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Re: [libvirt] [PATCHv2] docs: standardize description of flags



On 2012年01月10日 04:59, Eric Blake wrote:
We had loads of different styles in describing the @flags parameter
for various APIs, as well as several APIs that didn't list which
enums provided the bit values valid for the flags.

The end result is one of two formats:
@flags: bitwise-OR of vir...Flags
@flags: extra flags; not used yet, so callers should always pass 0

* src/libvirt.c: Use common sentences for flags.  Also,
(virDomainGetBlockIoTune): Mention virTypedParameterFlags.
(virConnectOpenAuth): Mention virConnectFlags.
(virDomainMigrate, virDomainMigrate2, virDomainMigrateToURI)
(virDomainMigrateToURI2): Mention virDomainMigrateFlags.
(virDomainMemoryPeek): Mention virDomainMemoryFlags.
(virStoragePoolBuild): Mention virStoragePoolBuildFlags.
(virStoragePoolDelete): Mention virStoragePoolDeleteFlags.
(virStreamNew): Mention virStreamFlags.
(virDomainOpenGraphics): Mention virDomainOpenGraphicsFlags.
---
  src/libvirt.c |  193 ++++++++++++++++++++++++++++-----------------------------
  1 files changed, 95 insertions(+), 98 deletions(-)

diff --git a/src/libvirt.c b/src/libvirt.c
index c288f00..3d589e8 100644
--- a/src/libvirt.c
+++ b/src/libvirt.c
@@ -1395,7 +1395,7 @@ error:
   * virConnectOpenAuth:
   * @name: URI of the hypervisor
   * @auth: Authenticate callback parameters
- * @flags: Open flags
+ * @flags: bitwise-OR of virConnectFlags
   *
   * This function should be called first to get a connection to the
   * Hypervisor. If necessary, authentication will be performed fetching
@@ -1744,7 +1744,7 @@ error:
  /**
   * virConnectGetSysinfo:
   * @conn: pointer to a hypervisor connection
- * @flags: callers should always pass 0
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * This returns the XML description of the sysinfo details for the
   * host on which the hypervisor is running, in the same format as the
@@ -1927,7 +1927,7 @@ virDomainGetConnect (virDomainPtr dom)
   * virDomainCreateXML:
   * @conn: pointer to the hypervisor connection
   * @xmlDesc: string containing an XML description of the domain
- * @flags: bitwise-or of supported virDomainCreateFlags
+ * @flags: bitwise-OR of supported virDomainCreateFlags
   *
   * Launch a new guest domain, based on an XML description similar
   * to the one returned by virDomainGetXMLDesc()
@@ -1989,7 +1989,7 @@ error:
   * virDomainCreateLinux:
   * @conn: pointer to the hypervisor connection
   * @xmlDesc: string containing an XML description of the domain
- * @flags: callers should always pass 0
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Deprecated after 0.4.6.
   * Renamed to virDomainCreateXML() providing identical functionality.
@@ -2226,7 +2226,7 @@ error:
  /**
   * virDomainDestroyFlags:
   * @domain: a domain object
- * @flags: an OR'ed set of virDomainDestroyFlagsValues
+ * @flags: bitwise-OR of virDomainDestroyFlagsValues
   *
   * Destroy the domain object. The running instance is shutdown if not down
   * already and all resources used by it are given back to the hypervisor.
@@ -2896,7 +2896,7 @@ error:
   * virDomainCoreDump:
   * @domain: a domain object
   * @to: path for the core file
- * @flags: an OR'ed set of virDomainCoreDumpFlags
+ * @flags: bitwise-OR of virDomainCoreDumpFlags
   *
   * This method will dump the core of a domain on a given file for analysis.
   * Note that for remote Xen Daemon the file path will be interpreted in
@@ -2991,7 +2991,7 @@ error:
   * @domain: a domain object
   * @stream: stream to use as output
   * @screen: monitor ID to take screenshot from
- * @flags: extra flags, currently unused
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Take a screenshot of current domain console as a stream. The image format
   * is hypervisor specific. Moreover, some hypervisors supports multiple
@@ -3108,7 +3108,7 @@ error:
  /**
   * virDomainReboot:
   * @domain: a domain object
- * @flags: extra flags for the reboot operation, not used yet
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Reboot a domain, the domain object is still usable there after but
   * the domain OS is being stopped for a restart.
