zfcp updates for 2.6.38 merge window

@@ -50,11 +50,6 @@ static void zfcp_dbf_tag(char **p, const
 	*p += sprintf(*p, "\n");
 }
 
-static void zfcp_dbf_outs(char **buf, const char *s1, const char *s2)
-{
-	*buf += sprintf(*buf, "%-24s%s\n", s1, s2);
-}
-
 static void zfcp_dbf_out(char **buf, const char *s, const char *format, ...)
 {
 	va_list arg;

@@ -439,241 +434,96 @@ static struct debug_view zfcp_dbf_hba_vi
 	.format_proc = zfcp_dbf_hba_view_format,
 };
 
-static const char *zfcp_dbf_rec_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 int zfcp_dbf_rec_view_format(debug_info_t *id, struct debug_view *view,
-				    char *buf, const char *_rec)
+static void zfcp_dbf_set_common(struct zfcp_dbf_rec *rec,
+				struct zfcp_adapter *adapter,
+				struct zfcp_port *port,
+				struct scsi_device *sdev)
 {
-	struct zfcp_dbf_rec_record *r = (struct zfcp_dbf_rec_record *)_rec;
-	char *p = buf;
-	char hint[ZFCP_DBF_ID_SIZE + 1];
-
-	memcpy(hint, r->id2, ZFCP_DBF_ID_SIZE);
-	hint[ZFCP_DBF_ID_SIZE] = 0;
-	zfcp_dbf_outs(&p, "tag", zfcp_dbf_rec_tags[r->id]);
-	zfcp_dbf_outs(&p, "hint", hint);
-	switch (r->id) {
-	case ZFCP_REC_DBF_ID_THREAD:
-		zfcp_dbf_out(&p, "total", "%d", r->u.thread.total);
-		zfcp_dbf_out(&p, "ready", "%d", r->u.thread.ready);
-		zfcp_dbf_out(&p, "running", "%d", r->u.thread.running);
-		break;
-	case ZFCP_REC_DBF_ID_TARGET:
-		zfcp_dbf_out(&p, "reference", "0x%016Lx", r->u.target.ref);
-		zfcp_dbf_out(&p, "status", "0x%08x", r->u.target.status);
-		zfcp_dbf_out(&p, "erp_count", "%d", r->u.target.erp_count);
-		zfcp_dbf_out(&p, "d_id", "0x%06x", r->u.target.d_id);
-		zfcp_dbf_out(&p, "wwpn", "0x%016Lx", r->u.target.wwpn);
-		zfcp_dbf_out(&p, "fcp_lun", "0x%016Lx", r->u.target.fcp_lun);
-		break;
-	case ZFCP_REC_DBF_ID_TRIGGER:
-		zfcp_dbf_out(&p, "reference", "0x%016Lx", r->u.trigger.ref);
-		zfcp_dbf_out(&p, "erp_action", "0x%016Lx", r->u.trigger.action);
-		zfcp_dbf_out(&p, "requested", "%d", r->u.trigger.want);
-		zfcp_dbf_out(&p, "executed", "%d", r->u.trigger.need);
-		zfcp_dbf_out(&p, "wwpn", "0x%016Lx", r->u.trigger.wwpn);
-		zfcp_dbf_out(&p, "fcp_lun", "0x%016Lx", r->u.trigger.fcp_lun);
-		zfcp_dbf_out(&p, "adapter_status", "0x%08x", r->u.trigger.as);
-		zfcp_dbf_out(&p, "port_status", "0x%08x", r->u.trigger.ps);
-		zfcp_dbf_out(&p, "lun_status", "0x%08x", r->u.trigger.ls);
-		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;
+	rec->adapter_status = atomic_read(&adapter->status);
+	if (port) {
+		rec->port_status = atomic_read(&port->status);
+		rec->wwpn = port->wwpn;
+		rec->d_id = port->d_id;
+	}
+	if (sdev) {
+		rec->lun_status = atomic_read(&sdev_to_zfcp(sdev)->status);
+		rec->lun = zfcp_scsi_dev_lun(sdev);
 	}
-	p += sprintf(p, "\n");
-	return p - buf;
 }
 
-static struct debug_view zfcp_dbf_rec_view = {
-	.name = "structured",
-	.header_proc = zfcp_dbf_view_header,
-	.format_proc = zfcp_dbf_rec_view_format,
-};
-
 /**
- * zfcp_dbf_rec_thread - trace event related to recovery thread operation
- * @id2: identifier for event
- * @dbf: reference to dbf structure
- * This function assumes that the caller is holding erp_lock.
- */
-void zfcp_dbf_rec_thread(char *id2, struct zfcp_dbf *dbf)
+ * zfcp_dbf_rec_trig - trace event related to triggered recovery
+ * @tag: identifier for event
+ * @adapter: adapter on which the erp_action should run
+ * @port: remote port involved in the erp_action
+ * @sdev: scsi device involved in the erp_action
+ * @want: wanted erp_action
+ * @need: required erp_action
+ *
+ * The adapter->erp_lock has to be held.
+ */
+void zfcp_dbf_rec_trig(char *tag, struct zfcp_adapter *adapter,
+		       struct zfcp_port *port, struct scsi_device *sdev,
+		       u8 want, u8 need)
 {
-	struct zfcp_adapter *adapter = dbf->adapter;
-	struct zfcp_dbf_rec_record *r = &dbf->rec_buf;
-	unsigned long flags = 0;
+	struct zfcp_dbf *dbf = adapter->dbf;
+	struct zfcp_dbf_rec *rec = &dbf->rec_buf;
 	struct list_head *entry;
-	unsigned ready = 0, running = 0, total;
-
-	list_for_each(entry, &adapter->erp_ready_head)
-		ready++;
-	list_for_each(entry, &adapter->erp_running_head)
-		running++;
-	total = adapter->erp_total_count;
-
-	spin_lock_irqsave(&dbf->rec_lock, flags);
-	memset(r, 0, sizeof(*r));
-	r->id = ZFCP_REC_DBF_ID_THREAD;
-	memcpy(r->id2, id2, ZFCP_DBF_ID_SIZE);
-	r->u.thread.total = total;
-	r->u.thread.ready = ready;
-	r->u.thread.running = running;
-	debug_event(dbf->rec, 6, r, sizeof(*r));
-	spin_unlock_irqrestore(&dbf->rec_lock, flags);
-}
-
-/**
- * zfcp_dbf_rec_thread - trace event related to recovery thread operation
- * @id2: identifier for event
- * @adapter: adapter
- * This function assumes that the caller does not hold erp_lock.
- */
-void zfcp_dbf_rec_thread_lock(char *id2, struct zfcp_dbf *dbf)
-{
-	struct zfcp_adapter *adapter = dbf->adapter;
-	unsigned long flags;
-
-	read_lock_irqsave(&adapter->erp_lock, flags);
-	zfcp_dbf_rec_thread(id2, dbf);
-	read_unlock_irqrestore(&adapter->erp_lock, flags);
-}
-
-static void zfcp_dbf_rec_target(char *id2, void *ref, struct zfcp_dbf *dbf,
-				atomic_t *status, atomic_t *erp_count, u64 wwpn,
-				u32 d_id, u64 fcp_lun)
-{
-	struct zfcp_dbf_rec_record *r = &dbf->rec_buf;
 	unsigned long flags;
 
 	spin_lock_irqsave(&dbf->rec_lock, flags);
-	memset(r, 0, sizeof(*r));
-	r->id = ZFCP_REC_DBF_ID_TARGET;
-	memcpy(r->id2, id2, ZFCP_DBF_ID_SIZE);
-	r->u.target.ref = (unsigned long)ref;
-	r->u.target.status = atomic_read(status);
-	r->u.target.wwpn = wwpn;
-	r->u.target.d_id = d_id;
-	r->u.target.fcp_lun = fcp_lun;
-	r->u.target.erp_count = atomic_read(erp_count);
-	debug_event(dbf->rec, 3, r, sizeof(*r));
-	spin_unlock_irqrestore(&dbf->rec_lock, flags);
-}
+	memset(rec, 0, sizeof(*rec));
 
-/**
- * zfcp_dbf_rec_adapter - trace event for adapter state change
- * @id: identifier for trigger of state change
- * @ref: additional reference (e.g. request)
- * @dbf: reference to dbf structure
- */
-void zfcp_dbf_rec_adapter(char *id, void *ref, struct zfcp_dbf *dbf)
-{
-	struct zfcp_adapter *adapter = dbf->adapter;
+	rec->id = ZFCP_DBF_REC_TRIG;
+	memcpy(rec->tag, tag, ZFCP_DBF_TAG_LEN);
+	zfcp_dbf_set_common(rec, adapter, port, sdev);
 
-	zfcp_dbf_rec_target(id, ref, dbf, &adapter->status,
-			    &adapter->erp_counter, 0, 0,
-			    ZFCP_DBF_INVALID_LUN);
-}
+	list_for_each(entry, &adapter->erp_ready_head)
+		rec->u.trig.ready++;
 
-/**
- * zfcp_dbf_rec_port - trace event for port state change
- * @id: identifier for trigger of state change
- * @ref: additional reference (e.g. request)
- * @port: port
- */
-void zfcp_dbf_rec_port(char *id, void *ref, struct zfcp_port *port)
-{
-	struct zfcp_dbf *dbf = port->adapter->dbf;
+	list_for_each(entry, &adapter->erp_running_head)
+		rec->u.trig.running++;
 
-	zfcp_dbf_rec_target(id, ref, dbf, &port->status,
-			    &port->erp_counter, port->wwpn, port->d_id,
-			    ZFCP_DBF_INVALID_LUN);
-}
+	rec->u.trig.want = want;
+	rec->u.trig.need = need;
 
-/**
- * zfcp_dbf_rec_lun - trace event for LUN state change
- * @id: identifier for trigger of state change
- * @ref: additional reference (e.g. request)
- * @sdev: SCSI device
- */
-void zfcp_dbf_rec_lun(char *id, void *ref, struct scsi_device *sdev)
-{
-	struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev);
-	struct zfcp_port *port = zfcp_sdev->port;
-	struct zfcp_dbf *dbf = port->adapter->dbf;
-
-	zfcp_dbf_rec_target(id, ref, dbf, &zfcp_sdev->status,
-			    &zfcp_sdev->erp_counter, port->wwpn, port->d_id,
-			    zfcp_scsi_dev_lun(sdev));
+	debug_event(dbf->rec, 1, rec, sizeof(*rec));
+	spin_unlock_irqrestore(&dbf->rec_lock, flags);
 }
 
+
 /**
- * zfcp_dbf_rec_trigger - trace event for triggered error recovery
- * @id2: identifier for error recovery trigger
- * @ref: additional reference (e.g. request)
- * @want: originally requested error recovery action
- * @need: error recovery action actually initiated
- * @action: address of error recovery action struct
- * @adapter: adapter
- * @port: port
- * @sdev: SCSI device
+ * zfcp_dbf_rec_run - trace event related to running recovery
+ * @tag: identifier for event
+ * @erp: erp_action running
  */
-void zfcp_dbf_rec_trigger(char *id2, void *ref, u8 want, u8 need, void *action,
-			  struct zfcp_adapter *adapter, struct zfcp_port *port,
-			  struct scsi_device *sdev)
+void zfcp_dbf_rec_run(char *tag, struct zfcp_erp_action *erp)
 {
-	struct zfcp_dbf *dbf = adapter->dbf;
-	struct zfcp_dbf_rec_record *r = &dbf->rec_buf;
+	struct zfcp_dbf *dbf = erp->adapter->dbf;
+	struct zfcp_dbf_rec *rec = &dbf->rec_buf;
 	unsigned long flags;
 
 	spin_lock_irqsave(&dbf->rec_lock, flags);
-	memset(r, 0, sizeof(*r));
-	r->id = ZFCP_REC_DBF_ID_TRIGGER;
-	memcpy(r->id2, id2, ZFCP_DBF_ID_SIZE);
-	r->u.trigger.ref = (unsigned long)ref;
-	r->u.trigger.want = want;
-	r->u.trigger.need = need;
-	r->u.trigger.action = (unsigned long)action;
-	r->u.trigger.as = atomic_read(&adapter->status);
-	if (port) {
-		r->u.trigger.ps = atomic_read(&port->status);
-		r->u.trigger.wwpn = port->wwpn;
-	}
-	if (sdev)
-		r->u.trigger.ls = atomic_read(&sdev_to_zfcp(sdev)->status);
-	r->u.trigger.fcp_lun = sdev ? zfcp_scsi_dev_lun(sdev) :
-				      ZFCP_DBF_INVALID_LUN;
-	debug_event(dbf->rec, action ? 1 : 4, r, sizeof(*r));
-	spin_unlock_irqrestore(&dbf->rec_lock, flags);
-}
+	memset(rec, 0, sizeof(*rec));
 
-/**
- * zfcp_dbf_rec_action - trace event showing progress of recovery action
- * @id2: identifier
- * @erp_action: error recovery action struct pointer
- */
-void zfcp_dbf_rec_action(char *id2, struct zfcp_erp_action *erp_action)
-{
-	struct zfcp_dbf *dbf = erp_action->adapter->dbf;
-	struct zfcp_dbf_rec_record *r = &dbf->rec_buf;
-	unsigned long flags;
+	rec->id = ZFCP_DBF_REC_RUN;
+	memcpy(rec->tag, tag, ZFCP_DBF_TAG_LEN);
+	zfcp_dbf_set_common(rec, erp->adapter, erp->port, erp->sdev);
+
+	rec->u.run.fsf_req_id = erp->fsf_req_id;
+	rec->u.run.rec_status = erp->status;
+	rec->u.run.rec_step = erp->step;
+	rec->u.run.rec_action = erp->action;
+
+	if (erp->sdev)
+		rec->u.run.rec_count =
+			atomic_read(&sdev_to_zfcp(erp->sdev)->erp_counter);
+	else if (erp->port)
+		rec->u.run.rec_count = atomic_read(&erp->port->erp_counter);
+	else
+		rec->u.run.rec_count = atomic_read(&erp->adapter->erp_counter);
 
