1/* SPDX-License-Identifier: GPL-2.0 */
  2/*
  3 * Copyright (C) 2021 Broadcom. All Rights Reserved. The term
  4 * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.
  5 */
  6
  7#ifndef __EFC_ELS_H__
  8#define __EFC_ELS_H__
  9
 10#define EFC_STATUS_INVALID	INT_MAX
 11#define EFC_ELS_IO_POOL_SZ	1024
 12
 13struct efc_els_io_req {
 14	struct list_head	list_entry;
 15	struct kref		ref;
 16	void			(*release)(struct kref *arg);
 17	struct efc_node		*node;
 18	void			*cb;
 19	u32			els_retries_remaining;
 20	bool			els_req_free;
 21	struct timer_list       delay_timer;
 22
 23	const char		*display_name;
 24
 25	struct efc_disc_io	io;
 26};
 27
 28typedef int(*efc_hw_srrs_cb_t)(void *arg, u32 length, int status,
 29			       u32 ext_status);
 30
 31void _efc_els_io_free(struct kref *arg);
 32struct efc_els_io_req *
 33efc_els_io_alloc(struct efc_node *node, u32 reqlen);
 34struct efc_els_io_req *
 35efc_els_io_alloc_size(struct efc_node *node, u32 reqlen, u32 rsplen);
 36void efc_els_io_free(struct efc_els_io_req *els);
 37
 38/* ELS command send */
 39typedef void (*els_cb_t)(struct efc_node *node,
 40			 struct efc_node_cb *cbdata, void *arg);
 41int
 42efc_send_plogi(struct efc_node *node);
 43int
 44efc_send_flogi(struct efc_node *node);
 45int
 46efc_send_fdisc(struct efc_node *node);
 47int
 48efc_send_prli(struct efc_node *node);
 49int
 50efc_send_prlo(struct efc_node *node);
 51int
 52efc_send_logo(struct efc_node *node);
 53int
 54efc_send_adisc(struct efc_node *node);
 55int
 56efc_send_pdisc(struct efc_node *node);
 57int
 58efc_send_scr(struct efc_node *node);
 59int
 60efc_ns_send_rftid(struct efc_node *node);
 61int
 62efc_ns_send_rffid(struct efc_node *node);
 63int
 64efc_ns_send_gidpt(struct efc_node *node);
 65void
 66efc_els_io_cleanup(struct efc_els_io_req *els, int evt, void *arg);
 67
 68/* ELS acc send */
 69int
 70efc_send_ls_acc(struct efc_node *node, u32 ox_id);
 71int
 72efc_send_ls_rjt(struct efc_node *node, u32 ox_id, u32 reason_cod,
 73		u32 reason_code_expl, u32 vendor_unique);
 74int
 75efc_send_flogi_p2p_acc(struct efc_node *node, u32 ox_id, u32 s_id);
 76int
 77efc_send_flogi_acc(struct efc_node *node, u32 ox_id, u32 is_fport);
 78int
 79efc_send_plogi_acc(struct efc_node *node, u32 ox_id);
 80int
 81efc_send_prli_acc(struct efc_node *node, u32 ox_id);
 82int
 83efc_send_logo_acc(struct efc_node *node, u32 ox_id);
 84int
 85efc_send_prlo_acc(struct efc_node *node, u32 ox_id);
 86int
 87efc_send_adisc_acc(struct efc_node *node, u32 ox_id);
 88
 89int
 90efc_bls_send_acc_hdr(struct efc *efc, struct efc_node *node,
 91		     struct fc_frame_header *hdr);
 92int
 93efc_bls_send_rjt_hdr(struct efc_els_io_req *io, struct fc_frame_header *hdr);
 94
 95int
 96efc_els_io_list_empty(struct efc_node *node, struct list_head *list);
 97
 98/* CT */
 99int
100efc_send_ct_rsp(struct efc *efc, struct efc_node *node, u16 ox_id,
101		struct fc_ct_hdr *ct_hdr, u32 cmd_rsp_code, u32 reason_code,
102		u32 reason_code_explanation);
103
104int
105efc_send_bls_acc(struct efc_node *node, struct fc_frame_header *hdr);
106
107#endif /* __EFC_ELS_H__ */