[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, 45 insertions, 0 deletions

diff --git a/drivers/scsi/bfa/vport.c b/drivers/scsi/bfa/vport.c
index 27cd619a227a..f14e9f2d2c30 100644
--- a/drivers/scsi/bfa/vport.c
+++ b/drivers/scsi/bfa/vport.c
@@ -594,6 +594,15 @@ bfa_fcs_vport_cleanup(struct bfa_fcs_vport_s *vport)
 }
 
 /**
+ * delete notification from fabric SM. To be invoked from within FCS.
+ */
+void
+bfa_fcs_vport_fcs_delete(struct bfa_fcs_vport_s *vport)
+{
+        bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE);
+}
+
+/**
  * Delete completion callback from associated lport
  */
 void
@@ -646,6 +655,7 @@ bfa_fcs_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
                 return BFA_STATUS_VPORT_MAX;
 
         vport->vport_drv = vport_drv;
+        vport_cfg->preboot_vp = BFA_FALSE;
         bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
 
         bfa_fcs_lport_attach(&vport->lport, fcs, vf_id, vport);
@@ -657,6 +667,36 @@ bfa_fcs_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
 }
 
 /**
+ *      Use this function to instantiate a new FCS PBC vport object. This
+ *      function will not trigger any HW initialization process (which will be
+ *      done in vport_start() call)
+ *
+ *      param[in] vport        -       pointer to bfa_fcs_vport_t. This space
+ *                                      needs to be allocated by the driver.
+ *      param[in] fcs          -       FCS instance
+ *      param[in] vport_cfg    -       vport configuration
+ *      param[in] vf_id        -       VF_ID if vport is created within a VF.
+ *                                      FC_VF_ID_NULL to specify base fabric.
+ *      param[in] vport_drv    -       Opaque handle back to the driver's vport
+ *                                      structure
+ *
+ *      retval BFA_STATUS_OK - on success.
+ *      retval BFA_STATUS_FAILED - on failure.
+ */
+bfa_status_t
+bfa_fcs_pbc_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
+                        uint16_t vf_id, struct bfa_port_cfg_s *vport_cfg,
+                        struct bfad_vport_s *vport_drv)
+{
+        bfa_status_t rc;
+
+        rc = bfa_fcs_vport_create(vport, fcs, vf_id, vport_cfg, vport_drv);
+        vport->lport.port_cfg.preboot_vp = BFA_TRUE;
+
+        return rc;
+}
+
+/**
  *      Use this function initialize the vport.
  *
  *  @param[in] vport - pointer to bfa_fcs_vport_t.
@@ -692,6 +732,8 @@ bfa_fcs_vport_stop(struct bfa_fcs_vport_s *vport)
  *      Use this function to delete a vport object. Fabric object should
  *              be stopped before this function call.
  *
+ *      Donot invoke this from within FCS
+ *
  *      param[in] vport - pointer to bfa_fcs_vport_t.
  *
  *      return     None
@@ -699,6 +741,9 @@ bfa_fcs_vport_stop(struct bfa_fcs_vport_s *vport)
 bfa_status_t
 bfa_fcs_vport_delete(struct bfa_fcs_vport_s *vport)
 {
+        if (vport->lport.port_cfg.preboot_vp)
+                return BFA_STATUS_PBC;
+
         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE);
 
         return BFA_STATUS_OK;