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# @indev: the name of a character device backend from which packets are
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# received and redirected to the filtered network device
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#
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# @outdev: the name of a character device backend to which all incoming packets
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# are redirected
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#
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# @vnet_hdr_support: if true, vnet header support is enabled (default: false)
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#
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# Since: 2.6
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##
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{ 'struct': 'FilterRedirectorProperties',
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'base': 'NetfilterProperties',
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'data': { '*indev': 'str',
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'*outdev': 'str',
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'*vnet_hdr_support': 'bool' } }
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|
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|
##
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|
# @FilterRewriterProperties:
|
|
#
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# Properties for filter-rewriter objects.
|
|
#
|
|
# @vnet_hdr_support: if true, vnet header support is enabled (default: false)
|
|
#
|
|
# Since: 2.8
|
|
##
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|
{ 'struct': 'FilterRewriterProperties',
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'base': 'NetfilterProperties',
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'data': { '*vnet_hdr_support': 'bool' } }
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|
|
|
##
|
|
# @InputBarrierProperties:
|
|
#
|
|
# Properties for input-barrier objects.
|
|
#
|
|
# @name: the screen name as declared in the screens section of barrier.conf
|
|
#
|
|
# @server: hostname of the Barrier server (default: "localhost")
|
|
#
|
|
# @port: TCP port of the Barrier server (default: "24800")
|
|
#
|
|
# @x-origin: x coordinate of the leftmost pixel on the guest screen
|
|
# (default: "0")
|
|
#
|
|
# @y-origin: y coordinate of the topmost pixel on the guest screen
|
|
# (default: "0")
|
|
#
|
|
# @width: the width of secondary screen in pixels (default: "1920")
|
|
#
|
|
# @height: the height of secondary screen in pixels (default: "1080")
|
|
#
|
|
# Since: 4.2
|
|
##
|
|
{ 'struct': 'InputBarrierProperties',
|
|
'data': { 'name': 'str',
|
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'*server': 'str',
|
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'*port': 'str',
|
|
'*x-origin': 'str',
|
|
'*y-origin': 'str',
|
|
'*width': 'str',
|
|
'*height': 'str' } }
|
|
|
|
##
|
|
# @InputLinuxProperties:
|
|
#
|
|
# Properties for input-linux objects.
|
|
#
|
|
# @evdev: the path of the host evdev device to use
|
|
#
|
|
# @grab_all: if true, grab is toggled for all devices (e.g. both keyboard and
|
|
# mouse) instead of just one device (default: false)
|
|
#
|
|
# @repeat: enables auto-repeat events (default: false)
|
|
#
|
|
# @grab-toggle: the key or key combination that toggles device grab
|
|
# (default: ctrl-ctrl)
|
|
#
|
|
# Since: 2.6
|
|
##
|
|
{ 'struct': 'InputLinuxProperties',
|
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'data': { 'evdev': 'str',
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'*grab_all': 'bool',