@@ -3155,7 +3155,7 @@ error:
  /**
   * virDomainReset:
   * @domain: a domain object
- * @flags: extra flags for the reboot operation, not used yet
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Reset a domain immediately without any guest OS shutdown.
   * Reset emulates the power reset button on a machine, where all
@@ -3514,11 +3514,11 @@ error:
      return -1;
  }

-/*
+/**
   * virDomainSetMemoryFlags:
   * @domain: a domain object or NULL
   * @memory: the memory size in kilobytes
- * @flags: an OR'ed set of virDomainMemoryModFlags
+ * @flags: bitwise-OR of virDomainMemoryModFlags
   *
   * Dynamically change the target amount of physical memory allocated to a
   * domain. If domain is NULL, then this change the amount of memory reserved
@@ -4084,7 +4084,7 @@ error:
   * @state: returned state of the domain (one of virDomainState)
   * @reason: returned reason which led to @state (one of virDomain*Reason
   * corresponding to the current state); it is allowed to be NULL
- * @flags: additional flags, 0 for now.
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Extract domain state. Each state can be accompanied with a reason (if known)
   * which led to the state.
@@ -4134,7 +4134,7 @@ error:
   * virDomainGetControlInfo:
   * @domain: a domain object
   * @info: pointer to a virDomainControlInfo structure allocated by the user
- * @flags: additional flags, 0 for now
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Extract details about current state of control interface to a domain.
   *
@@ -4181,7 +4181,7 @@ error:
  /**
   * virDomainGetXMLDesc:
   * @domain: a domain object
- * @flags: an OR'ed set of virDomainXMLFlags
+ * @flags: bitwise-OR of virDomainXMLFlags
   *
   * Provide an XML description of the domain. The description may be reused
   * later to relaunch the domain with virDomainCreateXML().
@@ -4242,7 +4242,7 @@ error:
   * @conn: a connection object
   * @nativeFormat: configuration format importing from
   * @nativeConfig: the configuration data to import
- * @flags: currently unused, pass 0
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Reads native configuration data  describing a domain, and
   * generates libvirt domain XML. The format of the native
@@ -4295,7 +4295,7 @@ error:
   * @conn: a connection object
   * @nativeFormat: configuration format exporting to
   * @domainXml: the domain configuration to export
- * @flags: currently unused, pass 0
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Reads a domain XML configuration document, and generates
   * a native configuration file describing the domain.
@@ -4928,7 +4928,7 @@ virDomainMigrateDirect (virDomainPtr domain,
   * virDomainMigrate:
   * @domain: a domain object
   * @dconn: destination host (a connection object)
- * @flags: flags
+ * @flags: bitwise-OR of virDomainMigrateFlags
   * @dname: (optional) rename domain to this at destination
   * @uri: (optional) dest hostname/URI as seen from the source host
   * @bandwidth: (optional) specify migration bandwidth limit in Mbps
@@ -5118,7 +5118,7 @@ error:
   * virDomainMigrate2:
   * @domain: a domain object
   * @dconn: destination host (a connection object)
- * @flags: flags
+ * @flags: bitwise-OR of virDomainMigrateFlags
   * @dxml: (optional) XML config for launching guest on target
   * @dname: (optional) rename domain to this at destination
   * @uri: (optional) dest hostname/URI as seen from the source host
@@ -5329,7 +5329,7 @@ error:
   * virDomainMigrateToURI:
   * @domain: a domain object
   * @duri: mandatory URI for the destination host
- * @flags: flags
+ * @flags: bitwise-OR of virDomainMigrateFlags
   * @dname: (optional) rename domain to this at destination
   * @bandwidth: (optional) specify migration bandwidth limit in Mbps
   *
@@ -5453,7 +5453,7 @@ error:
   * @dconnuri: (optional) URI for target libvirtd if @flags includes VIR_MIGRATE_PEER2PEER
   * @miguri: (optional) URI for invoking the migration, not if @flags includs VIR_MIGRATE_TUNNELLED
   * @dxml: (optional) XML config for launching guest on target
- * @flags: flags
+ * @flags: bitwise-OR of virDomainMigrateFlags
   * @dname: (optional) rename domain to this at destination
   * @bandwidth: (optional) specify migration bandwidth limit in Mbps
   *
@@ -6295,7 +6295,7 @@ error:
   * @params: pointer to node cpu time parameter objects
   * @nparams: number of node cpu time parameter (this value should be same or
   *          less than the number of parameters supported)
- * @flags: currently unused, for future extension. always pass 0.