-	spin_lock_irqsave(&dbf->rec_lock, flags);
-	memset(r, 0, sizeof(*r));
-	r->id = ZFCP_REC_DBF_ID_ACTION;
-	memcpy(r->id2, id2, ZFCP_DBF_ID_SIZE);
-	r->u.action.action = (unsigned long)erp_action;
-	r->u.action.status = erp_action->status;
-	r->u.action.step = erp_action->step;
-	r->u.action.fsf_req = erp_action->fsf_req_id;
-	debug_event(dbf->rec, 5, r, sizeof(*r));
+	debug_event(dbf->rec, 1, rec, sizeof(*rec));
 	spin_unlock_irqrestore(&dbf->rec_lock, flags);
 }
 

@@ -1019,8 +869,7 @@ int zfcp_dbf_adapter_register(struct zfc
 
 	/* debug feature area which records recovery activity */
 	sprintf(dbf_name, "zfcp_%s_rec", dev_name(&adapter->ccw_device->dev));
-	dbf->rec = zfcp_dbf_reg(dbf_name, 3, &zfcp_dbf_rec_view,
-				sizeof(struct zfcp_dbf_rec_record));
+	dbf->rec = zfcp_dbf_reg(dbf_name, 3, NULL, sizeof(struct zfcp_dbf_rec));
 	if (!dbf->rec)
 		goto err_out;
 

130 lines not on this page · raw message

@@ -76,9 +76,9 @@ static void zfcp_erp_action_ready(struct
 	struct zfcp_adapter *adapter = act->adapter;
 
 	list_move(&act->list, &act->adapter->erp_ready_head);
-	zfcp_dbf_rec_action("erardy1", act);
+	zfcp_dbf_rec_run("erardy1", act);
 	wake_up(&adapter->erp_ready_wq);
-	zfcp_dbf_rec_thread("erardy2", adapter->dbf);
+	zfcp_dbf_rec_run("erardy2", act);
 }
 
 static void zfcp_erp_action_dismiss(struct zfcp_erp_action *act)

@@ -239,7 +239,7 @@ static int zfcp_erp_action_enqueue(int w
 				   char *id, void *ref, u32 act_status)
 {
 	int retval = 1, need;
-	struct zfcp_erp_action *act = NULL;
+	struct zfcp_erp_action *act;
 
 	if (!adapter->erp_thread)
 		return -EIO;

@@ -255,10 +255,9 @@ static int zfcp_erp_action_enqueue(int w
 	++adapter->erp_total_count;
 	list_add_tail(&act->list, &adapter->erp_ready_head);
 	wake_up(&adapter->erp_ready_wq);
-	zfcp_dbf_rec_thread("eracte1", adapter->dbf);
 	retval = 0;
  out:
-	zfcp_dbf_rec_trigger(id, ref, want, need, act, adapter, port, sdev);
+	zfcp_dbf_rec_trig(id, adapter, port, sdev, want, need);
 	return retval;
 }
 

@@ -490,14 +489,14 @@ static int status_change_set(unsigned lo
 static void zfcp_erp_adapter_unblock(struct zfcp_adapter *adapter)
 {
 	if (status_change_set(ZFCP_STATUS_COMMON_UNBLOCKED, &adapter->status))
-		zfcp_dbf_rec_adapter("eraubl1", NULL, adapter->dbf);
+		zfcp_dbf_rec_run("eraubl1", &adapter->erp_action);
 	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_dbf_rec_port("erpubl1", NULL, port);
+		zfcp_dbf_rec_run("erpubl1", &port->erp_action);
 	atomic_set_mask(ZFCP_STATUS_COMMON_UNBLOCKED, &port->status);
 }
 

@@ -506,14 +505,14 @@ static void zfcp_erp_lun_unblock(struct
 	struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev);
 
 	if (status_change_set(ZFCP_STATUS_COMMON_UNBLOCKED, &zfcp_sdev->status))
-		zfcp_dbf_rec_lun("erlubl1", NULL, sdev);
+		zfcp_dbf_rec_run("erlubl1", &sdev_to_zfcp(sdev)->erp_action);
 	atomic_set_mask(ZFCP_STATUS_COMMON_UNBLOCKED, &zfcp_sdev->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_dbf_rec_action("erator1", erp_action);
+	zfcp_dbf_rec_run("erator1", erp_action);
 }
 
 static void zfcp_erp_strategy_check_fsfreq(struct zfcp_erp_action *act)

@@ -530,11 +529,11 @@ static void zfcp_erp_strategy_check_fsfr
 		if (act->status & (ZFCP_STATUS_ERP_DISMISSED |
 				   ZFCP_STATUS_ERP_TIMEDOUT)) {
 			req->status |= ZFCP_STATUS_FSFREQ_DISMISSED;
-			zfcp_dbf_rec_action("erscf_1", act);
+			zfcp_dbf_rec_run("erscf_1", act);
 			req->erp_action = NULL;
 		}
 		if (act->status & ZFCP_STATUS_ERP_TIMEDOUT)
-			zfcp_dbf_rec_action("erscf_2", act);
+			zfcp_dbf_rec_run("erscf_2", act);
 		if (req->status & ZFCP_STATUS_FSFREQ_DISMISSED)
 			act->fsf_req_id = 0;
 	} else

@@ -693,10 +692,8 @@ static int zfcp_erp_adapter_strat_fsf_xc
 			return ZFCP_ERP_FAILED;
 		}
 
-		zfcp_dbf_rec_thread_lock("erasfx1", adapter->dbf);
 		wait_event(adapter->erp_ready_wq,
 			   !list_empty(&adapter->erp_ready_head));
-		zfcp_dbf_rec_thread_lock("erasfx2", adapter->dbf);
 		if (erp_action->status & ZFCP_STATUS_ERP_TIMEDOUT)
 			break;
 

@@ -735,10 +732,10 @@ static int zfcp_erp_adapter_strategy_ope
 	if (ret)
 		return ZFCP_ERP_FAILED;
 
-	zfcp_dbf_rec_thread_lock("erasox1", adapter->dbf);
+	zfcp_dbf_rec_run("erasox1", act);
 	wait_event(adapter->erp_ready_wq,
 		   !list_empty(&adapter->erp_ready_head));
-	zfcp_dbf_rec_thread_lock("erasox2", adapter->dbf);
+	zfcp_dbf_rec_run("erasox2", act);
 	if (act->status & ZFCP_STATUS_ERP_TIMEDOUT)
 		return ZFCP_ERP_FAILED;
 

@@ -1206,7 +1203,7 @@ static void zfcp_erp_action_dequeue(stru
 	}
 
 	list_del(&erp_action->list);
-	zfcp_dbf_rec_action("eractd1", erp_action);
+	zfcp_dbf_rec_run("eractd1", erp_action);
 
 	switch (erp_action->action) {
 	case ZFCP_ERP_ACTION_REOPEN_LUN:

@@ -1357,11 +1354,9 @@ static int zfcp_erp_thread(void *data)
 	unsigned long flags;
 
 	for (;;) {
-		zfcp_dbf_rec_thread_lock("erthrd1", adapter->dbf);
 		wait_event_interruptible(adapter->erp_ready_wq,
 			   !list_empty(&adapter->erp_ready_head) ||
 			   kthread_should_stop());
-		zfcp_dbf_rec_thread_lock("erthrd2", adapter->dbf);
 
 		if (kthread_should_stop())
 			break;

@@ -46,15 +46,9 @@ extern void zfcp_cfdc_adapter_access_cha
 /* zfcp_dbf.c */
 extern int zfcp_dbf_adapter_register(struct zfcp_adapter *);
 extern void zfcp_dbf_adapter_unregister(struct zfcp_dbf *);
-extern void zfcp_dbf_rec_thread(char *, struct zfcp_dbf *);
-extern void zfcp_dbf_rec_thread_lock(char *, struct zfcp_dbf *);
-extern void zfcp_dbf_rec_adapter(char *, void *, struct zfcp_dbf *);
-extern void zfcp_dbf_rec_port(char *, void *, struct zfcp_port *);
-extern void zfcp_dbf_rec_lun(char *, void *, struct scsi_device *);
-extern void zfcp_dbf_rec_trigger(char *, void *, u8, u8, void *,
-				 struct zfcp_adapter *, struct zfcp_port *,
-				 struct scsi_device *);
-extern void zfcp_dbf_rec_action(char *, struct zfcp_erp_action *);
+extern void zfcp_dbf_rec_trig(char *, struct zfcp_adapter *,
+			      struct zfcp_port *, struct scsi_device *, u8, u8);
+extern void zfcp_dbf_rec_run(char *, struct zfcp_erp_action *);
 extern void _zfcp_dbf_hba_fsf_response(const char *, int, struct zfcp_fsf_req *,
 				       struct zfcp_dbf *);
 extern void _zfcp_dbf_hba_fsf_unsol(const char *, int level, struct zfcp_dbf *,

diff -urpN linux-2.6/drivers/s390/scsi/zfcp_dbf.c linux-2.6-patched/drivers/s390/scsi/zfcp_dbf.c
@@ -527,183 +527,79 @@ void zfcp_dbf_rec_run(char *tag, struct
 	spin_unlock_irqrestore(&dbf->rec_lock, flags);
 }
 
-/**
- * zfcp_dbf_san_ct_request - trace event for issued CT request
- * @fsf_req: request containing issued CT data
- * @d_id: destination id where ct request is sent to
- */
-void zfcp_dbf_san_ct_request(struct zfcp_fsf_req *fsf_req, u32 d_id)
-{
-	struct zfcp_fsf_ct_els *ct = (struct zfcp_fsf_ct_els *)fsf_req->data;
-	struct zfcp_adapter *adapter = fsf_req->adapter;
-	struct zfcp_dbf *dbf = adapter->dbf;
-	struct fc_ct_hdr *hdr = sg_virt(ct->req);
-	struct zfcp_dbf_san_record *r = &dbf->san_buf;
-	struct zfcp_dbf_san_record_ct_request *oct = &r->u.ct_req;
-	int level = 3;
-	unsigned long flags;
-
-	spin_lock_irqsave(&dbf->san_lock, flags);
-	memset(r, 0, sizeof(*r));
-	strncpy(r->tag, "octc", ZFCP_DBF_TAG_SIZE);
-	r->fsf_reqid = fsf_req->req_id;
-	r->fsf_seqno = fsf_req->seq_no;
-	oct->d_id = d_id;
-	oct->cmd_req_code = hdr->ct_cmd;
-	oct->revision = hdr->ct_rev;
-	oct->gs_type = hdr->ct_fs_type;
-	oct->gs_subtype = hdr->ct_fs_subtype;
-	oct->options = hdr->ct_options;
-	oct->max_res_size = hdr->ct_mr_size;
-	oct->len = min((int)ct->req->length - (int)sizeof(struct fc_ct_hdr),
-		       ZFCP_DBF_SAN_MAX_PAYLOAD);
-	debug_event(dbf->san, level, r, sizeof(*r));
-	zfcp_dbf_hexdump(dbf->san, r, sizeof(*r), level,
-			 (void *)hdr + sizeof(struct fc_ct_hdr), oct->len);
-	spin_unlock_irqrestore(&dbf->san_lock, flags);
-}
-
-/**
- * zfcp_dbf_san_ct_response - trace event for completion of CT request
- * @fsf_req: request containing CT response
- */
-void zfcp_dbf_san_ct_response(struct zfcp_fsf_req *fsf_req)
+static inline
+void zfcp_dbf_san(char *tag, struct zfcp_dbf *dbf, void *data, u8 id, u16 len,
+		  u64 req_id, u32 d_id)
 {
-	struct zfcp_fsf_ct_els *ct = (struct zfcp_fsf_ct_els *)fsf_req->data;
-	struct zfcp_adapter *adapter = fsf_req->adapter;
-	struct fc_ct_hdr *hdr = sg_virt(ct->resp);
-	struct zfcp_dbf *dbf = adapter->dbf;
-	struct zfcp_dbf_san_record *r = &dbf->san_buf;
-	struct zfcp_dbf_san_record_ct_response *rct = &r->u.ct_resp;
-	int level = 3;
+	struct zfcp_dbf_san *rec = &dbf->san_buf;
+	u16 rec_len;
 	unsigned long flags;
 
 	spin_lock_irqsave(&dbf->san_lock, flags);
-	memset(r, 0, sizeof(*r));
-	strncpy(r->tag, "rctc", ZFCP_DBF_TAG_SIZE);
-	r->fsf_reqid = fsf_req->req_id;
-	r->fsf_seqno = fsf_req->seq_no;
-	rct->cmd_rsp_code = hdr->ct_cmd;
-	rct->revision = hdr->ct_rev;
-	rct->reason_code = hdr->ct_reason;
-	rct->expl = hdr->ct_explan;
-	rct->vendor_unique = hdr->ct_vendor;
-	rct->max_res_size = hdr->ct_mr_size;
-	rct->len = min((int)ct->resp->length - (int)sizeof(struct fc_ct_hdr),
-		       ZFCP_DBF_SAN_MAX_PAYLOAD);
-	debug_event(dbf->san, level, r, sizeof(*r));
-	zfcp_dbf_hexdump(dbf->san, r, sizeof(*r), level,
-			 (void *)hdr + sizeof(struct fc_ct_hdr), rct->len);
-	spin_unlock_irqrestore(&dbf->san_lock, flags);
-}
+	memset(rec, 0, sizeof(*rec));
 
-static void zfcp_dbf_san_els(const char *tag, int level,
-			     struct zfcp_fsf_req *fsf_req, u32 d_id,
-			     void *buffer, int buflen)
-{
-	struct zfcp_adapter *adapter = fsf_req->adapter;
-	struct zfcp_dbf *dbf = adapter->dbf;
-	struct zfcp_dbf_san_record *rec = &dbf->san_buf;
-	unsigned long flags;
+	rec->id = id;
+	rec->fsf_req_id = req_id;
+	rec->d_id = d_id;
+	rec_len = min(len, (u16)ZFCP_DBF_SAN_MAX_PAYLOAD);
+	memcpy(rec->payload, data, rec_len);
+	memcpy(rec->tag, tag, ZFCP_DBF_TAG_LEN);
 
