hppa-softmmu.mak: express dependencies with Kconfig

[qemu.git] / qapi / block.json

diff --git a/qapi/block.json b/qapi/block.json
index 693e2347799dc5b87a7d444278d2c8784f74f3ea..5a79d639e8c5aceb74230845615839ece164d07a 100644 (file)
--- a/qapi/block.json
+++ b/qapi/block.json
@@ -1,14 +1,13 @@
 # -*- Mode: Python -*-
 
 ##
 # -*- Mode: Python -*-
 
 ##

-# = QAPI block definitions
+# = Block devices

 ##
 
 ##
 

-# QAPI block core definitions

 { 'include': 'block-core.json' }
 
 ##
 { 'include': 'block-core.json' }
 
 ##

-# == QAPI block definitions (vm unrelated)
+# == Additional block stuff (VM related)

 ##
 
 ##
 ##
 
 ##


@@ -78,22 +77,64 @@
 { 'struct': 'BlockdevSnapshotInternal',
   'data': { 'device': 'str', 'name': 'str' } }
 
 { 'struct': 'BlockdevSnapshotInternal',
   'data': { 'device': 'str', 'name': 'str' } }
 

+##
+# @PRManagerInfo:
+#
+# Information about a persistent reservation manager
+#
+# @id: the identifier of the persistent reservation manager
+#
+# @connected: true if the persistent reservation manager is connected to
+#             the underlying storage or helper
+#
+# Since: 3.0
+##
+{ 'struct': 'PRManagerInfo',
+  'data': {'id': 'str', 'connected': 'bool'} }
+
+##
+# @query-pr-managers:
+#
+# Returns a list of information about each persistent reservation manager.
+#
+# Returns: a list of @PRManagerInfo for each persistent reservation manager
+#
+# Since: 3.0
+##
+{ 'command': 'query-pr-managers', 'returns': ['PRManagerInfo'],
+  'allow-preconfig': true }
+
+

 ##
 # @blockdev-snapshot-internal-sync:
 #
 ##
 # @blockdev-snapshot-internal-sync:
 #

-# Synchronously take an internal snapshot of a block device, when the format
-# of the image used supports it.
+# Synchronously take an internal snapshot of a block device, when the
+# format of the image used supports it. If the name is an empty
+# string, or a snapshot with name already exists, the operation will
+# fail.

 #
 # For the arguments, see the documentation of BlockdevSnapshotInternal.
 #
 # Returns: nothing on success
 #
 # For the arguments, see the documentation of BlockdevSnapshotInternal.
 #
 # Returns: nothing on success

+#

 #          If @device is not a valid block device, GenericError
 #          If @device is not a valid block device, GenericError

+#

 #          If any snapshot matching @name exists, or @name is empty,
 #          GenericError
 #          If any snapshot matching @name exists, or @name is empty,
 #          GenericError

+#

 #          If the format of the image used does not support it,
 #          BlockFormatFeatureNotSupported
 #
 # Since: 1.7
 #          If the format of the image used does not support it,
 #          BlockFormatFeatureNotSupported
 #
 # Since: 1.7

+#
+# Example:
+#
+# -> { "execute": "blockdev-snapshot-internal-sync",
+#      "arguments": { "device": "ide-hd0",
+#                     "name": "snapshot0" }
+#    }
+# <- { "return": {} }
+#

 ##
 { 'command': 'blockdev-snapshot-internal-sync',
   'data': 'BlockdevSnapshotInternal' }
 ##
 { 'command': 'blockdev-snapshot-internal-sync',
   'data': 'BlockdevSnapshotInternal' }


@@ -121,6 +162,24 @@
 #          If @id and @name are both not specified, GenericError
 #
 # Since: 1.7
 #          If @id and @name are both not specified, GenericError
 #
 # Since: 1.7

+#
+# Example:
+#
+# -> { "execute": "blockdev-snapshot-delete-internal-sync",
+#      "arguments": { "device": "ide-hd0",
+#                     "name": "snapshot0" }
+#    }
+# <- { "return": {
+#                    "id": "1",
+#                    "name": "snapshot0",
+#                    "vm-state-size": 0,
+#                    "date-sec": 1000012,
+#                    "date-nsec": 10,
+#                    "vm-clock-sec": 100,
+#                    "vm-clock-nsec": 20
+#      }
+#    }
+#

