blob: cd0e76d56459d3f563c8acbacb7adc43c553e154 [file] [log] [blame]
# -*- 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': 'authz.json' }
{ 'include': 'block-core.json' }
{ 'include': 'common.json' }
{ 'include': 'crypto.json' }
##
# = QEMU Object Model (QOM)
##
##
# @ObjectPropertyInfo:
#
# @name: the name of the property
#
# @type: the type of the property. This will typically come in one of four
# forms:
#
# 1) A primitive type such as 'u8', 'u16', 'bool', 'str', or 'double'.
# These types are mapped to the appropriate JSON type.
#
# 2) A child type in the form 'child<subtype>' where subtype is a qdev
# device type name. Child properties create the composition tree.
#
# 3) A link type in the form 'link<subtype>' where subtype is a qdev
# device type name. Link properties form the device model graph.
#
# @description: if specified, the description of the property.
#
# @default-value: the default value, if any (since 5.0)
#
# Since: 1.2
##
{ 'struct': 'ObjectPropertyInfo',
'data': { 'name': 'str',
'type': 'str',
'*description': 'str',
'*default-value': 'any' } }
##
# @qom-list:
#
# This command will list any properties of a object given a path in the object
# model.
#
# @path: the path within the object model. See @qom-get for a description of
# this parameter.
#
# Returns: a list of @ObjectPropertyInfo that describe the properties of the
# object.
#
# Since: 1.2
#
# Example:
#
# -> { "execute": "qom-list",
# "arguments": { "path": "/chardevs" } }
# <- { "return": [ { "name": "type", "type": "string" },
# { "name": "parallel0", "type": "child<chardev-vc>" },
# { "name": "serial0", "type": "child<chardev-vc>" },
# { "name": "mon0", "type": "child<chardev-stdio>" } ] }
#
##
{ 'command': 'qom-list',
'data': { 'path': 'str' },
'returns': [ 'ObjectPropertyInfo' ],
'allow-preconfig': true }
##
# @qom-get:
#
# This command will get a property from a object model path and return the
# value.
#
# @path: The path within the object model. There are two forms of supported
# paths--absolute and partial paths.
#
# Absolute paths are derived from the root object and can follow child<>
# or link<> properties. Since they can follow link<> properties, they
# can be arbitrarily long. Absolute paths look like absolute filenames
# and are prefixed with a leading slash.
#
# Partial paths look like relative filenames. They do not begin
# with a prefix. The matching rules for partial paths are subtle but
# designed to make specifying objects easy. At each level of the
# composition tree, the partial path is matched as an absolute path.
# The first match is not returned. At least two matches are searched
# for. A successful result is only returned if only one match is
# found. If more than one match is found, a flag is return to
# indicate that the match was ambiguous.
#
# @property: The property name to read
#
# Returns: The property value. The type depends on the property
# type. child<> and link<> properties are returned as #str
# pathnames. All integer property types (u8, u16, etc) are
# returned as #int.
#
# Since: 1.2
#
# Example:
#
# 1. Use absolute path
#
# -> { "execute": "qom-get",
# "arguments": { "path": "/machine/unattached/device[0]",
# "property": "hotplugged" } }
# <- { "return": false }
#
# 2. Use partial path
#
# -> { "execute": "qom-get",
# "arguments": { "path": "unattached/sysbus",
# "property": "type" } }
# <- { "return": "System" }
#
##
{ 'command': 'qom-get',
'data': { 'path': 'str', 'property': 'str' },
'returns': 'any',
'allow-preconfig': true }
##
# @qom-set:
#
# This command will set a property from a object model path.
#
# @path: see @qom-get for a description of this parameter
#
# @property: the property name to set
#
# @value: a value who's type is appropriate for the property type. See @qom-get
# for a description of type mapping.
#
# Since: 1.2
#
# Example:
#
# -> { "execute": "qom-set",
# "arguments": { "path": "/machine",
# "property": "graphics",
# "value": false } }
# <- { "return": {} }
#
##
{ 'command': 'qom-set',
'data': { 'path': 'str', 'property': 'str', 'value': 'any' },
'allow-preconfig': true }
##
# @ObjectTypeInfo:
#
# This structure describes a search result from @qom-list-types
#
# @name: the type name found in the search
#
# @abstract: the type is abstract and can't be directly instantiated.
# Omitted if false. (since 2.10)
#
# @parent: Name of parent type, if any (since 2.10)
#
# Since: 1.1
##
{ 'struct': 'ObjectTypeInfo',
'data': { 'name': 'str', '*abstract': 'bool', '*parent': 'str' } }
##
# @qom-list-types:
#
# This command will return a list of types given search parameters
#
# @implements: if specified, only return types that implement this type name
#
# @abstract: if true, include abstract types in the results
#
# Returns: a list of @ObjectTypeInfo or an empty list if no results are found
#
# Since: 1.1
##
{ 'command': 'qom-list-types',
'data': { '*implements': 'str', '*abstract': 'bool' },
'returns': [ 'ObjectTypeInfo' ],
