*
* Error Recovery Procedures (ERP).
*
- * Copyright IBM Corporation 2002, 2008
+ * Copyright IBM Corporation 2002, 2009
*/
+#define KMSG_COMPONENT "zfcp"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include "zfcp_ext.h"
#define ZFCP_MAX_ERPS 3
static void zfcp_erp_adapter_block(struct zfcp_adapter *adapter, int mask)
{
- zfcp_erp_modify_adapter_status(adapter, 15, NULL,
+ zfcp_erp_modify_adapter_status(adapter, "erablk1", NULL,
ZFCP_STATUS_COMMON_UNBLOCKED | mask,
ZFCP_CLEAR);
}
struct zfcp_adapter *adapter = act->adapter;
list_move(&act->list, &act->adapter->erp_ready_head);
- zfcp_rec_dbf_event_action(146, act);
+ zfcp_rec_dbf_event_action("erardy1", act);
up(&adapter->erp_ready_sem);
- zfcp_rec_dbf_event_thread(2, adapter);
+ zfcp_rec_dbf_event_thread("erardy2", adapter);
}
static void zfcp_erp_action_dismiss(struct zfcp_erp_action *act)
static int zfcp_erp_action_enqueue(int want, struct zfcp_adapter *adapter,
struct zfcp_port *port,
- struct zfcp_unit *unit, u8 id, void *ref)
+ struct zfcp_unit *unit, char *id, void *ref)
{
int retval = 1, need;
struct zfcp_erp_action *act = NULL;
++adapter->erp_total_count;
list_add_tail(&act->list, &adapter->erp_ready_head);
up(&adapter->erp_ready_sem);
- zfcp_rec_dbf_event_thread(1, adapter);
+ zfcp_rec_dbf_event_thread("eracte1", adapter);
retval = 0;
out:
zfcp_rec_dbf_event_trigger(id, ref, want, need, act,
}
static int _zfcp_erp_adapter_reopen(struct zfcp_adapter *adapter,
- int clear_mask, u8 id, void *ref)
+ int clear_mask, char *id, void *ref)
{
zfcp_erp_adapter_block(adapter, clear_mask);
+ zfcp_scsi_schedule_rports_block(adapter);
/* ensure propagation of failed status to new devices */
if (atomic_read(&adapter->status) & ZFCP_STATUS_COMMON_ERP_FAILED) {
- zfcp_erp_adapter_failed(adapter, 13, NULL);
+ zfcp_erp_adapter_failed(adapter, "erareo1", NULL);
return -EIO;
}
return zfcp_erp_action_enqueue(ZFCP_ERP_ACTION_REOPEN_ADAPTER,
* @ref: Reference for debug trace event.
*/
void zfcp_erp_adapter_reopen(struct zfcp_adapter *adapter, int clear,
- u8 id, void *ref)
+ char *id, void *ref)
{
unsigned long flags;
* @ref: Reference for debug trace event.
*/
void zfcp_erp_adapter_shutdown(struct zfcp_adapter *adapter, int clear,
- u8 id, void *ref)
+ char *id, void *ref)
{
int flags = ZFCP_STATUS_COMMON_RUNNING | ZFCP_STATUS_COMMON_ERP_FAILED;
zfcp_erp_adapter_reopen(adapter, clear | flags, id, ref);
* @id: Id for debug trace event.
* @ref: Reference for debug trace event.
*/
-void zfcp_erp_port_shutdown(struct zfcp_port *port, int clear, u8 id, void *ref)
+void zfcp_erp_port_shutdown(struct zfcp_port *port, int clear, char *id,
+ void *ref)
{
int flags = ZFCP_STATUS_COMMON_RUNNING | ZFCP_STATUS_COMMON_ERP_FAILED;
zfcp_erp_port_reopen(port, clear | flags, id, ref);
* @id: Id for debug trace event.
* @ref: Reference for debug trace event.