|
|
'*repeat': 'bool',
|
|
'*grab-toggle': 'GrabToggleKeys' } }
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|
|
|
##
|
|
# @EventLoopBaseProperties:
|
|
#
|
|
# Common properties for event loops
|
|
#
|
|
# @aio-max-batch: maximum number of requests in a batch for the AIO engine,
|
|
# 0 means that the engine will use its default.
|
|
# (default: 0)
|
|
#
|
|
# @thread-pool-min: minimum number of threads reserved in the thread pool
|
|
# (default:0)
|
|
#
|
|
# @thread-pool-max: maximum number of threads the thread pool can contain
|
|
# (default:64)
|
|
#
|
|
# Since: 7.1
|
|
##
|
|
{ 'struct': 'EventLoopBaseProperties',
|
|
'data': { '*aio-max-batch': 'int',
|
|
'*thread-pool-min': 'int',
|
|
'*thread-pool-max': 'int' } }
|
|
|
|
##
|
|
# @IothreadProperties:
|
|
#
|
|
# Properties for iothread objects.
|
|
#
|
|
# @poll-max-ns: the maximum number of nanoseconds to busy wait for events.
|
|
# 0 means polling is disabled (default: 32768 on POSIX hosts,
|
|
# 0 otherwise)
|
|
#
|
|
# @poll-grow: the multiplier used to increase the polling time when the
|
|
# algorithm detects it is missing events due to not polling long
|
|
# enough. 0 selects a default behaviour (default: 0)
|
|
#
|
|
# @poll-shrink: the divisor used to decrease the polling time when the
|
|
# algorithm detects it is spending too long polling without
|
|
# encountering events. 0 selects a default behaviour (default: 0)
|
|
#
|
|
# The @aio-max-batch option is available since 6.1.
|
|
#
|
|
# Since: 2.0
|
|
##
|
|
{ 'struct': 'IothreadProperties',
|
|
'base': 'EventLoopBaseProperties',
|
|
'data': { '*poll-max-ns': 'int',
|
|
'*poll-grow': 'int',
|
|
'*poll-shrink': 'int' } }
|
|
|
|
##
|
|
# @MainLoopProperties:
|
|
#
|
|
# Properties for the main-loop object.
|
|
#
|
|
# Since: 7.1
|
|
##
|
|
{ 'struct': 'MainLoopProperties',
|
|
'base': 'EventLoopBaseProperties',
|
|
'data': {} }
|
|
|
|
##
|
|
# @MemoryBackendProperties:
|
|
#
|
|
# Properties for objects of classes derived from memory-backend.
|
|
#
|
|
# @merge: if true, mark the memory as mergeable (default depends on the machine
|
|
# type)
|
|
#
|
|
# @dump: if true, include the memory in core dumps (default depends on the
|
|
# machine type)
|
|
#
|
|
# @host-nodes: the list of NUMA host nodes to bind the memory to
|
|
#
|
|
# @policy: the NUMA policy (default: 'default')
|
|
#
|
|
# @prealloc: if true, preallocate memory (default: false)
|
|
#
|
|
# @prealloc-threads: number of CPU threads to use for prealloc (default: 1)
|
|
#
|
|
# @share: if false, the memory is private to QEMU; if true, it is shared
|
|
# (default: false)
|
|
#
|
|
# @reserve: if true, reserve swap space (or huge pages) if applicable
|
|
# (default: true) (since 6.1)
|
|
#
|
|
# @size: size of the memory region in bytes
|
|
#
|
|
# @x-use-canonical-path-for-ramblock-id: if true, the canoncial path is used
|
|
# for ramblock-id. Disable this for 4.0
|
|
# machine types or older to allow
|
|
# migration with newer QEMU versions.
|
|
# (default: false generally,
|
|
# but true for machine types <= 4.0)
|
|
#
|
|
# Note: prealloc=true and reserve=false cannot be set at the same time. With
|
|
# reserve=true, the behavior depends on the operating system: for example,
|
|
# Linux will not reserve swap space for shared file mappings --
|
|
# "not applicable". In contrast, reserve=false will bail out if it cannot
|
|
# be configured accordingly.
|
|
#
|
|
# Since: 2.1
|
|
##
|
|
{ 'struct': 'MemoryBackendProperties',
|
|
'data': { '*dump': 'bool',
|
|
'*host-nodes': ['uint16'],
|
|
'*merge': 'bool',
|
|
'*policy': 'HostMemPolicy',
|
|
'*prealloc': 'bool',
|
|
'*prealloc-threads': 'uint32',
|
|
'*share': 'bool',
|
|
'*reserve': 'bool',