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * This function provides individual cpu statistics of the node.
   * If you want to get total cpu statistics of the node, you must specify
@@ -6385,7 +6385,7 @@ error:
   * @params: pointer to node memory stats objects
   * @nparams: number of node memory stats (this value should be same or
   *          less than the number of stats supported)
- * @flags: currently unused, for future extension. always pass 0.
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * This function provides memory stats of the node.
   * If you want to get total cpu statistics of the node, you must specify
@@ -6511,8 +6511,7 @@ error:
   *                  which is a combination of the former modes).
   * @duration: the time duration in seconds for which the host
   *            has to be suspended
- * @flags: any flag values that might need to be passed;
- *         currently unused (0).
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Attempt to suspend the node (host machine) for the given duration of
   * time in the specified state (Suspend-to-RAM, Suspend-to-Disk or
@@ -7219,7 +7218,7 @@ error:
   * @dom: pointer to the domain object
   * @stats: nr_stats-sized array of stat structures (returned)
   * @nr_stats: number of memory statistics requested
- * @flags: unused, always pass 0
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * This function provides memory statistics for the domain.
   *
@@ -7292,7 +7291,7 @@ error:
   * @offset: offset within block device
   * @size: size to read
   * @buffer: return buffer (must be at least size bytes)
- * @flags: unused, always pass 0
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * This function allows you to read the contents of a domain's
   * disk device.
@@ -7387,7 +7386,7 @@ error:
   * @dom: pointer to the domain object
   * @disk: path to the block image, or shorthand
   * @size: new size of the block image in kilobytes
- * @flags: unused, always pass 0
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Note that this call may fail if the underlying virtualization hypervisor
   * does not support it. And this call requires privileged access to the
@@ -7456,7 +7455,7 @@ error:
   * @start: start of memory to peek
   * @size: size of memory to peek
   * @buffer: return buffer (must be at least size bytes)
- * @flags: flags, see below
+ * @flags: bitwise-OR of virDomainMemoryFlags
   *
   * This function allows you to read the contents of a domain's
   * memory.
@@ -7566,7 +7565,7 @@ error:
   * @domain: a domain object
   * @disk: path to the block device, or device shorthand
   * @info: pointer to a virDomainBlockInfo structure allocated by the user
- * @flags: currently unused, pass zero
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Extract information about a domain's block device.
   *
@@ -7724,7 +7723,7 @@ error:
  /**
   * virDomainUndefineFlags:
   * @domain: pointer to a defined domain
- * @flags: bitwise-or of supported virDomainUndefineFlagsValues
+ * @flags: bitwise-OR of supported virDomainUndefineFlagsValues
   *
   * Undefine a domain. If the domain is running, it's converted to
   * transient domain, without stopping it. If the domain is inactive,
@@ -7910,7 +7909,7 @@ error:
  /**
   * virDomainCreateWithFlags:
   * @domain: pointer to a defined domain
- * @flags: bitwise-or of supported virDomainCreateFlags
+ * @flags: bitwise-OR of supported virDomainCreateFlags
   *
   * Launch a defined domain. If the call succeeds the domain moves from the
   * defined to the running domains pools.
@@ -8073,7 +8072,7 @@ error:
  /**
   * virDomainInjectNMI:
   * @domain: pointer to domain object, or NULL for Domain0
- * @flags:  the flags for controlling behavior, pass 0 for now
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Send NMI to the guest
   *
@@ -8121,7 +8120,7 @@ error:
   * @holdtime:  the duration (in milliseconds) that the keys will be held
   * @keycodes:  array of keycodes
   * @nkeycodes: number of keycodes, up to VIR_DOMAIN_SEND_KEY_MAX_KEYS
- * @flags:     the flags for controlling behavior, pass 0 for now
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Send key(s) to the guest.