*/
-void zfcp_erp_unit_shutdown(struct zfcp_unit *unit, int clear, u8 id, void *ref)
+void zfcp_erp_unit_shutdown(struct zfcp_unit *unit, int clear, char *id,
+ void *ref)
{
int flags = ZFCP_STATUS_COMMON_RUNNING | ZFCP_STATUS_COMMON_ERP_FAILED;
zfcp_erp_unit_reopen(unit, clear | flags, id, ref);
static void zfcp_erp_port_block(struct zfcp_port *port, int clear)
{
- zfcp_erp_modify_port_status(port, 17, NULL,
+ zfcp_erp_modify_port_status(port, "erpblk1", NULL,
ZFCP_STATUS_COMMON_UNBLOCKED | clear,
ZFCP_CLEAR);
}
static void _zfcp_erp_port_forced_reopen(struct zfcp_port *port,
- int clear, u8 id, void *ref)
+ int clear, char *id, void *ref)
{
zfcp_erp_port_block(port, clear);
+ zfcp_scsi_schedule_rport_block(port);
if (atomic_read(&port->status) & ZFCP_STATUS_COMMON_ERP_FAILED)
return;
* @id: Id for debug trace event.
* @ref: Reference for debug trace event.
*/
-void zfcp_erp_port_forced_reopen(struct zfcp_port *port, int clear, u8 id,
+void zfcp_erp_port_forced_reopen(struct zfcp_port *port, int clear, char *id,
void *ref)
{
unsigned long flags;
read_unlock_irqrestore(&zfcp_data.config_lock, flags);
}
-static int _zfcp_erp_port_reopen(struct zfcp_port *port, int clear, u8 id,
+static int _zfcp_erp_port_reopen(struct zfcp_port *port, int clear, char *id,
void *ref)
{
zfcp_erp_port_block(port, clear);
+ zfcp_scsi_schedule_rport_block(port);
if (atomic_read(&port->status) & ZFCP_STATUS_COMMON_ERP_FAILED) {
/* ensure propagation of failed status to new devices */
- zfcp_erp_port_failed(port, 14, NULL);
+ zfcp_erp_port_failed(port, "erpreo1", NULL);
return -EIO;
}
*
* Returns 0 if recovery has been triggered, < 0 if not.
*/
-int zfcp_erp_port_reopen(struct zfcp_port *port, int clear, u8 id, void *ref)
+int zfcp_erp_port_reopen(struct zfcp_port *port, int clear, char *id, void *ref)
{
unsigned long flags;
int retval;
static void zfcp_erp_unit_block(struct zfcp_unit *unit, int clear_mask)
{
- zfcp_erp_modify_unit_status(unit, 19, NULL,
+ zfcp_erp_modify_unit_status(unit, "erublk1", NULL,
ZFCP_STATUS_COMMON_UNBLOCKED | clear_mask,
ZFCP_CLEAR);
}
-static void _zfcp_erp_unit_reopen(struct zfcp_unit *unit, int clear, u8 id,
+static void _zfcp_erp_unit_reopen(struct zfcp_unit *unit, int clear, char *id,
void *ref)
{
struct zfcp_adapter *adapter = unit->port->adapter;
* @clear_mask: specifies flags in unit status to be cleared
* Return: 0 on success, < 0 on error
*/
-void zfcp_erp_unit_reopen(struct zfcp_unit *unit, int clear, u8 id, void *ref)
+void zfcp_erp_unit_reopen(struct zfcp_unit *unit, int clear, char *id,
+ void *ref)
{
unsigned long flags;
struct zfcp_port *port = unit->port;
static void zfcp_erp_adapter_unblock(struct zfcp_adapter *adapter)
{
if (status_change_set(ZFCP_STATUS_COMMON_UNBLOCKED, &adapter->status))