'allow-preconfig': true }
##
# @qom-list-properties:
#
# List properties associated with a QOM object.
#
# @typename: the type name of an object
#
# Note: objects can create properties at runtime, for example to describe
# links between different devices and/or objects. These properties
# are not included in the output of this command.
#
# Returns: a list of ObjectPropertyInfo describing object properties
#
# Since: 2.12
##
{ 'command': 'qom-list-properties',
'data': { 'typename': 'str'},
'returns': [ 'ObjectPropertyInfo' ],
'allow-preconfig': true }
##
# @CanHostSocketcanProperties:
#
# Properties for can-host-socketcan objects.
#
# @if: interface name of the host system CAN bus to connect to
#
# @canbus: object ID of the can-bus object to connect to the host interface
#
# Since: 2.12
##
{ 'struct': 'CanHostSocketcanProperties',
'data': { 'if': 'str',
'canbus': 'str' } }
##
# @ColoCompareProperties:
#
# Properties for colo-compare objects.
#
# @primary_in: name of the character device backend to use for the primary
# input (incoming packets are redirected to @outdev)
#
# @secondary_in: name of the character device backend to use for secondary
# input (incoming packets are only compared to the input on
# @primary_in and then dropped)
#
# @outdev: name of the character device backend to use for output
#
# @iothread: name of the iothread to run in
#
# @notify_dev: name of the character device backend to be used to communicate
# with the remote colo-frame (only for Xen COLO)
#
# @compare_timeout: the maximum time to hold a packet from @primary_in for
# comparison with an incoming packet on @secondary_in in
# milliseconds (default: 3000)
#
# @expired_scan_cycle: the interval at which colo-compare checks whether
# packets from @primary have timed out, in milliseconds
# (default: 3000)
#
# @max_queue_size: the maximum number of packets to keep in the queue for
# comparing with incoming packets from @secondary_in. If the
# queue is full and addtional packets are received, the
# addtional packets are dropped. (default: 1024)
#
# @vnet_hdr_support: if true, vnet header support is enabled (default: false)
#
# Since: 2.8
##
{ 'struct': 'ColoCompareProperties',
'data': { 'primary_in': 'str',
'secondary_in': 'str',
'outdev': 'str',
'iothread': 'str',
'*notify_dev': 'str',
'*compare_timeout': 'uint64',
'*expired_scan_cycle': 'uint32',
'*max_queue_size': 'uint32',
'*vnet_hdr_support': 'bool' } }
##
# @CryptodevBackendProperties:
#
# Properties for cryptodev-backend and cryptodev-backend-builtin objects.
#
# @queues: the number of queues for the cryptodev backend. Ignored for
# cryptodev-backend and must be 1 for cryptodev-backend-builtin.
# (default: 1)
#
# Since: 2.8
##
{ 'struct': 'CryptodevBackendProperties',
'data': { '*queues': 'uint32' } }
##
# @CryptodevVhostUserProperties:
#
# Properties for cryptodev-vhost-user objects.
#
# @chardev: the name of a Unix domain socket character device that connects to
# the vhost-user server
#
# Since: 2.12
##
{ 'struct': 'CryptodevVhostUserProperties',
'base': 'CryptodevBackendProperties',
'data': { 'chardev': 'str' } }
##
# @DBusVMStateProperties:
#
# Properties for dbus-vmstate objects.
#
# @addr: the name of the DBus bus to connect to
#
# @id-list: a comma separated list of DBus IDs of helpers whose data should be
# included in the VM state on migration
#
# Since: 5.0
##
{ 'struct': 'DBusVMStateProperties',
'data': { 'addr': 'str' ,
'*id-list': 'str' } }
##
# @NetfilterInsert:
#
# Indicates where to insert a netfilter relative to a given other filter.
#
# @before: insert before the specified filter
#
# @behind: insert behind the specified filter
#
# Since: 5.0
##
{ 'enum': 'NetfilterInsert',
'data': [ 'before', 'behind' ] }
##
# @NetfilterProperties:
#
# Properties for objects of classes derived from netfilter.
#
# @netdev: id of the network device backend to filter
#
# @queue: indicates which queue(s) to filter (default: all)
#
# @status: indicates whether the filter is enabled ("on") or disabled ("off")
# (default: "on")
#
# @position: specifies where the filter should be inserted in the filter list.
# "head" means the filter is inserted at the head of the filter list,
# before any existing filters.
# "tail" means the filter is inserted at the tail of the filter list,
# behind any existing filters (default).
# "id=<id>" means the filter is inserted before or behind the filter
# specified by <id>, depending on the @insert property.
# (default: "tail")
#
# @insert: where to insert the filter relative to the filter given in @position.
# Ignored if @position is "head" or "tail". (default: behind)
#
# Since: 2.5
##
{ 'struct': 'NetfilterProperties',
'data': { 'netdev': 'str',
'*queue': 'NetFilterDirection',
'*status': 'str',
'*position': 'str',
'*insert': 'NetfilterInsert' } }
##
# @FilterBufferProperties:
#
# Properties for filter-buffer objects.
#
# @interval: a non-zero interval in microseconds. All packets arriving in the
# given interval are delayed until the end of the interval.
#
# Since: 2.5
##
{ 'struct': 'FilterBufferProperties',
