void zfcp_dbf_hba_fsf_res(char *tag, struct zfcp_fsf_req *req)
{
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));
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, 1, rec, sizeof(*rec));
spin_unlock_irqrestore(&dbf->hba_lock, flags);
}
/**
* 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, int level, struct scsi_cmnd *sc,
struct zfcp_fsf_req *fsf)
{
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;
unsigned long flags;
spin_lock_irqsave(&dbf->scsi_lock, flags);
memset(rec, 0, sizeof(*rec));
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 = (u32)sc->device->lun;
rec->scsi_lun_64_hi = (u32)(sc->device->lun >> 32);
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;
rec->pl_len = FCP_RESP_WITH_EXT;
fcp_rsp = &(fsf->qtcb->bottom.io.fcp_rsp.iu);
/* mandatory parts of FCP_RSP IU in this SCSI record */
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;
rec->pl_len += be32_to_cpu(fcp_rsp->ext.fr_rsp_len);
}
if (fcp_rsp->resp.fr_flags & FCP_SNS_LEN_VAL) {
rec->pl_len += be32_to_cpu(fcp_rsp->ext.fr_sns_len);
}
/* complete FCP_RSP IU in associated PAYload record
* but only if there are optional parts
*/
if (fcp_rsp->resp.fr_flags != 0)
zfcp_dbf_pl_write(
dbf, fcp_rsp,
/* at least one full PAY record
* but not beyond hardware response field
*/
min_t(u16, max_t(u16, rec->pl_len,
ZFCP_DBF_PAY_MAX_REC),
FSF_FCP_RSP_SIZE),
"fcp_riu", fsf->req_id);
}
debug_event(dbf->scsi, level, rec, sizeof(*rec));
spin_unlock_irqrestore(&dbf->scsi_lock, flags);
}
/**
* 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, int level, struct scsi_cmnd *sc,
struct zfcp_fsf_req *fsf)
{
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;
unsigned long flags;
spin_lock_irqsave(&dbf->scsi_lock, flags);
memset(rec, 0, sizeof(*rec));
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;
/* struct zfcp_dbf_scsi needs to be updated to handle 64bit LUNs */
rec->scsi_lun = (u32)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);
}
}
debug_event(dbf->scsi, level, rec, sizeof(*rec));
spin_unlock_irqrestore(&dbf->scsi_lock, flags);
}
/**
* 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_fsf_uss(char *tag, struct zfcp_fsf_req *req)
{
struct zfcp_dbf *dbf = req->adapter->dbf;
struct fsf_status_read_buffer *srb = req->data;
struct zfcp_dbf_hba *rec = &dbf->hba_buf;
static int const level = 2;
unsigned long flags;
if (unlikely(!debug_level_enabled(dbf->hba, level)))
return;
spin_lock_irqsave(&dbf->hba_lock, flags);
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, level, rec, sizeof(*rec));
spin_unlock_irqrestore(&dbf->hba_lock, flags);
}