- zfcp_rec_dbf_event_adapter(16, NULL, adapter);
+ zfcp_rec_dbf_event_adapter("eraubl1", NULL, adapter);
atomic_set_mask(ZFCP_STATUS_COMMON_UNBLOCKED, &adapter->status);
}
static void zfcp_erp_port_unblock(struct zfcp_port *port)
{
if (status_change_set(ZFCP_STATUS_COMMON_UNBLOCKED, &port->status))
- zfcp_rec_dbf_event_port(18, NULL, port);
+ zfcp_rec_dbf_event_port("erpubl1", NULL, port);
atomic_set_mask(ZFCP_STATUS_COMMON_UNBLOCKED, &port->status);
}
static void zfcp_erp_unit_unblock(struct zfcp_unit *unit)
{
if (status_change_set(ZFCP_STATUS_COMMON_UNBLOCKED, &unit->status))
- zfcp_rec_dbf_event_unit(20, NULL, unit);
+ zfcp_rec_dbf_event_unit("eruubl1", NULL, unit);
atomic_set_mask(ZFCP_STATUS_COMMON_UNBLOCKED, &unit->status);
}
static void zfcp_erp_action_to_running(struct zfcp_erp_action *erp_action)
{
list_move(&erp_action->list, &erp_action->adapter->erp_running_head);
- zfcp_rec_dbf_event_action(145, erp_action);
+ zfcp_rec_dbf_event_action("erator1", erp_action);
}
static void zfcp_erp_strategy_check_fsfreq(struct zfcp_erp_action *act)
if (act->status & (ZFCP_STATUS_ERP_DISMISSED |
ZFCP_STATUS_ERP_TIMEDOUT)) {
act->fsf_req->status |= ZFCP_STATUS_FSFREQ_DISMISSED;
- zfcp_rec_dbf_event_action(142, act);
+ zfcp_rec_dbf_event_action("erscf_1", act);
act->fsf_req->erp_action = NULL;
}
if (act->status & ZFCP_STATUS_ERP_TIMEDOUT)
- zfcp_rec_dbf_event_action(143, act);
+ zfcp_rec_dbf_event_action("erscf_2", act);
if (act->fsf_req->status & (ZFCP_STATUS_FSFREQ_COMPLETED |
ZFCP_STATUS_FSFREQ_DISMISSED))
act->fsf_req = NULL;
}
static void _zfcp_erp_port_reopen_all(struct zfcp_adapter *adapter,
- int clear, u8 id, void *ref)
+ int clear, char *id, void *ref)
{
struct zfcp_port *port;
_zfcp_erp_port_reopen(port, clear, id, ref);
}
-static void _zfcp_erp_unit_reopen_all(struct zfcp_port *port, int clear, u8 id,
- void *ref)
+static void _zfcp_erp_unit_reopen_all(struct zfcp_port *port, int clear,
+ char *id, void *ref)
{
struct zfcp_unit *unit;
case ZFCP_ERP_ACTION_REOPEN_ADAPTER:
if (status == ZFCP_ERP_SUCCEEDED)
- _zfcp_erp_port_reopen_all(adapter, 0, 70, NULL);
+ _zfcp_erp_port_reopen_all(adapter, 0, "ersfa_1", NULL);
else
- _zfcp_erp_adapter_reopen(adapter, 0, 71, NULL);
+ _zfcp_erp_adapter_reopen(adapter, 0, "ersfa_2", NULL);
break;
case ZFCP_ERP_ACTION_REOPEN_PORT_FORCED:
if (status == ZFCP_ERP_SUCCEEDED)
- _zfcp_erp_port_reopen(port, 0, 72, NULL);
+ _zfcp_erp_port_reopen(port, 0, "ersfa_3", NULL);
else
- _zfcp_erp_adapter_reopen(adapter, 0, 73, NULL);
+ _zfcp_erp_adapter_reopen(adapter, 0, "ersfa_4", NULL);
break;
case ZFCP_ERP_ACTION_REOPEN_PORT:
if (status == ZFCP_ERP_SUCCEEDED)
- _zfcp_erp_unit_reopen_all(port, 0, 74, NULL);
