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 <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Martin K. Petersen <[email protected]>

Author: Justin Tee

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",

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 */