1 files changed, 60 insertions, 15 deletions

diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c
index fca48b88fc53..060f5f2352ec 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;
@@ -519,14 +565,14 @@ static const char *zfcp_rec_dbf_ids[] = {
         [75]    = "physical port recovery escalation after failed port "
                   "recovery",
         [76]    = "port recovery escalation after failed unit recovery",
-        [77]    = "recovery opening nameserver port",
+        [77]    = "",
         [78]    = "duplicate request id",
         [79]    = "link down",
         [80]    = "exclusive read-only unit access unsupported",
         [81]    = "shared read-write unit access unsupported",
         [82]    = "incoming rscn",
         [83]    = "incoming wwpn",
-        [84]    = "",
+        [84]    = "wka port handle not valid close port",
         [85]    = "online",
         [86]    = "offline",
         [87]    = "ccw device gone",
@@ -570,7 +616,7 @@ static const char *zfcp_rec_dbf_ids[] = {
         [125]   = "need newer zfcp",
         [126]   = "need newer microcode",
         [127]   = "arbitrated loop not supported",
-        [128]   = "unknown topology",
+        [128]   = "",
         [129]   = "qtcb size mismatch",
         [130]   = "unknown fsf status ecd",
         [131]   = "fcp request too big",
@@ -829,9 +875,9 @@ void zfcp_rec_dbf_event_action(u8 id2, struct zfcp_erp_action *erp_action)
 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;
-        struct zfcp_port *port = ct->port;
-        struct zfcp_adapter *adapter = port->adapter;
-        struct ct_hdr *hdr = zfcp_sg_to_address(ct->req);
+        struct zfcp_wka_port *wka_port = ct->wka_port;
+        struct zfcp_adapter *adapter = wka_port->adapter;
+        struct ct_hdr *hdr = sg_virt(ct->req);
         struct zfcp_san_dbf_record *r = &adapter->san_dbf_buf;
         struct zfcp_san_dbf_record_ct_request *oct = &r->u.ct_req;
         unsigned long flags;
@@ -842,7 +888,7 @@ void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *fsf_req)
         r->fsf_reqid = (unsigned long)fsf_req;
         r->fsf_seqno = fsf_req->seq_no;
         r->s_id = fc_host_port_id(adapter->scsi_host);
-        r->d_id = port->d_id;
+        r->d_id = wka_port->d_id;
         oct->cmd_req_code = hdr->cmd_rsp_code;
         oct->revision = hdr->revision;
         oct->gs_type = hdr->gs_type;
@@ -863,9 +909,9 @@ void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *fsf_req)
 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;
-        struct zfcp_port *port = ct->port;
-        struct zfcp_adapter *adapter = port->adapter;
-        struct ct_hdr *hdr = zfcp_sg_to_address(ct->resp);
+        struct zfcp_wka_port *wka_port = ct->wka_port;
+        struct zfcp_adapter *adapter = wka_port->adapter;
+        struct ct_hdr *hdr = sg_virt(ct->resp);
         struct zfcp_san_dbf_record *r = &adapter->san_dbf_buf;
         struct zfcp_san_dbf_record_ct_response *rct = &r->u.ct_resp;
         unsigned long flags;
@@ -875,7 +921,7 @@ void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *fsf_req)
         strncpy(r->tag, "rctc", ZFCP_DBF_TAG_SIZE);
         r->fsf_reqid = (unsigned long)fsf_req;
         r->fsf_seqno = fsf_req->seq_no;
-        r->s_id = port->d_id;
+        r->s_id = wka_port->d_id;
         r->d_id = fc_host_port_id(adapter->scsi_host);
         rct->cmd_rsp_code = hdr->cmd_rsp_code;
         rct->revision = hdr->revision;
@@ -922,8 +968,8 @@ void zfcp_san_dbf_event_els_request(struct zfcp_fsf_req *fsf_req)
 
         zfcp_san_dbf_event_els("oels", 2, fsf_req,
                                fc_host_port_id(els->adapter->scsi_host),
-                               els->d_id, *(u8 *) zfcp_sg_to_address(els->req),
-                               zfcp_sg_to_address(els->req), els->req->length);
+                               els->d_id, *(u8 *) sg_virt(els->req),
+                               sg_virt(els->req), els->req->length);
 }
 
 /**
@@ -936,8 +982,7 @@ void zfcp_san_dbf_event_els_response(struct zfcp_fsf_req *fsf_req)
 
         zfcp_san_dbf_event_els("rels", 2, fsf_req, els->d_id,
                                fc_host_port_id(els->adapter->scsi_host),
-                               *(u8 *)zfcp_sg_to_address(els->req),
-                               zfcp_sg_to_address(els->resp),
+                               *(u8 *)sg_virt(els->req), sg_virt(els->resp),
                                els->resp->length);
 }