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55ea7be7d9
For stateless, client side drivers, it is never correct to
probe for secondary drivers. It is only ever appropriate to
use the secondary driver that is associated with the
hypervisor in question. As a result the ESX & HyperV drivers
have both been forced to do hacks where they register no-op
drivers for the ones they don't implement.
For stateful, server side drivers, we always just want to
use the same built-in shared driver. The exception is
virtualbox which is really a stateless driver and so wants
to use its own server side secondary drivers. To deal with
this virtualbox has to be built as 3 separate loadable
modules to allow registration to work in the right order.
This can all be simplified by introducing a new struct
recording the precise set of secondary drivers each
hypervisor driver wants
struct _virConnectDriver {
virHypervisorDriverPtr hypervisorDriver;
virInterfaceDriverPtr interfaceDriver;
virNetworkDriverPtr networkDriver;
virNodeDeviceDriverPtr nodeDeviceDriver;
virNWFilterDriverPtr nwfilterDriver;
virSecretDriverPtr secretDriver;
virStorageDriverPtr storageDriver;
};
Instead of registering the hypervisor driver, we now
just register a virConnectDriver instead. This allows
us to remove all probing of secondary drivers. Once we
have chosen the primary driver, we immediately know the
correct secondary drivers to use.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
158 lines
5.2 KiB
C
158 lines
5.2 KiB
C
/*
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* driver-network.h: entry points for network drivers
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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 __VIR_DRIVER_NETWORK_H__
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# define __VIR_DRIVER_NETWORK_H__
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# ifndef __VIR_DRIVER_H_INCLUDES___
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# error "Don't include this file directly, only use driver.h"
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# endif
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typedef int
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(*virDrvConnectNumOfNetworks)(virConnectPtr conn);
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typedef int
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(*virDrvConnectListNetworks)(virConnectPtr conn,
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char **const names,
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int maxnames);
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typedef int
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(*virDrvConnectNumOfDefinedNetworks)(virConnectPtr conn);
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typedef int
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(*virDrvConnectListDefinedNetworks)(virConnectPtr conn,
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char **const names,
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int maxnames);
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typedef int
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(*virDrvConnectListAllNetworks)(virConnectPtr conn,
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virNetworkPtr **nets,
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unsigned int flags);
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typedef int
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(*virDrvConnectNetworkEventRegisterAny)(virConnectPtr conn,
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virNetworkPtr dom,
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int eventID,
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virConnectNetworkEventGenericCallback cb,
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void *opaque,
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virFreeCallback freecb);
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typedef int
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(*virDrvConnectNetworkEventDeregisterAny)(virConnectPtr conn,
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int callbackID);
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typedef virNetworkPtr
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(*virDrvNetworkLookupByUUID)(virConnectPtr conn,
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const unsigned char *uuid);
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typedef virNetworkPtr
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(*virDrvNetworkLookupByName)(virConnectPtr conn,
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const char *name);
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typedef virNetworkPtr
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(*virDrvNetworkCreateXML)(virConnectPtr conn,
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const char *xmlDesc);
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typedef virNetworkPtr
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(*virDrvNetworkDefineXML)(virConnectPtr conn,
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const char *xml);
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typedef int
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(*virDrvNetworkUndefine)(virNetworkPtr network);
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typedef int
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(*virDrvNetworkUpdate)(virNetworkPtr network,
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unsigned int command, /* virNetworkUpdateCommand */
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unsigned int section, /* virNetworkUpdateSection */
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int parentIndex,
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const char *xml,
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unsigned int flags);
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typedef int
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(*virDrvNetworkCreate)(virNetworkPtr network);
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typedef int
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(*virDrvNetworkDestroy)(virNetworkPtr network);
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typedef char *
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(*virDrvNetworkGetXMLDesc)(virNetworkPtr network,
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unsigned int flags);
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typedef char *
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(*virDrvNetworkGetBridgeName)(virNetworkPtr network);
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typedef int
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(*virDrvNetworkGetAutostart)(virNetworkPtr network,
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int *autostart);
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typedef int
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(*virDrvNetworkSetAutostart)(virNetworkPtr network,
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int autostart);
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typedef int
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(*virDrvNetworkIsActive)(virNetworkPtr net);
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typedef int
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(*virDrvNetworkIsPersistent)(virNetworkPtr net);
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typedef int
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(*virDrvNetworkGetDHCPLeases)(virNetworkPtr network,
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const char *mac,
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virNetworkDHCPLeasePtr **leases,
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unsigned int flags);
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typedef struct _virNetworkDriver virNetworkDriver;
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typedef virNetworkDriver *virNetworkDriverPtr;
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/**
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* _virNetworkDriver:
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*
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* Structure associated to a network virtualization driver, defining the various
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* entry points for it.
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*/
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struct _virNetworkDriver {
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const char *name; /* the name of the driver */
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virDrvConnectNumOfNetworks connectNumOfNetworks;
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virDrvConnectListNetworks connectListNetworks;
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virDrvConnectNumOfDefinedNetworks connectNumOfDefinedNetworks;
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virDrvConnectListDefinedNetworks connectListDefinedNetworks;
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virDrvConnectListAllNetworks connectListAllNetworks;
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virDrvConnectNetworkEventRegisterAny connectNetworkEventRegisterAny;
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virDrvConnectNetworkEventDeregisterAny connectNetworkEventDeregisterAny;
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virDrvNetworkLookupByUUID networkLookupByUUID;
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virDrvNetworkLookupByName networkLookupByName;
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virDrvNetworkCreateXML networkCreateXML;
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virDrvNetworkDefineXML networkDefineXML;
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virDrvNetworkUndefine networkUndefine;
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virDrvNetworkUpdate networkUpdate;
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virDrvNetworkCreate networkCreate;
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virDrvNetworkDestroy networkDestroy;
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virDrvNetworkGetXMLDesc networkGetXMLDesc;
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virDrvNetworkGetBridgeName networkGetBridgeName;
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virDrvNetworkGetAutostart networkGetAutostart;
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virDrvNetworkSetAutostart networkSetAutostart;
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virDrvNetworkIsActive networkIsActive;
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virDrvNetworkIsPersistent networkIsPersistent;
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virDrvNetworkGetDHCPLeases networkGetDHCPLeases;
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};
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#endif /* __VIR_DRIVER_NETWORK_H__ */
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