/* SPDX-License-Identifier: GPL-2.0 *//* * Copyright (C) 2021 Broadcom. All Rights Reserved. The term * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. */ #if !defined(__EFC_NODE_H__)#define __EFC_NODE_H__#include "scsi/fc/fc_ns.h" #define EFC_NODEDB_PAUSE_FABRIC_LOGIN	(1 << 0)#define EFC_NODEDB_PAUSE_NAMESERVER	(1 << 1)#define EFC_NODEDB_PAUSE_NEW_NODES	(1 << 2) #define MAX_ACC_REJECT_PAYLOAD	sizeof(struct fc_els_ls_rjt) #define scsi_io_printf(io, fmt, ...) \	efc_log_debug(io->efc, "[%s] [%04x][i:%04x t:%04x h:%04x]" fmt, \	io->node->display_name, io->instance_index, io->init_task_tag, \	io->tgt_task_tag, io->hw_tag, ##__VA_ARGS__) static inline voidefc_node_evt_set(struct efc_sm_ctx *ctx, enum efc_sm_event evt,		 const char *handler){	struct efc_node *node = ctx->app; 	if (evt == EFC_EVT_ENTER) {		strscpy_pad(node->current_state_name, handler,			    sizeof(node->current_state_name));	} else if (evt == EFC_EVT_EXIT) {		memcpy(node->prev_state_name, node->current_state_name,		       sizeof(node->prev_state_name));		strscpy_pad(node->current_state_name, "invalid",			    sizeof(node->current_state_name));	}	node->prev_evt = node->current_evt;	node->current_evt = evt;} /** * hold frames in pending frame list * * Unsolicited receive frames are held on the node pending frame list, * rather than being processed. */ static inline voidefc_node_hold_frames(struct efc_node *node){	node->hold_frames = true;} /** * accept frames * * Unsolicited receive frames processed rather than being held on the node * pending frame list. */ static inline voidefc_node_accept_frames(struct efc_node *node){	node->hold_frames = false;} /* * Node initiator/target enable defines * All combinations of the SLI port (nport) initiator/target enable, * and remote node initiator/target enable are enumerated. * ex: EFC_NODE_ENABLE_T_TO_IT decodes to target mode is enabled on SLI port * and I+T is enabled on remote node. */enum efc_node_enable {	EFC_NODE_ENABLE_x_TO_x,	EFC_NODE_ENABLE_x_TO_T,	EFC_NODE_ENABLE_x_TO_I,	EFC_NODE_ENABLE_x_TO_IT,	EFC_NODE_ENABLE_T_TO_x,	EFC_NODE_ENABLE_T_TO_T,	EFC_NODE_ENABLE_T_TO_I,	EFC_NODE_ENABLE_T_TO_IT,	EFC_NODE_ENABLE_I_TO_x,	EFC_NODE_ENABLE_I_TO_T,	EFC_NODE_ENABLE_I_TO_I,	EFC_NODE_ENABLE_I_TO_IT,	EFC_NODE_ENABLE_IT_TO_x,	EFC_NODE_ENABLE_IT_TO_T,	EFC_NODE_ENABLE_IT_TO_I,	EFC_NODE_ENABLE_IT_TO_IT,}; static inline enum efc_node_enableefc_node_get_enable(struct efc_node *node){	u32 retval = 0; 	if (node->nport->enable_ini)		retval |= (1U << 3);	if (node->nport->enable_tgt)		retval |= (1U << 2);	if (node->init)		retval |= (1U << 1);	if (node->targ)		retval |= (1U << 0);	return (enum efc_node_enable)retval;} intefc_node_check_els_req(struct efc_sm_ctx *ctx,		       enum efc_sm_event evt, void *arg,		       u8 cmd, void (*efc_node_common_func)(const char *,		       struct efc_sm_ctx *, enum efc_sm_event, void *),		       const char *funcname);intefc_node_check_ns_req(struct efc_sm_ctx *ctx,		      enum efc_sm_event evt, void *arg,		      u16 cmd, void (*efc_node_common_func)(const char *,		      struct efc_sm_ctx *, enum efc_sm_event, void *),		      const char *funcname);intefc_node_attach(struct efc_node *node);struct efc_node *efc_node_alloc(struct efc_nport *nport, u32 port_id,	       bool init, bool targ);voidefc_node_free(struct efc_node *efc);voidefc_node_update_display_name(struct efc_node *node);void efc_node_post_event(struct efc_node *node, enum efc_sm_event evt,			 void *arg); void__efc_node_shutdown(struct efc_sm_ctx *ctx,		    enum efc_sm_event evt, void *arg);void__efc_node_wait_node_free(struct efc_sm_ctx *ctx,			  enum efc_sm_event evt, void *arg);void__efc_node_wait_els_shutdown(struct efc_sm_ctx *ctx,			     enum efc_sm_event evt, void *arg);void__efc_node_wait_ios_shutdown(struct efc_sm_ctx *ctx,			     enum efc_sm_event evt, void *arg);voidefc_node_save_sparms(struct efc_node *node, void *payload);voidefc_node_transition(struct efc_node *node,		    void (*state)(struct efc_sm_ctx *, enum efc_sm_event,				  void *), void *data);void__efc_node_common(const char *funcname, struct efc_sm_ctx *ctx,		  enum efc_sm_event evt, void *arg); voidefc_node_initiate_cleanup(struct efc_node *node); voidefc_node_build_eui_name(char *buf, u32 buf_len, uint64_t eui_name); voidefc_node_pause(struct efc_node *node,	       void (*state)(struct efc_sm_ctx *ctx,			     enum efc_sm_event evt, void *arg));void__efc_node_paused(struct efc_sm_ctx *ctx,		  enum efc_sm_event evt, void *arg);intefc_node_active_ios_empty(struct efc_node *node);voidefc_node_send_ls_io_cleanup(struct efc_node *node); intefc_els_io_list_empty(struct efc_node *node, struct list_head *list); voidefc_process_node_pending(struct efc_node *domain); u64 efc_node_get_wwnn(struct efc_node *node);struct efc_node *efc_node_find(struct efc_nport *nport, u32 id);voidefc_node_post_els_resp(struct efc_node *node, u32 evt, void *arg);voidefc_node_recv_els_frame(struct efc_node *node, struct efc_hw_sequence *s);voidefc_node_recv_ct_frame(struct efc_node *node, struct efc_hw_sequence *seq);voidefc_node_recv_fcp_cmd(struct efc_node *node, struct efc_hw_sequence *seq); #endif /* __EFC_NODE_H__ */