|
|
'size': 'size',
|
|
'*x-use-canonical-path-for-ramblock-id': 'bool' } }
|
|
|
|
##
|
|
# @MemoryBackendFileProperties:
|
|
#
|
|
# Properties for memory-backend-file objects.
|
|
#
|
|
# @align: the base address alignment when QEMU mmap(2)s @mem-path. Some
|
|
# backend stores specified by @mem-path require an alignment different
|
|
# than the default one used by QEMU, e.g. the device DAX /dev/dax0.0
|
|
# requires 2M alignment rather than 4K. In such cases, users can
|
|
# specify the required alignment via this option.
|
|
# 0 selects a default alignment (currently the page size). (default: 0)
|
|
#
|
|
# @discard-data: if true, the file contents can be destroyed when QEMU exits,
|
|
# to avoid unnecessarily flushing data to the backing file. Note
|
|
# that ``discard-data`` is only an optimization, and QEMU might
|
|
# not discard file contents if it aborts unexpectedly or is
|
|
# terminated using SIGKILL. (default: false)
|
|
#
|
|
# @mem-path: the path to either a shared memory or huge page filesystem mount
|
|
#
|
|
# @pmem: specifies whether the backing file specified by @mem-path is in
|
|
# host persistent memory that can be accessed using the SNIA NVM
|
|
# programming model (e.g. Intel NVDIMM).
|
|
#
|
|
# @readonly: if true, the backing file is opened read-only; if false, it is
|
|
# opened read-write. (default: false)
|
|
#
|
|
# Since: 2.1
|
|
##
|
|
{ 'struct': 'MemoryBackendFileProperties',
|
|
'base': 'MemoryBackendProperties',
|
|
'data': { '*align': 'size',
|
|
'*discard-data': 'bool',
|
|
'mem-path': 'str',
|
|
'*pmem': { 'type': 'bool', 'if': 'CONFIG_LIBPMEM' },
|
|
'*readonly': 'bool' } }
|
|
|
|
##
|
|
# @MemoryBackendMemfdProperties:
|
|
#
|
|
# Properties for memory-backend-memfd objects.
|
|
#
|
|
# The @share boolean option is true by default with memfd.
|
|
#
|
|
# @hugetlb: if true, the file to be created resides in the hugetlbfs filesystem
|
|
# (default: false)
|
|
#
|
|
# @hugetlbsize: the hugetlb page size on systems that support multiple hugetlb
|
|
# page sizes (it must be a power of 2 value supported by the
|
|
# system). 0 selects a default page size. This option is ignored
|
|
# if @hugetlb is false. (default: 0)
|
|
#
|
|
# @seal: if true, create a sealed-file, which will block further resizing of
|
|
# the memory (default: true)
|
|
#
|
|
# Since: 2.12
|
|
##
|
|
{ 'struct': 'MemoryBackendMemfdProperties',
|
|
'base': 'MemoryBackendProperties',
|
|
'data': { '*hugetlb': 'bool',
|
|
'*hugetlbsize': 'size',
|
|
'*seal': 'bool' } }
|
|
|
|
##
|
|
# @MemoryBackendEpcProperties:
|
|
#
|
|
# Properties for memory-backend-epc objects.
|
|
#
|
|
# The @share boolean option is true by default with epc
|
|
#
|
|
# The @merge boolean option is false by default with epc
|
|
#
|
|
# The @dump boolean option is false by default with epc
|
|
#
|
|
# Since: 6.2
|
|
##
|
|
{ 'struct': 'MemoryBackendEpcProperties',
|
|
'base': 'MemoryBackendProperties',
|
|
'data': {} }
|
|
|
|
##
|
|
# @PrManagerHelperProperties:
|
|
#
|
|
# Properties for pr-manager-helper objects.
|
|
#
|
|
# @path: the path to a Unix domain socket for connecting to the external helper
|
|
#
|
|
# Since: 2.11
|
|
##
|
|
{ 'struct': 'PrManagerHelperProperties',
|
|
'data': { 'path': 'str' } }
|
|
|
|
##
|
|
# @QtestProperties:
|
|
#
|
|
# Properties for qtest objects.
|
|
#
|
|
# @chardev: the chardev to be used to receive qtest commands on.
|
|
#
|
|
# @log: the path to a log file
|
|
#
|
|
# Since: 6.0
|
|
##
|
|
{ 'struct': 'QtestProperties',
|
|
'data': { 'chardev': 'str',
|
|
'*log': 'str' } }
|
|
|
|
##
|
|
# @RemoteObjectProperties:
|
|
#
|
|
# Properties for x-remote-object objects.
|
|
#
|
|
# @fd: file descriptor name previously passed via 'getfd' command
|
