scsi: lpfc: Introduce LOG_NODE_VERBOSE messaging flag

The preexisting LOG_NODE message flag frequently spams a subset of the same
log messages during normal FC driver operations.  When analyzing driver
logs, this sometimes leads to difficulty in troubleshooting.

Because LOG_IP log message flag is unused, convert it to a new
LOG_NODE_VERBOSE flag.  The LOG_NODE_VERBOSE shall specifically be used for
diagnosing issues that require precise ndlp tracking detail.

Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20231009161812.97232-6-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 51afb60..36de8cc 100644 (file)
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -5653,7 +5653,7 @@ __lpfc_findnode_did(struct lpfc_vport *vport, uint32_t did)
                                 ((uint32_t)ndlp->nlp_xri << 16) |
                                 ((uint32_t)ndlp->nlp_type << 8)
                                 );
-                       lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE,
+                       lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE_VERBOSE,
                                         "0929 FIND node DID "
                                         "Data: x%px x%x x%x x%x x%x x%px\n",
                                         ndlp, ndlp->nlp_DID,
@@ -5700,8 +5700,8 @@ lpfc_findnode_mapped(struct lpfc_vport *vport)
                                 ((uint32_t)ndlp->nlp_type << 8) |
                                 ((uint32_t)ndlp->nlp_rpi & 0xff));
                        spin_unlock_irqrestore(shost->host_lock, iflags);
-                       lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE,
-                                        "2025 FIND node DID "
+                       lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE_VERBOSE,
+                                        "2025 FIND node DID MAPPED "
                                         "Data: x%px x%x x%x x%x x%px\n",
                                         ndlp, ndlp->nlp_DID,
                                         ndlp->nlp_flag, data1,
@@ -6467,7 +6467,7 @@ __lpfc_find_node(struct lpfc_vport *vport, node_filter filter, void *param)
 
        list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
                if (filter(ndlp, param)) {
-                       lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE,
+                       lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE_VERBOSE,
                                         "3185 FIND node filter %ps DID "
                                         "ndlp x%px did x%x flg x%x st x%x "
                                         "xri x%x type x%x rpi x%x\n",

diff --git a/drivers/scsi/lpfc/lpfc_logmsg.h b/drivers/scsi/lpfc/lpfc_logmsg.h
index f896ec6..59bd2ba 100644 (file)
--- a/drivers/scsi/lpfc/lpfc_logmsg.h
+++ b/drivers/scsi/lpfc/lpfc_logmsg.h
@@ -25,7 +25,7 @@
 #define LOG_MBOX       0x00000004      /* Mailbox events */
 #define LOG_INIT       0x00000008      /* Initialization events */
 #define LOG_LINK_EVENT 0x00000010      /* Link events */
-#define LOG_IP         0x00000020      /* IP traffic history */
+#define LOG_NODE_VERBOSE 0x00000020    /* Node verbose events */
 #define LOG_FCP                0x00000040      /* FCP traffic history */
 #define LOG_NODE       0x00000080      /* Node table events */
 #define LOG_TEMP       0x00000100      /* Temperature sensor events */