/*
- *
- * linux/drivers/s390/scsi/zfcp_erp.c
- *
- * FCP adapter driver for IBM eServer zSeries
- *
- * (C) Copyright IBM Corp. 2002, 2004
- *
- * Author(s): Martin Peschke <mpeschke@de.ibm.com>
- * Raimund Schroeder <raimund.schroeder@de.ibm.com>
- * Aron Zeh
- * Wolfgang Taphorn
- * Stefan Bader <stefan.bader@de.ibm.com>
- * Heiko Carstens <heiko.carstens@de.ibm.com>
- * Andreas Herrmann <aherrman@de.ibm.com>
+ * This file is part of the zfcp device driver for
+ * FCP adapters for IBM System z9 and zSeries.
+ *
+ * (C) Copyright IBM Corp. 2002, 2006
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* initiates adapter recovery which is done
* asynchronously
*
- * returns: 0 - initiated action succesfully
+ * returns: 0 - initiated action successfully
* <0 - failed to initiate action
*/
int
* purpose: Wrappper for zfcp_erp_adapter_reopen_internal
* used to ensure the correct locking
*
- * returns: 0 - initiated action succesfully
+ * returns: 0 - initiated action successfully
* <0 - failed to initiate action
*/
int
return retval;
}
-/*
- * function:
- *
- * purpose:
- *
- * returns:
- */
int
zfcp_erp_adapter_shutdown(struct zfcp_adapter *adapter, int clear_mask)
{
return retval;
}
-/*
- * function:
- *
- * purpose:
- *
- * returns:
- */
int
zfcp_erp_port_shutdown(struct zfcp_port *port, int clear_mask)
{
return retval;
}
-/*
- * function:
- *
- * purpose:
- *
- * returns:
- */
int
zfcp_erp_unit_shutdown(struct zfcp_unit *unit, int clear_mask)
{
int retval = 0;
struct timer_list *timer;
- send_els = kmalloc(sizeof(struct zfcp_send_els), GFP_ATOMIC);
+ send_els = kzalloc(sizeof(struct zfcp_send_els), GFP_ATOMIC);
if (send_els == NULL)
goto nomem;
- memset(send_els, 0, sizeof(*send_els));
- send_els->req = kmalloc(sizeof(struct scatterlist), GFP_ATOMIC);
+ send_els->req = kzalloc(sizeof(struct scatterlist), GFP_ATOMIC);
if (send_els->req == NULL)
goto nomem;
- memset(send_els->req, 0, sizeof(*send_els->req));
- send_els->resp = kmalloc(sizeof(struct scatterlist), GFP_ATOMIC);
+ send_els->resp = kzalloc(sizeof(struct scatterlist), GFP_ATOMIC);
if (send_els->resp == NULL)
goto nomem;
- memset(send_els->resp, 0, sizeof(*send_els->resp));
address = (void *) get_zeroed_page(GFP_ATOMIC);
if (address == NULL)
* initiates Forced Reopen recovery which is done
* asynchronously
*
- * returns: 0 - initiated action succesfully
+ * returns: 0 - initiated action successfully
* <0 - failed to initiate action
*/
static int
* purpose: Wrappper for zfcp_erp_port_forced_reopen_internal
* used to ensure the correct locking
*
- * returns: 0 - initiated action succesfully
+ * returns: 0 - initiated action successfully
* <0 - failed to initiate action
*/
int
* initiates Reopen recovery which is done
* asynchronously
*
- * returns: 0 - initiated action succesfully
+ * returns: 0 - initiated action successfully
* <0 - failed to initiate action
*/
static int
* initiates Reopen recovery which is done
* asynchronously
*
- * returns: 0 - initiated action succesfully
+ * returns: 0 - initiated action successfully
* <0 - failed to initiate action
*/
static int
atomic_set_mask(ZFCP_STATUS_COMMON_UNBLOCKED, &unit->status);
}
-/*
- * function:
- *
- * purpose:
- *
- * returns:
- */
static void
zfcp_erp_action_ready(struct zfcp_erp_action *erp_action)
{