   *
@@ -8238,7 +8237,7 @@ error:
   * virDomainSetVcpusFlags:
   * @domain: pointer to domain object, or NULL for Domain0
   * @nvcpus: the new number of virtual CPUs for this domain, must be at least 1
- * @flags: an OR'ed set of virDomainVcpuFlags
+ * @flags: bitwise-OR of virDomainVcpuFlags
   *
   * Dynamically change the number of virtual CPUs used by the domain.
   * Note that this call may fail if the underlying virtualization hypervisor
@@ -8310,7 +8309,7 @@ error:
  /**
   * virDomainGetVcpusFlags:
   * @domain: pointer to domain object, or NULL for Domain0
- * @flags: an OR'ed set of virDomainVcpuFlags
+ * @flags: bitwise-OR of virDomainVcpuFlags
   *
   * Query the number of virtual CPUs used by the domain.  Note that
   * this call may fail if the underlying virtualization hypervisor does
@@ -8526,7 +8525,7 @@ error:
   *     Must not be NULL.
   * @maplen: the number of bytes in one cpumap, from 1 up to size of CPU map.
   *     Must be positive.
- * @flags: an OR'ed set of virDomainModificationImpact
+ * @flags: bitwise-OR of virDomainModificationImpact
   *     Must not be VIR_DOMAIN_AFFECT_LIVE and
   *     VIR_DOMAIN_AFFECT_CONFIG concurrently.
   *
@@ -8847,7 +8846,7 @@ error:
   * virDomainAttachDeviceFlags:
   * @domain: pointer to domain object
   * @xml: pointer to XML description of one device
- * @flags: an OR'ed set of virDomainDeviceModifyFlags
+ * @flags: bitwise-OR of virDomainDeviceModifyFlags
   *
   * Attach a virtual device to a domain, using the flags parameter
   * to control how the device is attached.  VIR_DOMAIN_AFFECT_CURRENT
@@ -8964,7 +8963,7 @@ error:
   * virDomainDetachDeviceFlags:
   * @domain: pointer to domain object
   * @xml: pointer to XML description of one device
- * @flags: an OR'ed set of virDomainDeviceModifyFlags
+ * @flags: bitwise-OR of virDomainDeviceModifyFlags
   *
   * Detach a virtual device from a domain, using the flags parameter
   * to control how the device is detached.  VIR_DOMAIN_AFFECT_CURRENT
@@ -9026,7 +9025,7 @@ error:
   * virDomainUpdateDeviceFlags:
   * @domain: pointer to domain object
   * @xml: pointer to XML description of one device
- * @flags: an OR'ed set of virDomainDeviceModifyFlags
+ * @flags: bitwise-OR of virDomainDeviceModifyFlags
   *
   * Change a virtual device on a domain, using the flags parameter
   * to control how the device is changed.  VIR_DOMAIN_AFFECT_CURRENT
@@ -9836,7 +9835,7 @@ error:
  /**
   * virNetworkGetXMLDesc:
   * @network: a network object
- * @flags: an OR'ed set of extraction flags, not used yet
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Provide an XML description of the network. The description may be reused
   * later to relaunch the network with virNetworkCreateXML().
@@ -10338,7 +10337,7 @@ virInterfaceGetMACString(virInterfacePtr iface)
  /**
   * virInterfaceGetXMLDesc:
   * @iface: an interface object
- * @flags: an OR'ed set of extraction flags. Current valid bits:
+ * @flags: bitwise-OR of extraction flags. Current valid bits:
   *
   *      VIR_INTERFACE_XML_INACTIVE - return the static configuration,
   *                                   suitable for use redefining the
@@ -10388,9 +10387,8 @@ error:
   * virInterfaceDefineXML:
   * @conn: pointer to the hypervisor connection
   * @xml: the XML description for the interface, preferably in UTF-8
- * @flags: and OR'ed set of extraction flags, not used yet
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
-
   * Define an interface (or modify existing interface configuration).
   *
   * Normally this change in the interface configuration is immediately
@@ -10496,7 +10494,7 @@ error:
  /**
   * virInterfaceCreate:
   * @iface: pointer to a defined interface
- * @flags: and OR'ed set of extraction flags, not used yet
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Activate an interface (i.e. call "ifup").
