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path: root/drivers/s390/scsi/zfcp_erp.c
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Diffstat (limited to 'drivers/s390/scsi/zfcp_erp.c')
-rw-r--r--drivers/s390/scsi/zfcp_erp.c97
1 files changed, 45 insertions, 52 deletions
diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index 62b1b4a03ee..066f9ea6750 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -236,7 +236,7 @@ static struct zfcp_erp_action *zfcp_erp_setup_act(int need, u32 act_status,
static int zfcp_erp_action_enqueue(int want, struct zfcp_adapter *adapter,
struct zfcp_port *port,
struct scsi_device *sdev,
- char *id, void *ref, u32 act_status)
+ char *id, u32 act_status)
{
int retval = 1, need;
struct zfcp_erp_action *act;
@@ -262,7 +262,7 @@ static int zfcp_erp_action_enqueue(int want, struct zfcp_adapter *adapter,
}
static int _zfcp_erp_adapter_reopen(struct zfcp_adapter *adapter,
- int clear_mask, char *id, void *ref)
+ int clear_mask, char *id)
{
zfcp_erp_adapter_block(adapter, clear_mask);
zfcp_scsi_schedule_rports_block(adapter);
@@ -274,7 +274,7 @@ static int _zfcp_erp_adapter_reopen(struct zfcp_adapter *adapter,
return -EIO;
}
return zfcp_erp_action_enqueue(ZFCP_ERP_ACTION_REOPEN_ADAPTER,
- adapter, NULL, NULL, id, ref, 0);
+ adapter, NULL, NULL, id, 0);
}
/**
@@ -282,10 +282,8 @@ static int _zfcp_erp_adapter_reopen(struct zfcp_adapter *adapter,
* @adapter: Adapter to reopen.
* @clear: Status flags to clear.
* @id: Id for debug trace event.
- * @ref: Reference for debug trace event.
*/
-void zfcp_erp_adapter_reopen(struct zfcp_adapter *adapter, int clear,
- char *id, void *ref)
+void zfcp_erp_adapter_reopen(struct zfcp_adapter *adapter, int clear, char *id)
{
unsigned long flags;
@@ -298,7 +296,7 @@ void zfcp_erp_adapter_reopen(struct zfcp_adapter *adapter, int clear,
ZFCP_STATUS_COMMON_ERP_FAILED);
else
zfcp_erp_action_enqueue(ZFCP_ERP_ACTION_REOPEN_ADAPTER, adapter,
- NULL, NULL, id, ref, 0);
+ NULL, NULL, id, 0);
write_unlock_irqrestore(&adapter->erp_lock, flags);
}
@@ -307,13 +305,12 @@ void zfcp_erp_adapter_reopen(struct zfcp_adapter *adapter, int clear,
* @adapter: Adapter to shut down.
* @clear: Status flags to clear.
* @id: Id for debug trace event.
- * @ref: Reference for debug trace event.
*/
void zfcp_erp_adapter_shutdown(struct zfcp_adapter *adapter, int clear,
- char *id, void *ref)
+ char *id)
{
int flags = ZFCP_STATUS_COMMON_RUNNING | ZFCP_STATUS_COMMON_ERP_FAILED;
- zfcp_erp_adapter_reopen(adapter, clear | flags, id, ref);
+ zfcp_erp_adapter_reopen(adapter, clear | flags, id);
}
/**
@@ -321,13 +318,11 @@ void zfcp_erp_adapter_shutdown(struct zfcp_adapter *adapter, int clear,
* @port: Port to shut down.
* @clear: Status flags to clear.
* @id: Id for debug trace event.
- * @ref: Reference for debug trace event.
