lpfc: Add support for RDP ELS command.

Signed-off-by: Dick Kennedy <dick.kennedy@avagotech.com>
Signed-off-by: James Smart <james.smart@avagotech.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
diff --git a/drivers/scsi/lpfc/lpfc_sli4.h b/drivers/scsi/lpfc/lpfc_sli4.h
index 2ce6cb5..d1a5b05 100644
--- a/drivers/scsi/lpfc/lpfc_sli4.h
+++ b/drivers/scsi/lpfc/lpfc_sli4.h
@@ -652,6 +652,16 @@
 	uint16_t rsrc_used;
 };
 
+struct lpfc_rdp_context {
+	struct lpfc_nodelist *ndlp;
+	uint16_t ox_id;
+	uint16_t rx_id;
+	READ_LNK_VAR link_stat;
+	uint8_t page_a0[DMP_SFF_PAGE_A0_SIZE];
+	uint8_t page_a2[DMP_SFF_PAGE_A2_SIZE];
+	void (*cmpl)(struct lpfc_hba *, struct lpfc_rdp_context*, int);
+};
+
 struct lpfc_lcb_context {
 	uint8_t  sub_command;
 	uint8_t  type;