diff options
Diffstat (limited to 'drivers/s390/scsi/zfcp_dbf.h')
| -rw-r--r-- | drivers/s390/scsi/zfcp_dbf.h | 129 |
1 files changed, 69 insertions, 60 deletions
diff --git a/drivers/s390/scsi/zfcp_dbf.h b/drivers/s390/scsi/zfcp_dbf.h index 5dc0b41..2cee819 100644 --- a/drivers/s390/scsi/zfcp_dbf.h +++ b/drivers/s390/scsi/zfcp_dbf.h @@ -19,14 +19,6 @@ #define ZFCP_DBF_INVALID_LUN 0xFFFFFFFFFFFFFFFFull -struct zfcp_dbf_dump { - u8 tag[ZFCP_DBF_TAG_SIZE]; - u32 total_size; /* size of total dump data */ - u32 offset; /* how much data has being already dumped */ - u32 size; /* how much data comes with this record */ - u8 data[]; /* dump data */ -} __attribute__ ((packed)); - /** * struct zfcp_dbf_rec_trigger - trace record for triggered recovery action * @ready: number of ready recovery actions @@ -193,6 +185,47 @@ struct zfcp_dbf_hba { } __packed; /** + * enum zfcp_dbf_scsi_id - scsi trace record identifier + * @ZFCP_DBF_SCSI_CMND: scsi command trace record + */ +enum zfcp_dbf_scsi_id { + ZFCP_DBF_SCSI_CMND = 1, +}; + +/** + * struct zfcp_dbf_scsi - common trace record for SCSI records + * @id: unique number of recovery record type + * @tag: identifier string specifying the location of initiation + * @scsi_id: scsi device id + * @scsi_lun: scsi device logical unit number + * @scsi_result: scsi result + * @scsi_retries: current retry number of scsi request + * @scsi_allowed: allowed retries + * @fcp_rsp_info: FCP response info + * @scsi_opcode: scsi opcode + * @fsf_req_id: request id of fsf request + * @host_scribble: LLD specific data attached to SCSI request + * @pl_len: length of paload stored as zfcp_dbf_pay + * @fsf_rsp: response for fsf request + */ +struct zfcp_dbf_scsi { + u8 id; + char tag[ZFCP_DBF_TAG_LEN]; + u32 scsi_id; + u32 scsi_lun; + u32 scsi_result; + u8 scsi_retries; + u8 scsi_allowed; + u8 fcp_rsp_info; +#define ZFCP_DBF_SCSI_OPCODE 16 + u8 scsi_opcode[ZFCP_DBF_SCSI_OPCODE]; + u64 fsf_req_id; + u64 host_scribble; + u16 pl_len; + struct fcp_resp_with_ext fcp_rsp; +} __packed; + +/** * struct zfcp_dbf_pay - trace record for unformatted payload information * @area: area this record is originated from * @counter: ascending record number @@ -207,31 +240,6 @@ struct zfcp_dbf_pay { char data[ZFCP_DBF_PAY_MAX_REC]; } __packed; -struct zfcp_dbf_scsi_record { - u8 tag[ZFCP_DBF_TAG_SIZE]; - u8 tag2[ZFCP_DBF_TAG_SIZE]; - u32 scsi_id; - u32 scsi_lun; - u32 scsi_result; - u64 scsi_cmnd; -#define ZFCP_DBF_SCSI_OPCODE 16 - u8 scsi_opcode[ZFCP_DBF_SCSI_OPCODE]; - u8 scsi_retries; - u8 scsi_allowed; - u64 fsf_reqid; - u32 fsf_seqno; - u64 fsf_issued; - u64 old_fsf_reqid; - u8 rsp_validity; - u8 rsp_scsi_status; - u32 rsp_resid; - u8 rsp_code; -#define ZFCP_DBF_SCSI_FCP_SNS_INFO 16 -#define ZFCP_DBF_SCSI_MAX_FCP_SNS_INFO 256 - u32 sns_info_len; - u8 sns_info[ZFCP_DBF_SCSI_FCP_SNS_INFO]; -} __attribute__ ((packed)); - struct zfcp_dbf { debug_info_t *pay; debug_info_t *rec; @@ -246,7 +254,7 @@ struct zfcp_dbf { struct zfcp_dbf_rec rec_buf; struct zfcp_dbf_hba hba_buf; struct zfcp_dbf_san san_buf; - struct zfcp_dbf_scsi_record scsi_buf; + struct zfcp_dbf_scsi scsi_buf; struct zfcp_dbf_pay pay_buf; struct zfcp_adapter *adapter; }; @@ -260,7 +268,7 @@ void zfcp_dbf_hba_fsf_resp(char *tag, int