C++ (Cpp) virGetNodeDevice Examples

Example #1

File: node_device_driver.c Project: FrankYu/libvirt

virNodeDevicePtr
nodeDeviceLookupByName(virConnectPtr conn, const char *name)
{
    virNodeDeviceObjPtr obj;
    virNodeDevicePtr ret = NULL;

    nodeDeviceLock();
    obj = virNodeDeviceFindByName(&driver->devs, name);
    nodeDeviceUnlock();

    if (!obj) {
        virReportError(VIR_ERR_NO_NODE_DEVICE,
                       _("no node device with matching name '%s'"),
                       name);
        goto cleanup;
    }

    if (virNodeDeviceLookupByNameEnsureACL(conn, obj->def) < 0)
        goto cleanup;

    ret = virGetNodeDevice(conn, name);

 cleanup:
    if (obj)
        virNodeDeviceObjUnlock(obj);
    return ret;
}

Example #2

File: node_device_event.c Project: Archer-sys/libvirt

static void
virNodeDeviceEventDispatchDefaultFunc(virConnectPtr conn,
                                      virObjectEventPtr event,
                                      virConnectObjectEventGenericCallback cb,
                                      void *cbopaque)
{
    virNodeDevicePtr dev = virGetNodeDevice(conn,
                                            event->meta.name);

    if (!dev)
        return;

    switch ((virNodeDeviceEventID)event->eventID) {
    case VIR_NODE_DEVICE_EVENT_ID_LIFECYCLE:
        {
            virNodeDeviceEventLifecyclePtr nodeDeviceLifecycleEvent;

            nodeDeviceLifecycleEvent = (virNodeDeviceEventLifecyclePtr)event;
            ((virConnectNodeDeviceEventLifecycleCallback)cb)(conn, dev,
                                                             nodeDeviceLifecycleEvent->type,
                                                             nodeDeviceLifecycleEvent->detail,
                                                             cbopaque);
            goto cleanup;
        }

    case VIR_NODE_DEVICE_EVENT_ID_LAST:
        break;
    }
    VIR_WARN("Unexpected event ID %d", event->eventID);

 cleanup:
    virObjectUnref(dev);
}

Example #3

File: node_device_driver.c Project: 6WIND/libvirt

virNodeDevicePtr
nodeDeviceLookupByName(virConnectPtr conn, const char *name)
{
    virNodeDeviceDriverStatePtr driver = conn->nodeDevicePrivateData;
    virNodeDeviceObjPtr obj;
    virNodeDevicePtr ret = NULL;

    nodeDeviceLock(driver);
    obj = virNodeDeviceFindByName(&driver->devs, name);
    nodeDeviceUnlock(driver);

    if (!obj) {
        virReportError(VIR_ERR_NO_NODE_DEVICE, NULL);
        goto cleanup;
    }

    if (virNodeDeviceLookupByNameEnsureACL(conn, obj->def) < 0)
        goto cleanup;

    ret = virGetNodeDevice(conn, name);

 cleanup:
    if (obj)
        virNodeDeviceObjUnlock(obj);
    return ret;
}

Example #4

File: node_device_driver.c Project: aruiz/libvirt

virNodeDevicePtr
nodeDeviceLookupByName(virConnectPtr conn,
                       const char *name)
{
    virNodeDeviceObjPtr obj;
    virNodeDeviceDefPtr def;
    virNodeDevicePtr ret = NULL;

    if (!(obj = nodeDeviceObjFindByName(name)))
        return NULL;
    def = virNodeDeviceObjGetDef(obj);

    if (virNodeDeviceLookupByNameEnsureACL(conn, def) < 0)
        goto cleanup;

    if ((ret = virGetNodeDevice(conn, name))) {
        if (VIR_STRDUP(ret->parent, def->parent) < 0) {
            virObjectUnref(ret);
            ret = NULL;
        }
    }

 cleanup:
    virNodeDeviceObjUnlock(obj);
    return ret;
}

Example #5

File: node_device_driver.c Project: aruiz/libvirt

virNodeDevicePtr
nodeDeviceLookupSCSIHostByWWN(virConnectPtr conn,
                              const char *wwnn,
                              const char *wwpn,
                              unsigned int flags)
{
    size_t i;
    virNodeDeviceObjListPtr devs = &driver->devs;
    virNodeDevCapsDefPtr cap = NULL;
    virNodeDeviceObjPtr obj = NULL;
    virNodeDeviceDefPtr def;
    virNodeDevicePtr dev = NULL;

    virCheckFlags(0, NULL);

    nodeDeviceLock();

    for (i = 0; i < devs->count; i++) {
        obj = devs->objs[i];
        virNodeDeviceObjLock(obj);
        def = virNodeDeviceObjGetDef(obj);
        cap = def->caps;

        while (cap) {
            if (cap->data.type == VIR_NODE_DEV_CAP_SCSI_HOST) {
                nodeDeviceSysfsGetSCSIHostCaps(&cap->data.scsi_host);
                if (cap->data.scsi_host.flags &
                    VIR_NODE_DEV_CAP_FLAG_HBA_FC_HOST) {
                    if (STREQ(cap->data.scsi_host.wwnn, wwnn) &&
                        STREQ(cap->data.scsi_host.wwpn, wwpn)) {

