lpfc_sli4_bsg_set_link_diag_state
rc = lpfc_sli4_bsg_set_link_diag_state(phba, 1);
rc = lpfc_sli4_bsg_set_link_diag_state(phba, 0);
rc = lpfc_sli4_bsg_set_link_diag_state(phba, 1);
rc1 = lpfc_sli4_bsg_set_link_diag_state(phba, 0);