*/
-void zfcp_erp_port_shutdown(struct zfcp_port *port, int clear, char *id,
- void *ref)
+void zfcp_erp_port_shutdown(struct zfcp_port *port, int clear, char *id)
{
int flags = ZFCP_STATUS_COMMON_RUNNING | ZFCP_STATUS_COMMON_ERP_FAILED;
- zfcp_erp_port_reopen(port, clear | flags, id, ref);
+ zfcp_erp_port_reopen(port, clear | flags, id);
}
static void zfcp_erp_port_block(struct zfcp_port *port, int clear)
@@ -336,8 +331,8 @@ static void zfcp_erp_port_block(struct zfcp_port *port, int clear)
ZFCP_STATUS_COMMON_UNBLOCKED | clear);
}
-static void _zfcp_erp_port_forced_reopen(struct zfcp_port *port,
- int clear, char *id, void *ref)
+static void _zfcp_erp_port_forced_reopen(struct zfcp_port *port, int clear,
+ char *id)
{
zfcp_erp_port_block(port, clear);
zfcp_scsi_schedule_rport_block(port);
@@ -346,28 +341,26 @@ static void _zfcp_erp_port_forced_reopen(struct zfcp_port *port,
return;
zfcp_erp_action_enqueue(ZFCP_ERP_ACTION_REOPEN_PORT_FORCED,
- port->adapter, port, NULL, id, ref, 0);
+ port->adapter, port, NULL, id, 0);
}
/**
* zfcp_erp_port_forced_reopen - Forced close of port and open again
* @port: Port to force close and to reopen.
+ * @clear: Status flags to clear.
* @id: Id for debug trace event.
- * @ref: Reference for debug trace event.
*/
-void zfcp_erp_port_forced_reopen(struct zfcp_port *port, int clear, char *id,
- void *ref)
+void zfcp_erp_port_forced_reopen(struct zfcp_port *port, int clear, char *id)
{
unsigned long flags;
struct zfcp_adapter *adapter = port->adapter;
write_lock_irqsave(&adapter->erp_lock, flags);
- _zfcp_erp_port_forced_reopen(port, clear, id, ref);
+ _zfcp_erp_port_forced_reopen(port, clear, id);
write_unlock_irqrestore(&adapter->erp_lock, flags);
}
-static int _zfcp_erp_port_reopen(struct zfcp_port *port, int clear, char *id,
- void *ref)
+static int _zfcp_erp_port_reopen(struct zfcp_port *port, int clear, char *id)
{
zfcp_erp_port_block(port, clear);
zfcp_scsi_schedule_rport_block(port);
@@ -379,24 +372,25 @@ static int _zfcp_erp_port_reopen(struct zfcp_port *port, int clear, char *id,
}
return zfcp_erp_action_enqueue(ZFCP_ERP_ACTION_REOPEN_PORT,
- port->adapter, port, NULL, id, ref, 0);
+ port->adapter, port, NULL, id, 0);
}
/**
* zfcp_erp_port_reopen - trigger remote port recovery
* @port: port to recover
* @clear_mask: flags in port status to be cleared
+ * @id: Id for debug trace event.
*
* Returns 0 if recovery has been triggered, < 0 if not.
*/
-int zfcp_erp_port_reopen(struct zfcp_port *port, int clear, char *id, void *ref)
+int zfcp_erp_port_reopen(struct zfcp_port *port, int clear, char *id)
{
int retval;
unsigned long flags;
struct zfcp_adapter *adapter = port->adapter;
write_lock_irqsave(&adapter->erp_lock, flags);
- retval = _zfcp_erp_port_reopen(port, clear, id, ref);
+ retval = _zfcp_erp_port_reopen(port, clear, id);
write_unlock_irqrestore(&adapter->erp_lock, flags);
return retval;
@@ -409,7 +403,7 @@ static void zfcp_erp_lun_block(struct scsi_device *sdev, int clear_mask)
}
static void _zfcp_erp_lun_reopen(struct scsi_device *sdev, int clear, char *id,
- void *ref, u32 act_status)
+ u32 act_status)
{
struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev);
struct zfcp_adapter *adapter = zfcp_sdev->port->adapter;
@@ -420,17 +414,18 @@ static void _zfcp_erp_lun_reopen(struct scsi_device *sdev, int clear, char *id,
return;
zfcp_erp_action_enqueue(ZFCP_ERP_ACTION_REOPEN_LUN, adapter,
- zfcp_sdev->port, sdev, id, ref, act_status);
+ zfcp_sdev->port, sdev, id, act_status);
}
/**
* zfcp_erp_lun_reopen - initiate reopen of a LUN
* @sdev: SCSI device / LUN to be reopened
* @clear_mask: specifies flags in LUN status to be cleared
+ * @id: Id for debug trace event.
