diff options
| -rw-r--r-- | drivers/s390/scsi/zfcp_dbf.c | 35 | ||||
| -rw-r--r-- | drivers/s390/scsi/zfcp_def.h | 9 | ||||
| -rw-r--r-- | drivers/s390/scsi/zfcp_erp.c | 6 | ||||
| -rw-r--r-- | drivers/s390/scsi/zfcp_ext.h | 1 |
4 files changed, 51 insertions, 0 deletions
diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c index f207b0bd0ca..466a689c538 100644 --- a/drivers/s390/scsi/zfcp_dbf.c +++ b/drivers/s390/scsi/zfcp_dbf.c @@ -524,6 +524,7 @@ static const char *zfcp_rec_dbf_tags[] = { [ZFCP_REC_DBF_ID_THREAD] = "thread", [ZFCP_REC_DBF_ID_TARGET] = "target", [ZFCP_REC_DBF_ID_TRIGGER] = "trigger", + [ZFCP_REC_DBF_ID_ACTION] = "action", }; static const char *zfcp_rec_dbf_ids[] = { @@ -671,6 +672,11 @@ static const char *zfcp_rec_dbf_ids[] = { [139] = "hbaapi unit shutdown", [140] = "qdio error", [141] = "scsi host reset", + [142] = "dismissing fsf request for recovery action", + [143] = "recovery action timed out", + [144] = "recovery action gone", + [145] = "recovery action being processed", + [146] = "recovery action ready for next step", }; static int zfcp_rec_dbf_view_format(debug_info_t *id, struct debug_view *view, @@ -708,6 +714,12 @@ static int zfcp_rec_dbf_view_format(debug_info_t *id, struct debug_view *view, zfcp_dbf_out(&p, "port_status", "0x%08x", r->u.trigger.ps); zfcp_dbf_out(&p, "unit_status", "0x%08x", r->u.trigger.us); break; + case ZFCP_REC_DBF_ID_ACTION: + zfcp_dbf_out(&p, "erp_action", "0x%016Lx", r->u.action.action); + zfcp_dbf_out(&p, "fsf_req", "0x%016Lx", r->u.action.fsf_req); + zfcp_dbf_out(&p, "status", "0x%08Lx", r->u.action.status); + zfcp_dbf_out(&p, "step", "0x%08Lx", r->u.action.step); + break; } sprintf(p, "\n"); return (p - buf) + 1; @@ -861,6 +873,29 @@ void zfcp_rec_dbf_event_trigger(u8 id2, u64 ref, u8 want, u8 need, u64 action, spin_unlock_irqrestore(&adapter->rec_dbf_lock, flags); } +/** + * zfcp_rec_dbf_event_action - trace event showing progress of recovery action + * @id2: identifier + * @erp_action: error recovery action struct pointer + */ +void zfcp_rec_dbf_event_action(u8 id2, struct zfcp_erp_action *erp_action) +{ + struct zfcp_adapter *adapter = erp_action->adapter; + struct zfcp_rec_dbf_record *r = &adapter->rec_dbf_buf; + unsigned long flags; + + spin_lock_irqsave(&adapter->rec_dbf_lock, flags); + memset(r, 0, sizeof(*r)); + r->id = ZFCP_REC_DBF_ID_ACTION; + r->id2 = id2; + r->u.action.action = (u64)erp_action; + r->u.action.status = erp_action->status; + r->u.action.step = erp_action->step; + r->u.action.fsf_req = (u64)erp_action->fsf_req; + debug_event(adapter->rec_dbf, 4, r, sizeof(*r)); + spin_unlock_irqrestore(&adapter->rec_dbf_lock, flags); +} + static void _zfcp_san_dbf_event_common_ct(const char *tag, struct zfcp_fsf_req *fsf_req, u32 s_id, u32 d_id, void *buffer, int buflen) diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h index aad75cfa1c6..9a4d870a820 100644 --- a/drivers/s390/scsi/zfcp_def.h +++ b/drivers/s390/scsi/zfcp_def.h @@ -307,10 +307,18 @@ struct