+ _zfcp_erp_unit_reopen_all(port, 0, "ersfa_5", NULL);
else
- _zfcp_erp_port_forced_reopen(port, 0, 75, NULL);
+ _zfcp_erp_port_forced_reopen(port, 0, "ersfa_6", NULL);
break;
case ZFCP_ERP_ACTION_REOPEN_UNIT:
if (status != ZFCP_ERP_SUCCEEDED)
- _zfcp_erp_port_reopen(unit->port, 0, 76, NULL);
+ _zfcp_erp_port_reopen(unit->port, 0, "ersfa_7", NULL);
break;
}
}
adapter->peer_d_id);
if (IS_ERR(port)) /* error or port already attached */
return;
- _zfcp_erp_port_reopen(port, 0, 150, NULL);
+ _zfcp_erp_port_reopen(port, 0, "ereptp1", NULL);
}
static int zfcp_erp_adapter_strat_fsf_xconf(struct zfcp_erp_action *erp_action)
return ZFCP_ERP_FAILED;
}
- zfcp_rec_dbf_event_thread_lock(6, adapter);
+ zfcp_rec_dbf_event_thread_lock("erasfx1", adapter);
down(&adapter->erp_ready_sem);
- zfcp_rec_dbf_event_thread_lock(7, adapter);
+ zfcp_rec_dbf_event_thread_lock("erasfx2", adapter);
if (erp_action->status & ZFCP_STATUS_ERP_TIMEDOUT)
break;
if (ret)
return ZFCP_ERP_FAILED;
- zfcp_rec_dbf_event_thread_lock(8, adapter);
+ zfcp_rec_dbf_event_thread_lock("erasox1", adapter);
down(&adapter->erp_ready_sem);
- zfcp_rec_dbf_event_thread_lock(9, adapter);
+ zfcp_rec_dbf_event_thread_lock("erasox2", adapter);
if (act->status & ZFCP_STATUS_ERP_TIMEDOUT)
return ZFCP_ERP_FAILED;
return ZFCP_ERP_SUCCEEDED;
}
-static int zfcp_erp_adapter_strategy_generic(struct zfcp_erp_action *act,
- int close)
+static void zfcp_erp_adapter_strategy_close(struct zfcp_erp_action *act)
{
- int retval = ZFCP_ERP_SUCCEEDED;
struct zfcp_adapter *adapter = act->adapter;
- if (close)
- goto close_only;
-
- retval = zfcp_erp_adapter_strategy_open_qdio(act);
- if (retval != ZFCP_ERP_SUCCEEDED)
- goto failed_qdio;
-
- retval = zfcp_erp_adapter_strategy_open_fsf(act);
- if (retval != ZFCP_ERP_SUCCEEDED)
- goto failed_openfcp;
-
- atomic_set_mask(ZFCP_STATUS_COMMON_OPEN, &act->adapter->status);
-
- return ZFCP_ERP_SUCCEEDED;
-
- close_only:
- atomic_clear_mask(ZFCP_STATUS_COMMON_OPEN,
- &act->adapter->status);
-
- failed_openfcp:
/* close queues to ensure that buffers are not accessed by adapter */
zfcp_qdio_close(adapter);
zfcp_fsf_req_dismiss_all(adapter);
adapter->fsf_req_seq_no = 0;
/* all ports and units are closed */
- zfcp_erp_modify_adapter_status(adapter, 24, NULL,
+ zfcp_erp_modify_adapter_status(adapter, "erascl1", NULL,
ZFCP_STATUS_COMMON_OPEN, ZFCP_CLEAR);
- failed_qdio:
+
atomic_clear_mask(ZFCP_STATUS_ADAPTER_XCONFIG_OK |
- ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED,
- &act->adapter->status);
- return retval;
+ ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED, &adapter->status);
}
-static int zfcp_erp_adapter_strategy(struct zfcp_erp_action *act)
+static int zfcp_erp_adapter_strategy_open(struct zfcp_erp_action *act)
{
