[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, 26 insertions, 17 deletions

diff --git a/drivers/scsi/bfa/bfad_attr.c b/drivers/scsi/bfa/bfad_attr.c
index e477bfbfa7d8..871a30363560 100644
--- a/drivers/scsi/bfa/bfad_attr.c
+++ b/drivers/scsi/bfa/bfad_attr.c
@@ -373,47 +373,53 @@ bfad_im_vport_create(struct fc_vport *fc_vport, bool disable)
 		(struct bfad_im_port_s *) shost->hostdata[0];
 	struct bfad_s *bfad = im_port->bfad;
 	struct bfa_port_cfg_s port_cfg;
+	struct bfad_pcfg_s *pcfg;
 	int status = 0, rc;
 	unsigned long flags;
 
 	memset(&port_cfg, 0, sizeof(port_cfg));
-
-	port_cfg.pwwn = wwn_to_u64((u8 *) &fc_vport->port_name);
-	port_cfg.nwwn = wwn_to_u64((u8 *) &fc_vport->node_name);
-
+	u64_to_wwn(fc_vport->node_name, (u8 *)&port_cfg.nwwn);
+	u64_to_wwn(fc_vport->port_name, (u8 *)&port_cfg.pwwn);
 	if (strlen(vname) > 0)
 		strcpy((char *)&port_cfg.sym_name, vname);
-
 	port_cfg.roles = BFA_PORT_ROLE_FCP_IM;
-	rc = bfad_vport_create(bfad, 0, &port_cfg, &fc_vport->dev);
 
+	spin_lock_irqsave(&bfad->bfad_lock, flags);
+	list_for_each_entry(pcfg, &bfad->pbc_pcfg_list, list_entry) {
+		if (port_cfg.pwwn == pcfg->port_cfg.pwwn) {
+			port_cfg.preboot_vp = pcfg->port_cfg.preboot_vp;
+			break;
+		}
+	}
+	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+
+	rc = bfad_vport_create(bfad, 0, &port_cfg, &fc_vport->dev);
 	if (rc == BFA_STATUS_OK) {
-		struct bfad_vport_s   *vport;
+		struct bfad_vport_s *vport;
 		struct bfa_fcs_vport_s *fcs_vport;
 		struct Scsi_Host *vshost;
 
 		spin_lock_irqsave(&bfad->bfad_lock, flags);
 		fcs_vport = bfa_fcs_vport_lookup(&bfad->bfa_fcs, 0,
 					port_cfg.pwwn);
-		if (fcs_vport == NULL) {
-			spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+		spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+		if (fcs_vport == NULL)
 			return VPCERR_BAD_WWN;
-		}
 
 		fc_vport_set_state(fc_vport, FC_VPORT_ACTIVE);
 		if (disable) {
+			spin_lock_irqsave(&bfad->bfad_lock, flags);
 			bfa_fcs_vport_stop(fcs_vport);
+			spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 			fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
 		}
-		spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 
 		vport = fcs_vport->vport_drv;
 		vshost = vport->drv_port.im_port->shost;
-		fc_host_node_name(vshost) = wwn_to_u64((u8 *) &port_cfg.nwwn);
-		fc_host_port_name(vshost) = wwn_to_u64((u8 *) &port_cfg.pwwn);
+		fc_host_node_name(vshost) = wwn_to_u64((u8 *)&port_cfg.nwwn);
+		fc_host_port_name(vshost) = wwn_to_u64((u8 *)&port_cfg.pwwn);
 		fc_vport->dd_data = vport;
 		vport->drv_port.im_port->fc_vport = fc_vport;
-
 	} else if (rc == BFA_STATUS_INVALID_WWN)
 		return VPCERR_BAD_WWN;
 	else if (rc == BFA_STATUS_VPORT_EXISTS)
@@ -422,7 +428,7 @@ bfad_im_vport_create(struct fc_vport *fc_vport, bool disable)
 		return VPCERR_NO_FABRIC_SUPP;
 	else if (rc == BFA_STATUS_VPORT_WWN_BP)
 		return VPCERR_BAD_WWN;
-	 else
+	else
 		return FC_VPORT_FAILED;
 
 	return status;
@@ -449,7 +455,7 @@ bfad_im_vport_delete(struct fc_vport *fc_vport)
 	port = im_port->port;
 
 	vshost = vport->drv_port.im_port->shost;
-	pwwn = wwn_to_u64((u8 *) &fc_host_port_name(vshost));
+	u64_to_wwn(fc_host_port_name(vshost), (u8 *)&pwwn);
 
 	spin_lock_irqsave(&bfad->bfad_lock, flags);
 	fcs_vport = bfa_fcs_vport_lookup(&bfad->bfa_fcs, 0, pwwn);
@@ -467,6 +473,9 @@ bfad_im_vport_delete(struct fc_vport *fc_vport)
 	rc = bfa_fcs_vport_delete(&vport->fcs_vport);
 	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 
+	if (rc == BFA_STATUS_PBC)
+		return -1;
+
 	wait_for_completion(vport->comp_del);
 
 free_scsi_host:
@@ -490,7 +499,7 @@ bfad_im_vport_disable(struct fc_vport *fc_vport, bool disable)
 	vport = (struct bfad_vport_s *)fc_vport->dd_data;
 	bfad = vport->drv_port.bfad;
 	vshost = vport->drv_port.im_port->shost;
-	pwwn = wwn_to_u64((u8 *) &fc_vport->port_name);
+	u64_to_wwn(fc_host_port_name(vshost), (u8 *)&pwwn);
 
 	spin_lock_irqsave(&bfad->bfad_lock, flags);
 	fcs_vport = bfa_fcs_vport_lookup(&bfad->bfa_fcs, 0, pwwn);