aboutsummaryrefslogtreecommitdiff
path: root/drivers/s390/scsi/zfcp_dbf.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/s390/scsi/zfcp_dbf.c')
-rw-r--r--drivers/s390/scsi/zfcp_dbf.c126
1 files changed, 126 insertions, 0 deletions
diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c
index 5a4b1e9a8b5..2fcfe9bec55 100644
--- a/drivers/s390/scsi/zfcp_dbf.c
+++ b/drivers/s390/scsi/zfcp_dbf.c
@@ -522,6 +522,7 @@ static struct debug_view zfcp_hba_dbf_view = {
static const char *zfcp_rec_dbf_tags[] = {
[ZFCP_REC_DBF_ID_THREAD] = "thread",
+ [ZFCP_REC_DBF_ID_TARGET] = "target",
};
static const char *zfcp_rec_dbf_ids[] = {
@@ -534,6 +535,58 @@ static const char *zfcp_rec_dbf_ids[] = {
[7] = "down wakeup ecd",
[8] = "down sleep epd",
[9] = "down wakeup epd",
+ [10] = "online",
+ [11] = "operational",
+ [12] = "scsi slave destroy",
+ [13] = "propagate failed adapter",
+ [14] = "propagate failed port",
+ [15] = "block adapter",
+ [16] = "unblock adapter",
+ [17] = "block port",
+ [18] = "unblock port",
+ [19] = "block unit",
+ [20] = "unblock unit",
+ [21] = "unit recovery failed",
+ [22] = "port recovery failed",
+ [23] = "adapter recovery failed",
+ [24] = "qdio queues down",
+ [25] = "p2p failed",
+ [26] = "nameserver lookup failed",
+ [27] = "nameserver port failed",
+ [28] = "link up",
+ [29] = "link down",
+ [30] = "link up status read",
+ [31] = "open port failed",
+ [32] = "open port failed",
+ [33] = "close port",
+ [34] = "open unit failed",
+ [35] = "exclusive open unit failed",
+ [36] = "shared open unit failed",
+ [37] = "link down",
+ [38] = "link down status read no link",
+ [39] = "link down status read fdisc login",
+ [40] = "link down status read firmware update",
+ [41] = "link down status read unknown reason",
+ [42] = "link down ecd incomplete",
+ [43] = "link down epd incomplete",
+ [44] = "sysfs adapter recovery",
+ [45] = "sysfs port recovery",
+ [46] = "sysfs unit recovery",
+ [47] = "port boxed abort",
+ [48] = "unit boxed abort",
+ [49] = "port boxed ct",
+ [50] = "port boxed close physical",
+ [51] = "port boxed open unit",
+ [52] = "port boxed close unit",
+ [53] = "port boxed fcp",
+ [54] = "unit boxed fcp",
+ [55] = "port access denied ct",
+ [56] = "port access denied els",
+ [57] = "port access denied open port",
+ [58] = "port access denied close physical",
+ [59] = "unit access denied open unit",
+ [60] = "shared unit access denied open unit",
+ [61] = "unit access denied fcp",
};
static int zfcp_rec_dbf_view_format(debug_info_t *id, struct debug_view *view,
@@ -552,6 +605,14 @@ static int zfcp_rec_dbf_view_format(debug_info_t *id, struct debug_view *view,
zfcp_dbf_out(&p, "ready", "%d", r->u.thread.ready);
zfcp_dbf_out(&p, "running", "%d", r->u.thread.running);
break;
+ case ZFCP_REC_DBF_ID_TARGET:
+ zfcp_dbf_out(&p, "reference", "0x%016Lx", r->u.target.ref);
+ zfcp_dbf_out(&p, "status", "0x%08x", r->u.target.status);
+ zfcp_dbf_out(&p, "erp_count", "%d", r->u.target.erp_count);
+ zfcp_dbf_out(&p, "d_id", "0x%06x", r->u.target.d_id);
+ zfcp_dbf_out(&p, "wwpn", "0x%016Lx", r->u.target.wwpn);
+ zfcp_dbf_out(&p, "fcp_lun", "0x%016Lx", r->u.target.fcp_lun);
+ break;
}
sprintf(p, "\n");
return (p - buf) + 1;
@@ -601,6 +662,71 @@ void zfcp_rec_dbf_event_thread(u8 id2, struct zfcp_adapter *adapter, int lock)
spin_unlock_irqrestore(&adapter->rec_dbf_lock, flags);
}
+static void zfcp_rec_dbf_event_target(u8 id2, u64 ref,
+ struct zfcp_adapter *adapter,
+ atomic_t *status, atomic_t *erp_count,
+ u64 wwpn, u32 d_id, u64 fcp_lun)
+{
+ struct zfcp_rec_dbf_record *r = &adapter->rec_dbf_buf;
+ unsigned long flags;
+
+ spin_lock_irqsave(&adapter->rec_dbf_lock, flags);
+ memset(r, 0, sizeof(*r));
+ r->id = ZFCP_REC_DBF_ID_TARGET;
+ r->id2 = id2;
+ r->u.target.ref = ref;
+ r->u.target.status = atomic_read(status);
+ r->u.target.wwpn = wwpn;
+ r->u.target.d_id = d_id;
+ r->u.target.fcp_lun = fcp_lun;
+ r->u.target.erp_count = atomic_read(erp_count);
+ debug_event(adapter->rec_dbf, 3, r, sizeof(*r));
+ spin_unlock_irqrestore(&adapter->rec_dbf_lock, flags);
+}
+
+/**
+ * zfcp_rec_dbf_event_adapter - trace event for adapter state change
+ * @id: identifier for trigger of state change
+ * @ref: additional reference (e.g. request)
+ * @adapter: adapter
+ */
+void zfcp_rec_dbf_event_adapter(u8 id, u64 ref, struct zfcp_adapter *adapter)
+{
+ zfcp_rec_dbf_event_target(id, ref, adapter, &adapter->status,
+ &adapter->erp_counter, 0, 0, 0);
+}
+
+/**
+ * zfcp_rec_dbf_event_port - trace event for port state change
+ * @id: identifier for trigger of state change
+ * @ref: additional reference (e.g. request)
+ * @port: port
+ */
+void zfcp_rec_dbf_event_port(u8 id, u64 ref, struct zfcp_port *port)
+{
+ struct zfcp_adapter *adapter = port->adapter;
+
+ zfcp_rec_dbf_event_target(id, ref, adapter, &port->status,
+ &port->erp_counter, port->wwpn, port->d_id,
+ 0);
+}
+
+/**
+ * zfcp_rec_dbf_event_unit - trace event for unit state change
+ * @id: identifier for trigger of state change
+ * @ref: additional reference (e.g. request)
+ * @unit: unit
+ */
+void zfcp_rec_dbf_event_unit(u8 id, u64 ref, struct zfcp_unit *unit)
+{
+ struct zfcp_port *port = unit->port;
+ struct zfcp_adapter *adapter = port->adapter;
+
+ zfcp_rec_dbf_event_target(id, ref, adapter, &unit->status,
+ &unit->erp_counter, port->wwpn, port->d_id,
+ unit->fcp_lun);
+}
+
static void
_zfcp_san_dbf_event_common_ct(const char *tag, struct zfcp_fsf_req *fsf_req,
u32 s_id, u32 d_id, void *buffer, int buflen)