C++ (Cpp) zfcp_port_enqueue Beispiele

Beispiel #1

Datei: zfcp_aux.c Projekt: LouZiffer/m900_kernel_cupcake-SDX

static void __init zfcp_init_device_configure(void)
{
	struct zfcp_adapter *adapter;
	struct zfcp_port *port;
	struct zfcp_unit *unit;

	down(&zfcp_data.config_sema);
	read_lock_irq(&zfcp_data.config_lock);
	adapter = zfcp_get_adapter_by_busid(zfcp_data.init_busid);
	if (adapter)
		zfcp_adapter_get(adapter);
	read_unlock_irq(&zfcp_data.config_lock);

	if (!adapter)
		goto out_adapter;
	port = zfcp_port_enqueue(adapter, zfcp_data.init_wwpn, 0, 0);
	if (IS_ERR(port))
		goto out_port;
	unit = zfcp_unit_enqueue(port, zfcp_data.init_fcp_lun);
	if (IS_ERR(unit))
		goto out_unit;
	up(&zfcp_data.config_sema);
	ccw_device_set_online(adapter->ccw_device);
	zfcp_erp_wait(adapter);
	down(&zfcp_data.config_sema);
	zfcp_unit_put(unit);
out_unit:
	zfcp_port_put(port);
out_port:
	zfcp_adapter_put(adapter);
out_adapter:
	up(&zfcp_data.config_sema);
	return;
}

Beispiel #2

Datei: zfcp_sysfs_adapter.c Projekt: mahyarmd/unifi-gpl

/**
 * zfcp_sysfs_port_add_store - add a port to sysfs tree
 * @dev: pointer to belonging device
 * @buf: pointer to input buffer
 * @count: number of bytes in buffer
 *
 * Store function of the "port_add" attribute of an adapter.
 */
static ssize_t
zfcp_sysfs_port_add_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
	wwn_t wwpn;
	char *endp;
	struct zfcp_adapter *adapter;
	struct zfcp_port *port;
	int retval = -EINVAL;

	down(&zfcp_data.config_sema);

	adapter = dev_get_drvdata(dev);
	if (atomic_test_mask(ZFCP_STATUS_COMMON_REMOVE, &adapter->status)) {
		retval = -EBUSY;
		goto out;
	}

	wwpn = simple_strtoull(buf, &endp, 0);
	if ((endp + 1) < (buf + count))
		goto out;

	port = zfcp_port_enqueue(adapter, wwpn, 0, 0);
	if (!port)
		goto out;

	retval = 0;

	zfcp_erp_port_reopen(port, 0);
	zfcp_erp_wait(port->adapter);
	zfcp_port_put(port);
 out:
	up(&zfcp_data.config_sema);
	return retval ? retval : (ssize_t) count;
}

Beispiel #3

Datei: zfcp_erp.c Projekt: mjduddin/B14CKB1RD_kernel_m8

static void zfcp_erp_enqueue_ptp_port(struct zfcp_adapter *adapter)
{
    struct zfcp_port *port;
    port = zfcp_port_enqueue(adapter, adapter->peer_wwpn, 0,
                             adapter->peer_d_id);
    if (IS_ERR(port))
        return;
    _zfcp_erp_port_reopen(port, 0, "ereptp1");
}

Beispiel #4

Datei: zfcp_erp.c Projekt: laudarch/simcom-linux-kernel

static void zfcp_erp_enqueue_ptp_port(struct zfcp_adapter *adapter)
{
	struct zfcp_port *port;
	port = zfcp_port_enqueue(adapter, adapter->peer_wwpn, 0,
				 adapter->peer_d_id);
	if (IS_ERR(port)) /* error or port already attached */
		return;
	_zfcp_erp_port_reopen(port, 0, "ereptp1", NULL);
}

Beispiel #5

Datei: zfcp_aux.c Projekt: LouZiffer/m900_kernel_cupcake-SDX

static int zfcp_nameserver_enqueue(struct zfcp_adapter *adapter)
{
	struct zfcp_port *port;

	port = zfcp_port_enqueue(adapter, 0, ZFCP_STATUS_PORT_WKA,
				 ZFCP_DID_DIRECTORY_SERVICE);
	if (IS_ERR(port))
		return PTR_ERR(port);
	zfcp_port_put(port);

	return 0;
}

Beispiel #6

Datei: zfcp_aux.c Projekt: johnny/CobraDroidBeta

static void __init zfcp_init_device_configure(char *busid, u64 wwpn, u64 lun)
{
	struct zfcp_adapter *adapter;
	struct zfcp_port *port;
	struct zfcp_unit *unit;

	down(&zfcp_data.config_sema);
	read_lock_irq(&zfcp_data.config_lock);
	adapter = zfcp_get_adapter_by_busid(busid);
	if (adapter)
		zfcp_adapter_get(adapter);
	read_unlock_irq(&zfcp_data.config_lock);

	if (!adapter)
		goto out_adapter;
	port = zfcp_port_enqueue(adapter, wwpn, 0, 0);
	if (IS_ERR(port))
		goto out_port;
	unit = zfcp_unit_enqueue(port, lun);
	if (IS_ERR(unit))
		goto out_unit;
	up(&zfcp_data.config_sema);
	ccw_device_set_online(adapter->ccw_device);

	zfcp_erp_wait(adapter);
	wait_event(adapter->erp_done_wqh,
		   !(atomic_read(&unit->status) &
				ZFCP_STATUS_UNIT_SCSI_WORK_PENDING));

	down(&zfcp_data.config_sema);
	zfcp_unit_put(unit);
out_unit:
	zfcp_port_put(port);
out_port:
	zfcp_adapter_put(adapter);
out_adapter:
	up(&zfcp_data.config_sema);
	return;
}

Beispiel #7

static void __init zfcp_init_device_configure(char *busid, u64 wwpn, u64 lun)
{
	struct zfcp_adapter *adapter;
	struct zfcp_port *port;
	struct zfcp_unit *unit;

	mutex_lock(&zfcp_data.config_mutex);
	read_lock_irq(&zfcp_data.config_lock);
	adapter = zfcp_get_adapter_by_busid(busid);
	if (adapter)
		zfcp_adapter_get(adapter);
	read_unlock_irq(&zfcp_data.config_lock);

	if (!adapter)
		goto out_adapter;
	port = zfcp_port_enqueue(adapter, wwpn, 0, 0);
	if (IS_ERR(port))
		goto out_port;
	unit = zfcp_unit_enqueue(port, lun);
	if (IS_ERR(unit))
		goto out_unit;
	mutex_unlock(&zfcp_data.config_mutex);
	ccw_device_set_online(adapter->ccw_device);

	zfcp_erp_wait(adapter);
	flush_work(&unit->scsi_work);

	mutex_lock(&zfcp_data.config_mutex);
	zfcp_unit_put(unit);
out_unit:
	zfcp_port_put(port);
out_port:
	zfcp_adapter_put(adapter);
out_adapter:
	mutex_unlock(&zfcp_data.config_mutex);
	return;
}