[SCSI] zfcp: Redesign of the debug tracing for HBA records.

This patch is the continuation to redesign the zfcp tracing to a more
straight-forward and easy to extend scheme.

This patch deals with all trace records of the zfcp HBA area.

Signed-off-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

1 files changed, 117 insertions, 316 deletions

diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c
index 6ece47e5148c..b57a47b64b80 100644
--- a/drivers/s390/scsi/zfcp_dbf.c
+++ b/drivers/s390/scsi/zfcp_dbf.c
@@ -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_info_t *id, struct debug_view *view,
 	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;
+	memset(rec, 0, sizeof(*rec));
 
-	zfcp_dbf_tag(&p, "tag", r->tag);
-	if (isalpha(r->tag2[0]))
-		zfcp_dbf_tag(&p, "tag2", r->tag2);
-
-	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);
-
-	if (strncmp(r->tag, "resp", ZFCP_DBF_TAG_SIZE) != 0)
-		p += sprintf(p, "\n");
-	return p - out_buf;
+	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));
+
+	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 zfcp_adapter *adapter)
 
 	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 zfcp_adapter *adapter)
 
 	/* 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 zfcp_dbf *dbf)
 	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);