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authorJames Smart <jsmart2021@gmail.com>2019-05-15 00:58:05 +0300
committerChristoph Hellwig <hch@lst.de>2019-06-21 12:08:37 +0300
commitf60cb93bbfecf1ad13713af285c3793e861fc9b2 (patch)
treebeaa9ee1d4f3598f98ea0e0c396e8d9470a42163 /drivers/scsi/lpfc/lpfc_hbadisc.c
parent4cf7c363b41552d76331fcf1e7ce600c8deeddc3 (diff)
downloadlinux-f60cb93bbfecf1ad13713af285c3793e861fc9b2.tar.xz
lpfc: add support to generate RSCN events for nport
This patch adds general RSCN support: - The ability to transmit an RSCN to the port on the other end of the link (regular port if pt2pt, or fabric controller if fabric). - And general recognition of an RSCN ELS when an ELS is received. Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com> Signed-off-by: James Smart <jsmart2021@gmail.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Arun Easi <aeasi@marvell.com> Signed-off-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_hbadisc.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_hbadisc.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index c43852f97f25..28ecaa7fc715 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -5277,6 +5277,41 @@ lpfc_findnode_did(struct lpfc_vport *vport, uint32_t did)
}
struct lpfc_nodelist *
+lpfc_findnode_mapped(struct lpfc_vport *vport)
+{
+ struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
+ struct lpfc_nodelist *ndlp;
+ uint32_t data1;
+ unsigned long iflags;
+
+ spin_lock_irqsave(shost->host_lock, iflags);
+
+ list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
+ if (ndlp->nlp_state == NLP_STE_UNMAPPED_NODE ||
+ ndlp->nlp_state == NLP_STE_MAPPED_NODE) {
+ data1 = (((uint32_t)ndlp->nlp_state << 24) |
+ ((uint32_t)ndlp->nlp_xri << 16) |
+ ((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 "
+ "Data: x%p x%x x%x x%x %p\n",
+ ndlp, ndlp->nlp_DID,
+ ndlp->nlp_flag, data1,
+ ndlp->active_rrqs_xri_bitmap);
+ return ndlp;
+ }
+ }
+ spin_unlock_irqrestore(shost->host_lock, iflags);
+
+ /* FIND node did <did> NOT FOUND */
+ lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE,
+ "2026 FIND mapped did NOT FOUND.\n");
+ return NULL;
+}
+
+struct lpfc_nodelist *
lpfc_setup_disc_node(struct lpfc_vport *vport, uint32_t did)
{
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);