- int retval;
+ struct zfcp_adapter *adapter = act->adapter;
- zfcp_erp_adapter_strategy_generic(act, 1); /* close */
- if (act->status & ZFCP_STATUS_ERP_CLOSE_ONLY)
- return ZFCP_ERP_EXIT;
+ if (zfcp_erp_adapter_strategy_open_qdio(act)) {
+ atomic_clear_mask(ZFCP_STATUS_ADAPTER_XCONFIG_OK |
+ ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED,
+ &adapter->status);
+ return ZFCP_ERP_FAILED;
+ }
+
+ if (zfcp_erp_adapter_strategy_open_fsf(act)) {
+ zfcp_erp_adapter_strategy_close(act);
+ return ZFCP_ERP_FAILED;
+ }
- retval = zfcp_erp_adapter_strategy_generic(act, 0); /* open */
+ atomic_set_mask(ZFCP_STATUS_COMMON_OPEN, &adapter->status);
- if (retval == ZFCP_ERP_FAILED)
+ return ZFCP_ERP_SUCCEEDED;
+}
+
+static int zfcp_erp_adapter_strategy(struct zfcp_erp_action *act)
+{
+ struct zfcp_adapter *adapter = act->adapter;
+
+ if (atomic_read(&adapter->status) & ZFCP_STATUS_COMMON_OPEN) {
+ zfcp_erp_adapter_strategy_close(act);
+ if (act->status & ZFCP_STATUS_ERP_CLOSE_ONLY)
+ return ZFCP_ERP_EXIT;
+ }
+
+ if (zfcp_erp_adapter_strategy_open(act)) {
ssleep(8);
+ return ZFCP_ERP_FAILED;
+ }
- return retval;
+ return ZFCP_ERP_SUCCEEDED;
}
static int zfcp_erp_port_forced_strategy_close(struct zfcp_erp_action *act)
static void zfcp_erp_port_strategy_clearstati(struct zfcp_port *port)
{
- atomic_clear_mask(ZFCP_STATUS_COMMON_ACCESS_DENIED |
- ZFCP_STATUS_PORT_PHYS_CLOSING |
- ZFCP_STATUS_PORT_INVALID_WWPN,
- &port->status);
+ atomic_clear_mask(ZFCP_STATUS_COMMON_ACCESS_DENIED, &port->status);
}
static int zfcp_erp_port_forced_strategy(struct zfcp_erp_action *erp_action)
struct zfcp_port *port = act->port;
if (port->wwpn != adapter->peer_wwpn) {
- zfcp_erp_port_failed(port, 25, NULL);
+ zfcp_erp_port_failed(port, "eroptp1", NULL);
return ZFCP_ERP_FAILED;
}
port->d_id = adapter->peer_d_id;
- atomic_set_mask(ZFCP_STATUS_PORT_DID_DID, &port->status);
return zfcp_erp_port_strategy_open_port(act);
}
case ZFCP_ERP_STEP_PORT_CLOSING:
if (fc_host_port_type(adapter->scsi_host) == FC_PORTTYPE_PTP)
return zfcp_erp_open_ptp_port(act);
- if (!(p_status & ZFCP_STATUS_PORT_DID_DID)) {
+ if (!port->d_id) {
queue_work(zfcp_data.work_queue, &port->gid_pn_work);
return ZFCP_ERP_CONTINUES;
}
case ZFCP_ERP_STEP_NAMESERVER_LOOKUP:
- if (!(p_status & ZFCP_STATUS_PORT_DID_DID)) {
- if (p_status & (ZFCP_STATUS_PORT_INVALID_WWPN)) {
- zfcp_erp_port_failed(port, 26, NULL);
- return ZFCP_ERP_EXIT;
- }
+ if (!port->d_id)
return ZFCP_ERP_FAILED;
- }
return zfcp_erp_port_strategy_open_port(act);
case ZFCP_ERP_STEP_PORT_OPENING:
/* D_ID might have changed during open */
if (p_status & ZFCP_STATUS_COMMON_OPEN) {
- if (p_status & ZFCP_STATUS_PORT_DID_DID)
+ if (port->d_id)
return ZFCP_ERP_SUCCEEDED;
else {
