scsi: elx: libefc: FC node ELS and state handling

Add library interface definitions for:

 - FC node PRLI handling and state management.

Link: https://lore.kernel.org/r/20210601235512.20104-15-jsmart2021@gmail.comReviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Daniel Wagner <dwagner@suse.de>
Co-developed-by: Ram Vegesna <ram.vegesna@broadcom.com>
Signed-off-by: Ram Vegesna <ram.vegesna@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/elx/libefc/efc_device.h

+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2021 Broadcom. All Rights Reserved. The term
+ * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.
+ */
+
+/*
+ * Node state machine functions for remote device node sm
+ */
+
+#ifndef __EFCT_DEVICE_H__
+#define __EFCT_DEVICE_H__
+void
+efc_node_init_device(struct efc_node *node, bool send_plogi);
+void
+efc_process_prli_payload(struct efc_node *node,
+			 void *prli);
+void
+efc_d_send_prli_rsp(struct efc_node *node, uint16_t ox_id);
+void
+efc_send_ls_acc_after_attach(struct efc_node *node,
+			     struct fc_frame_header *hdr,
+			     enum efc_node_send_ls_acc ls);
+void
+__efc_d_wait_loop(struct efc_sm_ctx *ctx,
+		  enum efc_sm_event evt, void *arg);
+void
+__efc_d_wait_plogi_acc_cmpl(struct efc_sm_ctx *ctx,
+			    enum efc_sm_event evt, void *arg);
+void
+__efc_d_init(struct efc_sm_ctx *ctx, enum efc_sm_event evt, void *arg);
+void
+__efc_d_wait_plogi_rsp(struct efc_sm_ctx *ctx,
+		       enum efc_sm_event evt, void *arg);
+void
+__efc_d_wait_plogi_rsp_recvd_prli(struct efc_sm_ctx *ctx,
+				  enum efc_sm_event evt, void *arg);
+void
+__efc_d_wait_domain_attach(struct efc_sm_ctx *ctx,
+			   enum efc_sm_event evt, void *arg);
+void
+__efc_d_wait_topology_notify(struct efc_sm_ctx *ctx,
+			     enum efc_sm_event evt, void *arg);
+void
+__efc_d_wait_node_attach(struct efc_sm_ctx *ctx,
+			 enum efc_sm_event evt, void *arg);
+void
+__efc_d_wait_attach_evt_shutdown(struct efc_sm_ctx *ctx,
+				 enum efc_sm_event evt, void *arg);
+void
+__efc_d_initiate_shutdown(struct efc_sm_ctx *ctx,
+			  enum efc_sm_event evt, void *arg);
+void
+__efc_d_port_logged_in(struct efc_sm_ctx *ctx,
+		       enum efc_sm_event evt, void *arg);
+void
+__efc_d_wait_logo_acc_cmpl(struct efc_sm_ctx *ctx,
+			   enum efc_sm_event evt, void *arg);
+void
+__efc_d_device_ready(struct efc_sm_ctx *ctx,
+		     enum efc_sm_event evt, void *arg);
+void
+__efc_d_device_gone(struct efc_sm_ctx *ctx,
+		    enum efc_sm_event evt, void *arg);
+void
+__efc_d_wait_adisc_rsp(struct efc_sm_ctx *ctx,
+		       enum efc_sm_event evt, void *arg);
+void
+__efc_d_wait_logo_rsp(struct efc_sm_ctx *ctx,
+		      enum efc_sm_event evt, void *arg);
+
+#endif /* __EFCT_DEVICE_H__ */