return retval;
}
-/*
- * function:
- *
- * purpose:
- *
- * returns:
- */
static int
zfcp_erp_strategy_do_action(struct zfcp_erp_action *erp_action)
{
return result;
}
-/*
- * function:
- *
- * purpose:
- *
- * returns:
- */
static int
zfcp_erp_strategy_statechange(int action,
u32 status,
return retval;
}
-/*
- * function:
- *
- * purpose:
- *
- * returns:
- */
static inline int
zfcp_erp_strategy_statechange_detected(atomic_t * target_status, u32 erp_status)
{
!(ZFCP_STATUS_ERP_CLOSE_ONLY & erp_status));
}
-/*
- * function:
- *
- * purpose:
- *
- * returns:
- */
static int
zfcp_erp_strategy_check_unit(struct zfcp_unit *unit, int result)
{
return result;
}
-/*
- * function:
- *
- * purpose:
- *
- * returns:
- */
static int
zfcp_erp_strategy_check_port(struct zfcp_port *port, int result)
{
return result;
}
-/*
- * function:
- *
- * purpose:
- *
- * returns:
- */
static int
zfcp_erp_strategy_check_adapter(struct zfcp_adapter *adapter, int result)
{
return 0;
}
-/*
- * function:
- *
- * purpose:
- *
- * returns:
- */
static int
zfcp_erp_strategy_check_queues(struct zfcp_adapter *adapter)
{
return retval;
}
-/*
- * function: zfcp_erp_modify_adapter_status
- *
- * purpose:
- *
- */
void
zfcp_erp_modify_adapter_status(struct zfcp_adapter *adapter,
u32 mask, int set_or_clear)
* purpose: Wrappper for zfcp_erp_port_reopen_all_internal
* used to ensure the correct locking
*
- * returns: 0 - initiated action succesfully
+ * returns: 0 - initiated action successfully
* <0 - failed to initiate action
*/
int
return retval;
}
-/*
- * function:
- *
- * purpose:
- *
- * returns: FIXME
- */
static int
zfcp_erp_port_reopen_all_internal(struct zfcp_adapter *adapter, int clear_mask)
{
return ret;
}
-/*
- * function:
- *
- * purpose:
- *
- * returns:
- */
static int
zfcp_erp_adapter_strategy_open_fsf_statusread(struct zfcp_erp_action
*erp_action)
return retval;
}
-/*
- * function:
- *
- * purpose:
- *
- * returns:
- */
static int
zfcp_erp_port_strategy_open(struct zfcp_erp_action *erp_action)
{
return retval;
}
-/*
- * function:
- *
- * purpose:
- *
- * returns:
- *
- * FIXME(design): currently only prepared for fabric (nameserver!)
- */
static int
zfcp_erp_port_strategy_open_common(struct zfcp_erp_action *erp_action)
{
return retval;
}
-/*
- * function:
- *
- * purpose:
- *
- * returns:
- */
static int
zfcp_erp_port_strategy_open_nameserver(struct zfcp_erp_action *erp_action)
{
return retval;
}
-/*
- * function:
- *
- * purpose:
- *
- * returns:
- */
static int
zfcp_erp_port_strategy_clearstati(struct zfcp_port *port)
{
return retval;
}
-/*
- * function:
- *
- * purpose:
- *
- * returns:
- */
static int
zfcp_erp_unit_strategy_clearstati(struct zfcp_unit *unit)
{
return retval;
}
-/*
- * function:
- *
- * purpose:
- *
- * returns:
- */
static inline void
zfcp_erp_timeout_init(struct zfcp_erp_action *erp_action)
{
return retval;
}
-/*
- * function:
- *
- * purpose:
- *
- * returns:
- */
static int
zfcp_erp_action_dequeue(struct zfcp_erp_action *erp_action)
{
break;
case ZFCP_ERP_ACTION_REOPEN_PORT_FORCED:
case ZFCP_ERP_ACTION_REOPEN_PORT:
+ if (atomic_test_mask(ZFCP_STATUS_PORT_NO_WWPN,
+ &port->status)) {
+ zfcp_port_put(port);
+ break;
+ }
+
if ((result == ZFCP_ERP_SUCCEEDED)
- && !atomic_test_mask(ZFCP_STATUS_PORT_NO_WWPN,
- &port->status)
