qapi: Add missing union tag documentation

Low-hanging fruit, and except for StatsFilter, the only members of
these unions lacking documentation.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240205074709.3613229-16-armbru@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>

qapi/block-core.json

@@ -252,6 +252,8 @@
 # A discriminated record of image format specific information
 # structures.
 #
+# @type: block driver name
+#
 # Since: 1.7
 ##
 { 'union': 'ImageInfoSpecific',
@@ -1102,6 +1104,8 @@
 #
 # Block driver specific statistics
 #
+# @driver: block driver name
+#
 # Since: 4.2
 ##
 { 'union': 'BlockStatsSpecific',
@@ -3472,6 +3476,8 @@
 ##
 # @BlockdevQcowEncryption:
 #
+# @format: encryption format
+#
 # Since: 2.10
 ##
 { 'union': 'BlockdevQcowEncryption',
@@ -3506,6 +3512,8 @@
 ##
 # @BlockdevQcow2Encryption:
 #
+# @format: encryption format
+#
 # Since: 2.10
 ##
 { 'union': 'BlockdevQcow2Encryption',
@@ -3656,6 +3664,8 @@
 ##
 # @SshHostKeyCheck:
 #
+# @mode: How to check the host key
+#
 # Since: 2.12
 ##
 { 'union': 'SshHostKeyCheck',
@@ -4225,6 +4235,8 @@
 ##
 # @RbdEncryptionCreateOptions:
 #
+# @format: Encryption format.
+#
 # Since: 6.1
 ##
 { 'union': 'RbdEncryptionCreateOptions',

qapi/block-export.json

@@ -346,6 +346,8 @@
 # Describes a block export, i.e. how single node should be exported on
 # an external interface.
 #
+# @type: Block export type
+#
 # @id: A unique identifier for the block export (across all export
 #     types)
 #

qapi/char.json

@@ -634,6 +634,8 @@
 #
 # Configuration info for the new chardev backend.
 #
+# @type: backend type
+#
 # Since: 1.4
 ##
 { 'union': 'ChardevBackend',

qapi/crypto.json

@@ -645,6 +645,8 @@
 # The options that are available for all asymmetric key algorithms
 # when creating a new QCryptoAkCipher.
 #
+# @alg: encryption cipher algorithm
+#
 # Since: 7.1
 ##
 { 'union': 'QCryptoAkCipherOptions',

qapi/machine.json

@@ -443,6 +443,8 @@
 #
 # A discriminated record of NUMA options.  (for OptsVisitor)
 #
+# @type: NUMA option type
+#
 # Since: 2.1
 ##
 { 'union': 'NumaOptions',
@@ -1448,6 +1450,8 @@
 #
 # Union containing information about a memory device
 #
+# @type: memory device type
+#
 # Since: 2.1
 ##
 { 'union': 'MemoryDeviceInfo',

qapi/migration.json

@@ -1630,6 +1630,8 @@
 #
 # Migration endpoint configuration.
 #
+# @transport: The migration stream transport mechanism
+#
 # Since: 8.2
 ##
 { 'union': 'MigrationAddress',

qapi/pragma.json

@@ -39,18 +39,13 @@
         'BlockDirtyBitmapAddWrapper',
         'BlockDirtyBitmapMergeWrapper',
         'BlockDirtyBitmapWrapper',
-        'BlockExportOptions',
-        'BlockStatsSpecific',
         'BlockdevBackupWrapper',
         'BlockdevDriver',
-        'BlockdevQcow2Encryption',
         'BlockdevQcow2EncryptionFormat',
-        'BlockdevQcowEncryption',
         'BlockdevSnapshotInternalWrapper',
         'BlockdevSnapshotSyncWrapper',
         'BlockdevSnapshotWrapper',
         'BlockdevVmdkAdapterType',
-        'ChardevBackend',
         'ChardevBackendKind',
         'CpuS390Entitlement',
         'CpuS390Polarization',
@@ -64,7 +59,6 @@
         'GrabToggleKeys',
         'GuestPanicInformationHyperV',
         'HotKeyMod',
-        'ImageInfoSpecific',
         'ImageInfoSpecificKind',
         'InputAxis',
         'InputButton',
@@ -73,38 +67,28 @@
         'IscsiHeaderDigest',
         'IscsiTransport',
         'JSONType',
-        'KeyValue',
         'KeyValueKind',
-        'MemoryDeviceInfo',
         'MemoryDeviceInfoKind',
         'MigrateSetParameters',
-        'MigrationAddress',
         'NetClientDriver',
-        'NumaOptions',
         'ObjectType',
         'PciMemoryRegion',
         'QCryptoAkCipherKeyType',
-        'QCryptoAkCipherOptions',
         'QCryptodevBackendServiceType',
         'QKeyCode',
         'Qcow2OverlapCheckFlags',
         'RbdAuthMode',
-        'RbdEncryptionCreateOptions',
         'RbdImageEncryptionFormat',
-        'SocketAddressLegacy',
-        'SshHostKeyCheck',
         'StatsFilter',
         'StatsValue',
         'String',
         'StringWrapper',
         'SysEmuTarget',
         'ThrottleGroupProperties',
-        'TransactionAction',
         'VncPrimaryAuth',
         'VncVencryptSubAuth',
         'X86CPURegister32',
         'XDbgBlockGraph',
-        'YankInstance',
         'YankInstanceType',
         'blockdev-reopen',
         'query-cpu-model-baseline',

qapi/sockets.json

@@ -178,6 +178,8 @@
 # Captures the address of a socket, which could also be a named file
 # descriptor
 #
+# @type: Transport type
+#
 # Note: This type is deprecated in favor of SocketAddress.  The
 #     difference between SocketAddressLegacy and SocketAddress is that
 #     the latter has fewer {} on the wire.

qapi/stats.json

@@ -120,6 +120,8 @@
 # - which providers to request statistics from
 # - which named values to return within each provider
 #
+# @target: the kind of objects to query
+#
 # Since: 7.1
 ##
 { 'union': 'StatsFilter',

qapi/transaction.json

@@ -158,6 +158,8 @@
 # A discriminated record of operations that can be performed with
 # @transaction.
 #
+# @type: the operation to be performed
+#
 # Since: 1.1
 ##
 { 'union': 'TransactionAction',

qapi/ui.json

@@ -1012,6 +1012,8 @@
 #
 # Represents a keyboard key.
 #
+# @type: key encoding
+#
 # Since: 1.3
 ##
 { 'union': 'KeyValue',

qapi/yank.json

@@ -49,6 +49,8 @@
 # A yank instance can be yanked with the @yank qmp command to recover
 # from a hanging QEMU.
 #
+# @type: yank instance type
+#
 # Currently implemented yank instances:
 #
 # - nbd block device: Yanking it will shut down the connection to the