zfcp_rec_dbf_record_trigger { u64 fcp_lun; } __attribute__ ((packed)); +struct zfcp_rec_dbf_record_action { + u32 status; + u32 step; + u64 action; + u64 fsf_req; +} __attribute__ ((packed)); + struct zfcp_rec_dbf_record { u8 id; u8 id2; union { + struct zfcp_rec_dbf_record_action action; struct zfcp_rec_dbf_record_thread thread; struct zfcp_rec_dbf_record_target target; struct zfcp_rec_dbf_record_trigger trigger; @@ -318,6 +326,7 @@ struct zfcp_rec_dbf_record { } __attribute__ ((packed)); enum { + ZFCP_REC_DBF_ID_ACTION, ZFCP_REC_DBF_ID_THREAD, ZFCP_REC_DBF_ID_TARGET, ZFCP_REC_DBF_ID_TRIGGER, diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c index 55e034b10de..335ab70181e 100644 --- a/drivers/s390/scsi/zfcp_erp.c +++ b/drivers/s390/scsi/zfcp_erp.c @@ -893,8 +893,10 @@ zfcp_erp_strategy_check_fsfreq(struct zfcp_erp_action *erp_action) "a_ca_disreq"); erp_action->fsf_req->status |= ZFCP_STATUS_FSFREQ_DISMISSED; + zfcp_rec_dbf_event_action(142, erp_action); } if (erp_action->status & ZFCP_STATUS_ERP_TIMEDOUT) { + zfcp_rec_dbf_event_action(143, erp_action); ZFCP_LOG_NORMAL("error: erp step timed out " "(action=%d, fsf_req=%p)\n ", erp_action->action, @@ -3162,6 +3164,8 @@ zfcp_erp_action_dequeue(struct zfcp_erp_action *erp_action) debug_text_event(adapter->erp_dbf, 4, "a_actdeq"); debug_event(adapter->erp_dbf, 4, &erp_action->action, sizeof (int)); list_del(&erp_action->list); + zfcp_rec_dbf_event_action(144, erp_action); + switch (erp_action->action) { case ZFCP_ERP_ACTION_REOPEN_UNIT: atomic_clear_mask(ZFCP_STATUS_COMMON_ERP_INUSE, @@ -3305,6 +3309,7 @@ static void zfcp_erp_action_to_running(struct zfcp_erp_action *erp_action) debug_text_event(adapter->erp_dbf, 6, "a_toru"); debug_event(adapter->erp_dbf, 6, &erp_action->action, sizeof (int)); list_move(&erp_action->list, &erp_action->adapter->erp_running_head); + zfcp_rec_dbf_event_action(145, erp_action); } static void zfcp_erp_action_to_ready(struct zfcp_erp_action *erp_action) @@ -3314,6 +3319,7 @@ static void zfcp_erp_action_to_ready(struct zfcp_erp_action *erp_action) debug_text_event(adapter->erp_dbf, 6, "a_tore"); debug_event(adapter->erp_dbf, 6, &erp_action->action, sizeof (int)); list_move(&erp_action->list, &erp_action->adapter->erp_ready_head); + zfcp_rec_dbf_event_action(146, erp_action); } void zfcp_erp_port_boxed(struct zfcp_port *port, u8 id, u64 ref) diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h index e10ed145baa..6de0147d84d 100644 --- a/drivers/s390/scsi/zfcp_ext.h +++ b/drivers/s390/scsi/zfcp_ext.h @@ -173,6 +173,7 @@ extern void zfcp_rec_dbf_event_unit(u8 id, u64 ref, struct zfcp_unit *unit); extern void zfcp_rec_dbf_event_trigger(u8 id, u64 ref, u8 want, u8 need, u64 action, struct zfcp_adapter *, struct zfcp_port *, struct zfcp_unit *); +extern void zfcp_rec_dbf_event_action(u8 id, struct zfcp_erp_action *); extern void zfcp_hba_dbf_event_fsf_response(struct zfcp_fsf_req *); extern void zfcp_hba_dbf_event_fsf_unsol(const char *, struct zfcp_adapter *, |