&& !port->rport) {
struct fc_rport_identifiers ids;
ids.node_name = port->wwnn;
"(adapter %s, wwpn=0x%016Lx)\n",
zfcp_get_busid_by_port(port),
port->wwpn);
- else
+ else {
scsi_flush_work(adapter->scsi_host);
+ port->rport->maxframe_size = port->maxframe_size;
+ port->rport->supported_classes =
+ port->supported_classes;
+ }
+ }
+ if ((result != ZFCP_ERP_SUCCEEDED) && port->rport) {
+ fc_remote_port_delete(port->rport);
+ port->rport = NULL;
}
zfcp_port_put(port);
break;
case ZFCP_ERP_ACTION_REOPEN_ADAPTER:
+ if (result != ZFCP_ERP_SUCCEEDED) {
+ struct zfcp_port *port;
+ list_for_each_entry(port, &adapter->port_list_head, list)
+ if (port->rport &&
+ !atomic_test_mask(ZFCP_STATUS_PORT_WKA,
+ &port->status)) {
+ fc_remote_port_delete(port->rport);
+ port->rport = NULL;
+ }
+ }
zfcp_adapter_put(adapter);
break;
default:
}
-/*
- * function:
- *
- * purpose:
- *
- * returns: FIXME
- */
static int
zfcp_erp_action_dismiss_adapter(struct zfcp_adapter *adapter)
{
return retval;
}
-/*
- * function:
- *
- * purpose:
- *
- * returns: FIXME
- */
static int
zfcp_erp_action_dismiss_port(struct zfcp_port *port)
{
return retval;
}
-/*
- * function:
- *
- * purpose:
- *
- * returns: FIXME
- */
static int
zfcp_erp_action_dismiss_unit(struct zfcp_unit *unit)
{
return retval;
}
-/*
- * function:
- *
- * purpose: moves erp_action to 'erp running list'
- *
- * returns:
- */
static inline void
zfcp_erp_action_to_running(struct zfcp_erp_action *erp_action)
{
list_move(&erp_action->list, &erp_action->adapter->erp_running_head);
}
-/*
- * function:
- *
- * purpose: moves erp_action to 'erp ready list'
- *
- * returns:
- */
static inline void
zfcp_erp_action_to_ready(struct zfcp_erp_action *erp_action)
{
list_move(&erp_action->list, &erp_action->adapter->erp_ready_head);
}
-/*
- * function: zfcp_erp_port_boxed
- *
- * purpose:
- */
void
zfcp_erp_port_boxed(struct zfcp_port *port)
{
zfcp_erp_port_reopen(port, ZFCP_STATUS_COMMON_ERP_FAILED);
}
-/*
- * function: zfcp_erp_unit_boxed
- *
- * purpose:
- */
void
zfcp_erp_unit_boxed(struct zfcp_unit *unit)
{
zfcp_erp_unit_reopen(unit, ZFCP_STATUS_COMMON_ERP_FAILED);
}
-/*
- * function: zfcp_erp_port_access_denied
- *
- * purpose:
- */
void
zfcp_erp_port_access_denied(struct zfcp_port *port)
{
read_unlock_irqrestore(&zfcp_data.config_lock, flags);
}
-/*
- * function: zfcp_erp_unit_access_denied
- *
- * purpose:
- */
void
zfcp_erp_unit_access_denied(struct zfcp_unit *unit)
{
ZFCP_SET);
}
-/*
- * function: zfcp_erp_adapter_access_changed
- *
- * purpose:
- */
void
zfcp_erp_adapter_access_changed(struct zfcp_adapter *adapter)
{
return;
debug_text_event(adapter->erp_dbf, 3, "a_access_recover");
- debug_event(adapter->erp_dbf, 3, &adapter->name, 8);
+ debug_event(adapter->erp_dbf, 3, zfcp_get_busid_by_adapter(adapter), 8);
read_lock_irqsave(&zfcp_data.config_lock, flags);
if (adapter->nameserver_port)
read_unlock_irqrestore(&zfcp_data.config_lock, flags);
}
-/*
- * function: zfcp_erp_port_access_changed
- *
- * purpose:
- */
void
zfcp_erp_port_access_changed(struct zfcp_port *port)
{
zfcp_get_busid_by_adapter(adapter), port->wwpn);
}
-/*
- * function: zfcp_erp_unit_access_changed
- *
- * purpose:
- */
void
zfcp_erp_unit_access_changed(struct zfcp_unit *unit)
{
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