   *
@@ -10544,7 +10542,7 @@ error:
  /**
   * virInterfaceDestroy:
   * @iface: an interface object
- * @flags: and OR'ed set of extraction flags, not used yet
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * deactivate an interface (ie call "ifdown")
   * This does not remove the interface from the config, and
@@ -10657,7 +10655,7 @@ virInterfaceFree(virInterfacePtr iface)
  /**
   * virInterfaceChangeBegin:
   * @conn: pointer to hypervisor connection
- * @flags: flags, not used yet
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * This function creates a restore point to which one can return
   * later by calling virInterfaceChangeRollback(). This function should
@@ -10707,7 +10705,7 @@ error:
  /**
   * virInterfaceChangeCommit:
   * @conn: pointer to hypervisor connection
- * @flags: flags, not used yet
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * This commits the changes made to interfaces and frees the restore point
   * created by virInterfaceChangeBegin().
@@ -10754,7 +10752,7 @@ error:
  /**
   * virInterfaceChangeRollback:
   * @conn: pointer to hypervisor connection
- * @flags: flags, not used yet
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * This cancels changes made to interfaces settings by restoring previous
   * state created by virInterfaceChangeBegin().
@@ -11003,7 +11001,7 @@ error:
   * @conn: pointer to hypervisor connection
   * @type: type of storage pool sources to discover
   * @srcSpec: XML document specifying discovery source
- * @flags: flags for discovery (unused, pass 0)
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Talks to a storage backend and attempts to auto-discover the set of
   * available storage pool sources. e.g. For iSCSI this would be a set of
@@ -11228,7 +11226,7 @@ error:
   * virStoragePoolCreateXML:
   * @conn: pointer to hypervisor connection
   * @xmlDesc: XML description for new pool
- * @flags: future flags, use 0 for now
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Create a new storage based on its XML description. The
   * pool is not persistent, so its definition will disappear
@@ -11278,7 +11276,7 @@ error:
   * virStoragePoolDefineXML:
   * @conn: pointer to hypervisor connection
   * @xml: XML description for new pool
- * @flags: future flags, use 0 for now
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Define a new inactive storage pool based on its XML description. The
   * pool is persistent, until explicitly undefined.
@@ -11326,8 +11324,7 @@ error:
  /**
   * virStoragePoolBuild:
   * @pool: pointer to storage pool
- * @flags: future flags, use 0 for now
- * @flags: flags to control pool build behaviour
+ * @flags: bitwise-OR of virStoragePoolBuildFlags
   *
   * Currently only filesystem pool accepts flags VIR_STORAGE_POOL_BUILD_OVERWRITE
   * and VIR_STORAGE_POOL_BUILD_NO_OVERWRITE.
@@ -11418,7 +11415,7 @@ error:
  /**
   * virStoragePoolCreate:
   * @pool: pointer to storage pool
- * @flags: future flags, use 0 for now
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Starts an inactive storage pool
   *
@@ -11510,7 +11507,7 @@ error:
  /**
   * virStoragePoolDelete:
   * @pool: pointer to storage pool
- * @flags: flags for obliteration process
+ * @flags: bitwise-OR of virStoragePoolDeleteFlags
   *
   * Delete the underlying pool resources. This is
   * a non-recoverable operation. The virStoragePoolPtr object
@@ -11620,7 +11617,7 @@ virStoragePoolRef(virStoragePoolPtr pool)
  /**
   * virStoragePoolRefresh:
   * @pool: pointer to storage pool
- * @flags: flags to control refresh behaviour (currently unused, use 0)
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Request that the pool refresh its list of volumes. This may
   * involve communicating with a remote server, and/or initializing
@@ -11817,7 +11814,7 @@ error:
  /**
   * virStoragePoolGetXMLDesc:
   * @pool: pointer to storage pool
- * @flags: flags for XML format options (set of virDomainXMLFlags)
+ * @flags: bitwise-OR of virDomainXMLFlags
   *
   * Fetch an XML document describing all aspects of the
   * storage pool. This is suitable for later feeding back
@@ -12253,7 +12250,7 @@ virStorageVolGetKey(virStorageVolPtr vol)
   * virStorageVolCreateXML:
   * @pool: pointer to storage pool
   * @xmldesc: description of volume to create
- * @flags: flags for creation (unused, pass 0)
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Create a storage volume within a pool based
   * on an XML description. Not all pools support
@@ -12307,7 +12304,7 @@ error:
   * @pool: pointer to parent pool for the new volume
   * @xmldesc: description of volume to create
   * @clonevol: storage volume to use as input
- * @flags: flags for creation (unused, pass 0)