+ *
* Return: 0 on success, < 0 on error
*/
-void zfcp_erp_lun_reopen(struct scsi_device *sdev, int clear, char *id,
- void *ref)
+void zfcp_erp_lun_reopen(struct scsi_device *sdev, int clear, char *id)
{
unsigned long flags;
struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev);
@@ -438,7 +433,7 @@ void zfcp_erp_lun_reopen(struct scsi_device *sdev, int clear, char *id,
struct zfcp_adapter *adapter = port->adapter;
write_lock_irqsave(&adapter->erp_lock, flags);
- _zfcp_erp_lun_reopen(sdev, clear, id, ref, 0);
+ _zfcp_erp_lun_reopen(sdev, clear, id, 0);
write_unlock_irqrestore(&adapter->erp_lock, flags);
}
@@ -447,13 +442,11 @@ void zfcp_erp_lun_reopen(struct scsi_device *sdev, int clear, char *id,
* @sdev: SCSI device / LUN to shut down.
* @clear: Status flags to clear.
* @id: Id for debug trace event.
- * @ref: Reference for debug trace event.
*/
-void zfcp_erp_lun_shutdown(struct scsi_device *sdev, int clear, char *id,
- void *ref)
+void zfcp_erp_lun_shutdown(struct scsi_device *sdev, int clear, char *id)
{
int flags = ZFCP_STATUS_COMMON_RUNNING | ZFCP_STATUS_COMMON_ERP_FAILED;
- zfcp_erp_lun_reopen(sdev, clear | flags, id, ref);
+ zfcp_erp_lun_reopen(sdev, clear | flags, id);
}
/**
@@ -475,7 +468,7 @@ void zfcp_erp_lun_shutdown_wait(struct scsi_device *sdev, char *id)
int clear = ZFCP_STATUS_COMMON_RUNNING | ZFCP_STATUS_COMMON_ERP_FAILED;
write_lock_irqsave(&adapter->erp_lock, flags);
- _zfcp_erp_lun_reopen(sdev, clear, id, NULL, ZFCP_STATUS_ERP_NO_REF);
+ _zfcp_erp_lun_reopen(sdev, clear, id, ZFCP_STATUS_ERP_NO_REF);
write_unlock_irqrestore(&adapter->erp_lock, flags);
zfcp_erp_wait(adapter);
@@ -584,40 +577,40 @@ static void zfcp_erp_strategy_memwait(struct zfcp_erp_action *erp_action)
}
static void _zfcp_erp_port_reopen_all(struct zfcp_adapter *adapter,
- int clear, char *id, void *ref)
+ int clear, char *id)
{
struct zfcp_port *port;
read_lock(&adapter->port_list_lock);
list_for_each_entry(port, &adapter->port_list, list)
- _zfcp_erp_port_reopen(port, clear, id, ref);
+ _zfcp_erp_port_reopen(port, clear, id);
read_unlock(&adapter->port_list_lock);
}
static void _zfcp_erp_lun_reopen_all(struct zfcp_port *port, int clear,
- char *id, void *ref)
+ char *id)
{
struct scsi_device *sdev;
shost_for_each_device(sdev, port->adapter->scsi_host)
if (sdev_to_zfcp(sdev)->port == port)
- _zfcp_erp_lun_reopen(sdev, clear, id, ref, 0);
+ _zfcp_erp_lun_reopen(sdev, clear, id, 0);
}
static void zfcp_erp_strategy_followup_failed(struct zfcp_erp_action *act)
{
switch (act->action) {
case ZFCP_ERP_ACTION_REOPEN_ADAPTER:
- _zfcp_erp_adapter_reopen(act->adapter, 0, "ersff_1", NULL);
+ _zfcp_erp_adapter_reopen(act->adapter, 0, "ersff_1");
break;
case ZFCP_ERP_ACTION_REOPEN_PORT_FORCED:
