release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/scsi/bfa/include/fcs/bfa_fcs_fabric.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_FABRIC_H__
  19 #define __BFA_FCS_FABRIC_H__
  20
  21 struct bfa_fcs_s;
  22
  23 #include <defs/bfa_defs_status.h>
  24 #include <defs/bfa_defs_vf.h>
  25 #include <cs/bfa_q.h>
  26 #include <cs/bfa_sm.h>
  27 #include <defs/bfa_defs_pport.h>
  28 #include <fcs/bfa_fcs_lport.h>
  29 #include <protocol/fc_sp.h>
  30 #include <fcs/bfa_fcs_auth.h>
  31
  32 /*
  33  * forward declaration
  34  */
  35 struct bfad_vf_s;
  36
  37 enum bfa_fcs_fabric_type {
  38         BFA_FCS_FABRIC_UNKNOWN = 0,
  39         BFA_FCS_FABRIC_SWITCHED = 1,
  40         BFA_FCS_FABRIC_PLOOP = 2,
  41         BFA_FCS_FABRIC_N2N = 3,
  42 };
  43
  44
  45 struct bfa_fcs_fabric_s {
  46         struct list_head   qe;          /*  queue element */
  47         bfa_sm_t         sm;            /*  state machine */
  48         struct bfa_fcs_s *fcs;          /*  FCS instance */
  49         struct bfa_fcs_port_s  bport;   /*  base logical port */
  50         enum bfa_fcs_fabric_type fab_type; /*  fabric type */
  51         enum bfa_pport_type oper_type;  /*  current link topology */
  52         u8         is_vf;               /*  is virtual fabric? */
  53         u8         is_npiv;     /*  is NPIV supported ? */
  54         u8         is_auth;     /*  is Security/Auth supported ? */
  55         u16        bb_credit;   /*  BB credit from fabric */
  56         u16        vf_id;               /*  virtual fabric ID */
  57         u16        num_vports;  /*  num vports */
  58         u16        rsvd;
  59         struct list_head         vport_q;       /*  queue of virtual ports */
  60         struct list_head         vf_q;  /*  queue of virtual fabrics */
  61         struct bfad_vf_s      *vf_drv;  /*  driver vf structure */
  62         struct bfa_timer_s link_timer;  /*  Link Failure timer. Vport */
  63         wwn_t           fabric_name;    /*  attached fabric name */
  64         bfa_boolean_t   auth_reqd;      /*  authentication required     */
  65         struct bfa_timer_s delay_timer; /*  delay timer         */
  66         union {
  67                 u16        swp_vfid;/*  switch port VF id               */
  68         } event_arg;
  69         struct bfa_fcs_auth_s  auth;    /*  authentication config       */
  70         struct bfa_wc_s        wc;      /*  wait counter for delete     */
  71         struct bfa_vf_stats_s  stats;   /*  fabric/vf stats             */
  72         struct bfa_lps_s        *lps;   /*  lport login services        */
  73         u8      fabric_ip_addr[BFA_FCS_FABRIC_IPADDR_SZ];  /*  attached
  74                                                             * fabric's ip addr
  75                                                             */
  76 };
  77
  78 #define bfa_fcs_fabric_npiv_capable(__f)    ((__f)->is_npiv)
  79 #define bfa_fcs_fabric_is_switched(__f)                 \
  80         ((__f)->fab_type == BFA_FCS_FABRIC_SWITCHED)
  81
  82 /**
  83  *   The design calls for a single implementation of base fabric and vf.
  84  */
  85 #define bfa_fcs_vf_t struct bfa_fcs_fabric_s
  86
  87 struct bfa_vf_event_s {
  88         u32        undefined;
  89 };
  90
  91 /**
  92  * bfa fcs vf public functions
  93  */
  94 bfa_status_t bfa_fcs_vf_mode_enable(struct bfa_fcs_s *fcs, u16 vf_id);
  95 bfa_status_t bfa_fcs_vf_mode_disable(struct bfa_fcs_s *fcs);
  96 bfa_status_t bfa_fcs_vf_create(bfa_fcs_vf_t *vf, struct bfa_fcs_s *fcs,
  97                                u16 vf_id, struct bfa_port_cfg_s *port_cfg,
  98                                struct bfad_vf_s *vf_drv);
  99 bfa_status_t bfa_fcs_vf_delete(bfa_fcs_vf_t *vf);
 100 void bfa_fcs_vf_start(bfa_fcs_vf_t *vf);
 101 bfa_status_t bfa_fcs_vf_stop(bfa_fcs_vf_t *vf);
 102 void bfa_fcs_vf_list(struct bfa_fcs_s *fcs, u16 *vf_ids, int *nvfs);
 103 void bfa_fcs_vf_list_all(struct bfa_fcs_s *fcs, u16 *vf_ids, int *nvfs);
 104 void bfa_fcs_vf_get_attr(bfa_fcs_vf_t *vf, struct bfa_vf_attr_s *vf_attr);
 105 void bfa_fcs_vf_get_stats(bfa_fcs_vf_t *vf,
 106                           struct bfa_vf_stats_s *vf_stats);
 107 void bfa_fcs_vf_clear_stats(bfa_fcs_vf_t *vf);
 108 void bfa_fcs_vf_get_ports(bfa_fcs_vf_t *vf, wwn_t vpwwn[], int *nports);
 109 bfa_fcs_vf_t *bfa_fcs_vf_lookup(struct bfa_fcs_s *fcs, u16 vf_id);
 110 struct bfad_vf_s *bfa_fcs_vf_get_drv_vf(bfa_fcs_vf_t *vf);
 111
 112 #endif /* __BFA_FCS_FABRIC_H__ */