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Create a storage volume in the parent pool, using the
   * 'clonevol' volume as input. Information for the new
@@ -12372,7 +12369,7 @@ error:
   * @stream: stream to use as output
   * @offset: position in @vol to start reading from
   * @length: limit on amount of data to download
- * @flags: future flags (unused, pass 0)
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Download the content of the volume as a stream. If @length
   * is zero, then the remaining contents of the volume after
@@ -12441,7 +12438,7 @@ error:
   * @stream: stream to use as input
   * @offset: position to start writing to
   * @length: limit on amount of data to upload
- * @flags: flags for creation (unused, pass 0)
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Upload new content to the volume from a stream. This call
   * will fail if @offset + @length exceeds the size of the
@@ -12509,7 +12506,7 @@ error:
  /**
   * virStorageVolDelete:
   * @vol: pointer to storage volume
- * @flags: future flags, use 0 for now
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Delete the storage volume from the pool
   *
@@ -12555,7 +12552,7 @@ error:
  /**
   * virStorageVolWipe:
   * @vol: pointer to storage volume
- * @flags: future flags, use 0 for now
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Ensure data previously on a volume is not accessible to future reads
   *
@@ -12712,7 +12709,7 @@ error:
  /**
   * virStorageVolGetXMLDesc:
   * @vol: pointer to storage volume
- * @flags: flags for XML generation (unused, pass 0)
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Fetch an XML document describing all aspects of
   * the storage volume
@@ -12801,7 +12798,7 @@ error:
   * virNodeNumOfDevices:
   * @conn: pointer to the hypervisor connection
   * @cap: capability name
- * @flags: flags (unused, pass 0)
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Provides the number of node devices.
   *
@@ -12845,7 +12842,7 @@ error:
   * @cap: capability name
   * @names: array to collect the list of node device names
   * @maxnames: size of @names
- * @flags: flags (unused, pass 0)
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Collect the list of node devices, and store their names in @names
   *
@@ -12936,7 +12933,7 @@ error:
  /**
   * virNodeDeviceGetXMLDesc:
   * @dev: pointer to the node device
- * @flags: flags for XML generation (unused, pass 0)
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Fetch an XML document describing all aspects of
   * the device.
@@ -13321,7 +13318,7 @@ error:
   * virNodeDeviceCreateXML:
   * @conn: pointer to the hypervisor connection
   * @xmlDesc: string containing an XML description of the device to be created
- * @flags: callers should always pass 0
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Create a new device on the VM host machine, for example, virtual
   * HBAs created using vport_create.
@@ -13766,7 +13763,7 @@ error:
   * virSecretDefineXML:
   * @conn: virConnect connection
   * @xml: XML describing the secret.
- * @flags: flags, use 0 for now
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * If XML specifies a UUID, locates the specified secret and replaces all
   * attributes of the secret specified by UUID by attributes specified in xml
@@ -13949,7 +13946,7 @@ virSecretGetUsageID(virSecretPtr secret)
  /**
   * virSecretGetXMLDesc:
   * @secret: A virSecret secret
- * @flags: flags, use 0 for now
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Fetches an XML document describing attributes of the secret.
   *
@@ -13993,7 +13990,7 @@ error:
   * @secret: A virSecret secret
   * @value: Value of the secret
   * @value_size: Size of the value
- * @flags: flags, use 0 for now
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Sets the value of a secret.
   *
@@ -14045,7 +14042,7 @@ error:
   * virSecretGetValue:
   * @secret: A virSecret connection
   * @value_size: Place for storing size of the secret value
- * @flags: flags, use 0 for now
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Fetches the value of a secret.
   *
@@ -14199,7 +14196,7 @@ virSecretFree(virSecretPtr secret)
  /**
   * virStreamNew:
   * @conn: pointer to the connection
- * @flags: control features of the stream
+ * @flags: bitwise-OR of virStreamFlags
   *
   * Creates a new stream object which can be used to perform
   * streamed I/O with other public API function.
@@ -15591,7 +15588,7 @@ error:
  /**
   * virNWFilterGetXMLDesc:
   * @nwfilter: a nwfilter object
- * @flags: an OR'ed set of extraction flags, not used yet
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Provide an XML description of the network filter. The description may be
   * reused later to redefine the network filter with virNWFilterCreateXML().
