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  */
  30 struct bfad_rport_s;
  31
  32 struct bfa_fcs_itnim_s;
  33 struct bfa_fcs_tin_s;
  34 struct bfa_fcs_iprp_s;
  35
  36 /* Rport Features (RPF) */
  37 struct 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
  51 struct 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
  79 static inline struct bfa_rport_s *
  80 bfa_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  */
  88 bfa_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);
  91 bfa_status_t bfa_fcs_rport_remove(struct bfa_fcs_rport_s *rport);
  92 void bfa_fcs_rport_get_attr(struct bfa_fcs_rport_s *rport,
  93                         struct bfa_rport_attr_s *attr);
  94 void bfa_fcs_rport_get_stats(struct bfa_fcs_rport_s *rport,
  95                         struct bfa_rport_stats_s *stats);
  96 void bfa_fcs_rport_clear_stats(struct bfa_fcs_rport_s *rport);
  97 struct bfa_fcs_rport_s *bfa_fcs_rport_lookup(struct bfa_fcs_port_s *port,
  98                         wwn_t rpwwn);
  99 struct bfa_fcs_rport_s *bfa_fcs_rport_lookup_by_nwwn(
 100                         struct bfa_fcs_port_s *port, wwn_t rnwwn);
 101 void bfa_fcs_rport_set_del_timeout(u8 rport_tmo);
 102 void bfa_fcs_rport_set_speed(struct bfa_fcs_rport_s *rport,
 103                         enum bfa_pport_speed speed);
 104 #endif /* __BFA_FCS_RPORT_H__ */