-	spin_lock_irqsave(&dbf->san_lock, flags);
-	memset(rec, 0, sizeof(*rec));
-	strncpy(rec->tag, tag, ZFCP_DBF_TAG_SIZE);
-	rec->fsf_reqid = fsf_req->req_id;
-	rec->fsf_seqno = fsf_req->seq_no;
-	rec->u.els.d_id = d_id;
-	debug_event(dbf->san, level, rec, sizeof(*rec));
-	zfcp_dbf_hexdump(dbf->san, rec, sizeof(*rec), level,
-			 buffer, min(buflen, ZFCP_DBF_SAN_MAX_PAYLOAD));
+	debug_event(dbf->san, 1, rec, sizeof(*rec));
 	spin_unlock_irqrestore(&dbf->san_lock, flags);
 }
 
 /**
- * zfcp_dbf_san_els_request - trace event for issued ELS
- * @fsf_req: request containing issued ELS
+ * zfcp_dbf_san_req - trace event for issued SAN request
+ * @tag: indentifier for event
+ * @fsf_req: request containing issued CT data
+ * d_id: destination ID
  */
-void zfcp_dbf_san_els_request(struct zfcp_fsf_req *fsf_req)
+void zfcp_dbf_san_req(char *tag, struct zfcp_fsf_req *fsf, u32 d_id)
 {
-	struct zfcp_fsf_ct_els *els = (struct zfcp_fsf_ct_els *)fsf_req->data;
-	u32 d_id = ntoh24(fsf_req->qtcb->bottom.support.d_id);
-
-	zfcp_dbf_san_els("oels", 2, fsf_req, d_id,
-			 sg_virt(els->req), els->req->length);
+	struct zfcp_dbf *dbf = fsf->adapter->dbf;
+	struct zfcp_fsf_ct_els *ct_els = fsf->data;
+	u16 length;
+
+	length = (u16)(ct_els->req->length + FC_CT_HDR_LEN);
+	zfcp_dbf_san(tag, dbf, sg_virt(ct_els->req), ZFCP_DBF_SAN_REQ, length,
+		     fsf->req_id, d_id);
 }
 
 /**
- * zfcp_dbf_san_els_response - trace event for completed ELS
- * @fsf_req: request containing ELS response
+ * zfcp_dbf_san_res - trace event for received SAN request
+ * @tag: indentifier for event
+ * @fsf_req: request containing issued CT data
  */
-void zfcp_dbf_san_els_response(struct zfcp_fsf_req *fsf_req)
+void zfcp_dbf_san_res(char *tag, struct zfcp_fsf_req *fsf)
 {
-	struct zfcp_fsf_ct_els *els = (struct zfcp_fsf_ct_els *)fsf_req->data;
-	u32 d_id = ntoh24(fsf_req->qtcb->bottom.support.d_id);
-
-	zfcp_dbf_san_els("rels", 2, fsf_req, d_id,
-			       sg_virt(els->resp), els->resp->length);
+	struct zfcp_dbf *dbf = fsf->adapter->dbf;
+	struct zfcp_fsf_ct_els *ct_els = fsf->data;
+	u16 length;
+
+	length = (u16)(ct_els->resp->length + FC_CT_HDR_LEN);
+	zfcp_dbf_san(tag, dbf, sg_virt(ct_els->resp), ZFCP_DBF_SAN_RES, length,
+		     fsf->req_id, 0);
 }
 
 /**
- * zfcp_dbf_san_incoming_els - trace event for incomig ELS
- * @fsf_req: request containing unsolicited status buffer with incoming ELS
+ * zfcp_dbf_san_in_els - trace event for incoming ELS
+ * @tag: indentifier for event
+ * @fsf_req: request containing issued CT data
  */
-void zfcp_dbf_san_incoming_els(struct zfcp_fsf_req *fsf_req)
+void zfcp_dbf_san_in_els(char *tag, struct zfcp_fsf_req *fsf)
 {
-	struct fsf_status_read_buffer *buf =
-			(struct fsf_status_read_buffer *)fsf_req->data;
-	int length = (int)buf->length -
-		     (int)((void *)&buf->payload - (void *)buf);
-
-	zfcp_dbf_san_els("iels", 1, fsf_req, ntoh24(buf->d_id),
-			       (void *)buf->payload.data, length);
+	struct zfcp_dbf *dbf = fsf->adapter->dbf;
+	struct fsf_status_read_buffer *srb =
+		(struct fsf_status_read_buffer *) fsf->data;
+	u16 length;
+
+	length = (u16)(srb->length -
+			offsetof(struct fsf_status_read_buffer, payload));
+	zfcp_dbf_san(tag, dbf, srb->payload.data, ZFCP_DBF_SAN_ELS, length,
+		     fsf->req_id, ntoh24(srb->d_id));
 }
 
-static int zfcp_dbf_san_view_format(debug_info_t *id, struct debug_view *view,
-				    char *out_buf, const char *in_buf)
-{
-	struct zfcp_dbf_san_record *r = (struct zfcp_dbf_san_record *)in_buf;
-	char *p = out_buf;
-
-	if (strncmp(r->tag, "dump", ZFCP_DBF_TAG_SIZE) == 0)
-		return 0;
-
-	zfcp_dbf_tag(&p, "tag", r->tag);
-	zfcp_dbf_out(&p, "fsf_reqid", "0x%0Lx", r->fsf_reqid);
-	zfcp_dbf_out(&p, "fsf_seqno", "0x%08x", r->fsf_seqno);
-
-	if (strncmp(r->tag, "octc", ZFCP_DBF_TAG_SIZE) == 0) {
-		struct zfcp_dbf_san_record_ct_request *ct = &r->u.ct_req;
-		zfcp_dbf_out(&p, "d_id", "0x%06x", ct->d_id);
-		zfcp_dbf_out(&p, "cmd_req_code", "0x%04x", ct->cmd_req_code);
-		zfcp_dbf_out(&p, "revision", "0x%02x", ct->revision);
-		zfcp_dbf_out(&p, "gs_type", "0x%02x", ct->gs_type);
-		zfcp_dbf_out(&p, "gs_subtype", "0x%02x", ct->gs_subtype);
-		zfcp_dbf_out(&p, "options", "0x%02x", ct->options);
-		zfcp_dbf_out(&p, "max_res_size", "0x%04x", ct->max_res_size);
-	} else if (strncmp(r->tag, "rctc", ZFCP_DBF_TAG_SIZE) == 0) {
-		struct zfcp_dbf_san_record_ct_response *ct = &r->u.ct_resp;
-		zfcp_dbf_out(&p, "cmd_rsp_code", "0x%04x", ct->cmd_rsp_code);
-		zfcp_dbf_out(&p, "revision", "0x%02x", ct->revision);
-		zfcp_dbf_out(&p, "reason_code", "0x%02x", ct->reason_code);
-		zfcp_dbf_out(&p, "reason_code_expl", "0x%02x", ct->expl);
-		zfcp_dbf_out(&p, "vendor_unique", "0x%02x", ct->vendor_unique);
-		zfcp_dbf_out(&p, "max_res_size", "0x%04x", ct->max_res_size);
-	} else if (strncmp(r->tag, "oels", ZFCP_DBF_TAG_SIZE) == 0 ||
-		   strncmp(r->tag, "rels", ZFCP_DBF_TAG_SIZE) == 0 ||
-		   strncmp(r->tag, "iels", ZFCP_DBF_TAG_SIZE) == 0) {
-		struct zfcp_dbf_san_record_els *els = &r->u.els;
-		zfcp_dbf_out(&p, "d_id", "0x%06x", els->d_id);
-	}
-	return p - out_buf;
-}
-
-static struct debug_view zfcp_dbf_san_view = {
-	.name = "structured",
-	.header_proc = zfcp_dbf_view_header,
-	.format_proc = zfcp_dbf_san_view_format,
-};
-
 void _zfcp_dbf_scsi(const char *tag, const char *tag2, int level,
 		    struct zfcp_dbf *dbf, struct scsi_cmnd *scsi_cmnd,
 		    struct zfcp_fsf_req *fsf_req, unsigned long old_req_id)

@@ -882,8 +778,7 @@ int zfcp_dbf_adapter_register(struct zfc
 
 	/* debug feature area which records SAN command failures and recovery */
 	sprintf(dbf_name, "zfcp_%s_san", dev_name(&adapter->ccw_device->dev));
-	dbf->san = zfcp_dbf_reg(dbf_name, 6, &zfcp_dbf_san_view,
-				sizeof(struct zfcp_dbf_san_record));
+	dbf->san = zfcp_dbf_reg(dbf_name, 3, NULL, sizeof(struct zfcp_dbf_san));
 	if (!dbf->san)
 		goto err_out;
 

86 lines not on this page · raw message

diff -urpN linux-2.6/drivers/s390/scsi/zfcp_ext.h linux-2.6-patched/drivers/s390/scsi/zfcp_ext.h
@@ -55,11 +55,9 @@ extern void _zfcp_dbf_hba_fsf_unsol(cons
 					  struct fsf_status_read_buffer *);
 extern void zfcp_dbf_hba_qdio(struct zfcp_dbf *, unsigned int, int, int);
 extern void zfcp_dbf_hba_berr(struct zfcp_dbf *, struct zfcp_fsf_req *);
-extern void zfcp_dbf_san_ct_request(struct zfcp_fsf_req *, u32);
-extern void zfcp_dbf_san_ct_response(struct zfcp_fsf_req *);
-extern void zfcp_dbf_san_els_request(struct zfcp_fsf_req *);
-extern void zfcp_dbf_san_els_response(struct zfcp_fsf_req *);
-extern void zfcp_dbf_san_incoming_els(struct zfcp_fsf_req *);
+extern void zfcp_dbf_san_req(char *, struct zfcp_fsf_req *, u32);
+extern void zfcp_dbf_san_res(char *, struct zfcp_fsf_req *);
+extern void zfcp_dbf_san_in_els(char *, struct zfcp_fsf_req *);
 extern void _zfcp_dbf_scsi(const char *, const char *, int, struct zfcp_dbf *,
 			   struct scsi_cmnd *, struct zfcp_fsf_req *,
 			   unsigned long);

diff -urpN linux-2.6/drivers/s390/scsi/zfcp_fc.c linux-2.6-patched/drivers/s390/scsi/zfcp_fc.c
@@ -251,7 +251,7 @@ void zfcp_fc_incoming_els(struct zfcp_fs
 		(struct fsf_status_read_buffer *) fsf_req->data;
 	unsigned int els_type = status_buffer->payload.data[0];
 
-	zfcp_dbf_san_incoming_els(fsf_req);
+	zfcp_dbf_san_in_els("fciels1", fsf_req);
 	if (els_type == ELS_PLOGI)
 		zfcp_fc_incoming_plogi(fsf_req);
 	else if (els_type == ELS_LOGO)

diff -urpN linux-2.6/drivers/s390/scsi/zfcp_fsf.c linux-2.6-patched/drivers/s390/scsi/zfcp_fsf.c
@@ -882,7 +882,7 @@ static void zfcp_fsf_send_ct_handler(str
 
 	switch (header->fsf_status) {
         case FSF_GOOD:
-		zfcp_dbf_san_ct_response(req);
+		zfcp_dbf_san_res("fsscth1", req);
 		ct->status = 0;
 		break;
         case FSF_SERVICE_CLASS_NOT_SUPPORTED:

@@ -1025,7 +1025,7 @@ int zfcp_fsf_send_ct(struct zfcp_fc_wka_
 	req->qtcb->header.port_handle = wka_port->handle;
 	req->data = ct;
 
-	zfcp_dbf_san_ct_request(req, wka_port->d_id);
+	zfcp_dbf_san_req("fssct_1", req, wka_port->d_id);
 
 	ret = zfcp_fsf_req_send(req);
 	if (ret)

@@ -1053,7 +1053,7 @@ static void zfcp_fsf_send_els_handler(st
 
 	switch (header->fsf_status) {
 	case FSF_GOOD:
-		zfcp_dbf_san_els_response(req);
+		zfcp_dbf_san_res("fsselh1", req);
 		send_els->status = 0;
 		break;
 	case FSF_SERVICE_CLASS_NOT_SUPPORTED:

@@ -1127,7 +1127,7 @@ int zfcp_fsf_send_els(struct zfcp_adapte
 	req->handler = zfcp_fsf_send_els_handler;
 	req->data = els;
 
-	zfcp_dbf_san_els_request(req);
+	zfcp_dbf_san_req("fssels1", req, d_id);
 
 	ret = zfcp_fsf_req_send(req);
 	if (ret)

@@ -22,22 +22,34 @@ module_param(dbfsize, uint, 0400);
 MODULE_PARM_DESC(dbfsize,
 		 "number of pages for each debug feature area (default 4)");
 
-static void zfcp_dbf_hexdump(debug_info_t *dbf, void *to, int to_len,
-			     int level, char *from, int from_len)
+static inline unsigned int zfcp_dbf_plen(unsigned int offset)
 {
-	int offset;
-	struct zfcp_dbf_dump *dump = to;
-	int room = to_len - sizeof(*dump);
-
-	for (offset = 0; offset < from_len; offset += dump->size) {
-		memset(to, 0, to_len);
-		strncpy(dump->tag, "dump", ZFCP_DBF_TAG_SIZE);
-		dump->total_size = from_len;
-		dump->offset = offset;
-		dump->size = min(from_len - offset, room);
-		memcpy(dump->data, from + offset, dump->size);
-		debug_event(dbf, level, dump, dump->size + sizeof(*dump));
+	return sizeof(struct zfcp_dbf_pay) + offset - ZFCP_DBF_PAY_MAX_REC;
+}
+
+static inline
+void zfcp_dbf_pl_write(struct zfcp_dbf *dbf, void *data, u16 length, char *area,
+		       u64 req_id)
+{
+	struct zfcp_dbf_pay *pl = &dbf->pay_buf;
+	u16 offset = 0, rec_length;
+
+	spin_lock(&dbf->pay_lock);
+	memset(pl, 0, sizeof(*pl));
+	pl->fsf_req_id = req_id;
+	memcpy(pl->area, area, ZFCP_DBF_TAG_LEN);
+
+	while (offset < length) {
+		rec_length = min((u16) ZFCP_DBF_PAY_MAX_REC,
+				 (u16) (length - offset));
+		memcpy(pl->data, data + offset, rec_length);
+		debug_event(dbf->pay, 1, pl, zfcp_dbf_plen(rec_length));
+
+		offset += rec_length;
+		pl->counter++;
 	}
+
+	spin_unlock(&dbf->pay_lock);
 }
 
 static void zfcp_dbf_tag(char **p, const char *label, const char *tag)