@@ -15773,7 +15770,7 @@ error:
   * virConnectCompareCPU:
   * @conn: virConnect connection
   * @xmlDesc: XML describing the CPU to compare with host CPU
- * @flags: currently unused, pass 0
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Compares the given CPU description with the host CPU
   *
@@ -15821,7 +15818,7 @@ error:
   * @conn: virConnect connection
   * @xmlCPUs: array of XML descriptions of host CPUs
   * @ncpus: number of CPUs in xmlCPUs
- * @flags: fine-tuning flags, currently unused, pass 0.
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Computes the most feature-rich CPU which is compatible with all given
   * host CPUs.
@@ -15972,7 +15969,7 @@ error:
   * virDomainMigrateSetMaxDowntime:
   * @domain: a domain object
   * @downtime: maximum tolerable downtime for live migration, in milliseconds
- * @flags: fine-tuning flags, currently unused, use 0
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Sets maximum tolerable time for which the domain is allowed to be paused
   * at the end of live migration. It's supposed to be called while the domain is
@@ -16019,7 +16016,7 @@ error:
   * virDomainMigrateSetMaxSpeed:
   * @domain: a domain object
   * @bandwidth: migration bandwidth limit in Mbps
- * @flags: fine-tuning flags, currently unused, use 0
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * The maximum bandwidth (in Mbps) that will be used to do migration
   * can be specified with the bandwidth parameter. Not all hypervisors
@@ -16066,7 +16063,7 @@ error:
   * virDomainMigrateGetMaxSpeed:
   * @domain: a domain object
   * @bandwidth: return value of current migration bandwidth limit in Mbps
- * @flags: fine-tuning flags, currently unused, use 0
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Get the current maximum bandwidth (in Mbps) that will be used if the
   * domain is migrated.  Not all hypervisors will support a bandwidth limit.
@@ -16305,7 +16302,7 @@ error:
  /**
   * virDomainHasManagedSaveImage:
   * @dom: pointer to the domain
- * @flags: optional flags currently unused
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Check if a domain has a managed save image as created by
   * virDomainManagedSave(). Note that any running domain should not have
@@ -16349,7 +16346,7 @@ error:
  /**
   * virDomainManagedSaveRemove:
   * @dom: pointer to the domain
- * @flags: optional flags currently unused
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Remove any managed save image for this domain.
   *
@@ -16640,7 +16637,7 @@ error:
  /**
   * virDomainSnapshotNum:
   * @domain: a domain object
- * @flags: bitwise-or of supported virDomainSnapshotListFlags
+ * @flags: bitwise-OR of supported virDomainSnapshotListFlags
   *
   * Provides the number of domain snapshots for this domain.
   *
@@ -16691,7 +16688,7 @@ error:
   * @domain: a domain object
   * @names: array to collect the list of names of snapshots
   * @nameslen: size of @names
- * @flags: bitwise-or of supported virDomainSnapshotListFlags
+ * @flags: bitwise-OR of supported virDomainSnapshotListFlags
   *
   * Collect the list of domain snapshots for the given domain, and store
   * their names in @names.  Caller is responsible for freeing each member
@@ -16752,7 +16749,7 @@ error:
  /**
   * virDomainSnapshotNumChildren:
   * @snapshot: a domain snapshot object
- * @flags: bitwise-or of supported virDomainSnapshotListFlags
+ * @flags: bitwise-OR of supported virDomainSnapshotListFlags
   *
   * Provides the number of child snapshots for this domain snapshot.
   *
@@ -16804,7 +16801,7 @@ error:
   * @snapshot: a domain snapshot object
   * @names: array to collect the list of names of snapshots
   * @nameslen: size of @names
- * @flags: bitwise-or of supported virDomainSnapshotListFlags
+ * @flags: bitwise-OR of supported virDomainSnapshotListFlags
   *
   * Collect the list of domain snapshots that are children of the given
   * snapshot, and store their names in @names.  Caller is responsible for
@@ -16870,7 +16867,7 @@ error:
   * virDomainSnapshotLookupByName:
   * @domain: a domain object
   * @name: name for the domain snapshot
- * @flags: unused flag parameters; callers should pass 0
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Try to lookup a domain snapshot based on its name.