act->step = ZFCP_ERP_STEP_PORT_CLOSING;
"port 0x%016Lx\n",
(unsigned long long)unit->fcp_lun,
(unsigned long long)unit->port->wwpn);
- zfcp_erp_unit_failed(unit, 21, NULL);
+ zfcp_erp_unit_failed(unit, "erusck1", NULL);
}
break;
}
dev_err(&port->adapter->ccw_device->dev,
"ERP failed for remote port 0x%016Lx\n",
(unsigned long long)port->wwpn);
- zfcp_erp_port_failed(port, 22, NULL);
+ zfcp_erp_port_failed(port, "erpsck1", NULL);
}
break;
}
dev_err(&adapter->ccw_device->dev,
"ERP cannot recover an error "
"on the FCP device\n");
- zfcp_erp_adapter_failed(adapter, 23, NULL);
+ zfcp_erp_adapter_failed(adapter, "erasck1", NULL);
}
break;
}
if (zfcp_erp_strat_change_det(&adapter->status, erp_status)) {
_zfcp_erp_adapter_reopen(adapter,
ZFCP_STATUS_COMMON_ERP_FAILED,
- 67, NULL);
+ "ersscg1", NULL);
return ZFCP_ERP_EXIT;
}
break;
if (zfcp_erp_strat_change_det(&port->status, erp_status)) {
_zfcp_erp_port_reopen(port,
ZFCP_STATUS_COMMON_ERP_FAILED,
- 68, NULL);
+ "ersscg2", NULL);
return ZFCP_ERP_EXIT;
}
break;
if (zfcp_erp_strat_change_det(&unit->status, erp_status)) {
_zfcp_erp_unit_reopen(unit,
ZFCP_STATUS_COMMON_ERP_FAILED,
- 69, NULL);
+ "ersscg3", NULL);
return ZFCP_ERP_EXIT;
}
break;
}
list_del(&erp_action->list);
- zfcp_rec_dbf_event_action(144, erp_action);
+ zfcp_rec_dbf_event_action("eractd1", erp_action);
switch (erp_action->action) {
case ZFCP_ERP_ACTION_REOPEN_UNIT:
queue_work(zfcp_data.work_queue, &p->work);
}
-static void zfcp_erp_rport_register(struct zfcp_port *port)
-{
- struct fc_rport_identifiers ids;
- ids.node_name = port->wwnn;
- ids.port_name = port->wwpn;
- ids.port_id = port->d_id;
- ids.roles = FC_RPORT_ROLE_FCP_TARGET;
- port->rport = fc_remote_port_add(port->adapter->scsi_host, 0, &ids);
- if (!port->rport) {
- dev_err(&port->adapter->ccw_device->dev,
- "Registering port 0x%016Lx failed\n",
- (unsigned long long)port->wwpn);
- return;
- }
-
- scsi_target_unblock(&port->rport->dev);
- port->rport->maxframe_size = port->maxframe_size;
- port->rport->supported_classes = port->supported_classes;
-}
-
-static void zfcp_erp_rports_del(struct zfcp_adapter *adapter)
-{
- struct zfcp_port *port;
- list_for_each_entry(port, &adapter->port_list_head, list) {
- if (!port->rport)
- continue;
- fc_remote_port_delete(port->rport);
- port->rport = NULL;
- }
-}
-
static void zfcp_erp_action_cleanup(struct zfcp_erp_action *act, int result)
{
struct zfcp_adapter *adapter = act->adapter;
switch (act->action) {
case ZFCP_ERP_ACTION_REOPEN_UNIT:
- if ((result == ZFCP_ERP_SUCCEEDED) &&
- !unit->device && port->rport) {
- atomic_set_mask(ZFCP_STATUS_UNIT_REGISTERED,
- &unit->status);
+ flush_work(&port->rport_work);
+ if ((result == ZFCP_ERP_SUCCEEDED) && !unit->device) {
if (!(atomic_read(&unit->status) &
