/drivers/scsi/bfa/include/fcs/bfa_fcs_rport.h

  1/*
  2 * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
  3 * All rights reserved
  4 * www.brocade.com
  5 *
  6 * Linux driver for Brocade Fibre Channel Host Bus Adapter.
  7 *
  8 * This program is free software; you can redistribute it and/or modify it
  9 * under the terms of the GNU General Public License (GPL) Version 2 as
 10 * published by the Free Software Foundation
 11 *
 12 * This program is distributed in the hope that it will be useful, but
 13 * WITHOUT ANY WARRANTY; without even the implied warranty of
 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 15 * General Public License for more details.
 16 */
 17
 18#ifndef __BFA_FCS_RPORT_H__
 19#define __BFA_FCS_RPORT_H__
 20
 21#include <defs/bfa_defs_status.h>
 22#include <cs/bfa_q.h>
 23#include <fcs/bfa_fcs.h>
 24#include <defs/bfa_defs_rport.h>
 25
 26#define BFA_FCS_RPORT_DEF_DEL_TIMEOUT 	90 	/* in secs */
 27/*
 28 * forward declarations
 29 */
 30struct bfad_rport_s;
 31
 32struct bfa_fcs_itnim_s;
 33struct bfa_fcs_tin_s;
 34struct bfa_fcs_iprp_s;
 35
 36/* Rport Features (RPF) */
 37struct bfa_fcs_rpf_s {
 38	bfa_sm_t               sm;	/*  state machine */
 39	struct bfa_fcs_rport_s *rport;	/*  parent rport */
 40	struct bfa_timer_s 	timer;	/*  general purpose timer */
 41	struct bfa_fcxp_s 	*fcxp;	/*  FCXP needed for discarding */
 42	struct bfa_fcxp_wqe_s 	fcxp_wqe;	/*  fcxp wait queue element */
 43	int             	rpsc_retries;	/*  max RPSC retry attempts */
 44	enum bfa_pport_speed 	rpsc_speed;	/* Current Speed from RPSC.
 45						 * O if RPSC fails */
 46	enum bfa_pport_speed	assigned_speed;	/* Speed assigned by the user.
 47						 * will be used if RPSC is not
 48						 * supported by the rport */
 49};
 50
 51struct bfa_fcs_rport_s {
 52	struct list_head         qe;	/*  used by port/vport */
 53	struct bfa_fcs_port_s *port;	/*  parent FCS port */
 54	struct bfa_fcs_s      *fcs;	/*  fcs instance */
 55	struct bfad_rport_s   *rp_drv;	/*  driver peer instance */
 56	u32        pid;	/*  port ID of rport */
 57	u16        maxfrsize;	/*  maximum frame size */
 58	u16        reply_oxid;	/*  OX_ID of inbound requests */
 59	enum fc_cos        fc_cos;	/*  FC classes of service supp */
 60	bfa_boolean_t   cisc;	/*  CISC capable device */
 61	wwn_t           pwwn;	/*  port wwn of rport */
 62	wwn_t           nwwn;	/*  node wwn of rport */
 63	struct bfa_rport_symname_s psym_name; /*  port symbolic name  */
 64	bfa_sm_t        sm;		/*  state machine */
 65	struct bfa_timer_s timer;	/*  general purpose timer */
 66	struct bfa_fcs_itnim_s *itnim;	/*  ITN initiator mode role */
 67	struct bfa_fcs_tin_s *tin;	/*  ITN initiator mode role */
 68	struct bfa_fcs_iprp_s *iprp;	/*  IP/FC role */
 69	struct bfa_rport_s *bfa_rport;	/*  BFA Rport */
 70	struct bfa_fcxp_s *fcxp;	/*  FCXP needed for discarding */
 71	int             plogi_retries;	/*  max plogi retry attempts */
 72	int             ns_retries;	/*  max NS query retry attempts */
 73	struct bfa_fcxp_wqe_s 	fcxp_wqe; /*  fcxp wait queue element */
 74	struct bfa_rport_stats_s stats;	/*  rport stats */
 75	enum bfa_rport_function	scsi_function;  /*  Initiator/Target */
 76	struct bfa_fcs_rpf_s rpf; 	/* Rport features module */
 77};
 78
 79static inline struct bfa_rport_s *
 80bfa_fcs_rport_get_halrport(struct bfa_fcs_rport_s *rport)
 81{
 82	return rport->bfa_rport;
 83}
 84
 85/**
 86 * bfa fcs rport API functions
 87 */
 88bfa_status_t bfa_fcs_rport_add(struct bfa_fcs_port_s *port, wwn_t *pwwn,
 89			struct bfa_fcs_rport_s *rport,
 90			struct bfad_rport_s *rport_drv);
 91bfa_status_t bfa_fcs_rport_remove(struct bfa_fcs_rport_s *rport);
 92void bfa_fcs_rport_get_attr(struct bfa_fcs_rport_s *rport,
 93			struct bfa_rport_attr_s *attr);
 94void bfa_fcs_rport_get_stats(struct bfa_fcs_rport_s *rport,
 95			struct bfa_rport_stats_s *stats);
 96void bfa_fcs_rport_clear_stats(struct bfa_fcs_rport_s *rport);
 97struct bfa_fcs_rport_s *bfa_fcs_rport_lookup(struct bfa_fcs_port_s *port,
 98			wwn_t rpwwn);
 99struct bfa_fcs_rport_s *bfa_fcs_rport_lookup_by_nwwn(
100			struct bfa_fcs_port_s *port, wwn_t rnwwn);
101void bfa_fcs_rport_set_del_timeout(u8 rport_tmo);
102void bfa_fcs_rport_set_speed(struct bfa_fcs_rport_s *rport,
103			enum bfa_pport_speed speed);
104#endif /* __BFA_FCS_RPORT_H__ */