[SCSI] bfa: PBC vport create

This patch enables creating PBC vport.
During fcs init, fcs will read PBC vport using bfa iocfc API and invoke fcb
callback to add the pbc vport entries into a list. The pbc vport list will be
traversed in the subsequent pci probe process and vport will be created using
fc transport provided vport create function.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

1 files changed, 56 insertions, 5 deletions

diff --git a/drivers/scsi/bfa/bfad.c b/drivers/scsi/bfa/bfad.c
index 1b869add20b2..37f886d27922 100644
--- a/drivers/scsi/bfa/bfad.c
+++ b/drivers/scsi/bfa/bfad.c
@@ -322,7 +322,31 @@ ext:
 	return rc;
 }
 
+/**
+ * @brief
+ * FCS PBC VPORT Create
+ */
+void
+bfa_fcb_pbc_vport_create(struct bfad_s *bfad, struct bfi_pbc_vport_s pbc_vport)
+{
+
+	struct bfad_pcfg_s *pcfg;
+
+	pcfg = kzalloc(sizeof(struct bfad_pcfg_s), GFP_ATOMIC);
+	if (!pcfg) {
+		bfa_trc(bfad, 0);
+		return;
+	}
 
+	pcfg->port_cfg.roles = BFA_PORT_ROLE_FCP_IM;
+	pcfg->port_cfg.pwwn = pbc_vport.vp_pwwn;
+	pcfg->port_cfg.nwwn = pbc_vport.vp_nwwn;
+	pcfg->port_cfg.preboot_vp  = BFA_TRUE;
+
+	list_add_tail(&pcfg->list_entry, &bfad->pbc_pcfg_list);
+
+	return;
+}
 
 void
 bfad_hal_mem_release(struct bfad_s *bfad)
@@ -481,10 +505,10 @@ ext:
  */
 bfa_status_t
 bfad_vport_create(struct bfad_s *bfad, u16 vf_id,
-		  struct bfa_port_cfg_s *port_cfg, struct device *dev)
+			struct bfa_port_cfg_s *port_cfg, struct device *dev)
 {
 	struct bfad_vport_s *vport;
-	int             rc = BFA_STATUS_OK;
+	int rc = BFA_STATUS_OK;
 	unsigned long   flags;
 	struct completion fcomp;
 
@@ -496,8 +520,12 @@ bfad_vport_create(struct bfad_s *bfad, u16 vf_id,
 
 	vport->drv_port.bfad = bfad;
 	spin_lock_irqsave(&bfad->bfad_lock, flags);
-	rc = bfa_fcs_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, vf_id,
-				  port_cfg, vport);
+	if (port_cfg->preboot_vp == BFA_TRUE)
+		rc = bfa_fcs_pbc_vport_create(&vport->fcs_vport,
+				&bfad->bfa_fcs, vf_id, port_cfg, vport);
+	else
+		rc = bfa_fcs_vport_create(&vport->fcs_vport,
+				&bfad->bfa_fcs, vf_id, port_cfg, vport);
 	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 
 	if (rc != BFA_STATUS_OK)
@@ -884,6 +912,7 @@ bfa_status_t
 bfad_start_ops(struct bfad_s *bfad)
 {
 	int retval;
+	struct bfad_pcfg_s *pcfg, *pcfg_new;
 
 	/* PPORT FCS config */
 	bfad_fcs_port_cfg(bfad);
@@ -901,6 +930,27 @@ bfad_start_ops(struct bfad_s *bfad)
 
 	bfad_drv_start(bfad);
 
+	/* pbc vport creation */
+	list_for_each_entry_safe(pcfg, pcfg_new,  &bfad->pbc_pcfg_list,
+					list_entry) {
+		struct fc_vport_identifiers vid;
+		struct fc_vport *fc_vport;
+
+		memset(&vid, 0, sizeof(vid));
+		vid.roles = FC_PORT_ROLE_FCP_INITIATOR;
+		vid.vport_type = FC_PORTTYPE_NPIV;
+		vid.disable = false;
+		vid.node_name = wwn_to_u64((u8 *)&pcfg->port_cfg.nwwn);
+		vid.port_name = wwn_to_u64((u8 *)&pcfg->port_cfg.pwwn);
+		fc_vport = fc_vport_create(bfad->pport.im_port->shost, 0, &vid);
+		if (!fc_vport)
+			printk(KERN_WARNING "bfad%d: failed to create pbc vport"
+				" %llx\n", bfad->inst_no, vid.port_name);
+		list_del(&pcfg->list_entry);
+		kfree(pcfg);
+
+	}
+
 	/*
 	 * If bfa_linkup_delay is set to -1 default; try to retrive the
 	 * value using the bfad_os_get_linkup_delay(); else use the
@@ -928,7 +978,7 @@ out_cfg_pport_failure:
 }
 
 int
-bfad_worker (void *ptr)
+bfad_worker(void *ptr)
 {
 	struct bfad_s *bfad;
 	unsigned long   flags;
@@ -1031,6 +1081,7 @@ bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid)
 
 	bfad->ref_count = 0;
 	bfad->pport.bfad = bfad;
+	INIT_LIST_HEAD(&bfad->pbc_pcfg_list);
 
 	bfad->bfad_tsk = kthread_create(bfad_worker, (void *) bfad, "%s",
 					"bfad_worker");