- _zfcp_erp_port_forced_reopen(act->port, 0, "ersff_2", NULL);
+ _zfcp_erp_port_forced_reopen(act->port, 0, "ersff_2");
break;
case ZFCP_ERP_ACTION_REOPEN_PORT:
- _zfcp_erp_port_reopen(act->port, 0, "ersff_3", NULL);
+ _zfcp_erp_port_reopen(act->port, 0, "ersff_3");
break;
case ZFCP_ERP_ACTION_REOPEN_LUN:
- _zfcp_erp_lun_reopen(act->sdev, 0, "ersff_4", NULL, 0);
+ _zfcp_erp_lun_reopen(act->sdev, 0, "ersff_4", 0);
break;
}
}
@@ -626,13 +619,13 @@ static void zfcp_erp_strategy_followup_success(struct zfcp_erp_action *act)
{
switch (act->action) {
case ZFCP_ERP_ACTION_REOPEN_ADAPTER:
- _zfcp_erp_port_reopen_all(act->adapter, 0, "ersfs_1", NULL);
+ _zfcp_erp_port_reopen_all(act->adapter, 0, "ersfs_1");
break;
case ZFCP_ERP_ACTION_REOPEN_PORT_FORCED:
- _zfcp_erp_port_reopen(act->port, 0, "ersfs_2", NULL);
+ _zfcp_erp_port_reopen(act->port, 0, "ersfs_2");
break;
case ZFCP_ERP_ACTION_REOPEN_PORT:
- _zfcp_erp_lun_reopen_all(act->port, 0, "ersfs_3", NULL);
+ _zfcp_erp_lun_reopen_all(act->port, 0, "ersfs_3");
break;
}
}
@@ -669,7 +662,7 @@ static void zfcp_erp_enqueue_ptp_port(struct zfcp_adapter *adapter)
adapter->peer_d_id);
if (IS_ERR(port)) /* error or port already attached */
return;
- _zfcp_erp_port_reopen(port, 0, "ereptp1", NULL);
+ _zfcp_erp_port_reopen(port, 0, "ereptp1");
}
static int zfcp_erp_adapter_strat_fsf_xconf(struct zfcp_erp_action *erp_action)
@@ -1163,7 +1156,7 @@ static int zfcp_erp_strategy_statechange(struct zfcp_erp_action *act, int ret)
if (zfcp_erp_strat_change_det(&adapter->status, erp_status)) {
_zfcp_erp_adapter_reopen(adapter,
ZFCP_STATUS_COMMON_ERP_FAILED,
- "ersscg1", NULL);
+ "ersscg1");
return ZFCP_ERP_EXIT;
}
break;
@@ -1173,7 +1166,7 @@ static int zfcp_erp_strategy_statechange(struct zfcp_erp_action *act, int ret)
if (zfcp_erp_strat_change_det(&port->status, erp_status)) {
_zfcp_erp_port_reopen(port,
ZFCP_STATUS_COMMON_ERP_FAILED,
- "ersscg2", NULL);
+ "ersscg2");
return ZFCP_ERP_EXIT;
}
break;
@@ -1183,7 +1176,7 @@ static int zfcp_erp_strategy_statechange(struct zfcp_erp_action *act, int ret)
if (zfcp_erp_strat_change_det(&zfcp_sdev->status, erp_status)) {
_zfcp_erp_lun_reopen(sdev,
ZFCP_STATUS_COMMON_ERP_FAILED,
- "ersscg3", NULL, 0);
+ "ersscg3", 0);
return ZFCP_ERP_EXIT;
}
break;
@@ -1310,7 +1303,7 @@ static int zfcp_erp_strategy(struct zfcp_erp_action *erp_action)
erp_action->status |= ZFCP_STATUS_ERP_LOWMEM;
}
if (adapter->erp_total_count == adapter->erp_low_mem_count)
- _zfcp_erp_adapter_reopen(adapter, 0, "erstgy1", NULL);
+ _zfcp_erp_adapter_reopen(adapter, 0, "erstgy1");
else {
zfcp_erp_strategy_memwait(erp_action);
retval = ZFCP_ERP_CONTINUES;
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-18 22:00:26 +0000