   *
@@ -16919,7 +16916,7 @@ error:
  /**
   * virDomainHasCurrentSnapshot:
   * @domain: pointer to the domain object
- * @flags: unused flag parameters; callers should pass 0
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Determine if the domain has a current snapshot.
   *
@@ -16958,7 +16955,7 @@ error:
  /**
   * virDomainSnapshotCurrent:
   * @domain: a domain object
- * @flags: unused flag parameters; callers should pass 0
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Get the current snapshot for a domain, if any.
   *
@@ -17001,7 +16998,7 @@ error:
  /**
   * virDomainSnapshotGetParent:
   * @snapshot: a snapshot object
- * @flags: unused flag parameters; callers should pass 0
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Get the parent snapshot for @snapshot, if any.
   *
@@ -17131,7 +17128,7 @@ error:
  /**
   * virDomainSnapshotDelete:
   * @snapshot: a domain snapshot object
- * @flags: bitwise-or of supported virDomainSnapshotDeleteFlags
+ * @flags: bitwise-OR of supported virDomainSnapshotDeleteFlags
   *
   * Delete the snapshot.
   *
@@ -17230,7 +17227,7 @@ virDomainSnapshotFree(virDomainSnapshotPtr snapshot)
   * @dom: a domain object
   * @dev_name: the console, serial or parallel port device alias, or NULL
   * @st: a stream to associate with the console
- * @flags: unused, pass 0
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * This opens the backend associated with a console, serial or
   * parallel port device on a guest, if the backend is supported.
@@ -17284,7 +17281,7 @@ error:
   * virDomainBlockJobAbort:
   * @dom: pointer to domain object
   * @disk: path to the block device, or device shorthand
- * @flags: currently unused, for future extension
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Cancel the active block job on the given disk.
   *
@@ -17344,7 +17341,7 @@ error:
   * @dom: pointer to domain object
   * @disk: path to the block device, or device shorthand
   * @info: pointer to a virDomainBlockJobInfo structure
- * @flags: currently unused, for future extension
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Request block job information for the given disk.  If an operation is active
   * @info will be updated with the current progress.
@@ -17406,7 +17403,7 @@ error:
   * @dom: pointer to domain object
   * @disk: path to the block device, or device shorthand
   * @bandwidth: specify bandwidth limit in Mbps
- * @flags: currently unused, for future extension
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Set the maximimum allowable bandwidth that a block job may consume.  If
   * bandwidth is 0, the limit will revert to the hypervisor default.
@@ -17468,7 +17465,7 @@ error:
   * @dom: pointer to domain object
   * @disk: path to the block device, or device shorthand
   * @bandwidth: (optional) specify copy bandwidth limit in Mbps
- * @flags: currently unused, for future extension
+ * @flags: extra flags; not used yet, so callers should always pass 0
   *
   * Populate a disk image with data from its backing image.  Once all data from
   * its backing image has been pulled, the disk no longer depends on a backing
@@ -17540,7 +17537,7 @@ error:
   * @dom: pointer to domain object
   * @idx: index of graphics config to open
   * @fd: file descriptor to attach graphics to
- * @flags: flags to control open operation
+ * @flags: bitwise-OR of virDomainOpenGraphicsFlags
   *
   * This will attempt to connect the file descriptor @fd, to
   * the graphics backend of @dom. If @dom has multiple graphics
@@ -17721,7 +17718,7 @@ error:
   * @params: Pointer to blkio parameter objects
   * @nparams: Number of blkio parameters (this value can be the same or
   *           less than the number of parameters supported)
- * @flags: An OR'ed set of virDomainModificationImpact
+ * @flags: bitwise-OR of virDomainModificationImpact
   *
   * Change all or a subset of the per-device block IO tunables.
   *
@@ -17790,7 +17787,7 @@ error:
   * @params: Pointer to blkio parameter object
   *          (return value, allocated by the caller)
   * @nparams: Pointer to number of blkio parameters
- * @flags: An OR'ed set of virDomainModificationImpact
+ * @flags: bitwise-OR of virDomainModificationImpact and virTypedParameterFlags
   *
   * Get all block IO tunable parameters for a given device.  On input,
   * @nparams gives the size of the @params array; on output, @nparams

ACK.


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