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633b7592d6
Pass the registration function name to virDriverLoadModule so that we can later call specific functions if necessary (e.g. for testing purposes). This gets rid of the rather ugly automatic name generator and unifies the code to load/initialize the modules. It's also clear which registration function gets called.
109 lines
3.7 KiB
C
109 lines
3.7 KiB
C
/*
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* driver.h: description of the set of interfaces provided by a
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* entry point to the virtualization engine
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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_H__
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# define __VIR_DRIVER_H__
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# include <unistd.h>
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# include "internal.h"
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# include "libvirt_internal.h"
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# include "viruri.h"
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/* Status codes returned from driver open call. */
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typedef enum {
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/* Opened successfully. */
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VIR_DRV_OPEN_SUCCESS = 0,
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/* 'name' is not for us. */
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VIR_DRV_OPEN_DECLINED = -1,
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/* 'name' is for us, but there was some error. virConnectOpen will
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* return an error rather than continue probing the other drivers.
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*/
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VIR_DRV_OPEN_ERROR = -2,
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} virDrvOpenStatus;
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/* Internal feature-detection macro. Don't call drv->supports_feature
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* directly if you don't have to, because it may be NULL, use this macro
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* instead.
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*
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* Note that this treats a possible error returned by drv->supports_feature
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* the same as not supported. If you care about the error, call
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* drv->supports_feature directly.
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*
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* Returns:
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* != 0 Feature is supported.
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* 0 Feature is not supported.
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*/
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# define VIR_DRV_SUPPORTS_FEATURE(drv, conn, feature) \
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((drv)->connectSupportsFeature ? \
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(drv)->connectSupportsFeature((conn), (feature)) > 0 : 0)
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# define __VIR_DRIVER_H_INCLUDES___
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# include "driver-hypervisor.h"
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# include "driver-interface.h"
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# include "driver-network.h"
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# include "driver-nodedev.h"
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# include "driver-nwfilter.h"
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# include "driver-secret.h"
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# include "driver-state.h"
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# include "driver-stream.h"
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# include "driver-storage.h"
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# undef __VIR_DRIVER_H_INCLUDES___
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typedef struct _virConnectDriver virConnectDriver;
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typedef virConnectDriver *virConnectDriverPtr;
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struct _virConnectDriver {
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virHypervisorDriverPtr hypervisorDriver;
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virInterfaceDriverPtr interfaceDriver;
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virNetworkDriverPtr networkDriver;
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virNodeDeviceDriverPtr nodeDeviceDriver;
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virNWFilterDriverPtr nwfilterDriver;
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virSecretDriverPtr secretDriver;
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virStorageDriverPtr storageDriver;
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};
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int virRegisterConnectDriver(virConnectDriverPtr driver,
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bool setSharedDrivers) ATTRIBUTE_RETURN_CHECK;
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int virRegisterStateDriver(virStateDriverPtr driver) ATTRIBUTE_RETURN_CHECK;
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int virSetSharedInterfaceDriver(virInterfaceDriverPtr driver) ATTRIBUTE_RETURN_CHECK;
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int virSetSharedNetworkDriver(virNetworkDriverPtr driver) ATTRIBUTE_RETURN_CHECK;
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int virSetSharedNodeDeviceDriver(virNodeDeviceDriverPtr driver) ATTRIBUTE_RETURN_CHECK;
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int virSetSharedNWFilterDriver(virNWFilterDriverPtr driver) ATTRIBUTE_RETURN_CHECK;
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int virSetSharedSecretDriver(virSecretDriverPtr driver) ATTRIBUTE_RETURN_CHECK;
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int virSetSharedStorageDriver(virStorageDriverPtr driver) ATTRIBUTE_RETURN_CHECK;
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int virDriverLoadModule(const char *name,
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const char *regfunc);
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int virDriverLoadModuleFull(const char *name,
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const char *regfunc,
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void **handle);
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#endif /* __VIR_DRIVER_H__ */
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