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568a417224
Require that all headers are guarded by a symbol named LIBVIRT_$FILENAME where $FILENAME is the uppercased filename, with all characters outside a-z changed into '_'. Note we do not use a leading __ because that is technically a namespace reserved for the toolchain. Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
220 lines
9.1 KiB
C
220 lines
9.1 KiB
C
/*
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* libvirt-nodedev.h
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* Summary: APIs for management of nodedevs
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* Description: Provides APIs for the management of nodedevs
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*
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* Copyright (C) 2006-2014 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#ifndef LIBVIRT_NODEDEV_H
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# define LIBVIRT_NODEDEV_H
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# ifndef __VIR_LIBVIRT_H_INCLUDES__
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# error "Don't include this file directly, only use libvirt/libvirt.h"
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# endif
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/**
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* virNodeDevice:
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*
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* A virNodeDevice contains a node (host) device details.
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*/
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typedef struct _virNodeDevice virNodeDevice;
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/**
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* virNodeDevicePtr:
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*
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* A virNodeDevicePtr is a pointer to a virNodeDevice structure. Get
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* one via virNodeDeviceLookupByName, or virNodeDeviceCreate. Be sure
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* to call virNodeDeviceFree when done using a virNodeDevicePtr obtained
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* from any of the above functions to avoid leaking memory.
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*/
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typedef virNodeDevice *virNodeDevicePtr;
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int virNodeNumOfDevices (virConnectPtr conn,
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const char *cap,
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unsigned int flags);
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int virNodeListDevices (virConnectPtr conn,
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const char *cap,
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char **const names,
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int maxnames,
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unsigned int flags);
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/*
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* virConnectListAllNodeDevices:
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*
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* Flags used to filter the returned node devices. Flags in each group
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* are exclusive. Currently only one group to filter the devices by cap
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* type.
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*/
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typedef enum {
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VIR_CONNECT_LIST_NODE_DEVICES_CAP_SYSTEM = 1 << 0, /* System capability */
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VIR_CONNECT_LIST_NODE_DEVICES_CAP_PCI_DEV = 1 << 1, /* PCI device */
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VIR_CONNECT_LIST_NODE_DEVICES_CAP_USB_DEV = 1 << 2, /* USB device */
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VIR_CONNECT_LIST_NODE_DEVICES_CAP_USB_INTERFACE = 1 << 3, /* USB interface */
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VIR_CONNECT_LIST_NODE_DEVICES_CAP_NET = 1 << 4, /* Network device */
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VIR_CONNECT_LIST_NODE_DEVICES_CAP_SCSI_HOST = 1 << 5, /* SCSI Host Bus Adapter */
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VIR_CONNECT_LIST_NODE_DEVICES_CAP_SCSI_TARGET = 1 << 6, /* SCSI Target */
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VIR_CONNECT_LIST_NODE_DEVICES_CAP_SCSI = 1 << 7, /* SCSI device */
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VIR_CONNECT_LIST_NODE_DEVICES_CAP_STORAGE = 1 << 8, /* Storage device */
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VIR_CONNECT_LIST_NODE_DEVICES_CAP_FC_HOST = 1 << 9, /* FC Host Bus Adapter */
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VIR_CONNECT_LIST_NODE_DEVICES_CAP_VPORTS = 1 << 10, /* Capable of vport */
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VIR_CONNECT_LIST_NODE_DEVICES_CAP_SCSI_GENERIC = 1 << 11, /* Capable of scsi_generic */
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VIR_CONNECT_LIST_NODE_DEVICES_CAP_DRM = 1 << 12, /* DRM device */
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VIR_CONNECT_LIST_NODE_DEVICES_CAP_MDEV_TYPES = 1 << 13, /* Capable of mediated devices */
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VIR_CONNECT_LIST_NODE_DEVICES_CAP_MDEV = 1 << 14, /* Mediated device */
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VIR_CONNECT_LIST_NODE_DEVICES_CAP_CCW_DEV = 1 << 15, /* CCW device */
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} virConnectListAllNodeDeviceFlags;
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int virConnectListAllNodeDevices (virConnectPtr conn,
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virNodeDevicePtr **devices,
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unsigned int flags);
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virNodeDevicePtr virNodeDeviceLookupByName (virConnectPtr conn,
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const char *name);
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virNodeDevicePtr virNodeDeviceLookupSCSIHostByWWN (virConnectPtr conn,
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const char *wwnn,
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const char *wwpn,
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unsigned int flags);
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const char * virNodeDeviceGetName (virNodeDevicePtr dev);
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const char * virNodeDeviceGetParent (virNodeDevicePtr dev);
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int virNodeDeviceNumOfCaps (virNodeDevicePtr dev);
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int virNodeDeviceListCaps (virNodeDevicePtr dev,
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char **const names,
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int maxnames);
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char * virNodeDeviceGetXMLDesc (virNodeDevicePtr dev,
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unsigned int flags);
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int virNodeDeviceRef (virNodeDevicePtr dev);
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int virNodeDeviceFree (virNodeDevicePtr dev);
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int virNodeDeviceDettach (virNodeDevicePtr dev);
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int virNodeDeviceDetachFlags(virNodeDevicePtr dev,
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const char *driverName,
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unsigned int flags);
