diff options
Diffstat (limited to 'drivers/s390')
| -rw-r--r-- | drivers/s390/scsi/zfcp_dbf.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c index 7e85e87b0ede..85ba4cc4190e 100644 --- a/drivers/s390/scsi/zfcp_dbf.c +++ b/drivers/s390/scsi/zfcp_dbf.c @@ -131,6 +131,10 @@ static int zfcp_dbf_view_header(debug_info_t *id, struct debug_view *view, return p - out_buf; } +/** + * zfcp_hba_dbf_event_fsf_response - trace event for request completion + * @fsf_req: request that has been completed + */ void zfcp_hba_dbf_event_fsf_response(struct zfcp_fsf_req *fsf_req) { struct zfcp_adapter *adapter = fsf_req->adapter; @@ -247,6 +251,12 @@ void zfcp_hba_dbf_event_fsf_response(struct zfcp_fsf_req *fsf_req) spin_unlock_irqrestore(&adapter->hba_dbf_lock, flags); } +/** + * zfcp_hba_dbf_event_fsf_unsol - trace event for an unsolicited status buffer + * @tag: tag indicating which kind of unsolicited status has been received + * @adapter: adapter that has issued the unsolicited status buffer + * @status_buffer: buffer containing payload of unsolicited status + */ void zfcp_hba_dbf_event_fsf_unsol(const char *tag, struct zfcp_adapter *adapter, struct fsf_status_read_buffer *status_buffer) { @@ -299,6 +309,15 @@ void zfcp_hba_dbf_event_fsf_unsol(const char *tag, struct zfcp_adapter *adapter, spin_unlock_irqrestore(&adapter->hba_dbf_lock, flags); } +/** + * zfcp_hba_dbf_event_qdio - trace event for QDIO related failure + * @adapter: adapter affected by this QDIO related event + * @status: as passed by qdio module + * @qdio_error: as passed by qdio module + * @siga_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 + */ void zfcp_hba_dbf_event_qdio(struct zfcp_adapter *adapter, unsigned int status, unsigned int qdio_error, unsigned int siga_error, int sbal_index, int sbal_count) @@ -810,6 +829,10 @@ void zfcp_rec_dbf_event_action(u8 id2, struct zfcp_erp_action *erp_action) spin_unlock_irqrestore(&adapter->rec_dbf_lock, flags); } +/** + * zfcp_san_dbf_event_ct_request - trace event for issued CT request + * @fsf_req: request containing issued CT data + */ void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *fsf_req) { struct zfcp_send_ct *ct = (struct zfcp_send_ct *)fsf_req->data; @@ -840,6 +863,10 @@ void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *fsf_req) spin_unlock_irqrestore(&adapter->san_dbf_lock, flags); } +/** + * zfcp_san_dbf_event_ct_response - trace event for completion of CT request + * @fsf_req: request containing CT response + */ void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *fsf_req) { struct zfcp_send_ct *ct = (struct zfcp_send_ct *)fsf_req->data; @@ -892,6 +919,10 @@ static void zfcp_san_dbf_event_els(const char *tag, int level, spin_unlock_irqrestore(&adapter->san_dbf_lock, flags); } +/** + * zfcp_san_dbf_event_els_request - trace event for issued ELS + * @fsf_req: request containing issued ELS + */ void zfcp_san_dbf_event_els_request(struct zfcp_fsf_req *fsf_req) { struct zfcp_send_els *els = (struct zfcp_send_els *)fsf_req->data; @@ -902,6 +933,10 @@ void zfcp_san_dbf_event_els_request(struct zfcp_fsf_req *fsf_req) zfcp_sg_to_address(els->req), els->req->length); } +/** + * zfcp_san_dbf_event_els_response - trace event for completed ELS + * @fsf_req: request containing ELS response + */ void zfcp_san_dbf_event_els_response(struct zfcp_fsf_req *fsf_req) { struct zfcp_send_els *els = (struct zfcp_send_els *)fsf_req->data; @@ -913,6 +948,10 @@ void zfcp_san_dbf_event_els_response(struct zfcp_fsf_req *fsf_req) els->resp->length); } +/** + * zfcp_san_dbf_event_incoming_els - trace event for incomig ELS + * @fsf_req: request containing unsolicited status buffer with incoming ELS + */ void zfcp_san_dbf_event_incoming_els(struct zfcp_fsf_req *fsf_req) { struct zfcp_adapter *adapter = fsf_req->adapter; @@ -1069,6 +1108,14 @@ static void zfcp_scsi_dbf_event(const char *tag, const char *tag2, int level, spin_unlock_irqrestore(&adapter->scsi_dbf_lock, flags); } +/** + * zfcp_scsi_dbf_event_result - trace event for SCSI command completion + * @tag: tag indicating success or failure of SCSI command + * @level: trace level applicable for this event + * @adapter: adapter that has been used to issue the SCSI command + * @scsi_cmnd: SCSI command pointer + * @fsf_req: request used to issue SCSI command (might be NULL) + */ void zfcp_scsi_dbf_event_result(const char *tag, int level, struct zfcp_adapter *adapter, struct scsi_cmnd *scsi_cmnd, @@ -1077,6 +1124,14 @@ void zfcp_scsi_dbf_event_result(const char *tag, int level, zfcp_scsi_dbf_event("rslt", tag, level, adapter, scsi_cmnd, fsf_req, 0); } +/** + * zfcp_scsi_dbf_event_abort - trace event for SCSI command abort + * @tag: tag indicating success or failure of abort operation + * @adapter: adapter thas has been used to issue SCSI command to be aborted + * @scsi_cmnd: SCSI command to be aborted + * @new_fsf_req: request containing abort (might be NULL) + * @old_req_id: identifier of request containg SCSI command to be aborted + */ void zfcp_scsi_dbf_event_abort(const char *tag, struct zfcp_adapter *adapter, struct scsi_cmnd *scsi_cmnd, struct zfcp_fsf_req *new_fsf_req, @@ -1086,6 +1141,13 @@ void zfcp_scsi_dbf_event_abort(const char *tag, struct zfcp_adapter *adapter, old_req_id); } +/** + * zfcp_scsi_dbf_event_devreset - trace event for Logical Unit or Target Reset + * @tag: tag indicating success or failure of reset operation + * @flag: indicates type of reset (Target Reset, Logical Unit Reset) + * @unit: unit that needs reset + * @scsi_cmnd: SCSI command which caused this error recovery + */ void zfcp_scsi_dbf_event_devreset(const char *tag, u8 flag, struct zfcp_unit *unit, struct scsi_cmnd *scsi_cmnd) |