ZFCP_STATUS_UNIT_SCSI_WORK_PENDING))
zfcp_erp_schedule_work(unit);
case ZFCP_ERP_ACTION_REOPEN_PORT_FORCED:
case ZFCP_ERP_ACTION_REOPEN_PORT:
- if (atomic_read(&port->status) & ZFCP_STATUS_PORT_NO_WWPN) {
- zfcp_port_put(port);
- return;
- }
- if ((result == ZFCP_ERP_SUCCEEDED) && !port->rport)
- zfcp_erp_rport_register(port);
- if ((result != ZFCP_ERP_SUCCEEDED) && port->rport) {
- fc_remote_port_delete(port->rport);
- port->rport = NULL;
- }
+ if (result == ZFCP_ERP_SUCCEEDED)
+ zfcp_scsi_schedule_rport_register(port);
zfcp_port_put(port);
break;
case ZFCP_ERP_ACTION_REOPEN_ADAPTER:
- if (result != ZFCP_ERP_SUCCEEDED)
- zfcp_erp_rports_del(adapter);
- else
+ if (result == ZFCP_ERP_SUCCEEDED) {
+ register_service_level(&adapter->service_level);
schedule_work(&adapter->scan_work);
+ } else
+ unregister_service_level(&adapter->service_level);
zfcp_adapter_put(adapter);
break;
}
erp_action->status |= ZFCP_STATUS_ERP_LOWMEM;
}
if (adapter->erp_total_count == adapter->erp_low_mem_count)
- _zfcp_erp_adapter_reopen(adapter, 0, 66, NULL);
+ _zfcp_erp_adapter_reopen(adapter, 0, "erstgy1", NULL);
else {
zfcp_erp_strategy_memwait(erp_action);
retval = ZFCP_ERP_CONTINUES;
struct list_head *next;
struct zfcp_erp_action *act;
unsigned long flags;
+ int ignore;
daemonize("zfcperp%s", dev_name(&adapter->ccw_device->dev));
/* Block all signals */
zfcp_erp_wakeup(adapter);
}
- zfcp_rec_dbf_event_thread_lock(4, adapter);
- down_interruptible(&adapter->erp_ready_sem);
- zfcp_rec_dbf_event_thread_lock(5, adapter);
+ zfcp_rec_dbf_event_thread_lock("erthrd1", adapter);
+ ignore = down_interruptible(&adapter->erp_ready_sem);
+ zfcp_rec_dbf_event_thread_lock("erthrd2", adapter);
}
atomic_clear_mask(ZFCP_STATUS_ADAPTER_ERP_THREAD_UP, &adapter->status);
{
atomic_set_mask(ZFCP_STATUS_ADAPTER_ERP_THREAD_KILL, &adapter->status);
up(&adapter->erp_ready_sem);
- zfcp_rec_dbf_event_thread_lock(3, adapter);
+ zfcp_rec_dbf_event_thread_lock("erthrk1", adapter);
wait_event(adapter->erp_thread_wqh,
!(atomic_read(&adapter->status) &
* @id: Event id for debug trace.
* @ref: Reference for debug trace.
*/
-void zfcp_erp_adapter_failed(struct zfcp_adapter *adapter, u8 id, void *ref)
+void zfcp_erp_adapter_failed(struct zfcp_adapter *adapter, char *id, void *ref)
{
zfcp_erp_modify_adapter_status(adapter, id, ref,
ZFCP_STATUS_COMMON_ERP_FAILED, ZFCP_SET);
* @id: Event id for debug trace.
* @ref: Reference for debug trace.
*/
-void zfcp_erp_port_failed(struct zfcp_port *port, u8 id, void *ref)
+void zfcp_erp_port_failed(struct zfcp_port *port, char *id, void *ref)
{
zfcp_erp_modify_port_status(port, id, ref,
ZFCP_STATUS_COMMON_ERP_FAILED, ZFCP_SET);
* @id: Event id for debug trace.
* @ref: Reference for debug trace.