|
#
|
|
# @devid: the id of the device to be associated with the file descriptor
|
|
#
|
|
# Since: 6.0
|
|
##
|
|
{ 'struct': 'RemoteObjectProperties',
|
|
'data': { 'fd': 'str', 'devid': 'str' } }
|
|
|
|
##
|
|
# @RngProperties:
|
|
#
|
|
# Properties for objects of classes derived from rng.
|
|
#
|
|
# @opened: if true, the device is opened immediately when applying this option
|
|
# and will probably fail when processing the next option. Don't use;
|
|
# only provided for compatibility. (default: false)
|
|
#
|
|
# Features:
|
|
# @deprecated: Member @opened is deprecated. Setting true doesn't make sense,
|
|
# and false is already the default.
|
|
#
|
|
# Since: 1.3
|
|
##
|
|
{ 'struct': 'RngProperties',
|
|
'data': { '*opened': { 'type': 'bool', 'features': ['deprecated'] } } }
|
|
|
|
##
|
|
# @RngEgdProperties:
|
|
#
|
|
# Properties for rng-egd objects.
|
|
#
|
|
# @chardev: the name of a character device backend that provides the connection
|
|
# to the RNG daemon
|
|
#
|
|
# Since: 1.3
|
|
##
|
|
{ 'struct': 'RngEgdProperties',
|
|
'base': 'RngProperties',
|
|
'data': { 'chardev': 'str' } }
|
|
|
|
##
|
|
# @RngRandomProperties:
|
|
#
|
|
# Properties for rng-random objects.
|
|
#
|
|
# @filename: the filename of the device on the host to obtain entropy from
|
|
# (default: "/dev/urandom")
|
|
#
|
|
# Since: 1.3
|
|
##
|
|
{ 'struct': 'RngRandomProperties',
|
|
'base': 'RngProperties',
|
|
'data': { '*filename': 'str' } }
|
|
|
|
##
|
|
# @SevGuestProperties:
|
|
#
|
|
# Properties for sev-guest objects.
|
|
#
|
|
# @sev-device: SEV device to use (default: "/dev/sev")
|
|
#
|
|
# @dh-cert-file: guest owners DH certificate (encoded with base64)
|
|
#
|
|
# @session-file: guest owners session parameters (encoded with base64)
|
|
#
|
|
# @policy: SEV policy value (default: 0x1)
|
|
#
|
|
# @handle: SEV firmware handle (default: 0)
|
|
#
|
|
# @cbitpos: C-bit location in page table entry (default: 0)
|
|
#
|
|
# @reduced-phys-bits: number of bits in physical addresses that become
|
|
# unavailable when SEV is enabled
|
|
#
|
|
# @kernel-hashes: if true, add hashes of kernel/initrd/cmdline to a
|
|
# designated guest firmware page for measured boot
|
|
# with -kernel (default: false) (since 6.2)
|
|
#
|
|
# Since: 2.12
|
|
##
|
|
{ 'struct': 'SevGuestProperties',
|
|
'data': { '*sev-device': 'str',
|
|
'*dh-cert-file': 'str',
|
|
'*session-file': 'str',
|
|
'*policy': 'uint32',
|
|
'*handle': 'uint32',
|
|
'*cbitpos': 'uint32',
|
|
'reduced-phys-bits': 'uint32',
|
|
'*kernel-hashes': 'bool' } }
|
|
|
|
##
|
|
# @ObjectType:
|
|
#
|
|
# Features:
|
|
# @unstable: Member @x-remote-object is experimental.
|
|
#
|
|
# Since: 6.0
|
|
##
|
|
{ 'enum': 'ObjectType',
|
|
'data': [
|
|
'authz-list',
|
|
'authz-listfile',
|
|
'authz-pam',
|
|
'authz-simple',
|
|
'can-bus',
|
|
{ 'name': 'can-host-socketcan',
|
|
'if': 'CONFIG_LINUX' },
|
|
'colo-compare',
|
|
'cryptodev-backend',
|
|
'cryptodev-backend-builtin',
|
|
{ 'name': 'cryptodev-vhost-user',
|
|
'if': 'CONFIG_VHOST_CRYPTO' },
|
|
'dbus-vmstate',
|
|
'filter-buffer',
|
|
'filter-dump',
|
|
'filter-mirror',
|
|
'filter-redirector',
|
|
'filter-replay',
|
|
'filter-rewriter',
|
|
'input-barrier',
|
|
{ 'name': 'input-linux',
|
|
'if': 'CONFIG_LINUX' },
|
|
'iothread',
|
|
'main-loop',
|
|
{ 'name': 'memory-backend-epc',
|
|
'if': 'CONFIG_LINUX' },
|
|
'memory-backend-file',
|
|
{ 'name': 'memory-backend-memfd',
|
|
'if': 'CONFIG_LINUX' },
|
|
'memory-backend-ram',
|
|
'pef-guest',
|
|
{ 'name': 'pr-manager-helper',
|
|
'if': 'CONFIG_LINUX' },
|
|
'qtest',
|
|
'rng-builtin',
|
|
'rng-egd',
|
|
{ 'name': 'rng-random',
|
|
'if': 'CONFIG_POSIX' },
|
|
'secret',
|
