diff options
Diffstat (limited to 'drivers/s390/scsi/zfcp_dbf.h')
| -rw-r--r-- | drivers/s390/scsi/zfcp_dbf.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/drivers/s390/scsi/zfcp_dbf.h b/drivers/s390/scsi/zfcp_dbf.h index 4cfd68fe8a2..c2d5ef18b73 100644 --- a/drivers/s390/scsi/zfcp_dbf.h +++ b/drivers/s390/scsi/zfcp_dbf.h @@ -22,7 +22,9 @@ #ifndef ZFCP_DBF_H #define ZFCP_DBF_H +#include "zfcp_ext.h" #include "zfcp_fsf.h" +#include "zfcp_def.h" #define ZFCP_DBF_TAG_SIZE 4 #define ZFCP_DBF_ID_SIZE 7 @@ -237,4 +239,65 @@ struct zfcp_dbf { struct zfcp_scsi_dbf_record scsi_dbf_buf; }; +static inline +void zfcp_scsi_dbf_event(const char *tag, const char *tag2, int level, + struct zfcp_adapter *adapter, struct scsi_cmnd *scmd, + struct zfcp_fsf_req *req, unsigned long old_id) +{ + struct zfcp_dbf *dbf = adapter->dbf; + + if (level <= dbf->scsi_dbf->level) + _zfcp_scsi_dbf_event(tag, tag2, level, dbf, scmd, req, old_id); +} + +/** + * 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 + * @scmd: SCSI command pointer + * @fsf_req: request used to issue SCSI command (might be NULL) + */ +static inline +void zfcp_scsi_dbf_event_result(const char *tag, int level, + struct zfcp_adapter *adapter, + struct scsi_cmnd *scmd, + struct zfcp_fsf_req *fsf_req) +{ + zfcp_scsi_dbf_event("rslt", tag, level, adapter, scmd, 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 + * @scmd: SCSI command to be aborted + * @new_req: request containing abort (might be NULL) + * @old_id: identifier of request containg SCSI command to be aborted + */ +static inline +void zfcp_scsi_dbf_event_abort(const char *tag, struct zfcp_adapter *adapter, + struct scsi_cmnd *scmd, + struct zfcp_fsf_req *new_req, + unsigned long old_id) +{ + zfcp_scsi_dbf_event("abrt", tag, 1, adapter, scmd, new_req, old_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 + */ +static inline +void zfcp_scsi_dbf_event_devreset(const char *tag, u8 flag, + struct zfcp_unit *unit, + struct scsi_cmnd *scsi_cmnd) +{ + zfcp_scsi_dbf_event(flag == FCP_TARGET_RESET ? "trst" : "lrst", tag, 1, + unit->port->adapter, scsi_cmnd, NULL, 0); +} + #endif /* ZFCP_DBF_H */ |