@@ -104,336 +116,117 @@ static int zfcp_dbf_view_header(debug_in
 	return p - out_buf;
 }
 
-void _zfcp_dbf_hba_fsf_response(const char *tag2, int level,
-				struct zfcp_fsf_req *fsf_req,
-				struct zfcp_dbf *dbf)
-{
-	struct fsf_qtcb *qtcb = fsf_req->qtcb;
-	union fsf_prot_status_qual *prot_status_qual =
-					&qtcb->prefix.prot_status_qual;
-	union fsf_status_qual *fsf_status_qual = &qtcb->header.fsf_status_qual;
-	struct scsi_cmnd *scsi_cmnd;
-	struct zfcp_port *port;
-	struct zfcp_unit *unit;
-	struct zfcp_send_els *send_els;
-	struct zfcp_dbf_hba_record *rec = &dbf->hba_buf;
-	struct zfcp_dbf_hba_record_response *response = &rec->u.response;
-	unsigned long flags;
-
-	spin_lock_irqsave(&dbf->hba_lock, flags);
-	memset(rec, 0, sizeof(*rec));
-	strncpy(rec->tag, "resp", ZFCP_DBF_TAG_SIZE);
-	strncpy(rec->tag2, tag2, ZFCP_DBF_TAG_SIZE);
-
-	response->fsf_command = fsf_req->fsf_command;
-	response->fsf_reqid = fsf_req->req_id;
-	response->fsf_seqno = fsf_req->seq_no;
-	response->fsf_issued = fsf_req->issued;
-	response->fsf_prot_status = qtcb->prefix.prot_status;
-	response->fsf_status = qtcb->header.fsf_status;
-	memcpy(response->fsf_prot_status_qual,
-	       prot_status_qual, FSF_PROT_STATUS_QUAL_SIZE);
-	memcpy(response->fsf_status_qual,
-	       fsf_status_qual, FSF_STATUS_QUALIFIER_SIZE);
-	response->fsf_req_status = fsf_req->status;
-	response->sbal_first = fsf_req->qdio_req.sbal_first;
-	response->sbal_last = fsf_req->qdio_req.sbal_last;
-	response->sbal_response = fsf_req->qdio_req.sbal_response;
-	response->pool = fsf_req->pool != NULL;
-	response->erp_action = (unsigned long)fsf_req->erp_action;
-
-	switch (fsf_req->fsf_command) {
-	case FSF_QTCB_FCP_CMND:
-		if (fsf_req->status & ZFCP_STATUS_FSFREQ_TASK_MANAGEMENT)
-			break;
-		scsi_cmnd = (struct scsi_cmnd *)fsf_req->data;
-		if (scsi_cmnd) {
-			response->u.fcp.cmnd = (unsigned long)scsi_cmnd;
-			response->u.fcp.data_dir =
-				qtcb->bottom.io.data_direction;
-		}
-		break;
-
-	case FSF_QTCB_OPEN_PORT_WITH_DID:
-	case FSF_QTCB_CLOSE_PORT:
-	case FSF_QTCB_CLOSE_PHYSICAL_PORT:
-		port = (struct zfcp_port *)fsf_req->data;
-		response->u.port.wwpn = port->wwpn;
-		response->u.port.d_id = port->d_id;
-		response->u.port.port_handle = qtcb->header.port_handle;
-		break;
-
-	case FSF_QTCB_OPEN_LUN:
-	case FSF_QTCB_CLOSE_LUN:
-		unit = (struct zfcp_unit *)fsf_req->data;
-		port = unit->port;
-		response->u.unit.wwpn = port->wwpn;
-		response->u.unit.fcp_lun = unit->fcp_lun;
-		response->u.unit.port_handle = qtcb->header.port_handle;
-		response->u.unit.lun_handle = qtcb->header.lun_handle;
-		break;
-
-	case FSF_QTCB_SEND_ELS:
-		send_els = (struct zfcp_send_els *)fsf_req->data;
-		response->u.els.d_id = ntoh24(qtcb->bottom.support.d_id);
-		break;
-
-	case FSF_QTCB_ABORT_FCP_CMND:
-	case FSF_QTCB_SEND_GENERIC:
-	case FSF_QTCB_EXCHANGE_CONFIG_DATA:
-	case FSF_QTCB_EXCHANGE_PORT_DATA:
-	case FSF_QTCB_DOWNLOAD_CONTROL_FILE:
-	case FSF_QTCB_UPLOAD_CONTROL_FILE:
-		break;
-	}
-
-	debug_event(dbf->hba, level, rec, sizeof(*rec));
-
-	/* have fcp channel microcode fixed to use as little as possible */
-	if (fsf_req->fsf_command != FSF_QTCB_FCP_CMND) {
-		/* adjust length skipping trailing zeros */
-		char *buf = (char *)qtcb + qtcb->header.log_start;
-		int len = qtcb->header.log_length;
-		for (; len && !buf[len - 1]; len--);
-		zfcp_dbf_hexdump(dbf->hba, rec, sizeof(*rec), level, buf,
-				 len);
-	}
-
-	spin_unlock_irqrestore(&dbf->hba_lock, flags);
-}
-
-void _zfcp_dbf_hba_fsf_unsol(const char *tag, int level, struct zfcp_dbf *dbf,
-			     struct fsf_status_read_buffer *status_buffer)
+/**
+ * zfcp_dbf_hba_fsf_res - trace event for fsf responses
+ * @tag: tag indicating which kind of unsolicited status has been received
+ * @req: request for which a response was received
+ */
+void zfcp_dbf_hba_fsf_res(char *tag, struct zfcp_fsf_req *req)
 {
-	struct zfcp_dbf_hba_record *rec = &dbf->hba_buf;
+	struct zfcp_dbf *dbf = req->adapter->dbf;
+	struct fsf_qtcb_prefix *q_pref = &req->qtcb->prefix;
+	struct fsf_qtcb_header *q_head = &req->qtcb->header;
+	struct zfcp_dbf_hba *rec = &dbf->hba_buf;
 	unsigned long flags;
 
 	spin_lock_irqsave(&dbf->hba_lock, flags);
 	memset(rec, 0, sizeof(*rec));
-	strncpy(rec->tag, "stat", ZFCP_DBF_TAG_SIZE);
-	strncpy(rec->tag2, tag, ZFCP_DBF_TAG_SIZE);
-
-	rec->u.status.failed = atomic_read(&dbf->adapter->stat_miss);
-	if (status_buffer != NULL) {
-		rec->u.status.status_type = status_buffer->status_type;
-		rec->u.status.status_subtype = status_buffer->status_subtype;
-		memcpy(&rec->u.status.queue_designator,
-		       &status_buffer->queue_designator,
-		       sizeof(struct fsf_queue_designator));
-
-		switch (status_buffer->status_type) {
-		case FSF_STATUS_READ_SENSE_DATA_AVAIL:
-			rec->u.status.payload_size =
-			    ZFCP_DBF_UNSOL_PAYLOAD_SENSE_DATA_AVAIL;
-			break;
 
-		case FSF_STATUS_READ_BIT_ERROR_THRESHOLD:
-			rec->u.status.payload_size =
-			    ZFCP_DBF_UNSOL_PAYLOAD_BIT_ERROR_THRESHOLD;
-			break;
-
-		case FSF_STATUS_READ_LINK_DOWN:
-			switch (status_buffer->status_subtype) {
-			case FSF_STATUS_READ_SUB_NO_PHYSICAL_LINK:
-			case FSF_STATUS_READ_SUB_FDISC_FAILED:
-				rec->u.status.payload_size =
-					sizeof(struct fsf_link_down_info);
-			}
-			break;
-
-		case FSF_STATUS_READ_FEATURE_UPDATE_ALERT:
-			rec->u.status.payload_size =
-			    ZFCP_DBF_UNSOL_PAYLOAD_FEATURE_UPDATE_ALERT;
-			break;
-		}
-		memcpy(&rec->u.status.payload,
-		       &status_buffer->payload, rec->u.status.payload_size);
+	memcpy(rec->tag, tag, ZFCP_DBF_TAG_LEN);
+	rec->id = ZFCP_DBF_HBA_RES;
+	rec->fsf_req_id = req->req_id;
+	rec->fsf_req_status = req->status;
+	rec->fsf_cmd = req->fsf_command;
+	rec->fsf_seq_no = req->seq_no;
+	rec->u.res.req_issued = req->issued;
+	rec->u.res.prot_status = q_pref->prot_status;
+	rec->u.res.fsf_status = q_head->fsf_status;
+
+	memcpy(rec->u.res.prot_status_qual, &q_pref->prot_status_qual,
+	       FSF_PROT_STATUS_QUAL_SIZE);
+	memcpy(rec->u.res.fsf_status_qual, &q_head->fsf_status_qual,
+	       FSF_STATUS_QUALIFIER_SIZE);
+
+	if (req->fsf_command != FSF_QTCB_FCP_CMND) {
+		rec->pl_len = q_head->log_length;
+		zfcp_dbf_pl_write(dbf, (char *)q_pref + q_head->log_start,
+				  rec->pl_len, "fsf_res", req->req_id);
 	}
 
-	debug_event(dbf->hba, level, rec, sizeof(*rec));
+	debug_event(dbf->hba, 1, rec, sizeof(*rec));
 	spin_unlock_irqrestore(&dbf->hba_lock, flags);
 }
 
 /**
- * zfcp_dbf_hba_qdio - trace event for QDIO related failure
- * @qdio: qdio structure affected by this QDIO related event
- * @qdio_error: as passed by qdio module
- * @sbal_index: first buffer with error condition, as passed by qdio module
- * @sbal_count: number of buffers affected, as passed by qdio module
+ * zfcp_dbf_hba_fsf_uss - trace event for an unsolicited status buffer
+ * @tag: tag indicating which kind of unsolicited status has been received
+ * @req: request providing the unsolicited status
  */
-void zfcp_dbf_hba_qdio(struct zfcp_dbf *dbf, unsigned int qdio_error,
-		       int sbal_index, int sbal_count)
+void zfcp_dbf_hba_fsf_uss(char *tag, struct zfcp_fsf_req *req)
 {
-	struct zfcp_dbf_hba_record *r = &dbf->hba_buf;
+	struct zfcp_dbf *dbf = req->adapter->dbf;
+	struct fsf_status_read_buffer *srb = req->data;
+	struct zfcp_dbf_hba *rec = &dbf->hba_buf;
 	unsigned long flags;
 
 	spin_lock_irqsave(&dbf->hba_lock, flags);
-	memset(r, 0, sizeof(*r));
-	strncpy(r->tag, "qdio", ZFCP_DBF_TAG_SIZE);
-	r->u.qdio.qdio_error = qdio_error;
-	r->u.qdio.sbal_index = sbal_index;
-	r->u.qdio.sbal_count = sbal_count;
-	debug_event(dbf->hba, 0, r, sizeof(*r));
+	memset(rec, 0, sizeof(*rec));
+
+	memcpy(rec->tag, tag, ZFCP_DBF_TAG_LEN);
+	rec->id = ZFCP_DBF_HBA_USS;
+	rec->fsf_req_id = req->req_id;
+	rec->fsf_req_status = req->status;
+	rec->fsf_cmd = req->fsf_command;
+
+	if (!srb)
+		goto log;
+
+	rec->u.uss.status_type = srb->status_type;
+	rec->u.uss.status_subtype = srb->status_subtype;
+	rec->u.uss.d_id = ntoh24(srb->d_id);
+	rec->u.uss.lun = srb->fcp_lun;
+	memcpy(&rec->u.uss.queue_designator, &srb->queue_designator,
+	       sizeof(rec->u.uss.queue_designator));
+
+	/* status read buffer payload length */
+	rec->pl_len = (!srb->length) ? 0 : srb->length -
+			offsetof(struct fsf_status_read_buffer, payload);
+
+	if (rec->pl_len)
+		zfcp_dbf_pl_write(dbf, srb->payload.data, rec->pl_len,
+				  "fsf_uss", req->req_id);
+log:
+	debug_event(dbf->hba, 2, rec, sizeof(*rec));
 	spin_unlock_irqrestore(&dbf->hba_lock, flags);
 }
 