 ##
 { 'command': 'blockdev-snapshot-delete-internal-sync',
   'data': { 'device': 'str', '*id': 'str', '*name': 'str'},
 ##
 { 'command': 'blockdev-snapshot-delete-internal-sync',
   'data': { 'device': 'str', '*id': 'str', '*name': 'str'},


@@ -131,19 +190,25 @@
 #
 # Ejects a device from a removable drive.
 #
 #
 # Ejects a device from a removable drive.
 #

-# @device:  #optional Block device name (deprecated, use @id instead)
+# @device:  Block device name (deprecated, use @id instead)

 #
 #

-# @id:      #optional The name or QOM path of the guest device (since: 2.8)
+# @id:      The name or QOM path of the guest device (since: 2.8)

 #
 #

-# @force:   @optional If true, eject regardless of whether the drive is locked.
+# @force:   If true, eject regardless of whether the drive is locked.

 #           If not specified, the default value is false.
 #
 # Returns:  Nothing on success
 #           If not specified, the default value is false.
 #
 # Returns:  Nothing on success

+#

 #           If @device is not a valid block device, DeviceNotFound
 #
 #           If @device is not a valid block device, DeviceNotFound
 #

-# Notes:    Ejecting a device will no media results in success
+# Notes:    Ejecting a device with no media results in success

 #
 # Since: 0.14.0
 #
 # Since: 0.14.0

+#
+# Example:
+#
+# -> { "execute": "eject", "arguments": { "id": "ide1-0-1" } }
+# <- { "return": {} }

 ##
 { 'command': 'eject',
   'data': { '*device': 'str',
 ##
 { 'command': 'eject',
   'data': { '*device': 'str',


@@ -166,7 +231,7 @@
 # Since: 1.3.0
 ##
 { 'command': 'nbd-server-start',
 # Since: 1.3.0
 ##
 { 'command': 'nbd-server-start',

-  'data': { 'addr': 'SocketAddress',
+  'data': { 'addr': 'SocketAddressLegacy',

             '*tls-creds': 'str'} }
 
 ##
             '*tls-creds': 'str'} }
 
 ##


@@ -176,14 +241,65 @@
 #
 # @device: The device name or node name of the node to be exported
 #
 #
 # @device: The device name or node name of the node to be exported
 #

+# @name: Export name. If unspecified, the @device parameter is used as the
+#        export name. (Since 2.12)
+#

 # @writable: Whether clients should be able to write to the device via the
 # @writable: Whether clients should be able to write to the device via the

-#     NBD connection (default false). #optional
+#     NBD connection (default false).
+
+# @bitmap: Also export the dirty bitmap reachable from @device, so the
+#          NBD client can use NBD_OPT_SET_META_CONTEXT with
+#          "qemu:dirty-bitmap:NAME" to inspect the bitmap. (since 4.0)

 #
 #

-# Returns: error if the device is already marked for export.
+# Returns: error if the server is not running, or export with the same name
+#          already exists.

 #
 # Since: 1.3.0
 ##
 #
 # Since: 1.3.0
 ##

-{ 'command': 'nbd-server-add', 'data': {'device': 'str', '*writable': 'bool'} }
+{ 'command': 'nbd-server-add',
+  'data': {'device': 'str', '*name': 'str', '*writable': 'bool',
+           '*bitmap': 'str' } }
+
+##
+# @NbdServerRemoveMode:
+#
+# Mode for removing an NBD export.
+#
+# @safe: Remove export if there are no existing connections, fail otherwise.
+#
+# @hard: Drop all connections immediately and remove export.
+#
+# Potential additional modes to be added in the future:
+#
+# hide: Just hide export from new clients, leave existing connections as is.
+#       Remove export after all clients are disconnected.
+#
+# soft: Hide export from new clients, answer with ESHUTDOWN for all further
+#       requests from existing clients.
+#
+# Since: 2.12
+##
+{'enum': 'NbdServerRemoveMode', 'data': ['safe', 'hard']}
+
+##
+# @nbd-server-remove:
+#
+# Remove NBD export by name.
+#
+# @name: Export name.
+#
+# @mode: Mode of command operation. See @NbdServerRemoveMode description.
+#        Default is 'safe'.
+#
+# Returns: error if
+#            - the server is not running
+#            - export is not found
+#            - mode is 'safe' and there are existing connections
+#
+# Since: 2.12
+##
+{ 'command': 'nbd-server-remove',
+  'data': {'name': 'str', '*mode': 'NbdServerRemoveMode'} }