'base': 'NetfilterProperties',
'data': { 'interval': 'uint32' } }
##
# @FilterDumpProperties:
#
# Properties for filter-dump objects.
#
# @file: the filename where the dumped packets should be stored
#
# @maxlen: maximum number of bytes in a packet that are stored (default: 65536)
#
# Since: 2.5
##
{ 'struct': 'FilterDumpProperties',
'base': 'NetfilterProperties',
'data': { 'file': 'str',
'*maxlen': 'uint32' } }
##
# @FilterMirrorProperties:
#
# Properties for filter-mirror objects.
#
# @outdev: the name of a character device backend to which all incoming packets
# are mirrored
#
# @vnet_hdr_support: if true, vnet header support is enabled (default: false)
#
# Since: 2.6
##
{ 'struct': 'FilterMirrorProperties',
'base': 'NetfilterProperties',
'data': { 'outdev': 'str',
'*vnet_hdr_support': 'bool' } }
##
# @FilterRedirectorProperties:
#
# Properties for filter-redirector objects.
#
# At least one of @indev or @outdev must be present. If both are present, they
# must not refer to the same character device backend.
#
# @indev: the name of a character device backend from which packets are
# received and redirected to the filtered network device
#
# @outdev: the name of a character device backend to which all incoming packets
# are redirected
#
# @vnet_hdr_support: if true, vnet header support is enabled (default: false)
#
# Since: 2.6
##
{ 'struct': 'FilterRedirectorProperties',
'base': 'NetfilterProperties',
'data': { '*indev': 'str',
'*outdev': 'str',
'*vnet_hdr_support': 'bool' } }
##
# @FilterRewriterProperties:
#
# Properties for filter-rewriter objects.
#
# @vnet_hdr_support: if true, vnet header support is enabled (default: false)
#
# Since: 2.8
##
{ 'struct': 'FilterRewriterProperties',
'base': 'NetfilterProperties',
'data': { '*vnet_hdr_support': 'bool' } }
##
# @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',
'*server': 'str',
'*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',
'data': { 'evdev': 'str',
'*grab_all': 'bool',
'*repeat': 'bool',
'*grab-toggle': 'GrabToggleKeys' } }
##
# @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)
#
# Since: 2.0
##
{ 'struct': 'IothreadProperties',
'data': { '*poll-max-ns': 'int',
'*poll-grow': 'int',
'*poll-shrink': 'int' } }
##
# @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)
#
# @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.
# This option is considered stable
# despite the x- prefix. (default:
# false generally, but true for machine
# types <= 4.0)
#
# Since: 2.1
##
{ 'struct': 'MemoryBackendProperties',
'data': { '*dump': 'bool',
'*host-nodes': ['uint16'],
'*merge': 'bool',
'*policy': 'HostMemPolicy',
'*prealloc': 'bool',
'*prealloc-threads': 'uint32',
'*share': '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': 'defined(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' } }
##
# @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' } }
##
# @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
#
# 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' } }
##
# @ObjectType:
#
# Since: 6.0
##
{ 'enum': 'ObjectType',
'data': [
'authz-list',
'authz-listfile',
'authz-pam',
'authz-simple',
'can-bus',
'can-host-socketcan',
'colo-compare',
'cryptodev-backend',
'cryptodev-backend-builtin',
{ 'name': 'cryptodev-vhost-user',
'if': 'defined(CONFIG_VHOST_CRYPTO)' },
'dbus-vmstate',
'filter-buffer',
'filter-dump',
'filter-mirror',
'filter-redirector',
'filter-replay',
'filter-rewriter',
'input-barrier',
'input-linux',
'iothread',
'memory-backend-file',
{ 'name': 'memory-backend-memfd',
'if': 'defined(CONFIG_LINUX)' },
'memory-backend-ram',
'pef-guest',
'pr-manager-helper',
'rng-builtin',
'rng-egd',
'rng-random',
'secret',
'secret_keyring',
'sev-guest',
's390-pv-guest',
'throttle-group',
'tls-creds-anon',
'tls-creds-psk',
'tls-creds-x509',
'tls-cipher-suites',
'x-remote-object'
] }
##
# @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': 'CanHostSocketcanProperties',
'colo-compare': 'ColoCompareProperties',
'cryptodev-backend': 'CryptodevBackendProperties',
'cryptodev-backend-builtin': 'CryptodevBackendProperties',
'cryptodev-vhost-user': { 'type': 'CryptodevVhostUserProperties',
'if': 'defined(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': 'InputLinuxProperties',
'iothread': 'IothreadProperties',
'memory-backend-file': 'MemoryBackendFileProperties',
'memory-backend-memfd': { 'type': 'MemoryBackendMemfdProperties',
'if': 'defined(CONFIG_LINUX)' },
'memory-backend-ram': 'MemoryBackendProperties',
'pr-manager-helper': 'PrManagerHelperProperties',
'rng-builtin': 'RngProperties',
'rng-egd': 'RngEgdProperties',
'rng-random': 'RngRandomProperties',
'secret': 'SecretProperties',
'secret_keyring': 'SecretKeyringProperties',
'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 }
##
# @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'} }