 /**
- * zfcp_dbf_hba_berr - trace event for bit error threshold
- * @dbf: dbf structure affected by this QDIO related event
- * @req: fsf request
+ * zfcp_dbf_hba_bit_err - trace event for bit error conditions
+ * @tag: tag indicating which kind of unsolicited status has been received
+ * @req: request which caused the bit_error condition
  */
-void zfcp_dbf_hba_berr(struct zfcp_dbf *dbf, struct zfcp_fsf_req *req)
+void zfcp_dbf_hba_bit_err(char *tag, struct zfcp_fsf_req *req)
 {
-	struct zfcp_dbf_hba_record *r = &dbf->hba_buf;
+	struct zfcp_dbf *dbf = req->adapter->dbf;
+	struct zfcp_dbf_hba *rec = &dbf->hba_buf;
 	struct fsf_status_read_buffer *sr_buf = req->data;
-	struct fsf_bit_error_payload *err = &sr_buf->payload.bit_error;
 	unsigned long flags;
 
 	spin_lock_irqsave(&dbf->hba_lock, flags);
-	memset(r, 0, sizeof(*r));
-	strncpy(r->tag, "berr", ZFCP_DBF_TAG_SIZE);
-	memcpy(&r->u.berr, err, sizeof(struct fsf_bit_error_payload));
-	debug_event(dbf->hba, 0, r, sizeof(*r));
-	spin_unlock_irqrestore(&dbf->hba_lock, flags);
-}
-static void zfcp_dbf_hba_view_response(char **p,
-				       struct zfcp_dbf_hba_record_response *r)
-{
-	struct timespec t;
-
-	zfcp_dbf_out(p, "fsf_command", "0x%08x", r->fsf_command);
-	zfcp_dbf_out(p, "fsf_reqid", "0x%0Lx", r->fsf_reqid);
-	zfcp_dbf_out(p, "fsf_seqno", "0x%08x", r->fsf_seqno);
-	stck_to_timespec(r->fsf_issued, &t);
-	zfcp_dbf_out(p, "fsf_issued", "%011lu:%06lu", t.tv_sec, t.tv_nsec);
-	zfcp_dbf_out(p, "fsf_prot_status", "0x%08x", r->fsf_prot_status);
-	zfcp_dbf_out(p, "fsf_status", "0x%08x", r->fsf_status);
-	zfcp_dbf_outd(p, "fsf_prot_status_qual", r->fsf_prot_status_qual,
-		      FSF_PROT_STATUS_QUAL_SIZE, 0, FSF_PROT_STATUS_QUAL_SIZE);
-	zfcp_dbf_outd(p, "fsf_status_qual", r->fsf_status_qual,
-		      FSF_STATUS_QUALIFIER_SIZE, 0, FSF_STATUS_QUALIFIER_SIZE);
-	zfcp_dbf_out(p, "fsf_req_status", "0x%08x", r->fsf_req_status);
-	zfcp_dbf_out(p, "sbal_first", "0x%02x", r->sbal_first);
-	zfcp_dbf_out(p, "sbal_last", "0x%02x", r->sbal_last);
-	zfcp_dbf_out(p, "sbal_response", "0x%02x", r->sbal_response);
-	zfcp_dbf_out(p, "pool", "0x%02x", r->pool);
-
-	switch (r->fsf_command) {
-	case FSF_QTCB_FCP_CMND:
-		if (r->fsf_req_status & ZFCP_STATUS_FSFREQ_TASK_MANAGEMENT)
-			break;
-		zfcp_dbf_out(p, "data_direction", "0x%04x", r->u.fcp.data_dir);
-		zfcp_dbf_out(p, "scsi_cmnd", "0x%0Lx", r->u.fcp.cmnd);
-		*p += sprintf(*p, "\n");
-		break;
-
-	case FSF_QTCB_OPEN_PORT_WITH_DID:
-	case FSF_QTCB_CLOSE_PORT:
-	case FSF_QTCB_CLOSE_PHYSICAL_PORT:
-		zfcp_dbf_out(p, "wwpn", "0x%016Lx", r->u.port.wwpn);
-		zfcp_dbf_out(p, "d_id", "0x%06x", r->u.port.d_id);
-		zfcp_dbf_out(p, "port_handle", "0x%08x", r->u.port.port_handle);
-		break;
-
-	case FSF_QTCB_OPEN_LUN:
-	case FSF_QTCB_CLOSE_LUN:
-		zfcp_dbf_out(p, "wwpn", "0x%016Lx", r->u.unit.wwpn);
-		zfcp_dbf_out(p, "fcp_lun", "0x%016Lx", r->u.unit.fcp_lun);
-		zfcp_dbf_out(p, "port_handle", "0x%08x", r->u.unit.port_handle);
-		zfcp_dbf_out(p, "lun_handle", "0x%08x", r->u.unit.lun_handle);
-		break;
-
-	case FSF_QTCB_SEND_ELS:
-		zfcp_dbf_out(p, "d_id", "0x%06x", r->u.els.d_id);
-		break;
-
-	case FSF_QTCB_ABORT_FCP_CMND:
-	case FSF_QTCB_SEND_GENERIC:
-	case FSF_QTCB_EXCHANGE_CONFIG_DATA:
-	case FSF_QTCB_EXCHANGE_PORT_DATA:
-	case FSF_QTCB_DOWNLOAD_CONTROL_FILE:
-	case FSF_QTCB_UPLOAD_CONTROL_FILE:
-		break;
-	}
-}
-
-static void zfcp_dbf_hba_view_status(char **p,
-				     struct zfcp_dbf_hba_record_status *r)
-{
-	zfcp_dbf_out(p, "failed", "0x%02x", r->failed);
-	zfcp_dbf_out(p, "status_type", "0x%08x", r->status_type);
-	zfcp_dbf_out(p, "status_subtype", "0x%08x", r->status_subtype);
-	zfcp_dbf_outd(p, "queue_designator", (char *)&r->queue_designator,
-		      sizeof(struct fsf_queue_designator), 0,
-		      sizeof(struct fsf_queue_designator));
-	zfcp_dbf_outd(p, "payload", (char *)&r->payload, r->payload_size, 0,
-		      r->payload_size);
-}
-
-static void zfcp_dbf_hba_view_qdio(char **p, struct zfcp_dbf_hba_record_qdio *r)
-{
-	zfcp_dbf_out(p, "qdio_error", "0x%08x", r->qdio_error);
-	zfcp_dbf_out(p, "sbal_index", "0x%02x", r->sbal_index);
-	zfcp_dbf_out(p, "sbal_count", "0x%02x", r->sbal_count);
-}
-
-static void zfcp_dbf_hba_view_berr(char **p, struct fsf_bit_error_payload *r)
-{
-	zfcp_dbf_out(p, "link_failures", "%d", r->link_failure_error_count);
-	zfcp_dbf_out(p, "loss_of_sync_err", "%d", r->loss_of_sync_error_count);
-	zfcp_dbf_out(p, "loss_of_sig_err", "%d", r->loss_of_signal_error_count);
-	zfcp_dbf_out(p, "prim_seq_err", "%d",
-		     r->primitive_sequence_error_count);
-	zfcp_dbf_out(p, "inval_trans_word_err", "%d",
-		     r->invalid_transmission_word_error_count);
-	zfcp_dbf_out(p, "CRC_errors", "%d", r->crc_error_count);
-	zfcp_dbf_out(p, "prim_seq_event_to", "%d",
-		     r->primitive_sequence_event_timeout_count);
-	zfcp_dbf_out(p, "elast_buf_overrun_err", "%d",
-		     r->elastic_buffer_overrun_error_count);
-	zfcp_dbf_out(p, "adv_rec_buf2buf_cred", "%d",
-		     r->advertised_receive_b2b_credit);
-	zfcp_dbf_out(p, "curr_rec_buf2buf_cred", "%d",
-		     r->current_receive_b2b_credit);
-	zfcp_dbf_out(p, "adv_trans_buf2buf_cred", "%d",
-		     r->advertised_transmit_b2b_credit);
-	zfcp_dbf_out(p, "curr_trans_buf2buf_cred", "%d",
-		     r->current_transmit_b2b_credit);
-}
-
-static int zfcp_dbf_hba_view_format(debug_info_t *id, struct debug_view *view,
-				    char *out_buf, const char *in_buf)
-{
-	struct zfcp_dbf_hba_record *r = (struct zfcp_dbf_hba_record *)in_buf;
-	char *p = out_buf;
-
-	if (strncmp(r->tag, "dump", ZFCP_DBF_TAG_SIZE) == 0)
-		return 0;
-
-	zfcp_dbf_tag(&p, "tag", r->tag);
-	if (isalpha(r->tag2[0]))
-		zfcp_dbf_tag(&p, "tag2", r->tag2);
+	memset(rec, 0, sizeof(*rec));
 
-	if (strncmp(r->tag, "resp", ZFCP_DBF_TAG_SIZE) == 0)
-		zfcp_dbf_hba_view_response(&p, &r->u.response);
-	else if (strncmp(r->tag, "stat", ZFCP_DBF_TAG_SIZE) == 0)
-		zfcp_dbf_hba_view_status(&p, &r->u.status);
-	else if (strncmp(r->tag, "qdio", ZFCP_DBF_TAG_SIZE) == 0)
-		zfcp_dbf_hba_view_qdio(&p, &r->u.qdio);
-	else if (strncmp(r->tag, "berr", ZFCP_DBF_TAG_SIZE) == 0)
-		zfcp_dbf_hba_view_berr(&p, &r->u.berr);
+	memcpy(rec->tag, tag, ZFCP_DBF_TAG_LEN);
+	rec->id = ZFCP_DBF_HBA_BIT;
+	rec->fsf_req_id = req->req_id;
+	rec->fsf_req_status = req->status;
+	rec->fsf_cmd = req->fsf_command;
+	memcpy(&rec->u.be, &sr_buf->payload.bit_error,
+	       sizeof(struct fsf_bit_error_payload));
 
-	if (strncmp(r->tag, "resp", ZFCP_DBF_TAG_SIZE) != 0)
-		p += sprintf(p, "\n");
-	return p - out_buf;
+	debug_event(dbf->hba, 1, rec, sizeof(*rec));
+	spin_unlock_irqrestore(&dbf->hba_lock, flags);
 }
 
-static struct debug_view zfcp_dbf_hba_view = {
-	.name = "structured",
-	.header_proc = zfcp_dbf_view_header,
-	.format_proc = zfcp_dbf_hba_view_format,
-};
-
 static void zfcp_dbf_set_common(struct zfcp_dbf_rec *rec,
 				struct zfcp_adapter *adapter,
 				struct zfcp_port *port,

@@ -758,6 +551,7 @@ int zfcp_dbf_adapter_register(struct zfc
 
 	dbf->adapter = adapter;
 
+	spin_lock_init(&dbf->pay_lock);
 	spin_lock_init(&dbf->hba_lock);
 	spin_lock_init(&dbf->san_lock);
 	spin_lock_init(&dbf->scsi_lock);

@@ -771,11 +565,17 @@ int zfcp_dbf_adapter_register(struct zfc
 
 	/* debug feature area which records HBA (FSF and QDIO) conditions */
 	sprintf(dbf_name, "zfcp_%s_hba", dev_name(&adapter->ccw_device->dev));
-	dbf->hba = zfcp_dbf_reg(dbf_name, 3, &zfcp_dbf_hba_view,
-				sizeof(struct zfcp_dbf_hba_record));
+	dbf->hba = zfcp_dbf_reg(dbf_name, 3, NULL, sizeof(struct zfcp_dbf_hba));
 	if (!dbf->hba)
 		goto err_out;
 
+	/* debug feature area which records payload info */
+	sprintf(dbf_name, "zfcp_%s_pay", dev_name(&adapter->ccw_device->dev));
+	dbf->pay = zfcp_dbf_reg(dbf_name, 3, NULL,
+				sizeof(struct zfcp_dbf_pay));
+	if (!dbf->pay)
+		goto err_out;
+
 	/* debug feature area which records SAN command failures and recovery */
 	sprintf(dbf_name, "zfcp_%s_san", dev_name(&adapter->ccw_device->dev));
 	dbf->san = zfcp_dbf_reg(dbf_name, 3, NULL, sizeof(struct zfcp_dbf_san));

@@ -808,6 +608,7 @@ void zfcp_dbf_adapter_unregister(struct
 	debug_unregister(dbf->scsi);
 	debug_unregister(dbf->san);
 	debug_unregister(dbf->hba);
+	debug_unregister(dbf->pay);
 	debug_unregister(dbf->rec);
 	dbf->adapter->dbf = NULL;
 	kfree(dbf);

259 lines not on this page · raw message

@@ -49,11 +49,9 @@ extern void zfcp_dbf_adapter_unregister(
 extern void zfcp_dbf_rec_trig(char *, struct zfcp_adapter *,
 			      struct zfcp_port *, struct scsi_device *, u8, u8);
 extern void zfcp_dbf_rec_run(char *, struct zfcp_erp_action *);
-extern void _zfcp_dbf_hba_fsf_response(const char *, int, struct zfcp_fsf_req *,
-				       struct zfcp_dbf *);
-extern void _zfcp_dbf_hba_fsf_unsol(const char *, int level, struct zfcp_dbf *,
-					  struct fsf_status_read_buffer *);
-extern void zfcp_dbf_hba_qdio(struct zfcp_dbf *, unsigned int, int, int);
+extern void zfcp_dbf_hba_fsf_uss(char *, struct zfcp_fsf_req *);
+extern void zfcp_dbf_hba_fsf_res(char *, struct zfcp_fsf_req *);
+extern void zfcp_dbf_hba_bit_err(char *, struct zfcp_fsf_req *);
 extern void zfcp_dbf_hba_berr(struct zfcp_dbf *, struct zfcp_fsf_req *);
 extern void zfcp_dbf_san_req(char *, struct zfcp_fsf_req *, u32);
 extern void zfcp_dbf_san_res(char *, struct zfcp_fsf_req *);

@@ -141,6 +139,8 @@ extern int zfcp_qdio_sbals_from_sg(struc
 extern int zfcp_qdio_open(struct zfcp_qdio *);
 extern void zfcp_qdio_close(struct zfcp_qdio *);
 extern void zfcp_qdio_siosl(struct zfcp_adapter *);
+extern struct zfcp_fsf_req *zfcp_fsf_get_req(struct zfcp_qdio *,
+					     struct qdio_buffer *);
 
 /* zfcp_scsi.c */
 extern struct zfcp_data zfcp_data;

@@ -211,13 +211,13 @@ static void zfcp_fsf_status_read_handler
 	struct fsf_status_read_buffer *sr_buf = req->data;
 
 	if (req->status & ZFCP_STATUS_FSFREQ_DISMISSED) {
-		zfcp_dbf_hba_fsf_unsol("dism", adapter->dbf, sr_buf);
+		zfcp_dbf_hba_fsf_uss("fssrh_1", req);
 		mempool_free(sr_buf, adapter->pool.status_read_data);
 		zfcp_fsf_req_free(req);
 		return;
 	}
 
-	zfcp_dbf_hba_fsf_unsol("read", adapter->dbf, sr_buf);
+	zfcp_dbf_hba_fsf_uss("fssrh_2", req);
 
 	switch (sr_buf->status_type) {
 	case FSF_STATUS_READ_PORT_CLOSED:

@@ -232,7 +232,7 @@ static void zfcp_fsf_status_read_handler
 		dev_warn(&adapter->ccw_device->dev,
 			 "The error threshold for checksum statistics "
 			 "has been exceeded\n");
-		zfcp_dbf_hba_berr(adapter->dbf, req);
+		zfcp_dbf_hba_bit_err("fssrh_3", req);
 		break;
 	case FSF_STATUS_READ_LINK_DOWN:
 		zfcp_fsf_status_read_link_down(req);