level, struct zfcp_fsf_req *req) /** * zfcp_dbf_hba_fsf_response - trace event for request completion - * @fsf_req: request that has been completed + * @req: request that has been completed */ static inline void zfcp_dbf_hba_fsf_response(struct zfcp_fsf_req *req) @@ -287,57 +295,53 @@ void zfcp_dbf_hba_fsf_response(struct zfcp_fsf_req *req) } static inline -void zfcp_dbf_scsi(const char *tag, const char *tag2, int level, - struct zfcp_dbf *dbf, struct scsi_cmnd *scmd, - struct zfcp_fsf_req *req, unsigned long old_id) +void _zfcp_dbf_scsi(char *tag, int level, struct scsi_cmnd *scmd, + struct zfcp_fsf_req *req) { - if (level <= dbf->scsi->level) - _zfcp_dbf_scsi(tag, tag2, level, dbf, scmd, req, old_id); + struct zfcp_adapter *adapter = (struct zfcp_adapter *) + scmd->device->host->hostdata[0]; + + if (level <= adapter->dbf->scsi->level) + zfcp_dbf_scsi(tag, scmd, req); } /** * zfcp_dbf_scsi_result - trace event for SCSI command completion - * @dbf: adapter dbf trace * @scmd: SCSI command pointer * @req: FSF request used to issue SCSI command */ static inline -void zfcp_dbf_scsi_result(struct zfcp_dbf *dbf, struct scsi_cmnd *scmd, - struct zfcp_fsf_req *req) +void zfcp_dbf_scsi_result(struct scsi_cmnd *scmd, struct zfcp_fsf_req *req) { if (scmd->result != 0) - zfcp_dbf_scsi("rslt", "erro", 3, dbf, scmd, req, 0); + _zfcp_dbf_scsi("rsl_err", 3, scmd, req); else if (scmd->retries > 0) - zfcp_dbf_scsi("rslt", "retr", 4, dbf, scmd, req, 0); + _zfcp_dbf_scsi("rsl_ret", 4, scmd, req); else - zfcp_dbf_scsi("rslt", "norm", 6, dbf, scmd, req, 0); + _zfcp_dbf_scsi("rsl_nor", 6, scmd, req); } /** * zfcp_dbf_scsi_fail_send - trace event for failure to send SCSI command - * @dbf: adapter dbf trace * @scmd: SCSI command pointer */ static inline -void zfcp_dbf_scsi_fail_send(struct zfcp_dbf *dbf, struct scsi_cmnd *scmd) +void zfcp_dbf_scsi_fail_send(struct scsi_cmnd *scmd) { - zfcp_dbf_scsi("rslt", "fail", 4, dbf, scmd, NULL, 0); + _zfcp_dbf_scsi("rsl_fai", 4, scmd, NULL); } /** * zfcp_dbf_scsi_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 + * @fsf_req: request containing abort (might be NULL) */ static inline -void zfcp_dbf_scsi_abort(const char *tag, struct zfcp_dbf *dbf, - struct scsi_cmnd *scmd, struct zfcp_fsf_req *new_req, - unsigned long old_id) +void zfcp_dbf_scsi_abort(char *tag, struct scsi_cmnd *scmd, + struct zfcp_fsf_req *fsf_req) { - zfcp_dbf_scsi("abrt", tag, 1, dbf, scmd, new_req, old_id); + _zfcp_dbf_scsi(tag, 1, scmd, fsf_req); } /** @@ -347,12 +351,17 @@ void zfcp_dbf_scsi_abort(const char *tag, struct zfcp_dbf *dbf, * @flag: indicates type of reset (Target Reset, Logical Unit Reset) */ static inline -void zfcp_dbf_scsi_devreset(const char *tag, struct scsi_cmnd *scmnd, u8 flag) +void zfcp_dbf_scsi_devreset(char *tag, struct scsi_cmnd *scmnd, u8 flag) { - struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(scmnd->device); + char tmp_tag[ZFCP_DBF_TAG_LEN]; + + if (flag == FCP_TMF_TGT_RESET) + memcpy(tmp_tag, "tr_", 3); + else + memcpy(tmp_tag, "lr_", 3); - zfcp_dbf_scsi(flag == FCP_TMF_TGT_RESET ? "trst" : "lrst", tag, 1, - zfcp_sdev->port->adapter->dbf, scmnd, NULL, 0); + memcpy(&tmp_tag[3], tag, 4); + _zfcp_dbf_scsi(tmp_tag, 1, scmnd, NULL); } #endif /* ZFCP_DBF_H */ |