lpfc_scsi_prep_dma_buf
int (*lpfc_scsi_prep_dma_buf)
return phba->lpfc_scsi_prep_dma_buf(phba, lpfc_cmd);
phba->lpfc_scsi_prep_dma_buf = lpfc_scsi_prep_dma_buf_s3;
phba->lpfc_scsi_prep_dma_buf = lpfc_scsi_prep_dma_buf_s4;
err = lpfc_scsi_prep_dma_buf(phba, lpfc_cmd);