@@ -754,10 +754,11 @@ int zfcp_fsf_status_read(struct zfcp_qdi
 	goto out;
 
 failed_req_send:
+	req->data = NULL;
 	mempool_free(sr_buf, adapter->pool.status_read_data);
 failed_buf:
+	zfcp_dbf_hba_fsf_uss("fssr__1", req);
 	zfcp_fsf_req_free(req);
-	zfcp_dbf_hba_fsf_unsol("fail", adapter->dbf, NULL);
 out:
 	spin_unlock_irq(&qdio->req_q_lock);
 	return retval;

@@ -2420,3 +2421,12 @@ void zfcp_fsf_reqid_check(struct zfcp_qd
 			break;
 	}
 }
+
+struct zfcp_fsf_req *zfcp_fsf_get_req(struct zfcp_qdio *qdio,
+				      struct qdio_buffer *sbal)
+{
+	struct qdio_buffer_element *sbale = &sbal->element[0];
+	u64 req_id = (unsigned long) sbale->addr;
+
+	return zfcp_reqlist_find(qdio->adapter->req_list, req_id);
+}

@@ -74,7 +74,6 @@ static void zfcp_qdio_int_req(struct ccw
 	struct zfcp_qdio *qdio = (struct zfcp_qdio *) parm;
 
 	if (unlikely(qdio_err)) {
-		zfcp_dbf_hba_qdio(qdio->adapter->dbf, qdio_err, idx, count);
 		zfcp_qdio_handler_error(qdio, "qdireq1", qdio_err);
 		return;
 	}

@@ -97,7 +96,6 @@ static void zfcp_qdio_int_resp(struct cc
 	int sbal_idx, sbal_no;
 
 	if (unlikely(qdio_err)) {
-		zfcp_dbf_hba_qdio(qdio->adapter->dbf, qdio_err, idx, count);
 		zfcp_qdio_handler_error(qdio, "qdires1", qdio_err);
 		return;
 	}

@@ -3,7 +3,7 @@
  *
  * Debug traces for zfcp.
  *
- * Copyright IBM Corporation 2002, 2009
+ * Copyright IBM Corporation 2002, 2010
  */
 
 #define KMSG_COMPONENT "zfcp"

@@ -52,70 +52,6 @@ void zfcp_dbf_pl_write(struct zfcp_dbf *
 	spin_unlock(&dbf->pay_lock);
 }
 
-static void zfcp_dbf_tag(char **p, const char *label, const char *tag)
-{
-	int i;
-
-	*p += sprintf(*p, "%-24s", label);
-	for (i = 0; i < ZFCP_DBF_TAG_SIZE; i++)
-		*p += sprintf(*p, "%c", tag[i]);
-	*p += sprintf(*p, "\n");
-}
-
-static void zfcp_dbf_out(char **buf, const char *s, const char *format, ...)
-{
-	va_list arg;
-
-	*buf += sprintf(*buf, "%-24s", s);
-	va_start(arg, format);
-	*buf += vsprintf(*buf, format, arg);
-	va_end(arg);
-	*buf += sprintf(*buf, "\n");
-}
-
-static void zfcp_dbf_outd(char **p, const char *label, char *buffer,
-			  int buflen, int offset, int total_size)
-{
-	if (!offset)
-		*p += sprintf(*p, "%-24s  ", label);
-	while (buflen--) {
-		if (offset > 0) {
-			if ((offset % 32) == 0)
-				*p += sprintf(*p, "\n%-24c  ", ' ');
-			else if ((offset % 4) == 0)
-				*p += sprintf(*p, " ");
-		}
-		*p += sprintf(*p, "%02x", *buffer++);
-		if (++offset == total_size) {
-			*p += sprintf(*p, "\n");
-			break;
-		}
-	}
-	if (!total_size)
-		*p += sprintf(*p, "\n");
-}
-
-static int zfcp_dbf_view_header(debug_info_t *id, struct debug_view *view,
-				int area, debug_entry_t *entry, char *out_buf)
-{
-	struct zfcp_dbf_dump *dump = (struct zfcp_dbf_dump *)DEBUG_DATA(entry);
-	struct timespec t;
-	char *p = out_buf;
-
-	if (strncmp(dump->tag, "dump", ZFCP_DBF_TAG_SIZE) != 0) {
-		stck_to_timespec(entry->id.stck, &t);
-		zfcp_dbf_out(&p, "timestamp", "%011lu:%06lu",
-			     t.tv_sec, t.tv_nsec);
-		zfcp_dbf_out(&p, "cpu", "%02i", entry->id.fields.cpuid);
-	} else	{
-		zfcp_dbf_outd(&p, "", dump->data, dump->size, dump->offset,
-			      dump->total_size);
-		if ((dump->offset + dump->size) == dump->total_size)
-			p += sprintf(p, "\n");
-	}
-	return p - out_buf;
-}
-
 /**
  * zfcp_dbf_hba_fsf_res - trace event for fsf responses
  * @tag: tag indicating which kind of unsolicited status has been received

@@ -393,131 +329,57 @@ void zfcp_dbf_san_in_els(char *tag, stru
 		     fsf->req_id, ntoh24(srb->d_id));
 }
 
-void _zfcp_dbf_scsi(const char *tag, const char *tag2, int level,
-		    struct zfcp_dbf *dbf, struct scsi_cmnd *scsi_cmnd,
-		    struct zfcp_fsf_req *fsf_req, unsigned long old_req_id)
+/**
+ * zfcp_dbf_scsi - trace event for scsi commands
+ * @tag: identifier for event
+ * @sc: pointer to struct scsi_cmnd
+ * @fsf: pointer to struct zfcp_fsf_req
+ */
+void zfcp_dbf_scsi(char *tag, struct scsi_cmnd *sc, struct zfcp_fsf_req *fsf)
 {
-	struct zfcp_dbf_scsi_record *rec = &dbf->scsi_buf;
-	struct zfcp_dbf_dump *dump = (struct zfcp_dbf_dump *)rec;
-	unsigned long flags;
+	struct zfcp_adapter *adapter =
+		(struct zfcp_adapter *) sc->device->host->hostdata[0];
+	struct zfcp_dbf *dbf = adapter->dbf;
+	struct zfcp_dbf_scsi *rec = &dbf->scsi_buf;
 	struct fcp_resp_with_ext *fcp_rsp;
-	struct fcp_resp_rsp_info *fcp_rsp_info = NULL;
-	char *fcp_sns_info = NULL;
-	int offset = 0, buflen = 0;
+	struct fcp_resp_rsp_info *fcp_rsp_info;
+	unsigned long flags;
 
 	spin_lock_irqsave(&dbf->scsi_lock, flags);
-	do {
-		memset(rec, 0, sizeof(*rec));
-		if (offset == 0) {
-			strncpy(rec->tag, tag, ZFCP_DBF_TAG_SIZE);
-			strncpy(rec->tag2, tag2, ZFCP_DBF_TAG_SIZE);
-			if (scsi_cmnd != NULL) {
-				if (scsi_cmnd->device) {
-					rec->scsi_id = scsi_cmnd->device->id;
-					rec->scsi_lun = scsi_cmnd->device->lun;
-				}
-				rec->scsi_result = scsi_cmnd->result;
-				rec->scsi_cmnd = (unsigned long)scsi_cmnd;
-				memcpy(rec->scsi_opcode, scsi_cmnd->cmnd,
-					min((int)scsi_cmnd->cmd_len,
-						ZFCP_DBF_SCSI_OPCODE));
-				rec->scsi_retries = scsi_cmnd->retries;
-				rec->scsi_allowed = scsi_cmnd->allowed;
-			}
-			if (fsf_req != NULL) {
-				fcp_rsp = (struct fcp_resp_with_ext *)
-					&(fsf_req->qtcb->bottom.io.fcp_rsp);
-				fcp_rsp_info = (struct fcp_resp_rsp_info *)
-					&fcp_rsp[1];
-				fcp_sns_info = (char *) &fcp_rsp[1];
-				if (fcp_rsp->resp.fr_flags & FCP_RSP_LEN_VAL)
-					fcp_sns_info += fcp_rsp->ext.fr_sns_len;
-
-				rec->rsp_validity = fcp_rsp->resp.fr_flags;
-				rec->rsp_scsi_status = fcp_rsp->resp.fr_status;
-				rec->rsp_resid = fcp_rsp->ext.fr_resid;
-				if (fcp_rsp->resp.fr_flags & FCP_RSP_LEN_VAL)
-					rec->rsp_code = fcp_rsp_info->rsp_code;
-				if (fcp_rsp->resp.fr_flags & FCP_SNS_LEN_VAL) {
-					buflen = min(fcp_rsp->ext.fr_sns_len,
-					   (u32)ZFCP_DBF_SCSI_MAX_FCP_SNS_INFO);
-					rec->sns_info_len = buflen;
-					memcpy(rec->sns_info, fcp_sns_info,
-					       min(buflen,
-						   ZFCP_DBF_SCSI_FCP_SNS_INFO));
-					offset += min(buflen,
-						      ZFCP_DBF_SCSI_FCP_SNS_INFO);
-				}
-
-				rec->fsf_reqid = fsf_req->req_id;
-				rec->fsf_seqno = fsf_req->seq_no;
-				rec->fsf_issued = fsf_req->issued;
-			}
-			rec->old_fsf_reqid = old_req_id;
-		} else {
-			strncpy(dump->tag, "dump", ZFCP_DBF_TAG_SIZE);
-			dump->total_size = buflen;
-			dump->offset = offset;
-			dump->size = min(buflen - offset,
-					 (int)sizeof(struct
-						     zfcp_dbf_scsi_record) -
-					 (int)sizeof(struct zfcp_dbf_dump));
-			memcpy(dump->data, fcp_sns_info + offset, dump->size);
-			offset += dump->size;
-		}
-		debug_event(dbf->scsi, level, rec, sizeof(*rec));
-	} while (offset < buflen);
-	spin_unlock_irqrestore(&dbf->scsi_lock, flags);
-}
+	memset(rec, 0, sizeof(*rec));
 
-static int zfcp_dbf_scsi_view_format(debug_info_t *id, struct debug_view *view,
-				     char *out_buf, const char *in_buf)
-{
-	struct zfcp_dbf_scsi_record *r = (struct zfcp_dbf_scsi_record *)in_buf;
-	struct timespec t;
-	char *p = out_buf;
-
-	if (strncmp(r->tag, "dump", ZFCP_DBF_TAG_SIZE) == 0)
-		return 0;
-
-	zfcp_dbf_tag(&p, "tag", r->tag);
-	zfcp_dbf_tag(&p, "tag2", r->tag2);
-	zfcp_dbf_out(&p, "scsi_id", "0x%08x", r->scsi_id);
-	zfcp_dbf_out(&p, "scsi_lun", "0x%08x", r->scsi_lun);
-	zfcp_dbf_out(&p, "scsi_result", "0x%08x", r->scsi_result);
-	zfcp_dbf_out(&p, "scsi_cmnd", "0x%0Lx", r->scsi_cmnd);
-	zfcp_dbf_outd(&p, "scsi_opcode", r->scsi_opcode, ZFCP_DBF_SCSI_OPCODE,
-		      0, ZFCP_DBF_SCSI_OPCODE);
-	zfcp_dbf_out(&p, "scsi_retries", "0x%02x", r->scsi_retries);
-	zfcp_dbf_out(&p, "scsi_allowed", "0x%02x", r->scsi_allowed);
-	if (strncmp(r->tag, "abrt", ZFCP_DBF_TAG_SIZE) == 0)
-		zfcp_dbf_out(&p, "old_fsf_reqid", "0x%0Lx", r->old_fsf_reqid);
-	zfcp_dbf_out(&p, "fsf_reqid", "0x%0Lx", r->fsf_reqid);
-	zfcp_dbf_out(&p, "fsf_seqno", "0x%08x", r->fsf_seqno);
-	stck_to_timespec(r->fsf_issued, &t);
-	zfcp_dbf_out(&p, "fsf_issued", "%011lu:%06lu", t.tv_sec, t.tv_nsec);
-
-	if (strncmp(r->tag, "rslt", ZFCP_DBF_TAG_SIZE) == 0) {
-		zfcp_dbf_out(&p, "fcp_rsp_validity", "0x%02x", r->rsp_validity);
-		zfcp_dbf_out(&p, "fcp_rsp_scsi_status", "0x%02x",
-			     r->rsp_scsi_status);
-		zfcp_dbf_out(&p, "fcp_rsp_resid", "0x%08x", r->rsp_resid);
-		zfcp_dbf_out(&p, "fcp_rsp_code", "0x%08x", r->rsp_code);
-		zfcp_dbf_out(&p, "fcp_sns_info_len", "0x%08x", r->sns_info_len);
-		zfcp_dbf_outd(&p, "fcp_sns_info", r->sns_info,
-			      min((int)r->sns_info_len,
-			      ZFCP_DBF_SCSI_FCP_SNS_INFO), 0,
-			      r->sns_info_len);
+	memcpy(rec->tag, tag, ZFCP_DBF_TAG_LEN);
+	rec->id = ZFCP_DBF_SCSI_CMND;
+	rec->scsi_result = sc->result;
+	rec->scsi_retries = sc->retries;
+	rec->scsi_allowed = sc->allowed;
+	rec->scsi_id = sc->device->id;
+	rec->scsi_lun = sc->device->lun;
+	rec->host_scribble = (unsigned long)sc->host_scribble;
+
+	memcpy(rec->scsi_opcode, sc->cmnd,
+	       min((int)sc->cmd_len, ZFCP_DBF_SCSI_OPCODE));
+
+	if (fsf) {
+		rec->fsf_req_id = fsf->req_id;
+		fcp_rsp = (struct fcp_resp_with_ext *)
+				&(fsf->qtcb->bottom.io.fcp_rsp);
+		memcpy(&rec->fcp_rsp, fcp_rsp, FCP_RESP_WITH_EXT);
+		if (fcp_rsp->resp.fr_flags & FCP_RSP_LEN_VAL) {
+			fcp_rsp_info = (struct fcp_resp_rsp_info *) &fcp_rsp[1];
+			rec->fcp_rsp_info = fcp_rsp_info->rsp_code;
+		}
+		if (fcp_rsp->resp.fr_flags & FCP_SNS_LEN_VAL) {
+			rec->pl_len = min((u16)SCSI_SENSE_BUFFERSIZE,
+					  (u16)ZFCP_DBF_PAY_MAX_REC);
+			zfcp_dbf_pl_write(dbf, sc->sense_buffer, rec->pl_len,
+					  "fcp_sns", fsf->req_id);
+		}
 	}
-	p += sprintf(p, "\n");
-	return p - out_buf;
-}
 