 
 ##
 # @nbd-server-stop:
 
 ##
 # @nbd-server-stop:


@@ -210,10 +326,44 @@
 # @tray-open: true if the tray has been opened or false if it has been closed
 #
 # Since: 1.1
 # @tray-open: true if the tray has been opened or false if it has been closed
 #
 # Since: 1.1

+#
+# Example:
+#
+# <- { "event": "DEVICE_TRAY_MOVED",
+#      "data": { "device": "ide1-cd0",
+#                "id": "/machine/unattached/device[22]",
+#                "tray-open": true
+#      },
+#      "timestamp": { "seconds": 1265044230, "microseconds": 450486 } }
+#

 ##
 { 'event': 'DEVICE_TRAY_MOVED',
   'data': { 'device': 'str', 'id': 'str', 'tray-open': 'bool' } }
 
 ##
 { 'event': 'DEVICE_TRAY_MOVED',
   'data': { 'device': 'str', 'id': 'str', 'tray-open': 'bool' } }
 

+##
+# @PR_MANAGER_STATUS_CHANGED:
+#
+# Emitted whenever the connected status of a persistent reservation
+# manager changes.
+#
+# @id: The id of the PR manager object
+#
+# @connected: true if the PR manager is connected to a backend
+#
+# Since: 3.0
+#
+# Example:
+#
+# <- { "event": "PR_MANAGER_STATUS_CHANGED",
+#      "data": { "id": "pr-helper0",
+#                "connected": true
+#      },
+#      "timestamp": { "seconds": 1519840375, "microseconds": 450486 } }
+#
+##
+{ 'event': 'PR_MANAGER_STATUS_CHANGED',
+  'data': { 'id': 'str', 'connected': 'bool' } }
+

 ##
 # @QuorumOpType:
 #
 ##
 # @QuorumOpType:
 #


@@ -229,3 +379,71 @@
 ##
 { 'enum': 'QuorumOpType',
   'data': [ 'read', 'write', 'flush' ] }
 ##
 { 'enum': 'QuorumOpType',
   'data': [ 'read', 'write', 'flush' ] }

+
+##
+# @QUORUM_FAILURE:
+#
+# Emitted by the Quorum block driver if it fails to establish a quorum
+#
+# @reference: device name if defined else node name
+#
+# @sector-num: number of the first sector of the failed read operation
+#
+# @sectors-count: failed read operation sector count
+#
+# Note: This event is rate-limited.
+#
+# Since: 2.0
+#
+# Example:
+#
+# <- { "event": "QUORUM_FAILURE",
+#      "data": { "reference": "usr1", "sector-num": 345435, "sectors-count": 5 },
+#      "timestamp": { "seconds": 1344522075, "microseconds": 745528 } }
+#
+##
+{ 'event': 'QUORUM_FAILURE',
+  'data': { 'reference': 'str', 'sector-num': 'int', 'sectors-count': 'int' } }
+
+##
+# @QUORUM_REPORT_BAD:
+#
+# Emitted to report a corruption of a Quorum file
+#
+# @type: quorum operation type (Since 2.6)
+#
+# @error: error message. Only present on failure. This field
+#         contains a human-readable error message. There are no semantics other
+#         than that the block layer reported an error and clients should not
+#         try to interpret the error string.
+#
+# @node-name: the graph node name of the block driver state
+#
+# @sector-num: number of the first sector of the failed read operation
+#
+# @sectors-count: failed read operation sector count
+#
+# Note: This event is rate-limited.
+#
+# Since: 2.0
+#
+# Example:
+#
+# 1. Read operation
+#
+# { "event": "QUORUM_REPORT_BAD",
+#      "data": { "node-name": "node0", "sector-num": 345435, "sectors-count": 5,
+#                "type": "read" },
+#      "timestamp": { "seconds": 1344522075, "microseconds": 745528 } }
+#
+# 2. Flush operation
+#
+# { "event": "QUORUM_REPORT_BAD",
+#      "data": { "node-name": "node0", "sector-num": 0, "sectors-count": 2097120,
+#                "type": "flush", "error": "Broken pipe" },
+#      "timestamp": { "seconds": 1456406829, "microseconds": 291763 } }
+#
+##
+{ 'event': 'QUORUM_REPORT_BAD',
+  'data': { 'type': 'QuorumOpType', '*error': 'str', 'node-name': 'str',
+            'sector-num': 'int', 'sectors-count': 'int' } }