                        if (virNodeDeviceLookupSCSIHostByWWNEnsureACL(conn, def) < 0)
                            goto error;

                        if ((dev = virGetNodeDevice(conn, def->name))) {
                            if (VIR_STRDUP(dev->parent, def->parent) < 0) {
                                virObjectUnref(dev);
                                dev = NULL;
                            }
                        }
                        virNodeDeviceObjUnlock(obj);
                        goto out;
                    }
                }
            }
            cap = cap->next;
        }

        virNodeDeviceObjUnlock(obj);
    }

 out:
    nodeDeviceUnlock();
    return dev;

 error:
    virNodeDeviceObjUnlock(obj);
    goto out;
}

Example #6

File: node_device_driver.c Project: 6WIND/libvirt

virNodeDevicePtr
nodeDeviceLookupSCSIHostByWWN(virConnectPtr conn,
                              const char *wwnn,
                              const char *wwpn,
                              unsigned int flags)
{
    size_t i;
    virNodeDeviceDriverStatePtr driver = conn->nodeDevicePrivateData;
    virNodeDeviceObjListPtr devs = &driver->devs;
    virNodeDevCapsDefPtr cap = NULL;
    virNodeDeviceObjPtr obj = NULL;
    virNodeDevicePtr dev = NULL;

    virCheckFlags(0, NULL);

    nodeDeviceLock(driver);

    for (i = 0; i < devs->count; i++) {
        obj = devs->objs[i];
        virNodeDeviceObjLock(obj);
        cap = obj->def->caps;

        while (cap) {
            if (cap->type == VIR_NODE_DEV_CAP_SCSI_HOST) {
                detect_scsi_host_caps(&cap->data);
                if (cap->data.scsi_host.flags &
                    VIR_NODE_DEV_CAP_FLAG_HBA_FC_HOST) {
                    if (STREQ(cap->data.scsi_host.wwnn, wwnn) &&
                        STREQ(cap->data.scsi_host.wwpn, wwpn)) {

                        if (virNodeDeviceLookupSCSIHostByWWNEnsureACL(conn, obj->def) < 0)
                            goto out;

                        dev = virGetNodeDevice(conn, obj->def->name);
                        virNodeDeviceObjUnlock(obj);
                        goto out;
                    }
                }
            }
            cap = cap->next;
        }

        virNodeDeviceObjUnlock(obj);
    }

 out:
    nodeDeviceUnlock(driver);
    return dev;
}

Example #7

File: node_device_driver.c Project: rbu/libvirt

static virNodeDevicePtr
nodeDeviceLookupByWWN(virConnectPtr conn,
                      const char *wwnn,
                      const char *wwpn)
{
    unsigned int i;
    virDeviceMonitorStatePtr driver = conn->devMonPrivateData;
    virNodeDeviceObjListPtr devs = &driver->devs;
    virNodeDevCapsDefPtr cap = NULL;
    virNodeDeviceObjPtr obj = NULL;
    virNodeDevicePtr dev = NULL;

    nodeDeviceLock(driver);

    for (i = 0; i < devs->count; i++) {

        obj = devs->objs[i];
        virNodeDeviceObjLock(obj);
        cap = obj->def->caps;

        while (cap) {

            if (cap->type == VIR_NODE_DEV_CAP_SCSI_HOST) {
                check_fc_host(&cap->data);
                if (cap->data.scsi_host.flags &
                    VIR_NODE_DEV_CAP_FLAG_HBA_FC_HOST) {

                    if (STREQ(cap->data.scsi_host.wwnn, wwnn) &&
                        STREQ(cap->data.scsi_host.wwpn, wwpn)) {
                        dev = virGetNodeDevice(conn, obj->def->name);
                        virNodeDeviceObjUnlock(obj);
                        goto out;
                    }
                }
            }
            cap = cap->next;
        }

        virNodeDeviceObjUnlock(obj);
    }

out:
    nodeDeviceUnlock(driver);
    return dev;
}