-static struct debug_view zfcp_dbf_scsi_view = {
-	.name = "structured",
-	.header_proc = zfcp_dbf_view_header,
-	.format_proc = zfcp_dbf_scsi_view_format,
-};
+	debug_event(adapter->dbf->scsi, 1, rec, sizeof(*rec));
+	spin_unlock_irqrestore(&dbf->scsi_lock, flags);
+}
 
 static debug_info_t *zfcp_dbf_reg(const char *name, int level,
 				  struct debug_view *view, int size)

@@ -584,8 +446,8 @@ int zfcp_dbf_adapter_register(struct zfc
 
 	/* debug feature area which records SCSI command failures and recovery */
 	sprintf(dbf_name, "zfcp_%s_scsi", dev_name(&adapter->ccw_device->dev));
-	dbf->scsi = zfcp_dbf_reg(dbf_name, 3, &zfcp_dbf_scsi_view,
-				 sizeof(struct zfcp_dbf_scsi_record));
+	dbf->scsi = zfcp_dbf_reg(dbf_name, 3, NULL,
+				 sizeof(struct zfcp_dbf_scsi));
 	if (!dbf->scsi)
 		goto err_out;
 

203 lines not on this page · raw message

@@ -56,9 +56,7 @@ extern void zfcp_dbf_hba_berr(struct zfc
 extern void zfcp_dbf_san_req(char *, struct zfcp_fsf_req *, u32);
 extern void zfcp_dbf_san_res(char *, struct zfcp_fsf_req *);
 extern void zfcp_dbf_san_in_els(char *, struct zfcp_fsf_req *);
-extern void _zfcp_dbf_scsi(const char *, const char *, int, struct zfcp_dbf *,
-			   struct scsi_cmnd *, struct zfcp_fsf_req *,
-			   unsigned long);
+extern void zfcp_dbf_scsi(char *, struct scsi_cmnd *, struct zfcp_fsf_req *);
 
 /* zfcp_erp.c */
 extern void zfcp_erp_set_adapter_status(struct zfcp_adapter *, u32);

@@ -2105,7 +2105,7 @@ static void zfcp_fsf_fcp_cmnd_handler(st
 
 skip_fsfstatus:
 	zfcp_fsf_req_trace(req, scpnt);
-	zfcp_dbf_scsi_result(req->adapter->dbf, scpnt, req);
+	zfcp_dbf_scsi_result(scpnt, req);
 
 	scpnt->host_scribble = NULL;
 	(scpnt->scsi_done) (scpnt);

@@ -68,11 +68,8 @@ static int zfcp_scsi_slave_configure(str
 
 static void zfcp_scsi_command_fail(struct scsi_cmnd *scpnt, int result)
 {
-	struct zfcp_adapter *adapter =
-		(struct zfcp_adapter *) scpnt->device->host->hostdata[0];
-
 	set_host_byte(scpnt, result);
-	zfcp_dbf_scsi_fail_send(adapter->dbf, scpnt);
+	zfcp_dbf_scsi_fail_send(scpnt);
 	scpnt->scsi_done(scpnt);
 }
 

@@ -80,7 +77,6 @@ static
 int zfcp_scsi_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *scpnt)
 {
 	struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(scpnt->device);
-	struct zfcp_adapter *adapter = zfcp_sdev->port->adapter;
 	struct fc_rport *rport = starget_to_rport(scsi_target(scpnt->device));
 	int    status, scsi_result, ret;
 

@@ -91,7 +87,7 @@ int zfcp_scsi_queuecommand(struct Scsi_H
 	scsi_result = fc_remote_port_chkready(rport);
 	if (unlikely(scsi_result)) {
 		scpnt->result = scsi_result;
-		zfcp_dbf_scsi_fail_send(adapter->dbf, scpnt);
+		zfcp_dbf_scsi_fail_send(scpnt);
 		scpnt->scsi_done(scpnt);
 		return 0;
 	}

@@ -182,8 +178,7 @@ static int zfcp_scsi_eh_abort_handler(st
 	old_req = zfcp_reqlist_find(adapter->req_list, old_reqid);
 	if (!old_req) {
 		write_unlock_irqrestore(&adapter->abort_lock, flags);
-		zfcp_dbf_scsi_abort("lte1", adapter->dbf, scpnt, NULL,
-				    old_reqid);
+		zfcp_dbf_scsi_abort("abrt_or", scpnt, NULL);
 		return FAILED; /* completion could be in progress */
 	}
 	old_req->data = NULL;

@@ -198,29 +193,32 @@ static int zfcp_scsi_eh_abort_handler(st
 
 		zfcp_erp_wait(adapter);
 		ret = fc_block_scsi_eh(scpnt);
-		if (ret)
+		if (ret) {
+			zfcp_dbf_scsi_abort("abrt_bl", scpnt, NULL);
 			return ret;
+		}
 		if (!(atomic_read(&adapter->status) &
 		      ZFCP_STATUS_COMMON_RUNNING)) {
-			zfcp_dbf_scsi_abort("nres", adapter->dbf, scpnt, NULL,
-					    old_reqid);
+			zfcp_dbf_scsi_abort("abrt_ru", scpnt, NULL);
 			return SUCCESS;
 		}
 	}
-	if (!abrt_req)
+	if (!abrt_req) {
+		zfcp_dbf_scsi_abort("abrt_ar", scpnt, NULL);
 		return FAILED;
+	}
 
 	wait_for_completion(&abrt_req->completion);
 
 	if (abrt_req->status & ZFCP_STATUS_FSFREQ_ABORTSUCCEEDED)
-		dbf_tag = "okay";
+		dbf_tag = "abrt_ok";
 	else if (abrt_req->status & ZFCP_STATUS_FSFREQ_ABORTNOTNEEDED)
-		dbf_tag = "lte2";
+		dbf_tag = "abrt_nn";
 	else {
-		dbf_tag = "fail";
+		dbf_tag = "abrt_fa";
 		retval = FAILED;
 	}
-	zfcp_dbf_scsi_abort(dbf_tag, adapter->dbf, scpnt, abrt_req, old_reqid);
+	zfcp_dbf_scsi_abort(dbf_tag, scpnt, abrt_req);
 	zfcp_fsf_req_free(abrt_req);
 	return retval;
 }

@@ -311,8 +311,7 @@ int zfcp_status_read_refill(struct zfcp_
 		if (zfcp_fsf_status_read(adapter->qdio)) {
 			if (atomic_read(&adapter->stat_miss) >=
 			    adapter->stat_read_buf_num) {
-				zfcp_erp_adapter_reopen(adapter, 0, "axsref1",
-							NULL);
+				zfcp_erp_adapter_reopen(adapter, 0, "axsref1");
 				return 1;
 			}
 			break;

@@ -459,7 +458,7 @@ void zfcp_adapter_unregister(struct zfcp
 	sysfs_remove_group(&cdev->dev.kobj, &zfcp_sysfs_adapter_attrs);
 
 	zfcp_erp_thread_kill(adapter);
-	zfcp_dbf_adapter_unregister(adapter->dbf);
+	zfcp_dbf_adapter_unregister(adapter);
 	zfcp_qdio_destroy(adapter->qdio);
 
 	zfcp_ccw_adapter_put(adapter); /* final put to release */

@@ -48,7 +48,7 @@ static int zfcp_ccw_activate(struct ccw_
 
 	zfcp_erp_set_adapter_status(adapter, ZFCP_STATUS_COMMON_RUNNING);
 	zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED,
-				"ccresu2", NULL);
+				"ccresu2");
 	zfcp_erp_wait(adapter);
 	flush_work(&adapter->scan_work);
 

@@ -182,7 +182,7 @@ static int zfcp_ccw_set_offline(struct c
 	if (!adapter)
 		return 0;
 
-	zfcp_erp_adapter_shutdown(adapter, 0, "ccsoff1", NULL);
+	zfcp_erp_adapter_shutdown(adapter, 0, "ccsoff1");
 	zfcp_erp_wait(adapter);
 
 	zfcp_ccw_adapter_put(adapter);

@@ -207,24 +207,24 @@ static int zfcp_ccw_notify(struct ccw_de
 	switch (event) {
 	case CIO_GONE:
 		dev_warn(&cdev->dev, "The FCP device has been detached\n");
-		zfcp_erp_adapter_shutdown(adapter, 0, "ccnoti1", NULL);
+		zfcp_erp_adapter_shutdown(adapter, 0, "ccnoti1");
 		break;
 	case CIO_NO_PATH:
 		dev_warn(&cdev->dev,
 			 "The CHPID for the FCP device is offline\n");
-		zfcp_erp_adapter_shutdown(adapter, 0, "ccnoti2", NULL);
+		zfcp_erp_adapter_shutdown(adapter, 0, "ccnoti2");
 		break;
 	case CIO_OPER:
 		dev_info(&cdev->dev, "The FCP device is operational again\n");
 		zfcp_erp_set_adapter_status(adapter,
 					    ZFCP_STATUS_COMMON_RUNNING);
 		zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED,
-					"ccnoti4", NULL);
+					"ccnoti4");
 		break;
 	case CIO_BOXED:
 		dev_warn(&cdev->dev, "The FCP device did not respond within "
 				     "the specified time\n");
-		zfcp_erp_adapter_shutdown(adapter, 0, "ccnoti5", NULL);
+		zfcp_erp_adapter_shutdown(adapter, 0, "ccnoti5");
 		break;
 	}
 

@@ -243,7 +243,7 @@ static void zfcp_ccw_shutdown(struct ccw
 	if (!adapter)
 		return;
 
-	zfcp_erp_adapter_shutdown(adapter, 0, "ccshut1", NULL);
+	zfcp_erp_adapter_shutdown(adapter, 0, "ccshut1");
 	zfcp_erp_wait(adapter);
 	zfcp_erp_thread_kill(adapter);
 

@@ -288,7 +288,7 @@ void zfcp_cfdc_adapter_access_changed(st
 		    (status & ZFCP_STATUS_COMMON_ACCESS_BOXED))
 			zfcp_erp_port_reopen(port,
 					     ZFCP_STATUS_COMMON_ERP_FAILED,
-					     "cfaac_1", NULL);
+					     "cfaac_1");
 	}
 	read_unlock_irqrestore(&adapter->port_list_lock, flags);
 

@@ -299,7 +299,7 @@ void zfcp_cfdc_adapter_access_changed(st
 		    (status & ZFCP_STATUS_COMMON_ACCESS_BOXED))
 			zfcp_erp_lun_reopen(sdev,
 					    ZFCP_STATUS_COMMON_ERP_FAILED,
-					    "cfaac_2", NULL);
+					    "cfaac_2");
 	}
 }
 

@@ -426,7 +426,7 @@ int zfcp_cfdc_open_lun_eval(struct scsi_
 			zfcp_scsi_dev_lun(sdev),
 			(unsigned long long)zfcp_sdev->port->wwpn);
 		zfcp_erp_set_lun_status(sdev, ZFCP_STATUS_COMMON_ERP_FAILED);
-		zfcp_erp_lun_shutdown(sdev, 0, "fsouh_6", NULL);
+		zfcp_erp_lun_shutdown(sdev, 0, "fsouh_6");
 		return -EACCES;
 	}
 

@@ -437,7 +437,7 @@ int zfcp_cfdc_open_lun_eval(struct scsi_
 			zfcp_scsi_dev_lun(sdev),
 			(unsigned long long)zfcp_sdev->port->wwpn);
 		zfcp_erp_set_lun_status(sdev, ZFCP_STATUS_COMMON_ERP_FAILED);
-		zfcp_erp_lun_shutdown(sdev, 0, "fsosh_8", NULL);
+		zfcp_erp_lun_shutdown(sdev, 0, "fsosh_8");
 		return -EACCES;
 	}
 

136 lines not on this page · raw message

@@ -14,8 +14,6 @@
 #include "zfcp_def.h"
 
 #define ZFCP_DBF_TAG_LEN       7
-#define ZFCP_DBF_TAG_SIZE      4
-#define ZFCP_DBF_ID_SIZE       7
 
 #define ZFCP_DBF_INVALID_LUN	0xFFFFFFFFFFFFFFFFull
 

@@ -233,13 +231,31 @@ struct zfcp_dbf_scsi {
  * @data: unformatted data
  */
 struct zfcp_dbf_pay {
+	u8 counter;
 	char area[ZFCP_DBF_TAG_LEN];
-	char counter;
 	u64 fsf_req_id;
 #define ZFCP_DBF_PAY_MAX_REC 0x100
 	char data[ZFCP_DBF_PAY_MAX_REC];
 } __packed;
 
+/**
+ * struct zfcp_dbf - main dbf trace structure
+ * @pay: reference to payload trace area
+ * @rec: reference to recovery trace area
+ * @hba: reference to hba trace area
+ * @san: reference to san trace area
+ * @scsi: reference to scsi trace area
+ * @pay_lock: lock protecting payload trace buffer
+ * @rec_lock: lock protecting recovery trace buffer
+ * @hba_lock: lock protecting hba trace buffer
+ * @san_lock: lock protecting san trace buffer
+ * @scsi_lock: lock protecting scsi trace buffer
+ * @pay_buf: pre-allocated buffer for payload
+ * @rec_buf: pre-allocated buffer for recovery
+ * @hba_buf: pre-allocated buffer for hba
+ * @san_buf: pre-allocated buffer for san
+ * @scsi_buf: pre-allocated buffer for scsi
+ */
 struct zfcp_dbf {
 	debug_info_t			*pay;
 	debug_info_t			*rec;