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int virNodeDeviceReAttach (virNodeDevicePtr dev);
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int virNodeDeviceReset (virNodeDevicePtr dev);
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virNodeDevicePtr virNodeDeviceCreateXML (virConnectPtr conn,
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const char *xmlDesc,
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unsigned int flags);
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int virNodeDeviceDestroy (virNodeDevicePtr dev);
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/**
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* VIR_NODE_DEVICE_EVENT_CALLBACK:
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*
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* Used to cast the event specific callback into the generic one
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* for use for virConnectNodeDeviceEventRegisterAny()
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*/
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# define VIR_NODE_DEVICE_EVENT_CALLBACK(cb)((virConnectNodeDeviceEventGenericCallback)(cb))
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/**
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* virNodeDeviceEventID:
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*
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* An enumeration of supported eventId parameters for
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* virConnectNodeDeviceEventRegisterAny(). Each event id determines which
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* signature of callback function will be used.
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*/
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typedef enum {
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VIR_NODE_DEVICE_EVENT_ID_LIFECYCLE = 0, /* virConnectNodeDeviceEventLifecycleCallback */
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VIR_NODE_DEVICE_EVENT_ID_UPDATE = 1, /* virConnectNodeDeviceEventGenericCallback */
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# ifdef VIR_ENUM_SENTINELS
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VIR_NODE_DEVICE_EVENT_ID_LAST
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/*
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* NB: this enum value will increase over time as new events are
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* added to the libvirt API. It reflects the last event ID supported
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* by this version of the libvirt API.
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*/
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# endif
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} virNodeDeviceEventID;
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/**
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* virConnectNodeDeviceEventGenericCallback:
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* @conn: the connection pointer
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* @dev: the node device pointer
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* @opaque: application specified data
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*
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* A generic node device event callback handler, for use with
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* virConnectNodeDeviceEventRegisterAny(). Specific events usually
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* have a customization with extra parameters, often with @opaque being
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* passed in a different parameter position; use
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* VIR_NODE_DEVICE_EVENT_CALLBACK() when registering an appropriate handler.
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*/
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typedef void (*virConnectNodeDeviceEventGenericCallback)(virConnectPtr conn,
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virNodeDevicePtr dev,
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void *opaque);
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/* Use VIR_NODE_DEVICE_EVENT_CALLBACK() to cast the 'cb' parameter */
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int virConnectNodeDeviceEventRegisterAny(virConnectPtr conn,
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virNodeDevicePtr dev, /* optional, to filter */
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int eventID,
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virConnectNodeDeviceEventGenericCallback cb,
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void *opaque,
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virFreeCallback freecb);
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int virConnectNodeDeviceEventDeregisterAny(virConnectPtr conn,
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int callbackID);
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/**
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* virNodeDeviceEventLifecycleType:
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*
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* a virNodeDeviceEventLifecycleType is emitted during node device
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* lifecycle events
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*/
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typedef enum {
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VIR_NODE_DEVICE_EVENT_CREATED = 0,
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VIR_NODE_DEVICE_EVENT_DELETED = 1,
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# ifdef VIR_ENUM_SENTINELS
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VIR_NODE_DEVICE_EVENT_LAST
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# endif
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} virNodeDeviceEventLifecycleType;
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/**
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* virConnectNodeDeviceEventLifecycleCallback:
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* @conn: connection object
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* @dev: node device on which the event occurred
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* @event: The specific virNodeDeviceEventLifeCycleType which occurred
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* @detail: contains some details on the reason of the event.
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* @opaque: application specified data
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*
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* This callback is called when a node device lifecycle action is performed,
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* like added or removed.
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*
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* The callback signature to use when registering for an event of type
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* VIR_NODE_DEVICE_EVENT_ID_LIFECYCLE with
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* virConnectNodeDeviceEventRegisterAny()
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*/
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typedef void (*virConnectNodeDeviceEventLifecycleCallback)(virConnectPtr conn,
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virNodeDevicePtr dev,
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int event,
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int detail,
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void *opaque);
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#endif /* LIBVIRT_NODEDEV_H */
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