[SCSI] lpfc 8.3.28: Add support for ABTS failure handling
Add support for ABTS failure handling:
- Add asynchronous ABTS notification event feature to driver (CR 124578)
- Change driver message 3092 and 3116 to KERN_WARNING (CR 124768)
- Alter the SCR ELS command to use the temporary RPI and the
Destination DID for SLI4-FC (CR 126070)
Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index cf4408f..99c7667 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -5352,6 +5352,73 @@
return ndlp;
}
+/*
+ * This routine looks up the ndlp lists for the given RPI. If the rpi
+ * is found, the routine returns the node element list pointer else
+ * return NULL.
+ */
+struct lpfc_nodelist *
+lpfc_findnode_rpi(struct lpfc_vport *vport, uint16_t rpi)
+{
+ struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
+ struct lpfc_nodelist *ndlp;
+
+ spin_lock_irq(shost->host_lock);
+ ndlp = __lpfc_findnode_rpi(vport, rpi);
+ spin_unlock_irq(shost->host_lock);
+ return ndlp;
+}
+
+/**
+ * lpfc_find_vport_by_vpid - Find a vport on a HBA through vport identifier
+ * @phba: pointer to lpfc hba data structure.
+ * @vpi: the physical host virtual N_Port identifier.
+ *
+ * This routine finds a vport on a HBA (referred by @phba) through a
+ * @vpi. The function walks the HBA's vport list and returns the address
+ * of the vport with the matching @vpi.
+ *
+ * Return code
+ * NULL - No vport with the matching @vpi found
+ * Otherwise - Address to the vport with the matching @vpi.
+ **/
+struct lpfc_vport *
+lpfc_find_vport_by_vpid(struct lpfc_hba *phba, uint16_t vpi)
+{
+ struct lpfc_vport *vport;
+ unsigned long flags;
+ int i = 0;
+
+ /* The physical ports are always vpi 0 - translate is unnecessary. */
+ if (vpi > 0) {
+ /*
+ * Translate the physical vpi to the logical vpi. The
+ * vport stores the logical vpi.
+ */
+ for (i = 0; i < phba->max_vpi; i++) {
+ if (vpi == phba->vpi_ids[i])
+ break;
+ }
+
+ if (i >= phba->max_vpi) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
+ "2936 Could not find Vport mapped "
+ "to vpi %d\n", vpi);
+ return NULL;
+ }
+ }
+
+ spin_lock_irqsave(&phba->hbalock, flags);
+ list_for_each_entry(vport, &phba->port_list, listentry) {
+ if (vport->vpi == i) {
+ spin_unlock_irqrestore(&phba->hbalock, flags);
+ return vport;
+ }
+ }
+ spin_unlock_irqrestore(&phba->hbalock, flags);
+ return NULL;
+}
+
void
lpfc_nlp_init(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
uint32_t did)