@@ -251,12 +267,11 @@ struct zfcp_dbf {
 	spinlock_t			hba_lock;
 	spinlock_t			san_lock;
 	spinlock_t			scsi_lock;
+	struct zfcp_dbf_pay		pay_buf;
 	struct zfcp_dbf_rec		rec_buf;
 	struct zfcp_dbf_hba		hba_buf;
 	struct zfcp_dbf_san		san_buf;
 	struct zfcp_dbf_scsi		scsi_buf;
-	struct zfcp_dbf_pay		pay_buf;
-	struct zfcp_adapter		*adapter;
 };
 
 static inline

308 lines not on this page · raw message

@@ -45,7 +45,7 @@ extern void zfcp_cfdc_adapter_access_cha
 
 /* zfcp_dbf.c */
 extern int zfcp_dbf_adapter_register(struct zfcp_adapter *);
-extern void zfcp_dbf_adapter_unregister(struct zfcp_dbf *);
+extern void zfcp_dbf_adapter_unregister(struct zfcp_adapter *);
 extern void zfcp_dbf_rec_trig(char *, struct zfcp_adapter *,
 			      struct zfcp_port *, struct scsi_device *, u8, u8);
 extern void zfcp_dbf_rec_run(char *, struct zfcp_erp_action *);

@@ -61,19 +61,17 @@ extern void zfcp_dbf_scsi(char *, struct
 /* zfcp_erp.c */
 extern void zfcp_erp_set_adapter_status(struct zfcp_adapter *, u32);
 extern void zfcp_erp_clear_adapter_status(struct zfcp_adapter *, u32);
-extern void zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, char *, void *);
-extern void zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, char *,
-				      void *);
+extern void zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, char *);
+extern void zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, char *);
 extern void zfcp_erp_set_port_status(struct zfcp_port *, u32);
 extern void zfcp_erp_clear_port_status(struct zfcp_port *, u32);
-extern int  zfcp_erp_port_reopen(struct zfcp_port *, int, char *, void *);
-extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, char *, void *);
-extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, char *,
-					void *);
+extern int  zfcp_erp_port_reopen(struct zfcp_port *, int, char *);
+extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, char *);
+extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, char *);
 extern void zfcp_erp_set_lun_status(struct scsi_device *, u32);
 extern void zfcp_erp_clear_lun_status(struct scsi_device *, u32);
-extern void zfcp_erp_lun_reopen(struct scsi_device *, int, char *, void *);
-extern void zfcp_erp_lun_shutdown(struct scsi_device *, int, char *, void *);
+extern void zfcp_erp_lun_reopen(struct scsi_device *, int, char *);
+extern void zfcp_erp_lun_shutdown(struct scsi_device *, int, char *);
 extern void zfcp_erp_lun_shutdown_wait(struct scsi_device *, char *);
 extern int  zfcp_erp_thread_setup(struct zfcp_adapter *);
 extern void zfcp_erp_thread_kill(struct zfcp_adapter *);

@@ -174,7 +174,7 @@ static void _zfcp_fc_incoming_rscn(struc
 		if (!port->d_id)
 			zfcp_erp_port_reopen(port,
 					     ZFCP_STATUS_COMMON_ERP_FAILED,
-					     "fcrscn1", NULL);
+					     "fcrscn1");
 	}
 	read_unlock_irqrestore(&adapter->port_list_lock, flags);
 }

@@ -215,7 +215,7 @@ static void zfcp_fc_incoming_wwpn(struct
 	read_lock_irqsave(&adapter->port_list_lock, flags);
 	list_for_each_entry(port, &adapter->port_list, list)
 		if (port->wwpn == wwpn) {
-			zfcp_erp_port_forced_reopen(port, 0, "fciwwp1", req);
+			zfcp_erp_port_forced_reopen(port, 0, "fciwwp1");
 			break;
 		}
 	read_unlock_irqrestore(&adapter->port_list_lock, flags);

@@ -360,7 +360,7 @@ void zfcp_fc_port_did_lookup(struct work
 	ret = zfcp_fc_ns_gid_pn(port);
 	if (ret) {
 		/* could not issue gid_pn for some reason */
-		zfcp_erp_adapter_reopen(port->adapter, 0, "fcgpn_1", NULL);
+		zfcp_erp_adapter_reopen(port->adapter, 0, "fcgpn_1");
 		goto out;
 	}
 

@@ -369,7 +369,7 @@ void zfcp_fc_port_did_lookup(struct work
 		goto out;
 	}
 
-	zfcp_erp_port_reopen(port, 0, "fcgpn_3", NULL);
+	zfcp_erp_port_reopen(port, 0, "fcgpn_3");
 out:
 	put_device(&port->dev);
 }

@@ -426,7 +426,7 @@ static void zfcp_fc_adisc_handler(void *
 	if (adisc->els.status) {
 		/* request rejected or timed out */
 		zfcp_erp_port_forced_reopen(port, ZFCP_STATUS_COMMON_ERP_FAILED,
-					    "fcadh_1", NULL);
+					    "fcadh_1");
 		goto out;
 	}
 

@@ -436,7 +436,7 @@ static void zfcp_fc_adisc_handler(void *
 	if ((port->wwpn != adisc_resp->adisc_wwpn) ||
 	    !(atomic_read(&port->status) & ZFCP_STATUS_COMMON_OPEN)) {
 		zfcp_erp_port_reopen(port, ZFCP_STATUS_COMMON_ERP_FAILED,
-				     "fcadh_2", NULL);
+				     "fcadh_2");
 		goto out;
 	}
 

@@ -507,7 +507,7 @@ void zfcp_fc_link_test_work(struct work_
 
 	/* send of ADISC was not possible */
 	atomic_clear_mask(ZFCP_STATUS_PORT_LINK_TEST, &port->status);
-	zfcp_erp_port_forced_reopen(port, 0, "fcltwk1", NULL);
+	zfcp_erp_port_forced_reopen(port, 0, "fcltwk1");
 
 out:
 	put_device(&port->dev);

@@ -659,7 +659,7 @@ static int zfcp_fc_eval_gpn_ft(struct zf
 		port = zfcp_port_enqueue(adapter, acc->fp_wwpn,
 					 ZFCP_STATUS_COMMON_NOESC, d_id);
 		if (!IS_ERR(port))
-			zfcp_erp_port_reopen(port, 0, "fcegpf1", NULL);
+			zfcp_erp_port_reopen(port, 0, "fcegpf1");
 		else if (PTR_ERR(port) != -EEXIST)
 			ret = PTR_ERR(port);
 	}

@@ -671,7 +671,7 @@ static int zfcp_fc_eval_gpn_ft(struct zf
 	write_unlock_irqrestore(&adapter->port_list_lock, flags);
 
 	list_for_each_entry_safe(port, tmp, &remove_lh, list) {
-		zfcp_erp_port_shutdown(port, 0, "fcegpf2", NULL);
+		zfcp_erp_port_shutdown(port, 0, "fcegpf2");
 		zfcp_device_unregister(&port->dev, &zfcp_sysfs_port_attrs);
 	}
 

305 lines not on this page · raw message

@@ -41,7 +41,7 @@ static void zfcp_qdio_handler_error(stru
 		zfcp_qdio_siosl(adapter);
 	zfcp_erp_adapter_reopen(adapter,
 				ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED |
-				ZFCP_STATUS_COMMON_ERP_FAILED, id, NULL);
+				ZFCP_STATUS_COMMON_ERP_FAILED, id);
 }
 
 static void zfcp_qdio_zero_sbals(struct qdio_buffer *sbal[], int first, int cnt)

@@ -114,7 +114,7 @@ static void zfcp_qdio_int_resp(struct cc
 	 * put SBALs back to response queue
 	 */
 	if (do_QDIO(cdev, QDIO_FLAG_SYNC_INPUT, 0, idx, count))
-		zfcp_erp_adapter_reopen(qdio->adapter, 0, "qdires2", NULL);
+		zfcp_erp_adapter_reopen(qdio->adapter, 0, "qdires2");
 }
 
 static struct qdio_buffer_element *

@@ -234,7 +234,7 @@ int zfcp_qdio_sbal_get(struct zfcp_qdio
 	if (!ret) {
 		atomic_inc(&qdio->req_q_full);
 		/* assume hanging outbound queue, try queue recovery */
-		zfcp_erp_adapter_reopen(qdio->adapter, 0, "qdsbg_1", NULL);
+		zfcp_erp_adapter_reopen(qdio->adapter, 0, "qdsbg_1");
 	}
 
 	spin_lock_irq(&qdio->req_q_lock);

@@ -154,7 +154,7 @@ static int zfcp_scsi_slave_alloc(struct
 	spin_lock_init(&zfcp_sdev->latencies.lock);
 
 	zfcp_erp_set_lun_status(sdev, ZFCP_STATUS_COMMON_RUNNING);
-	zfcp_erp_lun_reopen(sdev, 0, "scsla_1", NULL);
+	zfcp_erp_lun_reopen(sdev, 0, "scsla_1");
 	zfcp_erp_wait(port->adapter);
 
 	return 0;

@@ -278,7 +278,7 @@ static int zfcp_scsi_eh_host_reset_handl
 	struct zfcp_adapter *adapter = zfcp_sdev->port->adapter;
 	int ret;
 
-	zfcp_erp_adapter_reopen(adapter, 0, "schrh_1", scpnt);
+	zfcp_erp_adapter_reopen(adapter, 0, "schrh_1");
 	zfcp_erp_wait(adapter);
 	ret = fc_block_scsi_eh(scpnt);
 	if (ret)

@@ -516,7 +516,7 @@ static void zfcp_scsi_terminate_rport_io
 	port = zfcp_get_port_by_wwpn(adapter, rport->port_name);
 
 	if (port) {
-		zfcp_erp_port_forced_reopen(port, 0, "sctrpi1", NULL);
+		zfcp_erp_port_forced_reopen(port, 0, "sctrpi1");
 		put_device(&port->dev);
 	}
 }

@@ -105,8 +105,7 @@ static ssize_t zfcp_sysfs_port_failed_st
 		return -EINVAL;
 
 	zfcp_erp_set_port_status(port, ZFCP_STATUS_COMMON_RUNNING);
-	zfcp_erp_port_reopen(port, ZFCP_STATUS_COMMON_ERP_FAILED, "sypfai2",
-			     NULL);
+	zfcp_erp_port_reopen(port, ZFCP_STATUS_COMMON_ERP_FAILED, "sypfai2");
 	zfcp_erp_wait(port->adapter);
 
 	return count;

@@ -148,7 +147,7 @@ static ssize_t zfcp_sysfs_unit_failed_st
 	if (sdev) {
 		zfcp_erp_set_lun_status(sdev, ZFCP_STATUS_COMMON_RUNNING);
 		zfcp_erp_lun_reopen(sdev, ZFCP_STATUS_COMMON_ERP_FAILED,
-				    "syufai2", NULL);
+				    "syufai2");
 		zfcp_erp_wait(unit->port->adapter);
 	} else
 		zfcp_unit_scsi_scan(unit);

@@ -198,7 +197,7 @@ static ssize_t zfcp_sysfs_adapter_failed
 
 	zfcp_erp_set_adapter_status(adapter, ZFCP_STATUS_COMMON_RUNNING);
 	zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED,
-				"syafai2", NULL);
+				"syafai2");
 	zfcp_erp_wait(adapter);
 out:
 	zfcp_ccw_adapter_put(adapter);

@@ -256,7 +255,7 @@ static ssize_t zfcp_sysfs_port_remove_st
 
 	put_device(&port->dev);
 
-	zfcp_erp_port_shutdown(port, 0, "syprs_1", NULL);
+	zfcp_erp_port_shutdown(port, 0, "syprs_1");
 	zfcp_device_unregister(&port->dev, &zfcp_sysfs_port_attrs);
  out:
 	zfcp_ccw_adapter_put(adapter);

@@ -644,17 +644,6 @@ static void zfcp_erp_wakeup(struct zfcp_
 	read_unlock_irqrestore(&adapter->erp_lock, flags);
 }
 
-static int zfcp_erp_adapter_strategy_open_qdio(struct zfcp_erp_action *act)
-{
-	struct zfcp_qdio *qdio = act->adapter->qdio;
-
-	if (zfcp_qdio_open(qdio))
-		return ZFCP_ERP_FAILED;
-	init_waitqueue_head(&qdio->req_q_wq);
-	atomic_set_mask(ZFCP_STATUS_ADAPTER_QDIOUP, &act->adapter->status);
-	return ZFCP_ERP_SUCCEEDED;
-}
-
 static void zfcp_erp_enqueue_ptp_port(struct zfcp_adapter *adapter)
 {
 	struct zfcp_port *port;

@@ -778,7 +767,7 @@ static int zfcp_erp_adapter_strategy_ope
 {
 	struct zfcp_adapter *adapter = act->adapter;
 
-	if (zfcp_erp_adapter_strategy_open_qdio(act)) {
+	if (zfcp_qdio_open(adapter->qdio)) {
 		atomic_clear_mask(ZFCP_STATUS_ADAPTER_XCONFIG_OK |
 				  ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED,
 				  &adapter->status);

@@ -307,6 +307,7 @@ static int zfcp_qdio_allocate(struct zfc
 		return -ENOMEM;
 
 	zfcp_qdio_setup_init_data(&init_data, qdio);
+	init_waitqueue_head(&qdio->req_q_wq);
 
 	return qdio_allocate(&init_data);
 }

@@ -391,6 +392,7 @@ int zfcp_qdio_open(struct zfcp_qdio *qdi
 	/* set index of first avalable SBALS / number of available SBALS */
 	qdio->req_q_idx = 0;
 	atomic_set(&qdio->req_q_free, QDIO_MAX_BUFFERS_PER_Q);
+	atomic_set_mask(ZFCP_STATUS_ADAPTER_QDIOUP, &qdio->adapter->status);
 
 	return 0;
 

diff -urpN linux-2.6/drivers/s390/scsi/zfcp_aux.c linux-2.6-patched/drivers/s390/scsi/zfcp_aux.c
@@ -45,8 +45,8 @@ static char *init_device;
 module_param_named(device, init_device, charp, 0400);
 MODULE_PARM_DESC(device, "specify initial device");
 
-static struct kmem_cache *zfcp_cache_hw_align(const char *name,
-					      unsigned long size)
+static struct kmem_cache * __init zfcp_cache_hw_align(const char *name,
+						      unsigned long size)
 {
 	return kmem_cache_create(name, size, roundup_pow_of_two(size), 0, NULL);
 }