libvirt/src/conf/virnodedeviceobj.h

/*
 * virnodedeviceobj.h: node device object handling for node devices
 *                     (derived from node_device_conf.h)
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library.  If not, see
 * <http://www.gnu.org/licenses/>.
 */

#ifndef __VIRNODEDEVICEOBJ_H__
# define __VIRNODEDEVICEOBJ_H__

# include "internal.h"
# include "virthread.h"

# include "node_device_conf.h"
# include "object_event.h"


typedef struct _virNodeDeviceDriverState virNodeDeviceDriverState;
typedef virNodeDeviceDriverState *virNodeDeviceDriverStatePtr;
struct _virNodeDeviceDriverState {
    virMutex lock;

    virNodeDeviceObjList devs;		/* currently-known devices */
    void *privateData;			/* driver-specific private data */

    /* Immutable pointer, self-locking APIs */
    virObjectEventStatePtr nodeDeviceEventState;
};


int virNodeDeviceObjHasCap(const virNodeDeviceObj *dev, const char *cap);

virNodeDeviceObjPtr virNodeDeviceObjFindByName(virNodeDeviceObjListPtr devs,
                                            const char *name);
virNodeDeviceObjPtr
virNodeDeviceObjFindBySysfsPath(virNodeDeviceObjListPtr devs,
                                const char *sysfs_path)
    ATTRIBUTE_NONNULL(2);

virNodeDeviceObjPtr virNodeDeviceObjAssignDef(virNodeDeviceObjListPtr devs,
                                              virNodeDeviceDefPtr def);

void virNodeDeviceObjRemove(virNodeDeviceObjListPtr devs,
                            virNodeDeviceObjPtr *dev);

int virNodeDeviceObjGetParentHost(virNodeDeviceObjListPtr devs,
                                  virNodeDeviceDefPtr def,
                                  int create);

void virNodeDeviceObjFree(virNodeDeviceObjPtr dev);

void virNodeDeviceObjListFree(virNodeDeviceObjListPtr devs);

void virNodeDeviceObjLock(virNodeDeviceObjPtr obj);
void virNodeDeviceObjUnlock(virNodeDeviceObjPtr obj);

typedef bool (*virNodeDeviceObjListFilter)(virConnectPtr conn,
                                           virNodeDeviceDefPtr def);

int virNodeDeviceObjListExport(virConnectPtr conn,
                               virNodeDeviceObjList devobjs,
                               virNodeDevicePtr **devices,
                               virNodeDeviceObjListFilter filter,
                               unsigned int flags);

#endif /* __VIRNODEDEVICEOBJ_H__ */