*/
-void zfcp_erp_unit_failed(struct zfcp_unit *unit, u8 id, void *ref)
+void zfcp_erp_unit_failed(struct zfcp_unit *unit, char *id, void *ref)
{
zfcp_erp_modify_unit_status(unit, id, ref,
ZFCP_STATUS_COMMON_ERP_FAILED, ZFCP_SET);
*
* Changes in common status bits are propagated to attached ports and units.
*/
-void zfcp_erp_modify_adapter_status(struct zfcp_adapter *adapter, u8 id,
+void zfcp_erp_modify_adapter_status(struct zfcp_adapter *adapter, char *id,
void *ref, u32 mask, int set_or_clear)
{
struct zfcp_port *port;
*
* Changes in common status bits are propagated to attached units.
*/
-void zfcp_erp_modify_port_status(struct zfcp_port *port, u8 id, void *ref,
+void zfcp_erp_modify_port_status(struct zfcp_port *port, char *id, void *ref,
u32 mask, int set_or_clear)
{
struct zfcp_unit *unit;
* @mask: status bits to change
* @set_or_clear: ZFCP_SET or ZFCP_CLEAR
*/
-void zfcp_erp_modify_unit_status(struct zfcp_unit *unit, u8 id, void *ref,
+void zfcp_erp_modify_unit_status(struct zfcp_unit *unit, char *id, void *ref,
u32 mask, int set_or_clear)
{
if (set_or_clear == ZFCP_SET) {
* @id: The debug trace id.
* @id: Reference for the debug trace.
*/
-void zfcp_erp_port_boxed(struct zfcp_port *port, u8 id, void *ref)
+void zfcp_erp_port_boxed(struct zfcp_port *port, char *id, void *ref)
{
unsigned long flags;
* @id: The debug trace id.
* @id: Reference for the debug trace.
*/
-void zfcp_erp_unit_boxed(struct zfcp_unit *unit, u8 id, void *ref)
+void zfcp_erp_unit_boxed(struct zfcp_unit *unit, char *id, void *ref)
{
zfcp_erp_modify_unit_status(unit, id, ref,
ZFCP_STATUS_COMMON_ACCESS_BOXED, ZFCP_SET);
* Since the adapter has denied access, stop using the port and the
* attached units.
*/
-void zfcp_erp_port_access_denied(struct zfcp_port *port, u8 id, void *ref)
+void zfcp_erp_port_access_denied(struct zfcp_port *port, char *id, void *ref)
{
unsigned long flags;
*
* Since the adapter has denied access, stop using the unit.
*/
-void zfcp_erp_unit_access_denied(struct zfcp_unit *unit, u8 id, void *ref)
+void zfcp_erp_unit_access_denied(struct zfcp_unit *unit, char *id, void *ref)
{
zfcp_erp_modify_unit_status(unit, id, ref,
ZFCP_STATUS_COMMON_ERP_FAILED |
ZFCP_STATUS_COMMON_ACCESS_DENIED, ZFCP_SET);
}
-static void zfcp_erp_unit_access_changed(struct zfcp_unit *unit, u8 id,
+static void zfcp_erp_unit_access_changed(struct zfcp_unit *unit, char *id,
void *ref)
{
int status = atomic_read(&unit->status);
zfcp_erp_unit_reopen(unit, ZFCP_STATUS_COMMON_ERP_FAILED, id, ref);
}
-static void zfcp_erp_port_access_changed(struct zfcp_port *port, u8 id,
+static void zfcp_erp_port_access_changed(struct zfcp_port *port, char *id,
void *ref)
{
struct zfcp_unit *unit;
* @id: Id for debug trace
* @ref: Reference for debug trace
*/
-void zfcp_erp_adapter_access_changed(struct zfcp_adapter *adapter, u8 id,
+void zfcp_erp_adapter_access_changed(struct zfcp_adapter *adapter, char *id,
void *ref)
{
struct zfcp_port *port;
git.openpandora.org / pandora-kernel.git / blobdiff