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author | Swen Schillig <swen@vnet.ibm.com> | 2008-10-01 12:42:21 +0200 |
---|---|---|
committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2008-10-03 19:11:55 +0200 |
commit | 57069386699994c3e67042fc4928c418f3a39e01 (patch) | |
tree | 1308fe671e7440597622e4056508a244bb13929b /drivers/s390/scsi/zfcp_dbf.c | |
parent | [SCSI] zfcp: Simplify zfcp data structures (diff) | |
download | linux-57069386699994c3e67042fc4928c418f3a39e01.tar.xz linux-57069386699994c3e67042fc4928c418f3a39e01.zip |
[SCSI] zfcp: put threshold data in hba trace
Now that we removed the long messages for the bit error threshold
data, put the data in the hba trace. This way, we get a short warning
for the threshold event from the hardware and have the data in the
trace for further analysis.
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@HansenPartnership.com>
Diffstat (limited to 'drivers/s390/scsi/zfcp_dbf.c')
-rw-r--r-- | drivers/s390/scsi/zfcp_dbf.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c index c1f69f611e69..9c9f9cfcd46d 100644 --- a/drivers/s390/scsi/zfcp_dbf.c +++ b/drivers/s390/scsi/zfcp_dbf.c @@ -318,6 +318,26 @@ void zfcp_hba_dbf_event_qdio(struct zfcp_adapter *adapter, spin_unlock_irqrestore(&adapter->hba_dbf_lock, flags); } +/** + * zfcp_hba_dbf_event_berr - trace event for bit error threshold + * @adapter: adapter affected by this QDIO related event + * @req: fsf request + */ +void zfcp_hba_dbf_event_berr(struct zfcp_adapter *adapter, + struct zfcp_fsf_req *req) +{ + struct zfcp_hba_dbf_record *r = &adapter->hba_dbf_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(&adapter->hba_dbf_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(adapter->hba_dbf, 0, r, sizeof(*r)); + spin_unlock_irqrestore(&adapter->hba_dbf_lock, flags); +} static void zfcp_hba_dbf_view_response(char **p, struct zfcp_hba_dbf_record_response *r) { @@ -399,6 +419,30 @@ static void zfcp_hba_dbf_view_qdio(char **p, struct zfcp_hba_dbf_record_qdio *r) zfcp_dbf_out(p, "sbal_count", "0x%02x", r->sbal_count); } +static void zfcp_hba_dbf_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_hba_dbf_view_format(debug_info_t *id, struct debug_view *view, char *out_buf, const char *in_buf) { @@ -418,6 +462,8 @@ static int zfcp_hba_dbf_view_format(debug_info_t *id, struct debug_view *view, zfcp_hba_dbf_view_status(&p, &r->u.status); else if (strncmp(r->tag, "qdio", ZFCP_DBF_TAG_SIZE) == 0) zfcp_hba_dbf_view_qdio(&p, &r->u.qdio); + else if (strncmp(r->tag, "berr", ZFCP_DBF_TAG_SIZE) == 0) + zfcp_hba_dbf_view_berr(&p, &r->u.berr); p += sprintf(p, "\n"); return p - out_buf; |