|
{ 'name': 'secret_keyring',
|
|
'if': 'CONFIG_SECRET_KEYRING' },
|
|
'sev-guest',
|
|
's390-pv-guest',
|
|
'throttle-group',
|
|
'tls-creds-anon',
|
|
'tls-creds-psk',
|
|
'tls-creds-x509',
|
|
'tls-cipher-suites',
|
|
{ 'name': 'x-remote-object', 'features': [ 'unstable' ] }
|
|
] }
|
|
|
|
##
|
|
# @ObjectOptions:
|
|
#
|
|
# Describes the options of a user creatable QOM object.
|
|
#
|
|
# @qom-type: the class name for the object to be created
|
|
#
|
|
# @id: the name of the new object
|
|
#
|
|
# Since: 6.0
|
|
##
|
|
{ 'union': 'ObjectOptions',
|
|
'base': { 'qom-type': 'ObjectType',
|
|
'id': 'str' },
|
|
'discriminator': 'qom-type',
|
|
'data': {
|
|
'authz-list': 'AuthZListProperties',
|
|
'authz-listfile': 'AuthZListFileProperties',
|
|
'authz-pam': 'AuthZPAMProperties',
|
|
'authz-simple': 'AuthZSimpleProperties',
|
|
'can-host-socketcan': { 'type': 'CanHostSocketcanProperties',
|
|
'if': 'CONFIG_LINUX' },
|
|
'colo-compare': 'ColoCompareProperties',
|
|
'cryptodev-backend': 'CryptodevBackendProperties',
|
|
'cryptodev-backend-builtin': 'CryptodevBackendProperties',
|
|
'cryptodev-vhost-user': { 'type': 'CryptodevVhostUserProperties',
|
|
'if': 'CONFIG_VHOST_CRYPTO' },
|
|
'dbus-vmstate': 'DBusVMStateProperties',
|
|
'filter-buffer': 'FilterBufferProperties',
|
|
'filter-dump': 'FilterDumpProperties',
|
|
'filter-mirror': 'FilterMirrorProperties',
|
|
'filter-redirector': 'FilterRedirectorProperties',
|
|
'filter-replay': 'NetfilterProperties',
|
|
'filter-rewriter': 'FilterRewriterProperties',
|
|
'input-barrier': 'InputBarrierProperties',
|
|
'input-linux': { 'type': 'InputLinuxProperties',
|
|
'if': 'CONFIG_LINUX' },
|
|
'iothread': 'IothreadProperties',
|
|
'main-loop': 'MainLoopProperties',
|
|
'memory-backend-epc': { 'type': 'MemoryBackendEpcProperties',
|
|
'if': 'CONFIG_LINUX' },
|
|
'memory-backend-file': 'MemoryBackendFileProperties',
|
|
'memory-backend-memfd': { 'type': 'MemoryBackendMemfdProperties',
|
|
'if': 'CONFIG_LINUX' },
|
|
'memory-backend-ram': 'MemoryBackendProperties',
|
|
'pr-manager-helper': { 'type': 'PrManagerHelperProperties',
|
|
'if': 'CONFIG_LINUX' },
|
|
'qtest': 'QtestProperties',
|
|
'rng-builtin': 'RngProperties',
|
|
'rng-egd': 'RngEgdProperties',
|
|
'rng-random': { 'type': 'RngRandomProperties',
|
|
'if': 'CONFIG_POSIX' },
|
|
'secret': 'SecretProperties',
|
|
'secret_keyring': { 'type': 'SecretKeyringProperties',
|
|
'if': 'CONFIG_SECRET_KEYRING' },
|
|
'sev-guest': 'SevGuestProperties',
|
|
'throttle-group': 'ThrottleGroupProperties',
|
|
'tls-creds-anon': 'TlsCredsAnonProperties',
|
|
'tls-creds-psk': 'TlsCredsPskProperties',
|
|
'tls-creds-x509': 'TlsCredsX509Properties',
|
|
'tls-cipher-suites': 'TlsCredsProperties',
|
|
'x-remote-object': 'RemoteObjectProperties'
|
|
} }
|
|
|
|
##
|
|
# @object-add:
|
|
#
|
|
# Create a QOM object.
|
|
#
|
|
# Returns: Nothing on success
|
|
# Error if @qom-type is not a valid class name
|
|
#
|
|
# Since: 2.0
|
|
#
|
|
# Example:
|
|
#
|
|
# -> { "execute": "object-add",
|
|
# "arguments": { "qom-type": "rng-random", "id": "rng1",
|
|
# "filename": "/dev/hwrng" } }
|
|
# <- { "return": {} }
|
|
#
|
|
##
|
|
{ 'command': 'object-add', 'data': 'ObjectOptions', 'boxed': true,
|
|
'allow-preconfig': true }
|
|
|
|
##
|
|
# @object-del:
|
|
#
|
|
# Remove a QOM object.
|
|
#
|
|
# @id: the name of the QOM object to remove
|
|
#
|
|
# Returns: Nothing on success
|
|
# Error if @id is not a valid id for a QOM object
|
|
#
|
|
# Since: 2.0
|
|
#
|
|
# Example:
|
|
#
|
|
# -> { "execute": "object-del", "arguments": { "id": "rng1" } }
|
|
# <- { "return": {} }
|
|
#
|
|
##
|
|
{ 'command': 'object-del', 'data': {'id': 'str'},
|
|
'allow-preconfig': true }
|